:root{
  --ink:#100d20;--ink-2:#19142e;--panel:#211a3d;--panel-2:#2b224d;
  --text:#f8f5ff;--muted:#bdb5d6;--coral:#ff667a;--rose:#f24872;
  --plum:#9a5cf6;--gold:#ffd78a;--line:rgba(255,255,255,.12);--shadow:0 22px 60px rgba(4,2,15,.35);
  --radius:24px;--container:min(1180px,calc(100% - 36px));
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ink);color:var(--text);font-family:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.7;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 80% 0,rgba(154,92,246,.17),transparent 32%),radial-gradient(circle at 8% 30%,rgba(255,102,122,.1),transparent 26%),linear-gradient(180deg,#100d20,#151128 48%,#0e0b1b)}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input{font:inherit}.container{width:var(--container);margin-inline:auto}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:16px;top:16px;z-index:99;background:#fff;color:#111;padding:10px 16px;border-radius:10px}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--gold);font-size:.83rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.eyebrow:before{content:"";width:24px;height:2px;background:linear-gradient(90deg,var(--coral),var(--gold))}.section{padding:92px 0}.section-soft{background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,0))}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}.section-head h2{margin:8px 0 0;font-size:clamp(2rem,4vw,3.4rem);line-height:1.15;letter-spacing:-.04em}.section-head p{max-width:590px;margin:0;color:var(--muted)}.text-gradient{background:linear-gradient(120deg,#fff 10%,var(--gold) 55%,var(--coral));-webkit-background-clip:text;background-clip:text;color:transparent}.topbar{border-bottom:1px solid var(--line);background:rgba(10,8,22,.88);font-size:.78rem;color:var(--muted)}.topbar .container{display:flex;justify-content:space-between;padding:7px 0}.site-header{position:sticky;top:0;z-index:30;background:rgba(16,13,32,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav-row{min-height:74px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;min-width:max-content}.brand img{width:43px;height:43px;border-radius:14px;object-fit:cover;background:#fff}.brand strong{font-size:1.24rem;letter-spacing:-.03em}.brand span{display:block;font-size:.68rem;color:var(--muted);letter-spacing:.08em}.main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}.main-nav a{padding:10px 13px;border-radius:12px;color:#ddd6f3;font-size:.92rem;transition:.25s}.main-nav a:hover,.main-nav a.active{background:rgba(255,255,255,.08);color:#fff}.nav-cta,.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:0;border-radius:13px;padding:11px 18px;font-weight:800;cursor:pointer;transition:.25s}.nav-cta,.btn-primary{background:linear-gradient(120deg,var(--coral),var(--rose));box-shadow:0 10px 25px rgba(242,72,114,.24)}.nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08)}.btn-secondary{background:rgba(255,255,255,.09);border:1px solid var(--line)}.btn-secondary:hover{background:rgba(255,255,255,.14)}.menu-toggle{display:none;background:none;border:1px solid var(--line);color:white;border-radius:10px;padding:8px 12px}.search-band{border-top:1px solid var(--line);padding:11px 0;background:rgba(10,8,23,.42)}.search-box{display:flex;max-width:740px;margin:auto;background:rgba(255,255,255,.075);border:1px solid var(--line);border-radius:15px;padding:5px}.search-box input{flex:1;min-width:0;background:none;border:0;color:#fff;padding:8px 12px;outline:0}.search-box button{border:0;background:var(--gold);color:#291d15;border-radius:11px;padding:8px 17px;font-weight:900;cursor:pointer}.search-result{display:none;text-align:center;font-size:.8rem;color:var(--muted);padding-top:7px}.hero{min-height:670px;position:relative;display:grid;align-items:center;background-image:linear-gradient(90deg,rgba(12,9,25,.98) 4%,rgba(12,9,25,.89) 38%,rgba(12,9,25,.1) 72%),url('../images/hero.webp');background-size:cover;background-position:center}.hero:after{content:"";position:absolute;inset:auto 0 0;height:170px;background:linear-gradient(transparent,var(--ink));pointer-events:none}.hero-content{position:relative;z-index:2;max-width:670px;padding:95px 0 130px}.hero h1{font-size:clamp(3.1rem,7.5vw,6.2rem);line-height:.98;letter-spacing:-.065em;margin:22px 0}.hero h1 small{display:block;font-size:.34em;line-height:1.4;letter-spacing:.02em;color:var(--gold);margin-top:14px}.hero p{font-size:1.13rem;color:#d4cee8;max-width:610px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}.hero-stats{display:flex;gap:34px;margin-top:42px}.hero-stats strong{font-size:1.5rem}.hero-stats span{display:block;color:var(--muted);font-size:.76rem}.live-pill{display:inline-flex;gap:9px;align-items:center;padding:8px 12px;border:1px solid