*{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#0d2438;
  --ink-2:#40536a;
  --teal:#0b8f8a;
  --teal-d:#066d6a;
  --cyan:#14c8c0;
  --cyan-soft:#e2f8f6;
  --bg:#f4fbfa;
  --card:#ffffff;
  --line:#d8ecea;
  --shadow:0 10px 32px rgba(9,90,88,.09);
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:linear-gradient(180deg,#eefaf8 0%,#f6fcfb 34%,#f2fbfa 100%);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
section{position:relative}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,253,252,.9);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(11,143,138,.12);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:66px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand .ai-page-logo{width:auto;max-height:36px;object-fit:contain}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.5px;color:var(--ink)}
.brand-name span{color:var(--teal)}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{
  display:block;padding:9px 11px;font-size:14px;font-weight:500;color:var(--ink-2);
  border-radius:8px;transition:color .25s,background .25s;white-space:nowrap;
}
.nav-links a:hover{color:var(--teal);background:var(--cyan-soft)}
.nav-cta{
  flex-shrink:0;display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:700;
  color:#fff;background:linear-gradient(135deg,#12b5ad,#0a7f7a);
  box-shadow:0 6px 18px rgba(11,143,138,.28);
  transition:transform .25s,box-shadow .25s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,143,138,.36)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center;
  flex-direction:column;gap:4px;flex-shrink:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--teal-d);border-radius:2px;transition:transform .25s,opacity .25s}
.nav-toggle.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background:
    radial-gradient(circle at 12% 18%,rgba(20,200,192,.20),transparent 46%),
    radial-gradient(circle at 88% 6%,rgba(11,143,138,.16),transparent 44%),
    linear-gradient(160deg,#f0fdfb 0%,#e6f8f6 52%,#f3fcfb 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(11,143,138,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(11,143,138,.055) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 50% 34%,#000 10%,transparent 76%);
  -webkit-mask-image:radial-gradient(circle at 50% 34%,#000 10%,transparent 76%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--teal-d);background:rgba(255,255,255,.86);border:1px solid rgba(11,143,138,.24);
  margin-bottom:20px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(20,200,192,.2)}
.hero h1{
  font-size:clamp(28px,4vw,46px);line-height:1.28;font-weight:800;letter-spacing:-.5px;
  color:#08283a;
}
.hero h1 em{
  font-style:normal;color:var(--teal-d);
  background:linear-gradient(120deg,#0b8f8a,#14c8c0);
  -webkit-background-clip:text;background-clip:text;
}
.hero-lead{margin-top:18px;font-size:16px;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:12px;font-size:15px;font-weight:700;
  transition:transform .25s,box-shadow .25s,background .25s;cursor:pointer;border:1px solid transparent;
}
.btn-main{
  color:#fff;background:linear-gradient(135deg,#12b5ad,#077470);
  box-shadow:0 12px 26px rgba(11,143,138,.30);
}
.btn-main:hover{transform:translateY(-3px);box-shadow:0 18px 32px rgba(11,143,138,.38)}
.btn-ghost{
  color:var(--teal-d);background:#fff;border-color:rgba(11,143,138,.3);
  box-shadow:0 6px 16px rgba(9,90,88,.07);
}
.btn-ghost:hover{transform:translateY(-3px);background:var(--cyan-soft)}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.hero-tags span{
  font-size:12.5px;font-weight:600;color:var(--teal-d);
  padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.8);
  border:1px solid rgba(11,143,138,.18);
}
/* hero visual (pure css) */
.hero-visual{position:relative;display:grid;gap:14px}
.hv-card{
  background:rgba(255,255,255,.94);border:1px solid rgba(11,143,138,.16);
  border-radius:18px;padding:18px 20px;box-shadow:var(--shadow);
  animation:floatY 6s ease-in-out infinite;
}
.hv-card:nth-child(2){animation-delay:-2s;margin-left:22px}
.hv-card:nth-child(3){animation-delay:-4s}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.hv-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.hv-title{font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.4px}
.hv-badge{font-size:11px;font-weight:700;color:#fff;background:linear-gradient(135deg,#14c8c0,#0b8f8a);padding:3px 9px;border-radius:999px}
.hv-line{height:8px;border-radius:6px;background:linear-gradient(90deg,rgba(20,200,192,.5),rgba(11,143,138,.16));margin-top:8px}
.hv-line.s{width:72%}
.hv-line.m{width:88%}
.hv-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.hv-chips span{font-size:11.5px;padding:3px 9px;border-radius:6px;background:var(--cyan-soft);color:var(--teal-d);font-weight:600}

