*,*::before,*::after{box-sizing:border-box;}
:root{
  --ink:#171a2c;
  --ink-2:#3d4160;
  --muted:#6a6f8c;
  --line:#e8e4da;
  --card:#ffffff;
  --violet:#6d5cff;
  --blue:#2f7cf6;
  --teal:#12bfae;
  --amber:#ff9b3d;
  --pink:#ff5c8a;
  --radius:18px;
  --shadow-sm:0 10px 24px -18px rgba(23,26,44,.55);
  --shadow-md:0 22px 46px -28px rgba(23,26,44,.65);
}
html{background-color:#fbfaf6;scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:transparent;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    radial-gradient(760px 520px at 12% -8%, rgba(109,92,255,.20), transparent 65%),
    radial-gradient(680px 500px at 92% 4%, rgba(18,191,174,.18), transparent 62%),
    radial-gradient(720px 520px at 88% 58%, rgba(255,155,61,.14), transparent 66%),
    radial-gradient(680px 520px at 6% 82%, rgba(255,92,138,.12), transparent 64%);
  background-repeat:no-repeat;
}
img{max-width:100%;}
a{color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
section[id]{scroll-margin-top:88px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(251,250,246,.9);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid rgba(23,26,44,.08);
}
.header-inner{display:flex;align-items:center;gap:14px;min-height:70px;flex-wrap:nowrap;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:auto;max-width:170px;}
.ai-page-logo{display:block;width:auto;max-height:38px;object-fit:contain;flex:0 0 auto;}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.02em;white-space:nowrap;color:var(--ink);}
.nav{display:flex;align-items:center;}
.nav-links{display:flex;align-items:center;gap:0;margin:0;padding:0;}
.nav-links a{
  display:block;
  padding:8px 11px;
  border-radius:999px;
  text-decoration:none;
  font-size:14px;
  font-weight:600;
  color:#2c3050;
  white-space:nowrap;
  transition:background-color .22s ease,color .22s ease,transform .22s ease;
}
.nav-links a:hover{background:rgba(109,92,255,.10);color:#3b3480;transform:translateY(-1px);}
.nav-cta-mobile{display:none;}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  width:42px;
  height:42px;
  padding:0;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  margin-left:auto;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.nav-toggle:hover{border-color:#cfc7ff;box-shadow:0 8px 18px -14px rgba(23,26,44,.8);}
.nav-toggle span{display:block;width:18px;height:2px;background:#262a44;border-radius:2px;margin:2.5px auto;transition:transform .26s ease,opacity .26s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
.header-cta{flex:0 0 auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease;
}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(120deg,#6d5cff,#2f7cf6 48%,#12bfae);
  color:#ffffff;
  box-shadow:0 14px 28px -14px rgba(83,72,224,.8);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(83,72,224,.9);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#ffffff;
  color:#232741;
  border-color:#e2ddcf;
  box-shadow:0 10px 22px -18px rgba(23,26,44,.8);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:#cfc7ff;color:#3b3480;}
.btn-light{background:#ffffff;color:#2a2450;box-shadow:0 14px 28px -18px rgba(0,0,0,.7);}
.btn-light:hover{transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#ffffff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}

/* ---------- 首屏 ---------- */
.hero{padding:54px 0 8px;position:relative;}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:38px;align-items:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:#4a4e68;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.05em;
  box-shadow:var(--shadow-sm);
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:linear-gradient(120deg,#6d5cff,#12bfae);}
.hero h1{margin:18px 0 16px;font-size:clamp(29px,4.6vw,46px);line-height:1.18;letter-spacing:-.02em;color:var(--ink);font-weight:800;}
.hero-lead{margin:0 0 26px;font-size:16px;color:var(--ink-2);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-panel{
  position:relative;
  overflow:hidden;
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  padding:26px;
  box-shadow:0 28px 56px -36px rgba(23,26,44,.75);
}
.hero-panel::before{
  content:"";
  position:absolute;
  top:-70px;
  right:-60px;
  width:220px;
  height:220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(109,92,255,.22),transparent 70%);
}
.hero-panel::after{
  content:"";
  position:absolute;
  bottom:-80px;
  left:-50px;
  width:200px;
  height:200px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,191,174,.20),transparent 70%);
}
.panel-title{position:relative;margin:0 0 16px;font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.panel-note{position:relative;margin:16px 0 0;font-size:12.5px;color:var(--muted);}
.model-chips{position:relative;display:flex;flex-wrap:wrap;gap:8px;}
.model-chips li{
  padding:6px 13px;
  border-radius:999px;
  background:#f5f3ed;
  border:1px solid #e7e2d4;
  font-size:13px;
  font-weight:600;
  color:#43476a;
  transition:transform .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.model-chips li:hover{transform:translateY(-2px);background:#fff;color:#3b3480;border-color:#cfc7ff;}

