/* roulang page: index */
:root {
  --primary: #0d1b2a;
  --primary-light: #1b2d44;
  --secondary: #c9a84c;
  --secondary-light: #e8c75a;
  --accent: #d4a84b;
  --dark: #0d1b2a;
  --light: #f5f0e8;
  --text: #1a1a2e;
  --text-light: #6c757d;
  --text-white: #f5f0e8;
  --bg: #ffffff;
  --bg-alt: #f8f4ec;
  --bg-dark: #0d1b2a;
  --bg-card: #ffffff;
  --border: #e0d5c5;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.15);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container: 1200px;
  --nav-height: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--text); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
ul { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* header / nav */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(13,27,42,0.95); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(201,168,76,0.15); height: var(--nav-height); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--secondary); letter-spacing: 1px; }
.logo span { color: var(--text-white); }
.nav { display: flex; align-items: center; gap: 8px; }
.nav a { padding: 8px 20px; border-radius: var(--radius-sm); font-size: 0.95rem; font-weight: 500; color: var(--text-white); position: relative; transition: var(--transition); }
.nav a:hover, .nav a.active { color: var(--secondary); background: rgba(201,168,76,0.1); }
.nav a.active::after { content: ''; position: absolute; bottom: 0; left: 20%; right: 20%; height: 2px; background: var(--secondary); border-radius: 2px; }
.nav-cta { background: var(--secondary) !important; color: var(--dark) !important; padding: 8px 24px !important; border-radius: var(--radius-sm) !important; font-weight: 700 !important; }
.nav-cta:hover { background: var(--secondary-light) !important; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(201,168,76,0.3); }
.menu-toggle { display: none; background: none; color: var(--text-white); font-size: 1.5rem; cursor: pointer; padding: 8px; }
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .nav { position: fixed; top: var(--nav-height); left: 0; right: 0; background: rgba(13,27,42,0.98); backdrop-filter: blur(12px); flex-direction: column; padding: 20px; gap: 4px; transform: translateY(-120%); opacity: 0; transition: var(--transition); border-bottom: 1px solid rgba(201,168,76,0.15); }
  .nav.open { transform: translateY(0); opacity: 1; }
  .nav a { width: 100%; text-align: center; padding: 12px 20px; }
  .nav a.active::after { display: none; }
  .nav-cta { margin-top: 8px; }
}

/* hero */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; background: var(--bg-dark); overflow: hidden; padding-top: var(--nav-height); }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; opacity: 0.25; transform: scale(1.05); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(13,27,42,0.92) 0%, rgba(13,27,42,0.6) 50%, rgba(13,27,42,0.85) 100%); }
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding-top: 40px; padding-bottom: 80px; }
.hero-content { max-width: 600px; }
.hero-badge { display: inline-block; background: rgba(201,168,76,0.15); color: var(--secondary); padding: 6px 18px; border-radius: 50px; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 20px; border: 1px solid rgba(201,168,76,0.3); }
.hero h1 { font-size: 3.2rem; font-weight: 800; line-height: 1.2; color: var(--text-white); margin-bottom: 20px; }
.hero h1 span { color: var(--secondary); }
.hero p { font-size: 1.15rem; color: rgba(245,240,232,0.7); line-height: 1.8; margin-bottom: 32px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 32px; border-radius: var(--radius-sm); font-weight: 600; font-size: 1rem; cursor: pointer; transition: var(--transition); border: none; }
.btn-primary { background: var(--secondary); color: var(--dark); }
.btn-primary:hover { background: var(--secondary-light); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201,168,76,0.35); }
.btn-outline { background: transparent; color: var(--text-white); border: 1.5px solid rgba(201,168,76,0.4); }
.btn-outline:hover { border-color: var(--secondary); color: var(--secondary); transform: translateY(-2px); }
.hero-visual { display: flex; justify-content: center; align-items: center; position: relative; }
.hero-card-glow { width: 100%; max-width: 480px; aspect-ratio: 4/3; background: linear-gradient(145deg, rgba(201,168,76,0.1), rgba(13,27,42,0.6)); border-radius: var(--radius-lg); border: 1px solid rgba(201,168,76,0.2); display: flex; align-items: center; justify-content: center; padding: 20px; backdrop-filter: blur(4px); }
.hero-card-glow img { border-radius: var(--radius); width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero h1 { font-size: 2.6rem; }
  .hero-visual { max-width: 500px; margin: 0 auto; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .btn { padding: 12px 24px; font-size: 0.9rem; }
  .hero-card-glow { aspect-ratio: 3/2; }
}

