:root {
  --blue-900: #073b73;
  --blue-800: #0b4d91;
  --blue-700: #1267d8;
  --blue-600: #1677ff;
  --blue-100: #eaf3ff;
  --blue-50: #f5f9ff;
  --ink: #102033;
  --muted: #65758b;
  --line: #d9e4f2;
  --panel: #ffffff;
  --soft: #f7faff;
  --success: #108c5b;
  --warning: #c67700;
  --danger: #bd2f3a;
  --shadow: 0 16px 42px rgba(12, 58, 112, 0.11);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background: #fff;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  background: var(--blue-900);
  color: #e6f2ff;
  font-size: 13px;
}

.topbar .container {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar-list {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav-wrap {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--blue-900);
  white-space: nowrap;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: white;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--blue-700), var(--blue-900));
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav a {
  padding: 10px 12px;
  border-radius: var(--radius);
  color: #263a52;
  font-weight: 650;
  font-size: 14px;
}

.nav a:hover,
.nav a.active {
  color: var(--blue-800);
  background: var(--blue-100);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn,
.menu-toggle {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--blue-900);
  cursor: pointer;
  position: relative;
}

.menu-toggle {
  display: none;
}

.cart-count {
  position: absolute;
  top: -7px;
  right: -7px;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--blue-600);
  color: white;
  font-size: 12px;
  font-weight: 800;
}

.hero {
  min-height: 610px;
  display: grid;
  align-items: center;
  color: white;
  background:
    linear-gradient(90deg, rgba(7, 35, 71, 0.92), rgba(7, 58, 115, 0.72), rgba(7, 58, 115, 0.18)),
    url("https://images.unsplash.com/photo-1593640408182-31c70c8268f5?auto=format&fit=crop&w=1800&q=80") center/cover;
}

.hero-inner {
  max-width: 670px;
  padding: 72px 0 94px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--blue-100);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 70px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero p,
.hero-sub {
  max-width: 590px;
  margin: 22px 0 0;
  color: #e6f2ff;
  font-size: 18px;
}

.hero-btns {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-btns .btn-outline {
  color: #fff;
  border-color: rgba(255,255,255,0.45);
}
.hero-btns .btn-outline:hover {
  background: rgba(255,255,255,0.12);
}

.hero-actions,
.section-actions,
.form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--blue-600);
  color: white;
  font-weight: 800;
  cursor: pointer;
  transition: 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(22, 119, 255, 0.22);
}

.btn-secondary {
  background: white;
  color: var(--blue-900);
  border-color: white;
}

.btn-outline {
  background: transparent;
  color: var(--blue-800);
  border-color: var(--line);
}

.btn-outline:hover {
  background: var(--blue-50);
}

.btn-dark {
  background: var(--blue-900);
}

.btn-block {
  width: 100%;
}

.trust-strip {
  margin-top: -42px;
  position: relative;
  z-index: 2;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius);
  background: var(--soft);
}

.trust-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: var(--radius);
  background: var(--blue-100);
  color: var(--blue-800);
}

.trust-item strong {
  display: block;
  font-size: 14px;
}

.trust-item span {
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 78px 0;
}

.section-soft,
.section-alt {
  background: var(--blue-50);
}

.section-head,
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 28px;
}

.section-head h2,
.section-header h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.08;
}

.section-head p,
.section-header p {
  max-width: 600px;
  margin: 10px 0 0;
  color: var(--muted);
}

.view-all {
  color: var(--blue-700);
  font-weight: 750;
  font-size: 15px;
  white-space: nowrap;
  transition: color 0.15s;
}
.view-all:hover {
  color: var(--blue-900);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.category-card,
.policy-card,
.support-card,
.blog-card,
.checkout-box,
.summary-box,
.contact-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.category-card {
  min-height: 156px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
}

.category-card:hover,
.product-card:hover,
.blog-card:hover {
  border-color: #aacbff;
  box-shadow: var(--shadow);
}

.category-card .category-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  color: var(--blue-800);
  background: var(--blue-100);
}

.category-card h3 {
  margin: 18px 0 4px;
  font-size: 17px;
}

.category-card span {
  color: var(--muted);
  font-size: 14px;
}

.toolbar,
.product-toolbar {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, minmax(150px, 0.55fr));
  gap: 12px;
  margin-bottom: 24px;
}

.product-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.product-toolbar .search-bar {
  flex: 1;
  min-width: 200px;
}

.product-toolbar .filter-group {
  display: flex;
  gap: 10px;
}

.search-field,
.select-field,
.input-field,
.textarea-field {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 10px 12px;
  outline: none;
}

.textarea-field {
  min-height: 132px;
  resize: vertical;
}

.search-field:focus,
.select-field:focus,
.input-field:focus,
.textarea-field:focus {
  border-color: var(--blue-600);
  box-shadow: 0 0 0 4px rgba(22, 119, 255, 0.12);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: 0.18s ease;
}

.product-media,
.product-image {
  position: relative;
  aspect-ratio: 1.15;
  overflow: hidden;
  background: var(--blue-50);
}

.product-media img,
.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.22s ease;
}

.product-card:hover .product-media img,
.product-card:hover .product-image img {
  transform: scale(1.05);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--blue-100);
  color: var(--blue-800);
  font-size: 12px;
  font-weight: 850;
}

.badge-sale {
  background: #eaf8f2;
  color: var(--success);
}

.badge-warning {
  background: #fff5df;
  color: var(--warning);
}

.product-media .badge,
.product-image .badge {
  position: absolute;
  top: 12px;
  left: 12px;
}

.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 16px;
}

.product-card > a {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  padding: 0 16px;
  margin-top: 14px;
}

.stars {
  color: #f4a800;
  letter-spacing: 0;
  white-space: nowrap;
}

.product-card h3 {
  margin: 0;
  padding: 0 16px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
}

.product-desc,
.product-card .desc {
  min-height: 40px;
  margin: 0;
  padding: 6px 16px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  flex: 1;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 14px 16px 0;
  margin-top: auto;
}

