/* roulang page: index */
:root {
    --primary: #F2B705;
    --primary-hover: #FFC933;
    --accent: #FF6B35;
    --dark: #14181E;
    --dark-soft: #1F242B;
    --dark-border: #3A4047;
    --bg-light: #F5F3EE;
    --card-bg: #FFFFFF;
    --text-main: #26282B;
    --text-sub: #6A6F78;
    --text-light: #C9CACB;
    --text-dim: #9AA0A6;
    --border-color: #E6E0D6;
    --green: #1FAF8B;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 8px rgba(20, 24, 30, 0.04);
    --shadow-lg: 0 8px 24px rgba(20, 24, 30, 0.10);
    --header-height: 72px;
    --section-pad: 80px;
    --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-main);
    background: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    letter-spacing: 0.02em;
}
a { color: inherit; text-decoration: none; transition: color 0.25s ease; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.row { max-width: 1200px; margin: 0 auto; }
.section { padding: var(--section-pad) 0; }

.section-head { text-align: center; margin-bottom: 48px; }
.section-head h2 {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
    letter-spacing: 0.01em;
    margin-bottom: 10px;
}
.section-head p {
    font-size: 15px;
    color: var(--text-sub);
    max-width: 520px;
    margin: 0 auto;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--dark);
    font-size: 15px;
    font-weight: 600;
    height: 48px;
    padding: 0 28px;
    border: none;
    border-radius: 8px;
    transition: background 0.25s ease, transform 0.15s ease, box-shadow 0.25s ease;
    white-space: nowrap;
}
.btn-primary:hover {
    background: var(--primary-hover);
    color: var(--dark);
    box-shadow: 0 4px 16px rgba(242, 183, 5, 0.35);
}
.btn-primary:active { transform: translateY(1px); }
.btn-primary:focus-visible,
.header-nav-link:focus-visible,
.cat-card:focus-visible,
.feature-card:focus-visible,
.read-more:focus-visible,
.replay-link:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

/* ===== Header ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(20, 24, 30, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
    background: var(--dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.header-inner {
    max-width: 1280px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header-nav { display: flex; align-items: center; gap: 8px; }
.header-nav-link {
    display: inline-block;
    padding: 10px 16px;
    font-size: 15px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    border-radius: 6px;
    position: relative;
    transition: color 0.25s ease;
}
.header-nav-link::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 4px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}
.header-nav-link:hover { color: var(--primary); }
.header-nav-link:hover::after,
.header-nav-link.active::after { transform: scaleX(1); }
.header-nav-link.active { color: #fff; }

.site-logo {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    white-space: nowrap;
}
.site-logo:hover { color: var(--primary); }
.logo-icon { display: flex; align-items: center; }

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 0;
    transition: border-color 0.25s ease, background 0.25s ease;
}
.hamburger:hover { border-color: var(--primary); background: rgba(242, 183, 5, 0.08); }
.hamburger span { display: block; width: 20px; height: 2px; background: #fff; border-radius: 2px; transition: background 0.25s ease; }
.hamburger:hover span { background: var(--primary); }

/* ===== Off-canvas ===== */
.off-canvas.position-right { background: var(--dark); width: 280px; }
.mobile-menu-list { list-style: none; margin: 48px 0 0; padding: 0 16px; }
.mobile-menu-list li { margin-bottom: 4px; }
.mobile-menu-link {
    display: block;
    padding: 14px 18px;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    border-bottom: 1px solid var(--dark-border);
    transition: background 0.25s ease, color 0.25s ease, padding-left 0.25s ease;
}
.mobile-menu-link:hover { background: rgba(242, 183, 5, 0.08); color: var(--primary); padding-left: 22px; }

/* ===== Hero ===== */
.hero {
    position: relative;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    padding: calc(var(--header-height) + 80px) 0 80px;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(20, 24, 30, 0.92) 15%, rgba(20, 24, 30, 0.78) 55%, rgba(20, 24, 30, 0.60) 100%);
    z-index: 1;
}
.hero .row { position: relative; z-index: 2; }

.live-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: var(--dark);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 20px;
    letter-spacing: 0.04em;
}
.live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--dark);
    animation: pulse 1.6s ease infinite;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(20, 24, 30, 0.5); }
    50% { box-shadow: 0 0 0 6px rgba(20, 24, 30, 0); }
}

.hero-title {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.2;
    color: #fff;
    letter-spacing: 0.01em;
    margin-bottom: 16px;
}
.hero-subtitle {
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-light);
    max-width: 520px;
    margin-bottom: 32px;
}

