/* ========== 源码集市 · UI v5 深度优化 ==========
   在 v4 玻璃拟态基础上增强：更精致的渐变、光效、卡片质感与动效 */
:root {
  --brand:#5b5bf1; --brand2:#8b5cf6; --brand3:#d946ef; --brand-dark:#4338ca; --brand-light:#c7d2fe;
  --bg:#eef1f8; --bg2:#e4e9f7;
  --grad-brand:linear-gradient(135deg,#5b5bf1 0%,#8b5cf6 55%,#a855f7 100%);
  --grad-warm:linear-gradient(135deg,#f59e0b,#f97316);
  --grad-green:linear-gradient(135deg,#10b981,#06b6d4);
  --shadow-hover:0 16px 40px rgba(99,102,241,.22);
  --radius:16px;
}

/* ========== 全局氛围背景 ========== */
html { background:var(--bg) }
body {
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(139,92,246,.10), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(59,130,246,.08), transparent 55%),
    radial-gradient(800px 600px at 50% 110%, rgba(16,185,129,.06), transparent 60%),
    var(--bg);
  background-attachment:fixed;
}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--brand-light),var(--brand2));border-radius:6px;border:2px solid var(--bg)}
::-webkit-scrollbar-track{background:transparent}

/* ========== 顶栏 ========== */
.site-header{background:rgba(255,255,255,.72);backdrop-filter:blur(28px) saturate(190%);-webkit-backdrop-filter:blur(28px) saturate(190%)}
.site-header.scrolled{box-shadow:0 6px 28px rgba(15,23,42,.08)}
.logo-icon{background:var(--grad-brand);box-shadow:0 6px 16px rgba(91,91,241,.4)}
.nav a{padding:8px 16px;border-radius:12px}
.nav a.router-link-active{background:linear-gradient(135deg,#eef2ff,#f5f3ff);box-shadow:inset 0 -2px 0 var(--brand),0 2px 8px rgba(99,102,241,.08)}
.userchip{border-radius:24px;border:1px solid rgba(99,102,241,.12)}

/* ========== 按钮 ========== */
.el-button--primary{background-image:var(--grad-brand);border:none;box-shadow:0 6px 18px rgba(91,91,241,.32);transition:all .25s ease}
.el-button--primary:hover,.el-button--primary:focus{background-image:linear-gradient(135deg,#4f46e5,#7c3aed);box-shadow:0 10px 26px rgba(91,91,241,.42);transform:translateY(-1px)}
.el-button--primary.is-plain{background:#eef2ff;color:var(--brand);border:1px solid rgba(99,102,241,.25);box-shadow:none}
.el-button--primary.is-plain:hover{background:linear-gradient(135deg,#eef2ff,#f5f3ff);color:var(--brand-dark)}
.el-button--warning{background-image:var(--grad-warm);border:none}
.el-button--success{background-image:var(--grad-green);border:none}

