/* ===== 鸿奇表带 独立站 · 样式 ===== */
:root{
  --ink:#14181d;
  --ink-2:#1e242c;
  --ink-3:#2b333d;
  --tan:#c08a4c;
  --tan-dark:#a3703a;
  --paper:#ffffff;
  --bg:#f5f6f7;
  --line:#e5e7ea;
  --text:#1f2429;
  --muted:#6b7480;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 8px 24px rgba(16,24,40,.06);
  --shadow-lg:0 12px 40px rgba(16,24,40,.14);
  --wrap:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.small{font-size:13px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:.18s ease;
  font-family:inherit;white-space:nowrap;
}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-primary{background:var(--tan);color:#fff;box-shadow:0 6px 16px rgba(192,138,76,.28)}
.btn-primary:hover{background:var(--tan-dark);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--tan);color:var(--tan-dark)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(20,24,29,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;gap:24px;height:70px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand-logo{
  height:40px;width:auto;display:block;
  filter:drop-shadow(0 2px 8px rgba(240,124,30,.35));
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;letter-spacing:.06em}
.brand-text em{font-size:9.5px;letter-spacing:.22em;color:rgba(255,255,255,.5);font-style:normal}
.nav{display:flex;gap:26px;margin-left:14px;flex:1}
.nav a{color:rgba(255,255,255,.78);font-size:15px;transition:.15s}
.nav a:hover{color:#fff}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12);
  border-radius:999px;padding:8px 14px;color:rgba(255,255,255,.7);
  transition:.18s;
}
.search:focus-within{background:rgba(255,255,255,.15);border-color:rgba(192,138,76,.7)}
.search input{
  border:0;background:transparent;outline:none;color:#fff;font-size:14px;width:180px;font-family:inherit;
}
.search input::placeholder{color:rgba(255,255,255,.45)}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{width:20px;height:2px;background:#fff;border-radius:2px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;isolation:isolate}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 400px at 12% 0%, rgba(192,138,76,.30), transparent 62%),
    radial-gradient(700px 420px at 92% 100%, rgba(70,110,160,.28), transparent 60%),
    linear-gradient(160deg,#151a20 0%,#1b222a 55%,#141a20 100%);
}
.hero-overlay{position:absolute;inset:0;background:rgba(0,0,0,.42)}
.hero-inner{position:relative;z-index:2;padding:86px 24px 74px;text-align:center}
.hero-eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--tan);
  border:1px solid rgba(192,138,76,.45);border-radius:999px;padding:6px 16px;margin-bottom:22px;
  background:rgba(192,138,76,.08);
}
.hero h1{font-size:clamp(30px,4.4vw,52px);letter-spacing:-.02em}
.hero-sub{margin:20px auto 0;max-width:640px;color:rgba(255,255,255,.78);font-size:17px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}

/* ---------- Sections ---------- */
.section{padding:76px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:26px}
.sortbox{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.sortbox select{
  font-family:inherit;font-size:14px;padding:8px 12px;border-radius:8px;
  border:1px solid var(--line);background:#fff;color:var(--text);outline:none;cursor:pointer;
}

/* Chips */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.chip{
  font-family:inherit;font-size:14px;padding:8px 18px;border-radius:999px;cursor:pointer;
  background:#fff;border:1px solid var(--line);color:var(--muted);transition:.16s;
}
.chip:hover{border-color:var(--tan);color:var(--tan-dark)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff}

/* Grid */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;cursor:pointer;transition:.2s ease;display:flex;flex-direction:column;
  box-shadow:var(--shadow);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#dcd6cc}
.card-media{position:relative;aspect-ratio:1/1;background:#eef0f2;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:.35s}
.card:hover .card-media img{transform:scale(1.05)}
.card-tag{
  position:absolute;left:12px;top:12px;font-size:12px;padding:4px 10px;border-radius:999px;
  background:rgba(20,24,29,.78);color:#fff;backdrop-filter:blur(4px);
}
.card-body{padding:15px 16px 18px;display:flex;flex-direction:column;gap:11px;flex:1}
.card-title{
  font-size:14.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:44px;
}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;gap:10px}
.card-price{font-size:13px;color:var(--tan-dark);font-weight:600}
.card-btn{
  font-size:13px;padding:7px 14px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-family:inherit;cursor:pointer;transition:.16s;white-space:nowrap;
}
.card:hover .card-btn{background:var(--tan);border-color:var(--tan);color:#fff}

