:root {
  --ink: #1a2b3d;
  --navy: #243b56;
  --navy-soft: #3a5470;
  --gold: #a8873f;
  --gold-bright: #c4a35a;
  --gold-dim: rgba(168, 135, 63, 0.2);
  --paper: #e8f1fa;
  --paper-2: #d4e4f4;
  --muted: #6a7d92;
  --line: rgba(36, 59, 86, 0.12);
  --line-gold: rgba(168, 135, 63, 0.35);
  --text-dark: #1e3044;
  --shadow: 0 18px 48px rgba(36, 59, 86, 0.1);
  --font-display: "Cormorant Garamond", "Noto Serif SC", "Songti SC", serif;
  --font-body: "Manrope", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --max: 1180px;
  --nav-h: 78px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--paper);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* ---------- Nav ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.35s ease, backdrop-filter 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(232, 241, 250, 0.94);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 28px rgba(36, 59, 86, 0.06);
}

.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--gold-dim);
  background: #fff;
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--navy);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}

.brand-tag {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.95;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  list-style: none;
}

.nav-links a {
  position: relative;
  padding: 0.55rem 0.95rem;
  color: var(--navy-soft);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  transition: color 0.25s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0.95rem;
  right: 0.95rem;
  bottom: 0.2rem;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--navy);
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--navy);
  cursor: pointer;
  position: relative;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle span {
  top: 50%;
  transform: translateY(-50%);
}

.nav-toggle span::before {
  top: -7px;
}

.nav-toggle span::after {
  top: 7px;
}

.nav-toggle.is-open span {
  background: transparent;
}

.nav-toggle.is-open span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.is-open span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  color: var(--text-dark);
  background:
    radial-gradient(ellipse 90% 70% at 80% 15%, rgba(196, 163, 90, 0.16), transparent 55%),
    radial-gradient(ellipse 70% 55% at 10% 85%, rgba(120, 160, 200, 0.22), transparent 50%),
    linear-gradient(160deg, #e6f0fa 0%, #c8ddf2 45%, #aeccec 100%);
  overflow: hidden;
  padding: calc(var(--nav-h) + 2rem) 0 4.5rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(36, 59, 86, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 59, 86, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 75%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  width: 46vw;
  height: 46vw;
  right: -8%;
  top: 12%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(196, 163, 90, 0.14), transparent 68%);
  animation: floatGlow 10s ease-in-out infinite;
  pointer-events: none;
}

@keyframes floatGlow {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.85; }
  50% { transform: translateY(-18px) scale(1.05); opacity: 1; }
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: end;
}

.hero-brand-mark {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.6rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--navy);
  line-height: 1.05;
  margin-bottom: 1.25rem;
}

.hero-brand-mark span,
.hero-brand-mark a[data-bind="companyName"] {
  display: block;
  font-size: 0.34em;
  letter-spacing: 0.28em;
  color: var(--gold);
  margin-top: 0.75rem;
  font-family: var(--font-body);
  font-weight: 500;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.2vw, 2.35rem);
  font-weight: 500;
  line-height: 1.35;
  color: var(--navy-soft);
  max-width: 18ch;
  white-space: pre-line;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  max-width: 36ch;
  color: var(--muted);
  font-size: 1.02rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  border: 1px solid transparent;
  cursor: pointer;
  letter-spacing: 0.12em;
  font-size: 0.86rem;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.btn-primary {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
}

.btn-primary:hover {
  background: var(--gold-bright);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: rgba(36, 59, 86, 0.22);
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.hero-aside {
  justify-self: end;
  text-align: right;
  padding-bottom: 0.5rem;
}

.hero-logo-wrap {
  width: min(280px, 70vw);
  margin-left: auto;
  position: relative;
}

.hero-logo-wrap::before {
  content: "";
  position: absolute;
  inset: -18%;
  border: 1px solid var(--line-gold);
  border-radius: 50%;
  animation: pulseRing 5.5s ease-in-out infinite;
}

@keyframes pulseRing {
  0%, 100% { transform: scale(0.96); opacity: 0.35; }
  50% { transform: scale(1); opacity: 0.7; }
}

