:root{font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#17243a;background:#fff;font-synthesis:none;--blue:#2568ef;--muted:#6c7789;--border:#e5eaf1}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,select{font:inherit}button,a,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid #8bb5ff;outline-offset:4px}[hidden]{display:none!important}.wrap{width:min(1100px,calc(100% - 64px));margin:auto}header{border-bottom:1px solid var(--border);background:#fff}.nav{height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:750;letter-spacing:.02em}.brand-tail{font-size:16px;font-weight:500;margin-left:-6px;color:#6c7789}.brandmark{width:36px;height:36px;display:block;flex-shrink:0;object-fit:contain}nav{display:flex;gap:32px;font-size:14px;color:#647086}nav .current{color:var(--blue);font-weight:650}.intro{padding:52px 0 30px}.eyebrow,.section-label{font-size:12px;letter-spacing:.13em;font-weight:650;color:var(--blue)}.eyebrow{letter-spacing:.05em}h1{font-size:40px;letter-spacing:-.025em;line-height:1.35;margin:14px 0 12px;font-weight:750}h2{font-size:24px;line-height:1.4;margin:6px 0 8px;letter-spacing:-.025em}p{margin:0}.intro>p{color:var(--muted);font-size:17px}.feature-pills{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:22px;color:#5b677b;font-size:14px}.feature-pills b{color:var(--blue);font-size:18px;margin-right:6px}.primary{background:var(--blue);border:1px solid var(--blue);color:#fff;padding:12px 24px;border-radius:8px;font-size:15px;font-weight:600;min-height:48px}.primary:hover{background:#1857d4}.selector label{display:flex;flex-direction:column;gap:7px;font-size:13px;color:#5c6e89}.selector select{width:206px;max-width:100%;background:#fff;border:1px solid #d7e2f3;border-radius:7px;color:#263956;font-size:14px;padding:9px 30px 9px 11px;min-height:42px}.detect-note{font-size:12px;color:#71819a;margin-top:11px}.downloads{padding-top:44px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-heading h2{margin:6px 0 0}.section-heading>p{font-size:14px;color:var(--muted);padding-bottom:2px}.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.download-card{border:1px solid var(--border);border-radius:12px;padding:26px 24px 18px;display:flex;flex-direction:column;transition:border-color .2s,box-shadow .2s}.download-card.is-recommended{border-color:#87adf8;box-shadow:0 0 0 2px #eaf1ff}.card-head{display:flex;align-items:center;gap:13px;margin-bottom:20px;height:37px}.os-icon{color:var(--blue);width:36px;height:36px;border-radius:8px;background:#eef4ff;flex-shrink:0}.windows{display:grid;grid-template-columns:repeat(2,8px);grid-template-rows:repeat(2,8px);justify-content:center;align-content:center;gap:3px}.windows i{background:var(--blue)}.mac{font-size:22px;font-weight:650;text-align:center;line-height:36px}.card-kicker{font-size:12px;letter-spacing:.06em;color:#7a8698}.compat-tag{margin-left:5px;padding:3px 6px;border-radius:4px;background:#f0f2f5;font-size:11px;letter-spacing:0}.download-card h3{font-size:22px;margin:0 0 5px;line-height:1.4}.requirements{font-size:14px;color:#65738a}.card-body{padding:24px 0 20px;flex:1}.extra-feature{display:flex;gap:8px;align-items:flex-start}.extra-feature>span{color:var(--blue);font-size:18px}.extra-feature strong{font-size:14px;font-weight:600}.extra-feature p{font-size:13px;color:#7b8597;margin-top:4px;line-height:1.7}.card-desc{font-size:14px;color:#6c7789;line-height:1.85}.support{margin-top:18px;font-size:12px;color:#8992a2}.download-options{min-height:108px;display:flex;flex-direction:column;justify-content:flex-end;gap:10px}.download-button{width:100%;min-height:47px;border:1px solid #d9e5fa;background:#f6f9ff;border-radius:7px;color:#2361dc;font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:6px;padding:10px 8px}.download-button:hover{background:#eaf2ff;border-color:#93b5f5}.download-button.selected{background:var(--blue);color:white;border-color:var(--blue)}.recommend-badge{font-size:10px;padding:1px 4px;border-radius:3px;background:#ffffff30;font-weight:500}.card-note{text-align:center;color:#8b95a6;font-size:12px;margin-top:14px}.release-notice{display:flex;gap:8px;color:#7b8697;margin-top:17px;font-size:12px;align-items:center}.release-notice>span{font-size:15px}.features{padding-top:46px}.table-wrap{border:1px solid var(--border);border-radius:10px;overflow:hidden}table{border-collapse:collapse;width:100%;text-align:left;font-size:14px}thead{background:#f8fafc;color:#68748a}th,td{padding:15px 24px;border-bottom:1px solid #edf0f5;font-weight:400}thead th{font-weight:600;font-size:13px}tbody th{width:50%;font-weight:500}tbody tr:last-child>*{border-bottom:0}.check{color:var(--blue);margin-right:7px;font-weight:700}.muted{color:#939cab}.help{padding:46px 0 58px}details{border-bottom:1px solid var(--border)}summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;padding:18px 2px;font-size:15px;font-weight:500}summary::-webkit-details-marker{display:none}summary span{font-size:20px;color:#8f9aad;font-weight:400}details[open] summary span{transform:rotate(45deg)}details p{font-size:14px;line-height:1.9;color:#69768b;max-width:850px;padding:0 2px 20px}dialog{border:1px solid var(--border);border-radius:14px;padding:32px;max-width:440px;width:calc(100% - 40px);color:#17243a;box-shadow:0 20px 80px #17243a25}dialog::backdrop{background:#17243a55}dialog h2{font-size:24px;margin:12px 0}dialog p{color:#6c7789;font-size:15px;line-height:1.9}dialog .primary{margin-top:24px;width:100%}.dialog-close{position:absolute;right:14px;top:10px;background:none;border:0;color:#8290a4;font-size:26px}
@media(max-width:950px){.download-grid{gap:12px}.download-card{padding:23px 18px}.card-kicker{font-size:11px}.extra-feature p{font-size:12px}.support{line-height:1.8}.brand-tail{display:none}}
@media(max-width:700px){.wrap{width:calc(100% - 36px)}.nav{height:70px;gap:12px}.brand{font-size:18px;gap:8px}.brandmark{width:31px;height:31px;border-radius:8px;padding:8px}nav{gap:15px;font-size:12px}nav a:last-child{display:none}.intro{padding:36px 0 26px}h1{font-size:29px;margin-top:12px}.intro>p{font-size:15px}.feature-pills{gap:16px;font-size:12px;margin-top:18px}.feature-pills b{font-size:16px;margin-right:4px}.downloads,.features{padding-top:34px}.section-heading{margin-bottom:18px}.section-heading>p{display:none}.section-heading h2{font-size:22px}.download-grid{grid-template-columns:1fr;gap:16px}.download-card{padding:23px}.card-head{margin-bottom:13px}.card-body{padding:18px 0}.download-options{min-height:auto}.download-card h3{font-size:22px}.support{font-size:12px;margin-top:12px}.card-note{margin-top:12px}.extra-feature p{font-size:13px}.release-notice{font-size:12px}th,td{padding:13px 12px;font-size:13px}thead th{font-size:12px}tbody th{width:46%}.check{margin-right:3px}.help{padding:34px 0 38px}summary{font-size:14px}dialog{padding:26px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.feature-description{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:3px}

.download-contact{margin-left:auto;color:var(--blue);font-size:13px}.release-notice{flex-wrap:wrap}
@media(max-width:700px){nav a[href="#help"]{display:none}nav .contact-nav:last-child{display:block}.download-contact{margin:5px 0 0;width:100%}}
.mac-guide{padding:0 2px 24px}.mac-guide h3{font-size:16px;margin:20px 0 12px;color:#34455f}.mac-guide>p{padding:0 0 6px}.guide-table{overflow-x:auto}.guide-table table{min-width:540px}.guide-table tbody th{width:auto}.guide-table th,.guide-table td{padding:13px 18px}.guide-table thead th{white-space:nowrap}.mac-guide .guide-note{font-size:13px;margin:12px 0 0;max-width:none;color:#748198}.guide-note a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.chip-table table{min-width:500px}.guide-example{margin-top:18px;background:#f3f7ff;border-radius:8px;padding:16px 18px;font-size:14px}.guide-example strong{color:#2561ca;font-size:13px}.guide-example p{padding:5px 0 0;color:#435779}.guide-table:focus-visible{outline:3px solid #8bb5ff;outline-offset:3px}
@media(max-width:700px){.guide-table th,.guide-table td{padding:12px;font-size:13px}.mac-guide h3{font-size:15px}.mac-guide .guide-note{font-size:12px}.guide-example{padding:14px}.guide-example p{font-size:13px}}
.package-download{display:flex;flex-direction:column;gap:7px}.package-meta,.recommended-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:#7c899d}.backup-link{color:var(--blue);font-size:12px}.backup-link:hover{text-decoration:underline;text-underline-offset:3px}.download-options{min-height:152px;gap:15px}@media(max-width:700px){.download-options{min-height:auto}}
.recommend {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 35%);
  align-items: center;
  gap: 30px;
  padding: 20px 20px 20px 30px;
  border: 1px solid #dce7fb;
  border-radius: 14px;
  background: #f3f7ff;
}

