@charset "UTF-8";
:root { --ink:#23374f; --muted:#64758c; --blue:#2463cd; --blue-dark:#2456ac; --blue-light:#e5edfc; --paper:#f7f9fd; --line:#dce4f1; --white:#fff; --orange:#ad6d3b; color-scheme:light; }
* { box-sizing:border-box; }
[hidden] { display:none !important; }
body { margin:0; background:var(--paper); color:var(--ink); font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif; -webkit-font-smoothing:antialiased; }
button,input { font:inherit; }
button { cursor:pointer; }
button,a,input { -webkit-tap-highlight-color:transparent; }
button { color:inherit; }
button:disabled { opacity:.35; cursor:default; }
:focus-visible { outline:3px solid #5590ec; outline-offset:4px; }
#exploreScene,.journey-button,.topic-button,.capability-choice,#capSearch { scroll-margin-top:110px; scroll-margin-bottom:24px; }
a { color:var(--blue); }
button { transition:background .18s,color .18s,transform .18s,border-color .18s; }
.skip-link { position:fixed; top:-70px; left:16px; z-index:20; padding:10px 20px; background:white; }
.skip-link:focus { top:8px; }
.site-header { position:sticky; top:0; z-index:10; min-height:88px; padding:14px clamp(22px,3.3vw,58px); display:flex; align-items:center; gap:24px; border-bottom:1px solid var(--line); background:#fafbfe; }
.brand { display:flex; align-items:center; gap:11px; text-decoration:none; color:var(--ink); font-size:19px; letter-spacing:-.5px; white-space:nowrap; }
.brand strong { font-weight:650; }
.brand small { display:block; font-size:10px; color:var(--muted); letter-spacing:2px; line-height:1.4; margin-top:2px; }
.brand-logo { display:block; width:48px; height:48px; object-fit:contain; flex:none; border-radius:10px; }
@media (max-width:580px) { .brand-logo { width:40px; height:40px; border-radius:8px; } }
.view-switch { display:flex; padding:4px; margin:auto; background:#ecf1f9; border:1px solid #e0e7f2; border-radius:9px; }
.view-switch button { border:0; background:none; padding:7px 21px; border-radius:6px; font-size:13px; color:var(--muted); }
.view-switch button.active { background:#fff; color:var(--ink); box-shadow:0 1px 4px #25416f10; }
.header-note { font-size:11px; color:var(--muted); letter-spacing:1px; }
.language-button { background:none; border:1px solid var(--line); border-radius:6px; padding:3px 9px; font-size:11px; }
.workspace { --scene-bg:#edf3fc; --scene-line:#dce6f5; --scene-bottom:#e8f0fc; max-width:1720px; margin:auto; display:grid; grid-template-columns:minmax(0,1fr) minmax(320px,360px); min-height:calc(100vh - 88px); }
.explorer { min-width:0; padding:42px clamp(22px,3.3vw,58px) 25px; }
.hero { max-width:780px; padding-bottom:30px; }
.purpose-overview { padding:4px 0 24px; }
.purpose-overview .hero-description { max-width:670px; color:#526883; font-size:15px; }
.purpose-prompt { color:var(--muted); font-size:11px; margin:0; }
.purpose-examples { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:18px; margin:0 0 30px; }
.purpose-example { position:relative; background:#fff; border:1px solid var(--line); border-radius:12px; padding:22px; text-align:left; min-width:0; }
.purpose-example[aria-pressed="true"] { border-color:#83a7dc; }
.purpose-example:hover { border-color:var(--blue); }
.purpose-example > span { display:block; }
.purpose-example .purpose-number { font:10px ui-monospace,monospace; color:var(--blue); margin-bottom:17px; letter-spacing:1px; }
.purpose-example .purpose-title { font-size:19px; line-height:1.5; font-weight:550; color:var(--ink); }
.purpose-example .purpose-quote { font-size:12px; color:var(--muted); line-height:1.8; margin:12px 0 20px; }
.purpose-before,.purpose-after { font-size:12px; line-height:1.8; padding:12px 0; }
.purpose-before { color:var(--muted); border-top:1px solid #e9eef6; }
.purpose-after { color:var(--blue-dark); border-top:1px solid #e9eef6; }