.empty{text-align:center;padding:70px 0;color:var(--muted)}
.empty p{margin-bottom:16px}
.loadmore-wrap{display:flex;justify-content:center;margin-top:38px}
#loadMoreBtn{padding:12px 40px}

/* ---------- About ---------- */
.about{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
.about-text h2{font-size:26px;margin-bottom:18px}
.about-text p{color:#4b535d;margin-bottom:14px}
.about-text strong{color:var(--tan-dark)}
.about-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:11px}
.about-list li{position:relative;padding-left:24px;color:#3d454e;font-size:15px}
.about-list li::before{
  content:"";position:absolute;left:4px;top:9px;width:7px;height:7px;border-radius:50%;background:var(--tan);
}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mini-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 18px;display:flex;flex-direction:column;gap:6px;
}
.mini-card strong{font-size:16px}
.mini-card span{font-size:13px;color:var(--muted)}

/* ---------- Contact ---------- */
.contact-head{text-align:center;margin-bottom:34px}
.contact-head h2{font-size:26px;margin-bottom:10px}
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:24px}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
}
.contact-card h3{font-size:18px;margin-bottom:18px}
.contact-list{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:14px}
.contact-list li{display:flex;gap:14px;font-size:15px;align-items:baseline}
.contact-list span{color:var(--muted);font-size:13.5px;min-width:44px;flex-shrink:0}
.contact-list a{color:var(--tan-dark);font-weight:600}
.contact-list em{font-style:normal}

/* 微信二维码 */
.wechat-box{
  display:flex;align-items:center;gap:16px;margin-top:20px;padding:14px;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:#fafbfc;
}
.wechat-qr{
  width:132px;height:132px;flex-shrink:0;display:block;background:#fff;
  border:1px solid var(--line);border-radius:8px;padding:4px;
}
.wechat-meta{display:flex;flex-direction:column;gap:7px}
.wechat-meta strong{font-size:15px}
.wechat-meta span{font-size:13px;color:var(--muted);line-height:1.65}
.form{display:flex;flex-direction:column;gap:15px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13.5px;color:var(--muted)}
.field input,.field textarea{
  font-family:inherit;font-size:15px;padding:11px 14px;border:1px solid var(--line);
  border-radius:var(--radius-sm);outline:none;transition:.16s;background:#fbfbfc;color:var(--text);
  resize:vertical;
}
.field input:focus,.field textarea:focus{border-color:var(--tan);background:#fff;box-shadow:0 0 0 3px rgba(192,138,76,.12)}
.form button{margin-top:6px}
.form-note{font-size:13.5px;color:#2f7a4f;margin:0}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:44px 0}
.footer-inner{display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between}
.footer-brand{display:flex;align-items:center;gap:11px}
.footer-logo{height:28px;width:auto;max-width:28px;object-fit:contain;display:block;opacity:.95}
.site-footer strong{color:#fff;font-size:17px;letter-spacing:.05em}
.footer-nav{display:flex;gap:22px;flex-wrap:wrap;font-size:14px}
.footer-nav a:hover{color:#fff}

