/* 全局通用样式 不区分设备 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html,
body {
  width: 100%;
  height: 100vh;
  /* overflow: hidden; */
}

/* 核心：默认隐藏，JS 控制显示 */
.pc,
.mobile {
  display: none;
  width: 100%;
  height: 100vh;
  position: relative;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

/* ===================== PC 端 (基准设计稿 1920px) ===================== */
/* 1vw = 19.2px，所有尺寸按设计稿等比缩放 */
@media screen and (min-width: 768px) {
  .pc {
    display: block;
  }

  /* 导航栏 */
  .navbar {
    position: fixed;
    z-index: 9999 !important;
    width: 100%;
    height: 5.208vw; /* 100px */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 14%;
    background: #ffffff;
  }

  .navbar-left {
    display: flex;
    align-items: center;
    gap: 0.833vw; /* 16px */
  }

  .logo-icon {
    width: 3.333vw; /* 64px */
    height: 3.333vw;
    background: linear-gradient(135deg, #ff6b6b, #ffd93d);
    border-radius: 0.417vw; /* 8px */
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.042vw; /* 20px */
  }
  .logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

  .logo-text h1 {
    font-weight: 400;
    font-size: 1.667vw; /* 32px */
    color: #0c0f13;
    font-weight: bold;
  }
  .logo-text p {
    font-size: 0.938vw; /* 18px */
    color: #6c7179;
  }

  .play-icon {
    width: 10.417vw; /* 200px */
    height: 3.021vw; /* 58px */
  }
  .play-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition:
      transform 0.3s ease,
      box-shadow 0.3s ease;
  }
  /* .play-icon img:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  } */
  .hero {
    height: 66.667vw;
    background: url("https://d2731bbzmt3wpb.cloudfront.net/advertImg/site/background.png")
      no-repeat center center;
    background-size: cover;
    overflow: hidden;
    position: relative;
  }
  .hero-left {
    position: absolute;
    left: 14%;
    top: 50%;
    transform: translate(0px, -50%);
  }
  .hero-left h2 {
    font-weight: 500;
    font-size: 2.5vw; /* 48px */
    color: #ffffff;
  }

  .hero-play-icon img {
    width: 17.552vw; /* 337px */
    height: 5.208vw; /* 100px */
    margin-top: 1.979vw; /* 38px */
    margin-bottom: 2.188vw; /* 42px */
    object-fit: contain;
    transition:
      transform 0.3s ease,
      box-shadow 0.3s ease;
  }
  .hero-play-icon img:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  }

  .hero-features {
    font-size: 1.25vw; /* 24px */
    color: #eaeaea;
    margin-bottom: 1.25vw; /* 24px */
    width: 18.979167vw;
  }
  .hero-features li {
    display: flex;
    align-items: center;
    margin-bottom: 0.833vw; /* 16px */
    transition: transform 0.3s ease;
    list-style: none;
  }
  .hero-features li:nth-last-child(1) {
    /* display: flex; */
    align-items: unset;
    margin-bottom: 0.833vw; /* 16px */
    transition: transform 0.3s ease;
    list-style: none;
  }
  .hero-features li::before {
    content: "";
    background: #f4a225;
    /* background: url("assets/icon.png") no-repeat center center; */
    background-size: contain;
    width: 0.521vw; /* 1.979vw */
    height: 0.521vw;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
    margin-right: 0.417vw; /* 8px */
  }

  .hero-features li:nth-last-child(1)::before {
    /* display: flex; */
    align-items: unset;
    margin-bottom: 0.833vw; /* 16px */
    transition: transform 0.3s ease;
    list-style: none;
    margin-top: 0.417vw;
  }
  .hero-features li:hover {
    color: white;
    transform: translateX(4px);
  }
  .right-waterfall {
    z-index: 0;
    transform: rotate(10deg);
    position: absolute;
    right: 17%;
    top: 0%;
    display: flex;
    flex-wrap: wrap;
  }

