/* assets/style.css */
:root{
  --bg:#f4f6f8;
  --surface:#ffffff;
  --surface-soft:#eef2f6;
  --text:#24323f;
  --text-light:#617181;
  --line:#d7dee6;
  --line-dark:#bcc7d3;
  --primary:#1f4b75;
  --primary-deep:#153752;
  --accent:#b6915f;
  --shadow:0 10px 30px rgba(17,38,58,.08);
  --radius:18px;
  --radius-sm:10px;
  --container:1200px;
}

*,
*::before,
*::after{
  box-sizing:border-box;
}

html{
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
}

img{
  display:block;
  max-width:100%;
  height:auto;
}

a{
  color:inherit;
  text-decoration:none;
}

ul,
ol{
  margin:0;
  padding:0;
  list-style:none;
}

button,
input,
textarea{
  font:inherit;
}

input,
button{
  border:none;
  outline:none;
}

.container{
  width:min(var(--container),calc(100% - 32px));
  margin:0 auto;
}

.page-main{
  min-height:60vh;
}

.topbar{
  background:var(--primary-deep);
  color:rgba(255,255,255,.8);
  font-size:13px;
}

.topbar-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  min-height:42px;
}

.topbar-meta{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
}

.header-main{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:18px 0;
  background:var(--surface);
}

.brand-wrap{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}

.site-logo{
  width:58px;
  height:58px;
  border-radius:16px;
  overflow:hidden;
  background:var(--surface-soft);
  border:1px solid var(--line);
  flex:0 0 auto;
}

.site-logo img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.site-branding{
  min-width:0;
}

.site-domain{
  margin:0 0 4px;
  color:var(--text-light);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.site-name{
  display:block;
  font-size:28px;
  font-weight:700;
  line-height:1.2;
}

.header-tools{
  display:flex;
  align-items:center;
  gap:16px;
}

.search-form{
  display:flex;
  align-items:center;
  min-width:300px;
  max-width:100%;
  background:var(--surface-soft);
  border:1px solid var(--line);
  border-radius:999px;
  overflow:hidden;
}

.search-form input{
  flex:1;
  min-width:0;
  height:46px;
  padding:0 16px;
  background:transparent;
}

.search-form button{
  height:46px;
  padding:0 20px;
  background:var(--primary);
  color:#fff;
  cursor:pointer;
  white-space:nowrap;
}

.main-nav{
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:30;
}

.nav-inner{
  display:flex;
  align-items:center;
  justify-content:center;
}

.nav-list{
  display:flex;
  align-items:center;
  gap:6px;
  flex-wrap:wrap;
  padding:10px 0;
}

.nav-item{
  padding:10px 18px;
  border-radius:999px;
  color:var(--text);
  transition:.2s ease;
  font-weight:500;
}

.nav-item:hover,
.nav-item.active{
  background:var(--primary);
  color:#fff;
}

.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  padding:0;
  border-radius:12px;
  background:var(--surface-soft);
  border:1px solid var(--line);
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  cursor:pointer;
}

.menu-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--text);
  border-radius:2px;
}

.mobile-nav{
  position:fixed;
  inset:0;
  background:rgba(20,32,45,.38);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:.25s ease;
  z-index:100;
}

.mobile-nav.open{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
}

.mobile-nav-panel{
  width:min(88vw,360px);
  height:100%;
  margin-left:auto;
  background:#fff;
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:16px;
  transform:translateX(100%);
  transition:.25s ease;
  box-shadow:-10px 0 30px rgba(0,0,0,.12);
}

.mobile-nav.open .mobile-nav-panel{
  transform:translateX(0);
}

.mobile-nav-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}

.mobile-close{
  width:40px;
  height:40px;
  border-radius:10px;
  background:var(--surface-soft);
  cursor:pointer;
}

.mobile-links{
  display:flex;
  flex-direction:column;
  gap:10px;
  overflow:auto;
}

.mobile-links a{
  padding:12px 14px;
  border-radius:12px;
  background:var(--surface-soft);
  border:1px solid var(--line);
}

.hero{
  padding:34px 0 24px;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:24px;
  align-items:stretch;
}

.hero-copy{
  background:linear-gradient(135deg,#153752 0%,#1f4b75 100%);
  color:#fff;
  border-radius:28px;
  padding:42px;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  justify-content:center;
  position:relative;
  overflow:hidden;
}

.hero-copy::after{
  content:"";
  position:absolute;
  right:-40px;
  top:-40px;
  width:180px;
  height:180px;
  border-radius:50%;
  background:rgba(255,255,255,.06);
}

