:root{
  --bg:#f0f2f5;
  --text:#1a1a2e;
  --muted:#6c6f7d;
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --accent:#10b981;
  --warm:#f59e0b;
  --soft:#eef2ff;
  --card:#fff;
  --line:#e2e5ec;
  --radius:14px;
  --shadow:0 2px 12px rgba(0,0,0,.06);
  --shadow-hover:0 8px 30px rgba(37,99,235,.12);
  --font:"Inter","Segoe UI","PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color .2s}
img{max-width:100%;height:auto;display:block}

/* ── Header ── */
.siteHeader{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  padding:0 clamp(16px,3vw,40px);
  display:flex;align-items:center;gap:20px;
  height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brandLogo{width:36px;height:36px;border-radius:10px}
.brandTitle{font-size:16px;font-weight:700;letter-spacing:-.02em}
.brandSub{font-size:11px;color:var(--muted);letter-spacing:.02em}
.navBar{display:flex;gap:4px;flex-wrap:wrap}
.navItem{
  padding:6px 14px;border-radius:8px;font-size:13px;font-weight:500;
  color:var(--muted);transition:all .2s;
}
.navItem:hover{color:var(--text);background:#f3f4f6}
.navItem.isActive{color:#fff;background:var(--primary)}
.searchBox{margin-left:auto;flex-shrink:0}
.searchInput{
  padding:8px 16px;border:1px solid var(--line);border-radius:10px;
  width:220px;font-size:13px;background:#f9fafb;outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.searchInput:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}

/* ── Layout ── */
.page{max-width:1200px;margin:0 auto;padding:24px clamp(16px,3vw,40px) 60px}

/* ── Hero ── */
.hero{
  display:grid;grid-template-columns:1fr 420px;gap:32px;
  background:linear-gradient(135deg,#1e293b 0%,#0f172a 100%);
  border-radius:20px 20px 0 0;padding:40px;color:#fff;
  overflow:hidden;position:relative;
}
.hero::before{
  content:"";position:absolute;top:-60px;right:-60px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,.3),transparent 70%);
  pointer-events:none;
}
.heroBadge{
  display:inline-block;background:rgba(37,99,235,.2);
  color:#93c5fd;padding:5px 12px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.hero h1{font-size:clamp(24px,3vw,32px);margin:16px 0 12px;line-height:1.3;font-weight:700;letter-spacing:-.02em}
.hero p{color:#94a3b8;line-height:1.7;font-size:15px}
.heroActions{display:flex;gap:10px;margin:20px 0 16px}
.btnPrimary{
  background:var(--primary);color:#fff;padding:10px 22px;
  border-radius:10px;font-size:14px;font-weight:600;
  transition:all .25s;display:inline-flex;align-items:center;gap:6px;
}
.btnPrimary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 4px 16px rgba(37,99,235,.3)}
.btnGhost{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
  color:#e2e8f0;padding:10px 22px;border-radius:10px;
  font-size:14px;font-weight:500;transition:all .25s;
}
.btnGhost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.25)}
.heroMeta{display:flex;flex-wrap:wrap;gap:8px}
.heroMeta span{
  background:rgba(255,255,255,.06);padding:4px 10px;
  border-radius:6px;font-size:11px;color:#94a3b8;
}
.heroMedia{display:flex;align-items:center}
.heroMedia img{border-radius:14px;width:100%;height:280px;object-fit:cover}

