:root{
  --bg:#f7f4ee;
  --panel:#ffffff;
  --ink:#1f2328;
  --muted:#6f756f;
  --line:rgba(31,35,40,.12);
  --soft:rgba(255,255,255,.72);
  --accent:#2b302f;
  --accent-2:#9c8068;
  --shadow:0 24px 80px rgba(31,35,40,.08);
  --radius:28px;
  --radius-sm:18px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;background:radial-gradient(circle at top left,rgba(156,128,104,.12),transparent 34%),var(--bg);color:var(--ink);line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.narrow{width:min(850px,calc(100% - 40px))}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,244,238,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.header-shell{display:flex;align-items:center;justify-content:space-between;padding:18px 0 12px}.brand-logo{display:inline-flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.02em}.brand-logo small{display:block;font-size:12px;color:var(--muted);font-weight:500}.brand-mark{width:42px;height:42px;border-radius:15px;background:var(--accent);color:#fff;display:grid;place-items:center;box-shadow:0 12px 30px rgba(31,35,40,.16)}.main-nav{display:flex;align-items:center;gap:6px;border:1px solid var(--line);padding:6px;border-radius:999px;background:rgba(255,255,255,.55)}.main-nav a{padding:9px 15px;border-radius:999px;color:var(--muted);font-size:14px}.main-nav a:hover,.main-nav a.is-active{background:var(--ink);color:#fff}.nav-toggle{display:none;border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:9px 13px}.search-row{display:flex;align-items:center;gap:16px;padding:0 0 16px}.search-box{flex:1;display:flex;background:var(--panel);border:1px solid var(--line);border-radius:999px;overflow:hidden;box-shadow:0 12px 34px rgba(31,35,40,.04)}.search-box input{flex:1;border:0;background:transparent;padding:14px 18px;outline:0}.search-box button{border:0;background:var(--accent);color:#fff;padding:0 22px;cursor:pointer}.search-hint{margin:0;font-size:13px;color:var(--muted);white-space:nowrap}.hero-section{padding:88px 0 72px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:46px;align-items:center}.eyebrow{margin:0 0 14px;color:var(--accent-2);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:13px}.hero-copy h1,.page-hero h1{font-size:clamp(42px,7vw,78px);line-height:1.04;margin:0 0 24px;letter-spacing:-.05em}.hero-lead,.page-hero p{font-size:18px;color:var(--muted);margin:0 0 28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 22px;border:1px solid var(--line);transition:transform .25s ease,box-shadow .25s ease,background .25s ease}.btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(31,35,40,.1)}.btn.primary{background:var(--accent);color:#fff}.btn.ghost{background:rgba(255,255,255,.56)}.hero-visual{margin:0;border-radius:42px;padding:12px;background:rgba(255,255,255,.48);border:1px solid var(--line);box-shadow:var(--shadow);transform:rotate(1deg)}.hero-visual img{border-radius:32px;aspect-ratio:1.2/1;object-fit:cover}.hero-visual figcaption,.video-body figcaption{font-size:12px;color:var(--muted);padding:10px 4px 0}.section{padding:74px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.section-head h2,.intro-section h2,.stats-card h2,.join-card h2,.faq-section h2{font-size:clamp(28px,4vw,48px);line-height:1.1;margin:0;letter-spacing:-.04em}.section-head a{color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:4px}.intro-section p{font-size:18px;color:var(--muted)}.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.video-card{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 18px 54px rgba(31,35,40,.05);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(156,128,104,.3)}.video-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#ebe5db}.video-thumb img,.video-mock{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.video-card:hover img{transform:scale(1.045)}.video-mock{position:absolute;inset:0;opacity:0}.play-button{position:absolute;inset:auto 18px 18px auto;width:54px;height:54px;border-radius:50%;border:1px solid rgba(255,255,255,.7);background:rgba(31,35,40,.72);color:#fff;display:grid;place-items:center;opacity:0;transform:translateY(8px);transition:.25s ease;cursor:pointer}.video-card:hover .play-button,.video-card.is-preview .play-button{opacity:1;transform:translateY(0)}.video-card.is-preview .video-thumb:after{content:"麻豆视频预览";position:absolute;left:18px;bottom:24px;color:#fff;background:rgba(31,35,40,.54);border-radius:999px;padding:8px 13px;font-size:13px}.video-body{padding:22px}.video-body h3{font-size:21px;line-height:1.3;margin:0 0 10px;letter-spacing:-.02em}.video-body p{color:var(--muted);margin:0 0 14px}.tag-row,.metric-row{display:flex;flex-wrap:wrap;gap:8px}.tag-row span{font-size:12px;background:#f0ebe3;color:#5f564d;border:1px solid var(--line);border-radius:999px;padding:5px 9px}.metric-row{margin-top:16px;color:var(--muted);font-size:13px;justify-content:space-between}.board-section{background:linear-gradient(180deg,rgba(255,255,255,.42),transparent)}.board-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.board-card,.review-card,.feature-list article{background:rgba(255,255,255,.68);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 16px 44px rgba(31,35,40,.04)}.board-card span{color:var(--accent-2);font-size:13px;font-weight:700}.board-card h3,.board-card h2{font-size:24px;margin:12px 0 10px}.board-card p,.feature-list p{color:var(--muted);margin:0 0 18px}.board-card a{font-weight:700;border-bottom:1px solid currentColor}.stats-card,.join-card{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;background:var(--accent);color:#fff;border-radius:42px;padding:42px;box-shadow:var(--shadow)}.stats-card .eyebrow,.join-card .eyebrow{color:#d9c8b7}.stats-card p,.join-card p{color:rgba(255,255,255,.74)}.stats-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:0}.stats-grid div{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:20px}.stats-grid dt{font-size:34px;font-weight:800;letter-spacing:-.04em}.stats-grid dd{margin:0;color:rgba(255,255,255,.72)}.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.review-card p{margin:0 0 16px;color:var(--muted)}.review-card strong{display:block;color:var(--ink)}.faq-list{display:grid;gap:12px;margin-top:24px}.faq-list details{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:20px;padding:18px 20px}.faq-list summary{cursor:pointer;font-weight:700}.faq-list p{color:var(--muted);margin:12px 0 0}.join-form{display:grid;gap:12px}.join-form label{display:grid;gap:6px;color:rgba(255,255,255,.8)}.join-form input{width:100%;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.12);border-radius:16px;padding:13px 14px;color:#fff;outline:0}.join-form input::placeholder{color:rgba(255,255,255,.52)}.join-form .btn{border-color:rgba(255,255,255,.18)}.page-hero{padding:86px 0 52px}.feature-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.feature-list h2{font-size:24px;margin:0 0 10px}.rank-table-wrap{overflow:auto;background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.rank-table{width:100%;border-collapse:collapse;min-width:640px}.rank-table caption{text-align:left;font-size:22px;font-weight:800;padding:24px}.rank-table th,.rank-table td{text-align:left;border-top:1px solid var(--line);padding:18px 24px}.rank-table th{color:var(--muted);font-size:13px}.site-footer{padding:62px 0 28px;background:#171b1f;color:#fff}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:28px}.footer-logo .brand-mark{background:#fff;color:#171b1f}.site-footer p,.site-footer a,.site-footer small{color:rgba(255,255,255,.68)}.site-footer h2{font-size:16px;margin:0 0 12px}.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;font-size:13px}.footer-bottom p{margin:0}
@media (max-width: 920px){.nav-toggle{display:inline-flex}.main-nav{display:none;position:absolute;left:20px;right:20px;top:72px;border-radius:24px;align-items:stretch;flex-direction:column}.main-nav.is-open{display:flex}.search-row{flex-direction:column;align-items:stretch}.search-hint{white-space:normal}.hero-grid,.stats-card,.join-card{grid-template-columns:1fr}.video-grid,.board-grid,.review-grid,.feature-list,.footer-grid{grid-template-columns:1fr 1fr}.hero-section{padding-top:56px}}
@media (max-width: 640px){.container,.narrow{width:min(100% - 28px,var(--max))}.hero-copy h1,.page-hero h1{font-size:40px}.section{padding:52px 0}.section-head{align-items:flex-start;flex-direction:column}.video-grid,.board-grid,.review-grid,.feature-list,.footer-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr}.stats-card,.join-card{padding:28px;border-radius:28px}.metric-row{display:grid;grid-template-columns:1fr}.hero-visual{border-radius:28px}.hero-visual img{border-radius:20px}.main-nav{top:68px}}