*{box-sizing:border-box;}
html{scroll-behavior:smooth;background:#f4f8ff;}
body{
  position:relative;
  z-index:0;
  margin:0;
  background:#f4f8ff;
  color:#0f1b34;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 6% -6%, rgba(59,91,253,.16), transparent 62%),
    radial-gradient(760px 480px at 98% 6%, rgba(0,191,166,.15), transparent 62%),
    radial-gradient(720px 520px at 50% 104%, rgba(255,122,61,.10), transparent 66%),
    linear-gradient(180deg,#f8fbff 0%,#edf3ff 55%,#f8fbff 100%);
}
img{max-width:100%;height:auto;display:block;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
a{color:inherit;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
section[id]{scroll-margin-top:92px;}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);
  border-bottom:1px solid #e2e9f8;
}
.nav-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  min-height:70px;
  position:relative;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#0f1b34;flex-shrink:0;}
.ai-page-logo{max-height:38px;width:auto;flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.5px;}
.brand-sub{font-size:11px;font-weight:500;letter-spacing:1.6px;color:#5d6b88;}
.nav-links{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:0;
  flex-wrap:nowrap;
}
.nav-links a{
  display:block;
  padding:9px 10px;
  font-size:14px;
  color:#33415c;
  text-decoration:none;
  border-radius:8px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#3b5bfd;background:rgba(59,91,253,.08);}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border:1px solid #e2e9f8;
  border-radius:10px;
  background:#fff;
  color:#0f1b34;
  cursor:pointer;
  padding:0;
}
.nav-toggle svg{width:20px;height:20px;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:10px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#3b5bfd,#6a4bff);
  color:#fff;
  box-shadow:0 10px 24px rgba(59,91,253,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(59,91,253,.34);}
.btn-ghost{background:#fff;color:#0f1b34;border-color:#dbe4f7;}
.btn-ghost:hover{transform:translateY(-2px);border-color:#3b5bfd;color:#3b5bfd;box-shadow:0 12px 26px rgba(28,54,120,.12);}
.btn-soft{background:rgba(59,91,253,.09);color:#3b5bfd;}
.btn-soft:hover{background:rgba(59,91,253,.15);transform:translateY(-2px);}
.btn:active{transform:translateY(0);}

/* 通用标题 */
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:2px;
  color:#3b5bfd;
  background:rgba(59,91,253,.09);
  padding:5px 13px;
  border-radius:999px;
}
.section{padding:74px 0;}
.section-head{max-width:760px;margin:0 auto 44px;text-align:center;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.32;
  font-weight:800;
  color:#0b1730;
  margin:14px 0 14px;
  letter-spacing:-.3px;
}
.section-head p{color:#54648a;font-size:16px;}

/* Hero */
.hero{padding:62px 0 46px;}
.hero-grid{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:48px;
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.8px;
  color:#0b1730;
  margin:16px 0 18px;
}
.hero-copy h1 em{font-style:normal;color:#3b5bfd;}
.hero-lead{
  font-size:16.5px;
  color:#4b5b7e;
  max-width:36em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{
  list-style:none;
  padding:0;
  margin:26px 0 0;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  font-size:14px;
  color:#4a5a7a;
}
.hero-points li{position:relative;padding-left:18px;}
.hero-points li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:8px;height:8px;
  border-radius:50%;
  background:linear-gradient(135deg,#3b5bfd,#00bfa6);
}
.hero-panel{position:relative;animation:rise .8s ease .14s both;}
.hero-panel::before{
  content:"";
  position:absolute;
  width:240px;height:240px;
  right:-36px;top:-46px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(59,91,253,.22),transparent 68%);
  filter:blur(8px);
  z-index:0;
}
.panel{
  position:relative;
  z-index:1;
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:20px;
  padding:24px;
  box-shadow:0 26px 60px rgba(28,54,120,.13);
  animation:floaty 7s ease-in-out infinite;
}
.panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.panel-badge{
  font-size:12px;
  font-weight:700;
  letter-spacing:1.4px;
  color:#008d7c;
  background:rgba(0,191,166,.12);
  padding:4px 11px;
  border-radius:999px;
}
.panel-count{font-size:12px;color:#5d6b88;font-weight:600;}
.panel-title{font-size:18px;font-weight:800;margin:16px 0 14px;color:#0b1730;}
.panel-tags{display:flex;flex-wrap:wrap;gap:8px;}
.panel-tags span{
  font-size:13px;
  color:#33415c;
  background:#f2f6ff;
  border:1px solid #e2e9f8;
  border-radius:8px;
  padding:5px 10px;
}
.panel-list{list-style:none;padding:16px 0 0;margin:16px 0 0;border-top:1px dashed #e4ebf9;}
.panel-list li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:8px 0;
  font-size:13.5px;
  color:#5d6b88;
}
.panel-list strong{color:#0f1b34;font-weight:700;text-align:right;}

