/* roulang page: index */
:root{--primary:#e11d2f;--primary-dark:#b01220;--primary-light:#ff5a5f;--secondary:#0f1c2e;--bg:#f4f6f9;--bg-dark:#0b1220;--card:#ffffff;--text:#1a2333;--text-light:#5a6b7b;--border:#e4e9ef;--radius:16px;--radius-sm:10px;--shadow:0 8px 30px rgba(11,18,32,.08);--shadow-lg:0 16px 50px rgba(11,18,32,.13);--transition:all .3s ease}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:30px;font-weight:600;font-size:15px;transition:var(--transition);border:none;cursor:pointer;line-height:1.4}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 20px rgba(225,29,47,.35)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 30px rgba(225,29,47,.45)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(11,18,32,.55);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.08);transition:var(--transition)}
header.scrolled{background:rgba(11,18,32,.92);box-shadow:0 8px 30px rgba(0,0,0,.25)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{color:#fff;font-size:20px;font-weight:800;letter-spacing:1px;display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo i{color:var(--primary-light);font-size:22px}
.nav-links{display:flex;gap:8px;align-items:center}
.nav-links a{color:rgba(255,255,255,.85);font-size:15px;font-weight:500;padding:8px 16px;border-radius:var(--radius-sm);transition:var(--transition);position:relative}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{content:'';position:absolute;bottom:-2px;left:16px;right:16px;height:3px;background:var(--primary);border-radius:3px}
.nav-cta{background:var(--primary);color:#fff!important;padding:9px 22px!important;border-radius:30px!important;font-weight:600;margin-left:8px}
.nav-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:22px;cursor:pointer;padding:10px}
.mobile-menu{display:none;position:fixed;top:72px;left:0;right:0;background:rgba(11,18,32,.97);backdrop-filter:blur(20px);padding:24px 20px;flex-direction:column;gap:8px;border-bottom:1px solid rgba(255,255,255,.08);z-index:999}
.mobile-menu.open{display:flex}
.mobile-menu a{color:rgba(255,255,255,.9);padding:12px 16px;border-radius:var(--radius-sm);font-size:16px;font-weight:500}
.mobile-menu a:hover{background:rgba(255,255,255,.08);color:#fff}
.mobile-menu a.active{background:rgba(225,29,47,.18);color:#fff}
.hero{position:relative;min-height:92vh;display:flex;align-items:center;justify-content:center;text-align:center;background:url('/assets/images/backpic/back-1.png') center center/cover no-repeat;padding:140px 20px 90px}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,18,32,.88) 0%,rgba(11,18,32,.65) 55%,rgba(11,18,32,.35) 100%)}
.hero::after{content:'';position:absolute;inset:0;background:radial-gradient(rgba(225,29,47,.15) 0%,transparent 70%);pointer-events:none}
.hero-content{position:relative;z-index:2;max-width:830px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(225,29,47,.15);border:1px solid rgba(225,29,47,.35);color:#ffd7d9;padding:6px 18px;border-radius:30px;font-size:14px;font-weight:500;margin-bottom:22px}
.hero-badge i{color:var(--primary-light)}
.hero h1{font-size:clamp(36px,5.5vw,60px);line-height:1.15;color:#fff;font-weight:900;letter-spacing:2px;margin-bottom:20px}
.hero h1 span{color:var(--primary-light);position:relative}
.hero h1 span::after{content:'';position:absolute;bottom:2px;left:0;width:100%;height:4px;background:var(--primary);opacity:.6;border-radius:2px}
.hero p{color:rgba(255,255,255,.88);font-size:18px;margin-bottom:36px;max-width:640px;margin-left:auto;margin-right:auto}
.hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-stats{position:relative;z-index:2;display:flex;justify-content:center;gap:48px;margin-top:72px;flex-wrap:wrap}
.hero-stat{text-align:center;padding:0 20px}
.hero-stat .num{font-size:36px;font-weight:900;color:#fff;line-height:1.2}
.hero-stat .num span{color:var(--primary-light)}
.hero-stat .label{font-size:14px;color:rgba(255,255,255,.65);margin-top:6px;letter-spacing:1px}
.section{padding:90px 0}
.section-alt{background:var(--card)}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-head .tag{display:inline-block;background:rgba(225,29,47,.08);color:var(--primary);font-size:13px;font-weight:700;letter-spacing:2px;padding:6px 16px;border-radius:30px;margin-bottom:14px}
.section-head h2{font-size:clamp(28px,3.5vw,40px);font-weight:900;line-height:1.3;color:var(--text)}
.section-head h2 em{color:var(--primary);font-style:normal}
.section-head p{color:var(--text-light);font-size:16px;margin-top:14px}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.intro-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.intro-media img{width:100%;height:100%;object-fit:cover;min-height:380px}
.intro-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(11,18,32,.5));pointer-events:none}
.intro-media .media-tag{position:absolute;top:18px;left:18px;z-index:2;background:rgba(11,18,32,.75);backdrop-filter:blur(8px);color:#fff;padding:6px 16px;border-radius:30px;font-size:13px;font-weight:600;border:1px solid rgba(255,255,255,.15)}
.intro-content h3{font-size:26px;font-weight:800;line-height:1.4;margin-bottom:20px}
.intro-content h3 em{color:var(--primary);font-style:normal}
.intro-content p{color:var(--text-light);margin-bottom:24px;font-size:16px}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:32px}
.feature-list li{display:flex;gap:10px;align-items:center;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 16px;font-size:14px;font-weight:500}
.feature-list li i{color:var(--primary);width:18px;text-align:center}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cat-card{background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:var(--transition);box-shadow:var(--shadow)}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.cat-card .cat-img{position:relative;height:200px;overflow:hidden}
.cat-card .cat-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.cat-card:hover .cat-img img{transform:scale(1.05)}
.cat-card .cat-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(11,18,32,.65))}
.cat-card .cat-tag{position:absolute;top:14px;left:14px;z-index:2;background:var(--primary);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:20px}
