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

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  background: linear-gradient(135deg, #faf5ff 0%, #fef7f7 40%, #f5f0ff 100%);
  color: #2d1b4e;
  line-height: 1.6;
  min-height: 100vh;
}

/* 背景光晕装饰 */
body::before {
  content: '';
  position: fixed;
  top: -40%;
  right: -20%;
  width: 80vw;
  height: 80vw;
  background: radial-gradient(circle, rgba(196, 160, 255, 0.12) 0%, rgba(255, 232, 240, 0.08) 40%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -30%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(248, 180, 200, 0.10) 0%, rgba(196, 160, 255, 0.06) 40%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

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

.section:nth-child(even) {
  background: rgba(255, 255, 255, 0.60);
  backdrop-filter: blur(4px);
}

/* 钻石光纹装饰 */
.section::after {
  display: none;
}

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid rgba(196, 160, 255, 0.15);
  transition: 0.3s;
}

.site-header:hover {
  background: rgba(255, 255, 255, 0.95);
}

.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: #2d1b4e;
  letter-spacing: 1px;
  position: relative;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: linear-gradient(135deg, #c4a0ff, #f8b4c8);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.logo-icon::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.6) 50%, transparent 60%);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%) rotate(25deg); }
  100% { transform: translateX(200%) rotate(25deg); }
}

.logo span:last-child {
  background: linear-gradient(135deg, #7c3aed, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.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: #4a3a6a;
  transition: 0.3s;
  position: relative;
  padding: 4px 0;
  letter-spacing: 0.3px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #c4a0ff, #f8b4c8);
  transition: 0.3s;
  border-radius: 2px;
}

.main-nav a:hover {
  color: #7c3aed;
}

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

.nav-cta {
  padding: 10px 24px !important;
  border-radius: 50px !important;
  color: #fff !important;
  font-weight: 600 !important;
  background: linear-gradient(135deg, #c4a0ff, #a78bfa) !important;
  box-shadow: 0 4px 16px rgba(196, 160, 255, 0.35);
  transition: 0.3s !important;
  border: none !important;
}

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

.nav-cta:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 28px rgba(196, 160, 255, 0.45) !important;
  color: #fff !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: #2d1b4e;
  border-radius: 2px;
  transition: 0.3s;
}

/* ========== Hero ========== */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  margin-top: 0;
  padding-top: 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 70vmin;
  height: 70vmin;
  background: radial-gradient(circle, rgba(196, 160, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 50vmin;
  height: 50vmin;
  background: radial-gradient(circle, rgba(248, 180, 200, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

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

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(196, 160, 255, 0.20), rgba(248, 180, 200, 0.20));
  color: #7c3aed;
  letter-spacing: 2px;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(196, 160, 255, 0.20);
}

.hero h1 {
  font-size: 3.4rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #2d1b4e, #7c3aed, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.65;
  max-width: 560px;
  margin-bottom: 36px;
  color: #4a3a6a;
  line-height: 1.7;
}

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

.hero-image {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(196, 160, 255, 0.15);
  position: relative;
}

.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(196, 160, 255, 0.10), transparent);
  pointer-events: none;
}

.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: 50px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: 0.3s;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #c4a0ff, #7c3aed);
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.30);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.40);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(196, 160, 255, 0.40);
  color: #7c3aed;
}

.btn-outline:hover {
  background: rgba(196, 160, 255, 0.10);
  border-color: #c4a0ff;
  transform: translateY(-2px);
}

/* ========== 标签/标题 ========== */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 14px;
  color: #c4a0ff;
  text-transform: uppercase;
  position: relative;
  padding-left: 20px;
}

.section-label::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: #c4a0ff;
  font-size: 0.6rem;
  top: 2px;
}

.section-title {
  font-size: 2.4rem;
  margin-bottom: 16px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: #2d1b4e;
  line-height: 1.2;
}

.section-desc {
  max-width: 600px;
  opacity: 0.65;
  margin-bottom: 48px;
  color: #4a3a6a;
  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: 16px;
  padding: 32px 28px;
  background: rgba(255, 255, 255, 0.80);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(196, 160, 255, 0.12);
  transition: 0.4s 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: 3px;
  background: linear-gradient(90deg, #c4a0ff, #f8b4c8, #fbbf24);
  opacity: 0;
  transition: 0.4s;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(196, 160, 255, 0.15);
  border-color: rgba(196, 160, 255, 0.25);
}

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  background: linear-gradient(135deg, rgba(196, 160, 255, 0.15), rgba(248, 180, 200, 0.15));
  color: #7c3aed;
}