.hero-kicker,
.section-en,
.banner-en{
  margin:0 0 10px;
  font-size:13px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent);
}

.hero-copy h1{
  margin:0 0 16px;
  font-size:clamp(30px,4vw,46px);
  line-height:1.2;
}

.hero-desc{
  margin:0 0 24px;
  color:rgba(255,255,255,.86);
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:22px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 22px;
  border-radius:999px;
  border:1px solid transparent;
  font-weight:600;
  transition:.2s ease;
}

.btn-primary{
  background:var(--accent);
  color:#fff;
}

.btn-primary:hover{
  background:#a88352;
}

.btn-secondary{
  background:transparent;
  color:inherit;
  border-color:currentColor;
}

.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.hero-points span{
  padding:8px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  font-size:14px;
}

.hero-visual{
  display:grid;
  grid-template-rows:1fr auto;
  gap:18px;
}

.hero-card{
  background:var(--surface);
  border-radius:28px;
  overflow:hidden;
  box-shadow:var(--shadow);
}

.hero-card-main{
  min-height:360px;
}

.hero-card-main img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.hero-card-sub{
  padding:24px;
  background:linear-gradient(180deg,#fff 0%,#f6f8fa 100%);
  border:1px solid var(--line);
}

.hero-card-sub strong{
  display:block;
  margin-bottom:10px;
  font-size:20px;
}

.section{
  padding:26px 0;
}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:22px;
}

.section-head h2{
  margin:0;
  font-size:32px;
  line-height:1.2;
}

.section-sub{
  margin:10px 0 0;
  color:var(--text-light);
}

.section-head-center{
  flex-direction:column;
  align-items:center;
  text-align:center;
}

.section-head-bar h2,
.block-title-bar h2{
  position:relative;
  padding-left:16px;
}

.section-head-bar h2::before,
.block-title-bar h2::before{
  content:"";
  position:absolute;
  left:0;
  top:4px;
  bottom:4px;
  width:4px;
  border-radius:4px;
  background:var(--accent);
}

.section-more,
.text-link{
  color:var(--primary);
  font-weight:600;
}

.news-layout{
  display:block;
}

.feature-card{
  display:grid;
  grid-template-columns:340px 1fr;
  gap:22px;
  background:var(--surface);
  border-radius:24px;
  padding:18px;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
}

.feature-thumb{
  height:250px;
  border-radius:18px;
  overflow:hidden;
  background:var(--surface-soft);
}

.feature-thumb img,
.product-thumb img,
.row-thumb img,
.related-thumb img,
.side-thumb-item img,
.banner-visual img,
.company-image img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.feature-body{
  display:flex;
  flex-direction:column;
  justify-content:center;
}

.feature-date{
  color:var(--text-light);
  font-size:14px;
}

.feature-body h3{
  margin:10px 0 12px;
  font-size:30px;
  line-height:1.3;
}

.feature-body p{
  margin:0;
  color:var(--text-light);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.product-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}

.product-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  overflow:hidden;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
}

.product-thumb{
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--surface-soft);
}

.product-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}

.product-cat{
  margin:0;
  color:var(--primary);
  font-size:13px;
  letter-spacing:.06em;
  text-transform:uppercase;
}

.product-body h3{
  margin:0;
  font-size:20px;
  line-height:1.4;
}

.product-body p{
  margin:0;
  color:var(--text-light);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.company-panel{
  display:grid;
  grid-template-columns:1fr .9fr;
  gap:22px;
  background:linear-gradient(180deg,#fff 0%,#f7f9fb 100%);
  border:1px solid var(--line);
  border-radius:28px;
  padding:24px;
  box-shadow:var(--shadow);
}

.company-intro p{
  margin:0 0 16px;
  color:var(--text-light);
}

.company-meta{
  display:grid;
  gap:12px;
}

.company-meta li{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px 16px;
}

.company-image{
  min-height:320px;
  border-radius:22px;
  overflow:hidden;
  background:var(--surface-soft);
}

.faq-list{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}

.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:22px;
  box-shadow:var(--shadow);
}

.faq-item h3{
  margin:0 0 12px;
  font-size:19px;
  line-height:1.5;
}

.faq-item p{
  margin:0 0 16px;
  color:var(--text-light);
  display:-webkit-box;
  -webkit-line-clamp:4;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.faq-meta{
  display:flex;
  justify-content:space-between;
  gap:10px;
  font-size:14px;
  color:var(--text-light);
}

.page-banner{
  padding:30px 0;
}

.page-banner-inner{
  background:linear-gradient(135deg,#173b58 0%,#27557d 100%);
}

