*,*::before,*::after{box-sizing:border-box}
:root{
  --ink:#10161c; --ink2:#3b4a54; --muted:#74838c;
  --line:#e3e8ec; --bg:#fff; --bg2:#f4f6f7;
  --accent:#0c5f63; --accent-d:#084a4e; --warm:#b07d2b;
  --radius:10px;
}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.65 "PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:min(1280px,92vw);margin-inline:auto}
.narrow{width:min(820px,92vw)}

.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:28px;height:66px}
.logo{display:flex;align-items:center;gap:9px}
.logo-mark{width:34px;height:34px;border-radius:8px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px}
.logo-text{display:flex;flex-direction:column;line-height:1.05;font-weight:700;letter-spacing:.06em;font-size:16px}
.logo-text small{font-weight:500;font-size:10px;color:var(--muted);letter-spacing:.12em;margin-top:3px}
.nav{display:flex;gap:26px;margin-left:8px}
.nav a{font-size:14px;color:var(--ink2);padding:6px 0;position:relative}
.nav a:hover{color:var(--accent)}
.nav a.on{color:var(--ink);font-weight:600}
.nav a.on::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent)}
.hdr-act{margin-left:auto;display:flex;align-items:center;gap:12px}
.lang-link{font-size:12px;font-weight:700;color:var(--accent);border:1px solid rgba(12,95,99,.28);border-radius:999px;padding:4px 10px}
.lang-link:hover{background:var(--bg2)}
.btn,.btn-ghost,.btn-line{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;border-radius:8px;font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer}
.btn{background:var(--accent);color:#fff}
.btn:hover{background:var(--accent-d)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.35)}
.btn-line{border-color:var(--line);color:var(--ink2);background:#fff}
.btn-line:hover{border-color:var(--accent);color:var(--accent)}

.hero{position:relative;height:min(74vh,680px);min-height:500px;display:flex;align-items:flex-end;overflow:hidden}
.hero-grid{position:absolute;inset:0;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(2,1fr);gap:2px}
.hero-cell img{width:100%;height:100%;object-fit:cover}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,14,18,.2),rgba(8,14,18,.6) 55%,rgba(8,14,18,.88))}
.hero-in{position:relative;padding-bottom:66px;color:#fff}
.hero-kicker{font-size:11px;letter-spacing:.24em;color:rgba(255,255,255,.72);margin:0 0 16px}
.hero h1{margin:0 0 18px;font-size:54px;line-height:1.12}
.hero-sub{margin:0 0 26px;max-width:560px;font-size:16px;color:rgba(255,255,255,.84)}
.hero-act{display:flex;gap:12px}

.sec{padding:68px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.sec-head h2{margin:0;font-size:25px}
.sec-head span,.sec-head a{color:var(--muted);font-size:13px}
.sec-head a:hover{color:var(--accent)}

.sgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.scard{display:grid;grid-template-columns:220px 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.2s}
.scard:hover{box-shadow:0 12px 30px rgba(16,22,28,.08);border-color:#cfd9dd}
.scard-img{background:var(--bg2);overflow:hidden}
.scard-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.scard:hover .scard-img img{transform:scale(1.04)}
.scard-body{padding:20px 22px}
.scard-body h3{margin:0 0 6px;font-size:19px}
.scard-loc{margin:0 0 10px;color:var(--accent);font-size:13px;font-weight:600}
.scard-intro{margin:0 0 14px;color:var(--muted);font-size:13px;line-height:1.7}

.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{display:inline-block;padding:3px 9px;border-radius:999px;background:var(--bg2);border:1px solid var(--line);font-size:11px;color:var(--ink2)}
a.tag:hover{border-color:var(--accent);color:var(--accent)}

.cgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ccard{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.2s}
.ccard:hover{border-color:#cfd9dd;box-shadow:0 10px 24px rgba(16,22,28,.07)}
.ccard-img{aspect-ratio:4/3;overflow:hidden;background:var(--bg2)}
.ccard-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.ccard:hover img{transform:scale(1.05)}
.ccard-body{display:flex;align-items:baseline;justify-content:space-between;padding:12px 14px}
.ccard-body h3{margin:0;font-size:15px}
.ccard-body span{font-size:12px;color:var(--muted)}

