:root {
  --paper:#fff; --surface:#f5f5f2; --ink:#18181b; --body:#52525b; --muted:#71717a;
  --line:#e4e4e7; --brand:#285be7;
  --font:"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --display:"Songti SC","STSong","SimSun","Noto Serif CJK SC",serif;
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:112px; }
body { margin:0; color:var(--body); background:var(--paper); font:16px/1.7 var(--font); -webkit-font-smoothing:antialiased; }
body.modal-open { overflow:hidden; }
a { color:inherit; text-decoration:none; }
button,input,textarea,select { font:inherit; }
button { color:inherit; cursor:pointer; }
button,a,summary { touch-action:manipulation; -webkit-tap-highlight-color:transparent; }
button,input,textarea,select { border-radius:3px; }
h1,h2,h3,h4,p,figure,dl,dd,ol,ul,blockquote { margin:0; padding:0; }
h1,h2,h3,h4 { color:var(--ink); }
h1,h2,h3 { font-weight:500; }
p,li,dd { max-width:42rem; }
[hidden] { display:none!important; }
:focus-visible { outline:2px solid var(--ink); outline-offset:5px; }
::selection { color:var(--paper); background:var(--ink); }
.shell { width:min(1120px,calc(100% - 96px)); margin-inline:auto; }
.icon { width:20px; height:20px; fill:none; stroke:currentColor; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:round; flex-shrink:0; }
.icon-defs { position:absolute; width:0; height:0; overflow:hidden; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.skip-link { position:fixed; left:16px; top:-80px; z-index:100; background:var(--paper); padding:12px 20px; border:1px solid var(--ink); }
.skip-link:focus { top:12px; }
.site-header { position:sticky; top:0; z-index:30; background:var(--paper); border-bottom:1px solid var(--line); }
.header-inner { min-height:88px; display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand { display:flex; align-items:center; gap:24px; color:var(--ink); min-height:44px; }
.brand-logo { display:block; width:76px; height:auto; flex-shrink:0; }
.brand-caption { font-size:12px; color:var(--muted); }
.site-nav { display:flex; align-items:center; gap:28px; font-size:13px; }
.site-nav a { min-height:44px; display:flex; align-items:center; }
.site-nav .header-contact { margin-left:20px; color:var(--ink); gap:14px; }
.site-nav a:hover,.plain-link:hover,.inline-action:hover,.site-footer a:hover { text-decoration:underline; text-underline-offset:6px; color:var(--ink); }
.menu-toggle { display:none; }
.hero { padding-block:80px 64px; }
.audience { font-size:13px; color:var(--muted); margin-bottom:25px; }
h1 { font:400 clamp(44px,4.6vw,68px)/1.3 var(--display); letter-spacing:-.035em; max-width:100%; text-wrap:balance; }
h1 span { display:inline-block; }
.hero-description { font-size:17px; line-height:1.75; margin-top:28px; max-width:42rem; }
.hero-description p { text-wrap:pretty; }
.hero-description p + p { margin-top:4px; }
.hero-actions { display:flex; align-items:center; flex-wrap:wrap; gap:20px 28px; margin-top:34px; }
.button { min-height:48px; display:inline-flex; align-items:center; justify-content:center; gap:20px; padding:11px 21px; border:1px solid transparent; font-size:14px; font-weight:500; transition:opacity 160ms,background-color 160ms; }
.button-primary { background:var(--brand); color:var(--paper); }
.button-primary:hover { opacity:.88; }
.button-primary:active { opacity:.76; }
.button-secondary { background:var(--paper); color:var(--ink); border-color:var(--line); }
.button-secondary:hover { background:var(--surface); }
.button .icon { width:17px; height:17px; }
.plain-link { display:inline-flex; align-items:center; gap:18px; min-height:44px; padding:6px 0; background:none; border:0; font-size:13px; }
.hero-note { margin-top:24px; font-size:13px; color:var(--muted); }
.services { border-top:1px solid var(--line); }
.services-intro { display:flex; align-items:center; justify-content:space-between; gap:24px; padding:40px 0 26px; }
.services-intro h2 { font-size:23px; letter-spacing:-.035em; }
.services-intro p { font-size:13px; }
.service-index { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); padding-bottom:40px; }
