:root{
  --ink:#151628;
  --ink-2:#3c4260;
  --muted:#6a7191;
  --line:rgba(21,22,40,.09);
  --brand:#6b5cff;
  --cyan:#00c2d7;
  --pink:#ff6ec7;
  --grad:linear-gradient(120deg,#6b5cff 0%,#00c2d7 52%,#ff6ec7 100%);
  --radius:18px;
  --shadow-sm:0 4px 14px rgba(21,22,40,.06);
  --shadow-md:0 14px 40px rgba(21,22,40,.10);
  --shadow-lg:0 26px 70px rgba(70,60,180,.18);
}
*,
*::before,
*::after{box-sizing:border-box;}
html{background-color:#f6f7fc;scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:transparent;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.aurora{
  position:fixed;
  top:-18vh;left:-10vw;right:-10vw;bottom:-18vh;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(closest-side at 14% 12%, rgba(124,92,255,.24), transparent 72%),
    radial-gradient(closest-side at 86% 8%, rgba(0,194,215,.22), transparent 72%),
    radial-gradient(closest-side at 76% 82%, rgba(255,110,199,.16), transparent 72%),
    radial-gradient(closest-side at 18% 88%, rgba(52,211,153,.13), transparent 72%);
  animation:auroraDrift 20s ease-in-out infinite alternate;
}
@keyframes auroraDrift{
  from{transform:translate3d(0,0,0) scale(1);}
  to{transform:translate3d(0,-3%,0) scale(1.06);}
}
img{max-width:100%;}
a{color:inherit;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
section[id]{scroll-margin-top:84px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:68px;position:relative;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.ai-page-logo{height:34px;width:auto;display:block;border-radius:8px;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.5px;color:var(--ink);white-space:nowrap;}
.nav{display:flex;align-items:center;min-width:0;}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0;}
.nav-links a{
  display:block;padding:9px 10px;font-size:14.5px;color:var(--ink-2);
  text-decoration:none;white-space:nowrap;border-radius:10px;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--brand);background:rgba(107,92,255,.08);outline:none;}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0 11px;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink-2);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:600;text-decoration:none;border:1px solid transparent;
  cursor:pointer;font-family:inherit;line-height:1.2;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:linear-gradient(120deg,#6b5cff,#4b7bff 55%,#00c2d7);color:#fff;box-shadow:0 10px 24px rgba(107,92,255,.30);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(107,92,255,.38);}
.btn-ghost{background:#fff;color:var(--ink);border-color:rgba(21,22,40,.14);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{border-color:rgba(107,92,255,.5);color:#4a3fd0;transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-lg{padding:15px 30px;font-size:16px;}
.btn-block{width:100%;padding:14px;font-size:16px;}
.btn-light{background:#fff;color:#241f4d;box-shadow:0 12px 28px rgba(0,0,0,.18);}
.btn-light:hover{transform:translateY(-2px);}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-line:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}

/* ============ 通用区块 ============ */
.section{padding:76px 0;}
.section-alt{background:rgba(255,255,255,.62);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin:0 auto 44px;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:#4a3fd0;
  padding:5px 14px;border-radius:999px;
  background:rgba(107,92,255,.09);border:1px solid rgba(107,92,255,.18);
}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.32;margin:16px 0 14px;font-weight:800;letter-spacing:-.3px;color:var(--ink);}
.section-desc{font-size:15.5px;color:var(--muted);margin:0;}

/* ============ 滚动渐入 ============ */
html.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
html.js .reveal.in{opacity:1;transform:none;}

