* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
  background: #010202;
  color: #fff;
  font-family: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body { overflow-x: hidden; }

.page {
  position: relative;
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  background: #010202;
  min-height: 100vh;
  padding-bottom: 60px;
}

.topbar {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 72px;
  padding: 18px 14px 18px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 20;
}
.top-left {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #13d7ef;
  font-size: 14px;
  letter-spacing: 2px;
  line-height: 28px;
}
.top-left img { width: 17px; height: 17px; }
.top-btn {
  height: 36px;
  min-width: 120px;
  border: 0;
  border-radius: 999px;
  background: #18d8ef;
  color: #fff;
  font-size: 14px;
  line-height: 24px;
}

.hero {
  position: relative;
  height: 712px;
  padding-top: 199px;
}
.hero-glow {
  position: absolute;
  width: 362px;
  height: 712px;
  left: -2px;
  top: 1px;
  opacity: 0.42;
  filter: blur(55px);
  object-fit: cover;
}
.hero-content {
  position: relative;
  margin: 0 auto;
  text-align: center;
  z-index: 2;
}
.hero h1 {
  margin: 0;
  font-size: 56px;
  line-height: 78px;
  letter-spacing: 6px;
  font-weight: 400;
}
.hero p {
  margin: 24px 0 40px;
  font-size: 20px;
  line-height: 28px;
  letter-spacing: 4px;
  color: rgba(227, 226, 226, 0.8);
}
.hero-btn {
  width: 238px;
  height: 68px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(164deg, #81ecff 0%, #00d4ec 100%);
  box-shadow: 0 0 20px rgba(129, 236, 255, 0.4);
  color: #005762;
  font-size: 18px;
  letter-spacing: 1.8px;
}

.sell-cards {
  width: 358px;
  margin: 11px auto 0;
  background: #0e0e0e;
  padding: 96px 24px;
}
.sell-card {
  position: relative;
  border-radius: 12px;
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 32px;
  background: rgba(38, 38, 38, 0.4);
  box-shadow: inset 0 1px 0 rgba(173, 170, 170, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.sell-card:last-child { margin-bottom: 0; }
.icon-box {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #201f1f;
}
.c1 .icon-box { border: 1px solid rgba(129, 236, 255, 0.2); }
.c2 .icon-box { border: 1px solid rgba(166, 140, 255, 0.2); }
.c3 .icon-box { border: 1px solid rgba(0, 212, 236, 0.2); }
.icon-box img { width: 22.5px; height: 22.5px; object-fit: contain; }
.sell-card h3 {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 32px;
  letter-spacing: 3.6px;
  font-weight: 500;
}
.sell-card p {
  margin: 0;
  font-size: 14px;
  line-height: 20px;
  letter-spacing: 1.4px;
  color: #adaaaa;
}

.middle-visual {
  margin: 0 auto;
  width: 100%;
  height: 353px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.middle-visual > img {
  position: absolute;
  width: 100%;
}
.middle-panel {
  position: relative;
  width: 315px;
  height: 342px;
  border-radius: 12px;
  background: linear-gradient(47deg, rgba(129, 236, 255, 0.1), rgba(129, 236, 255, 0));
  filter: blur(0);
}
.lock-box {
  position: absolute;
  left: 99px;
  top: 64px;
  width: 165px;
  height: 192px;
  border: 1px solid rgba(129, 236, 255, 0.3);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lock-box img { width: 28px; height: 36px; }

.ecosystem {
  width: 327px;
  margin: 50px auto 0;
}
.ecosystem h2 {
  margin: 0;
  text-align: left;
  font-size: 36px;
  line-height: 28px;
  font-weight: 400;
}
.ecosystem h2 span { color: #81ecff; }
.ecosystem > p {
  margin: 32px 0 80px;
  color: #9f9f9f;
  font-size: 18px;
  line-height: 28px;
}
.feature { margin-bottom: 80px; }
.feature:last-child { margin-bottom: 0; }
.feature-title {
  display: flex;
  align-items: center;
  gap: 16px;
  color: rgba(227, 226, 226, 0.8);
  font-size: 16px;
  line-height: 24px;
  margin-bottom: 24px;
}
.feature-title img { width: 10.5px; height: 10.5px; }

.browser-card {
  height: 192px;
  border-radius: 12px;
  padding: 17px 16px 16px;
  position: relative;
  overflow: hidden;
}
.browser-card .bg,
.player-card .bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.browser-top {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 8px;
  align-items: center;
}
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.red { background: #fa746f; }
.yellow { background: #f4e29b; }
.blue { background: #6aa8f9; }
.search {
  flex: 1;
  height: 20px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.5);
}
.grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}
.grid i {
  display: block;
  height: 79px;
  border-radius: 8px;
  background: #fff;
}

.player-card {
  position: relative;
  height: 212px;
  border-radius: 30px;
  overflow: hidden;
}
.play-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border: 0;
  border-radius: 50%;
  background: #81ecff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.play-btn img { width: 16.5px; height: 21px; }
.progress {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 13px;
  height: 25px;
  border-radius: 16px;
  padding: 10px 17px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.progress span {
  flex: 1;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.3);
  position: relative;
}
.progress span::before {
  content: "";
  position: absolute;
  inset: 0 25% 0 0;
  background: #81ecff;
  border-radius: 999px;
}
.progress em {
  font-style: normal;
  font-size: 10px;
  color: rgba(44, 47, 48, 0.6);
  line-height: 15px;
  font-weight: 700;
}

.comic-stack {
  position: relative;
  height: 400px;
}
.comic-stack .left,
.comic-stack .right,
.comic-stack .main img {
  object-fit: cover;
  border-radius: 16px;
}
.comic-stack .left {
  position: absolute;
  width: 192px;
  height: 256px;
  left: 0;
  top: 45px;
  transform: rotate(-12deg);
  opacity: 0.5;
}
.comic-stack .right {
  position: absolute;
  width: 192px;
  height: 256px;
  right: 3px;
  top: 70px;
  transform: rotate(8deg);
  opacity: 0.7;
}
.comic-stack .main {
  position: absolute;
  left: 67px;
  top: 56px;
  width: 208px;
  height: 288px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}
.comic-stack .main img {
  width: 100%;
  height: 100%;
}
.comic-stack .main span {
  position: absolute;
  left: 16px;
  bottom: 16px;
  font-size: 14px;
  line-height: 20px;
}

button { cursor: pointer; }