/* ============ 数据指标 ============ */
.stats-strip{
  position:relative;z-index:3;margin-top:-34px;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:26px 22px;box-shadow:0 16px 40px rgba(9,90,88,.10);
}
.stat-item{text-align:center;padding:4px 8px;border-right:1px dashed var(--line)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--teal-d);letter-spacing:-.5px}
.stat-num small{font-size:14px;font-weight:700;margin-left:2px}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:4px}

/* ============ 通用 section ============ */
.sec{padding:72px 0}
.sec-head{max-width:760px;margin:0 auto 42px;text-align:center}
.sec-tag{
  display:inline-block;font-size:13px;font-weight:700;color:var(--teal-d);
  background:var(--cyan-soft);padding:5px 14px;border-radius:999px;margin-bottom:14px;
  letter-spacing:.5px;
}
.sec-title{font-size:clamp(23px,3vw,34px);font-weight:800;letter-spacing:-.4px;line-height:1.32;color:#08283a}
.sec-desc{margin-top:14px;color:var(--ink-2);font-size:15.5px}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.about-text h3{font-size:20px;font-weight:800;margin-bottom:14px;color:#08283a}
.about-text p{color:var(--ink-2);margin-bottom:14px;font-size:15.5px}
.about-list{display:grid;gap:12px;margin-top:20px}
.about-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink)}
.about-list li b{color:var(--teal-d)}
.tick{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;margin-top:2px;
  background:linear-gradient(135deg,#14c8c0,#0b8f8a);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;
}
.about-media{display:grid;gap:16px}
.media-card{
  border-radius:18px;overflow:hidden;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);transition:transform .35s,box-shadow .35s;
}
.media-card:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(9,90,88,.14)}
.media-card img{width:100%;height:auto;object-fit:cover}
.about-media .duo{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.media-cap{padding:12px 16px;font-size:14px;font-weight:600;color:var(--ink)}

/* 服务能力卡片 */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:26px 22px;box-shadow:0 6px 20px rgba(9,90,88,.05);
  transition:transform .32s,box-shadow .32s,border-color .32s;overflow:hidden;
}
.svc-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,#14c8c0,#0b8f8a);transform:scaleX(0);transform-origin:left;
  transition:transform .35s;
}
.svc-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(9,90,88,.13);border-color:rgba(11,143,138,.32)}
.svc-card:hover::before{transform:scaleX(1)}
.svc-icon{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e2f8f6,#c9f0ec);color:var(--teal-d);
  font-weight:800;font-size:16px;margin-bottom:16px;letter-spacing:.5px;
}
.svc-card h3{font-size:17px;font-weight:800;color:#08283a;margin-bottom:8px}
.svc-card p{font-size:14.5px;color:var(--ink-2)}

/* 一站式制作 场景列表 */
.scene-wrap{background:linear-gradient(160deg,#eefaf8,#f7fdfc);border:1px solid var(--line);border-radius:24px;padding:38px 30px}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:6px}
.scene-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 16px;
  transition:transform .28s,box-shadow .28s,border-color .28s;
}
.scene-item:hover{transform:translateY(-4px);box-shadow:0 14px 28px rgba(9,90,88,.11);border-color:rgba(11,143,138,.3)}
.scene-item h4{font-size:14.5px;font-weight:800;color:var(--teal-d);margin-bottom:6px}
.scene-item p{font-size:13.5px;color:var(--ink-2);line-height:1.6}
.scene-note{margin-top:22px;font-size:14.5px;color:var(--ink-2);text-align:center}

/* 行业方案 */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ind-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;
  display:flex;flex-direction:column;gap:10px;
  transition:transform .3s,box-shadow .3s;
}
.ind-card:hover{transform:translateY(-5px);box-shadow:0 18px 36px rgba(9,90,88,.12)}
.ind-card h3{font-size:17px;font-weight:800;color:#08283a}
.ind-card p{font-size:14.5px;color:var(--ink-2);flex:1}
.ind-tags{display:flex;flex-wrap:wrap;gap:6px}
.ind-tags span{font-size:12px;font-weight:600;color:var(--teal-d);background:var(--cyan-soft);padding:3px 10px;border-radius:6px}

/* 服务网络 + 时间线 */
.net-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.net-panel{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow);
}
.net-panel h3{font-size:19px;font-weight:800;margin-bottom:16px;color:#08283a}
.net-list{display:grid;gap:14px}
.net-list li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-2)}
.net-list li strong{color:var(--ink);flex-shrink:0}
.timeline{position:relative;padding-left:24px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,#14c8c0,#0b8f8a)}
.tl-item{position:relative;padding-bottom:22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-24px;top:6px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--teal);
}
.tl-item h4{font-size:15.5px;font-weight:800;color:#08283a;margin-bottom:4px}
.tl-item p{font-size:14px;color:var(--ink-2)}

