*{margin:0;padding:0;box-sizing:border-box}
:root{
  --blue:#1652d8;
  --blue-deep:#0b2a6b;
  --blue-light:#e8efff;
  --blue-mid:#3a72f0;
  --cyan:#00b8d9;
  --ink:#101731;
  --ink-soft:#3f4a63;
  --muted:#6b7690;
  --line:#dfe6f5;
  --bg:#f4f7fe;
  --white:#ffffff;
  --radius:16px;
  --shadow:0 10px 30px rgba(16,42,107,.08);
  --shadow-hover:0 18px 42px rgba(16,42,107,.16);
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, #dce7ff 0%, rgba(220,231,255,0) 60%),
    radial-gradient(900px 500px at 0% 20%, #e6f5ff 0%, rgba(230,245,255,0) 55%),
    linear-gradient(180deg,#f4f7fe 0%,#eef3fd 40%,#f5f8ff 100%);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
section{padding:72px 0}
h1,h2,h3,h4{line-height:1.3;color:var(--ink);font-weight:800}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--blue);background:var(--blue-light);
  padding:6px 14px;border-radius:99px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue)}
.section-title{font-size:clamp(24px,3.4vw,36px);margin-bottom:14px}
.section-desc{color:var(--ink-soft);font-size:15.5px;max-width:760px}
.section-head{margin-bottom:40px}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:68px;flex-wrap:nowrap;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{width:38px;height:38px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:800;font-size:17px;color:var(--blue-deep)}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.14em}
.nav-links{display:flex;align-items:center;gap:0;list-style:none}
.nav-links a{
  display:block;padding:8px 13px;font-size:14.5px;font-weight:600;
  color:var(--ink-soft);border-radius:8px;transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--blue);background:var(--blue-light)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:14.5px;border-radius:10px;cursor:pointer;
  padding:11px 22px;border:none;transition:transform .2s,box-shadow .2s,background .2s;
  white-space:nowrap;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,#2f6bff,#0b3fd1);
  box-shadow:0 8px 20px rgba(22,82,216,.3);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(22,82,216,.4)}
.btn-ghost{
  color:var(--blue);background:#fff;border:1.5px solid #c9d8f8;
}
.btn-ghost:hover{background:var(--blue-light);transform:translateY(-2px)}
.btn-light{color:var(--blue);background:#fff;box-shadow:0 8px 20px rgba(0,0,0,.14)}
.btn-light:hover{transform:translateY(-2px)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1.5px solid var(--line);
  background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.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;color:#fff;
  background:
    radial-gradient(900px 480px at 88% 8%, rgba(0,184,217,.45) 0%, rgba(0,184,217,0) 60%),
    radial-gradient(700px 500px at 6% 96%, rgba(58,114,240,.55) 0%, rgba(58,114,240,0) 60%),
    linear-gradient(135deg,#0a2a7a 0%,#123fc9 52%,#1b5bff 100%);
  padding:84px 0 90px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 50% 40%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 40%,#000 30%,transparent 78%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  right:-160px;top:-200px;
  background:radial-gradient(circle,rgba(0,220,255,.32),rgba(0,220,255,0) 68%);
  animation:floatGlow 9s ease-in-out infinite;
  pointer-events:none;
}
@keyframes floatGlow{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(-24px,26px,0) scale(1.08)}}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  padding:7px 15px;border-radius:99px;margin-bottom:22px;color:#eaf2ff;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:#4cf5c8;box-shadow:0 0 10px #4cf5c8}
.hero h1{
  color:#fff;font-size:clamp(30px,4.4vw,50px);letter-spacing:-.01em;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:#7ff0ff}
.hero-lead{font-size:16.5px;color:#d3e0ff;max-width:600px;margin-bottom:30px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;list-style:none}
.hero-tags li{
  font-size:13px;font-weight:600;color:#cfe0ff;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  padding:6px 13px;border-radius:8px;
}
.hero-panel{
  position:relative;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.24);border-radius:20px;
  padding:26px;backdrop-filter:blur(8px);
  box-shadow:0 24px 60px rgba(2,16,60,.35);
  animation:riseIn .9s cubic-bezier(.2,.7,.3,1) both;
}
.hero-panel h2{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;letter-spacing:.02em}
.hero-metrics{display:grid;grid-template-columns:1fr 1fr;gap:14px;list-style:none}
.hero-metrics li{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
  border-radius:12px;padding:14px 16px;transition:transform .25s,background .25s;
}
.hero-metrics li:hover{transform:translateY(-3px);background:rgba(255,255,255,.2)}
.hero-metrics b{display:block;font-size:22px;color:#fff;line-height:1.2}
.hero-metrics span{font-size:12.5px;color:#c6d8ff}
.hero-strip{
  margin-top:24px;display:flex;flex-wrap:wrap;gap:8px;
  font-size:12.5px;color:#bcd1ff;border-top:1px dashed rgba(255,255,255,.24);padding-top:16px;
}
.hero-strip span{padding:3px 10px;background:rgba(0,0,0,.16);border-radius:6px}