.service-index a { padding:19px 22px 19px 0; position:relative; min-width:0; border-top:1px solid var(--line); }
.service-index a + a { margin-left:24px; }
.service-index a span { display:block; color:var(--ink); font-size:15px; }
.service-index small { display:block; font-size:12px; color:var(--muted); margin-top:6px; }
.service-index .icon { position:absolute; right:0; top:22px; width:15px; height:15px; transform:rotate(45deg); }
.service-index a:hover,.service-index a[aria-current="location"] { border-top-color:var(--ink); }
.service-module { border-top:1px solid var(--line); padding:88px 0; display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:88px; align-items:center; }
.service-label { display:flex; align-items:center; gap:14px; margin-bottom:25px; }
.service-label h3 { font-size:14px; color:var(--body); font-weight:500; }
.core-status { font-size:10px; color:var(--brand); border:1px solid var(--brand); border-radius:2px; padding:1px 6px; white-space:nowrap; }
.service-headline { color:var(--ink); font:400 clamp(32px,3vw,42px)/1.45 var(--display); letter-spacing:-.04em; }
.service-description { max-width:26rem; margin-top:24px; font-size:16px; line-height:1.85; }
.deliverables { margin-top:27px; border-top:1px solid var(--line); padding-top:19px; max-width:26rem; display:grid; grid-template-columns:64px 1fr; gap:16px; }
.deliverables dt { font-size:12px; color:var(--muted); padding-top:2px; }
.deliverables dd { font-size:13px; line-height:1.8; }
.inline-action { min-height:44px; background:none; border:0; padding:6px 0; margin-top:17px; color:var(--ink); font-size:13px; display:inline-flex; align-items:center; gap:18px; }
.inline-action .icon { width:16px; height:16px; }
.service-visual { min-width:0; }
.visual-heading { display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px 20px; align-items:center; font-size:13px; color:var(--ink); margin-bottom:23px; }
.visual-heading > span + span { color:var(--muted); font-size:11px; }
.visual-note { font-size:12px; color:var(--muted); line-height:1.8; margin-top:20px; }
.workflow { list-style:none; position:relative; padding:0; }
.workflow::before { content:""; position:absolute; left:18px; top:30px; bottom:40px; width:1px; background:var(--line); }
.workflow li { position:relative; }
.workflow summary { display:flex; align-items:center; gap:20px; min-height:93px; padding:15px 0; color:var(--ink); list-style:none; cursor:pointer; }
summary::-webkit-details-marker { display:none; }
.workflow summary > span:nth-child(2) { flex:1; font-size:18px; }
.workflow summary small { display:block; font-size:12px; color:var(--muted); margin-top:3px; }
.workflow summary .icon { width:17px; height:17px; color:var(--muted); }
.step-index { width:37px; height:37px; display:grid; place-items:center; border:1px solid var(--line); border-radius:50%; background:var(--paper); flex-shrink:0; color:var(--muted); font-size:11px; transition:background-color 180ms,color 180ms; }
.workflow details[open] .step-index { background:var(--ink); border-color:var(--ink); color:var(--paper); }
details[open] > summary > .icon { transform:rotate(45deg); }
.step-detail { padding:0 28px 24px 57px; font-size:14px; }
.step-output { margin-top:15px; color:var(--ink); font-size:12px; }
.step-output span { color:var(--muted); margin-right:10px; }
details[open] .step-detail,details[open] .source-excerpt { animation:unfold 300ms ease-out; }
@keyframes unfold { from { opacity:.25; transform:translateY(-5px); } to { opacity:1; transform:translateY(0); } }
.workbench { border:1px solid var(--line); border-radius:5px; overflow:hidden; background:#fff; }
.workbench-header { display:flex; justify-content:space-between; gap:16px; padding:18px 23px; border-bottom:1px solid var(--line); background:var(--surface); font-size:14px; color:var(--ink); }
.workbench-header span + span { font-size:11px; color:var(--muted); padding-top:3px; }
.workbench-row { display:grid; grid-template-columns:22px 1fr auto; align-items:center; gap:16px; padding:26px 23px; }
.workbench-row + .workbench-row { border-top:1px solid var(--line); }
.workbench-row > .icon { color:var(--muted); }
