/* roulang page: index */
:root {
    --bg-dark: #0a0e17;
    --bg-panel: #0f1522;
    --bg-card: rgba(17, 25, 39, 0.76);
    --bg-card-solid: #131c2c;
    --gold: #e8b45a;
    --gold-bright: #fbc56e;
    --gold-dark: #c8953a;
    --cyan: #46c2e8;
    --cyan-bright: #7cd8f2;
    --text-main: #e7ecf4;
    --text-sub: #94a2bb;
    --text-dim: #5d6b85;
    --line: rgba(255, 255, 255, 0.07);
    --line-gold: rgba(232, 180, 90, 0.22);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-card: 0 14px 38px rgba(0, 0, 0, 0.32);
    --shadow-gold: 0 8px 26px rgba(232, 180, 90, 0.32);
    --nav-w: 220px;
    --nav-w-sm: 72px;
    --section-space: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-main);
    font-size: 15px;
    line-height: 1.8;
    letter-spacing: 0.2px;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--cyan);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--gold);
}

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
    border-radius: 4px;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.13);
    border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(232, 180, 90, 0.4);
}

/* Layout */
.page-wrapper {
    min-height: 100vh;
    position: relative;
}

.side-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--nav-w);
    height: 100vh;
    background: linear-gradient(180deg, #0c1120 0%, #090d16 100%);
    border-right: 1px solid var(--line);
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: width 0.25s ease;
}

.main-wrap {
    margin-left: var(--nav-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container-custom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
    width: 100%;
}

/* Side navigation */
.nav-brand {
    padding: 32px 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    border-bottom: 1px solid var(--line);
}

.nav-brand .logo-main {
    font-size: 25px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: 3px;
    line-height: 1.2;
}

.nav-brand .logo-sub {
    font-size: 12px;
    color: var(--text-sub);
    letter-spacing: 2px;
    margin-top: 2px;
}

.nav-list {
    flex: 1;
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-sub);
    position: relative;
    transition: all 0.25s ease;
}

.nav-item i {
    font-size: 16px;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.nav-item:hover {
    color: var(--gold);
    background: rgba(232, 180, 90, 0.06);
}

.nav-item.active {
    color: var(--gold);
    background: rgba(232, 180, 90, 0.1);
    box-shadow: inset 0 0 18px rgba(232, 180, 90, 0.04);
}

.nav-item.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 18%;
    height: 64%;
    width: 4px;
    border-radius: 2px;
    background: var(--gold);
    box-shadow: 0 0 12px rgba(232, 180, 90, 0.5);
}

.nav-foot {
    padding: 20px 24px;
    border-top: 1px solid var(--line);
}

.nav-foot .copyright {
    font-size: 12px;
    color: var(--text-dim);
    line-height: 1.7;
    letter-spacing: 0.5px;
}

/* Mobile header */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(10, 14, 23, 0.82);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1050;
}

.mobile-logo {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.mobile-logo .logo-main {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--text-main);
}

.mobile-logo .logo-sub {
    font-size: 10px;
    color: var(--text-sub);
    letter-spacing: 1px;
}

.menu-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: 8px;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--text-main);
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 23, 0.97);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    z-index: 1049;
    padding: 36px 28px;
    flex-direction: column;
    gap: 18px;
}

.mobile-menu.open {
    display: flex;
}

.mobile-menu a {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-main);
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    position: relative;
    display: flex;
    align-items: center;
}

.mobile-menu a:hover {
    color: var(--gold);
}

.mobile-menu a.active {
    color: var(--gold);
}

.mobile-menu a.active::before {
    content: "";
    position: absolute;
    left: -14px;
    top: 20%;
    height: 60%;
    width: 4px;
    border-radius: 2px;
    background: var(--gold);
}

/* Buttons */
.btn-main {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--gold-bright), var(--gold-dark));
    color: #1a1308;
    font-size: 15px;
    font-weight: 700;
    padding: 13px 34px;
    border-radius: 30px;
    box-shadow: 0 6px 22px rgba(232, 180, 90, 0.35);
    border: none;
    transition: all 0.25s ease;
    letter-spacing: 0.5px;
}

.btn-main:hover {
    background: linear-gradient(135deg, #ffd27e, #e8a84a);
    color: #1a1308;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(232, 180, 90, 0.45);
}

.btn-main:active {
    transform: translateY(0);
    box-shadow: 0 4px 14px rgba(232, 180, 90, 0.3);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-main);
    font-size: 15px;
    font-weight: 500;
    padding: 12px 32px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.25s ease;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(232, 180, 90, 0.5);
    color: var(--gold);
    transform: translateY(-2px);
}

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

/* Glass card */
.glass-card {
    background: var(--bg-card);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--line-gold);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: all 0.25s ease;
}

.glass-card:hover {
    transform: translateY(-3px);
    border-color: rgba(232, 180, 90, 0.4);
    box-shadow: var(--shadow-gold);
}

/* Section */
.section {
    padding: var(--section-space) 0;
    position: relative;
}

.section-alt {
    background: var(--bg-panel);
}

.section-title-wrap {
    margin-bottom: 42px;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 8px;
}

.section-title::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 26px;
    border-radius: 3px;
    background: var(--gold);
    box-shadow: 0 0 10px rgba(232, 180, 90, 0.4);
}

.section-subtitle {
    font-size: 15px;
    color: var(--text-sub);
    padding-left: 20px;
    letter-spacing: 0.3px;
}

/* Hero */
.hero {
    position: relative;
    padding: calc(var(--section-space) + 20px) 0 var(--section-space);
    background-image: linear-gradient(to right, rgba(10, 14, 23, 0.94), rgba(10, 14, 23, 0.72)), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--line);
    overflow: hidden;
}

.hero-inner {
    display: flex;
    align-items: center;
    gap: 48px;
}

.hero-text {
    flex: 1.1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(232, 180, 90, 0.12);
    border: 1px solid rgba(232, 180, 90, 0.3);
    color: var(--gold);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: 30px;
    margin-bottom: 22px;
    letter-spacing: 0.5px;
}

.hero-badge i {
    font-size: 14px;
}

.hero h1 {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: 2px;
    color: var(--text-main);
    margin-bottom: 18px;
    position: relative;
    padding-left: 22px;
}

.hero h1::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8%;
    height: 84%;
    width: 4px;
    border-radius: 2px;
    background: var(--gold);
    box-shadow: 0 0 14px rgba(232, 180, 90, 0.4);
}

.hero-tags {
    font-size: 16px;
    color: var(--text-sub);
    margin-bottom: 30px;
    letter-spacing: 1px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
    align-items: center;
}

