:root{--accent:#0e7490;--accent-strong:#155e75;--accent-soft:#ecfeff;--cta:#ea580c;--cta-hover:#c2410c;--bg:#fff;--bg-soft:#f8fafc;--bg-card:#fff;--border:#e2e8f0;--text:#1e293b;--text-soft:#64748b;--text-faint:#94a3b8;--shadow:0 1px 3px #0f172a0f, 0 4px 14px #0f172a0d;--radius:10px;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif}@media (prefers-color-scheme:dark){:root{--accent:#22d3ee;--accent-strong:#67e8f9;--accent-soft:#083344;--cta:#f97316;--cta-hover:#fb923c;--bg:#0f172a;--bg-soft:#1e293b;--bg-card:#16213a;--border:#2c3a55;--text:#e2e8f0;--text-soft:#94a3b8;--text-faint:#64748b;--shadow:0 1px 3px #00000059, 0 4px 14px #00000040}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-sans);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.75}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-strong);text-decoration:underline}img{max-width:100%;height:auto}.container{max-width:1120px;margin:0 auto;padding:0 20px}.layout-sidebar{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:40px;padding-top:32px;padding-bottom:64px;display:grid}.layout-single{padding-top:32px;padding-bottom:64px}@media (width<=900px){.layout-sidebar{grid-template-columns:1fr}}.site-header{border-bottom:1px solid var(--border);background:var(--bg);z-index:50;position:sticky;top:0}.site-header .container{align-items:center;gap:24px;height:60px;display:flex}.logo{color:var(--text);white-space:nowrap;align-items:center;gap:8px;font-size:20px;font-weight:700;display:flex}.logo:hover{color:var(--accent);text-decoration:none}.logo .logo-mark{border-radius:7px;width:28px;height:28px}.site-nav{scrollbar-width:none;flex:1;align-items:center;gap:4px;display:flex;overflow-x:auto}.site-nav::-webkit-scrollbar{display:none}.site-nav a{color:var(--text-soft);white-space:nowrap;border-radius:8px;padding:6px 12px;font-size:15px}.site-nav a:hover{background:var(--bg-soft);color:var(--text);text-decoration:none}.site-nav a.nav-highlight{background:var(--cta);color:#fff;font-weight:600}.site-nav a.nav-highlight:hover{background:var(--cta-hover)}.site-footer{border-top:1px solid var(--border);background:var(--bg-soft);color:var(--text-soft);margin-top:0;padding:40px 0 32px;font-size:14px}.footer-cols{flex-wrap:wrap;gap:40px;margin-bottom:24px;display:flex}.footer-cols h4{color:var(--text);margin:0 0 10px;font-size:14px}.footer-cols ul{margin:0;padding:0;list-style:none}.footer-cols li{margin-bottom:6px}.footer-cols a{color:var(--text-soft)}.footer-note{border-top:1px solid var(--border);color:var(--text-faint);padding-top:20px;font-size:13px}.btn{text-align:center;cursor:pointer;border-radius:8px;padding:10px 22px;font-size:15px;font-weight:600;transition:background .15s,transform .1s;display:inline-block}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-register{background:var(--cta);color:#fff!important}.btn-register:hover{background:var(--cta-hover)}.btn-secondary{background:var(--accent-soft);border:1px solid var(--accent);color:var(--accent-strong)!important}.btn-block{width:100%;display:block}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.hero{background:linear-gradient(135deg, var(--accent-soft), var(--bg));border-bottom:1px solid var(--border);text-align:center;padding:56px 0}.hero h1{margin:0 0 14px;font-size:clamp(26px,4vw,40px);line-height:1.3}.hero p{color:var(--text-soft);max-width:640px;margin:0 auto 28px;font-size:17px}.hero-actions{flex-wrap:wrap;justify-content:center;gap:14px;display:flex}.scenario-grid{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin:36px 0;display:grid}.scenario-card{color:var(--text);padding:20px;display:block}.scenario-card:hover{border-color:var(--accent);text-decoration:none}.scenario-card .scenario-emoji{margin-bottom:8px;font-size:26px;display:block}.scenario-card strong{margin-bottom:4px;font-size:16px;display:block}.scenario-card span{color:var(--text-soft);font-size:13.5px;line-height:1.5;display:block}.section-head{justify-content:space-between;align-items:baseline;gap:16px;margin:40px 