:root{color-scheme:dark;--canvas:var(--theme-canvas, #07101f);--surface:var(--theme-surface, #101a2b);--raised:var(--theme-raised, #162238);--border:var(--theme-border, #2a3850);--text:var(--theme-ink, #f7f4f6);--muted:var(--theme-muted, #a9b6c9);--accent:var(--theme-accent, #c84272);--accent-deep:var(--theme-accent-hover, #ad2d5a);--accent-soft:var(--theme-accent-soft, #2a1724);--link:var(--theme-link, #f5abc5);--focus:var(--theme-focus, #ff8aae);font-family:"Microsoft YaHei UI","PingFang SC",system-ui,sans-serif}
.guide-page{margin:0;min-width:320px;background:var(--canvas);color:var(--text);font-size:16px;line-height:1.6}
.guide-page *{box-sizing:border-box}.guide-page a{color:var(--link);text-underline-offset:4px}.guide-page button,.guide-page input{font:inherit}.guide-page :focus-visible{outline:3px solid var(--focus);outline-offset:3px}.guide-page ::selection{color:var(--text);background:var(--theme-accent, #74304b)}.guide-page input{caret-color:var(--focus)}
.guide-shell{width:min(1160px,calc(100% - 48px));margin-inline:auto}.guide-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:24px;border-bottom:1px solid var(--border)}.guide-brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--text)!important}.guide-brand img{border-radius:8px}.guide-brand b,.guide-brand small{display:block}.guide-brand b{font-size:17px}.guide-brand small{font-size:12px;color:var(--muted)}.guide-header nav{display:flex;gap:8px;flex-wrap:wrap}
.guide-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 15px;border:1px solid var(--border);border-radius:10px;background:var(--raised);color:var(--text)!important;text-decoration:none;cursor:pointer;font-size:14px}.guide-button:hover{background:var(--theme-raised, #21304a);border-color:var(--theme-border, #60738d)}.guide-button:active{background:var(--theme-raised, #2a3850)}.guide-primary{border-color:var(--accent-deep);background:var(--accent-deep);font-weight:700}.guide-primary:hover{background:var(--theme-accent, #c33d6a);border-color:var(--theme-accent, #c33d6a)}.guide-button:disabled{opacity:.55;cursor:wait}
.guide-intro{display:flex;align-items:end;justify-content:space-between;gap:28px;padding:32px 0 28px}.guide-intro h1{margin:0;font-size:32px;line-height:1.3;letter-spacing:-.02em}.guide-intro p{margin:10px 0 0;color:var(--muted);font-size:14px}.guide-search{flex:0 1 370px;min-width:0}.guide-search label{display:block;margin-bottom:7px;font-size:13px;color:var(--muted)}.guide-search>div{display:flex;gap:8px}.guide-search input{width:100%;min-width:0;min-height:46px;border:1px solid var(--theme-border, #465774);border-radius:10px;padding:10px 12px;color:var(--text);background:var(--theme-inset, #0a1424);font-size:16px}.guide-search input::placeholder{color:var(--muted)}.guide-search .guide-button{flex-shrink:0}
.guide-layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:30px;align-items:start}.guide-sidebar{position:sticky;top:20px}.guide-toc summary{display:none}.guide-toc nav{max-height:calc(100dvh - 48px);overflow:auto;scrollbar-color:var(--theme-muted, #536782) var(--canvas);scrollbar-width:thin;padding-right:10px}.guide-toc section+section{margin-top:22px}.guide-toc h2{font-size:13px;color:var(--muted);margin:0 0 8px;padding-inline:10px}.guide-toc a{display:flex;align-items:center;min-height:44px;padding:9px 10px;border-radius:8px;text-decoration:none;color:var(--theme-ink, #c9d3e1);font-size:14px;line-height:1.6}.guide-toc a:hover{color:var(--text);background:var(--raised)}.guide-toc a[aria-current]{color:var(--theme-link, #ffc3d8);background:var(--accent-soft);font-weight:700}
