/* roulang page: index */
:root{
    --primary:#0E5A4C;
    --primary-dark:#0A453A;
    --primary-light:#1A6B5C;
    --secondary:#B88A3B;
    --secondary-light:#D4A84B;
    --dark:#0B2330;
    --light:#F6F4EF;
    --white:#FFFFFF;
    --text:#24302D;
    --text-light:#75807A;
    --border:#E7E0D5;
    --success:#2E9E6B;
    --warning:#C96442;
    --danger:#C0392B;
    --radius-lg:8px;
    --radius-md:6px;
    --radius-sm:16px;
    --shadow-sm:0 4px 16px rgba(11,35,48,.06);
    --shadow-hover:0 10px 24px rgba(11,35,48,.12);
    --container:1200px;
    --section-pad:96px;
    --font:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);font-size:16px;line-height:1.8;color:var(--text);background:var(--light);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s,border-color .25s,background-color .25s}
a:hover{color:var(--primary-dark)}
ul{list-style:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius-md);font-size:15px;font-weight:600;line-height:1.4;border:1px solid transparent;cursor:pointer;transition:all .25s ease;text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:rgba(14,90,76,.08);color:var(--primary-dark);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-small{padding:8px 18px;font-size:14px}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.section-alt{background:var(--white)}
.section-header{text-align:center;margin-bottom:56px}
.section-eyebrow{font-family:Georgia,serif;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--secondary);display:block;margin-bottom:8px;font-style:italic}
.section-title{font-size:32px;line-height:1.25;color:var(--dark);font-weight:700;letter-spacing:-.01em}
.section-title::after{content:'';display:block;width:56px;height:2px;background:var(--secondary);margin:16px auto 0}
.section-desc{max-width:680px;margin:16px auto 0;color:var(--text-light);font-size:15px}
/* 导航 */
.site-header{position:sticky;top:0;z-index:100;background:transparent;transition:background-color .3s,border-color .3s,box-shadow .3s;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(255,255,255,.98);border-bottom-color:var(--border);box-shadow:0 2px 12px rgba(0,0,0,.04)}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-left,.nav-right{display:flex;align-items:center;gap:28px}
.nav-link{font-size:15px;font-weight:500;color:var(--text);padding:6px 2px;position:relative;white-space:nowrap}
.nav-link::after{content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--secondary);transition:width .25s}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{width:100%}
.brand-center{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:10px}
.brand-mark{display:flex;align-items:center;justify-content:center;background:var(--primary);border-radius:6px;width:32px;height:32px;color:#fff;font-size:15px;font-weight:800}
.brand-text{font-size:20px;font-weight:700;color:var(--dark);letter-spacing:-.01em}
.nav-right .btn{margin-left:8px}
.nav-toggle{display:none;width:44px;height:44px;background:transparent;border:none;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:6px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);transition:transform .25s,opacity .25s}
.nav-toggle:hover{background:rgba(14,90,76,.06)}
/* 移动菜单 */
.mobile-menu{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--dark);z-index:99;display:flex;flex-direction:column;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-nav{display:flex;flex-direction:column;gap:24px;text-align:center;margin-bottom:40px}
.mobile-nav .nav-link{color:#fff;font-size:20px}
.mobile-nav .nav-link.active{color:var(--secondary-light)}
.mobile-cta{min-width:200px}
.mobile-menu-close{position:absolute;top:20px;right:20px;width:44px;height:44px;background:rgba(255,255,255,.1);border:none;border-radius:6px;color:#fff;font-size:18px;cursor:pointer}
/* Hero */
.hero{position:relative;min-height:70vh;display:flex;align-items:center;background-color:var(--dark);overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,35,48,.88) 0%,rgba(11,35,48,.45) 50%,rgba(11,35,48,.1) 100%)}
.hero-content{position:relative;z-index:2;padding:80px 24px;max-width:600px;margin-left:max(24px,calc((100% - 1200px)/2 + 0px))}
.hero-eyebrow{font-family:Georgia,serif;font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:var(--secondary-light);margin-bottom:16px;display:block;font-style:italic}
.hero-content h1{font-size:46px;line-height:1.22;color:#fff;font-weight:700;letter-spacing:-.02em;margin-bottom:16px}
.hero-content h1 .text-accent{border-bottom:2px solid var(--secondary);padding-bottom:4px;color:var(--secondary-light)}
.hero-sub{font-size:17px;color:rgba(255,255,255,.92);margin-bottom:32px;line-height:1.6}
.hero-actions{display:flex;gap:16px;margin-bottom:48px;flex-wrap:wrap}
.hero-trust{display:flex;gap:32px;flex-wrap:wrap}
.trust-item{font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.85);display:flex;align-items:center;gap:8px}
.trust-item i{color:var(--secondary-light);font-size:14px}
/* 服务板块 */
.services{background:var(--light)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.services-grid--center{display:flex;justify-content:center;gap:24px;margin-top:24px}
.service-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;transition:transform .3s,border-color .3s,box-shadow .3s}
.service-card:hover{transform:translateY(-4px);border-color:var(--secondary);box-shadow:var(--shadow-hover)}
.service-icon{font-size:28px;color:var(--primary);margin-bottom:20px;transition:transform .3s}
.service-card:hover .service-icon{transform:translateY(2px)}
.service-card h3{font-size:20px;margin-bottom:10px;color:var(--dark)}
.service-card p{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:16px}
.service-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.service-link:hover{color:var(--primary-dark)}
.service-link i{font-size:12px;transition:transform .25s}
.service-link:hover i{transform:translateX(4px)}
.services-grid--center .service-card{flex:0 0 calc(33.333% - 8px);max-width:380px}
/* 数据区 */
.stats{background:var(--dark);position:relative;overflow:hidden}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}
.stat-item{padding:40px 20px;border-right:1px solid rgba(255,255,255,.1)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:48px;font-weight:700;color:#fff;line-height:1.2}
.stat-num .stat-unit{font-size:22px;color:var(--secondary-light);margin-left:2px}
.stat-label{font-size:14px;color:rgba(255,255,255,.7);margin-top:8px;letter-spacing:.04em}
/* 案例区 */
.cases{background:var(--light)}
.cases-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.cases-header .section-title::after{margin:12px 0 0}
.cases-arrows{display:flex;gap:12px}
.case-arrow{width:44px;height:44px;border:1px solid var(--border);background:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text);transition:all .25s}
.case-arrow:hover{border-color:var(--primary);color:var(--primary);background:rgba(14,90,76,.05)}
.cases-row{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:16px;scrollbar-width:none}
.cases-row::-webkit-scrollbar{display:none}
.case-card{flex:0 0 320px;scroll-snap-align:start;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:border-color .3s,box-shadow .3s}
.case-card:hover{border-color:var(--secondary);box-shadow:var(--shadow-hover)}
.case-cover{position:relative;height:200px;overflow:hidden}
.case-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.case-card:hover .case-cover img{transform:scale(1.03)}
.case-tag{position:absolute;top:12px;left:12px;background:rgba(11,35,48,.75);color:#fff;font-size:12px;padding:4px 12px;border-radius:16px;backdrop-filter:blur(4px)}
