:root{--bg:#f6f8fb;--surface:#fff;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;--primary:#2563eb;--accent:#06b6d4;--success:#15803d;--warning:#b45309;--code-bg:#0f172a;--code-text:#e2e8f0;--focus:#2563eb}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.7}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
header{background:#0b1220;color:#f8fafc}
.topbar{max-width:1120px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brand{font-size:18px;font-weight:800}
.brand span{color:#38bdf8}
.topnav{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.topnav a{min-height:44px;color:#cbd5e1;font-size:14px;padding:7px 14px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center}
.topnav a:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none}
.topnav a[aria-current="page"]{background:rgba(255,255,255,.08);color:#fff}
.topnav a.qq{background:linear-gradient(135deg,#06b6d4,#3b82f6);color:#fff;font-weight:700}
.wrap{max-width:1120px;margin:0 auto;padding:32px 24px 64px}
.hero{max-width:760px;margin:0 auto;text-align:center;padding:38px 0 12px}
.hero-kicker{display:inline-flex;align-items:center;min-height:32px;padding:3px 12px!important;border:1px solid #bae6fd;border-radius:999px;background:#ecfeff;color:#0e7490!important;font-size:13px;font-weight:800}
.hero h1{font-size:36px;line-height:1.2;letter-spacing:0;text-wrap:balance;margin:14px 0 10px}
.hero p{color:var(--muted);margin:0;text-wrap:pretty}
.tool-section{margin-top:38px}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:16px}
.section-heading h2{margin:0;font-size:22px;line-height:1.3;text-wrap:balance}
.section-heading p{margin:4px 0 0;color:var(--muted);font-size:14px}
.section-count{flex:0 0 auto;color:#475569;font-size:13px;font-weight:700}
.featured-grid,.compact-grid,.supporting-links{list-style:none;padding:0;margin:0;display:grid}
.featured-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.featured-grid>li,.compact-grid>li,.supporting-links>li{min-width:0}
.featured-tool{--tone:#2563eb;--tone-soft:#eff6ff;min-height:190px;height:100%;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 4px 8px rgba(15,23,42,.05);color:var(--text);display:grid;grid-template-columns:48px minmax(0,1fr);grid-template-rows:1fr auto;gap:14px;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.featured-tool:hover{border-color:var(--tone);box-shadow:0 5px 8px rgba(37,99,235,.09);transform:translateY(-2px);text-decoration:none}
.featured-tool:active{transform:translateY(0)}
.tool-mark{width:44px;height:44px;border-radius:11px;background:var(--tone-soft);color:var(--tone);display:grid;place-items:center;font-size:13px;font-weight:900;line-height:1}
.tool-copy{min-width:0;display:flex;flex-direction:column;align-items:flex-start}
.tool-kind{color:var(--tone);font-size:12px;font-weight:800}
.tool-copy strong{margin-top:2px;font-size:19px;line-height:1.35;overflow-wrap:anywhere}
.tool-description{margin-top:8px;color:var(--muted);font-size:13px;line-height:1.55;text-wrap:pretty}
.tool-action{grid-column:2;color:var(--tone);font-size:13px;font-weight:800}
.compact-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.compact-tool{--tone:#2563eb;--tone-soft:#eff6ff;min-height:82px;height:100%;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--text);display:grid;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:10px;transition:border-color .18s ease,background-color .18s ease,transform .18s ease}
.compact-tool:hover{border-color:var(--tone);background:var(--tone-soft);transform:translateY(-1px);text-decoration:none}
.compact-tool:active{transform:translateY(0)}
.compact-tool .tool-mark{width:40px;height:40px;border-radius:10px}
.compact-copy{min-width:0;display:flex;flex-direction:column}
