/* roulang page: index */
:root{
  --primary:#0a0e27;
  --primary-light:#141b3d;
  --gold:#f0b90b;
  --gold-dark:#d4a108;
  --text:#0f172a;
  --text-light:#5a6276;
  --bg-soft:#f6f7fb;
  --border:#e8eaf2;
  --radius-md:12px;
  --radius-lg:20px;
  --radius-xl:28px;
  --shadow-sm:0 4px 16px rgba(10,14,39,0.06);
  --shadow-md:0 12px 40px rgba(10,14,39,0.08);
  --shadow-hover:0 20px 50px rgba(10,14,39,0.14);
  --transition:all .3s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter','PingFang SC','Microsoft YaHei',sans-serif;background:#fff;color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
button{font-family:inherit;cursor:pointer;border:none;outline:none}
input{font-family:inherit;outline:none}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.section-pad{padding:90px 0}
.section-title{font-size:2.1rem;font-weight:800;letter-spacing:-.02em;color:var(--primary);line-height:1.25}
.section-sub{font-size:1.05rem;color:var(--text-light);max-width:640px;margin-top:8px}
.section-head{text-align:center;margin-bottom:56px}
.section-head .tag-line{display:inline-flex;align-items:center;gap:8px;background:rgba(240,185,11,.1);color:var(--gold-dark);font-size:.85rem;font-weight:600;padding:6px 18px;border-radius:100px;margin-bottom:16px;letter-spacing:.04em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:600;font-size:1rem;padding:14px 32px;border-radius:100px;transition:var(--transition);letter-spacing:.01em}
.btn-gold{background:linear-gradient(135deg,var(--gold),#f7d05a);color:#0a0e27;box-shadow:0 8px 24px rgba(240,185,11,.3)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(240,185,11,.45);color:#0a0e27}
.btn-outline{border:2px solid rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.15);transform:translateY(-3px);border-color:#fff}
.btn-dark{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-dark:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.badge{display:inline-block;font-size:.78rem;font-weight:600;padding:4px 14px;border-radius:100px;letter-spacing:.03em}
.badge-gold{background:rgba(240,185,11,.12);color:var(--gold-dark)}
.badge-blue{background:rgba(10,14,39,.08);color:var(--primary)}
.badge-green{background:rgba(16,185,129,.1);color:#059669}
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 20px rgba(10,14,39,.06)}
.header-top{background:#fff;padding:16px 0;border-bottom:1px solid rgba(232,234,242,.6)}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#1e2a52);display:flex;align-items:center;justify-content:center;font-size:1.25rem;color:var(--gold);box-shadow:0 4px 16px rgba(10,14,39,.25)}
.logo-text{font-size:1.35rem;font-weight:800;color:var(--primary);letter-spacing:-.01em}
.logo-text span{color:var(--gold-dark)}
.header-search{display:flex;align-items:center;background:var(--bg-soft);border-radius:100px;padding:6px 8px 6px 20px;width:320px;border:1px solid transparent;transition:var(--transition)}
.header-search:focus-within{border-color:var(--gold);background:#fff;box-shadow:0 0 0 4px rgba(240,185,11,.1)}
.header-search input{flex:1;border:none;background:transparent;font-size:.95rem;color:var(--text);padding:6px 0}
.header-search input::placeholder{color:#9aa1b4}
.search-btn{width:38px;height:38px;border-radius:50%;background:var(--primary);color:var(--gold);display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.search-btn:hover{background:var(--gold);color:var(--primary)}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;background:var(--bg-soft);color:var(--primary);font-size:1.2rem;align-items:center;justify-content:center;transition:var(--transition)}
.menu-toggle:hover{background:var(--primary);color:#fff}
.header-nav{background:var(--primary);border-top:1px solid rgba(255,255,255,.05)}
.nav-inner{display:flex;align-items:center;gap:4px;padding:0 24px;overflow-x:auto;scrollbar-width:none}
.nav-inner::-webkit-scrollbar{display:none}
.nav-link{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;font-size:.95rem;font-weight:600;color:rgba(255,255,255,.75);border-radius:0;position:relative;white-space:nowrap;transition:var(--transition)}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--gold)}
