:root{--ink:#111827;--muted:#657080;--blue:#2563eb;--line:#e7eaf0;--soft:#f6f8fb;--radius:10px;--width:1200px;color:var(--ink);font-synthesis:none;text-rendering:optimizelegibility;background:#fff;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;font-size:15px;line-height:1.7}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,summary{touch-action:manipulation}button{cursor:pointer}img{max-width:100%;display:block}h1,h2,h3,h4,p{margin:0}h1,h2,h3{color:#111;letter-spacing:-.025em;line-height:1.35}h1{font-size:40px;font-weight:760}h2{font-size:24px;font-weight:720}h3{font-size:17px;font-weight:680}p{color:var(--muted)}button{border:0}svg{flex-shrink:0}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #93c5fd}a:hover h3{color:var(--blue)}[hidden]{display:none!important}.container{width:min(var(--width),calc(100% - 64px));margin-inline:auto}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.skip-link{color:#fff;z-index:100;background:#111;padding:8px 16px;position:fixed;top:-80px;left:16px}.skip-link:focus{top:10px}.site-header{z-index:20;border-bottom:1px solid var(--line);background:#fffffff7;position:sticky;top:0}.header-inner{align-items:center;gap:36px;width:min(1320px,100% - 64px);height:76px;margin:auto;display:flex}.brand{white-space:nowrap;letter-spacing:-.035em;color:#111;align-items:center;gap:10px;font-size:23px;font-weight:800;display:inline-flex}.desktop-nav{align-items:center;gap:25px;margin:auto;display:flex}.desktop-nav a{white-space:nowrap;padding:26px 0;font-size:14px;font-weight:550;position:relative}.desktop-nav a.active:after{content:"";background:var(--blue);height:2px;position:absolute;bottom:18px;left:0;right:0}.header-search{color:#8a94a3;border:1px solid var(--line);background:#fafbfc;border-radius:7px;align-items:center;gap:9px;width:210px;padding:7px 10px;display:flex}.header-search input{background:0 0;border:0;outline:none;width:100%;min-width:0;font-size:12px}.mobile-menu{display:none;position:relative}.mobile-menu summary{cursor:pointer;padding:7px;list-style:none}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{border:1px solid var(--line);background:#fff;border-radius:10px;width:210px;padding:10px;position:absolute;top:48px;right:0;box-shadow:0 12px 40px #1111}.mobile-menu nav a{border-radius:6px;padding:10px 14px;display:block}.mobile-menu nav a:hover{background:var(--soft)}.hero{background:#fafbfc;border-bottom:1px solid #f0f2f6}.hero-inner{grid-template-columns:1fr 1.1fr;align-items:center;gap:36px;min-height:380px;padding-block:36px;display:grid}.hero h1{letter-spacing:-.04em;max-width:540px;font-size:46px;line-height:1.23}.hero p{color:#58616e;margin-top:19px;font-size:18px}.hero-art{object-fit:contain;mix-blend-mode:multiply;width:100%;height:310px}.hero-actions{flex-wrap:wrap;gap:14px;margin-top:26px;display:flex}.button{background:var(--blue);color:#fff;border:1px solid var(--blue);border-radius:7px;justify-content:center;align-items:center;gap:9px;min-height:44px;padding:11px 21px;font-size:14px;font-weight:650;line-height:1.5;transition:background .15s;display:inline-flex}.button:hover{background:#1d4ed8;border-color:#1d4ed8}.button.secondary{color:var(--blue);background:#fff}.button.secondary:hover{background:#eff6ff}.button.neutral{border-color:var(--line);color:var(--ink);background:#fff}.button.small{min-height:36px;padding:8px 12px;font-size:12px}.button.full{width:100%}.home-content{padding-top:26px;padding-bottom:55px}.home-section{margin-top:32px}.section-head{justify-content:space-between;align-items:center;gap:16px;margin-bottom:17px;display:flex}.section-head a{color:var(--blue);white-space:nowrap;align-items:center;gap:5px;font-size:13px;display:flex}.section-head