/* ── News Ribbon ── */
.newsRibbon{
  margin-top:20px;background:var(--card);border-radius:12px;
  padding:0;border:1px solid var(--line);
  display:flex;align-items:stretch;overflow:hidden;
}
.ribbonTitle{
  background:linear-gradient(135deg,var(--primary),#6366f1);
  color:#fff;padding:12px 16px;
  font-size:12px;font-weight:600;flex-shrink:0;white-space:nowrap;
  display:flex;align-items:center;position:relative;z-index:2;
}
.ribbonWrap{flex:1;min-width:0;overflow:hidden;position:relative;padding:12px 0}
.ribbonTrack{display:flex;gap:32px;white-space:nowrap;animation:ribbonScroll 35s linear infinite;padding-left:16px}
.ribbonItem{color:var(--muted);font-size:13px;transition:color .2s;flex-shrink:0}
.ribbonItem:hover{color:var(--primary)}
@keyframes ribbonScroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ── Sections ── */
.section{margin-top:40px}
.sectionHead{margin-bottom:20px}
.sectionHead h2{font-size:20px;font-weight:700;letter-spacing:-.01em;position:relative;padding-left:14px}
.sectionHead h2::before{content:"";position:absolute;left:0;top:3px;width:4px;height:20px;background:var(--primary);border-radius:2px}
.sectionHead p{color:var(--muted);font-size:14px;margin-top:6px;padding-left:14px}

/* ── Card Grid ── */
.cardsGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cardArticle{
  background:var(--card);border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);display:flex;flex-direction:column;
  transition:all .3s ease;
}
.cardArticle:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-hover);
  border-color:rgba(37,99,235,.2);
}
.cardThumb{overflow:hidden;position:relative}
.cardThumb img{width:100%;height:180px;object-fit:cover;transition:transform .4s ease}
.cardArticle:hover .cardThumb img{transform:scale(1.04)}
.cardBody{padding:16px 18px;flex:1;display:flex;flex-direction:column}
.cardTag{
  font-size:11px;font-weight:600;color:var(--primary);
  background:var(--soft);padding:3px 8px;border-radius:4px;
  display:inline-block;width:fit-content;letter-spacing:.02em;
}
.cardTitle{font-size:15px;font-weight:600;margin:10px 0 6px;line-height:1.45;letter-spacing:-.01em}
.cardExcerpt{font-size:13px;color:var(--muted);line-height:1.6;margin-bottom:auto;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cardMeta{font-size:12px;color:#9ca3af;margin-top:12px;padding-top:10px;border-top:1px solid var(--line)}

/* ── Hot List ── */
.hotList{margin-top:14px;display:flex;flex-direction:column;gap:2px}
.hotItem{
  display:grid;grid-template-columns:44px 1fr auto;gap:12px;
  padding:14px 16px;border-radius:10px;
  background:var(--card);border:1px solid transparent;
  transition:all .25s;align-items:center;
}
.hotItem:hover{border-color:var(--line);box-shadow:var(--shadow)}
.hotIndex{
  width:32px;height:32px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;color:var(--muted);
  background:#f3f4f6;
}
.hotItem:nth-child(1) .hotIndex{background:linear-gradient(135deg,#f59e0b,#f97316);color:#fff}
.hotItem:nth-child(2) .hotIndex{background:linear-gradient(135deg,#6b7280,#9ca3af);color:#fff}
.hotItem:nth-child(3) .hotIndex{background:linear-gradient(135deg,#d97706,#b45309);color:#fff}
.hotTitle{font-size:14px;font-weight:500;line-height:1.45}
.hotMeta{font-size:12px;color:#9ca3af;white-space:nowrap}

/* ── Topic Grid ── */
.topicGrid{margin-top:16px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.topicCard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:all .3s ease;position:relative;
}
.topicCard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.topicCard img{width:100%;height:160px;object-fit:cover;transition:transform .4s}
.topicCard:hover img{transform:scale(1.04)}
.topicBody{padding:14px 16px}
.topicTitle{font-size:15px;font-weight:600;margin-bottom:4px}
.topicDesc{font-size:13px;color:var(--muted);line-height:1.5}

/* ── Page Intro ── */
.pageIntro{background:var(--card);border-radius:var(--radius);padding:28px 24px;margin-bottom:24px;border:1px solid var(--line)}
.pageIntro h1{font-size:24px;font-weight:700;margin-bottom:8px}
.pageIntro p{color:var(--muted);font-size:14px}

