/* roulang page: index */
:root {
    --bg-deep: #0b1224;
    --bg-secondary: #101c30;
    --bg-card: rgba(255, 255, 255, 0.055);
    --bg-card-hover: rgba(255, 255, 255, 0.09);
    --glass-border: rgba(160, 200, 255, 0.14);
    --primary: #2f80ff;
    --primary-light: #35d0ff;
    --purple-light: #7b61ff;
    --gold: #f0b94a;
    --text-main: #eaf1fc;
    --text-secondary: #a7b8d4;
    --text-muted: #6b7f9e;
    --radius-card: 16px;
    --radius-large: 20px;
    --radius-btn: 10px;
    --radius-badge: 999px;
    --shadow-glow: 0 0 18px rgba(53, 208, 255, 0.28);
    --shadow-glow-blue: 0 0 22px rgba(47, 128, 255, 0.2);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-deep);
    background-image: radial-gradient(ellipse 60% 40% at 85% 0%, rgba(123, 97, 255, 0.08), transparent), radial-gradient(ellipse 50% 35% at 10% 25%, rgba(53, 208, 255, 0.055), transparent), linear-gradient(180deg, #0b1224 0%, #0d1b2f 60%, #0b1224 100%);
    color: var(--text-main);
    line-height: 1.7;
    font-size: 16px;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

a:hover {
    color: #7fdcff;
}

img {
    max-width: 100%;
    height: auto;
}

button,
input {
    font-family: inherit;
}

.grid-container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* ======= TOP BAR UTILITY ======= */
.top-utility-strip {
    background: rgba(8, 13, 28, 0.75);
    border-bottom: 1px solid rgba(140, 180, 255, 0.08);
    font-size: 13px;
    color: var(--text-muted);
    padding: 8px 0;
}

.top-utility-strip .grid-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 18px;
}

.top-utility-links span {
    color: var(--text-secondary);
}

.top-utility-links a {
    color: var(--text-muted);
    margin: 0 6px;
    font-size: 13px;
}

.top-utility-links a:hover {
    color: var(--primary-light);
}

.top-user-area i {
    font-size: 13px;
    margin-right: 4px;
}

.top-user-area .btn-text-login {
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 13px;
}

.top-user-area .btn-text-login:hover {
    color: var(--primary-light);
    background: rgba(255, 255, 255, 0.05);
}

/* ======= HEADER / NAV ======= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(11, 18, 36, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(150, 190, 255, 0.08);
    transition: box-shadow 0.3s ease;
}

.site-header.is-stuck {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.nav-main-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    gap: 20px;
    transition: height 0.3s ease;
}

.site-header.is-stuck .nav-main-row {
    height: 62px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.brand-badge-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, #2f80ff, #35d0ff);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 18px;
    box-shadow: 0 0 14px rgba(53, 208, 255, 0.45);
    flex-shrink: 0;
}

.brand-text {
    color: var(--text-main);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 0.02em;
    white-space: nowrap;
    background: linear-gradient(90deg, #fff, #b5d5ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media screen and (max-width: 639px) {
    .brand-text {
        font-size: 19px;
    }
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.btn-header-mobile-menu {
    display: none;
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 18px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.btn-header-mobile-menu:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Nav channel row */
.nav-channel-row {
    border-top: 1px solid rgba(150, 190, 255, 0.06);
    padding: 10px 0;
    background: rgba(13, 20, 40, 0.4);
}

.nav-channel-row .grid-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px 16px;
}

.channel-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 4px;
    flex-wrap: wrap;
}

.channel-menu li {}

.channel-menu a.nav-link {
    display: inline-block;
    padding: 7px 15px;
    border-radius: var(--radius-badge);
    color: var(--text-secondary);
    font-size: 14.5px;
    font-weight: 500;
    transition: all 0.25s ease;
    border: 1px solid transparent;
}

.channel-menu a.nav-link:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.07);
}

.channel-menu a.nav-link.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(47, 128, 255, 0.18), rgba(53, 208, 255, 0.14));
    border-color: rgba(83, 200, 255, 0.4);
    box-shadow: 0 0 10px rgba(53, 208, 255, 0.12);
    font-weight: 600;
}

.channel-search {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    flex: 1;
    justify-content: flex-end;
}

.search-form {
    display: flex;
    align-items: center;
    position: relative;
}

.search-input {
    width: 200px;
    height: 34px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(160, 200, 255, 0.14);
    border-radius: var(--radius-badge);
    padding: 0 36px 0 14px;
    color: var(--text-main);
    font-size: 13px;
    transition: width 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-input:focus {
    width: 250px;
    border-color: rgba(53, 208, 255, 0.5);
    box-shadow: 0 0 0 3px rgba(53, 208, 255, 0.08);
    outline: none;
    background: rgba(255, 255, 255, 0.1);
}

.search-submit-btn {
    position: absolute;
    right: 4px;
    width: 26px;
    height: 26px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-submit-btn:hover {
    color: var(--primary-light);
    background: rgba(255, 255, 255, 0.06);
}

.trend-tags {
    display: flex;
    align-items: center;
    gap: 6px;
}

.trend-tags .tag-label {
    font-size: 12px;
    color: var(--text-muted);
}

.trend-tags a {
    font-size: 12px;
    padding: 3px 9px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(160, 200, 255, 0.1);
    border-radius: var(--radius-badge);
    color: var(--text-secondary);
}

.trend-tags a:hover {
    color: var(--primary-light);
    border-color: rgba(53, 208, 255, 0.4);
}

.btn-member-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #2f80ff, #35d0ff);
    color: white;
    height: 36px;
    padding: 0 18px;
    border-radius: var(--radius-badge);
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 14px rgba(53, 208, 255, 0.25);
}

.btn-member-cta:hover {
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 0 22px rgba(53, 208, 255, 0.45);
}

/* Mobile drawer nav */
.mobile-drawer {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: rgba(10, 16, 32, 0.98);
    z-index: 100;
    padding: 28px 24px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    overflow-y: auto;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(18px);
}

.mobile-drawer.open {
    transform: translateX(0);
}

.mobile-drawer-close {
    display: flex;
    justify-content: flex-end;
}

.mobile-drawer-close button {
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
}

.mobile-drawer-close button:hover {
    background: rgba(255, 255, 255, 0.12);
}

.mobile-drawer ul.mobile-menu {
    list-style: none;
    margin: 26px 0;
}

.mobile-drawer ul.mobile-menu li {
    margin-bottom: 6px;
}

.mobile-drawer ul.mobile-menu a {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
    font-size: 16px;
}

.mobile-drawer ul.mobile-menu a:hover,
.mobile-drawer ul.mobile-menu a.active {
    color: var(--text-main);
    background: linear-gradient(90deg, rgba(47, 128, 255, 0.16), rgba(53, 208, 255, 0.1));
    border-left: 3px solid var(--primary-light);
}

.mobile-drawer .drawer-cta {
    margin-top: 20px;
}

.drawer-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 90;
}

.drawer-overlay.active {
    display: block;
}

/* ======= BUTTONS ======= */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, #1f6ded, #35d0ff);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    height: 46px;
    padding: 0 30px;
    border: none;
    border-radius: var(--radius-btn);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 16px rgba(53, 208, 255, 0.22);
    letter-spacing: 0.02em;
}

.btn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 0 28px rgba(53, 208, 255, 0.42);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    height: 44px;
    padding: 0 26px;
    border: 1px solid rgba(160, 200, 255, 0.3);
    border-radius: var(--radius-btn);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: rgba(53, 208, 255, 0.6);
    color: var(--primary-light);
    box-shadow: 0 0 12px rgba(53, 208, 255, 0.15);
}

.btn-mobile-cta-drawer {
    width: 100%;
    margin-top: 10px;
}

/* ======= HERO ======= */
.hero-section {
    position: relative;
    overflow: hidden;
    padding: 60px 0 84px;
    min-height: 640px;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    opacity: 0.35;
    z-index: 0;
}

.hero-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 55% 60% at 15% 30%, rgba(47, 128, 255, 0.18), transparent), radial-gradient(ellipse 35% 40% at 80% 75%, rgba(123, 97, 255, 0.15), transparent), linear-gradient(180deg, rgba(11, 18, 36, 0.3), rgba(11, 18, 36, 0.8) 85%, #0b1224);
    z-index: 0;
}

.hero-section .grid-container {
    position: relative;
    z-index: 2;
}

.hero-grid-wrapper {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 60px;
    align-items: center;
}

.hero-content-left {
    max-width: 620px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(53, 208, 255, 0.08);
    border: 1px solid rgba(53, 208, 255, 0.24);
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 500;
    padding: 5px 14px;
    border-radius: var(--radius-badge);
    margin-bottom: 24px;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.22;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
    color: #f1f7ff;
}

.hero-title .text-gradient {
    background: linear-gradient(120deg, #4d9bff, #35d0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 17px;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 530px;
}

.hero-badges-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin-bottom: 34px;
}

.hero-badge-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 14px;
    color: var(--text-secondary);
}

.hero-badge-item i {
    color: var(--primary-light);
    font-size: 14px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-media-right {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-media-main-card {
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid rgba(160, 200, 255, 0.16);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
}

.hero-media-main-card img {
    width: 100%;
    display: block;
    object-fit: cover;
    aspect-ratio: 4 / 3.2;
}

.floating-card-sm {
    position: absolute;
    background: rgba(15, 26, 50, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(160, 200, 255, 0.2);
    border-radius: 14px;
    padding: 14px 18px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 12px;
}

.floating-card-1 {
    top: 22px;
    left: -28px;
}

.floating-card-2 {
    bottom: 28px;
    right: -18px;
}

.floating-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(47, 128, 255, 0.25), rgba(53, 208, 255, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 17px;
}

.floating-card-sm .fc-title {
    font-size: 14px;
    color: var(--text-main);
    font-weight: 600;
    line-height: 1.3;
}

.floating-card-sm .fc-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ======= SECTIONS BASE ======= */
.section {
    padding: 92px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 740px;
    margin: 0 auto 56px;
}

.section-eyebrow {
    display: inline-block;
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.28;
    margin-bottom: 14px;
    color: #f2f8ff;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.section-title-light-bar::before {
    content: '';
    display: block;
    width: 44px;
    height: 4px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    margin: 0 auto 18px;
    box-shadow: 0 0 8px rgba(53, 208, 255, 0.5);
}

/* ======= COMPARE TABLE ======= */
.compare-section {
    background: linear-gradient(180deg, rgba(16, 28, 48, 0.3), rgba(16, 28, 48, 0.15));
    border-top: 1px solid rgba(160, 200, 255, 0.05);
    border-bottom: 1px solid rgba(160, 200, 255, 0.05);
}

.compare-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(160, 200, 255, 0.14);
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.compare-table-wrap {
    overflow-x: auto;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
    min-width: 760px;
}

.compare-table thead th {
    background: rgba(255, 255, 255, 0.055);
    color: var(--text-main);
    font-weight: 600;
    font-size: 15px;
    padding: 22px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(160, 200, 255, 0.11);
    white-space: nowrap;
}

.compare-table thead th .th-sub {
    display: block;
    font-size: 12px;
    font-weight: 400;
    color: var(--text-muted);
    margin-top: 4px;
}

.compare-table thead th.vip-highlight-col {
    background: rgba(53, 208, 255, 0.08);
    border-top: 2px solid var(--primary-light);
    border-left: 1px solid rgba(53, 208, 255, 0.2);
    border-right: 1px solid rgba(53, 208, 255, 0.2);
    position: relative;
}

.compare-table tbody td {
    padding: 14px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(160, 200, 255, 0.07);
    color: var(--text-secondary);
    font-size: 14.5px;
}

.compare-table tbody tr:last-child td {
    border-bottom: none;
}

.compare-table tbody td.item-name {
    text-align: left;
    color: var(--text-main);
    font-weight: 500;
    white-space: nowrap;
}

.compare-table tbody td.vip-feature-cell {
    background: rgba(53, 208, 255, 0.06);
    border-left: 1px solid rgba(53, 208, 255, 0.12);
    border-right: 1px solid rgba(53, 208, 255, 0.12);
    color: #daf2ff;
}

.compare-table .icon-check {
    color: var(--primary-light);
}

.compare-table .icon-times {
    color: #64748d;
}

.vip-badge-col {
    display: inline-block;
    background: linear-gradient(135deg, #35d0ff, #2f80ff, #7b61ff);
    color: white;
    font-size: 11px;
    padding: 2px 12px;
    border-radius: var(--radius-badge);
    font-weight: 600;
    margin-bottom: 4px;
    letter-spacing: 0.02em;
}

.compare-note {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 12px 18px;
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-top: 0;
    border: 1px solid rgba(160, 200, 255, 0.08);
}

/* ======= LEVELS TIMELINE ======= */
.levels-timeline {
    position: relative;
    padding: 20px 0;
}

.levels-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    transform: translateX(-50%);
    background: linear-gradient(180deg, rgba(47, 128, 255, 0.5), rgba(53, 208, 255, 0.25), rgba(123, 97, 255, 0.5));
}

.timeline-item {
    position: relative;
    width: 50%;
    padding-right: 55px;
    margin-bottom: 60px;
}

.timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 55px;
}

.timeline-node {
    position: absolute;
    top: 32px;
    right: -17px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #101c30;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--primary);
    color: white;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 0 0 4px rgba(47, 128, 255, 0.2);
}

.timeline-item:nth-child(even) .timeline-node {
    left: -18px;
    right: auto;
}

.timeline-item:nth-child(4) .timeline-node,
.timeline-item:nth-child(5) .timeline-node {
    border-color: var(--purple-light);
    background: linear-gradient(135deg, #1a2347, #2d2a5e);
    box-shadow: 0 0 0 4px rgba(123, 97, 255, 0.17);
}

.timeline-item:nth-child(5) .timeline-node {
    border-color: var(--gold);
    box-shadow: 0 0 0 4px rgba(240, 185, 74, 0.16);
    background: linear-gradient(135deg, #333c6d, #6e5b2e);
    color: #fff;
}

.level-card {
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(160, 200, 255, 0.13);
    border-radius: var(--radius-card);
    padding: 28px;
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.12);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.level-card:hover {
    border-color: rgba(53, 208, 255, 0.28);
    box-shadow: 0 0 18px rgba(53, 208, 255, 0.09);
}

.timeline-item:nth-child(4) .level-card,
.timeline-item:nth-child(5) .level-card {
    border-color: rgba(123, 97, 255, 0.18);
}

.level-diamond-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.07), rgba(240, 185, 74, 0.075));
    border-color: rgba(240, 185, 74, 0.22);
}

.level-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.level-name {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.level-name-icon {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.level-name-icon.blue-gradient {
    background: linear-gradient(135deg, #2f80ff15, #35d0ff18);
    color: var(--primary-light);
    border: 1px solid rgba(53, 208, 255, 0.28);
}

.level-name .level-moniker {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(90deg, #dbe9ff, #b0c8e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.level-tag-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.level-tag {
    font-size: 12px;
    background: rgba(53, 208, 255, 0.1);
    color: #9fdcf8;
    border: 1px solid rgba(53, 208, 255, 0.2);
    border-radius: var(--radius-badge);
    padding: 3px 10px;
}

.level-tag.gold-tag {
    background: rgba(240, 185, 74, 0.12);
    color: #ebc577;
    border-color: rgba(240, 185, 74, 0.24);
}

.level-tag.purple-tag {
    background: rgba(123, 97, 255, 0.13);
    color: #b3a5ff;
    border-color: rgba(123, 97, 255, 0.24);
}

.level-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.level-progress {
    margin-top: 4px;
}

