:root{
  --ink:#0d1225;
  --ink-2:#39415c;
  --muted:#5c6580;
  --brand:#4a2ce8;
  --brand-2:#1e8bff;
  --cyan:#00cfe8;
  --pink:#ff3d94;
  --bg:#f5f7fd;
  --card:#ffffff;
  --line:rgba(18,26,52,.09);
  --shadow:0 8px 24px rgba(28,41,90,.07);
  --shadow-hover:0 18px 40px rgba(74,44,232,.15);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;background:var(--bg);}
body{
  margin:0;
  background:transparent;
  color:var(--ink-2);
  font-size:16px;
  line-height:1.7;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(720px 420px at 6% -6%,rgba(74,44,232,.16),transparent 70%),
    radial-gradient(640px 420px at 96% 2%,rgba(0,207,232,.15),transparent 70%),
    radial-gradient(760px 520px at 50% 106%,rgba(255,61,148,.09),transparent 72%);
}
img{max-width:100%;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease;}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.32;letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.2vw,46px);font-weight:800;}
h2{font-size:clamp(23px,3vw,33px);font-weight:800;}
h3{font-size:17px;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
section[id]{scroll-margin-top:88px;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;}
.section{padding:70px 0;}
.sec-head{max-width:780px;margin:0 0 34px;}
.sec-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:rgba(74,44,232,.08);
  border:1px solid rgba(74,44,232,.16);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.sec-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--cyan));}

/* 头部 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:11px 20px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.ai-page-logo{display:block;max-height:36px;width:auto;}
.brand-name{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.02em;white-space:nowrap;}
.site-nav{display:flex;align-items:center;justify-content:flex-end;gap:14px;flex:1;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;}
.nav-links a{
  display:block;padding:8px 10px;font-size:13.5px;font-weight:600;
  color:var(--ink-2);border-radius:8px;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:rgba(74,44,232,.07);}
.nav-cta{padding:10px 18px;font-size:14px;flex:none;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:40px;height:38px;padding:0 9px;border:1px solid var(--line);
  background:#fff;border-radius:10px;cursor:pointer;flex:none;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:11px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(120deg,#4a2ce8,#1e8bff 62%,#00cfe8);
  box-shadow:0 10px 26px rgba(46,80,230,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(46,80,230,.42);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  color:var(--ink);background:#fff;border-color:rgba(74,44,232,.24);
  box-shadow:0 6px 18px rgba(28,41,90,.07);
}
.btn-ghost:hover{transform:translateY(-2px);color:var(--brand);border-color:var(--brand);}

/* 首屏 */
.hero{padding:58px 0 66px;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;}
.hero-lead{margin-top:18px;font-size:16.5px;color:#4a5578;max-width:610px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:26px;font-size:14px;color:#4a5578;font-weight:600;}
.hero-points li{display:flex;align-items:center;gap:8px;}
.hero-points li::before{
  content:"";width:7px;height:7px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
}
.hero-panel{position:relative;}
.hero-panel::before{
  content:"";position:absolute;inset:-26px -14px;border-radius:28px;
  background:radial-gradient(60% 60% at 50% 42%,rgba(74,44,232,.2),transparent 72%);
  filter:blur(10px);pointer-events:none;
}
.panel-card{
  position:relative;z-index:1;background:#fff;
  border:1px solid rgba(74,44,232,.16);border-radius:20px;padding:24px;
  box-shadow:0 24px 60px rgba(46,80,230,.16);
}
.panel-head{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.05em;margin-bottom:16px;}
.panel-dot{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--cyan));box-shadow:0 0 0 4px rgba(74,44,232,.1);}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.stat{
  background:linear-gradient(160deg,#f3f5ff,#ffffff);
  border:1px solid rgba(74,44,232,.1);border-radius:13px;padding:16px;
  transition:transform .3s ease,box-shadow .3s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(74,44,232,.13);}
.stat b{display:block;font-size:23px;line-height:1.2;color:var(--ink);letter-spacing:-.02em;}
.stat span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;}
.panel-note{margin-top:16px;font-size:12.5px;color:var(--muted);padding-top:14px;border-top:1px dashed var(--line);}

/* 通用卡片 */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:24px;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(74,44,232,.22);}
.grid{display:grid;gap:20px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:start;}
.about-grid p{margin-top:14px;color:#4a5578;}
.chip-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px;}
.chip{
  font-size:13px;font-weight:600;color:#3b338f;
  background:rgba(74,44,232,.07);border:1px solid rgba(74,44,232,.15);
  padding:6px 13px;border-radius:999px;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.chip:hover{transform:translateY(-2px);background:rgba(74,44,232,.13);}
.about-media{display:grid;gap:14px;}
.media-frame{overflow:hidden;border-radius:14px;border:1px solid var(--line);background:#eef2ff;box-shadow:var(--shadow);}
.media-frame img{display:block;width:100%;height:auto;transition:transform .55s ease;}
.media-frame:hover img{transform:scale(1.04);}

