/* =====================================================================
   GEO 品牌可见度分析平台 —— 全局样式（深色 · 靛紫玻璃拟态）
   纯手写 CSS，无需任何构建步骤。
   ===================================================================== */
:root {
    --bg: #0b0f1e;
    --bg-2: #111634;
    --surface: rgba(255, 255, 255, 0.04);
    --surface-2: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.1);
    --text: #e6e8f5;
    --muted: #9aa0bd;
    --primary: #7c5cff;
    --primary-2: #9d7bff;
    --primary-fg: #ffffff;
    --accent: #22d3ee;
    --success: #34d399;
    --warning: #fbbf24;
    --danger: #f87171;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.6);
    --grad: linear-gradient(135deg, #7c5cff 0%, #22d3ee 100%);
}

* { box-sizing: border-box; }
html { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: radial-gradient(1200px 700px at 80% -10%, rgba(124, 92, 255, 0.18), transparent 60%),
                radial-gradient(900px 600px at 0% 100%, rgba(34, 211, 238, 0.12), transparent 55%),
                var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}
a { color: var(--primary-2); text-decoration: none; }
a:hover { color: var(--primary); }
h1, h2, h3 { margin: 0 0 .4em; line-height: 1.25; text-wrap: balance; }
h1 { font-size: 1.7rem; }
h2 { font-size: 1.2rem; }
p { margin: 0 0 .6em; text-wrap: pretty; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.center { text-align: center; }
.mb { margin-bottom: 1rem; }
.req { color: var(--danger); }
.inline { display: inline; }

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.main-content { padding-top: 28px; padding-bottom: 48px; }

/* ---------- 玻璃卡片 ---------- */
.glass {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(12px);
}
.card { padding: 22px; box-shadow: var(--shadow); }
.card + .card { margin-top: 20px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.card-head h2 { margin: 0; }

/* ---------- 导航 ---------- */
.navbar { position: sticky; top: 0; z-index: 40; background: rgba(11, 15, 30, 0.8); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; gap: 18px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); }
.brand:hover { color: var(--text); }
.brand-mark { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: var(--grad); color: #fff; font-weight: 800; font-size: .8rem; letter-spacing: .5px; }
.brand-mark.lg { width: 54px; height: 54px; font-size: 1.1rem; border-radius: 14px; }
.brand-name { font-size: 1rem; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 6px; margin-left: 8px; }
.nav-link { padding: 8px 14px; border-radius: 10px; color: var(--muted); font-size: .92rem; transition: .15s; }
.nav-link:hover { color: var(--text); background: var(--surface-2); }
.nav-link.active { color: var(--text); background: var(--surface-2); }
.nav-user { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.points-badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); font-size: .85rem; white-space: nowrap; }
.points-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.user-menu { display: flex; align-items: center; gap: 10px; }
.user-name { font-size: .9rem; color: var(--muted); }
.nav-toggle { display: none; background: var(--surface-2); border: 1px solid var(--border); color: var(--text); font-size: 1.1rem; border-radius: 8px; padding: 4px 10px; cursor: pointer; }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 18px; border-radius: 10px; border: 1px solid transparent; font-size: .92rem; font-weight: 600; cursor: pointer; transition: .15s; white-space: nowrap; }
.btn-primary { background: var(--grad); color: var(--primary-fg); }
.btn-primary:hover { color: #fff; filter: brightness(1.08); transform: translateY(-1px); }
.btn-secondary { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { color: var(--text); background: rgba(255,255,255,0.12); }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--border); }
.btn-ghost:hover { color: var(--text); background: var(--surface-2); }
.btn-danger { background: rgba(248,113,113,.15); color: var(--danger); border-color: rgba(248,113,113,.35); }
.btn-block { width: 100%; }
.btn-lg { padding: 13px 24px; font-size: 1rem; }
.btn-sm { padding: 6px 12px; font-size: .82rem; }
.btn-xs { padding: 4px 9px; font-size: .76rem; }

/* ---------- 表单 ---------- */
.form-group { margin-bottom: 16px; }
.label { display: block; margin-bottom: 7px; font-size: .86rem; color: var(--muted); }
.input, .textarea, .select { width: 100%; padding: 11px 13px; background: rgba(0,0,0,0.25); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-size: .95rem; font-family: inherit; transition: .15s; }
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(124,92,255,.2); }
.input::placeholder, .textarea::placeholder { color: #5b6180; }
.input-sm { padding: 7px 11px; font-size: .85rem; width: auto; }
.input-xs { padding: 5px 8px; font-size: .8rem; width: 90px; }
.textarea { resize: vertical; }

/* ---------- Flash ---------- */
.flash-wrap { padding-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.flash { padding: 12px 16px; border-radius: var(--radius-sm); font-size: .9rem; border: 1px solid var(--border); }
.flash-success { background: rgba(52,211,153,.12); border-color: rgba(52,211,153,.35); color: #a7f3d0; }
.flash-error { background: rgba(248,113,113,.12); border-color: rgba(248,113,113,.35); color: #fecaca; }