.compact-copy strong{font-size:14px;line-height:1.35;overflow-wrap:anywhere}
.compact-copy span{margin-top:3px;color:#64748b;font-size:12px;line-height:1.35;overflow-wrap:anywhere}
.compact-arrow{color:var(--tone);font-weight:900}
.tone-blue{--tone:#2563eb;--tone-soft:#eff6ff}
.tone-cyan{--tone:#0e7490;--tone-soft:#ecfeff}
.tone-green{--tone:#15803d;--tone-soft:#f0fdf4}
.tone-purple{--tone:#7e22ce;--tone-soft:#faf5ff}
.tone-rose{--tone:#be123c;--tone-soft:#fff1f2}
.tone-orange{--tone:#b45309;--tone-soft:#fff7ed}
.supporting-section{margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}
.supporting-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.supporting-links a{min-height:76px;padding:14px 16px;background:#f8fafc;border:1px solid var(--line);border-radius:12px;color:var(--text);display:flex;align-items:center;justify-content:space-between;gap:14px;transition:border-color .18s ease,background-color .18s ease}
.supporting-links a:hover{border-color:#93c5fd;background:#eff6ff;text-decoration:none}
.supporting-links a>span:first-child{min-width:0;display:flex;flex-direction:column}
.supporting-links strong{font-size:14px}
.supporting-links small{margin-top:3px;color:var(--muted);font-size:12px;line-height:1.4}
.supporting-links a>span:last-child{color:var(--primary);font-weight:900}
.join{margin-top:40px;text-align:center}
.join-link{min-height:44px;padding:9px 20px;border:1px solid #67e8f9;border-radius:999px;background:#ecfeff;color:#0e7490;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800}
.join-link:hover{border-color:#0891b2;background:#cffafe;text-decoration:none}
.join p{color:var(--muted);font-size:13px;margin:8px 0 0}
.layout{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:230px minmax(0,1fr);gap:28px;align-items:start;padding:28px 24px 64px}
.side{position:sticky;top:16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px}
.side .cat{font-size:13px;color:var(--muted);font-weight:700;margin:0 0 8px;padding:0 8px}
.side a{display:block;font-size:14px;color:#334155;padding:7px 10px;border-radius:8px}
.side a:hover{background:#eef2ff;text-decoration:none}
.side a.on{background:linear-gradient(135deg,rgba(6,182,212,.12),rgba(59,130,246,.12));color:var(--primary);font-weight:700}
.side .back{margin-top:10px;border-top:1px solid var(--line);padding-top:10px;color:var(--muted);font-size:13px}
main.doc{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:34px 38px;min-width:0}
main.doc h1{font-size:26px;margin-top:0}
main.doc h2{font-size:21px;margin-top:2em;padding-bottom:.3em;border-bottom:1px solid var(--line)}
main.doc h3{font-size:17px;margin-top:1.6em}
main.doc pre{background:var(--code-bg);color:var(--code-text);padding:16px 18px;border-radius:10px;overflow-x:auto;font-size:13.5px;line-height:1.6}
main.doc code{font-family:ui-monospace,SFMono-Regular,Consolas,"Cascadia Mono",monospace}
main.doc :not(pre)>code{background:#eef2f7;color:#0f766e;padding:2px 6px;border-radius:6px;font-size:.9em;overflow-wrap:anywhere;word-break:break-word}
main.doc blockquote{margin:1em 0;padding:12px 16px;border:1px solid #a5f3fc;background:#ecfeff;border-radius:10px;color:#155e75}
main.doc blockquote p{margin:.3em 0}
main.doc table{border-collapse:collapse;width:100%;font-size:14px;display:block;overflow-x:auto}
main.doc th,main.doc td{border:1px solid var(--line);padding:8px 12px;text-align:left}
main.doc th{background:#f1f5f9}
main.doc hr{border:none;border-top:1px solid var(--line);margin:2em 0}
.client-meta{display:flex;flex-wrap:wrap;gap:8px;margin:-4px 0 20px;color:var(--muted);font-size:13px}
.client-meta span{border:1px solid var(--line);border-radius:999px;padding:4px 10px;background:#f8fafc}
.steps{list-style:none;counter-reset:step;margin:1.2em 0;padding:0}
