/* roulang page: index */
:root{
  --primary:#0f2b46;
  --primary-dark:#091e30;
  --primary-light:#1b3a5c;
  --accent:#d4a853;
  --accent-dark:#b78d3e;
  --bg:#f5f7fb;
  --surface:#ffffff;
  --text:#1b2a3a;
  --text-weak:#63788b;
  --border:#e3e9f0;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 8px 30px rgba(15,43,70,.08);
  --shadow-hover:0 14px 40px rgba(15,43,70,.14);
  --spacer:80px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:all .25s ease}
img{max-width:100%;display:block}
button,input{font-family:inherit}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
section{padding:var(--spacer) 0}
.bg-soft{background:var(--bg)}
.surface{background:var(--surface)}

/* Dock Navbar */
.dock-navbar{
  position:fixed;top:16px;left:0;right:0;z-index:1030;pointer-events:none;padding:0 16px;
}
.dock-navbar .container{
  max-width:1180px;pointer-events:auto;background:rgba(255,255,255,.85);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.65);border-radius:60px;
  box-shadow:0 10px 40px rgba(15,43,70,.10);padding:8px 12px 8px 22px;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;
}
.dock-navbar .navbar-brand{
  font-size:1.35rem;font-weight:800;color:var(--primary);
  letter-spacing:.5px;display:flex;align-items:center;gap:8px;white-space:nowrap;
}
.dock-navbar .navbar-brand i{color:var(--accent);font-size:1.2rem}
.navbar-toggler{border:none;padding:6px 10px;box-shadow:none!important}
.navbar-toggler:focus{box-shadow:none}
.dock-navbar .navbar-nav{align-items:center;gap:2px}
.dock-navbar .nav-link{
  padding:8px 18px;border-radius:30px;font-weight:500;color:var(--text);
  font-size:.95rem;white-space:nowrap;
}
.dock-navbar .nav-link:hover,.dock-navbar .nav-link.active{
  background:rgba(15,43,70,.06);color:var(--primary);
}
.btn-accent{
  background:var(--accent);color:#fff;border:none;border-radius:30px;
  font-weight:600;padding:.55rem 1.4rem;transition:all .25s ease;
}
.btn-accent:hover,.btn-accent:focus{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(212,168,83,.35)}
.btn-outline-light-custom{
  border:1.5px solid rgba(255,255,255,.8);color:#fff;border-radius:30px;
  padding:.55rem 1.5rem;font-weight:600;background:rgba(255,255,255,.08);transition:all .25s ease;
}
.btn-outline-light-custom:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff}
.btn-primary-custom{
  background:var(--primary);color:#fff;border:none;border-radius:30px;
  font-weight:600;padding:.65rem 1.5rem;transition:all .25s ease;
}
.btn-primary-custom:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 30px rgba(15,43,70,.3)}

/* Hero */
.hero{
  min-height:80vh;display:flex;align-items:center;position:relative;color:#fff;
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(9,30,48,.9) 20%,rgba(15,43,70,.65) 60%,rgba(15,43,70,.25));
}
.hero .container{position:relative;z-index:2;padding-top:120px;padding-bottom:80px}
.hero-badge{
  display:inline-block;background:rgba(212,168,83,.18);border:1px solid rgba(212,168,83,.55);
  color:#f2dfb8;padding:6px 18px;border-radius:40px;font-size:.85rem;font-weight:600;letter-spacing:2px;margin-bottom:22px;
}
.hero h1{
  font-size:3.2rem;font-weight:800;line-height:1.2;margin-bottom:18px;letter-spacing:1px;
}
.hero p.lead{
  font-size:1.15rem;max-width:620px;color:rgba(255,255,255,.85);margin-bottom:32px;
}
.hero .btn{margin-right:12px;margin-bottom:8px}

/* Section Heading */
.section-head{text-align:center;max-width:760px;margin:0 auto 48px}
.section-head .eyebrow{
  display:inline-block;color:var(--accent);font-weight:600;font-size:.85rem;
  letter-spacing:3px;text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:2.2rem;font-weight:800;color:var(--primary);margin-bottom:14px}
.section-head p{color:var(--text-weak);font-size:1rem}

/* Cards */
.card-custom{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;transition:all .3s ease;height:100%;box-shadow:var(--shadow);
}
.card-custom:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.card-custom .card-body{padding:32px}
.card-custom h3{font-size:1.3rem;font-weight:700;color:var(--primary);margin-bottom:10px}
.card-custom p{color:var(--text-weak);font-size:.95rem;line-height:1.8;margin-bottom:0}
.card-icon{
  width:64px;height:64px;border-radius:18px;display:flex;align-items:center;justify-content:center;
  background:rgba(15,43,70,.06);color:var(--primary);font-size:1.7rem;margin-bottom:20px;
}
.img-card{height:220px;background-size:cover;background-position:center;position:relative}
.img-card .overlay-text{
  position:absolute;bottom:0;left:0;right:0;padding:18px 22px;color:#fff;
  background:linear-gradient(transparent,rgba(9,30,48,.85));font-weight:700;font-size:1.05rem;
}

/* Intro */
.intro .about-img{
  width:100%;border-radius:var(--radius-lg);object-fit:cover;box-shadow:var(--shadow-hover);
}
.intro-list{list-style:none;margin-top:22px;padding:0}
.intro-list li{
  display:flex;align-items:center;gap:12px;margin-bottom:12px;font-size:.98rem;color:var(--text);
}
.intro-list li i{color:var(--accent);font-size:1.1rem}
.intro-data{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px;
}
.intro-data .num{font-size:2rem;font-weight:800;color:var(--primary)}
.intro-data .label{font-size:.85rem;color:var(--text-weak)}

