/* Download page: visual hierarchy with all useful content in static HTML. */
.download-main { background: #fff; --download-ink: #14233f; --download-muted: #59677e; --download-blue: #215cf3; }
.download-main a { text-underline-offset: 4px; }
.download-hero { padding: 120px 0 0; background: radial-gradient(ellipse at 12% 10%, #e9f1ff 0, transparent 48%), linear-gradient(145deg, #f7faff, #f4f7fc 75%); border-bottom: 1px solid #e4eaf3; }
.download-hero .breadcrumb { max-width: none; margin: 0 0 44px; font-size: 13px; color: #626e83; }
.download-hero .breadcrumb a { color: #59677e; }
.download-hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: 80px; padding-bottom: 56px; }
.download-eyebrow { display: flex; align-items: center; gap: 9px; color: #2753ad; font-size: 13px; font-weight: 600; letter-spacing: 1px; margin-bottom: 24px; }
.download-status-dot { width: 7px; height: 7px; flex: 0 0 7px; border-radius: 50%; background: #288b73; box-shadow: 0 0 0 4px #288b7310; }
.download-intro h1 { color: var(--download-ink); font-size: clamp(36px, 4.2vw, 58px); font-weight: 750; line-height: 1.2; letter-spacing: -2px; margin: 0 0 24px; }
.download-intro h1 span { display: block; color: var(--download-blue); margin-top: 8px; }
.download-lead { font-size: 23px; color: var(--download-ink); font-weight: 600; margin-bottom: 16px; }
.download-summary { max-width: 520px; color: var(--download-muted); font-size: 16px; line-height: 1.95; }
.download-benefits { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 24px 0 30px; }
.download-benefits li { font-size: 12px; color: #445572; padding: 6px 11px; border: 1px solid #dbe3ef; border-radius: 6px; background: #ffffff80; }
.download-official-link { display: inline-flex; align-items: center; gap: 8px; color: #52617a; font-size: 13px; line-height: 1.8; text-decoration: none; }
.download-official-link:hover { color: var(--download-blue); text-decoration: underline; }
.release-download-panel { position: relative; background: #fff; border: 1px solid #dce5f4; border-radius: 18px; box-shadow: 0 16px 48px #163a7810; padding: 32px; }
.release-download-panel::before { content: ''; position: absolute; top: -1px; left: 32px; width: 48px; height: 3px; background: var(--download-blue); border-radius: 0 0 4px 4px; }
.release-panel-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.release-channel-label { font-size: 13px; font-weight: 600; color: #425573; }
.release-platform { color: #476287; background: #f0f4fa; border-radius: 5px; padding: 4px 10px; font-size: 12px; }
.release-version { font-size: 52px; line-height: 1.2; letter-spacing: -1.5px; color: var(--download-ink); font-weight: 700; margin: 20px 0 8px; font-variant-numeric: tabular-nums; }
.release-published { color: #65728a; font-size: 13px; }
.release-panel-divider { height: 1px; background: #e9edf4; margin: 24px 0 20px; }
.release-panel-summary { color: #536079; font-size: 14px; line-height: 1.9; }
.release-download-panel .download-cta { display: flex; align-items: center; justify-content: center; gap: 12px; margin: 24px 0 12px; padding: 15px 18px; border: 0; border-radius: 9px; background: var(--download-blue); color: #fff; font-size: 16px; font-weight: 600; min-height: 54px; box-shadow: 0 6px 16px #215cf328; }
.release-download-panel .download-cta > span { margin-left: auto; font-size: 20px; }
.release-download-panel .download-cta > svg { margin-right: auto; }
.release-download-panel .download-cta:hover { background: #154be0; transform: translateY(-1px); }
.release-panel-hint { color: #66738a; text-align: center; font-size: 12px; }
.release-check-link { display: flex; justify-content: space-between; gap: 8px; margin-top: 24px; padding-top: 18px; border-top: 1px solid #edf0f5; color: #52617a; font-size: 12px; text-decoration: none; }
.release-check-link:hover { color: var(--download-blue); }
.download-page-nav { display: flex; flex-wrap: wrap; gap: 32px; padding: 21px 0; border-top: 1px solid #dfe7f2; font-size: 13px; }
.download-page-nav a { color: #4d5b74; text-decoration: none; }
.download-page-nav a:hover { color: var(--download-blue); }
.download-content-section { padding: 64px 0; scroll-margin-top: 24px; }
.download-section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 26px; }
.download-kicker { color: #6a7890; font-size: 11px; letter-spacing: 1.5px; font-weight: 600; margin-bottom: 10px; }