/* 数据指标 */
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:46px;}
.stat{
  background:rgba(255,255,255,.9);
  border:1px solid var(--line);
  border-top:3px solid transparent;
  border-radius:16px;
  padding:18px 14px;
  text-align:center;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.stat:nth-child(1){border-top-color:#6d5cff;}
.stat:nth-child(2){border-top-color:#2f7cf6;}
.stat:nth-child(3){border-top-color:#12bfae;}
.stat:nth-child(4){border-top-color:#ff9b3d;}
.stat strong{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;color:#2b2a5e;line-height:1.25;}
.stat span{display:block;margin-top:4px;font-size:13.5px;color:var(--muted);}

/* ---------- 通用区块 ---------- */
.section{padding:58px 0;position:relative;}
.section-head{max-width:780px;margin:0 auto 34px;text-align:center;}
.section-head h2{margin:14px 0 12px;font-size:clamp(23px,3.2vw,32px);line-height:1.32;letter-spacing:-.01em;color:var(--ink);font-weight:800;}
.section-head p{margin:0;color:var(--muted);font-size:15px;}
.grid{display:grid;gap:18px;}
.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));}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#dcd6c6;}
.card h3{margin:0 0 8px;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.card p{margin:0;font-size:14.5px;color:var(--muted);}

/* 服务卡片 */
.svc-grid > .card{position:relative;overflow:hidden;padding-top:26px;}
.svc-grid > .card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--c1),var(--c2));}
.svc-grid > .card:nth-child(8n+1){--c1:#6d5cff;--c2:#9a8bff;}
.svc-grid > .card:nth-child(8n+2){--c1:#2f7cf6;--c2:#6d5cff;}
.svc-grid > .card:nth-child(8n+3){--c1:#12bfae;--c2:#4fd6c5;}
.svc-grid > .card:nth-child(8n+4){--c1:#ff9b3d;--c2:#ffc46b;}
.svc-grid > .card:nth-child(8n+5){--c1:#ff5c8a;--c2:#ff9ab3;}
.svc-grid > .card:nth-child(8n+6){--c1:#12bfae;--c2:#2f7cf6;}
.svc-grid > .card:nth-child(8n+7){--c1:#6d5cff;--c2:#ff5c8a;}
.svc-grid > .card:nth-child(8n+8){--c1:#2f7cf6;--c2:#12bfae;}

/* 关于我们 */
.about-text{max-width:860px;margin:0 auto;text-align:center;}
.about-text p{font-size:15.5px;color:var(--ink-2);margin-bottom:14px;}
.feature-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:30px;}
.feature-item{
  display:flex;
  align-items:flex-start;
  gap:10px;
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px 16px;
  font-size:14.5px;
  font-weight:600;
  color:#2c3050;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.feature-item:hover{transform:translateY(-3px);border-color:#cfc7ff;box-shadow:var(--shadow-sm);}
.feature-item::before{
  content:"";
  flex:0 0 auto;
  width:8px;
  height:8px;
  margin-top:8px;
  border-radius:50%;
  background:linear-gradient(120deg,#6d5cff,#12bfae);
}