/* ── List Layout ── */
.listWrap{display:flex;flex-direction:column;gap:14px}
.listItem{
  display:grid;grid-template-columns:200px 1fr;gap:20px;
  background:var(--card);border-radius:var(--radius);padding:16px;
  border:1px solid var(--line);transition:all .25s;
}
.listItem:hover{border-color:rgba(37,99,235,.15);box-shadow:var(--shadow)}
.listThumb img{width:100%;height:130px;object-fit:cover;border-radius:10px}
.listTitle{font-size:16px;font-weight:600;margin:6px 0;display:inline-block;line-height:1.4}
.listExcerpt{color:var(--muted);font-size:13px;line-height:1.6;margin-top:4px}
.listTags{margin-top:8px}
.listTags span{
  display:inline-block;background:#f3f4f6;padding:3px 8px;
  border-radius:4px;font-size:11px;color:var(--muted);margin-right:6px;margin-top:4px;
}

/* ── Article Page ── */
.articleHero{
  display:grid;grid-template-columns:1fr 400px;gap:28px;
  background:linear-gradient(135deg,#1e293b,#0f172a);
  border-radius:20px;padding:36px;color:#fff;
}
.articleMeta{color:#94a3b8;font-size:13px}
.articleHero h1{font-size:clamp(22px,2.8vw,28px);margin:14px 0 10px;line-height:1.35;font-weight:700}
.articleHero p{color:#cbd5e1;line-height:1.65;font-size:14px}
.articleTags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.articleTags span{
  background:rgba(255,255,255,.08);color:#94a3b8;
  padding:4px 10px;border-radius:6px;font-size:12px;
}
.articleMedia img{border-radius:14px;width:100%;height:240px;object-fit:cover}

.articleBody{
  margin-top:24px;background:var(--card);border-radius:var(--radius);
  padding:32px;border:1px solid var(--line);
}
.articleBody h2{
  font-size:18px;font-weight:700;margin:28px 0 12px;
  padding-left:12px;border-left:3px solid var(--primary);
}
.articleBody h2:first-child{margin-top:0}
.articleBody p{color:#374151;line-height:1.75;margin-bottom:14px;font-size:15px}
.articleBody ol,.articleBody ul{padding-left:20px;margin-bottom:14px}
.articleBody li{margin-bottom:8px;color:#374151;line-height:1.65;font-size:14px}
.articleFigure img{margin:20px 0;border-radius:12px;object-fit:cover}

/* FAQ */
.faqList{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.faqItem{background:#f9fafb;border-radius:10px;padding:16px;border:1px solid var(--line)}
.faqQ{font-weight:600;font-size:14px;margin-bottom:6px;color:var(--text)}
.faqQ::before{content:"Q";display:inline-block;width:22px;height:22px;line-height:22px;text-align:center;background:var(--primary);color:#fff;border-radius:5px;font-size:11px;font-weight:700;margin-right:8px}
.faqA{font-size:13px;color:var(--muted);line-height:1.6;padding-left:30px}

/* ── Article Nav ── */
.articleNav{
  margin-top:24px;display:flex;justify-content:space-between;gap:16px;
}
.articleNav a,.articleNav span{
  font-size:13px;color:var(--muted);padding:10px 16px;
  background:var(--card);border:1px solid var(--line);border-radius:10px;
  transition:all .2s;
}
.articleNav a:hover{border-color:var(--primary);color:var(--primary)}

/* ── Category Grid ── */
.catGrid{margin-top:16px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.catCard{
  background:var(--card);border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);transition:all .3s;
}
.catCard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.catCard img{height:160px;object-fit:cover}
.catBody{padding:14px 16px}
.miniGrid{margin-top:14px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.miniCard{
  background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:16px;transition:all .25s;
}
.miniCard:hover{border-color:rgba(37,99,235,.15);box-shadow:var(--shadow)}

/* ── Footer ── */
.siteFooter{
  margin-top:60px;background:#1e293b;color:#94a3b8;
  padding:40px clamp(16px,3vw,40px) 24px;
}
.siteFooter .footerInner{
  max-width:1200px;margin:0 auto;
  display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start;justify-content:space-between;
}
.footerBrand{display:flex;gap:12px;align-items:center}
.footerBrand img{width:36px;height:36px;border-radius:10px}
.footerTitle{font-size:15px;font-weight:600;color:#e2e8f0}
.footerSub{font-size:12px;color:#64748b;margin-top:2px}
.footerLinks{display:flex;flex-wrap:wrap;gap:16px}
.footerLinks a{color:#94a3b8;font-size:13px;transition:color .2s}
.footerLinks a:hover{color:#e2e8f0}
.footerCopy{width:100%;text-align:center;font-size:11px;color:#475569;margin-top:24px;padding-top:20px;border-top:1px solid #334155}

