@charset "UTF-8";

:root {
  color-scheme: light;
  --ink: #24344b;
  --muted: #5d6d82;
  --quiet: #5f7086;
  --blue: #2864c5;
  --blue-hover: #1e53a8;
  --line: #e2eaf3;
  --paper: #f4f8fd;
  --blue-soft: #eaf2ff;
  --radius: 12px;
  font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-synthesis: none;
  font-size: 15px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  color: var(--ink);
  background: white;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
button,
a {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: wait;
}
img {
  display: block;
  max-width: 100%;
}
svg {
  width: 20px;
  height: 20px;
  display: inline-block;
  flex: 0 0 auto;
  vertical-align: middle;
}
p {
  line-height: 1.85;
}
:focus-visible {
  outline: 3px solid #7aa8e8;
  outline-offset: 4px;
}
[hidden] {
  display: none !important;
}
.wrap {
  width: min(1280px, calc(100% - 96px));
  margin-inline: auto;
}
.skip-link {
  position: fixed;
  top: 8px;
  left: 16px;
  z-index: 100;
  padding: 12px 20px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 7px;
  transform: translateY(-150%);
}
.skip-link:focus {
  transform: translateY(0);
}

/* Shared navigation and controls. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #fffffffa;
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: 78px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
}
.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}
.brand > span {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 24px;
  font-weight: 650;
  letter-spacing: 0.5px;
}
.brand small {
  color: var(--quiet);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.6px;
}
.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 27px;
}
.site-nav a {
  padding-block: 15px;
  font-size: 14px;
  color: #526178;
  white-space: nowrap;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--blue);
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  min-height: 49px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 15px;
  font-weight: 550;
  line-height: 1.4;
  transition:
    background 0.18s,
    border-color 0.18s;
}
.button-primary {
  background: var(--blue);
  color: white;
}
.button-primary:hover {
  background: var(--blue-hover);
}
.button-secondary {
  color: var(--ink);
  background: white;
  border-color: #d4dfed;
}
.button-secondary:hover {
  background: var(--paper);
  border-color: #b4c9e6;
}
.button-text {
  color: #4e6684;
  background: transparent;
}
.button-text:hover {
  background: var(--blue-soft);
}
.header-download {
  min-height: 41px;
  padding: 10px 16px;
  font-size: 13px;
}
.header-download svg {
  width: 17px;
  height: 17px;
}
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 42px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: white;
  color: var(--ink);
}
.inline-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 500;
  color: var(--blue);
  line-height: 1.8;
}
.inline-link svg {
  width: 17px;
  height: 17px;
}
.inline-link:hover {
  color: var(--blue-hover);
}
.eyebrow {
  color: var(--blue);
  font-size: 13px;
  font-weight: 550;
  letter-spacing: 0.8px;
  margin: 0 0 16px;
  line-height: 1.6;
}
.fine-print {
  color: var(--quiet);
  font-size: 13px;
  line-height: 1.85;
}
.mobile-entry {
  display: none;
  align-items: center;
  gap: 7px;
  margin-top: 17px;
  font-size: 14px;
  color: var(--blue);
  line-height: 1.8;
}
.mobile-entry svg {
  width: 17px;
  height: 17px;
}
.status-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: #4e86d8;
  border-radius: 50%;
}

