/* ============================================================
   template-apple — Apple 风格样式 (修正一屏、水印、毛玻璃底部)
   ============================================================ */

:root {
  /* 背景与文字：极简米白底 + 深色文字 */
  --bg-primary: #f8f7f4; 
  --text-primary: #111111;
  --text-secondary: #555555;
  
  /* 字体设置 */
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-serif: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;

  /* 间距 */
  --sp-sm: 8px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 32px;
  --sp-2xl: 48px;
  --sp-3xl: 64px;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  margin: 0;
  overflow-x: hidden;
}

/* ============================================================
   顶部导航：默认透明，滚动后毛玻璃
   ============================================================ */
.apple-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4vw;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, backdrop-filter 0.35s ease, border-color 0.35s ease;
}

/* 滚动后状态：白色毛玻璃 */
.apple-nav.scrolled {
  background: rgba(248, 247, 244, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

.apple-nav .nav-brand {
  font-size: 1.05rem;
  font-weight: 700;
  color: #111;
  text-decoration: none;
  letter-spacing: 0.02em;
  z-index: 101;
}

.apple-nav .nav-links {
  display: flex;
  list-style: none;
  gap: 1.8rem;
  margin: 0;
  padding: 0;
}

.apple-nav .nav-links a {
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  color: #444;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
  position: relative;
  padding: 4px 0;
}

.apple-nav .nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1.5px;
  background: #111;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.apple-nav .nav-links a:hover,
.apple-nav .nav-links a.active {
  color: #111;
}

.apple-nav .nav-links a.active::after,
.apple-nav .nav-links a:hover::after {
  transform: scaleX(1);
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: #111;
  z-index: 101;
}
.nav-toggle svg { width: 22px; height: 22px; display: block; }

/* 移动端 */
@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .apple-nav .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    flex-direction: column;
    background: rgba(248, 247, 244, 0.96);
    backdrop-filter: saturate(180%) blur(28px);
    -webkit-backdrop-filter: saturate(180%) blur(28px);
    padding: 88px 2rem 2rem;
    gap: 1.4rem;
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.08);
    transition: right 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
  }

  .apple-nav .nav-links.open {
    right: 0;
  }

  .apple-nav .nav-links a {
    font-size: 1.05rem;
    color: #222;
  }

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

/* ---- Hero Banner: 恰好一屏高度 ---- */
.hero {
  position: relative;
  width: 100vw;
  height: 100vh;      /* 强制满屏高度 */
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* 巨型背景水印词：超淡拼音、衬线体，居中 */
.hero-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: "Songti SC", "STSong", "Times New Roman", Times, serif;
  font-size: clamp(8rem, 20vw, 25rem); /* 非常大 */
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #efede7; /* 极其淡，仅比底色 #f8f7f4 深一点点 */
  white-space: nowrap;
  text-transform: uppercase;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

/* 中间容器：放置姓名与人像 */
.hero-container {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between; /* 左右两端分开 */
  align-items: center;
  width: 100%;
  max-width: 1400px; /* 大宽度以容纳两边内容 */
  margin: 0 auto;
  padding: 0 4vw; /* 响应式边距 */
  flex: 1; /* 撑开头部高度，挤压底部玻璃条空间 */
}

/* 左侧内容：巨大名字和身份 */
.hero-content {
  flex: 1;
  max-width: 500px;
  position: relative;
  z-index: 2; /* 在水印之上 */
  margin-top: -10vh; /* 微微上移，避开底部，使视觉居中偏上 */
}

.hero-title {
  /* 将中文名字设为巨大 */
  font-size: clamp(5rem, 10vw, 9rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: var(--sp-md);
  line-height: 1.1;
  white-space: nowrap;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  padding-left: 0.5vw;
}

/* 右侧人像：预留区域 */
.hero-image {
  flex: 1;
  height: 90vh; /* 使人物能占据屏幕大半高度 */
  display: flex;
  justify-content: flex-end;
  align-items: flex-end; /* 与底部玻璃条齐平或插入 */
  position: relative;
  z-index: 1;
}

