/* WPS Office cn desk layout — light green office desk */
:root {
  --desk-bg: #f0fdf4;
  --desk-primary: #166534;
  --desk-primary-deep: #14532d;
  --desk-accent: #22c55e;
  --desk-soft: #dcfce7;
  --desk-line: #bbf7d0;
  --desk-text: #14532d;
  --desk-muted: #3f6212;
  --desk-white: #ffffff;
  --desk-radius: 4px;
  --desk-max: 1080px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--desk-text);
  background: var(--desk-bg);
}

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

a {
  color: var(--desk-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.desk-wrap {
  width: min(100% - 32px, var(--desk-max));
  margin-inline: auto;
}

/* top tip bar */
.desk-tipbar {
  background: var(--desk-primary);
  color: #ecfdf5;
  font-size: 13px;
  padding: 8px 0;
  letter-spacing: 0.02em;
}

.desk-tipbar p {
  margin: 0;
}

/* white navigation */
.desk-nav {
  background: var(--desk-white);
  border-bottom: 1px solid var(--desk-line);
  position: sticky;
  top: 0;
  z-index: 40;
}

.desk-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
}

.desk-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--desk-primary-deep);
  text-decoration: none;
}

.desk-brand:hover {
  text-decoration: none;
}

.desk-brand svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.desk-menu {
  display: flex;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.desk-menu a {
  display: block;
  padding: 8px 14px;
  border-radius: var(--desk-radius);
  color: var(--desk-muted);
  font-weight: 600;
  text-decoration: none;
}

.desk-menu a:hover,
.desk-menu a.active {
  background: var(--desk-soft);
  color: var(--desk-primary);
  text-decoration: none;
}

/* hero — left border accent */
.desk-hero {
  padding: 36px 0 28px;
}

.desk-hero-panel {
  background: var(--desk-white);
  border-left: 6px solid var(--desk-primary);
  padding: 28px 28px 24px;
  box-shadow: 0 1px 0 rgba(22, 101, 52, 0.06);
}

.desk-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(1.45rem, 2.4vw, 1.95rem);
  line-height: 1.35;
  color: var(--desk-primary-deep);
  font-weight: 800;
}

.desk-hero-lead {
  margin: 0 0 18px;
  max-width: 46em;
  color: var(--desk-muted);
}

.desk-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.desk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: var(--desk-radius);
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.desk-btn:hover {
  text-decoration: none;
}

.desk-btn-primary {
  background: var(--desk-primary);
  color: #fff;
}

.desk-btn-primary:hover {
  background: var(--desk-primary-deep);
  color: #fff;
}

.desk-btn-ghost {
  background: var(--desk-soft);
  color: var(--desk-primary);
  border-color: var(--desk-line);
}

.desk-btn-ghost:hover {
  background: #bbf7d0;
  color: var(--desk-primary-deep);
}

.desk-btn svg {
  width: 16px;
  height: 16px;
}

/* four number cells under buttons */
.desk-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.desk-stat {
  background: var(--desk-bg);
  border: 1px solid var(--desk-line);
  border-radius: var(--desk-radius);
  padding: 14px 12px;
  text-align: left;
}

.desk-stat strong {
  display: block;
  font-size: 1.35rem;
  color: var(--desk-primary);
  line-height: 1.2;
}

.desk-stat span {
  font-size: 13px;
  color: var(--desk-muted);
}

/* section shells */
.desk-section {
  padding: 28px 0;
}

.desk-section h2 {
  margin: 0 0 14px;
  font-size: 1.35rem;
  color: var(--desk-primary-deep);
  font-weight: 800;
}

.desk-section-intro {
  margin: 0 0 18px;
  color: var(--desk-muted);
  max-width: 52em;
}

/* horizontal platform download strip */
.desk-platforms {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.desk-platform {
  background: var(--desk-white);
  border: 1px solid var(--desk-line);
  border-radius: var(--desk-radius);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 150px;
}

.desk-platform h3 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--desk-primary-deep);
}

.desk-platform p {
  margin: 0;
  flex: 1;
  font-size: 14px;
  color: var(--desk-muted);
}

.desk-platform .desk-btn {
  align-self: flex-start;
  padding: 8px 14px;
  font-size: 14px;
}

/* bento grid */
.desk-bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.desk-bento-item {
  background: var(--desk-white);
  border: 1px solid var(--desk-line);
  border-radius: var(--desk-radius);
  padding: 20px 18px;
}

.desk-bento-item.desk-span-2 {
  grid-column: span 2;
  background: linear-gradient(135deg, #ecfdf5 0%, #ffffff 55%);
  border-color: #86efac;
}

.desk-bento-item h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
  color: var(--desk-primary-deep);
}

.desk-bento-item p {
  margin: 0;
  font-size: 14px;
  color: var(--desk-muted);
}

.desk-bento-item svg {
  width: 28px;
  height: 28px;
  margin-bottom: 10px;
  color: var(--desk-primary);
}