/* A single, balanced first screen; product screenshots remain unmodified. */
.hero {
  overflow: hidden;
  padding-block: 78px 70px;
  background: #f5f9ff;
  border-bottom: 1px solid #eaf0f8;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.25fr);
  align-items: center;
  gap: 48px;
}
.hero-intro {
  text-align: left;
  min-width: 0;
}
.version-pill {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  border: 1px solid #dce7f7;
  border-radius: 20px;
  background: white;
  color: #506782;
  font-size: 12px;
  padding: 7px 12px;
  line-height: 1.6;
}
.version-pill > span:last-child {
  color: var(--blue);
  margin-left: 3px;
}
.hero-eyebrow {
  color: #59728e;
  font-size: 12px;
  letter-spacing: 1px;
  margin: 25px 0 16px;
}
.hero h1 {
  font-size: clamp(48px, 4.1vw, 60px);
  font-weight: 650;
  letter-spacing: -1.2px;
  line-height: 1.25;
  margin: 0;
}
.hero h1 > span {
  display: block;
  color: var(--blue);
  margin-top: 6px;
}
.hero-description {
  color: #566b85;
  font-size: 16px;
  line-height: 1.95;
  margin: 24px 0 26px;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-meta {
  color: var(--quiet);
  font-size: 12px;
  margin: 17px 0 0;
  line-height: 1.85;
}
.hero-meta > span {
  color: #a1afc1;
  margin-inline: 6px;
}
.product-wrap {
  min-width: 0;
  padding: 0;
}
.product-stage {
  padding: 0;
  border: 1px solid #d4e2f3;
  border-radius: 11px;
  overflow: hidden;
  background: white;
  box-shadow: 0 14px 35px #4772b00a;
}
.preview-toolbar {
  display: flex;
  justify-content: flex-end;
  gap: 14px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  background: white;
}
.preview-label {
  display: none;
}
.preview-tabs {
  display: flex;
  gap: 5px;
  width: 100%;
}
.preview-tab {
  flex: 1;
  min-height: 40px;
  padding: 9px 12px;
  font-size: 13px;
  line-height: 1.5;
  border: 0;
  border-radius: 5px;
  background: white;
  color: #526b8b;
}
.preview-tab.active {
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 550;
}
.preview-tab:hover {
  background: var(--paper);
}
.preview-image-frame,
.feature-image-link {
  display: block;
  position: relative;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 1668 / 1000;
  background: #f4f8fd;
}
.preview-image-link {
  display: block;
  position: absolute;
  inset: 0;
  cursor: zoom-in;
}
.preview-image-frame img,
.feature-image-link img {
  position: absolute;
  left: -0.5%;
  top: 0;
  width: 101%;
  height: auto;
  max-width: none;
  transform: translateY(-3.6%);
}
.preview-caption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: start;
  gap: 10px;
  padding: 13px 0 0;
  font-size: 12px;
  color: var(--quiet);
  line-height: 1.8;
}
.preview-caption > span {
  flex: 1;
  min-width: 0;
}
.preview-open {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--blue);
  white-space: nowrap;
}
.preview-open svg {
  width: 15px;
  height: 15px;
}
.capabilities {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-block: 27px;
  border-bottom: 1px solid var(--line);
}
.capabilities > div {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 13px;
  border-right: 1px solid var(--line);
  font-size: 14px;
  color: #4d6079;
  font-weight: 500;
}
.capabilities > div:first-child {
  justify-content: start;
}
.capabilities > div:last-child {
  justify-content: end;
  border-right: 0;
}
.capabilities span {
  font-size: 12px;
  color: #607693;
  font-weight: 400;
}

