/* -------------------------------------------------------------
   超音速平流层风 (Supersonic Stratosphere) Design System & Styles
   ------------------------------------------------------------- */

:root {
    /* 色彩系统 Specification */
    --bg-main: #060A12;           /* 主背景色 60%: 平流层深穹黑 */
    --bg-card: #0E1626;           /* 表面/卡片色 20%: 高空巡航机身蓝黑 */
    --bg-card-hover: #142036;
    --border-card: rgba(56, 189, 248, 0.12); /* rgba(56, 189, 248, 0.12) 细微光边 */
    --border-card-glow: rgba(0, 210, 255, 0.35);

    --text-primary: #F1F5F9;      /* 主文本/框架色 10%: 航行冰白 */
    --text-muted: #94A3B8;        /* 仪表浅蓝灰 */
    --text-dark: #64748B;

    --accent-blue: #00D2FF;       /* 尾焰激波蓝 */
    --accent-cyan: #00F5A0;       /* 极光电光青 */
    --gradient-hero: linear-gradient(135deg, #00D2FF 0%, #00F5A0 100%);
    --gradient-glow: linear-gradient(135deg, rgba(0, 210, 255, 0.2) 0%, rgba(0, 245, 160, 0.1) 100%);

    --status-online: #10B981;     /* 巡航绿色 (低延迟绿灯) */
    --status-warning: #F59E0B;    /* 航路空域预警橙 */

    /* 字体 */
    --font-heading: 'Orbitron', -apple-system, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --sidebar-left-width: 260px;
    --sidebar-right-width: 320px;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* 动态背景图片层 */
#bg-image-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    background: url('../images/bg.png') center top / cover no-repeat;
    opacity: 0.85;
    filter: brightness(0.9) contrast(1.1);
    transform: scale(1.02);
    animation: stratFloat 18s ease-in-out infinite alternate;
}

/* 背景微幅漂浮呼吸动画 */
@keyframes stratFloat {
    0% {
        transform: scale(1.02) translateY(0px);
        filter: brightness(0.9) contrast(1.1);
    }
    50% {
        transform: scale(1.05) translateY(-8px);
        filter: brightness(1.0) contrast(1.15);
    }
    100% {
        transform: scale(1.03) translateY(-15px);
        filter: brightness(0.92) contrast(1.1);
    }
}

/* Canvas Background 动态叠加层 */
#sky-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

/* Typography & Utilities */
h1, h2, h3, h4, .font-heading {
    font-family: var(--font-heading);
    letter-spacing: 0.03em;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    color: var(--accent-cyan);
}

/* 按钮规范 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.btn-primary, .btn-hero-primary {
    background: var(--gradient-hero);
    color: #040810;
    font-weight: 800;
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
}

.btn-primary:hover, .btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 245, 160, 0.6);
    color: #040810;
}

.btn-outline {
    background: rgba(14, 22, 38, 0.6);
    border-color: var(--border-card);
    color: var(--text-primary);
    backdrop-filter: blur(8px);
}

.btn-outline:hover {
    border-color: var(--accent-blue);
    background: rgba(0, 210, 255, 0.1);
}

.btn-hero-secondary {
    background: rgba(14, 22, 38, 0.8);
    border: 1px solid var(--border-card-glow);
    color: var(--text-primary);
    padding: 14px 28px;
}

.btn-hero-secondary:hover {
    border-color: var(--accent-cyan);
    background: rgba(0, 245, 160, 0.15);
}

/* 顶部导航 */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(6, 10, 18, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-card);
    height: 70px;
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid var(--border-card-glow);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-blue);
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.logo-badge {
    font-size: 0.7rem;
    background: rgba(0, 245, 160, 0.15);
    color: var(--accent-cyan);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 6px;
}

.nav-status {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(14, 22, 38, 0.7);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--border-card);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.status-indicator.online {
    width: 8px;
    height: 8px;
    background-color: var(--status-online);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--status-online);
}

.hud-item {
    color: var(--text-muted);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    padding-left: 12px;
}

.nav-actions {
    display: flex;
    gap: 12px;
}

/* 核心三栏布局结构 */
.main-wrapper {
    max-width: 1440px;
    margin: 24px auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: var(--sidebar-left-width) 1fr var(--sidebar-right-width);
    gap: 24px;
}

/* 左侧 Sidebar */
.sidebar-left, .sidebar-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-block {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.sidebar-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    opacity: 0.5;
}

.block-title {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 侧边导航 */
.side-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.side-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--text-muted);
    font-weight: 500;
    transition: all 0.2s ease;
}

