/* ==================== RESET & BASE ==================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --purple: #7C3AED;
  --pink: #EC4899;
  --blue: #3B82F6;
  --cyan: #06B6D4;
  --yellow: #F59E0B;
  --text-dark: #0F172A;
  --text: #1E293B;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --white: #ffffff;
  --bg: #F8FAFF;
  --card-bg: rgba(255,255,255,0.85);
  --card-border: rgba(124,58,237,0.08);
  --card-shadow: 0 4px 24px rgba(15,23,42,0.04);
  --card-shadow-hover: 0 10px 40px rgba(124,58,237,0.12);
  --gradient-btn: linear-gradient(135deg,#7C3AED 0%,#EC4899 100%);
  --gradient-title: linear-gradient(135deg,#7C3AED 0%,#3B82F6 100%);
  --gradient-line: linear-gradient(90deg,#EC4899 0%,#7C3AED 50%,#3B82F6 100%);
  --radius-sm: 12px;
  --radius: 18px;
  --radius-lg: 24px;
  --ease: cubic-bezier(0.4,0,0.2,1);
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC','Poppins',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;
  background: var(--bg);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; }

/* ==================== 背景装饰：多彩渐变 + 网格 + 毛玻璃 + 鼠标视差 ==================== */
.bg-decoration {
  position: fixed; inset: 0; z-index: -2;
  pointer-events: none; overflow: hidden;
  background:
    radial-gradient(ellipse at top left, rgba(236,72,153,0.08), transparent 55%),
    radial-gradient(ellipse at top right, rgba(124,58,237,0.10), transparent 55%),
    radial-gradient(ellipse at 30% 80%, rgba(245,158,11,0.08), transparent 60%),
    radial-gradient(ellipse at 80% 70%, rgba(6,182,212,0.10), transparent 55%),
    linear-gradient(135deg, #FDF4FF 0%, #EFF6FF 25%, #ECFEFF 50%, #FEF3C7 75%, #FFF1F2 100%);
}
.bg-decoration::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(124,58,237,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,0.055) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 85%);
  opacity: 0.9;
}
.bg-decoration::after {
  content: '';
  position: absolute; inset: 0;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255,255,255,0.15);
  pointer-events: none;
}
.blob {
  position: absolute; border-radius: 50%;
  filter: blur(90px); opacity: 0.55;
  will-change: transform;
  transform: translate(0, 0);
  animation: float 22s ease-in-out infinite;
}
.blob-1 { width: 520px; height: 520px; background: radial-gradient(circle at 30% 30%, #F472B6, #EC4899 60%, #DB2777); top: -140px; left: -120px; animation-delay: 0s; }
.blob-2 { width: 580px; height: 580px; background: radial-gradient(circle at 40% 40%, #818CF8, #6366F1 55%, #4F46E5); top: 5%; right: -180px; animation-delay: -6s; opacity: 0.5; }
.blob-3 { width: 480px; height: 480px; background: radial-gradient(circle at 40% 40%, #FDE68A, #F59E0B 55%, #D97706); top: 50%; left: 4%; animation-delay: -12s; opacity: 0.45; }
.blob-4 { width: 560px; height: 560px; background: radial-gradient(circle at 40% 40%, #A78BFA, #7C3AED 55%, #6D28D9); top: 95%; right: -10%; animation-delay: -8s; opacity: 0.4; }
.blob-5 { width: 460px; height: 460px; background: radial-gradient(circle at 40% 40%, #67E8F9, #06B6D4 55%, #0891B2); top: 150%; left: -80px; animation-delay: -14s; opacity: 0.4; }
@keyframes float {
  0%,100% { transform: translate(var(--px,0px), var(--py,0px)) scale(1); }
  50% { transform: translate(calc(var(--px,0px) + 30px), calc(var(--py,0px) - 40px)) scale(1.05); }
}

/* ==================== 粒子画布 (鼠标彩色粒子) ==================== */
#particles-canvas {
  position: fixed; inset: 0; z-index: -1;
  pointer-events: none;
}

/* ==================== Reveal 滚动渐显 ==================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* 更精细的毛玻璃卡片 */
.glass {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.8);
  box-shadow: 0 10px 40px rgba(124,58,237,0.10);
}

/* ==================== 作品筛选按钮（5 分类） ==================== */
.works-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
}
.filter-btn {
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255,255,255,0.6);
  border: 1.5px solid rgba(124,58,237,0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  white-space: nowrap;
}
.filter-btn:hover {
  color: var(--purple);
  border-color: rgba(124,58,237,0.35);
  background: rgba(255,255,255,0.9);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(124,58,237,0.12);
}
.filter-btn.active {
  color: #fff;
  background: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
  border-color: transparent;
  box-shadow: 0 8px 26px rgba(124,58,237,0.28);
  transform: translateY(-2px);
}
/* 筛选隐藏过渡 */
.cat-card {
  transition: opacity 0.35s ease, transform 0.35s ease, box-shadow 0.3s;
}
.cat-card.hide {
  opacity: 0;
  transform: scale(0.9) translateY(10px);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

