/* roulang page: index */
:root {
    --bg-primary: #0B0F1F;
    --bg-secondary: #10162A;
    --bg-glass: rgba(16, 22, 40, 0.72);
    --bg-deep: #070A14;
    --border-color: rgba(255, 255, 255, 0.14);
    --border-hover: rgba(214, 255, 63, 0.45);
    --text-primary: #F2F5FA;
    --text-secondary: rgba(242, 245, 250, 0.66);
    --text-muted: rgba(242, 245, 250, 0.42);
    --accent: #D6FF3F;
    --accent-hover: #E4FF70;
    --accent-orange: #FF7A29;
    --error: #FF5470;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 10px;
    --radius-badge: 999px;
    --shadow-card: 0 10px 36px rgba(0, 0, 0, 0.45);
    --shadow-btn: 0 0 24px rgba(214, 255, 63, 0.18);
    --shadow-btn-hover: 0 0 36px rgba(214, 255, 63, 0.28);
    --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-num: "DIN Alternate", "Bahnschrift", system-ui;
    --container-width: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 26px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}
.btn-primary {
    background: var(--accent);
    color: #0B0F1F;
    box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-btn-hover);
}
.btn-primary:active { transform: translateY(0) scale(0.98); }
.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.25);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(214, 255, 63, 0.06);
}
.btn-block { width: 100%; }
.btn:focus-visible,
.main-nav a:focus-visible,
.faq-question:focus-visible,
.form-group input:focus-visible,
.form-group select:focus-visible {
    outline: 2px solid rgba(214, 255, 63, 0.6);
    outline-offset: 2px;
}

/* Header & Nav */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 72px;
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
    background: rgba(11, 15, 31, 0.86);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}
.logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #0B0F1F;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 800;
    flex-shrink: 0;
}
.main-nav ul { display: flex; gap: 28px; }
.main-nav a {
    font-size: 16px;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 10px;
    transition: all 0.3s ease;
}
.main-nav a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}
.main-nav a.active {
    color: var(--accent);
    background: rgba(214, 255, 63, 0.10);
    box-shadow: inset 0 0 0 1px rgba(214, 255, 63, 0.3);
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}
.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 */
.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 72px;
    padding-bottom: 60px;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    z-index: 0;
}
.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(11, 15, 31, 0.88), rgba(11, 15, 31, 0.55));
}
.hero-grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
    padding-top: 40px;
    padding-bottom: 20px;
}
.hero h1 {
    font-size: 48px;
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 20px;
}
.hero-sub {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 560px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-stats {
    position: absolute;
    right: 24px;
    bottom: 48px;
    z-index: 2;
    display: flex;
    gap: 18px;
    padding: 20px 28px;
    background: rgba(16, 22, 40, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), var(--shadow-card);
}
.stat-item { text-align: center; min-width: 80px; }
.stat-num {
    font-family: var(--font-num);
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    display: block;
    line-height: 1.2;
}
.stat-label { font-size: 13px; color: var(--text-secondary); }

/* Section */
.section-head {
    margin-bottom: 44px;
    max-width: 640px;
}
.section-head h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}
.section-head p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Timeline */
.timeline-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}
.timeline {
    position: relative;
    padding-left: 40px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: linear-gradient(to bottom, rgba(214, 255, 63, 0.5), rgba(214, 255, 63, 0.08));
}
.timeline-item {
    position: relative;
    padding: 20px 24px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    transition: all 0.3s ease;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 6px 24px rgba(0, 0, 0, 0.3);
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -36px;
    top: 22px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(214, 255, 63, 0.15), 0 0 16px rgba(214, 255, 63, 0.4);
}
.timeline-item:hover {
    border-color: var(--border-hover);
    transform: translateX(6px);
}
.timeline-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}
.timeline-time {
    font-family: var(--font-num);
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
}
.timeline-tag {
    font-size: 12px;
    color: var(--text-secondary);
    background: rgba(214, 255, 63, 0.1);
    border: 1px solid rgba(214, 255, 63, 0.25);
    padding: 2px 10px;
    border-radius: 999px;
}
.timeline-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}
.timeline-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Highlights */
.highlights-section { padding: 80px 0; }
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.highlight-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), var(--shadow-card);
}
.highlight-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}
.highlight-card .card-media {
    height: 200px;
    overflow: hidden;
}
.highlight-card .card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.highlight-card:hover .card-media img { transform: scale(1.03); }
.highlight-card .card-body { padding: 24px; }
.highlight-card .card-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 6px;
}
.highlight-card .card-role {
    font-size: 14px;
    color: var(--accent);
    margin-bottom: 10px;
}
.highlight-card .card-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

/* News */
.news-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}
.news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.news-card {
    display: flex;
    gap: 20px;
    padding: 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 16px rgba(0, 0, 0, 0.25);
}
.news-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}
.news-thumb {
    width: 120px;
    height: 120px;
    flex-shrink: 0;
    border-radius: 12px;
    overflow: hidden;
}
.news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.news-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}
.news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}
.news-cat {
    font-size: 12px;
    color: #0B0F1F;
    background: var(--accent);
    padding: 2px 10px;
    border-radius: 999px;
    font-weight: 600;
}
.news-time {
    font-size: 13px;
    color: var(--text-muted);
}
.news-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.news-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.news-more {
    margin-top: 8px;
    font-size: 14px;
    color: var(--accent);
    font-weight: 500;
}
.news-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background: var(--bg-glass);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: 16px;
}

/* Tickets */
.ticket-section { padding: 80px 0; }
.ticket-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}
.ticket-card {
    position: relative;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 28px 28px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), var(--shadow-card);
}
.ticket-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}
.ticket-card.ticket-recommended {
    border-color: rgba(214, 255, 63, 0.4);
    box-shadow: 0 0 36px rgba(214, 255, 63, 0.12), var(--shadow-card);
}
.ticket-rec-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-orange);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 18px;
    border-radius: 999px;
    letter-spacing: 1px;
    white-space: nowrap;
}
.ticket-name {
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 8px;
}
.ticket-price {
    text-align: center;
    margin-bottom: 24px;
}
.price-symbol {
    font-size: 20px;
    vertical-align: top;
    color: var(--text-secondary);
}
.price-num {
    font-family: var(--font-num);
    font-size: 44px;
    font-weight: 800;
    color: var(--accent);
}
.ticket-benefits {
    flex: 1;
    margin-bottom: 24px;
}
.ticket-benefits li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 14px;
    color: var(--text-secondary);
}
.ticket-benefits li::before {
    content: '✓';
    margin-right: 8px;
    color: var(--accent);
    font-weight: 700;
}