.cat-card .cat-body{padding:26px}
.cat-card h4{font-size:19px;font-weight:800;margin-bottom:10px;color:var(--text)}
.cat-card p{color:var(--text-light);font-size:14px;line-height:1.6}
.cat-card .cat-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px;margin-top:16px}
.cat-card .cat-more i{transition:transform .3s ease}
.cat-card:hover .cat-more i{transform:translateX(4px)}
.news-section{background:var(--card)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.news-card{display:flex;gap:20px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:var(--transition)}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.news-card .news-thumb{width:140px;height:100px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:var(--secondary)}
.news-card .news-thumb img{width:100%;height:100%;object-fit:cover}
.news-card .news-body{flex:1;min-width:0}
.news-card .news-meta{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--text-light);margin-bottom:8px}
.news-card .news-meta .cat{background:rgba(225,29,47,.08);color:var(--primary);padding:2px 10px;border-radius:20px;font-weight:600}
.news-card h4{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:8px;color:var(--text)}
.news-card h4 a{color:var(--text)}
.news-card h4 a:hover{color:var(--primary)}
.news-card .news-desc{font-size:13px;color:var(--text-light);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-empty{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--text-light);background:var(--bg);border-radius:var(--radius);border:1px dashed var(--border)}
.flow-section{background:var(--bg-dark);position:relative;overflow:hidden}
.flow-section::before{content:'';position:absolute;top:-100px;right:-100px;width:350px;height:350px;background:rgba(225,29,47,.12);border-radius:50%;filter:blur(60px)}
.flow-section .section-head h2{color:#fff}
.flow-section .section-head .tag{background:rgba(225,29,47,.2);color:#ffb9bd}
.flow-section .section-head p{color:rgba(255,255,255,.6)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;position:relative;z-index:2}
.flow-item{position:relative;text-align:center;padding:36px 20px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);transition:var(--transition)}
.flow-item:hover{background:rgba(255,255,255,.08);border-color:rgba(225,29,47,.4);transform:translateY(-4px)}
.flow-item .icon{width:64px;height:64px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:26px;color:#fff;box-shadow:0 8px 24px rgba(225,29,47,.3)}
.flow-item .step{position:absolute;top:14px;right:18px;font-size:34px;font-weight:900;color:rgba(255,255,255,.07)}
.flow-item h4{color:#fff;font-size:17px;font-weight:700;margin-bottom:10px}
.flow-item p{color:rgba(255,255,255,.55);font-size:13px;line-height:1.6}
.data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.1);position:relative;z-index:2}
.data-strip .data-item{padding:40px 20px;text-align:center;border-right:1px solid rgba(255,255,255,.08)}
.data-strip .data-item:last-child{border-right:none}
.data-strip .num{font-size:40px;font-weight:900;color:#fff;line-height:1.2}
.data-strip .num span{color:var(--primary-light)}
.data-strip .label{font-size:14px;color:rgba(255,255,255,.55);margin-top:8px}
.faq-grid{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:rgba(225,29,47,.3)}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 28px;display:flex;align-items:center;gap:16px;font-weight:600;font-size:16px;color:var(--text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{width:28px;height:28px;background:rgba(225,29,47,.08);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--primary);flex-shrink:0;transition:var(--transition)}
.faq-item[open] summary .faq-icon{background:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-item .faq-answer{padding:0 28px 22px 72px;color:var(--text-light);font-size:15px;line-height:1.7}
.cta-section{position:relative;background:url('/assets/images/backpic/back-2.png') center center/cover no-repeat;padding:90px 0;text-align:center}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,18,32,.9),rgba(11,18,32,.7))}
.cta-section .container{position:relative;z-index:2}
.cta-section h2{color:#fff;font-size:clamp(28px,4vw,44px);font-weight:900;margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,.75);font-size:17px;max-width:560px;margin:0 auto 32px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
footer{background:var(--bg-dark);color:rgba(255,255,255,.7);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo{font-size:22px;margin-bottom:16px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.5);line-height:1.7}
.footer-col h5{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,.55);font-size:14px}
.footer-col ul li a:hover{color:var(--primary-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.4)}
@media (max-width:1024px){
.cat-grid{grid-template-columns:repeat(2,1fr)}
.flow-grid{grid-template-columns:repeat(2,1fr)}
.data-strip{grid-template-columns:repeat(2,1fr)}
.data-strip .data-item{border-bottom:1px solid rgba(255,255,255,.08)}
.data-strip .data-item:nth-child(2){border-right:none}
}
@media (max-width:768px){
.nav-links{display:none}
.nav-toggle{display:block}
.hero{min-height:auto;padding:120px 20px 80px}
.hero h1{font-size:34px}
.hero p{font-size:16px}
.intro-grid{grid-template-columns:1fr;gap:30px}
.intro-media img{min-height:260px}
.cat-grid{grid-template-columns:1fr}
.news-grid{grid-template-columns:1fr}
.news-card{flex-direction:column}
.news-thumb{width:100%!important;height:180px!important}
.flow-grid{grid-template-columns:1fr}
.data-strip{grid-template-columns:1fr}
.data-strip .data-item{border-right:none}
.faq-item .faq-answer{padding:0 20px 20px 44px}
.footer-grid{grid-template-columns:1fr}
.hero-stats{gap:20px}
.hero-stat .num{font-size:28px}
}
@media (max-width:520px){
.section{padding:60px 0}
.nav-inner{height:64px}
.mobile-menu{top:64px}
.hero{padding:100px 16px 60px}
.hero-buttons .btn{width:100%;justify-content:center}
.hero-stats{gap:12px}
.hero-stat{padding:0 10px}
.feature-list{grid-template-columns:1fr}
.footer-bottom{flex-direction:column;text-align:center}
}

