/* ===== 全局重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --cyan: #00d9ff;
  --cyan-soft: rgba(0, 217, 255, 0.15);
  --cyan-glow: rgba(0, 217, 255, 0.4);
  --gold: #ffd700;
  --gold-soft: rgba(255, 215, 0, 0.15);
  --pink: #ff6b9d;
  --bg-dark: #0a0e1a;
  --bg-card: rgba(15, 25, 45, 0.6);
  --text-main: #e0e0e0;
  --text-sub: #8aa8c8;
  --text-dim: #5a7a99;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  overflow-x: hidden;
  position: relative;
}

/* ===== 粒子画布 ===== */
#particles {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ===== 鼠标光晕 ===== */
.cursor-glow {
  position: fixed;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,217,255,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  mix-blend-mode: screen;
}

/* ===== 登录门禁 ===== */
.login-gate {
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, #0d1528 0%, #060a14 100%);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-gate.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.6s ease, visibility 0.6s;
}
.login-box {
  text-align: center;
  width: 340px;
  max-width: 90vw;
  padding: 40px 30px;
  border: 1px solid rgba(0, 217, 255, 0.15);
  border-radius: 12px;
  background: rgba(15, 25, 45, 0.7);
  backdrop-filter: blur(20px);
  box-shadow: 0 0 60px rgba(0, 217, 255, 0.08);
}
.login-icon {
  font-size: 48px;
  margin-bottom: 12px;
}
.login-title {
  font-size: 22px;
  font-weight: 700;
  color: #e0e0e0;
  margin-bottom: 6px;
}
.login-desc {
  font-size: 13px;
  color: #5a7a99;
  margin-bottom: 24px;
}
.login-input {
  width: 100%;
  padding: 10px 14px;
  margin-bottom: 12px;
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: 6px;
  background: rgba(10, 18, 30, 0.6);
  color: #c8d6e5;
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.login-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}
.login-input::placeholder {
  color: #3a5a7a;
}
.login-error {
  color: #f44336;
  font-size: 13px;
  margin-bottom: 12px;
}
.login-btn {
  width: 100%;
  padding: 11px;
  border: none;
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.2), rgba(0, 150, 255, 0.15));
  color: var(--cyan);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  border: 1px solid rgba(0, 217, 255, 0.35);
  transition: all 0.3s;
}
.login-btn:hover {
  background: rgba(0, 217, 255, 0.3);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
}

/* ===== 加载页 ===== */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg-dark);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  transition: opacity 0.8s, visibility 0.8s;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-cake {
  font-size: 60px;
  animation: loaderBounce 1s infinite ease-in-out;
}

.loader-text {
  color: var(--text-dim);
  font-size: 14px;
  letter-spacing: 2px;
}

.loader-bar {
  width: 200px;
  height: 3px;
  background: rgba(0, 217, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.loader-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  border-radius: 2px;
  animation: loaderFill 2s ease-out forwards;
}

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

@keyframes loaderFill {
  from { width: 0; }
  to { width: 100%; }
}

/* ===== 顶部栏 ===== */
.top-bar {
  position: relative;
  z-index: 10;
  background: linear-gradient(135deg, rgba(15,25,45,0.95), rgba(10,20,35,0.95));
  border-bottom: 1px solid rgba(0,217,255,0.3);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,217,255,0.08);
}

.top-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand {
  font-weight: bold;
  font-size: 22px;
  color: var(--cyan);
  text-shadow: 0 0 10px var(--cyan-glow);
}

.divider {
  color: rgba(0,217,255,0.4);
}

.studio-name {
  font-size: 16px;
  color: var(--gold);
  font-style: italic;
  text-shadow: 0 0 8px rgba(255,215,0,0.3);
}

.panel-tag {
  margin-left: 12px;
  font-size: 13px;
  color: var(--text-dim);
  border: 1px solid rgba(255,215,0,0.3);
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--gold-soft);
}

.back-link {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
  border: 1px solid rgba(0,217,255,0.2);
  padding: 5px 14px;
  border-radius: 3px;
}

.back-link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 12px var(--cyan-glow);
}

/* ===== 主体 ===== */
.main-content {
  position: relative;
  z-index: 2;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-sparkles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.sparkle {
  position: absolute;
  left: var(--x);
  top: var(--y);
  font-size: 28px;
  opacity: 0;
  animation: sparkleFloat 4s infinite ease-in-out;
  animation-delay: var(--d);
}

