/* ========================================
   SpongeBob Portfolio - 比奇堡主题样式
   ======================================== */

/* ===== CSS 变量 ===== */
:root {
  /* 海洋色系 */
  --ocean-deep: #004773;
  --ocean-mid: #0077BE;
  --ocean-light: #00A3E0;
  --ocean-bright: #4FC3F7;
  --ocean-surface: #81D4FA;

  /* 角色色系 */
  --sponge-yellow: #F9D949;
  --sponge-yellow-light: #FFE55C;
  --sponge-yellow-deep: #E6B800;
  --patrick-pink: #E8658E;
  --squidward-teal: #1ABC9C;
  --mr-krabs-red: #E74C3C;
  --sandy-brown: #C77C3D;
  --plankton-green: #2ECC71;
  --gary-blue: #5DADE2;

  /* 中性色 */
  --sand: #F4E4BC;
  --sand-deep: #D4B483;
  --text-light: #FFFFFF;
  --text-soft: rgba(255,255,255,0.85);
  --text-muted: rgba(255,255,255,0.6);
  --text-dark: #1A1A2E;

  /* 玻璃效果 */
  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.25);
  --glass-hover: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px rgba(0, 71, 115, 0.35);

  /* 间距 */
  --nav-height: 64px;
  --section-pad: 50px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* 字体 */
  --font-heading: 'ZCOOL KuaiLe', 'Nunito', sans-serif;
  --font-body: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-deco: 'Bangers', 'ZCOOL KuaiLe', cursive;
}

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

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

body {
  font-family: var(--font-body);
  background: linear-gradient(180deg, var(--ocean-deep) 0%, var(--ocean-mid) 40%, var(--ocean-light) 100%);
  color: var(--text-light);
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

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

/* ===== 加载屏 ===== */
.loader {
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, var(--ocean-deep), var(--ocean-mid));
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-content {
  text-align: center;
}
.loader-pineapple {
  font-size: 4rem;
  animation: bounce 0.8s ease-in-out infinite alternate;
}
.loader-text {
  font-family: var(--font-deco);
  font-size: 2.5rem;
  color: var(--sponge-yellow);
  letter-spacing: 2px;
  margin: 16px 0;
  text-shadow: 2px 2px 0 var(--ocean-deep);
}
.loader-bar {
  width: 200px;
  height: 8px;
  background: rgba(255,255,255,0.15);
  border-radius: 4px;
  overflow: hidden;
  margin: 0 auto;
}
.loader-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--sponge-yellow), var(--sponge-yellow-light));
  border-radius: 4px;
  animation: loading 1.2s ease-in-out forwards;
}
@keyframes loading {
  0% { width: 0%; }
  100% { width: 100%; }
}
@keyframes bounce {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(-20px) scale(1.1); }
}

/* ===== 海底背景 ===== */
.ocean-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

/* 光线焦散 */
.caustics {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 60%;
  background:
    radial-gradient(ellipse 800px 200px at 20% 10%, rgba(255,255,255,0.08), transparent),
    radial-gradient(ellipse 600px 150px at 60% 5%, rgba(255,255,255,0.06), transparent),
    radial-gradient(ellipse 700px 180px at 85% 15%, rgba(255,255,255,0.07), transparent);
  animation: caustics-move 12s ease-in-out infinite alternate;
}
@keyframes caustics-move {
  0% { transform: translateX(-30px) scaleX(1); opacity: 0.6; }
  100% { transform: translateX(30px) scaleX(1.05); opacity: 0.9; }
}

/* 气泡 */
.bubble {
  position: absolute;
  bottom: -60px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.4), rgba(255,255,255,0.05));
  border: 1px solid rgba(255,255,255,0.2);
  animation: float-up linear infinite;
  pointer-events: none;
}
@keyframes float-up {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  10% { opacity: 0.7; }
  50% { transform: translateY(-50vh) translateX(20px); }
  90% { opacity: 0.3; }
  100% {
    transform: translateY(-110vh) translateX(-10px);
    opacity: 0;
  }
}

