:root {
    --ink: #1d1b24;
    --muted: #666271;
    --soft: #f7f3ef;
    --paper: #fffdf9;
    --line: #ece5dc;
    --accent: #fa6f6b;
    --accent-dark: #d84a55;
    --green: #6bbf9d;
    --blue: #7aa4ff;
    --shadow: 0 18px 45px rgba(29, 27, 36, .08);
    --radius: 26px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: linear-gradient(180deg, #fff8f2 0%, #fffdf9 45%, #f8fbff 100%);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.72;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.site-header, main, .site-footer { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.site-header { padding: 18px 0 0; position: relative; z-index: 5; }
.topbar {
    display: flex; align-items: center; justify-content: space-between; gap: 18px;
    padding: 14px 16px; border: 1px solid rgba(236,229,220,.86); border-radius: 999px;
    background: rgba(255, 253, 249, .84); backdrop-filter: blur(18px); box-shadow: var(--shadow);
}
.brand-lockup { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; white-space: nowrap; }
.brand-lockup img { border-radius: 16px; }
.main-nav { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.main-nav a { padding: 9px 12px; border-radius: 999px; color: var(--muted); font-size: 14px; }
.main-nav a:hover, .main-nav a.active { color: var(--ink); background: #fff0ea; }
.search-shell { margin: 16px 0 0; padding: 18px; background: rgba(255,255,255,.72); border: 1px solid var(--line); border-radius: 22px; box-shadow: 0 8px 24px rgba(29,27,36,.05); }
.search-shell label { display: block; font-weight: 800; margin-bottom: 8px; }
.search-row { display: flex; gap: 10px; }
.search-row input { flex: 1; min-width: 0; border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; font: inherit; background: #fff; }
.search-row button, .btn { border: 0; cursor: pointer; padding: 12px 18px; border-radius: 16px; background: var(--ink); color: #fff; font-weight: 800; font: inherit; }
.search-tip { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 32px; align-items: center; padding: 56px 0 34px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 999px; background: #fff2eb; color: var(--accent-dark); font-weight: 800; font-size: 14px; }
h1, h2, h3 { line-height: 1.18; margin: 0 0 14px; }
h1 { font-size: clamp(38px, 6vw, 72px); letter-spacing: -1.6px; }
h2 { font-size: clamp(28px, 4vw, 44px); }
h3 { font-size: 22px; }
p { margin: 0 0 14px; }
.hero p { color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 0; }
.btn.secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.hero-media { position: relative; }
.hero-media figure { margin: 0; border-radius: 34px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid #fff; background: #fff; }
.hero-media figcaption { padding: 12px 16px; color: var(--muted); font-size: 14px; }
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 18px; }
.stat { background: rgba(255,255,255,.85); border: 1px solid var(--line); padding: 16px; border-radius: 20px; box-shadow: 0 10px 24px rgba(29,27,36,.05); }
.stat strong { display: block; font-size: 24px; }
.section { padding: 54px 0; }
.section-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 24px; }
.section-head p { color: var(--muted); max-width: 620px; }
.grid { display: grid; gap: 18px; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { background: rgba(255,255,255,.86); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.card .tag, .tag { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: #eef7ff; color: #3362b8; font-size: 13px; font-weight: 800; margin-bottom: 12px; }
.video-card { position: relative; overflow: hidden; padding: 0; cursor: pointer; }
.video-card .video-wrap { position: relative; background: #111; border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; }
.video-card video, .video-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.video-card .play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(.86); width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.92); color: var(--accent-dark); box-shadow: 0 16px 35px rgba(0,0,0,.18); opacity: 0; transition: .22s ease; font-size: 24px; }
.video-card:hover .play, .video-card.is-hover .play { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.video-card .body { padding: 18px; }
.metrics { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; color: var(--muted); font-size: 13px; }
.metrics span { background: var(--soft); border-radius: 999px; padding: 5px 9px; }
.story { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px; align-items: stretch; }
.story .panel { min-height: 240px; background: linear-gradient(135deg, #ffe4da, #eaf3ff); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; justify-content: flex-end; }
.timeline { display: grid; gap: 14px; }
.timeline article { border-left: 4px solid var(--accent); padding-left: 16px; }
.review { display: flex; flex-direction: column; gap: 10px; }
.stars { color: #ff9d2e; letter-spacing: 2px; }
.faq-list { display: grid; gap: 14px; }
details { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px 20px; box-shadow: 0 8px 22px rgba(29,27,36,.04); }
summary { cursor: pointer; font-weight: 800; }
.breadcrumb { color: var(--muted); font-size: 14px; margin: 26px 0 10px; }
.page-hero { padding: 40px 0 24px; }
.content-block { background: rgba(255,255,255,.86); border: 1px solid var(--line); border-radius: 28px; padding: 28px; box-shadow: var(--shadow); margin-bottom: 18px; }
.kv-list { display: grid; gap: 12px; }
.kv-list div { display: grid; grid-template-columns: 160px 1fr; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.site-footer { margin-top: 56px; padding: 36px 0 24px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 22px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; color: var(--muted); }
.footer-grid p, .copyright { color: var(--muted); }
.footer-grid img { border-radius: 18px; margin-bottom: 12px; }
.copyright { margin-top: 22px; font-size: 14px; }
.notice { padding: 16px 18px; background: #eefbf5; border: 1px solid #d6f3e5; border-radius: 20px; color: #316650; }
@media (max-width: 920px) {
    .topbar { align-items: flex-start; border-radius: 28px; flex-direction: column; }
    .main-nav { justify-content: flex-start; }
    .hero, .story, .grid.three, .grid.two, .footer-grid { grid-template-columns: 1fr; }
    .section-head { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 620px) {
    .site-header, main, .site-footer { width: min(100% - 22px, 1160px); }
    .search-row { flex-direction: column; }
    .hero { padding-top: 34px; }
    .stat-strip { grid-template-columns: 1fr; }
    .kv-list div { grid-template-columns: 1fr; }
}