/* roulang page: index */
:root{--primary:#0f4c81;--primary-light:#1a6bb0;--accent:#f0a500;--accent-dark:#d18e00;--dark:#0b1f33;--bg:#f5f8fc;--card:#ffffff;--text:#1e2a3a;--muted:#61738a;--border:#e5edf5;--radius:14px;--shadow:0 8px 30px rgba(15,76,129,.08);--shadow-lg:0 18px 45px rgba(15,76,129,.14);--transition:all .3s ease}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
ul,ol{list-style:none}
button,input{font-family:inherit;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 48px}
.section-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(15,76,129,.08);color:var(--primary);font-size:13px;font-weight:600;padding:6px 18px;border-radius:30px;margin-bottom:14px;letter-spacing:.5px}
.section-title{font-size:36px;font-weight:800;color:var(--dark);line-height:1.3;margin-bottom:14px}
.section-desc{color:var(--muted);font-size:16px;line-height:1.8}
/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(229,237,245,.8);box-shadow:0 2px 12px rgba(15,76,129,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--dark);white-space:nowrap}
.logo-icon{width:38px;height:38px;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 4px 12px rgba(15,76,129,.25)}
.logo span{background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.main-nav{display:flex;align-items:center;gap:8px}
.main-nav a{padding:8px 16px;border-radius:30px;font-size:15px;font-weight:500;color:var(--muted)}
.main-nav a:hover{color:var(--primary);background:rgba(15,76,129,.06)}
.main-nav a.active{color:var(--primary);background:rgba(15,76,129,.1);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.search-box{position:relative}
.search-box input{width:190px;height:38px;border:1px solid var(--border);border-radius:30px;padding:0 40px 0 16px;font-size:14px;background:#f8fafc;transition:var(--transition)}
.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,76,129,.1);width:220px}
.search-box i{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;border-radius:30px;font-size:15px;font-weight:600;border:none;cursor:pointer;transition:var(--transition);line-height:1.4}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;box-shadow:0 6px 18px rgba(15,76,129,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,76,129,.4)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;box-shadow:0 6px 18px rgba(240,165,0,.3)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(240,165,0,.4)}
.btn-outline{background:transparent;border:1.5px solid rgba(255,255,255,.7);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.15);border-color:#fff}
.btn-lg{padding:14px 36px;font-size:16px}
.hamburger{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center;font-size:18px;color:var(--dark)}
/* ===== Hero ===== */
.hero{position:relative;background:url('/assets/images/backpic/back-1.png') no-repeat center/cover;padding:140px 0 120px;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,31,51,.72) 0%,rgba(11,31,51,.55) 50%,rgba(11,31,51,.78) 100%)}
.hero-content{position:relative;color:#fff;max-width:760px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(8px);padding:6px 18px;border-radius:30px;font-size:13px;font-weight:500;margin-bottom:24px}
.hero-badge i{color:var(--accent)}
.hero h1{font-size:52px;font-weight:900;line-height:1.25;margin-bottom:20px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{font-size:18px;color:rgba(255,255,255,.9);max-width:600px;line-height:1.85;margin-bottom:36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{position:relative;display:flex;gap:40px;margin-top:56px;padding-top:36px;border-top:1px solid rgba(255,255,255,.2)}
.hero-stat h3{font-size:30px;font-weight:800;color:#fff}
.hero-stat h3 i{color:var(--accent);font-size:24px;margin-right:6px}
.hero-stat p{font-size:14px;color:rgba(255,255,255,.75);margin-top:2px}
/* ===== Feature Cards ===== */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{background:var(--card);border-radius:var(--radius);padding:32px 26px;border:1px solid var(--border);box-shadow:var(--shadow);transition:var(--transition);position:relative;overflow:hidden}
.feature-card::after{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:var(--transition)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.feature-card:hover::after{opacity:1}
.feature-icon{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;background:rgba(15,76,129,.1);color:var(--primary)}
.feature-card:nth-child(2) .feature-icon{background:rgba(240,165,0,.12);color:var(--accent-dark)}
.feature-card:nth-child(3) .feature-icon{background:rgba(22,163,74,.1);color:#16a34a}
.feature-card:nth-child(4) .feature-icon{background:rgba(147,51,234,.1);color:#9333ea}
.feature-card h3{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--muted);line-height:1.7}
/* ===== Category Cards ===== */
.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);box-shadow:var(--shadow);transition:var(--transition);position:relative}
.cat-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.cat-media{position:relative;height:200px;overflow:hidden}
.cat-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.cat-card:hover .cat-media img{transform:scale(1.08)}
.cat-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(11,31,51,.5))}
.cat-badge{position:absolute;top:16px;left:16px;z-index:2;background:rgba(255,255,255,.95);color:var(--primary);font-size:13px;font-weight:700;padding:5px 14px;border-radius:20px;box-shadow:0 4px 12px rgba(0,0,0,.15)}
.cat-body{padding:24px 24px 28px}
.cat-body h3{font-size:20px;font-weight:700;color:var(--dark);margin-bottom:10px}
.cat-body p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:18px}
.cat-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary)}
.cat-link:hover{gap:12px;color:var(--accent-dark)}
/* ===== About/Info Section ===== */
.info-section{background:var(--dark);position:relative;overflow:hidden}
.info-section .section-tag{background:rgba(255,255,255,.1);color:var(--accent)}
.info-section .section-title{color:#fff}
.info-section .section-desc{color:rgba(255,255,255,.7)}
.info-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.info-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:0 24px 50px rgba(0,0,0,.3)}
.info-media img{width:100%;height:400px;object-fit:cover}
.info-card{background:var(--card);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.info-card h4{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:10px;display:flex;align-items:center;gap:10px}
.info-card h4 i{color:var(--primary);width:24px;text-align:center}
.info-card p{font-size:14px;color:var(--muted);line-height:1.75}
.info-list{margin-top:20px;display:flex;flex-direction:column;gap:14px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 14px;border-radius:20px;font-size:12px;font-weight:600}
.badge-primary{background:rgba(15,76,129,.1);color:var(--primary)}
.badge-accent{background:rgba(240,165,0,.12);color:var(--accent-dark)}
.badge-green{background:rgba(22,163,74,.1);color:#16a34a}
/* ===== News List ===== */
.news-section{background:#fff}
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.news-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:var(--transition);display:flex;flex-direction:column;gap:10px}
.news-item:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-3px)}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.news-item h3{font-size:16px;font-weight:700;line-height:1.5;color:var(--dark)}
.news-item h3 a:hover{color:var(--primary)}
.news-item p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-date{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.news-more{text-align:center;margin-top:40px}
/* ===== Process ===== */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:24px}
.process-step{position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px 24px;text-align:center;transition:var(--transition)}
.process-step:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.step-num{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;font-size:18px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 6px 16px rgba(15,76,129,.25)}
.process-step h3{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:8px}
.process-step p{font-size:14px;color:var(--muted);line-height:1.7}
.process-arrow{position:absolute;top:50%;right:-16px;transform:translateY(-50%);color:var(--primary-light);font-size:16px;z-index:2}
/* ===== FAQ ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:var(--transition)}
.faq-item.active{border-color:var(--primary);box-shadow:var(--shadow)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:20px 26px;cursor:pointer;font-size:16px;font-weight:600;color:var(--dark);gap:16px}
.faq-q i{color:var(--primary);font-size:14px;transition:transform .3s;flex-shrink:0}
.faq-item.active .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a-inner{padding:0 26px 22px;color:var(--muted);font-size:15px;line-height:1.85;border-top:1px dashed var(--border);padding-top:16px}
/* ===== CTA ===== */
.cta-section{background:linear-gradient(135deg,var(--primary) 0%,var(--dark) 100%);position:relative;overflow:hidden;text-align:center;color:#fff;padding:90px 0}
.cta-section::before{content:'';position:absolute;top:-50%;right:-20%;width:500px;height:500px;background:rgba(255,255,255,.04);border-radius:50%}
.cta-section::after{content:'';position:absolute;bottom:-60%;left:-10%;width:400px;height:400px;background:rgba(240,165,0,.08);border-radius:50%}
.cta-inner{position:relative;z-index:2}
.cta-inner h2{font-size:40px;font-weight:800;margin-bottom:16px}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.85);max-width:560px;margin:0 auto 36px}
/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:44px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo span{-webkit-text-fill-color:initial;color:var(--accent);background:none}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.6)}
.footer-links a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:14px;color:rgba(255,255,255,.6)}
.footer-contact i{color:var(--accent);width:18px}
.footer-bottom{padding-top:28px;text-align:center;font-size:13px;color:rgba(255,255,255,.4)}
/* ===== Media Queries ===== */
@media(max-width:1024px){
    .features-grid{grid-template-columns:repeat(2,1fr)}
    .info-grid{grid-template-columns:1fr}
    .process-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
    .section{padding:56px 0}
    .hero{padding:100px 0 80px}
    .hero h1{font-size:36px}
    .hero p{font-size:16px}
    .main-nav{display:none}
    .hamburger{display:flex}
    .main-nav.open{display:flex;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px 24px;box-shadow:0 12px 30px rgba(0,0,0,.12);border-bottom:1px solid var(--border)}
    .main-nav.open a{width:100%;padding:12px 16px}
    .header-actions .search-box{display:none}
    .news-grid{grid-template-columns:1fr}
    .cat-grid{grid-template-columns:1fr 1fr}
    .hero-stats{flex-wrap:wrap;gap:20px}
    .hero-stat{flex:1 1 40%}
}
@media(max-width:520px){
    .header-inner{height:60px}
    .logo{font-size:17px}
    .btn-header{display:none}
    .cat-grid{grid-template-columns:1fr}
    .features-grid{grid-template-columns:1fr}
    .process-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .section-title{font-size:28px}
    .hero h1{font-size:30px}
    .cta-inner h2{font-size:30px}
    .hero-stats{flex-direction:column}
}

