*{box-sizing:border-box;margin:0;padding:0}
:root{
  --brand:#E11D48;
  --brand-dark:#be123c;
  --bg:#F5F5F5;
  --card:#ffffff;
  --text:#0A0A0A;
  --text-muted:#525252;
  --text-dim:#737373;
  --border:#e5e5e5;
  --border-strong:#d4d4d4;
  --chip-bg:#f5f5f5;
}
html,body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue','PingFang SC','Microsoft YaHei',Arial,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--text);text-decoration:none}
a:hover{color:var(--brand)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}

/* ── Top header ── */
.fw-hdr{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--border);height:56px;display:flex;align-items:center}
.fw-hdr-inner{max-width:1380px;width:100%;margin:0 auto;padding:0 16px;display:flex;align-items:center;gap:16px}
.fw-logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px;color:var(--brand);flex-shrink:0}
.fw-logo img{width:32px;height:32px}
.fw-search{flex:1;max-width:520px;position:relative}
.fw-search input{width:100%;height:40px;padding:0 12px 0 38px;background:#fafafa;border:1px solid var(--border);border-radius:6px;font-size:14px;color:var(--text);outline:none}
.fw-search input:focus{background:#fff;border-color:var(--brand)}
.fw-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted)}
.fw-hdr-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.fw-hdr-right a{font-size:14px;color:var(--text-muted)}
.fw-hdr-right a.fw-btn{padding:8px 14px;background:var(--brand);color:#fff;border-radius:6px;font-weight:600}
.fw-hdr-right a.fw-btn:hover{background:var(--brand-dark);color:#fff}
.fw-hdr-right a.fw-btn-outline{padding:7px 13px;border:1px solid var(--brand);color:var(--brand);border-radius:6px;font-weight:600}
.fw-hdr-right a.fw-btn-outline:hover{background:var(--brand);color:#fff}
.fw-lang{position:relative}
.fw-lang-btn{background:none;border:1px solid var(--border);color:var(--text-muted);height:36px;padding:0 12px;border-radius:6px;cursor:pointer;font-size:14px;display:flex;align-items:center;gap:6px}
.fw-lang-btn:hover{border-color:var(--brand)}
.fw-lang-drop{position:absolute;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,.08);min-width:160px;padding:6px;display:none;z-index:60}
.fw-lang-drop.show{display:block}
.fw-lang-drop a{display:block;padding:8px 12px;border-radius:4px;font-size:14px;color:var(--text)}
.fw-lang-drop a:hover{background:var(--bg)}
.fw-lang-drop a.active{color:var(--brand);font-weight:600}

.fw-mob-btn{display:none;background:none;border:1px solid var(--border);padding:6px;border-radius:6px;cursor:pointer}

/* ── Main layout: 3-column ── */
.fw-wrap{max-width:1380px;margin:0 auto;padding:16px;display:grid;grid-template-columns:240px 1fr 320px;gap:16px;align-items:start}
.fw-side-left, .fw-side-right{position:sticky;top:72px}

/* Left nav */
.fw-nav{background:transparent;padding:4px 0}
.fw-nav a{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:6px;font-size:15px;color:var(--text);font-weight:500}
.fw-nav a:hover{background:#fae0e6;color:var(--brand)}
.fw-nav a.active{background:#fce7ec;color:var(--brand)}
.fw-nav-sep{height:1px;background:var(--border);margin:12px 0}
.fw-nav-title{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);padding:8px 12px;font-weight:700}
.fw-nav-tags{padding:0 12px;display:flex;flex-wrap:wrap;gap:6px}
.fw-nav-tags a{padding:4px 10px;background:var(--chip-bg);border-radius:4px;font-size:13px;color:var(--text-muted);font-weight:500}
.fw-nav-tags a:hover{background:var(--brand);color:#fff}

/* Feed cards */
.fw-feed{display:flex;flex-direction:column;gap:10px}
.fw-card{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:20px 24px;transition:border-color .15s}
.fw-card:hover{border-color:var(--border-strong)}
.fw-card-meta{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:14px}
.fw-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--brand),#f472b6);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:13px;flex-shrink:0}
.fw-card-author{font-weight:600;color:var(--text);font-size:14px}
.fw-card-time{color:var(--text-dim);font-size:13px}
.fw-card-title{font-size:22px;font-weight:800;line-height:1.3;margin:4px 0 10px;color:var(--text)}
.fw-card-title a{color:inherit}
.fw-card-title a:hover{color:var(--brand)}
.fw-card-desc{color:var(--text-muted);font-size:14px;line-height:1.55;margin-bottom:12px}
.fw-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.fw-card-tags a{padding:4px 8px;font-size:13px;color:var(--text-muted);border-radius:4px}
.fw-card-tags a:hover{background:var(--chip-bg);color:var(--text)}
.fw-card-foot{display:flex;align-items:center;gap:14px;color:var(--text-dim);font-size:13px;padding-top:10px;border-top:1px dashed var(--border)}
.fw-card-foot span{display:inline-flex;align-items:center;gap:4px}