.price {
  color: var(--blue-900);
  font-size: 20px;
  font-weight: 850;
}

.old-price {
  color: var(--muted);
  text-decoration: line-through;
  font-size: 14px;
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr 44px;
  gap: 8px;
  margin-top: 14px;
}

.product-card .btn {
  margin: 12px 16px 16px;
  width: calc(100% - 32px);
}

.mini-link {
  color: var(--blue-800);
  font-weight: 800;
  font-size: 14px;
}

.split-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 42px;
  align-items: center;
}

.image-panel {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.image-panel img {
  width: 100%;
  height: 430px;
  object-fit: cover;
}

.feature-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: flex;
  gap: 10px;
  color: #2c4057;
}

.feature-list i {
  color: var(--success);
}

.policy-grid,
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.policy-card,
.support-card {
  padding: 22px;
}

.policy-card h3,
.support-card h3 {
  margin: 12px 0 8px;
  font-size: 19px;
}

.policy-card p,
.support-card p {
  margin: 0;
  color: var(--muted);
}

.support-icon {
  display: block;
  font-size: 32px;
  line-height: 1;
  margin-bottom: 4px;
}

.support-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-700);
  transition: color 0.15s;
}

.support-link:hover {
  color: var(--blue-800);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.blog-card {
  overflow: hidden;
}

.blog-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
}

.blog-card-body {
  padding: 18px;
}

.blog-card-body h3 {
  margin: 8px 0;
  font-size: 19px;
}

.blog-card-body p {
  margin: 0 0 14px;
  color: var(--muted);
}

.newsletter,
.newsletter-cta {
  padding: 36px;
  border-radius: var(--radius);
  color: white;
  background:
    linear-gradient(90deg, rgba(7, 59, 115, 0.96), rgba(22, 119, 255, 0.84)),
    url("https://images.unsplash.com/photo-1558618666-fcd25c85cd64?auto=format&fit=crop&w=1400&q=80") center/cover;
}

.newsletter-inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 28px;
  align-items: center;
}

.newsletter h2,
.newsletter-cta h2 {
  margin: 0;
  font-size: 30px;
}

.newsletter p,
.newsletter-cta p {
  max-width: 620px;
  margin: 8px 0 0;
  color: #e7f3ff;
}

.newsletter-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.newsletter-form input {
  min-width: 0;
}

.newsletter-cta .newsletter-form {
  margin-top: 16px;
}
.newsletter-cta .container {
  text-align: center;
}
.newsletter-cta p {
  max-width: 500px;
  margin: 8px auto 0;
}
.newsletter-cta .newsletter-form {
  max-width: 480px;
  margin: 16px auto 0;
}

.newsletter-form input {
  min-width: 0;
}

.page-hero {
  padding: 70px 0;
  color: white;
  background:
    linear-gradient(90deg, rgba(7, 44, 84, 0.93), rgba(18, 103, 216, 0.72)),
    url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1800&q=80") center/cover;
}

.page-hero p {
  max-width: 670px;
  margin: 16px 0 0;
  color: #e8f3ff;
  font-size: 18px;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
  color: #d9ecff;
  font-weight: 750;
  font-size: 14px;
}

/* ── Legal / CMS Page Content ── */
.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 0;
}

.page-content h2 {
  font-size: 16px;
  font-weight: 500;
  color: var(--muted);
  margin: 0 0 32px;
}

.page-content h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 36px 0 14px;
  color: var(--ink);
}

.page-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 24px 0 8px;
  color: var(--ink);
}

.page-content p {
  font-size: 16px;
  line-height: 1.7;
  color: #334155;
  margin: 0 0 16px;
}

.page-content ul {
  margin: 0 0 20px;
  padding-left: 22px;
}

.page-content ul li {
  font-size: 15px;
  line-height: 1.65;
  color: #334155;
  margin-bottom: 8px;
}

.page-content strong {
  font-weight: 600;
  color: var(--ink);
}

.layout {
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 28px;
}

.sidebar {
  align-self: start;
  position: sticky;
  top: 96px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.filter-group + .filter-group {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.filter-group h3 {
  margin: 0 0 10px;
  font-size: 15px;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0;
  color: #394c63;
  font-size: 14px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 42px;
}

.detail-media {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--blue-50);
}

.detail-media img {
  width: 100%;
  height: 560px;
  object-fit: cover;
}

.detail-info h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.05;
}

.detail-price {
  margin: 18px 0;
  color: var(--blue-900);
  font-size: 32px;
  font-weight: 900;
}

.spec-table {
  width: 100%;
  margin-top: 20px;
  border-collapse: collapse;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.spec-table th,
.spec-table td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.spec-table th {
  width: 38%;
  background: var(--blue-50);
}

.qty-control {
  display: inline-grid;
  grid-template-columns: 40px 52px 40px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.qty-control button {
  height: 42px;
  border: 0;
  background: var(--blue-50);
  color: var(--blue-900);
  cursor: pointer;
  font-weight: 900;
}

.qty-control input {
  width: 52px;
  height: 42px;
  border: 0;
  text-align: center;
}

.cart-layout,
.checkout-layout,
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 28px;
  align-items: start;
}

.cart-list,
.checkout-box,
.summary-box,
.contact-box {
  padding: 18px;
}

.cart-row {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.cart-row:first-child {
  padding-top: 0;
}

.cart-thumb {
  width: 92px;
  height: 92px;
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--blue-50);
}

.cart-row h3 {
  margin: 0 0 4px;
  font-size: 17px;
}

.cart-row p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
}

.remove-item {
  border: 0;
  background: none;
  color: var(--danger);
  cursor: pointer;
  font-weight: 800;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.summary-line.total {
  border-bottom: 0;
  color: var(--blue-900);
  font-size: 22px;
  font-weight: 900;
}

.payment-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.payment-tab {
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--blue-900);
  cursor: pointer;
  font-weight: 850;
}

.payment-tab.active {
  background: var(--blue-600);
  color: #fff;
  border-color: var(--blue-600);
}