/* ==================== 汉堡菜单（移动端） ==================== */
.mobile-menu-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.mobile-menu-overlay.show {
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu {
  position: fixed;
  top: 72px; left: 16px; right: 16px;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.9);
  border-radius: 20px;
  padding: 14px;
  box-shadow: 0 20px 60px rgba(15,23,42,0.18);
  transform: translateY(-20px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.mobile-menu.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu a {
  display: block;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: all 0.2s;
}
.mobile-menu a:hover,
.mobile-menu a.active {
  background: var(--gradient-btn);
  color: #fff;
}

/* ==================== 返回顶部悬浮按钮 ==================== */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px; height: 48px;
  border-radius: 16px;
  background: var(--gradient-btn);
  color: #fff;
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px rgba(124,58,237,0.35);
  z-index: 90;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  border: none;
}
.back-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 38px rgba(236,72,153,0.45);
}
.back-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ==================== NAVBAR ==================== */
.navbar {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  width: calc(100% - 60px); max-width: 1180px;
  z-index: 100;
  padding: 10px 22px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(124,58,237,0.08);
  border-radius: 999px;
  box-shadow: 0 6px 24px rgba(15,23,42,0.04);
  transition: all 0.3s var(--ease);
}
.navbar.scrolled {
  top: 0; width: 100%; max-width: none;
  border-radius: 0; border-left: none; border-right: none; border-top: none;
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
}
.nav-logo {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 15px; color: var(--text-dark);
}
.logo-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--gradient-btn);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}
.gradient-text {
  background: var(--gradient-title);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav-menu {
  display: flex; align-items: center; gap: 6px;
}
.nav-link {
  padding: 8px 16px;
  font-size: 13.5px; color: var(--text-muted);
  border-radius: 999px;
  font-weight: 500;
  transition: all 0.2s;
}
.nav-link:hover { color: var(--purple); background: rgba(124,58,237,0.06); }
.nav-link.active {
  background: var(--gradient-btn);
  color: #fff;
  box-shadow: 0 4px 14px rgba(124,58,237,0.25);
}
.nav-actions { display: flex; align-items: center; gap: 10px; }
.btn-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px;
  background: var(--gradient-btn);
  color: #fff;
  border-radius: 999px;
  font-size: 13px; font-weight: 600;
  box-shadow: 0 4px 16px rgba(124,58,237,0.25);
  transition: all 0.2s;
}
.btn-cta:hover { transform: translateY(-1.5px); box-shadow: 0 8px 22px rgba(236,72,153,0.3); }
.hamburger {
  display: none; flex-direction: column; gap: 4px; padding: 8px;
}
.hamburger span {
  display: block; width: 20px; height: 2px; background: var(--text-dark); border-radius: 2px;
  transition: all 0.2s;
}

/* ==================== HERO（图3风格：居中简洁） ==================== */
.hero {
  min-height: 100vh;
  padding: 140px 24px 80px;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  position: relative;
}
.hero-container { width: 100%; max-width: 820px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(124,58,237,0.1);
  border-radius: 999px;
  font-size: 12.5px; color: var(--text-muted);
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.hb-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 0 3px rgba(16,185,129,0.15);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}
.hero-title {
  font-size: clamp(36px, 6vw, 62px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-title .sub { display: block; font-size: 0.72em; font-weight: 800; margin-top: 6px; }
.hero-title .sub .gradient-text {
  background: linear-gradient(135deg,#7C3AED 0%,#3B82F6 60%,#06B6D4 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
  font-size: 15px; color: var(--text-muted);
  max-width: 560px; margin: 0 auto 32px;
  line-height: 1.8;
}
.hero-actions {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; flex-wrap: wrap;
  margin-bottom: 56px;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 14px; font-weight: 600;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--gradient-btn);
  color: #fff;
  box-shadow: 0 6px 20px rgba(124,58,237,0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(236,72,153,0.32); }
.btn-outline {
  background: #fff;
  color: var(--text-dark);
  border: 1px solid rgba(124,58,237,0.12);
  box-shadow: var(--card-shadow);
}
.btn-outline:hover { border-color: var(--purple); color: var(--purple); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 640px;
  margin: 0 auto;
}
.stat-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px 12px;
  box-shadow: var(--card-shadow);
  transition: all 0.3s;
}
.stat-item:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.stat-num {
  font-size: 30px; font-weight: 900;
  background: var(--gradient-title);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label { font-size: 12px; color: var(--text-muted); }
.stat-divider { display: none; }

