/* Business introductions within THISZHOUMO's existing editorial design. */
:root { --data-green: #244f3b; }
#partnerships { background: var(--bg-deep); scroll-margin-top: 88px; }
.partnership-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 42px; }
.partnership-card { padding: 34px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; display: flex; flex-direction: column; align-items: flex-start; }
.partnership-card:first-child { background: #f0f4ee; }
.partnership-card:last-child { background: #eef1f8; }
.partnership-mark { height: 48px; width: 58px; margin-bottom: 26px; }
.partnership-mark img { width: 46px; height: 38px; object-fit: contain; }
.partnership-mark svg { width: 46px; height: 38px; }
.partnership-card h3 { font-family: var(--font-serif); font-size: clamp(26px, 3vw, 34px); line-height: 1.2; margin-bottom: 20px; }
.partnership-card p { color: var(--text-secondary); font-size: 15px; line-height: 1.8; margin-bottom: 26px; }
.partnership-card .partnership-link { margin-top: auto; }
.partnership-link { color: var(--accent); font-weight: 600; display: inline-flex; gap: 12px; align-items: center; font-size: 14px; text-decoration: none; }
.partnership-card:first-child .partnership-link { color: var(--data-green); }
.partnership-link:hover { text-decoration: underline; }
.partnership-link:focus-visible, .business-page a:focus-visible, .business-page button:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
@media (min-width: 1025px) { .nav-center { gap: 22px; } }
.business-page { --section-gap: 72px; }
.business-page section[id] { scroll-margin-top: 90px; }
.business-page .nav { position: sticky; top: 0; background: rgba(250,250,248,.96); border-bottom: 1px solid var(--border); }
.business-page .nav-brand { text-decoration: none; }
.business-nav { display: flex; align-items: center; gap: 26px; font-size: 13px; }
.business-nav a { color: var(--text-secondary); }
.business-nav a[aria-current="page"] { color: var(--text-primary); text-decoration: underline; text-underline-offset: 6px; }
.business-back { display: inline-block; color: var(--text-secondary); font-size: 13px; margin-bottom: 36px; }
.business-hero { padding: 60px 0 76px; }
.business-hero-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 60px; align-items: center; }
.business-hero h1 { font-family: var(--font-serif); font-size: clamp(38px, 5.2vw, 62px); font-weight: 500; letter-spacing: -.025em; line-height: 1.1; margin-bottom: 26px; }
.business-lead { color: var(--text-secondary); font-size: 17px; line-height: 1.85; max-width: 720px; }
.business-page .section-label { letter-spacing: 2px; font-size: 11px; }
.business-page h2 { font-family: var(--font-serif); font-size: clamp(28px, 3.8vw, 40px); font-weight: 500; line-height: 1.2; margin-bottom: 20px; }
.business-page h3 { font-size: 19px; line-height: 1.35; margin-bottom: 12px; }
.business-page p { color: var(--text-secondary); }
.business-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 30px; }
.business-data .business-actions .btn-primary { background: var(--data-green); }
.business-data .section-label { color: var(--data-green); }
.business-data .partnership-link { color: var(--data-green); }
.business-fact-panel { padding: 40px; border-radius: 22px; background: #edf2ea; border: 1px solid #dde5d7; }
.data-brand { display: flex; align-items: center; gap: 16px; color: var(--data-green); font-weight: 600; font-size: 19px; margin-bottom: 48px; }
.data-brand img { width: 48px; height: 40px; }
.supply-value { font-family: var(--font-serif); font-size: 70px; line-height: 1; color: var(--data-green); }
.supply-label { color: var(--data-green); font-size: 15px; margin-top: 12px; }
.business-fact-panel .fact-caption { margin-top: 20px; font-size: 12px; line-height: 1.65; }
.language-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.language-row span { padding: 5px 10px; border: 1px solid #d3ddcc; border-radius: 5px; font-size: 12px; color: var(--data-green); }
.business-band { background: var(--bg-primary); }
.business-section-intro { max-width: 720px; }
.business-products { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 34px; }
.business-product { border: 1px solid var(--border); padding: 28px; background: #fff; border-radius: 12px; }
.business-number { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); margin-bottom: 20px; display: block; }
.business-product p { font-size: 15px; }
.business-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 60px; }
.business-page ul { padding-left: 20px; color: var(--text-secondary); }
.business-page li { padding-left: 3px; margin: 12px 0; }
.business-page strong { color: var(--text-primary); }
.business-update { margin-top: 22px; font-family: var(--font-mono); font-size: 11px; }
.business-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; list-style: none; counter-reset: steps; padding: 0; margin-top: 36px; }
.business-steps li { border-top: 1px solid var(--border-hover); padding: 20px 0 0; margin: 0; }
.business-steps li::before { counter-increment: steps; content: '0' counter(steps); display: block; font-family: var(--font-mono); font-size: 12px; color: var(--accent); margin-bottom: 14px; }
.business-steps strong { display: block; margin-bottom: 8px; font-size: 15px; }
.business-steps p { font-size: 13px; }
.business-faq { max-width: 850px; }
.business-faq details { border-bottom: 1px solid var(--border); padding: 22px 0; }
.business-faq summary { cursor: pointer; font-size: 17px; font-weight: 500; }
.business-faq details p { margin-top: 14px; font-size: 15px; }
.business-contact-box { padding: 42px; border-radius: 20px; background: #fff; border: 1px solid var(--border); }
.business-contact-box > p { max-width: 750px; }
.business-message { padding: 20px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg-deep); margin-top: 26px; font-size: 14px; }
.business-copy { background: none; border: 1px solid var(--border-hover); padding: 10px 18px; border-radius: 8px; font: inherit; font-size: 13px; cursor: pointer; color: var(--text-primary); }
.business-copy:hover { border-color: var(--accent); }
.copy-status { min-height: 24px; font-size: 12px; margin-top: 12px; }
.business-footnote { font-size: 12px; margin-top: 32px; }
.infrastructure-panel { background: #eef1f8; border: 1px solid #dde3ef; padding: 36px; border-radius: 22px; }
.infrastructure-panel h2 { font-size: 27px; }
.infrastructure-row { display: flex; gap: 14px; padding: 18px 0; border-bottom: 1px solid #d7deec; }
.infrastructure-row:last-child { border: 0; }
.infrastructure-row > span { color: var(--accent); font-family: var(--font-mono); font-size: 11px; padding-top: 4px; }
.infrastructure-row strong { font-size: 15px; }
.infrastructure-row p { font-size: 13px; margin-top: 5px; }
.business-footer-links { display: flex; flex-wrap: wrap; gap: 22px; font-size: 13px; }
.business-footer-links a { color: var(--text-secondary); }
@media (max-width: 760px) {
  .partnership-grid, .business-hero-grid, .business-two, .business-products { grid-template-columns: 1fr; }
  .partnership-card { padding: 28px; }
  .business-hero-grid, .business-two { gap: 32px; }
  .business-hero { padding: 36px 0 52px; }
  .business-fact-panel { padding: 28px; }
  .data-brand { margin-bottom: 30px; }
  .supply-value { font-size: 60px; }
  .business-page .nav .container { flex-wrap: wrap; gap: 16px; }
  .business-nav { flex-wrap: wrap; gap: 18px; font-size: 12px; }
  .business-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .business-contact-box { padding: 26px; }
  .business-page { --section-gap: 52px; }
  .business-page section[id] { scroll-margin-top: 125px; }
}
@media (prefers-reduced-motion: reduce) { .business-page * { scroll-behavior: auto; } }