/* roulang page: index */
:root {
    --primary: #0b1626;
    --primary-light: #14283e;
    --primary-lighter: #1f3a55;
    --accent: #2dd4bf;
    --accent-dark: #0f9b8c;
    --accent-soft: #d9f7f2;
    --bg: #f5f7fa;
    --bg-alt: #eef2f6;
    --card: #ffffff;
    --text: #1a2333;
    --text-weak: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 8px rgba(11, 22, 38, 0.05);
    --shadow-md: 0 6px 24px rgba(11, 22, 38, 0.08);
    --shadow-lg: 0 16px 48px rgba(11, 22, 38, 0.12);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --container-w: 1200px;
    --header-h: 72px;
    --section-space: clamp(4rem, 8vw, 6rem);
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}
body {
    font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img {
    max-width: 100%;
    display: block;
    height: auto;
}
a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}
input, select, textarea {
    font-family: inherit;
    font-size: 1rem;
}
ul, ol {
    list-style: none;
}
.container {
    width: 100%;
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 0 24px;
}
.section {
    padding: var(--section-space) 0;
    position: relative;
}
.section-alt {
    background-color: var(--bg-alt);
}
.section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 3rem;
}
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent-soft);
    color: var(--accent-dark);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    padding: 4px 16px;
    border-radius: 100px;
    margin-bottom: 1rem;
    text-transform: uppercase;
}
.section-tag i {
    font-size: 0.7rem;
}
.section-head h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--primary);
    line-height: 1.25;
    margin-bottom: 0.75rem;
}
.section-head p {
    color: var(--text-weak);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Header & Nav */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    display: flex;
    align-items: center;
    background: rgba(11, 22, 38, 0.4);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
}
.site-header.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 24px rgba(11, 22, 38, 0.08);
}
.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #fff;
    white-space: nowrap;
}
.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: var(--primary);
    border-radius: 12px;
    font-size: 1.2rem;
    flex-shrink: 0;
}
.site-header.scrolled .logo {
    color: var(--primary);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
}
.nav-link {
    display: inline-block;
    padding: 8px 18px;
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition);
}
.nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}
.site-header.scrolled .nav-link {
    color: var(--text-weak);
}
.site-header.scrolled .nav-link:hover {
    color: var(--primary);
    background: var(--bg-alt);
}
.nav-link.active {
    color: #fff;
    font-weight: 600;
}
.site-header.scrolled .nav-link.active {
    color: var(--primary);
}
.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    font-size: 0.92rem;
    font-weight: 600;
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    transition: var(--transition);
}
.site-header.scrolled .nav-cta {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.nav-cta:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--primary);
    transform: translateY(-2px);
}
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1002;
}
.site-header.scrolled .nav-toggle {
    border-color: var(--border);
    background: var(--bg);
}
.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background-color: #fff;
    margin: 0 auto;
    transition: var(--transition);
}
.site-header.scrolled .nav-toggle span {
    background-color: var(--primary);
}
.nav-toggle span + span {
    margin-top: 5px;
}
.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    padding: 16px 24px 24px;
    transform: translateY(-120%);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.mobile-nav.open {
    transform: translateY(0);
}
.mobile-nav .m-link {
    display: block;
    padding: 14px 16px;
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.mobile-nav .m-link:hover {
    background: var(--bg-alt);
    color: var(--primary);
}
.mobile-nav .m-link.active {
    color: var(--accent-dark);
    background: var(--accent-soft);
    font-weight: 700;
}
.mobile-nav .m-cta {
    display: block;
    margin-top: 16px;
    padding: 14px 20px;
    text-align: center;
    background: var(--primary);
    color: #fff;
    border-radius: 100px;
    font-weight: 600;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    isolation: isolate;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11, 22, 38, 0.92) 0%, rgba(11, 22, 38, 0.75) 50%, rgba(11, 22, 38, 0.55) 100%);
    z-index: -1;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
    z-index: 0;
    pointer-events: none;
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: calc(var(--header-h) + 2rem) 24px 4rem;
    max-width: 860px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(45, 212, 191, 0.15);
    border: 1px solid rgba(45, 212, 191, 0.3);
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    padding: 6px 20px;
    border-radius: 100px;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(8px);
}
.hero-badge i {
    font-size: 0.7rem;
}
.hero h1 {
    font-size: clamp(2.4rem, 5.5vw, 4rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: #fff;
    margin-bottom: 1.25rem;
}
.hero h1 .highlight {
    color: var(--accent);
    position: relative;
}
.hero-desc {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 2.25rem;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 100px;
    transition: var(--transition);
    border: 1px solid transparent;
}
.btn-primary {
    background: var(--accent);
    color: var(--primary);
}
.btn-primary:hover {
    background: #5eead4;
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(45, 212, 191, 0.35);
}
.btn-outline {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(45, 212, 191, 0.08);
    transform: translateY(-3px);
}
.btn-dark {
    background: var(--primary);
    color: #fff;
}
.btn-dark:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(11, 22, 38, 0.25);
}
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-top: 3.5rem;
    flex-wrap: wrap;
}
.hero-stat {
    text-align: center;
}
.hero-stat .num {
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}
.hero-stat .num span {
    color: var(--accent);
}
.hero-stat .label {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 6px;
}

/* KPI Section */
.kpi-section {
    margin-top: -60px;
    position: relative;
    z-index: 3;
}
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.kpi-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), #5eead4);
    opacity: 0;
    transition: var(--transition);
}
.kpi-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
}
.kpi-card:hover::before {
    opacity: 1;
}
.kpi-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    color: var(--accent-dark);
    border-radius: 16px;
    font-size: 1.3rem;
}
.kpi-card .value {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.15;
    letter-spacing: -0.02em;
}
.kpi-card .value span {
    font-size: 1.1rem;
    color: var(--text-weak);
    margin-left: 2px;
    font-weight: 500;
}
.kpi-card .name {
    font-size: 0.9rem;
    color: var(--text-weak);
    margin-top: 0.4rem;
}

/* Categories Section */
.categories-section {
    background: var(--bg);
}
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.category-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}
.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.category-card-img {
    position: relative;
    height: 200px;
    overflow: hidden;
}
.category-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.category-card:hover .category-card-img img {
    transform: scale(1.06);
}
.category-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--primary) 0%, transparent 60%);
    opacity: 0.5;
    transition: var(--transition);
}
.category-card:hover .category-card-img::after {
    opacity: 0.7;
}
.category-icon {
    position: absolute;
    bottom: 14px;
    left: 20px;
    z-index: 2;
    width: 44px;
    height: 44px;
    background: var(--accent);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(45, 212, 191, 0.4);
}
.category-card-body {
    padding: 1.8rem 1.5rem 1.6rem;
}
.category-card-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}
.category-card-body p {
    font-size: 0.88rem;
    color: var(--text-weak);
    line-height: 1.65;
    margin-bottom: 1.2rem;
}
.category-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent-dark);
}
.category-link:hover {
    gap: 14px;
    color: var(--primary);
}
.category-link i {
    font-size: 0.8rem;
}

/* News Section */
.news-section {
    background: var(--bg-alt);
}
.news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.2rem;
    max-width: 980px;
    margin: 0 auto;
}
.news-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.4rem 1.8rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: var(--transition);
    position: relative;
}
.news-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(6px);
    border-color: rgba(45, 212, 191, 0.4);
}
.news-item:hover .news-arrow {
    opacity: 1;
    transform: translateX(0);
}
.news-cat {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent-dark);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 100px;
    white-space: nowrap;
    flex-shrink: 0;
}
.news-info {
    flex: 1;
    min-width: 0;
}
.news-info h3 {
    font-size: 1.02rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.5;
    margin-bottom: 0.25rem;
    transition: var(--transition);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.news-item:hover .news-info h3 {
    color: var(--accent-dark);
}
.news-desc {
    font-size: 0.85rem;
    color: var(--text-weak);
    line-height: 1.5;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}
.news-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}
.news-date {
    font-size: 0.78rem;
    color: var(--text-light);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}
.news-arrow {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-alt);
    border-radius: 50%;
    color: var(--text-weak);
    font-size: 0.8rem;
    opacity: 0;
    transform: translateX(-8px);
    transition: var(--transition);
    flex-shrink: 0;
}
.empty-tip {
    text-align: center;
    color: var(--text-weak);
    font-size: 1rem;
    padding: 3rem 0;
    background: var(--card);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-md);
}

