/* roulang page: index */
:root {
  --primary: #0a2540;
  --primary-light: #1a3a5c;
  --primary-dark: #061525;
  --secondary: #e8491d;
  --secondary-light: #ff6b3d;
  --secondary-dark: #c4320f;
  --bg: #f4f6f8;
  --bg-white: #ffffff;
  --bg-dark: #0a2540;
  --bg-gray: #f0f2f5;
  --text: #1e293b;
  --text-light: #64748b;
  --text-white: #ffffff;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --shadow-card: 0 2px 16px rgba(0,0,0,0.05);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; font-size: 16px; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
button { cursor: pointer; background: none; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-title { font-size: 32px; font-weight: 700; color: var(--primary); margin-bottom: 12px; letter-spacing: -0.5px; }
.section-subtitle { font-size: 18px; color: var(--text-light); max-width: 640px; line-height: 1.7; }
.section-header { text-align: center; margin-bottom: 52px; }
.section-header .section-subtitle { margin: 0 auto; }
.badge { display: inline-block; padding: 4px 14px; border-radius: 100px; font-size: 13px; font-weight: 500; background: var(--secondary); color: #fff; letter-spacing: 0.3px; }
.badge-primary { background: rgba(10,37,64,0.1); color: var(--primary); }
.tag { display: inline-block; padding: 6px 16px; border-radius: 100px; font-size: 13px; font-weight: 500; background: var(--bg-gray); color: var(--text-light); transition: var(--transition); }
.tag:hover { background: var(--primary); color: #fff; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600; font-size: 15px; transition: var(--transition); border: 2px solid transparent; letter-spacing: 0.2px; }
.btn-primary { background: var(--secondary); color: #fff; border-color: var(--secondary); }
.btn-primary:hover { background: var(--secondary-dark); border-color: var(--secondary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,73,29,0.3); }
.btn-outline { background: transparent; color: var(--text-white); border-color: rgba(255,255,255,0.4); }
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--primary); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-gray); border-color: var(--text-light); }
.card { background: var(--bg-white); border-radius: var(--radius); box-shadow: var(--shadow-card); overflow: hidden; transition: var(--transition); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.card-body { padding: 24px; }
.card-title { font-size: 18px; font-weight: 600; color: var(--primary); margin-bottom: 8px; line-height: 1.4; }
.card-text { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.card-meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-muted); margin-top: 12px; }
.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; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.text-center { text-align: center; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-40 { margin-top: 40px; }
.mb-24 { margin-bottom: 24px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }

/* Header / Nav */
.header { position: fixed; top: 0; left: 0; right: 0; height: var(--header-height); background: rgba(255,255,255,0.95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); z-index: 1000; transition: var(--transition); }
.header.scrolled { box-shadow: var(--shadow); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.logo i { color: var(--secondary); font-size: 26px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { display: flex; align-items: center; gap: 6px; padding: 8px 20px; border-radius: 100px; font-size: 14px; font-weight: 500; color: var(--text-light); transition: var(--transition); }
.nav a:hover, .nav a.active { background: rgba(10,37,64,0.06); color: var(--primary); }
.nav a.active { font-weight: 600; color: var(--secondary); background: rgba(232,73,29,0.08); }
.nav-cta { padding: 8px 24px !important; background: var(--secondary) !important; color: #fff !important; border-radius: 100px !important; font-weight: 600 !important; }
.nav-cta:hover { background: var(--secondary-dark) !important; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(232,73,29,0.3) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; background: none; border: none; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--primary); border-radius: 4px; transition: var(--transition); }
.mobile-menu { display: none; position: fixed; top: var(--header-height); left: 0; right: 0; background: var(--bg-white); border-bottom: 1px solid var(--border); padding: 16px 24px; box-shadow: var(--shadow-md); z-index: 999; }
.mobile-menu.open { display: block; }
.mobile-menu .nav { flex-direction: column; align-items: stretch; gap: 4px; }
.mobile-menu .nav a { padding: 12px 16px; border-radius: var(--radius-sm); }

