*{box-sizing:border-box}:root{--brand: #2563EB;--brand-hover: #1D4ED8;--brand-press: #1D4ED8;--brand-weak: #EFF6FF;--brand-soft: #DBEAFE;--brand-ring: rgba(37, 99, 235, .15);--brand-grad: linear-gradient(135deg, #3B82F6 0%, #2563EB 60%, #1D4ED8 100%);--bg: #F9FAFB;--bg-deep: #F3F4F6;--card: #FFFFFF;--text: #111827;--text-weak: #4B5563;--text-mute: #9CA3AF;--line: #E5E7EB;--line-soft: #F3F4F6;--ok: #10B981;--warn: #F59E0B;--danger: #DC2626;--shadow-1: 0 1px 2px rgba(16, 24, 40, .04), 0 1px 3px rgba(16, 24, 40, .05);--shadow-2: 0 8px 24px rgba(16, 24, 40, .08), 0 2px 6px rgba(16, 24, 40, .04);--shadow-3: -24px 0 60px rgba(16, 24, 40, .18);--r-sm: 10px;--r-md: 14px;--r-lg: 18px;--r-xl: 24px;--r-pill: 999px;--fs-hero: clamp(26px, 3.6vw, 44px);--fs-h2: 22px;--fs-h3: 17px;--fs-body: 14px;--fs-sm: 13px;--fs-xs: 12px;--ease-out: cubic-bezier(.22, .61, .36, 1);--dur: .42s;--dur-fast: .18s;--max: 1280px;--topbar-h: 64px;--side-w: 380px;--page-gap: 24px;--main-sticky-top: 138px}html{scroll-behavior:smooth}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:PingFang SC,Microsoft YaHei,system-ui,-apple-system,Segoe UI,sans-serif;font-size:var(--fs-body);line-height:1.5;-webkit-font-smoothing:antialiased}button,input,select,textarea{font-family:inherit;font-size:var(--fs-body)}img{display:block}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:30;background:#ffffffe0;-webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}.topbar-inner{max-width:var(--max);margin:0 auto;padding:0 20px;height:var(--topbar-h);display:flex;align-items:center;gap:18px}.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;cursor:pointer}.brand-logo{width:38px;height:38px;border-radius:11px;background:var(--brand-grad);color:#fff;font-weight:800;font-size:17px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px var(--brand-ring)}.brand-text{font-weight:800;font-size:17px;letter-spacing:.4px}.brand-sub{font-size:11px;color:var(--text-mute);margin-top:-1px}.top-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:auto}.top-link{height:40px;padding:0 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);color:var(--text-weak);cursor:pointer;display:inline-flex;align-items:center;gap:7px;font-weight:500;transition:border-color var(--dur-fast),background var(--dur-fast),color var(--dur-fast)}.top-link:hover{border-color:var(--brand-soft);color:var(--brand);background:var(--brand-weak)}.top-link.active{background:var(--brand-weak);border-color:var(--brand-soft);color:var(--brand);font-weight:700}.breadcrumb{display:flex;align-items:center;gap:4px;font-size:13px;color:var(--text-mute)}.crumb-sep{margin:0 6px;color:var(--line)}.crumb-link{background:none;border:none;color:var(--brand);cursor:pointer;padding:0;font-size:13px}.crumb-link:hover{text-decoration:underline}.crumb-current{color:var(--text);font-weight:600}.cart-btn{position:relative;background:none;border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 14px;cursor:pointer;font-size:15px;line-height:1;color:var(--text);display:inline-flex;align-items:center;gap:6px;transition:background var(--dur-fast),border-color var(--dur-fast)}.cart-btn:hover{background:var(--bg-deep);border-color:var(--brand-soft)}.cart-badge{min-width:20px;height:20px;border-radius:10px;background:var(--brand);color:#fff;font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;padding:0 6px}.chip-bar{border-top:1px solid var(--line-soft);background:#ffffffbd}.chip-bar-inner{max-width:var(--max);margin:0 auto;padding:9px 20px;display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none}.chip-bar-inner::-webkit-scrollbar{display:none}.chip-bar-label{font-size:var(--fs-xs);color:var(--text-mute);flex-shrink:0}.ind-chip{flex-shrink:0;height:32px;padding:0 15px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);color:var(--text-weak);cursor:pointer;display:inline-flex;align-items:center;font-size:var(--fs-sm);transition:color var(--dur-fast),border-color var(--dur-fast),background var(--dur-fast),box-shadow var(--dur-fast)}.ind-chip:hover{color:var(--brand);border-color:var(--brand-soft);background:var(--brand-weak)}.ind-chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;box-shadow:0 4px 12px