```css
/* ================================================
   吃瓜黑料网 — 夏日瓜田 · Watermelon Soda
   设计语言：气泡圆润 / 杂志拼贴 / 果肉渐变
   主色：#FF5A5F 西瓜红 | 辅色：#2EB58E 瓜皮绿 | 点缀：#FFD166 柠檬黄
   ================================================ */

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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background-color: #FEF9F0;
  background-image:
    radial-gradient(circle at 12% 88%, rgba(255, 209, 102, 0.10) 0%, transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(46, 181, 142, 0.08) 0%, transparent 30%),
    radial-gradient(circle at 60% 60%, rgba(255, 90, 95, 0.04) 0%, transparent 20%);
  color: #2C2A29;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: #FF5A5F;
  color: #FFF;
}

/* ---------- 核心布局 ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section:nth-child(even) {
  background: #FFF3E2;
}

.section:nth-child(even)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 90, 95, 0.25), transparent);
}

/* ---------- 导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(254, 249, 240, 0.88);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(255, 90, 95, 0.10);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: #2C2A29;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  background: linear-gradient(135deg, #FF5A5F 0%, #FF8A5C 100%);
  color: #FFF;
  box-shadow: 0 4px 16px rgba(255, 90, 95, 0.35);
  position: relative;
}

.logo-icon::after {
  content: '';
  position: absolute;
  top: -3px;
  right: -3px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2EB58E;
  border: 2px solid #FEF9F0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: #2C2A29;
  transition: color 0.3s;
  position: relative;
  letter-spacing: 0.2px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2.5px;
  border-radius: 2px;
  background: linear-gradient(90deg, #FF5A5F, #FFD166);
  transition: width 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.main-nav a:hover {
  color: #FF5A5F;
}

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

.nav-cta {
  padding: 10px 24px;
  border-radius: 50px;
  background: linear-gradient(135deg, #FF5A5F, #FF8A5C);
  color: #FFF !important;
  font-weight: 700;
  box-shadow: 0 4px 18px rgba(255, 90, 95, 0.35);
  transition: transform 0.3s, box-shadow 0.3s !important;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 28px rgba(255, 90, 95, 0.45) !important;
  color: #FFF !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: #2C2A29;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #FFF;
  border: 1px solid rgba(255, 90, 95, 0.15);
  transition: background 0.3s, border-color 0.3s;
}

.menu-toggle:hover {
  background: #FFF3E2;
  border-color: rgba(255, 90, 95, 0.3);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 8% 22%, rgba(255, 209, 102, 0.30) 0%, transparent 32%),
    radial-gradient(circle at 92% 82%, rgba(46, 181, 142, 0.22) 0%, transparent 40%),
    radial-gradient(circle at 70% 20%, rgba(255, 90, 95, 0.10) 0%, transparent 25%),
    linear-gradient(150deg, #FEF9F0 0%, #FFF3E2 55%, #FFF0E0 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -140px;
  right: -60px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #FF5A5F 0%, transparent 62%);
  opacity: 0.12;
  animation: heroFloat 9s ease-in-out infinite;
}

.hero::after {
  content: '🍉';
  position: absolute;
  font-size: 5.5rem;
  opacity: 0.06;
  left: 4%;
  bottom: 12%;
  transform: rotate(-18deg);
  animation: heroFloat 7s ease-in-out infinite reverse;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-24px) rotate(4deg); }
}

.hero-content {
  max-width: 760px;
  position: relative;
  z-index: 2;
  padding: 120px 0 40px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 7px 22px;
  border-radius: 50px;
  margin-bottom: 28px;
  background: linear-gradient(135deg, #FF5A5F, #FF8A5C);
  color: #FFF;
  box-shadow: 0 4px 20px rgba(255, 90, 95, 0.38);
  letter-spacing: 2px;
  text-transform: uppercase;
  position: relative;
}

.hero-eyebrow::before {
  content: '🍉';
  font-size: 1rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 6.5vw, 4.4rem);
  line-height: 1.1;
  margin-bottom: 26px;
  font-weight: 800;
  letter-spacing: -2px;
  color: #2C2A29;
}

.hero h1 .text-accent {
  color: #FF5A5F;
  position: relative;
  display: inline-block;
  white-space: nowrap;
}

.hero h1 .text-accent::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: -4px;
  width: calc(100% + 8px);
  height: 10px;
  background: rgba(255, 209, 102, 0.55);
  z-index: -1;
  border-radius: 6px;
  transform: rotate(-1deg);
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.72;
  max-width: 540px;
  margin-bottom: 38px;
  color: #2C2A29;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 18px;
}

.hero-image {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(255, 90, 95, 0.18);
  position: relative;
}

.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  pointer-events: none;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 34px;
  border-radius: 50px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  font-size: 0.95rem;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.3s,
              background 0.3s;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, #FF5A5F, #FF8A5C);
  color: #FFF;
  box-shadow: 0 6px 28px rgba(255, 90, 95, 0.38);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(255, 90, 95, 0.5);
}

.btn-outline {
  background: transparent;
  border: 2px solid #FF5A5F;
  color: #FF5A5F;
}

.btn-outline:hover {
  background: rgba(255, 90, 95, 0.06);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 90, 95, 0.15);
