:root{--blue:#1f4f8f;--blue2:#2f6fc0;--ink:#1b2330;--muted:#5d6b80;--line:#dfe5ee;--bg:#f5f7fb;--accent:#e2563b;--ok:#1d8a5b;--warn:#b7791f;--radius:10px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;font-size:16px}
a{color:var(--blue2);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.25;margin:0 0 .6em}h1{font-size:2.1rem}h2{font-size:1.5rem;margin-top:1.4em}h3{font-size:1.1rem}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.narrow{max-width:520px}.narrow-wide{max-width:820px}
.muted{color:var(--muted)}.small{font-size:.86rem}.center{text-align:center}
.lead{font-size:1.12rem;color:#3a475a}
.beta-banner{display:block;background:linear-gradient(90deg,#e2563b,#f08a3c);color:#fff;text-align:center;padding:9px 16px;font-weight:600;font-size:.95rem}
.beta-banner:hover{text-decoration:none;filter:brightness(1.05)}
.beta-banner .pill{background:#fff;color:#e2563b;border-radius:99px;padding:1px 8px;font-size:.75rem;margin-right:6px;vertical-align:1px}
.beta-banner .cta{margin-left:10px;text-decoration:underline}
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
.header-inner{display:flex;align-items:center;gap:20px;height:62px}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:1.25rem;color:var(--ink)}.brand:hover{text-decoration:none}
.nav{display:flex;align-items:center;gap:18px;flex:1}.nav a{color:var(--ink);font-size:.97rem}.nav a.active{color:var(--blue2);font-weight:600}
.nav-spacer{flex:1}.nav .lang{color:var(--muted)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:6px;font-size:1.2rem;padding:4px 10px;cursor:pointer}
form.inline{display:inline;margin:0}
button.link{background:none;border:0;color:var(--blue2);cursor:pointer;font:inherit;padding:0}
.btn{display:inline-block;background:var(--blue2);color:#fff;border:1px solid var(--blue2);border-radius:8px;padding:10px 18px;font-weight:600;font-size:.97rem;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--blue);text-decoration:none}
.btn-small{padding:6px 12px;font-size:.88rem}.btn-big{padding:13px 24px;font-size:1.05rem}.btn-wide{width:100%}
.btn-ghost{background:#fff;color:var(--blue2)}.btn-ghost:hover{background:#eef4fc}
.btn-light{background:#fff;color:var(--blue);border-color:#fff}.btn-light:hover{background:#eef4fc}
.btn-outline-light{background:transparent;color:#fff;border-color:#fff;margin-left:8px}.btn-outline-light:hover{background:rgba(255,255,255,.12)}
.nav .btn{color:#fff}
.flash{background:#e8f6ef;border:1px solid #b8e3cc;color:#145c3d;padding:10px 14px;border-radius:8px;margin-top:16px}
.error{background:#fdecea;border:1px solid #f5c2bc;color:#8a2a1c;padding:10px 14px;border-radius:8px;margin:12px 0}.error ul{margin:0;padding-left:18px}
.hero{background:linear-gradient(180deg,#f2f6fc,#fff);padding:64px 0 40px}
.hero-inner{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center}
.hero h1{font-size:2.6rem;letter-spacing:-.01em}
.eyebrow{display:inline-block;color:var(--accent);font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 8px}
.cab-art{width:100%;height:auto;filter:drop-shadow(0 10px 30px rgba(31,79,143,.15))}
.section{padding:48px 20px}.section.alt,.alt{background:var(--bg)}
section.alt .wrap{padding-top:8px;padding-bottom:8px}
.steps{list-style:none;padding:0;margin:24px 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;counter-reset:s}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;counter-increment:s;position:relative}
.steps li::before{content:counter(s);display:inline-flex;width:28px;height:28px;border-radius:50%;background:var(--blue2);color:#fff;align-items:center;justify-content:center;font-weight:700;margin-bottom:8px}
.steps b{display:block}.steps span{color:var(--muted);font-size:.92rem}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px 28px;margin:20px 0}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.feature.highlight{border-color:var(--accent);box-shadow:0 0 0 3px rgba(226,86,59,.12)}
.feature .icon{font-size:1.6rem;margin-bottom:6px}.feature p{color:#3d4a5c;font-size:.95rem;margin:0}
.why h3{color:var(--blue)}.why p{color:#3d4a5c;margin:0}
.split{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stats div{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;text-align:center}
.stats b{display:block;font-size:1.6rem;color:var(--blue)}.stats span{color:var(--muted);font-size:.85rem}
.stats.big{grid-template-columns:repeat(2,1fr)}.stats.big b{font-size:2.1rem;color:var(--accent)}
.cta-band{background:linear-gradient(90deg,var(--blue),var(--blue2));color:#fff;padding:48px 0}.cta-band h2{margin-top:0}
.page-head{background:linear-gradient(180deg,#f2f6fc,#fff);padding:48px 0 16px}
.feature-block h2{margin-top:0}
.checks{list-style:none;padding:0;columns:2;column-gap:36px}.checks li{break-inside:avoid;padding:4px 0 4px 26px;position:relative}
.checks li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
.outputs div{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px}.outputs b{display:block;font-family:ui-monospace,Consolas,monospace;color:var(--blue)}.outputs span{color:#3d4a5c;font-size:.93rem}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{background:#eef3fb;color:var(--blue);border-radius:99px;padding:5px 12px;font-size:.92rem}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0}.timeline div{border-top:4px solid var(--line);padding-top:10px}.timeline .done{border-color:var(--ok)}.timeline .now{border-color:var(--accent)}
.timeline b{display:block}.timeline span{color:var(--muted);font-size:.92rem}
