/* roulang page: index */
:root{
  --primary:#0B3B5C;
  --primary-600:#1565A0;
  --primary-700:#0A2E49;
  --accent:#C9A96E;
  --accent-600:#B18E4F;
  --accent-soft:#F0E6D4;
  --bg-light:#F5F7FA;
  --bg-white:#FFFFFF;
  --bg-dark:#0A1A26;
  --text-dark:#16283B;
  --text-gray:#53687A;
  --text-muted:#8899A8;
  --border:#E4E9EF;
  --radius-lg:20px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(11,59,92,0.06);
  --shadow-md:0 8px 32px rgba(11,59,92,0.10);
  --shadow-lg:0 24px 64px rgba(11,59,92,0.14);
  --transition:all .3s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg-white);
  color:var(--text-dark);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:88px 0}
.section-alt{background:var(--bg-light)}
.section-header{text-align:center;max-width:700px;margin:0 auto 56px}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.12em;
  color:var(--accent-600);text-transform:uppercase;
  background:var(--accent-soft);padding:6px 18px;border-radius:100px;
  margin-bottom:16px;
}
.section-tag i{font-size:12px}
.section-title{font-size:38px;font-weight:700;line-height:1.25;color:var(--text-dark);margin-bottom:14px}
.section-desc{font-size:17px;color:var(--text-gray);line-height:1.8}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(0,0,0,.04);
  box-shadow:0 1px 12px rgba(0,0,0,.03);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;position:relative;
}
.header-logo{
  position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  display:flex;align-items:center;gap:10px;
  font-size:22px;font-weight:700;letter-spacing:.01em;
  color:var(--text-dark);white-space:nowrap;
}
.header-logo .logo-mark{
  width:40px;height:40px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-600));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;
  box-shadow:0 4px 14px rgba(11,59,92,.25);
}
.header-logo .logo-text{font-weight:700;font-size:21px;color:var(--text-dark)}
.header-logo .logo-text span{color:var(--accent)}
.nav-wrap{display:flex;align-items:center;gap:6px}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  font-size:15px;font-weight:500;color:var(--text-gray);
  padding:9px 20px;border-radius:100px;
  transition:var(--transition);line-height:1.4;
}
.nav-item i{font-size:14px;opacity:.7}
.nav-item:hover{
  color:var(--primary);background:rgba(11,59,92,.06);
}
.nav-item.active{
  color:var(--primary);background:rgba(11,59,92,.08);
  font-weight:600;
}
.nav-item .nav-badge{
  background:var(--accent);color:#fff;
  font-size:10px;font-weight:700;padding:2px 7px;border-radius:20px;
  line-height:1.3;
}
.mobile-toggle{
  display:none;background:none;border:none;font-size:24px;color:var(--text-dark);
  cursor:pointer;padding:8px;border-radius:8px;transition:var(--transition);
}
.mobile-toggle:hover{background:rgba(0,0,0,.05)}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:640px;
  display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(135deg,rgba(10,26,38,.82) 0%,rgba(11,59,92,.72) 50%,rgba(11,59,92,.45) 100%);
}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero-content{max-width:780px;padding:60px 0}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.25);
  color:#fff;font-size:14px;font-weight:500;
  padding:7px 18px;border-radius:100px;margin-bottom:24px;
  backdrop-filter:blur(10px);
}
.hero-badge i{color:var(--accent);font-size:13px}
.hero-title{
  font-size:52px;font-weight:800;line-height:1.15;
  color:#fff;margin-bottom:16px;letter-spacing:.01em;
}
.hero-title .accent-text{
  background:linear-gradient(120deg,var(--accent-light,#E8D5B5),var(--accent));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-subtitle{
  font-size:20px;color:rgba(255,255,255,.9);
  line-height:1.7;margin-bottom:32px;max-width:600px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 32px;border-radius:100px;
  font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;border:none;transition:var(--transition);
  text-decoration:none;
}
.btn-primary{
  background:var(--accent);color:#fff;
  box-shadow:0 6px 24px rgba(201,169,110,.35);
}
.btn-primary:hover{
  background:#b8964f;transform:translateY(-2px);
  box-shadow:0 10px 32px rgba(201,169,110,.45);
}
.btn-outline-light{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5);
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);
}
.hero-stats{
  display:flex;gap:30px;margin-top:48px;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.15);
}
.hero-stat{text-align:left}
.hero-stat .num{font-size:32px;font-weight:800;color:#fff;line-height:1.2}
.hero-stat .label{font-size:13px;color:rgba(255,255,255,.75);margin-top:4px}

/* ===== Feature Cards ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-card{
  background:var(--bg-white);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:40px 32px;
  transition:var(--transition);position:relative;overflow:hidden;
}
.feature-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  opacity:0;transition:var(--transition);
}
.feature-card:hover{
  transform:translateY(-6px);box-shadow:var(--shadow-md);
}
.feature-card:hover::before{opacity:1}
.feature-icon{
  width:60px;height:60px;border-radius:16px;
  background:linear-gradient(135deg,rgba(11,59,92,.08),rgba(201,169,110,.12));
  display:flex;align-items:center;justify-content:center;
  font-size:24px;color:var(--primary);margin-bottom:22px;
}
.feature-card h3{font-size:19px;font-weight:700;color:var(--text-dark);margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-gray);line-height:1.7}

