/* ============================================================
   HK Card Store — Premium Theme (Dark + Light)
   ============================================================ */

/* ====== Reset & Base ====== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #06080d;
  --bg-card: #0d1117;
  --bg-raised: #111827;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --text: #e2e8f0;
  --text-dim: #8892a4;
  --text-muted: #586378;
  --gold: #f0b90b;
  --gold-light: #fcd535;
  --blue: #3b82f6;
  --blue-light: #60a5fa;
  --green: #10b981;
  --red: #ef4444;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

[data-theme="light"] {
  --bg: #f0f2f5;
  --bg-card: #ffffff;
  --bg-raised: #e8ecf1;
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.18);
  --text: #111827;
  --text-dim: #4b5563;
  --text-muted: #9ca3af;
  --gold: #b45309;
  --gold-light: #d97706;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
}
[data-theme="light"] .header { background: rgba(255,255,255,0.95); border-bottom-color: #e5e7eb; }
[data-theme="light"] .nav-bar { background: #ffffff; border-bottom-color: #e5e7eb; }
[data-theme="light"] .nav-btn { background: #f3f4f6; border-color: #d1d5db; color: #374151; }
[data-theme="light"] .nav-btn:hover { background: #e5e7eb; }
[data-theme="light"] .vpn-card { background: #ffffff; border-color: #e5e7eb; }
[data-theme="light"] .vpn-card:hover { border-color: #d1d5db; box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
[data-theme="light"] .account-card { background: #ffffff; border-color: #e5e7eb; }
[data-theme="light"] .faq-question { background: #ffffff; color: #111827; }
[data-theme="light"] .faq-question.active { color: #b45309; }
[data-theme="light"] .faq-answer { background: #fafbfc; color: #4b5563; }
[data-theme="light"] .disclaimer-box { background: #fef2f2; border-color: #fca5a5; }
[data-theme="light"] .disclaimer-body { color: #991b1b; }
[data-theme="light"] .disclaimer-red { color: #dc2626; }
[data-theme="light"] .tips-box { background: #fffbeb; border-color: #fcd34d; }
[data-theme="light"] .tips-item { color: #92400e; }
[data-theme="light"] .txid-form input,
[data-theme="light"] .form-group input,
[data-theme="light"] .form-inline input,
[data-theme="light"] .form-inline select { background: #ffffff; border-color: #d1d5db; color: #111827; }
[data-theme="light"] .header-status { color: #6b7280; }
[data-theme="light"] .loading { color: #9ca3af; }
[data-theme="light"] .back-link { border-color: #d1d5db; color: #4b5563; }
[data-theme="light"] .back-link:hover { background: #f3f4f6; }
[data-theme="light"] .payment-method { background: #ffffff; border-color: #e5e7eb; }
[data-theme="light"] .vpn-name { color: #111827 !important; }
[data-theme="light"] .stat-card { background: #ffffff; border-color: #e5e7eb; }
[data-theme="light"] .form-card { background: #ffffff; border-color: #e5e7eb; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ====== Typography ====== */
h1 { font-size: 28px; font-weight: 700; letter-spacing: -0.5px; }
h2 { font-size: 21px; font-weight: 600; }
h3 { font-size: 17px; font-weight: 600; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-light); }

/* ====== Header ====== */
.header {
  background: var(--bg-raised);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header .container {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 60px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.brand-icon { font-size: 26px; }
.brand-name {
  font-size: 17px;
  font-weight: 800;
  background: linear-gradient(135deg, #f59e0b, #fbbf24, #fcd34d);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  line-height: 1.2;
}
.brand-sub {
  font-size: 9px;
  color: var(--text-muted);
  display: block;
  letter-spacing: 0.5px;
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 36px; height: 36px;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  color: var(--text);
  margin-left: auto;
}
.theme-toggle:hover { border-color: var(--border-hover); background: var(--bg); }

/* Nav Bar (fanqiangnan style) */
.nav-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 60px;
  z-index: 99;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.nav-bar .container {
  display: flex;
  gap: 8px;
  padding: 8px 24px;
  min-width: max-content;
}
.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 18px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 24px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s;
}
.nav-btn:hover { border-color: var(--border-hover); color: var(--text); }
.nav-btn.active {
  background: linear-gradient(135deg, var(--gold), rgba(240,185,11,0.3));
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}
.nav-btn.hot {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}
.nav-btn.nav-vpn {
  background: linear-gradient(135deg, var(--blue), #2563eb);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}
.nav-bar::-webkit-scrollbar { display: none; }

