*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
margin:0;
font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
color:#0f172a;line-height:1.7;-webkit-font-smoothing:antialiased;
background-color:#f6f8ff;
background-image:
radial-gradient(760px 420px at 6% -4%,rgba(47,107,255,.18),transparent 62%),
radial-gradient(720px 420px at 96% 2%,rgba(123,77,255,.16),transparent 60%),
radial-gradient(760px 460px at 50% 104%,rgba(255,122,61,.12),transparent 62%);
background-repeat:no-repeat;background-attachment:fixed;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;letter-spacing:-.01em}
h3{font-size:17px;line-height:1.45}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
section{padding:58px 0}
.band{background:rgba(255,255,255,.66);border-top:1px solid rgba(208,223,250,.9);border-bottom:1px solid rgba(208,223,250,.9)}
.section-head{max-width:760px;margin:0 auto 34px;text-align:center}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;color:#1d4ed8;background:#e7efff;border:1px solid #d3e2ff;border-radius:999px;padding:5px 14px;font-weight:700}
.section-head h2{margin:14px 0 10px}
.section-head p{color:#4a5876;font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease;white-space:nowrap}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:linear-gradient(120deg,#2f6bff,#7b4dff);color:#fff;box-shadow:0 10px 22px rgba(47,107,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(47,107,255,.42)}
.btn-ghost{background:#fff;color:#1d4ed8;border-color:#cbdaff}
.btn-ghost:hover{background:#eef4ff;transform:translateY(-2px)}
.btn-accent{background:linear-gradient(120deg,#ff7a3d,#ff4d8d);color:#fff;box-shadow:0 10px 22px rgba(255,90,110,.3)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,90,110,.4)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.card{background:#fff;border:1px solid #e6ecf7;border-radius:16px;padding:22px;box-shadow:0 6px 20px rgba(23,43,99,.06);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(23,43,99,.12);border-color:#c9daff}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}
.reveal.is-visible{opacity:1;transform:none}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid rgba(20,40,90,.08)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:68px;position:relative}
.brand{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.brand .ai-page-logo{width:42px;height:42px;object-fit:contain}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.02em;color:#132a63}
.nav-links{display:flex;align-items:center;justify-content:center;gap:0;flex:1 1 auto}
.nav-links a{display:block;padding:8px 10px;font-size:14px;color:#36445f;border-radius:9px;transition:color .2s,background .2s;white-space:nowrap}
.nav-links a:hover{color:#1d4ed8;background:#eef4ff}
.nav-cta{flex:0 0 auto}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 10px;background:#fff;border:1px solid #dbe5f8;border-radius:11px;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:#1d4ed8;border-radius:2px}

/* hero */
.hero{padding:56px 0 44px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;right:-140px;top:-120px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle at 35% 35%,rgba(47,107,255,.22),transparent 70%);pointer-events:none;animation:floaty 9s ease-in-out infinite}
.hero::after{content:"";position:absolute;left:-120px;bottom:-160px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle at 50% 50%,rgba(255,122,61,.18),transparent 70%);pointer-events:none}
@keyframes floaty{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(-16px,18px,0)}}
.hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:40px;align-items:start;position:relative;z-index:1}
.hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.22;letter-spacing:-.02em;margin:16px 0 14px;color:#0d1b3a}
.hero-lead{font-size:16px;color:#40506f;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tags li{background:rgba(255,255,255,.85);border:1px solid #dae5fb;color:#2c477e;border-radius:999px;padding:5px 14px;font-size:13px}
.hero-panel{background:linear-gradient(160deg,#ffffff,#eff5ff);border:1px solid #dde8ff;border-radius:24px;padding:22px;box-shadow:0 22px 46px rgba(35,70,160,.13)}
.panel-title{font-size:13px;font-weight:700;color:#1d4ed8;letter-spacing:.08em;margin-bottom:14px}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat{background:#fff;border:1px solid #e8eeff;border-radius:14px;padding:14px}
.stat strong{display:block;font-size:23px;color:#1d4ed8;line-height:1.3}
.stat span{font-size:12.5px;color:#5b6b8c}
.panel-foot{margin-top:16px;font-size:13px;color:#4a5876}
.panel-foot a{color:#1d4ed8;font-weight:700}
.model-marquee{margin-top:34px;overflow:hidden;border-top:1px dashed rgba(47,107,255,.28);border-bottom:1px dashed rgba(47,107,255,.28);padding:12px 0;position:relative;z-index:1}
.marquee-track{display:flex;gap:12px;width:max-content;animation:slide-x 38s linear infinite}
.marquee-track span{background:rgba(255,255,255,.9);border:1px solid #dfe8fb;color:#27406f;font-size:13px;padding:5px 13px;border-radius:999px;white-space:nowrap}
@keyframes slide-x{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.about-grid p{color:#40506f;font-size:15px;margin-bottom:14px}
.ability-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 22px}
.ability-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#2c3a55}
.ability-list li b{color:#0d1b3a;font-weight:700}
.tick{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,#2f6bff,#7b4dff);color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center;margin-top:3px}

