:root{
  --ink:#101528;
  --ink-2:#2d3452;
  --muted:#5c6382;
  --line:rgba(16,21,40,.1);
  --bg:#f6f5f2;
  --orange:#ff5b1c;
  --orange-d:#d93e06;
  --blue:#1f47ff;
  --blue-d:#1731c4;
  --teal:#00a08b;
  --yellow:#ffd23f;
  --radius:18px;
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background-color:var(--bg);
  background-image:
    radial-gradient(760px 460px at 8% -6%, rgba(255,91,28,.16), transparent 62%),
    radial-gradient(720px 420px at 96% 0%, rgba(31,71,255,.14), transparent 60%),
    radial-gradient(700px 400px at 55% 104%, rgba(0,160,139,.13), transparent 66%),
    linear-gradient(180deg,#fbfaf7 0%,#f3f2ee 52%,#f7f6f3 100%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{line-height:1.28;margin:0;font-weight:800;letter-spacing:-.3px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
section[id]{scroll-margin-top:90px;}
.section{padding:64px 0;}
.section-head{max-width:820px;margin-bottom:32px;}
.kicker{
  display:inline-block;position:relative;padding-left:13px;margin-bottom:10px;
  font-size:13px;font-weight:800;letter-spacing:1.4px;color:var(--orange-d);
}
.kicker::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:5px;height:16px;border-radius:3px;background:linear-gradient(180deg,var(--orange),var(--yellow));
}
.section-head h2{font-size:clamp(22px,2.9vw,32px);margin-bottom:12px;}
.section-desc{font-size:15.5px;color:var(--muted);max-width:760px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:2px solid transparent;
  font-family:inherit;font-size:15px;font-weight:700;line-height:1.2;
  cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background-color .22s,border-color .22s,color .22s;
}
.btn-primary{
  background:linear-gradient(135deg,#ff6a1a,#dc2b06);color:#fff;
  box-shadow:0 16px 28px -16px rgba(220,43,6,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 34px -18px rgba(220,43,6,.9);}
.btn-ghost{background:#fff;color:var(--ink);border-color:rgba(16,21,40,.16);}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:0 16px 28px -22px rgba(16,21,40,.7);}
.btn-light{background:#fff;color:#101528;border-color:#fff;}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 30px -18px rgba(0,0,0,.7);}
.btn:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-lg{padding:15px 32px;font-size:16px;}
.btn-block{width:100%;}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;min-width:0;flex:0 1 auto;}
.brand-mark{flex:0 0 40px;width:40px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text strong{font-size:17px;letter-spacing:.5px;color:var(--ink);}
.brand-text small{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.nav-links{
  display:flex;align-items:center;justify-content:center;gap:0;
  margin:0;padding:0;list-style:none;flex:1 1 auto;
}
.nav-links a{
  display:block;padding:9px 13px;border-radius:10px;
  font-size:14.5px;color:var(--ink-2);white-space:nowrap;
  transition:color .2s,background-color .2s;
}
.nav-links a:hover{color:var(--orange-d);background:rgba(255,91,28,.09);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;padding:0;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 首屏 */
.hero{padding:56px 0 28px;}
.hero-grid{display:grid;grid-template-columns:1fr .92fr;gap:44px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin:0 0 6px;padding:7px 16px;
  border-radius:999px;background:#fff;border:1px solid rgba(255,91,28,.32);
  font-size:13px;font-weight:700;letter-spacing:.4px;color:var(--orange-d);
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(255,91,28,.16);}
.hero h1{font-size:clamp(30px,4.2vw,48px);margin:14px 0 16px;letter-spacing:-1px;}
.hero h1 .hl{color:var(--orange-d);}
.hero .lede{font-size:16.5px;color:var(--muted);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-points li{
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 15px;font-size:13px;font-weight:600;color:var(--ink-2);
}
.hero-points li::before{content:"✓";color:var(--teal);font-weight:800;margin-right:6px;}
.hero-visual{position:relative;display:grid;place-items:center;min-height:320px;padding:8px;}
.orb{position:absolute;border-radius:50%;opacity:.4;filter:blur(2px);}
.orb-a{width:190px;height:190px;left:-14px;top:6px;background:radial-gradient(circle at 32% 30%,#ffd23f,#ff5b1c);opacity:.34;}
.orb-b{width:230px;height:230px;right:-20px;bottom:-8px;background:radial-gradient(circle at 32% 30%,#9cb0ff,#1f47ff);opacity:.26;}
.model-board{
  position:relative;z-index:2;width:100%;max-width:420px;
  background:#fff;border:1px solid var(--line);border-radius:26px;
  padding:22px 20px;box-shadow:0 34px 60px -36px rgba(16,21,40,.55);
  animation:floaty 7s ease-in-out infinite;
}
.board-title{font-size:13px;font-weight:800;letter-spacing:1.2px;color:var(--orange-d);margin-bottom:14px;}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chips span{
  padding:6px 12px;border-radius:999px;background:#f4f5fa;
  font-size:12.5px;font-weight:600;color:var(--ink-2);
}
.chips span:nth-child(3n+1){background:rgba(255,91,28,.1);color:var(--orange-d);}
.chips span:nth-child(3n+2){background:rgba(31,71,255,.09);color:var(--blue-d);}
.chips span:nth-child(3n){background:rgba(0,160,139,.11);color:#007a6a;}
.board-flow{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px dashed rgba(16,21,40,.14);font-size:13px;font-weight:700;color:var(--ink-2);}
.board-flow i{flex:1 1 auto;height:2px;background:linear-gradient(90deg,rgba(255,91,28,.6),rgba(31,71,255,.45));border-radius:2px;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}

