/* ============================================================
   企业官网模板 · 设计系统 v2
   风格：现代商务科技风 (Modern Corporate Tech)
   主色：深墨蓝 ink + 高亮蓝 accent（金作品牌签名线）
   ============================================================ */
:root{
  --ink:#0E1F38;
  --ink-2:#15294A;
  --ink-3:#1E3A5F;
  --bg:#FFFFFF;
  --bg-soft:#F4F7FB;
  --bg-soft-2:#ECF1F8;
  --line:#E4EAF3;
  --text:#27323F;
  --muted:#697789;
  --accent:#2F6BFF;
  --accent-deep:#1F4FD0;
  --accent-soft:#E9F0FF;
  --gold:#B89150;
  --gold-soft:#F6EFE2;
  --ok:#1F9D6B;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 14px 40px rgba(14,31,56,.10);
  --shadow-sm:0 6px 18px rgba(14,31,56,.07);
  --maxw:1180px;
  --nav-h:68px;
  --font:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--soft{background:var(--bg-soft)}
.section--ink{background:var(--ink);color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section--ink .eyebrow{color:#7FA6FF}
.section--ink .eyebrow::before{background:#7FA6FF}
.sec-head{max-width:680px;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{
  font-size:34px;line-height:1.25;font-weight:700;color:var(--ink);
  margin:14px 0 14px;letter-spacing:-.01em;
}
.section--ink .sec-head h2{color:#fff}
.sec-head p{color:var(--muted);font-size:16px}
.section--ink .sec-head p{color:#B9C6DA}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;transition:.2s ease;white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(47,107,255,.28)}
.btn--primary:hover{background:var(--accent-deep);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--ink);background:var(--bg-soft)}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{background:var(--bg-soft)}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn--outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn .arrow{transition:transform .2s}
.btn:hover .arrow{transform:translateX(3px)}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:50;height:var(--nav-h);
  background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;transition:.25s;
}
.nav.scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 4px 20px rgba(14,31,56,.05)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;color:var(--ink);font-size:18px}
.brand__mark{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--ink),var(--ink-2));color:#fff;font-weight:700;font-size:16px;
  border:1px solid var(--gold);
}
.brand__en{font-size:11px;font-weight:500;letter-spacing:.14em;color:var(--muted);display:block;margin-top:-2px}
.nav__menu{display:flex;gap:30px;list-style:none}
.nav__menu a{font-size:15px;color:var(--text);font-weight:500;position:relative;padding:6px 0;transition:.2s}
.nav__menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:.2s}
.nav__menu a:hover,.nav__menu a.active{color:var(--ink)}
.nav__menu a:hover::after,.nav__menu a.active::after{width:100%}
.nav__cta{display:flex;align-items:center;gap:14px}
.nav__toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--ink)}

/* ---------- HERO ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:84px 0 92px}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 380px at 82% 18%,rgba(47,107,255,.30),transparent 60%),
    radial-gradient(520px 360px at 12% 92%,rgba(184,145,80,.18),transparent 60%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:26px 26px;mask-image:linear-gradient(180deg,#000,transparent 80%);
}
.hero__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero .eyebrow{color:#7FA6FF}
.hero .eyebrow::before{background:#7FA6FF}
.hero h1{font-size:52px;line-height:1.12;font-weight:800;letter-spacing:-.02em;margin:18px 0 20px}
.hero h1 .hl{color:#7FA6FF}
.hero p.lead{font-size:18px;color:#C4D0E2;max-width:520px;margin-bottom:32px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}
.hero__trust{margin-top:40px;display:flex;align-items:center;gap:26px;color:#9FB0C9;font-size:13px}
.hero__trust b{color:#fff;font-size:22px;font-weight:700;display:block;line-height:1.1}
/* hero 右侧产品视觉 */
.hero__visual{position:relative}
.win{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;
  padding:14px;backdrop-filter:blur(6px);box-shadow:0 30px 70px rgba(0,0,0,.35);
}
.win__bar{display:flex;gap:6px;margin-bottom:12px}
.win__bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.25)}
.win__body{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tile{background:rgba(255,255,255,.07);border-radius:10px;padding:14px}
.tile .k{font-size:11px;color:#9FB0C9}
.tile .v{font-size:24px;font-weight:700;color:#fff;margin-top:4px}
.tile .v small{font-size:12px;color:#5fd0a0;font-weight:600}
.tile--wide{grid-column:span 2}
.bars{display:flex;align-items:flex-end;gap:8px;height:72px;margin-top:8px}
.bars i{flex:1;background:linear-gradient(180deg,#7FA6FF,var(--accent));border-radius:4px 4px 0 0;opacity:.85}