/* Feature Section */
.feature-section {
    background: var(--bg);
}
.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.feature-img {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4 / 3;
}
.feature-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.feature-img::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
}
.feature-img .img-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.92);
    border-radius: 12px;
    padding: 10px 16px;
    font-size: 0.82rem;
    color: var(--primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-md);
}
.feature-img .img-badge i {
    color: var(--accent-dark);
}
.feature-content h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin-bottom: 1.2rem;
}
.feature-content p {
    color: var(--text-weak);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}
.feature-list {
    margin-bottom: 1.8rem;
}
.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--text);
}
.feature-list li i {
    color: var(--accent-dark);
    margin-top: 4px;
    font-size: 0.85rem;
    flex-shrink: 0;
}

/* Advantage Section */
.adv-section {
    background: var(--primary);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.adv-section::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.adv-section .section-head h2 {
    color: #fff;
}
.adv-section .section-head p {
    color: rgba(255, 255, 255, 0.65);
}
.adv-section .section-tag {
    background: rgba(45, 212, 191, 0.15);
    color: var(--accent);
}
.adv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    position: relative;
    z-index: 2;
}
.adv-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}
.adv-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(45, 212, 191, 0.4);
    transform: translateY(-6px);
}
.adv-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.2rem;
    background: var(--accent);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    font-size: 1.4rem;
    box-shadow: 0 8px 24px rgba(45, 212, 191, 0.3);
}
.adv-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}
.adv-card p {
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

/* Process Section */
.process-section {
    background: var(--bg);
}
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    position: relative;
}
.process-grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: var(--border-strong);
    border-radius: 2px;
}
.process-item {
    text-align: center;
    position: relative;
    padding: 1rem;
}
.process-step {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.2rem;
    background: var(--card);
    border: 2px solid var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent-dark);
    position: relative;
    z-index: 2;
    box-shadow: 0 0 0 6px var(--bg);
    transition: var(--transition);
}
.process-item:hover .process-step {
    background: var(--accent);
    color: var(--primary);
    transform: scale(1.08);
    box-shadow: 0 0 0 6px var(--bg), 0 12px 28px rgba(45, 212, 191, 0.3);
}
.process-item h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.4rem;
}
.process-item p {
    font-size: 0.82rem;
    color: var(--text-weak);
    line-height: 1.6;
    max-width: 180px;
    margin: 0 auto;
}

/* FAQ Section */
.faq-section {
    background: var(--bg);
}
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.faq-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover {
    border-color: var(--border-strong);
}
.faq-item.active {
    border-color: rgba(45, 212, 191, 0.5);
    box-shadow: var(--shadow-md);
}
.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.4rem 1.8rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    background: none;
    transition: var(--transition);
}
.faq-question i {
    color: var(--accent-dark);
    font-size: 0.9rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.faq-item.active .faq-question i {
    transform: rotate(180deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.faq-answer-inner {
    padding: 0 1.8rem 1.4rem;
    font-size: 0.92rem;
    color: var(--text-weak);
    line-height: 1.75;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}
.cta-content h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    color: #fff;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}
.cta-content p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.site-footer {
    background: #060e18;
    color: rgba(255, 255, 255, 0.65);
    padding: 4rem 0 2rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}
.footer-brand .logo {
    color: #fff;
    margin-bottom: 1rem;
}
.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.7;
    max-width: 360px;
}
.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.2rem;
}
.footer-col ul li {
    margin-bottom: 0.6rem;
}
.footer-col ul a {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
    transition: var(--transition);
}
.footer-col ul a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.82rem;
}
.footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a:hover {
    color: var(--accent);
}

/* Responsive */
@media (max-width: 1024px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.2rem;
    }
    .adv-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    .process-grid::before {
        display: none;
    }
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .btn {
        padding: 12px 26px;
    }
}
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .nav-cta {
        display: none;
    }
    .nav-toggle {
        display: block;
    }
    .mobile-nav {
        display: block;
    }
    .category-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .kpi-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    .hero-stats {
        gap: 1.5rem;
    }
    .hero-stat .num {
        font-size: 1.4rem;
    }
    .section-head {
        margin-bottom: 2rem;
    }
    .news-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.6rem;
        padding: 1.2rem 1.4rem;
    }
    .news-meta {
        width: 100%;
        justify-content: space-between;
    }
    .news-arrow {
        display: none;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}
@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    .adv-grid {
        grid-template-columns: 1fr;
    }
    .process-grid {
        grid-template-columns: 1fr;
    }
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    .section-head h2 {
        font-size: 1.5rem;
    }
    .section-tag {
        font-size: 0.72rem;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .btn {
        padding: 12px 20px;
        font-size: 0.88rem;
    }
}

/* Focus accessible */
a:focus-visible,
button:focus-visible {
    outline: 3px solid rgba(45, 212, 191, 0.5);
    outline-offset: 2px;
}

/* roulang page: category1 */
:root {
            --primary: #0d4f4a;
            --primary-light: #147d74;
            --accent: #2a9d8f;
            --accent-soft: rgba(42, 157, 143, 0.12);
            --accent-2: #5bc0be;
            --bg: #f5f8f9;
            --bg-deep: #0b1f24;
            --bg-card: #ffffff;
            --text: #1a2b30;
            --text-light: #5a6d73;
            --text-weak: #8aa0a6;
            --border: #dfe8eb;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 30px rgba(13, 79, 74, 0.08);
            --shadow-hover: 0 16px 40px rgba(13, 79, 74, 0.14);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 32px;
            --space-lg: 56px;
            --space-xl: 88px;
            --font-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        body.no-scroll {
            overflow: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease, opacity 0.25s ease;
        }

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            outline: none;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            background: #fff;
            color: var(--text);
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.18);
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(13, 79, 74, 0.08);
            box-shadow: 0 4px 24px rgba(13, 79, 74, 0.04);
            transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.94);
            box-shadow: 0 6px 28px rgba(13, 79, 74, 0.1);
            border-bottom-color: rgba(13, 79, 74, 0.12);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(42, 157, 143, 0.3);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            transition: background 0.25s ease, color 0.25s ease;
        }

        .nav-link:hover {
            background: var(--accent-soft);
            color: var(--primary);
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(13, 79, 74, 0.24);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 0.92rem;
            font-weight: 700;
            box-shadow: 0 6px 18px rgba(13, 79, 74, 0.22);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(13, 79, 74, 0.3);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--accent-soft);
            align-items: center;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

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

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

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

        .hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 160px 24px 100px;
            background: linear-gradient(135deg, rgba(9, 48, 52, 0.82), rgba(13, 79, 74, 0.66)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            isolation: isolate;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 20%, rgba(91, 192, 190, 0.25), transparent 60%);
            z-index: -1;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            backdrop-filter: blur(8px);
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 0.9rem;
            letter-spacing: 2px;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            letter-spacing: 2px;
            line-height: 1.25;
            margin-bottom: 18px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .hero-desc {
            max-width: 760px;
            margin: 0 auto 36px;
            font-size: 1.08rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 30px;
            border-radius: 999px;
            font-size: 0.98rem;
            font-weight: 700;
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
        }

        .btn-primary {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.35);
            backdrop-filter: blur(6px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.22);
            transform: translateY(-2px);
        }

        .section {
            padding: var(--space-xl) 0;
        }

        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto var(--space-lg);
        }

        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--accent);
            text-transform: uppercase;
            background: var(--accent-soft);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .section-header h2 {
            font-size: clamp(1.8rem, 3.4vw, 2.6rem);
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-header p {
            color: var(--text-light);
            font-size: 1.05rem;
            line-height: 1.75;
        }

        .intro-section {
            background: var(--bg);
            position: relative;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .intro-content h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.35;
            color: var(--text);
        }

        .intro-content p {
            color: var(--text-light);
            font-size: 1.05rem;
            line-height: 1.85;
            margin-bottom: 24px;
        }

