/* 望舒文化官网 — 新中式极简 + 轻量化科技风 */
:root {
  --moon: #f4f6f8;
  --moon-warm: #eef1f4;
  --paper: #fafbfc;
  --daiqing: #5a7d8c;
  --daiqing-deep: #4a6b78;
  --sea: #1e3347;
  --sea-deep: #152535;
  --accent: #3d6b7a;
  --gold-muted: #b8a88a;
  --text: #2a3540;
  --text-soft: #5c6b75;
  --border: rgba(90, 125, 140, 0.18);
  --shadow: 0 8px 32px rgba(30, 51, 71, 0.06);
  --shadow-hover: 0 16px 48px rgba(30, 51, 71, 0.1);
  --radius: 12px;
  --radius-lg: 20px;
  --header-h: 72px;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--paper);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: min(1180px, 100%);
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 24px);
}

/* —— Header —— */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(244, 246, 248, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sea) 0%, var(--daiqing) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--moon);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.logo-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--sea);
  letter-spacing: 0.08em;
}

.logo-sub {
  font-size: 0.68rem;
  color: var(--text-soft);
  letter-spacing: 0.12em;
}

.nav-desktop {
  display: flex;
  gap: 6px;
}

.nav-desktop a {
  padding: 8px 14px;
  font-size: 0.9rem;
  color: var(--text-soft);
  border-radius: 8px;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--sea);
  background: rgba(90, 125, 140, 0.08);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--sea);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--moon);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.nav-mobile.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav-mobile a {
  padding: 12px 16px;
  font-size: 1rem;
  color: var(--text);
  border-radius: 8px;
}

.nav-mobile a:hover,
.nav-mobile a.active {
  background: rgba(30, 51, 71, 0.06);
  color: var(--sea);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
  background: linear-gradient(165deg, var(--moon) 0%, var(--moon-warm) 45%, rgba(90, 125, 140, 0.12) 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 70% 20%, rgba(61, 107, 122, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 10% 80%, rgba(30, 51, 71, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    linear-gradient(var(--daiqing) 1px, transparent 1px),
    linear-gradient(90deg, var(--daiqing) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 20%, transparent 85%);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(200px, 0.85fr);
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
  width: 100%;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  max-width: 680px;
}

.hero-moon {
  position: relative;
  justify-self: center;
  align-self: center;
  width: min(300px, 100%);
  max-width: 320px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, #fffdf8 0%, #f7f0e4 38%, #ebe3d4 72%, #ddd4c4 100%);
  box-shadow:
    0 0 48px rgba(220, 205, 175, 0.28),
    0 0 96px rgba(235, 225, 205, 0.18),
    inset -8px -12px 24px rgba(180, 165, 140, 0.1);
  animation: moon-float 8s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes moon-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(0.88rem, 1.6vw, 1rem);
  letter-spacing: 0.2em;
  color: var(--daiqing);
  margin-bottom: 24px;
}

.hero-tag::before {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--daiqing);
  flex-shrink: 0;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 4.8vw, 2.85rem);
  font-weight: 600;
  color: var(--sea);
  line-height: 1.25;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
  white-space: nowrap;
}

.hero-sub {
  font-size: clamp(0.82rem, 1.35vw + 0.45rem, 1.28rem);
  color: var(--daiqing-deep);
  margin-bottom: 22px;
  letter-spacing: 0.03em;
  line-height: 1.5;
  white-space: nowrap;
}

.hero-desc {
  font-size: clamp(1rem, 1.8vw, 1.12rem);
  color: var(--text-soft);
  max-width: 100%;
  margin-bottom: 36px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.hero-actions .btn {
  font-size: 1rem;
  padding: 14px 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 0.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.06em;
}

.btn-primary {
  background: var(--sea);
  color: var(--moon);
  border-color: var(--sea);
}

.btn-primary:hover {
  background: var(--sea-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-outline {
  background: transparent;
  color: var(--sea);
  border-color: var(--daiqing);
}

