/* === Reset & Variables === */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#C00000;--primary-light:#E83838;--primary-bg:#FFF5F5;
  --accent:#0070C0;--accent-light:#3399E0;--accent-bg:#F0F7FF;
  --success:#00B050;--warning:#FFC000;--danger:#FF4444;
  --bg:#F5F6FA;--card:#FFF;--border:#EDEDED;
  --text:#222;--text2:#666;--text3:#999;
  --radius:14px;--shadow:0 2px 12px rgba(0,0,0,0.06);
  --safe-bottom:env(safe-area-inset-bottom,0px);
}
html,body{height:100%;overflow:hidden}
body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Helvetica Neue',sans-serif;background:#E8EAED;display:flex;justify-content:center;align-items:center}

/* === Phone Frame === */
.phone-frame{width:390px;height:844px;background:var(--bg);border-radius:44px;overflow:hidden;position:relative;box-shadow:0 20px 60px rgba(0,0,0,0.18),0 0 0 2px #333;display:flex;flex-direction:column}

/* === Status Bar === */
.status-bar{height:44px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 24px;font-size:12px;font-weight:600;color:#333;flex-shrink:0;z-index:100}
.status-bar .time{font-size:15px;font-weight:700}
.status-bar .icons{display:flex;gap:4px;align-items:center;font-size:13px}

/* === Top Nav Bar === */
.top-bar{height:48px;background:#fff;display:flex;align-items:center;padding:0 16px;border-bottom:1px solid var(--border);flex-shrink:0;z-index:90}
.top-bar .title{flex:1;text-align:center;font-size:17px;font-weight:700;color:var(--text)}
.top-bar .back{width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--accent);cursor:pointer}
.top-bar .action{width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--accent);cursor:pointer}

/* === Content Area === */
.app-content{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}
.app-content::-webkit-scrollbar{display:none}

/* === Tab Bar === */
.tab-bar{height:64px;background:#fff;border-top:1px solid var(--border);display:flex;align-items:flex-start;padding-top:6px;flex-shrink:0;padding-bottom:var(--safe-bottom)}
.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;cursor:pointer;-webkit-tap-highlight-color:transparent}
.tab-icon{font-size:22px;transition:transform .2s}
.tab-label{font-size:10px;color:var(--text3);transition:color .2s}
.tab-item.active .tab-icon{transform:scale(1.1)}
.tab-item.active .tab-label{color:var(--primary);font-weight:600}

/* === View System === */
.view{display:none;min-height:100%}
.view.active{display:block}

/* === Common === */
.section{padding:16px}
.section-title{font-size:16px;font-weight:700;color:var(--text);margin-bottom:12px;display:flex;align-items:center;gap:6px}
.mcard{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:12px}
.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:10px;font-weight:600}
.badge-green{background:#E6F9EE;color:var(--success)}
.badge-blue{background:var(--accent-bg);color:var(--accent)}
.badge-red{background:var(--primary-bg);color:var(--primary)}
.badge-orange{background:#FFF5E6;color:#E68A00}
.divider{height:1px;background:var(--border);margin:12px 0}

/* === Dashboard === */
.dash-hero{background:linear-gradient(135deg,#C00000 0%,#E83838 100%);padding:20px 16px 24px;color:#fff}
.dash-hero .greet{font-size:20px;font-weight:700}
.dash-hero .sub{font-size:12px;opacity:.8;margin-top:4px}
.dash-hero .hero-card{background:rgba(255,255,255,.15);backdrop-filter:blur(10px);border-radius:12px;padding:14px;margin-top:16px;display:flex;align-items:center;gap:12px}
.dash-hero .hero-icon{font-size:28px}
.dash-hero .hero-info{flex:1}
.dash-hero .hero-title{font-size:13px;font-weight:600}
.dash-hero .hero-desc{font-size:11px;opacity:.8;margin-top:2px}
.dash-hero .hero-btn{background:#fff;color:var(--primary);border:none;border-radius:20px;padding:6px 14px;font-size:12px;font-weight:600;cursor:pointer}

/* Journey Steps */
.journey{display:flex;align-items:center;padding:16px;gap:0;overflow-x:auto}
.journey::-webkit-scrollbar{display:none}
.j-step{display:flex;flex-direction:column;align-items:center;min-width:56px}
.j-dot{width:28px;height:28px;border-radius:50%;background:var(--border);display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff}
.j-dot.done{background:var(--success)}
.j-dot.current{background:var(--accent);box-shadow:0 0 0 4px rgba(0,112,192,.2)}
.j-dot.pending{background:var(--border)}
.j-label{font-size:10px;color:var(--text3);margin-top:4px;white-space:nowrap}
.j-label.current{color:var(--accent);font-weight:600}
.j-line{flex:1;height:2px;background:var(--border);min-width:20px;margin-bottom:16px}
.j-line.done{background:var(--success)}

