:root{
  --bg:#fbfcff;
  --card:#ffffffcc;
  --ink:#20233f;
  --muted:#626a8d;
  --pink:#ff5ccf;
  --blue:#42c8ff;
  --violet:#8468ff;
  --line:#e9ecff;
  --shadow:0 24px 70px rgba(55,74,130,.16);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:radial-gradient(circle at 12% 5%,rgba(255,92,207,.2),transparent 25%),radial-gradient(circle at 90% 8%,rgba(66,200,255,.24),transparent 24%),linear-gradient(180deg,#fff 0%,#f8fbff 44%,#fff 100%);color:var(--ink);line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.82);backdrop-filter:blur(22px);border-bottom:1px solid rgba(230,234,255,.78)}
.topbar{max-width:1240px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:16px 22px}
.brand-logo{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.02em}
.logo-mark{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:18px;color:#fff;background:linear-gradient(135deg,var(--pink),var(--blue));box-shadow:0 16px 35px rgba(255,92,207,.28);font-size:22px}
.logo-text{font-size:17px;color:#2a2e55}
.site-nav{display:flex;align-items:center;gap:5px;flex-wrap:wrap;justify-content:flex-end}
.site-nav a{padding:10px 13px;border-radius:999px;color:#465070;font-size:14px;font-weight:700;transition:.25s ease}
.site-nav a:hover,.site-nav a.is-active{color:#fff;background:linear-gradient(135deg,var(--pink),var(--blue));box-shadow:0 12px 26px rgba(66,200,255,.22)}
.menu-toggle{display:none;border:0;background:#fff;border-radius:14px;box-shadow:var(--shadow);font-size:22px;padding:8px 12px;color:var(--ink)}
.search-wrap{max-width:1240px;margin:0 auto 15px;padding:0 22px 4px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center}
.fake-search{position:relative;display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px;box-shadow:0 18px 45px rgba(70,91,155,.12)}
.fake-search input{width:100%;border:0;outline:none;padding:13px 18px;border-radius:999px;font-size:15px;color:#303756;background:transparent}
.fake-search button{border:0;border-radius:999px;padding:12px 20px;color:#fff;font-weight:800;background:linear-gradient(135deg,var(--pink),var(--blue));cursor:pointer;white-space:nowrap}
.search-tip{position:absolute;left:18px;bottom:-32px;margin:0;font-size:12px;color:var(--muted);opacity:0;transform:translateY(-4px);transition:.2s ease}
.fake-search.is-touched .search-tip{opacity:1;transform:translateY(0)}
.domain-chip{margin:0;padding:10px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.72);color:var(--muted);font-size:13px;white-space:nowrap}
main{max-width:1240px;margin:auto;padding:36px 22px 70px}
.hero{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;min-height:620px;padding:34px 0 28px}
.hero::before{content:"";position:absolute;inset:25px -90px auto auto;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,92,207,.28),transparent 68%);filter:blur(5px);z-index:-1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#8b4bff;background:rgba(132,104,255,.1);border:1px solid rgba(132,104,255,.18);border-radius:999px;padding:7px 12px;font-weight:800;font-size:13px}
h1{font-size:clamp(42px,7vw,82px);line-height:1.03;margin:18px 0 20px;letter-spacing:-.05em}
h1 .grad,h2 .grad{background:linear-gradient(135deg,var(--pink),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;color:var(--muted);max-width:680px;margin:0 0 24px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0}
.btn{display:inline-flex;align-items:center;gap:10px;border-radius:999px;padding:14px 22px;font-weight:900;border:1px solid var(--line);background:#fff;box-shadow:0 18px 45px rgba(70,91,155,.12);transition:.25s ease}
.btn.primary{color:#fff;background:linear-gradient(135deg,var(--pink),var(--blue));border-color:transparent}
.btn:hover{transform:translateY(-3px);box-shadow:0 24px 58px rgba(70,91,155,.18)}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:22px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:16px;box-shadow:var(--shadow)}
.stat strong{display:block;font-size:26px;color:#272b52}.stat span{color:var(--muted);font-size:13px}
.hero-visual{position:relative}.hero-visual::after{content:"";position:absolute;inset:12% -3% -4% 20%;background:linear-gradient(135deg,rgba(255,92,207,.22),rgba(66,200,255,.25));filter:blur(38px);z-index:-1}
.showcase-card{border:1px solid rgba(255,255,255,.8);border-radius:36px;padding:16px;background:rgba(255,255,255,.55);box-shadow:var(--shadow);backdrop-filter:blur(18px);transform:rotate(1deg)}
.video-card{position:relative;overflow:hidden;border-radius:30px;background:#fff;box-shadow:0 22px 65px rgba(40,58,120,.16);border:1px solid rgba(230,234,255,.85);transition:.3s ease}
.video-card img,.video-card video{width:100%;aspect-ratio:16/9;object-fit:cover;background:#f5f7ff}
.video-card video{position:absolute;inset:0;opacity:0;transition:.3s ease;pointer-events:none}
.video-card:hover{transform:translateY(-8px)}
.video-card:hover video{opacity:.16}
.video-card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 35%,rgba(255,92,207,.28),transparent 38%),linear-gradient(180deg,transparent 35%,rgba(23,28,62,.66));opacity:0;transition:.3s ease;z-index:2}
.video-card:hover::before{opacity:1}
