/* ── 金山毒霸主导航 ── */
.ks-header{background:#fff;border-bottom:1px solid #EFF4F8;position:sticky;top:0;z-index:200;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.ks-header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;height:56px;padding:0 20px}
.ks-logo{display:flex;align-items:center;margin-right:8px;flex-shrink:0}
.ks-logo img{height:36px}
.ks-logo-txt{font-size:18px;font-weight:700;color:#20B7F8;text-decoration:none}
.ks-nav{display:flex;align-items:center;flex:1}
.ks-nav-item{position:relative;height:56px;display:flex;align-items:center}
.ks-nav-item>a,.ks-nav-item>span{display:flex;align-items:center;gap:4px;padding:0 14px;height:56px;font-size:14px;color:#111;text-decoration:none;white-space:nowrap;cursor:pointer;border-radius:8px;transition:background .15s,color .15s}
.ks-nav-item:hover>a,.ks-nav-item:hover>span{background:rgba(183,233,255,.25);color:#20B7F8}
.ks-arrow{width:8px;height:6px;flex-shrink:0}
.ks-drop{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);padding-top:12px;z-index:300}
.ks-nav-item:hover .ks-drop{display:block}
.ks-drop-inner{display:flex;padding:28px 24px;border-radius:8px;background:linear-gradient(180deg,#edfbff 0,#fff 100%);box-shadow:0 16px 40px rgba(0,0,0,.1);white-space:nowrap}
.ks-drop-col{padding:0 16px;min-width:112px;font-size:14px;display:flex;flex-direction:column}
.ks-drop-col:first-child{padding-left:0}
.ks-drop-col:last-child{padding-right:0}
.ks-drop-col+.ks-drop-col{border-left:1px solid #EFF4F8}
.ks-drop-col-title{font-weight:900;color:#111;margin-bottom:8px}
.ks-drop-col a{display:block;margin-top:14px;color:#111;text-decoration:none;font-size:14px}
.ks-drop-col a:hover{color:#20B7F8}
.ks-nav-special{margin-left:4px}
/* ── 子站二级导航 ── */
.ks-subnav{background:#fff;border-bottom:2px solid #2563eb;position:sticky;top:56px;z-index:190}
.ks-subnav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;height:44px;padding:0 20px;gap:4px}
.ks-subnav-inner a{padding:0 16px;height:44px;line-height:44px;font-size:14px;font-weight:500;color:#374151;text-decoration:none;border-radius:4px 4px 0 0;transition:background .15s,color .15s}
.ks-subnav-inner a:hover{color:#2563eb;background:#EFF6FF}
.ks-subnav-inner a.active{background:#2563eb;color:#fff}
/* ── 基础布局 ── */
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:#334155;background:#f8fafc;font-size:16px;line-height:1.6;overflow-x:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
h1{font-size:28px;color:#0f172a;margin:0 0 24px;line-height:1.3}
h2{font-size:22px;color:#1e293b;margin:40px 0 16px;padding-bottom:8px;border-bottom:2px solid #EFF4F8}
h3{font-size:18px;color:#334155;margin:24px 0 12px}
p{margin:12px 0;font-size:15px;line-height:1.8}
ul,ol{margin:12px 0 12px 20px;line-height:1.8}
li{margin-bottom:6px;font-size:15px}
strong{color:#0f172a}
a{color:#2563eb;text-decoration:none}
a:hover{color:#1d4ed8;text-decoration:underline}
.section{padding:40px 0}
.breadcrumb{padding:12px 0;font-size:13px;color:#64748b}
.breadcrumb a{color:#64748b;text-decoration:none}
.breadcrumb a:hover{color:#2563eb}
.breadcrumb+.section{padding-top:0}
/* ── Hero ── */
.hero-v2{background:linear-gradient(180deg,#EFF6FF 0,#fff 100%);padding:48px 0 32px;text-align:center;border-radius:0 0 16px 16px;margin-bottom:0}
.hero-v2 .hero-icon{margin-bottom:16px}
.hero-v2 .hero-icon svg{width:64px;height:64px}
.hero-v2 h1{font-size:32px;margin-bottom:16px;border:none;padding:0}
.hero-v2 .hero-sub{font-size:16px;color:#475569;max-width:700px;margin:0 auto 24px}
.hero-v2+.section{padding-top:0}
/* ── CTA 按钮 ── */
.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:16px 0}
.cta-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;background:#2563eb;color:#fff;font-size:17px;font-weight:600;border-radius:8px;text-decoration:none;min-height:48px;transition:background .15s}
.cta-primary:hover{background:#1d4ed8;color:#fff;text-decoration:none}
.cta-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border:2px solid #2563eb;color:#2563eb;font-size:17px;font-weight:600;border-radius:8px;text-decoration:none;min-height:48px;transition:background .15s}
.cta-secondary:hover{background:#EFF6FF;text-decoration:none}
/* ── Hub 卡片网格 ── */
.hub-grid-v2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin:24px 0}
.hub-card-v2{background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:28px;text-decoration:none;transition:box-shadow .15s,border-color .15s;display:block;color:inherit}
.hub-card-v2:hover{box-shadow:0 8px 24px rgba(0,0,0,.08);border-color:#2563eb;text-decoration:none}
.hub-card-v2 .card-icon{width:40px;height:40px;margin-bottom:16px}
.hub-card-v2 .card-icon svg{width:40px;height:40px;color:#2563eb}