/* Product story: consistent headings, readable copy, restrained surfaces. */
.section {
  padding-block: 80px;
}
h2 {
  margin: 0;
  font-size: clamp(30px, 2.6vw, 36px);
  line-height: 1.5;
  letter-spacing: -0.5px;
  font-weight: 600;
}
.section-heading {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 19px;
  margin-bottom: 34px;
}
.section-intro {
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 750px;
  margin: 0;
}
.section-intro br {
  display: none;
}
.search-story {
  padding: 31px 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}
.search-illustration {
  width: min(640px, 100%);
  margin: auto;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid #dbe6f4;
  border-radius: 7px;
  background: #fbfdff;
  color: #607690;
  font-size: 14px;
}
.search-illustration > svg {
  color: #6b8eb8;
}
.search-key {
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 12px;
  padding: 2px 6px;
  white-space: nowrap;
}
.illustration-label {
  display: block;
  color: var(--quiet);
  font-size: 12px;
  text-align: center;
  margin-top: 9px;
}
.search-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 0;
}
.line-icon {
  display: inline-flex;
  color: var(--blue);
  margin-bottom: 13px;
}
.line-icon svg {
  width: 23px;
  height: 23px;
}
.search-steps h3 {
  font-size: 18px;
  font-weight: 550;
  margin: 0 0 11px;
}
.search-steps p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.85;
  margin: 0;
}
.section-bottom-link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-top: 22px;
  color: var(--quiet);
  font-size: 13px;
}
.standards-section {
  padding-block: 76px;
  background: var(--paper);
  border-block: 1px solid #eaf0f8;
}
.split-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.15fr);
  align-items: center;
  gap: 64px;
}
.feature-copy h2 {
  font-size: 34px;
}
.feature-copy h2 > span {
  color: var(--ink);
}
.feature-copy > p:not(.eyebrow):not(.fine-print) {
  color: var(--muted);
  font-size: 15px;
  margin: 21px 0;
  max-width: 490px;
}
.check-list {
  list-style: disc;
  padding-left: 20px;
  margin: 23px 0;
  display: grid;
  gap: 12px;
}
.check-list li {
  padding-left: 3px;
  position: relative;
  color: #526b85;
  font-size: 14px;
  line-height: 1.85;
}
.feature-copy .fine-print {
  margin-top: 20px;
}
.feature-screenshot {
  margin: 0;
  min-width: 0;
}
.feature-image-link {
  border: 1px solid #d3e0f0;
  border-radius: 8px;
  cursor: zoom-in;
}
.feature-screenshot figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin-top: 13px;
  color: var(--quiet);
  font-size: 12px;
  line-height: 1.8;
}
.feature-screenshot figcaption a {
  color: var(--blue);
}
.workspace-section {
  padding-block: 80px;
  background: white;
  color: var(--ink);
}
.workspace-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-top: 34px;
}
.workspace-columns article {
  display: flex;
  flex-direction: column;
  align-items: start;
  min-width: 0;
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}
.workspace-symbol {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 9px;
  background: var(--blue-soft);
  color: var(--blue);
  margin-bottom: 22px;
}
.workspace-symbol svg {
  width: 24px;
  height: 24px;
}
.workspace-index {
  color: #5d7491;
  font-size: 12px;
  letter-spacing: 0.3px;
}
.workspace-columns h3 {
  color: var(--ink);
  font-size: 21px;
  font-weight: 550;
  line-height: 1.55;
  margin: 13px 0;
}
.workspace-columns p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.85;
  margin: 0 0 24px;
}
.workspace-columns a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  color: var(--blue);
  font-size: 14px;
}
.workspace-columns a svg {
  width: 17px;
  height: 17px;
}
.workspace-columns small {
  font-size: 12px;
  line-height: 1.85;
  color: var(--quiet);
  margin-top: 18px;
}
.start-section {
  border-top: 1px solid var(--line);
}
.start-section .section-heading {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.start-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 42px;
  list-style: none;
  padding: 0;
  margin: 35px 0 0;
}
.start-steps > li {
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.start-steps > li > span {
  color: #5f83b8;
  font-size: 26px;
  font-weight: 400;
}
.start-steps h3 {
  font-size: 18px;
  font-weight: 550;
  margin: 15px 0 10px;
}
.start-steps p {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
}
.start-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-top: 25px;
}
.start-foot p {
  font-size: 13px;
  color: var(--quiet);
  margin: 0;
}
.support-section {
  padding-bottom: 76px;
}
.support-banner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 76px;
  align-items: center;
  padding: 40px 46px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.support-banner h2 {
  font-size: 32px;
}
.support-banner p:not(.eyebrow) {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 0;
}
.support-links {
  display: grid;
}
.support-links > a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 19px 0;
  border-bottom: 1px solid #dce7f4;
  font-size: 15px;
  color: #425b7a;
}
.support-links > a > span {
  display: flex;
  align-items: center;
  gap: 14px;
}
.support-links > a svg {
  color: #6284b1;
}
.support-links > a:hover {
  color: var(--blue);
}
.support-links > a:last-child {
  border-bottom: 0;
}

/* Shared footer. */
.site-footer {
  background: #fcfdff;
  border-top: 1px solid var(--line);
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  gap: 45px;
  padding-block: 38px 34px;
}
.footer-top .brand img {
  width: 35px;
  height: 35px;
}
.footer-top .brand > span {
  font-size: 22px;
}
.footer-top > div > p {
  color: var(--quiet);
  font-size: 13px;
  margin: 15px 0 0;
}
.footer-top nav {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  gap: 17px 23px;
  padding-top: 10px;
}
.footer-top nav a {
  color: var(--muted);
  font-size: 13px;
}
.footer-top nav a:hover {
  color: var(--blue);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 10px;
}
.footer-contact > span {
  font-size: 14px;
}
.footer-contact > a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #536f91;
  font-size: 13px;
}
.footer-contact svg {
  width: 15px;
  height: 15px;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 15px 25px;
  padding-block: 20px;
  border-top: 1px solid var(--line);
  color: var(--quiet);
  font-size: 12px;
  line-height: 1.8;
}
.footer-bottom > a {
  margin-left: auto;
}

