:root{--bg:#f7f5ef;--card:#ffffff;--ink:#20242a;--muted:#667085;--line:#e8e2d8;--brand:#8a5a44;--accent:#d99a5f;--green:#647d5f}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","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:auto}.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}.nav{display:flex;align-items:center;gap:18px;padding:14px 0;flex-wrap:wrap}.logo{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--brand);font-size:22px;margin-right:auto}.logo-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;display:grid;place-items:center}.nav a{font-weight:700;color:#3f3f46}.nav a:hover{color:var(--brand)}.search{background:#fff;border-bottom:1px solid var(--line);padding:14px 0}.search-row{display:flex;gap:10px}.search input{flex:1;border:1px solid var(--line);border-radius:999px;padding:13px 18px;font-size:15px}.btn{border:0;border-radius:999px;background:var(--brand);color:#fff;padding:12px 18px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.btn.secondary{background:#efe5d8;color:#6d442f}.hero{padding:34px 0 20px}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.hero-card,.card{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:0 12px 28px rgba(80,60,40,.06)}.hero-card{padding:30px}.eyebrow{color:var(--green);font-weight:900}.hero h1{font-size:clamp(30px,5vw,54px);line-height:1.1;margin:10px 0}.hero p{color:var(--muted);font-size:17px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.stat{background:#faf8f3;border:1px solid var(--line);border-radius:16px;padding:14px}.stat strong{display:block;font-size:22px;color:var(--brand)}.side-list{padding:20px}.side-list h2,.section-title h2{margin:0;font-size:25px}.hot-item{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line)}.hot-rank{width:28px;height:28px;border-radius:8px;background:#f1dcc8;color:#784326;display:grid;place-items:center;font-weight:900}.section{padding:24px 0}.section-title{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:14px}.section-title p{margin:5px 0 0;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid.two{grid-template-columns:repeat(2,1fr)}.card{padding:20px}.module-card h3{font-size:22px;margin:0 0 4px;color:var(--brand)}.module-card p{color:var(--muted)}.mini-list{padding-left:18px}.heat{font-weight:800;color:#8a5a44;background:#fbf0e7;border-radius:12px;padding:8px 10px;display:inline-block}.video-card{overflow:hidden;padding:0}.video-thumb{position:relative;aspect-ratio:16/9;background:#ddd;overflow:hidden}.video-thumb img{width:100%;height:100%;object-fit:cover}.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.85);width:64px;height:64px;border-radius:50%;background:rgba(0,0,0,.62);display:grid;place-items:center;opacity:0;transition:.2s}.video-card:hover .play{opacity:1;transform:translate(-50%,-50%) scale(1)}.play:before{content:"";border-left:18px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}.video-body{padding:18px}.meta,.tags{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:13px}.tag{background:#f1eadf;border-radius:999px;padding:4px 9px;color:#76513e}.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.actions button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;cursor:pointer}.author{display:flex;gap:14px;align-items:flex-start}.avatar{width:52px;height:52px;border-radius:18px;background:linear-gradient(135deg,#e4c7a8,#a3b18a);display:grid;place-items:center;color:#fff;font-weight:900;flex:0 0 auto}.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px;margin:10px 0}.faq summary{font-weight:900;cursor:pointer}.comment{border-left:4px solid #dfb17a}.footer{margin-top:30px;background:#2d261f;color:#fff;padding:34px 0}.footer .logo{color:#fff}.footer p{color:#e9dfd2}.breadcrumb{color:var(--muted);font-size:14px;margin-bottom:12px}.notice{background:#fff8ed;border:1px dashed #deb887;padding:12px 14px;border-radius:16px;color:#7a4a28}.dynamic-domain{font-weight:900;color:var(--brand)}@media(max-width:900px){.hero-grid,.grid,.grid.two{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.section-title{display:block}.nav{gap:10px}.logo{width:100%}}