/* Hero */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; margin-top: var(--header-height); background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; opacity: 0.2; mix-blend-mode: overlay; }
.hero-overlay { position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 50%, rgba(10,37,64,0.4) 0%, transparent 70%); }
.hero .container { position: relative; z-index: 2; padding: 80px 24px; }
.hero-content { max-width: 720px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 18px; border-radius: 100px; background: rgba(232,73,29,0.2); color: var(--secondary-light); font-size: 14px; font-weight: 500; backdrop-filter: blur(4px); margin-bottom: 24px; border: 1px solid rgba(232,73,29,0.2); }
.hero-badge i { font-size: 14px; }
.hero h1 { font-size: 56px; font-weight: 800; color: var(--text-white); line-height: 1.15; letter-spacing: -1px; margin-bottom: 20px; }
.hero h1 span { color: var(--secondary-light); }
.hero p { font-size: 20px; color: rgba(255,255,255,0.75); line-height: 1.7; max-width: 580px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 48px; margin-top: 56px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.12); }
.hero-stat .num { font-size: 32px; font-weight: 700; color: #fff; }
.hero-stat .label { font-size: 14px; color: rgba(255,255,255,0.55); margin-top: 4px; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card { background: var(--bg-white); border-radius: var(--radius); padding: 36px 28px; box-shadow: var(--shadow-card); transition: var(--transition); border: 1px solid var(--border-light); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--border); }
.feature-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 24px; color: #fff; margin-bottom: 20px; background: var(--primary); }
.feature-icon.orange { background: var(--secondary); }
.feature-icon.teal { background: #0d9488; }
.feature-icon.purple { background: #7c3aed; }
.feature-card h3 { font-size: 20px; font-weight: 600; color: var(--primary); margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: var(--text-light); line-height: 1.7; }

/* Steps */
.steps-section { background: var(--bg-white); }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step-card { text-align: center; padding: 32px 20px; border-radius: var(--radius); background: var(--bg); position: relative; counter-increment: step; }
.step-card::before { content: counter(step); position: absolute; top: -12px; left: 50%; transform: translateX(-50%); width: 36px; height: 36px; border-radius: 50%; background: var(--secondary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; box-shadow: 0 4px 12px rgba(232,73,29,0.3); }
.step-card .step-icon { font-size: 36px; color: var(--primary); margin-bottom: 16px; margin-top: 8px; }
.step-card h4 { font-size: 18px; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* Categories */
.categories-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cat-card { background: var(--bg-white); border-radius: var(--radius); padding: 28px 20px; text-align: center; box-shadow: var(--shadow-card); border: 1px solid var(--border-light); transition: var(--transition); }
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--secondary); }
.cat-card .cat-icon { width: 64px; height: 64px; border-radius: 16px; background: rgba(232,73,29,0.08); display: flex; align-items: center; justify-content: center; font-size: 28px; color: var(--secondary); margin: 0 auto 16px; transition: var(--transition); }
.cat-card:hover .cat-icon { background: var(--secondary); color: #fff; }
.cat-card h4 { font-size: 16px; font-weight: 600; color: var(--primary); margin-bottom: 6px; }
.cat-card p { font-size: 13px; color: var(--text-light); }

/* Latest Posts */
.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.post-card .card-img { aspect-ratio: 16/10; }
.post-card .card-body { padding: 20px 24px; }
.post-card .card-title { font-size: 17px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card .card-text { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card .card-meta { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--border-light); }
.post-empty { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--text-light); font-size: 16px; background: var(--bg-white); border-radius: var(--radius); box-shadow: var(--shadow-card); }
.post-empty i { font-size: 48px; color: var(--text-muted); margin-bottom: 16px; display: block; }

/* Data Block */
.data-section { background: var(--primary); color: var(--text-white); }
.data-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.data-item { padding: 32px 16px; border-radius: var(--radius); background: rgba(255,255,255,0.06); backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,0.08); }
.data-item .num { font-size: 42px; font-weight: 800; color: var(--secondary-light); line-height: 1.2; }
.data-item .label { font-size: 15px; color: rgba(255,255,255,0.65); margin-top: 8px; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-white); border-radius: var(--radius-sm); border: 1px solid var(--border); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--text-muted); }
.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; font-weight: 500; font-size: 16px; color: var(--text); cursor: pointer; transition: var(--transition); background: none; width: 100%; text-align: left; }
.faq-question i { transition: var(--transition); color: var(--text-muted); font-size: 14px; }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--secondary); }
.faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.3s ease; }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }
.faq-answer p { font-size: 15px; color: var(--text-light); line-height: 1.8; }

