:root {
  --main-color: #db2777;
  --accent-color: #f43f5e;
  --bg-color: #fff1f5;
  --text-color: #500724;
  --white: #ffffff;
  --soft-shadow: 0 8px 30px rgba(219, 39, 119, 0.08), 0 4px 12px rgba(219, 39, 119, 0.06);
  --border-radius-lg: 24px;
  --border-radius-md: 16px;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  letter-spacing: -0.02em;
}

.navbar {
  background: rgba(255, 241, 245, 0.85) !important;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(219, 39, 119, 0.1);
  padding: 0.8rem 0;
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--main-color) !important;
  letter-spacing: -0.01em;
}

.navbar-brand i {
  color: var(--accent-color);
  margin-right: 6px;
}

.nav-link {
  font-weight: 600;
  color: var(--text-color) !important;
  margin: 0 0.25rem;
  padding: 0.5rem 1rem !important;
  border-radius: 50px;
  transition: all 0.3s ease;
}

.nav-link:hover {
  background: rgba(219, 39, 119, 0.1);
  color: var(--main-color) !important;
}

.hero-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  background: url('{随机图片}') center center/cover no-repeat;
  background-attachment: fixed;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(80, 7, 36, 0.7), rgba(219, 39, 119, 0.5), rgba(80, 7, 36, 0.8));
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.hero-content p {
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 400;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.btn-91 {
  background: var(--main-color);
  color: var(--white);
  border: none;
  padding: 0.9rem 2.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 6px 20px rgba(219, 39, 119, 0.3);
}

.btn-91:hover {
  background: var(--accent-color);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(244, 63, 94, 0.4);
  color: var(--white);
}

.section {
  padding: 5rem 0;
  position: relative;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 900;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.section-subtitle {
  font-size: 1.05rem;
  color: rgba(80, 7, 36, 0.7);
  margin-bottom: 3rem;
  font-weight: 400;
}

.features-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--soft-shadow);
  overflow: hidden;
  border: 1px solid rgba(219, 39, 119, 0.05);
}

.features-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1.5rem;
  border-bottom: 1px solid rgba(219, 39, 119, 0.1);
  justify-content: center;
}

.features-nav .nav-tab {
  padding: 0.7rem 1.5rem;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--bg-color);
  color: var(--text-color);
  border: none;
  transition: all 0.3s ease;
}

.features-nav .nav-tab.active {
  background: var(--main-color);
  color: var(--white);
}

.features-content {
  padding: 2rem;
}

.features-panel {
  display: none;
}

.features-panel.active {
  display: block;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.feature-item i {
  font-size: 1.4rem;
  color: var(--main-color);
  margin-top: 0.3rem;
  flex-shrink: 0;
}

.timeline {
  position: relative;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--main-color), var(--accent-color));
  border-radius: 50px;
  opacity: 0.3;
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--soft-shadow);
  border: 1px solid rgba(219, 39, 119, 0.05);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.35rem;
  top: 2rem;
  width: 18px;
  height: 18px;
  background: var(--main-color);
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px rgba(219, 39, 119, 0.2);
}

.timeline-item h4 {
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--main-color);
}

.timeline-item p {
  margin-bottom: 0;
  color: rgba(80, 7, 36, 0.8);
  font-size: 0.95rem;
}

.timeline-date {
  display: inline-block;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 0.85rem;
  background: var(--bg-color);
  padding: 0.2rem 0.8rem;
  border-radius: 50px;
  color: var(--main-color);
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.faq-section {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--soft-shadow);
  padding: 2rem;
  border: 1px solid rgba(219, 39, 119, 0.05);
}

.accordion-item {
  border: none !important;
  border-bottom: 1px solid rgba(219, 39, 119, 0.1) !important;
  background: transparent !important;
}

.accordion-button {
  background: transparent !important;
  font-weight: 700;
  color: var(--text-color) !important;
  padding: 1.2rem 0.5rem;
  font-size: 1.05rem;
  box-shadow: none !important;
}

