/* roulang page: index */
:root{
  --primary:#17A34A;
  --primary-dark:#15803D;
  --primary-light:#DCFCE7;
  --accent:#F97316;
  --accent-dark:#EA580C;
  --accent-light:#FFEDD5;
  --bg:#F7F7F5;
  --bg-alt:#F0EFEA;
  --ink:#1B1B1B;
  --text-primary:#1A1A1A;
  --text-secondary:#6B7280;
  --text-on-dark:#FFFFFF;
  --border:#E5E5E0;
  --white:#FFFFFF;
  --radius:12px;
  --radius-lg:16px;
  --radius-btn:8px;
  --shadow-sm:0 1px 3px rgba(0,0,0,0.06);
  --shadow-lg:0 8px 24px rgba(0,0,0,0.08);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-num:"DIN Alternate","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text-primary);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}
.container{max-width:1140px}
.text-primary{color:var(--primary)!important}
.text-secondary{color:var(--text-secondary)!important}
.section-pad{padding:72px 0}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--accent);background:var(--accent-light);padding:4px 14px;border-radius:999px;margin-bottom:12px}
.hero .eyebrow{background:rgba(249,115,22,0.14)}
.section-head{margin-bottom:44px}
.section-head h2{font-size:32px;font-weight:700;line-height:1.35;letter-spacing:-.01em;color:var(--text-primary)}
.section-head p{color:var(--text-secondary);font-size:16px;margin-top:8px}
/* 导航 */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav-desktop{display:flex;align-items:center;justify-content:space-between;min-height:72px}
.nav-left,.nav-right{flex:1;display:flex;align-items:center}
.nav-left{gap:28px}
.nav-right{gap:20px;justify-content:flex-end}
.nav-link{font-size:15px;font-weight:500;color:var(--text-primary);position:relative;padding:6px 2px;line-height:1.4}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .25s ease;border-radius:2px}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{width:100%}
.brand-logo{display:flex;align-items:center;gap:9px;padding:0 20px;flex-shrink:0}
.brand-mark{flex-shrink:0}
.brand-text{font-size:20px;font-weight:700;color:var(--text-primary);letter-spacing:-.01em;white-space:nowrap}
.nav-cta{padding:8px 20px;font-size:14px}
.nav-mobile{display:flex;align-items:center;justify-content:space-between;min-height:64px;position:relative}
.brand-logo-mobile{position:absolute;left:50%;transform:translateX(-50%);font-size:17px;font-weight:700;color:var(--text-primary);white-space:nowrap;display:flex;align-items:center;gap:6px}
.hamburger{width:40px;height:40px;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;background:transparent;border:1px solid var(--border);border-radius:8px}
.hamburger:hover{border-color:var(--primary)}
.hamburger span{display:block;width:18px;height:2px;background:var(--text-primary);border-radius:2px;transition:background .2s}
.mobile-nav-dropdown{border-top:1px solid var(--border);background:var(--white);padding:16px 0 20px}
.mobile-nav-link{display:block;padding:12px 0;font-size:15px;font-weight:500;color:var(--text-primary);border-bottom:1px solid var(--bg-alt)}
.mobile-nav-link:hover{color:var(--primary)}
.mobile-nav-link.active{color:var(--primary);font-weight:600}
.mobile-nav-cta{margin-top:16px;width:100%}
/* 按钮 */
.btn{border-radius:var(--radius-btn);font-weight:600;font-size:16px;line-height:1.4;padding:12px 28px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:all .2s ease}
.btn-lg{padding:14px 32px;font-size:16px}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);opacity:.9}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0);opacity:.9}
.btn-outline{background:var(--white);border-color:var(--border);color:var(--text-primary)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.btn:focus-visible{outline:3px solid rgba(23,163,74,0.35);outline-offset:2px}
/* Hero */
.hero{position:relative;overflow:hidden;background:var(--white);padding:80px 0 72px}
.hero .row{align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-light);border-radius:999px;padding:5px 14px;margin-bottom:20px}
.hero h1{font-size:44px;line-height:1.28;font-weight:700;letter-spacing:-.02em;color:var(--text-primary);margin-bottom:16px}
.hero h1 .highlight{color:var(--primary)}
.hero-subtitle{font-size:17px;color:var(--text-secondary);line-height:1.8;margin-bottom:32px;max-width:520px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px}
.hero-trust{display:flex;gap:28px;flex-wrap:wrap;padding:0}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary);font-weight:500}
.hero-trust li svg{color:var(--primary)}
.hero-visual{position:relative;text-align:right}
.hero-img-wrap{position:relative;display:inline-block;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.hero-img{width:100%;max-width:520px;margin-left:auto;border-radius:var(--radius-lg);object-fit:cover}
.hero-orb{position:absolute;right:-32px;top:-32px;width:180px;height:180px;border-radius:50%;background:rgba(23,163,74,0.16);z-index:0}
.hero-img-wrap::before{content:"";position:absolute;left:-40px;bottom:-28px;width:160px;height:160px;border-radius:50%;background:rgba(249,115,22,0.18);z-index:0}
.hero-img-wrap img{position:relative;z-index:1}
.hero-pattern{position:absolute;left:0;top:0;width:100%;height:100%;background-image:radial-gradient(rgba(23,163,74,0.06) 1px,transparent 1px);background-size:22px 22px;pointer-events:none}
/* 步骤 */
.steps-section{background:var(--bg-alt);padding:72px 0;position:relative}
.steps-section .container{position:relative}
.step-card{position:relative;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;height:100%;box-shadow:var(--shadow-sm);transition:box-shadow .25s ease,transform .25s ease;overflow:hidden}
.step-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.step-num{position:absolute;top:8px;right:16px;font-family:var(--font-num);font-size:74px;font-weight:700;line-height:1;color:rgba(23,163,74,0.1);pointer-events:none}
.step-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--primary-light);color:var(--primary);margin-bottom:18px}
.step-card:nth-child(2) .step-icon{background:var(--accent-light);color:var(--accent)}
.step-card h3{font-size:20px;font-weight:600;margin-bottom:10px;color:var(--text-primary)}
.step-card p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:0}
.step-foot{border-top:1px solid var(--border);margin-top:20px;padding-top:14px;font-size:13px;color:var(--primary)}
.step-foot a{font-weight:600}
.step-foot a:hover{color:var(--accent)}
/* 案例统计 */
.stats-section{background:var(--bg-alt) url('/assets/images/backpic/back-2.png') center/cover no-repeat;position:relative;padding:72px 0}
.stats-section::before{content:"";position:absolute;inset:0;background:rgba(240,239,234,0.88)}
.stats-section .container{position:relative;z-index:1}
.stats-grid{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.stat-item{text-align:center;flex:1;min-width:150px}
.stat-number{font-family:var(--font-num);font-size:52px;font-weight:700;color:var(--primary);line-height:1.15;letter-spacing:-.02em}
.stat-number sup{font-size:24px;margin-left:2px}
