/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #f0b830;
  --primary-light: #fcd34d;
  --primary-dark: #c9921e;
  --secondary: #0f0f2a;
  --accent: #ef4444;
  --bg-body: #06061a;
  --bg-card: #111130;
  --bg-card-hover: #1a1a42;
  --bg-section: #0a0a24;
  --bg-nav: rgba(6, 6, 26, 0.92);
  --text-body: #e8e8f0;
  --text-heading: #ffffff;
  --text-muted: #8888aa;
  --text-nav: #c0c0d8;
  --border-color: #2a2a50;
  --border-glow: rgba(240, 184, 48, 0.2);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 12px 48px rgba(240, 184, 48, 0.12);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --container-max: 1200px;
  --header-h: 72px;
}
/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: 1rem; }
ul, ol { list-style: none; }
/* ===== Container ===== */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }
/* ===== 导航 Header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-h);
  background: var(--bg-nav);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.header .container {
  display: flex; align-items: center; justify-content: center;
  height: 100%; position: relative;
}
/* Logo 居中 */
.logo {
  position: absolute; left: 50%; transform: translateX(-50%);
  font-size: 1.5rem; font-weight: 800; letter-spacing: 0.5px;
  color: var(--text-heading); white-space: nowrap;
}
.logo span { color: var(--primary); }
.logo i { color: var(--primary); margin-right: 6px; font-size: 1.2rem; }
/* 导航菜单 - 左右分布 */
.nav-left, .nav-right {
  display: flex; align-items: center; gap: 8px;
}
.nav-left { margin-right: auto; padding-left: 4px; }
.nav-right { margin-left: auto; padding-right: 4px; }
.nav-link {
  padding: 8px 18px; border-radius: var(--radius-sm);
  color: var(--text-nav); font-size: 0.9rem; font-weight: 500;
  transition: var(--transition); position: relative;
}
.nav-link:hover { color: var(--text-heading); background: rgba(240,184,48,0.08); }
.nav-link.active { color: var(--primary); background: rgba(240,184,48,0.12); }
.nav-link.active::after {
  content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 2px; background: var(--primary); border-radius: 2px;
}
/* 移动端菜单按钮 */
.menu-toggle { display: none; background: none; border: none; color: var(--text-heading); font-size: 1.4rem; cursor: pointer; padding: 8px; }
@media (max-width: 768px) {
  .nav-left, .nav-right { display: none; }
  .menu-toggle { display: block; position: absolute; right: 16px; top: 50%; transform: translateY(-50%); }
  .logo { font-size: 1.2rem; left: 50%; transform: translateX(-50%); }
  .header .container { justify-content: flex-start; }
  .nav-mobile-open .nav-left, .nav-mobile-open .nav-right {
    display: flex; flex-direction: column; position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--bg-nav); backdrop-filter: blur(20px); padding: 16px 24px;
    border-bottom: 1px solid var(--border-color); gap: 4px;
  }
  .nav-mobile-open .nav-left { margin-right: 0; }
  .nav-mobile-open .nav-right { margin-left: 0; }
  .nav-mobile-open .nav-link { padding: 12px 16px; width: 100%; }
}
/* ===== Hero 首屏 ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; padding-top: var(--header-h);
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(6,6,26,0.85) 0%, rgba(6,6,26,0.55) 50%, rgba(6,6,26,0.85) 100%);
  z-index: 1;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(240,184,48,0.06) 0%, transparent 60%);
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 800px; padding: 40px 24px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(240,184,48,0.12); border: 1px solid rgba(240,184,48,0.25);
  border-radius: 50px; padding: 6px 20px; font-size: 0.85rem; color: var(--primary);
  margin-bottom: 24px; backdrop-filter: blur(4px);
}
.hero-badge i { font-size: 0.75rem; }
.hero h1 {
  font-size: 3.2rem; font-weight: 800; line-height: 1.15; color: var(--text-heading);
  margin-bottom: 20px; letter-spacing: -0.5px;
}
.hero h1 span { color: var(--primary); }
.hero p {
  font-size: 1.15rem; color: var(--text-muted); max-width: 600px; margin: 0 auto 32px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; border-radius: var(--radius-sm); font-weight: 600;
  font-size: 1rem; border: none; cursor: pointer; transition: var(--transition);
  text-decoration: none;
}
.btn-primary { background: var(--primary); color: var(--secondary); }
.btn-primary:hover { background: var(--primary-light); color: var(--secondary); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(240,184,48,0.3); }
