/*
 * inner-pages.css — 二级页面（文章 / 人物 / 新闻 / 概况）样式
 *
 * 仅新增，不修改 institute.css / nas_refresh_main.css。
 * 颜色全部复用 institute.css 的主题变量（--home-bg / --card-* / --gallery-*），
 * 保证 #theme-toggle 切换深浅的瞬时二级页面同步换肤。
 */

.inner-page #container {
  background: var(--home-bg);
  color: var(--card-text);
  transition: background-color .35s ease, color .35s ease;
}

.inner-page #main {
  min-height: 42vh;
}

.inner-page #main a {
  color: var(--card-button);
}

.inner-page #main a:hover {
  text-decoration: underline;
}

/* 当前页导航指示 */
#site-nav a[aria-current="page"] {
  box-shadow: inset 0 -3px 0 #e9c149;
}

/* ---- 页头区（索引页标题 + 说明） ---- */

.page-head {
  margin-bottom: 1.75rem;
  border-bottom: 2px solid #398000;
  padding-bottom: 1rem;
}

.page-head h1 {
  margin: .2rem 0 .6rem;
  color: var(--card-text);
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  line-height: 1.3;
}

.page-mission {
  margin: 0;
  color: var(--card-title);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.5;
}

.page-note {
  max-width: 62rem;
  margin: .5rem 0 0;
  color: var(--gallery-muted);
  font-size: .88rem;
  line-height: 1.7;
}

/* ---- 面包屑 ---- */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  color: var(--gallery-muted);
  font: .8rem/1.5 'Open Sans', sans-serif;
}

.breadcrumb li + li::before {
  content: "›";
  margin-right: .4rem;
  color: var(--gallery-muted);
}

.breadcrumb a {
  color: var(--card-button);
  text-decoration: none;
}

.breadcrumb [aria-current="page"] {
  color: var(--card-text);
}

/* ---- 文章页 ---- */

.article-root {
  min-height: 20rem;
}

.article-loading {
  color: var(--gallery-muted);
}

.article-full {
  max-width: 56rem;
  margin: 0 auto;
}

.article-full > h1 {
  margin: .35rem 0 .7rem;
  color: var(--card-text);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  line-height: 1.32;
}

.article-meta {
  margin: 0 0 .25rem;
  color: var(--gallery-muted);
  font: .8rem/1.5 'Open Sans', sans-serif;
}

.article-lead {
  margin: 1.2rem 0;
  border-left: 3px solid #398000;
  padding-left: 1rem;
  font-size: 1.06rem;
  line-height: 1.8;
}

.article-hero {
  margin: 1.5rem 0;
}

.article-hero button {
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 1px solid #657080;
  background: #07142d;
  cursor: zoom-in;
}

.article-hero img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 30rem;
  object-fit: contain;
  transition: transform .5s cubic-bezier(.2,.75,.25,1);
}

.article-hero button:hover img {
  transform: scale(1.02);
}

.article-hero figcaption {
  margin-top: .6rem;
  color: var(--gallery-muted);
  font: .78rem/1.55 'Open Sans', sans-serif;
}

.article-hero .credit {
  display: block;
  opacity: .82;
}

.article-section {
  margin: 1.75rem 0;
}

.article-section h2 {
  margin: 0 0 .7rem;
  border-bottom: 1px solid rgba(57, 128, 0, .4);
  padding-bottom: .4rem;
  color: var(--card-title);
  font-size: 1.22rem;
}

.article-section p {
  line-height: 1.85;
}

.article-related {
  margin-top: 2rem;
  border-top: 2px solid #398000;
  padding-top: 1rem;
}

.article-related h2 {
  margin: 0 0 .7rem;
  color: var(--card-title);
  font-size: 1.05rem;
}

.article-related ul {
  display: grid;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-related a {
  display: inline-block;
  padding: .45rem .7rem;
  border: 1px solid var(--card-button);
  border-radius: 2px;
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease;
}

.article-related a:hover {
  background: var(--card-button);
  color: var(--card-bg);
  text-decoration: none;
}

.article-links {
  margin-top: 1.5rem;
}

.back-to-list {
  margin-top: 2rem;
}

.back-to-list a {
  text-decoration: none;
}

/* 人物文章头部 */
.person-hero {
  display: grid;
  grid-template-columns: 13rem minmax(0, 1fr);
  gap: 1.75rem;
  align-items: start;
  margin: 1.25rem 0 1.75rem;
}

.person-hero .person-photo-frame {
  margin: 0;
  border: 1px solid #657080;
  background: #07103b;
}

.person-hero img {
  display: block;
  width: 100%;
  height: auto;
}

.person-role {
  margin: .3rem 0 .9rem;
  color: var(--card-title);
  font-weight: 600;
  line-height: 1.5;
}

.person-hero .person-links {
  margin-top: 1rem;
}

/* ---- 人物索引页 ---- */

.people-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.person-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #555;
  background: var(--card-bg);
  transition: transform .35s cubic-bezier(.2,.75,.25,1), box-shadow .35s ease, border-color .35s ease, opacity .45s ease;
}

.person-card:hover {
  z-index: 1;
  border-color: #91e5f6;
  box-shadow: 0 16px 38px rgba(0, 0, 0, .28);
  transform: translateY(-5px);
}

.person-card .person-photo {
  display: block;
  aspect-ratio: 5 / 6;
  overflow: hidden;
  background: #07103b;
}

