/* roulang page: index */
:root{
  --primary:#0B1D3A;
  --primary-light:#1B2E55;
  --primary-lighter:#2A3F66;
  --secondary:#C9A96A;
  --secondary-light:#DCC198;
  --secondary-dark:#A9894A;
  --accent:#E0525A;
  --bg-body:#F6F8FC;
  --bg-white:#FFFFFF;
  --bg-dark:#081728;
  --text-dark:#14213D;
  --text-body:#42506B;
  --text-muted:#8491AB;
  --border-color:#E5E9F2;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(11,29,58,0.05);
  --shadow-md:0 8px 30px rgba(11,29,58,0.08);
  --shadow-lg:0 20px 50px rgba(11,29,58,0.12);
  --transition:all .3s cubic-bezier(.4,0,.2,1);
  --ff:'Inter',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Segoe UI',Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--ff);color:var(--text-body);background:var(--bg-body);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
a:hover{color:var(--secondary)}
button{border:none;outline:none;background:none;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:1rem}
ul,ol{list-style:none}
.container{max-width:1280px;padding-left:24px;padding-right:24px;margin:0 auto}
.section{padding:90px 0}
.section-header{text-align:center;max-width:680px;margin:0 auto 56px}
.section-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(201,169,106,.12);color:var(--secondary-dark);font-size:.85rem;font-weight:700;letter-spacing:.06em;padding:8px 20px;border-radius:50px;margin-bottom:16px}
.section-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--secondary)}
.section-header h2{font-size:2.2rem;font-weight:800;color:var(--text-dark);line-height:1.25;margin-bottom:14px}
.section-header p{font-size:1.05rem;color:var(--text-muted);line-height:1.7}
.btn{border-radius:50px;padding:13px 30px;font-weight:600;font-size:.93rem;transition:var(--transition)}
.btn-primary{background:var(--secondary);color:var(--primary);border:none}
.btn-primary:hover{background:var(--secondary-light);color:var(--primary);transform:translateY(-2px);box-shadow:0 10px 28px rgba(201,169,106,.35)}
.btn-outline{border:2px solid rgba(255,255,255,.65);color:#fff;background:transparent}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-dark{background:var(--primary);color:#fff;border:none}
.btn-dark:hover{background:var(--primary-light);color:#fff;transform:translateY(-2px);box-shadow:0 10px 28px rgba(11,29,58,.25)}
.btn:focus{outline:2px solid var(--secondary);outline-offset:2px}

.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-color)}
.navbar-custom{padding:14px 0;min-height:74px}
.brand-logo{display:flex;align-items:center;gap:12px}
.brand-mark{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;color:var(--secondary);font-size:1.25rem;box-shadow:0 4px 14px rgba(11,29,58,.2)}
.brand-text{font-size:1.3rem;font-weight:800;color:var(--text-dark);letter-spacing:-.02em}
.brand-text span{color:var(--secondary)}
.navbar-custom .nav-link{font-weight:600;color:var(--text-body);padding:10px 18px;border-radius:50px;font-size:.94rem}
.navbar-custom .nav-link:hover{color:var(--primary);background:rgba(11,29,58,.04)}
.navbar-custom .nav-link.active{color:var(--primary);background:rgba(201,169,106,.14)}
.nav-cta{margin-left:12px}
.navbar-toggler{border:none;font-size:1.4rem;color:var(--primary);padding:6px 10px}
.navbar-toggler:focus{box-shadow:none;outline:none}
.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(11,29,58,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}

.hero{position:relative;background-size:cover;background-position:center;color:#fff;padding:130px 0 110px;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(115deg,rgba(8,23,40,.96) 0%,rgba(8,23,40,.88) 38%,rgba(8,23,40,.55) 100%);z-index:1}
.hero::after{content:'';position:absolute;right:-200px;top:-100px;width:520px;height:520px;border-radius:50%;background:rgba(201,169,106,.18);filter:blur(100px)}
.hero .container{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:10px 22px;border-radius:50px;font-size:.85rem;font-weight:600;letter-spacing:.04em;margin-bottom:28px}
.hero-badge i{color:var(--secondary)}
.hero h1{font-size:3.4rem;font-weight:900;line-height:1.12;letter-spacing:-.03em;color:#fff;margin-bottom:18px}
.hero h1 span{color:var(--secondary)}
.hero-desc{font-size:1.18rem;color:rgba(255,255,255,.8);max-width:520px;line-height:1.8;margin-bottom:38px}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.hero-meta{display:flex;gap:32px;margin-top:50px;flex-wrap:wrap}
.hero-meta-item{display:flex;flex-direction:column}
.hero-meta-item strong{font-size:1.8rem;font-weight:800;color:#fff}
.hero-meta-item span{font-size:.82rem;color:rgba(255,255,255,.6);letter-spacing:.03em}
.scroll-indicator{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:2;color:rgba(255,255,255,.5);font-size:1.4rem;animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-10px)}}

.features-section{background:var(--bg-white)}
.feature-card{background:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:38px 30px;text-align:center;height:100%;box-shadow:var(--shadow-sm);transition:var(--transition)}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px);border-color:rgba(201,169,106,.4)}
.feature-icon{width:68px;height:68px;border-radius:18px;background:rgba(11,29,58,.06);display:flex;align-items:center;justify-content:center;font-size:1.6rem;color:var(--secondary-dark);margin:0 auto 22px;transition:var(--transition)}
.feature-card:hover .feature-icon{background:var(--secondary);color:var(--primary)}
.feature-card h3{font-size:1.1rem;font-weight:700;color:var(--text-dark);margin-bottom:12px}
.feature-card p{font-size:.92rem;color:var(--text-muted);line-height:1.7;margin:0}

