:root{
  --navy:#0b2a4a;--navy-2:#123a63;--navy-deep:#081f38;
  --ink:#142c43;--muted:#5b748c;
  --teal:#1a9e7a;--teal-light:#2eb88a;
  --orange:#d96c2a;--orange-hover:#c25e22;
  --bg:#fff;--bg-soft:#f7fcfa;--bg-tint:#e8f6f1;
  --line:#e4eef4;--radius:14px;
  --shadow:0 12px 34px rgba(11,42,74,.09);
  --font:"Inter","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul{list-style:none}
.container{width:min(1180px,92vw);margin:0 auto}

.header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header .inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;cursor:pointer}
.brand img{width:38px;height:38px;object-fit:contain}
.brand .name{display:flex;flex-direction:column;line-height:1.2}
.brand .name b{font-size:15px;font-weight:800;letter-spacing:.5px}
.brand .name span{font-size:10px;letter-spacing:2px;color:var(--muted)}
.nav{display:flex;align-items:center;gap:2px}
.nav a{padding:8px 16px;font-size:14px;color:var(--ink);transition:.2s;cursor:pointer;font-weight:500}
.nav a:hover{color:var(--teal)}
.header-right{display:flex;align-items:center;gap:14px}
.lang-toggle{font-size:13px;cursor:pointer;user-select:none;display:flex;align-items:center;gap:4px}
.lang-toggle .zh{color:var(--navy);font-weight:700}
.lang-toggle .en{color:var(--muted)}
.lang-toggle.active-en .en{color:var(--navy);font-weight:700}
.lang-toggle.active-en .zh{color:var(--muted);font-weight:400}
.cta-btn{padding:9px 20px;border-radius:999px;background:var(--orange);color:#fff;font-size:13px;font-weight:600;transition:.2s;cursor:pointer;border:0}
.cta-btn:hover{background:var(--orange-hover)}
.nav-toggle{display:none;width:40px;height:40px;border:0;background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{width:22px;height:2px;background:var(--navy);border-radius:2px}

.view{display:none}
.view.active{display:block}

.hero{background:
  radial-gradient(ellipse 62% 58% at 86% 2%,rgba(46,201,155,.22),transparent 62%),
  radial-gradient(ellipse 52% 52% at 2% 98%,rgba(56,132,255,.13),transparent 60%),
  linear-gradient(135deg,#ffffff 0%,#f5fcfa 44%,#e8f6f4 100%);
  color:var(--navy);overflow:hidden;padding-top:68px;position:relative;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 72% 20%,rgba(255,255,255,.92),transparent 58%),radial-gradient(ellipse at 26% 82%,rgba(46,201,155,.08),transparent 62%);pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:1fr;gap:40px;padding:70px 0 60px;position:relative;align-items:center}
.hero .tag{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:2.5px;color:#0e8f6c;font-weight:600;margin-bottom:24px}
.hero .tag::before{content:"";width:32px;height:1.5px;background:#0e8f6c}
.hero h1{font-size:clamp(34px,5.4vw,60px);line-height:1.15;font-weight:800;letter-spacing:-.5px;margin-bottom:18px;color:var(--navy)}
.hero .sub-en{font-size:clamp(14px,1.6vw,18px);color:#6d8aa1;letter-spacing:1px;margin-bottom:24px;font-weight:400}
.hero p.sub{font-size:16px;color:#3d617c;max-width:560px;margin-bottom:32px;line-height:1.8}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:14px;font-weight:600;transition:.2s;cursor:pointer;border:0}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-hover)}
.btn-ghost{border:1px solid rgba(11,42,74,.18);color:var(--navy);background:rgba(255,255,255,.75)}
.btn-ghost:hover{background:#fff;border-color:var(--teal);color:var(--teal)}

.carousel{position:relative;width:100%;max-width:560px;margin:0 auto;aspect-ratio:4/3}
.carousel .slides{position:absolute;inset:0}
.carousel .slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;border-radius:14px;overflow:hidden;box-shadow:0 20px 46px rgba(11,42,74,.16)}
.carousel .slide.active{opacity:1}
.carousel .slide img{width:100%;height:100%;object-fit:cover;border-radius:14px}
.carousel .slide .cap{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;background:linear-gradient(transparent,rgba(8,31,56,.85));font-size:13px;color:#e6f3fb}
.carousel .dots{position:absolute;bottom:-32px;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.carousel .dots button{width:8px;height:8px;border-radius:50%;border:0;background:rgba(11,42,74,.18);cursor:pointer;padding:0;transition:.2s}
.carousel .dots button.active{background:var(--teal);width:20px;border-radius:999px}