.stat-label{font-size:14px;color:var(--text-secondary);margin-top:6px}
/* 特色模块 */
.features-section{background:var(--white);padding:72px 0}
.feature-row{display:flex;align-items:center;gap:56px;margin-bottom:64px}
.feature-row:last-child{margin-bottom:0}
.feature-media{flex:1;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.feature-media img{width:100%;height:auto;object-fit:cover;transition:transform .4s ease}
.feature-media:hover img{transform:scale(1.02)}
.feature-content{flex:1}
.feature-content h3{font-size:26px;font-weight:700;margin-bottom:14px;color:var(--text-primary)}
.feature-content p{font-size:15px;color:var(--text-secondary);line-height:1.8;margin-bottom:20px}
.feature-list{padding:0;margin:0}
.feature-list li{position:relative;padding-left:26px;font-size:14px;color:var(--text-primary);margin-bottom:10px;line-height:1.7}
.feature-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--primary)}
.feature-list li:nth-child(2)::before{background:var(--accent)}
.feature-list li:nth-child(3)::before{background:var(--primary)}
.feature-row.reverse .feature-media{order:2}
.feature-row.reverse .feature-content{order:1}
/* FAQ */
.faq-section{background:var(--bg);padding:72px 0}
.faq-accordion .accordion-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;background:var(--white);box-shadow:var(--shadow-sm)}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-header{background:transparent}
.faq-accordion .accordion-button{padding:20px 24px;font-size:16px;font-weight:600;background:var(--white);color:var(--text-primary);box-shadow:none;border-radius:0}
.faq-accordion .accordion-button:not(.collapsed){background:var(--bg-alt);color:var(--primary)}
.faq-accordion .accordion-button:hover{color:var(--primary)}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-accordion .accordion-button::after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%231A1A1A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");background-size:16px;transition:transform .25s ease}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.faq-accordion .accordion-body{padding:8px 24px 22px;font-size:15px;color:var(--text-secondary);line-height:1.8;background:var(--bg-alt)}
/* CTA */
.cta-section{background:linear-gradient(rgba(23,23,23,0.94),rgba(23,23,23,0.97)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;padding:72px 0;position:relative;overflow:hidden}
.cta-section::after{content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;background:rgba(23,163,74,0.30);z-index:0}
.cta-section .container{position:relative;z-index:1}
.cta-title{color:var(--text-on-dark);font-size:32px;font-weight:700;line-height:1.35;margin-bottom:12px}
.cta-desc{color:rgba(255,255,255,0.75);font-size:16px;line-height:1.7;margin-bottom:20px}
.cta-safe{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,0.6);font-size:13px}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form .form-control{flex:1;min-width:220px;background:#2A2A2A;border:1px solid rgba(255,255,255,0.16);border-radius:var(--radius-btn);padding:13px 16px;font-size:15px;color:var(--text-on-dark)}
.cta-form .form-control::placeholder{color:rgba(255,255,255,0.45)}
.cta-form .form-control:focus{background:#333;border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,163,74,0.25);outline:none}
/* 最新信息 */
.news-section{background:var(--white);padding:72px 0}
.news-empty{text-align:center;padding:60px 20px;border:1px dashed var(--border);border-radius:var(--radius);background:var(--bg)}
.news-empty svg{color:#CBD5C0;margin-bottom:12px}
.news-empty p{color:var(--text-secondary);font-size:15px;margin-bottom:0}
.news-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:box-shadow .25s ease,transform .25s ease}
.news-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.news-thumb{position:relative;height:150px;background:linear-gradient(135deg,var(--bg-alt),#E2E8E3);display:flex;align-items:center;justify-content:center;overflow:hidden}
.news-thumb svg{color:#A3B5A5}
.news-badge{position:absolute;top:12px;left:12px;font-size:12px;font-weight:600;background:var(--accent);color:#fff;padding:3px 10px;border-radius:999px}
.news-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1}
.news-cat{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-light);border-radius:999px;padding:3px 10px;align-self:flex-start;margin-bottom:10px}
.news-card h3{font-size:17px;font-weight:600;line-height:1.55;margin-bottom:8px;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a:hover{color:var(--primary)}
.news-card p{font-size:13px;color:var(--text-secondary);line-height:1.7;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--bg-alt);font-size:12px;color:var(--text-secondary);margin-top:auto}
.news-meta a{color:var(--primary);font-weight:600}
.news-meta a:hover{color:var(--accent)}
/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,0.72);padding:60px 0 0}
.footer-brand .footer-logo{font-size:20px;font-weight:700;color:#fff;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,0.6);margin-bottom:0}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.site-footer .footer-col a{display:block;font-size:14px;color:rgba(255,255,255,0.6);margin-bottom:10px;line-height:1.6}
.site-footer .footer-col a:hover{color:var(--primary)}
.site-footer .footer-col p{font-size:14px;color:rgba(255,255,255,0.6);margin-bottom:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);margin-top:44px;padding:20px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,0.5);margin-bottom:0}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-links a{font-size:13px;color:rgba(255,255,255,0.5)}
.footer-links a:hover{color:var(--primary)}
/* 响应式 */
@media (max-width:991.98px){
  .section-pad{padding:56px 0}
  .hero{padding:56px 0}
  .hero h1{font-size:36px}
  .hero-visual{margin-top:40px;text-align:center}
  .hero-img{max-width:100%}
  .feature-row{gap:32px;flex-direction:column}
  .feature-row.reverse{flex-direction:column}
  .feature-row.reverse .feature-media{order:1}
  .feature-row.reverse .feature-content{order:2}
  .stats-grid{gap:24px}
  .stat-number{font-size:44px}
  .cta-title{font-size:28px}
  .cta-form{flex-direction:column}
  .cta-form .form-control{min-width:0}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:767.98px){
  .section-pad{padding:48px 0}
  .hero h1{font-size:30px;line-height:1.35}
  .hero-subtitle{font-size:15px}
  .section-head h2{font-size:26px}
  .step-card{margin-bottom:16px}
  .stats-grid{flex-direction:column;gap:20px}
  .stat-number{font-size:40px}
  .news-card{margin-bottom:20px}
  .footer-bottom p{font-size:12px}
  .footer-links{gap:14px}
}
@media (max-width:575.98px){
  .hero{padding:40px 0}
  .hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .hero-trust{gap:16px;justify-content:center}
  .feature-content h3{font-size:22px}
  .faq-accordion .accordion-button{font-size:15px;padding:16px 18px}
}

