:root{--red: #b71c1c;--red-dark: #7f1414;--ink: #1b2432;--muted: #5c6675;--bg: #f6f7f9;--card: #ffffff;--line: #e4e7ed;--gold: #b98a1d;--radius: 12px;--maxw: 1080px;--font: "Noto Sans TC", "PingFang HK", "Microsoft JhengHei", "Heiti TC", system-ui, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.75}img{max-width:100%;height:auto;display:block}a{color:var(--red);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}.site-header{background:var(--card);border-bottom:3px solid var(--red);position:sticky;top:0;z-index:50}.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:var(--maxw);margin:0 auto;padding:10px 20px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}.brand:hover{text-decoration:none}.brand-mark{width:42px;height:42px;border-radius:10px;flex:none;background:linear-gradient(135deg,var(--red),var(--red-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;letter-spacing:1px}.brand-text{line-height:1.3}.brand-text strong{display:block;font-size:17px}.brand-text small{color:var(--muted);font-size:12px;letter-spacing:2px}.nav{display:flex;align-items:center;gap:4px}.nav a{color:var(--ink);padding:8px 12px;border-radius:8px;font-size:15px;white-space:nowrap}.nav a:hover{background:var(--bg);text-decoration:none}.nav a.active{color:var(--red);font-weight:700}.nav .btn-login{border:1px solid var(--line)}.nav-user{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}.nav-user button{border:1px solid var(--line);background:var(--card);border-radius:8px;padding:6px 10px;cursor:pointer;font-family:inherit;font-size:14px}.nav-toggle{display:none;border:1px solid var(--line);background:var(--card);border-radius:8px;padding:8px 12px;font-size:16px;cursor:pointer;font-family:inherit}.hero{background:linear-gradient(120deg,#2b0d0d 0%,var(--red-dark) 55%,#3d3d3d 100%);color:#fff;padding:56px 0 48px}.hero h1{margin:0 0 10px;font-size:30px;letter-spacing:2px}.hero p{margin:0;color:#f3d9d9;max-width:640px}.hero .slogan{margin-top:14px;font-size:14px;letter-spacing:4px;color:#ffd9a8}.section{padding:36px 0}.section-title{font-size:21px;margin:0 0 6px;padding-left:12px;border-left:5px solid var(--red)}.section-sub{color:var(--muted);font-size:14px;margin:0 0 18px 17px}.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}.card-body{padding:16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}.card-body h3{margin:0;font-size:17px;line-height:1.5}.card-body h3 a{color:var(--ink)}.card-body h3 a:hover{color:var(--red)}.meta{font-size:13px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap}.tag{display:inline-block;font-size:12px;padding:2px 10px;border-radius:20px;background:#fbe9e9;color:var(--red);border:1px solid #f0c9c9;width:fit-content}.tag.lock{background:#eef1f6;color:var(--muted);border-color:var(--line)}.summary{font-size:14px;color:var(--muted);margin:0}.article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px}.article h1{margin:0 0 10px;font-size:24px;line-height:1.5}.article .meta{margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}.article img.cover{border-radius:8px;margin-bottom:18px}.prose{font-size:16px}.prose h2{font-size:20px;margin-top:28px}.prose ul,.prose ol{padding-left:24px}.prose table{border-collapse:collapse;width:100%;font-size:14px}.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left}.prose th{background:var(--bg)}.auth-gate .gate-locked{background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);padding:36px 24px;text-align:center;color:var(--muted)}.gate-locked .lock-icon{width:46px;height:46px;margin:0 auto 12px;border-radius:50%;background:#eef1f6;display:flex;align-items:center;justify-content:center}.gate-locked p{margin:6px 0 16px}.btn{display:inline-block;background:var(--red);color:#fff;border:none;padding:10px 26px;border-radius:8px;font-size:15px;cursor:pointer;font-family:inherit}.btn:hover{background:var(--red-dark);text-decoration:none;color:#fff}.btn-ghost{background:var(--card);color:var(--ink);border:1px solid var(--line)}.demo-note{background:#fff8e1;border:1px solid #f0dfa8;color:#7a5c00;border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:16px}.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;max-width:480px;margin:0 auto}.form-card h1{margin:0 0 6px;font-size:22px}.form-card label{display:block;font-size:14px;margin:14px 0 6px}.form-card input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit}.form-card .btn{width:100%;margin-top:18px}.form-msg{font-size:14px;margin-top:12px;min-height:22px}.form-msg.error{color:var(--red)}.form-msg.ok{color:#1e7b34}.form-alt{text-align:center;font-size:14px;color:var(--muted);margin-top:14px}.search-box{display:flex;gap:8px;margin-bottom:18px}.search-box input{flex:1;padding:10px 14px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit}.layout-2col{display:grid;grid-template-columns:1fr 260px;gap:24px;align-items:start}.sidebar{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.sidebar h3{margin:0 0 10px;font-size:16px}.sidebar ul{list-style:none;margin:0;padding:0}.sidebar li{margin:6px 0;font-size:14px}.sidebar a{color:var(--ink)}.sidebar a:hover{color:var(--red)}.site-footer{background:#232a36;color:#aeb6c2;margin-top:48px;padding:32px 0;font-size:13px}.site-footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.site-footer strong{color:#fff}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.gallery figure{margin:0;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden}.gallery figcaption{padding:10px 12px;font-size:13px;color:var(--muted)}@media(max-width:860px){.grid-3,.layout-2col{grid-template-columns:1fr}.gallery{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:24px}}@media(max-width:720px){.nav-toggle{display:block}.nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--card);flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line);padding:8px 16px 16px}.nav.open{display:flex}.site-header{position:sticky}.header-inner{position:relative;flex-wrap:wrap}.article{padding:20px 16px}}