/* CTA */
.cta-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; opacity: 0.08; mix-blend-mode: overlay; }
.cta-content { position: relative; z-index: 2; text-align: center; padding: 60px 0; }
.cta-content h2 { font-size: 36px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.cta-content p { font-size: 18px; color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 auto 32px; }
.cta-content .btn-primary { font-size: 17px; padding: 16px 40px; }

/* Footer */
.footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding: 60px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
.footer ul li { margin-bottom: 10px; }
.footer ul li a { font-size: 14px; color: rgba(255,255,255,0.55); transition: var(--transition); }
.footer ul li a:hover { color: var(--secondary-light); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,0.4); }

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 42px; }
}
@media (max-width: 768px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .hero { min-height: 80vh; }
  .hero h1 { font-size: 34px; }
  .hero p { font-size: 17px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat .num { font-size: 26px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: 1fr; }
  .posts-grid { grid-template-columns: 1fr; }
  .data-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 28px; }
  .hero-content { padding: 40px 0; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .data-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 22px; }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e74c3c;
            --primary-dark: #c0392b;
            --primary-light: #fadbd8;
            --secondary: #2c3e50;
            --accent: #f39c12;
            --bg: #f8f9fa;
            --bg-alt: #ffffff;
            --bg-dark: #1a1a2e;
            --text: #2c3e50;
            --text-light: #7f8c8d;
            --text-white: #ffffff;
            --border: #e0e0e0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.14);
            --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --container: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            padding-top: var(--header-height);
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Container ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .logo i {
            font-size: 28px;
            color: var(--primary);
        }
        .logo:hover {
            color: var(--primary-dark);
        }
        .logo span {
            color: var(--secondary);
            font-weight: 300;
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            position: relative;
        }
        .nav a i {
            font-size: 14px;
        }
        .nav a:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(231, 76, 60, 0.35);
        }
        .nav a.active:hover {
            background: var(--primary-dark);
        }
        .nav a.nav-cta {
            background: var(--accent);
            color: #fff;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(243, 156, 18, 0.35);
        }
        .nav a.nav-cta:hover {
            background: #e67e22;
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: none;
            font-size: 26px;
            color: var(--text);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ===== Article Banner ===== */
        .article-banner {
            background: linear-gradient(135deg, var(--secondary) 0%, #1a1a2e 100%);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
            min-height: 260px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }
        .article-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .article-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
        }
        .article-banner .breadcrumb a:hover {
            color: #fff;
        }
        .article-banner .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .article-banner .breadcrumb .current {
            color: var(--accent);
        }
        .article-banner h1 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            max-width: 820px;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .article-banner .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }
        .article-banner .meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-banner .meta i {
            font-size: 13px;
        }
        .article-banner .meta .tag {
            background: rgba(231, 76, 60, 0.25);
            padding: 2px 14px;
            border-radius: 20px;
            color: var(--accent);
            font-weight: 500;
            border: 1px solid rgba(231, 76, 60, 0.3);
        }

        /* ===== Article Content ===== */
        .article-main {
            padding: 48px 0 60px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .article-body {
            background: #fff;
            border-radius: var(--radius);
            padding: 40px 44px;
            box-shadow: var(--shadow);
        }
        .article-body .content {
            font-size: 16.5px;
            line-height: 1.9;
            color: var(--text);
        }
        .article-body .content p {
            margin-bottom: 1.2em;
        }
        .article-body .content h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 1.6em 0 0.6em;
            color: var(--secondary);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }
        .article-body .content h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 1.4em 0 0.5em;
            color: var(--secondary);
        }
        .article-body .content ul,
        .article-body .content ol {
            margin-bottom: 1.2em;
            padding-left: 24px;
        }
        .article-body .content li {
            margin-bottom: 0.4em;
            list-style: disc;
        }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 22px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.2em 0;
            color: var(--secondary);
            font-style: normal;
        }
        .article-body .content img {
            border-radius: var(--radius-sm);
            margin: 1.4em 0;
            box-shadow: var(--shadow);
        }
        .article-body .content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body .content a:hover {
            color: var(--primary-dark);
        }

        .article-body .post-tags {
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .article-body .post-tags .tag {
            background: var(--bg);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .article-body .post-tags .tag:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
        }

