:root{--bg:#f2f5f9;--card:#fff;--soft:#f7f9fc;--line:#e5eaf1;--border:#d7dee8;--text:#172033;--muted:#667085;--brand:#2563eb;--brand-dark:#1d4ed8;--violet:#7c3aed;--warning:#b45309;--shadow:0 12px 36px rgba(15,23,42,.08)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}
a{color:var(--brand)}
button,input{font:inherit}
.query-page{min-height:100vh;background:radial-gradient(circle at 50% 0,#e8f1ff 0,transparent 36%),var(--bg)}
.query-wrap{max-width:760px;margin:0 auto;padding:58px 16px 72px}
.query-wrap>h1{text-align:center;margin:0 0 4px;font-size:28px;letter-spacing:-.02em}
.query-subtitle{text-align:center;color:#8a97aa;font-size:14px;margin:0 0 26px}
.query-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.query-card label{display:block;font-size:13px;color:#475467;margin-bottom:8px;font-weight:700}
.query-card input{width:100%;border:1px solid var(--border);border-radius:11px;padding:13px 14px;outline:none;color:var(--text);background:#fff;transition:.15s}
.query-card input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.query-button{width:100%;border:0;border-radius:11px;background:var(--brand);color:#fff;padding:13px;margin-top:14px;font-weight:700;cursor:pointer}
.query-button:hover{background:var(--brand-dark)}
.guide-links{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.guide-link{display:grid;grid-template-columns:40px 1fr auto;gap:11px;align-items:center;min-width:0;padding:14px;border:1px solid var(--line);border-radius:13px;background:var(--soft);color:var(--text);text-decoration:none;transition:.16s}
.guide-link:hover{transform:translateY(-2px);border-color:#b9cdf9;box-shadow:0 8px 22px rgba(37,99,235,.11)}
.guide-link-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;color:#fff;font-weight:800;background:linear-gradient(135deg,#2563eb,#60a5fa)}
.guide-link.kimi .guide-link-icon{background:linear-gradient(135deg,#7c3aed,#c084fc)}
.guide-link strong,.guide-link small{display:block}.guide-link strong{font-size:14px}.guide-link small{font-size:11px;color:var(--muted);line-height:1.45;margin-top:2px}.guide-arrow{color:#98a2b3;font-size:18px}
.preview-message{min-height:20px;text-align:center;color:var(--warning);font-size:13px;margin:12px 0 0}
.preview-note{text-align:center;color:#98a2b3;font-size:12px;margin-top:16px}
.guide-page{background:#f4f6fa}
.guide-topbar{height:64px;display:flex;align-items:center;padding:0 max(24px,calc((100vw - 1320px)/2));background:rgba(255,255,255,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(12px);position:sticky;top:0;z-index:20}
.back-link{text-decoration:none;color:#475467;font-weight:700;font-size:14px}.back-link:hover{color:var(--brand)}
.guide-layout{max-width:1320px;margin:0 auto;display:grid;grid-template-columns:250px minmax(0,1fr);gap:28px;padding:32px 24px 80px}
.guide-sidebar{align-self:start;position:sticky;top:88px;max-height:calc(100vh - 112px);overflow:auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 8px 30px rgba(15,23,42,.04)}
.sidebar-title{font-weight:800;margin-bottom:10px}.guide-sidebar nav{display:grid;gap:2px}.guide-sidebar a{padding:7px 9px;border-radius:8px;color:#667085;text-decoration:none;font-size:13px;line-height:1.4}.guide-sidebar a:hover{background:#eff5ff;color:var(--brand)}
.guide-column{min-width:0}.guide-hero{padding:34px;border-radius:20px;background:linear-gradient(135deg,#172554,#1e40af 58%,#4338ca);color:#fff;box-shadow:0 18px 48px rgba(30,64,175,.22)}
.tier-badge{display:inline-block;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.12);padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700}
.guide-hero h1{font-size:34px;line-height:1.25;margin:16px 0 8px}.guide-hero>p{color:#dbeafe;margin:0;max-width:720px}
