@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:wght@600;700&family=Poppins:wght@500;600;700&display=swap');
:root{
  --ms253-primary:#3764bc;
  --ms253-primary-d:#2b4e93;
  --ms253-dark:#130e2e;
  --ms253-accent:#4c63a9;
  --ms253-bg:#fbfcfd;
  --ms253-soft:#edf1f8;
  --ms253-text:#1f2733;
  --ms253-muted:#6b7585;
  --ms253-line:#e2e3e4;
  --ms253-radius:14px;
  --ms253-radius-sm:10px;
  --ms253-shadow:0 8px 30px rgba(20,30,60,.08);
  --ms253-shadow-h:0 16px 44px rgba(20,30,60,.16);
  --ms253-fh:'Poppins', 'Inter', sans-serif;
  --ms253-fb:'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
body.theme-ms253{font-family:var(--ms253-fb);color:var(--ms253-text);background:var(--ms253-bg);line-height:1.65;}
body.theme-ms253 h1,body.theme-ms253 h2,body.theme-ms253 h3,body.theme-ms253 h4{font-family:var(--ms253-fh);color:var(--ms253-dark);font-weight:700;line-height:1.22;letter-spacing:-.01em;}
body.theme-ms253 a{color:inherit;text-decoration:none;}
body.theme-ms253 img{max-width:100%;}
body.theme-ms253 .wrap{max-width:1200px;margin:0 auto;padding:0 18px;}

/* 公共外壳主题化 */
body.theme-ms253 .fw-topbar{background:var(--ms253-dark);color:#e8edf4;border-bottom:0;}
body.theme-ms253 .fw-topbar a{color:#cdd6e3;}
body.theme-ms253 .fw-topbar a:hover{color:#fff;}
body.theme-ms253 .site-header{background:#fff;border-bottom:2px solid var(--ms253-primary);box-shadow:0 2px 14px rgba(20,30,60,.05);}
body.theme-ms253 .site-header .logo{color:var(--ms253-dark);font-family:var(--ms253-fh);font-weight:700;font-size:22px;}
body.theme-ms253 .nav-lk{color:var(--ms253-dark);}
body.theme-ms253 .nav-lk:hover,body.theme-ms253 .nav-item.on>.nav-lk{color:var(--ms253-primary);}
body.theme-ms253 .nav-sub{background:#fff;box-shadow:var(--ms253-shadow);}
body.theme-ms253 .site-footer{background:var(--ms253-dark);color:#c2ccda;}
body.theme-ms253 .site-footer h4{color:#fff;}
body.theme-ms253 .site-footer a{color:#c2ccda;}
body.theme-ms253 .site-footer a:hover{color:#fff;}
body.theme-ms253 .fw-fbottom{border-top:1px solid rgba(255,255,255,.12);}

/* 通用按钮 */
.ms253-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:var(--ms253-radius-sm);font-weight:600;font-size:15px;cursor:pointer;border:1.5px solid transparent;transition:.18s;font-family:var(--ms253-fb);}
.ms253-btn-primary{background:var(--ms253-primary);color:#fff;}
.ms253-btn-primary:hover{background:var(--ms253-primary-d);box-shadow:var(--ms253-shadow-h);transform:translateY(-1px);}
.ms253-btn-outline{background:transparent;color:var(--ms253-primary);border-color:var(--ms253-primary);}
.ms253-btn-outline:hover{background:var(--ms253-primary);color:#fff;}
.ms253-btn-ghost{background:#fff;color:var(--ms253-dark);border-color:var(--ms253-line);}
.ms253-btn-ghost:hover{border-color:var(--ms253-primary);color:var(--ms253-primary);}