        .intro-points {
            list-style: none;
            display: grid;
            gap: 14px;
            margin-top: 8px;
        }

        .intro-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.98rem;
            color: var(--text);
            font-weight: 500;
        }

        .intro-points li i {
            flex-shrink: 0;
            margin-top: 4px;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 0.85rem;
        }

        .intro-media {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .intro-media img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .intro-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(13, 79, 74, 0.55));
        }

        .intro-media .media-label {
            position: absolute;
            left: 20px;
            bottom: 20px;
            right: 20px;
            z-index: 2;
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.5;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .event-card .card-media {
            position: relative;
            height: 196px;
            overflow: hidden;
        }

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

        .event-card:hover .card-media img {
            transform: scale(1.06);
        }

        .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(6px);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 800;
            padding: 5px 14px;
            border-radius: 999px;
            letter-spacing: 1px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .card-body p {
            color: var(--text-light);
            font-size: 0.93rem;
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .card-meta .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.83rem;
            color: var(--accent);
            font-weight: 600;
        }

        .card-meta .meta-detail {
            font-size: 0.83rem;
            color: var(--text-weak);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .stats-section {
            background: var(--bg-deep);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.18;
        }

        .stats-wrap {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-item {
            padding: 40px 24px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            backdrop-filter: blur(8px);
            transition: background 0.3s ease, transform 0.3s ease;
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .stat-icon {
            font-size: 1.6rem;
            color: var(--accent-2);
            margin-bottom: 14px;
        }

        .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 1px;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.66);
            margin-top: 8px;
            letter-spacing: 1px;
        }

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

        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 22px;
        }

        .news-item {
            display: flex;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .news-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .news-tag {
            flex-shrink: 0;
            width: 64px;
            height: 64px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-soft);
            color: var(--primary);
            font-size: 1.35rem;
            font-weight: 800;
            border: 1px solid rgba(42, 157, 143, 0.2);
        }

        .news-content {
            flex: 1;
        }

        .news-content .news-cat {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .news-content h3 {
            font-size: 1.02rem;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 6px;
            color: var(--text);
            transition: color 0.25s ease;
        }

        .news-content h3 a:hover {
            color: var(--accent);
        }

        .news-content p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--text-weak);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .steps-section {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 26px;
        }

        .step-card {
            text-align: center;
            padding: 38px 24px;
            border-radius: var(--radius);
            background: var(--bg);
            border: 1px solid var(--border);
            position: relative;
            transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
        }

        .step-card:hover {
            background: var(--bg-card);
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 18px;
            box-shadow: 0 6px 18px rgba(13, 79, 74, 0.25);
        }

        .step-card h3 {
            font-size: 1.08rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text);
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }

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

        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .faq-item.active {
            border-color: rgba(42, 157, 143, 0.4);
            box-shadow: 0 8px 26px rgba(13, 79, 74, 0.12);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            text-align: left;
            transition: background 0.2s ease;
        }

        .faq-question:hover {
            background: rgba(42, 157, 143, 0.05);
        }

        .faq-question i {
            flex-shrink: 0;
            color: var(--accent);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        .faq-answer p {
            padding: 0 24px 22px;
            font-size: 0.95rem;
            line-height: 1.75;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            margin-top: 0;
            padding-top: 16px;
            background: #fafcfd;
        }

        .cta-section {
            position: relative;
            padding: var(--space-xl) 0;
            background: linear-gradient(135deg, rgba(9, 48, 52, 0.92), rgba(13, 79, 74, 0.85)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(91, 192, 190, 0.2), transparent 65%);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: clamp(1.8rem, 3.4vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 36px;
            line-height: 1.8;
        }

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

        .cta-section .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
        }

        .cta-section .btn-ghost {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.72);
            padding: 64px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo .logo-icon {
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
        }

        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .footer-col ul {
            list-style: none;
            display: grid;
            gap: 12px;
        }

        .footer-col a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .footer-col a:hover {
            color: var(--accent-2);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 26px;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.42);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.25s ease;
        }

        .footer-bottom a:hover {
            color: var(--accent-2);
        }

        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                height: 66px;
            }
            .nav-links {
                position: fixed;
                top: 66px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 20px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 20px 40px rgba(13, 79, 74, 0.12);
                transform: translateY(-110%);
                opacity: 0;
                visibility: hidden;
                transition: transform 0.4s ease, opacity 0.4s ease, visibility 0.4s;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-link {
                padding: 14px 20px;
                font-size: 1.02rem;
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .hero {
                min-height: 460px;
                padding-top: 130px;
                padding-bottom: 70px;
            }
            .section {
                padding: var(--space-lg) 0;
            }
            .cards-grid {
                gap: 16px;
            }
            .event-card .card-media {
                height: 170px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .stats-wrap {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .news-item {
                flex-direction: column;
            }
            .news-tag {
                width: 54px;
                height: 54px;
                border-radius: 12px;
                font-size: 1.1rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .stat-num {
                font-size: 2.1rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #0b1f35;
            --primary-2: #12304f;
            --accent: #12a4a4;
            --accent-2: #14b8b8;
            --accent-glow: rgba(18, 164, 164, 0.18);
            --bg: #f6f8fb;
            --bg-alt: #eef2f7;
            --card-bg: #ffffff;
            --text: #17202a;
            --text-muted: #5f6f7f;
            --border: #e1e8f0;
            --border-light: #eef2f6;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(11, 31, 53, 0.06);
            --shadow: 0 8px 24px rgba(11, 31, 53, 0.08);
            --shadow-lg: 0 16px 40px rgba(11, 31, 53, 0.14);
            --header-h: 72px;
            --container: 1200px;
            --space-section: 88px;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--accent-2);
        }

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

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 32px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.14);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(11, 31, 53, 0.92);
            box-shadow: var(--shadow);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
        }

        .site-header .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #0e7a7a);
            border-radius: 10px;
            color: #fff;
            font-size: 17px;
            box-shadow: 0 4px 12px rgba(18, 164, 164, 0.35);
        }

        .logo:hover {
            color: #fff;
            opacity: 0.92;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0 auto;
        }

        .nav-link {
            position: relative;
            padding: 10px 18px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-link.active {
            color: #ffffff;
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            background: var(--accent-2);
            border-radius: 2px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            background: var(--accent);
            color: #fff;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(18, 164, 164, 0.35);
            transition: var(--transition);
        }

        .nav-cta:hover {
            background: var(--accent-2);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(18, 164, 164, 0.45);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }

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

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

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

        .article-hero {
            position: relative;
            min-height: 400px;
            display: flex;
            align-items: center;
            overflow: hidden;
            color: #fff;
        }

        .article-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transform: scale(1.02);
        }

        .article-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 31, 53, 0.94) 0%, rgba(13, 44, 68, 0.86) 48%, rgba(18, 164, 164, 0.42) 100%);
        }

        .article-hero .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 128px 32px 72px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.9);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 220px;
        }

        .article-hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.35;
            max-width: 800px;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, 0.12);
            padding: 8px 14px;
            border-radius: 40px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .article-section {
            padding: 64px 0 72px;
            background: var(--bg);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 44px;
            align-items: start;
        }

        .article-main {
            min-width: 0;
        }

        .article-post {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .article-cover img {
            width: 100%;
            height: auto;
            min-height: 260px;
            object-fit: cover;
        }

        .article-prose {
            padding: 44px 48px 32px;
            font-size: 16px;
            line-height: 1.85;
            color: #273240;
        }

        .article-prose h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 32px 0 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-light);
            color: var(--primary);
        }

        .article-prose h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 26px 0 12px;
            color: var(--primary-2);
        }

        .article-prose h4 {
            font-size: 17px;
            font-weight: 600;
            margin: 22px 0 10px;
            color: var(--primary-2);
        }

        .article-prose p {
            margin-bottom: 18px;
        }

        .article-prose a {
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-prose ul,
        .article-prose ol {
            margin: 0 0 18px 22px;
        }

        .article-prose li {
            margin-bottom: 8px;
        }

        .article-prose blockquote {
            margin: 24px 0;
            padding: 20px 24px;
            background: var(--accent-glow);
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius) var(--radius) 0;
            color: var(--primary-2);
            font-style: normal;
        }

