/*
Theme Name: 开来 · 二十一团
Theme URI: https://www.21tuan.cn
Author: 21tuan.cn
Description: 新疆生产建设兵团第二师二十一团（开来镇）地方门户网站主题。首页依次展示：介绍21团、21团新闻、21团历史、21团图片、21团视频；栏目包含关于21团、21团中学、社会新闻等，全部内容均可在后台编辑。设计风格：大气简洁、浅色清新、线条边框，兵团绿与兵团红点缀。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GPLv2 or later
Text Domain: kailai
Tags: custom-menu, custom-logo, featured-images, translation-ready
*/

/* ========== 基础变量 ========== */
:root {
  --kl-green: #2f5233;        /* 兵团绿（主色） */
  --kl-green-deep: #24402a;   /* 深绿（页眉页脚） */
  --kl-green-light: #eef3ec;  /* 浅绿底 */
  --kl-red: #a63b2a;          /* 兵团红（点缀） */
  --kl-red-light: #f7ece9;
  --kl-ink: #26251f;          /* 标题墨色 */
  --kl-text: #4c4a41;         /* 正文 */
  --kl-mute: #8b887c;         /* 次要文字 */
  --kl-line: #e4e1d6;         /* 线条 */
  --kl-bg: #f8f7f3;           /* 页面底色 */
  --kl-paper: #ffffff;        /* 卡片纸色 */
  --kl-serif: "Noto Serif SC", "Source Han Serif SC", "STZhongsong", "STSong", "SimSun", serif;
  --kl-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--kl-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--kl-text);
  background: var(--kl-bg);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--kl-green); text-decoration: none; }
a:hover { color: var(--kl-red); }
p { margin: 0 0 1em; }

.kl-container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* ========== 顶部标语条 ========== */
.kl-topbar {
  background: var(--kl-green-deep);
  color: #cfd8cc;
  font-size: 13px;
  letter-spacing: 2px;
}
.kl-topbar .kl-container {
  display: flex; justify-content: space-between; align-items: center;
  min-height: 34px;
}
.kl-topbar .kl-spirit { font-family: var(--kl-serif); }
.kl-topbar .kl-toplink { color: #cfd8cc; }
.kl-topbar .kl-toplink:hover { color: #fff; }

/* ========== 页头 ========== */
.kl-header { background: var(--kl-paper); border-bottom: 1px solid var(--kl-line); position: sticky; top: 0; z-index: 90; }
.kl-header .kl-container { display: flex; align-items: center; justify-content: space-between; min-height: 72px; }
.kl-brand { display: flex; align-items: center; gap: 14px; }
.kl-brand .custom-logo { max-height: 56px; width: auto; }
.kl-brand-text { display: flex; flex-direction: column; }
.kl-brand-name {
  font-family: var(--kl-serif);
  font-size: 26px; font-weight: 700; color: var(--kl-green-deep);
  letter-spacing: 3px; line-height: 1.3;
}
.kl-brand-sub { font-size: 12px; color: var(--kl-mute); letter-spacing: 3px; }
.kl-nav { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.kl-nav a {
  display: block; padding: 10px 14px;
  font-size: 15px; color: var(--kl-ink);
  border-bottom: 2px solid transparent;
}
.kl-nav a:hover, .kl-nav .current-menu-item > a, .kl-nav .current_page_item > a {
  color: var(--kl-green);
  border-bottom-color: var(--kl-red);
}
.kl-nav-toggle { display: none; background: none; border: 1px solid var(--kl-line); border-radius: 4px; padding: 6px 10px; font-size: 18px; cursor: pointer; color: var(--kl-green-deep); }

