/* roulang page: index */
:root{--primary:#1B7A4A;--primary-dark:#155D38;--primary-light:#E8F2EC;--accent:#E8612A;--accent-dark:#C94E1F;--ink:#1E2A23;--ink-light:#55635A;--bg-warm:#F5F1E8;--surface:#FFFFFF;--border:#E3E2DC;--radius-lg:16px;--radius-md:8px;--radius-sm:6px;--shadow-sm:0 4px 12px rgba(30,42,35,0.08);--shadow-hover:0 8px 20px rgba(30,42,35,0.14);--transition:0.2s ease}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;background:var(--bg-warm);color:var(--ink);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:color .2s}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
.btn{border-radius:var(--radius-sm);padding:12px 28px;font-weight:600;transition:var(--transition);display:inline-flex;align-items:center;gap:8px;font-size:15px;border:1.5px solid transparent}
.btn:focus{outline:none;box-shadow:0 0 0 2px rgba(232,97,42,0.35)}
.btn-brand-primary{background:var(--primary);color:#fff}
.btn-brand-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.btn-brand-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-brand-outline:hover{background:var(--primary-light);color:var(--primary-dark)}
.btn-brand-accent{background:var(--accent);color:#fff}
.btn-brand-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn-lg{padding:14px 34px;font-size:16px}
.btn-sm{padding:8px 16px;font-size:14px}
/* Header */
.main-header{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 2px 8px rgba(30,42,35,0.06)}
.top-bar{height:64px;display:flex;align-items:center;justify-content:space-between}
.brand-logo{display:flex;align-items:center;gap:6px}
.brand-name{font-size:24px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.brand-name .hl{color:var(--accent)}
.brand-badge{background:var(--primary);color:#fff;font-size:11px;padding:2px 8px;border-radius:12px;font-weight:600;letter-spacing:1px}
.top-actions{display:flex;align-items:center;gap:12px}
.top-login-btn{background:var(--primary);color:#fff;border:none;padding:8px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:var(--transition)}
.top-login-btn:hover{background:var(--primary-dark);color:#fff}
.channel-nav{background:var(--primary);height:48px;display:flex;align-items:center}
.channel-nav .container{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.channel-nav .container::-webkit-scrollbar{display:none}
.channel-link{color:rgba(255,255,255,0.85);font-size:14px;font-weight:500;padding:6px 18px;border-radius:20px;white-space:nowrap;transition:var(--transition)}
.channel-link:hover{color:#fff;background:rgba(255,255,255,0.12)}
.channel-link.active{background:#fff;color:var(--primary);font-weight:600}
/* Hero */
.hero-wrap{background:var(--bg-warm);padding:70px 0 80px;position:relative;overflow:hidden}
.hero-wrap::before{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary) 0%,var(--primary) 30%,var(--accent) 30%,var(--accent) 35%,transparent 35%,transparent 50%,var(--primary) 50%,var(--primary) 80%,var(--accent) 80%,var(--accent) 85%,transparent 85%)}
.hero-content{display:flex;align-items:center;gap:48px}
.hero-text{flex:1}
.hero-title{font-size:42px;font-weight:800;line-height:1.2;margin-bottom:16px;color:var(--ink)}
.hero-title .hl{color:var(--accent)}
.hero-subtitle{font-size:18px;color:var(--ink-light);line-height:1.7;margin-bottom:28px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-image{flex:1;position:relative}
.hero-image img{border-radius:var(--radius-lg);box-shadow:var(--shadow-hover);border:1px solid var(--border)}
.hero-image::after{content:'';position:absolute;inset:0;border-radius:var(--radius-lg);background:linear-gradient(180deg,transparent 60%,rgba(30,42,35,0.3));pointer-events:none}
/* Feature cards */
.feature-section{padding:70px 0}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;align-items:flex-start}
.feature-card{background:var(--surface);border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:var(--transition);position:relative}
.feature-card:hover{box-shadow:var(--shadow-hover);border-color:var(--primary);transform:translateY(-4px)}
.feature-card.center{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-20px);box-shadow:0 12px 28px rgba(27,122,74,0.25)}
.feature-card.center:hover{transform:translateY(-24px);box-shadow:0 16px 32px rgba(27,122,74,0.30)}
.feature-icon{width:56px;height:56px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--primary);margin-bottom:20px}
.feature-card.center .feature-icon{background:rgba(255,255,255,0.18);color:#fff}
.feature-title{font-size:20px;font-weight:700;margin-bottom:10px}
.feature-desc{font-size:14px;color:var(--ink-light);line-height:1.7;margin-bottom:16px}