/* News List */
.news-list{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:10px 24px;overflow:hidden;
}
.news-item{
  display:flex;align-items:center;gap:20px;padding:20px 8px;border-bottom:1px solid var(--border);
  transition:all .25s ease;
}
.news-item:last-child{border-bottom:none}
.news-item:hover{background:rgba(15,43,70,.025);padding-left:16px}
.news-index{
  font-size:1.2rem;font-weight:800;color:var(--accent);min-width:44px;font-family:"Georgia",serif;
}
.news-body{flex:1;min-width:0}
.news-title{
  display:block;font-weight:700;color:var(--text);font-size:1.02rem;line-height:1.5;margin-bottom:4px;
}
.news-desc{
  display:block;color:var(--text-weak);font-size:.9rem;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;
}
.news-meta{display:flex;flex-direction:column;align-items:flex-end;gap:6px;white-space:nowrap}
.news-cat{
  background:rgba(15,43,70,.06);color:var(--primary);font-size:.78rem;
  padding:3px 12px;border-radius:20px;font-weight:600;
}
.news-date{color:var(--text-weak);font-size:.8rem}

/* Stats */
.stats{
  background:var(--primary);color:#fff;border-radius:0;position:relative;overflow:hidden;
}
.stats::before{
  content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;
  background:rgba(212,168,83,.15);border-radius:50%;
}
.stats .section-head h2{color:#fff}
.stats .section-head p{color:rgba(255,255,255,.7)}
.stats-card{
  text-align:center;padding:28px 16px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);height:100%;
}
.stats-card .num{font-size:2.8rem;font-weight:800;color:var(--accent);line-height:1.2}
.stats-card .label{color:rgba(255,255,255,.85);font-size:.95rem;margin-top:6px}

/* Timeline */
.timeline-list{position:relative;padding-left:0;list-style:none;counter-reset:step}
.timeline-item{
  position:relative;padding-left:70px;padding-bottom:34px;counter-increment:step;
}
.timeline-item:before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;
  background:var(--primary);color:#fff;font-weight:800;font-size:.85rem;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 6px rgba(15,43,70,.08);
}
.timeline-item:not(:last-child):after{
  content:"";position:absolute;left:21px;top:48px;bottom:0;width:2px;background:var(--border);
}
.timeline-item h4{font-size:1.15rem;font-weight:700;color:var(--primary)}
.timeline-item p{color:var(--text-weak);font-size:.92rem;margin-bottom:0}

/* FAQ */
.accordion-custom{max-width:880px;margin:0 auto}
.accordion-custom .accordion-item{
  border:1px solid var(--border);border-radius:18px!important;margin-bottom:16px;
  overflow:hidden;background:var(--surface);box-shadow:none;
}
.accordion-custom .accordion-button{
  font-weight:700;color:var(--text);font-size:1rem;padding:20px 24px;
  background:var(--surface);border:none;box-shadow:none;
}
.accordion-custom .accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-custom .accordion-button:not(.collapsed){
  background:rgba(15,43,70,.04);color:var(--primary);
}
.accordion-custom .accordion-button::after{font-size:.85rem}
.accordion-custom .accordion-body{padding:0 24px 22px;color:var(--text-weak);font-size:.96rem}

/* CTA */
.cta{
  border-radius:0;position:relative;
}
.cta .cta-box{
  background:linear-gradient(120deg,var(--primary),var(--primary-light));
  border-radius:var(--radius-lg);padding:60px;color:#fff;position:relative;overflow:hidden;
}
.cta .cta-box::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:240px;height:240px;
  background:rgba(212,168,83,.25);border-radius:50%;
}
.cta h2{font-size:2rem;font-weight:800;margin-bottom:14px}
.cta p{color:rgba(255,255,255,.8);max-width:560px}

/* Footer */
.site-footer{
  background:#0a1b2b;color:rgba(255,255,255,.7);padding:56px 0 24px;font-size:.92rem;
}
.site-footer .footer-brand{
  color:#fff;font-size:1.4rem;font-weight:800;margin-bottom:14px;display:block;
}
.site-footer a{color:rgba(255,255,255,.7)}
.site-footer a:hover{color:var(--accent)}
.footer-links li{margin-bottom:8px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  color:rgba(255,255,255,.45);font-size:.82rem;
}

/* Responsive */
@media(max-width:991.98px){
  .dock-navbar{padding:0 12px;top:10px}
  .dock-navbar .container{
    border-radius:24px;padding:10px 14px;
  }
  .dock-navbar .navbar-collapse{
    margin-top:10px;border-top:1px solid var(--border);padding-top:8px;
  }
  .dock-navbar .nav-link{text-align:center;padding:12px 18px}
  .dock-navbar .navbar-nav{align-items:stretch}
  .hero{min-height:70vh}
  .hero h1{font-size:2.3rem}
  .news-item{flex-wrap:wrap;gap:10px}
  .news-meta{flex-direction:row;align-items:center;width:100%}
}
@media(max-width:767.98px){
  section{--spacer:58px}
  .hero h1{font-size:1.8rem}
  .section-head h2{font-size:1.6rem}
  .stats-card .num{font-size:2rem}
  .cta .cta-box{padding:32px}
  .nav-item .btn-accent{margin-top:4px}
  .news-item{padding:16px 4px}
  .news-desc{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
}
@media(max-width:520px){
  .intro-data{grid-template-columns:repeat(2,1fr)}
  .timeline-item{padding-left:56px}
}

