:root{
  --mint:#2fbf9b;
  --mint-deep:#158f74;
  --mint-soft:#e6f7f1;
  --mint-pale:#f2fbf7;
  --ink:#122a26;
  --ink-soft:#3d5a54;
  --muted:#6b837d;
  --line:#d8ece5;
  --white:#ffffff;
  --shadow:0 18px 40px -22px rgba(21,143,116,.35);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(1200px 520px at 12% -8%, #dff6ee 0%, rgba(223,246,238,0) 60%),
    radial-gradient(1000px 480px at 92% 4%, #e7f9f2 0%, rgba(231,249,242,0) 55%),
    linear-gradient(180deg,#f5fdf9 0%,#f2fbf7 40%,#eefaf5 100%);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{display:block;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 22px;}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:120;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand .ai-page-logo{height:36px;width:auto;max-width:150px;object-fit:contain;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;letter-spacing:.5px;color:var(--ink);}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:1.5px;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;}
.nav-links a{padding:8px 11px;font-size:14px;color:var(--ink-soft);border-radius:9px;transition:color .25s,background .25s;white-space:nowrap;}
.nav-links a:hover{color:var(--mint-deep);background:var(--mint-soft);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:999px;font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s,color .25s;white-space:nowrap;}
.btn-primary{background:linear-gradient(135deg,var(--mint) 0%,var(--mint-deep) 100%);color:#fff;box-shadow:0 12px 24px -12px rgba(21,143,116,.75);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 30px -14px rgba(21,143,116,.85);}
.btn-ghost{background:#fff;color:var(--mint-deep);border-color:var(--line);}
.btn-ghost:hover{background:var(--mint-soft);transform:translateY(-2px);}
.btn:active{transform:translateY(0) scale(.98);}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.3s;}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.open span:nth-child(2){opacity:0;}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Hero */
.hero{position:relative;overflow:hidden;padding:74px 0 66px;}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(560px 320px at 82% 18%, rgba(47,191,155,.20), transparent 70%),
  radial-gradient(420px 280px at 6% 82%, rgba(47,191,155,.14), transparent 70%);
  pointer-events:none;}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;background:var(--mint-soft);color:var(--mint-deep);font-size:13px;font-weight:600;letter-spacing:.5px;border:1px solid #c6ece0;}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:inline-block;animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}}
.hero h1{font-size:44px;line-height:1.22;letter-spacing:-.5px;margin:20px 0 16px;color:var(--ink);}
.hero h1 em{font-style:normal;color:var(--mint-deep);position:relative;}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:9px;background:rgba(47,191,155,.22);border-radius:6px;z-index:-1;}
.hero p.lead{font-size:16px;color:var(--ink-soft);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px;}
.hero-tags span{font-size:12.5px;color:var(--mint-deep);background:rgba(255,255,255,.78);border:1px solid var(--line);padding:6px 13px;border-radius:999px;transition:transform .25s,box-shadow .25s;}
.hero-tags span:hover{transform:translateY(-3px);box-shadow:0 10px 20px -14px rgba(21,143,116,.7);}
.hero-panel{position:relative;background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:var(--shadow);}
.hero-panel::after{content:"";position:absolute;inset:-1px;border-radius:24px;border:1px solid rgba(47,191,155,.25);pointer-events:none;}
.panel-title{font-size:13px;letter-spacing:2px;color:var(--muted);text-transform:uppercase;}
.panel-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px;}
.metric{background:var(--mint-pale);border:1px solid var(--line);border-radius:14px;padding:14px;transition:transform .28s,background .28s;}
.metric:hover{transform:translateY(-3px);background:var(--mint-soft);}
.metric b{display:block;font-size:22px;color:var(--mint-deep);line-height:1.2;}
.metric small{font-size:12.5px;color:var(--muted);}
.panel-bars{margin-top:20px;display:flex;flex-direction:column;gap:11px;}
.panel-bar{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-soft);}
.panel-bar .bar{flex:1;height:8px;border-radius:99px;background:#eaf6f1;overflow:hidden;}
.panel-bar .bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#63d3b4,#158f74);width:0;animation:grow 1.6s ease forwards;}
.panel-bar:nth-child(1) .bar i{--w:92%;}
.panel-bar:nth-child(2) .bar i{--w:86%;animation-delay:.15s;}
.panel-bar:nth-child(3) .bar i{--w:78%;animation-delay:.3s;}
@keyframes grow{to{width:var(--w);}}