.hero-image svg,
.hero-image img {
  height: 100%;
  max-height: 850px;
  width: auto;
  object-fit: contain;
  object-position: bottom right; /* 确保靠右底呈现 */
  /* 让图片自然穿插于水印和底部装饰条之间 */
  transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1); /* 苹果风格的缓动曲线 */
}

.hero-image img:hover {
  transform: scale(1.06); /* 鼠标悬浮时微微放大 6% */
}

/* ========================================================= */
/* HERO_IMAGE 缺省 fallback：无图时折叠右侧，让左侧文字撑满 */
/* ========================================================= */
.hero-image:has(img[src=""]),
.hero-image:has(img:not([src])) {
  display: none;
}
.hero-container:has(.hero-image:has(img[src=""])),
.hero-container:has(.hero-image:has(img:not([src]))) {
  justify-content: flex-start;
}
.hero-container:has(.hero-image:has(img[src=""])) .hero-content,
.hero-container:has(.hero-image:has(img:not([src]))) .hero-content {
  max-width: 100%;
  flex: 1;
}

/* ========================================================= */
/* 底部数据栏：玻璃质感，完全覆盖屏幕底部 */
/* ========================================================= */
.hero-stats-wrapper {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 110px; /* 合适的可见高度 */
  z-index: 20;   /* 浮在人物上方或下方视需求定，通常在最上 */
}

.hero-stats {
  display: flex;
  width: 100%;
  height: 100%;
  /* 毛玻璃质感层 */
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border-top: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.03);
}

/* 左侧黑块：重色区分“个人标签” */
.stats-label {
  background: #000000;
  color: #ffffff;
  width: 350px; /* 固定占据左侧一定比例 */
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.1em;
}

.arrow-circle {
  margin-left: 12px;
  background: #ffffff;
  color: #000000;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* 右侧列表区在玻璃上 */
.stats-list {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  padding: 0 var(--sp-2xl);
  /* 渐变遮罩模拟反光/金属过渡效果 (可选) */
  background: linear-gradient(90deg, 
      rgba(255,255,255,0.8) 0%, 
      rgba(220,220,220,0.4) 50%, 
      rgba(255,255,255,0.8) 100%);
}

.stat-item {
  font-size: 1.2rem;
  font-weight: 500;
  color: #111;
  letter-spacing: 0.05em;
  position: relative;
}

/* 响应式调整 */
@media (max-width: 900px) {
  .hero {
    height: auto;
    min-height: 100vh;
  }
  
  .hero-container {
    flex-direction: column;
    justify-content: flex-end;
    padding-top: 10vh;
  }
  
  .hero-content {
    margin-top: 0;
    text-align: center;
    margin-bottom: 5vh;
  }
  
  .hero-title {
    font-size: clamp(3rem, 15vw, 5rem);
  }
  
  .hero-image {
    height: 50vh;
    justify-content: center;
  }

  .hero-stats-wrapper {
    position: relative; /* 移动端不绝对定位了，跟着文档流 */
    height: auto;
  }
  
  .hero-stats {
    flex-direction: column;
  }
  
  .stats-label {
    width: 100%;
    height: 70px;
  }
  
  .stats-list {
    flex-direction: column;
    gap: 20px;
    padding: 30px 0;
  }
}

/* ========================================================= */
/* About Section / 个人简介 */
/* ========================================================= */
.about-section {
  width: 100vw;
  min-height: 50vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #ffffff; /* 纯白背景，与首屏产生微妙的层级区分 */
  padding: 8vw 2vw;
  text-align: center;
}

.about-container {
  max-width: 800px;
  width: 100%;
}

/* 核心标题句：深色、略粗 */
.about-title {
  font-size: clamp(2rem, 5vw, 3rem); /* 增大了主标题字号 */
  font-weight: 700;
  color: #111111;
  margin-bottom: var(--sp-xl); /* 增加了与正文的距离 */
  line-height: 1.4;
  letter-spacing: 0.05em;
}