.hero-logo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid rgba(168, 135, 63, 0.4);
  box-shadow: var(--shadow);
  background: #fff;
}

.hero-aside-label {
  margin-top: 1.25rem;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
}

.latest-announce {
  background:
    radial-gradient(ellipse 80% 70% at 80% 20%, rgba(196, 163, 90, 0.12), transparent 55%),
    linear-gradient(180deg, #eef5fc, #d6e7f6);
  padding: 5.5rem 0 6rem;
}

.latest-announce-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.08em;
  margin-bottom: 1.75rem;
}

.latest-announce-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(36, 59, 86, 0.1);
  border-radius: 4px;
  box-shadow: var(--shadow);
  padding: 2.75rem 2.5rem 0;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
  overflow: hidden;
}

.latest-announce-heading {
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.55;
  max-width: 36em;
  margin: 0 auto 1.1rem;
}

.latest-announce-date {
  display: inline-block;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  background: rgba(42, 74, 110, 0.08);
  color: var(--navy-soft);
  font-size: 0.88rem;
  margin-bottom: 1.35rem;
}

.latest-announce-excerpt {
  max-width: 38em;
  margin: 0 auto 2rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.85;
}

.latest-announce-more {
  display: block;
  padding: 1.25rem 1rem 1.4rem;
  margin: 0 -2.5rem;
  background: linear-gradient(180deg, #fff 0%, #e8f1fa 100%);
  color: var(--navy);
  font-size: 1rem;
  letter-spacing: 0.04em;
  border-top: 1px solid rgba(36, 59, 86, 0.08);
  transition: color 0.2s ease, background 0.2s ease;
}

.latest-announce-more:hover {
  color: var(--gold);
  background: linear-gradient(180deg, #fff 0%, #dceaf6 100%);
}

.latest-announce-empty {
  padding: 2.5rem 1rem 3rem;
  color: var(--muted);
}

/* reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

/* ---------- Sections ---------- */

.section {
  padding: 6rem 0;
}

.section-dark {
  background:
    linear-gradient(180deg, #d0e3f4, #b9d4ee);
  color: var(--text-dark);
}

.section-muted {
  background:
    linear-gradient(180deg, #eef5fc, #d6e7f6);
}

.section-head {
  margin-bottom: 3rem;
  max-width: 40rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.85rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.85rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: var(--navy);
}

.section-dark .section-title {
  color: var(--navy);
}

.section-desc {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 1.02rem;
}

.section-dark .section-desc {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: start;
}

.prose {
  white-space: pre-line;
  color: #44586c;
  font-size: 1.05rem;
}

.section-dark .prose {
  color: #44586c;
}

.divider-gold {
  width: 56px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin: 1.4rem 0;
}

.business-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-gold);
}

.business-item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid rgba(168, 135, 63, 0.18);
  transition: background 0.3s ease, padding-left 0.3s ease;
}

.business-item:hover {
  padding-left: 0.5rem;
  background: linear-gradient(90deg, rgba(196, 163, 90, 0.1), transparent);
}

.business-index {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--gold);
  line-height: 1;
  padding-top: 0.2rem;
}

.business-item h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 0.55rem;
  color: var(--navy);
}

.business-item p {
  color: var(--muted);
  max-width: 52ch;
}

.news-list {
  display: grid;
  gap: 0;
}

.news-item {
  display: grid;
  grid-template-columns: 8.5rem 1fr auto;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.55rem 0;
  border-bottom: 1px solid var(--line);
  transition: color 0.25s ease;
}

.news-item:first-child {
  border-top: 1px solid var(--line);
}

.news-item:hover .news-title {
  color: var(--gold);
}

.news-date {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.news-title {
  font-size: 1.12rem;
  font-weight: 560;
  color: var(--navy);
  transition: color 0.25s ease;
}

.news-summary {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-arrow {
  color: var(--gold);
  font-size: 1.2rem;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.news-item:hover .news-arrow {
  opacity: 1;
  transform: none;
}

