/* WPS Office 官网 · 第1套根域名 · 蓝白正式风 */
html {
  scroll-behavior: auto;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: #1d2b3a;
  background: #f4f8fd;
}

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

a {
  color: #0b5fff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid #0b5fff;
  outline-offset: 2px;
}

.s1-wrap {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.s1-header {
  background: #fff;
  border-bottom: 1px solid #d7e4f5;
  position: sticky;
  top: 0;
  z-index: 20;
}

.s1-header-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.s1-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #0b1f3a;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.s1-brand:hover {
  text-decoration: none;
  color: #0b5fff;
}

.s1-brand-mark {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
}

.s1-brand-name {
  font-size: 18px;
}

.s1-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.s1-nav a {
  color: #334155;
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
}

.s1-nav a:hover,
.s1-nav a.is-current,
.s1-nav a[aria-current="page"] {
  color: #0b5fff;
  background: #eef5ff;
  text-decoration: none;
}

.s1-hero {
  background:
    linear-gradient(180deg, #e8f1ff 0%, #f7fbff 46%, #ffffff 100%);
  border-bottom: 1px solid #d7e4f5;
  padding: 48px 0 40px;
}

.s1-hero-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.s1-kicker {
  margin: 0 0 10px;
  color: #0b5fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.s1-hero h1,
.s1-page-head h1 {
  margin: 0 0 20px;
  color: #0b1f3a;
  font-size: 34px;
  line-height: 1.35;
  font-weight: 750;
  max-width: 18em;
}

.s1-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
}

.s1-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid #b8d0f2;
  background: #fff;
  color: #0b5fff;
  font-weight: 700;
  text-decoration: none;
}

.s1-btn:hover {
  text-decoration: none;
  background: #eef5ff;
}

.s1-btn-primary {
  min-height: 56px;
  padding: 14px 28px;
  font-size: 18px;
  color: #fff;
  background: #0b5fff;
  border-color: #0b5fff;
  box-shadow: 0 8px 20px rgba(11, 95, 255, 0.22);
}

.s1-btn-primary:hover {
  background: #0848d1;
  border-color: #0848d1;
  color: #fff;
}

.s1-btn-dark {
  color: #fff;
  background: #0b1f3a;
  border-color: #0b1f3a;
}

.s1-btn-dark:hover {
  color: #fff;
  background: #16355c;
}

.s1-hero-lead,
.s1-lead {
  margin: 0 0 18px;
  max-width: 46em;
  color: #334155;
  font-size: 17px;
}

.s1-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.s1-pills li {
  background: #fff;
  border: 1px solid #d7e4f5;
  color: #0b1f3a;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 700;
}

.s1-main {
  padding: 8px 0 56px;
}

.s1-section {
  padding: 36px 0;
}

.s1-section h2 {
  margin: 0 0 16px;
  color: #0b1f3a;
  font-size: 24px;
  line-height: 1.4;
}

.s1-section h3 {
  margin: 22px 0 10px;
  color: #16355c;
  font-size: 18px;
}

.s1-section p {
  margin: 0 0 14px;
}

.s1-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 18px 0 8px;
}

.s1-card {
  background: #fff;
  border: 1px solid #d7e4f5;
  border-radius: 12px;
  padding: 22px 20px 18px;
}

.s1-card h3 {
  margin: 12px 0 8px;
  font-size: 18px;
}

.s1-card p:last-child {
  margin-bottom: 0;
}

.s1-icon {
  width: 36px;
  height: 36px;
  color: #0b5fff;
}

.s1-dl-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.s1-dl-card {
  background: #fff;
  border: 1px solid #d7e4f5;
  border-radius: 12px;
  padding: 20px;
}

.s1-dl-card h3 {
  margin: 0 0 8px;
}

.s1-quote-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.s1-quote {
  background: #fff;
  border: 1px solid #d7e4f5;
  border-radius: 12px;
  padding: 20px;
}

.s1-quote p {
  margin: 0 0 12px;
}

.s1-quote footer {
  color: #64748b;
  font-size: 14px;
}

.s1-table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid #d7e4f5;
  border-radius: 12px;
}

.s1-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.s1-table th,
.s1-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid #e6eef8;
  vertical-align: top;
}

.s1-table th {
  background: #eef5ff;
  color: #0b1f3a;
  font-weight: 700;
}

.s1-table tr:last-child td {
  border-bottom: 0;
}

.s1-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: s1step;
}

.s1-steps li {
  position: relative;
  background: #fff;
  border: 1px solid #d7e4f5;
  border-radius: 12px;
  padding: 16px 18px 16px 64px;
  margin: 0 0 12px;
  counter-increment: s1step;
}

.s1-steps li::before {
  content: counter(s1step);
  position: absolute;
  left: 16px;
  top: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #0b5fff;
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.s1-steps h3 {
  margin: 0 0 6px;
}

.s1-faq {
  margin: 18px 0 0;
}

.s1-faq-item {
  background: #fff;
  border: 1px solid #d7e4f5;
  border-radius: 12px;
  padding: 16px 18px;
  margin: 0 0 12px;
}

.s1-faq-item h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.s1-faq-item p:last-child {
  margin-bottom: 0;
}

.s1-cta {
  background: #eef5ff;
  border: 1px solid #c9ddf8;
  border-radius: 12px;
  padding: 22px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.s1-cta p {
  margin: 0;
  max-width: 40em;
}

.s1-page-head {
  padding: 36px 0 8px;
}

.s1-footer {
  background: #0b1f3a;
  color: #d7e4f5;
  padding: 28px 0 32px;
}

.s1-footer p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
}

.s1-footer p:last-child {
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .s1-hero h1,
  .s1-page-head h1 {
    font-size: 28px;
    max-width: none;
  }

  .s1-grid-3,
  .s1-quote-grid,
  .s1-dl-grid {
    grid-template-columns: 1fr;
  }

  .s1-hero {
    padding: 36px 0 28px;
  }

  .s1-section {
    padding: 28px 0;
  }
}

@media (max-width: 640px) {
  .s1-header-inner,
  .s1-wrap,
  .s1-hero-inner {
    width: calc(100% - 28px);
  }

  .s1-header-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 0;
    gap: 8px;
    min-height: 0;
  }

  .s1-nav {
    flex-wrap: wrap;
  }

  .s1-hero h1,
  .s1-page-head h1 {
    font-size: 24px;
  }

  .s1-btn-primary {
    width: 100%;
    min-height: 52px;
    font-size: 17px;
  }

  .s1-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .s1-section h2 {
    font-size: 20px;
  }

  .s1-cta {
    padding: 16px;
  }

  .s1-steps li {
    padding-left: 58px;
  }
}