.countdown-wrap { margin-bottom: 28px; }
.countdown-label {
    font-size: 14px;
    color: var(--text-dim);
    display: block;
    margin-bottom: 14px;
    letter-spacing: 0.04em;
}
.countdown {
    display: flex;
    align-items: center;
    gap: 0;
}
.countdown-item {
    background: var(--dark-soft);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 14px 16px;
    min-width: 76px;
    text-align: center;
    transition: border-color 0.3s ease;
}
.countdown-item:hover { border-color: var(--primary); }
.countdown-num {
    display: block;
    font-size: 36px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--primary);
    font-variant-numeric: tabular-nums;
}
.countdown-unit {
    display: block;
    font-size: 13px;
    color: var(--text-dim);
    margin-top: 2px;
}
.countdown-sep {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dim);
    margin: 0 8px;
    padding-top: 20px;
}

.hero-points {
    list-style: none;
    margin: 0 0 28px;
    padding: 0;
}
.hero-points li {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.hero-points li i {
    color: var(--primary);
    font-size: 13px;
    flex-shrink: 0;
}

.subscribe-form {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.subscribe-input {
    flex: 1;
    min-width: 220px;
    height: 48px;
    padding: 0 18px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 6px;
    background: rgba(20, 24, 30, 0.55);
    color: #fff;
    font-size: 15px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.subscribe-input::placeholder { color: rgba(255, 255, 255, 0.45); }
.subscribe-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(242, 183, 5, 0.25);
}
.form-success {
    flex-basis: 100%;
    color: var(--green);
    font-size: 14px;
}

.replay-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.25s ease;
}
.replay-link:hover { color: var(--primary); }
.replay-link i { font-size: 18px; color: var(--primary); }

.hero-cover {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--dark-border);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
    aspect-ratio: 16 / 10;
    background: var(--dark-soft);
}
.hero-cover img { width: 100%; height: 100%; object-fit: cover; }
.hero-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: rgba(242, 183, 5, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, background 0.3s ease;
}
.hero-play i { font-size: 24px; color: var(--dark); margin-left: 4px; }
.hero-cover:hover .hero-play { transform: translate(-50%, -50%) scale(1.1); background: var(--primary-hover); }

/* ===== Stats ===== */
.section-stats {
    background: var(--dark-soft);
    padding: 48px 0;
    border-top: 1px solid var(--dark-border);
    border-bottom: 1px solid var(--dark-border);
}
.stats-row { display: flex; justify-content: space-between; gap: 24px; }
.stat-col { text-align: center; flex: 1; }
.stat-num {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--primary);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.01em;
}
.stat-label {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 4px;
}

/* ===== News ===== */
.section-news { background: var(--bg-light); }
.news-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    margin-bottom: 24px;
}
.news-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.news-cover {
    display: block;
    aspect-ratio: 16 / 10;
    background-color: #EDEBE6;
    background-size: cover;
    background-position: center;
    position: relative;
}
.news-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--primary);
    color: var(--dark);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    letter-spacing: 0.04em;
}
.news-body { padding: 20px 24px 22px; display: flex; flex-direction: column; flex: 1; }
.news-title {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 10px;
    letter-spacing: 0.01em;
}
.news-title a { color: var(--text-main); transition: color 0.25s ease; }
.news-title a:hover { color: var(--primary); }
.news-excerpt {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid #F0ECE6;
    padding-top: 14px;
}
.news-date {
    font-size: 13px;
    color: var(--text-dim);
}
.read-more {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.25s ease;
}
.read-more:hover { color: var(--primary); }
.read-more i { font-size: 12px; }

.empty-state {
    border: 2px dashed #D5CFC5;
    border-radius: var(--radius);
    text-align: center;
    padding: 64px 24px;
    background: #FAF9F6;
    color: var(--text-sub);
}
.empty-state i { font-size: 36px; color: #C9C2B8; margin-bottom: 14px; display: block; }
.empty-state p { font-size: 15px; }

/* ===== Categories ===== */
.section-cats { background: var(--card-bg); }
.cat-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
    height: 100%;
    position: relative;
    margin-bottom: 24px;
}
.cat-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--primary);
}
.cat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: rgba(242, 183, 5, 0.12);
    color: var(--primary);
    margin-bottom: 20px;
    transition: background 0.3s ease, color 0.3s ease;
}
.cat-card:nth-child(2) .cat-icon { background: rgba(255, 107, 53, 0.12); color: var(--accent); }
.cat-card:nth-child(3) .cat-icon { background: rgba(31, 175, 139, 0.12); color: var(--green); }
.cat-card:nth-child(4) .cat-icon { background: rgba(242, 183, 5, 0.12); color: var(--primary); }
.cat-card:hover .cat-icon { background: var(--primary); color: var(--dark); }
.cat-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: 0.01em;
    color: var(--text-main);
}
.cat-desc {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.6;
    flex: 1;
}
.cat-arrow {
    position: absolute;
    top: 28px;
    right: 22px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-sub);
    transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.cat-card:hover .cat-arrow { background: var(--primary); color: var(--dark); transform: translateX(2px); }