.guide-reading{min-width:0;scroll-margin-top:24px}.guide-article,.guide-results{border:1px solid var(--border);border-radius:14px;background:var(--surface);padding:30px 34px}.guide-article>header,.guide-results>header{padding-bottom:22px;border-bottom:1px solid var(--border)}.guide-article>header h2,.guide-results>header h2{margin:0;font-size:25px;line-height:1.5;overflow-wrap:anywhere;text-wrap:balance}.guide-article>header p,.guide-results>header p{margin:10px 0 0;color:var(--muted);font-size:14px}.guide-article>header small{display:block;margin-top:10px;color:var(--muted);font-size:12px}
.guide-prose{max-width:72ch;overflow-wrap:anywhere}.guide-prose p{margin:20px 0;line-height:1.95}.guide-prose h3{margin:32px 0 12px;font-size:19px;line-height:1.6}.guide-prose h4{margin:26px 0 10px;font-size:17px}.guide-prose ul,.guide-prose ol{padding-left:24px;margin:16px 0 24px}.guide-prose li{padding-left:3px;margin:10px 0;line-height:1.9}.guide-prose li::marker{color:var(--muted)}.guide-prose strong{color:var(--theme-ink, #fff);font-weight:700}.guide-prose pre{padding:18px;border:1px solid var(--border);border-radius:10px;background:var(--canvas);white-space:pre-wrap;font:inherit;line-height:1.9}.guide-prose code{font:inherit}.guide-prose img,.guide-preview img{display:block;max-width:100%;height:auto;margin-block:18px;border-radius:8px}
.guide-neighbours{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:30px;padding-top:22px;border-top:1px solid var(--border)}.guide-neighbours a{min-height:58px;text-decoration:none;overflow-wrap:anywhere;font-size:14px}.guide-neighbours small{display:block;color:var(--muted);margin-bottom:5px}.guide-neighbours a:hover{text-decoration:underline}.guide-result{padding:22px 0;border-bottom:1px solid var(--border)}.guide-result:last-child{border-bottom:0}.guide-result h3{margin:4px 0 8px;font-size:19px}.guide-result h3 a{text-decoration:none}.guide-result h3 a:hover{text-decoration:underline}.guide-result p{margin:0;color:var(--muted);line-height:1.9;overflow-wrap:anywhere}.guide-result .guide-group-name{font-size:12px}.guide-empty{padding:24px 0}.guide-empty h3{font-size:19px}.guide-empty p{color:var(--muted)}.guide-footer{display:flex;gap:20px;flex-wrap:wrap;margin:28px 0 40px;padding-top:20px;border-top:1px solid var(--border);font-size:12px;color:var(--muted)}.guide-skip{position:absolute;left:-9999px}.guide-skip:focus{left:16px;top:8px;padding:10px;background:var(--surface);z-index:10}
.guide-summary-return{display:inline-flex;align-items:center;min-height:44px;font-size:14px}
.guide-task-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:24px;border-block:1px solid var(--border)}
.guide-task-nav a{display:flex;flex-direction:column;justify-content:center;min-width:0;min-height:94px;padding:16px;text-decoration:none;color:var(--text);transition:background-color 160ms ease-out}
.guide-task-nav a+a{border-left:1px solid var(--border)}.guide-task-nav a:hover{background:var(--raised)}.guide-task-nav a:active{background:var(--accent-soft)}
.guide-task-nav b{font-size:17px;line-height:1.5}.guide-task-nav span{margin-top:5px;color:var(--muted);font-size:14px;overflow-wrap:anywhere}
.guide-faq{margin-top:24px;padding:0 16px;border:1px solid var(--border);border-radius:10px;background:var(--canvas)}.guide-faq>summary{min-height:52px;padding-block:13px;cursor:pointer;font-weight:700}.guide-faq>summary::marker{color:var(--link)}.guide-faq[open]>summary{border-bottom:1px solid var(--border)}
.guide-platform-steps{margin-top:28px;padding-top:24px;border-top:1px solid var(--border)}.guide-platform-steps h3{margin:0 0 10px;font-size:19px;text-wrap:balance}
.guide-platform-note{margin:10px 0;color:var(--muted);font-size:14px;line-height:1.8}.guide-platform-walkthrough{display:grid;grid-template-columns:minmax(0,1fr) minmax(160px,.8fr);gap:24px;align-items:start}
