/* roulang page: index */
:root {
  --primary: #0f1b2d;
  --primary-light: #1a2d4a;
  --secondary: #d4a03c;
  --secondary-light: #e8c46a;
  --accent: #2d6a4f;
  --bg: #f4f6f9;
  --bg-card: #ffffff;
  --bg-dark: #0a121f;
  --text: #1a1a2e;
  --text-light: #6c757d;
  --text-white: #f0f2f5;
  --border: #e0e4ea;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.12);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--secondary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-title { font-size: 2rem; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.02em; color: var(--primary); }
.section-subtitle { font-size: 1.1rem; color: var(--text-light); max-width: 640px; margin-bottom: 40px; line-height: 1.6; }
.text-center { text-align: center; }
.text-center .section-subtitle { margin-left: auto; margin-right: auto; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 50px; font-weight: 600; font-size: 0.95rem; border: none; cursor: pointer; transition: var(--transition); text-decoration: none; }
.btn-primary { background: var(--secondary); color: var(--primary); }
.btn-primary:hover { background: var(--secondary-light); color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212, 160, 60, 0.35); }
.btn-outline { background: transparent; color: var(--text-white); border: 2px solid var(--text-white); }
.btn-outline:hover { background: var(--text-white); color: var(--primary); transform: translateY(-2px); }
.btn-outline-primary { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline-primary:hover { background: var(--primary); color: white; transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.card { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transition: var(--transition); }
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.card-img { width: 100%; height: 200px; object-fit: cover; }
.card-body { padding: 24px; }
.card-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; color: var(--primary); }
.card-text { font-size: 0.92rem; color: var(--text-light); line-height: 1.6; }
.badge { display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 0.78rem; font-weight: 600; background: var(--secondary); color: var(--primary); }
.badge-sm { padding: 2px 10px; font-size: 0.72rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 24px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-40 { margin-bottom: 40px; }

/* Header & Nav */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(15, 27, 45, 0.95); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.06); height: var(--nav-height); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.logo { font-size: 1.4rem; font-weight: 800; color: var(--text-white); letter-spacing: -0.03em; display: flex; align-items: center; gap: 10px; }
.logo i { color: var(--secondary); font-size: 1.6rem; }
.logo span { color: var(--secondary); }
.logo:hover { color: var(--text-white); opacity: 0.9; }
.nav { display: flex; align-items: center; gap: 8px; }
.nav a { padding: 8px 18px; border-radius: 50px; font-size: 0.92rem; font-weight: 500; color: rgba(255,255,255,0.75); transition: var(--transition); }
.nav a:hover { color: var(--text-white); background: rgba(255,255,255,0.08); }
.nav a.active { color: var(--primary); background: var(--secondary); font-weight: 600; }
.nav-toggle { display: none; background: none; border: none; color: var(--text-white); font-size: 1.6rem; cursor: pointer; padding: 4px; }
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav { position: fixed; top: var(--nav-height); left: 0; right: 0; background: var(--primary); flex-direction: column; padding: 20px 24px; gap: 4px; border-bottom: 1px solid rgba(255,255,255,0.06); transform: translateY(-120%); opacity: 0; pointer-events: none; transition: var(--transition); }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav a { width: 100%; padding: 12px 18px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .section-title { font-size: 1.5rem; }
  .hero-content h1 { font-size: 2rem; }
  .hero-content p { font-size: 1rem; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}

/* Hero */
.hero { min-height: 92vh; display: flex; align-items: center; position: relative; background: var(--bg-dark); background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; background-blend-mode: overlay; padding-top: var(--nav-height); }
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,27,45,0.85) 0%, rgba(10,18,31,0.7) 100%); z-index: 1; }
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 720px; }
.hero-content .badge { margin-bottom: 20px; }
.hero-content h1 { font-size: 3.2rem; font-weight: 800; color: var(--text-white); line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 20px; }
.hero-content h1 span { color: var(--secondary); }
.hero-content p { font-size: 1.15rem; color: rgba(255,255,255,0.7); line-height: 1.7; margin-bottom: 32px; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 48px; margin-top: 48px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.1); }
.hero-stat h3 { font-size: 2rem; font-weight: 800; color: var(--secondary); }
.hero-stat p { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-bottom: 0; }
@media (max-width: 768px) {
  .hero { min-height: 80vh; }
  .hero-content h1 { font-size: 2rem; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat h3 { font-size: 1.5rem; }
}

