* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, #160b18 0%, #251225 40%, #2a1530 100%);
  color: #f0e6f0;
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
}
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: url("../images/hero.jpg");
  background-size: cover;
  background-position: center;
  animation: zoom 20s infinite alternate;
}
.hero-overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(22, 11, 24, 0.3) 0%, rgba(22, 11, 24, 0.8) 100%);
  z-index: 1;
}
@keyframes zoom {
  from { transform: scale(1); }
  to { transform: scale(1.1); }
}
.hero-content {
  position: relative;
  text-align: center;
  z-index: 2;
  padding: 0 15px;
  width: 100%;
}
.hero-content h1 {
  font-size: 56px;
  letter-spacing: 12px;
  font-weight: 300;
  text-shadow: 0 0 30px rgba(255, 182, 220, 0.3);
  animation: fadeUp 1.2s ease-out;
}
.hero-content .slogan {
  font-size: 22px;
  margin-top: 8px;
  letter-spacing: 2px;
  color: #f0d6e8;
  text-shadow: 0 0 20px rgba(0,0,0,0.5);
}
.hero-content span {
  display: block;
  margin-top: 12px;
  font-size: 15px;
  opacity: 0.7;
  letter-spacing: 1px;
}
.scroll {
  position: absolute;
  bottom: 30px;
  font-size: 14px;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.5);
  animation: float 2s infinite ease-in-out;
  z-index: 2;
}
@keyframes float {
  50% { transform: translateY(10px); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
section {
  padding: 50px 5%;
  max-width: 1200px;
  margin: 0 auto;
}
h2 {
  text-align: center;
  font-size: 30px;
  margin-bottom: 35px;
  font-weight: 300;
  letter-spacing: 4px;
  color: #f5dcec;
}
.about-content {
  max-width: 100%;
  margin: 0 auto;
  text-align: center;
  background: rgba(255, 255, 255, 0.04);
  padding: 30px 20px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.about p {
  font-size: 17px;
  line-height: 1.8;
  opacity: 0.9;
  color: #e8dce8;
}
.photo-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.photo-box img {
  width: 100%;
  max-width: 400px;
  height: 320px;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease;
}
.photo-box img:active {
  transform: scale(0.98);
}
.music-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.music-card {
  width: 100%;
  max-width: 400px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding-bottom: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}
.music-card:active {
  transform: scale(0.98);
}
.music-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}
.music-card h3 {
  text-align: center;
  font-size: 20px;
  margin-top: 15px;
  font-weight: 400;
  letter-spacing: 1px;
}
.music-card p {
  text-align: center;
  opacity: 0.6;
  margin-top: 5px;
  font-size: 14px;
}
.timeline-box {
  position: relative;
  max-width: 100%;
  margin: 0 auto;
  padding-left: 25px;
  border-left: 2px solid rgba(255, 182, 220, 0.2);
}
.line-item {
  position: relative;
  margin-bottom: 30px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.line-dot {
  position: absolute;
  left: -31px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffb6dc;
  box-shadow: 0 0 15px rgba(255, 182, 220, 0.3);
}
.line-item h3 {
  font-size: 24px;
  color: #ffb6dc;
  font-weight: 400;
  letter-spacing: 1px;
}
.line-item p {
  margin-top: 6px;
  font-size: 16px;
  opacity: 0.8;
  color: #dcd0dc;
}
.letter-box {
  max-width: 100%;
  margin: 0 auto;
  background: rgba(255, 255, 240, 0.04);
  padding: 35px 20px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}
.letter-box p {
  font-size: 18px;
  line-height: 1.8;
  font-style: italic;
  color: #f0e0f0;
  letter-spacing: 0.5px;
}
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}
.star {
  position: fixed;
  width: 2px;
  height: 2px;
  background: radial-gradient(circle, rgba(255,255,255,0.7), rgba(255,255,255,0));
  border-radius: 50%;
  pointer-events: none;
  z-index: 999;
  animation: twinkle infinite alternate;
}
@keyframes twinkle {
  0% { opacity: 0.2; transform: scale(0.8); }
  100% { opacity: 0.8; transform: scale(1.2); }
}
/* 板块分割线，消除页面单调空白 */
section + section {
  position: relative;
}
section + section::before {
  content: "";
  width: 55%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(255, 182, 220, 0.4), transparent);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -40px;
  opacity: 0.6;
}
/* 底部页脚 修复备案文字模糊，高对比度纯白清晰 */
footer {
  margin-top: 80px;
  padding: 45px 20px 35px;
  background: #09050a;
  border-top: 1px solid rgba(255, 182, 220, 0.15);
  text-align: center;
}
.footer-divider {
  width: 60%;
  height: 1px;
  margin: 0 auto 28px;
  background: linear-gradient(to right, transparent, #ffb6dc, transparent);
  opacity: 0.7;
}
.copyright {
  color: #e0cfee;
  font-size: 16px;
  letter-spacing: 0.6px;
  margin: 0 0 22px;
}
.icp-beian {
  margin: 0;
  font-size: 20px;
  letter-spacing: 2.4px;
  font-weight: 600;
}
.icp-beian a {
  color: #ffffff !important;
  text-decoration: none;
  text-shadow: 0 0 8px rgba(255,255,255,0.35);
  transition: all 0.25s ease;
  opacity: 1 !important;
}
.icp-beian a:hover {
  color: #ffe6f4 !important;
  text-decoration: underline;
  text-shadow: 0 0 12px rgba(255, 200, 240, 0.55);
}
.footer-star-decor {
  margin-top: 30px;
  font-size: 10px;
  color: #c9b2dd;
  opacity: 0.25;
  letter-spacing: 8px;
}
/* 移动端适配 */
@media (min-width: 600px) {
  .hero-content h1 {
    font-size: 72px;
    letter-spacing: 16px;
  }
  .hero-content .slogan {
    font-size: 26px;
  }
  .photo-box {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  .photo-box img {
    width: calc(50% - 15px);
    height: 350px;
    max-width: none;
  }
  .music-box {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  .music-card {
    width: calc(50% - 15px);
    max-width: none;
  }
  h2 {
    font-size: 36px;
  }
  .timeline-box {
    max-width: 600px;
  }
}
@media (min-width: 900px) {
  .hero-content h1 {
    font-size: 90px;
    letter-spacing: 20px;
  }
  .photo-box img {
    width: calc(33.33% - 20px);
    height: 400px;
  }
  .music-card {
    width: calc(33.33% - 25px);
  }
  .photo-box img:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 182, 220, 0.3);
  }
  .music-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(255, 182, 220, 0.3);
  }
  .photo-box img:active,
  .music-card:active {
    transform: none;
  }
  .letter-box {
    padding: 50px 40px;
  }
  .letter-box p {
    font-size: 22px;
  }
}