/* ===== Category ===== */
.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.category-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  min-height:320px;display:flex;align-items:flex-end;
  background:linear-gradient(180deg,transparent 30%,rgba(10,26,38,.85));
  cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-sm);
}
.category-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-1;
  transition:transform .6s ease;
}
.category-card:hover img{transform:scale(1.05)}
.category-card:hover{box-shadow:var(--shadow-lg)}
.category-info{
  padding:32px;color:#fff;width:100%;
  background:linear-gradient(180deg,transparent,rgba(10,26,38,.88));
}
.category-info .cat-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.18);border-radius:100px;
  padding:5px 14px;font-size:12px;font-weight:600;margin-bottom:12px;
  backdrop-filter:blur(8px);
}
.category-info h3{font-size:24px;font-weight:700;margin-bottom:8px}
.category-info p{font-size:14px;color:rgba(255,255,255,.85);margin-bottom:16px;max-width:420px}
.category-info .btn-sm{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;border-radius:100px;
  padding:8px 24px;font-size:14px;font-weight:600;transition:var(--transition);
}
.category-info .btn-sm:hover{background:#b8964f;transform:translateY(-2px)}

/* ===== News List ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--bg-white);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:28px;
  display:flex;flex-direction:column;transition:var(--transition);
  height:100%;
}
.news-card:hover{
  box-shadow:var(--shadow-md);transform:translateY(-4px);
  border-color:rgba(11,59,92,.2);
}
.news-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.news-tag{
  background:rgba(11,59,92,.08);color:var(--primary);
  font-size:12px;font-weight:600;padding:4px 14px;border-radius:100px;
}
.news-date{font-size:12px;color:var(--text-muted);display:inline-flex;align-items:center;gap:5px}
.news-card h3{
  font-size:17px;font-weight:600;line-height:1.5;
  color:var(--text-dark);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14px;color:var(--text-gray);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  flex:1;margin-bottom:16px;
}
.news-link{
  font-size:14px;font-weight:600;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;transition:var(--transition);
}
.news-link:hover{gap:12px;color:var(--accent-600)}
.no-data{
  text-align:center;color:var(--text-muted);
  padding:48px 0;font-size:16px;
}

/* ===== Stats ===== */
.stats-section{
  background:var(--bg-dark);position:relative;overflow:hidden;
}
.stats-section::before{
  content:'';position:absolute;top:-60%;right:-20%;width:500px;height:500px;
  background:radial-gradient(circle,rgba(201,169,110,.08),transparent 60%);
  border-radius:50%;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;z-index:1}
.stat-card{text-align:center;padding:36px 24px;border-radius:var(--radius-lg);background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);transition:var(--transition)}
.stat-card:hover{background:rgba(255,255,255,.06);transform:translateY(-4px)}
.stat-num{font-size:44px;font-weight:800;color:var(--accent);line-height:1.2;margin-bottom:6px}
.stat-label{font-size:14px;color:rgba(255,255,255,.7);font-weight:500}
.stat-icon{font-size:22px;color:var(--accent);margin-bottom:16px;opacity:.8}

/* ===== Feature Rows ===== */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  margin-bottom:88px;
}
.feature-row:last-child{margin-bottom:0}
.feature-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-md);min-height:320px;
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.feature-media:hover img{transform:scale(1.03)}
.feature-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent,rgba(11,59,92,.15));
}
.feature-content{padding:20px 0}
.feature-content .section-tag{margin-bottom:14px}
.feature-content h3{font-size:30px;font-weight:700;line-height:1.3;margin-bottom:16px;color:var(--text-dark)}
.feature-content p{font-size:16px;color:var(--text-gray);line-height:1.8;margin-bottom:20px}
.feature-points{display:flex;flex-direction:column;gap:11px}
.feature-point{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:var(--text-gray)}
.feature-point i{color:var(--accent);font-size:16px;margin-top:4px;flex-shrink:0}

/* ===== Process ===== */
.process-section{background:var(--bg-light)}
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative}
.process-steps::before{
  content:'';position:absolute;top:36px;left:10%;right:10%;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.25;
}
.step-item{text-align:center;position:relative;padding:0 8px}
.step-num{
  width:72px;height:72px;border-radius:50%;
  background:var(--bg-white);border:2px solid var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:700;color:var(--primary);
  margin:0 auto 20px;position:relative;z-index:1;
  box-shadow:0 0 0 8px var(--bg-light);
  transition:var(--transition);
}
.step-item:hover .step-num{background:var(--primary);color:#fff;box-shadow:0 0 0 8px var(--bg-light),0 8px 24px rgba(11,59,92,.25)}
.step-item h3{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--text-dark)}
.step-item p{font-size:14px;color:var(--text-gray);line-height:1.6}

