/* ============================================================
   新闻详情页 — 大厂风格 (与新闻列表/关于我们统一设计语言)
   深蓝渐变Hero + 阅读区 + 上下篇导航
   前缀: nd- | 部署: /skin/css/news-detail.css
   ============================================================ */

/* ===== Variables ===== */
:root {
  --nd-primary: #0f6ab4;
  --nd-primary-dark: #0a4d80;
  --nd-accent: #00c6ff;
  --nd-text: #1a1a2e;
  --nd-text-secondary: #555;
  --nd-text-light: #888;
  --nd-bg: #f7f9fc;
  --nd-white: #fff;
  --nd-border: #eef0f4;
  --nd-shadow: 0 4px 24px rgba(15, 106, 180, 0.08);
  --nd-radius: 16px;
  --nd-transition: all .4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset (scoped) ===== */
.nd-page * { margin: 0; padding: 0; box-sizing: border-box; }
.nd-page ul, .nd-page ol { list-style: none; }
.nd-page a { color: inherit; text-decoration: none; }
html { scroll-behavior: smooth; }

/* 隐藏原站二级导航条 */
.nav_pc, .nav_phone { display: none !important; }

/* ===== Hero / Banner ===== */
#bann.nd-bann {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0a1628 0%, #0f6ab4 50%, #0a4d80 100%) !important;
  color: #fff;
  padding: 120px 0 60px;
}
#bann.nd-bann::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
#bann.nd-bann::after {
  content: ''; position: absolute; bottom: -100px; right: -100px;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,198,255,.15) 0%, transparent 70%);
}
#bann.nd-bann .container {
  position: relative; z-index: 2;
  max-width: 900px; width: 75%; margin: 0 auto;
  height: auto; display: block; transform: none;
  flex-direction: initial; justify-content: initial; align-items: initial;
}
@media screen and (max-width: 1024px) {
  #bann.nd-bann .container { width: 92%; }
}

/* Breadcrumb */
.nd-breadcrumb.nd-breadcrumb {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: rgba(255,255,255,.55);
  margin-bottom: 24px; list-style: none; padding: 0; flex-wrap: wrap;
}
.nd-breadcrumb li { list-style: none; padding: 0; margin: 0; display: flex; align-items: center; gap: 10px; }
.nd-breadcrumb li a { color: rgba(255,255,255,.7); transition: color .3s; }
.nd-breadcrumb li a:hover { color: #fff; }
.nd-breadcrumb li:not(:last-child)::after { content: '/'; color: rgba(255,255,255,.3); }
.nd-breadcrumb li:last-child { color: rgba(255,255,255,.9); max-width: 400px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nd-breadcrumb ol { display: flex; align-items: center; gap: 10px; list-style: none; padding: 0; margin: 0; flex-wrap: wrap; }

/* Hero tag */
.nd-hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border: 1px solid rgba(255,255,255,.25);
  border-radius: 30px; font-size: 13px; color: rgba(255,255,255,.8);
  margin-bottom: 20px; backdrop-filter: blur(8px);
}
.nd-hero-tag::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--nd-accent); box-shadow: 0 0 8px var(--nd-accent);
}

/* Article title in hero */
#bann.nd-bann h1.nd-article-title {
  font-size: 32px; font-weight: 700; line-height: 1.4;
  margin-bottom: 20px; color: #fff; letter-spacing: 0.5px;
  text-wrap: balance;
}

/* Article meta */
.nd-article-meta {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  font-size: 14px; color: rgba(255,255,255,.6);
}
.nd-article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.nd-article-meta .nd-meta-dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,.3); }

/* ===== Page wrapper ===== */
.nd-page {
  font-family: "Microsoft YaHei", "微软雅黑", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px; color: var(--nd-text); line-height: 1.8;
  background: var(--nd-white); -webkit-font-smoothing: antialiased;
}