.feature-card.center .feature-desc{color:rgba(255,255,255,0.85)}
.feature-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:4px;transition:var(--transition)}
.feature-link i{transition:transform .2s}
.feature-link:hover{color:var(--accent)}
.feature-link:hover i{transform:translateX(4px)}
.feature-card.center .feature-link{color:#fff}
.feature-card.center .feature-link:hover{color:rgba(255,255,255,0.8)}
.section-head{text-align:center;margin-bottom:48px}
.section-head .section-label{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:600;padding:4px 14px;border-radius:20px;margin-bottom:12px;letter-spacing:1px}
.section-head h2{font-size:30px;font-weight:800;color:var(--ink)}
.section-head p{color:var(--ink-light);max-width:560px;margin:10px auto 0}
/* Stats */
.stats-section{background:var(--ink);padding:64px 0;position:relative;overflow:hidden;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
.stats-section::before{content:'';position:absolute;inset:0;background:rgba(30,42,35,0.82)}
.stats-section .container{position:relative;z-index:1}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-item{text-align:center;padding:0 16px;position:relative}
.stat-item::after{content:'';position:absolute;right:0;top:15%;bottom:15%;width:1px;background:rgba(255,255,255,0.15)}
.stat-item:last-child::after{display:none}
.stat-num{font-size:48px;font-weight:800;color:var(--accent);line-height:1.2;font-family:"Segoe UI",Roboto,sans-serif}
.stat-unit{font-size:20px;font-weight:600;color:rgba(255,255,255,0.7);margin-left:4px}
.stat-label{font-size:13px;color:rgba(255,255,255,0.6);margin-top:8px}
/* Intro */
.intro-section{padding:70px 0}
.intro-wrap{display:flex;align-items:center;gap:48px}
.intro-image{flex:0 0 44%;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-hover)}
.intro-image img{width:100%;height:320px;object-fit:cover;transition:transform .4s}
.intro-image:hover img{transform:scale(1.03)}
.intro-content{flex:1}
.intro-content h3{font-size:26px;font-weight:800;margin-bottom:14px}
.intro-steps{list-style:none;margin-top:24px}
.intro-steps li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--border)}
.intro-steps li:last-child{border-bottom:none}
.step-num{width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0}
.step-text{font-size:15px;color:var(--ink-light);line-height:1.6}
.step-text strong{display:block;color:var(--ink);font-size:16px;margin-bottom:2px}
/* CTA banner + privacy */
.cta-banner-section{padding:20px 0 0}
.cta-banner{background:var(--accent);border-radius:var(--radius-lg);padding:36px;display:flex;align-items:center;justify-content:center;gap:24px;flex-wrap:wrap;color:#fff;box-shadow:0 8px 24px rgba(232,97,42,0.2)}
.cta-banner h3{font-size:22px;font-weight:800;margin:0}
.cta-banner p{font-size:14px;opacity:.9;margin:0}
.cta-banner-btn{background:#fff;color:var(--accent);font-weight:700;border:none;padding:12px 28px;border-radius:var(--radius-sm);font-size:15px;display:inline-flex;align-items:center;gap:8px;transition:var(--transition)}
.cta-banner-btn:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.privacy-bar{display:flex;align-items:center;justify-content:center;gap:8px;padding:18px 0;color:var(--ink-light);font-size:13px}
.privacy-bar i{color:var(--primary);font-size:16px}
/* News */
.news-section{padding:70px 0}
.news-section .section-head{margin-bottom:32px}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-card{background:var(--surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--border);border-left:4px solid var(--primary);padding:20px 24px;transition:var(--transition)}
.news-card:hover{box-shadow:var(--shadow-hover);border-left-color:var(--accent);transform:translateX(2px)}
.news-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:6px}
.news-card-title{font-size:17px;font-weight:600;color:var(--ink);margin:0;line-height:1.5}
.news-card-title a:hover{color:var(--primary)}
.news-card-cat{background:var(--primary-light);color:var(--primary);font-size:12px;font-weight:600;padding:2px 10px;border-radius:12px;white-space:nowrap}
.news-card-excerpt{font-size:14px;color:var(--ink-light);line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-light)}
.news-card-date i{margin-right:4px;color:var(--primary)}
.news-card-more{font-weight:600;color:var(--primary);font-size:13px}
.news-card-more:hover{color:var(--accent)}
.news-empty{background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius-md);padding:40px;text-align:center;color:var(--ink-light);font-size:14px}
/* FAQ */
.faq-section{padding:70px 0;background:var(--surface)}
