/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --primary-light: #fadde1;
  --secondary: #1d3557;
  --secondary-light: #457b9d;
  --accent: #f4a261;
  --bg: #f8f9fa;
  --bg-alt: #ffffff;
  --bg-dark: #1d3557;
  --text: #1a1a2e;
  --text-light: #6c757d;
  --text-white: #ffffff;
  --border: #e0e0e0;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.12);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-w: 1200px;
  --header-h: 72px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
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); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
/* ===== Header / Nav ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
  transition: var(--transition);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.logo span { color: var(--secondary); }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a {
  font-size: 0.95rem; font-weight: 500; color: var(--text);
  position: relative; padding: 4px 0;
}
.nav a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
  background: var(--primary); transition: var(--transition); border-radius: 2px;
}
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a.active { color: var(--primary); }
.nav-cta {
  background: var(--primary); color: #fff !important; padding: 8px 20px !important;
  border-radius: 50px; font-weight: 600;
}
.nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(230,57,70,0.35); }
.nav-cta::after { display: none !important; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; 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); }

/* ===== Hero ===== */
.hero {
  margin-top: var(--header-h);
  min-height: 600px;
  background: linear-gradient(135deg, var(--secondary) 0%, #0b1a2a 100%);
  position: relative; display: flex; align-items: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: 0.2;
}
.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content h1 { font-size: 3rem; font-weight: 800; color: #fff; line-height: 1.2; margin-bottom: 20px; }
.hero-content h1 span { color: var(--accent); }
.hero-content p { font-size: 1.15rem; color: rgba(255,255,255,0.8); margin-bottom: 32px; max-width: 520px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 1rem;
  border: none; cursor: pointer; transition: var(--transition);
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230,57,70,0.4); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.3); }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-visual img { border-radius: var(--radius-lg); box-shadow: 0 20px 60px rgba(0,0,0,0.5); max-height: 420px; width: 100%; object-fit: cover; }

/* ===== Section通用 ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-dark); color: #fff; }
.section-title { font-size: 2rem; font-weight: 700; text-align: center; margin-bottom: 12px; }
.section-sub { text-align: center; color: var(--text-light); max-width: 640px; margin: 0 auto 48px; font-size: 1.05rem; }
.section-dark .section-sub { color: rgba(255,255,255,0.7); }

/* ===== 卡片网格 ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }

/* ===== 服务/特点卡片 ===== */
.feature-card {
  background: var(--bg-alt); border-radius: var(--radius); padding: 36px 28px;
  box-shadow: var(--shadow); border: 1px solid var(--border);
  transition: var(--transition); text-align: center;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.feature-card .icon { width: 60px; height: 60px; border-radius: 50%; background: var(--primary-light); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 1.6rem; color: var(--primary); }
.feature-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--text-light); font-size: 0.95rem; }

/* ===== 分类卡片 ===== */
.cat-card {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); background: var(--bg-alt);
  transition: var(--transition); border: 1px solid var(--border);
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.cat-card img { width: 100%; height: 200px; object-fit: cover; }
.cat-card-body { padding: 20px; }
.cat-card-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.cat-card-body p { color: var(--text-light); font-size: 0.9rem; margin-bottom: 12px; }
.cat-tag { display: inline-block; padding: 4px 12px; border-radius: 50px; font-size: 0.75rem; font-weight: 600; background: var(--primary-light); color: var(--primary); }

/* ===== 资讯列表 ===== */
.post-list { display: flex; flex-direction: column; gap: 20px; }
.post-item {
  display: grid; grid-template-columns: 220px 1fr; gap: 20px;
  background: var(--bg-alt); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow); border: 1px solid var(--border);
  transition: var(--transition);
}
.post-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.post-item img { width: 100%; height: 140px; object-fit: cover; border-radius: var(--radius-sm); }
.post-info { display: flex; flex-direction: column; justify-content: center; }
.post-info h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.post-info h3 a { color: var(--text); }
.post-info h3 a:hover { color: var(--primary); }
.post-meta { display: flex; gap: 16px; font-size: 0.85rem; color: var(--text-light); margin-bottom: 8px; }
.post-meta span { display: flex; align-items: center; gap: 4px; }
.post-excerpt { color: var(--text-light); font-size: 0.92rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.empty-msg { text-align: center; padding: 40px; color: var(--text-light); font-size: 1.05rem; background: var(--bg-alt); border-radius: var(--radius); border: 1px dashed var(--border); }

