:root {
    --bg: #070708;
    --bg-soft: #101014;
    --panel: rgba(24, 22, 24, 0.82);
    --gold: #d8ae63;
    --gold-bright: #ffd98a;
    --red: #6d171a;
    --text: #f7efe2;
    --muted: #b8a990;
    --line: rgba(216, 174, 99, 0.22);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
    --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: radial-gradient(circle at 18% 0%, rgba(109,23,26,.4), transparent 34%), radial-gradient(circle at 78% 8%, rgba(216,174,99,.16), transparent 30%), var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.72;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(7, 7, 8, 0.82);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand, .footer-brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; }
.brand-mark {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    color: #110b05;
    background: linear-gradient(135deg, var(--gold-bright), var(--gold));
    box-shadow: 0 0 28px rgba(216,174,99,.35);
}
.brand-text { color: var(--gold-bright); letter-spacing: .04em; }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a {
    padding: 10px 13px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 15px;
}
.site-nav a:hover, .site-nav a.active { color: var(--text); background: rgba(216,174,99,.12); }
.nav-toggle { display: none; }
.hero, .sub-hero, .section { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.hero {
    min-height: 650px;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
    align-items: center;
    gap: 44px;
    padding: 76px 0 46px;
}
.hero-home { position: relative; }
.hero-home::before {
    content: "";
    position: absolute;
    inset: 42px -16px auto auto;
    width: 42%;
    height: 360px;
    background: radial-gradient(circle, rgba(255,217,138,.14), transparent 68%);
    pointer-events: none;
}
.hero-copy h1, .sub-hero h1 { margin: 12px 0 18px; font-size: clamp(38px, 6vw, 78px); line-height: 1.05; letter-spacing: -.06em; }
.hero-copy p, .sub-hero p, .section-heading p { color: var(--muted); font-size: 18px; }
.eyebrow { color: var(--gold-bright); font-weight: 800; letter-spacing: .12em; font-size: 13px; text-transform: uppercase; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 22px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 800;
    border: 1px solid var(--line);
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: linear-gradient(135deg, var(--gold-bright), var(--gold)); color: #160d05; box-shadow: 0 16px 40px rgba(216,174,99,.22); }
.btn.ghost { background: rgba(255,255,255,.04); color: var(--text); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags span, .filter-bar button {
    border: 1px solid var(--line);
    background: rgba(255,255,255,.04);
    color: var(--muted);
    border-radius: 999px;
    padding: 8px 13px;
}
.hero-visual img, .sub-hero img, .panel-img img { border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); }
.section { padding: 74px 0; }
.feature-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    padding-top: 0;
}
.feature-item, .glass-card, .value-grid article, .mini-grid article, .list-cards article, .contact-card, .calendar-grid article {
    background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.feature-item { padding: 22px; }
.feature-item strong { display: block; color: var(--gold-bright); margin-bottom: 8px; }
.feature-item span, .mini-grid p, .value-grid p, .list-cards p, .calendar-grid p, .calendar-grid span { color: var(--muted); }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading h2, .split-section h2 { margin: 10px 0 12px; font-size: clamp(28px, 4vw, 48px); line-height: 1.16; letter-spacing: -.04em; }
.section-heading.compact { max-width: 720px; }
.card-grid { display: grid; gap: 18px; }
.poster-grid { grid-template-columns: repeat(4, 1fr); }
.media-card, .video-card, .topic-card, .series-card { position: relative; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line); background: var(--bg-soft); box-shadow: var(--shadow); }
.media-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.card-overlay {
    position: absolute;
    inset: auto 0 0;
    padding: 50px 18px 18px;
    background: linear-gradient(180deg, transparent, rgba(0,0,0,.88));
    transform: translateY(22%);
    transition: transform .22s ease;
}
.media-card:hover .card-overlay { transform: translateY(0); }
.play-dot, .floating-play {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold-bright), var(--gold));
    color: #120b05;
    box-shadow: 0 0 28px rgba(216,174,99,.4);
}
.card-overlay strong { display: block; margin-top: 10px; font-size: 20px; }
.card-overlay p { color: var(--muted); margin: 4px 0 0; }
.split-section {
    display: grid;
    grid-template-columns: 1fr .92fr;
    gap: 40px;
    align-items: center;
}
.split-section.reverse { grid-template-columns: .92fr 1fr; }
.check-list { padding: 0; margin: 24px 0 0; list-style: none; }
.check-list li { padding-left: 28px; position: relative; margin: 10px 0; color: var(--muted); }
.check-list li::before { content: "✦"; position: absolute; left: 0; color: var(--gold-bright); }
.dark-panel { padding: 42px; border: 1px solid var(--line); border-radius: 30px; background: linear-gradient(135deg, rgba(109,23,26,.35), rgba(14,14,16,.88)); box-shadow: var(--shadow); }
.mini-grid, .value-grid, .category-grid, .calendar-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.mini-grid article, .value-grid article, .calendar-grid article { padding: 24px; }
.mini-grid h3, .value-grid h3, .list-cards h3, .contact-card h2 { margin: 0 0 10px; }
.category-grid a {
    padding: 24px;
    min-height: 210px;
    border-radius: var(--radius);
    background: rgba(255,255,255,.04);
