:root{
  --primary:#ff6600; --primary2:#ff8c1a; --grad:linear-gradient(135deg,#ff6600,#ff8c1a);
  --blue:#2d8cf0;
  --bg:#f5f5f5; --bg2:#fff; --bg3:#fafafa; --bg4:#f0f0f0;
  --border:#eee; --border2:#ddd;
  --text:#333; --text2:#666; --text3:#999;
  --success:#52c41a; --warn:#faad14; --danger:#ff4d4f;
  --radius:8px; --radius-sm:4px;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;font-size:14px;line-height:1.6;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}

.top-nav{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.06);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:64px;display:flex;align-items:center;gap:20px;}
.nav-logo{font-size:22px;font-weight:700;color:var(--primary);letter-spacing:1px;white-space:nowrap;}
.nav-search{display:flex;flex:1;max-width:480px;border:2px solid var(--primary);border-radius:var(--radius);overflow:hidden;}
.nav-search input{flex:1;padding:8px 12px;border:none;outline:none;font-size:14px;}
.nav-search button{background:var(--primary);color:#fff;border:none;padding:0 20px;cursor:pointer;font-size:14px;}
.nav-toggle{display:none;background:none;border:none;font-size:22px;cursor:pointer;margin-left:auto;}
.nav-menu{display:flex;gap:20px;}
.nav-menu a{color:var(--text2);font-size:15px;transition:color .2s;}
.nav-menu a:hover,.nav-menu a.active{color:var(--primary);}
.nav-right{display:flex;align-items:center;gap:10px;}
.nav-btn{background:var(--primary);color:#fff;padding:6px 16px;border-radius:var(--radius-sm);font-size:14px;}
.nav-btn:hover{opacity:.9;}
.nav-btn-outline{border:1px solid var(--border2);padding:5px 14px;border-radius:var(--radius-sm);font-size:14px;color:var(--text2);}
.nav-btn-outline:hover{border-color:var(--primary);color:var(--primary);}

.container{max-width:1200px;margin:0 auto;padding:20px;}

.panel{background:var(--bg2);border-radius:var(--radius);padding:20px;box-shadow:0 1px 4px rgba(0,0,0,.04);}
.panel-title{font-size:18px;font-weight:600;margin-bottom:12px;}

.btn{display:inline-block;padding:8px 20px;border-radius:var(--radius-sm);font-size:14px;cursor:pointer;border:none;transition:all .2s;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{opacity:.9;}
.btn-blue{background:var(--blue);color:#fff;}
.btn-blue:hover{opacity:.9;}
.btn-outline{background:#fff;border:1px solid var(--border2);color:var(--text);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);}
.btn-danger{background:var(--danger);color:#fff;}
.btn-success{background:var(--success);color:#fff;}
.btn-large{padding:12px 32px;font-size:16px;}
.btn-block{display:block;width:100%;text-align:center;}
.btn:disabled{opacity:.5;cursor:not-allowed;}

.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:var(--text2);margin-bottom:6px;}
.field label .req{color:var(--danger);}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--border2);border-radius:var(--radius-sm);font-size:14px;transition:border-color .2s;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);}
.field textarea{resize:vertical;min-height:80px;}
.field .hint{font-size:12px;color:var(--text3);margin-top:4px;}

.msg{padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:14px;}
.msg.ok{background:#f6ffed;border:1px solid var(--success);color:var(--success);}
.msg.err{background:#fff2f0;border:1px solid var(--danger);color:var(--danger);}
.msg.info{background:#e6f7ff;border:1px solid var(--blue);color:var(--blue);}

.section-title{font-size:20px;font-weight:600;margin:24px 0 12px;display:flex;align-items:center;gap:8px;}
.section-title::before{content:'';width:4px;height:20px;background:var(--primary);border-radius:2px;}
.section-title .more{margin-left:auto;font-size:14px;font-weight:400;color:var(--text3);}
.section-title .more:hover{color:var(--primary);}

