:root {
  --primary: #9a1f2e;
  --primary-600: #7d1825;
  --primary-50: #fdf2f4;
  --primary-100: #f9e0e4;
  --gold: #c89b3c;
  --gold-light: #e0b85c;
  --gold-50: #fdf8ed;
  --slate-900: #1a1a2e;
  --slate-800: #2d2d44;
  --slate-700: #3d3d5c;
  --slate-600: #555573;
  --slate-500: #777796;
  --slate-300: #c4c4d4;
  --slate-200: #e2e2ec;
  --slate-100: #f1f1f6;
  --slate-50: #f8f8fc;
  --cream: #faf7f2;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px 0 rgba(26, 26, 46, 0.06);
  --shadow: 0 4px 12px -2px rgba(26, 26, 46, 0.08), 0 2px 6px -2px rgba(26, 26, 46, 0.04);
  --shadow-lg: 0 20px 40px -8px rgba(26, 26, 46, 0.12), 0 8px 16px -6px rgba(26, 26, 46, 0.06);
  --shadow-xl: 0 25px 50px -12px rgba(26, 26, 46, 0.25);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --serif: "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--slate-800);
  background: var(--white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(100% - 48px, var(--max-width)); margin-inline: auto; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-600) 100%);
  color: var(--white);
  box-shadow: 0 10px 20px -5px rgba(154, 31, 46, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px -8px rgba(154, 31, 46, 0.45);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.18); border-color: rgba(255, 255, 255, 0.6); }

.btn-light {
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow);
}
.btn-light:hover { background: var(--primary-50); transform: translateY(-2px); }

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
}
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); }

/* 导航 */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}

.site-header.scrolled .logo-text,
.site-header.scrolled .main-nav a { color: var(--slate-800); }
.site-header.scrolled .main-nav a:hover { color: var(--primary); }
.site-header.scrolled .menu-toggle span { background: var(--slate-800); }
.site-header.scrolled .nav-cta { background: var(--primary); color: var(--white) !important; }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 22px;
  font-family: var(--serif);
}

.logo-icon {
  width: 34px;
  height: 34px;
  color: var(--primary);
  flex-shrink: 0;
}

.logo-text {
  color: var(--white);
  transition: var(--transition);
}

.logo-sub {
  font-size: 15px;
  font-weight: 400;
  opacity: 0.7;
  margin-left: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  transition: var(--transition);
}

.main-nav a:not(.nav-cta):hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
}

.nav-cta {
  background: var(--gold);
  color: var(--slate-900) !important;
  margin-left: 8px;
  font-weight: 700;
  box-shadow: var(--shadow);
}
.nav-cta:hover { background: var(--gold-light); }

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

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a2e 0%, #2d1b2e 40%, #4a1525 80%, #6a1e2e 100%);
  color: var(--white);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M20 0L0 10v20l20 10 20-10V10z'/%3E%3C/g%3E%3C/svg%3E");
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
}

.glow-1 {
  width: 500px;
  height: 500px;
  background: var(--primary);
  top: -100px;
  right: -100px;
}

.glow-2 {
  width: 400px;
  height: 400px;
  background: var(--gold);
  bottom: -100px;
  left: -50px;
  opacity: 0.15;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  z-index: 1;
}

.eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gold-light);
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #ffffff 0%, #f0d0a0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-desc strong {
  color: var(--gold-light);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  list-style: none;
  flex-wrap: wrap;
}

.hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stats strong {
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
  color: var(--gold-light);
  font-family: var(--serif);
}

.hero-stats span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* Hero Card */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card-main {
  width: 100%;
  max-width: 400px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.04) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.hero-card-main::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(200, 155, 60, 0.15) 0%, transparent 50%);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  position: relative;
}

.card-brand {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
}

.card-tag {
  padding: 6px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: var(--slate-900);
  font-size: 13px;
  font-weight: 700;
}

.card-channels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
  position: relative;
}

.card-channels span {
  padding: 8px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
}

.card-bottom {
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
}

.qr-mock {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.qr-mock span {
  font-size: 11px;
  font-weight: 700;
  color: var(--slate-900);
}

.card-bottom p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

/* 通用 section */
.section {
  padding: 110px 0;
}

.section-dark {
  padding: 110px 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
  color: var(--white);
}

.section-header {
  max-width: 760px;
  margin: 0 auto 64px;
  text-align: center;
}

.section-header.center {
  text-align: center;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--primary-100);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}

.section-tag.gold {
  background: var(--gold-50);
  color: var(--gold);
}

.section-tag.light {
  background: rgba(255, 255, 255, 0.15);
  color: var(--gold-light);
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-title.light {
  color: var(--white);
}

.section-subtitle {
  font-size: 17px;
  color: var(--slate-600);
}

.section-subtitle.light {
  color: rgba(255, 255, 255, 0.7);
}

/* 公司简介 */
.about {
  background: var(--cream);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: start;
}

.about-lead {
  font-size: 17px;
  color: var(--slate-600);
  margin-bottom: 40px;
  line-height: 1.8;
}

.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.pillar {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.pillar-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-600) 100%);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 8px 16px -4px rgba(154, 31, 46, 0.3);
}

.pillar h4 {
  font-size: 19px;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 8px;
}

.pillar p {
  font-size: 15px;
  color: var(--slate-600);
  line-height: 1.75;
}

.about-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 90px;
}

.vision-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-600) 100%);
  color: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 16px 32px -8px rgba(154, 31, 46, 0.3);
}

.vision-card h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 12px;
}

.vision-card p {
  font-size: 15px;
  opacity: 0.9;
  line-height: 1.8;
}

.vision-card strong {
  color: var(--gold-light);
}

.cert-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.cert-card h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 16px;
}

.cert-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cert-card li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--slate-600);
}

.cert-badge {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-100);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
}

.platform-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.platform-card h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 8px;
}

.platform-desc {
  font-size: 14px;
  color: var(--slate-500);
  margin-bottom: 16px;
}

.platform-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.platform-features div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.platform-features strong {
  font-size: 15px;
  color: var(--primary);
  font-weight: 700;
}

.platform-features span {
  font-size: 13px;
  color: var(--slate-500);
}

/* 福礼超级卡 */
.product {
  background: var(--white);
}

.product-highlight {
  max-width: 900px;
  margin: 0 auto;
}

.highlight-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.h-stat {
  text-align: center;
  padding: 32px 16px;
  background: var(--cream);
  border-radius: var(--radius);
  border: 1px solid var(--slate-200);
  transition: var(--transition);
}

.h-stat:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.h-stat strong {
  display: block;
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.h-stat span {
  font-size: 14px;
  color: var(--slate-600);
}

.exchange-scope {
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--gold-50) 100%);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
}

.exchange-scope h4 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 20px;
}

.scope-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.scope-tags span {
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  font-size: 15px;
  font-weight: 500;
  color: var(--slate-700);
  transition: var(--transition);
}

.scope-tags span:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* 兑换频道 */
.channels-grid {
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.channel-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 28px 22px;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.channel-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-5px);
  border-color: rgba(200, 155, 60, 0.4);
  box-shadow: 0 16px 32px -8px rgba(0, 0, 0, 0.3);
}

.ch-icon {
  font-size: 36px;
  margin-bottom: 16px;
  line-height: 1;
}

.channel-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
}

.channel-card p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  margin-bottom: 16px;
}

.ch-stats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ch-stats span {
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(200, 155, 60, 0.15);
  color: var(--gold-light);
  font-size: 12px;
  font-weight: 600;
}

.more-card {
  border: 2px dashed rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.more-card .ch-icon {
  color: var(--gold-light);
  font-size: 32px;
  font-weight: 300;
}

/* 自营商城 */
.mall {
  background: var(--cream);
}

.mall-grid {
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.mall-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
}

.mall-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold);
}

.mall-emoji {
  font-size: 40px;
  margin-bottom: 14px;
  line-height: 1;
}

.mall-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 10px;
}

.mall-card p {
  font-size: 13px;
  color: var(--slate-600);
  line-height: 1.7;
}

.mall-brands {
  text-align: center;
}

.mall-brands h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 24px;
}

.brand-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 900px;
  margin: 0 auto;
}

.brand-tags span {
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  font-size: 14px;
  font-weight: 500;
  color: var(--slate-700);
  transition: var(--transition);
}

.brand-tags span:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* 我们的服务 */
.service-grid {
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.service-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-5px);
  border-color: rgba(200, 155, 60, 0.4);
}

.svc-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: var(--slate-900);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  box-shadow: 0 12px 24px -6px rgba(200, 155, 60, 0.3);
}

.service-card h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.75;
}

/* 使用指南 */
.guide {
  background: var(--white);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.guide-card {
  background: var(--cream);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 36px;
  transition: var(--transition);
}

.guide-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-lg);
}

.guide-num {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
}

.guide-card h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 24px;
}

.guide-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.guide-steps li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  color: var(--slate-700);
}

.step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(200, 155, 60, 0.15);
}

/* CTA */
.cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-600) 100%);
  color: var(--white);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(200, 155, 60, 0.1);
  filter: blur(60px);
}

.cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  position: relative;
}

.cta-content h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-content p {
  font-size: 17px;
  opacity: 0.85;
}

.cta-actions {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* 页脚 */
.site-footer {
  background: var(--slate-900);
  color: var(--white);
  padding: 64px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo-text { color: var(--white); }

.footer-desc {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  line-height: 1.7;
}

.footer-domain {
  margin-top: 8px;
  color: var(--gold-light);
  font-size: 14px;
  font-weight: 600;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.link-group h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--white);
}

.link-group a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 12px;
  transition: var(--transition);
}

.link-group a:hover { color: var(--white); }

.footer-bottom {
  padding: 22px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}

/* 动画 */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* 响应式 */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-content { display: flex; flex-direction: column; align-items: center; }
  .hero-desc { max-width: 640px; }
  .hero-visual { margin-top: 20px; }

  .about-grid { grid-template-columns: 1fr; }
  .about-side { position: static; flex-direction: row; flex-wrap: wrap; }
  .about-side > * { flex: 1 1 280px; }

  .channels-grid { grid-template-columns: repeat(3, 1fr); }
  .mall-grid { grid-template-columns: repeat(3, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .highlight-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .menu-toggle { display: flex; }

  .main-nav {
    position: fixed;
    inset: 68px 16px auto 16px;
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: var(--transition);
  }

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

  .main-nav a {
    color: var(--slate-800) !important;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
  }
  .main-nav a:hover { background: var(--slate-100); }
  .nav-cta { margin-left: 0; margin-top: 8px; text-align: center; }

  .hero { padding: 120px 0 60px; }
  .hero-stats { gap: 24px; }
  .hero-stats strong { font-size: 28px; }

  .channels-grid, .mall-grid, .service-grid { grid-template-columns: 1fr; }

  .cta-inner { flex-direction: column; text-align: center; }

  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }

  .guide-grid { grid-template-columns: 1fr; }
  .about-side { flex-direction: column; }
}

@media (max-width: 480px) {
  .hero-actions, .cta-actions { flex-direction: column; width: 100%; }
  .btn { width: 100%; }
  .footer-links { grid-template-columns: 1fr; }
  .highlight-stats { grid-template-columns: 1fr; }
}