:root{--primary:#8b5cf6;--bg:#0f0f1a;--card:#1a1a2e;--card2:#16213e;--text:#e0e0e0;--sub:#8892b0;--amber:#f59e0b;--emerald:#10b981;--rose:#ef4444;--blue:#3b82f6;--cyan:#06b6d4;--purple:#8b5cf6;--pink:#ec4899;--green:#22c55e;}

*{margin:0;padding:0;box-sizing:border-box}

body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;padding-bottom:80px}

/* ===== AI Particle Canvas ===== */

#aiBg{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0}

/* ===== Neon Glow effect ===== */

.neon-text{background:linear-gradient(135deg,#f59e0b,#ec4899,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-size:200% auto;animation:neonShift 3s ease infinite}

@keyframes neonShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

.neon-border{position:relative;border:1px solid rgba(245,158,11,.2);border-radius:16px;overflow:hidden}

.neon-border::before{content:'';position:absolute;top:-2px;left:-2px;right:-2px;bottom:-2px;border-radius:18px;background:linear-gradient(135deg,#f59e0b,#ec4899,#8b5cf6,#06b6d4);z-index:-1;opacity:0;transition:opacity .3s}

.neon-border:hover::before{opacity:1}

/* ===== Page ===== */

.page{display:none;position:relative;z-index:1}

.page.active{display:block!important}

.page.active{display:block}

.page.active{display:block}

.page.active{display:block;animation:fadeIn .4s ease}

@keyframes fadeIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

.container{max-width:640px;margin:0 auto;padding:0 16px}

/* ===== Bottom Nav ===== */

.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:rgba(15,15,26,.92);backdrop-filter:blur(20px);border-top:1px solid rgba(245,158,11,.1);display:flex;justify-content:space-around;padding:8px 0 env(safe-area-inset-bottom,8px);z-index:100}

.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:none;color:var(--sub);font-size:10px;cursor:pointer;padding:4px 8px;border-radius:8px;transition:all .2s}

.nav-item .icon{font-size:20px;line-height:1}

.nav-item.active{color:var(--amber)}

/* ===== Hero Section ===== */

.hero{padding:32px 0 24px;text-align:center;position:relative}

.hero .glow-ring{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,.15) 0%,transparent 70%);animation:ringPulse 2s ease-in-out infinite}

@keyframes ringPulse{0%,100%{transform:translate(-50%,-50%) scale(1);opacity:.6}50%{transform:translate(-50%,-50%) scale(1.2);opacity:.3}}

.hero h1{font-size:26px;font-weight:800;margin-bottom:8px;position:relative}

.hero .tagline{font-size:14px;color:var(--sub);margin-bottom:16px;line-height:1.6}

.hero .stats{display:flex;justify-content:center;gap:24px;margin-top:16px}

.hero .stat{text-align:center}

.hero .stat .num{font-size:20px;font-weight:700;color:var(--amber)}

.hero .stat .label{font-size:11px;color:var(--sub)}

/* ===== Quick Actions ===== */

.quick-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 20px}

.qa-card{background:var(--card);border-radius:14px;padding:18px;cursor:pointer;transition:all .2s;position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.04)}

.qa-card:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(139,92,246,.1);border-color:rgba(139,92,246,.2)}

.qa-card .qa-icon{font-size:28px;margin-bottom:8px}

.qa-card .qa-title{font-size:14px;font-weight:600}

.qa-card .qa-desc{font-size:11px;color:var(--sub);margin-top:4px}

.qa-card .qa-badge{position:absolute;top:10px;right:10px;font-size:10px;padding:2px 8px;border-radius:10px;color:#fff}

.qa-badge.ai{background:linear-gradient(135deg,#8b5cf6,#ec4899)}

.qa-badge.hot{background:linear-gradient(135deg,#f59e0b,#ef4444)}

.qa-badge.new{background:var(--emerald)}

/* ===== Card & Form ===== */

.card{background:var(--card);border-radius:14px;padding:16px;margin-bottom:12px;border:1px solid rgba(255,255,255,.04)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:10px;border:none;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}

.btn-primary{background:linear-gradient(135deg,#f59e0b,#ec4899);color:#fff}

.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px rgba(236,72,153,.3)}

.btn-outline{background:transparent;border:1px solid rgba(245,158,11,.3);color:var(--amber)}

