:root {
  --g900: #0f3b2e;
  --g800: #14503d;
  --g700: #1c6a51;
  --g500: #2f8b6b;
  --g200: #cfe4da;
  --g100: #e6f1ec;
  --g50: #f3f9f6;
  --cream: #faf7f1;
  --orange: #e8792a;
  --orange-soft: #fdf1e6;
  --ink: #1f2f2a;
  --muted: #63756e;
  --line: #e3ebe7;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 59, 46, .08);
  --wrap: 1200px;
  --header-h: 84px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.7;
  font-size: 16px;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--g700); text-decoration: none; }
a:hover { color: var(--orange); }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--g800); color: #fff;
  padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(150%) blur(6px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: var(--header-h);
  display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; flex: none; color: var(--g900); }
.brand:hover { color: var(--g900); }
.brand-logo { height: 46px; width: auto; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 12px; flex: none;
  background: linear-gradient(140deg, var(--g700), var(--g500));
  color: #fff; font-size: 14px; font-weight: 700; letter-spacing: 1px;
  display: flex; align-items: center; justify-content: center;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 17px; letter-spacing: .5px; }
.brand-text small { font-size: 10.5px; color: var(--muted); letter-spacing: .2px; }

.site-nav { display: flex; gap: 6px; margin-left: auto; }
.site-nav a {
  padding: 9px 16px; border-radius: 999px; color: var(--ink); font-size: 15.5px; font-weight: 500;
  position: relative; transition: background .18s, color .18s;
}
.site-nav a:hover { background: var(--g50); color: var(--g800); }
.site-nav a.is-active { color: var(--g800); background: var(--g100); font-weight: 600; }

.header-slogan {
  margin: 0; flex: none; max-width: 190px; font-size: 12.5px; line-height: 1.5;
  color: var(--g700); text-align: right; padding-left: 20px; border-left: 1px solid var(--line);
}

.nav-toggle {
  display: none; margin-left: auto; align-items: center; gap: 8px;
  border: 1px solid var(--line); background: #fff; color: var(--g800);
  padding: 9px 14px; border-radius: 999px; font-size: 14px; cursor: pointer;
  white-space: nowrap; flex: none;
}
.nav-toggle-bars { width: 16px; height: 2px; background: var(--g700); box-shadow: 0 5px 0 var(--g700), 0 -5px 0 var(--g700); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #f7fbf8 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}
.hero-bg {
  position: absolute; inset: 0;
  background-position: center right;
  background-size: cover;
  background-repeat: no-repeat;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg,
    rgba(255, 255, 255, .97) 0%,
    rgba(255, 255, 255, .94) 34%,
    rgba(255, 255, 255, .82) 42%,
    rgba(255, 255, 255, .42) 49%,
    rgba(255, 255, 255, .10) 56%,
    rgba(255, 255, 255, 0) 63%);
}
.hero-bg.is-empty { background: linear-gradient(135deg, #dcefe4 0%, #f4fbf7 55%, #fdf2e7 100%); }
.hero-bg.is-empty::after { display: none; }
.hero-inner {
  position: relative; z-index: 1;
  display: flex; align-items: center;
  min-height: 520px;
  padding-top: 56px; padding-bottom: 56px;
}
.hero-copy { max-width: 560px; }

.hero-title {
  margin: 0 0 16px; font-size: clamp(30px, 4vw, 48px); line-height: 1.25;
  color: var(--g900); letter-spacing: 1px; font-weight: 700;
}
.hero-sub { margin: 0 0 28px; color: var(--muted); font-size: 16.5px; letter-spacing: 1px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 26px;
  border-radius: 999px; font-size: 15.5px; font-weight: 600; border: 1px solid transparent;
  transition: transform .15s, box-shadow .18s, background .18s;
}
.btn-primary { background: var(--g800); color: #fff; box-shadow: 0 8px 20px rgba(20, 80, 61, .2); }
.btn-primary:hover { background: var(--g900); color: #fff; transform: translateY(-1px); }
.btn-ghost { border-color: var(--g200); color: var(--g800); background: #fff; }
.btn-ghost:hover { border-color: var(--g500); color: var(--g800); transform: translateY(-1px); }

