/* ========================================
   施志健 · 电商运营 / 直播中控 求职作品集
   风格：深色直播数据中控台
   ======================================== */

:root {
  /* 主色 - 琥珀金（直播行业数据色） */
  --accent: #FFB547;
  --accent-light: #FFD37A;
  --accent-dark: #E89A22;
  --accent-glow: rgba(255, 181, 71, 0.35);

  /* 次强调 - 青色（科技/数据感） */
  --cyan: #4DD0E1;
  --cyan-glow: rgba(77, 208, 225, 0.25);

  /* 深色基底 */
  --bg-primary: #0B0D12;
  --bg-secondary: #12161F;
  --bg-tertiary: #1A1F2E;
  --bg-card: rgba(26, 31, 46, 0.7);
  --bg-card-hover: rgba(35, 42, 62, 0.85);

  /* 边框 */
  --border-color: rgba(255, 181, 71, 0.12);
  --border-strong: rgba(255, 181, 71, 0.25);

  /* 文字 */
  --text-primary: #F5F0E6;
  --text-secondary: rgba(245, 240, 230, 0.72);
  --text-tertiary: rgba(245, 240, 230, 0.48);
  --text-muted: rgba(245, 240, 230, 0.32);

  /* 字体 */
  --font-display: 'Noto Serif SC', 'Noto Sans SC', serif;
  --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;

  /* 其他 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--accent-glow);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.mono {
  font-family: var(--font-mono);
  font-weight: 500;
}

.accent {
  color: var(--accent);
}

/* ========================================
   导航
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  background: rgba(11, 13, 18, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.nav.scrolled {
  padding: 12px 0;
  border-bottom-color: var(--border-color);
  background: rgba(11, 13, 18, 0.9);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg-primary);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.5px;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 12px var(--accent-glow);
}

.brand-name {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  position: relative;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

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

.nav-links a:hover::after {
  width: 100%;
}

/* ========================================
   HERO 大屏
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 40px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: saturate(0.7) contrast(1.1);
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(255, 181, 71, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(77, 208, 225, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, rgba(11, 13, 18, 0.3) 0%, var(--bg-primary) 100%);
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 181, 71, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 181, 71, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(255, 181, 71, 0.1);
  border: 1px solid rgba(255, 181, 71, 0.25);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-light);
  letter-spacing: 1px;
  margin-bottom: 28px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 84px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.title-line {
  display: block;
}

.title-line.accent {
  background: linear-gradient(135deg, var(--accent-light), var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 56px;
  line-height: 1.8;
}

/* Hero 数据看板 */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 100%;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 20px var(--accent-glow);
}

.stat-label {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.stat-value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.stat-value .num {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}

.stat-value .unit {
  font-size: 16px;
  color: var(--accent-light);
  font-weight: 600;
}

.stat-foot {
  font-size: 12px;
  color: var(--text-muted);
}

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 2px;
  z-index: 1;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ========================================
   通用 Section
   ======================================== */
.section {
  padding: 120px 40px;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 16px;
}

.section-index {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  letter-spacing: -0.5px;
}

.section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-strong), transparent);
  min-width: 60px;
}

.section-subtitle {
  color: var(--text-tertiary);
  font-size: 15px;
  margin-bottom: 56px;
  padding-left: 0;
}

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

.about-lead {
  font-size: 20px;
  line-height: 1.9;
  color: var(--text-primary);
  margin-bottom: 24px;
  font-weight: 400;
}

.about-lead strong {
  color: var(--accent);
  font-weight: 700;
}

.about-desc {
  font-size: 15px;
  line-height: 2;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: rgba(255, 181, 71, 0.08);
  border: 1px solid rgba(255, 181, 71, 0.18);
  border-radius: 100px;
  font-size: 13px;
  color: var(--accent-light);
  font-weight: 500;
  transition: all var(--transition);
}

.tag:hover {
  background: rgba(255, 181, 71, 0.15);
  border-color: var(--border-strong);
}

.tag.gold {
  background: linear-gradient(135deg, rgba(255, 181, 71, 0.2), rgba(255, 181, 71, 0.05));
  border-color: var(--accent);
  color: var(--accent-light);
  font-weight: 600;
}

/* 信息卡片 */
.about-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.avatar-wrap {
  position: relative;
  padding: 36px 28px 20px;
  display: flex;
  justify-content: center;
}