/* Signup */
.signup-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}
.signup-wrap {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: start;
}
.signup-form-area {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), var(--shadow-card);
}
.signup-form-area h2 {
    font-size: 26px;
    margin-bottom: 24px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}
.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 15px;
    transition: all 0.3s ease;
}
.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: rgba(214, 255, 63, 0.8);
    box-shadow: 0 0 0 3px rgba(214, 255, 63, 0.15);
}
.form-group input.error {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(255, 84, 112, 0.15);
}
select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.form-privacy {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 16px;
    text-align: center;
}
.signup-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.signup-info h3 {
    font-size: 22px;
    margin-bottom: 16px;
}
.info-list li {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 15px;
    color: var(--text-secondary);
}
.info-num {
    font-family: var(--font-num);
    color: var(--accent);
    font-weight: 700;
    font-size: 16px;
}
.signup-note {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.signup-note p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}
.signup-note p:last-child { margin-bottom: 0; }

/* FAQ */
.faq-section { padding: 80px 0; }
.faq-list {
    max-width: 760px;
    margin: 0 auto;
}
.faq-item {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 14px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 16px rgba(0, 0, 0, 0.25);
}
.faq-item.active {
    border-color: var(--border-hover);
    background: rgba(214, 255, 63, 0.05);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    text-align: left;
    transition: color 0.3s ease;
    gap: 16px;
}
.faq-question:hover { color: var(--accent); }
.faq-icon {
    position: relative;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}
.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: var(--accent);
    border-radius: 2px;
    transition: all 0.3s ease;
}
.faq-icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}
.faq-icon::after {
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
}
.faq-item.active .faq-icon::after {
    opacity: 0;
    transform: translateX(-50%) rotate(90deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p {
    padding: 0 24px 20px;
    font-size: 15px;
    color: var(--text-secondary);
}

/* Footer */
.site-footer {
    background: var(--bg-deep);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 60px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p {
    font-size: 14px;
    color: var(--text-secondary);
    max-width: 320px;
    line-height: 1.7;
}
.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}
.footer-links a:hover { color: var(--accent); }
.footer-contact p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: rgba(242, 245, 250, 0.42);
    flex-wrap: wrap;
    gap: 8px;
}

/* Responsive */
@media (max-width: 1024px) {
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .ticket-grid { grid-template-columns: repeat(2, 1fr); }
    .signup-wrap { grid-template-columns: 1fr; }
    .hero-stats {
        position: static;
        margin: 28px auto 0;
        width: calc(100% - 48px);
        justify-content: center;
        flex-wrap: wrap;
    }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero { padding-bottom: 40px; }
    .hero-stats { right: auto; bottom: auto; }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(11, 15, 31, 0.96);
        backdrop-filter: blur(12px);
        padding: 16px 24px 24px;
        border-bottom: 1px solid var(--border-color);
        z-index: 999;
    }
    .main-nav.open { display: flex; }
    .main-nav ul { flex-direction: column; gap: 4px; }
    .main-nav a { display: block; padding: 14px 16px; font-size: 17px; }
    .nav-toggle { display: flex; }
    .container { padding-left: 16px; padding-right: 16px; }
    .hero h1 { font-size: 36px; }
    .hero-sub { font-size: 16px; }
    .hero { min-height: 85vh; }
    .timeline-section,
    .highlights-section,
    .news-section,
    .ticket-section,
    .signup-section,
    .faq-section { padding: 48px 0; }
    .section-head h2 { font-size: 26px; }
    .cards-grid { grid-template-columns: 1fr; }
    .ticket-grid { grid-template-columns: 1fr; }
    .news-card { flex-direction: column; }
    .news-thumb { width: 100%; height: 180px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .signup-form-area { padding: 24px; }
    .hero-content { padding-top: 24px; }
    .hero-stats { width: calc(100% - 32px); }
}

@media (max-width: 520px) {
    .hero h1 { font-size: 28px; }
    .hero-sub { font-size: 15px; }
    .hero-actions { flex-direction: column; }
    .btn { width: 100%; }
    .timeline-meta { flex-wrap: wrap; }
    .ticket-card { padding: 24px; }
    .section-head { margin-bottom: 32px; }
    .timeline-item { padding: 16px; }
}

/* roulang page: article */
:root {
            --bg-deep: #0B0F1F;
            --bg-secondary: #10162A;
            --bg-glass: rgba(16, 22, 40, 0.72);
            --bg-footer: #070A14;
            --border-glass: rgba(255, 255, 255, 0.14);
            --border-hover: rgba(214, 255, 63, 0.45);
            --text-primary: #F2F5FA;
            --text-secondary: rgba(242, 245, 250, 0.66);
            --text-muted: rgba(242, 245, 250, 0.42);
            --accent: #D6FF3F;
            --accent-hover: #E4FF70;
            --warm: #FF7A29;
            --danger: #FF5470;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-card: 0 10px 36px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.05);
            --shadow-btn: 0 0 24px rgba(214, 255, 63, 0.18);
            --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

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

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            display: flex;
            align-items: center;
            background: transparent;
            transition: background 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
        }

        .site-header.scrolled {
            background: rgba(11, 15, 31, 0.86);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: var(--bg-deep);
            font-size: 20px;
            font-weight: 800;
            border-radius: 10px 4px 10px 4px;
            box-shadow: 0 0 20px rgba(214, 255, 63, 0.25);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--text-primary);
        }

        .main-nav ul {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-secondary);
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }

        .main-nav a:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.04);
        }

        .main-nav a.active {
            color: var(--accent);
            background: rgba(214, 255, 63, 0.10);
            border-color: rgba(214, 255, 63, 0.45);
            box-shadow: 0 0 16px rgba(214, 255, 63, 0.10);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.14);
            background: rgba(255, 255, 255, 0.04);
        }

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

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            text-align: center;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--bg-deep);
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(214, 255, 63, 0.28);
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.98);
            box-shadow: 0 0 18px rgba(214, 255, 63, 0.15);
        }

        .btn-secondary {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.25);
            color: #fff;
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            background: rgba(214, 255, 63, 0.06);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 2px solid rgba(214, 255, 63, 0.6);
            outline-offset: 2px;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-wrap {
            padding-top: 120px;
            padding-bottom: 14px;
            background: linear-gradient(to bottom, rgba(11, 15, 31, 0.95), var(--bg-deep));
        }

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

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.2s;
        }

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

        .breadcrumb .sep {
            color: var(--text-muted);
            opacity: 0.5;
        }

        .breadcrumb .current {
            color: var(--accent);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 320px;
        }

        /* ========== Article Layout ========== */
        .article-layout {
            padding-top: 28px;
            padding-bottom: 80px;
        }

        .article-card {
            max-width: 860px;
            margin: 0 auto;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            position: relative;
        }