/* long copy */
.desk-prose {
  background: var(--desk-white);
  border: 1px solid var(--desk-line);
  border-radius: var(--desk-radius);
  padding: 22px 24px;
}

.desk-prose p {
  margin: 0 0 14px;
}

.desk-prose p:last-child {
  margin-bottom: 0;
}

.desk-prose ul {
  margin: 0 0 14px;
  padding-left: 1.2em;
}

.desk-prose li {
  margin-bottom: 6px;
}

/* green-header comparison table */
.desk-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--desk-line);
  border-radius: var(--desk-radius);
  background: var(--desk-white);
}

.desk-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.desk-table th {
  background: var(--desk-primary);
  color: #fff;
  text-align: left;
  padding: 12px 14px;
  font-weight: 700;
}

.desk-table td {
  padding: 11px 14px;
  border-top: 1px solid var(--desk-line);
  color: var(--desk-muted);
  vertical-align: top;
}

.desk-table tr:nth-child(even) td {
  background: #f7fee7;
}

/* review tags */
.desk-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.desk-tag {
  display: inline-block;
  padding: 8px 14px;
  background: var(--desk-white);
  border: 1px solid var(--desk-line);
  border-radius: var(--desk-radius);
  font-size: 14px;
  color: var(--desk-primary-deep);
}

.desk-tag em {
  font-style: normal;
  color: var(--desk-primary);
  font-weight: 700;
}

/* dense news rows — not cards */
.desk-news {
  background: var(--desk-white);
  border: 1px solid var(--desk-line);
  border-radius: var(--desk-radius);
}

.desk-news-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 14px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--desk-line);
}

.desk-news-row:last-child {
  border-bottom: none;
}

.desk-news-date {
  font-size: 13px;
  font-weight: 700;
  color: var(--desk-primary);
}

.desk-news-body strong {
  display: block;
  margin-bottom: 4px;
  color: var(--desk-primary-deep);
  font-size: 15px;
}

.desk-news-body p {
  margin: 0;
  font-size: 14px;
  color: var(--desk-muted);
}

/* FAQ with green numbered circles */
.desk-faq {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.desk-faq-item {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  background: var(--desk-white);
  border: 1px solid var(--desk-line);
  border-radius: var(--desk-radius);
  padding: 16px 18px;
}

.desk-faq-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--desk-primary);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.desk-faq-item h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  color: var(--desk-primary-deep);
}

.desk-faq-item p {
  margin: 0 0 8px;
  color: var(--desk-muted);
  font-size: 15px;
}

.desk-faq-item p:last-child {
  margin-bottom: 0;
}

/* install / req helpers */
.desk-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.desk-panel {
  background: var(--desk-white);
  border: 1px solid var(--desk-line);
  border-radius: var(--desk-radius);
  padding: 18px 20px;
}

.desk-panel h3 {
  margin: 0 0 10px;
  color: var(--desk-primary-deep);
  font-size: 1.05rem;
}

.desk-panel ol,
.desk-panel ul {
  margin: 0;
  padding-left: 1.2em;
  color: var(--desk-muted);
}

.desk-panel li {
  margin-bottom: 6px;
}

.desk-req-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.desk-req-item {
  background: var(--desk-white);
  border-left: 4px solid var(--desk-accent);
  border-radius: var(--desk-radius);
  padding: 14px 16px;
  border-top: 1px solid var(--desk-line);
  border-right: 1px solid var(--desk-line);
  border-bottom: 1px solid var(--desk-line);
}

.desk-req-item strong {
  display: block;
  margin-bottom: 4px;
  color: var(--desk-primary-deep);
}

.desk-req-item span {
  font-size: 14px;
  color: var(--desk-muted);
}

/* footer */
.desk-footer {
  margin-top: 36px;
  background: var(--desk-primary-deep);
  color: #dcfce7;
  padding: 28px 0;
  font-size: 14px;
}

.desk-footer p {
  margin: 0 0 10px;
  line-height: 1.65;
}

.desk-footer p:last-child {
  margin-bottom: 0;
}

.desk-footer-safe {
  font-weight: 700;
  color: #fff;
}

/* narrow screens — single column */
@media (max-width: 900px) {
  .desk-stats,
  .desk-platforms,
  .desk-bento,
  .desk-split,
  .desk-req-list {
    grid-template-columns: 1fr;
  }

  .desk-bento-item.desk-span-2 {
    grid-column: span 1;
  }

  .desk-nav-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 0;
  }

  .desk-menu {
    flex-wrap: wrap;
  }

  .desk-news-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .desk-hero-panel {
    padding: 22px 18px;
  }
}

@media (max-width: 640px) {
  .desk-cta-row {
    flex-direction: column;
  }

  .desk-btn {
    width: 100%;
  }

  .desk-faq-item {
    grid-template-columns: 1fr;
  }
}