.workbench-row h4 { font-size:15px; font-weight:500; }
.workbench-row p { font-size:13px; margin-top:5px; }
.row-outcome { font-size:11px; color:var(--muted); padding-left:12px; border-left:1px solid var(--line); }
.knowledge-demo { background:var(--surface); border-radius:5px; padding:0 28px 25px; }
.query-options { display:none; align-items:center; gap:24px; border-bottom:1px solid #dcdcd7; }
.js .query-options { display:flex; }
.query-options button { min-height:55px; border:0; border-bottom:1px solid transparent; border-radius:0; background:none; padding:0 2px; font-size:12px; color:var(--muted); }
.query-options button[aria-pressed="true"] { color:var(--ink); border-bottom-color:var(--ink); }
.query-options button:hover { color:var(--ink); }
.query-line { display:flex; align-items:center; gap:15px; padding:28px 0; color:var(--ink); }
.query-line p { font-size:16px; font-weight:500; }
.query-line .icon { width:18px; height:18px; }
.answer-trace { margin-left:8px; padding-left:25px; border-left:1px solid #d3d3ce; }
.trace-label { display:block; color:var(--muted); font-size:12px; }
.demo-answer { position:relative; padding-top:0; padding-bottom:22px; }
.demo-answer::before,.source-details::before { content:""; position:absolute; width:7px; height:7px; background:var(--surface); border:1px solid #969690; border-radius:50%; left:-29px; top:6px; }
.demo-answer p { color:var(--ink); font-size:14px; line-height:1.9; margin-top:9px; }
.source-details { position:relative; border-top:1px solid #dcdcd7; padding-top:20px; }
.source-details::before { top:25px; }
.source-details summary { list-style:none; display:flex; align-items:center; justify-content:space-between; gap:16px; cursor:pointer; min-height:50px; }
.source-details summary strong { display:block; font-size:13px; font-weight:500; color:var(--ink); margin-top:7px; }
.source-details .icon { width:16px; height:16px; }
.source-excerpt { padding:20px 0 0; }
.source-excerpt > span { font-size:11px; color:var(--muted); }
.source-excerpt blockquote { margin-top:10px; font-size:13px; line-height:1.85; background:#fff; padding:16px; border-left:1px solid var(--ink); }
.analysis-table { width:100%; border-collapse:collapse; text-align:left; table-layout:fixed; font-size:14px; }
.analysis-table th,.analysis-table td { padding:24px 16px; border-bottom:1px solid var(--line); vertical-align:middle; font-weight:400; line-height:1.9; }
.analysis-table thead { background:var(--surface); font-size:11px; color:var(--muted); }
.analysis-table thead th { padding-block:14px; }
.analysis-table tbody th { color:var(--ink); }
.analysis-table td:last-child { color:var(--ink); }
.training-path { list-style:none; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:26px; margin-top:36px; }
.training-path li { border-top:1px solid #c8c8c2; position:relative; padding-top:22px; }
.training-path li::before { content:""; width:5px; height:5px; border-radius:50%; position:absolute; left:0; top:-3px; background:var(--ink); }
.training-number { font-size:12px; color:var(--muted); }
.training-path h4 { font-size:16px; font-weight:500; margin-top:15px; margin-bottom:12px; }
.training-path p { font-size:13px; line-height:1.85; }
.training-takeaway { margin-top:36px; padding:21px 0; display:flex; align-items:center; gap:16px; font-size:12px; color:var(--ink); }
.takeaway-line { flex:1; border-top:1px solid var(--line); }
.approach-band { background:var(--surface); padding:84px 0; }
.approach-layout,.about-section,.contact-section { display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:88px; }
.section-label { font-size:13px; color:var(--muted); margin-bottom:24px; }
.display-title { font:400 42px/1.45 var(--display); letter-spacing:-.04em; }
.section-description { margin-top:24px; font-size:15px; line-height:1.85; max-width:25rem; }
.engagement-list { align-self:center; }
.engagement-list button { width:100%; text-align:left; border:0; border-bottom:1px solid #dcdcd7; border-radius:0; padding:24px 0; background:none; display:flex; align-items:center; gap:18px; }
