:root {
  --bg: #020814;
  --bg-2: #04101d;
  --bg-3: #071d32;
  --panel: rgba(6, 24, 43, 0.88);
  --panel-strong: rgba(9, 37, 66, 0.92);
  --panel-soft: rgba(7, 22, 38, 0.82);
  --text: #e8f7ff;
  --muted: #9ed2ee;
  --muted-2: #6f9ab9;
  --accent: #2fd7ff;
  --accent-2: #2f78ff;
  --accent-3: #25f5c8;
  --warning: #ffd34d;
  --line: rgba(47, 215, 255, 0.24);
  --line-strong: rgba(47, 215, 255, 0.48);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  --glow: 0 0 24px rgba(47, 215, 255, 0.22);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: min(1320px, calc(100% - 36px));
  --site-header-height: 0px;
  --category-tabs-height: 0px;
  --catalog-sticky-gap: 12px;
  --catalog-scroll-offset: 96px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 10%, rgba(47, 120, 255, 0.2), transparent 20%),
    radial-gradient(circle at 85% 18%, rgba(47, 215, 255, 0.14), transparent 24%),
    radial-gradient(circle at 50% 110%, rgba(37, 245, 200, 0.08), transparent 24%),
    linear-gradient(180deg, #02060f 0%, #030a14 36%, #020814 100%);
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background-image:
    linear-gradient(rgba(47, 215, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 215, 255, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.4), transparent 78%);
}

body::after {
  background:
    radial-gradient(circle at 50% 0%, rgba(47, 215, 255, 0.1), transparent 24%);
}

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

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

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

.site-shell {
  position: relative;
  overflow: clip;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 12px 0;
  background:
    linear-gradient(90deg, rgba(10, 35, 63, 0.96), rgba(4, 18, 33, 0.92) 38%, rgba(10, 35, 63, 0.96));
  border-bottom: 1px solid rgba(47, 215, 255, 0.16);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.site-header::before,
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  pointer-events: none;
}

.site-header::before {
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(47, 215, 255, 0.84), transparent);
}

.site-header::after {
  top: 0;
  background: linear-gradient(90deg, rgba(47, 120, 255, 0.58), transparent 22%, transparent 78%, rgba(47, 120, 255, 0.58));
}

.nav-wrap {
  display: grid;
  grid-template-columns: minmax(0, 300px) 1fr auto;
  align-items: center;
  gap: 18px;
}

.brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand::before {
  content: "";
  position: absolute;
  inset: -14px -22px -14px -18px;
  border: 1px solid rgba(47, 215, 255, 0.18);
  clip-path: polygon(0 0, 88% 0, 100% 50%, 92% 100%, 0 100%, 2% 50%);
  background: linear-gradient(90deg, rgba(47, 120, 255, 0.18), rgba(47, 215, 255, 0.06));
  z-index: -1;
}

.brand-mark {
  position: relative;
  width: 20px;
  height: 20px;
  border: 1px solid rgba(47, 215, 255, 0.84);
  transform: rotate(45deg);
  background: linear-gradient(135deg, rgba(47, 120, 255, 0.5), rgba(47, 215, 255, 0.22));
  box-shadow: var(--glow);
  flex: 0 0 auto;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(232, 247, 255, 0.54);
}

.brand-mark::after {
  inset: 6px;
  border-color: rgba(37, 245, 200, 0.64);
}

.brand-mark.has-logo {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  transform: none;
  overflow: hidden;
  border: 1px solid rgba(47, 215, 255, 0.36);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 28px rgba(8, 20, 35, 0.34);
}

.brand-mark.has-logo::before,
.brand-mark.has-logo::after {
  display: none;
}

.brand-mark.has-logo img {
  display: block;
  width: 100%;
  height: 100%;
  padding: 6px;
  object-fit: contain;
}

.brand-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-copy strong {
  font-family: "Avenir Next", "HarmonyOS Sans SC", "PingFang SC", sans-serif;
  font-size: 28px;
  letter-spacing: 0.04em;
  color: #f4fbff;
  text-shadow: 0 0 12px rgba(47, 215, 255, 0.35);
}

