/* =========================================================
   阆中宸欣网络科技有限公司 — 官网样式
   ========================================================= */

:root{
  --bg:#ffffff;
  --bg-soft:#f5f7fb;
  --bg-soft-2:#eef2f9;
  --ink:#0d1526;
  --ink-2:#49536e;
  --ink-3:#5d6683;
  --line:#e6eaf2;
  --brand:#2f5cff;
  --brand-deep:#1b3ce0;
  --brand-soft:#eaf0ff;
  --cyan:#00c8b4;
  --dark:#070d1b;
  --dark-2:#0d1730;
  --radius:18px;
  --radius-lg:26px;
  --shadow-sm:0 1px 2px rgba(13,21,38,.05),0 10px 28px -18px rgba(13,21,38,.25);
  --shadow-md:0 2px 4px rgba(13,21,38,.04),0 24px 48px -24px rgba(13,21,38,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --max:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--ink);
  background:var(--bg);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------------- 顶部导航 ---------------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:11px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.02em}
.brand-sub{font-size:10.5px;color:var(--ink-3);letter-spacing:.16em;text-transform:uppercase;margin-top:3px}

.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{
  position:relative;padding:9px 15px;border-radius:10px;
  font-size:15px;color:var(--ink-2);font-weight:500;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav a:hover{color:var(--ink);background:var(--bg-soft)}
.nav a.active{color:var(--brand);background:var(--brand-soft)}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:11px;
  background:var(--ink);color:#fff;font-size:14.5px;font-weight:600;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.header-cta:hover{background:var(--brand);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:11px;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{position:relative;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s var(--ease)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-open .nav-toggle span{background:transparent}
.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:12px;font-size:15.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 28px -14px rgba(47,92,255,.85)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(47,92,255,.9)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:#c9d3e6;background:#fff;transform:translateY(-2px)}
.btn-on-dark{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22)}
.btn-on-dark:hover{background:rgba(255,255,255,.15);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(7,13,27,.55)}

/* ---------------- 首页 Hero ---------------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--dark);
  color:#fff;
  padding:104px 0 96px;
  isolation:isolate;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:
    radial-gradient(720px 420px at 78% 8%,rgba(47,92,255,.42),transparent 62%),
    radial-gradient(620px 460px at 12% 92%,rgba(0,200,180,.22),transparent 66%),
    radial-gradient(900px 600px at 50% -20%,rgba(27,60,224,.35),transparent 70%);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 30%,#000 35%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 35%,transparent 78%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 14px 7px 10px;border-radius:999px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  font-size:13px;color:#cdd7ef;letter-spacing:.02em;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(0,200,180,.18)}
.hero h1{
  font-size:clamp(34px,4.4vw,58px);
  line-height:1.18;letter-spacing:-.02em;margin:26px 0 0;font-weight:800;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#7ea6ff,#00d9c0 78%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:22px;font-size:17.5px;line-height:1.85;color:#a9b6d4;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.11)}
.hero-meta div{font-size:13.5px;color:#8996b5;display:flex;align-items:center;gap:8px}
.hero-meta b{color:#fff;font-size:19px;font-weight:700;letter-spacing:-.01em}
.hero-meta svg{width:15px;height:15px;color:var(--cyan)}

.hero-art{position:relative}
.hero-art svg{width:100%;height:auto;filter:drop-shadow(0 30px 60px rgba(0,0,0,.45))}
.float-card{
  position:absolute;display:flex;align-items:center;gap:11px;
  padding:13px 16px;border-radius:14px;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:0 18px 40px -22px rgba(0,0,0,.8);
  font-size:13.5px;color:#e8eeff;animation:floaty 7s ease-in-out infinite;
}
.float-card .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.fc-1{top:6%;left:-6%}
.fc-2{bottom:10%;right:-4%;animation-delay:-3.5s}
.fc-2 .dot{background:#7ea6ff;box-shadow:0 0 12px #7ea6ff}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ---------------- 通用 section ---------------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section.soft{background:var(--bg-soft)}
.section-head{max-width:660px;margin-bottom:52px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin-bottom:16px;
}
.kicker::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.section-head.center .kicker::after{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.section h2{font-size:clamp(26px,3vw,38px);letter-spacing:-.02em;line-height:1.28}
.section-head p{margin-top:16px;font-size:16.5px;color:var(--ink-2);line-height:1.85}