/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--bg-white);border:1px solid var(--border);
  border-radius:var(--radius-md);margin-bottom:14px;
  transition:var(--transition);overflow:hidden;
}
.faq-item:hover{border-color:rgba(11,59,92,.2);box-shadow:var(--shadow-sm)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 28px;cursor:pointer;font-size:16px;font-weight:600;
  color:var(--text-dark);transition:var(--transition);
}
.faq-question i{font-size:14px;color:var(--accent);transition:transform .3s ease}
.faq-question:hover{color:var(--primary)}
.faq-item.active .faq-question i{transform:rotate(180deg)}
.faq-answer{
  padding:0 28px;max-height:0;overflow:hidden;
  font-size:15px;color:var(--text-gray);line-height:1.8;
  transition:max-height .4s ease,padding .4s ease;
}
.faq-item.active .faq-answer{
  max-height:300px;padding:0 28px 22px;
}

/* ===== CTA ===== */
.cta-section{
  position:relative;padding:96px 0;overflow:hidden;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(11,59,92,.9),rgba(10,26,38,.8));
}
.cta-box{
  position:relative;z-index:1;text-align:center;max-width:640px;margin:0 auto;
}
.cta-box h2{font-size:38px;font-weight:800;color:#fff;margin-bottom:16px;line-height:1.3}
.cta-box p{font-size:17px;color:rgba(255,255,255,.85);margin-bottom:32px;line-height:1.8}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-light{
  background:#fff;color:var(--primary);
  box-shadow:0 8px 24px rgba(0,0,0,.15);
}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.2);background:#f5f7fa}
.btn-outline-light-2{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5);
}
.btn-outline-light-2:hover{background:rgba(255,255,255,.15);border-color:#fff;transform:translateY(-2px)}

/* ===== Footer ===== */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.7);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:48px;}
.footer-logo{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-logo .logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary-600),var(--accent));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;
}
.footer-desc{font-size:14px;line-height:1.8;margin-bottom:20px;max-width:320px}
.footer-col h4{
  font-size:15px;font-weight:700;color:#fff;letter-spacing:.04em;
  margin-bottom:16px;position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:'';position:absolute;bottom:0;left:0;width:32px;height:2px;
  background:var(--accent);
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{
  font-size:14px;color:rgba(255,255,255,.6);transition:var(--transition);
  display:inline-flex;align-items:center;gap:8px;
}
.footer-col ul li a:hover{color:var(--accent);transform:translateX(4px)}
.footer-col ul li a i{font-size:11px;opacity:.5}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;text-align:center;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.75)}
.footer-bottom a:hover{color:var(--accent)}

/* ===== Mobile Responsive ===== */
@media(max-width:1024px){
  .section{padding:72px 0}
  .section-title{font-size:32px}
  .hero-title{font-size:42px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .process-steps{grid-template-columns:repeat(2,1fr)}
  .process-steps::before{display:none}
  .feature-row{gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media(max-width:768px){
  .mobile-toggle{display:block}
  .nav-wrap{
    position:absolute;top:100%;left:0;right:0;
    background:var(--bg-white);flex-direction:column;
    gap:0;align-items:stretch;
    box-shadow:0 12px 40px rgba(0,0,0,.1);
    border-top:1px solid var(--border);
    display:none;padding:12px;
  }
  .nav-wrap.open{display:flex}
  .nav-item{padding:14px 20px;border-radius:12px;justify-content:flex-start}
  .header-logo{position:relative;left:auto;top:auto;transform:none}
  .header-inner{height:64px}
  .hero{min-height:520px}
  .hero-title{font-size:34px}
  .hero-subtitle{font-size:17px}
  .hero-stats{flex-wrap:wrap;gap:20px}
  .feature-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .feature-row{grid-template-columns:1fr;gap:24px}
  .feature-media{min-height:240px}
  .category-grid{grid-template-columns:1fr}
  .process-steps{grid-template-columns:1fr}
  .cta-box h2{font-size:30px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .section-title{font-size:28px}
}

@media(max-width:520px){
  .container{padding:0 16px}
  .hero{min-height:480px}
  .hero-title{font-size:28px}
  .hero-cta{flex-direction:column}
  .btn{width:100%}
  .stats-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .footer-bottom{font-size:12px}
}

/* roulang page: category1 */
:root {
  --brand: #0e4d6e;
  --brand-dark: #082d42;
  --accent: #c19a5b;
  --accent-light: #d9b87c;
  --bg-light: #f5f8fb;
  --bg-deep: #0b1f2e;
  --text: #1e2a36;
  --muted: #5c6b7a;
  --border: #e3e9ef;
  --white: #ffffff;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 12px 40px rgba(15, 42, 68, .08);
  --shadow-lg: 0 20px 60px rgba(15, 42, 68, .14);
  --transition: .25s ease;
  --header-h: 76px;
  --space: 90px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

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

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 30px;
  width: 100%;
}

.section {
  padding: var(--space) 0;
}

.section-alt {
  background: var(--bg-light);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  background: rgba(14, 77, 110, .08);
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 900;
  color: var(--brand-dark);
  line-height: 1.25;
  letter-spacing: -.01em;
}