/* ===== Article layout (two-column: sidebar + content) ===== */
.nd-article-section { padding: 60px 0; background: var(--nd-white); }
.nd-article-section .container.nd-layout-grid {
  max-width: 1160px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}
.nd-main { min-width: 0; }
.nd-article-body {
  font-size: 16px; line-height: 1.9; color: var(--nd-text);
  max-width: 800px;
}
.nd-article-body p { margin-bottom: 1.5em; }

/* Remove leading blank paragraphs and top margin of first element */
.nd-article-body > p:first-child:empty,
.nd-article-body > p:first-child:has(br:only-child) { display: none; }
.nd-article-body > *:first-child,
.nd-article-body > *:first-child img:first-child { margin-top: 0 !important; }
.nd-article-body h2, .nd-article-body h3, .nd-article-body h4 {
  font-weight: 700; color: var(--nd-text); margin-top: 1.8em; margin-bottom: 0.8em;
}
.nd-article-body h2 { font-size: 24px; }
.nd-article-body h3 { font-size: 20px; }
.nd-article-body h4 { font-size: 17px; }
.nd-article-body img { max-width: 100%; height: auto; border-radius: var(--nd-radius); margin: 1.5em 0; }
.nd-article-body a { color: var(--nd-primary); text-decoration: underline; }
.nd-article-body a:hover { color: var(--nd-accent); }
.nd-article-body ul, .nd-article-body ol { margin-bottom: 1.5em; padding-left: 1.5em; }
.nd-article-body ul li { list-style: disc; margin-bottom: 0.5em; }
.nd-article-body ol li { list-style: decimal; margin-bottom: 0.5em; }
.nd-article-body blockquote {
  border-left: 4px solid var(--nd-primary);
  padding: 16px 24px; margin: 1.5em 0;
  background: var(--nd-bg); border-radius: 0 var(--nd-radius) var(--nd-radius) 0;
  color: var(--nd-text-secondary);
}
.nd-article-body pre {
  background: #1a1a2e; color: #e0e0e0;
  padding: 20px; border-radius: var(--nd-radius);
  overflow-x: auto; margin: 1.5em 0; font-size: 14px; line-height: 1.6;
}
.nd-article-body table {
  width: 100%; border-collapse: collapse; margin: 1.5em 0;
}
.nd-article-body table th, .nd-article-body table td {
  border: 1px solid var(--nd-border); padding: 12px; text-align: left;
}
.nd-article-body table th { background: var(--nd-bg); font-weight: 600; }

/* ===== Article nav (prev/next) ===== */
.nd-article-nav {
  display: flex; justify-content: space-between; align-items: stretch;
  gap: 20px; margin-top: 48px; padding-top: 40px;
  border-top: 1px solid var(--nd-border); flex-wrap: wrap;
}
.nd-nav-item {
  flex: 1; min-width: 200px;
  padding: 20px 24px; border-radius: var(--nd-radius);
  background: var(--nd-bg); border: 1px solid transparent;
  transition: var(--nd-transition);
}
.nd-nav-item:hover {
  border-color: var(--nd-primary); box-shadow: var(--nd-shadow);
  transform: translateY(-2px);
}
.nd-nav-item.nd-nav-next { text-align: right; }
.nd-nav-label { font-size: 13px; color: var(--nd-text-light); margin-bottom: 6px; }
.nd-nav-item a { font-size: 15px; font-weight: 600; color: var(--nd-text); transition: color .3s; }
.nd-nav-item:hover a { color: var(--nd-primary); }
.nd-nav-item a { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
a.nd-back-list {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 36px; border-radius: 30px;
  font-size: 15px; font-weight: 600;
  background: var(--nd-accent); color: #fff;
  transition: var(--nd-transition); margin-top: 32px;
}
a.nd-back-list:hover { background: #fff; color: var(--nd-primary); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(15,106,180,.2); }

/* ===== Left Sidebar ===== */
.nd-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.nd-side-card {
  background: var(--nd-white);
  border: 1px solid var(--nd-border);
  border-radius: var(--nd-radius);
  padding: 22px 20px;
  box-shadow: var(--nd-shadow);
}
.nd-side-card__head {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 16px; padding-bottom: 14px;
  border-bottom: 1px solid var(--nd-border);
  color: var(--nd-primary);
}
.nd-side-card__head h4 {
  font-size: 16px; font-weight: 700; color: var(--nd-text);
}