.guide-platform-walkthrough>p{margin:12px 0;font-size:16px;line-height:1.9}
.guide-official-shot{min-width:0;margin:16px 0 0}.guide-official-image{position:relative;width:fit-content;max-width:100%;margin-inline:auto}.guide-official-image img{display:block;width:auto;max-width:100%;height:auto}
.guide-official-shot figcaption{margin-top:14px;font-size:14px;color:var(--muted);line-height:1.8}.guide-shot-mark{position:absolute;pointer-events:none;border:2px solid var(--focus);border-radius:999px}
.is-qishui .guide-shot-mark{left:21%;top:77%;width:58%;height:15%}.is-tme .guide-shot-mark{left:0;top:38%;width:52%;height:62%}
@media(max-width:1100px){.guide-platform-walkthrough{grid-template-columns:1fr}.guide-official-shot{max-width:320px;margin:6px auto 0}}
@media(max-width:1000px){.guide-task-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-task-nav a:nth-child(3){border-left:0}.guide-task-nav a:nth-child(n+3){border-top:1px solid var(--border)}}
@media(max-width:540px){.guide-task-nav a{padding:14px 10px;min-height:106px}.guide-task-nav b{font-size:16px}.guide-task-nav span{font-size:13px}}
.guide-section-nav{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}.guide-section-nav a{min-height:46px;gap:12px;font-size:16px}.guide-section-nav span{font-size:13px;font-weight:400}
.guide-layout.guide-summary-layout{grid-template-columns:minmax(0,1fr) 260px;gap:28px}
.guide-summary-layout .guide-reading{width:100%}.guide-summary-layout .guide-sidebar{position:static;width:100%;margin:0}
.guide-summary-layout .guide-sidebar{min-width:0;scroll-margin-top:24px}
.guide-index{padding:24px 0}.guide-index>header{padding:0 10px 22px}.guide-index>header h2{margin:0;font-size:22px;line-height:1.5;overflow-wrap:anywhere}.guide-index>header p{margin:6px 0 14px;color:var(--muted);font-size:14px}.guide-index>header a{width:100%}
.guide-index nav{overflow:visible;max-height:none}.guide-index section+section{margin-top:24px}.guide-index nav h2{margin:0 0 8px;padding-inline:10px;font-size:13px;color:var(--muted);overflow-wrap:anywhere}.guide-index nav a{display:flex;align-items:center;min-height:44px;padding:9px 10px;border-radius:8px;text-decoration:none;color:var(--theme-ink, #c9d3e1);font-size:14px;line-height:1.6;overflow-wrap:anywhere}.guide-index nav a:hover{color:var(--text);background:var(--raised)}.guide-index nav a:active{background:var(--accent-soft)}.guide-index nav a[aria-current]{color:var(--theme-link, #ffc3d8);background:var(--accent-soft);font-weight:700}
.guide-summary>header{margin-bottom:20px}.guide-summary-sections{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:28px}
.guide-summary-sections>section{min-width:0;padding:8px 0 12px;border-bottom:1px solid var(--border)}
.guide-summary-sections>section:nth-child(n+3){padding-top:20px}
.guide-summary-sections h2{margin:0 0 10px;font-size:19px;line-height:1.6}
.guide-summary-sections p,.guide-summary-sections ul,.guide-summary-sections ol{margin:0 0 12px}.guide-summary-sections li{margin:7px 0;line-height:1.8}.guide-summary-sections strong{color:var(--theme-link, #ffd1e1)}
.guide-summary-tools{display:flex;flex-wrap:wrap;align-items:center;gap:4px 20px;padding-top:18px;font-size:14px}.guide-summary-tools span{color:var(--muted)}.guide-summary-tools a{display:inline-flex;align-items:center;min-height:44px}
.guide-summary-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}
@media(max-width:1000px){.guide-layout{grid-template-columns:210px minmax(0,1fr);gap:20px}.guide-article,.guide-results{padding:24px}.guide-intro{align-items:start}.guide-search{flex-basis:320px}.guide-summary-sections{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px}}