.download-main h2 { color: var(--download-ink); font-size: 28px; line-height: 1.5; letter-spacing: -.5px; }
.download-section-heading > p, .download-section-heading > a { color: var(--download-muted); font-size: 13px; line-height: 1.8; }
.download-section-heading > a { text-decoration: none; }
.download-section-heading > a:hover { color: var(--download-blue); text-decoration: underline; }
.download-main .download-direct-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 0; }
.download-main .download-channel { display: flex; align-items: center; gap: 14px; padding: 24px 22px; border: 1px solid #e1e7f0; border-radius: 12px; text-decoration: none; background: #fff; transition: border-color .2s, box-shadow .2s; }
.download-main .download-channel:hover { border-color: #a7bff8; box-shadow: 0 6px 20px #244a8410; }
.channel-mark { display: grid; place-items: center; flex: 0 0 42px; height: 42px; border-radius: 11px; background: #eff4ff; color: #2863d8; font-size: 13px; font-weight: 700; }
.channel-mark-quark { background: #eff1ff; color: #5654c8; }
.channel-mark-xunlei { background: #eef8ff; color: #187daf; }
.channel-name { color: var(--download-ink); font-weight: 600; font-size: 16px; }
.channel-name small { display: block; color: #62718a; font-size: 12px; font-weight: 400; margin-top: 5px; }
.channel-arrow { color: #6c7e99; margin-left: auto; font-size: 20px; }
.download-source-strip { display: flex; gap: 12px; align-items: flex-start; background: #f6f8fc; border: 1px solid #e9edf5; border-radius: 8px; margin-top: 20px; padding: 14px 18px; }
.source-strip-icon { display: grid; place-items: center; flex: 0 0 16px; height: 16px; margin-top: 3px; border: 1px solid #7c8ba2; border-radius: 50%; color: #63748e; font-size: 11px; }
.download-source-strip p { color: #64728a; font-size: 12px; line-height: 1.9; }
.download-source-strip a { color: #315ea8; margin-left: 6px; }
.download-verification-section { padding: 0 0 8px; }
.verification-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; padding: 40px; background: #14243f; color: #d0daeb; border-radius: 16px; }
.verification-panel .download-kicker { color: #96b3e1; }
.verification-panel h2 { color: #fff; font-size: 29px; margin-bottom: 16px; }
.verification-description > p:not(.download-kicker) { color: #b4c3d9; font-size: 13px; line-height: 1.95; }
.verification-description > a { display: inline-block; margin-top: 20px; color: #bbd3ff; font-size: 13px; text-decoration: none; }
.verification-code-label { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 12px; color: #c0cee3; }
.checksum-copy { background: #253a59; color: #deebff; border: 1px solid #3e5473; border-radius: 5px; padding: 7px 10px; font-size: 11px; cursor: pointer; white-space: nowrap; }
.checksum-copy:hover { background: #314e76; }
.verification-data > .file-checksum { display: block; margin-top: 14px; font-size: clamp(14px, 1.3vw, 18px); font-weight: 500; color: #fff; line-height: 1.7; letter-spacing: .4px; }
.copy-status { min-height: 20px; font-size: 12px; color: #a4e1c4; margin: 6px 0 8px; }
.copy-status[data-state="error"] { color: #ffd3a5; }
.verification-note { font-size: 12px; color: #b4c3d9; line-height: 1.9; }
.verification-command { margin-top: 18px; padding-top: 16px; border-top: 1px solid #3b4c66; font-size: 12px; }
.verification-command summary { cursor: pointer; color: #d6e3f7; }
.verification-command p { color: #b4c3d9; margin-top: 14px; line-height: 1.8; }
.verification-command pre { overflow-x: auto; padding: 14px; margin-top: 12px; font-size: 12px; line-height: 1.8; color: #edf5ff; background: #0c192d; border-radius: 6px; }
.download-steps-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; list-style: none; margin-top: 32px; }
.download-steps-grid li { border-top: 1px solid #dfe6f0; padding-top: 24px; }
.download-step-number { font-size: 13px; color: var(--download-blue); font-weight: 600; }
.download-steps-grid h3 { margin: 14px 0 12px; color: var(--download-ink); font-size: 18px; }
.download-steps-grid p { color: #66738a; font-size: 14px; line-height: 1.95; }
.download-faq-section { background: #f6f8fc; border-top: 1px solid #e9edf4; border-bottom: 1px solid #e9edf4; }
.download-faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 70px; }
.download-faq-intro h2 { margin-bottom: 16px; }
.download-faq-intro > p:not(.download-kicker) { color: #65728a; font-size: 14px; line-height: 1.9; }
