.portal-home,.portal-home *{box-sizing:border-box;}
  .portal-home{background:#f3f6fa;color:#172331;font-family:Arial,"Microsoft YaHei",sans-serif;}
  .portal-wrap{width:100%;max-width:1400px;margin:0 auto;padding:0 16px;}
  .portal-stage{padding:18px 0 16px;}
  .portal-grid{display:grid;grid-template-columns:204px minmax(0,1fr) 218px;gap:12px;align-items:stretch;}
  .portal-categories{height:490px;min-height:0;overflow:hidden;display:flex;flex-direction:column;}
  .portal-box{background:#fff;border:1px solid #dbe2ea;}
  .portal-box-title{height:38px;padding:0 13px;display:flex;align-items:center;justify-content:space-between;background:#096bc2;color:#fff;font-size:14px;font-weight:700;letter-spacing:.1px;}
  .portal-box-title a{color:#fff;font-size:11px;font-weight:400;}

  .portal-category-list{list-style:none;margin:0;padding:7px 0;flex:1;min-height:0;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#b8c8d8 transparent;}
  .portal-category-list::-webkit-scrollbar{width:5px;}
  .portal-category-list::-webkit-scrollbar-thumb{background:#b8c8d8;border-radius:5px;}
  .portal-category-list li{border-bottom:1px solid #edf0f3;}
  .portal-category-list li:last-child{border-bottom:0;}
  .portal-category-list a{min-height:34px;padding:7px 11px;display:flex;align-items:center;justify-content:space-between;gap:8px;color:#34485b;font-size:13px;line-height:1.35;}
  .portal-category-list a:hover{color:#096bc2;background:#f3f8fd;}
  .portal-category-list i{color:#a8b3be;font-size:11px;}
  .portal-supplier-spot{display:block;margin:10px;border-top:3px solid #14a4ea;background:#f6fbff;padding:13px 12px;}
  .portal-supplier-spot small{display:block;color:#788898;font-size:10px;text-transform:uppercase;letter-spacing:.7px;}
  .portal-supplier-spot strong{display:block;margin-top:6px;color:#163a5b;font-size:14px;line-height:1.4;}
  .portal-supplier-spot span{display:block;margin-top:4px;color:#7c8994;font-size:11px;line-height:1.45;}

  .portal-center{min-width:0;display:flex;flex-direction:column;gap:10px;}
  .portal-hero{min-height:244px;background:#075eae;color:#fff;border:1px solid #075599;display:grid;grid-template-columns:minmax(0,1fr) 310px;overflow:hidden;}
  .portal-hero-copy{padding:28px 28px 20px;display:flex;flex-direction:column;min-width:0;}
  .portal-kicker{font-size:12px;font-weight:700;letter-spacing:1.2px;color:#bfe0ff;text-transform:uppercase;}
  .portal-hero h1{margin:8px 0 10px;font-size:29px;line-height:1.22;font-weight:700;letter-spacing:-.5px;}
  .portal-hero p{max-width:680px;margin:0;color:#d9ecff;font-size:14px;line-height:1.75;}
  .portal-hero-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px;}
  .portal-action{height:36px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.76);background:#fff;color:#075eae;font-size:12px;font-weight:700;}
  .portal-action.is-ghost{background:transparent;color:#fff;}
  .portal-action:hover{background:#eaf5ff;color:#075eae;}
  .portal-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:auto;padding-top:17px;}
  .portal-stat{border-left:1px solid rgba(255,255,255,.22);padding:0 13px;}
  .portal-stat:first-child{border-left:0;padding-left:0;}
  .portal-stat b{display:block;font-size:18px;line-height:1.1;color:#fff;}
  .portal-stat span{display:block;margin-top:4px;color:#bcdcff;font-size:10px;}
  .portal-hero-media{margin:14px;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;}
  .portal-hero-media img{display:block;width:100%;height:100%;max-height:214px;object-fit:contain;}
  .portal-hero-media .fa{font-size:66px;color:#d8e3ed;}

