/* ============================================
   t66yxyz cl — 精准链接，无限可能
   设计风格：柔和渐变流体 + 粉紫/薄荷调性
   灵感：Awwwards 流体渐变 + 微玻璃态
   ============================================ */

/* 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: linear-gradient(135deg, #f5f0ff 0%, #e8f8f5 50%, #fef9f0 100%);
  color: #2d2b4e;
  min-height: 100vh;
}

/* ============================================
   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: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(4px);
  border-radius: 40px 40px 0 0;
  margin: 0 12px;
  box-shadow: 0 -8px 32px rgba(136, 96, 208, 0.06);
}

/* ============================================
   导航 — 固定顶部，微玻璃态
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(180, 160, 220, 0.15);
  box-shadow: 0 4px 24px rgba(136, 96, 208, 0.04);
}

.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: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: #3a2d6b;
  letter-spacing: -0.3px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #b8a9e8, #7fd1c0);
  color: #fff;
  box-shadow: 0 2px 12px rgba(136, 96, 208, 0.25);
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: #4a3f72;
  transition: 0.25s ease;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #b8a9e8, #7fd1c0);
  transition: width 0.3s ease;
  border-radius: 2px;
}

.main-nav a:hover {
  color: #5d4a9e;
}

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

.nav-cta {
  padding: 10px 24px;
  border-radius: 40px;
  color: #fff !important;
  font-weight: 600;
  background: linear-gradient(135deg, #b8a9e8, #7fd1c0);
  box-shadow: 0 4px 16px rgba(136, 96, 208, 0.2);
  transition: 0.3s ease;
}

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

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(136, 96, 208, 0.3);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #3a2d6b;
  padding: 4px 8px;
  border-radius: 8px;
  background: rgba(184, 169, 232, 0.12);
}

/* ============================================
   首页Hero — 流体渐变 + 柔和阴影
   ============================================ */
.hero {
  min-height: 75vh;
  display: flex;
  align-items: center;
  position: relative;
  background: radial-gradient(ellipse at 20% 50%, rgba(184, 169, 232, 0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 30%, rgba(127, 209, 192, 0.10) 0%, transparent 50%);
  padding-top: 68px;
}

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

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 40px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(184, 169, 232, 0.2), rgba(127, 209, 192, 0.2));
  color: #5d4a9e;
  border: 1px solid rgba(184, 169, 232, 0.2);
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: 3.2rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
  background: linear-gradient(135deg, #3a2d6b, #5d4a9e, #4a8b7c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.7;
  max-width: 560px;
  margin-bottom: 36px;
  color: #4a3f72;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(136, 96, 208, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

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

/* ============================================
   按钮 — 圆润柔和
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 40px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: 0.25s ease;
  font-size: 0.95rem;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #b8a9e8, #7fd1c0);
  box-shadow: 0 4px 16px rgba(136, 96, 208, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(136, 96, 208, 0.3);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid #b8a9e8;
  color: #5d4a9e;
}

.btn-outline:hover {
  background: rgba(184, 169, 232, 0.08);
  border-color: #7fd1c0;
}

/* ============================================
   标签/标题
   ============================================ */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  margin-bottom: 12px;
  text-transform: uppercase;
  color: #7d6bb3;
  background: rgba(184, 169, 232, 0.12);
  padding: 4px 14px;
  border-radius: 40px;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 14px;
  font-weight: 700;
  color: #3a2d6b;
  letter-spacing: -0.3px;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 40px;
  color: #4a3f72;
  line-height: 1.7;
}

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

.category-card {
  border-radius: 20px;
  padding: 32px 28px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  transition: 0.3s ease;
  box-shadow: 0 4px 20px rgba(136, 96, 208, 0.04);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(136, 96, 208, 0.12);
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(184, 169, 232, 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, #e8e0ff, #d4f5ee);
  color: #5d4a9e;
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: #7d6bb3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: 0.2s;
}

.card-link:hover {
  color: #5d4a9e;
  gap: 10px;
}

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

.feature-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(136, 96, 208, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

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

.feature-text {
  padding: 12px 0;
}

.feature-list {
  list-style: none;
  margin-top: 16px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #4a3f72;
}

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: #7fd1c0;
  font-size: 1rem;
}

/* ============================================
   数据条
   ============================================ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 28px 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  transition: 0.3s;
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, #3a2d6b, #7fd1c0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 6px;
  color: #4a3f72;
}

/* ============================================
   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;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  transition: 0.3s ease;
}

.content-wall-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(136, 96, 208, 0.1);
  background: rgba(255, 255, 255, 0.7);
}

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

.content-wall-body {
  padding: 22px 20px;
}

.content-wall-body h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: #3a2d6b;
}

.content-wall-body p {
  font-size: 0.9rem;
  opacity: 0.65;
  color: #4a3f72;
}

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

.faq-item {
  border: 1px solid rgba(184, 169, 232, 0.15);
  border-radius: 16px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(4px);
  transition: 0.2s;
}

.faq-item:hover {
  background: rgba(255, 255, 255, 0.6);
  border-color: rgba(184, 169, 232, 0.25);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #3a2d6b;
  font-size: 1rem;
}

.faq-item .faq-question::after {
  content: '↓';
  transition: 0.3s;
  font-size: 0.9rem;
  opacity: 0.5;
}

.faq-item.open .faq-question::after {
  transform: rotate(180deg);
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  color: #4a3f72;
  line-height: 1.7;
}

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

/* ============================================
   CTA横幅
   ============================================ */
.cta-banner {
  padding: 64px 32px;
  text-align: center;
  border-radius: 28px;
  color: #fff;
  background: linear-gradient(135deg, #b8a9e8, #7fd1c0, #a8d8ea);
  box-shadow: 0 12px 40px rgba(136, 96, 208, 0.15);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(255,255,255,0.1) 0%, transparent 50%);
  pointer-events: none;
}

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

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 500px;
  margin: 0 auto 28px;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #5d4a9e;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.cta-banner .btn-primary:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* ============================================
   页脚
   ============================================ */
.site-footer {
  padding: 64px 0 28px;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(184, 169, 232, 0.1);
  margin-top: 40px;
}

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

.footer-brand {
  color: #3a2d6b;
}

.footer-brand p {
  opacity: 0.6;
  margin-top: 12px;
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: #3a2d6b;
}

.footer-col a {
  display: block;
  text-decoration: none;
  color: #4a3f72;
  opacity: 0.65;
  font-size: 0.9rem;
  padding: 4px 0;
  transition: 0.2s;
}

.footer-col a:hover {
  opacity: 1;
  color: #5d4a9e;
}

.footer-bottom {
  border-top: 1px solid rgba(184, 169, 232, 0.12);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #4a3f72;
  opacity: 0.5;
}

/* ============================================
   工具类
   ============================================ */
.text-accent {
  color: #7fd1c0;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: #4a3f72;
  line-height: 1.7;
}

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

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

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.6rem;
  }
}

@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    padding: 24px 28px;
    gap: 16px;
    border-bottom: 1px solid rgba(184, 169, 232, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
  }

  .hero {
    min-height: 60vh;
  }

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

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

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

@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;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .section {
    padding: 48px 0;
  }

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