/* ============================================================
   蜘蛛池出租系统 - 全站样式
   字体：数字用 Impact 风格，正文 Segoe UI / Microsoft YaHei
   布局：最大宽度 1600px，响应式适配手机 / 平板 / 桌面
   ============================================================ */

/* ===== SEO 正文区块（优势 / 流程 / 标签 / FAQ / 关于） ===== */
.foot-title { font-size:15px; font-weight:700; margin-bottom:12px; }
.err-page { display:flex; justify-content:center; padding:70px 16px; }
.err-card { text-align:center; max-width:520px; }
.err-code { font-size:96px; font-weight:800; line-height:1; background:linear-gradient(135deg,var(--primary),var(--primary-2)); -webkit-background-clip:text; background-clip:text; color:transparent; margin-bottom:12px; }
.err-card h1 { font-size:22px; margin-bottom:12px; }
.err-card .btn { margin:0 4px; }
.breadcrumb { display:flex; align-items:center; gap:8px; padding:14px 0 0; font-size:13px; color:var(--muted); }
.breadcrumb a { color:var(--primary); text-decoration:none; }
.breadcrumb a:hover { text-decoration:underline; }
.breadcrumb span { color:#cbd5e1; }
.breadcrumb b { font-weight:600; color:var(--text); }

.seo-section { padding-top:34px; }
.adv-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:18px; }
.adv-card {
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:18px; box-shadow:var(--shadow); transition:transform .2s, box-shadow .2s;
}
.adv-card:hover { transform:translateY(-3px); box-shadow:var(--shadow-lg); }
.adv-card h3 { font-size:16px; display:flex; align-items:center; gap:8px; margin-bottom:8px; }
.adv-card p { color:var(--muted); font-size:14px; line-height:1.7; }
.adv-card code { background:#f1f5f9; padding:1px 5px; border-radius:4px; font-size:12px; color:#b45309; }

.steps { counter-reset:step; list-style:none; margin-top:18px; display:grid; grid-template-columns:repeat(5,1fr); gap:14px; }
.steps li {
  position:relative; background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:44px 16px 16px; box-shadow:var(--shadow);
}
.steps li::before {
  counter-increment:step; content:counter(step);
  position:absolute; top:12px; left:12px; width:30px; height:30px; border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-2)); color:#fff;
  display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px;
}
.steps b { display:block; font-size:15px; margin-bottom:6px; }
.steps span { color:var(--muted); font-size:13px; line-height:1.6; }

.seo-table { margin-top:8px; }
.seo-table td, .seo-table th { padding:10px 12px; }

.faq-list { margin-top:18px; display:grid; gap:10px; }
.faq-item {
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:4px 16px; box-shadow:var(--shadow);
}
.faq-item summary { cursor:pointer; padding:12px 0; font-weight:600; font-size:15px; list-style:none; display:flex; align-items:center; gap:8px; }
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary::after { content:"＋"; color:var(--muted); margin-left:auto; font-weight:700; }
.faq-item[open] summary::after { content:"－"; color:var(--primary); }
.faq-item p { color:var(--muted); font-size:14px; line-height:1.8; padding:0 0 14px; }

.about-box {
  background:linear-gradient(135deg,rgba(79,70,229,.06),rgba(124,58,237,.06));
  border:1px solid var(--border); border-radius:var(--radius); padding:24px; margin-top:4px;
}
.about-box h2 { font-size:20px; margin-bottom:10px; }
.about-box p { color:var(--text); font-size:14px; line-height:1.9; }

@media (max-width: 900px) {
  .adv-grid { grid-template-columns:repeat(2,1fr); }
  .steps { grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 560px) {
  .adv-grid, .steps { grid-template-columns:1fr; }
}

:root {
  --primary: #4f46e5;
  --primary-2: #7c3aed;
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --num-font: Impact, 'Arial Black', 'Segoe UI', sans-serif;
  --body-font: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  --radius: 14px;
  --shadow: 0 4px 20px rgba(30, 41, 59, .08);
  --shadow-lg: 0 12px 40px rgba(30, 41, 59, .16);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--body-font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* 数字统一使用 Impact 风格字体 */
.num {
  font-family: var(--num-font);
  font-weight: 400;
  letter-spacing: .5px;
  font-variant-numeric: tabular-nums;
}