/* roulang page: category1 */
:root {
            --primary: #17A34A;
            --primary-dark: #15803D;
            --accent: #F97316;
            --accent-dark: #EA580C;
            --bg: #F7F7F5;
            --bg-alt: #F0EFEA;
            --ink: #1B1B1B;
            --text-primary: #1A1A1A;
            --text-secondary: #6B7280;
            --text-on-dark: #FFFFFF;
            --border: #E5E5E0;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            background: var(--bg);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1140px;
            --bs-gutter-x: 24px;
        }

        .btn {
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            opacity: 0.9;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.7);
        }

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

        .btn-outline-dark {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border);
        }

        .btn-outline-dark:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(23, 163, 74, 0.04);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        /* ===== Header ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.03);
        }

        .site-header .container {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .nav-desktop {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }

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

        .nav-link {
            padding: 8px 14px;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            border-radius: 6px;
            transition: var(--transition);
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link:hover::after {
            transform: scaleX(1);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            transform: scaleX(1);
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            padding: 6px 10px;
            border-radius: 10px;
            transition: var(--transition);
        }

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

        .brand-mark {
            flex-shrink: 0;
        }

        .brand-text {
            letter-spacing: 0.5px;
        }

        .nav-cta {
            margin-left: 8px;
        }

        .nav-mobile {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 8px 0;
        }

        .nav-mobile .btn {
            padding: 6px 14px;
            font-size: 13px;
        }

        .brand-logo-mobile {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .hamburger {
            background: transparent;
            border: none;
            padding: 8px;
            display: flex;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border-radius: 6px;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger:hover span {
            background: var(--primary);
        }

        .mobile-nav-dropdown {
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 12px 0 16px;
        }

        .mobile-nav-dropdown .container {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav-link {
            padding: 10px 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            border-radius: 8px;
            transition: var(--transition);
        }

        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            background: rgba(23, 163, 74, 0.08);
            color: var(--primary);
        }

        .mobile-nav-cta {
            margin-top: 10px;
            display: inline-block;
            text-align: center;
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(100deg, rgba(27, 27, 27, 0.92) 0%, rgba(27, 27, 27, 0.75) 55%, rgba(23, 163, 74, 0.65) 100%);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 96px 0 88px;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(27, 27, 27, 0.9) 0%, rgba(27, 27, 27, 0.7) 55%, rgba(23, 163, 74, 0.55) 100%);
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .page-hero h1 {
            color: #fff;
            font-size: 44px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .page-hero h1 span {
            color: #FFB84D;
        }

