/* Diimo.cn 系统样式 */
:root{
  --primary:#1F4E79;--secondary:#2E75B6;--red:#C00000;--gold:#FFC832;
  --bg:#F5F7FA;--white:#fff;--text:#333;--gray:#666;--light:#999;
  --border:#E6E9EE;--light-blue:#DCEBFA;--dark:#0F2A47;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Microsoft YaHei','PingFang SC',sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
a{color:var(--secondary);text-decoration:none}
img{max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 导航 */
.navbar{background:var(--white);box-shadow:0 2px 8px rgba(0,0,0,.08);position:sticky;top:0;z-index:100}
.navbar .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:bold;color:var(--primary)}
.nav-logo img{height:40px}
.nav-links{display:flex;gap:8px;align-items:center}
.nav-links a{padding:8px 16px;color:var(--text);border-radius:6px;font-size:15px;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--secondary);background:var(--light-blue)}
.btn{display:inline-block;padding:10px 24px;border-radius:8px;border:none;cursor:pointer;font-size:15px;font-weight:600;transition:.2s;text-align:center}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--secondary)}
.btn-primary:visited{color:#fff}
.btn-red{background:var(--red);color:#fff}.btn-red:hover{opacity:.9}
.btn-gold{background:var(--gold);color:var(--dark)}.btn-gold:hover{opacity:.9}
.btn-outline{background:transparent;border:2px solid var(--secondary);color:var(--secondary)}
.btn-outline:hover{background:var(--secondary);color:#fff}
.btn-block{display:block;width:100%}
.btn-sm{padding:6px 14px;font-size:13px}
.hamburger{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--primary)}

/* Hero */
.hero{position:relative;background:linear-gradient(135deg,#0F2A47 0%,#1F4E79 50%,#2E75B6 100%);color:#fff;padding:80px 0 100px;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url('/images/bg-data.png') center/cover;opacity:.15}
.hero .container{position:relative;z-index:1;text-align:center}
.hero h1{font-size:48px;margin-bottom:16px;letter-spacing:2px}
.hero .subtitle{font-size:22px;color:#C8DFF5;margin-bottom:32px}
.hero .btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero .btn{padding:14px 36px;font-size:17px}

/* 统计条 */
.stats-bar{background:var(--white);margin-top:-40px;position:relative;z-index:2;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.08);display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:28px 20px;text-align:center;border-right:1px solid var(--border)}
.stat-item:last-child{border-right:none}
.stat-item .num{font-size:32px;font-weight:bold;color:var(--primary)}
.stat-item .label{font-size:14px;color:var(--gray);margin-top:4px}

/* 通用区块 */
.section{padding:70px 0}
.section-title{text-align:center;font-size:34px;color:var(--primary);margin-bottom:12px;font-weight:700}
.section-sub{text-align:center;color:var(--gray);font-size:16px;margin-bottom:50px}
.section-title::after{content:'';display:block;width:60px;height:4px;background:var(--secondary);margin:12px auto 0;border-radius:2px}

/* 功能卡片 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--white);border-radius:12px;padding:28px;border:1px solid var(--border);transition:.3s}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(31,78,121,.12);border-color:var(--light-blue)}
.feature-icon{width:56px;height:56px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;font-size:26px;color:#fff;margin-bottom:16px;font-weight:bold}
.feature-card h3{font-size:20px;color:var(--primary);margin-bottom:8px}
.feature-card p{color:var(--gray);font-size:14px}

/* 价格卡片 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.price-card{background:var(--white);border-radius:16px;padding:36px 28px;border:2px solid var(--border);text-align:center;transition:.3s;position:relative;display:flex;flex-direction:column}
.price-card ul{flex:1}
.price-card:hover{border-color:var(--secondary);box-shadow:0 8px 30px rgba(46,117,182,.15)}
.price-card.featured{border-color:var(--gold);box-shadow:0 8px 30px rgba(255,200,50,.2)}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--red);color:#fff;padding:4px 20px;border-radius:20px;font-size:13px;font-weight:600}
.price-card h3{font-size:22px;color:var(--primary);margin-bottom:8px}
.price-card .price{font-size:40px;font-weight:bold;color:var(--red);margin:16px 0}
.price-card .price small{font-size:16px;font-weight:normal;color:var(--gray)}
.price-card .desc{color:var(--gray);font-size:14px;margin-bottom:20px}
.price-card ul{list-style:none;text-align:left;margin-bottom:24px}
.price-card li{padding:8px 0;border-bottom:1px solid var(--border);font-size:14px;color:var(--text)}
.price-card li::before{content:'✓';color:var(--secondary);font-weight:bold;margin-right:8px}

