.page-body { min-height: 100vh; background: #f7f9fc; }
.page-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(223,232,244,.9); background: rgba(255,255,255,.92); backdrop-filter: blur(16px); }
.page-header-row { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.page-logo img { width: 150px; }
.page-back { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 13px; color: var(--ink-2); background: #fff; font-size: .82rem; font-weight: 700; }
.page-main { padding: 72px 0 96px; }
.page-hero { max-width: 800px; margin-bottom: 46px; }
.page-kicker { display: inline-block; margin-bottom: 14px; color: var(--blue); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.page-hero h1 { font-size: clamp(2.7rem, 6vw, 4.8rem); font-weight: 700; line-height: 1.03; letter-spacing: -.05em; }
.page-hero > p { max-width: 680px; margin-top: 18px; color: var(--muted); font-size: 1.05rem; line-height: 1.7; }
.page-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.page-meta span { padding: 8px 11px; border: 1px solid var(--line); border-radius: 10px; color: var(--muted); background: #fff; font-size: .72rem; font-weight: 650; }
.document-layout { display: grid; grid-template-columns: 220px minmax(0, 760px); gap: 54px; align-items: start; }
.document-nav { position: sticky; top: 96px; display: grid; gap: 5px; }
.document-nav a { padding: 9px 11px; border-radius: 10px; color: var(--muted); font-size: .78rem; font-weight: 650; }
.document-nav a:hover { color: var(--blue); background: #eaf3ff; }
.document { display: grid; gap: 12px; }
.document section { padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: 0 10px 32px rgba(7,17,31,.045); scroll-margin-top: 94px; }
.document h2 { font-size: 1.3rem; font-weight: 700; letter-spacing: -.025em; }
.document p, .document li { color: #5c6a80; font-size: .9rem; line-height: 1.75; }
.document p { margin-top: 10px; }
.document ul { display: grid; gap: 7px; margin-top: 12px; }
.document li { position: relative; padding-left: 18px; }
.document li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }
.document a { color: var(--blue); font-weight: 650; }
.page-contact { display: inline-flex; align-items: center; gap: 12px; margin-top: 16px; padding: 12px 15px; border-radius: 13px; color: #fff !important; background: var(--ink); }
.about-page-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px; }
.about-page-card { padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow); }
.about-page-card h2 { font-size: 1.55rem; }
.about-page-card p { margin-top: 12px; color: var(--muted); line-height: 1.7; }
.value-list { display: grid; gap: 10px; }
.value-list div { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.value-list strong { display: block; }
.value-list span { display: block; margin-top: 4px; color: var(--muted); font-size: .82rem; }
.about-story { max-width: 100%; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin-top: 16px; }
.about-story section { padding: 24px; }
.support-page-card { max-width: 760px; padding: 34px; border-radius: 24px; color: #fff; background: linear-gradient(135deg, #07111f, #15365f); box-shadow: var(--shadow-strong); }
.support-page-card h2 { color: #fff; font-size: 2rem; }
.support-page-card p { margin-top: 10px; color: rgba(255,255,255,.7); }
.page-footer { padding: 28px 0; border-top: 1px solid var(--line); color: var(--muted); background: #fff; font-size: .78rem; }
.page-footer-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.page-footer nav { display: flex; flex-wrap: wrap; gap: 14px; }
@media (max-width: 760px) {
  .page-header-row { height: 62px; }
  .page-logo img { width: 128px; }
  .page-main { padding: 44px 0 68px; }
  .page-hero { margin-bottom: 28px; }
  .page-hero h1 { font-size: 2.35rem; }
  .document-layout, .about-page-grid, .about-story { grid-template-columns: 1fr; gap: 18px; }
  .document-nav { position: static; display: flex; overflow-x: auto; padding-bottom: 4px; }
  .document-nav a { flex: none; border: 1px solid var(--line); background: #fff; }
  .document section, .about-page-card, .support-page-card { padding: 20px; border-radius: 18px; }
}