.page-hero {
  padding: calc(var(--nav-h) + 4.5rem) 0 3.5rem;
  background:
    radial-gradient(ellipse 70% 80% at 90% 20%, rgba(196, 163, 90, 0.14), transparent 50%),
    linear-gradient(160deg, #d8e8f7, #c2daf2 60%, #abcdec);
  color: var(--navy);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  letter-spacing: 0.06em;
  margin-top: 0.5rem;
  color: var(--navy);
}

.page-hero p {
  margin-top: 1rem;
  max-width: 40rem;
  color: var(--muted);
}

.article {
  padding: 4rem 0 6rem;
}

.article-meta {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.article-body {
  white-space: pre-line;
  font-size: 1.08rem;
  color: #33485c;
  line-height: 1.85;
  max-width: 46rem;
}

.attachments {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  max-width: 46rem;
}

.attachments h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 1rem;
  color: var(--navy);
}

.attachment-list {
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.attachment-list a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--line-gold);
  background: linear-gradient(90deg, rgba(196, 163, 90, 0.08), transparent);
  color: var(--navy);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.attachment-list a:hover {
  border-color: var(--gold);
  background: rgba(196, 163, 90, 0.12);
}

.attachment-size {
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

.empty-state {
  padding: 2.5rem 0;
  color: var(--muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.contact-block h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--navy);
  margin-bottom: 0.65rem;
  letter-spacing: 0.04em;
}

.contact-block p {
  color: var(--muted);
}

.site-footer {
  background: #c5daf0;
  color: var(--muted);
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  font-size: 0.9rem;
}

.footer-brand {
  color: var(--navy);
  font-family: var(--font-display);
  letter-spacing: 0.06em;
}

a.footer-brand {
  text-decoration: none;
}

a.footer-brand:hover {
  color: var(--gold);
}

@media (max-width: 900px) {
  .hero-inner,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-aside {
    justify-self: start;
    text-align: left;
    order: -1;
  }

  .hero-logo-wrap {
    margin-left: 0;
    width: min(180px, 46vw);
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .news-arrow {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    position: fixed;
    inset: var(--nav-h) 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: rgba(248, 250, 252, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 1.25rem 1.25rem;
  }

  .nav-links.is-open {
    display: flex;
  }

  .brand-name {
    max-width: 180px;
    font-size: 1rem;
  }
}

@media (max-width: 560px) {
  .business-item {
    grid-template-columns: 2.8rem 1fr;
    gap: 0.85rem;
  }

  .hero-actions {
    width: 100%;
  }

  .btn {
    width: 100%;
  }
}

/* 组织上下级 */
.org-block {
  margin-top: 0.5rem;
}

.org-heading {
  font-family: "Noto Serif SC", "Cormorant Garamond", serif;
  font-size: 1.55rem;
  color: var(--navy);
  margin: 0 0 0.35rem;
}

.org-hint {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 1.5rem;
}

.org-tree {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.org-node {
  border: 1px solid rgba(20, 32, 51, 0.12);
  background: linear-gradient(180deg, #fff 0%, #f7f5f0 100%);
  padding: 1rem 1.15rem;
  text-align: center;
}

.org-parent {
  border-color: rgba(168, 135, 63, 0.35);
}

.org-self {
  border-color: rgba(36, 59, 86, 0.28);
  background: linear-gradient(180deg, #f4f7fb 0%, #eef2f7 100%);
}

.org-role {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.4rem;
}

.org-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
}

.org-name a,
a[data-bind="companyName"] {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(168, 135, 63, 0.55);
}

.org-name a:hover,
a[data-bind="companyName"]:hover {
  color: var(--gold);
}

.org-desc {
  margin: 0.35rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.org-connector {
  width: 2px;
  height: 1.35rem;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(168, 135, 63, 0.2), rgba(168, 135, 63, 0.75));
}

.org-children {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.org-child {
  border: 1px dashed rgba(20, 32, 51, 0.16);
  padding: 0.9rem 1rem;
  text-align: center;
  background: #fff;
}

.org-empty {
  color: var(--muted);
  font-size: 0.9rem;
  border-style: solid;
}