:root {
    --bg: #FFFFFF;
    --deep-bg: #F5F7FA;
    --surface: #FFFFFF;
    --subtle: #EEF1F6;
    --title: #0A1628;
    --text: #1E2A3A;
    --muted: #4A5568;
    --soft: #718096;
    --brand: #0033A0;
    --bright: #0052CC;
    --deep: #002066;
    --line: rgba(0,51,160,0.14);
    --shadow: 0 12px 36px rgba(0,33,102,0.08);
    --max: 1220px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif; font-size: 16px; line-height: 1.78; overflow-x: hidden; }
a { color: var(--deep); text-decoration: none; }
a:hover { color: var(--bright); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(0,82,204,.25); outline-offset: 2px; }
button, input { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; }
.site-top { position: fixed; inset: 0 0 auto 0; z-index: 1000; background: #fff; }
.top-inner { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.spine-line { height: 18px; background: var(--deep); color: #fff; font-size: 11px; line-height: 18px; }
.spine-inner { display: flex; justify-content: space-between; align-items: center; height: 18px; }
.spine-brand { color: #fff; font-weight: 700; letter-spacing: .08em; }
.spine-search { height: 18px; border: 0; padding: 0 5px; background: transparent; color: #fff; font-size: 11px; }
.cover-bar { height: 60px; border-bottom: 1px solid var(--line); background: #fff; }
.cover-inner { height: 60px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; }
.brand-link { justify-self: start; display: inline-flex; align-items: center; min-width: 80px; min-height: 44px; }
.brand-logo { display: block; width: auto; max-width: 150px; height: 34px; object-fit: contain; }
.brand-fallback { color: var(--deep); font-size: 25px; font-weight: 900; letter-spacing: -.04em; }
.catalog-trigger { justify-self: center; min-height: 44px; min-width: 92px; padding: 0 18px; border: 1px solid var(--brand); border-radius: 10px; background: #fff; color: var(--brand); font-weight: 800; }
.app-entry { justify-self: end; min-height: 44px; display: inline-flex; align-items: center; padding: 0 17px; border-radius: 10px; background: linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%); color: #fff; font-weight: 800; }
.app-entry:hover { color: #fff; filter: brightness(1.06); }
.tab-strip { height: 40px; border-bottom: 1px solid var(--line); background: var(--deep-bg); }
.tabs-inner { height: 40px; display: flex; align-items: center; gap: 6px; }
.tab-link { display: inline-flex; align-items: center; height: 30px; padding: 0 13px; border-radius: 7px; color: var(--text); font-size: 14px; font-weight: 700; }
.tab-link.is-current { background: var(--brand); color: #fff; }
.page-main { min-height: 70vh; padding-top: 118px; }
.container { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.hero, .page-hero { padding: 30px 0 24px; }
.page-hero { background: linear-gradient(180deg, var(--deep-bg), #fff); border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 8px; color: var(--brand); font-size: 13px; font-weight: 900; letter-spacing: .08em; }
h1, h2, h3 { color: var(--title); line-height: 1.28; margin-top: 0; }
h1 { margin-bottom: 14px; font-size: clamp(28px, 3vw, 32px); letter-spacing: -.025em; }
h2 { font-size: clamp(21px, 2.4vw, 26px); }
h3 { font-size: 18px; }
p { margin: 0 0 16px; }
.lead { max-width: 850px; color: var(--muted); font-size: 17px; }
.hero-media, .image-slot { display: flex; align-items: center; justify-content: center; overflow: hidden; background: var(--subtle); border: 1px solid var(--line); border-radius: 14px; }
.hero-media { width: 100%; min-height: 210px; max-height: 300px; aspect-ratio: 16 / 6.5; margin-bottom: 22px; }
.hero-media img { width: 100%; height: 100%; max-height: 300px; object-fit: contain; object-position: center; }
.hero-placeholder { text-align: center; color: var(--deep); font-weight: 900; font-size: clamp(24px, 4vw, 42px); }
.hero-copy { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 24px; }
.hero-copy p { max-width: 820px; color: var(--muted); }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; }
.button-primary, .button-secondary { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 0 18px; border-radius: 10px; font-weight: 800; }
.button-primary { color: #fff; background: linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%); }
.button-primary:hover { color: #fff; filter: brightness(1.05); }
.button-secondary { color: var(--brand); background: #fff; border: 1px solid var(--brand); }
.section { padding: 48px 0; }
.section.alt { background: var(--deep-bg); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.section-head p { max-width: 680px; margin: 0; color: var(--muted); }
.cards-3, .cards-4, .cards-6, .status-grid { display: grid; gap: 16px; }
.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cards-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.status-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card, .info-block, .status-card, .list-panel, .quote-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