.btn-outline:hover{background:rgba(245,158,11,.08)}

.btn-sm{padding:6px 14px;font-size:12px}

.btn-block{width:100%}

.btn:disabled{opacity:.5;cursor:not-allowed}

input,textarea,select{width:100%;padding:10px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.1);background:var(--card2);color:var(--text);font-size:14px;outline:none;transition:border .2s;font-family:inherit}

input:focus,textarea:focus,select:focus{border-color:var(--amber)}

textarea{min-height:80px;resize:vertical}

label{font-size:13px;color:var(--sub);display:block;margin-bottom:4px}

/* ===== AI Inspiration ===== */

.ai-cats{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}

/* AI upload */

.ai-upload-area{border:2px dashed var(--border);border-radius:12px;padding:20px;text-align:center;cursor:pointer;transition:all .2s;margin-bottom:12px}

.ai-upload-area:hover{border-color:var(--purple);background:rgba(139,92,246,.05)}

.ai-upload-icon{font-size:28px;margin-bottom:4px}

.ai-upload-hint{font-size:12px;color:var(--sub)}

.ai-preview{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}

.ai-preview-item{position:relative;width:80px;height:80px;border-radius:8px;overflow:hidden}

.ai-preview-item img{width:100%;height:100%;object-fit:cover}

.ai-preview-remove{position:absolute;top:-2px;right:-2px;width:20px;height:20px;border-radius:50%;background:var(--rose);color:#fff;border:none;font-size:14px;line-height:1;cursor:pointer;padding:0}

.ai-ref-images{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}


/* Voice */
.btn-voice{width:40px;height:40px;padding:0;border-radius:50%;background:var(--card2);border:2px solid rgba(255,255,255,.1);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}
.btn-voice:active,.btn-voice.recording{background:var(--rose);border-color:var(--rose);animation:pulse-voice 1s infinite}
@keyframes pulse-voice{0%,100%{box-shadow:0 0 0 0 rgba(244,63,94,.5)}50%{box-shadow:0 0 0 8px rgba(244,63,94,0)}}
.chat-audio{display:flex;align-items:center;gap:8px;min-width:160px}
.chat-audio button{background:none;border:none;color:inherit;font-size:18px;cursor:pointer;padding:2px 4px}
.chat-audio .wave{flex:1;height:24px;display:flex;align-items:center;gap:2px}
.chat-audio .wave-bar{width:3px;background:currentColor;opacity:.4;border-radius:2px;transition:height .1s}
.chat-audio .dur{font-size:12px;opacity:.7}
.chat-msg.mine .chat-audio .wave-bar{background:#fff}
.recording-toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.85);color:#fff;padding:20px 30px;border-radius:16px;z-index:9999;text-align:center;font-size:15px;display:none}
.recording-toast .rec-dot{width:12px;height:12px;background:var(--rose);border-radius:50%;display:inline-block;animation:blink .5s infinite;margin-right:8px;vertical-align:middle}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.2}}

/* Chat */
.chat-msg{display:flex;margin-bottom:4px}
.chat-msg.mine{justify-content:flex-end}
.chat-msg .bubble{max-width:75%;padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.5;word-break:break-word}
.chat-msg.mine .bubble{background:linear-gradient(135deg,var(--purple),#6366f1);color:#fff;border-bottom-right-radius:4px}
.chat-msg.peer .bubble{background:var(--card2);color:var(--text);border-bottom-left-radius:4px}
.chat-empty{text-align:center;color:var(--sub);padding:40px 0;font-size:14px}
.chat-time{font-size:11px;color:var(--sub);margin:0 4px}

.ai-ref-img{width:120px;height:120px;object-fit:cover;border-radius:8px;border:1px solid var(--border);cursor:pointer}

.ai-cat{padding:6px 12px;border-radius:8px;font-size:12px;cursor:pointer;background:var(--card2);border:1px solid rgba(255,255,255,.06);color:var(--sub);transition:all .2s}

.ai-cat.active{background:rgba(139,92,246,.15);border-color:rgba(139,92,246,.4);color:var(--purple)}

.ai-result{margin-top:12px;padding:16px;background:var(--card);border-radius:14px;border:1px solid var(--purple);min-height:100px}