/* ====== Hero ====== */
.hero {
  text-align: center;
  padding: 60px 20px 48px;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(240,185,11,0.06) 0%, transparent 60%);
}
.hero h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -1px;
}
.hero p {
  color: var(--text-dim);
  font-size: 15px;
  max-width: 480px;
  margin: 0 auto;
}

/* ====== Section Label ====== */
.section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.section-label span {
  background: rgba(240,185,11,0.1);
  border: 1px solid rgba(240,185,11,0.2);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: 0.5px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ====== Product Card ====== */
.product-section { padding: 32px 0; }

.product-card {
  display: flex;
  gap: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: border-color 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(240,185,11,0.3), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.product-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.product-card:hover::before { opacity: 1; }

.product-image {
  flex-shrink: 0;
  width: 160px;
  height: 160px;
  background: linear-gradient(135deg, rgba(240,185,11,0.08), rgba(240,185,11,0.02));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-icon { font-size: 64px; }

.product-info { flex: 1; min-width: 0; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, rgba(240,185,11,0.15), rgba(240,185,11,0.08));
  color: var(--gold-light);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.badge.green {
  background: linear-gradient(135deg, rgba(16,185,129,0.15), rgba(16,185,129,0.08));
  color: var(--green);
}

.product-info h3 {
  font-size: 22px;
  margin-bottom: 6px;
  font-weight: 700;
}
.desc { color: var(--text-dim); margin-bottom: 14px; font-size: 14px; }

.features {
  list-style: none;
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.features li {
  font-size: 13px;
  color: #a0aec0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.price-area { margin-bottom: 22px; display: flex; align-items: baseline; gap: 6px; }
.price {
  font-size: 36px;
  font-weight: 800;
  color: var(--gold-light);
  letter-spacing: -1px;
}
.price small { font-size: 16px; font-weight: 500; opacity: 0.6; }
.price-label { color: var(--gold-light); font-size: 36px; font-weight: 800; letter-spacing: -1px; }

.buy-area { display: flex; align-items: center; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
  letter-spacing: 0.3px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), #d4a30b);
  color: #1a1a0a;
  box-shadow: 0 2px 12px rgba(240,185,11,0.2);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(240,185,11,0.3);
  color: #1a1a0a;
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.btn-outline:hover {
  border-color: var(--border-hover);
  color: var(--text);
}
.btn-blue {
  background: linear-gradient(135deg, var(--blue), #2563eb);
  color: #fff;
  box-shadow: 0 2px 12px rgba(59,130,246,0.2);
}
.btn-blue:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(59,130,246,0.3); color: #fff; }

.warning-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 12px;
  color: var(--red);
  margin-bottom: 18px;
}

/* ====== VPN Showcase (首页) ====== */
.vpn-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}
.vpn-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
}
.vpn-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.vpn-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-color, var(--gold));
}
.vpn-card-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}
.vpn-card-desc {
  font-size: 13px;
  color: #94a3b8;
  line-height: 1.5;
  flex: 1;
}
.vpn-card-promo {
  font-size: 12px;
  font-weight: 600;
  color: var(--gold-light);
  background: rgba(240,185,11,0.1);
  padding: 4px 12px;
  border-radius: 10px;
  display: inline-block;
}
.vpn-card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 0;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--card-color, var(--gold));
  border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.2s;
}
.vpn-card:hover .vpn-card-btn {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.2);
}

/* ====== Payment Info ====== */
.payment-info {
  text-align: center;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  margin-top: 16px;
}
.payment-info h3 { margin-bottom: 12px; }
.payment-methods {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 8px;
}
.payment-method {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.pm-icon { font-size: 16px; }
.payment-note { color: var(--text-muted); font-size: 12px; }

/* ====== Footer ====== */
.footer {
  margin-top: auto;
  padding: 20px 0;
  text-align: center;
  border-top: 1px solid var(--border);
}
.footer p { color: var(--text-muted); font-size: 12px; }

/* ====== Toast ====== */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 13px;
  color: var(--text);
  box-shadow: var(--shadow);
  z-index: 9999;
  opacity: 0;
  transform: translateY(-8px);
  transition: all 0.3s;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { border-color: rgba(16,185,129,0.3); }
.toast.error { border-color: rgba(239,68,68,0.3); }