        .article-prose img {
            border-radius: var(--radius);
            margin: 22px 0;
        }

        .article-prose table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
            overflow-x: auto;
            display: block;
        }

        .article-prose table th,
        .article-prose table td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }

        .article-prose table th {
            background: var(--bg-alt);
            color: var(--primary);
            font-weight: 600;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding: 20px 48px 28px;
        }

        .tag {
            display: inline-block;
            padding: 7px 16px;
            background: rgba(18, 164, 164, 0.08);
            border: 1px solid rgba(18, 164, 164, 0.18);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            border-radius: 40px;
            transition: var(--transition);
        }

        .tag:hover {
            background: rgba(18, 164, 164, 0.2);
            transform: translateY(-2px);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 48px 36px;
            border-top: 1px solid var(--border-light);
            color: var(--text-muted);
            font-size: 14px;
        }

        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--bg-alt);
            border-radius: 50%;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .article-share a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-3px);
        }

        .not-found-card {
            text-align: center;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 72px 40px;
        }

        .nf-icon {
            width: 88px;
            height: 88px;
            margin: 0 auto 24px;
            border-radius: 50%;
            background: rgba(18, 164, 164, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 34px;
            color: var(--accent);
        }

        .not-found-card h2 {
            font-size: 30px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .not-found-card p {
            color: var(--text-muted);
            margin-bottom: 28px;
            font-size: 16px;
        }

        .btn-primary,
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 48px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(18, 164, 164, 0.3);
        }

        .btn-primary:hover {
            background: var(--accent-2);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(18, 164, 164, 0.4);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.25);
            color: #fff;
            transform: translateY(-3px);
        }

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            min-width: 0;
        }

        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 28px;
        }

        .sidebar-card h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
        }

        .sidebar-card h3 i {
            color: var(--accent);
        }

        .side-list {
            list-style: none;
            display: flex;
            flex-direction: column;
        }

        .side-list li {
            border-bottom: 1px solid var(--border-light);
        }

        .side-list li:last-child {
            border-bottom: none;
        }

        .side-list a {
            display: block;
            padding: 12px 0;
            color: var(--text);
        }

        .side-list a:hover {
            color: var(--accent);
        }

        .side-title {
            display: block;
            font-size: 14px;
            font-weight: 500;
            line-height: 1.5;
            margin-bottom: 4px;
        }

        .side-date {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
        }

        .side-cats {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .side-cats a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 16px;
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

        .side-cats a::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .side-cats a:hover {
            background: rgba(18, 164, 164, 0.1);
            color: var(--accent);
            padding-left: 20px;
        }

        .contact-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .related-section {
            padding: var(--space-section) 0;
            background: var(--bg-alt);
        }

        .section-head {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .rel-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .rel-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .rel-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

        .rel-card:hover .rel-cover img {
            transform: scale(1.06);
        }

        .rel-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(11, 31, 53, 0.75);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, 0.18);
        }

        .rel-body {
            padding: 24px 24px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .rel-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .rel-body h3 a {
            color: var(--text);
        }

        .rel-body h3 a:hover {
            color: var(--accent);
        }

        .rel-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .rel-date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .rel-date i {
            color: var(--accent);
        }

        .cta-section {
            padding: var(--space-section) 0;
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(18, 164, 164, 0.35) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -60px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(18, 164, 164, 0.22) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-box {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-content {
            max-width: 560px;
        }

        .cta-content h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 14px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .faq-section {
            padding: var(--space-section) 0;
            background: var(--bg);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(18, 164, 164, 0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            user-select: none;
        }

        .faq-question i {
            color: var(--accent);
            font-size: 14px;
            transition: transform 0.4s ease;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

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

        .faq-item.active .faq-answer {
            max-height: 260px;
        }

        .faq-answer p {
            padding: 0 28px 20px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
        }

        .site-footer {
            background: #081322;
            color: rgba(255, 255, 255, 0.75);
            padding: 68px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.65);
            max-width: 340px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent-2);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-bottom a:hover {
            color: var(--accent-2);
        }

        .empty-text {
            text-align: center;
            color: var(--text-muted);
            padding: 40px 0;
            font-size: 16px;
        }

        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }

            .related-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 64px;
            }

            .container {
                padding: 0 20px;
            }

            .site-header {
                height: 62px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 16px;
                right: 16px;
                background: rgba(11, 31, 53, 0.98);
                border-radius: var(--radius);
                box-shadow: var(--shadow-lg);
                flex-direction: column;
                padding: 18px;
                gap: 4px;
                margin: 0;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-link {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }

            .nav-link.active::after {
                left: 16px;
                right: auto;
                width: 32px;
                bottom: auto;
                top: 50%;
                transform: translateY(-50%);
                height: 16px;
                border-radius: 4px;
                background: rgba(18, 164, 164, 0.35);
            }

            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
            }

            .nav-toggle {
                display: flex;
            }

            .article-hero {
                min-height: 320px;
            }

            .article-hero .hero-content {
                padding: 96px 20px 52px;
            }

            .article-hero h1 {
                font-size: 27px;
                line-height: 1.4;
            }

            .hero-desc {
                font-size: 15px;
            }

            .article-meta {
                gap: 10px;
            }

            .article-meta span {
                padding: 6px 12px;
                font-size: 13px;
            }

            .article-prose {
                padding: 28px 24px 20px;
            }

            .article-tags {
                padding: 16px 24px 20px;
            }

            .article-share {
                padding: 16px 24px 28px;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .rel-cover {
                aspect-ratio: 16 / 8;
            }

            .cta-box {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-actions {
                width: 100%;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-ghost {
                width: 100%;
            }

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

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

            .section-head h2 {
                font-size: 27px;
            }

            .faq-question {
                padding: 17px 20px;
                font-size: 15px;
            }

            .faq-answer p {
                padding: 0 20px 16px;
            }
        }

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

            .nav-cta {
                display: none;
            }

            .article-hero h1 {
                font-size: 24px;
            }

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

            .article-meta {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .article-prose {
                padding: 22px 18px 16px;
                font-size: 15px;
            }

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

            .article-tags {
                padding: 14px 18px 18px;
            }

            .article-share {
                padding: 14px 18px 22px;
            }

            .not-found-card {
                padding: 48px 24px;
            }

            .not-found-card h2 {
                font-size: 26px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .section-head p {
                font-size: 14px;
            }

