/* ============================================================
   云栈 IDC - 前台样式
   ============================================================ */
:root{
  --yz-primary:#1a73e8;
  --yz-primary-dark:#1558b0;
  --yz-accent:#00c8a0;
  --yz-dark:#0d1b2a;
  --yz-dark-2:#132437;
  --yz-text:#1f2937;
  --yz-muted:#6b7280;
  --yz-border:#e6eaf0;
  --yz-bg:#f6f8fc;
  --yz-radius:14px;
  --yz-shadow:0 4px 24px rgba(16,42,80,.07);
  --yz-shadow-lg:0 12px 40px rgba(16,42,80,.12);
}
*{box-sizing:border-box}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--yz-text);background:#fff;margin:0;line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
a:hover{text-decoration:none;color:var(--yz-primary)}
h1,h2,h3,h4,h5{font-weight:700;color:var(--yz-text)}

/* ---------- Header ---------- */
.yz-header{
  position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--yz-border);
}
.yz-header-inner{display:flex;align-items:center;height:68px;gap:28px}
.yz-logo{display:flex;align-items:center;gap:9px;font-size:20px;font-weight:800;color:var(--yz-text);white-space:nowrap}
.yz-logo i{font-size:28px;color:var(--yz-primary)}
.yz-nav{display:flex;gap:4px;flex:1}
.yz-nav-link{padding:8px 15px;border-radius:9px;font-size:15px;font-weight:500;color:#42526e;transition:.18s}
.yz-nav-link:hover{background:#f0f4fb;color:var(--yz-primary)}
.yz-nav-link.active{background:linear-gradient(135deg,#1a73e8,#2f8ff5);color:#fff;box-shadow:0 4px 14px rgba(26,115,232,.3)}
.yz-actions{display:flex;align-items:center;gap:10px}
.yz-btn-ghost{padding:8px 16px;border-radius:9px;font-size:14px;font-weight:600;color:#42526e;border:1px solid transparent;transition:.18s;display:inline-flex;align-items:center;gap:6px}
.yz-btn-ghost:hover{background:#f0f4fb;color:var(--yz-primary)}
.yz-balance{background:#e8f5e9;color:#1b8a4c;padding:1px 8px;border-radius:20px;font-size:12px;font-weight:700;margin-left:4px}
.yz-btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  background:linear-gradient(135deg,#1a73e8,#2f8ff5);color:#fff;border:none;
  padding:9px 20px;border-radius:9px;font-size:14px;font-weight:600;cursor:pointer;
  transition:.2s;box-shadow:0 4px 14px rgba(26,115,232,.28);
}
.yz-btn-primary:hover{transform:translateY(-1px);box-shadow:0 7px 20px rgba(26,115,232,.38);color:#fff}
.yz-btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  background:#fff;color:var(--yz-primary);border:1.5px solid #d3e0f5;
  padding:9px 20px;border-radius:9px;font-size:14px;font-weight:600;cursor:pointer;transition:.2s;
}
.yz-btn-outline:hover{border-color:var(--yz-primary);background:#f5f9ff;color:var(--yz-primary)}
.yz-btn-lg{padding:13px 30px;font-size:16px;border-radius:11px}
.yz-btn-sm{padding:7px 15px;font-size:13px;border-radius:8px}
.yz-btn-block{width:100%;display:flex}
.yz-btn-danger{background:linear-gradient(135deg,#e8453c,#f5655c);box-shadow:0 4px 14px rgba(232,69,60,.3)}
.yz-btn-success{background:linear-gradient(135deg,#12b76a,#2ed38a);box-shadow:0 4px 14px rgba(18,183,106,.3)}
.yz-menu-toggle{display:none;background:none;border:none;font-size:26px;color:var(--yz-text);cursor:pointer}
.yz-nav-mobile{display:none;flex-direction:column;padding:8px 0 16px;border-top:1px solid var(--yz-border)}
.yz-nav-mobile a{padding:11px 4px;font-size:15px;font-weight:500;color:#42526e;border-bottom:1px solid #f2f5fa}
.yz-nav-mobile.show{display:flex}

/* ---------- 公告 ---------- */
.yz-notice{background:linear-gradient(90deg,#e8f1ff,#f0f9ff);border-bottom:1px solid #dbe8fa;font-size:14px;color:#1a5fb4}
.yz-notice .container{padding-top:9px;padding-bottom:9px;display:flex;align-items:center;gap:8px}

