:root{
  --brand:#1f5cff;
  --brand-dark:#1240c4;
  --mint:#00c9a7;
  --orange:#ff8a3d;
  --ink:#0e1c30;
  --ink-2:#485c74;
  --line:#e3ecf9;
  --bg:#f5f8ff;
  --card:#ffffff;
  --radius:18px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:86px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 88% -8%, rgba(31,92,255,.14), transparent 62%),
    radial-gradient(760px 520px at 2% 26%, rgba(0,201,167,.11), transparent 62%),
    radial-gradient(820px 620px at 66% 104%, rgba(255,138,61,.10), transparent 62%);
  pointer-events:none;
  z-index:0;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;}
img{max-width:100%;}

.site-header,.site-main,.site-footer{position:relative;z-index:1;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex:0 0 auto;
}
.ai-page-logo{max-height:34px;width:auto;display:block;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--ink);white-space:nowrap;}
.nav-links{
  display:flex;
  align-items:center;
  gap:0;
  flex-wrap:nowrap;
}
.nav-links a{
  display:block;
  padding:8px 9px;
  font-size:13.5px;
  color:var(--ink-2);
  text-decoration:none;
  border-radius:9px;
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:var(--brand);background:#eef4ff;}
.header-cta{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:9px 18px;
  font-size:14px;
  font-weight:700;
  color:#fff;
  text-decoration:none;
  border-radius:999px;
  background:linear-gradient(135deg,#1f5cff,#0b39b8);
  box-shadow:0 8px 20px rgba(31,92,255,.28);
  transition:transform .22s ease,box-shadow .22s ease;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(31,92,255,.36);}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:38px;
  border:1px solid var(--line);
  border-radius:11px;
  background:#fff;
  cursor:pointer;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 通用区块 ---------- */
.section{padding:62px 0;}
.eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--brand-dark);
  background:#e8f0ff;
  border-radius:999px;
  padding:5px 13px;
  margin-bottom:14px;
}
.section-title{
  font-size:clamp(23px,3vw,31px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.35;
  margin-bottom:12px;
}
.section-sub{
  font-size:15.5px;
  color:var(--ink-2);
  max-width:760px;
  margin-bottom:34px;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:8px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;}
.hero-inner{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:44px;
  align-items:start;
  padding-top:56px;
  padding-bottom:48px;
}
.hero h1{
  font-size:clamp(29px,4.4vw,50px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.hero h1 .hl{color:var(--brand);}
.hero-lead{
  font-size:16px;
  color:var(--ink-2);
  max-width:600px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:13px 28px;
  font-size:15px;
  font-weight:700;
  text-decoration:none;
  border-radius:13px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,#1f5cff 0%,#0b39b8 100%);
  box-shadow:0 12px 28px rgba(31,92,255,.3);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(31,92,255,.38);}
.btn-ghost{
  color:var(--brand-dark);
  background:#fff;
  border-color:#cfdcf7;
  box-shadow:0 6px 16px rgba(20,60,140,.07);
}
.btn-ghost:hover{transform:translateY(-3px);border-color:#a9c3f4;box-shadow:0 12px 24px rgba(20,60,140,.13);}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;}
.hero-tags span{
  font-size:13px;
  color:#2a4a86;
  background:#eaf2ff;
  border:1px solid #d9e6ff;
  border-radius:999px;
  padding:5px 13px;
}
.hero-panel{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  padding:22px;
  box-shadow:0 20px 46px rgba(20,60,140,.11);
}
.hero-panel::before{
  content:"";
  position:absolute;
  inset:-1px;
  border-radius:22px;
  padding:1px;
  background:linear-gradient(135deg,rgba(31,92,255,.5),rgba(0,201,167,.45),rgba(255,138,61,.4));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  pointer-events:none;
}
.panel-head{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  font-weight:800;
  color:var(--ink);
  padding-bottom:14px;
  border-bottom:1px dashed var(--line);
}
.panel-dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 4px rgba(0,201,167,.16);
  animation:pulse 2.6s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(0,201,167,.16);}
  50%{box-shadow:0 0 0 8px rgba(0,201,167,.06);}
}
.panel-list{display:grid;gap:4px;padding:12px 0;}
.panel-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 12px;
  border-radius:12px;
  background:#f7faff;
  transition:background-color .2s ease,transform .2s ease;
}
.panel-row:hover{background:#eef4ff;transform:translateX(3px);}
.panel-row span{font-size:14px;font-weight:700;color:var(--ink);white-space:nowrap;}
.panel-row em{font-style:normal;font-size:12.5px;color:#5b7396;text-align:right;}
.panel-foot{
  margin-top:10px;
  font-size:12.5px;
  color:#5b7396;
  text-align:center;
  padding-top:12px;
  border-top:1px dashed var(--line);
  letter-spacing:.04em;
}