/* 详细描述：浅灰色、字号较小，与标题形成强烈的灰度对比 */
.about-desc {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  font-weight: 400;
  color: #a0a0a0; /* 参考图中的浅灰色 */
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto;
  text-align: justify;
  white-space: pre-wrap; /* 关键：保留文案中的换行符渲染，使段落排版正确 */
}

/* 响应式 */
@media (max-width: 900px) {
  .about-section {
    padding: 15vw 5vw;
  }
}

/* ========================================================= */
/* Skills Section / 核心优势 (四大块) */
/* ========================================================= */
.skills-section {
  width: 100vw;
  background-color: #ffffff; /* 与上方保持连贯 */
  padding: 4vw 4vw 8vw 4vw;
  display: flex;
  justify-content: center;
}

.skills-container {
  max-width: 1200px;
  width: 100%;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* 默认电脑端 4 列平行排列 */
  gap: var(--sp-lg);
  width: 100%;
}

.skill-card {
  background-color: #faf9f7; /* 与参考图一致的超浅灰底色方块 */
  padding: 3vw 2vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border-radius: 4px; /* 极小的圆角或微小圆角，保持硬朗 */
}

.skill-icon {
  margin-bottom: var(--sp-lg);
  color: #333333; /* 图标采用深灰色，保持纤细线条 */
}

.skill-icon svg {
  width: 32px;
  height: 32px;
}

.skill-title {
  font-family: var(--font-sans); /* 改为无衬线体，与整体现代极简风格统一 */
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 600;
  color: #111111;
  margin-bottom: var(--sp-sm);
  line-height: 1.3;
}

.skill-desc {
  font-size: 0.9rem;
  font-weight: 400;
  color: #999999;
  line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 1024px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr); /* 平板尺寸变成横向 2x2 */
  }
}

@media (max-width: 600px) {
  .skills-grid {
    grid-template-columns: 1fr; /* 手机端变成单列 4 行 */
  }
  .skill-card {
    padding: 10vw 6vw;
  }
}

/* ========================================================= */
/* Works Section / 成果展示 (卡片流) */
/* ========================================================= */
.works-section {
  width: 100vw;
  background-color: #ffffff; /* 延续纯白色大背景 */
  padding: 4vw 4vw 8vw 4vw;
  display: flex;
  justify-content: center;
}

.works-container {
  max-width: 1200px;
  width: 100%;
}

/* 通用大模块主标题 (复用 about-title 样式体系) */
.section-title {
  text-align: center;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: #111111;
  margin-bottom: var(--sp-3xl);
  letter-spacing: 0.05em;
  line-height: 1.4;
  display: block; /* 覆盖之前可能的隐藏设定 */
}

/* 两两并排的网格布局 */
.works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-xl);
}

/* 作品卡片：浅灰色大包围底板 */
.work-card {
  background-color: #f7f6f4;
  border-radius: 20px; /* 大圆角显得现代而柔和 */
  padding: 2.5vw;
  display: flex;
  gap: var(--sp-lg);
  align-items: stretch; /* 让左右两边等高居中或上对齐 */
}

/* 卡片左侧：封面图区域 */
.work-image {
  flex-shrink: 0;
  width: 40%;
  aspect-ratio: 4 / 5; /* 封面照片比例 */
  border-radius: 12px;
  overflow: hidden;
  background-color: #e5e5e5;
  box-shadow: 4px 10px 25px rgba(0,0,0,0.06);
}

.work-image svg,
.work-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 卡片右侧：文字信息区域 */
.work-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center; /* 右侧文字垂直居中在卡片里 */
}

/* 右上角的黑色椭圆 Badge（类参考图 01 Branding） */
.work-badge {
  align-self: flex-end; /* 靠右上角 */
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--sp-md);
}

.badge-num {
  background-color: #222222;
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 20px;
}