/* ---------- Hero ---------- */
.yz-hero{
  padding:78px 0 66px;background:
    radial-gradient(1000px 460px at 78% -8%,#dbeafe 0%,transparent 62%),
    radial-gradient(760px 420px at 4% 104%,#d5f5ec 0%,transparent 58%),
    linear-gradient(180deg,#fbfcff,#f4f8ff);
}
.yz-hero-badge{
  display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid #dbe8fa;
  color:var(--yz-primary);padding:7px 15px;border-radius:30px;font-size:13.5px;font-weight:600;
  box-shadow:var(--yz-shadow);margin-bottom:22px;
}
.yz-hero-title{font-size:clamp(30px,4.6vw,50px);line-height:1.22;margin:0 0 20px;letter-spacing:-.5px}
.yz-grad{background:linear-gradient(120deg,#1a73e8,#00c8a0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.yz-hero-desc{font-size:16.5px;color:#54657e;margin:0 0 30px;max-width:520px}
.yz-hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.yz-hero-stats{display:flex;gap:38px;flex-wrap:wrap}
.yz-hero-stats strong{display:block;font-size:26px;color:var(--yz-text);font-weight:800;letter-spacing:-.5px}
.yz-hero-stats span{font-size:13px;color:var(--yz-muted)}
.yz-hero-card{
  background:#0d1b2a;border-radius:16px;overflow:hidden;box-shadow:0 24px 60px rgba(13,27,42,.28);
  border:1px solid #1e3450;
}
.yz-hero-card-head{display:flex;align-items:center;gap:7px;padding:13px 18px;background:#132437;border-bottom:1px solid #1e3450}
.yz-hero-card-head .dot{width:11px;height:11px;border-radius:50%}
.dot.red{background:#ff5f57}.dot.yellow{background:#febc2e}.dot.green{background:#28c840}
.yz-hero-card-head .title{margin-left:10px;font-size:12.5px;color:#7d95b3;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.yz-hero-code{margin:0;padding:22px 20px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;line-height:2;color:#a9bdd6;overflow-x:auto;white-space:pre}
.yz-hero-code .ok{color:#3ddc97;font-weight:700}
.yz-hero-code .dim{color:#5f7699}

/* ---------- 通用 Section ---------- */
.yz-section{padding:76px 0}
.yz-section-gray{background:var(--yz-bg)}
.yz-section-dark{background:linear-gradient(180deg,#0d1b2a,#132437);color:#fff}
.yz-section-dark h2,.yz-section-dark h4{color:#fff}
.yz-section-head{text-align:center;margin-bottom:48px}
.yz-section-head h2{font-size:33px;margin:0 0 12px;letter-spacing:-.5px}
.yz-section-head p{color:var(--yz-muted);font-size:16px;margin:0}
.yz-section-head.light p{color:#94a9c4}

/* ---------- Features ---------- */
.yz-features{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.yz-feature{background:#fff;border:1px solid var(--yz-border);border-radius:var(--yz-radius);padding:30px 24px;transition:.25s}
.yz-feature:hover{transform:translateY(-4px);box-shadow:var(--yz-shadow-lg);border-color:#d3e0f5}
.yz-feature-icon{
  width:52px;height:52px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e8f1ff,#e3f7f1);color:var(--yz-primary);font-size:26px;margin-bottom:18px;
}
.yz-feature h4{font-size:17px;margin:0 0 9px}
.yz-feature p{font-size:14px;color:var(--yz-muted);margin:0;line-height:1.72}

