/**
 * 全站布局与设计令牌（对齐《网站首页视觉与布局高级化重构方案》三、十、十一章）
 * 在 site-shell.css 之后加载；首页可与 homepage-refine.css 叠加。
 */

:root {
  --layout-max: 1240px;
  --layout-max-wide: 1320px;
  --layout-pad-x: 24px;
  --layout-pad-x-mobile: 16px;
  --color-body: #1f2933;
  --color-muted: #66756d;
  --color-green-deep: #14532d;
  --color-green-mid: #2d7a4e;
  --color-gold: #c9961a;
}

/* 主内容区内链接：避免 visited 紫色（不作用于顶栏/全屏阅读器等） */
.container a,
.home-section-container a,
main a,
.article a {
  color: var(--color-green-mid, #2d7a4e);
}
.container a:visited,
.home-section-container a:visited,
main a:visited,
.article a:visited {
  color: #2a6d45;
}
.container a:hover,
.home-section-container a:hover,
main a:hover,
.article a:hover {
  color: var(--color-green-deep, #14532d);
}

/* 统一居中容器（全站 .container / .home-section-container） */
.container,
.home-section-container {
  width: 100%;
  max-width: var(--layout-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--layout-pad-x);
  padding-right: var(--layout-pad-x);
  box-sizing: border-box;
}

@media (min-width: 1440px) {
  .container,
  .home-section-container {
    max-width: var(--layout-max-wide);
  }
}

@media (max-width: 768px) {
  .container,
  .home-section-container {
    padding-left: var(--layout-pad-x-mobile);
    padding-right: var(--layout-pad-x-mobile);
  }
}

/* 方案十：板块标题（可选用 .section-heading 包裹） */
.section-heading {
  text-align: center;
  margin-bottom: 36px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-heading .section-kicker {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 13px;
  letter-spacing: 4px;
  color: #2e7d46;
  font-weight: 600;
}

.section-heading h2 {
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.25;
  color: #102a1d;
  font-weight: 800;
  margin: 0;
}

.section-heading .highlight {
  color: #1f7a4a;
}

.section-heading p {
  margin-top: 14px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.75;
}

@media (max-width: 768px) {
  .section-heading {
    margin-bottom: 24px;
  }

  .section-heading h2 {
    font-size: 25px;
  }

  .section-heading p {
    font-size: 14px;
  }
}

/* 方案十一：主按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, #14532d, #207a4a);
  color: #fff !important;
  border: none;
  box-shadow: 0 10px 24px rgba(20, 83, 45, 0.22);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.2s ease;
  box-sizing: border-box;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(20, 83, 45, 0.32);
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, #c9961a, #d9aa38);
  color: #fff !important;
  border: none;
  box-shadow: 0 10px 24px rgba(201, 150, 26, 0.24);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-gold:hover {
  transform: translateY(-2px);
}

/* 顶栏与主内容区同宽 */
nav#navbar .nav-inner {
  max-width: var(--layout-max);
  padding-left: var(--layout-pad-x);
  padding-right: var(--layout-pad-x);
}

@media (min-width: 1440px) {
  nav#navbar .nav-inner {
    max-width: var(--layout-max-wide);
  }
}

@media (max-width: 768px) {
  nav#navbar .nav-inner {
    padding-left: var(--layout-pad-x-mobile);
    padding-right: var(--layout-pad-x-mobile);
  }
}