/* SQZ 前台样式 - 现代简约 */
:root{
  --bg:#0b1020;
  --bg2:#0f172a;
  --panel:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e2e8f0;
  --primary:#6366f1;
  --primary-d:#4f46e5;
  --accent:#22d3ee;
  --ok:#10b981;
  --warn:#f59e0b;
  --danger:#ef4444;
  --radius:12px;
  --shadow:0 8px 30px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:#f8fafc;line-height:1.55}
body.front{display:flex;flex-direction:column;min-height:100vh}
body.front main{flex:1 0 auto}
body.front .footer{flex-shrink:0;margin-top:auto}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-d)}
img{max-width:100%}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.small{font-size:12px}
.mono{font-family:Menlo,Consolas,monospace;font-size:13px;word-break:break-all}

/* 导航 */
.navbar{background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px;color:var(--text)}
.brand img{height:28px}
.nav-links{display:flex;align-items:center;gap:18px}
.nav-links a{color:#475569;font-weight:500}
.nav-links a:hover{color:var(--primary)}

/* Hero */
.hero{background:linear-gradient(135deg,#0b1020 0%,#1e1b4b 50%,#312e81 100%);color:#fff;overflow:hidden;position:relative}
.hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;padding:80px 20px 100px;align-items:center}
.hero h1{font-size:42px;margin:0 0 14px;line-height:1.2;font-weight:800}
.hero p{font-size:17px;color:#cbd5e1;margin:0 0 28px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-notice{margin-top:20px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:10px 14px;color:#e2e8f0;font-size:14px}
.hero-art{position:relative;height:280px}
.orb{position:absolute;width:240px;height:240px;border-radius:50%;filter:blur(40px);opacity:.7}
.orb{background:#6366f1;top:0;right:60px}
.orb2{background:#22d3ee;width:180px;height:180px;bottom:-20px;right:-20px}
.orb3{background:#a78bfa;width:140px;height:140px;top:60px;right:-30px}

/* 通用按钮 */
.btn{display:inline-block;padding:10px 18px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer;font-size:14px;line-height:1;transition:.15s}
.btn:hover{border-color:#cbd5e1}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-d);color:#fff;border-color:var(--primary-d)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-danger{background:#fff;color:var(--danger);border-color:#fecaca}
.btn-danger:hover{background:#fef2f2;border-color:#fca5a5}
.btn-secondary{background:#e2e8f0;border-color:#cbd5e1}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-sm{padding:6px 12px;font-size:12px}
.btn.block{width:100%;display:block;text-align:center}
.btn.disabled,.btn:disabled{opacity:.5;pointer-events:none}

/* 区块 */
.page{padding:40px 20px}
.page-title{font-size:28px;margin:0 0 24px}
.page.narrow{max-width:520px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin:36px 0 18px}
.section-head h2{margin:0;font-size:22px}
.section-head h3{margin:0;font-size:18px}

/* 卡片 / 网格 */
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card.center{max-width:560px;margin:60px auto;text-align:center}
.card.narrow{max-width:560px;margin:0 auto}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.empty{padding:30px;text-align:center;color:var(--muted);grid-column:1/-1}

/* 商品卡 */
.product-card{display:flex;flex-direction:column;overflow:hidden;padding:0;color:inherit;transition:.2s}
.product-card:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(15,23,42,.12)}
.thumb{height:160px;background:#e2e8f0 center/cover no-repeat;border-radius:var(--radius) var(--radius) 0 0}
.thumb.large{height:360px;border-radius:var(--radius)}
.thumb-placeholder{display:flex;align-items:center;justify-content:center;color:#94a3b8;font-weight:800;font-size:32px;background:linear-gradient(135deg,#e0e7ff,#fae8ff)}
.card-body{padding:14px 16px}
.card-body h3{margin:0 0 6px;font-size:16px}
.price-row{display:flex;align-items:baseline;gap:8px;margin-top:10px}
.price{color:var(--danger);font-weight:700;font-size:18px}
.price.big{font-size:28px}
.origin{color:var(--muted);text-decoration:line-through;font-size:12px}

/* 特性网格 */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:50px 0 30px}
.feature{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:center;box-shadow:var(--shadow)}
.feature .ico{font-size:28px;margin-bottom:10px}
.feature h3{margin:6px 0;font-size:16px}
.feature p{margin:0;color:var(--muted);font-size:13px}

/* 商品详情 */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:24px}
.pd-info h1{margin:0 0 8px;font-size:28px}
.pd-info .meta{margin:14px 0}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;background:#e2e8f0;color:#334155;font-size:12px;font-weight:600}
.badge-ok{background:#d1fae5;color:#065f46}
.badge-warn{background:#fef3c7;color:#92400e}
.badge-muted{background:#e2e8f0;color:#64748b}
.desc{margin-top:24px}
.desc-body{color:#334155;line-height:1.8}

