:root {
  --portal-blue: #1677ff;
  --portal-blue-strong: #0958d9;
  --portal-blue-soft: #eaf3ff;
  --portal-ink: #111827;
  --portal-copy: #4b5563;
  --portal-muted: #6b7280;
  --portal-line: #e5e7eb;
  --portal-soft: #f5f7fa;
  --portal-white: #ffffff;
  --portal-success: #087f5b;
  --portal-shadow: 0 18px 48px rgba(17, 24, 39, 0.09);
  --portal-shell: 1200px;
  --portal-header-height: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--portal-white);
  color: var(--portal-ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
}

body,
button,
input,
select,
textarea {
  font-family: inherit;
}

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

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

button,
a,
input,
select,
textarea {
  outline-offset: 3px;
}

:focus-visible {
  outline: 3px solid rgba(22, 119, 255, 0.42);
}

.portal-page {
  min-height: 100vh;
  overflow-x: clip;
  background: var(--portal-white);
}

.portal-shell {
  width: min(calc(100% - 40px), var(--portal-shell));
  margin: 0 auto;
}

.portal-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--portal-header-height);
  border-bottom: 1px solid rgba(229, 231, 235, 0.9);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.portal-nav-shell {
  min-height: var(--portal-header-height);
  display: flex;
  align-items: center;
  gap: 30px;
}

.portal-brand {
  min-width: 210px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  font-weight: 700;
  color: var(--portal-ink);
}

.portal-brand img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.portal-brand-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  background: var(--portal-blue);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}

.portal-nav-links {
  min-width: 0;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

.portal-nav-links a {
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  color: #374151;
  font-size: 15px;
  font-weight: 600;
  transition: color 180ms ease;
}

.portal-nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 3px;
  height: 2px;
  background: var(--portal-blue);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.portal-nav-links a:hover,
.portal-nav-links a:focus-visible {
  color: var(--portal-blue);
}

.portal-nav-links a:hover::after,
.portal-nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.portal-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.portal-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 4px auto;
  background: var(--portal-ink);
}

.portal-nav-contact,
.portal-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--portal-blue);
  border-radius: 5px;
  background: var(--portal-blue);
  color: var(--portal-white);
  font-weight: 700;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.portal-nav-contact:hover,
.portal-button:hover {
  border-color: var(--portal-blue-strong);
  background: var(--portal-blue-strong);
  color: var(--portal-white);
}

.portal-button-secondary {
  border-color: #cfd6df;
  background: var(--portal-white);
  color: var(--portal-ink);
}

.portal-button-secondary:hover {
  border-color: var(--portal-blue);
  background: var(--portal-blue-soft);
  color: var(--portal-blue-strong);
}

.portal-eyebrow {
  display: inline-flex;
  align-items: center;
  margin-bottom: 18px;
  color: var(--portal-blue-strong);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

.portal-eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  margin-right: 10px;
  background: var(--portal-blue);
}

.portal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.portal-home-hero,
.portal-page-hero {
  background: var(--portal-soft);
  border-bottom: 1px solid var(--portal-line);
}

.portal-home-hero-grid {
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  align-items: center;
  gap: 72px;
  padding: 72px 0;
}

.portal-home-copy h1,
.portal-page-hero h1,
.portal-detail-hero h1 {
  max-width: 820px;
  margin: 0;
  color: var(--portal-ink);
  font-size: 52px;
  line-height: 1.15;
  font-weight: 760;
  letter-spacing: 0;
}

.portal-home-copy > p,
.portal-page-hero p,
.portal-detail-copy > p {
  max-width: 720px;
  margin: 24px 0 30px;
  color: var(--portal-copy);
  font-size: 18px;
  line-height: 1.85;
}

.portal-hero-media {
  width: 100%;
  min-width: 0;
  aspect-ratio: 16 / 11;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  border: 1px solid #dbe2ea;
  border-radius: 8px;
  background: var(--portal-white);
  box-shadow: var(--portal-shadow);
  overflow: hidden;
}