.hero-scroll {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-light); font-size: 11px; letter-spacing: 0.15em;
  animation: bob 2.2s ease-in-out infinite;
}
@keyframes bob {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}
.scroll-mouse {
  width: 22px; height: 34px;
  border: 2px solid var(--text-light);
  border-radius: 12px;
  display: flex; justify-content: center;
  padding-top: 5px;
}
.scroll-mouse span {
  width: 3px; height: 6px; border-radius: 2px;
  background: var(--text-light);
  animation: wheel 1.6s ease-in-out infinite;
}
@keyframes wheel {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(10px); }
}

/* ==================== SECTION 通用 ==================== */
.section { padding: 100px 24px; }
.section.alt { background: rgba(124,58,237,0.02); }
.section-container { max-width: 1120px; margin: 0 auto; }
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-num {
  display: inline-block;
  font-size: 12px; letter-spacing: 0.2em;
  color: var(--text-light);
  font-weight: 600;
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.section-title .gradient-text {
  background: var(--gradient-title);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section-bar {
  width: 60px; height: 4px;
  background: var(--gradient-line);
  border-radius: 4px;
  margin: 0 auto 14px;
}
.section-desc {
  font-size: 13px; color: var(--text-light);
  letter-spacing: 0.08em;
}

/* ==================== ABOUT 关于我（图4风格） ==================== */
.about-wrap {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 28px;
  align-items: start;
}
/* 左边主卡片 */
.about-left { display: flex; flex-direction: column; gap: 20px; }
.about-photo-frame {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--card-shadow);
  transition: all 0.3s;
}
.about-photo-frame:hover { box-shadow: var(--card-shadow-hover); }
.about-photo { display: flex; flex-direction: column; align-items: center; }
.about-avatar {
  width: 96px; height: 96px;
  border-radius: 50%;
  background: linear-gradient(135deg,#F3E8FF,#E0E7FF);
  display: flex; align-items: center; justify-content: center;
  font-size: 48px;
  border: 3px solid #fff;
  box-shadow: 0 0 0 4px rgba(124,58,237,0.1);
  margin-bottom: 16px;
}
.about-photo-info { text-align: center; }
.about-photo-info b { display: block; font-size: 22px; font-weight: 800; margin-bottom: 2px; }
.about-photo-info small {
  font-size: 12.5px; color: var(--text-muted); letter-spacing: 0.1em;
}
.about-photo-tags {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 6px;
  margin-top: 16px;
}
.apt {
  padding: 5px 12px;
  background: rgba(124,58,237,0.06);
  color: var(--purple);
  border-radius: 999px;
  font-size: 12px; font-weight: 500;
}
.apt.y { background: rgba(245,158,11,0.08); color: var(--yellow); }
.apt.b { background: rgba(59,130,246,0.08); color: var(--blue); }
.apt.c { background: rgba(6,182,212,0.08); color: var(--cyan); }
.apt.p { background: rgba(236,72,153,0.08); color: var(--pink); }

.about-meta {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 12px; margin-top: 20px; padding-top: 20px;
  border-top: 1px dashed rgba(124,58,237,0.12);
  font-size: 13px;
}
.about-meta-item { display: flex; align-items: center; gap: 8px; color: var(--text-muted); }
.about-meta-item b { color: var(--text); font-weight: 600; }

.about-bio {
  margin-top: 20px;
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.85;
  background: rgba(124,58,237,0.03);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  border: 1px solid rgba(124,58,237,0.05);
}

/* 右边两小卡片 */
.about-right { display: flex; flex-direction: column; gap: 20px; }
.right-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--card-shadow);
  transition: all 0.3s;
}
.right-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.rc-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 18px;
}
.rc-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg,#F3E8FF,#E0E7FF);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.rc-head > div { flex: 1; }
.rc-title { font-size: 16px; font-weight: 700; }
.rc-sub { font-size: 11.5px; color: var(--text-light); letter-spacing: 0.05em; }

.edu-date {
  display: inline-block;
  font-size: 11px; font-weight: 600;
  padding: 3px 10px; border-radius: 999px;
  background: rgba(236,72,153,0.08); color: var(--pink);
  margin-bottom: 8px;
}
.edu-school { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.edu-major { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; }
.edu-softwares {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding-top: 14px;
  border-top: 1px dashed rgba(124,58,237,0.1);
}
.edu-softwares span {
  padding: 4px 10px;
  background: rgba(59,130,246,0.06);
  color: var(--blue);
  font-size: 11.5px; font-weight: 500;
  border-radius: 6px;
}

