/* ============================================================
   CardMall — Main Stylesheet
   明亮简洁风格 · 响应式设计
   ============================================================ */

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

:root {
  --font: 'Outfit', system-ui, sans-serif;
  --primary: #2563eb;
  --primary-light: #eff6ff;
  --primary-dark: #1d4ed8;
  --accent: #0ea5e9;
  --text: #111827;
  --text-2: #374151;
  --text-3: #6b7280;
  --border: #e5e7eb;
  --bg: #f9fafb;
  --white: #ffffff;
  --success: #10b981;
  --warning: #f59e0b;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.10);
  --transition: 0.22s cubic-bezier(0.16,1,0.3,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 15px;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 10px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37,99,235,.25);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
}
.btn-buy {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  padding: 8px 18px;
  font-size: 13px;
  border-radius: 8px;
}
.btn-buy:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37,99,235,.2);
}
.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.btn-success:hover { background: #059669; }
.btn-lg { padding: 14px 32px; font-size: 15px; border-radius: 12px; }
.btn-full { width: 100%; }
.btn:active { transform: scale(0.97); }

/* ---- Navbar ---- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 18px;
  color: var(--primary);
}
.logo-icon {
  font-size: 20px;
  color: var(--primary);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-link {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-admin {
  color: var(--text-3);
  font-size: 13px;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 4px;
  transition: var(--transition);
  display: block;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 0 72px;
  background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 60%, #f5f3ff 100%);
}
.hero-inner {
  position: relative;
  z-index: 1;
}
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  pointer-events: none;
}
.blob-1 {
  width: 400px; height: 400px;
  background: #bfdbfe;
  top: -120px; right: -100px;
}
.blob-2 {
  width: 300px; height: 300px;
  background: #ddd6fe;
  bottom: -80px; left: -60px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
  border: 1px solid #bfdbfe;
}
.hero-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}
.hero-title .accent { color: var(--primary); }
.hero-sub {
  font-size: 16px;
  color: var(--text-3);
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 22px; font-weight: 700; color: var(--text); }
.stat-label { font-size: 13px; color: var(--text-3); }
.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* ---- Features ---- */
.features {
  padding: 72px 0;
  background: var(--white);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}
.feature-card {
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--white);
  transition: var(--transition);
}
.feature-card:hover {
  border-color: #bfdbfe;
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.feature-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}
.fi-blue { background: #eff6ff; color: var(--primary); }
.fi-green { background: #ecfdf5; color: var(--success); }
.fi-orange { background: #fffbeb; color: #f59e0b; }
.fi-purple { background: #f5f3ff; color: #7c3aed; }
.feature-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.feature-card p { font-size: 13.5px; color: var(--text-3); line-height: 1.65; }

/* ---- Section Header ---- */
.section-header {
  text-align: center;
  margin-bottom: 36px;
}
.section-header h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 8px;
}
.section-header p { font-size: 14px; color: var(--text-3); }

/* ---- Categories ---- */
.categories {
  padding: 72px 0 88px;
  background: var(--bg);
}
.cat-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  justify-content: center;
}
.cat-tab {
  padding: 7px 18px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--white);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}
.cat-tab:hover { border-color: var(--primary); color: var(--primary); }
.cat-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ---- Product Grid ---- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition);
  cursor: pointer;
}
.product-card:hover {
  border-color: #93c5fd;
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.pc-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 600;
  background: #fef3c7;
  color: #b45309;
}
.pc-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.pc-info { flex: 1; }
.pc-cat {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 6px;
}
.pc-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.pc-desc {
  font-size: 12.5px;
  color: var(--text-3);
  line-height: 1.5;
  margin-bottom: 8px;
}
.pc-stock {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-3);
}
.stock-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
}
.stock-dot.green { background: var(--success); }
.stock-dot.yellow { background: var(--warning); }
.stock-dot.red { background: #ef4444; }
.pc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.pc-prices { display: flex; align-items: baseline; gap: 4px; }
.pc-price { font-size: 20px; font-weight: 700; color: var(--primary); }
.pc-unit { font-size: 11.5px; color: var(--text-3); }
.product-card.hidden { display: none; }

/* ---- How It Works ---- */
.howto {
  padding: 72px 0;
  background: var(--white);
}
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
}
.step {
  flex: 1;
  min-width: 160px;
  max-width: 220px;
  text-align: center;
  padding: 20px 16px;
}
.step-num {
  font-size: 36px;
  font-weight: 700;
  color: #dbeafe;
  margin-bottom: 12px;
  line-height: 1;
}
.step h3 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--text-3); }
.step-arrow {
  font-size: 20px;
  color: var(--border);
  padding-top: 36px;
  flex-shrink: 0;
}