.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;padding:30px 0 40px;border-top:1px solid rgba(11,42,74,.1);position:relative}
.hero-stats .num{font-size:clamp(22px,3vw,30px);font-weight:800;color:#0e8f6c}
.hero-stats .lbl{font-size:13px;color:var(--muted);margin-top:2px}

.section{padding:80px 0}
.section.soft{background:var(--bg-soft)}
.sec-head{margin-bottom:48px}
.kicker{display:block;font-size:12px;letter-spacing:3px;color:var(--teal);font-weight:600;margin-bottom:12px}
.sec-head h2{font-size:clamp(26px,3.6vw,38px);font-weight:800;line-height:1.25;letter-spacing:-.5px;color:var(--navy)}
.sec-head p{color:var(--muted);margin-top:14px;max-width:720px;font-size:15px;line-height:1.8}

.grid{display:grid;grid-template-columns:1fr;gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;cursor:pointer;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .thumb{aspect-ratio:4/3;background:#fff;display:flex;align-items:center;justify-content:center;padding:24px;overflow:hidden;border-bottom:1px solid var(--line)}
.card .thumb img{max-width:100%;max-height:100%;object-fit:contain;transition:.3s;mix-blend-mode:multiply}
.card:hover .thumb img{transform:scale(1.05)}
.card .body{padding:22px 24px;flex:1;display:flex;flex-direction:column}
.card .cat{font-size:11px;letter-spacing:1.5px;color:var(--muted);font-weight:600;margin-bottom:8px}
.card h4{font-size:17px;font-weight:700;color:var(--navy);margin-bottom:8px}
.card p{font-size:13px;color:var(--muted);line-height:1.7;flex:1}
.card .more{display:inline-flex;align-items:center;gap:5px;margin-top:14px;color:var(--teal);font-size:13px;font-weight:600}

.family{margin:48px 0 20px;padding-top:32px;border-top:1px solid var(--line)}
.family:first-of-type{margin-top:0;padding-top:0;border-top:0}
.family h3{font-size:20px;font-weight:800;color:var(--navy);margin-bottom:16px}

.about-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:start}
.about-text h2{font-size:clamp(26px,3.4vw,36px);font-weight:800;line-height:1.3;letter-spacing:-.5px;margin-bottom:18px;color:var(--navy)}
.about-text p{color:var(--muted);margin-bottom:14px;font-size:15px;line-height:1.9}
.about-grid.about-single{grid-template-columns:1fr}
.about-grid.about-single .about-text{max-width:880px}

.honor-list{margin-top:20px}
.honor-row{display:grid;grid-template-columns:64px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.honor-row .yr{font-size:14px;font-weight:700;color:var(--navy)}
.honor-row h4{font-size:14px;font-weight:600;color:var(--ink)}


.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;cursor:pointer}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.news-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover}
.news-card.dark .thumb{background:linear-gradient(135deg,#e8f8f2,#e9f1fc);display:flex;align-items:center;justify-content:center;padding:30px}
.news-card.dark .thumb .award-label{font-size:12px;letter-spacing:2px;color:#5d8d82;font-weight:600;margin-bottom:12px;text-align:center}
.news-card.dark .thumb h3{color:var(--navy);font-size:18px;line-height:1.4;text-align:center}
.news-card .body{padding:20px}
.news-card .meta{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.news-card .meta .tag{font-size:11px;background:var(--bg-tint);color:var(--teal);padding:2px 8px;border-radius:5px;font-weight:600}
.news-card .meta .date{font-size:12px;color:var(--muted)}
.news-card h4{font-size:15px;font-weight:700;color:var(--navy);margin-bottom:6px;line-height:1.4}
.news-card p{font-size:13px;color:var(--muted)}