.play{position:absolute;left:50%;top:42%;transform:translate(-50%,-50%) scale(.8);z-index:3;width:78px;height:78px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.86);box-shadow:0 18px 46px rgba(255,92,207,.35);opacity:0;transition:.28s ease;color:#ff4fc1;font-size:27px}
.video-card:hover .play{opacity:1;transform:translate(-50%,-50%) scale(1)}
.card-body{position:relative;z-index:4;padding:18px}.tag{display:inline-flex;border-radius:999px;padding:4px 10px;background:rgba(66,200,255,.12);color:#2877aa;font-size:12px;font-weight:900}.video-card h3{margin:10px 0 8px;font-size:20px;line-height:1.35}.video-card p{margin:0;color:var(--muted);font-size:14px}.metrics{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;color:#59617f;font-size:13px}.metrics span{background:#f7f8ff;border-radius:999px;padding:4px 9px}
.section{padding:54px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}.section h2{font-size:clamp(28px,4vw,48px);line-height:1.12;margin:0}.section-head p{max-width:620px;color:var(--muted);margin:8px 0 0}.grid{display:grid;gap:20px}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.info-card,.topic-card,.quote-card,.faq-item,.expert-card,.tool-card,.partner-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 18px 50px rgba(67,84,144,.1);backdrop-filter:blur(14px)}
.info-card h3,.topic-card h3,.quote-card h3,.faq-item h3,.expert-card h3,.tool-card h3{margin:0 0 10px;font-size:21px}.info-card p,.topic-card p,.quote-card p,.faq-item p,.expert-card p,.tool-card p{margin:0;color:var(--muted)}
.topic-card{position:relative;overflow:hidden}.topic-card::after{content:"弹幕";position:absolute;right:18px;top:15px;color:rgba(255,92,207,.16);font-size:42px;font-weight:900}.danmaku{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.danmaku span{padding:6px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#576080;font-size:13px}
.expert-card img,.tool-card img,.info-card img{border-radius:22px;margin-bottom:16px;aspect-ratio:16/10;object-fit:cover}.quote-card strong{display:block;margin-top:16px;color:#2c3158}.quote-card span{color:var(--muted);font-size:13px}.faq-item{cursor:pointer}.faq-item h3{display:flex;justify-content:space-between;gap:16px}.faq-item h3::after{content:"+";color:var(--pink)}.faq-item[open] h3::after{content:"−"}.faq-item summary{list-style:none}.faq-item summary::-webkit-details-marker{display:none}
.partner-wall{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}.partner-wall img{background:#fff;border-radius:22px;border:1px solid var(--line);padding:8px;box-shadow:0 12px 30px rgba(67,84,144,.08)}
.contact-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:center;background:linear-gradient(135deg,rgba(255,92,207,.12),rgba(66,200,255,.14));border:1px solid var(--line);border-radius:36px;padding:28px;box-shadow:var(--shadow)}
.breadcrumb{color:var(--muted);font-size:14px;margin:6px 0 24px}.breadcrumb a{color:#3e78d8;font-weight:800}.page-hero{display:grid;grid-template-columns:1fr .78fr;gap:28px;align-items:center;padding:44px 0}.page-hero h1{font-size:clamp(38px,6vw,70px)}.page-hero img{border-radius:36px;box-shadow:var(--shadow)}
.pill-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.pill-list span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:#59617f;font-weight:700}
.site-footer{background:#20233f;color:#f8fbff;padding:52px 22px 20px;position:relative;overflow:hidden}.site-footer::before{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,92,207,.28),transparent 70%)}.footer-grid{position:relative;max-width:1240px;margin:auto;display:grid;grid-template-columns:1.6fr .7fr .7fr 1fr;gap:24px}.site-footer p,.site-footer a{color:#cfd6ff}.site-footer a{display:block;margin:6px 0}.site-footer img{max-width:118px;border-radius:18px}.footer-logo .logo-text{color:#fff}.footer-bottom{max-width:1240px;margin:30px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);display:flex;gap:14px;flex-wrap:wrap;justify-content:space-between;color:#cfd6ff;font-size:13px}.update-time{font-weight:900;color:#fff!important}
.particle{position:fixed;pointer-events:none;border-radius:50%;background:linear-gradient(135deg,var(--pink),var(--blue));opacity:.24;filter:blur(.3px);z-index:0}
@media (max-width:980px){.menu-toggle{display:block}.site-nav{display:none;position:absolute;left:22px;right:22px;top:78px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:14px;box-shadow:var(--shadow);justify-content:flex-start}.site-nav.is-open{display:flex}.search-wrap{grid-template-columns:1fr}.domain-chip{white-space:normal}.hero,.page-hero,.contact-panel{grid-template-columns:1fr;min-height:auto}.grid.cols-3,.grid.cols-4,.grid.cols-2{grid-template-columns:1fr 1fr}.partner-wall{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.section-head{display:block}}
@media (max-width:620px){main{padding:24px 16px 54px}.topbar,.search-wrap{padding-left:16px;padding-right:16px}.fake-search{border-radius:24px;align-items:stretch;flex-direction:column}.fake-search button{width:100%}.stats,.grid.cols-3,.grid.cols-4,.grid.cols-2,.footer-grid{grid-template-columns:1fr}.partner-wall{grid-template-columns:1fr 1fr}.hero{padding-top:22px}h1{letter-spacing:-.03em}.section{padding:38px 0}.logo-text{font-size:14px}.logo-mark{width:46px;height:46px}.play{width:62px;height:62px}.footer-bottom{display:block}}