.portal-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.portal-price-line {
  margin: 26px 0;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.portal-price-line strong {
  color: var(--portal-ink);
  font-size: 38px;
  line-height: 1;
}

.portal-price-line span {
  color: var(--portal-copy);
  font-size: 15px;
}

.portal-trust-strip {
  border-bottom: 1px solid var(--portal-line);
  background: var(--portal-white);
}

.portal-trust-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.portal-trust-grid div {
  min-height: 118px;
  padding: 25px 28px;
  border-right: 1px solid var(--portal-line);
}

.portal-trust-grid div:first-child {
  border-left: 1px solid var(--portal-line);
}

.portal-trust-grid strong,
.portal-trust-grid span {
  display: block;
}

.portal-trust-grid strong {
  margin-bottom: 5px;
  font-size: 17px;
}

.portal-trust-grid span {
  color: var(--portal-muted);
  font-size: 14px;
}

.portal-section {
  padding: 90px 0;
}

.portal-section-soft {
  background: var(--portal-soft);
}

.portal-section-heading {
  max-width: 760px;
  margin-bottom: 44px;
}

.portal-section-heading h2,
.portal-content-heading h2 {
  margin: 0;
  color: var(--portal-ink);
  font-size: 38px;
  line-height: 1.25;
  letter-spacing: 0;
}

.portal-section-heading p,
.portal-content-heading p {
  margin: 16px 0 0;
  color: var(--portal-copy);
  font-size: 17px;
}

.portal-product-grid,
.portal-content-grid,
.portal-support-grid,
.portal-case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.portal-product-card,
.portal-content-card,
.portal-support-card,
.portal-case-card {
  min-width: 0;
  border: 1px solid var(--portal-line);
  border-radius: 7px;
  background: var(--portal-white);
  overflow: hidden;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.portal-product-card:hover,
.portal-content-card:hover,
.portal-support-card:hover,
.portal-case-card:hover {
  border-color: #b8cff2;
  box-shadow: 0 14px 36px rgba(17, 24, 39, 0.08);
}

.portal-product-card {
  display: grid;
  grid-template-rows: 310px 1fr;
}

.portal-product-image {
  min-width: 0;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--portal-line);
  background: #f8fafc;
  overflow: hidden;
}

.portal-product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.portal-product-body {
  padding: 30px;
  display: flex;
  flex-direction: column;
}

.portal-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--portal-blue-strong);
  font-size: 13px;
  font-weight: 700;
}

.portal-meta-row span {
  padding: 4px 9px;
  border-radius: 4px;
  background: var(--portal-blue-soft);
}

.portal-product-body h3,
.portal-content-card h2,
.portal-content-card h3,
.portal-support-card h2,
.portal-support-card h3,
.portal-case-card h2,
.portal-case-card h3 {
  margin: 17px 0 10px;
  color: var(--portal-ink);
  font-size: 24px;
  line-height: 1.35;
}

.portal-product-body p,
.portal-content-card p,
.portal-support-card p,
.portal-case-card p {
  margin: 0;
  color: var(--portal-copy);
}

.portal-feature-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px 20px;
}

.portal-feature-list li {
  position: relative;
  padding-left: 18px;
  color: #374151;
  font-size: 14px;
}

.portal-feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--portal-blue);
}

.portal-card-footer {
  margin-top: auto;
  padding-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.portal-card-footer strong {
  font-size: 28px;
}

.portal-text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--portal-blue-strong);
  font-weight: 700;
}

.portal-text-link::after {
  content: "→";
  margin-left: 8px;
}

.portal-page-hero-inner {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 68px 0;
}

.portal-page-hero h1 {
  font-size: 46px;
}

.portal-resource-links {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--portal-line);
  border-radius: 7px;
  background: var(--portal-white);
  overflow: hidden;
}