.brand-copy small {
  color: #86c7e6;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
}

.nav a {
  position: relative;
  min-width: 132px;
  min-height: 48px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #d8f6ff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: linear-gradient(180deg, rgba(8, 28, 50, 0.86), rgba(5, 17, 30, 0.96));
  border: 1px solid rgba(47, 215, 255, 0.14);
  clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
  transition: border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(47, 215, 255, 0.84), transparent);
  opacity: 0;
  transition: opacity 0.22s ease;
}

.nav a:hover,
.nav a.is-active {
  border-color: rgba(47, 215, 255, 0.44);
  transform: translateY(-1px);
  box-shadow: inset 0 0 0 1px rgba(47, 215, 255, 0.12), 0 0 28px rgba(47, 215, 255, 0.12);
}

.nav a:hover::after,
.nav a.is-active::after {
  opacity: 1;
}

.hud-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hud-chip {
  min-height: 48px;
  padding: 8px 16px;
  display: grid;
  align-content: center;
  gap: 4px;
  color: #d8f6ff;
  border: 1px solid rgba(47, 215, 255, 0.18);
  background: linear-gradient(180deg, rgba(6, 28, 49, 0.92), rgba(4, 17, 30, 0.92));
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}

.hud-chip span {
  color: #86c7e6;
  font-size: 11px;
  letter-spacing: 0.1em;
}

.hud-chip strong {
  font-size: 18px;
  letter-spacing: 0.04em;
}

.hero {
  position: relative;
  padding: 24px 0 14px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 24% 12%, rgba(47, 120, 255, 0.14), transparent 18%),
    radial-gradient(circle at 76% 18%, rgba(47, 215, 255, 0.1), transparent 20%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-items: stretch;
}

.eyebrow,
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: #52e5ff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.eyebrow::before,
.section-tag::before {
  content: "";
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.hero-copy,
.hero-panel,
.business-card,
.catalog-section,
.workflow-card,
.cta-panel {
  position: relative;
  border: 1px solid rgba(47, 215, 255, 0.16);
  background:
    linear-gradient(180deg, rgba(7, 19, 32, 0.92), rgba(4, 12, 22, 0.96));
  box-shadow:
    inset 0 0 38px rgba(47, 120, 255, 0.08),
    0 0 0 1px rgba(47, 215, 255, 0.04),
    var(--shadow);
  overflow: hidden;
}

.hero-copy::before,
.hero-panel::before,
.business-card::before,
.catalog-section::before,
.workflow-card::before,
.cta-panel::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(47, 215, 255, 0.08);
  pointer-events: none;
  clip-path: polygon(0 16px, 16px 0, calc(100% - 18px) 0, 100% 18px, 100% calc(100% - 18px), calc(100% - 18px) 100%, 18px 100%, 0 calc(100% - 18px));
}

.hero-copy::after,
.hero-panel::after,
.business-card::after,
.catalog-section::after,
.workflow-card::after,
.cta-panel::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(47, 215, 255, 0.88), transparent);
  opacity: 0.8;
}

.hero-copy {
  padding: 28px 30px 24px;
  clip-path: polygon(0 18px, 18px 0, calc(100% - 18px) 0, 100% 18px, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.hero-copy h1 {
  margin: 12px 0 10px;
  max-width: 760px;
  font-family: "Avenir Next", "HarmonyOS Sans SC", "PingFang SC", sans-serif;
  font-size: clamp(44px, 6vw, 72px);
  line-height: 0.92;
  letter-spacing: -0.06em;
  color: #f0fbff;
  text-shadow: 0 0 18px rgba(47, 215, 255, 0.18);
}

.hero-kicker {
  margin: 0 0 10px;
  max-width: 620px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: #cbf7ff;
  text-shadow: 0 0 10px rgba(47, 215, 255, 0.14);
}

.hero-lead,
.section-copy,
.business-card p,
.catalog-head p,
.highlight-card p,
.product-card p,
.workflow-card p,
.cta-panel p {
  color: #6f91a8;
}

