/* ========================================
   HARDCORE KK - SpaceX Style Portfolio
   ======================================== */

:root {
  --color-bg: #000000;
  --color-text: #ffffff;
  --color-accent: #00FF66;
  --color-text-muted: rgba(255, 255, 255, 0.6);
  --font-main: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  --transition-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  /* padding-top 通过 scroll-margin-top 处理了 */
}

/* ========================================
   顶部导航栏 - SpaceX 风格
   ======================================== */

.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4rem;
  z-index: 100;
  background: transparent;
  transition: background 0.3s ease;
}

.top-nav.scrolled {
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text);
  text-decoration: none;
}

.logo-img {
  height: 50px;
  width: auto;
  filter: brightness(0) saturate(100%) invert(57%) sepia(100%) saturate(1500%) hue-rotate(90deg);
  transition: filter 0.3s ease;
}

.nav-logo:hover .logo-img {
  filter: brightness(0) saturate(100%) invert(57%) sepia(100%) saturate(1500%) hue-rotate(90deg) drop-shadow(0 0 8px rgba(0, 255, 102, 0.5));
}

.nav-links {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.nav-dropdown {
  position: relative;
  padding-bottom: 8px; /* 添加padding消除hover间隙 */
}

/* 透明连接区域，防止鼠标移动时hover丢失 */
.nav-dropdown::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 20px;
  background: transparent;
  z-index: 1000;
}

.nav-link {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-text);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.3s ease;
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-cn {
  font-size: 0.875rem;
  color: var(--color-text);
  font-weight: 500;
}

.nav-en {
  font-size: 0.625rem;
  color: var(--color-text-muted);
  letter-spacing: 0.15em;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  opacity: 1;
}

.nav-link:hover .nav-cn {
  color: var(--color-accent);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* 下拉箭头 */
.dropdown-arrow {
  width: 12px;
  height: 12px;
  margin-left: 4px;
  transition: transform 0.3s ease;
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

/* 下拉菜单 */
.dropdown-menu {
  position: absolute;
  top: calc(100% - 8px); /* 紧贴nav-dropdown的padding区域 */
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  min-width: 160px;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1001;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu,
.dropdown-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.dropdown-item:hover {
  background: rgba(0, 255, 102, 0.1);
  color: var(--color-accent);
}

/* 搜索框下拉 */
.nav-search-dropdown {
  position: relative;
}

.search-trigger {
  cursor: pointer;
}

.search-trigger .search-icon {
  width: 14px;
  height: 14px;
}

.search-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  transform: translateX(-50%) translateY(10px);
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  min-width: 220px;
}

.nav-search-dropdown:hover .search-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.search-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  padding: 10px 12px;
  outline: none;
  color: var(--color-text);
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.search-input:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent);
}

.search-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.nav-menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.3s ease;
}

/* ========================================
   作品展示容器 - 全屏滚动
   ======================================== */

.works-container {
  /* 使用动态视口高度变量，适配多显示器 */
  height: 100vh;
  height: calc(var(--vh, 1vh) * 100);
  /* 顶部留出导航栏空间 */
  padding-top: 80px;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
}

.works-container::-webkit-scrollbar {
  width: 0;
  display: none;
}

/* ========================================
   每个作品屏 - 居中锁定
   ======================================== */

.work-section {
  /* 使用动态视口高度变量 */
  height: 100vh;
  height: calc(var(--vh, 1vh) * 100);
  width: 100%;
  position: relative;
  /* 居中对齐 */
  scroll-snap-align: start;
  scroll-snap-stop: always;
  scroll-margin-top: 0;
  overflow: hidden;
}

/* 首页封面屏 - 内容垂直居中 */
.hero-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.hero-section .work-image {
  position: relative;
  top: auto;
  left: auto;
  transform: none;
  max-height: calc(100vh - 160px);
}

.hero-section:hover .work-image {
  /* 移除悬停缩放效果，防止图片位置偏移 */
  /* transform: scale(1.02); */
}

.work-bg {
  position: absolute;
  inset: 0;
  /* 改为 contain 保持图片比例，cover 会裁剪图片 */
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #000;
  transition: transform 0.8s var(--transition-smooth);
}

/* 使用 img 标签展示图片 - 保持原始比例 */
.work-image {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.8s var(--transition-smooth);
  z-index: 1;
}

.work-section:hover .work-image {
  /* 移除悬停缩放效果，防止图片位置偏移 */
  /* transform: translate(-50%, -50%) scale(1.02); */
}

/* 图片区域渐变叠加层 */
.work-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.3) 0%,
    rgba(0, 0, 0, 0.1) 30%,
    rgba(0, 0, 0, 0.5) 80%,
    rgba(0, 0, 0, 0.8) 100%
  );
  z-index: 2;
  pointer-events: none;
}

