/* =============================================
   蜜桃网 · Peach Juicy Design System
   蜜桃网桃你欢心 | mitaowang.org.cn
   独特风格：暖桃流体有机风
   ============================================= */

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

:root {
  --peach-50: #FFF9F3;
  --peach-100: #FFF0E5;
  --peach-200: #FFE0CC;
  --peach-300: #FFCEB3;
  --peach-400: #FFB58E;
  --peach-500: #FF9E71;
  --peach-600: #F97B55;
  --coral: #FF5E5E;
  --mint: #6BCB9D;
  --text-dark: #4D3327;
  --text-light: #9A857A;
  --shadow-peach: 0 8px 32px rgba(255, 158, 113, 0.25);
  --shadow-peach-sm: 0 4px 16px rgba(255, 158, 113, 0.15);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 15% 80%, rgba(255, 224, 204, 0.4) 0%, transparent 25%),
    radial-gradient(circle at 85% 20%, rgba(107, 203, 157, 0.08) 0%, transparent 30%),
    var(--peach-50);
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--peach-300);
  color: var(--text-dark);
}

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

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

.section:nth-child(even) {
  background: linear-gradient(180deg, #FFF0E8 0%, var(--peach-50) 100%);
}

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 250, 245, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 158, 113, 0.12);
  box-shadow: 0 1px 20px rgba(255, 158, 113, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  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: var(--text-dark);
  letter-spacing: 0.5px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 55% 45% 60% 40% / 50% 55% 45% 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #FFB58E, #FF5E5E);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 94, 94, 0.35);
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-light);
  position: relative;
  padding: 4px 2px;
  transition: color 0.3s, transform 0.3s;
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--peach-400), var(--coral));
  transition: width 0.3s ease;
}

.main-nav a:not(.nav-cta):hover {
  color: var(--peach-600);
}

.main-nav a:not(.nav-cta):hover::after {
  width: 100%;
}

.nav-cta {
  padding: 8px 22px;
  border-radius: 50px;
  color: #fff !important;
  font-weight: 600;
  background: linear-gradient(135deg, #FF9E71, #FF5E5E);
  box-shadow: 0 4px 18px rgba(255, 94, 94, 0.3);
  transition: transform 0.3s, box-shadow 0.3s !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 94, 94, 0.4) !important;
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  z-index: 1001;
}

.menu-toggle::before,
.menu-toggle::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all 0.3s;
}

.menu-toggle::before {
  box-shadow: 0 8px 0 var(--text-dark);
}

.menu-toggle::after {
  box-shadow: 0 -8px 0 var(--text-dark);
}

/* ========== Hero ========== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 70% 20%, rgba(255, 181, 142, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(107, 203, 157, 0.12) 0%, transparent 40%),
    linear-gradient(135deg, #FFEFE3 0%, #FFF9F3 50%, #FFF0E8 100%);
  padding: 140px 0 80px;
}

.hero::before {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 58% 42% 33% 67% / 55% 46% 54% 45%;
  background: linear-gradient(135deg, rgba(255, 181, 142, 0.25), rgba(255, 94, 94, 0.08));
  top: -80px;
  right: -60px;
  z-index: 0;
  animation: peachFloat 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 42% 58% 67% 33% / 46% 55% 45% 54%;
  background: linear-gradient(135deg, rgba(107, 203, 157, 0.18), rgba(255, 224, 204, 0.1));
  bottom: -60px;
  left: -40px;
  z-index: 0;
  animation: peachFloat 10s ease-in-out infinite reverse;
}

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

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, var(--peach-200), var(--peach-100));
  color: var(--peach-600);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid rgba(255, 158, 113, 0.15);
}

.hero h1 {
  font-size: 3.4rem;
  line-height: 1.15;
  margin-bottom: 22px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #F97B55 0%, #FF5E5E 60%, #FFB58E 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--peach-600);
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.75;
  max-width: 560px;
  margin-bottom: 36px;
  color: var(--text-dark);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  position: relative;
  z-index: 2;
}

.hero-image {
  position: relative;
  z-index: 2;
  border-radius: 30% 70% 55% 45% / 45% 40% 60% 55%;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 158, 113, 0.3);
  border: 6px solid rgba(255, 255, 255, 0.6);
}

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

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.3px;
}

.btn-primary {
  background: linear-gradient(135deg, #FF9E71, #FF5E5E);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255, 94, 94, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(255, 94, 94, 0.4);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--peach-400);
  color: var(--peach-600);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: rgba(255, 181, 142, 0.1);
  border-color: var(--peach-600);
  transform: translateY(-3px);
}

/* ========== 标签/标题 ========== */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 14px;
  color: var(--peach-600);
  background: linear-gradient(135deg, var(--peach-100), var(--peach-200));
  padding: 5px 16px;
  border-radius: 50px;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 14px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-dark);
  letter-spacing: -0.5px;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 40px;
  color: var(--text-light);
  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: 24px;
}

.category-card {
  border-radius: 20px;
  padding: 32px 28px;
  border: 1px solid rgba(255, 158, 113, 0.08);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 16px rgba(255, 158, 113, 0.06);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 181, 142, 0.15), rgba(255, 94, 94, 0.05));
  transition: transform 0.4s;
}

.category-card:hover {
  transform: translateY(-8px) rotate(0.5deg);
  border-color: rgba(255, 158, 113, 0.2);
  box-shadow: 0 12px 36px rgba(255, 158, 113, 0.18);
}

.category-card:hover::before {
  transform: scale(1.4);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 45% 55% 60% 40% / 50% 45% 55% 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--peach-200), var(--peach-400));
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 158, 113, 0.3);
  transition: transform 0.3s;
}