/* Right widgets */
.fw-widget{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:16px 18px;margin-bottom:14px}
.fw-widget h3{font-size:15px;font-weight:800;margin-bottom:12px;color:var(--text);display:flex;align-items:center;gap:6px}
.fw-widget-item{padding:10px 0;border-bottom:1px solid var(--border);font-size:14px}
.fw-widget-item:last-child{border-bottom:0}
.fw-widget-item .fw-wt{color:var(--text);font-weight:600;display:block;margin-bottom:4px;line-height:1.4}
.fw-widget-item .fw-wt:hover{color:var(--brand)}
.fw-widget-item .fw-wm{font-size:12px;color:var(--text-dim)}
.fw-widget-cat{display:flex;flex-wrap:wrap;gap:6px}
.fw-widget-cat a{padding:6px 10px;background:var(--chip-bg);border-radius:4px;font-size:13px;color:var(--text-muted);font-weight:500}
.fw-widget-cat a:hover{background:var(--brand);color:#fff}

/* Post / list / static page */
.fw-post-wrap{max-width:1380px;margin:0 auto;padding:16px;display:grid;grid-template-columns:240px 1fr 320px;gap:16px;align-items:start}
.fw-post-wrap > .fw-side-left, .fw-post-wrap > .fw-side-right{position:sticky;top:72px}
.fw-post-wrap.no-right{grid-template-columns:240px 1fr}
.fw-post{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:32px 40px 48px;min-width:0}
.fw-post-header{margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.fw-breadcrumb{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-dim);margin-bottom:12px;flex-wrap:wrap}
.fw-breadcrumb a{color:var(--text-dim)}
.fw-breadcrumb a:hover{color:var(--brand)}
.fw-breadcrumb span{color:var(--text-dim)}
.fw-post h1{font-size:32px;font-weight:800;line-height:1.25;margin-bottom:14px;color:var(--text)}
.fw-post-meta{display:flex;align-items:center;gap:12px;color:var(--text-muted);font-size:14px;flex-wrap:wrap}
.fw-post-meta span{display:flex;align-items:center;gap:4px}
.fw-post-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.fw-post-tags a{padding:4px 10px;background:var(--chip-bg);border-radius:4px;font-size:13px;color:var(--text-muted)}
.fw-post-tags a:hover{background:var(--brand);color:#fff}
.fw-body{font-size:16px;line-height:1.8;color:#262626}
.fw-body h2{font-size:24px;font-weight:800;margin:32px 0 14px;padding-top:8px;color:var(--text)}
.fw-body h3{font-size:19px;font-weight:700;margin:24px 0 10px;color:var(--text)}
.fw-body p{margin:14px 0}
.fw-body ul,.fw-body ol{padding-left:24px;margin:14px 0}
.fw-body ul li{list-style:disc;margin:6px 0}
.fw-body ol li{list-style:decimal;margin:6px 0}
.fw-body strong{color:var(--text);font-weight:700}
.fw-body a{color:var(--brand);text-decoration:underline}
.fw-body code{background:var(--chip-bg);padding:2px 6px;border-radius:4px;font-family:'SF Mono',Consolas,Monaco,monospace;font-size:14px;color:#c2185b}
.fw-body pre{background:#0f172a;color:#e2e8f0;padding:16px 20px;border-radius:6px;overflow-x:auto;margin:18px 0}
.fw-body pre code{background:none;padding:0;color:inherit}
.fw-body blockquote{border-left:3px solid var(--brand);padding:6px 16px;margin:16px 0;background:#fef2f5;color:var(--text-muted)}
.fw-toc{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:16px 18px;margin-bottom:14px}
.fw-toc h4{font-size:14px;font-weight:800;margin-bottom:10px}
.fw-toc ul li{font-size:13px;padding:4px 0}
.fw-toc ul li a{color:var(--text-muted)}
.fw-toc ul li a:hover{color:var(--brand)}
.fw-toc ul li.toc-h3{padding-left:16px}

/* List page hero */
.fw-page-hd{background:#fff;border:1px solid var(--border);border-radius:8px;padding:24px 28px;margin-bottom:14px}
.fw-page-hd h1{font-size:24px;font-weight:800;margin-bottom:6px}
.fw-page-hd p{color:var(--text-muted);font-size:14px}

/* Pagination */
.fw-pg{display:flex;align-items:center;justify-content:center;gap:4px;margin:24px 0}
.fw-pg a,.fw-pg span{min-width:36px;height:36px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:6px;font-size:14px;color:var(--text);background:#fff}
.fw-pg a:hover{border-color:var(--brand);color:var(--brand)}
.fw-pg .active{background:var(--brand);color:#fff;border-color:var(--brand)}
.fw-pg .disabled{color:#d4d4d4;background:#fafafa;cursor:not-allowed}