.case-body{padding:24px}
.case-body h3{font-size:17px;color:var(--dark);margin-bottom:8px}
.case-body p{font-size:14px;color:var(--text-light);line-height:1.65}
.case-date{display:block;margin-top:12px;font-size:12px;color:var(--text-light)}
/* 解决方案 */
.solutions{background:var(--white)}
.solution-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:40px 0}
.solution-row+.solution-row{border-top:1px solid var(--border)}
.solution-image{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-hover)}
.solution-image img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.solution-content h3{font-size:28px;color:var(--dark);margin-bottom:16px;font-weight:700;letter-spacing:-.01em}
.solution-content p.solution-desc{color:var(--text-light);margin-bottom:24px;font-size:15px}
.solution-list{margin-bottom:28px}
.solution-list li{display:flex;align-items:flex-start;gap:12px;padding:8px 0;font-size:15px;color:var(--text)}
.solution-list li i{color:var(--success);margin-top:5px;font-size:14px;flex-shrink:0}
.solution-more{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:600;font-size:15px}
.solution-more:hover{color:var(--primary-dark)}
.solution-more i{transition:transform .25s}
.solution-more:hover i{transform:translateX(4px)}
/* 资讯 */
.news{background:var(--light)}
.news-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px;flex-wrap:wrap;gap:16px}
.news-more-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.news-more-link i{font-size:12px}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:border-color .3s,box-shadow .3s;text-decoration:none}
.news-card:hover{border-color:var(--secondary);box-shadow:var(--shadow-hover);text-decoration:none}
.news-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.badge{display:inline-flex;align-items:center;background:rgba(14,90,76,.08);color:var(--primary);font-size:12px;font-weight:600;padding:3px 12px;border-radius:16px}
.news-date{font-size:13px;color:var(--text-light)}
.news-card h3{font-size:18px;color:var(--dark);margin-bottom:8px;line-height:1.45;transition:color .25s}
.news-card:hover h3{color:var(--primary)}
.news-card .news-summary{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:16px;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-footer{display:flex;align-items:center;justify-content:space-between}
.news-more{font-size:13px;font-weight:600;color:var(--primary)}
.news-empty{border:1px dashed var(--border);border-radius:var(--radius-lg);padding:60px 24px;text-align:center;color:var(--text-light);font-size:15px;background:rgba(255,255,255,.5);width:100%}
.news-empty i{font-size:32px;color:var(--border);margin-bottom:12px;display:block}
/* FAQ */
.faq{background:var(--white)}
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-toggle{display:flex;align-items:center;gap:16px;padding:20px 0;cursor:pointer;width:100%;background:transparent;border:none;text-align:left}
.faq-num{font-size:14px;font-weight:700;color:var(--secondary);flex-shrink:0}
.faq-q{font-size:17px;font-weight:600;color:var(--text);flex:1}
.faq-icon{flex-shrink:0;color:var(--primary);font-size:18px;transition:transform .3s}
.faq-item.active .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;padding-left:44px;color:var(--text-light);font-size:15px;line-height:1.7}
.faq-item.active .faq-a{max-height:300px;padding-bottom:20px}
/* 联系 */
.contact{background:var(--dark);position:relative;overflow:hidden}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.contact-info h2{color:#fff;font-size:30px;margin-bottom:8px}
.contact-info .contact-sub{color:rgba(255,255,255,.75);font-size:15px;margin-bottom:32px}
.contact-items{display:flex;flex-direction:column;gap:24px;margin-bottom:40px}
.contact-item{display:flex;gap:16px;align-items:flex-start}
.contact-item i{font-size:18px;color:var(--secondary-light);margin-top:4px;width:24px;text-align:center}
.contact-item h4{color:#fff;font-size:15px;margin-bottom:4px}
.contact-item p{color:rgba(255,255,255,.65);font-size:14px;line-height:1.6}
.contact-hours{background:rgba(255,255,255,.05);border-radius:8px;padding:24px;border:1px solid rgba(255,255,255,.08)}
.contact-hours h4{color:#fff;font-size:15px;margin-bottom:12px}
.contact-hours p{color:rgba(255,255,255,.65);font-size:14px;line-height:1.8}
.contact-form{background:var(--white);border-radius:12px;padding:40px;box-shadow:var(--shadow-hover)}
.contact-form .form-title{font-size:20px;font-weight:700;color:var(--dark);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}
.form-group input,.form-group textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:var(--font);color:var(--text);background:var(--white);transition:border-color .25s,box-shadow .25s}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 2px 0 var(--primary)}
.form-group textarea{min-height:100px;resize:vertical}
.form-submit .btn{width:100%;padding:14px}
/* 页脚 */
.site-footer{background:#0B2330;color:rgba(255,255,255,.7);padding-top:64px}
.footer-top{border-top:1px solid rgba(184,138,59,.4)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;padding:56px 0}
.footer-brand .brand-text{color:#fff;font-size:22px}
.footer-brand p{font-size:14px;line-height:1.7;margin-top:16px;color:rgba(255,255,255,.6)}
.footer-grid h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.6);font-size:14px;transition:color .25s,padding-left .25s}
.footer-links a:hover{color:var(--secondary-light);padding-left:4px}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact span{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.6)}
.footer-contact i{color:var(--secondary-light);width:16px;text-align:center}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:14px;color:rgba(255,255,255,.45);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
/* 响应式 */
@media(max-width:1100px){
    .nav-left{gap:20px}
    .nav-right{gap:20px}
    .solutions-grid .solution-row{grid-template-columns:1fr;gap:32px}
}
@media(max-width:900px){
    .section{padding:72px 0}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .stat-item:nth-child(2){border-right:none}
    .stat-item:nth-child(3),.stat-item:nth-child(4){border-top:1px solid rgba(255,255,255,.08)}
    .news-grid{grid-template-columns:1fr}
    .services-grid{grid-template-columns:repeat(2,1fr)}
    .services-grid--center{flex-direction:column;align-items:center}
    .services-grid--center .service-card{width:100%;max-width:100%}
    .contact-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
    .solution-row{grid-template-columns:1fr;gap:32px}
    .solution-image img{aspect-ratio:16/10}
}
@media(max-width:768px){
    .nav-left,.nav-right{display:none}
    .nav-toggle{display:flex}
    .brand-center{position:relative;left:auto;transform:none;margin-right:auto}
    body{font-size:15px}
    .hero-content{padding:60px 24px;max-width:100%}
    .hero-content h1{font-size:32px}
    .hero-trust{gap:20px}
    .section{padding:48px 0}
    .section-title{font-size:26px}
    .stats-grid{grid-template-columns:1fr 1fr}
    .contact-form{padding:28px}
    .form-row{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;gap:32px;padding:40px 0}
}
@media(max-width:520px){
    .container{padding-left:16px;padding-right:16px}
    .hero-content h1{font-size:26px}
    .hero-actions{flex-direction:column}
    .hero-actions .btn{width:100%}
    .stats-grid{grid-template-columns:1fr}
    .stat-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.08)}
    .services-grid{grid-template-columns:1fr}
    .services-grid--center .service-card{max-width:none}
    .case-card{flex-basis:260px}
    .footer-bottom{flex-direction:column;text-align:center}
}