/* ========== 首页 Hero v5 ========== */
.home-banner{
  background:
    radial-gradient(900px 400px at 15% -20%, rgba(255,255,255,.22), transparent 60%),
    linear-gradient(120deg,#4338ca 0%,#5b5bf1 30%,#8b5cf6 62%,#a855f7 82%,#d946ef 100%);
  background-size:200% 200%;
  animation:gradientMove 10s ease infinite;
  border-radius:24px;
  padding:68px 56px 60px;
  box-shadow:0 24px 60px rgba(79,70,229,.35);
  isolation:isolate;
}
.home-banner::before{background:rgba(255,255,255,.08);width:340px;height:340px;left:-110px;bottom:-110px}
.home-banner::after{background:rgba(255,255,255,.05);width:420px;height:420px;right:-90px;top:-120px}
.home-banner .aurora{position:absolute;border-radius:50%;filter:blur(46px);opacity:.5;z-index:0;pointer-events:none}
.home-banner .aurora.a1{width:260px;height:260px;background:#38bdf8;left:36%;top:-90px;animation:float 9s ease-in-out infinite}
.home-banner .aurora.a2{width:200px;height:200px;background:#f472b6;right:18%;bottom:-70px;animation:float 11s ease-in-out infinite reverse}
.home-banner .aurora.a3{width:140px;height:140px;background:#fbbf24;left:-40px;top:30%;animation:float 7s ease-in-out infinite}
.home-banner .hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:34px 34px;mask-image:radial-gradient(ellipse at 30% 30%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at 30% 30%,#000 30%,transparent 75%);z-index:0}
.home-banner .banner-left,.home-banner .banner-right{position:relative;z-index:1}
.home-banner h1{font-size:46px;background:linear-gradient(180deg,#fff 30%,rgba(255,255,255,.72));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-shadow:none;letter-spacing:1px}
.home-banner .banner-left p{font-size:15px;opacity:.92;letter-spacing:.5px}
.home-banner .sh-box{border-radius:16px;box-shadow:0 14px 40px rgba(0,0,0,.22)}
.home-banner .sh-btn{background:var(--grad-warm);border-radius:0 16px 16px 0}
.home-banner .stats{gap:52px}
.home-banner .stats div span{font-size:34px;background:linear-gradient(180deg,#fff,#dbeafe);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-carousel .hc-window,.hero-carousel .hc-cards{box-shadow:0 18px 46px rgba(0,0,0,.28)}

/* ========== 公告栏 ========== */
.notice-bar{border-radius:14px;background:rgba(255,255,255,.92);border:1px solid var(--border);box-shadow:0 4px 18px rgba(15,23,42,.05);transition:var(--transition)}
.notice-bar:hover{box-shadow:0 8px 26px rgba(99,102,241,.12);transform:translateY(-1px)}

/* ========== 服务保障 ========== */
.feature-card{border-radius:var(--radius);background:rgba(255,255,255,.9);box-shadow:0 4px 18px rgba(15,23,42,.05);transition:var(--transition)}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(99,102,241,.14)}
.f-ic{width:46px;height:46px;border-radius:14px}

/* ========== 分类 ========== */
.cat-chip{background:rgba(255,255,255,.92);border-color:var(--border);border-radius:24px}
.cat-chip.active{background:var(--grad-brand);box-shadow:0 6px 18px rgba(99,102,241,.34)}

/* ========== 商品卡片 v5 ========== */
.product-card{border-radius:var(--radius);border:1px solid rgba(226,232,240,.9);box-shadow:0 2px 10px rgba(15,23,42,.04)}
.product-card:hover{transform:translateY(-8px);box-shadow:0 20px 44px rgba(79,70,229,.18);border-color:rgba(99,102,241,.35)}
.product-cover{height:186px}
.product-cover .cover-wrap::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);background-size:18px 18px;opacity:.4}
.product-cover .cover-icon{font-size:56px}
.card-shine{position:absolute;inset:0;z-index:3;pointer-events:none;overflow:hidden;border-radius:inherit}
.card-shine::before{content:'';position:absolute;top:-60%;left:-80%;width:50%;height:240%;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.55) 50%,transparent 70%);transform:rotate(12deg);transition:left .6s cubic-bezier(.4,0,.2,1)}
.product-card:hover .card-shine::before{left:130%}
.product-body{padding:18px 18px 16px}
.product-title{font-size:15.5px;font-weight:600}
.product-price .free{background:var(--grad-green);padding:2px 12px;border-radius:12px;color:#fff;font-weight:600}
.product-price b{color:var(--red)}
.product-sales{font-size:12px;color:var(--text3);background:#f5f6fa;padding:3px 10px;border-radius:12px}

/* ========== 区块标题 ========== */
.section-title{font-size:21px;letter-spacing:-.3px}
.section-title::before{width:5px;height:22px;background:var(--grad-brand);box-shadow:0 0 10px rgba(139,92,246,.4)}

