.page-maanshan {
  --mas-ink: #081725;
  --mas-steel: #183043;
  --mas-cyan: #24d6e5;
  --mas-amber: #f3a745;
  --mas-paper: #eef3f5;
  --mas-muted: #667985;
  --mas-line: rgba(8, 23, 37, .14);
  background: #f4f7f8;
  color: var(--mas-ink);
}
.page-maanshan .city-eyebrow { color: var(--mas-cyan); }
.page-maanshan .mas-main { background: #f4f7f8; }
.page-maanshan .mas-hero { position: relative; min-height: 820px; overflow: hidden; background: var(--mas-ink); color: #fff; }
.page-maanshan .mas-hero::before { position: absolute; inset: 0; background: radial-gradient(circle at 88% 38%, rgba(36,214,229,.14), transparent 28%), linear-gradient(120deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: auto, 42px 42px; content: ""; }
.page-maanshan .mas-hero .city-crumb { position: relative; z-index: 2; color: #7f95a3; }
.page-maanshan .mas-hero .city-crumb strong { color: #fff; }
.page-maanshan .mas-hero-stage { position: relative; display: grid; grid-template-columns: minmax(390px, .85fr) minmax(560px, 1.15fr); gap: 46px; align-items: center; padding: 42px 0 24px; }
.page-maanshan .mas-hero-copy { position: relative; z-index: 3; }
.page-maanshan .mas-hero-copy h1 { margin: 0; max-width: 650px; font-size: clamp(52px, 5vw, 60px); line-height: 1.02; letter-spacing: -.06em; }
.page-maanshan .mas-hero-copy h1 span { display: block; color: #9de8ee; }
.page-maanshan .mas-hero-copy > p:not(.city-eyebrow) { max-width: 590px; margin: 28px 0 32px; color: #abc0cb; font-size: 17px; line-height: 1.9; }
.page-maanshan .mas-hero-copy > a { display: inline-flex; align-items: center; gap: 30px; min-height: 54px; padding: 0 8px 0 22px; border: 1px solid rgba(255,255,255,.2); color: #fff; font-weight: 900; text-decoration: none; }
.page-maanshan .mas-hero-copy > a i { display: grid; width: 38px; height: 38px; place-items: center; background: var(--mas-cyan); color: var(--mas-ink); font-style: normal; }
.page-maanshan .mas-hero-visual { position: relative; z-index: 1; margin: 0; min-height: 540px; overflow: hidden; border-radius: 44px 4px 44px 4px; box-shadow: 0 40px 100px rgba(0,0,0,.42); }
.page-maanshan .mas-hero-visual::after { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,23,37,.32), transparent 42%), linear-gradient(0deg, rgba(8,23,37,.72), transparent 35%); content: ""; }
.page-maanshan .mas-hero-visual img { display: block; width: 100%; height: 100%; min-height: 540px; object-fit: cover; }
.page-maanshan .mas-hero-visual figcaption { position: absolute; left: 30px; bottom: 26px; z-index: 2; display: flex; align-items: center; gap: 14px; padding: 11px 15px; background: rgba(8,23,37,.82); backdrop-filter: blur(12px); }
.page-maanshan .mas-hero-visual figcaption span { color: #7e96a4; font-size: 10px; letter-spacing: .15em; }
.page-maanshan .mas-hero-visual figcaption b { font-size: 13px; }
.page-maanshan .mas-node-switch { position: absolute; right: 24px; bottom: -34px; z-index: 4; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; width: min(610px, 58%); }
.page-maanshan .mas-node-switch button { position: relative; min-height: 78px; border: 1px solid rgba(255,255,255,.18); background: #132b3c; color: #fff; cursor: pointer; text-align: left; }
.page-maanshan .mas-node-switch button::before { position: absolute; top: 20px; right: -8px; width: 10px; height: 10px; border-radius: 50%; background: var(--mas-cyan); box-shadow: 0 0 16px var(--mas-cyan); content: ""; }
.page-maanshan .mas-node-switch button:last-child::before { display: none; }
.page-maanshan .mas-node-switch i { display: block; color: #718a98; font-size: 10px; font-style: normal; }
.page-maanshan .mas-node-switch span { display: block; margin-top: 8px; font-size: 14px; font-weight: 900; }
.page-maanshan .mas-node-switch button.is-active { border-color: var(--mas-cyan); background: var(--mas-cyan); color: var(--mas-ink); }
.page-maanshan .mas-node-switch button.is-active i { color: #1e6670; }
.page-maanshan .mas-node-switch button.is-active::before { background: var(--mas-amber); box-shadow: 0 0 18px var(--mas-amber); }
.page-maanshan .mas-hero-stats { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, 115px) 1fr; gap: 8px; margin: 60px 0 38px; }
.page-maanshan .mas-hero-stats div { padding: 17px 18px; border-top: 2px solid var(--mas-cyan); background: #11293a; }
.page-maanshan .mas-hero-stats b { display: block; font-size: 30px; letter-spacing: -.04em; }
.page-maanshan .mas-hero-stats span { color: #8fa4b0; font-size: 11px; }
.page-maanshan .mas-hero-stats p { margin: 0; padding: 17px 20px; border-left: 1px solid rgba(255,255,255,.13); color: #718b99; font-size: 10px; letter-spacing: .12em; }
.page-maanshan .mas-hero-stats strong { color: var(--mas-amber); font-size: 14px; }