/* ===== Features ===== */
.section-features { background: var(--bg-light); }
.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    height: 100%;
    margin-bottom: 24px;
}
.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: rgba(242, 183, 5, 0.12);
    color: var(--primary);
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}
.feature-card:hover .feature-icon { transform: scale(1.05); }
.feature-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: 0.01em;
    color: var(--text-main);
}
.feature-card p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.65;
}

/* ===== FAQ ===== */
.section-faq { background: var(--card-bg); }
.faq-intro h2 { margin-bottom: 14px; }
.faq-intro p {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.7;
}
.faq-accordion {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.faq-accordion .accordion-item {
    border-bottom: 1px solid var(--border-color);
    background: var(--card-bg);
    transition: background 0.3s ease;
}
.faq-accordion .accordion-item:last-child { border-bottom: none; }
.faq-accordion .accordion-item.is-active { background: #FAFAF7; }
.faq-accordion .accordion-title {
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    border: none;
    position: relative;
    transition: color 0.25s ease;
}
.faq-accordion .accordion-title::before {
    content: "+";
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 400;
    color: var(--text-main);
    flex-shrink: 0;
    transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.faq-accordion .accordion-title:hover { color: var(--primary); }
.faq-accordion .accordion-item.is-active .accordion-title { color: var(--text-main); }
.faq-accordion .accordion-item.is-active .accordion-title::before {
    background: var(--primary);
    color: var(--dark);
    transform: rotate(45deg);
}
.faq-accordion .accordion-content {
    padding: 0 24px 22px;
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.75;
    background: transparent;
}

/* ===== CTA ===== */
.section-cta {
    position: relative;
    background-image: url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    padding: 80px 0;
    text-align: center;
}
.section-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(20, 24, 30, 0.82);
}
.cta-inner { position: relative; z-index: 2; }
.cta-inner h2 {
    font-size: 30px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.01em;
    margin-bottom: 16px;
}
.cta-inner p {
    font-size: 16px;
    color: var(--text-light);
    max-width: 480px;
    margin: 0 auto 36px;
    line-height: 1.75;
}
.cta-badges {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 28px;
    flex-wrap: wrap;
}
.cta-badge {
    display: inline-block;
    padding: 6px 18px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 999px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.04);
    transition: border-color 0.3s ease, color 0.3s ease;
}
.cta-badge:hover { border-color: var(--primary); color: var(--primary); }

/* ===== Footer ===== */
.site-footer {
    background: var(--dark);
    color: var(--text-light);
    padding: 64px 0 0;
}
.footer-about p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-dim);
    margin-top: 16px;
    max-width: 320px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.footer-logo:hover { color: var(--primary); }
.footer-title {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 0.03em;
}
.footer-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.footer-nav-list li { margin-bottom: 12px; }
.footer-nav-list a {
    font-size: 14px;
    color: var(--text-dim);
    transition: color 0.25s ease;
}
.footer-nav-list a:hover { color: var(--primary); }
.footer-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.footer-tag {
    display: inline-block;
    padding: 5px 14px;
    border: 1px solid var(--dark-border);
    border-radius: 999px;
    font-size: 13px;
    color: var(--text-dim);
    transition: border-color 0.3s ease, color 0.3s ease;
}
.footer-tag:hover { border-color: var(--primary); color: var(--primary); }
.footer-bottom {
    border-top: 1px solid var(--dark-border);
    margin-top: 48px;
    padding: 20px 0;
    text-align: center;
}
.footer-bottom p {
    font-size: 13px;
    color: var(--text-dim);
}

.off-canvas-content { background: var(--bg-light); }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
    .hero_cover_wrap { margin-top: 28px; }
    .stats-row { flex-wrap: wrap; gap: 16px; }
    .stat-col { flex-basis: calc(50% - 16px); }
    .cta-badges { gap: 8px; }
    .cta-badge { padding: 5px 14px; }
    .footer-about { margin-bottom: 32px; }
}

@media (max-width: 900px) {
    .header-nav { display: none; }
    .hamburger { display: flex; }
    .site-header { height: 60px; }
    .hero { padding-top: calc(60px + 48px); }
}

@media (max-width: 640px) {
    :root { --section-pad: 48px; }
    body { font-size: 15px; }
    .container { padding: 0 16px; }
    .header-inner { padding: 0 16px; }
    .hero-title { font-size: 28px; }
    .hero-subtitle { font-size: 15px; }
    .section-head h2 { font-size: 24px; }
    .countdown-item { min-width: 64px; padding: 10px 12px; }
    .countdown-num { font-size: 26px; }
    .countdown-sep { font-size: 20px; margin: 0 4px; }
    .subscribe-form { flex-direction: column; align-items: stretch; }
    .subscribe-input { width: 100%; }
    .btn-primary { width: 100%; }
    .stat-num { font-size: 34px; }
    .cta-inner h2 { font-size: 24px; }
    .cta-inner p { font-size: 15px; }
    .site-footer { padding-top: 48px; }
    .footer-bottom { margin-top: 32px; }
    .hero-points li { font-size: 14px; }
}

