:root {
    --bg: #fffaf2;
    --card: #ffffff;
    --text: #1f2933;
    --muted: #64748b;
    --line: #f1d9b7;
    --brand: #d97706;
    --brand-dark: #92400e;
    --soft: #fff4df;
    --green: #4d7c0f;
    --shadow: 0 18px 50px rgba(146, 64, 14, .12);
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: linear-gradient(180deg, #fff7ea 0%, #fffaf2 45%, #ffffff 100%);
    line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; display: block; }
.site-header, .site-footer, main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header { padding: 22px 0 10px; }
.topbar, .main-nav, .search-box div, .section-head, .footer-grid, .metrics, .tag-row, .share-row { display: flex; align-items: center; gap: 14px; }
.topbar { justify-content: space-between; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 26px; font-weight: 900; color: var(--brand-dark); }
.logo-mark { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 16px; background: var(--brand); color: #fff; box-shadow: var(--shadow); }
.domain-pill { padding: 8px 14px; border: 1px solid var(--line); background: rgba(255,255,255,.78); border-radius: 999px; color: var(--muted); }
.main-nav { margin-top: 18px; padding: 12px; background: var(--card); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); overflow-x: auto; }
.main-nav a { white-space: nowrap; padding: 8px 12px; border-radius: 999px; color: var(--brand-dark); font-weight: 700; }
.main-nav a:hover { background: var(--soft); }
.search-box { margin-top: 16px; padding: 16px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow); }
.search-box label { display: block; font-weight: 800; margin-bottom: 8px; }
.search-box input { flex: 1; min-width: 0; border: 1px solid var(--line); border-radius: 14px; padding: 13px 14px; font-size: 16px; }
button, .btn { border: 0; border-radius: 14px; padding: 13px 18px; background: var(--brand); color: #fff; font-weight: 800; cursor: pointer; }
button:hover, .btn:hover { background: var(--brand-dark); }
#searchNotice { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: stretch; padding: 26px 0; }
.hero-panel, .card, .section, .article-shell, .info-panel { background: rgba(255,255,255,.86); border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); }
.hero-panel { padding: 34px; display: flex; flex-direction: column; justify-content: center; }
.eyebrow { color: var(--brand); font-weight: 900; letter-spacing: .03em; margin: 0 0 8px; }
h1 { margin: 0; font-size: clamp(34px, 5vw, 60px); line-height: 1.12; color: var(--brand-dark); }
h2 { margin: 0; font-size: clamp(24px, 3vw, 34px); color: var(--brand-dark); line-height: 1.25; }
h3 { margin: 8px 0 8px; line-height: 1.35; }
.lead { font-size: 18px; color: #3f4652; margin: 18px 0; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; }
.ghost { background: var(--soft); color: var(--brand-dark); }
.ghost:hover { background: #ffe7bd; }
.section { padding: 26px; margin: 22px 0; }
.section-head { justify-content: space-between; align-items: flex-end; margin-bottom: 18px; }
.section-head p { margin: 6px 0 0; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.video-card { background: var(--card); border: 1px solid var(--line); border-radius: 24px; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.video-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.video-frame { position: relative; aspect-ratio: 16 / 9; background: #111827; overflow: hidden; }
.video-frame video { width: 100%; height: 100%; object-fit: cover; }
.play-button { position: absolute; inset: 0; margin: auto; width: 68px; height: 68px; border-radius: 50%; background: rgba(217,119,6,.92); opacity: 0; transform: scale(.9); transition: .2s ease; }
.play-button::after { content: ""; position: absolute; left: 27px; top: 20px; border-left: 20px solid #fff; border-top: 14px solid transparent; border-bottom: 14px solid transparent; }
.video-card:hover .play-button, .video-card:focus-within .play-button { opacity: 1; transform: scale(1); }
.video-badge { position: absolute; top: 12px; left: 12px; padding: 4px 10px; border-radius: 999px; background: rgba(255,255,255,.92); color: var(--brand-dark); font-weight: 900; }
.video-body { padding: 18px; }
.video-body p { color: var(--muted); }
.image-desc { font-size: 13px; border-left: 3px solid var(--brand); padding-left: 10px; }
.metrics { flex-wrap: wrap; font-size: 13px; color: var(--brand-dark); font-weight: 800; }
.metrics span { background: var(--soft); padding: 5px 9px; border-radius: 999px; }
.card { padding: 20px; }
.card p { color: var(--muted); margin-bottom: 0; }
.breadcrumb { margin: 18px 0 0; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px; }
.breadcrumb a { color: var(--brand-dark); font-weight: 700; }
.article-shell { padding: 30px; margin: 24px 0; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 14px; margin: 16px 0; }
.article-cover { border-radius: 24px; overflow: hidden; margin: 22px 0; }
.article-content p { font-size: 18px; margin: 18px 0; }
.tag-row, .share-row { flex-wrap: wrap; margin-top: 18px; }
.tag { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: var(--soft); color: var(--brand-dark); font-weight: 800; font-size: 13px; }
.list { display: grid; gap: 12px; }
.list a { padding: 14px; border-radius: 16px; background: var(--soft); color: var(--brand-dark); font-weight: 800; }
.faq details { border: 1px solid var(--line); background: #fff; border-radius: 18px; padding: 14px 16px; }
.faq details + details { margin-top: 12px; }
.faq summary { cursor: pointer; font-weight: 900; color: var(--brand-dark); }
.comment { border-left: 4px solid var(--brand); padding-left: 14px; }
.author-card { min-height: 190px; }
.footer-grid { align-items: flex-start; justify-content: space-between; gap: 28px; }
.site-footer { margin-top: 34px; padding: 30px 0 36px; color: var(--muted); }
.site-footer h2 { font-size: 18px; }
.copyright { border-top: 1px solid var(--line); padding-top: 18px; }
@media (max-width: 900px) {
    .hero, .grid, .grid.two, .grid.four { grid-template-columns: 1fr; }
    .section-head, .footer-grid { display: block; }
    .hero-panel { padding: 24px; }
}
@media (max-width: 560px) {
    .site-header, .site-footer, main { width: min(100% - 20px, 1180px); }
    .search-box div, .topbar { align-items: stretch; }
    .search-box div { flex-direction: column; }
    button, .btn { width: 100%; text-align: center; }
}