.accordion-button::after {
  color: var(--main-color) !important;
}

.accordion-button:not(.collapsed) {
  color: var(--main-color) !important;
}

.accordion-body {
  color: rgba(80, 7, 36, 0.75);
  padding: 0.5rem 0.5rem 1.5rem;
  font-size: 0.95rem;
}

.cta-section {
  background: linear-gradient(135deg, var(--main-color), var(--accent-color));
  border-radius: var(--border-radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
}

.cta-section h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 900;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.cta-section p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.btn-white {
  background: var(--white);
  color: var(--main-color);
  border: none;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 800;
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  color: var(--main-color);
}

.wave-divider {
  position: absolute;
  width: 100%;
  height: 80px;
  left: 0;
  right: 0;
}

.wave-top {
  top: -78px;
}

.wave-bottom {
  bottom: -78px;
  transform: scaleY(-1);
}

.friend-links {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  margin-top: 4rem;
  box-shadow: var(--soft-shadow);
  border: 1px solid rgba(219, 39, 119, 0.05);
}

.friend-links h4 {
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--main-color);
  font-size: 1.2rem;
}

.friend-links a {
  color: rgba(80, 7, 36, 0.7);
  text-decoration: none;
  margin-right: 1.2rem;
  transition: color 0.3s ease;
  font-size: 0.9rem;
}

.friend-links a:hover {
  color: var(--main-color);
}

footer {
  background: var(--text-color);
  color: rgba(255, 255, 255, 0.8);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-right: 1rem;
  transition: color 0.3s ease;
}

footer a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 2rem;
  padding-top: 1.5rem;
  font-size: 0.9rem;
}

.stats-number {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--main-color);
}

@media (max-width: 768px) {
  .section {
    padding: 3.5rem 0;
  }
  .features-content {
    padding: 1.5rem;
  }
  .navbar-collapse {
    background: rgba(255, 241, 245, 0.98);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    box-shadow: var(--soft-shadow);
  }
}

.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(219, 39, 119, 0.12);
}

.img-hover {
  overflow: hidden;
  border-radius: var(--border-radius-md);
}

.img-hover img {
  transition: transform 0.5s ease;
}

.img-hover:hover img {
  transform: scale(1.05);
}

/* --- 子页面追加 --- */
/* 确保Bootstrap组件与站点粉色系一致 (若style.css已覆盖可忽略) */
    .about-hero {
      background: linear-gradient(135deg, var(--main-color) 0%, var(--accent-color) 100%);
      color: var(--white);
      border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
      padding: 3rem 0 4rem;
    }
.about-hero h1 {
      font-weight: 800;
      color: var(--white);
      letter-spacing: -0.02em;
    }
.about-hero .lead {
      color: rgba(255,255,255,0.9);
      font-weight: 400;
    }
.about-section {
      background: var(--white);
      border-radius: var(--border-radius-lg);
      padding: 2.5rem 2rem;
      box-shadow: var(--soft-shadow);
      margin-top: -2rem;
    }
.about-section h2, .about-section h3 {
      color: var(--main-color);
      font-weight: 700;
      margin-bottom: 1.2rem;
      position: relative;
      padding-left: 1.2rem;
    }
.about-section h2::before, .about-section h3::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.2rem;
      width: 5px;
      height: 1.4em;
      background: var(--accent-color);
      border-radius: 3px;
    }
.about-section p {
      color: var(--text-color);
      line-height: 1.8;
    }
.feature-list {
      list-style: none;
      padding: 0;
    }
.feature-list li {
      padding: 0.6rem 0;
      border-bottom: 1px dashed rgba(219, 39, 119, 0.15);
      display: flex;
      align-items: center;
      gap: 0.75rem;
      color: var(--text-color);
    }
.feature-list li i {
      color: var(--main-color);
      width: 1.5rem;
      text-align: center;
      font-size: 1.1rem;
    }
.accordion-button:focus {
      box-shadow: none;
      border-color: rgba(219, 39, 119, 0.3);
    }
.footer-bg {
      background: #fbcfe8;
      color: var(--text-color);
    }