.adv-list { display: flex; flex-direction: column; gap: 10px; }
.adv-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 12px 14px;
  background: rgba(124,58,237,0.03);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(124,58,237,0.04);
  transition: all 0.2s;
}
.adv-item:hover { background: rgba(124,58,237,0.06); }
.adv-num {
  flex-shrink: 0;
  width: 24px; height: 24px; border-radius: 7px;
  background: var(--gradient-btn);
  color: #fff;
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.adv-item b { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 2px; }
.adv-item span { font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* 旧关于我卡片隐藏（兼容） */
.about-info-cards { display: none; }
.about-hello, .about-hi, .about-desc, .about-tools { display: none; }

/* ==================== SKILLS 专业技能 ==================== */
.skill-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 50px;
}
.skill-cat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--card-shadow);
  transition: all 0.3s;
}
.skill-cat-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.scc-head {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px dashed rgba(124,58,237,0.1);
  margin-bottom: 18px;
}
.scc-icon {
  width: 46px; height: 46px; border-radius: 12px;
  background: linear-gradient(135deg,#F3E8FF,#E0E7FF);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.scc-1 .scc-icon { background: linear-gradient(135deg,#FCE7F3,#F3E8FF); }
.scc-2 .scc-icon { background: linear-gradient(135deg,#FEF3C7,#F3E8FF); }
.scc-3 .scc-icon { background: linear-gradient(135deg,#CFFAFE,#E0E7FF); }
.scc-4 .scc-icon { background: linear-gradient(135deg,#FFE4E6,#FEF3C7); }
.scc-head h4 { font-size: 16px; font-weight: 700; margin-bottom: 2px; }
.scc-head small { font-size: 12px; color: var(--text-muted); }
.scc-body { display: flex; flex-direction: column; gap: 14px; }
.skill-row {
  display: grid;
  grid-template-columns: 130px 1fr 42px;
  gap: 12px;
  align-items: center;
  font-size: 13px;
}
.sw-label { color: var(--text); font-weight: 500; }
.sw-bar {
  height: 8px;
  background: rgba(124,58,237,0.06);
  border-radius: 999px;
  overflow: hidden;
}
.sw-fill {
  height: 100%;
  background: var(--gradient-btn);
  border-radius: 999px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.16,1,0.3,1);
}
.sw-percent { text-align: right; font-size: 12px; font-weight: 700; color: var(--purple); }
.scc-foot {
  margin-top: 18px; padding-top: 16px;
  border-top: 1px dashed rgba(124,58,237,0.08);
  display: flex; flex-wrap: wrap; gap: 8px;
}
.scc-tag {
  font-size: 11px; font-weight: 600;
  padding: 4px 10px; border-radius: 999px;
  background: rgba(245,158,11,0.08); color: var(--yellow);
}

.skill-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.sd-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--card-shadow);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.sd-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.sd-num {
  position: absolute; top: 14px; right: 18px;
  font-size: 32px; font-weight: 900;
  color: rgba(124,58,237,0.06);
  line-height: 1;
}
.sd-icon { font-size: 26px; margin-bottom: 12px; }
.sd-card h5 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.sd-card p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ==================== WORKS 作品目录 9宫格 ==================== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.cat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
}
.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
}
.cat-cover {
  height: 180px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.cover-1 { background: linear-gradient(135deg,#FCE7F3 0%,#F3E8FF 100%); }
.cover-2 { background: linear-gradient(135deg,#E0E7FF 0%,#CFFAFE 100%); }
.cover-3 { background: linear-gradient(135deg,#FEF3C7 0%,#FCE7F3 100%); }
.cover-4 { background: linear-gradient(135deg,#F3E8FF 0%,#FFE4E6 100%); }
.cover-5 { background: linear-gradient(135deg,#CFFAFE 0%,#E0E7FF 100%); }
.cover-6 { background: linear-gradient(135deg,#FFE4E6 0%,#FEF3C7 100%); }
.cover-7 { background: linear-gradient(135deg,#FEF9C3 0%,#DCFCE7 100%); }
.cover-8 { background: linear-gradient(135deg,#FEE2E2 0%,#F3E8FF 100%); }
.cover-9 { background: linear-gradient(135deg,#F3E8FF 0%,#CFFAFE 100%); }

.cc-product { font-size: 60px; }
.cc-badge {
  position: absolute; top: 14px; right: 14px;
  padding: 3px 10px; border-radius: 999px;
  background: rgba(236,72,153,0.85);
  color: #fff; font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.05em;
}
.cc-modules { display: flex; flex-direction: column; gap: 10px; width: 60%; }
.cc-modules span {
  display: block; height: 14px; border-radius: 6px;
  background: rgba(124,58,237,0.25);
}
.cc-modules span:nth-child(2) { width: 75%; background: rgba(59,130,246,0.25); }
.cc-modules span:nth-child(3) { width: 55%; background: rgba(6,182,212,0.25); }