.hero-tags span.sep {
    color: var(--gold);
    opacity: 0.6;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 34px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 30px;
}

.trust-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-main);
    font-size: 14px;
    font-weight: 500;
}

.trust-item i {
    color: var(--gold);
    font-size: 15px;
}

.hero-figure {
    flex: 0.9;
    position: relative;
}

.hero-figure .hero-img-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
    border: 1px solid var(--line-gold);
    background: var(--bg-card-solid);
    position: relative;
}

.hero-figure img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.hero-figure:hover img {
    transform: scale(1.03);
}

.hero-figure .hero-img-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gold);
    color: #1a1308;
    font-size: 12px;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(232, 180, 90, 0.4);
    letter-spacing: 0.5px;
}

/* Benefit table */
.benefit-table-wrap {
    overflow-x: auto;
}

.benefit-table {
    width: 100%;
    min-width: 860px;
    border-collapse: separate;
    border-spacing: 0;
    background: transparent;
    color: var(--text-main);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.benefit-table thead th {
    background: rgba(255, 255, 255, 0.035);
    padding: 20px 22px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    border-bottom: 1px solid var(--line);
    text-align: center;
    vertical-align: middle;
}

.benefit-table thead th.hot-col {
    background: rgba(232, 180, 90, 0.08);
    position: relative;
}

.benefit-table thead th.hot-col .rec-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--gold);
    color: #1a1308;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 14px;
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}

.benefit-table tbody td {
    padding: 18px 22px;
    border-bottom: 1px solid var(--line);
    text-align: center;
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.7;
    vertical-align: middle;
}

.benefit-table tbody td:first-child {
    text-align: left;
    font-weight: 600;
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.02);
}

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

.benefit-table tbody td.hot-col {
    background: rgba(232, 180, 90, 0.05);
    border-left: 1px solid rgba(232, 180, 90, 0.18);
    border-right: 1px solid rgba(232, 180, 90, 0.18);
    color: var(--text-main);
}

.benefit-table tbody tr:last-child td.hot-col {
    border-bottom: 1px solid rgba(232, 180, 90, 0.18);
}

.benefit-table tbody tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.benefit-table tbody tr:hover td.hot-col {
    background: rgba(232, 180, 90, 0.08);
}

.table-hot-glow {
    box-shadow: 0 0 24px rgba(232, 180, 90, 0.12);
}

.benefit-cta-wrap {
    text-align: center;
    margin-top: 32px;
}

/* Level cards */
.level-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.level-card {
    padding: 32px 28px;
    position: relative;
    overflow: hidden;
}

.level-card .level-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 20px;
    background: rgba(232, 180, 90, 0.12);
    border: 1px solid rgba(232, 180, 90, 0.3);
    color: var(--gold);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.level-card .level-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(70, 194, 232, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--cyan);
    margin-bottom: 20px;
    transition: all 0.25s ease;
}

.level-card:hover .level-icon {
    background: rgba(70, 194, 232, 0.2);
    color: var(--cyan-bright);
}

.level-card h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
}

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

.level-data {
    font-size: 26px;
    font-weight: 800;
    color: var(--gold);
    letter-spacing: 1px;
}

.level-data .level-data-label {
    font-size: 13px;
    color: var(--text-dim);
    font-weight: 400;
    margin-left: 6px;
}

/* VIP preview */
.vip-section {
    background: linear-gradient(to bottom, var(--bg-dark), var(--bg-panel));
}

.vip-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
}

.vip-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.vip-item {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    transition: all 0.25s ease;
}

.vip-item:hover {
    border-color: rgba(232, 180, 90, 0.35);
    transform: translateX(4px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.vip-item .vip-item-info {
    flex: 1;
}

.vip-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 4px;
}

.vip-item .vip-item-time {
    font-size: 12px;
    color: var(--text-dim);
}

.vip-lock {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-sub);
    background: rgba(70, 194, 232, 0.1);
    border: 1px solid rgba(70, 194, 232, 0.2);
    padding: 5px 14px;
    border-radius: 20px;
    white-space: nowrap;
}

.vip-lock i {
    color: var(--cyan);
    font-size: 13px;
}

.vip-cover-wrap {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 46px rgba(0, 0, 0, 0.42);
    border: 1px solid var(--line-gold);
    background: var(--bg-card-solid);
}

.vip-cover-wrap img {
    width: 100%;
    height: 360px;
    object-fit: cover;
}

.vip-cover-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--gold);
    color: #1a1308;
    font-size: 13px;
    font-weight: 700;
    padding: 5px 16px;
    border-radius: 20px;
    box-shadow: 0 4px 14px rgba(232, 180, 90, 0.35);
    letter-spacing: 1px;
}

.vip-cover-mask {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px 24px 22px;
    background: linear-gradient(to top, rgba(10, 14, 23, 0.92), transparent);
}

.vip-cover-mask p {
    font-size: 14px;
    color: var(--text-main);
    font-weight: 500;
    margin-bottom: 4px;
}

.vip-cover-mask span {
    font-size: 12px;
    color: var(--text-sub);
}

/* News grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.news-card .card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 14px;
}

.tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    color: var(--cyan);
    background: rgba(70, 194, 232, 0.08);
    border: 1px solid rgba(70, 194, 232, 0.2);
    padding: 3px 12px;
    border-radius: 14px;
    letter-spacing: 0.5px;
    white-space: nowrap;
    transition: border-color 0.2s ease;
}

.tag:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.news-card .time {
    font-size: 12px;
    color: var(--text-dim);
    white-space: nowrap;
}

.news-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 51px;
    transition: color 0.2s ease;
}

.news-card h3 a {
    color: inherit;
}

.news-card h3 a:hover {
    color: var(--gold);
}

.news-card .news-summary {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 18px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card .read-more {
    font-size: 14px;
    font-weight: 500;
    color: var(--cyan);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.news-card .read-more:hover {
    color: var(--gold);
    gap: 10px;
}

.empty-list {
    grid-column: 1 / -1;
    text-align: center;
    padding: 46px 20px;
    color: var(--text-sub);
    font-size: 15px;
    background: var(--bg-card);
    border: 1px dashed rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
}

/* FAQ */
.faq-wrap {
    max-width: 860px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--line-gold);
    border-radius: var(--radius-lg);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-card);
    padding: 10px 0;
}

.faq-item {
    border-bottom: 1px solid var(--line);
    transition: background 0.2s ease;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-q {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 28px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    position: relative;
    transition: color 0.25s ease;
    user-select: none;
}