  .phone-card {
    position: relative;
    width: 17.76vw; /* 341px */
    height: 36.667vw; /* 704px */
    background: #101010;
    box-shadow:
      inset -3px 0px 7px -5px #212121,
      inset 0px -2px 6px 0px #212121;
    border-radius: 2.76vw; /* 53px */
    padding: 0.781vw; /* 15px */
    margin-right: 2.604vw; /* 50px */
    margin-bottom: 1.042vw; /* 20px */
  }
  .phone-card img {
    border-radius: 2.135vw; /* 41px */
    width: 100%;
    height: 100%;
    background: #868686;
    object-fit: cover;
  }

  .phone-top-bar {
    top: 0px;
    width: 7.292vw; /* 140px */
    height: 2.083vw; /* 40px */
    position: absolute;
    background: #101010;
    border-radius: 0 0 1.563vw 1.563vw; /* 30px */
    left: 50%;
    transform: translate(-50%);
  }
  .phone-buttons {
    position: absolute;
    left: -0.208vw; /* -4px */
    top: 30%;
    transform: translate(0, -50%);
  }
  .button-power {
    width: 0.417vw; /* 8px */
    height: 1.302vw; /* 25px */
    background-color: #101010;
    border-radius: 0.521vw; /* 10px */
  }
  .button-volume-up,
  .button-volume-down {
    width: 0.417vw;
    height: 2.604vw; /* 50px */
    background-color: #101010;
    border-radius: 0.521vw;
  }
  .button-volume-up {
    margin-top: 1.302vw; /* 25px */
    margin-bottom: 1.042vw; /* 20px */
  }
  .phone-right-botton {
    position: absolute;
    right: -0.208vw; /* -4px */
    top: 25%;
  }
  .button-quick {
    width: 0.417vw;
    height: 4.167vw; /* 80px */
    background-color: #101010;
    border-radius: 0.521vw;
  }
  .phone-card:nth-child(2n) {
    margin-right: unset;
  }

  .col-track {
    display: flex;
    flex-direction: column;
    gap: 0.729vw; /* 14px */
    animation: scroll-up linear infinite;
  }
  @keyframes scroll-up {
    0% {
      transform: translateY(0);
    }
    100% {
      transform: translateY(-50%);
    }
  }
  .waterfall-col:nth-child(1) .col-track {
    animation-duration: 75s;
    animation-delay: 0s;
  }
  .waterfall-col:nth-child(2) .col-track {
    animation-duration: 75s;
    animation-delay: -25s;
  }
  .line {
    text-decoration: underline;
    text-underline-offset: 1vw;
  }
}

/* 全局通用样式 不区分设备 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html,
body {
  width: 100%;
  height: 100vh;
  /* overflow: hidden; */
  background-color: #000;
}

/* 核心：默认隐藏，JS 控制显示 */
.pc,
.mobile {
  display: none;
  width: 100%;
  height: 100%;
}
.bottom {
  padding: 2.604vw 0 1.979vw;
  left: 0;
  right: 0;
  position: absolute;
  bottom: 0;
  background: rgba(140, 140, 140, 0.1);
  border-radius: 0px 0px 0px 0px;
  border: 1px solid;
  border-image: linear-gradient(
      90deg,
      rgba(215, 215, 215, 1),
      rgba(255, 255, 255, 1),
      rgba(215, 215, 215, 1)
    )
    1 1;
  height: 12.292vw;

  background: rgba(255, 255, 255, 0.15);
  /* 磨砂模糊强度 6~12px 最佳 */
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  /* 玻璃细边框，提升通透质感 */
  border: 1px solid rgba(255, 255, 255, 0.2);
  /* 可选阴影，层次感更强 */
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}
.contact_info_title {
  text-align: center;
  font-size: 1.563vw;
  color: #e9e7e8;
  margin-bottom: 2.083vw;
}
.contact_info {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #e9e7e8;
  font-size: 0.833vw;
  line-height: 1.042vw;
  margin-bottom: 0.104vw;
}
.footer {
  padding: 2.396vw 0 1.979vw;
  width: 100%;
  background: #30302e;
  font-size: 13.997px;
}
.copyright {
  color: #8f9d8f;
  text-align: center;
  display: block;
  margin-bottom: 1.406vw;
}
.nav {
  color: #ced9ce;
  display: flex;
  justify-content: center;
  gap: 6.615vw;
}
.nav > a {
  color: #ced9ce;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-thickness: 1px; /* 粗细 */
  text-underline-offset: 6px; /* 下划线和文字距离 */
}
/* ========== 移动端专属样式 ========== */
.mobile {
  background: url("https://d2731bbzmt3wpb.cloudfront.net/advertImg/site/m_background.png")
    no-repeat center center;
  background-size: cover;
  overflow-y: auto;
}
.announce {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 4vw;
}
.bar {
  width: 100vw;
  height: 68px;
  background: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 8px;
  position: sticky;
  top: 0;
  z-index: 1;
}
.meet_icon {
  display: flex;
  align-items: center;
}
.meet_icon img {
  width: 50px;
  height: 50px;
  margin-right: 8px;
}
.google_play img {
  width: 140px;
  height: 40px;
}
.google_play {
  width: 140px;
  height: 40px;
}
.iocn-text h1 {
  font-weight: 400;
  font-size: 20px;
  color: #130b35;
}
.iocn-text text {
  font-weight: 400;
  font-size: 11px;
  color: #666666;
}

