:root{
  --c1:#ff4e8e;
  --c2:#ff8a3d;
  --c3:#ffd23f;
  --c4:#22d3a6;
  --c5:#3d8bff;
  --c6:#8b5cf6;
  --ink:#1c2030;
  --ink2:#4a5169;
  --ink3:#7b8299;
  --bg:#fffdfa;
  --bg2:#fff5f0;
  --line:#f0e6e2;
  --shadow:0 8px 30px rgba(255,78,142,.10);
  --shadow-h:0 16px 44px rgba(255,78,142,.20);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{max-width:1220px;margin:0 auto;padding:0 20px}
section{padding:76px 0;position:relative}
.sec-head{text-align:center;max-width:800px;margin:0 auto 48px}
.sec-tag{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  padding:6px 18px;
  border-radius:999px;
  background:linear-gradient(90deg,#ffe3ee,#fff0d6);
  color:var(--c1);
  margin-bottom:16px;
}
.sec-head h2{
  font-size:clamp(24px,3.4vw,38px);
  line-height:1.25;
  letter-spacing:-.5px;
  margin-bottom:14px;
}
.sec-head p{color:var(--ink2);font-size:16px}

/* ===== 顶部导航 ===== */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,253,250,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand .ai-page-logo{height:40px;width:auto}
.brand-text{font-weight:800;font-size:18px;background:linear-gradient(90deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap}
.nav-links a{
  font-size:14.5px;font-weight:600;color:var(--ink2);
  padding:8px 11px;border-radius:10px;white-space:nowrap;
  transition:.25s;
}
.nav-links a:hover{color:var(--c1);background:#fff0f5}
.nav-cta{
  display:flex;gap:10px;align-items:center;flex-shrink:0;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;cursor:pointer;border:none;
  border-radius:12px;padding:12px 26px;transition:.28s;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--c1),var(--c2));
  color:#fff;box-shadow:0 6px 18px rgba(255,78,142,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,78,142,.45)}
.btn-ghost{background:#fff;color:var(--c1);border:1.5px solid #ffc9dc}
.btn-ghost:hover{background:#fff0f5;transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.menu-toggle{
  display:none;background:#fff;border:1px solid var(--line);border-radius:10px;
  width:44px;height:44px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-toggle span{display:block;width:20px;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;
  background:
    radial-gradient(circle at 12% 18%,rgba(255,78,142,.16),transparent 46%),
    radial-gradient(circle at 88% 12%,rgba(61,139,255,.14),transparent 42%),
    radial-gradient(circle at 78% 88%,rgba(34,211,166,.14),transparent 48%),
    linear-gradient(160deg,#fff8f3 0%,#fffdfa 55%,#f4f8ff 100%);
  padding:84px 0 90px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,78,142,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,78,142,.05) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(circle at 50% 40%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 20%,transparent 78%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid #ffd9e5;border-radius:999px;
  padding:7px 16px;font-size:13.5px;font-weight:700;color:var(--c1);
  box-shadow:0 4px 14px rgba(255,78,142,.12);margin-bottom:22px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--c4);box-shadow:0 0 0 4px rgba(34,211,166,.2);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.25)}}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.18;letter-spacing:-1px;font-weight:800;margin-bottom:22px;
}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--c1),var(--c2) 55%,var(--c5));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--ink2);max-width:560px;margin-bottom:30px}
.hero-sub b{color:var(--ink);font-weight:700}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.btn-lg{padding:16px 38px;font-size:17px;border-radius:14px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.hero-stat{
  background:rgba(255,255,255,.85);border:1px solid var(--line);
  border-radius:14px;padding:14px 20px;min-width:118px;
  transition:.3s;
}
.hero-stat:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.hero-stat b{display:block;font-size:23px;background:linear-gradient(90deg,var(--c1),var(--c5));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.hero-stat span{font-size:12.5px;color:var(--ink3)}
.hero-visual{position:relative;height:100%;display:flex;align-items:center;justify-content:center}
.orbit{
  position:relative;width:min(420px,100%);aspect-ratio:1/1;
  display:flex;align-items:center;justify-content:center;
}
.orbit-core{
  width:44%;aspect-ratio:1/1;border-radius:50%;
  background:linear-gradient(135deg,var(--c1),var(--c2) 55%,var(--c3));
  display:flex;align-items:center;justify-content:center;flex-direction:column;
  color:#fff;font-weight:800;letter-spacing:.5px;
  box-shadow:0 20px 50px rgba(255,78,142,.35);
  animation:float 5s ease-in-out infinite;
}
.orbit-core small{font-size:11px;opacity:.9;font-weight:600;letter-spacing:2px}
.orbit-core strong{font-size:20px}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.orbit-ring{position:absolute;border-radius:50%;border:1.5px dashed rgba(255,78,142,.28)}
.ring1{inset:8%;animation:spin 26s linear infinite}
.ring2{inset:0;border-color:rgba(61,139,255,.22);animation:spin 40s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.node{
  position:absolute;background:#fff;border-radius:12px;padding:7px 14px;
  font-size:13px;font-weight:700;color:var(--ink2);
  box-shadow:0 6px 18px rgba(28,32,48,.10);border:1px solid var(--line);
  white-space:nowrap;
}
.n1{top:2%;left:50%;transform:translateX(-50%);color:var(--c1)}
.n2{top:24%;right:-4%;color:var(--c5)}
.n3{bottom:22%;right:-2%;color:var(--c4)}
.n4{bottom:2%;left:50%;transform:translateX(-50%);color:var(--c2)}
.n5{bottom:22%;left:-4%;color:var(--c6)}
.n6{top:24%;left:-4%;color:var(--c1)}