/* 通用区块 */
section{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .kicker{display:inline-block;font-size:12.5px;letter-spacing:2px;color:var(--mint-deep);font-weight:700;text-transform:uppercase;margin-bottom:10px;}
.section-head h2{font-size:32px;line-height:1.3;letter-spacing:-.3px;color:var(--ink);}
.section-head p{margin-top:12px;color:var(--ink-soft);font-size:15.5px;}

/* 数据指标 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 10px 26px -22px rgba(21,143,116,.65);transition:transform .3s,box-shadow .3s;}
.stat-card:hover{transform:translateY(-5px);box-shadow:0 22px 38px -24px rgba(21,143,116,.7);}
.stat-card b{display:block;font-size:28px;color:var(--mint-deep);line-height:1.15;}
.stat-card span{font-size:14px;color:var(--ink);font-weight:600;}
.stat-card small{display:block;margin-top:6px;font-size:12.5px;color:var(--muted);}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start;}
.about-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow);}
.about-card h3{font-size:19px;margin-bottom:12px;color:var(--ink);}
.about-list{list-style:none;display:flex;flex-direction:column;gap:12px;margin-top:16px;}
.about-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-soft);}
.about-list li i{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--mint-soft);color:var(--mint-deep);display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-size:12px;font-weight:700;margin-top:2px;}
.about-side{display:flex;flex-direction:column;gap:16px;}
.side-box{background:linear-gradient(160deg,#ffffff 0%,#eaf9f3 100%);border:1px solid var(--line);border-radius:20px;padding:24px;}
.side-box h4{font-size:16px;margin-bottom:10px;color:var(--mint-deep);}
.side-box p{font-size:14px;color:var(--ink-soft);}

/* 服务能力 */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden;}
.svc-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--mint),#8ee3c9);transform:scaleX(0);transform-origin:left;transition:transform .35s;}
.svc-card:hover{transform:translateY(-6px);box-shadow:0 24px 40px -26px rgba(21,143,116,.7);border-color:#bfe9dc;}
.svc-card:hover::before{transform:scaleX(1);}
.svc-icon{width:44px;height:44px;border-radius:13px;background:var(--mint-soft);color:var(--mint-deep);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px;}
.svc-card h3{font-size:17px;margin-bottom:9px;color:var(--ink);}
.svc-card p{font-size:14px;color:var(--ink-soft);}
.svc-card .svc-meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px;}
.svc-meta span{font-size:11.5px;color:var(--mint-deep);background:var(--mint-pale);border:1px solid var(--line);padding:3px 10px;border-radius:999px;}

/* 一站式制作 / 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step;}
.flow-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;position:relative;transition:transform .3s,box-shadow .3s;}
.flow-item:hover{transform:translateY(-5px);box-shadow:0 20px 34px -24px rgba(21,143,116,.7);}
.flow-item .num{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--mint);}
.flow-item h3{font-size:16.5px;margin:10px 0 8px;color:var(--ink);}
.flow-item p{font-size:13.8px;color:var(--ink-soft);}
.flow-line{height:2px;background:linear-gradient(90deg,var(--mint),transparent);border-radius:2px;margin-top:18px;opacity:.5;}

/* 行业方案 */
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.solution{border-radius:20px;padding:26px;border:1px solid var(--line);background:#fff;transition:transform .3s,box-shadow .3s;}
.solution:nth-child(2n){background:linear-gradient(150deg,#f3fcf8,#ffffff);}
.solution:hover{transform:translateY(-4px);box-shadow:0 22px 36px -26px rgba(21,143,116,.7);}
.solution h3{font-size:18px;margin-bottom:10px;color:var(--ink);display:flex;align-items:center;gap:9px;}
.solution h3 i{width:8px;height:8px;border-radius:3px;background:var(--mint);display:inline-block;}
.solution p{font-size:14px;color:var(--ink-soft);}
.solution ul{list-style:none;margin-top:12px;display:flex;flex-direction:column;gap:7px;}
.solution ul li{font-size:13.6px;color:var(--muted);padding-left:15px;position:relative;}
.solution ul li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:#8ee3c9;}