.category-section{background:var(--bg-body)}
.category-card{display:block;position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:360px;box-shadow:var(--shadow-md);transition:var(--transition)}
.category-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.category-card img{width:100%;height:100%;object-fit:cover;min-height:360px}
.category-card::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(8,23,40,.9) 0%,rgba(8,23,40,.2) 55%,rgba(8,23,40,.05) 100%)}
.category-card-body{position:absolute;left:0;right:0;bottom:0;padding:34px;z-index:1;color:#fff}
.category-card-body .badge-cat{display:inline-block;background:var(--secondary);color:var(--primary);font-size:.75rem;font-weight:700;padding:6px 16px;border-radius:50px;margin-bottom:14px;letter-spacing:.04em}
.category-card-body h3{font-size:1.5rem;font-weight:800;margin-bottom:8px}
.category-card-body p{font-size:.95rem;color:rgba(255,255,255,.75);margin-bottom:16px;line-height:1.6}
.category-card-body .cat-link{color:var(--secondary);font-weight:700;font-size:.88rem;display:inline-flex;align-items:center;gap:8px}
.category-card-body .cat-link:hover{gap:14px}

.posts-section{background:var(--bg-white)}
.post-list-item{display:flex;gap:20px;padding:26px 28px;border:1px solid var(--border-color);border-radius:var(--radius-md);margin-bottom:16px;background:var(--bg-white);transition:var(--transition)}
.post-list-item:hover{box-shadow:var(--shadow-md);transform:translateX(6px);border-color:rgba(201,169,106,.3)}
.post-list-num{font-size:1.6rem;font-weight:800;color:var(--secondary);min-width:48px;text-align:center;opacity:.6;line-height:1.2}
.post-list-content{flex:1}
.post-meta-tags{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.post-cat-pill{background:rgba(11,29,58,.08);color:var(--primary);font-size:.75rem;font-weight:600;padding:4px 14px;border-radius:50px}
.post-date-pill{color:var(--text-muted);font-size:.8rem;display:inline-flex;align-items:center;gap:6px}
.post-list-content h3{font-size:1.1rem;font-weight:700;color:var(--text-dark);margin-bottom:8px}
.post-list-content h3 a:hover{color:var(--secondary)}
.post-list-content p{font-size:.9rem;color:var(--text-muted);line-height:1.6;margin:0}
.empty-posts{text-align:center;padding:60px 20px;color:var(--text-muted);font-size:1rem;border:2px dashed var(--border-color);border-radius:var(--radius-lg)}

.stats-section{position:relative;background-size:cover;background-position:center;padding:90px 0;color:#fff}
.stats-section::before{content:'';position:absolute;inset:0;background:rgba(8,23,40,.86)}
.stats-section .container{position:relative;z-index:1}
.stat-item{text-align:center;padding:30px 16px}
.stat-item .stat-icon{font-size:2rem;color:var(--secondary);margin-bottom:14px}
.stat-item .stat-num{font-size:2.8rem;font-weight:900;color:#fff;line-height:1.1}
.stat-item .stat-label{font-size:.9rem;color:rgba(255,255,255,.7);margin-top:6px}

.process-section{background:var(--bg-body)}
.process-step{position:relative;padding:32px 24px;background:var(--bg-white);border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);height:100%;transition:var(--transition)}
.process-step:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.process-num{display:inline-block;width:44px;height:44px;border-radius:12px;background:var(--primary);color:var(--secondary);font-size:1.1rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.process-step h3{font-size:1.08rem;font-weight:700;color:var(--text-dark);margin-bottom:10px}
.process-step p{font-size:.9rem;color:var(--text-muted);line-height:1.65;margin:0}
.process-arrow{position:absolute;right:-24px;top:50%;transform:translateY(-50%);color:var(--secondary);font-size:1.3rem;z-index:2;background:var(--bg-body);border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center}
.process-arrow:last-child{display:none}

.recommend-section{background:var(--bg-white)}
.recommend-card{background:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;height:100%;box-shadow:var(--shadow-sm);transition:var(--transition)}
.recommend-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.recommend-card .card-img-wrap{position:relative;overflow:hidden;aspect-ratio:16/10}
.recommend-card .card-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.recommend-card:hover .card-img-wrap img{transform:scale(1.06)}
.recommend-card .card-body{padding:26px}
.recommend-card .card-body .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.recommend-card .card-body h3{font-size:1.06rem;font-weight:700;color:var(--text-dark);margin-bottom:10px}
.recommend-card .card-body p{font-size:.88rem;color:var(--text-muted);line-height:1.6;margin:0}
.card-tag{background:rgba(201,169,106,.15);color:var(--secondary-dark);font-size:.72rem;font-weight:600;padding:4px 12px;border-radius:50px}

.faq-section{background:var(--bg-body)}
.faq-card{border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-white);margin-bottom:14px;overflow:hidden;transition:var(--transition)}
.faq-card:hover{border-color:rgba(201,169,106,.3)}
.faq-card .faq-q{width:100%;padding:24px 28px;font-weight:700;color:var(--text-dark);font-size:1rem;display:flex;justify-content:space-between;align-items:center;text-align:left}
.faq-card .faq-q i{color:var(--secondary);transition:transform .3s}
.faq-card.open .faq-q i{transform:rotate(180deg)}
.faq-card .faq-a{max-height:0;overflow:hidden;transition:max-height .5s ease}
.faq-card .faq-a-inner{padding:0 28px 24px;color:var(--text-muted);font-size:.93rem;line-height:1.75;border-top:1px solid var(--border-color);padding-top:18px}