/* roulang page: category1 */
:root {
            --primary: #0E5A4C;
            --primary-dark: #093D33;
            --secondary: #B88A3B;
            --secondary-light: #D4AF6A;
            --dark: #0B2330;
            --bg: #F6F4EF;
            --card: #FFFFFF;
            --text: #24302D;
            --text-light: #75807A;
            --border: #E7E0D5;
            --success: #2E9E6B;
            --warning: #C96442;
            --error: #C0392B;
            --radius-card: 8px;
            --radius-btn: 6px;
            --radius-tag: 16px;
            --shadow: 0 4px 16px rgba(11, 35, 48, 0.06);
            --shadow-hover: 0 10px 24px rgba(11, 35, 48, 0.12);
            --font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --space: 96px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s, border-color 0.25s, box-shadow 0.25s;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        .section {
            padding: var(--space) 0;
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }

        .section-head .en-label {
            font-family: Georgia, "Times New Roman", serif;
            font-style: italic;
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--secondary);
            display: block;
            margin-bottom: 8px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 16px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            line-height: 1.4;
            text-decoration: none;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

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

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

        .btn-outline:hover {
            background: rgba(14, 90, 76, 0.1);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            background: transparent;
        }

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

        .btn-small {
            padding: 8px 20px;
            font-size: 14px;
            border-radius: 20px;
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* Header Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: transparent;
            transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            height: 64px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 16px rgba(11, 35, 48, 0.08);
            border-bottom: 1px solid var(--border);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            position: relative;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 28px;
            z-index: 2;
        }

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

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            padding: 6px 2px;
            position: relative;
            transition: color 0.25s;
            text-decoration: none;
            border: none;
        }

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

        .nav-link.active {
            color: #fff;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .site-header.scrolled .nav-link {
            color: var(--text);
        }

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

        .site-header.scrolled .nav-link.active {
            color: var(--primary);
        }

        .site-header.scrolled .nav-link.active::after {
            background: var(--secondary);
        }

        .brand-center {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 3;
            text-decoration: none;
        }

        .brand-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .site-header.scrolled .brand-text {
            color: var(--dark);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            cursor: pointer;
            z-index: 1001;
            border-radius: 6px;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform 0.25s, opacity 0.25s, background 0.25s;
        }

        .site-header.scrolled .nav-toggle span {
            background: var(--dark);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: fixed;
            inset: 0;
            background: var(--dark);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 16px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.25s ease, visibility 0.25s ease;
        }

        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu a {
            color: #fff;
            font-size: 22px;
            font-weight: 500;
            padding: 12px 16px;
            text-decoration: none;
            transition: color 0.25s;
        }

        .mobile-menu a:hover {
            color: var(--secondary);
        }

        .mobile-menu a.active {
            color: var(--secondary);
            border-bottom: 2px solid var(--secondary);
        }

        .mobile-menu .btn {
            margin-top: 16px;
        }

        /* Hero */
        .category-hero {
            position: relative;
            padding-top: 64px;
            min-height: 320px;
            display: flex;
            align-items: center;
            background-image: linear-gradient(rgba(11, 35, 48, 0.75), rgba(11, 35, 48, 0.55)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle, transparent 1px, rgba(255, 255, 255, 0.03) 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 48px;
            align-items: center;
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .category-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 12px;
            color: #fff;
        }

        .category-hero h1 span {
            color: var(--secondary);
            position: relative;
        }

        .category-hero .hero-desc p {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.9);
            max-width: 520px;
            margin-left: auto;
        }

        .hero-breadcrumb {
            padding: 16px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
        }

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

        .hero-breadcrumb .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.5);
        }

        .hero-breadcrumb .current {
            color: var(--secondary);
        }

        /* Service Cards Offset Layout */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .services-grid .card-service:nth-child(4) {
            transform: translateX(16%);
        }

        .services-grid .card-service:nth-child(5) {
            transform: translateX(34%);
        }

        .card-service {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px;
            transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
            box-shadow: var(--shadow);
        }

        .card-service:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .card-service .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: rgba(14, 90, 76, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 22px;
            color: var(--primary);
            transition: transform 0.3s;
        }

        .card-service:hover .icon-wrap {
            transform: translateY(2px);
        }

        .card-service h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
            line-height: 1.4;
        }

        .card-service p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .card-service .link-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            text-decoration: none;
            transition: color 0.25s, gap 0.25s;
        }

        .card-service .link-more:hover {
            color: var(--secondary);
            gap: 8px;
        }

        /* Service Detail Blocks */
        .service-detail {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .service-detail.reverse .service-image {
            order: 2;
        }

        .service-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow);
            aspect-ratio: 4/3;
        }

        .service-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .service-image:hover img {
            transform: scale(1.03);
        }

        .service-content h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 16px;
        }

        .service-content p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .service-check-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            margin-bottom: 12px;
            font-size: 15px;
            color: var(--text);
        }

        .service-check-list li i {
            color: var(--primary);
            margin-top: 4px;
        }

        /* Stats */
        .stats-section {
            background: var(--primary);
            position: relative;
            padding: 80px 0;
            overflow: hidden;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 28px 28px;
            pointer-events: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
            z-index: 2;
        }

        .stat-item {
            text-align: center;
            padding: 16px 24px;
            border-left: 1px solid rgba(255, 255, 255, 0.12);
        }

        .stat-item:first-child {
            border-left: none;
        }

        .stat-number {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .stat-number .unit {
            color: var(--secondary);
            font-size: 24px;
            margin-left: 2px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 8px;
        }