.nav-link.active::after{content:'';position:absolute;bottom:0;left:20px;right:20px;height:3px;background:var(--gold);border-radius:3px 3px 0 0}
.category-hero{position:relative;padding:90px 0;background:linear-gradient(135deg,#0a0e27,#141b3d);overflow:hidden}
.category-hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center center/cover no-repeat;opacity:.4}
.category-hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,39,.88),rgba(10,14,39,.7))}
.category-hero-content{position:relative;z-index:2;max-width:860px;margin:0 auto;text-align:center;padding:0 24px}
.category-hero .breadcrumb{display:inline-flex;align-items:center;gap:10px;color:rgba(255,255,255,.6);font-size:.88rem;margin-bottom:20px}
.category-hero .breadcrumb a{color:rgba(255,255,255,.6);transition:var(--transition)}
.category-hero .breadcrumb a:hover{color:var(--gold)}
.category-hero h1{font-size:2.8rem;font-weight:900;color:#fff;letter-spacing:-.02em;margin-bottom:16px}
.category-hero h1 .gold-text{background:linear-gradient(120deg,var(--gold),#ffe285);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.category-hero p{font-size:1.1rem;color:rgba(255,255,255,.8);max-width:620px;margin:0 auto 32px}
.category-hero-badges{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.category-hero-badges .badge{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.15)}
.guide-intro{padding:90px 0}
.guide-grid{display:grid;grid-template-columns:2fr 1fr;gap:48px;align-items:center}
.guide-text h2{font-size:2.2rem;font-weight:800;color:var(--primary);margin-bottom:24px;line-height:1.3}
.guide-text p{color:var(--text-light);font-size:1.02rem;line-height:1.85;margin-bottom:18px}
.guide-text ul{margin:24px 0;list-style:none}
.guide-text ul li{display:flex;align-items:flex-start;gap:14px;padding:10px 0;font-size:1rem;color:var(--text)}
.guide-text ul li i{color:var(--gold-dark);margin-top:4px}
.guide-image{border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-md);position:relative}
.guide-image img{width:100%;height:420px;object-fit:cover}
.guide-image .img-caption{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(10,14,39,.85));color:#fff;padding:40px 24px 20px;font-size:.9rem}
.steps-section{background:var(--bg-soft);padding:90px 0}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;text-align:center;transition:var(--transition)}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.step-card .step-icon{width:72px;height:72px;border-radius:20px;background:var(--primary);color:var(--gold);font-size:1.8rem;display:flex;align-items:center;justify-content:center;margin:0 auto 24px}
.step-card .step-num{font-size:.85rem;color:var(--gold-dark);font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:8px}
.step-card h3{font-size:1.2rem;font-weight:700;color:var(--primary);margin-bottom:12px}
.step-card p{color:var(--text-light);font-size:.95rem;line-height:1.7}
.tips-section{padding:90px 0}
.tips-banner{background:linear-gradient(135deg,var(--primary),#1e2a52);border-radius:var(--radius-xl);padding:60px;color:#fff;position:relative;overflow:hidden}
.tips-banner::before{content:'';position:absolute;top:-80px;right:-80px;width:280px;height:280px;border-radius:50%;background:rgba(240,185,11,.1)}
.tips-banner h2{font-size:2rem;font-weight:800;margin-bottom:20px}
.tips-banner p{font-size:1.02rem;color:rgba(255,255,255,.75);max-width:600px;line-height:1.8;margin-bottom:30px}
.tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.tip-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);padding:20px 24px;display:flex;gap:16px;transition:var(--transition)}
.tip-item:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.tip-item i{color:var(--gold);font-size:1.2rem;margin-top:2px}
.tip-item div h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:6px}
.tip-item div p{font-size:.9rem;color:rgba(255,255,255,.65);line-height:1.6}
.article-list-section{padding:90px 0}
.article-list-wrap{max-width:900px;margin:0 auto}
.post-list{display:flex;flex-direction:column;gap:16px}
.post-item{display:flex;align-items:center;gap:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:22px 26px;transition:var(--transition)}
.post-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--gold)}
.post-item .post-cat{flex-shrink:0}
