:root {
  --primary: #F5A623;
  --primary-dark: #D4880E;
  --primary-light: #FCEABB;
  --secondary: #2DC84D;
  --accent: #FF6B35;
}

/* 极简杂志风 · 纸感留白衬线 */
html { scroll-behavior: smooth; }
body { -webkit-font-smoothing: antialiased; }

::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: #f0ece2; }
::-webkit-scrollbar-thumb { background: #a8a29e; }
::-webkit-scrollbar-thumb:hover { background: #1c1917; }
::selection { background: #1c1917; color: #faf8f3; }

/* 杂志大标题 */
.mag-display { letter-spacing: -0.02em; line-height: 1.08; }
.mag-kicker { letter-spacing: 0.32em; text-transform: uppercase; }

/* 图片优雅缩放 */
.zoom-img { overflow: hidden; }
.zoom-img img { transition: transform .8s cubic-bezier(.16,.84,.44,1), filter .6s ease; }
.zoom-img:hover img { transform: scale(1.05); }

/* 文章卡片下划线 */
.article-link h3 { transition: color .25s ease; }
.article-link:hover h3 { color: #92400e; }

/* 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;
    justify-content: flex-start;
    background: #faf8f3; padding: 5.5rem 2rem 2rem;
    transform: translateX(100%);
    z-index: 60; overflow-y: auto; gap: 1rem;
    display: flex !important;
    border-left: 2px solid #1c1917;
  }
  .nav.active { transform: translateX(0); }
  .nav a { width: 100%; font-size: 1.05rem; }
  .menu-overlay {
    position: fixed; inset: 0;
    background: rgba(28,25,23,.4);
    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 inkFade {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
.ink-fade { animation: inkFade .8s ease both; }

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