/* ---------- 页头 ---------- */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head h1 { margin: 0; }
.head-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- 统计卡 ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.admin-stats { grid-template-columns: repeat(5, 1fr); }
.stat { padding: 18px 20px; }
.stat-label { color: var(--muted); font-size: .85rem; margin: 0 0 6px; }
.stat-value { font-size: 1.9rem; font-weight: 700; margin: 0; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ---------- 两栏 ---------- */
.two-col { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; align-items: start; }

/* ---------- 表格 ---------- */
.table-wrap { width: 100%; max-width: 100%; overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th, .table td { padding: 11px 12px; text-align: left; white-space: nowrap; border-bottom: 1px solid var(--border); }
.table th { color: var(--muted); font-weight: 600; font-size: .82rem; }
.table tbody tr:hover { background: var(--surface-2); }
.clickable { cursor: pointer; }

/* ---------- 徽章 ---------- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .76rem; font-weight: 600; border: 1px solid var(--border); }
.badge-success { background: rgba(52,211,153,.14); color: #6ee7b7; border-color: rgba(52,211,153,.3); }
.badge-warning { background: rgba(251,191,36,.14); color: #fcd34d; border-color: rgba(251,191,36,.3); }
.badge-primary { background: rgba(124,92,255,.16); color: var(--primary-2); border-color: rgba(124,92,255,.35); }
.badge-muted { background: var(--surface-2); color: var(--muted); }

/* ---------- 进度条 ---------- */
.bar { display: inline-block; width: 90px; height: 7px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; vertical-align: middle; }
.bar.mini { width: 70px; }
.bar i { display: block; height: 100%; border-radius: 999px; background: var(--grad); }

/* ---------- 空状态 ---------- */
.empty { text-align: center; padding: 28px 10px; display: flex; flex-direction: column; align-items: center; gap: 12px; }

/* ---------- 积分流水 ---------- */
.log-list { list-style: none; margin: 0 0 16px; padding: 0; }
.log-list li { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); }
.log-info { display: flex; flex-direction: column; }
.log-reason { font-size: .9rem; }
.log-change { font-weight: 700; }
.log-change.pos { color: var(--success); }
.log-change.neg { color: var(--danger); }

/* ---------- 认证页 ---------- */
.plain-body { display: flex; flex-direction: column; min-height: 100vh; }
.auth-wrap { flex: 1; display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.auth-card { width: 100%; max-width: 420px; padding: 34px; }
.auth-head { text-align: center; margin-bottom: 24px; }
.auth-head h1 { margin: 14px 0 4px; }
.auth-head .brand-mark { margin: 0 auto; }
.auth-foot { text-align: center; margin-top: 18px; }

/* ---------- 检测表单 ---------- */
.form-card { max-width: 720px; }
.checkbox-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.check-item { display: flex; align-items: center; gap: 8px; padding: 10px 12px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; font-size: .9rem; }
.check-item input { accent-color: var(--primary); width: 16px; height: 16px; }

/* ---------- 检测结果 ---------- */
.result-top { display: grid; grid-template-columns: 260px 1fr; gap: 20px; margin-bottom: 20px; align-items: stretch; }
.result-score { display: flex; align-items: center; gap: 18px; padding: 22px; }
.result-summary { padding: 22px; }
.result-summary h3 { margin-top: 0; }
.score-ring { --val: 0; position: relative; width: 84px; height: 84px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--primary) calc(var(--val) * 1%), rgba(255,255,255,.08) 0); flex-shrink: 0; }
.score-ring::before { content: ""; position: absolute; inset: 8px; border-radius: 50%; background: var(--bg-2); }
.score-ring span { position: relative; font-size: 1.4rem; font-weight: 800; }
.score-ring.lg { width: 120px; height: 120px; }
.score-ring.lg span { font-size: 2rem; }
.score-grade { font-weight: 700; font-size: 1.1rem; margin: 2px 0 0; }
.kw-list, .comp-list { list-style: none; margin: 0; padding: 0; }
.kw-list li, .comp-list li { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.kw-name, .comp-name { flex: 1; min-width: 0; font-size: .92rem; }
.kw-val, .comp-score { font-weight: 700; width: 44px; text-align: right; }
.trend { font-size: .78rem; width: 56px; text-align: right; }
.trend-up { color: var(--success); }
.trend-down { color: var(--danger); }
.trend-flat { color: var(--muted); }
.suggestion-list { margin: 0; padding-left: 20px; }
.suggestion-list li { margin-bottom: 10px; }

/* ---------- 充值 ---------- */
.amount-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.amount-item, .method-item { cursor: pointer; }
.amount-item input, .method-item input { position: absolute; opacity: 0; }
.amount-box { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2); transition: .15s; }
.amount-box b { font-size: 1.2rem; }
.amount-box small { color: var(--muted); }
.amount-item input:checked + .amount-box, .method-item input:checked + .method-box { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(124,92,255,.3); }
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.method-box { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2); }
.tag-live { color: var(--success); }
.tag-demo { color: var(--warning); }