/* roulang page: category1 */
:root {
  --brand-primary: #0b1c3e;
  --brand-secondary: #1b3261;
  --brand-accent: #c9a227;
  --brand-accent-soft: #e8c85a;
  --bg-light: #f4f7fc;
  --bg-warm: #faf8f2;
  --text-main: #16233a;
  --text-muted: #5b6b83;
  --border-color: #e3e9f2;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(11,28,62,.05);
  --shadow-md: 0 12px 32px rgba(11,28,62,.08);
  --shadow-lg: 0 24px 64px rgba(11,28,62,.12);
  --transition: .25s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  background: #fff;
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.35; }
.container { max-width: 1190px; }

/* ===== Buttons ===== */
.btn-accent {
  background: linear-gradient(135deg, #c9a227, #e8c85a);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: .6rem 1.5rem;
  font-weight: 600;
  box-shadow: 0 8px 22px rgba(201,162,39,.32);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn-accent:hover, .btn-accent:focus {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(201,162,39,.42);
  background: linear-gradient(135deg, #b28e1e, #e0bd48);
}
.btn-outline-accent {
  border: 1.5px solid var(--brand-accent);
  color: var(--brand-accent);
  background: transparent;
  border-radius: 50px;
  padding: .55rem 1.4rem;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-outline-accent:hover {
  background: var(--brand-accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(201,162,39,.3);
}
.btn-white-outline {
  border: 1.5px solid rgba(255,255,255,.75);
  color: #fff;
  background: transparent;
  border-radius: 50px;
  padding: .55rem 1.4rem;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-white-outline:hover {
  background: #fff;
  color: var(--brand-primary);
  transform: translateY(-2px);
}
.btn:focus { outline: 4px solid rgba(201,162,39,.25); box-shadow: none; }

/* ===== Dock Navbar ===== */
.dock-navbar {
  max-width: 1190px;
  margin: 16px auto 0;
  left: 0; right: 0;
  position: sticky;
  top: 14px;
  z-index: 1050;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.65);
  border-radius: 60px;
  box-shadow: 0 10px 36px rgba(11,28,62,.10);
  padding: 8px 28px;
}
.navbar-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand-primary);
  letter-spacing: .02em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar-brand i {
  color: var(--brand-accent);
  font-size: 1.15rem;
  background: linear-gradient(135deg, rgba(201,162,39,.15), rgba(232,200,90,.18));
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}
.navbar .nav-link {
  font-weight: 500;
  color: var(--text-main);
  padding: .55rem 1rem;
  border-radius: 40px;
  position: relative;
  transition: all var(--transition);
}
.navbar .nav-link:hover {
  color: var(--brand-accent);
  background: rgba(201,162,39,.08);
}
.navbar .nav-link.active {
  color: var(--brand-accent);
  font-weight: 600;
  background: rgba(201,162,39,.10);
}
.navbar-toggler {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 4px 10px;
}
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler-icon { width: 1.3em; height: 1.3em; }

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 130px 0 96px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(11,28,62,.86) 0%, rgba(27,50,97,.70) 55%, rgba(11,28,62,.55) 100%),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  right: -120px; top: -120px;
  width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(201,162,39,.25), transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .04em;
  backdrop-filter: blur(8px);
}
.page-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  margin: 18px 0 14px;
  letter-spacing: .02em;
}
.page-hero p {
  font-size: 1.12rem;
  color: rgba(255,255,255,.85);
  max-width: 720px;
  margin-bottom: 20px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.hero-meta .meta-pill {
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.18);
  padding: 5px 14px;
  border-radius: 30px;
  font-size: .82rem;
  color: rgba(255,255,255,.92);
  backdrop-filter: blur(6px);
}
.breadcrumb-custom {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: .88rem;
  color: rgba(255,255,255,.72);
  margin-bottom: 14px;
}
.breadcrumb-custom a { color: rgba(255,255,255,.85); }
.breadcrumb-custom a:hover { color: var(--brand-accent-soft); }
.breadcrumb-custom i { font-size: .7rem; color: rgba(255,255,255,.48); }

/* ===== Section ===== */
.section { padding: 84px 0; }
.section-head { margin-bottom: 44px; max-width: 780px; }
.section-eyebrow {
  display: inline-block;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--brand-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(1.55rem, 3vw, 2.3rem);
  margin-bottom: 14px;
  color: var(--brand-primary);
}
.section-head p {
  color: var(--text-muted);
  font-size: 1rem;
}
.section-sub { color: var(--text-muted); font-size: .98rem; }

/* ===== Intro Section ===== */
.intro-section { background: var(--bg-light); }
.intro-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.intro-copy h3 { font-size: 1.5rem; color: var(--brand-primary); margin-bottom: 16px; }
.intro-copy p { color: var(--text-muted); font-size: .98rem; margin-bottom: 14px; }
.intro-copy .btn { margin-top: 10px; }
.intro-cards { display: grid; gap: 16px; }
.intro-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(255,255,255,.8);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.intro-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.intro-icon {
  width: 46px; height: 46px;
  flex: 0 0 46px;
  background: linear-gradient(135deg, rgba(201,162,39,.14), rgba(232,200,90,.2));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-accent);
  font-size: 1.15rem;
}
.intro-card h4 { font-size: 1.02rem; margin-bottom: 4px; font-weight: 700; }
.intro-card p { font-size: .88rem; color: var(--text-muted); margin: 0; line-height: 1.65; }

