:root {
  --primary: #FF6B9D;
  --primary-dark: #D94F7E;
  --primary-light: #FFB3CE;
  --secondary: #FF9F5A;
  --accent: #A855F7;
}

/* 晨光清新亮色 · 编辑式留白风 */
html { scroll-behavior: smooth; }
body { -webkit-font-smoothing: antialiased; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #f4f4f5; }
::-webkit-scrollbar-thumb { background: #d4d4d8; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #fb7185; }
::selection { background: #fb7185; color: #fff; }

/* 卡片悬浮 */
.lift-card { transition: transform .3s ease, box-shadow .3s ease; }
.lift-card:hover { transform: translateY(-5px); box-shadow: 0 16px 36px -12px rgba(24,24,27,.18); }

/* 图片缩放 */
.zoom-img { overflow: hidden; }
.zoom-img img { transition: transform .55s cubic-bezier(.16,.84,.44,1); }
.zoom-img:hover img { transform: scale(1.06); }

/* 移动端抽屉导航 */
.nav { transition: transform .4s cubic-bezier(.16,.84,.44,1); }
@media (max-width: 1023px) {
  .nav {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: 84%; max-width: 340px;
    flex-direction: column; align-items: flex-start;
    background: #fff; padding: 5.5rem 1.5rem 2rem;
    transform: translateX(100%);
    z-index: 60; overflow-y: auto; gap: .35rem;
    display: flex !important;
    box-shadow: -10px 0 40px rgba(0,0,0,.1);
  }
  .nav.active { transform: translateX(0); }
  .nav a { width: 100%; }
  .menu-overlay {
    position: fixed; inset: 0;
    background: rgba(24,24,27,.45); backdrop-filter: blur(3px);
    opacity: 0; visibility: hidden;
    transition: opacity .35s ease; z-index: 55;
  }
  .menu-overlay.active { opacity: 1; visibility: visible; }
  body.menu-open { overflow: hidden; }
}

/* FAQ 折叠 */
.faq-answer {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height .4s ease, opacity .4s ease;
}
.faq-icon { transition: transform .35s ease; }

/* 回到顶部 */
.back-to-top { opacity: 0; visibility: hidden; transition: opacity .35s ease; }
.back-to-top.visible { opacity: 1; visibility: visible; }

/* 入场动画 */
@keyframes riseIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.rise-in { animation: riseIn .75s cubic-bezier(.16,.84,.44,1) both; }

@media print {
  header, footer, .nav, .no-print { display: none !important; }
}