/* Download page */
.fw-dl{background:#fff;border:1px solid var(--border);border-radius:8px;padding:32px 40px}
.fw-dl h1{font-size:28px;font-weight:800;margin-bottom:6px}
.fw-dl-desc{color:var(--text-muted);margin-bottom:24px}
.fw-dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:24px}
.fw-dl-card{border:1px solid var(--border);border-radius:8px;padding:20px 22px;background:#fff;transition:border-color .15s}
.fw-dl-card:hover{border-color:var(--brand)}
.fw-dl-card h3{font-size:16px;font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.fw-dl-card p{font-size:13px;color:var(--text-muted);margin-bottom:12px}
.fw-dl-card ul li{font-size:13px;color:var(--text-muted);margin:4px 0}
.fw-dl-card ul li::before{content:"✓";color:var(--brand);margin-right:6px;font-weight:700}
.fw-dl-card button, .fw-dl-card a.dl-btn{display:inline-block;margin-top:12px;padding:9px 16px;background:var(--brand);color:#fff;border:none;border-radius:6px;font-weight:600;font-size:13px;cursor:pointer;text-decoration:none}
.fw-dl-card button:hover, .fw-dl-card a.dl-btn:hover{background:var(--brand-dark);color:#fff}

/* Footer — dev.to style: dark, centered top, link cols, centered bottom */
.fw-ftr{background:#171717;color:#d4d4d4;padding:0;margin-top:40px}
.fw-ftr-inner{max-width:1380px;margin:0 auto;padding:56px 16px 32px}
.fw-ftr-top{text-align:center;padding:8px 16px 40px;border-bottom:1px solid #262626;margin-bottom:32px}
.fw-ftr-title{font-size:40px;font-weight:900;letter-spacing:-.02em;margin-bottom:14px;color:#fff}
.fw-ftr-tag{font-size:15px;color:#a3a3a3;max-width:640px;margin:0 auto 22px;line-height:1.6}
.fw-ftr-cta{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.fw-ftr-cta a{display:inline-block;padding:10px 20px;border-radius:6px;font-size:14px;font-weight:700;text-decoration:none;transition:transform .1s}
.fw-ftr-cta a:hover{transform:translateY(-1px)}
.fw-ftr-btn-primary{background:var(--brand);color:#fff!important}
.fw-ftr-btn-primary:hover{background:var(--brand-dark);color:#fff}
.fw-ftr-btn-ghost{background:transparent;color:#fff!important;border:1px solid #404040}
.fw-ftr-btn-ghost:hover{border-color:#fff}
.fw-ftr-cols{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;padding-bottom:40px;border-bottom:1px solid #262626}
.fw-ftr-col h4{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px;color:#fff}
.fw-ftr-col a{display:block;font-size:14px;color:#a3a3a3;padding:5px 0;text-decoration:none}
.fw-ftr-col a:hover{color:#fff}
.fw-ftr-col a.active{color:var(--brand)}
.fw-ftr-bottom{max-width:880px;margin:28px auto 0;text-align:center;font-size:12px;color:#737373;line-height:1.7}
.fw-ftr-bottom p{margin:4px 0}
.fw-ftr-copy{color:#a3a3a3!important;margin-top:10px!important;font-size:13px!important}

/* Mobile */
@media (max-width:1100px){
  .fw-wrap{grid-template-columns:1fr 320px}
  .fw-post-wrap{grid-template-columns:1fr 320px}
  .fw-post-wrap.no-right{grid-template-columns:1fr}
  .fw-side-left{display:none}
}
@media (max-width:720px){
  .fw-wrap{grid-template-columns:1fr;padding:12px}
  .fw-side-right{display:none}
  .fw-search{display:none}
  .fw-hdr-right .fw-btn-outline{display:none}
  .fw-mob-btn{display:inline-flex}
  .fw-post{padding:20px}
  .fw-post h1{font-size:22px}
  .fw-body{font-size:15px}
  .fw-dl{padding:20px}
  .fw-dl-grid{grid-template-columns:1fr}
  .fw-ftr-cols{grid-template-columns:1fr 1fr}
  .fw-ftr-title{font-size:30px}
  .fw-ftr-inner{padding:40px 16px 24px}
}
@media (max-width:1100px){
  .fw-ftr-cols{grid-template-columns:repeat(3,1fr)}
}

/* Mobile side-nav */
.fw-mob-nav{position:fixed;left:0;top:0;bottom:0;width:280px;background:#fff;z-index:110;transform:translateX(-100%);transition:transform .2s;padding:16px;overflow-y:auto}
.fw-mob-nav.open{transform:translateX(0)}
.fw-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:100;opacity:0;pointer-events:none;transition:opacity .2s}
.fw-overlay.open{opacity:1;pointer-events:auto}