/* 制作链路 */
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;}
.flow-step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px 16px;
  text-align:center;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.flow-step .flow-idx{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:50%;
  font-size:14px;
  font-weight:800;
  color:#fff;
  background:linear-gradient(120deg,#6d5cff,#2f7cf6);
  margin-bottom:10px;
}
.flow-step:nth-child(2) .flow-idx{background:linear-gradient(120deg,#2f7cf6,#12bfae);}
.flow-step:nth-child(3) .flow-idx{background:linear-gradient(120deg,#12bfae,#4fd6c5);}
.flow-step:nth-child(4) .flow-idx{background:linear-gradient(120deg,#ff9b3d,#ffc46b);}
.flow-step:nth-child(5) .flow-idx{background:linear-gradient(120deg,#ff5c8a,#ff9ab3);}
.flow-step h3{font-size:15px;margin:0 0 6px;}
.flow-step p{font-size:13.5px;margin:0;color:var(--muted);}

/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-top:30px;}
.tag-cloud a,.tag-cloud span{
  display:inline-block;
  padding:7px 15px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:13.5px;
  font-weight:600;
  color:#4a4e68;
  text-decoration:none;
  transition:transform .22s ease,border-color .22s ease,color .22s ease,box-shadow .22s ease;
}
.tag-cloud a:hover,.tag-cloud span:hover{transform:translateY(-2px);border-color:#cfc7ff;color:#3b3480;box-shadow:var(--shadow-sm);}

/* 服务网络 */
.net-item{display:flex;gap:14px;align-items:flex-start;}
.net-mark{
  flex:0 0 auto;
  width:10px;
  height:10px;
  margin-top:9px;
  border-radius:3px;
  background:linear-gradient(120deg,#6d5cff,#12bfae);
}

/* 标准流程时间线 */
.timeline{position:relative;max-width:880px;margin:0 auto;}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;
  top:8px;
  bottom:8px;
  width:2px;
  background:linear-gradient(180deg,#6d5cff,#2f7cf6,#12bfae,#ff9b3d);
  border-radius:2px;
}
.tl-item{position:relative;padding-left:58px;margin-bottom:20px;}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;
  left:0;
  top:2px;
  width:40px;
  height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:#fff;
  border:2px solid #ded9ff;
  font-size:14px;
  font-weight:800;
  color:#4b3fd6;
  box-shadow:var(--shadow-sm);
}
.tl-body{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 20px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;}
.tl-body:hover{transform:translateX(4px);box-shadow:var(--shadow-md);}
.tl-body h3{margin:0 0 6px;font-size:16px;}
.tl-body p{margin:0;font-size:14.5px;color:var(--muted);}

/* 案例 */
.case-card{padding:0;overflow:hidden;}
.case-media{position:relative;aspect-ratio:16/10;background:#f1eee7;overflow:hidden;}
.case-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease;}
.case-card:hover .case-media img{transform:scale(1.04);}
.case-body{padding:18px 20px 22px;}
.case-body h3{margin:0 0 6px;font-size:16.5px;}
.case-body p{margin:0;font-size:14px;color:var(--muted);}
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:18px;}
.gallery-item{
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  background:#f1eee7;
  aspect-ratio:16/9;
  box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease;
}
.gallery-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.gallery-item img{width:100%;height:100%;object-fit:cover;display:block;}

/* 对比评测 */
.review-top{display:grid;grid-template-columns:minmax(0,.62fr) minmax(0,1fr);gap:20px;align-items:stretch;margin-bottom:24px;}
.score-card{
  background:linear-gradient(150deg,#241f4d,#3a2f86 55%,#1b6f8c);
  border-radius:22px;
  padding:28px 24px;
  color:#ffffff;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  box-shadow:0 26px 48px -30px rgba(36,31,77,.9);
}
.score-stars{font-size:22px;letter-spacing:4px;color:#ffd66b;line-height:1;margin-bottom:12px;}
.score-value{font-size:48px;font-weight:800;line-height:1;letter-spacing:-.02em;color:#ffffff;}
.score-value span{font-size:18px;font-weight:600;color:rgba(255,255,255,.72);margin-left:4px;}
.score-label{margin:12px 0 0;font-size:14px;color:rgba(255,255,255,.86);}
.score-note{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center;}
.score-note span{padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.14);font-size:12.5px;color:#ffffff;}
.review-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-content:center;}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow-sm);-webkit-overflow-scrolling:touch;}
.compare-table{width:100%;min-width:720px;border-collapse:collapse;font-size:14.5px;}
.compare-table thead th{
  background:#f7f5ef;
  color:#2c3050;
  font-weight:800;
  text-align:left;
  padding:15px 18px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.compare-table thead th:nth-child(2){color:#3b3480;}
.compare-table tbody td{padding:14px 18px;border-bottom:1px solid #f1eee6;color:var(--ink-2);vertical-align:top;}
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table tbody tr:hover{background:#fbfaf5;}
.compare-table tbody td:first-child{font-weight:700;color:#2c3050;white-space:nowrap;}
.compare-table tbody td:nth-child(2){color:#1f3a6b;font-weight:600;}