/* roulang page: category1 */
:root {
  --primary: #131c2e;
  --primary-light: #1e2d4a;
  --secondary: #344e6c;
  --accent: #d93644;
  --accent-dark: #b92432;
  --bg: #f4f6fa;
  --bg-dark: #0c1220;
  --panel-dark: #141c2c;
  --text: #19232f;
  --text-muted: #607086;
  --white: #ffffff;
  --border: #e1e7ef;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(12, 18, 32, 0.06);
  --shadow-md: 0 8px 30px rgba(12, 18, 32, 0.10);
  --shadow-lg: 0 20px 60px rgba(12, 18, 32, 0.16);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 74px;
  --container: 1200px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button, input { font-family: inherit; font-size: inherit; border: none; outline: none; background: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 999px; font-weight: 600; font-size: 15px; cursor: pointer; transition: var(--transition); letter-spacing: 0.02em; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 18px rgba(217, 54, 68, 0.30); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 26px rgba(217, 54, 68, 0.40); }
.btn-outline { border: 2px solid rgba(255, 255, 255, 0.6); color: #fff; background: transparent; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.14); border-color: #fff; transform: translateY(-2px); }
.btn-dark { background: var(--primary); color: #fff; box-shadow: 0 4px 18px rgba(19, 28, 46, 0.25); }
.btn-dark:hover { background: #1c2944; transform: translateY(-2px); box-shadow: 0 8px 26px rgba(19, 28, 46, 0.35); }
.btn:focus-visible { outline: 3px solid rgba(217, 54, 68, 0.5); outline-offset: 2px; }