/* sections */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-dark); color: var(--text-white); }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 48px; }
.section-header h2 { font-size: 2.2rem; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.section-header p { font-size: 1.05rem; color: var(--text-light); line-height: 1.7; }
.section-dark .section-header h2 { color: var(--text-white); }
.section-dark .section-header p { color: rgba(245,240,232,0.6); }
.section-header .badge { display: inline-block; background: rgba(201,168,76,0.1); color: var(--secondary); padding: 4px 16px; border-radius: 50px; font-size: 0.8rem; font-weight: 600; margin-bottom: 12px; border: 1px solid rgba(201,168,76,0.2); }
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-header h2 { font-size: 1.7rem; }
}

/* intro */
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.intro-image { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.intro-image img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.intro-text h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: 16px; color: var(--text); }
.intro-text p { color: var(--text-light); line-height: 1.8; margin-bottom: 16px; }
.intro-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.tag { display: inline-block; background: rgba(201,168,76,0.08); color: var(--secondary); padding: 6px 16px; border-radius: 50px; font-size: 0.85rem; font-weight: 500; border: 1px solid rgba(201,168,76,0.15); }
@media (max-width: 768px) {
  .intro-grid { grid-template-columns: 1fr; gap: 32px; }
  .intro-text h3 { font-size: 1.3rem; }
}

/* service cards */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { background: var(--bg-card); border-radius: var(--radius); padding: 32px 24px; text-align: center; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.service-card .icon { width: 64px; height: 64px; margin: 0 auto 20px; background: linear-gradient(135deg, rgba(201,168,76,0.1), rgba(201,168,76,0.05)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; color: var(--secondary); }
.service-card h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.service-card p { font-size: 0.92rem; color: var(--text-light); line-height: 1.6; }
@media (max-width: 768px) {
  .service-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .service-grid { grid-template-columns: 1fr; }
}

/* stats */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { text-align: center; padding: 32px 16px; background: rgba(255,255,255,0.04); border-radius: var(--radius); border: 1px solid rgba(201,168,76,0.1); transition: var(--transition); }
.stat-card:hover { background: rgba(201,168,76,0.06); transform: translateY(-4px); }
.stat-number { font-size: 2.8rem; font-weight: 800; color: var(--secondary); line-height: 1.2; margin-bottom: 6px; }
.stat-label { font-size: 0.95rem; color: rgba(245,240,232,0.6); }
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-number { font-size: 2.2rem; }
}

/* news / posts list */
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.post-card { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); display: flex; flex-direction: column; }
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.post-card .thumb { width: 100%; aspect-ratio: 16/9; overflow: hidden; }
.post-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.post-card:hover .thumb img { transform: scale(1.05); }
.post-card .body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.post-card .meta { display: flex; align-items: center; gap: 12px; font-size: 0.82rem; color: var(--text-light); margin-bottom: 10px; }
.post-card .meta .cat { background: rgba(201,168,76,0.1); color: var(--secondary); padding: 2px 12px; border-radius: 50px; font-weight: 500; font-size: 0.75rem; }
.post-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.post-card h4 a { color: var(--text); }
.post-card h4 a:hover { color: var(--secondary); }
.post-card .excerpt { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; flex: 1; }
.post-card .foot { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--border); font-size: 0.82rem; color: var(--text-light); display: flex; justify-content: space-between; align-items: center; }
.post-card .foot a { color: var(--secondary); font-weight: 600; }
.empty-msg { grid-column: 1 / -1; text-align: center; padding: 40px; color: var(--text-light); font-size: 1rem; }
@media (max-width: 768px) {
  .post-grid { grid-template-columns: 1fr; }
}

/* steps */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.step-item { text-align: center; position: relative; }
.step-num { width: 48px; height: 48px; margin: 0 auto 16px; background: var(--secondary); color: var(--dark); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.2rem; }
.step-item h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; color: var(--text); }
.step-item p { font-size: 0.88rem; color: var(--text-light); line-height: 1.5; }
@media (max-width: 768px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
}
@media (max-width: 520px) {
  .steps-grid { grid-template-columns: 1fr; gap: 24px; }
}