/* ====== Payment Page ====== */
.payment-section { padding: 40px 0; }
.payment-section h2 { margin-bottom: 20px; }

.pay-method-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}
.pay-tab {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-size: 14px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  font-weight: 500;
}
.pay-tab:hover { border-color: var(--border-hover); color: var(--text); }
.pay-tab.active {
  border-color: rgba(240,185,11,0.4);
  background: rgba(240,185,11,0.06);
  color: var(--gold-light);
  font-weight: 600;
}
.pay-panel { display: none; }
.pay-panel.active { display: block; }

.order-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.order-summary .row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  font-size: 14px;
}
.order-summary .row.total {
  border-top: 1px solid var(--border);
  margin-top: 8px;
  padding-top: 14px;
  font-size: 18px;
  font-weight: 700;
  color: var(--gold-light);
}

.usdt-payment {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}
.usdt-payment h3 { text-align: center; margin-bottom: 20px; }

.payment-detail {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  justify-content: center;
  margin-bottom: 20px;
}
.qr-wrapper {
  background: #fff;
  padding: 12px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.alipay-qr {
  background: #1677ff;
  border-radius: var(--radius-sm);
  padding: 12px;
  min-width: 180px;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.alipay-qr img { max-width: 180px; border-radius: 6px; }

.wallet-info { flex: 1; max-width: 400px; }
.wallet-label { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.wallet-address { display: flex; gap: 8px; margin-bottom: 14px; }
.wallet-address code {
  flex: 1;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 12px;
  word-break: break-all;
  color: #a0aec0;
}
.btn-copy {
  background: rgba(240,185,11,0.1);
  border: 1px solid rgba(240,185,11,0.2);
  border-radius: var(--radius-sm);
  color: var(--gold-light);
  padding: 0 14px;
  cursor: pointer;
  font-size: 12px;
  white-space: nowrap;
  transition: all 0.2s;
}
.btn-copy:hover { background: rgba(240,185,11,0.18); }

.amount-info { font-size: 15px; margin-bottom: 10px; }
.amount-info strong { font-size: 22px; color: var(--gold-light); }
.network-warn {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.18);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 12px;
  color: var(--red);
}
.network-info-blue {
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.18);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 12px;
  color: var(--blue-light);
}

.payment-steps { max-width: 460px; margin: 0 auto; }
.payment-steps h4 { font-size: 14px; margin-bottom: 10px; }
.payment-steps ol { padding-left: 18px; }
.payment-steps li { padding: 3px 0; font-size: 13px; color: #a0aec0; }

.txid-submit {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
}
.txid-submit h3 { margin-bottom: 4px; }
.txid-desc { color: var(--text-muted); font-size: 12px; margin-bottom: 14px; }
.txid-form { display: flex; gap: 10px; }
.txid-form input {
  flex: 1;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}
.txid-form input:focus { border-color: var(--gold); }
.txid-form input::placeholder { color: var(--text-muted); }
.btn-submit {
  background: linear-gradient(135deg, var(--gold), #d4a30b);
  border: none;
  border-radius: var(--radius-sm);
  color: #1a1a0a;
  padding: 0 24px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}
.btn-submit:hover { opacity: 0.9; }

.address-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.address-section h3 { margin-bottom: 4px; }
.address-form { margin-top: 14px; }
.form-row { display: flex; gap: 12px; }
.form-group { flex: 1; margin-bottom: 14px; }
.form-group label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 4px; }
.form-group input {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus { border-color: var(--gold); }
.form-group input::placeholder { color: var(--text-muted); }

/* ====== Success Page ====== */
.success-section { padding: 60px 0; }
.success-card {
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px 36px;
}
.success-icon { font-size: 48px; margin-bottom: 14px; }
.success-card h2 { margin-bottom: 6px; }
.success-desc { color: var(--text-dim); margin-bottom: 20px; }
.order-detail {
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 20px;
  text-align: left;
}
.order-detail .row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  font-size: 13px;
  color: #a0aec0;
}
.order-detail .row .label { color: var(--text-muted); }
.success-note {
  background: rgba(240,185,11,0.06);
  border: 1px solid rgba(240,185,11,0.15);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 20px;
  text-align: left;
}
.success-note p { font-size: 12px; padding: 2px 0; color: #cbd5e0; }
.order-actions { display: flex; gap: 8px; justify-content: center; }

