:root {
  --navy: #0b2545;
  --navy-2: #13315c;
  --gold: #c9a45c;
  --gold-2: #e0c48c;
  --ink: #1f2937;
  --muted: #6b7280;
  --bg: #ffffff;
  --bg-alt: #f5f6f8;
  --line: #e5e7eb;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s, box-shadow .3s;
}
.header.scrolled, .header.solid { background: rgba(11, 37, 69, .96); box-shadow: 0 2px 16px rgba(0,0,0,.15); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 12px; color: #fff; }
.logo-mark {
  width: 42px; height: 42px; display: grid; place-items: center;
  border: 2px solid var(--gold); color: var(--gold);
  font-size: 22px; font-weight: 700; border-radius: 4px;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-size: 20px; letter-spacing: 4px; }
.logo-text small { font-size: 11px; letter-spacing: 3px; color: var(--gold-2); }
.nav { display: flex; gap: 28px; }
.nav a { color: rgba(255,255,255,.88); font-size: 15px; position: relative; padding: 6px 0; }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--gold); transition: width .3s;
}
.nav a:hover, .nav a.active { color: #fff; }
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; transition: .3s; }

/* Hero */
.hero {
  position: relative; min-height: clamp(640px, 100vh, 920px); color: #fff;
  display: flex; flex-direction: column; justify-content: center;
  background: linear-gradient(135deg, #071a33 0%, var(--navy) 45%, var(--navy-2) 100%);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(201,164,92,.22), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(201,164,92,.12), transparent 40%),
    repeating-linear-gradient(115deg, rgba(255,255,255,.025) 0 2px, transparent 2px 80px);
}
.hero-content { position: relative; padding-top: 100px; }
.hero-eyebrow { color: var(--gold); letter-spacing: 6px; font-size: 14px; margin-bottom: 18px; }
.hero h1 { font-size: clamp(32px, 6vw, 64px); font-weight: 600; letter-spacing: 6px; line-height: 1.3; }
.hero-sub { margin-top: 22px; font-size: clamp(15px, 2vw, 19px); color: rgba(255,255,255,.78); max-width: 640px; }
.hero-actions { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 32px; border-radius: 2px; font-size: 15px; transition: .3s; }
.btn-gold { background: var(--gold); color: var(--navy); font-weight: 600; }
.btn-gold:hover { background: var(--gold-2); }
.btn-ghost { border: 1px solid rgba(255,255,255,.5); color: #fff; }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.hero-stats {
  position: relative; margin-top: 80px; padding-bottom: 50px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero-stats div { padding: 26px 10px 0; text-align: center; }
.hero-stats strong { display: block; font-size: 30px; color: var(--gold); font-weight: 600; }
.hero-stats span { font-size: 14px; color: rgba(255,255,255,.65); }

/* Section */
.section { padding: 100px 0; }
.section-title { text-align: center; margin-bottom: 56px; }
.section-title span { color: var(--gold); letter-spacing: 4px; font-size: 13px; font-weight: 600; }
.section-title h2 { font-size: 34px; color: var(--navy); margin-top: 6px; letter-spacing: 2px; }
.section-title h2::after {
  content: ""; display: block; width: 48px; height: 3px; background: var(--gold); margin: 16px auto 0;
}
.section-title p { color: var(--muted); margin-top: 14px; }
.section-title.left { text-align: left; }
.section-title.left h2::after { margin-left: 0; }
.section-title.light h2 { color: #fff; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px; align-items: center; }
.about-text p { color: #4b5563; margin-bottom: 16px; text-indent: 2em; text-align: justify; }
.about-values { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.value {
  padding: 28px 22px; background: var(--bg-alt); border-top: 3px solid var(--gold);
  transition: transform .3s, box-shadow .3s;
}
.value:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(11,37,69,.1); }
.value b { font-size: 24px; color: var(--navy); }
.value span { display: block; font-size: 12px; color: var(--gold); letter-spacing: 2px; text-transform: uppercase; }
.value p { margin-top: 10px; font-size: 14px; color: var(--muted); }

/* Business */
.business { background: var(--bg-alt); }
.biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.biz-card {
  background: #fff; padding: 38px 28px; border: 1px solid var(--line);
  transition: .3s; position: relative; overflow: hidden;
}
.biz-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0; background: var(--gold); transition: width .4s;
}
.biz-card:hover { background: var(--navy); border-color: var(--navy); transform: translateY(-6px); box-shadow: 0 18px 40px rgba(11,37,69,.25); }
.biz-card:hover::before { width: 100%; }
.biz-card svg {
  width: 44px; height: 44px; fill: none; stroke: var(--gold); stroke-width: 1.5;
  stroke-linecap: round; stroke-linejoin: round;
}
.biz-card h3 { font-size: 20px; color: var(--navy); margin: 18px 0 8px; transition: color .3s; }
.biz-card p { font-size: 14px; color: var(--muted); transition: color .3s; }
.biz-card:hover h3 { color: #fff; }
.biz-card:hover p { color: rgba(255,255,255,.7); }