.btn-outline:hover {
  background: rgba(90, 125, 140, 0.1);
}

/* —— Page hero —— */
.page-hero {
  padding: calc(var(--header-h) + 64px) 0 56px;
  background: linear-gradient(180deg, var(--moon) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.page-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--daiqing), transparent);
  border-radius: 2px;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  color: var(--sea);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--text-soft);
  max-width: 560px;
  font-size: 0.95rem;
}

.breadcrumb {
  font-size: 0.8rem;
  color: var(--text-soft);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.breadcrumb a:hover {
  color: var(--daiqing);
}

/* —— Sections —— */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--moon);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-label {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--daiqing);
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--sea);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-desc {
  color: var(--text-soft);
  max-width: 560px;
  margin-inline: auto;
  font-size: 0.95rem;
}

/* —— Cards —— */
.card-grid {
  display: grid;
  gap: 24px;
}

.card-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

.card-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}

/* 5 项矩阵：上排 3、下排 2 居中对称（核心优势 / 核心产品） */
.card-grid-5 {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.card-grid-5 > .card {
  grid-column: span 2;
}

.card-grid-5 > .card:nth-child(4) {
  grid-column: 2 / span 2;
}

.card-grid-5 > .card:nth-child(5) {
  grid-column: 4 / span 2;
}

.card-grid-6 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card-grid .card > p:last-of-type,
.card-grid .card p:not(:only-child) {
  flex: 1;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--daiqing), var(--sea));
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(90, 125, 140, 0.3);
}

.card:hover::before {
  opacity: 1;
}

.card-num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: rgba(90, 125, 140, 0.2);
  line-height: 1;
  margin-bottom: 12px;
}

.card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--sea);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.card p {
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.7;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(30, 51, 71, 0.08), rgba(90, 125, 140, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* —— Tags —— */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 32px;
}

.tag {
  padding: 8px 18px;
  font-size: 0.85rem;
  color: var(--sea);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  letter-spacing: 0.04em;
}

/* —— Intro —— */
.intro-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.intro-visual {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.intro-visual picture {
  display: block;
  width: 100%;
  height: 100%;
}

.intro-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.intro-text h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--sea);
  margin-bottom: 20px;
  letter-spacing: 0.06em;
}

.intro-text p {
  color: var(--text-soft);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.prose-narrow {
  max-width: 900px;
  margin-inline: auto;
}

.prose-narrow p:last-child {
  margin-bottom: 0;
}

/* —— Product —— */
.product-card .product-badge {
  font-size: 0.75rem;
  color: var(--daiqing);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
  flex-shrink: 0;
}

/* —— 产品图 / APP 截图 —— */
.card.card-media {
  padding: 0;
}

.card-media-img {
  margin: 0;
  background: var(--moon-warm);
  aspect-ratio: 9 / 11;
  max-height: 240px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.card-media-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.card-media-body {
  padding: 22px 20px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-app-scroll {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(10px, 2vw, 24px);
  width: 100%;
  padding-bottom: 8px;
  margin-bottom: 32px;
}

.product-app-item {
  width: 100%;
  min-width: 0;
  text-align: center;
  text-decoration: none;
  color: inherit;
}

.product-app-item img,
.service-app-icon img {
  width: min(100%, clamp(52px, 14vw, 84px));
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 22%;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--moon-warm);
  display: block;
  margin-inline: auto;
}

.product-app-item .product-app-name,
.service-app-icon .product-app-name {
  display: block;
  margin-top: 10px;
  padding-bottom: 2px;
  font-family: var(--font-serif);
  font-size: clamp(0.72rem, 2.4vw, 0.88rem);
  color: var(--sea);
  line-height: 1.4;
  white-space: nowrap;
}

.app-status {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.62rem;
  font-family: var(--font-sans);
  line-height: 1.4;
  border-radius: 999px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.product-app-item .app-status,
.service-app-icon .app-status {
  display: block;
  width: fit-content;
  margin: 4px auto 0;
  font-size: clamp(0.56rem, 1.6vw, 0.66rem);
}