/* 数据指标 */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:46px;
}
.metric{
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:16px;
  padding:20px 18px;
  text-align:center;
  box-shadow:0 6px 18px rgba(28,54,120,.05);
  transition:transform .25s ease,box-shadow .25s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(28,54,120,.11);}
.metric strong{
  display:block;
  font-size:clamp(22px,2.6vw,28px);
  font-weight:800;
  color:#3b5bfd;
  letter-spacing:-.5px;
}
.metric span{display:block;font-size:13.5px;color:#54648a;margin-top:4px;}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;}
.about-copy h2{font-size:clamp(23px,2.8vw,32px);line-height:1.34;font-weight:800;color:#0b1730;margin:14px 0 16px;}
.about-copy p{color:#4b5b7e;font-size:15.5px;margin-bottom:14px;}
.about-copy .btn{margin-top:10px;}
.cap-list{display:grid;gap:12px;}
.cap-item{
  background:#fff;
  border:1px solid #e2e9f8;
  border-left:3px solid #3b5bfd;
  border-radius:12px;
  padding:14px 18px;
  box-shadow:0 5px 16px rgba(28,54,120,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cap-item:nth-child(even){border-left-color:#00bfa6;}
.cap-item:hover{transform:translateX(4px);box-shadow:0 12px 26px rgba(28,54,120,.09);}
.cap-item h3{font-size:15px;font-weight:700;margin-bottom:3px;}
.cap-item p{font-size:13.5px;color:#5d6b88;line-height:1.65;}

/* 卡片网格 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;align-items:stretch;}

.svc-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:16px;
  padding:22px;
  box-shadow:0 6px 18px rgba(28,54,120,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(28,54,120,.12);border-color:#c9d8ff;}
.svc-ico{
  width:40px;height:40px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(59,91,253,.14),rgba(0,191,166,.14));
}
.svc-ico::before{
  content:"";
  width:15px;height:15px;
  border-radius:5px;
  background:linear-gradient(135deg,#3b5bfd,#00bfa6);
  transform:rotate(45deg);
}
.svc-card h3{font-size:16.5px;font-weight:700;color:#0b1730;margin-top:2px;}
.svc-card p{font-size:14px;color:#5d6b88;line-height:1.7;}

/* 一站式制作 */
.studio-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center;}
.studio-copy h2{font-size:clamp(23px,2.8vw,32px);line-height:1.34;font-weight:800;color:#0b1730;margin:14px 0 16px;}
.studio-copy p{color:#4b5b7e;font-size:15.5px;margin-bottom:18px;}
.studio-list{list-style:none;padding:0;display:grid;gap:10px;margin-bottom:24px;}
.studio-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14.5px;
  color:#33415c;
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:10px;
  padding:11px 15px;
  transition:border-color .2s ease,transform .2s ease;
}
.studio-list li:hover{border-color:#c9d8ff;transform:translateX(3px);}
.studio-list b{color:#3b5bfd;font-weight:700;flex-shrink:0;}
.studio-media{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.media-box{
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:16px;
  padding:10px;
  box-shadow:0 10px 26px rgba(28,54,120,.08);
  transition:transform .25s ease,box-shadow .25s ease;
}
.media-box:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(28,54,120,.13);}
.media-box figure{margin:0;}
.media-frame{
  aspect-ratio:4/3;
  border-radius:12px;
  overflow:hidden;
  background:linear-gradient(135deg,#eef3ff,#e6f7f4);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:8px;
}
.media-frame img{width:100%;height:100%;object-fit:contain;}
.media-box figcaption{font-size:13px;color:#54648a;text-align:center;padding:9px 4px 2px;}

