* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
}

.floating-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  background: rgba(245, 241, 248, 0.98);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.floating-header.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.floating-header-inner {
  width: min(100vw, 1920px);
  margin: 0 auto;
  min-height: 78px;
  padding: 10px clamp(24px, 5.2vw, 100px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.floating-logo {
  display: inline-flex;
  line-height: 0;
}

.floating-logo img {
  width: auto;
  height: auto;
  max-width: none;
}

.floating-nav {
  display: flex;
  align-items: center;
}

.floating-nav a {
  position: relative;
  padding: 0 18px;
  color: #575757;
  text-decoration: none;
  font-size: 15px;
  line-height: 1.2;
}

.floating-nav a + a::before {
  content: "|";
  position: absolute;
  left: 0;
  color: #8a8a8a;
}

.floating-nav a:last-child {
  padding-right: 0;
}

.page {
  width: min(100vw, 1920px);
  margin: 0 auto;
}

.hero,
.feature,
.footer {
  position: relative;
}

.hero {
  width: 100%;
}

.hero-bg,
.feature img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-bg {
  height: auto;
}

.hero-download {
  position: absolute;
  left: 50%;
  bottom: clamp(16px, 3.3%, 36px);
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: clamp(8px, 0.94vw, 18px);
}

.btn {
  display: inline-flex;
  line-height: 0;
}

.btn img {
  width: clamp(188px, 22.4vw, 430px);
  height: auto;
}

.qrcode {
  width: clamp(84px, 8.75vw, 168px);
  height: auto;
}

.footer {
  min-height: clamp(120px, 11.45vw, 220px);
  padding: clamp(16px, 1.25vw, 24px) clamp(24px, 5.2vw, 100px);
  color: #b9bcc8;
  background: #17191f;
  font-size: clamp(11px, 0.73vw, 14px);
  line-height: 1.8;
}

.footer-top-links {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 2px;
}

.footer-top-links a {
  position: relative;
  padding: 0 clamp(10px, 1.04vw, 20px);
  color: #ffffff;
  text-decoration: none;
  font-size: clamp(14px, 0.94vw, 18px);
  font-weight: 500;
  line-height: 1.3;
}

.footer-top-links a:first-child {
  padding-left: 0;
}

.footer-top-links a + a::before {
  content: "|";
  position: absolute;
  left: 0;
  color: rgba(255, 255, 255, 0.45);
}

.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.footer p {
  margin: 0;
}

.footer-left {
  flex: 1;
}

.footer-app-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.footer-app-buttons a {
  display: inline-flex;
  line-height: 0;
}

.footer-app-buttons img {
  width: 94px;
  height: 30px;
}

.footer-left p + p {
  margin-top: 2px;
}

.footer-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: #ffffff;
  text-align: center;
}