.portal-resource-links a {
  min-height: 160px;
  padding: 28px;
  border-right: 1px solid var(--portal-line);
  transition: background-color 180ms ease;
}

.portal-resource-links a:last-child {
  border-right: 0;
}

.portal-resource-links a:hover {
  background: var(--portal-blue-soft);
}

.portal-resource-links strong,
.portal-resource-links span {
  display: block;
}

.portal-resource-links strong {
  margin-bottom: 8px;
  font-size: 19px;
}

.portal-resource-links span {
  color: var(--portal-copy);
  font-size: 14px;
}

.portal-filter-bar {
  margin-bottom: 30px;
  padding: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  gap: 14px;
  border: 1px solid var(--portal-line);
  background: var(--portal-white);
}

.portal-filter-bar label {
  display: block;
  color: var(--portal-copy);
  font-size: 13px;
  font-weight: 700;
}

.portal-filter-bar input,
.portal-filter-bar select,
.portal-form input,
.portal-form textarea {
  width: 100%;
  min-height: 48px;
  margin-top: 6px;
  padding: 10px 13px;
  border: 1px solid #cfd6df;
  border-radius: 4px;
  background: var(--portal-white);
  color: var(--portal-ink);
  font-size: 16px;
}

.portal-form textarea {
  min-height: 150px;
  resize: vertical;
}

.portal-filter-bar input:focus,
.portal-filter-bar select:focus,
.portal-form input:focus,
.portal-form textarea:focus {
  border-color: var(--portal-blue);
}

.portal-download-list,
.portal-document-list,
.portal-knowledge-list {
  border-top: 1px solid var(--portal-line);
}

.portal-download-row,
.portal-document-row,
.portal-knowledge-row {
  min-height: 132px;
  padding: 22px 0;
  display: grid;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--portal-line);
}

.portal-download-row {
  grid-template-columns: minmax(0, 2fr) minmax(160px, 0.7fr) minmax(130px, 0.55fr) 130px;
}

.portal-document-row {
  grid-template-columns: minmax(0, 2fr) minmax(150px, 0.65fr) minmax(110px, 0.5fr) 130px;
}

.portal-knowledge-row {
  grid-template-columns: minmax(0, 1fr) 130px;
}

.portal-download-name {
  min-width: 0;
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  align-items: center;
  gap: 20px;
}

.portal-download-name img {
  width: 88px;
  height: 68px;
  padding: 6px;
  border: 1px solid var(--portal-line);
  background: var(--portal-soft);
  object-fit: contain;
}

.portal-download-row h2,
.portal-document-row h2,
.portal-knowledge-row h2 {
  margin: 0 0 6px;
  font-size: 19px;
  line-height: 1.4;
}

.portal-download-row p,
.portal-document-row p,
.portal-knowledge-row p {
  margin: 0;
  color: var(--portal-copy);
  font-size: 14px;
}

.portal-download-row small,
.portal-document-row small,
.portal-knowledge-row small {
  color: var(--portal-muted);
}

.portal-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.portal-tag-list span {
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--portal-soft);
  color: #374151;
  font-size: 12px;
}

.portal-empty {
  padding: 60px 20px;
  border: 1px dashed #cfd6df;
  color: var(--portal-muted);
  text-align: center;
}

.portal-detail-hero {
  padding: 70px 0;
  background: var(--portal-soft);
  border-bottom: 1px solid var(--portal-line);
}

.portal-detail-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: 70px;
}

.portal-detail-hero h1 {
  font-size: 46px;
}

.portal-detail-stage {
  min-width: 0;
}

.portal-product-window {
  width: 100%;
  aspect-ratio: 16 / 10;
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #d8dee8;
  border-radius: 8px;
  background: var(--portal-white);
  box-shadow: var(--portal-shadow);
  overflow: hidden;
}

.portal-product-window img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.portal-thumb-strip {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
}