.cat-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:12px;background:#fff;border-radius:var(--radius);padding:20px;margin-bottom:20px;}
.cat-item{text-align:center;padding:12px 8px;border-radius:var(--radius);transition:all .2s;cursor:pointer;}
.cat-item:hover{background:var(--bg3);}
.cat-item .icon{font-size:32px;display:block;margin-bottom:6px;}
.cat-item .name{font-size:13px;color:var(--text2);}

.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.service-card{background:#fff;border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:box-shadow .2s;position:relative;}
.service-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.12);}
.service-card .cover{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--bg4);}
.service-card .info{padding:12px;}
.service-card .title{font-size:14px;color:var(--text);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.4;height:39px;}
.service-card .price{color:var(--primary);font-size:18px;font-weight:700;margin-top:6px;}
.service-card .price small{font-size:12px;font-weight:400;}
.service-card .meta{display:flex;justify-content:space-between;color:var(--text3);font-size:12px;margin-top:6px;}

.shop-card{background:#fff;border-radius:var(--radius);padding:16px;display:flex;gap:14px;align-items:center;transition:box-shadow .2s;}
.shop-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.08);}
.shop-card .logo{width:56px;height:56px;border-radius:50%;object-fit:cover;background:var(--bg4);}
.shop-card .shop-info{flex:1;}
.shop-card .shop-name{font-size:16px;font-weight:600;}
.shop-card .shop-meta{font-size:12px;color:var(--text3);margin-top:4px;}
.shop-card .credit{color:var(--primary);font-size:13px;}

.req-card{background:#fff;border-radius:var(--radius);padding:16px;margin-bottom:12px;transition:box-shadow .2s;}
.req-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.06);}
.req-card .req-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px;}
.req-card .req-title{font-size:16px;font-weight:600;}
.req-card .req-budget{color:var(--primary);font-size:16px;font-weight:700;}
.req-card .req-desc{color:var(--text2);font-size:13px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.req-card .req-meta{display:flex;gap:16px;color:var(--text3);font-size:12px;margin-top:8px;}

.auth-wrap{max-width:420px;margin:40px auto;padding:0 20px;}
.auth-card{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:0 2px 12px rgba(0,0,0,.08);}
.auth-title{font-size:24px;font-weight:700;text-align:center;margin-bottom:8px;}
.auth-sub{font-size:14px;color:var(--text3);text-align:center;margin-bottom:24px;}
.auth-btn{width:100%;background:var(--primary);color:#fff;border:none;padding:12px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;margin-top:8px;}
.auth-link{text-align:center;margin-top:16px;font-size:14px;color:var(--text3);}
.auth-link a{color:var(--primary);}
.auth-error{background:#fff2f0;border:1px solid var(--danger);color:var(--danger);padding:10px 14px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:13px;}

.service-detail{display:grid;grid-template-columns:1fr 320px;gap:24px;}
.service-detail .main-content{background:#fff;border-radius:var(--radius);padding:24px;}
.service-detail .sidebar{display:flex;flex-direction:column;gap:16px;}
.service-detail .cover-main{width:100%;border-radius:var(--radius);margin-bottom:16px;}
.service-detail h1.title{font-size:22px;font-weight:600;margin-bottom:12px;}
.service-detail .price-box{background:var(--bg3);padding:16px;border-radius:var(--radius);margin-bottom:16px;}
.service-detail .price-box .now{color:var(--primary);font-size:28px;font-weight:700;}
.detail-section{margin-top:20px;padding-top:20px;border-top:1px solid var(--border);}
.detail-section h3{font-size:16px;font-weight:600;margin-bottom:12px;}

.package-box{border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:12px;cursor:pointer;transition:all .2s;}
.package-box:hover{border-color:var(--primary);}
.package-box.selected{border-color:var(--primary);background:#fff7f0;}
.package-box .pkg-name{font-size:16px;font-weight:600;margin-bottom:4px;}
.package-box .pkg-price{color:var(--primary);font-size:20px;font-weight:700;}
.package-box .pkg-desc{font-size:13px;color:var(--text3);margin-top:4px;}