.download-faq-intro a { display: inline-block; margin-top: 20px; color: #315ea8; font-size: 13px; text-decoration: none; }
.download-faq-list details { border-bottom: 1px solid #dde4ef; }
.download-faq-list details:first-child { border-top: 1px solid #dde4ef; }
.download-faq-list summary { padding: 21px 30px 21px 0; font-size: 15px; font-weight: 600; color: #24334e; cursor: pointer; list-style: none; position: relative; }
.download-faq-list summary::-webkit-details-marker { display: none; }
.download-faq-list summary::after { content: '+'; position: absolute; right: 2px; top: 18px; color: #697d9b; font-size: 22px; font-weight: 400; }
.download-faq-list details[open] summary::after { content: '−'; }
.download-faq-list details > div { padding: 0 24px 22px 0; color: #5f6c83; font-size: 14px; line-height: 1.95; }
.download-faq-list a { color: #315ea8; }
.download-related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.download-related-grid > a { position: relative; text-decoration: none; padding: 26px; background: #fff; border: 1px solid #e2e8f1; border-radius: 12px; }
.download-related-grid > a:hover { border-color: #a7bff8; }
.download-related-grid > a > span:first-child { color: #6c7b94; font-size: 11px; }
.download-related-grid h3 { font-size: 17px; color: var(--download-ink); margin: 14px 0 10px; }
.download-related-grid p { color: #63728b; font-size: 13px; line-height: 1.8; padding-right: 14px; }
.related-arrow { color: #637fae; position: absolute; right: 22px; top: 22px; font-size: 20px; }
body:has(.download-main) footer .footer-contact a { color: #e2ebff; text-decoration: none; }
body:has(.download-main) footer .footer-bottom a { color: #cbd8ed; }
.download-dialog .download-source-note { font-size: 14px; }
.download-dialog .download-source-note span { white-space: nowrap; }
@media (min-width: 769px) and (max-width: 1100px) {
    .download-hero { padding-top: 150px; }
    .download-hero-grid { gap: 36px; }
    .verification-panel { gap: 32px; padding: 32px; }
    .download-main .download-channel { padding: 20px 16px; gap: 10px; }
}
@media (max-width: 768px) {
    .download-hero { padding-top: 100px; }
    .download-hero .breadcrumb { margin-bottom: 22px; }
    .download-hero-grid { grid-template-columns: minmax(0, 1fr); gap: 30px; padding-bottom: 32px; }
    .download-intro h1 { font-size: 38px; letter-spacing: -1.2px; margin-bottom: 18px; }
    .download-intro h1 span { display: block; margin-left: 0; }
    .download-eyebrow { margin-bottom: 14px; font-size: 12px; }
    .download-lead { font-size: 20px; margin-bottom: 10px; }
    .download-summary { max-width: none; font-size: 14px; }
    .download-benefits { margin: 16px 0; gap: 7px; }
    .download-benefits li { font-size: 11px; padding: 5px 8px; }
    .download-official-link { font-size: 12px; }
    .release-download-panel { padding: 26px; }
    .release-version { font-size: 44px; margin-top: 16px; }
    .release-panel-divider { margin: 20px 0 16px; }
    .download-page-nav { gap: 16px 24px; font-size: 12px; padding: 18px 0; }
    .download-content-section { padding: 40px 0; }
    .download-section-heading { align-items: flex-start; flex-direction: column; gap: 10px; margin-bottom: 20px; }
    .download-main h2 { font-size: 24px; }
    .download-main .download-direct-links { grid-template-columns: minmax(0, 1fr); gap: 12px; }
    .download-main .download-channel { padding: 18px 20px; }
    .download-source-strip { padding: 14px; }
    .download-source-strip a { display: inline-block; margin-left: 0; }
    .download-verification-section { padding: 0; }
    .verification-panel { grid-template-columns: minmax(0, 1fr); gap: 28px; padding: 28px 22px; }
    .verification-panel h2 br { display: none; }
    .verification-data { min-width: 0; }
    .verification-data > .file-checksum { font-size: 14px; letter-spacing: .2px; }
    .download-steps-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; margin-top: 24px; }
    .download-steps-grid li { padding-top: 20px; }
    .download-steps-grid h3 { margin: 8px 0; }
    .download-faq-layout { grid-template-columns: minmax(0, 1fr); gap: 28px; }
    .download-faq-intro h2 br { display: none; }
    .download-related-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
    .download-related-grid > a { padding: 22px; }
}
@media (max-width: 380px) {
    .download-intro h1 { font-size: 35px; }
    .download-benefits { gap: 5px; }
    .download-official-link { font-size: 11px; }
}