/* ---------- 产品卡片 ---------- */
.yz-product-card{
  position:relative;background:#fff;border:1px solid var(--yz-border);border-radius:var(--yz-radius);
  padding:26px 24px;height:100%;transition:.25s;display:flex;flex-direction:column;
}
.yz-product-card:hover{transform:translateY(-5px);box-shadow:var(--yz-shadow-lg);border-color:#c9dcf7}
.yz-product-card.featured{border-color:var(--yz-primary);box-shadow:0 8px 32px rgba(26,115,232,.14)}
.yz-ribbon{
  position:absolute;top:14px;right:-2px;background:linear-gradient(135deg,#ff8a3d,#ff6b35);color:#fff;
  font-size:11.5px;font-weight:700;padding:4px 12px;border-radius:6px 0 0 6px;letter-spacing:.5px;
}
.yz-product-type{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--yz-primary);
  background:#eef5ff;padding:4px 11px;border-radius:6px;margin-bottom:13px}
.yz-product-card h3{font-size:19px;margin:0 0 7px}
.yz-product-sub{font-size:13.5px;color:var(--yz-muted);margin:0 0 18px;min-height:22px}
.yz-product-specs{list-style:none;padding:16px 0;margin:0 0 16px;border-top:1px solid #f0f4fa;border-bottom:1px solid #f0f4fa}
.yz-product-specs li{display:flex;justify-content:space-between;font-size:13.5px;padding:4px 0}
.yz-product-specs li span{color:var(--yz-muted)}
.yz-product-specs li b{font-weight:600}
.yz-product-price{display:flex;justify-content:space-between;align-items:flex-end;margin-top:auto;margin-bottom:16px;gap:10px}
.yz-product-price .num{font-size:28px;font-weight:800;color:#e8453c;letter-spacing:-1px}
.yz-product-price .unit{font-size:13px;color:var(--yz-muted);margin-left:2px}
.yz-product-price .tags{display:flex;gap:5px;flex-wrap:wrap;justify-content:flex-end}
.yz-tag{background:#f2f6fc;color:#5a7ba6;font-size:11.5px;padding:2px 9px;border-radius:5px;white-space:nowrap}
.yz-product-actions{display:flex;gap:10px}
.yz-product-actions a{flex:1}

/* ---------- 分类面板 ---------- */
.yz-cat-panel{background:#fff;border:1px solid var(--yz-border);border-radius:var(--yz-radius);padding:30px;height:100%;box-shadow:var(--yz-shadow)}
.yz-cat-head{display:flex;gap:16px;align-items:center;margin-bottom:22px}
.yz-cat-head i{font-size:40px;color:var(--yz-primary)}
.yz-cat-head h3{font-size:21px;margin:0 0 3px}
.yz-cat-head p{font-size:13.5px;color:var(--yz-muted);margin:0}
.yz-cat-list{list-style:none;padding:0;margin:0 0 24px}
.yz-cat-list li{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px dashed #eaeff7;font-size:14.5px}
.yz-cat-list li:last-child{border-bottom:none}
.yz-cat-price{color:#e8453c;font-weight:700}

/* ---------- Why ---------- */
.yz-why-item{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.09);border-radius:var(--yz-radius);padding:28px 24px;height:100%}
.yz-why-num{font-size:34px;font-weight:800;color:rgba(255,255,255,.14);letter-spacing:-2px;margin-bottom:8px;font-family:ui-monospace,monospace}
.yz-why-item h4{font-size:16.5px;margin:0 0 9px}
.yz-why-item p{font-size:13.5px;color:#93a8c2;margin:0;line-height:1.75}

/* ---------- CTA ---------- */
.yz-cta{padding:74px 0;background:linear-gradient(135deg,#1a73e8,#2f8ff5 55%,#00c8a0);color:#fff;text-align:center}
.yz-cta h2{color:#fff;font-size:33px;margin:0 0 12px}
.yz-cta p{color:rgba(255,255,255,.88);font-size:16px;margin:0 0 28px}
.yz-cta .yz-btn-primary{background:#fff;color:#1a73e8;box-shadow:0 8px 26px rgba(0,0,0,.16)}
.yz-cta .yz-btn-primary:hover{background:#f5f9ff}

/* ---------- Footer ---------- */
.yz-footer{background:#0d1b2a;color:#8fa4be;padding:60px 0 26px;font-size:14px}
.yz-footer-logo{color:#fff;font-size:19px;font-weight:800;display:flex;align-items:center;gap:9px;margin-bottom:14px}
.yz-footer-logo i{font-size:26px;color:#4a9eff}
.yz-footer-desc{color:#7e93ad;line-height:1.75;margin-bottom:18px;font-size:13.5px}
.yz-footer-contact div{display:flex;align-items:center;gap:8px;margin-bottom:7px;color:#8fa4be;font-size:13.5px}
.yz-footer-contact i{color:#4a9eff;font-size:16px}
.yz-footer h5{color:#fff;font-size:15px;margin:0 0 17px;font-weight:600}
.yz-footer a{display:block;color:#8fa4be;margin-bottom:11px;font-size:13.5px;transition:.18s}
.yz-footer a:hover{color:#4a9eff}
.yz-footer-badges{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.yz-footer-badges span{display:flex;align-items:center;gap:7px;background:rgba(255,255,255,.05);padding:10px 13px;border-radius:9px;font-size:13px;color:#a8bcd4}
.yz-footer-badges i{color:#3ddc97;font-size:16px}
.yz-footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:34px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#6d829c}
.yz-footer-bottom a{display:inline;color:#6d829c;margin:0}

