/* wpsmb.com.cn 第1套 · 根域名 · 报纸分栏 */
:root {
  --paper: #f4efe4;
  --ink: #1c1914;
  --navy: #1e3a5f;
  --gold: #b0892a;
  --rule: #c9b37a;
  --box: #ebe3d2;
  --muted: #5a5348;
  --line: #d8cdb4;
}

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

html {
  font-size: 18px;
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(180deg, rgba(176, 137, 42, 0.07), transparent 9rem),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 31px,
      rgba(28, 25, 20, 0.025) 31px,
      rgba(28, 25, 20, 0.025) 32px
    );
  font-family: "Songti SC", "Songti TC", "STSong", "SimSun", "Noto Serif CJK SC", Georgia, "Times New Roman", serif;
  line-height: 1.75;
}

img,
svg {
  display: inline-block;
  vertical-align: middle;
}

a {
  color: var(--navy);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--gold);
}

.wrap {
  width: min(1120px, calc(100% - 2.4rem));
  margin: 0 auto;
}

/* —— 报头 —— */
.mast {
  border-top: 3px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  background: rgba(244, 239, 228, 0.96);
}

.mast-inner {
  padding: 1.15rem 0 0.85rem;
}

.mast-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  margin: 0;
  color: var(--navy);
  letter-spacing: 0.28em;
  text-transform: none;
  font-size: 1.65rem;
  font-weight: 700;
  text-decoration: none;
}

.mast-brand:hover {
  color: var(--navy);
  text-decoration: none;
}

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

.mast-kicker {
  margin: 0.2rem 0 0.75rem;
  text-align: center;
  color: var(--muted);
  letter-spacing: 0.22em;
  font-size: 0.72rem;
}

.mast-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
  border-top: 1px solid var(--gold);
  padding-top: 0.45rem;
}

.mast-nav a {
  position: relative;
  padding: 0.35rem 1.15rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.12em;
  font-size: 0.92rem;
}

.mast-nav a + a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 0.85em;
  background: var(--gold);
  transform: translateY(-50%);
}

.mast-nav a:hover {
  color: var(--navy);
}

.mast-nav a.active,
.mast-nav a[aria-current="page"] {
  color: var(--navy);
  font-weight: 700;
}

.mast-nav a.active::after,
.mast-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 1.15rem;
  right: 1.15rem;
  bottom: 0.08rem;
  height: 2px;
  background: var(--gold);
}

.dateline {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.85rem 0 0;
  color: var(--muted);
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

/* —— Hero 左右分栏 —— */
.split-hero {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 2rem;
  padding: 2rem 0 1.6rem;
  border-bottom: 2px solid var(--navy);
}

.split-hero h1 {
  margin: 0 0 0.85rem;
  color: var(--navy);
  font-size: clamp(1.7rem, 3.4vw, 2.35rem);
  line-height: 1.28;
  letter-spacing: 0.04em;
}

.lede {
  margin: 0 0 1rem;
  font-size: 1.02rem;
}

.hero-box {
  border: 1px solid var(--gold);
  background: var(--box);
  padding: 1.15rem 1.2rem 1.25rem;
}

.hero-box h3 {
  margin: 0 0 0.55rem;
  color: var(--navy);
  letter-spacing: 0.16em;
  font-size: 0.86rem;
}

.hero-box p {
  margin: 0 0 0.7rem;
  font-size: 0.95rem;
}

.hero-box p:last-child {
  margin-bottom: 0;
}

/* —— 按钮 —— */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0.2rem 0.5rem 0.2rem 0;
  padding: 0.48rem 1.05rem;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: #f7f1e4;
  text-decoration: none;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
  font-family: inherit;
}

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

.btn:hover {
  background: #152a46;
  border-color: var(--gold);
  color: #f7f1e4;
}

.btn-ghost {
  background: transparent;
  color: var(--navy);
}

.btn-ghost:hover {
  background: var(--navy);
  color: #f7f1e4;
}

[data-download].is-loading {
  pointer-events: none;
  cursor: wait;
  animation: ink-pulse 0.85s ease-in-out infinite;
}

@keyframes ink-pulse {
  50% {
    filter: brightness(1.12);
  }
}

/* —— 章节 —— */
.section {
  padding: 1.7rem 0 0.4rem;
}

.section > h2 {
  margin: 0 0 0.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--gold);
  color: var(--navy);
  font-size: 1.28rem;
  letter-spacing: 0.06em;
}

