/* ============================================================
   利博集团 LIBO GROUP — 企业官网样式
   设计体系：深蓝 + 金色 + 米白，衬线展示字体 + 无衬线正文
   ============================================================ */

:root {
  --navy-950: #071222;
  --navy-900: #0B1F3A;
  --navy-800: #122C52;
  --navy-700: #1B4378;
  --navy-600: #28578F;
  --gold-600: #A9861B;
  --gold-500: #C9A227;
  --gold-400: #D9B64A;
  --gold-300: #E8CF7E;
  --cream: #F7F5EF;
  --cream-deep: #EFEBE0;
  --white: #FFFFFF;
  --ink: #1B2430;
  --muted: #5C6B7A;
  --line: #E2DDD0;
  --line-dark: rgba(255,255,255,.14);
  --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  --shadow: 0 18px 44px rgba(11,31,58,.10);
  --shadow-lg: 0 28px 64px rgba(11,31,58,.16);
  --radius: 4px;
  --container: 1200px;
  --header-h: 76px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
input, select, textarea { font-family: inherit; font-size: 15px; }

.hidden { display: none !important; }

.container {
  width: min(var(--container), 92vw);
  margin: 0 auto;
}

/* ---------------- 通用组件 ---------------- */

.kicker {
  font-size: 13px;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--gold-600);
  font-weight: 500;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--gold-500);
  display: inline-block;
}
.kicker-light { color: var(--gold-300); }

.section-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.3;
  color: var(--navy-900);
  margin-bottom: 18px;
  letter-spacing: .02em;
}
.section-title.light { color: var(--white); }
.section-sub { color: var(--muted); max-width: 640px; }

.section { padding: 92px 0; }
.section-head { margin-bottom: 48px; }
.section-head.center { text-align: center; }
.section-head.center .kicker { justify-content: center; }
.section-head.center .kicker::after {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--gold-500);
  display: inline-block;
}
.section-head.row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.lead-text {
  font-size: 18px;
  color: var(--navy-800);
  font-weight: 400;
  margin-bottom: 16px;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--navy-800);
  font-weight: 500;
  border-bottom: 1px solid var(--gold-500);
  padding-bottom: 3px;
  white-space: nowrap;
  transition: color .25s;
}
.link-more:hover { color: var(--gold-600); }
.link-more svg { transition: transform .25s; }
.link-more:hover svg { transform: translateX(4px); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  letter-spacing: .06em;
  transition: all .28s ease;
}
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 16px 40px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-gold {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: var(--navy-950);
  border-color: transparent;
  box-shadow: 0 10px 24px rgba(201,162,39,.32);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(201,162,39,.42);
  filter: brightness(1.05);
}
.btn-ghost-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.55);
}
.btn-ghost-light:hover { border-color: var(--white); background: rgba(255,255,255,.08); }

/* ---------------- 顶部导航 ---------------- */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(7,18,34,.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: background .3s, box-shadow .3s;
}
.site-header.scrolled {
  background: rgba(7,18,34,.94);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
}
.brand-mark { color: var(--gold-400); line-height: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .14em;
}
.brand-text em {
  font-style: normal;
  font-size: 10px;
  letter-spacing: .42em;
  color: var(--gold-300);
  margin-top: 2px;
}

.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  position: relative;
  color: rgba(255,255,255,.82);
  font-size: 15px;
  padding: 10px 13px;
  transition: color .25s;
  white-space: nowrap;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 13px; right: 13px; bottom: 4px;
  height: 2px;
  background: var(--gold-400);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s ease;
}
.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 16px; }
.header-contact { display: inline-flex; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: var(--radius);
  padding: 10px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--white);
  transition: transform .3s, opacity .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

