:root {
    --bg: #E8F3F4;
    --bg-deep: #D4E8EA;
    --surface: #F7FCFC;
    --surface-2: #DCECEE;
    --title: #0A3D4A;
    --text: #1E4A54;
    --muted: #4A737C;
    --soft: #7A8F93;
    --lake: #1A6B7A;
    --green: #2E9A8F;
    --night: #08222A;
    --gold: #D4B46A;
    --star: #F2F7F8;
    --mist: #7DB8B0;
    --border: rgba(10,61,74,0.16);
    --border-strong: rgba(46,154,143,0.40);
    --shadow: 0 16px 36px rgba(8,34,42,0.10);
    --radius: 16px;
    --max: 1220px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif; font-size: 16px; line-height: 1.78; overflow-x: hidden; }
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
a, button { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(212,180,106,.75); outline-offset: 3px; }
img { max-width: 100%; display: block; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 200; background: var(--night); color: var(--star); padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { top: 10px; }
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 90; }
.star-track { height: 22px; background: var(--night); color: var(--star); font-size: 12px; }
.top-shell { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.star-track .top-shell { height: 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.track-brand { letter-spacing: .04em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.track-search { border: 0; background: transparent; color: var(--star); min-height: 22px; padding: 0 4px; cursor: pointer; }
.dome-bar { height: 64px; background: rgba(247,252,252,.98); border-bottom: 1px solid rgba(26,107,122,.22); }
.dome-shell { height: 64px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 18px; }
.brand-link { justify-self: start; min-height: 44px; display: inline-flex; align-items: center; min-width: 120px; }
.brand-logo, .footer-brand-logo, .map-brand-logo { width: auto; height: 34px; max-width: 220px; object-fit: contain; }
.brand-wordmark { color: var(--title); font-size: 20px; font-weight: 800; letter-spacing: .08em; }
.map-trigger, .app-link, .close-button { min-height: 44px; border-radius: 12px; cursor: pointer; }
.map-trigger { border: 1px solid var(--border-strong); background: var(--surface-2); color: var(--night); padding: 0 22px; font-weight: 700; }
.map-trigger:hover { background: var(--star); }
.app-link { justify-self: end; display: inline-flex; align-items: center; padding: 0 20px; color: var(--star); background: linear-gradient(135deg,#2E9A8F 0%,#1A6B7A 55%,#0A3D4A 100%); font-weight: 700; }
.screen-tabs { height: 44px; background: #DCECEE; border-bottom: 1px solid rgba(212,180,106,.55); }
.tabs-shell { display: flex; height: 44px; align-items: center; gap: 8px; overflow: hidden; }
.screen-tab { min-height: 32px; display: inline-flex; align-items: center; padding: 0 12px; border-radius: 8px; color: var(--title); font-size: 14px; font-weight: 700; white-space: nowrap; }
.screen-tab:hover { background: rgba(247,252,252,.82); }
.screen-tab.is-active { background: var(--lake); color: var(--star); }
.site-main { padding: 156px 0 52px; min-height: 70vh; }
.page-shell, .hero-shell { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.hero, .inner-hero { margin-bottom: 28px; }
.hero-media { max-height: 300px; min-height: 220px; border-radius: 18px; overflow: hidden; background: var(--night); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; }
.hero-media img { width: 100%; height: 100%; max-height: 300px; object-fit: contain; object-position: center; }
.media-slot { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; display: flex; align-items: center; justify-content: center; min-height: 190px; }
.media-slot img { width: 100%; height: 100%; max-height: 240px; object-fit: contain; object-position: center; }
.app-media img { max-height: 420px; width: auto; }
.media-placeholder { background: linear-gradient(135deg, rgba(26,107,122,.18), rgba(46,154,143,.08) 52%, rgba(212,180,106,.15)); color: var(--title); position: relative; }
.media-placeholder::after { content: "✦"; position: absolute; right: 20px; top: 12px; color: var(--gold); font-size: 26px; }
.media-placeholder span { font-weight: 800; letter-spacing: .08em; }
.hero-copy { padding: 24px 2px 0; max-width: 900px; }
.kicker, .eyebrow { color: var(--lake); font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { color: var(--title); line-height: 1.35; margin-top: 0; }
h1 { font-size: clamp(28px, 4vw, 32px); margin-bottom: 14px; }
h2 { font-size: clamp(22px, 3vw, 26px); margin-bottom: 12px; }
h3 { font-size: 18px; margin-bottom: 8px; }
p { margin: 0 0 14px; }
.lead { color: var(--muted); font-size: 17px; max-width: 900px; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.button-primary, .button-secondary, .text-link { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; padding: 0 18px; font-weight: 800; }
.button-primary { background: linear-gradient(135deg,#2E9A8F 0%,#1A6B7A 55%,#0A3D4A 100%); color: var(--star); }
.button-secondary { background: var(--star); color: var(--night); border: 1px solid var(--gold); }
.button-primary:hover, .button-secondary:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(8,34,42,.10); }