/* 表单 */
form label{display:block;margin:14px 0 6px;color:#334155;font-size:13px;font-weight:500}
form input,form select,form textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:#fff;font-size:14px;font-family:inherit;outline:none;transition:.15s}
form input:focus,form select:focus,form textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.18)}
form textarea{resize:vertical}
.form-actions{margin-top:20px;display:flex;gap:10px;align-items:center}

/* 认证卡片 */
.auth-card{max-width:420px;margin:60px auto;padding:30px}
.auth-card h1{margin:0 0 4px}

/* 用户中心 */
.user-grid{display:grid;grid-template-columns:240px 1fr;gap:24px}
.user-side{padding:18px;height:fit-content;position:sticky;top:84px}
.user-id{display:flex;gap:12px;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--border)}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#22d3ee);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}
.user-id .name{font-weight:600}
.user-nav{display:flex;flex-direction:column;gap:2px;margin-top:14px}
.user-nav a{padding:10px 12px;border-radius:8px;color:#475569}
.user-nav a:hover,.user-nav a.active{background:#eef2ff;color:var(--primary-d)}

/* 数据/键值 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.stat-grid.four{grid-template-columns:repeat(4,1fr)}
.stat .stat-num{font-size:24px;font-weight:700}
table.data{width:100%;border-collapse:collapse;margin-top:12px}
table.data th,table.data td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle}
table.data th{color:var(--muted);font-weight:500;background:#f8fafc}
table.kv{width:100%;border-collapse:collapse}
table.kv th,table.kv td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}
table.kv th{width:140px;color:var(--muted);font-weight:500;background:#f8fafc}

/* 订单详情 */
.order-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px}
.card-codes{margin-top:20px;padding:16px;background:#f1f5f9;border-radius:10px}
.card-codes textarea{width:100%;border-radius:8px;padding:10px;font-family:Menlo,Consolas,monospace;font-size:13px;border:1px solid var(--border);background:#fff}

/* 下单页 */
.buy-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:24px}
.pay-channels{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:6px}
.pay-channel{display:flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;cursor:pointer;font-size:14px}
.pay-channel input{width:auto;margin:0}
.aside .check-list,.card .check-list{padding-left:18px;margin:0}
.check-list li{margin:6px 0;color:#475569;font-size:14px}

/* 提示 */
.alert{padding:12px 14px;border-radius:10px;margin:16px 0;font-size:14px}
.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert-warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a;padding:10px 14px;border-radius:8px}

/* 关于页手风琴（单开模式） */
.accordion{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.accordion .acc-item{border:1px solid var(--border,#e2e8f0);border-radius:12px;background:#fff;overflow:hidden;transition:.2s}
.accordion .acc-item[open]{border-color:#6366f1;box-shadow:0 6px 18px -10px rgba(99,102,241,.45)}
.accordion .acc-head{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:14px 16px;font-weight:500;font-size:15px;color:#1e293b;user-select:none}
.accordion .acc-head::-webkit-details-marker{display:none}
.accordion .acc-icon{font-size:20px;flex:0 0 28px;text-align:center}
.accordion .acc-title{flex:1}
.accordion .acc-arrow{flex:0 0 auto;color:#94a3b8;font-size:22px;line-height:1;transform:rotate(90deg);transition:.2s}
.accordion .acc-item[open] .acc-arrow{transform:rotate(-90deg);color:#6366f1}
.accordion .acc-body{padding:6px 18px 16px 56px;color:#334155;font-size:14px;line-height:1.7}
.accordion .acc-body p{margin:6px 0}
.accordion .acc-body ul,.accordion .acc-body ol{margin:6px 0 6px 18px;padding-left:4px}
.accordion .acc-body li{margin:4px 0}
.accordion .acc-body code{background:#f1f5f9;border-radius:4px;padding:1px 6px;font-size:12.5px;color:#0f172a}
.accordion .acc-body a{color:#6366f1}
@media (max-width:560px){
  .accordion .acc-body{padding-left:18px}
}
.alert-ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}

/* 安装向导 */
.install-card{max-width:680px;margin:50px auto;padding:30px}
.install-section{margin-top:18px;padding-top:14px;border-top:1px dashed var(--border)}
.install-section h3{margin:0 0 8px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid-2 .full{grid-column:1/-1}

/* 简洁页 */
body.simple{background:linear-gradient(135deg,#eef2ff,#fdf4ff);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 20px}
.brand-text{font-size:42px;margin:0 0 8px;background:linear-gradient(135deg,#6366f1,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent;text-align:center}
.simple-body{margin-top:14px}