/* 水草 */
.seaweed-container {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
}
.seaweed {
  width: 12px;
  background: linear-gradient(180deg, transparent, var(--plankton-green) 30%, #1a7a3a);
  border-radius: 50% 50% 0 0 / 30% 30% 0 0;
  transform-origin: bottom center;
  animation: sway 4s ease-in-out infinite alternate;
  opacity: 0.6;
}
.seaweed:nth-child(2n) { animation-duration: 3s; animation-delay: -1s; }
.seaweed:nth-child(3n) { animation-duration: 5s; animation-delay: -2s; }
@keyframes sway {
  0% { transform: rotate(-5deg) scaleY(1); }
  100% { transform: rotate(8deg) scaleY(1.05); }
}

/* 海底沙滩 */
.ocean-floor {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(180deg, transparent, var(--sand) 30%, var(--sand-deep));
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  box-shadow: inset 0 4px 10px rgba(0,0,0,0.15);
}
.ocean-floor::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 5%;
  right: 5%;
  height: 3px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  filter: blur(3px);
}

/* 水母 */
.jellyfish-item {
  position: absolute;
  width: 40px;
  height: 50px;
  opacity: 0.3;
  animation: jellyfish-float 15s ease-in-out infinite;
  pointer-events: none;
}
.jellyfish-item .jelly-body {
  width: 40px;
  height: 30px;
  background: radial-gradient(ellipse at 50% 30%, rgba(255,200,220,0.6), rgba(200,150,220,0.2));
  border-radius: 50% 50% 20% 20% / 60% 60% 40% 40%;
  position: relative;
}
.jellyfish-item .jelly-tentacle {
  position: absolute;
  bottom: -15px;
  width: 2px;
  height: 18px;
  background: rgba(255,200,220,0.4);
  border-radius: 2px;
  animation: tentacle-wave 2s ease-in-out infinite alternate;
}
.jellyfish-item .jelly-tentacle:nth-child(1) { left: 8px; }
.jellyfish-item .jelly-tentacle:nth-child(2) { left: 15px; animation-delay: 0.3s; }
.jellyfish-item .jelly-tentacle:nth-child(3) { left: 22px; animation-delay: 0.6s; }
.jellyfish-item .jelly-tentacle:nth-child(4) { left: 29px; animation-delay: 0.9s; }
@keyframes jellyfish-float {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(40px, -30px); }
  50% { transform: translate(80px, 10px); }
  75% { transform: translate(40px, -20px); }
}
@keyframes tentacle-wave {
  0% { transform: scaleY(1) rotate(-3deg); }
  100% { transform: scaleY(1.2) rotate(3deg); }
}

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(0, 71, 115, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}
.navbar.scrolled {
  background: rgba(0, 71, 115, 0.7);
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--sponge-yellow-light);
  text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}
.nav-logo-icon {
  font-size: 1.5rem;
  animation: spin-slow 8s linear infinite;
}
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.nav-links {
  display: flex;
  gap: 8px;
}
.nav-link {
  display: block;
  padding: 8px 16px;
  color: var(--text-soft);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: all 0.25s ease;
  position: relative;
}
.nav-link:hover {
  color: var(--text-light);
  background: var(--glass-bg);
}
.nav-link.active {
  color: var(--sponge-yellow-light);
  background: rgba(249, 217, 73, 0.12);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--sponge-yellow);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-light);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 通用 ===== */
section {
  position: relative;
  z-index: 1;
  padding: var(--section-pad) 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  text-align: center;
  color: var(--sponge-yellow-light);
  text-shadow: 2px 2px 0 rgba(0,0,0,0.2);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 28px;
}
.title-icon {
  font-size: 2.4rem;
  animation: wiggle 3s ease-in-out infinite;
}
@keyframes wiggle {
  0%, 100% { transform: rotate(-5deg); }
  50% { transform: rotate(5deg); }
}

/* ===== Hero ===== */
/* ===== 页面内容（覆盖 Hero） ===== */
.page-content {
  position: relative;
  z-index: 2;
  background: linear-gradient(180deg, var(--ocean-deep) 0%, var(--ocean-mid) 40%, var(--ocean-light) 100%);
}

/* ===== Hero 区域（视频背景 + 滚动收起） ===== */
.hero {
  position: sticky;
  top: 0;
  height: 100vh;
  min-height: 500px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 1;
}