.page-banner-brand{
  background:linear-gradient(135deg,#173b58 0%,#244b6d 100%);
}

.banner-copy{
  color:#fff;
  padding:18px 0;
}

.banner-copy h1{
  margin:0 0 12px;
  font-size:clamp(28px,3.8vw,40px);
  line-height:1.25;
}

.banner-copy p:last-child{
  margin:0;
  color:rgba(255,255,255,.85);
}

.brand-banner-grid{
  display:grid;
  grid-template-columns:1fr 360px;
  gap:22px;
  align-items:center;
}

.banner-visual{
  height:260px;
  border-radius:24px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
}

.page-shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:24px;
  padding:28px 0 40px;
}

.content-col,
.sidebar-col{
  min-width:0;
}

.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:14px;
  color:var(--text-light);
  margin-bottom:18px;
}

.block-title{
  margin-bottom:18px;
}

.block-title h2{
  margin:0;
  font-size:28px;
  line-height:1.3;
}

.block-title p{
  margin:8px 0 0;
  color:var(--text-light);
}

.block-title-line{
  padding-bottom:12px;
  border-bottom:2px solid var(--line);
}

.list-rows{
  display:grid;
  gap:18px;
}

.row-card{
  display:grid;
  grid-template-columns:240px 1fr;
  gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:16px;
  box-shadow:var(--shadow);
}

.row-thumb{
  display:block;
  aspect-ratio:4/3;
  border-radius:16px;
  overflow:hidden;
  background:var(--surface-soft);
}

.row-content{
  min-width:0;
  display:flex;
  flex-direction:column;
}

.row-top,
.row-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  color:var(--text-light);
  font-size:14px;
}

.tag-mini{
  color:var(--primary);
  font-weight:600;
}

.row-content h3{
  margin:10px 0 10px;
  font-size:22px;
  line-height:1.4;
}

.row-content p{
  margin:0 0 14px;
  color:var(--text-light);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.pagination{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}

.page-num{
  min-width:44px;
  height:44px;
  padding:0 14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.page-num:hover{
  background:var(--primary);
  color:#fff;
}

.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:20px;
  box-shadow:var(--shadow);
  margin-bottom:18px;
}

.side-card h2{
  margin:0 0 16px;
  font-size:20px;
  line-height:1.3;
}

.side-card ul{
  display:grid;
  gap:10px;
  color:var(--text-light);
}

.side-list,
.side-thumb-list{
  display:grid;
  gap:12px;
}

.side-item{
  display:grid;
  gap:6px;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
}

.side-item:last-child{
  border-bottom:none;
  padding-bottom:0;
}

.side-item span{
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.side-item em{
  font-style:normal;
  color:var(--text-light);
  font-size:13px;
}

.side-thumb-item{
  display:grid;
  grid-template-columns:86px 1fr;
  gap:12px;
  align-items:center;
}

.side-thumb-item img{
  aspect-ratio:4/3;
  border-radius:12px;
  overflow:hidden;
  background:var(--surface-soft);
}

.side-thumb-item span{
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.article-col{
  background:transparent;
}

.article-head{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  padding:24px;
  margin-bottom:18px;
  box-shadow:var(--shadow);
}

.article-head h1{
  margin:0 0 14px;
  font-size:34px;
  line-height:1.35;
  word-break:break-word;
}

.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  color:var(--text-light);
  font-size:14px;
}

.article-content{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  padding:26px;
  box-shadow:var(--shadow);
  word-wrap:break-word;
  overflow-wrap:anywhere;
}

.article-content img{
  max-width:100%;
  height:auto;
  object-fit:cover;
}

.article-content table{
  width:100%;
  display:block;
  overflow-x:auto;
  border-collapse:collapse;
}

.article-content *{
  max-width:100%;
}

.article-related{
  margin-top:24px;
}

.related-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}

.related-card{
  display:grid;
  grid-template-columns:140px 1fr;
  gap:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  padding:14px;
  box-shadow:var(--shadow);
}

.related-thumb{
  aspect-ratio:4/3;
  border-radius:12px;
  overflow:hidden;
  background:var(--surface-soft);
}

.related-body h3{
  margin:0 0 8px;
  font-size:18px;
  line-height:1.45;
}

.related-body p{
  margin:0;
  color:var(--text-light);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.search-summary,
.empty-result{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px 20px;
  margin-bottom:18px;
  box-shadow:var(--shadow);
}