.container { max-width: 1600px; margin: 0 auto; padding: 0 28px; }
.muted { color: var(--muted); font-size: .92em; }
.mono { font-family: Consolas, Monaco, monospace; font-size: .92em; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.3; }

/* ================= 顶部导航 ================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { font-size: 22px; font-weight: 800; color: var(--text); text-decoration: none !important; }
.logo span {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  padding: 8px 16px; border-radius: 10px; color: var(--text);
  font-weight: 500; text-decoration: none !important;
  transition: background .2s;
}
.main-nav a:hover { background: #eef2ff; }
.main-nav a.nav-register { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; }
.main-nav a.nav-register:hover { opacity: .92; }
.balance-badge {
  background: #ecfdf5 !important; color: #047857 !important;
  border: 1px solid #a7f3d0; border-radius: 999px !important;
}
.nav-toggle {
  display: none; background: none; border: 0; font-size: 26px;
  cursor: pointer; color: var(--text); padding: 4px 10px; border-radius: 8px;
}
.nav-toggle:hover { background: #eef2ff; }

/* 维护公告条 */
.maintenance-bar {
  background: linear-gradient(90deg, #fffbeb, #fef3c7);
  border-bottom: 1px solid #fde68a;
  color: #92400e; padding: 10px 0; font-size: 14px;
}

/* ================= Hero ================= */
.hero {
  background:
    radial-gradient(900px 400px at 90% -10%, rgba(124, 58, 237, .35), transparent 60%),
    radial-gradient(700px 500px at -10% 110%, rgba(79, 70, 229, .3), transparent 60%),
    #0f172a;
  color: #e2e8f0;
  padding: 64px 0 72px;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(30px, 4vw, 52px); font-weight: 800; color: #fff; }
.grad-text {
  background: linear-gradient(135deg, #a5b4fc, #c4b5fd, #67e8f9);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { margin: 18px 0 20px; color: #94a3b8; max-width: 620px; }
.hero-notice {
  background: rgba(129, 140, 248, .12); border: 1px solid rgba(129, 140, 248, .35);
  border-radius: 12px; padding: 12px 18px; color: #c7d2fe; margin-bottom: 22px;
  overflow-wrap: anywhere;
}
.hero-stats { display: flex; gap: 36px; margin-bottom: 28px; flex-wrap: wrap; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats b { font-family: var(--num-font); font-size: 30px; color: #fff; letter-spacing: 1px; }
.hero-stats span { color: #94a3b8; font-size: 13px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ================= 轮播图 ================= */
.carousel {
  position: relative; border-radius: 18px; overflow: hidden;
  aspect-ratio: 16 / 9; min-height: 240px; box-shadow: var(--shadow-lg);
  background: #1e293b;
}
.carousel-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .6s; }
.carousel-slide.active { opacity: 1; }
.carousel-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.slide-grad { width: 100%; height: 100%; }
.slide-grad.g1 { background: linear-gradient(135deg, #4f46e5, #7c3aed); }
.slide-grad.g2 { background: linear-gradient(135deg, #0ea5e9, #6366f1); }
.slide-grad.g3 { background: linear-gradient(135deg, #059669, #0ea5e9); }
.slide-grad.g4 { background: linear-gradient(135deg, #b45309, #db2777); }
.slide-grad.g5 { background: linear-gradient(135deg, #312e81, #0f766e); }
.slide-cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 40px 26px 20px; color: #fff; font-size: 20px; font-weight: 700;
  background: linear-gradient(transparent, rgba(15, 23, 42, .75));
}
.slide-link { position: absolute; inset: 0; }
.car-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 42px; height: 42px; border: 0; border-radius: 50%;
  background: rgba(15, 23, 42, .45); color: #fff; font-size: 26px;
  cursor: pointer; z-index: 5; line-height: 1;
}
.car-arrow:hover { background: rgba(15, 23, 42, .7); }
.car-prev { left: 14px; } .car-next { right: 14px; }
.car-dots { position: absolute; left: 0; right: 0; bottom: 12px; text-align: center; z-index: 5; }
.car-dots span {
  display: inline-block; width: 10px; height: 10px; margin: 0 4px;
  border-radius: 50%; background: rgba(255, 255, 255, .45); cursor: pointer;
  transition: background .3s, transform .3s;
}
.car-dots span.active { background: #fff; transform: scale(1.2); }

/* ================= 区块标题 ================= */
.section-head { margin: 48px 0 24px; }
.section-head h2 { font-size: 28px; font-weight: 800; }