/* Token 比价 */
.price-card{position:relative;overflow:hidden;}
.price-card .price-tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  margin-bottom:12px;
  background:#f1eefe;
  color:#4b3fd6;
}
.price-card:nth-child(2) .price-tag{background:#e8f6f4;color:#0b7d71;}
.price-card:nth-child(3) .price-tag{background:#fff1e3;color:#a95c07;}
.price-card:nth-child(4) .price-tag{background:#ffe9f0;color:#b5305a;}
.price-card ul{margin-top:12px;display:grid;gap:8px;}
.price-card li{position:relative;padding-left:16px;font-size:14px;color:var(--muted);}
.price-card li::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:#b9b3f8;
}
.price-note{margin-top:18px;font-size:13px;color:var(--muted);text-align:center;}

/* 用户评价 */
.review-card{display:flex;flex-direction:column;gap:14px;}
.review-stars{color:#ffb02e;font-size:15px;letter-spacing:2px;line-height:1;}
.review-text{margin:0;font-size:14.5px;color:var(--ink-2);flex:1;}
.review-user{display:flex;align-items:center;gap:10px;margin-top:2px;}
.avatar{
  flex:0 0 auto;
  width:36px;
  height:36px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:800;
  color:#ffffff;
  background:linear-gradient(120deg,#6d5cff,#2f7cf6);
}
.review-card:nth-child(2) .avatar{background:linear-gradient(120deg,#2f7cf6,#12bfae);}
.review-card:nth-child(3) .avatar{background:linear-gradient(120deg,#12bfae,#4fd6c5);}
.review-card:nth-child(4) .avatar{background:linear-gradient(120deg,#ff9b3d,#ffc46b);}
.review-card:nth-child(5) .avatar{background:linear-gradient(120deg,#ff5c8a,#ff9ab3);}
.review-card:nth-child(6) .avatar{background:linear-gradient(120deg,#6d5cff,#ff5c8a);}
.review-user strong{display:block;font-size:14px;color:var(--ink);}
.review-user span{display:block;font-size:12.5px;color:var(--muted);}

/* 表单 */
.match-wrap{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:26px;align-items:start;}
.match-info h2{margin:14px 0 12px;font-size:clamp(23px,3.2vw,30px);line-height:1.3;color:var(--ink);font-weight:800;}
.match-info p{font-size:15px;color:var(--ink-2);margin-bottom:16px;}
.match-points{display:grid;gap:10px;}
.match-points li{display:flex;gap:10px;font-size:14.5px;color:#2c3050;font-weight:600;}
.match-points li::before{
  content:"";
  flex:0 0 auto;
  width:8px;
  height:8px;
  margin-top:8px;
  border-radius:50%;
  background:linear-gradient(120deg,#6d5cff,#12bfae);
}
.form-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--shadow-md);}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.field{display:flex;flex-direction:column;}
.field-full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;
  font:inherit;
  font-size:15px;
  color:var(--ink);
  background:#fbfaf6;
  border:1px solid #e2ddd0;
  border-radius:12px;
  padding:12px 14px;
  outline:none;
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#6a6f8c 50%),linear-gradient(135deg,#6a6f8c 50%,transparent 50%);background-position:calc(100% - 18px) 21px,calc(100% - 13px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:36px;}
.field textarea{min-height:112px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#8a7cff;background:#fff;box-shadow:0 0 0 4px rgba(109,92,255,.14);}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.form-actions .btn{width:100%;}
.form-tip{font-size:12.5px;color:var(--muted);line-height:1.6;}

