/* ==========================================================================
   良心云 2026 官方发布页 & 节点公测实验室 - 极客黑金流光设计系统 (Cyber Obsidian Gold)
   ========================================================================== */

:root {
    --bg-dark: #070709;
    --bg-card: #0f1015;
    --bg-card-hover: #16171e;
    --bg-input: #12131a;
    
    --gold-primary: #f59e0b;
    --gold-secondary: #eab308;
    --gold-light: #fef3c7;
    --gold-dark: #b45309;
    
    --gold-gradient: linear-gradient(135deg, #f59e0b 0%, #fbbf24 50%, #d97706 100%);
    --gold-gradient-hover: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #b45309 100%);
    --border-gold-glow: rgba(245, 158, 11, 0.25);
    --gold-shadow: 0 10px 30px -10px rgba(245, 158, 11, 0.35);

    --text-pure: #ffffff;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --border-color: rgba(255, 255, 255, 0.08);
    --border-gold: rgba(245, 158, 11, 0.3);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* 背景粒子与极客微光 */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(245, 158, 11, 0.06) 0%, transparent 45%),
        radial-gradient(circle at 85% 65%, rgba(217, 119, 6, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 50% 90%, rgba(234, 179, 8, 0.03) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
}

/* 顶部通知条 */
.top-announcement {
    background: linear-gradient(90deg, #18140c 0%, #2a1f0a 50%, #18140c 100%);
    border-bottom: 1px solid rgba(245, 158, 11, 0.2);
    padding: 8px 16px;
    text-align: center;
    font-size: 13px;
    color: var(--gold-light);
    position: relative;
    z-index: 100;
}
.top-announcement a {
    color: var(--gold-secondary);
    font-weight: 600;
    text-decoration: underline;
    margin-left: 8px;
}

/* 容器通用 */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* 导航栏 */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(7, 7, 9, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 99;
    padding: 16px 0;
}
.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-pure);
    font-weight: 800;
    font-size: 20px;
    letter-spacing: -0.5px;
}
.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gold-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.5);
    color: #070709;
    font-weight: 900;
    font-size: 18px;
}
.brand-text span {
    color: var(--gold-primary);
}
.badge-year {
    font-size: 10px;
    background: rgba(245, 158, 11, 0.15);
    color: var(--gold-primary);
    border: 1px solid var(--border-gold);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 6px;
    font-family: var(--font-mono);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}
.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-links a:hover {
    color: var(--gold-primary);
}

/* 顶部导航栏深度专栏下拉菜单 */
.nav-dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
}
.nav-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}
.dropdown-arrow {
    transition: transform 0.25s ease;
    color: var(--gold-primary);
}
.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(14px);
    width: 330px;
    background: rgba(14, 15, 20, 0.98);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-md);
    padding: 8px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.85), 0 0 25px rgba(245, 158, 11, 0.2);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1000;
    text-align: left;
}
.dropdown-menu::before {
    content: "";
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
}
.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(6px);
}
.dropdown-item {
    display: block;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    text-decoration: none !important;
    transition: background 0.2s, transform 0.15s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.dropdown-item:last-child {
    border-bottom: none;
}
.dropdown-item:hover {
    background: rgba(245, 158, 11, 0.12);
    transform: translateX(3px);
}
.dropdown-tag {
    font-size: 11px;
    color: var(--gold-primary);
    font-family: var(--font-mono);
    display: block;
    margin-bottom: 2px;
    font-weight: 700;
}
.dropdown-title {
    font-size: 13px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.4;
}
.dropdown-desc {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
    line-height: 1.3;
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gold-gradient);
    color: #070709 !important;
    font-weight: 700 !important;
    font-size: 13px !important;
    padding: 9px 20px;
    border-radius: 9999px;
    box-shadow: var(--gold-shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px -5px rgba(245, 158, 11, 0.5);
}

/* 按钮通用 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    font-size: 15px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s ease;
    border: none;
}
.btn-gold {
    background: var(--gold-gradient);
    color: #070709;
    box-shadow: var(--gold-shadow);
}
.btn-gold:hover {
    background: var(--gold-gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 40px -8px rgba(245, 158, 11, 0.6);
}
.btn-outline {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-outline:hover {
    border-color: var(--gold-primary);
    background: rgba(245, 158, 11, 0.08);
    color: var(--gold-primary);
    transform: translateY(-2px);
}

/* 首屏 HERO 区域 */
.hero-section {
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
}
.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid var(--border-gold);
    border-radius: 9999px;
    font-size: 13px;
    color: var(--gold-primary);
    margin-bottom: 24px;
    font-family: var(--font-mono);
}
.pill-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10b981;
    animation: pulseGlow 2s infinite;
}
.hero-title {
    font-size: clamp(34px, 5.5vw, 56px);
    font-weight: 900;
    line-height: 1.18;
    color: var(--text-pure);
    margin-bottom: 24px;
    letter-spacing: -1px;
}
.hero-title .gradient-text {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-desc {
    max-width: 780px;
    margin: 0 auto 36px;
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.8;
}
.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

/* 核心指标统计 */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1040px;
    margin: 0 auto;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}
.stat-box {
    background: rgba(18, 19, 26, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    transition: transform 0.2s, border-color 0.2s;
}
.stat-box:hover {
    border-color: var(--border-gold);
    transform: translateY(-3px);
}
.stat-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--gold-primary);
    font-family: var(--font-mono);
    margin-bottom: 4px;
}
.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 板块通用头部 */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: var(--gold-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}
.section-title {
    font-size: clamp(26px, 3.5vw, 36px);
    font-weight: 800;
    color: var(--text-pure);
    margin-bottom: 14px;
}
.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 660px;
    margin: 0 auto;
}