/* 服务网络 */
.network{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:stretch;}
.net-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow);}
.net-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px;}
.net-tags span{font-size:13px;padding:7px 14px;border-radius:10px;background:var(--mint-pale);border:1px solid var(--line);color:var(--ink-soft);transition:.25s;}
.net-tags span:hover{background:var(--mint-soft);color:var(--mint-deep);transform:translateY(-2px);}
.net-side{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:start;}
.net-mini{background:linear-gradient(160deg,#ffffff,#eaf9f3);border:1px solid var(--line);border-radius:16px;padding:18px;}
.net-mini b{display:block;font-size:15px;color:var(--mint-deep);margin-bottom:6px;}
.net-mini small{font-size:12.8px;color:var(--muted);line-height:1.6;display:block;}

/* 案例中心 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.case-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:transform .3s,box-shadow .3s;}
.case-card:hover{transform:translateY(-6px);box-shadow:0 26px 42px -26px rgba(21,143,116,.75);}
.case-media{aspect-ratio:16/10;background:var(--mint-pale);overflow:hidden;}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.case-card:hover .case-media img{transform:scale(1.04);}
.case-body{padding:20px;}
.case-body h3{font-size:16.5px;color:var(--ink);margin-bottom:8px;}
.case-body p{font-size:13.8px;color:var(--ink-soft);}
.case-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px;}
.case-tags span{font-size:11.5px;padding:3px 10px;border-radius:999px;background:var(--mint-soft);color:var(--mint-deep);}

/* 对比评测 */
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden;}
.compare-top{display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;padding:28px;background:linear-gradient(120deg,#e9faf3,#ffffff);border-bottom:1px solid var(--line);}
.score{display:flex;align-items:center;gap:18px;}
.score-num{font-size:46px;font-weight:800;color:var(--mint-deep);line-height:1;letter-spacing:-2px;}
.score-meta strong{display:block;font-size:16px;color:var(--ink);}
.score-meta span{font-size:13px;color:var(--muted);}
.stars{color:#f4b740;font-size:18px;letter-spacing:3px;margin-top:4px;}
.compare-note{padding:28px;}
.compare-note p{font-size:14.5px;color:var(--ink-soft);}
.table-scroll{overflow-x:auto;}
table.compare{width:100%;border-collapse:collapse;min-width:640px;}
table.compare th,table.compare td{padding:15px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line);}
table.compare thead th{background:var(--mint-pale);color:var(--ink);font-weight:700;white-space:nowrap;}
table.compare tbody tr{transition:background .2s;}
table.compare tbody tr:hover{background:#f7fdfa;}
table.compare td:first-child{font-weight:600;color:var(--ink);}
table.compare td.center{text-align:center;}
.tag-good{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--mint-soft);color:var(--mint-deep);font-size:12.5px;font-weight:600;}
.tag-mid{display:inline-block;padding:2px 10px;border-radius:999px;background:#f4f5f6;color:#8a9490;font-size:12.5px;}

/* 需求匹配表单 */
.match-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:start;}
.match-info{background:linear-gradient(160deg,#ffffff,#e9faf3);border:1px solid var(--line);border-radius:22px;padding:28px;}
.match-info h3{font-size:20px;margin-bottom:12px;color:var(--ink);}
.match-info p{font-size:14.3px;color:var(--ink-soft);}
.match-list{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:11px;}
.match-list li{font-size:13.8px;color:var(--ink-soft);display:flex;gap:9px;align-items:flex-start;}
.match-list li::before{content:"✓";color:var(--mint-deep);font-weight:700;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px;}
.field label{font-size:13.5px;font-weight:600;color:var(--ink);}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:11px;font-size:14px;color:var(--ink);background:#fbfefd;font-family:inherit;transition:border-color .25s,box-shadow .25s;outline:none;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(47,191,155,.16);background:#fff;}
.field textarea{min-height:104px;resize:vertical;}
.form-card .btn{width:100%;margin-top:6px;padding:13px;}

