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

:root {
  --peach: #FF9A76;
  --peach-deep: #FF6F50;
  --peach-soft: #FFD9C7;
  --teal: #26A69A;
  --teal-soft: #B2DFDB;
  --gold: #FFD54F;
  --cream: #FFFBF0;
  --ivory: #FFF8EE;
  --brown: #5D4037;
  --brown-light: #8D6E63;
  --white: #FFFFFF;
  --shadow-sm: 0 4px 12px rgba(255, 154, 118, 0.15);
  --shadow-lg: 0 20px 40px rgba(255, 154, 118, 0.22);
  --radius-card: 24px;
  --radius-btn: 50px;
}

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

::selection {
  background: var(--peach);
  color: var(--white);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

/* 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(120deg, var(--ivory), var(--peach-soft));
}

/* 导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 251, 240, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 154, 118, 0.25);
  transition: box-shadow 0.3s ease;
}

.site-header:hover {
  box-shadow: 0 8px 32px rgba(255, 154, 118, 0.12);
}

.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: 10px;
  font-weight: 900;
  font-size: 1.35rem;
  text-decoration: none;
  color: var(--brown);
  letter-spacing: 1px;
  position: relative;
}

.logo:hover .logo-icon {
  transform: rotate(-8deg) scale(1.1);
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--peach), var(--gold));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--white);
  box-shadow: 0 4px 12px rgba(255, 154, 118, 0.4);
  transition: transform 0.25s ease;
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--brown);
  padding: 6px 0;
  position: relative;
  transition: color 0.2s ease;
}

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

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

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

.nav-cta {
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  color: var(--white) !important;
  background: linear-gradient(135deg, var(--peach), var(--peach-deep));
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(255, 111, 80, 0.35);
  transition: all 0.3s ease;
}

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

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255, 111, 80, 0.45);
}

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

.menu-toggle::before,
.menu-toggle::after,
.menu-toggle span {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--brown);
  border-radius: 2px;
  transition: 0.3s;
}

/* Hero */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
  background:
    radial-gradient(circle at 85% 15%, rgba(255, 154, 118, 0.30), transparent 55%),
    radial-gradient(circle at 15% 85%, rgba(38, 166, 154, 0.18), transparent 50%);
  overflow: hidden;
}

.hero::before {
  content: '🍑';
  position: absolute;
  top: -30px;
  right: -20px;
  font-size: 16rem;
  opacity: 0.08;
  transform: rotate(15deg);
  pointer-events: none;
}

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

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 18px;
  background: linear-gradient(120deg, var(--teal-soft), var(--gold));
  color: var(--brown);
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
}

.hero h1 {
  font-size: 3.4rem;
  line-height: 1.15;
  margin-bottom: 22px;
  font-weight: 900;
  color: var(--brown);
  letter-spacing: -1px;
  background: linear-gradient(120deg, var(--peach-deep), var(--teal), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.78;
  max-width: 560px;
  margin-bottom: 36px;
  color: var(--brown-light);
}

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

.hero-image {
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 154, 118, 0.35);
  border: 4px solid var(--white);
  transform: rotate(1.5deg);
  transition: transform 0.4s ease;
}

.hero-image:hover {
  transform: rotate(0deg);
}

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--peach), var(--peach-deep));
  color: var(--white);
  box-shadow: 0 8px 24px rgba(255, 111, 80, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(255, 111, 80, 0.45);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--teal);
  color: var(--teal);
}

.btn-outline:hover {
  background: var(--teal);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(38, 166, 154, 0.3);
}

/* 标签/标题 */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--teal);
  background: rgba(38, 166, 154, 0.08);
  padding: 4px 14px;
  border-radius: 6px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 900;
  margin-bottom: 16px;
  color: var(--brown);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 60px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--peach), var(--gold));
}

.text-center .section-title::after {
  left: 50%;
  transform: translateX(-50%);
}

