*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:92px;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:#0f1c3f;
  background-color:#eef3ff;
  background-image:
    radial-gradient(900px 520px at 5% -8%,rgba(27,77,255,.16),transparent 62%),
    radial-gradient(820px 480px at 102% 14%,rgba(0,194,255,.14),transparent 60%),
    linear-gradient(180deg,#eef3ff 0%,#f6f9ff 46%,#e9f0ff 100%);
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:#1b4dff;text-decoration:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1180px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;}

/* ============ 通用元素 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 32px;border-radius:999px;border:1px solid transparent;
  font-size:16px;font-weight:700;text-decoration:none;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-primary{background:linear-gradient(135deg,#2f6bff,#0a2ea8);color:#fff;box-shadow:0 12px 28px rgba(20,60,200,.32);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(20,60,200,.42);}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.26);transform:translateY(-3px);}
.btn-light{background:#fff;color:#0a2ea8;box-shadow:0 12px 28px rgba(3,18,60,.3);}
.btn-light:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(3,18,60,.38);}
.btn:active{transform:translateY(0);}

.section{padding:84px 0;position:relative;}
.section.alt{background:#ffffff;border-top:1px solid #e4ecff;border-bottom:1px solid #e4ecff;}
.section-head{max-width:780px;margin:0 auto 48px;text-align:center;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:#1b4dff;background:#e6edff;padding:6px 16px;border-radius:999px;margin-bottom:16px;}
.section-head h2{font-size:32px;line-height:1.35;font-weight:800;color:#0b1f52;letter-spacing:.5px;}
.section-head p{margin-top:14px;color:#5b6b93;font-size:16px;}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;align-items:stretch;}

.card{
  background:#fff;border:1px solid #e2e9ff;border-radius:18px;padding:26px;
  box-shadow:0 8px 24px rgba(24,60,160,.06);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(24,60,160,.14);border-color:#b9ccff;}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .65s ease,transform .65s ease;}
.reveal.visible{opacity:1;transform:none;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid #dbe4ff;
  box-shadow:0 4px 18px rgba(24,60,160,.06);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px;}
.brand{display:flex;align-items:center;gap:10px;color:#0a2ea8;font-weight:800;font-size:18px;letter-spacing:.5px;flex:none;}
.ai-page-logo{height:34px;width:auto;}
.header-right{display:flex;align-items:center;gap:14px;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;}
.nav-links a{
  display:block;padding:9px 11px;font-size:14px;color:#243a6b;border-radius:8px;
  white-space:nowrap;transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#1b4dff;background:#eef3ff;}
.header-cta{
  padding:9px 20px;border-radius:999px;font-size:14px;font-weight:700;color:#fff;white-space:nowrap;
  background:linear-gradient(135deg,#2f6bff,#0a2ea8);
  box-shadow:0 8px 18px rgba(27,77,255,.28);
  transition:transform .25s ease,box-shadow .25s ease;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(27,77,255,.4);}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;border-radius:12px;
  border:1px solid #dbe4ff;background:#fff;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;position:relative;width:20px;height:2px;background:#1b4dff;border-radius:2px;transition:background .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:#1b4dff;border-radius:2px;
  transition:transform .25s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:76px 0 96px;
  color:#fff;
  background:
    radial-gradient(circle at 12% 16%,rgba(0,194,255,.34),transparent 46%),
    radial-gradient(circle at 88% 6%,rgba(120,150,255,.38),transparent 52%),
    linear-gradient(160deg,#071c5c 0%,#123bb5 46%,#1b4dff 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.hero-badge{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  padding:7px 16px;border-radius:999px;color:#d8e6ff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  margin-bottom:22px;
}
.hero h1{
  font-size:44px;line-height:1.25;font-weight:800;letter-spacing:1px;color:#fff;
}
.hero-sub{margin-top:20px;font-size:17px;color:#d3e0ff;max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.hero-tags li{
  font-size:13px;padding:6px 14px;border-radius:999px;color:#e3ecff;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
}
.hero-panel{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.28);
  border-radius:22px;padding:28px;
  box-shadow:0 24px 60px rgba(2,14,50,.35);
  animation:panelFloat 7s ease-in-out infinite;
}
@keyframes panelFloat{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-10px);}
}
.panel-title{font-size:13px;letter-spacing:2px;font-weight:700;color:#a9c6ff;}
.panel-model{margin-top:8px;font-size:15px;color:#fff;font-weight:600;line-height:1.7;}
.panel-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.panel-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:11px 14px;border-radius:12px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  font-size:14px;color:#e6eeff;
}
.panel-list b{color:#7ef0d0;font-weight:700;white-space:nowrap;}