.hero-lead {
  margin: 0;
  max-width: 520px;
  font-size: 14px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.hero-panel,
.hero-stats,
#matrix,
#support {
  display: none !important;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid rgba(47, 215, 255, 0.18);
  font-weight: 700;
  color: #eaffff;
  clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(47, 215, 255, 0.52);
}

.btn-primary {
  background: linear-gradient(90deg, rgba(18, 83, 167, 0.92), rgba(22, 199, 255, 0.72));
  box-shadow: inset 0 0 0 1px rgba(232, 247, 255, 0.12), 0 0 24px rgba(47, 215, 255, 0.16);
}

.btn-secondary {
  background: linear-gradient(90deg, rgba(4, 19, 33, 0.92), rgba(7, 35, 62, 0.82));
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.stat-card {
  position: relative;
  padding: 18px;
  border: 1px solid rgba(47, 215, 255, 0.16);
  background:
    linear-gradient(180deg, rgba(8, 31, 54, 0.9), rgba(5, 18, 33, 0.9));
  clip-path: polygon(0 14px, 14px 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.stat-card::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(47, 215, 255, 0.68), transparent);
}

.stat-card strong {
  display: block;
  font-size: 36px;
  letter-spacing: -0.05em;
  color: #ffffff;
}

.stat-card span {
  display: block;
  margin-top: 8px;
  color: #8db9d1;
  font-size: 13px;
}

.hero-panel {
  padding: 30px;
  clip-path: polygon(0 18px, 18px 0, calc(100% - 18px) 0, 100% 18px, 100% calc(100% - 18px), calc(100% - 18px) 100%, 18px 100%, 0 calc(100% - 18px));
  background:
    radial-gradient(circle at 16% 18%, rgba(47, 120, 255, 0.18), transparent 20%),
    radial-gradient(circle at 84% 18%, rgba(47, 215, 255, 0.14), transparent 20%),
    linear-gradient(180deg, rgba(6, 24, 42, 0.96), rgba(4, 14, 26, 0.96));
}

.hero-panel-head {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.hero-panel-head span {
  color: #8ac7e5;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-panel-head strong {
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.04em;
}

.hero-platforms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.platform-pill {
  min-height: 62px;
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  border: 1px solid rgba(47, 215, 255, 0.16);
  background: linear-gradient(90deg, rgba(8, 28, 49, 0.92), rgba(5, 18, 33, 0.92));
  clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
  font-size: 13px;
  font-weight: 700;
  color: #f1fdff;
}

.platform-pill small {
  color: #7ec5e8;
  font-size: 11px;
  font-weight: 600;
}

.hero-highlights {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.highlights-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-end;
}

.highlights-head p,
.highlights-head span {
  margin: 0;
}

.highlights-head p {
  font-size: 18px;
  font-weight: 800;
}

.highlights-head span {
  color: #86c7e6;
  font-size: 12px;
}

.highlight-list {
  display: grid;
  gap: 10px;
}

.highlight-card {
  position: relative;
  padding: 16px 18px;
  border: 1px solid rgba(47, 215, 255, 0.12);
  background: linear-gradient(90deg, rgba(5, 18, 33, 0.96), rgba(9, 40, 68, 0.72));
  clip-path: polygon(0 14px, 14px 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.highlight-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.highlight-top span,
.highlight-top small {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid rgba(47, 215, 255, 0.14);
  background: rgba(47, 215, 255, 0.06);
  font-size: 11px;
}

.highlight-top small {
  color: #fff0aa;
  border-color: rgba(255, 211, 77, 0.28);
  background: rgba(255, 211, 77, 0.08);
}

.highlight-card strong {
  display: block;
  margin-top: 10px;
  font-size: 22px;
  line-height: 1.2;
}

.highlight-card p {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
}

.section {
  position: relative;
  padding: 28px 0;
}

.section::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(47, 215, 255, 0.22), transparent);
}