.page-maanshan .mas-section-head { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(300px, .65fr); gap: 68px; align-items: end; margin-bottom: 46px; }
.page-maanshan .mas-section-head h2,
.page-maanshan .mas-register-copy h2,
.page-maanshan .mas-platform-head h2,
.page-maanshan .mas-growth-copy h2,
.page-maanshan .mas-faq-head h2 { margin: 0; font-size: clamp(43px, 4.2vw, 47px); line-height: 1.08; letter-spacing: -.055em; }
.page-maanshan .mas-section-head > p,
.page-maanshan .mas-platform-head > p:last-child,
.page-maanshan .mas-growth-copy > p:last-of-type,
.page-maanshan .mas-faq-head > p:last-child { margin: 0; color: var(--mas-muted); font-size: 16px; line-height: 1.88; }
.page-maanshan .mas-bento { background: #edf3f5; }
.page-maanshan .mas-bento-grid { display: grid; grid-template-columns: 1.25fr .75fr 1fr; grid-template-rows: 250px 250px; gap: 12px; }
.page-maanshan .mas-bento-grid article { position: relative; min-width: 0; padding: 28px; overflow: hidden; background: #fff; border: 1px solid var(--mas-line); }
.page-maanshan .mas-bento-grid .is-wide { grid-column: 1 / 3; }
.page-maanshan .mas-bento-grid .is-tall { grid-column: 3; grid-row: 1 / 3; background: var(--mas-steel); color: #fff; }
.page-maanshan .mas-bento-grid .is-signal { background: #0d2231; color: #fff; }
.page-maanshan .mas-bento-grid article > span { color: #6b8592; font-size: 10px; font-weight: 900; letter-spacing: .15em; }
.page-maanshan .mas-bento-grid h3 { margin: 26px 0 14px; font-size: 29px; letter-spacing: -.04em; }
.page-maanshan .mas-bento-grid p { max-width: 610px; margin: 0; color: var(--mas-muted); line-height: 1.78; }
.page-maanshan .mas-bento-grid .is-tall p,
.page-maanshan .mas-bento-grid .is-signal p { color: #aebdc6; }
.page-maanshan .mas-bento-grid .is-tall b { position: absolute; left: 28px; bottom: 28px; color: var(--mas-cyan); font-size: 12px; letter-spacing: .12em; }
.page-maanshan .mas-pulse { position: absolute; right: 32px; bottom: 30px; display: flex; align-items: center; }
.page-maanshan .mas-pulse i { position: relative; display: block; width: 60px; height: 2px; background: var(--mas-cyan); }
.page-maanshan .mas-pulse i::before { position: absolute; left: 0; top: -5px; width: 12px; height: 12px; border-radius: 50%; background: var(--mas-amber); box-shadow: 0 0 16px var(--mas-amber); content: ""; }
.page-maanshan .is-signal i { position: absolute; width: 13px; height: 13px; border-radius: 50%; background: var(--mas-cyan); box-shadow: 0 0 20px var(--mas-cyan); }
.page-maanshan .is-signal i:nth-of-type(1) { right: 28px; top: 28px; }
.page-maanshan .is-signal i:nth-of-type(2) { right: 80px; top: 72px; }
.page-maanshan .is-signal i:nth-of-type(3) { right: 38px; bottom: 30px; background: var(--mas-amber); box-shadow: 0 0 20px var(--mas-amber); }