.faq-wrap{max-width:800px;margin:0 auto}
.accordion-item{border:none;background:var(--surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-bottom:14px;overflow:hidden}
.accordion-button{background:var(--surface);color:var(--ink);font-size:16px;font-weight:500;padding:18px 24px;box-shadow:none;position:relative}
.accordion-button:not(.collapsed){background:var(--primary-light);color:var(--primary-dark);box-shadow:none}
.accordion-button::after{background-image:none;font-family:"Font Awesome 6 Free";content:"\f067";font-weight:900;width:auto;height:auto;color:var(--primary);transition:transform .25s}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--accent)}
.accordion-body{padding:0 24px 20px;font-size:15px;color:var(--ink-light);line-height:1.8}
/* Final CTA */
.final-cta{padding:70px 0;position:relative;overflow:hidden;background-image:url('/assets/images/coverpic/cover-2.png');background-size:cover;background-position:center}
.final-cta::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(30,42,35,0.88) 0%,rgba(30,42,35,0.75) 50%,rgba(27,122,74,0.4) 100%)}
.final-cta .container{position:relative;z-index:1}
.final-cta-box{max-width:640px;color:#fff}
.final-cta-box h2{font-size:34px;font-weight:800;line-height:1.3;margin-bottom:14px}
.final-cta-box p{font-size:16px;color:rgba(255,255,255,0.85);margin-bottom:28px}
.final-cta-btns{display:flex;gap:16px;flex-wrap:wrap}
/* Footer */
.main-footer{background:var(--ink);color:rgba(255,255,255,0.8);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;margin-bottom:36px}
.footer-brand h4{color:#fff;font-size:22px;font-weight:800;margin-bottom:12px}
.footer-brand h4 span{color:var(--accent)}
.footer-brand p{font-size:14px;line-height:1.7;color:rgba(255,255,255,0.65)}
.footer-col h5{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;position:relative;padding-bottom:8px}
.footer-col h5::after{content:'';position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--accent)}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,0.65);font-size:14px;transition:var(--transition)}
.footer-col ul li a:hover{color:#fff;padding-left:4px}
.footer-note{font-size:13px;color:rgba(255,255,255,0.45);line-height:1.7}
.footer-copy{border-top:1px solid rgba(255,255,255,0.1);padding:18px 0;font-size:13px;color:rgba(255,255,255,0.5);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.footer-copy .domain-tech{color:rgba(255,255,255,0.3)}
/* Modal */
.modal-content{border:none;border-radius:var(--radius-lg);overflow:hidden}
.modal-header{border-bottom:none;padding:24px 28px 0}
.modal-title{font-size:20px;font-weight:700;color:var(--ink)}
.modal-header .btn-close:focus{box-shadow:0 0 0 2px rgba(27,122,74,0.3)}
.modal-body{padding:8px 28px 28px}
.modal-desc{font-size:14px;color:var(--ink-light);margin-bottom:20px}
.modal-body .form-label{font-size:14px;font-weight:600;color:var(--ink)}
.modal-body .form-control{border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;font-size:14px;transition:var(--transition)}
.modal-body .form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,122,74,0.1);outline:none}
.modal-body .form-select{border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;font-size:14px;transition:var(--transition)}
.modal-body .form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,122,74,0.1);outline:none}
.modal-footer-note{font-size:12px;color:var(--ink-light);margin-top:12px;text-align:center}
.form-required{color:var(--accent)}
/* Responsive */
@media(max-width:991px){
.hero-content{flex-direction:column}
.hero-image{order:-1;max-width:520px;margin:0 auto 24px}
.feature-grid{grid-template-columns:repeat(2,1fr)}
.feature-card.center{transform:none;grid-column:1/-1;order:-1}
.feature-card.center:hover{transform:none}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.stat-item::after{display:none}
.stat-item:nth-child(2)::after{display:block}
.intro-wrap{flex-direction:column}
.intro-image{flex:0 0 100%}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
.hero-title{font-size:30px}
.hero-subtitle{font-size:16px}
.section-head h2{font-size:24px}
.feature-grid{grid-template-columns:1fr}
.feature-card.center{grid-column:1}
.stats-grid{grid-template-columns:1fr 1fr;gap:20px}
.stat-num{font-size:36px}
.footer-grid{grid-template-columns:1fr}
.container{padding-left:16px;padding-right:16px}
.cta-banner{flex-direction:column;text-align:center}
.top-actions .top-login-btn{padding:8px 14px;font-size:13px}
.brand-name{font-size:20px}
.news-card-top{flex-direction:column}
.news-card-cat{align-self:flex-start}
}