/* ---------- 信任带 ---------- */
.trust{padding:42px 0;background:#fff;border-bottom:1px solid var(--line)}
.trust__label{text-align:center;font-size:13px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-bottom:22px}
.trust__logos{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 46px;align-items:center}
.trust__logos span{font-size:19px;font-weight:700;color:#9AA7B8;letter-spacing:.02em;transition:.2s}
.trust__logos span:hover{color:var(--ink)}

/* ---------- 服务卡片 ---------- */
.grid{display:grid;gap:24px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.svc{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;
  transition:.22s ease;position:relative;overflow:hidden;
}
.svc::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--accent);transition:.25s}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.svc:hover::before{width:100%}
.svc__ic{
  width:50px;height:50px;border-radius:12px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);margin-bottom:18px;
}
.svc__ic svg{width:24px;height:24px}
.svc h3{font-size:19px;color:var(--ink);margin-bottom:10px}
.svc p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.svc__more{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px}

/* ---------- 优势双栏 ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.feature__list{list-style:none;margin-top:24px;display:grid;gap:16px}
.feature__list li{display:flex;gap:14px;align-items:flex-start}
.feature__list .ck{
  flex:none;width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--accent);
  display:grid;place-items:center;font-size:14px;font-weight:700;margin-top:2px;
}
.feature__list b{color:var(--ink);display:block;font-size:16px}
.feature__list span{color:var(--muted);font-size:14.5px}
.feature__panel{
  background:var(--ink);border-radius:var(--radius);padding:34px;color:#fff;position:relative;overflow:hidden;
}
.feature__panel::after{content:"";position:absolute;right:-40px;bottom:-40px;width:200px;height:200px;
  background:radial-gradient(circle,rgba(47,107,255,.4),transparent 70%)}
.feature__panel h4{font-size:18px;margin-bottom:18px;color:#fff}
.feature__row{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14.5px}
.feature__row span{color:#B9C6DA}
.feature__row b{color:#fff}

/* ---------- 案例 ---------- */
.case{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;
  transition:.22s ease;display:flex;flex-direction:column;
}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.case__cover{height:180px;position:relative;display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px;letter-spacing:.04em}
.case__tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.9);color:var(--ink);font-size:12px;font-weight:600;padding:4px 11px;border-radius:20px}
.case__body{padding:22px;flex:1;display:flex;flex-direction:column}
.case__body h3{font-size:17px;color:var(--ink);margin-bottom:8px}
.case__body p{color:var(--muted);font-size:14px;flex:1}
.case__metric{margin-top:16px;display:flex;gap:22px;padding-top:16px;border-top:1px solid var(--line)}
.case__metric div b{display:block;font-size:22px;color:var(--accent);font-weight:800;line-height:1}
.case__metric div span{font-size:12.5px;color:var(--muted)}

/* ---------- 数据带 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.metrics .m b{display:block;font-size:46px;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1}
.metrics .m span{color:#A8B8D2;font-size:14.5px;margin-top:8px;display:block}
.metrics .m b .u{font-size:24px;color:#7FA6FF;margin-left:2px}