/* roulang page: category1 */
:root {
  --primary: #16284e;
  --primary-light: #2e4f8d;
  --secondary: #3b6fb0;
  --accent: #f0a03a;
  --accent-hover: #d9861f;
  --bg: #f5f7fc;
  --bg-deep: #eef1f7;
  --white: #ffffff;
  --text: #1c2440;
  --text-light: #687294;
  --border: #e3e8f2;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(22, 40, 78, 0.08);
  --shadow-lg: 0 20px 50px rgba(22, 40, 78, 0.12);
  --transition: all 0.3s ease;
  --font: -apple-system, "SF Pro SC", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; font-size: 16px; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
input, textarea { font-family: var(--font); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 88px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .section-tag { display: inline-block; background: rgba(240, 160, 58, 0.12); color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: 1px; padding: 6px 18px; border-radius: 40px; margin-bottom: 16px; text-transform: uppercase; }
.section-head h2 { font-size: 38px; line-height: 1.3; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.section-head p { color: var(--text-light); margin-top: 14px; font-size: 16px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.site-header .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--primary); white-space: nowrap; }
.logo:hover { color: var(--primary); }
.logo-icon { width: 38px; height: 38px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; box-shadow: 0 4px 14px rgba(22, 40, 78, 0.25); }
.main-nav { display: flex; gap: 6px; flex: 1; justify-content: center; }
.main-nav a { padding: 8px 16px; border-radius: 20px; font-size: 15px; font-weight: 500; color: var(--text); position: relative; }
.main-nav a:hover { color: var(--accent); background: rgba(240, 160, 58, 0.08); }
.main-nav a.active { color: var(--primary); font-weight: 700; background: rgba(46, 79, 141, 0.1); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.search-toggle { width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--text); transition: var(--transition); }
.search-toggle:hover { background: var(--bg-deep); color: var(--accent); }
.menu-toggle { display: none; width: 40px; height: 40px; border-radius: 8px; align-items: center; justify-content: center; font-size: 20px; color: var(--primary); }
.menu-toggle:hover { background: var(--bg-deep); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 30px; font-weight: 600; font-size: 14px; padding: 12px 28px; transition: var(--transition); white-space: nowrap; border: 2px solid transparent; }
.btn-sm { padding: 8px 20px; font-size: 13px; border-radius: 22px; }
.btn lg { padding: 16px 40px; font-size: 16px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 20px rgba(22, 40, 78, 0.25); }
.btn-primary:hover { background: var(--primary-light); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 30px rgba(22, 40, 78, 0.3); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 6px 20px rgba(240, 160, 58, 0.28); }
.btn-accent:hover { background: var(--accent-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 30px rgba(240, 160, 58, 0.36); }
.btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-white { background: #fff; color: var(--primary); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18); color: var(--primary); }
.btn:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(240, 160, 58, 0.5); outline-offset: 2px; }

/* Page Banner */
.page-banner { position: relative; padding: 120px 0 140px; background-size: cover; background-position: center; color: #fff; overflow: hidden; }
.page-banner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10, 22, 50, 0.88) 0%, rgba(22, 40, 78, 0.7) 50%, rgba(22, 40, 78, 0.35) 100%); }
.page-banner .banner-inner { position: relative; z-index: 2; }
.page-banner .banner-tag { display: inline-block; background: rgba(255, 255, 255, 0.18); border: 1px solid rgba(255, 255, 255, 0.3); padding: 6px 18px; border-radius: 30px; font-size: 13px; font-weight: 600; letter-spacing: 1px; margin-bottom: 20px; color: rgba(255, 255, 255, 0.95); }
.page-banner h1 { font-size: 52px; font-weight: 800; line-height: 1.2; margin-bottom: 20px; letter-spacing: -1px; }
.page-banner p { font-size: 18px; max-width: 640px; color: rgba(255, 255, 255, 0.85); margin-bottom: 32px; }
.page-banner .banner-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Card */
.card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); overflow: hidden; transition: var(--transition); }
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.card-img { position: relative; overflow: hidden; }
.card-img img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform 0.5s ease; }
.card:hover .card-img img { transform: scale(1.05); }
.card-body { padding: 26px; }
.card-body h3 { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 10px; line-height: 1.4; }
.card-body h3 a { color: inherit; }
.card-body h3 a:hover { color: var(--accent); }
.card-body p { color: var(--text-light); font-size: 14px; margin-bottom: 16px; line-height: 1.7; }
.card-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-light); }
.card-meta i { color: var(--accent); }