/* 数据指标 */
.metrics{padding:6px 0 0;}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 18px;text-align:center;
  box-shadow:0 18px 34px -30px rgba(16,21,40,.6);
  transition:transform .25s ease,box-shadow .25s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:0 26px 42px -30px rgba(16,21,40,.5);}
.metric strong{display:block;font-size:29px;font-weight:800;line-height:1.1;}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);}
.metric:nth-child(1) strong{color:var(--orange-d);}
.metric:nth-child(2) strong{color:var(--blue-d);}
.metric:nth-child(3) strong{color:var(--teal);}
.metric:nth-child(4) strong{color:#a16100;}

/* 通用卡片与网格 */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:0 18px 36px -32px rgba(16,21,40,.6);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 28px 48px -32px rgba(16,21,40,.5);border-color:rgba(255,91,28,.35);}
.card h3{font-size:17px;margin-bottom:8px;}
.card p{font-size:14.5px;color:var(--muted);}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.cap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(232px,1fr));gap:16px;margin-top:30px;}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start;margin-bottom:6px;}
.about-copy p{font-size:15.5px;color:var(--ink-2);margin-bottom:14px;}
.tick-list{margin-top:18px;display:grid;gap:10px;}
.tick-list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--ink-2);font-weight:600;}
.tick-list li::before{
  content:"✓";position:absolute;left:0;top:1px;width:18px;height:18px;border-radius:50%;
  display:grid;place-items:center;font-size:11px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#ff6a1a,#dc2b06);
}
.about-media{
  margin:0;border-radius:22px;overflow:hidden;aspect-ratio:4/3;
  background:linear-gradient(135deg,#f0f1f8,#e6e9f6);
  border:1px solid var(--line);box-shadow:0 26px 50px -36px rgba(16,21,40,.6);
  display:grid;place-items:center;
}
.about-media img{width:100%;height:100%;object-fit:cover;}

/* 服务卡片 */
.svc-card{position:relative;overflow:hidden;padding-left:24px;}
.svc-card::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--orange),var(--yellow));
}
.svc-card:nth-child(3n+2)::before{background:linear-gradient(180deg,var(--blue),#8fa4ff);}
.svc-card:nth-child(3n)::before{background:linear-gradient(180deg,var(--teal),#7fe0d2);}