.post-item .post-body{flex:1;min-width:0}
.post-item .post-body h3{font-size:1.05rem;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:4px;transition:var(--transition)}
.post-item:hover .post-body h3{color:var(--gold-dark)}
.post-item .post-body p{font-size:.9rem;color:var(--text-light);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.post-item .post-meta{font-size:.82rem;color:#9aa1b4;margin-top:6px}
.post-item .post-arrow{width:40px;height:40px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-light);transition:var(--transition);flex-shrink:0}
.post-item:hover .post-arrow{background:var(--primary);color:var(--gold);border-color:var(--primary);transform:translateX(4px)}
.empty-state{text-align:center;padding:60px 20px;background:#fff;border-radius:var(--radius-lg);border:1px dashed var(--border)}
.empty-state i{font-size:2.5rem;color:#c0c7d8;margin-bottom:16px}
.empty-state p{color:var(--text-light)}
.faq-section{background:var(--bg-soft);padding:90px 0}
.faq-wrap{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:var(--transition)}
.faq-item.active{border-color:var(--gold);box-shadow:var(--shadow-sm)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 28px;background:none;text-align:left;font-size:1rem;font-weight:600;color:var(--text)}
.faq-question:hover{color:var(--gold-dark)}
.faq-question i{font-size:.85rem;color:var(--gold-dark);transition:var(--transition)}
.faq-item.active .faq-question i{transform:rotate(180deg)}
.faq-answer{max-height:0;padding:0 28px;overflow:hidden;transition:max-height .4s ease,padding .3s ease;color:var(--text-light);font-size:.95rem;line-height:1.7}
.faq-item.active .faq-answer{max-height:500px;padding:0 28px 24px}
.cta-band{background:linear-gradient(135deg,var(--gold),#f7d05a);padding:80px 0;text-align:center}
.cta-band h2{font-size:2.4rem;font-weight:900;color:var(--primary);margin-bottom:16px}
.cta-band p{font-size:1.1rem;color:rgba(10,14,39,.75);max-width:620px;margin:0 auto 36px}
.site-footer{background:var(--primary);color:rgba(255,255,255,.7);padding-top:80px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .footer-logo{font-size:1.4rem;font-weight:800;color:#fff;display:flex;align-items:center;gap:12px;margin-bottom:20px}
.footer-brand .footer-logo i{color:var(--gold)}
.footer-brand p{font-size:.95rem;line-height:1.8;max-width:360px}
.footer-col h4{font-size:1rem;font-weight:700;color:#fff;margin-bottom:24px}
.footer-col a{display:block;color:rgba(255,255,255,.6);font-size:.95rem;padding:6px 0;transition:var(--transition)}
.footer-col a:hover{color:var(--gold);padding-left:6px}
.footer-contact p{display:flex;align-items:center;gap:10px;font-size:.95rem;padding:6px 0}
.footer-contact i{color:var(--gold);width:20px;text-align:center}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:24px 0;font-size:.88rem;color:rgba(255,255,255,.45);flex-wrap:wrap;gap:12px}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--gold)}
@media(max-width:1024px){
  .guide-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:2fr 1fr}
  .category-hero h1{font-size:2.2rem}
  .tips-banner{padding:40px}
  .tips-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .header-search{display:none}
  .menu-toggle{display:flex}
  .header-nav{display:none;position:absolute;width:100%;top:100%;left:0;background:var(--primary);box-shadow:0 10px 30px rgba(10,14,39,.2)}
  .header-nav.open{display:block}
  .nav-inner{flex-direction:column;padding:12px}
  .nav-link{width:100%;padding:14px 20px;border-radius:10px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(240,185,11,.12)}
  .section-pad{padding:60px 0}
  .category-hero{padding:60px 0}
  .category-hero h1{font-size:1.8rem}
  .steps-grid{grid-template-columns:1fr}
  .post-item{flex-direction:column;align-items:flex-start;gap:10px;padding:20px}
  .post-item .post-cat{min-width:0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
  .tips-banner{padding:30px 24px}
  .tips-banner h2{font-size:1.6rem}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .category-hero h1{font-size:1.5rem}
  .section-title{font-size:1.6rem}
  .guide-text h2{font-size:1.5rem}
}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(240,185,11,.4);outline-offset:2px}