.hub-card-v2 h3{margin:0 0 8px;font-size:18px;color:#0f172a}
.hub-card-v2 p{margin:0 0 12px;font-size:14px;color:#64748b;line-height:1.6}
.hub-card-v2 .card-arrow{font-size:13px;color:#2563eb;font-weight:500}
/* ── FAQ ── */
.faq-v2{background:#f8fafc;padding:32px;border-radius:12px;margin:32px 0}
.faq-v2 h2{border:none;margin-top:0}
.faq-item-v2{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:20px;margin-bottom:12px}
.faq-item-v2:last-child{margin-bottom:0}
.faq-q{font-size:16px;font-weight:600;color:#0f172a;margin-bottom:8px}
.faq-a{font-size:14px;color:#475569;line-height:1.7;margin:0}
/* ── 对比表格 ── */
.compare-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.compare-table th{background:#EFF6FF;padding:12px 16px;text-align:left;font-weight:600;border-bottom:2px solid #2563eb}
.compare-table td{padding:10px 16px;border-bottom:1px solid #e2e8f0}
.compare-table tr:hover td{background:#f8fafc}
/* ── CTA Section ── */
.cta-section-v2{background:linear-gradient(180deg,#EFF6FF,#fff);text-align:center;padding:40px 20px;border-radius:12px;margin:32px 0}
.cta-section-v2 h2{border:none;margin-top:0;font-size:22px}
.cta-section-v2 p{color:#475569;margin-bottom:20px}
/* ── 下载面板（download_panel 合规组件·极优自适应版） ── */
.duba-trust-panel{background:linear-gradient(180deg, #ffffff, #fafcfd);border:1px solid #e2e8f0;border-radius:12px;padding:20px 24px;max-width:480px;margin:24px auto;box-shadow:0 4px 20px rgba(0,0,0,0.05);text-align:left}
.trust-panel-brand-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#6b7280;margin-bottom:14px;flex-wrap:wrap;gap:6px}
.trust-panel-brand-row strong{color:#0f172a}
.trust-panel-btn{display:flex;align-items:center;justify-content:center;width:100%;padding:14px 24px;font-size:16px;font-weight:700;border-radius:8px;text-decoration:none;min-height:48px;border:none;outline:none;cursor:pointer;transition:all 0.2s;color:#fff !important}
.trust-panel-btn svg{width:20px;height:20px;margin-right:8px;flex-shrink:0}
.trust-btn-blue{background:linear-gradient(135deg, #1a80f0, #116ed4);color:#fff}
.trust-btn-green{background:linear-gradient(135deg, #10b981, #059669);color:#fff}
.trust-panel-btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,0,0,0.15);opacity:0.95;text-decoration:none;color:#fff}
.trust-panel-badges{display:flex;gap:16px;margin-top:12px;font-size:12px;color:#94a3b8;flex-wrap:wrap}
.trust-panel-badges span{display:inline-flex;align-items:center;gap:4px}
.trust-panel-badges svg{width:14px;height:14px}
/* ── Notice 卡片 ── */
.notice-card{background:#FEF9C3;border-left:4px solid #EAB308;padding:16px 20px;border-radius:6px;margin:24px 0;font-size:14px;color:#854D0E;line-height:1.7}
/* ── Meta Bar ── */
.meta-bar{font-size:13px;color:#64748b;padding:8px 0;display:flex;align-items:center;gap:6px}
.meta-bar svg{width:14px;height:14px;color:#94a3b8}
/* ── Entity Card ── */
.entity-card{background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:24px;margin:24px 0}
.entity-card h2{margin-top:0;font-size:18px;border:none;padding:0}
.entity-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-top:16px}
.entity-label{font-size:12px;color:#94a3b8;text-transform:uppercase;letter-spacing:.5px}
.entity-value{font-size:16px;font-weight:600;color:#0f172a;margin-top:4px}
/* ── 侧边栏 ── */
.content-layout{display:grid;grid-template-columns:1fr 280px;gap:32px}
.main-content{min-width:0}
.sidebar{position:sticky;top:120px;align-self:start}
.sidebar-card{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:20px;margin-bottom:16px}
.sidebar-card h3{margin:0 0 12px;font-size:15px;color:#0f172a;border-bottom:1px solid #EFF4F8;padding-bottom:8px}
.sidebar-card ul{list-style:none;margin:0;padding:0}
.sidebar-card li{margin-bottom:6px}
.sidebar-card a{font-size:13px;color:#475569;text-decoration:none;display:block;padding:4px 0}
.sidebar-card a:hover{color:#2563eb}
/* ── 步骤列表 ── */
.steps-v2{margin:24px 0 24px 20px;padding:0;line-height:1.8}
.steps-v2 li{margin-bottom:16px;font-size:15px}
/* ── Footer ── */
.footer{background:#fff;border-top:1px solid #EFF4F8;padding:40px 0 24px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.footer-col h4{font-size:15px;color:#0f172a;margin-bottom:12px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:6px;font-size:13px}
.footer-col a{color:#64748b;text-decoration:none;font-size:13px}
.footer-col a:hover{color:#2563eb}
/* ── 响应式 ── */
@media(max-width:768px){
.content-layout{display:block}
.sidebar{position:static;margin-top:32px}
.footer-grid{grid-template-columns:1fr 1fr}
.hub-grid-v2{grid-template-columns:1fr}
.hero-v2 h1{font-size:24px}
h1{font-size:22px}
h2{font-size:18px}
.compare-table{font-size:12px}
.compare-table th,.compare-table td{padding:8px 10px}
}