.portal-thumb {
  flex: 0 0 78px;
  width: 78px;
  height: 58px;
  padding: 4px;
  border: 1px solid var(--portal-line);
  border-radius: 4px;
  background: var(--portal-white);
  cursor: pointer;
}

.portal-thumb.is-active {
  border-color: var(--portal-blue);
}

.portal-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.portal-subnav {
  position: sticky;
  top: var(--portal-header-height);
  z-index: 40;
  border-bottom: 1px solid var(--portal-line);
  background: rgba(255, 255, 255, 0.97);
}

.portal-subnav-inner {
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 28px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.portal-subnav strong,
.portal-subnav a {
  flex: 0 0 auto;
  white-space: nowrap;
}

.portal-subnav strong {
  margin-right: auto;
  font-size: 15px;
}

.portal-subnav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--portal-copy);
  font-size: 14px;
  font-weight: 700;
}

.portal-subnav a:hover,
.portal-subnav a.is-active {
  color: var(--portal-blue);
}

.portal-detail-section {
  padding: 82px 0;
  scroll-margin-top: 142px;
}

.portal-detail-section:nth-of-type(even) {
  background: var(--portal-soft);
}

.portal-detail-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 76px;
}

.portal-detail-aside h2 {
  margin: 0;
  font-size: 30px;
  line-height: 1.3;
}

.portal-detail-aside p {
  color: var(--portal-copy);
}

.portal-rich-content {
  min-width: 0;
  color: #283241;
  font-size: 17px;
}

.portal-rich-content h2,
.portal-rich-content h3,
.portal-rich-content h4 {
  margin: 1.7em 0 0.65em;
  color: var(--portal-ink);
  line-height: 1.35;
  scroll-margin-top: 150px;
}

.portal-rich-content h2:first-child,
.portal-rich-content h3:first-child {
  margin-top: 0;
}

.portal-rich-content p,
.portal-rich-content li {
  line-height: 1.9;
}

.portal-rich-content img,
.portal-rich-content video,
.portal-rich-content iframe,
.portal-rich-content table {
  max-width: 100%;
}

.portal-rich-content img {
  height: auto !important;
  margin: 24px auto;
  object-fit: contain;
}

.portal-rich-content table {
  width: 100%;
  border-collapse: collapse;
}

.portal-rich-content th,
.portal-rich-content td {
  padding: 12px;
  border: 1px solid var(--portal-line);
  text-align: left;
}

.portal-process-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 50px;
  align-items: center;
}

.portal-process-media {
  aspect-ratio: 16 / 10;
  padding: 20px;
  border: 1px solid var(--portal-line);
  background: var(--portal-white);
}

.portal-process-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.portal-step-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--portal-line);
}

.portal-step-list li {
  padding: 16px 0;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  border-bottom: 1px solid var(--portal-line);
}

.portal-step-list b {
  color: var(--portal-blue);
}

.portal-version-list {
  border-top: 1px solid var(--portal-line);
}

.portal-version-row {
  padding: 22px 0;
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  border-bottom: 1px solid var(--portal-line);
}

.portal-version-row strong,
.portal-version-row span {
  display: block;
}

.portal-version-row span {
  color: var(--portal-muted);
  font-size: 13px;
}

.portal-content-card,
.portal-support-card,
.portal-case-card {
  padding: 30px;
}

.portal-support-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.portal-support-card {
  min-height: 240px;
  display: flex;
  flex-direction: column;
}

.portal-support-card .portal-text-link {
  margin-top: auto;
  padding-top: 24px;
}

.portal-case-card {
  padding: 0;
}

.portal-case-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.portal-case-card-body {
  padding: 26px;
}

.portal-article-hero {
  padding: 72px 0 54px;
  background: var(--portal-soft);
  border-bottom: 1px solid var(--portal-line);
}

.portal-article-hero-inner {
  max-width: 900px;
}

.portal-article-hero h1 {
  margin: 0;
  font-size: 46px;
  line-height: 1.2;
}

.portal-article-hero p {
  margin: 18px 0 0;
  color: var(--portal-copy);
  font-size: 18px;
}