.btn-outline { background: transparent; color: var(--text-heading); border: 1.5px solid var(--border-color); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-outline i { color: var(--primary); }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }
@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
}
/* ===== 通用板块 ===== */
.section { padding: 90px 0; }
.section-dark { background: var(--bg-section); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 {
  font-size: 2.2rem; font-weight: 700; color: var(--text-heading);
  margin-bottom: 12px; letter-spacing: -0.3px;
}
.section-header h2 span { color: var(--primary); }
.section-header p { color: var(--text-muted); max-width: 540px; margin: 0 auto; font-size: 1.05rem; }
.section-tag {
  display: inline-block; background: rgba(240,184,48,0.1);
  border: 1px solid rgba(240,184,48,0.2); border-radius: 50px;
  padding: 4px 16px; font-size: 0.8rem; color: var(--primary);
  margin-bottom: 16px; letter-spacing: 1px; text-transform: uppercase;
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-header h2 { font-size: 1.7rem; }
}
/* ===== 卡片网格 ===== */
.card-grid {
  display: grid; gap: 24px;
  grid-template-columns: repeat(3, 1fr);
}
.card {
  background: var(--bg-card); border-radius: var(--radius-md);
  border: 1px solid var(--border-color); overflow: hidden;
  transition: var(--transition); box-shadow: var(--shadow-card);
}
.card:hover { transform: translateY(-6px); border-color: rgba(240,184,48,0.25); box-shadow: var(--shadow-hover); background: var(--bg-card-hover); }
.card-img { width: 100%; height: 200px; object-fit: cover; background: #1a1a3a; }
.card-body { padding: 24px; }
.card-body h3 { font-size: 1.15rem; font-weight: 600; color: var(--text-heading); margin-bottom: 8px; }
.card-body p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; }
.card-body .card-meta { display: flex; align-items: center; gap: 12px; margin-top: 14px; font-size: 0.82rem; color: var(--text-muted); }
.card-body .card-meta i { color: var(--primary); }
.card-tag {
  display: inline-block; background: rgba(240,184,48,0.1);
  border-radius: 4px; padding: 2px 10px; font-size: 0.75rem;
  color: var(--primary); margin-bottom: 10px;
}
@media (max-width: 1024px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .card-grid { grid-template-columns: 1fr; } }
/* ===== 特色介绍 / 图文 ===== */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; align-items: center; }
.feature-image img { border-radius: var(--radius-md); width: 100%; box-shadow: var(--shadow-card); border: 1px solid var(--border-color); }
.feature-text h3 { font-size: 1.8rem; font-weight: 700; color: var(--text-heading); margin-bottom: 16px; }
.feature-text h3 span { color: var(--primary); }
.feature-text p { color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; }
.feature-list { display: flex; flex-direction: column; gap: 12px; }
.feature-list li { display: flex; align-items: flex-start; gap: 12px; color: var(--text-body); }
.feature-list li i { color: var(--primary); margin-top: 4px; flex-shrink: 0; }
@media (max-width: 768px) { .feature-grid { grid-template-columns: 1fr; gap: 28px; } .feature-text h3 { font-size: 1.4rem; } }
/* ===== 数据统计 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); padding: 32px 20px; text-align: center;
  transition: var(--transition);
}
.stat-card:hover { border-color: rgba(240,184,48,0.3); transform: translateY(-4px); }
.stat-number { font-size: 2.6rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-label { color: var(--text-muted); font-size: 0.9rem; margin-top: 6px; }
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
/* ===== 资讯列表 (CMS) ===== */
.post-list { display: flex; flex-direction: column; gap: 16px; }
.post-item {
  display: flex; align-items: center; gap: 20px;
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-sm); padding: 20px 24px;
  transition: var(--transition);
}
.post-item:hover { border-color: rgba(240,184,48,0.2); background: var(--bg-card-hover); transform: translateX(4px); }
.post-item .post-icon { width: 44px; height: 44px; border-radius: 10px; background: rgba(240,184,48,0.1); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 1.1rem; flex-shrink: 0; }
.post-item .post-info { flex: 1; min-width: 0; }
.post-item .post-info h4 { font-size: 1rem; font-weight: 600; color: var(--text-heading); margin-bottom: 4px; }