/* ============ 数据指标 ============ */
.stats{margin-top:-52px;position:relative;z-index:5;padding-bottom:8px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.stat-card{
  background:#fff;border:1px solid #e5ecff;border-radius:16px;
  padding:22px 18px;text-align:center;
  box-shadow:0 16px 36px rgba(16,44,140,.16);
  transition:transform .3s ease,box-shadow .3s ease;
}
.stat-card:hover{transform:translateY(-5px);box-shadow:0 22px 44px rgba(16,44,140,.22);}
.stat-num{display:block;font-size:28px;font-weight:800;color:#1b4dff;line-height:1.3;}
.stat-card p{font-size:14px;color:#5b6b93;margin-top:4px;}

/* ============ 关于我们 ============ */
.about-lead{
  max-width:900px;margin:0 auto 40px;text-align:center;
  font-size:16px;color:#41527d;line-height:1.95;
}
.about-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.about-card{
  background:#fff;border:1px solid #e2e9ff;border-radius:16px;padding:24px;
  box-shadow:0 8px 22px rgba(24,60,160,.06);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.about-card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(24,60,160,.13);border-color:#b9ccff;}
.about-card h3{font-size:17px;font-weight:700;color:#0b1f52;margin-bottom:8px;}
.about-card p{font-size:14px;color:#5b6b93;line-height:1.8;}

/* ============ 服务卡片 ============ */
.svc-card{display:flex;flex-direction:column;gap:10px;}
.svc-mark{
  width:36px;height:36px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,#1b4dff,#00c2ff);position:relative;
}
.svc-mark::after{
  content:"";position:absolute;inset:10px;border-radius:3px;
  border:2px solid rgba(255,255,255,.92);
}
.svc-card h3{font-size:18px;font-weight:700;color:#0b1f52;}
.svc-card p{font-size:14px;color:#5b6b93;line-height:1.8;}
.svc-tag{
  align-self:flex-start;margin-top:auto;padding-top:6px;
  font-size:12px;font-weight:700;color:#1b4dff;background:#e8efff;
  border-radius:999px;padding:4px 12px;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:38px;}
.tag-cloud li{
  font-size:14px;color:#1b4dff;background:#fff;border:1px solid #d7e2ff;
  border-radius:999px;padding:7px 16px;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
}
.tag-cloud li:hover{transform:translateY(-3px);box-shadow:0 10px 22px rgba(27,77,255,.16);background:#f2f6ff;}

/* ============ 一站式制作 ============ */
.studio-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.studio-step{
  background:#fff;border:1px solid #e2e9ff;border-radius:16px;padding:24px;
  box-shadow:0 8px 22px rgba(24,60,160,.06);
  transition:transform .3s ease,box-shadow .3s ease;
}
.studio-step:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(24,60,160,.13);}
.step-no{
  display:inline-block;font-size:13px;font-weight:800;color:#1b4dff;
  background:#e8efff;border-radius:8px;padding:3px 10px;margin-bottom:12px;
}
.studio-step h3{font-size:17px;font-weight:700;color:#0b1f52;margin-bottom:8px;}
.studio-step p{font-size:14px;color:#5b6b93;line-height:1.8;}
.showcase{margin-top:34px;}
.showcase-item{background:#fff;border:1px solid #e2e9ff;border-radius:16px;overflow:hidden;box-shadow:0 8px 22px rgba(24,60,160,.06);transition:transform .3s ease,box-shadow .3s ease;}
.showcase-item:hover{transform:translateY(-6px);box-shadow:0 18px 38px rgba(24,60,160,.14);}
.showcase-media{aspect-ratio:16 / 10;background:linear-gradient(135deg,#e6eeff,#d8e6ff);overflow:hidden;}
.showcase-media img{width:100%;height:100%;object-fit:cover;}
.showcase-item figcaption{padding:16px 20px 20px;display:flex;flex-direction:column;gap:2px;}
.showcase-item strong{font-size:16px;color:#0b1f52;}
.showcase-item span{font-size:13px;color:#5b6b93;}