/* Secondary pages use one heading and comfortable reading measures. */
.page-intro {
  padding-block: 55px 39px;
}
.page-intro .eyebrow {
  font-size: 12px;
  margin-bottom: 16px;
}
.page-intro h1 {
  margin: 0;
  font-size: clamp(34px, 3.3vw, 46px);
  font-weight: 600;
  letter-spacing: -0.6px;
  line-height: 1.45;
}
.page-intro h1 > span {
  color: var(--blue);
}
.page-intro > p:last-child {
  max-width: 760px;
  color: var(--muted);
  font-size: 15px;
  margin: 18px 0 0;
}
.subpage-content {
  padding-bottom: 75px;
}
.article-layout {
  display: grid;
  grid-template-columns: 195px minmax(0, 850px);
  gap: 55px;
}
.article-nav {
  position: sticky;
  top: 105px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 15px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}
.article-nav a {
  padding: 8px 7px;
  font-size: 14px;
  color: #5a6f8a;
  line-height: 1.7;
}
.article-nav a:hover {
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: 5px;
}
.article-nav > .kicker {
  padding: 3px 7px 8px;
  font-size: 12px;
  color: var(--quiet);
}
.article-body {
  min-width: 0;
}
.guide-section {
  padding-bottom: 30px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 100px;
}
.guide-section:last-child {
  border-bottom: none;
}
.guide-section > .tag {
  margin-bottom: 15px;
}
.guide-section h2,
.release-entry h2 {
  font-size: 27px;
  line-height: 1.5;
  letter-spacing: -0.3px;
  margin: 0 0 18px;
}
.guide-section h3 {
  font-size: 18px;
  font-weight: 550;
  margin: 24px 0 10px;
}
.guide-section p,
.guide-section li,
.release-entry p,
.release-entry li {
  color: #52657d;
  font-size: 15px;
  line-height: 1.95;
}
.guide-section ul,
.guide-section ol,
.release-entry ul {
  padding-left: 24px;
}
.guide-section li,
.release-entry li {
  padding-left: 3px;
  margin-bottom: 10px;
}
.guide-section li p {
  margin-top: 6px;
}
.guide-section a:not(.button),
.release-entry a {
  color: var(--blue);
  text-underline-offset: 3px;
}
.guide-section a:not(.button):hover {
  text-decoration: underline;
}
.guide-section code,
.installation-guide code {
  background: #edf3fb;
  font-size: 13px;
  padding: 2px 5px;
  border-radius: 4px;
  overflow-wrap: anywhere;
}
.info-note {
  padding: 19px 22px;
  margin-block: 22px;
  border-left: 3px solid #9bbfe9;
  border-radius: 0 7px 7px 0;
  background: var(--paper);
}
.info-note p {
  margin: 0;
  font-size: 14px;
  color: #526b89;
}
.info-note h3,
.info-note > strong {
  display: block;
  margin: 0 0 8px;
  color: #3d5e88;
  font-size: 15px;
  font-weight: 550;
}
.info-note p + p {
  margin-top: 10px;
}
.faq-list details {
  padding-block: 17px;
  border-bottom: 1px solid var(--line);
}
.faq-list summary {
  color: #345273;
  font-size: 15px;
  line-height: 1.8;
  cursor: pointer;
}
.faq-list p {
  padding-left: 15px;
}
.release-entry {
  padding-bottom: 30px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 100px;
}
.release-entry h2 > span {
  display: block;
  color: #526f93;
  font-size: 20px;
  font-weight: 500;
  margin-top: 8px;
  letter-spacing: 0;
}
.release-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 15px;
  color: var(--quiet);
  font-size: 13px;
  margin-bottom: 14px;
}
.tag {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--blue);
  background: var(--blue-soft);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.support-card {
  display: flex;
  flex-direction: column;
  align-items: start;
  min-width: 0;
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
}
.support-card > .tag {
  margin-bottom: 18px;
}
.support-card h2 {
  font-size: 22px;
  font-weight: 550;
  letter-spacing: 0;
  line-height: 1.55;
  margin: 0 0 13px;
}
.support-card p {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 18px;
}
.support-card a {
  color: var(--blue);
  font-size: 14px;
  line-height: 1.8;
  margin-top: auto;
}
.support-card strong {
  color: #3c5a7c;
}
.support-card .support-links {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 17px;
}
.support-card .support-links > a {
  border: 0;
  padding: 0;
  font-size: 13px;
}
.support-feedback {
  padding: 26px 30px;
  background: var(--paper);
  border-radius: 9px;
  margin-top: 30px;
}
.support-feedback h2 {
  font-size: 25px;
}
.support-feedback .kicker {
  display: block;
  color: var(--blue);
  font-size: 13px;
  margin-bottom: 15px;
}

