:root{--black:#050508;--white:#fff;--blue:#00e5ff;--pink:#ff00aa;--orange:#ffb000;--green:#baff00;--muted:#c9c9d7;--panel:rgba(255,255,255,.08);--line:rgba(255,255,255,.18);--shadow:0 0 40px rgba(0,229,255,.25),0 0 80px rgba(255,0,170,.18)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--white);background:radial-gradient(circle at 10% 10%,rgba(0,229,255,.2),transparent 30%),radial-gradient(circle at 90% 0,rgba(255,0,170,.24),transparent 32%),radial-gradient(circle at 50% 100%,rgba(186,255,0,.16),transparent 35%),#050508;line-height:1.72;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(transparent 92%,rgba(255,255,255,.06) 93%),linear-gradient(90deg,transparent 92%,rgba(255,255,255,.05) 93%);background-size:46px 46px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),rgba(0,0,0,0));z-index:-1}
a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.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(5,5,8,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-wrap{width:min(1180px,92vw);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 0}.logo-link{display:inline-flex;filter:drop-shadow(0 0 18px rgba(0,229,255,.4))}
.main-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.main-nav a{padding:10px 14px;border:1px solid transparent;border-radius:999px;color:#f9f9ff;font-weight:800;font-size:14px;letter-spacing:.02em}.main-nav a:hover,.main-nav .is-active{border-color:var(--blue);color:var(--black);background:linear-gradient(135deg,var(--blue),var(--green));box-shadow:0 0 24px rgba(0,229,255,.4)}
.menu-toggle{display:none;border:1px solid var(--line);color:var(--white);background:rgba(255,255,255,.08);border-radius:14px;padding:9px 13px;font-size:22px}.fake-search-area{width:min(1180px,92vw);margin:0 auto 12px}.fake-search{display:grid;grid-template-columns:1fr auto;gap:10px;padding:8px;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.08);box-shadow:var(--shadow)}
.fake-search input{width:100%;border:0;outline:0;background:transparent;color:var(--white);padding:13px 16px;font-size:16px}.fake-search input::placeholder{color:rgba(255,255,255,.65)}.fake-search button,.cta,.pill-btn{border:0;border-radius:999px;background:linear-gradient(135deg,var(--pink),var(--orange) 48%,var(--green));color:#050508;font-weight:1000;padding:13px 20px;cursor:pointer;box-shadow:0 0 28px rgba(255,0,170,.35)}
.search-tip{margin:8px 8px 0;color:var(--muted);font-size:13px}main{width:min(1180px,92vw);margin:auto}.hero{min-height:68vh;display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;padding:72px 0 48px}.kicker{display:inline-flex;gap:8px;align-items:center;border:1px solid rgba(186,255,0,.5);border-radius:999px;padding:8px 12px;color:var(--green);background:rgba(186,255,0,.08);font-weight:900}
h1,h2,h3,h4,h5,h6{line-height:1.12;margin:0 0 14px}h1{font-size:clamp(42px,8vw,98px);letter-spacing:-.06em;text-transform:uppercase}h1 span,.gradient-text{background:linear-gradient(135deg,var(--blue),var(--pink),var(--orange),var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}.lede{font-size:clamp(17px,2.2vw,22px);color:#f1f1f8;max-width:720px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.cta.alt{background:transparent;color:var(--white);border:2px solid var(--blue)}
.hero-card,.panel,.video-card,.topic-card,.review,.faq-item,.creator-card,.contact-card{border:1px solid var(--line);border-radius:30px;background:linear-gradient(160deg,rgba(255,255,255,.12),rgba(255,255,255,.05));box-shadow:var(--shadow);overflow:hidden}.hero-card{position:relative;isolation:isolate;padding:18px;transform:rotate(1deg)}.hero-card::after{content:"17c VIDEO";position:absolute;right:-34px;bottom:18px;color:rgba(255,255,255,.1);font-weight:1000;font-size:86px;z-index:-1}.hero-card img{border-radius:22px}.section{padding:64px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}.section-title{font-size:clamp(30px,5vw,58px);letter-spacing:-.04em}.section-desc{color:var(--muted);max-width:640px}
.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.video-grid{grid-template-columns:repeat(3,1fr)}.video-card{position:relative;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}.video-card:hover{transform:translateY(-10px) rotate(-.6deg);border-color:var(--green);box-shadow:0 0 0 2px rgba(186,255,0,.2),0 0 50px rgba(255,0,170,.35),0 0 92px rgba(0,229,255,.22)}