.purpose-example .purpose-open { font-size:11px; color:var(--blue); margin-top:12px; }
.journey-connection { font-size:12px; color:var(--muted); margin:0 0 19px; }
@media (max-width:580px) {
  .purpose-overview h1 { font-size:clamp(26px,7.5vw,36px); }
  .purpose-overview .hero-description { font-size:13px; }
  .purpose-examples { grid-template-columns:1fr; gap:14px; }
  .purpose-example { padding:20px; }
  .purpose-example .purpose-title { font-size:19px; }
}
.journey-nav { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; border-bottom:1px solid var(--line); margin:0 0 23px; }
.journey-button { display:grid; grid-template-columns:18px minmax(0,1fr); gap:3px 7px; align-content:start; align-items:baseline; padding:0 0 12px; border:0; border-bottom:2px solid transparent; background:none; text-align:left; min-width:0; }
.journey-number { font:9px/1.5 ui-monospace,monospace; color:#8b9ab0; }
.journey-button strong { font-size:14px; font-weight:600; }
.journey-button small { grid-column:2; font-size:10px; line-height:1.6; color:var(--muted); }
.journey-button[aria-pressed="true"] { border-bottom-color:var(--blue); color:var(--blue); }
.journey-button:hover { color:var(--blue); border-bottom-color:#b6c9e9; }
.journey-button:focus-visible { outline-offset:2px; }
.eyebrow { display:flex; align-items:center; gap:8px; font:10px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace; letter-spacing:2px; margin:0 0 20px; color:var(--blue); }
.status-dot { display:inline-block; width:6px; height:6px; border-radius:50%; background:#618fd8; flex:none; }
h1 { font-weight:500; font-size:clamp(35px,3.65vw,57px); line-height:1.28; letter-spacing:-1.8px; margin:0; }
h1 em { font-style:normal; color:var(--blue); }
.hero-description { max-width:575px; color:var(--muted); font-size:14px; line-height:1.95; margin:21px 0; }
.hero-actions { display:flex; gap:18px; align-items:center; }
.primary-button { background:var(--blue-dark); color:white; border:1px solid var(--blue-dark); border-radius:7px; padding:10px 17px; display:inline-flex; align-items:center; gap:30px; font-size:13px; }
.primary-button:hover { background:#18478f; transform:translateY(-1px); }
.hero-hint { font-size:11px; color:#7e8da4; }
.scene-toolbar { display:flex; gap:12px; align-items:center; justify-content:space-between; margin-bottom:13px; }
.scene-caption { display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.small-label { font-size:12px; font-weight:600; }
.scene-caption-note,.progress-label { font:10px/1.5 inherit; color:#7b8ba2; font-size:10px; }
.work-scene { border:1px solid var(--scene-line); border-radius:13px; background:var(--scene-bg); overflow:hidden; position:relative; box-shadow:0 12px 35px -25px #4265a055; }
.scene-topline { display:flex; gap:7px; align-items:center; padding:14px 20px; color:var(--muted); font-size:10px; border-bottom:1px solid var(--scene-line); }
.scene-dot { width:5px; height:5px; border:1px solid #758dab; border-radius:50%; }
.scene-live { margin-left:auto; font:9px ui-monospace,monospace; letter-spacing:1.4px; }
.journey-bridge { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1px; margin:19px 20px 0; border:1px solid var(--scene-line); border-radius:7px; background:var(--scene-line); overflow:hidden; }
.bridge-button { display:grid; grid-template-columns:minmax(0,1fr) 14px; gap:3px 10px; padding:12px 15px; background:var(--scene-bg); border:0; text-align:left; min-width:0; }
.bridge-button strong { font-size:11px; color:var(--blue-dark); font-weight:600; }
.bridge-button > span:not(.bridge-arrow) { grid-column:1; font-size:10px; color:var(--muted); }
.bridge-arrow { grid-column:2; grid-row:1/3; align-self:center; color:var(--blue); font-size:14px; }
.bridge-button:hover { background:white; }
.topic-list { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:9px; padding:28px 20px 20px; position:relative; }