.level-progress-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.progress-bar-track {
    height: 7px;
    background: rgba(255, 255, 255, 0.07);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 10px;
    background: linear-gradient(90deg, #2f80ff, #35d0ff);
    box-shadow: 0 0 10px rgba(53, 208, 255, 0.4);
    width: 20%;
}

/* ======= PREVIEW SECTION ======= */
.preview-section {
    background: rgba(13, 22, 42, 0.5);
    border-top: 1px solid rgba(160, 200, 255, 0.05);
    border-bottom: 1px solid rgba(160, 200, 255, 0.05);
    overflow: hidden;
}

.preview-grid-layout {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 50px;
    align-items: center;
}

.preview-intro-title {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 14px;
    line-height: 1.3;
}

.preview-intro-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.preview-card-list {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding: 10px 0 20px;
    scroll-snap-type: x mandatory;
}

.preview-card-item {
    position: relative;
    flex: 0 0 260px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-card);
    border: 1px solid rgba(160, 200, 255, 0.12);
    overflow: hidden;
    backdrop-filter: blur(8px);
    scroll-snap-align: start;
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.preview-card-item:hover {
    transform: translateY(-4px);
    border-color: rgba(53, 208, 255, 0.4);
}

.preview-card-media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.preview-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.vip-lock-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 4;
    background: rgba(10, 16, 32, 0.82);
    backdrop-filter: blur(6px);
    color: var(--gold);
    font-size: 11px;
    padding: 4px 12px;
    border-radius: var(--radius-badge);
    border: 1px solid rgba(240, 185, 74, 0.4);
    display: flex;
    align-items: center;
    gap: 5px;
}

.vip-lock-badge i {
    font-size: 11px;
}

.preview-card-content {
    padding: 16px 18px 18px;
}

.preview-card-content .card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.preview-card-content .card-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.btn-unlock {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 34px;
    padding: 0 16px;
    border-radius: var(--radius-badge);
    background: rgba(47, 128, 255, 0.12);
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 500;
    border: 1px solid rgba(47, 128, 255, 0.35);
    cursor: pointer;
    transition: all 0.25s ease;
}

.btn-unlock:hover {
    background: rgba(47, 128, 255, 0.22);
    box-shadow: 0 0 12px rgba(47, 128, 255, 0.2);
}

/* ======= FAQ ======= */
.faq-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

.faq-column-inner {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(160, 200, 255, 0.12);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.faq-item.open {
    border-color: rgba(53, 208, 255, 0.35);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    text-align: left;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--primary-light);
}

.faq-icon {
    flex-shrink: 0;
    font-size: 15px;
    color: var(--primary-light);
    transition: transform 0.35s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: rgba(53, 208, 255, 0.08);
    border: 1px solid rgba(53, 208, 255, 0.18);
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--text-secondary);
    font-size: 14.5px;
    line-height: 1.8;
    border-top: 1px solid rgba(160, 200, 255, 0.07);
    padding-top: 14px;
    margin: 0 24px 20px;
    padding-left: 0;
    padding-right: 0;
    padding-bottom: 0;
}

.faq-answer p {
    margin: 0;
}

.faq-contact-bar {
    text-align: center;
    margin-top: 42px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.035);
    border-radius: var(--radius-card);
    border: 1px solid rgba(160, 200, 255, 0.08);
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.faq-contact-bar span {
    color: var(--text-secondary);
    font-size: 15px;
}

.faq-contact-bar a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-light);
    font-weight: 500;
    font-size: 15px;
}

.faq-contact-bar a i {
    font-size: 14px;
}

/* ======= PLANS ======= */
.plans-section {
    position: relative;
    overflow: hidden;
}

.plans-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 45% 50% at 20% 50%, rgba(123, 97, 255, 0.1), transparent), radial-gradient(ellipse 50% 40% at 85% 40%, rgba(53, 208, 255, 0.09), transparent);
    z-index: 0;
}

.plans-section .grid-container {
    position: relative;
    z-index: 2;
}

.plans-grid {
    display: flex;
    gap: 24px;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
}

.plan-card {
    flex: 0 1 330px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(160, 200, 255, 0.14);
    border-radius: var(--radius-large);
    padding: 34px 30px;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.3s ease;
}

.plan-card:hover {
    transform: translateY(-4px);
}

.plan-card-recommended {
    flex-basis: 370px;
    border: 1px solid rgba(53, 208, 255, 0.45);
    box-shadow: 0 0 38px rgba(53, 208, 255, 0.12), 0 18px 45px rgba(0, 0, 0, 0.2);
    background: linear-gradient(180deg, rgba(53, 208, 255, 0.1), rgba(15, 27, 50, 0.7));
    padding-top: 48px;
}

.recommend-crown {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #35d0ff, #2f80ff, #7b61ff);
    color: #fff;
    font-size: 13px;
    padding: 5px 18px;
    font-weight: 600;
    border-radius: var(--radius-badge);
    white-space: nowrap;
    box-shadow: 0 0 18px rgba(53, 208, 255, 0.35);
}

.plan-type {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
}

.plan-sub {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 22px;
}

.plan-price-row {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 20px;
}

.plan-price-currency {
    font-size: 28px;
    color: var(--text-main);
    font-weight: 700;
}

.plan-price-number {
    font-size: 58px;
    font-weight: 800;
    line-height: 1;
    color: var(--text-main);
    background: linear-gradient(180deg, #e2eefe, #b5d9ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.plan-price-period {
    font-size: 14px;
    color: var(--text-secondary);
}

.plan-original-price {
    font-size: 15px;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-left: auto;
}

.plan-feature-list {
    list-style: none;
    margin: 0 0 26px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.plan-feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.plan-feature-list li i {
    color: var(--primary-light);
    font-size: 14px;
    margin-top: 5px;
    flex-shrink: 0;
}

.plan-feature-list li.dim-feature {
    color: var(--text-muted);
}

.plan-feature-list li.dim-feature i {
    color: #4d607d;
}

.plan-btn-block {
    margin-top: auto;
}

.plan-toggle-note {
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 26px;
    display: flex;
    justify-content: center;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.payment-safety-line {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed rgba(160, 200, 255, 0.1);
    border-radius: 12px;
    margin-top: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.payment-safety-line i {
    color: var(--primary-light);
}

/* ======= LATEST CMS ======= */
.latest-section {
    background: rgba(13, 22, 42, 0.3);
    border-top: 1px solid rgba(160, 200, 255, 0.05);
    border-bottom: 1px solid rgba(160, 200, 255, 0.05);
    padding-bottom: 92px;
}

.latest-flex-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.6fr;
    gap: 28px;
    align-items: start;
}

.latest-list-block {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.latest-item-card {
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(160, 200, 255, 0.1);
    border-radius: var(--radius-card);
    padding: 20px 22px;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    transition: background 0.25s, border-color 0.25s, transform 0.25s;
}

.latest-item-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(53, 208, 255, 0.25);
}

.latest-item-thumb {
    flex-shrink: 0;
    width: 86px;
    height: 86px;
    border-radius: 14px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
}

.latest-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.latest-item-thumb .no-img-icon {
    font-size: 26px;
    color: #526687;
}

.latest-item-content {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.latest-item-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s;
}

.latest-item-title:hover {
    color: var(--primary-light);
}

.latest-item-meta {
    display: flex;
    align-items: center;
    gap: 8px 14px;
    font-size: 12.5px;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.latest-item-meta i {
    font-size: 12px;
    margin-right: 3px;
}

.meta-chip {
    background: rgba(53, 208, 255, 0.1);
    color: var(--primary-light);
    border: 1px solid rgba(53, 208, 255, 0.14);
    border-radius: var(--radius-badge);
    padding: 2px 10px;
    font-size: 12px;
    display: inline-block;
}

.no-items-msg {
    background: rgba(255, 255, 255, 0.035);
    border-radius: var(--radius-card);
    border: 1px dashed rgba(160, 200, 255, 0.15);
    padding: 60px 30px;
    text-align: center;
    color: var(--text-muted);
    font-size: 16px;
}

.no-items-msg i {
    display: block;
    font-size: 44px;
    margin-bottom: 16px;
    color: #4d607d;
}

.latest-side-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.category-quick-card {
    background: rgba(255, 255, 255, 0.042);
    border: 1px solid rgba(160, 200, 255, 0.11);
    border-radius: var(--radius-card);
    padding: 24px 22px;
}

.category-quick-card .cq-title {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 18px;
}

.category-quick-card ul {
    list-style: none;
    margin: 0;
}

.category-quick-card ul li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(160, 200, 255, 0.06);
}

.category-quick-card ul li:last-child {
    border-bottom: none;
}

.category-quick-card ul li a {
    color: var(--text-secondary);
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.category-quick-card ul li a i {
    width: 20px;
    text-align: center;
    color: var(--primary-light);
    font-size: 14px;
}

.category-quick-card ul li a:hover {
    color: var(--primary-light);
}

/* ======= CTA strip ======= */
.cta-strip {
    padding: 70px 0;
    background: linear-gradient(120deg, rgba(26, 50, 110, 0.3), rgba(15, 30, 64, 0.5));
    border-top: 1px solid rgba(160, 200, 255, 0.1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-strip-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 14px;
    color: #f2f8ff;
}

.cta-strip-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 30px;
}

.cta-strip-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ======= FOOTER ======= */
.site-footer {
    background: rgba(6, 10, 22, 0.92);
    border-top: 1px solid rgba(160, 200, 255, 0.06);
    padding-top: 64px;
}

.footer-inner-grid {
    display: flex;
    gap: 50px;
    padding-bottom: 52px;
    flex-wrap: wrap;
}

.footer-brand-col {
    flex: 1 1 280px;
}

.footer-brand-col .brand-text {
    font-size: 24px;
}

.footer-brand-desc {
    margin: 18px 0;
    color: var(--text-muted);
    font-size: 14px;
    max-width: 300px;
    line-height: 1.8;
}

.footer-services-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.footer-services-row span {
    font-size: 12px;
    color: #557093;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(160, 200, 255, 0.06);
    padding: 3px 9px;
    border-radius: var(--radius-badge);
}

.footer-link-col {
    flex: 0 1 170px;
}

.footer-link-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #d5e3f5;
    margin-bottom: 16px;
}

.footer-link-col ul {
    list-style: none;
    margin: 0;
}

.footer-link-col ul li {
    padding: 5px 0;
}

.footer-link-col ul a {
    color: var(--text-muted);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-link-col ul a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(160, 200, 255, 0.07);
    padding: 22px 0;
    font-size: 13px;
    color: var(--text-muted);
}

.footer-bottom .grid-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 16px;
}

.footer-copyright i {
    margin-right: 4px;
    opacity: 0.7;
}

/* ======= RESPONSIVE ======= */
@media screen and (max-width: 1023px) {
    .section {
        padding: 70px 0;
    }
    .hero-grid-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-title {
        font-size: 38px;
    }
    .floating-card-1 {
        left: 10px;
    }
    .floating-card-2 {
        right: 10px;
    }
    .preview-grid-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .preview-card-list {
        padding-bottom: 8px;
    }
    .latest-flex-grid {
        grid-template-columns: 1fr;
    }
    .faq-wrapper {
        grid-template-columns: 1fr;
    }
    .timeline-item,
    .timeline-item:nth-child(even) {
        width: 100%;
        margin-left: 0;
        padding-left: 50px;
        padding-right: 0;
    }
    .timeline-item .timeline-node,
    .timeline-item:nth-child(even) .timeline-node {
        left: 2px;
        right: auto;
    }
    .levels-timeline::before {
        left: 19px;
        transform: none;
    }
    .channel-search {
        justify-content: flex-start;
        width: 100%;
        order: 3;
    }
    .nav-channel-row .grid-container {
        gap: 6px 12px;
    }
    .channel-menu a.nav-link {
        padding: 5px 12px;
        font-size: 14px;
    }
}

@media screen and (max-width: 639px) {
    .section {
        padding: 58px 0;
    }
    .section-title {
        font-size: 28px;
    }
    .hero-section {
        padding: 50px 0;
    }
    .hero-title {
        font-size: 30px;
    }
    .hero-subtitle {
        font-size: 15.5px;
    }
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        width: 100%;
    }
    .floating-card-1 {
        left: 0;
        top: 8px;
    }
    .floating-card-2 {
        right: 0;
        bottom: 10px;
    }
    .btn-header-mobile-menu {
        display: flex;
    }
    .site-header .nav-channel-row {
        display: none;
    }
    .nav-main-row {
        height: 66px;
    }
    .site-header.is-stuck .nav-main-row {
        height: 60px;
    }
    .section-header,
    .section-desc,
    .section-title {
        margin-left: auto;
        margin-right: auto;
    }
    .compare-table {
        min-width: 650px;
    }
    .top-utility-strip {
        display: none;
    }
    .latest-item-card {
        flex-direction: row;
    }
    .latest-item-thumb {
        width: 80px;
        height: 80px;
    }
    .plan-grid {
        flex-direction: column;
    }
    .plan-card,
    .plan-card-recommended {
        flex-basis: auto;
        width: 100%;
    }
    .faq-question {
        font-size: 15px;
        padding: 18px 18px;
    }
    .faq-answer-inner {
        font-size: 14px;
        margin: 0 18px 18px;
    }
    .footer-bottom .grid-container {
        justify-content: center;
        text-align: center;
    }
    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 36px;
    }
    .levels-timeline::before {
        left: 15px;
    }
    .timeline-item .timeline-node,
    .timeline-item:nth-child(even) .timeline-node {
        width: 30px;
        height: 30px;
        font-size: 12px;
        left: 1px;
    }
    .level-card {
        padding: 20px;
    }
}

@media screen and (max-width: 1023px) and (min-width: 640px) {
    .hero-media-right {
        margin-top: 20px;
    }
}

/* roulang page: article */
:root {
            --bg-deep: #060c1a;
            --bg-main: #0b1424;
            --bg-soft: #111d33;
            --panel: rgba(255, 255, 255, 0.05);
            --panel-strong: rgba(255, 255, 255, 0.09);
            --line: rgba(120, 160, 220, 0.18);
            --text-main: #edf3ff;
            --text-muted: #a5b8d9;
            --text-dim: #6e83a6;
            --blue: #2f80ff;
            --cyan: #35d0ff;
            --purple: #7b5cff;
            --gold: #dfc07a;
            --radius: 18px;
            --radius-lg: 22px;
            --radius-md: 12px;
            --shadow: 0 18px 42px rgba(2, 8, 25, 0.5);
            --glow: 0 0 22px rgba(53, 208, 255, 0.28);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --transition: all .25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-main);
            background-image:
                linear-gradient(rgba(6, 12, 24, 0.86), rgba(11, 20, 38, 0.94)),
                url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center top;
            background-repeat: no-repeat;
            background-attachment: fixed;
            color: var(--text-main);
            line-height: 1.8;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: inline-block;
            border-radius: var(--radius-md);
        }

        a {
            color: var(--cyan);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: #7adeff;
        }

        button,
        input {
            font-family: inherit;
            outline: none;
            border: none;
            background: none;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .grid-container {
            max-width: 1200px;
            padding: 0 32px;
        }

        ::selection {
            background: rgba(53, 208, 255, 0.35);
            color: #fff;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(9, 16, 31, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(140, 180, 240, 0.12);
            transition: var(--transition);
        }

        .site-header.is-scrolled {
            background: rgba(7, 13, 26, 0.92);
            box-shadow: 0 12px 32px rgba(2, 6, 18, 0.3);
        }

        .site-header.is-scrolled .header-top-row {
            opacity: 0;
            max-height: 0;
            overflow: hidden;
            padding-top: 0;
            padding-bottom: 0;
            border-bottom: 0;
        }

