:root {
  --bg: #04060b;
  --bg-soft: #0a1220;
  --surface: #0d1628;
  --text: #f2f6ff;
  --muted: #9ba9c7;
  --line: #24314a;
  --primary: #2f7fff;
  --primary-soft: #78a8ff;
  --accent: #ff962e;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.container {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
}

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(4, 6, 11, 0.72);
  backdrop-filter: blur(10px);
}

.topbar-inner {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
}

nav {
  display: flex;
  gap: 22px;
}

nav a {
  color: var(--muted);
  font-size: 14px;
  transition: color 0.2s ease;
}

nav a:hover {
  color: var(--text);
}

.section {
  padding: 108px 0;
}

.section.dark {
  background: linear-gradient(to bottom, #060a13 0%, #080d18 100%);
}

.ac53-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: stretch;
}

.ac53-copy,
.ac53-media {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(11, 17, 30, 0.9);
  padding: 24px;
}

.ac53-copy h2 {
  margin: 10px 0 12px;
  font-size: clamp(30px, 4vw, 48px);
}

.ac53-sub {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.ac53-tags {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ac53-tags span {
  font-size: 12px;
  color: #d5e1ff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(47, 127, 255, 0.12);
}

.ac53-controls {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(15, 24, 41, 0.9);
  color: #d8e4ff;
  border-radius: 999px;
  height: 34px;
  padding: 0 12px;
  cursor: pointer;
  font-size: 12px;
}

.chip.is-active {
  border-color: rgba(47, 127, 255, 0.64);
  background: rgba(47, 127, 255, 0.2);
  color: #fff;
}

.ac53-media img {
  width: 100%;
  max-height: 380px;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: block;
  background: rgba(5, 9, 16, 0.72);
}

#ac53-3d-canvas {
  display: block;
  margin-top: 12px;
  width: 100%;
  height: 260px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: radial-gradient(circle at 50% 0%, rgba(47, 127, 255, 0.18), rgba(5, 9, 16, 0.95));
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding-top: 100px;
  background:
    radial-gradient(circle at 78% 18%, rgba(47, 127, 255, 0.33), transparent 36%),
    radial-gradient(circle at 15% 80%, rgba(255, 150, 46, 0.16), transparent 44%),
    linear-gradient(125deg, #050913, #081327 52%, #04070d);
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  filter: saturate(1.05) contrast(1.04);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.8;
  mask-image: radial-gradient(circle at center, #000 35%, transparent 95%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(4, 6, 11, 0.14), rgba(4, 6, 11, 0.95));
}

.hero-content {
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0;
  color: #aec3ed;
  letter-spacing: 1px;
  font-size: 13px;
  text-transform: uppercase;
}

h1 {
  margin: 14px 0 18px;
  font-size: clamp(38px, 6.2vw, 78px);
  line-height: 1.05;
}

.hero-desc {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  line-height: 1.74;
  font-size: 18px;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid transparent;
  height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: linear-gradient(120deg, var(--primary), var(--primary-soft));
  color: #fff;
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.26);
  color: #eaf1ff;
  background: transparent;
}

.hero-metrics {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.hero-metrics article {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 14px;
  background: rgba(12, 20, 36, 0.58);
}

.hero-metrics strong {
  display: block;
  font-size: 24px;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 12px;
}

.swiss-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 28px;
  align-items: start;
}

.section-intro h2 {
  margin: 10px 0 18px;
  font-size: clamp(28px, 3.8vw, 46px);
}

.section-intro p {
  color: var(--muted);
  line-height: 1.74;
}

.section-title {
  margin: 10px 0 34px;
  font-size: clamp(30px, 4vw, 50px);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px;
  background: linear-gradient(140deg, rgba(14, 22, 40, 0.95), rgba(9, 14, 24, 0.92));
}

.card h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.card span {
  display: inline-block;
  margin-top: 16px;
  color: #d2ddf9;
  font-size: 13px;
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.shop-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(11, 17, 30, 0.9);
  padding: 14px;
}