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

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
  background: var(--navy-950);
}
.hero-media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  animation: heroZoom 14s ease-out forwards;
}
@keyframes heroZoom {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(7,18,34,.94) 0%, rgba(11,31,58,.78) 46%, rgba(11,31,58,.38) 100%),
    linear-gradient(to top, rgba(7,18,34,.92) 0%, transparent 30%);
}
.hero-skyline {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 200px;
  pointer-events: none;
}
.hero-skyline svg { width: 100%; height: 100%; }
.hero-inner {
  position: relative;
  z-index: 2;
  padding: calc(var(--header-h) + 70px) 0 120px;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(46px, 7.2vw, 84px);
  line-height: 1.12;
  letter-spacing: .06em;
  margin-bottom: 24px;
}
.hero-title span {
  display: block;
  font-size: clamp(18px, 2.4vw, 28px);
  font-weight: 500;
  letter-spacing: .5em;
  color: var(--gold-300);
  margin-top: 8px;
}
.hero-lead {
  font-size: clamp(16px, 2vw, 19px);
  color: rgba(255,255,255,.85);
  max-width: 680px;
  margin-bottom: 38px;
  line-height: 2;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,.18);
  padding-top: 30px;
  max-width: 900px;
}
.hero-stats li {
  flex: 1 1 160px;
  padding: 0 28px 0 0;
  border-right: 1px solid rgba(255,255,255,.14);
}
.hero-stats li + li { padding-left: 28px; }
.hero-stats li:last-child { border-right: 0; }
.hero-stats strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 700;
  color: var(--gold-400);
  line-height: 1.2;
}
.hero-stats span {
  font-size: 13px;
  letter-spacing: .12em;
  color: rgba(255,255,255,.72);
}

.hero-scroll {
  position: absolute;
  bottom: 34px; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: rgba(255,255,255,.7);
  animation: bounce 2.2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 10px); }
}

/* ---------------- 首页·集团速览 ---------------- */

.intro { background: var(--white); }
.grid-2 {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.grid-2.align-center { align-items: center; }
.intro-copy p { margin-bottom: 16px; color: var(--muted); }
.intro-copy .lead-text { color: var(--navy-800); }
.intro-copy .link-more { margin-top: 14px; }

.intro-media { position: relative; }
.intro-media img, .media-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.intro-badge {
  position: absolute;
  left: -22px; bottom: -22px;
  background: var(--navy-900);
  color: var(--white);
  padding: 20px 26px;
  border-left: 3px solid var(--gold-500);
  box-shadow: var(--shadow-lg);
}
.intro-badge strong {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: .2em;
  color: var(--gold-300);
}
.intro-badge span { font-size: 13px; color: rgba(255,255,255,.75); letter-spacing: .1em; }

/* ---------------- 业务卡片 ---------------- */

.business-home { background: var(--cream); }
.biz-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.biz-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .32s ease, box-shadow .32s ease, border-color .32s;
}
.biz-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: var(--gold-500);
}
.biz-media { aspect-ratio: 4 / 3; overflow: hidden; }
.biz-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.biz-card:hover .biz-media img { transform: scale(1.07); }
.biz-body { padding: 24px 22px 26px; }
.biz-body h3 {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--navy-900);
  margin-bottom: 10px;
}
.biz-body p { font-size: 14.5px; color: var(--muted); margin-bottom: 18px; }
.biz-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gold-600);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color .25s;
}
.biz-card:hover .biz-more { border-color: var(--gold-500); }

/* ---------------- 实力数据带 ---------------- */

.strength-band {
  background:
    linear-gradient(rgba(11,31,58,.94), rgba(11,31,58,.94)),
    url('assets/estate.jpg') center / cover fixed;
  color: var(--white);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item { padding: 12px 8px; border-right: 1px solid rgba(255,255,255,.14); }
.stat-item:last-child { border-right: 0; }
.stat-item strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(34px, 4.4vw, 52px);
  font-weight: 700;
  color: var(--gold-400);
  line-height: 1.2;
  margin-bottom: 8px;
}
.stat-item span { font-size: 14px; letter-spacing: .14em; color: rgba(255,255,255,.78); }

/* ---------------- 首页新闻 ---------------- */

.news-home-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .32s ease, box-shadow .32s ease;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.news-card-media { aspect-ratio: 16 / 9; overflow: hidden; background: var(--cream-deep); }
.news-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.news-card:hover .news-card-media img { transform: scale(1.06); }
.news-card-body { padding: 22px 22px 24px; }
.news-date { font-size: 12.5px; color: var(--gold-600); letter-spacing: .1em; margin-bottom: 10px; display: block; }
.news-card h3 {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--navy-900);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card p {
  font-size: 14px;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------------- CTA 带 ---------------- */

.cta-band {
  background: linear-gradient(120deg, var(--navy-900), var(--navy-700));
  color: var(--white);
  padding: 70px 0;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-inner h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  margin-bottom: 10px;
}
.cta-inner p { color: rgba(255,255,255,.78); max-width: 640px; }