/* ---------- 支付页 ---------- */
.pay-wrap { display: flex; justify-content: center; }
.pay-card { width: 100%; max-width: 440px; }
.pay-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); }
.pay-row .amount { color: var(--accent); font-size: 1.15rem; }
.pay-qr { text-align: center; margin: 22px 0; }
.qr-box { width: 180px; height: 180px; margin: 0 auto 10px; background: #fff; border-radius: 12px; padding: 10px; display: grid; place-items: center; }
.qr-box img, .qr-box canvas { width: 100%; height: 100%; }
.pay-done { text-align: center; padding: 14px; color: var(--success); font-weight: 600; }
.pay-live-note { margin-top: 10px; }

/* ---------- Landing ---------- */
.landing-nav { display: flex; align-items: center; justify-content: space-between; padding-top: 22px; }
.landing-nav-actions { display: flex; gap: 10px; }
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; padding: 60px 20px; }
.hero h1 { font-size: 2.8rem; line-height: 1.15; }
.hero .grad, .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.pill { display: inline-block; padding: 6px 14px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); font-size: .82rem; color: var(--primary-2); margin-bottom: 18px; }
.lead { font-size: 1.05rem; margin: 18px 0 26px; max-width: 46ch; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-card { padding: 26px; }
.hero-score { display: flex; align-items: center; gap: 18px; margin-bottom: 20px; }
.hero-list { list-style: none; margin: 0; padding: 0; }
.hero-list li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 0; font-size: .9rem; }
.hero-list .bar { width: 55%; }
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding: 20px 20px 70px; }
.feature { padding: 22px; }
.feature h3 { font-size: 1.05rem; }

/* ---------- 后台布局 ---------- */
.admin-body { min-height: 100vh; }
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar { width: 240px; flex-shrink: 0; background: rgba(11,15,30,.7); border-right: 1px solid var(--border); padding: 20px 16px; display: flex; flex-direction: column; gap: 18px; }
.admin-menu { display: flex; flex-direction: column; gap: 4px; }
.admin-link { padding: 10px 14px; border-radius: 10px; color: var(--muted); font-size: .92rem; }
.admin-link:hover { color: var(--text); background: var(--surface-2); }
.admin-link.active { color: var(--text); background: var(--surface-2); }
.admin-sidebar-footer { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }
.admin-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.admin-topbar { display: flex; align-items: center; gap: 14px; height: 62px; padding: 0 24px; border-bottom: 1px solid var(--border); background: rgba(11,15,30,.6); }
.admin-title { font-size: 1.1rem; margin: 0; }
.admin-topbar .user-name { margin-left: auto; }
.admin-content { padding: 24px; }
.admin-content .flash-wrap { padding: 0 0 16px; }

/* ---------- 设置页 ---------- */
.settings-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 20px; }
.settings-actions { margin-top: 20px; }
.pay-config-block { padding: 16px 0; border-top: 1px solid var(--border); }
.pay-config-block:first-of-type { border-top: none; }
.switch-row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; cursor: pointer; }
.switch-row input { width: 18px; height: 18px; accent-color: var(--primary); }
.switch-title { font-weight: 600; }
.search-form { display: flex; gap: 8px; }
.actions-cell { display: flex; align-items: center; gap: 8px; }
.points-form { display: flex; gap: 6px; align-items: center; }

/* ---------- 错误页 ---------- */
.error-page { min-height: 70vh; display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.center-card { text-align: center; max-width: 420px; padding: 40px; }
.error-code { font-size: 4rem; margin: 0 0 10px; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ---------- 页脚 ---------- */
.footer { padding: 30px 20px; text-align: center; color: var(--muted); font-size: .84rem; border-top: 1px solid var(--border); margin-top: 20px; }
.link { color: var(--primary-2); font-size: .88rem; }

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
    h1 { font-size: 1.4rem; }
    .nav-toggle { display: block; }
    .nav-links { display: none; position: absolute; top: 62px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px; padding: 12px; background: var(--bg-2); border-bottom: 1px solid var(--border); }
    .nav-links.open { display: flex; }
    .nav-user { margin-left: auto; }
    .user-name { display: none; }
    .stat-grid, .admin-stats { grid-template-columns: repeat(2, 1fr); }
    .two-col { grid-template-columns: 1fr; }
    .result-top { grid-template-columns: 1fr; }
    .hero { grid-template-columns: 1fr; padding: 30px 20px; }
    .hero h1 { font-size: 2rem; }
    .features { grid-template-columns: 1fr 1fr; }
    .checkbox-grid, .amount-grid, .method-grid { grid-template-columns: repeat(2, 1fr); }
    .settings-grid { grid-template-columns: 1fr; }
    .admin-sidebar { position: fixed; z-index: 60; top: 0; bottom: 0; left: -260px; transition: left .2s; }
    .admin-sidebar.open { left: 0; }
    .admin-topbar .nav-toggle { display: block; }
    .page-head { align-items: flex-start; }
}
@media (min-width: 769px) {
    .admin-topbar .nav-toggle { display: none; }
}
@media print {
    .navbar, .footer, .head-actions, .flash-wrap { display: none !important; }
    body { background: #fff; color: #000; }
    .glass { background: #fff; border: 1px solid #ddd; box-shadow: none; }
}