.app-status--soon {
  color: var(--sea);
  background: rgba(61, 107, 122, 0.12);
  border: 1px solid rgba(61, 107, 122, 0.28);
}

.app-status--plan {
  color: var(--text-soft);
  background: var(--paper);
  border: 1px solid var(--border);
}

.product-intro {
  max-width: 820px;
  margin: 0 auto 48px;
  text-align: center;
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.85;
}

.product-list {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 4vw, 40px);
  margin-bottom: 48px;
}

.product-row {
  display: grid;
  grid-template-columns: minmax(160px, 240px) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  padding: clamp(24px, 4vw, 36px);
  background: var(--moon);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.product-row--reverse {
  grid-template-columns: minmax(0, 1fr) minmax(200px, 280px);
}

.product-row--reverse .product-row-media {
  order: 2;
}

.product-row--reverse .product-row-body {
  order: 1;
}

.product-row-media {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(12px, 2vw, 20px);
}

.product-app-thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: clamp(140px, 20vw, 200px);
}

.product-app-thumb .app-version {
  margin-top: 12px;
  width: 100%;
  text-align: center;
  font-size: clamp(0.9rem, 2.4vw, 1rem);
  font-family: var(--font-sans);
  font-weight: 500;
  line-height: 1;
  color: var(--sea);
  letter-spacing: 0.14em;
}

.product-row-media img {
  width: clamp(140px, 20vw, 200px);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 22%;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--moon-warm);
}

.product-row-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.product-row-body h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
  color: var(--sea);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.product-row-body h3 .app-status {
  margin-left: 0;
  font-weight: 400;
  font-size: 0.72rem;
  flex-shrink: 0;
}

.product-row-body > p {
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.product-features {
  list-style: none;
  margin-bottom: 24px;
  width: 100%;
}

.product-features li {
  position: relative;
  padding-left: 18px;
  color: var(--daiqing-deep);
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 6px;
}

.product-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--daiqing);
}

.product-row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: auto;
  width: 100%;
}

.product-row-actions .btn {
  min-width: 160px;
}

.service-card {
  padding: clamp(24px, 4vw, 36px);
  background: var(--moon);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.service-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px 28px;
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}

.service-card-head-main {
  flex: 1 1 320px;
  min-width: 0;
}

.service-card-head-main .product-badge {
  display: block;
  margin-bottom: 10px;
}

.service-card-head-main h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
  color: var(--sea);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.service-card-head-main p {
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.85;
  margin: 0;
  max-width: 720px;
}

.service-card-actions {
  flex-shrink: 0;
  align-self: center;
}

.service-app-icons {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(12px, 2.4vw, 28px);
  padding: 20px clamp(12px, 3vw, 28px);
  margin: 0 0 20px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
}

.service-app-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-width: 0;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition);
}

.service-app-icon:hover {
  transform: translateY(-3px);
}

.service-app-icon span {
  font-family: var(--font-serif);
  font-size: clamp(0.72rem, 2.2vw, 0.8rem);
  color: var(--sea);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.service-card .service-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 20px;
  overflow: visible;
}

.service-card .service-gallery figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--moon-warm);
  box-shadow: var(--shadow);
}

.service-card .service-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  display: block;
}

.service-card .service-gallery figcaption {
  padding: 8px 10px;
  font-size: 0.75rem;
  color: var(--text-soft);
  text-align: center;
  background: var(--paper);
  border-top: 1px solid var(--border);
  line-height: 1.4;
}

.case-gallery {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  width: 100%;
}

.service-card-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 0;
  padding: 14px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.service-card-features li::before {
  position: static;
  flex-shrink: 0;
  margin-top: calc((1.75em - 6px) / 2);
}

/* —— 下载页 —— */
.download-layout {
  display: grid;
  grid-template-columns: minmax(160px, 220px) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
  align-items: center;
  padding: clamp(28px, 4vw, 40px);
  background: var(--moon);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.download-aside {
  display: flex;
  justify-content: center;
}