/* ===== 数据/统计 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.stat-item { text-align: center; padding: 32px 16px; }
.stat-number { font-size: 2.8rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
.stat-label { font-size: 1rem; color: rgba(255,255,255,0.8); margin-top: 6px; }

/* ===== 流程步骤 ===== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: step; }
.step {
  text-align: center; padding: 32px 20px; position: relative;
  background: var(--bg-alt); border-radius: var(--radius);
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; top: -16px; left: 50%; transform: translateX(-50%);
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--primary); color: #fff; font-weight: 800; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
}
.step h3 { font-size: 1.15rem; font-weight: 700; margin: 12px 0 8px; }
.step p { color: var(--text-light); font-size: 0.92rem; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-alt); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; }
.faq-q {
  padding: 18px 24px; font-weight: 600; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  transition: var(--transition); font-size: 1rem;
}
.faq-q:hover { background: rgba(230,57,70,0.04); }
.faq-q i { transition: var(--transition); color: var(--text-light); }
.faq-item.active .faq-q i { transform: rotate(180deg); color: var(--primary); }
.faq-a { padding: 0 24px; max-height: 0; overflow: hidden; transition: var(--transition); color: var(--text-light); font-size: 0.95rem; }
.faq-item.active .faq-a { padding: 0 24px 18px; max-height: 300px; }

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); text-align: center; padding: 72px 0; }
.cta-section h2 { font-size: 2.2rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }
.cta-section .btn-outline { border-color: rgba(255,255,255,0.5); }
.cta-section .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.15); }

/* ===== Footer ===== */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.8); padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.footer-brand .logo { color: #fff; font-size: 1.3rem; margin-bottom: 12px; display: inline-block; }
.footer-brand .logo span { color: var(--accent); }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; max-width: 320px; }
.footer-col h4 { color: #fff; font-weight: 700; margin-bottom: 16px; font-size: 1rem; }
.footer-col a { display: block; color: rgba(255,255,255,0.7); font-size: 0.9rem; padding: 4px 0; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.5); }
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== 移动端响应 ===== */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-content p { margin: 0 auto 32px; }
  .hero-buttons { justify-content: center; }
  .hero-visual { display: none; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .nav { position: fixed; top: var(--header-h); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(12px); flex-direction: column; padding: 20px 24px; gap: 16px; box-shadow: 0 12px 40px rgba(0,0,0,0.1); transform: translateY(-120%); transition: var(--transition); border-bottom: 1px solid var(--border); }
  .nav.open { transform: translateY(0); }
  .hamburger { display: flex; }
  .hero { min-height: 480px; }
  .hero-content h1 { font-size: 2rem; }
  .section { padding: 48px 0; }
  .section-title { font-size: 1.6rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .post-item { grid-template-columns: 1fr; }
  .post-item img { height: 200px; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-brand p { margin: 0 auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-number { font-size: 2rem; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-content h1 { font-size: 1.6rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .grid-4 { grid-template-columns: 1fr; }
  .cat-card img { height: 160px; }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
    :root {
        --primary: #e63946;
        --primary-dark: #c1121f;
        --primary-light: #ff6b6b;
        --secondary: #1d3557;
        --secondary-light: #2b4d75;
        --accent: #f4a261;
        --bg: #f8f9fa;
        --bg-card: #ffffff;
        --bg-dark: #1a1a2e;
        --text: #1a1a2e;
        --text-light: #6c757d;
        --text-white: #ffffff;
        --border: #e9ecef;
        --radius: 12px;
        --radius-sm: 8px;
        --radius-lg: 20px;
        --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
        --shadow-hover: 0 8px 30px rgba(230, 57, 70, 0.15);
        --transition: 0.25s ease;
        --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
        --container: 1200px;
        --nav-height: 70px;
    }

    /* ===== Reset & Base ===== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: var(--primary-dark);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: var(--radius-sm);
    }
    button,
    input,
    textarea {
        font-family: inherit;
        font-size: inherit;
        border: none;
        outline: none;
    }
    ul,
    ol {
        list-style: none;
    }
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        line-height: 1.3;
        color: var(--text);
        font-weight: 700;
    }
    h1 {
        font-size: 2.4rem;
    }
    h2 {
        font-size: 2rem;
    }
    h3 {
        font-size: 1.4rem;
    }
    h4 {
        font-size: 1.1rem;
    }