@keyframes riseIn{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}

/* ===== 通用卡片 ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* 平台介绍 */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.about-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow);
}
.about-card h3{font-size:20px;margin-bottom:12px;color:var(--blue-deep)}
.about-card p{color:var(--ink-soft);font-size:15px;margin-bottom:16px}
.about-list{list-style:none;display:grid;gap:12px}
.about-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-soft);
  padding:12px 14px;background:#f7faff;border-radius:10px;border:1px solid #e9f0fd;
  transition:transform .25s,box-shadow .25s;
}
.about-list li:hover{transform:translateX(4px);box-shadow:0 8px 18px rgba(22,82,216,.08)}
.about-list b{color:var(--blue);flex-shrink:0}
.about-visual{
  background:linear-gradient(150deg,#0d2f8f,#1b5bff 70%,#2b8bff);
  border-radius:var(--radius);padding:32px;color:#fff;position:relative;overflow:hidden;
  box-shadow:0 20px 44px rgba(13,47,143,.3);
}
.about-visual::after{
  content:"";position:absolute;width:260px;height:260px;border-radius:50%;
  right:-90px;bottom:-110px;background:radial-gradient(circle,rgba(0,220,255,.4),transparent 70%);
}
.about-visual h3{color:#fff;font-size:20px;margin-bottom:14px}
.about-visual p{color:#d3e0ff;font-size:14.5px;margin-bottom:20px;position:relative;z-index:2}
.about-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;z-index:2}
.about-mini div{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  border-radius:10px;padding:12px 14px;
}
.about-mini strong{display:block;font-size:16px;color:#fff}
.about-mini span{font-size:12px;color:#c3d5ff}

/* 数据指标 */
.metrics-band{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:32px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;
}
.metric b{display:block;font-size:clamp(24px,3vw,34px);color:var(--blue);line-height:1.15}
.metric span{font-size:13.5px;color:var(--muted)}

/* 服务能力 */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .28s,box-shadow .28s,border-color .28s;
  display:flex;flex-direction:column;gap:10px;
}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#c5d8ff}
.svc-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e8efff,#d6e6ff);color:var(--blue);font-weight:800;font-size:15px;
}
.svc-card h3{font-size:17px}
.svc-card p{font-size:14px;color:var(--ink-soft);flex:1}

/* 一站式制作 */
.flow-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;list-style:none;counter-reset:flow}
.flow-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;box-shadow:var(--shadow);position:relative;
  transition:transform .28s,box-shadow .28s;
}
.flow-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.flow-item::before{
  counter-increment:flow;content:counter(flow,decimal-leading-zero);
  font-size:13px;font-weight:800;color:var(--blue);
  background:var(--blue-light);padding:3px 10px;border-radius:99px;display:inline-block;margin-bottom:12px;
}
.flow-item h3{font-size:16px;margin-bottom:8px}
.flow-item p{font-size:13.5px;color:var(--ink-soft)}

/* 行业方案 */
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.sol-item{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);transition:transform .28s,box-shadow .28s;
}
.sol-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.sol-num{
  flex-shrink:0;width:40px;height:40px;border-radius:11px;
  background:linear-gradient(135deg,#1b5bff,#0b3fd1);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
}
.sol-item h3{font-size:16px;margin-bottom:6px}
.sol-item p{font-size:13.8px;color:var(--ink-soft)}