            .article-sidebar {
                gap: 18px;
            }

            .sidebar-card {
                padding: 22px;
            }

            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root{
            --primary:#0f766e;
            --primary-dark:#0a5f58;
            --primary-light:#d7f0ec;
            --secondary:#2d8fb7;
            --secondary-light:#e3f2f8;
            --accent:#ff9f43;
            --accent-light:#fff0df;
            --dark:#0e1c1a;
            --dark-2:#152825;
            --body-bg:#f5f9f8;
            --card-bg:#ffffff;
            --text:#1c2b28;
            --text-light:#5b6e69;
            --text-muted:#84968f;
            --border:#e2ece9;
            --radius-lg:20px;
            --radius-md:14px;
            --radius-sm:10px;
            --shadow-sm:0 2px 10px rgba(14,28,26,.06);
            --shadow-md:0 10px 30px rgba(14,28,26,.08);
            --shadow-lg:0 20px 60px rgba(14,28,26,.12);
            --transition:.3s ease;
            --container:1200px;
        }
        *{margin:0;padding:0;box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
            line-height:1.7;
            color:var(--text);
            background:var(--body-bg);
            -webkit-font-smoothing:antialiased;
        }
        img{max-width:100%;display:block}
        a{text-decoration:none;color:inherit;transition:color var(--transition)}
        ul,ol{list-style:none}
        button,input{font-family:inherit;border:none;outline:none}
        button{cursor:pointer;background:none}
        .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
        .section{padding:88px 0}
        .section-tag{
            display:inline-flex;align-items:center;gap:8px;
            font-size:14px;font-weight:600;color:var(--primary);
            background:var(--primary-light);padding:6px 16px;border-radius:40px;
            letter-spacing:.5px;
        }
        .section-tag i{font-size:12px}
        .section-header{text-align:center;max-width:680px;margin:0 auto 56px}
        .section-header h2{
            font-size:36px;font-weight:800;line-height:1.3;
            margin:16px 0 12px;color:var(--dark);letter-spacing:.5px;
        }
        .section-header p{font-size:16px;color:var(--text-light);line-height:1.8}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            padding:12px 28px;border-radius:50px;font-size:15px;font-weight:600;
            transition:all var(--transition);letter-spacing:.3px;
        }
        .btn-primary{
            background:var(--primary);color:#fff;
            box-shadow:0 4px 20px rgba(15,118,110,.25);
        }
        .btn-primary:hover{
            background:var(--primary-dark);
            transform:translateY(-2px);
            box-shadow:0 8px 28px rgba(15,118,110,.35);
        }
        .btn-outline{
            background:transparent;color:var(--primary);
            border:2px solid var(--primary);
        }
        .btn-outline:hover{
            background:var(--primary-light);
            transform:translateY(-2px);
        }
        .btn-accent{
            background:var(--accent);color:#fff;
            box-shadow:0 4px 20px rgba(255,159,67,.3);
        }
        .btn-accent:hover{
            filter:brightness(1.05);
            transform:translateY(-2px);
            box-shadow:0 8px 28px rgba(255,159,67,.4);
        }
        /* ===== Header ===== */
        .site-header{
            position:fixed;top:0;left:0;right:0;z-index:1000;
            background:rgba(255,255,255,.72);
            backdrop-filter:blur(18px);
            -webkit-backdrop-filter:blur(18px);
            border-bottom:1px solid rgba(255,255,255,.3);
            transition:all var(--transition);
        }
        .site-header.scrolled{
            background:rgba(255,255,255,.94);
            box-shadow:0 6px 32px rgba(14,28,26,.08);
            border-bottom-color:var(--border);
        }
        .nav-wrapper{
            display:flex;align-items:center;justify-content:space-between;
            height:72px;gap:32px;
        }
        .logo{
            display:inline-flex;align-items:center;gap:10px;
            font-size:22px;font-weight:800;color:var(--dark);
            letter-spacing:.5px;
        }
        .logo-icon{
            width:38px;height:38px;border-radius:12px;
            background:linear-gradient(135deg,var(--primary),var(--secondary));
            display:flex;align-items:center;justify-content:center;
            color:#fff;font-size:16px;
            box-shadow:0 4px 14px rgba(15,118,110,.3);
        }
        .nav-links{
            display:flex;align-items:center;gap:6px;
        }
        .nav-link{
            position:relative;
            padding:10px 18px;border-radius:40px;
            font-size:15px;font-weight:500;color:var(--text-light);
            transition:all var(--transition);
        }
        .nav-link:hover{
            color:var(--primary);
            background:rgba(15,118,110,.07);
        }
        .nav-link.active{
            color:var(--primary);
            background:var(--primary-light);
            font-weight:600;
        }
        .nav-link.active::after{
            content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);
            width:20px;height:3px;border-radius:3px;background:var(--primary);
        }
        .nav-cta{
            display:inline-flex;align-items:center;gap:8px;
            padding:10px 22px;border-radius:40px;
            background:var(--dark);color:#fff;
            font-size:14px;font-weight:600;
            transition:all var(--transition);
            box-shadow:0 4px 16px rgba(14,28,26,.2);
        }
        .nav-cta:hover{
            background:var(--primary);
            transform:translateY(-2px);
            box-shadow:0 8px 24px rgba(15,118,110,.3);
        }
        .nav-cta i{font-size:13px}
        .nav-toggle{
            display:none;flex-direction:column;gap:5px;
            width:44px;height:44px;border-radius:12px;
            background:rgba(15,118,110,.08);
            align-items:center;justify-content:center;
            transition:all var(--transition);
        }
        .nav-toggle span{
            width:20px;height:2px;background:var(--dark);
            border-radius:2px;transition:all var(--transition);
        }
        .nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
        .nav-toggle.active span:nth-child(2){opacity:0}
        .nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
        /* ===== Hero ===== */
        .page-hero{
            position:relative;
            padding:200px 0 110px;
            background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            isolation:isolate;
        }
        .page-hero::before{
            content:'';position:absolute;inset:0;
            background:linear-gradient(180deg,rgba(14,28,26,.55) 0%,rgba(14,28,26,.65) 100%);
            z-index:-1;
        }
        .page-hero-content{
            max-width:720px;
            color:#fff;
        }
        .hero-badge{
            display:inline-flex;align-items:center;gap:8px;
            background:rgba(255,255,255,.18);
            border:1px solid rgba(255,255,255,.3);
            backdrop-filter:blur(8px);
            padding:8px 20px;border-radius:40px;
            font-size:14px;font-weight:600;letter-spacing:1px;
            margin-bottom:24px;
        }
        .page-hero h1{
            font-size:52px;font-weight:800;line-height:1.2;
            letter-spacing:1px;margin-bottom:20px;
        }
        .page-hero p{
            font-size:18px;line-height:1.8;
            color:rgba(255,255,255,.88);
            margin-bottom:36px;max-width:600px;
        }
        .hero-actions{
            display:flex;gap:16px;flex-wrap:wrap;
        }
        /* ===== Intro ===== */
        .intro-section{
            background:var(--card-bg);
            border-bottom:1px solid var(--border);
        }
        .intro-grid{
            display:grid;grid-template-columns:1.2fr 1fr;
            gap:64px;align-items:center;
        }
        .intro-text h2{
            font-size:32px;font-weight:800;line-height:1.35;
            color:var(--dark);margin:16px 0 20px;
        }
        .intro-text p{
            font-size:16px;color:var(--text-light);
            line-height:1.9;margin-bottom:16px;
        }
        .intro-points{
            margin-top:28px;display:flex;flex-direction:column;gap:14px;
        }
        .intro-points li{
            display:flex;align-items:flex-start;gap:14px;
            font-size:15px;color:var(--text);
            background:var(--body-bg);
            padding:14px 18px;border-radius:var(--radius-md);
            border:1px solid var(--border);
        }
        .intro-points li i{
            color:var(--primary);font-size:16px;margin-top:3px;
        }
        .intro-stats{
            display:grid;grid-template-columns:1fr 1fr;gap:20px;
        }
        .stat-card{
            background:var(--card-bg);
            border:1px solid var(--border);
            border-radius:var(--radius-lg);
            padding:32px 24px;text-align:center;
            box-shadow:var(--shadow-sm);
            transition:all var(--transition);
        }
        .stat-card:hover{
            transform:translateY(-4px);
            box-shadow:var(--shadow-md);
            border-color:rgba(15,118,110,.3);
        }
        .stat-card .num{
            font-size:40px;font-weight:800;color:var(--primary);
            line-height:1.2;letter-spacing:-1px;
        }
        .stat-card .label{
            font-size:14px;color:var(--text-light);
            margin-top:8px;font-weight:500;
        }
        .stat-card.accent .num{color:var(--accent)}
        .stat-card.blue .num{color:var(--secondary)}
        /* ===== Guides ===== */
        .guides-section{
            background:var(--body-bg);
        }
        .guides-grid{
            display:grid;grid-template-columns:repeat(3,1fr);
            gap:28px;
        }
        .guide-card{
            background:var(--card-bg);
            border-radius:var(--radius-lg);
            overflow:hidden;
            border:1px solid var(--border);
            box-shadow:var(--shadow-sm);
            transition:all var(--transition);
        }
        .guide-card:hover{
            transform:translateY(-6px);
            box-shadow:var(--shadow-lg);
        }
        .guide-card-image{
            position:relative;height:200px;overflow:hidden;
        }
        .guide-card-image img{
            width:100%;height:100%;object-fit:cover;
            transition:transform .6s ease;
        }
        .guide-card:hover .guide-card-image img{
            transform:scale(1.06);
        }
        .guide-card-image::after{
            content:'';position:absolute;inset:0;
            background:linear-gradient(180deg,transparent 55%,rgba(14,28,26,.4));
        }
        .guide-card-tag{
            position:absolute;top:16px;left:16px;z-index:2;
            background:rgba(255,255,255,.9);
            backdrop-filter:blur(8px);
            padding:6px 14px;border-radius:30px;
            font-size:13px;font-weight:600;color:var(--primary);
        }
        .guide-card-body{
            padding:24px 26px 28px;
        }
        .guide-card-body h3{
            font-size:19px;font-weight:700;color:var(--dark);
            margin-bottom:10px;
        }
        .guide-card-body p{
            font-size:14px;color:var(--text-light);
            line-height:1.8;margin-bottom:20px;
        }
        .guide-link{
            display:inline-flex;align-items:center;gap:8px;
            font-size:14px;font-weight:600;color:var(--primary);
        }
        .guide-link i{
            font-size:12px;transition:transform var(--transition);
        }
        .guide-link:hover i{
            transform:translateX(4px);
        }
        /* ===== Articles ===== */
        .articles-section{
            background:var(--card-bg);
            border-top:1px solid var(--border);
            border-bottom:1px solid var(--border);
        }
        .articles-list{
            display:flex;flex-direction:column;gap:24px;
            max-width:960px;margin:0 auto;
        }
        .article-item{
            display:grid;grid-template-columns:240px 1fr;