/* =================================================================
   Apple ID Page
   ================================================================= */

.vpn-banner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  min-height: 110px;
}
.vpn-banner::after {
  content: '广告';
  position: absolute;
  top: 8px; right: 12px;
  font-size: 10px;
  color: var(--text-muted);
}
.vpn-slide {
  display: none;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid;
  text-decoration: none;
  transition: all 0.3s;
}
.vpn-slide.active { display: block; }
.vpn-slide:hover { transform: translateY(-1px); }
.vpn-name { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.vpn-desc { font-size: 13px; color: #94a3b8; margin-bottom: 4px; }
.vpn-promo {
  font-size: 12px;
  color: var(--gold-light);
  background: rgba(240,185,11,0.1);
  display: inline-block;
  padding: 2px 10px;
  border-radius: 10px;
  margin-bottom: 8px;
}
.vpn-cta {
  font-size: 12px;
  font-weight: 600;
  color: var(--gold-light);
}
.vpn-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 12px;
}
.vpn-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(255,255,255,0.12);
  cursor: pointer;
  transition: all 0.3s;
}
.vpn-dot.active { background: var(--gold); width: 20px; border-radius: 10px; }

/* Disclaimer */
.disclaimer-box {
  background: rgba(239,68,68,0.06);
  border: 2px solid rgba(239,68,68,0.25);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 20px;
}
.disclaimer-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--red);
  margin-bottom: 10px;
}
.disclaimer-body { font-size: 13px; color: #fca5a5; line-height: 1.8; }
.disclaimer-body p { margin-bottom: 6px; }
.disclaimer-red { color: #ff4444; font-weight: 600; }

.warning-bar {
  background: rgba(239,68,68,0.06);
  border: 1px solid rgba(239,68,68,0.15);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 13px;
  color: var(--red);
  margin-bottom: 20px;
  text-align: center;
}

/* Tips */
.tips-box {
  background: rgba(240,185,11,0.05);
  border: 1px solid rgba(240,185,11,0.15);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 16px;
}
.tips-item {
  font-size: 13px;
  color: #fcd34d;
  padding: 4px 0;
  font-weight: 500;
}

.region-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.region-tab {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 12px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  font-weight: 500;
}
.region-tab:hover { border-color: var(--border-hover); color: var(--text); }
.region-tab.active {
  background: linear-gradient(135deg, var(--blue), #2563eb);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}

.accounts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.account-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: border-color 0.2s;
}
.account-card:hover { border-color: var(--border-hover); }

.account-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.region-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 12px;
  background: rgba(255,255,255,0.05);
  color: var(--text-dim);
}
.region-badge.region-US { background: rgba(59,130,246,0.12); color: var(--blue-light); }
.region-badge.region-HK { background: rgba(239,68,68,0.12); color: var(--red); }
.region-badge.region-JP { background: rgba(240,185,11,0.12); color: var(--gold-light); }
.region-badge.region-TW { background: rgba(16,185,129,0.12); color: var(--green); }
.region-badge.region-KR { background: rgba(139,92,246,0.12); color: #a78bfa; }

.status-dot {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
}
.status-ok { background: rgba(16,185,129,0.12); color: var(--green); }
.status-locked { background: rgba(239,68,68,0.12); color: var(--red); }

.account-field { margin-bottom: 6px; }
.account-field label { font-size: 10px; color: var(--text-muted); display: block; margin-bottom: 2px; text-transform: uppercase; letter-spacing: 0.5px; }
.copy-row { display: flex; gap: 8px; align-items: center; }
.copy-row code {
  flex: 1;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 12px;
  word-break: break-all;
  color: #94a3b8;
}
.btn-copy-mini {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  padding: 5px 10px;
  font-size: 11px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}
.btn-copy-mini:hover { border-color: var(--border-hover); color: var(--text); }
.btn-copy-mini.copied { background: rgba(16,185,129,0.12); color: var(--green); border-color: rgba(16,185,129,0.2); }

.account-footer { margin-top: 8px; }
.check-time { font-size: 10px; color: var(--text-muted); }