/* Badge / Tag */
.tag { display: inline-block; padding: 4px 14px; border-radius: 20px; font-size: 12px; font-weight: 600; background: rgba(46, 79, 141, 0.1); color: var(--primary-light); margin-right: 6px; }
.tag-accent { background: rgba(240, 160, 58, 0.15); color: #b5681a; }
.tag-green { background: rgba(52, 168, 83, 0.12); color: #1e8a3e; }
.tag-dark { background: var(--primary); color: #fff; }

/* Feature Cards */
.feature-card { text-align: center; padding: 40px 30px; }
.feature-card .feature-icon { width: 70px; height: 70px; border-radius: 22px; background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; font-size: 28px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; box-shadow: 0 8px 24px rgba(46, 79, 141, 0.22); }
.feature-card h3 { font-size: 20px; color: var(--primary); margin-bottom: 12px; font-weight: 700; }
.feature-card p { color: var(--text-light); font-size: 14px; }

/* Showcase */
.showcase-block { background: var(--white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); }
.showcase-block .showcase-img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.showcase-content { padding: 40px; }
.showcase-content .showcase-tag { font-size: 12px; font-weight: 700; letter-spacing: 1px; color: var(--accent); text-transform: uppercase; margin-bottom: 10px; display: block; }
.showcase-content h3 { font-size: 24px; font-weight: 800; color: var(--primary); line-height: 1.4; margin-bottom: 14px; }
.showcase-content p { color: var(--text-light); margin-bottom: 18px; font-size: 15px; }
.showcase-list { list-style: none; margin: 0; }
.showcase-list li { display: flex; align-items: center; gap: 10px; padding: 8px 0; color: var(--text); font-size: 14px; }
.showcase-list li i { color: var(--accent); font-size: 14px; }

/* Process */
.process-section { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.process-item { text-align: center; position: relative; padding: 20px 16px; }
.process-item .process-step { width: 56px; height: 56px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 800; font-size: 20px; display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; position: relative; box-shadow: 0 8px 20px rgba(22, 40, 78, 0.2); }
.process-item .process-step::after { content: ""; position: absolute; top: 50%; left: calc(100% + 8px); width: calc(100% + 8px); height: 2px; background: repeating-linear-gradient(90deg, var(--accent) 0 4px, transparent 4px 8px); display: none; }
.row .columns:last-child .process-item .process-step::after { display: none; }
.process-item h3 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.process-item p { font-size: 13px; color: var(--text-light); }

/* Stats */
.stats-wrap { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); border-radius: 24px; padding: 56px 40px; color: #fff; position: relative; overflow: hidden; }
.stats-wrap::before { content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%; background: rgba(255, 255, 255, 0.06); top: -80px; right: -40px; }
.stats-item { text-align: center; padding: 16px; }
.stats-item .stats-num { font-size: 46px; font-weight: 800; letter-spacing: -1px; background: linear-gradient(135deg, #ffd8a0, #f0a03a); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stats-item .stats-label { color: rgba(255, 255, 255, 0.72); font-size: 14px; margin-top: 4px; }

/* Content Cards */
.content-card { display: flex; gap: 20px; padding: 20px; background: var(--white); border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); transition: var(--transition); margin-bottom: 18px; }
.content-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.content-card .content-thumb { width: 120px; height: 88px; border-radius: 12px; object-fit: cover; flex-shrink: 0; background: var(--bg-deep); }
.content-card .content-info h3 { font-size: 17px; font-weight: 700; color: var(--primary); line-height: 1.4; margin-bottom: 6px; }
.content-card .content-info h3 a { color: inherit; }
.content-card .content-info h3 a:hover { color: var(--accent); }
.content-card .content-info p { font-size: 13px; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.content-card .content-info .content-meta { margin-top: 8px; font-size: 12px; color: var(--text-light); display: flex; gap: 12px; align-items: center; }
.content-card .content-info .content-meta i { color: var(--accent); }

/* Rank List */
.rank-list { background: var(--white); border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); padding: 28px; }
.rank-list h3 { font-size: 20px; font-weight: 800; color: var(--primary); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.rank-list h3 i { color: var(--accent); }
.rank-list .rank-item { display: flex; align-items: center; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--bg-deep); }
.rank-list .rank-item:last-child { border-bottom: none; }
.rank-num { width: 30px; height: 30px; border-radius: 10px; background: var(--bg-deep); color: var(--text-light); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; flex-shrink: 0; }
.rank-item:first-child .rank-num { background: linear-gradient(135deg, var(--accent), #f7c46a); color: #fff; }
.rank-item:nth-child(2) .rank-num { background: rgba(46, 79, 141, 0.12); color: var(--primary); }
.rank-item:nth-child(3) .rank-num { background: rgba(46, 79, 141, 0.08); color: var(--primary); }
.rank-item a { color: var(--text); font-size: 14px; flex: 1; line-height: 1.4; }
.rank-item a:hover { color: var(--accent); }

/* FAQ */
.faq-item { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(240, 160, 58, 0.4); box-shadow: var(--shadow); }
.faq-item .faq-q { width: 100%; text-align: left; padding: 22px 24px; font-size: 16px; font-weight: 600; color: var(--primary); display: flex; align-items: center; gap: 12px; transition: var(--transition); }
.faq-item .faq-q i { color: var(--accent); transition: transform 0.3s ease; }
.faq-item .faq-q .faq-arrow { margin-left: auto; color: var(--text-light); font-size: 14px; transition: transform 0.3s ease; }
.faq-item.active .faq-q { color: var(--accent); }
.faq-item.active .faq-q .faq-arrow { transform: rotate(180deg); }
.faq-item .faq-a { max-height: 0; overflow: hidden; padding: 0 24px; color: var(--text-light); font-size: 15px; line-height: 1.8; transition: max-height 0.35s ease, padding 0.35s ease; }
.faq-item.active .faq-a { max-height: 300px; padding: 4px 24px 22px; }

/* CTA */
.cta-section { background: linear-gradient(120deg, var(--primary) 0%, #1d315e 60%, #2e4f8d 100%); padding: 96px 0; text-align: center; color: #fff; position: relative; overflow: hidden; }
.cta-section::before { content: ""; position: absolute; width: 500px; height: 500px; border-radius: 50%; background: rgba(240, 160, 58, 0.1); top: -220px; right: -120px; }
.cta-section::after { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: rgba(255, 255, 255, 0.05); bottom: -120px; left: -80px; }
.cta-inner { position: relative; z-index: 2; }
.cta-inner h2 { font-size: 40px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 16px; }
.cta-inner p { color: rgba(255, 255, 255, 0.75); max-width: 560px; margin: 0 auto 32px; font-size: 17px; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer { background: #0f1730; color: rgba(255, 255, 255, 0.65); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.footer-brand .logo { color: #fff; font-size: 18px; }
.footer-brand .logo-icon { background: linear-gradient(135deg, var(--accent), #f7c46a); color: var(--primary); }
.footer-brand p { font-size: 14px; margin-top: 16px; line-height: 1.8; max-width: 300px; }
.footer-title { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 18px; }
.footer-links { list-style: none; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, 0.6); font-size: 14px; }
.footer-links a:hover { color: var(--accent); }
.footer-contact { list-style: none; margin: 0; }
.footer-contact li { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 14px; color: rgba(255, 255, 255, 0.6); }
.footer-contact i { color: var(--accent); font-size: 14px; }
.footer-bottom { padding: 24px 0; text-align: center; font-size: 13px; color: rgba(255, 255, 255, 0.4); }