/* ===== Stats Bar ===== */
.stats-bar {
  background:
    linear-gradient(135deg, rgba(11,28,62,.92), rgba(27,50,97,.82)),
    url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  padding: 64px 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.stats-bar::before {
  content: '';
  position: absolute;
  left: -80px; bottom: -100px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(201,162,39,.18), transparent 70%);
  pointer-events: none;
}
.stat-item { text-align: center; padding: 18px 10px; }
.stat-number {
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--brand-accent-soft);
  line-height: 1.2;
}
.stat-label { font-size: .92rem; color: rgba(255,255,255,.78); margin-top: 6px; }

/* ===== News Cards ===== */
.news-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  height: 100%;
  border: 1px solid rgba(227,233,242,.7);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.card-img-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-light);
}
.card-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.news-card:hover .card-img-wrap img { transform: scale(1.06); }
.badge-tag {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(11,28,62,.86);
  color: #fff;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .03em;
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.18);
}
.news-card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.date-line { font-size: .82rem; color: var(--text-muted); margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.news-card-body h3 { font-size: 1.08rem; font-weight: 700; color: var(--text-main); margin-bottom: 8px; line-height: 1.45; }
.news-card-body p { font-size: .9rem; color: var(--text-muted); line-height: 1.7; flex: 1; margin-bottom: 12px; }
.card-link {
  color: var(--brand-accent);
  font-weight: 600;
  font-size: .88rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.card-link:hover { gap: 12px; color: var(--brand-primary); }

/* ===== Timeline ===== */
.timeline-section { background: var(--bg-warm); }
.timeline-wrap { display: grid; grid-template-columns: 1.15fr 1fr; gap: 50px; align-items: center; }
.timeline { position: relative; padding-left: 30px; border-left: 2px solid #e4dcc8; }
.timeline-item { position: relative; padding-bottom: 30px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -36px; top: 8px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--brand-accent);
  box-shadow: 0 0 0 4px rgba(201,162,39,.18);
}
.timeline-item .phase { font-size: .82rem; font-weight: 700; color: var(--brand-accent); letter-spacing: .05em; }
.timeline-item h4 { font-size: 1.08rem; margin: 4px 0 6px; color: var(--brand-primary); }
.timeline-item p { font-size: .9rem; color: var(--text-muted); margin: 0; line-height: 1.7; }
.timeline-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 5 / 4;
}
.timeline-image img { width: 100%; height: 100%; object-fit: cover; }
.timeline-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(11,28,62,.55));
  pointer-events: none;
}
.timeline-image .img-caption {
  position: absolute;
  left: 20px; right: 20px; bottom: 18px;
  color: #fff;
  font-size: .9rem;
  font-weight: 500;
  z-index: 2;
  background: rgba(11,28,62,.35);
  backdrop-filter: blur(8px);
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.18);
}

/* ===== Announcement ===== */
.announce-section { background: #fff; }
.announce-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.announce-list { border-top: 1px solid var(--border-color); }
.announce-item {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-color);
  transition: padding var(--transition);
}
.announce-item:hover { padding-left: 8px; }
.announce-item a { font-weight: 600; color: var(--text-main); font-size: .96rem; line-height: 1.5; }
.announce-item a:hover { color: var(--brand-accent); }
.announce-item .date { color: var(--text-muted); font-size: .82rem; white-space: nowrap; padding-top: 3px; }
.media-quote {
  background: var(--bg-light);
  border-left: 4px solid var(--brand-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 22px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.media-quote p { font-size: .94rem; color: var(--text-main); line-height: 1.75; margin-bottom: 8px; }
.media-quote span { font-size: .8rem; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-light); }
.accordion-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md) !important;
  overflow: hidden;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  background: #fff;
}
.accordion-button {
  font-weight: 600;
  color: var(--text-main);
  background: #fff;
  padding: 18px 22px;
  font-size: .98rem;
  border: none;
}
.accordion-button:not(.collapsed) {
  background: #fff;
  color: var(--brand-accent);
  box-shadow: none;
}
.accordion-button:focus { box-shadow: none; border: none; }
.accordion-button::after {
  background-size: 1rem;
  opacity: .7;
}
.accordion-body { color: var(--text-muted); line-height: 1.8; padding: 6px 22px 20px; font-size: .94rem; }

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background:
    linear-gradient(135deg, rgba(11,28,62,.92), rgba(27,50,97,.76)),
    url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  padding: 90px 0;
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  right: 8%; top: -80px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(201,162,39,.3), transparent 70%);
  pointer-events: none;
}
.cta-section h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; margin-bottom: 14px; }
.cta-section p { color: rgba(255,255,255,.82); max-width: 620px; margin: 0 auto 24px; font-size: 1rem; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: var(--brand-primary); color: rgba(255,255,255,.75); padding: 70px 0 0; }
.footer-brand {
  display: inline-flex;
  align-items: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.site-footer p { font-size: .9rem; color: rgba(255,255,255,.65); line-height: 1.8; }
.site-footer h5 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255,255,255,.68);
  font-size: .9rem;
  transition: color var(--transition), padding-left var(--transition);
}
.footer-links a:hover { color: var(--brand-accent-soft); padding-left: 4px; }
.footer-links i { color: var(--brand-accent-soft); width: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 48px;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-size: .84rem;
  color: rgba(255,255,255,.5);
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .dock-navbar {
    margin: 10px 14px;
    border-radius: 24px;
    padding: 10px 18px;
  }
  .navbar-collapse {
    padding: 12px 4px 6px;
  }
  .navbar .nav-link { padding: .5rem .8rem; }
  .page-hero { padding: 110px 0 72px; }
  .section { padding: 64px 0; }
  .intro-grid, .timeline-wrap, .announce-grid { grid-template-columns: 1fr; gap: 36px; }
  .intro-cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
  .page-hero { padding: 96px 0 56px; }
  .section { padding: 52px 0; }
  .stats-bar { padding: 44px 0; }
  .stat-item { padding: 10px 6px; }
  .intro-cards { grid-template-columns: 1fr; }
  .timeline { padding-left: 22px; }
  .timeline-item::before { left: -28px; width: 9px; height: 9px; }
  .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
  .announce-item { flex-direction: column; gap: 6px; }
  .announce-item .date { white-space: normal; }
}
@media (max-width: 575.98px) {
  .dock-navbar { margin: 8px 10px; border-radius: 20px; }
  .navbar-brand { font-size: 1.08rem; }
  .hero-badge { font-size: .78rem; }
  .page-hero h1 { font-size: 1.8rem; }
  .cta-actions .btn { width: 100%; }
}