.faq details{border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;margin-bottom:10px;background:#fff}.faq summary{font-weight:600;cursor:pointer}.faq p{margin:.6em 0 0;color:#3d4a5c}
.legal h2{font-size:1.15rem}
.news{padding-left:18px}
.card-page{padding-top:40px;padding-bottom:60px}
.form{display:flex;flex-direction:column;gap:14px;margin:16px 0}
.form label{display:flex;flex-direction:column;gap:5px;font-weight:600;font-size:.94rem}
.form input,.form select,.form textarea{font:inherit;font-weight:400;padding:10px 12px;border:1px solid #c9d2df;border-radius:8px;background:#fff;width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid #b9d1f2;border-color:var(--blue2)}
.form label.check{flex-direction:row;align-items:center;gap:8px;font-weight:400}.form label.check input{width:auto}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.status-box{border-radius:8px;padding:12px 14px;margin:12px 0;display:flex;flex-wrap:wrap;gap:10px;align-items:center}.status-box form{margin:0}
.status-box.ok{background:#e8f6ef;border:1px solid #b8e3cc}.status-box.warn{background:#fff6e5;border:1px solid #f3d9a4}
.forum-bar{display:flex;gap:10px;justify-content:space-between;align-items:center;margin:18px 0;flex-wrap:wrap}
.search{display:flex;gap:6px}.search input{padding:7px 10px;border:1px solid #c9d2df;border-radius:8px;font:inherit;min-width:220px}
.categories{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.category-card{display:block;border:1px solid var(--line);border-radius:var(--radius);padding:16px;color:var(--ink);background:#fff}.category-card:hover{border-color:var(--blue2);text-decoration:none}
.category-card h3{color:var(--blue);margin-bottom:4px}.category-card p{margin:0 0 6px;color:#3d4a5c;font-size:.93rem}
.topic-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}.topic-list>p{padding:14px;margin:0}
.topic-row{display:grid;grid-template-columns:1fr 70px 130px;gap:10px;padding:12px 16px;border-top:1px solid var(--line);align-items:center}.topic-row:first-child{border-top:0}
.topic-row.pinned{background:#fbfcfe}.topic-title{font-weight:600;color:var(--ink)}
.meta{color:var(--muted);font-size:.84rem;display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:2px}
.topic-stats{text-align:center}.topic-stats b{display:block}.topic-stats span{font-size:.75rem;color:var(--muted)}
.tag{background:#eef1f6;color:#4a5668;border-radius:4px;padding:0 6px;font-size:.78rem}.tag-cat{background:#eef3fb;color:var(--blue)}.tag-team{background:var(--blue2);color:#fff}.tag-danger{background:#fdecea;color:#8a2a1c}
.status{border-radius:4px;padding:0 6px;font-size:.78rem;font-weight:600}
.status-open{background:#fff6e5;color:#8a5a0b}.status-answered,.status-done{background:#e8f6ef;color:#145c3d}.status-planned,.status-in_progress{background:#eef3fb;color:var(--blue)}.status-wont_fix{background:#eef1f6;color:#4a5668}
.status-filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.status-filter a{border:1px solid var(--line);border-radius:99px;padding:2px 10px;font-size:.86rem;color:var(--ink)}.status-filter a.active{background:var(--blue2);color:#fff;border-color:var(--blue2)}
.pager{display:flex;gap:16px;justify-content:center;margin:16px 0}
.crumbs{margin:24px 0 4px;font-size:.9rem}.topic-h1{margin-bottom:4px}
.post{border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;margin:14px 0;background:#fff}
.post header{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:6px}.post .permalink{margin-left:auto}
.post-team{border-left:4px solid var(--blue2)}.post-deleted{opacity:.5}
.avatar{width:28px;height:28px;border-radius:50%;background:#dfe8f5;color:var(--blue);display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem}
.post-body{overflow-wrap:anywhere}.post-body p{margin:.5em 0}
.post-body pre{background:#f3f5f9;border:1px solid var(--line);border-radius:6px;padding:10px;overflow:auto;font-size:.88rem}
.post-body code{font-family:ui-monospace,Consolas,monospace;background:#f3f5f9;border-radius:4px;padding:0 4px}.post-body pre code{background:none;padding:0}
.mod-bar{display:flex;gap:6px;flex-wrap:wrap;align-items:center;background:#fff8ee;border:1px dashed #f3d9a4;padding:8px;border-radius:8px;margin:10px 0}.mod-bar select{padding:5px;border-radius:6px}
.reply-box{margin:20px 0 40px}
.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:.88rem}th,td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left;white-space:nowrap}tr.banned{opacity:.5}
.site-footer{border-top:1px solid var(--line);padding:32px 0 24px;margin-top:0;background:#fafbfd}
.footer-inner{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:16px}
.footer-links{display:grid;grid-template-columns:repeat(4,auto);gap:6px 28px}.footer-links a{color:#3d4a5c;font-size:.92rem}
@media (max-width:900px){
 .hero-inner,.split{grid-template-columns:1fr}.hero h1{font-size:2rem}.hero-art{max-width:420px}
 .grid4{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:1fr 1fr}.checks{columns:1}
 .nav-toggle{display:block}.nav{display:none;position:absolute;top:62px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:12px 20px 18px;border-bottom:1px solid var(--line);gap:12px}
 .nav.open{display:flex}.nav-spacer{display:none}
 .footer-links{grid-template-columns:repeat(2,auto)}
}
@media (max-width:560px){
 .grid4,.grid3,.timeline{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}h1{font-size:1.7rem}
 .topic-row{grid-template-columns:1fr 54px}.topic-last{display:none}.beta-banner{font-size:.85rem}
}