.page-haerbin {
  --hb-navy: #10233f;
  --hb-navy-2: #1a3151;
  --hb-frost: #dfe9f0;
  --hb-blue: #95b4ca;
  --hb-brick: #7c382f;
  --hb-amber: #f2a74d;
  --hb-paper: #f3efe4;
  --hb-line: rgba(26, 49, 81, .15);
  --accent: #a6523d;
  background: #eef1f3;
}
.page-haerbin .city-main { background: #eef1f3; }
.page-haerbin .city-eyebrow { color: var(--hb-amber); }
.page-haerbin .hb-hero { position: relative; min-height: 910px; overflow: hidden; background: var(--hb-navy); color: #fff; }
.page-haerbin .hb-hero-media { position: absolute; inset: 0; }
.page-haerbin .hb-hero-media img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.page-haerbin .hb-hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,18,36,.55), rgba(9,28,50,.06) 46%, rgba(5,17,34,.48)), linear-gradient(0deg, rgba(6,20,38,.92), transparent 52%); }
.page-haerbin .hb-hero-spine { position: absolute; z-index: 2; top: 100px; bottom: 0; left: 0; display: flex; width: 52px; flex-direction: column; align-items: center; justify-content: center; gap: 18px; border-right: 1px solid rgba(255,255,255,.16); background: rgba(7,22,41,.68); }
.page-haerbin .hb-hero-spine span { color: #9fb3c1; font-size: 8px; font-weight: 900; letter-spacing: .17em; writing-mode: vertical-rl; }
.page-haerbin .hb-hero-spine i { width: 8px; height: 8px; border: 2px solid var(--hb-amber); border-radius: 50%; }
.page-haerbin .hb-hero-shell { position: relative; z-index: 3; min-height: 910px; }
.page-haerbin .hb-hero .city-crumb { color: #a8bac5; }
.page-haerbin .hb-hero .city-crumb strong { color: #fff; }
.page-haerbin .hb-hero-copy { width: min(610px, 54%); margin-left: auto; padding-top: 108px; }
.page-haerbin .hb-hero h1 { margin: 0; font-size: clamp(52px, 4.6vw, 60px); line-height: 1.03; letter-spacing: -.06em; text-shadow: 0 4px 30px rgba(0,0,0,.3); }
.page-haerbin .hb-hero h1 em { display: block; margin-top: 12px; color: #d6e7ef; font-style: normal; }
.page-haerbin .hb-hero-copy > p:not(.city-eyebrow) { max-width: 580px; margin: 26px 0 0; color: #c4d1d9; font-size: 16px; line-height: 1.9; }
.page-haerbin .hb-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.page-haerbin .hb-hero-actions a { display: inline-flex; min-height: 50px; align-items: center; justify-content: space-between; gap: 30px; padding: 0 22px; border: 1px solid rgba(255,255,255,.25); border-radius: 4px; color: #fff; text-decoration: none; font-size: 13px; font-weight: 900; }
.page-haerbin .hb-hero-actions a:first-child { border-color: var(--hb-amber); background: var(--hb-amber); color: #271608; }
.page-haerbin .hb-process-board { position: absolute; right: 0; bottom: 40px; left: 0; display: grid; grid-template-columns: repeat(5, 1fr); overflow: hidden; border: 1px solid rgba(255,255,255,.18); border-radius: 10px; background: rgba(7,24,43,.82); box-shadow: 0 22px 60px rgba(0,0,0,.3); backdrop-filter: blur(14px); }
.page-haerbin .hb-process-board::before { position: absolute; top: 35px; right: 8%; left: 8%; height: 2px; background: linear-gradient(90deg, var(--hb-amber), #e7d5b9); content: ""; }
.page-haerbin .hb-process-board div { position: relative; z-index: 1; min-height: 132px; padding: 26px 22px 18px; border-right: 1px solid rgba(255,255,255,.14); }
.page-haerbin .hb-process-board div:last-child { border-right: 0; }
.page-haerbin .hb-process-board i { display: grid; width: 20px; height: 20px; margin-bottom: 18px; place-items: center; border: 2px solid var(--hb-amber); border-radius: 50%; background: var(--hb-navy); color: transparent; font-style: normal; }
.page-haerbin .hb-process-board strong,
.page-haerbin .hb-process-board span { display: block; }
.page-haerbin .hb-process-board strong { margin-bottom: 6px; font-size: 15px; }
.page-haerbin .hb-process-board span { color: #9eb1be; font-size: 11px; }
.page-haerbin .hb-platform-stamp { position: absolute; top: 192px; left: 0; display: grid; width: 188px; min-height: 208px; place-content: center; padding: 24px; border: 1px solid rgba(255,255,255,.19); border-radius: 50%; background: rgba(8,25,45,.68); text-align: center; backdrop-filter: blur(12px); }
