:root{
  --electric-blue:#00d1ff;
  --neon-pink:#ff2dd2;
  --hot-orange:#ffbc00;
  --acid-green:#91ff00;
  --ink:#111118;
  --deep:#06060c;
  --paper:#fffaf0;
  --muted:#b9bbd1;
  --card:rgba(255,255,255,.09);
  --border:rgba(255,255,255,.22);
  --shadow:0 24px 80px rgba(0,0,0,.32);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--deep)}
body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#fff;background:radial-gradient(circle at 10% 0%,rgba(0,209,255,.25),transparent 34%),radial-gradient(circle at 85% 12%,rgba(255,45,210,.30),transparent 28%),linear-gradient(135deg,#06060c 0%,#141422 42%,#050509 100%);overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
button,input{font:inherit}
.site-header{position:sticky;top:0;z-index:30;padding:16px clamp(14px,3vw,40px) 18px;background:rgba(6,6,12,.80);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.14)}
.header-glow{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(0,209,255,.12),rgba(255,45,210,.14),rgba(145,255,0,.08));mix-blend-mode:screen}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:22px;max-width:1280px;margin:0 auto}
.brand-lockup{display:inline-flex;align-items:center;filter:drop-shadow(0 0 18px rgba(255,45,210,.45))}
.brand-lockup img,.footer-logo img{object-fit:contain}
.main-nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.main-nav a{padding:10px 13px;border:1px solid transparent;border-radius:999px;color:#f7f7ff;font-weight:800;font-size:14px;letter-spacing:.02em;transition:transform .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease}
.main-nav a:hover,.main-nav a.is-active{transform:translateY(-2px) rotate(-1deg);background:linear-gradient(135deg,var(--neon-pink),var(--electric-blue));border-color:rgba(255,255,255,.5);box-shadow:0 0 22px rgba(0,209,255,.45)}
.fake-search{position:relative;max-width:980px;margin:14px auto 0;display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:10px;border:2px solid rgba(255,255,255,.24);border-radius:28px;background:rgba(255,255,255,.08);box-shadow:0 16px 60px rgba(0,0,0,.28)}
.fake-search input{min-width:0;border:0;outline:0;background:transparent;color:#fff;padding:10px 4px;font-weight:700}
.fake-search input::placeholder{color:#d8d8e8}
.search-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:var(--acid-green);color:#111;font-size:24px;font-weight:900}
.fake-search button,.btn{border:0;border-radius:999px;padding:12px 18px;font-weight:950;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}
.fake-search button{background:var(--hot-orange);color:#111;box-shadow:0 0 22px rgba(255,188,0,.45)}
.fake-search button:hover,.btn:hover{transform:translateY(-3px) scale(1.03);filter:saturate(1.2)}
.fake-search-feedback{position:absolute;left:22px;right:22px;bottom:-34px;color:var(--acid-green);font-size:13px;font-weight:800;text-shadow:0 0 10px rgba(145,255,0,.6)}
.section{width:min(1280px,calc(100% - 32px));margin:0 auto;padding:70px 0}
.hero{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);gap:40px;align-items:center;min-height:calc(100vh - 150px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 14px;color:var(--acid-green);font-size:14px;font-weight:950;text-transform:uppercase;letter-spacing:.12em;text-shadow:0 0 15px rgba(145,255,0,.55)}
.eyebrow:before{content:"";width:28px;height:10px;border-radius:99px;background:linear-gradient(90deg,var(--electric-blue),var(--neon-pink),var(--hot-orange))}
h1{margin:0;font-size:clamp(44px,8vw,104px);line-height:.92;letter-spacing:-.06em;text-transform:uppercase;text-shadow:4px 4px 0 rgba(255,45,210,.62),-4px -4px 0 rgba(0,209,255,.45)}
.hero-lead,.page-hero p,.section-title p,.article-card p,.video-body p,.topic-stack p,.tool-list p,.contact-panel p,.join-guide li,.faq-list p{color:#e8e8f8;line-height:1.78;font-size:16px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0}
.btn-primary{background:linear-gradient(135deg,var(--hot-orange),var(--acid-green));color:#111;box-shadow:0 16px 40px rgba(145,255,0,.2),0 0 30px rgba(255,188,0,.35)}
.btn-ghost{background:rgba(255,255,255,.08);border:2px solid rgba(255,255,255,.28);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.1)}
.stat-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:28px}
.stat-strip span{padding:18px;border-radius:24px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);box-shadow:var(--shadow);font-weight:800;color:#dfe0ff}