/* roulang page: article */
:root{
    --yellow:#F2B705;--yellow-hover:#FFC933;--orange:#FF6B35;
    --dark:#14181E;--dark-card:#1F242B;--bg-light:#F5F3EE;
    --card-bg:#FFFFFF;--text:#26282B;--text-secondary:#6A6F78;
    --text-light:#C9CACB;--border:#E6E0D6;--border-dark:#3A4047;
    --success:#1FAF8B;--radius:12px;--radius-sm:8px;--radius-xs:6px;
    --shadow-card:0 2px 8px rgba(20,24,30,.04);--shadow-hover:0 8px 24px rgba(20,24,30,.10);
    --transition:all .3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
    background:var(--bg-light);color:var(--text);line-height:1.75;
    font-size:16px;letter-spacing:.02em;
}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;border:none;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.tabular-nums{font-variant-numeric:tabular-nums}

/* ===== 导航 ===== */
.site-header{
    position:fixed;top:0;left:0;right:0;height:72px;z-index:100;
    background:rgba(20,24,30,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
    transition:background .3s ease,border-color .3s ease;border-bottom:1px solid transparent;
}
.site-header.scrolled{background:#14181E;border-bottom-color:rgba(255,255,255,.06)}
.header-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:100%;max-width:1280px;margin:0 auto;padding:0 24px;position:relative;
}
.site-logo{
    position:absolute;left:50%;transform:translateX(-50%);
    display:flex;align-items:center;gap:10px;z-index:2;
    font-size:22px;font-weight:700;color:#fff;letter-spacing:.05em;text-transform:uppercase;
}
.logo-icon{display:flex;align-items:center;transition:transform .3s ease}
.site-logo:hover .logo-icon{transform:scale(1.08)}
.header-nav{display:flex;gap:28px;align-items:center}
.header-nav-link{
    font-size:15px;font-weight:400;color:rgba(255,255,255,.9);
    padding:8px 2px;position:relative;letter-spacing:.01em;
}
.header-nav-link::after{
    content:'';position:absolute;bottom:0;left:0;width:0;height:2px;
    background:var(--yellow);transition:width .3s ease;border-radius:2px;
}
.header-nav-link:hover::after,.header-nav-link.active::after{width:100%}
.header-nav-link:hover{color:var(--yellow)}
.header-nav-link:focus-visible{outline:2px solid var(--yellow);outline-offset:4px;border-radius:4px}
.hamburger{
    display:none;flex-direction:column;gap:5px;background:transparent;
    cursor:pointer;padding:8px;z-index:3;align-items:center;justify-content:center;
}
.hamburger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:var(--transition)}
.hamburger:hover span{background:var(--yellow)}

/* ===== off-canvas 移动菜单 ===== */
.off-canvas{background:var(--dark)}
.off-canvas.is-open{box-shadow:8px 0 30px rgba(0,0,0,.4)}
.mobile-menu-list{padding:24px 16px}
.mobile-menu-list li{border-bottom:1px solid #2A2F37}
.mobile-menu-list a{
    display:block;padding:16px 8px;color:#fff;font-size:15px;
    transition:var(--transition);letter-spacing:.02em;
}
.mobile-menu-list a:hover{color:var(--yellow);padding-left:14px}
.mobile-menu-list a:focus-visible{outline:2px solid var(--yellow);outline-offset:2px;border-radius:6px}

/* ===== 文章页主容器 ===== */
.article-main{padding-top:72px;min-height:60vh}

/* ===== 面包屑 ===== */
.breadcrumb{
    padding:30px 0 4px;font-size:14px;color:var(--text-secondary);
    display:flex;align-items:center;flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-secondary)}
.breadcrumb a:hover{color:var(--yellow)}
.breadcrumb-sep{margin:0 8px;color:#B0B4BB;font-size:12px}
.breadcrumb-current{color:var(--text);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-breadcrumb-title{color:var(--text)}