.faq-q .q-mark {
    font-size: 18px;
    font-weight: 800;
    color: var(--gold);
    line-height: 1.4;
    flex-shrink: 0;
}

.faq-q .fa-chevron-down {
    margin-left: auto;
    align-self: center;
    font-size: 14px;
    color: var(--text-sub);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-q {
    color: var(--gold);
}

.faq-item.active .faq-q .fa-chevron-down {
    transform: rotate(180deg);
    color: var(--gold);
}

.faq-a {
    display: none;
    padding: 0 28px 22px;
    font-size: 14.5px;
    color: var(--text-sub);
    line-height: 1.85;
    animation: fadeIn 0.3s ease;
}

.faq-item.active .faq-a {
    display: block;
}

.faq-a .a-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(70, 194, 232, 0.15);
    color: var(--cyan);
    font-size: 12px;
    font-weight: 700;
    margin-right: 8px;
    vertical-align: 2px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* CTA banner */
.cta-banner {
    background-image: linear-gradient(to top, rgba(10, 14, 23, 0.9), rgba(10, 14, 23, 0.84)), url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    text-align: center;
    padding: 70px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line-gold);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(232, 180, 90, 0.06), transparent 70%);
    pointer-events: none;
}

.cta-banner h2 {
    font-size: 30px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: 2px;
    margin-bottom: 14px;
}

.cta-banner p {
    font-size: 15px;
    color: var(--text-sub);
    margin-bottom: 30px;
}

.cta-banner .btn-main {
    font-size: 16px;
    padding: 15px 48px;
}

.cta-banner .btn-main i {
    font-size: 15px;
}

.cta-hint {
    display: block;
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-dim);
}

/* Footer */
.site-footer {
    background: #070b12;
    border-top: 1px solid var(--line);
    margin-top: auto;
    padding: 50px 0 0;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr;
    gap: 40px;
    padding-bottom: 36px;
}

.footer-brand .logo-main {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: 3px;
    display: block;
    margin-bottom: 4px;
}

.footer-brand .logo-sub {
    font-size: 12px;
    color: var(--text-sub);
    letter-spacing: 2px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.8;
    margin-top: 16px;
    max-width: 360px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--text-sub);
    transition: all 0.2s ease;
}

.footer-col ul li a:hover {
    color: var(--gold);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--line);
    padding: 18px 0;
    text-align: center;
}

.footer-bottom .copyright {
    font-size: 13px;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

/* Responsive */
@media (max-width: 1200px) {
    :root {
        --section-space: 64px;
    }
    .side-nav {
        width: var(--nav-w-sm);
    }
    .main-wrap {
        margin-left: var(--nav-w-sm);
    }
    .nav-brand {
        padding: 24px 14px 16px;
        text-align: center;
    }
    .nav-brand .logo-sub {
        display: none;
    }
    .nav-list {
        padding: 16px 8px;
    }
    .nav-item {
        justify-content: center;
        padding: 13px 0;
    }
    .nav-item span.nav-text {
        display: none;
    }
    .nav-item::before {
        display: block !important;
        top: 20% !important;
        height: 60% !important;
    }
    .nav-foot {
        display: none;
    }
    .side-nav:hover {
        width: var(--nav-w);
        box-shadow: 8px 0 30px rgba(0, 0, 0, 0.4);
    }
    .side-nav:hover .nav-brand {
        text-align: left;
        padding: 32px 24px 20px;
    }
    .side-nav:hover .nav-brand .logo-sub {
        display: block;
    }
    .side-nav:hover .nav-list {
        padding: 20px 12px;
    }
    .side-nav:hover .nav-item {
        justify-content: flex-start;
        padding: 12px 16px;
    }
    .side-nav:hover .nav-item span.nav-text {
        display: inline;
    }
    .side-nav:hover .nav-foot {
        display: block;
    }
    .hero-figure {
        flex: 0.8;
    }
    .hero h1 {
        font-size: 34px;
    }
    .hero-figure img {
        height: 320px;
    }
}

@media (max-width: 992px) {
    .hero-inner {
        gap: 24px;
    }
    .hero-figure {
        flex: 0.7;
    }
    .hero-figure img {
        height: 280px;
    }
    .vip-layout {
        grid-template-columns: 1fr;
    }
    .vip-cover-wrap img {
        height: 300px;
    }
    .level-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    .level-card {
        padding: 24px 18px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-space: 48px;
    }
    .side-nav {
        display: none;
    }
    .main-wrap {
        margin-left: 0;
    }
    .mobile-header {
        display: flex;
    }
    .main-wrap > main {
        padding-top: 60px;
    }
    .container-custom {
        padding: 0 20px;
    }
    .hero {
        padding: 40px 0 48px;
    }
    .hero-inner {
        flex-direction: column;
        gap: 28px;
    }
    .hero-text {
        width: 100%;
    }
    .hero h1 {
        font-size: 30px;
        padding-left: 16px;
    }
    .hero-tags {
        font-size: 14px;
    }
    .hero-figure {
        width: 100%;
        max-width: 400px;
    }
    .hero-figure img {
        height: 240px;
    }
    .section-title {
        font-size: 23px;
    }
    .section-title::before {
        height: 22px;
    }
    .level-grid {
        grid-template-columns: 1fr;
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
    .vip-layout {
        grid-template-columns: 1fr;
    }
    .cta-banner {
        padding: 48px 20px;
    }
    .cta-banner h2 {
        font-size: 24px;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .faq-q {
        padding: 18px 18px;
        font-size: 15px;
    }
    .faq-a {
        padding: 0 18px 18px;
    }
    .hero-trust {
        gap: 10px 20px;
    }
    .vip-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .vip-lock {
        align-self: flex-start;
    }
}

@media (max-width: 520px) {
    .hero h1 {
        font-size: 26px;
        letter-spacing: 1px;
    }
    .hero-tags {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    .hero-tags span.sep {
        display: none;
    }
    .hero-cta {
        flex-direction: column;
    }
    .hero-cta .btn-main,
    .hero-cta .btn-ghost {
        width: 100%;
        text-align: center;
    }
    .btn-main,
    .btn-ghost {
        padding: 12px 24px;
        font-size: 14px;
    }
    .section-title {
        font-size: 21px;
        gap: 10px;
    }
    .news-card {
        padding: 20px;
    }
    .level-card {
        padding: 22px 18px;
    }
    .vip-cover-wrap img {
        height: 220px;
    }
    .cta-banner .btn-main {
        padding: 13px 36px;
        font-size: 15px;
    }
}

