@import url('https://fonts.googleapis.com/css2?family=Pacifico&family=Quicksand:wght@400;600;700;800&display=swap');

/* ========== 基础重置 ========== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --coral: #FF6F61;
  --blush: #E8A0BF;
  --cream: #FFF9F2;
  --sage: #94B49F;
  --butter: #FFD166;
  --ink: #3D3A37;
  --paper: #FFF0EB;
  --mint: #CBE7D8;
  --white: #FFFFFF;
  --shadow-sm: 0 2px 12px rgba(255, 111, 97, 0.1);
  --shadow-lg: 0 8px 32px rgba(255, 111, 97, 0.18);
  --radius-organic: 40% 60% 55% 45% / 50% 40% 60% 50%;
  --radius-organic-sm: 45% 55% 50% 50% / 55% 45% 55% 45%;
}

body {
  font-family: 'Quicksand', system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  letter-spacing: 0.2px;
}

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

.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: linear-gradient(135deg, var(--paper) 0%, var(--cream) 100%);
}

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 249, 242, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 111, 97, 0.12);
  transition: box-shadow 0.4s ease;
}

.site-header:hover {
  box-shadow: 0 4px 30px rgba(255, 111, 97, 0.1);
}

.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: 12px;
  font-weight: 800;
  font-size: 1.3rem;
  text-decoration: none;
  color: var(--ink);
  font-family: 'Quicksand', 'PingFang SC', sans-serif;
  letter-spacing: -0.5px;
  transition: opacity 0.3s;
}

.logo:hover {
  opacity: 0.85;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--coral) 0%, var(--blush) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--white);
  box-shadow: 0 4px 14px rgba(255, 111, 97, 0.35);
  position: relative;
  flex-shrink: 0;
}

.logo-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px dashed rgba(255, 111, 97, 0.4);
  animation: spin-dash 12s linear infinite;
}

@keyframes spin-dash {
  to { transform: rotate(360deg); }
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: #6B5D58;
  transition: color 0.3s, transform 0.3s;
  position: relative;
  letter-spacing: 0.3px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--coral), var(--blush));
  border-radius: 2px;
  transition: width 0.35s cubic-bezier(0.65, 0, 0.35, 1);
}

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

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

.nav-cta {
  padding: 10px 22px !important;
  border-radius: 50px !important;
  color: var(--white) !important;
  font-weight: 700 !important;
  background: linear-gradient(135deg, var(--coral) 0%, var(--blush) 100%);
  box-shadow: 0 4px 16px rgba(255, 111, 97, 0.3);
  transition: transform 0.3s, box-shadow 0.3s !important;
}

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

.nav-cta:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 6px 24px rgba(255, 111, 97, 0.4);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--paper);
  border: 1px solid rgba(255, 111, 97, 0.15);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--coral);
  transition: background 0.3s;
}

.menu-toggle:hover {
  background: rgba(255, 111, 97, 0.1);
}

/* ========== 首页Hero ========== */
.hero {
  min-height: 86vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  position: relative;
  padding: 120px 0 60px;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 20%, rgba(232, 160, 191, 0.18) 0%, transparent 50%),
    radial-gradient(circle at 15% 80%, rgba(255, 209, 102, 0.15) 0%, transparent 45%),
    var(--cream);
}

.hero::before {
  content: '';
  position: absolute;
  top: 15%;
  right: 8%;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 111, 97, 0.3);
  box-shadow: 140px 40px 0 -6px rgba(148, 180, 159, 0.4), -80px -50px 0 -4px rgba(255, 209, 102, 0.4);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 8%;
  left: 3%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(148, 180, 159, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 620px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(255, 111, 97, 0.12), rgba(232, 160, 191, 0.12));
  color: var(--coral);
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 1px dashed rgba(255, 111, 97, 0.4);
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 4rem);
  line-height: 1.15;
  margin-bottom: 24px;
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--ink);
}