.payment-panel {
  display: none;
}

.payment-panel.active {
  display: block;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.form-grid .span-2 {
  grid-column: span 2;
}

.form-label {
  display: grid;
  gap: 6px;
  color: #30445c;
  font-weight: 750;
  font-size: 14px;
}

.notice {
  padding: 14px;
  border: 1px solid #b8d8ff;
  border-radius: var(--radius);
  background: var(--blue-50);
  color: #234866;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.faq-question {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 16px;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  font-weight: 850;
}

.faq-answer {
  display: none;
  padding: 0 16px 16px;
  color: var(--muted);
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-item.open .faq-question {
  color: var(--blue-800);
}

.policy-content {
  max-width: 880px;
}

.policy-content h2 {
  margin-top: 34px;
}

.policy-content p,
.policy-content li {
  color: var(--muted);
}

.site-footer {
  background: #071d38;
  color: #dcecff;
}

.footer-main {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding: 54px 0 36px;
}

.footer-main h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 15px;
  letter-spacing: 0.3px;
}

.footer-main p {
  margin: 12px 0 0;
  color: #b9cce2;
  line-height: 1.6;
  font-size: 14px;
}

.footer-contact {
  margin-top: 16px;
}

.footer-contact a {
  color: #8ab4f8;
  font-size: 14px;
}

.footer-contact a:hover {
  color: #fff;
}

.footer-links {
  display: grid;
  gap: 9px;
}

.footer-links a {
  color: #b9cce2;
  font-size: 14px;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #a9bfd8;
  font-size: 14px;
}

.cart-drawer {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
}

.drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 18, 36, 0.46);
  opacity: 0;
  transition: 0.18s ease;
}

.drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(420px, 100%);
  height: 100%;
  display: flex;
  flex-direction: column;
  background: #fff;
  transform: translateX(100%);
  transition: 0.22s ease;
  box-shadow: -20px 0 38px rgba(7, 29, 56, 0.18);
}

.cart-drawer.open {
  pointer-events: auto;
}

.cart-drawer.open .drawer-backdrop {
  opacity: 1;
}

.cart-drawer.open .drawer-panel {
  transform: translateX(0);
}

.drawer-head,
.drawer-foot {
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-head h2 {
  margin: 0;
  font-size: 20px;
}

.drawer-close {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
}

.drawer-items {
  flex: 1;
  overflow: auto;
  padding: 0 18px;
}

.drawer-foot {
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 70;
  min-width: min(360px, calc(100% - 32px));
  padding: 13px 16px;
  border-radius: var(--radius);
  background: var(--blue-900);
  color: white;
  box-shadow: var(--shadow);
  text-align: center;
  transform: translate(-50%, 18px);
  opacity: 0;
  pointer-events: none;
  transition: 0.18s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.empty-state {
  padding: 36px 18px;
  color: var(--muted);
  text-align: center;
}

.back-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 25;
  display: none;
}

.back-top.show {
  display: inline-grid;
}

@media (max-width: 1024px) {
  .trust-grid,
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .category-grid,
  .policy-grid,
  .support-grid,
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .toolbar,
  .newsletter-inner,
  .layout,
  .detail-grid,
  .cart-layout,
  .checkout-layout,
  .contact-layout,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .footer-main {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .site-header {
    position: relative;
    top: 0;
  }

  .topbar .container {
    align-items: flex-start;
    flex-direction: column;
    padding: 10px 0;
  }

  .menu-toggle {
    display: inline-grid;
  }

  .nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 74px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
  }

  .nav.open {
    display: flex;
  }

  .hero {
    min-height: 560px;
  }

  .hero-inner {
    padding: 54px 0 88px;
  }

  .section {
    padding: 56px 0;
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .trust-grid,
  .category-grid,
  .product-grid,
  .policy-grid,
  .support-grid,
  .blog-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-grid .span-2 {
    grid-column: span 1;
  }

  .newsletter {
    padding: 24px;
  }

  .newsletter-form {
    grid-template-columns: 1fr;
  }

  .cart-row {
    grid-template-columns: 72px 1fr;
  }

  .cart-row > .price {
    grid-column: 2;
  }

  .cart-thumb {
    width: 72px;
    height: 72px;
  }

  .footer-main,
  .footer-bottom {
    grid-template-columns: 1fr;
    flex-direction: column;
  }
}

/* ── 404 Error Page ── */
.error-404 {
  padding: 60px 0 100px;
  text-align: center;
  overflow: hidden;
}

.error-404-inner {
  max-width: 620px;
  margin: 0 auto;
  position: relative;
}

/* SVG illustration */
.error-404-art {
  position: relative;
  width: 100%;
  max-width: 400px;
  height: 200px;
  margin: 0 auto 20px;
}

.error-404-svg {
  width: 100%;
  height: 100%;
  color: var(--blue-700);
}

/* Title */
.error-404-title {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin: 0 0 14px;
  color: var(--ink);
}

/* Description */
.error-404-desc {
  font-size: 17px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0 0 36px;
}

/* Action buttons */
.error-404-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.error-404-actions .btn {
  min-width: 180px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 8px;
}

/* Help links section */
.error-404-help {
  border-top: 1px solid var(--line);
  padding-top: 36px;
}

.error-404-help h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin: 0 0 18px;
}

.error-404-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 4px;
}

.error-404-links a {
  display: inline-block;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--blue-700);
  background: var(--blue-50);
  border-radius: 6px;
  transition: all 0.15s ease;
}

.error-404-links a:hover {
  background: var(--blue-100);
  color: var(--blue-800);
  transform: translateY(-1px);
}

/* Mobile */
@media (max-width: 760px) {
  .error-404 {
    padding: 40px 0 60px;
  }

  .error-404-art {
    height: 160px;
  }

  .error-404-title {
    font-size: 26px;
  }

  .error-404-desc {
    font-size: 15px;
  }

  .error-404-actions .btn {
    min-width: 0;
    flex: 1;
  }

  .error-404-links a {
    padding: 7px 16px;
  }
}

/* ══════════════════════════════════
   Auth Pages (Login / Register)
   ══════════════════════════════════ */