/* ========== 首页横幅 ========== */
.kl-hero { position: relative; min-height: 420px; display: flex; align-items: center; overflow: hidden; background: var(--kl-green-deep); }
.kl-hero-bg { position: absolute; inset: 0; }
.kl-hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.kl-hero-inner { position: relative; z-index: 2; color: #fff; padding: 90px 0 110px; }
.kl-hero-kicker { font-size: 14px; letter-spacing: 6px; color: #dfe8da; margin-bottom: 14px; }
.kl-hero-title {
  font-family: var(--kl-serif);
  font-size: 44px; font-weight: 700; letter-spacing: 4px; line-height: 1.35;
  margin: 0 0 16px; text-shadow: 0 2px 12px rgba(0,0,0,.45);
}
.kl-hero-sub { font-size: 17px; color: #e8ede5; letter-spacing: 2px; }
.kl-hero-line { width: 72px; height: 3px; background: var(--kl-red); margin-top: 22px; }
.kl-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(36,64,42,.25) 0%, rgba(36,64,42,.65) 100%);
}

/* 兵团精神横带 */
.kl-spirit-band {
  background: var(--kl-paper);
  border-bottom: 1px solid var(--kl-line);
}
.kl-spirit-band .kl-container {
  display: flex; align-items: center; justify-content: center; gap: 34px;
  min-height: 64px; flex-wrap: wrap;
}
.kl-spirit-item {
  font-family: var(--kl-serif);
  font-size: 19px; font-weight: 700; letter-spacing: 5px; color: var(--kl-green);
  padding: 4px 18px; border-right: 1px solid var(--kl-line);
}
.kl-spirit-item:last-child { border-right: none; }
.kl-spirit-item em { font-style: normal; color: var(--kl-red); }

/* ========== 首页版块 ========== */
.kl-section { padding: 64px 0; }
.kl-section.alt { background: var(--kl-paper); border-top: 1px solid var(--kl-line); border-bottom: 1px solid var(--kl-line); }
.kl-section-head { text-align: center; margin-bottom: 42px; }
.kl-section-no {
  display: inline-block; font-family: var(--kl-serif);
  color: var(--kl-red); font-size: 14px; letter-spacing: 4px; margin-bottom: 6px;
}
.kl-section-title {
  font-family: var(--kl-serif);
  font-size: 30px; font-weight: 700; color: var(--kl-ink);
  letter-spacing: 4px; margin: 0; display: flex; align-items: center; justify-content: center; gap: 22px;
}
.kl-section-title::before, .kl-section-title::after {
  content: ""; width: 56px; height: 1px; background: var(--kl-line); display: inline-block;
}
.kl-section-desc { color: var(--kl-mute); font-size: 14px; margin-top: 10px; letter-spacing: 1px; }

/* —— 版块一：介绍21团 —— */
.kl-intro-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: start; }
.kl-intro-text { font-size: 16.5px; text-align: justify; }
.kl-intro-text p:first-of-type::first-letter { font-family: var(--kl-serif); font-size: 2em; color: var(--kl-green); }
.kl-intro-side { border: 1px solid var(--kl-line); background: var(--kl-green-light); padding: 26px 24px; border-radius: 6px; }
.kl-intro-side h3 {
  margin: 0 0 14px; font-family: var(--kl-serif); font-size: 18px; color: var(--kl-green-deep); letter-spacing: 2px;
  padding-bottom: 10px; border-bottom: 1px solid var(--kl-line);
}
.kl-fact { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px dashed var(--kl-line); font-size: 14.5px; }
.kl-fact:last-child { border-bottom: none; }
.kl-fact b { color: var(--kl-ink); font-weight: 600; }
.kl-fact span { color: var(--kl-mute); }

/* —— 版块二：新闻列表 —— */
.kl-news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; }
.kl-news-item {
  display: flex; align-items: baseline; gap: 16px;
  padding: 15px 4px; border-bottom: 1px solid var(--kl-line);
}
.kl-news-date {
  flex: none; font-family: var(--kl-serif); color: var(--kl-mute); font-size: 14px;
  min-width: 88px; letter-spacing: 1px;
}
.kl-news-item h3 { margin: 0; font-size: 16.5px; font-weight: 500; flex: 1; }
.kl-news-item h3 a { color: var(--kl-ink); }
.kl-news-item h3 a:hover { color: var(--kl-red); }
.kl-more { text-align: center; margin-top: 34px; }
.kl-btn {
  display: inline-block; padding: 10px 34px;
  border: 1px solid var(--kl-green); color: var(--kl-green);
  letter-spacing: 3px; font-size: 14.5px; border-radius: 3px;
  transition: all .2s ease; background: transparent; cursor: pointer;
}
.kl-btn:hover { background: var(--kl-green); color: #fff; }
.kl-btn.red { border-color: var(--kl-red); color: var(--kl-red); }
.kl-btn.red:hover { background: var(--kl-red); color: #fff; }