/* ========== 列表筛选 ========== */
.filter-bar{background:rgba(255,255,255,.92);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 4px 18px rgba(15,23,42,.04)}

/* ========== 商品详情 v5 ========== */
.detail-wrap{display:grid;grid-template-columns:1fr 340px;gap:28px;align-items:start}
.detail-main{background:rgba(255,255,255,.96);border:1px solid var(--border);border-radius:20px;padding:32px;box-shadow:0 6px 24px rgba(15,23,42,.06)}
.detail-cover{height:220px;border-radius:16px}
.detail-title{font-size:28px;letter-spacing:-.5px}
.detail-meta span{background:#f5f6fa;padding:4px 12px;border-radius:14px;font-size:12.5px;color:var(--text2)}
.detail-content h3{font-size:18px;margin:26px 0 14px;display:flex;align-items:center;gap:8px}
.detail-content h3::before{content:'';width:4px;height:18px;border-radius:2px;background:var(--grad-brand)}
.detail-content{line-height:1.85;color:#374151}
.detail-content img{border-radius:10px;margin:8px 0}
.detail-content table{border-collapse:collapse;width:100%}
.detail-content table td,.detail-content table th{border:1px solid var(--border);padding:8px 12px}
.detail-side{position:sticky;top:84px}
.side-price{font-size:34px;font-weight:800;color:var(--red)}
.side-box{background:rgba(255,255,255,.96);border:1px solid var(--border);border-radius:16px;padding:6px 18px;margin-bottom:14px;box-shadow:0 6px 24px rgba(15,23,42,.06)}
.side-box .row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--border);font-size:13.5px}
.side-box .row:last-child{border-bottom:none}
.side-box .row span:first-child{color:var(--text3)}
.buy-btn{width:100%;height:48px;font-size:16px;font-weight:600;border-radius:14px;letter-spacing:2px}
.guarantee-strip{display:flex;gap:10px;justify-content:center;margin:14px 0 18px;flex-wrap:wrap}
.guarantee-strip span{font-size:12px;color:var(--text2);background:#f0fdf4;border:1px solid rgba(16,185,129,.2);color:#047857;padding:6px 12px;border-radius:20px;display:inline-flex;align-items:center;gap:4px}

/* ========== 空状态 / 加载 ========== */
.empty-box{text-align:center;padding:80px 0;color:var(--text3)}
.empty-box i{font-size:64px;display:block;margin-bottom:16px;opacity:.5}
.empty-box p{font-size:15px}

/* ========== 订单 / 游客查单 / 已购 ========== */
.guest-lookup,.uc-main{background:rgba(255,255,255,.96);border:1px solid var(--border);border-radius:20px;padding:32px;box-shadow:0 6px 24px rgba(15,23,42,.06)}
.dl-card{background:rgba(255,255,255,.98)!important;border:1px solid var(--border);border-radius:14px;padding:18px;margin-bottom:12px;box-shadow:0 3px 12px rgba(15,23,42,.04);transition:var(--transition)}
.dl-card:hover{box-shadow:0 8px 24px rgba(99,102,241,.1)}
.dl-title{font-weight:600;font-size:14.5px;display:flex;align-items:center;gap:8px;margin-bottom:10px}
.dl-secret{background:#faf5ff;border:1px dashed #c4b5fd;border-radius:10px;padding:12px 14px;font-family:Consolas,Menlo,monospace;font-size:13px;color:#6d28d9;word-break:break-all;white-space:pre-wrap}
.dl-info{font-size:13.5px;color:var(--text2);margin:6px 0;word-break:break-all}
.uc-side{background:rgba(255,255,255,.96);border:1px solid var(--border);border-radius:20px;padding:24px 14px;box-shadow:0 6px 24px rgba(15,23,42,.06)}
.uc-user{background:var(--grad-brand);border-radius:14px;padding:20px 14px;color:#fff;text-align:center;margin-bottom:14px}
.uc-user .uname{color:#fff}
.uc-user .ubalance{color:rgba(255,255,255,.9)}
.uc-menu a{border-radius:12px;margin:3px 8px;padding:11px 16px;color:var(--text2)}
.uc-menu a.active{background:linear-gradient(135deg,#eef2ff,#f5f3ff);color:var(--brand);font-weight:600}
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.stat-card{background:rgba(255,255,255,.96);border:1px solid var(--border);border-radius:16px;padding:18px;text-align:center;box-shadow:0 4px 16px rgba(15,23,42,.05);transition:var(--transition)}
.stat-card:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(99,102,241,.14)}