.steps>li{counter-increment:step;position:relative;margin:0 0 14px;padding:14px 16px 14px 52px;border:1px solid var(--line);border-radius:10px;background:#f8fafc}
.steps>li::before{content:counter(step);position:absolute;left:14px;top:14px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--primary));color:#fff;font-size:13px;font-weight:800}
.steps>li>p:first-child{margin-top:0}
.steps>li>p:last-child{margin-bottom:0}
.config-table th:first-child{white-space:nowrap}
.callout{margin:1em 0;padding:14px 16px;border:1px solid #bae6fd;border-radius:10px;background:#f0f9ff;color:#0c4a6e}
.callout.warning{border-color:#fed7aa;background:#fff7ed;color:#7c2d12}
.callout.success{border-color:#bbf7d0;background:#f0fdf4;color:#14532d}
.callout p{margin:.35em 0}
.checklist{list-style:none;padding:0}
.checklist li{position:relative;padding-left:28px;margin:.55em 0}
.checklist li::before{content:"✓";position:absolute;left:2px;color:var(--success);font-weight:900}
details.advanced{margin:1.25em 0;border:1px solid var(--line);border-radius:10px;background:#f8fafc}
details.advanced summary{cursor:pointer;padding:14px 16px;font-weight:800;color:#1e3a8a}
details.advanced[open] summary{border-bottom:1px solid var(--line)}
details.advanced .details-body{padding:4px 16px 16px}
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:34px;font-size:14px}
footer{color:var(--muted);text-align:center;font-size:13px;padding:0 24px 40px}
.list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}
.list a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 20px}
.list a:hover{border-color:var(--primary);text-decoration:none}
.list .t{font-weight:700}
.list .d{color:var(--muted);font-size:13px;margin-top:2px}
@media (max-width:860px){
  .layout{grid-template-columns:1fr}
  .side{position:static}
  .featured-grid,.compact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .topbar,.wrap,.layout{padding-left:16px;padding-right:16px}
  .topbar{gap:10px}
  .brand{width:100%}
  .topnav{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px}
  .topnav a{min-width:0;padding:7px 4px;text-align:center;white-space:nowrap}
  .topnav a.qq{grid-column:auto}
  .hero{padding-top:22px}
  .hero h1{font-size:28px}
  .section-heading{align-items:flex-start}
  .featured-grid,.compact-grid,.supporting-links{grid-template-columns:1fr}
  .featured-tool{min-height:174px}
  main.doc{padding:24px 18px}
  main.doc h1{font-size:23px}
  .steps>li{padding-left:48px}
  .client-meta{align-items:flex-start;flex-direction:column}
  .pager{flex-direction:column}
  .pager span:last-child{text-align:right}
}
@media (prefers-reduced-motion:reduce){
  .featured-tool,.compact-tool,.supporting-links a{transition:none}
  .featured-tool:hover,.compact-tool:hover{transform:none}
}

/* Codex + CC Switch interactive guide */
.guide-layout{max-width:1240px;grid-template-columns:220px minmax(0,1fr)}
.guide-page{padding:0;overflow:clip}
.guide-page>section:not(.guide-hero),.guide-page>.guide-progress,.guide-page>.guide-final-cta,.guide-page>.pager{margin-right:clamp(20px,4vw,46px);margin-left:clamp(20px,4vw,46px)}
.guide-hero{position:relative;overflow:hidden;min-height:430px;padding:clamp(34px,6vw,68px);border-radius:14px 14px 0 0;background:#0b1220;color:#f8fafc;display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.75fr);align-items:center;gap:42px}
.guide-hero::after{position:absolute;right:-80px;bottom:-160px;width:380px;height:380px;border-radius:50%;background:rgba(6,182,212,.13);filter:blur(2px);content:"";pointer-events:none}
.guide-hero-copy{position:relative;z-index:1}
.guide-badges{display:flex;flex-wrap:wrap;gap:8px}