/* Investor */
.investor { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%); color: rgba(255,255,255,.8); }
.investor-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.investor-list { list-style: none; }
.investor-list li { display: flex; gap: 22px; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.investor-list b { font-size: 30px; color: var(--gold); font-weight: 300; line-height: 1.2; }
.investor-list h4 { color: #fff; font-size: 18px; }
.investor-list p { font-size: 14px; }

/* News */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card { padding: 32px; border: 1px solid var(--line); transition: .3s; }
.news-card:hover { border-color: var(--gold); box-shadow: 0 12px 30px rgba(11,37,69,.08); }
.news-card time { color: var(--gold); font-size: 14px; font-weight: 600; }
.news-card h3 { font-size: 18px; color: var(--navy); margin: 10px 0; }
.news-card p { font-size: 14px; color: var(--muted); }

/* Contact */
.contact { background: var(--bg-alt); }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.contact-card { background: #fff; padding: 40px 28px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.contact-card svg {
  width: 40px; height: 40px; fill: none; stroke: var(--gold); stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round; margin-bottom: 8px;
}
.contact-card h4 { color: var(--navy); font-size: 18px; }
.contact-card a, .contact-card span { font-size: 17px; color: var(--ink); word-break: break-all; }
.contact-card a:hover { color: var(--gold); }
.contact-card small { color: var(--muted); font-size: 13px; }

/* Footer */
.footer { background: #071a33; color: rgba(255,255,255,.6); font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.6fr; gap: 32px; padding-top: 56px; padding-bottom: 44px; }
.footer-col h5 { color: #fff; font-size: 16px; margin-bottom: 14px; font-weight: 600; }
.footer-col > a { display: block; padding: 3px 0; }
.footer-col p { margin-bottom: 6px; }
.footer-col a:hover { color: var(--gold); }
.footer-brand strong { color: #fff; font-size: 24px; letter-spacing: 4px; display: block; margin-bottom: 8px; }
.footer-slogan { color: var(--gold); letter-spacing: 2px; margin-top: 10px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; }
.footer-bottom .container { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; text-align: center; }
.footer-bottom a:hover { color: var(--gold); }

/* Shared helpers */
.bg-alt { background: var(--bg-alt); }
.container.narrow { max-width: 960px; }
.link-more { color: var(--gold); font-weight: 600; display: inline-block; margin-top: 8px; }
.link-more:hover { color: var(--navy); }
.btn-outline { border: 1px solid var(--navy); color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.center-more { text-align: center; margin-top: 48px; }
a.biz-card, a.news-card { display: block; }
.news-meta { display: flex; justify-content: space-between; align-items: center; }
.news-meta em, .news-text em { font-style: normal; font-size: 12px; color: var(--muted); background: var(--bg-alt); padding: 2px 10px; border-radius: 20px; }
.news-card .more { display: inline-block; margin-top: 14px; font-size: 14px; color: var(--gold); }

/* CTA */
.cta { background: linear-gradient(90deg, var(--gold) 0%, var(--gold-2) 100%); padding: 56px 0; }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.cta h3 { color: var(--navy); font-size: 26px; }
.cta p { color: rgba(11,37,69,.75); }
.cta .btn-gold { background: var(--navy); color: #fff; }
.cta .btn-gold:hover { background: var(--navy-2); }

/* Page banner */
.page-banner {
  position: relative; color: #fff; padding: 160px 0 70px; overflow: hidden;
  background: linear-gradient(135deg, #071a33 0%, var(--navy) 50%, var(--navy-2) 100%);
}
.page-banner .container { position: relative; }
.page-banner h1 { font-size: clamp(30px, 5vw, 46px); letter-spacing: 4px; font-weight: 600; }
.breadcrumb { margin-top: 16px; font-size: 14px; color: rgba(255,255,255,.6); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb i { font-style: normal; margin: 0 6px; opacity: .5; }
.breadcrumb span { color: #fff; }

/* Sub nav */
.subnav { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 76px; z-index: 50; }
.subnav .container { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; }
.subnav .container::-webkit-scrollbar { display: none; }
.subnav a { flex: none; padding: 16px 18px; font-size: 15px; color: var(--muted); border-bottom: 2px solid transparent; }
.subnav a:hover { color: var(--navy); border-bottom-color: var(--gold); }
section[id], .biz-detail { scroll-margin-top: 140px; }