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

    /* ===== Header / Nav ===== */
    .header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: var(--nav-height);
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(12px);
        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 {
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--text);
        letter-spacing: -0.5px;
        display: flex;
        align-items: center;
        gap: 2px;
    }
    .logo span {
        color: var(--primary);
    }
    .logo i {
        color: var(--primary);
        margin-right: 6px;
        font-size: 1.3rem;
    }
    .nav {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .nav a {
        padding: 8px 16px;
        border-radius: var(--radius-sm);
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--text);
        transition: var(--transition);
        position: relative;
    }
    .nav a:hover {
        color: var(--primary);
        background: rgba(230, 57, 70, 0.06);
    }
    .nav a.active {
        color: var(--primary);
        background: rgba(230, 57, 70, 0.10);
        font-weight: 600;
    }
    .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;
        display: flex;
        align-items: center;
        gap: 6px;
        box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
    }
    .nav a.nav-cta:hover {
        background: var(--primary-dark);
        transform: translateY(-1px);
        box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
        color: #fff;
    }
    .nav-toggle {
        display: none;
        background: none;
        font-size: 1.5rem;
        color: var(--text);
        cursor: pointer;
        padding: 4px 8px;
        border-radius: var(--radius-sm);
    }
    .nav-toggle:hover {
        background: rgba(0, 0, 0, 0.04);
    }

    /* ===== Article Banner ===== */
    .article-banner {
        margin-top: var(--nav-height);
        padding: 60px 0 40px;
        background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-dark) 100%);
        position: relative;
        overflow: hidden;
    }
    .article-banner::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.15;
        mix-blend-mode: overlay;
    }
    .article-banner .container {
        position: relative;
        z-index: 2;
    }
    .article-breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.7);
        margin-bottom: 16px;
        flex-wrap: wrap;
    }
    .article-breadcrumb a {
        color: rgba(255, 255, 255, 0.8);
    }
    .article-breadcrumb a:hover {
        color: #fff;
    }
    .article-breadcrumb span {
        color: rgba(255, 255, 255, 0.5);
    }
    .article-banner h1 {
        color: #fff;
        font-size: 2.2rem;
        max-width: 900px;
        line-height: 1.3;
        margin-bottom: 16px;
    }
    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        align-items: center;
        color: rgba(255, 255, 255, 0.8);
        font-size: 0.9rem;
    }
    .article-meta .meta-item {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .article-meta .meta-item i {
        color: var(--accent);
    }
    .article-meta .badge {
        display: inline-block;
        padding: 4px 14px;
        border-radius: 50px;
        background: var(--primary);
        color: #fff;
        font-size: 0.8rem;
        font-weight: 600;
    }

    /* ===== Article Main ===== */
    .article-main {
        padding: 50px 0 60px;
    }
    .article-layout {
        display: grid;
        grid-template-columns: 1fr 300px;
        gap: 48px;
    }
    .article-content {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 48px;
        box-shadow: var(--shadow);
    }
    .article-content p {
        margin-bottom: 1.4rem;
        color: var(--text);
        font-size: 1.05rem;
        line-height: 1.85;
    }
    .article-content h2,
    .article-content h3 {
        margin-top: 2rem;
        margin-bottom: 1rem;
        color: var(--text);
    }
    .article-content h2 {
        font-size: 1.6rem;
        border-left: 4px solid var(--primary);
        padding-left: 16px;
    }
    .article-content h3 {
        font-size: 1.25rem;
    }
    .article-content ul,
    .article-content ol {
        margin-bottom: 1.4rem;
        padding-left: 24px;
    }
    .article-content ul li {
        list-style: disc;
        margin-bottom: 6px;
    }
    .article-content ol li {
        list-style: decimal;
        margin-bottom: 6px;
    }
    .article-content img {
        border-radius: var(--radius-sm);
        margin: 24px 0;
        box-shadow: var(--shadow);
    }
    .article-content blockquote {
        border-left: 4px solid var(--primary);
        background: rgba(230, 57, 70, 0.04);
        padding: 16px 24px;
        margin: 24px 0;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        color: var(--text-light);
        font-style: italic;
    }
    .article-content blockquote strong {
        color: var(--text);
    }
    .article-content a {
        color: var(--primary);
        text-decoration: underline;
        text-underline-offset: 2px;
    }
    .article-content a:hover {
        color: var(--primary-dark);
    }