h2{font-size:23px}.section-description{margin-top:-8px;margin-bottom:18px;font-size:14px}.grid{gap:18px;display:grid}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.software-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;align-items:flex-start;gap:16px;min-width:0;padding:22px 20px;transition:border-color .15s;display:flex;position:relative}.software-card:hover,.airport-card:hover,.article-card:hover{border-color:#b3cef8}.software-symbol{background:var(--symbol-color,#2563eb);color:#fff;border-radius:13px;flex-shrink:0;place-items:center;width:54px;height:58px;font-size:30px;font-weight:800;line-height:1;display:grid;box-shadow:inset 0 1px #ffffff30}.software-card .card-content{flex:1;min-width:0}.card-title-line{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.software-card p{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:7px;font-size:13px;line-height:1.65;display:-webkit-box;overflow:hidden}.tags{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.tag{color:#606a76;letter-spacing:0;white-space:nowrap;background:#f0f2f5;border-radius:5px;padding:2px 8px;font-size:11px;line-height:1.5;display:inline-flex}.tag.blue{color:#2563eb;background:#edf4ff}.tag.green{color:#258345;background:#edf9ef}.tag.orange{color:#b85c0b;background:#fff3e6}.tag.muted{color:#758090;background:#f1f3f6}.card-arrow{color:#9ca3af;align-self:center;display:none}.column-title{margin-block:28px 15px}.filter-controls{flex-wrap:wrap;gap:9px;display:flex}.filter-controls button{background:var(--soft);color:#485262;border:1px solid #0000;border-radius:7px;justify-content:center;align-items:center;gap:8px;min-height:42px;padding:9px 15px;font-size:13px;display:flex}.filter-controls button.active{background:var(--blue);color:#fff}.platform-filters{grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;display:grid}.category-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.category-card{border:1px solid var(--line);border-radius:var(--radius);background:#f7faff;align-items:center;gap:18px;min-height:112px;padding:18px;display:flex;position:relative;overflow:hidden}.category-card img{object-fit:cover;border-radius:8px;flex-shrink:0;width:88px;height:74px}.category-card h3{margin-bottom:5px;font-size:20px}.category-card p{font-size:12px}.circle-arrow{background:var(--blue);color:#fff;border-radius:50%;flex-shrink:0;place-items:center;width:26px;height:26px;margin-left:auto;display:grid}.airport-card{border:1px solid var(--line);border-radius:var(--radius);align-items:center;gap:15px;min-width:0;padding:20px;display:flex}.airport-symbol{background:color-mix(in srgb,var(--symbol-color) 10%,white);width:48px;height:48px;color:var(--symbol-color);border-radius:12px;flex-shrink:0;place-items:center;font-family:Inter,-apple-system,sans-serif;font-size:31px;font-weight:750;line-height:1;display:grid}.airport-card p{margin-top:6px;font-size:13px;line-height:1.65}.airport-card.compact{padding:15px}.airport-card.compact h3{font-size:15px}.airport-card.compact p{margin-top:2px;font-size:12px}.airport-card.compact .airport-symbol{width:39px;height:39px;font-size:26px}.domain{color:#8a94a3;overflow-wrap:anywhere;margin-top:7px;font-size:12px;display:block}.article-card{border:1px solid var(--line);border-radius:var(--radius);min-width:0;display:block;overflow:hidden}.article-card>img{aspect-ratio:1.8;object-fit:cover;width:100%}.article-card>div{padding:20px}.article-card h3{margin:9px 0 8px;font-size:17px;line-height:1.6}.article-card p{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;display:-webkit-box;overflow:hidden}.article-card time{color:#8a94a3;margin-top:12px;font-size:11px;display:block}.article-card.compact{grid-template-columns:125px 1fr;display:grid}.article-card.compact>img{aspect-ratio:auto;object-fit:cover;height:100%;min-height:139px}.article-card.compact>div{padding:16px}.article-card.compact