        .page-hero .lead {
            color: rgba(255, 255, 255, 0.9);
            font-size: 17px;
            max-width: 560px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-trust {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-pill);
            backdrop-filter: blur(4px);
        }

        .trust-item svg {
            flex-shrink: 0;
        }

        .hero-card {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 16px;
            backdrop-filter: blur(8px);
            padding: 28px;
            color: #fff;
            max-width: 360px;
            margin-left: auto;
        }

        .hero-card h3 {
            font-size: 18px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-card .info-row {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 14px;
        }

        .hero-card .info-row:last-child {
            border-bottom: none;
        }

        .hero-card .info-row .label {
            color: rgba(255, 255, 255, 0.7);
        }

        .hero-card .info-row .value {
            font-weight: 600;
            color: #FFB84D;
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 72px 0;
        }

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

        .section-title-wrap {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-title-wrap h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-title-wrap .section-subtitle {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 640px;
            margin: 0 auto;
        }

        /* ===== Download Channel Cards ===== */
        .channel-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .channel-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(23, 163, 74, 0.3);
        }

        .channel-card .channel-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .channel-card .channel-icon.green {
            background: rgba(23, 163, 74, 0.12);
        }

        .channel-card .channel-icon.orange {
            background: rgba(249, 115, 22, 0.12);
        }

        .channel-card .channel-icon.ink {
            background: rgba(27, 27, 27, 0.08);
        }

        .channel-card h3 {
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .channel-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .channel-tag {
            display: inline-block;
            padding: 3px 12px;
            background: rgba(23, 163, 74, 0.1);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-pill);
        }

        .channel-tag.orange {
            background: rgba(249, 115, 22, 0.12);
            color: var(--accent-dark);
        }

        .channel-tag.ink {
            background: rgba(27, 27, 27, 0.08);
            color: var(--text-primary);
        }

        .channel-link {
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Steps ===== */
        .step-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .step-num {
            font-size: 72px;
            font-weight: 800;
            color: rgba(23, 163, 74, 0.12);
            line-height: 1;
            position: absolute;
            top: 14px;
            right: 20px;
            font-family: "DIN Alternate", "Inter", system-ui;
        }

        .step-icon {
            width: 48px;
            height: 48px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .step-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Prepare Section ===== */
        .prepare-wrap {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .prepare-image {
            height: 100%;
            min-height: 320px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .prepare-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .prepare-list {
            padding: 36px;
        }

        .prepare-item {
            display: flex;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .prepare-item .item-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(23, 163, 74, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .prepare-item h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .prepare-item p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ===== Metrics Band ===== */
        .metrics-band {
            background: var(--ink);
            padding: 60px 0;
        }

        .metrics-band h2 {
            color: #fff;
            text-align: center;
            font-size: 28px;
            margin-bottom: 8px;
        }

        .metrics-band .lead {
            color: rgba(255, 255, 255, 0.7);
            text-align: center;
            font-size: 15px;
            margin-bottom: 40px;
        }

        .metric-item {
            text-align: center;
            padding: 20px;
        }

        .metric-item .metric-value {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            font-family: "DIN Alternate", "Inter", system-ui;
            line-height: 1.2;
        }

        .metric-item .metric-label {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
        }

        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 18px 22px;
            background: #fff;
            box-shadow: none !important;
            transition: var(--transition);
        }

        .accordion-button:not(.collapsed) {
            background: var(--bg-alt);
            color: var(--primary-dark);
            box-shadow: none !important;
        }

        .accordion-button:focus {
            outline: 2px solid rgba(23, 163, 74, 0.3);
            outline-offset: -2px;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2317A34A' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
            transition: transform 0.3s ease;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .accordion-body {
            padding: 16px 22px 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            background: #fff;
        }

        .accordion-item::after {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--primary);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .accordion-item {
            position: relative;
        }

        .accordion-item:has(.accordion-button:not(.collapsed))::after,
        .accordion-item:hover::after {
            opacity: 1;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--ink);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(23, 163, 74, 0.25);
            filter: blur(40px);
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-title {
            color: #fff;
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .cta-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            margin-bottom: 18px;
        }

        .cta-security {
            display: flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .cta-form .form-control {
            background: rgba(255, 255, 255, 0.95);
            border: 1px solid transparent;
            border-radius: var(--radius-btn);
            padding: 13px 18px;
            font-size: 15px;
            flex: 1;
            min-width: 200px;
            transition: var(--transition);
        }

        .cta-form .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(23, 163, 74, 0.2);
            background: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            font-size: 14px;
        }

        .footer-brand {
            margin-bottom: 16px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
            position: relative;
            padding-bottom: 8px;
        }

        .site-footer h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }

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

        .footer-col p {
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            margin-bottom: 0;
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }

        .footer-links {
            display: flex;
            gap: 16px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }

        .footer-links a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .nav-desktop {
                display: none !important;
            }

            .site-header .container {
                height: 60px;
            }

            .page-hero {
                padding: 56px 0 48px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero .lead {
                font-size: 15px;
            }

            .hero-card {
                margin-left: 0;
                margin-top: 28px;
                max-width: 100%;
            }

