/* ==============================
   赛博朋克风格变量系统
   ============================== */
:root {
  /* 核心色调 - 安全黑客风格 */
  --bg-primary: #0a0e17;
  --bg-secondary: #141a28;
  --bg-tertiary: #1e2738;
  --bg-card: rgba(30, 39, 56, 0.7);

  /* 主色调 - 霓虹色 */
  --accent-primary: #00ff88;  /* 安全绿 */
  --accent-secondary: #ff0055; /* 警告红 */
  --accent-tertiary: #00f5ff;  /* 科技蓝 */
  --accent-gradient: linear-gradient(135deg, #00ff88 0%, #00f5ff 100%);
  --danger-gradient: linear-gradient(135deg, #ff0055 0%, #ff8800 100%);

  /* 文本颜色 */
  --text-primary: #ffffff;
  --text-secondary: #b0b8c4;
  --text-tertiary: #7a8499;
  --text-accent: #00ff88;

  /* 边框与发光效果 */
  --border-color: rgba(0, 255, 136, 0.2);
  --border-glow: 0 0 10px rgba(0, 255, 136, 0.5), 0 0 20px rgba(0, 255, 136, 0.2);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.3);

  /* 字体系统 */
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-display: var(--font-mono);

  /* 间距系统 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 5rem;

  /* 圆角系统 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;

  /* 动画 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ==============================
   全局基础样式
   ============================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* 动态背景层 */
.matrix-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 80%, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 245, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
  z-index: 0;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(20px, 20px); }
}

.scan-line {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: linear-gradient(to bottom,
    transparent 0%,
    rgba(0, 255, 136, 0.03) 50%,
    transparent 100%);
  pointer-events: none;
  z-index: 2;
  animation: scanDown 4s linear infinite;
}

@keyframes scanDown {
  0% { top: -100px; }
  100% { top: 100%; }
}

/* 内容层 */
.container,
section,
nav,
footer {
  position: relative;
  z-index: 1;
}

/* ==============================
   通用组件样式
   ============================== */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-family: var(--font-mono);
  position: relative;
  overflow: hidden;
}

.btn-glitch {
  background: var(--accent-gradient);
  color: var(--bg-primary);
  box-shadow: var(--shadow-glow);
}

.btn-glitch::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.btn-glitch:hover::before {
  left: 100%;
}

.btn-glitch:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.6);
}

.btn-hollow {
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
}

.btn-hollow:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  box-shadow: var(--shadow-glow);
}

/* 章节标题 */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.cyber-header {
  position: relative;
}

.section-prefix {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 1rem;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-display);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.section-underline {
  width: 100px;
  height: 3px;
  background: var(--border-color);
  margin: 0 auto;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.underline-glitch {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 30px;
  background: var(--accent-primary);
  animation: underlineGlow 2s ease-in-out infinite;
}

@keyframes underlineGlow {
  0%, 100% { left: 0; opacity: 0.5; }
  50% { left: 70px; opacity: 1; }
}

.section-subtitle {
  color: var(--text-tertiary);
  margin-top: var(--spacing-sm);
  font-size: 1.1rem;
}

/* 玻璃态卡片 */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  border-color: var(--accent-primary);
}

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ==============================
   Hero区域样式
   ============================== */
.cyber-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl) 0;
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  max-width: 1200px;
  width: 100%;
  padding: 0 var(--spacing-lg);
}

/* 终端输入效果 */
.terminal-prompt {
  font-family: var(--font-mono);
  color: var(--accent-primary);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.prompt-symbol {
  color: var(--accent-secondary);
  font-weight: bold;
}

.typing-text {
  border-right: 2px solid var(--accent-primary);
  animation: typing 2s steps(6) forwards, blink 1s step-end infinite;
  white-space: nowrap;
  overflow: hidden;
}

@keyframes typing {
  from { width: 0; }
  to { width: 6ch; }
}

@keyframes blink {
  from, to { border-color: transparent; }
  50% { border-color: var(--accent-primary); }
}

.cursor {
  animation: blink 1s step-end infinite;
  color: var(--accent-primary);
  font-weight: bold;
}

/* 故障艺术名字效果 */
.glitch-name {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  position: relative;
  font-family: var(--font-display);
}

.text-layer {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 2;
}

.glitch-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  z-index: 1;
  animation: glitchEffect 3s infinite;
}

