*{margin:0;padding:0;box-sizing:border-box}
:root{
--rose:#e23a72;--rose-deep:#b9164f;--rose-soft:#ffe9f1;--rose-line:#f7c6d8;
--ink:#22141b;--ink-2:#5a4550;--ink-3:#8a7580;
--bg:#fff7fa;--card:#ffffff;--line:#f2dbe4;
--radius:18px;
}
html{scroll-behavior:smooth}
body{
background:var(--bg);
color:var(--ink);
font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
line-height:1.7;-webkit-font-smoothing:antialiased;
background-image:radial-gradient(circle at 12% 0%,rgba(226,58,114,.10),transparent 42%),radial-gradient(circle at 88% 18%,rgba(255,154,187,.14),transparent 40%);
background-attachment:fixed;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
a{color:inherit;text-decoration:none}
img{display:block}
h1,h2,h3{line-height:1.35;color:var(--ink);font-weight:800;letter-spacing:.2px}
/* HEADER */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,247,250,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ai-page-logo{max-width:132px;height:auto}
.brand-text{font-weight:800;font-size:17px;color:var(--rose-deep);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;overflow:hidden}
.nav-links a{padding:8px 13px;font-size:14px;color:var(--ink-2);border-radius:999px;transition:color .25s,background .25s;white-space:nowrap}
.nav-links a:hover{color:var(--rose-deep);background:var(--rose-soft)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:999px;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .25s,background .25s;border:none;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,#e23a72,#ff6f9c);color:#fff;padding:12px 26px;font-size:15px;box-shadow:0 10px 24px -10px rgba(226,58,114,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(226,58,114,.8)}
.btn-ghost{background:#fff;color:var(--rose-deep);border:1.5px solid var(--rose-line);padding:10px 20px;font-size:14px}
.btn-ghost:hover{background:var(--rose-soft);transform:translateY(-2px)}
.menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;width:42px;height:42px;font-size:20px;color:var(--rose-deep);cursor:pointer}
/* HERO */
.hero{position:relative;overflow:hidden;padding:76px 0 84px}
.hero::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(255,111,156,.30),transparent 68%);top:-220px;right:-140px;animation:floaty 11s ease-in-out infinite}
.hero::after{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(226,58,114,.16),transparent 70%);bottom:-180px;left:-120px;animation:floaty 14s ease-in-out infinite reverse}
@keyframes floaty{0%,100%{transform:translate(0,0)}50%{transform:translate(-18px,22px)}}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.32fr .9fr;gap:52px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--rose-line);color:var(--rose-deep);font-size:13px;font-weight:700;padding:7px 16px;border-radius:999px;margin-bottom:22px;box-shadow:0 6px 18px -12px rgba(226,58,114,.6)}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--rose);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(226,58,114,.6)}50%{opacity:.7;box-shadow:0 0 0 6px rgba(226,58,114,0)}}
.hero h1{font-size:clamp(28px,4vw,46px);letter-spacing:.5px;margin-bottom:20px}
.hero h1 span{color:var(--rose-deep);position:relative}
.hero h1 span::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:9px;background:rgba(255,111,156,.28);border-radius:5px;z-index:-1}
.hero-desc{font-size:16px;color:var(--ink-2);max-width:560px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:30px}
.hero-tags span{font-size:13px;color:var(--rose-deep);background:#fff;border:1px solid var(--rose-line);border-radius:8px;padding:5px 12px;font-weight:600}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-cta .btn-primary{padding:15px 34px;font-size:16px}
.hero-note{font-size:13px;color:var(--ink-3);margin-top:16px}
.hero-panel{background:linear-gradient(160deg,#fff,#fff0f6);border:1px solid var(--line);border-radius:26px;padding:26px;box-shadow:0 30px 60px -34px rgba(185,22,79,.45);animation:riseIn .8s ease both}
.hero-panel h3{font-size:15px;color:var(--ink-3);font-weight:700;margin-bottom:16px;letter-spacing:1px}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.stat-card strong{display:block;font-size:23px;color:var(--rose-deep);font-weight:800;line-height:1.2}
.stat-card small{font-size:12.5px;color:var(--ink-3)}
@keyframes riseIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
/* SECTIONS */
section{padding:70px 0}
.section-head{max-width:760px;margin:0 auto 44px;text-align:center}
.section-head .kicker{display:inline-block;font-size:13px;font-weight:800;color:var(--rose-deep);background:var(--rose-soft);border-radius:999px;padding:6px 16px;margin-bottom:14px;letter-spacing:1px}
.section-head h2{font-size:clamp(23px,3vw,33px);margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:15px}
.alt-bg{background:linear-gradient(180deg,rgba(255,233,241,.55),rgba(255,247,250,0))}
/* cards generic */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);transition:transform .3s,box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-5px);box-shadow:0 22px 44px -26px rgba(185,22,79,.5);border-color:var(--rose-line)}
/* about + platform */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.about-text p{color:var(--ink-2);font-size:15px;margin-bottom:16px}
.about-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}