            .section-block {
                padding: 48px 0;
            }

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

            .prepare-list {
                padding: 24px;
            }

            .prepare-image {
                min-height: 220px;
            }

            .cta-title {
                font-size: 24px;
            }
        }

        @media (max-width: 575.98px) {
            .page-hero h1 {
                font-size: 26px;
            }

            .hero-trust {
                gap: 10px;
            }

            .trust-item {
                padding: 4px 10px;
                font-size: 12px;
            }

            .channel-card {
                padding: 20px;
            }

            .step-card {
                padding: 20px;
            }

            .step-num {
                font-size: 56px;
            }

            .metrics-band .metric-item {
                padding: 12px;
            }

            .metric-item .metric-value {
                font-size: 30px;
            }

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

            .footer-links {
                flex-wrap: wrap;
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
  --primary: #17A34A;
  --primary-dark: #15803D;
  --primary-light: rgba(23, 163, 74, 0.12);
  --accent: #F97316;
  --accent-dark: #EA580C;
  --accent-light: rgba(249, 115, 22, 0.12);
  --bg: #F7F7F5;
  --bg-alt: #F0EFEA;
  --ink: #1B1B1B;
  --ink-soft: #232323;
  --text-primary: #1A1A1A;
  --text-secondary: #6B7280;
  --text-on-dark: #FFFFFF;
  --border: #E5E5E0;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  --font-num: "DIN Alternate", "Inter", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-cn);
  background: var(--bg);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

button, input {
  font-family: inherit;
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 3px solid rgba(23, 163, 74, 0.3);
  outline-offset: 2px;
  box-shadow: none;
}

.container {
  max-width: 1140px;
  --bs-gutter-x: 24px;
}

/* ===== Buttons ===== */
.btn {
  border-radius: var(--radius-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all 0.25s ease;
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(23, 163, 74, 0.28);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
  opacity: 0.9;
}

.btn-accent {
  background: var(--accent);
  border: none;
  color: #fff;
  padding: 12px 28px;
}

.btn-accent:hover,
.btn-accent:focus {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(249, 115, 22, 0.3);
}

.btn-accent:active {
  transform: translateY(0) scale(0.98);
  opacity: 0.92;
}

.btn-outline-light {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  color: #fff;
  padding: 12px 28px;
}

.btn-outline-light:hover,
.btn-outline-light:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}

.btn-sm.nav-cta {
  padding: 7px 20px;
  font-size: 14px;
  border-radius: 8px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-desktop {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 24px;
}

.nav-left,
.nav-right {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-left {
  justify-content: flex-start;
}

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

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.brand-logo:hover {
  color: var(--text-primary);
  opacity: 0.88;
}

.brand-mark {
  flex-shrink: 0;
}

.brand-text {
  letter-spacing: 0.01em;
}

.nav-link {
  position: relative;
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  padding: 6px 2px;
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transition: width 0.28s ease;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-mobile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.hamburger {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
}

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

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--text-primary);
  transition: background 0.2s;
}

.brand-logo-mobile {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.mobile-nav-dropdown {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 16px 0 22px;
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.06);
}

.mobile-nav-link {
  display: block;
  padding: 12px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid #f0f0ec;
}

.mobile-nav-link:hover {
  color: var(--primary);
}

.mobile-nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.mobile-nav-cta {
  width: 100%;
  margin-top: 16px;
}

/* ===== Breadcrumb ===== */
.breadcrumb-bar {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.breadcrumb-wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 14px;
  color: var(--text-secondary);
}

.breadcrumb-wrap a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

.breadcrumb-wrap .sep {
  color: #b3b3ab;
  font-size: 11px;
  margin: 0 4px;
}

.breadcrumb-wrap .current {
  color: var(--text-primary);
  font-weight: 500;
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== Article Section ===== */
.article-section {
  padding: 56px 0 72px;
}

.article-main {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.article-header {
  margin-bottom: 8px;
}

.article-header h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-secondary);
}

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

.meta-item .tag-cat {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 12px;
  border-radius: var(--radius-pill);
}

/* ===== Article Content ===== */
.article-content {
  margin-top: 28px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
}

.article-content > :first-child {
  margin-top: 0;
}

.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  margin: 36px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  margin: 30px 0 12px;
}

.article-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 24px 0 10px;
}

.article-content p {
  margin: 0 0 1.25em;
}

.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-content a:hover {
  color: var(--primary-dark);
}

.article-content ul,
.article-content ol {
  padding-left: 24px;
  margin: 0 0 1.4em;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content li::marker {
  color: var(--primary);
}

.article-content img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 24px 0;
  object-fit: cover;
}

.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--bg-alt);
  padding: 16px 24px;
  margin: 24px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
  font-style: normal;
}

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

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}

.article-content table th,
.article-content table td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}

.article-content table th {
  background: var(--bg-alt);
  font-weight: 600;
}

.article-content code {
  background: var(--bg-alt);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 14px;
  font-family: "SF Mono", "Cascadia Code", Consolas, monospace;
}

.article-content pre {
  background: var(--ink);
  color: #e6e6e6;
  padding: 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 24px 0;
  font-size: 14px;
  line-height: 1.7;
}

.article-content pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.article-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* ===== Article Pagination ===== */
.article-pagination {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
}

.post-nav {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
  max-width: calc(50% - 8px);
}

