/* wpslx.com.cn 根域：经典官方蓝白 */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: #1e293b;
  background: #ffffff;
}

img,
svg {
  vertical-align: middle;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 粘性白顶栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 1px 0 rgba(29, 78, 216, 0.04);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: 0.02em;
}

.brand:hover {
  text-decoration: none;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #1d4ed8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  padding: 8px 16px;
  border-radius: 8px;
  color: #475569;
  font-size: 15px;
  font-weight: 600;
}

.site-nav a:hover {
  background: #eff6ff;
  color: #1d4ed8;
  text-decoration: none;
}

.site-nav a.active {
  background: #2563eb;
  color: #ffffff;
}

/* Hero 全宽蓝渐变 */
.hero {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 48%, #3b82f6 100%);
  color: #ffffff;
  padding: 84px 0 88px;
}

.hero h1 {
  font-size: 38px;
  line-height: 1.28;
  font-weight: 800;
  max-width: 820px;
}

.hero-lead {
  margin-top: 18px;
  max-width: 740px;
  font-size: 17px;
  color: #dbeafe;
}

.hero-lead + .hero-lead {
  margin-top: 10px;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-light {
  background: #ffffff;
  color: #1d4ed8;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.16);
}

.btn-light:hover {
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.2);
}

.btn-line {
  background: transparent;
  color: #ffffff;
  border: 1.5px solid rgba(255, 255, 255, 0.75);
}

.btn-line:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-solid {
  background: #2563eb;
  color: #ffffff;
}

.btn-solid:hover {
  background: #1d4ed8;
}

.btn-ghost {
  background: #eff6ff;
  color: #1d4ed8;
}

.btn-ghost:hover {
  background: #dbeafe;
}

.is-loading {
  opacity: 0.75;
  pointer-events: none;
}

/* 区块 */
.block {
  padding: 72px 0;
}

.block-tint {
  background: #f8fafc;
}

.block-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 42px;
}

.block-head h2 {
  font-size: 28px;
  font-weight: 800;
  color: #0f172a;
}

.block-head p {
  margin-top: 12px;
  color: #64748b;
  font-size: 16px;
}

.block-intro {
  max-width: 820px;
  margin: 0 auto 32px;
  color: #334155;
}

.block-intro p + p {
  margin-top: 12px;
}

/* 卡片网格 */
.grid-3,
.grid-4,
.grid-2 {
  display: grid;
  gap: 22px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.panel {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 26px 24px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
}

.panel h3 {
  font-size: 18px;
  font-weight: 700;
  color: #0f172a;
  margin: 12px 0 8px;
}

.panel p {
  color: #475569;
  font-size: 15px;
}

.panel p + p {
  margin-top: 10px;
}

.panel ul {
  margin-top: 10px;
  padding-left: 18px;
  color: #475569;
  font-size: 15px;
}

.panel li + li {
  margin-top: 6px;
}

.ico {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #eff6ff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* 平台卡 */
.plat {
  text-align: center;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 28px 16px 24px;
}

.plat:hover {
  border-color: #2563eb;
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.1);
}

.plat h3 {
  margin: 12px 0 8px;
  font-size: 17px;
  color: #0f172a;
}

.plat p {
  color: #64748b;
  font-size: 14px;
  margin-bottom: 14px;
}

/* 功能深讲 */
.lane {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 44px;
}

.lane:last-child {
  margin-bottom: 0;
}

.lane-copy h3 {
  font-size: 21px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 12px;
}

.lane-copy p {
  color: #475569;
  margin-bottom: 10px;
}

.lane-copy ul {
  padding-left: 20px;
  color: #475569;
}

.lane-copy li + li {
  margin-top: 6px;
}

.lane-art {
  min-height: 210px;
  border-radius: 16px;
  background: linear-gradient(160deg, #eff6ff, #dbeafe);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lane-flip .lane-art {
  order: -1;
}

/* 数据卡 */
.meter {
  text-align: center;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 28px 16px;
}

.meter strong {
  display: block;
  font-size: 30px;
  font-weight: 800;
  color: #1d4ed8;
}

.meter span {
  display: block;
  margin-top: 6px;
  color: #64748b;
  font-size: 14px;
}

/* 评价 */
.quote p {
  color: #334155;
  font-size: 15px;
}

.quote p + p {
  margin-top: 8px;
}

.who {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #2563eb;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