.stat-strip strong{display:block;font-size:28px;color:var(--hot-orange);text-shadow:0 0 14px rgba(255,188,0,.5)}
.hero-media{position:relative;isolation:isolate}
.hero-media>img,.image-card{border-radius:44px;border:2px solid rgba(255,255,255,.25);box-shadow:0 30px 90px rgba(0,0,0,.45),0 0 60px rgba(255,45,210,.22);overflow:hidden;background:rgba(255,255,255,.06)}
.hero-media>img{transform:rotate(2deg);animation:floaty 5.5s ease-in-out infinite}
.floating-video-card{position:absolute;left:-28px;bottom:-28px;width:min(360px,70%);padding:14px;border-radius:30px;background:rgba(10,10,20,.85);border:2px solid rgba(145,255,0,.55);box-shadow:0 0 50px rgba(145,255,0,.28);transform:rotate(-3deg)}
.floating-video-card strong{display:block;margin-top:10px;color:var(--acid-green)}
.section-title{max-width:860px;margin-bottom:26px}
.section-title h2,.contact-section h2,.page-hero h1{margin:0 0 12px;font-size:clamp(32px,5vw,66px);line-height:1;letter-spacing:-.045em;text-shadow:3px 3px 0 rgba(0,209,255,.42)}
.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.video-card{position:relative;overflow:hidden;border-radius:32px;background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.05));border:1px solid rgba(255,255,255,.18);box-shadow:var(--shadow);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease,filter .28s ease}
.video-card:before{content:"";position:absolute;inset:-40%;background:conic-gradient(from 90deg,var(--electric-blue),var(--neon-pink),var(--hot-orange),var(--acid-green),var(--electric-blue));opacity:0;transition:opacity .28s ease;animation:spin 5s linear infinite;z-index:-1}
.video-card:hover{transform:translateY(-10px) rotate(-1deg) scale(1.015);border-color:rgba(255,255,255,.55);box-shadow:0 26px 90px rgba(255,45,210,.28),0 0 55px rgba(0,209,255,.28);filter:saturate(1.25)}
.video-card:hover:before{opacity:.45}
.video-shell{position:relative;aspect-ratio:16/10;background:#111;overflow:hidden;border-radius:30px 30px 18px 18px}
.video-shell video{width:100%;height:100%;object-fit:cover;filter:saturate(1.15) contrast(1.08);transition:transform .35s ease,filter .35s ease}
.video-card:hover video,.floating-video-card:hover video{transform:scale(1.08);filter:saturate(1.55) contrast(1.16) hue-rotate(18deg)}
.play-pill{position:absolute;left:50%;top:50%;translate:-50% -50%;width:72px;height:72px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.88);color:#111;font-size:30px;font-weight:950;box-shadow:0 0 25px rgba(255,255,255,.75),0 0 55px rgba(255,45,210,.5);transition:transform .25s ease,background .25s ease,opacity .25s ease;opacity:0;transform:scale(.82)}
.video-card:hover .play-pill,.floating-video-card:hover .play-pill{opacity:1;transform:scale(1.16) rotate(8deg);background:var(--hot-orange)}
.duration{position:absolute;right:12px;bottom:12px;padding:6px 10px;border-radius:999px;background:rgba(0,0,0,.72);font-size:12px;font-weight:900;color:#fff}
.video-body{padding:20px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.tag-row span,.article-card span{display:inline-flex;padding:7px 10px;border-radius:999px;background:rgba(145,255,0,.14);border:1px solid rgba(145,255,0,.36);color:var(--acid-green);font-size:12px;font-weight:950}
.video-body h3,.article-card h2,.tool-list strong,.topic-stack strong,.creator-card h3,.join-guide h3{margin:0 0 10px;font-size:22px;line-height:1.18;color:#fff}
.meta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;color:#15151c;font-size:12px;font-weight:950}
.meta-row span{padding:7px 9px;border-radius:999px;background:linear-gradient(135deg,var(--electric-blue),var(--acid-green))}
.split-section,.ai-grid,.contact-panel,.page-hero{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.topic-stack,.tool-list{display:grid;gap:16px}
.topic-stack article,.tool-list article,.article-card,.review-card,.join-guide,.faq-list details,.column-card,.creator-card{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);border-radius:28px;padding:22px;box-shadow:var(--shadow)}
.topic-stack span{display:inline-block;margin-bottom:8px;color:var(--hot-orange);font-weight:950}
.image-card img{width:100%;height:auto;object-fit:cover}
.image-card figcaption{padding:14px 18px;color:#fff;background:rgba(0,0,0,.48);font-weight:900}
.tilt-card{transform:rotate(1.5deg)}