@media(max-width:1000px){.guide-layout.guide-summary-layout{grid-template-columns:minmax(0,1fr) 210px;gap:20px}}
@media(max-width:820px){.guide-header{padding-block:18px}.guide-intro{display:grid;gap:20px;padding-block:24px}.guide-search{width:100%;max-width:540px}.guide-layout{display:block}.guide-sidebar{position:static;margin-bottom:18px}.guide-toc{border:1px solid var(--border);border-radius:12px;background:var(--surface)}.guide-toc summary{display:flex;justify-content:space-between;gap:16px;align-items:center;min-height:52px;padding:12px 16px;cursor:pointer;font-size:14px;font-weight:700;list-style:none}.guide-toc summary::-webkit-details-marker{display:none}.guide-toc-toggle{flex:0 0 18px;color:var(--link)}.guide-toc[open] .guide-toc-toggle{transform:rotate(180deg)}.guide-toc summary span{flex:1;text-align:right;font-size:12px;font-weight:400;color:var(--muted)}.guide-toc nav{max-height:50dvh;padding:8px 12px 16px;scrollbar-color:var(--theme-muted, #536782) var(--surface)}.guide-toc nav section{margin-top:12px}.guide-reading{scroll-margin-top:14px}}
@media(max-width:820px){.guide-index{margin-top:28px;padding-top:24px;border-top:1px solid var(--border)}.guide-index nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.guide-index section+section{margin-top:0}.guide-index>header{max-width:360px}.guide-summary-layout .guide-sidebar{scroll-margin-top:16px}}
@media(max-width:540px){.guide-section-nav a{flex:1;padding-inline:12px}.guide-index nav{grid-template-columns:1fr}.guide-index>header{padding-inline:0}.guide-index nav h2{padding-inline:0}.guide-index nav a{font-size:16px;padding-inline:0}}
@media(max-width:540px){.guide-shell{width:calc(100% - 28px)}.guide-header{flex-wrap:wrap;gap:16px}.guide-header nav{width:100%}.guide-header nav a{flex:1;padding-inline:10px}.guide-brand small{font-size:12px}.guide-intro h1{font-size:28px}.guide-article,.guide-results{padding:22px 18px}.guide-article>header h2,.guide-results>header h2{font-size:22px}.guide-toc summary span{display:none}.guide-prose{font-size:16px}.guide-prose h3{font-size:18px}.guide-neighbours{grid-template-columns:1fr;gap:18px}.guide-footer{margin-bottom:28px}}
@media(prefers-reduced-motion:reduce){.guide-page *{scroll-behavior:auto!important}}
@media(max-width:600px){.guide-summary-sections{grid-template-columns:1fr}.guide-summary-sections>section{padding-block:18px 10px}.guide-summary-actions{display:grid}.guide-summary-tools{gap:0 14px}.guide-summary-tools span{flex-basis:100%}}

/* Original, responsive teaching diagrams; text remains selectable and no JS is needed. */
.guide-example-disclosure{margin-top:20px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}
.guide-example-disclosure>summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;padding:16px 22px;cursor:pointer;list-style:none}
.guide-example-disclosure>summary::-webkit-details-marker{display:none}
.guide-example-disclosure>summary b,.guide-example-disclosure>summary small{display:block}
.guide-example-disclosure>summary b{font-size:17px}.guide-example-disclosure>summary small{margin-top:3px;color:var(--muted);font-size:14px}
.guide-example-disclosure>summary svg{flex:none;color:var(--link)}.guide-example-disclosure[open]>summary svg{transform:rotate(180deg)}
.guide-example-disclosure>summary:hover{background:var(--raised);border-radius:12px}
.guide-example-disclosure>.guide-examples{padding:0 22px 24px}
.guide-examples{--example-good:var(--theme-positive, #8de0c1);--example-bad:var(--theme-link, #ffc3d8);container-type:inline-size;min-width:0;margin-top:28px}
.guide-example-disclosure .guide-examples{margin-top:0}
.guide-examples-note{margin:0 0 20px;color:var(--muted);font-size:14px}
