:root {
    --bg: #fffaf7;
    --paper: #ffffff;
    --ink: #241716;
    --muted: #6e5a56;
    --line: #eadbd5;
    --accent: #d64f45;
    --accent-soft: #ffe9e5;
    --gold: #a86b2d;
    --shadow: 0 18px 50px rgba(79, 35, 22, .10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--ink);
    background: radial-gradient(circle at 10% 0%, #ffe7dd 0, transparent 34%), var(--bg);
    line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
.site-header, .site-footer, main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header { padding: 20px 0 8px; }
.topbar, .primary-nav, .searchbar, .section, .card, .footer-brand, .hero, .article-body, .notice-panel {
    background: rgba(255,255,255,.88);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
}
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 18px; border-radius: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 900; letter-spacing: .02em; }
.brand img { width: 48px; height: 48px; }
.hostline { margin: 0; color: var(--muted); font-size: 14px; }
.primary-nav { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; padding: 10px; border-radius: 20px; }
.primary-nav a { padding: 9px 12px; border-radius: 999px; font-weight: 700; color: #49302c; }
.primary-nav a:hover { background: var(--accent-soft); }
.searchbar { margin-top: 12px; padding: 14px; border-radius: 20px; display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; }
.searchbar label { font-weight: 800; color: var(--accent); }
.searchbar input { width: 100%; border: 1px solid var(--line); border-radius: 999px; padding: 12px 16px; font-size: 16px; background: #fff; }
.searchbar button, .button { border: 0; border-radius: 999px; padding: 12px 18px; background: var(--accent); color: #fff; font-weight: 800; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
#searchNotice { grid-column: 2 / 4; color: var(--muted); font-size: 14px; }
main { padding: 24px 0 40px; }
.hero { border-radius: 32px; padding: clamp(24px, 5vw, 54px); overflow: hidden; position: relative; }
.hero:after { content: "视频"; position: absolute; right: 5%; top: -28px; font-size: clamp(80px, 18vw, 190px); color: rgba(214, 79, 69, .08); font-weight: 1000; line-height: 1; }
.eyebrow { color: var(--accent); font-weight: 900; letter-spacing: .12em; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 12px; }
h1 { font-size: clamp(32px, 6vw, 62px); max-width: 860px; }
h2 { font-size: clamp(24px, 3.2vw, 34px); }
h3 { font-size: 21px; }
.lead { font-size: 18px; color: var(--muted); max-width: 780px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.badge-list, .tag-list, .meta-list { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 14px 0 0; list-style: none; }
.badge-list li, .tag-list li, .meta-list li { background: var(--accent-soft); color: #77362f; border-radius: 999px; padding: 6px 10px; font-weight: 700; font-size: 14px; }
.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.section { margin-top: 22px; padding: 24px; border-radius: 28px; }
.section-title { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.section-title p { margin: 0; color: var(--muted); }
.card { border-radius: 24px; padding: 18px; }
.card p { color: var(--muted); margin: 8px 0 0; }
.card .source { font-size: 13px; color: var(--gold); font-weight: 800; margin-top: 12px; }
.video-card { position: relative; overflow: hidden; border-radius: 26px; min-height: 260px; background: #33201d; color: #fff; margin: 0; }
.video-card img { width: 100%; height: 100%; min-height: 260px; object-fit: cover; opacity: .88; transition: transform .35s ease, opacity .35s ease; }
.video-card figcaption { position: absolute; inset: auto 0 0 0; padding: 80px 20px 20px; background: linear-gradient(transparent, rgba(0,0,0,.78)); }
.video-card:hover img { transform: scale(1.045); opacity: .72; }
.play-button { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(.86); width: 74px; height: 74px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.92); color: var(--accent); opacity: 0; transition: .25s ease; box-shadow: 0 12px 32px rgba(0,0,0,.25); font-weight: 1000; }
.video-card:hover .play-button, .video-card:focus-within .play-button { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.stats { color: #fff3ef; font-size: 14px; font-weight: 700; }
.breadcrumb { margin: 4px 0 16px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px; font-size: 14px; }
.article-body { border-radius: 30px; padding: clamp(22px, 4vw, 44px); }
.article-body p { font-size: 17px; color: #4b3935; }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 14px; margin: 12px 0 20px; }
.quote { border-left: 5px solid var(--accent); padding: 12px 16px; background: var(--accent-soft); border-radius: 14px; color: #6e302a; }
.notice-panel { border-radius: 24px; padding: 18px; margin-top: 18px; }
.author-card { display: grid; grid-template-columns: 76px 1fr; gap: 14px; align-items: center; }
.author-card img { width: 76px; height: 76px; border-radius: 22px; background: var(--accent-soft); }
.faq details { border: 1px solid var(--line); border-radius: 18px; padding: 14px 16px; background: #fff; }
.faq details + details { margin-top: 12px; }
.faq summary { cursor: pointer; font-weight: 900; }
.comment { border-left: 4px solid var(--accent); padding-left: 14px; }
.table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 18px; }
.table th, .table td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.table th { background: var(--accent-soft); color: #77362f; }
.site-footer { padding: 0 0 28px; }
.footer-brand { border-radius: 28px; padding: 18px; display: flex; gap: 16px; align-items: center; }
.footer-brand img { width: 58px; height: 58px; }
.footer-brand p { margin: 4px 0; color: var(--muted); }
.footer-note { color: var(--muted); font-size: 14px; padding: 0 8px; }
@media (max-width: 820px) {
    .topbar, .searchbar { grid-template-columns: 1fr; display: grid; }
    .topbar { justify-items: start; }
    .grid.two, .grid.three { grid-template-columns: 1fr; }
    .section-title { display: block; }
    #searchNotice { grid-column: auto; }
    .primary-nav { overflow-x: auto; flex-wrap: nowrap; }
    .primary-nav a { white-space: nowrap; }
}
