.page-changchun {
  --accent: #266659;
  --accent-deep: #123c36;
  --wine: #742f38;
  --cream: #f2eadc;
  --cobalt: #5e8fba;
  --charcoal: #111a1c;
  --cc-line: rgba(34, 62, 58, .16);
  background: #ede8df;
  color: #17201f;
}
.page-changchun .city-main { background: #ede8df; }
.page-changchun .city-crumb { color: #68736f; }
.page-changchun .city-crumb strong { color: #20312e; }
.page-changchun .city-eyebrow { color: var(--accent); }
.page-changchun .cc-hero { position: relative; padding: 12px 0 82px; overflow: hidden; }
.page-changchun .cc-hero::before { position: absolute; inset: 13% -10% auto auto; width: 52vw; height: 52vw; border: 1px solid rgba(94,143,186,.16); border-radius: 50%; content: ""; }
.page-changchun .cc-hero-grid { position: relative; display: grid; grid-template-columns: minmax(0,.82fr) minmax(520px,1.18fr); align-items: center; gap: 42px; min-height: 640px; }
.page-changchun .cc-hero-copy { position: relative; z-index: 2; padding: 66px 0 54px; }
.page-changchun .cc-hero h1 { max-width: 720px; margin: 0; font-size: clamp(52px,5vw,58px); line-height: 1.02; letter-spacing: -.065em; }
.page-changchun .cc-hero-lead { max-width: 650px; margin: 28px 0 0; color: #596963; font-size: 17px; line-height: 1.9; }
.page-changchun .cc-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 34px 0 42px; }
.page-changchun .cc-button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border: 1px solid rgba(27,60,53,.24); border-radius: 4px; font-size: 14px; font-weight: 850; text-decoration: none; }
.page-changchun .cc-button.is-primary { border-color: var(--accent-deep); background: var(--accent-deep); color: #fff; box-shadow: 10px 10px 0 rgba(116,47,56,.14); }
.page-changchun .cc-hero-index { display: grid; gap: 0; max-width: 620px; margin: 0; border-top: 1px solid var(--cc-line); }
.page-changchun .cc-hero-index div { display: grid; grid-template-columns: 82px 1fr; gap: 22px; padding: 15px 0; border-bottom: 1px solid var(--cc-line); }
.page-changchun .cc-hero-index dt { color: var(--wine); font-size: 13px; font-weight: 900; }
.page-changchun .cc-hero-index dd { margin: 0; color: #52605c; font-size: 13px; }
.page-changchun .cc-hero-visual { position: relative; z-index: 1; width: calc(100% + 13vw); margin: 0 -13vw 0 0; padding: 18px 0 52px 18px; }
.page-changchun .cc-hero-visual::before { position: absolute; inset: 0 0 34px; border: 1px solid rgba(18,60,54,.2); border-left: 12px solid var(--wine); background: #17201f; content: ""; }
.page-changchun .cc-hero-visual picture { position: relative; display: block; overflow: hidden; min-height: 520px; }
.page-changchun .cc-hero-visual img { display: block; width: 100%; height: 560px; object-fit: cover; }
.page-changchun .cc-hero-visual figcaption { position: absolute; z-index: 2; right: 4%; bottom: 0; display: grid; gap: 3px; width: min(370px,70%); padding: 20px 24px; background: var(--cream); box-shadow: 18px 18px 0 rgba(18,60,54,.16); }
.page-changchun .cc-hero-visual figcaption span { color: #6d7773; font-size: 12px; }
.page-changchun .cc-hero-visual figcaption strong { font-size: 17px; }
.page-changchun .cc-hero-spines { position: absolute; z-index: 3; right: 3%; bottom: 52px; display: flex; align-items: end; gap: 7px; }
.page-changchun .cc-hero-spines i { display: block; width: 9px; height: 54px; background: var(--cream); box-shadow: inset 2px 0 rgba(18,60,54,.24); }
.page-changchun .cc-hero-spines i:nth-child(2) { height: 78px; background: var(--accent); }
.page-changchun .cc-hero-spines i:nth-child(3) { height: 66px; background: var(--wine); }