/* ================= 蜘蛛池产品卡片 ================= */
.pool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 24px; }
.pool-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px; display: flex; flex-direction: column; gap: 12px;
  transition: transform .25s, box-shadow .25s; border: 1px solid transparent;
}
.pool-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: #e0e7ff; }
.pool-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.cat-tag {
  background: #eef2ff; color: var(--primary); font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 999px;
}
.pool-card h3 { font-size: 19px; }
.pool-desc { color: var(--muted); font-size: 13.5px; min-height: 44px; overflow-wrap: anywhere; }
/* 隐藏统计数据时：描述区不再保留对齐用的最小高度，卡片自动收拢；价格/按钮由 margin-top:auto 继续贴底对齐 */
.pool-desc-full { min-height: 0; }
.pool-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 8px;
  background: #f8fafc; border-radius: 10px; padding: 12px;
}
.pool-stats div { display: flex; flex-direction: column; align-items: center; text-align: center; }
.pool-stats span { font-size: 11.5px; color: var(--muted); }
.pool-stats b { font-family: var(--num-font); font-size: 17px; color: #334155; }
.pool-stats i { font-style: normal; font-size: 11px; color: var(--muted); }
.pool-foot { display: flex; justify-content: space-between; align-items: center; margin-top: auto; gap: 10px; flex-wrap: wrap; }
.price b { font-family: var(--num-font); font-size: 26px; color: var(--primary); }
.price span { color: var(--muted); font-size: 13px; }

/* ================= 按钮 ================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 0; border-radius: 11px; padding: 10px 22px;
  font-size: 15px; font-weight: 600; cursor: pointer; text-decoration: none !important;
  font-family: var(--body-font); transition: all .2s; line-height: 1.4;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; box-shadow: 0 4px 14px rgba(79, 70, 229, .35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(79, 70, 229, .45); }
.btn-ghost { background: #fff; color: var(--primary); border: 1px solid #c7d2fe; }
.btn-ghost:hover { background: #eef2ff; }
.btn-danger { background: #fee2e2; color: #b91c1c; }
.btn-danger:hover { background: #fecaca; }
.btn-disabled { background: #e2e8f0; color: #94a3b8; cursor: not-allowed; }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.file-btn { position: relative; overflow: hidden; }
.file-btn input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

/* ================= 表单 ================= */
label { display: block; font-weight: 600; font-size: 14px; margin: 14px 0 6px; }
input[type="text"], input[type="password"], input[type="email"], input[type="number"],
input[type="url"], select, textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 10px;
  font-size: 15px; font-family: var(--body-font); background: #fff; color: var(--text);
  transition: border .2s, box-shadow .2s;
}
input:focus, select:focus, textarea:focus {
  outline: 0; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79, 70, 229, .15);
}
textarea { resize: vertical; line-height: 1.6; }
.form-narrow { max-width: 460px; }
.form-narrow .btn { margin-top: 20px; }

.captcha-row { display: flex; gap: 12px; align-items: center; }
.captcha-row input { flex: 1; }
.captcha-row img { height: 46px; border-radius: 8px; cursor: pointer; border: 1px solid var(--border); }

/* ================= 卡片 / 表格 / 标签 ================= */
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; margin-bottom: 24px; }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; flex-wrap: wrap; gap: 10px; }
.card h3 { margin-bottom: 14px; }
.empty { text-align: center; color: var(--muted); padding: 30px 0; }

.table-wrap { overflow-x: auto; border-radius: 10px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; background: #fff; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; max-width: 320px; overflow: hidden; text-overflow: ellipsis; }
th { background: #f8fafc; font-weight: 700; color: #475569; position: sticky; top: 0; }
tr:hover td { background: #f8fafc; }
tr:last-child td { border-bottom: 0; }
td .btn { margin: 2px; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-ok { background: #ecfdf5; color: #047857; }
.badge-warn { background: #fffbeb; color: #b45309; }
.badge-muted { background: #f1f5f9; color: #64748b; }
.badge-danger { background: #fef2f2; color: #b91c1c; }

.alert { border-radius: 10px; padding: 12px 16px; margin: 12px 0; font-size: 14px; overflow-wrap: anywhere; }
.alert-err { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.alert-ok { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.alert-warn { background: #fffbeb; color: #b45309; border: 1px solid #fde68a; }
.alert-info { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