/* 案例 */
.case-banner{
  border-radius:18px;
  overflow:hidden;
  border:1px solid #e2e9f8;
  background:#fff;
  box-shadow:0 14px 34px rgba(28,54,120,.09);
  margin-bottom:26px;
}
.case-banner img{width:100%;height:auto;display:block;}
.case-card{
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:16px;
  overflow:hidden;
  box-shadow:0 8px 22px rgba(28,54,120,.06);
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;
  flex-direction:column;
}
.case-card:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(28,54,120,.13);}
.case-thumb{
  aspect-ratio:4/3;
  background:linear-gradient(135deg,#eef3ff,#e6f7f4);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:10px;
}
.case-thumb img{width:100%;height:100%;object-fit:contain;}
.case-body{padding:18px 20px 22px;}
.case-body h3{font-size:16.5px;font-weight:700;margin-bottom:6px;color:#0b1730;}
.case-body p{font-size:14px;color:#5d6b88;line-height:1.7;}
.case-tag{
  display:inline-block;
  font-size:12px;
  color:#008d7c;
  background:rgba(0,191,166,.11);
  border-radius:999px;
  padding:3px 10px;
  margin-bottom:9px;
}

/* 行业方案 */
.sol-card{
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:16px;
  padding:22px;
  box-shadow:0 6px 18px rgba(28,54,120,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sol-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(28,54,120,.12);border-color:#d5e2ff;}
.sol-card h3{font-size:16.5px;font-weight:700;color:#0b1730;margin-bottom:8px;display:flex;align-items:center;gap:9px;}
.sol-card h3::before{
  content:"";
  width:9px;height:9px;
  border-radius:3px;
  background:linear-gradient(135deg,#3b5bfd,#00bfa6);
  flex-shrink:0;
}
.sol-card p{font-size:14px;color:#5d6b88;line-height:1.72;}

/* 服务网络 */
.net-card{
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:16px;
  padding:20px;
  box-shadow:0 6px 18px rgba(28,54,120,.05);
  transition:transform .25s ease,box-shadow .25s ease;
}
.net-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(28,54,120,.11);}
.net-card h3{font-size:15.5px;font-weight:700;color:#0b1730;margin-bottom:6px;}
.net-card p{font-size:13.5px;color:#5d6b88;line-height:1.7;}
.net-tag{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  color:#3b5bfd;
  background:rgba(59,91,253,.1);
  border-radius:999px;
  padding:2px 10px;
  margin-bottom:10px;
}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.step{
  position:relative;
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:14px;
  padding:18px 16px;
  box-shadow:0 6px 18px rgba(28,54,120,.05);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(28,54,120,.12);}
.step-num{
  display:inline-block;
  font-size:12px;
  font-weight:800;
  letter-spacing:1.2px;
  color:#3b5bfd;
  background:rgba(59,91,253,.09);
  border-radius:6px;
  padding:2px 8px;
  margin-bottom:10px;
}
.step h3{font-size:15px;font-weight:700;color:#0b1730;margin-bottom:5px;}
.step p{font-size:13px;color:#5d6b88;line-height:1.65;}

/* 对比评测 */
.compare-top{display:grid;grid-template-columns:320px 1fr;gap:26px;align-items:stretch;margin-bottom:28px;}
.score-card{
  background:linear-gradient(160deg,#ffffff,#f3f7ff);
  border:1px solid #dbe6ff;
  border-radius:18px;
  padding:24px;
  text-align:center;
  box-shadow:0 14px 34px rgba(28,54,120,.1);
}
.score-label{font-size:13px;font-weight:700;letter-spacing:1.6px;color:#5d6b88;}
.score-num{font-size:46px;font-weight:800;color:#3b5bfd;line-height:1.1;margin:6px 0 4px;letter-spacing:-1.5px;}
.score-num span{font-size:16px;color:#5d6b88;font-weight:600;margin-left:4px;letter-spacing:0;}
.score-stars{color:#ff9f1c;font-size:19px;letter-spacing:3px;margin-bottom:6px;}
.score-tip{font-size:13.5px;color:#33415c;font-weight:600;}
.compare-points{
  list-style:none;
  padding:22px 24px;
  margin:0;
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:18px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px 26px;
  box-shadow:0 8px 22px rgba(28,54,120,.06);
}
.compare-points li{
  font-size:14px;
  color:#33415c;
  display:flex;
  gap:9px;
  align-items:flex-start;
  line-height:1.65;
}
.compare-points li::before{
  content:"";
  width:8px;height:8px;
  border-radius:50%;
  background:linear-gradient(135deg,#3b5bfd,#00bfa6);
  margin-top:.55em;
  flex-shrink:0;
}
.table-wrap{
  overflow-x:auto;
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:16px;
  box-shadow:0 10px 26px rgba(28,54,120,.07);
}
table{width:100%;border-collapse:collapse;min-width:780px;font-size:14px;}
thead th{
  background:#f2f6ff;
  color:#0b1730;
  font-weight:700;
  text-align:left;
  padding:14px 16px;
  border-bottom:1px solid #e2e9f8;
  white-space:nowrap;
}
thead th:nth-child(2){color:#3b5bfd;background:#e8efff;}
tbody td{padding:13px 16px;border-bottom:1px solid #eef2fb;color:#4b5b7e;line-height:1.65;}
tbody td:first-child{font-weight:700;color:#0f1b34;white-space:nowrap;}
tbody td:nth-child(2){color:#1f3a8a;background:rgba(59,91,253,.04);font-weight:600;}
tbody tr:last-child td{border-bottom:none;}