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

        .process-item {
            text-align: center;
            position: relative;
            padding: 32px 16px;
        }

        .process-item::after {
            content: "→";
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            font-size: 24px;
            color: var(--secondary);
            opacity: 0.5;
        }

        .process-item:last-child::after {
            display: none;
        }

        .process-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 12px rgba(14, 90, 76, 0.2);
        }

        .process-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .process-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* Featured Cases */
        .cases-scroll {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            padding: 8px 4px 24px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .cases-scroll::-webkit-scrollbar {
            display: none;
        }

        .case-card {
            flex: 0 0 340px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color 0.3s, box-shadow 0.3s;
            scroll-snap-align: start;
            box-shadow: var(--shadow);
        }

        .case-card:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-hover);
        }

        .case-card .card-cover {
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .case-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }

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

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

        .case-card .badge {
            display: inline-block;
            background: rgba(14, 90, 76, 0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            margin-bottom: 12px;
        }

        .case-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .case-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 12px;
        }

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

        .scroll-arrows {
            display: flex;
            justify-content: flex-end;
            gap: 12px;
            margin-bottom: 24px;
        }

        .scroll-btn {
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 50%;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--primary);
            transition: all 0.25s;
        }

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

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

        .scenario-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px;
            transition: border-color 0.3s, box-shadow 0.3s;
        }

        .scenario-card:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-hover);
        }

        .scenario-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(184, 138, 59, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 18px;
            color: var(--secondary);
        }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-list {
            max-width: 880px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 8px;
            cursor: pointer;
            gap: 16px;
            min-height: 44px;
            transition: color 0.25s;
        }

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

        .faq-question .faq-num {
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            margin-right: 16px;
            min-width: 28px;
        }

        .faq-question .faq-q-text {
            flex: 1;
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            position: relative;
            flex-shrink: 0;
            transition: transform 0.3s;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--secondary);
            border-radius: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .faq-icon::before {
            width: 16px;
            height: 2px;
        }

        .faq-icon::after {
            width: 2px;
            height: 16px;
            transition: opacity 0.3s;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding-left: 48px;
            padding-right: 40px;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding-bottom: 24px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: var(--dark);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(135deg, transparent 60%, rgba(184, 138, 59, 0.06) 100%);
            pointer-events: none;
        }

        .cta-inner {
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .cta-inner h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            padding-top: 64px;
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(to right, transparent, var(--secondary), transparent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .brand-text {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            margin-left: 8px;
        }

        .footer-brand .brand-line {
            display: flex;
            align-items: center;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 12px;
        }