/* ========== 支付弹窗 ========== */
.pay-dialog .el-dialog{border-radius:20px;box-shadow:0 24px 60px rgba(15,23,42,.22)}
.pay-dialog .el-dialog__header{background:linear-gradient(135deg,#f8f9fc,#fff)}
.pay-amount{font-size:38px}
.pay-way{border-radius:16px;background:#fff}
.pay-way:hover,.pay-way.active{background:linear-gradient(135deg,#eef2ff,#f5f3ff)}
.pay-way.usdt i{color:#26a17b}
.pay-way.alipay i{color:#1677ff}
.pay-way.wechat i{color:#07c160}
.pay-way.balance i{color:#f59e0b}
.qr-box{text-align:center;padding:24px;background:linear-gradient(160deg,#f8f9fc,#f5f3ff);border-radius:16px}
.qr{width:200px;height:200px;margin:0 auto 14px;background:#fff;border:1px solid var(--border);border-radius:14px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(15,23,42,.08);position:relative}
.qr::after{content:'';position:absolute;inset:8px;border-radius:10px;border:1px dashed rgba(99,102,241,.35);pointer-events:none}
.qr i{opacity:.55}

/* ========== USDT 结算页 ========== */
.checkout-card{border-radius:20px;box-shadow:0 14px 44px rgba(15,23,42,.14);overflow:hidden;border:1px solid var(--border)}
.checkout-card .el-icon-info{color:var(--brand)}

/* ========== 登录/注册弹窗 ========== */
.auth-dialog .el-dialog{border-radius:20px}
.auth-dialog .el-tabs__item.is-active{color:var(--brand)}
.auth-dialog .el-tabs__active-bar{background:var(--grad-brand)}

/* ========== 后台 v5 ========== */
.adm-side{background:linear-gradient(180deg,#312e81 0%,#4338ca 40%,#6d28d9 100%)}
.adm-menu a{color:rgba(255,255,255,.72)}
.adm-menu a:hover{background:rgba(255,255,255,.12);color:#fff}
.adm-menu a.active{background:rgba(255,255,255,.16);color:#fff;box-shadow:inset 3px 0 0 #a5b4fc}
.kpi{border-radius:18px;overflow:hidden}
.adm-panel{border-radius:16px;border:1px solid var(--border);box-shadow:0 4px 18px rgba(15,23,42,.05)}
.adm-panel-head h3{font-size:15px}
.adm-welcome{background:linear-gradient(120deg,#4f46e5,#8b5cf6);border-radius:20px}
.el-table th{font-weight:600}
.el-table{color:#374151}

/* ========== 移动端适配 ========== */
@media(max-width:900px){
  .product-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .detail-wrap{grid-template-columns:1fr}
  .detail-side{position:static}
  .home-banner{padding:44px 24px 40px}
  .home-banner h1{font-size:32px}
  .home-banner .stats{gap:24px}
  .hero-carousel{display:none}
  .banner-grid{grid-template-columns:1fr!important}
  .stat-cards{grid-template-columns:repeat(2,1fr)}
  .adm-kpis{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .product-grid{grid-template-columns:1fr 1fr;gap:10px}
  .product-cover{height:150px}
  .product-body{padding:12px}
  .product-title{font-size:13.5px}
  .home-banner h1{font-size:26px}
  .nav{display:none}
  .search-box{max-width:none}
  .site-footer .col{min-width:100%}
}