@charset "UTF-8";

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: #333;
  background: #f5f7fa;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

i[class^="icon-"] {
  display: inline-block;
  width: 24px;
  height: 24px;
  vertical-align: middle;
}

i.icon-menu {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48bGluZSB4MT0iMyIgeTE9IjYiIHgyPSIyMSIgeTI9IjYiLz48bGluZSB4MT0iMyIgeTE9IjEyIiB4Mj0iMjEiIHkyPSIxMiIvPjxsaW5lIHgxPSIzIiB5MT0iMTgiIHgyPSIyMSIgeTI9IjE4Ii8+PC9zdmc+Cg==") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48bGluZSB4MT0iMyIgeTE9IjYiIHgyPSIyMSIgeTI9IjYiLz48bGluZSB4MT0iMyIgeTE9IjEyIiB4Mj0iMjEiIHkyPSIxMiIvPjxsaW5lIHgxPSIzIiB5MT0iMTgiIHgyPSIyMSIgeTI9IjE4Ii8+PC9zdmc+Cg==") center / contain no-repeat;
  background-color: currentColor;
}

i.icon-close {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48bGluZSB4MT0iMTgiIHkxPSI2IiB4Mj0iNiIgeTI9IjE4Ii8+PGxpbmUgeDE9IjYiIHkxPSI2IiB4Mj0iMTgiIHkyPSIxOCIvPjwvc3ZnPgo=") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48bGluZSB4MT0iMTgiIHkxPSI2IiB4Mj0iNiIgeTI9IjE4Ii8+PGxpbmUgeDE9IjYiIHkxPSI2IiB4Mj0iMTgiIHkyPSIxOCIvPjwvc3ZnPgo=") center / contain no-repeat;
  background-color: currentColor;
}

i.icon-home {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMyA5bDktNyA5IDd2MTFhMiAyIDAgMCAxLTIgMkg1YTIgMiAwIDAgMS0yLTJ6Ii8+PHBvbHlsaW5lIHBvaW50cz0iOSAyMiA5IDEyIDE1IDEyIDE1IDIyIi8+PC9zdmc+Cg==") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMyA5bDktNyA5IDd2MTFhMiAyIDAgMCAxLTIgMkg1YTIgMiAwIDAgMS0yLTJ6Ii8+PHBvbHlsaW5lIHBvaW50cz0iOSAyMiA5IDEyIDE1IDEyIDE1IDIyIi8+PC9zdmc+Cg==") center / contain no-repeat;
  background-color: currentColor;
}

i.icon-features {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cG9seWdvbiBwb2ludHM9IjEyIDIgMTUuMDkgOC4yNiAyMiA5LjI3IDE3IDE0LjE0IDE4LjE4IDIxLjAyIDEyIDE3Ljc3IDUuODIgMjEuMDIgNyAxNC4xNCAyIDkuMjcgOC45MSA4LjI2IDEyIDIiLz48L3N2Zz4K") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cG9seWdvbiBwb2ludHM9IjEyIDIgMTUuMDkgOC4yNiAyMiA5LjI3IDE3IDE0LjE0IDE4LjE4IDIxLjAyIDEyIDE3Ljc3IDUuODIgMjEuMDIgNyAxNC4xNCAyIDkuMjcgOC45MSA4LjI2IDEyIDIiLz48L3N2Zz4K") center / contain no-repeat;
  background-color: currentColor;
}

i.icon-screenshot {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cmVjdCB4PSIzIiB5PSIzIiB3aWR0aD0iMTgiIGhlaWdodD0iMTgiIHJ4PSIyIiByeT0iMiIvPjxjaXJjbGUgY3g9IjguNSIgY3k9IjguNSIgcj0iMS41Ii8+PHBvbHlsaW5lIHBvaW50cz0iMjEgMTUgMTYgMTAgNSAyMSIvPjwvc3ZnPgo=") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cmVjdCB4PSIzIiB5PSIzIiB3aWR0aD0iMTgiIGhlaWdodD0iMTgiIHJ4PSIyIiByeT0iMiIvPjxjaXJjbGUgY3g9IjguNSIgY3k9IjguNSIgcj0iMS41Ii8+PHBvbHlsaW5lIHBvaW50cz0iMjEgMTUgMTYgMTAgNSAyMSIvPjwvc3ZnPgo=") center / contain no-repeat;
  background-color: currentColor;
}