.hero h1 .highlight {
  display: inline-block;
  background: linear-gradient(120deg, var(--coral) 0%, var(--blush) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 6px;
  background: rgba(255, 209, 102, 0.4);
  border-radius: 6px;
  z-index: -1;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.75;
  max-width: 480px;
  margin-bottom: 36px;
  line-height: 1.7;
  color: #6B5D58;
}

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

.hero-image {
  border-radius: var(--radius-organic);
  overflow: hidden;
  position: relative;
  height: 460px;
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.3), rgba(232, 160, 191, 0.3));
  box-shadow: var(--shadow-lg);
  animation: float-organic 6s ease-in-out infinite;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: var(--radius-organic-sm);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.5), rgba(255, 111, 97, 0.1));
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
  border-radius: var(--radius-organic);
}

@keyframes float-organic {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(1.5deg); }
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.65, 0, 0.35, 1);
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--coral) 0%, var(--blush) 100%);
  box-shadow: 0 6px 20px rgba(255, 111, 97, 0.35);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255, 111, 97, 0.45);
}

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

.btn-outline {
  background: transparent;
  border: 2px solid var(--coral);
  color: var(--coral);
  box-shadow: 0 2px 10px rgba(255, 111, 97, 0.08);
}

.btn-outline:hover {
  background: rgba(255, 111, 97, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 111, 97, 0.2);
}

/* ========== 标签/标题 ========== */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 14px;
  color: var(--coral);
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 50px;
  background: rgba(255, 111, 97, 0.08);
  border: 1px solid rgba(255, 111, 97, 0.15);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 16px;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: var(--ink);
  line-height: 1.3;
}

.section-desc {
  max-width: 600px;
  opacity: 0.75;
  margin-bottom: 48px;
  line-height: 1.7;
  color: #6B5D58;
}

/* ========== 卡片网格 ========== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 24px;
  padding: 32px 28px;
  background: var(--white);
  border: 1px solid rgba(255, 111, 97, 0.08);
  transition: all 0.4s cubic-bezier(0.65, 0, 0.35, 1);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  border-radius: 0 0 0 80px;
  background: linear-gradient(135deg, transparent 40%, rgba(255, 209, 102, 0.2) 100%);
  transition: transform 0.4s;
}

.category-card:nth-child(1) { background: linear-gradient(145deg, #FFF5F0, var(--white)); }
.category-card:nth-child(2) { background: linear-gradient(145deg, #F4F9F4, var(--white)); }
.category-card:nth-child(3) { background: linear-gradient(145deg, #FFF8EB, var(--white)); }
.category-card:nth-child(4) { background: linear-gradient(145deg, #F6F0FA, var(--white)); }

.category-card:hover {
  transform: translateY(-6px) rotate(-0.5deg);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 111, 97, 0.2);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--coral), var(--blush));
  color: var(--white);
  box-shadow: 0 4px 12px rgba(255, 111, 97, 0.3);
  transform: rotate(-5deg);
}

.category-card:nth-child(2) .card-icon {
  background: linear-gradient(135deg, var(--sage), #7CA88C);
  box-shadow: 0 4px 12px rgba(148, 180, 159, 0.4);
}

.category-card:nth-child(3) .card-icon {
  background: linear-gradient(135deg, #FFB4A2, var(--butter));
  box-shadow: 0 4px 12px rgba(255, 209, 102, 0.4);
}

.category-card:nth-child(4) .card-icon {
  background: linear-gradient(135deg, #B98CC2, #D9A5D3);
  box-shadow: 0 4px 12px rgba(185, 140, 194, 0.4);
}

.card-icon:hover {
  transform: rotate(5deg) scale(1.1);
  transition: transform 0.3s;
}

.card-link {
  font-weight: 700;
  font-size: 0.86rem;
  text-decoration: none;
  color: var(--coral);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  transition: gap 0.3s;
}

.card-link:hover {
  gap: 12px;
  color: var(--blush);
}

/* ========== 特性块 ========== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.feature-image {
  border-radius: var(--radius-organic);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
  height: 400px;
}

.feature-image::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: -20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 4px solid rgba(255, 209, 102, 0.5);
  z-index: 1;
}