.download-app-thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: clamp(140px, 18vw, 180px);
  margin: 0;
}

.download-app-thumb img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 22%;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--moon-warm);
}

.download-app-thumb .app-version {
  margin-top: 12px;
  width: 100%;
  text-align: center;
  font-size: clamp(0.9rem, 2.4vw, 1rem);
  font-family: var(--font-sans);
  font-weight: 500;
  line-height: 1;
  color: var(--sea);
  letter-spacing: 0.14em;
}

.download-panel h2 {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
  color: var(--sea);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.download-panel h2 .app-status {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 400;
}

.download-desc {
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 22px;
}

.download-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.download-specs li {
  padding: 14px 12px;
  text-align: center;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.download-specs li span {
  display: block;
  margin-bottom: 6px;
  font-size: 0.72rem;
  color: var(--daiqing);
  letter-spacing: 0.06em;
}

.download-specs li strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--sea);
  letter-spacing: 0.02em;
}

.download-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 24px;
}

.download-wechat {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.download-wechat img {
  width: 96px;
  height: 96px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  flex-shrink: 0;
}

.download-wechat p {
  flex: 1;
  min-width: 180px;
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.7;
}

.download-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  padding-top: 4px;
}

.download-foot a {
  font-size: 0.88rem;
  color: var(--daiqing);
  text-decoration: none;
  transition: color var(--transition);
}

.download-foot a:hover {
  color: var(--sea);
}

/* —— 在线工具页 —— */
.online-panel {
  padding: clamp(28px, 4vw, 40px);
  background: var(--moon);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.online-tool-frame {
  min-height: min(56vh, 520px);
  margin-bottom: 24px;
  padding: clamp(32px, 5vw, 48px);
  background: var(--paper);
  border: 1px dashed rgba(90, 125, 140, 0.35);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.online-tool-placeholder h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  color: var(--sea);
  margin-bottom: 12px;
  letter-spacing: 0.06em;
}

.online-tool-placeholder p {
  max-width: 420px;
  margin: 0 auto 24px;
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.75;
}

.online-tool-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.online-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* —— 公众号二维码 —— */
.wechat-section {
  background: var(--moon);
}

.wechat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.wechat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
}

.wechat-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--sea);
  margin-bottom: 8px;
}

.wechat-platform {
  font-size: 0.85rem;
  color: var(--daiqing);
  margin-bottom: 14px;
}

.wechat-card .wechat-desc {
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 320px;
}

.wechat-qr {
  width: 168px;
  height: 168px;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.wechat-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.wechat-qr-tip {
  margin-top: 12px;
  font-size: 0.88rem;
  color: var(--sea);
  line-height: 1.5;
}

.wechat-qr-tip strong {
  display: block;
  margin-top: 4px;
}

.wechat-replace-hint {
  font-size: 0.72rem;
  color: var(--text-soft);
  margin-top: 10px;
  opacity: 0.8;
}

.footer-wechat {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 16px;
  margin-top: 18px;
}

.footer-qr-item {
  text-align: center;
}

.footer-qr-item img {
  width: 64px;
  height: 64px;
  border-radius: 6px;
  background: #fff;
  padding: 3px;
}

.footer-qr-item span {
  display: block;
  font-size: 0.65rem;
  opacity: 0.7;
  margin-top: 4px;
}

.nav-desktop a.nav-wechat,
.nav-mobile a.nav-wechat {
  color: var(--sea);
  border: 1px solid var(--border);
  background: rgba(90, 125, 140, 0.06);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
}

/* —— Brand flow —— */
.brand-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 20px;
  margin-top: 40px;
  padding: 28px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.brand-flow span {
  font-size: 0.9rem;
  color: var(--text-soft);
}

.brand-flow .arrow {
  color: var(--daiqing);
  font-size: 1.2rem;
}

/* —— Culture —— */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.culture-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 36px 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  height: 100%;
}

.culture-item h4 {
  font-family: var(--font-serif);
  color: var(--sea);
  margin-bottom: 16px;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.culture-item p {
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.75;
  margin: 0;
  max-width: 16em;
  letter-spacing: 0.04em;
}