.card { padding: 20px; }
.card p { color: var(--muted); }
.card .mini-link { display: inline-flex; min-height: 44px; align-items: center; color: var(--brand); font-weight: 800; }
.tone-chip { display: inline-flex; align-items: center; min-height: 30px; padding: 0 9px; border-radius: 7px; color: #fff; font-size: 12px; font-weight: 900; background: var(--bright); }
.tone-chip.deep { background: var(--deep); }
.focus-layout, .feature-layout, .app-layout { display: grid; grid-template-columns: .95fr 1.05fr; gap: 30px; align-items: center; }
.image-slot { min-height: 220px; aspect-ratio: 16/10; }
.image-slot.tall { max-height: 420px; aspect-ratio: 4/5; }
.image-slot img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
.image-slot .slot-label { color: var(--deep); font-weight: 900; }
.number-list { display: grid; gap: 12px; }
.number-item { display: grid; grid-template-columns: 58px 1fr auto; gap: 14px; align-items: center; min-height: 72px; padding: 12px 14px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.number-item .num { color: var(--bright); font-size: 26px; font-weight: 900; letter-spacing: -.05em; }
.number-item strong { color: var(--title); }
.number-item span { color: var(--muted); font-size: 14px; }
.number-item a { min-height: 44px; display: inline-flex; align-items: center; font-weight: 800; }
.media-card { padding: 0; overflow: hidden; }
.media-card .image-slot { min-height: 190px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; box-shadow: none; }
.media-card .media-copy { padding: 18px; }
.media-card .media-copy p { min-height: 108px; }
.shelf-list { display: grid; gap: 10px; }
.shelf-row { display: grid; grid-template-columns: 130px 1fr auto; gap: 18px; align-items: center; min-height: 78px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.shelf-row strong { color: var(--title); }
.shelf-row p { margin: 0; color: var(--muted); }
.shelf-row a { min-height: 44px; display: inline-flex; align-items: center; font-weight: 800; }
.big-order { display: grid; gap: 12px; }
.order-row { display: grid; grid-template-columns: 80px 1fr; gap: 18px; padding: 18px; border-bottom: 1px solid var(--line); }
.order-row .big-num { color: var(--brand); font-size: 44px; font-weight: 900; line-height: 1; }
.status-card { padding: 20px; }
.status-card .status { display: inline-block; margin-bottom: 10px; color: var(--brand); font-weight: 900; }
.prose { width: min(calc(100% - 32px), 900px); margin: 0 auto; padding: 42px 0 60px; }
.prose .info-block { padding: 24px; margin: 0 0 18px; }
.prose h2 { margin-bottom: 12px; }
.prose p, .prose li { color: var(--text); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose .editor-note { border-left: 4px solid var(--brand); background: var(--deep-bg); padding: 16px 18px; border-radius: 0 12px 12px 0; }
.index-list { display: grid; gap: 12px; }
.index-item { display: grid; grid-template-columns: 110px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.index-item strong { color: var(--brand); }
.steps { counter-reset: step; display: grid; gap: 14px; }
.step { counter-increment: step; padding: 20px 20px 20px 72px; position: relative; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.step::before { content: counter(step, decimal-leading-zero); position: absolute; left: 20px; top: 18px; color: var(--bright); font-size: 24px; font-weight: 900; }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.faq-item h2 { font-size: 19px; margin-bottom: 8px; }
.faq-item p { margin: 0; color: var(--muted); }
.quote-card { padding: 22px; }
.quote-card p { font-size: 17px; }
.quote-card footer { color: var(--brand); font-weight: 800; }
.site-footer { background: var(--title); color: #A0AEC0; padding: 44px 0 calc(30px + env(safe-area-inset-bottom)); }
.footer-inner { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.footer-brand-row { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; color: #fff; }
.footer-logo-link { display: inline-flex; align-items: center; }
.footer-logo { width: auto; max-width: 140px; height: 32px; object-fit: contain; }
.footer-logo-text { color: #fff; font-size: 24px; font-weight: 900; }
.footer-brand-row div { display: grid; line-height: 1.2; }
.footer-brand-row span { color: #A0AEC0; font-size: 12px; }
.footer-groups { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 24px 0; border-top: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-groups h2 { color: #fff; font-size: 15px; margin-bottom: 10px; }
.footer-groups a { display: block; min-height: 34px; color: #CBD5E0; }
.footer-groups a:hover { color: #fff; }
.footer-note, .copyright { color: #A0AEC0; margin-top: 18px; }
.catalog-panel, .search-panel { position: fixed; left: 0; right: 0; top: 78px; z-index: 1300; visibility: hidden; opacity: 0; pointer-events: none; transform: translateY(-10px); transition: .2s ease; }
.catalog-panel.is-open, .search-panel.is-open { visibility: visible; opacity: 1; pointer-events: auto; transform: translateY(0); }