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid rgba(225, 231, 239, 0.5);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 4px 24px rgba(12, 18, 32, 0.08);
  border-bottom-color: rgba(225, 231, 239, 0.8);
}
.header-inner {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 21px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.logo i {
  color: var(--accent);
  font-size: 22px;
  filter: drop-shadow(0 2px 6px rgba(217, 54, 68, 0.3));
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 15px;
  color: var(--text);
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover { background: rgba(19, 28, 46, 0.06); color: var(--primary); }
.nav-links a.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(19, 28, 46, 0.22);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
}
.nav-links .nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(217, 54, 68, 0.28);
}
.nav-links .nav-cta:hover { background: var(--accent-dark); transform: translateY(-1px); color: #fff; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 20px;
  color: var(--primary);
  cursor: pointer;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}
.nav-toggle:hover { background: var(--bg); }

/* ========== Hero ========== */
.page-hero {
  position: relative;
  padding: 180px 0 100px;
  background:
    linear-gradient(135deg, rgba(10, 16, 30, 0.88) 0%, rgba(19, 28, 46, 0.78) 50%, rgba(30, 45, 74, 0.70) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: radial-gradient(circle at 80% 20%, rgba(217, 54, 68, 0.18), transparent 50%);
  pointer-events: none;
}
.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.hero-breadcrumb a:hover { color: #fff; }
.hero-breadcrumb i { font-size: 12px; opacity: 0.6; }
.hero-breadcrumb .current { color: #fff; font-weight: 500; }
.page-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.02em;
  max-width: 760px;
  margin-bottom: 18px;
}
.page-hero h1 .highlight { color: #fff; position: relative; }
.page-hero h1 .highlight::after {
  content: '';
  position: absolute;
  left: 0; bottom: 2px;
  width: 100%; height: 10px;
  background: var(--accent);
  opacity: 0.38;
  border-radius: 4px;
  z-index: -1;
}
.page-hero .hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 640px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-actions .btn i { font-size: 14px; }

/* Hero 状态条 */
.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 22px;
  backdrop-filter: blur(6px);
}
.hero-status .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(217, 54, 68, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(217, 54, 68, 0); }
}

/* ========== 通用板块 ========== */
.section { padding: 88px 0; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.section-tag::before {
  content: '';
  width: 22px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-head { max-width: 700px; margin-bottom: 48px; }
.section-head h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 800;
  margin: 14px 0 12px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--primary);
}
.section-head p { color: var(--text-muted); font-size: 16px; line-height: 1.75; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-tag.center { justify-content: center; }
.section-tag.center::before { display: none; }

/* ========== 分类简介 ========== */
.intro-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: center;
}
.intro-content h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.35;
  margin: 14px 0 18px;
}
.intro-content > p { color: var(--text-muted); font-size: 16px; line-height: 1.8; margin-bottom: 24px; }
.intro-list { display: grid; gap: 14px; }
.intro-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text);
}
.intro-list li i {
  color: var(--accent);
  font-size: 16px;
  margin-top: 4px;
  flex-shrink: 0;
}
.stats-panel {
  background: var(--panel-dark);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.stats-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--accent), transparent 80%);
}
.stat-card { text-align: center; }
.stat-card .num {
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}
.stat-card .num span { font-size: 20px; color: var(--accent); }
.stat-card .label { font-size: 13px; color: rgba(255, 255, 255, 0.55); margin-top: 6px; }
.stat-card .bar {
  width: 40px; height: 3px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  margin: 12px auto 0;
  position: relative;
  overflow: hidden;
}
.stat-card .bar::after {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 60%; height: 100%;
  background: var(--accent);
  border-radius: 3px;
}

/* ========== 项目卡片 ========== */
.projects-section { background: #fff; }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.program-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.program-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.program-card .cover {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.program-card .cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.program-card:hover .cover img { transform: scale(1.06); }
.program-card .cover::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(180deg, transparent 40%, rgba(12, 18, 32, 0.35));
}
.program-card .cover-tag {
  position: absolute;
  top: 16px; left: 16px;
  z-index: 2;
  padding: 6px 14px;
  background: rgba(12, 18, 32, 0.72);
  color: #fff;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  backdrop-filter: blur(6px);
}
.program-card .body { padding: 26px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.program-card .icon-wrap {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(19, 28, 46, 0.2);
}
.program-card h3 { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.program-card p { color: var(--text-muted); font-size: 14px; line-height: 1.7; flex: 1; margin-bottom: 18px; }
.program-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}
.program-card .card-link:hover { gap: 10px; color: var(--accent-dark); }
.program-card .card-link i { font-size: 12px; }