@keyframes sparkleFloat {
  0%, 100% { opacity: 0; transform: translateY(0) scale(0.5); }
  50% { opacity: 0.8; transform: translateY(-30px) scale(1.2); }
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-emoji {
  font-size: 80px;
  animation: heroBounce 2s infinite ease-in-out;
  filter: drop-shadow(0 0 20px rgba(255,215,0,0.4));
}

@keyframes heroBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.hero-title {
  font-size: 64px;
  font-weight: bold;
  margin: 20px 0 10px;
  letter-spacing: 4px;
}

.title-word {
  display: inline-block;
  margin: 0 8px;
  opacity: 0;
  transform: translateY(40px);
  animation: titleReveal 0.8s forwards;
  animation-delay: var(--d);
  background: linear-gradient(135deg, var(--cyan), var(--gold), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 15px rgba(0,217,255,0.3));
}

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

.hero-subtitle {
  color: var(--text-sub);
  font-size: 18px;
  letter-spacing: 3px;
  opacity: 0;
  animation: fadeInUp 0.8s forwards;
  animation-delay: var(--d);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 3px;
  animation: fadeInUp 1s 1.5s forwards;
  opacity: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.scroll-mouse {
  width: 26px;
  height: 42px;
  border: 2px solid var(--cyan);
  border-radius: 14px;
  position: relative;
  box-shadow: 0 0 12px rgba(0,217,255,0.25);
}

.scroll-wheel {
  position: absolute;
  top: 7px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan);
  animation: wheelScroll 1.8s infinite ease-in-out;
  box-shadow: 0 0 6px var(--cyan);
}

@keyframes wheelScroll {
  0% { opacity: 0; transform: translateX(-50%) translateY(0); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translateX(-50%) translateY(14px); }
}

/* 飘落彩纸 */
.confetti-area {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.confetti {
  position: absolute;
  top: -20px;
  left: var(--x);
  width: 8px;
  height: 14px;
  background: var(--c);
  opacity: 0;
  border-radius: 2px;
  box-shadow: 0 0 6px var(--c);
  animation: confettiFall var(--s) infinite ease-in;
  animation-delay: var(--d);
}

@keyframes confettiFall {
  0% {
    opacity: 0;
    transform: translateY(0) rotate(0deg) translateX(0);
  }
  10% { opacity: 0.8; }
  90% { opacity: 0.6; }
  100% {
    opacity: 0;
    transform: translateY(100vh) rotate(720deg) translateX(40px);
  }
}

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

/* ===== 通用 section ===== */
section {
  padding: 80px 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.section-title {
  font-size: 32px;
  text-align: center;
  margin-bottom: 15px;
  letter-spacing: 3px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px; height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  margin: 12px auto 0;
  border-radius: 2px;
}

.section-desc {
  text-align: center;
  color: var(--text-sub);
  font-size: 15px;
  margin-bottom: 40px;
}

/* ===== 滚动入场动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 时间轴 ===== */
.timeline {
  position: relative;
  margin-top: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--gold), var(--pink));
  opacity: 0.4;
}

.timeline-item {
  position: relative;
  padding-left: 80px;
  margin-bottom: 40px;
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.6s ease;
  transition-delay: calc(var(--i) * 0.15s);
}

.timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.timeline-dot {
  position: absolute;
  left: 22px;
  top: 20px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 15px var(--cyan-glow);
  border: 3px solid var(--bg-dark);
  z-index: 1;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid rgba(0,217,255,0.2);
  border-radius: 8px;
  padding: 25px 22px;
  backdrop-filter: blur(5px);
  transition: all 0.3s;
}

.timeline-card:hover {
  border-color: rgba(0,217,255,0.5);
  transform: translateX(8px);
  box-shadow: 0 8px 30px rgba(0,217,255,0.12);
}

.timeline-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.timeline-date {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.timeline-card h3 {
  font-size: 18px;
  color: var(--text-main);
  margin-bottom: 8px;
}

.timeline-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== 花絮展示 ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.gallery-card {
  background: var(--bg-card);
  border: 1px solid rgba(0,217,255,0.15);
  border-radius: 10px;
  padding: 30px 24px;
  backdrop-filter: blur(5px);
  transition: border-color 0.3s, box-shadow 0.3s;
  transform-style: preserve-3d;
  position: relative;
  overflow: hidden;
}