/* faq */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid var(--border); overflow: hidden; transition: var(--transition); }
.faq-item summary { padding: 18px 24px; font-weight: 600; font-size: 1rem; cursor: pointer; display: flex; align-items: center; justify-content: space-between; color: var(--text); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '\f107'; font-family: 'Font Awesome 6 Free'; font-weight: 900; transition: var(--transition); color: var(--secondary); }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item .content { padding: 0 24px 18px; color: var(--text-light); line-height: 1.7; font-size: 0.95rem; }
.section-dark .faq-item { background: rgba(255,255,255,0.04); border-color: rgba(201,168,76,0.1); }
.section-dark .faq-item summary { color: var(--text-white); }
.section-dark .faq-item .content { color: rgba(245,240,232,0.6); }

/* cta */
.cta-box { background: linear-gradient(145deg, var(--primary), var(--primary-light)); border-radius: var(--radius-lg); padding: 64px 48px; text-align: center; border: 1px solid rgba(201,168,76,0.15); position: relative; overflow: hidden; }
.cta-box::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.08; }
.cta-box h3 { font-size: 2rem; font-weight: 700; color: var(--text-white); margin-bottom: 12px; position: relative; }
.cta-box p { color: rgba(245,240,232,0.6); font-size: 1.05rem; margin-bottom: 28px; max-width: 500px; margin-left: auto; margin-right: auto; position: relative; }
.cta-box .btn { position: relative; }
@media (max-width: 768px) {
  .cta-box { padding: 40px 24px; }
  .cta-box h3 { font-size: 1.5rem; }
}

/* footer */
.footer { background: var(--bg-dark); color: rgba(245,240,232,0.5); padding: 48px 0 24px; border-top: 1px solid rgba(201,168,76,0.1); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.footer-brand .logo { font-size: 1.3rem; display: inline-block; margin-bottom: 12px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.6; max-width: 320px; }
.footer h5 { color: var(--text-white); font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
.footer ul li { margin-bottom: 8px; }
.footer ul li a { font-size: 0.9rem; color: rgba(245,240,232,0.5); }
.footer ul li a:hover { color: var(--secondary); }
.footer-bottom { border-top: 1px solid rgba(201,168,76,0.08); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; }
.footer-bottom a { color: rgba(245,240,232,0.5); }
.footer-bottom a:hover { color: var(--secondary); }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e50914;
            --primary-hover: #ff1a2b;
            --primary-soft: rgba(229, 9, 20, 0.08);
            --secondary: #1a1a2e;
            --secondary-hover: #2a2a4e;
            --accent: #f5c518;
            --accent-hover: #ffd940;
            --bg-body: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #22223a;
            --bg-section: #14142a;
            --bg-dark: #0a0a14;
            --text-primary: #f0f0f0;
            --text-secondary: #b0b0c0;
            --text-muted: #707088;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.05);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(229, 9, 20, 0.15);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
            --max-width: 1200px;
            --nav-height: 72px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-body);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.7;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-primary);
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
        }