/* services */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scene-card h3{margin-bottom:8px;color:#0d1b3a}
.scene-card p{font-size:14px;color:#4a5876}
.scene-card .tagline{display:inline-block;margin-top:12px;font-size:12px;color:#1d4ed8;background:#eef4ff;border-radius:999px;padding:3px 11px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;justify-content:center}
.tag{background:#fff;border:1px solid #dbe6fb;color:#274b9f;border-radius:999px;padding:6px 14px;font-size:13px;transition:transform .2s,background .2s,color .2s}
.tag:hover{background:linear-gradient(120deg,#2f6bff,#7b4dff);color:#fff;transform:translateY(-2px)}

/* studio & media */
.media-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.media-frame{background:linear-gradient(160deg,#eef3ff,#f9fbff);border:1px solid #e4ecfb;border-radius:14px;padding:10px;display:flex;align-items:center;justify-content:center}
.media-card h3{margin:14px 0 6px;color:#0d1b3a}
.media-card p{font-size:14px;color:#4a5876}

/* process */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.step{background:#fff;border:1px solid #e6ecf7;border-radius:16px;padding:20px;position:relative;box-shadow:0 6px 18px rgba(23,43,99,.05);transition:transform .28s,box-shadow .28s}
.step:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(23,43,99,.11)}
.step-num{font-size:13px;font-weight:800;color:#7b4dff;letter-spacing:.08em}
.step h3{font-size:15.5px;margin:6px 0 6px;color:#0d1b3a}
.step p{font-size:13.5px;color:#4a5876}

/* solutions */
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.solution-card{display:flex;gap:16px;align-items:flex-start}
.solution-icon{flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#e8f0ff,#f2ecff);color:#1d4ed8;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px}
.solution-card h3{font-size:16px;margin-bottom:6px;color:#0d1b3a}
.solution-card p{font-size:14px;color:#4a5876}

/* network */
.network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.network-card{background:#fff;border:1px solid #e6ecf7;border-radius:16px;padding:20px;box-shadow:0 6px 18px rgba(23,43,99,.05)}
.network-card h3{font-size:15px;color:#0d1b3a;margin-bottom:6px}
.network-card p{font-size:13.5px;color:#4a5876}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
.case-frame{aspect-ratio:4/3;padding:8px}
.case-frame img{width:100%;height:100%;object-fit:contain}
.case-card h3{margin:14px 0 6px;font-size:16px;color:#0d1b3a}
.case-card p{font-size:13.5px;color:#4a5876}

/* compare */
.rating{display:grid;grid-template-columns:220px 1fr;gap:26px;align-items:center;background:linear-gradient(120deg,#edf3ff,#fff6f1);border:1px solid #e0eaff;border-radius:20px;padding:26px;margin-bottom:24px}
.rating-score{text-align:center}
.rating-score strong{display:block;font-size:46px;line-height:1.1;color:#1d4ed8;font-weight:800}
.rating-score strong span{font-size:16px;color:#5b6b8c;font-weight:600}
.stars{color:#ff8a1f;font-size:17px;letter-spacing:3px;margin-top:6px}
.rating-text h3{color:#0d1b3a;margin-bottom:8px;font-size:17px}
.rating-text p{font-size:14.5px;color:#40506f}
.rating-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}
.rating-tags span{background:#fff;border:1px solid #dbe6fb;color:#274b9f;border-radius:999px;padding:4px 12px;font-size:12.5px}
.table-wrap{overflow-x:auto;background:#fff;border:1px solid #e6ecf7;border-radius:16px;box-shadow:0 8px 24px rgba(23,43,99,.07)}
table{border-collapse:collapse;width:100%;min-width:760px}
th,td{padding:13px 16px;text-align:left;font-size:14px;border-bottom:1px solid #eef2fa;vertical-align:top}
thead th{background:#f2f6ff;color:#1e3a8a;font-size:13.5px;font-weight:700;white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#f9fbff}
td.hl{color:#1d4ed8;font-weight:700}
.table-note{font-size:13px;color:#5b6b8c;margin-top:12px;text-align:center}