        .article-body .post-nav {
            margin-top: 36px;
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .article-body .post-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
            padding: 10px 20px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            color: var(--text);
            font-size: 14px;
            max-width: 45%;
        }
        .article-body .post-nav a:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
        }
        .article-body .post-nav a i {
            font-size: 14px;
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 24px 26px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--primary);
            font-size: 18px;
        }
        .sidebar-card ul li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text);
            font-weight: 500;
        }
        .sidebar-card ul li a:hover {
            color: var(--primary);
        }
        .sidebar-card ul li a i {
            color: var(--primary);
            font-size: 12px;
            width: 16px;
        }
        .sidebar-card .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-sm);
            padding: 20px;
            text-align: center;
            color: #fff;
            margin-top: 12px;
        }
        .sidebar-card .cta-box p {
            font-size: 14px;
            margin-bottom: 12px;
            opacity: 0.9;
        }
        .sidebar-card .cta-box .btn {
            background: var(--accent);
            color: #fff;
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
        }
        .sidebar-card .cta-box .btn:hover {
            background: #e67e22;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        /* ===== Error State ===== */
        .error-state {
            text-align: center;
            padding: 80px 20px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .error-state i {
            font-size: 64px;
            color: var(--primary-light);
            margin-bottom: 20px;
        }
        .error-state h2 {
            font-size: 28px;
            color: var(--secondary);
            margin-bottom: 12px;
        }
        .error-state p {
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .error-state .btn {
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .error-state .btn:hover {
            background: var(--primary-dark);
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 50px 0 60px;
            background: var(--bg);
        }
        .related-section .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section .section-title i {
            color: var(--primary);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .card-img {
            height: 180px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .related-card:hover .card-img img {
            transform: scale(1.05);
        }
        .related-card .card-img .tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }
        .related-card .card-body {
            padding: 18px 22px 22px;
        }
        .related-card .card-body h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.35;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body h4 a {
            color: var(--secondary);
        }
        .related-card .card-body h4 a:hover {
            color: var(--primary);
        }
        .related-card .card-body .meta {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            gap: 14px;
        }
        .related-card .card-body .meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.85);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
            font-size: 22px;
        }
        .footer-brand .logo i {
            color: var(--accent);
        }
        .footer-brand .logo span {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 380px;
        }
        .footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer ul li a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }
        .footer ul li a i {
            font-size: 13px;
            width: 18px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom i {
            color: var(--accent);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(231, 76, 60, 0.3);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: #e67e22;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(243, 156, 18, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 64px;
            }
            :root {
                --header-height: 64px;
            }

            .nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
                gap: 4px;
            }
            .nav.open {
                display: flex;
            }
            .nav a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
                justify-content: flex-start;
            }
            .nav a.nav-cta {
                margin-top: 6px;
                justify-content: center;
            }
            .nav-toggle {
                display: block;
            }

            .article-banner {
                padding: 40px 0 36px;
                min-height: 200px;
            }
            .article-banner h1 {
                font-size: 24px;
            }
            .article-banner .meta {
                gap: 12px;
                font-size: 13px;
            }

            .article-body {
                padding: 24px 20px;
            }
            .article-body .content {
                font-size: 15px;
            }
            .article-body .content h2 {
                font-size: 20px;
            }
            .article-body .content h3 {
                font-size: 17px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-card .card-img {
                height: 160px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-banner h1 {
                font-size: 20px;
            }
            .article-body {
                padding: 18px 14px;
            }
            .article-body .content {
                font-size: 14.5px;
            }
            .sidebar-card {
                padding: 18px 16px;
            }
            .post-nav a {
                max-width: 100%;
                width: 100%;
                justify-content: center;
            }
            .post-nav {
                flex-direction: column;
            }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #f1c0b8;
            --primary-gradient: linear-gradient(135deg, #e63946 0%, #c1121f 100%);
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --accent-glow: #e76f51;
            --bg-body: #f8f9fa;
            --bg-dark: #0d1b2a;
            --bg-card: #ffffff;
            --bg-soft: #f1f3f5;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-weak: #7a7a9a;
            --text-light: #e8e8f0;
            --border: #e2e2f0;
            --border-light: #f0f0f8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 28px rgba(0,0,0,0.08);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --shadow-glow: 0 0 30px rgba(230,57,70,0.15);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
            --transition: 0.3s 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: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            min-height: 100vh;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: 2.8rem; letter-spacing: -0.02em; }
        h2 { font-size: 2.0rem; letter-spacing: -0.01em; margin-bottom: 1rem; }
        h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
        h4 { font-size: 1.2rem; margin-bottom: 0.5rem; }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section { padding: 80px 0; }
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-title h2 {
            position: relative;
            display: inline-block;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary-gradient);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p {
            font-size: 1.1rem;
            max-width: 640px;
            margin: 0.75rem auto 0;
            color: var(--text-weak);
        }
        .text-center { text-align: center; }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
            color: #fff;
        }
        .btn-secondary {
            background: var(--secondary);
            color: #fff;
        }
        .btn-secondary:hover {
            background: #162a4a;
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg { padding: 16px 36px; font-size: 1.1rem; border-radius: var(--radius-lg); }
        .btn-sm { padding: 8px 18px; font-size: 0.9rem; border-radius: var(--radius-sm); }
        .btn i { font-size: 1.1em; }