/* roulang page: category1 */
:root {
            --primary: #1B7A4A;
            --primary-dark: #145C38;
            --primary-soft: #E8F3ED;
            --accent: #E8612A;
            --accent-dark: #C74A1C;
            --ink: #1E2A23;
            --warm-bg: #F5F1E8;
            --white: #FFFFFF;
            --text-weak: #6B7A72;
            --border: #E2DDD2;
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 4px 12px rgba(30, 42, 35, 0.08);
            --shadow-hover: 0 8px 20px rgba(30, 42, 35, 0.14);
            --transition: 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            background: var(--warm-bg);
            color: var(--ink);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header ===== */
        .main-header {
            background: var(--white);
            box-shadow: 0 2px 8px rgba(30, 42, 35, 0.06);
            position: sticky;
            top: 0;
            z-index: 1030;
        }

        .top-bar {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

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

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.5px;
        }

        .brand-name .hl {
            color: var(--primary);
        }

        .brand-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 4px;
            line-height: 1.4;
            letter-spacing: 1px;
        }

        .top-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .top-login-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
        }

        .top-login-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        .top-login-btn:focus-visible {
            outline: 2px solid rgba(232, 97, 42, 0.5);
            outline-offset: 2px;
        }

        .channel-nav {
            background: var(--primary);
            height: 48px;
            display: flex;
            align-items: center;
        }

        .channel-nav .container {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            white-space: nowrap;
        }

        .channel-nav .container::-webkit-scrollbar {
            display: none;
        }

        .channel-link {
            display: inline-block;
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            padding: 6px 18px;
            border-radius: 999px;
            line-height: 1.4;
            transition: background var(--transition), color var(--transition);
            flex-shrink: 0;
        }

        .channel-link:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

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

        /* ===== Category Hero ===== */
        .category-hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 70%, #2B8F56 100%);
            padding: 52px 0 44px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: repeating-linear-gradient(90deg, var(--accent) 0px, var(--accent) 40px, transparent 40px, transparent 80px);
            opacity: 0.6;
        }

        .category-hero-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 24px;
        }

        .category-hero-text .hero-kicker {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            letter-spacing: 2px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .category-hero-text h1 {
            color: #fff;
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 12px;
        }