0 18px;display:flex}.section-head h2{margin:0;font-size:22px}.section-head a{white-space:nowrap;font-size:14px}.article-list{gap:14px;display:grid}.article-card{color:var(--text);padding:18px 20px;display:block}.article-card:hover{border-color:var(--accent);text-decoration:none}.article-card h3{margin:0 0 6px;font-size:17px;line-height:1.5}.article-card p{color:var(--text-soft);margin:0 0 8px;font-size:14.5px;line-height:1.6}.article-card .article-meta{color:var(--text-faint);font-size:13px}.article-header h1{margin:0 0 12px;font-size:clamp(24px,3.2vw,32px);line-height:1.4}.article-header .article-meta{color:var(--text-faint);margin-bottom:8px;font-size:14px}.article-header .article-meta .updated{color:var(--accent);font-weight:600}.prose{font-size:16.5px}.prose h2{border-bottom:1px solid var(--border);margin:40px 0 14px;padding-bottom:8px;font-size:23px}.prose h3{margin:30px 0 10px;font-size:19px}.prose p{margin:0 0 16px}.prose ul,.prose ol{margin:0 0 16px;padding-left:24px}.prose li{margin-bottom:6px}.prose blockquote{border-left:4px solid var(--accent);background:var(--bg-soft);color:var(--text-soft);border-radius:0 8px 8px 0;margin:20px 0;padding:12px 18px}.prose blockquote p{margin:0}.prose code{background:var(--bg-soft);border:1px solid var(--border);border-radius:5px;padding:1px 6px;font-size:14px}.prose pre{background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;padding:14px 18px;overflow-x:auto}.prose pre code{background:0 0;border:none;padding:0}.prose table{border-collapse:collapse;width:100%;margin:20px 0;font-size:15px;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--border);text-align:left;padding:8px 12px}.prose th{background:var(--bg-soft)}.prose img{border-radius:8px}.cta-card{border:1px solid var(--accent);background:linear-gradient(135deg, var(--accent-soft), var(--bg-card));border-radius:var(--radius);margin:36px 0;padding:24px}.cta-card .cta-kicker{letter-spacing:.05em;color:var(--accent);text-transform:uppercase;margin-bottom:6px;font-size:13px;font-weight:700}.cta-card h3{margin:0 0 8px;font-size:19px}.cta-card p{color:var(--text-soft);margin:0 0 16px;font-size:15px}.airport-card{margin-bottom:20px;padding:24px;position:relative}.airport-rank{background:var(--accent);color:#fff;border-radius:0 0 8px 8px;padding:3px 12px;font-size:13px;font-weight:700;position:absolute;top:-1px;left:20px}.airport-rank.rank-1{background:var(--cta)}.airport-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:16px;margin-top:10px;display:flex}.airport-head h3{margin:0;font-size:20px}.airport-head .airport-price{color:var(--cta);white-space:nowrap;font-size:15px;font-weight:700}.airport-tagline{color:var(--text-soft);margin:8px 0 14px;font-size:15px}.airport-tags{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.airport-tags span{background:var(--bg-soft);border:1px solid var(--border);color:var(--text-soft);border-radius:999px;padding:2px 10px;font-size:12.5px}.airport-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:16px;display:flex}.airport-actions .review-link{font-size:14px}.score-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px 24px;margin:14px 0;display:grid}.score-item{font-size:13.5px}.score-item .score-label{color:var(--text-soft);justify-content:space-between;margin-bottom:4px;display:flex}.score-item .score-label b{color:var(--text)}.score-track{background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;height:6px;overflow:hidden}.score-fill{background:linear-gradient(90deg, var(--accent), var(--accent-strong));border-radius:999px;height:100%}.coupon-box{background:var(--bg-soft);border:1px dashed var(--cta);border-radius:8px;flex-wrap:wrap;align-items:center;gap:12px;margin:14px 0;padding:10px 16px;font-size:14.5px;display:flex}.coupon-box code{color:var(--cta);letter-spacing:.06em;background:0 0;font-size:16px;font-weight:700}.coupon-box