:root{--ink:#0f172a;--muted:#475569;--bg:#ffffff;--bg-alt:#f8fafc;--brand:#f59e0b}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Arial;color:var(--ink);background:var(--bg)}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid #e2e8f0}
.nav{height:64px;display:flex;align-items:center;justify-content:space-between}
.brand{font-weight:800}
.menu a{margin:0 10px;color:#334155}.menu a:hover{color:#b45309}
.lang button{border:1px solid #cbd5e1;background:#fff;padding:6px 12px;border-radius:999px;cursor:pointer;font-size:12px;margin-left:6px}
.lang .on{background:#0f172a;color:#fff}
.hero{padding:56px 0 24px;background:linear-gradient(180deg,#fff,#f6f8fb)}
.hero h1{font-size:clamp(28px,4.2vw,44px);line-height:1.2;margin:0 0 8px;color:#0f172a}
.hero p{color:var(--muted);max-width:760px;margin:6px 0}
.btn{display:inline-block;padding:10px 14px;border-radius:12px;border:1px solid #e2e8f0;background:#fff}
.btn.primary{background:var(--brand);color:#fff;border-color:#f59e0b}
.section{padding:56px 0}.h2{font-weight:800;font-size:22px;color:#0f172a;text-align:center;margin:0 0 18px}
.grid{display:grid;gap:16px}.cards{grid-template-columns:repeat(1,minmax(0,1fr))}
@media(min-width:720px){.cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;overflow:hidden;box-shadow:0 4px 14px rgba(2,6,23,.06)}.card .p{padding:12px}
.badge{position:absolute;left:10px;top:10px;background:rgba(245,158,11,.95);color:#fff;border-radius:999px;padding:4px 10px;font-size:12px}
.kv{display:flex;gap:18px;flex-wrap:wrap}.kv .box{flex:1 1 220px;background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:14px;text-align:center}
.footer{border-top:1px solid #e2e8f0;background:#fff;color:#64748b}.footer .row{height:58px;display:flex;align-items:center;justify-content:space-between}
.modal{position:fixed;inset:0;background:rgba(2,6,23,.55);display:none;align-items:center;justify-content:center;padding:20px}
.modal.on{display:flex}.modal .box{background:#fff;border-radius:16px;max-width:420px;width:100%;padding:20px;border:1px solid #e2e8f0}
.input{padding:10px;border:1px solid #e2e8f0;border-radius:10px;width:100%}
.note{font-size:12px;color:#64748b;background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:10px;margin-top:10px}
/* ---- Online Inquiry (two-column) ---- */
.form-two-col .row{display:grid;grid-template-columns: 1fr 1fr;gap:14px;margin-bottom:14px}
@media (max-width: 780px){.form-two-col .row{ grid-template-columns:1fr; }}
.form-two-col .field label{display:block;margin:0 0 6px;color:#0f172a;font-weight:600}
.form-two-col .field .req{ color:#ef4444; margin-left:6px; }
.form-two-col input,.form-two-col select,.form-two-col textarea{width:100%;padding:12px 12px;border:1px solid #d7dde4;border-radius:8px;background:#fff;outline:none;font-size:14px}
.form-two-col textarea{ resize:vertical; }
.form-two-col .col-span-2{ grid-column:span 2; }
@media (max-width:780px){ .form-two-col .col-span-2{ grid-column:span 1; } }
.form-two-col .captcha-line{display:flex; align-items:center; gap:10px}
.form-two-col .captcha-img{padding:10px 14px;border:1px dashed #cbd5e1;border-radius:8px;color:#0f172a;background:#f8fafc;font-weight:700;letter-spacing:1px}
.btn.danger{background:#e11d48;color:#fff;border:none;border-radius:8px;padding:12px 40px;font-weight:700;cursor:pointer}
.btn.danger:hover{ filter:brightness(0.95); }