.post-item .post-info p { font-size: 0.88rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.post-item .post-meta { display: flex; align-items: center; gap: 14px; font-size: 0.8rem; color: var(--text-muted); flex-shrink: 0; }
.post-item .post-meta i { color: var(--primary); }
.post-empty { text-align: center; padding: 40px; color: var(--text-muted); background: var(--bg-card); border-radius: var(--radius-sm); border: 1px dashed var(--border-color); }
@media (max-width: 640px) { .post-item { flex-direction: column; align-items: flex-start; gap: 10px; } .post-item .post-meta { width: 100%; justify-content: flex-start; } }
/* ===== 分类入口 ===== */
.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.cat-card {
  display: flex; align-items: center; gap: 20px;
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); padding: 28px 24px;
  transition: var(--transition);
}
.cat-card:hover { border-color: rgba(240,184,48,0.3); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.cat-icon { width: 56px; height: 56px; border-radius: 14px; background: rgba(240,184,48,0.1); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--primary); flex-shrink: 0; }
.cat-info h4 { font-size: 1.1rem; font-weight: 600; color: var(--text-heading); margin-bottom: 4px; }
.cat-info p { font-size: 0.88rem; color: var(--text-muted); }
@media (max-width: 640px) { .cat-grid { grid-template-columns: 1fr; } }
/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-sm); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(240,184,48,0.2); }
.faq-q { padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; color: var(--text-heading); font-size: 1rem; }
.faq-q i { color: var(--primary); transition: var(--transition); font-size: 0.85rem; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; color: var(--text-muted); line-height: 1.8; font-size: 0.92rem; }
.faq-item.open .faq-a { max-height: 300px; padding: 0 24px 20px; }
/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--bg-card) 0%, #0a0a30 100%); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); text-align: center; padding: 80px 0; }
.cta-section h2 { font-size: 2rem; font-weight: 700; color: var(--text-heading); margin-bottom: 12px; }
.cta-section h2 span { color: var(--primary); }
.cta-section p { color: var(--text-muted); max-width: 500px; margin: 0 auto 28px; }
/* ===== 页脚 ===== */
.footer { background: var(--bg-section); border-top: 1px solid var(--border-color); padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
.footer-brand .logo { position: static; transform: none; font-size: 1.3rem; margin-bottom: 12px; display: inline-block; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; max-width: 300px; line-height: 1.8; }
.footer-col h5 { font-size: 0.95rem; font-weight: 600; color: var(--text-heading); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--text-muted); font-size: 0.88rem; padding: 4px 0; transition: var(--transition); }
.footer-col a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom { border-top: 1px solid var(--border-color); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: var(--text-muted); }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary); }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; text-align: center; } }
/* ===== 辅助 ===== */
.text-center { text-align: center; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.gap-1 { gap: 10px; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2d4a7a;
            --accent: #f4a261;
            --accent-dark: #e07a2e;
            --dark: #0a0f1a;
            --dark-2: #111827;
            --dark-3: #1a2332;
            --dark-card: #1e293b;
            --surface: #0f1724;
            --text: #f1f5f9;
            --text-muted: #94a3b8;
            --text-dim: #64748b;
            --border: #2d3a4e;
            --border-light: #3d4a5e;
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.25);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container: 1280px;
            --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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--dark);
            background-image: radial-gradient(ellipse at 20% 10%, rgba(230, 57, 70, 0.04) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 90%, rgba(29, 53, 87, 0.06) 0%, transparent 60%);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        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;
            background: transparent;
            color: var(--text);
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }

        h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
        }
        h4 {
            font-size: 1.2rem;
        }
        h5 {
            font-size: 1rem;
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(10, 15, 26, 0.92);
            backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
        }

        .header.scrolled {
            background: rgba(10, 15, 26, 0.97);
            border-bottom-color: var(--primary);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            top: 50%;
            transform: translate(-50%, -50%);
            white-space: nowrap;
        }
        .logo i {
            color: var(--primary);
            font-size: 1.4rem;
        }
        .logo span {
            color: var(--primary);
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-left {
            margin-right: auto;
        }
        .nav-right {
            margin-left: auto;
        }

        .nav-link {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.3px;
            border: 1px solid transparent;
        }
        .nav-link i {
            font-size: 0.9rem;
            color: var(--text-dim);
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--text);
            background: rgba(230, 57, 70, 0.08);
            border-color: rgba(230, 57, 70, 0.15);
        }
        .nav-link:hover i {
            color: var(--primary-light);
        }
        .nav-link.active {
            color: var(--text);
            background: rgba(230, 57, 70, 0.12);
            border-color: rgba(230, 57, 70, 0.2);
        }
        .nav-link.active i {
            color: var(--primary);
        }

        /* Mobile toggle */
        .mobile-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--text);
            background: none;
            border: none;
            padding: 8px;
            z-index: 1001;
            cursor: pointer;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 15, 26, 0.98);
            backdrop-filter: blur(30px);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
        }
        .mobile-menu.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu .nav-link {
            font-size: 1.4rem;
            padding: 16px 32px;
        }

        @media (max-width: 768px) {
            .nav-left,
            .nav-right {
                display: none;
            }
            .mobile-toggle {
                display: block;
                position: absolute;
                right: 16px;
                top: 50%;
                transform: translateY(-50%);
            }
            .logo {
                position: static;
                transform: none;
                font-size: 1.2rem;
            }
            .header .container {
                justify-content: space-between;
            }
            .mobile-menu {
                display: flex;
            }
        }

        /* ===== Hero (内页横幅) ===== */
        .page-hero {
            margin-top: var(--header-h);
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--dark-2) 0%, var(--dark-3) 50%, var(--surface) 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }
        .page-hero::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;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(230, 57, 70, 0.08) 0%, transparent 70%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 900;
            letter-spacing: 2px;
            background: linear-gradient(135deg, var(--text) 30%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 720px;
            margin: 0 auto 8px;
            line-height: 1.8;
        }
        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-dim);
            margin-bottom: 20px;
        }
        .page-hero .breadcrumb a {
            color: var(--text-muted);
        }
        .page-hero .breadcrumb a:hover {
            color: var(--primary-light);
        }
        .page-hero .breadcrumb span {
            color: var(--primary-light);
        }
        .page-hero .breadcrumb i {
            font-size: 0.7rem;
            color: var(--text-dim);
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 80px 0 60px;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--dark-2);
        }
        .section-darker {
            background: var(--dark-3);
        }
        .section-surface {
            background: var(--surface);
        }

        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-weight: 800;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .section-title h2 i {
            color: var(--primary);
            margin-right: 10px;
        }
        .section-title p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-title .divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 16px auto 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
        }

        /* ===== 分类标签导航 ===== */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-bottom: 48px;
        }
        .category-tabs .tab {
            padding: 10px 28px;
            border-radius: 50px;
            background: var(--dark-card);
            border: 1px solid var(--border);
            color: var(--text-muted);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .category-tabs .tab i {
            font-size: 0.85rem;
            color: var(--text-dim);
            transition: var(--transition);
        }
        .category-tabs .tab:hover {
            border-color: var(--primary);
            color: var(--text);
            background: rgba(230, 57, 70, 0.08);
            transform: translateY(-2px);
        }
        .category-tabs .tab.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.3);
        }
        .category-tabs .tab.active i {
            color: #fff;
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
        }
        .card-grid.cols-3 {
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        }

        @media (max-width: 600px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid.cols-2,
            .card-grid.cols-3 {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--dark-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow), var(--shadow-glow);
        }
        .card .card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
            border-radius: 0;
        }
        .card .card-body {
            padding: 20px 22px 24px;
        }
        .card .card-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .card .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card .card-title a {
            color: var(--text);
        }
        .card .card-title a:hover {
            color: var(--primary-light);
        }
        .card .card-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-dim);
        }
        .card .card-meta i {
            margin-right: 4px;
        }
        .card .card-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* 大型特色卡片 */
        .feature-card {
            background: var(--dark-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow), var(--shadow-glow);
        }
        .feature-card .fc-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: 0;
        }
        .feature-card .fc-body {
            padding: 24px 28px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .feature-card .fc-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary-light);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .feature-card .fc-title {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .feature-card .fc-title a {
            color: var(--text);
        }
        .feature-card .fc-title a:hover {
            color: var(--primary-light);
        }
        .feature-card .fc-desc {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .feature-card .fc-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.9rem;
            color: var(--text-dim);
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }
        .feature-card .fc-meta .left {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .feature-card .fc-meta .left i {
            margin-right: 4px;
        }

        @media (max-width: 768px) {
            .feature-card .fc-body {
                padding: 18px 20px 22px;
            }
            .feature-card .fc-title {
                font-size: 1.2rem;
            }
        }