        .article-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(214, 255, 63, 0.4), transparent);
        }

        .article-header {
            padding: 48px 56px 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .article-header h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

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

        .article-meta .category-badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            background: rgba(214, 255, 63, 0.10);
            border: 1px solid rgba(214, 255, 63, 0.35);
            color: var(--accent);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
        }

        .article-meta .meta-time,
        .article-meta .meta-source {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .article-meta .meta-time::before {
            content: "";
            width: 14px;
            height: 14px;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="rgba(242,245,250,0.42)" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/></svg>') center/contain no-repeat;
            opacity: 0.8;
        }

        .article-meta .meta-source::before {
            content: "";
            width: 14px;
            height: 14px;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="rgba(242,245,250,0.42)" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2"/><circle cx="12" cy="7" r="4"/></svg>') center/contain no-repeat;
            opacity: 0.8;
        }

        .article-content {
            padding: 40px 56px 32px;
            max-width: 760px;
            margin: 0 auto;
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 40px 0 18px;
            padding-left: 14px;
            border-left: 3px solid var(--accent);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 32px 0 14px;
        }

        .article-content p {
            margin-bottom: 24px;
            line-height: 1.9;
            color: var(--text-secondary);
            font-size: 16px;
        }

        .article-content img {
            margin: 32px auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card);
        }

        .article-content blockquote {
            position: relative;
            margin: 32px 0;
            padding: 20px 24px 20px 30px;
            background: rgba(214, 255, 63, 0.05);
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.8;
        }

        .article-content blockquote p {
            margin-bottom: 0;
            color: var(--text-primary);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 24px;
            padding-left: 24px;
        }

        .article-content ul {
            list-style: disc;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content li {
            margin-bottom: 8px;
            line-height: 1.9;
            color: var(--text-secondary);
        }

        .article-content a {
            color: var(--accent);
            border-bottom: 1px solid rgba(214, 255, 63, 0.3);
        }

        .article-content a:hover {
            color: var(--accent-hover);
            border-bottom-color: var(--accent);
        }

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

        .article-content table {
            width: 100%;
            margin: 24px 0;
            border-collapse: collapse;
            font-size: 14px;
        }

        .article-content th,
        .article-content td {
            padding: 12px 16px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            text-align: left;
            color: var(--text-secondary);
        }

        .article-content th {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
            font-weight: 600;
        }

        .article-empty {
            padding: 72px 40px;
            text-align: center;
        }

        .article-empty p {
            font-size: 20px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .article-footer-bar {
            padding: 24px 56px 40px;
            display: flex;
            justify-content: center;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        /* ========== Related Section ========== */
        .related-section {
            padding: 72px 0 88px;
            background: var(--bg-secondary);
            position: relative;
        }

        .related-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.16), transparent);
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .section-head p {
            font-size: 14px;
            color: var(--text-muted);
        }

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

        .related-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(214, 255, 63, 0.15);
        }

        .related-thumb {
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

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

        .related-body {
            padding: 24px 24px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .related-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .related-link {
            font-size: 13px;
            color: var(--accent);
            font-weight: 500;
        }

        /* ========== CTA ========== */
        .article-cta {
            padding: 88px 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
        }

        .article-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 15, 31, 0.95) 0%, rgba(11, 15, 31, 0.78) 60%, rgba(11, 15, 31, 0.55) 100%);
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 680px;
            padding: 48px 56px;
            background: rgba(16, 22, 40, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-card);
        }

        .cta-inner h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
        }

        .cta-inner p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.8;
        }

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

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 64px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 320px;
            line-height: 1.8;
        }

        .footer-links h4,
        .footer-contact h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 20px;
        }

        .footer-links ul li {
            margin-bottom: 10px;
        }

        .footer-links ul li a {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .footer-links ul li a:hover {
            color: var(--accent);
        }

        .footer-contact p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 8px;
            line-height: 1.8;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 28px;
            flex-wrap: wrap;
        }

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

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .article-header {
                padding: 40px 32px 24px;
            }

            .article-content {
                padding: 32px 32px 24px;
            }

            .article-footer-bar {
                padding: 20px 32px 32px;
            }

            .cta-inner {
                padding: 40px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(11, 15, 31, 0.96);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                padding: 24px 20px 32px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                visibility: hidden;
            }

            .main-nav.open {
                transform: translateY(0);
                visibility: visible;
            }

            .main-nav ul {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }

            .main-nav a {
                display: block;
                padding: 14px 20px;
                font-size: 16px;
                text-align: center;
                border-radius: 10px;
            }

            .nav-toggle {
                display: flex;
            }

            .breadcrumb-wrap {
                padding-top: 100px;
            }

            .article-header h1 {
                font-size: 28px;
            }

            .article-meta {
                gap: 10px;
            }

            .article-content h2 {
                font-size: 22px;
            }

            .article-content h3 {
                font-size: 18px;
            }

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

            .article-cta {
                padding: 60px 0;
            }

            .cta-inner {
                padding: 28px 24px;
            }

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

            .cta-actions {
                flex-direction: column;
            }

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

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

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

        @media (max-width: 520px) {
            .article-header {
                padding: 32px 24px 20px;
            }

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

            .article-content {
                padding: 24px 24px 16px;
            }

            .article-content p {
                font-size: 15px;
            }

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

            .article-footer-bar .btn {
                width: 100%;
            }

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

            .related-body {
                padding: 20px 20px 18px;
            }

            .brand-text {
                font-size: 18px;
            }
        }

        @media (max-width: 400px) {
            .logo-text {
                font-size: 17px;
            }