.about-list div{background:#fff;border:1px solid var(--line);border-left:3px solid var(--rose);border-radius:10px;padding:11px 14px;font-size:14px;color:var(--ink-2);font-weight:600}
.platform-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.platform-cards .card{padding:20px}
.platform-cards h3{font-size:16px;margin-bottom:7px;color:var(--rose-deep)}
.platform-cards p{font-size:13.5px;color:var(--ink-2)}
/* data strip */
.data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.data-item{background:linear-gradient(150deg,#fff,#fff3f8);border:1px solid var(--line);border-radius:16px;padding:24px 20px;text-align:center;transition:transform .3s,box-shadow .3s}
.data-item:hover{transform:translateY(-4px);box-shadow:0 18px 38px -24px rgba(185,22,79,.5)}
.data-item strong{display:block;font-size:30px;color:var(--rose-deep);font-weight:800}
.data-item span{font-size:13.5px;color:var(--ink-3)}
/* services */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card{padding:24px;display:flex;flex-direction:column;gap:9px}
.service-card .sc-icon{width:42px;height:42px;border-radius:12px;background:var(--rose-soft);color:var(--rose-deep);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:4px}
.service-card h3{font-size:16px}
.service-card p{font-size:13.5px;color:var(--ink-2);flex:1}
.service-card .sc-tag{font-size:12px;color:var(--rose-deep);font-weight:700;background:var(--rose-soft);border-radius:6px;padding:3px 9px;align-self:flex-start}
/* models tag cloud */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tag-cloud span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 18px;font-size:13.5px;color:var(--ink-2);font-weight:600;transition:all .25s;cursor:default}
.tag-cloud span:hover{background:var(--rose-deep);color:#fff;border-color:var(--rose-deep);transform:translateY(-2px)}
/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.flow-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 22px;transition:transform .3s,box-shadow .3s}
.flow-step:hover{transform:translateY(-5px);box-shadow:0 22px 44px -26px rgba(185,22,79,.5)}
.flow-step .num{font-size:13px;font-weight:800;color:var(--rose-deep);background:var(--rose-soft);border-radius:8px;padding:4px 11px;display:inline-block;margin-bottom:12px}
.flow-step h3{font-size:16px;margin-bottom:8px}
.flow-step p{font-size:13.5px;color:var(--ink-2)}
/* compare table */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 50px -38px rgba(185,22,79,.5)}
table{width:100%;border-collapse:collapse;min-width:640px}
th,td{padding:15px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
thead th{background:linear-gradient(135deg,#ffe9f1,#fff5f9);color:var(--rose-deep);font-weight:800;font-size:14px}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fff8fb}
td .good{color:#c01f5a;font-weight:700}
.rating-badge{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#e23a72,#ff6f9c);color:#fff;border-radius:999px;padding:8px 20px;font-weight:800;font-size:14px;box-shadow:0 10px 22px -12px rgba(226,58,114,.8)}
.compare-top{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-bottom:30px}
.score-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 30px;text-align:center}
.score-box strong{font-size:32px;color:var(--rose-deep);font-weight:800;display:block;line-height:1.1}
.score-box span{font-size:13px;color:var(--ink-3)}
/* solution */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.solution-card{padding:26px 22px;background:linear-gradient(165deg,#fff,#fff5f9)}
.solution-card h3{font-size:16px;margin-bottom:10px;color:var(--rose-deep)}
.solution-card p{font-size:13.5px;color:var(--ink-2)}
/* case */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-card{overflow:hidden;padding:0}
.case-img{width:100%;aspect-ratio:16/10;overflow:hidden;background:var(--rose-soft)}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-card:hover .case-img img{transform:scale(1.05)}
.case-body{padding:18px 20px}
.case-body h3{font-size:15.5px;margin-bottom:7px}
.case-body p{font-size:13.5px;color:var(--ink-2)}
/* network */
.network{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.network-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;text-align:center;transition:transform .3s,border-color .3s}
.network-item:hover{transform:translateY(-4px);border-color:var(--rose-line)}
.network-item h3{font-size:15px;color:var(--rose-deep);margin-bottom:6px}
.network-item p{font-size:13px;color:var(--ink-3)}
/* token price */
.token-table td:first-child{font-weight:700;color:var(--ink)}
/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{padding:24px;display:flex;flex-direction:column;gap:14px}
.review-stars{color:#ff8a3d;font-size:14px;letter-spacing:2px}
.review-card blockquote{font-size:14px;color:var(--ink-2);flex:1;border:none}
.review-user{display:flex;align-items:center;gap:11px;border-top:1px dashed var(--line);padding-top:14px}
.review-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#e23a72,#ff9cbd);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex-shrink:0}
.review-user strong{display:block;font-size:14px}
.review-user small{font-size:12px;color:var(--ink-3)}
/* form */
.form-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:36px;align-items:start}
.form-info h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.form-info p{color:var(--ink-2);font-size:15px;margin-bottom:20px}
.contact-lines{display:flex;flex-direction:column;gap:12px}