/* ============ 行业方案 ============ */
.solution-card{position:relative;padding-left:26px;}
.solution-card::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,#1b4dff,#00c2ff);
}
.solution-card h3{font-size:17px;font-weight:700;color:#0b1f52;margin-bottom:8px;}
.solution-card p{font-size:14px;color:#5b6b93;line-height:1.8;}

/* ============ 标准流程时间线 ============ */
.timeline{position:relative;max-width:880px;margin:0 auto;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#1b4dff,#00c2ff);
}
.tl-item{position:relative;padding-bottom:28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-29px;top:9px;width:12px;height:12px;border-radius:50%;
  background:#1b4dff;box-shadow:0 0 0 4px rgba(27,77,255,.18);
}
.tl-item h3{font-size:17px;font-weight:700;color:#0b1f52;margin-bottom:6px;}
.tl-item p{font-size:14px;color:#5b6b93;line-height:1.8;}

/* ============ 案例中心 ============ */
.case-card{background:#fff;border:1px solid #e2e9ff;border-radius:16px;overflow:hidden;box-shadow:0 8px 22px rgba(24,60,160,.06);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;}
.case-card:hover{transform:translateY(-6px);box-shadow:0 18px 38px rgba(24,60,160,.14);border-color:#b9ccff;}
.case-media{aspect-ratio:4 / 3;background:linear-gradient(135deg,#e6eeff,#d8e6ff);overflow:hidden;}
.case-media img{width:100%;height:100%;object-fit:cover;}
.case-body{padding:20px 22px 24px;}
.case-body h3{font-size:17px;font-weight:700;color:#0b1f52;margin-bottom:8px;}
.case-body p{font-size:14px;color:#5b6b93;line-height:1.8;}

/* ============ 对比评测 ============ */
.review-grid{display:grid;grid-template-columns:320px 1fr;gap:26px;align-items:start;}
.score-card{
  background:linear-gradient(150deg,#0a2ea8 0%,#1b4dff 62%,#00a8ff 100%);
  color:#fff;border-radius:20px;padding:34px 28px;text-align:center;
  box-shadow:0 22px 48px rgba(16,44,140,.28);
}
.score-card .score-label{font-size:13px;letter-spacing:2px;color:#c3d6ff;font-weight:700;}
.score-num{display:block;font-size:60px;font-weight:800;line-height:1.1;margin-top:10px;color:#fff;}
.score-total{font-size:16px;color:#c3d6ff;}
.score-stars{margin-top:14px;font-size:22px;letter-spacing:6px;color:#ffd166;}
.score-card p{margin-top:14px;font-size:15px;color:#dbe7ff;}
.score-card .score-btn{margin-top:22px;display:inline-flex;}

.table-wrap{
  overflow-x:auto;border-radius:16px;border:1px solid #dfe7ff;background:#fff;
  box-shadow:0 8px 24px rgba(24,60,160,.06);
}
.compare-table{width:100%;border-collapse:collapse;min-width:720px;}
.compare-table th,.compare-table td{
  padding:14px 18px;text-align:left;font-size:15px;border-bottom:1px solid #edf1ff;vertical-align:top;
}
.compare-table thead th{background:#f3f7ff;color:#0b1f52;font-weight:700;font-size:15px;}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:hover{background:#f7faff;}
.compare-table .col-key{color:#243a6b;font-weight:600;background:#fbfcff;}
.compare-table .col-ours{background:#eef4ff;color:#0a2ea8;font-weight:600;}
.compare-table .col-ours::after{content:"";}

/* ============ Token 比价 ============ */
.token-card{display:flex;flex-direction:column;gap:10px;}
.token-card h3{font-size:17px;font-weight:700;color:#0b1f52;}
.token-card p{font-size:14px;color:#5b6b93;line-height:1.8;}
.token-badge{
  display:inline-block;align-self:flex-start;margin-top:auto;
  font-size:13px;font-weight:700;color:#0a8f5b;background:#e2f8ef;
  border-radius:999px;padding:4px 14px;
}
.token-note{
  margin-top:26px;text-align:center;font-size:14px;color:#5b6b93;
  background:#fff;border:1px dashed #c7d6ff;border-radius:14px;padding:16px 20px;
}

/* ============ 服务网络 ============ */
.network-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.network-card{background:#fff;border:1px solid #e2e9ff;border-radius:16px;padding:26px 22px;box-shadow:0 8px 22px rgba(24,60,160,.06);transition:transform .3s ease,box-shadow .3s ease;}
.network-card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(24,60,160,.13);}
.network-card h3{font-size:17px;font-weight:700;color:#0b1f52;margin-bottom:8px;}
.network-card p{font-size:14px;color:#5b6b93;line-height:1.8;}