.shop-card img {
  width: 100%;
  height: clamp(170px, 18vw, 230px);
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 12, 21, 0.86);
}

.img-switches {
  margin-top: 8px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.img-switch {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(12, 19, 33, 0.86);
  color: #cfe0ff;
  border-radius: 999px;
  font-size: 11px;
  height: 26px;
  padding: 0 10px;
  cursor: pointer;
}

.img-switch.is-active {
  border-color: rgba(47, 127, 255, 0.62);
  background: rgba(47, 127, 255, 0.2);
  color: #fff;
}

.shop-card h3 {
  margin: 12px 0 8px;
}

.shop-card p {
  margin: 0;
  color: var(--muted);
  min-height: 42px;
  line-height: 1.6;
  font-size: 14px;
}

.shop-card strong {
  margin-top: 10px;
  display: block;
  font-size: 24px;
}

.shop-card a {
  margin-top: 10px;
  display: inline-block;
  font-size: 13px;
  color: #c8d9ff;
}

.shop-actions {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.shop-add {
  height: 30px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(12, 19, 33, 0.9);
  color: #dbe7ff;
  padding: 0 12px;
  cursor: pointer;
  font-size: 12px;
}

.shop-card.active {
  border-color: rgba(47, 127, 255, 0.62);
  box-shadow: 0 6px 24px rgba(47, 127, 255, 0.2);
}

.shop-card-hot {
  border-color: rgba(255, 150, 46, 0.48);
  box-shadow: 0 8px 28px rgba(255, 150, 46, 0.14);
}

.compare-wrap {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  background: rgba(11, 17, 30, 0.88);
}

.compare-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.compare-tab {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 8px 16px;
  background: #0c1322;
  color: #d6e4ff;
  cursor: pointer;
}

.compare-tab.is-active {
  background: rgba(47, 127, 255, 0.22);
  border-color: rgba(47, 127, 255, 0.55);
  color: #ffffff;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.compare-card {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 14px;
  background: rgba(8, 13, 23, 0.82);
}

.compare-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.compare-card strong {
  margin-top: 8px;
  display: block;
  font-size: 18px;
  line-height: 1.45;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.bento-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  background: linear-gradient(160deg, rgba(13, 20, 34, 0.95), rgba(9, 13, 25, 0.92));
  min-height: 210px;
}

.bento-card h3 {
  margin: 0 0 10px;
  font-size: 24px;
}

.bento-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.bento-card ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: #d3defb;
}

.bento-card li {
  margin: 4px 0;
}

.bento-lg {
  grid-column: span 2;
  grid-row: span 2;
  min-height: 430px;
}

.scene-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.scene-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: rgba(12, 18, 32, 0.86);
}

.scene-media {
  width: 180px;
  height: 120px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  flex-shrink: 0;
}

.scene-item h3 {
  margin: 0 0 8px;
  font-size: 23px;
}

.scene-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.66;
}

.scene-item a {
  color: #c5d6fe;
  white-space: nowrap;
}

.stepbar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.step {
  border: 1px solid var(--line);
  border-radius: 999px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 13px;
  background: rgba(12, 19, 33, 0.68);
}

.step.is-active {
  color: #fff;
  border-color: rgba(47, 127, 255, 0.6);
  background: rgba(47, 127, 255, 0.2);
}

.config-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  background: rgba(11, 17, 30, 0.9);
}

.panel h3 {
  margin: 0 0 18px;
  font-size: 24px;
}

form {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 8px;
  color: #c7d7f9;
  font-size: 14px;
}

label.is-disabled {
  opacity: 0.55;
}

label.legacy-field-hidden {
  display: none;
}

select,
input {
  width: 100%;
  height: 42px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: #0d1423;
  color: #ecf3ff;
  padding: 0 10px;
}

.panel-actions {
  margin-top: 8px;
}

.addon-catalog {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(10, 15, 27, 0.76);
}

