/* WPS Office 网页办公入口 · 深色工具站 */
:root {
  --wb-bg: #0b1220;
  --wb-card: #151c2c;
  --wb-text: #e8eef7;
  --wb-muted: #9aa8bd;
  --wb-accent: #2dd4bf;
  --wb-btn: #38bdf8;
  --wb-btn-ink: #082032;
  --wb-line: #243044;
  --wb-top: #101828;
  --wb-chip: #1b2436;
  --wb-danger: #f87171;
  --wb-ok: #34d399;
  --wb-max: 1120px;
}

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

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

html {
  scroll-behavior: auto;
}

body {
  min-height: 100vh;
  background-color: var(--wb-bg);
  background-image:
    linear-gradient(180deg, rgba(45, 212, 191, 0.03), transparent 28%),
    repeating-linear-gradient(
      90deg,
      rgba(36, 48, 68, 0.35) 0 1px,
      transparent 1px 72px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(36, 48, 68, 0.22) 0 1px,
      transparent 1px 72px
    );
  color: var(--wb-text);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.75;
}

img {
  max-width: 100%;
  height: auto;
  border: 0;
}

a {
  color: var(--wb-accent);
  text-underline-offset: 0.18em;
}

a:hover {
  color: #5eead4;
}

.wb-skip {
  position: absolute;
  left: 12px;
  top: 10px;
  z-index: 60;
  padding: 6px 10px;
  background: var(--wb-btn);
  color: var(--wb-btn-ink);
  text-decoration: none;
  font-weight: 700;
}

.wb-skip:not(:focus) {
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.wb-wrap {
  width: min(var(--wb-max), calc(100% - 32px));
  margin-left: auto;
  margin-right: auto;
}

.wb-mono {
  font-family: ui-monospace, "Cascadia Code", Consolas, "Courier New", monospace;
  font-size: 0.92em;
  color: var(--wb-accent);
  word-break: break-all;
}

.wb-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--wb-top);
  border-bottom: 1px solid var(--wb-line);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.wb-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.wb-topbar-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
}

.wb-topbar-label {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.wb-head {
  border-bottom: 1px solid var(--wb-line);
  background: rgba(11, 18, 32, 0.88);
}

.wb-head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.wb-brand {
  color: var(--wb-text);
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.wb-brand:hover {
  color: var(--wb-accent);
}

.wb-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.wb-nav a {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--wb-line);
  border-radius: 8px;
  background: var(--wb-chip);
  color: var(--wb-text);
  text-decoration: none;
  font-size: 0.95rem;
}

.wb-nav a:hover,
.wb-nav a:focus {
  border-color: var(--wb-accent);
  color: var(--wb-accent);
}

.wb-nav a.is-on {
  border-color: var(--wb-btn);
  color: var(--wb-btn);
}

.wb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: 8px;
  background: var(--wb-btn);
  color: var(--wb-btn-ink);
  font-weight: 800;
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
}

.wb-btn:hover,
.wb-btn:focus {
  color: var(--wb-btn-ink);
  filter: brightness(1.06);
}

.wb-btn-ghost {
  background: transparent;
  color: var(--wb-accent);
  border-color: var(--wb-accent);
}

.wb-btn-ghost:hover,
.wb-btn-ghost:focus {
  color: var(--wb-accent);
  background: rgba(45, 212, 191, 0.08);
  filter: none;
}

.wb-main {
  padding: 28px 0 56px;
}

.wb-hero,
.wb-sec,
.wb-card,
.wb-quote,
.wb-plat,
.wb-foot-box {
  background: var(--wb-card);
  border: 1px solid var(--wb-line);
  border-radius: 12px;
}

.wb-hero {
  padding: 28px 28px 30px;
  margin-bottom: 22px;
  border-left: 3px solid var(--wb-accent);
}

.wb-kicker {
  margin: 0 0 8px;
  color: var(--wb-accent);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.wb-hero h1,
.wb-sec h2 {
  margin: 0 0 12px;
  line-height: 1.35;
}