.avatar-img {
  width: 120px;
  height: 150px;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-strong);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 0 0 4px var(--bg-secondary), 0 0 0 5px var(--accent);
  display: block;
}

.avatar-name-block {
  text-align: center;
  padding: 0 28px 24px;
  border-bottom: 1px solid var(--border-color);
}

.avatar-name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: 2px;
}

.avatar-role {
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 1px;
}

.info-card-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 28px;
  background: rgba(255, 181, 71, 0.05);
  border-bottom: 1px solid var(--border-color);
}

.info-card-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
}

.info-card-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
}

.info-list {
  padding: 12px 0;
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px;
  border-bottom: 1px solid rgba(255, 181, 71, 0.05);
  font-size: 14px;
}

.info-item:last-child {
  border-bottom: none;
}

.info-label {
  color: var(--text-tertiary);
  font-size: 13px;
}

.info-value {
  color: var(--text-primary);
  font-weight: 500;
  text-align: right;
}

.info-value.highlight {
  color: var(--accent);
  font-weight: 600;
}

/* ========================================
   核心业绩数据
   ======================================== */
.stats-section {
  padding-top: 80px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.metric-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.metric-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 30px var(--accent-glow);
}

.metric-card:hover::after {
  opacity: 0.6;
}

.metric-card.large {
  grid-column: span 2;
  grid-row: span 1;
  padding: 40px 36px;
}

.metric-card.large.primary {
  background:
    radial-gradient(ellipse at top right, rgba(255, 181, 71, 0.15), transparent 60%),
    var(--bg-card);
  border-color: var(--border-strong);
}

.metric-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
  background: rgba(255, 181, 71, 0.1);
  border-radius: var(--radius-sm);
}

.metric-icon svg {
  width: 24px;
  height: 24px;
}

.metric-card.large .metric-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 24px;
}

.metric-card.large .metric-icon svg {
  width: 30px;
  height: 30px;
}

.metric-number {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 10px;
}

.metric-num {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -1px;
}

.metric-card.large .metric-num {
  font-size: clamp(56px, 6vw, 76px);
}

.metric-unit {
  font-size: 18px;
  font-weight: 600;
  color: var(--accent-light);
}

.metric-label {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.metric-card.large .metric-label {
  font-size: 18px;
  margin-bottom: 8px;
}

.metric-sub {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.6;
}

.metric-card.large .metric-sub {
  font-size: 14px;
}

/* ========================================
   实习经历 - 时间线
   ======================================== */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 12px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--border-color), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 60px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -40px;
  top: 28px;
  width: 24px;
  height: 24px;
  background: var(--bg-primary);
  border: 3px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 16px var(--accent-glow);
  z-index: 1;
}

.timeline-content {
  width: 100%;
}

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

.exp-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.exp-card.featured {
  border-color: var(--border-strong);
  background:
    radial-gradient(ellipse at top left, rgba(255, 181, 71, 0.08), transparent 50%),
    var(--bg-card);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 32px 36px 20px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 16px;
}

.exp-company-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.exp-company {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.exp-role {
  font-size: 15px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.exp-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-tertiary);
  padding: 6px 14px;
  background: rgba(255, 181, 71, 0.06);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  white-space: nowrap;
}

.exp-tagline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 36px;
  border-bottom: 1px solid var(--border-color);
}

.exp-body {
  padding: 28px 36px 36px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 36px;
  align-items: start;
}

.exp-body.reverse {
  grid-template-columns: 300px 1fr;
}

.exp-body.reverse .exp-image-wrap {
  order: 2;
}

.exp-image-wrap {
  position: relative;
}

.exp-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.exp-image-caption {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 10px;
  text-align: center;
  font-style: italic;
}

.exp-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.exp-list li {
  display: flex;
  gap: 14px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-secondary);
}

.exp-list .bullet {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 11px;
  box-shadow: 0 0 8px var(--accent);
}

.exp-list strong {
  color: var(--text-primary);
  font-weight: 600;
}

.exp-list strong.accent {
  color: var(--accent);
}

/* ========================================
   校内实践
   ======================================== */
.practice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.practice-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  position: relative;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.practice-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.practice-card.highlight {
  background:
    radial-gradient(ellipse at top right, rgba(255, 181, 71, 0.08), transparent 50%),
    var(--bg-card);
  border-color: rgba(255, 181, 71, 0.2);
}