.guide-badges span{padding:4px 10px;border:1px solid rgba(148,163,184,.28);border-radius:999px;background:rgba(15,23,42,.72);color:#bae6fd;font-size:12px;font-weight:750}
.guide-page .guide-hero h1{max-width:640px;margin:20px 0 14px;color:#fff;font-size:clamp(40px,6vw,68px);line-height:1.02;letter-spacing:-.035em;text-wrap:balance}
.guide-hero-copy>p{max-width:60ch;margin:0;color:#cbd5e1;font-size:16px;line-height:1.75;text-wrap:pretty}
.guide-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.guide-button{min-height:46px;padding:10px 16px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:10px;font-size:14px;font-weight:800}
.guide-button:hover{text-decoration:none}
.guide-button-primary{background:#22c55e;color:#052e16}
.guide-button-primary:hover{background:#4ade80}
.guide-button-secondary{border:1px solid rgba(148,163,184,.45);background:rgba(15,23,42,.7);color:#e2e8f0}
.guide-button-secondary:hover{border-color:#67e8f9;background:#172033;color:#fff}
.guide-route{position:relative;z-index:1;list-style:none;margin:0;padding:0;display:grid;gap:0}
.guide-route li{position:relative;min-height:64px;padding:15px 18px 15px 62px;border-top:1px solid rgba(148,163,184,.22);color:#cbd5e1;font-size:14px;font-weight:750}
.guide-route li:last-child{border-bottom:1px solid rgba(148,163,184,.22)}
.guide-route li::after{position:absolute;top:0;bottom:0;left:24px;width:1px;background:rgba(34,197,94,.36);content:""}
.guide-route li span{position:absolute;z-index:1;top:15px;left:9px;width:32px;height:32px;border:1px solid rgba(34,197,94,.6);border-radius:50%;background:#0b1220;color:#86efac;display:grid;place-items:center;font-size:12px}
.guide-progress{position:sticky;top:0;z-index:8;margin-top:0!important;padding:14px 0 12px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(12px)}
.guide-progress-copy{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12px}
.guide-progress-copy span{color:var(--muted)}
.guide-progress-copy strong{font-size:13px}
.guide-progress-track{height:3px;margin:8px 0 10px;overflow:hidden;border-radius:999px;background:#e2e8f0}
.guide-progress-track span{display:block;width:100%;height:100%;border-radius:inherit;background:#16a34a;transform:scaleX(.125);transform-origin:left center;transition:transform .35s cubic-bezier(.16,1,.3,1)}
.guide-progress ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:4px}
.guide-progress a{min-height:34px;border-radius:7px;color:#64748b;display:grid;place-items:center;font-size:11px;font-weight:750}
.guide-progress a:hover,.guide-progress a[aria-current="step"]{background:#f0fdf4;color:#166534;text-decoration:none}
.guide-step{scroll-margin-top:118px;padding:clamp(38px,6vw,68px) 0;border-bottom:1px solid var(--line)}
.guide-step-heading{display:flex;align-items:center;gap:16px;margin-bottom:18px;background:transparent;color:inherit}
.guide-step-number{width:42px;height:42px;flex:0 0 42px;border-radius:50%;background:#0f172a;color:#fff;display:grid;place-items:center;font-size:15px;font-weight:850}
.guide-step-heading p{margin:0 0 2px;color:#15803d;font-size:12px;font-weight:800}
.guide-page .guide-step h2{margin:0;padding:0;border:0;font-size:clamp(22px,3vw,30px);line-height:1.28;text-wrap:balance}
.guide-step>p{max-width:72ch;color:#475569;text-wrap:pretty}
.guide-download-box{margin:22px 0;padding:16px;border:1px solid #bbf7d0;border-radius:12px;background:#f0fdf4;display:grid;grid-template-columns:46px minmax(0,1fr) auto;align-items:center;gap:14px}
.guide-file-mark{width:44px;height:44px;border-radius:10px;background:#166534;color:#fff;display:grid;place-items:center;font-size:11px;font-weight:900}
.guide-download-box>div:nth-child(2){min-width:0;display:flex;flex-direction:column}
.guide-download-box strong{overflow-wrap:anywhere;font-size:14px}