/* 页脚 */
.footer{padding:22px 0;border-top:1px solid var(--border);background:#fff}
.footer .container{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px;flex-wrap:wrap;gap:8px}
.foot-links{display:flex;align-items:center;flex-wrap:wrap;gap:6px}
.tg-link{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;background:#e0f2fe;color:#0369a1;border-radius:999px;font-weight:600}
.tg-link:hover{background:#bae6fd;color:#075985}

/* 卡密块 */
.cards-block{margin:14px 0;padding:14px;background:#f8fafc;border:1px solid var(--border);border-radius:10px}
.cards-meta{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.cards-block textarea{width:100%;border-radius:8px;padding:10px;font-family:Menlo,Consolas,monospace;font-size:13px;border:1px solid var(--border);background:#fff;resize:vertical}
.unbind-notes{margin-top:18px;padding:14px;background:#f8fafc;border:1px solid var(--border);border-radius:10px}
.unbind-notes ul{margin:8px 0 0 18px;padding:0;color:#475569;font-size:13px;line-height:1.7}
.unbind-notes li{margin:3px 0}

.amount-presets{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 10px}
.amount-presets .preset{padding:8px 16px;border:1px solid var(--border);border-radius:8px;background:#fff;cursor:pointer;font-size:14px;color:#334155;transition:.15s}
.amount-presets .preset:hover{border-color:var(--primary);color:var(--primary)}
.amount-presets .preset.on{border-color:var(--primary);background:#eef2ff;color:var(--primary-d);font-weight:600}

/* 代理 */
.agent-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:14px}
.agent-card{padding:22px;display:flex;flex-direction:column;gap:8px;border-top:3px solid var(--primary)}
.agent-card h3{margin:0;font-size:18px}
.agent-price{font-size:28px;font-weight:800;color:var(--danger);display:flex;align-items:baseline;gap:8px}
.agent-discount{display:inline-block;padding:4px 10px;background:#eef2ff;color:var(--primary-d);border-radius:6px;font-size:12px;font-weight:600;width:fit-content}
.agent-desc{color:#475569;font-size:13px;line-height:1.7;margin-top:6px;white-space:pre-line}
.agent-form{margin-top:auto}
.agent-form .pay-channels{grid-template-columns:1fr 1fr}
.captcha-row{display:flex;gap:10px;align-items:stretch;margin-top:6px}
.captcha-row input{flex:1}
.captcha-row img{height:42px;border:1px solid var(--border);border-radius:8px;cursor:pointer;background:#fff}
.captcha-row .voice{padding:0 12px;border:1px solid var(--border);border-radius:8px;background:#fff;cursor:pointer;font-size:18px;color:var(--primary)}
.captcha-row .voice:hover{border-color:var(--primary)}

/* 商品分组 tab */
.shop-head{display:flex;align-items:baseline;gap:14px;margin:0 0 14px}
.shop-head .page-title{margin:0}
.cat-tabs{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding:0 0 18px;margin:0 0 22px;border-bottom:1px solid var(--border)}
.cat-tab{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;background:#fff;border:1px solid var(--border);color:#334155;font-size:14px;font-weight:500;line-height:1;transition:.18s}
.cat-tab em{font-style:normal;font-size:11px;font-weight:600;padding:2px 7px;border-radius:999px;background:#f1f5f9;color:#64748b}
.cat-tab:hover{border-color:#c7d2fe;color:var(--primary-d);background:#f8faff}
.cat-tab.on{background:linear-gradient(135deg,var(--primary),#818cf8);border-color:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(99,102,241,.28)}
.cat-tab.on em{background:rgba(255,255,255,.22);color:#fff}

/* 语音验证码 */
.voice-row{display:flex;gap:10px;align-items:stretch;margin-top:6px}
.voice-row .voice-play{flex:0 0 auto;background:#eef2ff;color:var(--primary-d);border-color:#c7d2fe;font-weight:600;white-space:nowrap}
.voice-row .voice-play:hover{background:#e0e7ff;color:var(--primary-d)}
.voice-row .voice-play:disabled{opacity:.6;cursor:wait}
.voice-row input{flex:1;letter-spacing:6px;text-align:center;font-weight:600;font-size:16px}
.voice-row .captcha-image{flex:0 0 auto;width:120px;height:42px;border:1px solid var(--border);border-radius:8px;background:#fff;cursor:pointer;object-fit:contain}
.voice-tip{margin:6px 0 0}
.captcha-switch{border:0;background:transparent;color:var(--primary);cursor:pointer;font-size:12px;padding:0;text-decoration:underline}
.captcha-switch:hover{color:var(--primary-d)}