.ai-result .placeholder{font-size:48px;text-align:center;margin-bottom:8px;opacity:.3}

.design-card{text-align:left}

.design-card h4{color:var(--purple);margin-bottom:8px}

/* ===== Market ===== */

.market-tabs{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}

.market-tab{padding:6px 12px;border-radius:8px;font-size:12px;cursor:pointer;background:var(--card2);border:1px solid rgba(255,255,255,.06);color:var(--sub);transition:all .2s}

.market-tab.active{background:rgba(245,158,11,.15);border-color:rgba(245,158,11,.4);color:var(--amber)}

.market-post{background:var(--card);border-radius:14px;padding:14px;margin-bottom:10px;cursor:pointer;border:1px solid rgba(255,255,255,.04);transition:all .2s}

.market-post:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,0,0,.2)}

.market-post h4{font-size:15px;margin-bottom:6px}

.market-post .desc{font-size:13px;color:var(--sub);margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.market-post .footer{display:flex;justify-content:space-between;font-size:11px;color:var(--sub)}

.badge{padding:2px 8px;border-radius:6px;font-size:10px;font-weight:500}

.badge-amber{background:rgba(245,158,11,.15);color:var(--amber)}

.badge-green{background:rgba(16,185,129,.15);color:var(--emerald)}

.badge-rose{background:rgba(239,68,68,.15);color:var(--rose)}

.badge-blue{background:rgba(59,130,246,.15);color:var(--blue)}

/* ===== Showroom ===== */

.hall-tabs{display:flex;gap:6px;margin-bottom:12px}

.hall-tab{padding:8px 16px;border-radius:10px;font-size:13px;cursor:pointer;background:var(--card2);border:1px solid rgba(255,255,255,.06);color:var(--sub);transition:all .2s}

.hall-tab.active{background:linear-gradient(135deg,rgba(139,92,246,.15),rgba(236,72,153,.1));border-color:rgba(139,92,246,.3);color:var(--purple)}

.showroom-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}

.showroom-card{background:var(--card);border-radius:14px;overflow:hidden;cursor:pointer;transition:all .2s;border:1px solid rgba(255,255,255,.04)}

.showroom-card:hover{transform:translateY(-2px)}

.showroom-card .img-placeholder{height:120px;display:flex;align-items:center;justify-content:center;font-size:40px;background:linear-gradient(135deg,var(--card2),rgba(139,92,246,.1))}

.showroom-card .info{padding:10px}

.showroom-card .title{font-size:13px;font-weight:500;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.showroom-card .meta{font-size:10px;color:var(--sub);display:flex;justify-content:space-between}



/* ===== Upload ===== */

.upload-area{border:2px dashed rgba(245,158,11,.3);border-radius:12px;padding:24px 12px;text-align:center;cursor:pointer;transition:all .2s;margin-bottom:12px}

.upload-area:hover{border-color:var(--amber);background:rgba(245,158,11,.05)}

.upload-area .upload-icon{font-size:32px;margin-bottom:8px}

.upload-area .upload-hint{font-size:12px;color:var(--sub)}

.upload-preview{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}

.upload-item{position:relative;width:72px;height:72px;border-radius:8px;overflow:hidden;border:1px solid rgba(255,255,255,.1)}

.upload-item img,.upload-item video{width:100%;height:100%;object-fit:cover}

.upload-item .del-btn{position:absolute;top:2px;right:2px;width:20px;height:20px;border-radius:50%;background:var(--rose);color:#fff;border:none;font-size:12px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:.9}

.upload-item .video-badge{position:absolute;bottom:2px;right:2px;background:rgba(0,0,0,.7);color:#fff;font-size:10px;padding:1px 5px;border-radius:4px}

.upload-progress{height:3px;background:var(--card2);border-radius:2px;margin-bottom:8px;overflow:hidden}

.upload-progress .bar{height:100%;background:var(--amber);transition:width .3s}

/* ===== Media in posts ===== */

.market-post .media-grid{display:flex;gap:4px;margin-top:8px;flex-wrap:wrap}

.market-post .media-grid img,.market-post .media-grid video{width:60px;height:60px;border-radius:6px;object-fit:cover;border:1px solid rgba(255,255,255,.06)}