        .header-top-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding-top: 14px;
            padding-bottom: 14px;
            transition: var(--transition);
        }

        .brand-main-link {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-logo-box {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--blue), var(--cyan));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            box-shadow: 0 0 18px rgba(53, 208, 255, 0.35);
            transition: var(--transition);
        }

        .brand-main-link:hover .brand-logo-box {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(53, 208, 255, 0.5);
        }

        .brand-main-text {
            font-size: 21px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .header-user-tools {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-login-link:hover {
            color: var(--cyan);
            border-color: rgba(53, 208, 255, 0.45);
            box-shadow: 0 0 14px rgba(53, 208, 255, 0.12);
        }

        .btn-membership {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: linear-gradient(135deg, #1b68e5, #35d0ff);
            color: #05101f;
            padding: 8px 20px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 14px;
            line-height: 1.4;
            cursor: pointer;
            box-shadow: 0 0 16px rgba(53, 208, 255, 0.22);
            transition: var(--transition);
            border: 1px solid rgba(53, 208, 255, 0.5);
            white-space: nowrap;
        }

        .btn-membership:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(53, 208, 255, 0.42);
            color: #03101d;
        }

        .mobile-nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid var(--line);
            background: rgba(255, 255, 255, 0.05);
            cursor: pointer;
            gap: 5px;
        }

        .mobile-nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-main);
            border-radius: 4px;
            transition: var(--transition);
        }

        .header-nav-row {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .header-nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding-top: 12px;
            padding-bottom: 12px;
            min-height: 58px;
        }

        .channel-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .channel-menu .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 999px;
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            transition: var(--transition);
        }

        .channel-menu .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.07);
        }

        .channel-menu .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(47, 128, 255, 0.26), rgba(53, 208, 255, 0.16));
            border: 1px solid rgba(53, 208, 255, 0.35);
            box-shadow: inset 0 0 18px rgba(53, 208, 255, 0.08), 0 0 10px rgba(53, 208, 255, 0.12);
        }

        .header-search-mod {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search-form {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--line);
            border-radius: 999px;
            height: 40px;
            width: 180px;
            padding-left: 16px;
            transition: var(--transition);
            overflow: hidden;
        }

        .nav-search-form:focus-within {
            width: 240px;
            border-color: rgba(53, 208, 255, 0.5);
            box-shadow: 0 0 16px rgba(53, 208, 255, 0.14);
        }

        .nav-search-form input {
            flex: 1;
            min-width: 0;
            background: transparent;
            color: var(--text-main);
            font-size: 14px;
            height: 100%;
        }

        .nav-search-form input::placeholder {
            color: var(--text-dim);
        }

        .nav-search-form button {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            cursor: pointer;
            font-size: 14px;
        }

        .nav-hot-labels {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hot-label a {
            display: inline-flex;
            padding: 5px 12px;
            font-size: 12px;
            border-radius: 999px;
            color: var(--text-muted);
            background: rgba(140, 170, 215, 0.08);
            border: 1px solid rgba(120, 160, 220, 0.12);
            transition: var(--transition);
        }

        .hot-label a:hover {
            color: #fff;
            border-color: rgba(53, 208, 255, 0.35);
            background: rgba(53, 208, 255, 0.08);
        }

        .article-main {
            position: relative;
            padding: 54px 0 70px;
            overflow: hidden;
        }

        .article-main::before {
            content: "";
            position: absolute;
            top: 0;
            left: 10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(47, 128, 255, 0.22), transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .article-main::after {
            content: "";
            position: absolute;
            bottom: 0;
            right: 6%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(123, 92, 255, 0.16), transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .article-wrap {
            position: relative;
            z-index: 1;
        }

        .article-crumbs {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-dim);
            margin-bottom: 28px;
        }

        .article-crumbs a {
            color: var(--text-muted);
            transition: var(--transition);
        }

        .article-crumbs a:hover {
            color: var(--cyan);
        }

        .crumb-sep {
            display: inline-flex;
            color: rgba(140, 170, 210, 0.4);
            font-size: 13px;
        }

        .article-head-block {
            background: linear-gradient(162deg, rgba(17, 29, 51, 0.92) 0%, rgba(9, 17, 34, 0.92) 100%);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 46px 46px 36px;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow);
        }

        .article-head-block::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(53, 208, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(53, 208, 255, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }

        .article-head-block::after {
            content: "";
            position: absolute;
            top: -100px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            opacity: 0.16;
            border-radius: 50%;
            pointer-events: none;
            filter: blur(2px);
        }

        .article-category-line {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
            margin-bottom: 20px;
        }

        .article-cate-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(53, 208, 255, 0.12);
            border: 1px solid rgba(53, 208, 255, 0.32);
            color: var(--cyan);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .quality-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--line);
            color: var(--text-muted);
            font-size: 13px;
        }

        .article-title {
            font-size: 34px;
            line-height: 1.42;
            font-weight: 700;
            color: #f3f7ff;
            max-width: 900px;
            position: relative;
            z-index: 1;
            margin: 0 0 26px;
            letter-spacing: 0.01em;
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 18px;
            position: relative;
            z-index: 1;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-dim);
            font-size: 14px;
        }

        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .article-meta-item i {
            color: var(--cyan);
            font-size: 14px;
            opacity: 0.8;
        }

        .article-content {
            margin-top: 28px;
            background: rgba(12, 20, 38, 0.56);
            border: 1px solid rgba(120, 160, 220, 0.1);
            border-radius: var(--radius-lg);
            padding: 44px 48px 24px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            font-size: 16.5px;
            line-height: 2.08;
            color: #dbe7fb;
            position: relative;
            overflow: hidden;
        }

        .article-content::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--blue), var(--cyan), transparent);
            opacity: 0.7;
        }

        .article-content p {
            margin-bottom: 24px;
        }

        .article-content h2,
        .article-content h3,
        .article-content h4 {
            margin: 40px 0 18px;
            font-weight: 700;
            color: #eef5ff;
            line-height: 1.5;
        }

        .article-content h2 {
            font-size: 26px;
            padding-left: 16px;
            border-left: 4px solid var(--cyan);
            border-radius: 0 8px 8px 0;
            background: linear-gradient(90deg, rgba(53, 208, 255, 0.08), transparent);
        }

        .article-content h3 {
            font-size: 21px;
            color: #c7dcff;
        }

        .article-content h4 {
            font-size: 18px;
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 24px;
            padding-left: 4px;
        }

        .article-content ul li,
        .article-content ol li {
            position: relative;
            padding-left: 26px;
            margin-bottom: 10px;
        }

        .article-content ul li::before {
            content: "";
            position: absolute;
            left: 2px;
            top: 13px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--blue), var(--cyan));
            box-shadow: 0 0 10px rgba(53, 208, 255, 0.5);
        }

        .article-content ol {
            counter-reset: cmsoc;
        }

        .article-content ol li {
            counter-increment: cmsoc;
        }

        .article-content ol li::before {
            content: counter(cmsoc);
            position: absolute;
            left: 0;
            top: 3px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(53, 208, 255, 0.14);
            border: 1px solid rgba(53, 208, 255, 0.5);
            color: var(--cyan);
            font-size: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .article-content blockquote {
            border-left: 4px solid var(--purple);
            background: rgba(123, 92, 255, 0.08);
            padding: 18px 24px;
            margin-bottom: 26px;
            border-radius: 0 16px 16px 0;
            color: var(--text-muted);
        }

        .article-content img {
            margin: 24px 0;
            border-radius: var(--radius-md);
            box-shadow: 0 12px 34px rgba(2, 6, 20, 0.35);
        }

        .article-content table {
            width: 100%;
            margin: 24px 0 32px;
            border-collapse: collapse;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-md);
            overflow: hidden;
            font-size: 15px;
        }

        .article-content th,
        .article-content td {
            padding: 13px 16px;
            border: 1px solid rgba(120, 160, 220, 0.12);
            text-align: left;
        }

        .article-content th {
            background: rgba(53, 208, 255, 0.1);
            color: var(--cyan);
            font-weight: 600;
        }

        .article-content code {
            background: rgba(53, 208, 255, 0.08);
            border: 1px solid rgba(53, 208, 255, 0.16);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 15px;
            color: #bcecff;
        }

        .article-content a {
            color: var(--cyan);
            border-bottom: 1px solid rgba(53, 208, 255, 0.3);
        }

        .article-content a:hover {
            border-bottom-color: #88e3ff;
            text-shadow: 0 0 12px rgba(53, 208, 255, 0.18);
        }

        .article-bottom-line {
            display: flex;
            align-items: stretch;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin: 0 28px;
            padding: 26px 0 8px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }

        .tag-list {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-caption {
            font-size: 13px;
            color: var(--text-dim);
            margin-right: 4px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--line);
            color: var(--text-muted);
            font-size: 13px;
            transition: var(--transition);
        }

        .tag-chip:hover {
            color: var(--cyan);
            border-color: rgba(53, 208, 255, 0.4);
        }

        .share-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--line);
            color: var(--text-muted);
            cursor: pointer;
            font-size: 15px;
            transition: var(--transition);
        }

        .share-btn:hover {
            color: var(--cyan);
            border-color: rgba(53, 208, 255, 0.45);
            transform: translateY(-2px);
            box-shadow: 0 0 14px rgba(53, 208, 255, 0.16);
        }

        .share-btn.copy-ready {
            color: #7ef0c0;
            border-color: rgba(0, 220, 160, 0.5);
        }

        .prevnext-wrapper {
            margin: 30px 28px 0;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            display: flex;
            gap: 18px;
        }

        .prevnext-link {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid transparent;
            transition: var(--transition);
            color: var(--text-main);
        }

        .prevnext-link:hover {
            border-color: rgba(53, 208, 255, 0.28);
            background: rgba(53, 208, 255, 0.04);
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(53, 208, 255, 0.12);
            color: var(--text-main);
        }

        .prevnext-link span {
            display: flex;
            flex-direction: column;
            gap: 4px;
            font-size: 14px;
        }

        .prevnext-link b {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-dim);
        }

        .prevnext-link em {
            font-style: normal;
            font-weight: 600;
            color: var(--text-main);
            max-width: 220px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .prevnext-link i {
            color: var(--cyan);
            flex-shrink: 0;
        }

        .not-found-panel {
            background: rgba(12, 20, 38, 0.72);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 90px 42px;
            text-align: center;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow);
            max-width: 780px;
            margin: 20px auto 0;
            position: relative;
            overflow: hidden;
        }

        .not-found-panel::before {
            content: "";
            position: absolute;
            top: 40%;
            left: 50%;
            width: 400px;
            height: 400px;
            transform: translate(-50%, -50%);
            background: radial-gradient(circle, rgba(53, 208, 255, 0.14), transparent 70%);
        }

        .nf-icon {
            font-size: 42px;
            color: var(--cyan);
            margin-bottom: 16px;
            display: block;
            opacity: 0.6;
        }

        .nf-title {
            font-size: 32px;
            font-weight: 800;
            color: #eef3ff;
        }

        .nf-desc {
            color: var(--text-muted);
            font-size: 16px;
            margin: 10px 0 30px;
        }

        .nf-back-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--blue), var(--cyan));
            color: #031327;
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition);
            box-shadow: 0 0 22px rgba(53, 208, 255, 0.35);
        }

        .nf-back-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 34px rgba(53, 208, 255, 0.5);
            color: #031327;
        }

        .related-section {
            padding: 70px 0 90px;
            background: rgba(7, 13, 28, 0.52);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }

        .related-section::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 360px;
            height: 360px;
            background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            opacity: 0.05;
            pointer-events: none;
        }

        .section-heading {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 30px;
        }

        .section-caption {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-caption i {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(47, 128, 255, 0.24), rgba(53, 208, 255, 0.18));
            border: 1px solid rgba(53, 208, 255, 0.3);
            color: var(--cyan);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
        }

        .section-caption h2 {
            font-size: 26px;
            color: #e9f1ff;
            font-weight: 700;
        }

        .related-index-link {
            color: var(--cyan);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .related-index-link i {
            font-size: 13px;
            transition: transform .2s ease;
        }

        .related-index-link:hover i {
            transform: translateX(4px);
        }

        .related-card-grid {
            margin: -12px;
            position: relative;
            z-index: 1;
        }

        .related-cell {
            padding: 12px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            color: var(--text-main);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(53, 208, 255, 0.35);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.25), 0 0 14px rgba(53, 208, 255, 0.12);
            color: var(--text-main);
        }

        .related-card-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            border-radius: 0;
            position: relative;
            display: block;
        }

        .related-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform .45s ease;
        }

        .related-card:hover .related-card-cover img {
            transform: scale(1.05);
        }

        .related-card-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(7, 14, 28, 0.85));
        }

        .related-card-body {
            padding: 20px 18px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-card-title {
            color: #e7efff;
            font-size: 17px;
            font-weight: 600;
            line-height: 1.6;
            margin-bottom: 9px;
        }

        .related-card-desc {
            color: var(--text-dim);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-more {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--cyan);
            font-size: 14px;
            font-weight: 500;
        }

        .related-card-more i {
            font-size: 12px;
            transition: transform .2s ease;
        }

        .related-card:hover .related-card-more i {
            transform: translateX(4px);
        }

        .site-footer {
            background: #050a16;
            border-top: 1px solid rgba(140, 180, 240, 0.1);
            padding-top: 56px;
        }

        .footer-inner-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 44px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-badge-icon {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--blue), var(--cyan));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            box-shadow: 0 0 16px rgba(53, 208, 255, 0.34);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: #edf4ff;
        }

        .footer-brand-desc {
            color: var(--text-dim);
            font-size: 14px;
            line-height: 1.9;
            margin: 16px 0;
            max-width: 340px;
        }

        .footer-services-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-services-row span {
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--line);
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 999px;
        }

        .footer-link-col h4 {
            color: #d4e0f5;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-link-col h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, var(--blue), var(--cyan));
            border-radius: 4px;
        }

        .footer-link-col li {
            margin-bottom: 10px;
        }

        .footer-link-col a {
            color: var(--text-muted);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-link-col a i {
            font-size: 10px;
            opacity: 0.8;
        }

        .footer-link-col a:hover {
            color: var(--cyan);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(140, 180, 240, 0.1);
            padding: 26px 0;
            color: var(--text-dim);
            font-size: 13px;
            display: flex;
        }

        .footer-bottom .grid-container {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        @media (max-width: 1023px) and (min-width: 768px) {
            .header-nav-inner {
                flex-direction: column;
                align-items: flex-start;
                padding-top: 8px;
                padding-bottom: 14px;
                gap: 10px;
            }
            .channel-menu {
                width: 100%;
            }
            .header-search-mod {
                width: 100%;
                flex-wrap: wrap;
            }
            .nav-search-form {
                flex: 1;
                min-width: 220px;
                width: auto;
            }
            .article-content {
                padding: 34px 32px 16px;
            }
            .article-head-block {
                padding: 40px 34px 32px;
            }
            .article-title {
                font-size: 30px;
            }
            .article-bottom-line,
            .prevnext-wrapper {
                margin-left: 22px;
                margin-right: 22px;
            }
        }