/* ============ 首屏 ============ */
.hero{position:relative;padding:66px 0 68px;overflow:hidden;}
.hero-inner{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(107,92,255,.10);border:1px solid rgba(107,92,255,.20);
  color:#4a3fd0;font-size:13px;font-weight:600;
}
.hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.2;margin:20px 0 16px;font-weight:800;letter-spacing:-.5px;color:var(--ink);}
.hero-lead{font-size:16.5px;color:var(--ink-2);margin:0 0 28px;max-width:600px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 24px;padding:0;margin:0;font-size:14px;color:var(--muted);}
.hero-points li{display:flex;align-items:center;gap:8px;}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grad);flex-shrink:0;}
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;min-height:330px;}
.halo{
  position:absolute;left:50%;top:50%;width:320px;height:320px;border-radius:50%;
  background:conic-gradient(from 0deg,#6b5cff,#00c2d7,#ff6ec7,#6b5cff);
  filter:blur(42px);opacity:.42;
  animation:haloSpin 24s linear infinite;
}
@keyframes haloSpin{
  from{transform:translate(-50%,-50%) rotate(0deg);}
  to{transform:translate(-50%,-50%) rotate(360deg);}
}
.holo-panel{
  position:relative;z-index:2;width:100%;max-width:400px;
  background:rgba(255,255,255,.9);
  border:1px solid rgba(107,92,255,.18);
  border-radius:22px;padding:22px;
  box-shadow:var(--shadow-lg);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  animation:panelFloat 7s ease-in-out infinite alternate;
}
@keyframes panelFloat{
  from{transform:translateY(0);}
  to{transform:translateY(-10px);}
}
.panel-head{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;color:var(--ink);margin-bottom:16px;}
.panel-head .dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(120deg,#6b5cff,#00c2d7);flex-shrink:0;}
.chip-grid{display:flex;flex-wrap:wrap;gap:8px;}
.chip-grid span{
  padding:6px 12px;border-radius:999px;background:#f4f5ff;
  border:1px solid rgba(107,92,255,.14);font-size:13px;color:#4a4570;font-weight:500;
}
.panel-foot{margin-top:16px;padding-top:14px;border-top:1px dashed rgba(21,22,40,.14);font-size:13.5px;color:var(--muted);}

/* ============ 指标 ============ */
.metrics{padding:0 0 8px;}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px 18px;text-align:center;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.metric strong{display:block;font-size:28px;font-weight:800;line-height:1.15;color:var(--ink);}
.metric span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);}

/* ============ 关于我们 ============ */
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.about-card{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.about-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--grad);opacity:0;transition:opacity .28s ease;}
.about-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(107,92,255,.26);}
.about-card:hover::before{opacity:1;}
.card-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(107,92,255,.10);color:#4a3fd0;font-weight:800;font-size:14px;margin-bottom:16px;
}
.about-card h3{font-size:16.5px;margin:0 0 10px;font-weight:700;color:var(--ink);}
.about-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.7;}

/* ============ 服务能力 ============ */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.service-card{
  display:flex;flex-direction:column;gap:9px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px 20px;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(0,194,215,.34);}
.service-card h3{font-size:16.5px;margin:0;font-weight:700;color:var(--ink);}
.service-card p{margin:0;font-size:13.8px;color:var(--muted);line-height:1.68;}
.model-cloud{margin-top:34px;background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow-sm);}
.model-cloud h3{margin:0 0 6px;font-size:16.5px;font-weight:700;}
.model-cloud p{margin:0 0 16px;font-size:13.5px;color:var(--muted);}
.tags{display:flex;flex-wrap:wrap;gap:9px;}
.tags span{
  padding:6px 13px;border-radius:999px;font-size:13px;color:#42405f;
  background:#f5f6ff;border:1px solid rgba(107,92,255,.14);
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.tags span:hover{transform:translateY(-2px);background:rgba(107,92,255,.12);color:#3a30b8;}

/* ============ 一站式制作 ============ */
.studio-wrap{display:grid;grid-template-columns:1.12fr .88fr;gap:26px;align-items:start;}
.media-stack{display:grid;gap:16px;}
.figure{margin:0;border-radius:18px;overflow:hidden;background:#eef0f8;border:1px solid var(--line);box-shadow:var(--shadow-sm);}
.figure img{display:block;width:100%;height:100%;object-fit:cover;}
.media-wide{aspect-ratio:16/9;}
.media-square{aspect-ratio:1/1;}
.list-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow-sm);margin-top:16px;}
.list-card h3{margin:0 0 16px;font-size:17px;font-weight:700;color:var(--ink);}
.step-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.step-list li{display:flex;gap:10px;font-size:14.2px;color:var(--ink-2);line-height:1.65;}
.step-list li::before{content:"";width:8px;height:8px;border-radius:3px;background:var(--grad);margin-top:8px;flex-shrink:0;}
.step-list strong{color:var(--ink);font-weight:700;}