rgba(255,215,138,.26);border-radius:999px;background:rgba(255,215,138,.07)}.live-dot{width:8px;height:8px;background:var(--coral);border-radius:50%;box-shadow:0 0 0 6px rgba(255,102,122,.12);animation:pulse 1.8s infinite}@keyframes pulse{50%{box-shadow:0 0 0 11px transparent}}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.service-card{position:relative;overflow:hidden;min-height:310px;border:1px solid var(--line);border-radius:var(--radius);padding:27px;background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.025));box-shadow:var(--shadow)}.service-card:before{content:"";position:absolute;width:150px;height:150px;right:-40px;top:-40px;background:radial-gradient(circle,var(--card-glow,rgba(255,102,122,.2)),transparent 70%)}.service-card .num{font-size:.73rem;color:var(--gold);font-weight:800}.service-card h3{font-size:1.4rem;margin:40px 0 8px}.service-card p{color:var(--muted);font-size:.9rem}.tag-list{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}.tag{font-size:.7rem;padding:5px 9px;border:1px solid var(--line);border-radius:99px;color:#e0d9f3;background:rgba(255,255,255,.03)}.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.video-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow);transition:.3s}.video-card:hover{transform:translateY(-5px);border-color:rgba(255,215,138,.38)}.video-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0c091a}.video-cover img{width:100%;height:100%;object-fit:cover;transition:.55s}.video-card:hover .video-cover img{transform:scale(1.045);filter:brightness(.66)}.play-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-45%) scale(.85);width:68px;height:68px;border:1px solid rgba(255,255,255,.6);border-radius:50%;background:rgba(16,13,32,.7);color:#fff;display:grid;place-items:center;font-size:1.45rem;opacity:0;transition:.3s;cursor:pointer}.video-card:hover .play-button,.video-card:focus-within .play-button{opacity:1;transform:translate(-50%,-50%) scale(1)}.duration,.quality{position:absolute;bottom:12px;padding:3px 8px;border-radius:6px;background:rgba(0,0,0,.72);font-size:.72rem}.duration{right:12px}.quality{left:12px;color:var(--gold)}.video-body{padding:20px}.video-body h3{margin:0 0 8px;font-size:1.16rem}.video-body p{margin:0;color:var(--muted);font-size:.86rem}.video-meta{display:flex;justify-content:space-between;gap:10px;margin-top:14px;color:#aaa0c6;font-size:.75rem}.feature-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:stretch}.feature-art{min-height:460px;border-radius:28px;overflow:hidden;border:1px solid var(--line)}.feature-art img{width:100%;height:100%;object-fit:cover}.feature-copy{display:flex;flex-direction:column;justify-content:center}.feature-list{display:grid;gap:13px;margin:24px 0}.feature-item{padding:17px 18px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.035)}.feature-item strong{display:block;margin-bottom:4px}.feature-item span{color:var(--muted);font-size:.86rem}.expert-card{border:1px solid var(--line);border-radius:20px;padding:22px;background:rgba(255,255,255,.04)}.avatar{width:62px;height:62px;display:grid;place-items:center;border-radius:18px;background:linear-gradient(135deg,var(--plum),var(--coral));font-weight:900;font-size:1.2rem}.expert-top{display:flex;align-items:center;gap:14px}.expert-card h3{margin:0}.expert-card .role{color:var(--gold);font-size:.78rem}.expert-card p{color:var(--muted);font-size:.84rem}.verify{display:inline-flex;padding:4px 8px;border-radius:8px;background:rgba(255,215,138,.1);color:var(--gold);font-size:.68rem}.expert-links{display:flex;gap:9px;margin-top:16px}.expert-links a{font-size:.76rem;padding:8px 11px;border:1px solid var(--line);border-radius:9px}.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.partner-logo{min-height:85px;display:grid;place-items:center;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.035);color:#d8d0ef;font-size:.86rem;text-align:center;padding:10px}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:35px}.step{position:relative;padding:27px 20px;border-radius:20px;background:linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.02));border:1px solid var(--line)}.step:before{counter-increment:step;content:"0" counter(step);display:block;color:var(--coral);font-weight:900;font-size:1.6rem}.step h3{margin:18px 0 7px}.step p{margin:0;color:var(--muted);font-size:.85rem}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.review{padding:22px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035)}.stars{color:var(--gold);letter-spacing:.1em}.review blockquote{margin:15px 0;color:#eee8fb;font-size:.92rem}.review cite{font-style:normal;color:var(--muted);font-size:.75rem}.faq-list{max-width:900px;margin:auto}.faq{border-bottom:1px solid var(--line)}.faq button{width:100%;text-align:left;display:flex;justify-content:space-between;gap:20px;background:none;border:0;color:#fff;padding:22px 