.promotional_video {
  position: relative;
  width: 62.933vw;
  height: 107.467vw;
  border-radius: 4vw;
  border: 5px solid transparent;
  background: linear-gradient(
      360deg,
      rgba(254, 163, 23, 1),
      rgba(252, 46, 94, 1)
    )
    border-box;

  /* overflow: hidden; */
  margin: 44px auto 0;
}
.promotional_video video {
  width: 100%;
  height: 100%;
  border-radius: 4vw;
}
.video-play {
  display: flex;
  align-items: center;
  justify-content: center;
  /* margin-top: 8.267vw; */
  position: relative;
  /* margin-top: -20px; */
}
.video-play .video-btn {
  /* left: 50%;
  transform: translate(-50%);
  position: relative; */
  /* width: 644px; */
  width: 100%;
  /* height: 210px; */
}
.love_icon {
  position: absolute;
  bottom: -20px;
  transform: translate(-50%, -0);
}
.video-play .video-cursor {
  position: absolute;
  transform: translate(-20%, 10%);
  right: 0;
  top: -8vw;
  width: 17.6vw;
  height: 17.6vw;
  /* background-color: yellow; */
}
.mobile .hero-features h2 {
  font-weight: bold;
  font-size: 8.533vw;
  color: #ffffff;
  margin-bottom: 2.667vw;
  text-align: center;
}
.mobile .hero-features li {
  color: #f4a225;
  font-size: 4vw;
  list-style: none;
  display: flex;
  align-items: center;
  margin-bottom: 8px;
}
.mobile .hero-features li:nth-last-child(1) {
  color: #f4a225;
  font-size: 4vw;
  list-style: none;
  display: flex;
  align-items: unset;
  margin-bottom: 8px;
}
.mobile .hero-features li::before {
  content: "";
  /* background: url("assets/icon.png") no-repeat center center; */
  background-size: contain;
  width: 2.667vw;
  height: 2.667vw;
  border-radius: 50%;
  background: #f4a225;
  display: inline-block;
  flex-shrink: 0;
  margin-right: 2.133vw;
}
.mobile .hero-features li:nth-last-child(1)::before {
  margin-top: 1.6vw;
}
.mobile .hero-features {
  /* position: absolute; */
  /* text-align: left;
  left: 50%;
  transform: translate(-50%); */
  width: 235px;
  height: 200px;
}
.video-controls {
  display: flex;
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translate(-50%);
}
.play-btn,
.back-btn,
.forward-btn {
  margin: 0 25px;
  cursor: pointer;
}
#myVideo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}
.custom-controls {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999 !important;
  display: flex;
  gap: 10px;
}
.custom-controls div {
  padding: 8px 16px;
  font-size: 3.733vw;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  pointer-events: auto !important;
}
/* Why choose Meetlive 标题模块 */
.mobile .section-title {
  margin-top: 8.533vw;
  margin-bottom: 10vw;
}
.mobile .section-title span {
  color: #f89d34;
}
.mobile .section-title h2 {
  font-size: 8.533vw;
  color: #fff;
  font-weight: 600;
}

/* Are You Ready for the Best? 大分隔标题 */
.mobile .section-big-title {
  margin: 16vw 0 10vw;
}
.mobile .section-big-title h2 {
  font-size: 10vw;
  color: #ffffff;
  line-height: 1.25;
}