.portal-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 70px;
}

.portal-article-side {
  align-self: start;
  position: sticky;
  top: 150px;
  padding-left: 24px;
  border-left: 1px solid var(--portal-line);
}

.portal-article-side a {
  display: block;
  padding: 8px 0;
  color: var(--portal-copy);
  font-size: 14px;
}

.portal-two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
  gap: 70px;
  align-items: start;
}

.portal-visual {
  position: relative;
  min-width: 0;
  aspect-ratio: 4 / 3;
  border-radius: 7px;
  overflow: hidden;
  background: var(--portal-soft);
}

.portal-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portal-form {
  display: grid;
  gap: 18px;
}

.portal-form label span {
  display: block;
  color: #374151;
  font-size: 14px;
  font-weight: 700;
}

.portal-success {
  padding: 12px 14px;
  border: 1px solid #9ed8c6;
  background: #ecfdf5;
  color: var(--portal-success);
}

.portal-footer {
  padding: 58px 0 24px;
  border-top: 1px solid var(--portal-line);
  background: #f7f8fa;
}

.portal-footer-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
}

.portal-footer-brand {
  font-size: 20px;
  font-weight: 800;
}

.portal-footer p {
  margin: 8px 0 0;
  color: var(--portal-copy);
}

.portal-footer nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px 24px;
}

.portal-footer nav a {
  color: #374151;
}

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

.portal-footer-bottom {
  margin-top: 38px;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--portal-line);
  color: var(--portal-muted);
  font-size: 13px;
}

[hidden] {
  display: none !important;
}

@media (max-width: 1080px) {
  .portal-nav-shell {
    gap: 18px;
  }

  .portal-nav-links {
    gap: 18px;
  }

  .portal-home-hero-grid,
  .portal-detail-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
    gap: 44px;
  }

  .portal-home-copy h1,
  .portal-page-hero h1,
  .portal-detail-hero h1,
  .portal-article-hero h1 {
    font-size: 42px;
  }

  .portal-support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  :root {
    --portal-header-height: 72px;
  }

  .portal-nav-shell {
    position: relative;
    padding: 10px 0;
    flex-wrap: nowrap;
  }

  .portal-brand {
    min-width: 0;
    flex: 1;
  }

  .portal-nav-toggle {
    display: block;
    order: 2;
  }

  .portal-nav-links {
    position: absolute;
    top: calc(100% + 1px);
    left: -20px;
    right: -20px;
    display: none;
    width: auto;
    padding: 14px 20px 18px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--portal-line);
    box-shadow: 0 14px 28px rgba(17, 24, 39, 0.1);
  }

  .portal-nav-links.is-open {
    display: flex;
  }

  .portal-nav-links a {
    min-height: 46px;
    border-bottom: 1px solid var(--portal-line);
  }

  .portal-nav-contact {
    display: none;
  }

  .portal-home-hero-grid,
  .portal-detail-hero-grid,
  .portal-two-column,
  .portal-process-grid,
  .portal-article-layout,
  .portal-detail-layout {
    grid-template-columns: 1fr;
  }

  .portal-home-hero-grid {
    min-height: auto;
    padding: 58px 0;
  }

  .portal-detail-hero-grid,
  .portal-two-column {
    gap: 42px;
  }

  .portal-detail-layout {
    gap: 32px;
  }

  .portal-detail-aside {
    max-width: 700px;
  }

  .portal-article-side {
    position: static;
    padding: 20px 0 0;
    border-top: 1px solid var(--portal-line);
    border-left: 0;
  }

  .portal-resource-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portal-resource-links a:nth-child(2) {
    border-right: 0;
  }

  .portal-resource-links a:nth-child(-n+2) {
    border-bottom: 1px solid var(--portal-line);
  }