.guide-download-box span{margin-top:2px;color:#166534;font-size:12px}
.guide-download-box>a{min-height:40px;padding:8px 12px;border-radius:8px;background:#166534;color:#fff;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800}
.guide-download-box>a:hover{background:#14532d;text-decoration:none}
.guide-download-box-official{border-color:#bae6fd;background:#f0f9ff}
.guide-download-box-official .guide-file-mark{background:#0e7490}
.guide-download-box-official span{color:#0e7490}
.guide-download-box-official>a{background:#0e7490}
.guide-download-box-official>a:hover{background:#155e75}
.guide-copy-row{display:flex;align-items:center;gap:10px}
.guide-copy-row code{min-width:0;flex:1;overflow-wrap:anywhere}
.guide-copy-row button,.guide-config-list button,.guide-prompt button{min-height:36px;padding:6px 11px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#334155;cursor:pointer;font:inherit;font-size:12px;font-weight:750}
.guide-copy-row button:hover,.guide-config-list button:hover,.guide-prompt button:hover{border-color:#15803d;background:#f0fdf4;color:#166534}
.guide-mini-steps{margin:22px 0;padding:0;list-style:none;display:grid;gap:10px;counter-reset:mini-step}
.guide-mini-steps li{counter-increment:mini-step;position:relative;padding:12px 14px 12px 48px;border-bottom:1px solid var(--line);color:#334155}
.guide-mini-steps li::before{position:absolute;top:11px;left:6px;width:28px;height:28px;border-radius:50%;background:#ecfeff;color:#0e7490;content:counter(mini-step);display:grid;place-items:center;font-size:12px;font-weight:850}
.guide-inline-action{min-height:42px;padding:8px 14px;border:1px solid #bae6fd;border-radius:9px;background:#ecfeff;color:#0e7490;display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:800}
.guide-inline-action:hover{border-color:#0891b2;text-decoration:none}
.guide-figure{margin:26px 0 0}
.guide-shot{position:relative;width:100%;padding:0;overflow:hidden;border:1px solid #cbd5e1;border-radius:12px;background:#f8fafc;cursor:zoom-in;display:block}
.guide-shot img{width:100%;height:auto;display:block;transition:transform .28s cubic-bezier(.16,1,.3,1)}
.guide-shot>span{position:absolute;right:12px;bottom:12px;padding:5px 9px;border-radius:7px;background:rgba(15,23,42,.88);color:#fff;font-size:11px;font-weight:800}
.guide-shot:hover img{transform:scale(1.012)}
.guide-figure figcaption{margin-top:8px;color:var(--muted);font-size:12px;text-align:center}
.guide-config-list{margin:22px 0;border-top:1px solid var(--line)}
.guide-config-list>div{min-height:56px;padding:10px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:138px minmax(0,1fr) auto;align-items:center;gap:12px}
.guide-config-list>div>span:first-child{color:#475569;font-size:13px;font-weight:750}
.guide-config-list code{min-width:0;overflow-wrap:anywhere}
.guide-config-list strong{font-size:14px}
.guide-state{padding:3px 8px;border-radius:999px;background:#f1f5f9;color:#64748b;font-size:10px;font-weight:900}
.guide-state.is-on{background:#f0fdf4;color:#166534}
.guide-prompt{margin:18px 0;padding:14px 16px;border:1px solid #cbd5e1;border-radius:10px;background:#f8fafc;display:flex;align-items:center;justify-content:space-between;gap:14px}
.guide-prompt code{background:transparent!important;color:#0f172a!important;padding:0!important;line-height:1.65}
.guide-prompt button{flex:0 0 auto}
.guide-success{margin:22px 0;padding:16px;border:1px solid #86efac;border-radius:12px;background:#f0fdf4;display:flex;align-items:flex-start;gap:14px}
.guide-success>span{width:32px;height:32px;flex:0 0 32px;border-radius:50%;background:#16a34a;color:#fff;display:grid;place-items:center;font-weight:900}
.guide-success strong{color:#14532d}
.guide-success p{margin:3px 0 0;color:#166534;font-size:13px}