/* roulang page: article */
:root {
            --primary: #0f2747;
            --primary-deep: #081b30;
            --primary-soft: #eef3f9;
            --accent: #d3a75f;
            --accent-strong: #b8863a;
            --accent-soft: #f8f1e3;
            --bg: #f4f7fb;
            --surface: #ffffff;
            --text: #1c2942;
            --text-weak: #66768c;
            --border: #e3e9f2;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 4px 14px rgba(15, 39, 71, .05);
            --shadow-md: 0 12px 32px rgba(15, 39, 71, .08);
            --shadow-lg: 0 24px 60px rgba(15, 39, 71, .14);
            --transition: all .25s ease;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        .container {
            max-width: 1200px;
        }

        .section-spacing {
            padding: 88px 0;
        }

        .section-spacing-sm {
            padding: 40px 0;
        }

        .reading-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            width: 0;
            z-index: 2000;
            background: linear-gradient(90deg, var(--accent), #f0ce8a);
            transition: width .12s linear;
        }

        /* 导航 */
        .dock-navbar {
            margin-top: 16px;
            position: sticky;
            top: 12px;
            z-index: 1030;
            background: rgba(255, 255, 255, .86);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, .65);
            border-radius: 16px;
            padding: .4rem .7rem;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.28rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: .55rem;
            letter-spacing: .01em;
        }

        .navbar-brand i {
            color: var(--accent-strong);
            font-size: 1.2rem;
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .navbar .nav-link {
            color: var(--text);
            font-weight: 500;
            border-radius: 9px;
            padding: .55rem 1.15rem;
            transition: var(--transition);
            font-size: .95rem;
        }

        .navbar .nav-link:hover {
            color: var(--accent-strong);
            background: rgba(211, 167, 95, .08);
        }

        .navbar .nav-link.active {
            color: var(--accent-strong);
            font-weight: 600;
            background: rgba(211, 167, 95, .10);
        }

        .navbar-toggler {
            border: none;
            outline: none;
            padding: .35rem .5rem;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-toggler-icon {
            width: 1.35em;
            height: 1.35em;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(15,39,71,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* 按钮 */
        .btn-accent {
            background: linear-gradient(135deg, #d3a75f, #b8863a);
            color: #fff;
            border: none;
            border-radius: 10px;
            padding: .55rem 1.35rem;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(184, 134, 58, .3);
            transition: var(--transition);
        }

        .btn-accent:hover,
        .btn-accent:focus {
            transform: translateY(-2px);
            color: #fff;
            box-shadow: 0 10px 24px rgba(184, 134, 58, .42);
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text);
            border-radius: 10px;
            font-weight: 500;
            padding: .55rem 1.35rem;
            transition: var(--transition);
        }

        .btn-ghost:hover {
            border-color: var(--accent);
            color: var(--accent-strong);
            background: var(--accent-soft);
            transform: translateY(-2px);
        }

        /* 文章 Hero */
        .article-hero {
            border-radius: 0 0 32px 32px;
            padding: 88px 0 96px;
            position: relative;
            background: linear-gradient(125deg, rgba(8, 27, 48, .95), rgba(15, 39, 71, .82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .92rem;
            color: rgba(255, 255, 255, .7);
            flex-wrap: wrap;
            margin-bottom: 22px;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, .85);
            transition: var(--transition);
        }

        .breadcrumb-nav a:hover {
            color: var(--accent);
        }

        .breadcrumb-nav i {
            font-size: .7rem;
            color: rgba(255, 255, 255, .45);
        }

        .article-badge {
            background: rgba(211, 167, 95, .18);
            color: #f4d9a8;
            border: 1px solid rgba(211, 167, 95, .35);
            padding: .42rem 1rem;
            border-radius: 999px;
            font-weight: 500;
            letter-spacing: .03em;
            font-size: .85rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .article-hero h1 {
            font-size: clamp(1.8rem, 3.4vw, 2.8rem);
            font-weight: 700;
            line-height: 1.35;
            margin: 20px 0 16px;
            letter-spacing: .01em;
            max-width: 920px;
        }

        .article-summary {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .8);
            max-width: 780px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
            margin-top: 28px;
            font-size: .92rem;
            color: rgba(255, 255, 255, .72);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
        }

        .article-meta span i {
            margin-right: 7px;
            color: var(--accent);
        }

        /* 文章主体 */
        .article-content-section {
            background: var(--bg);
        }

        .article-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 52px 54px;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text);
        }