/* ========== 资讯列表 ========== */
.news-section { background: var(--bg); }
.news-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.post-item {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.post-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--accent);
  opacity: 0;
  transition: var(--transition);
}
.post-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: transparent; }
.post-item:hover::before { opacity: 1; }
.post-meta-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.post-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(217, 54, 68, 0.10);
  color: var(--accent);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.post-tag .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.post-item h3 { font-size: 19px; font-weight: 700; color: var(--primary); line-height: 1.45; margin-bottom: 10px; }
.post-item p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.post-meta { display: flex; gap: 20px; font-size: 13px; color: #8a99ad; }
.post-meta i { margin-right: 5px; font-size: 12px; }

/* ========== 流程面板 ========== */
.process-section {
  background: var(--bg-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(217, 54, 68, 0.12), transparent 70%);
  pointer-events: none;
}
.process-section .section-head h2 { color: #fff; }
.process-section .section-head p { color: rgba(255, 255, 255, 0.6); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  position: relative;
  padding: 32px 26px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.process-step:hover { background: rgba(255, 255, 255, 0.08); transform: translateY(-4px); }
.process-step .step-num {
  font-size: 34px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.12);
  line-height: 1;
  margin-bottom: 16px;
  font-family: "Arial Black", Arial, sans-serif;
}
.process-step .step-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: rgba(217, 54, 68, 0.2);
  border: 1px solid rgba(217, 54, 68, 0.3);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  margin-bottom: 18px;
}
.process-step h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 13px; color: rgba(255, 255, 255, 0.55); line-height: 1.7; }
.process-step .step-line {
  position: absolute;
  top: 50%; right: -24px;
  width: 24px; height: 2px;
  background: rgba(255, 255, 255, 0.12);
}
.process-step:last-child .step-line { display: none; }

/* ========== FAQ ========== */
.faq-section { background: #fff; }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
  background: #fff;
}
.faq-item.active { border-color: rgba(217, 54, 68, 0.3); box-shadow: var(--shadow-sm); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  user-select: none;
}
.faq-question .faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(19, 28, 46, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--accent);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--accent); color: #fff; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  padding: 0 24px;
}
.faq-item.active .faq-answer { max-height: 300px; padding-bottom: 20px; }
.faq-answer p { font-size: 14px; color: var(--text-muted); line-height: 1.75; padding-top: 4px; border-top: 1px dashed var(--border); }

/* ========== CTA ========== */
.cta-section {
  padding: 80px 0;
  position: relative;
  background:
    linear-gradient(100deg, rgba(12, 18, 32, 0.92), rgba(19, 28, 46, 0.86)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
}
.cta-section h2 {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto 32px;
}
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ========== 页脚 ========== */
footer {
  background: #0c1220;
  color: #8896a8;
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr 0.8fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .logo { color: #fff; font-size: 20px; margin-bottom: 16px; display: inline-flex; }
.footer-brand .logo i { color: var(--accent); }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 360px; margin-top: 14px; }
.footer-col h5 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h5::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 24px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-col ul { display: grid; gap: 12px; }
.footer-col ul li a { font-size: 14px; color: #8896a8; transition: var(--transition); }
.footer-col ul li a:hover { color: #fff; padding-left: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom p { display: inline-flex; align-items: center; gap: 8px; }
.footer-bottom i { color: rgba(255, 255, 255, 0.3); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .news-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 0.6fr 0.8fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transform: translateY(-130%);
    opacity: 0;
    transition: var(--transition);
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; }
  .nav-links a { padding: 12px 20px; border-radius: 10px; text-align: center; font-size: 16px; }
  .nav-links .nav-cta { margin-top: 6px; }
  .cards-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .process-step .step-line { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .page-hero { padding: 150px 0 70px; }
  .page-hero h1 { font-size: 30px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .stats-panel { padding: 28px 20px; }
  .stat-card .num { font-size: 32px; }
  .faq-question { font-size: 15px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo { font-size: 17px; }
  .cards-grid { gap: 20px; }
  .post-item { padding: 22px 20px; }
  .news-wrap { gap: 20px; }
  .hero-status { font-size: 12px; padding: 6px 14px; }
  .page-hero .hero-desc { font-size: 15px; }
  .cta-actions .btn { width: 100%; justify-content: center; }
  .footer-grid { padding-bottom: 32px; }
}