/* 功能详情区块 */
.feature-detail{display:flex;gap:40px;align-items:center;margin-bottom:60px}
.feature-detail:nth-child(even){flex-direction:row-reverse}
.feature-detail .fd-content{flex:1}
.feature-detail .fd-content h3{font-size:26px;color:var(--primary);margin-bottom:12px}
.feature-detail .fd-content p{color:var(--gray);font-size:15px;margin-bottom:12px}
.feature-detail .fd-tags{display:flex;gap:8px;flex-wrap:wrap}
.fd-tag{background:var(--light-blue);color:var(--primary);padding:4px 12px;border-radius:4px;font-size:13px}
.fd-link{display:inline-block;margin-top:12px;color:var(--secondary);font-size:14px;font-weight:600;text-decoration:none;transition:.2s}
.fd-link:hover{color:var(--primary);text-decoration:underline}

/* 硬件配置 */
.hw-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.hw-item{background:var(--white);border-radius:10px;padding:24px;border:1px solid var(--border);text-align:center}
.hw-item .hw-label{font-size:14px;color:var(--gray)}
.hw-item .hw-value{font-size:22px;font-weight:bold;color:var(--primary);margin:8px 0}
.hw-item .hw-note{font-size:13px;color:var(--light)}

/* 关于 */
.about-intro{background:var(--white);border-radius:16px;padding:50px;max-width:900px;margin:0 auto;box-shadow:0 4px 20px rgba(0,0,0,.05)}
.about-intro p{font-size:16px;color:var(--text);margin-bottom:16px;line-height:1.8}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.value-card{text-align:center;padding:30px 20px}
.value-card .v-icon{font-size:40px;margin-bottom:12px}
.value-card h4{color:var(--primary);font-size:18px;margin-bottom:8px}

/* 联系区 */
.contact-section{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border-radius:16px;padding:50px;text-align:center;margin-top:40px}
.contact-section h3{font-size:26px;margin-bottom:20px}
.qr-grid{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:24px}
.qr-item{background:#fff;border-radius:12px;padding:16px}
.qr-item img{width:140px;height:140px;object-fit:cover;border-radius:8px}
.qr-item p{color:var(--primary);font-size:14px;margin-top:8px;font-weight:600}

/* 页脚 */
.footer{background:var(--dark);color:#A0B8D0;padding:40px 0 20px}
.footer .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px}
.footer h4{color:#fff;font-size:16px;margin-bottom:12px}
.footer p,.footer a{font-size:14px;color:#A0B8D0;display:block;margin-bottom:6px}
.footer a:hover{color:var(--gold)}
.footer-bottom{text-align:center;padding-top:20px;margin-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px}

/* 表单 */
.form-group{margin-bottom:20px}
.form-group label{display:block;margin-bottom:6px;font-weight:600;color:var(--text);font-size:14px}
.form-group label .req{color:var(--red)}
.form-control{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:8px;font-size:15px;font-family:inherit;transition:.2s}
.form-control:focus{outline:none;border-color:var(--secondary);box-shadow:0 0 0 3px rgba(46,117,182,.1)}
textarea.form-control{resize:vertical;min-height:80px}
select.form-control{cursor:pointer}

/* 弹窗 */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;align-items:center;justify-content:center;padding:20px}
.modal-overlay.show{display:flex}
.modal{background:var(--white);border-radius:16px;padding:36px;max-width:500px;width:100%;max-height:90vh;overflow-y:auto;position:relative}
.modal-close{position:absolute;top:16px;right:20px;background:none;border:none;font-size:24px;cursor:pointer;color:var(--gray)}
.modal h3{color:var(--primary);font-size:22px;margin-bottom:20px}
.modal .order-summary{background:var(--bg);border-radius:8px;padding:16px;margin-bottom:20px}
.modal .order-summary .row{display:flex;justify-content:space-between;padding:6px 0;font-size:14px}
.modal .order-summary .total{border-top:1px solid var(--border);margin-top:8px;padding-top:8px;font-weight:bold;font-size:18px;color:var(--red)}