.yz-totop{
  position:fixed;right:26px;bottom:32px;width:44px;height:44px;border-radius:12px;
  background:var(--yz-primary);color:#fff;display:none;align-items:center;justify-content:center;
  font-size:24px;box-shadow:0 8px 24px rgba(26,115,232,.35);z-index:900;
}
.yz-totop.show{display:flex}

/* ---------- 表单/卡片通用 ---------- */
.yz-card{background:#fff;border:1px solid var(--yz-border);border-radius:var(--yz-radius);box-shadow:var(--yz-shadow);margin-bottom:22px}
.yz-card-head{padding:18px 24px;border-bottom:1px solid var(--yz-border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.yz-card-head h3{margin:0;font-size:17px;display:flex;align-items:center;gap:9px}
.yz-card-head h3 i{color:var(--yz-primary);font-size:20px}
.yz-card-body{padding:24px}
.yz-empty{text-align:center;padding:56px 20px;color:var(--yz-muted)}
.yz-empty i{font-size:52px;color:#cbd6e6;display:block;margin-bottom:14px}

.yz-form-group{margin-bottom:18px}
.yz-form-group label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:#374151}
.yz-form-control{
  width:100%;padding:11px 14px;border:1.5px solid #dde4ee;border-radius:10px;font-size:14.5px;
  transition:.18s;background:#fff;color:var(--yz-text);
}
.yz-form-control:focus{outline:none;border-color:var(--yz-primary);box-shadow:0 0 0 3px rgba(26,115,232,.1)}
select.yz-form-control{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%236b7280' d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;background-size:14px;padding-right:36px}
.yz-help{font-size:12.5px;color:var(--yz-muted);margin-top:6px}

/* ---------- 表格 ---------- */
.yz-table{width:100%;font-size:14px;border-collapse:separate;border-spacing:0}
.yz-table th{background:#f7f9fd;color:#5a6b82;font-weight:600;font-size:13px;padding:12px 14px;text-align:left;border-bottom:1px solid var(--yz-border);white-space:nowrap}
.yz-table td{padding:14px;border-bottom:1px solid #f2f5fa;vertical-align:middle}
.yz-table tbody tr:hover{background:#fafcff}
.yz-table .num{font-family:ui-monospace,Menlo,monospace}

/* ---------- 徽章 ---------- */
.yz-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 11px;border-radius:20px;font-size:12.5px;font-weight:600}
.badge-success{background:#e7f8ef;color:#12805c}
.badge-warning{background:#fff5e5;color:#b26a00}
.badge-danger{background:#fdeceb;color:#c0392b}
.badge-info{background:#e8f1ff;color:#1a5fb4}
.badge-secondary{background:#eef1f6;color:#5a6b82}
.badge-dark{background:#e4e8ee;color:#3d4b5c}

/* ---------- 登录/注册 ---------- */
.yz-auth-wrap{min-height:calc(100vh - 69px);display:flex;align-items:center;justify-content:center;padding:48px 16px;
  background:radial-gradient(800px 420px at 82% 6%,#dbeafe 0%,transparent 60%),radial-gradient(700px 400px at 6% 96%,#d5f5ec 0%,transparent 55%),#f7f9fd}
.yz-auth-card{width:100%;max-width:430px;background:#fff;border-radius:18px;padding:40px 38px;box-shadow:0 20px 56px rgba(16,42,80,.13);border:1px solid #eef2f8}
.yz-auth-logo{text-align:center;margin-bottom:26px}
.yz-auth-logo i{font-size:44px;color:var(--yz-primary)}
.yz-auth-logo h2{margin:8px 0 5px;font-size:23px}
.yz-auth-logo p{color:var(--yz-muted);font-size:13.5px;margin:0}
.yz-auth-link{text-align:center;margin-top:22px;font-size:14px;color:var(--yz-muted)}
.yz-auth-link a{color:var(--yz-primary);font-weight:600}