/* Profile card */
.profile-card { background: var(--navy); color: #fff; padding: 36px 32px; border-top: 4px solid var(--gold); }
.profile-row { display: grid; grid-template-columns: 90px 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.profile-row:last-child { border-bottom: 0; }
.profile-row span { color: var(--gold-2); font-size: 14px; }
.profile-row b { font-weight: 500; }

/* Culture cards */
.culture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.culture-card { background: #fff; border: 1px solid var(--line); padding: 36px 26px; text-align: center; transition: .3s; }
.culture-card:hover { border-color: var(--gold); transform: translateY(-4px); box-shadow: 0 12px 30px rgba(11,37,69,.08); }
.culture-card svg, .biz-visual svg {
  width: 46px; height: 46px; fill: none; stroke: var(--gold); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.culture-card h3 { color: var(--navy); font-size: 19px; margin: 14px 0 8px; }
.culture-card p { color: var(--muted); font-size: 14px; }
.values-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 24px; }
.values-row .value { background: #fff; }

/* Timeline */
.timeline { position: relative; max-width: 860px; margin: 0 auto; }
.timeline::before { content: ""; position: absolute; left: 120px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { display: grid; grid-template-columns: 120px 1fr; padding-bottom: 36px; position: relative; }
.tl-item::before {
  content: ""; position: absolute; left: 114px; top: 8px; width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3px solid var(--gold);
}
.tl-year { font-size: 26px; font-weight: 700; color: var(--gold); padding-right: 30px; line-height: 1.2; }
.tl-body { padding-left: 36px; }
.tl-body h4 { color: var(--navy); font-size: 18px; }
.tl-body p { color: var(--muted); font-size: 15px; }

/* Org chart */
.org { text-align: center; }
.org-top, .org-mid { display: inline-block; padding: 14px 40px; background: var(--navy); color: #fff; font-weight: 600; }
.org-mid { background: var(--navy-2); }
.org-line { width: 2px; height: 32px; background: var(--gold); margin: 0 auto; }
.org-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; border-top: 2px solid var(--gold); padding-top: 28px; }
.org-row div { background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--gold); padding: 18px 8px; color: var(--navy); font-weight: 500; }

/* Business details */
.biz-details { display: flex; flex-direction: column; gap: 40px; }
.biz-detail { display: grid; grid-template-columns: 380px 1fr; gap: 48px; align-items: center; padding: 36px; border: 1px solid var(--line); }
.biz-detail.reverse { grid-template-columns: 1fr 380px; }
.biz-detail.reverse .biz-visual { order: 2; }
.biz-visual {
  position: relative; height: 240px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%); overflow: hidden;
}
.biz-visual svg { width: 72px; height: 72px; position: relative; }
.biz-visual span { color: rgba(255,255,255,.6); letter-spacing: 3px; font-size: 12px; position: relative; }
.biz-visual b { position: absolute; right: 16px; bottom: -14px; font-size: 96px; color: rgba(255,255,255,.06); font-weight: 800; }
.biz-en { color: var(--gold); letter-spacing: 3px; font-size: 12px; font-weight: 600; }
.biz-info h3 { font-size: 28px; color: var(--navy); margin: 4px 0 12px; }
.biz-info p { color: #4b5563; text-align: justify; }
.check-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; margin-top: 18px; }
.check-list li { position: relative; padding-left: 26px; color: var(--ink); font-size: 15px; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--gold) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='4'%3E%3Cpath d='m5 12 5 5 9-9'/%3E%3C/svg%3E") center/10px no-repeat;
}
.check-list.big { grid-template-columns: 1fr; gap: 0; margin: 0; }
.check-list.big li { padding: 16px 0 16px 30px; border-bottom: 1px solid var(--line); font-size: 16px; }
.check-list.big li::before { top: 22px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.step { background: #fff; padding: 28px 20px; border-bottom: 3px solid var(--gold); }
.step b { font-size: 34px; color: var(--gold); font-weight: 300; line-height: 1; }
.step h4 { color: var(--navy); font-size: 17px; margin: 12px 0 6px; }
.step p { color: var(--muted); font-size: 13px; }
.ir-icon { width: 30px; height: 30px; fill: none; stroke: var(--gold); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.investor-list a:hover { color: var(--gold); }