        @media (max-width: 767px) {
            .grid-container {
                padding: 0 18px;
            }
            .header-top-inner {
                padding-top: 10px;
                padding-bottom: 10px;
            }
            .brand-main-text {
                font-size: 18px;
            }
            .brand-logo-box {
                width: 34px;
                height: 34px;
                font-size: 18px;
            }
            .site-header.is-scrolled .header-top-row {
                max-height: none;
                opacity: 1;
                padding-top: 10px;
                padding-bottom: 10px;
            }
            .header-user-tools .btn-login-link,
            .header-user-tools .btn-membership {
                display: none;
            }
            .mobile-nav-toggle {
                display: inline-flex;
            }
            .header-nav-row {
                display: none;
                background: rgba(7, 13, 28, 0.98);
                border-top: 1px solid rgba(120, 160, 220, 0.14);
                max-height: calc(100vh - 80px);
                overflow-y: auto;
            }
            .header-nav-row.is-open {
                display: block;
            }
            .header-nav-inner {
                flex-direction: column;
                align-items: stretch;
                gap: 18px;
                padding: 18px 0 22px;
            }
            .channel-menu {
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
            }
            .channel-menu .nav-link {
                width: 100%;
                justify-content: flex-start;
                border-radius: 12px;
                padding: 12px 14px;
                font-size: 15px;
            }
            .header-search-mod {
                flex-direction: column;
                width: 100%;
            }
            .nav-search-form {
                width: 100%;
                max-width: none;
            }
            .nav-search-form:focus-within {
                width: 100%;
            }
            .nav-hot-labels {
                justify-content: flex-start;
            }
            .article-main {
                padding: 28px 0 50px;
            }
            .article-crumbs {
                margin-bottom: 18px;
                gap: 8px;
                font-size: 13px;
            }
            .article-head-block {
                padding: 26px 20px 24px;
                border-radius: 16px;
            }
            .article-category-line,
            .article-meta-row {
                gap: 8px;
            }
            .article-meta-row {
                row-gap: 10px;
            }
            .article-title {
                font-size: 24px;
                line-height: 1.5;
                margin-bottom: 20px;
            }
            .article-cate-pill,
            .quality-badge {
                font-size: 12px;
                padding: 5px 10px;
            }
            .article-content {
                padding: 26px 20px 10px;
                margin-top: 18px;
                border-radius: 16px;
                font-size: 15.5px;
            }
            .article-content h2 {
                font-size: 22px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .article-content h4 {
                font-size: 16px;
            }
            .article-bottom-line {
                margin: 0 18px;
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }
            .share-area {
                width: 100%;
                justify-content: flex-start;
            }
            .share-btn {
                width: 40px;
                height: 40px;
            }
            .prevnext-wrapper {
                margin: 20px 18px 0;
                flex-direction: column;
                gap: 10px;
            }
            .prevnext-link {
                width: 100%;
                justify-content: space-between;
            }
            .prevnext-link em {
                max-width: 180px;
            }
            .related-section {
                padding: 52px 0 60px;
            }
            .section-caption h2 {
                font-size: 22px;
            }
            .not-found-panel {
                padding: 50px 22px;
                margin: 10px auto 0;
            }
            .nf-title {
                font-size: 25px;
            }
            .footer-inner-grid {
                grid-template-columns: 1fr;
                gap: 38px;
                padding-bottom: 30px;
            }
            .footer-brand-desc {
                max-width: 100%;
            }
            .footer-bottom .grid-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 420px) {
            .brand-main-text {
                font-size: 17px;
            }
            .article-title {
                font-size: 22px;
            }
            .article-meta-row {
                gap: 8px 14px;
            }
            .related-card-title {
                font-size: 15px;
            }
            .related-card-desc {
                font-size: 13px;
            }
        }

/* roulang page: category1 */
:root{
    --bg:#0a1020;
    --bg-soft:#0d1830;
    --bg-card:#111d36;
    --surface:rgba(255,255,255,.045);
    --surface-strong:rgba(255,255,255,.08);
    --border:rgba(255,255,255,.08);
    --border-light:rgba(255,255,255,.14);
    --primary:#2f80ff;
    --accent:#35d0ff;
    --violet:#7b61ff;
    --gold:#e8c37a;
    --text:#eaf1fc;
    --muted:#a7b8d4;
    --faint:#7083a5;
    --success:#28d199;
    --danger:#ff6b7a;
    --radius:18px;
    --radius-sm:12px;
    --radius-pill:999px;
    --shadow-md:0 16px 40px rgba(2,8,20,.45);
    --glow-primary:0 0 24px rgba(47,128,255,.28);
    --glow-accent:0 0 18px rgba(53,208,255,.24);
    --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    padding:0;
    background:var(--bg);
    color:var(--text);
    font-family:var(--font);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:-1;
    background:
        radial-gradient(circle at 18% 10%, rgba(29,78,216,.14), transparent 32%),
        radial-gradient(circle at 86% 26%, rgba(123,97,255,.10), transparent 30%),
        radial-gradient(circle at 60% 72%, rgba(13,104,223,.09), transparent 34%),
        linear-gradient(180deg, #081020 0%, #0b1224 48%, #0a0f1e 100%);
}
body::after{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:-0;
    background-image:
        linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
    background-size:56px 56px;
    mask-image:radial-gradient(circle at 60% 20%, #000 10%, transparent 75%);
}
a{
    color:var(--accent);
    text-decoration:none;
    transition:color .25s ease, border-color .25s ease, opacity .25s ease;
}
a:hover{color:#fff;opacity:.95}
img{max-width:100%;height:auto;border:0}
button,input,textarea{font-family:var(--font)}
ul,ol,li{margin:0;padding:0;list-style:none}
p{margin:0}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px}
.section{padding:88px 0;position:relative}
.section-alt{background:linear-gradient(180deg, rgba(13,24,48,.72), rgba(8,15,30,.7));border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}

/* ========== 共用 Header ========== */
.site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(8,13,26,.78);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(255,255,255,.07);
    box-shadow:0 10px 30px rgba(0,5,16,.18);
}
.header-top{
    border-bottom:1px solid rgba(255,255,255,.06);
    padding:12px 0;
}
.header-top .grid-container{
    display:flex;
    align-items:center;
    gap:14px;
}
.brand-logo{
    display:inline-flex;
    align-items:center;
    gap:12px;
    min-width:0;
}
.brand-badge-icon{
    width:38px;
    height:38px;
    flex:0 0 38px;
    border-radius:12px;
    background:linear-gradient(140deg, #2f80ff, #35d0ff 65%, #7b61ff);
    color:#fff;
    font-weight:800;
    font-size:19px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    box-shadow:0 0 18px rgba(53,208,255,.3);
}
.brand-text{
    font-size:20px;
    font-weight:800;
    letter-spacing:.02em;
    color:#f4f8ff;
    white-space:nowrap;
}
.header-quick{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:12px;
}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    font-weight:700;
    font-size:14px;
    line-height:1;
    padding:10px 20px;
    border-radius:10px;
    border:1px solid transparent;
    transition:all .25s ease;
    cursor:pointer;
    text-align:center;
    min-height:40px;
}
.btn-primary{
    background:linear-gradient(120deg,#2f80ff,#35d0ff);
    color:#fff;
    box-shadow:0 0 16px rgba(53,208,255,.25);
    border:0;
}
.btn-primary:hover{background:linear-gradient(120deg,#3b89ff,#4bdbff);color:#fff;transform:translateY(-1px);box-shadow:0 0 24px rgba(53,208,255,.4)}
.btn-outline{
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.16);
    color:var(--text);
    backdrop-filter:blur(6px);
}
.btn-outline:hover{border-color:var(--accent);color:#fff;background:rgba(255,255,255,.09)}
.btn-large{padding:16px 30px;font-size:16px;border-radius:12px}
.menu-trigger{
    display:none;
    width:44px;
    height:44px;
    border-radius:12px;
    background:var(--surface-strong);
    border:1px solid rgba(255,255,255,.10);
    color:var(--text);
    font-size:21px;
    cursor:pointer;
    align-items:center;
    justify-content:center;
}
.menu-trigger:hover{background:rgba(255,255,255,.13);color:var(--accent)}
.header-main{
    padding:12px 0;
}
.header-main .grid-container{
    display:flex;
    align-items:center;
    gap:24px;
}
.channel-nav{
    flex:1 1 auto;
    min-width:0;
}
.channel-menu{
    display:flex;
    align-items:center;
    gap:8px;
    flex-wrap:wrap;
}
.channel-menu a{
    display:inline-flex;
    align-items:center;
    padding:8px 16px;
    border-radius:999px;
    font-weight:600;
    font-size:15px;
    color:var(--muted);
    border:1px solid transparent;
    transition:all .25s ease;
}
.channel-menu a:hover{
    color:#fff;
    background:rgba(255,255,255,.07);
    border-color:rgba(255,255,255,.08);
}
.channel-menu a.active{
    color:#fff;
    background:rgba(53,208,255,.12);
    border-color:rgba(53,208,255,.32);
    box-shadow:inset 0 0 0 1px rgba(53,208,255,.10);
}
.header-tools{
    display:flex;
    align-items:center;
    gap:14px;
    margin-left:auto;
}
.nav-search{
    display:flex;
    align-items:center;
    background:rgba(255,255,255,.055);
    border:1px solid rgba(255,255,255,.08);
    border-radius:999px;
    padding:3px 4px 3px 16px;
    width:230px;
    transition:all .3s ease;
}
.nav-search:focus-within{
    width:280px;
    border-color:rgba(53,208,255,.5);
    box-shadow:0 0 0 3px rgba(53,208,255,.12);
}
.nav-search i{color:var(--faint);font-size:13px}
.nav-search input{
    border:0;
    background:transparent;
    color:var(--text);
    font-size:14px;
    width:100%;
    padding:0 8px;
    outline:none;
}
.nav-search button{
    border:0;
    background:linear-gradient(120deg,var(--primary),var(--accent));
    color:#fff;
    width:32px;
    height:32px;
    border-radius:999px;
    cursor:pointer;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:13px;
    flex:0 0 32px;
    transition:box-shadow .2s;
}
.nav-search button:hover{box-shadow:0 0 14px rgba(53,208,255,.45)}
.trend-tags{
    display:flex;
    align-items:center;
    gap:6px;
    font-size:13px;
    white-space:nowrap;
}
.trend-tags span{color:var(--faint)}
.trend-tags a{
    color:var(--muted);
    padding:4px 10px;
    background:rgba(255,255,255,.05);
    border-radius:999px;
}
.trend-tags a:hover{color:#fff;background:rgba(53,208,255,.14)}
.mobile-nav{
    display:none;
}

/* ========== Hero ========== */
.page-hero{
    position:relative;
    padding:92px 0 78px;
    overflow:hidden;
    background:
        linear-gradient(100deg, rgba(6,11,23,.82), rgba(11,21,42,.42)),
        url('/assets/images/backpic/back-2.webp') no-repeat center center / cover;
}
.page-hero::before{
    content:"";
    position:absolute;
    top:-180px;
    right:-120px;
    width:500px;
    height:500px;
    background:radial-gradient(circle, rgba(53,208,255,.22), transparent 60%);
    filter:blur(20px);
    pointer-events:none;
}
.page-hero .grid-container{
    position:relative;
    z-index:2;
}
.hero-kicker{
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--accent);
    font-weight:700;
    font-size:13px;
    letter-spacing:.16em;
    background:rgba(53,208,255,.08);
    border:1px solid rgba(53,208,255,.22);
    padding:6px 14px;
    border-radius:999px;
    margin-bottom:24px;
    backdrop-filter:blur(6px);
}
.page-title{
    font-size:46px;
    line-height:1.2;
    font-weight:800;
    color:#f4f8ff;
    margin:0 0 24px;
    text-shadow:0 10px 30px rgba(0,20,50,.4);
    letter-spacing:.01em;
}
.page-title em{
    font-style:normal;
    background:linear-gradient(120deg,#35d0ff,#7b61ff);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
}
.hero-desc{
    font-size:16px;
    line-height:1.9;
    color:var(--muted);
    max-width:570px;
    margin-bottom:30px;
}
.hero-actions{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
    align-items:center;
}
.hero-proof{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:34px;
}
.hero-proof .proof-chip{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.09);
    backdrop-filter:blur(8px);
    color:var(--muted);
    font-size:13px;
    padding:7px 14px;
    border-radius:999px;
}
.hero-proof .proof-chip i{color:var(--success)}
.hero-visual{
    position:relative;
    display:flex;
    justify-content:center;
}
.hero-image-frame{
    position:relative;
    padding:16px;
    background:linear-gradient(145deg, rgba(255,255,255,.09), rgba(255,255,255,.02));
    border:1px solid rgba(255,255,255,.12);
    border-radius:26px;
    box-shadow:0 30px 70px rgba(0,15,50,.5), 0 0 40px rgba(53,208,255,.08);
    backdrop-filter:blur(12px);
    width:88%;
    max-width:430px;
}
.hero-image-frame img{
    display:block;
    width:100%;
    aspect-ratio:16/11;
    object-fit:cover;
    border-radius:18px;
}
.hero-float-card{
    position:absolute;
    background:rgba(10,20,40,.8);
    backdrop-filter:blur(14px);
    border:1px solid rgba(255,255,255,.13);
    border-radius:16px;
    padding:14px 18px;
    font-size:14px;
    box-shadow:0 18px 40px rgba(0,5,20,.4);
    display:flex;
    align-items:center;
    gap:10px;
    z-index:3;
}
.hero-float-card .fc-icon{
    width:36px;
    height:36px;
    border-radius:10px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:linear-gradient(140deg,#2f80ff,#35d0ff);
    color:#fff;
    font-size:16px;
    box-shadow:0 0 14px rgba(53,208,255,.4);
}
.hero-float-card small{color:var(--faint);font-size:12px;line-height:1.4}
.hero-float-card strong{color:#fff;font-size:15px}
.fc-1{top:6%;right:0;animation:floatY 4s ease-in-out infinite}
.fc-2{bottom:-22px;left:0;animation:floatY 4s ease-in-out 1.2s infinite}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ========== Section head ========== */
.section-head{
    margin-bottom:44px;
    max-width:760px;
}
.section-eyebrow{
    display:inline-block;
    font-size:12px;
    letter-spacing:.18em;
    font-weight:700;
    color:var(--accent);
    padding:5px 14px;
    border-radius:999px;
    background:rgba(53,208,255,.08);
    border:1px solid rgba(53,208,255,.15);
    margin-bottom:16px;
    text-transform:uppercase;
}
.section-title{
    font-size:34px;
    font-weight:800;
    line-height:1.3;
    margin:0 0 18px;
    color:#f2f7ff;
}
.section-subtitle{
    font-size:15px;
    color:var(--muted);
    line-height:1.9;
}

