/* ============================================================
   五大栏目专属主题 — civ-themes.css
   通过 [data-civ] 选择器覆盖 accent / 背景 / 导航高亮等
   路径统一：所有栏目共用 /css/new/ /js/new/ /images/new/
   ============================================================ */

/* ===== 苏联史 — sudong ===== */
[data-civ="sudong"] {
  --accent:        #C1272D;
  --accent-dark:   #8E1B20;
  --accent-light:  #E0504F;
  --tag-bg:        #F4E2E0;
  --tag-text:      #C1272D;
  --gradient-from: #C1272D;
  --gradient-to:   #E0504F;
  --shadow-colored: 0 4px 16px rgba(193, 39, 45, 0.15);
  --nav-active-color: #C1272D;
  --logo-bg:        #C1272D;
  --card-accent-bar: #C1272D;
  --link-hover:     #E0504F;
  --page-bg-image:  url('/images/new/sudong.png');
}
[data-civ="sudong"] .site-header__nav a.active,
[data-civ="sudong"] .site-header__nav a[aria-current="page"] { color: #C1272D; border-bottom-color: #C1272D; }
[data-civ="sudong"] .site-header__logo-icon { background-color: #C1272D; }
[data-civ="sudong"] .btn--primary { --btn-bg: #C1272D; --btn-bg-hover: #8E1B20; }
[data-civ="sudong"] .sidebar-card__title::after { background-color: #C1272D; }
[data-civ="sudong"] .pagination__item.active,
[data-civ="sudong"] .pagination__item--active { background-color: #C1272D; border-color: #C1272D; }
[data-civ="sudong"] .breadcrumb__separator { color: #C1272D; }

/* ===== 漠北游牧史 — youmu ===== */
[data-civ="youmu"] {
  --accent:        #2E7D6B;
  --accent-dark:   #1B5C4C;
  --accent-light:  #4CA892;
  --tag-bg:        #E4F0EA;
  --tag-text:      #2E7D6B;
  --gradient-from: #2E7D6B;
  --gradient-to:   #4CA892;
  --shadow-colored: 0 4px 16px rgba(46, 125, 107, 0.15);
  --nav-active-color: #2E7D6B;
  --logo-bg:        #2E7D6B;
  --card-accent-bar: #2E7D6B;
  --link-hover:     #4CA892;
  --page-bg-image:  url('/images/new/youmu.png');
}
[data-civ="youmu"] .site-header__nav a.active,
[data-civ="youmu"] .site-header__nav a[aria-current="page"] { color: #2E7D6B; border-bottom-color: #2E7D6B; }
[data-civ="youmu"] .site-header__logo-icon { background-color: #2E7D6B; }
[data-civ="youmu"] .btn--primary { --btn-bg: #2E7D6B; --btn-bg-hover: #1B5C4C; }
[data-civ="youmu"] .sidebar-card__title::after { background-color: #2E7D6B; }
[data-civ="youmu"] .pagination__item.active,
[data-civ="youmu"] .pagination__item--active { background-color: #2E7D6B; border-color: #2E7D6B; }
[data-civ="youmu"] .breadcrumb__separator { color: #2E7D6B; }

/* ===== 西非史 — xifei ===== */
[data-civ="xifei"] {
  --accent:        #C8922E;
  --accent-dark:   #9A6E1E;
  --accent-light:  #E0B25A;
  --tag-bg:        #F5EAD8;
  --tag-text:      #C8922E;
  --gradient-from: #C8922E;
  --gradient-to:   #E0B25A;
  --shadow-colored: 0 4px 16px rgba(200, 146, 46, 0.15);
  --nav-active-color: #C8922E;
  --logo-bg:        #C8922E;
  --card-accent-bar: #C8922E;
  --link-hover:     #E0B25A;
  --page-bg-image:  url('/images/new/xifei.png');
}
[data-civ="xifei"] .site-header__nav a.active,
[data-civ="xifei"] .site-header__nav a[aria-current="page"] { color: #C8922E; border-bottom-color: #C8922E; }
[data-civ="xifei"] .site-header__logo-icon { background-color: #C8922E; }
[data-civ="xifei"] .btn--primary { --btn-bg: #C8922E; --btn-bg-hover: #9A6E1E; }
[data-civ="xifei"] .sidebar-card__title::after { background-color: #C8922E; }
[data-civ="xifei"] .pagination__item.active,
[data-civ="xifei"] .pagination__item--active { background-color: #C8922E; border-color: #C8922E; }
[data-civ="xifei"] .breadcrumb__separator { color: #C8922E; }

/* ===== 美国史 — usa ===== */
[data-civ="usa"] {
  --accent:        #2E5C9E;
  --accent-dark:   #1F3F70;
  --accent-light:  #4F80C0;
  --tag-bg:        #E6ECF4;
  --tag-text:      #2E5C9E;
  --gradient-from: #2E5C9E;
  --gradient-to:   #4F80C0;
  --shadow-colored: 0 4px 16px rgba(46, 92, 158, 0.15);
  --nav-active-color: #2E5C9E;
  --logo-bg:        #2E5C9E;
  --card-accent-bar: #2E5C9E;
  --link-hover:     #4F80C0;
  --page-bg-image:  url('/images/new/usa.png');
}
[data-civ="usa"] .site-header__nav a.active,
[data-civ="usa"] .site-header__nav a[aria-current="page"] { color: #2E5C9E; border-bottom-color: #2E5C9E; }
[data-civ="usa"] .site-header__logo-icon { background-color: #2E5C9E; }
[data-civ="usa"] .btn--primary { --btn-bg: #2E5C9E; --btn-bg-hover: #1F3F70; }
[data-civ="usa"] .sidebar-card__title::after { background-color: #2E5C9E; }
[data-civ="usa"] .pagination__item.active,
[data-civ="usa"] .pagination__item--active { background-color: #2E5C9E; border-color: #2E5C9E; }
[data-civ="usa"] .breadcrumb__separator { color: #2E5C9E; }

/* ===== 印第安历史 — yindian ===== */
[data-civ="yindian"] {
  --accent:        #9C5A2E;
  --accent-dark:   #6E3F1E;
  --accent-light:  #C07A45;
  --tag-bg:        #F1E7DC;
  --tag-text:      #9C5A2E;
  --gradient-from: #9C5A2E;
  --gradient-to:   #C07A45;
  --shadow-colored: 0 4px 16px rgba(156, 90, 46, 0.15);
  --nav-active-color: #9C5A2E;
  --logo-bg:        #9C5A2E;
  --card-accent-bar: #9C5A2E;
  --link-hover:     #C07A45;
  --page-bg-image:  url('/images/new/yindian.png');
}
[data-civ="yindian"] .site-header__nav a.active,
[data-civ="yindian"] .site-header__nav a[aria-current="page"] { color: #9C5A2E; border-bottom-color: #9C5A2E; }
[data-civ="yindian"] .site-header__logo-icon { background-color: #9C5A2E; }
[data-civ="yindian"] .btn--primary { --btn-bg: #9C5A2E; --btn-bg-hover: #6E3F1E; }
[data-civ="yindian"] .sidebar-card__title::after { background-color: #9C5A2E; }
[data-civ="yindian"] .pagination__item.active,
[data-civ="yindian"] .pagination__item--active { background-color: #9C5A2E; border-color: #9C5A2E; }
[data-civ="yindian"] .breadcrumb__separator { color: #9C5A2E; }