/* roulang page: article */
:root {
  --primary: #E63946;
  --primary-dark: #C42E3A;
  --primary-light: #FDE8E9;
  --secondary: #1D3557;
  --secondary-light: #2B4C7E;
  --dark: #0B1524;
  --dark-2: #12203A;
  --bg: #F4F6FA;
  --bg-alt: #FFFFFF;
  --text: #182337;
  --text-weak: #68778D;
  --border: #E2E8F0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 6px 24px rgba(17, 24, 39, 0.06);
  --shadow-lg: 0 18px 44px rgba(17, 24, 39, 0.12);
  --container: 1200px;
  --gap: 24px;
  --transition: 0.25s ease;
}
* { 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;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul, ol { list-style: none; }
button, input, select { font: inherit; border: none; outline: none; }
.container { width: min(92%, var(--container)); margin-inline: auto; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.02em;
}
.btn i { font-size: 14px; }
.btn-primary {
  background: linear-gradient(135deg, #E63946, #D32F3B);
  color: #fff;
  box-shadow: 0 8px 22px rgba(230, 57, 70, 0.28);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #D32F3B, #C42E3A);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(230, 57, 70, 0.35);
  color: #fff;
}
.btn-outline {
  border: 2px solid rgba(255,255,255,0.7);
  color: #fff;
  background: transparent;
  backdrop-filter: blur(6px);
}
.btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.12);
  transform: translateY(-2px);
  color: #fff;
}
.btn-outline-dark {
  border: 2px solid var(--secondary);
  color: var(--secondary);
  background: transparent;
}
.btn-outline-dark:hover {
  background: var(--secondary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(29, 53, 87, 0.18);
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(7, 16, 30, 0.62);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: all 0.4s ease;
}
.site-header.scrolled {
  background: rgba(10, 20, 38, 0.96);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.2);
  border-bottom-color: rgba(255, 255, 255, 0.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.logo i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #E63946, #FF6B6B);
  color: #fff;
  font-size: 16px;
  box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 40px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.82);
  transition: all 0.28s ease;
  white-space: nowrap;
}
.nav-links > a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.09);
}
.nav-links > a.active {
  color: #fff;
  background: rgba(230, 57, 70, 0.22);
  box-shadow: inset 0 0 0 1px rgba(230, 57, 70, 0.4);
}
.nav-links > a.active::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #E63946;
  box-shadow: 0 0 10px rgba(230, 57, 70, 0.8);
  display: inline-block;
  margin-right: 4px;
}
.nav-links .nav-cta {
  background: linear-gradient(135deg, #E63946, #D32F3B);
  color: #fff;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 40px;
  box-shadow: 0 6px 20px rgba(230, 57, 70, 0.3);
  margin-left: 6px;
}
.nav-links .nav-cta:hover {
  background: linear-gradient(135deg, #D32F3B, #C42E3A);
  transform: translateY(-1px);
  color: #fff;
  box-shadow: 0 10px 26px rgba(230, 57, 70, 0.42);
}
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}
.nav-toggle:hover { background: rgba(255, 255, 255, 0.16); }

/* ===== Hero ===== */
.article-hero {
  position: relative;
  padding: 148px 0 88px;
  background:
    linear-gradient(128deg, rgba(7, 14, 28, 0.94) 0%, rgba(15, 27, 51, 0.88) 45%, rgba(29, 53, 87, 0.76) 100%),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.article-hero::after {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.35), transparent 65%);
  pointer-events: none;
  z-index: 0;
}
.article-hero::before {
  content: "";
  position: absolute;
  bottom: -60px; left: -80px;
  width: 300px; height: 300px;
  border: 2px solid rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 860px; }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 22px;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.8); transition: color 0.2s; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span.sep { color: rgba(255, 255, 255, 0.4); }
.breadcrumb .current { color: #E63946; font-weight: 600; }
.status-bar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: 40px;
  background: rgba(230, 57, 70, 0.14);
  border: 1px solid rgba(230, 57, 70, 0.35);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #ffb3b8;
  margin-bottom: 20px;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #E63946;
  box-shadow: 0 0 10px #E63946;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}
.page-h1 {
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: 18px;
  word-break: break-word;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.meta-item i { color: rgba(255, 255, 255, 0.5); font-size: 13px; }
.meta-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-weight: 500;
}
.meta-cat i { color: #E63946; }