}

/* ---------- 标签 / 标题 ---------- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 4px;
  margin-bottom: 18px;
  text-transform: uppercase;
  color: #FF5A5F;
}

.section-label::before {
  content: '✦';
  font-size: 1rem;
  color: #FFD166;
  display: inline-block;
  animation: spin 6s linear infinite;
}

.section-label::after {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1.5px;
  background: linear-gradient(90deg, #FF5A5F, transparent);
  border-radius: 2px;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.9rem);
  margin-bottom: 18px;
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.18;
  color: #2C2A29;
}

.section-desc {
  max-width: 620px;
  opacity: 0.7;
  margin-bottom: 52px;
  color: #2C2A29;
  line-height: 1.8;
  font-size: 1rem;
}

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

.category-card {
  border-radius: 24px;
  padding: 32px;
  border: 1px solid rgba(255, 90, 95, 0.10);
  background: #FFF;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.35s,
              border-color 0.35s;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #FF5A5F, #FFD166, #2EB58E);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.category-card::after {
  content: '';
  position: absolute;
  bottom: -24px;
  right: -24px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 209, 102, 0.25), transparent 70%);
  transition: transform 0.5s;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(255, 90, 95, 0.12);
  border-color: rgba(255, 90, 95, 0.16);
}

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

.category-card:hover::after {
  transform: scale(1.5);
}

.card-icon {
  width: 58px;
  height: 58px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #FF5A5F, #FF8A5C);
  box-shadow: 0 6px 18px rgba(255, 90, 95, 0.35);
  position: relative;
  z-index: 1;
}

.card-icon:nth-of-type(2) {
  background: linear-gradient(135deg, #2EB58E, #78D6A8);
  box-shadow: 0 6px 18px rgba(46, 181, 142, 0.35);
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #2C2A29;
}

.category-card p {
  font-size: 0.88rem;
  opacity: 0.6;
  margin-bottom: 16px;
  line-height: 1.6;
}

.card-link {
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  color: #FF5A5F;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s;
  position: relative;
  z-index: 1;
}

.card-link:hover {
  gap: 14px;
}

.card-link::after {
  content: '→';
  font-size: 1.1rem;
}

/* ---------- 特性块 ---------- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 68px;
  align-items: center;
}

.feature-image {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(46, 181, 142, 0.18);
  position: relative;
}

.feature-image::before {
  content: '🍉';
  position: absolute;
  font-size: 4rem;
  bottom: 16px;
  right: 16px;
  opacity: 0.2;
  transform: rotate(10deg);
  transition: transform 0.5s;
  z-index: 1;
}

.feature-image:hover::before {
  transform: rotate(20deg) scale(1.2);
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
}

.feature-text { }

.feature-text h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 18px;
  color: #2C2A29;
  line-height: 1.3;
}

.feature-text p {
  opacity: 0.72;
  margin-bottom: 16px;
  line-height: 1.8;
  color: #2C2A29;
}

.feature-list {
  list-style: none;
  margin-top: 24px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1rem;
  color: #2C2A29;
  font-weight: 500;
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2EB58E, #78D6A8);
  color: #FFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(46, 181, 142, 0.3);
}

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

.stat-item {
  padding: 36px 20px;
  border-radius: 28px;
  border: 1px solid rgba(255, 90, 95, 0.10);
  background: #FFF;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.stat-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(255, 90, 95, 0.10);
}

.stat-item::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 209, 102, 0.35), transparent 70%);
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: -12px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(46, 181, 142, 0.10);
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, #FF5A5F, #FF8A5C);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 10px;
  color: #2C2A29;
  font-weight: 600;
  letter-spacing: 0.5px;
}

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

.content-wall-item {
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 90, 95, 0.10);
  background: #FFF;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.35s;
}

.content-wall-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(255, 90, 95, 0.14);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s;
}

.content-wall-item:hover img {
  transform: scale(1.06);
}

.content-wall-body {
  padding: 24px;
  position: relative;
}

.content-wall-body h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #2C2A29;
  line-height: 1.4;
  transition: color 0.3s;
}

.content-wall-item:hover .content-wall-body h3 {
  color: #FF5A5F;
}

.content-wall-body p {
  font-size: 0.88rem;
  opacity: 0.6;
  color: #2C2A29;
  line-height: 1.6;
  margin-bottom: 12px;
}

.content-wall-body .badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  background: #FFF3E2;
  color: #FF5A5F;
}

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

.faq-item {
  border: 1px solid rgba(255, 90, 95, 0.12);
  border-radius: 20px;
  margin-bottom: 14px;
  overflow: hidden;
  cursor: pointer;
  background: #FFF;
  transition: box-shadow 0.35s, border-color 0.35s, transform 0.3s;
}

.faq-item:hover {