i.icon-download {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMjEgMTV2NGEyIDIgMCAwIDEtMiAySDVhMiAyIDAgMCAxLTItMnYtNCIvPjxwb2x5bGluZSBwb2ludHM9IjcgMTAgMTIgMTUgMTcgMTAiLz48bGluZSB4MT0iMTIiIHkxPSIxNSIgeDI9IjEyIiB5Mj0iMyIvPjwvc3ZnPgo=") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMjEgMTV2NGEyIDIgMCAwIDEtMiAySDVhMiAyIDAgMCAxLTItMnYtNCIvPjxwb2x5bGluZSBwb2ludHM9IjcgMTAgMTIgMTUgMTcgMTAiLz48bGluZSB4MT0iMTIiIHkxPSIxNSIgeDI9IjEyIiB5Mj0iMyIvPjwvc3ZnPgo=") center / contain no-repeat;
  background-color: currentColor;
}

i.icon-category {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cmVjdCB4PSIzIiB5PSIzIiB3aWR0aD0iNyIgaGVpZ2h0PSI3Ii8+PHJlY3QgeD0iMTQiIHk9IjMiIHdpZHRoPSI3IiBoZWlnaHQ9IjciLz48cmVjdCB4PSIzIiB5PSIxNCIgd2lkdGg9IjciIGhlaWdodD0iNyIvPjxyZWN0IHg9IjE0IiB5PSIxNCIgd2lkdGg9IjciIGhlaWdodD0iNyIvPjwvc3ZnPgo=") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cmVjdCB4PSIzIiB5PSIzIiB3aWR0aD0iNyIgaGVpZ2h0PSI3Ii8+PHJlY3QgeD0iMTQiIHk9IjMiIHdpZHRoPSI3IiBoZWlnaHQ9IjciLz48cmVjdCB4PSIzIiB5PSIxNCIgd2lkdGg9IjciIGhlaWdodD0iNyIvPjxyZWN0IHg9IjE0IiB5PSIxNCIgd2lkdGg9IjciIGhlaWdodD0iNyIvPjwvc3ZnPgo=") center / contain no-repeat;
  background-color: currentColor;
}

i.icon-star {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cG9seWdvbiBwb2ludHM9IjEyIDIgMTUuMDkgOC4yNiAyMiA5LjI3IDE3IDE0LjE0IDE4LjE4IDIxLjAyIDEyIDE3Ljc3IDUuODIgMjEuMDIgNyAxNC4xNCAyIDkuMjcgOC45MSA4LjI2IDEyIDIiLz48L3N2Zz4K") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cG9seWdvbiBwb2ludHM9IjEyIDIgMTUuMDkgOC4yNiAyMiA5LjI3IDE3IDE0LjE0IDE4LjE4IDIxLjAyIDEyIDE3Ljc3IDUuODIgMjEuMDIgNyAxNC4xNCAyIDkuMjcgOC45MSA4LjI2IDEyIDIiLz48L3N2Zz4K") center / contain no-repeat;
  background-color: currentColor;
}

i.icon-speed {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cG9seWdvbiBwb2ludHM9IjEzIDIgMyAxNCAxMiAxNCAxMSAyMiAyMSAxMCAxMiAxMCAxMyAyIi8+PC9zdmc+Cg==") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cG9seWdvbiBwb2ludHM9IjEzIDIgMyAxNCAxMiAxNCAxMSAyMiAyMSAxMCAxMiAxMCAxMyAyIi8+PC9zdmc+Cg==") center / contain no-repeat;
  background-color: currentColor;
}

i.icon-security {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMTIgMjJzOC00IDgtMTBWNWwtOC0zLTggM3Y3YzAgNiA4IDEwIDggMTB6Ii8+PC9zdmc+Cg==") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMTIgMjJzOC00IDgtMTBWNWwtOC0zLTggM3Y3YzAgNiA4IDEwIDggMTB6Ii8+PC9zdmc+Cg==") center / contain no-repeat;
  background-color: currentColor;
}

i.icon-palette {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMTIgMi42OWw1LjY2IDUuNjZhOCA4IDAgMSAxLTExLjMxIDB6Ii8+PC9zdmc+Cg==") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMTIgMi42OWw1LjY2IDUuNjZhOCA4IDAgMSAxLTExLjMxIDB6Ii8+PC9zdmc+Cg==") center / contain no-repeat;
  background-color: currentColor;
}

i.icon-device {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cmVjdCB4PSI1IiB5PSIyIiB3aWR0aD0iMTQiIGhlaWdodD0iMjAiIHJ4PSIyIiByeT0iMiIvPjxsaW5lIHgxPSIxMiIgeTE9IjE4IiB4Mj0iMTIuMDEiIHkyPSIxOCIvPjwvc3ZnPgo=") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cmVjdCB4PSI1IiB5PSIyIiB3aWR0aD0iMTQiIGhlaWdodD0iMjAiIHJ4PSIyIiByeT0iMiIvPjxsaW5lIHgxPSIxMiIgeTE9IjE4IiB4Mj0iMTIuMDEiIHkyPSIxOCIvPjwvc3ZnPgo=") center / contain no-repeat;
  background-color: currentColor;
}