/* Token比价 */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.token-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;transition:transform .3s,box-shadow .3s;}
.token-card:hover{transform:translateY(-5px);box-shadow:0 22px 36px -26px rgba(21,143,116,.7);}
.token-card h3{font-size:17px;margin-bottom:6px;color:var(--ink);}
.token-card .price{font-size:26px;font-weight:800;color:var(--mint-deep);line-height:1.2;}
.token-card .price small{font-size:12.5px;font-weight:500;color:var(--muted);margin-left:4px;}
.token-card ul{list-style:none;margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.token-card ul li{font-size:13.6px;color:var(--ink-soft);display:flex;gap:8px;}
.token-card ul li::before{content:"·";color:var(--mint);font-weight:800;}

/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column;gap:14px;}
.review:hover{transform:translateY(-5px);box-shadow:0 24px 40px -26px rgba(21,143,116,.7);}
.review .quote{font-size:14px;color:var(--ink-soft);flex:1;}
.review-person{display:flex;align-items:center;gap:12px;}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#7bdcc0,#158f74);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:0 0 auto;}
.review-person b{display:block;font-size:14px;color:var(--ink);}
.review-person span{font-size:12.5px;color:var(--muted);}
.review .stars{font-size:14px;letter-spacing:2px;}

/* 问答 */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:box-shadow .3s,border-color .3s;}
.faq-item.active{border-color:#b6e8d8;box-shadow:0 18px 32px -26px rgba(21,143,116,.7);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 22px;background:none;border:none;cursor:pointer;font-size:15px;font-weight:600;color:var(--ink);text-align:left;font-family:inherit;}
.faq-q .icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--mint-soft);color:var(--mint-deep);display:flex;align-items:center;justify-content:center;font-size:17px;transition:transform .3s;}
.faq-item.active .faq-q .icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 22px 20px;font-size:14px;color:var(--ink-soft);}

/* 文章 & 百科 */
.article-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start;}
.article-list{display:flex;flex-direction:column;gap:12px;}
.article-item{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;transition:transform .28s,box-shadow .28s,border-color .28s;}
.article-item:hover{transform:translateX(4px);box-shadow:0 18px 30px -26px rgba(21,143,116,.7);border-color:#c3ebde;}
.article-dot{flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--mint);margin-top:9px;}
.article-item b{display:block;font-size:15px;color:var(--ink);margin-bottom:4px;font-weight:600;}
.article-item p{font-size:13.4px;color:var(--muted);}
.wiki-box{background:linear-gradient(160deg,#ffffff,#e9faf3);border:1px solid var(--line);border-radius:22px;padding:26px;}
.wiki-box h3{font-size:18px;margin-bottom:14px;color:var(--ink);}
.wiki-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px;}
.wiki-tags a{font-size:12.8px;padding:7px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-soft);transition:.25s;}
.wiki-tags a:hover{background:var(--mint-soft);color:var(--mint-deep);transform:translateY(-2px);}
.wiki-links{list-style:none;margin-top:14px;display:flex;flex-direction:column;gap:9px;}
.wiki-links li a{font-size:13.8px;color:var(--mint-deep);border-bottom:1px dashed #bfe9dc;padding-bottom:2px;transition:.25s;}
.wiki-links li a:hover{color:var(--ink);}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;transition:transform .3s,box-shadow .3s;text-align:center;}
.contact-card:hover{transform:translateY(-5px);box-shadow:0 22px 36px -26px rgba(21,143,116,.7);}
.contact-card h3{font-size:16px;margin-bottom:8px;color:var(--ink);}
.contact-card p{font-size:13.8px;color:var(--ink-soft);word-break:break-all;}
.contact-card img{width:150px;height:150px;object-fit:contain;margin:12px auto 0;border-radius:12px;border:1px solid var(--line);background:#fff;padding:6px;}
.contact-links{display:flex;flex-wrap:wrap;justify-content:center;gap:18px;margin-top:28px;font-size:14px;}
.contact-links a{color:var(--mint-deep);font-weight:600;transition:.25s;}
.contact-links a:hover{color:var(--ink);}