.contact-lines div{font-size:14px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 16px}
.contact-lines strong{color:var(--rose-deep)}
.contact-lines img{width:118px;height:118px;object-fit:cover;border-radius:10px;margin-top:6px;border:1px solid var(--line)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:0 26px 56px -40px rgba(185,22,79,.5)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-2)}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:14px;font-family:inherit;color:var(--ink);background:#fffafc;transition:border-color .25s,box-shadow .25s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--rose);box-shadow:0 0 0 3px rgba(226,58,114,.12);background:#fff}
.field textarea{resize:vertical;min-height:96px}
.form-card .btn-primary{width:100%;margin-top:6px;padding:14px}
/* faq */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item.open{border-color:var(--rose-line);box-shadow:0 18px 38px -30px rgba(185,22,79,.5)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:18px 22px;font-size:15px;font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;font-family:inherit}
.faq-q .chev{color:var(--rose-deep);font-size:18px;transition:transform .3s;flex-shrink:0}
.faq-item.open .chev{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 22px}
.faq-item.open .faq-a{max-height:320px;padding-bottom:18px}
.faq-a p{font-size:14px;color:var(--ink-2)}
/* articles */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article-card{padding:22px;display:flex;flex-direction:column;gap:10px}
.article-card .tag{font-size:12px;font-weight:700;color:var(--rose-deep);background:var(--rose-soft);border-radius:6px;padding:3px 9px;align-self:flex-start}
.article-card h3{font-size:15.5px}
.article-card p{font-size:13.5px;color:var(--ink-2);flex:1}
.article-card a{font-size:13.5px;color:var(--rose-deep);font-weight:700}
.article-card a:hover{text-decoration:underline}
/* friend links */
.links-block{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.links-block a{font-size:13.5px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;transition:all .25s}
.links-block a:hover{color:#fff;background:var(--rose-deep);border-color:var(--rose-deep)}
/* footer */
.site-footer{background:#241019;color:#f6dfe8;padding:52px 0 26px;margin-top:16px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .ai-page-logo{max-width:130px;filter:brightness(1.2);margin-bottom:14px}
.footer-brand p{font-size:13.5px;color:#e0c3d0;line-height:1.8;max-width:340px}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:14px;font-weight:800;letter-spacing:1px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-col a,.footer-col li{font-size:13.5px;color:#dcbccb}
.footer-col a:hover{color:#ff9cbd}
.copyright{padding-top:22px;text-align:center;font-size:13px;color:#c9a7b7}
/* back to top + float */
.float-wrap{position:fixed;right:20px;bottom:26px;z-index:200;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.float-btn{width:48px;height:48px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:#fff;background:linear-gradient(135deg,#e23a72,#ff6f9c);box-shadow:0 12px 26px -10px rgba(226,58,114,.8);transition:transform .25s,box-shadow .25s;font-family:inherit}
.float-btn:hover{transform:translateY(-3px)}
.float-btn.ghost{background:#fff;color:var(--rose-deep);border:1px solid var(--rose-line)}
.kefu-panel{position:fixed;right:20px;bottom:140px;z-index:200;width:212px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 26px 56px -26px rgba(185,22,79,.55);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s}
.kefu-panel.show{opacity:1;visibility:visible;transform:translateY(0)}
.kefu-panel h3{font-size:14px;margin-bottom:10px;color:var(--rose-deep)}
.kefu-panel img{width:100%;border-radius:10px;margin-bottom:10px}
.kefu-panel p{font-size:12.5px;color:var(--ink-2);line-height:1.8}
/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}
/* responsive */
@media(max-width:1024px){
.hero-inner{grid-template-columns:1fr;gap:36px}
.hero-panel{max-width:520px}
.about-grid,.form-wrap{grid-template-columns:1fr;gap:28px}
.service-grid,.solution-grid,.case-grid,.review-grid,.article-grid{grid-template-columns:repeat(2,1fr)}
.flow,.data-strip,.network{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
.menu-toggle{display:flex;align-items:center;justify-content:center}
.nav-links{position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:10px 16px 18px;border-bottom:1px solid var(--line);box-shadow:0 20px 30px -24px rgba(185,22,79,.5);display:none;max-height:calc(100vh - 68px);overflow-y:auto}
.nav-links.open{display:flex}
.nav-links a{padding:11px 8px;border-radius:8px}
.header-inner{position:relative;flex-wrap:wrap}
.nav-actions .btn-ghost{display:none}
}
@media(max-width:640px){
.container{padding:0 16px}
.hero{padding:52px 0 60px}
section{padding:52px 0}
.stat-grid{grid-template-columns:1fr 1fr}
.service-grid,.solution-grid,.case-grid,.review-grid,.article-grid,.flow,.data-strip,.network,.platform-cards,.about-list{grid-template-columns:1fr}
.form-row{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr;gap:26px}
.hero-cta{flex-direction:column;align-items:stretch}
.hero-cta .btn{width:100%}
.float-wrap{right:14px;bottom:18px}
.kefu-panel{right:14px;width:calc(100% - 28px);max-width:240px;bottom:130px}
.nav-actions .btn-primary{padding:9px 16px;font-size:13px}
}