/* 服务卡片 */
.service-card{display:flex;flex-direction:column;gap:11px;}
.service-card::before{
  content:"";width:36px;height:4px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
}
.service-card p{font-size:14.5px;color:#4a5578;}
.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding-top:14px;}
.mini-tag{
  font-size:12px;color:#3b338f;background:rgba(74,44,232,.07);
  border:1px solid rgba(74,44,232,.14);padding:3px 9px;border-radius:999px;
}
.model-block{margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow);}
.model-block h3{margin-bottom:16px;font-size:16px;color:var(--ink);}
.model-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.model-cloud span{
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:7px 13px;font-size:13.5px;font-weight:600;color:#39415c;
  box-shadow:0 4px 12px rgba(28,41,90,.05);
  transition:transform .25s ease,box-shadow .25s ease,color .25s ease,border-color .25s ease;
}
.model-cloud span:hover{
  transform:translateY(-2px);color:var(--brand);
  border-color:rgba(74,44,232,.3);box-shadow:0 10px 22px rgba(74,44,232,.14);
}

/* 一站式制作 */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease,var(--border-color) .3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step-num{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.05em;
  color:var(--brand);background:rgba(74,44,232,.08);
  padding:4px 10px;border-radius:8px;margin-bottom:12px;
}
.step h3{margin-bottom:8px;}
.step p{font-size:14.5px;color:#4a5578;}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px;}
.flow li{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:22px 18px;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.flow li::before{
  content:"";position:absolute;top:-1px;left:18px;width:34px;height:3px;
  border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--cyan));
}
.flow li:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.flow h3{font-size:15.5px;margin-bottom:8px;}
.flow p{font-size:14px;color:#4a5578;}

/* 案例 */
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.case-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#eef2ff;}
.case-card .thumb img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.case-card:hover .thumb img{transform:scale(1.05);}
.case-body{padding:18px 20px 22px;}
.case-body h3{font-size:16px;margin-bottom:8px;}
.case-body p{font-size:14px;color:#4a5578;}
.case-meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px;}

/* 对比评测 */
.score-card{
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;
  background:linear-gradient(135deg,#ffffff,#f2f4ff);
  border:1px solid rgba(74,44,232,.16);border-radius:20px;
  padding:26px 28px;box-shadow:0 18px 48px rgba(74,44,232,.12);margin-bottom:24px;
}
.score-main{display:flex;align-items:center;gap:18px;flex:none;}
.score-num{font-size:50px;font-weight:800;line-height:1;color:var(--brand);letter-spacing:-.03em;}
.stars{color:#ffb020;font-size:17px;letter-spacing:3px;line-height:1.2;}
.score-meta p{font-size:13.5px;color:var(--muted);margin-top:4px;}
.score-desc{flex:1;min-width:240px;font-size:14.5px;color:#4a5578;}
.table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow);
}
table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px;}
thead th{
  background:linear-gradient(120deg,#f2f4ff,#eef8ff);
  color:var(--ink);font-weight:700;font-size:14px;text-align:left;
  padding:14px 16px;border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{
  padding:14px 16px;border-bottom:1px solid rgba(18,26,52,.07);
  color:#4a5578;vertical-align:top;
}
tbody td:first-child{font-weight:700;color:var(--ink);}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:rgba(74,44,232,.035);}
.hl{color:var(--brand);font-weight:700;}

/* Token */
.token-note{
  margin-top:18px;font-size:14px;color:var(--muted);
  background:rgba(74,44,232,.05);border:1px dashed rgba(74,44,232,.2);
  border-radius:12px;padding:14px 18px;
}

/* 评论 */
.review-card{
  display:flex;flex-direction:column;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.review-card p{font-size:14.5px;color:#454e6b;}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:none;
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px;
  background:linear-gradient(135deg,#4a2ce8,#00cfe8);
}
.review-user b{display:block;font-size:14px;color:var(--ink);}
.review-user span{display:block;font-size:12.5px;color:var(--muted);}

/* AI百科 */
.wiki-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;
  box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;
}
.wiki-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.wiki-item h3{font-size:15.5px;margin-bottom:8px;color:var(--brand);}
.wiki-item p{font-size:14px;color:#4a5578;}

/* 资讯 */
.news-block{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:26px;box-shadow:var(--shadow);color:#4a5578;font-size:15px;
}
.news-block a{font-weight:700;}

/* FAQ */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:0 18px;box-shadow:var(--shadow);
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item[open]{border-color:rgba(74,44,232,.28);box-shadow:0 14px 32px rgba(74,44,232,.12);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:15.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:none;font-size:20px;font-weight:400;color:var(--brand);
  line-height:1;transition:transform .28s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 0 16px;font-size:14.5px;color:#4a5578;}