/* 标准流程 */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 20px;
  transition:transform .3s,box-shadow .3s;
}
.flow-step:hover{transform:translateY(-5px);box-shadow:0 16px 32px rgba(9,90,88,.12)}
.flow-num{
  font-size:26px;font-weight:800;color:var(--teal-d);opacity:.22;line-height:1;margin-bottom:10px;letter-spacing:-1px;
}
.flow-step h4{font-size:16px;font-weight:800;color:#08283a;margin-bottom:6px}
.flow-step p{font-size:14px;color:var(--ink-2)}

/* 案例中心 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.case-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;
  overflow:hidden;box-shadow:0 6px 20px rgba(9,90,88,.05);transition:transform .3s,box-shadow .3s;
}
.case-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(9,90,88,.14)}
.case-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--cyan-soft)}
.case-thumb img{width:100%;height:100%;object-fit:cover}
.case-body{padding:18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.case-body h3{font-size:16px;font-weight:800;color:#08283a}
.case-body p{font-size:14px;color:var(--ink-2);flex:1}

/* 对比评测 */
.eval-wrap{
  background:linear-gradient(150deg,#08283a 0%,#0a4a4d 55%,#0b8f8a 130%);
  border-radius:26px;padding:44px 34px;color:#e8fbf9;
  box-shadow:0 24px 54px rgba(8,40,58,.28);
}
.eval-top{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center;margin-bottom:30px}
.eval-top h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#fff;line-height:1.32}
.eval-top p{font-size:15px;color:#b8e9e5;margin-top:12px}
.score-box{
  display:flex;align-items:center;gap:22px;justify-content:flex-end;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:18px;padding:20px 24px;
}
.score-num{font-size:46px;font-weight:800;color:#5ff0e6;line-height:1;letter-spacing:-1.5px}
.score-num small{font-size:16px;color:#b8e9e5;font-weight:600}
.score-meta{font-size:13.5px;color:#c8f2ee}
.stars{color:#ffd76a;font-size:15px;letter-spacing:3px;margin-top:6px}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:14px;background:rgba(255,255,255,.06)}
table.cmp-table{width:100%;border-collapse:collapse;min-width:640px;font-size:14px}
table.cmp-table th,table.cmp-table td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(255,255,255,.12)}
table.cmp-table thead th{background:rgba(255,255,255,.10);color:#fff;font-weight:800;font-size:14px}
table.cmp-table tbody tr:last-child td{border-bottom:none}
table.cmp-table td:first-child{color:#e8fbf9;font-weight:700}
table.cmp-table td.yes{color:#5ff0e6;font-weight:700}
table.cmp-table td.mid{color:#c8f2ee}
.eval-note{margin-top:18px;font-size:13.5px;color:#a9e3de}

/* Token 比价 */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.token-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 22px;
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.token-card.hot{border-color:rgba(11,143,138,.5);box-shadow:0 18px 36px rgba(9,90,88,.13)}
.token-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(9,90,88,.14)}
.token-card h3{font-size:16.5px;font-weight:800;color:#08283a;margin-bottom:6px}
.token-price{font-size:28px;font-weight:800;color:var(--teal-d);letter-spacing:-1px;margin:10px 0 4px}
.token-price small{font-size:13px;color:var(--ink-2);font-weight:600;margin-left:4px}
.token-card p{font-size:14px;color:var(--ink-2);margin-top:8px}
.token-list{margin-top:14px;display:grid;gap:8px}
.token-list li{font-size:13.5px;color:var(--ink-2);display:flex;gap:8px}
.token-list li::before{content:"·";color:var(--teal);font-weight:800}

/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;
  display:flex;flex-direction:column;gap:12px;box-shadow:0 6px 20px rgba(9,90,88,.05);
  transition:transform .3s,box-shadow .3s;
}
.review-card:hover{transform:translateY(-5px);box-shadow:0 18px 36px rgba(9,90,88,.12)}
.review-stars{color:#f5a623;font-size:14px;letter-spacing:2px}
.review-body{font-size:14.5px;color:var(--ink-2);flex:1}
.review-user{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:14px}
.avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,#14c8c0,#0b8f8a);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
}
.review-user b{display:block;font-size:14px;color:#08283a}
.review-user span{font-size:12.5px;color:var(--ink-2)}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .3s,box-shadow .3s}
.faq-item.open{border-color:rgba(11,143,138,.42);box-shadow:0 12px 26px rgba(9,90,88,.10)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:18px 22px;font-size:15.5px;font-weight:700;color:#08283a;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-family:inherit;
}
.faq-q .plus{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--cyan-soft);color:var(--teal-d);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  transition:transform .3s,background .3s,color .3s;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--teal);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-2)}