.creator-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.creator-card{text-align:center;transition:transform .25s ease,box-shadow .25s ease}
.creator-card:hover{transform:translateY(-8px) rotate(1deg);box-shadow:0 0 45px rgba(0,209,255,.28)}
.creator-card img{width:100%;border-radius:24px;margin-bottom:14px;border:2px solid rgba(255,255,255,.2)}
.review-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.review-card{min-height:220px;background:linear-gradient(135deg,rgba(255,45,210,.16),rgba(0,209,255,.09));position:relative;overflow:hidden}
.review-card:after{content:"";position:absolute;right:-30px;bottom:-30px;width:110px;height:110px;border-radius:50%;background:rgba(255,188,0,.20)}
.review-score{display:inline-flex;margin-bottom:14px;padding:8px 10px;border-radius:999px;background:var(--hot-orange);color:#111;font-weight:950}
.partner-wall{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:24px}
.partner-wall span{min-height:90px;border:2px solid rgba(255,255,255,.22);border-radius:26px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.04));font-size:20px;font-weight:950;letter-spacing:.08em;color:#fff;text-shadow:2px 2px 0 rgba(255,45,210,.55)}
.guide-faq-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:start}
.faq-list{display:grid;gap:12px}
.faq-list details{padding:0;overflow:hidden}
.faq-list summary{cursor:pointer;padding:18px 20px;font-weight:950;color:#fff;list-style:none;background:linear-gradient(90deg,rgba(0,209,255,.16),rgba(255,45,210,.14))}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list p{padding:0 20px 18px;margin:0}
.column-grid,.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.column-card{display:grid;gap:10px;transition:transform .22s ease,background .22s ease}
.column-card:hover{transform:translateY(-6px) rotate(-1deg);background:linear-gradient(135deg,rgba(255,45,210,.25),rgba(0,209,255,.18))}
.column-card strong{font-size:21px;color:var(--hot-orange)}
.column-card span{color:#e8e8f8;line-height:1.7}
.contact-panel{align-items:start;background:linear-gradient(135deg,rgba(255,45,210,.14),rgba(145,255,0,.08));border:1px solid rgba(255,255,255,.20);border-radius:38px;padding:28px;box-shadow:var(--shadow)}
.contact-list{padding-left:20px;color:#e8e8f8;line-height:1.9}
.qr-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.qr-grid figure{margin:0;padding:14px;border-radius:24px;background:#fff;color:#111;text-align:center;font-weight:950}
.qr-grid img{border-radius:18px;margin:auto}
.page-hero{padding-top:64px}
.breadcrumb-text{margin-bottom:18px;color:#dfe0ff;font-weight:800}
.breadcrumb-text a{color:var(--acid-green)}
.content-rhythm{padding-top:20px}
.site-footer{margin-top:60px;padding:34px clamp(16px,4vw,48px);background:#050509;border-top:1px solid rgba(255,255,255,.16)}
.footer-top{max-width:1280px;margin:0 auto;display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.site-footer p{margin:6px 0;color:#dfe0ff;line-height:1.65}
.back-top{position:fixed;right:16px;bottom:16px;z-index:25;padding:12px 14px;border-radius:999px;background:linear-gradient(135deg,var(--neon-pink),var(--electric-blue));color:#fff;font-weight:950;box-shadow:0 12px 35px rgba(0,0,0,.32)}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(2deg)}50%{transform:translateY(-14px) rotate(-1deg)}}
@keyframes spin{to{transform:rotate(360deg)}}
@media (max-width:1080px){
  .hero,.split-section,.ai-grid,.contact-panel,.page-hero{grid-template-columns:1fr}
  .video-grid,.column-grid,.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .creator-grid,.review-grid,.partner-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .main-nav{justify-content:flex-start}.nav-wrap{align-items:flex-start;flex-direction:column}.guide-faq-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .section{width:min(100% - 22px,1280px);padding:48px 0}
  .fake-search{grid-template-columns:auto 1fr}.fake-search button{grid-column:1/-1}.fake-search-feedback{position:static;grid-column:1/-1}
  h1{font-size:clamp(38px,15vw,64px)}
  .stat-strip,.video-grid,.column-grid,.article-grid,.creator-grid,.review-grid,.partner-wall,.qr-grid{grid-template-columns:1fr}
  .floating-video-card{position:relative;left:auto;bottom:auto;width:100%;margin-top:14px}
  .hero-media>img{transform:none;animation:none}.main-nav a{font-size:13px;padding:9px 10px}.back-top{display:none}
}