.side-nav-item .icon {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

.side-nav-item:hover, .side-nav-item.active {
    background: rgba(0, 210, 255, 0.1);
    color: var(--accent-blue);
    border-left: 3px solid var(--accent-blue);
}

/* HUD 卡片 (高度计) */
.hud-card {
    background: radial-gradient(circle at top right, rgba(0,210,255,0.08), transparent), var(--bg-card);
}

.hud-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.hud-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-cyan);
}

.alt-display {
    margin: 14px 0 8px;
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.alt-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 900;
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(0, 210, 255, 0.3);
}

.alt-unit {
    font-family: var(--font-mono);
    color: var(--accent-blue);
    font-size: 0.9rem;
}

.alt-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 12px;
}

.alt-progress {
    height: 100%;
    background: var(--gradient-hero);
    box-shadow: 0 0 8px var(--accent-cyan);
}

.hud-footer {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-dark);
}

/* 中间主内容区 */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Hero Section */
.hero-section {
    background: radial-gradient(ellipse at top center, rgba(0, 210, 255, 0.12) 0%, rgba(14, 22, 38, 0.8) 70%);
    border: 1px solid var(--border-card-glow);
    border-radius: 16px;
    padding: 48px 40px;
    position: relative;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    overflow: hidden;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid rgba(0, 210, 255, 0.3);
    padding: 6px 14px;
    border-radius: 20px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-blue);
    margin-bottom: 24px;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 160, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 245, 160, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 160, 0); }
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 680px;
    margin-bottom: 32px;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.btn-hero-primary {
    padding: 14px 32px;
    font-size: 0.95rem;
}

/* 遥测数据 Grid */
.telemetry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    border-top: 1px solid var(--border-card);
    padding-top: 28px;
}

.tele-card {
    background: rgba(6, 10, 18, 0.5);
    border: 1px solid var(--border-card);
    padding: 16px;
    border-radius: 10px;
}

.tele-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.tele-val {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
}

.tele-val small {
    font-size: 0.75rem;
    color: var(--accent-blue);
}

.tele-desc {
    font-size: 0.7rem;
    color: var(--text-dark);
    margin-top: 4px;
}

/* 核心优势 Grid */
.section-block {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 16px;
    padding: 32px;
}

.section-title-wrap {
    margin-bottom: 24px;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.section-sub {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: rgba(6, 10, 18, 0.6);
    border: 1px solid var(--border-card);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 210, 255, 0.15);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.feature-card h3 {
    font-size: 1.05rem;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* 资讯列表 (中栏) */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.news-item {
    background: rgba(6, 10, 18, 0.4);
    border: 1px solid var(--border-card);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s ease;
}

.news-item:hover {
    border-color: var(--border-card-glow);
    background: rgba(6, 10, 18, 0.7);
}

.news-meta {
    display: flex;
    gap: 12px;
    font-size: 0.75rem;
    margin-bottom: 8px;
}

.news-category {
    color: var(--accent-cyan);
    font-family: var(--font-mono);
}

.news-date {
    color: var(--text-dark);
}

.news-title {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.news-title a {
    color: var(--text-primary);
}

.news-title a:hover {
    color: var(--accent-blue);
}

.news-excerpt {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.news-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-dark);
}

.read-more {
    font-weight: 600;
}

/* 右侧边栏组件 */
.speedometer-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.speed-dial {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    border: 4px solid var(--border-card);
    border-top-color: var(--accent-blue);
    border-right-color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-bottom: 16px;
}

.speed-inner {
    text-align: center;
}

.speed-num {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--accent-cyan);
}

.speed-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.speed-stats {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.8rem;
    border-top: 1px solid var(--border-card);
    padding-top: 12px;
}

.s-stat {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
}

.s-stat strong {
    color: var(--text-primary);
}

/* 推荐列表 */
.recommend-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recommend-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 10px;
    background: rgba(6, 10, 18, 0.4);
    border-radius: 8px;
    border: 1px solid var(--border-card);
}

.rec-tag {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0, 210, 255, 0.15);
    color: var(--accent-blue);
    font-weight: 700;
}

.rec-tag.hot {
    background: rgba(245, 158, 11, 0.2);
    color: var(--status-warning);
}

.rec-info h4 {
    font-size: 0.85rem;
    margin-bottom: 2px;
}

.rec-info p {
    font-size: 0.75rem;
    color: var(--text-dark);
}

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    font-size: 0.75rem;
    padding: 4px 10px;
    background: rgba(6, 10, 18, 0.6);
    border: 1px solid var(--border-card);
    border-radius: 6px;
    color: var(--text-muted);
}