.quote-block {
  padding: 40px;
  background: linear-gradient(135deg, var(--sea) 0%, var(--daiqing-deep) 100%);
  border-radius: var(--radius-lg);
  color: var(--moon);
  margin: 40px 0;
}

.quote-block cite {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: normal;
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}

.quote-block p {
  font-size: 0.95rem;
  opacity: 0.92;
  line-height: 1.8;
}

/* —— Cases —— */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.case-item {
  aspect-ratio: 16/10;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--moon-warm), rgba(90, 125, 140, 0.15));
  border: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--text-soft);
  text-align: center;
  padding: 20px;
  transition: var(--transition);
}

.case-item:hover {
  border-style: solid;
  border-color: var(--daiqing);
}

/* —— News —— */
.news-cats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}

.news-cat {
  padding: 24px 20px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.news-cat:hover {
  border-color: var(--daiqing);
  box-shadow: var(--shadow);
}

.news-cat h4 {
  font-size: 0.95rem;
  color: var(--sea);
  margin-bottom: 6px;
}

.news-cat p {
  font-size: 0.8rem;
  color: var(--text-soft);
}

/* —— Contact —— */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info dl {
  margin-bottom: 20px;
}

.contact-info dt {
  font-size: 0.8rem;
  color: var(--daiqing);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.contact-info dd {
  font-size: 0.95rem;
  color: var(--text);
}

.contact-info dd a {
  color: inherit;
  text-decoration: none;
}

.contact-info dd a:hover {
  color: var(--sea);
}

.contact-form {
  background: #fff;
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.contact-form-title {
  font-family: var(--font-serif);
  color: var(--sea);
  margin-bottom: 24px;
  letter-spacing: 0.06em;
}

.contact-form-note {
  margin: 14px 0 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-soft);
  line-height: 1.5;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-soft);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--moon);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--daiqing);
  background: #fff;
}

.form-group textarea {
  min-height: 180px;
  resize: vertical;
}

.form-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.form-modal[hidden] {
  display: none;
}

.form-modal.is-open .form-modal-backdrop {
  opacity: 1;
}

.form-modal.is-open .form-modal-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.form-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(21, 37, 53, 0.48);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.form-modal-panel {
  position: relative;
  width: min(100%, 360px);
  padding: 32px 28px 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 48px rgba(21, 37, 53, 0.18);
  text-align: center;
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.form-modal-title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--sea);
  letter-spacing: 0.06em;
}

.form-modal-text {
  margin: 0 0 24px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.form-modal-btn {
  min-width: 120px;
}

/* —— Footer —— */
.site-footer {
  background: var(--sea-deep);
  color: rgba(244, 246, 248, 0.85);
  padding: 56px 0 28px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo-name {
  color: var(--moon);
}

.footer-brand p {
  font-size: 0.88rem;
  margin-top: 16px;
  opacity: 0.8;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  color: var(--gold-muted);
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  padding: 6px 0;
  opacity: 0.75;
  transition: var(--transition);
}

.footer-col a:hover {
  opacity: 1;
  color: #fff;
}

.footer-bottom {
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-legal {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.footer-legal-copy {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: rgba(244, 246, 248, 0.72);
}

.footer-legal-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin: 0;
  font-size: 0.74rem;
  line-height: 1.5;
  color: rgba(244, 246, 248, 0.55);
}

.footer-legal-meta > * {
  display: inline-flex;
  align-items: center;
}

.footer-legal-meta > * + *::before {
  content: "|";
  margin: 0 14px;
  color: rgba(244, 246, 248, 0.28);
  font-weight: 300;
}

.footer-legal-meta a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

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

/* —— Reveal —— */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* —— Stats —— */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 48px 0;
}

.stat-item {
  text-align: center;
}

.stat-item strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--sea);
  margin-bottom: 4px;
}

.stat-item span {
  font-size: 0.8rem;
  color: var(--text-soft);
  letter-spacing: 0.08em;
}