.section-desc {
  max-width: 620px;
  opacity: 0.72;
  margin-bottom: 44px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.text-center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* 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-card);
  padding: 32px 28px;
  border: 1px solid rgba(255, 154, 118, 0.15);
  background: var(--white);
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
}

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

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

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--peach-soft), var(--teal-soft));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.card-link {
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  color: var(--peach-deep);
  transition: color 0.2s;
}

.card-link:hover {
  color: var(--teal);
}

/* 特性块 */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.feature-image {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--white);
}

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

.feature-text {
  padding: 0;
}

.feature-text .section-title {
  margin-top: 10px;
}

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

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  border-bottom: 1px dashed rgba(255, 154, 118, 0.25);
}

.feature-list li::before {
  content: '✓';
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--peach), var(--gold));
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--white);
  font-size: 0.9rem;
  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 24px;
  border-radius: var(--radius-card);
  border: 1px solid rgba(255, 154, 118, 0.15);
  background: var(--white);
  transition: transform 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  background: linear-gradient(120deg, var(--peach-deep), var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.92rem;
  opacity: 0.65;
  margin-top: 8px;
  color: var(--brown-light);
}

/* 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-card);
  overflow: hidden;
  border: 1px solid rgba(255, 154, 118, 0.15);
  background: var(--white);
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

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

.content-wall-body h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--brown);
}

.content-wall-body p {
  font-size: 0.9rem;
  opacity: 0.7;
  line-height: 1.6;
}

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

.faq-item {
  border: 1px solid rgba(255, 154, 118, 0.2);
  border-radius: 18px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--white);
  transition: box-shadow 0.3s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--brown);
  position: relative;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--peach-deep);
  transition: transform 0.3s ease;
}

.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;
  border-top: 1px dashed rgba(255, 154, 118, 0.2);
}

.faq-item.open .faq-answer {
  display: block;
  padding-top: 16px;
}

/* CTA横幅 */
.cta-banner {
  padding: 70px 32px;
  text-align: center;
  border-radius: 36px;
  color: var(--white);
  background: linear-gradient(120deg, var(--peach-deep), var(--teal), var(--gold));
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
  position: relative;
  overflow: hidden;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.cta-banner h2 {
  color: var(--white);
  font-size: 2.3rem;
  margin-bottom: 12px;
  font-weight: 900;
}

.cta-banner p {
  opacity: 0.9;
  margin-bottom: 28px;
}

.cta-banner .btn-primary {
  background: var(--white);
  color: var(--peach-deep);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.cta-banner .btn-primary:hover {
  transform: scale(1.05);
}

/* 页脚 */
.site-footer {
  padding: 64px 0 32px;
  background: linear-gradient(180deg, var(--ivory), var(--peach-soft));
  color: var(--brown);
  border-top: 1px solid rgba(255, 154, 118, 0.2);
}

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

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

.footer-brand p {
  opacity: 0.7;
  max-width: 280px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--peach);
  border-radius: 2px;
}

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

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.2s, padding-left 0.2s;
}

.footer-col a:hover {
  opacity: 1;
  padding-left: 6px;
  color: var(--peach-deep);
}

.footer-bottom {
  border-top: 1px solid rgba(93, 64, 55, 0.15);
  margin-top: 44px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.65;
}

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

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

.seo-description {
  max-width: 640px;
  margin: 0 auto 48px;
  opacity: 0.75;
  line-height: 1.8;
}

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

/* 响应式 */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.4rem;
  }

  .hero::before {
    font-size: 10rem;
  }

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

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

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

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255, 251, 240, 0.96);
    backdrop-filter: blur(20px);
    padding: 20px 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    border-bottom: 1px solid rgba(255, 154, 118, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
  }

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

  .menu-toggle {
    display: flex;
  }

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

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 2rem;
  }
}

@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;
    align-items: stretch;
  }

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

  .cta-banner {
    padding: 48px 20px;
    border-radius: 24px;
  }

  .cta-banner h2 {
    font-size: 1.8rem;
  }

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