/* ===== 文章头部 ===== */
.article-hero{
    background:linear-gradient(rgba(20,24,30,.88),rgba(20,24,30,.62)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    padding:52px 0 64px;margin-bottom:48px;position:relative;
}
.article-hero .container{max-width:1000px}
.article-cover{
    border-radius:var(--radius);overflow:hidden;margin-bottom:40px;
    aspect-ratio:16/6;background:var(--dark-card);position:relative;
    box-shadow:0 16px 48px rgba(0,0,0,.35);
}
.article-cover img{width:100%;height:100%;object-fit:cover;display:block}
.article-cover::after{
    content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(20,24,30,.12),transparent 40%);
    pointer-events:none;
}
.article-title{
    font-size:36px;line-height:1.25;font-weight:700;color:#fff;
    max-width:880px;margin-bottom:18px;letter-spacing:.01em;
}
.article-meta{
    display:flex;align-items:center;gap:14px;color:var(--text-light);
    font-size:14px;flex-wrap:wrap;
}
.meta-dot{color:var(--yellow);font-weight:700}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{color:var(--yellow);font-size:13px}

/* ===== 正文内容区 ===== */
.article-content-wrap{background:var(--bg-light);padding:8px 0 72px}
.article-content{
    max-width:800px;margin:0 auto;background:var(--card-bg);
    border-radius:var(--radius);border:1px solid var(--border);
    padding:48px 56px;box-shadow:var(--shadow-card);
}
.article-content h2{
    font-size:26px;font-weight:700;line-height:1.3;margin:40px 0 16px;
    padding-bottom:10px;border-bottom:1px solid #F0EDE6;letter-spacing:.01em;
}
.article-content h3{font-size:20px;font-weight:600;line-height:1.4;margin:28px 0 12px;color:var(--text)}
.article-content p{margin-bottom:24px;color:var(--text);line-height:1.8}
.article-content ul,.article-content ol{margin:0 0 24px 22px;line-height:1.8}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin-bottom:6px}
.article-content blockquote{
    border-left:4px solid var(--yellow);background:#FAF7EF;
    padding:16px 24px;margin:24px 0;color:var(--text-secondary);
    font-style:italic;border-radius:0 8px 8px 0;
}
.article-content code{
    background:#F0EDE8;border-radius:4px;padding:2px 8px;
    font-family:'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;font-size:14px;
}
.article-content pre{
    background:var(--dark);color:#E8E8E8;border-radius:8px;padding:24px;
    overflow-x:auto;margin:24px 0;line-height:1.6;
}
.article-content pre code{background:transparent;color:inherit;padding:0}
.article-content img{border-radius:8px;margin:24px 0;box-shadow:var(--shadow-card)}
.article-content figure{margin:24px 0}
.article-content figcaption{
    text-align:center;font-size:13px;color:var(--text-secondary);
    margin-top:-12px;padding-bottom:8px;
}
.article-content a{color:var(--orange);font-weight:500;border-bottom:1px solid rgba(255,107,53,.3)}
.article-content a:hover{color:var(--yellow);border-bottom-color:var(--yellow)}

/* ===== 相关推荐 ===== */
.related-section{padding:16px 0 56px;background:var(--bg-light)}
.related-section .container{max-width:1200px}
.section-title{
    font-size:28px;font-weight:700;margin-bottom:10px;position:relative;
    padding-bottom:14px;letter-spacing:.01em;
}
.section-title::after{
    content:'';position:absolute;left:0;bottom:0;width:48px;height:3px;
    background:var(--yellow);border-radius:2px;
}
.section-desc{color:var(--text-secondary);font-size:14px;margin-bottom:32px}
.related-card{
    background:var(--card-bg);border:1px solid var(--border);
    border-radius:var(--radius);overflow:hidden;transition:var(--transition);
    height:100%;display:flex;flex-direction:column;box-shadow:var(--shadow-card);
    margin-bottom:24px;
}
.related-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.related-card-cover{
    aspect-ratio:16/9;background:#EDEBE6;overflow:hidden;position:relative;
}
.related-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-card-cover img{transform:scale(1.05)}
.related-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-card-title{font-size:16px;font-weight:600;line-height:1.4;color:var(--text)}
.related-card-title:hover{color:var(--yellow)}
.related-card-footer{
    display:flex;justify-content:space-between;align-items:center;margin-top:auto;
    font-size:13px;color:var(--text-secondary);
}
.related-card-footer .read-more{color:var(--orange);font-weight:600;display:inline-flex;align-items:center;gap:4px}
.related-card:hover .read-more{color:var(--yellow)}

/* ===== 返回入口 ===== */
.back-link-wrap{padding:8px 0 72px;background:var(--bg-light)}
.back-link-wrap .container{max-width:1200px}
.back-link{
    display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:500;
    color:var(--text);padding:10px 16px;border:1px solid var(--border);
    border-radius:var(--radius-sm);background:var(--card-bg);transition:var(--transition);
    box-shadow:var(--shadow-card);
}
.back-link:hover{color:var(--yellow);border-color:var(--yellow);transform:translateX(-4px)}
.back-link:focus-visible{outline:2px solid var(--yellow);outline-offset:2px}