.who b {
  display: block;
  font-size: 14px;
  color: #0f172a;
}

.who em {
  display: block;
  font-style: normal;
  font-size: 13px;
  color: #94a3b8;
}

/* 对比表 */
.sheet {
  width: 100%;
  overflow-x: auto;
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}

.sheet table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
}

.sheet th,
.sheet td {
  padding: 15px 16px;
  text-align: left;
  border-bottom: 1px solid #eef2f7;
  font-size: 15px;
}

.sheet thead th {
  background: #2563eb;
  color: #ffffff;
  font-weight: 600;
}

.sheet tbody tr:hover {
  background: #f8fafc;
}

.sheet .ok {
  color: #1d4ed8;
  font-weight: 700;
}

/* FAQ */
.ask-list {
  max-width: 840px;
  margin: 0 auto;
}

.ask {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 22px 24px;
  margin-bottom: 14px;
}

.ask h3 {
  font-size: 17px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 8px;
}

.ask p {
  color: #475569;
  font-size: 15px;
}

/* 步骤条 */
.stair {
  counter-reset: stair;
  max-width: 840px;
  margin: 0 auto;
}

.rung {
  position: relative;
  padding: 22px 24px 22px 74px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  margin-bottom: 14px;
}

.rung::before {
  counter-increment: stair;
  content: counter(stair);
  position: absolute;
  left: 22px;
  top: 22px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #2563eb;
  color: #ffffff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rung h3 {
  font-size: 17px;
  color: #0f172a;
  margin-bottom: 6px;
}

.rung p {
  color: #475569;
  font-size: 15px;
}

/* 下载主推 */
.push {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: center;
  background: #ffffff;
  border: 1px solid #dbeafe;
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.08);
}

.push h3 {
  font-size: 22px;
  color: #0f172a;
  margin-bottom: 10px;
}

.push p {
  color: #475569;
  margin-bottom: 12px;
}

.push-side {
  text-align: center;
  background: linear-gradient(160deg, #eff6ff, #dbeafe);
  border-radius: 14px;
  padding: 28px 16px;
}

.push-side p {
  color: #1e3a8a;
  font-size: 14px;
  margin: 10px 0 16px;
}

/* 文章页 */
.mast {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
  color: #ffffff;
  padding: 72px 0 68px;
}

.mast h1 {
  font-size: 34px;
  font-weight: 800;
  max-width: 800px;
}

.mast p {
  margin-top: 14px;
  max-width: 720px;
  color: #dbeafe;
  font-size: 17px;
}

.article {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 0 72px;
}

.article h2 {
  font-size: 26px;
  font-weight: 800;
  color: #0f172a;
  margin: 40px 0 14px;
}

.article h3 {
  font-size: 19px;
  font-weight: 700;
  color: #1e293b;
  margin: 24px 0 10px;
}

.article p {
  margin-bottom: 14px;
  color: #334155;
}

.article ul,
.article ol {
  padding-left: 22px;
  margin-bottom: 16px;
  color: #334155;
}

.article li + li {
  margin-top: 6px;
}

.final-cta {
  margin-top: 20px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 16px;
  padding: 32px 28px;
  text-align: center;
}

.final-cta p {
  color: #1e3a8a;
}

/* 页脚：蓝白体系浅底 */
.site-foot {
  background: #f1f5f9;
  border-top: 1px solid #e2e8f0;
  color: #475569;
  padding: 44px 0 28px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 28px;
}

.site-foot h3 {
  font-size: 15px;
  color: #0f172a;
  margin-bottom: 10px;
}

.site-foot p {
  font-size: 14px;
  color: #64748b;
}

.site-foot a {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  color: #475569;
}

.site-foot a:hover {
  color: #1d4ed8;
}

.foot-note {
  border-top: 1px solid #e2e8f0;
  padding-top: 18px;
  font-size: 13px;
  color: #64748b;
}

.foot-note p + p {
  margin-top: 6px;
}

@media (max-width: 900px) {
  .grid-3,
  .grid-4,
  .grid-2,
  .lane,
  .push,
  .foot-grid {
    grid-template-columns: 1fr;
  }

  .lane-flip .lane-art {
    order: 0;
  }

  .hero h1,
  .mast h1 {
    font-size: 28px;
  }

  .site-nav a {
    padding: 7px 10px;
    font-size: 13px;
  }

  .header-bar {
    height: auto;
    min-height: 66px;
    padding: 10px 0;
    flex-wrap: wrap;
    gap: 8px;
  }
}