/* ---------- Quick entries ---------- */
.quick-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px; margin: 36px auto 0; position: relative; z-index: 2;
}
.quick-card {
  display: flex; align-items: center; gap: 16px;
  background: linear-gradient(180deg, #f0f8f4 0%, #e5f3ec 100%);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: var(--shadow);
  transition: transform .18s, box-shadow .18s, background .18s, border-color .18s;
}
.quick-card:hover {
  transform: translateY(-3px); box-shadow: 0 16px 34px rgba(15, 59, 46, .12);
  background: linear-gradient(180deg, #f5fbf8 0%, #eaf6f0 100%);
  border-color: var(--g200); color: inherit;
}
.quick-icon {
  width: 48px; height: 48px; border-radius: 14px; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: var(--g100); color: var(--g700);
}
.quick-icon svg { width: 24px; height: 24px; }
.quick-card:nth-child(2) .quick-icon { background: var(--orange-soft); color: var(--orange); }
.quick-card:nth-child(3) .quick-icon { background: #eaf2fb; color: #31658f; }
.quick-body h2 { margin: 0 0 4px; font-size: 17px; color: var(--g900); }
.quick-body p { margin: 0; font-size: 13.5px; color: var(--muted); }
.quick-card::after { content: "›"; margin-left: auto; color: var(--g500); font-size: 26px; line-height: 1; }

/* ---------- Sections ---------- */
.section { padding: 56px 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 24px; gap: 16px; }
.section-head h2 { margin: 0; font-size: 23px; color: var(--g900); letter-spacing: .5px; }
.section-head h2::before {
  content: ""; display: inline-block; width: 4px; height: 18px; border-radius: 2px;
  background: var(--orange); margin-right: 10px; vertical-align: -2px;
}
.more-link { font-size: 14px; color: var(--muted); }
.more-link:hover { color: var(--orange); }

.home-columns { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr); gap: 36px; }

.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item {
  display: grid; grid-template-columns: 128px minmax(0, 1fr) auto; gap: 16px; align-items: center;
  padding: 14px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
  transition: border-color .18s, box-shadow .18s;
}
.news-item:hover { border-color: var(--g200); box-shadow: var(--shadow); color: inherit; }
.news-thumb { width: 128px; height: 86px; border-radius: 10px; overflow: hidden; background: var(--g50); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-thumb--empty { display: flex; align-items: center; justify-content: center; color: var(--g500); font-size: 13px; }
.news-body h3 { margin: 0 0 6px; font-size: 15.5px; color: var(--ink); }
.news-body p { margin: 0; font-size: 13.5px; color: var(--muted); }
.news-date { font-size: 13px; color: var(--muted); white-space: nowrap; }

.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.project-card {
  position: relative; border-radius: var(--radius); overflow: hidden; min-height: 168px;
  background: linear-gradient(140deg, var(--g700), var(--g500)); color: #fff;
  display: flex; align-items: flex-end; padding: 18px; box-shadow: var(--shadow);
}
.project-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.project-card .pc-overlay { position: relative; z-index: 1; }
.project-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(15, 59, 46, 0) 30%, rgba(15, 59, 46, .82) 100%);
}
.project-card .pc-overlay { z-index: 2; }
.project-card h3 { margin: 0; font-size: 15.5px; }
.project-card p { margin: 4px 0 0; font-size: 13px; opacity: .85; }

/* ---------- Disclosure strip ---------- */
.disclosure-strip { background: var(--g50); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.disclosure-strip .section { padding: 40px 0; }
.disclosure-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.disclosure-item {
  display: flex; align-items: center; gap: 12px;
  background: linear-gradient(180deg, #fbfefc 0%, #eaf5ef 100%);
  border: 1px solid var(--line);
  border-radius: 12px; padding: 18px 16px; color: var(--ink); font-size: 14.5px;
  transition: border-color .18s, color .18s, background .18s;
}
.disclosure-item:hover {
  border-color: var(--g500); color: var(--g800);
  background: linear-gradient(180deg, #f4fbf7 0%, #e2f1e9 100%);
}
.disclosure-item svg { width: 20px; height: 20px; color: var(--g700); flex: none; }