.video-figure{position:relative;margin:0;min-height:220px;background:#111;overflow:hidden}.demo-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.poster-fallback{width:100%;height:260px;object-fit:cover;filter:saturate(1.25) contrast(1.08)}.play-badge{position:absolute;left:50%;top:50%;translate:-50% -50%;width:74px;height:74px;border-radius:50%;border:3px solid var(--white);color:var(--black);background:linear-gradient(135deg,var(--blue),var(--green));font-size:25px;box-shadow:0 0 32px rgba(0,229,255,.7);opacity:.92;transform:scale(.86);transition:.25s ease;z-index:3}.video-card:hover .play-badge{transform:scale(1.08) rotate(8deg);background:linear-gradient(135deg,var(--pink),var(--orange))}
.video-figure figcaption{position:absolute;left:12px;right:12px;bottom:10px;color:#fff;font-size:12px;background:rgba(0,0,0,.54);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:6px 10px}.video-body{padding:18px}.video-body h3{font-size:22px}.video-body p{color:var(--muted);margin:0 0 14px}.metrics,.tags,.chip-row{display:flex;gap:8px;flex-wrap:wrap}.metrics span{border-radius:999px;background:rgba(255,255,255,.1);color:#fff;padding:5px 9px;font-size:12px;font-weight:800}.tags span,.chip{border:1px solid rgba(0,229,255,.35);background:rgba(0,229,255,.1);color:#eaffff;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:900}
.panel{padding:24px}.topic-card{padding:24px;position:relative;overflow:hidden}.topic-card::before{content:"";position:absolute;inset:auto -20% -60% -20%;height:150px;background:linear-gradient(90deg,var(--blue),var(--pink),var(--orange),var(--green));filter:blur(28px);opacity:.38}.topic-card h3,.topic-card p{position:relative}.topic-card p{color:var(--muted)}.big-number{font-size:48px;font-weight:1000;color:var(--green);text-shadow:0 0 18px rgba(186,255,0,.4)}.creator-card{padding:20px}.creator-avatar{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--pink),var(--orange));display:grid;place-items:center;color:var(--black);font-weight:1000;margin-bottom:16px}.review{padding:22px}.review strong{color:var(--green)}
.partner-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.partner-wall img{border-radius:20px;border:1px solid var(--line)}.faq-list{display:grid;gap:12px}.faq-item{padding:18px}.faq-item summary{cursor:pointer;font-weight:1000;color:var(--white)}.faq-item p{color:var(--muted);margin-bottom:0}.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.contact-card{padding:24px}.domain-pill{display:inline-block;border:1px solid var(--green);border-radius:999px;padding:8px 12px;color:var(--green);background:rgba(186,255,0,.08);word-break:break-all}.qr-row{display:flex;gap:14px;flex-wrap:wrap}.qr-row figure{margin:0;text-align:center}.qr-row figcaption{font-size:12px;color:var(--muted);margin-top:6px}
.site-footer{margin-top:64px;border-top:1px solid var(--line);background:#08080c;padding:42px 0}.footer-grid{width:min(1180px,92vw);margin:auto;display:grid;grid-template-columns:1.1fr .8fr .7fr;gap:26px;align-items:start}.footer-links{display:grid;gap:10px}.footer-links a{color:var(--blue);font-weight:900}.breadcrumb{font-size:14px;color:var(--muted);margin:24px 0 0}.breadcrumb a{color:var(--green)}.sub-hero{padding:56px 0 26px}.sub-hero h1{font-size:clamp(38px,6vw,76px)}.inline-image{margin:20px 0 0;border-radius:26px;overflow:hidden;border:1px solid var(--line)}.inline-image figcaption{padding:10px 14px;background:rgba(255,255,255,.08);color:var(--muted);font-size:13px}.table-like{display:grid;gap:10px}.table-row{display:grid;grid-template-columns:1fr auto;gap:12px;padding:14px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.06)}
@media (max-width:980px){.hero,.contact-grid{grid-template-columns:1fr}.grid-3,.grid-4,.video-grid{grid-template-columns:repeat(2,1fr)}.partner-wall{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1fr}.main-nav{display:none;position:absolute;left:4vw;right:4vw;top:82px;padding:16px;border:1px solid var(--line);border-radius:24px;background:rgba(5,5,8,.96);box-shadow:var(--shadow)}.main-nav.is-open{display:flex}.menu-toggle{display:block}}
@media (max-width:640px){.fake-search{grid-template-columns:1fr}.grid-3,.grid-4,.video-grid{grid-template-columns:1fr}.partner-wall{grid-template-columns:repeat(2,1fr)}.hero{padding-top:44px}.section{padding:46px 0}.table-row{grid-template-columns:1fr}}