/* —— Responsive · 弹性布局（手机端优先可读） —— */
@media (max-width: 1100px) and (min-width: 601px) {
  .card-grid-6 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-grid-5 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-grid-5 > .card {
    grid-column: auto;
  }

  .card-grid-5 > .card:nth-child(4),
  .card-grid-5 > .card:nth-child(5) {
    grid-column: auto;
  }

  .card-grid-5 > .card:nth-child(5):last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: 480px;
    justify-self: center;
    width: 100%;
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 60px;
  }

  .nav-desktop {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-mobile {
    display: flex;
  }

  .intro-block,
  .contact-grid,
  .culture-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 28px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .intro-block {
    align-items: stretch;
  }

  .intro-visual {
    order: -1;
    width: 100%;
    max-height: 280px;
    aspect-ratio: 16 / 10;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-h) + 32px);
    padding-bottom: 48px;
    align-items: flex-start;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-moon {
    justify-self: end;
    opacity: 0.45;
    width: min(220px, 55vw);
    max-width: none;
  }

  .card-grid,
  .card-grid-2,
  .card-grid-3,
  .card-grid-5,
  .card-grid-6 {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .card-grid-5 > .card,
  .card-grid-5 > .card:nth-child(4),
  .card-grid-5 > .card:nth-child(5) {
    grid-column: 1 / -1;
  }

  .card-grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .stats-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .brand-flow {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    padding: 20px 16px;
    gap: 10px;
  }

  .brand-flow .arrow {
    transform: rotate(90deg);
    line-height: 1;
  }

  .page-hero {
    padding-top: calc(var(--header-h) + 40px);
    padding-bottom: 40px;
  }

  .section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 36px;
    padding-inline: 0;
  }

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

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

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

  .card-media-img {
    max-height: 200px;
  }

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

  .product-row--reverse .product-row-media,
  .product-row--reverse .product-row-body {
    order: unset;
  }

  .product-row-media {
    width: 100%;
    margin-inline: auto;
  }

  .product-app-thumb {
    width: clamp(128px, 36vw, 168px);
  }

  .product-row-media img {
    width: 100%;
  }

  .product-row-actions .btn {
    width: 100%;
    min-width: 0;
  }

  .service-card-head {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
  }

  .service-card-head-main {
    flex: 0 1 auto;
  }

  .service-card-actions {
    align-self: stretch;
  }

  .service-card-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .service-card .service-gallery {
    grid-template-columns: repeat(3, minmax(100px, 1fr));
    overflow-x: auto;
    scroll-snap-type: x proximity;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

  .case-gallery {
    overflow-x: visible;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-card-features {
    grid-template-columns: minmax(0, 1fr);
  }

  .download-layout {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .download-app-thumb {
    width: clamp(128px, 36vw, 168px);
  }

  .download-specs {
    grid-template-columns: minmax(0, 1fr);
  }

  .download-actions {
    grid-template-columns: minmax(0, 1fr);
  }

  .download-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .download-wechat {
    justify-content: center;
    text-align: center;
  }

  .download-wechat p {
    min-width: 0;
  }

  .download-foot {
    justify-content: center;
  }
}

@media (max-width: 600px) {
  :root {
    --header-h: 56px;
  }

  html {
    font-size: 15px;
  }

  .container {
    padding-inline: max(16px, env(safe-area-inset-left, 0px))
      max(16px, env(safe-area-inset-right, 0px));
  }

  .logo-name {
    font-size: 0.9rem;
  }

  .logo-sub {
    font-size: 0.6rem;
  }

  .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 0.95rem;
  }

  .hero {
    padding-top: calc(var(--header-h) + 24px);
    padding-bottom: 40px;
  }

  .hero-moon {
    display: none;
  }

  .hero h1 {
    font-size: clamp(1.65rem, 6.5vw, 2.85rem);
    letter-spacing: 0.02em;
    line-height: 1.35;
    white-space: normal;
  }