.auth-section {
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 16px;
  background: linear-gradient(135deg, var(--blue-50) 0%, #e8f4fd 50%, var(--blue-50) 100%);
  position: relative;
  overflow: hidden;
}

.auth-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(22, 119, 255, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 70%, rgba(7, 59, 115, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.auth-container {
  width: 100%;
  max-width: 460px;
  position: relative;
  z-index: 1;
}

.auth-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow:
    0 1px 3px rgba(7, 59, 115, 0.04),
    0 8px 32px rgba(7, 59, 115, 0.08),
    0 24px 60px rgba(7, 59, 115, 0.06);
  transition: box-shadow 0.25s ease;
}

.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  color: #fff;
  box-shadow: 0 4px 16px rgba(22, 119, 255, 0.25);
}

.auth-header h1 {
  margin: 0;
  font-size: 26px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.3px;
}

.auth-subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 15px;
}

/* Alerts */
.auth-alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 20px;
  animation: authSlideIn 0.3s ease;
}

.auth-alert svg {
  flex-shrink: 0;
}

.auth-alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.auth-alert-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

@keyframes authSlideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Form */
.auth-form {
  display: grid;
  gap: 20px;
}

.auth-field {
  display: grid;
  gap: 6px;
}

.auth-field label {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.1px;
}

/* Input Group */
.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-group .input-field {
  padding-left: 44px;
  padding-right: 44px;
  height: 48px;
  font-size: 15px;
  border-radius: 10px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
  transition: opacity 0.2s, color 0.2s;
}

.input-group .input-field:focus ~ .input-icon {
  opacity: 1;
  color: var(--blue-600);
}

/* Password Toggle */
.password-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.password-toggle:hover {
  background: var(--blue-50);
  color: var(--blue-700);
}

/* Options Row */
.auth-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}

/* Custom Checkbox */
.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: 500;
  color: #374151;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  width: 18px;
  height: 18px;
  border: 2px solid var(--line);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
  position: relative;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--blue-600);
  border-color: var(--blue-600);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '';
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  position: absolute;
  top: 1px;
}

.checkbox-label a {
  color: var(--blue-700);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.checkbox-label a:hover {
  color: var(--blue-900);
}

.forgot-link {
  color: var(--blue-700);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  transition: color 0.15s;
}

.forgot-link:hover {
  color: var(--blue-900);
}

/* Submit Button */
.auth-submit {
  height: 50px;
  border-radius: 10px;
  font-size: 16px;
  letter-spacing: 0.2px;
  gap: 8px;
  transition: transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(22, 119, 255, 0.3);
}

.auth-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(22, 119, 255, 0.35);
}

.auth-submit:active {
  transform: translateY(0);
}

/* Hint text */
.auth-hint {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* Terms */
.auth-terms {
  font-size: 14px;
}

.auth-terms .checkbox-label {
  align-items: flex-start;
}

.auth-terms .checkbox-custom {
  margin-top: 2px;
}

/* Divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}

/* Social Buttons */
.auth-social {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 24px;
}

.btn-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s;
}

.btn-social:hover {
  background: var(--blue-50);
  border-color: #aacbff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(7, 59, 115, 0.08);
}

.btn-social:active {
  transform: translateY(0);
}

.btn-social-google svg {
  color: #ea4335;
}

.btn-social-github svg {
  color: #333;
}

/* Switch Link */
.auth-switch {
  text-align: center;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.auth-switch a {
  color: var(--blue-700);
  font-weight: 700;
  transition: color 0.15s;
}

.auth-switch a:hover {
  color: var(--blue-900);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Responsive */
@media (max-width: 520px) {
  .auth-card {
    padding: 28px 20px;
    border-radius: 12px;
  }

  .auth-section {
    padding: 24px 12px;
    background: #fff;
  }

  .auth-section::before {
    display: none;
  }

  .auth-social {
    grid-template-columns: 1fr;
  }

  .auth-options {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* ══════════════════════════════════
   Product Detail Page - Enhanced
   ══════════════════════════════════ */

.detail-grid-enhanced {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #64748b;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.breadcrumb a { color: #64748b; }
.breadcrumb a:hover { color: #2563eb; }
.breadcrumb span:last-child { color: #1e293b; font-weight: 500; }

  /* Product Detail Grid */
  .product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
  @media (max-width: 768px) { .product-detail-grid { grid-template-columns: 1fr; gap: 24px; } }

  .gallery-container { position: sticky; top: 24px; }
.main-image-container { position: relative; border-radius: 16px; overflow: hidden; cursor: zoom-in; background: #f8fafc; aspect-ratio: 1 / 1; }
.main-image-container img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.3s ease; }

/* Info Column */
.detail-info { display: flex; flex-direction: column; gap: 20px; }
.info-brand-cat { display: flex; gap: 8px; flex-wrap: wrap; }
.brand-tag, .cat-tag { padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.brand-tag { background: #eff6ff; color: #2563eb; }
.cat-tag { background: #f1f5f9; color: #64748b; }
.info-title { margin: 0; font-size: 28px; font-weight: 700; color: #1e293b; line-height: 1.2; }
.info-rating { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.stars { display: flex; gap: 2px; }
.star { color: #f59e0b; font-size: 16px; }
.star.empty { color: #e2e8f0; }
.star.half { background: linear-gradient(90deg, #f59e0b 50%, #e2e8f0 50%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.rating-num { font-weight: 600; color: #1e293b; }
.review-count, .sold-count { color: #64748b; font-size: 14px; }
.dot { color: #cbd5e1; }
.info-short-desc { margin: 0; font-size: 15px; color: #475569; line-height: 1.6; }

/* Price Block */
.price-block { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.current-price { font-size: 32px; font-weight: 800; color: #1e293b; }
.original-price { font-size: 18px; color: #94a3b8; text-decoration: line-through; }
.discount-tag { padding: 4px 10px; background: #fef2f2; color: #dc2626; border-radius: 6px; font-size: 13px; font-weight: 600; }

