/* ============================================================
   Cathy Wang — 个人作品集网站样式
   风格：极简 · 现代 · 高级感 · 女性设计师风格
   配色：暖白底 + 玫瑰金点缀 + 柔和灰文字
   ============================================================ */

/* ---------- CSS 变量（方便统一修改主题色） ---------- */
:root {
  --color-bg:        #FAF9F6;
  --color-bg-alt:    #F3F0EB;
  --color-surface:   #FFFFFF;
  --color-text:      #3A3633;
  --color-text-light:#8A817A;
  --color-accent:    #C9A89A;
  --color-accent-deep:#B08E7E;
  --color-accent-bg: #F5EDE8;
  --color-border:    #E8E2DB;
  --color-rose:      #D4B5A9;
  --color-gold:      #C4A67D;

  --font-display:    'Playfair Display', 'Noto Serif SC', serif;
  --font-body:       'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --shadow-sm:  0 2px 8px rgba(60,40,30,0.06);
  --shadow-md:  0 8px 30px rgba(60,40,30,0.08);
  --shadow-lg:  0 20px 60px rgba(60,40,30,0.10);

  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 导航栏 ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(250, 249, 246, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--color-accent); }

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a:hover::after { width: 100%; }

/* 移动端汉堡菜单 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
  border-radius: 2px;
}

/* ---------- Hero 首屏 ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 40%, rgba(201,168,154,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 60%, rgba(196,166,125,0.08) 0%, transparent 70%);
  pointer-events: none;
}

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

/* 头像 */
.hero-avatar-wrapper {
  margin-bottom: 32px;
}

.hero-avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  margin: 0 auto;
  overflow: hidden;
  border: 3px solid var(--color-accent);
  box-shadow: 0 0 0 8px rgba(201,168,154,0.12), var(--shadow-md);
  background: var(--color-accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-avatar.no-photo::after {
  content: 'C';
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 600;
  color: var(--color-accent);
}

.hero-label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 16px;
}

.hero-en {
  display: block;
  font-size: 0.45em;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-top: 4px;
}

.hero-tagline {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 40px;
  font-weight: 300;
  letter-spacing: 0.12em;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,154,0.3);
}

.btn-outline {
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-deep);
  transform: translateY(-2px);
}

/* 滚动提示 */
.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-light);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ---------- 通用区块 ---------- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

/* ---------- 关于我 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: center;
}

.about-photo-frame {
  aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-accent-bg);
  box-shadow: var(--shadow-md);
  position: relative;
}
.about-photo-frame::before {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  right: 8px;
  bottom: 8px;
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.4;
}
.about-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-photo-frame.no-photo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
}
.about-photo-frame.no-photo::after {
  content: 'Cathy';
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-accent);
}

.about-intro {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: 36px;
  font-weight: 300;
}

.about-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.detail-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-light);
  min-width: 80px;
}

.detail-value {
  font-size: 0.95rem;
  color: var(--color-text);
}

/* ---------- 技能 ---------- */
.skills {
  background: var(--color-bg-alt);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.skill-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid transparent;
  opacity: 0;
  transform: translateY(20px);
}

.skill-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.skill-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.skill-icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.skill-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--color-accent-bg);
  color: var(--color-accent-deep);
  transition: all var(--transition);
}

.tag:hover {
  background: var(--color-accent);
  color: #fff;
}

/* ---------- 作品集 ---------- */
.portfolio-filters {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 8px 22px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-light);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-deep);
}

.filter-btn.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* 作品网格 */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.portfolio-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  opacity: 0;
  transform: translateY(20px);
}

.portfolio-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.portfolio-thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
  background: var(--color-bg-alt);
}

.portfolio-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portfolio-item:hover .portfolio-thumb img {
  transform: scale(1.05);
}

/* 类型角标 */
.portfolio-type-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.portfolio-type-badge.design {
  background: rgba(201,168,154,0.85);
  color: #fff;
}
.portfolio-type-badge.video {
  background: rgba(196,166,125,0.85);
  color: #fff;
}
.portfolio-type-badge.ui {
  background: rgba(160,140,180,0.85);
  color: #fff;
}
.portfolio-type-badge.article {
  background: rgba(150,170,160,0.85);
  color: #fff;
}