/* Intro */
.intro-section { background: var(--bg-card); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.intro-image { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-hover); }
.intro-image img { width: 100%; height: 400px; object-fit: cover; }
.intro-content h2 { font-size: 1.8rem; font-weight: 700; color: var(--primary); margin-bottom: 16px; }
.intro-content p { color: var(--text-light); line-height: 1.7; margin-bottom: 16px; }
.intro-list { margin-top: 20px; }
.intro-list li { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.intro-list li:last-child { border-bottom: none; }
.intro-list li i { color: var(--secondary); font-size: 1.1rem; margin-top: 4px; flex-shrink: 0; }
@media (max-width: 768px) {
  .intro-grid { grid-template-columns: 1fr; }
  .intro-image img { height: 240px; }
}

/* Categories */
.categories-section { background: var(--bg); }
.category-card { text-align: center; padding: 36px 24px; background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); transition: var(--transition); cursor: pointer; }
.category-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); }
.category-card .icon { width: 64px; height: 64px; margin: 0 auto 16px; background: var(--secondary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; color: var(--primary); }
.category-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.category-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.5; }

/* Features */
.features-section { background: var(--bg-dark); color: var(--text-white); background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; background-blend-mode: overlay; position: relative; }
.features-section::before { content: ''; position: absolute; inset: 0; background: rgba(10,18,31,0.85); }
.features-section .container { position: relative; z-index: 1; }
.features-section .section-title { color: var(--text-white); }
.features-section .section-subtitle { color: rgba(255,255,255,0.6); }
.feature-card { background: rgba(255,255,255,0.06); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 32px 24px; transition: var(--transition); }
.feature-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.feature-card .icon { font-size: 2rem; color: var(--secondary); margin-bottom: 16px; }
.feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.6; }

/* News / CMS List */
.news-section { background: var(--bg-card); }
.news-card { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.news-card:last-child { border-bottom: none; }
.news-card .thumb { width: 120px; height: 84px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; background: var(--bg); }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-card .info { flex: 1; }
.news-card .info h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.news-card .info h3 a { color: var(--primary); }
.news-card .info h3 a:hover { color: var(--secondary); }
.news-card .info p { font-size: 0.88rem; color: var(--text-light); line-height: 1.5; margin-bottom: 6px; }
.news-card .meta { font-size: 0.78rem; color: var(--text-light); display: flex; gap: 16px; }
.news-card .meta .cat { color: var(--secondary); font-weight: 600; }
@media (max-width: 768px) {
  .news-card { flex-direction: column; }
  .news-card .thumb { width: 100%; height: 180px; }
}

/* Process */
.process-section { background: var(--bg); }
.process-steps { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 24px; }
.process-step { text-align: center; padding: 32px 16px; background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); position: relative; }
.process-step .step-num { width: 44px; height: 44px; background: var(--secondary); color: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; margin: 0 auto 16px; }
.process-step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 0.88rem; color: var(--text-light); line-height: 1.5; }
@media (max-width: 768px) {
  .process-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .process-steps { grid-template-columns: 1fr; }
}

/* FAQ */
.faq-section { background: var(--bg-card); }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
.faq-question { padding: 20px 24px; background: var(--bg); display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 600; font-size: 1rem; color: var(--primary); transition: var(--transition); }
.faq-question:hover { background: var(--border); }
.faq-question i { color: var(--secondary); transition: var(--transition); font-size: 1.1rem; }
.faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; background: var(--bg-card); }
.faq-answer.open { max-height: 300px; padding: 20px 24px; }
.faq-answer p { color: var(--text-light); line-height: 1.7; font-size: 0.92rem; }

/* CTA */
.cta-section { background: var(--primary); background-image: url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; background-blend-mode: overlay; position: relative; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(15,27,45,0.88); }
.cta-section .container { position: relative; z-index: 1; text-align: center; }
.cta-section h2 { font-size: 2rem; font-weight: 800; color: var(--text-white); margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,0.7); max-width: 540px; margin: 0 auto 28px; font-size: 1.05rem; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.6); padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.footer-brand .logo { margin-bottom: 12px; font-size: 1.2rem; }
.footer-brand p { font-size: 0.88rem; line-height: 1.6; max-width: 300px; }
.footer-col h4 { color: var(--text-white); font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,0.5); font-size: 0.88rem; padding: 4px 0; }
.footer-col a:hover { color: var(--secondary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; font-size: 0.85rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* Empty state */
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-light); }
.empty-state i { font-size: 2.4rem; color: var(--border); margin-bottom: 16px; }
.empty-state p { font-size: 1rem; }