/* ---------- 数据指标 ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  padding-bottom:18px;
}
.stat-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px 18px;
  box-shadow:0 8px 22px rgba(20,60,140,.06);
  transition:transform .26s ease,box-shadow .26s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(20,60,140,.12);}
.stat-num{
  font-size:clamp(24px,3vw,32px);
  font-weight:800;
  color:var(--brand);
  line-height:1.2;
  letter-spacing:-.02em;
}
.stat-num small{font-size:15px;font-weight:700;color:var(--brand);margin-left:2px;}
.stat-label{font-size:13.5px;color:var(--ink-2);margin-top:4px;}

/* ---------- 关于我们 ---------- */
.about-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:36px;
  align-items:start;
}
.about-text p{color:var(--ink-2);font-size:15.5px;margin-bottom:16px;}
.about-points{display:grid;gap:14px;margin-top:22px;}
.about-point{
  display:flex;
  gap:13px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:15px 17px;
  box-shadow:0 6px 18px rgba(20,60,140,.05);
  transition:transform .25s ease,box-shadow .25s ease;
}
.about-point:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(20,60,140,.1);}
.point-mark{
  flex:0 0 auto;
  width:10px;
  height:10px;
  margin-top:8px;
  border-radius:3px;
  background:linear-gradient(135deg,#1f5cff,#00c9a7);
}
.about-point h3{font-size:15px;font-weight:800;margin-bottom:3px;}
.about-point p{font-size:13.5px;color:var(--ink-2);margin:0;}
.about-media{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:14px;
  box-shadow:0 16px 38px rgba(20,60,140,.1);
}
.about-media .img-box{
  border-radius:14px;
  overflow:hidden;
  background:#eef3fb;
  aspect-ratio:4/3;
}
.about-media img{width:100%;height:100%;object-fit:contain;display:block;}
.about-caption{
  font-size:13px;
  color:#5b7396;
  margin-top:12px;
  text-align:center;
}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:18px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 20px;
  box-shadow:0 8px 24px rgba(20,60,140,.06);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  overflow:hidden;
}
.card::after{
  content:"";
  position:absolute;
  left:20px;
  top:0;
  width:42px;
  height:3px;
  border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,#1f5cff,#00c9a7);
  opacity:.85;
}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(20,60,140,.13);border-color:#cbdcf8;}
.card h3{font-size:16px;font-weight:800;margin-bottom:8px;color:var(--ink);}
.card p{font-size:13.8px;color:var(--ink-2);line-height:1.68;}

/* ---------- 标签云 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud a,.tag-cloud span{
  display:inline-block;
  font-size:13px;
  color:#22406f;
  background:#fff;
  border:1px solid #dde8fa;
  border-radius:999px;
  padding:7px 15px;
  text-decoration:none;
  transition:transform .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.tag-cloud a:hover,.tag-cloud span:hover{
  transform:translateY(-2px);
  border-color:#a9c3f4;
  color:var(--brand-dark);
  box-shadow:0 8px 18px rgba(20,60,140,.1);
}
.tag-note{font-size:13px;color:#5b7396;margin-top:14px;}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 18px;
  box-shadow:0 8px 22px rgba(20,60,140,.06);
  transition:transform .26s ease,box-shadow .26s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(20,60,140,.12);}
.step-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:38px;
  height:38px;
  padding:0 10px;
  border-radius:11px;
  font-size:14px;
  font-weight:800;
  color:#fff;
  background:linear-gradient(135deg,#1f5cff,#0b39b8);
  margin-bottom:14px;
}
.step h3{font-size:15.5px;font-weight:800;margin-bottom:7px;}
.step p{font-size:13.5px;color:var(--ink-2);}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;
  display:grid;
  gap:0;
  padding-left:26px;
  border-left:2px dashed #cfdcf5;
}
.tl-item{position:relative;padding:0 0 26px 20px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-32px;
  top:7px;
  width:12px;
  height:12px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--brand);
  box-shadow:0 0 0 4px rgba(31,92,255,.1);
}
.tl-item h3{font-size:15.5px;font-weight:800;margin-bottom:5px;}
.tl-item p{font-size:13.8px;color:var(--ink-2);}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.case-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:14px;
  box-shadow:0 8px 24px rgba(20,60,140,.06);
  transition:transform .28s ease,box-shadow .28s ease;
}
.case-item:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(20,60,140,.13);}
.case-media{
  border-radius:13px;
  overflow:hidden;
  background:#eef3fb;
  aspect-ratio:16/10;
}
.case-item.square .case-media{aspect-ratio:1/1;}
.case-media img{width:100%;height:100%;object-fit:contain;display:block;}
.case-item figcaption{padding:14px 4px 4px;}
.case-item strong{display:block;font-size:15px;font-weight:800;margin-bottom:5px;}
.case-item span{display:block;font-size:13.2px;color:var(--ink-2);}

