/* Generated by YDJX-GEO-STATIC-001. System-font, no-float responsive CSS. */
:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.65; }
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { color: #17212b; background: hsl(var(--hue) 30% 98%); overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; width: 100%; height: auto; object-fit: contain; }
button { font: inherit; }
.skip { position: absolute; left: -9999px; top: auto; }
.skip:focus { left: 1rem; top: 1rem; z-index: 100; background: #fff; padding: .7rem 1rem; border-radius: .4rem; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .45rem max(1rem, calc((100% - 1180px)/2)); color: #fff; background: #13212e; font-size: .92rem; }
.topbar-phone { display: inline-flex; align-items: center; min-height: 2rem; padding: .25rem .7rem; border: 1px solid #f6d365; border-radius: 999px; background: #fff8d6; color: #5d3b00; font-weight: 800; letter-spacing: .01em; }
.site-nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem max(1rem, calc((100% - 1180px)/2)); background: #fff; border-bottom: 1px solid hsl(var(--hue) 22% 84%); position: sticky; top: 0; z-index: 20; }
.brand { font-weight: 800; color: hsl(var(--hue) 65% 28%); letter-spacing: .02em; }
.nav-links { display: flex; align-items: center; gap: .85rem; list-style: none; }
.nav-links a { font-size: .92rem; }
.nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.5rem; padding: .55rem .9rem; border: 1px solid hsl(var(--hue) 60% 38%); border-radius: .5rem; background: hsl(var(--hue) 66% 38%); color: #fff; font-weight: 700; }
.button.alt { background: #fff; color: hsl(var(--hue) 65% 28%); }
.menu-button { display: none; border: 1px solid hsl(var(--hue) 35% 70%); background: #fff; border-radius: .4rem; padding: .45rem .65rem; }
.page { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; }
.hero { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(250px, .92fr); gap: clamp(1.2rem, 4vw, 3rem); align-items: center; padding: clamp(1.15rem, 3.25vw, 2.75rem) 0 clamp(1.5rem, 3vw, 2.1rem); }
.hero-copy { display: grid; align-content: center; gap: 1rem; }
.eyebrow { width: fit-content; padding: .28rem .62rem; background: hsl(var(--hue) 70% 92%); color: hsl(var(--hue) 65% 25%); border-radius: 999px; font-size: .86rem; font-weight: 700; }
h1 { font-size: clamp(1.9rem, 4vw, 3.45rem); line-height: 1.18; color: hsl(var(--hue) 63% 22%); text-wrap: balance; }
h2 { font-size: clamp(1.35rem, 2.3vw, 2rem); line-height: 1.3; color: hsl(var(--hue) 53% 24%); }
h3 { font-size: 1.04rem; line-height: 1.4; }
.hero-lead { font-size: clamp(1rem, 1.8vw, 1.18rem); max-width: 52rem; }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; }
.hero-media { border: 1px solid hsl(var(--hue) 28% 78%); border-radius: 1.25rem; background: #fff; box-shadow: 0 1.1rem 2.6rem hsl(var(--hue) 30% 40% / .13); overflow: hidden; }
.hero-media img { aspect-ratio: 4 / 3; }
.template-chaoyang .hero { grid-template-columns: minmax(0, 1.06fr) minmax(280px, .94fr); min-height: 0; padding-top: clamp(1.15rem, 3vw, 2.4rem); text-align: left; }
.template-chaoyang .hero-copy { justify-items: start; }
.template-chaoyang .hero-media { width: min(100%, 560px); margin-left: auto; }
.template-changping .hero { grid-template-columns: minmax(0, .95fr) minmax(280px, 1.05fr); min-height: 0; padding-top: clamp(1.15rem, 3vw, 2.4rem); text-align: left; }
.template-changping .hero-copy { justify-items: start; }
.template-changping .hero-media { width: min(100%, 560px); margin-left: auto; }
.template-fengtai .hero, .template-dongcheng .hero { grid-template-columns: minmax(0, .85fr) minmax(270px, 1.15fr); }