    .article-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 32px;
        padding-top: 24px;
        border-top: 1px solid var(--border);
    }
    .article-tags .tag {
        display: inline-block;
        padding: 6px 16px;
        border-radius: 50px;
        background: rgba(230, 57, 70, 0.08);
        color: var(--primary);
        font-size: 0.85rem;
        font-weight: 500;
        transition: var(--transition);
    }
    .article-tags .tag:hover {
        background: var(--primary);
        color: #fff;
    }

    .article-nav {
        display: flex;
        justify-content: space-between;
        margin-top: 40px;
        padding-top: 24px;
        border-top: 1px solid var(--border);
        gap: 20px;
    }
    .article-nav a {
        display: flex;
        align-items: center;
        gap: 8px;
        font-weight: 500;
        color: var(--text);
        padding: 12px 20px;
        border-radius: var(--radius-sm);
        background: var(--bg);
        transition: var(--transition);
        flex: 1;
        max-width: 48%;
    }
    .article-nav a:hover {
        background: rgba(230, 57, 70, 0.06);
        color: var(--primary);
    }
    .article-nav a.article-nav-next {
        justify-content: flex-end;
        text-align: right;
    }

    /* ===== Sidebar ===== */
    .article-sidebar {
        display: flex;
        flex-direction: column;
        gap: 32px;
    }
    .sidebar-card {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 28px;
        box-shadow: var(--shadow);
    }
    .sidebar-card h3 {
        font-size: 1.1rem;
        margin-bottom: 16px;
        padding-bottom: 12px;
        border-bottom: 2px solid var(--primary);
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .sidebar-card h3 i {
        color: var(--primary);
    }
    .sidebar-list li {
        padding: 10px 0;
        border-bottom: 1px solid var(--border);
    }
    .sidebar-list li:last-child {
        border-bottom: none;
    }
    .sidebar-list a {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        color: var(--text);
        font-size: 0.9rem;
        line-height: 1.4;
    }
    .sidebar-list a:hover {
        color: var(--primary);
    }
    .sidebar-list a .num {
        color: var(--primary);
        font-weight: 700;
        font-size: 1.1rem;
        min-width: 28px;
    }
    .sidebar-cta {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        color: #fff;
        text-align: center;
        padding: 32px 24px;
        border-radius: var(--radius);
    }
    .sidebar-cta h4 {
        color: #fff;
        font-size: 1.2rem;
        margin-bottom: 8px;
    }
    .sidebar-cta p {
        font-size: 0.9rem;
        margin-bottom: 20px;
        opacity: 0.9;
    }
    .sidebar-cta .btn {
        background: #fff;
        color: var(--primary);
        font-weight: 700;
        padding: 12px 32px;
        border-radius: 50px;
        display: inline-block;
        transition: var(--transition);
    }
    .sidebar-cta .btn:hover {
        background: var(--accent);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    }

    /* ===== Related Section ===== */
    .related-section {
        padding: 50px 0;
        background: var(--bg);
    }
    .related-section .section-title {
        text-align: center;
        margin-bottom: 36px;
    }
    .related-section .section-title h2 {
        font-size: 1.8rem;
    }
    .related-section .section-title p {
        color: var(--text-light);
        margin-top: 8px;
    }
    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .related-card {
        background: var(--bg-card);
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow);
        transition: var(--transition);
    }
    .related-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }
    .related-card .card-img {
        height: 180px;
        background: var(--secondary);
        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 .card-badge {
        position: absolute;
        top: 12px;
        left: 12px;
        padding: 4px 14px;
        border-radius: 50px;
        background: var(--primary);
        color: #fff;
        font-size: 0.75rem;
        font-weight: 600;
    }
    .related-card .card-body {
        padding: 20px;
    }
    .related-card .card-body h4 {
        font-size: 1rem;
        margin-bottom: 8px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .related-card .card-body h4 a {
        color: var(--text);
    }
    .related-card .card-body h4 a:hover {
        color: var(--primary);
    }
    .related-card .card-body p {
        font-size: 0.85rem;
        color: var(--text-light);
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .related-card .card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 12px;
        font-size: 0.8rem;
        color: var(--text-light);
    }
    .related-card .card-meta i {
        margin-right: 4px;
    }