        .category-hero-text .hero-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            line-height: 1.8;
            max-width: 640px;
            margin-bottom: 0;
        }

        .back-home {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            background: rgba(255, 255, 255, 0.12);
            padding: 8px 16px;
            border-radius: 6px;
            flex-shrink: 0;
            transition: background var(--transition), color var(--transition);
        }

        .back-home:hover {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
        }

        /* ===== Highlight Strip ===== */
        .highlight-strip {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 28px 0;
        }

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

        .highlight-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .highlight-item i {
            font-size: 26px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .highlight-item strong {
            display: block;
            font-size: 15px;
            color: var(--ink);
            line-height: 1.4;
        }

        .highlight-item span {
            display: block;
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.4;
        }

        /* ===== Main Two Column ===== */
        .category-main {
            padding: 64px 0;
        }

        .category-main .row {
            --bs-gutter-x: 32px;
            --bs-gutter-y: 32px;
        }

        .main-column {
            padding-right: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-weak);
            margin-bottom: 32px;
        }

        /* Guide Grid */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .guide-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid transparent;
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .guide-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(27, 122, 74, 0.25);
            transform: translateY(-3px);
        }

        .guide-card-media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--primary-soft);
        }

        .guide-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .guide-card-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(30, 42, 35, 0.25) 0%, transparent 50%);
        }

        .guide-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            z-index: 2;
            box-shadow: 0 2px 6px rgba(30, 42, 35, 0.1);
        }

        .guide-card-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .guide-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--ink);
        }

        .guide-card-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 12px;
            margin-top: auto;
        }

        .meta-date {
            font-size: 13px;
            color: var(--text-weak);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .meta-date i {
            font-size: 12px;
        }

        .more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: gap var(--transition), color var(--transition);
        }

        .more-link:hover {
            gap: 10px;
            color: var(--accent);
        }

        .more-link i {
            font-size: 12px;
        }

        /* ===== Sidebar ===== */
        .sidebar {
            padding-left: 12px;
        }

        .side-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid transparent;
            margin-bottom: 24px;
            transition: box-shadow var(--transition);
        }

        .side-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .side-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-soft);
            position: relative;
        }

        .side-card h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 32px;
            height: 2px;
            background: var(--primary);
        }

        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .side-tag {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 999px;
            transition: background var(--transition), color var(--transition);
        }

        .side-tag:hover,
        .side-tag.active {
            background: var(--primary);
            color: #fff;
        }

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

        .side-reading-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }

        .side-reading-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .side-reading-list a {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            line-height: 1.5;
            transition: color var(--transition);
        }

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

        .side-time {
            display: block;
            font-size: 12px;
            color: var(--text-weak);
            margin-top: 4px;
        }

        .side-note {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 64px 0;
            background: var(--white);
            border-top: 1px solid var(--border);
        }

        .faq-section .section-head {
            text-align: center;
            margin-bottom: 40px;
        }

        .faq-section .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .faq-section .section-head p {
            font-size: 15px;
            color: var(--text-weak);
        }

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

        .accordion-item {
            background: var(--warm-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: none;
        }

        .accordion-button {
            background: var(--warm-bg);
            color: var(--ink);
            font-size: 16px;
            font-weight: 500;
            padding: 16px 20px;
            line-height: 1.5;
            box-shadow: none;
            border-radius: 0;
        }

        .accordion-button:not(.collapsed) {
            background: var(--primary-soft);
            color: var(--prime);
            font-weight: 600;
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(27, 122, 74, 0.2);
            border-color: var(--primary);
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231B7A4A'%3E%3Cpath fill-rule='evenodd' d='M8 2a1 1 0 011 1v4h4a1 1 0 110 2H9v4a1 1 0 11-2 0V9H3a1 1 0 110-2h4V3a1 1 0 011-1z'/%3E%3C/svg%3E");
            transition: transform 0.25s ease;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }

        .accordion-body {
            padding: 16px 20px 20px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-weak);
            background: var(--warm-bg);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 64px 0;
            background: var(--ink);
            color: #fff;
        }

        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 32px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(232, 97, 42, 0.3);
        }

        .btn-accent:focus-visible {
            outline: 2px solid rgba(232, 97, 42, 0.5);
            outline-offset: 2px;
        }

        /* ===== Footer ===== */
        .main-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand h4 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand h4 span {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

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

        .footer-col ul a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-note p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }

        .footer-copy {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .domain-tech {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== Modal ===== */
        .modal-content {
            border-radius: var(--radius-lg);
            border: none;
            box-shadow: 0 20px 50px rgba(30, 42, 35, 0.2);
            padding: 8px;
        }

        .modal-header {
            border-bottom: 1px solid var(--border);
            padding: 16px 20px 12px;
        }

        .modal-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
        }

        .btn-close {
            filter: invert(0.3);
        }

        .modal-body {
            padding: 20px 22px 24px;
        }

        .modal-desc {
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 20px;
        }

        .form-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            margin-bottom: 6px;
        }

        .form-control,
        .form-select {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            padding: 10px 14px;
            background: #fff;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .form-control:focus,
        .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(27, 122, 74, 0.15);
        }

        .btn-accent-submit {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
        }

        .btn-accent-submit:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
        }

        .form-hint {
            font-size: 12px;
            color: var(--text-weak);
            text-align: center;
            margin-top: 14px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .highlight-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .category-main {
                padding: 48px 0;
            }
            .main-column {
                padding-right: 0;
            }
            .sidebar {
                padding-left: 0;
                margin-top: 24px;
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .category-hero-text h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .top-bar {
                height: 58px;
            }
            .brand-name {
                font-size: 17px;
            }
            .brand-badge {
                font-size: 11px;
                padding: 2px 6px;
            }
            .top-login-btn {
                padding: 6px 14px;
                font-size: 13px;
            }
            .channel-nav {
                height: 44px;
            }
            .channel-link {
                font-size: 13px;
                padding: 5px 14px;
            }
            .category-hero {
                padding: 36px 0 32px;
            }
            .category-hero-inner {
                flex-direction: column;
                gap: 16px;
            }
            .category-hero-text h1 {
                font-size: 30px;
            }
            .back-home {
                align-self: flex-start;
            }
            .highlight-strip {
                padding: 20px 0;
            }
            .highlight-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .highlight-item {
                gap: 8px;
            }
            .highlight-item i {
                font-size: 20px;
            }
            .category-main {
                padding: 40px 0;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-title {
                font-size: 24px;
            }
            .faq-section {
                padding: 40px 0;
            }
            .faq-section .section-head h2 {
                font-size: 24px;
            }
            .cta-section {
                padding: 40px 0;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
            .cta-inner p {
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-copy {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .highlight-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .highlight-item {
                justify-content: center;
            }
            .category-hero-text .hero-desc {
                font-size: 15px;
            }
            .guide-card-body {
                padding: 16px 18px 20px;
            }
        }

