:root {
  color-scheme: light;
  --paper: #fff;
  --canvas: #f8f8f8;
  --ink: #202020;
  --text: #464646;
  --muted: #6b6b6b;
  --line: #e2e2e2;
  --accent: #c2602d;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --heading: "Songti SC", "STSong", "SimSun", serif;
}

*, *::before, *::after { box-sizing: border-box; letter-spacing: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; color: var(--text); background: var(--paper); font-family: var(--font); font-size: 16px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
a:focus-visible { outline: 2px solid var(--ink); outline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
h1, h2, h3 { color: var(--ink); }
h1, .section-title, .product-panel h2 { font-family: var(--heading); font-weight: 500; }
p, li, a, h1, h2, h3 { overflow-wrap: anywhere; }
.container { width: min(1184px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: absolute; top: 8px; left: 16px; z-index: 10; padding: 8px 16px; color: var(--paper); background: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: none; color: var(--paper); }
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.header-inner { display: flex; min-height: 88px; align-items: center; justify-content: space-between; gap: 32px; padding-block: 16px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; color: var(--ink); font-size: 20px; font-weight: 600; white-space: nowrap; }
.brand img { width: 40px; height: 40px; border-radius: 6px; object-fit: contain; }
.site-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 26px; font-size: 14px; }
.site-nav a { display: inline-flex; min-height: 40px; align-items: center; justify-content: center; border-bottom: 1px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"] { border-bottom-color: var(--accent); }
.site-nav .nav-login { min-width: 76px; padding: 6px 18px; border: 1px solid var(--ink); border-radius: 4px; color: var(--paper); background: var(--ink); }
.site-nav .nav-login:hover { background: #383838; }
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: 8px;
}
.lang-switch button {
  min-width: 40px;
  min-height: 40px;
  padding: 0 8px;
  border: 0;
  border-radius: 4px;
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
}
.lang-switch button:hover,
.lang-switch button:focus-visible { color: var(--accent); }
.lang-switch button.is-active,
.lang-switch button[aria-pressed="true"] { color: var(--ink); }
.manual-lang-note {
  margin: 0 auto 20px;
  max-width: var(--container-max, 1184px);
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--canvas, #f8f8f8);
  color: var(--muted);
  font-size: 14px;
}
.manual-lang-note[hidden] { display: none; }

