/* =========================================================
   凯扬通讯哈西旗舰店 · 官网前台样式
   设计 Token 与版式 1:1 沿用参考稿 index-v1.html
   ========================================================= */

/* ===== 设计 Token ===== */
:root{
  --bg: #0B131E;
  --bg-2: #0F1A28;
  --bg-3: #142338;
  --paper: #F5F7F9;
  --accent: #22C7B3;
  --accent-2: #0FA18F;
  --accent-soft: rgba(34,199,179,.14);
  --ink: #EAF0F5;
  --ink-dim: #9AA9BC;
  --ink-dark: #15222F;
  --ink-dark-dim: #5B6B7C;
  --line: rgba(255,255,255,.09);
  --line-dark: rgba(21,34,47,.12);
  --radius: 24px;
  --radius-s: 14px;
  --font-display: 'Orbitron','Noto Sans SC',sans-serif;
  --font-body: 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --shadow-card: 0 18px 50px rgba(2,8,16,.45);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--accent);color:#04201C}

/* ===== 通用工具 ===== */
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-display);
  font-size:13px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--accent);font-weight:500;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent)}
.section-title{
  font-size:clamp(28px,4vw,42px);
  font-weight:900;letter-spacing:.01em;
  line-height:1.25;margin:18px 0 20px;
}
.section-sub{color:var(--ink-dim);font-size:16px;max-width:640px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:16px;font-weight:700;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  white-space:nowrap;
}
.btn svg{flex:none}
.btn-primary{background:var(--accent);color:#04201C}
.btn-primary:hover{background:#2AD8C2;transform:translateY(-2px);box-shadow:0 12px 30px rgba(34,199,179,.35)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-dark{background:var(--ink-dark);color:#fff}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(21,34,47,.3)}
.hl{color:var(--accent);font-weight:700}

/* ===== 导航栏 ===== */
.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-nav.scrolled{background:rgba(11,19,30,.92);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;min-height:44px}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,var(--accent),#0E8E86);
  display:grid;place-items:center;color:#04201C;
}
.brand-name{font-size:20px;font-weight:900;letter-spacing:.02em}
.brand-name span{color:var(--accent)}
.brand-sub{font-size:11px;color:var(--ink-dim);letter-spacing:.18em;font-family:var(--font-display);margin-top:-2px}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none}
.nav-links a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 16px;
  font-size:15px;color:var(--ink-dim);border-radius:10px;transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.05)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-tel{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);color:var(--ink);
  font-weight:700;font-family:var(--font-display);font-size:15px;letter-spacing:.04em;
  transition:border-color .18s ease,color .18s ease;
}
.nav-tel:hover{border-color:var(--accent);color:var(--accent)}
.nav-tel .small{font-family:var(--font-body);font-weight:500;font-size:12px;color:var(--ink-dim)}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:transparent;place-items:center;color:var(--ink)}
.nav-burger svg{transition:transform .2s ease}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:120px 0 80px;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(8,14,24,.96) 0%,rgba(8,14,24,.82) 42%,rgba(8,14,24,.35) 72%,rgba(8,14,24,.55) 100%),
    linear-gradient(to top,rgba(11,19,30,1) 0%,rgba(11,19,30,0) 30%);
}
/* 图片未上传时的占位底纹 */
.hero-bg--empty{
  background:
    radial-gradient(1200px 600px at 78% 22%,rgba(34,199,179,.12),transparent 60%),
    linear-gradient(120deg,#0C1622 0%,#101F31 45%,#0B131E 100%);
}
.corner-tag{
  position:absolute;right:22px;bottom:22px;z-index:1;
  padding:7px 14px;border:1px dashed rgba(255,255,255,.22);border-radius:999px;
  font-size:12px;color:var(--ink-dim);letter-spacing:.04em;
}
.hero-inner{position:relative;z-index:2;max-width:1180px;margin:0 auto;padding:0 24px;width:100%}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:8px 16px;
  border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--ink-dim);
  background:rgba(255,255,255,.04);margin-bottom:26px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}
.hero h1{
  font-size:clamp(36px,6.4vw,72px);font-weight:900;line-height:1.12;letter-spacing:.01em;
  max-width:820px;
}
.hero h1 .accent{color:var(--accent)}
.hero-lead{
  margin-top:24px;font-size:clamp(17px,2vw,21px);color:#C7D2DE;font-weight:400;max-width:620px;
}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-points span{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  font-size:14px;color:#DCE4EC;
}
.hero-points svg{color:var(--accent);flex:none}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero-note{margin-top:22px;font-size:13.5px;color:var(--ink-dim);display:flex;align-items:center;gap:8px}
.hero-note svg{color:var(--accent);flex:none}