.topic-list:before { content:""; position:absolute; left:12%; right:12%; top:72px; height:1px; background:#c6d7ee; }
.topic-button { background:#fbfcff; border:1px solid #d8e2f1; border-radius:9px; position:relative; text-align:left; padding:17px 12px 13px; min-width:0; display:flex; flex-direction:column; align-items:flex-start; }
.topic-button:hover { border-color:#82a8de; transform:translateY(-3px); }
.topic-button[aria-expanded="true"] { background:var(--blue-dark); color:#fff; border-color:var(--blue-dark); box-shadow:0 7px 14px #2456ac17; }
.topic-icon { width:34px; height:34px; color:#597faf; margin:0 0 19px; display:block; }
.topic-icon svg { width:100%; height:100%; fill:none; stroke:currentColor; stroke-width:1.35; stroke-linecap:round; stroke-linejoin:round; }
.topic-button[aria-expanded="true"] .topic-icon { color:#c7dcfb; }
.topic-number { position:absolute; right:11px; top:14px; font:9px ui-monospace,monospace; opacity:.4; }
.topic-name { font-size:13px; font-weight:650; line-height:1.5; }
.topic-subtitle { font-size:10px; opacity:.65; margin-top:5px; line-height:1.6; }
.topic-open { margin-top:17px; font-size:11px; opacity:.7; }
.scene-rest { display:flex; align-items:center; gap:17px; padding:19px 25px 28px; color:#647da0; }
.rest-glyph { font:28px Georgia,serif; border:1px dashed #c3d4ef; width:44px; height:44px; display:grid; place-items:center; border-radius:50%; flex:none; }
.scene-rest strong { font-size:13px; font-weight:500; }
.scene-rest p { font-size:11px; color:#8092ad; margin:4px 0 0; }
.scene-bottomline { display:flex; justify-content:space-between; gap:12px; padding:11px 20px; border-top:1px solid var(--scene-line); font-size:10px; color:var(--muted); background:var(--scene-bottom); }
.scene-detail { padding:0 20px 20px; }
.scene-detail:empty { display:none; }
.detail-heading { display:flex; align-items:center; gap:10px; margin:0 0 13px; font-size:12px; font-weight:500; }
.detail-heading:after { content:""; height:1px; background:#d1dff2; flex:1; }
.detail-cards { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px; }
.capability-choice { border:1px solid #dbe5f3; background:#ffffffbd; padding:13px 15px; border-radius:7px; text-align:left; display:flex; gap:14px; align-items:center; }
.capability-choice:hover,.capability-choice[aria-pressed="true"] { border-color:var(--blue); background:white; }
.capability-choice strong { display:block; font-size:12px; font-weight:600; }
.capability-choice small { display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; font-size:11px; color:var(--muted); line-height:1.6; margin-top:4px; }
.choice-arrow { margin-left:auto; color:var(--blue); }
.scene-navigation { display:flex; gap:18px; padding-top:12px; }
.text-button { border:0; background:none; padding:3px 0; font-size:11px; color:var(--muted); }
.text-button:hover:not(:disabled) { color:var(--blue); }
#overviewButton { margin-left:auto; }
.explorer-footer { display:flex; border-top:1px solid var(--line); margin-top:25px; padding-top:17px; gap:23px; align-items:flex-start; color:#8593aa; font-size:10px; }
#capCount { white-space:nowrap; font:10px/1.8 ui-monospace,monospace; color:#597395; }
.explorer-footer p { margin:0; max-width:560px; }
.guide { background:#ffffff; border-left:1px solid var(--line); position:sticky; top:88px; height:calc(100dvh - 88px); display:flex; flex-direction:column; min-width:0; }
.guide-heading { padding:27px 24px 22px; display:flex; align-items:center; gap:11px; border-bottom:1px solid #e9eef6; }
.guide-mark { width:33px; height:33px; display:grid; place-items:center; border:1px solid #dae5f5; border-radius:50%; color:var(--blue); font-size:23px; background:#eff4fd; flex:none; }
.guide-heading h2 { margin:0 0 2px; font-size:14px; font-weight:600; }
.guide-heading div > span { display:block; font-size:10px; color:#8997ac; }