/* ===== 通用模块 ===== */
.bg-soft{background:linear-gradient(180deg,#fff7f2,#fffdfa)}
.bg-blue{background:linear-gradient(180deg,#f4f8ff,#fffdfa)}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.show{opacity:1;transform:none}

/* 数据指标 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 24px;text-align:center;transition:.32s;position:relative;overflow:hidden;
}
.metric::after{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:linear-gradient(90deg,var(--c1),var(--c2))}
.metric:hover{transform:translateY(-6px);box-shadow:var(--shadow-h);border-color:#ffd9e5}
.metric b{font-size:34px;font-weight:800;background:linear-gradient(90deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent;display:block;line-height:1.2}
.metric span{color:var(--ink2);font-size:14px}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-text h3{font-size:26px;margin-bottom:16px;letter-spacing:-.4px}
.about-text p{color:var(--ink2);margin-bottom:14px}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}
.about-point{
  display:flex;gap:10px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:14px 16px;transition:.3s;font-size:14px;font-weight:600;
}
.about-point:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#ffd9e5}
.about-point .ic{width:26px;height:26px;border-radius:8px;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;background:linear-gradient(135deg,var(--c1),var(--c2))}
.about-media{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-media .ai-page-image{border-radius:16px;box-shadow:var(--shadow);transition:.4s}
.about-media .ai-page-image:hover{transform:scale(1.03)}
.about-media .wide{grid-column:span 2}

/* 服务卡片 */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;transition:.34s;position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:-40px;right:-40px;width:120px;height:120px;border-radius:50%;
  background:linear-gradient(135deg,rgba(255,78,142,.12),rgba(61,139,255,.10));transition:.4s;
}
.card:hover{transform:translateY(-7px);box-shadow:var(--shadow-h);border-color:#ffd9e5}
.card:hover::before{transform:scale(1.6)}
.card-ic{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:23px;color:#fff;margin-bottom:18px;position:relative;z-index:1;
  background:linear-gradient(135deg,var(--c1),var(--c2));box-shadow:0 8px 20px rgba(255,78,142,.28);
}
.card:nth-child(3n+2) .card-ic{background:linear-gradient(135deg,var(--c5),var(--c6));box-shadow:0 8px 20px rgba(61,139,255,.28)}
.card:nth-child(3n) .card-ic{background:linear-gradient(135deg,var(--c4),var(--c5));box-shadow:0 8px 20px rgba(34,211,166,.28)}
.card h3{font-size:18px;margin-bottom:10px;position:relative;z-index:1}
.card p{font-size:14px;color:var(--ink2);position:relative;z-index:1}

/* 应用场景标签 */
.scene-wrap{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:1050px;margin:0 auto}
.scene-tag{
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:10px 20px;font-size:14px;font-weight:600;color:var(--ink2);transition:.28s;cursor:default;
}
.scene-tag:hover{color:#fff;background:linear-gradient(120deg,var(--c1),var(--c2));border-color:transparent;transform:translateY(-3px);box-shadow:var(--shadow)}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 24px;position:relative;transition:.32s;
}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.step-num{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#fff;font-size:18px;margin-bottom:16px;
  background:linear-gradient(135deg,var(--c1),var(--c2));
}
.step:nth-child(2) .step-num{background:linear-gradient(135deg,var(--c2),var(--c3));color:#7a4a00}
.step:nth-child(3) .step-num{background:linear-gradient(135deg,var(--c5),var(--c6))}
.step:nth-child(4) .step-num{background:linear-gradient(135deg,var(--c4),var(--c5))}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink2)}