var(--brand-ring)}.search-wrap{position:relative;flex:1;max-width:420px}.search{width:100%;height:42px;padding:0 16px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--bg);color:var(--text);outline:none;transition:border-color var(--dur-fast),box-shadow var(--dur-fast),background var(--dur-fast)}.search::placeholder{color:var(--text-mute)}.search:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px var(--brand-ring)}.hot-chip-row{position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:40;display:flex;align-items:center;gap:6px;padding:10px 12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-2);flex-wrap:wrap}.hot-chip-label{font-size:var(--fs-xs);color:var(--text-mute);flex-shrink:0;margin-right:2px}.hot-chip{height:28px;padding:0 12px;border-radius:var(--r-pill);background:var(--brand-weak);border:1px solid var(--brand-soft);color:var(--brand);font-size:var(--fs-xs);font-weight:600;cursor:pointer;display:inline-flex;align-items:center;transition:background var(--dur-fast),color var(--dur-fast),border-color var(--dur-fast),transform var(--dur-fast)}.hot-chip:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-1px)}.hot-chip:active{transform:translateY(0)}.wrap{max-width:var(--max);margin:0 auto;padding:26px 20px 72px}.back-row{display:flex;align-items:center;gap:14px;margin-bottom:22px}.ind-detail{display:grid;grid-template-columns:var(--side-w) 1fr;gap:20px;align-items:start}.ind-side,.ind-side-nav{display:flex;flex-direction:column;gap:10px}.side-panel{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden}.side-panel-head{display:flex;align-items:center;gap:8px;width:100%;padding:12px 14px;background:none;border:none;cursor:pointer;transition:background var(--dur-fast)}.side-panel-head:hover{background:var(--bg-deep)}.side-panel-head.open{border-bottom:1px solid var(--line-soft);background:var(--bg-deep)}.side-panel-head.open .side-panel-title{color:var(--brand)}.side-panel-letter{width:26px;height:26px;border-radius:7px;flex-shrink:0;background:linear-gradient(135deg,var(--brand) 0%,#3B82F6 100%);color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 6px #2563eb40}.side-panel-title{flex:1;text-align:left;font-size:13.5px;font-weight:700;color:var(--text);letter-spacing:.2px}.side-panel-count{font-size:11px;color:var(--text-mute);background:var(--bg-deep);border-radius:10px;padding:2px 8px;font-variant-numeric:tabular-nums}.side-panel-head.open .side-panel-count{background:var(--brand-soft);color:var(--brand);font-weight:700}.side-panel-arrow{font-size:9px;color:var(--text-mute);flex-shrink:0}.side-panel-body{padding:10px}.side-scn-grid{display:flex;flex-direction:column;gap:8px}.side-scn-card{border:1px solid transparent;border-radius:var(--r-md);padding:0;text-align:left;overflow:hidden;position:relative;display:flex;transition:background var(--dur-fast),border-color var(--dur-fast)}.side-scn-card-main{display:flex;flex:1;border:none;background:none;padding:0;cursor:pointer;text-align:left}.side-scn-card:hover{background:var(--bg-deep);border-color:var(--line)}.side-scn-card:hover .side-scn-card-thumb{transform:scale(1.06)}.side-scn-card.active{border-color:var(--brand);background:var(--brand-weak)}.side-scn-card.active:before{content:"";position:absolute;right:0;top:6px;bottom:6px;width:3px;border-radius:2px 0 0 2px;background:linear-gradient(180deg,var(--brand) 0%,#3B82F6 100%)}.side-scn-fave{position:absolute;top:8px;right:8px;width:26px;height:26px;border-radius:13px;border:1px solid var(--line);background:#ffffffeb;color:var(--text-mute);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;z-index:2;transition:color var(--dur-fast),border-color var(--dur-fast),background var(--dur-fast),transform var(--dur-fast);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.side-scn-fave:hover{transform:scale(1.08);color:#b45309;border-color:#fcd34d}.side-scn-fave.active{color:#f59e0b;border-color:#fcd34d;background:#fffbebf5}.side-scn-card-thumb{width:96px;height:74px;flex-shrink:0;object-fit:cover;background:var(--bg-deep);transition:transform .35s var(--ease-out);border-radius:8px;margin:8px 0 8px 8px}.side-scn-card-body{flex:1;padding:8px 