/* ---------- 用户中心 ---------- */
.yz-user-layout{display:grid;grid-template-columns:232px 1fr;gap:24px;padding:32px 0 64px;min-height:calc(100vh - 69px)}
.yz-side{background:#fff;border:1px solid var(--yz-border);border-radius:var(--yz-radius);padding:22px 16px;height:fit-content;box-shadow:var(--yz-shadow)}
.yz-side-user{text-align:center;padding-bottom:20px;border-bottom:1px solid var(--yz-border);margin-bottom:16px}
.yz-side-avatar{width:62px;height:62px;border-radius:50%;background:linear-gradient(135deg,#1a73e8,#00c8a0);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;margin:0 auto 11px}
.yz-side-user h4{margin:0 0 4px;font-size:16px}
.yz-side-user .bal{color:#e8453c;font-weight:700;font-size:15px}
.yz-side-menu a{display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:9px;font-size:14.5px;color:#4a5b70;font-weight:500;transition:.18s;margin-bottom:3px}
.yz-side-menu a:hover{background:#f2f7ff;color:var(--yz-primary)}
.yz-side-menu a.active{background:linear-gradient(135deg,#1a73e8,#2f8ff5);color:#fff;box-shadow:0 4px 14px rgba(26,115,232,.25)}
.yz-side-menu a i{font-size:19px}

.yz-stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.yz-stat{background:#fff;border:1px solid var(--yz-border);border-radius:var(--yz-radius);padding:20px;box-shadow:var(--yz-shadow)}
.yz-stat .label{font-size:13px;color:var(--yz-muted);display:flex;align-items:center;gap:6px;margin-bottom:9px}
.yz-stat .value{font-size:26px;font-weight:800;letter-spacing:-.5px}
.yz-stat .value.small{font-size:20px}
.yz-stat .value.blue{color:var(--yz-primary)}.yz-stat .value.red{color:#e8453c}
.yz-stat .value.green{color:#12b76a}.yz-stat .value.orange{color:#f79009}

/* ---------- 产品列表页 ---------- */
.yz-page-hero{background:linear-gradient(135deg,#0d1b2a,#17334f);color:#fff;padding:54px 0;margin-bottom:0}
.yz-page-hero h1{color:#fff;font-size:32px;margin:0 0 10px;letter-spacing:-.5px}
.yz-page-hero p{color:#9db3cd;margin:0;font-size:15.5px}
.yz-filter-bar{background:#fff;border:1px solid var(--yz-border);border-radius:var(--yz-radius);padding:16px 22px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:26px;box-shadow:var(--yz-shadow)}
.yz-filter-bar .chip{padding:7px 16px;border-radius:20px;font-size:14px;font-weight:500;background:#f2f6fc;color:#5a7ba6;cursor:pointer;transition:.18s}
.yz-filter-bar .chip:hover{background:#e8f1ff;color:var(--yz-primary)}
.yz-filter-bar .chip.active{background:var(--yz-primary);color:#fff}

/* 详情页 */
.yz-detail-grid{display:grid;grid-template-columns:1fr 380px;gap:26px;padding:32px 0 64px;align-items:start}
.yz-detail-spec{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:20px 0}
.yz-detail-spec .item{background:#f7f9fd;border-radius:11px;padding:15px;text-align:center}
.yz-detail-spec .item span{display:block;font-size:12.5px;color:var(--yz-muted);margin-bottom:5px}
.yz-detail-spec .item b{font-size:16px}
.yz-sidebar-sticky{position:sticky;top:88px}
.yz-price-panel{background:#fff;border:1px solid var(--yz-border);border-radius:var(--yz-radius);padding:26px;box-shadow:var(--yz-shadow-lg)}
.yz-price-panel .price{font-size:36px;font-weight:800;color:#e8453c;letter-spacing:-1.5px}
.yz-price-panel .price small{font-size:15px;color:var(--yz-muted);font-weight:500}
.yz-cycle-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:18px 0}
.yz-cycle-tabs .tab{border:1.5px solid #dde4ee;border-radius:10px;padding:11px 6px;text-align:center;cursor:pointer;transition:.18s;font-size:13.5px;font-weight:600;color:#4a5b70;background:#fff}
.yz-cycle-tabs .tab:hover{border-color:#b8d3f7}
.yz-cycle-tabs .tab.active{border-color:var(--yz-primary);background:#f2f7ff;color:var(--yz-primary);box-shadow:0 0 0 3px rgba(26,115,232,.09)}
.yz-cycle-tabs .tab small{display:block;font-size:11.5px;color:#e8453c;font-weight:700;margin-top:2px}

