/* ==========================================================================
   个人主页样式
   设计风格：撞色野兽派 Brutalism
   高饱和撞色 + 粗黑描边 + 硬阴影，玩个性与人设，早期互联网风
   配色：珊瑚红 #FF5757 / 亮黄 #FFD93D / 青绿 #00D4AA / 纯黑 #111
   ========================================================================== */

/* ---------- 设计变量（野兽派调色板） ---------- */
:root {
  --bg: #F0F0EC;
  --card: #FFFFFF;
  --text: #111111;
  --text-muted: #555555;
  /* 撞色四原色 */
  --red: #FF5757;
  --yellow: #FFD93D;
  --cyan: #00D4AA;
  --black: #111111;
  /* 辅助衍生色 */
  --red-dark: #E04545;
  --yellow-dark: #E8C630;
  --cyan-dark: #00B892;
  /* 渐变（用于标题/按钮等需要渐变的地方） */
  --gradient: linear-gradient(135deg, var(--red) 0%, var(--yellow) 50%, var(--cyan) 100%);
  --gradient-alt: linear-gradient(90deg, var(--red), var(--yellow));
  --gradient-title: linear-gradient(135deg, var(--red) 0%, var(--yellow) 33%, var(--cyan) 66%, var(--red) 100%);
  /* 野兽派硬阴影：无模糊、纯偏移 */
  --shadow-sm: 3px 3px 0 var(--black);
  --shadow-md: 5px 5px 0 var(--black);
  --shadow-lg: 8px 8px 0 var(--black);
  --shadow-hover: 10px 10px 0 var(--black);
  /* 粗边框 */
  --border: 3px solid var(--black);
  --border-thin: 2px solid var(--black);
  /* 圆角偏小（野兽派不追求圆润） */
  --radius: 8px;
  --radius-sm: 4px;
  --nav-h: 68px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---------- 基础重置 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  /* 微妙的点阵纹理背景 */
  background-image:
    radial-gradient(circle, rgba(17,17,17,0.04) 1px, transparent 1px);
  background-size: 20px 20px;
}

body.no-scroll {
  overflow: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

::selection {
  background: var(--yellow);
  color: var(--black);
}

:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 3px;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 鼠标跟随特效：玻璃拟态流星 ---------- */
.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 3002;
  /* 玻璃拟态：中心半透明白 + 背景模糊，边缘自然淡出（无硬边） */
  background: radial-gradient(
    circle at 50% 50%,
    rgba(255, 255, 255, 0.32) 0%,
    rgba(255, 255, 255, 0.16) 42%,
    rgba(255, 255, 255, 0) 70%
  );
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
  /* 用 mask 让整团光晕柔和渐隐，消除清晰的圆形边界 */
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 68%);
  mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 68%);
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.08);
  opacity: 0;
  transition: opacity 0.4s ease;
  will-change: transform;
}

.trail-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3001;
}

/* ---------- 顶部导航栏 ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background 0.25s, box-shadow 0.25s, border-bottom 0.25s;
  border-bottom: 2px solid transparent;
}

/* 滚动后：实心白底 + 粗黑下边框 + 微硬阴影 */
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--black);
  box-shadow: 0 3px 0 rgba(17, 17, 17, 0.08);
}

.nav-inner {
  position: relative;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  box-shadow: var(--shadow-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  position: relative;
  padding: 8px 14px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
  letter-spacing: 0.02em;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--black);
  background: var(--yellow);
}

.nav-links a.active {
  box-shadow: 2px 2px 0 var(--black);
}

/* 移动端汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 9px;
  border-radius: var(--radius);
  border: var(--border-thin);
  background: var(--card);
  box-shadow: var(--shadow-sm);
}

.nav-toggle span {
  display: block;
  height: 3px;
  border-radius: 2px;
  background: var(--black);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ---------- Hero 首屏 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: var(--nav-h) 0 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
}

/* 野兽派几何装饰块（替代柔光球） */
.blob {
  position: absolute;
  will-change: transform;
  opacity: 0.85;
}

.blob-1 {
  width: 300px;
  height: 300px;
  top: -80px;
  left: -60px;
  background: var(--red);
  border-radius: 24px;
  border: var(--border);
  box-shadow: var(--shadow-lg);
  animation: float-a 12s ease-in-out infinite;
  transform: rotate(-8deg);
}

.blob-2 {
  width: 240px;
  height: 240px;
  bottom: -90px;
  right: -40px;
  background: var(--yellow);
  border-radius: 50%;
  border: var(--border);
  box-shadow: var(--shadow-md);
  animation: float-b 16s ease-in-out infinite;
}