/* Hero */
.ms253-hero{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--ms253-dark),var(--ms253-primary-d));color:#fff;}
.ms253-hero .ms253-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:72px 18px;}
.ms253-hero h1{color:#fff;font-size:clamp(30px,4.4vw,52px);margin:0 0 16px;}
.ms253-hero p{font-size:17px;color:rgba(255,255,255,.86);margin:0 0 26px;max-width:46ch;}
.ms253-hero-visual{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--ms253-radius);min-height:240px;display:flex;align-items:center;justify-content:center;font-family:var(--ms253-fh);font-size:22px;color:rgba(255,255,255,.92);}
.ms253-hero-dots{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:8px;}
.ms253-hero-dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.4);display:block;}
.ms253-hero-dots i.on{background:#fff;}

/* 区块 */
.ms253-section{padding:64px 0;}
.ms253-section.ms253-alt{background:var(--ms253-soft);}
.ms253-sec-head{margin:0 0 34px;text-align:center;}
.ms253-sec-head h2{font-size:clamp(24px,3vw,34px);margin:0 0 8px;}
.ms253-sec-head p{color:var(--ms253-muted);margin:0;}
.ms253-sec-head.ms253-row{display:flex;align-items:flex-end;justify-content:space-between;text-align:left;}
.ms253-seeall{color:var(--ms253-primary);font-weight:600;font-size:14px;white-space:nowrap;}

/* 分类网格 */
.ms253-cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.ms253-cat{display:block;background:#fff;border:1px solid var(--ms253-line);border-radius:var(--ms253-radius);overflow:hidden;transition:.18s;text-align:center;}
.ms253-cat:hover{box-shadow:var(--ms253-shadow);transform:translateY(-3px);border-color:var(--ms253-primary);}
.ms253-cat-img{display:block;aspect-ratio:1/1;background:var(--ms253-soft);}
.ms253-cat-img img{width:100%;height:100%;object-fit:cover;}
.ms253-cat-ph{display:flex;align-items:center;justify-content:center;height:100%;color:var(--ms253-muted);font-weight:600;padding:14px;}
.ms253-cat-name{display:block;padding:12px;font-weight:600;color:var(--ms253-dark);}

/* 产品网格 */
.ms253-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.ms253-pcard{background:#fff;border:1px solid var(--ms253-line);border-radius:var(--ms253-radius);overflow:hidden;transition:.18s;display:flex;flex-direction:column;}
.ms253-pcard:hover{box-shadow:var(--ms253-shadow);transform:translateY(-4px);}
.ms253-pcard-img{position:relative;aspect-ratio:1/1;background:var(--ms253-soft);overflow:hidden;}
.ms253-pcard-img img{width:100%;height:100%;object-fit:cover;transition:.3s;}
.ms253-pcard:hover .ms253-pcard-img img{transform:scale(1.05);}
.ms253-noimg{display:flex;align-items:center;justify-content:center;height:100%;color:var(--ms253-muted);font-weight:600;padding:14px;text-align:center;}
.ms253-tag{position:absolute;top:10px;left:10px;background:var(--ms253-primary);color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:6px;}
.ms253-tag.accent{background:var(--ms253-accent);}
.ms253-pcard-body{padding:14px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.ms253-pcard-body h3{font-size:16px;margin:0;color:var(--ms253-dark);}
.ms253-pcard-price{color:var(--ms253-primary);font-weight:700;margin:0;}
.ms253-pcard-acts{margin-top:auto;display:flex;gap:8px;flex-wrap:wrap;}
.ms253-pcard-acts a{flex:1;text-align:center;font-size:13px;padding:8px 10px;border-radius:8px;}

/* 关于 / 信任 */
.ms253-about-inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.ms253-about-img img{border-radius:var(--ms253-radius);width:100%;}
.ms253-eyebrow{display:inline-block;color:var(--ms253-primary);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:13px;margin-bottom:10px;}
.ms253-trust-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;align-items:center;}
.ms253-trust-item{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--ms253-muted);font-size:14px;text-align:center;}
.ms253-trust-item img{max-height:46px;width:auto;}