        /* ===== Header / Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 10, 20, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            height: var(--nav-height);
            transition: var(--transition);
        }
        .header.scrolled {
            background: rgba(10, 10, 20, 0.98);
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .logo span {
            color: var(--primary);
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav a {
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav a:hover {
            color: var(--text-primary);
            background: var(--primary-soft);
        }
        .nav a.active {
            color: var(--text-primary);
            background: var(--primary-soft);
        }
        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-cta {
            background: var(--primary) !important;
            color: #fff !important;
            padding: 0.5rem 1.5rem !important;
            border-radius: var(--radius-sm) !important;
            font-weight: 600 !important;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-cta:hover {
            background: var(--primary-hover) !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-glow);
        }
        .nav-cta i {
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }
        .hamburger span {
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 10, 20, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: var(--spacing-md);
                gap: 0.5rem;
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-lg);
            }
            .nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav a {
                width: 100%;
                padding: 0.8rem 1.2rem;
                font-size: 1.05rem;
            }
            .nav a.active::after {
                bottom: 4px;
                width: 30px;
            }
            .nav-cta {
                justify-content: center;
                margin-top: 0.5rem;
            }
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            position: relative;
            padding: calc(var(--nav-height) + var(--spacing-lg)) 0 var(--spacing-lg);
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--bg-dark);
        }
        .page-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            filter: blur(4px) brightness(0.5);
            transform: scale(1.05);
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 10, 20, 0.85) 0%, rgba(10, 10, 20, 0.4) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -1px;
            max-width: 720px;
            margin-bottom: 1rem;
            line-height: 1.15;
        }
        .page-hero h1 span {
            color: var(--primary);
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .page-hero .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .page-hero .hero-badges .badge {
            background: var(--primary-soft);
            color: var(--text-primary);
            padding: 0.4rem 1.2rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(229, 9, 20, 0.2);
            backdrop-filter: blur(4px);
        }
        @media (max-width: 768px) {
            .page-hero {
                min-height: 300px;
                padding: calc(var(--nav-height) + var(--spacing-md)) 0 var(--spacing-md);
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-dark {
            background: var(--bg-dark);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 0.75rem;
            text-align: center;
        }
        .section-title span {
            color: var(--primary);
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            text-align: center;
            max-width: 640px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: var(--spacing-md);
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.4rem;
            }
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: var(--spacing-md);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-sm);
            background: var(--bg-dark);
        }
        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        .card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
        }
        .card .card-tags span {
            background: var(--primary-soft);
            color: var(--primary);
            padding: 0.2rem 0.8rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid rgba(229, 9, 20, 0.15);
        }
        .card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .card .card-link i {
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Grid ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: var(--spacing-md);
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: var(--spacing-md);
        }
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .stat-item {
            text-align: center;
            padding: var(--spacing-md);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 0.25rem;
        }
        .stat-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ===== Features / Icon Blocks ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .feature-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-align: center;
        }
        .feature-item:hover {
            border-color: rgba(229, 9, 20, 0.3);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            background: var(--primary-soft);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            font-size: 1.5rem;
            color: var(--primary);
            border: 1px solid rgba(229, 9, 20, 0.15);
        }
        .feature-item h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }
        .feature-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.1);
        }
        .faq-question {
            width: 100%;
            padding: 1.2rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            background: none;
            color: var(--text-primary);
            text-align: left;
            transition: var(--transition);
        }
        .faq-question i {
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 0.85rem;
        }
        .faq-question.open i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 400px;
            padding: 0 1.5rem 1.5rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            filter: blur(8px);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }
        .cta-content h2 span {
            color: var(--primary);
        }
        .cta-content p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .cta-content .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0.85rem 2.2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-color);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn i {
            font-size: 0.9rem;
        }
        @media (max-width: 520px) {
            .cta-content h2 {
                font-size: 1.6rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
                padding: 0.8rem 1.5rem;
            }
            .cta-content .btn-group {
                flex-direction: column;
            }
        }

        /* ===== Content List ===== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .content-item {
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 1.2rem 1.5rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .content-item:hover {
            border-color: rgba(229, 9, 20, 0.2);
            transform: translateX(4px);
            box-shadow: var(--shadow-sm);
        }
        .content-item .num {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            min-width: 32px;
            line-height: 1.4;
        }
        .content-item .info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 0.2rem;
        }
        .content-item .info p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .content-item .tag {
            margin-left: auto;
            background: var(--primary-soft);
            color: var(--primary);
            padding: 0.2rem 0.9rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            white-space: nowrap;
            border: 1px solid rgba(229, 9, 20, 0.15);
        }
        @media (max-width: 520px) {
            .content-item {
                flex-direction: column;
                gap: 0.5rem;
                padding: 1rem;
            }
            .content-item .tag {
                margin-left: 0;
                align-self: flex-start;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            padding: 1rem 0 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-secondary);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-lg) 0 var(--spacing-md);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }
        .footer-brand .logo {
            font-size: 1.5rem;
            margin-bottom: 0.75rem;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }
        .footer ul li {
            margin-bottom: 0.5rem;
        }
        .footer ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer ul li a:hover {
            color: var(--primary);
        }
        .footer ul li a i {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
        }

        /* ===== Back to Top ===== */
        .back-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            opacity: 0;
            transform: translateY(20px);
            pointer-events: none;
            transition: var(--transition);
            z-index: 999;
            border: none;
        }
        .back-top.visible {
            opacity: 1;
            transform: translateY(0);
            pointer-events: all;
        }
        .back-top:hover {
            background: var(--primary-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
        }

        /* ===== Responsive fine-tune ===== */
        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero .hero-badges .badge {
                font-size: 0.75rem;
                padding: 0.3rem 0.9rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