    /* ===== FAQ ===== */
    .faq-section {
        padding: 60px 0;
        background: var(--bg-card);
    }
    .faq-section .section-title {
        text-align: center;
        margin-bottom: 40px;
    }
    .faq-section .section-title h2 {
        font-size: 1.8rem;
    }
    .faq-grid {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-item.active {
        border-color: var(--primary);
        box-shadow: 0 0 0 2px rgba(230, 57, 70, 0.10);
    }
    .faq-question {
        width: 100%;
        background: none;
        padding: 18px 24px;
        font-size: 1rem;
        font-weight: 600;
        color: var(--text);
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: left;
        transition: var(--transition);
    }
    .faq-question:hover {
        background: rgba(230, 57, 70, 0.04);
    }
    .faq-question i {
        transition: var(--transition);
        color: var(--primary);
        font-size: 0.85rem;
    }
    .faq-item.active .faq-question i {
        transform: rotate(180deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        padding: 0 24px;
    }
    .faq-item.active .faq-answer {
        max-height: 300px;
        padding: 0 24px 20px;
    }
    .faq-answer p {
        color: var(--text-light);
        font-size: 0.95rem;
        line-height: 1.7;
    }

    /* ===== CTA ===== */
    .cta-section {
        padding: 60px 0;
        background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-dark) 100%);
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        opacity: 0.08;
        mix-blend-mode: overlay;
    }
    .cta-section .container {
        position: relative;
        z-index: 2;
        text-align: center;
    }
    .cta-section h2 {
        color: #fff;
        font-size: 2rem;
        margin-bottom: 12px;
    }
    .cta-section p {
        color: rgba(255, 255, 255, 0.85);
        font-size: 1.1rem;
        margin-bottom: 28px;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }
    .cta-section .btn-group {
        display: flex;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
    }
    .cta-section .btn-primary {
        background: var(--primary);
        color: #fff;
        padding: 14px 36px;
        border-radius: 50px;
        font-weight: 700;
        font-size: 1.05rem;
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .cta-section .btn-primary:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 28px rgba(230, 57, 70, 0.4);
        color: #fff;
    }
    .cta-section .btn-outline {
        background: transparent;
        color: #fff;
        padding: 14px 36px;
        border-radius: 50px;
        font-weight: 600;
        font-size: 1.05rem;
        border: 2px solid rgba(255, 255, 255, 0.3);
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .cta-section .btn-outline:hover {
        border-color: var(--accent);
        background: rgba(255, 255, 255, 0.08);
        transform: translateY(-2px);
        color: #fff;
    }

    /* ===== Footer ===== */
    .footer {
        background: var(--bg-dark);
        color: rgba(255, 255, 255, 0.8);
        padding: 60px 0 0;
    }
    .footer .logo {
        color: #fff;
    }
    .footer .logo span {
        color: var(--primary);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-brand p {
        margin-top: 16px;
        font-size: 0.9rem;
        line-height: 1.7;
        color: rgba(255, 255, 255, 0.6);
        max-width: 360px;
    }
    .footer-col h4 {
        color: #fff;
        font-size: 1rem;
        margin-bottom: 16px;
        font-weight: 600;
    }
    .footer-col a {
        display: block;
        padding: 6px 0;
        color: rgba(255, 255, 255, 0.6);
        font-size: 0.9rem;
        transition: var(--transition);
    }
    .footer-col a:hover {
        color: var(--primary);
        padding-left: 4px;
    }
    .footer-bottom {
        padding: 24px 0;
        text-align: center;
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.4);
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.5);
    }
    .footer-bottom a:hover {
        color: var(--primary);
    }

    /* ===== Not Found ===== */
    .not-found {
        text-align: center;
        padding: 80px 24px;
    }
    .not-found i {
        font-size: 4rem;
        color: var(--text-light);
        margin-bottom: 20px;
    }
    .not-found h2 {
        font-size: 1.8rem;
        margin-bottom: 12px;
    }
    .not-found p {
        color: var(--text-light);
        margin-bottom: 24px;
    }
    .not-found .btn {
        display: inline-block;
        padding: 12px 32px;
        background: var(--primary);
        color: #fff;
        border-radius: 50px;
        font-weight: 600;
    }
    .not-found .btn:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .article-layout {
            grid-template-columns: 1fr;
        }
        .article-sidebar {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .related-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
    }