.person-card .person-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform .55s cubic-bezier(.2,.75,.25,1);
}

.person-card:hover .person-photo img {
  transform: scale(1.04);
}

.person-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: .45rem;
  padding: 1rem 1.1rem 1.2rem;
  color: var(--card-text);
}

.person-card-body h2 {
  margin: 0;
  color: var(--card-title);
  font-size: 1.18rem;
  line-height: 1.3;
}

.person-card-body h2 a {
  color: inherit;
  text-decoration: none;
}

.person-card-body .person-role {
  margin: 0;
  color: var(--card-text);
  font-size: .78rem;
  font-weight: 400;
  line-height: 1.5;
  opacity: .85;
}

.person-summary {
  flex: 1;
  margin: 0;
  font-size: .85rem;
  line-height: 1.65;
}

.person-links {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem .9rem;
  margin: .35rem 0 0;
  font: 600 .78rem/1.4 'Open Sans', sans-serif;
}

/* ---- 新闻索引页 ---- */

.news-list {
  display: grid;
  gap: 1.25rem;
}

.news-item {
  display: grid;
  grid-template-columns: 15rem minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
  border: 1px solid #555;
  background: var(--card-bg);
  padding: 1.1rem 1.25rem;
  transition: transform .35s cubic-bezier(.2,.75,.25,1), box-shadow .35s ease, border-color .35s ease, opacity .45s ease;
}

.news-item:hover {
  z-index: 1;
  border-color: #91e5f6;
  box-shadow: 0 16px 38px rgba(0, 0, 0, .28);
  transform: translateY(-3px);
}

.news-item.no-image {
  grid-template-columns: minmax(0, 1fr);
}

.news-thumb {
  display: block;
  height: 9.5rem;
  overflow: hidden;
  background: #07103b;
}

.news-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform .55s cubic-bezier(.2,.75,.25,1);
}

.news-item:hover .news-thumb img {
  transform: scale(1.045);
}

.news-item-body {
  color: var(--card-text);
}

.news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .45rem .75rem;
  margin: 0 0 .4rem;
  color: var(--gallery-muted);
  font: .75rem/1.5 'Open Sans', sans-serif;
}

.news-tag {
  display: inline-block;
  padding: .12rem .5rem;
  border: 1px solid #398000;
  border-radius: 2px;
  color: var(--card-title);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.news-item h2 {
  margin: 0 0 .5rem;
  font-size: 1.18rem;
  line-height: 1.4;
}

.news-item h2 a {
  color: var(--card-title);
  text-decoration: none;
}

.news-item h2 a:hover {
  text-decoration: underline;
}

.news-summary {
  margin: 0 0 .6rem;
  font-size: .9rem;
  line-height: 1.7;
}

.news-links {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem 1rem;
  margin: 0;
  font: 600 .78rem/1.4 'Open Sans', sans-serif;
}

/* ---- 概况页 ---- */

.about-section {
  margin: 2rem 0;
}

.about-section > h2 {
  margin: 0 0 .9rem;
  border-bottom: 1px solid rgba(57, 128, 0, .4);
  padding-bottom: .45rem;
  color: var(--card-title);
  font-size: 1.3rem;
}

.about-section > p,
.about-section li {
  line-height: 1.8;
}

.inner-page .about-directions h3 {
  color: var(--card-title);
}

.inner-page .about-directions p {
  color: var(--card-text);
}

.software-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.software-list li {
  border-top: 2px solid #398000;
  padding-top: .7rem;
}

.software-list strong {
  display: block;
  margin-bottom: .3rem;
  color: var(--card-title);
  font-size: 1.02rem;
}

.software-list span {
  font-size: .88rem;
}

.chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.chain li {
  padding: .5rem .8rem;
  border: 1px solid #398000;
  border-radius: 2px;
  background: var(--card-bg);
  font-size: .85rem;
}

.chain li + li::before {
  content: "→";
  margin-right: .55rem;
  color: #398000;
  font-weight: 700;
}

.about-points {
  margin: 0;
  padding-left: 1.25rem;
}

.about-points li {
  margin: .6rem 0;
}

.inner-page .sources-list a {
  color: var(--card-button);
}

/* ---- 未找到 / 提示状态 ---- */

.not-found {
  padding: 3rem 1rem;
  text-align: center;
}

.not-found h1 {
  color: var(--card-text);
  font-size: 1.5rem;
}

/* ---- 滚动显现（配合 common.js 的 .reveal 动效约定） ---- */

.reveal {
  transition: opacity .45s ease, transform .45s cubic-bezier(.2,.75,.25,1), border-color .35s ease, box-shadow .35s ease;
}

.motion-ready .reveal.reveal-pending {
  opacity: 0;
  transform: translateY(22px);
}

.motion-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- 响应式 ---- */

@media (max-width: 1100px) {
  .people-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .people-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .inner-page .about-directions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .news-item,
  .news-item.no-image {
    grid-template-columns: minmax(0, 1fr);
  }

  .news-thumb {
    height: 12rem;
  }
}

@media (max-width: 640px) {
  .person-hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .person-hero .person-photo-frame {
    max-width: 15rem;
  }
}

@media (max-width: 560px) {
  .people-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .person-card .person-photo {
    aspect-ratio: 5 / 5.4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .motion-ready .reveal.reveal-pending {
    opacity: 1;
    transform: none;
  }

  .reveal {
    transition: none;
  }
}