  box-shadow: 0 12px 32px rgba(255, 90, 95, 0.10);
  border-color: rgba(255, 90, 95, 0.22);
  transform: translateY(-2px);
}

.faq-item.open {
  box-shadow: 0 12px 32px rgba(255, 90, 95, 0.10);
  border-color: rgba(255, 90, 95, 0.22);
}

.faq-item .faq-question {
  padding: 22px 26px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #2C2A29;
  font-size: 1.02rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.6rem;
  font-weight: 300;
  color: #FF5A5F;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  margin-left: 16px;
  flex-shrink: 0;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-item .faq-answer {
  padding: 0 26px 22px;
  display: none;
  opacity: 0.7;
  color: #2C2A29;
  line-height: 1.8;
  font-size: 0.95rem;
}

.faq-item.open .faq-answer {
  display: block;
  animation: faqIn 0.4s ease;
}

@keyframes faqIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 0.7;
    transform: translateY(0);
  }
}

/* ---------- CTA横幅 ---------- */
.cta-banner {
  padding: 68px 32px;
  text-align: center;
  border-radius: 36px;
  background:
    repeating-linear-gradient(45deg,
      rgba(255, 255, 255, 0.04) 0px,
      rgba(255, 255, 255, 0.04) 3px,
      transparent 3px,
      transparent 10px),
    linear-gradient(135deg, #FF5A5F 0%, #FF7E5A 50%, #FF8A5C 100%);
  color: #FFF;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(255, 90, 95, 0.3);
}

.cta-banner::before {
  content: '🍉';
  position: absolute;
  font-size: 9rem;
  opacity: 0.12;
  right: 4%;
  top: 50%;
  transform: translateY(-50%) rotate(18deg);
  animation: heroFloat 6s ease-in-out infinite;
}

.cta-banner::after {
  content: '🍈';
  position: absolute;
  font-size: 5rem;
  opacity: 0.08;
  left: 6%;
  bottom: 10%;
  transform: rotate(-12deg);
  animation: heroFloat 8s ease-in-out infinite reverse;
}

.cta-banner h2 {
  color: #FFF;
  font-size: clamp(1.8rem, 3.8vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -1px;
}

.cta-banner p {
  opacity: 0.92;
  margin-bottom: 30px;
  font-size: 1.05rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-primary {
  background: #FFF;
  color: #FF5A5F;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.22);
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 72px 0 32px;
  background: #3A3232;
  color: rgba(255, 255, 255, 0.75);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #FF5A5F, #FFD166, #2EB58E);
}

.site-footer .container {
  position: relative;
  z-index: 1;
}

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

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: #FFF;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.footer-brand h3 span {
  color: #FF8A5C;
}

.footer-brand p {
  opacity: 0.55;
  line-height: 1.8;
  font-size: 0.92rem;
  max-width: 280px;
}

.footer-col h4 {
  color: #FFF;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, #FF5A5F, #FFD166);
  border-radius: 2px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.3s, padding-left 0.3s;
}

.footer-col ul li a:hover {
  color: #FFD166;
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  margin-top: 56px;
  padding-top: 28px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.45;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

/* ---------- 工具类 ---------- */
.text-accent {
  color: #FF5A5F;
}

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

.seo-description {
  max-width: 640px;
  margin: 0 auto 52px;
  opacity: 0.65;
  text-align: center;
  color: #2C2A29;
  line-height: 1.8;
  font-size: 0.98rem;
}

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

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

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .hero {
    min-height: 80vh;
  }
  .hero h1 {
    font-size: 2.8rem;
  }
  .hero-image {
    margin-top: 48px;
  }
  .feature-block {
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .hero {
    min-height: 75vh;
    padding: 100px 0 0;
  }

  .hero h1 {
    font-size: 2.3rem;
    letter-spacing: -1px;
  }

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

  .hero-buttons .btn {
    padding: 13px 26px;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

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

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    width: 100%;
    background: rgba(254, 249, 240, 0.98);
    backdrop-filter: blur(20px);
    padding: 28px 24px;
    gap: 22px;
    border-bottom: 1px solid rgba(255, 90, 95, 0.15);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.08);
    animation: navIn 0.3s ease;
  }

  .main-nav.open a {
    font-size: 1.05rem;
  }

  .main-nav.open .nav-cta {
    align-self: flex-start;
  }

  .nav-cta {
    color: #FFF !important;
  }

  @keyframes navIn {
    from {
      opacity: 0;
      transform: translateY(-12px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .cta-banner {
    padding: 48px 24px;
    border-radius: 28px;
  }

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

  .cta-banner::before {
    font-size: 6rem;
  }
}

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

  .section-title {
    font-size: 1.7rem;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .hero {
    padding-top: 84px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-eyebrow {
    font-size: 0.72rem;
    padding: 6px 16px;
  }

  .feature-block {
    gap: 28px;
  }

  .category-card {
    padding: 24px;
  }

  .cta-banner {
    padding: 40px 20px;
  }

  .cta-banner p {
    font-size: 0.95rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 4px;
  }

  .section-label {
    letter-spacing: 2px;
  }
}