            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        /* ========== Focus ========== */
        a:focus-visible {
            outline: 2px solid rgba(214, 255, 63, 0.6);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category1 */
:root{
    --bg-primary:#0B0F1F;
    --bg-secondary:#10162A;
    --bg-glass:rgba(16,22,40,0.72);
    --border-light:rgba(255,255,255,0.14);
    --border-hover:rgba(214,255,63,0.45);
    --text-primary:#F2F5FA;
    --text-secondary:rgba(242,245,250,0.66);
    --text-muted:rgba(242,245,250,0.42);
    --accent:#D6FF3F;
    --accent-hover:#E4FF70;
    --accent-orange:#FF7A29;
    --error:#FF5470;
    --radius-lg:16px;
    --radius-md:12px;
    --radius-sm:10px;
    --shadow-card:0 10px 36px rgba(0,0,0,0.45),0 0 0 1px rgba(255,255,255,0.05);
    --glow-primary:0 0 24px rgba(214,255,63,0.18);
    --container-max:1200px;
    --space-section:80px;
    --space-section-mobile:44px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    background-color:#0B0F1F;
    background-image:radial-gradient(ellipse at top,rgba(214,255,63,0.03) 0%,transparent 60%);
    color:var(--text-primary);
    font-size:15px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;}
.container{
    max-width:1200px;
    margin:0 auto;
    padding:0 24px;
}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:15px;
    font-weight:600;
    padding:12px 26px;
    border-radius:10px;
    transition:all .25s ease;
    border:1px solid transparent;
    letter-spacing:.3px;
}
.btn-primary{
    background:var(--accent);
    color:#0B0F1F;
    box-shadow:var(--glow-primary);
}
.btn-primary:hover{
    background:var(--accent-hover);
    transform:translateY(-2px);
    box-shadow:0 0 36px rgba(214,255,63,0.28);
}
.btn-primary:active{
    transform:translateY(0) scale(0.98);
}
.btn-ghost{
    background:transparent;
    border:1px solid rgba(255,255,255,0.25);
    color:var(--text-primary);
}
.btn-ghost:hover{
    border-color:var(--accent);
    background:rgba(214,255,63,0.06);
    color:var(--accent);
}
.btn:focus-visible{
    outline:2px solid rgba(214,255,63,0.6);
    outline-offset:2px;
}
.site-header{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:72px;
    z-index:1000;
    transition:background .3s ease,box-shadow .3s ease;
    background:transparent;
}
.site-header.scrolled{
    background:rgba(11,15,31,0.86);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    box-shadow:0 1px 0 rgba(255,255,255,0.06);
}
.nav-container{
    height:72px;
    display:flex;
    align-items:center;
    justify-content:space-between;
}
.logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:20px;
    font-weight:700;
    color:var(--text-primary);
}
.logo-mark{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:34px;
    height:34px;
    border-radius:9px;
    background:var(--accent);
    color:#0B0F1F;
    font-weight:800;
    font-size:18px;
    box-shadow:0 0 18px rgba(214,255,63,0.35);
}
.logo-text{
    font-size:20px;
    letter-spacing:.5px;
}
.main-nav ul{
    display:flex;
    align-items:center;
    gap:28px;
}
.main-nav a{
    font-size:15px;
    color:var(--text-secondary);
    font-weight:500;
    padding:8px 14px;
    border-radius:999px;
    border:1px solid transparent;
    transition:all .25s ease;
    display:inline-block;
}
.main-nav a:hover{
    color:#fff;
}
.main-nav a.active{
    color:var(--accent);
    background:rgba(214,255,63,0.10);
    border-color:rgba(214,255,63,0.45);
}
.nav-toggle{
    display:none;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    width:42px;
    height:42px;
    padding:8px;
    border-radius:10px;
    background:rgba(255,255,255,0.06);
    border:1px solid rgba(255,255,255,0.1);
}
.nav-toggle span{
    display:block;
    height:2px;
    width:100%;
    background:var(--text-primary);
    border-radius:2px;
    transition:all .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:100vh;
    display:flex;
    align-items:center;
    overflow:hidden;
    padding:140px 0 90px;
}
.hero-bg{
    position:absolute;
    inset:0;
    z-index:-2;
    background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero-bg::after{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(110deg,rgba(11,15,31,0.92) 0%,rgba(11,15,31,0.78) 50%,rgba(11,15,31,0.55) 100%);
}
.hero-bg::before{
    content:'';
    position:absolute;
    inset:0;
    background-image:linear-gradient(rgba(214,255,63,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(214,255,63,0.04) 1px,transparent 1px);
    background-size:60px 60px;
    z-index:1;
}
.hero-inner{
    position:relative;
    z-index:2;
    max-width:680px;
}
.hero-badge{
    display:inline-block;
    padding:6px 14px;
    border-radius:999px;
    background:rgba(214,255,63,0.12);
    border:1px solid rgba(214,255,63,0.4);
    color:var(--accent);
    font-size:13px;
    font-weight:600;
    margin-bottom:22px;
}
.hero h1{
    font-size:46px;
    font-weight:800;
    line-height:1.25;
    margin-bottom:22px;
    color:#fff;
    letter-spacing:.5px;
}
.hero p{
    font-size:18px;
    color:var(--text-secondary);
    line-height:1.8;
    margin-bottom:34px;
    max-width:560px;
}
.hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:16px;
}
.hero-data{
    position:absolute;
    right:32px;
    bottom:40px;
    z-index:3;
    display:flex;
    align-items:center;
    gap:0;
    padding:20px 24px;
    border-radius:16px;
    background:rgba(16,22,40,0.72);
    border:1px solid rgba(255,255,255,0.14);
    box-shadow:0 10px 36px rgba(0,0,0,0.45),inset 0 1px 0 rgba(255,255,255,0.08);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
}
.hero-data .data-item{
    text-align:center;
    padding:0 16px;
    border-right:1px solid rgba(255,255,255,0.1);
}
.hero-data .data-item:last-child{
    border-right:none;
}
.data-num{
    font-size:28px;
    font-weight:800;
    color:var(--accent);
    display:block;
    font-family:"DIN Alternate","Bahnschrift",system-ui;
    line-height:1.2;
}
.data-label{
    font-size:12px;
    color:var(--text-secondary);
    margin-top:4px;
    display:block;
}
.section{
    padding:var(--space-section) 0;
}
.section-head{
    margin-bottom:48px;
    text-align:center;
}
.section-tag{
    display:inline-block;
    font-size:13px;
    font-weight:600;
    color:var(--accent);
    background:rgba(214,255,63,0.08);
    border:1px solid rgba(214,255,63,0.3);
    border-radius:999px;
    padding:5px 14px;
    margin-bottom:14px;
}
.section-head h2{
    font-size:32px;
    font-weight:700;
    color:#fff;
    line-height:1.4;
}
.section-head p{
    color:var(--text-secondary);
    font-size:16px;
    margin-top:12px;
}
.split{
    display:grid;
    grid-template-columns:1.1fr 1fr;
    gap:48px;
    align-items:center;
}
.split-reverse{
    direction:rtl;
}
.split-reverse>*{
    direction:ltr;
}
.split-media{
    border-radius:16px;
    overflow:hidden;
    position:relative;
    box-shadow:var(--shadow-card);
}
.split-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    min-height:320px;
}
.split-content h2{
    font-size:30px;
    font-weight:700;
    color:#fff;
    line-height:1.4;
    margin-bottom:18px;
}
.split-content p{
    color:var(--text-secondary);
    font-size:15px;
    line-height:1.9;
    margin-bottom:20px;
}
.split-content .btn{
    margin-top:8px;
}
.check-list li{
    position:relative;
    padding-left:28px;
    color:var(--text-secondary);
    font-size:15px;
    margin-bottom:10px;
}
.check-list li::before{
    content:'✓';
    position:absolute;
    left:0;
    color:var(--accent);
    font-weight:700;
    font-size:16px;
}
.stats-strip{
    padding:48px 0;
    border-top:1px solid rgba(255,255,255,0.05);
    border-bottom:1px solid rgba(255,255,255,0.05);
    background:rgba(16,22,40,0.4);
}
.stats-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:24px;
}
.stat-card{
    text-align:center;
    padding:28px 20px;
    border-radius:16px;
    background:rgba(16,22,40,0.72);
    border:1px solid rgba(255,255,255,0.14);
    box-shadow:var(--shadow-card);
    transition:border-color .3s ease,transform .3s ease;
}
.stat-card:hover{
    border-color:rgba(214,255,63,0.45);
    transform:translateY(-3px);
}
.stat-num{
    font-size:36px;
    font-weight:800;
    color:var(--accent);
    display:block;
    font-family:"DIN Alternate","Bahnschrift",system-ui;