        .site-footer h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-links a::before {
            content: "·";
            color: var(--secondary);
            font-weight: 700;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact span {
            font-size: 14px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact span i {
            color: var(--secondary);
            margin-top: 4px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* Responsive */
        @media (max-width: 1100px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .process-item::after {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
            .category-hero .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .category-hero .hero-desc p {
                margin-left: 0;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space: 48px;
            }
            .site-header {
                background: rgba(11, 35, 48, 0.85);
            }
            .site-header.scrolled {
                background: rgba(255, 255, 255, 0.98);
            }
            .nav-left,
            .nav-right {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .brand-text {
                font-size: 18px;
            }
            .category-hero {
                min-height: auto;
                padding-top: 100px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .container {
                padding-top: 24px;
                padding-bottom: 24px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .services-grid .card-service:nth-child(4),
            .services-grid .card-service:nth-child(5) {
                transform: none;
            }
            .service-detail,
            .service-detail.reverse {
                grid-template-columns: 1fr;
                grid-template-rows: auto auto;
            }
            .service-detail.reverse .service-image {
                order: 0;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px 0;
            }
            .stat-item {
                border-left: none;
            }
            .stat-item:nth-child(even) {
                border-left: 1px solid rgba(255, 255, 255, 0.12);
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .btn {
                width: 100%;
            }
            .scroll-arrows {
                display: none;
            }
            .case-card {
                flex-basis: 280px;
            }
            .hero-breadcrumb {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-mark {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
            .brand-text {
                font-size: 16px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .section-head p {
                font-size: 15px;
            }
            .stat-number {
                font-size: 36px;
            }
            .stat-label {
                font-size: 13px;
            }
            .card-service {
                padding: 24px;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .faq-question {
                padding: 20px 4px;
            }
            .faq-question .faq-q-text {
                font-size: 16px;
            }
            .faq-answer {
                padding-left: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root{
  --primary:#0E5A4C;
  --primary-dark:#0A453A;
  --secondary:#B88A3B;
  --ink:#0B2330;
  --bg:#F6F4EF;
  --card-bg:#FFFFFF;
  --text:#24302D;
  --text-muted:#75807A;
  --border:#E7E0D5;
  --success:#2E9E6B;
  --warning:#C96442;
  --error:#C0392B;
  --radius-card:8px;
  --radius-btn:6px;
  --radius-tag:16px;
  --shadow:0 4px 16px rgba(11,35,48,0.06);
  --shadow-hover:0 10px 24px rgba(11,35,48,0.12);
  --container:1200px;
  --font:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --serif:Georgia,"Times New Roman",serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark);text-decoration:underline;text-decoration-color:var(--secondary)}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font-family:inherit;font-size:16px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 32px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  transition:all .2s ease;
  text-decoration:none;
  cursor:pointer;
  line-height:1.4;
}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);text-decoration:none}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:rgba(14,90,76,.08);transform:translateY(-2px);box-shadow:var(--shadow);text-decoration:none}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px);text-decoration:none}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:var(--bg);transform:translateY(-2px);box-shadow:var(--shadow-hover);color:var(--primary);text-decoration:none}
.btn-secondary{background:var(--secondary);color:#fff}
.btn-secondary:hover{background:#9d7731;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);text-decoration:none}
.btn-small{padding:8px 20px;font-size:14px}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 14px;
  font-size:13px;
  border-radius:var(--radius-tag);
  background:rgba(14,90,76,.08);
  color:var(--primary);
  font-weight:500;
}
.tag-secondary{background:rgba(184,138,59,.12);color:#8a6a2a}
/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  height:64px;
  background:rgba(246,244,239,0.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:all .3s ease;
}
.site-header.scrolled{
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(11,35,48,.05);
}
.nav-wrap{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:relative;
}
.nav-left,.nav-right{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1;
}
.nav-right{justify-content:flex-end;gap:16px}
.nav-link{
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  border-radius:4px;
  position:relative;
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-link:hover{
  color:var(--primary);
  text-decoration:none;
}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{
  content:'';
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:2px;
  background:var(--secondary);
  border-radius:2px;
}
.brand-center{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  display:flex;
  align-items:center;
  gap:10px;
  z-index:2;
  white-space:nowrap;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  background:var(--primary);
  color:#fff;
  border-radius:8px;
  font-size:17px;
  box-shadow:0 2px 8px rgba(14,90,76,.28);
}
.brand-text{
  font-size:22px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.01em;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border-radius:6px;
  z-index:1002;
  background:transparent;
}
.nav-toggle span{
  display:block;
  width:22px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:all .25s ease;
}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ---------- Article Hero ---------- */
.article-hero{
  position:relative;
  padding:130px 0 48px;
  background:linear-gradient(135deg,rgba(14,90,76,.06) 0%,rgba(246,244,239,0) 60%);
  border-bottom:1px solid var(--border);
}
.article-hero::before{
  content:'';
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.12;
  pointer-events:none;
}
.article-hero .container{position:relative}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  font-size:14px;
  color:var(--text-muted);
  margin-bottom:28px;
}
.breadcrumb a{color:var(--text-muted);font-weight:400}
.breadcrumb a:hover{color:var(--primary);text-decoration:none}
.breadcrumb .sep{color:var(--border)}
.breadcrumb .current{color:var(--primary);font-weight:500;overflow:hidden;text-overflow:ellipsis;max-width:360px;white-space:nowrap}
.article-title-wrap{max-width:920px}
.article-meta-top{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:16px;
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--text-muted);
}
.meta-item i{color:var(--secondary);font-size:14px}
.article-title-wrap h1{
  font-size:44px;
  line-height:1.25;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
}
/* ---------- Main Content ---------- */
.article-main{padding:56px 0 0}
.article-layout{
  max-width:880px;
  margin:0 auto;
}
.article-content{
  font-size:16px;
  line-height:1.8;
  color:var(--text);
}
.article-content p{
  margin-bottom:1.2em;
}
.article-content h2{
  font-size:30px;
  line-height:1.3;
  color:var(--ink);
  margin:48px 0 20px;
  font-weight:700;
  letter-spacing:-.01em;
}
.article-content h3{
  font-size:22px;
  line-height:1.35;
  color:var(--ink);
  margin:32px 0 14px;
  font-weight:600;
}
.article-content img{
  width:100%;
  border-radius:8px;
  margin:24px 0;
  box-shadow:var(--shadow);
}
.article-content blockquote{
  border-left:3px solid var(--secondary);
  background:rgba(184,138,59,.08);
  padding:20px 24px;
  margin:28px 0;
  border-radius:0 8px 8px 0;
  color:var(--text-muted);
  font-style:normal;
  line-height:1.75;
}
.article-content blockquote p{margin-bottom:0}
.article-content ul,.article-content ol{
  padding-left:1.6em;
  margin-bottom:1.2em;
}
.article-content ul li,.article-content ol li{
  margin-bottom:.6em;
}
.article-content a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-content a:hover{color:var(--primary-dark);text-decoration-color:var(--secondary)}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
}
.article-content th{
  background:rgba(14,90,76,.08);
  color:var(--ink);
  text-align:left;
  padding:12px 16px;
  font-weight:600;
}
.article-content td{
  border-bottom:1px solid var(--border);
  padding:12px 16px;
}
.article-content pre{
  background:var(--ink);
  color:#f0f5f3;
  padding:20px;