/* 时间线 */
.timeline{position:relative;max-width:900px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:10px;top:6px;bottom:6px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--c1),var(--c5),var(--c4))}
.tl-item{position:relative;margin-bottom:30px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:4px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:4px solid var(--c1);box-shadow:0 0 0 4px rgba(255,78,142,.14);
}
.tl-item:nth-child(2n)::before{border-color:var(--c5);box-shadow:0 0 0 4px rgba(61,139,255,.14)}
.tl-item h4{font-size:17px;margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--ink2)}

/* 服务网络 */
.net-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.net-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:.32s;
}
.net-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-h);border-color:#ffd9e5}
.net-card .region{font-weight:800;font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.net-card .region::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c4);box-shadow:0 0 0 4px rgba(34,211,166,.2)}
.net-card p{font-size:14px;color:var(--ink2)}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{
  border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);
  transition:.36s;
}
.case:hover{transform:translateY(-7px);box-shadow:var(--shadow-h)}
.case-img{overflow:hidden;aspect-ratio:4/3;background:#f7f2ef}
.case-img img{width:100%;height:100%;object-fit:cover;transition:.5s}
.case:hover .case-img img{transform:scale(1.06)}
.case-body{padding:22px}
.case-body span{font-size:12.5px;font-weight:700;color:var(--c1);letter-spacing:.06em}
.case-body h3{font-size:17px;margin:8px 0 8px}
.case-body p{font-size:14px;color:var(--ink2)}

/* 对比评测 */
.rate-hero{
  display:grid;grid-template-columns:280px 1fr;gap:30px;align-items:stretch;margin-bottom:36px;
}
.rate-score{
  background:linear-gradient(150deg,var(--c1),var(--c2) 60%,var(--c3));
  border-radius:22px;padding:34px 26px;color:#fff;text-align:center;
  display:flex;flex-direction:column;justify-content:center;box-shadow:0 18px 40px rgba(255,78,142,.32);
}
.rate-score .big{font-size:62px;font-weight:800;line-height:1;letter-spacing:-2px}
.rate-score .big small{font-size:22px;font-weight:600;opacity:.85}
.rate-score .stars{font-size:22px;letter-spacing:3px;margin:12px 0 10px;color:#fff3b0}
.rate-score .lbl{font-size:14px;opacity:.95;font-weight:600}
.rate-summary{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px 32px;
  display:flex;flex-direction:column;justify-content:center;
}
.rate-summary h3{font-size:22px;margin-bottom:12px}
.rate-summary p{color:var(--ink2);font-size:15px;margin-bottom:10px}
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:720px}
thead th{
  background:linear-gradient(120deg,#fff0f5,#fff6ec);
  font-size:14px;font-weight:800;color:var(--ink);text-align:left;
  padding:16px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{padding:15px 18px;font-size:14px;color:var(--ink2);border-bottom:1px solid #f7efec}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fffaf7}
td.hl{color:var(--c1);font-weight:700}
.tag-yes{display:inline-block;background:#e6fbf3;color:#0a9c72;font-weight:700;font-size:12.5px;padding:3px 12px;border-radius:999px}
.tag-mid{display:inline-block;background:#fff5e0;color:#c47f00;font-weight:700;font-size:12.5px;padding:3px 12px;border-radius:999px}

/* 价格参考 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;transition:.34s;position:relative;
}
.price-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-h)}
.price-card.hot{border:2px solid var(--c1);box-shadow:0 16px 40px rgba(255,78,142,.18)}
.hot-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:linear-gradient(90deg,var(--c1),var(--c2));color:#fff;font-size:12px;font-weight:700;
  padding:4px 16px;border-radius:999px;white-space:nowrap;
}
.price-card h3{font-size:18px;margin-bottom:6px}
.price-card .desc{font-size:13.5px;color:var(--ink3);margin-bottom:18px}
.price-card .price{font-size:36px;font-weight:800;color:var(--c1);line-height:1.1;margin-bottom:4px}
.price-card .price small{font-size:14px;color:var(--ink3);font-weight:600}
.price-list{margin:20px 0 24px}
.price-list li{font-size:14px;color:var(--ink2);padding:7px 0 7px 24px;position:relative}
.price-list li::before{content:"✓";position:absolute;left:0;color:var(--c4);font-weight:800}
.price-card .btn{width:100%}