/* 结算 */
.yz-steps{display:flex;justify-content:center;gap:0;margin:0 0 34px;padding:28px 0 8px}
.yz-step{display:flex;align-items:center;gap:10px;color:#9aa8bb;font-size:14.5px;font-weight:600}
.yz-step .n{width:30px;height:30px;border-radius:50%;background:#eef1f6;color:#8797ab;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.yz-step.active{color:var(--yz-primary)}.yz-step.active .n{background:var(--yz-primary);color:#fff}
.yz-step.done{color:#12b76a}.yz-step.done .n{background:#12b76a;color:#fff}
.yz-step-line{width:56px;height:2px;background:#e6eaf0;margin:0 16px}

/* ---------- 弹窗 ---------- */
.yz-modal-mask{position:fixed;inset:0;background:rgba(13,27,42,.5);display:none;align-items:center;justify-content:center;z-index:2000;padding:20px;backdrop-filter:blur(3px)}
.yz-modal-mask.show{display:flex}
.yz-modal{background:#fff;border-radius:16px;max-width:520px;width:100%;max-height:88vh;overflow:auto;box-shadow:0 24px 70px rgba(0,0,0,.3)}
.yz-modal-head{padding:20px 24px;border-bottom:1px solid var(--yz-border);display:flex;justify-content:space-between;align-items:center}
.yz-modal-head h3{margin:0;font-size:17px}
.yz-modal-head .x{background:none;border:none;font-size:26px;color:#9aa8bb;cursor:pointer;line-height:1}
.yz-modal-body{padding:24px}
.yz-modal-foot{padding:16px 24px;border-top:1px solid var(--yz-border);display:flex;justify-content:flex-end;gap:10px}

/* ---------- 提示 ---------- */
.yz-alert{padding:13px 17px;border-radius:11px;font-size:14px;margin-bottom:18px;display:flex;align-items:flex-start;gap:9px;line-height:1.6}
.yz-alert i{font-size:19px;flex-shrink:0;margin-top:1px}
.yz-alert-success{background:#e7f8ef;color:#0f6b4c;border:1px solid #c3ecd9}
.yz-alert-error{background:#fdeceb;color:#b0342a;border:1px solid #f8d3d0}
.yz-alert-info{background:#e8f1ff;color:#1a5fb4;border:1px solid #cfe2fb}
.yz-alert-warning{background:#fff8e6;color:#9a6100;border:1px solid #fbe6b3}

/* ---------- 响应式 ---------- */
@media(max-width:1100px){
  .yz-features{grid-template-columns:repeat(2,1fr)}
  .yz-detail-grid{grid-template-columns:1fr}
  .yz-sidebar-sticky{position:static}
  .yz-stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
  .yz-nav{display:none}
  .yz-menu-toggle{display:block;margin-left:auto}
  .yz-header-inner{gap:12px}
  .yz-user-layout{grid-template-columns:1fr}
  .yz-detail-spec{grid-template-columns:repeat(2,1fr)}
  .yz-footer-badges{grid-template-columns:1fr}
}
@media(max-width:560px){
  .yz-features{grid-template-columns:1fr}
  .yz-hero{padding:52px 0 44px}
  .yz-section{padding:52px 0}
  .yz-stat-grid{grid-template-columns:1fr}
  .yz-hero-stats{gap:24px}
  .yz-steps{transform:scale(.88)}
  .yz-step-line{width:28px;margin:0 8px}
  .yz-auth-card{padding:30px 24px}
  .yz-hero-btns a{width:100%}
  .yz-actions .yz-btn-ghost,.yz-actions .yz-btn-primary{padding:7px 12px;font-size:13px}
  .yz-actions .yz-balance{display:none}
}