/* Contact card (deep blue gradient) */
.nd-side-card--contact {
  padding: 0; overflow: hidden; border: none;
  background: linear-gradient(160deg, #0a1628 0%, var(--nd-primary) 100%);
}
.nd-contact-box {
  padding: 26px 22px; text-align: center; color: #fff;
  position: relative;
}
.nd-contact-box::before {
  content: ''; position: absolute; top: -40px; right: -40px;
  width: 120px; height: 120px; border-radius: 50%;
  background: rgba(255,255,255,.08); pointer-events: none;
}
.nd-contact-box__tag {
  display: inline-block; padding: 4px 14px;
  background: rgba(255,255,255,.15); border-radius: 20px;
  font-size: 12px; color: rgba(255,255,255,.9); margin-bottom: 14px;
  position: relative;
}
.nd-contact-box h4 {
  font-size: 17px; font-weight: 700; color: #fff;
  line-height: 1.5; margin-bottom: 18px; position: relative;
}
.nd-contact-phone {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-bottom: 4px; position: relative;
}
.nd-contact-phone a {
  font-size: 18px; font-weight: 700; color: var(--nd-accent);
}
.nd-contact-phone a:hover { color: #fff; }
.nd-contact-time {
  font-size: 12px; color: rgba(255,255,255,.6); margin-bottom: 20px;
  position: relative;
}
.nd-contact-btn {
  display: inline-block; padding: 11px 28px;
  background: var(--nd-accent); color: #0a1628;
  border-radius: 8px; font-size: 14px; font-weight: 600;
  transition: var(--nd-transition); position: relative;
}
.nd-contact-btn:hover {
  background: #fff; transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
}

/* Latest news list */
.nd-side-list { list-style: none; padding: 0; margin: 0; }
.nd-side-list li { border-bottom: 1px dashed var(--nd-border); }
.nd-side-list li:last-child { border-bottom: none; }
.nd-side-list li a {
  display: flex; flex-direction: column; gap: 4px;
  padding: 12px 0; transition: var(--nd-transition);
}
.nd-side-list__title {
  font-size: 14px; font-weight: 500; color: var(--nd-text);
  line-height: 1.5; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; transition: var(--nd-transition);
}
.nd-side-list__date {
  font-size: 12px; color: var(--nd-text-light);
}
.nd-side-list li a:hover .nd-side-list__title { color: var(--nd-primary); }

/* About card */
.nd-side-card--about {
  background: linear-gradient(135deg, var(--nd-bg) 0%, #eef4fa 100%);
  border-color: #d8e6f3;
}
.nd-about-text {
  font-size: 13px; color: var(--nd-text-secondary); line-height: 1.8;
  margin-bottom: 14px;
}
.nd-about-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 13px; font-weight: 600; color: var(--nd-primary);
  transition: var(--nd-transition);
}
.nd-about-link:hover { color: var(--nd-accent); gap: 8px; }