/* ---------- Inner pages ---------- */
.page-head {
  background: linear-gradient(180deg, var(--g50), #fff);
  border-bottom: 1px solid var(--line);
  padding: 40px 0 32px;
}
.page-head h1 { margin: 0 0 6px; font-size: 28px; color: var(--g900); letter-spacing: 1px; }
.breadcrumb { font-size: 13.5px; color: var(--muted); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb span { margin: 0 8px; opacity: .5; }

.inner-layout {
  display: grid; grid-template-columns: 236px minmax(0, 1fr); gap: 40px;
  padding-top: 44px; padding-bottom: 72px; align-items: start;
}
.side-nav { background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; position: sticky; top: calc(var(--header-h) + 20px); }
.side-nav h2 { font-size: 13px; color: var(--muted); margin: 10px 12px 8px; font-weight: 600; letter-spacing: 1px; }
.side-nav a {
  display: block; padding: 11px 14px; border-radius: 10px; color: var(--ink); font-size: 15px;
}
.side-nav a:hover { background: #fff; color: var(--g800); }
.side-nav a.is-active { background: var(--g800); color: #fff; font-weight: 600; }

.content-panel h2 { font-size: 21px; color: var(--g900); margin: 0 0 18px; }

.empty-state {
  border: 1px dashed var(--g200); background: var(--g50); border-radius: var(--radius);
  padding: 56px 24px; text-align: center; color: var(--muted); font-size: 15px;
}

/* Article list */
.article-list { display: flex; flex-direction: column; gap: 16px; }
.article-row {
  display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 20px;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; background: #fff;
  transition: box-shadow .18s, border-color .18s;
}
.article-row:hover { box-shadow: var(--shadow); border-color: var(--g200); color: inherit; }
.article-row .ar-thumb { width: 180px; height: 120px; border-radius: 10px; overflow: hidden; background: var(--g50); }
.article-row .ar-thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-row h3 { margin: 0 0 8px; font-size: 17px; color: var(--ink); }
.article-row p { margin: 0 0 10px; font-size: 14px; color: var(--muted); }
.article-meta { font-size: 13px; color: var(--muted); display: flex; gap: 16px; }

.pager { display: flex; gap: 8px; margin-top: 28px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 38px; height: 38px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--line);
  display: inline-flex; align-items: center; justify-content: center; font-size: 14px; color: var(--muted);
}
.pager .is-current { background: var(--g800); border-color: var(--g800); color: #fff; }

/* Article detail */
.article-detail { max-width: 820px; }
.article-detail h1 { font-size: 27px; line-height: 1.45; color: var(--g900); margin: 0 0 12px; }
.article-detail .article-meta { margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.article-body { font-size: 16.5px; line-height: 1.9; color: #24332d; }
.article-body p { margin: 0 0 1.1em; }
.article-body img { border-radius: 10px; margin: 1.2em auto; }
.article-body h2 { font-size: 21px; margin: 1.6em 0 .7em; color: var(--g900); }
.article-body h3 { font-size: 18px; margin: 1.4em 0 .6em; color: var(--g900); }
.article-body ul, .article-body ol { padding-left: 1.4em; margin: 0 0 1.1em; }
.article-body blockquote {
  margin: 1.2em 0; padding: 12px 18px; border-left: 3px solid var(--g500);
  background: var(--g50); color: #33463f; border-radius: 0 8px 8px 0;
}
.article-body table { width: 100%; border-collapse: collapse; margin: 1.2em 0; font-size: 15px; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 8px 10px; }
.article-body a { color: var(--g700); text-decoration: underline; }

.attach-list { margin-top: 32px; border-top: 1px solid var(--line); padding-top: 20px; }
.attach-list h2 { font-size: 16px; margin: 0 0 12px; color: var(--g900); }
.attach-list a {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px; border: 1px solid var(--line);
  border-radius: 10px; margin-bottom: 8px; font-size: 14.5px;
}
.attach-list a:hover { border-color: var(--g500); }