.feature-image::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(148, 180, 159, 0.4);
  z-index: 1;
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}

.feature-image:hover img {
  transform: scale(1.05);
}

.feature-text {
  position: relative;
}

.feature-text::before {
  content: '"';
  position: absolute;
  top: -40px;
  left: -10px;
  font-family: Georgia, serif;
  font-size: 6rem;
  color: rgba(255, 111, 97, 0.15);
  line-height: 1;
}

.feature-list {
  list-style: none;
  margin-bottom: 28px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: #4A3F3C;
}

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: var(--coral);
  font-size: 1rem;
  background: rgba(255, 111, 97, 0.1);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  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 20px;
  border-radius: 24px;
  background: var(--white);
  border: 1px solid rgba(255, 111, 97, 0.06);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--coral), var(--blush));
  opacity: 0;
  transition: opacity 0.4s;
}

.stat-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.stat-item:hover::before {
  opacity: 1;
}

.stat-number {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--coral);
  line-height: 1.2;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.65;
  margin-top: 8px;
  font-weight: 600;
}

/* ========== 内容墙 ========== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 24px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(255, 111, 97, 0.06);
  transition: all 0.4s cubic-bezier(0.65, 0, 0.35, 1);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 111, 97, 0.15);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.6s;
}

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

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

.content-wall-body h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--ink);
}

.content-wall-body p {
  font-size: 0.88rem;
  color: #8B7D78;
  opacity: 0.85;
  line-height: 1.6;
}

.content-wall-body .tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 50px;
  background: rgba(255, 111, 97, 0.08);
  color: var(--coral);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid rgba(255, 111, 97, 0.12);
  border-radius: 18px;
  margin-bottom: 14px;
  overflow: hidden;
  cursor: pointer;
  background: var(--white);
  transition: all 0.35s cubic-bezier(0.65, 0, 0.35, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.faq-item:hover {
  border-color: rgba(255, 111, 97, 0.3);
  box-shadow: var(--shadow-sm);
}

.faq-item.open {
  background: linear-gradient(145deg, #FFF5F0, var(--white));
  border-color: rgba(255, 111, 97, 0.25);
  box-shadow: var(--shadow-sm);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.02rem;
  color: var(--ink);
  gap: 16px;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--coral);
  font-weight: 400;
  transition: transform 0.35s;
  flex-shrink: 0;
}

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

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 0.75;
  line-height: 1.7;
  color: #6B5D58;
}

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

@keyframes fade-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 0.75; transform: translateY(0); }
}

/* ========== CTA横幅 ========== */
.cta-banner {
  padding: 64px 48px;
  text-align: center;
  border-radius: 32px;
  background: linear-gradient(135deg, var(--coral) 0%, #E8737A 50%, var(--blush) 100%);
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(255, 111, 97, 0.35);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -30px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: -20px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.cta-banner h2 {
  color: var(--white);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  position: relative;
  z-index: 1;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 500px;
  margin: 16px auto 32px;
  font-size: 1.05rem;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: var(--white);
  color: var(--coral);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* ========== 页脚 ========== */
.site-footer {
  padding: 72px 0 32px;
  background: linear-gradient(180deg, var(--cream) 0%, #FDE8E0 100%);
  border-top: 1px solid rgba(255, 111, 97, 0.1);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 111, 97, 0.3), transparent);
}

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

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

.footer-brand {
  max-width: 320px;
}

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

.footer-brand p {
  font-size: 0.92rem;
  color: #8B7D78;
  line-height: 1.7;
  opacity: 0.9;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col h5 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--coral);
  margin-bottom: 10px;
  font-weight: 800;
}

.footer-col a {
  color: #6B5D58;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s, transform 0.3s;
  display: inline-block;
  width: fit-content;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 111, 97, 0.12);
  padding-top: 24px;
  text-align: center;
  font-size: 0.86rem;
  color: #A09490;
  opacity: 0.8;
}