.template-mentougou .hero { padding: 2rem; border-radius: 1.25rem; background: linear-gradient(135deg, hsl(var(--hue) 42% 94%), #fff); }
.template-shijingshan .hero-media { border-radius: 0; border-width: .55rem 0 0; }
.template-xicheng .hero-copy { border-left: .45rem solid hsl(var(--hue) 60% 42%); padding-left: 1rem; }
.hero--split-media-copy { grid-template-columns: 1.12fr .88fr; }
.hero--stacked-banner { grid-template-columns: 1fr; text-align: center; }
.hero--copy-led-offset { grid-template-columns: .82fr 1.18fr; }
.hero--full-bleed-card { padding: 2.2rem; background: linear-gradient(135deg, hsl(var(--hue) 45% 93%), #fff); border-radius: 1.4rem; }
.hero--industrial-columns { grid-template-columns: 1fr 1fr; border-top: .55rem solid hsl(var(--hue) 42% 34%); }
.hero--centered-orbit { grid-template-columns: 1fr; text-align: center; border-radius: 50% 50% 1rem 1rem; }
.hero--editorial-columns { grid-template-columns: .72fr 1.28fr; border-left: .5rem solid hsl(var(--hue) 56% 35%); padding-left: 1.25rem; }
.hero--ledger-layout { grid-template-columns: .95fr 1.05fr; background-image: linear-gradient(hsl(var(--hue) 25% 90%) 1px, transparent 1px); background-size: 100% 2.1rem; }
.module { margin: 1.25rem 0; padding: clamp(1.15rem, 3vw, 2.15rem); background: #fff; border: 1px solid hsl(var(--hue) 25% 86%); border-radius: 1rem; }
.module-head { display: grid; gap: .45rem; margin-bottom: 1.15rem; max-width: 70rem; }
.ai-overview { background: linear-gradient(135deg, hsl(var(--hue) 60% 96%), #fff); border-left: .42rem solid hsl(var(--hue) 60% 43%); }
.facts, .cards, .benefit-grid, .plans, .credentials, .district-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.cards.products { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.product-order-price-first .product-card { border-top: .32rem solid hsl(var(--hue) 58% 40%); }
.product-order-audience-first .product-card { border-left: .32rem solid hsl(var(--hue) 58% 40%); }
.product-order-fee-first .product-card { background: linear-gradient(135deg, hsl(var(--hue) 45% 96%), #fff); }
.product-order-lesson-first .product-card { border-radius: 1.25rem .4rem; }
.product-order-mode-first .product-card { box-shadow: inset .25rem 0 hsl(var(--hue) 55% 42%); }
.product-order-schedule-first .product-card { border-style: double; }
.product-order-summary-first .product-card { border-left: .45rem double hsl(var(--hue) 55% 38%); }
.product-order-comparison-first .product-card { background-image: linear-gradient(90deg, hsl(var(--hue) 22% 92%) 1px, transparent 1px); background-size: 1.5rem 100%; }
.benefit-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { display: grid; align-content: start; gap: .55rem; min-width: 0; padding: 1rem; border: 1px solid hsl(var(--hue) 24% 84%); border-radius: .75rem; background: hsl(var(--hue) 38% 99%); }
.card img { aspect-ratio: 16 / 10; border-radius: .45rem; background: hsl(var(--hue) 24% 94%); }
.tag { width: fit-content; padding: .16rem .45rem; border-radius: .3rem; background: hsl(var(--hue) 58% 90%); color: hsl(var(--hue) 56% 24%); font-size: .82rem; font-weight: 700; }
.price { color: hsl(var(--hue) 70% 32%); font-size: 1.28rem; font-weight: 800; }
.fee-note { font-size: .84rem; color: #4b5563; }
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; min-width: 610px; border-collapse: collapse; text-align: left; }
th, td { padding: .8rem; vertical-align: top; border-bottom: 1px solid hsl(var(--hue) 20% 84%); }
th { background: hsl(var(--hue) 42% 94%); color: hsl(var(--hue) 55% 23%); }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .85rem; list-style: none; counter-reset: steps; }
.steps li { counter-increment: steps; padding: 1rem; border-radius: .7rem; background: hsl(var(--hue) 36% 96%); }