/* Responsive */
@media (max-width: 1024px) {
  .main-nav { gap: 2px; }
  .main-nav a { padding: 8px 12px; font-size: 14px; }
  .header-actions .btn-outline { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 768px) {
  .section-pad { padding: 60px 0; }
  .section-head h2 { font-size: 28px; }
  .main-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px 20px; box-shadow: 0 20px 40px rgba(22, 40, 78, 0.12); border-bottom: 1px solid var(--border); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 14px; font-size: 15px; }
  .menu-toggle { display: flex; }
  .header-actions { gap: 0; }
  .header-actions .btn-sm { display: none; }
  .page-banner { padding: 80px 0 100px; }
  .page-banner h1 { font-size: 32px; }
  .page-banner p { font-size: 16px; }
  .stats-wrap { padding: 40px 20px; }
  .stats-item .stats-num { font-size: 30px; }
  .cta-inner h2 { font-size: 28px; }
  .showcase-content { padding: 28px; }
  .process-item { margin-bottom: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo-text { font-size: 17px; }
  .logo-icon { width: 32px; height: 32px; font-size: 14px; }
  .content-card { flex-direction: column; }
  .content-card .content-thumb { width: 100%; height: 120px; }
  .card-body h3 { font-size: 17px; }
  .stats-wrap { padding: 30px 12px; }
  .stats-item .stats-num { font-size: 26px; }
  .stats-item .stats-label { font-size: 13px; }
  .cta-btns .btn { width: 100%; }
  .page-banner h1 { font-size: 28px; }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #4f46e5;
            --primary-dark: #3730a3;
            --primary-light: #eef2ff;
            --accent: #f59e0b;
            --accent-light: #fffbeb;
            --cyan: #06b6d4;
            --bg: #f6f8fc;
            --bg-white: #ffffff;
            --bg-dark: #0f172a;
            --text: #1e293b;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.12);
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --section-space: clamp(60px, 8vw, 100px);
        }

        /* ===== 基础 Reset / Base ===== */
        *, *::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;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; }
        a:hover { color: var(--primary); }
        button { cursor: pointer; font-family: inherit; }
        input, textarea, select { font-family: inherit; font-size: inherit; }

        ul, ol { list-style: none; }

        /* ===== 通用容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .grid-container {
            max-width: 1200px;
        }

        /* ===== 通用按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1;
            border: 2px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            text-align: center;
        }
        .btn i { font-size: 0.9em; }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #6366f1);
            color: #fff;
            box-shadow: 0 6px 18px rgba(79, 70, 229, 0.35);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(79, 70, 229, 0.4);
        }
        .btn-primary:active { transform: translateY(0); }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 14px rgba(0,0,0,0.1);
        }
        .btn-light:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--accent), #fbbf24);
            color: #1e293b;
            box-shadow: 0 6px 18px rgba(245, 158, 11, 0.35);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(245, 158, 11, 0.45);
            color: #1e293b;
        }

        .btn-sm { padding: 9px 18px; font-size: 0.85rem; }
        .btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: 999px; }

        /* ===== 徽章 / 标签 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 600;
            line-height: 1.4;
        }
        .badge i { font-size: 0.85em; }

        .badge-primary { background: var(--primary-light); color: var(--primary); }
        .badge-accent { background: var(--accent-light); color: #b45309; }
        .badge-cyan { background: #ecfeff; color: #0e7490; }
        .badge-light { background: #f1f5f9; color: var(--text-muted); }
        .badge-success { background: #f0fdf4; color: #166534; }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            border-radius: 6px;
            background: var(--bg);
            border: 1px solid var(--border);
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .tag:hover {
            background: var(--primary-light);
            border-color: transparent;
            color: var(--primary);
        }
        .tag i { font-size: 0.78rem; }

        /* ===== 头部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 12px rgba(15, 23, 42, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 22px;
            height: 74px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.18rem;
            font-weight: 800;
            color: var(--text);
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity 0.2s;
        }
        .logo:hover { color: var(--text); opacity: 0.85; }

        .logo-icon {
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            font-size: 1.15rem;
            box-shadow: 0 5px 16px rgba(79, 70, 229, 0.35);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            margin: 0 auto;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .main-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 700;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1.5px solid var(--border);
            border-radius: 999px;
            height: 40px;
            padding: 0 4px 0 16px;
            transition: var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
        }
        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            width: 140px;
            color: var(--text);
        }
        .header-search input::placeholder { color: var(--text-light); }
        .header-search button {
            background: var(--primary);
            color: #fff;
            border: none;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .header-search button:hover { background: var(--primary-dark); }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.35rem;
            color: var(--text);
            padding: 8px;
            border-radius: 8px;
        }
        .menu-toggle:hover { background: var(--bg); }

        /* ===== 文章 Banner（首屏） ===== */
        .article-banner {
            position: relative;
            padding: clamp(70px, 9vw, 110px) 0 clamp(55px, 7vw, 85px);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .article-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.62) 55%, rgba(79, 70, 229, 0.4) 100%);
        }
        .banner-content {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 22px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
        }
        .breadcrumb a:hover { color: #fff; }
        .breadcrumb i { font-size: 0.7rem; opacity: 0.6; }
        .breadcrumb span { color: #fff; font-weight: 500; }

        .banner-badge { margin-bottom: 16px; }

        .banner-badge .badge {
            background: rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(8px);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.22);
            padding: 7px 16px;
        }
        .banner-badge .badge i { color: var(--accent); }

        .banner-title {
            font-size: clamp(1.7rem, 3.6vw, 2.7rem);
            font-weight: 800;
            line-height: 1.32;
            max-width: 850px;
            letter-spacing: -0.015em;
            margin-bottom: 18px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .banner-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
        }
        .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .banner-meta i { opacity: 0.75; }

        /* ===== 文章正文区域 ===== */
        .article-section {
            padding: var(--section-space) 0;
        }

        .article-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: clamp(28px, 4vw, 48px);
            border: 1px solid var(--border-light);
        }

        .article-header {
            margin-bottom: 34px;
            padding-bottom: 30px;
            border-bottom: 1px solid var(--border-light);
        }

        .article-meta-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .article-title {
            font-size: clamp(1.45rem, 2.8vw, 2rem);
            font-weight: 800;
            line-height: 1.38;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.012em;
        }

        .article-desc {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .article-content {
            font-size: 1.02rem;
            line-height: 1.9;
            color: var(--text);
        }