/* Form */
.detail-info .form-group { display: flex; flex-direction: column; gap: 6px; }
.detail-info label { font-size: 13px; font-weight: 500; color: #475569; }
.detail-info .input-field { padding: 12px 14px; border: 2px solid #e2e8f0; border-radius: 10px; font-size: 15px; transition: border-color 0.2s; }
.detail-info .input-field:focus { outline: none; border-color: #2563eb; }

/* Meta */
.meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.meta-item { background: #f8fafc; border-radius: 10px; padding: 12px 14px; }
.meta-label { display: block; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: #94a3b8; margin-bottom: 4px; }
.stock-status { font-size: 14px; font-weight: 600; }
.stock-status.in-stock { color: #16a34a; }
.stock-status.out-stock { color: #dc2626; }
.shipping-status { font-size: 14px; font-weight: 500; color: #1e293b; }

/* Cart Controls */
.cart-controls { display: flex; gap: 12px; align-items: center; }
.qty-control { display: flex; border: 2px solid #e2e8f0; border-radius: 10px; overflow: hidden; }
.qty-btn { width: 44px; height: 48px; border: none; background: #f8fafc; color: #475569; font-size: 20px; font-weight: 600; cursor: pointer; transition: all 0.15s; }
.qty-btn:hover { background: #e2e8f0; color: #1e293b; }
.qty-control input { width: 56px; height: 48px; border: none; border-left: 2px solid #e2e8f0; border-right: 2px solid #e2e8f0; text-align: center; font-size: 16px; font-weight: 600; -moz-appearance: textfield; }
.qty-control input::-webkit-outer-spin-button, .qty-control input::-webkit-inner-spin-button { -webkit-appearance: none; }
.btn-add-cart { flex: 1; height: 50px; font-size: 16px; font-weight: 600; }

/* Trust */
.trust-row { display: flex; flex-wrap: wrap; gap: 16px; border-top: 1px solid #f1f5f9; padding-top: 16px; }
.trust-item { font-size: 13px; color: #475569; }

/* Info Table */
.info-table { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; border-top: 1px solid #f1f5f9; padding-top: 16px; }
.info-item { display: flex; justify-content: space-between; gap: 8px; padding: 6px 0; border-bottom: 1px solid #f8fafc; }
.info-label { font-size: 13px; color: #64748b; }
.info-value { font-size: 13px; font-weight: 500; color: #1e293b; text-align: right; }

/* Tabs */
.detail-tabs-container { margin-top: 48px; }
.detail-tabs { display: flex; gap: 4px; border-bottom: 2px solid #f1f5f9; margin-bottom: 24px; }
.tab-btn { padding: 12px 24px; border: none; background: none; font-size: 15px; font-weight: 500; color: #64748b; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all 0.2s; }
.tab-btn:hover { color: #1e293b; }
.tab-btn.active { color: #2563eb; border-bottom-color: #2563eb; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.description-content { font-size: 15px; line-height: 1.7; color: #475569; white-space: pre-wrap; }
.description-content p { margin: 0 0 16px; }

/* Specs */
.spec-group { margin-bottom: 24px; }
.spec-group-title { font-size: 15px; font-weight: 600; color: #1e293b; margin: 0 0 12px; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table tr:nth-child(even) { background: #f8fafc; }
.spec-table td { padding: 10px 14px; font-size: 14px; border-bottom: 1px solid #f1f5f9; }
.spec-name { color: #64748b; width: 40%; }
.spec-value { color: #1e293b; font-weight: 500; }

/* Shipping */
.shipping-content { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.ship-section { background: #f8fafc; border-radius: 12px; padding: 20px; }
.ship-section h4 { margin: 0 0 10px; font-size: 15px; font-weight: 600; color: #1e293b; }
.ship-section p { margin: 0; font-size: 14px; color: #475569; line-height: 1.6; }

/* ── Help Center ────────────────────────────────────── */

/* SVG icon display fix */
.help-search-svg,
.help-nav-dot svg,
.help-home-card-icon svg,
.help-cta-icon svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* Page Hero - 增强版 */
.help-page-hero {
  padding: 80px 0 80px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.06) 0%, transparent 40%),
    linear-gradient(135deg, #073b73 0%, #0d4e8a 30%, #1267d8 65%, #1677ff 100%);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.help-page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(100, 180, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.help-page-hero h1 {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.6px;
  color: #fff;
  margin: 0 0 14px;
  line-height: 1.18;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}
.help-page-hero p {
  max-width: 580px;
  margin: 0 auto;
  font-size: 17px;
  opacity: 0.92;
  line-height: 1.65;
  font-weight: 400;
}

/* Search - 增强悬浮效果 */
.help-search-section {
  padding: 0;
  margin-top: -36px;
  position: relative;
  z-index: 5;
}
.help-search-inner {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
}
.help-search-inner .input-field {
  width: 100%;
  height: 64px;
  padding: 0 32px 0 68px;
  font-size: 16px;
  border-radius: 20px;
  border: 2px solid transparent;
  background: #fff;
  box-shadow:
    0 12px 40px rgba(7, 59, 115, 0.18),
    0 4px 12px rgba(7, 59, 115, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: all 0.25s ease;
  font-weight: 400;
  color: #1e293b;
}
.help-search-inner .input-field::placeholder {
  color: #94a3b8;
}
.help-search-inner .input-field:focus {
  border-color: #1677ff;
  box-shadow:
    0 12px 48px rgba(22, 119, 255, 0.25),
    0 4px 16px rgba(22, 119, 255, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 0 0 4px rgba(22, 119, 255, 0.08);
  outline: none;
  transform: translateY(-1px);
}
.help-search-svg {
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  color: #64748b;
  pointer-events: none;
  z-index: 2;
  transition: color 0.25s ease;
}
.help-search-inner:focus-within .help-search-svg {
  color: #1677ff;
}

/* Main Layout - desktop left-right layout */
.help-main {
  padding: 56px 0 96px;
  background:
    linear-gradient(180deg, #f0f7ff 0%, #f5f9ff 100%);
  min-height: 60vh;
  position: relative;
}