/* 背景叠加层 */
.work-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.3) 0%,
    rgba(0, 0, 0, 0.1) 30%,
    rgba(0, 0, 0, 0.5) 80%,
    rgba(0, 0, 0, 0.8) 100%
  );
}

/* ========================================
   作品内容
   ======================================== */

.work-content {
  position: absolute;
  bottom: 15%;
  left: 8%;
  z-index: 10;
  opacity: 0;
  transform: translateY(40px);
  animation: fadeInUp 1s var(--transition-smooth) forwards;
  animation-delay: 0.3s;
  pointer-events: auto;
}

.work-section:nth-child(2) .work-content {
  animation-delay: 0.4s;
}

.work-section:nth-child(3) .work-content {
  animation-delay: 0.5s;
}

.work-section:nth-child(4) .work-content {
  animation-delay: 0.6s;
}

.work-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff 0%, #fff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.work-subtitle {
  font-size: clamp(0.875rem, 2vw, 1.125rem);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

/* ========================================
   EXPLORE 按钮
   ======================================== */

.explore-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s var(--transition-smooth);
  overflow: hidden;
  position: relative;
}

.explore-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  transform: translateX(-100%);
  transition: transform 0.4s var(--transition-smooth);
  z-index: -1;
}

.explore-btn:hover {
  color: var(--color-bg);
}

.explore-btn:hover::before {
  transform: translateX(0);
}

.explore-btn svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s var(--transition-smooth);
}

.explore-btn:hover svg {
  transform: translateX(4px);
}

/* ========================================
   滚动指示器
   ======================================== */

.scroll-indicator {
  position: absolute;
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  animation: fadeIn 1s ease forwards;
  animation-delay: 1s;
  z-index: 10;
}

.scroll-indicator span {
  font-size: 0.625rem;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
}

.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); }
}

/* ========================================
   About 页面
   ======================================== */

.about-section {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  /* 确保继承滚动吸附 */
  scroll-snap-align: start;
  scroll-snap-stop: always;
  scroll-margin-top: 80px;
}

.about-section .work-bg,
.about-section .work-image {
  display: none;
}

.about-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  max-width: 100%;
  padding: 2rem;
}

.about-title {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
  font-style: italic;
  text-shadow: 
    0 0 5px var(--color-accent),
    0 0 10px rgba(0, 255, 102, 0.6);
  white-space: nowrap;
  -webkit-text-stroke: 1px rgba(0, 255, 102, 0.3);
  text-align: center;
}

@keyframes cyberGlow {
  0%, 100% { 
    text-shadow: 
      0 0 10px var(--color-accent),
      0 0 20px var(--color-accent),
      0 0 40px var(--color-accent);
  }
  50% { 
    text-shadow: 
      0 0 5px var(--color-accent),
      0 0 15px var(--color-accent),
      0 0 30px var(--color-accent);
  }
}

.slogan {
  font-size: clamp(0.75rem, 1.5vw, 1rem);
  font-weight: 400;
  letter-spacing: 0.5em;
  color: var(--color-accent);
  margin-bottom: 3rem;
  text-transform: uppercase;
  opacity: 0.8;
  text-shadow: 0 0 10px var(--color-accent);
}

.wechat-qr {
  display: block;
  width: 180px;
  height: 180px;
  margin: 0 auto;
  padding: 4px;
  background: #000;
  border: 2px solid var(--color-accent);
  box-shadow: 0 0 20px rgba(0, 255, 102, 0.3), inset 0 0 10px rgba(0, 255, 102, 0.1);
  transition: all 0.3s ease;
}

.wechat-qr:hover {
  box-shadow: 0 0 40px rgba(0, 255, 102, 0.5), inset 0 0 20px rgba(0, 255, 102, 0.2);
  transform: scale(1.05);
}

.qr-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.social-link {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s var(--transition-smooth);
}

.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ========================================
   详情页面
   ======================================== */

.detail-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--transition-smooth), visibility 0.5s;
}

.detail-overlay.active {
  opacity: 1;
  visibility: visible;
}

.close-btn {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-text);
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--transition-smooth);
}

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

.close-btn svg {
  width: 24px;
  height: 24px;
}

/* 详情页左右分屏 */
.detail-container {
  display: flex;
  height: 100vh;
  height: calc(var(--vh, 1vh) * 100);
  width: 100%;
}

/* 左边：分镜图 */
.detail-left {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0a0a;
  padding: 4rem;
}

.detail-left img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* 右边：信息 + 播放器 */
.detail-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem;
  overflow-y: auto;
}

.detail-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.detail-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.video-player {
  width: 100%;
  aspect-ratio: 21/9;
  background: #0a0a0a;
  margin-bottom: 2rem;
}

.video-player video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.detail-nav {
  display: flex;
  gap: 1rem;
}