/* Quick Grid */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:0 16px 16px}
.quick-item{display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer}
.quick-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px}
.quick-name{font-size:11px;color:var(--text2);text-align:center}

/* Activity */
.activity-item{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid #F5F5F5}
.activity-item:last-child{border:none}
.act-dot{width:8px;height:8px;border-radius:50%;margin-top:5px;flex-shrink:0}
.act-text{font-size:12px;color:var(--text);line-height:1.5}
.act-time{font-size:10px;color:var(--text3);margin-top:2px}

/* === Chat (Presale) === */
.chat-container{display:flex;flex-direction:column;height:calc(100% - 48px)}
.chat-messages{flex:1;overflow-y:auto;padding:12px 16px}
.chat-messages::-webkit-scrollbar{display:none}
.msg{display:flex;gap:8px;margin-bottom:14px}
.msg.user{flex-direction:row-reverse}
.msg-avatar{width:32px;height:32px;border-radius:50%;background:var(--accent-bg);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.msg.user .msg-avatar{background:var(--primary-bg)}
.msg-bubble{max-width:75%;padding:10px 14px;border-radius:16px;font-size:13px;line-height:1.6;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.msg.user .msg-bubble{background:var(--accent);color:#fff;border-radius:16px 4px 16px 16px}
.msg.ai .msg-bubble{border-radius:4px 16px 16px 16px}
.typing{display:flex;gap:3px;padding:4px 0}
.typing span{width:6px;height:6px;background:var(--text3);border-radius:50%;animation:blink 1.4s infinite}
.typing span:nth-child(2){animation-delay:.2s}
.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,100%{opacity:.3}50%{opacity:1}}

.quick-chips{display:flex;flex-wrap:wrap;gap:8px;padding:8px 16px}
.chip{padding:8px 14px;background:#fff;border-radius:20px;font-size:12px;color:var(--text);border:1px solid var(--border);cursor:pointer;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.chip:active{background:var(--accent-bg);border-color:var(--accent)}

.chat-input-bar{padding:8px 12px;background:#fff;border-top:1px solid var(--border);display:flex;gap:8px;align-items:center}
.chat-input-bar input{flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:20px;font-size:14px;outline:none;background:#F8F8F8}
.chat-input-bar input:focus{border-color:var(--accent);background:#fff}
.chat-input-bar button{width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;border:none;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center}

/* Solution Card (Mobile) */
.sol-card{background:#fff;border-radius:var(--radius);margin:8px 16px;padding:16px;box-shadow:var(--shadow)}
.sol-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.sol-name{font-size:14px;font-weight:700;color:var(--text)}
.sol-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.sol-module{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid #F5F5F5}
.sol-module:last-child{border:none}
.sol-mod-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.sol-mod-info{flex:1;min-width:0}
.sol-mod-name{font-size:13px;font-weight:600}
.sol-mod-desc{font-size:11px;color:var(--text3);margin-top:1px}
.sol-mod-price{font-size:13px;font-weight:700;color:var(--primary);white-space:nowrap}
.sol-total{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:2px solid var(--accent)}
.sol-total-label{font-size:13px;color:var(--text2)}
.sol-total-price{font-size:20px;font-weight:700;color:var(--primary)}
.sol-actions{display:flex;gap:8px;margin-top:12px}

/* === Buttons === */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:4px;border:none;border-radius:10px;cursor:pointer;font-size:14px;font-weight:600;transition:all .2s;padding:12px 20px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:active{background:#A00}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:active{background:#005A9E}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text2)}
.btn-block{width:100%}
.btn-sm{padding:8px 14px;font-size:12px;border-radius:8px}

/* === Delivery (Midsale) === */
.timeline{padding:0 16px}
.tl-item{display:flex;gap:12px;padding-bottom:20px;position:relative}
.tl-item::before{content:'';position:absolute;left:15px;top:32px;bottom:0;width:2px;background:var(--border)}
.tl-item:last-child::before{display:none}
.tl-dot{width:32px;height:32px;border-radius:50%;background:var(--border);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;z-index:1}
.tl-dot.done{background:var(--success)}
.tl-dot.current{background:var(--accent);box-shadow:0 0 0 4px rgba(0,112,192,.15)}
.tl-content{flex:1}
.tl-title{font-size:14px;font-weight:600}
.tl-desc{font-size:12px;color:var(--text3);margin-top:2px}
.tl-time{font-size:11px;color:var(--text3);margin-top:4px}

/* === Network Monitor (Postsale) === */
.net-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 16px 16px}
.net-card{background:#fff;border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.net-label{font-size:11px;color:var(--text3);display:flex;align-items:center;gap:4px}
.net-value{font-size:22px;font-weight:700;margin:4px 0 2px}
.net-sub{font-size:10px;color:var(--text3)}