    @media (max-width: 768px) {
        .nav {
            display: none;
            flex-direction: column;
            position: absolute;
            top: var(--nav-height);
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            padding: 16px 24px;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            gap: 4px;
        }
        .nav.open {
            display: flex;
        }
        .nav a {
            width: 100%;
            padding: 12px 16px;
        }
        .nav a.nav-cta {
            margin-top: 8px;
            justify-content: center;
        }
        .nav-toggle {
            display: block;
        }
        .article-banner h1 {
            font-size: 1.6rem;
        }
        .article-content {
            padding: 24px;
        }
        .article-content p {
            font-size: 1rem;
        }
        .article-sidebar {
            grid-template-columns: 1fr;
        }
        .related-grid {
            grid-template-columns: 1fr;
        }
        .article-nav {
            flex-direction: column;
        }
        .article-nav a {
            max-width: 100%;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .cta-section h2 {
            font-size: 1.5rem;
        }
        h1 {
            font-size: 1.8rem;
        }
        h2 {
            font-size: 1.5rem;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 16px;
        }
        .article-banner {
            padding: 40px 0 28px;
        }
        .article-banner h1 {
            font-size: 1.3rem;
        }
        .article-content {
            padding: 16px;
        }
        .article-meta {
            gap: 12px;
            font-size: 0.8rem;
        }
        .related-card .card-img {
            height: 140px;
        }
        .faq-question {
            font-size: 0.9rem;
            padding: 14px 16px;
        }
        .cta-section {
            padding: 40px 0;
        }
        .cta-section .btn-group {
            flex-direction: column;
            align-items: center;
        }
    }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e53935;
            --primary-dark: #c62828;
            --primary-light: #ff6f60;
            --secondary: #1a237e;
            --secondary-light: #3949ab;
            --accent: #ffb300;
            --bg-body: #f5f5f5;
            --bg-white: #ffffff;
            --bg-dark: #121212;
            --bg-card: #ffffff;
            --text-primary: #212121;
            --text-secondary: #616161;
            --text-light: #9e9e9e;
            --text-white: #ffffff;
            --border-color: #e0e0e0;
            --border-radius: 12px;
            --border-radius-sm: 8px;
            --border-radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1280px;
            --nav-height: 70px;
            --space-section: 5rem;
            --space-block: 2.5rem;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        /* ===== Header & Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .logo span {
            color: var(--secondary);
            font-weight: 600;
        }
        .logo:hover {
            color: var(--primary-dark);
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav a {
            padding: 0.5rem 1rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--border-radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .nav a:hover {
            color: var(--primary);
            background: rgba(229, 57, 53, 0.06);
        }
        .nav a.active {
            color: var(--primary);
            background: rgba(229, 57, 53, 0.10);
            font-weight: 600;
        }
        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 1rem;
            right: 1rem;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        .nav-cta {
            background: var(--primary) !important;
            color: var(--text-white) !important;
            padding: 0.5rem 1.25rem !important;
            border-radius: 50px !important;
            font-weight: 600 !important;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-left: 0.5rem;
        }
        .nav-cta i {
            font-size: 0.85rem;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(229, 57, 53, 0.35);
        }
        .nav-cta.active {
            background: var(--primary-dark) !important;
            box-shadow: 0 2px 8px rgba(229, 57, 53, 0.25);
        }
        .nav-cta.active::after {
            display: none;
        }

        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: var(--border-radius-sm);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            background: linear-gradient(135deg, var(--secondary) 0%, #283593 50%, var(--primary-dark) 100%);
            padding: 3.5rem 0 3rem;
            position: relative;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.75rem;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.20);
        }
        .page-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.90);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .page-banner .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.70);
            margin-bottom: 1.25rem;
        }
        .page-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }
        .page-banner .breadcrumb a:hover {
            color: var(--accent);
        }
        .page-banner .breadcrumb span {
            color: rgba(255, 255, 255, 0.95);
            font-weight: 500;
        }

        /* ===== Section Shared ===== */
        .section {
            padding: var(--space-section) 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
            letter-spacing: -0.3px;
        }
        .section-dark .section-title {
            color: var(--text-white);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }
        .text-center {
            text-align: center;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Guide Cards ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .guide-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .guide-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .guide-card:hover .card-img img {
            transform: scale(1.05);
        }
        .guide-card .card-img .badge-tag {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: var(--primary);
            color: var(--text-white);
            padding: 0.3rem 0.85rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.20);
        }
        .guide-card .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }
        .guide-card .card-body p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 1rem;
        }
        .guide-card .card-footer {
            padding: 0 1.5rem 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .guide-card .card-footer .tag {
            background: var(--bg-body);
            color: var(--text-secondary);
            font-size: 0.8rem;
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-weight: 500;
        }
        .guide-card .card-footer .tag i {
            margin-right: 0.3rem;
            color: var(--primary);
        }
        .guide-card .btn-guide {
            margin-top: auto;
            align-self: flex-start;
            background: var(--secondary);
            color: var(--text-white);
            padding: 0.5rem 1.25rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .guide-card .btn-guide:hover {
            background: var(--secondary-light);
            transform: translateX(4px);
            box-shadow: 0 4px 12px rgba(26, 35, 126, 0.30);
        }

