:root{--blue:#1d4ed8;--blue-dark:#173eab;--orange:#ff7a00;--ink:#1a2233;--mut:#5b6577;--bg:#f6f7f9;--card:#fff;--line:#e3e7ee;--radius:14px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,pingfang sc,microsoft yahei,noto sans sc,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.header-in{display:flex;align-items:center;gap:28px;height:58px}.logo{font-size:22px;font-weight:800;color:var(--ink)}.logo span{color:var(--orange)}.logo:hover{text-decoration:none}.main-nav{display:flex;gap:20px;flex-wrap:wrap}.main-nav a{color:var(--ink);font-size:15px}.hero{background:linear-gradient(180deg,#eaf0fe,#f6f7f9);text-align:center;padding:56px 0 30px}.hero h1{font-size:44px;margin:0 0 6px}.hero-slogan{font-size:22px;color:var(--blue);font-weight:700;margin:0}.hero-sub{color:var(--mut);margin:8px 0 22px}.search-box{max-width:620px;margin:0 auto}.search-box input{width:100%;padding:14px 18px;font-size:16px;border:2px solid var(--blue);border-radius:999px;outline:none;background:#fff}.search-box.small{margin:14px 0 0}.search-empty{color:var(--mut)}.block{padding:26px 20px}.block-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:14px}.block-head h2{font-size:22px;margin:0}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:8px}.card-top{display:flex;align-items:center;gap:10px}.card-icon{border-radius:8px}.card-letter{width:32px;height:32px;border-radius:8px;background:var(--blue);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex:none}.card-letter.big{width:48px;height:48px;font-size:24px;border-radius:12px}.card-title{font-size:17px;margin:0;flex:1}.card-title a{color:var(--ink)}.card-desc{color:var(--mut);font-size:14px;margin:0;flex:1}.card-meta{display:flex;gap:6px;flex-wrap:wrap}.tag{font-size:12px;background:#eef1f6;color:var(--mut);border-radius:999px;padding:2px 9px}.tag-vpn{background:#fff1e3;color:#b25e00}.badge{font-size:12px;border-radius:999px;padding:2px 9px;flex:none}.badge-own{background:#e8effe;color:var(--blue);font-weight:600}.badge-aff{background:#fff1e3;color:#b25e00}.card-actions{display:flex;gap:8px;margin-top:4px}.btn{display:inline-block;border-radius:9px;padding:7px 14px;font-size:14px;border:1px solid var(--line);color:var(--ink);background:#fff}.btn:hover{text-decoration:none;border-color:var(--blue)}.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}.btn-primary:hover{background:var(--blue-dark)}.btn-lg{padding:11px 22px;font-size:16px;margin:14px 0}.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}.cat-tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:2px;color:var(--ink)}.cat-tile:hover{text-decoration:none;border-color:var(--blue)}.cat-name{font-size:17px;font-weight:700}.cat-count{color:var(--orange);font-size:13px;font-weight:600}.cat-desc{color:var(--mut);font-size:13px}.page-head{padding:34px 20px 6px}.page-head h1{margin:0 0 6px;font-size:32px}.page-desc{color:var(--mut);max-width:760px}.prose{max-width:820px;color:#2a3245}.prose h2{font-size:20px;margin-top:28px}.detail{padding-top:26px;padding-bottom:20px}.crumb{color:var(--mut);font-size:14px}.detail-head{display:flex;gap:14px;align-items:flex-start}.detail-head h1{margin:0;font-size:30px}.detail-desc{color:var(--mut);margin:4px 0 0}.detail-meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--mut);font-size:14px;margin-top:12px;word-break:break-all}.related{margin-top:36px}.empty-note{color:var(--mut)}.site-footer{background:#10182b;color:#c6cede;margin-top:44px;padding:36px 0 22px}.site-footer a{color:#c6cede;display:block;font-size:14px;margin:4px 0}.footer-cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}.footer-logo{font-size:19px;font-weight:800;color:#fff;margin:0 0 6px}.footer-h{color:#fff;font-weight:700;margin:0 0 8px}.copyright{color:#7f8aa3;font-size:13px;margin-top:26px}@media(max-width:720px){.hero h1{font-size:34px}.footer-cols{grid-template-columns:1fr 1fr}.header-in{height:auto;padding-top:10px;padding-bottom:10px;flex-direction:column;align-items:flex-start;gap:8px}}