/* ========== 版本时间轴 ========== */
.timeline-block{
    max-width:940px;
    margin:0 auto;
    position:relative;
}
.timeline-list{
    display:flex;
    flex-direction:column;
    gap:16px;
}
.timeline-item{
    display:grid;
    grid-template-columns:200px 70px 1fr;
    gap:0;
    align-items:stretch;
    position:relative;
}
.timeline-date{
    padding:18px 0 12px;
    text-align:right;
    color:var(--muted);
    font-size:14px;
}
.timeline-date strong{
    display:block;
    color:#fff;
    font-size:22px;
    font-weight:800;
    line-height:1.2;
}
.timeline-node{
    position:relative;
    display:flex;
    justify-content:center;
}
.timeline-item:not(:last-child) .timeline-node::after{
    content:"";
    position:absolute;
    top:54px;
    bottom:-18px;
    width:2px;
    background:linear-gradient(180deg, rgba(53,208,255,.7), rgba(53,208,255,.08));
}
.node-ring{
    width:38px;
    height:38px;
    margin-top:16px;
    border-radius:50%;
    background:#101c34;
    border:2px solid rgba(53,208,255,.5);
    box-shadow:0 0 0 5px rgba(53,208,255,.10), 0 0 16px rgba(53,208,255,.3);
    position:relative;
}
.node-ring::after{
    content:"";
    position:absolute;
    inset:9px;
    border-radius:50%;
    background:linear-gradient(135deg,#2f80ff,#35d0ff);
}
.timeline-panel{
    background:linear-gradient(145deg, rgba(255,255,255,.065), rgba(255,255,255,.025));
    border:1px solid rgba(255,255,255,.09);
    border-left:3px solid rgba(53,208,255,.6);
    border-radius:18px;
    padding:24px 28px;
    margin-bottom:8px;
    transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.timeline-panel:hover{
    transform:translateY(-3px);
    border-color:rgba(53,208,255,.35);
    box-shadow:0 16px 30px rgba(0,8,20,.4);
}
.tl-tags{
    display:flex;
    gap:8px;
    flex-wrap:wrap;
    margin-bottom:12px;
}
.badge-version{
    display:inline-flex;
    align-items:center;
    font-size:13px;
    font-weight:800;
    padding:4px 12px;
    border-radius:999px;
    background:rgba(53,208,255,.14);
    color:var(--accent);
    border:1px solid rgba(53,208,255,.25);
}
.badge-stable{
    background:rgba(40,209,153,.12);
    color:#47e3b3;
    border-color:rgba(40,209,153,.3);
}
.badge-live{
    background:rgba(123,97,255,.13);
    color:#a89bff;
    border-color:rgba(123,97,255,.32);
}
.badge-draft{
    background:rgba(255,255,255,.06);
    color:var(--muted);
    border-color:rgba(255,255,255,.12);
}
.timeline-panel h3{
    margin:0 0 10px;
    font-size:20px;
    font-weight:700;
    color:#fff;
    line-height:1.4;
}
.timeline-panel ul{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:7px 18px;
    margin-top:2px;
}
.tl-more{
    margin-top:14px;
    font-size:14px;
    color:var(--faint);
}
.timeline-panel li{
    list-style:none;
    position:relative;
    padding-left:20px;
    font-size:14px;
    color:var(--muted);
}
.timeline-panel li::before{
    content:"";
    position:absolute;
    left:2px;
    top:10px;
    width:6px;
    height:6px;
    border-radius:50%;
    background:var(--accent);
    box-shadow:0 0 8px rgba(53,208,255,.6);
}

/* ========== Bento / 版本观察 ========== */
.bento-grid{
    display:grid;
    grid-template-columns:1.35fr .85fr .85fr;
    grid-template-rows:auto auto;
    gap:18px;
}
.bento-card{
    background:linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
    border:1px solid rgba(255,255,255,.09);
    border-radius:20px;
    padding:28px;
    position:relative;
    overflow:hidden;
    transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.bento-card:hover{
    transform:translateY(-4px);
    border-color:rgba(53,208,255,.32);
    box-shadow:0 22px 50px rgba(0,8,24,.35), 0 0 0 1px rgba(53,208,255,.08);
}
.bento-card::after{
    content:"";
    position:absolute;
    width:180px;
    height:180px;
    border-radius:50%;
    right:-80px;
    top:-80px;
    background:radial-gradient(circle, rgba(53,208,255,.18), transparent 65%);
    filter:blur(10px);
}
.bento-card.accent-violet::after{background:radial-gradient(circle, rgba(123,97,255,.22), transparent 65%)}
.bento-card.accent-blue::after{background:radial-gradient(circle, rgba(47,128,255,.22), transparent 65%)}
.bento-card h3{
    font-size:18px;
    margin:0 0 18px;
    color:#fff;
    font-weight:700;
    display:flex;
    align-items:center;
    gap:10px;
}
.bento-card h3 .bento-icon{
    width:38px;
    height:38px;
    border-radius:12px;
    background:linear-gradient(145deg, rgba(53,208,255,.16), rgba(47,128,255,.16));
    color:var(--accent);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:17px;
    flex:0 0 38px;
}
.bento-list{
    display:flex;
    flex-direction:column;
    gap:12px;
}
.bento-list li{
    position:relative;
    padding-left:22px;
    font-size:14px;
    line-height:1.7;
    color:var(--muted);
}
.bento-list li::before{
    content:"\f105";
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    position:absolute;
    left:3px;
    top:1px;
    color:var(--accent);
    font-size:12px;
}
.bento-feature-main{
    padding:16px 0 0;
}
.bento-metric-row{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:14px;
    margin-top:14px;
}
.metric-mini{
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.07);
    border-radius:12px;
    padding:12px 14px;
}
.metric-mini span{display:block;color:var(--faint);font-size:12px;margin-bottom:2px}
.metric-mini strong{color:#fff;font-size:18px;font-weight:800}
.news-note{
    margin-top:18px;
    padding:14px 16px;
    border-radius:12px;
    background:rgba(255,255,255,.04);
    border-left:3px solid var(--violet);
    color:var(--muted);
    font-size:13px;
}
.bento-card img{
    width:100%;
    border-radius:14px;
    aspect-ratio:5/3;
    object-fit:cover;
    margin-bottom:14px;
}

/* ========== 发布流程 ========== */
.flow-wrap{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:18px;
    margin-top:24px;
    position:relative;
}
.flow-step{
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.08);
    border-radius:18px;
    padding:26px 22px;
    position:relative;
    transition:all .3s ease;
}
.flow-step:hover{
    background:rgba(53,208,255,.04);
    border-color:rgba(53,208,255,.26);
    transform:translateY(-4px);
}
.flow-step .step-num{
    font-size:14px;
    letter-spacing:.14em;
    font-weight:700;
    color:var(--faint);
    display:block;
    margin-bottom:10px;
}
.flow-step .step-icon{
    font-size:24px;
    color:var(--accent);
    margin-bottom:14px;
    display:inline-flex;
    width:48px;
    height:48px;
    border-radius:14px;
    background:linear-gradient(145deg, rgba(53,208,255,.16), rgba(47,128,255,.14));
    align-items:center;
    justify-content:center;
}
.flow-step h3{
    font-size:16px;
    margin:0 0 10px;
    color:#fff;
}
.flow-step p{
    font-size:14px;
    color:var(--muted);
    line-height:1.75;
}
.step-arrow{
    position:absolute;
    right:-16px;
    top:calc(50% - 10px);
    color:rgba(53,208,255,.5);
    font-size:16px;
    z-index:3;
}

/* ========== 服务保障与说明 ========== */
.service-board{
    display:grid;
    grid-template-columns:1fr .8fr;
    gap:18px;
    margin-top:18px;
}
.service-info{
    background:linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
    border:1px solid rgba(255,255,255,.09);
    border-radius:20px;
    padding:30px;
    display:flex;
    flex-direction:column;
    gap:12px;
}
.service-point{
    display:flex;
    align-items:flex-start;
    gap:13px;
}
.service-point .sp-icon{
    color:var(--accent);
    font-size:19px;
    line-height:1.5;
}
.service-point strong{
    display:block;
    color:#fff;
    margin-bottom:3px;
    font-weight:600;
}
.service-point p{
    color:var(--muted);
    font-size:14px;
}
.media-panel{
    border-radius:20px;
    overflow:hidden;
    border:1px solid rgba(255,255,255,.10);
    box-shadow:var(--shadow-md);
}
.media-panel img{
    width:100%;
    height:100%;
    object-fit:cover;
    min-height:260px;
    display:block;
}

/* ========== FAQ ========== */
.faq-grid .accordion-title{
    background:transparent;
    border:0;
    color:var(--text);
    font-size:17px;
    font-weight:600;
    padding:20px 68px 20px 22px;
    line-height:1.6;
    position:relative;
    border-radius:16px;
}
.faq-accordion{
    display:flex;
    flex-direction:column;
    gap:14px;
}
.faq-accordion .accordion-item{
    border:1px solid rgba(255,255,255,.08);
    border-radius:18px;
    background:linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
    overflow:hidden;
    transition:border-color .3s ease, box-shadow .3s ease;
}
.faq-accordion .accordion-item.is-active,
.faq-accordion .accordion-item:hover{
    border-color:rgba(53,208,255,.24);
    box-shadow:0 0 22px rgba(53,208,255,.06);
}
.faq-accordion .accordion-title::before{
    content:"\f058";
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    position:absolute;
    left:20px;
    top:24px;
    font-size:15px;
    color:var(--accent);
    opacity:.9;
}
.faq-accordion .accordion-title::after{
    content:"";
    position:absolute;
    right:22px;
    top:50%;
    width:30px;
    height:30px;
    transform:translateY(-50%);
    background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2335d0ff' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center/16px no-repeat;
    transition:transform .3s ease;
    border-radius:50%;
    background-color:rgba(53,208,255,.12);
}
.faq-accordion .accordion-item.is-active > .accordion-title::after{
    transform:translateY(-50%) rotate(180deg);
}
.faq-accordion .accordion-title:hover,.faq-accordion .accordion-title:focus{
    background:rgba(255,255,255,.025);
    color:#fff;
}
.faq-accordion .accordion-content{
    background:transparent;
    border:0;
    color:var(--muted);
    font-size:14px;
    padding:0 28px 24px 28px;
    line-height:1.95;
}
.faq-layout{
    display:grid;
    grid-template-columns:1fr 1fr;
    column-gap:16px;
}

/* ========== CTA ========== */
.cta-panel{
    background:
        linear-gradient(135deg, rgba(21,41,82,.6), rgba(11,22,46,.84)),
        url('/assets/images/backpic/back-1.png') no-repeat center / cover;
    border:1px solid rgba(53,208,255,.18);
    border-radius:26px;
    padding:58px 50px;
    text-align:center;
    position:relative;
    overflow:hidden;
    box-shadow:0 26px 80px rgba(0,10,30,.5);
}
.cta-panel::before{
    content:"";
    position:absolute;
    top:-100px;
    left:20%;
    width:460px;
    height:230px;
    background:radial-gradient(ellipse at center, rgba(53,208,255,.2), transparent 65%);
    filter:blur(12px);
    pointer-events:none;
}
.cta-panel h2{
    font-size:32px;
    font-weight:800;
    margin:0 auto 14px;
    color:#fff;
    max-width:660px;
    line-height:1.4;
}
.cta-panel p{
    color:var(--muted);
    max-width:560px;
    margin:0 auto 28px;
    font-size:15px;
}
.cta-actions{
    display:flex;
    justify-content:center;
    align-items:center;
    gap:14px;
    flex-wrap:wrap;
}
.cta-secure-note{
    margin-top:18px;
    font-size:13px;
    color:var(--faint);
    display:flex;
    align-items:center;
    justify-content:center;
    gap:8px;
}
.cta-secure-note i{color:var(--success)}

/* ========== Footer ========== */
.site-footer{
    border-top:1px solid rgba(255,255,255,.06);
    background:rgba(5,10,20,.75);
    padding-top:56px;
    color:var(--muted);
    margin-top:20px;
}
.grid-container.footer-inner{
    padding-bottom:44px;
}
.footer-inner-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr .9fr;
    gap:40px;
}
.footer-brand-col{
    max-width:360px;
}
.footer-brand-desc{
    font-size:14px;
    line-height:1.8;
    color:var(--muted);
    margin:18px 0 20px;
}
.footer-services-row{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
}
.footer-services-row span{
    background:rgba(255,255,255,.05);
    text-align:center;
    padding:4px 10px;
    border-radius:999px;
    font-size:12px;
    color:var(--faint);
    border:1px solid rgba(255,255,255,.06);
}
.site-footer h4{
    color:#eaf1fc;
    font-size:16px;
    font-weight:700;
    margin-bottom:18px;
}
.site-footer h4::before{
    content:"";
    display:inline-block;
    margin-right:8px;
    font-size:13px;
    color:var(--accent);
}
.site-footer ul li{
    margin-bottom:9px;
}
.site-footer ul a{
    color:var(--muted);
    font-size:14px;
    text-decoration:none;
    transition:color .2s ease,padding-left .2s ease;
}
.site-footer ul a i{
    font-size:10px;
    color:var(--faint);
    margin-right:4px;
}
.site-footer ul a:hover{
    color:var(--accent);
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.06);
    padding:22px 0 26px;
    font-size:13px;
    color:var(--faint);
}
.footer-bottom .grid-container{
    display:flex;
    justify-content:space-between;
    gap:12px;
    flex-wrap:wrap;
}
.footer-copyright{
    display:flex;
    align-items:center;
    gap:6px;
}

/* ========== Responsive ========== */
@media(max-width:1023px){
    .header-main .grid-container,
    .channel-nav,
    .header-tools{
        flex-direction:row;
    }
    .channel-nav,
    .trend-tags{
        display:none;
    }
    .menu-trigger{
        display:inline-flex;
    }
    .nav-search{
        margin-left:auto;
        width:200px;
    }
    .page-title{
        font-size:38px;
    }
    .grid-cols-2,.timeline-item{
        grid-template-columns:110px 42px 1fr;
    }
    .bento-grid{
        grid-template-columns:1fr 1fr;
    }
    .bento-feature-main{
        grid-column:span 2;
    }
    .flow-wrap{
        grid-template-columns:1fr 1fr;
    }
    .service-board{
        grid-template-columns:1fr;
    }
    .mobile-nav{
        display:none;
        position:fixed;
        top:0;
        left:0;
        right:0;
        bottom:0;
        z-index:200;
        background:rgba(7,12,24,.96);
        backdrop-filter:blur(20px);
        padding:120px 26px 34px;
        overflow-y:auto;
    }
    .mobile-nav.open{
        display:block;
    }
    .mobile-nav .brand-logo{
        margin-bottom:44px;
    }
    .mobile-nav-bottom{
        margin-top:48px;
        text-align:center;
    }
    .mobile-nav-bottom .btn{width:100%;margin-bottom:12px}
    .mobile-nav-close{
        position:absolute;
        right:20px;
        top:20px;
        width:48px;
        height:48px;
        border-radius:14px;
        border:1px solid rgba(255,255,255,.13);
        background:rgba(255,255,255,.06);
        color:#fff;
        font-size:22px;
        cursor:pointer;
    }
    .mobile-nav-list{
        display:flex;
        flex-direction:column;
        gap:10px;
    }
    .mobile-nav-list a{
        display:flex;
        align-items:center;
        justify-content:space-between;
        font-size:22px;
        font-weight:700;
        color:#fff;
        padding:18px 12px;
        border-bottom:1px solid rgba(255,255,255,.07);
    }
    .mobile-nav-list a.active{
        color:var(--accent);
    }
    .mobile-nav-list a i{
        color:var(--accent);
        font-size:17px;
    }
    .faq-layout{
        grid-template-columns:1fr;
        margin-top:18px;
    }
    .footer-inner-grid{
        grid-template-columns:1fr 1fr;
        gap:30px;
    }
}
@media(max-width:639px){
    .section{
        padding:68px 0;
    }
    .header-top{
        padding:10px 0;
    }
    .header-top .grid-container{
        gap:8px;
    }
    .brand-badge-icon{
        width:34px;
        height:34px;
        flex:0 0 34px;
        border-radius:10px;
        font-size:17px;
    }
    .brand-text{
        font-size:17px;
        letter-spacing:0;
    }
    .header-quick .btn-outline{
        display:none;
    }
    .menu-trigger{
        display:inline-flex;
    }
    .header-main .grid-container{
        padding:0 0;
    }
    .header-main {
        padding:10px 0;
    }
    .nav-search{
        width:140px;
        height:40px;
        margin-left:0;
    }
    .nav-search:focus-within{width:160px}
    .nav-search input{font-size:13px}
    .page-hero{
        padding:50px 0 56px;
    }
    .page-title{
        font-size:31px;
        margin-bottom:16px;
    }
    .hero-visual{
        margin-top:54px;
    }
    .hero-image-frame{
        width:100%;
        margin:0 16px 0 0;
    }
    .hero-float-card{
        padding:10px 13px;
        font-size:13px;
    }
    .hero-float-card strong{font-size:14px}
    .fc-1{right:-4px}
    .fc-2{bottom:-8px;left:-2px}
    .section-title{
        font-size:27px;
    }
    .timeline-item{
        grid-template-columns:1fr;
        gap:0;
        padding-left:0;
    }
    .timeline-date{
        text-align:left;
        padding:6px 0 8px 56px;
        font-size:12px;
    }
    .timeline-date strong{
        font-size:16px;
    }
    .timeline-node{
        display:none;
    }
    .timeline-panel{
        padding:18px;
        border-left:3px solid rgba(53,208,255,.6);
        border-top:0;
        border-radius:0 16px 16px 0;
    }
    .timeline-panel ul{
        grid-template-columns:1fr;
        gap:6px 0;
    }
    .timeline-item:not(:last-child){
        margin-bottom:10px;
    }
    .bento-grid{
        grid-template-columns:1fr;
    }
    .bento-feature-main{
        grid-column:span 1;
    }
    .bento-metric-row{
        grid-template-columns:1fr 1fr;
    }
    .flow-wrap{
        grid-template-columns:1fr;
        margin-top:10px;
    }
    .step-arrow{
        display:none;
    }
    .service-board{
        grid-template-columns:1fr;
    }
    .service-info{
        padding:22px 18px;
    }
    .cta-panel{
        padding:42px 20px;
        border-radius:22px;
    }
    .cta-panel h2{
        font-size:26px;
    }
    .cta-actions .btn{
        width:100%;
    }
    .footer-inner-grid{
        grid-template-columns:1fr;
        gap:26px;
    }
    .site-footer{
        padding-top:44px;
    }
}