/* ============ 行业方案 ============ */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.solution-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.solution-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,110,199,.32);}
.solution-card h3{font-size:16.5px;margin:0 0 10px;font-weight:700;color:var(--ink);}
.solution-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.7;}

/* ============ 服务网络 ============ */
.network-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.channel{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:20px;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease;
}
.channel:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.channel-icon{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;font-size:12px;font-weight:700;color:#4a3fd0;
  background:linear-gradient(135deg,rgba(107,92,255,.16),rgba(0,194,215,.16));
  border:1px solid rgba(107,92,255,.14);
}
.channel-body h3{margin:0 0 4px;font-size:15px;font-weight:700;color:var(--ink);}
.channel-body p{margin:0;font-size:13.5px;color:var(--muted);word-break:break-all;}
.channel-body a{color:#4a3fd0;text-decoration:none;font-size:13.5px;word-break:break-all;}
.channel-body a:hover{text-decoration:underline;}

/* ============ 标准流程 ============ */
.process-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:22px 14px;text-align:center;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step-num{
  width:34px;height:34px;border-radius:50%;margin:0 auto 12px;
  display:grid;place-items:center;font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(120deg,#6b5cff,#00c2d7);
}
.step h3{font-size:14.5px;margin:0 0 8px;font-weight:700;color:var(--ink);}
.step p{font-size:12.8px;color:var(--muted);margin:0;line-height:1.6;}

/* ============ 案例中心 ============ */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(107,92,255,.26);}
.case-media{aspect-ratio:16/10;overflow:hidden;background:#eef0f8;}
.case-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .55s ease;}
.case-card:hover .case-media img{transform:scale(1.05);}
.case-body{padding:20px 22px;}
.case-body h3{margin:0 0 8px;font-size:17px;font-weight:700;color:var(--ink);}
.case-body p{margin:0;font-size:14px;color:var(--muted);line-height:1.7;}

/* ============ 用户评论 ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.voice{
  display:flex;flex-direction:column;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease;
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.voice p{margin:0;font-size:14.2px;color:var(--ink-2);line-height:1.78;flex:1;}
.voice-author{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:14px;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#6b5cff,#00c2d7);
}
.voice-author strong{display:block;font-size:14px;color:var(--ink);font-weight:700;}
.voice-author span{font-size:12.5px;color:var(--muted);}

/* ============ 对比评测 ============ */
.rating-card{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  background:linear-gradient(120deg,rgba(107,92,255,.11),rgba(0,194,215,.10),rgba(255,110,199,.10));
  border:1px solid rgba(107,92,255,.22);border-radius:20px;
  padding:26px 30px;margin-bottom:28px;
}
.rating-card h3{margin:0 0 8px;font-size:19px;font-weight:800;color:var(--ink);}
.stars{font-size:19px;letter-spacing:3px;color:#f5a623;}
.rating-card p{margin:8px 0 0;font-size:13.8px;color:var(--ink-2);}
.rating-score{text-align:center;flex-shrink:0;}
.rating-score strong{display:block;font-size:44px;line-height:1;font-weight:800;color:#3a30b8;}
.rating-score span{display:block;margin-top:8px;font-size:13px;color:var(--muted);}
.table-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);}
table{width:100%;border-collapse:collapse;min-width:760px;font-size:14px;}
table caption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
thead th{background:#f6f6ff;font-weight:700;color:var(--ink);font-size:13.5px;white-space:nowrap;}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-2);}
tbody th{font-weight:700;color:var(--ink);white-space:nowrap;background:#fbfbff;}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:none;}
tbody tr:hover td,tbody tr:hover th{background:rgba(107,92,255,.05);}
td.hl{color:#3a30b8;font-weight:600;}

/* ============ Token 比价 ============ */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:26px;}
.token-card{
  display:flex;flex-direction:column;gap:12px;position:relative;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:28px 24px;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease;
}
.token-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.token-card.featured{border-color:rgba(107,92,255,.42);box-shadow:0 20px 50px rgba(107,92,255,.18);}
.token-card .badge{
  position:absolute;top:-12px;left:24px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;color:#fff;
  background:linear-gradient(120deg,#6b5cff,#00c2d7);
}
.token-card h3{margin:0;font-size:17px;font-weight:700;color:var(--ink);}
.token-card p{margin:0;font-size:13.8px;color:var(--muted);line-height:1.7;flex:1;}
.token-note{font-size:13px;color:var(--muted);margin:16px 0 0;text-align:center;}