/* 视频背景 */
.hero-video-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-video-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.1s linear;
}
.hero-video-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(0,30,60,0.3) 0%, rgba(0,30,60,0.45) 50%, rgba(0,40,80,0.6) 100%);
}

/* Hero 内容 */
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: var(--nav-height);
  animation: hero-enter 1s ease-out;
  transition: opacity 0.1s linear, transform 0.1s linear;
}
@keyframes hero-enter {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-name {
  font-family: 'Noto Sans SC', var(--font-heading);
  font-weight: 700;
  font-size: 3.5rem;
  color: var(--sponge-yellow-light);
  text-shadow: 3px 3px 0 var(--ocean-deep), 0 0 30px rgba(249, 217, 73, 0.3);
  margin-bottom: 8px;
  letter-spacing: 4px;
}
.hero-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ocean-surface);
  margin-bottom: 8px;
}
.hero-tagline {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  font-style: italic;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--sponge-yellow), var(--sponge-yellow-light));
  color: var(--ocean-deep);
  box-shadow: 0 4px 15px rgba(249, 217, 73, 0.4);
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 6px 25px rgba(249, 217, 73, 0.5);
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.5s ease;
}
.btn-primary:hover::after { left: 100%; }
.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-light);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  background: var(--glass-hover);
  transform: translateY(-3px);
  border-color: var(--ocean-surface);
}
.scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  animation: pulse 2s ease-in-out infinite;
  z-index: 3;
  transition: opacity 0.1s linear;
}
.scroll-arrow {
  width: 2px;
  height: 30px;
  background: var(--text-muted);
  margin: 8px auto 0;
  position: relative;
}
.scroll-arrow::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
}
@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ===== 关于我 ===== */
.about-card {
  max-width: 800px;
  margin: 0 auto;
}
.about-card-inner {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  transition: transform 0.3s ease;
}
.about-card-inner:hover {
  transform: translateY(-4px);
}
.about-license {
  position: relative;
}
.license-header {
  background: linear-gradient(135deg, var(--ocean-deep), var(--ocean-mid));
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px dashed rgba(255,255,255,0.2);
}
.license-label {
  font-family: var(--font-deco);
  font-size: 1.1rem;
  color: var(--sponge-yellow);
  letter-spacing: 3px;
}
.license-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--text-light);
}
.license-body {
  padding: 32px;
}
.about-bio {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-soft);
  margin-bottom: 28px;
}
.highlight {
  color: var(--sponge-yellow-light);
  font-weight: 700;
}
.about-skills {
  margin-bottom: 28px;
}
.skills-label {
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.skill-tag {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  background: color-mix(in srgb, var(--tag-color, var(--sponge-yellow)) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--tag-color, var(--sponge-yellow)) 40%, transparent);
  color: color-mix(in srgb, var(--tag-color, var(--sponge-yellow)) 80%, white);
  transition: all 0.3s ease;
}
.skill-tag:hover {
  transform: translateY(-3px) scale(1.05);
  background: color-mix(in srgb, var(--tag-color, var(--sponge-yellow)) 25%, transparent);
}
.about-info-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px dashed rgba(255,255,255,0.15);
}
.info-item {
  flex: 1;
  min-width: 120px;
}
.info-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.info-value {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-light);
}