        /* ===== 数据统计模块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
        }
        .stat-card {
            background: var(--dark-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .stat-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow), var(--shadow-glow);
        }
        .stat-card .stat-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--text);
            letter-spacing: 2px;
            line-height: 1.2;
        }
        .stat-card .stat-label {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-top: 6px;
            font-weight: 500;
        }
        .stat-card .stat-number span {
            color: var(--primary);
        }

        @media (max-width: 600px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
        }

        /* ===== 时间线 ===== */
        .timeline {
            position: relative;
            padding-left: 40px;
            max-width: 800px;
            margin: 0 auto;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--primary), var(--secondary));
            border-radius: 4px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 36px;
            padding: 20px 24px;
            background: var(--dark-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .timeline-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 28px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--dark);
            box-shadow: 0 0 0 3px var(--primary);
        }
        .timeline-item .tl-date {
            font-size: 0.85rem;
            color: var(--primary-light);
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .timeline-item .tl-date i {
            font-size: 0.75rem;
        }
        .timeline-item .tl-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .timeline-item .tl-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        @media (max-width: 600px) {
            .timeline {
                padding-left: 32px;
            }
            .timeline::before {
                left: 10px;
            }
            .timeline-item::before {
                left: -26px;
                width: 12px;
                height: 12px;
            }
            .timeline-item {
                padding: 16px 18px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--dark-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: 16px;
            user-select: none;
            transition: var(--transition);
            color: var(--text);
        }
        .faq-item .faq-q i {
            color: var(--primary);
            transition: var(--transition);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-item .faq-q:hover {
            color: var(--primary-light);
        }
        .faq-item .faq-q.active i {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            display: none;
        }
        .faq-item .faq-a.show {
            display: block;
        }
        .faq-item .faq-a p {
            margin-bottom: 8px;
        }
        .faq-item .faq-a p:last-child {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--dark-2) 0%, var(--dark-3) 50%, var(--surface) 100%);
            position: relative;
            overflow: hidden;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.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 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 16px 40px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.35);
        }
        .cta-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 40px rgba(230, 57, 70, 0.5);
            color: #fff;
        }
        .cta-btn i {
            font-size: 1rem;
        }
        .cta-btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary-light);
            box-shadow: none;
        }
        .cta-btn-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.3);
        }
        .cta-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ===== 文章列表 ===== */
        .post-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
        }
        .post-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--dark-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 18px 22px;
            transition: var(--transition);
        }
        .post-item:hover {
            border-color: var(--primary);
            transform: translateX(4px);
            box-shadow: var(--shadow-sm);
        }
        .post-item .pi-img {
            width: 100px;
            height: 72px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .post-item .pi-body {
            flex: 1;
            min-width: 0;
        }
        .post-item .pi-title {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .post-item .pi-title a {
            color: var(--text);
        }
        .post-item .pi-title a:hover {
            color: var(--primary-light);
        }
        .post-item .pi-meta {
            font-size: 0.85rem;
            color: var(--text-dim);
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .post-item .pi-meta i {
            margin-right: 4px;
        }

        @media (max-width: 600px) {
            .post-item {
                flex-direction: column;
                padding: 16px;
            }
            .post-item .pi-img {
                width: 100%;
                height: 140px;
            }
        }

        /* ===== 图文混合区块 ===== */
        .split-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .split-block .sb-img {
            border-radius: var(--radius-lg);
            object-fit: cover;
            width: 100%;
            height: 400px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .split-block .sb-content h3 {
            font-size: clamp(1.4rem, 3vw, 2rem);
            font-weight: 800;
            margin-bottom: 16px;
        }
        .split-block .sb-content h3 i {
            color: var(--primary);
            margin-right: 8px;
        }
        .split-block .sb-content p {
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .split-block .sb-content .sb-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .split-block .sb-content .sb-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .split-block .sb-content .sb-list li i {
            color: var(--primary);
            margin-top: 4px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .split-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .split-block .sb-img {
                height: 240px;
                order: -1;
            }
        }

        /* ===== 徽章 / 标签 ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary-light);
        }
        .badge-secondary {
            background: rgba(29, 53, 87, 0.3);
            color: var(--secondary-light);
        }
        .badge-accent {
            background: rgba(244, 162, 97, 0.15);
            color: var(--accent);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.3);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--text);
            border-color: var(--border);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            transform: translateY(-2px);
            background: rgba(230, 57, 70, 0.05);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1.1rem;
        }