/* ---------------- 能力卡片 ---------------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px 28px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  overflow:hidden;
}
.card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#d8e0f2}
.card:hover::after{transform:scaleX(1)}
.card .icon{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,var(--brand-soft),#f4f7ff);
  border:1px solid #dfe7fb;color:var(--brand);margin-bottom:20px;
}
.card .icon svg{width:22px;height:22px}
.card h3{font-size:18px;margin-bottom:10px}
.card p{font-size:14.8px;color:var(--ink-2);line-height:1.8}
.card .num{
  position:absolute;right:22px;top:18px;font-size:13px;font-weight:700;color:#cbd4e8;letter-spacing:.06em;
}

/* ---------------- 分栏业务 ---------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split+.split{margin-top:88px}
.split.reverse .split-media{order:2}
.split-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(150deg,#eef3ff,#e7f7f5);
  border:1px solid var(--line);
  aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;
}
.split-media svg{width:82%;height:auto}
.split-body h3{font-size:clamp(22px,2.4vw,30px);letter-spacing:-.02em;margin-bottom:16px}
.split-body>p{color:var(--ink-2);font-size:16px;line-height:1.9}
.checklist{margin-top:26px;display:grid;gap:13px}
.checklist li{display:flex;gap:12px;align-items:flex-start;font-size:15.2px;color:var(--ink-2)}
.checklist .ck{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;margin-top:3px;
  background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;
}
.checklist .ck svg{width:11px;height:11px}

/* ---------------- 数据条 ---------------- */
.stats{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.stats::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 300px at 20% 0%,rgba(47,92,255,.3),transparent 65%),
             radial-gradient(600px 300px at 88% 100%,rgba(0,200,180,.16),transparent 68%);
}
.stats-inner{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:64px 0}
.stat{text-align:center;position:relative}
.stat+.stat::before{content:"";position:absolute;left:-14px;top:14%;height:72%;width:1px;background:rgba(255,255,255,.13)}
.stat b{display:block;font-size:clamp(30px,3.6vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.1}
.stat b span{font-size:.5em;font-weight:600;color:#8fa2cc;margin-left:4px}
.stat p{margin-top:10px;font-size:14px;color:#9aa8c8}

/* ---------------- 流程 ---------------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{
  position:relative;padding:28px 24px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);
}
.step .idx{
  font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.1em;margin-bottom:14px;display:block;
}
.step h4{font-size:17px;margin-bottom:9px}
.step p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.step::after{
  content:"";position:absolute;right:-13px;top:50%;width:6px;height:6px;border-radius:50%;
  background:#cfd8ea;transform:translateY(-50%);
}
.step:last-child::after{display:none}

/* ---------------- 关于页 ---------------- */
.page-hero{
  background:var(--dark);color:#fff;padding:72px 0 76px;position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 340px at 80% 0%,rgba(47,92,255,.4),transparent 65%),
             radial-gradient(520px 320px at 6% 100%,rgba(0,200,180,.18),transparent 68%);
}
.page-hero .container{position:relative}
.crumb{font-size:13px;color:#93a1c2;display:flex;gap:9px;align-items:center;margin-bottom:20px}
.crumb a:hover{color:#fff}
.page-hero h1{font-size:clamp(30px,4vw,46px);letter-spacing:-.02em;max-width:760px;line-height:1.2}
.page-hero p{margin-top:18px;color:#a9b6d4;font-size:16.5px;max-width:640px;line-height:1.85}

.prose p{font-size:16.2px;line-height:2;color:var(--ink-2);margin-bottom:20px}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--ink);font-weight:600}

.info-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
.info-single{max-width:840px}
.fact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px 32px;box-shadow:var(--shadow-sm);
}
.fact-card h3{font-size:18px;margin-bottom:22px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.fact-list{display:grid;gap:0}
.fact-list div{display:flex;gap:18px;padding:13px 0;border-bottom:1px dashed #edf0f7;font-size:14.8px}
.fact-list div:last-child{border-bottom:0}
.fact-list dt{flex:0 0 108px;color:var(--ink-3)}
.fact-list dd{margin:0;color:var(--ink);flex:1;word-break:break-word}

.timeline{position:relative;margin-top:8px;padding-left:30px}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--brand),#dfe7fb)}
.tl-item{position:relative;padding-bottom:36px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px #eef2ff;
}
.tl-item time{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.06em}
.tl-item h4{font-size:17.5px;margin:7px 0 8px}
.tl-item p{font-size:15px;color:var(--ink-2);line-height:1.85}