.page-haerbin .hb-platform-stamp span { color: #9db4c1; font-size: 8px; font-weight: 900; letter-spacing: .13em; }
.page-haerbin .hb-platform-stamp strong { color: var(--hb-amber); font-size: 72px; line-height: 1; }
.page-haerbin .hb-platform-stamp small { color: #dbe5e9; }
.page-haerbin .hb-platform-stamp b { margin-top: 8px; color: #9db4c1; font-size: 10px; }
.page-haerbin .hb-file { padding: 120px 0; background: #e8ecef; }
.page-haerbin .hb-file-layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 42px; align-items: start; }
.page-haerbin .hb-index { position: sticky; top: 116px; padding: 30px 26px; border-left: 10px solid var(--hb-navy); border-radius: 3px 18px 18px 3px; background: #f7f3e9; box-shadow: 0 20px 50px rgba(17,35,61,.09); }
.page-haerbin .hb-index::after { position: absolute; top: 0; right: 13px; bottom: 0; width: 1px; background: rgba(124,56,47,.17); content: ""; }
.page-haerbin .hb-index > small { color: var(--hb-brick); font-size: 9px; font-weight: 900; letter-spacing: .15em; }
.page-haerbin .hb-index h2 { margin: 22px 0; font-size: 34px; line-height: 1.12; letter-spacing: -.045em; }
.page-haerbin .hb-index nav { display: grid; margin: 24px -10px; border-top: 1px solid var(--hb-line); }
.page-haerbin .hb-index nav a { display: grid; grid-template-columns: 30px 1fr; gap: 10px; padding: 14px 8px; border-bottom: 1px solid var(--hb-line); color: #66717d; text-decoration: none; font-size: 12px; font-weight: 850; }
.page-haerbin .hb-index nav a i { color: #a35a45; font-style: normal; font-size: 9px; }
.page-haerbin .hb-index nav a.is-active { padding-left: 14px; background: var(--hb-navy); color: #fff; }
.page-haerbin .hb-index > p { margin: 0; color: #69737c; font-size: 12px; line-height: 1.8; }
.page-haerbin .hb-chapters { display: grid; gap: 30px; }
.page-haerbin .hb-chapter { position: relative; scroll-margin-top: 116px; overflow: hidden; padding: 52px; border: 1px solid rgba(28,49,77,.12); border-left: 14px solid var(--hb-navy); border-radius: 4px 24px 24px 4px; background: var(--hb-paper); box-shadow: 0 22px 70px rgba(17,35,61,.07); }
.page-haerbin .hb-chapter::before { position: absolute; top: 0; right: 27px; bottom: 0; width: 1px; background: rgba(124,56,47,.13); content: ""; }
.page-haerbin .hb-page-tab { position: absolute; top: 28px; right: 0; padding: 10px 22px; border-radius: 12px 0 0 12px; background: var(--hb-brick); color: #fff; font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.page-haerbin .hb-chapter header { max-width: 850px; margin-bottom: 34px; }
.page-haerbin .hb-chapter header > span { color: #a25740; font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.page-haerbin .hb-chapter h2,
.page-haerbin .hb-reading h2,
.page-haerbin .hb-faq h2,
.page-haerbin .hb-final h2 { margin: 18px 0; font-size: 46px; line-height: 1.08; letter-spacing: -.055em; }
.page-haerbin .hb-chapter header p { margin: 0; color: #67737e; line-height: 1.9; }
.page-haerbin .hb-chapter figure { position: relative; margin: 0; overflow: hidden; border-radius: 16px; background: var(--hb-navy); }
.page-haerbin .hb-chapter figure img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }
.page-haerbin .hb-chapter figure figcaption { position: absolute; right: 16px; bottom: 16px; padding: 10px 14px; border-radius: 3px; background: rgba(9,26,48,.82); color: #dbe6eb; font-size: 9px; font-weight: 900; letter-spacing: .13em; }
.page-haerbin .hb-check-grid { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 22px; border-top: 1px solid var(--hb-line); border-left: 1px solid var(--hb-line); }
.page-haerbin .hb-check-grid div { min-height: 142px; padding: 20px 15px; border-right: 1px solid var(--hb-line); border-bottom: 1px solid var(--hb-line); }
.page-haerbin .hb-check-grid i { color: var(--hb-brick); font-style: normal; font-size: 9px; font-weight: 900; }