/* --- 证书/轮播样式（原样） --- */
.gallery-pl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.gallery-pl .ph,.gallery-pl a{display:block;height:140px;border:1px dashed #e2e8f0;border-radius:12px;background:repeating-linear-gradient(45deg,#f1f5f9 0 12px,#fff 12px 24px)}
@media (max-width:920px){.gallery-pl{ grid-template-columns:repeat(2,1fr) }}
.hero-slider{position:relative;border:1px solid #e2e8f0;border-radius:16px;overflow:hidden;background:#fff}
.slider-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;height:360px}
.slider-track::-webkit-scrollbar{display:none}
.slider-track>img{flex:0 0 100%;width:100%;height:100%;object-fit:cover;scroll-snap-align:center}
.slider-nav{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:999px;border:1px solid #e2e8f0;background:rgba(255,255,255,.9);display:grid;place-items:center;cursor:pointer;color:#0f172a}
.slider-nav:hover{background:#fff}.slider-nav.prev{left:10px}.slider-nav.next{right:10px}
.slider-dots{position:absolute;left:0;right:0;bottom:8px;display:flex;gap:6px;justify-content:center}
.slider-dots button{width:8px;height:8px;border-radius:999px;border:0;background:#cbd5e1;opacity:.8;cursor:pointer}
.slider-dots button.on{background:#f59e0b;opacity:1}
@media (max-width:920px){ .slider-track{height:220px} }
#certs .gallery-pl{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
#certs .gallery-pl a,#certs .gallery-pl .ph{height:240px}
#certs .gallery-pl img{width:100%;height:100%;object-fit:contain;background:#fff;padding:8px;border-radius:12px;box-shadow:0 0 0 1px #e2e8f0 inset}
@media (max-width:920px){#certs .gallery-pl a,#certs .gallery-pl .ph{height:200px}}

#company .company-intro{display:grid;grid-template-columns:1.05fr .95fr;gap:24px}
@media (max-width:920px){ #company .company-intro{ grid-template-columns:1fr; } }
#company .intro-card{background:linear-gradient(180deg,#ffffff,#fafcff);border:1px solid #e2e8f0;border-radius:16px;padding:18px;box-shadow:0 2px 10px rgba(2,6,23,.04)}
#company .eyebrow{display:inline-block;font-size:12px;letter-spacing:.04em;color:#64748b;border:1px solid #e2e8f0;background:#fff;border-radius:999px;padding:4px 10px;margin-bottom:8px}
#company .badges{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 6px}
#company .badge-soft{font-size:12px;color:#0f172a;background:#fff;border:1px solid #e2e8f0;border-radius:999px;padding:6px 10px}
#company .kpi-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:14px 0}
#company .kpi{background:#fff;border:1px dashed #e2e8f0;border-radius:12px;padding:12px}
#company .kpi .big{font-weight:800;font-size:20px;color:#0f172a}
#company .kpi .sub{color:#64748b;font-size:12px;margin-top:2px}
#company .cta-row{display:flex;gap:10px;margin-top:8px}
#company .btn{display:inline-block;padding:10px 14px;border-radius:12px;background:#f59e0b;color:#111827;text-decoration:none}
#company .btn.ghost{background:#fff;border:1px solid #e2e8f0;color:#0f172a}
#company .hero-slider{border-radius:16px}

/* ✅ 新增小工具类（不影响现有布局） */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.visually-hidden{position:absolute!important;clip:rect(1px,1px,1px,1px);padding:0;border:0;height:1px;width:1px;overflow:hidden}
/* === FAQs styles (新增) === */
.faq .faq-list{max-width:920px;margin:10px auto 0;display:grid;gap:10px}
.faq-item{border:1px solid #e2e8f0;border-radius:12px;background:#fff;overflow:hidden}
.faq-item>summary{list-style:none;cursor:pointer;padding:14px 16px;font-weight:700;display:flex;align-items:center;gap:8px}
.faq-item>summary::-webkit-details-marker{display:none}
.faq-item>summary::after{content:"＋";margin-left:auto;color:#64748b}
.faq-item[open]>summary::after{content:"－";color:#0ea5e9}
.faq-answer{padding:0 16px 14px;color:#475569;border-top:1px dashed #e2e8f0}
.faq .h2{margin-bottom:12px}