/* 加盟 */
.join-band{margin-top:28px;background:linear-gradient(120deg,#158f74,#2fbf9b);border-radius:24px;padding:36px;color:#fff;display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:center;box-shadow:0 30px 50px -30px rgba(21,143,116,.9);}
.join-band h2{font-size:26px;line-height:1.3;margin-bottom:10px;color:#fff;}
.join-band p{font-size:14.5px;color:rgba(255,255,255,.92);max-width:620px;}
.join-band .btn{background:#fff;color:var(--mint-deep);}
.join-band .btn:hover{background:#eafaf4;}

/* 友情链接 & footer */
.friend-links{padding:44px 0 6px;}
.friend-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 24px;}
.friend-box h3{font-size:15px;color:var(--ink);margin-bottom:14px;}
.friend-tags{display:flex;flex-wrap:wrap;gap:10px;}
.friend-tags a{font-size:13px;padding:7px 14px;border-radius:9px;background:var(--mint-pale);border:1px solid var(--line);color:var(--ink-soft);transition:.25s;}
.friend-tags a:hover{background:var(--mint-soft);color:var(--mint-deep);transform:translateY(-2px);}
.site-footer{background:#0f2b25;color:#cfe7df;margin-top:30px;padding:44px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;}
.footer-brand{display:flex;flex-direction:column;gap:12px;}
.footer-brand .ai-page-logo{height:34px;width:auto;max-width:150px;object-fit:contain;}
.footer-brand p{font-size:13.5px;color:#a9c9bf;line-height:1.8;}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:14px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px;}
.footer-col ul li a{font-size:13.4px;color:#a9c9bf;transition:.25s;}
.footer-col ul li a:hover{color:#7bdcc0;}
.footer-bottom{margin-top:30px;padding-top:20px;border-top:1px solid #1e3f37;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.8px;color:#8fb3a8;}
.footer-bottom a{color:#a9c9bf;}
.footer-bottom a:hover{color:#7bdcc0;}

/* 浮动 */
.float-stack{position:fixed;right:18px;bottom:22px;z-index:200;display:flex;flex-direction:column;gap:10px;}
.float-btn{width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--mint-deep);display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;box-shadow:0 14px 26px -14px rgba(21,143,116,.7);transition:transform .25s,background .25s,opacity .25s,visibility .25s;}
.float-btn:hover{transform:translateY(-3px);background:var(--mint-soft);}
.float-btn.hidden{opacity:0;visibility:hidden;}
.qr-pop{position:fixed;right:78px;bottom:22px;z-index:210;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow);display:none;}
.qr-pop.show{display:block;animation:fadeUp .3s ease;}
.qr-pop img{width:140px;height:140px;object-fit:contain;border-radius:10px;}
.qr-pop p{font-size:12px;color:var(--muted);text-align:center;margin-top:6px;}

/* 滚动渐入 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}

/* 响应式 */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero h1{font-size:36px;}
  .about-grid,.network,.match-wrap,.article-layout{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .svc-grid,.case-grid,.review-grid,.token-grid,.contact-grid{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px 22px 18px;box-shadow:0 20px 30px -24px rgba(21,143,116,.6);}
  .nav-links.open{display:flex;}
  .nav-links a{padding:11px 12px;}
  .menu-toggle{display:flex;}
  .nav-actions .btn-ghost{display:none;}
}
@media (max-width:640px){
  section{padding:48px 0;}
  .hero{padding:48px 0 42px;}
  .hero h1{font-size:29px;}
  .section-head h2{font-size:24px;}
  .stats{grid-template-columns:1fr;}
  .svc-grid,.case-grid,.review-grid,.token-grid,.contact-grid,.solution-grid,.flow,.net-side{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .join-band{padding:26px;}
  .compare-top{padding:20px;}
  .score-num{font-size:38px;}
  .float-stack{right:12px;bottom:14px;}
  .qr-pop{right:70px;bottom:14px;}
  .hero-cta .btn{width:100%;}
  .nav-actions .btn-primary{padding:9px 16px;font-size:13px;}
}