/* ---- Trust Bar ---- */
.trust {
  background: var(--bg);
  padding: 40px 0;
  border-top: 1px solid var(--border);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.trust-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.trust-item strong { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 2px; }
.trust-item span { font-size: 12.5px; color: var(--text-3); }

/* ---- Footer ---- */
.footer {
  background: #111827;
  color: #9ca3af;
  padding: 56px 0 0;
}
.footer-inner {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.footer-brand {
  flex: 1;
  min-width: 200px;
}
.logo-light { color: #fff; }
.footer-brand p {
  font-size: 13px;
  margin-top: 12px;
  color: #6b7280;
  line-height: 1.6;
}
.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.fl-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 120px;
}
.fl-col strong { color: #f9fafb; font-size: 13.5px; margin-bottom: 4px; }
.fl-col a { font-size: 13px; color: #6b7280; transition: color .2s; }
.fl-col a:hover { color: #f9fafb; }
.footer-bottom {
  border-top: 1px solid #1f2937;
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  color: #4b5563;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s;
  backdrop-filter: blur(4px);
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(16px) scale(.97);
  transition: transform .25s cubic-bezier(0.16,1,0.3,1);
}
.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--white);
  cursor: pointer;
  font-size: 14px;
  color: var(--text-3);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: var(--bg); color: var(--text); }
.modal-body { padding: 32px; }

/* ---- Order Form ---- */
.order-product-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.order-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
}
.order-product-header h2 { font-size: 17px; font-weight: 600; margin-bottom: 4px; }
.order-product-header p { font-size: 13px; color: var(--text-3); }

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 6px;
}
.form-group input, .form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus, .form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.form-group .hint { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.form-group .error { font-size: 12px; color: #ef4444; margin-top: 4px; display: none; }
.form-group.has-error input { border-color: #ef4444; }
.form-group.has-error .error { display: block; }

.qty-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.qty-btn {
  width: 34px; height: 34px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--white);
  font-size: 18px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2);
  transition: var(--transition);
  flex-shrink: 0;
}
.qty-btn:hover { border-color: var(--primary); color: var(--primary); }
.qty-input {
  width: 60px !important;
  text-align: center;
}

.price-summary {
  background: var(--bg);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 18px;
}
.price-row {
  display: flex;
  justify-content: space-between;
  font-size: 13.5px;
  color: var(--text-2);
  margin-bottom: 6px;
}
.price-row.total {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: 10px;
  margin-bottom: 0;
}
.price-row.total span:last-child { color: var(--primary); }

.pay-methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 8px;
}
.pay-method {
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 10px 6px;
  text-align: center;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  transition: var(--transition);
}
.pay-method:hover { border-color: var(--primary); color: var(--primary); }
.pay-method.selected {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}
.pay-method .pm-icon { font-size: 20px; margin-bottom: 4px; }

/* ---- Steps inside modal ---- */
.modal-step { display: none; }
.modal-step.active { display: block; }

.success-box {
  text-align: center;
  padding: 20px 0;
}
.success-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: #d1fae5;
  color: var(--success);
  font-size: 28px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.success-box h2 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.success-box p { font-size: 14px; color: var(--text-3); line-height: 1.6; }
.order-id-box {
  background: var(--bg);
  border-radius: 10px;
  padding: 14px 18px;
  margin: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.order-id-box span { font-size: 13.5px; font-weight: 600; color: var(--text); font-family: monospace; }
.copy-btn {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--white);
  cursor: pointer;
  font-family: var(--font);
  color: var(--text-3);
  transition: var(--transition);
}
.copy-btn:hover { color: var(--primary); border-color: var(--primary); }

/* ---- Toast ---- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #111827;
  color: #fff;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: all .3s cubic-bezier(0.16,1,0.3,1);
  z-index: 2000;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---- Query Page ---- */
.page-hero {
  padding: 56px 0 48px;
  background: linear-gradient(135deg, #f0f7ff, #fff);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-size: clamp(26px, 4vw, 38px); font-weight: 700; margin-bottom: 10px; letter-spacing: -0.02em; }
.page-hero p { font-size: 15px; color: var(--text-3); }

.query-section {
  padding: 56px 0;
}
.query-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  max-width: 560px;
  margin: 0 auto;
  box-shadow: var(--shadow);
}
.query-card h2 { font-size: 19px; font-weight: 600; margin-bottom: 6px; }
.query-card > p { font-size: 13.5px; color: var(--text-3); margin-bottom: 28px; }
.query-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 24px;
}
.query-tab {
  flex: 1;
  padding: 8px;
  border-radius: 7px;
  border: none;
  background: transparent;
  font-family: var(--font);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-3);
  cursor: pointer;
  transition: var(--transition);
}
.query-tab.active {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
}