/* 加盟 */
.agent-card{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  background:linear-gradient(135deg,#ffffff,#f1f5ff);
  border:1px solid rgba(74,44,232,.16);border-radius:20px;
  padding:32px;box-shadow:0 18px 46px rgba(74,44,232,.1);
}
.agent-card > div:first-child{flex:1;min-width:280px;}
.agent-card p{margin-top:12px;font-size:15px;color:#4a5578;max-width:640px;}
.agent-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px;}
.agent-list li{
  font-size:13px;font-weight:600;color:#3b338f;
  background:#fff;border:1px solid rgba(74,44,232,.18);
  padding:6px 13px;border-radius:999px;
}
.agent-action{flex:none;}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:26px;align-items:start;}
.contact-form{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:26px;box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;}
.field.full{grid-column:1 / -1;}
label{font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:6px;}
input,select,textarea{
  width:100%;padding:12px 14px;font-size:14.5px;font-family:inherit;color:var(--ink);
  background:#fbfcff;border:1px solid rgba(18,26,52,.14);border-radius:10px;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(74,44,232,.12);
}
textarea{min-height:118px;resize:vertical;}
.form-submit{margin-top:18px;width:100%;}
.contact-aside{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:26px;box-shadow:var(--shadow);
}
.contact-aside h3{font-size:16px;margin-bottom:16px;}
.contact-list{display:grid;gap:12px;}
.contact-list li{display:flex;gap:10px;font-size:14px;align-items:baseline;}
.contact-list .k{flex:none;width:66px;color:var(--muted);font-weight:600;}
.contact-list .v{color:var(--ink);font-weight:600;word-break:break-all;}
.qr-box{margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);text-align:center;}
.qr-box img{display:block;width:150px;height:auto;margin:0 auto;border-radius:10px;border:1px solid var(--line);}
.qr-box p{margin-top:10px;font-size:13px;color:var(--muted);}

/* 页脚 */
.site-footer{background:#10162e;padding:42px 0 24px;margin-top:24px;color:#b9c3e0;}
.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;}
.footer-brand{display:flex;flex-direction:column;gap:12px;}
.footer-brand .ai-page-logo{max-height:34px;}
.footer-brand p{font-size:14px;color:#b9c3e0;}
.footer-links h3{font-size:15px;color:#ffffff;margin-bottom:12px;}
.friend-list{display:flex;flex-wrap:wrap;gap:9px 18px;}
.friend-list a{font-size:14px;color:#d7defa;font-weight:600;}
.friend-list a:hover{color:#7fe4ff;}
.footer-bottom{
  margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#9aa6c9;
}
.footer-bottom a{color:#d7defa;}
.footer-bottom a:hover{color:#7fe4ff;}

/* 浮动工具 */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:10px;}
.float-btn{
  width:52px;height:52px;border:none;border-radius:16px;cursor:pointer;
  font-size:13px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#4a2ce8,#1e8bff);
  box-shadow:0 12px 26px rgba(46,80,230,.35);
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease,visibility .25s ease;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(46,80,230,.45);}
.top-btn{
  background:#fff;color:var(--brand);border:1px solid rgba(74,44,232,.24);
  box-shadow:0 10px 24px rgba(28,41,90,.14);
  opacity:0;visibility:hidden;transform:translateY(8px);
}
.top-btn.show{opacity:1;visibility:visible;transform:none;}
.service-panel{
  position:fixed;right:18px;bottom:86px;z-index:91;width:236px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;
  box-shadow:0 22px 52px rgba(20,30,70,.22);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .26s ease,visibility .26s ease,transform .26s ease;
}
.service-panel.open{opacity:1;visibility:visible;transform:none;}
.service-panel h4{font-size:15px;color:var(--ink);margin-bottom:12px;}
.service-panel p{font-size:13.5px;color:#4a5578;margin-bottom:6px;word-break:break-all;}

/* 动画 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease;}
.reveal.in{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1080px){
  .nav-toggle{display:flex;}
  .site-nav{
    position:absolute;top:calc(100% + 8px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:12px;
    background:#fff;border:1px solid var(--line);border-radius:16px;
    padding:14px;box-shadow:0 24px 50px rgba(20,30,70,.16);
  }
  .site-nav.open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{padding:12px 14px;font-size:15px;border-radius:10px;}
  .nav-cta{width:100%;}
}
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .about-grid{grid-template-columns:1fr;gap:30px;}
  .contact-grid{grid-template-columns:1fr;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .section{padding:56px 0;}
  .hero{padding:44px 0 54px;}
}
@media (max-width:640px){
  .grid-2,.grid-3,.grid-4,.step-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .score-card{padding:22px;}
  .score-num{font-size:42px;}
  .agent-card{padding:24px;}
  .agent-action{width:100%;}
  .agent-action .btn{width:100%;}
  .section{padding:46px 0;}
  .stat-grid{grid-template-columns:1fr 1fr;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .btn,.card,.stat,.step,.flow li,.case-card,.review-card,.wiki-item,.model-cloud span,.chip{transition:none;}
}

.reveal{opacity:1;transform:none;}