        /* ===== 分页 ===== */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid var(--border);
            color: var(--text-muted);
            transition: var(--transition);
        }
        .pagination a:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            background: rgba(230, 57, 70, 0.05);
        }
        .pagination .active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .pagination .dots {
            border: none;
            color: var(--text-dim);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--dark-2);
            border-top: 1px solid var(--border);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            position: static;
            transform: none;
            font-size: 1.3rem;
            margin-bottom: 12px;
            justify-content: flex-start;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            font-size: 0.85rem;
            color: var(--text-dim);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== 响应式补充 ===== */
        @media (max-width: 1024px) {
            .card-grid.cols-2 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .card-grid.cols-2 {
                grid-template-columns: 1fr;
            }
            .category-tabs .tab {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 480px) {
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .cta-btn {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mt-48 {
            margin-top: 48px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }

/* roulang page: article */
:root {
  --primary: #c8a84e;
  --primary-dark: #a8882e;
  --primary-light: #e8c86e;
  --bg-dark: #0a0a12;
  --bg-card: #12121e;
  --bg-elevated: #1a1a2e;
  --bg-section: #0e0e1a;
  --text-primary: #f0ede8;
  --text-secondary: #b0aca4;
  --text-muted: #7a766e;
  --border-color: #2a2a3e;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-hover: 0 12px 48px rgba(200,168,78,0.12);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-sans: 'Segoe UI','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg-dark);color:var(--text-primary);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-light)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
input,button,textarea{font-family:inherit;font-size:inherit;outline:none;border:none;background:transparent;color:inherit}
button{cursor:pointer}
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-title{font-size:2rem;font-weight:700;margin-bottom:12px;letter-spacing:-0.5px;text-align:center}
.section-sub{font-size:1.05rem;color:var(--text-secondary);text-align:center;max-width:640px;margin:0 auto 48px}
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,10,18,0.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(200,168,78,0.08);transition:var(--transition)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{font-size:1.55rem;font-weight:800;color:var(--text-primary);letter-spacing:1px;display:flex;align-items:center;gap:10px}
.logo i{color:var(--primary);font-size:1.6rem}
.logo span{color:var(--primary)}
.nav-left{display:flex;align-items:center;gap:8px}
.nav-left .nav-link{display:flex;align-items:center;gap:8px;padding:8px 20px;border-radius:var(--radius-sm);color:var(--text-secondary);font-weight:500;font-size:0.95rem;transition:var(--transition);position:relative}
.nav-left .nav-link i{font-size:0.9rem;color:var(--text-muted);transition:var(--transition)}
.nav-left .nav-link:hover{color:var(--text-primary);background:rgba(200,168,78,0.08)}
.nav-left .nav-link:hover i{color:var(--primary)}
.nav-left .nav-link.active{color:var(--primary);background:rgba(200,168,78,0.12)}
.nav-left .nav-link.active i{color:var(--primary)}
.nav-toggle{display:none;background:rgba(200,168,78,0.1);width:44px;height:44px;border-radius:var(--radius-sm);color:var(--text-primary);font-size:1.2rem;transition:var(--transition);align-items:center;justify-content:center}
.nav-toggle:hover{background:rgba(200,168,78,0.2)}
.article-banner{position:relative;padding:140px 0 60px;margin-top:0;background:linear-gradient(135deg,rgba(10,10,18,0.85),rgba(20,15,30,0.9)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;border-bottom:1px solid rgba(200,168,78,0.06)}
.article-banner::after{content:'';position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(to top,var(--bg-dark),transparent);pointer-events:none}
.article-banner .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:0.85rem;color:var(--text-muted);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-muted);transition:var(--transition)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb i{font-size:0.65rem;color:var(--text-muted)}
.breadcrumb .current{color:var(--text-secondary)}