  border-radius:8px;
  overflow-x:auto;
  margin:24px 0;
  font-size:14px;
  line-height:1.7;
}
.article-content code{
  background:rgba(14,90,76,.08);
  color:var(--primary);
  padding:2px 6px;
  border-radius:4px;
  font-size:.92em;
}
/* ---------- Article Footer ---------- */
.article-footer{
  margin-top:56px;
  padding-top:28px;
  border-top:1px solid var(--border);
}
.article-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:32px;
}
.article-pager{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.pager-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:500;
  color:var(--text);
  padding:8px 0;
}
.pager-link:hover{color:var(--primary);text-decoration:none}
.pager-link i{font-size:13px;color:var(--secondary)}
/* ---------- Related Posts ---------- */
.related-posts{
  padding:80px 0 60px;
  margin-top:48px;
  background:#fff;
  border-top:1px solid var(--border);
}
.section-head{
  margin-bottom:40px;
}
.section-label{
  display:inline-block;
  font-family:var(--serif);
  font-style:italic;
  font-size:14px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--secondary);
  margin-bottom:8px;
}
.section-head h2{
  font-size:32px;
  color:var(--ink);
  font-weight:700;
  letter-spacing:-.01em;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--secondary);
  text-decoration:none;
}
.related-cover{
  aspect-ratio:16/10;
  overflow:hidden;
}
.related-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.related-card:hover .related-cover img{transform:scale(1.04)}
.related-body{
  padding:20px 24px 24px;
}
.related-body h3{
  font-size:17px;
  line-height:1.5;
  color:var(--ink);
  font-weight:600;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-body .date{
  font-size:13px;
  color:var(--text-muted);
}
/* ---------- Not Found ---------- */
.article-not-found{
  text-align:center;
  padding:120px 24px;
  max-width:600px;
  margin:0 auto;
}
.article-not-found i{
  font-size:56px;
  color:var(--border);
  margin-bottom:24px;
  display:block;
}
.article-not-found p{
  font-size:20px;
  color:var(--ink);
  margin-bottom:28px;
  font-weight:500;
}
/* ---------- CTA ---------- */
.cta-section{
  background:var(--ink);
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:'';
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.15;
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-text h2{
  font-size:32px;
  color:#fff;
  margin-bottom:12px;
  font-weight:700;
}
.cta-text p{
  color:rgba(255,255,255,.7);
  max-width:520px;
  font-size:16px;
  line-height:1.7;
}
.cta-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}
/* ---------- Footer ---------- */
.site-footer{
  background:#0B2330;
  color:rgba(255,255,255,.7);
  padding:64px 0 0;
  border-top:1px solid var(--secondary);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  margin-top:16px;
  color:rgba(255,255,255,.6);
}
.footer-brand .brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--primary);
  border-radius:6px;
  width:32px;
  height:32px;
  color:#fff;
  font-size:15px;
  vertical-align:middle;
}
.footer-brand .brand-text{
  display:inline-block;
  color:#fff;
  font-size:22px;
  font-weight:700;
  margin-left:8px;
  vertical-align:middle;
}
.site-footer h4{
  color:#fff;
  font-size:16px;
  font-weight:600;
  margin-bottom:20px;
  position:relative;
  padding-bottom:10px;
}
.site-footer h4::after{
  content:'';
  position:absolute;
  left:0;bottom:0;
  width:28px;height:2px;
  background:var(--secondary);
  border-radius:2px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-links a{
  color:rgba(255,255,255,.65);
  font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{
  color:#fff;
  padding-left:4px;
  text-decoration:none;
}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:12px;
  font-size:14px;
}
.footer-contact span{
  display:flex;
  align-items:center;
  gap:10px;
  color:rgba(255,255,255,.65);
}
.footer-contact i{
  color:var(--secondary);
  width:16px;
  text-align:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:24px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.45);
}
/* ---------- Responsive ---------- */
@media(max-width:1100px){
  .nav-link{padding:8px 10px;font-size:14px}
  .brand-text{font-size:20px}
  .brand-mark{width:34px;height:34px;font-size:15px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .container{padding:0 16px}
  .site-header{height:60px}
  .brand-center{position:relative;left:auto;top:auto;transform:none;flex:0 0 auto;margin:0 auto}
  .nav-wrap{justify-content:space-between}
  .nav-left,.nav-right{
    position:fixed;
    left:0;right:0;
    background:#F6F4EF;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    gap:10px;
    z-index:998;
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
    margin:0;
    padding:20px 24px;
    display:flex;
    border-bottom:1px solid var(--border);
  }
  .nav-left{
    top:60px;
    height:52vh;
    justify-content:center;
    border-radius:0;
  }
  .nav-right{
    top:calc(60px + 52vh);
    bottom:0;
    height:auto;
    justify-content:flex-start;
    padding-top:32px;
    gap:14px;
    background:#F6F4EF;
  }
  .nav-right .btn{width:200px}
  .nav-link{font-size:18px;padding:10px 20px}
  .nav-link.active::after{left:20px;right:20px}
  .nav-toggle{display:flex}
  body.nav-open .nav-left,
  body.nav-open .nav-right{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .article-hero{padding:100px 0 36px}
  .article-title-wrap h1{font-size:30px}
  .breadcrumb .current{max-width:220px}
  .article-content h2{font-size:24px;margin-top:36px}
  .article-content h3{font-size:19px}
  .related-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-pager .btn{order:3;width:100%}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .meta-item{font-size:12px}
  .article-title-wrap h1{font-size:26px}
  .related-body h3{font-size:16px}
  .cta-text h2{font-size:26px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --primary:#0E5A4C;--primary-dark:#0A483C;--primary-light:#1A6B5C;
  --secondary:#B88A3B;--secondary-light:#D4A955;
  --dark:#0B2330;--bg:#F6F4EF;--card:#FFFFFF;
  --text:#24302D;--muted:#75807A;--border:#E7E0D5;
  --success:#2E9E6B;--warning:#C96442;--danger:#C0392B;
  --radius:8px;--radius-btn:6px;--radius-pill:16px;
  --shadow:0 4px 16px rgba(11,35,48,0.06);
  --shadow-hover:0 10px 24px rgba(11,35,48,0.12);
  --container:1200px;
  --font:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s,border-color .25s}
a:hover{color:var(--primary-dark);border-color:var(--secondary)}
button{border:none;background:none;cursor:pointer;font-family:inherit}
input,textarea,select{font-family:inherit;font-size:15px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 56px}
.section-tag{display:inline-block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--secondary);font-style:italic;font-family:Georgia,serif;margin-bottom:12px;font-weight:600}
.section-head h2{font-size:34px;line-height:1.25;color:var(--text);font-weight:700;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--muted)}
.section-head.light h2{color:#fff}
.section-head.light p{color:rgba(255,255,255,.7)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;transition:all .3s ease;line-height:1.2}
.btn i{font-size:14px}
.btn-primary{background:var(--primary);color:#fff;border:1px solid var(--primary)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--primary-dark)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.65)}
.btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-2px)}
.btn-outline-green{background:transparent;color:var(--primary);border:1px solid var(--primary);padding:12px 28px}
.btn-outline-green:hover{background:rgba(14,90,76,.08);color:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px)}
.btn-small{padding:9px 22px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
/* Header */
.site-header{position:sticky;top:0;width:100%;background:transparent;z-index:1000;transition:background .35s ease,box-shadow .35s ease,border-color .35s ease;border-bottom:1px solid transparent}
.site-header.is-scrolled{background:rgba(255,255,255,.96);backdrop-filter:blur(8px);box-shadow:var(--shadow);border-bottom:1px solid var(--border)}
.site-header .nav-wrap{position:relative;height:64px;display:flex;align-items:center;justify-content:space-between}
.brand-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:10px;z-index:2}
.brand-mark{width:34px;height:34px;background:var(--primary);border-radius:8px;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:15px;flex-shrink:0}
.brand-text{font-size:21px;font-weight:700;color:var(--text);letter-spacing:.01em;white-space:nowrap}
.site-header.is-scrolled .brand-text{color:var(--text)}
.nav-left,.nav-right{display:flex;align-items:center;gap:8px}
.nav-link{padding:10px 16px;font-size:15px;color:var(--text);font-weight:500;position:relative;transition:color .25s}
.nav-link::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:var(--secondary);transform:scaleX(0);transform-origin:center;transition:transform .3s ease}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{transform:scaleX(1)}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:6px;z-index:1001}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .25s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(246,244,239,.98);z-index:999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-menu a{font-size:26px;font-weight:600;color:var(--text)}
.mobile-menu a.active{color:var(--primary)}