/* 帮助中心 */
.help-card h3{display:flex;align-items:center;gap:8px;}
.help-card h3::before{
  content:"";
  flex:0 0 auto;
  width:8px;
  height:8px;
  border-radius:50%;
  background:linear-gradient(120deg,#6d5cff,#12bfae);
}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);transition:border-color .25s ease,box-shadow .25s ease;}
.faq-item:hover{border-color:#d7d0f6;}
.faq-item.is-open{border-color:#cfc7ff;box-shadow:var(--shadow-md);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:17px 20px;
  background:transparent;
  border:none;
  cursor:pointer;
  font-family:inherit;
  font-size:15.5px;
  font-weight:700;
  color:#232741;
  text-align:left;
  line-height:1.5;
}
.faq-icon{position:relative;flex:0 0 auto;width:18px;height:18px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:#5a5f7d;border-radius:2px;transition:transform .3s ease,opacity .3s ease;}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s ease;}
.faq-a-inner{overflow:hidden;}
.faq-a p{margin:0;padding:0 20px 18px;font-size:14.5px;color:var(--muted);line-height:1.75;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}

/* 百科 */
.wiki-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.wiki-item{display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:16px;padding:16px 18px;transition:transform .25s ease,box-shadow .25s ease;}
.wiki-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);}
.wiki-item h3{margin:0 0 4px;font-size:15.5px;color:#232741;}
.wiki-item p{margin:0;font-size:14px;color:var(--muted);}
.wiki-item::before{
  content:"";
  flex:0 0 auto;
  width:4px;
  align-self:stretch;
  border-radius:4px;
  background:linear-gradient(180deg,#6d5cff,#12bfae);
}

/* 资讯 */
.news-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.news-item{display:block;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfc7ff;}
.news-item h3{margin:0 0 6px;font-size:16px;color:#232741;}
.news-item p{margin:0;font-size:14px;color:var(--muted);}
.news-more{text-align:center;margin-top:22px;}

/* 联系我们 */
.contact-wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:24px;align-items:stretch;}
.contact-list{display:grid;gap:12px;}
.contact-item{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:14px;padding:14px 18px;font-size:14.5px;color:#2c3050;transition:transform .25s ease,box-shadow .25s ease;}
.contact-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.contact-item .ci-label{flex:0 0 auto;font-size:13px;font-weight:700;color:#4b3fd6;min-width:72px;}
.contact-item .ci-value{color:var(--ink-2);word-break:break-all;}
.contact-item a{text-decoration:none;color:#1f3a6b;font-weight:600;}
.contact-item a:hover{text-decoration:underline;}
.qr-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;text-align:center;box-shadow:var(--shadow-md);display:flex;flex-direction:column;justify-content:center;align-items:center;}
.qr-box{width:170px;height:170px;border-radius:14px;overflow:hidden;background:#f5f3ed;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;}
.qr-box img{width:100%;height:100%;object-fit:contain;display:block;}
.qr-card p{margin:14px 0 0;font-size:14px;color:var(--muted);}
.qr-card strong{display:block;font-size:16px;color:var(--ink);margin-bottom:4px;}

/* 加盟代理 */
.partner-band{
  position:relative;
  overflow:hidden;
  border-radius:26px;
  padding:44px 32px;
  background:linear-gradient(125deg,#241f4d,#3a2f86 52%,#1b6f8c);
  box-shadow:0 32px 60px -40px rgba(36,31,77,.95);
  text-align:center;
}
.partner-band::before{
  content:"";
  position:absolute;
  top:-90px;
  right:-70px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),transparent 70%);
}
.partner-band::after{
  content:"";
  position:absolute;
  bottom:-110px;
  left:-70px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,191,174,.28),transparent 70%);
}
.partner-band h2{position:relative;margin:0 0 12px;font-size:clamp(23px,3.2vw,30px);color:#ffffff;font-weight:800;line-height:1.32;}
.partner-band p{position:relative;margin:0 auto 22px;max-width:720px;font-size:15px;color:rgba(255,255,255,.88);}
.partner-tags{position:relative;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:26px;}
.partner-tags span{padding:7px 15px;border-radius:999px;background:rgba(255,255,255,.14);color:#ffffff;font-size:13.5px;font-weight:600;}
.partner-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}

