/* global.css - kwyy-tools 站点样式 */
/* ── 基础重置 ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans SC",sans-serif;font-size:16px;line-height:1.7;color:#334155;background:#f8fafc}
a{color:#2563eb;text-decoration:none}
a:hover{color:#1d4ed8}
img{max-width:100%;height:auto}
.container{max-width:1000px;margin:0 auto;padding:0 20px}
.section{padding:40px 0}
.breadcrumb + .section{padding-top:0}

/* ── 面包屑 ── */
.breadcrumb{padding:16px 0;font-size:13px;color:#94a3b8}
.breadcrumb a{color:#64748b;text-decoration:none}
.breadcrumb a:hover{color:#2563eb}
.breadcrumb span{margin:0 6px;color:#cbd5e1}

/* ── 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;overflow-x:auto}
.ks-subnav-inner a{padding:0 14px;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;white-space:nowrap}
.ks-subnav-inner a:hover{color:#2563eb;background:#EFF6FF}
.ks-subnav-inner a.active{background:#2563eb;color:#fff}

/* ── Hero 区域 ── */
.hero{background:linear-gradient(180deg,#eff6ff 0,#fff 100%);padding:48px 0 32px;text-align:center;border-bottom:2px solid #EFF4F8}
.hero h1{font-size:28px;font-weight:800;color:#0f172a;margin:0 0 12px;line-height:1.3}
.hero p{font-size:15px;color:#64748b;max-width:600px;margin:0 auto 20px;line-height:1.6}

/* ── 主CTA按钮 ── */
.cta-btn{display:inline-block;padding:14px 36px;background:#2563eb;color:#fff !important;font-size:17px;font-weight:600;border-radius:8px;text-decoration:none;min-height:48px;transition:background .15s}
.cta-btn:hover{background:#1d4ed8}
.cta-dl-meta{font-size:13px;color:#94a3b8;margin-top:8px}

/* ── H2/H3 ── */
h2{font-size:22px;font-weight:700;color:#0f172a;margin:32px 0 12px;padding-bottom:8px;border-bottom:2px solid #EFF4F8}
h3{font-size:17px;font-weight:600;color:#1e293b;margin:20px 0 8px}
p{margin:0 0 14px;font-size:15px;line-height:1.75;color:#475569}

/* ── Hub卡片网格 ── */
.hub-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:24px 0}
.hub-card{background:#fff;border:1px solid #EFF4F8;border-radius:8px;padding:24px;transition:box-shadow .15s,border-color .15s}
.hub-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.08);border-color:#cbd5e1}
.hub-card h3{margin:0 0 8px;font-size:16px}
.hub-card h3 a{color:#0f172a;text-decoration:none}
.hub-card h3 a:hover{color:#2563eb}
.hub-card p{margin:0;font-size:14px;color:#64748b;line-height:1.6}

/* ── 实体卡片 ── */
.entity-card{background:#fff;border:1px solid #EFF4F8;border-radius:8px;padding:24px;margin:20px 0}
.entity-card table{width:100%;border-collapse:collapse}
.entity-card td{padding:8px 12px;font-size:14px;border-bottom:1px solid #f1f5f9}
.entity-card td:first-child{font-weight:600;color:#0f172a;white-space:nowrap;width:140px}
.entity-card td:last-child{color:#475569}

/* ── 对比表格 ── */
.compare-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px;background:#fff;border-radius:8px;overflow:hidden;border:1px solid #e2e8f0}
.compare-table th{background:#f1f5f9;padding:12px 14px;text-align:center;font-weight:600;color:#0f172a;border-bottom:2px solid #e2e8f0}
.compare-table th:first-child{text-align:left}
.compare-table td{padding:12px 14px;border-bottom:1px solid #f1f5f9;text-align:center;color:#475569}
.compare-table td:first-child{text-align:left;font-weight:500;color:#334155}
.compare-table tr:last-child td{border-bottom:none}

/* ── 步骤列表 ── */
.steps{list-style:none;padding:0;margin:20px 0;counter-reset:step}
.steps li{counter-increment:step;padding:16px 16px 16px 60px;background:#fff;border:1px solid #EFF4F8;border-radius:8px;margin-bottom:12px;position:relative;font-size:14px;line-height:1.7;color:#475569}
.steps li::before{content:counter(step);position:absolute;left:16px;top:16px;width:32px;height:32px;border-radius:50%;background:#2563eb;color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center}

/* ── 注意卡片 ── */
.notice{background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:16px 20px;margin:20px 0;font-size:14px;color:#92400e;line-height:1.7}

/* ── FAQ ── */
.faq-section{background:#fff;border-top:2px solid #EFF4F8;padding:40px 0}
.faq-item{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid #f1f5f9}
.faq-item:last-child{border-bottom:none;margin-bottom:0}
.faq-q{font-size:16px;font-weight:600;color:#0f172a;margin-bottom:8px;display:flex;align-items:flex-start;gap:8px}
.faq-q::before{content:'Q';flex-shrink:0;width:24px;height:24px;border-radius:4px;background:#2563eb;color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.faq-a{font-size:14px;color:#475569;line-height:1.7;padding-left:32px}

/* ── 底部CTA ── */
.cta-section{background:linear-gradient(180deg,#eff6ff 0,#fff 100%);padding:48px 20px;text-align:center;border-radius:12px;margin:32px 0}
.cta-section h2{font-size:22px;border:none;margin:0 0 16px;padding:0}
.cta-section p{max-width:500px;margin:0 auto 20px;font-size:14px;color:#64748b}

/* ── Meta Bar（更新日期）── */
.meta-bar{padding:12px 0;font-size:13px;color:#94a3b8;border-bottom:1px solid #f1f5f9}

/* ── Footer 法律信息（从内联迁移）── */
.footer-legal{border-top:1px solid #EFF4F8;text-align:center;font-size:12px;color:#999;padding:24px 20px 48px}
.footer-legal-line{margin-top:12px}
.footer-legal-line:first-child{margin-top:24px}
.footer-legal-sep{margin-left:12px}
.footer-legal-sep a{color:#999;text-decoration:none}
.footer{background:#fff;padding:48px 20px 0;border-top:1px solid #EFF4F8}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:24px;max-width:1000px;margin:0 auto}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:12px;color:#0f172a}
.footer-col ul{list-style:none;padding:0}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:14px;color:#64748b;text-decoration:none}
.footer-col ul li a:hover{color:#2563eb}

/* ── 响应式 ── */
@media(max-width:768px){
  .ks-nav{display:none}
  .hero h1{font-size:22px}
  .hero{padding:32px 0 24px}
  .hub-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  h2{font-size:19px}
  .cta-btn{width:100%;text-align:center}
}