@keyframes glitchEffect {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 1px); }
  40% { transform: translate(-1px, -1px); }
  60% { transform: translate(1px, 1px); }
  80% { transform: translate(2px, -1px); }
}

/* 头衔旋转效果 */
.title-rotator {
  height: 2rem;
  margin-bottom: var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.title-item {
  position: absolute;
  width: 100%;
  font-size: 1.5rem;
  color: var(--text-secondary);
  opacity: 0;
  animation: rotateTitles 8s infinite;
  font-family: var(--font-mono);
}

.title-item:nth-child(1) { animation-delay: 0s; }
.title-item:nth-child(2) { animation-delay: 2s; }
.title-item:nth-child(3) { animation-delay: 4s; }
.title-item:nth-child(4) { animation-delay: 6s; }

@keyframes rotateTitles {
  0% { opacity: 0; transform: translateY(20px); }
  5% { opacity: 1; transform: translateY(0); }
  20% { opacity: 1; transform: translateY(0); }
  25% { opacity: 0; transform: translateY(-20px); }
  100% { opacity: 0; transform: translateY(-20px); }
}

.bio {
  font-size: 1.1rem;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

/* 数据统计 */
.hero-stats {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* 右侧全息投影效果 */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hologram-container {
  position: relative;
  width: 320px;
  height: 320px;
}

.hologram-effect {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 110%;
  height: 110%;
  background: conic-gradient(from 0deg, transparent, var(--accent-primary), transparent);
  border-radius: 50%;
  filter: blur(30px);
  opacity: 0.3;
  animation: hologramRotate 4s linear infinite;
}

@keyframes hologramRotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.avatar-frame {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 3px solid var(--accent-primary);
  box-shadow: var(--shadow-glow);
  overflow: hidden;
  z-index: 2;
}

.avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.scan-effect {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom,
    transparent 0%,
    rgba(0, 255, 136, 0.1) 50%,
    transparent 100%);
  animation: scanAvatar 2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes scanAvatar {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

.binary-rain {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3;
}

.binary-digit {
  position: absolute;
  color: var(--accent-primary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  opacity: 0.7;
  animation: binaryFall 2s linear infinite;
}

.binary-digit:nth-child(1) { left: 10%; animation-delay: 0s; }
.binary-digit:nth-child(2) { left: 30%; animation-delay: 0.5s; }
.binary-digit:nth-child(3) { left: 50%; animation-delay: 1s; }
.binary-digit:nth-child(4) { left: 70%; animation-delay: 1.5s; }
.binary-digit:nth-child(5) { left: 90%; animation-delay: 0.3s; }
.binary-digit:nth-child(6) { left: 20%; animation-delay: 0.8s; }

@keyframes binaryFall {
  0% { transform: translateY(-20px); opacity: 0; }
  10% { opacity: 0.7; }
  90% { opacity: 0.7; }
  100% { transform: translateY(340px); opacity: 0; }
}

/* 浮动徽章 */
.floating-badges {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
}

.badge {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  box-shadow: var(--shadow-card);
  animation: floatBadge 3s ease-in-out infinite;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.security-badge {
  top: 10%;
  right: -10%;
  animation-delay: 0s;
  border-color: var(--accent-primary);
}

.code-badge {
  bottom: 20%;
  left: -15%;
  animation-delay: 1s;
  border-color: var(--accent-tertiary);
  color: var(--accent-tertiary);
}

.camera-badge {
  bottom: 10%;
  right: -5%;
  animation-delay: 2s;
  border-color: var(--accent-secondary);
  color: var(--accent-secondary);
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
}

/* 滚动提示 */
.scroll-prompt {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-tertiary);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-primary), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.scroll-text {
  animation: blink 2s ease-in-out infinite;
}

/* ==============================
   通用区块样式
   ============================== */
section {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-color), transparent);
}

/* ==============================
   技能矩阵区域
   ============================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.skill-category-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

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

.category-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.category-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--bg-primary);
  box-shadow: var(--shadow-glow);
}

.category-header h3 {
  font-size: 1.3rem;
  font-family: var(--font-display);
  flex: 1;
}

.category-level {
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent-primary);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  border: 1px solid var(--border-color);
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.skill-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-sm);
  align-items: center;
}

.skill-name {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.skill-bar {
  grid-column: 1 / -1;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.skill-progress {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 3px;
  position: relative;
  animation: skillGrow 2s ease-out forwards;
  transform-origin: left;
}