/* roulang page: article */
:root {
            --bg-primary: #0a1120;
            --bg-secondary: #0f1a2e;
            --bg-sidebar: #0b1424;
            --bg-card: rgba(18, 29, 50, 0.72);
            --bg-card-light: rgba(15, 25, 44, 0.68);
            --gold: #e8b44a;
            --gold-light: #f5cf6e;
            --gold-glow: rgba(232, 180, 74, 0.35);
            --cyan: #5fc9e8;
            --text-primary: #eef2f7;
            --text-secondary: #a8b6c7;
            --text-muted: #6b7d93;
            --border-glass: rgba(232, 180, 74, 0.18);
            --border-line: rgba(255, 255, 255, 0.07);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-deep: 0 24px 60px rgba(0, 0, 0, 0.42);
            --shadow-card: 0 14px 36px rgba(0, 0, 0, 0.32);
            --shadow-gold: 0 0 24px rgba(232, 180, 74, 0.28);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 15% 10%, rgba(37, 62, 105, 0.28) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 80%, rgba(47, 68, 110, 0.18) 0%, transparent 50%);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--gold);
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 顶部移动端导航栏 ===== */
        .topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: rgba(10, 17, 32, 0.86);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-line);
            z-index: 1050;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }

        .topbar-brand {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
        }

        .topbar-brand .brand-main {
            font-size: 18px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 2px;
        }

        .topbar-brand .brand-sub {
            font-size: 10px;
            color: var(--text-secondary);
            margin-top: 3px;
            letter-spacing: 1px;
        }

        .hamburger {
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            border-radius: 8px;
            transition: var(--transition);
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 3px;
            transition: var(--transition);
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== 移动端全屏菜单 ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: rgba(10, 17, 32, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(232, 180, 74, 0.22);
            padding: 12px 20px 18px;
            z-index: 1045;
            transform: translateY(-110%);
            transition: transform 0.35s ease;
        }

        .mobile-menu.open {
            transform: translateY(0);
        }

        .mobile-nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 8px;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
            position: relative;
        }

        .mobile-nav-item:last-child {
            border-bottom: none;
        }

        .mobile-nav-item i {
            color: var(--cyan);
            width: 22px;
            text-align: center;
            font-size: 17px;
        }

        .mobile-nav-item:hover,
        .mobile-nav-item.active {
            color: var(--gold);
            padding-left: 14px;
        }

        .mobile-nav-item.active i {
            color: var(--gold);
        }

        .mobile-nav-item.active {
            box-shadow: inset 3px 0 0 var(--gold);
        }

        /* ===== 左侧竖向导航 ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 220px;
            height: 100vh;
            background: linear-gradient(180deg, #0b1424 0%, #0d1a30 100%);
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            transition: width 0.3s ease;
            overflow: hidden;
        }

        .sidebar-brand {
            padding: 30px 22px 22px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            white-space: nowrap;
        }

        .sidebar-brand .brand-main {
            display: block;
            font-size: 24px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 3px;
            line-height: 1.2;
        }

        .sidebar-brand .brand-sub {
            display: block;
            font-size: 11px;
            color: var(--text-secondary);
            letter-spacing: 2px;
            margin-top: 6px;
            line-height: 1.2;
        }

        .nav-list {
            flex: 1;
            padding: 20px 0;
            overflow-y: auto;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 22px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
            border-left: 3px solid transparent;
        }

        .nav-item i {
            width: 22px;
            text-align: center;
            font-size: 16px;
            color: var(--cyan);
            transition: var(--transition);
        }

        .nav-item:hover {
            color: var(--gold);
            background: rgba(232, 180, 74, 0.05);
        }

        .nav-item:hover i {
            color: var(--gold);
        }

        .nav-item.active {
            color: var(--gold);
            background: rgba(232, 180, 74, 0.07);
            border-left: 3px solid var(--gold);
            box-shadow: inset 0 0 24px rgba(232, 180, 74, 0.06);
            text-shadow: 0 0 12px rgba(232, 180, 74, 0.35);
        }

        .nav-item.active i {
            color: var(--gold);
            filter: drop-shadow(0 0 6px rgba(232, 180, 74, 0.5));
        }

        .sidebar-foot {
            padding: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 11px;
            color: var(--text-muted);
            line-height: 1.7;
            white-space: nowrap;
        }

        /* ===== 内容区 ===== */
        .content {
            margin-left: 220px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .main {
            flex: 1;
            padding: 44px 24px 80px;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-glass {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid var(--border-glass);
            border-radius: 30px;
            padding: 8px 20px;
            font-size: 13px;
            color: var(--text-secondary);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            max-width: 100%;
            flex-wrap: wrap;
        }

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

        .breadcrumb-glass a:hover {
            color: var(--gold);
        }

        .breadcrumb-glass .sep {
            color: var(--text-muted);
            font-size: 11px;
        }

        .breadcrumb-here {
            color: var(--text-primary);
            max-width: 280px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            font-weight: 500;
        }

        /* ===== 文章标题区 ===== */
        .article-header {
            max-width: 900px;
            margin: 0 auto 36px;
            padding-top: 12px;
        }

        .article-title-wrap {
            margin-top: 30px;
            padding-left: 18px;
            border-left: 4px solid var(--gold);
        }

        .article-title-wrap h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            letter-spacing: 1px;
            margin: 0 0 16px;
            word-break: break-word;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            color: var(--text-muted);
            font-size: 13px;
        }

        .article-meta .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(95, 201, 232, 0.1);
            border: 1px solid rgba(95, 201, 232, 0.28);
            color: var(--cyan);
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .meta-item i {
            font-size: 13px;
            color: var(--gold);
        }

        /* ===== 正文阅读卡片 ===== */
        .article-card {
            max-width: 880px;
            margin: 0 auto;
            background: linear-gradient(145deg, rgba(18, 29, 50, 0.82), rgba(12, 21, 38, 0.9));
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 50px 58px;
            box-shadow: var(--shadow-deep);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .article-content {
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.9;
        }

        .article-content > p:first-of-type {
            font-size: 18px;
            color: #dbe4f0;
            line-height: 1.85;
        }

        .article-content h2,
        .article-content h3 {
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .article-content h2 {
            font-size: 24px;
            margin: 38px 0 18px;
            padding-left: 14px;
            border-left: 4px solid var(--gold);
        }

        .article-content h3 {
            font-size: 19px;
            margin: 30px 0 14px;
            padding-left: 13px;
            border-left: 3px solid var(--cyan);
        }

        .article-content p {
            margin-bottom: 22px;
        }

        .article-content strong {
            color: var(--gold-light);
            font-weight: 600;
        }

        .article-content a {
            color: var(--gold);
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: rgba(232, 180, 74, 0.4);
        }

