:root{--bg:#f8fbff;--card:rgba(255,255,255,.78);--ink:#12182b;--muted:#667085;--pink:#ff5edc;--blue:#38bdf8;--violet:#8b5cf6;--cyan:#22d3ee;--line:rgba(18,24,43,.09);--shadow:0 24px 80px rgba(90,120,255,.16)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;background:radial-gradient(circle at 10% 0%,rgba(255,94,220,.20),transparent 32%),radial-gradient(circle at 90% 8%,rgba(56,189,248,.22),transparent 34%),linear-gradient(180deg,#fff 0%,var(--bg) 100%);color:var(--ink);overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-bg:before,.site-bg:after{content:"";position:fixed;inset:auto;z-index:-1;border-radius:999px;filter:blur(10px);opacity:.45}.site-bg:before{width:360px;height:360px;right:-110px;top:180px;background:linear-gradient(135deg,var(--pink),var(--blue))}.site-bg:after{width:300px;height:300px;left:-110px;bottom:120px;background:linear-gradient(135deg,var(--cyan),var(--violet))}.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.72);backdrop-filter:blur(22px);border-bottom:1px solid var(--line)}.nav-inner{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;gap:16px}.logo{font-weight:900;font-size:26px;letter-spacing:-1px;display:flex;align-items:center;gap:10px}.logo-mark{width:38px;height:38px;border-radius:14px;background:linear-gradient(135deg,var(--pink),var(--blue));box-shadow:0 10px 30px rgba(255,94,220,.35)}.links{display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-size:14px;color:#27324a}.links a{padding:8px 10px;border-radius:999px}.links a:hover{background:#fff;box-shadow:0 8px 22px rgba(30,80,160,.10)}.search-wrap{max-width:1180px;margin:14px auto 0;padding:0 20px 16px}.fake-search{display:flex;gap:10px;background:rgba(255,255,255,.82);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:999px;padding:10px}.fake-search input{flex:1;border:0;background:transparent;font-size:15px;padding:0 14px;outline:0}.btn,.fake-search button{border:0;border-radius:999px;padding:12px 20px;font-weight:800;background:linear-gradient(135deg,var(--pink),var(--blue));color:white;box-shadow:0 14px 34px rgba(56,189,248,.25);cursor:pointer}.btn.secondary{background:white;color:var(--ink);border:1px solid var(--line)}.section{max-width:1180px;margin:0 auto;padding:66px 20px}.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center;padding-top:54px}.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid var(--line);color:#6b3ef5;font-weight:800;font-size:13px}.hero h1{font-size:clamp(42px,7vw,82px);line-height:.96;margin:18px 0 18px;letter-spacing:-4px}.grad{background:linear-gradient(135deg,var(--pink),var(--blue),var(--violet));-webkit-background-clip:text;color:transparent}.lead{font-size:18px;color:var(--muted);line-height:1.8;max-width:680px}.cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.hero-card{position:relative;border-radius:34px;overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.9);min-height:430px;background:#fff}.hero-card img{height:100%;width:100%;object-fit:cover}.float-stats{position:absolute;left:18px;right:18px;bottom:18px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat{background:rgba(255,255,255,.82);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.95);border-radius:20px;padding:14px}.stat strong{display:block;font-size:22px}.section-title{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}.section h2{font-size:clamp(30px,4vw,52px);margin:0;letter-spacing:-2px}.section-title p{color:var(--muted);max-width:520px;line-height:1.7}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:var(--card);border:1px solid rgba(255,255,255,.82);box-shadow:0 20px 70px rgba(55,80,140,.10);border-radius:28px;padding:18px;position:relative;overflow:hidden}.video-card{padding:0;min-height:360px}.video-thumb{position:relative;overflow:hidden;border-radius:28px 28px 0 0;aspect-ratio:16/10;background:#fff}.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}.play{position:absolute;inset:0;display:grid;place-items:center;background:radial-gradient(circle,rgba(255,255,255,.52),rgba(255,94,220,.08),transparent 70%);opacity:0;transition:.28s}.play:before{content:"▶";width:72px;height:72px;border-radius:999px;display:grid;place-items:center;background:rgba(255,255,255,.92);box-shadow:0 18px 50px rgba(255,94,220,.3);color:var(--pink);font-size:28px}.video-card:hover .play{opacity:1}.video-card:hover img{transform:scale(1.08)}.video-body{padding:18px}.tags{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.tag{font-size:12px;padding:6px 10px;border-radius:999px;background:linear-gradient(135deg,rgba(255,94,220,.13),rgba(56,189,248,.13));color:#5340b9}.metrics{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;border-top:1px solid var(--line);padding-top:12px}.community{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}.bubble{padding:18px;border-radius:24px;background:linear-gradient(135deg,rgba(255,255,255,.9),rgba(245,249,255,.72));border:1px solid var(--line)}.danmu{margin-top:14px;color:#ff4fc7;font-weight:800}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.expert{display:grid;grid-template-columns:1fr 1.2fr;gap:24px;align-items:center}.reviews,.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.quote{line-height:1.8;color:#4b5565}.wall{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.partner{height:72px;border-radius:20px;background:rgba(255,255,255,.8);border:1px solid var(--line);display:grid;place-items:center;font-weight:900;color:#77809a}.contact-box{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:center}.footer{background:rgba(255,255,255,.72);border-top:1px solid var(--line);padding:34px 20px;color:#667085}.footer-inner{max-width:1180px;margin:auto;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.notice{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);padding:12px 18px;border-radius:999px;background:#12182b;color:white;box-shadow:var(--shadow);display:none;z-index:50}.page-hero{padding:72px 20px 26px}.breadcrumb{color:#667085;font-size:14px;margin-bottom:16px}.list{display:grid;gap:16px}.mini{display:flex;gap:16px;align-items:center}.mini img{width:170px;border-radius:22px;aspect-ratio:16/10;object-fit:cover}@media(max-width:900px){.hero,.expert,.contact-box{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.features,.community,.reviews,.faq{grid-template-columns:1fr}.wall{grid-template-columns:repeat(3,1fr)}.links{display:none}.hero h1{letter-spacing:-2px}.hero-card{min-height:320px}}@media(max-width:560px){.grid{grid-template-columns:1fr}.float-stats{grid-template-columns:1fr}.section{padding:46px 16px}.nav-inner,.search-wrap{padding-left:16px;padding-right:16px}.mini{display:block}.mini img{width:100%;margin-bottom:12px}}