/* Misc */
.tag { display: inline-block; padding: 2px 12px; border-radius: 50px; font-size: 0.75rem; font-weight: 600; background: var(--bg); color: var(--primary); }
.section-divider { width: 48px; height: 3px; background: var(--secondary); border-radius: 2px; margin-bottom: 16px; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2a44;
            --accent: #e8a838;
            --accent-light: #f0c060;
            --accent-dark: #c98a20;
            --bg-body: #f7f9fc;
            --bg-white: #ffffff;
            --bg-light: #edf2f7;
            --bg-dark: #0f1a2e;
            --text-primary: #1a2a3a;
            --text-secondary: #4a5a6a;
            --text-light: #7a8a9a;
            --text-white: #f0f4f8;
            --border: #dce4ec;
            --border-light: #e8eef4;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(26, 58, 92, 0.06);
            --shadow: 0 6px 24px rgba(26, 58, 92, 0.10);
            --shadow-lg: 0 16px 48px rgba(26, 58, 92, 0.14);
            --shadow-accent: 0 6px 24px rgba(232, 168, 56, 0.30);
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== 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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary-dark);
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2.0rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            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: var(--shadow-sm);
            transition: var(--transition);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: -0.3px;
        }
        .logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .logo span {
            color: var(--accent);
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav a:hover {
            color: var(--primary);
            background: var(--bg-light);
        }
        .nav a.active {
            color: var(--primary-dark);
            background: rgba(26, 58, 92, 0.08);
            font-weight: 600;
        }
        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--primary-dark);
            cursor: pointer;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--border);
        }

        /* ===== Hero / Banner ===== */
        .banner {
            margin-top: var(--header-h);
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .banner h1 {
            color: var(--text-white);
            font-size: 3.0rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.30);
        }
        .banner h1 i {
            color: var(--accent);
            margin-right: 12px;
        }
        .banner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.15rem;
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .banner-tags {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .banner-tags span {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: var(--text-white);
            border: 1px solid rgba(255, 255, 255, 0.20);
            font-weight: 500;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
        }
        .section-light {
            background: var(--bg-light);
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header h2 {
            font-size: 2.0rem;
            color: var(--primary-dark);
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-header p {
            color: var(--text-light);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 16px auto 0;
        }

        /* ===== 入口卡片网格 ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }
        .entry-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 32px 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .entry-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
            opacity: 0;
            transition: var(--transition);
        }
        .entry-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: var(--accent-light);
        }
        .entry-card:hover::before {
            opacity: 1;
        }
        .entry-card .icon-wrap {
            width: 60px;
            height: 60px;
            margin: 0 auto 18px;
            background: var(--bg-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .entry-card:hover .icon-wrap {
            background: var(--accent);
            color: #fff;
        }
        .entry-card h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .entry-card p {
            font-size: 0.92rem;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .entry-card .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(232, 168, 56, 0.15);
            color: var(--accent-dark);
            margin-bottom: 12px;
        }
        .entry-card .btn-sm {
            display: inline-block;
            padding: 8px 24px;
            border-radius: 40px;
            background: var(--primary);
            color: #fff;
            font-size: 0.88rem;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .entry-card .btn-sm:hover {
            background: var(--primary-light);
            transform: scale(1.04);
        }