.practice-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.practice-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.practice-desc {
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.practice-desc strong {
  color: var(--accent);
  font-weight: 600;
}

.practice-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--text-tertiary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 4px;
}

/* ========================================
   教育与技能
   ======================================== */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  height: fit-content;
}

.edu-header {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.edu-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 181, 71, 0.2), rgba(255, 181, 71, 0.05));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--accent);
  flex-shrink: 0;
}

.edu-icon svg {
  width: 28px;
  height: 28px;
}

.edu-school {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}

.edu-meta {
  font-size: 13px;
  color: var(--text-tertiary);
}

.edu-courses {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.course-label {
  font-size: 13px;
  color: var(--text-tertiary);
  letter-spacing: 0.5px;
}

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

.course-tag {
  padding: 6px 14px;
  background: rgba(77, 208, 225, 0.08);
  border: 1px solid rgba(77, 208, 225, 0.2);
  border-radius: 6px;
  font-size: 13px;
  color: var(--cyan);
}

.skills-detail {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.skill-group {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.skill-group-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.skill-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 181, 71, 0.1);
  border-radius: 8px;
  color: var(--accent);
}

.skill-icon svg {
  width: 18px;
  height: 18px;
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.skill-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent), var(--accent-light));
  border-radius: 3px;
  transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* 证书列表 */
.cert-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.cert-badge {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg-primary);
  font-weight: 900;
  font-size: 12px;
  border-radius: 6px;
  flex-shrink: 0;
}

/* ========================================
   联系方式
   ======================================== */
.contact-section {
  padding-bottom: 80px;
}

.contact-inner {
  background:
    radial-gradient(ellipse at top right, rgba(255, 181, 71, 0.12), transparent 60%),
    var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.contact-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.contact-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 2;
}

.contact-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
}

.contact-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.contact-item:first-child {
  padding-top: 0;
}

.contact-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 181, 71, 0.1);
  border-radius: var(--radius-sm);
  color: var(--accent);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
}

.contact-item > div:last-child {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-label {
  font-size: 12px;
  color: var(--text-tertiary);
  letter-spacing: 0.5px;
}

.contact-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.cta-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg-primary);
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: 40px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  border-top: 1px solid var(--border-color);
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 1024px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-card.large {
    grid-column: span 2;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .exp-body,
  .exp-body.reverse {
    grid-template-columns: 1fr;
  }

  .exp-image-wrap {
    order: -1;
  }

  .practice-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 80px 20px;
  }

  .nav-inner {
    padding: 0 20px;
  }

  .hero {
    padding: 100px 20px 60px;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-card {
    padding: 18px 20px;
  }

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

  .metric-card.large {
    grid-column: span 1;
  }

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

  .timeline {
    padding-left: 28px;
  }

  .timeline-dot {
    left: -28px;
  }

  .exp-header {
    padding: 24px 24px 16px;
    flex-direction: column;
    align-items: flex-start;
  }

  .exp-tagline {
    padding: 12px 24px;
  }

  .exp-body {
    padding: 20px 24px 28px;
  }

  .edu-card {
    padding: 28px 24px;
  }

  .skill-group {
    padding: 24px;
  }

  .contact-inner {
    padding: 32px 24px;
  }
}

/* ========================================
   滚动动画
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================
   编辑按钮
   ======================================== */
.edit-btn {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255, 181, 71, 0.12);
  border: 1px solid rgba(255, 181, 71, 0.3);
  border-radius: 6px;
  color: var(--accent-light);
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
}

.edit-btn:hover {
  background: rgba(255, 181, 71, 0.2);
  border-color: var(--accent);
  color: var(--accent);
}

.export-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(77, 208, 225, 0.1);
  border: 1px solid rgba(77, 208, 225, 0.25);
  border-radius: 6px;
  color: #80deea;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.export-btn:hover {
  background: rgba(77, 208, 225, 0.18);
  border-color: var(--cyan);
  color: var(--cyan);
}

.export-btn.secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-color);
  color: var(--text-tertiary);
}

.export-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-strong);
  color: var(--text-secondary);
}

/* ========================================
   编辑器模态框
   ======================================== */
.editor-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.editor-modal.active {
  display: flex;
}

