/* Standalone copy of the approved homepage's visual language. No framework or remote resources. */
:root {
  color-scheme: light;
  --canvas: #fafbfa;
  --surface: #fff;
  --ink: #242b29;
  --copy: #5b6961;
  --line: #e0e5e2;
  --accent: #bb5038;
  --primary: #324d44;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--canvas); font: 1rem/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei UI", sans-serif; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, ol { margin: 0; }
h1, h2, h3 { font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", sans-serif; font-weight: 550; line-height: 1.4; letter-spacing: -.018em; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ol { padding: 0; list-style: none; }
address { font-style: normal; }
a, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid #a74430; outline-offset: 5px; border-radius: 3px; }
::selection { background: #dce8e0; color: #1c3126; }
.container { width: 100%; max-width: 1360px; margin-inline: auto; padding-inline: 32px; }
.skip-link { position: fixed; z-index: 20; top: 8px; left: 16px; padding: 10px 16px; background: #fff; border: 1px solid var(--line); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; min-height: 80px; align-items: center; justify-content: space-between; gap: 24px; padding-block: 12px; }
.brand { display: inline-flex; flex-shrink: 0; align-items: center; gap: 10px; }
.brand-symbol { position: relative; display: inline-block; flex-shrink: 0; width: 60px; aspect-ratio: 612 / 324; overflow: hidden; vertical-align: middle; mix-blend-mode: multiply; }
.brand-symbol > img { position: absolute; width: 250.9804%; max-width: none; height: auto; left: -14.3791%; top: -110.4938%; }
.brand-name { display: grid; gap: 1px; }
.brand-name strong { color: #191d1b; font-size: 1.1875rem; font-weight: 650; line-height: 1.4; letter-spacing: .055em; }
.brand-name small { color: #606b64; font-size: .75rem; line-height: 1.2; letter-spacing: .13em; }
nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 6px 24px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: .9375rem; color: #536159; }
nav a:hover { color: #1c3126; text-decoration: underline; text-underline-offset: 6px; }
main.container { padding-top: 26px; padding-bottom: 44px; }
.hero { display: grid; grid-template-columns: 1fr 1.1fr; gap: 38px; align-items: center; padding: 22px 0 32px; scroll-margin-top: 24px; }
.hero h1 { font-size: clamp(2rem, 4.2vw, 3.25rem); line-height: 1.25; }
.hero-intro > p { max-width: 460px; margin-block: 20px 26px; color: var(--copy); font-size: 1rem; line-height: 1.85; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; gap: 8px; padding: 10px 20px; border: 1px solid transparent; border-radius: 6px; font-size: .9375rem; font-weight: 500; }
.button-primary { color: #fff; background: var(--accent); border-color: var(--accent); }
.button-primary:hover { background: #a5432e; border-color: #a5432e; }
.button-secondary { color: #37453e; background: var(--surface); border-color: #d8dfda; }
.button-secondary:hover { background: #f3f5f3; }
.hero-photo { position: relative; height: 320px; border-radius: 8px; overflow: hidden; background: #283f35; isolation: isolate; }
.hero-photo > img:first-child { width: 100%; height: 100%; object-fit: cover; }
.hero-photo > img.hero-signature { position: absolute; width: 62%; height: 55%; object-fit: contain; right: 5%; bottom: 8%; mix-blend-mode: screen; }
.section { margin-top: 34px; padding-top: 28px; border-top: 1px solid var(--line); scroll-margin-top: 24px; }
.section h2 { font-size: 1.5rem; }
.section h3 { font-size: 1.125rem; }
.section p { margin-top: 12px; font-size: 1rem; line-height: 1.85; color: var(--copy); }
.section-lead { max-width: 780px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 24px; }
.feature-grid article { padding: 22px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.workflow-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin-top: 24px; }
.step-number { display: block; font-size: .875rem; color: #a85b43; margin-bottom: 10px; }
.split-section { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; }
.disclosures { min-width: 0; }
details { padding: 14px 0; border-bottom: 1px solid var(--line); }
details:first-child { padding-top: 2px; }
summary { display: flex; min-height: 36px; justify-content: space-between; align-items: center; gap: 18px; list-style: none; cursor: pointer; font-size: 1rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; flex-shrink: 0; font-size: 1.25rem; font-weight: 400; color: #6c7770; }
details[open] summary::after { content: "−"; }
.disclosures p { padding-right: 24px; }
.partner-section { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; }
.partner-section > div:first-child p { max-width: 600px; }
.partner-points { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.contact-section { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; }
.contact-card { padding: 22px 24px; background: #eff3f0; border: 1px solid #dce4de; border-radius: 8px; min-width: 0; }
.contact-card > span { display: block; color: var(--copy); font-size: .875rem; margin-bottom: 7px; }
.contact-card > a { font-size: 1.25rem; font-weight: 550; color: var(--primary); overflow-wrap: anywhere; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.contact-card > p { font-size: .875rem; margin-top: 8px; }
.faq { margin-bottom: 12px; }
.site-footer { background: #f4f6f4; border-top: 1px solid var(--line); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px 36px; padding-block: 28px 32px; }
.footer-brand strong { font-size: 1rem; font-weight: 600; }
.footer-brand p { font-size: .875rem; color: #66736b; margin-top: 6px; }
.legal-info p { color: #5d6a62; font-size: .875rem; line-height: 1.9; }
.legal-info a { text-decoration: underline; text-underline-offset: 3px; }
.footer-divider { margin-inline: 12px; }
@media (max-width: 1000px) {
  .container { padding-inline: 24px; }
  .hero { gap: 26px; }
  .hero-photo { height: 300px; }
  .partner-section { grid-template-columns: 1fr; gap: 24px; }
  .split-section { gap: 32px; }
}
@media (max-width: 767px) {
  .container { padding-inline: 20px; }
  .header-inner { flex-wrap: wrap; gap: 10px; padding-block: 14px 4px; }
  nav { width: 100%; justify-content: space-between; gap: 4px 12px; }
  nav a { font-size: .875rem; }
  main.container { padding-top: 20px; padding-bottom: 28px; }
  .hero { grid-template-columns: 1fr; gap: 24px; padding-top: 6px; padding-bottom: 8px; }
  .hero h1 { font-size: clamp(2rem, 7.6vw, 2.75rem); }
  .hero-intro > p { margin-block: 16px 20px; }
  .hero-photo { height: auto; aspect-ratio: 1.65; }
  .desktop-break { display: none; }
  .feature-grid { grid-template-columns: 1fr; gap: 16px; }
  .feature-grid article { padding: 20px; }
  .workflow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 18px; }
  .section { margin-top: 24px; padding-top: 24px; }
  .split-section, .contact-section { grid-template-columns: 1fr; gap: 22px; }
  .footer-inner { padding-block: 24px; }
}
@media (max-width: 380px) {
  .workflow-grid, .partner-points { grid-template-columns: 1fr; }
  nav { justify-content: flex-start; gap: 4px 20px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