/* ---------- 对比评测 ---------- */
.compare-layout{
  display:grid;
  grid-template-columns:290px 1fr;
  gap:24px;
  align-items:start;
}
.score-card{
  background:linear-gradient(160deg,#ffffff 0%,#eef4ff 100%);
  border:1px solid #d9e6ff;
  border-radius:20px;
  padding:26px 22px;
  text-align:center;
  box-shadow:0 16px 36px rgba(20,60,140,.1);
}
.score-card .score-tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  color:var(--brand-dark);
  background:#dfeaff;
  border-radius:999px;
  padding:4px 13px;
  margin-bottom:14px;
}
.score-value{
  font-size:56px;
  font-weight:800;
  line-height:1;
  color:var(--brand);
  letter-spacing:-.03em;
}
.score-value small{font-size:18px;font-weight:700;color:#5b7396;margin-left:4px;}
.score-stars{
  font-size:20px;
  color:var(--orange);
  letter-spacing:4px;
  margin:12px 0 6px;
}
.score-desc{font-size:13.5px;color:var(--ink-2);line-height:1.65;}
.score-foot{
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed #cfdcf5;
  font-size:13px;
  color:#22406f;
  font-weight:700;
}
.table-scroll{
  overflow-x:auto;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 10px 26px rgba(20,60,140,.07);
  -webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:14px;}
thead th{
  background:#f1f7ff;
  color:var(--ink);
  font-weight:800;
  text-align:left;
  padding:14px 16px;
  border-bottom:1px solid #e2ecfa;
  white-space:nowrap;
}
tbody td{
  padding:13px 16px;
  border-bottom:1px solid #eef3fb;
  color:var(--ink-2);
  vertical-align:top;
}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover td{background:#fafcff;}
td.em{color:var(--brand-dark);font-weight:700;}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.price-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:24px 22px;
  box-shadow:0 10px 26px rgba(20,60,140,.07);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.price-card:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(20,60,140,.13);border-color:#c8daf8;}
.price-card.featured{
  border-color:#b9d0fb;
  background:linear-gradient(170deg,#ffffff 0%,#eff5ff 100%);
}
.price-name{font-size:16px;font-weight:800;margin-bottom:6px;}
.price-desc{font-size:13.5px;color:var(--ink-2);margin-bottom:16px;}
.price-list{display:grid;gap:9px;}
.price-list li{
  position:relative;
  padding-left:18px;
  font-size:13.6px;
  color:#3a5170;
}
.price-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:linear-gradient(135deg,#1f5cff,#00c9a7);
}
.price-note{
  margin-top:20px;
  font-size:13px;
  color:#5b7396;
  background:#eef4ff;
  border-radius:12px;
  padding:12px 16px;
}

/* ---------- 用户评论 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 20px;
  box-shadow:0 8px 24px rgba(20,60,140,.06);
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:transform .28s ease,box-shadow .28s ease;
}
.review:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(20,60,140,.13);}
.review-top{display:flex;align-items:center;gap:11px;}
.avatar{
  flex:0 0 auto;
  width:38px;
  height:38px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:800;
  color:#fff;
  background:linear-gradient(135deg,#1f5cff,#00c9a7);
}
.review-who strong{display:block;font-size:14px;font-weight:800;}
.review-who span{display:block;font-size:12.5px;color:#6b819e;}
.review p{font-size:13.8px;color:var(--ink-2);line-height:1.7;}