/* —— 版块三：历史 —— */
.kl-history-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 44px; align-items: center; }
.kl-history-photo { border: 1px solid var(--kl-line); padding: 10px; background: var(--kl-paper); border-radius: 4px; }
.kl-history-photo img { border-radius: 2px; width: 100%; }
.kl-history-photo figcaption { text-align: center; color: var(--kl-mute); font-size: 13px; padding-top: 8px; }
.kl-timeline { position: relative; padding-left: 26px; }
.kl-timeline::before { content: ""; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 1px; background: var(--kl-line); }
.kl-timeline li { list-style: none; position: relative; padding: 0 0 18px 12px; }
.kl-timeline li::before {
  content: ""; position: absolute; left: -25px; top: 9px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--kl-paper); border: 2px solid var(--kl-red);
}
.kl-timeline b { font-family: var(--kl-serif); color: var(--kl-green-deep); margin-right: 8px; }

/* —— 版块四：图片 —— */
.kl-photo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.kl-photo-card {
  background: var(--kl-paper); border: 1px solid var(--kl-line); border-radius: 5px;
  overflow: hidden; transition: box-shadow .25s ease, transform .25s ease; cursor: zoom-in;
}
.kl-photo-card:hover { box-shadow: 0 10px 26px rgba(38,37,31,.12); transform: translateY(-3px); }
.kl-photo-card .kl-ph-wrap { aspect-ratio: 4 / 3; overflow: hidden; background: var(--kl-green-light); }
.kl-photo-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.kl-photo-card:hover img { transform: scale(1.05); }
.kl-photo-card figcaption {
  padding: 10px 12px; font-size: 13.5px; color: var(--kl-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  border-top: 1px solid var(--kl-line);
}

/* —— 版块五：视频 —— */
.kl-video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.kl-video-card {
  background: var(--kl-paper); border: 1px solid var(--kl-line); border-radius: 5px; overflow: hidden;
  cursor: pointer; transition: box-shadow .25s ease;
}
.kl-video-card:hover { box-shadow: 0 10px 26px rgba(38,37,31,.12); }
.kl-video-thumb { position: relative; aspect-ratio: 16 / 9; background: #1d2a1e; overflow: hidden; }
.kl-video-thumb img { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.kl-video-thumb .kl-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 62px; height: 62px; border-radius: 50%;
  background: rgba(166,59,42,.92); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; border: 2px solid rgba(255,255,255,.7);
  transition: transform .2s ease;
}
.kl-video-card:hover .kl-play { transform: translate(-50%, -50%) scale(1.08); }
.kl-video-meta { padding: 14px 16px; }
.kl-video-meta h3 { margin: 0 0 4px; font-size: 16px; color: var(--kl-ink); font-weight: 600; }
.kl-video-meta p { margin: 0; font-size: 13.5px; color: var(--kl-mute); }
.kl-video-empty {
  grid-column: 1 / -1; border: 1px dashed var(--kl-line); border-radius: 5px;
  padding: 44px 20px; text-align: center; color: var(--kl-mute);
}

/* ========== 页面横带 ========== */
.kl-page-band {
  background: var(--kl-green-deep);
  color: #fff; padding: 52px 0 46px;
  position: relative; overflow: hidden;
}
.kl-page-band::after {
  content: ""; position: absolute; right: -40px; bottom: -70px;
  width: 260px; height: 260px; border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
}
.kl-page-band h1 {
  font-family: var(--kl-serif); font-size: 34px; letter-spacing: 5px; margin: 0 0 8px;
}
.kl-page-band .kl-crumb { font-size: 13px; color: #c9d3c6; letter-spacing: 1px; }
.kl-page-band .kl-crumb a { color: #c9d3c6; }