/* 一站式制作 */
.flow-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.flow-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;
  box-shadow:0 18px 36px -32px rgba(16,21,40,.6);
  transition:transform .25s ease,box-shadow .25s ease;
}
.flow-item:hover{transform:translateY(-3px);box-shadow:0 26px 44px -32px rgba(16,21,40,.5);}
.flow-num{
  flex:0 0 34px;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  font-size:14px;font-weight:800;background:rgba(255,91,28,.12);color:var(--orange-d);
}
.flow-item:nth-child(2n) .flow-num{background:rgba(31,71,255,.11);color:var(--blue-d);}
.flow-item h3{font-size:16.5px;margin-bottom:6px;}
.flow-item p{font-size:14.5px;color:var(--muted);}

/* 行业方案 */
.sol-card{position:relative;padding-top:26px;overflow:hidden;}
.sol-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--orange),var(--yellow));
}
.sol-card:nth-child(2n)::after{background:linear-gradient(90deg,var(--blue),#8fa4ff);}
.sol-card:nth-child(3n)::after{background:linear-gradient(90deg,var(--teal),#7fe0d2);}
.sol-card h3{display:flex;align-items:center;gap:8px;}
.sol-card h3 em{
  font-style:normal;font-size:11.5px;font-weight:800;letter-spacing:.5px;
  padding:3px 9px;border-radius:999px;background:rgba(16,21,40,.06);color:var(--ink-2);
}

/* 服务网络 */
.net-card{text-align:left;}
.net-card h3{font-size:16.5px;margin-bottom:8px;}

/* 流程 */
.process{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;}
.step{position:relative;padding-top:38px;}
.step::after{
  content:"";position:absolute;top:0;left:0;width:15px;height:15px;border-radius:50%;
  background:#fff;border:3px solid var(--orange);
}
.step:nth-child(2n)::after{border-color:var(--blue);}
.step:nth-child(3n)::after{border-color:var(--teal);}
.step::before{
  content:"";position:absolute;top:7px;left:15px;right:-16px;height:2px;
  background:rgba(16,21,40,.12);
}
.step:last-child::before{display:none;}
.step h3{font-size:16px;margin-bottom:6px;}
.step p{font-size:14px;color:var(--muted);}

/* 案例 */
.case-card{padding:16px;}
.case-media{
  margin:0 0 14px;border-radius:14px;overflow:hidden;aspect-ratio:16/10;
  background:linear-gradient(135deg,#f1f2f8,#e8ebf7);
  border:1px solid rgba(16,21,40,.06);display:grid;place-items:center;
}
.case-media img{width:100%;height:100%;object-fit:contain;}
.case-card h3{font-size:16.5px;margin-bottom:6px;}
.case-card p{font-size:14.5px;color:var(--muted);}

/* 用户评价 */
.review-card{display:flex;flex-direction:column;gap:12px;}
.review-stars{color:#ff9f1c;font-size:15px;letter-spacing:2px;}
.review-card blockquote{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.75;}
.review-meta{display:flex;flex-direction:column;gap:2px;padding-top:12px;border-top:1px solid rgba(16,21,40,.08);}
.review-meta strong{font-size:14px;}
.review-meta span{font-size:13px;color:var(--muted);}

/* 对比评测 */
.rate-panel{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  background:linear-gradient(120deg,#fff4ed,#eef1ff);
  border:1px solid rgba(255,91,28,.26);border-radius:22px;
  padding:24px 28px;margin-bottom:24px;
}
.rate-score{display:flex;align-items:baseline;gap:6px;}
.rate-score strong{font-size:48px;font-weight:800;line-height:1;color:var(--orange-d);}
.rate-score span{font-size:15px;font-weight:700;color:var(--muted);}
.rate-body h3{font-size:18px;margin-bottom:6px;}
.rate-body p{font-size:14.5px;color:var(--ink-2);}
.stars{color:#ff9f1c;letter-spacing:3px;font-size:17px;}
.table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:0 20px 40px -34px rgba(16,21,40,.6);
}
table{width:100%;border-collapse:collapse;min-width:680px;font-size:14.5px;}
thead th{background:#f2f3f9;color:var(--ink);text-align:left;padding:14px 16px;font-weight:800;white-space:nowrap;}
tbody td{padding:14px 16px;border-top:1px solid rgba(16,21,40,.07);color:var(--ink-2);vertical-align:top;}
tbody tr:hover{background:#fcfbff;}
td.hi{color:var(--orange-d);font-weight:700;}
.table-note{margin-top:12px;font-size:13.5px;color:var(--muted);}