.page-haerbin .hb-check-grid b,
.page-haerbin .hb-check-grid span { display: block; }
.page-haerbin .hb-check-grid b { margin: 28px 0 6px; font-size: 16px; }
.page-haerbin .hb-check-grid span { color: #71808a; font-size: 11px; line-height: 1.6; }
.page-haerbin .hb-verify { display: grid; grid-template-columns: auto 1fr; gap: 15px; margin: 22px 0 0; padding: 18px 20px; border-radius: 4px; background: #e4e9eb; color: #687782; font-size: 12px; line-height: 1.8; }
.page-haerbin .hb-verify b { color: var(--hb-brick); }
.page-haerbin .hb-ledger-spread { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; }
.page-haerbin .hb-ledger-spread figure img { height: 100%; }
.page-haerbin .hb-ledger-list { padding: 30px; border-radius: 16px; background: var(--hb-navy); color: #fff; }
.page-haerbin .hb-ledger-list small { color: var(--hb-amber); font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.page-haerbin .hb-ledger-list div { padding: 24px 0; border-bottom: 1px solid rgba(255,255,255,.13); }
.page-haerbin .hb-ledger-list div:last-child { border-bottom: 0; }
.page-haerbin .hb-ledger-list b,
.page-haerbin .hb-ledger-list span { display: block; }
.page-haerbin .hb-ledger-list b { margin-bottom: 8px; color: #fff; font-size: 14px; }
.page-haerbin .hb-ledger-list span { color: #9eb1bd; font-size: 12px; line-height: 1.7; }
.page-haerbin .hb-change-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.page-haerbin .hb-change-cards a { display: flex; min-height: 330px; flex-direction: column; padding: 28px; border: 1px solid var(--hb-line); border-radius: 12px; background: #fff; color: var(--hb-navy); text-decoration: none; }
.page-haerbin .hb-change-cards a:nth-child(2) { background: var(--hb-navy); color: #fff; }
.page-haerbin .hb-change-cards i { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid currentColor; border-radius: 50%; color: var(--hb-brick); font-style: normal; font-size: 10px; }
.page-haerbin .hb-change-cards span { margin-top: 50px; color: #a15d4a; font-size: 8px; font-weight: 900; letter-spacing: .14em; }
.page-haerbin .hb-change-cards h3 { margin: 12px 0; font-size: 24px; }
.page-haerbin .hb-change-cards p { margin: 0; color: #6d7882; font-size: 12px; line-height: 1.8; }
.page-haerbin .hb-change-cards a:nth-child(2) p { color: #a8b7c1; }
.page-haerbin .hb-change-cards b { margin-top: auto; color: #c66a48; font-size: 11px; }
.page-haerbin .hb-platform-screen { padding: 34px; background: var(--hb-navy); }
.page-haerbin .hb-platform-screen img { border: 1px solid rgba(255,255,255,.14); border-radius: 10px; box-shadow: 0 22px 55px rgba(0,0,0,.32); }
.page-haerbin .hb-platform-screen figcaption { position: static; display: flex; justify-content: space-between; margin-bottom: 20px; padding: 0; background: none; }
.page-haerbin .hb-platform-screen figcaption span { color: #a7bbc6; }
.page-haerbin .hb-platform-screen figcaption b { color: var(--hb-amber); }
.page-haerbin .hb-workspaces { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 18px; border-top: 1px solid var(--hb-line); border-left: 1px solid var(--hb-line); }
.page-haerbin .hb-workspaces > div { min-height: 210px; padding: 22px; border-right: 1px solid var(--hb-line); border-bottom: 1px solid var(--hb-line); background: rgba(255,255,255,.4); }
.page-haerbin .hb-workspaces i { color: var(--hb-brick); font-style: normal; font-size: 9px; font-weight: 900; }
.page-haerbin .hb-workspaces h3 { margin: 32px 0 10px; font-size: 18px; }
.page-haerbin .hb-workspaces p { margin: 0; color: #6d7983; font-size: 11px; line-height: 1.7; }
.page-haerbin .hb-boundary { display: grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items: center; margin-top: 18px; padding: 20px; border-radius: 4px; background: #e1e6e8; }
.page-haerbin .hb-boundary b { color: var(--hb-brick); font-size: 12px; }
.page-haerbin .hb-boundary p { margin: 0; color: #66737d; font-size: 11px; line-height: 1.7; }
.page-haerbin .hb-boundary a { color: var(--hb-navy); text-decoration: none; font-size: 11px; font-weight: 900; white-space: nowrap; }