/* 视频播放图标 */
.portfolio-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
}
.portfolio-play-icon svg {
  width: 20px;
  height: 20px;
  margin-left: 3px;
  color: var(--color-accent-deep);
}
.portfolio-item:hover .portfolio-play-icon {
  transform: translate(-50%, -50%) scale(1.1);
  background: #fff;
}

/* PDF 图标 */
.portfolio-pdf-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-accent-deep);
  letter-spacing: 0.05em;
}

/* 无缩略图时的占位 */
.portfolio-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--color-text-light);
  font-size: 0.85rem;
}
.portfolio-thumb-placeholder svg {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
  opacity: 0.5;
}

.portfolio-info {
  padding: 20px 24px;
}

.portfolio-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.portfolio-desc {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ---------- 联系我 ---------- */
.contact {
  background: var(--color-bg-alt);
}

.contact-intro {
  text-align: center;
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 48px;
  font-weight: 300;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 700px;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 40px 24px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid transparent;
}
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.contact-icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.contact-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.contact-value {
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 500;
}

/* ---------- 页脚 ---------- */
.footer {
  padding: 40px 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

.footer p {
  margin: 4px 0;
}

.footer a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer a:hover {
  color: var(--color-accent);
}

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(250,249,246,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  font-size: 2rem;
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
.lightbox-close:hover {
  color: var(--color-accent);
  background: var(--color-accent-bg);
}

/* 普通灯箱内容区 */
.lightbox-content {
  max-width: 90vw;
  max-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-md);
}
.lightbox-content img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}
.lightbox-content video {
  max-width: 100%;
  max-height: 70vh;
  border-radius: var(--radius-md);
}
.lightbox-content iframe {
  width: 80vw;
  height: 70vh;
  border: none;
  border-radius: var(--radius-md);
}

/* ---------- PDF 预览（PDF.js 渲染） ---------- */
.pdf-viewer {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-height: 70vh;
  width: 100%;
}
.pdf-toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 20px;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
  z-index: 10;
}
.pdf-toolbar button {
  padding: 5px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
}
.pdf-toolbar button:hover {
  background: var(--color-accent-bg);
  border-color: var(--color-accent);
}
.pdf-page-info {
  font-size: 0.85rem;
  color: var(--color-text-light);
  min-width: 60px;
  text-align: center;
}
.pdf-canvas-wrap {
  max-height: 60vh;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) transparent;
}
.pdf-canvas-wrap::-webkit-scrollbar { width: 6px; }
.pdf-canvas-wrap::-webkit-scrollbar-track { background: transparent; }
.pdf-canvas-wrap::-webkit-scrollbar-thumb { background: var(--color-accent); border-radius: 3px; }
.pdf-canvas {
  max-width: 100%;
  height: auto;
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-sm);
}

/* ---------- 长图灯箱模式：适合手机海报宽度，可垂直滚动 ---------- */
.lightbox.is-long .lightbox-content {
  max-width: 480px;     /* 手机海报常用宽度 */
  max-height: 88vh;     /* 几乎撑满屏幕 */
  width: 100%;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) transparent;
}
.lightbox.is-long .lightbox-content::-webkit-scrollbar { width: 6px; }
.lightbox.is-long .lightbox-content::-webkit-scrollbar-track { background: transparent; }
.lightbox.is-long .lightbox-content::-webkit-scrollbar-thumb { background: var(--color-accent); border-radius: 3px; }

/* 长图图片：自然宽度，不强制压缩 */
.lightbox.is-long .lightbox-content img {
  max-height: none;
  width: 100%;
  object-fit: unset;
  border-radius: var(--radius-md);
}

.lightbox-info {
  text-align: center;
  margin-top: 24px;
}

.lightbox-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.lightbox-desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  max-width: 500px;
  margin: 0 auto;
}