/* 文章 + AI百科 + 标签云 */
.know-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:26px;align-items:start}
.article-panel,.tag-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}
.article-panel h3,.tag-panel h3{font-size:19px;font-weight:800;margin-bottom:18px;color:#08283a}
.article-list{display:grid;gap:14px}
.article-list li{display:flex;gap:14px;align-items:flex-start;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.article-list li:last-child{border-bottom:none;padding-bottom:0}
.art-date{
  flex-shrink:0;width:54px;text-align:center;border-radius:10px;background:var(--cyan-soft);
  color:var(--teal-d);font-weight:800;padding:6px 0;font-size:12px;line-height:1.4;
}
.art-date b{display:block;font-size:16px}
.article-list a{font-size:14.5px;font-weight:700;color:#08283a;transition:color .25s}
.article-list a:hover{color:var(--teal-d)}
.article-list small{display:block;font-size:12.5px;color:var(--ink-2);font-weight:400;margin-top:3px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud span{
  font-size:13px;font-weight:600;color:var(--teal-d);background:var(--cyan-soft);
  padding:6px 13px;border-radius:999px;transition:background .25s,color .25s,transform .25s;cursor:default;
}
.tag-cloud span:hover{background:var(--teal);color:#fff;transform:translateY(-2px)}

/* 需求匹配 表单 */
.form-wrap{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:var(--shadow);
}
.form-info h3{font-size:22px;font-weight:800;color:#08283a;margin-bottom:12px}
.form-info p{font-size:14.5px;color:var(--ink-2);margin-bottom:18px}
.contact-chips{display:grid;gap:10px}
.contact-chips li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);align-items:flex-start}
.contact-chips li b{color:var(--teal-d);flex-shrink:0;font-weight:700}
form.demand-form{display:grid;gap:14px}
.field{display:grid;gap:6px}
.field label{font-size:13.5px;font-weight:700;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-size:14.5px;font-family:inherit;color:var(--ink);background:#fbfefd;
  transition:border-color .25s,box-shadow .25s,background .25s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--teal);background:#fff;box-shadow:0 0 0 3px rgba(20,200,192,.16);
}
.field textarea{resize:vertical;min-height:96px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.btn-submit{
  width:100%;padding:14px;border:none;border-radius:11px;cursor:pointer;
  color:#fff;font-size:15.5px;font-weight:800;font-family:inherit;
  background:linear-gradient(135deg,#12b5ad,#077470);
  box-shadow:0 12px 26px rgba(11,143,138,.28);
  transition:transform .25s,box-shadow .25s;
}
.btn-submit:hover{transform:translateY(-2px);box-shadow:0 18px 32px rgba(11,143,138,.36)}
.btn-submit:active{transform:translateY(0) scale(.99)}
.form-tip{font-size:12.5px;color:var(--ink-2);text-align:center}

/* 联系我们 + 二维码 */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:start}
.contact-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}
.contact-panel h3{font-size:19px;font-weight:800;margin-bottom:18px;color:#08283a}
.contact-list{display:grid;gap:14px}
.contact-list li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-2)}
.contact-list li b{color:var(--ink);min-width:88px;flex-shrink:0}
.contact-list li a{color:var(--teal-d);font-weight:700}
.qr-panel{background:linear-gradient(160deg,#eefaf8,#f8fdfc);border:1px solid var(--line);border-radius:20px;padding:26px;text-align:center}
.qr-panel h3{font-size:17px;font-weight:800;color:#08283a;margin-bottom:14px}
.qr-box{width:180px;max-width:100%;margin:0 auto;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fff;padding:8px}
.qr-box img{width:100%;height:auto;object-fit:contain;border-radius:8px}
.qr-panel p{margin-top:14px;font-size:13.5px;color:var(--ink-2)}

/* 加盟代理 */
.agent-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;
  background:linear-gradient(150deg,#e6f8f6,#f8fdfc);border:1px solid var(--line);border-radius:24px;padding:36px;
}
.agent-wrap h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#08283a;line-height:1.34}
.agent-wrap p{font-size:15px;color:var(--ink-2);margin-top:14px}
.agent-points{display:grid;gap:12px;margin-top:22px}
.agent-points li{display:flex;gap:12px;font-size:14.5px;color:var(--ink);align-items:flex-start}
.agent-side{display:grid;gap:14px}
.agent-box{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;
  box-shadow:0 6px 18px rgba(9,90,88,.06);
}
.agent-box h4{font-size:15.5px;font-weight:800;color:var(--teal-d);margin-bottom:6px}
.agent-box p{font-size:14px;color:var(--ink-2)}
.agent-media{display:grid;grid-template-columns:1fr;gap:14px}