.engagement-list button:first-child { border-top:1px solid #dcdcd7; }
.engagement-list button:hover strong { text-decoration:underline; text-underline-offset:5px; }
.engagement-list strong { font-size:17px; font-weight:500; color:var(--ink); }
.engagement-list small { display:block; font-size:12px; color:var(--body); margin-top:8px; }
.engagement-kind { font-size:11px; white-space:nowrap; color:var(--muted); margin-left:auto; }
.engagement-list .icon { width:17px; height:17px; }
.about-section { padding:96px 0; }
.about-description { font-size:17px; line-height:1.9; color:var(--ink); }
.about-promises { display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:28px; padding-top:24px; border-top:1px solid var(--line); }
.about-promises dt { color:var(--muted); font-size:12px; margin-bottom:8px; }
.about-promises dd { font-size:13px; }
.faq { margin-top:45px; }
.faq h3 { font-size:13px; color:var(--muted); margin-bottom:12px; }
.faq details { border-bottom:1px solid var(--line); }
.faq summary { display:flex; align-items:center; justify-content:space-between; gap:22px; list-style:none; padding:18px 0; color:var(--ink); font-size:14px; cursor:pointer; }
.faq summary .icon { width:15px; height:15px; }
.faq details p { padding:0 16px 22px 0; font-size:14px; line-height:1.85; }
.contact-section { border-top:1px solid var(--line); padding:90px 0; align-items:center; }
.contact-copy .button { margin-top:28px; }
.contact-note { color:var(--muted); font-size:11px; margin-top:13px; }
.wechat-contact { display:grid; grid-template-columns:minmax(0,1fr) 200px; align-items:center; gap:32px; padding:34px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.wechat-details h3 { font-size:20px; }
.wechat-details > p { font-size:13px; margin-top:12px; }
.wechat-qr { width:200px; max-width:100%; }
.wechat-qr-link { display:block; padding:12px; border:1px solid var(--line); background:#fff; }
.wechat-qr-image { display:block; width:100%; height:auto; }
.wechat-qr figcaption { margin-top:9px; text-align:center; font-size:12px; color:var(--muted); }
.site-footer { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px 30px; min-height:100px; border-top:1px solid var(--line); color:var(--muted); font-size:11px; padding-block:20px; }
.site-footer > div { display:flex; gap:28px; }
.site-footer a { display:inline-flex; align-items:center; min-height:44px; gap:10px; }
dialog { width: min(600px, calc(100% - 32px)); max-height: calc(100dvh - 48px); padding: 24px 32px 28px; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); color: var(--body); }
dialog::backdrop { background: rgb(24 24 27 / 40%); }
.dialog-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; font-size: 12px; color: var(--muted); }
.close-button { background: transparent; border: none; width: 44px; height: 44px; display: grid; place-items: center; font-size: 28px; }
.close-button:hover { color: var(--ink); background: var(--surface); }
dialog h2 { font-size: 25px; }
.dialog-description { margin-top: 16px; font-size: 14px; }
#brief-form { margin-top: 24px; }
#brief-form label { display: block; font-size: 14px; font-weight: 500; color: var(--ink); margin: 20px 0 8px; }
#brief-form label > span { font-size: 12px; color: var(--muted); font-weight: 400; margin-left: 8px; }
#brief-form input, #brief-form select, #brief-form textarea { width: 100%; display: block; border: 1px solid #a1a1aa; padding: 11px 12px; min-height: 46px; color: var(--ink); background: var(--paper); font-size: 16px; }
#brief-form textarea { resize: vertical; min-height: 108px; }
#brief-form input::placeholder, #brief-form textarea::placeholder { color: var(--muted); }
#brief-form .button { margin-top: 28px; width: 100%; }
.form-error { font-size: 13px; font-weight: 600; color: var(--ink); margin-top: 8px; padding-left: 10px; border-left: 2px solid var(--ink); }
#brief-output { margin: 24px 0; padding: 20px; background: var(--surface); border: 1px solid var(--line); color: var(--body); font: 14px/1.625 var(--font); white-space: pre-wrap; overflow-wrap: anywhere; max-height: 320px; overflow: auto; }
