/* 广安铭品商贸 · 官网样式（零依赖，移动端优先） */
:root{
  --ink:#12263f;
  --ink-2:#3d5a80;
  --muted:#64748b;
  --line:#e3e9f2;
  --bg:#f6f8fb;
  --card:#ffffff;
  --brand:#14487a;
  --brand-d:#0e3255;
  --accent:#d94f2b;
  --accent-l:#fff3ee;
  --gold:#c9922f;
  --radius:14px;
  --shadow:0 2px 10px rgba(18,38,63,.06),0 12px 32px rgba(18,38,63,.06);
  --wrap:1120px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  line-height:1.75;font-size:16px;
}
img,svg{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--accent)}
h1,h2,h3{line-height:1.3;margin:0 0 .5em;letter-spacing:.2px}
h1{font-size:1.75rem}
h2{font-size:1.35rem}
h3{font-size:1.05rem}
p{margin:0 0 1em}
ul{margin:0 0 1em;padding-left:1.15em}
li{margin:.25em 0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}

/* 顶部导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:14px;height:58px}
.brand{display:flex;align-items:baseline;gap:8px;font-weight:800;font-size:1.06rem;color:var(--ink)}
.brand span{font-size:.62rem;font-weight:600;color:var(--muted);letter-spacing:1.4px}
.nav nav{margin-left:auto;display:flex;gap:16px;font-size:.9rem;overflow-x:auto}
.nav nav a{color:var(--ink-2);white-space:nowrap}
.nav nav a.cta{color:#fff;background:var(--accent);padding:6px 12px;border-radius:999px;font-weight:600}

/* Hero */
.hero{background:linear-gradient(160deg,var(--brand-d) 0%,var(--brand) 58%,#1c6aa8 100%);color:#fff;padding:44px 0 40px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 65%)}
.hero .wrap{position:relative}
.eyebrow{display:inline-block;font-size:.74rem;letter-spacing:2px;color:#bcd8f2;border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:3px 12px;margin-bottom:14px}
.hero h1{font-size:2rem;margin-bottom:.35em;color:#fff;font-weight:800}
.hero p{color:#dce9f7;max-width:640px;margin-bottom:1.1em}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-block;padding:11px 20px;border-radius:999px;font-weight:700;font-size:.95rem;border:1px solid transparent}
.btn-a{background:var(--accent);color:#fff}
.btn-a:hover{background:#bf4322;color:#fff}
.btn-b{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-b:hover{background:rgba(255,255,255,.2);color:#fff}

/* 区块 */
section{padding:38px 0}
.sec-bg{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:22px}
.sec-head .kicker{color:var(--accent);font-weight:700;font-size:.8rem;letter-spacing:1.5px;text-transform:uppercase}
.sec-head h2{margin-top:4px}
.lead{color:var(--muted)}

/* 门店卡 */
.stores{display:grid;gap:14px;grid-template-columns:1fr}
.store{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.store h3{margin-bottom:2px}
.store .tag{display:inline-block;font-size:.72rem;color:var(--brand);background:#eaf2fb;border-radius:999px;padding:2px 10px;margin-bottom:10px}
.store dl{margin:0 0 12px;font-size:.9rem}
.store dt{color:var(--muted);float:left;width:4.6em;clear:left}
.store dd{margin:0 0 4px;color:var(--ink-2)}
.store .go{margin-top:auto;font-weight:700;font-size:.92rem}

/* 三栏信息 */
.grid3{display:grid;gap:14px;grid-template-columns:1fr}
.box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.box h3{color:var(--brand)}
.box.accent{background:var(--accent-l);border-color:#f7d9cd}

/* 品牌标签 */
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:0;list-style:none;margin:0}
.chips li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:.86rem;color:var(--ink-2)}

/* 服务链 */
.flow{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:0;list-style:none;margin:0}
.flow li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 14px;font-size:.88rem;font-weight:600}
.flow li::after{content:"";display:none}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
.faq summary{cursor:pointer;padding:14px 16px;font-weight:700;list-style:none;position:relative;padding-right:42px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:16px;top:12px;color:var(--accent);font-size:1.2rem;font-weight:700}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 16px 14px;color:var(--ink-2);border-top:1px solid var(--line);margin-top:-1px;padding-top:12px}

/* 页脚 */
footer{background:#0d1f33;color:#9fb3c8;padding:30px 0 34px;font-size:.86rem;margin-top:10px}
footer a{color:#cfe0f0}
footer .nap{color:#cfe0f0;line-height:1.9}
footer .nap strong{color:#fff}
footer .fine{margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12);color:#7d93aa;font-size:.8rem}

/* 面包屑 */
.crumb{font-size:.82rem;color:var(--muted);padding:14px 0 0}
.crumb a{color:var(--muted)}

@media(min-width:760px){
  body{font-size:16.5px}
  h1{font-size:2.2rem}
  h2{font-size:1.6rem}
  .hero{padding:64px 0 58px}
  .hero h1{font-size:2.7rem}
  section{padding:54px 0}
  .stores{grid-template-columns:1fr 1fr}
  .grid3{grid-template-columns:repeat(3,1fr)}
  .nav nav{gap:22px}
}