/* Token 比价 */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.token-card{
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:16px;
  padding:24px;
  box-shadow:0 6px 18px rgba(28,54,120,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.token-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(28,54,120,.12);border-color:#c9d8ff;}
.token-card h3{font-size:17px;font-weight:800;color:#0b1730;margin-bottom:6px;}
.token-card .token-meta{font-size:13px;color:#3b5bfd;font-weight:700;margin-bottom:10px;}
.token-card p{font-size:14px;color:#5d6b88;line-height:1.7;}
.token-note{
  margin-top:22px;
  font-size:13.5px;
  color:#5d6b88;
  background:rgba(59,91,253,.06);
  border:1px dashed #c9d8ff;
  border-radius:12px;
  padding:14px 18px;
}

/* 评论 */
.review-card{
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:16px;
  padding:22px;
  box-shadow:0 6px 18px rgba(28,54,120,.05);
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(28,54,120,.12);}
.review-quote{
  font-size:15px;
  color:#33415c;
  line-height:1.78;
  position:relative;
  padding-left:20px;
}
.review-quote::before{
  content:"";
  position:absolute;
  left:0;top:.35em;
  width:4px;height:calc(100% - .7em);
  border-radius:3px;
  background:linear-gradient(180deg,#3b5bfd,#00bfa6);
}
.review-user{display:flex;align-items:center;gap:10px;margin-top:auto;}
.review-avatar{
  width:36px;height:36px;
  border-radius:50%;
  background:linear-gradient(135deg,#3b5bfd,#00bfa6);
  color:#fff;
  font-size:14px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.review-name{font-size:14px;font-weight:700;color:#0b1730;}
.review-role{font-size:12.5px;color:#7183a8;}

/* 表单 */
.match-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start;}
.match-copy h2{font-size:clamp(23px,2.8vw,32px);line-height:1.34;font-weight:800;color:#0b1730;margin:14px 0 16px;}
.match-copy p{color:#4b5b7e;font-size:15.5px;margin-bottom:18px;}
.match-list{list-style:none;padding:0;display:grid;gap:10px;}
.match-list li{
  font-size:14px;
  color:#33415c;
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:10px;
  padding:12px 16px;
  line-height:1.7;
}
.match-list strong{color:#3b5bfd;}
.form-card{
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:18px;
  padding:26px;
  box-shadow:0 16px 38px rgba(28,54,120,.1);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.form-field label{font-size:13.5px;font-weight:700;color:#0f1b34;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;
  font-family:inherit;
  font-size:14.5px;
  color:#0f1b34;
  background:#f8fbff;
  border:1px solid #dbe4f7;
  border-radius:10px;
  padding:11px 14px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-field textarea{resize:vertical;min-height:110px;line-height:1.7;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  background:#fff;
  border-color:#3b5bfd;
  box-shadow:0 0 0 3px rgba(59,91,253,.14);
}
.form-field input::placeholder,.form-field textarea::placeholder{color:#9aa8c4;}
.form-submit{width:100%;margin-top:6px;}
.form-tip{font-size:12.5px;color:#7183a8;margin-top:12px;text-align:center;}

/* FAQ */
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:14px;
  box-shadow:0 5px 16px rgba(28,54,120,.05);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:#c9d8ff;box-shadow:0 14px 30px rgba(28,54,120,.1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:none;
  border:none;
  cursor:pointer;
  text-align:left;
  font-family:inherit;
  font-size:15.5px;
  font-weight:700;
  color:#0f1b34;
  padding:18px 22px;
  line-height:1.6;
}
.faq-icon{
  position:relative;
  width:18px;height:18px;
  flex-shrink:0;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:#3b5bfd;
  border-radius:2px;
  transition:transform .28s ease,opacity .28s 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.open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:14.5px;color:#5d6b88;line-height:1.8;}