/* ---------- 资讯 ---------- */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news__card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.22s}
.news__card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.news__cover{height:150px;background:linear-gradient(135deg,var(--ink-2),var(--ink));position:relative}
.news__cover .tag{position:absolute;top:12px;left:12px;background:var(--accent);color:#fff;font-size:12px;padding:3px 10px;border-radius:6px}
.news__body{padding:20px}
.news__date{font-size:13px;color:var(--muted)}
.news__body h3{font-size:16.5px;color:var(--ink);margin:8px 0;line-height:1.4}
.news__body p{font-size:14px;color:var(--muted)}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--accent-deep),var(--accent));color:#fff;border-radius:20px;
  padding:54px 56px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%)}
.cta-band h2{font-size:30px;font-weight:700;position:relative}
.cta-band p{color:rgba(255,255,255,.85);margin-top:8px;position:relative}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:#C4D0E2;padding:64px 0 28px;font-size:14px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer .brand{color:#fff;margin-bottom:16px}
.footer__col h5{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.footer__col ul{list-style:none;display:grid;gap:11px}
.footer__col a{color:#AEBCD2;transition:.2s}
.footer__col a:hover{color:#fff}
.footer__contact li{display:flex;gap:10px;align-items:flex-start;color:#AEBCD2;margin-bottom:12px}
.footer__contact .ic{color:#7FA6FF;flex:none;margin-top:3px}
.footer__qr{width:84px;height:84px;background:#fff;border-radius:10px;margin-top:6px;display:grid;place-items:center;color:var(--ink);font-size:11px;text-align:center;font-weight:600;line-height:1.4}
.footer__brand{align-self:start}
.footer__brand p{display:none}          /* 品牌位只留 LOGO 与二维码，不显示介绍文案 */
.footer__qrwrap{margin-top:18px}
.footer__qrimg{width:84px;height:84px;border-radius:10px;background:#fff;display:block;object-fit:cover}
.footer__bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:46px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#8FA0BC;font-size:13px}

/* ---------- 内页通用 ---------- */
.page-hero{background:var(--ink);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(560px 320px at 85% 10%,rgba(47,107,255,.28),transparent 60%)}
.page-hero .crumb{color:#9FB0C9;font-size:13.5px;margin-bottom:14px}
.page-hero .crumb a:hover{color:#fff}
.page-hero h1{font-size:40px;font-weight:800;letter-spacing:-.01em;position:relative}
.page-hero p{color:#B9C6DA;font-size:16.5px;margin-top:14px;max-width:640px;position:relative}
.breadcrumb{padding:18px 0;font-size:13.5px;color:var(--muted)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb span{margin:0 8px;color:var(--line)}

/* 关于-引言 */
.lead-block{max-width:820px}
.lead-block .big{font-size:26px;line-height:1.6;color:var(--ink);font-weight:600;letter-spacing:-.01em}
.lead-block .big .hl{color:var(--accent)}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag-chip{background:var(--accent-soft);color:var(--accent-deep);font-size:13.5px;font-weight:600;padding:7px 15px;border-radius:30px}

/* 时间线 */
.timeline{position:relative;margin-top:20px;padding-left:30px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl{position:relative;padding:0 0 30px 0}
.tl::before{content:"";position:absolute;left:-30px;top:4px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--accent)}
.tl .yr{font-weight:700;color:var(--ink);font-size:16px}
.tl h4{font-size:17px;color:var(--ink);margin:4px 0 6px}
.tl p{color:var(--muted);font-size:14.5px}

/* 价值卡 */
.val{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.val .n{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.1em}
.val h3{font-size:18px;color:var(--ink);margin:10px 0 10px}
.val p{color:var(--muted);font-size:14.5px}

/* 详情-服务流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{position:relative;padding:24px 20px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-14px;left:20px;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
.step h4{font-size:16px;color:var(--ink);margin:8px 0 8px}
.step p{font-size:14px;color:var(--muted)}

