.support-container{--sp-bg: var(--bg-light);--sp-card: var(--bg-light);--sp-border: var(--border-light);--sp-text: var(--text-on-light);--sp-muted: var(--text-muted);--sp-accent: var(--brand-primary);min-height:calc(100vh - 72px);width:100%;max-width:100%;flex:1 1 auto;min-width:0;background:var(--sp-bg);padding:16px;display:grid;gap:12px}.support-header{border:1px solid var(--sp-border);background:var(--sp-card);border-radius:8px;padding:14px;display:flex;align-items:center;justify-content:space-between;gap:12px}.support-header h1{margin:0;color:#1e3f64;font-size:30px}.support-header p{margin:6px 0 0;color:var(--sp-muted);font-size:13px}.support-refresh{border:1px solid #d5e2f2;background:#fff;color:#335983;border-radius:6px;padding:8px 12px;font-size:12px;font-weight:800;cursor:pointer}.support-error{border:1px solid #f3c9c9;background:#fdeeee;color:#a73838;border-radius:8px;padding:10px 12px;font-size:13px;font-weight:700}.support-layout{display:grid;grid-template-columns:minmax(310px,360px) minmax(0,1fr) minmax(280px,340px);gap:12px;align-items:start}.support-left,.support-middle,.support-right{display:grid;gap:12px}.support-card{border:1px solid var(--sp-border);background:var(--sp-card);border-radius:8px;padding:12px}.support-card h2{margin:0 0 10px;color:#24486f}.support-form{display:grid;gap:10px}.support-form label{color:#617f9f;font-size:12px;font-weight:800;display:grid;gap:6px}.support-form input,.support-form textarea,.faq-search{border:1px solid #d5e2f2;background:#fff;border-radius:6px;padding:10px;color:var(--sp-text);font-size:13px}.support-form input:focus,.support-form textarea:focus,.faq-search:focus{outline:none;border-color:#8ab1df;box-shadow:0 0 0 3px #0f5db31f}.primary-btn{border:1px solid var(--sp-accent);background:var(--sp-accent);color:#fff;border-radius:6px;padding:10px 12px;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.6px;cursor:pointer}.primary-btn:disabled{opacity:.55;cursor:not-allowed}.thread-list-head{display:flex;justify-content:space-between;align-items:center}.thread-list-head span{min-width:24px;height:24px;border-radius:999px;background:#e6f0fd;color:#2f5782;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:900}.thread-list{display:grid;gap:7px}.thread-item{border:1px solid #dbe7f5;background:#f8fbff;border-radius:8px;padding:9px;display:flex;justify-content:space-between;align-items:center;gap:8px;cursor:pointer;text-align:left}.thread-item.active{border-color:#91b4df;background:#ecf5ff}.thread-item strong{color:#2a4d73;font-size:13px}.thread-item p{margin:4px 0 0;color:#758da8;font-size:11px}.status{font-size:10px;text-transform:uppercase;border-radius:999px;padding:4px 8px;font-weight:900;white-space:nowrap}.status.open{background:#fff4d6;color:#9e7b1f}.status.answered,.status.completed{background:#e8f7ef;color:#1f7c52}.status.closed{background:#f0f3f8;color:#607996}.thread-view{min-height:520px}.thread-content{display:grid;gap:10px}.thread-main-message,.reply-item{border:1px solid #dce8f6;border-radius:8px;padding:10px;background:#f9fcff}.thread-main-message h3{margin:4px 0 8px;color:#244a73}.thread-main-message p,.reply-item p{margin:0;color:#42668f;font-size:13px;line-height:1.5}.thread-meta{display:flex;justify-content:space-between;align-items:center;color:#7189a5;font-size:11px;gap:10px}.faq-list{margin-top:10px;display:grid;gap:7px}.faq-item{border:1px solid #dce8f6;border-radius:8px;background:#f8fbff;padding:9px}.faq-item summary{cursor:pointer;font-size:13px;font-weight:800;color:#2b4f79}.faq-item p{margin:7px 0 0;color:#557393;font-size:12px;line-height:1.5}.support-empty{color:#728ba7;font-size:13px;padding:8px 0}@media(max-width:1180px){.support-layout{grid-template-columns:1fr}.thread-view{min-height:auto}}@media(max-width:820px){.support-container{padding:10px}.support-header{flex-direction:column;align-items:flex-start}.support-header h1{font-size:24px}}