            background:var(--card-bg);
            border:1px solid var(--border);
            border-radius:var(--radius-lg);
            overflow:hidden;
            transition:all var(--transition);
            box-shadow:var(--shadow-sm);
        }
        .article-item:hover{
            box-shadow:var(--shadow-md);
            border-color:rgba(15,118,110,.3);
            transform:translateY(-2px);
        }
        .article-image{
            height:100%;min-height:180px;overflow:hidden;
            position:relative;
        }
        .article-image img{
            width:100%;height:100%;object-fit:cover;
            transition:transform .6s ease;
        }
        .article-item:hover .article-image img{
            transform:scale(1.05);
        }
        .article-body{
            padding:28px 30px;
            display:flex;flex-direction:column;justify-content:center;
            gap:10px;
        }
        .article-meta{
            display:flex;align-items:center;gap:16px;
            font-size:13px;color:var(--text-muted);
        }
        .article-meta .tag{
            display:inline-flex;align-items:center;gap:6px;
            background:var(--secondary-light);
            color:var(--secondary);
            padding:4px 14px;border-radius:30px;
            font-weight:600;font-size:12px;
        }
        .article-body h3{
            font-size:20px;font-weight:700;color:var(--dark);
            line-height:1.45;
        }
        .article-body h3 a:hover{
            color:var(--primary);
        }
        .article-body p{
            font-size:14px;color:var(--text-light);
            line-height:1.8;
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            overflow:hidden;
        }
        .article-meta-bottom{
            display:flex;align-items:center;gap:18px;
            font-size:13px;color:var(--text-muted);
            margin-top:6px;
        }
        .article-meta-bottom i{
            font-size:13px;margin-right:6px;
        }
        /* ===== Process ===== */
        .process-section{
            background:var(--dark);
            position:relative;
            overflow:hidden;
        }
        .process-section::before{
            content:'';position:absolute;top:-120px;right:-120px;
            width:360px;height:360px;border-radius:50%;
            background:rgba(15,118,110,.18);
            filter:blur(60px);
        }
        .process-section .section-header h2{
            color:#fff;
        }
        .process-section .section-header p{
            color:rgba(255,255,255,.7);
        }
        .process-grid{
            display:grid;grid-template-columns:repeat(4,1fr);
            gap:32px;position:relative;
        }
        .process-step{
            position:relative;
            padding:36px 28px;
            background:rgba(255,255,255,.05);
            border:1px solid rgba(255,255,255,.12);
            border-radius:var(--radius-lg);
            backdrop-filter:blur(10px);
            transition:all var(--transition);
        }
        .process-step:hover{
            background:rgba(255,255,255,.1);
            border-color:rgba(255,255,255,.25);
            transform:translateY(-4px);
        }
        .step-num{
            display:inline-flex;align-items:center;justify-content:center;
            width:52px;height:52px;border-radius:16px;
            background:linear-gradient(135deg,var(--primary),var(--secondary));
            color:#fff;font-size:22px;font-weight:800;
            margin-bottom:24px;
            box-shadow:0 8px 24px rgba(15,118,110,.3);
        }
        .process-step h3{
            font-size:17px;font-weight:700;color:#fff;
            margin-bottom:12px;
        }
        .process-step p{
            font-size:14px;color:rgba(255,255,255,.65);
            line-height:1.8;
        }
        .process-line{
            position:absolute;top:61px;left:calc(25% + 20px);
            width:calc(50% - 40px);height:2px;
            background:linear-gradient(90deg,rgba(15,118,110,.5),rgba(45,143,183,.5));
        }
        /* ===== FAQ ===== */
        .faq-section{
            background:var(--body-bg);
        }
        .faq-list{
            max-width:820px;margin:0 auto;
            display:flex;flex-direction:column;gap:16px;
        }
        .faq-item{
            background:var(--card-bg);
            border:1px solid var(--border);
            border-radius:var(--radius-md);
            overflow:hidden;
            transition:all var(--transition);
        }
        .faq-item.active{
            border-color:rgba(15,118,110,.35);
            box-shadow:var(--shadow-md);
        }
        .faq-question{
            display:flex;align-items:center;justify-content:space-between;
            padding:22px 28px;cursor:pointer;
            font-size:16px;font-weight:600;color:var(--dark);
            transition:color var(--transition);
            gap:20px;
        }
        .faq-question:hover{
            color:var(--primary);
        }
        .faq-icon{
            width:32px;height:32px;border-radius:50%;
            background:var(--primary-light);
            display:flex;align-items:center;justify-content:center;
            color:var(--primary);font-size:14px;
            transition:all var(--transition);
            flex-shrink:0;
        }
        .faq-item.active .faq-icon{
            background:var(--primary);color:#fff;
            transform:rotate(45deg);
        }
        .faq-answer{
            max-height:0;overflow:hidden;
            transition:max-height .4s ease;
            padding:0 28px;
        }
        .faq-item.active .faq-answer{
            max-height:320px;
            padding-bottom:24px;
        }
        .faq-answer p{
            font-size:15px;color:var(--text-light);
            line-height:1.9;
            border-top:1px solid var(--border);
            padding-top:18px;
        }
        /* ===== CTA ===== */
        .cta-section{
            background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 50%,var(--dark-2) 100%);
            padding:90px 0;
            position:relative;
            overflow:hidden;
        }
        .cta-section::before{
            content:'';position:absolute;top:0;right:0;
            width:420px;height:420px;border-radius:50%;
            background:rgba(255,255,255,.06);
            transform:translate(30%,-30%);
        }
        .cta-content{
            text-align:center;color:#fff;
            max-width:640px;margin:0 auto;position:relative;z-index:2;
        }
        .cta-content h2{
            font-size:36px;font-weight:800;line-height:1.3;
            margin-bottom:16px;letter-spacing:1px;
        }
        .cta-content p{
            font-size:16px;line-height:1.8;
            color:rgba(255,255,255,.85);
            margin-bottom:36px;
        }
        .cta-actions{
            display:flex;gap:16px;justify-content:center;flex-wrap:wrap;
        }
        /* ===== Footer ===== */
        .site-footer{
            background:var(--dark);
            padding:72px 0 32px;
            color:rgba(255,255,255,.8);
        }
        .footer-grid{
            display:grid;
            grid-template-columns:2fr 1fr 1fr;
            gap:48px;
            padding-bottom:48px;
            border-bottom:1px solid rgba(255,255,255,.1);
        }
        .footer-brand .logo{
            color:#fff;margin-bottom:20px;
        }
        .footer-brand .logo-icon{
            background:linear-gradient(135deg,var(--primary),var(--secondary));
        }
        .footer-brand p{
            font-size:14px;line-height:1.9;
            color:rgba(255,255,255,.6);
            max-width:360px;
        }
        .footer-col h4{
            color:#fff;font-size:16px;font-weight:700;
            margin-bottom:24px;
        }
        .footer-col ul{
            display:flex;flex-direction:column;gap:14px;
        }
        .footer-col ul li a{
            font-size:14px;color:rgba(255,255,255,.6);
            transition:all var(--transition);
        }
        .footer-col ul li a:hover{
            color:var(--accent);
            padding-left:6px;
        }
        .footer-bottom{
            display:flex;align-items:center;justify-content:space-between;
            padding-top:32px;
            font-size:13px;color:rgba(255,255,255,.45);
        }
        .footer-bottom a{
            display:inline-flex;align-items:center;gap:8px;
            padding:8px 18px;border-radius:30px;
            background:rgba(255,255,255,.08);
            color:rgba(255,255,255,.7);
            font-size:13px;
            transition:all var(--transition);
        }
        .footer-bottom a:hover{
            background:rgba(255,255,255,.15);
            color:#fff;
        }
        /* ===== Responsive ===== */
        @media(max-width:1024px){
            .nav-links{
                position:fixed;top:72px;left:0;right:0;
                background:rgba(255,255,255,.97);
                backdrop-filter:blur(20px);
                flex-direction:column;align-items:stretch;
                padding:20px 24px 24px;
                gap:8px;
                box-shadow:0 20px 40px rgba(0,0,0,.1);
                border-bottom:1px solid var(--border);
                transform:translateY(-120%);
                transition:transform .4s ease;
                z-index:-1;
            }
            .nav-links.open{
                transform:translateY(0);
            }
            .nav-link{
                padding:14px 20px;
                border-radius:12px;
                font-size:16px;
            }
            .nav-link.active::after{
                display:none;
            }
            .nav-toggle{
                display:flex;
            }
            .nav-cta{
                display:none;
            }
            .page-hero{
                padding:170px 0 90px;
            }
            .page-hero h1{
                font-size:42px;
            }
            .intro-grid{
                grid-template-columns:1fr;
                gap:48px;
            }
            .guides-grid{
                grid-template-columns:1fr 1fr;
            }
            .process-grid{
                grid-template-columns:1fr 1fr;
            }
            .process-line{
                display:none;
            }
            .footer-grid{
                grid-template-columns:1fr 1fr;
            }
        }
        @media(max-width:768px){
            .section{
                padding:64px 0;
            }
            .section-header h2{
                font-size:28px;
            }
            .page-hero h1{
                font-size:34px;
            }
            .page-hero p{
                font-size:16px;
            }
            .hero-actions .btn{
                width:100%;
            }
            .guides-grid{
                grid-template-columns:1fr;
            }
            .article-item{
                grid-template-columns:1fr;
            }
            .article-image{
                min-height:200px;
            }
            .article-body{
                padding:22px 24px;
            }
            .process-grid{
                grid-template-columns:1fr;
            }
            .stat-card .num{
                font-size:32px;
            }
            .footer-grid{
                grid-template-columns:1fr;
                gap:36px;
            }
            .cta-content h2{
                font-size:28px;
            }
            .cta-actions .btn{
                width:100%;
            }
        }
        @media(max-width:520px){
            .container{
                padding:0 18px;
            }
            .page-hero{
                padding:150px 0 70px;
            }
            .page-hero h1{
                font-size:30px;
            }
            .intro-stats{
                grid-template-columns:1fr;
            }
            .faq-question{
                padding:18px 20px;
                font-size:15px;
            }
            .faq-answer{
                padding:0 20px;
            }
            .faq-item.active .faq-answer{
                padding-bottom:20px;
            }
            .footer-bottom{
                flex-direction:column;
                gap:16px;
                text-align:center;
            }
        }