/* 带橙色方块图标的功能列表通用样式 feature-orange-icon */
.mobile .hero-features.feature-orange-icon {
  width: auto;
  height: auto;
}
.mobile .hero-features.feature-orange-icon li {
  flex-direction: column;
  align-items: flex-start;
  padding-left: 12vw;
  position: relative;
  margin-bottom: 12vw;
  color: #fff;
  font-size: 6.8vw;
}
.mobile .hero-features.feature-orange-icon li::before {
  width: 10vw;
  height: 10vw;
  border-radius: 1.2vw;
  position: absolute;
  left: 0;
  top: 0.4vw;
  background-image: url(./assets/back.png);
}
.mobile .hero-features.feature-orange-icon li p {
  font-size: 4.8vw;
  color: #cccccc;
  margin-top: 2vw;
  line-height: 1.5;
}
.mobile .hero-features.feature-orange-icon li:nth-child(1)::before {
  background-image: url("./assets/react1.png");
}
.mobile .hero-features.feature-orange-icon li:nth-child(2)::before {
  background-image: url("./assets/react2.png");
}
.mobile .hero-features.feature-orange-icon li:nth-child(3)::before {
  background-image: url("./assets/react3.png");
}
.mobile .hero-features.feature-orange-icon li:nth-child(4)::before {
  background-image: url("./assets/react4.png");
}
.mobile .hero-features.feature-orange-icon li:nth-child(5)::before {
  background-image: url("./assets/react5.png");
}
.mobile .hero-features.feature-orange-icon li:nth-child(6)::before {
  background-image: url("./assets/react6.png");
}
/* Contact Info 底部联系区域适配移动端footer-contact */
.mobile .page-footer {
  margin-top: 13.333vw;
  text-align: center;
}
.mobile .footer-contact {
  background: #1f1f1f;
  padding: 8vw 0 8vw;
}
.mobile .footer-contact h3 {
  font-size: 4.8vw;
  color: #e9e7e8;
  margin-bottom: 4vw;
  font-weight: normal;
}
.mobile .footer-contact address {
  font-style: normal;
  font-size: 4.267vw;
  color: #c3c3c3;
  line-height: 1.6;
  text-align: center;
}
.mobile .footer-contact address p {
  margin-top: 3.2vw;
}
.mobile .footer-contact address br + span {
  text-decoration: underline;
  text-underline-offset: 2vw;
}

.mobile .footer-nav {
  display: flex;
  justify-content: center;
  gap: 15.2vw;
}
.mobile .footer-nav a {
  color: #ced9ce;
  font-size: 3.733vw;
  text-decoration: underline;
  text-underline-offset: 1vw;
}
.mobile .footer-copyright {
  padding: 5.867vw 0 9.867vw;
  background: #30302e;
}
.mobile .footer-copyright small {
  font-size: 3.733vw;
  color: #8f9d8f;
  display: block;
  margin-bottom: 18px;
}

/* 下载按钮点击按压动效 */
.downApp-btn {
  cursor: pointer;
  transition: transform 0.18s ease;
}
.downApp-btn:active {
  transform: scale(0.95);
}
.underline {
  text-decoration: underline;
  text-underline-offset: 0.5vw;
}
.choose-btn {
  width: 100px;
  height: 100px;
  margin: 10.667vw 0 0;
}
.meet-btn {
  width: 100%;
  margin-top: 14.533vw;
  /* height: 16.533vw; */
  /* background: #3655fe;
  box-shadow: 0vw 0vw 1.6vw 0.533vw #25399a;
  border-radius: 999px 999px 999px 999px;
  font-size: 18px;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 14.533vw; */
  /* animation: scaleBreath 2s ease-in-out infinite; */
}
@keyframes scaleBreath {
  0% {
    transform: scale(0.95);
  }
  50% {
    transform: scale(1); /* 放大1.15倍，数值越大放得越大 */
  }
  100% {
    transform: scale(0.95);
  }
}

@keyframes cursorTransform {
  0% {
    transform: translate(0px, 0px);
  }
  50% {
    transform: translate(-10px, 10px);
  }
  100% {
    transform: translate(0px, 0px);
  }
}