/* 服务网络 & 时间线 */
.net-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.net-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
}
.net-panel h3{font-size:18px;margin-bottom:16px;color:var(--blue-deep)}
.chip-cloud{display:flex;flex-wrap:wrap;gap:10px;list-style:none}
.chip-cloud li{
  font-size:13px;font-weight:600;color:var(--blue);
  background:var(--blue-light);padding:7px 14px;border-radius:99px;
  transition:transform .2s,background .2s;
}
.chip-cloud li:hover{transform:translateY(-2px);background:#d5e3ff}
.timeline{list-style:none;position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(#2f6bff,#9cc0ff)}
.timeline li{position:relative;padding-bottom:22px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-26px;top:6px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--blue);
}
.timeline h4{font-size:15px;margin-bottom:4px}
.timeline p{font-size:13.5px;color:var(--ink-soft)}

/* 案例中心 */
.case-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:start}
.case-feature{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .28s,box-shadow .28s;
}
.case-feature:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.case-media{background:#eef3fd;padding:14px}
.case-media img{width:100%;height:auto;border-radius:10px;object-fit:cover}
.case-body{padding:22px}
.case-body h3{font-size:18px;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--ink-soft);margin-bottom:14px}
.case-side{display:grid;gap:20px}
.case-small{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .28s,box-shadow .28s;
}
.case-small:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.case-small .case-media{padding:10px}
.case-small .case-body{padding:18px}
.case-small h3{font-size:16px;margin-bottom:6px}
.case-small p{font-size:13.5px;color:var(--ink-soft)}
.square-wrap{display:grid;grid-template-columns:130px 1fr;gap:16px;align-items:center}
.square-wrap img{width:130px;height:130px;object-fit:cover;border-radius:10px}

/* 对比评测 */
.compare-head{
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between;
  background:linear-gradient(135deg,#0d2f8f,#1b5bff);
  border-radius:20px;padding:28px 32px;color:#fff;margin-bottom:26px;
  box-shadow:0 20px 44px rgba(13,47,143,.28);
}
.compare-head h2{color:#fff;font-size:clamp(20px,2.6vw,28px)}
.compare-head p{color:#cfe0ff;font-size:14px;margin-top:6px}
.score-box{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.score-num{font-size:44px;font-weight:800;line-height:1;color:#7ff0ff}
.score-num small{font-size:16px;color:#cfe0ff;font-weight:600}
.stars{display:flex;gap:4px;color:#ffd45e;font-size:18px;letter-spacing:2px}
.score-meta span{display:block;font-size:13px;color:#cfe0ff}
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:680px}
table.compare th,table.compare td{
  text-align:left;padding:15px 18px;font-size:14px;border-bottom:1px solid var(--line);
}
table.compare thead th{
  background:#f2f6ff;color:var(--blue-deep);font-weight:800;font-size:14px;white-space:nowrap;
}
table.compare thead th:nth-child(2){color:var(--blue)}
table.compare tbody tr{transition:background .2s}
table.compare tbody tr:hover{background:#f8fbff}
table.compare td:first-child{font-weight:700;color:var(--ink)}
table.compare td:nth-child(2){color:var(--blue);font-weight:700}
table.compare td:nth-child(3){color:var(--muted)}
.badge-good{display:inline-block;background:#e3f7ee;color:#0d8a4f;font-size:12px;font-weight:700;padding:2px 9px;border-radius:99px}