/* ===== 数据统计 ===== */

/* ===== 工作经历时间线 ===== */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--ocean-bright), var(--squidward-teal), #7986CB, #B39DDB, #4DD0E1);
  border-radius: 2px;
  opacity: 0.5;
}
.timeline-item {
  position: relative;
  margin-bottom: 32px;
  animation: timeline-enter 0.6s ease-out backwards;
}
.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
@keyframes timeline-enter {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}
.timeline-dot {
  position: absolute;
  left: -32px;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  border: 3px solid rgba(255,255,255,0.3);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  z-index: 1;
}
.timeline-content {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: all 0.3s ease;
}
.timeline-content:hover {
  transform: translateX(8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  border-color: var(--ocean-surface);
}
.timeline-date {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--sponge-yellow-light);
  margin-bottom: 4px;
  letter-spacing: 1px;
}
.timeline-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 2px;
}
.timeline-company {
  font-size: 0.9rem;
  color: var(--ocean-surface);
  font-weight: 600;
  margin-bottom: 8px;
}
.timeline-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== 数据统计 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 28px 16px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--sponge-yellow), var(--patrick-pink), var(--squidward-teal));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}
.stat-card:hover::before { transform: scaleX(1); }
.stat-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
}
.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--sponge-yellow-light);
  text-shadow: 1px 1px 0 rgba(0,0,0,0.2);
}
.stat-number::after {
  content: "+";
  font-size: 1.4rem;
  margin-left: 2px;
}
.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== 过渡文案 ===== */
.transition-text {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  padding: 20px 24px;
}
.transition-text p {
  font-size: 1rem;
  color: var(--text-soft);
  line-height: 1.8;
  font-style: italic;
}

/* ===== 联系我 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}
.contact-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 28px 16px;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.contact-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
  border-color: var(--sponge-yellow);
  background: var(--glass-hover);
}
.contact-icon {
  font-size: 2.5rem;
}
.contact-info h3 {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-weight: 600;
}
.contact-info p {
  font-size: 0.95rem;
  color: var(--text-light);
  font-weight: 600;
}

/* ===== 页脚 ===== */
.footer {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, transparent, rgba(0, 30, 50, 0.5));
  border-top: 1px solid var(--glass-border);
  padding: 40px 24px;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--sponge-yellow-light);
  margin-bottom: 12px;
}
.footer-quote {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.9rem;
  margin-bottom: 12px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.footer-copyright {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ===== 视频弹窗 ===== */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.video-modal.open {
  opacity: 1;
  visibility: visible;
}
.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 10, 30, 0.85);
  backdrop-filter: blur(8px);
}
.modal-wrapper {
  position: relative;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  z-index: 1;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}
.video-modal.open .modal-wrapper {
  transform: scale(1);
}
.modal-close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
.modal-close:hover {
  background: rgba(255,255,255,0.3);
  transform: rotate(90deg);
}
.modal-content {
  background: linear-gradient(180deg, #0a1a2e, #062845);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.video-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
}
.video-container video,
.video-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}
.video-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-muted);
}
.video-placeholder-icon {
  font-size: 4rem;
  animation: wiggle 2s ease-in-out infinite;
}
.video-meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 20px 24px;
  gap: 16px;
}
.video-modal-title {
  font-size: 1.3rem;
  color: var(--text-light);
  margin-bottom: 8px;
}
.video-modal-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.video-modal-tags .work-category {
  font-size: 0.8rem;
}
.video-modal-stats {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}
.video-modal-stats span {
  display: flex;
  align-items: center;
  gap: 4px;
}
.video-modal-desc {
  padding: 0 24px 24px;
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== 回到顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sponge-yellow), var(--sponge-yellow-light));
  color: var(--ocean-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.8);
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(249, 217, 73, 0.4);
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.back-to-top:hover {
  transform: translateY(-4px) scale(1.1);
}

/* ===== 滚动揭示 ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(0, 71, 115, 0.95);
    backdrop-filter: blur(16px);
    padding: 16px;
    gap: 4px;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    border-bottom: 1px solid var(--glass-border);
  }
  .nav-links.open {
    transform: translateY(0);
  }
  .nav-toggle { display: flex; }

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

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

  .section-title { font-size: 1.8rem; }

  .timeline { padding-left: 36px; }
  .timeline-content { padding: 16px 20px; }

  .modal-wrapper { max-height: 85vh; overflow-y: auto; }
  .video-meta { flex-direction: column; }
}

@media (max-width: 600px) {
  :root { --section-pad: 36px; }

  .hero-name { font-size: 2rem; }
  .hero-title { font-size: 1.05rem; }
  .hero-tagline { font-size: 0.9rem; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .contact-grid { grid-template-columns: 1fr; }

  .license-header { flex-direction: column; gap: 4px; text-align: center; }
  .license-body { padding: 20px; }
  .about-info-row { gap: 16px; }

  .back-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; }
}

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

/* ===== 查看我运营的账号 ===== */
.account-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 680px;
  margin: 0 auto 36px;
}