/* token */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.token-card h3{color:#0d1b3a;margin-bottom:8px}
.token-card p{font-size:14px;color:#4a5876}
.token-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:26px}

/* form */
.match-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:32px;align-items:start}
.match-info li{display:flex;gap:10px;font-size:14.5px;color:#2c3a55;margin-bottom:12px}
.form-card{background:#fff;border:1px solid #e3eaf8;border-radius:18px;padding:24px;box-shadow:0 14px 34px rgba(23,43,99,.09)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:700;color:#33415c}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;border:1px solid #d8e2f5;border-radius:10px;font-size:14px;font-family:inherit;color:#0f172a;background:#fbfcff;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#2f6bff;box-shadow:0 0 0 3px rgba(47,107,255,.16)}
.field textarea{resize:vertical;min-height:104px}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px}
.form-foot p{font-size:12.5px;color:#65728c}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{display:flex;flex-direction:column;gap:12px}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#2f6bff,#7b4dff);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:0 0 auto}
.review-top b{display:block;font-size:14.5px;color:#0d1b3a;line-height:1.4}
.review-top span{font-size:12.5px;color:#65728c}
.review-card p{font-size:14px;color:#40506f}
.review-stars{color:#ff8a1f;font-size:14px;letter-spacing:2px}

/* faq */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid #e6ecf7;border-radius:14px;padding:0 18px;margin-bottom:12px;transition:border-color .25s,box-shadow .25s}
.faq-item[open]{border-color:#c9daff;box-shadow:0 10px 26px rgba(23,43,99,.08)}
.faq-item summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:700;font-size:15px;color:#0d1b3a;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:#2f6bff;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item p{font-size:14px;color:#4a5876;padding-bottom:16px}

/* help & wiki & news */
.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.help-card h3{font-size:15.5px;color:#0d1b3a;margin-bottom:6px}
.help-card p{font-size:14px;color:#4a5876}
.wiki-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.wiki-card h3{font-size:15px;color:#1d4ed8;margin-bottom:6px}
.wiki-card p{font-size:13.5px;color:#4a5876}
.news-list{display:grid;gap:14px}
.news-item{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#fff;border:1px solid #e6ecf7;border-radius:14px;padding:18px 22px;transition:transform .25s,box-shadow .25s,border-color .25s}
.news-item:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(23,43,99,.1);border-color:#c9daff}
.news-item h3{font-size:15.5px;color:#0d1b3a;margin-bottom:4px}
.news-item p{font-size:13.5px;color:#65728c}
.news-item .more{flex:0 0 auto;font-size:13.5px;font-weight:700;color:#1d4ed8}
.article-slot{margin-top:16px;font-size:13px;color:#7b88a3;text-align:center}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:start}
.contact-list li{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed #e6ecf7;font-size:14.5px}
.contact-list li:last-child{border-bottom:none}
.contact-list span{color:#65728c}
.contact-list b,.contact-list a{color:#0d1b3a;font-weight:700}
.contact-card .btn{margin-top:18px}
.qr-card{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.qr-card img{width:180px;height:auto;border-radius:12px;border:1px solid #e6ecf7;padding:6px;background:#fff}
.qr-card p{font-size:14px;color:#4a5876}
.partner-card{margin-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;background:linear-gradient(120deg,#eef4ff,#fff5ef);border:1px solid #e2ebff;border-radius:20px;padding:24px}
.partner-card h3{color:#0d1b3a;font-size:18px;margin-bottom:6px}
.partner-card p{font-size:14px;color:#40506f;max-width:640px}

