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

:root {
  --primary: #FF5C8A;
  --primary-dark: #E8436E;
  --primary-light: #FFB8D0;
  --secondary: #6C5CE7;
  --secondary-light: #A78BFA;
  --accent: #FFD93D;
  --bg: #FFF9F7;
  --bg-alt: #FFF0F4;
  --text: #2D2240;
  --text-muted: #8A7B9C;
  --border: rgba(255, 92, 138, 0.12);
  --card-bg: rgba(255, 255, 255, 0.85);
  --shadow-sm: 0 4px 16px rgba(255, 92, 138, 0.08);
  --shadow-lg: 0 16px 48px rgba(255, 92, 138, 0.18);
  --gradient: linear-gradient(135deg, #FF5C8A 0%, #6C5CE7 100%);
  --radius: 20px;
  --radius-sm: 12px;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: var(--bg);
  background-image: radial-gradient(rgba(255, 92, 138, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--text);
  line-height: 1.8;
  font-size: 0.95rem;
}

::selection { background: var(--primary); color: #fff; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--primary), var(--secondary)); border-radius: 10px; }

/* ===== 核心布局 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

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

.section:nth-child(even) {
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
}

/* ===== 顶部导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 249, 247, 0.88);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid rgba(255, 92, 138, 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: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--text);
  letter-spacing: 1px;
}

.logo:hover { color: var(--primary); transition: var(--transition); }

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 92, 138, 0.35);
  transform: rotate(-6deg);
  transition: transform 0.4s;
}

.logo:hover .logo-icon { transform: rotate(6deg) scale(1.05); }

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 4px 0;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
  transition: width 0.35s ease;
}

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

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

.nav-cta {
  padding: 10px 24px;
  border-radius: 50px;
  color: #fff !important;
  font-weight: 600;
  background: var(--gradient);
  box-shadow: 0 4px 16px rgba(255, 92, 138, 0.35);
  transition: var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(108, 92, 231, 0.35);
}

.menu-toggle { display: none; }

/* ===== Hero区 ===== */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 140px 0 100px;
  background: linear-gradient(135deg, #FFF0F3 0%, #FFE4EC 30%, #F0EAFF 70%, #FFF9F7 100%);
  border-radius: 0 0 60px 60px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(255, 92, 138, 0.12);
  filter: blur(100px);
  top: -120px;
  right: 5%;
  animation: float 8s ease-in-out infinite alternate;
}

.hero::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(108, 92, 231, 0.12);
  filter: blur(90px);
  bottom: -80px;
  left: 10%;
  animation: float 10s ease-in-out infinite alternate-reverse;
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  width: 100%;
}

@keyframes float {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(30px) scale(1.05); }
}

.hero-content { flex: 1; min-width: 0; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 92, 138, 0.25);
  color: var(--primary);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 12px rgba(255, 92, 138, 0.1);
}

.hero-eyebrow::before {
  content: '♥';
  font-size: 0.7rem;
  animation: pulse 1.5s ease-in-out infinite;
}

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

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.15;
  margin-bottom: 24px;
  font-weight: 900;
  letter-spacing: -2px;
  color: var(--text);
  background: linear-gradient(120deg, #2D2240 20%, #6C5CE7 55%, #FF5C8A 85%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.7;
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.9;
  color: var(--text);
}

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

.hero-image {
  flex: 1;
  min-width: 0;
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 24px 60px rgba(255, 92, 138, 0.2);
  transform: rotate(2deg);
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-image:hover { transform: rotate(0deg) scale(1.02); }

.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 92, 138, 0.1), transparent 50%);
  pointer-events: none;
}

.hero-image img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.btn-primary {
  color: #fff;
  background: var(--gradient);
  box-shadow: 0 8px 24px rgba(255, 92, 138, 0.35);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(255, 92, 138, 0.45);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.6);
  border: 2px solid var(--primary);
  color: var(--primary);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 92, 138, 0.25);
}

/* ===== 标题与标签 ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 14px;
  color: var(--primary);
  text-transform: uppercase;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  margin-bottom: 16px;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.25;
  color: var(--text);
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 48px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ===== 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);
  padding: 32px 28px;
  border: 1px solid rgba(255, 92, 138, 0.1);
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  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);
  background: #fff;
}

.category-card:nth-child(1) .card-icon { background: rgba(255, 92, 138, 0.15); color: var(--primary); }
.category-card:nth-child(2) .card-icon { background: rgba(108, 92, 231, 0.15); color: var(--secondary); }
.category-card:nth-child(3) .card-icon { background: rgba(255, 217, 61, 0.2); color: #D4A800; }
.category-card:nth-child(4) .card-icon { background: rgba(0, 200, 150, 0.15); color: #00A884; }
.category-card:nth-child(5) .card-icon { background: rgba(255, 92, 138, 0.15); color: var(--primary); }

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  transition: transform 0.3s;
}

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

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  transition: gap 0.3s;
}

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

.card-link::after { content: '→'; }

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

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

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(45, 34, 64, 0.15), transparent 60%);
}