/* ========== 正文区 ========== */
.kl-content-wrap { padding: 54px 0 70px; }
.kl-entry {
  max-width: 860px; margin: 0 auto;
  background: var(--kl-paper); border: 1px solid var(--kl-line); border-radius: 6px;
  padding: 44px 52px; font-size: 16.5px;
}
.kl-entry h2, .kl-entry h3 { font-family: var(--kl-serif); color: var(--kl-green-deep); letter-spacing: 2px; }
.kl-entry h2 { border-left: 4px solid var(--kl-red); padding-left: 14px; }
.kl-entry ul, .kl-entry ol { padding-left: 1.4em; }
.kl-entry img { border-radius: 4px; }
.kl-entry .kl-news-img { margin: 22px 0; text-align: center; }
.kl-entry .kl-news-img img { max-width: 100%; height: auto; border: 1px solid var(--kl-line); }
.kl-entry .kl-news-source {
  margin-top: 30px; padding: 12px 16px;
  border-top: 1px dashed var(--kl-line);
  font-size: 13px; color: #7a8478; line-height: 1.9; word-break: break-all;
}
.kl-entry .kl-news-source a { color: var(--kl-green); text-decoration: none; border-bottom: 1px dotted var(--kl-green); }
.kl-entry .kl-history-intro { font-size: 15px; color: #6b7468; border-left: 3px solid var(--kl-red); padding-left: 14px; }
.kl-entry blockquote {
  margin: 1.2em 0; padding: 12px 18px;
  border-left: 3px solid var(--kl-green); background: var(--kl-green-light);
  color: var(--kl-green-deep);
}

/* 历史页时间线（后台编辑 ul.kl-history-list 时生效） */
.kl-entry ul.kl-history-list { list-style: none; padding: 0; margin: 0 0 0 6px; }
.kl-entry ul.kl-history-list li {
  position: relative; padding: 0 0 22px 30px;
  border-left: 1px solid var(--kl-line); margin-left: 8px;
}
.kl-entry ul.kl-history-list li::before {
  content: ""; position: absolute; left: -5px; top: 9px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--kl-paper); border: 2px solid var(--kl-red);
}
.kl-entry ul.kl-history-list li:last-child { border-left-color: transparent; }
.kl-entry ul.kl-history-list li b {
  font-family: var(--kl-serif); color: var(--kl-green-deep); font-size: 17px; margin-right: 10px;
}

/* ========== 列表页 / 归档 ========== */
.kl-archive-list { max-width: 860px; margin: 0 auto; }
.kl-archive-item {
  display: flex; gap: 20px; padding: 22px 4px;
  border-bottom: 1px solid var(--kl-line); align-items: center;
}
.kl-archive-item .kl-at { flex: none; width: 150px; height: 100px; border-radius: 4px; overflow: hidden; border: 1px solid var(--kl-line); background: var(--kl-green-light); }
.kl-archive-item .kl-at img { width: 100%; height: 100%; object-fit: cover; }
.kl-archive-item h2 { margin: 0 0 6px; font-size: 18px; font-family: var(--kl-serif); letter-spacing: 1px; }
.kl-archive-item h2 a { color: var(--kl-ink); }
.kl-archive-item h2 a:hover { color: var(--kl-red); }
.kl-archive-item .kl-ex { margin: 0; color: var(--kl-mute); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kl-archive-item .kl-meta { font-size: 12.5px; color: var(--kl-mute); margin-top: 8px; }

.kl-photo-archive { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.kl-pagination { text-align: center; margin-top: 44px; }
.kl-pagination .page-numbers {
  display: inline-block; min-width: 38px; padding: 7px 12px; margin: 0 3px;
  border: 1px solid var(--kl-line); color: var(--kl-text); border-radius: 3px; background: var(--kl-paper);
}
.kl-pagination .current, .kl-pagination .page-numbers:hover { background: var(--kl-green); border-color: var(--kl-green); color: #fff; }