        .article-content a:hover {
            color: var(--gold-light);
            text-decoration-color: var(--gold-light);
        }

        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 26px 0;
            box-shadow: 0 14px 34px rgba(0, 0, 0, 0.4);
        }

        .article-content blockquote {
            background: rgba(232, 180, 74, 0.07);
            border-left: 3px solid var(--gold);
            border-radius: 0 14px 14px 0;
            padding: 18px 24px;
            margin: 26px 0;
            color: var(--text-secondary);
            font-size: 15px;
        }

        .article-content blockquote p {
            margin-bottom: 0;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin-bottom: 22px;
        }

        .article-content li {
            margin-bottom: 9px;
            color: #d4dce8;
        }

        .article-content li::marker {
            color: var(--gold);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 26px 0;
            font-size: 14px;
            border-radius: 12px;
            overflow: hidden;
        }

        .article-content table th {
            background: rgba(232, 180, 74, 0.15);
            color: var(--gold-light);
            font-weight: 600;
            padding: 13px 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .article-content table td {
            padding: 13px 16px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
        }

        .article-content hr {
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.09);
            margin: 34px 0;
        }

        /* ===== 标签与分享 ===== */
        .article-bottom {
            max-width: 880px;
            margin: 28px auto 0;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding-bottom: 22px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }

        .tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-secondary);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 12px;
            transition: var(--transition);
        }

        .tag:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(232, 180, 74, 0.06);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 18px;
            color: var(--text-muted);
            font-size: 13px;
        }

        .article-share a {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            font-size: 15px;
            transition: var(--transition);
        }

        .article-share a:hover {
            background: rgba(232, 180, 74, 0.12);
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
        }

        /* ===== 空状态 ===== */
        .article-empty {
            max-width: 880px;
            margin: 40px auto;
            text-align: center;
            background: rgba(15, 25, 44, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 80px 40px;
            backdrop-filter: blur(12px);
        }

        .article-empty i {
            font-size: 52px;
            color: var(--gold);
            margin-bottom: 20px;
            display: block;
            opacity: 0.7;
        }

        .article-empty h2 {
            font-size: 24px;
            color: var(--text-primary);
            margin-bottom: 12px;
            border: none;
            padding: 0;
        }

        .article-empty p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 26px;
        }

        .btn-primary-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--gold) 0%, #d99a2b 100%);
            color: #1a1406;
            font-weight: 600;
            font-size: 14px;
            padding: 13px 34px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            text-decoration: none;
            box-shadow: 0 8px 30px rgba(232, 180, 74, 0.3);
            transition: var(--transition);
        }

        .btn-primary-gold:hover {
            color: #1a1406;
            background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
            transform: translateY(-2px);
            box-shadow: 0 12px 38px rgba(232, 180, 74, 0.4);
        }

        /* ===== 相关推荐 ===== */
        .recommend-section {
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 60px 0 28px;
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .section-title::before {
            content: "";
            width: 10px;
            height: 10px;
            background: var(--gold);
            transform: rotate(45deg);
            box-shadow: 0 0 14px var(--gold-glow);
            flex-shrink: 0;
        }

        .rec-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .rec-card {
            background: var(--bg-card-light);
            border: 1px solid rgba(232, 180, 74, 0.15);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .rec-card:hover {
            transform: translateY(-4px);
            border-color: rgba(232, 180, 74, 0.45);
            box-shadow: 0 18px 44px rgba(232, 180, 74, 0.14);
        }

        .rec-cover {
            height: 150px;
            overflow: hidden;
            position: relative;
            background: linear-gradient(135deg, rgba(95, 201, 232, 0.12), rgba(232, 180, 74, 0.12));
        }

        .rec-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .rec-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .rec-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .rec-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .rec-foot {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .rec-time {
            font-size: 12px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .rec-time i {
            font-size: 11px;
            color: var(--gold);
        }

        .rec-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--cyan);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: var(--transition);
        }

        .rec-link:hover {
            color: var(--gold);
            gap: 8px;
        }

        /* ===== 返回按钮 ===== */
        .back-wrap {
            text-align: center;
            margin-top: 44px;
        }

        .btn-outline-glass {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 34px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
        }

        .btn-outline-glass:hover {
            background: rgba(232, 180, 74, 0.08);
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 180, 74, 0.12);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: rgba(8, 16, 30, 0.92);
            border-top: 1px solid rgba(232, 180, 74, 0.12);
            padding: 56px 0 24px;
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(232, 180, 74, 0.4), transparent);
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo-main {
            display: block;
            font-size: 24px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 2px;
            line-height: 1.2;
        }

        .footer-brand .logo-sub {
            display: block;
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 6px;
            letter-spacing: 1px;
        }

        .footer-brand p {
            margin-top: 16px;
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 18px;
            position: relative;
            padding-left: 12px;
        }

        .footer-col h4::before {
            content: "";
            position: absolute;
            left: 0;
            top: 5px;
            bottom: 5px;
            width: 3px;
            background: var(--gold);
            border-radius: 2px;
        }

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

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

        .footer-col ul a {
            color: var(--text-secondary);
            font-size: 14px;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--gold);
            padding-left: 4px;
        }

        .footer-col ul li:not(a) {
            color: var(--text-secondary);
            font-size: 14px;
            padding-left: 2px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-col ul li:not(a)::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--gold);
            border-radius: 50%;
            opacity: 0.6;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            justify-content: center;
        }

        .copyright {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1200px) and (min-width: 768px) {
            .sidebar {
                width: 72px;
            }

            .sidebar-brand {
                padding: 22px 12px;
                text-align: center;
            }

            .sidebar-brand .brand-main {
                font-size: 14px;
                letter-spacing: 0;
            }

            .sidebar-brand .brand-sub,
            .sidebar-foot {
                display: none;
            }

            .nav-item {
                justify-content: center;
                padding: 15px 0;
                border-left-width: 3px;
            }

            .nav-item i {
                font-size: 18px;
            }

            .nav-item .nav-text {
                display: none;
            }

            .sidebar:hover {
                width: 220px;
                box-shadow: 12px 0 40px rgba(0, 0, 0, 0.4);
            }

            .sidebar:hover .sidebar-brand {
                padding: 30px 22px 22px;
                text-align: left;
            }

            .sidebar:hover .sidebar-brand .brand-main {
                font-size: 24px;
                letter-spacing: 3px;
            }

            .sidebar:hover .sidebar-brand .brand-sub,
            .sidebar:hover .sidebar-foot {
                display: block;
            }

            .sidebar:hover .nav-item {
                justify-content: flex-start;
                padding: 14px 22px;
            }

