:root{
  --ink:#111a33;
  --ink-2:#4a5673;
  --ink-3:#6b7794;
  --line:#e5eaf6;
  --brand:#3b5bfd;
  --brand-deep:#2b45e0;
  --brand-soft:#eef2ff;
  --teal:#0fb9a5;
  --amber:#f5a524;
  --radius:16px;
  --shadow-sm:0 6px 18px rgba(20,38,95,.06);
  --shadow-md:0 14px 32px rgba(20,38,95,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background-color:#f5f8ff;
  background-image:
    radial-gradient(900px 520px at 6% -8%,rgba(59,91,253,.14),transparent 62%),
    radial-gradient(820px 500px at 98% 2%,rgba(15,185,165,.13),transparent 60%),
    linear-gradient(180deg,#f5f8ff 0%,#eef3ff 48%,#f7f9ff 100%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
a{color:var(--brand-deep);}
h1,h2,h3,h4{color:var(--ink);}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
section[id]{scroll-margin-top:84px;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid #e6ebf7;
}
.nav-wrap{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;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:.01em;flex:none;}
.ai-page-logo{display:block;max-width:150px;max-height:38px;height:auto;width:auto;object-fit:contain;}
.brand-text{white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:0;margin:0 0 0 auto;padding:0;list-style:none;}
.nav-links a{display:block;padding:8px 12px;border-radius:8px;color:#3a4560;font-size:14.5px;text-decoration:none;white-space:nowrap;transition:color .2s ease,background .2s ease;}
.nav-links a:hover{color:var(--brand-deep);background:#eef2ff;}
.nav-cta{flex:none;margin-left:16px;}
.nav-toggle{display:none;width:42px;height:38px;border:1px solid #dde4f6;background:#fff;border-radius:10px;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;background:#3a4560;border-radius:2px;transition:transform .2s ease,opacity .2s ease;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;font-family:inherit;line-height:1.4;
  text-decoration:none;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.btn-primary{background:linear-gradient(120deg,#3b5bfd,#2b45e0);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-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand-deep);border-color:#d5ddff;box-shadow:0 6px 16px rgba(30,50,120,.06);}
.btn-ghost:hover{transform:translateY(-2px);background:#f6f8ff;border-color:#b9c6ff;}
.btn-block{width:100%;}

/* Hero */
.hero{position:relative;padding:56px 0 42px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;left:0;right:0;top:-140px;height:460px;
  background:radial-gradient(600px 300px at 18% 40%,rgba(59,91,253,.16),transparent 70%),
             radial-gradient(520px 280px at 82% 12%,rgba(15,185,165,.16),transparent 70%);
  pointer-events:none;z-index:0;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:42px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin:0 0 18px;padding:6px 16px 6px 12px;border-radius:999px;
  background:#fff;border:1px solid #e2e8fb;box-shadow:var(--shadow-sm);
  font-size:13.5px;font-weight:600;color:#33406b;
}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(15,185,165,.5);animation:pulse 2.4s ease-out infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(15,185,165,.45);}
  70%{box-shadow:0 0 0 10px rgba(15,185,165,0);}
  100%{box-shadow:0 0 0 0 rgba(15,185,165,0);}
}
.hero h1{
  margin:0 0 16px;
  font-size:clamp(30px,4.6vw,50px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.02em;
}
.hero-sub{margin:0 0 26px;font-size:16px;color:var(--ink-2);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 0;padding:0;list-style:none;}
.hero-tags li{
  padding:7px 14px;border-radius:10px;background:rgba(255,255,255,.85);
  border:1px solid #e2e8fb;font-size:13.5px;color:#3a4670;
}
.hero-panel{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid #e6ebf7;border-radius:22px;
  padding:24px;box-shadow:0 20px 44px rgba(20,38,95,.10);
}
.hero-panel::after{
  content:"";position:absolute;right:-70px;top:-70px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(59,91,253,.20),transparent 70%);pointer-events:none;
}
.panel-top{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:#2c3855;margin-bottom:16px;}
.panel-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(59,91,253,.16);}
.chip-grid{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  padding:6px 13px;border-radius:999px;background:#f2f5ff;border:1px solid #e2e8fb;
  color:#33406b;font-size:13px;font-weight:500;
  opacity:0;animation:chipIn .5s ease forwards;
}
.chip-grid .chip:nth-child(1){animation-delay:.05s;}
.chip-grid .chip:nth-child(2){animation-delay:.1s;}
.chip-grid .chip:nth-child(3){animation-delay:.15s;}
.chip-grid .chip:nth-child(4){animation-delay:.2s;}
.chip-grid .chip:nth-child(5){animation-delay:.25s;}
.chip-grid .chip:nth-child(6){animation-delay:.3s;}
.chip-grid .chip:nth-child(7){animation-delay:.35s;}
.chip-grid .chip:nth-child(8){animation-delay:.4s;}
.chip-grid .chip:nth-child(9){animation-delay:.45s;}
.chip-grid .chip:nth-child(10){animation-delay:.5s;}
.chip-grid .chip:nth-child(11){animation-delay:.55s;}
.chip-grid .chip:nth-child(12){animation-delay:.6s;}
@keyframes chipIn{from{opacity:0;transform:translateY(10px) scale(.96);}to{opacity:1;transform:none;}}
.panel-note{margin:18px 0 0;font-size:13px;color:var(--ink-3);}