.order-result {
  margin-top: 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  display: none;
}
.order-result.show { display: block; }
.or-header {
  padding: 14px 18px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.or-header strong { font-size: 14px; }
.status-badge {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.status-success { background: #d1fae5; color: #065f46; }
.status-pending { background: #fef3c7; color: #92400e; }
.or-body { padding: 18px; }
.or-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
  gap: 12px;
}
.or-row:last-child { border-bottom: none; }
.or-row span:first-child { color: var(--text-3); flex-shrink: 0; }
.or-row span:last-child { font-weight: 500; text-align: right; word-break: break-all; }
.card-key {
  font-family: monospace;
  background: var(--bg);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 13px;
}

/* ---- Contact Page ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
  padding: 56px 0;
  align-items: start;
}
.contact-info h2 { font-size: 22px; font-weight: 700; margin-bottom: 12px; }
.contact-info p { font-size: 14px; color: var(--text-3); line-height: 1.7; margin-bottom: 24px; }
.contact-channels { display: flex; flex-direction: column; gap: 14px; }
.channel-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: var(--transition);
}
.channel-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.ch-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.ch-info strong { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 2px; }
.ch-info span { font-size: 12.5px; color: var(--text-3); }

.contact-form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
}
.contact-form-card h2 { font-size: 18px; font-weight: 600; margin-bottom: 20px; }

.faq-section { padding: 56px 0; background: var(--bg); }
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--white);
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-question {
  padding: 16px 20px;
  font-size: 14.5px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}
.faq-question:hover { background: var(--bg); }
.faq-question .fq-arrow { transition: transform .25s; font-size: 12px; color: var(--text-3); }
.faq-item.open .fq-arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  font-size: 13.5px;
  color: var(--text-3);
  line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 200px; }
.faq-answer-inner { padding: 0 20px 16px; }

/* ---- Admin Login ---- */
.admin-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 24px;
}
.admin-login-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}
.admin-login-card .logo { justify-content: center; margin-bottom: 8px; }
.admin-login-card .login-sub {
  text-align: center;
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 32px;
}
.admin-login-card h2 {
  text-align: center;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 24px;
}

/* ---- Admin Dashboard ---- */
.admin-layout {
  display: flex;
  min-height: 100vh;
}
.admin-sidebar {
  width: 230px;
  background: #111827;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.admin-logo {
  padding: 0 20px 20px;
  border-bottom: 1px solid #1f2937;
  margin-bottom: 12px;
}
.admin-logo .logo { color: #fff; }
.admin-nav { flex: 1; }
.admin-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-size: 13.5px;
  font-weight: 500;
  color: #6b7280;
  transition: var(--transition);
  border-radius: 0;
}
.admin-nav a:hover, .admin-nav a.active {
  background: #1f2937;
  color: #f9fafb;
}
.admin-nav a .nav-icon { font-size: 16px; }
.admin-main { flex: 1; background: var(--bg); overflow: hidden; }
.admin-topbar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.admin-topbar h1 { font-size: 17px; font-weight: 600; }
.admin-topbar .admin-user { font-size: 13px; color: var(--text-3); }
.admin-content { padding: 28px; }
.stats-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stats-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.stats-card .sc-label { font-size: 12.5px; color: var(--text-3); margin-bottom: 6px; }
.stats-card .sc-value { font-size: 26px; font-weight: 700; color: var(--text); }
.stats-card .sc-sub { font-size: 12px; color: var(--success); margin-top: 4px; }
.admin-table-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
}
.atc-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.atc-header strong { font-size: 14.5px; font-weight: 600; }
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.admin-table th {
  background: var(--bg);
  padding: 10px 16px;
  text-align: left;
  font-weight: 500;
  color: var(--text-3);
  border-bottom: 1px solid var(--border);
  font-size: 12.5px;
}
.admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--bg); }
.tbl-action {
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--white);
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font);
  color: var(--text-3);
  transition: var(--transition);
  margin-right: 4px;
}
.tbl-action:hover { color: var(--primary); border-color: var(--primary); }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); padding: 12px 16px; flex-direction: column; gap: 4px; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .nav-inner { position: relative; }
  .hero { padding: 48px 0 52px; }
  .step-arrow { display: none; }
  .steps { flex-direction: column; align-items: center; gap: 4px; }
  .step { max-width: 100%; width: 100%; }
  .contact-grid { grid-template-columns: 1fr; }
  .admin-sidebar { display: none; }
  .admin-layout { flex-direction: column; }
  .modal-body { padding: 20px; }
  .query-card { padding: 24px 20px; }
  .pay-methods { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
}