/* ========== 文章详情 ========== */
.kl-single-head { max-width: 860px; margin: 0 auto 30px; text-align: center; }
.kl-single-head h1 { font-family: var(--kl-serif); font-size: 30px; color: var(--kl-ink); letter-spacing: 2px; margin: 0 0 12px; }
.kl-single-head .kl-meta { color: var(--kl-mute); font-size: 13.5px; }
.kl-single-photo img { border: 1px solid var(--kl-line); padding: 10px; background: #fff; border-radius: 6px; }
.kl-video-frame { position: relative; aspect-ratio: 16/9; background: #000; border-radius: 6px; overflow: hidden; }
.kl-video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ========== 页脚 ========== */
.kl-footer { background: var(--kl-green-deep); color: #b9c4b6; margin-top: 70px; }
.kl-footer a { color: #d5ddd2; }
.kl-footer a:hover { color: #fff; }
.kl-footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px;
  padding: 52px 0 40px;
}
.kl-footer h4 {
  font-family: var(--kl-serif); color: #fff; font-size: 17px; letter-spacing: 3px;
  margin: 0 0 16px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.14);
}
.kl-footer p, .kl-footer li { font-size: 14px; line-height: 1.9; }
.kl-footer ul { list-style: none; margin: 0; padding: 0; }
.kl-footer .kl-foot-spirit { font-family: var(--kl-serif); letter-spacing: 4px; color: #e4ebe1; margin-top: 10px; }
.kl-footer-bar {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 16px 0; text-align: center; font-size: 13px; color: #93a08f;
}

/* ========== 灯箱 ========== */
.kl-lightbox {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(20, 24, 20, .88);
  align-items: center; justify-content: center; padding: 30px;
}
.kl-lightbox.open { display: flex; }
.kl-lightbox-inner { position: relative; max-width: 960px; width: 100%; }
.kl-lightbox img { max-height: 82vh; width: auto; margin: 0 auto; border-radius: 4px; }
.kl-lightbox .kl-lb-cap { color: #cfd6cb; text-align: center; padding-top: 12px; font-size: 14px; }
.kl-lightbox .kl-lb-frame { position: relative; aspect-ratio: 16/9; background: #000; }
.kl-lightbox .kl-lb-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.kl-lb-close {
  position: absolute; top: -44px; right: 0;
  background: none; border: none; color: #fff; font-size: 30px; cursor: pointer; line-height: 1;
}

/* ========== 响应式 ========== */
@media (max-width: 900px) {
  .kl-intro-grid, .kl-history-grid { grid-template-columns: 1fr; gap: 28px; }
  .kl-photo-grid { grid-template-columns: repeat(2, 1fr); }
  .kl-photo-archive { grid-template-columns: repeat(2, 1fr); }
  .kl-footer-grid { grid-template-columns: 1fr 1fr; }
  .kl-hero-title { font-size: 32px; }
  .kl-hero { min-height: 330px; }
}
@media (max-width: 680px) {
  .kl-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--kl-paper); border-bottom: 1px solid var(--kl-line);
    flex-direction: column; align-items: stretch; padding: 8px 20px 14px; gap: 0;
    box-shadow: 0 12px 24px rgba(0,0,0,.08);
  }
  .kl-nav.open { display: flex; }
  .kl-nav a { border-bottom: 1px solid var(--kl-line); padding: 12px 4px; }
  .kl-nav a:hover, .kl-nav .current-menu-item > a { border-bottom-color: var(--kl-red); }
  .kl-nav-toggle { display: block; }
  .kl-news-list { grid-template-columns: 1fr; }
  .kl-video-grid { grid-template-columns: 1fr; }
  .kl-photo-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .kl-photo-archive { grid-template-columns: 1fr; }
  .kl-section { padding: 44px 0; }
  .kl-section-title { font-size: 24px; gap: 12px; }
  .kl-section-title::before, .kl-section-title::after { width: 32px; }
  .kl-entry { padding: 26px 20px; }
  .kl-hero-inner { padding: 60px 0 70px; }
  .kl-brand-name { font-size: 20px; letter-spacing: 2px; }
  .kl-footer-grid { grid-template-columns: 1fr; gap: 26px; padding: 40px 0 30px; }
  .kl-spirit-band .kl-container { gap: 10px; }
  .kl-spirit-item { font-size: 15px; letter-spacing: 3px; padding: 4px 10px; border-right: none; }
}