        /* ===== 指南步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 32px 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .step-item .step-num {
            counter-increment: step;
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
        }
        .step-item h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--primary-dark);
        }
        .step-item p {
            font-size: 0.92rem;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* ===== 安全提示 ===== */
        .tips-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }
        .tip-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--bg-white);
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--accent);
            transition: var(--transition);
        }
        .tip-item:hover {
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }
        .tip-item i {
            font-size: 1.4rem;
            color: var(--accent);
            margin-top: 2px;
            flex-shrink: 0;
        }
        .tip-item h4 {
            font-size: 1.0rem;
            margin-bottom: 4px;
        }
        .tip-item p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* ===== 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-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent-light);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.0rem;
            color: var(--primary-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: var(--transition);
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            background: var(--bg-light);
        }
        .faq-question i {
            color: var(--accent);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            display: none;
            line-height: 1.7;
        }
        .faq-answer.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-box h2 {
            color: var(--text-white);
            font-size: 2.0rem;
            margin-bottom: 16px;
            position: relative;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.80);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
            position: relative;
        }
        .cta-box .btn-cta {
            display: inline-block;
            padding: 14px 44px;
            border-radius: 40px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1.05rem;
            border: 2px solid transparent;
            transition: var(--transition);
            position: relative;
            box-shadow: var(--shadow-accent);
        }
        .cta-box .btn-cta:hover {
            background: var(--accent-light);
            transform: scale(1.04);
            box-shadow: 0 8px 32px rgba(232, 168, 56, 0.40);
        }
        .cta-box .btn-cta i {
            margin-right: 8px;
        }

        /* ===== 图文区块 ===== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-row .text-col h2 {
            font-size: 1.8rem;
            margin-bottom: 16px;
        }
        .feature-row .text-col p {
            font-size: 1.0rem;
            color: var(--text-secondary);
        }
        .feature-row .img-col img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16 / 10;
        }
        .feature-row .img-col .img-placeholder {
            background: var(--bg-light);
            border-radius: var(--radius);
            aspect-ratio: 16 / 10;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 2rem;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .feature-row .img-col .img-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            border-top: 4px solid var(--accent);
        }
        .footer .logo {
            color: var(--text-white);
            font-size: 1.3rem;
            margin-bottom: 12px;
        }
        .footer .logo i {
            color: var(--accent);
        }
        .footer .logo span {
            color: var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.60);
            font-size: 0.92rem;
            margin-top: 8px;
            max-width: 320px;
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 1.0rem;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.60);
            font-size: 0.90rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom i {
            color: var(--accent);
            margin-right: 6px;
        }

        /* ===== 资源列表 ===== */
        .resource-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        .resource-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-white);
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .resource-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .resource-item .r-icon {
            width: 44px;
            height: 44px;
            background: var(--bg-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .resource-item .r-info h4 {
            font-size: 0.98rem;
            margin-bottom: 2px;
        }
        .resource-item .r-info p {
            font-size: 0.84rem;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .feature-row {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .feature-row .img-col {
                order: -1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            h1 {
                font-size: 2.0rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .banner {
                padding: 80px 0 56px;
                min-height: 280px;
            }
            .banner h1 {
                font-size: 2.0rem;
            }
            .banner p {
                font-size: 1.0rem;
            }
            .nav {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px 24px;
                box-shadow: var(--shadow);
                border-bottom: 2px solid var(--border-light);
                gap: 4px;
            }
            .nav.open {
                display: flex;
            }
            .nav a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav a.active::after {
                display: none;
            }
            .nav a.active {
                background: rgba(26, 58, 92, 0.08);
            }
            .nav-toggle {
                display: block;
            }
            .section {
                padding: 56px 0;
            }
            .entry-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .tips-list {
                grid-template-columns: 1fr;
            }
            .resource-list {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 40px 24px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .banner h1 {
                font-size: 1.6rem;
            }
            .banner p {
                font-size: 0.92rem;
            }
            .entry-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .entry-card {
                padding: 24px 16px 20px;
            }
            .cta-box .btn-cta {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.88rem;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
:root {
  --primary: #1a56db;
  --primary-dark: #0f3a8e;
  --primary-light: #e8effd;
  --secondary: #0d9488;
  --secondary-light: #d5f5f2;
  --accent: #f59e0b;
  --bg: #f9fafc;
  --bg-alt: #ffffff;
  --bg-dark: #0f172a;
  --text: #1e293b;
  --text-weak: #64748b;
  --text-on-dark: #f1f5f9;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 40px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.10);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  --max-width: 1200px;
  --header-h: 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); color: var(--text); background: var(--bg); line-height: 1.7; font-size: 16px; }
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, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
button { cursor: pointer; background: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* ===== Header / Nav ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); height: var(--header-h);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.logo { display: flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: -0.3px; }
.logo i { color: var(--primary); font-size: 24px; }
.logo span { color: var(--secondary); }
.logo:hover { color: var(--text); }
.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  padding: 8px 18px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 500;
  color: var(--text-weak); transition: var(--transition); position: relative;
}
.nav a:hover { color: var(--primary); background: var(--primary-light); }
.nav a.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.nav-toggle { display: none; font-size: 22px; color: var(--text); padding: 8px; }
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .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: 16px 24px; gap: 4px;
    border-bottom: 1px solid var(--border); transform: translateY(-110%); opacity: 0;
    transition: var(--transition); pointer-events: none;
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav a { width: 100%; padding: 12px 16px; font-size: 16px; }
}