.blob-3 {
  width: 160px;
  height: 160px;
  top: 28%;
  right: 10%;
  background: var(--cyan);
  border: var(--border);
  box-shadow: var(--shadow-md);
  clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
  animation: float-c 14s ease-in-out infinite;
}

@keyframes float-a {
  50% { transform: rotate(-8deg) translate(40px, 30px); }
}

@keyframes float-b {
  50% { transform: translate(-40px, -30px) scale(1.06); }
}

@keyframes float-c {
  50% { transform: translate(-30px, 24px) scale(0.94) rotate(12deg); }
}

.hero-hello {
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  color: var(--text-muted);
  letter-spacing: 0.12em;
  margin-bottom: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(3.2rem, 10vw, 6rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 1.1;
  /* 撞色流动渐变 */
  background: var(--gradient-title);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 6s ease infinite;
  /* 粗黑文字描边增强冲击力 */
  text-shadow:
    3px 3px 0 rgba(17, 17, 17, 0.08);
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-typing {
  min-height: 2.2em;
  margin-top: 18px;
  font-size: clamp(1.05rem, 2.6vw, 1.45rem);
  color: var(--text-muted);
  font-weight: 500;
}

.caret {
  display: inline-block;
  width: 3px;
  height: 1.1em;
  margin-left: 3px;
  vertical-align: -0.15em;
  background: var(--red);
  animation: blink 0.85s step-end infinite;
  border-radius: 1px;
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 38px;
}

/* ---------- 按钮：野兽派块状风格 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: transform 0.2s var(--ease-bounce), box-shadow 0.2s, background 0.2s;
  border: var(--border-thin);
  text-transform: uppercase;
}

.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
  background: var(--red-dark);
}

.btn-ghost {
  background: var(--yellow);
  color: var(--black);
  box-shadow: var(--shadow-sm);
}

.btn-ghost:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
  background: var(--yellow-dark);
}

.btn-sm {
  padding: 10px 22px;
  font-size: 13px;
  font-weight: 700;
}

/* 向下滚动提示 */
.scroll-hint {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  opacity: 0.7;
  animation: hint-bounce 2s ease-in-out infinite;
  font-weight: 700;
}

.scroll-hint:hover {
  color: var(--red);
}

@keyframes hint-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ---------- 通用区块 ---------- */
.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--black);
  color: #fff;
  /* 粗条纹纹理 */
  background-image:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 10px,
      rgba(255,255,255,0.02) 10px,
      rgba(255,255,255,0.02) 20px
    );
}

.section-head {
  text-align: center;
  margin-bottom: 56px;
}

.section-title {
  position: relative;
  display: inline-block;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -12px;
  width: 64px;
  height: 5px;
  border-radius: 2px;
  background: var(--gradient);
  transform: translateX(-50%);
  box-shadow: 2px 2px 0 rgba(0,0,0,0.2);
}

.section-sub {
  margin-top: 28px;
  color: var(--text-muted);
  font-size: 15.5px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.section-alt .section-sub {
  color: rgba(255, 255, 255, 0.65);
}

/* ---------- 卡片网格 / 卡片：野兽派粗边框+硬阴影 ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 32px;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  border: var(--border);
  box-shadow: var(--shadow-md);
  transition: transform 0.25s var(--ease-bounce), box-shadow 0.25s;
}

.card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-hover);
}

.card-link-wrap {
  display: block;
  height: 100%;
}

.card-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: var(--border-thin);
}

.card-thumb svg {
  width: 100%;
  height: 100%;
  transition: transform 0.4s var(--ease-out);
}

.card:hover .card-thumb svg {
  transform: scale(1.05);
}

.card-body {
  padding: 22px 24px 26px;
}

.card-title {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}

.card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 14px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tag-list li {
  font-size: 11.5px;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-weight: 700;
  border: 1.5px solid var(--black);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-cta {
  font-size: 14px;
  font-weight: 800;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-cta .arrow {
  display: inline-block;
  transition: transform 0.3s var(--ease-bounce);
}

.card:hover .card-cta .arrow {
  transform: translateX(6px);
}

/* ---------- 特效 Demo 卡片 ---------- */
.demo-preview {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--black);
  cursor: pointer;
  overflow: hidden;
  border-bottom: var(--border-thin);
}

.demo-preview canvas {
  width: 100%;
  height: 100%;
}

.demo-badge {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(17, 17, 17, 0.75);
  color: var(--yellow);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  border: 2px dashed var(--yellow);
  margin: 12px;
}

.demo-preview:hover .demo-badge,
.demo-preview:focus-visible .demo-badge {
  opacity: 1;
}

/* ---------- 小程序入口：野兽派卡片 ---------- */
.mp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 320px));
  justify-content: center;
  gap: 32px;
}