.section { margin: 34px auto; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.section-heading p { max-width: 650px; color: var(--muted); margin: 0; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card-grid.five { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 8px 24px rgba(8,34,42,.05); padding: 20px; min-width: 0; }
.card .media-slot { margin: -4px -4px 16px; height: 200px; }
.card p:last-child { margin-bottom: 0; }
.card a.inline-link, .inline-link { color: var(--lake); font-weight: 800; text-decoration: underline; text-decoration-color: rgba(26,107,122,.3); text-underline-offset: 4px; }
.constellation { position: relative; padding-top: 26px; }
.constellation::before { content: ""; position: absolute; left: 8%; right: 8%; top: 0; height: 90px; border-top: 1px dashed rgba(26,107,122,.32); border-radius: 50% 50% 0 0; pointer-events: none; }
.constellation .card:nth-child(2), .constellation .card:nth-child(4) { margin-top: 18px; }
.number-list { display: grid; gap: 12px; }
.number-item { display: grid; grid-template-columns: 64px 1fr; gap: 16px; align-items: start; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.big-num { color: var(--gold); font-size: 34px; font-weight: 900; line-height: 1; letter-spacing: -.04em; }
.split { display: grid; grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr); gap: 24px; align-items: start; }
.split.reverse { grid-template-columns: minmax(0, 1.14fr) minmax(0, .86fr); }
.note { border-left: 4px solid var(--gold); background: var(--surface); padding: 18px 20px; border-radius: 0 14px 14px 0; }
.editor-note { background: var(--night); color: var(--star); border-radius: 16px; padding: 22px; }
.editor-note h3 { color: var(--star); }
.editor-note .eyebrow { color: #B6DAD5; }
.status { display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px; border-radius: 8px; background: var(--surface-2); color: var(--title); border: 1px solid var(--border); font-size: 13px; font-weight: 800; }
.status.gold { border-color: rgba(212,180,106,.7); background: #F6F0DE; }
.status.green { border-color: rgba(46,154,143,.45); background: #E5F3F0; }
.process { counter-reset: step; display: grid; gap: 14px; }
.process article { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px 18px 18px 78px; min-height: 100px; }
.process article::before { counter-increment: step; content: "0" counter(step); position: absolute; left: 20px; top: 22px; color: var(--gold); font-size: 26px; font-weight: 900; }
.list-panel { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 8px 20px; }
.list-row { display: grid; grid-template-columns: minmax(160px, .4fr) 1fr auto; gap: 18px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--border); }
.list-row:last-child { border-bottom: 0; }
.list-row p { margin: 0; color: var(--muted); }
.tagline-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { display: inline-flex; align-items: center; min-height: 32px; padding: 0 10px; border-radius: 8px; background: var(--surface-2); color: var(--title); border: 1px solid var(--border); font-size: 13px; font-weight: 700; }
.article-copy { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: clamp(20px, 4vw, 34px); }
.article-copy h2 { margin-top: 28px; }
.article-copy h2:first-child { margin-top: 0; }
.article-copy ul { padding-left: 1.2em; }
.article-copy li { margin: 8px 0; }
.faq-list { display: grid; gap: 14px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.faq-item h2 { font-size: 18px; margin-bottom: 8px; }
.faq-item p { margin: 0; }
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.contact-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 22px; }
.contact-card .text-link { padding-left: 0; color: var(--lake); justify-content: flex-start; }
.site-footer { background: var(--night); color: var(--star); padding: 44px 0 30px; }
.footer-shell { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.footer-brand { display: flex; align-items: center; gap: 14px; padding-bottom: 22px; border-bottom: 1px solid rgba(242,247,248,.16); }
.footer-brand a { min-height: 44px; display: inline-flex; align-items: center; }
.footer-brand strong { display: block; font-size: 20px; }
.footer-brand span { display: block; color: #B6DAD5; font-size: 12px; letter-spacing: .1em; }
.footer-brand .brand-wordmark { color: var(--star); }
.footer-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; padding: 26px 0; }
.footer-grid h2 { color: var(--gold); font-size: 14px; }
.footer-grid a { display: block; min-height: 34px; color: #D6E7E9; }
.footer-grid a:hover { color: #FFFFFF; text-decoration: underline; text-underline-offset: 4px; }
.footer-note { color: #BBD1D4; max-width: 900px; border-top: 1px solid rgba(242,247,248,.14); border-bottom: 1px solid rgba(242,247,248,.14); padding: 16px 0; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 16px 24px; color: #AFC7CA; font-size: 13px; }
.footer-bottom a { color: var(--star); }
.overlay { position: fixed; inset: 0; z-index: 110; background: rgba(8,34,42,.48); opacity: 0; visibility: hidden; pointer-events: none; transition: .2s ease; }
.overlay.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