/* roulang page: category1 */
:root {
            --primary: #1e3a8a;
            --primary-light: #3b82f6;
            --primary-dark: #172554;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg: #f8fafc;
            --bg-deep: #0f172a;
            --bg-soft: #eef2ff;
            --text: #1e293b;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 10px 30px rgba(15, 23, 42, 0.07);
            --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "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;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 0.5em;
            line-height: 1.25;
            font-weight: 700;
            color: var(--text);
        }

        p {
            margin: 0 0 1em;
        }

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-pad {
            padding-top: 84px;
            padding-bottom: 84px;
        }

        .section-sub {
            color: var(--text-weak);
            max-width: 680px;
            margin: 10px auto 0;
        }

        .section-head {
            text-align: center;
            margin-bottom: 54px;
        }

        .section-head h2 {
            font-size: 34px;
            letter-spacing: 1px;
        }

        .section-head p {
            color: var(--text-weak);
            margin-top: 10px;
            font-size: 16px;
        }

        .eyebrow {
            display: inline-block;
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(30, 58, 138, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(59, 130, 246, 0.3);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-gold {
            background: var(--accent);
            color: #1e293b;
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
        }

        .btn-gold:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(245, 158, 11, 0.4);
            color: #1e293b;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.5);
            outline-offset: 2px;
        }

        /* ===== Header ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        .brand-logo i {
            color: var(--accent);
            font-size: 20px;
        }

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

        .header-tools {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .availability-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #f0fdf4;
            border: 1px solid #bbf7d0;
            color: #16a34a;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
        }

        .availability-badge i {
            font-size: 8px;
            color: #22c55e;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 18px;
            color: var(--primary);
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--bg-soft);
        }

        .header-nav {
            border-top: 1px solid var(--border);
            background: #fff;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .nav-inner::-webkit-scrollbar {
            display: none;
        }

        .nav-link {
            display: block;
            padding: 14px 22px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-weak);
            border-bottom: 3px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(30, 58, 138, 0.04);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--accent);
        }

        /* ===== Banner ===== */
        .category-banner {
            background: linear-gradient(135deg, var(--bg-deep) 0%, var(--primary-dark) 60%, var(--primary) 100%);
            position: relative;
            overflow: hidden;
            padding-top: 88px;
            padding-bottom: 88px;
            color: #fff;
        }

        .category-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            z-index: 0;
        }

        .category-banner::after {
            content: "";
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: rgba(245, 158, 11, 0.15);
            border-radius: 50%;
            filter: blur(80px);
            z-index: 0;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }

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

        .breadcrumb .sep {
            opacity: 0.5;
        }

        .breadcrumb .current {
            color: var(--accent-light);
            font-weight: 600;
        }

        .category-banner h1 {
            font-size: 44px;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .category-banner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 34px;
            line-height: 1.8;
        }

        .banner-tags {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .banner-tag {
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(8px);
        }

        /* ===== Features ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 30px;
            border: 1px solid var(--border);
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(15, 23, 42, 0.03);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: #dbeafe;
        }