        /* ===== Header / Nav ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 20px rgba(0,0,0,0.04);
            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(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            letter-spacing: -0.02em;
        }
        .logo i { font-size: 1.6rem; }
        .logo:hover { color: var(--primary-dark); }
        .nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: var(--transition);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav a i { font-size: 0.95rem; }
        .nav a:hover { background: var(--bg-soft); color: var(--primary); }
        .nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(230,57,70,0.25);
        }
        .nav a.active:hover { background: var(--primary-dark); }
        .nav-cta {
            background: var(--primary-gradient) !important;
            color: #fff !important;
            padding: 8px 20px !important;
            border-radius: var(--radius-md) !important;
            font-weight: 600 !important;
            box-shadow: var(--shadow-sm);
            margin-left: 8px;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover { background: var(--bg-soft); }

        /* ===== Hero / Banner ===== */
        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #162a4a 100%);
            overflow: hidden;
            padding: 80px 0;
        }
        .hero-banner .bg-overlay {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .hero-banner .bg-gradient {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(230,57,70,0.15) 0%, transparent 70%);
        }
        .hero-banner .container {
            position: relative;
            z-index: 2;
        }
        .hero-banner h1 {
            color: #fff;
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .hero-banner h1 span { color: var(--primary); }
        .hero-banner p {
            color: var(--text-light);
            font-size: 1.2rem;
            max-width: 680px;
            margin: 0 auto 2rem;
            opacity: 0.85;
        }
        .hero-banner .btn i { font-size: 1.1rem; }
        .breadcrumb-nav {
            position: relative;
            z-index: 2;
            margin-top: -48px;
            margin-bottom: 0;
        }
        .breadcrumb-nav .container {
            background: var(--bg-card);
            padding: 12px 28px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-weak);
        }
        .breadcrumb-nav a { color: var(--text-secondary); }
        .breadcrumb-nav a:hover { color: var(--primary); }
        .breadcrumb-nav i { font-size: 0.8rem; color: var(--text-weak); }

        /* ===== Sport Categories Grid ===== */
        .sport-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: default;
        }
        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .sport-card .icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.8rem;
            color: #fff;
            box-shadow: 0 8px 24px rgba(230,57,70,0.2);
        }
        .sport-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
        .sport-card p { font-size: 0.9rem; color: var(--text-weak); margin-bottom: 0; }
        .sport-card .badge {
            display: inline-block;
            margin-top: 12px;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        /* ===== Featured Live Cards ===== */
        .live-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .live-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .live-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .live-card .thumb {
            position: relative;
            height: 200px;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .live-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .live-card:hover .thumb img { transform: scale(1.05); }
        .live-card .thumb .live-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 12px rgba(230,57,70,0.3);
        }
        .live-card .thumb .live-tag i { font-size: 0.7rem; animation: pulse-dot 1.5s infinite; }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        .live-card .thumb .match-time {
            position: absolute;
            bottom: 12px;
            right: 12px;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(0,0,0,0.7);
            color: #fff;
            backdrop-filter: blur(4px);
        }
        .live-card .body {
            padding: 20px;
        }
        .live-card .body h4 { font-size: 1.1rem; margin-bottom: 6px; }
        .live-card .body p { font-size: 0.9rem; color: var(--text-weak); margin-bottom: 12px; }
        .live-card .body .meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-weak);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }
        .live-card .body .meta span { display: flex; align-items: center; gap: 6px; }