.cta-section{position:relative;background-size:cover;background-position:center;padding:90px 0;color:#fff}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,29,58,.95),rgba(11,29,58,.8))}
.cta-section .container{position:relative;z-index:1}
.cta-box{max-width:640px;margin:0 auto;text-align:center}
.cta-box h2{font-size:2.2rem;font-weight:800;color:#fff;margin-bottom:16px}
.cta-box p{color:rgba(255,255,255,.75);font-size:1.05rem;margin-bottom:30px}
.subscribe-form{display:flex;gap:12px;max-width:460px;margin:0 auto;flex-wrap:wrap}
.subscribe-form .form-control{flex:1;min-width:200px;border-radius:50px;padding:14px 22px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);color:#fff;font-size:.95rem}
.subscribe-form .form-control::placeholder{color:rgba(255,255,255,.5)}
.subscribe-form .form-control:focus{outline:2px solid var(--secondary);box-shadow:none;background:rgba(255,255,255,.16)}
.cta-note{font-size:.82rem;color:rgba(255,255,255,.5);margin-top:18px}

.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.65);padding:70px 0 0}
.footer-brand .brand-text{color:#fff}
.footer-about{font-size:.9rem;line-height:1.75;margin-top:16px;max-width:320px}
.footer-title{font-size:1rem;font-weight:700;color:#fff;margin-bottom:22px;position:relative;padding-bottom:12px}
.footer-title::after{content:'';position:absolute;left:0;bottom:0;width:32px;height:3px;border-radius:2px;background:var(--secondary)}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:.9rem;color:rgba(255,255,255,.65);display:inline-flex;align-items:center;gap:8px}
.footer-links a:hover{color:var(--secondary);transform:translateX(4px)}
.footer-links a i{font-size:.75rem;color:var(--secondary)}
.footer-contact li{display:flex;gap:12px;margin-bottom:14px;font-size:.9rem}
.footer-contact i{color:var(--secondary);margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;margin-top:50px;font-size:.85rem;color:rgba(255,255,255,.45)}
.footer-bottom .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

@media(max-width:1024px){
  .section{padding:74px 0}
  .hero h1{font-size:2.8rem}
  .hero{padding:110px 0 90px}
  .process-arrow{display:none}
}
@media(max-width:768px){
  .section{padding:60px 0}
  .section-header h2{font-size:1.8rem}
  .hero h1{font-size:2.2rem}
  .hero-desc{font-size:1.05rem}
  .hero-meta{gap:20px}
  .hero-meta-item strong{font-size:1.4rem}
  .stats-section .stat-num{font-size:2.2rem}
  .cta-section h2{font-size:1.8rem}
  .post-list-item{padding:20px}
  .post-list-num{font-size:1.2rem;min-width:36px}
  .footer-about{max-width:100%}
}
@media(max-width:520px){
  .container{padding-left:18px;padding-right:18px}
  .hero{padding:80px 0 70px}
  .hero h1{font-size:1.8rem}
  .hero-desc{font-size:.98rem}
  .hero-buttons .btn{width:100%;text-align:center}
  .brand-text{font-size:1.1rem}
  .section-header h2{font-size:1.55rem}
  .feature-card{padding:28px 22px}
  .category-card-body{padding:24px}
  .category-card-body h3{font-size:1.2rem}
  .subscribe-form .btn{width:100%}
  .stat-item .stat-num{font-size:1.8rem}
  .post-list-item{flex-direction:column;gap:10px}
}

/* roulang page: category1 */
:root {
            --primary: #12357a;
            --primary-light: #1d4b9e;
            --primary-dark: #0b2354;
            --accent: #d4a53a;
            --accent-light: #e8c56b;
            --bg: #f4f6fb;
            --surface: #ffffff;
            --text: #1c2333;
            --muted: #6b7280;
            --border: #e6eaf2;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 12px 32px rgba(18, 53, 122, 0.08);
            --shadow-lg: 0 20px 44px rgba(18, 53, 122, 0.12);
            --transition: 0.3s ease;
            --spacing-section: 5rem;
        }
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: var(--text);
            background: var(--bg);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.35; margin: 0 0 0.5rem; }
        p { margin: 0 0 1rem; }
        a { color: var(--primary); text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }

        /* ===== 导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(18, 53, 122, 0.05);
        }
        .navbar-custom { padding: 12px 0; }
        .brand-logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; }
        .brand-mark {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(18, 53, 122, 0.25);
        }
        .brand-text { font-size: 22px; color: var(--primary); letter-spacing: 0.5px; }
        .brand-text span { color: var(--accent); font-weight: 900; }
        .navbar-custom .nav-link {
            font-weight: 600;
            color: var(--text);
            padding: 8px 16px !important;
            border-radius: 8px;
            margin: 0 2px;
            transition: all 0.3s ease;
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus { color: var(--primary); background: rgba(18, 53, 122, 0.06); }
        .navbar-custom .nav-link.active { color: var(--primary); background: rgba(18, 53, 122, 0.1); }
        .navbar-custom .nav-cta {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: #fff;
            border-radius: 8px;
            padding: 8px 20px !important;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(18, 53, 122, 0.25);
        }
        .navbar-custom .nav-cta:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }
        .navbar-toggler { border: 1px solid var(--border); border-radius: 8px; padding: 4px 10px; }
        .navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(18, 53, 122, 0.12); }
        .navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(18,53,122,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }

        /* ===== 分类页横幅 ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(11, 35, 84, 0.92), rgba(18, 53, 122, 0.78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 100px 0 90px;
            color: #fff;
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(212, 165, 58, 0.12);
            top: -120px;
            right: -60px;
            pointer-events: none;
        }
        .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            font-size: 14px;
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.8);
        }
        .breadcrumb-custom a { color: rgba(255, 255, 255, 0.9); }
        .breadcrumb-custom a:hover { color: var(--accent-light); }
        .category-hero h1 {
            font-size: 48px;
            font-weight: 900;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .category-hero .hero-desc { font-size: 18px; max-width: 640px; color: rgba(255, 255, 255, 0.85); }
        .hero-tags { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
        .hero-tags .tag {
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.14);
            border-radius: 30px;
            font-size: 14px;
            backdrop-filter: blur(4px);
            color: #fff;
        }