.page-changchun .cc-hero-spines i:nth-child(4) { height: 92px; background: #263945; }
.page-changchun .city-section { padding: 112px 0; }
.page-changchun .city-section h2 { font-size: clamp(43px,3.7vw,46px); line-height: 1.08; letter-spacing: -.055em; }
.page-changchun .city-section-head { align-items: start; }
.page-changchun .city-section-copy { max-width: 500px; }
.page-changchun .cc-ledger { background: #f8f3e9; }
.page-changchun .cc-stage-switch { display: flex; gap: 8px; margin: 0 0 16px; }
.page-changchun .cc-stage-switch button { min-height: 42px; padding: 0 18px; border: 1px solid var(--cc-line); border-radius: 3px; background: transparent; color: #5d6864; cursor: pointer; font: inherit; font-size: 13px; font-weight: 850; }
.page-changchun .cc-stage-switch button[aria-selected="true"] { border-color: var(--accent-deep); background: var(--accent-deep); color: #fff; }
.page-changchun .cc-stage-panel { display: grid; grid-template-columns: minmax(220px,.45fr) 1fr; gap: 24px; margin-bottom: 48px; padding: 22px 26px; border-left: 6px solid var(--wine); background: #e8e1d3; }
.page-changchun .cc-stage-panel[hidden] { display: none; }
.page-changchun .cc-stage-panel strong { font-size: 16px; }
.page-changchun .cc-stage-panel span { color: #5e6a65; line-height: 1.8; }
.page-changchun .cc-cascade { display: grid; grid-template-columns: 1.18fr .82fr; align-items: start; gap: 28px; }
.page-changchun .cc-book { position: relative; overflow: hidden; padding: 38px; border: 1px solid var(--cc-line); background: #fffdf8; box-shadow: 16px 16px 0 rgba(38,102,89,.08); }
.page-changchun .cc-book::before { position: absolute; top: 0; bottom: 0; left: 0; width: 12px; background: var(--accent); box-shadow: inset -3px 0 rgba(0,0,0,.08); content: ""; }
.page-changchun .cc-book:nth-child(2)::before { background: var(--wine); }
.page-changchun .cc-book:nth-child(3)::before { background: #3e5870; }
.page-changchun .cc-book:nth-child(4)::before { background: #c7a873; }
.page-changchun .cc-book-register { grid-row: span 2; padding: 0; }
.page-changchun .cc-book-register::before { z-index: 2; }
.page-changchun .cc-book-register figure { margin: 0; overflow: hidden; }
.page-changchun .cc-book-register img { display: block; width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.page-changchun .cc-book-copy { padding: 34px 38px 40px 48px; }
.page-changchun .cc-book h3 { margin: 14px 0 14px; font-size: 28px; line-height: 1.18; letter-spacing: -.025em; }
.page-changchun .cc-book p { margin: 0; color: #63716c; line-height: 1.85; }
.page-changchun .cc-book a { display: inline-block; margin-top: 20px; color: var(--accent-deep); font-weight: 900; }
.page-changchun .cc-book ul { margin: 20px 0 0; padding-left: 20px; color: #52605c; line-height: 1.9; }
.page-changchun .cc-folio { display: inline-block; padding: 6px 10px; border: 1px solid var(--cc-line); color: var(--wine); font-size: 11px; font-weight: 900; letter-spacing: .1em; }
.page-changchun .cc-book-address { margin-top: 36px; }
.page-changchun .cc-book-transition { grid-column: 1 / -1; width: 72%; margin-left: 18%; }
.page-changchun .cc-signals { background: #142321; color: #f8f3e9; }
.page-changchun .cc-signals .city-eyebrow { color: #9bcbbd; }
.page-changchun .cc-signals .city-section-copy { color: #a9b8b3; }
.page-changchun .cc-signal-grid { display: grid; grid-template-columns: repeat(12,1fr); gap: 18px; }
.page-changchun .cc-signal-grid article,.page-changchun .cc-signal-grid aside { min-height: 300px; padding: 34px; border: 1px solid rgba(242,234,220,.18); background: rgba(255,255,255,.035); }