.section-sub {
  color: var(--muted);
  font-size: 16px;
  margin-top: 16px;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(14, 77, 110, .08);
  height: var(--header-h);
  box-shadow: 0 4px 24px rgba(15, 42, 68, .04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 20px;
  position: relative;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 900;
  color: var(--brand-dark);
  letter-spacing: -.02em;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  z-index: 3;
}

.logo-mark {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand), #166a94);
  color: var(--white);
  border-radius: 12px;
  font-size: 18px;
  box-shadow: 0 6px 18px rgba(14, 77, 110, .28);
}

.logo-text {
  font-size: 20px;
}

.logo-text span {
  color: var(--accent);
}

.nav-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-wrap.right {
  justify-content: flex-end;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 10px 18px;
  border-radius: 999px;
  transition: background var(--transition), color var(--transition);
}

.nav-item i {
  font-size: 14px;
  color: var(--accent);
}

.nav-item:hover {
  background: rgba(14, 77, 110, .06);
  color: var(--brand);
}

.nav-item.active {
  background: var(--brand);
  color: var(--white);
  box-shadow: 0 6px 16px rgba(14, 77, 110, .22);
}

.nav-item.active i {
  color: var(--white);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  font-size: 20px;
  color: var(--brand);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  z-index: 4;
}

.mobile-toggle:hover {
  background: rgba(14, 77, 110, .08);
}

/* hero */
.category-hero {
  position: relative;
  padding: 120px 0 100px;
  background: linear-gradient(140deg, rgba(8, 45, 66, .92), rgba(14, 77, 110, .78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: var(--white);
  overflow: hidden;
}

.category-hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -40px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(193, 154, 91, .16);
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .18);
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

.hero-breadcrumb a {
  color: rgba(255, 255, 255, .8);
}

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

.hero-breadcrumb i {
  font-size: 11px;
  color: rgba(255, 255, 255, .5);
}

.hero-kicker {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--accent-light);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.category-hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.02em;
  margin-bottom: 18px;
}

.category-hero p {
  font-size: 17px;
  color: rgba(255, 255, 255, .85);
  max-width: 640px;
  margin: 0 auto 32px;
}

.hero-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .14);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px;
  backdrop-filter: blur(6px);
}

.hero-meta i {
  color: var(--accent-light);
}

/* intro stats */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 77, 110, .08);
  border-radius: 14px;
  color: var(--brand);
  font-size: 20px;
}

.stat-number {
  font-size: 34px;
  font-weight: 900;
  color: var(--brand-dark);
  line-height: 1.2;
}

.stat-label {
  color: var(--muted);
  font-size: 14px;
  margin-top: 6px;
}

.intro-box {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.intro-copy h2 {
  font-size: 30px;
  font-weight: 900;
  color: var(--brand-dark);
  line-height: 1.3;
  margin-bottom: 18px;
}

.intro-copy p {
  color: var(--muted);
  margin-bottom: 16px;
  font-size: 15.5px;
}

.intro-copy ul {
  list-style: none;
  margin: 24px 0 0;
}

.intro-copy ul li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 15px;
  color: var(--text);
}

.intro-copy ul li i {
  color: var(--accent);
  font-size: 14px;
  margin-top: 6px;
}

.intro-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  min-height: 360px;
  background: linear-gradient(150deg, var(--brand-dark), var(--brand));
}

.intro-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
}

.intro-visual-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  background: linear-gradient(to top, rgba(8, 45, 66, .9), transparent);
  color: var(--white);
}

.intro-visual-content span {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--accent-light);
  margin-bottom: 8px;
}

.intro-visual-content h3 {
  font-size: 24px;
  font-weight: 900;
  margin-bottom: 6px;
}

.intro-visual-content p {
  font-size: 14px;
  color: rgba(255, 255, 255, .8);
}

/* cover cards */
.cover-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.cover-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.cover-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.cover-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.cover-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.cover-card:hover .cover-media img {
  transform: scale(1.05);
}

.cover-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 45, 66, .35), transparent);
}

.cover-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: rgba(255, 255, 255, .92);
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.cover-body {
  padding: 26px 24px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.cover-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--brand-dark);
  line-height: 1.4;
  margin-bottom: 10px;
}

.cover-body p {
  color: var(--muted);
  font-size: 14.5px;
  flex: 1;
}

.cover-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-weight: 700;
  font-size: 14px;
  color: var(--brand);
}

.cover-link i {
  font-size: 12px;
  transition: transform var(--transition);
}

.cover-link:hover i {
  transform: translateX(4px);
}

/* popular list */
.two-col {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}

.news-list {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 28px;
  box-shadow: var(--shadow);
}

.news-item {
  display: flex;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.news-item:last-child {
  border-bottom: none;
}

.news-date {
  flex-shrink: 0;
  width: 68px;
  text-align: center;
  background: rgba(14, 77, 110, .06);
  border-radius: 14px;
  padding: 10px 6px;
}

.news-date .day {
  font-size: 22px;
  font-weight: 900;
  color: var(--brand);
  line-height: 1;
  display: block;
}

.news-date .month {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
  display: block;
}

.news-info {
  flex: 1;
}

.news-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
}

.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  background: rgba(193, 154, 91, .12);
  color: #8a6b35;
  padding: 3px 12px;
  border-radius: 999px;
}