.help-main::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(180deg, rgba(22, 119, 255, 0.03) 0%, transparent 100%);
  pointer-events: none;
}

/* Desktop: left sidebar + right content (强制应用) */
.help-layout {
  display: flex !important;
  flex-direction: row !important;
  gap: 32px !important;
  align-items: flex-start !important;
}

.help-sidebar {
  width: 280px !important;
  flex-shrink: 0 !important;
}

.help-content {
  flex: 1 !important;
  min-width: 0 !important;
  position: relative;
}

.help-home {
  background:
    linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  border-radius: 24px;
  padding: 40px 44px 44px;
  border: 1px solid #e2e8f0;
  box-shadow:
    0 8px 32px rgba(15, 23, 42, 0.06),
    0 2px 8px rgba(15, 23, 42, 0.03),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  position: relative;
  overflow: hidden;
}

.help-home::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #1677ff 0%, #1267d8 25%, #0b4d91 50%, #1267d8 75%, #1677ff 100%);
  opacity: 0.6;
}

.help-home::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(22, 119, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* Home header 增强版 */
.help-home-header {
  text-align: center;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}

.help-home-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 14px;
  letter-spacing: -0.5px;
  line-height: 1.25;
}

.help-home-header p {
  color: #64748b;
  font-size: 16px;
  margin: 0 auto;
  line-height: 1.65;
  max-width: 520px;
}

/* Navigation - 精致版 */
.help-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background:
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-radius: 20px;
  padding: 6px;
  box-shadow:
    0 6px 24px rgba(15, 23, 42, 0.08),
    0 2px 6px rgba(15, 23, 42, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  border: 1px solid #e2e8f0;
  position: sticky;
  top: 24px;
  overflow: hidden;
}

.help-nav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(22, 119, 255, 0.1) 20%, rgba(22, 119, 255, 0.2) 50%, rgba(22, 119, 255, 0.1) 80%, transparent 100%);
}

.help-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px 12px 20px;
  border-radius: 14px;
  color: #475569;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
}

.help-nav-item::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 4px;
  height: 32px;
  background: linear-gradient(to bottom, #1677ff, #0b4d91);
  border-radius: 4px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(22, 119, 255, 0.3);
}

.help-nav-item::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(22, 119, 255, 0.08) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.help-nav-item:hover {
  background: #ffffff;
  color: #0f172a;
  transform: translateX(4px);
  border-color: #e0ecff;
  box-shadow:
    0 4px 12px rgba(22, 119, 255, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.help-nav-item:hover::before {
  transform: translateY(-50%) scaleY(0.7);
}

.help-nav-item:hover::after {
  opacity: 1;
}

.help-nav-item.active {
  background: #ffffff;
  color: #0b4d91;
  border-color: #c7e0ff;
  box-shadow:
    0 6px 20px rgba(22, 119, 255, 0.12),
    0 2px 6px rgba(22, 119, 255, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.help-nav-item.active::before {
  transform: translateY(-50%) scaleY(1);
}

.help-nav-item.active::after {
  opacity: 1;
  background: linear-gradient(90deg, rgba(22, 119, 255, 0.12) 0%, transparent 60%);
}

.help-nav-dot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
  color: #64748b;
  flex-shrink: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:
    inset 0 1px 2px rgba(15, 23, 42, 0.08),
    0 1px 2px rgba(15, 23, 42, 0.04);
}

.help-nav-item:hover .help-nav-dot {
  background: linear-gradient(135deg, #e8f3ff 0%, #dbeafe 100%);
  color: #1677ff;
  transform: scale(1.08);
  box-shadow:
    0 6px 16px rgba(22, 119, 255, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.help-nav-item.active .help-nav-dot {
  background: linear-gradient(135deg, #1677ff 0%, #0b4d91 100%);
  color: #fff;
  transform: scale(1.05);
  box-shadow:
    0 8px 20px rgba(22, 119, 255, 0.32),
    0 3px 8px rgba(22, 119, 255, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.help-nav-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}

.help-nav-name {
  font-size: 14px;
  font-weight: 600;
  color: #334155;
  line-height: 1.2;
  letter-spacing: -0.1px;
}

.help-nav-item.active .help-nav-name {
  font-weight: 700;
  color: #0b4d91;
}

.help-nav-desc {
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.2;
  font-weight: 500;
}

.help-nav-item.active .help-nav-desc {
  color: #475569;
}

.help-nav-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(226, 232, 240, 0.8) 15%, rgba(226, 232, 240, 0.8) 85%, transparent 100%);
  margin: 4px 20px;
}

/* Sidebar CTA - 精致版 */
.help-sidebar-cta {
  margin-top: 20px;
  padding: 28px 22px;
  background:
    radial-gradient(circle at 15% 10%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 85% 90%, rgba(120, 180, 255, 0.15) 0%, transparent 50%),
    linear-gradient(135deg, #073b73 0%, #0b4d91 35%, #1267d8 75%, #1677ff 100%);
  border-radius: 20px;
  text-align: center;
  color: #fff;
  box-shadow:
    0 16px 40px rgba(7, 59, 115, 0.28),
    0 6px 16px rgba(7, 59, 115, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    inset 0 -1px 0 rgba(7, 59, 115, 0.3);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.help-sidebar-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(150, 200, 255, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatGlow 6s ease-in-out infinite;
}

.help-sidebar-cta::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(100, 160, 255, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatGlow 8s ease-in-out infinite reverse;
}

@keyframes floatGlow {
  0%, 100% {
    transform: translate(0, 0);
    opacity: 0.8;
  }
  50% {
    transform: translate(5px, 10px);
    opacity: 1;
  }
}

.help-cta-icon {
  margin-bottom: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.08) 100%);
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    0 4px 12px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 2;
  transition: transform 0.3s ease;
}

.help-sidebar-cta:hover .help-cta-icon {
  transform: scale(1.05) rotate(-5deg);
}