/* ================= 用户中心 ================= */
.user-wrap { padding: 30px 28px 60px; }
.overview-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-bottom: 26px; }
.ov-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px 22px; display: flex; flex-direction: column; gap: 4px;
}
.ov-card span { color: var(--muted); font-size: 13px; }
.ov-card b { font-size: 24px; }
.ov-card b i { font-style: normal; font-size: 13px; color: var(--muted); }
.ov-card b.num { font-family: var(--num-font); font-size: 30px; letter-spacing: 1px; }

.tabs {
  display: flex; gap: 6px; flex-wrap: wrap; background: var(--card);
  border-radius: 12px; padding: 8px; box-shadow: var(--shadow); margin-bottom: 22px;
}
.tab {
  border: 0; background: none; padding: 10px 18px; border-radius: 9px;
  font-size: 15px; font-weight: 600; color: var(--muted); cursor: pointer;
  font-family: var(--body-font); transition: all .2s;
}
.tab:hover { color: var(--primary); background: #eef2ff; }
.tab.active { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn .3s; }

.profile-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.profile-grid > div {
  background: #f8fafc; border-radius: 10px; padding: 14px 18px;
  display: flex; flex-direction: column; gap: 4px;
}
.profile-grid span { color: var(--muted); font-size: 12.5px; }

.ref-link-row { display: flex; gap: 10px; flex-wrap: wrap; }
.ref-link-row input { flex: 1; min-width: 240px; }

/* ================= 弹窗 ================= */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(15, 23, 42, .6);
  display: none; align-items: center; justify-content: center; z-index: 200; padding: 20px;
}
.modal-overlay.open { display: flex; animation: fadeIn .25s; }
.modal {
  background: #fff; border-radius: 16px; width: 100%; max-width: 560px;
  max-height: 90vh; display: flex; flex-direction: column; box-shadow: var(--shadow-lg);
  animation: pop .25s;
}
.modal-lg { max-width: 1080px; }
.modal-sm { max-width: 420px; }
.modal-buy { max-width: 960px; }
.modal-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 22px; border-bottom: 1px solid var(--border);
}
.modal-head h3 { font-size: 17px; margin: 0; }
.modal-close {
  border: 0; background: #f1f5f9; color: var(--muted); width: 32px; height: 32px;
  border-radius: 8px; font-size: 20px; cursor: pointer; line-height: 1;
}
.modal-close:hover { background: #fecaca; color: #b91c1c; }
.modal-body { padding: 20px 22px; overflow-y: auto; }
.modal-foot { padding: 14px 22px; border-top: 1px solid var(--border); text-align: right; }

.buy-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 26px; }
.buy-row {
  display: flex; justify-content: space-between; align-items: center;
  background: #f8fafc; border-radius: 10px; padding: 10px 16px; margin: 8px 0; font-size: 14.5px;
}
.buy-row b { font-size: 15.5px; }
.buy-row b.num { font-size: 22px; color: var(--primary); }
.buy-row b.cost { color: var(--danger); }
.buy-left .btn-block { margin-top: 18px; }
.link-tools { display: flex; align-items: center; gap: 10px; margin: 10px 0; flex-wrap: wrap; }
.tag-help summary { cursor: pointer; font-weight: 600; color: var(--primary); padding: 6px 0; }
.tag-table { font-size: 13px; width: 100%; margin-top: 8px; }
.tag-table code { background: #eef2ff; color: var(--primary); padding: 1px 6px; border-radius: 5px; font-size: 12.5px; }
.link-view { max-height: 420px; overflow: auto; background: #f8fafc; border-radius: 10px; padding: 14px; }
.link-view p { font-family: Consolas, monospace; font-size: 13px; overflow-wrap: anywhere; padding: 2px 0; }

/* ================= 浮动工具栏 ================= */
.float-toolbar {
  position: fixed; right: 16px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 12px; z-index: 150;
}
.float-toolbar button, .float-toolbar a {
  width: 54px; height: 54px; border-radius: 50%; border: 0; cursor: pointer;
  background: #fff; box-shadow: var(--shadow-lg); color: var(--text);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: 19px; text-decoration: none !important; transition: transform .2s;
}
.float-toolbar button:hover, .float-toolbar a:hover { transform: scale(1.12); }
.float-toolbar span { font-size: 10.5px; font-weight: 600; }