/* 页脚 */
.site-footer{
  background:#151829;
  color:#c8cbdb;
  margin-top:56px;
  padding-top:48px;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:28px;padding-bottom:34px;}
.footer-brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand-row img{display:block;width:auto;max-height:32px;object-fit:contain;filter:brightness(1.6);}
.footer-brand-row span{font-size:16px;font-weight:800;color:#ffffff;}
.footer-desc{font-size:14px;color:#9ea3bb;line-height:1.75;margin-bottom:14px;}
.footer-site-link{display:inline-block;font-size:14px;font-weight:700;color:#a99dff;text-decoration:none;transition:color .22s ease;}
.footer-site-link:hover{color:#ffffff;text-decoration:underline;}
.footer-col h3{font-size:15px;font-weight:800;color:#ffffff;margin:0 0 14px;letter-spacing:.02em;}
.footer-list{display:grid;gap:9px;}
.footer-list a,.footer-list span{font-size:14px;color:#9ea3bb;text-decoration:none;transition:color .22s ease;}
.footer-list a:hover{color:#ffffff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0 24px;
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:#8b90a8;
  line-height:1.7;
}

/* 浮动客服 & 返回顶部 */
.fab-wrap{position:fixed;right:18px;bottom:20px;z-index:200;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.fab-panel{
  width:230px;
  background:#ffffff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px;
  box-shadow:0 26px 48px -26px rgba(23,26,44,.8);
  text-align:center;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px) scale(.97);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.fab-panel.is-open{opacity:1;visibility:visible;transform:translateY(0) scale(1);}
.fab-panel .qr-box{width:150px;height:150px;margin:0 auto;}
.fab-panel p{margin:10px 0 0;font-size:13px;color:var(--muted);line-height:1.65;}
.fab-panel strong{display:block;font-size:14px;color:var(--ink);margin-bottom:6px;}
.fab-btns{display:flex;flex-direction:column;gap:10px;align-items:flex-end;}
.fab-btn{
  width:48px;
  height:48px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#ffffff;
  color:#3b3480;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  box-shadow:0 14px 26px -16px rgba(23,26,44,.85);
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.fab-btn:hover{transform:translateY(-3px);box-shadow:0 20px 32px -18px rgba(23,26,44,.9);}
.fab-btn svg{width:22px;height:22px;display:block;}
.fab-btn-main{background:linear-gradient(120deg,#6d5cff,#2f7cf6 60%,#12bfae);color:#ffffff;border-color:transparent;}
#toTop{opacity:0;visibility:hidden;transform:translateY(8px);}
#toTop.is-visible{opacity:1;visibility:visible;transform:translateY(0);}

/* 滚动渐入 */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:960px){
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .nav{display:block;position:static;}
  .nav-links{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    background:#ffffff;
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 38px -22px rgba(23,26,44,.5);
    padding:10px 20px 18px;
    gap:0;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:12px 10px;border-radius:10px;font-size:15px;}
  .nav-cta-mobile{display:block;margin-top:10px;}
  .nav-cta-mobile .btn{width:100%;}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:28px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:34px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr));}
  .review-top{grid-template-columns:minmax(0,1fr);}
  .match-wrap{grid-template-columns:minmax(0,1fr);}
  .contact-wrap{grid-template-columns:minmax(0,1fr);}
  .wiki-grid{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:640px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:44px 0;}
  .hero{padding:36px 0 4px;}
  .hero-stats{gap:10px;}
  .stat{padding:14px 10px;}
  .stat strong{font-size:22px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:minmax(0,1fr);}
  .feature-list{grid-template-columns:minmax(0,1fr);}
  .flow{grid-template-columns:minmax(0,1fr);}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
  .review-points{grid-template-columns:minmax(0,1fr);}
  .form-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .footer-bottom{justify-content:flex-start;}
  .partner-band{padding:32px 20px;border-radius:20px;}
  .form-card{padding:20px;}
  .fab-wrap{right:12px;bottom:14px;}
  .fab-panel{width:210px;}
  .tl-item{padding-left:48px;}
  .tl-dot{width:34px;height:34px;font-size:13px;}
  .timeline::before{left:16px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}