/* ---------- 表单 ---------- */
.form-layout{
  display:grid;
  grid-template-columns:1fr 1.15fr;
  gap:26px;
  align-items:start;
}
.form-side{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:26px 24px;
  box-shadow:0 12px 30px rgba(20,60,140,.08);
}
.form-side h3{font-size:17px;font-weight:800;margin-bottom:12px;}
.form-side p{font-size:14px;color:var(--ink-2);margin-bottom:16px;}
.form-side ul{display:grid;gap:10px;}
.form-side li{
  position:relative;
  padding-left:20px;
  font-size:13.6px;
  color:#3a5170;
}
.form-side li::before{
  content:"";
  position:absolute;
  left:0;
  top:7px;
  width:8px;
  height:8px;
  border-radius:3px;
  background:linear-gradient(135deg,#1f5cff,#00c9a7);
}
.lead-form{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:26px 24px;
  box-shadow:0 12px 30px rgba(20,60,140,.08);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:700;color:#22406f;}
.field input,.field select,.field textarea{
  width:100%;
  font-family:inherit;
  font-size:14.5px;
  color:var(--ink);
  background:#f8fbff;
  border:1px solid #dbe7f8;
  border-radius:11px;
  padding:11px 13px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:108px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:#8fb4f5;
  background:#fff;
  box-shadow:0 0 0 3px rgba(31,92,255,.13);
}
.form-submit{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
}
.form-submit button{border:none;font-family:inherit;}
.form-hint{font-size:12.8px;color:#6b819e;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:0 6px 18px rgba(20,60,140,.05);
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:#c2d7fa;box-shadow:0 14px 30px rgba(20,60,140,.1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:16px 48px 16px 18px;
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  position:relative;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";
  position:absolute;
  right:20px;
  top:50%;
  width:9px;
  height:9px;
  border-right:2px solid #7a93b5;
  border-bottom:2px solid #7a93b5;
  transform:translateY(-70%) rotate(45deg);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-item summary:hover{color:var(--brand);}
.faq-body{padding:0 18px 16px;font-size:14px;color:var(--ink-2);line-height:1.75;}

/* ---------- 百科与资讯 ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start;}
.mini-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px 18px;
  box-shadow:0 6px 18px rgba(20,60,140,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(20,60,140,.1);border-color:#cbdcf8;}
.mini-card strong{display:block;font-size:14.5px;font-weight:800;margin-bottom:5px;}
.mini-card p{font-size:13.2px;color:var(--ink-2);line-height:1.65;}
.article-list{display:grid;gap:12px;}
.article-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:15px 18px;
  text-decoration:none;
  box-shadow:0 6px 18px rgba(20,60,140,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.article-item:hover{transform:translateX(4px);border-color:#cbdcf8;box-shadow:0 12px 26px rgba(20,60,140,.1);}
.article-item span.art-title{font-size:14.5px;font-weight:700;color:var(--ink);}
.article-item span.art-more{font-size:12.8px;color:var(--brand-dark);font-weight:700;white-space:nowrap;}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start;}
.contact-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:26px 24px;
  box-shadow:0 12px 30px rgba(20,60,140,.08);
}
.contact-list{display:grid;gap:14px;}
.contact-row{
  display:flex;
  align-items:flex-start;
  gap:13px;
  padding:13px 15px;
  background:#f8fbff;
  border:1px solid #e6eefb;
  border-radius:12px;
}
.contact-row .k{
  flex:0 0 92px;
  font-size:13.5px;
  font-weight:800;
  color:#22406f;
}
.contact-row .v{font-size:13.8px;color:var(--ink-2);word-break:break-word;}
.contact-row .v a{color:var(--brand-dark);text-decoration:none;font-weight:700;}
.contact-row .v a:hover{text-decoration:underline;}
.qr-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:22px;
  text-align:center;
  box-shadow:0 12px 30px rgba(20,60,140,.08);
}
.qr-box{
  border-radius:14px;
  overflow:hidden;
  background:#f4f8ff;
  aspect-ratio:1/1;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:10px;
}
.qr-box img{width:100%;height:100%;object-fit:contain;display:block;}
.qr-card p{font-size:13.6px;color:var(--ink-2);margin-top:12px;}