.lightbox-link {
  display: inline-block;
  margin-top: 16px;
  padding: 8px 24px;
  border-radius: 50px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all var(--transition);
}
.lightbox-link:hover {
  background: var(--color-accent-deep);
}

/* ---------- 滚动动画 ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(250,249,246,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 999;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    font-size: 1.2rem;
  }
  .nav-toggle {
    display: flex;
    z-index: 1000;
  }

  .hero {
    padding: 100px 20px 60px;
  }
  .hero-avatar {
    width: 110px;
    height: 110px;
  }
  .hero-name {
    font-size: 2.2rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .about-photo-frame {
    max-width: 300px;
    margin: 0 auto;
  }

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

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

  .section {
    padding: 70px 0;
  }

  .lightbox {
    padding: 20px;
  }
  .lightbox-content iframe {
    width: 95vw;
    height: 50vh;
  }
}

@media (max-width: 480px) {
  .hero-avatar {
    width: 96px;
    height: 96px;
  }
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    padding: 12px 28px;
  }
  .contact-cards {
    grid-template-columns: 1fr;
  }
}

/* ---------- 长图文卡片：缩略图区不裁剪，保留完整比例 ---------- */
.portfolio-item.is-long .portfolio-thumb {
  aspect-ratio: auto;
  max-height: 280px;
  overflow: hidden;
}
.portfolio-item.is-long .portfolio-thumb img {
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: top;
}

/* 系列角标 */
.portfolio-series-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: rgba(180,140,200,0.85);
  color: #fff;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* 长图角标 */
.portfolio-long-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: rgba(196,166,125,0.85);
  color: #fff;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* ---------- 轮播箭头 ---------- */
.lb-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(250,249,246,0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2010;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.lb-arrow:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.lb-prev { left: 20px; }
.lb-next { right: 20px; }

/* ---------- 计数器 ---------- */
.lb-counter {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(250,249,246,0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 0.78rem;
  color: var(--color-text-light);
  z-index: 2010;
}

/* 移动端箭头缩小 */
@media (max-width: 768px) {
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
  .lb-arrow { width: 36px; height: 36px; font-size: 1rem; }
}

/* ---------- 暗色灯箱：毕业设计《幻醺》专用 ---------- */
.lightbox.is-dark {
  background: rgba(10, 10, 12, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* 暗色关闭按钮 */
.lightbox.is-dark .lightbox-close {
  color: rgba(255,255,255,0.8);
}
.lightbox.is-dark .lightbox-close:hover {
  color: #fff;
  background: rgba(255,255,255,0.1);
}

/* 暗色标题 & 描述 */
.lightbox.is-dark .lightbox-title {
  color: #fff;
}
.lightbox.is-dark .lightbox-desc {
  color: rgba(255,255,255,0.6);
}

/* 暗色图片在黑色背景上居中，横竖版自动适配 */
.lightbox.is-dark .lightbox-content {
  max-width: 92vw;
  max-height: 82vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.lightbox.is-dark .lightbox-content img {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

/* 暗色轮播箭头 */
.lightbox.is-dark .lb-arrow {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.lightbox.is-dark .lb-arrow:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* 暗色计数器 */
.lightbox.is-dark .lb-counter {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.7);
}

/* ============================================================
   教育经历
   ============================================================ */

.education {
  background: var(--color-bg);
}

.education-card {
  max-width: 820px;
  margin: 0 auto;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 36px 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
  transition: all var(--transition);
}

.education-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.education-period {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent-deep);
  background: var(--color-accent-bg);
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.03em;
  margin-bottom: 16px;
}

.education-school {
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.3;
}

.education-major {
  font-size: 0.95rem;
  color: var(--color-text-light);
  font-weight: 400;
}

.education-honors {
  border-left: 1px dashed var(--color-border);
  padding-left: 40px;
}

.education-honors .honor-title {
  margin-bottom: 14px;
}

/* 教育经历移动端适配 */
@media (max-width: 768px) {
  .education-card {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 28px;
  }
  .education-honors {
    border-left: none;
    padding-left: 0;
    padding-top: 28px;
    border-top: 1px dashed var(--color-border);
  }
}