.page-maanshan .mas-register { background: #fff; }
.page-maanshan .mas-register-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(440px, .92fr); gap: 74px; align-items: center; }
.page-maanshan .mas-register figure { position: relative; margin: 0; padding: 12px 12px 50px; background: var(--mas-steel); border-radius: 4px 40px 4px 40px; box-shadow: 18px 20px 0 #dbe6ea; }
.page-maanshan .mas-register figure::before { position: absolute; top: -20px; left: 42px; width: 80px; height: 20px; background: var(--mas-cyan); content: ""; }
.page-maanshan .mas-register figure img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.page-maanshan .mas-register figcaption { position: absolute; left: 18px; bottom: 17px; color: #a9bdc8; font-size: 10px; letter-spacing: .13em; }
.page-maanshan .mas-register-copy > p:not(.city-eyebrow) { margin: 25px 0 28px; color: var(--mas-muted); font-size: 16px; line-height: 1.88; }
.page-maanshan .mas-register-copy ul { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 0; padding: 0; list-style: none; }
.page-maanshan .mas-register-copy li { position: relative; min-height: 142px; padding: 18px; border: 1px solid var(--mas-line); background: #f4f7f8; }
.page-maanshan .mas-register-copy li b { color: var(--mas-cyan); font-size: 11px; }
.page-maanshan .mas-register-copy li span { display: block; margin-top: 12px; font-weight: 900; }
.page-maanshan .mas-register-copy li p { margin: 8px 0 0; color: var(--mas-muted); font-size: 13px; line-height: 1.65; }
.page-maanshan .mas-register-copy small { display: block; margin-top: 18px; padding-left: 17px; border-left: 3px solid var(--mas-amber); color: #647885; line-height: 1.65; }

.page-maanshan .mas-accounting { background: var(--mas-ink); color: #fff; }
.page-maanshan .mas-section-head.is-dark > p { color: #9eb1bc; }
.page-maanshan .mas-accounting-board { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(360px, .7fr); gap: 14px; }
.page-maanshan .mas-accounting-board > figure { position: relative; margin: 0; overflow: hidden; border-radius: 34px 3px 34px 3px; }
.page-maanshan .mas-accounting-board > figure img { display: block; width: 100%; height: 100%; min-height: 610px; object-fit: cover; }
.page-maanshan .mas-evidence-nodes { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.page-maanshan .mas-evidence-nodes article { position: relative; min-height: 300px; padding: 24px; background: #122c3e; border-top: 2px solid var(--mas-cyan); }
.page-maanshan .mas-evidence-nodes article:nth-child(2n) { border-color: var(--mas-amber); }
.page-maanshan .mas-evidence-nodes i { position: absolute; right: 22px; top: 22px; width: 12px; height: 12px; border-radius: 50%; background: var(--mas-cyan); box-shadow: 0 0 18px var(--mas-cyan); }
.page-maanshan .mas-evidence-nodes article:nth-child(2n) i { background: var(--mas-amber); box-shadow: 0 0 18px var(--mas-amber); }
.page-maanshan .mas-evidence-nodes b { display: block; margin-top: 122px; font-size: 18px; }
.page-maanshan .mas-evidence-nodes p { margin: 13px 0 0; color: #9eb1bc; font-size: 13px; line-height: 1.75; }

.page-maanshan .mas-platform { background: #dfe9ed; }
.page-maanshan .mas-platform-head { display: grid; grid-template-columns: 1fr minmax(320px, .55fr); gap: 34px 72px; align-items: end; margin-bottom: 44px; }
.page-maanshan .mas-platform-head .city-eyebrow { grid-column: 1 / -1; margin-bottom: -16px; color: #078c9a; }
.page-maanshan .mas-platform-bento { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(2, minmax(160px, .5fr)); grid-template-rows: 1fr 1fr; gap: 8px; }
.page-maanshan .mas-platform-bento figure { position: relative; grid-row: 1 / 3; margin: 0; padding: 12px 12px 48px; background: var(--mas-ink); }
.page-maanshan .mas-platform-bento figure img { display: block; width: 100%; height: 100%; min-height: 470px; object-fit: contain; background: #0b2030; }
.page-maanshan .mas-platform-bento figcaption { position: absolute; left: 18px; bottom: 16px; color: #8fa5b1; font-size: 10px; letter-spacing: .13em; }
.page-maanshan .mas-platform-bento figcaption b { color: var(--mas-amber); }
.page-maanshan .mas-platform-bento article { position: relative; min-height: 235px; padding: 24px; background: #f8fbfc; }
.page-maanshan .mas-platform-bento article i { color: rgba(8,23,37,.13); font-size: 56px; font-style: normal; font-weight: 900; }
.page-maanshan .mas-platform-bento h3 { margin: 45px 0 10px; font-size: 22px; }
.page-maanshan .mas-platform-bento p { margin: 0; color: var(--mas-muted); line-height: 1.7; }