/* 数据指标 */
.metrics{padding:8px 0 0;}
.metric-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.metric{padding:22px 18px;text-align:center;border-right:1px solid #eef1f9;transition:background .25s ease;}
.metric:last-child{border-right:0;}
.metric:hover{background:#f7f9ff;}
.metric strong{display:block;font-size:30px;font-weight:800;color:var(--brand-deep);letter-spacing:-.02em;line-height:1.2;}
.metric strong span{font-size:17px;}
.metric p{margin:4px 0 0;font-size:14px;color:var(--ink-3);}

/* 通用区块 */
.section{padding:58px 0;}
.sec-head{max-width:780px;margin:0 auto 34px;text-align:center;}
.sec-head-left{max-width:640px;margin:0 0 30px;text-align:left;}
.sec-tag{
  display:inline-block;padding:5px 14px;border-radius:999px;
  background:#e8edff;color:var(--brand-deep);font-size:13px;font-weight:700;letter-spacing:.02em;
}
.sec-head h2{margin:14px 0 10px;font-size:clamp(23px,3.2vw,32px);line-height:1.32;font-weight:800;letter-spacing:-.01em;}
.sec-head p{margin:0;color:var(--ink-2);font-size:15.5px;}

.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:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d7e0ff;}

/* 关于我们 */
.feature-card h3{margin:0 0 8px;font-size:17px;font-weight:700;}
.feature-card p{margin:0;color:var(--ink-2);font-size:14.5px;}
.feature-mark{
  display:block;width:36px;height:36px;border-radius:11px;margin-bottom:14px;
  background:linear-gradient(135deg,#3b5bfd,#0fb9a5);
  box-shadow:0 8px 18px rgba(59,91,253,.22);
}

/* 服务 */
.service-card h3{margin:0 0 8px;font-size:16.5px;font-weight:700;}
.service-card p{margin:0;color:var(--ink-2);font-size:14px;}
.service-card .tag{
  display:inline-block;margin-top:14px;padding:3px 10px;border-radius:8px;
  background:#f0f6ff;color:#2a5bd7;font-size:12.5px;font-weight:600;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag-cloud span{
  padding:7px 15px;border-radius:999px;background:#fff;border:1px solid #e2e8fb;
  color:#3a4670;font-size:13.5px;transition:transform .2s ease,border-color .2s ease,color .2s ease;
}
.tag-cloud span:hover{transform:translateY(-2px);border-color:#b9c6ff;color:var(--brand-deep);}

/* 一站式制作 */
.studio-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start;}
.steps{margin:0;padding:0;list-style:none;display:grid;gap:14px;counter-reset:step;}
.steps li{
  position:relative;padding:18px 20px 18px 62px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.steps li:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.steps li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:18px;top:18px;
  width:30px;height:30px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#3b5bfd,#0fb9a5);color:#fff;font-size:13px;font-weight:700;
}
.steps h3{margin:0 0 4px;font-size:15.5px;font-weight:700;}
.steps p{margin:0;font-size:14px;color:var(--ink-2);}
.studio-media{display:grid;gap:16px;}
.media-item{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:12px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.media-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.media-item img{display:block;width:100%;height:auto;border-radius:10px;}
.media-item figcaption{margin:10px 4px 2px;font-size:13.5px;color:var(--ink-3);}