/* roulang page: article */
:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --primary-light: #ff6b6b;
  --secondary: #1d3557;
  --accent: #f4a261;
  --bg: #0b0e1a;
  --bg-card: #13182b;
  --bg-card-hover: #1a2140;
  --bg-section: #0f1424;
  --text: #f1f3f9;
  --text-dim: #8892a8;
  --text-muted: #5a6380;
  --border: #1e2640;
  --border-light: #2a3450;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 8px 32px rgba(0,0,0,0.45);
  --shadow-hover: 0 12px 48px rgba(230,57,70,0.2);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --header-h: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }
.section { padding: 80px 0; }
.section-dark { background: var(--bg-section); }
.section-title { font-size: 2rem; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.02em; color: #fff; }
.section-sub { font-size: 1.05rem; color: var(--text-dim); max-width: 640px; margin-bottom: 48px; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 0.95rem; border: none; cursor: pointer; transition: var(--transition); background: var(--primary); color: #fff; text-decoration: none; }
.btn:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-outline { background: transparent; border: 2px solid var(--border-light); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); background: rgba(230,57,70,0.08); color: #fff; }
.btn-sm { padding: 10px 22px; font-size: 0.85rem; }

/* ===== HEADER / NAV ===== */
.header { position: sticky; top: 0; z-index: 100; background: rgba(11,14,26,0.92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid var(--border); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.logo { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.03em; color: #fff; text-decoration: none; display: flex; align-items: center; gap: 2px; }
.logo span { color: var(--primary); }
.logo:hover { color: #fff; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { padding: 8px 18px; border-radius: var(--radius-xs); font-size: 0.9rem; font-weight: 500; color: var(--text-dim); transition: var(--transition); text-decoration: none; position: relative; }
.nav a:hover { color: #fff; background: rgba(255,255,255,0.05); }
.nav a.active { color: #fff; background: rgba(230,57,70,0.15); }
.nav a.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--primary); border-radius: 4px; }
.nav a.nav-cta { background: var(--primary); color: #fff; padding: 8px 20px; border-radius: 50px; font-weight: 600; }
.nav a.nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 20px rgba(230,57,70,0.35); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 26px; height: 2px; background: var(--text); border-radius: 4px; transition: var(--transition); }
@media (max-width: 820px) {
  .nav-toggle { display: flex; }
  .nav { position: fixed; top: var(--header-h); left: 0; right: 0; background: rgba(11,14,26,0.98); backdrop-filter: blur(18px); flex-direction: column; padding: 20px 24px; gap: 8px; border-bottom: 1px solid var(--border); transform: translateY(-120%); opacity: 0; pointer-events: none; transition: var(--transition); }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav a { width: 100%; text-align: center; padding: 12px; }
  .nav a.nav-cta { text-align: center; }
}

/* ===== BREADCRUMB ===== */
.breadcrumb { padding: 18px 0 8px; font-size: 0.85rem; color: var(--text-muted); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--primary-light); }
.breadcrumb span { color: var(--text-muted); }
.breadcrumb .sep { margin: 0 6px; color: var(--text-muted); }

/* ===== ARTICLE HERO ===== */
.article-hero { padding: 40px 0 20px; }
.article-hero .article-meta { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; margin-bottom: 20px; font-size: 0.9rem; color: var(--text-dim); }
.article-hero .article-meta .badge { background: var(--primary); color: #fff; padding: 4px 14px; border-radius: 50px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.3px; }
.article-hero .article-meta .date i { margin-right: 6px; }
.article-hero h1 { font-size: 2.6rem; font-weight: 800; line-height: 1.25; letter-spacing: -0.02em; color: #fff; margin-bottom: 16px; }
.article-hero .article-desc { font-size: 1.1rem; color: var(--text-dim); max-width: 800px; line-height: 1.7; }
@media (max-width: 768px) {
  .article-hero h1 { font-size: 1.8rem; }
  .article-hero .article-desc { font-size: 1rem; }
}