/* Download actions and limits. */
.page-download {
  background: white;
}
.download-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: 70px;
  align-items: start;
}
.installer-card {
  padding: 32px;
  border: 1px solid #d8e5f5;
  border-radius: var(--radius);
  background: #fbfdff;
}
.installer-heading {
  display: flex;
  align-items: center;
  gap: 18px;
}
.windows-badge {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 61px;
  height: 61px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
}
.windows-badge svg {
  width: 29px;
  height: 29px;
}
.installer-heading h2 {
  font-size: 24px;
  margin-top: 7px;
}
.installer-heading .tag {
  font-size: 12px;
  padding: 3px 8px;
}
.installer-version {
  color: var(--quiet);
  font-size: 13px;
  margin: 24px 0 20px;
  line-height: 1.9;
}
.installer-version > span {
  margin-inline: 7px;
}
.release-facts {
  display: flex;
  gap: 55px;
  border-block: 1px solid var(--line);
  padding-block: 19px;
  margin: 0 0 24px;
}
.release-facts dt {
  color: var(--quiet);
  font-size: 13px;
}
.release-facts dd {
  margin: 7px 0 0;
  font-size: 15px;
}
.installer-button {
  display: flex;
  width: 100%;
}
.installer-button[aria-busy="true"] {
  opacity: 0.65;
  pointer-events: none;
}
.download-cancel {
  display: block;
  margin: 12px auto 0;
  color: #4f709b;
  font-size: 14px;
  background: none;
  border: 0;
  padding: 6px;
}
.download-status {
  font-size: 13px;
  line-height: 1.8;
  margin: 14px 0 0;
  color: #365f97;
  overflow-wrap: anywhere;
}
.download-status:empty {
  display: none;
}
.installer-card .fine-print {
  margin: 18px 0;
}
.checksum {
  padding-top: 16px;
  margin-bottom: 23px;
  border-top: 1px solid var(--line);
  color: #526f92;
  font-size: 13px;
}
.checksum summary {
  padding-block: 5px;
  cursor: pointer;
}
.checksum p {
  font-size: 12px;
  margin-bottom: 8px;
}
.checksum code {
  display: block;
  color: #52647d;
  font-size: 12px;
  line-height: 1.85;
  overflow-wrap: anywhere;
}
.copy-button {
  padding: 8px 12px;
  margin-top: 12px;
  border: 1px solid #d8e4f3;
  border-radius: 5px;
  background: white;
  color: #4c6d99;
  font-size: 13px;
}
.installation-guide {
  padding-top: 5px;
}
.installation-guide h2 {
  font-size: 32px;
}
.installation-steps {
  display: grid;
  gap: 24px;
  list-style: none;
  margin: 27px 0;
  padding: 0;
}
.installation-steps li {
  display: flex;
  gap: 16px;
}
.installation-steps li > span {
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  flex: 0 0 auto;
  border: 1px solid #bacee9;
  border-radius: 50%;
  color: var(--blue);
  font-size: 13px;
}
.installation-steps h3 {
  font-size: 16px;
  font-weight: 550;
  margin: 1px 0 8px;
}
.installation-steps p {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
}
.download-more {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: 70px;
}
.download-more h2 {
  font-size: 29px;
}
.download-more p:not(.eyebrow) {
  font-size: 15px;
  color: var(--muted);
}
.download-assistance .hero-actions {
  margin-top: 22px;
  gap: 22px;
}