.news-info h3 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  transition: color var(--transition);
}

.news-info h3:hover {
  color: var(--brand);
}

.news-meta {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.news-meta i {
  margin-right: 4px;
  color: var(--accent);
}

.side-panel {
  background: linear-gradient(150deg, var(--bg-deep), var(--brand-dark));
  border-radius: var(--radius);
  padding: 36px 30px;
  color: var(--white);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 110px;
}

.side-panel h3 {
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 14px;
}

.side-panel p {
  font-size: 14.5px;
  color: rgba(255, 255, 255, .78);
  margin-bottom: 22px;
}

.side-panel ul {
  list-style: none;
  margin: 0 0 24px;
}

.side-panel ul li {
  padding: 8px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, .88);
  display: flex;
  align-items: center;
  gap: 10px;
}

.side-panel ul li i {
  color: var(--accent-light);
  font-size: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 30px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--brand);
  color: var(--white) !important;
  box-shadow: 0 8px 24px rgba(14, 77, 110, .25);
}

.btn-primary:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(14, 77, 110, .32);
}

.btn-light {
  background: var(--white);
  color: var(--brand-dark) !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
}

.btn-light:hover {
  transform: translateY(-2px);
}

/* steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.step-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 26px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.step-num {
  position: absolute;
  top: -18px;
  left: 26px;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 900;
  box-shadow: 0 6px 16px rgba(193, 154, 91, .35);
}

.step-card i.step-icon {
  font-size: 26px;
  color: var(--brand);
  margin-bottom: 16px;
  display: block;
}

.step-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--brand-dark);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: var(--muted);
}

/* faq */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 16px;
  box-shadow: 0 4px 16px rgba(15, 42, 68, .04);
  transition: box-shadow var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  transition: color var(--transition);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--brand);
}

.faq-item summary .faq-icon {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(14, 77, 110, .08);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: all var(--transition);
}

.faq-item[open] summary .faq-icon {
  background: var(--brand);
  color: var(--white);
  transform: rotate(45deg);
}

.faq-item .faq-answer {
  padding: 0 26px 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* cta */
.cta-section {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(135deg, var(--brand-dark), var(--brand)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  background-blend-mode: overlay;
  color: var(--white);
  text-align: center;
}

.cta-section .cta-inner {
  max-width: 640px;
  margin: 0 auto;
}

.cta-section h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, .85);
  font-size: 16px;
  margin-bottom: 32px;
}

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

.cta-mail {
  margin-top: 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
}

.cta-mail a {
  color: var(--accent-light);
  font-weight: 700;
}

/* footer */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, .7);
  padding: 70px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-logo .logo-mark {
  width: 38px;
  height: 38px;
  font-size: 16px;
  background: rgba(255, 255, 255, .12);
  color: var(--accent-light);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .55);
  max-width: 320px;
  margin-bottom: 18px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  transition: color var(--transition), padding-left var(--transition);
}

.footer-col ul li a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}

.footer-col ul li i {
  font-size: 11px;
  color: var(--accent);
}

.footer-bottom {
  padding-top: 28px;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, .4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, .6);
}

.footer-bottom a:hover {
  color: var(--accent-light);
}

/* focus */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(193, 154, 91, .6);
  outline-offset: 2px;
  border-radius: 4px;
}

/* responsive */
@media (max-width: 1024px) {
  :root {
    --space: 70px;
  }

  .cover-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-col {
    grid-template-columns: 1fr;
  }

  .side-panel {
    position: static;
  }

  .intro-box {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --space: 56px;
    --header-h: 64px;
  }

  .container {
    padding: 0 20px;
  }

  .mobile-toggle {
    display: flex;
  }

  .header-inner {
    justify-content: space-between;
  }

  .header-logo {
    position: static;
    transform: none;
    font-size: 18px;
  }

  .logo-text {
    font-size: 17px;
  }

  .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }

  .nav-wrap {
    position: absolute;
    top: calc(var(--header-h) - 6px);
    left: 20px;
    right: 20px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 4px;
    display: none;
    z-index: 99;
    border: 1px solid var(--border);
  }

  .nav-wrap.open {
    display: flex;
  }

  .nav-wrap.right {
    position: absolute;
    top: calc(var(--header-h) + 70px);
  }

  .nav-item {
    padding: 13px 16px;
    border-radius: 12px;
    font-size: 15px;
  }

  .category-hero {
    padding: 80px 0 64px;
  }

  .category-hero p {
    font-size: 15px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 520px) {
  .cover-grid,
  .stat-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .news-item {
    flex-direction: column;
    gap: 12px;
  }

  .news-date {
    width: auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
  }