.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.value{
  padding:30px 26px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.value:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.value h4{font-size:17.5px;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.value h4 i{width:6px;height:6px;border-radius:2px;background:var(--brand);display:inline-block}
.value p{font-size:14.8px;color:var(--ink-2);line-height:1.85}

/* ---------------- 业务页 ---------------- */
.biz-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.biz{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:36px 34px;position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.biz:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#d8e0f2}
.biz .icon{
  width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,#eef3ff,#f7faff);border:1px solid #dfe7fb;color:var(--brand);
  margin-bottom:22px;
}
.biz .icon svg{width:24px;height:24px}
.biz h3{font-size:20px;margin-bottom:12px}
.biz>p{font-size:15px;color:var(--ink-2);line-height:1.88}
.biz ul{margin-top:20px;display:grid;gap:10px;padding-top:20px;border-top:1px dashed #eaeef7}
.biz ul li{font-size:14.5px;color:var(--ink-2);display:flex;gap:10px}
.biz ul li::before{content:"";flex:0 0 auto;width:5px;height:5px;border-radius:50%;background:var(--brand);margin-top:9px}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--ink-2);
}

/* ---------------- 联系页 ---------------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-cards{display:grid;gap:16px}
.cc{
  display:flex;gap:16px;padding:24px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.cc:hover{border-color:#cfd9ef;box-shadow:var(--shadow-sm)}
.cc .icon{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;background:var(--brand-soft);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
}
.cc .icon svg{width:19px;height:19px}
.cc h4{font-size:14px;color:var(--ink-3);font-weight:600;letter-spacing:.04em;margin-bottom:5px}
.cc p,.cc a{font-size:15.4px;color:var(--ink);line-height:1.7;overflow-wrap:break-word}
.cc a:hover{color:var(--brand)}

.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:38px 36px;box-shadow:var(--shadow-sm);
}
.form-card h3{font-size:21px;margin-bottom:8px}
.form-card>p{font-size:14.5px;color:var(--ink-3);margin-bottom:26px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--ink-2);margin-bottom:7px;font-weight:500}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border-radius:11px;border:1px solid var(--line);
  background:#fbfcfe;font-family:inherit;font-size:15px;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(47,92,255,.12);
}
.form-note{font-size:12.8px;color:var(--ink-3);margin-top:14px;line-height:1.7}
.form-card .btn{width:100%;margin-top:6px}

/* ---------------- CTA 条 ---------------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:54px 56px;color:#fff;
  background:linear-gradient(115deg,#1b3ce0,#2f5cff 46%,#00a99a);
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.1);
}
.cta-band::after{
  content:"";position:absolute;right:110px;bottom:-120px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.07);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);position:relative;letter-spacing:-.01em}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.86);font-size:15.5px;position:relative;max-width:520px}
.cta-band .btn{position:relative;flex:0 0 auto}

/* ---------------- 页脚 ---------------- */
.site-footer{background:var(--dark);color:#93a1c2;padding:68px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:#6b7a9b}
.footer-about{font-size:14.2px;line-height:1.95;color:#8c9ab8;margin-top:20px;max-width:320px}
.footer-col h5{font-size:13px;color:#fff;letter-spacing:.12em;text-transform:uppercase;margin:0 0 18px;font-weight:600}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col li{font-size:14.2px;color:#8c9ab8;line-height:1.7}
.footer-col a{display:inline-block;padding:4px 0}
.footer-col li{padding:1px 0}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#6b7a9b;
}
.footer-bottom a{display:inline-block;padding:4px 0;color:#a3b0cc;text-decoration:none;transition:color .2s var(--ease),text-decoration-color .2s var(--ease);text-underline-offset:3px}
.footer-bottom a:hover{color:#fff;text-decoration:underline}

/* ---------------- 404 ---------------- */
.nf{min-height:62vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px 24px}
.nf b{font-size:96px;line-height:1;letter-spacing:-.04em;background:linear-gradient(120deg,var(--brand),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent;display:block}
.nf h1{font-size:24px;margin:18px 0 10px}
.nf p{color:var(--ink-2);margin-bottom:28px}

/* ---------------- 动效 ---------------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .float-card{animation:none}
  html{scroll-behavior:auto}
}