.steps li::before { content: counter(steps); display: grid; place-items: center; width: 1.85rem; height: 1.85rem; margin-bottom: .55rem; border-radius: 50%; background: hsl(var(--hue) 62% 38%); color: #fff; font-weight: 800; }
.faq-list { display: grid; gap: .65rem; }
.faq-list details { border: 1px solid hsl(var(--hue) 25% 82%); border-radius: .65rem; background: #fff; }
.faq-list summary { cursor: pointer; padding: .85rem 1rem; font-weight: 700; color: hsl(var(--hue) 52% 24%); }
.faq-list details p { padding: 0 1rem 1rem; }
.contact { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(180px, .75fr); gap: 1.5rem; align-items: center; }
.contact-list { display: grid; gap: .45rem; list-style: none; }
.contact img { max-width: 220px; border: .55rem solid hsl(var(--hue) 25% 92%); border-radius: .8rem; }
.module[data-module="about"] .split { align-items: start; }
.relationship-copy { align-self: start; margin: 0; padding-top: 0; gap: .35rem; }
.relationship-copy > p { margin-top: .2rem; }
.relationship-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .55rem; margin-top: .65rem; list-style: none; }
.relationship-steps li { padding: .55rem; border-left: .25rem solid hsl(var(--hue) 58% 42%); background: hsl(var(--hue) 35% 97%); font-size: .9rem; line-height: 1.45; }
.template-mentougou .module[data-module="about"] .split { grid-template-columns: minmax(0, 1.25fr) minmax(240px, .75fr); }
.template-mentougou .module[data-module="about"] .split > :last-child { align-self: start; }
.haidian-route-boundary { margin-top: .85rem; padding: .8rem; border-radius: .55rem; background: hsl(var(--hue) 45% 96%); }
.credentials[class*="credential-layout-"] { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; }
.credential-item { display: grid; grid-template-rows: auto auto; align-content: start; min-width: 0; gap: .6rem; padding: .65rem; border: 1px solid hsl(var(--hue) 24% 84%); border-radius: .7rem; background: hsl(var(--hue) 38% 99%); }
.credential-item img { width: 100%; aspect-ratio: 4 / 3; border-radius: .4rem; object-fit: contain; }
.credential-item figcaption { color: hsl(var(--hue) 54% 24%); font-size: .92rem; font-weight: 700; line-height: 1.45; }
.audience-layout-badge-above-copy .card { border-top: .3rem solid hsl(var(--hue) 58% 40%); }
.audience-layout-icon-rail .card { grid-template-columns: minmax(0, 1fr); grid-auto-flow: row; }
.audience-layout-icon-rail .tag { justify-self: start; }
.audience-layout-numbered-panels .card { border-radius: 0; border-left: .4rem solid hsl(var(--hue) 58% 40%); }
.audience-layout-route-tags .card { background: linear-gradient(90deg, hsl(var(--hue) 35% 95%), #fff); }
.audience-layout-caption-grid .card h3 { text-transform: uppercase; letter-spacing: .04em; }
.audience-layout-signal-cards .card { box-shadow: 0 .45rem 0 hsl(var(--hue) 33% 82%); }
.audience-layout-seal-cards .card { border-radius: 50% 50% .75rem .75rem; }
.audience-layout-ledger-rows .card { border-width: 0 0 1px; border-radius: 0; }
.plan-layout-question-answer .card { border-top: .32rem solid hsl(var(--hue) 58% 42%); }
.plan-layout-timeline-cards .card { border-left: .32rem dashed hsl(var(--hue) 58% 42%); }
.plan-layout-cost-ladder .card { background: linear-gradient(135deg, hsl(var(--hue) 45% 96%), #fff); }
.plan-layout-journey-steps .card { border-radius: 1.4rem .45rem; }
.plan-layout-checklist .card { border-style: double; }
.plan-layout-commute-flow .card { box-shadow: inset .25rem 0 hsl(var(--hue) 58% 42%); }
.plan-layout-chapter-flow .card { border-left-width: .5rem; }
.plan-layout-decision-matrix .card { background-image: linear-gradient(90deg, hsl(var(--hue) 22% 92%) 1px, transparent 1px); background-size: 1.5rem 100%; }
