:root {
  --cream: #FFF8F0;
  --cream-2: #FFF3E6;
  --white: #FFFFFF;
  --mint-bg: #F0F7F3;
  --mint-2: #E0F0E8;
  --pink: #FF5E7E;
  --pink-light: #FF8A7A;
  --coral: #FF9A8B;
  --green: #5BC0A1;
  --green-dark: #2E8B57;
  --yellow: #FFC94A;
  --ink: #1F4A3C;
  --muted: #6A8A7E;
  --line: #DEE8E0;
}

/* ===== 基础重置 ===== */
*, *::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:
    radial-gradient(rgba(255, 94, 126, 0.03) 2px, transparent 2px),
    var(--cream);
  background-size: 28px 28px, auto;
  color: var(--ink);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 800;
}

a {
  color: inherit;
}

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

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

.section {
  padding: 80px 0;
}

.section:nth-child(even) {
  background: var(--mint-bg);
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 248, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 20px rgba(31, 74, 60, 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: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: linear-gradient(135deg, var(--pink), var(--coral));
  color: #fff;
  box-shadow: 0 6px 16px rgba(255, 94, 126, 0.35);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 50px;
  transition: all 0.25s ease;
}

.main-nav a:hover {
  color: var(--pink);
  background: rgba(255, 94, 126, 0.08);
}

.nav-cta {
  padding: 9px 22px !important;
  border-radius: 50px !important;
  background: linear-gradient(135deg, var(--pink), var(--coral));
  color: #fff !important;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(255, 94, 126, 0.3);
  margin-left: 10px;
}

.nav-cta:hover {
  color: #fff !important;
  background: linear-gradient(135deg, var(--pink), var(--coral));
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(255, 94, 126, 0.4);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  position: relative;
  border-radius: 10px;
}

.menu-toggle::before {
  content: '';
  position: absolute;
  top: 11px;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--ink);
  box-shadow: 0 7px 0 var(--ink), 0 14px 0 var(--ink);
  border-radius: 2px;
  transition: all 0.3s;
}

.menu-toggle.active::before {
  transform: rotate(45deg);
  box-shadow: 0 7px 0 transparent, 0 14px 0 transparent;
}

.menu-toggle.active::after {
  content: '';
  position: absolute;
  top: 19px;
  left: 10px;
  width: 20px;
  height: 2px;
  background: var(--ink);
  transform: rotate(-45deg);
  border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  gap: 64px;
  padding: 72px 0 40px;
  position: relative;
  background:
    radial-gradient(rgba(255, 94, 126, 0.06) 2px, transparent 2px),
    linear-gradient(140deg, var(--cream) 20%, #FFF0F3 100%);
  background-size: 28px 28px, cover;
}

.hero::before {
  content: '';
  position: absolute;
  right: 6%;
  top: 12%;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(255, 201, 74, 0.3);
  animation: float 6s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  right: 12%;
  bottom: 10%;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(91, 192, 161, 0.4);
  animation: float 8s ease-in-out infinite reverse;
}

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

.hero-content {
  flex: 1;
  max-width: 620px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  background: linear-gradient(135deg, rgba(255, 94, 126, 0.12), rgba(255, 154, 139, 0.18));
  color: var(--pink);
  letter-spacing: 0.4px;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 94, 126, 0.2);
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4rem);
  font-weight: 900;
  letter-spacing: -2px;
  margin-bottom: 24px;
  color: var(--ink);
}

.hero h1 .text-accent {
  display: block;
  color: var(--pink);
  position: relative;
  width: fit-content;
}

.hero h1 .text-accent::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 10px;
  background: rgba(255, 201, 74, 0.5);
  z-index: -1;
  border-radius: 8px;
}

.hero p {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 500px;
  margin-bottom: 36px;
}

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

.hero-image {
  flex: 0 0 380px;
  height: 380px;
  border-radius: 50%;
  position: relative;
  background: linear-gradient(135deg, var(--pink), var(--coral) 50%, var(--green));
  box-shadow:
    0 0 0 14px var(--mint-2),
    0 0 0 20px var(--pink),
    0 25px 60px rgba(255, 94, 126, 0.2);
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  mix-blend-mode: multiply;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 30%, rgba(255, 255, 255, 0.4) 0%, transparent 50%);
  z-index: 2;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s ease;
  letter-spacing: 0.2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--pink), var(--coral));
  color: #fff;
  box-shadow: 0 8px 24px rgba(255, 94, 126, 0.32);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(255, 94, 126, 0.42);
}

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

.btn-outline:hover {
  background: rgba(91, 192, 161, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(91, 192, 161, 0.18);
}

/* ===== 标签 / 标题 ===== */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: var(--pink);
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  color: var(--ink);
}

.section-desc {
  max-width: 600px;
  color: var(--muted);
  margin-bottom: 40px;
  font-size: 1.05rem;
}

/* ===== 卡片网格 ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.category-card {
  background: var(--white);
  border-radius: 24px;
  padding: 30px 28px;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--pink), var(--coral), var(--green));
  opacity: 0;
  transition: opacity 0.3s;
}

.category-card:hover {
  transform: translateY(-6px) rotate(-0.3deg);
  box-shadow:
    0 20px 40px rgba(255, 94, 126, 0.08),
    0 10px 20px rgba(31, 74, 60, 0.06);
  border-color: rgba(255, 94, 126, 0.2);
}

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: rgba(255, 94, 126, 0.1);
  color: var(--pink);
  transition: transform 0.3s;
}

.category-card:nth-child(2) .card-icon {
  background: rgba(91, 192, 161, 0.1);
  color: var(--green-dark);
}

.category-card:nth-child(3) .card-icon {
  background: rgba(255, 201, 74, 0.14);
  color: #d49a00;
}