.guide-heading > .status-dot { margin-left:auto; }
.guide-scroll { overflow-y:auto; padding:24px; flex:1; overscroll-behavior:contain; scrollbar-width:thin; }
.current-label { display:flex; align-items:center; gap:10px; font-size:9px; letter-spacing:1px; color:#8393ac; }
#currentPath { margin-left:auto; min-width:0; font-size:9px; letter-spacing:0; text-align:right; }
.current-explanation h3 { font-size:22px; font-weight:500; line-height:1.5; margin:15px 0 13px; letter-spacing:-.5px; }
.current-explanation p { color:#687c98; font-size:12px; line-height:1.95; margin:0 0 16px; }
.guide-fact { padding:13px 14px; border-left:2px solid var(--blue); background:var(--scene-bg); margin:19px 0; }
.guide-fact strong { font-size:11px; font-weight:550; }
.guide-fact p { font-size:11px; margin:4px 0 0; }
.source-button { display:inline-flex; align-items:center; gap:5px; background:none; border:0; padding:3px 0; margin-right:9px; font-size:10px; color:#6584ab; text-align:left; }
.source-button:hover { color:var(--blue); text-decoration:underline; }
.example-label { display:block; font-size:10px; color:#8294ac; margin:19px 0 7px; }
.say { display:block; width:100%; text-align:left; border:1px solid #dae5f5; background:#f2f6fd; border-radius:5px; padding:8px 11px; color:#43699e; font-size:11px; margin:5px 0; overflow-wrap:anywhere; }
.say:hover { border-color:#7ba1d8; }
.lane-note { color:#7c91af; font-size:10px; padding:8px 0 0; }
.guide-divider { margin:28px 0 14px; display:flex; gap:14px; align-items:center; font-size:9px; color:#8c9db6; letter-spacing:1px; }
.guide-divider:after { content:""; height:1px; background:#e3eaf5; flex:1; }
.guide-suggestions { display:flex; flex-direction:column; align-items:stretch; gap:7px; }
.suggestion { background:#ffffff; border:1px solid #dce6f5; border-radius:5px; font-size:11px; padding:8px 11px; text-align:left; display:flex; justify-content:space-between; gap:12px; color:#526e96; }
.suggestion:hover { background:#edf3fc; border-color:#afc6e9; }
.message { margin-top:18px; font-size:12px; line-height:1.85; color:#526e96; overflow-wrap:anywhere; }
.message.user { padding:10px 13px; background:#e9f0fc; border-radius:8px 8px 0 8px; margin-left:20px; color:var(--ink); }
.message-label { display:block; font-size:9px; color:#8496af; margin-bottom:5px; }
.message p { white-space:pre-line; margin:0; }
.result-item { padding:11px 0; border-bottom:1px solid #e9eff8; }
.result-item strong { display:block; font-size:12px; font-weight:500; color:var(--ink); }
.result-item p { font-size:11px; color:var(--muted); margin:4px 0; }
.locate-button { font-size:10px; border:0; background:none; color:var(--blue); padding:4px 0; margin-left:10px; }
.guide-form { padding:19px 24px 17px; background:#ffffff; border-top:1px solid #e3eaf5; }
.guide-form label { font-size:9px; display:block; color:#8094af; margin-bottom:8px; }
.guide-input-wrap { display:flex; border:1px solid #d3e0f4; border-radius:8px; background:white; padding:6px; }
.guide-input-wrap:focus-within { border-color:#608dd0; box-shadow:0 0 0 2px #608dd016; }
.guide-input-wrap input { min-width:0; width:100%; border:0; outline:none; font-size:11px; padding:7px 6px; background:transparent; color:var(--ink); }
.guide-input-wrap input::placeholder { color:#94a4bc; }
.guide-input-wrap button { width:32px; height:32px; border:0; background:var(--blue-dark); color:white; border-radius:6px; flex:none; }
.guide-form > p { font-size:9px; color:#91a3bd; margin:8px 0 0; text-align:center; }
.guide-form #guideAskStatus { color:var(--blue-dark); text-align:left; line-height:1.6; }
.guide-form[aria-busy="true"] .guide-input-wrap { border-color:var(--blue); }
.catalog-heading h1 { font-size:34px; }
.catalog-heading > p:last-child { color:var(--muted); font-size:13px; margin:14px 0 22px; }