.post-nav small {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 2px;
}

.post-nav:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.post-nav:hover small {
  color: var(--text-secondary);
}

.post-nav i {
  font-size: 13px;
  flex-shrink: 0;
}

/* ===== Related Posts ===== */
.related-posts {
  margin-top: 56px;
}

.related-posts > h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
  padding-right: 16px;
}

.related-posts > h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 4px;
  border-radius: 4px;
  background: var(--accent);
  opacity: 0.28;
}

.related-card {
  display: block;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  transition: all 0.3s ease;
  height: 100%;
}

.related-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(23, 163, 74, 0.4);
}

.related-card-img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.related-card:hover .related-card-img {
  transform: scale(1.03);
}

.related-card-body {
  padding: 16px 18px 18px;
}

.related-card-body h4 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s;
}

.related-card:hover .related-card-body h4 {
  color: var(--primary);
}

.related-card-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
}

/* ===== Sidebar ===== */
.article-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.side-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.side-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-left: 14px;
  line-height: 1.4;
}

.side-card h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: var(--accent);
}

.hot-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hot-list li {
  border-bottom: 1px dashed var(--border);
}

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

.hot-list a {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 13px 0;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.55;
  transition: color 0.2s;
}

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

.hot-list .num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 14px;
  color: var(--accent);
  flex-shrink: 0;
  line-height: 1.55;
}

.side-cta {
  background: var(--ink);
  border: none;
  color: #fff;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.side-cta::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: rgba(23, 163, 74, 0.32);
  pointer-events: none;
}

.side-cta > * {
  position: relative;
  z-index: 1;
}

.side-cta h3 {
  color: #fff;
  padding-left: 0;
  margin-bottom: 12px;
}

.side-cta h3::before {
  display: none;
}

.side-cta p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.side-cta .btn {
  padding: 10px 20px;
  font-size: 14px;
}

/* ===== Not Found ===== */
.not-found-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 72px 40px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.not-found-card .nf-icon {
  font-size: 48px;
  color: #c9c9be;
  margin-bottom: 20px;
}

.not-found-card h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

/* ===== Article CTA ===== */
.article-cta {
  background: linear-gradient(rgba(27, 27, 27, 0.9), rgba(27, 27, 27, 0.92)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color: #fff;
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.article-cta::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(23, 163, 74, 0.28);
  pointer-events: none;
}

.article-cta .container {
  position: relative;
  z-index: 1;
}

.cta-tag {
  display: inline-flex;
  align-items: center;
  background: rgba(23, 163, 74, 0.22);
  color: #4ADE80;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 18px;
}

.article-cta h2 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
  color: #fff;
}

.cta-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
  margin-bottom: 0;
  max-width: 520px;
}

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

.cta-actions .btn {
  min-width: 150px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
  font-size: 14px;
}

.site-footer h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-brand {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-brand p,
.footer-col p {
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
  margin-bottom: 0;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.58);
  text-decoration: none;
  padding: 4px 0;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 48px;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom p {
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .article-section {
    padding: 40px 0 56px;
  }

  .article-main {
    padding: 28px 22px;
  }

  .article-sidebar {
    position: static;
    margin-top: 8px;
  }

  .cta-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 767.98px) {
  .breadcrumb-bar {
    padding: 10px 0;
  }