/* ============ 需求匹配 / 表单 ============ */
.match-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:start;}
.match-info h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin:16px 0 14px;font-weight:800;color:var(--ink);}
.match-info p{font-size:14.8px;color:var(--muted);margin:0 0 20px;line-height:1.75;}
.match-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.match-list li{display:flex;gap:10px;font-size:14.2px;color:var(--ink-2);line-height:1.65;}
.match-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad);margin-top:8px;flex-shrink:0;}
.lead-form{
  display:grid;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:28px;box-shadow:var(--shadow-md);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:12px;
  border:1px solid rgba(21,22,40,.14);background:#fbfbff;
  font-size:14.5px;font-family:inherit;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(107,92,255,.62);
  box-shadow:0 0 0 4px rgba(107,92,255,.13);background:#fff;
}
.field textarea{resize:vertical;min-height:112px;line-height:1.65;}
.form-tip{font-size:12.5px;color:var(--muted);margin:0;text-align:center;}

/* ============ 帮助中心 ============ */
.help-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.help-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:24px 20px;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.help-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(0,194,215,.32);}
.help-card h3{margin:0 0 10px;font-size:15.5px;font-weight:700;color:var(--ink);}
.help-card p{margin:0;font-size:13.6px;color:var(--muted);line-height:1.7;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:rgba(107,92,255,.38);box-shadow:0 16px 40px rgba(107,92,255,.14);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 52px 18px 20px;font-size:15px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;
  border-right:2px solid #6b5cff;border-bottom:2px solid #6b5cff;
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-answer{padding:0 20px 20px;font-size:14.2px;color:var(--ink-2);line-height:1.78;}

/* ============ AI 百科 ============ */
.wiki-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.wiki-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:20px;box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease;
}
.wiki-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.wiki-card h3{margin:0 0 8px;font-size:15px;font-weight:700;color:var(--ink);}
.wiki-card p{margin:0;font-size:13.2px;color:var(--muted);line-height:1.65;}

/* ============ 资讯 ============ */
.news-list{display:grid;gap:14px;max-width:960px;margin:0 auto;}
.news-item{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:18px 22px;text-decoration:none;box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-item:hover{transform:translateX(4px);border-color:rgba(107,92,255,.35);box-shadow:var(--shadow-md);}
.news-item h3{margin:0;font-size:15px;font-weight:600;color:var(--ink);line-height:1.6;}
.news-item span{font-size:13px;color:#4a3fd0;white-space:nowrap;font-weight:600;}

/* ============ 加盟代理 ============ */
.partner-box{
  display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;
  background:linear-gradient(120deg,#211c47,#3a2f8f 48%,#0d5f76);
  border-radius:24px;padding:46px;color:#fff;
  box-shadow:0 30px 70px rgba(45,35,120,.28);
}
.partner-box h2{margin:0 0 14px;font-size:clamp(22px,2.8vw,30px);line-height:1.35;font-weight:800;color:#fff;}
.partner-box p{margin:0;font-size:14.8px;line-height:1.8;color:rgba(255,255,255,.86);}
.partner-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:9px;}
.partner-list li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.9);line-height:1.6;}
.partner-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:linear-gradient(120deg,#8f7dff,#33e3f5);margin-top:8px;flex-shrink:0;}
.partner-actions{display:flex;flex-direction:column;gap:14px;}

/* ============ 联系我们 ============ */
.contact-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;align-items:start;}
.contact-list{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px 24px;box-shadow:var(--shadow-sm);}
.contact-row{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:16px 0;border-bottom:1px dashed rgba(21,22,40,.12);}
.contact-row:last-child{border-bottom:none;}
.contact-row dt{font-size:14px;color:var(--muted);margin:0;flex-shrink:0;}
.contact-row dd{margin:0;font-size:14.5px;color:var(--ink);font-weight:600;text-align:right;word-break:break-all;}
.contact-row dd a{color:#4a3fd0;text-decoration:none;}
.contact-row dd a:hover{text-decoration:underline;}
.qr-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 22px;text-align:center;box-shadow:var(--shadow-sm);}
.qr-card img{width:180px;max-width:100%;height:auto;border-radius:12px;display:block;margin:0 auto 14px;background:#f5f6ff;}
.qr-card h3{margin:0 0 6px;font-size:16px;font-weight:700;color:var(--ink);}
.qr-card p{margin:0;font-size:13.2px;color:var(--muted);}

