/* ============================================================
   泰林装饰 · 基础样式：重置、排版、焦点、降级动效
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

/* 焦点可见性 —— 无障碍底线 */
:focus-visible {
  outline: 2px solid var(--accent-ink);
  outline-offset: 2px;
  border-radius: 2px;
}

::selection { background: rgba(156, 107, 50, 0.25); }

/* 氛围层：暖色渐变网格 + 颗粒噪点 */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  background:
    radial-gradient(50rem 36rem at 8% -8%, rgba(156, 107, 50, 0.10), transparent 60%),
    radial-gradient(44rem 30rem at 100% 0%, rgba(34, 27, 18, 0.05), transparent 55%);
}
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  opacity: 0.04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

main { position: relative; z-index: 1; }

/* 版心 */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--sp-4);
}

/* 滚动触发入场 */
.reveal { opacity: 0; transform: translateY(26px); }
.reveal.in {
  opacity: 1; transform: none;
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}

/* 降级动效 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}