:root {
  color: #132039;
  background: #f7f9fc;
  font-family: "Microsoft YaHei UI","PingFang SC",system-ui,sans-serif;
  font-synthesis: none;
  --ink: #132039;
  --muted: #536680;
  --blue: #2159d1;
  --line: #dfe7f0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

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

a:focus-visible {
  outline: 3px solid #70a5ff;
  outline-offset: 4px;
}

.shell {
  width: min(1100px,calc(100% - 72px));
  margin-inline: auto;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  color: #fff;
  background: #235bd2;
  font-size: 25px;
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 600;
  color: #435773;
}

nav a:hover {
  color: var(--blue);
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: 292px;
  margin-top: 34px;
  overflow: hidden;
  display: flex;
  align-items: center;
  border-radius: 24px;
  background: linear-gradient(106deg,#142c68 0%,#163e96 68%,#2060d3 100%);
  color: #fff;
  padding: 46px clamp(28px,6vw,70px);
}

.hero-copy {
  z-index: 1;
  max-width: 520px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: #bdd6ff;
  font-size: 13px;
  letter-spacing: .13em;
  font-weight: 750;
}

.eyebrow span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #8fbcff;
}

.hero h1 {
  margin: 12px 0 10px;
  font-size: clamp(40px,6vw,64px);
  line-height: 1.15;
  letter-spacing: -.055em;
}

.hero-copy>p:not(.eyebrow) {
  margin: 0 0 24px;
  color: #dfeaff;
  font-size: 15px;
  line-height: 1.65;
}

.hero-link {
  display: inline-flex;
  gap: 14px;
  align-items: center;
  border-radius: 9px;
  background: #fff;
  color: #1b4ba8;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 750;
}

.hero-link:hover {
  background: #eaf2ff;
}

.hero-visual {
  position: absolute;
  right: 8%;
  top: 50%;
  width: 250px;
  height: 250px;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
}

.orbit {
  position: absolute;
  border: 1px solid #a3c7ff55;
  border-radius: 50%;
}

.orbit-wide {
  width: 244px;
  height: 244px;
}

.orbit-tight {
  width: 188px;
  height: 188px;
}

.hero-tile {
  display: grid;
  place-items: center;
  width: 108px;
  height: 108px;
  border-radius: 27px;
  transform: rotate(-9deg);
  background: #7fb4ff48;
  border: 1px solid #bddeff90;
  box-shadow: 0 16px 50px #0b266e70;
  color: #fff;
}

.hero-tile svg {
  width: 52px;
  height: 52px;
  transform: rotate(9deg);
}

.spark {
  position: absolute;
  right: 18px;
  top: 28px;
  color: #b5d9ff;
  font-size: 23px;
}

.spark-bottom {
  left: 18px;
  top: auto;
  bottom: 36px;
  font-size: 16px;
}

.site-notice {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  padding: 15px 19px;
  border: 1px solid #dbe7fb;
  background: #eff5ff;
  border-radius: 12px;
  color: #1c478d;
}

.site-notice p,.software-notice,.description {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.site-notice p {
  margin: 4px 0 0;
  color: #344c70;
}

.catalog {
  margin: 36px 0 40px;
  scroll-margin-top: 20px;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.section-heading h2,.support h2 {
  margin: 0;
  font-size: 23px;
  letter-spacing: -.02em;
}

.section-heading>span {
  font-size: 13px;
  color: var(--muted);
  background: #edf2f9;
  border-radius: 20px;
  padding: 4px 10px;
}

.software-grid {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 16px;
}

.software-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 24px #18366206;
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.software-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  flex: none;
  overflow: hidden;
  border-radius: 13px;
  background: #e8f1ff;
  color: #245dcc;
  font-size: 24px;
  font-weight: 800;
}

.software-card:nth-child(3n+2) .software-icon {
  background: #edf0ff;
  color: #504acc;
}

.software-card:nth-child(3n) .software-icon {
  background: #dff5ef;
  color: #187762;
}

.software-icon img {
  object-fit: contain;
}

.version {
  max-width: 65%;
  overflow-wrap: anywhere;
  padding: 5px 8px;
  border-radius: 7px;
  background: #edf3fc;
  font: 600 12px ui-monospace,monospace;
  color: #3b5d96;
}

.software-card h3 {
  margin: 14px 0 6px;
  font-size: 19px;
  overflow-wrap: anywhere;
}

.description {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0 0 14px;
}

.software-notice {
  font-size: 13px;
  line-height: 1.55;
  color: #3b5378;
  margin: 0 0 13px;
  padding: 9px 11px;
  border-radius: 8px;
  background: #f3f6fc;
}

.software-notice strong {
  display: block;
  margin-bottom: 2px;
}

.card-action {
  margin-top: auto;
  padding-top: 8px;
}

.download {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border-radius: 8px;
  background: #2258ca;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 9px 13px;
}

.download:hover {
  background: #1845a9;
}

.download.unavailable {
  background: #eef2f7;
  color: #5d6e85;
}

.empty {
  padding: 38px 24px;
  text-align: center;
  border: 1px dashed #ccd9eb;
  border-radius: 16px;
  background: #fff;
  color: var(--muted);
}

.empty>span {
  display: inline-grid;
  place-items: center;
  background: #eaf1ff;
  color: #235ac4;
  width: 45px;
  height: 45px;
  border-radius: 12px;
  font-size: 24px;
}

.empty h3 {
  margin: 11px 0 4px;
  color: var(--ink);
}

.empty p {
  margin: 0;
  font-size: 14px;
}

.support {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  margin-bottom: 38px;
  scroll-margin-top: 20px;
}

.support p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.support dl {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin: 0;
  min-width: 0;
}

.support dl div {
  min-width: 0;
}

.support dt {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 5px;
}

.support dd {
  margin: 0;
  font-weight: 650;
  font-size: 14px;
  overflow-wrap: anywhere;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 20px 0;
  color: var(--muted);
  font-size: 13px;
}

.site-footer span {
  padding: 0 5px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

@media(max-width:780px) {
  .shell {
    width: calc(100% - 40px);
  }
  .hero-visual {
    right: 3%;
    transform: translateY(-50%) scale(.82);
  }
  .software-grid {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }
}

@media(max-width:520px) {
  .shell {
    width: calc(100% - 28px);
  }
  .header-inner {
    min-height: 62px;
  }
  .brand {
    font-size: 14px;
    gap: 8px;
  }
  .brand-mark {
    width: 30px;
    height: 30px;
    font-size: 20px;
  }
  nav {
    gap: 12px;
    font-size: 12px;
  }
  .hero {
    min-height: 250px;
    margin-top: 19px;
    padding: 26px 23px;
    border-radius: 18px;
  }
  .hero-visual {
    right: -82px;
    opacity: .36;
  }
  .software-grid {
    grid-template-columns: minmax(0,1fr);
  }
  .catalog {
    margin-top: 27px;
  }
}