.cc-detail-scroll { width: 55%; display: flex; flex-direction: column; gap: 8px; }
.ds { border-radius: 6px; }
.ds.h { height: 32px; background: rgba(124,58,237,0.3); }
.ds.b1 { height: 18px; background: rgba(59,130,246,0.25); }
.ds.b2 { height: 18px; background: rgba(236,72,153,0.22); }
.ds.b3 { height: 18px; background: rgba(245,158,11,0.25); }

.cc-book {
  width: 40px; height: 52px; border-radius: 4px;
  background: rgba(124,58,237,0.25);
  position: absolute;
  box-shadow: 2px 2px 8px rgba(0,0,0,0.06);
}
.ccb1 { transform: rotate(-18deg) translate(-24px,4px); background: rgba(236,72,153,0.3); }
.ccb2 { z-index: 2; background: rgba(124,58,237,0.35); }
.ccb3 { transform: rotate(18deg) translate(24px,4px); background: rgba(59,130,246,0.3); }
.cover-4 { position: relative; }

.cc-tri { display: flex; gap: 2px; }
.cc-tri span {
  width: 30px; height: 60px; border-radius: 4px;
  background: rgba(124,58,237,0.25);
}
.cc-tri span:nth-child(2) { background: rgba(236,72,153,0.3); transform: skewY(3deg); }
.cc-tri span:nth-child(3) { background: rgba(59,130,246,0.25); }

.cc-flyer {
  width: 80px; height: 100px; border-radius: 8px;
  background: rgba(255,255,255,0.5);
  position: relative;
  border: 1px solid rgba(124,58,237,0.15);
  overflow: hidden;
}
.cf-tl {
  position: absolute; top: 8px; right: 8px;
  font-size: 13px; font-weight: 900;
  color: var(--pink);
}
.cf-bl {
  position: absolute; bottom: 10px; left: 10px; right: 10px;
  height: 20px; border-radius: 4px;
  background: rgba(124,58,237,0.25);
}

.cc-compare {
  width: 60%; height: 60%;
  display: grid; grid-template-columns: 1fr 1fr;
  border-radius: 10px; overflow: hidden;
  border: 2px solid rgba(255,255,255,0.6);
}
.cc-old { background: rgba(245,158,11,0.25); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; color: var(--yellow); }
.cc-new { background: rgba(16,185,129,0.22); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; color: #059669; }

.cc-chair {
  width: 70px; height: 70px;
  background: rgba(146,64,14,0.3);
  border-radius: 8px 8px 4px 4px;
  margin-bottom: 14px;
}
.cc-swatches { display: flex; gap: 6px; }
.cc-swatches span {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.cc-poster {
  width: 70px; height: 100px;
  background: rgba(255,255,255,0.55);
  border-radius: 6px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px;
  border: 1px solid rgba(124,58,237,0.15);
}
.cp-top {
  padding: 2px 8px; border-radius: 999px;
  background: var(--gradient-btn);
  color: #fff;
  font-size: 9px; font-weight: 700;
}
.cp-title {
  font-size: 16px; font-weight: 900;
  background: var(--gradient-title);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.cat-name {
  padding: 16px 20px;
  font-size: 14px; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between;
}
.cat-name::after {
  content: '→';
  color: var(--purple);
  transition: transform 0.3s;
}
.cat-card:hover .cat-name::after { transform: translateX(4px); }

.cat-hint {
  margin-top: 24px;
  text-align: center;
  font-size: 13px; color: var(--text-muted);
  padding: 10px;
}