/* ========== 工具类 ========== */
.text-accent {
  color: var(--coral);
}

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

.seo-description {
  max-width: 620px;
  margin: 0 auto 56px;
  opacity: 0.75;
  line-height: 1.7;
  color: #6B5D58;
}

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

/* ========== 装饰性背景圆点 ========== */
.section-label + .section-title {
  position: relative;
  display: inline-block;
}

.section-label + .section-title::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--butter);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.4); opacity: 1; }
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 100px 0 60px;
  }
  
  .hero-image {
    height: 380px;
    max-width: 520px;
    width: 100%;
  }

  .feature-block {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .hero {
    padding: 96px 0 48px;
    min-height: 60vh;
  }

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

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

  .collapse-order {
    order: -1;
  }

  .feature-image {
    height: 300px;
  }

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

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

  .main-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    width: 100%;
    background: rgba(255, 249, 242, 0.98);
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    border-bottom: 1px solid rgba(255, 111, 97, 0.12);
    box-shadow: 0 16px 40px rgba(255, 111, 97, 0.12);
    backdrop-filter: blur(20px);
  }

  .menu-toggle {
    display: flex;
  }

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

  .nav-cta {
    margin-top: 8px;
  }

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

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

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

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

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

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

  .hero-image {
    height: 280px;
  }

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

  .feature-image {
    height: 240px;
  }

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

  .cta-banner h2 {
    font-size: 1.5rem;
  }

  .faq-item .faq-question {
    font-size: 0.92rem;
    padding: 16px 18px;
  }

  .footer-brand .logo {
    font-size: 1.1rem;
  }

  .container {
    padding: 0 20px;
  }
}

/* ========== 额外创意细节 ========== */
::selection {
  background: rgba(255, 111, 97, 0.25);
  color: var(--ink);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--cream);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--coral), var(--blush));
  border-radius: 8px;
}

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

/* 点击脉冲效果 */
.btn:active,
.btn:focus {
  transform: scale(0.96);
  outline: none;
}

/* 链接焦点指示 */
.main-nav a:focus-visible,
.card-link:focus-visible,
.footer-col a:focus-visible {
  outline: 2px dashed var(--coral);
  outline-offset: 4px;
  border-radius: 4px;
}

/* 卡片悬浮光照效果 */
.category-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.4) 45%, transparent 60%);
  opacity: 0;
  transition: opacity 0.6s;
  pointer-events: none;
}

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

/* 图像卡片悬浮光效 */
.content-wall-item {
  overflow: hidden;
}

.content-wall-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(255, 111, 97, 0.06));
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s;
}

.content-wall-item:hover::after {
  opacity: 1;
}

/* CTA 装饰浮动元素 */
.cta-banner .btn-primary {
  animation: cta-pulse 2.5s ease-in-out infinite;
}

@keyframes cta-pulse {
  0%, 100% {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  }
  50% {
    box-shadow: 0 4px 30px rgba(255, 255, 255, 0.35), 0 6px 20px rgba(0, 0, 0, 0.1);
  }
}

/* 打印支持 */
@media print {
  .site-header {
    position: static;
    background: var(--paper);
    border: none;
  }

  .hero {
    min-height: auto;
    padding: 40px 0;
  }

  .cta-banner,
  .footer-bottom {
    page-break-inside: avoid;
  }

  .hero-image,
  .feature-image {
    box-shadow: none;
  }
}

/* 降低动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.1s !important;
  }
}

/* 最终修饰：为每个内容墙条目添加微妙旋转错落感 */
.content-wall-item:nth-child(3n+1) {
  transform: rotate(-0.4deg);
}

.content-wall-item:nth-child(3n+1):hover {
  transform: rotate(0deg) translateY(-6px);
}

.content-wall-item:nth-child(3n+2) {
  transform: rotate(0.4deg);
}

.content-wall-item:nth-child(3n+2):hover {
  transform: rotate(0deg) translateY(-6px);
}

.content-wall-item:nth-child(3n) {
  transform: rotate(-0.2deg);
}

.content-wall-item:nth-child(3n):hover {
  transform: rotate(0deg) translateY(-6px);
}