0;font-weight:800;cursor:pointer}.faq .answer{display:none;color:var(--muted);padding:0 0 22px}.faq.open .answer{display:block}.faq.open button span:last-child{transform:rotate(45deg)}.contact-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;background:linear-gradient(140deg,rgba(154,92,246,.16),rgba(255,102,122,.08));border:1px solid var(--line);padding:34px;border-radius:28px}.contact-list{display:grid;gap:10px;color:#ded7ef}.qr-row{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.qr-card{padding:13px;border-radius:15px;background:#fff;color:#2c2447;text-align:center;font-size:.72rem;font-weight:800}.qr-card img{width:100%;aspect-ratio:1;object-fit:contain}.notice{padding:13px 15px;border-left:3px solid var(--gold);background:rgba(255,215,138,.07);color:#d5cde7;font-size:.78rem;border-radius:0 10px 10px 0}.page-hero{padding:90px 0 70px;background:radial-gradient(circle at 80% 30%,rgba(154,92,246,.22),transparent 30%)}.breadcrumb{font-size:.78rem;color:var(--muted)}.page-hero h1{font-size:clamp(2.7rem,6vw,5rem);letter-spacing:-.055em;margin:20px 0 12px}.page-hero p{max-width:720px;color:var(--muted)}.content-card{padding:28px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.035)}.content-card h2,.content-card h3{margin-top:0}.content-card p{color:var(--muted)}.tool-demo{display:grid;grid-template-columns:260px 1fr;min-height:430px;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#161129}.tool-sidebar{padding:22px;background:#20183a}.tool-main{padding:30px}.demo-drop{min-height:230px;border:1px dashed rgba(255,215,138,.45);border-radius:18px;display:grid;place-items:center;text-align:center;padding:30px;background:rgba(255,255,255,.025)}.community-feed{display:grid;gap:15px}.feed-item{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:start;padding:18px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.03)}.feed-avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--coral),var(--plum));font-weight:900}.site-footer{padding:64px 0 26px;border-top:1px solid var(--line);background:#0a0815}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px}.footer-grid h3{font-size:.9rem}.footer-grid a,.footer-grid p{display:block;color:var(--muted);font-size:.82rem;margin:7px 0}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;border-top:1px solid var(--line);margin-top:36px;padding-top:22px;color:#8e85aa;font-size:.75rem}.share-row{display:flex;gap:8px;flex-wrap:wrap}.share-btn{border:1px solid var(--line);background:rgba(255,255,255,.04);color:#ddd6ed;border-radius:9px;padding:7px 10px;cursor:pointer;font-size:.73rem}.toast{position:fixed;right:20px;bottom:20px;z-index:50;max-width:330px;padding:14px 18px;border-radius:14px;background:#fff;color:#201832;box-shadow:var(--shadow);transform:translateY(150%);transition:.3s}.toast.show{transform:translateY(0)}.modal{position:fixed;inset:0;z-index:60;display:none;place-items:center;background:rgba(0,0,0,.76);padding:20px}.modal.open{display:grid}.modal-box{width:min(560px,100%);border:1px solid var(--line);border-radius:24px;background:var(--panel);padding:27px}.modal-close{float:right;background:none;border:0;color:#fff;font-size:1.5rem;cursor:pointer}
@media(max-width:980px){.main-nav{position:fixed;left:18px;right:18px;top:82px;display:none;flex-direction:column;align-items:stretch;padding:14px;background:#17122b;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.main-nav.open{display:flex}.menu-toggle{display:block;margin-left:auto}.nav-cta{display:none}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.review-grid{grid-template-columns:repeat(2,1fr)}.feature-panel,.contact-panel{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.logo-wall{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){:root{--container:min(100% - 24px,1180px)}.section{padding:68px 0}.topbar{display:none}.nav-row{min-height:68px}.brand span{display:none}.search-band{padding:9px 0}.hero{min-height:720px;background-image:linear-gradient(180deg,rgba(12,9,25,.45),rgba(12,9,25,.96) 58%),url('../images/hero.webp');background-position:65% center;align-items:end}.hero-content{padding:220px 0 88px}.hero h1{font-size:3.45rem}.hero-stats{gap:18px;flex-wrap:wrap}.section-head{display:block}.section-head p{margin-top:14px}.grid-4,.grid-3,.video-grid,.review-grid{grid-template-columns:1fr}.service-card{min-height:auto}.feature-art{min-height:340px}.steps{grid-template-columns:1fr}.logo-wall{grid-template-columns:repeat(2,1fr)}.qr-row{grid-template-columns:repeat(3,1fr);gap:6px}.contact-panel{padding:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.share-row{margin-top:14px}.tool-demo{grid-template-columns:1fr}.tool-sidebar{display:none}.feed-item{grid-template-columns:auto 1fr}.feed-item>span:last-child{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}