  .portal-feature-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;}
  .portal-feature-heading{display:flex;align-items:center;justify-content:space-between;margin:-1px 0 -2px;color:#526b80;font-size:12px;font-weight:700}.portal-feature-heading span:last-child{font-size:10px;color:#96a4b1;font-weight:400}
  .portal-feature{min-width:0;min-height:86px;padding:8px;background:#fff;border:1px solid #dbe2ea;display:grid;grid-template-columns:66px minmax(0,1fr);gap:9px;align-items:center;}
  .portal-feature:hover{border-color:#72aee0;box-shadow:0 4px 12px rgba(31,84,126,.08);}
  .portal-feature-image{height:66px;background:#f5f8fb;display:flex;align-items:center;justify-content:center;overflow:hidden;}
  .portal-feature-image img{width:100%;height:100%;object-fit:contain;}
  .portal-feature-copy{min-width:0;}
  .portal-feature-copy b{display:block;color:#183650;font-size:12px;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .portal-feature-copy span{display:block;margin-top:3px;color:#788896;font-size:10px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .portal-feature-copy em{display:block;margin-top:6px;color:#0878c7;font-size:10px;font-style:normal;font-weight:700;}

  .portal-service .portal-box-title{background:#ffb700;color:#17202a;justify-content:center;}
  .portal-service-links{list-style:none;margin:0;padding:7px 10px;}
  .portal-service-links li{border-bottom:1px solid #edf0f2;}
  .portal-service-links a{min-height:34px;padding:7px 2px;display:flex;align-items:center;gap:9px;color:#176fbe;font-size:12px;}
  .portal-service-links a:hover{color:#084d86;background:#f7fbff;}
  .portal-service-links i{width:16px;text-align:center;color:#7ea6c8;}
  .portal-service-note{margin:6px 12px 12px;padding:13px 11px;background:#eef7ff;border-left:3px solid #55a7e6;color:#6d7c89;font-size:11px;line-height:1.65;}
  .portal-service-note strong{display:block;margin-bottom:4px;color:#1b4264;font-size:12px;}

  .portal-section{padding:26px 0;}
  .portal-section.is-white{background:#fff;border-top:1px solid #e8edf2;border-bottom:1px solid #e8edf2;}
  .portal-section-head{margin-bottom:14px;display:flex;align-items:flex-end;justify-content:space-between;gap:18px;}
  .portal-section-head h2{margin:0;color:#152434;font-size:22px;line-height:1.2;font-weight:700;}
  .portal-section-head p{margin:5px 0 0;color:#8a96a3;font-size:12px;}
  .portal-section-more{color:#0878c7;font-size:12px;font-weight:700;white-space:nowrap;}

  .portal-market-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
  .portal-market-card{background:#fff;border:1px solid #dce3ea;min-width:0;}
  .portal-market-head{height:40px;padding:0 13px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e5e9ee;background:#f8fafc;}
  .portal-market-head h3{margin:0;color:#1e3245;font-size:14px;}
  .portal-market-head a{color:#0878c7;font-size:11px;}
  .portal-market-list{list-style:none;margin:0;padding:4px 13px 6px;}
  .portal-market-list li{min-height:39px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;border-bottom:1px dashed #e5e9ed;font-size:12px;}
  .portal-market-list li:last-child{border-bottom:0;}
  .portal-market-list a{min-width:0;color:#28506f;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .portal-market-list a:hover{color:#0878c7;}
  .portal-market-meta{color:#8a97a4;white-space:nowrap;font-size:10px;}
  .portal-company-list li{grid-template-columns:minmax(70px,.35fr) minmax(0,.65fr);}
  .portal-company-list .portal-market-meta{display:block;min-width:0;max-width:100%;overflow:hidden;text-overflow:ellipsis;text-align:right;}

  .portal-filter-box{border:1px solid #d6dee7;background:#fff;}
  .portal-filter-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid #d6dee7;background:#f7f9fb;}
  .portal-filter-tab{min-height:42px;border:0;border-right:1px solid #d6dee7;background:transparent;color:#31465a;font-size:12px;font-weight:700;cursor:pointer;}
  .portal-filter-tab:last-child{border-right:0;}
  .portal-filter-tab.is-active{background:#0878c7;color:#fff;}
  .portal-filter-tab:focus-visible{outline:2px solid #ffb700;outline-offset:-3px;}
  .portal-filter-content{display:grid;grid-template-columns:188px minmax(0,1fr);min-height:155px;}
  .portal-filter-intro{padding:20px 18px;background:#e9f4ff;border-right:1px solid #d6dee7;}
  .portal-filter-intro strong{display:block;color:#0b5793;font-size:15px;line-height:1.35;}
  .portal-filter-intro p{margin:8px 0 0;color:#6f8292;font-size:11px;line-height:1.65;}
  .portal-filter-panel{display:none;padding:15px;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;align-content:start;}
  .portal-filter-panel.is-active{display:grid;}
  .portal-filter-link{min-height:42px;padding:7px 10px;border:1px solid #e1e6eb;background:#fbfcfd;display:flex;align-items:center;color:#304d65;font-size:11px;line-height:1.35;}
  .portal-filter-link:hover{border-color:#8bbce0;color:#0878c7;background:#f3f9fe;}