/* Token比价卡片 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform .28s,box-shadow .28s;
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.price-card.featured{border:2px solid var(--blue);background:linear-gradient(180deg,#f7faff,#fff)}
.price-tag{
  display:inline-block;font-size:12px;font-weight:700;color:var(--blue);
  background:var(--blue-light);padding:4px 12px;border-radius:99px;margin-bottom:14px;
}
.price-card h3{font-size:18px;margin-bottom:6px}
.price-card .p-sub{font-size:13px;color:var(--muted);margin-bottom:16px}
.price-card .amount{font-size:30px;font-weight:800;color:var(--blue);line-height:1.2;margin-bottom:16px}
.price-card .amount small{font-size:13px;color:var(--muted);font-weight:600}
.price-list{list-style:none;display:grid;gap:9px;margin-bottom:20px}
.price-list li{font-size:13.5px;color:var(--ink-soft);display:flex;gap:8px}
.price-list li::before{content:"✓";color:var(--blue);font-weight:800}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:0 6px 18px rgba(16,42,107,.05);overflow:hidden;
  transition:border-color .25s,box-shadow .25s;
}
.faq-item.open{border-color:#b9d0ff;box-shadow:0 12px 26px rgba(16,42,107,.1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:none;cursor:pointer;
  font-size:15.5px;font-weight:700;color:var(--ink);text-align:left;font-family:inherit;
}
.faq-q:hover{color:var(--blue)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;background:var(--blue-light);
  color:var(--blue);display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;transition:transform .3s,background .3s,color .3s;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--blue);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--ink-soft)}

/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;
  transition:transform .28s,box-shadow .28s;
}
.review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.review-stars{color:#f5a623;font-size:14px;letter-spacing:2px}
.review-text{font-size:14.5px;color:var(--ink-soft);flex:1}
.review-user{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:14px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,#2f6bff,#0b3fd1);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.review-user b{display:block;font-size:14px;color:var(--ink)}
.review-user span{font-size:12.5px;color:var(--muted)}

/* 文章 */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;
  transition:transform .28s,box-shadow .28s,border-color .28s;
}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#c5d8ff}
.article-meta{font-size:12.5px;color:var(--blue);font-weight:700;letter-spacing:.04em}
.article-card h3{font-size:16px}
.article-card p{font-size:13.8px;color:var(--ink-soft);flex:1}
.article-link{font-size:13.5px;font-weight:700;color:var(--blue);display:inline-flex;align-items:center;gap:6px}
.article-link::after{content:"→";transition:transform .25s}
.article-card:hover .article-link::after{transform:translateX(4px)}

/* 友情链接 */
.friend-links{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.friend-links h3{font-size:16px;margin-bottom:16px;color:var(--blue-deep)}
.friend-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none}
.friend-list a{
  display:inline-block;font-size:13.5px;font-weight:600;color:var(--ink-soft);
  background:#f5f8ff;border:1px solid #e4ecfb;padding:8px 15px;border-radius:99px;
  transition:background .2s,color .2s,transform .2s;
}
.friend-list a:hover{background:var(--blue);color:#fff;transform:translateY(-2px)}

/* 表单 */
.form-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:32px;align-items:start}
.form-intro h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:14px}
.form-intro p{font-size:15px;color:var(--ink-soft);margin-bottom:22px}
.contact-list{list-style:none;display:grid;gap:12px}
.contact-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--ink-soft);
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:13px 16px;
  box-shadow:0 4px 12px rgba(16,42,107,.04);
}
.contact-list b{color:var(--blue-deep);flex-shrink:0;min-width:66px}
.contact-list a{color:var(--blue);font-weight:700}
.form-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow);
}
.form-panel h3{font-size:19px;margin-bottom:6px}
.form-panel .form-tip{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-soft)}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14.5px;color:var(--ink);
  padding:11px 14px;border:1.5px solid #d9e2f5;border-radius:10px;background:#fbfcff;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(22,82,216,.1);
}
.form-panel .btn{width:100%;padding:13px;font-size:15px}
.form-note{font-size:12.5px;color:var(--muted);text-align:center;margin-top:12px}

/* 加盟代理 */
.join-panel{
  background:linear-gradient(135deg,#0a2a7a,#1438b8 55%,#1b5bff);
  border-radius:20px;padding:44px;color:#fff;
  display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;
  box-shadow:0 24px 54px rgba(10,42,122,.32);
}
.join-panel h2{color:#fff;font-size:clamp(22px,3vw,30px);margin-bottom:14px}
.join-panel p{color:#cfe0ff;font-size:15px;margin-bottom:22px}
.join-points{list-style:none;display:grid;gap:10px;margin-bottom:24px}
.join-points li{display:flex;gap:10px;font-size:14px;color:#e3edff}
.join-points li::before{content:"✓";color:#7ff0ff;font-weight:800}
.join-cta{display:flex;flex-wrap:wrap;gap:12px}
.join-box{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
  border-radius:14px;padding:24px;text-align:center;backdrop-filter:blur(6px);
}
.join-box img{width:150px;height:150px;object-fit:cover;border-radius:10px;margin:0 auto 12px;background:#fff;padding:6px}
.join-box strong{display:block;font-size:15px;margin-bottom:4px}
.join-box span{font-size:13px;color:#cfe0ff}