/* ===== Responsive ===== */
@media screen and (max-width: 920px) {
  .nd-article-section .container.nd-layout-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .nd-sidebar { position: static; }
}
@media screen and (max-width: 920px) {
  /* 覆盖 media.css 的 container overflow-x:auto 和窄 padding */
  .nd-page .container,
  .nd-article-section .container.nd-layout-grid {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 16px !important;
    padding-right: 16px !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }
  #bann.nd-bann .container {
    width: 100% !important;
    padding-left: 16px !important;
    padding-right: 16px !important;
    overflow-x: hidden !important;
  }
  #bann.nd-bann { padding: 120px 0 50px !important; }
  #bann.nd-bann h1.nd-article-title {
    font-size: 22px !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    white-space: normal !important;
    max-width: 100% !important;
  }
  .nd-article-section { padding: 40px 0 !important; }
  .nd-article-section .container.nd-layout-grid { grid-template-columns: 1fr !important; gap: 28px !important; }
  .nd-sidebar { position: static !important; }
  .nd-main { min-width: 0 !important; width: 100% !important; max-width: 100% !important; }
  .nd-article-body {
    width: 100% !important;
    max-width: 100% !important;
    padding: 16px !important;
    font-size: 15px !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }
  .nd-article-body * { max-width: 100% !important; box-sizing: border-box !important; }
  .nd-article-body h2,
  .nd-article-body h3,
  .nd-article-body h4,
  .nd-article-body h5,
  .nd-article-body h6,
  .nd-article-body p,
  .nd-article-body li,
  .nd-article-body span,
  .nd-article-body strong,
  .nd-article-body em,
  .nd-article-body a,
  .nd-article-body div,
  .nd-article-body section {
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    white-space: normal !important;
  }
  .nd-article-body pre,
  .nd-article-body code {
    white-space: pre-wrap !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    max-width: 100% !important;
  }
  .nd-article-body img,
  .nd-article-body table,
  .nd-article-body iframe,
  .nd-article-body video {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .nd-article-body table {
    display: block !important;
    overflow-x: auto !important;
    white-space: nowrap !important;
    border: 0 !important;
  }
  .nd-side-card--contact { display: none !important; }
  .nd-side-card { min-width: 0 !important; width: 100% !important; box-sizing: border-box !important; }
}

@media screen and (max-width: 768px) {
  #bann.nd-bann { height: auto !important; min-height: auto; padding: 130px 0 48px !important; }
  #bann.nd-bann .container { height: auto; padding-left: 16px !important; padding-right: 16px !important; }
  #bann.nd-bann h1.nd-article-title {
    font-size: 22px !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    white-space: normal !important;
  }
  .nd-breadcrumb li:last-child { max-width: 100%; white-space: normal; overflow: visible; text-overflow: clip; }
  .nd-article-meta { gap: 12px; font-size: 13px; }
  .nd-article-section { padding: 40px 0 !important; }
  .nd-article-section .container.nd-layout-grid { padding-left: 16px !important; padding-right: 16px !important; }
  .nd-article-body { font-size: 15px !important; padding: 16px !important; }
  .nd-article-body h2 { font-size: 20px; }
  .nd-article-body h3 { font-size: 18px; }

  /* 上一篇 / 下一篇 手机端适配 */
  .nd-article-nav {
    flex-direction: column;
    gap: 14px;
    margin-top: 36px;
    padding-top: 32px;
  }
  .nd-nav-item {
    min-width: 0;
    width: 100%;
    padding: 16px 18px;
  }
  .nd-nav-item.nd-nav-next { text-align: left; }
  .nd-nav-label {
    font-size: 12px;
    margin-bottom: 8px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--nd-text-light);
  }
  .nd-nav-label::before {
    content: '';
    display: inline-block;
    width: 7px;
    height: 7px;
    border: solid var(--nd-text-light);
    border-width: 0 0 1.5px 1.5px;
  }
  .nd-nav-prev .nd-nav-label::before { transform: rotate(45deg); }
  .nd-nav-next .nd-nav-label::before { transform: rotate(-135deg); }
  .nd-nav-item a {
    font-size: 14px;
    line-height: 1.6;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .nd-back-list { margin-top: 24px; }
}

@media screen and (max-width: 480px) {
  #bann.nd-bann { padding: 110px 0 40px !important; }
  #bann.nd-bann h1.nd-article-title { font-size: 18px !important; }
  .nd-breadcrumb { font-size: 12px !important; }
  .nd-article-section { padding: 32px 0 !important; }
  .nd-article-section .container.nd-layout-grid,
  .nd-page .container,
  #bann.nd-bann .container { padding-left: 12px !important; padding-right: 12px !important; }
  .nd-article-body { padding: 14px !important; font-size: 14px !important; }
  .nd-article-body h2 { font-size: 18px; }
  .nd-article-body h3 { font-size: 16px; }
  .nd-article-nav { margin-top: 28px; padding-top: 24px; }
  .nd-nav-item { padding: 14px 16px; }
  .nd-back-list { padding: 12px 28px; font-size: 14px; }
}