/* 行业方案 */
.solution-card h3{margin:0 0 8px;font-size:16.5px;font-weight:700;}
.solution-card p{margin:0;font-size:14px;color:var(--ink-2);}

/* 流程 */
.process-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;}
.process-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:22px 18px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.process-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d7e0ff;}
.process-item span{
  display:inline-block;margin-bottom:10px;padding:3px 10px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:12.5px;font-weight:700;
}
.process-item h3{margin:0 0 6px;font-size:15.5px;font-weight:700;}
.process-item p{margin:0;font-size:13.5px;color:var(--ink-2);}

/* 服务网络 */
.network-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:start;}
.channel-list{display:grid;gap:12px;margin:0;padding:0;list-style:none;}
.channel-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-sm);font-size:14.5px;color:var(--ink-2);
}
.channel-list li b{color:var(--ink);font-weight:700;}
.channel-list li a{text-decoration:none;}
.channel-list li a:hover{text-decoration:underline;}
.network-note{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow-sm);}
.network-note h3{margin:0 0 10px;font-size:18px;font-weight:700;}
.network-note p{margin:0 0 12px;font-size:14.5px;color:var(--ink-2);}
.network-note ul{margin:0;padding-left:18px;font-size:14.5px;color:var(--ink-2);}
.network-note li{margin-bottom:6px;}

/* 案例 */
.case-card{padding:14px 14px 20px;overflow:hidden;}
.case-card img{display:block;width:100%;height:auto;border-radius:12px;background:#f4f7ff;}
.case-card h3{margin:14px 4px 6px;font-size:16px;font-weight:700;}
.case-card p{margin:0 4px;font-size:14px;color:var(--ink-2);}

/* 对比评测 */
.review-layout{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:start;}
.score-card{
  background:linear-gradient(155deg,#2b45e0,#16205c 88%);
  color:#fff;border-radius:20px;padding:28px 24px;
  box-shadow:0 18px 40px rgba(30,50,140,.26);
}
.score-card .score-label{margin:0;font-size:13.5px;letter-spacing:.06em;color:#c3cdfa;}
.score-num{margin:6px 0 0;font-size:52px;font-weight:800;line-height:1.05;color:#fff;letter-spacing:-.03em;}
.score-num span{font-size:18px;font-weight:600;color:#c3cdfa;margin-left:4px;}
.stars{margin:10px 0 0;font-size:20px;color:#ffc94d;letter-spacing:3px;}
.score-desc{margin:10px 0 18px;font-size:14px;color:#dfe5ff;}
.score-list{margin:0;padding:0;list-style:none;display:grid;gap:9px;}
.score-list li{position:relative;padding-left:18px;font-size:14px;color:#e6eaff;}
.score-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:#4ee0c9;
}
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-sm);
}
table{width:100%;border-collapse:collapse;min-width:580px;}
th,td{padding:14px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid #eef1f9;vertical-align:top;color:var(--ink-2);}
thead th{background:#f3f6ff;color:var(--brand-deep);font-weight:700;white-space:nowrap;font-size:14px;}
tbody th{color:var(--ink);font-weight:700;font-size:14.5px;background:#fbfcff;}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0;}
tbody tr:hover td,tbody tr:hover th{background:#f8faff;}
td.good{color:#157a55;font-weight:600;}

/* Token 比价 */
.token-tips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:22px;}
.tip-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow-sm);}
.tip-card h3{margin:0 0 6px;font-size:15.5px;font-weight:700;}
.tip-card p{margin:0;font-size:14px;color:var(--ink-2);}
.note-line{margin:18px 0 0;font-size:13.5px;color:var(--ink-3);text-align:center;}

/* 评论 */
.review-card{display:flex;flex-direction:column;gap:14px;}
.review-text{margin:0;font-size:14.5px;color:#2c3855;line-height:1.85;}
.review-user{display:flex;align-items:center;gap:11px;margin-top:auto;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#3b5bfd,#0fb9a5);
  color:#fff;font-size:14px;font-weight:700;
}
.review-user strong{display:block;font-size:14px;color:var(--ink);line-height:1.4;}
.review-user span{display:block;font-size:12.5px;color:var(--ink-3);line-height:1.4;}