/* 友情链接 & footer */
footer.site-footer{
  background:#072331;color:#cfe6e6;padding:44px 0 0;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;padding-bottom:30px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .ai-page-logo{max-height:34px;width:auto;filter:brightness(0) invert(1)}
.footer-brand strong{font-size:17px;color:#fff;font-weight:800}
.footer-grid p{font-size:13.5px;color:#a9cfcf;line-height:1.8}
.footer-col h4{font-size:15px;color:#fff;font-weight:800;margin-bottom:14px}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13.5px;color:#a9cfcf;transition:color .25s,transform .25s;display:inline-block}
.footer-links a:hover{color:#5ff0e6;transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  font-size:13px;color:#8fb8b8;
}
.footer-bottom a{color:#8fb8b8}
.footer-bottom a:hover{color:#5ff0e6}
.friend-links{display:flex;flex-wrap:wrap;gap:8px 16px;padding:16px 0;border-top:1px solid rgba(255,255,255,.1)}
.friend-links span{font-size:13px;color:#7fa9a9}
.friend-links a{font-size:13px;color:#a9cfcf}
.friend-links a:hover{color:#5ff0e6}

/* 悬浮客服 & 返回顶部 */
.floating{position:fixed;right:18px;bottom:22px;z-index:120;display:flex;flex-direction:column;gap:10px}
.float-btn{
  width:50px;height:50px;border-radius:14px;border:1px solid rgba(11,143,138,.24);
  background:#fff;color:var(--teal-d);display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;cursor:pointer;box-shadow:0 10px 24px rgba(9,90,88,.16);
  transition:transform .25s,background .25s,color .25s;flex-direction:column;gap:2px;
}
.float-btn:hover{transform:translateY(-3px);background:var(--teal);color:#fff}
.float-btn svg{width:20px;height:20px;fill:currentColor}
#backTop{opacity:0;pointer-events:none;transition:opacity .3s,transform .25s}
#backTop.show{opacity:1;pointer-events:auto}
.kf-panel{
  position:fixed;right:18px;bottom:130px;z-index:121;width:230px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;
  box-shadow:0 22px 50px rgba(9,90,88,.2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s,transform .3s,visibility .3s;
}
.kf-panel.show{opacity:1;visibility:visible;transform:translateY(0)}
.kf-panel h4{font-size:14px;font-weight:800;color:#08283a;margin-bottom:10px;text-align:center}
.kf-panel img{width:100%;border-radius:10px;border:1px solid var(--line)}
.kf-panel p{font-size:12.5px;color:var(--ink-2);margin-top:10px;text-align:center;line-height:1.6}

/* 滚动渐入 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:520px}
  .hv-card:nth-child(2){margin-left:0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px 14px}
  .stat-item:nth-child(2){border-right:none}
  .stat-item:nth-child(1),.stat-item:nth-child(2){padding-bottom:14px;border-bottom:1px dashed var(--line)}
  .cards-grid,.industry-grid,.case-grid,.review-grid,.flow-grid,.token-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.net-grid,.know-grid,.contact-grid,.form-wrap,.agent-wrap,.eval-top{grid-template-columns:1fr}
  .score-box{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:#fff;flex-direction:column;align-items:stretch;
    padding:10px 16px 16px;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(9,90,88,.12);gap:2px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 8px;border-radius:8px}
  .nav-toggle{display:flex}
}
@media (max-width:720px){
  .sec{padding:52px 0}
  .hero{padding:46px 0 60px}
  .stats-strip{margin-top:-26px}
  .cards-grid,.industry-grid,.case-grid,.review-grid,.flow-grid,.token-grid,.scene-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;padding:20px 14px}
  .eval-wrap{padding:30px 20px;border-radius:20px}
  .form-wrap,.agent-wrap,.net-panel,.article-panel,.tag-panel,.contact-panel{padding:22px}
  .form-row{grid-template-columns:1fr}
  .about-media .duo{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .floating{right:12px;bottom:16px}
  .kf-panel{right:12px;bottom:120px;width:200px}
  .brand-name{font-size:16px}
  .hero-actions .btn{flex:1;padding:12px 18px}
}
@media (max-width:420px){
  .stats-grid{grid-template-columns:1fr}
  .stat-item{border-right:none;border-bottom:1px dashed var(--line);padding-bottom:12px}
  .stat-item:last-child{border-bottom:none;padding-bottom:0}
}