/* ============ 表单与联系 ============ */
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:26px;align-items:start;}
.form-card{background:#fff;border:1px solid #e2e9ff;border-radius:20px;padding:32px;box-shadow:0 12px 32px rgba(24,60,160,.08);}
.form-card h3{font-size:20px;font-weight:800;color:#0b1f52;margin-bottom:6px;}
.form-card .form-sub{font-size:14px;color:#5b6b93;margin-bottom:22px;}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:#243a6b;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid #d9e3ff;
  background:#f8faff;font-size:15px;color:#0f1c3f;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:124px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:#1b4dff;background:#fff;box-shadow:0 0 0 4px rgba(27,77,255,.12);
}
.form-actions{margin-top:20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.form-actions .btn{padding:13px 36px;border:0;}
.form-tip{font-size:13px;color:#8192b8;}

.contact-side{background:#fff;border:1px solid #e2e9ff;border-radius:20px;padding:30px;box-shadow:0 12px 32px rgba(24,60,160,.08);}
.contact-side h3{font-size:18px;font-weight:800;color:#0b1f52;margin-bottom:16px;}
.contact-list{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.contact-list li{display:flex;gap:10px;font-size:14px;color:#41527d;line-height:1.7;}
.contact-list li span{flex:none;color:#8192b8;min-width:64px;}
.contact-list li a{color:#1b4dff;word-break:break-all;}
.qr-box{text-align:center;padding-top:20px;border-top:1px dashed #dbe4ff;}
.qr-box img{
  width:148px;height:148px;object-fit:contain;margin:0 auto;
  border-radius:12px;border:1px solid #e2e9ff;background:#f8faff;padding:6px;
}
.qr-box p{margin-top:10px;font-size:13px;color:#5b6b93;}

/* ============ 帮助中心 ============ */
.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.help-card{background:#fff;border:1px solid #e2e9ff;border-radius:18px;padding:30px;box-shadow:0 8px 24px rgba(24,60,160,.06);}
.help-card h3{font-size:19px;font-weight:800;color:#0b1f52;margin-bottom:8px;}
.help-card > p{font-size:14px;color:#5b6b93;line-height:1.8;}
.help-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.help-tags li{font-size:13px;color:#1b4dff;background:#eef3ff;border-radius:999px;padding:6px 14px;}
.article-shortcode{
  margin-top:16px;padding:18px;border-radius:12px;background:#f6f9ff;border:1px dashed #c7d6ff;
  color:#5b6b93;font-size:14px;word-break:break-all;
}
.article-links{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.article-links a{
  display:flex;align-items:center;gap:10px;font-size:14px;color:#243a6b;
  padding:10px 14px;border-radius:10px;background:#f8faff;border:1px solid #e8eeff;
  transition:background .25s ease,transform .25s ease,color .25s ease,border-color .25s ease;
}
.article-links a::before{
  content:"";width:7px;height:7px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,#1b4dff,#00c2ff);
}
.article-links a:hover{background:#eef4ff;color:#1b4dff;transform:translateX(4px);border-color:#c7d6ff;}

/* ============ 用户评论 ============ */
.review-card{display:flex;flex-direction:column;gap:14px;}
.review-text{font-size:15px;color:#3d4f78;line-height:1.9;}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid #eef2ff;}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#1b4dff,#00c2ff);
}
.review-user strong{display:block;font-size:15px;color:#0b1f52;}
.review-user span{font-size:13px;color:#8192b8;}

/* ============ FAQ ============ */
.faq-list{max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid #e2e9ff;border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow .3s ease,border-color .3s ease;
}
.faq-item.open{border-color:#b9ccff;box-shadow:0 14px 32px rgba(24,60,160,.11);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:#0b1f52;text-align:left;line-height:1.6;
}
.faq-q:hover{color:#1b4dff;}
.faq-icon{
  position:relative;width:18px;height:18px;flex:none;border-radius:50%;
  background:#eef3ff;transition:background .25s ease,transform .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:#1b4dff;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:opacity .25s ease;}
.faq-item.open .faq-icon{background:#dbe6ff;transform:rotate(180deg);}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 22px 20px;font-size:15px;color:#5b6b93;line-height:1.9;}