        /* ===== 分类简介 ===== */
        .section-block { padding: var(--spacing-section) 0; }
        .intro-section .intro-wrap {
            display: flex;
            flex-direction: column;
            height: 100%;
            justify-content: center;
        }
        .intro-section .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 165, 58, 0.14);
            color: var(--accent);
            font-weight: 700;
            font-size: 14px;
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 14px;
            width: fit-content;
        }
        .intro-section h2 { font-size: 34px; color: var(--primary); margin-bottom: 16px; }
        .intro-section p.lead-text { color: var(--muted); font-size: 16px; }
        .intro-features { list-style: none; padding: 0; margin: 20px 0 0; }
        .intro-features li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            margin-bottom: 14px;
            font-size: 15px;
            color: var(--text);
        }
        .intro-features li i { color: var(--accent); margin-top: 4px; font-size: 18px; width: 22px; text-align: center; }
        .intro-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .intro-image img { width: 100%; height: 380px; object-fit: cover; transition: transform 0.6s ease; }
        .intro-image:hover img { transform: scale(1.03); }
        .intro-image .img-badge {
            position: absolute;
            bottom: 18px;
            left: 18px;
            background: rgba(11, 35, 84, 0.85);
            color: #fff;
            padding: 10px 18px;
            border-radius: 12px;
            font-size: 14px;
            backdrop-filter: blur(4px);
        }

        /* ===== 指南卡片 ===== */
        .cards-section { background: var(--surface); }
        .section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
        .section-head h2 { font-size: 36px; color: var(--primary); }
        .section-head .subtitle { color: var(--muted); font-size: 16px; margin-top: 8px; }
        .guide-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.4s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: rgba(18, 53, 122, 0.2);
        }
        .guide-card .card-img { position: relative; overflow: hidden; height: 200px; }
        .guide-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
        .guide-card:hover .card-img img { transform: scale(1.08); }
        .guide-card .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 35, 84, 0.35), transparent 60%);
        }
        .guide-card .card-cat {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
        }
        .guide-card .card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
        .guide-card .card-body h3 { font-size: 20px; color: var(--primary); margin-bottom: 10px; }
        .guide-card .card-body p { font-size: 14px; color: var(--muted); flex: 1; margin-bottom: 16px; }
        .guide-card .card-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .guide-card .card-bottom .count { font-size: 13px; color: var(--muted); }
        .guide-card .card-bottom .count i { color: var(--accent); margin-right: 4px; }
        .guide-card .card-more {
            font-weight: 700;
            font-size: 14px;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .guide-card .card-more i { transition: transform 0.3s ease; }
        .guide-card .card-more:hover i { transform: translateX(4px); }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(212, 165, 58, 0.1);
            bottom: -150px;
            left: -100px;
        }
        .stats-section .section-head h2 { color: #fff; }
        .stats-section .section-head .subtitle { color: rgba(255, 255, 255, 0.75); }
        .stat-item {
            text-align: center;
            padding: 30px 16px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            backdrop-filter: blur(4px);
        }
        .stat-item .stat-num {
            font-size: 44px;
            font-weight: 900;
            color: var(--accent-light);
            line-height: 1.2;
            display: block;
        }
        .stat-item .stat-label { font-size: 16px; color: rgba(255, 255, 255, 0.85); margin-top: 6px; }

        /* ===== 热门指南列表 ===== */
        .list-section { background: var(--bg); }
        .list-section .section-head { text-align: left; margin-bottom: 36px; }
        .list-section .section-head h2 { font-size: 32px; }
        .list-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }
        .list-tabs .tab-btn {
            padding: 8px 18px;
            border: 1px solid var(--border);
            background: var(--surface);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .list-tabs .tab-btn:hover { border-color: var(--primary); color: var(--primary); }
        .list-tabs .tab-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
        .guide-list { display: flex; flex-direction: column; gap: 16px; }
        .guide-list-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 18px 22px;
            transition: all 0.3s ease;
        }
        .guide-list-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(18, 53, 122, 0.2);
            transform: translateX(4px);
        }
        .guide-list-item .num {
            font-size: 28px;
            font-weight: 900;
            color: var(--border);
            min-width: 48px;
            text-align: center;
        }
        .guide-list-item:hover .num { color: var(--accent); }
        .guide-list-item .item-body { flex: 1; }
        .guide-list-item .item-body h3 { font-size: 17px; margin-bottom: 4px; }
        .guide-list-item .item-body h3 a { color: var(--text); }
        .guide-list-item .item-body h3 a:hover { color: var(--primary); }
        .guide-list-item .item-body .meta { font-size: 13px; color: var(--muted); }
        .guide-list-item .item-body .meta i { margin-right: 4px; color: var(--accent); }
        .guide-list-item .item-status {
            background: rgba(18, 53, 122, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .side-panel {
            background: linear-gradient(160deg, var(--primary-light), var(--primary-dark));
            border-radius: var(--radius);
            padding: 32px 28px;
            color: #fff;
            margin-bottom: 24px;
        }
        .side-panel h3 { font-size: 22px; margin-bottom: 12px; }
        .side-panel p { font-size: 14px; color: rgba(255, 255, 255, 0.8); }
        .side-panel .panel-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 30px;
            margin-top: 10px;
            transition: all 0.3s ease;
            border: none;
        }
        .side-panel .panel-cta:hover { background: #b8912d; color: #fff; transform: translateY(-2px); }
        .side-tips {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
        }
        .side-tips h4 { font-size: 18px; color: var(--primary); margin-bottom: 14px; }
        .side-tips ul { list-style: none; padding: 0; margin: 0; }
        .side-tips ul li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
            color: var(--muted);
            display: flex;
            gap: 8px;
        }
        .side-tips ul li:last-child { border-bottom: none; }
        .side-tips ul li i { color: var(--accent); margin-top: 4px; }