.page-maanshan .mas-growth { background: #fff; }
.page-maanshan .mas-growth-layout { display: grid; grid-template-columns: minmax(400px, .75fr) minmax(0, 1.25fr); gap: 74px; align-items: center; }
.page-maanshan .mas-growth-copy > p:last-of-type { margin: 24px 0 30px; }
.page-maanshan .mas-growth-copy ol { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.page-maanshan .mas-growth-copy li { position: relative; display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding: 18px 0 18px 24px; border-top: 1px solid var(--mas-line); }
.page-maanshan .mas-growth-copy li::before { position: absolute; left: 0; top: 24px; width: 10px; height: 10px; border-radius: 50%; background: var(--mas-cyan); box-shadow: 0 0 12px var(--mas-cyan); content: ""; }
.page-maanshan .mas-growth-copy li span { color: var(--mas-muted); font-size: 13px; }
.page-maanshan .mas-growth figure { position: relative; margin: 0; padding: 12px 12px 48px; background: #142c3c; border-radius: 40px 4px 40px 4px; }
.page-maanshan .mas-growth figure img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.page-maanshan .mas-growth figcaption { position: absolute; left: 19px; bottom: 16px; color: #8aa1ae; font-size: 10px; letter-spacing: .15em; }

.page-maanshan .mas-articles { background: #edf2f4; }
.page-maanshan .mas-article-route { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.page-maanshan .mas-article-route::before { position: absolute; left: 4%; right: 4%; top: 50px; height: 2px; background: linear-gradient(90deg, var(--mas-cyan), var(--mas-amber)); content: ""; }
.page-maanshan .mas-article-route a { position: relative; display: flex; min-height: 330px; padding: 24px; background: #fff; color: var(--mas-ink); text-decoration: none; flex-direction: column; }
.page-maanshan .mas-article-route a:nth-child(2n) { margin-top: 34px; background: var(--mas-steel); color: #fff; }
.page-maanshan .mas-article-route i { position: relative; z-index: 1; display: grid; width: 48px; height: 48px; border-radius: 50%; place-items: center; background: var(--mas-cyan); color: var(--mas-ink); font-style: normal; font-weight: 900; box-shadow: 0 0 0 9px #edf2f4; }
.page-maanshan .mas-article-route a:nth-child(2n) i { background: var(--mas-amber); }
.page-maanshan .mas-article-route span { margin-top: auto; color: #078c9a; font-size: 10px; font-weight: 900; letter-spacing: .13em; }
.page-maanshan .mas-article-route h3 { margin: 12px 0 24px; font-size: 18px; line-height: 1.55; }
.page-maanshan .mas-article-route b { font-size: 11px; }

.page-maanshan .mas-faq { background: #f8fbfc; }
.page-maanshan .mas-faq-layout { display: grid; grid-template-columns: minmax(330px, .7fr) minmax(0, 1.3fr); gap: 78px; align-items: start; }
.page-maanshan .mas-faq-head { position: sticky; top: 104px; }
.page-maanshan .mas-faq-head > p:last-child { margin-top: 24px; }
.page-maanshan .faq-list details { border-color: rgba(8,23,37,.13); background: #fff; }
.page-maanshan .faq-list summary i { color: #078c9a; }

.page-maanshan .mas-final { padding: 92px 0; background: #0c2232; color: #fff; }
.page-maanshan .mas-final-inner { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(320px, .7fr); gap: 72px; align-items: end; }
.page-maanshan .mas-final small { color: var(--mas-cyan); font-weight: 900; letter-spacing: .14em; }
.page-maanshan .mas-final h2 { max-width: 760px; margin: 18px 0 0; font-size: clamp(43px, 4.2vw, 47px); line-height: 1.08; letter-spacing: -.055em; }
.page-maanshan .mas-final p { margin: 0; color: #9fb2bd; font-size: 15px; line-height: 1.86; }

@media (max-width: 1100px) {
  .page-maanshan .mas-hero-stage { grid-template-columns: .8fr 1.2fr; gap: 30px; }
  .page-maanshan .mas-node-switch { width: 61%; }
  .page-maanshan .mas-register-grid,
  .page-maanshan .mas-growth-layout { gap: 42px; }
  .page-maanshan .mas-accounting-board { grid-template-columns: 1fr; }
  .page-maanshan .mas-accounting-board > figure img { min-height: 0; }
  .page-maanshan .mas-evidence-nodes article { min-height: 220px; }
  .page-maanshan .mas-evidence-nodes b { margin-top: 70px; }
  .page-maanshan .mas-article-route { grid-template-columns: repeat(3, 1fr); }
  .page-maanshan .mas-article-route::before { display: none; }
  .page-maanshan .mas-article-route a:nth-child(2n) { margin-top: 0; }
}