  .portal-product-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;}
  .portal-product-card{display:block;min-width:0;background:#fff;border:1px solid #dce2e8;}
  .portal-product-card:hover{border-color:#72aee0;box-shadow:0 7px 18px rgba(31,74,108,.1);}
  .portal-product-img{height:176px;background:#f7f9fb;display:flex;align-items:center;justify-content:center;overflow:hidden;}
  .portal-product-img img{width:100%;height:100%;object-fit:contain;}
  .portal-product-body{padding:11px 12px 12px;}
  .portal-product-model{color:#0878c7;font-size:11px;font-weight:700;}
  .portal-product-title{height:40px;margin-top:4px;color:#243d52;font-size:13px;line-height:20px;overflow:hidden;}
  .portal-language-note{display:inline-block;margin-top:5px;padding:2px 6px;border-radius:3px;background:#fff4d6;color:#7c6221;font-size:10px;font-style:normal}
  .portal-product-foot{margin-top:8px;padding-top:8px;border-top:1px solid #edf0f2;display:flex;align-items:center;justify-content:space-between;color:#8c98a4;font-size:10px;}

  .portal-brand-strip{margin-top:12px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:1px solid #dce2e8;border-left:1px solid #dce2e8;background:#fff;}
  .portal-brand{min-height:64px;padding:10px;border-right:1px solid #dce2e8;border-bottom:1px solid #dce2e8;display:flex;flex-direction:column;justify-content:center;text-align:center;}
  .portal-brand b{color:#1f3c54;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .portal-brand span{margin-top:4px;color:#8a97a3;font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

  .portal-bottom-cta{display:grid;grid-template-columns:1.45fr 1fr;background:#075eae;color:#fff;border:1px solid #075599;}
  .portal-bottom-main{padding:24px 28px;border-right:1px solid rgba(255,255,255,.2);}
  .portal-bottom-main h2{margin:0;font-size:21px;}
  .portal-bottom-main p,.portal-bottom-side p{margin:7px 0 0;color:#d3e9fb;font-size:12px;line-height:1.7;}
  .portal-bottom-side{padding:24px 28px;background:#0b5597;}
  .portal-bottom-side h3{margin:0;font-size:16px;}
  .portal-bottom-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}

  @media(max-width:1180px){
    .portal-grid{grid-template-columns:190px minmax(0,1fr);}
    .portal-service{grid-column:1/-1;}
    .portal-service-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
    .portal-service-note{margin-top:0;}
    .portal-product-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  }
  @media(max-width:900px){
    .portal-grid{grid-template-columns:1fr;}
    .portal-categories{height:auto;overflow:visible;display:block;}
    .portal-category-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:6px;}
    .portal-category-list li{border:0;}
    .portal-supplier-spot{display:none;}
    .portal-hero{grid-template-columns:1fr 250px;}
    .portal-feature-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
    .portal-market-grid{grid-template-columns:1fr;}
    .portal-filter-panel{grid-template-columns:repeat(3,minmax(0,1fr));}
    .portal-product-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
    .portal-brand-strip{grid-template-columns:repeat(3,minmax(0,1fr));}
  }
  @media(max-width:640px){
    .portal-wrap{padding:0 12px;}
    .portal-stage{padding-top:12px;}
    .portal-category-list{grid-template-columns:repeat(2,minmax(0,1fr));max-height:250px;overflow-y:auto;}
    .portal-hero{grid-template-columns:1fr;}
    .portal-hero-copy{padding:22px 20px 18px;}
    .portal-hero h1{font-size:24px;}
    .portal-hero-media{height:180px;margin:0 14px 14px;}
    .portal-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 0;}
    .portal-stat:nth-child(3){border-left:0;padding-left:0;}
    .portal-service-links{grid-template-columns:repeat(2,minmax(0,1fr));}
    .portal-filter-tabs{grid-template-columns:repeat(2,minmax(0,1fr));}
    .portal-filter-tab:nth-child(2){border-right:0;}
    .portal-filter-content{grid-template-columns:1fr;}
    .portal-filter-intro{border-right:0;border-bottom:1px solid #d6dee7;}
    .portal-filter-panel{grid-template-columns:repeat(2,minmax(0,1fr));}
    .portal-product-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .portal-product-img{height:145px;}
    .portal-brand-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
    .portal-bottom-cta{grid-template-columns:1fr;}
    .portal-bottom-main{border-right:0;border-bottom:1px solid rgba(255,255,255,.2);}
  }