.gallery-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.gallery-card:hover {
  border-color: rgba(0,217,255,0.4);
  box-shadow: 0 10px 40px rgba(0,217,255,0.12);
}

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

.gallery-emoji {
  font-size: 40px;
  margin-bottom: 14px;
  filter: drop-shadow(0 0 10px rgba(0,217,255,0.3));
}

.gallery-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--text-main);
}

.gallery-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 14px;
}

.gallery-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid rgba(255,215,0,0.3);
  padding: 3px 10px;
  border-radius: 3px;
  letter-spacing: 1px;
}

/* ===== 赛博蛋糕 ===== */
.cyber-cake-section {
  text-align: center;
}

.cyber-cake-stage {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  margin: 20px auto 10px;
  cursor: pointer;
  user-select: none;
}

/* 蜡烛 */
.cyber-candles {
  display: flex;
  gap: 18px;
  margin-bottom: -2px;
  position: relative;
  z-index: 3;
}

.cyber-candle {
  position: relative;
  width: 8px;
  height: 36px;
  background: linear-gradient(180deg, var(--cyan), rgba(0,217,255,0.3));
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0,217,255,0.4), inset 0 0 4px rgba(255,255,255,0.2);
  transform: translateX(var(--cw, 50%));
}

.cyber-wick {
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 8px;
  background: #333;
}

.cyber-flame {
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 18px;
  background: radial-gradient(ellipse at bottom, #fff 0%, var(--gold) 30%, var(--pink) 70%, transparent 100%);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  box-shadow: 0 0 12px rgba(255,215,0,0.6), 0 0 24px rgba(255,107,157,0.3);
  animation: flameFlicker 0.3s infinite alternate;
  transform-origin: bottom center;
}

@keyframes flameFlicker {
  0% { transform: translateX(-50%) scale(1) rotate(-2deg); opacity: 0.9; }
  100% { transform: translateX(-50%) scale(1.1) rotate(2deg); opacity: 1; }
}

/* 吹灭状态 */
.cyber-cake-stage.blown .cyber-flame {
  opacity: 0;
  transform: translateX(-50%) scale(0);
  animation: none;
  transition: all 0.5s ease-out;
}

.cyber-cake-stage.blown .cyber-candle {
  box-shadow: 0 0 4px rgba(0,217,255,0.2);
  background: linear-gradient(180deg, rgba(0,217,255,0.4), rgba(0,217,255,0.15));
}

/* 蛋糕层 */
.cyber-cake-body {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cake-layer {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  overflow: hidden;
}

.cake-top {
  width: 160px;
  height: 55px;
  background: linear-gradient(180deg, rgba(0,217,255,0.25), rgba(0,217,255,0.1));
  border: 1px solid rgba(0,217,255,0.4);
  box-shadow: 0 0 20px rgba(0,217,255,0.2), inset 0 -8px 12px rgba(0,0,0,0.2);
}

.cake-mid {
  width: 220px;
  height: 60px;
  background: linear-gradient(180deg, rgba(255,215,0,0.2), rgba(255,215,0,0.08));
  border: 1px solid rgba(255,215,0,0.35);
  box-shadow: 0 0 20px rgba(255,215,0,0.15), inset 0 -8px 12px rgba(0,0,0,0.2);
}

.cake-bottom {
  width: 280px;
  height: 65px;
  background: linear-gradient(180deg, rgba(255,107,157,0.2), rgba(255,107,157,0.08));
  border: 1px solid rgba(255,107,157,0.35);
  box-shadow: 0 0 20px rgba(255,107,157,0.15), inset 0 -8px 12px rgba(0,0,0,0.2);
}

.cake-glyph {
  font-size: 24px;
  filter: drop-shadow(0 0 8px currentColor);
  z-index: 2;
  animation: glyphPulse 2s infinite ease-in-out;
}

@keyframes glyphPulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

/* 电路纹路 */
.cake-circuit {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, transparent 49%, rgba(0,217,255,0.15) 49%, rgba(0,217,255,0.15) 51%, transparent 51%),
    linear-gradient(0deg, transparent 49%, rgba(0,217,255,0.1) 49%, rgba(0,217,255,0.1) 51%, transparent 51%);
  background-size: 20px 20px;
  opacity: 0.5;
}