.guide-troubleshooting{padding:clamp(38px,6vw,64px) 0}
.guide-section-heading h2{margin:0!important;padding:0!important;border:0!important}
.guide-section-heading p{margin:5px 0 0;color:var(--muted)}
.guide-trouble-list{margin-top:20px;border-top:1px solid var(--line)}
.guide-trouble-list details{border-bottom:1px solid var(--line)}
.guide-trouble-list summary{padding:15px 2px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;font-weight:750;list-style:none}
.guide-trouble-list summary::-webkit-details-marker{display:none}
.guide-trouble-list details[open] summary span:last-child{transform:rotate(45deg)}
.guide-trouble-list summary span:last-child{color:#15803d;font-size:20px;transition:transform .18s ease}
.guide-trouble-list details p{margin:0;padding:0 36px 16px 2px;color:#475569}
.guide-final-cta{margin-top:10px!important;margin-bottom:10px!important;padding:20px 22px;border-radius:12px;background:#0f172a;color:#f8fafc;display:flex;align-items:center;justify-content:space-between;gap:20px}
.guide-final-cta strong{font-size:17px}
.guide-final-cta p{margin:3px 0 0;color:#cbd5e1;font-size:13px}
.guide-final-cta a{min-height:40px;padding:8px 13px;border-radius:8px;background:#22c55e;color:#052e16;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:850}
.guide-final-cta a:hover{background:#4ade80;text-decoration:none}
.guide-lightbox{width:min(94vw,1400px);max-width:none;padding:50px 18px 18px;border:0;border-radius:14px;background:#0b1220;color:#fff}
.guide-lightbox::backdrop{background:rgba(2,6,23,.78)}
.guide-lightbox img{max-width:100%;max-height:78vh;margin:0 auto;display:block;object-fit:contain}
.guide-lightbox p{margin:12px 0 0;color:#cbd5e1;text-align:center;font-size:13px}
.guide-lightbox-close{position:absolute;top:9px;right:10px;width:36px;height:36px;border:1px solid rgba(148,163,184,.4);border-radius:8px;background:#172033;color:#fff;cursor:pointer;font-size:24px;line-height:1}
.guide-toast{position:fixed;right:20px;bottom:20px;z-index:30;padding:10px 14px;border-radius:9px;background:#0f172a;color:#fff;box-shadow:0 4px 8px rgba(15,23,42,.22);font-size:13px;font-weight:750;opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .2s ease,transform .2s ease}
.guide-toast.is-visible{opacity:1;transform:translateY(0)}
@media (max-width:860px){
  .guide-layout{grid-template-columns:1fr}
  .guide-hero{grid-template-columns:1fr}
  .guide-route{grid-template-columns:repeat(5,minmax(0,1fr))}
  .guide-route li{min-height:78px;padding:46px 4px 8px;border-top:0;border-bottom:1px solid rgba(148,163,184,.22);text-align:center;font-size:11px}
  .guide-route li::after{top:17px;right:0;bottom:auto;left:0;width:auto;height:1px}
  .guide-route li span{top:1px;left:50%;transform:translateX(-50%)}
}
@media (max-width:640px){
  .guide-page>section:not(.guide-hero),.guide-page>.guide-progress,.guide-page>.guide-final-cta,.guide-page>.pager{margin-right:16px;margin-left:16px}
  .guide-hero{min-height:0;padding:34px 20px}
  .guide-page .guide-hero h1{font-size:39px}
  .guide-actions{flex-direction:column}
  .guide-button{width:100%}
  .guide-progress ol{gap:2px}
  .guide-progress a{font-size:clamp(9px,2.5vw,11px)}
  .guide-download-box{grid-template-columns:42px minmax(0,1fr)}
  .guide-download-box>a{grid-column:1/-1}
  .guide-config-list>div{grid-template-columns:1fr auto}
  .guide-config-list>div>span:first-child{grid-column:1/-1}
  .guide-prompt,.guide-final-cta{align-items:stretch;flex-direction:column}
  .guide-prompt button,.guide-final-cta a{width:100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  .guide-progress-track span,.guide-shot img,.guide-trouble-list summary span:last-child,.guide-toast{transition:none}
  .guide-shot:hover img{transform:none}
}