/* roulang page: article */
:root {
  --primary: #1B7A4A;
  --primary-dark: #145C37;
  --primary-light: #E8F3ED;
  --accent: #E8612A;
  --accent-dark: #C94E1F;
  --bg-warm: #F5F1E8;
  --ink: #1E2A23;
  --text-muted: #6A7A70;
  --border-light: #E8E4D9;
  --white: #FFFFFF;
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-sm: 6px;
  --shadow-sm: 0 4px 12px rgba(30,42,35,0.08);
  --shadow-hover: 0 8px 20px rgba(30,42,35,0.14);
  --transition: 0.2s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-warm);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: var(--primary); }
img { max-width: 100%; vertical-align: middle; }
button { cursor: pointer; }
ul, ol { margin: 0; }
.container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }
/* ========== Header ========== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 8px rgba(30,42,35,0.06);
}
.top-bar {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.5px;
  line-height: 1.2;
}
.brand-name .hl { color: var(--accent); }
.brand-badge {
  font-size: 11px;
  font-weight: 500;
  color: var(--primary);
  background: var(--primary-light);
  padding: 3px 10px;
  border-radius: 12px;
  letter-spacing: 1px;
}
.top-login-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 8px 22px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: background var(--transition), transform var(--transition);
}
.top-login-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}
.top-login-btn:focus {
  outline: 2px solid rgba(232,97,42,0.5);
  outline-offset: 2px;
}
.channel-nav {
  background: var(--primary);
  min-height: 48px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.channel-nav .container {
  display: flex;
  align-items: center;
  height: 48px;
  gap: 4px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.channel-nav .container::-webkit-scrollbar { display: none; }
.channel-link {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 400;
  padding: 5px 18px;
  border-radius: 20px;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.channel-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.15);
}
.channel-link.active {
  background: var(--white);
  color: var(--primary);
  font-weight: 600;
}
/* ========== Breadcrumb ========== */
.breadcrumb-bar {
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border-light);
  padding: 12px 0;
  font-size: 14px;
  color: var(--text-muted);
}
.breadcrumb-bar a {
  color: var(--primary);
  transition: color var(--transition);
}
.breadcrumb-bar a:hover { color: var(--accent); }
.breadcrumb-bar .sep {
  margin: 0 8px;
  color: #B4BCB6;
}
.breadcrumb-bar .current {
  color: var(--text-muted);
}
/* ========== Article Hero ========== */
.article-hero {
  background: linear-gradient(135deg, rgba(20,92,55,0.93), rgba(30,42,35,0.85)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  padding: 72px 0 60px;
  margin-bottom: 56px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  padding: 5px 16px;
  border-radius: 18px;
  margin-bottom: 18px;
}
.article-hero h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 16px;
  max-width: 860px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
}
.hero-meta i { margin-right: 6px; }
.hero-meta .divider {
  width: 1px;
  height: 14px;
  background: rgba(255,255,255,0.3);
}
/* ========== Article Body ========== */
.article-body {
  padding-bottom: 56px;
}
.article-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 48px 56px;
  max-width: 960px;
  margin: -28px auto 0;
  position: relative;
}
.article-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}
.article-content p {
  margin-bottom: 1.5rem;
}
.article-content h2 {
  font-size: 30px;
  font-weight: 700;
  margin: 2.2rem 0 1rem;
  color: var(--ink);
}
.article-content h3 {
  font-size: 22px;
  font-weight: 600;
  margin: 1.6rem 0 0.8rem;
}
.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 16px 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.8rem 0;
  color: var(--ink);
  font-style: normal;
}
.article-content ul,
.article-content ol {
  margin: 1rem 0 1.5rem;
  padding-left: 1.6rem;
}
.article-content li {
  margin-bottom: 0.5rem;
}
.article-content img {
  max-width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: 1.5rem 0;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.8rem 0;
  font-size: 15px;
}
.article-content th,
.article-content td {
  padding: 12px 16px;
  border: 1px solid var(--border-light);
  text-align: left;
}
.article-content th {
  background: var(--primary-light);
  font-weight: 600;
}
.article-content hr {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: 2rem 0;
}
.article-footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: center;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  background: transparent;
  padding: 10px 26px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}
.btn-outline:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-1px);
}
.btn-outline:focus {
  outline: 2px solid rgba(232,97,42,0.5);
  outline-offset: 2px;
}
.not-found {
  text-align: center;
  padding: 40px 20px;
}
.not-found i {
  font-size: 48px;
  color: #C0C8C2;
  margin-bottom: 16px;
}
.not-found h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}
.not-found p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 24px;
}