.star-map { position: fixed; left: 0; right: 0; top: 86px; z-index: 120; background: var(--surface); border-bottom: 1px solid var(--border); box-shadow: var(--shadow); max-height: 68vh; overflow-y: auto; transform: translateY(-16px); opacity: 0; visibility: hidden; pointer-events: none; transition: .2s ease; }
.star-map.is-open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }
.map-head, .map-groups { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.map-head { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--border); }
.map-brand { display: flex; align-items: center; gap: 12px; }
.map-brand strong, .map-brand span { display: block; }
.map-brand span { color: var(--muted); font-size: 12px; letter-spacing: .08em; }
.close-button { background: var(--star); color: var(--night); border: 1px solid var(--gold); padding: 0 16px; }
.map-groups { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 20px; padding-top: 22px; padding-bottom: 26px; }
.map-groups h2 { font-size: 15px; color: var(--lake); }
.map-groups a { display: block; min-height: 62px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.map-groups a strong, .map-groups a span { display: block; }
.map-groups a span { color: var(--muted); font-size: 13px; line-height: 1.55; margin-top: 3px; }
.map-groups a:hover strong { color: var(--lake); }
.search-layer { position: fixed; left: 0; right: 0; top: 86px; z-index: 125; opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-12px); transition: .2s ease; }
.search-layer.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
.search-card { width: min(calc(100% - 32px), 760px); margin: 12px auto 0; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); padding: 22px; }
.search-head { display: flex; justify-content: space-between; align-items: start; gap: 18px; }
.search-head h2 { margin-bottom: 0; }
.search-appearance { min-height: 52px; display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border-strong); border-radius: 12px; padding: 0 16px; color: var(--muted); margin: 18px 0; }
.search-presets { display: flex; flex-wrap: wrap; gap: 10px; }
.search-presets a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 14px; border: 1px solid var(--border); background: var(--star); color: var(--title); border-radius: 10px; font-weight: 700; }
.mobile-bottom { display: none; }
@media (max-width: 980px) {
    .card-grid.five { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .card-grid.four { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .card-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .split, .split.reverse { grid-template-columns: 1fr; }
    .map-groups { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 720px) {
    body { padding-bottom: calc(50px + env(safe-area-inset-bottom)); }
    .top-shell, .page-shell, .hero-shell, .footer-shell, .map-head, .map-groups { width: calc(100% - 32px); }
    .dome-shell { grid-template-columns: minmax(0,1fr) auto minmax(0,1fr); gap: 8px; }
    .brand-link { min-width: 0; overflow: hidden; }
    .brand-logo { height: 30px; max-width: 132px; }
    .brand-wordmark { font-size: 17px; white-space: nowrap; }
    .map-trigger { padding: 0 12px; }
    .app-link { padding: 0 12px; }
    .screen-tabs { display: none; }
    .site-main { padding-top: 108px; padding-bottom: 28px; }
    .hero-media { min-height: 180px; }
    .hero-copy { padding-top: 18px; }
    .section { margin: 26px auto; }
    .section-heading { display: block; }
    .section-heading p { margin-top: 8px; }
    .card-grid, .card-grid.two, .card-grid.four, .card-grid.five { grid-template-columns: 1fr; }
    .constellation .card:nth-child(2), .constellation .card:nth-child(4) { margin-top: 0; }
    .constellation::before { display: none; }
    .number-item { grid-template-columns: 52px 1fr; }
    .list-row { grid-template-columns: 1fr; gap: 8px; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px 16px; }
    .footer-bottom { padding-bottom: 6px; }
    .star-map { top: 86px; max-height: 78vh; }
    .map-head { min-height: 64px; }
    .map-groups { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px 16px; }
    .map-groups a { min-height: 68px; }
    .map-brand-logo { max-width: 120px; height: 28px; }
    .search-layer { top: 86px; }
    .search-card { width: calc(100% - 24px); margin-top: 8px; }
    .search-head h2 { font-size: 20px; }
    .mobile-bottom { position: fixed; left: 0; right: 0; bottom: 0; z-index: 80; height: calc(50px + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); background: rgba(247,252,252,.98); border-top: 1px solid var(--border); display: grid; grid-template-columns: repeat(5, 1fr); }
    .mobile-bottom a { min-height: 50px; display: flex; align-items: center; justify-content: center; color: var(--title); font-size: 13px; font-weight: 800; }
    .mobile-bottom a.is-active { background: var(--lake); color: var(--star); }
    .overlay { z-index: 110; }
}
@media (max-width: 390px) {
    .track-brand { max-width: 240px; }
    .map-trigger, .app-link { font-size: 13px; padding: 0 9px; }
    .brand-wordmark { font-size: 15px; }
    .map-groups { grid-template-columns: 1fr 1fr; }
}

.stack-top { margin-top: 16px; }