/* ===== 内容未找到 ===== */
.not-found-card{
    background:var(--card-bg);border:1px dashed var(--border);border-radius:var(--radius);
    padding:96px 40px;text-align:center;margin:72px 0;box-shadow:var(--shadow-card);
    max-width:720px;margin-left:auto;margin-right:auto;
}
.not-found-card i{font-size:48px;color:var(--yellow);margin-bottom:24px;display:inline-block}
.not-found-card h1{font-size:28px;font-weight:700;margin-bottom:12px;color:var(--text)}
.not-found-card p{color:var(--text-secondary);margin-bottom:28px;font-size:15px}
.btn{
    display:inline-flex;align-items:center;justify-content:center;height:48px;
    padding:0 28px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;
    cursor:pointer;transition:var(--transition);border:none;background:transparent;
}
.btn-primary{background:var(--yellow);color:var(--dark)}
.btn-primary:hover{background:var(--yellow-hover);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary:focus-visible{outline:3px solid rgba(242,183,5,.4);outline-offset:2px}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);padding:64px 0 0;color:var(--text-light)}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-logo svg{flex-shrink:0}
.footer-about p{font-size:14px;line-height:1.8;color:var(--text-secondary);padding-right:20px;margin-bottom:0}
.footer-title{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;letter-spacing:.02em}
.footer-nav-list li{margin-bottom:12px}
.footer-nav-list a{color:var(--text-light);font-size:14px;display:inline-flex;align-items:center;gap:6px}
.footer-nav-list a::before{content:'';width:4px;height:4px;background:var(--yellow);border-radius:50%;opacity:.6}
.footer-nav-list a:hover{color:var(--yellow)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tag{
    display:inline-block;padding:6px 14px;border:1px solid var(--border-dark);
    border-radius:20px;font-size:13px;color:var(--text-light);transition:var(--transition);
    background:transparent;cursor:pointer;
}
.footer-tag:hover{border-color:var(--yellow);color:var(--yellow);transform:translateY(-2px)}
.footer-tag:focus-visible{outline:2px solid var(--yellow);outline-offset:2px}
.footer-bottom{
    border-top:1px solid var(--border-dark);padding:20px 0;margin-top:48px;
    text-align:center;font-size:13px;color:var(--text-secondary);
}
.footer-bottom a{color:var(--text-secondary)}
.footer-bottom a:hover{color:var(--yellow)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
    .article-hero{padding:40px 0 48px}
    .article-hero .container{max-width:840px}
    .container{padding:0 20px}
}
@media (max-width:900px){
    .site-header{height:60px}
    .header-nav{display:none}
    .hamburger{display:flex}
    .site-logo{font-size:19px}
    .article-main{padding-top:60px}
    .article-cover{aspect-ratio:16/7}
    .article-title{font-size:30px}
    .related-card{margin-bottom:20px}
}
@media (max-width:640px){
    body{font-size:15px}
    .container{padding:0 16px}
    .article-breadcrumb-title{max-width:180px}
    .article-hero{padding:28px 0 36px;margin-bottom:32px}
    .article-cover{aspect-ratio:16/8;border-radius:8px;margin-bottom:28px}
    .article-title{font-size:24px;line-height:1.3}
    .article-meta{font-size:13px;gap:8px;letter-spacing:0}
    .article-content{padding:28px 20px;border-radius:8px}
    .article-content h2{font-size:22px;margin-top:28px}
    .article-content h3{font-size:18px;margin-top:20px}
    .article-content blockquote{padding:12px 16px}
    .related-section{padding:8px 0 40px}
    .section-title{font-size:24px}
    .back-link-wrap{padding:4px 0 48px}
    .not-found-card{padding:64px 20px;margin:48px 0}
    .footer-bottom{padding:16px 0;margin-top:32px}
    .site-footer{padding-top:48px}
    .footer-about p{padding-right:0}
    .mobile-menu-list a{padding:14px 8px}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --yellow: #F2B705;
  --yellow-hover: #FFC933;
  --orange: #FF6B35;
  --dark: #14181E;
  --dark-soft: #1F242B;
  --bg: #F5F3EE;
  --white: #FFFFFF;
  --text-main: #26282B;
  --text-muted: #6A6F78;
  --text-dark: #C9CACB;
  --line: #E6E0D6;
  --line-dark: #3A4047;
  --green: #1FAF8B;
  --radius-lg: 12px;
  --radius-md: 8px;
  --shadow-sm: 0 2px 8px rgba(20, 24, 30, 0.04);
  --shadow-hover: 0 8px 24px rgba(20, 24, 30, 0.10);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --pad-section: 80px;
}