.section-head {
  max-width: 760px;
  margin-bottom: 14px;
}

.section-head h2,
.cta-panel h2 {
  margin: 12px 0 10px;
  font-family: "Avenir Next", "HarmonyOS Sans SC", "PingFang SC", sans-serif;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: #f0fbff;
  text-shadow: 0 0 14px rgba(47, 215, 255, 0.12);
}

.section-copy {
  margin: 0;
  max-width: 420px;
  font-size: 13px;
  line-height: 1.6;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.business-card {
  min-height: 220px;
  padding: 22px;
  clip-path: polygon(0 16px, 16px 0, calc(100% - 16px) 0, 100% 16px, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.business-card[data-theme="douyin"] {
  box-shadow: inset 0 0 0 1px rgba(47, 215, 255, 0.08), 0 0 24px rgba(47, 215, 255, 0.06);
}

.business-card[data-theme="kuaishou"] {
  box-shadow: inset 0 0 0 1px rgba(255, 211, 77, 0.08), 0 0 24px rgba(255, 211, 77, 0.05);
}

.business-card[data-theme="xiaohongshu"] {
  box-shadow: inset 0 0 0 1px rgba(255, 117, 170, 0.08), 0 0 24px rgba(255, 117, 170, 0.05);
}

.business-card[data-theme="videohao"] {
  box-shadow: inset 0 0 0 1px rgba(47, 120, 255, 0.08), 0 0 24px rgba(47, 120, 255, 0.05);
}

.business-card-content {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  height: 100%;
}

.business-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.business-top span,
.business-meta span,
.meta-badge,
.meta-category,
.product-tags span,
.empty-card span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid rgba(47, 215, 255, 0.12);
  background: rgba(47, 215, 255, 0.06);
  color: #bdeaff;
  font-size: 11px;
  font-weight: 700;
}

.business-top strong {
  font-size: 16px;
  color: #ffffff;
}

.business-card h3 {
  margin: 0;
  font-size: 26px;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: #f2fbff;
  text-shadow: 0 0 10px rgba(47, 215, 255, 0.12);
}

.business-card p {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.business-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.section-dark {
  background:
    linear-gradient(180deg, rgba(2, 8, 20, 0.98), rgba(4, 15, 28, 0.98));
}

.category-tabs {
  position: sticky;
  top: calc(var(--site-header-height, 0px) + var(--catalog-sticky-gap, 12px));
  z-index: 24;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 0 12px;
  background: linear-gradient(180deg, rgba(2, 8, 20, 0.96), rgba(2, 8, 20, 0.82));
  backdrop-filter: blur(10px);
}

.category-tab {
  min-height: 48px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(47, 215, 255, 0.12);
  background: linear-gradient(180deg, rgba(8, 30, 52, 0.86), rgba(5, 17, 31, 0.94));
  clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
  color: #dff8ff;
  cursor: pointer;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.category-tab small {
  color: #78b7d9;
  font-size: 11px;
}

.category-tab:hover,
.category-tab.is-active {
  transform: translateY(-1px);
  border-color: rgba(47, 215, 255, 0.48);
  box-shadow: 0 0 22px rgba(47, 215, 255, 0.14);
}

.category-tab.is-active {
  background: linear-gradient(90deg, rgba(18, 83, 167, 0.88), rgba(22, 199, 255, 0.48));
}

.category-tab.is-active small {
  color: #dff8ff;
}

.catalog-layout {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.catalog-section {
  padding: 22px;
  clip-path: polygon(0 16px, 16px 0, calc(100% - 16px) 0, 100% 16px, 100% calc(100% - 16px), calc(100% - 16px) 100%, 16px 100%, 0 calc(100% - 16px));
}

#products,
.catalog-section {
  scroll-margin-top: var(--catalog-scroll-offset);
}

.catalog-section.is-filtered-out {
  display: none;
}

.catalog-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-end;
  margin-bottom: 18px;
}

.catalog-head h3,
.workflow-card h3 {
  margin: 0;
  font-size: 28px;
  line-height: 1.1;
  color: #f0fbff;
  text-shadow: 0 0 10px rgba(47, 215, 255, 0.12);
}