.help-cta-icon svg {
  width: 24px;
  height: 24px;
}

.help-sidebar-cta h4 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.2px;
  position: relative;
  z-index: 2;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.help-sidebar-cta p {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  z-index: 2;
  font-weight: 500;
}

.help-sidebar-cta .btn {
  background: #fff;
  color: #0b4d91;
  border: none;
  font-weight: 700;
  padding: 11px 26px;
  border-radius: 12px;
  font-size: 13px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  box-shadow:
    0 4px 14px rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  position: relative;
  z-index: 2;
}

.help-sidebar-cta .btn::after {
  content: '→';
  font-size: 12px;
  transition: transform 0.3s ease;
}

.help-sidebar-cta .btn:hover {
  background: #f8fafc;
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 10px 24px rgba(0, 0, 0, 0.22),
    0 4px 8px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.help-sidebar-cta .btn:hover::after {
  transform: translateX(3px);
}

/* Search meta - 增强版 */
.help-search-meta {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 28px;
  padding: 16px 24px;
  background: #fff;
  border-radius: 14px;
  border: 1px solid #e2e8f0;
  box-shadow:
    0 2px 8px rgba(15, 23, 42, 0.04),
    0 1px 3px rgba(15, 23, 42, 0.03);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.help-search-meta strong {
  color: #0b4d91;
  font-weight: 700;
}

.help-clear-search {
  margin-left: 8px;
  font-weight: 600;
  color: #1677ff;
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 8px;
  background: #e8f3ff;
  transition: all 0.2s ease;
}

.help-clear-search:hover {
  color: #fff;
  background: #1677ff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(22, 119, 255, 0.2);
}

/* Home page - 增强版 */
.help-home-header {
  text-align: center;
  margin-bottom: 48px;
}

.help-home-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 14px;
  letter-spacing: -0.5px;
  line-height: 1.25;
}

.help-home-header p {
  color: #64748b;
  font-size: 16px;
  margin: 0 auto;
  line-height: 1.65;
  max-width: 520px;
}

/* Desktop cards: 3 columns - 精致版 */
.help-home-grid {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 20px !important;
  margin-bottom: 56px !important;
}

.help-home-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  padding: 36px 24px 28px;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  background: #ffffff;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:
    0 1px 3px rgba(15, 23, 42, 0.04),
    0 2px 8px rgba(15, 23, 42, 0.03);
  position: relative;
  overflow: hidden;
}

.help-home-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 3px;
  background: linear-gradient(90deg, #1677ff 0%, #0b4d91 100%);
  border-radius: 0 0 4px 4px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(22, 119, 255, 0.2);
}

.help-home-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(22, 119, 255, 0.04) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.help-home-card:hover {
  border-color: #c7e0ff;
  box-shadow:
    0 20px 48px rgba(22, 119, 255, 0.14),
    0 8px 20px rgba(22, 119, 255, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transform: translateY(-5px);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.help-home-card:hover::before {
  transform: translateX(-50%) scaleX(1);
}

.help-home-card:hover::after {
  opacity: 1;
}

.help-home-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, #f0f7ff 0%, #e0ecff 100%);
  color: #1677ff;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
  position: relative;
  box-shadow:
    inset 0 2px 4px rgba(22, 119, 255, 0.1),
    0 2px 8px rgba(22, 119, 255, 0.06);
  z-index: 1;
}

.help-home-card-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: linear-gradient(135deg, #1677ff 0%, #0b4d91 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.help-home-card-icon svg {
  position: relative;
  z-index: 1;
  transition: transform 0.3s ease;
}

.help-home-card:hover .help-home-card-icon {
  transform: scale(1.1);
  box-shadow:
    0 12px 32px rgba(22, 119, 255, 0.3),
    0 4px 12px rgba(22, 119, 255, 0.15);
  color: #fff;
}

.help-home-card:hover .help-home-card-icon::before {
  opacity: 1;
}

.help-home-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.35;
  letter-spacing: -0.2px;
  position: relative;
  z-index: 1;
  transition: color 0.3s ease;
}

.help-home-card p {
  margin: 0;
  font-size: 13px;
  color: #64748b;
  line-height: 1.55;
  position: relative;
  z-index: 1;
}

.help-home-card:hover h3 {
  color: #0b4d91;
}

/* Home footer - 精致版 */
.help-home-footer {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 44px 52px;
  background:
    radial-gradient(circle at 5% 20%, rgba(255, 255, 255, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 95% 80%, rgba(200, 220, 255, 0.12) 0%, transparent 45%),
    linear-gradient(135deg, #073b73 0%, #0b4d91 30%, #1267d8 65%, #1677ff 100%);
  border-radius: 22px;
  color: #fff;
  box-shadow:
    0 18px 52px rgba(7, 59, 115, 0.26),
    0 8px 20px rgba(7, 59, 115, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -1px 0 rgba(7, 59, 115, 0.3);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.help-home-footer::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -15%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(150, 200, 255, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatGlow 7s ease-in-out infinite;
}

.help-home-footer::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -10%;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(100, 160, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatGlow 9s ease-in-out infinite reverse;
}

.help-home-footer-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 84px;
  height: 84px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.08) 100%);
  border-radius: 24px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    0 4px 16px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 1;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.help-home-footer-icon svg {
  width: 38px;
  height: 38px;
}

.help-home-footer:hover .help-home-footer-icon {
  transform: scale(1.05) rotate(-3deg);
}

.help-home-footer-text {
  flex: 1;
  position: relative;
  z-index: 1;
  min-width: 0;
}

.help-home-footer h3 {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.3px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.help-home-footer p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 500;
}

.help-home-footer .btn-primary {
  background: #fff;
  color: #0b4d91;
  border: none;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  font-size: 14px;
  box-shadow:
    0 4px 16px rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  position: relative;
  z-index: 2;
}

.help-home-footer .btn-primary::after {
  content: '→';
  font-size: 12px;
  transition: transform 0.3s ease;
}

.help-home-footer .btn-primary:hover {
  background: #f8fafc;
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.22),
    0 4px 8px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.help-home-footer .btn-primary:hover::after {
  transform: translateX(3px);
}