.page-changchun .cc-signal-grid article:nth-child(1) { grid-column: span 5; }
.page-changchun .cc-signal-grid article:nth-child(2) { grid-column: span 3; margin-top: 58px; }
.page-changchun .cc-signal-grid article:nth-child(3) { grid-column: span 4; margin-top: 22px; }
.page-changchun .cc-signal-grid aside { grid-column: 3 / span 8; min-height: auto; border-left: 9px solid var(--wine); background: #f2eadc; color: #1d2a27; }
.page-changchun .cc-signal-grid b,.page-changchun .cc-signal-grid aside span { color: #9bcbbd; font-size: 12px; letter-spacing: .12em; }
.page-changchun .cc-signal-grid aside span { color: var(--wine); font-weight: 900; }
.page-changchun .cc-signal-grid h3 { margin: 62px 0 14px; font-size: 27px; line-height: 1.2; }
.page-changchun .cc-signal-grid p { margin: 0; color: #b4c1bd; line-height: 1.85; }
.page-changchun .cc-signal-grid aside p { color: #596762; }
.page-changchun .cc-monthly { background: #ebe4d8; }
.page-changchun .cc-split { display: grid; grid-template-columns: minmax(0,1fr) minmax(420px,.8fr); align-items: center; gap: 72px; }
.page-changchun .cc-split.is-reversed { grid-template-columns: minmax(420px,.82fr) minmax(0,1.18fr); }
.page-changchun .cc-image-card { margin: 0; padding: 16px 16px 0; border: 1px solid var(--cc-line); border-left: 14px solid var(--accent); background: #f7f1e5; box-shadow: 22px 22px 0 rgba(18,60,54,.09); }
.page-changchun .cc-image-card img { display: block; width: 100%; height: auto; aspect-ratio: 3/2; object-fit: cover; }
.page-changchun .cc-image-card figcaption { padding: 20px 8px 22px; color: #5b6964; font-size: 13px; line-height: 1.7; }
.page-changchun .cc-monthly-copy h2,.page-changchun .cc-growth-copy h2 { margin: 0; font-size: clamp(43px,3.7vw,46px); line-height: 1.08; letter-spacing: -.055em; }
.page-changchun .cc-monthly-copy > p:not(.city-eyebrow),.page-changchun .cc-growth-copy > p:not(.city-eyebrow) { color: #5e6c67; line-height: 1.9; }
.page-changchun .cc-month-list { display: grid; gap: 0; margin: 28px 0; padding: 0; list-style: none; border-top: 1px solid var(--cc-line); }
.page-changchun .cc-month-list li { display: grid; grid-template-columns: 46px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--cc-line); }
.page-changchun .cc-month-list li > span { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--wine); color: #fff; font-weight: 900; }
.page-changchun .cc-month-list strong { font-size: 16px; }
.page-changchun .cc-month-list p { margin: 6px 0 0; color: #68746f; font-size: 13px; line-height: 1.7; }
.page-changchun .cc-text-link { color: var(--accent-deep); font-weight: 900; }
.page-changchun .cc-platform { background: #f9f5ec; }
.page-changchun .cc-platform-board { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; }
.page-changchun .cc-platform-board > figure { margin: 0; padding: 12px; border: 1px solid var(--cc-line); background: #17201f; }
.page-changchun .cc-platform-board > figure img { display: block; width: 100%; height: auto; }
.page-changchun .cc-platform-board > figure figcaption { padding: 14px 6px 4px; color: #aebbb7; font-size: 12px; }
.page-changchun .cc-workspaces { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.page-changchun .cc-workspaces article { min-height: 210px; padding: 26px; border: 1px solid var(--cc-line); background: #ede6da; }
.page-changchun .cc-workspaces article:nth-child(2),.page-changchun .cc-workspaces article:nth-child(3) { background: #dce7e2; }
.page-changchun .cc-workspaces span { color: var(--wine); font-size: 11px; font-weight: 900; letter-spacing: .1em; }