.badge-text {
  font-size: 0.85rem;
  font-weight: 500;
  color: #555555;
}

/* 作品主标题与描述 */
.work-title {
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  font-weight: 600;
  color: #111111;
  margin-bottom: var(--sp-sm);
  line-height: 1.2;
}

.work-desc {
  font-size: clamp(0.9rem, 1.2vw, 1rem);
  font-weight: 400;
  color: #888888;
  line-height: 1.6;
  margin-bottom: var(--sp-lg);
}

/* 标签列表 */
.work-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-md);
  margin-top: auto; /* 推到最底部 */
}

.work-tags span {
  font-size: 0.8rem;
  font-weight: 500;
  color: #111111;
}

/* 响应式调整 */
@media (max-width: 1024px) {
  .works-grid {
    grid-template-columns: 1fr; /* 平板及以下，变为单列卡片平铺 */
  }
}

@media (max-width: 600px) {
  .work-card {
    flex-direction: column; /* 手机端，图在上，文字在下 */
    padding: 6vw;
  }
  .work-image {
    width: 100%;
    aspect-ratio: 16 / 9; /* 手机上变为横向封面 */
  }
  .work-badge {
    align-self: flex-start; /* 手机上文字排头 */
    margin-top: var(--sp-md);
  }
}

/* ========================================================= */
/* Contact Section / 联系方式 */
/* ========================================================= */
.contact-section {
  width: 100vw;
  background-color: #ffffff;
  padding: 8vw 4vw 12vw 4vw;
  display: flex;
  justify-content: center;
}

.contact-container {
  max-width: 1200px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--sp-3xl);
}

/* 左侧标题区：占据约1/3宽度 */
.contact-header {
  flex: 0 0 35%;
}

.contact-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: #111;
  line-height: 1.2;
  margin-bottom: var(--sp-md);
  letter-spacing: 0.02em;
}

.contact-subtitle {
  font-size: 1.1rem;
  color: #888;
  font-weight: 400;
}

/* 右侧列表区：占据剩余宽度，两列排布 */
.contact-list {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 平行两块：01 和 02 */
  gap: var(--sp-3xl);
  margin-top: 10px; /* 微微对齐左侧排版重点 */
}

/* 单个联系项块 */
.contact-item {
  display: flex;
  flex-direction: column;
}

/* 顶部序号与分割线 */
.contact-num-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--sp-xl);
}

.contact-index {
  font-size: 0.85rem;
  font-weight: 600;
  color: #666;
  font-family: monospace; /* 用等宽字体体现数字切割感 */
}

.contact-num-line .line {
  flex: 1;
  height: 2px;
  background-color: #222; /* 粗而黑的顶栏分割线 */
}

/* 标签和值 */
.contact-label {
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  font-weight: 600;
  color: #111;
  margin-bottom: var(--sp-md);
}

.contact-value {
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  font-weight: 400;
  color: #666;
  line-height: 1.5;
}

/* 响应式调整 */
@media (max-width: 900px) {
  .contact-container {
    flex-direction: column;
    align-items: center;
    gap: var(--sp-2xl);
  }
  
  .contact-header {
    flex: none;
    width: 100%;
    text-align: center;
    margin-bottom: var(--sp-lg);
  }

  .contact-list {
    grid-template-columns: 1fr;
    width: 100%;
    justify-items: center;
  }

  .contact-item {
    text-align: center;
    width: 100%;
  }

  .contact-num-line {
    display: none;
  }
}

@media (max-width: 600px) {
  .contact-list {
    grid-template-columns: 1fr;
    gap: var(--sp-2xl);
    justify-items: center;
  }

  .contact-item {
    text-align: center;
    width: 100%;
  }

  .contact-num-line {
    display: none;
  }
}

/* ========================================================= */
/* Footer / 页脚 — 扫码 + 复制链接 + 版权（与其他模板一致） */
/* ========================================================= */
footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--sp-md);
  padding: var(--sp-2xl) var(--sp-lg);
  font-size: 0.82rem;
  color: #888;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  background: #fafaf8;
}