.account-link-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.account-link-card:hover {
  transform: translateX(6px);
  border-color: var(--sponge-yellow-light);
  background: rgba(249,217,73,0.1);
  box-shadow: 0 8px 24px rgba(249,217,73,0.2);
}

.account-link-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.account-link-text {
  flex: 1;
}

.account-link-text h4 {
  font-family: 'ZCOOL KuaiLe', sans-serif;
  font-size: 1.15rem;
  color: var(--sponge-yellow-light);
  margin-bottom: 4px;
}

.account-link-text p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.account-link-arrow {
  font-size: 1.4rem;
  color: var(--sponge-yellow-light);
  opacity: 0.5;
  transition: all 0.3s;
}

.account-link-card:hover .account-link-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* 公众号二维码 */
.qr-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 560px;
  margin: 0 auto;
}

.qr-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  padding: 20px 16px;
  text-align: center;
  text-decoration: none;
  color: inherit;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}

.qr-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(249,217,73,0.15), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.qr-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--sponge-yellow-light);
  box-shadow: 0 12px 30px rgba(249,217,73,0.25);
  background: rgba(255,255,255,0.08);
}

.qr-card:hover::before {
  opacity: 1;
}

.qr-image-wrap {
  width: 100%;
  aspect-ratio: 1;
  background: white;
  border-radius: 14px;
  padding: 8px;
  margin-bottom: 14px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25), inset 0 0 0 1px rgba(0,0,0,0.05);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s;
}

.qr-card:hover .qr-image-wrap {
  transform: rotate(-2deg);
}

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

.qr-info h4 {
  font-family: 'ZCOOL KuaiLe', sans-serif;
  font-size: 1.05rem;
  color: var(--sponge-yellow-light);
  margin-bottom: 6px;
}

.qr-info p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.5;
}

/* 平板 */
@media (max-width: 900px) {
  .qr-grid { gap: 16px; }
}

/* 手机 */
@media (max-width: 500px) {
  .qr-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .qr-card { padding: 14px 10px; }
  .qr-info h4 { font-size: 0.95rem; }
  .qr-info p { font-size: 0.72rem; }
  .account-link-card { padding: 14px 18px; }
  .account-link-text h4 { font-size: 1rem; }
  .account-link-text p { font-size: 0.78rem; }
}

/* ========================================
   卡片通用元素（AI 视频卡片 / 弹窗复用）
   ======================================== */

/* 悬停浮现的播放按钮 */
.work-play {
  position: absolute;
  z-index: 3;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ocean-deep);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transform: scale(0.7);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.work-play svg { margin-left: 3px; }
/* 轮播中只有居中主卡显示播放按钮 */
.ai-slide.is-active:hover .work-play { opacity: 1; transform: scale(1); }

/* 卡片标签胶囊 */
.work-category {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* 卡片依次入场动画（AI 视频卡片使用） */
@keyframes work-enter {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 弹窗内的空态 / 外链按钮 */
.video-placeholder .btn { margin-top: 4px; }

/* ========================================
   我的AI视频作品（3D 立体轮播）
   ======================================== */
.ai-videos { overflow-x: clip; }

.ai-carousel {
  --card-w: clamp(270px, 46vw, 660px);
  --cover-h: calc(var(--card-w) * 0.5625);
  --stage-h: calc(var(--cover-h) + 44px);
  --side-x: 56%;
  --side-z: -150px;
  --side-ry: 30deg;
  --side-sc: 0.92;
  position: relative;
  max-width: 1140px;
  margin: 0 auto;
  outline: none;
}

.ai-stage {
  position: relative;
  height: var(--stage-h);
  perspective: 1500px;
  perspective-origin: 50% 45%;
  touch-action: pan-y;
}

.ai-slide {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--card-w);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
  cursor: pointer;
  backface-visibility: hidden;
  transform: translate(-50%, -50%)
             translateX(var(--tx, 0%))
             translateZ(var(--tz, 0px))
             rotateY(var(--ry, 0deg))
             scale(var(--sc, 1));
  transition: transform 0.75s cubic-bezier(0.22, 0.61, 0.36, 1),
              opacity 0.55s ease,
              filter 0.55s ease,
              box-shadow 0.55s ease,
              border-color 0.35s ease;
  will-change: transform, opacity;
}
.ai-slide:focus-visible {
  outline: 2px solid var(--sponge-yellow);
  outline-offset: 3px;
}