.contact-grid{display:grid;grid-template-columns:1fr;gap:24px}
.contact-card{background:linear-gradient(140deg,#eefaf5 0%,#edf5fd 100%);border:1px solid var(--line);border-radius:var(--radius);padding:36px;color:var(--ink);box-shadow:0 12px 34px rgba(11,42,74,.06)}
.contact-card h3{font-size:20px;font-weight:700;margin-bottom:24px;line-height:1.4;color:var(--navy)}
.info-row{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid rgba(11,42,74,.08)}
.info-row:last-of-type{border-bottom:0}
.info-row .ic{flex:none;width:36px;height:36px;border-radius:9px;background:rgba(26,158,122,.13);display:flex;align-items:center;justify-content:center}
.info-row b{display:block;font-size:11px;letter-spacing:1.5px;color:#7d95a8;margin-bottom:2px}
.info-row span{font-size:15px;color:var(--navy);font-weight:600}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr;gap:16px;margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:9px;font-size:15px;font-family:var(--font);color:var(--ink);background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal)}
.field textarea{min-height:100px;resize:vertical}
.form-bottom{display:flex;align-items:center;gap:14px;margin-top:8px;flex-wrap:wrap}
.form-bottom .fine{font-size:12px;color:var(--muted)}

.detail-back{display:inline-flex;align-items:center;gap:6px;color:var(--teal);font-size:14px;font-weight:600;margin-bottom:28px;cursor:pointer}
.detail-head{margin-bottom:36px}
.detail-head .cat{font-size:12px;letter-spacing:2px;color:var(--teal);font-weight:600;margin-bottom:10px}
.detail-head h1{font-size:clamp(26px,3.6vw,38px);font-weight:800;color:var(--navy);line-height:1.25}
.detail-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:start;margin-bottom:40px}
.detail-img{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;align-items:center;justify-content:center}
.detail-img img{max-width:100%;max-height:420px;object-fit:contain;mix-blend-mode:multiply}
.detail-info h3{font-size:20px;font-weight:800;color:var(--navy);margin:28px 0 12px;display:flex;align-items:center;gap:10px}
.detail-info h3:first-child{margin-top:0}
.detail-info h3::before{content:"";width:5px;height:20px;background:linear-gradient(var(--teal),#1e6fff);border-radius:3px}
.detail-info > p{color:var(--ink);font-size:15px;margin-bottom:16px;line-height:1.9}
.adv-list{margin:10px 0 20px;padding:0}
.adv-list li{display:flex;gap:10px;align-items:flex-start;padding:7px 0;font-size:14.5px;color:var(--ink);line-height:1.75}
.adv-list li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-top:11px}

.footer{background:var(--navy-deep);color:#9db8cf;padding:50px 0 20px}
.footer .grid{display:grid;grid-template-columns:1fr;gap:32px}
.footer .brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer .brand-row img{width:32px;height:32px}
.footer .brand-row b{color:#fff;font-size:16px;letter-spacing:.5px}
.footer p{font-size:13px;line-height:1.7}
.footer h5{color:#fff;font-size:13px;font-weight:700;margin-bottom:14px;letter-spacing:.5px}
.footer a{display:block;font-size:13px;color:#9db8cf;padding:3px 0;cursor:pointer}
.footer a:hover{color:#fff}
.footer .contact-line{display:flex;gap:8px;align-items:flex-start;font-size:13px;margin-bottom:8px}
.footer .bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;color:#7a9ab8}

@media(min-width:768px){
  .hero .wrap{grid-template-columns:1.05fr .95fr;padding:80px 0 60px}
  .hero-stats{grid-template-columns:repeat(3,1fr)}
  .grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:.9fr 1.1fr}
  .form-row{grid-template-columns:1fr 1fr}
  .detail-grid{grid-template-columns:1fr 1.2fr}
  .footer .grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}
}
@media(max-width:767px){
  .nav{position:fixed;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:14px 20px;gap:2px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:.3s;box-shadow:var(--shadow)}
  .nav.open{transform:translateY(0)}
  .nav a{width:100%;padding:12px 4px;font-size:16px}
  .header .cta-btn{display:none}
  .nav-toggle{display:flex}
}

/* ============ 多页面结构新增样式 ============ */
.nav a.active{color:var(--teal);font-weight:700}
.nav a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;background:var(--teal)}
.nav a{position:relative}
.btn-more{background:#fff;border:1px solid var(--line);color:var(--navy)}
.btn-more:hover{border-color:var(--teal);color:var(--teal)}