button{border:1px solid var(--cta);color:var(--cta);cursor:pointer;background:0 0;border-radius:6px;padding:3px 12px;font-family:inherit;font-size:13px}.coupon-box button:hover{background:var(--cta);color:#fff}.sidebar{gap:20px;display:grid;position:sticky;top:84px}.sidebar-card{padding:20px}.sidebar-card h3{margin:0 0 14px;font-size:16px}.sidebar-airport{border-top:1px solid var(--border);padding:12px 0}.sidebar-airport:first-of-type{border-top:none;padding-top:0}.sidebar-airport .sa-name{justify-content:space-between;align-items:baseline;gap:8px;font-size:14.5px;font-weight:600;display:flex}.sidebar-airport .sa-name .sa-price{color:var(--cta);white-space:nowrap;font-size:13px}.sidebar-airport .sa-tagline{color:var(--text-soft);margin:4px 0 8px;font-size:13px;line-height:1.55}.sidebar-airport .sa-actions{gap:10px;font-size:13px;display:flex}.sidebar-airport .sa-actions .btn{padding:4px 12px;font-size:13px}.review-summary{margin:24px 0;padding:24px}.review-summary .rs-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:6px;display:flex}.review-summary .rs-head h2{border:none;margin:0;padding:0;font-size:21px}.review-summary .rs-score{color:var(--accent);font-size:28px;font-weight:800}.price-table{border-collapse:collapse;width:100%;margin:16px 0;font-size:15px}.price-table th,.price-table td{border:1px solid var(--border);text-align:left;padding:8px 14px}.price-table th{background:var(--bg-soft)}.speed-figure{margin:28px 0}.speed-figure img{border:1px solid var(--border);border-radius:var(--radius);width:100%}.speed-figure figcaption{color:var(--text-faint);text-align:center;margin-top:8px;font-size:13px}.faq-section{margin:36px 0}.faq-section h2{border-bottom:1px solid var(--border);margin:0 0 16px;padding-bottom:8px;font-size:21px}.faq-item{border:1px solid var(--border);background:var(--bg-card);border-radius:8px;margin-bottom:10px}.faq-item summary{cursor:pointer;padding:12px 16px;font-size:15px;font-weight:600;list-style-position:inside}.faq-item[open] summary{border-bottom:1px solid var(--border)}.faq-item p{color:var(--text-soft);margin:0;padding:12px 16px;font-size:14.5px;line-height:1.7}.brand-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;margin:28px 0;display:grid}.brand-card{flex-direction:column;gap:10px;padding:22px;display:flex}.brand-card .bc-head{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.brand-card .bc-head h2{margin:0;font-size:19px}.brand-card .bc-head .bc-score{color:var(--accent);white-space:nowrap;font-size:15px;font-weight:800}.brand-card .bc-tagline{color:var(--text-soft);margin:0;font-size:14px;line-height:1.6}.brand-card .bc-meta{grid-template-columns:auto 1fr;gap:4px 10px;margin:4px 0;font-size:13.5px;display:grid}.brand-card .bc-meta dt{color:var(--text-faint);white-space:nowrap}.brand-card .bc-meta dd{color:var(--text);margin:0}.brand-card .bc-price{color:var(--cta);font-size:15px;font-weight:700}.brand-card .bc-actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;display:flex}.brand-card .bc-actions .btn{padding:8px 16px;font-size:14px}.brand-card details.bc-speed summary{color:var(--accent);cursor:pointer;font-size:13.5px}.brand-card details.bc-speed img{border:1px solid var(--border);border-radius:8px;margin-top:10px}.breadcrumb{color:var(--text-faint);margin-bottom:16px;font-size:13.5px}.breadcrumb a{color:var(--text-soft)}.related{border-top:1px solid var(--border);margin-top:48px;padding-top:24px}.related h2{margin:0 0 16px;font-size:19px}.page-head{margin-bottom:28px}.page-head h1{margin:0 0 8px;font-size:clamp(24px,3.2vw,32px)}.page-head p{color:var(--text-soft);max-width:720px;margin:0}.board-nav{flex-wrap:wrap;gap:10px;margin:20px 0 28px;display:flex}.board-nav a{border:1px solid var(--border);color:var(--text-soft);background:var(--bg-card);border-radius:999px;padding:6px 14px;font-size:14px}.board-nav a:hover,.board-nav a.active{border-color:var(--accent);color:var(--accent);text-decoration:none}