        .article-content > * + * { margin-top: 1.25em; }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            padding-left: 16px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 1.22rem;
            font-weight: 700;
            margin-top: 1.5em;
            margin-bottom: 0.6em;
            line-height: 1.4;
        }

        .article-content h4 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-top: 1.3em;
            margin-bottom: 0.5em;
        }

        .article-content p {
            margin-bottom: 1.2em;
        }

        .article-content a {
            color: var(--primary);
            border-bottom: 1px dashed var(--primary);
            transition: var(--transition);
        }
        .article-content a:hover {
            color: var(--primary-dark);
            border-bottom-style: solid;
        }

        .article-content img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            margin: 1.5em 0;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 1.6em;
            margin-bottom: 1.2em;
        }
        .article-content ul { list-style: disc; }
        .article-content ol { list-style: decimal; }
        .article-content li { margin-bottom: 0.4em; }

        .article-content blockquote {
            background: var(--primary-light);
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 18px 24px;
            font-style: italic;
            color: var(--text-muted);
            margin: 1.6em 0;
        }

        .article-content blockquote p { margin-bottom: 0; }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin: 1.6em 0;
            font-size: 0.93rem;
        }
        .article-content table th {
            background: var(--bg-dark);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .article-content table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
            background: #fff;
        }
        .article-content table tr:nth-child(even) td { background: #fafbfd; }

        .article-content code {
            background: #f1f5f9;
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 0.9em;
            color: var(--primary-dark);
        }

        .article-content pre {
            background: var(--bg-dark);
            color: #e2e8f0;
            border-radius: var(--radius-md);
            padding: 20px;
            overflow-x: auto;
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 1.6em 0;
        }
        .article-content pre code { background: transparent; color: inherit; padding: 0; }

        /* ===== 文章底部：标签+分享 ===== */
        .article-footer {
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid var(--border-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .article-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .share-box {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .share-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--bg);
            color: var(--text-muted);
            border: 1px solid var(--border);
            transition: var(--transition);
            font-size: 0.92rem;
        }
        .share-btn:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 6px 14px rgba(79, 70, 229, 0.3);
        }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .sidebar-card:hover { box-shadow: var(--shadow-md); }

        .sidebar-card h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-card h3 i {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 9px;
            font-size: 0.85rem;
        }

        .sidebar-list li { margin-bottom: 4px; }

        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: 10px;
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: var(--transition);
            font-weight: 500;
        }
        .sidebar-list a i {
            width: 30px;
            height: 30px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--bg);
            border-radius: 8px;
            color: var(--primary);
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .sidebar-list a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .sidebar-list a:hover i {
            background: #fff;
        }

        .sidebar-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .sidebar-contact-item i {
            color: var(--primary);
            font-size: 1.05rem;
            margin-top: 3px;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            text-align: center;
            padding: 30px 24px;
        }
        .sidebar-cta h3 {
            border-bottom: none;
            padding-bottom: 0;
            justify-content: center;
            color: #fff;
            margin-bottom: 10px;
        }
        .sidebar-cta h3 i {
            background: rgba(255,255,255,0.2);
            color: #fff;
        }
        .sidebar-cta p {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 18px;
        }
        .sidebar-cta .btn {
            background: #fff;
            color: var(--primary);
            width: 100%;
        }
        .sidebar-cta .btn:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0,0,0,0.2); }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
        }
        .not-found-box i {
            font-size: 3.2rem;
            color: var(--text-light);
            margin-bottom: 18px;
        }
        .not-found-box h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* ===== 推荐栏目区块 ===== */
        .related-section {
            padding: var(--section-space) 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
        }

        .section-head {
            text-align: center;
            margin-bottom: clamp(36px, 5vw, 56px);
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .section-eyebrow i { font-size: 0.75rem; }

        .section-title {
            font-size: clamp(1.55rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 10px auto 0;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: block;
            position: relative;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .related-card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg);
        }
        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .related-card-img img {
            transform: scale(1.06);
        }
        .related-card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.35), transparent 60%);
        }

        .related-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 3;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 999px;
        }

        .related-card-body {
            padding: 24px;
        }
        .related-card-body h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: var(--transition);
        }
        .related-card:hover .related-card-body h3 { color: var(--primary); }
        .related-card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 14px;
        }
        .related-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
        }
        .related-more i { font-size: 0.75rem; transition: transform 0.25s ease; }
        .related-card:hover .related-more i { transform: translateX(4px); }

        /* ===== FAQ 区块 ===== */
        .faq-section {
            padding: var(--section-space) 0;
            background: var(--bg);
        }

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

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-item[open] { border-color: var(--primary); }

        .faq-item summary {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker { display: none; }

        .faq-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-item[open] .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            margin-left: auto;
            font-size: 0.8rem;
            color: var(--text-light);
            transition: var(--transition);
        }
        .faq-item[open] summary::after { transform: rotate(180deg); color: var(--primary); }

        .faq-content {
            padding: 0 24px 22px 74px;
            font-size: 0.94rem;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .faq-content p { margin-bottom: 0; }

        /* ===== CTA 区块 ===== */
        .cta-section {
            padding: clamp(60px, 7vw, 90px) 0;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1e1b4b 60%, #312e81 100%);
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(79, 70, 229, 0.3), transparent 70%);
        }
        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.2), transparent 70%);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.35;
            letter-spacing: -0.01em;
        }
        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-note {
            margin-top: 20px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-note i { margin-right: 5px; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: clamp(50px, 6vw, 70px) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary), var(--cyan));
        }

        .footer-links li,
        .footer-contact li {
            margin-bottom: 12px;
            font-size: 0.9rem;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover { color: #fff; padding-left: 6px; }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-contact i { color: var(--accent); width: 18px; }

        .footer-bottom {
            padding: 22px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .header-search { display: none; }
            .header-actions .btn-outline { display: none; }
            .header-inner { height: 68px; }

            .menu-toggle { display: inline-flex; }

            .main-nav {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: 0 20px 40px rgba(15, 23, 42, 0.16);
                border-bottom: 1px solid var(--border);
                transform: translateY(-130%);
                opacity: 0;
                visibility: hidden;
                transition: transform 0.35s ease, opacity 0.3s ease;
                z-index: 999;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav a {
                width: 100%;
                padding: 13px 18px;
                border-radius: 10px;
                font-size: 0.98rem;
            }

            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
        }

        @media (max-width: 768px) {
            .header-actions .btn { display: none; }
            .header-inner { gap: 14px; }
            .logo { font-size: 1.05rem; }
            .logo-icon { width: 38px; height: 38px; font-size: 1rem; }

            .article-card { padding: 24px 20px; }
            .article-footer { flex-direction: column; align-items: flex-start; }

            .related-grid { grid-template-columns: 1fr; }

            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 18px; }
            .banner-title { font-size: 1.45rem; }
            .banner-meta { gap: 14px; flex-direction: column; align-items: flex-start; }

            .faq-item summary { padding: 16px 18px; }
            .faq-content { padding: 0 18px 18px 58px; }
        }