.page-changchun .cc-workspaces h3 { margin: 38px 0 10px; font-size: 24px; }
.page-changchun .cc-workspaces p { margin: 0; color: #5f6b67; font-size: 13px; line-height: 1.75; }
.page-changchun .cc-boundary { margin: 24px 0 0; padding: 20px 24px; border: 1px solid var(--cc-line); background: #fff; color: #5b6864; line-height: 1.8; }
.page-changchun .cc-growth { background: #dfe8e3; }
.page-changchun .cc-growth-steps { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 28px 0; }
.page-changchun .cc-growth-steps div { min-height: 130px; padding: 22px; border: 1px solid rgba(18,60,54,.17); background: rgba(255,255,255,.38); }
.page-changchun .cc-growth-steps b { display: block; margin-bottom: 20px; color: var(--wine); }
.page-changchun .cc-growth-steps span { color: #61706a; font-size: 13px; line-height: 1.7; }
.page-changchun .cc-system-links { display: flex; flex-wrap: wrap; gap: 10px; }
.page-changchun .cc-system-links a { padding: 12px 15px; border: 1px solid rgba(18,60,54,.22); color: var(--accent-deep); font-size: 13px; font-weight: 900; text-decoration: none; }
.page-changchun .cc-articles { background: #efe9de; }
.page-changchun .cc-article-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 16px; }
.page-changchun .cc-article { position: relative; min-height: 290px; padding: 30px; border: 1px solid var(--cc-line); background: #fffdf8; color: inherit; text-decoration: none; transition: transform .25s ease,box-shadow .25s ease; }
.page-changchun .cc-article.is-featured { grid-row: span 2; min-height: 596px; background: var(--accent-deep); color: #fff; }
.page-changchun .cc-article span { color: var(--wine); font-size: 11px; font-weight: 900; letter-spacing: .1em; }
.page-changchun .cc-article.is-featured span { color: #9bcbbd; }
.page-changchun .cc-article h3 { margin: 64px 0 14px; font-size: 23px; line-height: 1.35; }
.page-changchun .cc-article.is-featured h3 { margin-top: 170px; font-size: 34px; }
.page-changchun .cc-article p { color: #66736e; line-height: 1.75; }
.page-changchun .cc-article.is-featured p { color: #b8c7c2; }
.page-changchun .cc-article i { position: absolute; bottom: 28px; left: 30px; font-style: normal; font-size: 12px; font-weight: 900; }
.page-changchun .cc-article:hover { transform: translateY(-5px); box-shadow: 12px 12px 0 rgba(18,60,54,.09); }
.page-changchun .cc-faq { background: #fffdf8; }
.page-changchun .cc-faq .faq-list summary { position: relative; padding-right: 52px; }
.page-changchun .cc-faq .faq-list summary::after { position: absolute; right: 8px; content: "+"; color: var(--wine); font-size: 26px; font-weight: 400; }
.page-changchun .cc-faq .faq-list details[open] summary::after { content: "−"; }
.page-changchun .cc-faq .faq-list details p { max-width: 860px; padding: 0 0 22px; }
.page-changchun .cc-final { background: #142321; }
.page-changchun .cc-final .city-shell { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.page-changchun .cc-final p { margin: 0 0 8px; color: #9bcbbd; font-size: 13px; font-weight: 900; }
.page-changchun .cc-final h2 { margin: 0; font-size: clamp(36px,3.7vw,46px); line-height: 1.06; letter-spacing: -.05em; }
.page-changchun .cc-final a { flex: 0 0 auto; padding: 15px 20px; border: 1px solid rgba(255,255,255,.28); color: #fff; font-weight: 900; text-decoration: none; }
@media (max-width: 1100px) {
  .page-changchun .cc-hero-grid { grid-template-columns: 1fr 1fr; }
  .page-changchun .cc-hero-visual { width: calc(100% + 8vw); margin-right: -8vw; }
  .page-changchun .cc-hero h1 { font-size: 52px; }
