/* ============================================================
   SUPERTAP 速博特 · 新版前台样式 (响应式 / 专业 / SEO友好)
   ============================================================ */
:root{
  --red:#c8102e; --red2:#a50d25;
  --ink:#0e1c2b; --ink2:#1d3047; --steel:#5c6f84; --muted:#8595a6;
  --line:#e6ebf1; --bg:#f5f7fa; --paper:#fff; --gold:#c79a3a;
  --maxw:1200px; --r:14px;
  --shadow:0 10px 30px rgba(14,28,43,.08); --shadow2:0 20px 50px rgba(14,28,43,.16);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.clear{clear:both}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;padding:12px 24px;border-radius:10px;border:none;cursor:pointer;transition:.15s}
.btn-red{background:linear-gradient(150deg,var(--red),var(--red2));color:#fff;box-shadow:0 8px 20px rgba(200,16,46,.28)}
.btn-red:hover{filter:brightness(1.06)}
.btn-line{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.sec{padding:64px 0}
.sec-head{text-align:center;margin-bottom:40px}
.sec-head .ey{color:var(--red);font-weight:800;letter-spacing:.2em;font-size:13px;text-transform:uppercase}
.sec-head h2{font-size:32px;font-weight:800;margin-top:8px;letter-spacing:-.01em}
.sec-head p{color:var(--steel);margin-top:10px;font-size:16px}
.mist{background:var(--bg)}

/* ---------- top bar + nav ---------- */
.topbar{background:var(--ink);color:#cdd9e6;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#cdd9e6}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:20px;height:72px}
header.site .logo img{height:42px}
header.site .logo .lk{font-weight:900;font-size:24px;color:var(--red);letter-spacing:.5px}
nav.menu{margin-left:auto;display:flex;gap:4px}
nav.menu a{padding:10px 16px;font-weight:600;color:var(--ink2);border-radius:9px;font-size:15.5px}
nav.menu a:hover,nav.menu a.on{color:var(--red);background:#fbecef}
.htel{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--red);font-size:18px;white-space:nowrap}
.htel small{display:block;color:var(--muted);font-weight:600;font-size:11px}
.navtoggle{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);border-radius:9px;background:#fff;font-size:20px;align-items:center;justify-content:center}

/* ---------- hero ---------- */
.hero{position:relative;background:linear-gradient(135deg,#0c1b2e,#15273f 55%,#0c1b2e);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(200,16,46,.28),transparent 65%)}
.hero .wrap{position:relative;z-index:2;padding:78px 20px 84px}
.hero .ey{color:var(--gold);font-weight:800;letter-spacing:.22em;text-transform:uppercase;font-size:14px}
.hero h1{font-size:50px;line-height:1.12;font-weight:900;letter-spacing:-.02em;margin-top:16px;max-width:820px}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero .kw{font-size:19px;color:#c6d3e1;margin-top:20px;max-width:680px}
.hero .kw b{color:#fff}
.hero .cta{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.hero .pills{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}
.hero .pill{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600}

/* ---------- stat strip ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stats .s{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:22px;text-align:center;box-shadow:var(--shadow)}
.stats .n{font-size:34px;font-weight:900;color:var(--red)}
.stats .l{color:var(--steel);font-weight:600;margin-top:4px;font-size:14px}

/* ---------- category cards ---------- */
.catgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.catcard{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;text-align:center;box-shadow:var(--shadow);transition:.18s;display:block}
.catcard:hover{transform:translateY(-4px);border-color:var(--red);box-shadow:var(--shadow2)}
.catcard .ic{width:56px;height:56px;margin:0 auto 14px;border-radius:14px;background:linear-gradient(150deg,var(--ink2),#243a55);display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:26px;font-weight:800}
.catcard h3{font-size:18px;font-weight:750}
.catcard p{color:var(--muted);font-size:13px;margin-top:6px}

/* ---------- product grid ---------- */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pcard{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);transition:.18s}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow2)}
.pcard .img{aspect-ratio:1/1;background:#f0f3f7;overflow:hidden}
.pcard .img img{width:100%;height:100%;object-fit:cover;transition:.3s}
.pcard:hover .img img{transform:scale(1.05)}
.pcard .cap{padding:14px 16px}
.pcard .cap h3{font-size:15.5px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:45px}
.pcard .cap .more{color:var(--red);font-size:13px;font-weight:700;margin-top:6px;display:inline-block}