/* Token比价卡片 */
.token-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.token-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;transition:.3s;
}
.token-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#ffd9e5}
.token-item .name{font-weight:800;font-size:15px;margin-bottom:10px}
.token-item .bar{height:8px;border-radius:6px;background:#f4ece8;overflow:hidden;margin-bottom:10px}
.token-item .bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--c4),var(--c5))}
.token-item .price-txt{font-size:13px;color:var(--ink2)}
.token-item .price-txt b{color:var(--c1);font-size:15px}

/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:.32s;display:flex;flex-direction:column;
}
.review:hover{transform:translateY(-6px);box-shadow:var(--shadow-h);border-color:#ffd9e5}
.review .rv-stars{color:#ffb020;font-size:14px;letter-spacing:2px;margin-bottom:12px}
.review p{font-size:14.5px;color:var(--ink2);flex:1;margin-bottom:18px}
.review .rv-user{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:16px;
  background:linear-gradient(135deg,var(--c1),var(--c2));
}
.review:nth-child(3n+2) .avatar{background:linear-gradient(135deg,var(--c5),var(--c6))}
.review:nth-child(3n) .avatar{background:linear-gradient(135deg,var(--c4),var(--c5))}
.rv-user b{display:block;font-size:14.5px}
.rv-user span{font-size:12.5px;color:var(--ink3)}

/* FAQ */
.faq-list{max-width:920px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.3s}
.faq-item.active{border-color:#ffc9dc;box-shadow:var(--shadow)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:inherit;
}
.faq-q .plus{
  width:28px;height:28px;flex-shrink:0;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:#fff0f5;color:var(--c1);font-size:18px;transition:.35s;font-weight:400;
}
.faq-item.active .plus{transform:rotate(45deg);background:linear-gradient(135deg,var(--c1),var(--c2));color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{padding:0 24px 22px;font-size:14.5px;color:var(--ink2)}

/* 文章列表 */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.article{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:.32s;display:flex;flex-direction:column;
}
.article:hover{transform:translateY(-6px);box-shadow:var(--shadow-h);border-color:#ffd9e5}
.article .at-cat{font-size:12.5px;font-weight:700;color:var(--c5);margin-bottom:10px}
.article h3{font-size:16.5px;line-height:1.5;margin-bottom:10px}
.article p{font-size:14px;color:var(--ink2);flex:1;margin-bottom:16px}
.article .at-link{font-size:14px;font-weight:700;color:var(--c1)}

/* 表单 */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:start}
.contact-info h3{font-size:26px;margin-bottom:14px}
.contact-info>p{color:var(--ink2);margin-bottom:26px}
.contact-list{display:flex;flex-direction:column;gap:14px}
.contact-item{
  display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:16px 20px;transition:.3s;
}
.contact-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#ffd9e5}
.contact-item .ci-ic{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;background:linear-gradient(135deg,var(--c1),var(--c2));
}
.contact-item b{display:block;font-size:14px}
.contact-item span{font-size:13.5px;color:var(--ink3)}
.qr-box{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;text-align:center}
.qr-box img{width:160px;height:160px;object-fit:contain;margin:0 auto 10px;border-radius:12px}
.qr-box p{font-size:13.5px;color:var(--ink2);font-weight:600}

.form-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:36px 34px;box-shadow:var(--shadow)}
.form-card h3{font-size:22px;margin-bottom:6px}
.form-card .fc-sub{font-size:14px;color:var(--ink3);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px;color:var(--ink)}
.field label .req{color:var(--c1)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;border:1.5px solid var(--line);border-radius:11px;
  font-size:14.5px;font-family:inherit;color:var(--ink);background:#fffdfb;transition:.25s;outline:none;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c1);background:#fff;box-shadow:0 0 0 4px rgba(255,78,142,.10)}
.field textarea{resize:vertical;min-height:110px}
.form-card .btn{width:100%;margin-top:6px}
.form-note{font-size:12.5px;color:var(--ink3);margin-top:14px;text-align:center}

/* 加盟代理 */
.join-banner{
  border-radius:26px;padding:60px 50px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#ff4e8e 0%,#ff8a3d 55%,#ffd23f 100%);
  color:#fff;display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center;
}
.join-banner::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.join-banner::after{
  content:"";position:absolute;left:-60px;bottom:-90px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.10);
}
.join-banner h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;position:relative;z-index:1;letter-spacing:-.5px}
.join-banner p{font-size:16px;opacity:.95;margin-bottom:26px;position:relative;z-index:1;max-width:600px}
.join-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}
.btn-white{background:#fff;color:var(--c1)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.btn-outline-w{background:rgba(255,255,255,.16);color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-outline-w:hover{background:rgba(255,255,255,.28);transform:translateY(-2px)}
.join-points{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px}
.join-points div{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);border-radius:14px;padding:14px 18px;font-size:14.5px;font-weight:600;backdrop-filter:blur(6px)}