.tag-item:hover, .tag-item.active {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: rgba(0, 210, 255, 0.1);
}

/* 公告卡 */
.notice-card {
    background: radial-gradient(circle at top left, rgba(245, 158, 11, 0.08), transparent), var(--bg-card);
}

.notice-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--status-warning);
    margin-bottom: 8px;
}

.notice-body {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* 顶部紧急通告跑马灯 */
.banner-announcement {
    background: linear-gradient(90deg, rgba(0, 210, 255, 0.2), rgba(0, 245, 160, 0.2));
    border-bottom: 1px solid rgba(0, 210, 255, 0.3);
    padding: 8px 24px;
    font-size: 0.85rem;
}

.banner-container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.banner-tag {
    background: rgba(0, 245, 160, 0.2);
    color: var(--accent-cyan);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.75rem;
}

.banner-text {
    color: var(--text-primary);
    font-weight: 500;
    flex: 1;
}

.banner-link {
    color: var(--accent-blue);
    font-weight: 700;
    text-decoration: underline;
}

/* 顶部导航菜单 */
.top-nav-links {
    display: flex;
    gap: 20px;
}

.top-nav-links a {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
}

.top-nav-links a:hover {
    color: var(--accent-blue);
}

/* 节点延迟表格 (板块 3) */
.nodes-table-wrapper {
    overflow-x: auto;
}

.nodes-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: left;
}

.nodes-table th, .nodes-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-card);
}

.nodes-table th {
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.ping-good {
    color: var(--status-online);
    font-family: var(--font-mono);
    font-weight: 700;
}

.ping-medium {
    color: var(--status-warning);
    font-family: var(--font-mono);
    font-weight: 700;
}

.status-badge {
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
}

.status-badge.online {
    background: rgba(16, 185, 129, 0.15);
    color: var(--status-online);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* 套餐卡片网格 (板块 4) */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.plan-card {
    background: rgba(6, 10, 18, 0.6);
    border: 1px solid var(--border-card);
    border-radius: 14px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.3s ease;
}

.plan-card.popular {
    border-color: var(--accent-cyan);
    background: radial-gradient(circle at top center, rgba(0, 245, 160, 0.1), rgba(14, 22, 38, 0.9));
    transform: translateY(-6px);
    box-shadow: 0 10px 30px rgba(0, 245, 160, 0.2);
}

.plan-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gradient-hero);
    color: #040810;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 10px;
}

.plan-name {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.plan-price {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--accent-blue);
    margin-bottom: 20px;
}

.plan-price small {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.plan-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex: 1;
}

.plan-btn {
    width: 100%;
}

/* 用户评价板块 (板块 6) */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.testimonial-card {
    background: rgba(6, 10, 18, 0.5);
    border: 1px solid var(--border-card);
    border-radius: 12px;
    padding: 20px;
}

.user-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--gradient-hero);
    color: #040810;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.8rem;
}

.user-name {
    font-size: 0.9rem;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.user-comment {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* 知识库 Grid */
.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

/* FAQ 手风琴 (板块 5) */
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: rgba(6, 10, 18, 0.5);
    border: 1px solid var(--border-card);
    border-radius: 10px;
    padding: 16px;
}

.faq-question {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    color: var(--text-primary);
}

.faq-answer {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* 文章详情页专用样式 */
.article-wrapper {
    grid-template-columns: 1fr;
    max-width: 960px;
}

.article-container {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 16px;
    padding: 40px;
}

.article-main-title {
    font-size: 1.8rem;
    margin: 16px 0;
    line-height: 1.3;
}

.article-lead {
    font-size: 1.05rem;
    color: var(--text-muted);
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-card);
    margin-bottom: 32px;
}

.article-body h2 {
    font-size: 1.3rem;
    margin: 28px 0 14px;
    color: var(--accent-cyan);
}

.article-body p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
}

.article-body ul, .article-body ol {
    margin: 0 0 20px 24px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.article-body li {
    margin-bottom: 8px;
}

.article-cta-box {
    background: radial-gradient(circle at center, rgba(0,210,255,0.15), var(--bg-main));
    border: 1px solid var(--border-card-glow);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    margin: 40px 0;
}

.article-cta-box h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.article-cta-box p {
    margin-bottom: 20px;
}

.btn-large {
    padding: 14px 36px;
    font-size: 1rem;
}

.article-footer-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border-card);
}