/* ===== ARTICLE CONTENT ===== */
.article-content { padding: 40px 0 60px; }
.article-body { max-width: 800px; margin: 0 auto; }
.article-body p { margin-bottom: 20px; font-size: 1.05rem; line-height: 1.85; color: var(--text); }
.article-body h2, .article-body h3 { color: #fff; margin-top: 36px; margin-bottom: 14px; font-weight: 700; letter-spacing: -0.01em; }
.article-body h2 { font-size: 1.7rem; }
.article-body h3 { font-size: 1.3rem; }
.article-body ul, .article-body ol { margin: 16px 0 20px 24px; color: var(--text); }
.article-body li { margin-bottom: 8px; line-height: 1.7; }
.article-body blockquote { border-left: 4px solid var(--primary); background: var(--bg-card); padding: 20px 24px; margin: 24px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-dim); font-style: italic; }
.article-body img { border-radius: var(--radius); margin: 28px 0; box-shadow: var(--shadow); width: 100%; }
.article-body a { color: var(--primary-light); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: #fff; }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }
.article-tags .tag { background: var(--bg-card); color: var(--text-dim); padding: 6px 16px; border-radius: 50px; font-size: 0.8rem; font-weight: 500; transition: var(--transition); }
.article-tags .tag:hover { background: var(--primary); color: #fff; }

/* ===== RELATED ===== */
.related { padding: 60px 0 80px; }
.related .section-title { font-size: 1.6rem; margin-bottom: 32px; }
.related-card { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); }
.related-card:hover { transform: translateY(-6px); border-color: var(--primary); box-shadow: var(--shadow-hover); }
.related-card .card-img { height: 180px; background-size: cover; background-position: center; position: relative; }
.related-card .card-img .overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,14,26,0.7) 0%, transparent 60%); }
.related-card .card-body { padding: 20px 22px 24px; }
.related-card .card-body h4 { font-size: 1.05rem; font-weight: 600; color: #fff; margin-bottom: 8px; line-height: 1.4; }
.related-card .card-body h4 a { color: #fff; }
.related-card .card-body h4 a:hover { color: var(--primary-light); }
.related-card .card-body p { font-size: 0.88rem; color: var(--text-dim); line-height: 1.6; margin-bottom: 12px; }
.related-card .card-body .meta { font-size: 0.78rem; color: var(--text-muted); display: flex; gap: 14px; }

/* ===== CTA ===== */
.cta-section { padding: 80px 0; background: linear-gradient(135deg, rgba(230,57,70,0.12) 0%, rgba(29,53,87,0.2) 100%); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta-section .cta-box { text-align: center; max-width: 640px; margin: 0 auto; }
.cta-section h2 { font-size: 2rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.cta-section p { color: var(--text-dim); margin-bottom: 28px; font-size: 1.05rem; }
.cta-section .btn-group { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

/* ===== FOOTER ===== */
.footer { background: var(--bg-section); border-top: 1px solid var(--border); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { font-size: 1.4rem; margin-bottom: 14px; }
.footer-brand p { font-size: 0.9rem; color: var(--text-dim); line-height: 1.7; max-width: 320px; }
.footer h5 { font-size: 0.95rem; font-weight: 600; color: #fff; margin-bottom: 18px; letter-spacing: 0.3px; }
.footer ul li { margin-bottom: 10px; }
.footer ul li a { font-size: 0.88rem; color: var(--text-dim); transition: var(--transition); }
.footer ul li a:hover { color: var(--primary-light); padding-left: 4px; }
.footer ul li a i { width: 20px; color: var(--primary); margin-right: 6px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--border); font-size: 0.82rem; color: var(--text-muted); gap: 12px; }
.footer-bottom a { color: var(--text-dim); }
.footer-bottom a:hover { color: var(--primary-light); }
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } .footer-bottom { flex-direction: column; text-align: center; } }

/* ===== NOT FOUND ===== */
.not-found { text-align: center; padding: 100px 20px; }
.not-found h2 { font-size: 2.4rem; color: #fff; margin-bottom: 16px; }
.not-found p { color: var(--text-dim); margin-bottom: 28px; font-size: 1.1rem; }
.not-found .btn { display: inline-flex; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .section { padding: 60px 0; }
  .section-title { font-size: 1.7rem; }
}
@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .section-title { font-size: 1.4rem; }
  .related-card .card-img { height: 140px; }
  .article-body p { font-size: 1rem; }
}
@media (max-width: 520px) {
  .container { padding: 0 12px; }
  .section-title { font-size: 1.2rem; }
  .article-hero h1 { font-size: 1.4rem; }
  .btn { padding: 12px 24px; font-size: 0.88rem; }
}