/* 浮动客服 */
.float-kefu{position:fixed;right:22px;bottom:88px;z-index:300}
.kefu-btn{
  width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(135deg,#2f6bff,#0b3fd1);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:20px;
  box-shadow:0 12px 26px rgba(22,82,216,.4);transition:transform .25s,box-shadow .25s;
}
.kefu-btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 16px 32px rgba(22,82,216,.5)}
.kefu-pop{
  position:absolute;right:0;bottom:68px;width:230px;background:#fff;
  border:1px solid var(--line);border-radius:14px;padding:18px;
  box-shadow:0 18px 40px rgba(16,42,107,.18);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s,transform .25s,visibility .25s;
}
.kefu-pop.show{opacity:1;visibility:visible;transform:translateY(0)}
.kefu-pop h4{font-size:14.5px;margin-bottom:10px;color:var(--blue-deep)}
.kefu-pop img{width:100%;height:auto;border-radius:8px;margin-bottom:10px}
.kefu-pop p{font-size:12.5px;color:var(--ink-soft);line-height:1.6}
.kefu-pop a{color:var(--blue);font-weight:700}
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:300;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--blue);font-size:18px;cursor:pointer;
  box-shadow:0 8px 20px rgba(16,42,107,.14);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s,transform .25s,visibility .25s;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--blue);color:#fff}

/* 页脚 */
.site-footer{
  background:#0a1a3f;color:#c6d3ee;padding:52px 0 0;
}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:36px}
.footer-brand img{width:40px;height:40px;object-fit:contain;background:#fff;padding:4px;border-radius:8px}
.footer-brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-row b{color:#fff;font-size:17px}
.footer-brand p{font-size:13.5px;color:#9fb2d6;line-height:1.8;margin-bottom:12px}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px}
.footer-col ul{list-style:none;display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:#9fb2d6;transition:color .2s}
.footer-col a:hover{color:#7ff0ff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:12.5px;color:#8397bf}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom-links a{font-size:12.5px;color:#8397bf;transition:color .2s}
.footer-bottom-links a:hover{color:#7ff0ff}

/* 响应式 */
@media (max-width:1080px){
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .nav-wrap{position:relative}
  .nav-links.mobile-open{
    display:flex;flex-direction:column;align-items:stretch;
    position:absolute;left:0;right:0;top:68px;
    background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;
    padding:10px 14px 16px;box-shadow:0 18px 34px rgba(16,42,107,.14);gap:2px;
  }
  .nav-links.mobile-open a{padding:12px 12px;font-size:15px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-panel{max-width:520px}
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .flow-list{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .about-grid,.net-grid,.case-grid,.form-grid,.join-panel{grid-template-columns:1fr}
  .solution-grid{grid-template-columns:1fr}
  .metrics-band{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr 1fr}
  .article-grid{grid-template-columns:1fr 1fr}
  .join-panel{padding:32px}
}
@media (max-width:640px){
  section{padding:52px 0}
  .container{padding:0 16px}
  .nav-actions .btn-ghost{display:none}
  .hero{padding:60px 0 66px}
  .hero-btns .btn{width:100%}
  .hero-metrics{grid-template-columns:1fr 1fr}
  .cards-grid,.flow-list,.review-grid,.article-grid{grid-template-columns:1fr}
  .metrics-band{grid-template-columns:1fr 1fr;padding:22px}
  .form-row{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:24px}
  .compare-head{padding:22px}
  .score-num{font-size:36px}
  .square-wrap{grid-template-columns:1fr}
  .square-wrap img{width:100%;height:auto}
  .kefu-pop{width:200px}
  .nav-actions .btn-primary{padding:9px 15px;font-size:13.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}