/* CTA */
.ms253-cta{background:linear-gradient(120deg,var(--ms253-primary),var(--ms253-primary-d));color:#fff;text-align:center;padding:64px 18px;}
.ms253-cta h2{color:#fff;margin:0 0 12px;}
.ms253-cta p{color:rgba(255,255,255,.9);margin:0 0 24px;}
.ms253-cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.ms253-cta .ms253-btn-outline{color:#fff;border-color:#fff;}
.ms253-cta .ms253-btn-outline:hover{background:#fff;color:var(--ms253-primary);}

/* 产品列表页 */
.ms253-prod-layout{display:grid;grid-template-columns:240px 1fr;gap:30px;padding:40px 0;align-items:start;}
.ms253-prod-side{position:sticky;top:90px;background:#fff;border:1px solid var(--ms253-line);border-radius:var(--ms253-radius);padding:18px;}
.ms253-side-title{font-size:16px;margin:0 0 12px;color:var(--ms253-dark);}
.ms253-cat-filter{list-style:none;margin:0 0 12px;padding:0;}
.ms253-cat-filter a,.ms253-cat-node>a{display:block;padding:8px 10px;border-radius:8px;color:var(--ms253-text);font-size:14px;}
.ms253-cat-filter a:hover,.ms253-cat-node>a:hover{background:var(--ms253-soft);color:var(--ms253-primary);}
.ms253-cat-filter .on,.ms253-cat-node.on>a{background:var(--ms253-primary);color:#fff;}
.ms253-cat-tree{list-style:none;margin:0;padding-left:12px;}
.ms253-cat-tree .ms253-cat-tree{padding-left:14px;}
.ms253-view-toggle{display:flex;gap:8px;margin-bottom:18px;}
.ms253-view-toggle a{padding:8px 16px;border:1px solid var(--ms253-line);border-radius:8px;font-size:14px;color:var(--ms253-muted);}
.ms253-view-toggle a.on{background:var(--ms253-primary);color:#fff;border-color:var(--ms253-primary);}
.ms253-list-view{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px;}
.ms253-list-view li{display:grid;grid-template-columns:160px 1fr auto;gap:18px;background:#fff;border:1px solid var(--ms253-line);border-radius:var(--ms253-radius);padding:16px;align-items:center;}
.ms253-lv-thumb{display:block;aspect-ratio:1/1;background:var(--ms253-soft);border-radius:10px;overflow:hidden;}
.ms253-lv-thumb img{width:100%;height:100%;object-fit:cover;}
.ms253-lv-name{font-size:17px;font-weight:600;color:var(--ms253-dark);}
.ms253-lv-cat{color:var(--ms253-muted);font-size:13px;margin:4px 0;}
.ms253-lv-desc{color:var(--ms253-muted);font-size:14px;margin:6px 0;}
.ms253-lv-acts{display:flex;flex-direction:column;gap:8px;}

/* 产品详情 */
.ms253-pd-layout{display:grid;grid-template-columns:240px 1fr;gap:30px;padding:36px 0;align-items:start;}
.ms253-pd-body{background:#fff;border:1px solid var(--ms253-line);border-radius:var(--ms253-radius);padding:28px;}
.ms253-pd-top{display:grid;grid-template-columns:1fr 1fr;gap:30px;}
.ms253-pd-gallery{display:flex;flex-direction:column;gap:10px;}
.ms253-pd-main-img{aspect-ratio:1/1;background:var(--ms253-soft);border-radius:var(--ms253-radius);overflow:hidden;}
.ms253-pd-main-img img{width:100%;height:100%;object-fit:cover;}
.ms253-pd-thumbs{display:flex;gap:8px;}
.ms253-pd-thumbs span{width:56px;height:56px;border-radius:8px;background:var(--ms253-soft);border:1px solid var(--ms253-line);}
.ms253-pd-title{font-size:26px;margin:0 0 6px;color:var(--ms253-dark);}
.ms253-pd-cat{color:var(--ms253-muted);margin:0 0 14px;}
.ms253-pd-price{font-size:24px;font-weight:700;color:var(--ms253-primary);margin:0 0 16px;}
.ms253-pd-desc{color:var(--ms253-text);line-height:1.7;}
.ms253-pd-attrs{width:100%;border-collapse:collapse;margin-top:18px;}
.ms253-pd-attrs th,.ms253-pd-attrs td{border:1px solid var(--ms253-line);padding:8px 12px;text-align:left;font-size:14px;}
.ms253-pd-attrs th{background:var(--ms253-soft);color:var(--ms253-dark);width:34%;}
.ms253-pd-buy{display:flex;gap:12px;align-items:center;margin-top:22px;flex-wrap:wrap;}
.ms253-pd-related{margin-top:40px;}
.ms253-pd-rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}