.addon-catalog-title {
  margin: 0;
  font-size: 13px;
  color: #d7e5ff;
}

.addon-options-tip {
  margin: 6px 0 0;
  font-size: 12px;
  color: #9db1d9;
}

.standard-package-tip {
  margin: 6px 0 0;
  font-size: 12px;
  color: #b9d7ff;
  line-height: 1.5;
}

.addon-options {
  margin-top: 8px;
  display: grid;
  gap: 6px;
}

.addon-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 8px 10px;
  background: rgba(10, 16, 28, 0.82);
}

.addon-option label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: #dbe7ff;
  font-size: 13px;
}

.addon-option input[type="checkbox"] {
  width: 14px;
  height: 14px;
}

.addon-option-meta {
  color: #9fb3db;
  font-size: 11px;
}

.quote-box {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 12px 14px;
}

.quote-box p {
  margin: 8px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #c8d5f3;
}

.quote-box p.total {
  margin-top: 12px;
  border-top: 1px dashed rgba(255, 255, 255, 0.16);
  padding-top: 12px;
}

.quote-box p.total strong {
  font-size: 24px;
  color: #fff;
}

.payload-block {
  margin-top: 14px;
}

.payload-block p {
  margin: 0 0 10px;
  color: var(--muted);
}

.payload-block.hidden {
  display: none;
}

.payload-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.payload-toggle {
  height: 26px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(12, 19, 33, 0.9);
  color: #dbe7ff;
  padding: 0 10px;
  cursor: pointer;
  font-size: 11px;
}

pre {
  margin: 0;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #0b1220;
  color: #cfe1ff;
  padding: 14px;
  font-size: 12px;
  line-height: 1.65;
  min-height: 250px;
  overflow: auto;
}

.payload-pre.collapsed {
  min-height: 120px;
  max-height: 120px;
}

.status-text {
  margin: 12px 0 0;
  color: #c6d7fb;
  font-size: 13px;
}

.order-track {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  background: rgba(11, 17, 30, 0.9);
}

.advanced-block {
  margin-top: 14px;
}

.advanced-block.hidden {
  display: none;
}

.order-track.collapsed {
  display: none;
}

.order-track h3 {
  margin: 0 0 14px;
  font-size: 22px;
}

.track-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-bottom: 12px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.trust-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  background: rgba(13, 20, 34, 0.86);
}

.trust-card h3 {
  margin: 0 0 10px;
}

.trust-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.cta-section {
  background:
    radial-gradient(circle at 15% 20%, rgba(47, 127, 255, 0.26), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(255, 150, 46, 0.15), transparent 48%);
}

.cta-box {
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 18px;
  padding: 36px;
  background: rgba(6, 10, 18, 0.82);
}

.cta-box h2 {
  margin: 8px 0 12px;
  font-size: clamp(30px, 3.9vw, 48px);
}

.cta-box p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  max-width: 780px;
}

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 28px 0 44px;
  color: #98a7c8;
  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.cart-float {
  position: fixed;
  right: 16px;
  bottom: 18px;
  width: min(320px, calc(100vw - 24px));
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: rgba(9, 14, 25, 0.93);
  backdrop-filter: blur(8px);
  padding: 14px;
  z-index: 80;
}

.cart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.cart-float h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.cart-toggle {
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(13, 21, 37, 0.9);
  color: #dce7ff;
  border-radius: 999px;
  height: 28px;
  padding: 0 10px;
  font-size: 12px;
  cursor: pointer;
}

.cart-body {
  display: block;
}

.cart-float.is-collapsed {
  width: auto;
  min-width: 176px;
  padding: 10px 12px;
}

.cart-float.is-collapsed h3 {
  margin-bottom: 0;
}

.cart-float.is-collapsed .cart-body {
  display: none;
}

.cart-list {
  max-height: 140px;
  overflow: auto;
  display: grid;
  gap: 6px;
}

.cart-item {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 8px;
  display: grid;
  gap: 8px;
  font-size: 12px;
  color: #dbe7ff;
}

.cart-item-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.cart-item-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-qty {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cart-op {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(12, 19, 33, 0.9);
  color: #dbe7ff;
  cursor: pointer;
  line-height: 1;
}