  .hero-sub {
    font-size: clamp(0.875rem, 3.6vw, 1rem);
    letter-spacing: 0.02em;
    white-space: normal;
    line-height: 1.6;
  }

  .hero-desc {
    font-size: 0.95rem;
    max-width: 100%;
  }

  .hero-tag {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }

  .hero-actions .btn {
    width: 100%;
    padding: 14px 20px;
    justify-content: center;
  }

  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: clamp(1.35rem, 5.5vw, 1.65rem);
  }

  .section-desc {
    font-size: 0.95rem;
    padding-inline: 0;
  }

  .page-hero h1 {
    font-size: clamp(1.4rem, 6vw, 1.75rem);
  }

  .page-hero p,
  .breadcrumb {
    font-size: 0.85rem;
  }

  .card {
    padding: 22px 18px;
  }

  .card h3 {
    font-size: 1.05rem;
  }

  .card p {
    font-size: 0.92rem;
  }

  .card-num {
    font-size: 2rem;
  }

  .quote-block {
    padding: 24px 18px;
    margin: 28px 0;
  }

  .quote-block cite {
    font-size: 1.05rem;
    line-height: 1.5;
  }

  .tags {
    justify-content: flex-start;
    gap: 8px;
    margin-top: 24px;
  }

  .tag {
    font-size: 0.8rem;
    padding: 8px 14px;
  }

  .intro-text h2 {
    font-size: 1.3rem;
  }

  .intro-text .btn {
    width: 100%;
    justify-content: center;
  }

  .culture-grid {
    gap: 16px;
  }

  .culture-item {
    padding: 28px 20px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 28px 0;
    margin: 32px 0;
  }

  .news-cats {
    grid-template-columns: minmax(0, 1fr);
  }

  .contact-grid {
    gap: 28px;
  }

  .contact-info dd {
    word-break: break-word;
  }

  .contact-form {
    padding: 24px 18px;
  }

  .form-group input,
  .form-group textarea,
  .form-group select {
    font-size: 16px;
    padding: 14px 16px;
  }

  .contact-form .btn {
    width: 100%;
  }

  .footer-grid {
    gap: 20px 24px;
    text-align: left;
  }

  .footer-col h4 {
    margin-bottom: 12px;
    font-size: 0.8rem;
  }

  .footer-col a {
    font-size: 0.88rem;
    padding: 5px 0;
  }

  .footer-bottom {
    padding-inline: 4px;
  }

  .footer-legal-copy {
    font-size: 0.8rem;
  }

  .footer-legal-meta {
    font-size: 0.76rem;
  }

  .footer-legal-meta > * + *::before {
    margin: 0 10px;
  }

  .brand-flow span {
    font-size: 0.85rem;
    padding: 4px 0;
  }

  .nav-mobile a {
    min-height: 48px;
    font-size: 0.95rem;
  }

  .case-item {
    aspect-ratio: auto;
    min-height: 100px;
    padding: 24px 16px;
  }

  /* 内联居中按钮在窄屏全宽 */
  .section p[style*="text-align:center"] .btn {
    display: inline-flex;
    width: 100%;
    max-width: 100%;
    margin-top: 8px;
  }

  .section p[style*="text-align:center"] {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding-inline: 0 !important;
  }

  .wechat-card {
    padding: 24px 18px;
  }

  .wechat-qr {
    width: 150px;
    height: 150px;
  }

  .product-app-scroll,
  .service-app-icons {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .product-app-item .product-app-name,
  .service-app-icon .product-app-name {
    font-size: 0.82rem;
    letter-spacing: 0.02em;
    white-space: normal;
    line-height: 1.35;
  }

  .product-app-item .app-status,
  .service-app-icon .app-status {
    font-size: 0.72rem;
  }

  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-row .btn {
    width: 100%;
  }
}

@media (max-width: 380px) {
  .container {
    padding-inline: 14px;
  }

  .hero h1 {
    font-size: clamp(1.35rem, 5vw, 1.85rem);
    white-space: normal;
    letter-spacing: 0.02em;
  }
}