/* ---------------- 页面内页 Hero ---------------- */

.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 92px) 0 84px;
  color: var(--white);
  background-size: cover;
  background-position: center;
  background-color: var(--navy-900);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7,18,34,.9), rgba(11,31,58,.55));
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 700;
  letter-spacing: .06em;
  margin-bottom: 14px;
}
.page-hero p:not(.kicker) { color: rgba(255,255,255,.78); font-size: 16.5px; }
.page-hero-about { background-image: url('assets/about.jpg'); }
.page-hero-business { background-image: url('assets/hotel.jpg'); }
.page-hero-strength { background-image: url('assets/estate.jpg'); }
.page-hero-news { background-image: url('assets/hero.jpg'); }
.page-hero-culture { background-image: url('assets/culture.jpg'); }
.page-hero-history { background-image: url('assets/estate.jpg'); }
.page-hero-careers { background-image: url('assets/office.jpg'); }
.page-hero-contact { background-image: url('assets/hero.jpg'); }

/* ---------------- 集团简介 ---------------- */

.media-frame img { box-shadow: var(--shadow); }
.media-frame::after {
  content: "";
  display: block;
  position: relative;
  z-index: -1;
}
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 72px;
}
.value-card {
  background: var(--cream);
  border-top: 3px solid var(--gold-500);
  padding: 32px 28px;
  transition: transform .3s ease, box-shadow .3s;
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.value-card h3 {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--navy-900);
  margin-bottom: 12px;
}
.value-card p { font-size: 15px; color: var(--muted); }

.org-tree {
  background: var(--navy-900);
  border-radius: var(--radius);
  padding: 44px 32px;
  color: var(--white);
  text-align: center;
}
.org-top {
  display: inline-block;
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: .18em;
  padding: 12px 40px;
  border: 1px solid var(--gold-400);
  color: var(--gold-300);
}
.org-line { width: 1px; height: 34px; background: var(--gold-500); margin: 0 auto; }
.org-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  max-width: 980px;
  margin: 0 auto;
}
.org-node {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.16);
  padding: 20px 10px;
  font-size: 15px;
  line-height: 1.6;
  transition: border-color .3s, background .3s;
}
.org-node:hover { border-color: var(--gold-400); background: rgba(255,255,255,.1); }
.org-node small { display: block; font-size: 12px; color: rgba(255,255,255,.6); margin-top: 4px; }

/* ---------------- 主营业务 ---------------- */

.biz-detail-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 44px;
}
.biz-nav-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  text-align: left;
  color: var(--navy-900);
  transition: all .3s ease;
}
.biz-nav-item:hover, .biz-nav-item.active {
  background: var(--navy-900);
  color: var(--white);
  border-color: var(--navy-900);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.biz-nav-icon { color: var(--gold-500); margin-bottom: 10px; }
.biz-nav-item strong { font-family: var(--serif); font-size: 19px; }
.biz-nav-item small { font-size: 11.5px; letter-spacing: .22em; color: var(--muted); text-transform: uppercase; }
.biz-nav-item:hover small, .biz-nav-item.active small { color: var(--gold-300); }

.biz-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* 业务详情 */
.biz-detail-hero {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 48px;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  color: var(--white);
}
.biz-detail-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.biz-detail-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,18,34,.94), rgba(7,18,34,.25) 60%);
}
.biz-detail-hero .bdh-content { position: relative; z-index: 1; padding: 48px 44px; }
.biz-detail-hero h2 {
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 700;
  margin-bottom: 10px;
}
.biz-detail-hero p { color: rgba(255,255,255,.8); max-width: 560px; }

.biz-detail-section { margin-bottom: 52px; }
.biz-detail-section h3 {
  font-family: var(--serif);
  font-size: 24px;
  color: var(--navy-900);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.biz-detail-section h3::before {
  content: "";
  width: 8px; height: 22px;
  background: var(--gold-500);
  display: inline-block;
}
.biz-detail-section p { color: var(--muted); margin-bottom: 14px; }

.biz-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.biz-feature {
  background: var(--cream);
  padding: 28px 26px;
  border-left: 3px solid var(--gold-500);
}
.biz-feature h4 { font-family: var(--serif); font-size: 18px; color: var(--navy-900); margin-bottom: 10px; }
.biz-feature p { font-size: 14.5px; color: var(--muted); }

/* ---------------- 企业实力 ---------------- */

.strength-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 72px;
}
.strength-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  position: relative;
  transition: box-shadow .3s, transform .3s;
}
.strength-card:hover { box-shadow: var(--shadow); transform: translateY(-6px); }
.strength-num {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 900;
  color: var(--cream-deep);
  line-height: 1;
  margin-bottom: 14px;
  transition: color .3s;
}
.strength-card:hover .strength-num { color: var(--gold-400); }
.strength-card h3 { font-family: var(--serif); font-size: 20px; color: var(--navy-900); margin-bottom: 12px; }
.strength-card p { font-size: 14.5px; color: var(--muted); }