  .news-date .day {
    font-size: 15px;
  }

  .news-date .month {
    margin-top: 0;
  }

  .hero-meta {
    flex-direction: column;
    align-items: center;
  }

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

  .faq-item summary {
    padding: 18px 20px;
    font-size: 15px;
  }

  .faq-item .faq-answer {
    padding: 0 20px 20px;
  }
}

/* roulang page: article */
:root {
  --primary-dark: #0a2b36;
  --primary: #123f4c;
  --primary-light: #1d6370;
  --accent: #e2a13c;
  --accent-light: #f0b95a;
  --bg: #f1f5f7;
  --bg-white: #ffffff;
  --text-main: #16282f;
  --text-muted: #5a7078;
  --border: #e1e8eb;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 4px 24px rgba(12, 48, 60, 0.08);
  --shadow-hover: 0 12px 36px rgba(12, 48, 60, 0.16);
  --transition: all 0.3s ease;
}
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* Header & Navigation */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 74px;
  gap: 16px;
}
.nav-wrap { display: flex; align-items: center; gap: 4px; }
.nav-wrap:first-of-type { justify-content: flex-start; }
.nav-wrap:last-of-type { justify-content: flex-end; }
.nav-item {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px; border-radius: 40px;
  font-size: 14px; font-weight: 600; color: var(--text-muted);
  white-space: nowrap; transition: var(--transition);
}
.nav-item i { font-size: 14px; }
.nav-item:hover { color: var(--primary); background: rgba(18,63,76,0.07); transform: translateY(-1px); }
.nav-item.active { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(18,63,76,0.3); }
.header-logo { display: flex; align-items: center; gap: 10px; padding: 0 10px; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 13px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 18px;
  box-shadow: 0 4px 14px rgba(18,63,76,0.35);
}
.logo-text { font-size: 21px; font-weight: 800; color: var(--primary); letter-spacing: 0.5px; }
.logo-text span { color: var(--accent); font-weight: 700; }
.mobile-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--border);
  border-radius: 12px; background: #fff; align-items: center; justify-content: center;
  font-size: 18px; color: var(--primary); transition: var(--transition);
}
.mobile-toggle:hover { background: var(--bg); border-color: var(--primary-light); }

/* Hero Banner */
.article-hero {
  position: relative;
  padding: 100px 0 90px;
  color: #fff;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.article-hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(10,35,44,0.94) 0%, rgba(14,53,66,0.82) 45%, rgba(22,90,107,0.65) 100%);
}
.article-hero .container { position: relative; z-index: 2; }
.hero-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,0.7); margin-bottom: 28px; flex-wrap: wrap; }
.hero-breadcrumb a { color: rgba(255,255,255,0.85); transition: var(--transition); }
.hero-breadcrumb a:hover { color: var(--accent); }
.hero-breadcrumb .sep { opacity: 0.5; }
.hero-breadcrumb .current { color: var(--accent); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(226,161,60,0.18); border: 1px solid rgba(226,161,60,0.45);
  padding: 7px 18px; border-radius: 40px; font-size: 13px; font-weight: 600;
  color: var(--accent-light); margin-bottom: 20px; backdrop-filter: blur(6px);
}
.article-hero h1 {
  font-size: 42px; font-weight: 800; line-height: 1.3;
  max-width: 860px; letter-spacing: 0.5px; margin-bottom: 24px;
}
.hero-meta { display: flex; align-items: center; gap: 24px; font-size: 14px; color: rgba(255,255,255,0.75); flex-wrap: wrap; }
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta i { color: var(--accent); }

/* Breadcrumb bar */
.breadcrumb-bar {
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.breadcrumb-bar .bc-list { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-muted); flex-wrap: wrap; }
.breadcrumb-bar .bc-list a:hover { color: var(--primary); }
.breadcrumb-bar .bc-list .sep { color: #b5c3c8; }
.breadcrumb-bar .bc-list .current { color: var(--primary); font-weight: 600; }

/* Article Main Layout */
.article-main { padding: 64px 0 70px; }
.article-layout .cell { margin-bottom: 32px; }
.main-content-wrap { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 48px 52px; border: 1px solid var(--border); }
.article-content { font-size: 16.5px; line-height: 1.95; color: var(--text-main); }
.article-content > *:first-child { margin-top: 0; }
.article-content p { margin-bottom: 1.5em; }
.article-content h2 { font-size: 26px; font-weight: 700; margin: 2em 0 0.9em; padding-left: 16px; border-left: 4px solid var(--accent); line-height: 1.4; }
.article-content h3 { font-size: 21px; font-weight: 700; margin: 1.8em 0 0.7em; line-height: 1.4; }
.article-content h4 { font-size: 18px; font-weight: 700; margin: 1.5em 0 0.6em; }
.article-content ul, .article-content ol { margin: 0 0 1.5em 1.4em; padding: 0; }
.article-content ul li { list-style: disc; margin-bottom: 0.6em; padding-left: 4px; }
.article-content ol li { list-style: decimal; margin-bottom: 0.6em; padding-left: 4px; }
.article-content blockquote {
  background: #f0f5f7; border-left: 4px solid var(--primary);
  border-radius: 0 14px 14px 0; padding: 22px 28px; margin: 1.8em 0;
  color: var(--text-muted); font-style: italic; position: relative;
}
.article-content blockquote::before { content: '"'; position: absolute; top: 6px; left: 10px; font-size: 36px; color: var(--primary-light); opacity: 0.3; }
.article-content img { width: 100%; border-radius: 16px; margin: 1.8em 0; box-shadow: var(--shadow-card); }
.article-content a { color: var(--primary-light); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--accent); }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 15px; }
.article-content th { background: var(--primary); color: #fff; font-weight: 600; text-align: left; padding: 12px 16px; }
.article-content td { border: 1px solid var(--border); padding: 12px 16px; }
.article-content tr:nth-child(even) td { background: #f8fafb; }
.article-content code { background: #f0f3f5; padding: 2px 8px; border-radius: 6px; font-size: 0.9em; font-family: 'SF Mono', Consolas, 'Courier New', monospace; }
.article-content pre { background: var(--primary-dark); color: #e8f0f2; padding: 24px; border-radius: 14px; overflow-x: auto; margin: 1.5em 0; font-size: 14px; line-height: 1.7; }
.article-content pre code { background: transparent; padding: 0; color: inherit; }
.article-content hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }

.article-footer-tags { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 28px 0 0; margin-top: 34px; border-top: 1px solid var(--border); }
.tags-label { font-size: 14px; font-weight: 700; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.tag-chip { padding: 6px 16px; border-radius: 40px; background: var(--bg); border: 1px solid var(--border); font-size: 13px; color: var(--text-muted); transition: var(--transition); }
.tag-chip:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }

/* Sidebar */
.sidebar-wrap { position: sticky; top: 100px; }
.sidebar-card { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); border: 1px solid var(--border); padding: 30px; margin-bottom: 28px; }
.sidebar-card:last-child { margin-bottom: 0; }
.sidebar-card-title { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; padding-bottom: 14px; border-bottom: 2px solid var(--bg); }
.sidebar-card-title i { color: var(--accent); }
.sidebar-card-title::after { content: ''; flex: 1; height: 2px; background: var(--bg); }
.sidebar-info-list li { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px dashed var(--border); font-size: 14px; }
.sidebar-info-list li:last-child { border-bottom: none; }
.sidebar-info-list .label { color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.sidebar-info-list .value { color: var(--primary); font-weight: 600; text-align: right; }
.sidebar-cat-list li { margin-bottom: 10px; }
.sidebar-cat-list a {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  border-radius: var(--radius-md); background: var(--bg); border: 1px solid transparent;
  font-size: 14px; font-weight: 600; color: var(--text-main); transition: var(--transition);
}
.sidebar-cat-list a:hover { background: var(--primary); color: #fff; transform: translateX(4px); box-shadow: 0 4px 14px rgba(18,63,76,0.25); }
.sidebar-cat-list a i { color: var(--accent); font-size: 13px; }
.sidebar-key-list { display: flex; flex-wrap: wrap; gap: 10px; }
.sidebar-key-list a { padding: 8px 16px; border-radius: 40px; background: var(--bg); font-size: 13px; color: var(--text-muted); border: 1px solid var(--border); transition: var(--transition); }
.sidebar-key-list a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-2px); }
.sidebar-mini-post { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px dashed var(--border); transition: var(--transition); }
.sidebar-mini-post:last-child { border-bottom: none; }
.sidebar-mini-post:hover .mini-title { color: var(--accent); }
.sidebar-mini-post .mini-thumb { width: 76px; height: 58px; border-radius: 10px; object-fit: cover; flex-shrink: 0; }
.sidebar-mini-post .mini-info { flex: 1; min-width: 0; }
.sidebar-mini-post .mini-title { font-size: 14px; font-weight: 600; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: var(--transition); }
.sidebar-mini-post .mini-date { font-size: 12px; color: var(--text-muted); margin-top: 6px; display: flex; align-items: center; gap: 5px; }
.sidebar-card-cta { text-align: center; padding: 10px 0; }
.sidebar-card-cta .cta-icon { width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; color: var(--accent); font-size: 24px; box-shadow: 0 8px 24px rgba(18,63,76,0.3); }
.sidebar-card-cta p { font-size: 14px; color: var(--text-muted); margin-bottom: 18px; }

/* Related Section */
.related-section { padding: 70px 0 64px; background: #fff; border-top: 1px solid var(--border); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 38px; gap: 20px; flex-wrap: wrap; }
.section-head-left .section-tag { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 10px; }
.section-head-left .section-tag::before { content: ''; width: 24px; height: 2px; background: var(--accent); border-radius: 2px; }
.section-head-left h2 { font-size: 32px; font-weight: 800; color: var(--primary); line-height: 1.2; margin: 0; }
.section-head-left p { color: var(--text-muted); margin-top: 10px; font-size: 15px; }


.related-card {
  display: block; background: var(--bg); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); transition: var(--transition); height: 100%;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
.related-card-cover { position: relative; height: 190px; overflow: hidden; }
.related-card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.related-card:hover .related-card-cover img { transform: scale(1.06); }
.related-card-cover .cover-badge { position: absolute; top: 14px; left: 14px; background: rgba(10,43,54,0.8); color: #fff; padding: 5px 14px; border-radius: 40px; font-size: 12px; font-weight: 600; backdrop-filter: blur(4px); }
.related-card-body { padding: 20px 22px 24px; }
.related-card-body h3 { font-size: 17px; font-weight: 700; line-height: 1.5; margin-bottom: 10px; color: var(--text-main); transition: var(--transition); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 50px; }
.related-card:hover .related-card-body h3 { color: var(--primary); }
.related-card-body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 14px; }
.related-card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--text-muted); border-top: 1px solid var(--border); padding-top: 14px; }
.related-card-meta .meta-cat { color: var(--accent); font-weight: 600; }
.related-card-meta .meta-date i { margin-right: 4px; }