        /* ===== FAQ ===== */
        .faq-section { background: var(--surface); }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: 14px !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--surface);
        }
        .faq-accordion .accordion-button {
            background: var(--surface);
            color: var(--text);
            font-weight: 700;
            font-size: 16px;
            padding: 18px 22px;
            border: none;
            box-shadow: none !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(18, 53, 122, 0.04);
            color: var(--primary);
        }
        .faq-accordion .accordion-button::after {
            color: var(--accent);
        }
        .faq-accordion .accordion-body {
            color: var(--muted);
            font-size: 15px;
            padding: 4px 22px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(11, 35, 84, 0.95), rgba(18, 53, 122, 0.88)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            padding: 80px 0;
            color: #fff;
            position: relative;
        }
        .cta-section .cta-inner { text-align: center; max-width: 620px; margin: 0 auto; }
        .cta-section h2 { font-size: 36px; font-weight: 900; }
        .cta-section p { color: rgba(255, 255, 255, 0.85); font-size: 16px; }
        .cta-subscribe { display: flex; gap: 10px; max-width: 480px; margin: 28px auto 0; }
        .cta-subscribe .form-control {
            border-radius: 30px;
            border: none;
            padding: 14px 22px;
            font-size: 15px;
            background: #fff;
        }
        .cta-subscribe .form-control:focus {
            box-shadow: 0 0 0 3px rgba(212, 165, 58, 0.35);
            border-color: var(--accent);
        }
        .cta-subscribe .btn-subscribe {
            background: var(--accent);
            color: #fff;
            border-radius: 30px;
            padding: 14px 30px;
            font-weight: 700;
            border: none;
            white-space: nowrap;
            transition: all 0.3s ease;
        }
        .cta-subscribe .btn-subscribe:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212, 165, 58, 0.35); }
        .cta-note { font-size: 13px; color: rgba(255, 255, 255, 0.6); margin-top: 14px; }

        /* ===== 页脚 ===== */
        .site-footer { background: var(--primary-dark); color: rgba(255, 255, 255, 0.75); padding: 60px 0 0; }
        .site-footer .brand-text { color: #fff; }
        .site-footer .brand-text span { color: var(--accent); }
        .footer-about { font-size: 14px; color: rgba(255, 255, 255, 0.6); margin-top: 16px; line-height: 1.7; }
        .footer-title { color: #fff; font-size: 17px; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .footer-links { list-style: none; padding: 0; margin: 0; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { color: rgba(255, 255, 255, 0.65); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; transition: all 0.3s ease; }
        .footer-links a:hover { color: var(--accent-light); padding-left: 4px; }
        .footer-links a i { font-size: 12px; color: var(--accent); }
        .footer-contact { list-style: none; padding: 0; margin: 0; }
        .footer-contact li { margin-bottom: 10px; font-size: 14px; display: flex; align-items: center; gap: 10px; }
        .footer-contact li i { color: var(--accent); width: 18px; text-align: center; }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

        /* ===== 按钮通用 ===== */
        .btn-primary {
            background: var(--primary) !important;
            border: 1px solid var(--primary) !important;
            color: #fff !important;
            border-radius: 8px !important;
            font-weight: 600 !important;
            padding: 10px 24px !important;
            transition: all 0.3s ease !important;
        }
        .btn-primary:hover {
            background: var(--primary-dark) !important;
            border-color: var(--primary-dark) !important;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(18, 53, 122, 0.25);
        }
        .btn-outline-light {
            border-radius: 8px !important;
            padding: 10px 24px !important;
            font-weight: 600 !important;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root { --spacing-section: 4rem; }
            .category-hero h1 { font-size: 40px; }
            .section-head h2 { font-size: 30px; }
        }
        @media (max-width: 768px) {
            :root { --spacing-section: 3rem; }
            .category-hero { padding: 70px 0; }
            .category-hero h1 { font-size: 34px; }
            .category-hero .hero-desc { font-size: 16px; }
            .section-head h2 { font-size: 26px; }
            .intro-section .intro-image { margin-top: 30px; }
            .stat-item { padding: 20px 12px; }
            .stat-item .stat-num { font-size: 34px; }
            .guide-list-item { flex-wrap: wrap; }
            .guide-list-item .item-status { margin-left: 66px; }
            .cta-subscribe { flex-direction: column; }
            .cta-subscribe .form-control { width: 100%; }
            .cta-subscribe .btn-subscribe { width: 100%; }
            .footer-bottom .container { flex-direction: column; text-align: center; }
            .navbar-nav { padding: 12px 0; }
            .navbar-nav .nav-item { padding: 4px 0; }
            .navbar-custom .nav-cta { margin-left: 0 !important; display: inline-block; margin-top: 8px; }
        }
        @media (max-width: 520px) {
            .category-hero h1 { font-size: 28px; }
            .category-hero .hero-desc { font-size: 15px; }
            .section-head h2 { font-size: 24px; }
            .guide-card .card-img { height: 180px; }
            .list-tabs { gap: 6px; }
            .list-tabs .tab-btn { padding: 6px 12px; font-size: 13px; }
            .guide-list-item { padding: 14px; gap: 12px; }
            .guide-list-item .num { font-size: 22px; min-width: 36px; }
        }

        /* ===== 动效 ===== */
        .fade-up { animation: fadeUp 0.6s ease both; }
        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        ::selection { background: var(--accent); color: #fff; }
        .btn:focus-visible, a:focus-visible { outline: 3px solid rgba(212, 165, 58, 0.5); outline-offset: 2px; }