  .portal-download-row,
  .portal-document-row {
    grid-template-columns: minmax(0, 1fr) 130px;
  }

  .portal-download-row > :nth-child(2),
  .portal-download-row > :nth-child(3),
  .portal-document-row > :nth-child(2),
  .portal-document-row > :nth-child(3) {
    display: none;
  }

  .portal-version-row {
    grid-template-columns: 130px minmax(0, 1fr);
  }

  .portal-version-row .portal-actions {
    grid-column: 1 / -1;
  }
}

/* Screenshot-matched global navigation */
:root {
  --portal-header-height: 72px;
}

.portal-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid #e4e8ee;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: none;
}

.portal-nav-shell.portal-shell {
  width: min(1536px, calc(100% - 40px));
  min-height: var(--portal-header-height);
  gap: 22px;
}

.portal-brand {
  min-width: 220px;
  gap: 10px;
  color: #162033;
  font-size: 20px;
  letter-spacing: 0;
}

.portal-brand img {
  width: 42px;
  height: 42px;
}

.portal-nav-links {
  position: static;
  justify-content: flex-start;
  gap: 0;
}

.portal-nav-item {
  position: static;
}

.portal-nav-item > a {
  min-height: var(--portal-header-height);
  padding: 0 18px;
  color: #28364a;
  font-size: 15px;
  font-weight: 500;
}

.portal-nav-item > a::after {
  right: 18px;
  bottom: 0;
  left: 18px;
}

.portal-mega-menu {
  position: fixed;
  top: var(--portal-header-height);
  left: 50%;
  display: none;
  width: min(1040px, calc(100vw - 48px));
  transform: translateX(-50%);
  border: 1px solid #e7ebf0;
  border-top: 0;
  background: #fff;
  box-shadow: 0 15px 24px rgba(18, 34, 56, 0.12);
}

.portal-nav-item:hover .portal-mega-menu,
.portal-nav-item:focus-within .portal-mega-menu {
  display: block;
}

.portal-mega-inner {
  padding: 22px 30px 28px;
}

.portal-mega-products {
  display: grid;
  grid-template-columns: 180px repeat(2, minmax(0, 1fr));
  gap: 0 28px;
}

.portal-mega-intro {
  grid-row: 1 / span 3;
  padding-right: 24px;
  border-right: 1px solid #e5e9ef;
}

.portal-mega-intro strong,
.portal-mega-support > strong {
  display: block;
  color: #172033;
  font-size: 16px;
}

.portal-mega-intro p {
  margin: 8px 0 14px;
  color: #6b7788;
  font-size: 13px;
  line-height: 1.65;
}

.portal-mega-intro a,
.portal-mega-link,
.portal-mega-support a {
  min-height: 0;
  padding: 0;
  border: 0;
}

.portal-mega-intro a {
  color: #1769ff;
  font-size: 13px;
  font-weight: 600;
}

.portal-mega-menu a::after {
  display: none;
}

.portal-mega-link {
  display: block;
  padding: 10px 12px;
  border-bottom: 1px solid #edf0f4;
  white-space: normal;
}

.portal-mega-link:hover {
  background: #f7f9fc;
}

.portal-mega-link span,
.portal-mega-link strong,
.portal-mega-link small {
  display: block;
}

.portal-mega-link span {
  color: #1769ff;
  font-size: 11px;
}

.portal-mega-link strong {
  margin-top: 3px;
  overflow: hidden;
  color: #172033;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.portal-mega-link small {
  margin-top: 3px;
  overflow: hidden;
  color: #687588;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.portal-mega-support {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  align-items: start;
  gap: 12px 24px;
}

.portal-mega-support > strong {
  padding: 10px 8px;
  border-bottom: 1px solid #e7ebf0;
}

.portal-mega-support > div {
  display: flex;
  gap: 28px;
  padding: 10px 8px;
  border-bottom: 1px solid #e7ebf0;
}