.cart-remove {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(12, 19, 33, 0.9);
  color: #c8d9ff;
  border-radius: 999px;
  padding: 0 10px;
  height: 24px;
  cursor: pointer;
  font-size: 11px;
}

.cart-total {
  margin: 10px 0;
  color: #c9d8f9;
}

.cart-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.wechat-float {
  position: fixed;
  left: 16px;
  bottom: 18px;
  z-index: 79;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(81, 221, 141, 0.5);
  background: linear-gradient(130deg, rgba(18, 167, 84, 0.94), rgba(45, 192, 109, 0.95));
  color: #f5fff8;
  font-size: 14px;
  padding: 0 16px;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.28);
}

.wechat-modal {
  width: min(460px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: #0b1220;
  padding: 18px;
}

.wechat-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.wechat-modal h3 {
  margin: 0;
  font-size: 22px;
}

.wechat-close-icon {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(15, 23, 40, 0.9);
  color: #e1ecff;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.wechat-qr-wrap {
  margin-top: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(9, 15, 28, 0.96);
  padding: 14px;
}

#wechat-qr-image {
  width: min(260px, 100%);
  aspect-ratio: 1 / 1;
  border-radius: 10px;
  background: #101b31;
  display: block;
  margin: 0 auto;
  object-fit: contain;
}

.wechat-mobile-hint {
  display: none;
  margin: 10px auto 0;
  width: fit-content;
  max-width: 100%;
  border-radius: 999px;
  border: 1px solid rgba(88, 222, 145, 0.42);
  background: rgba(20, 157, 79, 0.2);
  color: #c8ffd9;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
}

.wechat-fallback {
  margin-top: 12px;
  border-radius: 10px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04);
  color: #d3e2ff;
  font-size: 13px;
  line-height: 1.7;
}

.wechat-fallback p {
  margin: 0;
}

.wechat-fallback p + p {
  margin-top: 4px;
}

.copy-link {
  border: none;
  background: transparent;
  color: #9ec2ff;
  padding: 0;
  margin: 0;
  cursor: pointer;
}

.copy-link:hover {
  color: #d9e9ff;
}

.copy-status {
  min-height: 18px;
  color: #a7f5be;
  font-size: 12px;
}

.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(4, 6, 11, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 14px;
}

.modal-mask.open {
  display: flex;
}

.checkout-modal {
  width: min(460px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: #0b1220;
  padding: 18px;
}

.checkout-modal h3 {
  margin: 0;
  font-size: 22px;
}

.modal-tip {
  margin: 8px 0 12px;
  color: var(--muted);
  font-size: 13px;
}

.checkout-modal form {
  display: grid;
  gap: 10px;
}

.checkout-modal label {
  font-size: 13px;
  color: #c9d8f9;
}

.checkout-modal input {
  margin-top: 6px;
}

.modal-actions {
  margin-top: 14px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.72s ease, transform 0.72s ease;
}

@media (max-width: 1080px) {
  .swiss-grid {
    grid-template-columns: 1fr;
  }

  .bento-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bento-lg {
    grid-column: span 2;
    min-height: 250px;
  }

  .config-grid,
  .shop-grid,
  .compare-grid,
  .trust-grid,
  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .ac53-hero {
    grid-template-columns: 1fr;
  }

  .track-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  nav {
    display: none;
  }

  .section {
    padding: 80px 0;
  }

  .product-grid,
  .stepbar,
  .bento-grid {
    grid-template-columns: 1fr;
  }

  .bento-lg {
    grid-column: auto;
    grid-row: auto;
  }

  .scene-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .scene-media {
    width: 100%;
    height: 190px;
  }

  .cart-float {
    left: 12px;
    right: 12px;
    width: auto;
    bottom: 10px;
  }

  .cart-float.is-collapsed {
    left: auto;
    right: 12px;
    min-width: 148px;
  }

  .wechat-float {
    left: 12px;
    bottom: 72px;
  }

  .wechat-mobile-hint {
    display: block;
  }
}