/* ===== 图片占位块 ===== */
.ph{
  width:100%;height:100%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  border:1px dashed rgba(255,255,255,.18);
  background:
    repeating-linear-gradient(45deg,rgba(255,255,255,.018) 0 12px,transparent 12px 24px),
    linear-gradient(160deg,#111E2E,#0C1522);
  color:var(--ink-dim);text-align:center;padding:20px;
}
.ph svg{color:rgba(34,199,179,.5);flex:none}
.ph span{font-size:14px;font-weight:700;color:#B9C5D2}
.ph em{font-style:normal;font-size:12px;color:#6E7E91;letter-spacing:.02em}
.ph--about{height:520px}

/* ===== 信任数据条 ===== */
.trustbar{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.trust-item{padding:34px 28px;display:flex;flex-direction:column;gap:6px;border-left:1px solid var(--line)}
.trust-item:first-child{border-left:none}
.trust-num{font-family:var(--font-display);font-size:34px;font-weight:700;color:var(--accent);line-height:1}
.trust-num small{font-size:16px;color:var(--ink);font-family:var(--font-body);font-weight:700}
.trust-label{font-size:14px;color:var(--ink-dim)}

/* ===== 店铺简介 ===== */
.about{background:var(--bg)}
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center;margin-top:20px}
.about-copy p{color:#C2CDD9;font-size:16.5px;margin-top:18px}
.about-feats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:30px}
.about-feat{
  display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:var(--radius-s);
  background:var(--bg-2);border:1px solid var(--line);
}
.about-feat svg{flex:none;color:var(--accent);margin-top:2px}
.about-feat b{display:block;font-size:15px;margin-bottom:2px}
.about-feat span{font-size:13px;color:var(--ink-dim)}
.about-media{position:relative}
.about-media .frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card)}
.about-media img{width:100%;height:520px;object-fit:cover}
.about-stamp{
  position:absolute;right:-18px;bottom:-22px;
  width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,#2AD8C2,var(--accent-2) 70%);
  display:grid;place-items:center;color:#04201C;
  box-shadow:0 20px 50px rgba(34,199,179,.4);
}
.about-stamp::before{
  content:"";position:absolute;inset:9px;border-radius:50%;border:1.5px dashed rgba(4,32,28,.45);
}
.stamp-inner{position:relative;text-align:center;line-height:1.2}
.stamp-inner b{display:block;font-size:22px;font-weight:900;letter-spacing:.12em}
.stamp-inner span{display:block;font-size:10.5px;letter-spacing:.2em;margin-top:3px;opacity:.85}

/* ===== 经营项目 ===== */
.services{background:var(--bg-2)}
.services-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:52px}
.svc-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.svc-card:hover{transform:translateY(-6px);border-color:rgba(34,199,179,.5);box-shadow:var(--shadow-card)}
.svc-media{position:relative;aspect-ratio:4/3;overflow:hidden}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.svc-card:hover .svc-media img{transform:scale(1.05)}
.svc-num{
  position:absolute;top:16px;left:16px;z-index:2;
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(11,19,30,.78);backdrop-filter:blur(6px);color:var(--accent);
  font-family:var(--font-display);font-weight:700;font-size:15px;
  border:1px solid rgba(34,199,179,.35);
}
.svc-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:8px;flex:1}
.svc-body h3{font-size:21px;font-weight:900;display:flex;align-items:center;gap:10px}
.svc-body h3 svg{color:var(--accent);flex:none}
.svc-body p{color:var(--ink-dim);font-size:15px}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:14px}
.svc-tags span{font-size:12.5px;color:var(--accent);background:var(--accent-soft);padding:5px 12px;border-radius:999px;border:1px solid rgba(34,199,179,.22)}

/* ===== 服务保障（浅色区） ===== */
.why{background:var(--paper);color:var(--ink-dark)}
.why .eyebrow{color:var(--accent-2)}
.why .section-sub{color:var(--ink-dark-dim)}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:52px}
.why-card{
  background:#fff;border:1px solid var(--line-dark);border-radius:var(--radius);
  padding:30px 26px;transition:transform .22s ease,box-shadow .22s ease;
}
.why-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(21,34,47,.12)}
.why-icon{
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;margin-bottom:20px;
  background:var(--accent-soft);color:var(--accent-2);
}
.why-card h3{font-size:18px;font-weight:900;margin-bottom:10px}
.why-card p{font-size:14.5px;color:var(--ink-dark-dim);line-height:1.8}
.why-cta{text-align:center;margin-top:54px}
.why-cta p{margin-bottom:22px;color:var(--ink-dark-dim);font-size:15px}

/* ===== 到店指南 ===== */
.visit{background:var(--bg);position:relative;overflow:hidden}
.visit::before{
  content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,199,179,.14),transparent 70%);
  pointer-events:none;
}
.visit-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:start;margin-top:44px;position:relative;z-index:1}
.visit-info{display:flex;flex-direction:column;gap:18px}
.visit-row{
  display:flex;gap:18px;padding:22px 24px;border-radius:var(--radius-s);
  background:var(--bg-2);border:1px solid var(--line);
}
.visit-row .vi{width:52px;height:52px;border-radius:14px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;flex:none}
.visit-row b{display:block;font-size:16px;margin-bottom:4px}
.visit-row p{font-size:14.5px;color:var(--ink-dim)}
.visit-row p .hl{color:var(--accent);font-weight:700}