/* ===== Reset & 基础 ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--white);
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(242, 183, 5, 0.45);
  outline-offset: 2px;
}
::selection {
  background: rgba(242, 183, 5, 0.25);
}
.row {
  max-width: 1200px;
}
h1, h2, h3, h4 {
  line-height: 1.3;
  letter-spacing: 0.01em;
}
h1 { font-size: 36px; font-weight: 700; }
h2 { font-size: 30px; font-weight: 700; margin-bottom: 14px; }
h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
p { margin-bottom: 14px; }

/* ===== 通用区块 ===== */
.block {
  padding: var(--pad-section) 0;
  position: relative;
}
.block-white { background: var(--white); }
.block-bg { background: var(--bg); }
.section-head-row {
  margin-bottom: 36px;
}
.section-sub {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 560px;
  margin-bottom: 0;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  line-height: 1;
  white-space: nowrap;
}
.btn-yellow {
  background: var(--yellow);
  color: var(--dark);
}
.btn-yellow:hover {
  background: var(--yellow-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(242, 183, 5, 0.28);
}
.btn-yellow:active {
  transform: translateY(1px);
  box-shadow: none;
}
.btn-white-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.7);
}
.btn-white-ghost:hover {
  border-color: var(--yellow);
  color: var(--yellow);
}

/* ===== 顶部导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(20, 24, 30, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s ease, height 0.3s ease;
}
.site-header.scrolled {
  background: var(--dark);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: relative;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}
.header-nav-left {
  justify-content: flex-start;
}
.header-nav-right {
  justify-content: flex-end;
}
.header-nav-link {
  font-size: 15px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.88);
  padding: 8px 4px;
  position: relative;
  transition: color 0.2s ease;
}
.header-nav-link:hover {
  color: var(--yellow);
}
.header-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
}
.header-nav-link:hover::after,
.header-nav-link.active::after {
  transform: scaleX(1);
}
.header-nav-link.active {
  color: #fff;
}
.site-logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}
.site-logo:hover {
  color: var(--yellow);
}
.logo-icon {
  display: inline-flex;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 10px;
  cursor: pointer;
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 110;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: background 0.2s ease;
}
.hamburger:hover span {
  background: var(--yellow);
}

/* ===== 移动端抽屉 ===== */
.off-canvas {
  background: var(--dark);
  border: none;
  z-index: 120;
}
.off-canvas .close-button {
  color: rgba(255, 255, 255, 0.7);
  font-size: 32px;
  line-height: 1;
  top: 10px;
  right: 14px;
}
.off-canvas .close-button:hover {
  color: var(--yellow);
}
.mobile-menu-list {
  list-style: none;
  margin: 56px 0 0;
  padding: 0;
}
.mobile-menu-list li {
  border-bottom: 1px solid #2A2F37;
}
.mobile-menu-list a {
  display: block;
  padding: 0 24px;
  height: 48px;
  line-height: 48px;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
}
.mobile-menu-list a:hover {
  color: var(--yellow);
}
.mobile-menu-list a.active {
  color: var(--yellow);
  background: rgba(242, 183, 5, 0.06);
  border-left: 3px solid var(--yellow);
}

/* ===== 分类横幅 ===== */
.category-banner {
  background: var(--dark);
  padding: 160px 0 80px;
  overflow: hidden;
  color: #fff;
}
.banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
}
.banner-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(20, 24, 30, 0.94) 0%, rgba(20, 24, 30, 0.82) 45%, rgba(20, 24, 30, 0.60) 100%);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 12px;
  position: relative;
}
.breadcrumb a:hover {
  color: var(--yellow);
}
.banner-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--yellow);
  color: var(--dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
  position: relative;
}
.banner-label::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dark);
  flex-shrink: 0;
}
.category-banner h1 {
  color: #fff;
  margin-bottom: 18px;
  font-size: 38px;
}
.banner-desc {
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
  max-width: 460px;
  margin-bottom: 20px;
}
.banner-note {
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  margin-bottom: 0;
}
.banner-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  position: relative;
}
.banner-cover img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.banner-cover .play-mark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(20, 24, 30, 0.28);
}
.play-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(242, 183, 5, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, background 0.25s ease;
}
.banner-cover:hover .play-circle {
  transform: scale(1.08);
  background: var(--yellow);
}
.play-circle svg {
  margin-left: 3px;
}

/* ===== 数据带 ===== */
.stat-band {
  background: var(--dark-soft);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding: 50px 0;
}
.stat-item {
  text-align: center;
  padding: 10px;
}
.stat-num {
  font-size: 44px;
  font-weight: 700;
  color: var(--yellow);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 14px;
  color: var(--text-dark);
  letter-spacing: 0.04em;
}