/* 帮助与百科 */
.help-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:start;}
.help-list{display:grid;gap:12px;margin:0;padding:0;list-style:none;}
.help-list li{
  padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.help-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.help-list h3{margin:0 0 4px;font-size:15.5px;font-weight:700;}
.help-list p{margin:0;font-size:14px;color:var(--ink-2);}

/* 资讯 */
.news-list{display:grid;gap:12px;margin:0;padding:0;list-style:none;}
.news-list a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-sm);text-decoration:none;color:var(--ink);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-list a:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d7e0ff;}
.news-title{font-size:15px;font-weight:600;}
.news-meta{flex:none;font-size:12.5px;color:var(--brand-deep);background:var(--brand-soft);padding:4px 12px;border-radius:999px;font-weight:600;}

/* 加盟 */
.join-banner{
  background:linear-gradient(120deg,#3b5bfd,#1e2b8f 92%);
  border-radius:24px;padding:40px;color:#fff;
  display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;
  box-shadow:0 22px 50px rgba(30,50,140,.28);
}
.join-banner h2{margin:0 0 12px;font-size:clamp(22px,2.9vw,30px);color:#fff;line-height:1.34;}
.join-banner p{margin:0 0 20px;color:#dbe2ff;font-size:15px;}
.join-points{margin:0;padding:0;list-style:none;display:grid;gap:10px;}
.join-points li{position:relative;padding-left:20px;font-size:14.5px;color:#e8ecff;}
.join-points li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:#4ee0c9;
}
.join-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.btn-light{background:#fff;color:#1e2b8f;box-shadow:0 10px 24px rgba(0,0,0,.16);}
.btn-light:hover{transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c9d5ff;box-shadow:0 12px 28px rgba(20,38,95,.09);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 22px;cursor:pointer;list-style:none;
  font-size:15.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";flex:none;width:10px;height:10px;
  border-right:2px solid #7b88ad;border-bottom:2px solid #7b88ad;
  transform:rotate(45deg);transition:transform .25s ease;margin-top:-3px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:3px;}
.faq-item p{margin:0;padding:0 22px 18px;font-size:14.5px;color:var(--ink-2);}

/* 联系 / 表单 */
.contact-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start;}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow-sm);}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field label{font-size:14px;font-weight:600;color:#2c3855;}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border:1px solid #dfe5f3;border-radius:10px;
  background:#fbfcff;color:var(--ink);font-size:14.5px;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:104px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:#9aabff;background:#fff;box-shadow:0 0 0 4px rgba(59,91,253,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#9aa5bf;}
.form-tip{margin:12px 0 0;font-size:13px;color:var(--ink-3);text-align:center;}
.contact-side{display:grid;gap:16px;}
.qr-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;
  box-shadow:var(--shadow-sm);text-align:center;
}
.qr-card img{width:150px;max-width:100%;height:auto;border-radius:12px;display:block;margin:0 auto 10px;border:1px solid #eef1f9;}
.qr-card p{margin:0;font-size:14px;font-weight:600;color:#2c3855;}
.contact-info{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow-sm);}
.contact-info h3{margin:0 0 12px;font-size:16px;font-weight:700;}
.contact-info ul{margin:0;padding:0;list-style:none;display:grid;gap:10px;}
.contact-info li{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--ink-2);}
.contact-info li b{color:var(--ink);font-weight:600;}
.contact-info a{text-decoration:none;}
.contact-info a:hover{text-decoration:underline;}

