:root{--bg:#f7f5f1;--paper:#fffdf8;--ink:#14161f;--muted:#687083;--line:rgba(20,22,31,.11);--soft:rgba(255,255,255,.72);--brand:#ff5148;--brand2:#101828;--shadow:0 24px 70px rgba(18,22,33,.09);--radius:28px;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Segoe UI,Arial,sans-serif;background:radial-gradient(circle at 20% 0%,#fff7e8 0,#f7f5f1 32%,#f6f7fb 100%);color:var(--ink);line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.topbar{position:sticky;top:0;z-index:20;backdrop-filter:blur(18px);background:rgba(247,245,241,.74);border-bottom:1px solid var(--line)}.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.04em}.logo img{width:150px}.nav-links{display:flex;gap:6px;align-items:center}.nav-links a{padding:10px 14px;border-radius:999px;color:#343a49;font-size:15px}.nav-links a:hover,.nav-links a[aria-current="page"]{background:#fff;color:var(--ink);box-shadow:0 8px 30px rgba(17,24,39,.06)}.nav-actions{display:flex;gap:10px;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:12px 18px;font-weight:700;transition:.2s ease;cursor:pointer}.btn.primary{background:var(--ink);color:#fff;border-color:var(--ink)}.btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(18,22,33,.12)}.search-wrap{padding:18px 0 24px;border-bottom:1px solid var(--line)}.search{position:relative}.search input{width:100%;height:58px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.78);padding:0 56px 0 24px;font-size:16px;outline:none;box-shadow:0 14px 45px rgba(18,22,33,.05)}.search button{position:absolute;right:8px;top:8px;height:42px;border:0;border-radius:999px;background:var(--ink);color:#fff;padding:0 18px;font-weight:700}.search-note{display:none;margin-top:10px;color:var(--muted);font-size:14px}.hero{padding:92px 0 74px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:800;font-size:14px;letter-spacing:.08em;text-transform:uppercase}.h1{font-size:clamp(42px,7vw,78px);line-height:1.05;letter-spacing:-.07em;margin:18px 0 24px}.lead{font-size:20px;color:#596174;max-width:660px}.hero-card{position:relative;border-radius:36px;overflow:hidden;background:#111827;box-shadow:var(--shadow);min-height:420px}.hero-card img{width:100%;height:100%;object-fit:cover;opacity:.94}.hero-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(0,0,0,.55))}.hero-meta{position:absolute;left:28px;right:28px;bottom:26px;color:#fff;z-index:2}.tag-row,.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.tag,.chip{display:inline-flex;border:1px solid var(--line);background:rgba(255,255,255,.7);padding:8px 12px;border-radius:999px;color:#3a4050;font-size:14px}.section{padding:72px 0}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:28px}.section h2{font-size:clamp(28px,4vw,44px);letter-spacing:-.05em;line-height:1.16;margin:0}.section p.sub{color:var(--muted);max-width:620px;margin:10px 0 0}.grid{display:grid;gap:20px}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.card{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 16px 50px rgba(18,22,33,.04);transition:.22s ease}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);background:#fff}.video-card{padding:0;overflow:hidden;position:relative}.thumb{position:relative;overflow:hidden}.thumb img{aspect-ratio:16/9;width:100%;object-fit:cover;transition:.3s ease}.video-card:hover .thumb img{transform:scale(1.035)}.play{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transition:.25s ease;background:rgba(17,24,39,.18)}.video-card:hover .play{opacity:1}.play span{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.9);display:grid;place-items:center;color:var(--ink);font-weight:900}.video-body{padding:22px}.video-title{font-size:19px;font-weight:850;line-height:1.35;margin:0 0 10px}.meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:13px}.board{min-height:172px}.board b{font-size:20px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat{padding:26px;border-radius:var(--radius);background:var(--ink);color:#fff}.stat strong{font-size:34px;display:block;letter-spacing:-.04em}.quote{font-size:16px;color:#363d4c}.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#ff5148,#ffd2a1);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:800}.reviewer{display:flex;align-items:center;gap:12px;margin-top:18px}.faq details{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:22px;padding:18px 20px;margin-bottom:12px}.faq summary{cursor:pointer;font-weight:800}.faq p{color:var(--muted);margin:10px 0 0}.join{border-radius:38px;background:linear-gradient(135deg,#151923,#303949);color:#fff;padding:46px;display:grid;grid-template-columns:1fr .8fr;gap:28px;align-items:center}.join input,.join textarea{width:100%;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;border-radius:18px;padding:14px 16px;margin-bottom:10px;outline:none}.join input::placeholder,.join textarea::placeholder{color:rgba(255,255,255,.68)}.footer{padding:42px 0;border-top:1px solid var(--line);color:var(--muted)}.footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,.7fr);gap:26px}.breadcrumb{padding:28px 0 0;color:var(--muted);font-size:14px}.page-hero{padding:54px 0 38px}.article{background:#fff;border:1px solid var(--line);border-radius:34px;padding:38px;box-shadow:var(--shadow)}.rank-list{counter-reset:item}.rank-list li{list-style:none;counter-increment:item;padding:18px 0;border-bottom:1px solid var(--line);display:flex;gap:16px}.rank-list li:before{content:counter(item);width:34px;height:34px;border-radius:50%;background:#111827;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;flex:0 0 auto}@media(max-width:900px){.hero-grid,.join,.footer-grid{grid-template-columns:1fr}.nav{height:auto;padding:16px 0;align-items:flex-start}.nav-links{overflow:auto;max-width:100%;padding-bottom:4px}.nav-actions{display:none}.grid.cols-3,.grid.cols-4,.stats{grid-template-columns:1fr 1fr}.hero{padding-top:56px}.hero-card{min-height:320px}}@media(max-width:560px){.container{width:min(var(--max),calc(100% - 24px))}.nav{gap:12px}.logo img{width:130px}.nav-links{font-size:14px}.grid.cols-3,.grid.cols-4,.stats{grid-template-columns:1fr}.section{padding:46px 0}.join,.article{padding:26px;border-radius:26px}.h1{letter-spacing:-.05em}.lead{font-size:17px}}