  .breadcrumb-wrap .current {
    max-width: 180px;
  }

  .article-section {
    padding: 28px 0 48px;
  }

  .article-main {
    padding: 24px 18px;
    border-radius: var(--radius-md);
  }

  .article-header h1 {
    font-size: 24px;
    line-height: 1.4;
  }

  .article-meta {
    gap: 12px;
    padding-bottom: 16px;
  }

  .article-content {
    font-size: 15px;
    line-height: 1.75;
  }

  .article-content h2 {
    font-size: 21px;
  }

  .article-content h3 {
    font-size: 18px;
  }

  .article-content blockquote {
    padding: 14px 18px;
  }

  .article-pagination {
    flex-direction: column;
  }

  .post-nav {
    max-width: 100%;
  }

  .related-posts > h2 {
    font-size: 21px;
  }

  .article-cta {
    padding: 52px 0;
  }

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

  .cta-desc {
    font-size: 14px;
  }

  .cta-actions .btn {
    width: 100%;
    min-width: 0;
  }

  .not-found-card {
    padding: 52px 24px;
  }

  .site-footer {
    padding-top: 44px;
  }

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

@media (max-width: 575.98px) {
  .container {
    --bs-gutter-x: 18px;
  }

  .article-main {
    padding: 20px 16px;
  }

  .article-header h1 {
    font-size: 21px;
  }

  .meta-item {
    font-size: 12px;
  }

  .related-card-img {
    height: 130px;
  }

  .article-cta h2 {
    font-size: 23px;
  }

  .cta-tag {
    font-size: 12px;
  }

  .breadcrumb-wrap {
    font-size: 13px;
  }

  .breadcrumb-wrap .current {
    max-width: 120px;
  }
}

/* roulang page: category2 */
:root {
  --primary: #17A34A;
  --primary-dark: #15803D;
  --accent: #F97316;
  --accent-dark: #EA580C;
  --bg: #F7F7F5;
  --bg-alt: #F0EFEA;
  --ink: #1B1B1B;
  --text-primary: #1A1A1A;
  --text-secondary: #6B7280;
  --text-light: #9CA3AF;
  --border: #E5E5E0;
  --white: #FFFFFF;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 1px 3px rgba(0,0,0,.06);
  --shadow-hover: 0 8px 24px rgba(0,0,0,.08);
  --transition: all .25s ease;
  --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  --font-num: "DIN Alternate", "Inter", system-ui, sans-serif;
  --bs-gutter-x: 2rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
.container { padding-left: calc(var(--bs-gutter-x) * .5); padding-right: calc(var(--bs-gutter-x) * .5); }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-desktop { align-items: center; justify-content: space-between; padding: 12px 0; min-height: 64px; }
.nav-left, .nav-right { display: flex; align-items: center; gap: 6px; }
.nav-link {
  display: inline-block;
  padding: 8px 14px;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 20px;
  transition: var(--transition);
  position: relative;
}
.nav-link:hover { color: var(--primary); background: rgba(23,163,74,.06); }
.nav-link.active { color: var(--primary); font-weight: 600; background: rgba(23,163,74,.06); }
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.brand-logo .brand-mark { flex-shrink: 0; }
.brand-logo span { letter-spacing: .5px; }
.brand-logo:hover { color: var(--ink); }
.nav-cta { border-radius: var(--radius-sm); padding: 8px 20px; font-weight: 600; white-space: nowrap; }

.nav-mobile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  min-height: 56px;
}
.hamburger {
  background: none;
  border: none;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  border-radius: 6px;
}
.hamburger:hover { background: var(--bg-alt); }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: var(--transition); }
.brand-logo-mobile {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
  text-decoration: none;
}
.mobile-nav-dropdown {
  border-top: 1px solid var(--border);
  background: #fff;
  padding: 16px 0 24px;
}
.mobile-nav-link {
  display: block;
  padding: 12px 0;
  font-size: 15px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}
.mobile-nav-link.active { color: var(--primary); font-weight: 600; }
.mobile-nav-cta { display: block; margin-top: 16px; text-align: center; }

/* ===== Buttons ===== */
.btn {
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 12px 28px;
  font-size: 16px;
}
.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(249,115,22,.3);
}
.btn-accent:active { transform: translateY(0); opacity: .9; }
.btn-outline {
  background: #fff;
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 12px 28px;
  font-size: 16px;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: #fff; }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-sm { padding: 8px 20px; font-size: 14px; }

/* ===== Hero ===== */
.page-hero {
  padding: 88px 0 72px;
  background:
    linear-gradient(120deg, rgba(247,247,245,.97) 0%, rgba(234,244,236,.92) 50%, rgba(247,247,245,.82) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(23,163,74,.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero-title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 18px;
  letter-spacing: -1px;
}
.text-accent { color: var(--accent); }
.hero-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 28px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 28px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-tags .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  background: rgba(255,255,255,.85);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.hero-media { position: relative; text-align: center; }
.hero-media img {
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(0,0,0,.12);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}
.hero-card {
  position: absolute;
  left: 12px;
  bottom: 12px;
  background: rgba(255,255,255,.96);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-hover);
}
.hero-card i { font-size: 20px; color: var(--primary); }
.hero-card strong { display: block; font-size: 14px; line-height: 1.4; }
.hero-card span { font-size: 12px; color: var(--text-secondary); }

/* ===== Section common ===== */
.quick-section, .steps-section, .scenario-section, .faq-section, .cta-section, .resource-section { padding: 80px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head .section-tag {
  display: inline-block;
  background: rgba(23,163,74,.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 12px;
}
.section-head p { color: var(--text-secondary); font-size: 16px; margin-bottom: 0; }

/* ===== Quick Fix Cards ===== */
.quick-section { background: var(--bg); }
.fix-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.fix-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  border-radius: 0 4px 4px 0;
}
.fix-card.green::before { background: var(--primary); }
.fix-card.orange::before { background: var(--accent); }
.fix-card.ink::before { background: var(--ink); }
.fix-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.fix-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}
.fix-icon.green { background: rgba(23,163,74,.1); color: var(--primary); }
.fix-icon.orange { background: rgba(249,115,22,.1); color: var(--accent); }
.fix-icon.ink { background: rgba(27,27,27,.08); color: var(--ink); }
.fix-card h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.fix-card p { font-size: 14px; color: var(--text-secondary); margin-bottom: 14px; line-height: 1.7; }
.fix-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-alt);
  padding: 4px 12px;
  border-radius: 999px;
}

/* ===== Steps ===== */
.steps-section { background: var(--bg-alt); }
.step-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 28px;
  height: 100%;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.step-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.step-number {
  font-family: var(--font-num);
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  color: rgba(23,163,74,.15);
  margin-bottom: 16px;
}
.step-icon {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(249,115,22,.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.step-card h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--text-secondary); margin-bottom: 0; line-height: 1.7; }

/* ===== Scenario ===== */
.scenario-section { background: var(--bg); }
.scenario-media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 16/10;
}
.scenario-list { list-style: none; padding: 0; margin: 0; }
.scenario-list li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.scenario-list li:last-child { border-bottom: none; }
.scenario-list .sc-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  flex-shrink: 0;
  background: rgba(23,163,74,.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.scenario-list h4 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 2px; }
.scenario-list p { font-size: 14px; color: var(--text-secondary); margin-bottom: 0; }