    line-height:1.2;
}
.stat-label{
    font-size:14px;
    color:var(--text-secondary);
    margin-top:8px;
    display:block;
}
.feature-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}
.feature-card{
    background:rgba(16,22,40,0.72);
    border:1px solid rgba(255,255,255,0.14);
    border-radius:16px;
    overflow:hidden;
    transition:all .3s ease;
    box-shadow:var(--shadow-card);
}
.feature-card:hover{
    transform:translateY(-4px);
    border-color:rgba(214,255,63,0.45);
    box-shadow:0 16px 40px rgba(0,0,0,0.5),0 0 0 1px rgba(214,255,63,0.15);
}
.feature-card img{
    width:100%;
    height:180px;
    object-fit:cover;
}
.feature-card-body{
    padding:24px;
}
.feature-card-body h3{
    font-size:20px;
    font-weight:600;
    margin-bottom:12px;
    color:#fff;
    line-height:1.4;
}
.feature-card-body p{
    color:var(--text-secondary);
    font-size:14px;
    line-height:1.8;
}
.feature-card-badge{
    display:inline-block;
    font-size:12px;
    font-weight:600;
    color:var(--accent-orange);
    background:rgba(255,122,41,0.12);
    border:1px solid rgba(255,122,41,0.3);
    padding:4px 10px;
    border-radius:999px;
    margin-bottom:14px;
}
.quote-section{
    position:relative;
    padding:100px 0;
    background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    background-attachment:fixed;
}
.quote-overlay{
    position:absolute;
    inset:0;
    background:rgba(11,15,31,0.86);
}
.quote-inner{
    position:relative;
    z-index:2;
    max-width:760px;
    text-align:center;
    margin:0 auto;
}
.quote-inner blockquote p{
    font-size:24px;
    font-weight:600;
    color:#fff;
    line-height:1.7;
    letter-spacing:.5px;
}
.quote-inner cite{
    display:block;
    margin-top:20px;
    color:var(--accent);
    font-style:normal;
    font-size:14px;
    letter-spacing:1px;
}
.faq-section{
    background:rgba(11,15,31,0.6);
}
.faq-list{
    max-width:820px;
    margin:0 auto;
}
.faq-item{
    margin-bottom:14px;
    border-radius:14px;
    overflow:hidden;
    border:1px solid rgba(255,255,255,0.14);
    background:rgba(16,22,40,0.72);
    transition:all .3s ease;
    box-shadow:0 4px 18px rgba(0,0,0,0.2);
}
.faq-item.open{
    border-color:rgba(214,255,63,0.4);
    background:rgba(214,255,63,0.05);
}
.faq-question{
    width:100%;
    text-align:left;
    padding:18px 48px 18px 20px;
    font-size:16px;
    font-weight:500;
    color:var(--text-primary);
    position:relative;
    background:none;
    border:none;
    line-height:1.5;
}
.faq-icon{
    position:absolute;
    right:20px;
    top:50%;
    width:20px;
    height:20px;
    transform:translateY(-50%);
    transition:transform .3s ease;
}
.faq-icon::before,
.faq-icon::after{
    content:'';
    position:absolute;
    background:var(--accent);
    border-radius:2px;
    transition:background .3s ease;
}
.faq-icon::before{
    top:9px;
    left:2px;
    width:16px;
    height:2px;
}
.faq-icon::after{
    top:2px;
    left:9px;
    width:2px;
    height:16px;
}
.faq-item.open .faq-icon{
    transform:translateY(-50%) rotate(45deg);
}
.faq-answer{
    max-height:0;
    overflow:hidden;
    transition:max-height .35s ease;
    padding:0 20px;
}
.faq-item.open .faq-answer{
    max-height:420px;
    padding:0 20px 20px;
}
.faq-answer p{
    color:var(--text-secondary);
    font-size:15px;
    line-height:1.9;
}
.cta-section{
    padding:90px 0;
    background:rgba(16,22,40,0.5);
    border-top:1px solid rgba(255,255,255,0.08);
    border-bottom:1px solid rgba(255,255,255,0.08);
}
.cta-inner{
    text-align:center;
    max-width:720px;
    margin:0 auto;
}
.cta-inner h2{
    font-size:32px;
    font-weight:700;
    margin-bottom:16px;
    color:#fff;
    line-height:1.4;
}
.cta-inner p{
    font-size:16px;
    color:var(--text-secondary);
    margin-bottom:30px;
    line-height:1.9;
}
.cta-actions{
    display:flex;
    justify-content:center;
    gap:16px;
    flex-wrap:wrap;
}
.site-footer{
    background:#070A14;
    border-top:1px solid rgba(255,255,255,0.08);
    padding:56px 0 24px;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.2fr 1fr 1.2fr;
    gap:40px;
    margin-bottom:36px;
}
.footer-brand .logo{
    font-size:18px;
    margin-bottom:16px;
}
.footer-brand p{
    color:var(--text-secondary);
    font-size:14px;
    line-height:1.8;
}
.footer-links h4,
.footer-contact h4{
    font-size:16px;
    font-weight:600;
    color:#fff;
    margin-bottom:16px;
}
.footer-links li{
    margin-bottom:10px;
}
.footer-links a{
    color:var(--text-secondary);
    font-size:14px;
    transition:color .2s ease;
}
.footer-links a:hover{
    color:var(--accent);
}
.footer-contact p{
    color:var(--text-secondary);
    font-size:14px;
    margin-bottom:8px;
    line-height:1.7;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,0.06);
    padding-top:20px;
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:10px;
}
.footer-bottom p{
    color:var(--text-muted);
    font-size:13px;
}
@media(max-width:1024px){
    .split{
        grid-template-columns:1fr;
        gap:32px;
    }
    .split-media img{
        min-height:280px;
    }
    .hero h1{
        font-size:38px;
    }
    .feature-grid{
        grid-template-columns:repeat(2,1fr);
    }
    .hero-data{
        position:static;
        margin-top:40px;
        justify-content:flex-start;
    }
    .footer-grid{
        grid-template-columns:1fr 1fr;
    }
    .quote-section{
        background-attachment:scroll;
    }
}
@media(max-width:768px){
    .nav-toggle{
        display:flex;
    }
    .main-nav{
        position:fixed;
        top:72px;
        left:0;
        width:100%;
        background:rgba(11,15,31,0.96);
        backdrop-filter:blur(16px);
        -webkit-backdrop-filter:blur(16px);
        border-bottom:1px solid rgba(255,255,255,0.08);
        padding:16px 24px 28px;
        opacity:0;
        visibility:hidden;
        transform:translateY(-8px);
        transition:all .3s ease;
    }
    .main-nav.open{
        opacity:1;
        visibility:visible;
        transform:translateY(0);
    }
    .main-nav ul{
        flex-direction:column;
        gap:6px;
        align-items:stretch;
    }
    .main-nav a{
        display:block;
        padding:14px 16px;
        border-radius:12px;
        font-size:16px;
    }
    .main-nav a:hover,
    .main-nav a.active{
        background:rgba(214,255,63,0.1);
        border-color:rgba(214,255,63,0.3);
    }
    .hero{
        padding:110px 0 70px;
        min-height:auto;
    }
    .hero h1{
        font-size:30px;
    }
    .hero p{
        font-size:16px;
    }
    .hero-actions{
        flex-direction:column;
        align-items:stretch;
    }
    .hero-actions .btn{
        justify-content:center;
    }
    .hero-data{
        flex-wrap:wrap;
        justify-content:flex-start;
    }
    .hero-data .data-item{
        padding:0 12px;
        margin-bottom:8px;
    }
    .section{
        padding:var(--space-section-mobile) 0;
    }
    .section-head{
        margin-bottom:30px;
    }
    .section-head h2{
        font-size:24px;
    }
    .split-content h2{
        font-size:24px;
    }
    .stats-grid{
        grid-template-columns:repeat(2,1fr);
    }
    .feature-grid{
        grid-template-columns:1fr;
    }
    .quote-inner blockquote p{
        font-size:19px;
    }
    .footer-grid{
        grid-template-columns:1fr;
        gap:28px;
    }
    .footer-bottom{
        flex-direction:column;
        text-align:center;
    }
    .cta-actions{
        flex-direction:column;
        align-items:stretch;
    }
    .cta-actions .btn{
        justify-content:center;
    }
    .cta-inner h2{
        font-size:26px;
    }
}
@media(max-width:520px){
    .stats-grid{
        grid-template-columns:1fr;
    }
    .hero-data{
        flex-direction:column;
        align-items:stretch;
    }
    .hero-data .data-item{
        border-right:none;
        border-bottom:1px solid rgba(255,255,255,0.08);
        padding:12px 0;
        margin-bottom:0;
    }
    .hero-data .data-item:last-child{
        border-bottom:none;
    }
    .split-media img{
        min-height:220px;
    }
    .feature-card img{
        height:160px;
    }
    .quote-section{
        padding:70px 0;
    }
    .faq-question{
        font-size:15px;
        padding-right:44px;
    }
}

