:root{--bg:#fffaf3;--card:#ffffff;--ink:#20242c;--muted:#687184;--line:#f0e7da;--accent:#ff5b45;--accent2:#20b887;--soft:#fff0e9;--shadow:0 18px 45px rgba(40,36,28,.08)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,92vw);margin:0 auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,243,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:16px 0}.brand-logo{display:flex;align-items:center;gap:10px;font-weight:900}.logo-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:16px;background:linear-gradient(135deg,var(--accent),#ffb24f);color:#fff;box-shadow:var(--shadow)}.logo-text{font-size:22px}.main-nav{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;color:#3d4352}.main-nav a:hover{color:var(--accent)}.search-strip{border-top:1px solid var(--line);background:#fff}.search-box{display:flex;align-items:center;gap:10px;padding:12px 0}.search-box input{flex:1;border:1px solid var(--line);border-radius:999px;padding:13px 18px;background:#fff;font-size:15px}.search-box button,.btn{border:0;border-radius:999px;background:var(--ink);color:#fff;padding:13px 22px;font-weight:800;cursor:pointer}.search-box p{margin:0;color:var(--muted);font-size:13px}.hero{padding:60px 0 36px}.hero-grid{display:grid;grid-template-columns:1.05fr 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h2{font-size:32px;line-height:1.2;margin:0}.section-head p{margin:8px 0 0;color:var(--muted);max-width:700px}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:0 10px 30px rgba(40,36,28,.045)}.card h3{margin:0 0 10px;font-size:21px}.card p{color:var(--muted);margin:0}.video-card{position:relative;overflow:hidden;padding:0}.video-thumb{position:relative;overflow:hidden;border-radius:28px 28px 0 0}.video-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}.play-layer{position:absolute;inset:0;display:grid;place-items:center;background:rgba(20,24,31,.12);opacity:0;transition:.25s}.play-btn{width:72px;height:72px;border-radius:50%;background:#fff;display:grid;place-items:center;color:var(--accent);font-size:28px;box-shadow:var(--shadow)}.video-card:hover 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0}.contact-panel{background:linear-gradient(135deg,#20242c,#374053);color:#fff;border-radius:32px;padding:32px}.contact-panel p{color:#d9deea}.json-output pre{white-space:pre-wrap;background:#171b22;color:#eff3f9;padding:20px;border-radius:20px;overflow:auto;font-size:13px}.site-footer{background:#151922;color:#eef2f7;margin-top:40px;padding:46px 0 24px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px}.footer-grid p,.footer-grid a{display:block;color:#cbd2dc;margin:8px 0}.footer-grid h2{font-size:18px}.copyright{border-top:1px solid rgba(255,255,255,.1);margin-top:26px;padding-top:20px;color:#aeb7c4;font-size:13px}.breadcrumbs{font-size:14px;color:var(--muted);margin:24px auto 0}.page-hero{padding:50px 0 18px}.page-hero h1{font-size:44px;margin:0 0 12px}.page-hero p{color:var(--muted);max-width:820px}.sr-only{position:absolute;left:-9999px}.notice{background:#fff7d6;border:1px solid #f5df87;border-radius:18px;padding:14px;color:#6a5510}@media(max-width:860px){.hero-grid,.story-wrap,.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.main-nav{gap:12px}.search-box{align-items:stretch;flex-direction:column}.hero{padding-top:34px}.section-head{display:block}.page-hero h1{font-size:34px}}