.mp-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 34px 28px 30px;
  text-align: center;
  border: var(--border);
  box-shadow: var(--shadow-md);
  transition: transform 0.25s var(--ease-bounce), box-shadow 0.25s;
}

.mp-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-hover);
}

.qr-wrap {
  position: relative;
  display: inline-block;
  padding: 12px;
  border-radius: var(--radius);
  background: #fff;
  border: var(--border-thin);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.qr-canvas {
  width: 180px;
  height: 180px;
  image-rendering: pixelated;
}

/* 扫描线动画 */
.qr-scanline {
  position: absolute;
  left: 10%;
  right: 10%;
  top: 8%;
  height: 4px;
  border-radius: 2px;
  background: var(--cyan);
  opacity: 0;
  box-shadow: 0 0 8px var(--cyan);
}

.mp-card:hover .qr-scanline {
  opacity: 1;
  animation: qr-scan 1.5s ease-in-out infinite;
}

@keyframes qr-scan {
  0%, 100% { top: 8%; }
  50% { top: 88%; }
}

.mp-name {
  margin-top: 20px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.mp-desc {
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--text-muted);
}

.mp-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  background: var(--cyan);
  color: var(--black);
  font-size: 13px;
  font-weight: 800;
  border: var(--border-thin);
  box-shadow: 2px 2px 0 var(--black);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- 页脚：纯黑底 + 撞色点缀 ---------- */
.footer {
  background: var(--black);
  color: #ddd;
  padding: 60px 0 34px;
  border-top: 4px solid var(--red);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand-text {
  text-align: left;
}

.footer-name {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.03em;
}

.footer-slogan {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
}

.footer-mail {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan);
  transition: color 0.2s;
  padding: 8px 16px;
  border: 2px solid var(--cyan);
  border-radius: var(--radius-sm);
}

.footer-mail:hover {
  background: var(--cyan);
  color: var(--black);
}

.social-links {
  display: flex;
  gap: 14px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: #e2e6f5;
  border: 2px solid rgba(255, 255, 255, 0.15);
  transition: transform 0.2s var(--ease-bounce), background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.social-links a:hover {
  transform: translate(-2px, -2px);
  background: var(--yellow);
  color: var(--black);
  border-color: var(--black);
  box-shadow: var(--shadow-sm);
}

.copyright {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
  font-weight: 500;
  letter-spacing: 0.03em;
}

.footer-beian {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-beian:hover {
  color: rgba(255, 255, 255, 0.6);
}

.footer-beian img {
  display: block;
  width: 14px;
  height: 14px;
}

/* ---------- 全屏 Demo 覆盖层 ---------- */
.demo-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(17, 17, 17, 0.97);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
}

.demo-overlay.open {
  opacity: 1;
  visibility: visible;
}

#demoCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.overlay-topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  color: #fff;
  pointer-events: none;
}

.overlay-info h3 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.overlay-info h3::before {
  content: '◆ ';
  color: var(--yellow);
}

.overlay-info p {
  margin-top: 4px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  max-width: 520px;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}

.overlay-close {
  flex-shrink: 0;
  pointer-events: auto;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--red);
  background: var(--red);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  box-shadow: 3px 3px 0 rgba(255, 217, 61, 0.6);
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.overlay-close:hover {
  background: var(--red-dark);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 rgba(255, 217, 61, 0.8);
}

/* ---------- 滚动渐入动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 响应式：平板与手机 ---------- */
@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px 18px 20px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: var(--border-thin);
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(-12px);
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
  }

  .nav-links.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-links a {
    display: block;
    padding: 12px 14px;
    font-size: 15px;
  }

  .nav-links a::after {
    display: none;
  }

  /* 移动端缩小装饰块避免遮挡 */
  .blob-1 { width: 180px; height: 180px; }
  .blob-2 { width: 140px; height: 140px; }
  .blob-3 { width: 100px; height: 100px; }
}

@media (max-width: 640px) {
  .section {
    padding: 72px 0;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 320px;
  }

  .overlay-topbar {
    flex-direction: column-reverse;
    align-items: stretch;
    padding: 18px 20px;
  }

  .overlay-close {
    align-self: flex-end;
  }

  .cursor-glow,
  .trail-canvas {
    display: none;
  }

  /* 手机端卡片阴影缩小 */
  :root {
    --shadow-sm: 2px 2px 0 var(--black);
    --shadow-md: 4px 4px 0 var(--black);
    --shadow-lg: 6px 6px 0 var(--black);
    --shadow-hover: 7px 7px 0 var(--black);
  }
}

/* ---------- 减少动态效果偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}