        .feature-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-soft);
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
        }

        .feature-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .feature-card p {
            color: var(--text-weak);
            font-size: 14px;
            margin-bottom: 0;
        }

        /* ===== Post Cards ===== */
        .post-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .post-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .post-cover {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

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

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

        .post-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, 0.35));
        }

        .post-body {
            padding: 26px 26px 30px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .post-body .tag-row {
            display: flex;
            gap: 8px;
            margin-bottom: 14px;
            flex-wrap: wrap;
        }

        .tag {
            display: inline-block;
            background: var(--bg-soft);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }

        .tag-gold {
            background: rgba(245, 158, 11, 0.12);
            color: #b45309;
        }

        .post-body h3 {
            font-size: 19px;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .post-body h3 a {
            color: var(--text);
        }

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

        .post-body p {
            color: var(--text-weak);
            font-size: 14px;
            flex: 1;
            margin-bottom: 16px;
        }

        .post-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-weak);
        }

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

        /* ===== Steps ===== */
        .steps-section {
            background: var(--bg-deep);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

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

        .steps-section .section-head p {
            color: rgba(255, 255, 255, 0.6);
        }

        .steps-section .eyebrow {
            background: rgba(245, 158, 11, 0.18);
            color: var(--accent-light);
        }

        .step-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 32px 26px;
            position: relative;
            transition: var(--transition);
            backdrop-filter: blur(10px);
        }

        .step-item:hover {
            background: rgba(255, 255, 255, 0.09);
            transform: translateY(-4px);
        }

        .step-num {
            font-size: 44px;
            font-weight: 800;
            color: rgba(245, 158, 11, 0.8);
            line-height: 1;
            margin-bottom: 16px;
            display: block;
        }

        .step-item h3 {
            color: #fff;
            font-size: 18px;
            margin-bottom: 10px;
        }

        .step-item p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            margin-bottom: 0;
        }

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

        .stat-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 34px 24px;
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .stat-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }

        .stat-icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

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

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: #dbeafe;
        }

        .faq-item.open {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
        }

        .faq-q {
            width: 100%;
            background: none;
            border: none;
            padding: 22px 26px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            font-family: inherit;
            transition: var(--transition);
        }

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

        .faq-q .icon {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: var(--transition);
        }

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

        .faq-a {
            display: none;
            padding: 0 26px 24px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.open .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-panel {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius);
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            top: -60px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(245, 158, 11, 0.2);
            border-radius: 50%;
            filter: blur(60px);
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            bottom: -80px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            filter: blur(50px);
        }

        .cta-panel h2 {
            color: #fff;
            font-size: 32px;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-panel p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 30px;
            position: relative;
            z-index: 1;
        }

        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            color: #94a3b8;
            padding: 70px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-logo i {
            color: var(--accent);
        }

        .footer-logo:hover {
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 17px;
            margin-bottom: 18px;
        }

        .footer-col a {
            display: block;
            color: #94a3b8;
            padding: 5px 0;
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 12px;
        }

        .footer-contact i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 22px 0;
            flex-wrap: wrap;
            font-size: 13px;
        }

        .footer-bottom a {
            color: #94a3b8;
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .step-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) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .section-pad {
                padding-top: 60px;
                padding-bottom: 60px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .nav-toggle {
                display: block;
            }

            .header-nav {
                display: none;
                border-top: none;
                border-bottom: 1px solid var(--border);
            }

            .header-nav.open {
                display: block;
            }

            .nav-inner {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding-top: 8px;
                padding-bottom: 12px;
            }

            .nav-link {
                padding: 13px 18px;
                border-bottom: 1px solid var(--border);
                border-left: 3px solid transparent;
            }

            .nav-link.active {
                border-left-color: var(--accent);
                border-bottom-color: var(--border);
                background: var(--bg-soft);
            }

            .category-banner {
                padding-top: 60px;
                padding-bottom: 60px;
            }