/* 博客 / 新闻 */
.ms253-cat-filter-row{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 28px;}
.ms253-cat-filter-row a{padding:7px 16px;border:1px solid var(--ms253-line);border-radius:999px;font-size:14px;color:var(--ms253-muted);}
.ms253-cat-filter-row a.on{background:var(--ms253-primary);color:#fff;border-color:var(--ms253-primary);}
.ms253-tag-cloud{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:0 0 24px;color:var(--ms253-muted);font-size:14px;}
.ms253-tag-cloud .tag{padding:5px 12px;border:1px solid var(--ms253-line);border-radius:999px;}
.ms253-tag-cloud .tag.on{background:var(--ms253-accent);color:#fff;border-color:var(--ms253-accent);}
.ms253-blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.ms253-post{background:#fff;border:1px solid var(--ms253-line);border-radius:var(--ms253-radius);overflow:hidden;transition:.18s;display:flex;flex-direction:column;}
.ms253-post:hover{box-shadow:var(--ms253-shadow);transform:translateY(-3px);}
.ms253-post-cover{aspect-ratio:16/9;background:var(--ms253-soft);overflow:hidden;}
.ms253-post-cover img{width:100%;height:100%;object-fit:cover;}
.ms253-post-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.ms253-post-meta{color:var(--ms253-muted);font-size:13px;display:flex;gap:10px;flex-wrap:wrap;}
.ms253-post h3{font-size:18px;margin:0;color:var(--ms253-dark);}
.ms253-post-excerpt{color:var(--ms253-muted);font-size:14px;margin:0;flex:1;}
.ms253-post a.more{color:var(--ms253-primary);font-weight:600;font-size:14px;}

/* 博客详情 */
.ms253-article{max-width:820px;margin:0 auto;padding:40px 18px;}
.ms253-article h1{font-size:clamp(26px,3.4vw,38px);margin:0 0 14px;}
.ms253-article .meta{color:var(--ms253-muted);font-size:14px;display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px;}
.ms253-article .excerpt{font-size:18px;color:var(--ms253-text);margin:0 0 18px;}
.ms253-article .cover{width:100%;border-radius:var(--ms253-radius);margin:0 0 22px;}
.ms253-article .content{line-height:1.8;color:var(--ms253-text);}
.ms253-article .content img{max-width:100%;border-radius:10px;margin:14px 0;}

.ms253-empty{text-align:center;color:var(--ms253-muted);padding:40px 0;}

/* 响应式 */
@media(max-width:980px){
  .ms253-hero .ms253-wrap,.ms253-about-inner,.ms253-pd-top{grid-template-columns:1fr;}
  .ms253-cat-grid,.ms253-grid,.ms253-pd-rel-grid,.ms253-blog-grid{grid-template-columns:repeat(2,1fr);}
  .ms253-trust-grid{grid-template-columns:repeat(3,1fr);}
  .ms253-prod-layout,.ms253-pd-layout{grid-template-columns:1fr;}
  .ms253-prod-side,.ms253-pd-side{position:static;}
  .ms253-list-view li{grid-template-columns:120px 1fr;}
  .ms253-list-view .ms253-lv-acts{grid-column:1/-1;flex-direction:row;}
}
@media(max-width:560px){
  .ms253-cat-grid,.ms253-grid,.ms253-pd-rel-grid,.ms253-blog-grid,.ms253-trust-grid{grid-template-columns:1fr;}
  .ms253-list-view li{grid-template-columns:1fr;}
}