/* AI百科 */
.wiki-box{
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:18px;
  padding:30px;
  box-shadow:0 10px 26px rgba(28,54,120,.07);
}
.wiki-box p{font-size:15px;color:#4b5b7e;line-height:1.85;}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tags span{
  font-size:13.5px;
  color:#33415c;
  background:#f2f6ff;
  border:1px solid #e2e9f8;
  border-radius:999px;
  padding:6px 14px;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.tags span:hover{background:rgba(59,91,253,.1);color:#3b5bfd;border-color:#c9d8ff;transform:translateY(-2px);}

/* 行业资讯 */
.news-list{display:grid;gap:12px;}
.news-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:14px;
  padding:18px 22px;
  text-decoration:none;
  color:#0f1b34;
  box-shadow:0 5px 16px rgba(28,54,120,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-item:hover{transform:translateY(-3px);border-color:#c9d8ff;box-shadow:0 16px 32px rgba(28,54,120,.11);}
.news-item h3{font-size:15.5px;font-weight:700;margin-bottom:3px;}
.news-item p{font-size:13.5px;color:#5d6b88;}
.news-arrow{
  font-size:18px;
  color:#3b5bfd;
  flex-shrink:0;
  transition:transform .25s ease;
}
.news-item:hover .news-arrow{transform:translateX(4px);}

/* 加盟代理 */
.partner-box{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:34px;
  align-items:center;
  background:linear-gradient(135deg,#ffffff,#eef4ff);
  border:1px solid #dbe6ff;
  border-radius:20px;
  padding:34px;
  box-shadow:0 16px 38px rgba(28,54,120,.1);
}
.partner-box h2{font-size:clamp(22px,2.6vw,29px);font-weight:800;color:#0b1730;margin-bottom:12px;line-height:1.34;}
.partner-box p{font-size:15px;color:#4b5b7e;margin-bottom:16px;}
.partner-list{list-style:none;padding:0;display:grid;gap:9px;}
.partner-list li{font-size:14px;color:#33415c;padding-left:18px;position:relative;line-height:1.7;}
.partner-list li::before{
  content:"";
  position:absolute;
  left:0;top:.6em;
  width:8px;height:8px;
  border-radius:50%;
  background:linear-gradient(135deg,#3b5bfd,#00bfa6);
}
.partner-action{display:flex;flex-direction:column;gap:12px;align-items:stretch;}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start;}
.contact-card{
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:18px;
  padding:26px;
  box-shadow:0 10px 26px rgba(28,54,120,.07);
}
.contact-list{list-style:none;padding:0;display:grid;gap:14px;}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#33415c;line-height:1.7;}
.contact-list strong{color:#0b1730;min-width:80px;flex-shrink:0;font-weight:700;}
.contact-list a{color:#3b5bfd;text-decoration:none;word-break:break-all;}
.contact-list a:hover{text-decoration:underline;}
.qr-card{
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:18px;
  padding:22px;
  text-align:center;
  box-shadow:0 10px 26px rgba(28,54,120,.07);
}
.qr-frame{
  border-radius:14px;
  overflow:hidden;
  background:linear-gradient(135deg,#eef3ff,#e6f7f4);
  padding:12px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.qr-frame img{max-width:240px;width:100%;height:auto;object-fit:contain;border-radius:8px;}
.qr-card p{font-size:13.5px;color:#5d6b88;margin-top:12px;}
.qr-card strong{display:block;color:#0b1730;font-size:15px;margin-bottom:4px;}

/* 页脚 */
.site-footer{
  margin-top:24px;
  background:#0d1730;
  color:#b8c6e0;
  padding:52px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;align-items:start;}
.foot-brand{font-size:19px;font-weight:800;color:#ffffff;letter-spacing:.6px;margin-bottom:10px;}
.foot-about p{font-size:13.5px;line-height:1.8;color:#b8c6e0;max-width:34em;}
.foot-title{font-size:14px;font-weight:700;color:#ffffff;margin-bottom:12px;letter-spacing:.6px;}
.foot-col ul{list-style:none;padding:0;display:grid;gap:8px;}
.foot-col a,.foot-col span{font-size:13.5px;color:#b8c6e0;text-decoration:none;}
.foot-col a:hover{color:#ffffff;text-decoration:underline;}
.foot-friend{
  margin-top:34px;
  padding-top:22px;
  border-top:1px solid rgba(184,198,224,.2);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  font-size:13px;
  color:#93a5c6;
}
.foot-friend a{color:#cddcf8;text-decoration:none;}
.foot-friend a:hover{color:#ffffff;text-decoration:underline;}
.foot-bottom{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid rgba(184,198,224,.2);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:12.5px;
  color:#8fa1c2;
}
.foot-bottom a{color:#cddcf8;text-decoration:none;}
.foot-bottom a:hover{color:#ffffff;}