    border: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: transform .2s ease, background .2s ease;
}
.category-grid a:hover { transform: translateY(-4px); background: rgba(216,174,99,.11); }
.category-grid img { width: 54px; height: 54px; }
.category-grid strong { font-size: 24px; }
.category-grid span { color: var(--muted); }
.text-link { color: var(--gold-bright); font-weight: 800; }
.list-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.list-cards article { padding: 26px; }
.list-cards span { color: var(--gold-bright); font-weight: 900; font-size: 28px; }
.testimonials { padding-top: 20px; }
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
blockquote { margin: 0; padding: 24px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(255,255,255,.04); }
blockquote img { width: 56px; height: 56px; border-radius: 50%; margin-bottom: 16px; }
blockquote p { color: var(--text); }
blockquote cite { color: var(--muted); font-style: normal; }
.faq-list { display: grid; gap: 12px; }
details { border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.04); padding: 18px 22px; }
summary { cursor: pointer; font-weight: 800; color: var(--gold-bright); }
details p { color: var(--muted); }
.sub-hero {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 42px;
    align-items: center;
    padding: 70px 0 42px;
}
.sub-hero h1 { font-size: clamp(36px, 5vw, 66px); }
.big-number-card { padding: 42px; }
.big-number-card > span { font-size: 82px; line-height: 1; color: var(--gold-bright); font-weight: 900; }
.channel-line { display: grid; gap: 12px; }
.channel-line a { display: grid; grid-template-columns: 180px 1fr; gap: 20px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.04); }
.channel-line span { color: var(--muted); }
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.filter-bar button { cursor: pointer; font: inherit; }
.filter-bar button.active { background: linear-gradient(135deg, var(--gold-bright), var(--gold)); color: #160d05; }
.series-grid { grid-template-columns: repeat(3, 1fr); }
.series-card img { aspect-ratio: 16 / 11; object-fit: cover; width: 100%; }
.series-card div { padding: 20px; }
.series-card span, .topic-card span { color: var(--gold-bright); font-weight: 800; }
.series-card p, .topic-card p, .video-card p { color: var(--muted); }
.series-card a { color: var(--gold-bright); font-weight: 800; }
.calendar-grid strong { color: var(--gold-bright); font-size: 28px; display: block; }
.topic-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; }
.topic-card.large { grid-row: span 2; }
.topic-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.topic-card div { padding: 22px; }
.video-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.video-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.floating-play { position: absolute; left: 18px; top: 18px; }
.video-card div { padding: 18px; }
.step-list { display: grid; gap: 12px; margin-top: 22px; }
.step-list div { display: grid; grid-template-columns: 44px 1fr; gap: 12px; align-items: center; }
.step-list span { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; color: #170d05; background: var(--gold-bright); font-weight: 900; }
.step-list p { color: var(--muted); margin: 0; }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.contact-card { padding: 28px; }
.contact-card.wide { grid-column: 1 / -1; }
.site-footer { margin-top: 70px; padding: 58px 0 28px; background: #050506; border-top: 1px solid var(--line); }
.footer-grid { width: min(1180px, calc(100% - 32px)); margin: 0 auto; display: grid; grid-template-columns: 1.35fr .8fr 1.1fr .95fr; gap: 28px; }
.footer-grid h3 { color: var(--gold-bright); margin: 0 0 12px; }
.footer-grid p, .footer-bottom p { color: var(--muted); }
.footer-grid a { display: block; color: var(--muted); margin: 6px 0; }
.footer-brand { font-size: 34px; color: var(--gold-bright); margin-bottom: 12px; }
.footer-bottom { width: min(1180px, calc(100% - 32px)); margin: 32px auto 0; padding-top: 20px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 18px; }
.footer-bottom a { color: var(--gold-bright); }
.hidden-card { display: none !important; }
@media (max-width: 980px) {
    .nav-toggle { display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); color: var(--text); background: rgba(255,255,255,.04); border-radius: 999px; padding: 9px 14px; }
    .site-nav { position: absolute; left: 16px; right: 16px; top: 74px; display: none; flex-direction: column; align-items: stretch; padding: 14px; border: 1px solid var(--line); border-radius: 18px; background: rgba(7,7,8,.96); }
    .site-nav.open { display: flex; }
    .site-nav a { border-radius: 12px; }
    .hero, .sub-hero, .split-section, .split-section.reverse, .topic-layout { grid-template-columns: 1fr; }
    .hero { min-height: auto; padding-top: 52px; }
    .feature-strip, .poster-grid, .mini-grid, .value-grid, .category-grid, .series-grid, .calendar-grid, .video-grid, .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .quote-grid, .list-cards { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .header-inner, .hero, .sub-hero, .section, .footer-grid, .footer-bottom { width: min(100% - 22px, 1180px); }
    .brand-text { display: none; }
    .hero-copy h1, .sub-hero h1 { font-size: 38px; }
    .hero-copy p, .sub-hero p, .section-heading p { font-size: 16px; }
    .feature-strip, .poster-grid, .mini-grid, .value-grid, .category-grid, .series-grid, .calendar-grid, .video-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
    .dark-panel { padding: 24px; border-radius: 22px; }
    .channel-line a { grid-template-columns: 1fr; }
    .contact-card.wide { grid-column: auto; }
    .footer-bottom { flex-direction: column; }
}