i.icon-tag {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMjAuNTkgMTMuNDFsLTcuMTcgNy4xN2EyIDIgMCAwIDEtMi44MyAwTDIgMTJWMmgxMGw4LjU5IDguNTlhMiAyIDAgMCAxIDAgMi44MnoiLz48bGluZSB4MT0iNyIgeTE9IjciIHgyPSI3LjAxIiB5Mj0iNyIvPjwvc3ZnPgo=") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMjAuNTkgMTMuNDFsLTcuMTcgNy4xN2EyIDIgMCAwIDEtMi44MyAwTDIgMTJWMmgxMGw4LjU5IDguNTlhMiAyIDAgMCAxIDAgMi44MnoiLz48bGluZSB4MT0iNyIgeTE9IjciIHgyPSI3LjAxIiB5Mj0iNyIvPjwvc3ZnPgo=") center / contain no-repeat;
  background-color: currentColor;
}

i.icon-check {
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  background-color: currentColor;
}

i.icon-arrow-right {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48bGluZSB4MT0iNSIgeTE9IjEyIiB4Mj0iMTkiIHkyPSIxMiIvPjxwb2x5bGluZSBwb2ludHM9IjEyIDUgMTkgMTIgMTIgMTkiLz48L3N2Zz4K") center / contain no-repeat;
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  background-color: currentColor;
}

i.icon-eye {
  mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJjdXJyZW50Q29sb3IiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMSAxMnM0LTggMTEtOCAxMSA4IDExIDgtNCA4LTExIDgtMTEtOC0xMS04eiIvPjxjaXJjbGUgY3g9IjEyIiBjeT0iMTIiIHI9IjMiLz48L3N2Zz4K") center / contain no-repeat;
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  background-color: currentColor;
}

i.icon-sync {
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  background-color: currentColor;
}

i.icon-lock {
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  background-color: currentColor;
}

i.icon-32 {
  width: 32px;
  height: 32px;
}

i.icon-48 {
  width: 48px;
  height: 48px;
}

i.icon-64 {
  width: 64px;
  height: 64px;
}

i.icon-white {
  background-color: #fff;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.3s;
}

header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: #009688;
  letter-spacing: 1px;
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 4px;
  align-items: center;
}

.nav-menu li a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 15px;
  color: #555;
  transition: color 0.25s, background 0.25s;
  white-space: nowrap;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: #009688;
  background: rgba(0, 150, 136, 0.08);
}

.nav-menu li a i {
  width: 18px;
  height: 18px;
}

.nav-menu li a i[class^="icon-"] {
  background-color: #555;
  transition: background-color 0.25s;
}

.nav-menu li a:hover i[class^="icon-"],
.nav-menu li a.active i[class^="icon-"] {
  background-color: #009688;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: #555;
}

section {
  padding: 80px 0;
}

#home {
  background: linear-gradient(135deg, #009688 0%, #00796B 100%);
  color: #fff;
  padding: 140px 0 100px;
  position: relative;
  overflow: hidden;
}

#home::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
}

#home::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
}

.hero {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  flex: 1;
}

.hero-content h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-content h1 span {
  display: block;
  font-size: 20px;
  font-weight: 400;
  opacity: 0.85;
  margin-top: 8px;
  letter-spacing: 2px;
}

.hero-content p {
  font-size: 17px;
  opacity: 0.9;
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: #fff;
  color: #009688;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.hero-visual {
  flex: 0 0 320px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-icon-ring {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float 6s ease-in-out infinite;
}

.hero-icon-ring img {
  width: 100px;
  height: 100px;
  border-radius: 22px;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  padding: 6px 20px;
  background: rgba(0, 150, 136, 0.1);
  color: #009688;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  color: #222;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 16px;
  color: #777;
  max-width: 600px;
  margin: 0 auto;
}

#features {
  background: #fff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: #f9fafb;
  border-radius: 16px;
  padding: 36px 28px;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid #eee;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.feature-card .card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card .card-icon.c1 { background: rgba(0, 150, 136, 0.1); color: #009688; }
.feature-card .card-icon.c2 { background: rgba(33, 150, 243, 0.1); color: #2196F3; }
.feature-card .card-icon.c3 { background: rgba(156, 39, 176, 0.1); color: #9C27B0; }
.feature-card .card-icon.c4 { background: rgba(255, 152, 0, 0.1); color: #FF9800; }
.feature-card .card-icon.c5 { background: rgba(76, 175, 80, 0.1); color: #4CAF50; }
.feature-card .card-icon.c6 { background: rgba(233, 30, 99, 0.1); color: #E91E63; }

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #222;
}

.feature-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.7;
}

#screenshots {
  background: #f5f7fa;
}

.screenshots-scroll {
  overflow-x: auto;
  display: flex;
  gap: 20px;
  padding-bottom: 20px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: #009688 #e0e0e0;
}