/* 浮动组件 */
.float-bar{
  position:fixed;
  right:18px;
  bottom:24px;
  z-index:90;
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:flex-end;
}
.float-btn{
  width:50px;height:50px;
  border-radius:50%;
  border:1px solid #dbe4f7;
  background:#fff;
  color:#3b5bfd;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  box-shadow:0 10px 26px rgba(28,54,120,.18);
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
  padding:0;
}
.float-btn svg{width:22px;height:22px;}
.float-btn:hover{transform:translateY(-3px);background:#3b5bfd;color:#fff;box-shadow:0 16px 32px rgba(59,91,253,.34);}
#topBtn{opacity:0;visibility:hidden;transform:translateY(10px);}
#topBtn.show{opacity:1;visibility:visible;transform:translateY(0);}
#topBtn:hover{transform:translateY(-3px);}
.kefu-panel{
  position:absolute;
  right:0;
  bottom:74px;
  width:230px;
  background:#fff;
  border:1px solid #e2e9f8;
  border-radius:16px;
  box-shadow:0 20px 44px rgba(28,54,120,.2);
  padding:16px;
  text-align:center;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.kefu-panel.show{opacity:1;visibility:visible;transform:translateY(0);}
.kefu-panel img{width:100%;max-width:180px;height:auto;object-fit:contain;margin:0 auto 10px;border-radius:10px;}
.kefu-panel p{font-size:12.5px;color:#5d6b88;line-height:1.7;}
.kefu-panel strong{display:block;color:#0b1730;font-size:13.5px;margin-bottom:4px;}

/* 动画 */
@keyframes rise{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:none;}}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}
.hero-copy h1,.hero-copy .hero-lead,.hero-copy .hero-actions,.hero-copy .hero-points,.hero-copy .eyebrow{animation:rise .7s ease both;}
.hero-copy h1{animation-delay:.06s;}
.hero-copy .hero-lead{animation-delay:.14s;}
.hero-copy .hero-actions{animation-delay:.2s;}
.hero-copy .hero-points{animation-delay:.26s;}
.js-ready .reveal{opacity:0;transform:translateY(20px);transition:opacity .66s ease,transform .66s ease;}
.js-ready .reveal.in{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1080px){
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-links{
    position:absolute;
    top:calc(100% + 1px);
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    background:#fff;
    border:1px solid #e2e9f8;
    border-top:none;
    border-radius:0 0 14px 14px;
    box-shadow:0 22px 44px rgba(28,54,120,.14);
    padding:6px 14px 14px;
    gap:0;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 8px;border-bottom:1px dashed #eaf0fc;border-radius:0;}
  .nav-links a:last-child{border-bottom:none;}
  .steps{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:960px){
  .hero-grid,.about-grid,.studio-grid,.match-grid,.contact-grid{grid-template-columns:1fr;gap:30px;}
  .grid-3,.grid-4,.grid-2,.token-grid{grid-template-columns:repeat(2,1fr);}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .compare-top{grid-template-columns:1fr;}
  .compare-points{grid-template-columns:1fr;}
  .partner-box{grid-template-columns:1fr;gap:24px;padding:26px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .section{padding:58px 0;}
  .studio-media{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .wrap{padding:0 18px;}
  .grid-3,.grid-4,.grid-2,.token-grid,.steps{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr 1fr;gap:12px;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .foot-grid{grid-template-columns:1fr;}
  .hero{padding:42px 0 34px;}
  .section{padding:50px 0;}
  .panel{padding:20px;}
  .panel-list li{flex-direction:column;align-items:flex-start;gap:2px;}
  .panel-list strong{text-align:left;}
  .news-item{flex-direction:column;align-items:flex-start;gap:8px;}
  .news-arrow{display:none;}
  .float-bar{right:12px;bottom:16px;}
  .float-btn{width:46px;height:46px;}
  .studio-media{grid-template-columns:1fr;}
  .brand-sub{font-size:10px;}
  .foot-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .js-ready .reveal{opacity:1;transform:none;}
}