/* roulang page: article */
:root {
    --primary: #163a5e;
    --primary-rgb: 22, 58, 94;
    --primary-light: #255e8d;
    --accent: #c7352a;
    --accent-rgb: 199, 53, 42;
    --gold: #c8a34e;
    --bg: #f5f7fa;
    --surface: #ffffff;
    --text: #1f2c37;
    --text-soft: #63778a;
    --border: #dfe6ee;
    --dark: #0f1f2d;
    --dark-soft: #1a2e42;
    --radius-lg: 22px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-xs: 0 2px 8px rgba(20, 40, 60, .05);
    --shadow-sm: 0 4px 16px rgba(20, 40, 60, .07);
    --shadow-md: 0 10px 30px rgba(20, 40, 60, .10);
    --shadow-lg: 0 18px 50px rgba(20, 40, 60, .16);
    --ease: .3s cubic-bezier(.4, 0, .2, 1);
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a {
    text-decoration: none;
    color: inherit;
}
img {
    max-width: 100%;
    height: auto;
}
input,
button,
textarea {
    font: inherit;
}
.container {
    max-width: 1200px;
}
.btn {
    border-radius: 10px;
    font-weight: 600;
    transition: var(--ease);
}
.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 4px 12px rgba(var(--accent-rgb), .18);
}
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background: #a11f17;
    border-color: #a11f17;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(var(--accent-rgb), .28);
}
.btn-outline-primary {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}
.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(var(--primary-rgb), .2);
}
.btn:focus-visible,
.form-control:focus-visible,
.form-control:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), .16);
    border-color: var(--primary-light);
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, .93);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(220, 228, 236, .8);
    box-shadow: 0 2px 18px rgba(15, 31, 45, .05);
}
.site-header .container {
    min-height: 72px;
}
.navbar-custom {
    padding-top: 0;
    padding-bottom: 0;
}
.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: .45rem 0;
}
.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    box-shadow: 0 6px 16px rgba(var(--primary-rgb), .28);
    flex-shrink: 0;
}
.brand-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -.02em;
    line-height: 1.2;
    white-space: nowrap;
}
.brand-text span {
    color: var(--accent);
    font-weight: 700;
}
.navbar-custom .nav-link {
    font-weight: 600;
    color: var(--text);
    padding: .55rem 1rem;
    border-radius: 9px;
    transition: var(--ease);
    position: relative;
}
.navbar-custom .nav-link:hover {
    color: var(--primary);
    background: rgba(var(--primary-rgb), .06);
}
.navbar-custom .nav-link.active {
    color: var(--primary);
    background: rgba(var(--primary-rgb), .10);
}
.nav-cta {
    border-radius: 50px;
    padding: .5rem 1.35rem;
    font-weight: 600;
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), .22);
}
.nav-cta:hover,
.nav-cta:focus {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(var(--accent-rgb), .25);
}
.navbar-toggler {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 10px;
}
.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), .14);
}
.article-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 4.5rem 0 4rem;
    color: #fff;
}
.article-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13, 30, 46, .92), rgba(22, 58, 94, .72));
}
.article-hero .container {
    position: relative;
    z-index: 2;
}
.article-hero .breadcrumb {
    margin-bottom: 1.4rem;
    --bs-breadcrumb-divider: ">";
    --bs-breadcrumb-divider-color: rgba(255, 255, 255, .6);
}
.article-hero .breadcrumb-item a {
    color: rgba(255, 255, 255, .72);
    transition: var(--ease);
}
.article-hero .breadcrumb-item a:hover {
    color: #fff;
}
.article-hero .breadcrumb-item.active {
    color: rgba(255, 255, 255, .92);
}
.article-hero h1 {
    font-size: 2.35rem;
    font-weight: 800;
    line-height: 1.35;
    max-width: 860px;
    margin: 0 0 1.2rem;
    letter-spacing: -.01em;
}
.article-meta-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem 1rem;
}
.meta-chip {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .22);
    backdrop-filter: blur(6px);
    border-radius: 50px;
    padding: .38rem 1rem;
    font-size: .88rem;
    font-weight: 500;
    color: rgba(255, 255, 255, .94);
}
.article-main-section {
    padding: 3rem 0 3.8rem;
}
.article-card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.article-card .card-body {
    padding: 2.2rem;
}
.article-toolbar {
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
    margin-bottom: 1.6rem;
}
.badge.bg-soft {
    background: rgba(var(--primary-rgb), .08);
    color: var(--primary);
    font-weight: 600;
    border-radius: 50px;
    padding: .45em .85em;
    font-size: .82rem;
}
.toolbar-date {
    font-size: .88rem;
    color: var(--text-soft);
    margin-left: .6rem;
}
.toolbar-share {
    align-items: center;
}
.share-label {
    font-size: .88rem;
    color: var(--text-soft);
}
.share-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f0f4f8;
    color: var(--text-soft);
    font-size: .9rem;
    transition: var(--ease);
}
.share-btn:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}
.article-content {
    font-size: 1.03rem;
    line-height: 1.9;
    color: var(--text);
    word-break: break-word;
}
.article-content >:first-child {
    margin-top: 0;
}
.article-content h2 {
    font-size: 1.48rem;
    font-weight: 700;
    margin: 2.2rem 0 1rem;
    padding-left: .95rem;
    border-left: 4px solid var(--accent);
    line-height: 1.4;
    color: var(--text);
}
.article-content h3 {
    font-size: 1.22rem;
    font-weight: 700;
    margin: 1.8rem 0 .9rem;
    color: var(--text);
}
.article-content h4 {
    font-size: 1.08rem;
    font-weight: 700;
    margin: 1.5rem 0 .72rem;
    color: var(--text);
}
.article-content p {
    margin: 0 0 1.25rem;
}
.article-content a {
    color: var(--primary-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-content a:hover {
    color: var(--accent);
}
.article-content ul,
.article-content ol {
    margin: 0 0 1.25rem 1.25rem;
}
.article-content ul li,
.article-content ol li {
    margin-bottom: .5rem;