/* roulang page: category3 */
/* ========== 设计变量 ========== */
:root {
  --primary: #0b1222;
  --primary-light: #131f35;
  --primary-dark: #070c16;
  --accent: #06b6d4;
  --accent-rgb: 6, 182, 212;
  --accent-green: #10b981;
  --accent-green-rgb: 16, 185, 129;
  --bg: #f4f7fb;
  --bg-card: #ffffff;
  --text: #16233a;
  --text-muted: #5b6e86;
  --text-light: #8fa3b8;
  --border: #e3e9f2;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 4px 20px rgba(11, 18, 34, 0.06);
  --shadow-lg: 0 12px 36px rgba(11, 18, 34, 0.1);
  --shadow-accent: 0 8px 28px rgba(6, 182, 212, 0.22);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-w: 1200px;
  --header-h: 72px;
}

/* ========== 基础 Reset ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
  border: none;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}
ul,
ol {
  list-style: none;
}
button,
input {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}
button {
  cursor: pointer;
}
i {
  font-style: normal;
}
::selection {
  background: rgba(var(--accent-rgb), 0.18);
}

/* ========== 容器 ========== */
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container {
    padding: 0 18px;
  }
}

/* ========== 通用按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: 1px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}
.btn-primary:hover {
  background: #0891b2;
  transform: translateY(-2px);
  box-shadow: 0 12px 34px rgba(6, 182, 212, 0.32);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.2);
}
.btn-outline {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 18px rgba(11, 18, 34, 0.12);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(11, 18, 34, 0.14);
}
.btn:focus-visible {
  outline: 3px solid rgba(var(--accent-rgb), 0.5);
  outline-offset: 2px;
}

/* ========== 标签 / 徽章 ========== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: rgba(var(--accent-rgb), 0.1);
  color: #0e7490;
  border: 1px solid rgba(var(--accent-rgb), 0.2);
}
.tag-green {
  background: rgba(var(--accent-green-rgb), 0.12);
  color: #0f766e;
  border-color: rgba(var(--accent-green-rgb), 0.24);
}
.tag-dark {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
}

/* ========== 基础 Section 样式 ========== */
.section {
  padding: 96px 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-head .eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary);
  letter-spacing: -0.01em;
}
.section-head .subtitle {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 460px;
  margin-top: 10px;
}
.section-head .more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  border: 1px solid var(--border);
  padding: 10px 22px;
  border-radius: 999px;
  transition: all var(--transition);
  background: #fff;
}
.section-head .more-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .section-head {
    margin-bottom: 32px;
  }
}

/* ========== 顶部导航（玻璃） ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(11, 18, 34, 0.35);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.4s ease;
}
.site-header.scrolled {
  background: rgba(11, 18, 34, 0.92);
  backdrop-filter: blur(24px) saturate(160%);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.28);
  border-bottom-color: rgba(255, 255, 255, 0.06);
}
.nav-wrapper {
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
  flex-shrink: 0;
  transition: opacity var(--transition);
}
.logo:hover {
  opacity: 0.85;
}
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-green) 100%);
  color: #fff;
  font-size: 16px;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.35);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 32px;
  flex: 1;
}
.nav-link {
  position: relative;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  transition: all var(--transition);
}
.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.09);
}
.nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  font-weight: 600;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-green) 100%);
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3);
  transition: all var(--transition);
  flex-shrink: 0;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.42);
  color: #fff;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  margin-left: auto;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
@media (max-width: 992px) {
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(11, 18, 34, 0.97);
    backdrop-filter: blur(24px);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px 28px;
    gap: 6px;
    margin: 0;
    transform: translateY(-120%);
    transition: transform 0.4s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 999;
  }
  .nav-links.open {
    transform: translateY(0);
  }
  .nav-link {
    padding: 14px 20px;
    font-size: 16px;
    border-radius: 12px;
  }
  .nav-link.active::after {
    left: 20px;
    right: 20px;
    bottom: 8px;
  }
  .nav-cta {
    margin-left: auto;
  }
  .nav-toggle {
    display: inline-flex;
  }
}
@media (max-width: 600px) {
  .nav-cta {
    display: none;
  }
}

/* ========== Hero / 页头横幅 ========== */
.hero {
  position: relative;
  min-height: 520px;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  display: flex;
  align-items: center;
  padding: 160px 0 96px;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7, 12, 22, 0.92) 0%, rgba(11, 18, 34, 0.72) 50%, rgba(6, 182, 212, 0.3) 100%);
  z-index: 1;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(6, 182, 212, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 15% 80%, rgba(16, 185, 129, 0.12) 0%, transparent 70%);
  z-index: 2;
}
.hero .container {
  position: relative;
  z-index: 3;
}
.hero-content {
  max-width: 720px;
}
.hero-content .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}
.hero-content .hero-tag i {
  color: var(--accent);
}
.hero-content h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.hero-content h1 span {
  background: linear-gradient(135deg, #67e8f9 0%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-content p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
@media (max-width: 768px) {
  .hero {
    min-height: 460px;
    padding: 140px 0 64px;
  }
  .hero-content h1 {
    font-size: 36px;
  }
  .hero-content p {
    font-size: 15px;
  }
}