.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pgrid>*,.cgrid>*,.sgrid>*{min-width:0}
.card{display:block;min-width:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.2s}
.card:hover{border-color:#cfd9dd;box-shadow:0 10px 26px rgba(16,22,28,.07)}
.card-img{aspect-ratio:1/1;background:var(--bg2);overflow:hidden;position:relative;box-shadow:inset 0 0 0 1px rgba(16,22,28,.05)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:.45s}
.card:hover .card-img img{transform:scale(1.04)}
.card-meta{padding:11px 13px 13px}
.card-title{display:block;font-size:13.5px;font-weight:600;line-height:1.5;height:40px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.card-sub{display:block;margin-top:6px;font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-sub b{color:var(--accent);font-weight:600}

.band{background:var(--bg2)}
.band-in{display:flex;align-items:center;justify-content:space-between;gap:40px}
.band-in h2{margin:0 0 8px;font-size:23px}
.band-in p{margin:0;color:var(--muted);max-width:680px}

.page-head{padding:44px 0 22px}
.page-head h1{margin:0 0 8px;font-size:34px}
.page-head p{margin:0;color:var(--muted)}
.sec.compact{padding:34px 0}
.answer-panel{padding:24px 26px;background:var(--bg2);border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0}
.answer-panel h2{margin:0 0 10px;font-size:21px}
.answer-panel p{margin:0;color:var(--ink2);max-width:940px}
.compact-answer{margin:0 0 24px}
.fact-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.fact-links a{font-size:13px;color:var(--accent);border-bottom:1px solid rgba(12,95,99,.3);padding-bottom:2px}
.fact-links a:hover{border-color:var(--accent)}
.company-facts{margin:4px 0 12px}
.answer-lead{margin:0 0 14px;color:var(--ink2);font-size:14px;line-height:1.75}
.source-title{margin:-4px 0 12px;color:var(--muted);font-size:12.5px}
.record-code{margin:-6px 0 12px;color:var(--muted);font:12px/1.5 Consolas,monospace}
.product-faq{margin:8px 0 42px}
.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.qa-item{padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:8px}
.qa-item h3{margin:0 0 8px;font-size:14px;line-height:1.5}
.qa-item p{margin:0;font-size:13px;color:var(--muted);line-height:1.7}
.crumb{padding:22px 0 6px;font-size:13px;color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb span{color:var(--ink2)}
.stat{margin-top:6px}

.filter-bar{display:flex;align-items:center;gap:12px;padding:14px 0 22px;border-top:1px solid var(--line);flex-wrap:wrap}
.chips{display:flex;gap:7px;flex-wrap:wrap}
.chip{height:30px;padding:0 13px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:12.5px;color:var(--ink2)}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.filter-select{height:32px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:12.5px;color:var(--ink2);cursor:pointer;max-width:220px}
.filter-select:hover{border-color:var(--accent)}
.filter-input{margin-left:auto;height:36px;padding:0 13px;border:1px solid var(--line);border-radius:8px;font-size:13.5px;min-width:230px}

.sup-head{display:grid;grid-template-columns:1fr 380px;gap:44px;align-items:center;padding:16px 0 34px}
.sup-loc{margin:0 0 8px;color:var(--accent);font-size:13px;font-weight:600}
.sup-head h1{margin:0 0 12px;font-size:38px}
.sup-intro{margin:0 0 14px;color:var(--muted);max-width:620px}
.sup-meta{display:grid;grid-template-columns:92px 1fr;margin:18px 0 0;border-top:1px solid var(--line);font-size:13.5px}
.sup-meta dt,.sup-meta dd{margin:0;padding:9px 0;border-bottom:1px solid var(--line)}
.sup-meta dt{color:var(--muted)}
.sup-cover{border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3}
.sup-cover img{width:100%;height:100%;object-fit:cover}