  .page-changchun .cc-platform-board,.page-changchun .cc-split,.page-changchun .cc-split.is-reversed { grid-template-columns: 1fr; }
  .page-changchun .cc-article-grid { grid-template-columns: 1fr 1fr; }
  .page-changchun .cc-article.is-featured { grid-column: 1 / -1; grid-row: auto; min-height: 420px; }
  .page-changchun .cc-article.is-featured h3 { margin-top: 100px; }
}
@media (max-width: 760px) {
  .page-changchun .cc-hero { padding-bottom: 64px; }
  .page-changchun .cc-hero-grid { grid-template-columns: 1fr; gap: 18px; min-height: 0; }
  .page-changchun .cc-hero-copy { padding: 38px 0 8px; }
  .page-changchun .cc-hero h1 { font-size: 38px; line-height: 1.04; }
  .page-changchun .cc-hero-lead { margin-top: 20px; font-size: 15px; }
  .page-changchun .cc-hero-actions { margin: 26px 0 30px; }
  .page-changchun .cc-button { flex: 1 1 140px; }
  .page-changchun .cc-hero-index div { grid-template-columns: 68px 1fr; gap: 12px; }
  .page-changchun .cc-hero-visual { width: calc(100% + 28px); margin: 0 -14px; padding: 10px 0 42px 10px; }
  .page-changchun .cc-hero-visual picture { min-height: 0; }
  .page-changchun .cc-hero-visual img { height: auto; aspect-ratio: 3/4; object-fit: cover; }
  .page-changchun .cc-hero-visual figcaption { right: 18px; width: calc(100% - 54px); padding: 16px 18px; }
  .page-changchun .cc-hero-spines { display: none; }
  .page-changchun .city-section { padding: 76px 0; }
  .page-changchun .city-section h2,.page-changchun .cc-monthly-copy h2,.page-changchun .cc-growth-copy h2 { font-size: 31px; }
  .page-changchun .cc-stage-switch { overflow-x: auto; padding-bottom: 4px; }
  .page-changchun .cc-stage-switch button { flex: 0 0 auto; }
  .page-changchun .cc-stage-panel { grid-template-columns: 1fr; gap: 10px; padding: 20px; }
  .page-changchun .cc-cascade { grid-template-columns: 1fr; }
  .page-changchun .cc-book-register { grid-row: auto; }
  .page-changchun .cc-book-address { margin-top: 0; }
  .page-changchun .cc-book-transition { grid-column: auto; width: 100%; margin-left: 0; }
  .page-changchun .cc-book { padding: 28px 24px 28px 34px; }
  .page-changchun .cc-book-register { padding: 0; }
  .page-changchun .cc-book-copy { padding: 26px 24px 30px 34px; }
  .page-changchun .cc-book h3 { font-size: 24px; }
  .page-changchun .cc-signal-grid { grid-template-columns: 1fr; }
  .page-changchun .cc-signal-grid article:nth-child(n),.page-changchun .cc-signal-grid aside { grid-column: auto; margin-top: 0; min-height: 260px; }
  .page-changchun .cc-signal-grid aside { min-height: auto; }
  .page-changchun .cc-signal-grid h3 { margin-top: 44px; font-size: 24px; }
  .page-changchun .cc-split,.page-changchun .cc-split.is-reversed { gap: 42px; }
  .page-changchun .cc-workspaces { grid-template-columns: 1fr; }
  .page-changchun .cc-workspaces article { min-height: 180px; }
  .page-changchun .cc-growth-steps { grid-template-columns: 1fr; }
  .page-changchun .cc-article-grid { grid-template-columns: 1fr; }
  .page-changchun .cc-article,.page-changchun .cc-article.is-featured { grid-column: auto; min-height: 310px; }
  .page-changchun .cc-article.is-featured h3 { margin-top: 70px; font-size: 27px; }
  .page-changchun .cc-article h3 { margin-top: 48px; font-size: 21px; }
  .page-changchun .cc-final .city-shell { align-items: flex-start; flex-direction: column; }
  .page-changchun .cc-final h2 { font-size: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  .page-changchun .cc-article,.page-changchun .cc-stage-switch button { transition: none; }
  .page-changchun .cc-article:hover { transform: none; }
}