        /* ===== 焦点可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(79, 70, 229, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category3 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0a3d62;
            --primary-dark: #06283d;
            --primary-light: #1b557a;
            --accent: #f39c12;
            --accent-dark: #d68910;
            --accent-light: #fef3e2;
            --success: #16a085;
            --bg: #f4f7fb;
            --card-bg: #ffffff;
            --text: #14283c;
            --text-light: #5d6d7e;
            --text-muted: #8a99a8;
            --border: #e5ecf3;
            --radius: 18px;
            --radius-sm: 10px;
            --shadow: 0 12px 36px rgba(10, 61, 98, 0.08);
            --shadow-hover: 0 18px 48px rgba(10, 61, 98, 0.16);
            --header-h: 76px;
            --transition: all 0.3s ease;
            --container-w: 1200px;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
            outline: none;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            font-weight: 700;
            line-height: 1.3;
        }

        /* ========== 容器 ========== */
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 28px;
            width: 100%;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn i {
            font-size: 14px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #13607e);
            color: #fff;
            box-shadow: 0 8px 24px rgba(10, 61, 98, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 34px rgba(10, 61, 98, 0.35);
        }

        .btn-primary:active {
            transform: translateY(-1px);
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--accent), #f5b041);
            color: #14283c;
            box-shadow: 0 8px 22px rgba(243, 156, 18, 0.3);
        }

        .btn-accent:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 32px rgba(243, 156, 18, 0.4);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.75);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

        .btn-lg {
            padding: 16px 38px;
            font-size: 16px;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 2px 18px rgba(10, 61, 98, 0.04);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 19px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 6px 16px rgba(10, 61, 98, 0.25);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            background: rgba(10, 61, 98, 0.07);
            color: var(--primary);
        }

        .main-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(10, 61, 98, 0.28);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 6px 0 18px;
            height: 42px;
            width: 220px;
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(10, 61, 98, 0.08);
        }

        .search-box input {
            flex: 1;
            font-size: 14px;
            color: var(--text);
            background: transparent;
            border: none;
            width: 100%;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .search-box button {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 13px;
            transition: var(--transition);
        }

        .search-box button:hover {
            background: var(--accent);
            color: #14283c;
        }

        .btn-sm {
            padding: 10px 22px;
            font-size: 14px;
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg);
            color: var(--primary);
            font-size: 20px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .menu-toggle:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ========== Hero Banner ========== */
        .page-banner {
            position: relative;
            padding: 130px 0 110px;
            background: linear-gradient(135deg, rgba(6, 40, 61, 0.94), rgba(10, 61, 98, 0.84)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 180px;
            background: radial-gradient(ellipse, rgba(243, 156, 18, 0.35), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(6px);
            border-radius: 999px;
            padding: 8px 20px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 26px;
        }

        .banner-badge i {
            color: var(--accent);
        }

        .page-banner h1 {
            font-size: 52px;
            font-weight: 900;
            letter-spacing: 1px;
            margin-bottom: 22px;
            color: #fff;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
        }

        .page-banner h1 span {
            color: var(--accent);
        }

        .banner-desc {
            max-width: 680px;
            margin: 0 auto 38px;
            font-size: 18px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.88);
        }

        .banner-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .banner-meta {
            margin-top: 44px;
            display: flex;
            justify-content: center;
            gap: 28px;
            flex-wrap: wrap;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
        }

        .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        /* ========== 面包屑 ========== */
        .breadcrumb {
            padding: 18px 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }

        .breadcrumb a {
            color: var(--text-light);
        }

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

        .breadcrumb .sep {
            margin: 0 10px;
            color: var(--text-muted);
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* ========== 板块 ========== */
        .section {
            padding: 96px 0;
        }

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

        .section-white {
            background: #fff;
        }

        .section-head {
            max-width: 740px;
            margin: 0 auto 60px;
            text-align: center;
        }

        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 38px;
            color: var(--text);
            margin-bottom: 16px;
        }

        .section-head p {
            color: var(--text-light);
            font-size: 16px;
            line-height: 1.85;
        }

        /* ========== 概述区 ========== */
        .overview-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .overview-image {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .overview-image img {
            width: 100%;
            height: 440px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .overview-image:hover img {
            transform: scale(1.04);
        }

        .overview-image .float-card {
            position: absolute;
            left: 20px;
            bottom: 20px;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(10px);
            border-radius: 14px;
            padding: 16px 22px;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .float-card .icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--accent-light);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .float-card strong {
            color: var(--text);
            font-size: 16px;
        }

        .float-card span {
            font-size: 13px;
            color: var(--text-light);
        }

        .overview-text h2 {
            font-size: 34px;
            color: var(--text);
            margin-bottom: 20px;
            line-height: 1.35;
        }

        .overview-text h2 span {
            color: var(--primary);
        }

        .overview-text>p {
            color: var(--text-light);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 28px;
        }

        .overview-list {
            display: grid;
            gap: 16px;
            margin-bottom: 32px;
        }

        .overview-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 14px 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            transition: var(--transition);
        }

        .overview-list li:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 24px rgba(10, 61, 98, 0.08);
            transform: translateX(6px);
        }

        .overview-list .icon {
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .overview-list strong {
            display: block;
            color: var(--text);
            font-size: 15px;
            margin-bottom: 2px;
        }

        .overview-list span {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.6;
        }

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

        .service-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 34px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-card .icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--accent-light);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .service-card:hover .icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(-6deg) scale(1.05);
        }

        .service-card h3 {
            font-size: 18px;
            color: var(--text);
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== 数据指标 ========== */
        .stats-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(243, 156, 18, 0.4), transparent 70%);
            border-radius: 50%;
        }

        .stats-section .section-head h2 {
            color: #fff;
        }

        .stats-section .section-head p {
            color: rgba(255, 255, 255, 0.8);
        }

        .stats-section .section-head .eyebrow {
            color: var(--accent);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .stat-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius);
            padding: 36px 24px;
            text-align: center;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.16);
            transform: translateY(-6px);
            border-color: rgba(243, 156, 18, 0.5);
        }

        .stat-number {
            font-size: 48px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--accent), #f7dc6f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            margin-top: 10px;
        }

        /* ========== 流程 ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .process-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 26px;
            position: relative;
            transition: var(--transition);
        }

        .process-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }

        .process-step {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 20px;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
            box-shadow: 0 8px 20px rgba(10, 61, 98, 0.25);
        }

        .process-item h3 {
            font-size: 17px;
            color: var(--text);
            margin-bottom: 10px;
        }

        .process-item p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.75;
        }

        /* ========== 案例卡片 ========== */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .case-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .case-image {
            position: relative;
            overflow: hidden;
            height: 220px;
        }

        .case-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .case-card:hover .case-image img {
            transform: scale(1.05);
        }

        .case-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(6px);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .case-body {
            padding: 24px 26px 26px;
        }

        .case-body h3 {
            font-size: 17px;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .case-body p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .case-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .case-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .case-meta a {
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .case-meta a:hover {
            color: var(--accent);
            gap: 10px;
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 10px 30px rgba(10, 61, 98, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 26px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 26px;
        }

        .faq-answer p {
            padding-bottom: 24px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.85;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 28px;
            padding: 70px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(243, 156, 18, 0.45), transparent 70%);
            border-radius: 50%;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 70%);
            border-radius: 50%;
        }