.category-card:nth-child(4) .card-icon {
  background: rgba(155, 126, 222, 0.1);
  color: #8b5cf6;
}

.category-card:hover .card-icon {
  transform: scale(1.1) rotate(-6deg);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--pink);
  margin-top: 16px;
  transition: gap 0.2s;
}

.card-link:hover {
  gap: 12px;
}

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

.feature-image {
  border-radius: 32px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, var(--mint-2), #fff);
  box-shadow: 0 16px 40px rgba(31, 74, 60, 0.08);
}

.feature-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.feature-image:hover img {
  transform: scale(1.03);
}

.feature-text {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-ear {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--green-dark);
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(91, 192, 161, 0.1);
  padding: 6px 16px;
  border-radius: 50px;
  width: fit-content;
}

.feature-list {
  list-style: none;
  margin-top: 8px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--ink);
}

.feature-list li::before {
  content: '●';
  font-weight: 900;
  color: var(--pink);
  font-size: 0.5rem;
  background: rgba(255, 94, 126, 0.12);
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  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: 24px;
  border: 1px solid var(--line);
  background: var(--white);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-item:nth-child(1) {
  background: linear-gradient(135deg, #FFF0F0, #FFE7E9);
  border-color: rgba(255, 94, 126, 0.08);
}

.stat-item:nth-child(2) {
  background: linear-gradient(135deg, #EAF9F2, #DFF5EB);
  border-color: rgba(91, 192, 161, 0.08);
}

.stat-item:nth-child(3) {
  background: linear-gradient(135deg, #FFF8E6, #FFF3D0);
  border-color: rgba(255, 201, 74, 0.08);
}

.stat-item:nth-child(4) {
  background: linear-gradient(135deg, #F0EDFF, #E4E9FF);
  border-color: rgba(155, 126, 222, 0.08);
}

.stat-item:hover {
  transform: translateY(-4px) rotate(0.5deg);
  box-shadow: 0 16px 32px rgba(31, 74, 60, 0.08);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--pink), var(--green-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

.content-wall-item {
  background: var(--white);
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  transition: all 0.35s ease;
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(31, 74, 60, 0.08);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  interval: none;
  transition: transform 0.5s ease;
}

.content-wall-item:hover img {
  transform: scale(1.03);
}

.content-wall-body {
  padding: 22px 24px 24px;
}

.content-wall-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.content-wall-body p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.content-wall-body .card-link {
  margin-top: 0;
}

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

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(255, 94, 126, 0.25);
  box-shadow: 0 4px 16px rgba(255, 94, 126, 0.05);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 1.02rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--pink);
  flex-shrink: 0;
  transition: transform 0.3s ease;
  line-height: 1;
}

.faq-item .faq-answer {
  padding: 0 24px 18px;
  display: none;
  color: var(--muted);
  font-size: 0.95rem;
  border-top: 1px dashed var(--line);
  margin: 0 24px;
  padding-left: 0;
  padding-right: 0;
  padding-top: 12px;
  margin-top: 0;
}

.faq-item.open {
  border-color: rgba(255, 94, 126, 0.3);
  box-shadow: 0 8px 24px rgba(255, 94, 126, 0.08);
  border-radius: 18px 18px 18px 18px;
}

.faq-item.open .faq-answer {
  display: block;
}

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

/* ===== CTA 横幅 ===== */
.cta-banner {
  padding: 64px 48px;
  text-align: center;
  border-radius: 36px;
  color: #fff;
  background: linear-gradient(135deg, var(--pink), var(--coral) 50%, var(--green));
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(255, 94, 126, 0.2);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 10%;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.cta-banner > * {
  position: relative;
  z-index: 2;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  margin-bottom: 12px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--pink);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.cta-banner .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 64px 0 28px;
  background: rgba(232, 245, 238, 0.8);
  color: var(--ink);
  background-image: radial-gradient(rgba(91, 192, 161, 0.08) 2px, transparent 2px);
  background-size: 24px 24px;
}

.site-footer .container {
  position: relative;
  z-index: 2;
}

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

.footer-brand {
  padding-right: 24px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 280px;
  margin-top: 8px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ink);
}

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

.footer-col a:hover {
  color: var(--pink);
  padding-left: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(31, 74, 60, 0.1);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

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

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  color: var(--muted);
  text-align: center;
  line-height: 1.7;
}

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

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

/* ===== 响应式 ===== */
@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;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255, 248, 240, 0.98);
    padding: 24px;
    gap: 8px;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(31, 74, 60, 0.06);
  }

  .main-nav.open a {
    display: block;
    padding: 14px 20px;
    font-size: 1rem;
  }

  .main-nav.open .nav-cta {
    margin-left: 0;
    text-align: center;
    margin-top: 12px;
  }

  .hero {
    flex-direction: column;
    gap: 48px;
    text-align: center;
    padding-top: 80px;
    min-height: auto;
  }

  .hero-content {
    margin: 0 auto;
  }

  .hero-content h1 .text-accent::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .hero h1 span.text-accent {
    margin: 0 auto;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-image {
    flex: 0 0 260px;
    width: 260px;
    height: 260px;
    margin: 0 auto;
    box-shadow:
      0 0 0 10px var(--mint-2),
      0 0 0 14px var(--pink),
      0 20px 40px rgba(255, 94, 126, 0.18);
  }

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

  .cta-banner h2 {
    font-size: 1.6rem;
  }

  .section {
    padding: 60px 0;
  }
}

@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;
    width: 100%;
  }

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

  .hero h1 {
    font-size: 2.1rem;
  }

  .hero-image {
    display: block;
  }

  .section {
    padding: 48px 0;
  }

  .stats-bar {
    gap: 16px;
  }

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