/* ============ 加盟代理 ============ */
.join-card{
  border-radius:24px;padding:52px 46px;color:#fff;
  background:
    radial-gradient(circle at 88% 10%,rgba(0,194,255,.35),transparent 52%),
    linear-gradient(135deg,#0a2ea8 0%,#1b4dff 62%,#00a8ff 100%);
  box-shadow:0 26px 56px rgba(16,44,140,.3);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.join-card h2{font-size:28px;font-weight:800;line-height:1.4;color:#fff;}
.join-card p{margin-top:12px;font-size:15px;color:#d5e3ff;max-width:640px;}
.join-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.join-points li{
  font-size:13px;padding:6px 14px;border-radius:999px;color:#e6efff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
}
.join-actions{flex:none;}

/* ============ 页脚 ============ */
.site-footer{
  background-color:#081c4d;
  background-image:linear-gradient(160deg,#071847 0%,#0a2ea8 100%);
  color:#c8d7ff;
  padding:56px 0 0;
}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px;}
.footer-logo{font-size:20px;font-weight:800;color:#fff;letter-spacing:1px;}
.footer-desc{margin-top:12px;font-size:14px;color:#adc2f5;line-height:1.85;}
.footer-home{
  display:inline-block;margin-top:16px;font-size:14px;font-weight:700;color:#fff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  border-radius:999px;padding:7px 18px;transition:background .25s ease;
}
.footer-home:hover{background:rgba(255,255,255,.26);color:#fff;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col li{font-size:14px;color:#adc2f5;line-height:1.7;word-break:break-all;}
.footer-col a{font-size:14px;color:#adc2f5;transition:color .2s ease;}
.footer-col a:hover{color:#fff;}
.footer-friend{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  font-size:14px;color:#9db4ec;
}
.footer-friend a{font-size:14px;color:#c8d7ff;transition:color .2s ease;}
.footer-friend a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0 24px;font-size:13px;color:#93a9e0;text-align:center;
}

/* ============ 浮动入口 ============ */
.float-dock{position:fixed;right:20px;bottom:24px;z-index:300;display:flex;flex-direction:column;gap:12px;align-items:flex-end;}
.float-btn{
  width:52px;height:52px;border-radius:50%;border:0;cursor:pointer;
  color:#fff;font-size:13px;font-weight:700;line-height:1.2;
  background:linear-gradient(135deg,#2f6bff,#0a2ea8);
  box-shadow:0 12px 26px rgba(20,60,200,.35);
  transition:transform .25s ease,box-shadow .25s ease;
}
.float-btn:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(20,60,200,.45);}
.float-btn.top{font-size:18px;background:linear-gradient(135deg,#3d7cff,#1b4dff);}
.float-panel{
  display:none;width:230px;background:#fff;border:1px solid #e2e9ff;border-radius:16px;
  padding:18px;box-shadow:0 20px 44px rgba(16,44,140,.22);text-align:center;
}
.float-panel.open{display:block;animation:panelIn .28s ease;}
@keyframes panelIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
.float-panel img{width:130px;height:130px;object-fit:contain;margin:0 auto 10px;border-radius:10px;border:1px solid #e2e9ff;background:#f8faff;padding:5px;}
.float-panel p{font-size:13px;color:#41527d;line-height:1.8;}

/* ============ 响应式 ============ */
@media (max-width:1140px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid #dbe4ff;
    padding:10px 20px 18px;gap:2px;
    box-shadow:0 18px 30px rgba(24,60,160,.14);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 10px;font-size:15px;}
  .nav-toggle{display:flex;}
  .about-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .network-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero{padding:60px 0 88px;}
  .hero h1{font-size:34px;}
  .hero-panel{animation:none;}
  .grid-3,.studio-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .review-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .help-grid{grid-template-columns:1fr;}
  .join-card{padding:38px 30px;}
}
@media (max-width:768px){
  .section{padding:62px 0;}
  .section-head h2{font-size:25px;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats{margin-top:-40px;}
  .form-grid{grid-template-columns:1fr;}
  .form-card,.contact-side{padding:24px;}
  .hero h1{font-size:29px;}
}
@media (max-width:640px){
  .grid-3,.grid-2,.studio-grid,.about-grid,.network-grid,.footer-top{grid-template-columns:1fr;}
  .header-cta{display:none;}
  .hero-actions .btn{width:100%;}
  .hero-sub{font-size:15px;}
  .score-num{font-size:48px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .float-dock{right:14px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .hero-panel{animation:none;}
  html{scroll-behavior:auto;}
}