.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.refresh-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-muted);
}
.btn-refresh {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  padding: 6px 14px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-refresh:hover { border-color: var(--border-hover); color: var(--text); }

/* Guide Section */
.guide-section { margin-bottom: 40px; }
.guide-section h2 { font-size: 19px; margin-bottom: 16px; }
.guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.step {
  display: flex;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.step-num {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--blue), #2563eb);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: #fff;
  flex-shrink: 0;
}
.step-content h4 { font-size: 13px; margin-bottom: 2px; }
.step-content p { font-size: 11px; color: var(--text-muted); line-height: 1.5; }

.guide-warning {
  background: rgba(240,185,11,0.04);
  border: 1px solid rgba(240,185,11,0.12);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
}
.guide-warning p { font-size: 12px; color: #94a3b8; padding: 2px 0; }

/* FAQ Accordion */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  margin-bottom: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  text-align: left;
  background: var(--bg-card);
  border: none;
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  transition: background 0.2s;
  font-family: var(--font);
}
.faq-question:hover { background: var(--bg-raised); }
.faq-question.active { color: var(--gold-light); }
.faq-question.active .faq-icon { transform: rotate(45deg); }
.faq-icon {
  font-size: 18px;
  font-weight: 300;
  transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-answer {
  display: none;
  padding: 0 18px 16px;
  font-size: 13px;
  color: #94a3b8;
  line-height: 1.8;
  background: var(--bg-card);
}
.faq-answer.active { display: block; }
.faq-answer img { max-width: 100%; border-radius: 8px; margin-top: 10px; }

/* ====== Monitor / Admin ====== */
.monitor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.wallet-badge {
  background: rgba(240,185,11,0.08);
  border: 1px solid rgba(240,185,11,0.15);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 11px;
  color: var(--gold-light);
  word-break: break-all;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  text-align: center;
}
.stat-value { font-size: 28px; font-weight: 800; letter-spacing: -0.5px; }
.stat-label { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.stat-value.green { color: var(--green); }
.stat-value.orange { color: var(--gold-light); }
.stat-value.blue { color: var(--blue-light); }

.tx-table {
  width: 100%; border-collapse: collapse; margin-bottom: 20px;
}
.tx-table th {
  text-align: left; padding: 10px 12px; font-size: 10px; color: var(--text-muted);
  border-bottom: 1px solid var(--border); text-transform: uppercase; letter-spacing: 0.5px;
}
.tx-table td {
  padding: 12px; font-size: 13px; border-bottom: 1px solid rgba(255,255,255,0.03);
}
.tx-table tr:hover { background: rgba(255,255,255,0.015); }
.tx-amount { color: var(--green); font-weight: 600; white-space: nowrap; }
.tx-from { font-size: 11px; color: var(--text-muted); word-break: break-all; }
.tx-time { font-size: 11px; color: var(--text-muted); white-space: nowrap; }
.tx-txid { font-size: 10px; color: var(--text-muted); word-break: break-all; }
.no-tx { text-align: center; padding: 40px; color: var(--text-muted); }
.auto-refresh { font-size: 12px; color: var(--text-muted); text-align: center; margin-top: 16px; }
.auto-refresh span { color: var(--green); }
.page-stats { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.form-card h3 { font-size: 15px; margin-bottom: 14px; }
.form-inline { display: flex; gap: 10px; flex-wrap: wrap; }
.form-inline input, .form-inline select {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  font-size: 13px;
  outline: none;
}
.form-inline input:focus { border-color: var(--gold); }
.form-inline input { flex: 1; min-width: 200px; }
.form-inline select { min-width: 90px; }

.my-account-list { margin-top: 14px; }
.my-account-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.015);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
}
.my-account-item .info { flex: 1; min-width: 0; }
.my-account-item .email { font-size: 13px; color: #a0aec0; word-break: break-all; }
.my-account-item .meta { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.btn-del {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.15);
  border-radius: 4px;
  color: var(--red);
  padding: 4px 10px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-del:hover { background: rgba(239,68,68,0.15); }
.count-badge { font-size: 12px; color: var(--gold-light); }
.empty { text-align: center; color: var(--text-muted); padding: 24px; font-size: 13px; }