.benefit-layout-metric-grid .card { text-align: center; }
.benefit-layout-pill-list .card { border-radius: 999px; }
.benefit-layout-rule-grid .card { border-top: .35rem solid hsl(var(--hue) 58% 40%); }
.benefit-layout-terrain-cards .card { clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 100%); }
.benefit-layout-steel-tabs .card { border-radius: 0 .9rem .9rem 0; }
.benefit-layout-campus-grid .card { box-shadow: 0 .3rem 0 hsl(var(--hue) 35% 78%); }
.benefit-layout-heritage-list .card { border-left: .4rem double hsl(var(--hue) 58% 40%); }
.benefit-layout-gold-grid .card { background: hsl(var(--hue) 45% 98%); }
.faq-style-plus-accordion details summary::before { content: "+ "; }
.faq-style-drawer-accordion details { border-radius: 0; border-left: .45rem solid hsl(var(--hue) 58% 42%); }
.faq-style-border-list details { border-width: 0 0 2px; border-radius: 0; }
.faq-style-ring-accordion details { border-radius: 999px; }
.faq-style-side-markers details { border-left: .45rem solid hsl(var(--hue) 45% 35%); }
.faq-style-soft-cards details { box-shadow: 0 .3rem .8rem hsl(var(--hue) 25% 50% / .12); }
.faq-style-redline-accordion details { border-left: .4rem double hsl(var(--hue) 55% 38%); }
.faq-style-ledger-disclosure details { border-radius: 0; background-image: linear-gradient(hsl(var(--hue) 20% 93%) 1px, transparent 1px); background-size: 100% 2rem; }
.credential-layout-three-wide { grid-template-columns: repeat(3, 1fr); }
.credential-layout-two-wide { grid-template-columns: repeat(2, 1fr); }
.credential-layout-three-tight { grid-template-columns: repeat(3, 1fr); gap: .45rem; }
.credential-layout-one-plus-two { grid-template-columns: 1.4fr .8fr .8fr; }
.credential-layout-masonry-three { grid-template-columns: 1.1fr .9fr 1fr; }
.credential-layout-two-by-two { grid-template-columns: repeat(2, 1fr); }
.credential-layout-framed-three { grid-template-columns: repeat(3, 1fr); padding: .65rem; border: .25rem double hsl(var(--hue) 40% 55%); }
.credential-layout-balanced-three { grid-template-columns: repeat(3, 1fr); align-items: center; }
.contact-layout-qr-right { grid-template-columns: 1.25fr .75fr; }
.contact-layout-qr-left { grid-template-columns: .75fr 1.25fr; }
.contact-layout-stacked { grid-template-columns: 1fr; }
.contact-layout-qr-top { grid-template-columns: 1fr; }
.contact-layout-split-rail { grid-template-columns: 1fr .55fr; border-left: .45rem solid hsl(var(--hue) 45% 35%); padding-left: 1rem; }
.contact-layout-qr-panel { grid-template-columns: 1fr 1fr; background: hsl(var(--hue) 35% 97%); }
.contact-layout-formal-stack { grid-template-columns: 1fr; border-top: .35rem double hsl(var(--hue) 55% 38%); }
.contact-layout-two-column-qr { grid-template-columns: 1.1fr .9fr; background-image: linear-gradient(90deg, hsl(var(--hue) 20% 91%) 1px, transparent 1px); background-size: 2rem 100%; }
.station-variant-0 .product-card { border-radius: .75rem; }
.station-variant-1 .product-card { border-radius: 0; border-top-width: .3rem; }
.station-variant-2 .product-card { border-radius: 1.2rem .35rem; box-shadow: inset .22rem 0 hsl(var(--hue) 55% 42%); }
.breadcrumb { padding: .85rem 0; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .45rem; list-style: none; color: #52606d; font-size: .9rem; }
.breadcrumb li + li::before { content: "/"; margin-right: .45rem; color: #8795a1; }
.site-footer { margin-top: 2rem; padding: 2rem max(1rem, calc((100% - 1180px)/2)); background: #13212e; color: #e9f2f7; }
.site-footer a { color: #e9f2f7; }
.footer-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.footer-grid ul { display: grid; gap: .3rem; list-style: none; }