.hero { position: relative; display: flex; align-items: center; min-height: 390px; padding: 64px 0; isolation: isolate; color: var(--paper); background: var(--ink); }
.hero-image { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: center 52%; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(20, 20, 20, .46); }
.hero-grid { width: min(1184px, calc(100% - 64px)); }
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; color: #ffdec7; font-size: 12px; }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--accent); }
.hero h1 { color: var(--paper); font-size: 48px; line-height: 1.3; }
.hero-company { display: block; margin-top: 24px; font-size: 17px; }
.company-intro { padding: 40px 0 48px; border-bottom: 1px solid var(--line); }
.company-intro .container { display: grid; grid-template-columns: 1.3fr 1fr; align-items: center; gap: 48px; }
.hero-copy { max-width: 680px; line-height: 1.95; }
.hero-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 10px; padding: 10px 18px; border: 1px solid var(--line); border-radius: 4px; color: var(--ink); font-size: 14px; font-weight: 500; }
.button.primary { border-color: var(--ink); color: var(--paper); background: var(--ink); }
.button:hover { border-color: var(--ink); background: var(--canvas); }
.button.primary:hover { background: #383838; }
.button svg { width: 16px; height: 16px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 2; }
.section { padding: 80px 0; }
.section-head { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 64px; margin-bottom: 38px; }
.section-tag, .product-kicker, .statement-label { margin-bottom: 14px; color: var(--muted); font-size: 13px; }
.section-title { max-width: 460px; font-size: 34px; line-height: 1.45; }
.section-copy { font-size: 15px; line-height: 1.95; }
.business { background: var(--canvas); }
.business-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.business-card { padding: 30px 30px 0; border-right: 1px solid var(--line); }
.business-card:first-child { padding-left: 0; }
.business-card:last-child { padding-right: 0; border-right: 0; }
.business-number { color: var(--muted); font-size: 12px; }
.business-icon { display: flex; width: 40px; height: 40px; align-items: center; margin: 28px 0 18px; color: var(--ink); }
.business-icon svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.business-card h3 { margin-bottom: 14px; font-size: 20px; font-weight: 500; }
.business-card p { color: var(--muted); font-size: 14px; line-height: 1.95; }
.product-panel { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: start; }
.product-panel h2 { font-size: 34px; line-height: 1.45; }
.product-panel p { margin-top: 22px; font-size: 15px; line-height: 1.95; }
.capabilities { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; margin-top: 26px; }
.capability { display: flex; min-height: 48px; align-items: center; gap: 10px; padding-block: 8px; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 13px; }
.capability svg { width: 16px; height: 16px; flex-shrink: 0; fill: none; stroke: var(--accent); stroke-width: 2; }
.product-visual { display: grid; gap: 24px; min-width: 0; }
.shot { min-width: 0; }
.shot img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 4px; }
.shot figcaption { padding-top: 8px; color: var(--muted); font-size: 12px; }
.values { padding-top: 0; }
.values-panel { display: grid; grid-template-columns: 1.25fr repeat(3, 1fr); border-block: 1px solid var(--line); }
.values-intro { padding: 26px 24px 26px 0; }
.values-intro small { display: block; margin-bottom: 6px; color: var(--muted); font-size: 11px; }
.values-intro strong { color: var(--ink); font-size: 17px; font-weight: 500; }
.value { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 20px; border-left: 1px solid var(--line); color: var(--ink); font-size: 17px; }
.value span { width: 16px; height: 1px; flex-shrink: 0; background: var(--accent); }
.statement { padding: 64px 0; background: var(--canvas); }
.statement-inner { display: grid; grid-template-columns: .65fr 1.35fr; gap: 64px; }
.statement blockquote { color: var(--ink); font-family: var(--heading); font-size: 26px; line-height: 1.8; }
.statement blockquote strong { font-weight: 500; }
.footer { padding: 48px 0 24px; border-top: 1px solid var(--line); background: var(--paper); }
.footer-main { display: flex; justify-content: space-between; gap: 40px; padding-bottom: 32px; }
.footer-copy { margin-top: 16px; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; align-content: start; align-items: start; justify-content: flex-end; flex-wrap: wrap; gap: 16px 28px; max-width: 440px; padding-top: 8px; font-size: 13px; }
.footer-links a:hover, .footer-bottom a:hover { text-decoration: underline; text-underline-offset: 5px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

.legal-page { background: var(--canvas); }
.wrap { width: min(864px, calc(100% - 64px)); margin: 0 auto; padding: 40px 0 64px; }
.document-nav { display: flex; gap: 32px; margin-bottom: 40px; border-bottom: 1px solid var(--line); font-size: 14px; }
.document-nav a { padding: 8px 0 14px; border-bottom: 2px solid transparent; }
.document-nav a[aria-current="page"] { border-bottom-color: var(--accent); color: var(--ink); font-weight: 600; }
.legal-document { min-width: 0; }
.legal-document h1 { margin: 0 0 16px; font-size: 36px; line-height: 1.45; }
.legal-document .meta { margin-bottom: 32px; padding-bottom: 28px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.legal-document h2 { margin: 38px 0 14px; font-size: 20px; font-weight: 600; line-height: 1.6; }
.legal-document p, .legal-document li { line-height: 1.95; }
.legal-document p { margin: 12px 0; }
.legal-document ul { margin: 12px 0; padding-left: 1.4em; }
.legal-document li + li { margin-top: 10px; }
.legal-document li::marker { color: var(--muted); }
.legal-document strong { font-weight: 600; }
.legal-document a { color: var(--ink); text-decoration: underline; text-decoration-color: #b8b8b8; text-underline-offset: 4px; }
.legal-document a:hover { text-decoration-color: var(--ink); }
.legal-document .back { display: inline-block; margin-top: 32px; padding-block: 8px; font-size: 14px; }
.legal-document .beian { margin: 20px 0 0; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
body.is-embedded { background: var(--paper); }
body.is-embedded .site-header, body.is-embedded .skip-link, body.is-embedded .document-nav, body.is-embedded .back, body.is-embedded .beian { display: none; }
body.is-embedded .wrap { width: 100%; max-width: none; padding: 12px 0 0; }
body.is-embedded .legal-document { padding: 0 0 16px; }
body.is-embedded .legal-document h1 { font-family: var(--font); font-size: 28px; }