/* roulang page: category2 */
:root {
            --bg-primary: #0B0F1F;
            --bg-secondary: #10162A;
            --bg-glass: rgba(16, 22, 40, 0.72);
            --border: rgba(255, 255, 255, 0.14);
            --border-hover: rgba(214, 255, 63, 0.45);
            --text-primary: #F2F5FA;
            --text-secondary: rgba(242, 245, 250, 0.66);
            --text-muted: rgba(242, 245, 250, 0.42);
            --accent: #D6FF3F;
            --accent-hover: #E4FF70;
            --accent-glow: 0 0 24px rgba(214, 255, 63, 0.18);
            --accent-glow-hover: 0 0 36px rgba(214, 255, 63, 0.28);
            --warm: #FF7A29;
            --error: #FF5470;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-card: 0 10px 36px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.05);
            --spacing-section: 80px;
            --container-max: 1200px;
            --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", system-ui;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-primary);
            background: var(--bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background: radial-gradient(ellipse at 15% 20%, rgba(214, 255, 63, 0.04) 0%, transparent 45%),
                radial-gradient(ellipse at 85% 70%, rgba(255, 122, 41, 0.03) 0%, transparent 40%),
                linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
            z-index: 0;
        }

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

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

        ul,
        ol {
            padding-left: 1.25em;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            position: relative;
            z-index: 1;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 72px;
            z-index: 1000;
            background: transparent;
            transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
            border-bottom: 1px solid transparent;
        }

        .site-header.scrolled {
            background: rgba(11, 15, 31, 0.86);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom-color: rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--accent);
            color: var(--bg-primary);
            font-size: 18px;
            font-weight: 800;
            border-radius: 10px;
            box-shadow: 0 0 20px rgba(214, 255, 63, 0.3);
            line-height: 1;
            transform: rotate(-3deg);
        }

        .logo-text {
            color: var(--text-primary);
        }

        .main-nav ul {
            display: flex;
            list-style: none;
            padding: 0;
            gap: 28px;
        }

        .main-nav a {
            display: inline-block;
            padding: 6px 4px;
            font-size: 16px;
            color: var(--text-secondary);
            position: relative;
            line-height: 1.4;
            border-radius: 6px;
        }

        .main-nav a:hover {
            color: var(--text-primary);
        }

        .main-nav a.active {
            color: var(--accent);
            background: rgba(214, 255, 63, 0.1);
            border: 1px solid rgba(214, 255, 63, 0.35);
            padding: 6px 16px;
            border-radius: 999px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: transparent;
            border-radius: 8px;
        }

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

        .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);
        }

        .page-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding-top: 72px;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 15, 31, 0.92) 0%, rgba(11, 15, 31, 0.75) 55%, rgba(11, 15, 31, 0.4) 100%);
            z-index: 1;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent 60%, rgba(214, 255, 63, 0.05) 100%);
            z-index: 1;
            pointer-events: none;
        }

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

        .page-hero-inner {
            max-width: 720px;
            padding: 60px 0;
        }

        .page-hero .badge {
            display: inline-block;
            background: rgba(214, 255, 63, 0.12);
            border: 1px solid rgba(214, 255, 63, 0.3);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 24px;
            letter-spacing: 0.01em;
            color: var(--text-primary);
        }

        .page-hero h1 .accent-text {
            color: var(--accent);
        }

        .page-hero .hero-description {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 640px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            border: 1px solid transparent;
            line-height: 1.4;
            text-align: center;
        }