.shop-header{background:#fff;border-radius:var(--radius);overflow:hidden;margin-bottom:20px;}
.shop-banner{width:100%;height:160px;object-fit:cover;background:var(--grad);}
.shop-info-bar{padding:20px;display:flex;gap:16px;align-items:center;}
.shop-info-bar .logo{width:72px;height:72px;border-radius:50%;border:3px solid #fff;object-fit:cover;background:var(--bg4);margin-top:-40px;}
.shop-info-bar .shop-name{font-size:22px;font-weight:700;}
.shop-info-bar .shop-meta{color:var(--text3);font-size:13px;margin-top:4px;}

.order-status{display:inline-block;padding:2px 10px;border-radius:12px;font-size:12px;}
.order-status.pending{background:#fff7e6;color:#faad14;}
.order-status.paid{background:#e6f7ff;color:#1890ff;}
.order-status.delivered{background:#e6ffea;color:#52c41a;}
.order-status.accepted{background:#f6ffed;color:#52c41a;}
.order-status.completed{background:#f6ffed;color:#52c41a;}
.order-status.closed{background:#f5f5f5;color:#999;}
.order-status.refunded{background:#fff2f0;color:#ff4d4f;}

table.data-table{width:100%;background:#fff;border-radius:var(--radius);overflow:hidden;border-collapse:collapse;}
table.data-table th,table.data-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:13px;}
table.data-table th{background:var(--bg3);color:var(--text2);font-weight:600;}
table.data-table tr:hover{background:var(--bg3);}
.data-table-wrap{overflow-x:auto;}

.admin-nav,.dash-nav{display:flex;gap:12px;margin:16px 0;flex-wrap:wrap;}
.admin-nav a,.dash-nav a{padding:8px 16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text2);font-size:14px;}
.admin-nav a:hover,.dash-nav a:hover,.admin-nav a.active,.dash-nav a.active{border-color:var(--primary);color:var(--primary);background:#fff7f0;}

.dash-layout{display:grid;grid-template-columns:200px 1fr;gap:20px;}
.dash-sidebar{background:#fff;border-radius:var(--radius);padding:16px;}
.dash-sidebar h3{font-size:16px;font-weight:600;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border);}
.dash-sidebar a{display:block;padding:8px 12px;border-radius:var(--radius-sm);color:var(--text2);font-size:14px;margin-bottom:4px;}
.dash-sidebar a:hover,.dash-sidebar a.active{background:var(--bg3);color:var(--primary);}
.dash-content{background:#fff;border-radius:var(--radius);padding:20px;min-height:400px;}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px;}
.stat-card{background:#fff;border-radius:var(--radius);padding:20px;text-align:center;}
.stat-card .stat-num{font-size:28px;font-weight:700;color:var(--primary);}
.stat-card .stat-label{font-size:13px;color:var(--text3);margin-top:4px;}

.review-item{border-bottom:1px solid var(--border);padding:16px 0;}
.review-item .review-header{display:flex;justify-content:space-between;margin-bottom:8px;}
.review-item .review-stars{color:var(--primary);}
.review-item .review-content{color:var(--text2);font-size:13px;}

.star-input{display:inline-flex;gap:2px;font-size:24px;cursor:pointer;}
.star-input span{color:var(--border2);}
.star-input span.active{color:var(--primary);}

.chat-box{max-height:400px;overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius);padding:16px;background:var(--bg3);}
.chat-msg{margin-bottom:12px;}
.chat-msg .chat-bubble{display:inline-block;padding:8px 14px;border-radius:var(--radius);max-width:70%;font-size:14px;}
.chat-msg.me .chat-bubble{background:var(--primary);color:#fff;}
.chat-msg.other .chat-bubble{background:#fff;}
.chat-msg .chat-time{font-size:11px;color:var(--text3);margin-top:4px;}

.site-footer{background:#fff;border-top:1px solid var(--border);margin-top:40px;padding:24px 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;align-items:center;}
.footer-brand .footer-logo{font-size:20px;font-weight:700;color:var(--primary);}
.footer-brand p{font-size:13px;color:var(--text3);margin-top:4px;}
.footer-links{display:flex;gap:16px;justify-content:center;}
.footer-links a{font-size:13px;color:var(--text2);}
.footer-copy{text-align:right;font-size:12px;color:var(--text3);}