/* Documents */
.doc-list { display: flex; flex-direction: column; gap: 14px; }
.doc-row {
  display: flex; align-items: center; gap: 16px; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px 20px; background: #fff;
}
.doc-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--orange-soft); color: var(--orange); display: flex; align-items: center; justify-content: center; flex: none; }
.doc-meta h3 { margin: 0 0 4px; font-size: 16px; }
.doc-meta p { margin: 0; font-size: 13px; color: var(--muted); }
.doc-actions { margin-left: auto; display: flex; gap: 10px; flex-wrap: wrap; }
.doc-actions a, .doc-actions button {
  font-size: 13.5px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--g200);
  color: var(--g800); background: #fff; cursor: pointer;
}
.doc-actions a:hover, .doc-actions button:hover { background: var(--g800); border-color: var(--g800); color: #fff; }

/* 同页 PDF 显示区（浏览器原生渲染，无自定义阅读器） */
.doc-viewer { display: flex; flex-direction: column; gap: 14px; }
.doc-viewer-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.doc-viewer-title { flex: 1 1 200px; min-width: 0; font-size: 16px; font-weight: 600; color: var(--g900); }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.pdf-fallback { margin: 0; font-size: 13px; color: var(--muted); }

.pdf-frame { width: 100%; height: 720px; border: 1px solid var(--line); border-radius: var(--radius); background: #f7f8f8; }

/* Org chart */
.org {
  background: var(--g50); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px 24px; overflow-x: auto;
}
.org-inner { min-width: 720px; display: flex; flex-direction: column; align-items: center; }
.org-row { display: flex; gap: 48px; justify-content: center; width: 100%; }
.org-node {
  min-width: 150px; padding: 14px 18px; background: #fff; border: 1px solid var(--g200);
  border-radius: 10px; text-align: center; font-size: 15px; color: var(--g900); box-shadow: 0 2px 6px rgba(15, 59, 46, .05);
}
.org-node--main { background: var(--g800); color: #fff; border-color: var(--g800); font-weight: 600; }
.org-node--chair { background: var(--g700); color: #fff; border-color: var(--g700); font-weight: 600; min-width: 180px; }
.org-vline { width: 2px; height: 26px; background: var(--g200); }
.org-branches { position: relative; display: flex; gap: 18px; justify-content: center; width: 100%; padding-top: 26px; }
.org-branches::before {
  content: ""; position: absolute; top: 0; left: 8%; right: 8%; height: 2px; background: var(--g200);
}
.org-branches .org-node { position: relative; flex: 1; max-width: 160px; }
.org-branches .org-node::before {
  content: ""; position: absolute; top: -26px; left: 50%; width: 2px; height: 26px; background: var(--g200);
}
.org-note { margin-top: 18px; font-size: 13px; color: var(--muted); text-align: center; }

/* Partner */
.partner-card { display: flex; gap: 20px; align-items: center; border: 1px dashed var(--g200); border-radius: var(--radius); padding: 40px 24px; justify-content: center; color: var(--muted); }

/* Contact */
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.contact-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 16px; }
.contact-list .label { color: var(--muted); font-size: 14px; min-width: 68px; line-height: 1.9; }
.contact-address { word-break: break-word; }