.market-post .media-grid .more-media{width:60px;height:60px;border-radius:6px;background:var(--card2);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--sub)}

.market-post .media-grid .video-item{position:relative}

.market-post .media-grid .video-item::after{content:'▶';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:16px;text-shadow:0 0 4px rgba(0,0,0,.8)}

.detail-media{margin-top:12px}

.detail-media img{width:100%;max-height:320px;object-fit:contain;border-radius:10px;margin-bottom:6px;cursor:pointer}

.detail-media video{width:100%;max-height:320px;border-radius:10px;margin-bottom:6px}



/* ===== Settings ===== */

.me-avatar{cursor:pointer;transition:all .2s}

.me-avatar:hover{opacity:.8}

.settings-avatar{width:80px;height:80px;border-radius:50%;object-fit:cover;border:2px solid rgba(245,158,11,.3);background:var(--card2)}

.settings-avatar-placeholder{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,rgba(139,92,246,.2),rgba(245,158,11,.1));display:flex;align-items:center;justify-content:center;font-size:36px;border:2px solid rgba(245,158,11,.2);cursor:pointer}



/* ===== 3D Showroom ===== */

.showroom-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}

.showroom-upload-btn{background:linear-gradient(135deg,var(--amber),#d97706);color:#000;border:none;padding:8px 16px;border-radius:20px;font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:6px}

.showroom-upload-btn:hover{opacity:.9}

.showroom-card{position:relative;background:var(--card);border-radius:14px;overflow:hidden;transition:all .3s;cursor:pointer;border:1px solid rgba(255,255,255,.04)}

.showroom-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.3)}

.showroom-thumb{width:100%;height:160px;object-fit:cover;background:var(--card2)}

.showroom-thumb-video{position:relative}

.showroom-thumb-video::after{content:'▶';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:32px;text-shadow:0 0 8px rgba(0,0,0,.6)}

.showroom-card .card-info{padding:10px 12px}

.showroom-card .card-title{font-weight:600;font-size:14px;margin-bottom:4px}

.showroom-card .card-meta{font-size:11px;color:var(--sub);display:flex;gap:12px}

.showroom-card .card-tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}

.showroom-card .card-tags .stag{font-size:10px;padding:2px 8px;border-radius:10px;background:rgba(245,158,11,.15);color:var(--amber)}

.showroom-detail-img{width:100%;max-height:400px;object-fit:contain;border-radius:10px;margin-bottom:6px;background:var(--card2)}

.showroom-detail-video{width:100%;max-height:400px;border-radius:10px;background:#000;margin-bottom:6px}

.showroom-detail-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}

.showroom-detail-tags .stag{padding:4px 12px;border-radius:14px;background:rgba(139,92,246,.15);color:#a78bfa;font-size:12px}

.category-select{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}

.cat-chip{padding:6px 14px;border-radius:16px;border:1px solid rgba(255,255,255,.1);font-size:12px;cursor:pointer;transition:all .2s;background:var(--card2);color:var(--sub)}

.cat-chip.active{background:rgba(245,158,11,.2);border-color:var(--amber);color:var(--amber)}



/* ===== Sample ===== */

.sample-form .form-row{margin-bottom:12px}

.sample-result{margin-top:16px;padding:16px;background:var(--card);border-radius:14px;border:1px solid rgba(16,185,129,.2)}

.sample-result .cost-item{display:flex;justify-content:space-between;padding:6px 0;font-size:14px;border-bottom:1px solid rgba(255,255,255,.04)}

.sample-result .cost-item:last-child{border-bottom:none;color:var(--amber);font-weight:600}

.supplier-card{display:flex;gap:10px;align-items:flex-start;padding:12px;background:var(--card);border-radius:12px;margin-bottom:8px;border:1px solid rgba(255,255,255,.04)}

.supplier-card .avatar{font-size:28px}

.supplier-card .info{flex:1}

.supplier-card .name{font-weight:600;margin-bottom:4px}

.supplier-card .tags{display:flex;gap:4px;flex-wrap:wrap;margin-top:8px}

/* ===== Profile ===== */

.profile-header{text-align:center;padding:20px 0}

.avatar-circle{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,rgba(139,92,246,.2),rgba(245,158,11,.1));display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 12px;border:2px solid rgba(245,158,11,.2)}