/* ========== 数据统计条 ========== */
.stats-bar {
  background: var(--primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 36px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 20px 16px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition);
}
.stat-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
  border-color: rgba(var(--accent-rgb), 0.3);
}
.stat-item .num {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.stat-item .num em {
  font-style: normal;
  font-size: 22px;
  color: var(--accent);
  margin-left: 2px;
}
.stat-item .label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 4px;
  font-weight: 500;
}
@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .stat-item .num {
    font-size: 32px;
  }
}

/* ========== 头条聚焦 ========== */
.featured-section {
  padding: 96px 0 48px;
}
.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.featured-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  display: flex;
  min-height: 340px;
}
.featured-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.featured-card .cover-wrap {
  position: relative;
  flex: 1;
  min-height: 260px;
  overflow: hidden;
}
.featured-card .cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.featured-card:hover .cover-wrap img {
  transform: scale(1.05);
}
.featured-card .cover-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 18, 34, 0.65) 0%, transparent 55%);
}
.featured-card .cover-wrap .tag {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
}
.featured-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px;
  z-index: 2;
}
.featured-info h3 {
  color: #fff;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
}
.featured-info p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.featured-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}
.featured-meta i {
  margin-right: 4px;
  color: var(--accent);
}
@media (max-width: 992px) {
  .featured-grid {
    grid-template-columns: 1fr;
  }
  .featured-card {
    min-height: 300px;
  }
}

/* ========== 资讯列表 ========== */
.news-section {
  padding: 80px 0;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(var(--accent-rgb), 0.25);
}
.news-card .cover-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--primary-light);
}
.news-card .cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.news-card:hover .cover-wrap img {
  transform: scale(1.06);
}
.news-card .cover-wrap .tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(11, 18, 34, 0.78);
  color: #fff;
  border: none;
  backdrop-filter: blur(6px);
}
.news-card .cover-wrap .date-badge {
  position: absolute;
  bottom: 14px;
  right: 14px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 4px 12px;
}
.news-card-body {
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-card-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 10px;
  transition: color var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card:hover .news-card-body h3 {
  color: #0e7490;
}
.news-card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid #f0f3f8;
  font-size: 13px;
  color: var(--text-light);
}
.news-card-meta .views i {
  color: var(--accent);
  margin-right: 4px;
}
.news-card-meta .read-link {
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
}
.news-card-meta .read-link:hover {
  color: #0891b2;
}
@media (max-width: 992px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 赛事日程（表格感） ========== */
.schedule-section {
  background: var(--primary);
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}
.schedule-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
}
.schedule-section .container {
  position: relative;
  z-index: 2;
}
.schedule-section .section-head h2 {
  color: #fff;
}
.schedule-section .section-head .subtitle {
  color: rgba(255, 255, 255, 0.55);
}
.schedule-section .section-head .eyebrow {
  color: #67e8f9;
}
.schedule-table {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}
.schedule-row {
  display: grid;
  grid-template-columns: 120px 1fr 1.2fr 94px 120px;
  align-items: center;
  gap: 18px;
  padding: 22px 26px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: background var(--transition);
}
.schedule-row:last-child {
  border-bottom: none;
}
.schedule-row:hover {
  background: rgba(255, 255, 255, 0.05);
}
.schedule-row .date-cell {
  font-size: 14px;
  font-weight: 600;
  color: #67e8f9;
  font-variant-numeric: tabular-nums;
}
.schedule-row .game-cell {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}
.schedule-row .game-cell .game-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: #fff;
  flex-shrink: 0;
}
.schedule-row .match-cell {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}
.schedule-row .status-cell {
  text-align: center;
}
.status-pill {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.status-live {
  background: #ef4444;
  color: #fff;
  box-shadow: 0 0 14px rgba(239, 68, 68, 0.5);
}
.status-upcoming {
  background: rgba(var(--accent-rgb), 0.15);
  color: #67e8f9;
  border: 1px solid rgba(var(--accent-rgb), 0.3);
}
.status-done {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
}
.schedule-row .link-cell {
  text-align: right;
}
.schedule-row .link-cell a {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  transition: all var(--transition);
}
.schedule-row .link-cell a:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}
@media (max-width: 992px) {
  .schedule-row {
    grid-template-columns: 90px 1fr 1.2fr;
    padding: 18px 20px;
  }
  .schedule-row .status-cell,
  .schedule-row .link-cell {
    display: none;
  }
}
@media (max-width: 600px) {
  .schedule-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .schedule-row .date-cell::before,
  .schedule-row .game-cell::before {
    content: attr(data-label);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    margin-right: 8px;
  }
}

/* ========== 热门项目 ========== */
.games-section {
  padding: 96px 0;
}
.games-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.game-tile {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 18px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}
.game-tile:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(var(--accent-rgb), 0.35);
}
.game-tile .game-icon {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  margin-bottom: 16px;
  box-shadow: 0 8px 20px rgba(11, 18, 34, 0.14);
}
.game-tile .g-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.game-tile .g-count {
  font-size: 12px;
  color: var(--text-light);
  font-weight: 500;
}
.g-icon-1 { background: linear-gradient(135deg, #f59e0b, #d97706); }
.g-icon-2 { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.g-icon-3 { background: linear-gradient(135deg, #ef4444, #dc2626); }
.g-icon-4 { background: linear-gradient(135deg, #eab308, #ca8a04); }
.g-icon-5 { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.g-icon-6 { background: linear-gradient(135deg, #14b8a6, #0d9488); }
@media (max-width: 992px) {
  .games-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 520px) {
  .games-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

/* ========== FAQ ========== */
.faq-section {
  padding: 96px 0;
  background: #fff;
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  background: var(--bg);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item.open {
  border-color: rgba(var(--accent-rgb), 0.3);
  background: #fff;
  box-shadow: var(--shadow);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  width: 100%;
  text-align: left;
  transition: color var(--transition);
}
.faq-question:hover {
  color: #0e7490;
}
.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(var(--accent-rgb), 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--accent);
  transition: all var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--accent);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.open .faq-answer {
  max-height: 240px;
}
.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.75;
  border-top: 1px solid #f0f3f8;
  padding-top: 16px;
}
@media (max-width: 768px) {
  .faq-question {
    font-size: 15px;
    padding: 17px 18px;
  }
  .faq-answer-inner {
    padding: 0 18px 18px;
    padding-top: 14px;
  }
}

/* ========== 内容订阅 CTA ========== */
.cta-section {
  position: relative;
  padding: 96px 0;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  isolation: isolate;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7, 12, 22, 0.9) 0%, rgba(11, 18, 34, 0.82) 60%, rgba(6, 182, 212, 0.25) 100%);
  z-index: 1;
}
.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
}
.cta-section h2 {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
}
.cta-section p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 32px;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}
.cta-form input {
  flex: 1;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 14px;
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}
.cta-form input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}
.cta-form input:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.16);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.2);
}
.cta-form .btn {
  flex-shrink: 0;
}
@media (max-width: 600px) {
  .cta-form {
    flex-direction: column;
  }
  .cta-section h2 {
    font-size: 26px;
  }
}

/* ========== 页脚 ========== */
.site-footer {
  background: #0b1222;
  color: rgba(255, 255, 255, 0.65);
  padding-top: 72px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.5);
  max-width: 340px;
  margin-top: 4px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  transition: all var(--transition);
}
.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
}
.footer-bottom a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  transition: color var(--transition);
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
}
.footer-bottom a:hover {
  color: #fff;
  border-color: rgba(var(--accent-rgb), 0.4);
}
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}
@media (max-width: 600px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
}

/* ========== 面包屑 ========== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}
.breadcrumb a:hover {
  color: #fff;
}
.breadcrumb i {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
}

/* ========== 焦点可见性 ========== */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(var(--accent-rgb), 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}