/* 需求匹配 */
.match-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.match-item{
  display:flex;align-items:flex-start;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;
  transition:border-color .25s,transform .25s;
}
.match-item:hover{border-color:rgba(31,71,255,.4);transform:translateY(-2px);}
.match-role{
  flex:0 0 auto;padding:5px 12px;border-radius:999px;font-size:13px;font-weight:800;
  background:rgba(255,91,28,.11);color:var(--orange-d);white-space:nowrap;
}
.match-item:nth-child(2n) .match-role{background:rgba(31,71,255,.1);color:var(--blue-d);}
.match-item:nth-child(3n) .match-role{background:rgba(0,160,139,.12);color:#007a6a;}
.match-desc{font-size:14.5px;color:var(--ink-2);}

/* 百科 / 帮助 */
.wiki-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;}
.wiki-item dt{font-size:16px;font-weight:800;margin-bottom:6px;color:var(--ink);}
.wiki-item dd{margin:0;font-size:14.5px;color:var(--muted);}
.help-link{
  display:flex;flex-direction:column;gap:6px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.help-link:hover{transform:translateY(-3px);border-color:rgba(255,91,28,.4);box-shadow:0 22px 38px -32px rgba(16,21,40,.6);}
.help-link strong{font-size:16px;}
.help-link span{font-size:14px;color:var(--muted);}

/* FAQ */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:4px 20px;transition:border-color .25s,box-shadow .25s;
}
.faq-item[open]{border-color:rgba(255,91,28,.4);box-shadow:0 20px 36px -32px rgba(16,21,40,.6);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 30px 16px 0;position:relative;
  font-size:15.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:0;top:50%;width:10px;height:10px;
  border-right:2px solid var(--orange-d);border-bottom:2px solid var(--orange-d);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-item p{padding:0 0 18px;font-size:14.5px;color:var(--muted);max-width:900px;}

/* 行业资讯 */
.news-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start;}
.articles-slot{
  background:#fff;border:1px dashed rgba(255,91,28,.45);border-radius:18px;
  padding:22px;font-size:14.5px;color:var(--ink-2);min-height:120px;
}
.news-links{display:grid;gap:10px;}
.news-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:13px 16px;font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:border-color .22s,transform .22s,color .22s;
}
.news-links a::after{content:"→";color:var(--orange-d);font-weight:800;}
.news-links a:hover{border-color:rgba(255,91,28,.45);transform:translateX(3px);color:var(--orange-d);}

/* 加盟代理 */
.partner-banner{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:linear-gradient(120deg,#141a33,#202a55 55%,#2b1a3a);
  border-radius:24px;padding:34px 34px;
  box-shadow:0 30px 60px -40px rgba(16,21,40,.9);
}
.partner-banner h2{color:#fff;font-size:clamp(20px,2.6vw,28px);margin-bottom:10px;}
.partner-banner p{color:#c8cde3;font-size:14.5px;max-width:640px;}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start;}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 22px 44px -34px rgba(16,21,40,.6);}
.contact-list{display:grid;gap:12px;margin-top:16px;}
.contact-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);align-items:flex-start;}
.contact-list li b{flex:0 0 76px;color:var(--ink);font-weight:700;}
.contact-list li a{color:var(--orange-d);font-weight:700;word-break:break-all;}
.qr-box{margin-top:18px;text-align:center;}
.qr-box .qr-wrap{
  width:160px;margin:0 auto;border-radius:14px;overflow:hidden;
  border:1px solid var(--line);background:#f6f6fa;aspect-ratio:1/1;display:grid;place-items:center;
}
.qr-box .qr-wrap img{width:100%;height:100%;object-fit:contain;}
.qr-box p{margin-top:8px;font-size:13px;color:var(--muted);}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.contact-form{display:grid;gap:14px;}
.contact-form label{display:flex;flex-direction:column;gap:6px;font-size:13.5px;font-weight:700;color:var(--ink-2);}
.contact-form input,.contact-form select,.contact-form textarea{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(16,21,40,.16);
  background:#fbfbfd;font-family:inherit;font-size:14.5px;color:var(--ink);
  transition:border-color .2s,box-shadow .2s,background-color .2s;
}
.contact-form textarea{resize:vertical;min-height:104px;}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{
  outline:none;border-color:var(--orange);background:#fff;box-shadow:0 0 0 3px rgba(255,91,28,.14);
}