/* category filter bar */
.catbar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px}
.catbar a{padding:8px 18px;border:1px solid var(--line);border-radius:999px;font-weight:600;color:var(--ink2);font-size:14px;background:#fff}
.catbar a:hover,.catbar a.on{background:var(--red);color:#fff;border-color:var(--red)}

/* ---------- why / features ---------- */
.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat .f{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.feat .f .ic{width:48px;height:48px;border-radius:12px;background:#fbecef;color:var(--red);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;margin-bottom:14px}
.feat .f h3{font-size:18px;font-weight:750;margin-bottom:6px}
.feat .f p{color:var(--steel);font-size:14.5px}

/* ---------- about split ---------- */
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:46px;align-items:center}
.split .txt h2{font-size:30px;font-weight:800;letter-spacing:-.01em}
.split .txt .rule{width:60px;height:4px;background:var(--red);border-radius:3px;margin:16px 0}
.split .txt p{color:var(--steel);font-size:16px;margin-bottom:14px}
.split .pic{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow2);min-height:280px;background:#0c1b2e}
.split .pic img{width:100%;height:100%;object-fit:cover}

/* ---------- news ---------- */
.newsgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ncard{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);transition:.15s}
.ncard:hover{border-color:var(--red);transform:translateY(-3px)}
.ncard .dt{color:var(--gold);font-weight:700;font-size:13px}
.ncard h3{font-size:17px;font-weight:700;margin-top:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ncard .ex{color:var(--muted);font-size:14px;margin-top:8px}

/* lists (news list page) */
.nlist{list-style:none}
.nlist li{display:flex;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.nlist li:hover h3{color:var(--red)}
.nlist .dt{flex:none;width:96px;text-align:center;color:var(--steel)}
.nlist .dt .d{font-size:26px;font-weight:800;color:var(--ink)}
.nlist .dt .m{font-size:12px;color:var(--muted)}
.nlist h3{font-size:17px;font-weight:700}
.nlist p{color:var(--muted);font-size:14px;margin-top:4px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- CTA band ---------- */
.ctaband{background:linear-gradient(135deg,var(--red),var(--red2));color:#fff;text-align:center}
.ctaband .wrap{padding:54px 20px}
.ctaband h2{font-size:30px;font-weight:800}
.ctaband p{margin-top:10px;font-size:17px;opacity:.92}
.ctaband .btn{margin-top:24px}
.ctaband .btn-line{background:#fff;color:var(--red)}

/* ---------- breadcrumb / page head ---------- */
.pagehd{background:linear-gradient(135deg,#0c1b2e,#15273f);color:#fff;padding:46px 0}
.pagehd h1{font-size:32px;font-weight:800}
.pagehd .bc{margin-top:8px;color:#9fb2c6;font-size:14px}
.pagehd .bc a{color:#cdd9e6}

/* ---------- detail layout ---------- */
.detail{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start}
.detail .gallery .main{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#f0f3f7}
.detail .gallery .thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.detail .gallery .thumbs img{width:72px;height:72px;object-fit:cover;border:1px solid var(--line);border-radius:8px;cursor:pointer}
.detail .info h1{font-size:28px;font-weight:800;line-height:1.3}
.detail .info .cat{display:inline-block;background:#fbecef;color:var(--red);font-weight:700;font-size:13px;padding:4px 12px;border-radius:8px;margin:12px 0}
.detail .info .desc{color:var(--ink2);font-size:15px;margin:14px 0}
.detail .info .desc img{margin:8px 0;border-radius:8px}
.detail .info .act{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.prevnext{display:flex;justify-content:space-between;gap:16px;margin-top:30px;border-top:1px solid var(--line);padding-top:18px;color:var(--steel);font-size:14px}
.prevnext a:hover{color:var(--red)}

/* article (about/news/contact content) */
.article{max-width:860px;margin:0 auto}
.article h1{font-size:30px;font-weight:800;text-align:center}
.article .meta{text-align:center;color:var(--muted);margin:10px 0 26px;font-size:14px}
.article .body{font-size:16px;color:var(--ink2);line-height:1.9}
.article .body img{margin:14px auto;border-radius:10px}
.article .body p{margin-bottom:14px}

