.rcc-breadcrumb {max-width: 1200px; margin: 0 auto; padding: 1.5rem clamp(1.25rem, 3vw, 3rem) 0; display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: #475569;}
.rcc-breadcrumb a {color: #1d4ed8; text-decoration: none; font-weight: 500;}
.rcc-breadcrumb a:hover {text-decoration: underline;}
.rcc-page {max-width: 1200px; margin: 0 auto; padding: clamp(1.25rem, 3vw, 3rem); display: grid; gap: clamp(1.5rem, 2.5vw, 2.5rem);}
.rcc-section {background: var(--mct-surface, #f8fafc); border: 1px solid rgba(15, 23, 42, 0.1); border-radius: var(--mct-radius-lg, 16px); padding: clamp(1.25rem, 2.8vw, 2.25rem);}
.rcc-hero {background: linear-gradient(120deg, #ecfeff 0%, #eff6ff 45%, #fef3c7 100%); box-shadow: var(--mct-shadow-md, 0 10px 30px rgba(15,23,42,0.12));}
.rcc-hero-inner {display: grid; gap: 2rem;}
.rcc-hero-copy {display: flex; flex-direction: column; gap: 1.1rem;}
.rcc-hero-copy h1 {margin: 0; line-height: 1.2; font-size: clamp(1.8rem, 4vw, 2.4rem); color: #0f172a;}
.rcc-hero-copy p {margin: 0; font-size: 1.05rem; color: #334155; line-height: 1.5;}
.rcc-hero-summary {background: rgba(255,255,255,0.85); border: 1px solid rgba(148,163,184,0.45); border-radius: 12px; padding: 1rem; color: #0f172a; line-height: 1.5;}
.rcc-badges {display: flex; flex-wrap: wrap; gap: 0.5rem;}
.rcc-badge {border-radius: 999px; border: 1px solid rgba(15,23,42,0.18); padding: 0.3rem 0.8rem; font-size: 0.88rem; font-weight: 600; background: rgba(255,255,255,0.85); color: #0f172a;}
.rcc-cta {display: flex; flex-wrap: wrap; gap: 0.65rem;}
.rcc-meta {font-size: 0.92rem; color: #475569;}
.rcc-hero-panel {background: rgba(255, 255, 255, 0.5); border: 1px solid #fff; border-radius: 12px; padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);}
.rcc-hero-panel h2 {margin: 0; font-size: 1.25rem; color: #0f172a;}
.rcc-hero-panel p {margin: 0; font-size: 0.95rem; color: #475569;}
.rcc-hero-stats {display: grid; gap: 0.75rem;}
.rcc-hero-stat {display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(148, 163, 184, 0.3); padding-bottom: 0.5rem;}
.rcc-hero-stat:last-child {border-bottom: none; padding-bottom: 0;}
.rcc-hero-stat span {font-size: 0.9rem; color: #475569;}
.rcc-hero-stat strong {font-size: 0.95rem; color: #0f172a;}
.rcc-hero-sample {background: #fff; border: 1px solid #cbd5e1; border-radius: 10px; padding: 1rem; margin-top: 0.5rem;}
.rcc-hero-sample label {display: block; font-size: 0.75rem; font-weight: 700; color: #64748b; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.4rem;}
.rcc-hero-sample p {margin: 0; font-size: 0.9rem; line-height: 1.5; color: #334155;}
.rcc-btn {min-height: 44px; border-radius: 10px; border: 1px solid transparent; padding: 0.6rem 1rem; font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center;}
.rcc-btn-primary {background: #1d4ed8; color: #fff;}
.rcc-btn-secondary {background: #fff; color: #0f172a; border-color: #94a3b8;}

.rcc-steps-grid {display: grid; gap: 1rem;}
.rcc-step-card {background: #fff; border: 1px solid #cbd5e1; border-radius: 12px; padding: 1.25rem; display: flex; gap: 1rem; align-items: flex-start; box-shadow: 0 2px 5px rgba(0,0,0,0.02); transition: transform 0.2s ease, box-shadow 0.2s ease;}
.rcc-step-card:hover {transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.05);}
.rcc-step-number {background: #eff6ff; color: #1d4ed8; width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; border: 2px solid #bfdbfe; font-size: 0.95rem;}
.rcc-step-content h3 {margin: 0 0 0.4rem 0; font-size: 1.05rem; color: #0f172a;}
.rcc-step-content p {margin: 0; font-size: 0.95rem; color: #475569; line-height: 1.5;}