12px;min-width:0;display:flex;flex-direction:column;gap:3px}.side-scn-card-name{font-size:14px;font-weight:700;color:var(--text);line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.side-scn-card.active .side-scn-card-name{color:var(--brand);font-weight:800}.side-scn-card-desc{font-size:12px;color:var(--text-mute);line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.side-scn-card-meta{display:flex;gap:4px;margin-top:auto}.side-scn-badge{display:inline-flex;align-items:center;gap:2px;font-size:10px;color:var(--text-mute);background:var(--bg-deep);border-radius:8px;padding:2px 6px;line-height:1}.side-scn-card.active .side-scn-badge{background:var(--brand-weak);color:var(--brand);font-weight:600}.side-scn-badge-icon{font-size:9px}.ind-main{position:sticky;top:var(--main-sticky-top);align-self:start;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);box-shadow:var(--shadow-2);padding:22px 24px 28px;z-index:1}.scn-hero{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--line-soft)}.scn-title{font-size:20px;font-weight:800;margin:0 0 4px;letter-spacing:-.2px}.scn-intro{font-size:13.5px;color:var(--text-weak);margin:0;line-height:1.6}.prod-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.prod-card{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;cursor:pointer;box-shadow:var(--shadow-1);transition:box-shadow var(--dur-fast),transform var(--dur-fast),border-color var(--dur-fast);display:flex;flex-direction:column;position:relative}.prod-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:var(--brand-soft)}.prod-card-tag{position:absolute;top:10px;left:10px;z-index:2;background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;font-size:10.5px;font-weight:700;padding:3px 8px;border-radius:6px;box-shadow:0 2px 6px #d977064d;letter-spacing:.3px}.prod-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--bg-deep);transition:transform .35s var(--ease-out)}.prod-card:hover img{transform:scale(1.05)}.prod-card-body{padding:14px 16px 16px;flex:1;display:flex;flex-direction:column}.prod-card-name{font-size:15.5px;font-weight:700;color:var(--text)}.prod-card-spec{font-size:12px;color:var(--text-mute);margin-top:3px;line-height:1.5}.prod-card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px}.prod-card-price{font-size:18px;font-weight:800;color:var(--brand);letter-spacing:-.3px}.prod-card-price small{font-size:11px;font-weight:500;color:var(--text-mute);margin-left:2px}.prod-card-buy{height:32px;padding:0 16px;border-radius:16px;background:var(--brand);border:none;color:#fff;font-size:12px;font-weight:600;cursor:pointer;box-shadow:0 2px 8px var(--brand-ring);transition:background var(--dur-fast),box-shadow var(--dur-fast),transform var(--dur-fast)}.prod-card-buy:hover{background:var(--brand-hover);box-shadow:0 4px 12px var(--brand-ring);transform:scale(1.03)}.tpl-section{margin-top:36px;padding-top:20px;border-top:1px dashed var(--line)}.tpl-title{font-size:16px;font-weight:700;margin:0 0 14px}.tpl-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.tpl-item{border-radius:var(--r-md);overflow:hidden;cursor:pointer;border:1px solid var(--line);transition:border-color var(--dur-fast),box-shadow var(--dur-fast)}.tpl-item:hover{border-color:var(--brand);box-shadow:var(--shadow-1)}.tpl-item img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--bg-deep)}.tpl-name{padding:8px 10px;font-size:12px;color:var(--text-weak);text-align:center}.spec-drawer-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;background:#0f152073;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);animation:fadeIn .2s var(--ease-out)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.spec-drawer{position:fixed;top:0;right:0;bottom:0;z-index:91;width:min(520px,100%);background:#fff;box-shadow:var(--shadow-3);display:flex;flex-direction:column;animation:drawerSlide .26s var(--ease-out)}@keyframes drawerSlide{0%{transform:translate(100%)}to{transform:translate(0)}}.spec-drawer-head{flex-shrink:0;padding:18px 22px 14px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.spec-drawer-title{font-size:17px;font-weight:800;margin:0}.spec-drawer-sub{font-size:12px;color:var(--text-mute);margin-top:4px}.spec-drawer-close{width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--text-weak);cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center;transition:background