/* ---------- USP 优势条 ---------- */
.usp{background:#fff;border-bottom:1px solid var(--line)}
.usp-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.usp-item{padding:30px 26px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.usp-item:last-child{border-right:0}
.usp-item:first-child{padding-left:0}
.usp-ico{font-size:12px;letter-spacing:.16em;color:var(--tan);font-weight:700}
.usp-item h4{margin:0;font-size:16px}
.usp-item p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.6}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;gap:9px;align-items:center;flex-wrap:wrap;font-size:13.5px;color:var(--muted);padding:22px 0 6px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--tan-dark)}
.crumbs em{font-style:normal;color:var(--text);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 商品详情页 ---------- */
.pdp{display:grid;grid-template-columns:1fr 1fr;gap:52px;padding:22px 0 60px;align-items:start}
.pdp-media{position:sticky;top:92px}
.pdp-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  aspect-ratio:1/1;box-shadow:var(--shadow);
}
.pdp-main img{width:100%;height:100%;object-fit:cover}
.pdp-media-note{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center}
.pdp-info{display:flex;flex-direction:column;gap:16px}
.pdp-cat{
  display:inline-block;align-self:flex-start;font-size:12.5px;letter-spacing:.1em;
  color:var(--tan-dark);background:rgba(192,138,76,.12);border-radius:999px;padding:5px 14px;
}
.pdp-info h1{font-size:clamp(22px,2.6vw,30px);line-height:1.4}
.pdp-sub{color:var(--muted);font-size:15px}
.pdp-highlights{list-style:none;padding:0;margin:6px 0 0;display:grid;gap:10px}
.pdp-highlights li{position:relative;padding-left:24px;font-size:14.5px;color:#3d454e}
.pdp-highlights li::before{
  content:"";position:absolute;left:2px;top:8px;width:8px;height:8px;border-radius:50%;
  background:var(--tan);box-shadow:0 0 0 3px rgba(192,138,76,.16);
}
.pdp-spec{width:100%;border-collapse:collapse;margin-top:8px;font-size:14.5px;
  border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.pdp-spec th,.pdp-spec td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.pdp-spec tr:last-child th,.pdp-spec tr:last-child td{border-bottom:0}
.pdp-spec th{background:#fafbfc;color:var(--muted);font-weight:500;width:110px;white-space:nowrap}
.pdp-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.pdp-actions .btn-primary{padding:13px 34px}
.pdp-tip{font-size:13.5px;color:var(--muted);background:#fafbfc;border:1px dashed var(--line);
  border-radius:var(--radius-sm);padding:12px 16px}

.pdp-desc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 32px;box-shadow:var(--shadow)}
.pdp-desc h2{font-size:19px;margin-bottom:14px}
.pdp-desc p{color:#4b535d;font-size:15px;line-height:1.85}

.pdp-related,.pdp-inquiry{padding:56px 0}
.link-more{font-size:14px;color:var(--tan-dark);font-weight:600}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .about{grid-template-columns:1fr;gap:34px}
  .usp-inner{grid-template-columns:1fr 1fr}
  .usp-item{border-bottom:1px solid var(--line)}
  .usp-item:nth-child(2n){border-right:0}
  .usp-item:nth-child(1),.usp-item:nth-child(2){padding-top:26px}
  .usp-item:first-child{padding-left:26px}
  .pdp{grid-template-columns:1fr;gap:30px}
  .pdp-media{position:static}
}
@media (max-width:860px){
  .nav{
    position:absolute;top:70px;left:0;right:0;background:rgba(20,24,29,.98);
    flex-direction:column;gap:0;padding:0 24px;margin:0;
    max-height:0;overflow:hidden;transition:max-height .25s ease;
  }
  .nav.is-open{max-height:280px;padding:10px 24px 18px}
  .nav a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-toggle{display:flex}
  .search{display:none}
  .grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .contact-grid{grid-template-columns:1fr}
  .hero-inner{padding:60px 24px 52px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .pdp-desc{padding:24px 20px}
  .pdp-related,.pdp-inquiry{padding:40px 0}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .card-body{padding:12px 12px 14px;gap:8px}
  .card-title{font-size:13px;min-height:39px}
  .card-btn{display:none}
  .btn{padding:11px 18px;font-size:14px}
  .usp-inner{grid-template-columns:1fr}
  .usp-item{border-right:0;padding:20px 0}
  .usp-item:first-child{padding-left:0}
  .pdp-actions .btn{width:100%}
  .crumbs em{max-width:180px}
  .pdp-spec th{width:88px;padding:10px 12px}
  .pdp-spec td{padding:10px 12px;font-size:13.5px}
}