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var(--line);border-top:none;border-bottom:none;border-left:none;border-radius:0;padding:16px 14px;overflow-y:auto;min-height:0;transition:padding .2s ease}.kpage-collapsed .kpage-tree{padding:16px 4px}.kpage-collapsed .tree-domain-row{flex-direction:column;gap:4px;padding:10px 4px;justify-content:center;text-align:center}.kpage-collapsed .tree-domain-row .tree-count{font-size:.6875rem}.kpage-gutter{background:transparent;border:none;border-right:1px solid var(--line);cursor:pointer;color:var(--muted);display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s;padding:0}.kpage-gutter:hover{background:var(--panel-tint);color:var(--accent)}.kpage-panel{background:var(--bg);border-radius:0;padding:20px 24px;display:flex;flex-direction:column;min-height:0;overflow:hidden}.panel-article--full{flex:1;display:flex;flex-direction:column;min-height:0}.panel-article--full .panel-iframe{flex:1;width:100%;min-height:0;height:100%;border:1px solid var(--line);border-radius:8px;background:#fff}@media (max-width: 860px){.kpage-grid{grid-template-columns:1fr;grid-template-rows:auto 16px 1fr}.kpage-tree{border-right:none;border-bottom:1px solid var(--line);max-height:240px}.kpage-gutter{border-right:none;border-bottom:1px solid var(--line)}.kpage-panel{padding:16px}.kpage-collapsed .kpage-grid{grid-template-columns:48px 1fr}.kpage-collapsed .kpage-gutter{display:none}}.contact{min-height:56dvh;display:flex;align-items:center;padding:64px 0 40px;background:radial-gradient(circle at 20% 30%,rgba(194,106,72,.08),transparent 55%),var(--bg)}.contact-inner{display:flex;flex-direction:column;gap:64px;width:100%}.contact-content{display:flex;flex-direction:column;align-items:flex-start;gap:20px}.contact-title{font-size:clamp(2.25rem,5.5vw,3.75rem);line-height:1.1;max-width:18ch}.contact-greeting{font-family:var(--font-sans);font-size:1rem;color:var(--sub);margin-top:4px}.contact-email{display:inline-flex;align-items:center;gap:12px;font-family:var(--font-display);font-size:clamp(1.25rem,3vw,1.75rem);font-weight:600;color:var(--accent);text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:1.5px;text-decoration-color:var(--accent-soft);transition:text-decoration-color var(--dur) var(--ease)}.contact-email:hover{text-decoration-color:var(--accent)}.contact-footer{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:.875rem}.contact-top{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:.875rem;transition:color var(--dur) var(--ease)}.contact-top:hover{color:var(--accent)}.contact-footer-left{display:flex;flex-direction:column;gap:4px}.contact-beian{font-size:.75rem;color:var(--muted);text-decoration:none;transition:color var(--dur) var(--ease)}.contact-beian:hover{color:var(--accent)}@media (max-width: 560px){.contact-footer{flex-direction:column;gap:14px;align-items:flex-start}}