.pagination{display:flex;justify-content:center;gap:8px;margin:20px 0;}
.pagination a{padding:6px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text2);font-size:13px;}
.pagination a:hover,.pagination a.active{border-color:var(--primary);color:var(--primary);}
.pagination .page-dots{padding:6px 4px;color:var(--text3);}

.tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:20px;}
.tabs a{padding:10px 20px;font-size:15px;color:var(--text2);border-bottom:2px solid transparent;margin-bottom:-2px;}
.tabs a:hover{color:var(--primary);}
.tabs a.active{color:var(--primary);border-bottom-color:var(--primary);}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#333;color:#fff;padding:12px 24px;border-radius:var(--radius-sm);font-size:14px;z-index:1000;animation:toastIn .3s;}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,12px);}to{opacity:1;transform:translate(-50%,0);}}

.empty-state{text-align:center;padding:60px 20px;color:var(--text3);}
.empty-state .icon{font-size:48px;margin-bottom:12px;}

.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600;}
.badge-primary{background:var(--primary);color:#fff;}
.badge-blue{background:var(--blue);color:#fff;}
.badge-success{background:var(--success);color:#fff;}
.badge-warn{background:var(--warn);color:#fff;}

@media(max-width:900px){
  .cat-grid{grid-template-columns:repeat(4,1fr);}
  .service-grid{grid-template-columns:repeat(3,1fr);}
  .service-detail{grid-template-columns:1fr;}
  .dash-layout{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr;text-align:center;}
  .footer-links{justify-content:center;}
  .footer-copy{text-align:center;}
  .shop-info-bar{flex-wrap:wrap;}
}
@media(max-width:600px){
  .nav-menu,.nav-search{display:none;}
  .nav-toggle{display:block;}
  body.nav-open .nav-menu{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:#fff;padding:12px 20px;box-shadow:0 4px 8px rgba(0,0,0,.1);}
  body.nav-open .nav-search{display:flex;margin-bottom:12px;max-width:none;}
  .cat-grid{grid-template-columns:repeat(3,1fr);}
  .service-grid{grid-template-columns:repeat(2,1fr);}
  .stat-row{grid-template-columns:1fr;}
  .container{padding:12px;}
  .panel{padding:14px;}
  .section-title{font-size:17px;}
  .nav-inner{padding:0 12px;gap:10px;}
  .nav-logo{font-size:18px;}
  .nav-right{gap:6px;}
  .nav-btn,.nav-btn-outline{padding:5px 10px;font-size:13px;}
  .dash-content{padding:14px;}
  .dash-sidebar{padding:12px;}
  .tabs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;}
  .tabs a{white-space:nowrap;padding:8px 14px;font-size:14px;}
  .admin-nav,.dash-nav{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;}
  .admin-nav a,.dash-nav a{white-space:nowrap;}
  table.data-table th,table.data-table td{padding:6px 8px;font-size:12px;}
  .service-detail .main-content{padding:14px;}
  .service-detail h1.title{font-size:18px;}
  .service-detail .price-box .now{font-size:22px;}
  .auth-card{padding:20px;}
  .auth-title{font-size:20px;}
  .chat-box{padding:10px;max-height:300px;}
  .chat-msg .chat-bubble{max-width:85%;font-size:13px;}
  .shop-info-bar{flex-direction:column;align-items:flex-start;text-align:center;}
  .shop-info-bar .logo{margin-top:-30px;}
  .shop-banner{height:120px;}
  .req-card{padding:12px;}
  .req-card .req-title{font-size:15px;}
  .req-card .req-budget{font-size:14px;}
  .pagination a{padding:5px 10px;font-size:12px;}
  .btn{padding:7px 16px;font-size:13px;}
  .btn-large{padding:10px 24px;font-size:15px;}
  .stat-card .stat-num{font-size:22px;}
  .empty-state{padding:40px 16px;}
  .empty-state .icon{font-size:36px;}
}
@media(max-width:400px){
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .service-grid{grid-template-columns:1fr;}
  .nav-logo{font-size:16px;}
  .nav-btn,.nav-btn-outline{padding:4px 8px;font-size:12px;}
  .section-title{font-size:15px;}
  .auth-card{padding:16px;}
}