/* roulang page: category2 */
:root {
            --bg-deep: #070d1c;
            --bg-main: #0b1224;
            --bg-panel: #101c30;
            --bg-card: rgba(255, 255, 255, 0.045);
            --bg-card-hover: rgba(255, 255, 255, 0.085);
            --stroke: rgba(255, 255, 255, 0.09);
            --stroke-light: rgba(53, 208, 255, 0.3);
            --primary: #1c6ef3;
            --primary-light: #2f80ff;
            --cyan: #35d0ff;
            --purple: #7b61ff;
            --gold: #f0b35a;
            --text-main: #eaf1fc;
            --text-sub: #a7b8d4;
            --text-muted: #6b7f9e;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-glow: 0 0 24px rgba(53, 208, 255, 0.2);
            --font-smooth: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-smooth);
            background-color: var(--bg-deep);
            background-image: radial-gradient(circle at 12% 18%, rgba(38, 78, 155, 0.25) 0%, transparent 35%),
                radial-gradient(circle at 85% 10%, rgba(90, 70, 210, 0.15) 0%, transparent 30%),
                linear-gradient(180deg, #0a1120 0%, #070d1c 85%);
            background-attachment: fixed;
            color: var(--text-main);
            line-height: 1.8;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: linear-gradient(rgba(20, 45, 80, 0.08) 1px, transparent 1px),
                linear-gradient(90deg, rgba(20, 45, 80, 0.08) 1px, transparent 1px);
            background-size: 52px 52px;
            pointer-events: none;
            z-index: 0;
        }

        img {
            max-width: 100%;
            display: block;
            height: auto;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover,
        a:focus-visible {
            color: var(--cyan);
            outline: none;
        }

        .grid-container {
            position: relative;
            z-index: 1;
            max-width: 1440px;
        }

        .grid-x {
            margin-left: auto;
            margin-right: auto;
        }

        /* ---------- Header ---------- */
        .site-header {
            position: relative;
            z-index: 100;
            background: rgba(8, 13, 26, 0.65);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 8px;
            gap: 24px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-badge-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary-light), var(--purple));
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            box-shadow: 0 0 18px rgba(53, 120, 255, 0.5);
            position: relative;
            overflow: hidden;
        }

        .brand-badge-icon::after {
            content: "";
            position: absolute;
            inset: 1px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), transparent 60%);
            pointer-events: none;
        }

        .brand-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            background: linear-gradient(120deg, #dcebff, #7fc4ff, #d7e3ff);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--stroke);
            color: var(--text-sub);
            height: 36px;
            padding: 0 18px;
            border-radius: 8px;
            font-size: 13px;
            cursor: pointer;
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-login:hover {
            border-color: var(--cyan);
            color: var(--cyan);
            box-shadow: 0 0 14px rgba(53, 208, 255, 0.15);
        }

        .btn-member {
            background: linear-gradient(135deg, #1c6ef3, #35d0ff);
            border: none;
            border-radius: 10px;
            color: #00163a;
            font-weight: 600;
            height: 36px;
            padding: 0 16px;
            cursor: pointer;
            transition: all .25s ease;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 0 16px rgba(53, 150, 255, 0.35);
        }

        .btn-member:hover {
            filter: brightness(1.2);
            transform: translateY(-1px);
            box-shadow: 0 0 24px rgba(53, 190, 255, 0.5);
        }

        .btn-gold {
            background: linear-gradient(120deg, #f0b35a, #e19838);
            color: #1a1308;
        }

        .btn-gold:hover {
            box-shadow: 0 0 22px rgba(240, 179, 90, 0.4);
            filter: brightness(1.08);
        }

        .header-bottom-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 10px 0 14px;
        }

        .channel-menu {
            list-style: none;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            padding: 0;
        }

        .channel-menu li {
            margin: 0;
        }

        .channel-menu .nav-link {
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 24px;
            color: var(--text-sub);
            display: inline-block;
            letter-spacing: 0.3px;
            transition: all .25s ease;
            background: transparent;
            border: 1px solid transparent;
        }

        .channel-menu .nav-link:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.08);
        }

        .channel-menu .nav-link.active {
            color: #ffffff;
            background: linear-gradient(120deg, rgba(28, 110, 243, 0.35), rgba(53, 208, 255, 0.2));
            border-color: rgba(28, 110, 243, 0.5);
            box-shadow: 0 0 16px rgba(28, 110, 243, 0.2);
            font-weight: 600;
        }

        .header-search-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
        }

        .header-search-box {
            position: relative;
            width: 180px;
            transition: all .3s ease;
        }

        .header-search-box input {
            width: 100%;
            height: 38px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--stroke);
            border-radius: 22px;
            color: var(--text-main);
            padding: 0 42px 0 16px;
            font-size: 13px;
            transition: all .3s ease;
            margin: 0;
        }

        .header-search-box input::placeholder {
            color: var(--text-muted);
        }

        .header-search-box input:focus {
            outline: none;
            border-color: var(--cyan);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 16px rgba(53, 208, 255, 0.18);
        }

        .header-search-box .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 13px;
        }

        .hot-tags {
            display: flex;
            gap: 6px;
            align-items: center;
        }

        .hot-tags span {
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--stroke);
            padding: 3px 12px;
            border-radius: 24px;
            cursor: default;
            transition: all .2s ease;
        }

        .hot-tags span:hover {
            background: rgba(53, 208, 255, 0.1);
            color: var(--cyan);
        }

        .menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--stroke);
            color: var(--text-main);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all .2s ease;
        }

        .menu-toggle:hover {
            border-color: var(--cyan);
            color: var(--cyan);
        }

        .mobile-channel-menu {
            display: none;
            background: rgba(10, 18, 32, 0.98);
            border-top: 1px solid var(--stroke);
            backdrop-filter: blur(16px);
            padding: 12px 24px 20px;
        }

        .mobile-channel-menu.open {
            display: block;
        }

        .mobile-channel-menu .channel-menu {
            flex-direction: column;
            align-items: stretch;
            gap: 6px;
        }

        .mobile-channel-menu .channel-menu .nav-link {
            display: block;
            text-align: center;
            padding: 12px 16px;
        }

        .mobile-channel-menu .header-search-wrap {
            margin: 12px 0 0;
        }

        .mobile-channel-menu .header-search-box {
            width: 100%;
        }

        @-webkit-keyframes stickyHeader {
            from {
                transform: translateY(-100%);
            }
            to {
                transform: translateY(0);
            }
        }

        @keyframes stickyHeader {
            from {
                transform: translateY(-100%);
            }
            to {
                transform: translateY(0);
            }
        }

        .site-header.is-sticky {
            position: sticky;
            top: 0;
            animation: stickyHeader .45s ease both;
            background: rgba(7, 12, 24, 0.92);
            box-shadow: 0 10px 40px rgb(0 0 0 / 0.55);
            border-bottom: 1px solid rgba(53, 208, 255, 0.1);
        }

        .site-header.is-sticky .header-top-row {
            display: none;
        }

        .site-header.is-sticky .header-bottom-row {
            padding: 10px 0;
        }

        /* ---------- Shared heading ---------- */
        .section-heading {
            margin-bottom: 38px;
        }

        .section-heading .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--cyan);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .section-heading .section-kicker::before {
            content: "";
            width: 28px;
            height: 2px;
            background: linear-gradient(90deg, var(--cyan), transparent);
            display: block;
        }

        .section-heading h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
            color: var(--text-main);
        }

        .section-heading .section-desc {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 720px;
            margin-top: 8px;
        }

        @media (max-width: 639px) {
            .section-heading h2 {
                font-size: 24px;
            }
        }

        /* ---------- Page hero ---------- */
        .page-banner {
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.9), rgba(8, 12, 28, 0.86));
            position: relative;
            padding: 60px 0 28px;
            border-bottom: 1px solid rgba(53, 208, 255, 0.08);
            overflow: hidden;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(80, 130, 250, 0.16), transparent 65%);
            top: -150px;
            right: -50px;
            border-radius: 50%;
        }

        .page-banner .grid-container {
            position: relative;
            z-index: 2;
        }

        .page-banner h1 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 8px;
            line-height: 1.25;
            background: linear-gradient(120deg, #ffffff 0%, #c7e4ff 60%, #b7d8ff 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .page-banner .page-banner-summary {
            color: var(--text-sub);
            font-size: 15px;
            max-width: 820px;
            margin-top: 12px;
            border-left: 3px solid var(--cyan);
            padding-left: 18px;
        }

        .page-banner .breadcrumbs {
            display: flex;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 13px;
            margin-bottom: 18px;
            align-items: center;
            gap: 4px;
        }

        .page-banner .breadcrumbs a {
            color: var(--text-muted);
            transition: all .2s ease;
        }

        .page-banner .breadcrumbs a:hover {
            color: var(--cyan);
        }

        .page-banner .breadcrumbs .crumb-sep {
            padding: 0 4px;
            font-size: 11px;
            color: var(--text-muted);
            opacity: 0.7;
        }

        @media (max-width: 639px) {
            .page-banner {
                padding: 40px 0 22px;
            }
            .page-banner h1 {
                font-size: 23px;
            }
            .page-banner .page-banner-summary {
                font-size: 13px;
                padding-left: 12px;
            }
        }

        /* ---------- Timeline (category1) ---------- */
        .timeline-section {
            padding: 90px 0 100px;
        }

        .timeline-section .grid-container {
            max-width: 1200px;
        }

        .timeline-wrapper {
            position: relative;
            margin-top: 36px;
        }

        .timeline-wrapper::before {
            content: "";
            position: absolute;
            left: 50%;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: linear-gradient(180deg, rgba(53, 208, 255, 0.25), rgba(123, 97, 255, 0.35) 90%);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 44px;
            width: 100%;
            display: flex;
            justify-content: flex-start;
        }

        .timeline-item .timeline-card {
            position: relative;
            width: calc(50% - 48px);
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px 30px 24px;
            border: 1px solid var(--stroke);
            backdrop-filter: blur(14px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
            transition: all .35s ease;
        }

        .timeline-item:hover .timeline-card {
            border-color: rgba(53, 208, 255, 0.3);
            transform: translateY(-4px);
            box-shadow: 0 26px 60px rgba(0, 0, 0, 0.3), 0 0 30px rgba(53, 208, 255, 0.12);
            background: var(--bg-card-hover);
        }

        .timeline-card .tag-row {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .timeline-card .version-title {
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
        }

        .timeline-card .version-title::before {
            content: "";
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--cyan);
            box-shadow: 0 0 10px rgba(53, 208, 255, 0.7);
            flex-shrink: 0;
        }

        .date-chip {
            background: rgba(53, 208, 255, 0.12);
            border-radius: 16px;
            color: #8fd5ff;
            font-size: 12px;
            padding: 4px 14px;
            border: 1px solid rgba(53, 208, 255, 0.2);
            white-space: nowrap;
        }

        .timeline-card .update-list {
            margin-top: 16px;
            margin-bottom: 0;
            list-style: none;
            padding: 0;
        }

        .timeline-card .update-list li {
            position: relative;
            color: var(--text-sub);
            font-size: 14px;
            padding-left: 18px;
            margin-bottom: 8px;
            line-height: 1.7;
        }

        .timeline-card .update-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary-light);
            box-shadow: 0 0 6px rgba(47, 128, 255, 0.6);
        }

        .timeline-card .update-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .update-tags .tag-item {
            font-size: 12px;
            background: rgba(123, 97, 255, 0.15);
            color: #b8a5ff;
            border-radius: 20px;
            padding: 3px 12px;
            border: 1px solid rgba(123, 97, 255, 0.25);
        }

        .timeline-item.alternate {
            justify-content: flex-end;
        }

        .timeline-item .timeline-dot {
            position: absolute;
            left: 50%;
            top: 32px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #101c30;
            border: 3px solid var(--cyan);
            transform: translateX(-50%);
            box-shadow: 0 0 20px rgba(53, 208, 255, 0.5);
            z-index: 2;
        }

        .timeline-item.alternate .timeline-card {
            width: calc(50% - 48px);
        }

        .timeline-item .timeline-card .step-num {
            display: inline-flex;
            width: 58px;
            height: 24px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(28, 110, 243, .5), rgba(53, 208, 255, .25));
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: #b3dbff;
            margin-bottom: 12px;
            letter-spacing: .5px;
        }

        @media (max-width: 800px) {
            .timeline-wrapper::before {
                left: 16px;
                transform: none;
            }

            .timeline-item {
                justify-content: flex-start;
                padding-left: 46px;
            }

            .timeline-item.alternate {
                justify-content: flex-start;
            }

            .timeline-item .timeline-card,
            .timeline-item.alternate .timeline-card {
                width: 100%;
                padding: 20px 22px 18px;
            }

            .timeline-item .timeline-dot {
                left: 10px;
                top: 28px;
                transform: none;
            }

            .timeline-card .version-title {
                font-size: 17px;
            }
        }

        @media (max-width: 520px) {
            .timeline-card .tag-row {
                gap: 6px;
            }

            .timeline-card .version-title {
                font-size: 15px;
            }

            .timeline-card .update-list li {
                font-size: 13px;
            }
        }

        /* ---------- Feature strip with stats ------ */
        .feature-strip {
            background: #0a1322;
            border-block: 1px solid rgba(53, 208, 255, 0.08);
            padding: 54px 0;
        }

        .feature-strip .feature-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .feature-card-mini {
            background: var(--bg-card);
            border: 1px solid var(--stroke);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
            min-width: 220px;
            transition: all .3s ease;
        }

        .feature-card-mini:hover {
            border-color: rgba(53, 208, 255, 0.25);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }

        .feature-card-mini .mini-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(53, 208, 255, .2), rgba(28, 110, 243, .1));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-size: 18px;
            border: 1px solid rgba(53, 208, 255, .2);
        }

        .feature-card-mini h3 {
            font-size: 16px;
            font-weight: 600;
            color: #d8e7ff;
        }

        .feature-card-mini p {
            font-size: 14px;
            color: var(--text-muted);

            flex: 1;
        }

        /* ---------- Version notes banner image ---------- */
        .version-visual-section {
            background: #0b1424;
            padding: 70px 0;
        }