@media (max-width: 1100px) {
  .wrap {
    width: calc(100% - 64px);
  }
  .brand small {
    display: none;
  }
  .header-inner {
    gap: 22px;
  }
  .site-nav {
    gap: 20px;
  }
  .hero-grid {
    gap: 32px;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
  .hero h1 {
    font-size: 49px;
  }
  .hero-description {
    font-size: 15px;
  }
  .hero-meta {
    font-size: 12px;
  }
  .hero-intro .button {
    padding-inline: 16px;
    font-size: 14px;
  }
  .preview-caption {
    font-size: 12px;
  }
  .preview-caption > span {
    flex-basis: 100%;
  }
  .split-feature {
    gap: 38px;
  }
  .feature-copy h2 {
    font-size: 30px;
  }
  .workspace-columns {
    gap: 20px;
  }
  .workspace-columns article {
    padding: 24px 21px;
  }
  .workspace-columns h3 {
    font-size: 20px;
  }
  .support-banner {
    gap: 40px;
    padding: 35px;
  }
  .article-layout {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 35px;
  }
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .download-layout,
  .download-more {
    gap: 40px;
  }
}
@media (max-width: 980px) {
  .hero {
    padding-block: 56px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }
  .hero-intro {
    text-align: center;
  }
  .hero-intro .hero-actions {
    justify-content: center;
  }
  .hero h1 {
    font-size: 54px;
  }
  .hero-description {
    font-size: 16px;
  }
  .product-wrap {
    width: min(720px, 100%);
    margin-inline: auto;
  }
  .preview-caption > span {
    flex-basis: auto;
  }
  .hero-meta {
    font-size: 13px;
  }
  .footer-top {
    gap: 25px;
  }
  .footer-contact > a {
    align-items: start;
  }
}
@media (max-width: 760px) {
  html {
    scroll-padding-top: 88px;
  }
  .wrap {
    width: calc(100% - 40px);
  }
  .header-inner {
    height: auto;
    min-height: 70px;
    padding-top: 13px;
    position: relative;
    flex-wrap: wrap;
    gap: 12px;
  }
  .js .header-inner {
    height: 70px;
    padding-top: 0;
  }
  .brand img {
    width: 35px;
    height: 35px;
  }
  .brand > span {
    font-size: 22px;
  }
  .header-download {
    margin-left: auto;
    min-height: 40px;
    padding: 10px 12px;
    font-size: 13px;
  }
  .header-download svg {
    width: 15px;
    height: 15px;
  }
  .menu-toggle {
    display: flex;
    order: 3;
    min-height: 40px;
    padding: 9px;
  }
  .menu-toggle > span {
    display: none;
  }
  .menu-toggle svg {
    width: 19px;
    height: 19px;
  }
  .site-nav {
    order: 4;
    position: static;
    flex-wrap: wrap;
    gap: 0;
    width: calc(100% + 40px);
    margin: 0 -20px;
    padding: 11px 20px 15px;
    background: white;
    border-bottom: 1px solid var(--line);
  }
  .js .site-nav {
    position: absolute;
    top: 70px;
    left: 0;
  }
  .site-nav[data-collapsed="true"] {
    display: none;
  }
  .site-nav a {
    width: 50%;
    padding: 12px;
    font-size: 14px;
  }
  .hero {
    padding-block: 34px 31px;
  }
  .hero-grid {
    gap: 27px;
  }
  .version-pill {
    font-size: 12px;
  }
  .hero-eyebrow {
    font-size: 12px;
    letter-spacing: 0.6px;
    margin: 23px 0 16px;
  }
  .hero h1 {
    font-size: clamp(40px, 10.5vw, 48px);
    line-height: 1.23;
    letter-spacing: -0.7px;
  }
  .hero h1 > span {
    margin-top: 5px;
  }
  .hero-description {
    font-size: 15px;
    line-height: 1.85;
    margin: 22px 0 23px;
  }
  .button {
    min-height: 47px;
    padding: 13px 18px;
    font-size: 14px;
  }
  .hero-intro .button {
    font-size: 14px;
    padding-inline: 17px;
  }
  .hero-intro .button-text {
    padding-inline: 12px;
  }
  .hero-meta {
    font-size: 12px;
    margin-top: 15px;
  }
  .hero-meta > span {
    margin-inline: 3px;
  }
  .mobile-entry {
    display: inline-flex;
  }
  .preview-toolbar {
    padding: 6px;
  }
  .preview-tab {
    min-height: 44px;
    padding: 10px 8px;
    font-size: 13px;
  }
  .preview-caption {
    gap: 8px;
    padding-top: 12px;
    font-size: 12px;
  }
  .preview-caption > span {
    flex-basis: 100%;
  }
  .capabilities {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 15px;
    padding-block: 24px;
  }
  .capabilities > div,
  .capabilities > div:first-child,
  .capabilities > div:last-child {
    justify-content: start;
    border: 0;
    gap: 9px;
    font-size: 13px;
  }
  .capabilities span {
    font-size: 12px;
  }
  .section {
    padding-block: 52px;
  }
  .eyebrow {
    font-size: 12px;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
  }
  h2 {
    font-size: 28px;
    line-height: 1.5;
    letter-spacing: -0.3px;
  }
  .section-heading {
    gap: 16px;
    margin-bottom: 26px;
  }
  .section-intro {
    font-size: 14px;
  }
  .search-story {
    padding: 24px 20px;
  }
  .search-illustration {
    gap: 9px;
    padding: 13px 12px;
    font-size: 12px;
  }
  .search-illustration > svg {
    width: 17px;
    height: 17px;
  }
  .search-key {
    display: none;
  }
  .illustration-label {
    font-size: 12px;
  }
  .search-steps {
    grid-template-columns: 1fr;
    gap: 23px;
    margin-top: 0;
  }
  .search-steps article {
    border-bottom: 1px solid var(--line);
    padding-bottom: 22px;