            .sidebar:hover .nav-item i {
                font-size: 16px;
            }

            .sidebar:hover .nav-item .nav-text {
                display: inline;
            }

            .content {
                margin-left: 72px;
            }

            .rec-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .topbar {
                display: flex;
            }

            .mobile-menu {
                display: block;
            }

            .sidebar {
                display: none;
            }

            .content {
                margin-left: 0;
                padding-top: 60px;
            }

            .main {
                padding: 28px 16px 60px;
            }

            .article-header {
                margin-bottom: 24px;
            }

            .article-title-wrap {
                margin-top: 22px;
                padding-left: 12px;
            }

            .article-title-wrap h1 {
                font-size: 26px;
                line-height: 1.4;
            }

            .breadcrumb-glass {
                padding: 7px 14px;
                font-size: 12px;
                border-radius: 24px;
            }

            .breadcrumb-here {
                max-width: 140px;
            }

            .article-card {
                padding: 28px 22px;
                border-radius: 14px;
            }

            .article-content {
                font-size: 15px;
                line-height: 1.85;
            }

            .article-content > p:first-of-type {
                font-size: 16px;
            }

            .article-content h2 {
                font-size: 20px;
                margin: 30px 0 14px;
            }

            .article-content h3 {
                font-size: 17px;
                margin: 24px 0 12px;
            }

            .article-bottom {
                margin-top: 20px;
            }

            .article-share {
                flex-wrap: wrap;
            }

            .section-title {
                font-size: 21px;
                margin: 44px 0 20px;
            }

            .rec-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .rec-cover {
                height: 130px;
            }

            .back-wrap {
                margin-top: 30px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .site-footer {
                padding: 40px 0 20px;
            }

            .article-empty {
                padding: 50px 24px;
            }

            .article-empty h2 {
                font-size: 20px;
            }

            .article-meta .meta-item {
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .rec-grid {
                grid-template-columns: 1fr;
            }

            .article-tags {
                gap: 8px;
            }

            .tag {
                padding: 5px 14px;
                font-size: 11px;
            }

            .article-share {
                font-size: 12px;
            }

            .btn-primary-gold,
            .btn-outline-glass {
                padding: 12px 28px;
                font-size: 13px;
            }
        }

        /* ===== 无障碍焦点 ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

/* roulang page: category1 */
:root {
            --bg-deep: #080c14;
            --bg-panel: #0e1420;
            --bg-glass: rgba(16, 22, 34, 0.72);
            --bg-glass-hover: rgba(22, 30, 46, 0.86);
            --gold: #d4a853;
            --gold-bright: #eccf8a;
            --gold-dim: rgba(212, 168, 83, 0.16);
            --gold-border: rgba(212, 168, 83, 0.38);
            --cyan: #57c7e8;
            --text-main: #eef2f6;
            --text-sub: #9aaab9;
            --text-mute: #61738a;
            --divider: rgba(255, 255, 255, 0.06);
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-main: 0 20px 55px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 6px 30px rgba(212, 168, 83, 0.22);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --font-latin: "Inter", "SF Pro Display", Arial, sans-serif;
            --nav-width: 220px;
            --nav-width-tablet: 72px;
            --mobile-header-h: 60px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-main);
            font-size: 15px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: var(--cyan);
            text-decoration: none;
            transition: color .25s ease;
        }

        a:hover {
            color: var(--gold);
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 左侧竖向导航 ========== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            z-index: 1050;
            background: #070b12;
            border-right: 1px solid var(--divider);
            display: flex;
            flex-direction: column;
            padding: 32px 0 24px;
            transition: width .3s ease;
        }

        .nav-brand {
            padding: 0 28px 32px;
            border-bottom: 1px solid var(--divider);
            margin-bottom: 20px;
        }

        .brand-link {
            display: inline-flex;
            flex-direction: column;
            line-height: 1.3;
        }

        .logo-main {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--text-main);
            font-family: var(--font-latin);
            white-space: nowrap;
        }

        .logo-main::first-letter {
            color: var(--gold);
        }

        .logo-sub {
            font-size: 12px;
            letter-spacing: 3px;
            color: var(--text-mute);
            margin-top: 2px;
        }

        .nav-list {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 0 14px;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 16px;
            border-radius: var(--radius-md);
            color: var(--text-sub);
            font-size: 14px;
            font-weight: 500;
            position: relative;
            transition: background .25s, color .25s, box-shadow .25s;
            white-space: nowrap;
        }

        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-item:hover {
            color: var(--gold);
            background: rgba(212, 168, 83, 0.06);
        }

        .nav-item.active {
            color: var(--gold);
            background: var(--gold-dim);
            box-shadow: inset 0 0 0 1px var(--gold-border), 0 0 18px rgba(212, 168, 83, 0.08);
        }

        .nav-item.active::before {
            content: "";
            position: absolute;
            left: -14px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 22px;
            border-radius: 0 4px 4px 0;
            background: var(--gold);
            box-shadow: 0 0 12px rgba(212, 168, 83, 0.7);
        }

        .nav-footer {
            padding: 20px 28px 0;
            border-top: 1px solid var(--divider);
            font-size: 12px;
            color: var(--text-mute);
            line-height: 1.6;
        }

        /* ========== 移动端顶栏 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--mobile-header-h);
            z-index: 1060;
            background: rgba(7, 11, 18, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--divider);
            padding: 0 20px;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-brand {
            display: inline-flex;
            align-items: baseline;
            gap: 6px;
            line-height: 1.2;
        }

        .mobile-brand .logo-main {
            font-size: 20px;
        }

        .mobile-brand .logo-sub {
            font-size: 10px;
        }

        .menu-toggle {
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--divider);
            border-radius: 10px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: border-color .25s, color .25s;
        }

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

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: var(--mobile-header-h);
            left: 0;
            width: 100%;
            z-index: 1055;
            background: rgba(8, 12, 20, 0.97);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--divider);
            padding: 12px 20px 24px;
        }

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

        .mobile-nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 12px;
            font-size: 17px;
            font-weight: 500;
            color: var(--text-sub);
            border-bottom: 1px solid var(--divider);
            position: relative;
        }

        .mobile-nav-item:last-child {
            border-bottom: none;
        }

        .mobile-nav-item i {
            width: 22px;
            text-align: center;
        }

        .mobile-nav-item.active {
            color: var(--gold);
        }

        .mobile-nav-item.active::before {
            content: "";
            position: absolute;
            left: -20px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 22px;
            border-radius: 0 4px 4px 0;
            background: var(--gold);
        }