/* footer */
.site-footer{background:linear-gradient(150deg,#0f1b38,#16264d 55%,#101a33);color:#c7d5f2;padding:44px 0 0;margin-top:0}
.footer-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:32px;padding-bottom:28px}
.footer-brand .brand-text{color:#fff;font-size:19px}
.footer-brand p{font-size:13.5px;color:#a9bce0;margin:10px 0 16px;max-width:380px}
.footer-links h3{font-size:14px;color:#ffffff;margin-bottom:12px;letter-spacing:.04em}
.link-list{display:flex;flex-wrap:wrap;gap:10px 16px}
.link-list a{font-size:13.5px;color:#9fc0ff;transition:color .2s}
.link-list a:hover{color:#ffffff}
.footer-bottom{border-top:1px solid rgba(160,190,255,.18);padding:16px 0;text-align:center}
.footer-bottom p{font-size:13px;color:#93a7cc}

/* float dock */
.float-dock{position:fixed;right:18px;bottom:18px;z-index:130;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.dock-btn{width:52px;height:52px;border-radius:14px;border:none;background:linear-gradient(135deg,#2f6bff,#7b4dff);color:#fff;font-size:13px;font-weight:700;cursor:pointer;box-shadow:0 10px 24px rgba(47,107,255,.35);transition:transform .22s,box-shadow .22s,opacity .3s}
.dock-btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(47,107,255,.45)}
.dock-top{opacity:0;pointer-events:none;background:linear-gradient(135deg,#334a7a,#1d2c4d)}
.dock-top.show{opacity:1;pointer-events:auto}
.dock-panel{position:absolute;right:64px;bottom:0;width:216px;background:#fff;border:1px solid #e6ecf7;border-radius:16px;padding:14px;box-shadow:0 20px 44px rgba(15,23,42,.18);display:none;text-align:center}
.dock-panel.open{display:block}
.dock-panel .dock-title{font-size:14px;font-weight:800;color:#0d1b3a;margin-bottom:10px}
.dock-panel img{margin:0 auto 10px;width:160px;border-radius:10px;border:1px solid #eef2fa;padding:5px}
.dock-panel .dock-line{font-size:12.5px;color:#4a5876;line-height:1.6}

@media (max-width:1080px){
.nav-links a{padding:8px 7px;font-size:13px}
.steps{grid-template-columns:repeat(3,1fr)}
.network-grid{grid-template-columns:repeat(2,1fr)}
.wiki-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
.nav-toggle{display:flex;order:3}
.nav-cta{display:none}
.nav-links{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;background:#fff;border:1px solid #e6ecf7;border-radius:16px;padding:10px;box-shadow:0 22px 40px rgba(15,23,42,.14);margin-top:8px}
.nav-links.open{display:flex}
.nav-links a{padding:11px 12px;font-size:14.5px}
.hero-inner{grid-template-columns:1fr;gap:30px}
.about-grid{grid-template-columns:1fr}
.scene-grid{grid-template-columns:repeat(2,1fr)}
.solution-grid{grid-template-columns:1fr}
.case-grid{grid-template-columns:repeat(2,1fr)}
.token-grid{grid-template-columns:1fr}
.match-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:repeat(2,1fr)}
.contact-grid{grid-template-columns:1fr}
.footer-inner{grid-template-columns:1fr;gap:24px}
.rating{grid-template-columns:1fr;text-align:center}
.rating-tags{justify-content:center}
}
@media (max-width:680px){
section{padding:44px 0}
.hero{padding:38px 0 32px}
.media-grid{grid-template-columns:1fr}
.scene-grid{grid-template-columns:1fr}
.case-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.help-grid{grid-template-columns:1fr}
.wiki-grid{grid-template-columns:1fr}
.network-grid{grid-template-columns:1fr}
.steps{grid-template-columns:1fr}
.form-grid{grid-template-columns:1fr}
.news-item{flex-direction:column;align-items:flex-start;gap:8px}
.contact-list li{flex-direction:column;gap:2px}
.hero-actions .btn{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){
.marquee-track,.hero::before{animation:none}
.reveal{opacity:1;transform:none;transition:none}
html{scroll-behavior:auto}
}