/* ===== 图文交替区块 ===== */
.feature-body {
  padding: 12px 8px;
}
.feature-index {
  display: inline-flex;
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  background: rgba(255, 107, 53, 0.10);
  padding: 4px 12px;
  border-radius: 6px;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.feature-desc {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 20px;
}
.feature-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text-main);
  padding: 7px 0;
  line-height: 1.6;
}
.feature-list li::before {
  content: "✓";
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  background: rgba(242, 183, 5, 0.18);
  color: #B78D00;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}
.feature-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-main);
  border-bottom: 2px solid var(--yellow);
  padding-bottom: 3px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.feature-more:hover {
  color: var(--yellow);
  border-color: var(--yellow-hover);
}
.feature-more .arrow {
  transition: transform 0.2s ease;
  font-weight: 700;
}
.feature-more:hover .arrow {
  transform: translateX(4px);
}
.media-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-hover);
  background: #EDEBE6;
}
.media-frame img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.media-frame .tag-float {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(20, 24, 30, 0.82);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

/* ===== FAQ ===== */
.faq-block {
  padding: var(--pad-section) 0;
  background: var(--bg);
}
.faq-intro h2 {
  margin-bottom: 14px;
}
.faq-intro p {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 320px;
}
.faq-accordion {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin: 0;
}
.faq-accordion .accordion-item {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}
.faq-accordion .accordion-item:last-child {
  border-bottom: 0;
}
.faq-accordion .accordion-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  background: var(--white);
  padding: 20px 56px 20px 24px;
  border: 0;
  position: relative;
  line-height: 1.6;
  transition: background 0.2s ease;
}
.faq-accordion .accordion-title:hover {
  background: #FAFAF7;
}
.faq-accordion .accordion-title::before,
.faq-accordion .accordion-title::after {
  content: none !important;
}
.faq-plus {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  font-weight: 400;
  line-height: 1;
  color: var(--text-muted);
  background: #fff;
  transition: all 0.25s ease;
  font-style: normal;
}
.faq-accordion .accordion-item.is-active .accordion-title {
  background: #FAFAF7;
}
.faq-accordion .accordion-item.is-active .faq-plus {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--dark);
  transform: translateY(-50%) rotate(45deg);
}
.faq-accordion .accordion-content {
  background: #FAFAF7;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  padding: 0 24px 22px;
  border: 0;
}

/* ===== CTA ===== */
.cta-block {
  background: var(--dark);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.cta-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(20, 24, 30, 0.85);
}
.cta-inner {
  text-align: center;
  position: relative;
  z-index: 2;
}
.cta-inner h2 {
  color: #fff;
  margin-bottom: 14px;
}
.cta-inner p {
  color: var(--text-dark);
  max-width: 480px;
  margin: 0 auto 28px;
  font-size: 15px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.cta-trust {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.trust-pill {
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: rgba(255, 255, 255, 0.8);
  font-size: 12px;
  padding: 5px 14px;
  border-radius: 999px;
  letter-spacing: 0.03em;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: var(--text-dark);
  padding: 64px 0 0;
}
.footer-about .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.footer-logo:hover {
  color: var(--yellow);
}
.footer-about p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 0;
  max-width: 320px;
}
.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.footer-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-nav-list li {
  margin-bottom: 12px;
}
.footer-nav-list a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s ease;
}
.footer-nav-list a:hover {
  color: var(--yellow);
}
.footer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-tag {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  transition: all 0.2s ease;
}
.footer-tag:hover {
  border-color: var(--yellow);
  color: var(--yellow);
}
.footer-bottom {
  border-top: 1px solid #2A2F37;
  margin-top: 48px;
  padding: 18px 0 22px;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

/* ===== 响应式 ===== */
@media screen and (max-width: 900px) {
  .header-nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  :root {
    --pad-section: 56px;
  }
  .category-banner {
    padding: 130px 0 56px;
  }
  .category-banner h1 {
    font-size: 30px;
  }
  .banner-cover {
    margin-top: 24px;
  }
  .stat-num {
    font-size: 34px;
  }
}

@media screen and (max-width: 640px) {
  .site-header {
    height: 60px;
  }
  .site-logo {
    font-size: 18px;
  }
  .category-banner {
    padding: 112px 0 44px;
  }
  .category-banner h1 {
    font-size: 26px;
  }
  .banner-desc {
    font-size: 15px;
  }
  .block {
    padding: 48px 0;
  }
  .feature-body {
    padding: 20px 4px 4px;
  }
  .media-frame img {
    aspect-ratio: 4 / 3;
  }
  .stat-band {
    padding: 32px 0;
  }
  .stat-num {
    font-size: 28px;
  }
  .cta-block {
    padding: 56px 0;
  }
  .cta-actions .btn {
    width: 100%;
    max-width: 320px;
  }
  .faq-intro p {
    max-width: 100%;
  }
  .footer-bottom p {
    font-size: 12px;
  }
}