        .version-visual-inner {
            background: linear-gradient(135deg, rgba(25, 42, 70, .3), rgba(10, 20, 36, .7));
            border-radius: calc(var(--radius-lg) + 8px);
            padding: 32px;
            border: 1px solid var(--stroke);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
        }

        .version-visual-copy {
            flex: 1 1 300px;
            padding: 42px;
        }

        .version-visual-heading {
            font-size: 28px;
            line-height: 1.4;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .version-visual-heading span {
            background: linear-gradient(120deg, #35d0ff, #7b61ff);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .version-visual-copy p {
            color: var(--text-sub);
            font-size: 15px;
            max-width: 500px;
        }

        .version-visual-media {
            flex: 1 1 420px;
            min-height: 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            position: relative;
            min-height: 280px;
        }

        .version-visual-media .glass-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(7, 10, 25, 0.2), rgba(7, 10, 25, .6));
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .version-visual-media .glass-chip {
            padding: 12px 28px;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
        }

        /* ---------- Help guide CTA ---------- */
        .version-guide-cta {
            padding: 62px 0 78px;
        }

        .version-guide-cta .guide-cta-card {
            background: linear-gradient(135deg, rgba(32, 60, 112, 0.35), rgba(18, 30, 54, 0.3));
            border: 1px solid rgba(53, 208, 255, 0.15);
            border-radius: 28px;
            padding: 48px;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(12px);
            border-radius: 24px;
        }

        .version-guide-cta .guide-cta-card::before {
            content: "";
            position: absolute;
            top: -30%;
            right: -20%;
            width: 55%;
            height: 200%;
            background: radial-gradient(circle, rgba(53, 208, 255, 0.1), transparent 60%);
            pointer-events: none;
        }

        .version-guide-cta h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }

        .version-guide-cta p {
            color: var(--text-sub);
            max-width: 600px;
            margin-bottom: 24px;

        }

        .btn-primary-glow {
            display: inline-block;
            background: linear-gradient(135deg, #1c6ef3, #35d0ff);
            color: #00163a;
            font-weight: 700;
            padding: 0 32px;
            height: 48px;
            line-height: 48px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            font-size: 15px;
            transition: all .25s ease;
            text-align: center;
        }

        .btn-primary-glow:hover {
            color: #00163a;
            filter: brightness(1.15);
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(53, 200, 255, 0.35);
        }

        .btn-secondary-outline {
            display: inline-block;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-main);
            font-weight: 500;
            height: 48px;
            padding: 0 28px;
            line-height: 46px;
            border-radius: 50px;
            cursor: pointer;
            font-size: 15px;
            transition: all .25s ease;
            text-align: center;
        }

        .btn-secondary-outline:hover {
            border-color: rgba(53, 208, 255, 0.6);
            color: var(--cyan);
            background: rgba(53, 208, 255, 0.06);
            box-shadow: 0 0 22px rgba(53, 208, 255, 0.15);
        }

        .cta-btn-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        /* ---------- Intro FAQ ---------- */
        .update-faq-section {
            background: #081020;
            padding: 80px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .faq-grid {
            max-width: 880px;
            margin: 0 auto;
        }

        .accordion-item {
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .2s ease;
        }

        .accordion-header {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            background: transparent;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 18px;
            cursor: pointer;
            transition: background .2s ease;
        }

        .accordion-header:hover {
            color: var(--cyan);
        }

        .accordion-header .fa-plus-circle {
            color: var(--text-muted);
            font-size: 18px;
            transition: transform .35s ease, color .3s ease;
        }

        .accordion-header[aria-expanded="true"] .fa-plus-circle {
            transform: rotate(45deg);
            color: var(--cyan);
        }

        .accordion-panel {
            max-height: 0;
            transition: max-height .45s ease;
            overflow: hidden;
        }

        .accordion-content {
            padding: 0 24px 22px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.85;
        }

        .accordion-content .notice {
            color: var(--text-muted);
            font-size: 13px;
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: #04080f;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 60px;
            position: relative;
            z-index: 2;
        }

        .footer-inner-grid {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 40px;
        }

        .footer-brand-col .brand-logo {
            margin-bottom: 14px;
        }

        .footer-brand-col .footer-brand-desc {
            color: var(--text-muted);
            font-size: 14px;
            max-width: 360px;
            margin-bottom: 18px;
        }

        .footer-services-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-services-row span {
            background: rgba(255, 255, 255, 0.04);
            border-radius: 20px;
            padding: 5px 16px;
            font-size: 12px;
            color: var(--text-sub);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-link-col h4 {
            color: #d8e4f5;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: .3px;
        }

        .footer-link-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-link-col ul li {
            margin-bottom: 12px;
        }

        .footer-link-col ul a {
            color: var(--text-muted);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .2s ease;
        }

        .footer-link-col ul a i {
            font-size: 10px;
            color: var(--text-muted);
            transition: all .2s ease;
        }

        .footer-link-col ul a:hover {
            color: var(--cyan);
        }

        .footer-link-col ul a:hover i {
            color: var(--cyan);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0 26px;
        }

        .footer-bottom .grid-container {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-copyright {
            color: var(--text-muted);
            font-size: 13px;
        }

        .footer-bottom .footer-more {
            color: var(--text-muted);
            font-size: 13px;
        }

        @media (max-width: 860px) {
            .footer-inner-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer-brand-desc {
                max-width: 100%;
            }

            .footer-bottom .grid-container {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        /* ---------- Responsive header ---------- */
        @media (max-width: 900px) {
            .header-top-row {
                flex-wrap: wrap;
            }

            .header-actions {
                margin-left: auto;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .header-bottom-row {
                display: none;
            }

            .mobile-channel-menu {
                display: none;
            }

            .mobile-channel-menu.open .channel-menu {
                align-items: stretch;
            }
        }

        @media (min-width: 901px) {
            .mobile-channel-menu {
                display: none !important;
            }
        }

        @media (max-width: 480px) {
            .brand-text {
                font-size: 18px;
            }

            .brand-badge-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }

            .btn-login {
                padding: 0 10px;
                font-size: 12px;
            }

            .btn-member {
                padding: 0 12px;
                font-size: 12px;
            }

            .mobile-channel-menu {
                padding: 12px 12px 16px;
            }
        }

        /* ---------- misc ---------- */
        .margin-top-0 {
            margin-top: 0;
        }

        .text-small {
            font-size: 13px;
        }

        .compliance-note {
            margin-top: 28px;
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
        }

/* roulang page: category3 */
:root {
            --bg-deep: #080e1d;
            --bg-body: #0b1224;
            --bg-surface: #101c30;
            --bg-soft: #13233b;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.10);
            --primary: #1c6ef3;
            --primary-light: #2f80ff;
            --cyan: #35d0ff;
            --violet: #7b61ff;
            --amber: #d9a962;
            --text-main: #eaf1fc;
            --text-sub: #a7b8d4;
            --text-muted: #6b7f9e;
            --border: rgba(255, 255, 255, 0.12);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --shadow: 0 18px 42px rgba(0, 0, 0, 0.35);
            --shadow-blue: 0 10px 34px rgba(29, 108, 243, 0.25);
            --glow: 0 0 18px rgba(53, 208, 255, 0.35);
            --transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease, background-color .25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background:
                radial-gradient(circle at 15% 8%, rgba(123, 97, 255, .16), transparent 30%),
                radial-gradient(circle at 82% 18%, rgba(53, 208, 255, .13), transparent 26%),
                radial-gradient(circle at 64% 92%, rgba(28, 110, 243, .14), transparent 30%);
            pointer-events: none;
            z-index: -1;
        }
        body::after {
            content: "";
            position: fixed;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
            background-size: 46px 46px;
            mask-image: radial-gradient(circle at center center, #000 30%, transparent 85%);
            pointer-events: none;
            z-index: -2;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--cyan);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(8, 14, 29, .82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, .07);
        }
        .top-toolbar {
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .toolbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 62px;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand-badge-icon {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 11px;
            background: linear-gradient(135deg, #1c6ef3, #35d0ff);
            color: #fff;
            font-weight: 800;
            font-size: 19px;
            box-shadow: 0 0 18px rgba(53, 208, 255, .35), 0 4px 14px rgba(28, 110, 243, .3);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: .5px;
            color: var(--text-main);
            white-space: nowrap;
        }
        .brand-text:hover {
            color: var(--cyan);
        }
        .toolbar-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .login-link {
            color: var(--text-sub);
            font-size: 14px;
            padding: 8px 6px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .login-link:hover {
            color: var(--cyan);
        }
        .btn-header-cta {
            height: 36px;
            padding: 0 18px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--glow);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-header-cta:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 0 26px rgba(53, 208, 255, .48);
        }
        .mobile-menu-btn {
            width: 42px;
            height: 42px;
            display: none;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            color: var(--text-sub);
        }
        .category-bar {
            background: rgba(10, 17, 32, .38);
        }
        .category-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 54px;
            gap: 20px;
        }
        .channel-menu {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 26px;
            flex-shrink: 0;
        }
        .channel-menu .nav-link {
            display: inline-flex;
            align-items: center;
            height: 52px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            position: relative;
        }
        .channel-menu .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 8px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), var(--cyan));
            opacity: 0;
            transform: scaleX(.4);
            transition: all .25s ease;
        }
        .channel-menu .nav-link:hover {
            color: var(--text-main);
        }
        .channel-menu .nav-link:hover::after,
        .channel-menu .nav-link.active::after {
            opacity: 1;
            transform: scaleX(1);
        }
        .channel-menu .nav-link.active {
            color: #fff;
        }
        .nav-search {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            flex: 1;
            min-width: 0;
        }
        .search-inline {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .10);
            border-radius: 999px;
            height: 36px;
            padding: 0 6px 0 14px;
            width: 200px;
            transition: width .25s ease, border-color .25s ease;
        }
        .search-inline:focus-within {
            width: 280px;
            border-color: rgba(53, 208, 255, .65);
            box-shadow: 0 0 12px rgba(53, 208, 255, .16);
        }
        .search-inline input {
            background: transparent;
            border: none;
            box-shadow: none;
            outline: none;
            color: var(--text-main);
            font-size: 13px;
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
        }
        .search-inline input::placeholder {
            color: var(--text-muted);
        }
        .search-inline button {
            height: 30px;
            padding: 0 10px;
            border-radius: 999px;
            background: transparent;
            color: var(--text-sub);
            display: flex;
            align-items: center;
            font-size: 14px;
        }
        .search-inline button:hover {
            color: var(--cyan);
        }
        .nav-trend {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            margin-left: 10px;
            font-size: 13px;
        }
        .nav-trend span {
            color: var(--text-muted);
        }
        .trend-hot {
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .10);
            color: var(--text-sub);
            height: 26px;
            padding: 0 12px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            font-size: 12px;
        }
        .trend-hot i {
            color: var(--amber);
            margin-right: 5px;
        }

        /* ========== 页面主视觉 ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(8, 15, 30, .82), rgba(15, 27, 48, .75)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 62px 0 70px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .page-hero::after {
            content: "";
            position: absolute;
            right: 4%;
            bottom: -30px;
            width: 420px;
            height: 180px;
            background: radial-gradient(ellipse at center, rgba(53, 208, 255, .18), transparent 68%);
            pointer-events: none;
        }
        .breadcrumb-nav {
            font-size: 13px;
            color: var(--text-muted);
            padding: 8px 0 20px;
        }
        .breadcrumb-nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav li::after {
            content: "/";
            margin-left: 8px;
            color: rgba(255, 255, 255, .3);
        }
        .breadcrumb-nav li:last-child::after {
            display: none;
        }
        .breadcrumb-nav a {
            color: var(--text-muted);
        }
        .breadcrumb-nav a:hover {
            color: var(--cyan);
        }
        .breadcrumb-nav .current {
            color: var(--text-sub);
        }
        .hero-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            position: relative;
            z-index: 2;
        }
        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(123, 97, 255, .18);
            border: 1px solid rgba(123, 97, 255, .3);
            color: #cbbdff;
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .hero-kicker i {
            color: var(--violet);
        }
        .hero-title {
            font-size: 44px;
            line-height: 1.3;
            margin: 0 0 20px;
            color: #fff;
            font-weight: 800;
        }
        .hero-title .gradient-text {
            background: linear-gradient(90deg, #f8fbff, #97d9ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-desc {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 560px;
            margin-bottom: 24px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 30px;
        }
        .tag-pill {
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .12);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-sub);
        }
        .tag-pill i {
            color: var(--cyan);
            margin-right: 4px;
            font-size: 12px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .button.btn-main,
        .button.btn-ghost {
            border-radius: 999px;
            height: 46px;
            padding: 0 26px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin: 0;
            transition: var(--transition);
        }
        .button.btn-main {
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            box-shadow: var(--glow);
        }
        .button.btn-main:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 0 24px rgba(53, 208, 255, .48);
        }
        .button.btn-ghost {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .14);
            color: var(--text-main);
        }
        .button.btn-ghost:hover {
            color: var(--cyan);
            border-color: var(--cyan);
            transform: translateY(-2px);
        }
        .hero-visual {
            position: relative;
        }
        .hero-visual .visual-frame {
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .14);
            background: rgba(255, 255, 255, .04);
            box-shadow: var(--shadow);
            transform: perspective(1300px) rotateY(-5deg) rotateX(2deg);
            transition: transform .35s ease;
        }
        .hero-visual .visual-frame:hover {
            transform: perspective(1300px) rotateY(0deg) rotateX(0deg);
        }
        .hero-visual .visual-frame img {
            width: 100%;
            height: 330px;
            object-fit: cover;
        }
        .visual-card-meta {
            position: absolute;
            left: -16px;
            bottom: 28px;
            background: rgba(12, 21, 39, .85);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(122, 163, 255, .38);
            border-radius: 16px;
            padding: 16px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: 0 16px 34px rgba(0, 0, 0, .4);
        }
        .visual-card-meta .meta-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--violet));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 0 18px rgba(28, 110, 243, .45);
        }
        .visual-card-meta .meta-text strong {
            display: block;
            color: #fff;
            font-size: 14px;
        }
        .visual-card-meta .meta-text span {
            font-size: 12px;
            color: var(--text-sub);
        }