/* 文章 */
.article{max-width:780px;margin:0 auto}
.article h2{font-size:24px;color:var(--ink);margin:30px 0 12px}
.article p{color:var(--text);margin-bottom:16px;font-size:16px}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:24px;display:flex;gap:16px}
.article__cover{height:340px;border-radius:var(--radius);background:linear-gradient(135deg,var(--ink-2),var(--accent-deep));margin-bottom:30px}
.news-layout{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start}
@media(max-width:980px){.news-layout{grid-template-columns:1fr;gap:32px}}
.newslist{display:grid;gap:18px}
.nl{display:grid;grid-template-columns:120px 1fr;gap:22px;padding:22px;border:1px solid var(--line);border-radius:var(--radius);transition:.2s;align-items:center}
.nl:hover{box-shadow:var(--shadow-sm);border-color:transparent}
.nl .date{color:var(--muted);font-size:13px}
.nl .tag{display:inline-block;background:var(--accent-soft);color:var(--accent-deep);font-size:12px;font-weight:600;padding:3px 10px;border-radius:6px;margin-bottom:6px}
.nl h3{font-size:18px;color:var(--ink);margin-bottom:6px}
.nl p{color:var(--muted);font-size:14.5px}
.news-side{position:sticky;top:90px}
.side-box{background:var(--bg-soft);border-radius:var(--radius);padding:22px;margin-bottom:18px}
.side-box h5{color:var(--ink);font-size:15px;margin-bottom:14px}
.side-box ul{list-style:none;display:grid;gap:10px}
.side-box a{color:var(--muted);font-size:14px}
.side-box a:hover{color:var(--accent)}

/* ---------- 联系页（不用企业电话） ---------- */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.contact__info{background:var(--ink);color:#fff;border-radius:var(--radius);padding:36px;position:relative;overflow:hidden}
.contact__info::after{content:"";position:absolute;right:-50px;bottom:-50px;width:220px;height:220px;background:radial-gradient(circle,rgba(47,107,255,.32),transparent 70%)}
.contact__info h3{font-size:20px;margin-bottom:22px;position:relative}
.ci{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px;position:relative}
.ci .ic{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.1);color:#7FA6FF;display:grid;place-items:center;flex:none}
.ci b{display:block;color:#fff;font-size:15px;font-weight:600}
.ci span{color:#AEBCD2;font-size:14px}
.ci .qr{width:88px;height:88px;background:#fff;border-radius:10px;display:grid;place-items:center;color:var(--ink);font-size:11px;font-weight:600;text-align:center;line-height:1.35;margin-top:4px}
.note-nophone{margin-top:18px;font-size:12.5px;color:#8FA0BC;position:relative;border-top:1px solid rgba(255,255,255,.12);padding-top:14px}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm)}
.form h3{font-size:20px;color:var(--ink);margin-bottom:6px}
.form .sub{color:var(--muted);font-size:14px;margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--ink);font-weight:600;margin-bottom:7px}
.field label .req{color:#E5484D;margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-family:inherit;font-size:14.5px;color:var(--text);background:#fff;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field textarea{resize:vertical;min-height:110px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .ok-msg{display:none;background:#E8F7F0;color:var(--ok);border:1px solid #B7E8D2;padding:14px 16px;border-radius:var(--radius-sm);font-size:14.5px;margin-bottom:18px}
.form .ok-msg.show{display:block}
.map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);height:240px;margin-top:30px;position:relative;background:linear-gradient(135deg,#e9eef6,#dde6f2)}
.map .pin{position:absolute;left:50%;top:50%;transform:translate(-50%,-100%);color:var(--accent)}
.map .mlabel{position:absolute;left:16px;bottom:14px;background:#fff;padding:8px 14px;border-radius:8px;font-size:13.5px;color:var(--ink);font-weight:600;box-shadow:var(--shadow-sm)}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .hero__inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:40px}
  .feature,.contact{grid-template-columns:1fr;gap:30px}
  .grid--3,.news{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr);gap:30px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .nav__menu{display:none}
  .nav__toggle{display:block}
}
@media(max-width:600px){
  .section{padding:64px 0}
  .hero{padding:56px 0 64px}
  .hero h1{font-size:32px}
  .sec-head h2{font-size:26px}
  .grid--3,.news,.grid--2{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:34px 26px}
  .cta-band h2{font-size:24px}
  .form .row{grid-template-columns:1fr}
  .nl{grid-template-columns:1fr;gap:8px}
  .container{padding:0 18px}
}