.footer-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 999px;
  background: transparent;
  color: #444;
  font-size: 0.82rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.footer-btn:hover {
  background: #f0eee9;
  border-color: rgba(0, 0, 0, 0.25);
  color: #111;
  transform: translateY(-1px);
}

.footer-btn svg { width: 14px; height: 14px; flex-shrink: 0; }

.footer-btn.copied {
  color: #111;
  border-color: #111;
}

.footer-copy {
  margin-left: var(--sp-md);
  color: #aaa;
  font-size: 0.78rem;
}

@media (max-width: 600px) {
  footer {
    flex-direction: column;
    gap: var(--sp-sm);
    padding: var(--sp-xl) var(--sp-md);
  }
  .footer-copy { margin-left: 0; }
}

/* ========================================================= */
/* 滚动渐入动效 (Scroll Reveal) */
/* ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.85s cubic-bezier(0.25, 0.1, 0.25, 1),
              transform 0.85s cubic-bezier(0.25, 0.1, 0.25, 1);
  will-change: opacity, transform;
}

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

/* skill-card 悬停效果 */
.skill-card {
  transition: transform 0.35s cubic-bezier(0.25, 0.1, 0.25, 1),
              box-shadow 0.35s cubic-bezier(0.25, 0.1, 0.25, 1),
              background-color 0.35s ease;
}
.skill-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
  background-color: #fff;
}
.skill-card .skill-icon {
  transition: transform 0.45s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.skill-card:hover .skill-icon {
  transform: scale(1.1);
}

/* work-card 悬停效果 */
.work-card {
  transition: transform 0.4s cubic-bezier(0.25, 0.1, 0.25, 1),
              box-shadow 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}
.work-card .work-image img,
.work-card .work-image svg {
  transition: transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.work-card:hover .work-image img,
.work-card:hover .work-image svg {
  transform: scale(1.04);
}

/* hero 入场提示动效 */
@keyframes apple-hero-fade {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content,
.hero-image,
.hero-stats-wrapper {
  animation: apple-hero-fade 1s cubic-bezier(0.25, 0.1, 0.25, 1) both;
}
.hero-content { animation-delay: 0.05s; }
.hero-image { animation-delay: 0.2s; }
.hero-stats-wrapper { animation-delay: 0.4s; }

/* hero 水印慢速漂浮 */
@keyframes apple-watermark-drift {
  0%, 100% { transform: translate(-50%, -50%) translateX(0); }
  50% { transform: translate(-50%, -50%) translateX(-1.5%); }
}

.hero-watermark {
  animation: apple-watermark-drift 18s ease-in-out infinite;
}

/* ============================================================
   QR Popup —— 分享浮层
   ============================================================ */
.qr-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center; justify-content: center;
  animation: qr-fade-in 0.25s ease;
}
.qr-overlay.open { display: flex; }

@keyframes qr-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.qr-popup {
  background: #ffffff;
  border-radius: 20px;
  padding: 32px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  max-width: 340px; width: 90%;
  animation: qr-pop-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes qr-pop-in {
  from { opacity: 0; transform: scale(0.92) translateY(16px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.qr-popup .qr-code-container svg {
  display: block; margin: 0 auto;
  max-width: 100%; height: auto;
  border-radius: 8px;
}
.qr-popup .qr-hint {
  margin: 16px 0 8px;
  font-size: 0.85rem;
  color: var(--text-secondary, #6e6e73);
}
.qr-popup .qr-url {
  display: block;
  font-size: 0.75rem;
  color: var(--text-tertiary, #86868b);
  word-break: break-all;
  font-family: var(--mono, ui-monospace, SFMono-Regular, monospace);
  background: #f5f5f7;
  padding: 8px 12px;
  border-radius: 8px;
  margin-bottom: 20px;
}
.qr-close {
  display: inline-block;
  padding: 8px 24px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 999px;
  background: transparent;
  color: var(--text-primary, #1d1d1f);
  font-size: 0.88rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}
.qr-close:hover {
  background: #f5f5f7;
  transform: translateY(-1px);
}