/* 悬浮客服 */
.kefu-float{position:fixed;bottom:30px;right:30px;z-index:99}
.kefu-float .kefu-btn{width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:24px;cursor:pointer;box-shadow:0 4px 16px rgba(31,78,121,.3);display:flex;align-items:center;justify-content:center}
.kefu-popup{display:none;position:absolute;bottom:70px;right:0;width:162px;background:#fff;border-radius:12px;padding:16px;box-shadow:0 4px 20px rgba(0,0,0,.15);text-align:center;white-space:nowrap}
.kefu-popup.show{display:block}
.kefu-popup img{width:130px;height:130px;border-radius:8px;object-fit:cover}
.kefu-popup p{font-size:13px;color:var(--primary);margin-top:8px;font-weight:600;white-space:normal}

/* 结果页 */
.result-page{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:40px 20px}
.result-box{text-align:center;background:#fff;border-radius:16px;padding:50px;max-width:500px;width:100%;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.result-icon{font-size:64px;margin-bottom:16px}
.result-icon.success{color:#52c41a}.result-icon.fail{color:var(--red)}
.result-box h2{font-size:26px;color:var(--primary);margin-bottom:12px}
.result-box p{color:var(--gray);margin-bottom:8px}
.result-box .order-info{background:var(--bg);border-radius:8px;padding:16px;margin:20px 0;text-align:left}
.result-box .order-info .row{display:flex;justify-content:space-between;padding:4px 0;font-size:14px}
.result-box .btns{display:flex;gap:12px;justify-content:center;margin-top:20px}

/* 查询页 */
.query-box{max-width:600px;margin:0 auto;background:#fff;border-radius:16px;padding:40px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.order-list{margin-top:24px}
.order-item{background:var(--bg);border-radius:8px;padding:16px;margin-bottom:12px}
.order-item .row{display:flex;justify-content:space-between;padding:4px 0;font-size:14px}
.badge{display:inline-block;padding:2px 10px;border-radius:10px;font-size:12px;font-weight:600}
.badge-pending{background:#FFF3E0;color:#E65100}
.badge-paid{background:#E8F5E9;color:#2E7D32}
.badge-contacted{background:#E3F2FD;color:#1565C0}
.badge-completed{background:#F3E5F5;color:#6A1B9A}
.badge-closed{background:#F5F5F5;color:#757575}

/* ===== 后台 ===== */
.admin-body{background:var(--bg);min-height:100vh;display:flex}
.sidebar{width:220px;background:var(--dark);color:#fff;min-height:100vh;padding:20px 0;flex-shrink:0;position:fixed;top:0;bottom:0;overflow-y:auto}
.sidebar .logo{padding:0 20px 20px;font-size:18px;font-weight:bold;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:8px}
.sidebar .logo img{height:30px}
.sidebar a{display:block;padding:12px 20px;color:#A0B8D0;font-size:14px;transition:.2s}
.sidebar a:hover,.sidebar a.active{background:rgba(255,255,255,.08);color:#fff;border-left:3px solid var(--gold)}
.sidebar .logout{margin-top:20px;border-top:1px solid rgba(255,255,255,.1);padding-top:12px}
.admin-main{margin-left:220px;flex:1;padding:24px;min-width:0}
.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.admin-header h1{font-size:24px;color:var(--primary)}
.admin-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 8px rgba(0,0,0,.04);margin-bottom:20px}
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.stat-card .s-label{font-size:13px;color:var(--gray)}
.stat-card .s-num{font-size:28px;font-weight:bold;color:var(--primary);margin-top:4px}
.stat-card .s-num.red{color:var(--red)}
table{width:100%;border-collapse:collapse}
th,td{padding:12px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}
th{background:var(--bg);color:var(--gray);font-weight:600;white-space:nowrap}
tr:hover{background:#FAFBFC}
.filter-bar{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap;align-items:center}
.filter-bar select,.filter-bar input{padding:8px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:20px}
.pagination button{padding:6px 14px;border:1px solid var(--border);background:#fff;border-radius:6px;cursor:pointer;font-size:14px}
.pagination button.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination button:disabled{opacity:.4;cursor:not-allowed}

