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

a {
  display: block;
  text-decoration: none;
  color: inherit;
}

body {
  font-family: Arial, "Microsoft YaHei", sans-serif;
  background-color: #fa9eb0;
  background: url(/images/new/pc-bg.webp);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

/* ============ Header ============ */
header {
  width: 100%;
  z-index: 99;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header .container .logo {
  display: flex;
  align-items: center;
  gap: 0.8vw;
}

header .container .logo img {
  width: 4.5vw;
  height: 4.5vw;
  object-fit: cover;
  border-radius: 14%;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

header .container .logo .logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: #fff;
  font-weight: 700;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

header .container .logo .logo-text h1 {
  font-size: 2vw;
  letter-spacing: 1px;
}

header .container .logo .logo-text h2 {
  font-size: 0.95vw;
  font-weight: 500;
  opacity: 0.9;
}

header .container .contact-container {
  display: flex;
  gap: 1vw;
}

header .container a.contact .contact-btn {
  display: inline-block;
  padding: 0.55vw 1.4vw;
  font-size: 1.05vw;
  color: #fff;
  font-weight: 600;
  background: linear-gradient(180deg, #ffb547 0%, #ff8a23 100%);
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(255, 138, 35, 0.35);
  white-space: nowrap;
}

/* ============ Desktop（PC 端主区域）============ */
.desktop {
  display: flex;
  justify-content: center;
  overflow-y: scroll;
  padding-top: 3vw;
  min-height: calc(100vh - 6vw);
}

.desktop .container {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1024px;
}

.center-container {
  position: relative;
  width: 60vw;
  max-width: 760px;
}

.center-container img {
  max-width: 100%;
  height: auto;
}

.center-container > div > .title,
.center-container > div:first-child .title {
  margin-bottom: 1.5vw;
  width: 100%;
}

/* === PC 视频九宫格（2 列） === */
.pc-video-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1vw;
  margin-top: 1vw;
}

.pc-video-list .video-item {
  display: block;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  font: inherit;
  color: inherit;
  overflow: hidden;
  border-radius: 8px;
  text-align: left;
  width: 100%;
}

.pc-video-list .video-item .video-thumb {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 8px;
  aspect-ratio: 4 / 3;
  background: #1c1c1c;
}

.pc-video-list .video-item .video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.pc-video-list .video-item:hover .video-thumb img {
  transform: scale(1.05);
}

.pc-video-list .video-item .video-thumb .play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18%;
  height: auto;
  transform: translate(-50%, -50%);
  pointer-events: none;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4));
}

.pc-video-list .video-item p {
  margin-top: 8px;
  color: #fff;
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* PC 二维码 */
.desktop .container .qrcode-container {
  position: absolute;
  right: 0;
  top: 0;
  transform: translateX(calc(100% + 12px));
}

.desktop .container .qrcode-container .qrcode-bg-container {
  position: relative;
}

.desktop .container .qrcode-container .qrcode-bg-container .qrcode-bg {
  width: 12vw;
}

.desktop .container .qrcode-container .qrcode-download-container {
  display: flex;
  color: #fff;
}

.desktop .container .qrcode-container #qrcode {
  position: absolute;
  width: 8vw;
  border-radius: 10px;
  overflow: hidden;
  padding: 0.4vw;
  left: 2vw;
  top: 1.9vw;
  background-color: #fff;
}

.desktop .container .qrcode-container #qrcode img,
.desktop .container .qrcode-container #qrcode canvas {
  width: 100%;
  height: 100%;
  display: block;
}

#fullpage {
  display: none;
  width: 100%;
}

.mobile-download {
  display: none;
}

/* ============ Desktop only ============ */
@media screen and (min-width: 640px) {
  header .container {
    margin: 0 auto;
    padding: 1.2vw 0;
    max-width: 1024px;
  }

  header .container.mb {
    display: none;
  }

  body {
    min-height: 100vh;
  }
}

/* ============ Mobile ============ */
@media screen and (max-width: 640px) {
  body {
    background: none;
    background-color: #fa9eb0;
    background: url("/images/new/mb-bg.webp");
    background-size: 100% 100%;
    background-repeat: no-repeat;
    min-height: 100vh;
    overflow: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  header .container.pc { display: none; }

  header .container {
    padding: 3vw 3.5vw;
    width: 100vw;
  }

  header .container .logo {
    height: auto;
    gap: 2.4vw;
  }

  header .container .logo img {
    width: 12vw;
    height: 12vw;
  }

  header .container .logo .logo-text h1 {
    font-size: 4.6vw;
  }

  header .container .logo .logo-text h2 {
    font-size: 2.7vw;
  }

  header .container .mb-contact {
    display: flex;
    gap: 2vw;
  }

  header .container a.contact .contact-btn {
    padding: 1.4vw 3vw;
    font-size: 2.8vw;
    border-radius: 999px;
  }

  #fullpage {
    width: 100vw;
    display: block;
  }

  #fullpage .fullpage-title {
    width: 80vw;
    position: relative;
    z-index: 10;
    margin: 3vw auto;
    display: block;
  }

  #fullpage .vertical-scrolling {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    overflow: hidden;
  }

  /* === 移动端视频九宫格（2 列） === */
  .mb-video-list {
    width: 94vw;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2.4vw;
    margin: 2vw auto;
  }

  .mb-video-list .video-item {
    display: block;
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    font: inherit;
    color: inherit;
    overflow: hidden;
    border-radius: 2vw;
    text-align: left;
    width: 100%;
    -webkit-tap-highlight-color: transparent;
  }

  .mb-video-list .video-item .video-thumb {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 2vw;
    aspect-ratio: 4 / 3;
    background: #1c1c1c;
  }

  .mb-video-list .video-item .video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }

  .mb-video-list .video-item .video-thumb .play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 22%;
    height: auto;
    transform: translate(-50%, -50%);
    pointer-events: none;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4));
  }

  .mb-video-list .video-item p {
    margin-top: 1.4vw;
    color: #fff;
    font-size: 2.8vw;
    line-height: 1.35;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    padding: 0 0.5vw;
  }

  .mobile-download {
    z-index: 99;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 4vw;
    padding-bottom: 6vw;
  }

  .mobile-download .download-container {
    display: flex;
    justify-content: center;
    width: 100%;
    padding: 0 3.333vw;
    gap: 2.4vw;
  }

  .mobile-download .download-container img {
    width: 80%;
    height: auto;
    cursor: pointer;
    transition: transform 0.15s ease;
  }

  .mobile-download .download-container img:active {
    transform: scale(0.96);
  }

  .mobile-download .tips-text {
    margin-bottom: 3.2vw;
    margin-top: 2.2vw;
    cursor: pointer;
  }

  .mobile-download .tips-text img {
    width: 60%;
    height: auto;
    display: block;
    margin: 4.4vw auto 2.2vw auto;
  }

  .desktop { display: none; }
}

/* ============ Loading spinner ============ */
.spinner-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.5);
}

.spinner-container .spinner {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 9px solid;
  border-color: rgba(0, 0, 0, 0.5);
  border-right-color: #e76993;
  animation: spinner-zp9dbg 1s infinite linear;
}

@keyframes spinner-zp9dbg {
  to { transform: rotate(1turn); }
}