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

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

            .cta-panel {
                padding: 40px 24px;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .feature-grid,
            .step-grid,
            .stats-grid {
                grid-template-columns: 1fr;
            }

            .availability-badge {
                display: none;
            }

            .brand-logo {
                font-size: 18px;
            }

            .banner-tags {
                gap: 8px;
            }

            .banner-tag {
                font-size: 12px;
                padding: 4px 12px;
            }

            .post-cover {
                height: 180px;
            }
        }

/* roulang page: article */
:root {
  --primary: #0d1b3e;
  --primary-light: #16295c;
  --accent: #f0b90b;
  --accent-hover: #d4a508;
  --accent-2: #2f7cf6;
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #17233d;
  --muted: #64748b;
  --border: #e8ecf3;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(13, 27, 62, .06);
  --shadow: 0 10px 30px rgba(13, 27, 62, .08);
  --shadow-lg: 0 24px 60px rgba(13, 27, 62, .14);
  --font: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section { padding: 80px 0; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px;
  border-radius: 12px; font-size: 15px; font-weight: 700;
  transition: all .25s; line-height: 1.2;
}
.btn-primary {
  background: var(--accent); color: var(--primary);
  box-shadow: 0 6px 20px rgba(240, 185, 11, .35);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(240, 185, 11, .42);
}
.btn-outline {
  background: transparent; color: #fff;
  border: 2px solid rgba(255, 255, 255, .5);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-dark {
  background: var(--primary); color: #fff;
}
.btn-dark:hover { background: var(--primary-light); transform: translateY(-2px); }
.btn-block { display: flex; width: 100%; }
a:focus-visible, .btn:focus-visible, .nav-link:focus-visible {
  outline: 3px solid rgba(240, 185, 11, .45);
  outline-offset: 2px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 1px 0 var(--border);
}
.header-top {
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  padding: 10px 0;
}
.header-top-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.brand-logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .5px;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-logo i { color: var(--accent); font-size: 20px; }
.header-actions {
  display: flex;
  gap: 24px;
  align-items: center;
  color: #cbd5e1;
}
.header-actions a:hover { color: var(--accent); }
.header-actions i { color: var(--accent); margin-right: 6px; }
.header-nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 56px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  height: 56px;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  border-bottom: 3px solid transparent;
  transition: all .2s;
}
.nav-link:hover { color: var(--primary); background: #f8fafc; }
.nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--accent);
}
.page-banner {
  position: relative;
  padding: 96px 0 72px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
}
.page-banner .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 20, 46, .86) 0%, rgba(13, 27, 62, .72) 50%, rgba(13, 27, 62, .42) 100%);
}
.page-banner-content { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: #cbd5e1;
  margin-bottom: 16px;
}
.breadcrumb a { color: #e2e8f0; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: #94a3b8; }
.page-banner h1 {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 800;
  max-width: 800px;
  margin-top: 14px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 20px;
  color: #cbd5e1;
  font-size: 14px;
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.badge-gold {
  background: rgba(240, 185, 11, .18);
  color: #fde68a;
  border: 1px solid rgba(240, 185, 11, .4);
}
.badge-blue {
  background: #eef4ff;
  color: var(--accent-2);
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-title span { color: var(--accent); }
.section-subtitle { color: var(--muted); font-size: 16px; }
.article-section { background: var(--bg); }
.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  align-items: start;
}
.article-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}
.article-cover img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}
.article-content {
  padding: 40px 44px;
  font-size: 16px;
  line-height: 1.9;
}
.article-content h2 {
  font-size: 26px;
  margin: 32px 0 16px;
  color: var(--primary);
}
.article-content h3 {
  font-size: 20px;
  margin: 24px 0 12px;
  color: var(--primary);
}
.article-content p { margin-bottom: 18px; color: #334155; }
.article-content ul, .article-content ol { margin: 0 0 18px 22px; color: #334155; }
.article-content li { margin-bottom: 8px; }
.article-content a { color: var(--accent-2); font-weight: 600; }