.search { display:flex; align-items:center; gap:10px; background:#ffffff; border:1px solid var(--line); border-radius:7px; padding:10px 14px; margin-bottom:17px; }
.search span { color:var(--blue); font-size:22px; line-height:1; }
.search input { min-width:0; width:100%; border:0; outline:none; background:none; color:var(--ink); font-size:12px; }
.chips { display:flex; flex-wrap:wrap; gap:7px; margin-bottom:27px; }
.chip { border:1px solid var(--line); background:none; border-radius:5px; font-size:10px; color:var(--muted); padding:4px 8px; }
.chip.active { background:var(--blue-dark); color:white; border-color:var(--blue-dark); }
.chip.dim { opacity:.4; }
.chip b { margin-left:5px; font-weight:400; opacity:.55; }
.group { margin-bottom:27px; }
.group h2 { font-size:13px; font-weight:600; padding-bottom:9px; margin:0 0 12px; border-bottom:1px solid var(--line); }
.grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; }
.card { background:#ffffff; border:1px solid var(--line); border-radius:8px; padding:16px; min-width:0; display:flex; flex-direction:column; }
.card .name { border:0; padding:0; font-size:13px; font-weight:600; background:none; text-align:left; }
.card .name:hover { color:var(--blue); text-decoration:underline; }
.card[data-catalog-entry] { cursor:pointer; }
.card:has(.name[aria-expanded="true"]) { border-color:var(--blue); background:#f4f8ff; }
.catalog-jump { align-self:flex-start; border:1px solid #aec5e8; border-radius:6px; background:white; color:var(--blue-dark); padding:8px 12px; margin:12px 0; font-size:12px; }
.card .desc { font-size:11px; color:var(--muted); line-height:1.85; margin:8px 0; overflow-wrap:anywhere; }
.card .foot { display:flex; flex-wrap:wrap; align-items:center; gap:5px; margin-top:auto; padding-top:9px; }
.cid { font:9px ui-monospace,monospace; overflow-wrap:anywhere; color:#8da3c1; }
.tag { font-size:9px; color:#7089ad; margin-left:auto; }
.tag.confirm { color:var(--orange); }
.empty { padding:45px 20px; text-align:center; border:1px dashed var(--line); border-radius:8px; color:var(--muted); }
.load-status { padding:70px 30px; text-align:center; color:var(--muted); }
.load-status button { margin:20px auto; display:block; padding:8px 20px; }
dialog { color:var(--ink); border:1px solid var(--line); border-radius:12px; padding:25px; width:min(600px,calc(100% - 32px)); max-height:80dvh; box-shadow:0 20px 80px #1c355c30; }
dialog::backdrop { background:#23365566; backdrop-filter:blur(3px); }
.source-top { display:flex; align-items:center; gap:20px; margin-bottom:20px; }
.source-top h2 { font-size:18px; margin:0; }
.source-top button { margin-left:auto; font-size:24px; padding:0 9px; border:0; background:none; color:var(--muted); }
#sourceBody { overflow-wrap:anywhere; font-size:13px; }
#sourceBody blockquote { margin:20px 0; padding:15px 19px; border-left:3px solid #80a6dc; background:#f0f5fd; }
.source-meta { font:11px/1.8 ui-monospace,monospace; color:var(--muted); }
.copy-status { position:fixed; left:50%; bottom:22px; transform:translateX(-50%); color:white; background:var(--blue-dark); border-radius:7px; font-size:12px; z-index:30; padding:0; max-width:90%; }
.copy-status:not(:empty) { padding:9px 17px; box-shadow:0 4px 20px #24477433; }
html[lang="en"] .topic-name { white-space:normal; }
html[lang="en"] .topic-subtitle { line-height:1.5; }
@media (min-width:1450px) { .workspace { grid-template-columns:minmax(0,1fr) 390px; } .explorer { padding-top:55px; } .hero { padding-bottom:45px; } .topic-list { padding-top:32px; } .topic-button { padding:22px 18px 17px; } }
@media (max-width:1150px) { .workspace { grid-template-columns:minmax(0,1fr) 315px; } .explorer { padding:30px 24px 22px; } .topic-list { gap:6px; padding:23px 12px 16px; } .topic-button { padding:13px 8px 11px; } .topic-name { font-size:11px; } .topic-subtitle { font-size:9px; } .topic-number { right:6px; } .guide-scroll,.guide-form { padding-left:20px; padding-right:20px; } .scene-caption-note { display:none; } .hero-description { font-size:13px; } .hero-hint { font-size:10px; } }