.page-haerbin .hb-growth-links { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.page-haerbin .hb-growth-links a { display: grid; grid-template-columns: 1fr auto; gap: 7px 18px; padding: 22px; border: 1px solid var(--hb-line); border-radius: 8px; background: #fff; color: var(--hb-navy); text-decoration: none; }
.page-haerbin .hb-growth-links small { grid-column: 1 / -1; color: var(--hb-brick); font-size: 8px; font-weight: 900; letter-spacing: .14em; }
.page-haerbin .hb-growth-links strong { font-size: 14px; }
.page-haerbin .hb-growth-links span { color: #74808a; font-size: 10px; }
.page-haerbin .hb-reading { background: var(--hb-navy); color: #fff; }
.page-haerbin .hb-reading-head { display: grid; grid-template-columns: 1.25fr .75fr; gap: 50px; align-items: end; margin-bottom: 40px; }
.page-haerbin .hb-reading-head .city-eyebrow { grid-column: 1 / -1; margin-bottom: -28px; }
.page-haerbin .hb-reading h2 { margin: 0; }
.page-haerbin .hb-reading-head > p:last-child { margin: 0; color: #a6b6c0; line-height: 1.9; }
.page-haerbin .hb-article-shelf { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; align-items: stretch; }
.page-haerbin .hb-article-shelf a { display: flex; min-height: 410px; flex-direction: column; padding: 24px 20px; border: 1px solid rgba(255,255,255,.15); border-bottom: 12px solid #d9d1c2; border-radius: 8px 8px 3px 3px; background: linear-gradient(90deg, rgba(255,255,255,.08), rgba(255,255,255,.025)); color: #fff; text-decoration: none; }
.page-haerbin .hb-article-shelf a:nth-child(even) { border-bottom-color: #9fb9c9; }
.page-haerbin .hb-article-shelf i { color: var(--hb-amber); font-style: normal; font-size: 26px; font-weight: 900; }
.page-haerbin .hb-article-shelf span { margin-top: 52px; color: #92a8b5; font-size: 9px; font-weight: 900; letter-spacing: .13em; }
.page-haerbin .hb-article-shelf h3 { margin: 14px 0; font-size: 18px; line-height: 1.5; }
.page-haerbin .hb-article-shelf b { margin-top: auto; color: var(--hb-amber); font-size: 10px; }
.page-haerbin .hb-faq { background: #f3efe4; }
.page-haerbin .hb-faq-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(480px, 1.2fr); gap: 70px; }
.page-haerbin .hb-faq-head { align-self: start; padding-left: 28px; border-left: 10px solid var(--hb-navy); }
.page-haerbin .hb-faq-head > p:last-child { color: #68747d; line-height: 1.9; }
.page-haerbin .hb-faq .faq-list details { border-color: rgba(26,49,81,.16); }
.page-haerbin .hb-faq .faq-list summary { display: grid; grid-template-columns: 35px 1fr auto; gap: 12px; align-items: center; }
.page-haerbin .hb-faq .faq-list summary i { color: var(--hb-brick); font-style: normal; font-size: 10px; }
.page-haerbin .hb-faq .faq-list summary b { color: var(--hb-brick); font-size: 22px; font-weight: 400; transition: transform .2s ease; }
.page-haerbin .hb-faq .faq-list details[open] summary b { transform: rotate(45deg); }
.page-haerbin .hb-faq .faq-list details p { padding: 0 47px 24px; }
.page-haerbin .hb-final { background: #0d203a; }
.page-haerbin .hb-final-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 70px; align-items: end; }
.page-haerbin .hb-final small { display: block; margin-bottom: 12px; color: var(--hb-amber); font-weight: 900; letter-spacing: .14em; }
.page-haerbin .hb-final h2 { margin: 0; }
.page-haerbin .hb-final p { margin: 0; color: #a5b6c1; line-height: 1.9; }

@media (max-width: 1080px) {
  .page-haerbin .hb-hero-copy { width: 62%; }
  .page-haerbin .hb-platform-stamp { left: 30px; }
  .page-haerbin .hb-file-layout { grid-template-columns: 220px minmax(0,1fr); gap: 24px; }
  .page-haerbin .hb-chapter { padding: 40px 34px; }
  .page-haerbin .hb-ledger-spread { grid-template-columns: 1fr; }
  .page-haerbin .hb-change-cards { grid-template-columns: 1fr; }
  .page-haerbin .hb-change-cards a { min-height: 260px; }
  .page-haerbin .hb-workspaces { grid-template-columns: 1fr 1fr; }