/* --- 子页面追加 --- */
/* 本页仅覆盖 Bootstrap 组件配色，避免白底黑字破坏整体视觉 */
        .card, .card-body, .card-header, .card-footer, .accordion-item, .accordion-button, .accordion-body {
            background-color: var(--bg-color) !important;
            color: var(--text-color) !important;
            border-color: rgba(219, 39, 119, 0.15) !important;
        }
/* 本页专用：列表装饰 */
        .disclaimer-list i {
            color: var(--main-color);
            margin-right: 0.5rem;
        }
.disclaimer-card {
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            border-radius: var(--border-radius-md);
            box-shadow: var(--soft-shadow);
            background-color: var(--white);
            border: 1px solid rgba(219, 39, 119, 0.08);
        }
.disclaimer-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(219, 39, 119, 0.12);
        }
.section-subtitle-disclaimer {
            color: var(--main-color);
            font-weight: 600;
            letter-spacing: 0.02em;
        }

/* --- 子页面追加 --- */
/* 确保Bootstrap组件不破坏配色，但我们尽量不用组件类，只用栅格 */
    /* 如果用了 .card 等，这里覆盖；但本页主要自建类，仅做兜底 */
    .card, .card-body, .card-title, .card-text, .card-header, .card-footer {
      background: transparent;
      color: var(--text-color);
      border-color: transparent;
    }
.form-control, .form-select, .form-label, .input-group-text {
      background: rgba(255,255,255,0.7);
      color: var(--text-color);
      border-color: #f3c1d4;
    }
.form-control::placeholder {
      color: rgba(80,7,36,0.4);
    }
.list-group-item, .accordion-item, .accordion-button, .accordion-body {
      background: transparent;
      color: var(--text-color);
    }
.nav-link, .navbar, .navbar-brand {
      color: var(--text-color);
    }
/* 本页自定义样式 */
    .privacy-hero {
      background: linear-gradient(135deg, #ffe0ec 0%, #fff1f5 100%);
      padding: 3.5rem 0 2.5rem;
      border-bottom: 1px solid #f8c9d8;
    }
.privacy-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-color);
      letter-spacing: -0.02em;
    }
.privacy-sub {
      color: #9f1f5c;
      font-size: 1.1rem;
      font-weight: 400;
      margin-top: 0.5rem;
    }
.privacy-section {
      padding: 3rem 0 2rem;
    }
.privacy-card {
      background: var(--white);
      border-radius: var(--border-radius-md);
      box-shadow: var(--soft-shadow);
      padding: 2rem 1.8rem;
      margin-bottom: 2rem;
      border: 1px solid #fadbe7;
      transition: box-shadow 0.2s;
    }
.privacy-card:hover {
      box-shadow: 0 12px 35px rgba(219, 39, 119, 0.12);
    }
.privacy-card h3 {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--main-color);
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.6rem;
    }
.privacy-card h3 i {
      color: var(--accent-color);
      font-size: 1.3rem;
      width: 1.8rem;
    }
.privacy-card p {
      color: #601c3b;
      line-height: 1.8;
      margin-bottom: 1rem;
      font-size: 0.98rem;
    }
.privacy-card ul {
      padding-left: 1.2rem;
      color: #601c3b;
      margin-bottom: 1rem;
    }
.privacy-card li {
      margin-bottom: 0.5rem;
    }
.privacy-highlight {
      background: #fff1f5;
      padding: 1.5rem;
      border-radius: var(--border-radius-md);
      border-left: 4px solid var(--main-color);
      margin: 1.5rem 0;
    }
.privacy-footer-note {
      font-size: 0.9rem;
      color: #8a3c5f;
      border-top: 1px dashed #e9a7bd;
      padding-top: 1.5rem;
      margin-top: 2rem;
      text-align: center;
    }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-header { background:transparent !important; }