}
.article-content img {
    border-radius: 12px;
    margin: 1.5rem 0;
    box-shadow: var(--shadow-sm);
}
.article-content blockquote {
    background: #f0f5fa;
    border-left: 4px solid var(--gold);
    padding: 1rem 1.25rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    color: var(--text-soft);
    font-style: italic;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: .95rem;
}
.article-content table th,
.article-content table td {
    border: 1px solid var(--border);
    padding: 10px 14px;
}
.article-content table th {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
}
.article-content hr {
    margin: 2rem 0;
    border-color: var(--border);
}
.article-content code {
    background: #eff4f9;
    padding: .2em .45em;
    border-radius: 5px;
    font-size: .92em;
    color: var(--accent);
}
.article-content pre {
    background: var(--dark);
    color: #dceaf5;
    padding: 1.1rem 1.3rem;
    border-radius: 12px;
    overflow-x: auto;
    margin: 1.5rem 0;
    line-height: 1.6;
}
.article-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}
.tag-item {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    background: #f0f4f8;
    color: var(--text-soft);
    border-radius: 50px;
    padding: .35rem .9rem;
    font-size: .84rem;
    font-weight: 500;
    transition: var(--ease);
}
.tag-item:hover {
    background: rgba(var(--primary-rgb), .1);
    color: var(--primary);
}
.article-sidebar .sidebar-card {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.4rem;
    transition: var(--ease);
}
.article-sidebar .sidebar-card:hover {
    box-shadow: var(--shadow-md);
}
.sidebar-brand-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: .9rem;
    box-shadow: 0 6px 16px rgba(var(--primary-rgb), .25);
}
.sidebar-title {
    font-size: 1.18rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: .45rem;
}
.sidebar-desc {
    font-size: .9rem;
    color: var(--text-soft);
    line-height: 1.7;
    margin-bottom: .9rem;
}
.sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}
.sidebar-menu li {
    border-bottom: 1px solid #eef2f6;
}
.sidebar-menu li:last-child {
    border-bottom: none;
}
.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .68rem .4rem;
    color: var(--text);
    border-radius: 8px;
    font-size: .94rem;
    font-weight: 500;
    transition: var(--ease);
}
.sidebar-menu a i {
    color: var(--primary-light);
    width: 20px;
    text-align: center;
}
.sidebar-menu a:hover {
    background: rgba(var(--primary-rgb), .06);
    color: var(--primary);
    padding-left: .7rem;
}
.sidebar-support-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    padding: 1.6rem;
    color: #fff;
}
.sidebar-support-card .support-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(255, 255, 255, .14);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: .8rem;
}
.sidebar-support-card p {
    color: rgba(255, 255, 255, .85);
    font-size: .9rem;
    margin-bottom: .35rem;
}
.sidebar-support-card a {
    color: #fff;
    font-weight: 600;
    font-size: .95rem;
    word-break: break-all;
}
.sidebar-support-card a:hover {
    text-decoration: underline;
}
.not-found-section {
    padding: 4rem 0;
}
.not-found-card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}
.nf-icon {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    background: rgba(var(--accent-rgb), .09);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
    color: var(--accent);
    margin-bottom: 1rem;
}
.not-found-card h2 {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: .8rem;
}
.nf-desc {
    color: var(--text-soft);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.8;
}
.guide-section {
    background: var(--bg);
    padding: 4rem 0;
}
.section-eyebrow {
    display: inline-block;
    color: var(--accent);
    font-weight: 700;
    font-size: .88rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    margin-bottom: .45rem;
}
.section-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: .6rem;
    letter-spacing: -.02em;
}
.section-subtitle {
    color: var(--text-soft);
    font-size: 1rem;
    max-width: 560px;
    margin: 0 auto;
}
.guide-card {
    display: block;
    height: 100%;
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--ease), box-shadow var(--ease);
}
.guide-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.guide-thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--primary);
}
.guide-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.guide-card:hover .guide-thumb img {
    transform: scale(1.05);
}
.guide-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(255, 255, 255, .94);
    color: var(--primary);
    font-size: .78rem;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 50px;
    box-shadow: 0 4px 10px rgba(15, 31, 45, .12);
    backdrop-filter: blur(4px);
}
.guide-body {
    padding: 1.45rem 1.5rem 1.5rem;
}
.guide-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: .7rem;
    line-height: 1.5;
}
.guide-body p {
    font-size: .9rem;
    color: var(--text-soft);
    line-height: 1.7;
    margin-bottom: 1rem;
}
.guide-more {
    font-size: .88rem;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}
.guide-more i {
    transition: transform var(--ease);
}
.guide-card:hover .guide-more i {
    transform: translateX(4px);
}
.metric-bar-section {
    background: var(--surface);
    padding: 2.6rem 0;
    border-bottom: 1px solid var(--border);
}
.metric-bar {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    flex-wrap: wrap;
    gap: 1.6rem 2rem;
}
.metric-item {
    text-align: center;
    flex: 1;
    min-width: 140px;
}
.metric-value {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -.02em;
    line-height: 1.2;
}
.metric-label {
    font-size: .85rem;
    color: var(--text-soft);
    margin-top: .4rem;
}
.metric-divider {
    width: 1px;
    height: 44px;
    background: var(--border);
    align-self: center;
}
.cta-section {
    position: relative;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    padding: 5rem 0;
    color: #fff;
}
.cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(13, 30, 46, .93), rgba(22, 58, 94, .86));