/* ============================================================
   工作经历 — 信息可视化时间轴
   ============================================================ */

.experience {
  background: var(--color-bg-alt);
}

/* 时间轴容器 */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}

/* 中线 */
.timeline-rail {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
}
.timeline-line {
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--color-accent) 8%,
    var(--color-rose) 50%,
    var(--color-gold) 92%,
    transparent 100%
  );
  opacity: 0.5;
}

/* 条目 */
.timeline-items {
  position: relative;
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 48px;
  margin-bottom: 60px;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.timeline-item.in-view {
  opacity: 1;
  transform: translateY(0);
}

.timeline-item[data-side="left"] {
  left: 0;
  text-align: right;
}
.timeline-item[data-side="right"] {
  left: 50%;
  text-align: left;
}

/* 时间点圆点 */
.timeline-dot {
  position: absolute;
  top: 28px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2.5px solid var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-bg-alt);
  z-index: 2;
  transition: all var(--transition);
}
.timeline-item[data-side="left"] .timeline-dot {
  right: -7px;
}
.timeline-item[data-side="right"] .timeline-dot {
  left: -7px;
}
.timeline-item:hover .timeline-dot {
  background: var(--color-accent);
  transform: scale(1.25);
  box-shadow: 0 0 0 4px var(--color-bg-alt), 0 0 16px rgba(201,168,154,0.5);
}

/* 卡片 */
.timeline-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  position: relative;
  display: inline-block;
  max-width: 380px;
}
.timeline-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

/* 卡片三角箭头 */
.timeline-item[data-side="left"] .timeline-card::after {
  content: '';
  position: absolute;
  right: -8px;
  top: 30px;
  width: 0;
  height: 0;
  border-left: 8px solid var(--color-surface);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  filter: drop-shadow(2px 0 0 var(--color-border));
}
.timeline-item[data-side="right"] .timeline-card::after {
  content: '';
  position: absolute;
  left: -8px;
  top: 30px;
  width: 0;
  height: 0;
  border-right: 8px solid var(--color-surface);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  filter: drop-shadow(-2px 0 0 var(--color-border));
}

/* 时间标签 */
.timeline-period {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent-deep);
  letter-spacing: 0.05em;
  background: var(--color-accent-bg);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}

/* 职位 */
.timeline-role {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

/* 公司/机构 */
.timeline-company {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
  font-weight: 500;
}

/* 描述 */
.timeline-desc {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.75;
  margin-bottom: 16px;
}

/* 标签 */
.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.timeline-item[data-side="left"] .timeline-tags {
  justify-content: flex-end;
}
.tl-tag {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-accent-deep);
  background: var(--color-accent-bg);
  padding: 3px 10px;
  border-radius: 50px;
  letter-spacing: 0.02em;
}

/* 荣誉列表 */
.timeline-honors {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--color-border);
  text-align: left;
}
.honor-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}
.honor-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}
.honor-list li {
  position: relative;
  padding-left: 14px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--color-text-light);
  text-align: left;
}
.honor-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ---------- 响应式：移动端单列 ---------- */
@media (max-width: 768px) {
  .timeline-rail {
    left: 24px;
  }
  .timeline-item {
    width: 100%;
    left: 0 !important;
    text-align: left !important;
    padding: 0 0 0 56px;
  }
  .timeline-item[data-side="left"] .timeline-dot,
  .timeline-item[data-side="right"] .timeline-dot {
    left: 17px;
    right: auto;
  }
  .timeline-item[data-side="left"] .timeline-card::after,
  .timeline-item[data-side="right"] .timeline-card::after {
    left: -8px;
    right: auto;
    border-right: 8px solid var(--color-surface);
    border-left: none;
    filter: drop-shadow(-2px 0 0 var(--color-border));
  }
  .timeline-item[data-side="left"] .timeline-tags {
    justify-content: flex-start;
  }
  .timeline-card {
    max-width: 100%;
    width: 100%;
  }
}