  }
  .search-steps article:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }
  .search-steps h3 {
    font-size: 18px;
    margin-bottom: 9px;
  }
  .search-steps p {
    font-size: 14px;
  }
  .section-bottom-link {
    flex-direction: column;
    align-items: start;
    gap: 12px;
    font-size: 13px;
  }
  .standards-section {
    padding-block: 52px;
  }
  .split-feature {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .feature-copy h2 {
    font-size: 28px;
  }
  .feature-copy > p:not(.eyebrow):not(.fine-print) {
    font-size: 14px;
    margin-block: 18px;
  }
  .check-list {
    margin-block: 20px;
    gap: 10px;
  }
  .check-list li {
    font-size: 14px;
  }
  .feature-copy .fine-print {
    font-size: 13px;
  }
  .feature-screenshot figcaption {
    font-size: 12px;
  }
  .workspace-section {
    padding-block: 52px;
  }
  .workspace-columns {
    grid-template-columns: 1fr;
    gap: 17px;
    margin-top: 27px;
  }
  .workspace-columns article {
    padding: 24px;
  }
  .workspace-symbol {
    width: 40px;
    height: 40px;
    margin-bottom: 17px;
  }
  .workspace-columns h3 {
    font-size: 21px;
  }
  .workspace-columns p {
    font-size: 14px;
    margin-bottom: 20px;
  }
  .workspace-columns small {
    font-size: 12px;
    margin-top: 15px;
  }
  .start-section .section-heading {
    flex-direction: column;
    align-items: start;
    gap: 21px;
  }
  .start-steps {
    grid-template-columns: 1fr;
    gap: 23px;
    margin-top: 30px;
  }
  .start-steps > li {
    display: grid;
    grid-template-columns: 40px 1fr;
    column-gap: 14px;
    padding-top: 20px;
  }
  .start-steps > li > span {
    grid-row: span 2;
    font-size: 26px;
  }
  .start-steps h3 {
    margin: 2px 0 9px;
    font-size: 17px;
  }
  .start-steps p {
    font-size: 14px;
  }
  .start-foot {
    align-items: start;
    flex-direction: column;
    gap: 12px;
    margin-top: 25px;
  }
  .start-foot p {
    font-size: 13px;
  }
  .support-section {
    padding-bottom: 52px;
  }
  .support-banner {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 27px 23px;
  }
  .support-banner h2 {
    font-size: 28px;
  }
  .support-banner p:not(.eyebrow) {
    font-size: 14px;
  }
  .support-links > a {
    font-size: 15px;
    padding-block: 18px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 26px;
    padding-block: 31px;
  }
  .footer-top nav {
    padding-top: 0;
    gap: 18px 23px;
  }
  .footer-contact {
    padding-top: 0;
    gap: 11px;
  }
  .footer-bottom {
    gap: 12px 20px;
    padding-block: 19px;
    font-size: 12px;
  }
  .footer-bottom > a {
    margin-left: 0;
  }
  .page-intro {
    padding-block: 36px 30px;
  }
  .page-intro h1 {
    font-size: 32px;
    line-height: 1.45;
    letter-spacing: -0.5px;
  }
  .page-intro > p:last-child {
    font-size: 14px;
    margin-top: 16px;
  }
  .subpage-content {
    padding-bottom: 50px;
  }
  .article-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .article-nav {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 10px;
    padding: 13px;
  }
  .article-nav > .kicker {
    grid-column: 1/-1;
  }
  .article-nav a {
    font-size: 13px;
    padding: 8px 5px;
  }
  .guide-section {
    padding-bottom: 25px;
    margin-bottom: 25px;
  }
  .guide-section h2,
  .release-entry h2 {
    font-size: 25px;
  }
  .guide-section p,
  .guide-section li,
  .release-entry p,
  .release-entry li {
    font-size: 14px;
  }
  .guide-section h3 {
    font-size: 17px;
  }
  .info-note {
    padding: 17px 18px;
  }
  .info-note p {
    font-size: 14px;
  }
  .faq-list summary {
    font-size: 14px;
  }
  .release-entry h2 > span {
    font-size: 18px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 17px;
  }
  .support-card {
    padding: 24px;
  }
  .support-card h2 {
    font-size: 22px;
  }
  .support-card p {
    font-size: 14px;
  }
  .support-feedback {
    padding: 24px;
  }
  .download-layout,
  .download-more {
    grid-template-columns: 1fr;
    gap: 37px;
  }
  .installer-card {
    padding: 25px 22px;
  }
  .installer-heading {
    gap: 14px;
  }
  .windows-badge {
    width: 51px;
    height: 51px;
    border-radius: 10px;
  }
  .windows-badge svg {
    width: 26px;
    height: 26px;
  }
  .installer-heading h2 {
    font-size: 21px;
  }
  .installer-version {
    font-size: 12px;
  }
  .installer-version > span {
    margin-inline: 4px;
  }
  .release-facts {
    gap: 48px;
  }
  .installation-guide {
    padding-top: 0;
  }
  .installation-guide h2,
  .download-more h2 {
    font-size: 28px;
  }
  .installation-steps {
    gap: 21px;
  }
  .installation-steps p {
    font-size: 14px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ============================================================
   规库通适配层（在原设计系统之后追加，不改动上方任何规则）
   1) 截图按 1360x900 原比例完整显示，不做顶部裁切
   2) 补充：数据条 / 状态标签 / 对比表 / 二维码卡片 / 版本徽标
   ============================================================ */
.preview-image-frame,
.feature-image-link {
  aspect-ratio: 1360 / 900;
}
.preview-image-frame img,
.feature-image-link img {
  left: 0;
  top: 0;
  width: 100%;
  transform: none;
}