@media (max-width: 960px) {
  .header-inner { flex-wrap: wrap; gap: 10px 24px; }
  .site-nav { gap: 8px 20px; }
  .company-intro .container { grid-template-columns: 1fr; gap: 24px; }
  .hero-actions { justify-content: flex-start; }
  .section-head, .product-panel { gap: 36px; }
  .business-card { padding-inline: 20px; }
  .product-panel { grid-template-columns: 1fr; }
  .product-visual { grid-template-columns: 1fr 1fr; gap: 20px; }
  .values-panel { grid-template-columns: 1fr 1fr 1fr; }
  .values-intro { grid-column: 1 / -1; border-bottom: 1px solid var(--line); }
  .value:nth-child(2) { border-left: 0; }
}

@media (max-width: 640px) {
  .container, .hero-grid, .wrap { width: calc(100% - 40px); }
  .header-inner { display: block; min-height: 0; padding-block: 14px 12px; }
  .brand { font-size: 18px; gap: 10px; }
  .brand img { width: 34px; height: 34px; }
  .site-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2px 12px; margin-top: 10px; font-size: 13px; }
  .site-nav a { min-height: 40px; }
  .site-nav .nav-login { min-width: 0; padding: 4px 12px; }
  .hero { min-height: 286px; padding: 40px 0; }
  .hero h1 { font-size: 32px; line-height: 1.4; }
  .eyebrow { margin-bottom: 18px; font-size: 11px; }
  .hero-company { margin-top: 20px; font-size: 14px; }
  .company-intro { padding: 28px 0 32px; }
  .hero-copy { font-size: 14px; }
  .hero-actions { gap: 10px; }
  .button { padding-inline: 14px; font-size: 13px; }
  .section { padding: 48px 0; }
  .section-head { grid-template-columns: 1fr; gap: 20px; margin-bottom: 28px; }
  .section-title, .product-panel h2 { font-size: 28px; }
  .section-copy { font-size: 14px; }
  .business-grid { grid-template-columns: 1fr; }
  .business-card, .business-card:first-child, .business-card:last-child { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .business-card:last-child { padding-bottom: 0; border-bottom: 0; }
  .business-icon { margin: 18px 0 12px; }
  .product-panel { gap: 28px; }
  .product-panel p { font-size: 14px; }
  .product-visual { grid-template-columns: 1fr; }
  .values { padding-top: 0; }
  .values-intro { padding: 22px 0; }
  .value { gap: 8px; padding: 18px 4px; font-size: 14px; }
  .value span { width: 8px; }
  .statement { padding: 40px 0; }
  .statement-inner { grid-template-columns: 1fr; gap: 8px; }
  .statement blockquote { font-size: 22px; }
  .footer { padding: 36px 0 20px; }
  .footer-main, .footer-bottom { flex-direction: column; gap: 24px; }
  .footer-links { justify-content: flex-start; gap: 12px 22px; }
  .footer-bottom { gap: 8px; }
  .wrap { padding: 24px 0 40px; }
  .document-nav { gap: 28px; margin-bottom: 28px; }
  .legal-document h1 { font-size: 28px; }
  .legal-document .meta { margin-bottom: 24px; padding-bottom: 22px; }
  .legal-document h2 { margin-top: 30px; font-size: 19px; }
  .legal-document p, .legal-document li { font-size: 15px; line-height: 1.9; }
  body.is-embedded .wrap { width: 100%; padding: 8px 0 0; }
  body.is-embedded .legal-document { padding-bottom: 12px; }
  body.is-embedded .legal-document h1 { font-size: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media print {
  .site-header, .skip-link, .document-nav, .back { display: none; }
  body { color: #000; background: #fff; }
  .wrap { width: 100%; padding: 0; }
  .legal-document h2 { break-after: avoid; }
}