.catalog-head p {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.55;
}

.catalog-head strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid rgba(47, 215, 255, 0.12);
  background: rgba(47, 215, 255, 0.06);
  color: #dff8ff;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.product-card {
  position: relative;
  padding: 18px;
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  border: 1px solid rgba(47, 215, 255, 0.12);
  background: linear-gradient(180deg, rgba(5, 18, 31, 0.96), rgba(3, 11, 20, 0.98));
  box-shadow:
    inset 0 0 20px rgba(47, 120, 255, 0.05),
    0 14px 28px rgba(0, 0, 0, 0.22);
  clip-path: polygon(0 16px, 16px 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.product-media {
  position: relative;
  width: 132px;
  height: 132px;
  aspect-ratio: auto;
  min-height: 132px;
  padding: 10px;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 18%, rgba(47, 215, 255, 0.16), transparent 18%),
    linear-gradient(180deg, rgba(8, 32, 56, 0.92), rgba(4, 16, 28, 0.96));
  clip-path: polygon(0 14px, 14px 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.product-media::after {
  content: "";
  position: absolute;
  inset: auto 16px 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(47, 215, 255, 0.78), transparent);
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.product-title-link {
  color: inherit;
}

.product-media-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: space-between;
  padding: 12px;
}

.product-media[data-theme="douyin"] {
  background:
    radial-gradient(circle at 20% 16%, rgba(47, 215, 255, 0.2), transparent 22%),
    linear-gradient(180deg, rgba(6, 37, 68, 0.94), rgba(5, 19, 34, 0.98));
}

.product-media[data-theme="kuaishou"] {
  background:
    radial-gradient(circle at 20% 16%, rgba(255, 211, 77, 0.18), transparent 22%),
    linear-gradient(180deg, rgba(46, 33, 8, 0.94), rgba(19, 13, 5, 0.98));
}

.product-media[data-theme="xiaohongshu"] {
  background:
    radial-gradient(circle at 20% 16%, rgba(255, 117, 170, 0.18), transparent 22%),
    linear-gradient(180deg, rgba(49, 12, 28, 0.94), rgba(21, 6, 12, 0.98));
}

.product-media[data-theme="videohao"] {
  background:
    radial-gradient(circle at 20% 16%, rgba(47, 120, 255, 0.18), transparent 22%),
    linear-gradient(180deg, rgba(10, 29, 54, 0.94), rgba(6, 14, 26, 0.98));
}

.placeholder-pill {
  width: fit-content;
}

.placeholder-copy {
  display: grid;
  gap: 6px;
  align-self: end;
}

.placeholder-copy strong {
  color: #ffffff;
  font-size: 16px;
  line-height: 1.2;
}

.placeholder-copy span {
  color: #8fc7e6;
  font-size: 10px;
}

.product-body {
  display: grid;
  min-width: 0;
  gap: 10px;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.meta-category {
  background: rgba(47, 120, 255, 0.08);
}

.meta-badge {
  color: #fff1b7;
  border-color: rgba(255, 211, 77, 0.24);
  background: rgba(255, 211, 77, 0.08);
}

.product-card h4,
.empty-card h4 {
  margin: 0;
  font-size: 19px;
  line-height: 1.28;
  color: #f3fcff;
}

.product-card p,
.empty-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
}

.product-card p {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-footer {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-top: 2px;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.product-price {
  min-width: 116px;
  padding: 8px 10px;
  display: grid;
  gap: 2px;
  border: 1px solid rgba(47, 215, 255, 0.18);
  background: linear-gradient(180deg, rgba(10, 39, 67, 0.92), rgba(6, 20, 35, 0.94));
}

.product-price small {
  color: #8bcde8;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.product-price strong {
  font-size: 22px;
  letter-spacing: -0.04em;
  color: #f8ffff;
  text-shadow: 0 0 12px rgba(47, 215, 255, 0.16);
}