.catalog-shell { width: min(calc(100% - 32px), var(--max)); max-height: 50vh; margin: 0 auto; overflow-y: auto; background: #fff; border: 1px solid var(--line); border-radius: 0 0 16px 16px; box-shadow: 0 24px 60px rgba(0,32,102,.18); }
.catalog-head, .search-card-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.catalog-brand { display: flex; align-items: center; gap: 10px; color: var(--title); }
.catalog-logo { width: auto; max-width: 120px; height: 30px; object-fit: contain; }
.close-button { min-height: 44px; padding: 0 14px; border: 1px solid var(--brand); background: #fff; color: var(--brand); border-radius: 9px; font-weight: 800; }
.catalog-groups { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; padding: 20px; }
.catalog-groups h2 { font-size: 16px; margin-bottom: 8px; }
.catalog-groups a { display: grid; gap: 2px; min-height: 54px; padding: 7px 0; border-bottom: 1px solid var(--line); }
.catalog-groups a strong { color: var(--title); }
.catalog-groups a span { color: var(--soft); font-size: 12px; line-height: 1.45; }
.search-card { width: min(calc(100% - 32px), 760px); margin: 0 auto; padding-bottom: 18px; background: #fff; border: 1px solid var(--line); border-radius: 0 0 14px 14px; box-shadow: 0 24px 60px rgba(0,32,102,.18); }
.search-card label { display: block; padding: 18px 18px 8px; color: var(--muted); font-weight: 700; }
.search-card input { width: calc(100% - 36px); min-height: 46px; margin: 0 18px; padding: 0 14px; border: 1px solid var(--line); border-radius: 10px; color: var(--text); background: var(--deep-bg); }
.search-presets { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 18px 0; }
.search-presets a { display: inline-flex; min-height: 44px; align-items: center; padding: 0 13px; border: 1px solid var(--brand); border-radius: 9px; color: var(--brand); background: #fff; font-weight: 800; }
.screen-mask { position: fixed; inset: 0; z-index: 1200; background: rgba(10,22,40,.42); opacity: 0; pointer-events: none; transition: opacity .2s ease; }
.screen-mask.is-open { opacity: 1; pointer-events: auto; }
.layer-open { overflow: hidden; }
.mobile-bottom { display: none; }
@media (max-width: 920px) {
    .cards-4 { grid-template-columns: repeat(2, 1fr); }
    .cards-3, .cards-6 { grid-template-columns: repeat(2, 1fr); }
    .status-grid { grid-template-columns: repeat(2,1fr); }
    .focus-layout, .feature-layout, .app-layout { grid-template-columns: 1fr; }
    .catalog-groups { grid-template-columns: repeat(2, 1fr); }
    .hero-copy { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
    body { padding-bottom: calc(50px + env(safe-area-inset-bottom)); }
    .top-inner { width: calc(100% - 32px); }
    .tab-strip { display: none; }
    .page-main { padding-top: 78px; }
    .cover-inner { grid-template-columns: minmax(78px, 1fr) auto minmax(78px, 1fr); gap: 6px; }
    .brand-logo { max-width: 105px; height: 30px; }
    .brand-fallback { font-size: 22px; }
    .catalog-trigger { min-width: 84px; padding: 0 11px; }
    .app-entry { padding: 0 10px; font-size: 14px; }
    .hero { padding-top: 22px; }
    .hero-media { min-height: 150px; aspect-ratio: 16/8.8; }
    .cards-3, .cards-4, .cards-6, .status-grid { grid-template-columns: 1fr; }
    .section { padding: 36px 0; }
    .section-head { align-items: start; flex-direction: column; }
    .number-item { grid-template-columns: 50px 1fr; }
    .number-item a { grid-column: 2; }
    .shelf-row { grid-template-columns: 1fr; gap: 8px; }
    .shelf-row a { justify-self: start; }
    .footer-groups { grid-template-columns: repeat(2,1fr); }
    .catalog-panel, .search-panel { top: 78px; }
    .catalog-shell { width: 100%; max-height: 66vh; border-left: 0; border-right: 0; border-radius: 0 0 14px 14px; }
    .catalog-groups { grid-template-columns: 1fr; gap: 14px; }
    .search-card { width: 100%; background: var(--deep-bg); border-left: 0; border-right: 0; border-radius: 0 0 14px 14px; }
    .mobile-bottom { position: fixed; left: 0; right: 0; bottom: 0; z-index: 1100; display: grid; grid-template-columns: repeat(5, 1fr); height: calc(50px + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -8px 24px rgba(0,33,102,.08); }
    .mobile-bottom a { min-width: 0; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 13px; font-weight: 800; }
    .mobile-bottom a.is-current { background: var(--brand); color: #fff; }
    .screen-mask { z-index: 1200; }
    .catalog-panel, .search-panel { z-index: 1300; }
    .prose { width: calc(100% - 32px); }
    .index-item { grid-template-columns: 1fr; gap: 4px; }
    .order-row { grid-template-columns: 62px 1fr; }
    .order-row .big-num { font-size: 36px; }
}
@media (max-width: 420px) {
    .cover-inner { gap: 3px; }
    .catalog-trigger { min-width: 78px; padding: 0 8px; font-size: 14px; }
    .app-entry { font-size: 13px; padding: 0 8px; }
    .brand-logo { max-width: 88px; }
    .footer-groups { grid-template-columns: 1fr 1fr; gap: 18px 12px; }
}