/* Category detail */
.help-category {
  margin-bottom: 40px;
}

.help-category-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid #e2e8f0;
}

.help-category-badge {
  font-size: 26px;
  line-height: 1;
}

.help-muted {
  color: #64748b;
  font-size: 14px;
}

/* Article accordion */
.help-articles {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.help-article {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  transition: box-shadow 0.2s, border-color 0.2s;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.help-article:hover {
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.help-article[open] {
  border-color: #1677ff;
  box-shadow: 0 4px 20px rgba(22, 119, 255, 0.1);
}

.help-article-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: #1e293b;
  list-style: none;
  user-select: none;
}

.help-article-q::-webkit-details-marker {
  display: none;
}

.help-article-q:hover {
  color: #1677ff;
}

.help-arrow {
  flex-shrink: 0;
  color: #94a3b8;
  transition: transform 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.help-article[open] .help-arrow {
  transform: rotate(90deg);
  color: #1677ff;
}

.help-article-a {
  padding: 0 22px 22px;
  color: #475569;
  font-size: 14px;
  line-height: 1.7;
}

.help-article-a p {
  margin: 0;
}

/* Empty state */
.help-empty {
  text-align: center;
  padding: 80px 20px;
  background: #fff;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
}

.help-empty-icon {
  font-size: 56px;
  margin-bottom: 16px;
  line-height: 1;
}

.help-empty h3 {
  margin: 0 0 10px;
  font-size: 20px;
  color: #0f172a;
  font-weight: 600;
}

.help-empty p {
  margin: 0 0 20px;
  color: #64748b;
  font-size: 15px;
}

/* ── Responsive ── */
/* Tablet (769px - 1024px): left-right layout, 2-column cards */
@media (max-width: 1024px) {
  .help-sidebar {
    width: 220px !important;
  }
  .help-layout {
    gap: 24px !important;
  }
  .help-home {
    padding: 36px 32px 36px;
    border-radius: 20px;
  }
  .help-home-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 18px !important;
  }
  .help-home-card { padding: 32px 24px 28px; }
  .help-home-card-icon { width: 68px; height: 68px; border-radius: 20px; }
}

/* Small mobile (<= 640px): stacked single-column layout */
@media (max-width: 640px) {
  .help-page-hero { padding: 48px 0 40px; }
  .help-page-hero h1 { font-size: 30px; }
  .help-page-hero p { font-size: 15px; }
  .help-main { padding: 32px 0 64px; }

  .help-layout {
    flex-direction: column !important;
    gap: 28px !important;
  }
  .help-sidebar {
    width: 100% !important;
  }
  .help-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px;
    border-radius: 18px;
  }
  .help-nav-item {
    flex: 1;
    min-width: calc(50% - 8px);
    padding: 12px 14px;
    border-radius: 12px;
  }
  .help-nav-dot {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }
  .help-home {
    padding: 32px 24px 32px;
    border-radius: 18px;
  }
  .help-home-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px !important;
  }
  .help-home-header { margin-bottom: 32px; }
  .help-home-header h2 { font-size: 24px; }
  .help-home-card { padding: 28px 20px 24px; border-radius: 18px; }
  .help-home-card-icon { width: 60px; height: 60px; border-radius: 18px; }
  .help-home-card h3 { font-size: 16px; }
  .help-home-card p { font-size: 13px; }
  .help-home-footer { flex-direction: column; text-align: center; padding: 36px 28px; gap: 20px; }
  .help-home-footer h3 { font-size: 20px; }
  .help-home-footer-icon { width: 68px; height: 68px; border-radius: 20px; }
  .help-home-footer-icon svg { width: 32px; height: 32px; }
  .help-search-inner .input-field { height: 56px; font-size: 14px; padding: 0 20px 0 56px; }
  .help-search-svg { left: 20px; }
}

@media (max-width: 480px) {
  .help-home {
    padding: 28px 20px 28px;
    border-radius: 16px;
  }
  .help-home-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .help-page-hero h1 { font-size: 26px; }
  .help-home-header h2 { font-size: 22px; }
  .help-nav-item { min-width: 100%; }
  .help-home-card { padding: 28px 20px 24px; border-radius: 18px; }
  .help-home-card-icon { width: 64px; height: 64px; border-radius: 18px; }
  .help-article-q { padding: 14px 16px; font-size: 14px; }
  .help-article-a { padding: 0 16px 16px; }
  .help-search-inner .input-field { height: 52px; font-size: 14px; padding-left: 52px; padding-right: 16px; }
  .help-search-svg { left: 18px; }
  .help-home-footer { padding: 32px 24px; }
  .help-home-footer-icon { width: 60px; height: 60px; border-radius: 18px; }
  .help-home-footer-icon svg { width: 28px; height: 28px; }
}

/* ══════════════════════════════════
   Pagination
   ══════════════════════════════════ */
.pagination-container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.pagination-info {
  font-size: 14px;
  color: var(--muted);
  flex-shrink: 0;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: center;
}

.pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s ease;
  cursor: pointer;
}

.pagination-link:hover {
  border-color: var(--blue-600);
  color: var(--blue-600);
  background: var(--blue-50);
}

.pagination-link.active {
  border-color: var(--blue-600);
  background: var(--blue-600);
  color: #fff;
  font-weight: 600;
}

.pagination-link.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination-link.prev,
.pagination-link.next {
  font-weight: 600;
}

.pagination-per-page {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  flex-shrink: 0;
}

.pagination-per-page select {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font-size: 14px;
  cursor: pointer;
}

.pagination-per-page select:focus {
  outline: none;
  border-color: var(--blue-600);
}

@media (max-width: 600px) {
  .pagination-container {
    flex-direction: column;
    gap: 12px;
  }
  .pagination-info {
    display: none;
  }
  .pagination-controls {
    flex-wrap: wrap;
    justify-content: center;
  }
  .pagination-link {
    min-width: 32px;
    height: 32px;
    font-size: 13px;
  }
}