.footer-small { margin-top: 1.4rem; font-size: .85rem; color: #c0d1dc; }
.release-warning { padding: .65rem 1rem; background: #fff3cd; color: #5e4700; border-bottom: 1px solid #f1d777; text-align: center; font-size: .9rem; }
@media (max-width: 720px) {
  .topbar { align-items: flex-start; flex-direction: column; gap: .18rem; }
  .site-nav { flex-wrap: wrap; }
  .menu-button { display: inline-flex; }
  .nav-links { display: none; flex-basis: 100%; align-items: stretch; flex-direction: column; padding-top: .7rem; }
  .nav-links.is-open { display: flex; }
  .nav-cta { width: 100%; }
  .hero, .template-fengtai .hero, .template-dongcheng .hero, .split, .contact, .facts, .cards.products, .cards, .benefit-grid, .plans, .credentials, .district-links, .steps, .relationship-steps, .footer-grid { grid-template-columns: 1fr; }
  .template-chaoyang .hero, .template-changping .hero { grid-template-columns: 1fr; text-align: center; }
  .template-chaoyang .hero-copy, .template-changping .hero-copy { justify-items: center; }
  .template-chaoyang .hero-media, .template-changping .hero-media { margin-inline: auto; }
  .template-mentougou .hero { padding: 1.2rem; }
  .hero-media { order: -1; }
  .module { border-radius: .75rem; }
  .page { width: min(100% - 1rem, 1180px); }
  .site-footer { padding: 1.6rem 1rem; }
  .contact img { margin: 0 auto; }
  table { min-width: 0; font-size: .82rem; }
  th, td { padding: .52rem; }
}

/* v9: district-qualified titles and conversion-first dual contacts */
.topbar-contacts { display: flex; align-items: center; justify-content: flex-end; gap: .55rem; flex-wrap: wrap; }
.topbar-contacts button, .topbar-contacts a { font: inherit; text-decoration: none; cursor: pointer; }
.topbar-wechat { display: inline-flex; align-items: center; gap: .45rem; min-height: 2.2rem; padding: .32rem .8rem; border: 1px solid #2ed573; border-radius: 999px; background: #07c160; color: #fff; font-weight: 800; }
.topbar-wechat small { font-size: .72rem; font-weight: 600; opacity: .9; }
.topbar-phone { min-height: 2.2rem; background: #fff; color: #17324d; border-color: #d6e2ec; }
.button, .nav-cta { font: inherit; cursor: pointer; }
.button-wechat { border-color: #07a950; background: #07c160; color: #fff; }
.nav-wechat { border-color: #07a950; background: #07c160; color: #fff; }
.button-wechat:hover, .topbar-wechat:hover { background: #06ad56; }
.hero h1 { font-size: clamp(1.9rem, 3.25vw, 2.85rem); line-height: 1.14; }
.mobile-contact-bar { display: none; }

@media (max-width: 720px) {
  .topbar { gap: .45rem; }
  .topbar-contacts { display: grid; grid-template-columns: 1fr; width: 100%; }
  .topbar-wechat, .topbar-phone { width: 100%; justify-content: center; }
  .hero-actions .button { width: 100%; }
  .hero .hero-copy { order: 0; }
  .hero .hero-media { order: 1; }
  .hero h1 { font-size: clamp(1.72rem, 8vw, 2.1rem); }
  body { padding-bottom: 4.4rem; }
  .mobile-contact-bar { position: fixed; z-index: 80; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: 1.35fr 1fr; gap: .55rem; padding: .6rem max(.75rem, env(safe-area-inset-left)) calc(.6rem + env(safe-area-inset-bottom)); border-top: 1px solid #d8e2ea; background: rgb(255 255 255 / 96%); box-shadow: 0 -.45rem 1.4rem rgb(15 35 55 / 14%); backdrop-filter: blur(10px); }
  .mobile-contact-bar button, .mobile-contact-bar a { display: inline-flex; align-items: center; justify-content: center; min-height: 2.8rem; border-radius: .6rem; font: inherit; font-weight: 800; text-decoration: none; cursor: pointer; }
  .mobile-contact-bar button { border: 1px solid #07a950; background: #07c160; color: #fff; }
  .mobile-contact-bar a { border: 1px solid #235f9c; background: #fff; color: #174a7b; }
}