h3{margin:5px 0 6px;font-size:14px}.article-card.compact time{margin-top:8px}.page-content{min-height:65vh;padding-top:26px;padding-bottom:65px}.breadcrumbs{color:#89919e;flex-wrap:wrap;gap:8px;margin-bottom:25px;font-size:12px;display:flex}.breadcrumbs a:hover{color:var(--blue)}.page-heading{justify-content:space-between;align-items:center;gap:30px;margin-bottom:32px;display:flex}.page-heading h1{font-size:34px}.page-heading p{max-width:740px;margin-top:10px;font-size:15px}.page-heading img{object-fit:cover;border-radius:var(--radius);width:270px;height:160px}.filters-bar{border-bottom:1px solid var(--line);margin-bottom:26px;padding:18px 0 24px}.filter-note{color:#8a94a3;margin-top:10px;font-size:12px}.filter-note strong{color:#596677}.empty-state{background:var(--soft);text-align:center;border-radius:10px;margin-top:20px;padding:30px}.panel{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:26px}.panel h2{margin-bottom:15px}.intro-panels{margin-bottom:28px}.intro-panels h3{margin-bottom:9px;font-size:17px}.intro-panels p{font-size:14px}.link-text{color:var(--blue)}.link-text:hover{text-decoration:underline}.large-symbol{width:78px;height:78px;font-size:42px}.detail-hero{grid-template-columns:1fr 380px;align-items:start;gap:28px;margin-bottom:32px;display:grid}.detail-title{align-items:center;gap:18px;margin:15px 0 20px;display:flex}.detail-title h1{font-size:35px}.detail-title p{margin-top:4px;font-size:13px}.detail-description{max-width:720px;font-size:16px;line-height:1.9}.detail-art{object-fit:cover;border-radius:var(--radius);width:100%;max-height:230px;margin-top:25px}.download-box{background:#fafbfe;position:sticky;top:100px}.download-box h2{font-size:20px}.download-box p{margin-bottom:16px;font-size:13px}.download-box .tags{margin-bottom:20px}.download-box .button{margin-bottom:12px}.detail-layout{grid-template-columns:minmax(0,1fr) 280px;gap:35px;display:grid}.content-block{margin-bottom:30px}.content-block h2{margin-bottom:18px}.content-block p{color:#5d6776;margin-block:12px;line-height:1.9}.feature-list{flex-wrap:wrap;gap:12px 20px;padding:0;list-style:none;display:flex}.feature-list li{color:#536174;align-items:center;gap:7px;font-size:14px;display:flex}.feature-list svg{color:#16a34a}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;padding:18px 0;font-weight:600}.faq-list details p{margin:0;padding-bottom:18px;font-size:14px;line-height:1.9}.sidebar .panel{margin-bottom:20px;padding:20px}.sidebar h2{font-size:17px}.sidebar p{font-size:13px}.sidebar-links{gap:13px;display:grid}.sidebar-links a{color:#536174;font-size:13px}.sidebar-links a:hover{color:var(--blue)}.table-wrap{border:1px solid var(--line);border-radius:10px;overflow-x:auto}.airport-table{border-collapse:collapse;text-align:left;width:100%;font-size:14px}.airport-table th{color:#697586;white-space:nowrap;background:#f7f9fc;font-size:12px;font-weight:500}.airport-table th,.airport-table td{border-bottom:1px solid var(--line);padding:17px 20px}.airport-table tr:last-child td{border-bottom:0}.table-name{align-items:center;gap:12px;min-width:150px;display:flex}.table-name .airport-symbol{width:36px;height:36px;font-size:22px}.table-name small{color:#8a94a3;margin-top:2px;font-size:11px;display:block}.airport-table .button{white-space:nowrap}.airport-table .muted-cell{color:#8a94a3;font-size:12px}.table-caption{text-align:left;color:#8a94a3;padding-top:12px;font-size:12px}.plan-empty{background:#f6f9ff;border:1px solid #e1ebff;border-radius:10px;justify-content:space-between;align-items:center;gap:25px;padding:24px;display:flex}.plan-empty p{max-width:550px;font-size:14px}.plan-empty h3{margin-bottom:8px}.plan-empty .button{white-space:nowrap}.plans .panel .price{color:var(--blue);font-size:32px;font-weight:750}.plans ul{color:var(--muted);padding-left:20px;font-size:14px}.article-layout{grid-template-columns:minmax(0,800px) 265px;justify-content:center;gap:50px;display:grid}.article-head h1{margin:14px 0;font-size:34px;line-height:1.5}.article-meta{color:#8a94a3;flex-wrap:wrap;gap:15px;margin-bottom:20px;font-size:12px;display:flex}.article-summary{margin-bottom:24px;font-size:16px;line-height:1.9}.article-cover{aspect-ratio:1.9;object-fit:cover;border-radius:10px;width:100%;height:auto;margin-bottom:36px}.article-body h2{margin:30px 0 16px;font-size:23px}.article-body p{color:#4d596b;margin:14px 0;font-size:16px;line-height:2}.article-body ul,.article-body ol{color:#4d596b;padding-left:25px;font-size:15px;line-height:1.95}.article-body li{margin:7px 0}.article-links{flex-wrap:wrap;gap:10px 20px;margin:18px 0;font-size:14px;display:flex}.toc{position:sticky;top:100px}.toc ol{color:#657080;margin:0;padding-left:22px;font-size:13px;line-height:1.8}.toc li{margin:8px 0}.article-footer{border-top:1px solid var(--line);margin-top:35px;padding-top:22px}.pagination-links{color:var(--blue);justify-content:space-between;gap:20px;margin-top:28px;font-size:13px;display:flex}.search-box{gap:12px;margin:24px 0;display:flex}.search-box input{border:1px solid var(--line);border-radius:7px;flex:1;min-width:0;padding:11px 15px}.search-result{border-bottom:1px solid var(--line);padding:23px 0;display:block}.search-result h2{font-size:20px}.search-result p{margin-top:8px;font-size:14px}.search-result small{color:var(--blue);margin-bottom:6px;font-size:12px;display:block}.search-status{color:#8a94a3;margin-bottom:10px;font-size:13px}.tag-cloud{flex-wrap:wrap;gap:9px;margin-top:25px;display:flex}.tag-cloud a{border:1px solid var(--line);border-radius:6px;padding:5px 12px;font-size:13px}.tag-cloud a:hover{border-color:var(--blue);color:var(--blue)}.site-footer{border-top:1px solid var(--line);background:#fafbfc}.footer-top{justify-content:space-between;align-items:center;gap:35px;padding-block:30px;display:flex}.footer-top p{margin-top:10px;font-size:12px}.footer-links{color:#738092;flex-wrap:wrap;gap:16px 24px;max-width:510px;font-size:12px;display:flex}.footer-links a:hover{color:var(--blue)}.footer-bottom{border-top:1px solid var(--line);color:#929bab;justify-content:space-between;padding-block:15px;font-size:11px;display:flex}@media (width>=1500px){.hero-inner{min-height:420px}.hero-art{height:340px}}@media (width<=1150px){.header-inner{gap:20px}.desktop-nav{gap:17px}.header-search{display:none}.hero h1{font-size:39px}.hero-inner{gap:20px}.grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-hero{grid-template-columns:1fr 330px}.category-card{gap:12px;padding:14px}.category-card img{width:68px;height:67px}.category-card h3{font-size:18px}.article-card.compact{grid-template-columns:100px 1fr}.article-layout{grid-template-columns:minmax(0,1fr) 235px;gap:30px}}@media (width<=850px){.desktop-nav{display:none}.mobile-menu{margin-left:auto;display:block}.header-inner{height:65px}.header-search{margin-left:auto;display:flex}.hero-inner{grid-template-columns:1fr 1fr;min-height:330px}.hero h1{font-size:32px}.hero p{font-size:15px}.hero-art{height:250px}.hero-actions{gap:10px}.hero-actions .button{padding:10px 15px}.