/* ── Subscribe Box ── */
.subscribeBox{display:flex;gap:10px;margin-top:10px}

/* ── Responsive ── */
@media(max-width:1024px){
  .hero,.articleHero{grid-template-columns:1fr}
  .heroMedia,.articleMedia{display:none}
  .cardsGrid{grid-template-columns:repeat(2,1fr)}
  .topicGrid,.catGrid{grid-template-columns:repeat(2,1fr)}
  .miniGrid{grid-template-columns:repeat(2,1fr)}
  .listItem{grid-template-columns:160px 1fr}
  .searchInput{width:160px}
}
@media(max-width:640px){
  .siteHeader{
    flex-wrap:wrap;height:auto;padding:10px 16px;gap:8px;
  }
  .brand{flex:1;min-width:0}
  .brandTitle{font-size:14px}
  .brandSub{font-size:10px}
  .searchBox{order:0;flex-shrink:0;margin-left:auto}
  .searchInput{width:36px;padding:8px;border-radius:50%;background:#f3f4f6 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236c6f7d' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85zm-5.242.156a5 5 0 1 1 0-10 5 5 0 0 1 0 10z'/%3E%3C/svg%3E") center/16px no-repeat;color:transparent;cursor:pointer;transition:all .3s}
  .searchInput:focus{width:100%;border-radius:10px;padding:8px 16px;color:var(--text);background-image:none;background-color:#f9fafb}
  .navBar{
    order:3;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;
    flex-wrap:nowrap;gap:2px;padding:4px 0;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .navBar::-webkit-scrollbar{display:none}
  .navItem{white-space:nowrap;flex-shrink:0;padding:7px 14px;font-size:12px;border-radius:20px}
  .navItem.isActive{background:var(--primary);color:#fff}
  .cardsGrid,.topicGrid,.catGrid,.miniGrid{grid-template-columns:1fr}
  .hero{padding:24px 18px}
  .hero h1{font-size:20px}
  .articleHero{padding:24px 18px}
  .articleBody{padding:20px 16px}
  .listItem{grid-template-columns:1fr}
  .hotItem{grid-template-columns:36px 1fr;gap:10px}
  .hotMeta{display:none}
  .newsRibbon{padding:0}
  .ribbonTitle{font-size:11px;padding:10px 12px}
  .ribbonWrap{padding:10px 0}
  .ribbonTrack{padding-left:12px;gap:24px}
  .ribbonItem{font-size:12px}
  .siteFooter .footerInner{flex-direction:column}
}

/* ── Enhanced Footer ── */
.footerGrid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:40px;margin-bottom:32px}
.footerSection h4{color:#e2e8f0;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footerSection ul{list-style:none;padding:0}
.footerSection li{margin-bottom:10px}
.footerSection li a{color:#94a3b8;font-size:13px;transition:color .2s}
.footerSection li a:hover{color:#e2e8f0}
.footerAbout{color:#64748b;font-size:13px;line-height:1.7;margin:16px 0}
.footerBadges{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.footerBadge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.15);border-radius:6px;color:#10b981;font-size:11px;font-weight:500}
.footerCert{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.footerCert span{color:#64748b;font-size:12px;display:flex;align-items:center;gap:6px}
.footerCert i{color:#10b981;font-size:14px}
.footerBottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid #334155;flex-wrap:wrap;gap:12px}
.footerSecure{display:flex;align-items:center;gap:12px;color:#64748b;font-size:12px}
.footerSecure i{color:#10b981;margin-right:2px}
@media(max-width:1024px){
  .footerGrid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .footerGrid{grid-template-columns:1fr}
  .footerBottom{flex-direction:column;text-align:center}
}