/* ==================== 自定义分类封面图（后台上传后应用） ==================== */
.cat-cover.has-custom-cover {
  background-blend-mode: normal;
}
.cat-cover.has-custom-cover::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--cover-overlay, linear-gradient(180deg, rgba(15,23,42,0.08) 0%, rgba(15,23,42,0.55) 100%));
  pointer-events: none;
  z-index: 1;
}
/* 有自定义封面时，隐藏所有默认装饰元素（emoji、九宫格图案、改色色卡、BEST徽章） */
.cat-cover.has-custom-cover > * { display: none !important; }
/* 有自定义封面时，卡片标题更可读 */
.cat-card:has(.cat-cover.has-custom-cover) .cat-name {
  position: relative;
  color: #fff;
  background: linear-gradient(180deg, rgba(15,23,42,0.55) 0%, rgba(15,23,42,0.72) 100%);
}
.cat-card:has(.cat-cover.has-custom-cover) .cat-name::after {
  color: #fff;
}
/* 后台：9宫格分类封面管理区样式 */
.cover-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 12px;
}
.cover-tile {
  background: #fff;
  border: 1px solid var(--card-border, #e5e7eb);
  border-radius: 14px;
  padding: 10px;
  box-shadow: 0 1px 2px rgba(16,24,40,0.04);
  display: flex; flex-direction: column; gap: 8px;
  transition: all .2s ease;
}
.cover-tile:hover { box-shadow: 0 6px 18px rgba(16,24,40,0.08); transform: translateY(-2px); }
.cover-tile .ct-title {
  font-size: 13px; font-weight: 700; color: var(--text-main, #111827);
  display: flex; align-items: center; justify-content: space-between;
}
.cover-tile .ct-sub {
  font-size: 11px; color: var(--text-muted, #6b7280); margin-top: -3px; line-height: 1.4;
}
.cover-tile .ct-thumb {
  aspect-ratio: 16/10;
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(135deg,#F3E8FF 0%,#CFFAFE 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 32px;
  position: relative;
}
.cover-tile .ct-thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.cover-tile .ct-thumb .ct-empty {
  font-size: 11px; color: #fff; font-weight: 600;
  padding: 3px 10px; border-radius: 999px;
  background: rgba(15,23,42,0.45);
}
.cover-tile .ct-actions {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.cover-tile .ct-actions button {
  flex: 1 1 auto;
  padding: 6px 8px;
  font-size: 11px;
  border-radius: 8px;
  border: 1px solid var(--card-border, #e5e7eb);
  background: #fff;
  color: var(--text-main, #111827);
  cursor: pointer;
  transition: all .15s ease;
  white-space: nowrap;
}
.cover-tile .ct-actions button:hover {
  background: linear-gradient(135deg, #fdf2f8 0%, #ede9fe 100%);
  border-color: transparent;
}
.cover-tile .ct-actions button.primary {
  background: var(--gradient-btn, linear-gradient(135deg,#ec4899,#8b5cf6));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(139,92,246,0.25);
}
.cover-tile .ct-actions button.primary:hover {
  filter: brightness(1.05);
}
.cover-tile .ct-actions label {
  flex: 1 1 auto;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 6px 8px;
  font-size: 11px;
  border-radius: 8px;
  border: 1px solid var(--card-border, #e5e7eb);
  background: #fff;
  cursor: pointer;
  color: var(--text-main, #111827);
  transition: all .15s ease;
  white-space: nowrap;
}
.cover-tile .ct-actions label:hover {
  background: linear-gradient(135deg, #fdf2f8 0%, #ede9fe 100%);
  border-color: transparent;
}
.cover-tile .ct-actions label input { display: none; }

/* 旧作品筛选 - 隐藏 */
.filter-bar, .works-grid { display: none; }


/* ==================== EXPERIENCE 工作经历 ==================== */
.timeline {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  padding: 10px 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 26px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(124,58,237,0.2), rgba(236,72,153,0.2));
}
.tl-item {
  position: relative;
  padding-left: 72px;
  margin-bottom: 28px;
}
.tl-icon {
  position: absolute; left: 0; top: 4px;
  width: 54px; height: 54px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  z-index: 1;
}
.tl-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: var(--card-shadow);
  transition: all 0.3s;
}
.tl-card:hover { transform: translateX(4px); box-shadow: var(--card-shadow-hover); }
.tl-time {
  display: inline-block;
  font-size: 12px; font-weight: 600;
  color: var(--purple);
  background: rgba(124,58,237,0.08);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.tl-tag {
  display: inline-block;
  font-size: 11px; font-weight: 600;
  color: var(--pink);
  background: rgba(236,72,153,0.08);
  padding: 3px 10px;
  border-radius: 999px;
  margin-left: 6px;
}
.tl-card h4 { font-size: 16px; font-weight: 700; margin: 6px 0 12px; }
.tl-card ul { display: flex; flex-direction: column; gap: 8px; }
.tl-card li {
  font-size: 13.5px; color: var(--text);
  padding-left: 18px;
  position: relative;
  line-height: 1.75;
}
.tl-card li::before {
  content: '';
  position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gradient-btn);
}
.tl-card b { color: var(--purple); font-weight: 600; }

/* ==================== CONTACT 联系我 ==================== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 28px;
  align-items: start;
}
.contact-left { display: flex; flex-direction: column; gap: 18px; }
.contact-hi {
  font-size: 28px; font-weight: 800;
  line-height: 1.3;
  margin-bottom: 10px;
}
.contact-hi .gradient-text {
  background: linear-gradient(135deg,#7C3AED 0%,#EC4899 60%,#F59E0B 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.contact-desc {
  font-size: 14px; color: var(--text-muted);
  line-height: 1.85; margin-bottom: 6px;
}
.contact-list { display: flex; flex-direction: column; gap: 12px; }
.contact-item {
  display: flex; align-items: center; gap: 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--card-shadow);
  transition: all 0.25s;
}
.contact-item:hover { transform: translateX(4px); box-shadow: var(--card-shadow-hover); border-color: rgba(124,58,237,0.2); }
.ci-icon {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg,#F3E8FF,#E0E7FF);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.ci-phone { background: linear-gradient(135deg,#FEF3C7,#FCE7F3); }
.ci-mail { background: linear-gradient(135deg,#E0E7FF,#CFFAFE); }
.ci-loc { background: linear-gradient(135deg,#DCFCE7,#F3E8FF); }
.ci-time { background: linear-gradient(135deg,#FCE7F3,#FFE4E6); }
.contact-item small { display: block; font-size: 11px; color: var(--text-light); margin-bottom: 2px; letter-spacing: 0.05em; }
.contact-item b { font-size: 14.5px; font-weight: 600; }

.contact-form {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--card-shadow);
}
.form-head { margin-bottom: 22px; }
.form-head h4 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.form-head small { font-size: 12.5px; color: var(--text-muted); }
.form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  margin-bottom: 14px;
}
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 12.5px; font-weight: 600; color: var(--text);
  margin-bottom: 7px;
}
.form-group label::after { content: ''; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 11px 14px;
  background: #fff;
  border: 1.5px solid rgba(124,58,237,0.08);
  border-radius: 12px;
  font-size: 13.5px; color: var(--text-dark);
  transition: all 0.2s;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.12);
}
.check-row {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.check-item {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px;
  background: rgba(124,58,237,0.04);
  border: 1px solid rgba(124,58,237,0.08);
  border-radius: 10px;
  cursor: pointer;
  font-size: 12.5px;
  transition: all 0.2s;
  user-select: none;
}
.check-item input { display: none; }
.check-item:has(input:checked) {
  background: var(--gradient-btn);
  color: #fff;
  border-color: transparent;
}
.btn-submit {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%;
  padding: 14px;
  background: var(--gradient-btn);
  color: #fff; border: none;
  border-radius: 14px;
  font-size: 15px; font-weight: 700;
  box-shadow: 0 8px 22px rgba(124,58,237,0.28);
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 6px;
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(236,72,153,0.34); }

/* ==================== FOOTER ==================== */
.footer {
  padding: 50px 24px 28px;
  background: rgba(15,23,42,0.02);
  border-top: 1px solid rgba(124,58,237,0.06);
}
.footer-container { max-width: 1120px; margin: 0 auto; }
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 40px;
  padding-bottom: 36px;
  margin-bottom: 28px;
  border-bottom: 1px dashed rgba(124,58,237,0.1);
}
.fb-logo { font-size: 18px; font-weight: 700; margin-bottom: 10px; display: flex; align-items: center; }
.footer-brand p { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; }
.fb-tagline { display: flex; gap: 8px; flex-wrap: wrap; }
.fb-tagline span {
  padding: 4px 12px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.1em;
  border-radius: 999px;
  background: rgba(124,58,237,0.06);
  color: var(--purple);
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.fn-col h5 {
  font-size: 13px; font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-dark);
}
.fn-col a {
  display: block;
  font-size: 12.5px; color: var(--text-muted);
  padding: 4px 0;
  transition: all 0.2s;
}
.fn-col a:hover { color: var(--purple); transform: translateX(2px); }

.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--text-light);
  flex-wrap: wrap; gap: 10px;
}

/* ==================== BACK TO TOP ==================== */
.back-top {
  position: fixed; bottom: 28px; right: 28px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  color: var(--purple);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition: all 0.3s;
  z-index: 90;
}
.back-top:hover { background: var(--gradient-btn); color: #fff; box-shadow: 0 10px 26px rgba(124,58,237,0.3); border-color: transparent; }
.back-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ==================== 画廊 Modal ==================== */
.gallery-modal {
  position: fixed; inset: 0; z-index: 200;
  display: none;
  align-items: center; justify-content: center;
  padding: 30px;
}
.gallery-modal.active { display: flex; }
.gallery-overlay {
  position: absolute; inset: 0;
  background: rgba(15,23,42,0.55);
  backdrop-filter: blur(4px);
}
.gallery-panel {
  position: relative; z-index: 1;
  width: 100%; max-width: 1040px;
  max-height: 88vh;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(15,23,42,0.25);
  display: flex; flex-direction: column;
  overflow: hidden;
  animation: pop 0.3s cubic-bezier(0.16,1,0.3,1);
}
@keyframes pop { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: none; } }
.gallery-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 26px;
  border-bottom: 1px solid rgba(124,58,237,0.08);
  background: rgba(248,250,255,0.7);
}
.gm-back {
  background: none; border: none; cursor: pointer;
  color: var(--purple); font-weight: 600; font-size: 13px;
  padding: 0; margin-bottom: 6px;
}
.gallery-title { font-size: 20px; font-weight: 800; margin-bottom: 2px; }
.gallery-sub { font-size: 12.5px; color: var(--text-muted); }
.gm-close {
  width: 38px; height: 38px; border-radius: 12px;
  background: rgba(239,68,68,0.08);
  color: var(--text-muted); font-size: 16px;
  cursor: pointer; border: none;
  transition: all 0.2s;
}
.gm-close:hover { background: rgba(239,68,68,0.15); color: var(--danger); }
.gallery-body {
  padding: 22px 26px;
  overflow-y: auto;
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  align-content: start;
}
.thumb {
  aspect-ratio: 4/3;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  background: linear-gradient(135deg,#F3E8FF,#E0E7FF);
  border: 1px solid rgba(124,58,237,0.06);
  position: relative;
  transition: all 0.3s;
  display: flex; align-items: center; justify-content: center;
}
.thumb:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(124,58,237,0.18); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb .t-cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 16px 12px 10px;
  background: linear-gradient(transparent, rgba(15,23,42,0.8));
  color: #fff; font-size: 12px; font-weight: 500;
  transform: translateY(100%);
  transition: transform 0.25s;
}
.thumb:hover .t-cap { transform: translateY(0); }
.thumb .t-icon { font-size: 40px; opacity: 0.6; }

/* ==================== Lightbox ==================== */
.lightbox {
  position: fixed; inset: 0; z-index: 300;
  display: none;
  align-items: center; justify-content: center;
  padding: 30px;
}
.lightbox.active { display: flex; }
.lb-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.92); }
.lb-close {
  position: absolute; top: 24px; right: 24px; z-index: 2;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: #fff; border: none; font-size: 18px; cursor: pointer;
  transition: all 0.2s;
}
.lb-close:hover { background: rgba(255,255,255,0.2); }
.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 2;
  width: 50px; height: 50px; border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: #fff; border: none; font-size: 26px; cursor: pointer;
  transition: all 0.2s;
}
.lb-nav:hover { background: rgba(255,255,255,0.2); }
.lb-prev { left: 24px; }
.lb-next { right: 24px; }
.lb-container {
  position: relative; z-index: 1;
  width: 100%; max-width: 1100px;
  text-align: center;
}
.lb-stage {
  aspect-ratio: 16/10;
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  background: #1a1a1a;
  margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
}
.lb-stage img { max-width: 100%; max-height: 100%; object-fit: contain; }
.lb-stage .lb-icon { font-size: 80px; opacity: 0.6; }
.lb-caption { color: rgba(255,255,255,0.9); }
.lb-index { font-size: 12px; opacity: 0.7; letter-spacing: 0.1em; margin-bottom: 4px; }
.lb-title { font-size: 15px; font-weight: 500; }

/* ==================== SCROLL REVEAL（兼容旧 selector） ==================== */
.old-reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.old-reveal.active { opacity: 1; transform: translateY(0); }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 960px) {
  .nav-menu { display: none; }
  .hamburger { display: flex; }
  .navbar { width: calc(100% - 24px); padding: 10px 16px; }
  .btn-cta { display: none; }
  .section { padding: 70px 18px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .about-wrap { grid-template-columns: 1fr; }
  .skill-categories { grid-template-columns: 1fr; }
  .skill-detail-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; }
  .gallery-body { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-nav { grid-template-columns: repeat(3, 1fr); }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .hero { padding: 120px 18px 60px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-item { padding: 16px 8px; }
  .stat-num { font-size: 24px; }
  .skill-detail-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .cat-cover { height: 130px; }
  .gallery-body { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { left: 18px; }
  .tl-item { padding-left: 58px; }
  .tl-icon { width: 40px; height: 40px; border-radius: 12px; font-size: 18px; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .lb-nav { width: 40px; height: 40px; font-size: 22px; }
  .lb-prev { left: 10px; }
  .lb-next { right: 10px; }
}

/* 兼容旧DOM - 原hero左侧/右侧/头像卡片隐藏 */
.hero-left, .hero-right, .portrait-wrapper, .about-photo-frame.apf-corner, .apf-corner {
  /* 这些元素在新HTML中已不存在，无需操作 */
}