/* ============ 页脚 ============ */
.site-footer{background:#12112a;color:#c9cbe4;padding:52px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px;padding-bottom:30px;}
.footer-brand h2{margin:0 0 12px;font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px;}
.footer-brand p{margin:0;font-size:13.6px;line-height:1.8;color:#9aa0c8;max-width:360px;}
.footer-col h3{margin:0 0 14px;font-size:14.5px;font-weight:700;color:#fff;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
.footer-col a,.footer-col li{font-size:13.4px;color:#9aa0c8;text-decoration:none;line-height:1.7;transition:color .2s ease;}
.footer-col a:hover{color:#fff;}
.footer-links{
  display:flex;flex-wrap:wrap;gap:10px 20px;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.10);border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-links a{font-size:13px;color:#9aa0c8;text-decoration:none;transition:color .2s ease;}
.footer-links a:hover{color:#fff;}
.footer-bottom{padding:18px 0 22px;font-size:12.5px;color:#8a90b8;text-align:center;line-height:1.8;}

/* ============ 浮动工具 ============ */
.float-tools{position:fixed;right:18px;bottom:26px;z-index:70;display:flex;flex-direction:column;gap:10px;}
.float-btn{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);color:#4a3fd0;
  font-size:12.5px;font-weight:700;text-decoration:none;cursor:pointer;
  box-shadow:0 10px 26px rgba(21,22,40,.16);
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
}
.float-btn:hover{transform:translateY(-3px);background:linear-gradient(120deg,#6b5cff,#00c2d7);color:#fff;border-color:transparent;}
.to-top{opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .22s ease,color .22s ease;}
.to-top.show{opacity:1;visibility:visible;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    box-shadow:0 24px 44px rgba(21,22,40,.12);
    padding:10px 20px 18px;max-height:72vh;overflow-y:auto;
  }
  .nav.is-open{display:block;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{padding:13px 6px;border-bottom:1px solid rgba(21,22,40,.06);border-radius:0;font-size:15px;}
  .nav-links li:last-child a{border-bottom:none;}
  .nav-toggle{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:38px;}
  .hero-visual{min-height:280px;order:2;}
  .about-grid{grid-template-columns:repeat(2,1fr);}
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .studio-wrap{grid-template-columns:1fr;}
  .solution-grid{grid-template-columns:repeat(2,1fr);}
  .network-grid{grid-template-columns:repeat(2,1fr);}
  .process-grid{grid-template-columns:repeat(3,1fr);}
  .voice-grid{grid-template-columns:repeat(2,1fr);}
  .token-grid{grid-template-columns:1fr;}
  .wiki-grid{grid-template-columns:repeat(2,1fr);}
  .help-grid{grid-template-columns:repeat(2,1fr);}
  .match-wrap{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .partner-box{grid-template-columns:1fr;padding:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:680px){
  .section{padding:56px 0;}
  .hero{padding:44px 0 52px;}
  .section-head{margin-bottom:32px;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .about-grid{grid-template-columns:1fr;}
  .services-grid{grid-template-columns:1fr;}
  .solution-grid{grid-template-columns:1fr;}
  .network-grid{grid-template-columns:1fr;}
  .process-grid{grid-template-columns:repeat(2,1fr);}
  .case-grid{grid-template-columns:1fr;}
  .voice-grid{grid-template-columns:1fr;}
  .wiki-grid{grid-template-columns:1fr;}
  .help-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .lead-form{padding:22px;}
  .rating-card{padding:22px;}
  .rating-score strong{font-size:36px;}
  .partner-box{padding:26px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .news-item{flex-direction:column;align-items:flex-start;gap:8px;}
  .float-tools{right:12px;bottom:16px;}
  .float-btn{width:44px;height:44px;font-size:12px;}
  .contact-row{flex-direction:column;gap:6px;}
  .contact-row dd{text-align:left;}
}
@media (prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  html.js .reveal{opacity:1;transform:none;}
}