/* ====== Responsive - Mobile ====== */
@media (max-width: 768px) {
  .container { padding: 0 14px; }
  body { font-size: 15px; }
  .header .container { height: 52px; gap: 8px; }
  .brand-icon { font-size: 22px; }
  .brand-name { font-size: 15px; }
  .brand-sub { font-size: 8px; }
  .theme-toggle { width: 32px; height: 32px; font-size: 16px; }
  .nav-bar { top: 52px; }
  .nav-bar .container { padding: 6px 14px; gap: 6px; }
  .nav-btn { padding: 6px 14px; font-size: 12px; }
  .hero { padding: 36px 14px 32px; }
  .hero h2 { font-size: 22px; }
  .hero p { font-size: 13px; }
  .section-label span { font-size: 11px; padding: 3px 12px; }
  .product-card { flex-direction: column; align-items: center; text-align: center; padding: 20px 16px; gap: 18px; }
  .product-image { width: 100px; height: 100px; border-radius: 20px; }
  .card-icon { font-size: 44px; }
  .product-info h3 { font-size: 19px; }
  .desc { font-size: 13px; }
  .features { grid-template-columns: 1fr; gap: 4px; }
  .features li { font-size: 12px; justify-content: center; }
  .price-area { justify-content: center; }
  .price { font-size: 28px; }
  .buy-area { flex-direction: column; width: 100%; gap: 8px; }
  .buy-area .btn { width: 100%; padding: 14px; font-size: 15px; }
  .btn-blue { width: 100%; justify-content: center; padding: 14px; font-size: 15px; }
  .vpn-showcase { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .vpn-card { padding: 16px; }
  .vpn-card-name { font-size: 15px; }
  .vpn-card-desc { font-size: 11px; }
  .vpn-card-promo { font-size: 10px; }
  .vpn-card-btn { font-size: 11px; padding: 6px 0; }
  .vpn-banner { padding: 14px 16px; min-height: auto; }
  .vpn-slide { padding: 12px 14px; }
  .vpn-name { font-size: 15px; }
  .vpn-desc { font-size: 12px; }
  .pay-tab { padding: 10px; font-size: 13px; }
  .payment-detail { flex-direction: column; align-items: center; }
  .wallet-info { max-width: 100%; }
  .wallet-address { flex-direction: column; }
  .qr-wrapper, .alipay-qr { padding: 10px; }
  #qrcode img, .alipay-qr img { width: 140px !important; height: 140px !important; }
  .txid-form { flex-direction: column; }
  .form-row { flex-direction: column; gap: 0; }
  .form-group { margin-bottom: 10px; }
  .form-group input { padding: 12px; font-size: 14px; }
  .accounts-grid { grid-template-columns: 1fr; }
  .account-card { padding: 14px; }
  .account-field label { font-size: 11px; }
  .copy-row code { font-size: 11px; padding: 8px; }
  .btn-copy-mini { padding: 8px 12px; font-size: 12px; }
  .region-tabs { gap: 4px; }
  .region-tab { padding: 5px 12px; font-size: 11px; }
  .disclaimer-box { padding: 14px 16px; }
  .disclaimer-title { font-size: 14px; }
  .disclaimer-body { font-size: 12px; }
  .tips-item { font-size: 12px; }
  .faq-question { font-size: 13px; padding: 12px 14px; }
  .faq-answer { font-size: 12px; padding: 0 14px 14px; }
  .guide-steps { grid-template-columns: 1fr; }
  .step { padding: 12px 14px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .stat-card { padding: 14px; }
  .stat-value { font-size: 22px; }
  .tx-table { font-size: 12px; }
  .tx-table th, .tx-table td { padding: 8px; }
  .form-inline { flex-direction: column; }
  .form-inline input { min-width: auto; width: 100%; }
  .success-card { padding: 28px 20px; }
  .order-actions { flex-direction: column; }
  .order-actions .btn { width: 100%; }
  .footer p { font-size: 11px; }
  .back-link { font-size: 12px; padding: 5px 12px; }
  .payment-info { padding: 20px 0; }
  .vpn-dot { width: 5px; height: 5px; }
  .vpn-dot.active { width: 16px; }
}

@media (max-width: 400px) {
  .vpn-showcase { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
  .nav-btn { padding: 5px 10px; font-size: 11px; }
  .hero h2 { font-size: 19px; }
}


/* Back link button */
.back-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: all 0.2s;
}
.back-link:hover { color: var(--text); border-color: var(--border-hover); background: var(--bg); }