/* 位置：0 居中主卡，±1 两侧，±2 更远 */
.ai-slide[data-pos="0"] {
  z-index: 10;
  border-color: rgba(249, 217, 73, 0.5);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.5),
              0 0 0 1px rgba(249, 217, 73, 0.16),
              0 0 46px rgba(249, 217, 73, 0.16);
}
.ai-slide[data-pos="1"] {
  z-index: 6;
  --tx: var(--side-x);
  --tz: var(--side-z);
  --ry: calc(-1 * var(--side-ry));
  --sc: var(--side-sc);
  opacity: 0.82;
  filter: brightness(0.6) saturate(0.85);
}
.ai-slide[data-pos="-1"] {
  z-index: 6;
  --tx: calc(-1 * var(--side-x));
  --tz: var(--side-z);
  --ry: var(--side-ry);
  --sc: var(--side-sc);
  opacity: 0.82;
  filter: brightness(0.6) saturate(0.85);
}
.ai-slide[data-pos="2"] {
  z-index: 3;
  --tx: calc(var(--side-x) * 1.7);
  --tz: calc(var(--side-z) * 2);
  --ry: calc(-1 * var(--side-ry) * 1.15);
  --sc: 0.85;
  opacity: 0.35;
  filter: brightness(0.45);
  pointer-events: none;
}
.ai-slide[data-pos="-2"] {
  z-index: 3;
  --tx: calc(-1 * var(--side-x) * 1.7);
  --tz: calc(var(--side-z) * 2);
  --ry: calc(var(--side-ry) * 1.15);
  --sc: 0.85;
  opacity: 0.35;
  filter: brightness(0.45);
  pointer-events: none;
}
.ai-slide.is-far { opacity: 0; pointer-events: none; }

.ai-slide-inner {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
}

.ai-video-cover {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--ocean-deep);
}
/* 竖版视频：模糊放大的同源画面铺底，主体 contain 居中 */
.ai-cover-blur {
  position: absolute;
  inset: -12%;
  background-size: cover;
  background-position: center;
  filter: blur(26px) brightness(0.5) saturate(1.1);
  transform: scale(1.08);
}
.ai-cover-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.ai-video-cover.is-vertical .ai-cover-img,
.ai-video-cover.is-vertical .hover-preview { object-fit: contain; }
.ai-slide.is-active:hover .ai-cover-img { transform: scale(1.04); }
.ai-video-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0, 20, 40, 0.55));
  pointer-events: none;
}

.ai-video-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 3;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  background: rgba(0, 20, 40, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.ai-video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  z-index: 3;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  background: rgba(0, 20, 40, 0.65);
  font-variant-numeric: tabular-nums;
}
.ai-video-cover .work-play { z-index: 4; }

/* 当前作品的说明区 */
.ai-caption {
  max-width: 780px;
  min-height: 118px;
  margin: 26px auto 0;
  padding: 0 16px;
  text-align: center;
  transition: opacity 0.26s ease, transform 0.26s ease;
}
.ai-caption.swap { opacity: 0; transform: translateY(8px); }
.ai-caption-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--sponge-yellow-light);
}
.ai-caption-desc {
  margin-top: 8px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-muted);
}
.ai-caption-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-top: 12px;
}
.ai-caption-tags .work-category { font-size: 0.72rem; }
.ai-caption-tags .ai-caption-meta {
  color: var(--sponge-yellow);
  border-color: rgba(249, 217, 73, 0.35);
}

/* 圆点指示器 */
.ai-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}
.ai-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.ai-dot:hover { background: rgba(255, 255, 255, 0.45); }
.ai-dot.active {
  width: 26px;
  background: linear-gradient(90deg, var(--sponge-yellow), var(--sponge-yellow-light));
  box-shadow: 0 2px 10px rgba(249, 217, 73, 0.45);
}