/* ============================================================
   子页面 —— 内页布局
   ============================================================ */

/* 子页面导航：不透明毛玻璃（默认就显示，因为没 hero 衬底）
   index 页的 nav 仍走透明 → scrolled 逻辑 */
.apple-nav--inner {
  background: rgba(248, 247, 244, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom-color: rgba(0, 0, 0, 0.06);
}
.apple-nav--inner.scrolled {
  background: rgba(248, 247, 244, 0.92);
}

/* main 容器 —— 顶部留 nav 高度，居中限宽 */
.page-main {
  padding-top: 96px;
  padding-bottom: 80px;
  min-height: calc(100vh - 56px);
  background: #fafaf8;
}
.page-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 6vw;
}

/* 页面级标题 */
.page-main h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #1d1d1f;
  margin: 0 0 32px;
  line-height: 1.15;
}
.page-main h3 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #1d1d1f;
  margin: 48px 0 16px;
}
.page-main h3:first-child { margin-top: 0; }

.page-main p {
  font-size: 1rem;
  line-height: 1.75;
  color: #4a4a4a;
  margin: 0 0 18px;
}

.page-main .about-text p {
  font-size: 1.05rem;
  color: #333;
}

/* skill 标签云 */
.page-main .skills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 8px;
}
.page-main .skills .skill-tag,
.page-main .skills span {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.82rem;
  color: #444;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 999px;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.page-main .skills .skill-tag:hover,
.page-main .skills span:hover {
  background: #f0eee9;
  transform: translateY(-1px);
}

/* 经历 timeline */
.page-main .timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 2px solid rgba(0, 0, 0, 0.08);
}
.page-main .timeline li {
  position: relative;
  padding: 12px 0 20px 24px;
  color: #4a4a4a;
  font-size: 0.95rem;
  line-height: 1.7;
}
.page-main .timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 18px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #1d1d1f;
}

/* ========================================================= */
/* 简历页 (resume.html) — timeline + honor 网格               */
/* ========================================================= */
.resume-section {
  margin-bottom: 64px;
  position: relative;
}
.resume-section h3 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #6e6e73;
  margin: 0 0 28px;
  padding-left: 12px;
  border-left: 3px solid #1d1d1f;
  line-height: 1;
}

/* 教育 / 实习经历：timeline 列表 —— fixture 给的是裸 <li>，
   通过隐式包裹（display:flex on .resume-section > li 不行，所以包成 ul 视觉效果）。
   我们直接对 .resume-section 内的 li 做 timeline 样式（无需 ul 包裹）。 */
.resume-section > li,
.resume-section ul > li {
  list-style: none;
  position: relative;
  padding: 0 0 28px 152px;
  margin: 0;
  font-size: 0.95rem;
  color: #1d1d1f;
  line-height: 1.7;
}
.resume-section > li::before,
.resume-section ul > li::before {
  content: '';
  position: absolute;
  left: 119px;
  top: 8px;
  bottom: -8px;
  width: 1px;
  background: rgba(0, 0, 0, 0.1);
}
.resume-section > li:last-child::before,
.resume-section ul > li:last-child::before {
  display: none;
}
.resume-section > li::after,
.resume-section ul > li::after {
  content: '';
  position: absolute;
  left: 115px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #1d1d1f;
  box-shadow: 0 0 0 4px #fafaf8;
}
.resume-section > li > strong:first-child,
.resume-section ul > li > strong:first-child {
  position: absolute;
  left: 0;
  top: 2px;
  width: 100px;
  font-family: var(--mono, ui-monospace, SFMono-Regular, monospace);
  font-size: 0.82rem;
  font-weight: 600;
  color: #6e6e73;
  letter-spacing: 0.04em;
  text-align: right;
  padding-right: 8px;
  line-height: 1.6;
  white-space: nowrap;
}
.resume-section > li > br + span,
.resume-section ul > li > br + span {
  display: block;
  font-size: 0.88rem;
  color: #6e6e73;
  margin-top: 4px;
  line-height: 1.7;
}