/* ---------- 加盟 ---------- */
.agent-box{
  background:linear-gradient(135deg,#eef4ff 0%,#eafaf6 55%,#fff4ec 100%);
  border:1px solid #d7e6fb;
  border-radius:22px;
  padding:30px 26px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:26px;
  align-items:center;
}
.agent-box h3{font-size:21px;font-weight:800;margin-bottom:10px;}
.agent-box p{font-size:14.2px;color:#3a5170;margin-bottom:16px;}
.agent-points{display:grid;gap:10px;}
.agent-points li{
  position:relative;
  padding-left:20px;
  font-size:13.8px;
  color:#2f4a70;
}
.agent-points li::before{
  content:"";
  position:absolute;
  left:0;
  top:7px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:linear-gradient(135deg,#1f5cff,#00c9a7);
}
.agent-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#eaf1fb;
  border-top:1px solid #dbe7f8;
  color:#22406f;
  margin-top:0;
}
.footer-inner{padding:36px 20px 20px;}
.footer-main{
  display:grid;
  grid-template-columns:1fr 1.25fr;
  gap:30px;
  align-items:start;
  padding-bottom:22px;
  border-bottom:1px solid #d7e3f5;
}
.footer-brand{display:flex;flex-direction:column;gap:10px;}
.footer-brand .fb-top{display:flex;align-items:center;gap:10px;}
.footer-brand .fb-top img{max-height:30px;width:auto;display:block;}
.footer-brand strong{font-size:16px;font-weight:800;color:#0e1c30;}
.footer-brand p{font-size:13.4px;color:#3a5170;line-height:1.7;}
.footer-links h3{font-size:14.5px;font-weight:800;color:#0e1c30;margin-bottom:12px;}
.link-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.link-cloud a{
  font-size:13px;
  color:#1c3f7a;
  background:#f7fbff;
  border:1px solid #d7e3f5;
  border-radius:999px;
  padding:6px 14px;
  text-decoration:none;
  transition:transform .2s ease,color .2s ease,border-color .2s ease,background-color .2s ease;
}
.link-cloud a:hover{transform:translateY(-2px);color:#1240c4;border-color:#a9c3f4;background:#fff;}
.footer-bottom{
  padding-top:16px;
  font-size:12.8px;
  color:#4a6284;
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  align-items:center;
  justify-content:space-between;
}

/* ---------- 浮动工具 ---------- */
.float-tools{
  position:fixed;
  right:18px;
  bottom:22px;
  z-index:70;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.float-btn{
  width:50px;
  height:50px;
  border-radius:16px;
  border:1px solid #cfe0f8;
  background:#fff;
  color:var(--brand-dark);
  font-size:12.5px;
  font-weight:800;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  line-height:1.2;
  box-shadow:0 10px 24px rgba(20,60,140,.16);
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(20,60,140,.22);}
.float-service{background:linear-gradient(135deg,#1f5cff,#0b39b8);color:#fff;border-color:#0b39b8;}
.float-top{
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .26s ease,transform .26s ease,visibility .26s ease,box-shadow .22s ease;
}
.float-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.service-panel{
  position:fixed;
  right:18px;
  bottom:86px;
  width:238px;
  z-index:71;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:16px;
  box-shadow:0 22px 46px rgba(20,60,140,.2);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .26s ease,transform .26s ease,visibility .26s ease;
}
.service-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
.service-panel .sp-qr{
  aspect-ratio:1/1;
  border-radius:12px;
  overflow:hidden;
  background:#f4f8ff;
  padding:8px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.service-panel .sp-qr img{width:100%;height:100%;object-fit:contain;display:block;}
.service-panel h4{font-size:14px;font-weight:800;margin:11px 0 6px;color:var(--ink);}
.service-panel ul{display:grid;gap:5px;}
.service-panel li{font-size:12.6px;color:var(--ink-2);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .nav-links{
    display:none;
    position:absolute;
    top:100%;
    left:-20px;
    right:-20px;
    flex-direction:column;
    align-items:stretch;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(20,60,140,.12);
    padding:8px 20px 14px;
    gap:0;
    max-height:76vh;
    overflow-y:auto;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 8px;font-size:15px;border-bottom:1px solid #f0f5fc;border-radius:0;}
  .nav-links a:last-child{border-bottom:none;}
}
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:30px;padding-top:44px;padding-bottom:40px;}
  .about-grid{grid-template-columns:1fr;}
  .compare-layout{grid-template-columns:1fr;}
  .two-col{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .form-layout{grid-template-columns:1fr;}
  .agent-box{grid-template-columns:1fr;}
  .footer-main{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .review-grid{grid-template-columns:repeat(2,1fr);}
  .price-grid{grid-template-columns:1fr;}
  .case-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .section{padding:48px 0;}
  .grid-3,.grid-2,.review-grid,.case-grid,.steps,.stats{grid-template-columns:1fr;}
  .hero h1{font-size:28px;}
  .hero-lead{font-size:15px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .form-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .contact-row{flex-direction:column;gap:4px;}
  .contact-row .k{flex:none;}
  .score-value{font-size:46px;}
  .float-tools{right:12px;bottom:16px;}
  .service-panel{right:12px;bottom:80px;width:calc(100% - 24px);max-width:280px;}
}