@media (max-width: 820px) {
  .page-maanshan .mas-hero { min-height: 0; padding-bottom: 36px; }
  .page-maanshan .mas-hero-stage { display: flex; padding-top: 12px; flex-direction: column; align-items: stretch; }
  .page-maanshan .mas-hero-visual { min-height: 0; }
  .page-maanshan .mas-node-switch { position: static; width: 100%; order: 3; }
  .page-maanshan .mas-node-switch button::before { display: none; }
  .page-maanshan .mas-hero-stats { grid-template-columns: repeat(3, 1fr); margin-top: 34px; }
  .page-maanshan .mas-hero-stats p { grid-column: 1 / -1; }
  .page-maanshan .mas-section-head,
  .page-maanshan .mas-register-grid,
  .page-maanshan .mas-platform-head,
  .page-maanshan .mas-growth-layout,
  .page-maanshan .mas-faq-layout,
  .page-maanshan .mas-final-inner { grid-template-columns: 1fr; gap: 34px; }
  .page-maanshan .mas-platform-head .city-eyebrow { grid-column: auto; margin-bottom: -6px; }
  .page-maanshan .mas-platform-bento { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .page-maanshan .mas-platform-bento figure { grid-column: 1 / -1; grid-row: auto; }
  .page-maanshan .mas-faq-head { position: static; }
}

@media (max-width: 680px) {
  .page-maanshan .city-shell { width: min(100% - 28px, 1200px); }
  .page-maanshan .mas-hero .city-crumb { padding: 14px 0; }
  .page-maanshan .mas-hero-copy h1 { font-size: 38px; line-height: 1.06; }
  .page-maanshan .mas-hero-copy > p:not(.city-eyebrow) { margin: 20px 0 22px; font-size: 15px; line-height: 1.76; }
  .page-maanshan .mas-hero-visual { border-radius: 28px 3px 28px 3px; }
  .page-maanshan .mas-hero-visual img { min-height: 480px; aspect-ratio: 3 / 4; }
  .page-maanshan .mas-hero-visual figcaption { left: 16px; bottom: 15px; }
  .page-maanshan .mas-node-switch { gap: 4px; }
  .page-maanshan .mas-node-switch button { min-height: 66px; padding: 9px; }
  .page-maanshan .mas-hero-stats { gap: 4px; }
  .page-maanshan .mas-hero-stats div { padding: 13px; }
  .page-maanshan .mas-hero-stats b { font-size: 24px; }
  .page-maanshan .city-section { padding: 78px 0; }
  .page-maanshan .mas-section-head h2,
  .page-maanshan .mas-register-copy h2,
  .page-maanshan .mas-platform-head h2,
  .page-maanshan .mas-growth-copy h2,
  .page-maanshan .mas-faq-head h2,
  .page-maanshan .mas-final h2 { font-size: 31px; line-height: 1.12; }
  .page-maanshan .mas-section-head { margin-bottom: 32px; }
  .page-maanshan .mas-bento-grid { display: grid; grid-template-columns: 1fr; grid-template-rows: auto; }
  .page-maanshan .mas-bento-grid .is-wide,
  .page-maanshan .mas-bento-grid .is-tall { grid-column: auto; grid-row: auto; }
  .page-maanshan .mas-bento-grid article { min-height: 220px; }
  .page-maanshan .mas-pulse { right: 20px; bottom: 23px; }
  .page-maanshan .mas-pulse i { width: 36px; }
  .page-maanshan .mas-register figure { padding: 8px 8px 42px; box-shadow: 9px 10px 0 #dbe6ea; }
  .page-maanshan .mas-register-copy ul { grid-template-columns: 1fr; }
  .page-maanshan .mas-register-copy li { min-height: 0; }
  .page-maanshan .mas-evidence-nodes { grid-template-columns: 1fr; }
  .page-maanshan .mas-evidence-nodes article { min-height: 170px; }
  .page-maanshan .mas-evidence-nodes b { margin-top: 44px; }
  .page-maanshan .mas-platform-bento article { min-height: 190px; padding: 18px; }
  .page-maanshan .mas-platform-bento h3 { margin-top: 28px; }
  .page-maanshan .mas-growth-copy li { grid-template-columns: 1fr; gap: 7px; }
  .page-maanshan .mas-article-route { grid-template-columns: 1fr; }
  .page-maanshan .mas-article-route a { min-height: 250px; }
  .page-maanshan .mas-final { padding: 70px 0; }
}

@media (prefers-reduced-motion: reduce) {
  .page-maanshan *,
  .page-maanshan *::before,
  .page-maanshan *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}