.portal-mega-support a {
  color: #334155;
  font-size: 14px;
  font-weight: 500;
}

.portal-nav-search {
  display: flex;
  width: 260px;
  min-width: 180px;
  height: 36px;
  border: 1px solid #d8dee7;
  border-radius: 8px;
  background: #fff;
}

.portal-nav-search:focus-within {
  border-color: #1769ff;
  box-shadow: 0 0 0 2px rgba(23, 105, 255, 0.1);
}

.portal-nav-search input {
  min-width: 0;
  flex: 1;
  padding: 0 0 0 14px;
  border: 0;
  outline: 0;
  background: transparent;
  color: #263449;
  font: inherit;
  font-size: 13px;
}

.portal-nav-search button {
  width: 40px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.portal-nav-search button span {
  position: relative;
  display: block;
  width: 13px;
  height: 13px;
  margin: auto;
  border: 2px solid #9aa6b5;
  border-radius: 50%;
}

.portal-nav-search button span::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -3px;
  width: 6px;
  height: 2px;
  transform: rotate(45deg);
  background: #9aa6b5;
}

.portal-nav-language {
  color: #667386;
  font-size: 14px;
  white-space: nowrap;
}

@media (max-width: 1180px) {
  .portal-brand {
    min-width: 180px;
    font-size: 17px;
  }

  .portal-nav-item > a {
    padding: 0 11px;
  }

  .portal-nav-search {
    width: 210px;
  }
}

@media (max-width: 860px) {
  .portal-nav-shell.portal-shell {
    width: min(100% - 32px, 1536px);
  }

  .portal-brand {
    min-width: 0;
  }

  .portal-brand img {
    width: 34px;
    height: 34px;
  }

  .portal-nav-links {
    left: -16px;
    right: -16px;
  }

  .portal-nav-item > a {
    width: 100%;
    min-height: 48px;
    padding: 0;
    border-bottom: 1px solid #e5e9ef;
  }

  .portal-nav-item > a::after,
  .portal-mega-menu,
  .portal-nav-search,
  .portal-nav-language {
    display: none !important;
  }
}

@media (max-width: 640px) {
  :root {
    --portal-header-height: 108px;
  }

  .portal-shell {
    width: min(calc(100% - 32px), var(--portal-shell));
  }

  .portal-brand {
    font-size: 15px;
  }

  .portal-brand img {
    width: 34px;
    height: 34px;
  }

  .portal-nav-contact {
    min-height: 40px;
    padding: 0 14px;
    font-size: 13px;
  }

  .portal-nav-links a {
    min-height: 38px;
    font-size: 13px;
  }

  .portal-home-copy h1,
  .portal-page-hero h1,
  .portal-detail-hero h1,
  .portal-article-hero h1 {
    font-size: 34px;
  }

  .portal-home-copy > p,
  .portal-page-hero p,
  .portal-detail-copy > p,
  .portal-article-hero p {
    font-size: 16px;
  }

  .portal-hero-media,
  .portal-product-window {
    aspect-ratio: 4 / 3;
    padding: 14px;
  }

  .portal-trust-grid,
  .portal-product-grid,
  .portal-content-grid,
  .portal-support-grid,
  .portal-case-grid {
    grid-template-columns: 1fr;
  }

  .portal-trust-grid div,
  .portal-trust-grid div:first-child {
    min-height: 0;
    border-left: 1px solid var(--portal-line);
    border-right: 1px solid var(--portal-line);
    border-bottom: 1px solid var(--portal-line);
  }

  .portal-section {
    padding: 64px 0;
  }

  .portal-section-heading h2,
  .portal-content-heading h2 {
    font-size: 30px;
  }

  .portal-product-card {
    grid-template-rows: 230px 1fr;
  }

  .portal-product-body,
  .portal-content-card,
  .portal-support-card,
  .portal-case-card-body {
    padding: 22px;
  }