.section h3 {
  margin: 0.9rem 0 0.35rem;
  color: var(--navy);
  font-size: 1.02rem;
}

.section p {
  margin: 0 0 0.85rem;
}

.rule {
  height: 0;
  margin: 1.1rem 0;
  border: 0;
  border-top: 1px solid var(--gold);
}

/* 功能深讲：两栏长文 */
.ink {
  column-count: 2;
  column-gap: 2.1rem;
  column-rule: 1px solid var(--gold);
}

.ink p:first-child::first-letter {
  float: left;
  margin: 0.12rem 0.35rem 0 0;
  color: var(--navy);
  font-size: 2.6rem;
  line-height: 0.85;
  font-weight: 700;
}

/* 核心能力四栏 */
.cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem 1.3rem;
}

.cols article {
  border-top: 2px solid var(--navy);
  padding-top: 0.55rem;
}

.cols h3 {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0;
}

.cols svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* 数据横条 */
.nums {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0.4rem 0 1rem;
  border-top: 2px solid var(--navy);
  border-bottom: 2px solid var(--navy);
}

.nums div {
  padding: 0.85rem 0.7rem;
  text-align: center;
}

.nums div + div {
  border-left: 1px solid var(--gold);
}

.nums strong {
  display: block;
  color: var(--navy);
  font-size: 1.7rem;
  letter-spacing: 0.04em;
  line-height: 1.15;
  font-family: "Palatino Linotype", Palatino, Georgia, serif;
}

.nums span {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.82rem;
}

/* 平台入口 */
.plats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 2rem;
}

.plats h3 {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.plats svg {
  width: 18px;
  height: 18px;
}

/* 对比表 */
.sheet {
  width: 100%;
  border-collapse: collapse;
  margin: 0.4rem 0 1.1rem;
  font-size: 0.92rem;
}

.sheet th,
.sheet td {
  border: 1px solid var(--line);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

.sheet th {
  background: var(--navy);
  color: #f4efe4;
  font-weight: 700;
}

.sheet tr:nth-child(even) td {
  background: rgba(176, 137, 42, 0.08);
}

/* 评价引文 */
.cite {
  margin: 0 0 1.15rem;
  padding: 0.15rem 0 0.15rem 1rem;
  border-left: 3px solid var(--gold);
}

.cite p {
  margin: 0 0 0.55rem;
}

.cite footer {
  color: var(--muted);
  font-size: 0.88rem;
}

/* FAQ 始终展开 */
.ask {
  margin: 0 0 1.4rem;
}

.ask dt {
  margin: 0.95rem 0 0.3rem;
  color: var(--navy);
  font-weight: 700;
}

.ask dd {
  margin: 0 0 0.35rem;
}

/* 下载页步骤 */
.steps {
  counter-reset: step;
}

.steps li {
  list-style: none;
  position: relative;
  margin: 0 0 0.95rem;
  padding-left: 2.2rem;
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid var(--gold);
  color: var(--navy);
  text-align: center;
  line-height: 1.4rem;
  font-size: 0.82rem;
  font-weight: 700;
}

/* 中文页 CTA */
.cta-band {
  margin: 1.4rem 0 0.4rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--gold);
  background: var(--box);
}

.cta-band p {
  margin: 0 0 0.7rem;
}

/* 页脚 */
.site-foot {
  margin-top: 2.2rem;
  padding: 1.2rem 0 1.6rem;
  border-top: 3px solid var(--gold);
  color: var(--muted);
  font-size: 0.86rem;
}

.site-foot p {
  margin: 0 0 0.45rem;
}

/* 响应式：窄屏单列 */
@media (max-width: 860px) {
  .split-hero,
  .ink,
  .cols,
  .plats,
  .nums {
    display: block;
    column-count: 1;
  }

  .ink {
    column-rule: none;
  }

  .nums div + div,
  .cols article {
    border-left: 0;
    border-top: 1px solid var(--gold);
  }

  .nums div,
  .cols article {
    padding: 0.75rem 0;
  }

  .dateline {
    flex-direction: column;
    gap: 0.2rem;
  }
}

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

  .mast-brand {
    letter-spacing: 0.12em;
    font-size: 1.35rem;
  }

  .mast-nav a {
    padding: 0.35rem 0.55rem;
    letter-spacing: 0.04em;
  }

  .sheet {
    display: block;
    overflow-x: auto;
  }
}