/* ===== Page Hero / Banner ===== */
.page-banner {
  margin-top: var(--header-h); background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  padding: 60px 0 50px; position: relative; overflow: hidden;
}
.page-banner::before {
  content: ''; position: absolute; inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.08; mix-blend-mode: overlay;
}
.page-banner .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-weak); margin-bottom: 16px; flex-wrap: wrap; }
.breadcrumb a { color: var(--text-weak); }
.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb span { color: rgba(255,255,255,0.6); }
.breadcrumb i { font-size: 12px; color: rgba(255,255,255,0.3); }
.page-banner h1 {
  font-size: 32px; font-weight: 800; color: #ffffff; line-height: 1.3; max-width: 800px;
  margin-bottom: 12px; letter-spacing: -0.5px;
}
.page-meta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 14px; color: rgba(255,255,255,0.65); }
.page-meta .tag { background: var(--secondary); color: #fff; padding: 2px 14px; border-radius: 20px; font-size: 13px; font-weight: 500; }
.page-meta i { margin-right: 4px; }
@media (max-width: 768px) {
  .page-banner { padding: 40px 0 36px; }
  .page-banner h1 { font-size: 24px; }
  .page-meta { gap: 10px; font-size: 13px; }
}

/* ===== Article Main ===== */
.article-main { padding: 48px 0 60px; }
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; }
.article-body { background: var(--bg-alt); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.article-body .cover-img { border-radius: var(--radius-sm); margin-bottom: 32px; width: 100%; max-height: 480px; object-fit: cover; }
.article-content { font-size: 17px; line-height: 1.9; color: var(--text); }
.article-content h2, .article-content h3, .article-content h4 { margin-top: 32px; margin-bottom: 16px; font-weight: 700; color: var(--text); }
.article-content h2 { font-size: 24px; border-bottom: 2px solid var(--border-light); padding-bottom: 10px; }
.article-content h3 { font-size: 20px; }
.article-content p { margin-bottom: 20px; }
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--secondary); }
.article-content ul, .article-content ol { margin-bottom: 20px; padding-left: 24px; }
.article-content ul li { list-style: disc; margin-bottom: 8px; }
.article-content ol li { list-style: decimal; margin-bottom: 8px; }
.article-content blockquote {
  border-left: 4px solid var(--secondary); background: var(--secondary-light);
  padding: 16px 24px; margin: 24px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text); font-style: normal;
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content img { border-radius: var(--radius-sm); margin: 24px 0; }
.article-content code { background: var(--border-light); padding: 2px 8px; border-radius: 4px; font-size: 0.9em; }
.article-content pre { background: var(--bg-dark); color: var(--text-on-dark); padding: 20px; border-radius: var(--radius-sm); overflow-x: auto; margin-bottom: 20px; }
.article-footer { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.article-tags .tag { background: var(--border-light); color: var(--text-weak); padding: 4px 16px; border-radius: 20px; font-size: 13px; transition: var(--transition); }
.article-tags .tag:hover { background: var(--primary-light); color: var(--primary); }
.article-share { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-weak); }
.article-share a { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--border-light); color: var(--text-weak); transition: var(--transition); }
.article-share a:hover { background: var(--primary); color: #fff; }