/* contact */
.cinfo{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:30px}
.cinfo .c{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);display:flex;gap:14px;align-items:flex-start}
.cinfo .c .ic{width:44px;height:44px;border-radius:11px;background:#fbecef;color:var(--red);display:flex;align-items:center;justify-content:center;font-size:20px;flex:none}
.cinfo .c .k{color:var(--muted);font-size:13px}
.cinfo .c .v{font-weight:700;font-size:16px;margin-top:2px}

/* ---------- footer ---------- */
footer.site{background:#0b1623;color:#9fb2c6;padding:48px 0 0;font-size:14px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px}
footer.site h4{color:#fff;font-size:16px;margin-bottom:14px}
footer.site a{display:block;color:#9fb2c6;margin-bottom:9px}
footer.site a:hover{color:#fff}
footer.site .lk{font-weight:900;font-size:24px;color:#fff}
footer.site .desc{margin-top:12px;line-height:1.8}
footer.site .copy{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding:18px 0;text-align:center;color:#6f8499;font-size:13px}
footer.site .copy a{display:inline;color:#6f8499}

.pager{display:flex;gap:8px;justify-content:center;margin-top:34px;flex-wrap:wrap}
.pager a,.pager span{padding:8px 14px;border:1px solid var(--line);border-radius:8px;color:var(--ink2);font-weight:600}
.pager .cur{background:var(--red);color:#fff;border-color:var(--red)}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .catgrid,.pgrid,.feat,.stats{grid-template-columns:repeat(2,1fr)}
  .newsgrid{grid-template-columns:1fr}
  .split,.detail{grid-template-columns:1fr;gap:26px}
  .footer-cols,footer.site .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .hero h1{font-size:34px}
  .sec{padding:46px 0}
  .sec-head h2{font-size:26px}
  nav.menu,.topbar{display:none}
  .navtoggle{display:flex}
  nav.menu.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:10px;gap:2px;box-shadow:var(--shadow)}
  .cinfo{grid-template-columns:1fr}
  footer.site .cols{grid-template-columns:1fr}
}
@media(max-width:480px){ .catgrid,.pgrid,.stats{grid-template-columns:1fr 1fr} .hero h1{font-size:29px} }

/* 热门定制 强化 */
.pcard .img{position:relative}
.hotbadge{position:absolute;top:10px;left:10px;background:linear-gradient(150deg,var(--red),var(--red2));color:#fff;font-size:12px;font-weight:800;padding:3px 11px;border-radius:7px;z-index:2;box-shadow:0 4px 10px rgba(200,16,46,.35)}
.featured-lead{padding-top:54px}
.featured-lead .sec-head h2{font-size:36px}
.featured-lead .pcard{border-width:1px}
.featured-lead .pcard:hover{border-color:var(--red)}

/* ---------- 开始定制 表单 ---------- */
.kform{max-width:960px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:30px 30px 26px}
.kgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px}
.fitem{display:flex;flex-direction:column;gap:6px}
.fitem.full{grid-column:1/-1}
.fitem label{font-weight:700;font-size:14px;color:var(--ink2)}
.fitem label .rq{color:var(--red);margin-right:2px}
.fitem input[type=text],.fitem select,.fitem textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px 12px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink)}
.fitem input[type=text]:focus,.fitem select:focus,.fitem textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(200,16,46,.12)}
.fitem textarea{resize:vertical;min-height:96px}
.radios{display:flex;gap:20px;flex-wrap:wrap;padding-top:4px}
.radios label{font-weight:600;display:inline-flex;align-items:center;gap:6px;font-size:14px;cursor:pointer}
.dimrow{display:flex;align-items:center;gap:8px}
.dimrow .gl{font-size:12px;color:var(--red);font-weight:700;white-space:nowrap}
.kform .note{color:var(--muted);font-size:13px;margin-bottom:18px;text-align:center}
.kform .note .rq{color:var(--red)}
.ksubmit{grid-column:1/-1;text-align:center;margin-top:10px}
@media(max-width:760px){.kgrid{grid-template-columns:1fr}.kform{padding:22px 18px}}

/* 导航“开始定制”高亮入口 */
nav.menu a.cta{background:linear-gradient(150deg,var(--red),var(--red2));color:#fff;font-weight:800;box-shadow:0 6px 16px rgba(200,16,46,.28)}
nav.menu a.cta:hover{color:#fff;filter:brightness(1.06);background:linear-gradient(150deg,var(--red),var(--red2))}