        .cta-box h2 {
            font-size: 36px;
            margin-bottom: 16px;
        }

        .cta-box p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 520px;
            margin: 0 auto 34px;
            line-height: 1.85;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--primary-dark);
            color: #fff;
            padding: 70px 0 0;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 44px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo .logo-icon {
            background: linear-gradient(135deg, var(--accent), #f5b041);
            color: #14283c;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.85;
            max-width: 260px;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .footer-contact i {
            color: var(--accent);
            margin-top: 3px;
        }

        .footer-bottom {
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .search-box {
                width: 170px;
            }

            .main-nav a {
                padding: 8px 12px;
                font-size: 14px;
            }

            .overview-grid {
                gap: 40px;
            }

            .overview-image img {
                height: 380px;
            }

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

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

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

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

        @media (max-width: 768px) {
            .header-actions {
                gap: 8px;
            }

            .header-actions .search-box {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                flex-direction: column;
                align-items: stretch;
                padding: 18px 22px;
                gap: 8px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
                transform: translateY(-120%);
                transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                border-bottom: 1px solid var(--border);
                z-index: 98;
            }

            .main-nav.open {
                transform: translateY(0);
            }

            .main-nav a {
                padding: 14px 18px;
                font-size: 15px;
                border-radius: 12px;
                text-align: left;
            }

            .main-nav a.active {
                background: var(--primary);
                color: #fff;
            }

            .page-banner {
                padding: 90px 0 80px;
            }

            .page-banner h1 {
                font-size: 36px;
            }

            .banner-desc {
                font-size: 16px;
            }

            .section {
                padding: 68px 0;
            }

            .section-head h2 {
                font-size: 30px;
            }

            .overview-grid {
                grid-template-columns: 1fr;
            }

            .overview-image img {
                height: 320px;
            }

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

        @media (max-width: 520px) {
            .container {
                padding: 0 20px;
            }

            .header-inner {
                gap: 10px;
            }

            .logo {
                font-size: 16px;
            }

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

            .btn-sm {
                padding: 9px 16px;
                font-size: 13px;
            }

            .page-banner {
                padding: 70px 0 60px;
            }

            .page-banner h1 {
                font-size: 28px;
            }

            .banner-desc {
                font-size: 15px;
                line-height: 1.7;
            }

            .banner-btns {
                flex-direction: column;
                gap: 10px;
            }

            .banner-btns .btn {
                width: 100%;
            }

            .banner-meta {
                flex-direction: column;
                gap: 10px;
            }

            .section-head h2 {
                font-size: 25px;
            }

            .section-head p {
                font-size: 14px;
            }

            .cards-grid,
            .cases-grid,
            .process-grid,
            .stats-grid {
                grid-template-columns: 1fr;
            }

            .overview-image img {
                height: 240px;
            }

            .overview-text h2 {
                font-size: 25px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .cta-box {
                padding: 48px 24px;
                border-radius: 20px;
            }

            .cta-box h2 {
                font-size: 26px;
            }

            .cta-box p {
                font-size: 15px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #4F46E5;
            --primary-dark: #4338CA;
            --primary-light: #EEF2FF;
            --accent: #F43F5E;
            --dark: #0B1120;
            --bg: #F8FAFC;
            --card: #FFFFFF;
            --text: #1E293B;
            --muted: #64748B;
            --border: #E2E8F0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
            --shadow-md: 0 12px 30px rgba(15, 23, 42, .1);
            --shadow-lg: 0 20px 50px rgba(79, 70, 229, .18);
            --container: 1200px;
            --transition: .25s ease;
        }

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

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

        body {
            font-family: 'Inter', 'SF Pro Display', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
            background: transparent;
        }

        ::selection {
            background: rgba(79, 70, 229, .2);
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
            position: relative;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            height: 70px;
            transition: height .3s;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -.3px;
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 11px;
            background: linear-gradient(135deg, var(--primary), #7C3AED);
            color: #fff;
            display: grid;
            place-items: center;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 6px 16px rgba(79, 70, 229, .35);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            position: relative;
            padding: 9px 15px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            transition: var(--transition);
            line-height: 1.4;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .main-nav a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), #7C3AED);
            box-shadow: 0 6px 16px rgba(79, 70, 229, .35);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #F1F5F9;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 4px 6px 4px 16px;
            transition: all .25s;
        }

        .search-box:hover {
            border-color: #CBD5E1;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, .12);
        }

        .search-box input {
            width: 138px;
            background: transparent;
            font-size: 13px;
            color: var(--text);
        }

        .search-box input::placeholder {
            color: var(--muted);
        }

        .search-box button {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            color: var(--muted);
            background: #fff;
            transition: var(--transition);
        }

        .search-box button:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: #F1F5F9;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--dark);
            transition: var(--transition);
        }

        .menu-toggle:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .menu-toggle[aria-expanded="true"] {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 42px;
            padding: 0 24px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            transition: all .28s ease;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #7C3AED);
            color: #fff !important;
            box-shadow: 0 8px 20px rgba(79, 70, 229, .32);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(79, 70, 229, .45);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, .12);
            color: #fff !important;
            border-color: rgba(255, 255, 255, .45);
            backdrop-filter: blur(6px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .24);
            transform: translateY(-2px);
            border-color: rgba(255, 255, 255, .8);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(79, 70, 229, .5);
            outline-offset: 2px;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 88px 0 92px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(11, 17, 32, .97) 10%, rgba(15, 23, 42, .88) 45%, rgba(79, 70, 229, .62) 100%);
        }

        .banner-inner {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 13px;
            color: rgba(255, 255, 255, .72);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .sep {
            font-size: 9px;
            opacity: .7;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }

        .page-banner h1 {
            font-size: 44px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -.6px;
            margin-bottom: 18px;
            color: #fff;
            text-shadow: 0 2px 24px rgba(0, 0, 0, .25);
        }

        .page-banner .lead {
            font-size: 17px;
            line-height: 1.8;
            max-width: 640px;
            color: rgba(255, 255, 255, .88);
            margin-bottom: 32px;
        }

        .page-banner .lead strong {
            color: #fff;
            font-weight: 700;
        }

        .banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 44px;
        }

        .stats-row {
            max-width: 840px;
            margin-bottom: 0;
        }

        .stat-item {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 16px;
            padding: 16px 18px;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, .18);
            transform: translateY(-2px);
        }

        .stat-item strong {
            display: block;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 2px;
        }

        .stat-item span {
            font-size: 13px;
            color: rgba(255, 255, 255, .8);
        }

        /* ===== Sections ===== */
        .section {
            padding: 88px 0;
        }

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

        .section-head.center {
            max-width: 660px;
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: .3px;
        }

        .section-head h2 {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -.4px;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
        }

        /* ===== Features ===== */
        .features-grid .cell {
            display: flex;
        }

        .feature-card {
            position: relative;
            display: flex;
            flex-direction: column;
            width: 100%;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: var(--transition);
            overflow: hidden;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            right: -24px;
            top: -24px;
            width: 82px;
            height: 82px;
            border-radius: 50%;
            background: var(--primary-light);
            opacity: 0;
            transition: opacity .3s;
        }