.guide-example-topic+.guide-example-topic{margin-top:32px;padding-top:28px;border-top:1px solid var(--border)}
.guide-example-topic h3{margin:0 0 16px;font-size:19px;line-height:1.6;text-wrap:balance}
.guide-example-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.guide-example-pair figure{min-width:0;margin:0}
.guide-example-status{display:flex;align-items:center;gap:7px;margin-bottom:10px;font-weight:700;font-size:15px}
.guide-example-status.is-correct{color:var(--example-good)}.guide-example-status.is-incorrect{color:var(--example-bad)}
.guide-example-pair figcaption{padding-top:14px;font-size:16px;overflow-wrap:anywhere}
.guide-example-pair figcaption b{font-weight:700}.guide-example-pair figcaption p{margin:6px 0 0;color:var(--muted);line-height:1.8}
.guide-example-takeaway{margin:18px 0 0;padding-top:14px;border-top:1px solid var(--border);color:var(--muted);font-size:14px;line-height:1.8}
.guide-profile-diagram{padding:16px;background:var(--canvas);border:1px solid var(--border);border-radius:12px;font-size:14px}
.guide-diagram-bar{font-size:12px;color:var(--muted);padding-bottom:14px;border-bottom:1px solid var(--border)}
.guide-profile-heading{display:flex;align-items:center;gap:12px;padding-block:18px}
.guide-profile-heading b{display:block;font-size:17px}.guide-profile-avatar{display:grid;place-items:center;flex:none;width:46px;height:46px;border-radius:50%;background:var(--raised);color:var(--text);font-size:19px}
.guide-profile-identity{display:block;color:var(--muted);font-size:13px;margin-top:3px}.guide-profile-identity.is-artist{color:var(--example-good)}
.guide-profile-tabs{display:flex;flex-wrap:wrap;gap:16px;padding-bottom:10px;border-bottom:1px solid var(--border);color:var(--muted)}.guide-profile-tabs b{color:var(--text)}
.guide-profile-row{display:flex;align-items:center;gap:10px;padding-top:14px}.guide-profile-row small{display:block;color:var(--muted);font-size:12px}
.guide-profile-art{width:32px;height:32px;flex:none;border-radius:4px;background:var(--theme-info-soft, #35576b)}.guide-profile-art.alternate{background:var(--theme-raised, #63455a)}
.guide-cover-stage{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;height:304px;padding:16px;background:var(--canvas);border:1px solid var(--border);border-radius:12px}
.guide-cover-art{display:block;max-width:100%;max-height:228px;height:auto}.guide-cover-art.is-square{width:228px}.guide-cover-art.is-landscape{width:100%}
.guide-cover-dimension{color:var(--muted);text-align:center;font-size:13px}
.guide-release-diagram{display:flex;flex-direction:column;justify-content:center;gap:14px;min-height:256px;padding:18px;background:var(--canvas);border:1px solid var(--border);border-radius:12px;font-size:15px}
.guide-release-route{display:grid;grid-template-columns:minmax(0,1fr) 18px auto;gap:8px;align-items:center}
.guide-release-route p{margin:0}.guide-release-route small{color:var(--muted);font-size:13px}.guide-release-route>b{color:var(--example-good);white-space:nowrap;font-size:15px}.guide-release-route>b.guide-release-mistake{color:var(--example-bad);text-decoration:line-through}
.guide-release-arrow{color:var(--muted)}
.guide-release-target{margin:0;padding-top:12px;border-top:1px solid var(--border);color:var(--muted);font-size:14px}
.guide-release-correction{margin:0;color:var(--example-bad);font-size:14px}
@container(max-width:540px){.guide-example-pair{grid-template-columns:1fr;gap:24px}}
@media(max-width:540px){.guide-example-disclosure>summary{padding:16px}.guide-example-disclosure>.guide-examples{padding:0 16px 20px}.guide-example-topic h3{font-size:18px}.guide-cover-stage{height:auto}.guide-release-diagram{min-height:0}}