/* ===== Stats Strip ===== */
.stats-strip { background: var(--ink); padding: 40px 0; color: #fff; }
.stat-item { text-align: center; padding: 16px 0; }
.stat-num {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary);
}
.stat-label { font-size: 14px; color: rgba(255,255,255,.7); margin-top: 4px; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-alt); }
.faq-box { max-width: 820px; margin: 0 auto; }
.accordion-item {
  background: #fff;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  margin-bottom: 14px;
  overflow: hidden;
}
.accordion-button {
  background: #fff;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  padding: 18px 24px;
  box-shadow: none;
  border: none;
}
.accordion-button:not(.collapsed) { background: #fff; color: var(--primary); }
.accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(23,163,74,.15);
}
.accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2317A34A' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}
.accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23F97316' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}
.accordion-body { padding: 4px 24px 22px; color: var(--text-secondary); font-size: 15px; line-height: 1.8; }

/* ===== CTA ===== */
.cta-section {
  background: var(--ink);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 240px;
  height: 240px;
  background: rgba(23,163,74,.25);
  border-radius: 50%;
}
.cta-section::after {
  content: "";
  position: absolute;
  left: 30%;
  bottom: -80px;
  width: 160px;
  height: 160px;
  background: rgba(249,115,22,.1);
  border-radius: 50%;
}
.cta-title { font-size: 32px; font-weight: 700; line-height: 1.35; margin-bottom: 16px; position: relative; z-index: 1; }
.cta-desc { color: rgba(255,255,255,.75); font-size: 16px; margin-bottom: 24px; max-width: 480px; position: relative; z-index: 1; }
.cta-secure {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  position: relative;
  z-index: 1;
}
.cta-secure i { color: var(--primary); font-size: 16px; }
.cta-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  z-index: 1;
}
.cta-card label { font-size: 14px; color: rgba(255,255,255,.7); margin-bottom: 8px; display: block; }
.cta-card .form-control {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  color: #fff;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
}
.cta-card .form-control::placeholder { color: rgba(255,255,255,.4); }
.cta-card .form-control:focus {
  background: rgba(255,255,255,.1);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(23,163,74,.2);
  color: #fff;
}
.cta-card .btn-block { width: 100%; margin-top: 14px; }
.cta-card .form-note { font-size: 12px; color: rgba(255,255,255,.45); margin-top: 12px; margin-bottom: 0; text-align: center; }

/* ===== Resource ===== */
.resource-section { background: var(--bg); }
.resource-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  height: 100%;
  display: block;
  color: var(--text-primary);
}
.resource-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  color: var(--primary);
}
.resource-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform .4s ease;
}
.resource-card:hover img { transform: scale(1.03); }
.resource-body { padding: 20px; }
.resource-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.resource-body p { font-size: 14px; color: var(--text-secondary); margin-bottom: 0; line-height: 1.7; }
.resource-body .arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
  margin-top: 12px;
}
.resource-body .arrow-link:hover { gap: 10px; }
.resource-body .arrow-link i { transition: transform .2s ease; }

.more-help-box {
  margin-top: 48px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.more-help-box h3 { font-size: 20px; font-weight: 600; margin-bottom: 4px; }
.more-help-box p { font-size: 14px; color: var(--text-secondary); margin-bottom: 0; }
.more-help-box .btn { flex-shrink: 0; }

/* ===== Footer ===== */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,.8);
  padding: 60px 0 30px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.site-footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}
.site-footer .footer-brand p { font-size: 14px; color: rgba(255,255,255,.6); line-height: 1.7; }
.footer-col a {
  display: block;
  color: rgba(255,255,255,.6);
  font-size: 14px;
  padding: 4px 0;
  text-decoration: none;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--primary); }
.footer-col p { font-size: 14px; color: rgba(255,255,255,.6); margin-bottom: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 20px;
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,.45); margin: 0; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,.45); text-decoration: none; }
.footer-links a:hover { color: var(--primary); }

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .page-hero { padding: 56px 0 48px; }
  .hero-title { font-size: 32px; }
  .hero-media { margin-top: 32px; }
  .cta-card { margin-top: 32px; }
  .scenario-media { margin-bottom: 24px; }
  .quick-section, .steps-section, .scenario-section, .faq-section, .cta-section, .resource-section { padding: 56px 0; }
}
@media (max-width: 767.98px) {
  .page-hero { padding: 44px 0 40px; }
  .hero-title { font-size: 28px; }
  .hero-desc { font-size: 15px; }
  .section-head h2 { font-size: 24px; }
  .fix-card, .step-card { margin-bottom: 16px; }
  .stat-num { font-size: 32px; }
  .cta-title { font-size: 26px; }
  .more-help-box { padding: 22px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .quick-section, .steps-section, .scenario-section, .faq-section, .cta-section, .resource-section { padding: 48px 0; }
}
@media (max-width: 575.98px) {
  .hero-title { font-size: 24px; }
  .hero-actions .btn { width: 100%; text-align: center; }
  .hero-tags { gap: 8px; }
  .hero-tags .tag { font-size: 12px; padding: 5px 12px; }
  .stats-strip { padding: 28px 0; }
  .stat-num { font-size: 28px; }
  .more-help-box { flex-direction: column; text-align: center; }
  .more-help-box .btn { width: 100%; }
}