/* 登录页 */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--dark),var(--primary))}
.login-box{background:#fff;border-radius:16px;padding:40px;width:400px;max-width:90vw;box-shadow:0 8px 32px rgba(0,0,0,.2)}
.login-box .logo-area{text-align:center;margin-bottom:30px}
.login-box .logo-area img{height:50px}
.login-box h2{text-align:center;color:var(--primary);margin-bottom:24px;font-size:22px}
.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}
.alert-error{background:#FFEBEE;color:var(--red)}.alert-success{background:#E8F5E9;color:#2E7D32}.alert-info{background:#E3F2FD;color:#1565C0}

/* 设置页 */
.settings-card{max-width:700px}
.settings-card h3{color:var(--primary);margin-bottom:20px;font-size:18px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.toggle-wrap{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.toggle{width:48px;height:26px;background:#ccc;border-radius:13px;position:relative;cursor:pointer;transition:.2s}
.toggle.on{background:var(--secondary)}
.toggle::after{content:'';position:absolute;width:22px;height:22px;background:#fff;border-radius:50%;top:2px;left:2px;transition:.2s}
.toggle.on::after{left:24px}

/* 响应式 */
.hw-deploy-grid{grid-template-columns:repeat(2,1fr);max-width:900px;margin:0 auto}
@media(max-width:1024px){
  .price-grid[style*="repeat(4"]{grid-template-columns:repeat(2,1fr)!important}
  .price-grid[style*="repeat(2"]{grid-template-columns:repeat(2,1fr)!important}
}
@media(max-width:768px){
  .price-grid[style*="repeat(2"]{grid-template-columns:1fr!important}
  .price-grid[style*="auto-fit"]{grid-template-columns:1fr!important}
  .hw-deploy-grid{grid-template-columns:1fr!important;max-width:100%!important}
}
@media(max-width:768px){
  .hamburger{display:block}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:16px;box-shadow:0 4px 8px rgba(0,0,0,.1);gap:4px}
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:12px 16px}
  .hero h1{font-size:30px}.hero .subtitle{font-size:16px}
  .hero{padding:50px 0 70px}
  .stats-bar{grid-template-columns:repeat(2,1fr);margin:0 12px;margin-top:-30px}
  .stat-item{padding:16px 10px}.stat-item .num{font-size:24px}
  .section{padding:40px 0}
  .section-title{font-size:26px}
  .feature-grid,.price-grid,.hw-grid,.values-grid{grid-template-columns:1fr}
  .feature-detail,.feature-detail:nth-child(even){flex-direction:column;gap:20px}
  .about-intro{padding:24px}
  .contact-section{padding:30px 20px}
  .qr-grid{gap:16px}
  .sidebar{width:60px;padding:10px 0}
  .sidebar .logo span,.sidebar a span{display:none}
  .sidebar .logo{justify-content:center;padding:0 0 10px}
  .sidebar a{text-align:center;padding:12px 4px;font-size:18px}
  .admin-main{margin-left:60px;padding:16px}
  .stat-cards{grid-template-columns:repeat(2,1fr)}
  .modal{padding:24px 20px}
  .kefu-float{bottom:20px;right:20px}
  table{font-size:12px}th,td{padding:8px 6px}
  .filter-bar{flex-direction:column;align-items:stretch}
  .filter-bar select,.filter-bar input{width:100%}
}

/* ===== V2.0 新增样式 ===== */

/* 扫码支付弹窗 */
.qr-pay-box{text-align:center;padding:10px 0}
.qr-pay-box .qr-amount{font-size:36px;font-weight:bold;color:var(--red);margin:10px 0}
.qr-pay-box .qr-amount small{font-size:18px;color:var(--gray)}
.qr-pay-box .qr-img{width:240px;height:240px;margin:16px auto;border:1px solid var(--border);border-radius:12px;padding:10px;background:#fff}
.qr-pay-box .qr-img img{width:100%;height:100%}
.qr-pay-box .qr-tip{color:var(--gray);font-size:14px;margin-top:10px}
.qr-pay-box .qr-status{margin-top:12px;font-size:15px;font-weight:600}
.qr-pay-box .qr-status.checking{color:var(--secondary)}
.qr-pay-box .qr-status.success{color:#2E7D32}
.qr-pay-box .qr-status.timeout{color:var(--red)}
.qr-countdown{font-size:13px;color:var(--light);margin-top:8px}
.qr-refresh{margin-top:10px}