.mobile-menu a:hover{color:var(--primary-dark)}
.mobile-menu .btn{margin-top:24px}
/* Hero */
.page-hero{position:relative;padding:72px 0 88px;background:linear-gradient(135deg,#0b3a33 0%,#0e5a4c 58%,#166a59 100%);overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);background-size:24px 24px;opacity:.45}
.page-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(184,138,59,.22),transparent 65%);pointer-events:none}
.cat-hero-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:60px}
.cat-hero-left{flex:1;max-width:620px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:Georgia,serif;font-style:italic;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--secondary-light);margin-bottom:18px}
.hero-eyebrow::before{content:"";width:28px;height:1px;background:var(--secondary-light);opacity:.6}
.cat-hero-left h1{font-size:52px;font-weight:800;color:#fff;line-height:1.2;margin-bottom:18px;letter-spacing:.02em}
.cat-hero-left p{font-size:17px;color:rgba(255,255,255,.88);line-height:1.8;margin-bottom:28px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stat-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:30px 34px;backdrop-filter:blur(6px);min-width:240px;box-shadow:0 20px 40px rgba(0,0,0,.12)}
.hero-stat-top{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.75);font-size:14px;margin-bottom:16px}
.hero-stat-top i{color:var(--secondary-light);font-size:18px}
.hero-stat-num{font-size:52px;font-weight:800;color:#fff;line-height:1;margin-bottom:10px}
.hero-stat-num span{font-size:16px;font-weight:500;color:var(--secondary-light);margin-left:4px;letter-spacing:.02em}
.hero-stat-txt{font-size:14px;color:rgba(255,255,255,.75);line-height:1.7}
/* Coverage */
.coverage-section{background:var(--bg)}
.coverage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.coverage-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.coverage-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--secondary)}
.coverage-img{width:100%;aspect-ratio:4/3;overflow:hidden}
.coverage-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.coverage-card:hover .coverage-img img{transform:scale(1.03)}
.coverage-body{padding:28px}
.coverage-body h3{font-size:21px;font-weight:700;margin-bottom:12px;color:var(--text)}
.coverage-body p{font-size:15px;color:var(--muted);line-height:1.75;margin-bottom:18px;min-height:84px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.text-link i{font-size:13px;transition:transform .25s}
.text-link:hover i{transform:translateX(4px)}
/* Value */
.value-section{background:var(--dark);position:relative;overflow:hidden}
.value-section::before{content:"";position:absolute;left:0;top:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--secondary),transparent)}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:44px;max-width:1080px;margin:0 auto}
.value-item{text-align:center;padding:30px 20px;transition:transform .3s ease}
.value-item:hover{transform:translateY(-6px)}
.value-item .value-icon{width:68px;height:68px;border-radius:50%;background:rgba(184,138,59,.14);border:1px solid rgba(184,138,59,.35);display:inline-flex;align-items:center;justify-content:center;color:var(--secondary-light);font-size:26px;margin-bottom:22px}
.value-item h3{color:#fff;font-size:21px;font-weight:700;margin-bottom:10px}
.value-item p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.75}
/* Scenario */
.scenario-section{background:#fff}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scenario-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:36px;transition:border-color .3s ease,box-shadow .3s ease}
.scenario-card:hover{border-color:var(--secondary);box-shadow:var(--shadow-hover)}
.scenario-num{display:inline-block;font-family:Georgia,serif;font-size:15px;font-style:italic;color:var(--secondary);letter-spacing:.04em;margin-bottom:16px}
.scenario-card h3{font-size:20px;font-weight:700;margin-bottom:12px}
.scenario-card>p{font-size:14px;color:var(--muted);margin-bottom:20px;line-height:1.7}
.check-list{list-style:none;padding:0}
.check-list li{position:relative;padding-left:28px;font-size:14px;color:var(--text);line-height:1.7;margin-bottom:10px}
.check-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:0;color:var(--success);font-size:14px}
/* Process */
.process-section{background:var(--bg);position:relative}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;max-width:1080px;margin:0 auto;position:relative}
.process-grid::before{content:"";position:absolute;top:34px;left:60px;right:60px;height:1px;background:var(--border)}
.process-step{position:relative;text-align:center;padding-top:0}
.process-step .step-num{width:68px;height:68px;border-radius:50%;background:var(--primary);color:#fff;font-size:22px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-bottom:22px;position:relative;z-index:1;box-shadow:0 0 0 6px var(--bg);transition:background .3s ease}
.process-step:hover .step-num{background:var(--secondary)}
.process-step h3{font-size:18px;font-weight:700;margin-bottom:10px}
.process-step p{font-size:14px;color:var(--muted);line-height:1.7;max-width:220px;margin:0 auto}
/* FAQ */
.faq-section{background:#fff}
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-q{display:flex;align-items:center;gap:18px;padding:24px 0;cursor:pointer;width:100%;text-align:left;transition:background .2s}
.faq-q:hover .faq-num{color:var(--secondary)}
.faq-num{font-family:Georgia,serif;font-size:15px;font-style:italic;color:var(--muted);letter-spacing:.04em;width:40px;min-width:40px;transition:color .3s}
.faq-q h3{flex:1;font-size:18px;font-weight:600;color:var(--text);line-height:1.4}
.faq-icon{width:44px;height:44px;min-width:44px;border:1px solid var(--border);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:var(--primary);transition:all .3s ease}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:var(--secondary);color:var(--secondary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 58px 0 0}
.faq-a-inner{padding:0 0 24px 58px;font-size:15px;color:var(--muted);line-height:1.8}
/* CTA */
.cta-section{background:var(--dark);color:#fff;position:relative;overflow:hidden;padding:96px 0}
.cta-section::before{content:"";position:absolute;left:0;top:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--secondary),transparent)}
.cta-section::after{content:"";position:absolute;right:-80px;bottom:-80px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(184,138,59,.14),transparent 65%)}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:680px;margin:0 auto}
.cta-inner h2{font-size:36px;font-weight:800;margin-bottom:16px;line-height:1.25}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.75);line-height:1.8;margin-bottom:32px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.rel-cats{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding-top:36px}
.rel-cats .cat-label{font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.04em}
.chip{display:inline-block;padding:8px 20px;border-radius:var(--radius-pill);border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.9);font-size:14px;font-weight:500;transition:all .3s ease}
.chip:hover{background:rgba(184,138,59,.16);border-color:var(--secondary);color:#fff;transform:translateY(-1px)}
/* Footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 24px;position:relative}
.site-footer::before{content:"";position:absolute;left:0;top:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--secondary),transparent)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px;margin-bottom:48px}
.footer-brand .brand-mark{width:36px;height:36px;font-size:16px;border-radius:7px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center}
.footer-brand h4{color:#fff;font-size:18px;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-brand-text{color:#fff;font-size:22px;font-weight:700;margin-left:8px;vertical-align:middle}
.footer-grid h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.6);font-size:14px;transition:color .25s}
.footer-links a:hover{color:var(--secondary-light)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.6)}
.footer-contact i{width:20px;color:var(--secondary-light);margin-right:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.45);flex-wrap:wrap;gap:8px}
/* Responsive */
@media (max-width:1100px){
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:flex}
  .brand-center{position:static;transform:none;margin:0 auto}
  .site-header .nav-wrap{justify-content:space-between}
  .coverage-grid{grid-template-columns:repeat(2,1fr)}
  .scenario-grid{grid-template-columns:repeat(2,1fr)}
  .value-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:40px}
  .process-grid::before{display:none}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .section{padding:72px 0}
  .container{padding:0 16px}
  .cat-hero-inner{flex-direction:column;gap:36px}
  .cat-hero-left h1{font-size:34px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-stat-card{min-width:100%}
  .coverage-grid{grid-template-columns:1fr}
  .scenario-grid{grid-template-columns:1fr}
  .value-grid{grid-template-columns:1fr}
  .section-head h2{font-size:28px}
  .section-head p{font-size:14px}
  .faq-q h3{font-size:16px}
  .faq-a-inner{padding-left:16px;font-size:14px}
  .cta-inner h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:520px){
  .process-grid{grid-template-columns:1fr}
  .brand-text{font-size:18px}
  .hero-eyebrow{font-size:12px}
  .coverage-card h3{font-size:19px}
  .value-item p{font-size:13px}
}