        /* ========== 页面主容器 ========== */
        .page-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .main-content {
            flex: 1;
        }

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(100deg, rgba(8, 12, 20, 0.94) 0%, rgba(8, 12, 20, 0.78) 50%, rgba(8, 12, 20, 0.55) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-bottom: 1px solid var(--divider);
            padding: 88px 0 72px;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: var(--gold-dim);
            border: 1px solid var(--gold-border);
            border-radius: 40px;
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 24px;
        }

        .hero-badge::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
            box-shadow: 0 0 8px var(--gold);
        }

        .page-hero h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: 1px;
            margin-bottom: 18px;
            border-left: 4px solid var(--gold);
            padding-left: 20px;
        }

        .hero-sub {
            font-size: 16px;
            color: var(--text-sub);
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 14px;
        }

        .hero-sub span {
            color: var(--cyan);
            font-weight: 500;
        }

        .hero-desc {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 32px;
        }

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

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-main);
            overflow: hidden;
            min-height: 300px;
            background: var(--bg-panel);
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }

        .hero-visual::after {
            content: "开运体育会员服务";
            position: absolute;
            right: 16px;
            bottom: 16px;
            padding: 6px 14px;
            background: rgba(8, 12, 20, 0.7);
            border: 1px solid var(--gold-border);
            border-radius: 30px;
            color: var(--gold);
            font-size: 12px;
            letter-spacing: 1px;
            backdrop-filter: blur(6px);
        }

        /* ========== 通用区块 ========== */
        .section-block {
            padding: 80px 0;
        }

        .section-block.section-alt {
            background: var(--bg-panel);
            border-top: 1px solid var(--divider);
            border-bottom: 1px solid var(--divider);
        }

        .section-head {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 12px;
        }

        .section-num {
            font-family: var(--font-latin);
            font-size: 15px;
            font-weight: 700;
            color: var(--gold);
            background: var(--gold-dim);
            border: 1px solid var(--gold-border);
            border-radius: 8px;
            padding: 3px 12px;
            letter-spacing: 1px;
            flex-shrink: 0;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: 1px;
            margin: 0;
        }

        .section-desc {
            color: var(--text-sub);
            font-size: 15px;
            max-width: 700px;
            margin: 0 0 36px;
            line-height: 1.8;
        }

        /* ========== 玻璃卡片 ========== */
        .glass-card {
            background: var(--bg-glass);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-main);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
        }

        .glass-card:hover {
            transform: translateY(-3px);
            border-color: rgba(212, 168, 83, 0.6);
            box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5), 0 0 24px rgba(212, 168, 83, 0.12);
        }

        /* ========== 模块一 会员体系列表 ========== */
        .member-tier-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .tier-row {
            display: grid;
            grid-template-columns: 180px 1fr 180px;
            gap: 28px;
            align-items: center;
            padding: 32px 34px;
        }

        .tier-info {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .tier-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 28px;
            background: var(--gold-dim);
            border: 1px solid var(--gold-border);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.5px;
        }

        .tier-info h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0;
        }

        .tier-info .tier-tag {
            font-size: 12px;
            color: var(--text-mute);
            letter-spacing: 0.5px;
        }

        .tier-features {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px 20px;
            padding: 0;
            margin: 0;
        }

        .tier-features li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.5;
        }

        .tier-features i {
            color: var(--cyan);
            font-size: 12px;
            flex-shrink: 0;
        }

        .tier-meta {
            text-align: right;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .tier-stat {
            font-size: 26px;
            font-weight: 700;
            color: var(--gold);
            font-family: var(--font-latin);
            letter-spacing: 1px;
        }

        .tier-note {
            font-size: 12px;
            color: var(--text-mute);
        }

        .tier-recommend {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            background: linear-gradient(135deg, var(--gold), var(--gold-bright));
            border-radius: 20px;
            color: #111420;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        /* ========== 模块二 步骤 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            padding: 32px 24px;
            text-align: center;
            position: relative;
        }

        .step-num {
            position: absolute;
            top: 18px;
            right: 20px;
            font-family: var(--font-latin);
            font-size: 28px;
            font-weight: 800;
            color: rgba(212, 168, 83, 0.25);
            line-height: 1;
        }

        .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--gold-dim);
            border: 1px solid var(--gold-border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 22px;
            color: var(--gold);
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== 模块三 等级亮点 ========== */
        .tier-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .tier-card {
            padding: 36px 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .tier-card.recommended {
            border-color: var(--gold);
            box-shadow: 0 20px 55px rgba(0, 0, 0, 0.5), 0 0 28px rgba(212, 168, 83, 0.15);
        }

        .tier-card.recommended::before {
            content: "推荐";
            position: absolute;
            top: 18px;
            right: -32px;
            transform: rotate(45deg);
            background: linear-gradient(135deg, var(--gold), var(--gold-bright));
            color: #111420;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 40px;
            letter-spacing: 1px;
        }

        .tier-level {
            font-family: var(--font-latin);
            font-size: 15px;
            font-weight: 700;
            color: var(--gold);
            background: var(--gold-dim);
            border: 1px solid var(--gold-border);
            border-radius: 20px;
            padding: 4px 16px;
            display: inline-block;
            margin-bottom: 16px;
        }

        .tier-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .tier-card p {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 22px;
        }

        .tier-data {
            font-family: var(--font-latin);
            font-size: 44px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
            letter-spacing: -1px;
            margin-bottom: 8px;
        }

        .tier-data small {
            font-size: 20px;
            font-weight: 600;
        }

        .tier-label {
            font-size: 13px;
            color: var(--text-mute);
            letter-spacing: 1px;
        }

        /* ========== 模块四 专属内容 ========== */
        .content-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .content-card {
            display: flex;
            flex-direction: column;
            padding: 20px;
            color: var(--text-main);
        }

        .content-card:hover {
            color: var(--text-main);
        }

        .card-thumb {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 18px;
            position: relative;
            background: var(--bg-panel);
            aspect-ratio: 16 / 10;
        }

        .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .content-card:hover .card-thumb img {
            transform: scale(1.04);
        }

        .card-thumb::after {
            content: "会员专享";
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            background: rgba(8, 12, 20, 0.72);
            border: 1px solid var(--gold-border);
            border-radius: 20px;
            color: var(--gold);
            font-size: 12px;
            font-weight: 600;
            backdrop-filter: blur(6px);
        }

        .card-tag {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(87, 199, 232, 0.12);
            border: 1px solid rgba(87, 199, 232, 0.28);
            border-radius: 20px;
            color: var(--cyan);
            font-size: 12px;
            font-weight: 500;
            margin-bottom: 12px;
            width: fit-content;
        }