/* 友情链接 */
.links-cloud{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.links-cloud a{
  font-size:14px;color:var(--ink2);background:#fff;border:1px solid var(--line);
  padding:8px 18px;border-radius:999px;transition:.28s;font-weight:600;
}
.links-cloud a:hover{color:#fff;background:linear-gradient(120deg,var(--c1),var(--c2));border-color:transparent;transform:translateY(-3px);box-shadow:var(--shadow)}

/* 页脚 */
.footer{background:#1b1f2e;color:#b9bfd0;padding:64px 0 0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer .brand-text{color:#fff;background:none;-webkit-text-fill-color:#fff}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer p{font-size:13.5px;color:#9aa1b6;margin-bottom:12px;line-height:1.8}
.footer ul li{margin-bottom:10px}
.footer ul a{font-size:13.5px;color:#9aa1b6;transition:.25s}
.footer ul a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center;font-size:13px;color:#7c8399}

/* 浮动客服 */
.float-btn{
  position:fixed;right:24px;z-index:200;width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 10px 24px rgba(255,78,142,.35);border:none;color:#fff;
  transition:.3s;font-size:22px;
}
.float-service{bottom:96px;background:linear-gradient(135deg,var(--c1),var(--c2))}
.float-service:hover{transform:scale(1.1) translateY(-2px)}
.float-top{bottom:30px;background:linear-gradient(135deg,var(--c5),var(--c6));opacity:0;pointer-events:none}
.float-top.show{opacity:1;pointer-events:auto}
.float-top:hover{transform:translateY(-4px)}
.service-pop{
  position:fixed;right:24px;bottom:160px;z-index:210;width:250px;background:#fff;
  border-radius:18px;border:1px solid var(--line);box-shadow:0 20px 50px rgba(28,32,48,.18);
  padding:20px;text-align:center;opacity:0;transform:translateY(14px) scale(.96);pointer-events:none;transition:.32s;
}
.service-pop.show{opacity:1;transform:none;pointer-events:auto}
.service-pop img{width:150px;height:150px;object-fit:contain;margin:0 auto 10px;border-radius:12px}
.service-pop b{display:block;font-size:14px;margin-bottom:4px}
.service-pop span{font-size:12.5px;color:var(--ink3)}
.service-pop .close-pop{position:absolute;top:8px;right:12px;border:none;background:none;font-size:18px;color:var(--ink3);cursor:pointer}

/* 响应式 */
@media(max-width:1080px){
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .nav-links.mobile-open{
    display:flex;flex-direction:column;align-items:stretch;
    position:absolute;top:70px;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--line);padding:14px 20px;gap:0;
    box-shadow:0 18px 34px rgba(28,32,48,.10);
  }
  .nav-links.mobile-open a{padding:12px 8px;border-radius:10px}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:440px;margin:0 auto;width:100%}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .net-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:repeat(3,1fr)}
  .token-grid{grid-template-columns:repeat(2,1fr)}
  .article-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:34px}
  .about-grid{grid-template-columns:1fr;gap:34px}
  .rate-hero{grid-template-columns:1fr}
  .join-banner{grid-template-columns:1fr;padding:44px 32px}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:720px){
  section{padding:56px 0}
  .nav-cta .btn-ghost{display:none}
  .nav-cta .btn-primary{padding:10px 18px;font-size:13.5px}
  .brand-text{font-size:16px}
  .hero{padding:56px 0 64px}
  .hero-actions .btn{width:100%}
  .hero-stat{flex:1 1 calc(50% - 14px);min-width:0}
  .metrics{grid-template-columns:repeat(2,1fr);gap:14px}
  .metric{padding:22px 14px}
  .metric b{font-size:26px}
  .cards,.steps,.net-grid,.case-grid,.review-grid,.price-grid,.token-grid,.article-grid{grid-template-columns:1fr}
  .about-points{grid-template-columns:1fr}
  .about-media{grid-template-columns:1fr}
  .about-media .wide{grid-column:auto}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:26px 20px}
  .join-banner{padding:36px 24px}
  .join-actions .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
  .float-btn{right:16px;width:48px;height:48px}
  .service-pop{right:16px;width:230px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}