.article-content blockquote {
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  background: #f8fafc;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
  color: #475569;
}
.article-content img { border-radius: 12px; margin: 20px 0; }
.article-empty {
  text-align: center;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 80px 30px;
  box-shadow: var(--shadow-sm);
}
.article-empty i {
  font-size: 48px;
  color: var(--accent);
  margin-bottom: 20px;
}
.article-empty h2 {
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 12px;
}
.article-empty p { color: var(--muted); margin-bottom: 28px; }
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.sidebar-card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 28px;
}
.sidebar-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.sidebar-card h3::after {
  content: '';
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 2px;
}
.sidebar-card h3 i { color: var(--accent); }
.sidebar-entry p {
  color: var(--muted);
  font-size: 14px;
  margin: 12px 0 20px;
}
.sidebar-list { list-style: none; }
.sidebar-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
  color: #475569;
}
.sidebar-list a:hover { color: var(--accent-2); padding-left: 6px; }
.sidebar-list a i { color: var(--accent-2); font-size: 12px; }
.steps-section { background: #fff; border-top: 1px solid var(--border); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.step-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: box-shadow .3s, transform .3s;
}
.step-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.step-number {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  margin-bottom: 18px;
}
.step-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.step-card p { color: var(--muted); font-size: 15px; }
.related-section { background: var(--bg); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.related-card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  display: block;
  transition: box-shadow .3s, transform .3s;
}
.related-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.related-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.related-body { padding: 22px; }
.related-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin: 12px 0 8px;
  line-height: 1.4;
}
.related-body p { color: var(--muted); font-size: 14px; }
.faq-section { background: #fff; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow .3s;
}
.faq-item[open] { box-shadow: var(--shadow-sm); }
.faq-item summary {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 16px;
  color: var(--primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--accent);
  transition: transform .3s;
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-body { padding: 0 24px 20px; color: var(--muted); font-size: 15px; }
.faq-body p { margin-bottom: 8px; }
.cta-section {
  background: linear-gradient(120deg, #0a1226, #0d1b3e 70%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(240, 185, 11, .18), transparent 70%);
  top: -100px;
  right: -80px;
  border-radius: 50%;
}
.cta-inner { position: relative; z-index: 2; text-align: center; }
.cta-section h2 {
  color: #fff;
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
}
.cta-section p {
  color: #cbd5e1;
  margin-top: 14px;
  font-size: 16px;
}
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 32px;
}
.site-footer {
  background: #0a1226;
  color: #94a3b8;
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-logo i { color: var(--accent); }
.footer-brand p {
  margin-top: 14px;
  max-width: 420px;
  line-height: 1.8;
  font-size: 14px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: #94a3b8;
  margin-bottom: 10px;
  font-size: 14px;
}
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact p {
  margin-bottom: 10px;
  font-size: 14px;
}
.footer-contact i { color: var(--accent); margin-right: 8px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding: 20px 0;
  font-size: 14px;
  gap: 8px;
}
@media (max-width: 1024px) {
  .article-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(3, 1fr); }
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .header-actions { display: none; }
  .nav-inner { justify-content: center; }
  .page-banner { padding: 64px 0 48px; }
  .page-banner h1 { font-size: 30px; }
  .article-content { padding: 28px 24px; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .section-title { font-size: 28px; }
  .cta-section h2 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .header-top-inner { flex-direction: column; gap: 6px; }
  .nav-link { height: 48px; padding: 0 14px; font-size: 14px; }
  .page-banner { padding: 52px 0 38px; }
  .page-banner h1 { font-size: 24px; }
  .article-meta { gap: 12px; font-size: 13px; }
  .article-content { padding: 24px 18px; font-size: 15px; }
  .article-cover img { height: 210px; }
  .related-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section-head { margin-bottom: 32px; }
}