/* ===== Sidebar ===== */
.article-sidebar { display: flex; flex-direction: column; gap: 28px; }
.sidebar-card { background: var(--bg-alt); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.sidebar-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 16px; color: var(--text); display: flex; align-items: center; gap: 8px; }
.sidebar-card h3 i { color: var(--primary); }
.sidebar-list { display: flex; flex-direction: column; gap: 12px; }
.sidebar-list a { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border-light); transition: var(--transition); }
.sidebar-list a:last-child { border-bottom: none; }
.sidebar-list a:hover { padding-left: 4px; }
.sidebar-list .thumb { width: 64px; height: 48px; border-radius: 6px; object-fit: cover; flex-shrink: 0; background: var(--border-light); }
.sidebar-list .info { flex: 1; min-width: 0; }
.sidebar-list .info .title { font-size: 14px; font-weight: 600; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.4; }
.sidebar-list .info .date { font-size: 12px; color: var(--text-weak); margin-top: 4px; }
.sidebar-cta { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; border-radius: var(--radius); padding: 28px 24px; text-align: center; }
.sidebar-cta h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.sidebar-cta p { font-size: 14px; opacity: 0.85; margin-bottom: 16px; }
.sidebar-cta .btn { background: #fff; color: var(--primary); padding: 10px 28px; border-radius: 30px; font-weight: 600; display: inline-block; }
.sidebar-cta .btn:hover { background: var(--secondary); color: #fff; }

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 600px) {
  .article-body { padding: 24px 16px; }
  .article-content { font-size: 16px; }
  .article-sidebar { grid-template-columns: 1fr; }
}

/* ===== Related Posts ===== */
.related-section { padding: 60px 0; background: var(--bg-alt); }
.related-section .section-title { text-align: center; margin-bottom: 40px; }
.related-section .section-title h2 { font-size: 28px; font-weight: 800; color: var(--text); }
.related-section .section-title p { color: var(--text-weak); font-size: 16px; margin-top: 8px; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.related-card { background: var(--bg); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.related-card .img-wrap { height: 180px; overflow: hidden; background: var(--border-light); }
.related-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.related-card:hover .img-wrap img { transform: scale(1.05); }
.related-card .card-body { padding: 18px 20px 20px; }
.related-card .card-body .cat { font-size: 12px; color: var(--secondary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.related-card .card-body h3 { font-size: 16px; font-weight: 700; line-height: 1.4; margin-bottom: 8px; }
.related-card .card-body h3 a { color: var(--text); }
.related-card .card-body h3 a:hover { color: var(--primary); }
.related-card .card-body .date { font-size: 13px; color: var(--text-weak); }
@media (max-width: 1024px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .related-grid { grid-template-columns: 1fr; } }

/* ===== CTA ===== */
.cta-section {
  padding: 64px 0; background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: 0.06; mix-blend-mode: overlay;
}
.cta-section .container { position: relative; z-index: 1; text-align: center; }
.cta-section h2 { font-size: 30px; font-weight: 800; color: #ffffff; margin-bottom: 12px; }
.cta-section p { font-size: 17px; color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 28px; }
.cta-section .btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-section .btn-primary { background: var(--secondary); color: #fff; padding: 14px 40px; border-radius: 30px; font-weight: 600; font-size: 16px; transition: var(--transition); }
.cta-section .btn-primary:hover { background: #0f766e; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(13,148,136,0.35); }
.cta-section .btn-outline { border: 2px solid rgba(255,255,255,0.3); color: #fff; padding: 12px 36px; border-radius: 30px; font-weight: 600; font-size: 16px; transition: var(--transition); }
.cta-section .btn-outline:hover { border-color: var(--secondary); background: var(--secondary); color: #fff; }

/* ===== Footer ===== */
.footer { background: var(--bg-dark); color: var(--text-on-dark); padding: 56px 0 0; }
.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 .logo { color: #fff; font-size: 20px; margin-bottom: 12px; }
.footer-brand .logo i { color: var(--secondary); }
.footer-brand .logo span { color: var(--accent); }
.footer-brand p { color: rgba(255,255,255,0.55); font-size: 14px; line-height: 1.7; max-width: 320px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,0.5); font-size: 14px; padding: 5px 0; transition: var(--transition); }
.footer-col a:hover { color: var(--secondary); padding-left: 4px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; font-size: 13px; color: rgba(255,255,255,0.35); flex-wrap: wrap; gap: 8px; }
.footer-bottom i { margin-right: 4px; }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ===== Not Found ===== */
.not-found { text-align: center; padding: 80px 20px; }
.not-found i { font-size: 64px; color: var(--text-weak); margin-bottom: 20px; opacity: 0.4; }
.not-found h2 { font-size: 28px; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.not-found p { color: var(--text-weak); font-size: 16px; margin-bottom: 24px; }
.not-found .btn-home { display: inline-block; background: var(--primary); color: #fff; padding: 12px 36px; border-radius: 30px; font-weight: 600; transition: var(--transition); }
.not-found .btn-home:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ===== Utility ===== */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }