:root {
  --bg-main: #FFF8F0;
  --bg-alt: #F5EFE6;
  --bg-card: #FFFDF9;
  --primary: #FF5E62;
  --primary-light: #FF8E72;
  --secondary: #38E8C6;
  --secondary-dark: #17C3A2;
  --tertiary: #A78BFA;
  --tertiary-light: #DDD3FF;
  --gold: #FFC048;
  --text-main: #3D2A3D;
  --text-muted: #8C7B8B;
  --text-light: #B8A8B7;
  --shadow-warm: 0 8px 30px rgba(255, 94, 98, 0.12);
  --shadow-card: 0 4px 24px rgba(167, 139, 250, 0.10);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-display: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

body {
  font-family: var(--font-display);
  overflow-x: hidden;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(circle at 85% 20%, rgba(255, 94, 98, 0.06) 0%, transparent 50%), radial-gradient(circle at 15% 75%, rgba(56, 232, 198, 0.06) 0%, transparent 40%), radial-gradient(circle at 50% 90%, rgba(167, 139, 250, 0.05) 0%, transparent 60%);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg-alt);
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, transparent 60%);
}

/* ---------- 导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 248, 240, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 94, 98, 0.1);
  box-shadow: 0 2px 24px rgba(61, 42, 61, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.3rem;
  text-decoration: none;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--primary), var(--tertiary));
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 94, 98, 0.3);
  position: relative;
  overflow: hidden;
}

.logo-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.5) 50%, transparent 100%);
  transform: translateX(-100%);
  animation: shimmer 2.8s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  60%, 100% { transform: translateX(100%); }
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  position: relative;
  padding: 4px 0;
  transition: color 0.3s ease;
  letter-spacing: 0.2px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2.5px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--tertiary));
  transition: width 0.3s ease;
}

.main-nav a:hover {
  color: var(--primary);
}

.main-nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px;
  border-radius: 50px;
  color: #fff !important;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary), var(--tertiary));
  box-shadow: 0 4px 16px rgba(255, 94, 98, 0.28);
  transition: transform 0.2s ease, box-shadow 0.3s ease !important;
  position: relative;
  overflow: hidden;
}

.nav-cta::after {
  content: '';
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: skewX(-20deg);
  transition: left 0.4s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 94, 98, 0.35) !important;
}

.nav-cta:hover::after {
  left: 130%;
}

.nav-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50px;
  border: 2px solid transparent;
  background: conic-gradient(from 180deg, transparent 40%, rgba(255,255,255,0.6) 50%, transparent 60%) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s;
}

.nav-cta:hover::before {
  opacity: 0.3;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1.5px solid rgba(255, 94, 98, 0.3);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.6);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: 0.3s;
}

.menu-toggle span {
  width: 20px;
  height: 2.5px;
  border-radius: 4px;
  background: var(--text-main);
  transition: 0.3s;
}

.menu-toggle:hover {
  background: rgba(255, 94, 98, 0.1);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 75vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 140px 0 80px;
  background: linear-gradient(160deg, rgba(255, 248, 240, 0.9) 0%, rgba(255, 240, 235, 0.6) 50%, rgba(243, 240, 255, 0.8) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 94, 98, 0.2), transparent 60%);
  top: -120px;
  right: -80px;
  animation: floatOrb 8s ease-in-out infinite;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 232, 198, 0.18), transparent 60%);
  bottom: -140px;
  left: -60px;
  animation: floatOrb 10s ease-in-out infinite reverse;
  z-index: 0;
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  color: var(--secondary-dark);
  background: linear-gradient(135deg, rgba(56, 232, 198, 0.15), rgba(167, 139, 250, 0.15));
  border: 1px solid rgba(56, 232, 198, 0.3);
  letter-spacing: 0.5px;
}

.hero-eyebrow::before {
  content: '✨';
  font-size: 0.9rem;
}

.hero h1 {
  font-size: 3.6rem;
  line-height: 1.12;
  margin-bottom: 24px;
  font-weight: 900;
  letter-spacing: -1.5px;
  color: var(--text-main);
  background: linear-gradient(120deg, var(--text-main) 0%, var(--tertiary) 40%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.hero h1::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 120px;
  height: 5px;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--primary), var(--gold), var(--secondary));
  z-index: -1;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.8;
  letter-spacing: 0.2px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  position: relative;
}

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-warm);
}

.hero-image img {
  width: 100%;
  height: auto;
  transform: scale(1.02);
  transition: transform 0.6s ease;
}

.hero-image:hover img {
  transform: scale(1.06);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--tertiary) 100%);
  box-shadow: 0 4px 20px rgba(255, 94, 98, 0.3);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 94, 98, 0.4);
}

.btn-primary:hover::before {
  transform: translateX(100%);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--secondary);
  color: var(--secondary-dark);
  box-shadow: inset 0 0 0 1px rgba(56, 232, 198, 0.1);
}

.btn-outline:hover {
  background: rgba(56, 232, 198, 0.1);
  border-color: var(--secondary-dark);
  transform: translateY(-2px);
}

.btn-outline::after {
  content: '→';
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}

.btn-outline:hover::after {
  transform: translateX(4px);
}

/* ---------- 标签/标题 ---------- */
.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 14px;
  color: var(--primary);
  text-transform: uppercase;
  position: relative;
  padding-left: 40px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 28px;
  height: 2.5px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--tertiary));
}

.section-title {
  font-size: 2.4rem;
  margin-bottom: 14px;
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1.2;
  background: linear-gradient(90deg, var(--text-main), var(--tertiary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  max-width: 600px;
  color: var(--text-muted);
  margin-bottom: 44px;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ---------- 卡片网格 ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid rgba(167, 139, 250, 0.15);
  background: var(--bg-card);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--tertiary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.category-card::after {
  content: '';
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.1), transparent 70%);
  opacity: 0;
  top: -40px;
  right: -40px;
  transition: opacity 0.4s;
}

.category-card:hover {
  transform: translateY(-6px) rotate(0.5deg);
  box-shadow: var(--shadow-card);
  border-color: rgba(255, 94, 98, 0.2);
}

.category-card:hover::before {
  transform: scaleX(1);
}

.category-card:hover::after {
  opacity: 1;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(255, 94, 98, 0.12), rgba(167, 139, 250, 0.12));
  color: var(--primary);
  border: 1px solid rgba(255, 94, 98, 0.12);
  transition: transform 0.3s;
}

.category-card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.category-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.6;
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--secondary-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}

.card-link::after {
  content: '→';
}

.card-link:hover {
  gap: 10px;
}

/* ---------- 特性块 ---------- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: 0 16px 40px rgba(167, 139, 250, 0.15);
  background: linear-gradient(135deg, rgba(255, 94, 98, 0.05), rgba(167, 139, 250, 0.08));
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, transparent 50%, rgba(255, 94, 98, 0.05));
}

.feature-image img {
  width: 100%;
  height: auto;
  transition: transform 0.6s ease;
}

.feature-image:hover img {
  transform: scale(1.04);
}

.feature-text h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.feature-text > p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: var(--text-main);
  border-bottom: 1px dashed rgba(167, 139, 250, 0.2);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: var(--primary);
  font-size: 1.1rem;
  background: rgba(255, 94, 98, 0.1);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ---------- 数据条 ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(167, 139, 250, 0.12);
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.4s ease;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.stat-item:hover::before {
  width: 70%;
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -1.5px;
  background: linear-gradient(135deg, var(--primary), var(--tertiary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-item:nth-child(2) .stat-number {
  background: linear-gradient(135deg, var(--secondary-dark), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item:nth-child(3) .stat-number {
  background: linear-gradient(135deg, var(--tertiary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item:nth-child(4) .stat-number {
  background: linear-gradient(135deg, var(--gold), var(--secondary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 8px;
  font-weight: 500;
}

/* ---------- 内容墙 ---------- */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(167, 139, 250, 0.12);
  background: var(--bg-card);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-6px) rotate(-0.5deg);
  box-shadow: var(--shadow-card);
  border-color: rgba(56, 232, 198, 0.2);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
  background: linear-gradient(135deg, rgba(255, 94, 98, 0.1), rgba(167, 139, 250, 0.1));
}

.content-wall-item:hover img {
  transform: scale(1.05);
}

.content-wall-body {
  padding: 22px;
}

.content-wall-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
}

.content-wall-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.content-wall-body .card-link {
  margin-top: 10px;
  font-size: 0.8rem;
}

.content-wall-item::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 48px;
  height: 48px;
  border-radius: 0 0 0 16px;
  background: linear-gradient(135deg, var(--primary), var(--tertiary));
  opacity: 0;
  transition: opacity 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.content-wall-item:hover::after {
  opacity: 0.9;
}

.content-wall-item:hover::after {
  content: '▶';
  color: #fff;
  font-size: 0.9rem;
  text-align: center;
  line-height: 48px;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid rgba(167, 139, 250, 0.15);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(255, 94, 98, 0.2);
  box-shadow: 0 2px 12px rgba(167, 139, 250, 0.08);
}

.faq-item.open {
  border-color: rgba(56, 232, 198, 0.3);
  box-shadow: 0 4px 16px rgba(56, 232, 198, 0.1);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-main);
  transition: color 0.3s;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--primary);
  transition: transform 0.3s ease, color 0.3s;
  font-weight: 400;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 94, 98, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-item.open .faq-question::after {
  content: '×';
  transform: rotate(180deg);
  color: var(--secondary-dark);
  background: rgba(56, 232, 198, 0.12);
}

.faq-item .faq-answer {
  padding: 0 24px 22px;
  display: none;
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 0.95rem;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeSlideDown 0.3s ease;
}

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

/* ---------- CTA横幅 ---------- */
.cta-banner {
  padding: 72px 40px;
  text-align: center;
  border-radius: var(--radius-lg);
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--tertiary) 60%, var(--secondary-dark) 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  top: -100px;
  left: -50px;
}

.cta-banner::after {
  content: '';
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  bottom: -80px;
  right: -40px;
  animation: floatOrb 6s ease-in-out infinite;
}

@keyframes floatOrb {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(16px) scale(1.05); }
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 480px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 24px rgba(255, 255, 255, 0.3);
}

.cta-banner .btn-primary:hover {
  box-shadow: 0 8px 32px rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.cta-banner .btn-primary::before {
  background: rgba(255, 94, 98, 0.1);
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 64px 0 32px;
  background: linear-gradient(180deg, rgba(247, 242, 236, 0.6), rgba(240, 232, 225, 0.8));
  border-top: 1px solid rgba(167, 139, 250, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  padding-right: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  width: 36px;
  height: 36px;
  font-size: 0.95rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-top: 16px;
}

.footer-col {
  display: flex;
  flex-direction: column;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text-main);
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2.5px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--tertiary));
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 5px 0;
  display: inline-block;
  transition: color 0.2s, transform 0.2s;
}

.footer-col a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(167, 139, 250, 0.12);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ---------- 工具类 ---------- */
.text-accent {
  color: var(--primary);
  font-weight: 700;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

/* 精选区块装饰 */
.section-live {
  position: relative;
}

.section-live::before {
  content: '● LIVE';
  position: absolute;
  top: 32px;
  right: 40px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  background: rgba(255, 94, 98, 0.08);
  padding: 4px 14px;
  border-radius: 30px;
  border: 1px solid rgba(255, 94, 98, 0.2);
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; transform: scale(1.05); }
}

/* 品牌展示专用 */
.brand-showcase {
  padding: 24px 0 80px;
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
  padding: 40px 0;
  opacity: 0.35;
  filter: grayscale(1);
}

.brand-row span {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-light);
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .stat-item {
    padding: 24px 16px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--bg-main);
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    border-bottom: 1px solid rgba(255, 94, 98, 0.1);
    box-shadow: 0 12px 32px rgba(61, 42, 61, 0.08);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    animation: fadeSlideDown 0.3s ease;
  }

  .main-nav.open {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.9rem;
  }

  .cta-banner {
    padding: 48px 24px;
  }

  .cta-banner h2 {
    font-size: 1.7rem;
  }

  .brand-row {
    gap: 30px;
  }

  .brand-row span {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .hero h1 {
    font-size: 2rem;
    letter-spacing: -0.5px;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .hero-eyebrow {
    font-size: 0.75rem;
    padding: 4px 12px;
  }

  .nav-cta {
    display: none;
  }

  .header-inner {
    height: 64px;
  }

  .main-nav {
    top: 64px;
  }

  .stat-item {
    padding: 20px 12px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .cta-banner {
    padding: 40px 20px;
    border-radius: var(--radius-md);
  }

  .cta-banner h2 {
    font-size: 1.4rem;
  }

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

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-alt);
  border-radius: 8px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-light), var(--tertiary));
  border-radius: 8px;
  border: 2px solid var(--bg-alt);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--primary), var(--tertiary));
}

::-moz-selection {
  background: rgba(255, 94, 98, 0.2);
  color: var(--text-main);
}

::selection {
  background: rgba(255, 94, 98, 0.2);
  color: var(--text-main);
}