@charset "UTF-8";:root{--primary:#1A5F7A;--primary-d:#134B61;--primary-l:#E8F4F8;--accent:#E8A838;--accent-d:#C48A20;--accent-l:#FFF8EB;--success:#22863A;--success-l:#E6F9ED;--bg:#FAFBFC;--bg2:#F0F2F5;--card:#FFFFFF;--border:#D1D5DB;--text:#1A1D23;--text2:#4B5563;--dim:#9CA3AF;--danger:#DC2626;--radius:8px;--shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);--shadow-md:0 4px 12px rgba(0,0,0,.08);--shadow-lg:0 8px 30px rgba(0,0,0,.1);--font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;--container:1080px}*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-d)}.container{max-width:var(--container);margin:0 auto;padding:0 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0}.section-alt{background:var(--card)}.kicker{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);margin-bottom:10px}.sec-title{font-size:clamp(26px,3.5vw,38px);font-weight:900;letter-spacing:-.03em;color:var(--text);margin-bottom:12px;line-height:1.1}.sec-title em{font-style:normal;color:var(--primary)}.sec-sub{font-size:16px;color:var(--text2);max-width:560px;line-height:1.6;margin-bottom:40px}.breadcrumb{padding:12px 0;font-size:13px;color:var(--dim);border-bottom:1px solid var(--border);background:var(--card)}.breadcrumb a{color:var(--text2)}.breadcrumb a:hover{color:var(--primary)}.breadcrumb span{margin:0 8px}.article-layout{display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:start}.article-content{max-width:740px}.article-content h1{font-size:clamp(28px,4vw,40px);font-weight:900;letter-spacing:-.02em;line-height:1.15;margin-bottom:20px}.article-content h2{font-size:24px;font-weight:800;margin:48px 0 16px;padding-bottom:8px;border-bottom:2px solid var(--primary-l)}.article-content h3{font-size:19px;font-weight:700;margin:32px 0 12px}.article-content p{margin-bottom:16px}.article-content ul,.article-content ol{margin:0 0 16px 24px}.article-content li{margin-bottom:6px}.article-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--dim);margin-bottom:32px;padding-bottom:20px;border-bottom:1px solid var(--border)}.article-meta strong{color:var(--text)}.toc{position:sticky;top:80px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.toc-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--dim);margin-bottom:12px}.toc a{display:block;padding:6px 0;font-size:14px;color:var(--text2);border-left:2px solid transparent;padding-left:12px;transition:all .15s}.toc a:hover,.toc a.active{color:var(--primary);border-left-color:var(--primary)}.toc a.toc-h3{padding-left:24px;font-size:13px}.cost-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}.cost-table th{background:var(--primary);color:#fff;padding:12px 16px;text-align:left;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.05em}.cost-table td{padding:12px 16px;border-bottom:1px solid var(--border)}.cost-table tr:nth-child(even){background:var(--bg2)}.cost-table tr:hover{background:var(--primary-l)}.cost-table .price{font-weight:700;color:var(--primary);white-space:nowrap}.affiliate-box{background:var(--accent-l);border:1px solid #F0D080;border-radius:var(--radius);padding:24px;margin:24px 0;position:relative}.affiliate-badge{position:absolute;top:-10px;left:16px;background:var(--accent);color:#fff;font-size:11px;font-weight:700;padding:3px 10px;border-radius:4px;text-transform:uppercase;letter-spacing:.05em}.affiliate-box h4{font-size:17px;font-weight:800;margin:8px 0 6px}.affiliate-box 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p{font-size:14px;color:var(--text2);margin-bottom:12px;line-height:1.5}.cat-card .cat-count{font-size:12px;color:var(--dim);font-weight:600}@media (max-width:768px){.hero-grid{grid-template-columns:1fr;gap:32px}.hero{padding:48px 0}.hero-stats{gap:20px;flex-wrap:wrap}.article-layout{grid-template-columns:1fr}.toc{position:static;margin-bottom:24px}.card-grid-3{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.nav{display:none}.menu-toggle{display:block}.nav.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:16px;box-shadow:var(--shadow-md)}.section{padding:48px 0}.tool-row{flex-direction:column}}@media (max-width:480px){.hero h1{font-size:28px}.hero-stats{flex-direction:column;gap:12px}.footer-grid{grid-template-columns:1fr}.hdr{padding:10px 16px}.container{padding:0 16px}}