.skill-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 20px;
  background: rgba(255, 255, 255, 0.6);
  filter: blur(4px);
  animation: skillShine 2s ease-in-out infinite;
}

@keyframes skillGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes skillShine {
  0% { transform: translateX(-20px); }
  100% { transform: translateX(300px); }
}

.skill-percent {
  color: var(--accent-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
}

/* 技能标签云 */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.tag-item {
  background: rgba(0, 255, 136, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: var(--font-mono);
  transition: all var(--transition-fast);
  cursor: default;
}

.tag-item:hover {
  background: rgba(0, 255, 136, 0.15);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 255, 136, 0.2);
}

/* ==============================
   项目作品区域
   ============================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.project-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  border-color: var(--accent-primary);
}

.project-image {
  height: 200px;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  position: relative;
  overflow: hidden;
}

.project-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    45deg,
    rgba(0, 255, 136, 0.03),
    rgba(0, 255, 136, 0.03) 10px,
    transparent 10px,
    transparent 20px
  );
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(10, 14, 23, 0.8), transparent);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-md);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  background: rgba(0, 255, 136, 0.2);
  color: var(--accent-primary);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(5px);
}

.project-content {
  padding: var(--spacing-lg);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.project-title {
  font-size: 1.3rem;
  font-family: var(--font-display);
  color: var(--text-primary);
}

.project-year {
  background: rgba(0, 245, 255, 0.1);
  color: var(--accent-tertiary);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  border: 1px solid rgba(0, 245, 255, 0.2);
}

.project-description {
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-md);
  font-size: 0.95rem;
  line-height: 1.7;
}

.project-meta {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.project-stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.project-stat i {
  color: var(--accent-primary);
  font-size: 0.9rem;
}

.project-links {
  display: flex;
  gap: var(--spacing-md);
}

.project-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  padding: 0.5rem 0;
}

.project-link:hover {
  color: var(--accent-primary);
  gap: 0.8rem;
}

.more-projects {
  text-align: center;
}

/* ==============================
   职业时间线区域
   ============================== */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-2xl);
  width: 50%;
}

.timeline-item.left {
  padding-right: var(--spacing-xl);
  text-align: right;
}

.timeline-item.right {
  margin-left: 50%;
  padding-left: var(--spacing-xl);
}

.timeline-dot {
  position: absolute;
  top: 0;
  width: 50px;
  height: 50px;
  background: var(--bg-card);
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  z-index: 2;
}

.timeline-item.left .timeline-dot {
  right: -25px;
}

.timeline-item.right .timeline-dot {
  left: -25px;
}

.dot-glow {
  position: absolute;
  width: 100%;
  height: 100%;
  background: var(--accent-primary);
  border-radius: 50%;
  filter: blur(10px);
  opacity: 0.3;
  animation: dotPulse 2s ease-in-out infinite;
  z-index: -1;
}

@keyframes dotPulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.2); opacity: 0.5; }
}

.timeline-dot i {
  color: var(--accent-primary);
  font-size: 1.2rem;
}

.timeline-content {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.timeline-content:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  border-color: var(--accent-primary);
}

.timeline-date {
  color: var(--accent-primary);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
}

.timeline-title {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-display);
}

.timeline-description {
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-md);
  font-size: 0.95rem;
  line-height: 1.7;
}

.timeline-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.timeline-item.left .timeline-tags {
  justify-content: flex-end;
}

.timeline-tag {
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent-primary);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  border: 1px solid var(--border-color);
}

/* ==============================
   文章区域样式
   ============================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.article-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  border-color: var(--accent-primary);
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.article-tag {
  background: rgba(138, 43, 226, 0.2);
  color: var(--accent-secondary);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  border: 1px solid rgba(138, 43, 226, 0.3);
}

.article-title {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
  font-family: var(--font-display);
}

.article-title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.article-title a:hover {
  color: var(--accent-primary);
}

.article-subtitle {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  font-size: 0.95rem;
}

.article-excerpt {
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
  line-height: 1.7;
}

.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

.read-time {
  color: var(--text-tertiary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.read-time i {
  color: var(--accent-primary);
}

.read-article {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-primary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: gap var(--transition-fast);
}

.read-article:hover {
  gap: 0.8rem;
}

.view-all-articles {
  text-align: center;
}

/* ==============================
   摄影作品区域
   ============================== */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.photo-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid var(--border-color);
}