/* News list */
.news-list { display: flex; flex-direction: column; }
.news-row { display: grid; grid-template-columns: 90px 1fr 40px; gap: 28px; align-items: center; padding: 28px 0; border-bottom: 1px solid var(--line); }
.news-row:first-child { border-top: 1px solid var(--line); }
.news-date { text-align: center; border-right: 1px solid var(--line); padding-right: 20px; }
.news-date b { display: block; font-size: 34px; color: var(--navy); line-height: 1.1; }
.news-date span { font-size: 13px; color: var(--muted); }
.news-text h3 { font-size: 19px; color: var(--navy); margin: 6px 0; transition: color .3s; }
.news-text p { color: var(--muted); font-size: 14px; }
.news-arrow { font-size: 22px; color: var(--line); transition: .3s; }
.news-row:hover h3 { color: var(--gold); }
.news-row:hover .news-arrow { color: var(--gold); transform: translateX(6px); }

/* Article */
.article h1 { font-size: 30px; color: var(--navy); text-align: center; line-height: 1.4; }
.article-meta { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; color: var(--muted); font-size: 14px; padding: 18px 0; margin: 18px 0 32px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.article p { font-size: 16px; color: #374151; text-indent: 2em; margin-bottom: 20px; line-height: 2; text-align: justify; }
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; }
.article-nav > a, .article-nav > .none { padding: 18px 22px; background: var(--bg-alt); font-size: 15px; color: var(--navy); }
.article-nav > a:hover { background: var(--navy); color: #fff; }
.article-nav > * > span { display: block; font-size: 12px; color: var(--gold); margin-bottom: 4px; }
.article-nav > .none { color: var(--muted); }

/* Jobs */
.jobs { display: flex; flex-direction: column; gap: 16px; }
.job { background: #fff; border: 1px solid var(--line); }
.job[open] { border-color: var(--gold); }
.job summary { list-style: none; cursor: pointer; padding: 22px 60px 22px 28px; position: relative; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.job summary::-webkit-details-marker { display: none; }
.job summary::after { content: "+"; position: absolute; right: 26px; top: 50%; transform: translateY(-50%); font-size: 26px; color: var(--gold); }
.job[open] summary::after { content: "\2212"; }
.job h3 { color: var(--navy); font-size: 19px; }
.job-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.job-tags span { font-size: 12px; padding: 2px 10px; background: var(--bg-alt); color: var(--muted); border-radius: 20px; }
.job-body { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 20px 28px 26px; border-top: 1px dashed var(--line); }
.job-body h4 { color: var(--navy); margin-bottom: 8px; }
.job-body ol { padding-left: 20px; color: #4b5563; font-size: 15px; }
.apply-box { margin-top: 32px; padding: 24px 28px; background: var(--navy); color: rgba(255,255,255,.85); border-left: 4px solid var(--gold); }
.apply-box a { color: var(--gold); }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s, transform .7s; }
.reveal.show { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 1024px) {
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .investor-inner { grid-template-columns: 1fr; gap: 40px; }
  .nav { gap: 18px; }
  .nav a { font-size: 14px; }
  .culture-grid, .values-row { grid-template-columns: repeat(2, 1fr); }
  .steps, .org-row { grid-template-columns: repeat(3, 1fr); }
  .biz-detail, .biz-detail.reverse { grid-template-columns: 1fr; gap: 28px; }
  .biz-detail.reverse .biz-visual { order: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .header { background: rgba(11, 37, 69, .96); }
  .header-inner { height: 64px; }
  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--navy); max-height: 0; overflow: hidden; transition: max-height .35s;
  }
  .nav.open { max-height: 480px; }
  .nav a { padding: 14px 20px; border-top: 1px solid rgba(255,255,255,.08); }
  .nav a::after { display: none; }
  .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 h1 { letter-spacing: 2px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); margin-top: 50px; }
  .section { padding: 70px 0; }
  .section-title h2 { font-size: 28px; }
  .news-grid, .contact-grid { grid-template-columns: 1fr; }
  .subnav { top: 64px; }
  .page-banner { padding: 120px 0 50px; }
  .biz-detail { padding: 20px; }
  .biz-visual { height: 180px; }
  .check-list { grid-template-columns: 1fr; }
  .timeline::before { left: 7px; }
  .tl-item { grid-template-columns: 1fr; padding-left: 36px; }
  .tl-item::before { left: 0; top: 6px; }
  .tl-year { padding: 0 0 4px; font-size: 22px; }
  .tl-body { padding-left: 0; }
  .news-row { grid-template-columns: 70px 1fr; gap: 18px; }
  .news-date { padding-right: 14px; }
  .news-date b { font-size: 26px; }
  .news-arrow { display: none; }
  .article h1 { font-size: 24px; }
  .article-nav, .job-body { grid-template-columns: 1fr; }
  .cta h3 { font-size: 22px; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 480px) {
  .biz-grid, .about-values, .culture-grid, .values-row { grid-template-columns: 1fr; }
  .steps, .org-row { grid-template-columns: repeat(2, 1fr); }
}