/* ===== Article Section ===== */
.article-section { padding: 72px 0 56px; }
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 44px;
  align-items: start;
}
.article-main { min-width: 0; }
.article-card {
  background: #fff;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 42px 46px;
  position: relative;
  overflow: hidden;
}
.article-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #E63946, #FF6B6B, transparent);
  opacity: 0.8;
}
.article-body { font-size: 16px; line-height: 1.9; color: #2c3a52; }
.article-body p { margin: 0 0 22px; }
.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--secondary);
  margin: 40px 0 18px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  line-height: 1.4;
}
.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--secondary);
  margin: 32px 0 14px;
}
.article-body ul {
  margin: 0 0 22px;
  padding-left: 4px;
}
.article-body ul li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
}
.article-body ul li::before {
  content: "";
  position: absolute;
  left: 6px; top: 13px;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--primary);
  transform: rotate(45deg);
}
.article-body ol {
  margin: 0 0 22px;
  padding-left: 20px;
  counter-reset: item;
}
.article-body ol li {
  position: relative;
  padding-left: 12px;
  margin-bottom: 10px;
  counter-increment: item;
}
.article-body ol li::before {
  content: counter(item) ".";
  color: var(--primary);
  font-weight: 700;
  margin-right: 8px;
}
.article-body blockquote {
  margin: 28px 0;
  padding: 22px 26px;
  background: linear-gradient(135deg, #fef4f4, #fff);
  border-left: 4px solid var(--primary);
  border-radius: 0 14px 14px 0;
  font-size: 16px;
  color: #4a5568;
  font-style: italic;
}
.article-body blockquote p { margin: 0; }
.article-body img {
  border-radius: 16px;
  box-shadow: var(--shadow);
  margin: 24px 0;
}
.article-body a:not([class]) {
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.article-body a:not([class]):hover { color: var(--primary-dark); }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.article-body th, .article-body td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
}
.article-body th {
  background: var(--secondary);
  color: #fff;
  font-weight: 600;
}
.not-found {
  text-align: center;
  padding: 70px 30px;
}
.not-found-icon {
  width: 84px; height: 84px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), #fff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  color: var(--primary);
  border: 2px dashed var(--primary);
}
.not-found h2 {
  font-size: 24px;
  color: var(--secondary);
  margin-bottom: 12px;
}
.not-found p {
  color: var(--text-weak);
  margin-bottom: 30px;
  font-size: 15px;
}
.not-found .btn { margin: 0 6px; }

/* Sidebar */
.article-sidebar { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 22px; }
.side-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}
.side-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--secondary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--bg);
}
.side-card h3::before {
  content: "";
  width: 12px; height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), #FF6B6B);
}
.side-card ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  font-size: 14px;
  color: var(--text);
  border-bottom: 1px dashed var(--border);
}
.side-card ul li:last-child { border-bottom: none; }
.side-card ul li i {
  color: var(--primary);
  font-size: 13px;
  width: 18px;
  text-align: center;
}
.side-card ul li a { color: var(--text); }
.side-card ul li a:hover { color: var(--primary); }
.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.side-tags a {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: 30px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-weak);
  transition: all 0.25s;
}
.side-tags a:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}
.side-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.side-stat {
  background: linear-gradient(145deg, var(--secondary), var(--secondary-light));
  border-radius: 12px;
  padding: 16px 14px;
  text-align: center;
  color: #fff;
}
.side-stat b {
  display: block;
  font-size: 24px;
  font-weight: 800;
  line-height: 1.3;
}
.side-stat span { font-size: 12px; opacity: 0.75; }

/* ===== Related Section ===== */
.related-section {
  padding: 72px 0;
  background: #fff;
  border-top: 1px solid var(--border);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: -0.01em;
  position: relative;
  padding-bottom: 14px;
}
.section-head h2::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 56px; height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), #FF6B6B);
}
.section-head .more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
}
.section-head .more-link:hover { gap: 10px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.news-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.news-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--dark);
}
.news-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .news-thumb img { transform: scale(1.06); }
.news-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(7, 14, 28, 0.55));
}
.news-cat {
  position: absolute;
  z-index: 2;
  top: 14px; left: 14px;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(230, 57, 70, 0.9);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.news-info { padding: 20px 20px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-info h3 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 48px;
  transition: color 0.2s;
}
.news-card:hover .news-info h3 { color: var(--primary); }
.news-info p {
  font-size: 13px;
  color: var(--text-weak);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-weak);
  padding-top: 10px;
  border-top: 1px solid var(--bg);
}
.news-meta span { display: inline-flex; align-items: center; gap: 6px; }
.empty-text {
  padding: 50px;
  text-align: center;
  color: var(--text-weak);
  background: #fff;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}