  .page-haerbin .hb-article-shelf { grid-template-columns: repeat(2, 1fr); }
  .page-haerbin .hb-article-shelf a:last-child { grid-column: 1 / -1; min-height: 290px; }
}

@media (max-width: 700px) {
  .page-haerbin .hb-hero { min-height: 1060px; }
  .page-haerbin .hb-hero-media img { object-position: center; }
  .page-haerbin .hb-hero-shade { background: linear-gradient(0deg, rgba(7,22,41,.88), rgba(8,25,46,.2) 48%, rgba(7,22,41,.86)); }
  .page-haerbin .hb-hero-spine { display: none; }
  .page-haerbin .hb-hero-shell { min-height: 1060px; }
  .page-haerbin .hb-hero-copy { width: 100%; margin: 0; padding-top: 28px; }
  .page-haerbin .hb-hero h1 { font-size: 38px; }
  .page-haerbin .hb-hero-copy > p:not(.city-eyebrow) { font-size: 14px; line-height: 1.8; }
  .page-haerbin .hb-hero-actions a { width: 100%; }
  .page-haerbin .hb-platform-stamp { top: auto; bottom: 357px; left: 14px; width: 134px; min-height: 134px; padding: 14px; }
  .page-haerbin .hb-platform-stamp strong { font-size: 46px; }
  .page-haerbin .hb-process-board { right: 14px; bottom: 20px; left: 14px; grid-template-columns: 1fr; }
  .page-haerbin .hb-process-board::before { top: 12%; bottom: 12%; left: 31px; width: 2px; height: auto; background: linear-gradient(0deg, var(--hb-amber), #e7d5b9); }
  .page-haerbin .hb-process-board div { display: grid; min-height: 57px; grid-template-columns: 30px 1fr; gap: 2px 12px; align-items: center; padding: 9px 14px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .page-haerbin .hb-process-board div:last-child { border-bottom: 0; }
  .page-haerbin .hb-process-board i { grid-row: 1 / span 2; width: 18px; height: 18px; margin: 0; }
  .page-haerbin .hb-process-board strong { margin: 0; }
  .page-haerbin .hb-file { padding: 72px 0; }
  .page-haerbin .hb-file-layout { grid-template-columns: minmax(0, 1fr); }
  .page-haerbin .hb-file-layout,
  .page-haerbin .hb-index,
  .page-haerbin .hb-chapters,
  .page-haerbin .hb-chapter { min-width: 0; }
  .page-haerbin .hb-index { position: static; top: auto; width: 100%; padding: 24px 20px; }
  .page-haerbin .hb-index h2 { font-size: 30px; }
  .page-haerbin .hb-index nav { grid-template-columns: repeat(5, 1fr); overflow-x: auto; }
  .page-haerbin .hb-index nav a { display: flex; min-width: 92px; flex-direction: column; padding: 12px 8px; }
  .page-haerbin .hb-index nav a.is-active { padding-left: 8px; }
  .page-haerbin .hb-chapter { scroll-margin-top: 76px; padding: 58px 20px 28px; border-left-width: 8px; }
  .page-haerbin .hb-page-tab { top: 18px; padding: 8px 16px; }
  .page-haerbin .hb-chapter h2,
  .page-haerbin .hb-reading h2,
  .page-haerbin .hb-faq h2,
  .page-haerbin .hb-final h2 { font-size: 32px; }
  .page-haerbin .hb-chapter figure img { min-height: 340px; object-fit: cover; }
  .page-haerbin .hb-check-grid { grid-template-columns: 1fr 1fr; }
  .page-haerbin .hb-check-grid div:last-child { grid-column: 1 / -1; }
  .page-haerbin .hb-verify { grid-template-columns: 1fr; }
  .page-haerbin .hb-ledger-list { padding: 24px 20px; }
  .page-haerbin .hb-change-cards a { min-height: 240px; padding: 22px; }
  .page-haerbin .hb-workspaces { grid-template-columns: 1fr; }
  .page-haerbin .hb-workspaces > div { min-height: 170px; }
  .page-haerbin .hb-boundary { grid-template-columns: 1fr; }
  .page-haerbin .hb-growth-links { grid-template-columns: 1fr; }
  .page-haerbin .hb-growth-links a { grid-template-columns: 1fr; }
  .page-haerbin .hb-reading-head,
  .page-haerbin .hb-faq-layout,
  .page-haerbin .hb-final-layout { grid-template-columns: 1fr; gap: 28px; }
  .page-haerbin .hb-reading-head .city-eyebrow { margin-bottom: 0; }
  .page-haerbin .hb-article-shelf { grid-template-columns: 1fr; }
  .page-haerbin .hb-article-shelf a,
  .page-haerbin .hb-article-shelf a:last-child { min-height: 280px; grid-column: auto; }
  .page-haerbin .hb-faq .faq-list details p { padding-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .page-haerbin .hb-faq .faq-list summary b { transition: none; }
}