/* 技能区：彩色描边胶囊，更像分组徽章 */
.resume-section .skills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-left: 0;
}
.resume-section .skills span {
  display: inline-block;
  padding: 8px 16px;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 999px;
  font-size: 0.82rem;
  color: #1d1d1f;
  font-weight: 500;
  transition: background 0.2s, transform 0.2s;
}
.resume-section .skills span:hover {
  background: #1d1d1f;
  color: #fafaf8;
  transform: translateY(-2px);
}

/* 荣誉奖项：横向卡片网格 */
.resume-section:has(> li:only-child) {
  /* 单行教育，不另作处理 */
}
/* 当 li 仅为单行文本（无 strong 时间标签）—— 荣誉条目做卡片化 */
.resume-section > li:not(:has(strong)),
.resume-section ul > li:not(:has(strong)) {
  display: inline-block;
  padding: 14px 20px;
  margin: 0 8px 10px 0;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 10px;
  font-size: 0.88rem;
  color: #1d1d1f;
  line-height: 1.5;
}
.resume-section > li:not(:has(strong))::before,
.resume-section > li:not(:has(strong))::after,
.resume-section ul > li:not(:has(strong))::before,
.resume-section ul > li:not(:has(strong))::after {
  display: none;
}

/* 项目网格 */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}
.project-grid > * {
  background: #ffffff;
  border-radius: 14px;
  padding: 28px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: transform 0.25s, box-shadow 0.25s;
}
.project-grid > *:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

/* portfolio/作品页：work-card 在 project-grid 里走竖排
   work SVG 自带项目名+分类，因此卡片就是纯图，下方文字隐藏，
   hover 时整图轻微推升 + 阴影 */
.project-grid .work-card {
  display: block;
  padding: 0;
  background: transparent;
  border-radius: 14px;
  overflow: hidden;
  border: none;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}
.project-grid .work-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
}
.project-grid .work-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  border-radius: 0 !important;
}
/* SVG 已经承载了项目名 + 分类，模板下方文字隐藏避免重复 */
.project-grid .work-card h3,
.project-grid .work-card p {
  display: none;
}

/* 产品页 product-grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 32px;
}
.product-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 32px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: transform 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}
.product-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: #1d1d1f;
}
.product-card .tagline {
  font-size: 0.95rem;
  color: #4a4a4a;
  margin: 0 0 20px;
  line-height: 1.6;
}
.product-card .metrics {
  font-size: 0.85rem;
  color: #6e6e73;
  margin-bottom: 20px;
}
.product-card .metrics .accent-text {
  color: #1d1d1f;
  font-weight: 600;
  font-family: var(--mono, ui-monospace, SFMono-Regular, monospace);
}
.product-card a {
  align-self: flex-start;
  margin-top: auto;
  color: #1d1d1f;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 18px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 999px;
  transition: background 0.2s, transform 0.2s;
}
.product-card a:hover {
  background: #f0eee9;
  transform: translateY(-1px);
}

/* 联系页 social links */
.contact-intro {
  font-size: 1.05rem;
  margin-bottom: 32px !important;
}
.social-links {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.social-links li {
  margin: 0;
}
.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 999px;
  color: #1d1d1f;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.social-links a:hover {
  transform: translateY(-2px);
  background: #f0eee9;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

/* 文章列表 */
.article-list {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
}
.article-list li {
  padding: 24px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  transition: padding-left 0.2s;
}
.article-list li:hover { padding-left: 8px; }
.article-list li:last-child { border-bottom: none; }
.article-list a {
  color: #1d1d1f;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
}
.article-list a:hover { color: #0066cc; }

/* 移动端微调 */
@media (max-width: 720px) {
  .page-main { padding-top: 80px; padding-bottom: 60px; }
  .page-main h2 { margin-bottom: 24px; }
  .page-main h3 { margin: 36px 0 12px; }
}