.product-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  min-width: 92px;
  padding: 0 14px;
  color: #eaffff;
  border: 1px solid rgba(47, 215, 255, 0.14);
  background: rgba(47, 215, 255, 0.1);
  clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%);
  font-size: 13px;
  font-weight: 700;
}

.product-action-btn.is-consult {
  border-color: rgba(255, 211, 77, 0.24);
  background: rgba(255, 211, 77, 0.12);
  color: #fff3ba;
}

.empty-card {
  padding: 22px;
  display: grid;
  gap: 12px;
  border: 1px dashed rgba(47, 215, 255, 0.2);
  background: linear-gradient(180deg, rgba(5, 18, 33, 0.92), rgba(4, 13, 24, 0.96));
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.workflow-card {
  padding: 24px;
  clip-path: polygon(0 16px, 16px 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.workflow-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(47, 215, 255, 0.28);
  background: linear-gradient(180deg, rgba(18, 83, 167, 0.88), rgba(22, 199, 255, 0.46));
  box-shadow: 0 0 22px rgba(47, 215, 255, 0.18);
}

.workflow-card h3 {
  margin-top: 16px;
}

.workflow-card p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.8;
}

.cta-panel {
  margin-top: 18px;
  padding: 26px 28px;
  display: grid;
  grid-template-columns: 1.2fr auto;
  gap: 18px;
  align-items: center;
  clip-path: polygon(0 16px, 16px 0, calc(100% - 16px) 0, 100% 16px, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.cta-panel p {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
}

.support-float {
  position: fixed;
  right: 18px;
  top: 50%;
  z-index: 80;
  display: grid;
  justify-items: end;
  gap: 12px;
  transform: translateY(-50%);
}

.support-toggle,
.support-panel {
  position: relative;
  border: 1px solid rgba(47, 215, 255, 0.2);
  background:
    linear-gradient(180deg, rgba(6, 24, 43, 0.96), rgba(3, 13, 23, 0.98));
  box-shadow:
    inset 0 0 24px rgba(47, 120, 255, 0.08),
    0 20px 48px rgba(0, 0, 0, 0.28);
  clip-path: polygon(0 14px, 14px 0, calc(100% - 14px) 0, 100% 14px, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.support-toggle {
  min-width: 78px;
  padding: 16px 12px 14px;
  display: grid;
  gap: 4px;
  justify-items: center;
  color: #eaffff;
  cursor: pointer;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.support-toggle span,
.support-panel-head span,
.support-item span {
  color: #84cbe8;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.support-toggle strong,
.support-panel-head strong,
.support-item strong,
.support-link {
  color: #f3fdff;
  font-size: 14px;
  line-height: 1.4;
}

.support-toggle:hover,
.support-float.is-open .support-toggle {
  transform: translateY(-2px);
  border-color: rgba(47, 215, 255, 0.42);
  box-shadow:
    inset 0 0 24px rgba(47, 120, 255, 0.12),
    0 0 28px rgba(47, 215, 255, 0.14);
}

.support-panel {
  width: min(320px, calc(100vw - 48px));
  padding: 18px 18px 16px;
}

.support-panel[hidden] {
  display: none;
}

.support-panel-head {
  display: grid;
  gap: 6px;
}

.support-panel-copy {
  margin: 12px 0 0;
  color: #8ab9d3;
  font-size: 13px;
  line-height: 1.7;
}

.support-panel-list {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.support-item {
  padding: 12px 14px;
  display: grid;
  gap: 6px;
  border: 1px solid rgba(47, 215, 255, 0.12);
  background: linear-gradient(180deg, rgba(8, 31, 54, 0.74), rgba(4, 16, 29, 0.86));
}

.support-item-qr {
  gap: 10px;
}

.support-qr {
  width: min(100%, 188px);
  padding: 10px;
  border: 1px solid rgba(47, 215, 255, 0.12);
  background: rgba(3, 13, 23, 0.72);
}

.support-qr img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #ffffff;
}

.support-link {
  text-decoration: underline;
  text-decoration-color: rgba(125, 232, 255, 0.42);
}