        .btn:focus-visible {
            outline: 2px solid rgba(214, 255, 63, 0.6);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--bg-primary);
            box-shadow: var(--accent-glow);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--accent-glow-hover);
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-secondary {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.25);
            color: var(--text-primary);
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            background: rgba(214, 255, 63, 0.06);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(0) scale(0.98);
        }

        .section {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-header {
            margin-bottom: 44px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
            padding: 4px 14px;
            border: 1px solid rgba(214, 255, 63, 0.25);
            border-radius: 999px;
            background: rgba(214, 255, 63, 0.06);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }

        .split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

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

        .split-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
            transition: transform 0.6s ease;
        }

        .split-media:hover img {
            transform: scale(1.03);
        }

        .split-media::after {
            content: "";
            position: absolute;
            inset: 0;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            pointer-events: none;
        }

        .split-content h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 18px;
            color: var(--text-primary);
        }

        .split-content p {
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.8;
        }

        .split-content .feature-list {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .split-content .feature-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
            font-size: 14px;
        }

        .split-content .feature-list li::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .reverse .split-grid {
            direction: rtl;
        }

        .reverse .split-grid>* {
            direction: ltr;
        }

        .stats-band {
            background: var(--bg-glass);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .stat-item {
            text-align: center;
        }

        .stat-item .stat-num {
            font-family: var(--font-num);
            font-size: 42px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            display: block;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 8px;
            display: block;
        }

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

        .scenario-card {
            background: var(--bg-glass);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            position: relative;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            overflow: hidden;
        }

        .scenario-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(214, 255, 63, 0.5), transparent);
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .scenario-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: 0 18px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(214, 255, 63, 0.12);
        }

        .scenario-card:hover::before {
            opacity: 1;
        }

        .scenario-card .icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(214, 255, 63, 0.1);
            border: 1px solid rgba(214, 255, 63, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent);
            margin-bottom: 20px;
        }

        .scenario-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .scenario-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-steps::before {
            content: "";
            position: absolute;
            top: 24px;
            left: 8%;
            right: 8%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(214, 255, 63, 0.3), transparent);
            z-index: 0;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 8px;
        }

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 2px solid var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 18px;
            color: var(--accent);
            margin-bottom: 20px;
            box-shadow: 0 0 20px rgba(214, 255, 63, 0.15);
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .quote-block {
            background: var(--bg-glass);
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 28px 32px;
            margin: 40px 0;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .quote-block p {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-primary);
            font-style: italic;
        }

        .quote-block .quote-author {
            display: block;
            margin-top: 14px;
            font-size: 14px;
            color: var(--text-secondary);
            font-style: normal;
        }

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

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-glass);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .faq-item:hover {
            border-color: rgba(214, 255, 63, 0.3);
        }

        .faq-item.active {
            border-color: rgba(214, 255, 63, 0.4);
            background: rgba(214, 255, 63, 0.04);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            cursor: pointer;
            background: transparent;
            width: 100%;
            text-align: left;
            transition: var(--transition-base);
        }

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

        .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--accent);
            border-radius: 2px;
            transition: var(--transition-base);
        }

        .faq-icon::before {
            top: 9px;
            left: 2px;
            width: 16px;
            height: 2px;
        }

        .faq-icon::after {
            left: 9px;
            top: 2px;
            width: 2px;
            height: 16px;
        }

        .faq-item.active .faq-icon::after {
            transform: rotate(90deg);
            opacity: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.85;
        }

        .cta-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            padding: 56px;
            overflow: hidden;
            text-align: center;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 31, 0.95) 0%, rgba(11, 15, 31, 0.8) 100%);
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            top: -40%;
            left: -20%;
            width: 60%;
            height: 180%;
            background: radial-gradient(ellipse, rgba(214, 255, 63, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-banner>* {
            position: relative;
            z-index: 1;
        }

        .cta-banner h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .cta-banner p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 32px;
        }

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

        .site-footer {
            background: #070A14;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 60px 0 0;
            margin-top: 0;
            position: relative;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

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

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-links h4,
        .footer-contact h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 20px;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
        }

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

        .footer-contact p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 8px;
            line-height: 1.8;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

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

        @media (max-width: 1024px) {
            .scenario-grid,
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .process-steps::before {
                display: none;
            }

            .split-grid {
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }

            .nav-container {
                padding: 0 16px;
            }

            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(11, 15, 31, 0.96);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding: 24px;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            }

            .main-nav.open {
                max-height: 380px;
            }

            .main-nav ul {
                flex-direction: column;
                gap: 4px;
            }

            .main-nav a {
                display: block;
                padding: 12px 16px;
                font-size: 16px;
                border-radius: 10px;
                border: 1px solid transparent;
            }

            .main-nav a.active {
                border-color: rgba(214, 255, 63, 0.3);
                background: rgba(214, 255, 63, 0.1);
                padding: 12px 16px;
            }

            .nav-toggle {
                display: flex;
            }

            .page-hero {
                min-height: auto;
                padding-top: 104px;
            }

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

            .page-hero h1 {
                font-size: 30px;
                line-height: 1.25;
            }

            .page-hero .hero-description {
                font-size: 16px;
            }

            .section-title {
                font-size: 26px;
            }

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

            .reverse .split-grid {
                direction: ltr;
            }

            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
                padding: 32px 20px;
            }

            .stat-item .stat-num {
                font-size: 34px;
            }

            .scenario-grid,
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .process-steps {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .process-step {
                display: flex;
                align-items: flex-start;
                gap: 16px;
                text-align: left;
                padding: 0;
            }

            .process-step .step-num {
                margin-bottom: 0;
                flex-shrink: 0;
            }

            .cta-banner {
                padding: 40px 24px;
            }

            .cta-banner h2 {
                font-size: 26px;
            }

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

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

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 28px;
            }

            .stats-band {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding: 24px 16px;
            }

            .stat-item .stat-num {
                font-size: 28px;
            }

            .bookmark .split-content .feature-list {
                grid-template-columns: 1fr;
            }

            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }

            .faq-answer-inner {
                padding: 0 18px 16px;
            }

            .hero-actions,
            .cta-banner .btn-group {
                flex-direction: column;
                align-items: stretch;
            }