.detail{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:46px;padding:18px 0 36px;align-items:start}
.detail>*{min-width:0}
.detail-media{min-width:0;border-radius:var(--radius);overflow:hidden;background:var(--bg2);position:sticky;top:86px}
.detail-media img#galleryMain{width:100%;max-width:100%;height:auto;display:block}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px;padding:10px;background:#fff;border-top:1px solid var(--line)}
.gally-item{padding:0;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff;cursor:pointer;aspect-ratio:1/1}
.gally-item img{width:100%;height:100%;object-fit:cover}
.gally-item.on{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.sup-badge{display:inline-block;margin-bottom:10px;padding:4px 10px;border-radius:6px;background:var(--accent);color:#fff;font-size:12px;font-weight:600}
.detail-info h1{margin:0 0 14px;font-size:30px;line-height:1.3}
.spec{display:grid;grid-template-columns:96px 1fr;margin:18px 0 24px;border-top:1px solid var(--line)}
.spec dt,.spec dd{margin:0;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.spec dt{color:var(--muted)}
.spec dd{font-weight:600}
.detail-act{display:flex;gap:12px}
.detail-act .btn-ghost{background:var(--bg2);color:var(--ink2);border-color:var(--line)}

.join-note{margin:40px 0 70px;padding:28px;border:1px dashed var(--line);border-radius:var(--radius);background:var(--bg2)}
.join-note h2{margin:0 0 8px;font-size:19px}
.join-note p{margin:0;color:var(--muted)}

.prose{padding-bottom:60px}
.prose h2{font-size:20px;margin:30px 0 8px}
.prose p{margin:0 0 14px;color:var(--ink2)}
.legal-wrap{padding-bottom:64px}
.legal-doc{padding:8px 0 30px}
.legal-head{padding:20px 0 26px;border-bottom:1px solid var(--line)}
.legal-head h1{margin:0 0 10px;font-size:36px}
.legal-meta{margin:0 0 18px;color:var(--muted);font-size:12.5px}
.legal-intro{margin:0;color:var(--ink2);font-size:16px;line-height:1.8}
.legal-doc section{padding:22px 0;border-bottom:1px solid var(--line)}
.legal-doc section h2{margin:0 0 10px;font-size:19px}
.legal-doc section p,.legal-doc section li{color:var(--ink2);line-height:1.8}
.legal-doc section p{margin:0 0 12px}
.legal-doc section ul,.legal-doc section ol{margin:8px 0 0;padding-left:22px}
.legal-doc section li+li{margin-top:6px}
.legal-doc section a,.legal-contact a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.legal-callout{margin:8px 0 6px;padding:20px 22px;border-left:3px solid var(--warm);background:#fbf6ec;border-radius:0 8px 8px 0}
.legal-callout strong{display:block;color:var(--ink);font-size:15px;margin-bottom:8px}
.legal-callout p{margin:0;color:var(--ink2);line-height:1.8}
.legal-contact{border-bottom:0!important}

.load-more{display:flex;justify-content:center;padding:38px 0 66px}

.ftr{background:#10161c;color:#c3cdd4;margin-top:40px}
.ftr-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding:52px 0 38px}
.ftr .logo-text{color:#fff}
.ftr .logo-text small{color:#7e8c95}
.ftr-note{margin:14px 0 0;font-size:13px;color:#8b9aa2;max-width:380px}
.ftr-col h4{margin:0 0 12px;font-size:13px;color:#fff}
.ftr-col a{display:block;font-size:13px;color:#9aa8b0;padding:5px 0}
.ftr-col a:hover{color:#fff}
.ftr-btm{border-top:1px solid #1d2a31;padding:16px 0 24px;font-size:12px;color:#718089}