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.category-cards{grid-template-columns:1fr}.category-card{min-height:100px;padding:17px}.category-card img{width:92px;height:70px}.home-articles{grid-template-columns:1fr!important}.article-card.compact{grid-template-columns:145px 1fr}.detail-layout{grid-template-columns:1fr}.sidebar{display:none}.article-layout{grid-template-columns:1fr}.article-sidebar{display:none}.detail-hero{grid-template-columns:1fr 290px}.detail-title h1{font-size:29px}.platform-filters{grid-template-columns:repeat(3,1fr)}.page-heading h1{font-size:29px}.page-heading img{width:220px;height:145px}.footer-top{align-items:flex-start}.footer-links{max-width:290px}}@media (width<=600px){.container{width:calc(100% - 36px)}.header-inner{width:calc(100% - 36px);height:60px}.brand{gap:8px;font-size:21px}.brand img{width:27px;height:27px}.header-search{display:none}.hero-inner{flex-direction:column;align-items:stretch;gap:0;padding-block:30px 25px;display:flex}.hero h1{max-width:340px;font-size:33px;line-height:1.3}.hero p{margin-top:15px;font-size:14px;line-height:1.8}.hero-art{order:2;height:225px;margin-top:13px}.hero-copy{display:contents}.hero-copy h1,.hero-copy>p{order:1}.hero-actions{flex-direction:column;order:3;gap:10px;margin-top:10px}.hero-actions .button{width:100%;min-height:44px;font-size:14px}.home-content{padding-top:22px;padding-bottom:35px}.platform-filters{gap:7px}.filter-controls button{gap:6px;padding:8px 10px;font-size:12px}.home-section{margin-top:27px}.section-head{margin-bottom:13px}.section-head h2{font-size:20px}.section-head a{font-size:12px}.section-description{font-size:13px}.grid.three,.grid.two{grid-template-columns:1fr}.grid.four{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.software-card{gap:14px;padding:17px 15px}.software-symbol{border-radius:10px;width:47px;height:49px;font-size:27px}.software-card h3{font-size:16px}.software-card p{font-size:12px}.card-arrow{display:block}.tags{gap:5px;margin-top:8px}.tag{font-size:10px}.category-cards{gap:11px}.category-card{gap:14px;min-height:94px;padding:13px}.category-card h3{font-size:18px}.category-card p{font-size:12px}.category-card img{width:88px;height:65px}.airport-card.compact{gap:8px;padding:13px 10px}.airport-card.compact .airport-symbol{width:30px;height:32px;font-size:22px}.airport-card.compact h3{font-size:14px}.airport-card.compact p{font-size:11px}.airport-card.compact .card-arrow{display:none}.article-card.compact{grid-template-columns:110px 1fr}.article-card.compact>img{min-height:129px}.article-card.compact>div{padding:13px}.article-card.compact h3{font-size:14px}.page-content{padding-top:20px;padding-bottom:40px}.breadcrumbs{margin-bottom:20px;font-size:11px}.page-heading{gap:20px;margin-bottom:23px}.page-heading h1{font-size:28px}.page-heading p{font-size:13px;line-height:1.9}.page-heading img{display:none}.filters-bar{margin-bottom:20px;padding-top:0}.detail-hero{grid-template-columns:1fr;gap:22px}.detail-title{gap:14px;margin-top:8px}.detail-title h1{font-size:27px}.detail-title .large-symbol{width:60px;height:63px;font-size:34px}.detail-description{font-size:14px}.detail-art{max-height:200px;margin-top:20px}.download-box{position:static}.panel{padding:21px}.content-block h2{font-size:21px}.content-block p{font-size:14px}.airport-table th,.airport-table td{padding:14px 12px}.airport-table th:nth-child(3),.airport-table td:nth-child(3){display:none}.table-name small{font-size:10px}.table-name{gap:8px}.airport-table .button{padding:7px 9px;font-size:11px}.plan-empty{flex-direction:column;align-items:flex-start;gap:18px;padding:20px}.plan-empty .button{width:100%}.article-head h1{font-size:27px}.article-summary{font-size:14px}.article-meta{gap:10px;font-size:11px}.article-cover{aspect-ratio:1.5;margin-bottom:25px}.article-body h2{font-size:21px}.article-body p{font-size:15px;line-height:2}.article-body li{font-size:14px}.search-box{gap:8px}.search-box .button{padding-inline:14px}.footer-top{flex-direction:column;gap:21px;padding-block:25px}.footer-links{gap:13px 23px;max-width:none}.footer-top p{font-size:11px}.intro-panels .panel{padding:20px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}