.site-footer {
  padding: 18px 0 34px;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  color: #7eb3d2;
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.reveal {
  opacity: 1;
  transform: none;
}

.reveal.is-visible {
  animation: rise-in 0.7s ease both;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .nav a,
  .btn,
  .category-tab,
  .reveal.is-visible {
    transition: none;
    animation: none;
  }
}

@media (max-width: 1200px) {
  .nav-wrap {
    grid-template-columns: minmax(0, 260px) 1fr;
  }

  .hud-meta {
    display: none;
  }

  .hero-grid,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  .support-float {
    right: 12px;
  }

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

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

@media (max-width: 860px) {
  .site-header {
    padding: 10px 0;
  }

  .nav-wrap {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }

  .brand::before {
    inset: -10px -14px -10px -10px;
  }

  .brand-copy strong {
    font-size: 22px;
  }

  .hero {
    padding-top: 18px;
  }

  .hero-grid,
  .workflow-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

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

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

  .catalog-head,
  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .support-float {
    top: auto;
    bottom: 18px;
    transform: none;
  }
}

@media (max-width: 640px) {
  body::before {
    background-size: 48px 48px;
  }

  .container {
    width: min(100% - 20px, 1320px);
  }

  .site-header {
    padding: 8px 0;
  }

  .brand {
    gap: 10px;
  }

  .brand::before {
    inset: -6px -10px -6px -8px;
  }

  .brand-mark {
    width: 14px;
    height: 14px;
  }

  .brand-mark.has-logo {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .brand-mark.has-logo img {
    padding: 4px;
  }

  .brand-copy strong {
    font-size: 16px;
  }

  .brand-copy small {
    font-size: 9px;
    letter-spacing: 0.12em;
  }

  .hero {
    padding: 12px 0 8px;
  }

  .hero-grid {
    gap: 0;
  }

  .hero-copy,
  .hero-panel,
  .catalog-section,
  .workflow-card,
  .cta-panel {
    padding: 14px;
  }

  .hero-copy h1 {
    margin: 8px 0 6px;
    font-size: clamp(28px, 10vw, 36px);
  }

  .eyebrow,
  .section-tag {
    gap: 6px;
    font-size: 10px;
    letter-spacing: 0.14em;
  }

  .eyebrow::before,
  .section-tag::before {
    width: 18px;
  }

  .hero-kicker {
    margin: 0 0 6px;
    font-size: 13px;
  }

  .hero-lead,
  .section-copy,
  .workflow-card p,
  .cta-panel p {
    font-size: 12px;
    line-height: 1.65;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 12px;
  }

  .btn {
    width: 100%;
    min-height: 38px;
    padding: 0 10px;
    font-size: 12px;
  }

  .hero-stats {
    gap: 8px;
    margin-top: 14px;
  }

  .stat-card {
    padding: 10px;
  }

  .stat-card strong {
    font-size: 22px;
  }

  .stat-card span {
    margin-top: 4px;
    font-size: 10px;
    line-height: 1.4;
  }

  .hero-panel-head {
    gap: 4px;
    margin-bottom: 12px;
  }

  .hero-panel-head strong {
    font-size: 16px;
  }

  .hero-panel-head span,
  .highlights-head span {
    font-size: 10px;
  }

  .hero-platforms {
    gap: 8px;
  }

  .platform-pill {
    min-height: 48px;
    padding: 8px 10px;
    font-size: 11px;
  }

  .platform-pill small {
    font-size: 9px;
  }

  .highlight-list {
    gap: 8px;
  }

  .highlight-card {
    padding: 10px 12px;
  }

  .highlight-top span,
  .highlight-top small {
    min-height: 24px;
    padding: 0 8px;
    font-size: 9px;
  }

  .highlight-card strong {
    margin-top: 8px;
    font-size: 15px;
  }

  .highlight-card p {
    margin-top: 6px;
    font-size: 11px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }

  .section {
    padding: 20px 0;
  }

  .section-head {
    margin-bottom: 14px;
  }

  .section-head h2,
  .cta-panel h2 {
    margin: 8px 0 8px;
    font-size: 21px;
    line-height: 1.2;
  }