        .article-body h2 {
            font-size: 1.55rem;
            font-weight: 700;
            margin: 42px 0 18px;
            padding-left: 16px;
            border-left: 4px solid var(--accent);
            border-radius: 0 2px 2px 0;
            color: var(--primary);
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 30px 0 12px;
            color: #14263e;
        }

        .article-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: var(--primary);
        }

        .article-body p {
            margin-bottom: 18px;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.4rem;
            margin-bottom: 18px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body blockquote {
            background: var(--accent-soft);
            border-left: 4px solid var(--accent);
            padding: 20px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: #6b5533;
            margin: 28px 0;
        }

        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-body img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .article-body a {
            color: var(--accent-strong);
            border-bottom: 1px solid rgba(184, 134, 58, .4);
        }

        .article-body a:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 28px;
            margin-top: 40px;
            border-top: 1px solid var(--border);
            align-items: center;
        }

        .article-tags i {
            color: var(--accent-strong);
            font-size: .95rem;
        }

        .tag-badge {
            background: var(--accent-soft);
            color: var(--accent-strong);
            border: 1px solid rgba(211, 167, 95, .25);
            padding: .35rem .9rem;
            border-radius: 999px;
            font-weight: 500;
            font-size: .85rem;
        }

        .article-nav-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 30px;
            padding-top: 26px;
            border-top: 1px solid var(--border);
        }

        /* 侧边栏 */
        .article-sidebar {
            position: sticky;
            top: 104px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .side-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 26px;
        }

        .side-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 10px;
            display: flex;
            align-items: center;
        }

        .side-card h4 i {
            color: var(--accent-strong);
            margin-right: 8px;
        }

        .side-info-list {
            display: grid;
            gap: 12px;
        }

        .side-info-item {
            display: flex;
            justify-content: space-between;
            gap: 10px;
            font-size: .9rem;
        }

        .side-info-item span {
            color: var(--text-weak);
            white-space: nowrap;
        }

        .side-info-item strong {
            color: var(--text);
            font-weight: 600;
            text-align: right;
        }

        .side-category a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: 10px;
            color: var(--text);
            font-weight: 500;
            transition: var(--transition);
            margin-bottom: 8px;
            background: var(--bg);
            font-size: .93rem;
        }

        .side-category a i {
            color: var(--accent-strong);
            font-size: .85rem;
        }

        .side-category a:hover {
            background: var(--accent-soft);
            transform: translateX(4px);
            color: var(--primary);
        }

        .side-card p {
            color: var(--text-weak);
            font-size: .92rem;
            margin-bottom: 16px;
        }

        /* 延伸阅读 */
        .explore-section {
            background: var(--primary-deep);
            color: #fff;
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-kicker {
            display: inline-block;
            background: rgba(211, 167, 95, .15);
            color: var(--accent);
            padding: .25rem 1.1rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: .85rem;
            letter-spacing: .04em;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            font-weight: 700;
            margin: 0;
        }

        .section-head p {
            color: rgba(255, 255, 255, .7);
            max-width: 640px;
            margin: 12px auto 0;
        }

        .explore-card {
            position: relative;
            display: block;
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 300px;
            box-shadow: var(--shadow-md);
        }

        .explore-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .explore-card:hover img {
            transform: scale(1.06);
        }

        .explore-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 27, 48, .05) 0%, rgba(8, 27, 48, .9) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 28px;
            color: #fff;
        }

        .explore-overlay h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }

        .explore-overlay p {
            color: rgba(255, 255, 255, .8);
            font-size: .9rem;
            margin-bottom: 16px;
        }

        /* CTA */
        .cta-box {
            background: linear-gradient(120deg, rgba(10, 30, 55, .94), rgba(20, 52, 90, .86)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-box h2 {
            font-size: clamp(1.6rem, 2.5vw, 2.2rem);
            font-weight: 700;
            margin: 0;
        }

        .cta-box p {
            color: rgba(255, 255, 255, .78);
            margin: 14px auto 32px;
            max-width: 560px;
            font-size: 1rem;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-actions .btn {
            min-width: 160px;
        }

        .btn-light-custom {
            background: #fff;
            color: var(--primary);
            border: none;
            border-radius: 10px;
            font-weight: 600;
            padding: .65rem 1.5rem;
            transition: var(--transition);
        }

        .btn-light-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, .18);
            color: var(--primary);
        }

        /* 内容未找到 */
        .not-found-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 72px 40px;
            max-width: 680px;
            margin: 0 auto;
        }

        .not-found-card i {
            color: var(--accent);
            opacity: .55;
        }

        .not-found-card h2 {
            font-weight: 700;
            color: var(--primary);
            margin-top: 1rem;
        }

        .not-found-card p {
            color: var(--text-weak);
            margin: 12px 0 24px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, .75);
            padding: 72px 0 28px;
            margin-top: 0;
        }

        .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            display: inline-flex;
            align-items: center;
        }

        .site-footer p {
            font-size: .92rem;
            color: rgba(255, 255, 255, .65);
            margin-top: 14px;
            max-width: 360px;
        }

        .site-footer h5 {
            font-size: 1rem;
            font-weight: 600;
        }

        .footer-links li {
            margin-bottom: 10px;
            font-size: .92rem;
            display: flex;
            align-items: center;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .7);
            transition: var(--transition);
            font-size: .92rem;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-links i {
            color: var(--accent);
            width: 18px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 50px;
            padding-top: 26px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: .85rem;
            color: rgba(255, 255, 255, .5);
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .dock-navbar {
                margin-top: 10px;
            }

            .article-sidebar {
                position: static;
                margin-top: 30px;
            }