.result-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.result-actions .plain-link { margin-left: auto; }
#brief-status { min-height: 23px; margin-top: 16px; font-size: 13px; color: var(--body); }

@media (max-width:1100px) {
  .shell { width:calc(100% - 64px); }
  .brand-caption { display:none; }
  .hero { padding-top:72px; }
  .service-module,.approach-layout,.about-section,.contact-section { gap:48px; }
  .service-headline { font-size:35px; }
  .display-title { font-size:36px; }
  .service-index a + a { margin-left:17px; }
  .service-index a span { font-size:13px; }
  .service-index small { font-size:11px; }
  .workbench-row { grid-template-columns:22px 1fr; padding:22px; }
  .row-outcome { display:none; }
  .workbench-header { padding-inline:22px; }
  .workbench-header span + span { font-size:10px; }
  .wechat-contact { grid-template-columns:1fr; gap:24px; }
  .engagement-kind { display:none; }
  .engagement-list .icon { margin-left:auto; }
}
@media (max-width:800px) {
  .header-inner { min-height:76px; }
  .site-nav { gap:20px; font-size:12px; }
  .site-nav .header-contact { margin-left:5px; }
  .hero { padding-block:64px 56px; }
  .services-intro { align-items:flex-start; flex-direction:column; gap:12px; }
  .service-index { grid-template-columns:repeat(3,minmax(0,1fr)); gap:0 24px; }
  .service-index a + a { margin-left:0; }
  .service-index a span { font-size:14px; }
  .service-module { grid-template-columns:1fr; gap:40px; padding-block:64px; }
  .service-headline { font-size:40px; }
  .service-copy { max-width:42rem; }
  .service-description { max-width:36rem; font-size:16px; }
  .deliverables { max-width:36rem; }
  .service-visual { width:100%; max-width:42rem; }
  .workbench-row { grid-template-columns:22px 1fr auto; }
  .row-outcome { display:block; }
  .workbench-header span + span { font-size:11px; }
  .approach-layout { grid-template-columns:1fr; gap:38px; }
  .approach-band { padding-block:64px; }
  .section-description { max-width:36rem; }
  .engagement-kind { display:block; }
  .about-section { grid-template-columns:.8fr 1.2fr; gap:32px; padding-block:72px; }
  .display-title { font-size:32px; }
  .about-description { font-size:15px; }
  .about-promises { grid-template-columns:1fr; gap:20px; }
  .contact-section { grid-template-columns:1fr 1fr; gap:40px; padding-block:72px; }
  .wechat-contact { grid-template-columns:1fr; gap:26px; }
  .footer-note { display:none; }
}
@media (max-width:700px) {
  html { scroll-padding-top:96px; }
  .shell { width:calc(100% - 40px); }
  .header-inner { min-height:72px; }
  .brand-logo { width:64px; }
  .brand-caption { display:block; font-size:11px; }
  .brand { gap:18px; }
  .menu-toggle { display:none; width:44px; height:44px; flex-direction:column; align-items:center; justify-content:center; gap:7px; background:#fff; border:1px solid var(--line); border-radius:50%; }
  .js .menu-toggle { display:flex; }
  .menu-toggle > span { width:17px; height:1px; background:var(--ink); }
  .menu-toggle[aria-expanded="true"] > span:first-child { transform:translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:last-child { transform:translateY(-4px) rotate(-45deg); }
  .site-nav { flex-wrap:wrap; }
  .js .site-nav { display:none; position:absolute; top:72px; left:0; right:0; background:var(--paper); border-bottom:1px solid var(--line); padding:14px 20px 22px; }
  .js .site-nav.is-open { display:flex; flex-direction:column; align-items:stretch; gap:4px; }
  .site-nav a { min-height:46px; font-size:14px; }
  .site-nav .header-contact { margin-left:0; }
  html:not(.js) .header-inner { flex-wrap:wrap; padding-block:15px; gap:10px; }
  .hero { padding-block:48px; }
  .audience { font-size:13px; margin-bottom:20px; }
  h1 { font-size:clamp(40px,10.8vw,60px); line-height:1.35; }
  h1 span { display:block; }
  .hero-description { font-size:16px; line-height:1.75; margin-top:24px; }
  .hero-description p { text-wrap:balance; }
  .hero-actions { gap:10px 22px; margin-top:26px; }
  .hero-actions .plain-link { font-size:13px; }
  .button { min-height:48px; padding-inline:17px; gap:16px; font-size:13px; }