/* 数据条 */
.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--line);
  margin-top: 34px;
}
.metric-row > div {
  padding: 24px 26px;
  border-right: 1px solid var(--line);
}
.metric-row > div:last-child {
  border-right: 0;
}
.metric-row b {
  display: block;
  font-size: 27px;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.4px;
  font-variant-numeric: tabular-nums;
}
.metric-row span {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.7;
}

/* 状态标签 */
.state {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  padding: 1px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.state-now {
  background: #e4f4ec;
  color: #0f6e56;
}
.state-dead {
  background: #fbeceb;
  color: #a32d2d;
}
.state-next {
  background: var(--blue-soft);
  color: #1c56ad;
}
.state-gone {
  background: #f1f0ec;
  color: #6b6558;
}

/* 对比表 */
.table-wrap {
  overflow-x: auto;
  margin-top: 10px;
}
.compare-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}
.compare-table thead th {
  background: var(--paper);
  color: var(--quiet);
  font-size: 12.5px;
  font-weight: 600;
  text-align: left;
  padding: 11px 15px;
  border-bottom: 1px solid var(--line);
}
.compare-table tbody th {
  width: 26%;
  font-weight: 500;
  color: var(--muted);
  text-align: left;
  padding: 12px 15px;
  border-bottom: 1px solid var(--line);
  background: #fcfdff;
}
.compare-table td {
  padding: 12px 15px;
  border-bottom: 1px solid var(--line);
  color: #52657d;
  line-height: 1.8;
}
.compare-table td.is-ours {
  color: #1f4a86;
  font-weight: 500;
  background: #f8fbff;
}

/* 二维码卡片 */
.qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 16px;
}
.qr-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  padding: 22px 18px;
  text-align: center;
}
.qr-card img {
  width: 148px;
  height: 148px;
  object-fit: contain;
  margin: 0 auto 12px;
  border-radius: 6px;
}
.qr-card h3 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
}
.qr-card p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.75;
}
.qr-card code {
  background: #edf3fb;
  font-size: 13px;
  padding: 2px 6px;
  border-radius: 4px;
}

/* 页内小节标题（补充区块用） */
.sub-heading {
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.2px;
}
.sub-note {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--quiet);
}

@media (max-width: 980px) {
  .metric-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .metric-row > div:nth-child(2) {
    border-right: 0;
  }
  .metric-row > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}
@media (max-width: 760px) {
  .metric-row > div {
    padding: 18px 16px;
  }
  .metric-row b {
    font-size: 22px;
  }
  .qr-grid {
    grid-template-columns: 1fr;
  }
  .compare-table {
    min-width: 0;
    font-size: 13px;
  }
  .compare-table thead th,
  .compare-table tbody th,
  .compare-table td {
    padding: 9px 10px;
  }
}

/* ---- 优化：步骤列表按安装步骤的圆形序号统一（原站为默认 ol 编号） ---- */
.step-list {
  list-style: none;
  padding-left: 0;
  counter-reset: step;
}
.step-list > li {
  counter-increment: step;
  position: relative;
  padding-left: 34px;
  margin-bottom: 18px;
}
.step-list > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 12px;
  font-weight: 600;
  line-height: 22px;
  text-align: center;
}
.step-list > li > strong {
  display: block;
  color: #2f4257;
  font-size: 15.5px;
  margin-bottom: 2px;
}

/* ---- 优化：卡片区与后续小节的间距 ---- */
.contact-grid + .guide-section {
  margin-top: 42px;
}
.contact-grid {
  margin-bottom: 8px;
}

/* ---- 优化：正文内文字链接在非 guide 容器里也保持一致 ---- */
.text-link {
  color: var(--blue);
  font-size: 14px;
  text-underline-offset: 3px;
}
.text-link:hover {
  text-decoration: underline;
}

/* 修正：.guide-section ol 的内边距优先级高于 .step-list，这里显式归零 */
.guide-section .step-list,
.support-feedback .step-list {
  padding-left: 0;
}
.guide-section .step-list > li,
.support-feedback .step-list > li {
  margin-bottom: 18px;
}