var(--dur-fast),color var(--dur-fast)}.spec-drawer-close:hover{background:var(--bg-deep);color:var(--text)}.spec-drawer-body{flex:1;overflow-y:auto;padding:18px 22px 24px;display:flex;flex-direction:column;gap:14px}.spec-field-label{font-size:var(--fs-sm);color:var(--text-weak);margin-bottom:8px}.spec-field-label span{color:var(--text-mute);margin-left:4px;font-size:var(--fs-xs)}.spec-chips{display:flex;flex-wrap:wrap;gap:8px}.spec-chip{height:34px;padding:0 14px;border-radius:17px;background:#fff;border:1px solid var(--line);color:var(--text);font-size:var(--fs-sm);cursor:pointer;display:inline-flex;align-items:center;transition:border-color var(--dur-fast),background var(--dur-fast),color var(--dur-fast)}.spec-chip:hover{border-color:var(--brand-soft);background:var(--brand-weak)}.spec-chip.active{border-color:var(--brand);background:var(--brand);color:#fff;font-weight:600}.spec-qty-row{display:flex;align-items:center;justify-content:space-between;padding-top:6px}.spec-qty-label{font-size:var(--fs-sm);color:var(--text-weak)}.spec-qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}.spec-qty button{width:34px;height:34px;border:none;background:#fff;cursor:pointer;font-size:16px;color:var(--text);transition:background var(--dur-fast)}.spec-qty button:hover{background:var(--bg-deep)}.spec-qty span{width:44px;text-align:center;font-size:var(--fs-sm);font-weight:600}.spec-quote{margin-top:6px;background:var(--bg-deep);border-radius:var(--r-md);padding:14px 16px}.spec-quote-row{display:flex;justify-content:space-between;font-size:var(--fs-sm);color:var(--text-weak);padding:3px 0}.spec-quote-line{height:1px;background:var(--line);margin:10px 0}.spec-quote-total{display:flex;justify-content:space-between;align-items:baseline;font-weight:700}.spec-quote-total-value{font-size:22px;font-weight:800;color:var(--brand);letter-spacing:-.3px}.spec-drawer-foot{flex-shrink:0;padding:14px 22px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}.spec-add-cart{width:100%}.btn-primary{height:44px;padding:0 26px;border-radius:var(--r-md);background:var(--brand);border:1px solid var(--brand);color:#fff;cursor:pointer;font-size:15px;font-weight:600;letter-spacing:.2px;box-shadow:0 6px 16px var(--brand-ring);transition:background var(--dur-fast),border-color var(--dur-fast),box-shadow var(--dur-fast)}.btn-primary:hover{background:var(--brand-hover);border-color:var(--brand-hover)}.btn-primary:disabled{background:#b8c2d9;border-color:#b8c2d9;box-shadow:none;cursor:not-allowed}.btn-ghost{height:44px;padding:0 18px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);color:var(--text);cursor:pointer;display:inline-flex;align-items:center;gap:7px;font-weight:500;transition:border-color var(--dur-fast),background var(--dur-fast),color var(--dur-fast)}.btn-ghost:hover{border-color:var(--brand-soft);color:var(--brand);background:var(--brand-weak)}.btn-ghost:disabled{opacity:.5;cursor:not-allowed}.street-hero{padding:32px 0 28px;text-align:center}.street-hero-title{font-size:clamp(30px,4.2vw,44px);font-weight:800;letter-spacing:-.5px;margin:0 0 10px;color:var(--text)}.street-hero-title span{background:var(--brand-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.street-hero-desc{font-size:15px;color:var(--text-weak);margin:0}.search-results-section{padding:4px 0 24px}.search-results-section-title{font-size:14px;font-weight:700;color:var(--text-weak);margin:0 0 14px;padding-left:2px}.search-results-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.search-scn-card{display:flex;gap:12px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);cursor:pointer;text-align:left;box-shadow:var(--shadow-1);transition:transform var(--dur-fast),box-shadow var(--dur-fast),border-color var(--dur-fast)}.search-scn-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-soft)}.search-scn-thumb{width:80px;height:60px;flex-shrink:0;border-radius:var(--r-md);overflow:hidden;background:var(--bg-deep)}.search-scn-thumb