/* 一键导航 */
.map-nav{
  padding:24px;border-radius:var(--radius-s);
  background:linear-gradient(150deg,#122136,#0E1826);
  border:1px solid rgba(34,199,179,.28);
}
.mn-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.mn-head > svg{color:var(--accent);flex:none;margin-top:2px}
.mn-head b{display:block;font-size:16px;margin-bottom:3px}
.mn-head span{font-size:13.5px;color:var(--ink-dim)}
.mn-btns{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.map-btn{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  min-height:86px;padding:14px 10px;border-radius:12px;
  background:rgba(34,199,179,.08);border:1px solid rgba(34,199,179,.28);
  transition:transform .18s ease,background .18s ease,border-color .18s ease;
}
.map-btn:hover{transform:translateY(-3px);background:rgba(34,199,179,.16);border-color:var(--accent)}
.mb-name{
  font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--accent);letter-spacing:.04em;
}
.mb-go{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:var(--ink-dim)}
.mb-go svg{color:var(--accent)}
.mn-addr{
  margin-top:16px;font-size:13px;color:var(--ink-dim);
  display:flex;align-items:center;gap:8px;
}
.mn-addr svg{color:var(--accent);flex:none}

.visit-card{
  border-radius:var(--radius);padding:34px 30px;text-align:center;
  background:linear-gradient(150deg,#122136,#0E1826);
  border:1px solid var(--line);position:sticky;top:96px;
}
.visit-card .person{width:74px;height:74px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}
.visit-card h3{font-size:21px;font-weight:900;margin-bottom:6px}
.visit-card .role{font-size:13px;color:var(--ink-dim);letter-spacing:.1em;margin-bottom:22px}
.visit-tel{
  display:flex;align-items:center;justify-content:center;gap:12px;
  font-family:var(--font-display);font-size:26px;font-weight:700;color:var(--accent);
  padding:16px;border:1px dashed rgba(34,199,179,.4);border-radius:var(--radius-s);margin-bottom:22px;
}
.visit-card .btn{width:100%}
.visit-tip{margin-top:16px;font-size:13px;color:var(--ink-dim);display:flex;align-items:center;justify-content:center;gap:8px}
.visit-tip svg{color:var(--accent);flex:none}
.visit-hours{margin:-10px 0 20px;font-size:14px;color:var(--ink-dim);display:flex;align-items:center;justify-content:center;gap:7px}
.visit-hours svg{color:var(--accent);flex:none}

/* ===== 页脚 ===== */
.site-footer{background:#070D15;border-top:1px solid var(--line);padding:56px 0 40px}
.footer-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
.footer-brand{max-width:340px}
.footer-brand p{font-size:14px;color:var(--ink-dim);margin-top:14px}
.footer-cols{display:flex;gap:64px;flex-wrap:wrap}
.footer-col h4{font-size:13px;letter-spacing:.16em;color:var(--ink-dim);font-weight:700;margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:14px;color:#B9C5D2;display:inline-flex;align-items:center;gap:8px}
.footer-col a:hover{color:var(--accent)}
.footer-col svg{color:var(--accent);flex:none}
.footer-bottom{
  margin-top:44px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-dim);
}
.footer-admin{margin-top:18px}
.footer-admin a{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;color:#5B6B7C;transition:color .18s ease;
}
.footer-admin a:hover{color:var(--accent)}

/* ===== 移动端菜单 ===== */
.mobile-menu{
  position:fixed;inset:0;z-index:90;background:rgba(7,13,21,.98);
  display:flex;flex-direction:column;justify-content:center;padding:40px 32px;gap:8px;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-menu a{
  font-size:26px;font-weight:700;padding:16px 0;color:var(--ink);border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;
}
.mobile-menu a span{color:var(--accent);font-size:16px;font-family:var(--font-display)}
.mobile-menu .m-tel{margin-top:26px}
.mobile-menu .m-tel a{display:inline-flex;gap:10px;border-bottom:none;color:var(--accent)}

/* ===== 滚动显现 ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item{border-left:none;border-top:1px solid var(--line)}
  .trust-item:nth-child(-n+2){border-top:none}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:48px}
  .visit-grid{grid-template-columns:1fr}
  .visit-card{position:static}
}
@media (max-width:760px){
  .section{padding:70px 0}
  .nav-links,.nav-cta .nav-tel{display:none}
  .nav-burger{display:grid}
  .hero{padding:110px 0 60px;min-height:auto}
  .svc-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .about-feats{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr 1fr}
  .trust-num{font-size:28px}
  .about-media img,.ph--about{height:340px}
  .about-stamp{width:120px;height:120px;right:-8px}
  .stamp-inner b{font-size:18px}
  .visit-tel{font-size:22px}
  .footer-cols{gap:32px}
  .mn-btns{grid-template-columns:1fr}
  .map-btn{min-height:64px;flex-direction:row;gap:12px}
  .corner-tag{right:14px;bottom:14px;font-size:11px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}