/* 登录/注册页 */
.auth-page{min-height:calc(100vh - 64px);display:flex;align-items:center;justify-content:center;padding:40px 20px;background:linear-gradient(135deg,var(--dark),var(--primary))}
.auth-box{background:#fff;border-radius:16px;padding:40px;width:420px;max-width:100%;box-shadow:0 8px 32px rgba(0,0,0,.15)}
.auth-box .logo-area{text-align:center;margin-bottom:24px}
.auth-box .logo-area img{height:48px}
.auth-box h2{text-align:center;color:var(--primary);margin-bottom:24px;font-size:22px}
.auth-box .auth-switch{text-align:center;margin-top:16px;font-size:14px;color:var(--gray)}
.sms-row{display:flex;gap:10px}
.sms-row .form-control{flex:1}
.sms-row .btn{white-space:nowrap;min-width:120px}
.sms-row .btn:disabled{opacity:.5;cursor:not-allowed}

/* 用户中心 */
.user-layout{display:flex;gap:24px;max-width:1200px;margin:30px auto;padding:0 20px;min-height:80vh}
.user-sidebar{width:220px;flex-shrink:0;background:#fff;border-radius:12px;padding:16px 0;box-shadow:0 2px 8px rgba(0,0,0,.04);height:fit-content}
.user-sidebar .user-info{padding:16px 20px;border-bottom:1px solid var(--border);margin-bottom:8px}
.user-sidebar .user-info .avatar{width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:bold;margin-bottom:8px}
.user-sidebar .user-info .name{font-weight:600;color:var(--primary)}
.user-sidebar .user-info .sub{font-size:12px;color:var(--light)}
.user-sidebar a{display:block;padding:12px 20px;color:var(--text);font-size:14px;transition:.2s}
.user-sidebar a:hover,.user-sidebar a.active{background:var(--light-blue);color:var(--primary);border-left:3px solid var(--secondary)}
.user-sidebar a .badge-dot{display:inline-block;background:var(--red);color:#fff;font-size:11px;border-radius:10px;padding:0 6px;margin-left:6px}
.user-content{flex:1;min-width:0}
.user-card{background:#fff;border-radius:12px;padding:28px;box-shadow:0 2px 8px rgba(0,0,0,.04);margin-bottom:20px}
.user-card h3{color:var(--primary);font-size:18px;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.user-card .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.msg-item{padding:16px;border-bottom:1px solid var(--border);cursor:pointer;transition:.2s}
.msg-item:hover{background:#FAFBFC}
.msg-item.unread{background:#F0F7FF}
.msg-item .msg-title{font-weight:600;color:var(--text);margin-bottom:4px}
.msg-item.unread .msg-title::before{content:'';display:inline-block;width:8px;height:8px;background:var(--red);border-radius:50%;margin-right:6px;vertical-align:middle}
.msg-item .msg-content{font-size:13px;color:var(--gray);margin-bottom:4px}
.msg-item .msg-time{font-size:12px;color:var(--light)}
.msg-detail{white-space:pre-wrap;line-height:1.8}

/* 后台用户管理 */
.user-avatar-sm{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:bold}
.status-toggle{padding:4px 12px;border-radius:10px;font-size:12px;cursor:pointer;border:none}
.status-toggle.active{background:#E8F5E9;color:#2E7D32}
.status-toggle.inactive{background:#FFEBEE;color:var(--red)}

/* 消息发送弹窗 */
.recipient-row{margin-bottom:16px}
.recipient-row label{display:block;margin-bottom:6px;font-weight:600;font-size:14px}

@media(max-width:768px){
  .user-layout{flex-direction:column;padding:0 12px;margin:16px auto}
  .user-sidebar{width:100%;display:flex;overflow-x:hidden;padding:8px;flex-wrap:wrap;gap:4px}
  .user-sidebar .user-info{display:none}
  .user-sidebar a{white-space:nowrap;border-left:none;border-bottom:2px solid transparent;flex-shrink:0}
  .user-sidebar a.active{border-left:none;border-bottom-color:var(--secondary)}
  .user-card{padding:16px}
  .user-card .form-row{grid-template-columns:1fr}
  .auth-box{padding:28px 20px}
  .qr-pay-box .qr-img{width:200px;height:200px}
}