img{width:100%;height:100%;object-fit:cover}.search-scn-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}.search-scn-name{font-size:14px;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-scn-desc{font-size:12px;color:var(--text-mute);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.search-scn-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:4px}.search-scn-badge{font-size:11px;font-weight:600;color:var(--brand);background:var(--brand-weak);padding:2px 8px;border-radius:var(--r-pill)}.search-scn-arrow{font-size:12px;color:var(--brand);font-weight:700}.search-empty{text-align:center;padding:40px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg)}.search-empty-icon{font-size:42px;margin-bottom:12px}.search-empty-title{font-size:16px;font-weight:700;margin-bottom:6px}.search-empty-desc{font-size:13px;color:var(--text-mute)}.ind-showcase{padding:16px 0 48px}.ind-showcase-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.ind-tile{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;cursor:pointer;transition:transform var(--dur),box-shadow var(--dur),border-color var(--dur);display:flex;flex-direction:column}.ind-tile:hover{transform:translateY(-4px);box-shadow:0 14px 36px #1018281a;border-color:var(--brand-soft)}.ind-tile-img{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-deep)}.ind-tile-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease-out),filter .4s var(--ease-out);filter:saturate(1.05)}.ind-tile:hover .ind-tile-img img{transform:scale(1.05);filter:saturate(1.15) brightness(1.02)}.ind-tile-img:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#ffffff0a,#2563eb0f);pointer-events:none}.ind-tile-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:4px;flex:1}.ind-tile-name{font-size:16px;font-weight:700;color:var(--text)}.ind-tile-desc{font-size:12.5px;color:var(--text-weak);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:38px}.ind-tile-meta{margin-top:auto;padding-top:10px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-mute);font-weight:500}.ind-tile-arrow{color:var(--brand);font-weight:700;transition:transform var(--dur-fast)}.ind-tile:hover .ind-tile-arrow{transform:translate(3px)}.ind-grid,.ind-card{display:none}@media (max-width: 640px){.ind-showcase-grid{grid-template-columns:1fr;gap:16px}.street-hero{padding:36px 0 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2px;min-height:200px;scroll-behavior:smooth}.chat-empty{text-align:center;padding:40px 20px}.chat-empty-logo{width:48px;height:48px;border-radius:12px;background:var(--brand-grad);color:#fff;font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;box-shadow:0 4px 12px #2563eb40}.chat-empty-title{font-size:14px;font-weight:600;color:var(--text);margin:0 0 6px}.chat-empty-desc{font-size:12px;color:var(--text-weak);margin:0;line-height:1.7}.chat-msg{display:flex;gap:8px;margin-bottom:12px;align-items:flex-end}.chat-msg.is-customer{flex-direction:row-reverse}.chat-avatar{width:28px;height:28px;border-radius:8px;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;flex-shrink:0}.chat-avatar.is-me{background:var(--bg-deep);color:var(--text-weak)}.chat-bubble{max-width:78%;display:flex;flex-direction:column;gap:3px}.chat-msg.is-agent .chat-bubble{align-items:flex-start}.chat-msg.is-customer .chat-bubble{align-items:flex-end}.chat-bubble-text{padding:10px 14px;border-radius:14px;font-size:13px;line-height:1.6;white-space:pre-wrap;word-break:break-word}.chat-msg.is-agent .chat-bubble-text{background:var(--card);border:1px solid var(--line);border-top-left-radius:6px;color:var(--text)}.chat-msg.is-customer .chat-bubble-text{background:var(--brand);color:#fff;border-top-right-radius:6px}.chat-bubble-time{font-size:10px;color:var(--text-mute);padding:0 4px}.chat-system{text-align:center;font-size:11px;color:var(--text-mute);padding:6px 0}.chat-faq-toggle{width:100%;padding:10px 0;background:none;border:none;border-top:1px solid var(--line-soft);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}.chat-faq-toggle:hover{background:var(--bg-deep)}.chat-faq{padding:8px 0 4px;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}.chat-faq-item{border-bottom:1px solid var(--line-soft)}.chat-faq-item:last-child{border-bottom:none}.chat-faq-q{width:100%;background:none;border:none;padding:9px 