.hero-actions{display:flex;gap:10px;margin-top:18px}.backup-doc-link{display:inline-flex;align-items:center;justify-content:center;padding:9px 15px;border:1px solid rgba(255,255,255,.35);border-radius:10px;background:#fff;color:#1e3a8a;text-decoration:none;font-size:13px;font-weight:800;box-shadow:0 6px 18px rgba(15,23,42,.12)}.backup-doc-link:hover{background:#eff6ff}
.model-panel{margin-top:24px;padding:18px;border:1px solid rgba(255,255,255,.18);border-radius:14px;background:rgba(255,255,255,.09)}
.model-panel-title{font-size:13px;font-weight:800;margin-bottom:10px}.model-list{display:flex;gap:8px;flex-wrap:wrap}.model-chip{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;background:#fff;color:#1e3a8a;padding:6px 10px;border-radius:8px;font-weight:700}
.mobile-toc{display:none}.guide-main{display:grid;gap:18px;margin-top:22px}.guide-section{scroll-margin-top:86px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 8px 28px rgba(15,23,42,.045);overflow:hidden}.guide-section h2{font-size:23px;line-height:1.35;margin:0 0 18px;padding-bottom:12px;border-bottom:1px solid var(--line)}.guide-section h3{font-size:17px;margin:25px 0 10px}.guide-section p{margin:10px 0;color:#344054}.guide-section a{overflow-wrap:anywhere}
.callout{margin:14px 0;padding:13px 15px;border-radius:11px;border-left:4px solid}.callout.info{background:#eff6ff;border-color:#3b82f6;color:#1e3a8a}.callout.warning{background:#fff7ed;border-color:#f59e0b;color:#92400e}.example-label{font-weight:800;color:#b42318!important}
.code-block{margin:14px 0;border:1px solid #273449;border-radius:12px;overflow:hidden;background:#111827}.code-toolbar{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:#1f2937;color:#cbd5e1;font-size:12px}.code-toolbar button{border:1px solid #475569;border-radius:7px;background:#334155;color:#fff;padding:4px 9px;cursor:pointer}.code-toolbar button:hover{background:#475569}.code-block pre{margin:0;padding:15px;overflow:auto;color:#e5e7eb;font:13px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere}.code-block code{font:inherit}
.guide-figure{margin:18px 0;text-align:center}.guide-image{display:block;max-width:100%;height:auto;margin:0 auto;border-radius:12px;border:1px solid var(--line);box-shadow:0 8px 24px rgba(15,23,42,.08);cursor:zoom-in;background:#fff}.guide-figure figcaption{font-size:12px;color:#98a2b3;margin-top:7px}
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(8,15,28,.92);display:grid;place-items:center;padding:52px 24px 24px}.lightbox[hidden]{display:none}.lightbox img{max-width:96vw;max-height:90vh;object-fit:contain}.lightbox-close{position:absolute;right:22px;top:14px;color:#fff;background:transparent;border:0;font-size:38px;cursor:pointer}
@media(max-width:800px){.query-wrap{padding-top:36px}.query-card{padding:18px}.guide-links{grid-template-columns:1fr}.guide-layout{display:block;padding:18px 12px 56px}.guide-sidebar{display:none}.guide-topbar{height:56px;padding:0 16px}.guide-hero{padding:24px 20px;border-radius:16px}.guide-hero h1{font-size:28px}.mobile-toc{display:block;margin-top:16px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:11px 14px}.mobile-toc summary{font-weight:800;cursor:pointer}.mobile-toc nav{display:grid;gap:4px;margin-top:10px}.mobile-toc a{color:#475467;text-decoration:none;padding:5px 0}.guide-main{margin-top:16px;gap:14px}.guide-section{padding:21px 17px;border-radius:15px}.guide-section h2{font-size:20px}.guide-section h3{font-size:16px}.code-block pre{font-size:12px;white-space:pre;overflow-x:auto}.model-chip{font-size:11px}.guide-figure{margin:14px 0}}
.guide-main>.guide-section{content-visibility:auto;contain-intrinsic-size:auto 700px}