.identifier-page .hero { min-height: auto; padding-bottom: var(--space-3xl); }
.identifier-page .hero__subtitle { max-width: 680px; }
.identifier-breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; font-size: 0.82rem; color: var(--color-text-secondary); }
.identifier-breadcrumbs a:hover { color: var(--color-primary); text-decoration: underline; }
.identifier-page .tool-card { margin-top: 28px; }
.identifier-note { max-width: 720px; margin: 24px auto 0; padding: 16px 20px; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.7; }
.identifier-guide { padding: var(--space-3xl) 0; }
.identifier-guide--warm { background: var(--color-bg-warm); }
.identifier-guide__header { max-width: 750px; margin: 0 auto 32px; text-align: center; }
.identifier-guide h2 { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 12px; line-height: 1.25; }
.identifier-guide__header p { color: var(--color-text-secondary); }
.identifier-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.identifier-step { padding: 28px; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); }
.identifier-step__number { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--color-primary-bg); color: var(--color-primary); font-weight: 700; margin-bottom: 16px; }
.identifier-step h3 { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 8px; }
.identifier-step p { font-size: 0.94rem; color: var(--color-text-secondary); }
.identifier-tips { max-width: 800px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.identifier-tips li { padding: 20px; border-left: 3px solid var(--color-primary); background: var(--color-surface); border-radius: 0 var(--radius-md) var(--radius-md) 0; color: var(--color-text-secondary); }
.identifier-faq { max-width: 800px; margin: 0 auto; }
.identifier-faq details { border-bottom: 1px solid var(--color-border); padding: 20px 0; }
.identifier-faq summary { cursor: pointer; font-weight: 600; color: var(--color-text); }
.identifier-faq details p { padding-top: 12px; color: var(--color-text-secondary); }
.identifier-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.identifier-card { display: flex; flex-direction: column; align-items: flex-start; padding: 28px; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base); }
.identifier-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.identifier-card:focus-visible, .identifier-breadcrumbs a:focus-visible, .identifier-faq summary:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 4px; }
.identifier-card__icon { display: grid; place-items: center; width: 54px; height: 54px; margin-bottom: 18px; background: var(--color-primary-bg); border-radius: var(--radius-md); font-size: 1.8rem; }
.identifier-card h3 { font-family: var(--font-display); font-size: 1.2rem; line-height: 1.35; margin-bottom: 10px; }
.identifier-card p { color: var(--color-text-secondary); font-size: 0.94rem; margin-bottom: 20px; flex: 1; }
.identifier-card__link { color: var(--color-primary); font-size: 0.9rem; font-weight: 600; }
.identifying-tools-hero { padding: calc(var(--nav-height) + 56px) 0 56px; text-align: center; background: linear-gradient(165deg, var(--color-bg), var(--color-bg-warm), var(--color-primary-bg)); }
.identifying-tools-hero h1 { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.3rem); line-height: 1.2; margin: 12px 0 20px; }
.identifying-tools-hero p { max-width: 650px; margin: 0 auto; color: var(--color-text-secondary); font-size: 1.08rem; }
.identifier-support { margin-top: 36px; padding: 24px; background: var(--color-primary-bg); border-radius: var(--radius-lg); }
.identifier-support h2 { font-size: 1.3rem; }
.identifier-support a { color: var(--color-primary); font-weight: 600; text-decoration: underline; }
.identifier-search { max-width: 680px; margin: 0 auto 36px; }
.identifier-search label { display: block; font-weight: 600; margin-bottom: 10px; }
.identifier-search input { width: 100%; padding: 14px 18px; font: inherit; color: var(--color-text); background: var(--color-surface); border: 1px solid var(--color-border-hover); border-radius: var(--radius-md); }
.identifier-search input:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
.identifier-search p { margin-top: 10px; color: var(--color-text-muted); font-size: 0.85rem; }
.identifier-card[hidden], .identifier-empty[hidden] { display: none; }
.identifier-empty { padding: 28px; text-align: center; color: var(--color-text-secondary); }
@media (max-width: 900px) {
  .identifier-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .identifier-steps { gap: 16px; }
  .identifier-step { padding: 20px; }
}
@media (max-width: 600px) {
  .identifier-grid, .identifier-steps, .identifier-tips { grid-template-columns: 1fr; }
  .identifier-guide { padding: var(--space-2xl) 0; }
  .identifier-page .hero { padding-bottom: var(--space-2xl); }
  .identifier-note { padding: 16px; }
  .identifier-breadcrumbs { font-size: 0.75rem; }
}