  .business-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .business-card {
    min-height: 126px;
    padding: 12px;
  }

  .business-card h3,
  .catalog-head h3,
  .workflow-card h3 {
    font-size: 16px;
  }

  .business-card p,
  .catalog-head p {
    font-size: 11px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }

  .business-top span,
  .business-meta span,
  .meta-badge,
  .meta-category,
  .product-tags span,
  .empty-card span {
    min-height: 22px;
    padding: 0 7px;
    font-size: 9px;
  }

  .business-top strong {
    font-size: 12px;
  }

  .business-meta {
    gap: 6px;
  }

  .business-meta span:nth-child(n + 3) {
    display: none;
  }

  .category-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    padding: 6px 0 8px;
    top: calc(var(--site-header-height, 0px) + var(--catalog-sticky-gap, 8px));
    z-index: 24;
    background: linear-gradient(180deg, rgba(2, 8, 20, 0.98), rgba(2, 8, 20, 0.92));
  }

  .category-tab {
    min-height: 42px;
    padding: 6px;
    gap: 3px;
    width: 100%;
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }

  .category-tab strong,
  .category-tab small {
    display: block;
    line-height: 1.2;
  }

  .category-tab strong {
    font-size: 10px;
  }

  .category-tab small {
    font-size: 9px;
  }

  .catalog-layout {
    gap: 10px;
    margin-top: 12px;
  }

  .catalog-section {
    padding: 12px;
  }

  .catalog-head {
    gap: 8px;
    margin-bottom: 12px;
  }

  .catalog-head strong {
    min-width: 70px;
    min-height: 32px;
    font-size: 11px;
  }

  .product-grid {
    gap: 8px;
  }

  .product-card {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 8px;
    padding: 10px;
    align-items: start;
  }

  .product-media {
    width: 84px;
    min-height: 84px;
    height: 84px;
  }

  .product-media-placeholder {
    padding: 8px;
  }

  .placeholder-pill {
    font-size: 8px;
  }

  .placeholder-copy strong {
    display: none;
  }

  .placeholder-copy span {
    font-size: 9px;
    line-height: 1.35;
  }

  .product-body {
    gap: 6px;
  }

  .product-card h4,
  .empty-card h4 {
    font-size: 15px;
    line-height: 1.24;
  }

  .product-card h4 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }

  .product-card p,
  .empty-card p {
    font-size: 10px;
    line-height: 1.5;
  }

  .product-card p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
  }

  .product-tags {
    gap: 4px;
  }

  .product-footer {
    gap: 6px;
    align-items: flex-end;
  }

  .product-footer strong {
    font-size: 15px;
  }

  .product-price {
    min-width: 86px;
    padding: 6px 8px;
  }

  .product-price small {
    font-size: 8px;
  }

  .product-actions {
    display: grid;
    gap: 6px;
  }

  .product-action-btn {
    min-height: 28px;
    padding: 0 8px;
    font-size: 10px;
    white-space: nowrap;
  }

  .workflow-grid {
    gap: 8px;
  }

  .workflow-card {
    padding: 12px;
  }

  .workflow-card span {
    width: 34px;
    height: 34px;
    font-size: 12px;
  }

  .workflow-card h3 {
    margin-top: 10px;
    font-size: 15px;
  }

  .cta-panel {
    gap: 12px;
  }

  .support-float {
    right: 10px;
    bottom: 12px;
    gap: 8px;
  }

  .support-toggle {
    min-width: 66px;
    padding: 12px 10px;
  }

  .support-toggle strong {
    font-size: 12px;
  }

  .support-panel {
    width: min(280px, calc(100vw - 20px));
    padding: 14px;
  }

  .support-panel-copy {
    font-size: 12px;
    line-height: 1.65;
  }

  .support-item {
    padding: 10px 12px;
  }

  .support-qr {
    width: min(100%, 160px);
    padding: 8px;
  }

  .footer-wrap {
    gap: 8px;
    font-size: 11px;
  }
}