/* 页脚 */
.site-footer{
  margin-top:56px;
  background:linear-gradient(180deg,#121b36,#0c1328);
  color:#c8d2ea;
  padding:44px 0 22px;
}
.footer-top{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:32px;align-items:start;}
.footer-name{margin:0 0 10px;font-size:19px;font-weight:800;color:#fff;}
.footer-desc{margin:0 0 16px;font-size:14px;color:#a9b6d6;line-height:1.8;}
.footer-cta{display:inline-block;font-size:14px;font-weight:600;color:#7fd8ff;text-decoration:none;transition:color .2s ease,transform .2s ease;}
.footer-cta:hover{color:#fff;transform:translateX(3px);}
.footer-col h3{margin:0 0 12px;font-size:15px;font-weight:700;color:#fff;}
.footer-col ul{margin:0;padding:0;list-style:none;display:grid;gap:8px;}
.footer-col li{font-size:14px;color:#a9b6d6;}
.footer-col a{color:#a9b6d6;text-decoration:none;transition:color .2s ease;}
.footer-col a:hover{color:#fff;}
.footer-friend{
  margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;font-size:13.5px;
}
.footer-friend span{color:#8fa0c6;}
.footer-friend a{color:#c8d2ea;text-decoration:none;transition:color .2s ease;}
.footer-friend a:hover{color:#fff;}
.footer-bottom{
  margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:#8fa0c6;
}
.footer-bottom p{margin:0;}
.footer-bottom a{color:#c8d2ea;text-decoration:none;}
.footer-bottom a:hover{color:#fff;}

/* 浮动客服 */
.float-service{position:fixed;right:20px;bottom:26px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.float-pop{
  display:none;width:240px;background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 18px 40px rgba(20,38,95,.18);padding:18px;
}
.float-pop.is-open{display:block;animation:popIn .22s ease;}
@keyframes popIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.float-pop h3{margin:0 0 10px;font-size:14.5px;font-weight:700;}
.float-pop p{margin:0 0 8px;font-size:13.5px;color:var(--ink-2);}
.float-pop .btn{padding:9px 16px;font-size:13.5px;margin-top:4px;}
.float-btn{
  padding:13px 20px;border-radius:999px;border:0;cursor:pointer;
  background:linear-gradient(120deg,#3b5bfd,#2b45e0);color:#fff;
  font-size:14px;font-weight:700;font-family:inherit;
  box-shadow:0 12px 26px rgba(59,91,253,.32);
  transition:transform .2s ease,box-shadow .2s ease;
}
.float-btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(59,91,253,.38);}
.float-top{
  width:42px;height:42px;border-radius:50%;border:1px solid #dde4f6;background:#fff;
  color:#3a4560;cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);opacity:0;visibility:hidden;
  transition:opacity .25s ease,transform .2s ease,visibility .25s ease;
}
.float-top.is-show{opacity:1;visibility:visible;}
.float-top:hover{transform:translateY(-3px);color:var(--brand-deep);}
.float-top svg{width:16px;height:16px;display:block;}

/* 响应式 */
@media (max-width:1040px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid #e6ebf7;
    border-radius:0 0 16px 16px;
    padding:8px 16px 14px;margin:0;
    box-shadow:0 18px 32px rgba(20,38,95,.12);
    display:none;
  }
  .nav-links.is-open{display:flex;animation:popIn .22s ease;}
  .nav-links a{padding:12px 8px;border-bottom:1px dashed #eef1f8;font-size:15px;border-radius:0;}
  .nav-links a:last-child{border-bottom:0;}
  .nav-cta{margin-left:auto;}
  .hero-inner{grid-template-columns:1fr;gap:30px;}
  .hero-sub{max-width:none;}
  .review-layout{grid-template-columns:1fr;}
  .process-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .join-banner{grid-template-columns:1fr;padding:32px;}
  .network-grid,.studio-grid,.help-grid,.contact-layout{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:24px;}
}
@media (max-width:900px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .token-tips{grid-template-columns:1fr;}
}
@media (max-width:760px){
  .section{padding:46px 0;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metric:nth-child(2){border-right:0;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid #eef1f9;}
  .hero{padding:38px 0 34px;}
  .hero-actions .btn{flex:1 1 auto;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .process-grid{grid-template-columns:1fr;}
  .nav-cta{padding:9px 16px;font-size:13.5px;}
  .brand-text{font-size:15px;}
  .footer-top{grid-template-columns:1fr;}
  .news-list a{flex-direction:column;align-items:flex-start;gap:8px;}
  .channel-list li{flex-direction:column;align-items:flex-start;gap:4px;}
  .float-service{right:14px;bottom:18px;}
  .float-pop{width:min(240px,calc(100vw - 40px));}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .chip{animation:none;opacity:1;}
  .pulse{animation:none;}
  *{transition-duration:.01ms !important;}
}