/* 商品幻灯片 */
.gallery{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.g-main{position:relative;background:#f1f5f9;display:flex;align-items:center;justify-content:center;aspect-ratio:4/3;width:100%;overflow:hidden}
.g-main img{display:block;max-width:100%;max-height:100%;object-fit:contain;cursor:zoom-in;transition:opacity .15s}
.g-nav{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border-radius:50%;border:0;background:rgba(15,23,42,.5);color:#fff;font-size:22px;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:2;line-height:1}
.g-nav:hover{background:rgba(15,23,42,.8)}
.g-prev{left:12px}.g-next{right:12px}
.gallery[data-count="1"] .g-nav{display:none}
.g-counter{position:absolute;bottom:10px;right:12px;padding:3px 10px;border-radius:999px;background:rgba(15,23,42,.55);color:#fff;font-size:12px;z-index:2}
.g-thumbs{display:flex;gap:8px;padding:10px;overflow-x:auto;background:#fff;border-top:1px solid var(--border)}
.g-thumbs::-webkit-scrollbar{height:6px}
.g-thumbs::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}
.g-thumb{flex:0 0 auto;width:64px;height:64px;padding:0;border:2px solid transparent;border-radius:8px;cursor:pointer;background:#f1f5f9;overflow:hidden;transition:.15s}
.g-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.g-thumb:hover{border-color:#c7d2fe}
.g-thumb.on{border-color:var(--primary)}

/* 灯箱 */
.lightbox{position:fixed;inset:0;background:rgba(15,23,42,.92);display:none;align-items:center;justify-content:center;z-index:200}
.lightbox.on{display:flex}
.lightbox img{max-width:90vw;max-height:85vh;object-fit:contain;border-radius:8px}
.lb-close{position:absolute;top:16px;right:20px;width:38px;height:38px;border-radius:50%;border:0;background:rgba(255,255,255,.15);color:#fff;font-size:24px;cursor:pointer}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:0;background:rgba(255,255,255,.12);color:#fff;font-size:28px;cursor:pointer}
.lb-prev{left:24px}.lb-next{right:24px}
.lb-close:hover,.lb-nav:hover{background:rgba(255,255,255,.25)}

/* 富文本正文渲染 */
.desc-body.rich img{max-width:100%;border-radius:8px;cursor:zoom-in;margin:10px 0}
.desc-body.rich h2,.desc-body.rich h3{margin:18px 0 8px}
.desc-body.rich blockquote{margin:12px 0;padding:10px 14px;border-left:3px solid var(--primary);background:#f1f5f9;color:#475569;border-radius:6px}
.desc-body.rich ul,.desc-body.rich ol{padding-left:22px}
.desc-body.rich a{color:var(--primary);text-decoration:underline}
.desc-body.rich hr{border:none;border-top:1px dashed var(--border);margin:14px 0}

/* 响应式 */
@media (max-width: 1100px){
  .grid,.features{grid-template-columns:repeat(3,1fr)}
}
@media (max-width: 960px){
  .container{padding:0 14px}
  .hero-inner{grid-template-columns:1fr;padding:50px 20px 60px}
  .hero h1{font-size:32px}
  .hero p{font-size:15px}
  .hero-art{display:none}
  .grid,.features{grid-template-columns:repeat(2,1fr)}
  .stat-grid,.stat-grid.four{grid-template-columns:repeat(2,1fr)}
  .product-detail,.buy-grid,.user-grid{grid-template-columns:1fr}
  .user-side{position:static}
  .grid-2{grid-template-columns:1fr}
  .grid-2 .full{grid-column:auto}
  .nav-links{gap:10px}
  .nav-links a{font-size:13px}
  .navbar{position:sticky}
  .footer .container{flex-direction:column;align-items:flex-start;gap:6px}
  .pay-channels{grid-template-columns:1fr 1fr}
  .g-main{aspect-ratio:1/1}
  table.data,table.kv{display:block;overflow-x:auto;white-space:nowrap}
  .card{padding:16px}
  .page{padding:24px 0}
  .page-title{font-size:22px;margin:0 0 16px}
  .lb-prev{left:8px}.lb-next{right:8px}
}
@media (max-width: 640px){
  .navbar .nav-inner{height:54px;gap:8px}
  .brand span{font-size:15px}
  .nav-links{gap:6px;overflow-x:auto;white-space:nowrap;flex:1;justify-content:flex-end}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a{font-size:13px;padding:4px 6px}
  .nav-links a.btn{padding:6px 12px}
  .grid,.features{grid-template-columns:1fr}
  .stat-grid,.stat-grid.four{grid-template-columns:1fr 1fr}
  .pay-channels{grid-template-columns:1fr}
  .auth-card{margin:30px auto;padding:24px}
  .hero h1{font-size:26px}
  .btn-lg{padding:12px 20px;font-size:15px}
  .price.big{font-size:24px}
  .g-main{aspect-ratio:1/1}
  .g-thumb{width:52px;height:52px}
  .cat-tabs{overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px}
  .cat-tab{flex-shrink:0}
  .amount-presets .preset{flex:1;min-width:0;text-align:center}
  .product-card .thumb{height:140px}
}