        .feature-card:hover {
            border-color: rgba(79, 70, 229, .35);
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
        }

        .feature-card:hover::after {
            opacity: 1;
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: grid;
            place-items: center;
            font-size: 20px;
            margin-bottom: 20px;
            transition: var(--transition);
            position: relative;
            z-index: 1;
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 18px rgba(79, 70, 229, .35);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        /* ===== Guide ===== */
        .guide-section {
            background: #EEF2FF;
        }

        .guide-grid {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .guide-media {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .guide-media img {
            width: 100%;
            height: 440px;
            object-fit: cover;
        }

        .guide-content .section-eyebrow {
            margin-bottom: 18px;
        }

        .guide-content h2 {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -.4px;
            margin-bottom: 16px;
        }

        .guide-content h2 span {
            display: block;
            font-size: 20px;
            color: var(--primary);
            font-weight: 700;
            margin-top: 6px;
        }

        .guide-content > p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .guide-list {
            margin-bottom: 32px;
        }

        .guide-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(79, 70, 229, .12);
            font-size: 15px;
            color: #1E293B;
            font-weight: 500;
        }

        .guide-list li:last-child {
            border-bottom: none;
        }

        .guide-list i {
            color: var(--primary);
            margin-top: 4px;
            font-size: 15px;
        }

        .guide-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), #7C3AED);
            border-radius: 999px;
            padding: 12px 26px;
            transition: var(--transition);
            box-shadow: 0 8px 20px rgba(79, 70, 229, .3);
        }

        .guide-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 28px rgba(79, 70, 229, .45);
            color: #fff;
        }

        /* ===== Article Cards ===== */
        .articles-grid .cell {
            display: flex;
        }

        .article-card {
            display: flex;
            flex-direction: column;
            width: 100%;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
        }

        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(79, 70, 229, .3);
        }

        .card-media {
            position: relative;
            display: block;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--primary-light);
        }

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

        .article-card:hover .card-media img {
            transform: scale(1.07);
        }

        .card-tag {
            position: absolute;
            left: 14px;
            top: 14px;
            background: rgba(255, 255, 255, .96);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 999px;
            box-shadow: var(--shadow-sm);
        }

        .card-body {
            display: flex;
            flex-direction: column;
            flex: 1;
            padding: 24px;
        }

        .card-body h3 {
            font-size: 17px;
            line-height: 1.5;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .card-body h3 a:hover {
            color: var(--primary);
        }

        .card-text {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 20px;
        }

        .card-meta {
            display: flex;
            gap: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            font-size: 12px;
            color: var(--muted);
        }

        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }

        .process-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(600px 300px at 80% 20%, rgba(79, 70, 229, .4), transparent 60%);
        }

        .process-section .container {
            position: relative;
            z-index: 1;
        }

        .process-section .section-eyebrow {
            background: rgba(79, 70, 229, .3);
            color: #C7D2FE;
        }

        .process-section .section-head h2 {
            color: #fff;
        }

        .process-section .section-head p {
            color: rgba(255, 255, 255, .65);
        }

        .steps-grid .cell {
            display: flex;
        }

        .process-step {
            display: flex;
            flex-direction: column;
            width: 100%;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 20px;
            padding: 30px 24px;
            text-align: center;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .process-step:hover {
            transform: translateY(-6px);
            background: rgba(255, 255, 255, .1);
            border-color: rgba(165, 180, 252, .5);
            box-shadow: 0 16px 36px rgba(0, 0, 0, .3);
        }

        .step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #7C3AED);
            display: grid;
            place-items: center;
            color: #fff;
            font-size: 17px;
            font-weight: 800;
            margin: 0 auto 20px;
            box-shadow: 0 10px 24px rgba(79, 70, 229, .4);
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
            line-height: 1.8;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            transition: var(--transition);
            overflow: hidden;
        }

        .faq-item.open {
            border-color: rgba(79, 70, 229, .5);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            text-align: left;
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            transition: var(--transition);
            cursor: pointer;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question:focus-visible {
            outline: 3px solid rgba(79, 70, 229, .4);
            outline-offset: -3px;
            border-radius: var(--radius-md);
        }

        .faq-icon {
            width: 26px;
            height: 26px;
            min-width: 26px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: grid;
            place-items: center;
            font-size: 12px;
            transition: all .35s ease;
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(135deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .38s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
        }

        .faq-answer p {
            padding: 0 24px 22px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.9;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 84px 0;
            background: var(--dark);
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            opacity: .28;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(500px 260px at 50% 50%, rgba(79, 70, 229, .4), transparent 70%);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -.4px;
        }

        .cta-inner p {
            font-size: 15px;
            color: rgba(255, 255, 255, .75);
            line-height: 1.9;
            margin-bottom: 32px;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0B1120;
            color: rgba(255, 255, 255, .7);
            padding-top: 64px;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
            gap: 44px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            line-height: 1.9;
            margin-top: 14px;
            max-width: 320px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

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

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .68);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 13px;
        }

        .footer-contact i {
            color: #A5B4FC;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(18px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .page-banner h1 {
            animation: fadeUp .6s ease both;
        }

        .page-banner .lead {
            animation: fadeUp .7s .1s ease both;
        }

        .banner-actions {
            animation: fadeUp .8s .2s ease both;
        }

        .stats-row {
            animation: fadeUp .9s .3s ease both;
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            .header-actions .search-box {
                display: none;
            }

            .main-nav a {
                padding: 8px 11px;
                font-size: 13px;
            }

            .guide-grid {
                gap: 36px;
            }

            .guide-media img {
                height: 380px;
            }

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

        @media screen and (max-width: 768px) {
            .header-inner {
                height: 62px;
                flex-wrap: wrap;
            }

            .menu-toggle {
                display: flex;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                padding: 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
            }

            .header-inner.menu-open .main-nav {
                display: flex;
            }

            .main-nav a {
                display: block;
                padding: 13px 16px;
                border-radius: 12px;
                font-size: 15px;
            }

            .header-actions .header-cta {
                display: none;
            }

            .page-banner {
                padding: 62px 0 68px;
            }

            .page-banner h1 {
                font-size: 32px;
            }

            .page-banner .lead {
                font-size: 16px;
            }

            .section {
                padding: 64px 0;
            }

            .section-head h2 {
                font-size: 27px;
            }

            .guide-grid {
                grid-template-columns: 1fr;
            }

            .guide-media img {
                height: 300px;
            }

            .stats-row {
                margin-top: 8px;
            }

            .process-step {
                padding: 24px 18px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .logo {
                font-size: 16px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }

            .page-banner h1 {
                font-size: 27px;
            }

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

            .section-head h2 {
                font-size: 24px;
            }

            .stat-item strong {
                font-size: 18px;
            }

            .stat-item {
                padding: 12px 14px;
            }

            .card-body {
                padding: 18px;
            }

            .guide-content h2 {
                font-size: 26px;
            }

            .cta-inner h2 {
                font-size: 27px;
            }

            .footer-grid {
                gap: 28px;
            }
        }