/* ---------- Footer ---------- */
.site-footer { background: linear-gradient(160deg, #103c2f 0%, #0b2a21 100%); color: #d7e6de; margin-top: 0; }
.footer-inner {
  display: grid; grid-template-columns: minmax(0, 2fr) repeat(4, minmax(0, 1fr)) minmax(0, 1.1fr);
  gap: 28px; padding: 56px 24px 40px;
}
.footer-brand { min-width: 0; }
.footer-brand strong { display: block; margin-top: 18px; color: #fff; font-size: clamp(16px, 1.5vw, 24px); font-weight: 700; letter-spacing: .5px; line-height: 1.35; white-space: nowrap; }
.footer-brand img {
  width: 140px; height: 140px; object-fit: contain;
  background: #fff; border-radius: 18px; padding: 10px;
}
.footer-mark {
  width: 140px; height: 140px; border-radius: 18px; background: rgba(255, 255, 255, .12);
  display: flex; align-items: center; justify-content: center; font-size: 26px; color: #fff;
}
.footer-col h2 { font-size: 14px; color: #fff; margin: 0 0 14px; font-weight: 600; letter-spacing: .5px; }
.footer-col a { display: block; color: #b9cec4; font-size: 13.5px; padding: 5px 0; }
.footer-col a:hover { color: #fff; }
.footer-slogan p {
  margin: 0; font-size: 14px; line-height: 1.9; color: #cfe2d8;
  border-left: 2px solid rgba(255, 255, 255, .18); padding-left: 16px;
}
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 16px 0; font-size: 12.5px; color: #93aca1; }
.footer-bottom .wrap { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- Zoom overlay ---------- */
.zoom-overlay {
  position: fixed; inset: 0; z-index: 200; background: rgba(10, 30, 24, .88);
  display: flex; align-items: center; justify-content: center; padding: 32px;
}
.zoom-overlay img { max-width: 100%; max-height: 100%; border-radius: 10px; box-shadow: 0 20px 60px rgba(0,0,0,.4); }
.zoom-close {
  position: absolute; top: 18px; right: 22px; width: 40px; height: 40px; border-radius: 50%;
  border: 0; background: rgba(255,255,255,.16); color: #fff; font-size: 24px; line-height: 1; cursor: pointer;
}
.zoom-close:hover { background: rgba(255,255,255,.28); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .header-slogan { display: none; }
  .hero-inner { min-height: 460px; padding-top: 44px; padding-bottom: 48px; }
  .home-columns { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  :root { --header-h: 68px; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute; left: 0; right: 0; top: var(--header-h);
    flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--line);
    padding: 10px 16px 16px; display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { border-radius: 10px; padding: 12px 14px; }
  .theme-nav-open .site-nav { display: flex; }
  .quick-grid { grid-template-columns: 1fr; margin-top: 28px; }
  /* Banner：小屏改为「图片在上、文字在下」，避免文字压在人脸上 */
  .hero-inner { min-height: auto; padding-top: 28px; padding-bottom: 36px; }
  .hero-bg {
    position: relative; inset: auto;
    height: 210px; margin: 16px 24px 0; border-radius: 16px;
    background-position: center;
  }
  .hero-bg::after { display: none; }
  .hero-copy { max-width: none; }
  .disclosure-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .inner-layout { grid-template-columns: 1fr; padding-top: 28px; }
  .side-nav { position: static; display: flex; flex-wrap: wrap; gap: 6px; padding: 10px; }
  .side-nav h2 { display: none; }
  .side-nav a { padding: 9px 14px; }
  .article-row { grid-template-columns: 1fr; }
  .article-row .ar-thumb { width: 100%; height: 180px; }
  .project-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 40px 24px 28px; }
  .footer-brand img, .footer-mark { width: 110px; height: 110px; border-radius: 16px; }
  .footer-brand strong { font-size: 18px; margin-top: 14px; }
  .pdf-frame { height: 520px; }
}

@media (max-width: 560px) {
  body { font-size: 15.5px; }
  .header-inner { gap: 10px; }
  .brand { min-width: 0; }
  .brand-text { min-width: 0; }
  .brand-text strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .nav-toggle { padding: 8px 12px; }
  .brand-text small { display: none; }
  .brand-text strong { font-size: 15px; }
  .brand-logo { height: 38px; }
  .news-item { grid-template-columns: 96px minmax(0, 1fr); }
  .news-thumb { width: 96px; height: 70px; }
  .news-date { display: none; }
  .disclosure-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 22px; }
  .footer-brand img, .footer-mark { width: 96px; height: 96px; border-radius: 14px; padding: 8px; }
  .footer-brand strong { font-size: 16px; margin-top: 12px; }
  .hero-actions .btn { flex: 1; justify-content: center; }
  .doc-row { flex-wrap: wrap; }
  .doc-actions { margin-left: 0; width: 100%; }
  .pdf-frame { height: 420px; }
}