            .article-card {
                padding: 36px 30px;
            }

            .section-spacing {
                padding: 64px 0;
            }

            .explore-card {
                height: 240px;
            }

            .site-footer {
                padding: 56px 0 24px;
            }
        }

        @media (max-width: 767.98px) {
            .dock-navbar {
                margin-top: 8px;
                border-radius: 12px;
            }

            .article-hero {
                padding: 64px 0 72px;
                border-radius: 0 0 20px 20px;
            }

            .article-card {
                padding: 28px 22px;
            }

            .cta-box {
                padding: 48px 24px;
            }

            .footer-bottom {
                justify-content: center;
                text-align: center;
            }

            .section-spacing {
                padding: 48px 0;
            }
        }

        @media (max-width: 575.98px) {
            .article-meta {
                gap: 12px;
                flex-direction: column;
                align-items: flex-start;
            }

            .article-nav-bar {
                flex-direction: column;
            }

            .article-nav-bar .btn {
                width: 100%;
            }

            .cta-actions .btn {
                width: 100%;
                min-width: 0;
            }

            .explore-card {
                height: 220px;
            }

            .section-head {
                margin-bottom: 32px;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --primary: #0b1f3a;
  --primary-light: #16324f;
  --primary-deep: #071426;
  --accent: #c9a86a;
  --accent-hover: #d9bc80;
  --accent-soft: rgba(201, 168, 106, 0.12);
  --bg-light: #f6f8fb;
  --bg-white: #ffffff;
  --text-dark: #16233a;
  --text-body: #4a5468;
  --text-muted: #8a94a6;
  --border-color: #e5e9f0;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 12px rgba(11, 31, 58, 0.06);
  --shadow-md: 0 8px 30px rgba(11, 31, 58, 0.08);
  --shadow-lg: 0 20px 50px rgba(11, 31, 58, 0.12);
  --transition: all 0.3s ease;
}

/* ========== 基础 Reset ========== */
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button,
input,
textarea {
  font-family: inherit;
}
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ========== 容器与通用 ========== */
.container {
  max-width: 1200px;
}
.section-padding {
  padding: 96px 0;
}
.section-title-wrap {
  margin-bottom: 48px;
}
.section-title-wrap .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.2px;
  padding: 6px 16px;
  border-radius: 40px;
  margin-bottom: 14px;
}
.section-title-wrap .section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
  margin: 0 0 12px;
}
.section-title-wrap .section-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0;
}

/* ========== 浮动 Dock 导航 ========== */
.dock-navbar {
  position: sticky;
  top: 14px;
  z-index: 1000;
  padding: 0;
  margin-top: 12px;
}
.dock-navbar .container {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 60px;
  padding: 12px 28px;
  box-shadow: var(--shadow-md);
}
.dock-navbar .navbar-brand {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.dock-navbar .navbar-brand i {
  color: var(--accent);
  font-size: 22px;
}
.dock-navbar .navbar-toggler {
  border: none;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}
.dock-navbar .navbar-toggler:focus {
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.dock-navbar .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  padding: 8px 18px !important;
  border-radius: 40px;
  letter-spacing: 0.3px;
}
.dock-navbar .nav-link:hover {
  color: var(--primary);
  background: var(--accent-soft);
}
.dock-navbar .nav-link.active {
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 600;
}
.btn-accent {
  background: var(--accent);
  border: none;
  color: var(--primary-deep);
  font-weight: 600;
  font-size: 14px;
  padding: 9px 24px;
  border-radius: 40px;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-accent:hover {
  background: var(--accent-hover);
  color: var(--primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(201, 168, 106, 0.35);
}
.btn-accent:focus {
  outline: none;
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.btn-outline-light-custom {
  background: rgba(255, 255, 255, 0.15);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  font-weight: 500;
  font-size: 15px;
  padding: 10px 28px;
  border-radius: 40px;
  transition: var(--transition);
}
.btn-outline-light-custom:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

/* ========== 页面 Hero ========== */
.page-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 140px 0 110px;
  overflow: hidden;
}
.page-hero .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(7, 20, 38, 0.92) 0%, rgba(11, 31, 58, 0.78) 48%, rgba(11, 31, 58, 0.45) 100%);
}
.page-hero .hero-content {
  position: relative;
  z-index: 2;
}
.page-hero .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 168, 106, 0.18);
  border: 1px solid rgba(201, 168, 106, 0.4);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.2px;
  padding: 6px 16px;
  border-radius: 40px;
  margin-bottom: 22px;
}
.page-hero h1 {
  font-size: 48px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
}
.page-hero h1 span {
  color: var(--accent);
}
.page-hero .lead-text {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 600px;
  margin-bottom: 32px;
}

/* ========== 业务服务概览 ========== */
.overview-section {
  background: var(--bg-white);
  position: relative;
}
.overview-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}
.overview-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.overview-media img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}
.overview-media .media-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
}
.overview-media .media-badge i {
  color: var(--accent);
  font-size: 24px;
}
.overview-media .media-badge strong {
  color: var(--text-dark);
  font-size: 16px;
  display: block;
  line-height: 1.3;
}
.overview-media .media-badge span {
  color: var(--text-muted);
  font-size: 13px;
}
.overview-content h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.35;
  margin-bottom: 18px;
}
.overview-content .sub-caption {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}
.overview-content p {
  font-size: 15px;
  color: var(--text-body);
  margin-bottom: 24px;
}
.feature-check-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.feature-check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-body);
  background: var(--bg-light);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
}
.feature-check-list li i {
  color: var(--accent);
  font-size: 14px;
}