/* ---------------- 响应式 ---------------- */
@media (max-width:1080px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .hero-grid{gap:44px}
}
@media (max-width:900px){
  .nav,.header-cta{display:none}
  .nav-toggle{display:flex}
  .nav-open .nav{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;top:72px;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--line);padding:14px 24px 20px;
    box-shadow:0 20px 40px -24px rgba(13,21,38,.35);
  }
  .nav-open .nav a{padding:13px 14px;font-size:15.5px}
  .hero{padding:72px 0 68px}
  .hero-grid{grid-template-columns:1fr}
  .hero-art{max-width:400px;margin:36px auto 0;width:100%}
  .fc-1{left:0;top:0;font-size:12px;padding:10px 12px}
  .fc-2{right:0;bottom:0;font-size:12px;padding:10px 12px}
  .hero-lead{font-size:16px}
  .split,.split.reverse .split-media{grid-template-columns:1fr;order:0}
  .split{gap:32px}
  .split+.split{margin-top:64px}
  .info-grid,.contact-grid,.biz-grid,.value-grid{grid-template-columns:1fr}
  .value-grid{gap:16px}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:36px 20px;padding:52px 0}
  .stat:nth-child(3)::before{display:none}
  .section{padding:72px 0}
  .cta-band{padding:40px 32px}
  .form-row{grid-template-columns:1fr}
}
@media (max-width:600px){
  .container{padding:0 18px}
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero h1{font-size:31px}
  .hero-meta{gap:18px}
  .hero-meta b{font-size:17px}
  .footer-grid{grid-template-columns:1fr}
  .fact-list dt{flex:0 0 84px}
  .cta-band{padding:34px 24px}
  .form-card{padding:26px 22px}
  .biz{padding:28px 24px}
  .page-hero{padding:56px 0 60px}
}

/* 移动端：首屏图形上的标签在这种尺寸下不可读，隐藏纯装饰标签 */
@media (max-width:700px){
  .hero-pills{display:none}
}

/* ---------------- 首屏轮播 ---------------- */
.hero-slider{padding:64px 0 0}
.hero-slider .container{position:relative}
.hero .hero-car{background:transparent;border-radius:0}
.hero-car .carousel-track{align-items:stretch}
.hero-car .carousel-slide{display:flex;align-items:center;min-height:430px}
.hero-car .carousel-slide .hero-grid{width:100%;padding-bottom:64px}
.hero-slider .hero-meta{margin-top:8px;padding:26px 0 40px;border-top:1px solid rgba(255,255,255,.11)}
.hero-car .carousel-dots{bottom:22px}
.hero-car .carousel-arrow{width:40px;height:40px;top:auto;bottom:16px;transform:none;opacity:.6;
  background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.2)}
.hero-car .carousel-arrow:hover{opacity:1;background:rgba(255,255,255,.2)}
.hero-car .carousel-arrow.prev{left:auto;right:74px}
.hero-car .carousel-arrow.next{left:auto;right:20px}

@media (max-width:900px){
  .hero-car .carousel-arrow{display:none}
}
@media (max-width:900px){
  .hero-slider{padding:40px 0 0}
  .hero-car .carousel-slide{min-height:0}
  .hero-car .carousel-slide .hero-grid{padding-bottom:56px;gap:28px}
  .hero-slider .hero-meta{margin-top:4px;padding:22px 0 34px}
}

/* 手机上业务卡片横向滑动 */
.swipe-hint{display:none;text-align:center;font-size:13px;color:var(--ink-3);margin:14px 0 0}
.swipe-hint span{color:#b9c4d8}
@media (max-width:900px){
  .biz-grid{
    display:flex;flex-wrap:nowrap;gap:14px;
    overflow-x:auto;overscroll-behavior-x:contain;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
    margin:0 -18px;padding:4px 18px 12px;
    scrollbar-width:none;
  }
  .biz-grid::-webkit-scrollbar{display:none}
  .biz-grid .biz{
    flex:0 0 84%;max-width:84%;
    scroll-snap-align:center;scroll-snap-stop:always;
    box-shadow:0 2px 10px -6px rgba(13,21,38,.25);
  }
  .biz-grid .biz:hover{transform:none;box-shadow:0 2px 10px -6px rgba(13,21,38,.25)}
  .swipe-hint{display:block}
}

/* 三列步骤：手机上改回单列（原先用内联样式，覆盖不了断点） */
.steps-3{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){
  .steps-3{grid-template-columns:1fr}
}
/* 手机上收小首屏插图，避免首屏过高 */
@media (max-width:900px){
  .hero-slider .hero-art{max-width:290px;margin:8px auto 0}
  .hero-car .carousel-slide .hero-grid{padding-bottom:48px}
}