        /* ========== 手册左右布局 ========== */
        .manual-layout-wrap {
            padding: 52px 0 24px;
        }
        .manual-layout {
            display: flex;
            gap: 30px;
            align-items: flex-start;
        }
        .manual-toc {
            width: 250px;
            flex-shrink: 0;
            position: sticky;
            top: 100px;
            z-index: 8;
        }
        .toc-card {
            background: linear-gradient(160deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .03));
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-lg);
            padding: 26px 20px;
            box-shadow: 0 18px 38px rgba(0, 0, 0, .2);
            backdrop-filter: blur(10px);
        }
        .toc-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 16px;
            color: #fff;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            margin-bottom: 14px;
        }
        .toc-title i {
            color: var(--cyan);
        }
        .manual-toc-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .manual-toc-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            margin: 4px -8px;
            border-radius: 10px;
            color: var(--text-sub);
            font-size: 14px;
            transition: var(--transition);
        }
        .manual-toc-links a i {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            border-radius: 7px;
            background: rgba(255, 255, 255, .06);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            color: var(--muted-dark, var(--text-muted));
            border: 1px solid rgba(255, 255, 255, .06);
        }
        .manual-toc-links a:hover {
            background: rgba(28, 110, 243, .15);
            color: #fff;
            transform: translateX(2px);
        }
        .manual-toc-links a:hover i {
            background: rgba(28, 110, 243, .2);
            border-color: rgba(53, 208, 255, .35);
            color: var(--cyan);
        }
        .toc-bottom-text {
            margin-top: 16px;
            padding: 14px;
            background: rgba(123, 97, 255, .1);
            border: 1px dashed rgba(123, 97, 255, .35);
            border-radius: 12px;
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
        }
        .toc-bottom-text i {
            color: var(--violet);
            margin-right: 4px;
        }
        .manual-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .manual-block {
            background: linear-gradient(160deg, rgba(255, 255, 255, .065), rgba(255, 255, 255, .025));
            border: 1px solid rgba(255, 255, 255, .11);
            border-radius: var(--radius-lg);
            padding: 34px 36px;
            box-shadow: 0 12px 32px rgba(0, 0, 0, .18);
            backdrop-filter: blur(8px);
            transition: border-color .25s ease, box-shadow .25s ease;
        }
        .manual-block:hover {
            border-color: rgba(122, 163, 255, .25);
        }
        .manual-block-head {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            margin-bottom: 18px;
        }
        .manual-block-head .head-icon {
            width: 46px;
            height: 46px;
            flex-shrink: 0;
            background: linear-gradient(135deg, var(--primary), var(--violet));
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 9px 18px rgba(28, 110, 243, .35);
        }
        .manual-block-head h2 {
            font-size: 25px;
            color: #fff;
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .manual-block-head p {
            margin: 0;
            color: var(--text-sub);
            font-size: 14px;
        }
        .manual-lead {
            color: var(--text-sub);
            font-size: 15px;
            margin: 0 0 24px;
        }
        .manual-lead strong {
            color: var(--cyan);
        }

        /* 总览卡 */
        .overview-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
        }
        .benefit-icon-card {
            background: rgba(255, 255, 255, .045);
            border: 1px solid rgba(255, 255, 255, .09);
            border-radius: 16px;
            padding: 22px;
            display: flex;
            gap: 14px;
            transition: var(--transition);
        }
        .benefit-icon-card:hover {
            background: rgba(28, 110, 243, .1);
            border-color: rgba(53, 208, 255, .35);
            transform: translateY(-3px);
        }
        .benefit-icon-card .card-icon {
            width: 42px;
            height: 42px;
            flex-shrink: 0;
            background: linear-gradient(135deg, rgba(28, 110, 243, .2), rgba(53, 208, 255, .2));
            border: 1px solid rgba(53, 208, 255, .25);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-size: 18px;
        }
        .benefit-icon-card h3 {
            font-size: 16px;
            color: #fff;
            margin: 0 0 5px;
        }
        .benefit-icon-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* 核心权益图文行 */
        .core-rows {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .core-row {
            display: flex;
            align-items: center;
            gap: 18px;
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 16px;
            padding: 16px;
            transition: var(--transition);
        }
        .core-row:hover {
            border-color: rgba(53, 208, 255, .35);
        }
        .core-row .core-icons {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(28, 110, 243, .25), rgba(53, 208, 255, .22));
            color: var(--cyan);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .core-row .core-text {
            flex: 1;
        }
        .core-row .core-text strong {
            display: block;
            color: #e8f1ff;
            font-size: 15px;
            margin-bottom: 2px;
        }
        .core-row .core-text span {
            color: var(--text-sub);
            font-size: 13px;
            line-height: 1.6;
        }
        .core-badge {
            flex-shrink: 0;
            background: rgba(53, 208, 255, .12);
            border: 1px solid rgba(53, 208, 255, .25);
            color: var(--cyan);
            border-radius: 999px;
            font-size: 12px;
            padding: 5px 12px;
            text-align: center;
            white-space: nowrap;
        }

        /* 等级表格 */
        .level-rows {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .level-row {
            display: grid;
            grid-template-columns: 94px 1fr;
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 16px;
            padding: 16px 18px;
            gap: 16px;
            align-items: center;
        }
        .level-label {
            text-align: center;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .10);
            border-radius: 14px;
            padding: 14px 8px;
        }
        .level-label .lv-no {
            font-size: 20px;
            font-weight: 800;
            display: block;
            line-height: 1.2;
            background: linear-gradient(135deg, #dff1ff, #80b5ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .level-row.lv-hot .level-label {
            background: rgba(123, 97, 255, .15);
            border-color: rgba(123, 97, 255, .4);
            box-shadow: 0 0 18px rgba(123, 97, 255, .14);
        }
        .level-row.lv-hot .lv-no {
            background: linear-gradient(135deg, #ead8ff, #9c7dff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .level-row.lv-top .level-label {
            background: linear-gradient(135deg, rgba(217, 169, 98, .18), rgba(123, 97, 255, .12));
            border-color: rgba(217, 169, 98, .45);
        }
        .level-row.lv-top .lv-no {
            background: linear-gradient(135deg, #ffe9bd, #d9a962);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .level-info {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }
        .level-info h3 {
            width: 100%;
            margin: 0;
            color: #fff;
            font-size: 16px;
        }
        .level-info h3 small {
            color: var(--text-muted);
            font-weight: 400;
            font-size: 13px;
            margin-left: 10px;
        }
        .level-info p {
            width: 100%;
            margin: 0;
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
        }
        .level-meta-tag {
            font-size: 13px;
            color: var(--text-sub);
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            padding: 6px 14px;
            border-radius: 999px;
            display: inline-block;
        }
        .progress-wrap {
            grid-column: 1 / -1;
            margin-top: 2px;
        }
        .progress-meta {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .progress-line {
            height: 8px;
            background: rgba(255, 255, 255, .07);
            border-radius: 999px;
            position: relative;
            overflow: visible;
        }
        .progress-line i {
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--primary), var(--cyan));
            box-shadow: 0 0 11px rgba(53, 208, 255, .4);
            width: var(--progress, 20%);
            display: block;
        }

        /* 服务流程 */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 16px;
        }
        .flow-step {
            position: relative;
            background: rgba(255, 255, 255, .045);
            border: 1px solid rgba(255, 255, 255, .09);
            border-radius: 18px;
            padding: 24px 16px 18px;
            text-align: center;
            transition: var(--transition);
        }
        .flow-step:hover {
            border-color: rgba(53, 208, 255, .45);
            transform: translateY(-4px);
        }
        .flow-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            font-weight: 800;
            font-size: 16px;
            box-shadow: 0 0 18px rgba(53, 208, 255, .35);
            margin-bottom: 12px;
        }
        .flow-step.step-alt:nth-child(2) .step-number {
            background: linear-gradient(135deg, var(--primary), var(--violet));
        }
        .flow-step.step-alt:nth-child(3) .step-number {
            background: linear-gradient(135deg, var(--violet), var(--amber));
        }
        .flow-step h4 {
            color: #fff;
            font-size: 15px;
            margin: 0 0 6px;
        }
        .flow-step p {
            font-size: 13px;
            color: var(--text-sub);
            margin: 0;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .09);
            border-radius: 16px;
            overflow: hidden;
            transition: border-color .25s ease;
        }
        .faq-item.open {
            border-color: rgba(53, 208, 255, .35);
        }
        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 22px;
            width: 100%;
            text-align: left;
            font-size: 15px;
            color: #e8f1ff;
            font-weight: 600;
            line-height: 1.6;
        }
        .faq-q:hover {
            color: var(--cyan);
        }
        .faq-q i {
            color: var(--cyan);
            margin-left: 16px;
            flex-shrink: 0;
            transition: transform .3s ease;
        }
        .faq-item.open .faq-q i {
            transform: rotate(45deg);
        }
        .faq-a {
            display: none;
            padding: 0 22px 20px 22px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.9;
            border-top: 1px solid rgba(255, 255, 255, .05);
            margin-top: 0;
        }
        .faq-a p {
            margin: 12px 0 0;
        }
        .faq-item.open .faq-a {
            display: block;
            animation: fadeSlide .25s ease;
        }
        @keyframes fadeSlide {
            from { opacity: 0; transform: translateY(-6px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* 套餐 */
        .plan-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
            align-items: stretch;
        }
        .plan-card {
            background: rgba(255, 255, 255, .045);
            border: 1px solid rgba(255, 255, 255, .10);
            border-radius: 20px;
            padding: 28px 24px 24px;
            display: flex;
            flex-direction: column;
            position: relative;
            transition: var(--transition);
            text-align: center;
        }
        .plan-card:hover {
            transform: translateY(-5px);
            border-color: rgba(123, 97, 255, .4);
        }
        .plan-card .plan-tag {
            position: absolute;
            top: -13px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 12px;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 999px;
            padding: 4px 12px;
            color: var(--text-sub);
            white-space: nowrap;
        }
        .plan-card.popular {
            background: linear-gradient(160deg, rgba(123, 97, 255, .14), rgba(53, 208, 255, .06));
            border: 1px solid rgba(123, 97, 255, .4);
            box-shadow: 0 18px 42px rgba(18, 34, 65, .45), 0 0 30px rgba(123, 97, 255, .14);
            transform: translateY(-4px);
        }
        .plan-card.popular:hover {
            transform: translateY(-8px);
        }
        .plan-card.popular .plan-tag {
            background: linear-gradient(135deg, var(--violet), var(--primary));
            border-color: transparent;
            color: #fff;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(123, 97, 255, .3);
        }
        .plan-card h3 {
            font-size: 18px;
            color: #fff;
            margin: 0 0 10px;
            padding-top: 8px;
        }
        .plan-price {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            margin-bottom: 6px;
        }
        .plan-price span {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-muted);
            margin-left: 2px;
        }
        .plan-origin {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
        }
        .plan-list {
            list-style: none;
            margin: 0 0 24px;
            padding: 0 8px;
            text-align: left;
            flex: 1;
        }
        .plan-list li {
            position: relative;
            padding: 6px 0 6px 24px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }
        .plan-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 7px;
            font-size: 12px;
            color: var(--cyan);
        }
        .plan-btn {
            width: 100%;
            height: 44px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .13);
            color: var(--text-main);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
        }
        .plan-btn:hover {
            border-color: var(--cyan);
            color: var(--cyan);
        }
        .plan-card.popular .plan-btn {
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            border: none;
            box-shadow: var(--glow);
        }
        .plan-card.popular .plan-btn:hover {
            box-shadow: 0 0 24px rgba(53, 208, 255, .5);
        }
        .safe-info {
            margin-top: 14px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            padding: 10px 14px;
            background: rgba(255, 255, 255, .03);
            border-radius: 10px;
            border-left: 3px solid var(--cyan);
        }
        .safe-info i {
            color: var(--cyan);
        }

        /* footer */
        .site-footer {
            background: #080e1d;
            border-top: 1px solid rgba(255, 255, 255, .07);
            margin-top: 42px;
            padding: 52px 0 0;
            position: relative;
            z-index: 2;
        }
        .footer-inner-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 34px;
            padding-bottom: 34px;
        }
        .footer-brand-col .brand-logo {
            margin-bottom: 14px;
        }
        .footer-brand-desc {
            color: var(--text-sub);
            font-size: 14px;
            max-width: 380px;
            margin-bottom: 18px;
            line-height: 1.8;
        }
        .footer-services-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-services-row span {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .09);
            color: var(--text-sub);
            border-radius: 999px;
            font-size: 13px;
            padding: 6px 14px;
            transition: var(--transition);
        }
        .footer-services-row span:hover {
            border-color: rgba(53, 208, 255, .35);
            color: var(--cyan);
        }
        .footer-link-col h4 {
            color: #fff;
            font-size: 16px;
            margin: 0 0 16px;
            font-weight: 600;
        }
        .footer-link-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-link-col li {
            margin-bottom: 8px;
        }
        .footer-link-col a {
            color: var(--text-sub);
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-link-col a i {
            font-size: 10px;
            color: var(--text-muted);
        }
        .footer-link-col a:hover {
            color: var(--cyan);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding: 18px 0;
        }
        .footer-bottom .grid-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-copyright {
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-copyright i {
            margin-right: 4px;
        }
        .footer-bottom .grid-container>div:last-child {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* 响应式 */
        @media screen and (max-width: 1023px) {
            .hero-title {
                font-size: 34px;
            }
            .category-bar-inner {
                display: none;
                flex-direction: column;
                align-items: stretch;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(8, 14, 29, .95);
                backdrop-filter: blur(18px);
                padding: 14px 24px 22px;
                border-bottom: 1px solid rgba(255, 255, 255, .08);
                box-shadow: 0 24px 40px rgba(0, 0, 0, .4);
            }
            .site-header.drawer-open .category-bar-inner {
                display: flex;
            }
            .mobile-menu-btn {
                display: inline-flex;
            }
            .category-bar {
                position: relative;
            }
            .channel-menu {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
            }
            .channel-menu .nav-link {
                height: 46px;
                border-bottom: 1px solid rgba(255, 255, 255, .05);
                color: var(--text-sub);
            }
            .channel-menu .nav-link::after {
                display: none;
            }
            .channel-menu .nav-link.active {
                color: #fff;
                background: rgba(28, 110, 243, .16);
                border-radius: 8px;
                padding-left: 12px;
            }
            .nav-search {
                justify-content: flex-start;
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                margin-top: 12px;
            }
            .search-inline {
                width: 100%;
            }
            .search-inline:focus-within {
                width: 100%;
            }
            .nav-trend {
                margin: 0 0 6px;
            }
            .manual-layout {
                flex-direction: column;
            }
            .manual-toc {
                width: 100%;
                position: static;
            }
            .toc-card {
                padding: 18px;
            }
            .manual-toc-links {
                display: flex;
                flex-wrap: wrap;
            }
            .manual-toc-links a {
                width: auto;
            }
            .footer-inner-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media screen and (max-width: 767px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .toolbar-inner {
                min-height: 58px;
            }
            .brand-text {
                font-size: 18px;
            }
            .brand-badge-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
            .login-link {
                display: none;
            }
            .page-hero {
                padding: 38px 0 50px;
            }
            .hero-inner {
                flex-direction: column;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-visual {
                width: 100%;
                margin-top: 8px;
            }
            .hero-visual .visual-frame img {
                height: 220px;
            }
            .visual-card-meta {
                left: 12px;
                bottom: 12px;
                padding: 10px 14px;
            }
            .manual-block {
                padding: 24px 18px;
                border-radius: 16px;
            }
            .manual-block-head {
                flex-direction: column;
                gap: 10px;
            }
            .overview-grid {
                grid-template-columns: 1fr;
            }
            .benefit-icon-card {
                padding: 18px;
            }
            .core-row {
                flex-wrap: wrap;
            }
            .flow-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .flow-step {
                padding: 18px 12px 14px;
            }
            .plan-grid {
                grid-template-columns: 1fr;
            }
            .plan-card.popular {
                transform: translateY(0);
            }
            .plan-card.popular:hover {
                transform: translateY(-3px);
            }
            .level-row {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .level-label {
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 8px;
                padding: 10px;
            }
            .level-label .lv-no {
                font-size: 17px;
            }
            .footer-inner-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom .grid-container {
                flex-direction: column;
                text-align: center;
            }
            .footer-services-row span {
                font-size: 12px;
            }
        }
        @media screen and (max-width: 520px) {
            .btn-header-cta {
                padding: 0 14px;
                height: 34px;
                font-size: 13px;
            }
            .hero-actions .button.btn-main,
            .hero-actions .button.btn-ghost {
                width: calc(50% - 7px);
                padding: 0 8px;
                font-size: 14px;
            }
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .level-meta-tag {
                width: auto;
            }
            .level-info p {
                font-size: 13px;
            }
            .core-badge {
                display: none;
            }
        }
        @media screen and (max-width: 639px) {
            .overview-grid {
                grid-template-columns: 1fr;
            }
            .level-row {
                padding: 14px;
            }
            .level-info h3 small {
                display: block;
                margin-left: 0;
                margin-top: 4px;
            }
        }