.photo-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  border-color: var(--accent-primary);
}

.photo-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(10, 14, 23, 0.9), transparent);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-lg);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.photo-item:hover .photo-overlay {
  opacity: 1;
}

.photo-info h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--accent-primary);
  font-family: var(--font-display);
}

.photo-location {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.view-more-photos {
  text-align: center;
}

/* ==============================
   联系区域样式
   ============================== */
.contact-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
}

.contact-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  font-family: var(--font-display);
}

.contact-description {
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-lg);
  font-size: 1.1rem;
  line-height: 1.8;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(0, 255, 136, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.contact-method:hover {
  background: rgba(0, 255, 136, 0.1);
  border-color: var(--accent-primary);
  transform: translateX(8px);
}

.contact-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--bg-primary);
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}

.contact-details {
  display: flex;
  flex-direction: column;
}

.contact-label {
  color: var(--text-tertiary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.2rem;
}

.contact-value {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
}

/* 二维码区域 */
.contact-qrcode {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.qrcode-container {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.qrcode-scan-effect {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom,
    transparent 0%,
    rgba(0, 255, 136, 0.1) 50%,
    transparent 100%);
  animation: scanQR 2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes scanQR {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

.qrcode-placeholder {
  text-align: center;
  color: var(--text-tertiary);
}

.qrcode-placeholder i {
  font-size: 4rem;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-md);
  opacity: 0.6;
}

.qrcode-note {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  display: block;
  margin-top: var(--spacing-xs);
}

.qrcode-info p {
  color: var(--text-tertiary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ==============================
   终端风格页脚
   ============================== */
.cyber-footer {
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-2xl);
}

.footer-terminal {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: var(--font-mono);
}

.terminal-header {
  background: var(--bg-tertiary);
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.terminal-button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-button.close { background: #ff5f57; }
.terminal-button.minimize { background: #ffbd2e; }
.terminal-button.maximize { background: #28ca42; }

.terminal-title {
  margin-left: var(--spacing-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.terminal-body {
  padding: var(--spacing-md);
  background: #0d1117;
  font-size: 0.9rem;
  line-height: 1.8;
}

.terminal-line {
  margin-bottom: 0.3rem;
}

.terminal-prompt {
  color: var(--accent-primary);
  font-weight: 600;
  margin-right: 0.5rem;
}

.terminal-command {
  color: var(--text-primary);
}

.terminal-output {
  color: var(--text-secondary);
}

.live-uptime,
.visitor-count {
  color: var(--accent-primary);
  font-weight: 600;
}

.terminal-cursor {
  animation: blink 1s step-end infinite;
  color: var(--accent-primary);
  font-weight: bold;
}

.footer-bottom {
  text-align: center;
}

.copyright {
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
}

.footer-links {
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

.footer-links a {
  color: var(--text-tertiary);
  text-decoration: none;
  margin: 0 var(--spacing-xs);
  transition: color var(--transition-fast);
}

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

/* ==============================
   响应式适配
   ============================== */
@media (max-width: 1024px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 70px !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    text-align: left !important;
  }

  .timeline-item .timeline-dot {
    left: 0 !important;
  }

  .timeline-tags {
    justify-content: flex-start !important;
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .qrcode-container {
    max-width: 300px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }

  .hero-stats {
    justify-content: center;
  }

  .cta-buttons {
    justify-content: center;
  }

  .hologram-container {
    width: 250px;
    height: 250px;
  }

  .section-title {
    font-size: 2rem;
  }

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

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

  .title-rotator {
    height: auto;
    min-height: 2rem;
  }

  .title-item {
    font-size: 1.2rem;
  }

  .contact-container {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .hologram-container {
    width: 200px;
    height: 200px;
  }

  .glitch-name {
    font-size: 2.5rem;
  }

  .hero-stats {
    gap: var(--spacing-lg);
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 250px;
    justify-content: center;
  }

  .contact-methods {
    gap: var(--spacing-sm);
  }

  .contact-method {
    padding: var(--spacing-sm);
  }

  .contact-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

/* ==============================
   滚动动画
   ============================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-gradient);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #00e07a 0%, #00d5df 100%);
}

/* 选择文本样式 */
::selection {
  background: rgba(0, 255, 136, 0.3);
  color: var(--text-primary);
}

::-moz-selection {
  background: rgba(0, 255, 136, 0.3);
  color: var(--text-primary);
}

/* 减少动画的用户偏好 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}