.vip-card{background:linear-gradient(135deg,rgba(245,158,11,.08),rgba(236,72,153,.08));border:1px solid rgba(245,158,11,.15);border-radius:16px;padding:20px;text-align:center;margin-bottom:16px}

.vip-card .days{font-size:42px;font-weight:800;color:var(--amber)}

.vip-card .renew-btn{margin-top:12px}

.menu-list{padding:8px 0}

.menu-item{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-radius:12px;cursor:pointer;transition:background .2s;margin-bottom:4px}

.menu-item:hover{background:rgba(255,255,255,.03)}

.menu-item .left{display:flex;align-items:center;gap:10px;font-size:15px}

.menu-item .right{font-size:13px;color:var(--sub)}

/* ===== Modal ===== */

.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}

.modal{background:var(--bg);border-radius:16px;padding:24px;width:100%;max-width:380px;border:1px solid rgba(255,255,255,.06);max-height:90vh;overflow-y:auto}

.modal h3{margin-bottom:20px;font-size:18px}

.close-btn{position:absolute;top:12px;right:16px;background:none;border:none;font-size:24px;color:var(--sub);cursor:pointer}

/* ===== Toast ===== */

.toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:300;padding:10px 24px;border-radius:10px;font-size:14px;display:none;animation:toastIn .3s ease}

.toast.success{background:rgba(16,185,129,.9);color:#fff}

.toast.error{background:rgba(239,68,68,.9);color:#fff}

@keyframes toastIn{from{opacity:0;transform:translateX(-50%) translateY(-10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}

/* ===== Empty State ===== */

.empty-state{text-align:center;padding:40px 0;color:var(--sub)}

.empty-state .icon{font-size:48px;margin-bottom:12px;opacity:.5}

/* ===== Renew Card ===== */

.renew-card{background:linear-gradient(135deg,rgba(16,185,129,.08),rgba(6,182,212,.08));border:1px solid rgba(16,185,129,.15);border-radius:16px;padding:16px;margin-bottom:12px;text-align:center}

.renew-card p{color:var(--sub);font-size:13px;margin-bottom:8px}

.renew-card strong{color:var(--emerald)}

/* A tag */

a{color:var(--amber);text-decoration:none;cursor:pointer}

.stat-card{background:var(--card);border-radius:10px;padding:14px;text-align:center}.stat-num{font-size:22px;font-weight:700;color:var(--primary)}.stat-label{font-size:12px;color:var(--sub);margin-top:4px}
/* === AI Design Result Card === */
.design-card{padding:6px 0}
.ai-status-ok{color:var(--green);font-weight:600;margin-bottom:14px;font-size:15px;display:flex;align-items:center;gap:6px}
.ai-field{margin-bottom:14px;padding:12px;background:var(--card);border-radius:12px;border:1px solid var(--border, #2a2a4a)}
.ai-field:last-child{margin-bottom:0}
.ai-label{display:block;font-size:13px;font-weight:700;color:var(--amber);margin-bottom:6px;text-transform:uppercase;letter-spacing:0.5px}
.ai-field p{font-size:14px;line-height:1.8;color:var(--text);margin:0}
.ai-ref-images{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.ai-ref-img{width:80px;height:100px;object-fit:cover;border-radius:8px;border:2px solid var(--border,#2a2a4a);cursor:pointer;transition:transform .2s}
.ai-ref-img:hover{transform:scale(1.05)}

/* === 打样 结果样式 === */
.cost-table{background:var(--card);border-radius:12px;overflow:hidden;margin:12px 0}
.cost-row{display:flex;justify-content:space-between;padding:10px 16px;font-size:14px;border-bottom:1px solid var(--border,#2a2a4a)}
.cost-row:last-child{border-bottom:none}
.cost-row.total{background:rgba(245,158,11,.1);font-size:15px;font-weight:600}
.supplier-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border,#2a2a4a)}

/* === Loading Spinner === */
.loading-spin{text-align:center;padding:30px 0}
.spinner{width:36px;height:36px;border:3px solid var(--border,#2a2a4a);border-top-color:var(--amber);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 12px}
@keyframes spin{to{transform:rotate(360deg)}}