.feature-image img { width: 100%; height: auto; display: block; transition: transform 0.5s; }

.feature-image:hover img { transform: scale(1.04); }

.feature-text h3 { font-size: 1.6rem; font-weight: 800; margin-bottom: 16px; }

.feature-text p { opacity: 0.7; margin-bottom: 20px; color: var(--text-muted); }

.feature-list { list-style: none; margin-top: 12px; }

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
}

.feature-list li::before {
  content: '♡';
  font-weight: 900;
  color: var(--primary);
  font-size: 1.2rem;
  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 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 92, 138, 0.1);
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-item::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 92, 138, 0.08);
  top: -30px;
  right: -30px;
  transition: transform 0.4s;
}

.stat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }

.stat-item:hover::after { transform: scale(2); }

.stat-number {
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label { font-size: 0.9rem; opacity: 0.55; margin-top: 8px; letter-spacing: 1px; }

/* ===== 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);
  overflow: hidden;
  border: 1px solid rgba(255, 92, 138, 0.08);
  background: #fff;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.content-wall-item:hover {
  transform: translateY(-8px) rotate(-0.5deg);
  box-shadow: var(--shadow-lg);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

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

.content-wall-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }

.content-wall-body p { font-size: 0.85rem; opacity: 0.6; margin-bottom: 16px; }

.content-wall-body .tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(255, 92, 138, 0.1);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 6px;
}

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

.faq-item {
  border: 1px solid rgba(255, 92, 138, 0.1);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(255, 92, 138, 0.3);
  box-shadow: var(--shadow-sm);
}

.faq-item.open {
  border-color: var(--primary);
  box-shadow: 0 8px 32px rgba(255, 92, 138, 0.12);
  background: #fff;
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--primary);
  flex-shrink: 0;
  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: 0.7;
  color: var(--text);
  line-height: 1.9;
  font-size: 0.9rem;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 0.7; transform: translateY(0); }
}

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

/* ===== CTA横幅 ===== */
.cta-banner {
  padding: 80px 48px;
  text-align: center;
  border-radius: 32px;
  color: #fff;
  background: linear-gradient(135deg, #FF5C8A 0%, #E8436E 35%, #6C5CE7 100%);
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(255, 92, 138, 0.35);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 40px rgba(255, 255, 255, 0.04);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(108, 92, 231, 0.3);
  filter: blur(20px);
}

.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 500px;
  margin: 0 auto 32px;
  font-size: 1rem;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: #f8f0f2;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 80px 0 32px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  border-top: 1px solid rgba(255, 92, 138, 0.1);
  margin-top: 40px;
}

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

.footer-brand p {
  opacity: 0.6;
  font-size: 0.88rem;
  margin-top: 16px;
  max-width: 280px;
  line-height: 1.9;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 1px;
  color: var(--text);
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 6px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 92, 138, 0.1);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  opacity: 0.7;
  letter-spacing: 1px;
}

/* ===== 工具类 ===== */
.text-accent {
  color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.seo-description {
  max-width: 620px;
  margin: 0 auto 56px;
  opacity: 0.65;
  color: var(--text-muted);
  line-height: 1.9;
  text-align: center;
}

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

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero .container { flex-direction: column; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-image { max-width: 560px; width: 100%; transform: none; margin: 0 auto; }
  .hero-image:hover { transform: scale(1.02); }
  .feature-block { gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  
  .feature-block { grid-template-columns: 1fr; gap: 40px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(255, 249, 247, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    box-shadow: 0 20px 40px rgba(45, 34, 64, 0.06);
    border-bottom: 1px solid rgba(255, 92, 138, 0.1);
    border-radius: 0 0 24px 24px;
  }
  
  .main-nav.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
  }
  
  .main-nav a {
    padding: 12px 0;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255, 92, 138, 0.06);
  }
  
  .main-nav a:not(.nav-cta)::after { display: none; }
  
  .nav-cta {
    display: block;
    text-align: center;
    border-radius: 50px;
    padding: 14px;
    margin-top: 8px;
    border-bottom: none !important;
  }
  
  .menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
  }
  
  .menu-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--text);
    border-radius: 4px;
    transition: var(--transition);
  }
  
  .menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--primary); }
  .menu-toggle.active span:nth-child(2) { opacity: 0; }
  .menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--primary); }
  
  .hero { padding: 120px 0 60px; border-radius: 0 0 36px 36px; }
  .hero h1 { font-size: 2rem; letter-spacing: -1px; }
  .hero p { font-size: 0.95rem; }
  
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 320px; }
  
  .cta-banner { padding: 56px 24px; border-radius: 24px; }
  .cta-banner h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .cards-grid, .content-wall, .stats-bar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; text-align: left; }
  .hero-buttons { flex-direction: column; }
  .container { padding: 0 20px; }
  .section-title { font-size: 1.6rem; }
  .stat-number { font-size: 1.8rem; }
  .feature-block { gap: 24px; }
}