.search-summary h2{
  margin:0 0 8px;
  font-size:24px;
}

.search-summary p,
.empty-result p{
  margin:0;
  color:var(--text-light);
}

.about-section{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  padding:24px;
  box-shadow:var(--shadow);
  margin-bottom:18px;
}

.about-panel{
  display:grid;
  gap:20px;
}

.about-text p,
.about-copy p{
  margin:0 0 14px;
  color:var(--text-light);
}

.about-info-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}

.info-box,
.contact-card{
  background:var(--surface-soft);
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
}

.info-box h3,
.contact-card h3{
  margin:0 0 10px;
  font-size:18px;
}

.info-box p,
.contact-card p{
  margin:0;
  color:var(--text-light);
  word-break:break-word;
}

.contact-panel{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}

.address-box{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.address-box p{
  margin:0;
  color:var(--text-light);
}

.site-footer{
  color:#dce4eb;
  background:#132c43;
  margin-top:20px;
}

.footer-top{
  padding:40px 0 24px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr 1fr .9fr;
  gap:22px;
}

.footer-col h2,
.footer-col h3{
  margin:0 0 14px;
  color:#fff;
}

.footer-col p,
.footer-col li,
.footer-col a{
  color:rgba(220,228,235,.82);
}

.footer-links,
.footer-contact{
  display:grid;
  gap:10px;
}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
}

.footer-bottom-inner{
  min-height:58px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}

.error-page{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:linear-gradient(180deg,#f4f6f8 0%,#eaf0f5 100%);
}

.error-card{
  width:min(100%,640px);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:28px;
  padding:40px 28px;
  box-shadow:var(--shadow);
  text-align:center;
}

.error-code{
  margin:0 0 10px;
  font-size:72px;
  line-height:1;
  color:var(--primary);
  font-weight:800;
}

.error-card h1{
  margin:0 0 12px;
  font-size:32px;
}

.error-card p{
  margin:0 auto 22px;
  max-width:420px;
  color:var(--text-light);
}

.error-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:12px;
}

@media (max-width: 1100px){
  .hero-grid,
  .company-panel,
  .brand-banner-grid,
  .page-shell,
  .footer-grid{
    grid-template-columns:1fr;
  }

  .product-grid,
  .faq-list{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }

  .contact-panel{
    grid-template-columns:1fr;
  }
}

@media (max-width: 860px){
  .topbar{
    display:none;
  }

  .header-main{
    padding:14px 0;
  }

  .header-tools{
    display:none;
  }

  .menu-toggle{
    display:flex;
  }

  .main-nav{
    display:none;
  }

  .hero-copy{
    padding:28px 22px;
    border-radius:22px;
  }

  .hero-card-main{
    min-height:240px;
  }

  .feature-card,
  .row-card,
  .related-card{
    grid-template-columns:1fr;
  }

  .feature-thumb,
  .row-thumb,
  .related-thumb{
    aspect-ratio:16/10;
    height:auto;
  }

  .product-grid,
  .faq-list,
  .related-grid,
  .about-info-grid{
    grid-template-columns:1fr;
  }

  .site-name{
    font-size:22px;
  }

  .section-head h2,
  .block-title h2{
    font-size:24px;
  }

  .feature-body h3{
    font-size:22px;
  }

  .article-head h1{
    font-size:26px;
  }

  .search-form{
    min-width:0;
    width:100%;
  }
}

@media (max-width: 640px){
  .container{
    width:min(var(--container),calc(100% - 24px));
  }

  .hero,
  .page-banner,
  .section{
    padding-top:18px;
    padding-bottom:18px;
  }

  .hero-grid{
    gap:16px;
  }

  .hero-actions,
  .error-actions{
    flex-direction:column;
  }

  .btn,
  .search-form button{
    width:100%;
  }

  .search-form{
    border-radius:16px;
    flex-direction:column;
    align-items:stretch;
    overflow:visible;
    gap:10px;
    background:transparent;
    border:none;
  }

  .search-form input{
    height:44px;
    border:1px solid var(--line);
    background:var(--surface-soft);
    border-radius:14px;
  }

  .search-form button{
    height:44px;
    border-radius:14px;
  }

  .site-logo{
    width:48px;
    height:48px;
    border-radius:14px;
  }

  .page-shell{
    padding-top:20px;
    gap:18px;
  }

  .side-card,
  .article-head,
  .article-content,
  .about-section,
  .row-card,
  .product-card,
  .faq-item,
  .feature-card{
    border-radius:16px;
  }

  .banner-visual{
    height:200px;
  }

  .footer-top{
    padding-top:28px;
  }

  .footer-bottom-inner{
    justify-content:center;
    text-align:center;
  }
}