/* ===== 产品详情页 ===== */
.product-hero{position:relative;background:linear-gradient(135deg,var(--dark) 0%,var(--primary) 100%);color:#fff;padding:60px 0 50px;overflow:hidden}
.product-hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('/images/bg-data.png') center/cover;opacity:.15}
.product-hero .container{position:relative;z-index:1}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.7);margin-bottom:16px}
.breadcrumb a{color:rgba(255,255,255,.8)}
.breadcrumb a:hover{color:#fff}
.product-hero h1{font-size:36px;margin-bottom:12px}
.product-hero .subtitle{font-size:17px;opacity:.9;margin-bottom:24px;max-width:600px}
.product-hero .price-tag{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);border-radius:12px;padding:16px 28px;margin-bottom:20px}
.product-hero .price-tag .amount{font-size:36px;font-weight:bold;color:#FFD700}
.product-hero .price-tag .unit{font-size:16px;opacity:.8}
.product-hero .price-tag .orig{font-size:14px;opacity:.6;text-decoration:line-through;margin-left:10px}
.product-hero .hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.product-hero .hero-btns .btn{padding:12px 32px;font-size:16px}

.product-section{padding:50px 0}
.product-section.alt{background:var(--bg)}
.product-section h2{text-align:center;color:var(--primary);font-size:28px;margin-bottom:8px}
.product-section .section-desc{text-align:center;color:var(--gray);margin-bottom:36px}

/* 功能卡片网格 */
.feature-showcase{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.feature-showcase .fs-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:transform .3s}
.feature-showcase .fs-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.feature-showcase .fs-card img{width:100%;height:200px;object-fit:cover;border-bottom:1px solid var(--border)}
.feature-showcase .fs-card .fs-body{padding:16px}
.feature-showcase .fs-card h4{color:var(--primary);font-size:16px;margin-bottom:6px}
.feature-showcase .fs-card p{font-size:13px;color:var(--gray);line-height:1.6}

/* 图文左右交替 */
.media-row{display:flex;align-items:center;gap:40px;margin-bottom:48px}
.media-row.reverse{flex-direction:row-reverse}
.media-row .media-col{flex:1;min-width:0}
.media-row .media-col img,.media-row .media-col video{width:100%;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.1)}
.media-row .text-col h3{color:var(--primary);font-size:22px;margin-bottom:12px}
.media-row .text-col p{color:var(--text);line-height:1.8;margin-bottom:12px}
.media-row .text-col ul{list-style:none;padding:0}
.media-row .text-col ul li{padding:6px 0 6px 24px;position:relative;color:var(--text)}
.media-row .text-col ul li::before{content:'✓';position:absolute;left:0;color:#2E7D32;font-weight:bold}

/* 案例画廊 */
.case-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}
.case-gallery.cols-3{grid-template-columns:repeat(3,1fr)}
.case-gallery img{width:100%;height:220px;object-fit:cover;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.08);display:block;transition:transform .3s}
.case-gallery img:hover{transform:scale(1.03)}
/* 竖屏图片画廊 */
.portrait-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}
.portrait-gallery img{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.08);display:block;transition:transform .3s}
.portrait-gallery img:hover{transform:scale(1.02)}

/* 视频展示 */
.video-grid{display:grid;gap:20px;margin-top:24px}
.video-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.video-grid.cols-4{grid-template-columns:repeat(4,1fr)}
.video-grid .video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.video-grid .video-card video{width:100%;display:block;background:#000}
.video-grid.cols-3 .video-card video{aspect-ratio:16/9;object-fit:contain}
.video-grid.cols-4 .video-card video{aspect-ratio:9/16;object-fit:contain}
.video-grid .video-card .v-caption{padding:12px;font-size:14px;color:var(--primary);font-weight:600;text-align:center}
.video-sub-title{font-size:15px;color:var(--secondary);font-weight:600;margin:28px 0 0;text-align:center}