  .services-intro { padding-top:30px; padding-bottom:24px; }
  .services-intro h2 { font-size:22px; }
  .services-intro p { font-size:13px; line-height:1.85; }
  .service-index { grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 22px; padding-bottom:24px; }
  .service-index a { padding-block:15px; }
  .service-index .icon { top:18px; }
  .service-module { padding-block:54px; gap:32px; }
  .service-label { margin-bottom:20px; }
  .service-label h3 { font-size:13px; }
  .service-headline { font-size:clamp(30px,8.1vw,39px); }
.service-description { font-size:16px; margin-top:21px; }
  .deliverables { margin-top:23px; grid-template-columns:60px 1fr; gap:12px; }
  .deliverables dd { font-size:13px; }
  .inline-action { font-size:13px; margin-top:13px; }
  .visual-heading { font-size:12px; margin-bottom:18px; }
  .visual-heading > span + span { font-size:10px; }
  .workflow summary { min-height:83px; gap:16px; }
  .workflow summary > span:nth-child(2) { font-size:17px; }
  .step-detail { padding-left:53px; padding-right:12px; }
  .visual-note { font-size:12px; margin-top:17px; }
  .workbench-row { grid-template-columns:20px 1fr; padding:22px 18px; gap:14px; }
  .row-outcome { display:none; }
  .workbench-header { padding:15px 18px; }
  .workbench-header span + span { font-size:10px; }
  .workbench-row p { font-size:13px; }
  .knowledge-demo { padding:0 20px 22px; }
  .query-options { gap:22px; }
  .query-options button { min-height:52px; font-size:12px; }
  .query-line { padding:24px 0; gap:12px; }
  .query-line p { font-size:15px; }
  .answer-trace { padding-left:21px; }
  .demo-answer::before,.source-details::before { left:-25px; }
  .demo-answer p { font-size:14px; }
  .source-details summary strong { font-size:12px; }
  .analysis-table thead { display:none; }
  .analysis-table tbody,.analysis-table tr,.analysis-table th,.analysis-table td { display:block; width:100%; }
  .analysis-table tr { padding:22px 0; border-top:1px solid var(--line); }
  .analysis-table th,.analysis-table td { border:0; padding:0; }
  .analysis-table tbody th { font-size:15px; font-weight:500; margin-bottom:12px; }
  .analysis-table br { display:none; }
  .analysis-table td { font-size:14px; margin-top:8px; }
  .analysis-table td::before { content:attr(data-label); font-size:11px; color:var(--muted); margin-right:18px; }
  .training-path { gap:17px; margin-top:30px; }
  .training-path h4 { font-size:14px; margin-top:12px; }
  .training-path p { font-size:13px; }
  .training-takeaway { gap:12px; font-size:11px; margin-top:18px; }
  .approach-band { padding-block:56px; }
  .display-title { font-size:35px; }
  .section-label { margin-bottom:20px; font-size:12px; }
  .section-description { font-size:15px; margin-top:22px; }
  .engagement-list strong { font-size:16px; }
  .engagement-list small { font-size:13px; }
  .engagement-kind { display:none; }
  .about-section { grid-template-columns:1fr; gap:28px; padding-block:56px; }
  .about-description { font-size:16px; }
  .about-promises { grid-template-columns:1fr 1fr; gap:20px; }
  .faq { margin-top:34px; }
  .faq summary { font-size:14px; }
  .contact-section { grid-template-columns:1fr; gap:34px; padding-block:56px; }
  .wechat-contact { grid-template-columns:1fr; padding-block:26px; gap:22px; }
  .wechat-details h3 { font-size:18px; }
  .wechat-details > p { font-size:12px; }
  .site-footer { min-height:90px; gap:10px; font-size:10px; }
  .site-footer > div { gap:17px; }
  dialog { max-height:calc(100dvh - 32px); padding:20px; }
  dialog h2 { font-size:23px; }
  .result-actions { gap:10px; }
  .result-actions .plain-link { margin-left:0; }
}
@media (max-width:360px) {
  .brand-caption { font-size:10px; }
  .hero-actions { align-items:flex-start; flex-direction:column; gap:6px; }
  .training-path { grid-template-columns:1fr; gap:24px; }
  .training-path li { padding-top:18px; }
  .training-path h4 { display:inline; margin-left:14px; }
  .training-path p { margin-top:10px; }
  .wechat-contact { grid-template-columns:1fr; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { animation:none!important; transition:none!important; }
}