  .portal-feature-list {
    grid-template-columns: 1fr;
  }

  .portal-card-footer {
    align-items: flex-end;
  }

  .portal-resource-links,
  .portal-filter-bar {
    grid-template-columns: 1fr;
  }

  .portal-resource-links a,
  .portal-resource-links a:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--portal-line);
  }

  .portal-resource-links a:last-child {
    border-bottom: 0;
  }

  .portal-download-row,
  .portal-document-row,
  .portal-knowledge-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .portal-download-name {
    grid-template-columns: 70px minmax(0, 1fr);
  }

  .portal-download-name img {
    width: 70px;
    height: 58px;
  }

  .portal-version-row {
    grid-template-columns: 1fr;
  }

  .portal-subnav-inner {
    gap: 20px;
  }

  .portal-subnav strong {
    display: none;
  }

  .portal-footer-grid,
  .portal-footer nav {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .portal-footer-bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* The company introduction resource menu is intentionally a single row. */
.portal-resource-links-five {
  grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
  grid-auto-flow: column;
}
/* Online customer service */
.customer-service{position:fixed;right:24px;bottom:28px;z-index:1200;font-family:inherit}.customer-service[hidden],.customer-service-panel[hidden]{display:none}.customer-service-trigger{display:flex;align-items:center;gap:8px;min-height:48px;padding:0 18px;border:0;border-radius:6px;background:#1769ff;color:#fff;box-shadow:0 8px 24px rgba(14,49,102,.24);cursor:pointer}.customer-service-trigger span{display:grid;place-items:center;width:24px;height:24px;border:2px solid currentColor;border-radius:50%;font-weight:700}.customer-service-panel{position:absolute;right:0;bottom:60px;width:360px;overflow:hidden;border:1px solid #dfe5ec;border-radius:8px;background:#fff;box-shadow:0 18px 48px rgba(21,38,61,.2)}.customer-service-panel>header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;background:#1769ff;color:#fff}.customer-service-panel>header div{display:flex;flex-direction:column;gap:2px}.customer-service-panel>header small{opacity:.8}.customer-service-close{position:relative;width:30px;height:30px;border:0;background:transparent;color:#fff;cursor:pointer}.customer-service-close span:before,.customer-service-close span:after{content:"";position:absolute;left:7px;top:14px;width:16px;height:2px;background:currentColor}.customer-service-close span:before{transform:rotate(45deg)}.customer-service-close span:after{transform:rotate(-45deg)}.customer-service-messages{height:230px;overflow-y:auto;padding:16px;background:#f5f7fa}.customer-service-messages p{max-width:85%;margin:0 0 10px;padding:9px 12px;border-radius:6px;line-height:1.5;white-space:pre-wrap}.customer-service-messages .is-agent{background:#fff;color:#28364a}.customer-service-messages .is-visitor{margin-left:auto;background:#1769ff;color:#fff}.customer-service-messages .is-error{background:#fff0f0;color:#b42318}.customer-service-panel form{padding:12px;background:#fff}.customer-service-fields{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:8px}.customer-service-panel input,.customer-service-panel textarea{width:100%;box-sizing:border-box;border:1px solid #d7dee8;border-radius:4px;padding:9px;font:inherit}.customer-service-panel textarea{min-height:76px;resize:vertical}.customer-service-panel form>button{width:100%;margin-top:8px;padding:10px;border:0;border-radius:4px;background:#1769ff;color:#fff;cursor:pointer}.customer-service-panel form>button:disabled{opacity:.55}
@media(max-width:600px){.customer-service{right:12px;bottom:14px}.customer-service-panel{position:fixed;right:10px;bottom:72px;left:10px;width:auto}.customer-service-trigger{min-height:44px;padding:0 14px}.customer-service-messages{height:210px}}
.customer-service-panel .customer-service-panel-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;background:#1769ff;color:#fff}.customer-service-panel-header>div{display:flex;flex-direction:column;gap:2px}.customer-service-panel-header small{opacity:.8}