/* 规格表 */
.spec-table{max-width:800px;margin:0 auto;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.spec-table .spec-row{display:flex;padding:14px 24px;border-bottom:1px solid var(--border)}
.spec-table .spec-row:last-child{border-bottom:none}
.spec-table .spec-label{width:160px;color:var(--gray);font-weight:600;flex-shrink:0}
.spec-table .spec-value{flex:1;color:var(--text)}

/* CTA区 */
.cta-section{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;text-align:center;padding:60px 0}
.cta-section h2{font-size:30px;margin-bottom:12px}
.cta-section p{font-size:16px;opacity:.9;margin-bottom:24px}
.cta-section .btn{padding:14px 40px;font-size:17px}

/* 套餐对比 */
.plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:24px}
.plan-card{background:#fff;border-radius:12px;padding:28px 20px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.06);border:2px solid transparent;transition:.3s}
.plan-card:hover{border-color:var(--secondary)}
.plan-card.recommended{border-color:var(--gold);position:relative}
.plan-card .plan-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--gold);color:var(--dark);font-size:12px;font-weight:bold;padding:4px 16px;border-radius:10px}
.plan-card h3{color:var(--primary);margin-bottom:12px;font-size:18px}
.plan-card .plan-price{font-size:32px;font-weight:bold;color:var(--red);margin-bottom:4px}
.plan-card .plan-price small{font-size:14px;color:var(--gray)}
.plan-card .plan-total{font-size:13px;color:var(--gray);margin-bottom:16px}
.plan-card ul{list-style:none;padding:0;text-align:left;margin-bottom:20px}
.plan-card ul li{padding:6px 0;font-size:13px;color:var(--text);border-bottom:1px dashed var(--border)}

/* 功能详情页 - 步骤 */
.step-list{display:grid;grid-template-columns:1fr;gap:24px;margin-top:24px}
.step-item{display:flex;gap:20px;align-items:flex-start;background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 12px rgba(0,0,0,.05)}
.step-item img{width:280px;flex-shrink:0;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.step-num{flex-shrink:0;width:40px;height:40px;background:var(--secondary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:bold;font-size:18px}
.step-body h4{color:var(--primary);margin-bottom:8px;font-size:17px}
.step-body p{color:var(--text);font-size:14px;line-height:1.8;margin:0}

/* 提示框 */
.tip-box{background:#e8f4fd;border-left:4px solid var(--secondary);border-radius:8px;padding:14px 18px;margin:16px 0;font-size:14px;line-height:1.8;color:var(--text)}
.tip-box.warn{background:#fff8e1;border-left-color:#ffc107}
.tip-box b{color:var(--primary)}

/* FAQ */
.faq-list{max-width:800px;margin:24px auto 0}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 1px 6px rgba(0,0,0,.05);overflow:hidden}
.faq-q{padding:16px 20px;font-weight:600;color:var(--primary);cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:15px}
.faq-q::after{content:"+";font-size:20px;color:var(--secondary);transition:.3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s;padding:0 20px;color:var(--text);font-size:14px;line-height:1.8}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 16px}

/* 提示词展示 */
.prompt-box{background:#1e1e1e;color:#d4d4d4;border-radius:8px;padding:14px 18px;margin:8px 0;font-family:Consolas,Monaco,monospace;font-size:13px;line-height:1.7;overflow-x:auto;white-space:pre-wrap;word-break:break-word}
.prompt-label{display:inline-block;background:var(--secondary);color:#fff;font-size:12px;padding:3px 12px;border-radius:4px;margin:12px 0 4px;font-weight:600}

@media(max-width:768px){
  .product-hero h1{font-size:26px}
  .product-hero .price-tag .amount{font-size:28px}
  .feature-showcase{grid-template-columns:1fr}
  .media-row,.media-row.reverse{flex-direction:column;gap:20px}
  .case-gallery{grid-template-columns:repeat(2,1fr)}
  .portrait-gallery{grid-template-columns:repeat(2,1fr)}
  .video-grid.cols-3,.video-grid.cols-4{grid-template-columns:repeat(2,1fr);gap:12px}
  .plan-grid{grid-template-columns:1fr 1fr;gap:12px}
  .spec-table .spec-row{flex-direction:column;padding:12px 16px}
  .spec-table .spec-label{width:auto;margin-bottom:4px}
  .step-item{flex-direction:column}
  .step-item img{width:100%}
}