/* ========== 服务领域卡片 ========== */
.services-section {
  background: var(--bg-light);
}
.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(201, 168, 106, 0.35);
}
.service-card .card-media {
  position: relative;
  overflow: hidden;
  height: 190px;
}
.service-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.service-card:hover .card-media img {
  transform: scale(1.06);
}
.service-card .card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 31, 58, 0.25), transparent 60%);
}
.service-card .icon-box {
  position: absolute;
  bottom: -24px;
  left: 24px;
  width: 52px;
  height: 52px;
  background: var(--accent);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary-deep);
  box-shadow: 0 6px 18px rgba(201, 168, 106, 0.4);
  z-index: 2;
}
.service-card .card-body {
  padding: 34px 24px 26px;
}
.service-card .card-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.service-card .card-body p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.service-card .card-body .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.service-card .card-body .tag-row .tag-item {
  font-size: 12px;
  color: var(--primary-light);
  background: var(--accent-soft);
  padding: 3px 10px;
  border-radius: 30px;
}

/* ========== 服务流程 ========== */
.process-section {
  background: var(--primary);
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -80px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(201, 168, 106, 0.08);
}
.process-section .section-title {
  color: #fff;
}
.process-section .section-desc {
  color: rgba(255, 255, 255, 0.7);
}
.process-section .section-tag {
  background: rgba(201, 168, 106, 0.18);
}
.process-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  height: 100%;
  transition: var(--transition);
  position: relative;
}
.process-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-6px);
  border-color: rgba(201, 168, 106, 0.4);
}
.process-card .step-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 18px;
  opacity: 0.9;
}
.process-card h3 {
  font-size: 18px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 10px;
}
.process-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  margin: 0;
}
.process-arrow {
  position: absolute;
  top: 50%;
  right: -26px;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 16px;
  z-index: 2;
  opacity: 0.7;
}
@media (max-width: 991px) {
  .process-arrow {
    display: none;
  }
}

/* ========== 数据成果 ========== */
.stats-section {
  background: var(--bg-white);
}
.stats-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  height: 100%;
}
.stats-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(201, 168, 106, 0.3);
}
.stats-card .stats-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 22px;
  margin-bottom: 16px;
}
.stats-card .stats-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.stats-card .stats-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg-light);
}
.faq-accordion .accordion-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md) !important;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.faq-accordion .accordion-button {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  padding: 20px 24px;
  background: var(--bg-white);
}
.faq-accordion .accordion-button:not(.collapsed) {
  color: var(--accent);
  background: var(--bg-white);
  box-shadow: none;
}
.faq-accordion .accordion-button:focus {
  box-shadow: none;
  border-color: transparent;
}
.faq-accordion .accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23c9a86a'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}
.faq-accordion .accordion-body {
  font-size: 14px;
  color: var(--text-body);
  padding: 0 24px 22px;
}

/* ========== CTA 区块 ========== */
.cta-section {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 90px 0;
}
.cta-section .cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 31, 58, 0.95), rgba(11, 31, 58, 0.8));
}
.cta-section .cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.cta-section h2 {
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 32px;
}
.cta-section .cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-contact-list {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.cta-contact-list li {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cta-contact-list li i {
  color: var(--accent);
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--primary-deep);
  color: rgba(255, 255, 255, 0.6);
  padding: 70px 0 30px;
  font-size: 14px;
}
.site-footer .footer-brand {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  display: inline-block;
  margin-bottom: 14px;
}
.site-footer p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  line-height: 1.8;
}
.site-footer h5 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.footer-links li {
  margin-bottom: 8px;
}
.footer-links li a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  transition: var(--transition);
}
.footer-links li a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 26px;
  margin-top: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
}
.footer-bottom span {
  color: rgba(255, 255, 255, 0.4);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .section-padding {
    padding: 72px 0;
  }
  .page-hero {
    padding: 110px 0 90px;
  }
  .overview-grid {
    gap: 36px;
  }
  .section-title-wrap .section-title {
    font-size: 30px;
  }
}
@media (max-width: 991px) {
  .dock-navbar .container {
    border-radius: 24px;
  }
  .dock-navbar .navbar-collapse {
    padding-top: 14px;
  }
  .dock-navbar .nav-link {
    padding: 10px 16px !important;
  }
  .dock-navbar .btn-accent {
    margin-top: 10px;
    margin-left: 8px;
  }
  .overview-grid {
    grid-template-columns: 1fr;
  }
  .overview-media img {
    height: 300px;
  }
}
@media (max-width: 768px) {
  .page-hero h1 {
    font-size: 34px;
  }
  .page-hero .lead-text {
    font-size: 16px;
  }
  .feature-check-list {
    grid-template-columns: 1fr;
  }
  .section-title-wrap .section-title {
    font-size: 26px;
  }
  .stats-card .stats-number {
    font-size: 32px;
  }
  .cta-section h2 {
    font-size: 28px;
  }
  .dock-navbar .container {
    padding: 10px 16px;
  }
}
@media (max-width: 520px) {
  .page-hero {
    padding: 90px 0 70px;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .page-hero .hero-tag {
    font-size: 12px;
  }
  .overview-media img {
    height: 220px;
  }
  .overview-media .media-badge {
    bottom: 14px;
    left: 14px;
    padding: 10px 14px;
  }
  .service-card .card-body {
    padding: 28px 18px 20px;
  }
  .process-card {
    padding: 24px 20px;
  }
  .cta-actions .btn {
    width: 100%;
    max-width: 260px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}