:root{--bg:#0b0e14;--bg-soft:#12161f;--panel:#171c28;--panel-2:#1e2434;--border:rgba(255,255,255,0.08);--text:#e8eaf0;--text-2:#9aa3b5;--text-3:#6b7280;--accent:#7c6cff;--accent-2:#4cc9f0;--grad:linear-gradient(135deg,#7c6cff,#4cc9f0);--ok:#34d399;--warn:#fbbf24;--danger:#f87171;--radius:14px;--radius-s:9px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6}a{color:inherit;text-decoration:none}button{cursor:pointer}button,input,select,textarea{font-family:inherit}.container{max-width:1120px;margin:0 auto;padding:0 20px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:rgba(11,14,20,.82);border-bottom:1px solid var(--border)}.nav-inner{display:flex;align-items:center;gap:22px;height:62px}.nav-logo{font-size:20px;font-weight:800;letter-spacing:.4px}.nav-logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}.nav-links{display:flex;gap:6px;flex:1 1}.nav-link{padding:7px 13px;border-radius:999px;color:var(--text-2);font-size:14.5px;white-space:nowrap}.nav-link.active,.nav-link:hover{color:var(--text);background:var(--panel-2)}.nav-right{display:flex;align-items:center;gap:10px}.lang-switch{display:flex;border:1px solid var(--border);border-radius:999px;overflow:hidden}.lang-switch button{background:transparent;color:var(--text-3);border:none;padding:5px 11px;font-size:13px}.lang-switch button.on{background:var(--panel-2);color:var(--text)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border);background:var(--panel);color:var(--text);padding:9px 18px;border-radius:999px;font-size:14.5px;transition:all 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40px}.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px}.section-head h2{font-size:21px;font-weight:700}.section-head .sub{color:var(--text-3);font-size:13.5px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));grid-gap:18px;gap:18px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,border-color .18s}.card:hover{transform:translateY(-3px);border-color:rgba(124,108,255,.45)}.card-cover{height:130px;background:var(--grad);opacity:.85;display:flex;align-items:center;justify-content:center;font-size:38px}.card-body{padding:15px 17px 17px;display:flex;flex-direction:column;gap:8px;flex:1 1}.card-title{font-size:16.5px;font-weight:700;line-height:1.4}.card-desc{color:var(--text-2);font-size:13.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-meta{display:flex;gap:10px;align-items:center;color:var(--text-3);font-size:12.5px;flex-wrap:wrap;margin-top:auto}.tag{background:var(--panel-2);color:var(--text-2);border-radius:999px;padding:2px 9px;font-size:12px}.card .btn{margin-top:8px}.form{max-width:460px;margin:0 auto;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:14px}.form-wide{max-width:760px}.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:6px}.field input,.field select,.field textarea{width:100%;background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-s);padding:10px 13px;color:var(--text);font-size:14.5px;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent)}.field textarea{min-height:90px;resize:vertical}.field .hint{font-size:12px;color:var(--text-3);margin-top:4px}.error-box{background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.35);color:var(--danger);border-radius:var(--radius-s)}.error-box,.ok-box{padding:10px 13px;font-size:13.5px}.ok-box{background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.35);color:var(--ok);border-radius:var(--radius-s)}.detail-head{display:flex;gap:26px;padding:44px 0 26px;flex-wrap:wrap}.detail-cover{width:210px;height:210px;border-radius:var(--radius);background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:80px;flex-shrink:0}.detail-info{flex:1 1;min-width:260px;display:flex;flex-direction:column;gap:12px}.detail-info 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.sub{color:var(--text-3);font-size:12.5px;margin-top:3px}.chat-box{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px;min-height:420px;max-height:60vh;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.msg{max-width:78%;padding:11px 15px;border-radius:16px;font-size:14.5px;line-height:1.65;white-space:pre-wrap;word-break:break-word}.msg.user{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:5px}.msg.ai{align-self:flex-start;background:var(--panel-2);border-bottom-left-radius:5px}.msg.sys{align-self:center;background:transparent;color:var(--text-3);font-size:12.5px}.msg .sourcing{color:var(--text-3);font-size:12px;margin-top:6px}.typing{align-self:flex-start;color:var(--text-3);font-size:13.5px;padding:8px 4px}.chat-input{position:fixed;left:0;right:0;bottom:0;background:rgba(11,14,20,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--border);padding:14px 0;z-index:40}.chat-input .inner{max-width:860px;margin:0 auto;padding:0 20px;display:flex;gap:10px;align-items:flex-end}.chat-input textarea{flex:1 1;background:var(--bg-soft);border:1px solid var(--border);border-radius:14px;padding:11px 15px;color:var(--text);font-size:14.5px;resize:none;outline:none;max-height:120px}.chat-input textarea:focus{border-color:var(--accent)}.chat-input .quota{color:var(--text-3);font-size:12.5px;padding:0 8px 4px}.stat-row{display:flex;gap:14px;flex-wrap:wrap}.stat{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;flex:1 1;min-width:120px}.stat b{font-size:22px;display:block}.stat span{color:var(--text-3);font-size:12.5px}table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}.tbl td,.tbl th{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border)}.tbl th{color:var(--text-3);font-weight:500}.mono,.tbl th{font-size:12.5px}.mono{font-family:ui-monospace,SF 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