.screenshots-scroll::-webkit-scrollbar {
  height: 8px;
}

.screenshots-scroll::-webkit-scrollbar-track {
  background: #e0e0e0;
  border-radius: 4px;
}

.screenshots-scroll::-webkit-scrollbar-thumb {
  background: #009688;
  border-radius: 4px;
}

.screenshot-item {
  flex: 0 0 280px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
  background: #fff;
}

.screenshot-item:hover {
  transform: scale(1.03);
}

.screenshot-item img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  display: block;
}

.screenshot-item .img-label {
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 600;
  color: #444;
  text-align: center;
}

#download {
  background: #fff;
}

.download-cards {
  display: flex;
  gap: 28px;
  justify-content: center;
  flex-wrap: wrap;
}

.download-card {
  flex: 1;
  min-width: 280px;
  max-width: 420px;
  background: #f9fafb;
  border-radius: 20px;
  padding: 44px 32px;
  text-align: center;
  border: 2px solid #eee;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.download-card:hover {
  transform: translateY(-6px);
  border-color: #009688;
  box-shadow: 0 12px 32px rgba(0, 150, 136, 0.12);
}

.download-card .dl-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.download-card .dl-icon i {
  width: 64px;
  height: 64px;
}

.download-card.android .dl-icon i {
  mask: url("data:image/svg+xml;base64,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") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,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") center / contain no-repeat;
  background-color: #009688;
}

.download-card.apple .dl-icon i {
  mask: url("data:image/svg+xml;base64,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") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;base64,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") center / contain no-repeat;
  background-color: #009688;
}

.download-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #222;
}

.download-card .dl-version {
  font-size: 13px;
  color: #999;
  margin-bottom: 20px;
}

.download-card .dl-features {
  list-style: none;
  margin-bottom: 28px;
}

.download-card .dl-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #666;
  padding: 6px 0;
  justify-content: center;
}

.download-card .dl-features li i {
  width: 18px;
  height: 18px;
  background-color: #4CAF50;
}

.download-card .btn {
  background: #009688;
  color: #fff;
  width: 100%;
  justify-content: center;
  padding: 14px 28px;
}

.download-card .btn:hover {
  background: #00897B;
  box-shadow: 0 6px 20px rgba(0, 150, 136, 0.3);
}

.download-card .btn i {
  width: 20px;
  height: 20px;
  background-color: #fff;
}

#categories {
  background: #f5f7fa;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.category-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid #eee;
  cursor: pointer;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  border-color: #009688;
}

.category-card .cat-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  background: rgba(0, 150, 136, 0.08);
  color: #009688;
}

.category-card .cat-icon i {
  width: 28px;
  height: 28px;
}

.category-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: #333;
  margin-bottom: 6px;
}

.category-card p {
  font-size: 13px;
  color: #888;
}

#faq {
  background: #fff;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid #eee;
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq-item:hover {
  border-color: #009688;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: #333;
  text-align: left;
}

.faq-question i {
  width: 20px;
  height: 20px;
  background-color: #999;
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-item.open .faq-question i {
  transform: rotate(180deg);
  background-color: #009688;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s;
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}

#stats {
  background: linear-gradient(135deg, #009688 0%, #00796B 100%);
  color: #fff;
  padding: 64px 0;
}

.stats-row {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 32px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 15px;
  opacity: 0.8;
}

footer {
  background: #1a1a2e;
  color: #aaa;
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col p {
  font-size: 14px;
  line-height: 1.8;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: #999;
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: #009688;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-brand img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.footer-brand span {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid #2a2a3e;
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: #666;
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 20px;
    gap: 4px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-120%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    pointer-events: none;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-menu li a {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
  }

  .hero {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }

  .hero-content p {
    margin: 0 auto 36px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-content h1 {
    font-size: 34px;
  }

  .hero-icon-ring {
    width: 180px;
    height: 180px;
  }

  .hero-icon-ring img {
    width: 70px;
    height: 70px;
  }

  .hero-visual {
    flex: 0 0 auto;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .download-cards {
    flex-direction: column;
    align-items: center;
  }

  .download-card {
    max-width: 100%;
  }

  .stats-row {
    gap: 24px;
  }

  .stat-number {
    font-size: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  section {
    padding: 56px 0;
  }

  #home {
    padding: 120px 0 72px;
  }

  .section-header h2 {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .categories-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .category-card {
    padding: 20px 12px;
  }

  .hero-content h1 {
    font-size: 28px;
  }

  .btn {
    padding: 12px 24px;
    font-size: 14px;
  }

  .screenshot-item {
    flex: 0 0 220px;
  }

  .feature-card {
    padding: 24px 20px;
  }

  .download-card {
    padding: 28px 20px;
  }
}