.recommend-content h2 {
  margin-top: 8px;
  font-size: 25px;
}

#recommend-copy {
  color: #63748f;
  font-size: 14px;
}

.selector {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
  padding-top: 15px;
  border-top: 1px solid #dce7fb;
}

.selector label {
  flex: 0 1 170px;
  min-width: 0;
}

.selector select {
  width: 100%;
}

.recommend-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  margin-top: 13px;
  font-size: 12px;
  color: var(--blue);
}

.recommend-links a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.price-card {
  padding: 20px 22px 18px;
  border: 1px solid #cbdcfc;
  border-radius: 12px;
  background: linear-gradient(155deg, #fff 42%, #f8faff);
  box-shadow: 0 4px 16px #224f9c0a;
}

.price-card h2 {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin: 0;
}

.price-label {
  font-size: 13px;
  letter-spacing: .04em;
  color: #416090;
}

.price-amount {
  font-size: 52px;
  font-weight: 750;
  line-height: 1;
  letter-spacing: -.045em;
  color: #1f5bd2;
}

.price-currency {
  margin-right: 3px;
  font-size: .55em;
}

.price-terms {
  margin-top: 8px;
  font-size: 14px;
  color: #354b6d;
}

.price-download {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-top: 16px;
}

.price-note {
  margin-top: 9px;
  color: #596b85;
  font-size: 12px;
  text-align: center;
}

@media (max-width: 820px) {
  .recommend {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    padding: 16px;
  }

  .recommend-content h2 {
    font-size: 22px;
  }

  .selector label {
    flex: 1 1 130px;
    max-width: 220px;
  }

  .price-card {
    padding: 16px;
  }

  .price-amount {
    font-size: 46px;
  }
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin: 0 0 52px;
  padding: 32px 38px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #f8faff;
}

.contact-copy h2 {
  margin: 10px 0 12px;
  font-size: 27px;
}

.contact-copy > p {
  color: var(--muted);
  font-size: 15px;
}

.contact-benefit {
  margin: 17px 0;
  color: #435779;
  font-size: 14px;
}

.contact-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.contact-copy > .contact-fallback {
  margin-top: 12px;
  color: #7c899d;
  font-size: 12px;
}

.contact-qr {
  flex: 0 0 194px;
  margin: 0;
  text-align: center;
}

.contact-qr img {
  display: block;
  width: 194px;
  height: auto;
  border: 1px solid #e5eaf1;
  border-radius: 10px;
  background: #fff;
}

.contact-qr figcaption {
  margin-top: 9px;
  color: #69768b;
  font-size: 12px;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: baseline;
  gap: 12px 20px;
  padding: 18px 0 24px;
  border-top: 1px solid var(--border);
  color: #596b85;
  font-size: 12px;
}

.footer-brand {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 18px;
}

.footer-brand strong {
  color: #34455f;
  font-size: 14px;
  font-weight: 650;
}

.footer-icp {
  text-align: center;
}

.footer-top {
  justify-self: end;
  white-space: nowrap;
}

.site-footer a:hover {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 700px) {
  .contact {
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
    margin-bottom: 36px;
    padding: 24px 20px;
  }

  .contact-copy h2 {
    font-size: 24px;
  }

  .contact-copy > p {
    font-size: 14px;
  }

  .contact-button {
    width: 100%;
  }

  .contact-qr {
    flex: none;
    align-self: center;
  }
}

@media (max-width: 800px) {
  .site-footer {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .footer-icp {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}