@media (max-width:900px) { .workspace { grid-template-columns:1fr; } .guide { position:static; height:auto; max-height:none; border-left:0; border-top:1px solid var(--line); margin:0 24px 28px; border:1px solid var(--line); border-radius:12px; overflow:hidden; } .guide-scroll { overflow:visible; } .guide-heading { padding:20px; } .guide-form { padding-bottom:19px; } .hero { padding-bottom:30px; } .hero-description { max-width:560px; } .header-note { display:none; } .topic-button { padding:18px 13px; } .topic-name { font-size:13px; } .topic-subtitle { font-size:11px; } .topic-list { gap:10px; padding:25px 20px 18px; } .current-explanation h3 { font-size:23px; } .guide-suggestions { flex-direction:row; flex-wrap:wrap; } .guide-messages { max-height:450px; overflow:auto; } }
@media (max-width:580px) { .site-header { padding:15px 18px; min-height:77px; gap:10px; flex-wrap:wrap; } .brand { font-size:16px; gap:8px; } .brand small { font-size:8px; } .view-switch { margin-left:auto; margin-right:0; } .view-switch button { font-size:10px; padding:6px 9px; } .language-button { padding:3px 6px; font-size:10px; } .explorer { padding:30px 18px 20px; } h1 { font-size:37px; letter-spacing:-1px; } .hero-description { font-size:12px; } .hero-hint { max-width:110px; line-height:1.7; } .eyebrow { font-size:8px; letter-spacing:1.5px; } .topic-list { grid-template-columns:repeat(2,minmax(0,1fr)); gap:9px; padding:18px 14px; } .topic-list:before { display:none; } .topic-button { display:grid; grid-template-columns:33px 1fr; gap:2px 12px; padding:14px 12px; } .topic-icon { grid-row:1/4; margin:4px 0 0; width:30px; height:30px; } .topic-name { font-size:12px; } .topic-subtitle { font-size:9px; } .topic-number { display:none; } .topic-open { margin:0; font-size:10px; } .topic-button:last-child { grid-column:1/-1; } .scene-live { font-size:8px; letter-spacing:.2px; } .scene-topline { padding:12px 14px; font-size:9px; } .scene-rest { padding:10px 17px 22px; gap:13px; } .scene-rest p { font-size:10px; } .scene-rest strong { font-size:12px; } .scene-detail { padding:0 14px 17px; } .detail-cards,.grid { grid-template-columns:1fr; } .scene-navigation { gap:12px; } .text-button { font-size:10px; } .explorer-footer { flex-direction:column; gap:8px; margin-top:20px; } .guide { margin:0 18px 20px; } .guide-scroll { padding-top:20px; } .guide-suggestions { flex-direction:column; } .catalog-heading h1 { font-size:29px; } .scene-bottomline { font-size:9px; } }
@media (min-width:581px) and (max-width:740px) { .topic-list { grid-template-columns:repeat(3,minmax(0,1fr)); } .topic-list:before { display:none; } }
@media (max-width:580px) { .journey-nav { gap:12px; margin-bottom:23px; } .journey-button { grid-template-columns:1fr; gap:3px; } .journey-button small { grid-column:1; font-size:9px; } .journey-button strong { font-size:12px; } .journey-number { font-size:9px; } .hero h1 { font-size:clamp(25px,7.4vw,37px); } .journey-button { scroll-margin-top:95px; } .journey-bridge { margin:14px 14px 0; } .bridge-button { padding:10px; gap:3px; } .bridge-button strong { font-size:10px; } .bridge-button > span:not(.bridge-arrow) { font-size:9px; } }
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { transition:none !important; scroll-behavior:auto !important; } }
@media (max-width:580px) {
  .topic-button { display:flex; flex-direction:column; align-items:flex-start; gap:4px; }
  .topic-icon { margin:0 0 8px; }
  .topic-open { margin-top:7px; }
  .topic-button:last-child { display:grid; grid-template-columns:33px minmax(0,1fr); gap:2px 12px; }
  .topic-button:last-child .topic-icon { grid-row:1/4; margin:4px 0 0; }
  .topic-button:last-child .topic-open { margin-top:0; }
}