.prev-btn,
.next-btn {
  width: 56px;
  height: 56px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--transition-smooth);
}

.prev-btn:hover,
.next-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(0, 255, 102, 0.1);
}

.prev-btn svg,
.next-btn svg {
  width: 24px;
  height: 24px;
}

/* ========================================
   动画
   ======================================== */

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* ========================================
   响应式 - 手机端
   ======================================== */

@media (max-width: 768px) {
  .top-nav {
    padding: 0 1.5rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.95);
    padding: 2rem;
    gap: 1.5rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-menu-btn {
    display: flex;
  }

  .work-section {
    scroll-margin-top: 70px;
  }

  .work-content {
    left: 5%;
    bottom: 20%;
  }

  .explore-btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.75rem;
  }

  /* 详情页手机端：上下分屏 */
  .detail-container {
    flex-direction: column;
  }

  .detail-left {
    flex: 0 0 40vh;
    padding: 2rem;
  }

  .detail-right {
    flex: 1;
    padding: 2rem;
    justify-content: flex-start;
  }

  .detail-nav {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
  }

  .close-btn {
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
  }
}

/* ========================================
   苹果式滚动过渡特效
   ======================================== */

.work-section {
  /* 纯滚动吸附，无动画干扰 */
}

/* ========================================
   分类页面样式
   ======================================== */

.category-header {
  height: 40vh;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
  overflow: hidden;
}

.category-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 255, 102, 0.1) 0%, transparent 50%);
}

.category-content {
  text-align: center;
  z-index: 1;
}

.category-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.category-title .nav-cn {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--color-text);
}

.category-title .nav-en {
  font-size: clamp(0.875rem, 2vw, 1.25rem);
  color: var(--color-accent);
  letter-spacing: 0.3em;
}

.category-count {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.category-count span {
  color: var(--color-accent);
  font-weight: 600;
}

/* 作品卡片网格 */
.category-works {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 2rem;
  padding: 4rem;
  max-width: 1600px;
  margin: 0 auto;
}

.work-card {
  aspect-ratio: 21/9;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.5s var(--transition-smooth);
}

.work-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.work-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s var(--transition-smooth);
}

.work-card:hover .work-card-bg {
  transform: scale(1.05);
}

.work-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.3) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.work-card:hover .work-card-overlay {
  opacity: 1;
}

.work-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.work-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.work-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.3s ease;
  width: fit-content;
}

.work-card-btn:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

.work-card-btn svg {
  width: 16px;
  height: 16px;
}

/* 空状态 */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 6rem 2rem;
  color: var(--color-text-muted);
}

.empty-state p {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.back-link {
  color: var(--color-accent);
  text-decoration: none;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--color-accent);
  transition: all 0.3s ease;
}

.back-link:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* 分类页面响应式 */
@media (max-width: 768px) {
  .category-header {
    height: 30vh;
    min-height: 200px;
  }

  .category-works {
    grid-template-columns: 1fr;
    padding: 2rem;
    gap: 1.5rem;
  }

  .work-card {
    aspect-ratio: 16/9;
  }

  .work-card-overlay {
    padding: 1.5rem;
  }

  .work-card-title {
    font-size: 1.25rem;
  }
}

/* 空白分类页面 */
.category-placeholder {
  height: calc(100vh - 80px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(circle at 50% 50%, rgba(0, 255, 102, 0.05) 0%, transparent 50%);
}

.category-placeholder h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.category-placeholder p {
  font-size: clamp(0.875rem, 2vw, 1.25rem);
  color: var(--color-accent);
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

/* ========================================
   关于页面 - 全屏
   ======================================== */

.about-fullpage {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
  position: relative;
  z-index: 1;
  background: radial-gradient(circle at 50% 50%, rgba(0, 255, 102, 0.05) 0%, transparent 50%);
}

.about-fullpage-content {
  text-align: center;
  padding: 2rem;
}

.about-fullpage-title {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 1rem;
  font-style: italic;
  text-shadow: 
    0 0 5px var(--color-accent),
    0 0 10px rgba(0, 255, 102, 0.6);
  white-space: nowrap;
  -webkit-text-stroke: 1px rgba(0, 255, 102, 0.3);
  text-align: center;
}

.about-fullpage-subtitle {
  font-size: clamp(1rem, 2vw, 1.5rem);
  color: var(--color-text);
  letter-spacing: 0.3em;
  margin-bottom: 3rem;
  text-transform: uppercase;
  opacity: 0.8;
}

.about-fullpage-desc {
  margin-bottom: 3rem;
}

.about-fullpage-desc p {
  font-size: clamp(0.875rem, 1.5vw, 1.125rem);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

/* ========================================
   电流效果 - 赛博朋克电弧动画
   ======================================== */


/* 首页封面屏 */
.hero-section .scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
}