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
}
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.project-card:hover img { transform: scale(1.07); }
.project-card figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 46px 22px 20px;
  background: linear-gradient(to top, rgba(7,18,34,.94), transparent);
  color: var(--white);
}
.project-card h3 { font-family: var(--serif); font-size: 19px; margin-bottom: 4px; }
.project-card p { font-size: 13px; color: rgba(255,255,255,.75); }

/* ---------------- 新闻 ---------------- */

.news-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.news-list-item {
  display: flex;
  gap: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  transition: box-shadow .3s, transform .3s;
}
.news-list-item:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.news-list-media { flex: 0 0 220px; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 2px; }
.news-list-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-list-item:hover .news-list-media img { transform: scale(1.05); }
.news-list-body { flex: 1; min-width: 0; }
.news-list-body .news-date { margin-bottom: 8px; }
.news-list-body h3 {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--navy-900);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-list-body p {
  font-size: 14.5px;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.news-list-body .link-more { font-size: 13.5px; }

/* 新闻详情 */
.news-detail { max-width: 860px; margin: 0 auto; }
.news-detail-head { margin-bottom: 36px; padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.news-detail-head h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 700;
  color: var(--navy-900);
  line-height: 1.4;
  margin-bottom: 14px;
}
.news-detail-head .news-meta { font-size: 14px; color: var(--muted); display: flex; gap: 22px; flex-wrap: wrap; }
.news-detail-head .news-meta span::before { content: ""; }
.news-detail-cover { margin-bottom: 32px; border-radius: var(--radius); overflow: hidden; }
.news-detail-cover img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; }
.news-detail-body { font-size: 16.5px; color: #3A4757; }
.news-detail-body p { margin-bottom: 20px; text-indent: 2em; line-height: 2.05; }
.news-detail-body h3 {
  font-family: var(--serif);
  font-size: 21px;
  color: var(--navy-900);
  margin: 28px 0 14px;
  text-indent: 0;
}
.news-back { margin-top: 44px; }

/* ---------------- 企业文化 ---------------- */

.value-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 72px;
}
.value-band-item {
  background: var(--white);
  padding: 30px 26px;
  text-align: center;
}
.value-band-item strong {
  display: block;
  font-family: var(--serif);
  font-size: 26px;
  color: var(--gold-600);
  letter-spacing: .2em;
  margin-bottom: 12px;
}
.value-band-item span { font-size: 14px; color: var(--muted); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.csr-card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 32px 28px;
  border-bottom: 3px solid var(--gold-500);
  transition: transform .3s, box-shadow .3s;
}
.csr-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.csr-card h3 { font-family: var(--serif); font-size: 20px; color: var(--navy-900); margin-bottom: 12px; }
.csr-card p { font-size: 14.5px; color: var(--muted); }

/* ---------------- 发展历程 ---------------- */

.timeline {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 46px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 10px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--gold-400), var(--navy-700));
}
.timeline-item {
  position: relative;
  padding-bottom: 46px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -46px; top: 6px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--navy-900);
  border: 4px solid var(--gold-400);
  box-sizing: border-box;
}
.timeline-year {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 900;
  color: var(--gold-500);
  line-height: 1.2;
  margin-bottom: 8px;
}
.timeline-body h3 {
  font-family: var(--serif);
  font-size: 21px;
  color: var(--navy-900);
  margin-bottom: 8px;
}
.timeline-body p { color: var(--muted); max-width: 640px; }

/* ---------------- 人才招聘 ---------------- */

.job-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 26px; }
.job-item {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: box-shadow .3s, border-color .3s;
}
.job-item:hover { box-shadow: var(--shadow); border-color: var(--gold-500); }
.job-info { flex: 1; }
.job-info h3 { font-family: var(--serif); font-size: 19px; color: var(--navy-900); margin-bottom: 4px; }
.job-info p { font-size: 14px; color: var(--muted); }
.job-tag {
  font-size: 12.5px;
  color: var(--navy-700);
  background: rgba(201,162,39,.12);
  border: 1px solid rgba(201,162,39,.4);
  padding: 4px 12px;
  border-radius: 999px;
  white-space: nowrap;
}
.careers-note {
  font-size: 14px;
  color: var(--muted);
  background: var(--cream);
  border-left: 3px solid var(--gold-500);
  padding: 16px 22px;
}