}
.cta-section .container {
    position: relative;
    z-index: 1;
}
.cta-eyebrow {
    display: inline-block;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 50px;
    padding: .4rem 1.2rem;
    font-size: .84rem;
    font-weight: 600;
    letter-spacing: .08em;
    margin-bottom: 1rem;
}
.cta-title {
    font-size: 2.1rem;
    font-weight: 800;
    letter-spacing: -.02em;
    margin-bottom: .9rem;
}
.cta-subtitle {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, .85);
    max-width: 620px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}
.cta-form {
    max-width: 520px;
    margin: 0 auto;
}
.cta-form .input-group {
    background: #fff;
    border-radius: 60px;
    padding: 5px;
    box-shadow: 0 12px 36px rgba(0, 0, 0, .18);
}
.cta-form .input-group-text {
    background: transparent;
    border: none;
    color: var(--text-soft);
    padding-left: 1.2rem;
    border-radius: 60px 0 0 60px !important;
}
.cta-form .form-control {
    border: none;
    background: transparent;
    box-shadow: none !important;
    height: 52px;
    font-size: .97rem;
    color: var(--text);
}
.cta-form .form-control::placeholder {
    color: #9aaab8;
}
.cta-form .btn-cta {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    border-radius: 50px !important;
    font-weight: 600;
    padding: .65rem 1.6rem;
    transition: var(--ease);
}
.cta-form .btn-cta:hover {
    background: #a11f17;
    border-color: #a11f17;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(var(--accent-rgb), .3);
}
.cta-note {
    font-size: .85rem;
    color: rgba(255, 255, 255, .7);
}
.site-footer {
    background: var(--dark);
    color: #8da0b3;
    padding-top: 4rem;
    font-size: .95rem;
}
.site-footer .brand-logo {
    margin-bottom: 1.1rem;
    padding: 0;
}
.site-footer .brand-text {
    color: #fff;
}
.site-footer .brand-text span {
    color: var(--gold);
}
.footer-brand img,
.footer-brand .brand-mark {
    box-shadow: 0 4px 14px rgba(0, 0, 0, .35);
}
.footer-about {
    color: #8399ac;
    line-height: 1.85;
    margin-bottom: 1.4rem;
    max-width: 360px;
}
.footer-title {
    color: #fff;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: .7rem;
}
.footer-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 32px;
    height: 3px;
    background: var(--accent);
    border-radius: 4px;
}
.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}
.footer-links li {
    margin-bottom: .6rem;
}
.footer-links a {
    color: #7f94a7;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--ease);
}
.footer-links a:hover {
    color: #fff;
    padding-left: 4px;
}
.footer-links a i {
    color: var(--gold);
    font-size: .82rem;
}
.footer-contact {
    list-style: none;
    margin: 0;
    padding: 0;
}
.footer-contact li {
    color: #7f94a7;
    margin-bottom: .65rem;
    display: flex;
    align-items: flex-start;
    gap: 9px;
    word-break: break-all;
}
.footer-contact li i {
    color: var(--gold);
    margin-top: 4px;
    font-size: .9rem;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    margin-top: 3rem;
    padding: 1.35rem 0;
}
.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .5rem 1.5rem;
    color: #617586;
    font-size: .88rem;
}
@media (max-width: 991px) {
    .navbar-collapse {
        background: #fff;
        border-radius: 16px;
        padding: 1.2rem 1.1rem;
        margin-top: .6rem;
        box-shadow: var(--shadow-md);
    }
    .navbar-nav .nav-item {
        margin-left: 0 !important;
    }
    .navbar-nav .nav-item + .nav-item {
        margin-top: .35rem;
    }
    .nav-cta {
        display: inline-block;
        margin-top: .75rem;
    }
    .container {
        max-width: 100%;
        padding-left: 18px;
        padding-right: 18px;
    }
    .article-hero h1 {
        font-size: 1.85rem;
    }
    .guide-section {
        padding: 3rem 0;
    }
    .section-title {
        font-size: 1.7rem;
    }
    .cta-section {
        padding: 3.8rem 0;
    }
    .cta-title {
        font-size: 1.7rem;
    }
}
@media (max-width: 768px) {
    .site-header .container {
        min-height: 64px;
    }
    .brand-text {
        font-size: 1.3rem;
    }
    .brand-mark {
        width: 36px;
        height: 36px;
    }
    .article-hero {
        padding: 3.2rem 0 2.8rem;
    }
    .article-hero h1 {
        font-size: 1.55rem;
    }
    .meta-chip {
        font-size: .82rem;
        padding: .32rem .8rem;
    }
    .article-main-section {
        padding: 1.6rem 0 2.4rem;
    }
    .article-card .card-body {
        padding: 1.4rem;
    }
    .article-toolbar {
        flex-direction: column;
        align-items: flex-start !important;
        gap: .8rem;
    }
    .article-content {
        font-size: 1rem;
    }
    .article-content h2 {
        font-size: 1.25rem;
    }
    .metric-bar {
        gap: 1.2rem 1rem;
    }
    .metric-item {
        min-width: 45%;
    }
    .metric-divider {
        display: none;
    }
    .footer-title {
        margin-top: 1rem;
    }
    .footer-contact {
        margin-bottom: 1rem;
    }
}
@media (max-width: 520px) {
    .container {
        padding-left: 14px;
        padding-right: 14px;
    }
    .brand-text {
        font-size: 1.15rem;
    }
    .brand-mark {
        width: 34px;
        height: 34px;
        font-size: 1rem;
    }
    .article-hero h1 {
        font-size: 1.3rem;
    }
    .guide-body {
        padding: 1.15rem 1.2rem 1.3rem;
    }
    .guide-body h3 {
        font-size: 1rem;
    }
    .not-found-card .card-body {
        padding: 1.4rem !important;
    }
    .metrics-value {
        font-size: 1.4rem;
    }
    .cta-form .input-group {
        padding: 4px;
    }
    .cta-form .btn-cta {
        padding: .55rem 1.1rem;
        font-size: .9rem;
    }
    .cta-title {
        font-size: 1.45rem;
    }
    .cta-subtitle {
        font-size: .92rem;
    }
    .metric-value {
        font-size: 1.35rem;
    }
    .footer-bottom .container {
        justify-content: center;
        text-align: center;
    }
}
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
    }
}