.cake-plate {
  width: 320px;
  height: 12px;
  background: linear-gradient(180deg, rgba(0,217,255,0.2), rgba(0,0,0,0.4));
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(0,217,255,0.15);
  margin-top: -2px;
}

/* 地面光圈 */
.cake-glow-ring {
  width: 340px;
  height: 20px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(0,217,255,0.25) 0%, transparent 70%);
  margin-top: -5px;
  animation: ringPulse 3s infinite ease-in-out;
}

@keyframes ringPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; }
}

.cyber-hint {
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 2px;
  animation: hintBlink 2s infinite;
}

@keyframes hintBlink {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ===== 愿望墙 ===== */
.wish-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.wish-card {
  width: 300px;
  height: 200px;
  perspective: 1000px;
  cursor: pointer;
}

.wish-card-inner {
  width: 100%; height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s;
}

.wish-card.flipped .wish-card-inner {
  transform: rotateY(180deg);
}

.wish-card-front,
.wish-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.wish-card-front {
  background: linear-gradient(135deg, rgba(0,217,255,0.1), rgba(15,25,45,0.8));
  border: 1px solid rgba(0,217,255,0.3);
}

.wish-card-back {
  background: linear-gradient(135deg, rgba(255,215,0,0.1), rgba(15,25,45,0.8));
  border: 1px solid rgba(255,215,0,0.3);
  transform: rotateY(180deg);
}

.wish-card-emoji {
  font-size: 48px;
}

.wish-card-front p {
  color: var(--text-sub);
  font-size: 15px;
  letter-spacing: 2px;
}

.wish-card-back p {
  color: var(--text-main);
  font-size: 15px;
  text-align: center;
  padding: 0 20px;
  line-height: 1.6;
}

.wish-btn {
  background: linear-gradient(135deg, rgba(0,217,255,0.2), rgba(255,215,0,0.15));
  color: var(--cyan);
  border: 1px solid rgba(0,217,255,0.4);
  padding: 12px 30px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  font-family: inherit;
  letter-spacing: 2px;
  transition: all 0.3s;
}

.wish-btn:hover {
  background: linear-gradient(135deg, rgba(0,217,255,0.35), rgba(255,215,0,0.25));
  border-color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-glow);
  transform: translateY(-2px);
}

/* ===== 数字统计 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid rgba(0,217,255,0.15);
  border-radius: 10px;
  padding: 35px 20px;
  text-align: center;
  backdrop-filter: blur(5px);
  transition: all 0.3s;
}

.stat-card:hover {
  border-color: rgba(0,217,255,0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,217,255,0.12);
}

.stat-emoji {
  font-size: 36px;
  margin-bottom: 12px;
  animation: heroBounce 3s infinite ease-in-out;
}

.stat-number {
  font-size: 42px;
  font-weight: bold;
  background: linear-gradient(135deg, var(--cyan), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 14px;
  color: var(--text-sub);
  letter-spacing: 2px;
}

/* ===== 底部 ===== */
.footer {
  text-align: center;
  padding: 60px 30px 40px;
  border-top: 1px solid rgba(0,217,255,0.1);
  margin-top: 40px;
}

.footer-cake {
  font-size: 40px;
  margin-bottom: 15px;
  animation: heroBounce 2s infinite ease-in-out;
}

.footer p {
  font-size: 15px;
  color: var(--text-sub);
  letter-spacing: 2px;
  margin-bottom: 5px;
}

.footer-sub {
  font-size: 13px !important;
  color: var(--text-dim) !important;
  margin-bottom: 20px !important;
}

.footer-back {
  display: inline-block;
  color: var(--cyan);
  text-decoration: none;
  font-size: 14px;
  border: 1px solid rgba(0,217,255,0.3);
  padding: 8px 20px;
  border-radius: 4px;
  transition: all 0.3s;
}

.footer-back:hover {
  background: var(--cyan-soft);
  border-color: var(--cyan);
  box-shadow: 0 0 15px var(--cyan-glow);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .hero-title { font-size: 38px; letter-spacing: 2px; }
  .hero-emoji { font-size: 55px; }
  .section-title { font-size: 24px; }
  section { padding: 50px 16px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .timeline-item { padding-left: 65px; }
  .timeline::before { left: 20px; }
  .timeline-dot { left: 12px; }
  .top-left .panel-tag { display: none; }
  .studio-name { font-size: 13px; }
  .brand { font-size: 18px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-number { font-size: 32px; }
  .cursor-glow { display: none; }
}