.page-hero{background:
  radial-gradient(ellipse 58% 70% at 88% 0%,rgba(46,201,155,.20),transparent 62%),
  radial-gradient(ellipse 50% 60% at 2% 100%,rgba(56,132,255,.10),transparent 60%),
  linear-gradient(135deg,#ffffff 0%,#f6fcfa 46%,#eaf7f5 100%);
  border-bottom:1px solid var(--line);padding:116px 0 52px;position:relative;overflow:hidden}
.page-hero .kicker{margin-bottom:14px}
.page-hero h1{font-size:clamp(27px,3.9vw,42px);font-weight:800;color:var(--navy);letter-spacing:-.5px;line-height:1.28;max-width:920px}
.page-hero p{color:var(--muted);margin-top:14px;max-width:720px;font-size:15px;line-height:1.85}
.crumb{font-size:12.5px;color:var(--muted);margin-bottom:18px;letter-spacing:.6px}
.crumb a:hover{color:var(--teal)}
.crumb span{color:var(--ink);font-weight:600}

.cta-band{background:linear-gradient(135deg,#e9f8f2 0%,#e8f0fc 100%);border-top:1px solid var(--line);padding:56px 0}
.cta-band .inner{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(21px,2.6vw,29px);font-weight:800;color:var(--navy);line-height:1.35;letter-spacing:-.4px}
.cta-band p{color:var(--muted);margin-top:8px;font-size:14px;max-width:560px}

.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:56px}
.pager a{display:block;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;background:#fff;transition:.2s}
.pager a:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.pager .lbl{font-size:11px;letter-spacing:2px;color:var(--muted);margin-bottom:6px}
.pager b{font-size:15px;color:var(--navy);line-height:1.45}
.pager .next{text-align:right}
.pager a.hidden{display:none}
.pager .empty{border:1px dashed var(--line);background:transparent}

.article-body{font-size:15px;line-height:2;color:var(--ink)}
.article-img{border-radius:var(--radius);margin:26px auto 30px;max-width:100%;height:auto;display:block}

.section-tight{padding:56px 0}
.split{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:768px){.split{grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}}

/* ============ 证书墙 ============ */
.cert-group{margin-top:34px}
.cert-group:first-of-type{margin-top:20px}
.cert-group-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.cert-group-head h4{font-size:14px;font-weight:700;color:var(--navy);letter-spacing:.5px;white-space:nowrap}
.cert-group-head .cnt{font-size:11px;font-weight:700;color:var(--teal);background:var(--bg-tint);border-radius:999px;padding:1px 9px;line-height:1.6}
.cert-group-head::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent)}
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(min-width:640px){.cert-grid{grid-template-columns:repeat(3,1fr);gap:18px}}
@media(min-width:1024px){.cert-grid{grid-template-columns:repeat(5,1fr)}}
.cert-item{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:7px;transition:.22s;cursor:zoom-in}
.cert-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfe3ec}
.cert-item img{width:100%;aspect-ratio:3/4;object-fit:contain;display:block;border-radius:5px;background:#fff}
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(8,25,42,.9);display:none;align-items:center;justify-content:center;padding:32px}
.lightbox.open{display:flex}
.lightbox img{max-width:min(880px,90vw);max-height:86vh;width:auto;height:auto;border-radius:6px;box-shadow:0 24px 60px rgba(0,0,0,.55)}
.lightbox .nav-btn{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:0;background:rgba(255,255,255,.14);color:#fff;font-size:22px;line-height:1;cursor:pointer}
.lightbox .nav-btn:hover{background:rgba(255,255,255,.28)}
.lightbox .prev{left:20px}
.lightbox .next{right:20px}
.lightbox .close{position:absolute;top:14px;right:20px;background:transparent;border:0;color:#fff;font-size:30px;line-height:1;cursor:pointer;opacity:.8}
.lightbox .close:hover{opacity:1}
@media(max-width:640px){.lightbox .nav-btn{width:38px;height:38px;font-size:18px}}

/* ============ 品牌字标 ============ */
.brand .name span{font-size:9.5px;letter-spacing:1.7px;font-weight:600;color:#7b93a7;text-transform:uppercase;white-space:nowrap;margin-top:1px}
@media(max-width:480px){.brand .name span{font-size:8px;letter-spacing:1.1px}}
.form-msg{margin-top:12px;font-size:13px;line-height:1.6;min-height:18px;color:var(--muted)}
.form-msg.ok{color:var(--teal);font-weight:600}
.form-msg.err{color:#c0392b}

/* ============ 大赛奖项证书（2 张并排） ============ */
.cert-grid--awards{grid-template-columns:repeat(2,1fr);max-width:640px}
@media(min-width:640px){.cert-grid--awards{grid-template-columns:repeat(2,1fr)}}