/* Service Menu */
.svc-menu{padding:0 16px}
.svc-item{display:flex;align-items:center;gap:12px;background:#fff;border-radius:var(--radius);padding:14px;margin-bottom:10px;box-shadow:var(--shadow);cursor:pointer}
.svc-item:active{background:#F8F8F8}
.svc-icon{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.svc-info{flex:1}
.svc-name{font-size:14px;font-weight:600}
.svc-desc{font-size:11px;color:var(--text3);margin-top:2px}
.svc-arrow{color:var(--text3);font-size:14px}

/* === Orders === */
.order-card{background:#fff;border-radius:var(--radius);padding:14px;margin-bottom:10px;box-shadow:var(--shadow)}
.order-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.order-no{font-size:12px;color:var(--text3)}
.order-body{display:flex;justify-content:space-between;align-items:flex-end}
.order-name{font-size:14px;font-weight:600}
.order-date{font-size:11px;color:var(--text3);margin-top:2px}
.order-price{font-size:16px;font-weight:700;color:var(--primary)}

/* === Report === */
.report-hero{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-light) 100%);border-radius:var(--radius);padding:20px;margin:16px;color:#fff;text-align:center}
.report-month{font-size:14px;opacity:.8}
.report-stats{display:flex;justify-content:space-around;margin-top:16px}
.report-stat-val{font-size:22px;font-weight:700}
.report-stat-label{font-size:11px;opacity:.8;margin-top:2px}
.advice-item{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid #F5F5F5}
.advice-item:last-child{border:none}
.advice-num{font-size:18px;font-weight:700;color:var(--accent);width:28px;flex-shrink:0}
.advice-text{font-size:13px;line-height:1.5}
.advice-save{font-size:11px;color:var(--success);margin-top:4px}

/* === Mine === */
.mine-header{background:linear-gradient(135deg,#1A1A2E 0%,#2D2D44 100%);padding:30px 16px 20px;color:#fff;text-align:center}
.mine-avatar{width:60px;height:60px;border-radius:50%;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 10px}
.mine-name{font-size:18px;font-weight:700}
.mine-company{font-size:12px;opacity:.7;margin-top:4px}
.mine-menu{padding:16px}
.mine-item{display:flex;align-items:center;gap:12px;padding:14px;background:#fff;border-radius:var(--radius);margin-bottom:8px;cursor:pointer;box-shadow:var(--shadow)}
.mine-item:active{background:#F8F8F8}
.mine-item-icon{font-size:20px;width:32px;text-align:center}
.mine-item-text{flex:1;font-size:14px;font-weight:500}
.mine-item-arrow{color:var(--text3);font-size:14px}

/* === Modal === */
.modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,.45);display:none;z-index:200;justify-content:center;align-items:flex-end}
.modal-overlay.show{display:flex}
.modal-sheet{background:#fff;width:100%;border-radius:20px 20px 0 0;max-height:80%;overflow-y:auto;animation:slideUp .3s ease}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.modal-handle{width:36px;height:4px;background:var(--border);border-radius:2px;margin:10px auto}
.modal-header{padding:0 16px 12px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border)}
.modal-header h3{font-size:16px;font-weight:700}
.modal-close{font-size:18px;color:var(--text3);cursor:pointer;padding:4px}
.modal-body{padding:16px}
.modal-footer{padding:12px 16px;border-top:1px solid var(--border);display:flex;gap:8px}

/* === Toast === */
.toast{position:absolute;top:60px;left:50%;transform:translateX(-50%) translateY(-20px);background:#333;color:#fff;padding:10px 20px;border-radius:20px;font-size:13px;opacity:0;transition:all .3s;z-index:300;white-space:nowrap;max-width:90%}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.success{background:var(--success)}
.toast.warning{background:var(--warning);color:#333}

/* Form */
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:12px;color:var(--text2);margin-bottom:6px;font-weight:500}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:10px;font-size:14px;outline:none;background:#fff;font-family:inherit}
.form-group input:focus,.form-group select:focus{border-color:var(--accent)}

/* Recommend */
.rec-card{background:linear-gradient(135deg,#FFF5F5 0%,#F0F7FF 100%);border:1px dashed var(--primary-light);border-radius:var(--radius);padding:14px;margin:0 16px 16px}
.rec-title{font-size:13px;font-weight:600;color:var(--primary);margin-bottom:6px}
.rec-desc{font-size:12px;color:var(--text2);line-height:1.5;margin-bottom:10px}

/* Chart */
.mini-chart{display:flex;align-items:flex-end;gap:6px;height:80px;padding:0 4px}
.chart-bar{flex:1;background:linear-gradient(to top,var(--accent),var(--accent-light));border-radius:4px 4px 0 0;position:relative}
.chart-label{position:absolute;bottom:-16px;left:50%;transform:translateX(-50%);font-size:9px;color:var(--text3);white-space:nowrap}

/* Animations */
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.fade-in{animation:fadeIn .4s ease}

/* Acceptance */
.rating-stars{display:flex;gap:8px;justify-content:center;margin:12px 0}
.rating-star{font-size:32px;cursor:pointer;color:var(--border);transition:color .15s}
.rating-star.active{color:var(--warning)}