.article-banner h1{font-size:2.6rem;font-weight:800;line-height:1.25;letter-spacing:-1px;margin-bottom:16px;max-width:860px;color:var(--text-primary)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px;font-size:0.9rem;color:var(--text-secondary)}
.article-meta .meta-item{display:flex;align-items:center;gap:8px}
.article-meta .meta-item i{color:var(--primary);font-size:0.85rem;width:16px;text-align:center}
.article-meta .tag{display:inline-block;padding:3px 14px;border-radius:20px;background:rgba(200,168,78,0.12);color:var(--primary);font-size:0.8rem;font-weight:600;border:1px solid rgba(200,168,78,0.15)}
.main-content{padding:60px 0 80px}
.content-layout{display:grid;grid-template-columns:1fr 300px;gap:48px}
.article-body{background:var(--bg-card);border-radius:var(--radius-lg);padding:48px;border:1px solid var(--border-color);box-shadow:var(--shadow-card)}
.article-body h2{font-size:1.6rem;font-weight:700;margin:36px 0 16px;color:var(--text-primary);letter-spacing:-0.3px}
.article-body h3{font-size:1.25rem;font-weight:600;margin:28px 0 12px;color:var(--text-primary)}
.article-body p{margin-bottom:18px;color:var(--text-secondary);font-size:1.02rem;line-height:1.85}
.article-body ul,.article-body ol{margin:16px 0 20px;padding-left:24px}
.article-body ul li{list-style:disc;margin-bottom:8px;color:var(--text-secondary)}
.article-body ol li{list-style:decimal;margin-bottom:8px;color:var(--text-secondary)}
.article-body img{border-radius:var(--radius-md);margin:24px 0;box-shadow:var(--shadow-card);width:100%}
.article-body blockquote{border-left:4px solid var(--primary);padding:16px 24px;margin:24px 0;background:rgba(200,168,78,0.04);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-secondary);font-style:italic}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(200,168,78,0.2)}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body code{background:rgba(200,168,78,0.08);padding:2px 10px;border-radius:4px;font-size:0.9em;color:var(--primary-light)}
.article-footer{margin-top:40px;padding-top:32px;border-top:1px solid var(--border-color);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px}
.article-tags{display:flex;flex-wrap:wrap;gap:10px}
.article-tags .tag-item{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:20px;background:rgba(200,168,78,0.06);border:1px solid rgba(200,168,78,0.1);color:var(--text-secondary);font-size:0.83rem;transition:var(--transition)}
.article-tags .tag-item:hover{background:rgba(200,168,78,0.12);color:var(--primary);border-color:rgba(200,168,78,0.2)}
.article-tags .tag-item i{font-size:0.75rem;color:var(--primary)}
.article-share{display:flex;align-items:center;gap:12px}
.article-share span{font-size:0.85rem;color:var(--text-muted)}
.share-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--bg-elevated);border:1px solid var(--border-color);color:var(--text-secondary);font-size:0.95rem;transition:var(--transition)}
.share-btn:hover{background:var(--primary);color:var(--bg-dark);border-color:var(--primary);transform:translateY(-2px)}
.sidebar{display:flex;flex-direction:column;gap:32px}
.sidebar-card{background:var(--bg-card);border-radius:var(--radius-md);padding:28px;border:1px solid var(--border-color);box-shadow:var(--shadow-card)}
.sidebar-card h4{font-size:1.1rem;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.sidebar-card h4 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 rgba(255,255,255,0.04);transition:var(--transition)}
.sidebar-list a:last-child{border-bottom:none}
.sidebar-list a:hover{padding-left:8px}
.sidebar-list .thumb{width:56px;height:56px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0;background:var(--bg-elevated)}
.sidebar-list .info{flex:1;min-width:0}
.sidebar-list .info .item-title{font-size:0.88rem;font-weight:600;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.sidebar-list .info .item-date{font-size:0.75rem;color:var(--text-muted);margin-top:4px}
.related-section{background:var(--bg-section);padding:80px 0;border-top:1px solid rgba(200,168,78,0.04)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.related-card{background:var(--bg-card);border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-color);transition:var(--transition);box-shadow:var(--shadow-card)}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(200,168,78,0.15)}
.related-card .card-img{width:100%;height:200px;object-fit:cover;background:var(--bg-elevated)}
.related-card .card-body{padding:20px 22px 24px}
.related-card .card-cat{display:inline-block;padding:2px 12px;border-radius:12px;background:rgba(200,168,78,0.1);color:var(--primary);font-size:0.75rem;font-weight:600;margin-bottom:10px}