.category-card:hover .card-icon {
  transform: rotate(10deg) scale(1.1);
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--peach-600);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
  margin-top: 12px;
}

.card-link::after {
  content: '→';
  transition: transform 0.3s;
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* ========== 特性块 ========== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-image {
  position: relative;
  border-radius: 30% 70% 45% 55% / 50% 40% 60% 50%;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(255, 158, 113, 0.2);
  border: 4px solid rgba(255, 255, 255, 0.5);
}

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

.feature-text {
  position: relative;
  z-index: 1;
}

.feature-list {
  list-style: none;
  margin-top: 20px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--text-dark);
  border-bottom: 1px dashed rgba(255, 158, 113, 0.15);
}

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

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: var(--peach-500);
  font-size: 0.9rem;
  background: var(--peach-100);
  width: 28px;
  height: 28px;
  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: 24px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px;
  border-radius: 20px;
  border: none;
  background: linear-gradient(145deg, #FFFFFF, #FFF0E8);
  box-shadow: 0 4px 20px rgba(255, 158, 113, 0.08);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.stat-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--peach-400), var(--coral));
  opacity: 0.6;
  transition: width 0.3s;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(255, 158, 113, 0.18);
}

.stat-item:hover::before {
  width: 100px;
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--peach-600);
  line-height: 1;
  margin-bottom: 6px;
  background: linear-gradient(135deg, #F97B55, #FF5E5E);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.65;
  margin-top: 6px;
  color: var(--text-dark);
  font-weight: 500;
}

/* ========== 内容墙 ========== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.content-wall-item {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 158, 113, 0.08);
  background: #fff;
  box-shadow: 0 2px 14px rgba(255, 158, 113, 0.06);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 36px rgba(255, 158, 113, 0.18);
  border-color: rgba(255, 158, 113, 0.2);
}

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

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

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

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

.faq-item {
  border: 1px solid rgba(255, 158, 113, 0.12);
  border-radius: 16px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  transition: all 0.35s;
}

.faq-item:hover {
  border-color: rgba(255, 158, 113, 0.3);
  box-shadow: 0 4px 16px rgba(255, 158, 113, 0.1);
}

.faq-item.open {
  border-color: rgba(255, 158, 113, 0.35);
  box-shadow: 0 6px 24px rgba(255, 158, 113, 0.15);
  border-left: 3px solid var(--peach-500);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dark);
  font-size: 1rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--peach-500);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 300;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--peach-100);
  flex-shrink: 0;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
  background: var(--peach-500);
  color: #fff;
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.75;
  color: var(--text-dark);
  line-height: 1.7;
  font-size: 0.95rem;
}

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

@keyframes fadeInUp {
  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, #FF9E71 0%, #FF7B6E 50%, #FF5E5E 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 94, 94, 0.3);
}

.cta-banner::before,
.cta-banner::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.cta-banner::before {
  width: 180px;
  height: 180px;
  top: -60px;
  right: -40px;
  animation: peachFloat 6s ease-in-out infinite;
}

.cta-banner::after {
  width: 120px;
  height: 120px;
  bottom: -40px;
  left: -30px;
  animation: peachFloat 8s ease-in-out infinite reverse;
}

.cta-banner h2 {
  color: #fff;
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
  letter-spacing: -0.5px;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--peach-600);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.15);
}

/* ========== 页脚 ========== */
.site-footer {
  padding: 56px 0 28px;
  background: linear-gradient(180deg, var(--peach-50), var(--peach-100));
  position: relative;
  border-top: 1px solid rgba(255, 158, 113, 0.1);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--peach-400), var(--coral), var(--peach-400), transparent);
  opacity: 0.5;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

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

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

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.footer-col a {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--text-light);
  transition: color 0.3s, transform 0.3s;
}

.footer-col a:hover {
  color: var(--peach-600);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(77, 51, 39, 0.08);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-light);
}

/* ========== 工具类 ========== */
.text-accent {
  color: var(--peach-600);
  font-weight: 600;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: var(--text-light);
  font-size: 1rem;
  line-height: 1.8;
}

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

/* ========== 装饰动画 ========== */
@keyframes peachFloat {
  0%, 100% { transform: translateY(0) rotate(0deg) scale(1); }
  50% { transform: translateY(-20px) rotate(5deg) scale(1.05); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.8; }
}

/* ========== 滚动条美化 ========== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--peach-50);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--peach-400), var(--peach-600));
  border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--peach-500), var(--coral));
}

/* ========== 响应式 ========== */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.6rem;
  }
  
  .feature-block {
    gap: 36px;
  }
  
  .cta-banner {
    padding: 48px 32px;
  }
}

@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
  }

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

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

  .main-nav {
    display: none;
    position: fixed;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(255, 250, 245, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    border-bottom: 1px solid rgba(255, 158, 113, 0.1);
    box-shadow: 0 20px 40px rgba(255, 158, 113, 0.1);
    z-index: 999;
  }

  .main-nav a {
    font-size: 1rem;
    padding: 8px 0;
    width: 100%;
    border-bottom: 1px solid rgba(255, 158, 113, 0.08);
  }

  .main-nav .nav-cta {
    text-align: center;
    width: 100%;
  }

  .menu-toggle {
    display: flex;
    border: none;
    background: none;
  }

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

  .hero h1 {
    font-size: 2.2rem;
  }

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

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .cta-banner {
    border-radius: 24px;
    padding: 40px 24px;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 12px;
  }

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

  .hero h1 {
    font-size: 1.9rem;
  }

  .hero-eyebrow {
    font-size: 0.7rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .content-wall-item img {
    height: 160px;
  }

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

  .cta-banner {
    padding: 36px 20px;
  }
}