.editor-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: fadeIn 0.2s ease;
}

.editor-dialog {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px var(--accent-glow);
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(255, 181, 71, 0.04);
  flex-shrink: 0;
}

.editor-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.editor-title-icon {
  color: var(--accent);
  font-size: 18px;
}

.editor-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.editor-close:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border-color: var(--border-color);
}

/* Tabs */
.editor-tabs {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  flex-shrink: 0;
  background: var(--bg-primary);
}

.editor-tab {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.editor-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.editor-tab.active {
  color: var(--accent);
  background: rgba(255, 181, 71, 0.1);
  border-color: rgba(255, 181, 71, 0.25);
}

.editor-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
}

.editor-panel {
  display: none;
}

.editor-panel.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

.form-row {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row.two-col {
  flex-direction: row;
  gap: 16px;
}

.form-row.two-col > div {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: 0.3px;
}

.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="number"],
.form-row textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: all var(--transition);
  outline: none;
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-row textarea {
  resize: vertical;
  min-height: 60px;
  line-height: 1.6;
}

.form-row.checkbox-row {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.form-row.checkbox-row label {
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
}

.form-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border-color);
}

.form-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin: 24px 0 16px;
  padding-left: 10px;
  border-left: 3px solid var(--accent);
}

.form-section-title:first-child {
  margin-top: 0;
}

/* Repeat editor */
.repeat-editor {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 16px;
}

.repeat-item {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

.repeat-item:hover {
  border-color: var(--border-strong);
}

.repeat-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(255, 181, 71, 0.04);
  border-bottom: 1px solid var(--border-color);
}

.repeat-item-num {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.5px;
}

.repeat-item-actions {
  display: flex;
  gap: 4px;
}

.icon-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-tertiary);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  line-height: 1;
}

.icon-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
}

.icon-btn.remove:hover {
  color: #ff6b6b;
  border-color: rgba(255, 107, 107, 0.4);
}

.repeat-item-body {
  padding: 16px;
}

.repeat-item-body .form-row {
  margin-bottom: 12px;
}

.repeat-item-body .form-row:last-child {
  margin-bottom: 0;
}

.repeat-editor.compact .repeat-item-body {
  padding: 12px 16px;
}

.add-item-btn {
  padding: 12px;
  background: rgba(255, 181, 71, 0.06);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
}

.add-item-btn:hover {
  background: rgba(255, 181, 71, 0.12);
  border-style: solid;
  color: var(--accent);
}

/* Footer */
.editor-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
  flex-shrink: 0;
  gap: 12px;
}

.footer-right {
  display: flex;
  gap: 10px;
}

.btn-reset,
.btn-cancel,
.btn-save {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.btn-reset {
  background: transparent;
  border-color: rgba(255, 107, 107, 0.3);
  color: #ff8a8a;
}

.btn-reset:hover {
  background: rgba(255, 107, 107, 0.1);
  border-color: #ff6b6b;
  color: #ff6b6b;
}

.btn-cancel {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.btn-cancel:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.btn-save {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg-primary);
  box-shadow: 0 2px 12px var(--accent-glow);
}

.btn-save:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

/* ========================================
   Toast 提示
   ======================================== */
.toast-notice {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 20px var(--accent-glow);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notice.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 900;
}

.toast-success .toast-icon {
  background: rgba(76, 175, 80, 0.15);
  color: #66bb6a;
}

.toast-error .toast-icon {
  background: rgba(255, 107, 107, 0.15);
  color: #ff6b6b;
}

.toast-info .toast-icon {
  background: rgba(255, 181, 71, 0.15);
  color: var(--accent);
}

.btn-save:disabled,
.btn-reset:disabled {
  cursor: wait;
  opacity: 0.65;
  transform: none;
}

/* 响应式 */
@media (max-width: 640px) {
  .editor-dialog {
    max-height: 95vh;
    max-width: 100%;
  }

  .editor-header,
  .editor-footer {
    padding: 16px 20px;
  }

  .editor-body {
    padding: 20px;
  }

  .form-row.two-col {
    flex-direction: column;
    gap: 12px;
  }

  .editor-footer {
    flex-direction: column-reverse;
    align-items: stretch;
  }

  .footer-right {
    justify-content: flex-end;
  }
}