/* CTA Section */
.cta-section {
  position: relative; padding: 90px 0; text-align: center; color: #fff;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.cta-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,43,54,0.88), rgba(14,63,76,0.92)); }
.cta-section .container { position: relative; z-index: 2; }
.cta-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(226,161,60,0.2); border: 1px solid rgba(226,161,60,0.5); padding: 7px 18px; border-radius: 40px; font-size: 13px; font-weight: 600; color: var(--accent-light); margin-bottom: 20px; }
.cta-section h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 16px; color: rgba(255,255,255,0.8); max-width: 620px; margin: 0 auto 30px; }
.cta-btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 30px; border-radius: 40px; font-size: 15px; font-weight: 600; border: none; transition: var(--transition); }
.btn-primary { background: var(--accent); color: var(--primary-dark); box-shadow: 0 4px 20px rgba(226,161,60,0.4); }
.btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(226,161,60,0.5); color: var(--primary-dark); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.6); }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-2px); }

/* Not Found */
.notfound-section { padding: 100px 0; min-height: 60vh; display: flex; align-items: center; }
.notfound-card { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 60px 40px; text-align: center; max-width: 560px; margin: 0 auto; border: 1px solid var(--border); }
.notfound-icon { width: 84px; height: 84px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; color: var(--accent); font-size: 32px; box-shadow: 0 8px 24px rgba(18,63,76,0.3); }
.notfound-card h1 { font-size: 32px; margin-bottom: 14px; color: var(--primary); }
.notfound-card p { color: var(--text-muted); margin-bottom: 28px; }

/* Footer */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.8); padding: 70px 0 0; position: relative; }
.site-footer::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary-light), var(--accent)); background-size: 200% 100%; animation: shimmer 8s linear infinite; }
@keyframes shimmer { 0% { background-position: 0% 0; } 100% { background-position: 200% 0; } }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 50px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; font-size: 20px; font-weight: 800; color: #fff; }
.footer-brand .footer-logo .logo-mark { width: 40px; height: 40px; border-radius: 12px; background: rgba(255,255,255,0.1); color: var(--accent); font-size: 17px; }
.footer-desc { font-size: 15px; line-height: 1.8; color: rgba(255,255,255,0.6); max-width: 360px; margin-bottom: 22px; }
.footer-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--accent); border-radius: 2px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,0.65); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); transform: translateX(4px); }
.footer-col ul li a i { font-size: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; text-align: center; font-size: 14px; color: rgba(255,255,255,0.5); }
.footer-bottom a { color: var(--accent); }

/* Responsive */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .article-hero h1 { font-size: 34px; }
  .main-content-wrap { padding: 38px 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 768px) {
  .header-inner { grid-template-columns: auto 1fr auto; gap: 8px; min-height: 64px; }
  .nav-wrap { display: none; }
  .mobile-toggle { display: flex; }
  .nav-wrap.open {
    display: flex; flex-direction: column; position: absolute;
    top: 64px; left: 0; right: 0; background: #fff;
    padding: 12px 16px; box-shadow: 0 16px 32px rgba(0,0,0,0.12);
    border-bottom: 1px solid var(--border); z-index: 999; align-items: stretch;
  }
  .nav-wrap.open .nav-item { padding: 12px 18px; border-radius: 12px; width: 100%; }
  .nav-wrap.open .nav-item.active { background: var(--primary); color: #fff; }
  #mobileNavRight.open { top: 170px; }
  .article-hero { padding: 70px 0 60px; }
  .article-hero h1 { font-size: 28px; }
  .hero-meta { gap: 14px; font-size: 13px; }
  .article-main { padding: 40px 0 50px; }
  .main-content-wrap { padding: 28px 22px; border-radius: 16px; }
  .article-content { font-size: 15.5px; }
  .article-content h2 { font-size: 22px; }
  .article-content h3 { font-size: 18px; }
  .sidebar-wrap { position: static; }
  .related-section { padding: 50px 0 40px; }
  .section-head h2 { font-size: 26px; }
  .cta-section { padding: 70px 0; }
  .cta-section h2 { font-size: 28px; }
  .cta-btn-group { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 260px; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo-text { font-size: 17px; }
  .logo-mark { width: 36px; height: 36px; font-size: 15px; }
  .header-logo { padding: 0 4px; }
  .article-hero h1 { font-size: 24px; }
  .hero-meta { flex-direction: column; align-items: flex-start; gap: 8px; }
  .main-content-wrap { padding: 22px 18px; }
  .article-content blockquote { padding: 16px 18px; }
  .section-head h2 { font-size: 22px; }
  .related-card-cover { height: 160px; }
  .footer-bottom { font-size: 12px; }
}
@media (max-width: 360px) {
  .logo-text { font-size: 15px; }
  .nav-item { padding: 6px 10px; font-size: 12px; }
}