.wb-hero h1 {
  font-size: clamp(1.6rem, 3vw, 2.15rem);
}

.wb-lead,
.wb-sec p,
.wb-card p,
.wb-quote p,
.wb-plat p,
.wb-faq p,
.wb-foot p {
  margin: 0 0 14px;
}

.wb-sec p:last-child,
.wb-card p:last-child,
.wb-quote p:last-child,
.wb-plat p:last-child,
.wb-faq p:last-child {
  margin-bottom: 0;
}

.wb-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
}

.wb-chip {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--wb-chip);
  border: 1px solid var(--wb-line);
  color: var(--wb-muted);
  font-size: 0.86rem;
}

.wb-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.wb-sec {
  padding: 24px 26px 26px;
  margin-bottom: 18px;
}

.wb-sec h2 {
  font-size: 1.35rem;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--wb-line);
}

.wb-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.wb-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.wb-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.wb-card,
.wb-plat,
.wb-quote {
  padding: 16px 16px 18px;
}

.wb-card h3,
.wb-plat h3,
.wb-quote figcaption {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.wb-stat {
  padding: 16px;
  background: var(--wb-chip);
  border: 1px solid var(--wb-line);
  border-radius: 10px;
}

.wb-stat b {
  display: block;
  color: var(--wb-btn);
  font-size: 1.25rem;
}

.wb-stat span {
  color: var(--wb-muted);
  font-size: 0.9rem;
}

.wb-list {
  margin: 0 0 14px;
  padding-left: 1.2em;
}

.wb-list li {
  margin: 0 0 8px;
}

.wb-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: wbstep;
}

.wb-steps li {
  position: relative;
  margin: 0 0 12px;
  padding: 12px 14px 12px 52px;
  background: var(--wb-chip);
  border: 1px solid var(--wb-line);
  border-radius: 10px;
}

.wb-steps li::before {
  counter-increment: wbstep;
  content: counter(wbstep);
  position: absolute;
  left: 12px;
  top: 12px;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--wb-btn);
  color: var(--wb-btn-ink);
  font-weight: 800;
  text-align: center;
  line-height: 28px;
}

.wb-table-wrap {
  overflow-x: auto;
  margin-top: 14px;
}

.wb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.wb-table th,
.wb-table td {
  border: 1px solid var(--wb-line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.wb-table th {
  background: var(--wb-chip);
  color: var(--wb-accent);
  font-weight: 700;
}

.wb-quote {
  margin: 0;
}

.wb-quote figcaption {
  color: var(--wb-muted);
  font-style: normal;
}

.wb-faq details {
  margin: 0 0 10px;
  padding: 12px 14px;
  background: var(--wb-chip);
  border: 1px solid var(--wb-line);
  border-radius: 10px;
}

.wb-faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--wb-btn);
}

.wb-faq details p {
  margin-top: 10px;
}

.wb-note {
  margin-top: 14px;
  padding: 12px 14px;
  border-left: 3px solid var(--wb-btn);
  background: var(--wb-chip);
  color: var(--wb-muted);
}

.wb-foot {
  border-top: 1px solid var(--wb-line);
  padding: 28px 0 36px;
  background: #080e1a;
}

.wb-foot-box {
  padding: 18px 20px 20px;
  margin-bottom: 16px;
}

.wb-foot h2,
.wb-foot .wb-verify-title {
  margin: 0 0 10px;
  font-size: 1.05rem;
  color: var(--wb-accent);
}

.wb-ok {
  color: var(--wb-ok);
}

.wb-foot-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-bottom: 14px;
}

.wb-legal {
  color: var(--wb-muted);
  font-size: 0.92rem;
}

.wb-warn {
  color: var(--wb-danger);
}

@media (max-width: 860px) {
  .wb-grid,
  .wb-grid-3,
  .wb-grid-4 {
    grid-template-columns: 1fr;
  }

  .wb-head-inner,
  .wb-topbar-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .wb-btn {
    width: 100%;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .wb-hero,
  .wb-sec {
    padding: 18px 16px 20px;
  }
}

span.wb-btn {
  cursor: default;
  pointer-events: none;
}