/* ===== FAQ Section ===== */
.faq-section {
  padding: 80px 0;
  background:
    linear-gradient(160deg, #0B1524 0%, #132337 60%, #1D3557 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.faq-section::before {
  content: "";
  position: absolute;
  right: -120px; top: -120px;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.28), transparent 70%);
}
.faq-section .section-head h2 { color: #fff; }
.faq-section .section-head h2::after { background: linear-gradient(90deg, #E63946, #FF6B6B); }
.faq-section .section-head .more-link { color: rgba(255,255,255,0.7); }
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.faq-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 14px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.faq-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
}
.faq-item.open {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(230, 57, 70, 0.4);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
}
.faq-question h3 {
  font-size: 15px;
  font-weight: 600;
  color: #f1f5f9;
  line-height: 1.5;
}
.faq-question i {
  flex-shrink: 0;
  width: 24px; height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 12px;
  transition: transform 0.3s ease;
}
.faq-item.open .faq-question i { transform: rotate(45deg); background: var(--primary); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p {
  padding: 0 24px 22px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
}

/* ===== CTA Section ===== */
.cta-section { padding: 70px 0; }
.cta-card {
  position: relative;
  border-radius: 24px;
  padding: 56px 60px;
  background:
    linear-gradient(120deg, rgba(7, 14, 28, 0.93), rgba(29, 53, 87, 0.88)),
    url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  color: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  box-shadow: 0 24px 60px rgba(11, 21, 36, 0.4);
}
.cta-card::before {
  content: "";
  position: absolute;
  top: -60px; right: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.4), transparent 70%);
}
.cta-content { position: relative; z-index: 2; max-width: 560px; }
.cta-content h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
}
.cta-content p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  position: relative;
  z-index: 2;
}
.cta-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 18px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  min-width: 320px;
  position: relative;
  z-index: 2;
}
.cta-stat {
  text-align: center;
  padding: 10px 8px;
}
.cta-stat b {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
}
.cta-stat b span { color: #E63946; }
.cta-stat small {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.05em;
}

/* ===== Footer ===== */
footer {
  background: #0B1524;
  color: #8494A8;
  padding: 64px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
}
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  max-width: 360px;
}
.footer-col h5 {
  font-size: 15px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h5::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 24px; height: 3px;
  border-radius: 3px;
  background: var(--primary);
}
.footer-col ul li {
  padding: 5px 0;
}
.footer-col ul li a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  transition: all 0.25s;
}
.footer-col ul li a:hover {
  color: #fff;
  padding-left: 6px;
}
.footer-col ul li a i {
  color: var(--primary);
  font-size: 12px;
  margin-right: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom i { color: #E63946; margin-right: 4px; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; gap: 32px; }
  .article-sidebar {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .side-card { flex: 1; min-width: 260px; }
  .cta-card { flex-direction: column; padding: 46px 40px; }
  .cta-content { max-width: 100%; }
  .cta-stats { width: 100%; min-width: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    top: 72px;
    left: 16px; right: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 16px;
    background: rgba(10, 20, 38, 0.97);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.4);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(20px);
  }
  .nav-links.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-links > a {
    padding: 12px 18px;
    border-radius: 12px;
    justify-content: flex-start;
    font-size: 15px;
  }
  .nav-links .nav-cta { margin-left: 0; justify-content: center; }
  .article-hero { padding: 130px 0 70px; }
  .article-card { padding: 28px 22px; border-radius: 16px; }
  .related-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .faq-grid { grid-template-columns: 1fr; gap: 14px; }
  .cta-card { padding: 40px 24px; border-radius: 18px; }
  .cta-stats { grid-template-columns: 1fr 1fr 1fr; gap: 8px; padding: 16px; }
  .cta-stat b { font-size: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .header-inner { height: 64px; }
  .logo { font-size: 17px; }
  .logo i { width: 32px; height: 32px; font-size: 14px; }
  .nav-links { top: 64px; }
  .article-hero { padding: 118px 0 56px; }
  .page-h1 { font-size: 24px; }
  .article-meta { gap: 12px; font-size: 12px; }
  .article-card { padding: 22px 16px; }
  .article-body { font-size: 15px; }
  .article-body blockquote { padding: 16px 18px; }
  .related-grid { grid-template-columns: 1fr; gap: 14px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .cta-stats { grid-template-columns: 1fr; gap: 14px; }
  .cta-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}