/* ---------------- 联系我们 ---------------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: start;
}
.contact-cards { display: flex; flex-direction: column; gap: 18px; }
.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px;
  transition: box-shadow .3s, transform .3s;
}
.contact-card:hover { box-shadow: var(--shadow); transform: translateX(6px); }
.contact-icon {
  flex: 0 0 54px;
  width: 54px; height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-900);
  color: var(--gold-400);
  border-radius: var(--radius);
}
.contact-card h3 { font-family: var(--serif); font-size: 17px; color: var(--navy-900); margin-bottom: 2px; }
.contact-card p { font-size: 16px; font-weight: 500; color: var(--ink); }
.contact-card a:hover { color: var(--gold-600); }

.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 36px;
  box-shadow: var(--shadow);
}
.contact-form h3 {
  font-family: var(--serif);
  font-size: 24px;
  color: var(--navy-900);
  margin-bottom: 26px;
}
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--navy-800);
  margin-bottom: 8px;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--cream);
  color: var(--ink);
  transition: border-color .25s, background .25s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--gold-500);
  background: var(--white);
}
.form-tip { font-size: 13px; color: var(--muted); margin-top: 14px; }
.form-tip.success { color: var(--gold-600); font-weight: 500; }

/* ---------------- 页脚 ---------------- */

.site-footer {
  background: var(--navy-950);
  color: rgba(255,255,255,.72);
  padding-top: 68px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.brand-footer { margin-bottom: 18px; }
.footer-brand p { font-size: 14.5px; line-height: 1.9; margin-bottom: 14px; }
.footer-slogan {
  color: var(--gold-300);
  letter-spacing: .18em;
  font-size: 13px !important;
}
.footer-col h4 {
  color: var(--white);
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: .14em;
  margin-bottom: 18px;
}
.footer-col a, .footer-col p {
  display: block;
  font-size: 14.5px;
  margin-bottom: 10px;
  color: rgba(255,255,255,.68);
  transition: color .25s;
}
.footer-col a:hover { color: var(--gold-300); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}

/* ---------------- 返回顶部 ---------------- */

.back-top {
  position: fixed;
  right: 26px; bottom: 30px;
  width: 48px; height: 48px;
  border-radius: var(--radius);
  background: var(--navy-900);
  color: var(--gold-300);
  border: 1px solid rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: all .3s ease;
  z-index: 90;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--navy-800); }

/* ---------------- 滚动显现动画 ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-media { animation: none; }
  .hero-scroll { animation: none; }
}

/* ---------------- 响应式 ---------------- */

@media (max-width: 1080px) {
  .biz-grid, .biz-cards { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .stat-item:nth-child(3) { border-right: 0; }
  .news-home-grid { grid-template-columns: repeat(2, 1fr); }
  .strength-grid, .project-grid, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(7,18,34,.98);
    border-bottom: 1px solid rgba(255,255,255,.1);
    padding: 12px 6vw 22px;
    transform: translateY(-120%);
    transition: transform .32s ease;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .main-nav.open { transform: translateY(0); }
  .nav-link { padding: 14px 8px; border-bottom: 1px solid rgba(255,255,255,.06); }
  .nav-link::after { display: none; }
  .nav-toggle { display: flex; }
  .header-contact { display: none; }

  .grid-2 { grid-template-columns: 1fr; gap: 44px; }
  .about-values { grid-template-columns: 1fr; }
  .org-row { grid-template-columns: repeat(2, 1fr); }
  .biz-detail-nav { grid-template-columns: repeat(2, 1fr); }
  .news-list { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .value-band { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 68px 0; }
  .hero-inner { padding-top: calc(var(--header-h) + 50px); }
  .hero-stats li { border-right: 0; padding: 0 0 20px; flex-basis: 50%; }
  .hero-stats li + li { padding-left: 0; }
}

@media (max-width: 600px) {
  .biz-grid, .biz-cards, .news-home-grid, .strength-grid, .project-grid, .grid-3 {
    grid-template-columns: 1fr;
  }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3) { border-right: 1px solid rgba(255,255,255,.14); }
  .news-list-item { flex-direction: column; }
  .news-list-media { flex: none; width: 100%; }
  .biz-detail-nav { grid-template-columns: 1fr; }
  .value-band { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom .container { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .intro-badge { left: 12px; bottom: 12px; }
  .contact-form { padding: 28px 22px; }
  .job-item { flex-wrap: wrap; }
}