/* 侧边悬浮沟通栏 */
.social{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:80;display:flex;flex-direction:column;gap:8px}
.soc{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;color:#45535c;
  display:grid;place-items:center;cursor:pointer;box-shadow:0 6px 18px rgba(16,22,28,.10);transition:.18s;padding:0}
.soc svg{width:20px;height:20px}
.soc:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(16,22,28,.16)}
.soc-wechat{color:#07c160}
.soc-wa{color:#25d366}
.soc-mail{color:#0c5f63}
.soc-fb{color:#1877f2}
.soc-yt{color:#ff0033}
.wechat-pop{position:absolute;right:52px;top:0;background:#fff;border:1px solid var(--line);border-radius:10px;
  box-shadow:0 14px 34px rgba(16,22,28,.16);padding:12px 14px;display:flex;flex-direction:column;gap:6px;min-width:150px;z-index:81}
.wechat-pop span{font-size:11px;color:var(--muted)}
.wechat-pop b{font:600 14px var(--mono)}
.wechat-pop button{align-self:flex-start;margin-top:2px;height:26px;padding:0 10px;border-radius:6px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:12px;color:var(--accent)}
.wechat-pop button:hover{border-color:var(--accent)}

/* 联系页 */
.contact-grid{display:grid;grid-template-columns:360px 1fr;gap:40px;padding:10px 0 70px;align-items:start}
.contact-grid h2{margin:0 0 16px;font-size:19px}
.ct-list{border-top:1px solid var(--line)}
.ct-row{display:flex;align-items:baseline;gap:14px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.ct-row span{width:82px;color:var(--muted);font-size:12.5px}
.ct-row b,.ct-row a{font-weight:600;word-break:break-all}
.ct-row a{color:var(--accent)}
.ct-note{margin:16px 0 0;font-size:12.5px;color:var(--muted);line-height:1.7}
.fb-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.fb-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fb-form label{display:flex;flex-direction:column;gap:7px;font-size:12.5px;color:var(--muted)}
.fb-form input[type=text],.fb-form textarea{width:100%;border:1px solid var(--line-strong);border-radius:8px;padding:10px 12px;
  font:14px/1.6 inherit;color:var(--ink);background:#fff}
.fb-form input[type=text]:focus,.fb-form textarea:focus{outline:2px solid #e6f0f1;border-color:var(--accent)}
.fb-block{margin-top:14px}
.fb-form textarea{resize:vertical;min-height:120px}
.fb-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.fb-foot{display:flex;align-items:center;gap:14px;margin-top:16px;flex-wrap:wrap}
.fb-hint{font-size:12.5px;color:var(--muted)}
.fb-hint a{color:var(--accent)}
.fb-msg{margin:12px 0 0;font-size:13px;min-height:18px}
.fb-msg.ok{color:var(--accent)}
.fb-msg.err{color:#ae2b2b}
.fb-msg a{color:var(--accent)}

@media (max-width:1080px){
  .sgrid{grid-template-columns:1fr}
  .pgrid,.cgrid{grid-template-columns:repeat(3,1fr)}
  .hero h1{font-size:42px}
}
@media (max-width:820px){
  .nav{display:none}
  .hdr-in{height:60px}
  .pgrid,.cgrid{grid-template-columns:repeat(2,1fr)}
  .hero{height:62vh;min-height:420px}
  .hero h1{font-size:32px}
  .scard{grid-template-columns:150px 1fr}
  .sup-head{grid-template-columns:1fr}
  .sup-cover{display:none}
  .detail{grid-template-columns:1fr;gap:22px}
  .detail-media{position:static}
  .ftr-in{grid-template-columns:1fr 1fr}
  .band-in{flex-direction:column;align-items:flex-start;gap:18px}
  .qa-grid{grid-template-columns:1fr}
}
@media (max-width:720px){
  .social{right:auto;left:50%;bottom:12px;top:auto;transform:translateX(-50%);flex-direction:row}
  .soc{width:38px;height:38px}
  .wechat-pop{right:auto;left:50%;top:auto;bottom:52px;transform:translateX(-50%)}
  .contact-grid{grid-template-columns:1fr;gap:26px}
  .fb-row{grid-template-columns:1fr}
}
@media (max-width:520px){
  .pgrid,.cgrid{grid-template-columns:1fr 1fr;gap:10px}
  .hero h1{font-size:27px}
  .hero-act{flex-direction:column;align-items:flex-start}
  .scard{grid-template-columns:112px 1fr}
  .filter-input{width:100%;min-width:0;margin-left:0}
  .ftr-in{grid-template-columns:1fr}
  .legal-head h1{font-size:29px}
}