        .content-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            transition: color .25s;
        }

        .content-card:hover h3 {
            color: var(--gold);
        }

        .content-card p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .card-link {
            font-size: 14px;
            color: var(--cyan);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color .25s, gap .25s;
        }

        .content-card:hover .card-link {
            color: var(--gold);
            gap: 10px;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            padding: 32px;
            border-radius: var(--radius-lg);
        }

        .faq-wrap .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--divider);
            border-radius: 0 !important;
        }

        .faq-wrap .accordion-item:last-child {
            border-bottom: none;
        }

        .faq-wrap .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-size: 16px;
            font-weight: 500;
            padding: 22px 12px;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .faq-wrap .accordion-button::after {
            background: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f107";
            color: var(--text-sub);
            transition: transform .3s ease;
            width: auto;
            height: auto;
            margin-left: auto;
        }

        .faq-wrap .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--gold);
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            color: var(--gold);
            background: transparent;
            box-shadow: none;
        }

        .faq-wrap .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

        .faq-wrap .accordion-body {
            padding: 0 12px 24px 34px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.9;
            border-left: 1px solid var(--gold-border);
            margin-left: 20px;
            position: relative;
        }

        .faq-q {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 8px;
            background: var(--gold-dim);
            border: 1px solid var(--gold-border);
            color: var(--gold);
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 8px;
            background: rgba(87, 199, 232, 0.1);
            border: 1px solid rgba(87, 199, 232, 0.3);
            color: var(--cyan);
            font-size: 12px;
            font-weight: 700;
            margin-right: 6px;
            vertical-align: middle;
        }

        /* ========== CTA 横幅 ========== */
        .cta-banner {
            position: relative;
            padding: 80px 0;
            background: radial-gradient(ellipse at 50% 0%, rgba(212, 168, 83, 0.12) 0%, transparent 65%), linear-gradient(180deg, #0a0f1a 0%, #0d1320 100%);
            border-top: 1px solid var(--divider);
            border-bottom: 1px solid var(--divider);
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            text-align: center;
            padding: 0 24px;
        }

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: 2px;
            margin-bottom: 32px;
        }

        .cta-inner .btn-main {
            margin-bottom: 14px;
        }

        .cta-hint {
            font-size: 13px;
            color: var(--text-mute);
            letter-spacing: 0.5px;
        }

        /* ========== 按钮 ========== */
        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 34px;
            background: linear-gradient(135deg, var(--gold), var(--gold-bright));
            color: #141820;
            font-size: 15px;
            font-weight: 700;
            border: none;
            border-radius: 30px;
            cursor: pointer;
            text-decoration: none;
            box-shadow: 0 6px 24px rgba(212, 168, 83, 0.3);
            transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
        }

        .btn-main:hover {
            color: #141820;
            transform: translateY(-2px);
            box-shadow: 0 10px 34px rgba(212, 168, 83, 0.42);
            filter: brightness(1.06);
        }

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

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 30px;
            background: transparent;
            color: var(--text-main);
            font-size: 15px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 30px;
            cursor: pointer;
            text-decoration: none;
            transition: background .25s, border-color .25s, color .25s, transform .25s;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--gold-border);
            color: var(--gold);
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #070b12;
            border-top: 1px solid var(--divider);
            padding: 56px 0 28px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.9fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand .logo-main {
            display: block;
            margin-bottom: 6px;
        }

        .footer-brand .logo-sub {
            display: block;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 360px;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col li {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        .footer-col a {
            color: var(--text-sub);
            text-decoration: none;
            transition: color .25s;
        }

        .footer-col a:hover {
            color: var(--gold);
        }

        .footer-bottom {
            border-top: 1px solid var(--divider);
            padding-top: 24px;
            text-align: center;
        }

        .copyright {
            font-size: 13px;
            color: var(--text-mute);
            letter-spacing: 0.5px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1200px) {
            .page-wrapper {
                margin-left: var(--nav-width-tablet);
            }

            .side-nav {
                width: var(--nav-width-tablet);
                padding: 24px 0;
            }

            .nav-brand {
                padding: 0 20px 28px;
            }

            .brand-link .logo-main {
                font-size: 20px;
            }

            .brand-link .logo-sub,
            .nav-text,
            .nav-footer span {
                display: none;
            }

            .nav-list {
                padding: 0 12px;
            }

            .nav-item {
                justify-content: center;
                padding: 14px 0;
            }

            .nav-item.active::before {
                left: -12px;
            }

            .nav-footer {
                padding: 18px 12px 0;
                text-align: center;
            }

            .hero-inner {
                grid-template-columns: 1fr 0.9fr;
                gap: 32px;
            }

            .tier-row {
                grid-template-columns: 150px 1fr 130px;
                gap: 20px;
                padding: 26px 24px;
            }

            .steps-grid {
                gap: 16px;
            }
        }

        @media (max-width: 992px) {
            .hero-inner {
                grid-template-columns: 1fr;
            }

            .hero-visual {
                min-height: 240px;
            }

            .hero-visual img {
                min-height: 240px;
            }

            .tier-row {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .tier-meta {
                text-align: left;
                flex-direction: row;
                align-items: center;
                gap: 16px;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .tier-card-grid,
            .content-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .mobile-header {
                display: flex;
            }

            .side-nav {
                display: none;
            }

            .page-wrapper {
                margin-left: 0;
                padding-top: var(--mobile-header-h);
            }

            .section-block {
                padding: 48px 0;
            }

            .page-hero {
                padding: 48px 0 40px;
            }

            .page-hero h1 {
                font-size: 28px;
                padding-left: 14px;
            }

            .hero-badge {
                margin-bottom: 16px;
            }

            .section-head h2 {
                font-size: 22px;
            }

            .tier-card-grid,
            .content-card-grid {
                grid-template-columns: 1fr;
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .faq-wrap {
                padding: 20px 16px;
            }

            .cta-banner {
                padding: 48px 0;
            }

            .cta-inner h2 {
                font-size: 24px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-main,
            .btn-ghost {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .tier-features {
                grid-template-columns: 1fr;
            }

            .hero-sub {
                flex-direction: column;
                gap: 4px;
            }

            .section-desc {
                font-size: 14px;
            }

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

        /* ========== Bootstrap 覆盖 ========== */
        .accordion-button {
            font-family: var(--font-sans);
        }

        .accordion-button:focus {
            z-index: 0;
            outline: none;
            box-shadow: none;
        }

        .btn:focus,
        .form-control:focus {
            box-shadow: none;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
            border-radius: 4px;
        }