.rcc-core {border: 2px solid #bfdbfe; background: linear-gradient(180deg, #eff6ff 0%, #fff 70%);}
.rcc-grid {display: grid; gap: 1rem;}
.rcc-field {display: grid; gap: 0.45rem;}
.rcc-field label {font-weight: 700; color: #0f172a;}
.rcc-input {min-height: 44px; width: 100%; border: 1px solid #94a3b8; border-radius: 10px; padding: 0.55rem 0.7rem; font: inherit; color: #0f172a; background: #fff;}
.rcc-hint {font-size: 0.86rem; color: #475569;}
.rcc-actions {display: flex; flex-wrap: wrap; gap: 0.65rem;}
.rcc-status {min-height: 56px; border-radius: 12px; border: 1px solid transparent; padding: 0.85rem 1rem; font-weight: 600;}
.rcc-status-info {background: #eff6ff; border-color: #bfdbfe; color: #1e3a8a;}
.rcc-status-success {background: #ecfdf5; border-color: #86efac; color: #14532d;}
.rcc-status-error {background: #fef2f2; border-color: #fca5a5; color: #7f1d1d;}
.rcc-result {border: 1px solid #cbd5e1; border-radius: 12px; background: #fff; padding: 1rem;}
.rcc-result-grid {display: grid; gap: 0.7rem; margin-top: 0.8rem;}
.rcc-result-card {border: 1px solid #e2e8f0; border-radius: 10px; background: #f8fafc; padding: 0.75rem;}
.rcc-result-card strong {display: block; margin-top: 0.2rem; color: #0f172a;}
.rcc-advanced-wrap[hidden] {display: none;}
.rcc-advanced-wrap {margin-top: 0.8rem; border: 1px dashed #94a3b8; border-radius: 12px; padding: 0.9rem; background: #f8fafc;}

.rcc-content p {line-height: 1.75;}
.rcc-content ul {padding-left: 1.1rem;}
.rcc-content li {line-height: 1.7;}

.rcc-related-intro {font-size: 0.95rem; color: #475569; margin-bottom: 1rem; line-height: 1.5;}
.rcc-related-grid {display: grid; gap: 1rem;}
.rcc-related-card {display: flex; flex-direction: column; padding: 1.25rem; border: 1px solid #cbd5e1; border-radius: 12px; background: #fff; text-decoration: none; transition: transform 0.2s ease, box-shadow 0.2s ease;}
.rcc-related-card:hover, .rcc-related-card:focus-visible {transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.05); outline: none; border-color: #60a5fa;}
.rcc-related-card strong {color: #1d4ed8; font-size: 1.05rem; margin-bottom: 0.4rem;}
.rcc-related-card span {font-size: 0.9rem; color: #475569; line-height: 1.4;}

.rcc-btn:focus-visible,
.rcc-input:focus-visible,
.rcc-accordion-btn:focus-visible {outline: 3px solid #60a5fa; outline-offset: 2px;}

.rcc-text-grid {display: grid; gap: 1rem; margin: 1.25rem 0;}
.rcc-text-card {background: #fff; border: 1px solid #cbd5e1; border-radius: 12px; padding: 1.25rem; transition: transform 0.2s ease, box-shadow 0.2s ease;}
.rcc-text-card:hover {transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.05);}
.rcc-text-card h3 {margin: 0 0 0.5rem 0; font-size: 1.05rem; color: #0f172a;}
.rcc-text-card p {margin: 0; font-size: 0.95rem; color: #475569; line-height: 1.5;}
.rcc-callout {background: #f8fafc; border-left: 4px solid #3b82f6; padding: 1rem; border-radius: 0 8px 8px 0; margin: 1.25rem 0; color: #0f172a; font-size: 0.95rem; line-height: 1.5;}
.rcc-checklist {list-style: none; padding: 0; margin: 1.25rem 0; display: grid; gap: 0.6rem;}
.rcc-checklist li {position: relative; padding-left: 1.6rem; color: #334155; line-height: 1.5;}
.rcc-checklist li::before {content: "✓"; position: absolute; left: 0; color: #16a34a; font-weight: bold; font-size: 1.1rem;}

.rcc-accordion {display: grid; gap: 0.7rem;}
.rcc-accordion-item {border: 1px solid #cbd5e1; border-radius: 12px; background: #fff; overflow: hidden;}
.rcc-accordion-btn {width: 100%; min-height: 44px; border: 0; background: transparent; text-align: left; padding: 0.8rem 0.9rem; display: flex; align-items: center; justify-content: space-between; gap: 0.8rem; font: inherit; font-weight: 700; color: #0f172a; cursor: pointer;}
.rcc-accordion-symbol {width: 26px; height: 26px; border-radius: 999px; border: 1px solid #cbd5e1; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;}
.rcc-accordion-panel {padding: 0 0.9rem 0.9rem;}

@media (min-width: 840px) {
  .rcc-grid {grid-template-columns: repeat(2, minmax(0, 1fr));}
  .rcc-result-grid {grid-template-columns: repeat(2, minmax(0, 1fr));}
  .rcc-hero-inner {grid-template-columns: 1fr 340px; align-items: center;}
  .rcc-steps-grid {grid-template-columns: repeat(2, minmax(0, 1fr));}
  .rcc-step-card:last-child:nth-child(odd) {grid-column: 1 / -1;}
  .rcc-text-grid {grid-template-columns: repeat(3, minmax(0, 1fr));}
  .rcc-related-grid {grid-template-columns: repeat(4, minmax(0, 1fr));}
}

@media (max-width: 639px) {
  .rcc-actions {flex-direction: column;}
  .rcc-actions .rcc-btn {width: 100%;}
}