/* ================= 认证页（登录/注册） ================= */
.auth-wrap { display: flex; justify-content: center; padding: 56px 28px 80px; }
.auth-card {
  background: var(--card); border-radius: 18px; box-shadow: var(--shadow-lg);
  width: 100%; max-width: 460px; padding: 36px;
}
.auth-card h1 { font-size: 26px; margin-bottom: 4px; }
.auth-links { margin-top: 18px; color: var(--muted); }

/* ================= Toast ================= */
.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%) translateY(20px);
  background: #0f172a; color: #fff; padding: 12px 26px; border-radius: 999px;
  font-size: 14.5px; opacity: 0; pointer-events: none; transition: all .3s; z-index: 300;
  max-width: 88vw; overflow-wrap: anywhere; box-shadow: var(--shadow-lg);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.ok { background: #065f46; }
.toast.err { background: #991b1b; }

/* ================= 分页 ================= */
.pagination { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.page-btn {
  display: inline-block; padding: 7px 14px; border-radius: 8px;
  background: #fff; border: 1px solid var(--border); color: var(--text);
  font-size: 14px; text-decoration: none !important; cursor: pointer;
}
a.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; border-color: transparent; }
.page-btn.disabled { color: #cbd5e1; cursor: not-allowed; background: #f8fafc; }

/* ================= 页脚 ================= */
.site-footer { background: #0f172a; color: #cbd5e1; margin-top: 60px; padding: 44px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 32px; padding-bottom: 30px; }
.site-footer h4 { color: #fff; margin-bottom: 12px; font-size: 15px; }
.site-footer a { display: block; color: #94a3b8; padding: 3px 0; text-decoration: none !important; }
.site-footer a:hover { color: #c7d2fe; }
.site-footer p { color: #94a3b8; font-size: 14px; }
.footer-brand .logo { color: #fff; font-size: 20px; }
.copyright { border-top: 1px solid #1e293b; padding: 18px 28px; color: #64748b; font-size: 13px; max-width: 1600px; }

/* ================= 后台管理 ================= */
.admin-body { background: #f1f5f9; }
.admin-nav {
  position: sticky; top: 0; z-index: 100;
  background: #0f172a; color: #fff;
}
.admin-nav .container { display: flex; align-items: center; gap: 8px; height: 60px; flex-wrap: wrap; }
.admin-nav .logo { color: #fff; margin-right: 18px; }
.admin-nav a { color: #cbd5e1; padding: 8px 13px; border-radius: 8px; text-decoration: none !important; font-size: 14.5px; }
.admin-nav a:hover { background: #1e293b; color: #fff; }
.admin-nav a.active { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; }
.admin-nav .spacer { flex: 1; }
.admin-wrap { padding: 26px 28px 60px; }
.admin-stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 26px; }
.stat-card {
  background: #fff; border-radius: 12px; box-shadow: var(--shadow);
  padding: 18px 22px; display: flex; flex-direction: column; gap: 4px;
}
.stat-card span { color: var(--muted); font-size: 13px; }
.stat-card b { font-family: var(--num-font); font-size: 28px; letter-spacing: 1px; }
.stat-card b.c-green { color: var(--success); }
.stat-card b.c-red { color: var(--danger); }
.stat-card b.c-blue { color: var(--primary); }

.filter-bar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.filter-bar input, .filter-bar select { width: auto; min-width: 160px; }
.admin-grid-2 { display: grid; grid-template-columns: 340px 1fr; gap: 22px; align-items: start; }
.cards-codes { width: 100%; font-family: Consolas, monospace; font-size: 13px; white-space: pre; }

/* ================= 动画 ================= */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { from { transform: scale(.94); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ================= 响应式 ================= */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .admin-grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    flex-direction: column; align-items: stretch; padding: 12px 20px; gap: 4px;
    box-shadow: var(--shadow-lg);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 14px; }
  .buy-grid { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
  .copyright { padding: 18px 16px; }
}

@media (max-width: 640px) {
  .pool-grid { grid-template-columns: 1fr; }
  .hero { padding: 36px 0 44px; }
  .hero-stats { gap: 20px; }
  .hero-stats b { font-size: 24px; }
  .overview-grid { grid-template-columns: 1fr 1fr; }
  .float-toolbar { right: 8px; }
  .float-toolbar button, .float-toolbar a { width: 46px; height: 46px; font-size: 16px; }
  .auth-card { padding: 24px 20px; }
  th, td { padding: 8px 8px; font-size: 13px; }
  .footer-grid { grid-template-columns: 1fr; }
}