            .btn {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
  --bg-primary: #0B0F1F;
  --bg-secondary: #10162A;
  --bg-deep: #070A14;
  --glass-bg: rgba(16, 22, 40, 0.72);
  --border-color: rgba(255, 255, 255, 0.14);
  --border-hover: rgba(214, 255, 63, 0.45);
  --text-primary: #F2F5FA;
  --text-secondary: rgba(242, 245, 250, 0.66);
  --text-muted: rgba(242, 245, 250, 0.42);
  --accent: #D6FF3F;
  --accent-hover: #E4FF70;
  --accent-orange: #FF7A29;
  --error: #FF5470;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-card: 0 10px 36px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.05);
  --shadow-accent: 0 0 24px rgba(214, 255, 63, 0.18);
  --muted-border: 1px solid rgba(255, 255, 255, 0.14);
  --container-w: 1200px;
  --space-section: 80px;
  --space-section-m: 44px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(circle at 25% 10%, rgba(214, 255, 63, 0.04) 0%, transparent 30%),
    radial-gradient(circle at 85% 40%, rgba(255, 122, 41, 0.03) 0%, transparent 25%);
  -webkit-font-smoothing: antialiased;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid rgba(214, 255, 63, 0.6);
  outline-offset: 2px;
}

.container {
  max-width: var(--container-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.sec-padding {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: 1000;
  background: transparent;
  transition: background-color 0.35s ease, backdrop-filter 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(11, 15, 31, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: var(--bg-primary);
  border-radius: 10px;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 0 18px rgba(214, 255, 63, 0.25);
  flex-shrink: 0;
}

.logo-text {
  color: var(--text-primary);
  white-space: nowrap;
}

.logo:hover .logo-text {
  color: var(--accent);
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}

.main-nav a {
  font-size: 16px;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  display: inline-block;
  line-height: 1.4;
}

.main-nav a:hover {
  color: var(--text-primary);
}

.main-nav a.active {
  color: var(--accent);
  background: rgba(214, 255, 63, 0.10);
  border-color: rgba(214, 255, 63, 0.45);
  box-shadow: 0 0 18px rgba(214, 255, 63, 0.08);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 42px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding-top: 120px;
  padding-bottom: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(11, 15, 31, 0.94) 12%, rgba(11, 15, 31, 0.78) 50%, rgba(11, 15, 31, 0.55) 100%);
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  z-index: 2;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 3;
}

.hero-content {
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(214, 255, 63, 0.08);
  border: 1px solid rgba(214, 255, 63, 0.35);
  border-radius: 999px;
  color: var(--accent);
  font-size: 13px;
  padding: 6px 16px;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero-badge::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
}

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.hero h1 .accent-text {
  color: var(--accent);
}

.hero-sub {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 34px;
  max-width: 600px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  line-height: 1.4;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(214, 255, 63, 0.28);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text-primary);
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(214, 255, 63, 0.06);
  color: var(--accent);
}

.hero-stats-glass {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 48px;
  background: rgba(16, 22, 40, 0.72);
  border: var(--muted-border);
  border-radius: var(--radius-lg);
  padding: 20px 28px;
  box-shadow: var(--shadow-card);
  max-width: 520px;
  position: relative;
}

.hero-stats-glass::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(214, 255, 63, 0.4), transparent);
}

.hero-stat {
  flex: 1;
}

.hero-stat strong {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.3;
}

.hero-stat span {
  font-size: 13px;
  color: var(--text-secondary);
}

.hero-stat + .hero-stat {
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  padding-left: 20px;
}

/* ===== Section Header ===== */
.section-head {
  margin-bottom: 44px;
}

.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  font-weight: 600;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 12px;
}

.section-head p {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 640px;
}

/* ===== Split Image / Text ===== */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.split-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-card);
  position: relative;
}

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

.split-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(11, 15, 31, 0.4) 100%);
  pointer-events: none;
}

.split-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 14px;
  line-height: 1.4;
}

.split-content .lead {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 20px;
  line-height: 1.9;
}

.split-list {
  list-style: none;
  margin-top: 8px;
}

.split-list li {
  padding: 7px 0;
  padding-left: 30px;
  position: relative;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}

.split-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  width: 14px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(214, 255, 63, 0.4);
}

.split-list li strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ===== Stats Bar ===== */
.stats-banner {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 52px 0;
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 15%;
  bottom: 15%;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.stat-num {
  font-family: "DIN Alternate", "Bahnschrift", system-ui, sans-serif;
  font-size: 40px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  letter-spacing: 1px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ===== Process Steps ===== */
.steps-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.steps-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.steps-section .container {
  position: relative;
  z-index: 1;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--glass-bg);
  border: var(--muted-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  overflow: hidden;
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(214, 255, 63, 0.3), transparent);
}

.step-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(214, 255, 63, 0.08);
}

.step-num {
  font-family: "DIN Alternate", "Bahnschrift", system-ui, sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: rgba(214, 255, 63, 0.3);
  line-height: 1;
  margin-bottom: 16px;
  display: block;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Quote Block ===== */
.quote-block {
  border-left: 3px solid var(--accent);
  background: rgba(214, 255, 63, 0.04);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 28px 32px;
  margin: 40px 0;
}

.quote-block p {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-primary);
  font-weight: 500;
}

.quote-block .quote-source {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--glass-bg);
  border: var(--muted-border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  transition: border-color 0.25s ease, background-color 0.25s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
}

.faq-item.open {
  border-color: rgba(214, 255, 63, 0.45);
  background: rgba(214, 255, 63, 0.05);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.5;
}

.faq-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  font-size: 18px;
  flex-shrink: 0;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

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

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

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background-image: url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
  padding-top: 90px;
  padding-bottom: 90px;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 15, 31, 0.95) 20%, rgba(11, 15, 31, 0.75));
  z-index: 1;
}

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

.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: rgba(16, 22, 40, 0.72);
  border: var(--muted-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(214, 255, 63, 0.5), transparent);
}

.cta-box h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 10px;
}

.cta-box p {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 520px;
}

.cta-box .btn {
  flex-shrink: 0;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 56px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 40px;
}

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

.footer-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
  max-width: 340px;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-links ul {
  list-style: none;
}

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

.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color 0.25s ease;
}

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

.footer-contact p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .stat-item + .stat-item::before {
    display: none;
  }

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

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

@media (max-width: 768px) {
  :root {
    --space-section: 48px;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(11, 15, 31, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
    pointer-events: none;
    z-index: 999;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 16px 24px 28px;
    align-items: stretch;
  }

  .main-nav a {
    display: block;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
  }

  .main-nav a.active {
    border-color: rgba(214, 255, 63, 0.45);
  }

  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

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

  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    min-height: 520px;
    padding-top: 100px;
    padding-bottom: 60px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-stats-glass {
    flex-wrap: wrap;
    padding: 16px;
  }

  .hero-stat {
    min-width: 40%;
  }

  .hero-stat + .hero-stat {
    border-left: none;
    padding-left: 0;
  }

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

  .cta-box {
    flex-direction: column;
    padding: 32px 24px;
    text-align: center;
  }

  .cta-box p {
    margin: 0 auto;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

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

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

  .stat-num {
    font-size: 30px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

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

  .btn {
    width: 100%;
  }
}