        /* ===== Steps / Flow ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            counter-reset: step;
        }
        .step-item {
            background: var(--bg-white);
            border-radius: var(--border-radius);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: var(--text-white);
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 8px rgba(229, 57, 53, 0.30);
        }
        .step-item .step-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 1rem;
            margin-top: 0.5rem;
        }
        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== Hot Events ===== */
        .event-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
        }
        .event-item {
            background: var(--bg-white);
            border-radius: var(--border-radius-sm);
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .event-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
            transform: translateX(4px);
        }
        .event-item .event-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(229, 57, 53, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .event-item .event-info {
            flex: 1;
        }
        .event-item .event-info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.2rem;
            color: var(--text-primary);
        }
        .event-item .event-info p {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 0;
        }
        .event-item .event-time {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            white-space: nowrap;
            background: rgba(229, 57, 53, 0.08);
            padding: 0.3rem 0.75rem;
            border-radius: 50px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--border-radius-sm);
            margin-bottom: 0.75rem;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item summary {
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            list-style: none;
            color: var(--text-primary);
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.85rem;
            color: var(--text-light);
            transition: var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item[open] summary {
            color: var(--primary);
            border-bottom: 1px solid var(--border-color);
        }
        .faq-item .faq-answer {
            padding: 1rem 1.5rem 1.25rem;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--border-radius-lg);
            padding: 3.5rem 3rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::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;
        }
        .cta-block .container {
            position: relative;
            z-index: 2;
        }
        .cta-block h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.75rem;
        }
        .cta-block p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.90);
            max-width: 560px;
            margin: 0 auto 1.75rem;
        }
        .cta-block .btn-cta {
            background: var(--text-white);
            color: var(--primary);
            padding: 0.85rem 2.5rem;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .cta-block .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
            background: var(--accent);
            color: var(--secondary);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.80);
            padding: 3.5rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand .logo {
            font-size: 1.6rem;
            margin-bottom: 1rem;
        }
        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            padding: 0.35rem 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding: 1.5rem 0;
            text-align: center;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.50);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.70);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

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

        @media (max-width: 768px) {
            :root {
                --nav-height: 62px;
                --space-section: 3rem;
            }
            .nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 1rem;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
                border-bottom: 1px solid var(--border-color);
                gap: 0.25rem;
            }
            .nav.open {
                display: flex;
            }
            .nav a {
                padding: 0.75rem 1rem;
                width: 100%;
                border-radius: var(--border-radius-sm);
            }
            .nav a.active::after {
                display: none;
            }
            .nav-cta {
                margin-left: 0;
                justify-content: center;
            }
            .nav-toggle {
                display: block;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
            .page-banner {
                padding: 2.5rem 0 2rem;
                min-height: 200px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.25rem;
            }
            .event-list {
                grid-template-columns: 1fr;
            }
            .cta-block {
                padding: 2.5rem 1.5rem;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.75rem;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .page-banner p {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .guide-card .card-img {
                height: 160px;
            }
            .step-item {
                padding: 1.5rem 1rem;
            }
            .event-item {
                flex-wrap: wrap;
                padding: 1rem;
            }
            .event-item .event-time {
                margin-left: auto;
            }
            .cta-block h2 {
                font-size: 1.3rem;
            }
            .cta-block .btn-cta {
                padding: 0.7rem 1.5rem;
                font-size: 1rem;
            }
            .faq-item summary {
                font-size: 0.95rem;
                padding: 1rem 1.25rem;
            }
            .faq-item .faq-answer {
                font-size: 0.9rem;
                padding: 0.75rem 1.25rem 1rem;
            }
        }

        @media (max-width: 380px) {
            .logo {
                font-size: 1.2rem;
            }
            .nav a {
                font-size: 0.85rem;
                padding: 0.6rem 0.75rem;
            }
        }