4px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;text-align:left}.chat-faq-q:hover .chat-faq-q span{color:var(--brand)}.chat-faq-a{padding:0 4px 10px;color:var(--text-weak);line-height:1.7}.chat-input-bar{display:flex;align-items:center;gap:8px;padding-top:12px}.chat-input{flex:1;height:40px;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);font-size:13px;color:var(--text);outline:none;transition:border-color .15s,box-shadow .15s}.chat-input:focus{border-color:var(--brand);background:var(--card);box-shadow:0 0 0 3px var(--brand-ring)}.chat-input:disabled{opacity:.5;cursor:not-allowed}.chat-send{width:40px;height:40px;border-radius:12px;border:none;background:var(--brand);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,transform .1s;flex-shrink:0}.chat-send:hover:not(:disabled){background:var(--brand-hover)}.chat-send:active:not(:disabled){transform:scale(.94)}.chat-send:disabled{opacity:.4;cursor:not-allowed}.chat-attach{width:36px;height:40px;border-radius:12px;border:1px dashed var(--line);background:var(--bg);color:var(--text-weak);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0}.chat-attach:hover:not(:disabled){border-color:var(--brand);color:var(--brand);background:var(--brand-weak)}.chat-attach:disabled{opacity:.4;cursor:not-allowed}.chat-pending-files{display:flex;flex-wrap:wrap;gap:6px;padding:8px 0 12px;border-top:1px solid var(--line-soft)}.chat-pending-file{display:inline-flex;align-items:center;gap:4px;padding:4px 8px 4px 6px;border-radius:8px;background:var(--brand-weak);color:var(--brand);font-size:11px;max-width:200px}.chat-pending-file span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-pending-remove{width:14px;height:14px;border:none;background:var(--brand);color:#fff;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:0;flex-shrink:0}.chat-pending-remove:hover{background:var(--brand-hover)}.chat-bubble-atts{display:flex;flex-direction:column;gap:6px;margin-bottom:4px}.chat-att-img{display:block;border-radius:10px;overflow:hidden;line-height:0}.chat-att-img img{max-width:160px;max-height:160px;display:block;border-radius:10px}.is-customer .chat-att-img img{max-width:140px}.chat-att-file{display:inline-flex;align-items:center;gap:6px;padding:8px 10px;background:var(--bg-deep);border-radius:8px;text-decoration:none;color:var(--text);font-size:12px;max-width:240px}.is-customer .chat-att-file{background:#fff3;color:#fff}.chat-att-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.chat-att-size{font-size:10px;color:var(--text-mute);flex-shrink:0}.is-customer .chat-att-size{color:#fff9}.chat-bubble-text.chat-typing{display:flex;align-items:center;gap:4px;padding:12px 16px;min-width:60px;background:var(--card);border:1px solid var(--line)}.chat-bubble-text.chat-typing span{width:7px;height:7px;border-radius:50%;background:var(--text-mute);animation:chat-dot-bounce 1.2s ease-in-out infinite}.chat-bubble-text.chat-typing span:nth-child(2){animation-delay:.15s}.chat-bubble-text.chat-typing span:nth-child(3){animation-delay:.3s}@keyframes chat-dot-bounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}.app-footer{border-top:1px solid var(--line);background:#fff;padding:32px 0 20px;margin-top:24px}.app-footer-inner{max-width:var(--max);margin:0 auto;padding:0 20px;text-align:center;color:var(--text-mute);font-size:13px}.app-footer-brand{display:flex;align-items:flex-start;justify-content:center;gap:14px;text-align:left;margin-bottom:18px}.app-footer-logo{width:40px;height:40px;border-radius:12px;background:var(--brand-grad);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px var(--brand-ring);flex-shrink:0}.app-footer-name{font-size:17px;font-weight:800;color:var(--text);letter-spacing:.4px}.app-footer-slogan{font-size:12px;color:var(--text-mute);line-height:1.65;max-width:560px;margin-top:3px}.app-footer-info{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 28px;padding:14px 0;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);margin-bottom:14px;font-size:13px;color:var(--text-weak)}.app-footer-row{display:inline-flex;align-items:center;gap:6px}.app-footer-label{color:var(--text-mute);font-weight:500}.app-footer-copy{font-size:12px;color:var(--text-mute);letter-spacing:.3px}