.related-card .card-title{font-size:1.05rem;font-weight:700;margin-bottom:8px;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.related-card .card-excerpt{font-size:0.88rem;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px;line-height:1.6}
.related-card .card-meta{font-size:0.8rem;color:var(--text-muted);display:flex;align-items:center;gap:14px}
.related-card .card-meta i{font-size:0.75rem;color:var(--primary)}
.cta-section{background:linear-gradient(135deg,rgba(10,10,18,0.9),rgba(30,20,40,0.95)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;padding:80px 0;text-align:center;border-top:1px solid rgba(200,168,78,0.06)}
.cta-section h2{font-size:2rem;font-weight:800;margin-bottom:12px;letter-spacing:-0.5px}
.cta-section p{font-size:1.1rem;color:var(--text-secondary);max-width:560px;margin:0 auto 32px}
.btn-group{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 36px;border-radius:var(--radius-sm);font-weight:700;font-size:1rem;transition:var(--transition);border:2px solid transparent}
.btn-primary{background:var(--primary);color:var(--bg-dark);border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:var(--bg-dark);transform:translateY(-2px);box-shadow:0 8px 30px rgba(200,168,78,0.25)}
.btn-outline{background:transparent;border-color:rgba(200,168,78,0.3);color:var(--text-primary)}
.btn-outline:hover{background:rgba(200,168,78,0.08);border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.faq-section{background:var(--bg-dark);padding:80px 0}
.faq-grid{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-color);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:rgba(200,168,78,0.12)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;cursor:pointer;font-weight:600;font-size:1rem;color:var(--text-primary);background:transparent;transition:var(--transition);width:100%;text-align:left}
.faq-question i{color:var(--primary);transition:var(--transition);font-size:0.85rem}
.faq-question.open i{transform:rotate(180deg)}
.faq-answer{padding:0 24px 18px;font-size:0.95rem;color:var(--text-secondary);line-height:1.7;display:none}
.faq-answer.show{display:block}
.footer{background:var(--bg-card);border-top:1px solid var(--border-color);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{font-size:0.92rem;color:var(--text-secondary);line-height:1.7;max-width:340px;margin-top:12px}
.footer-col h5{font-size:1rem;font-weight:700;margin-bottom:16px;color:var(--text-primary);display:flex;align-items:center;gap:8px}
.footer-col h5 i{color:var(--primary);font-size:0.85rem}
.footer-col a{display:block;padding:6px 0;font-size:0.9rem;color:var(--text-secondary);transition:var(--transition)}
.footer-col a:hover{color:var(--primary);padding-left:6px}
.footer-bottom{border-top:1px solid var(--border-color);padding:24px 0;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;font-size:0.85rem;color:var(--text-muted)}
.footer-bottom a{color:var(--text-secondary)}
.footer-bottom a:hover{color:var(--primary)}
.not-found{text-align:center;padding:60px 20px}
.not-found i{font-size:3.5rem;color:var(--primary);margin-bottom:20px;opacity:0.6}
.not-found h2{font-size:1.8rem;font-weight:700;margin-bottom:12px}
.not-found p{color:var(--text-secondary);margin-bottom:24px;font-size:1.05rem}
.not-found .btn{margin-top:8px}
@media(max-width:1024px){
  .content-layout{grid-template-columns:1fr}
  .sidebar{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .article-banner h1{font-size:2.2rem}
}
@media(max-width:768px){
  .nav-left{display:none;position:absolute;top:70px;left:0;right:0;background:rgba(10,10,18,0.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);flex-direction:column;padding:16px 24px;border-bottom:1px solid var(--border-color);box-shadow:0 20px 60px rgba(0,0,0,0.6)}
  .nav-left.open{display:flex}
  .nav-left .nav-link{padding:12px 16px;width:100%;border-radius:var(--radius-sm)}
  .nav-toggle{display:flex}
  .article-banner{padding:110px 0 40px}
  .article-banner h1{font-size:1.7rem}
  .article-body{padding:28px 20px}
  .related-grid{grid-template-columns:1fr}
  .sidebar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
  .section{padding:50px 0}
  .section-title{font-size:1.6rem}
  .section-sub{font-size:0.95rem;margin-bottom:32px}
  .cta-section h2{font-size:1.6rem}
  .article-meta{gap:12px 20px;font-size:0.82rem}
  .btn-group{flex-direction:column;align-items:center}
  .btn{width:100%;max-width:300px;justify-content:center}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .article-banner h1{font-size:1.4rem}
  .article-body{padding:20px 14px}
  .article-body h2{font-size:1.25rem}
  .article-body p{font-size:0.95rem}
  .related-card .card-img{height:160px}
  .layout-sidebar{grid-template-columns:1fr}
}