/* 左右切换按钮 */
.ai-nav-btn {
  position: absolute;
  top: calc(var(--cover-h) / 2 + 22px);
  transform: translateY(-50%);
  z-index: 20;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--sponge-yellow);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.ai-nav-btn:hover {
  background: var(--glass-hover);
  border-color: var(--sponge-yellow-light);
  transform: translateY(-50%) scale(1.12);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.ai-nav-btn:active { transform: translateY(-50%) scale(0.96); }
.ai-nav-prev { left: 4px; }
.ai-nav-next { right: 4px; }

@media (max-width: 700px) {
  .ai-carousel {
    --card-w: min(86vw, 400px);
    --side-x: 48%;
    --side-ry: 36deg;
  }
  .ai-nav-btn { width: 38px; height: 38px; }
  .ai-caption { min-height: 140px; }
}

/* ========================================
   冲击力升级：视频即播 / 电影感首屏 /
   深度计 / 光标 / 3D 倾斜 / 彩蛋
   ======================================== */

/* ---- 视频 hover 即播预览 ---- */
.ai-video-cover .hover-preview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.45s ease;
}
.ai-video-cover .hover-preview.ready { opacity: 1; }
.ai-video-card.previewing .work-play { opacity: 0 !important; }
.ai-video-card.previewing .ai-video-badge { opacity: 0; }
.ai-video-card .ai-video-badge { transition: opacity 0.3s ease; }

/* ---- 自定义光标（仅支持 hover 的桌面端） ---- */
@media (hover: hover) and (pointer: fine) {
  body.custom-cursor,
  body.custom-cursor a,
  body.custom-cursor button,
  body.custom-cursor .ai-video-card { cursor: none; }
}
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
body.cursor-on .cursor-dot,
body.cursor-on .cursor-ring { opacity: 1; }
.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--sponge-yellow);
  box-shadow: 0 0 8px rgba(249, 217, 73, 0.7);
}
.cursor-ring {
  width: 34px;
  height: 34px;
  border: 1.5px solid rgba(249, 217, 73, 0.55);
  transition: opacity 0.3s ease, width 0.25s ease, height 0.25s ease, border-color 0.25s ease;
}
.cursor-ring.grow {
  width: 52px;
  height: 52px;
  border-color: rgba(77, 208, 225, 0.85);
}
@media (hover: none), (prefers-reduced-motion: reduce) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ---- 3D 倾斜 ---- */
.tilt-wrap {
  transform-style: preserve-3d;
  will-change: transform;
}
.ai-video-card.tilting { transition: transform 0.08s linear; box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35); }

/* ---- 音效开关 ---- */
.sound-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-soft);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}
.sound-toggle:hover { background: var(--glass-hover); color: var(--text-light); }
.sound-toggle.on {
  color: var(--ocean-deep);
  background: linear-gradient(135deg, var(--sponge-yellow), var(--sponge-yellow-light));
  border-color: transparent;
}
@media (max-width: 860px) { .sound-toggle { display: none; } }

/* ---- 彩蛋：I'm ready 气泡 ---- */
.ready-pop {
  position: fixed;
  z-index: 9998;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ocean-deep);
  font-family: var(--font-heading);
  font-size: 1.05rem;
  letter-spacing: 1px;
  box-shadow: 0 10px 30px rgba(0, 20, 40, 0.35);
  pointer-events: none;
  animation: pop-fly 1.4s cubic-bezier(0.22, 0.9, 0.36, 1) forwards;
}
@keyframes pop-fly {
  0% { opacity: 0; transform: translateY(8px) scale(0.5); }
  18% { opacity: 1; transform: translateY(-6px) scale(1.08); }
  70% { opacity: 1; transform: translateY(-42px) scale(1); }
  100% { opacity: 0; transform: translateY(-70px) scale(0.92); }
}
.nav-logo.bounce { animation: logo-bounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1); }
@keyframes logo-bounce {
  30% { transform: scale(1.14) rotate(-6deg); }
  60% { transform: scale(0.94) rotate(4deg); }
  100% { transform: scale(1) rotate(0); }
}

/* ---- 降级：偏好减弱动效 ---- */
@media (prefers-reduced-motion: reduce) {
  .ready-pop { animation: none; }
  .nav-logo.bounce { animation: none; }
}