/* roulang page: category3 */
:root {
  --primary: #0E5A4C;
  --primary-dark: #0A4238;
  --secondary: #B88A3B;
  --secondary-light: #D4AF6A;
  --dark: #0B2330;
  --bg: #F6F4EF;
  --card: #FFFFFF;
  --text: #24302D;
  --muted: #75807A;
  --border: #E7E0D5;
  --success: #2E9E6B;
  --warning: #C96442;
  --error: #C0392B;
  --radius: 8px;
  --radius-sm: 6px;
  --shadow: 0 4px 16px rgba(11,35,48,0.06);
  --shadow-hover: 0 10px 24px rgba(11,35,48,0.12);
  --transition: all .3s ease;
  --font: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

button,
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

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

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(11, 35, 48, 0.06);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 12px rgba(11, 35, 48, 0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  position: relative;
}

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

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 6px 2px;
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--secondary);
  transform: scaleX(0);
  transition: transform .25s ease;
}

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

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

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

.brand-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: 6px;
  color: #fff;
  font-size: 15px;
  flex-shrink: 0;
}

.brand-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.2;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

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

.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(14, 90, 76, 0.08);
  border-color: var(--primary-dark);
  color: var(--primary-dark);
}

.btn-small {
  padding: 9px 20px;
  font-size: 14px;
}

.btn:focus-visible,
.nav-toggle:focus-visible,
.faq-question:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0 10px;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
  font-weight: 500;
}

.mobile-menu a.active {
  color: var(--secondary-light);
}

.mobile-menu .btn {
  margin-top: 12px;
}

/* ===== Page Hero ===== */
.page-hero {
  padding: 150px 0 60px;
  background: var(--bg);
  position: relative;
  border-bottom: 1px solid var(--border);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14, 90, 76, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 90, 76, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-hero-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.hero-kicker {
  display: inline-block;
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 12px;
}

.page-hero h1 {
  font-size: 48px;
  line-height: 1.2;
  color: var(--text);
  font-weight: 700;
  margin-bottom: 16px;
}

.page-hero-desc {
  max-width: 400px;
  color: var(--muted);
  font-size: 15px;
  border-left: 2px solid var(--secondary);
  padding-left: 20px;
  line-height: 1.8;
}

/* ===== Section ===== */
.section-block {
  padding: 88px 0;
}

.section-block.alt-bg {
  background: #EBE7DF;
}

.section-head {
  margin-bottom: 48px;
  max-width: 720px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 8px;
}

.section-head h2 {
  font-size: 32px;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 12px;
  font-weight: 700;
}

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

/* ===== Solution Cards ===== */
.solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.solution-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.solution-card:hover {
  border-color: var(--secondary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.card-img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  background: #E8E4DC;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}

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

.card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 14px;
  background: rgba(184, 138, 59, 0.12);
  color: var(--secondary);
  font-size: 12px;
  border-radius: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.date {
  font-size: 13px;
  color: var(--muted);
}

.card-body h3 {
  font-size: 20px;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text);
  font-weight: 700;
}

.card-body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  flex: 1;
  margin-bottom: 18px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.card-link:hover {
  color: var(--secondary);
  gap: 12px;
}

.card-link i {
  font-size: 12px;
  transition: transform .25s ease;
}

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

.scenario-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
}

.scenario-card:hover {
  border-color: var(--secondary);
  box-shadow: var(--shadow-hover);
}

.scenario-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(14, 90, 76, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 20px;
}

.scenario-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.scenario-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

/* ===== Process ===== */
.process-section {
  background: var(--dark);
  color: #fff;
}

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

.process-section .section-head p {
  color: rgba(255, 255, 255, 0.7);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 32px 16px;
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
}

.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid rgba(255, 255, 255, 0.92);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  position: relative;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(50% + 40px);
  right: calc(-50% + 40px);
  height: 1px;
  background: rgba(255, 255, 255, 0.18);
}

.process-step h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: #fff;
}

.process-step p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.7;
  max-width: 150px;
  margin: 0 auto;
}

/* ===== Related Cats ===== */
.related-section {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}

.related-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.related-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.related-chips {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 22px;
  border: 1px solid var(--border);
  border-radius: 24px;
  font-size: 14px;
  color: var(--text);
  background: var(--card);
  transition: var(--transition);
}

.chip:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.chip i {
  font-size: 12px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: 88px 0;
}

.faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  padding: 24px 0;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.faq-num {
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-size: 14px;
  color: var(--secondary);
  width: 32px;
  flex-shrink: 0;
}

.faq-title {
  flex: 1;
}

.faq-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--primary);
  font-size: 14px;
  transition: transform .3s ease, background .3s ease, color .3s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .3s ease;
  padding-left: 52px;
  padding-right: 52px;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: 24px;
}

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

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--dark) 0%, #123A4A 100%);
  padding: 80px 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 32px;
  margin-bottom: 16px;
  font-weight: 700;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 32px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-buttons .btn-outline {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}

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

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  padding-top: 64px;
  border-top: 2px solid var(--secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 14px;
}

.footer-grid h4 {
  font-size: 16px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
}

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

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-contact span {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact i {
  color: var(--secondary);
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .nav-left,
  .nav-right {
    gap: 20px;
  }

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

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 40px;
  }

  .process-step:nth-child(3)::after {
    display: none;
  }
}

@media (max-width: 899px) {
  .brand-center {
    position: static;
    transform: none;
    margin-right: auto;
  }

  .nav-left {
    display: none;
  }

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

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .nav-right .nav-link {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .page-hero {
    padding: 120px 0 48px;
  }

  .page-hero-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

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

  .page-hero-desc {
    max-width: 100%;
    padding-left: 16px;
  }

  .section-block {
    padding: 56px 0;
  }

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

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

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

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

  .process-step:not(:last-child)::after {
    display: none;
  }

  .process-step p {
    max-width: 240px;
  }

  .faq-question {
    font-size: 16px;
    gap: 12px;
    padding: 20px 0;
  }

  .faq-answer {
    padding-left: 44px;
    padding-right: 0;
  }

  .faq-item.active .faq-answer {
    padding-left: 44px;
    padding-right: 0;
  }

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

  .cta-buttons .btn {
    width: 100%;
  }

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

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

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (max-width: 520px) {
  .brand-text {
    font-size: 18px;
  }

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

  .card-body {
    padding: 20px;
  }
}