.category-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: #2d1b4e;
  font-weight: 700;
}

.category-card p {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-bottom: 18px;
  line-height: 1.6;
  color: #4a3a6a;
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: #7c3aed;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: 0.3s;
}

.card-link:hover {
  gap: 12px;
  color: #6d28d9;
}

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

.feature-image {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(196, 160, 255, 0.12);
  position: relative;
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(196, 160, 255, 0.08), transparent);
  pointer-events: none;
}

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

.feature-text h2 {
  font-size: 2rem;
  margin-bottom: 16px;
  font-weight: 800;
  color: #2d1b4e;
}

.feature-text p {
  opacity: 0.65;
  margin-bottom: 24px;
  line-height: 1.7;
  color: #4a3a6a;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #4a3a6a;
  font-weight: 500;
}

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: #c4a0ff;
  font-size: 1.1rem;
}

/* ========== 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: 16px;
  background: rgba(255, 255, 255, 0.70);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(196, 160, 255, 0.10);
  transition: 0.3s;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(196, 160, 255, 0.10);
  border-color: rgba(196, 160, 255, 0.20);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, #7c3aed, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  color: #4a3a6a;
  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: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.80);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(196, 160, 255, 0.10);
  transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(196, 160, 255, 0.12);
  border-color: rgba(196, 160, 255, 0.20);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: 0.4s;
}

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

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

.content-wall-body h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: #2d1b4e;
  font-weight: 700;
}

.content-wall-body p {
  font-size: 0.88rem;
  opacity: 0.6;
  line-height: 1.6;
  color: #4a3a6a;
}

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

.faq-item {
  border: 1px solid rgba(196, 160, 255, 0.12);
  border-radius: 14px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: 0.3s;
  background: rgba(255, 255, 255, 0.60);
  backdrop-filter: blur(4px);
}

.faq-item:hover {
  border-color: rgba(196, 160, 255, 0.25);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #2d1b4e;
  font-size: 1.05rem;
}

.faq-item .faq-question::after {
  content: '▾';
  transition: 0.3s;
  color: #c4a0ff;
  font-size: 1.2rem;
}

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

.faq-item .faq-answer {
  padding: 0 24px 18px;
  display: none;
  opacity: 0.7;
  line-height: 1.7;
  color: #4a3a6a;
}

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

.faq-item.open {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(196, 160, 255, 0.20);
}

/* ========== CTA横幅 ========== */
.cta-banner {
  padding: 64px 40px;
  text-align: center;
  border-radius: 20px;
  background: linear-gradient(135deg, #7c3aed, #c4a0ff, #f8b4c8);
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 56px rgba(124, 58, 237, 0.20);
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.15), transparent 60%);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  margin-bottom: 12px;
  position: relative;
  font-weight: 800;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  position: relative;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #7c3aed;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.10);
  position: relative;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* ========== 页脚 ========== */
.site-footer {
  padding: 64px 0 28px;
  background: rgba(45, 27, 78, 0.03);
  border-top: 1px solid rgba(196, 160, 255, 0.08);
}

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

.footer-brand h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #2d1b4e;
}

.footer-brand p {
  font-size: 0.88rem;
  opacity: 0.55;
  line-height: 1.7;
  color: #4a3a6a;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: #2d1b4e;
}

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

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  text-decoration: none;
  font-size: 0.88rem;
  opacity: 0.55;
  color: #4a3a6a;
  transition: 0.3s;
}

.footer-col ul li a:hover {
  opacity: 1;
  color: #7c3aed;
}

.footer-bottom {
  border-top: 1px solid rgba(196, 160, 255, 0.08);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.45;
  color: #4a3a6a;
}

/* ========== 工具类 ========== */
.text-accent {
  color: #7c3aed;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.65;
  color: #4a3a6a;
  line-height: 1.7;
}

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

/* ========== 响应式 ========== */
@media (max-width: 992px) {
  .hero h1 { font-size: 2.6rem; }
  .section-title { font-size: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .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: 28px; }
  .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, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px 32px;
    gap: 16px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid rgba(196, 160, 255, 0.10);
  }
  .main-nav.open a { font-size: 1.05rem; padding: 8px 0; }
  .hero { min-height: 60vh; padding-top: 80px; }
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .section { padding: 60px 0; }
  .cta-banner { padding: 48px 24px; }
  .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; gap: 24px; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .hero h1 { font-size: 1.8rem; }
  .section-title { font-size: 1.6rem; }
  .stat-number { font-size: 2rem; }
  .container { padding: 0 16px; }
  .header-inner { padding: 0 16px; }
}