/* 页脚 */
.site-footer{
  background:#101528;color:#dfe3f2;margin-top:12px;
  padding:36px 0 26px;position:relative;
}
.footer-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:start;}
.footer-brand strong{display:block;font-size:18px;color:#fff;letter-spacing:.5px;}
.footer-brand p{margin-top:8px;font-size:13.5px;color:#a9b1cc;line-height:1.7;}
.footer-brand .copy{margin-top:16px;font-size:12.5px;color:#8a92b0;}
.footer-title{font-size:14px;font-weight:800;color:#fff;margin:0 0 12px;letter-spacing:.5px;}
.link-list{display:flex;flex-wrap:wrap;gap:8px 14px;}
.link-list a{
  font-size:13px;color:#c3cbe6;padding:2px 0;border-bottom:1px solid transparent;
  transition:color .2s,border-color .2s;
}
.link-list a:hover{color:#ffb38a;border-bottom-color:#ffb38a;}

/* 浮动工具 */
.float-tools{position:fixed;right:16px;bottom:20px;z-index:80;display:flex;flex-direction:column;gap:10px;align-items:flex-end;}
.float-btn{
  width:52px;height:52px;border-radius:16px;border:none;cursor:pointer;
  font-family:inherit;font-size:12px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#ff6a1a,#dc2b06);
  box-shadow:0 16px 30px -14px rgba(220,43,6,.9);
  transition:transform .22s,box-shadow .22s;
  display:grid;place-items:center;line-height:1.1;padding:0;
}
.float-btn:hover{transform:translateY(-3px);}
.float-btn.top-btn{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 14px 26px -18px rgba(16,21,40,.7);}
.kefu-panel{
  width:224px;background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:16px;box-shadow:0 28px 50px -28px rgba(16,21,40,.6);
  font-size:13px;color:var(--ink-2);
}
.kefu-panel .kefu-title{font-size:14px;font-weight:800;color:var(--ink);margin-bottom:10px;}
.kefu-panel .kefu-qr{
  width:100%;border-radius:12px;overflow:hidden;background:#f5f5fa;
  aspect-ratio:1/1;display:grid;place-items:center;margin-bottom:10px;
}
.kefu-panel .kefu-qr img{width:100%;height:100%;object-fit:contain;}
.kefu-panel p{margin:0 0 4px;line-height:1.6;}

/* 动画 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .model-board{animation:none;}
  *{animation-duration:.001s !important;animation-iteration-count:1 !important;transition-duration:.001s !important;}
}

/* 响应式 */
@media (max-width:1120px){
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    padding:10px 22px 16px;box-shadow:0 26px 44px -32px rgba(16,21,40,.7);
  }
  .nav-links.open{display:flex;}
  .nav-links li{width:100%;}
  .nav-links a{padding:13px 4px;border-radius:0;border-bottom:1px solid rgba(16,21,40,.06);}
  .nav-links li:last-child a{border-bottom:none;}
}
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual{min-height:280px;}
  .about-grid{grid-template-columns:1fr;gap:24px;}
  .contact-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;gap:22px;}
  .footer-grid{grid-template-columns:1fr;gap:22px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .process{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 16px;}
  .step::before{display:none;}
}
@media (max-width:720px){
  body{background-attachment:scroll;}
  .section{padding:46px 0;}
  .hero{padding:38px 0 20px;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-2,.grid-3,.grid-4,.flow-grid,.match-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .rate-panel{padding:20px;gap:16px;}
  .rate-score strong{font-size:38px;}
  .partner-banner{padding:24px;}
  .float-tools{right:12px;bottom:14px;}
  .kefu-panel{width:200px;}
}