        /* ===== Feature / Advantage ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }
        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .feature-item .f-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .feature-item:hover .f-icon { background: var(--primary); color: #fff; }
        .feature-item h4 { margin-bottom: 8px; }
        .feature-item p { font-size: 0.92rem; color: var(--text-weak); margin-bottom: 0; }

        /* ===== Steps / Guide ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 6px 20px rgba(230,57,70,0.2);
        }
        .step-card h4 { margin-bottom: 8px; }
        .step-card p { font-size: 0.9rem; color: var(--text-weak); margin-bottom: 0; }

        /* ===== 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-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary-light); }
        .faq-item summary {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--text-primary);
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary i { color: var(--primary); transition: var(--transition); font-size: 0.9rem; }
        .faq-item[open] summary i { transform: rotate(180deg); }
        .faq-item .answer {
            padding: 0 24px 18px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item .answer p { margin-bottom: 0; }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #162a4a 100%);
            padding: 80px 0;
            text-align: center;
            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;
            mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: #fff; margin-bottom: 0.75rem; }
        .cta-section p { color: var(--text-light); opacity: 0.8; font-size: 1.1rem; max-width: 600px; margin: 0 auto 2rem; }
        .cta-section .btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .cta-section .btn-primary { background: #fff; color: var(--primary); }
        .cta-section .btn-primary:hover { background: var(--primary); color: #fff; box-shadow: 0 0 40px rgba(230,57,70,0.3); }
        .cta-section .btn-outline { border-color: rgba(255,255,255,0.5); color: #fff; }
        .cta-section .btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 60px 0 0;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer .logo { color: #fff; margin-bottom: 12px; }
        .footer .logo i { color: var(--primary); }
        .footer p { color: rgba(255,255,255,0.6); font-size: 0.92rem; line-height: 1.7; margin-bottom: 0; }
        .footer h4 { color: #fff; font-size: 1.05rem; margin-bottom: 16px; font-weight: 600; }
        .footer ul li { margin-bottom: 10px; }
        .footer ul a { color: rgba(255,255,255,0.55); font-size: 0.9rem; transition: var(--transition); display: flex; align-items: center; gap: 8px; }
        .footer ul a:hover { color: var(--primary); padding-left: 4px; }
        .footer ul a i { width: 16px; font-size: 0.85rem; }
        .footer .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer .footer-bottom i { margin-right: 4px; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .sport-grid { grid-template-columns: repeat(2, 1fr); }
            .live-grid { grid-template-columns: repeat(2, 1fr); }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .footer .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            :root { --nav-height: 64px; }
            h1 { font-size: 2.0rem; }
            h2 { font-size: 1.6rem; }
            .section { padding: 48px 0; }
            .hero-banner { min-height: 300px; padding: 60px 0; }
            .hero-banner h1 { font-size: 2.2rem; }
            .hero-banner p { font-size: 1rem; }
            .nav { display: none; }
            .nav.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(16px);
                padding: 16px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
            }
            .nav.open a { width: 100%; justify-content: center; padding: 12px 16px; }
            .nav-cta { margin-left: 0; }
            .nav-toggle { display: block; }
            .sport-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .live-grid { grid-template-columns: 1fr; }
            .features-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .footer .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer .footer-bottom { flex-direction: column; text-align: center; }
            .breadcrumb-nav .container { margin: 0 16px; padding: 10px 16px; font-size: 0.8rem; flex-wrap: wrap; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            h1 { font-size: 1.6rem; }
            h2 { font-size: 1.3rem; }
            .hero-banner h1 { font-size: 1.7rem; }
            .section { padding: 36px 0; }
            .sport-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .sport-card { padding: 24px 16px; }
            .feature-item { padding: 24px 16px; }
            .step-card { padding: 24px 16px; }
            .live-card .thumb { height: 160px; }
            .btn-lg { padding: 14px 28px; font-size: 1rem; }
            .cta-section { padding: 48px 0; }
            .faq-item summary { padding: 14px 16px; font-size: 0.95rem; }
            .faq-item .answer { padding: 0 16px 14px; }
        }

        /* ===== Utility ===== */
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .gap-1 { gap: 1rem; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .badge-live {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%, 100% { box-shadow: 0 0 0 0 rgba(230,57,70,0.4); }
            50% { box-shadow: 0 0 0 10px rgba(230,57,70,0); }
        }