.btn-accent {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 12px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  transition: background var(--transition), transform var(--transition);
}
.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
}
.btn-accent:focus {
  outline: 2px solid rgba(232,97,42,0.5);
  outline-offset: 2px;
}
/* ========== Recommend Section ========== */
.recommend-section {
  background: var(--bg-warm);
  padding: 56px 0 64px;
}
.section-title {
  font-size: 30px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 36px;
  color: var(--ink);
}
.section-title span {
  color: var(--accent);
}
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.recommend-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary);
  transition: all var(--transition);
}
.recommend-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-left-color: var(--accent);
}
.recommend-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}
.recommend-card h3 a {
  color: var(--ink);
  transition: color var(--transition);
}
.recommend-card h3 a:hover {
  color: var(--primary);
}
.recommend-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.recommend-card .rc-meta {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.recommend-card .rc-tag {
  background: var(--primary-light);
  color: var(--primary);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}
/* ========== CTA Section ========== */
.cta-section {
  background: var(--ink);
  padding: 64px 0;
}
.cta-wrap {
  display: flex;
  align-items: center;
  gap: 48px;
}
.cta-info {
  flex: 1;
}
.cta-info h2 {
  color: #fff;
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 12px;
}
.cta-info p {
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 24px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid rgba(255,255,255,0.7);
  color: rgba(255,255,255,0.85);
  background: transparent;
  padding: 10px 26px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}
.btn-outline-light:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255,255,255,0.08);
}
.btn-outline-light:focus {
  outline: 2px solid rgba(232,97,42,0.5);
  outline-offset: 2px;
}
.cta-visual {
  flex: 0 0 300px;
}
.cta-img {
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}
/* ========== Footer ========== */
.main-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.8);
  padding: 48px 0 0;
  border-top: 4px solid var(--primary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
}
.footer-brand h4 {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 14px;
}
.footer-brand h4 span { color: var(--accent); }
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  margin-bottom: 0;
}
.footer-col h5 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  transition: color var(--transition);
}
.footer-col ul li a:hover {
  color: #fff;
}
.footer-note p {
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 0;
}
.footer-copy {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 16px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.footer-copy .domain-tech {
  font-size: 13px;
  letter-spacing: 0.5px;
}
/* ========== Modal ========== */
.modal-content {
  border-radius: var(--radius-lg);
  border: none;
  box-shadow: 0 16px 40px rgba(30,42,35,0.25);
}
.modal-header {
  border-bottom: 1px solid var(--border-light);
  padding: 20px 24px;
}
.modal-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}
.modal-body {
  padding: 24px;
}
.modal-body .form-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}
.modal-body .form-control,
.modal-body .form-select {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--ink);
  background-color: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.modal-body .form-control:focus,
.modal-body .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27,122,74,0.15);
}
.modal-body .btn-accent {
  width: 100%;
  padding: 12px;
  font-size: 15px;
}
.form-tip {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 14px;
}
/* ========== Responsive ========== */
@media (max-width: 991px) {
  .article-hero h1 { font-size: 36px; }
  .article-card { padding: 40px; }
  .cta-visual { flex-basis: 240px; }
}
@media (max-width: 767px) {
  .top-bar { height: 56px; }
  .brand-name { font-size: 18px; }
  .brand-badge { display: none; }
  .top-login-btn { padding: 6px 16px; font-size: 13px; }
  .channel-nav .container { height: 44px; }
  .article-hero { padding: 48px 0 40px; margin-bottom: 40px; }
  .article-hero h1 { font-size: 30px; }
  .article-card {
    padding: 24px;
    border-radius: 12px;
  }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 24px; }
  .article-content h3 { font-size: 18px; }
  .section-title { font-size: 26px; }
  .recommend-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 48px 0; }
  .cta-wrap { flex-direction: column; gap: 24px; }
  .cta-visual { flex-basis: auto; width: 100%; max-width: 400px; margin: 0 auto; }
  .cta-info h2 { font-size: 24px; }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-copy {
    flex-direction: column;
    gap: 6px;
    text-align: center;
  }
  .breadcrumb-bar { font-size: 13px; }
  .hero-meta { gap: 10px; font-size: 13px; }
}
@media (max-width: 520px) {
  .recommend-grid { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn-accent,
  .cta-actions .btn-outline-light {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}