/* 全节点公测实验室 */
.labs-section {
    padding: 70px 0;
}
.lab-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
}
.lab-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gold-gradient);
}
.lab-table-wrap {
    overflow-x: auto;
}
.lab-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}
.lab-table th {
    padding: 14px 18px;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}
.lab-table td {
    padding: 16px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    vertical-align: middle;
}
.lab-table tr:hover {
    background: rgba(245, 158, 11, 0.03);
}
.node-info {
    display: flex;
    align-items: center;
    gap: 12px;
}
.node-flag {
    font-size: 20px;
}
.node-name {
    font-weight: 700;
    color: var(--text-pure);
}
.node-type {
    font-size: 11px;
    color: var(--gold-primary);
    background: rgba(245, 158, 11, 0.12);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
}
.ping-val {
    font-family: var(--font-mono);
    font-weight: 700;
    color: #10b981;
}
.tag-unlock {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
    margin-right: 4px;
}

/* 优惠码领取板块 */
.coupon-box {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(18, 19, 26, 0.95) 100%);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-lg);
    padding: 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    margin: 40px 0 70px;
    position: relative;
    overflow: hidden;
}
.coupon-left h3 {
    font-size: 22px;
    color: var(--text-pure);
    margin-bottom: 8px;
}
.coupon-left p {
    color: var(--text-secondary);
    font-size: 14px;
}
.coupon-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.coupon-code-card {
    background: #000000;
    border: 1px dashed var(--gold-primary);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 800;
    color: var(--gold-primary);
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s;
}
.coupon-code-card:hover {
    background: rgba(245, 158, 11, 0.15);
}

/* 套餐价格区域 */
.pricing-section {
    padding: 60px 0;
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: stretch;
}
.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s ease;
    position: relative;
}
.pricing-card:hover {
    border-color: rgba(245, 158, 11, 0.4);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

/* 黄金推荐款高亮 (企业级 IEPL 专线) */
.pricing-card.featured {
    background: linear-gradient(180deg, rgba(30, 24, 12, 0.8) 0%, rgba(15, 16, 21, 0.98) 100%);
    border: 2px solid var(--gold-primary);
    box-shadow: 0 0 35px rgba(245, 158, 11, 0.2);
    transform: scale(1.03);
}
.pricing-card.featured:hover {
    transform: scale(1.03) translateY(-6px);
    box-shadow: 0 20px 50px rgba(245, 158, 11, 0.35);
}
.featured-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gold-gradient);
    color: #070709;
    font-size: 12px;
    font-weight: 800;
    padding: 4px 16px;
    border-radius: 9999px;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.plan-header {
    margin-bottom: 24px;
}
.plan-name {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-pure);
    margin-bottom: 8px;
}
.plan-subtitle {
    font-size: 13px;
    color: var(--text-muted);
}
.plan-price-wrap {
    margin: 20px 0;
}
.plan-currency {
    font-size: 20px;
    font-weight: 700;
    color: var(--gold-primary);
}
.plan-price {
    font-size: 44px;
    font-weight: 900;
    color: var(--text-pure);
    font-family: var(--font-mono);
}
.plan-period {
    font-size: 13px;
    color: var(--text-muted);
}

.plan-features {
    list-style: none;
    margin: 24px 0 32px;
    flex-grow: 1;
}
.plan-features li {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.plan-features li svg {
    color: var(--gold-primary);
    flex-shrink: 0;
}
.plan-features li strong {
    color: var(--text-pure);
}

/* 避坑横评板块 */
.compare-section {
    padding: 70px 0;
}
.compare-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    overflow-x: auto;
}
.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    text-align: left;
}
.compare-table th {
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-primary);
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
}
.compare-table td {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.highlight-col {
    background: rgba(245, 158, 11, 0.04);
    color: var(--gold-light);
    font-weight: 600;
}

/* 文章评测专栏矩阵 (Hub-and-Spoke) */
.articles-section {
    padding: 70px 0;
}
.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.25s ease;
}
.article-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-4px);
    background: var(--bg-card-hover);
}
.article-tag {
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--gold-primary);
    margin-bottom: 12px;
    display: inline-block;
}
.article-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-pure);
    margin-bottom: 10px;
    line-height: 1.4;
}
.article-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}
.article-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}
.read-more {
    color: var(--gold-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* FAQ 板块 */
.faq-section {
    padding: 60px 0 90px;
}
.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.2s;
}
.faq-item:hover {
    border-color: var(--border-gold);
}
.faq-question {
    padding: 20px 24px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: none;
    border: none;
    color: var(--text-pure);
    font-size: 16px;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
}
.faq-icon {
    font-size: 20px;
    color: var(--gold-primary);
    transition: transform 0.2s;
}
.faq-item.active .faq-icon {
    transform: rotate(45deg);
}
.faq-answer {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    display: none;
}
.faq-item.active .faq-answer {
    display: block;
}

/* 底部 Footer */
.footer {
    background: #040405;
    border-top: 1px solid var(--border-color);
    padding: 50px 0 30px;
    color: var(--text-muted);
    font-size: 13px;
}
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand h4 {
    color: var(--text-pure);
    font-size: 18px;
    margin-bottom: 12px;
}
.footer-brand p {
    max-width: 420px;
    line-height: 1.7;
}
.footer-links h5 {
    color: var(--text-pure);
    font-size: 14px;
    margin-bottom: 16px;
}
.footer-links ul {
    list-style: none;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}
.footer-links a:hover {
    color: var(--gold-primary);
}
.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

/* 浮动 CTA 栏（移动端/桌面右下角快速唤醒） */
.floating-cta {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 90;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
    border-radius: 9999px;
}

/* 文章内页专用排版 */
.article-header {
    padding: 60px 0 30px;
    text-align: center;
}
.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
}
.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
}
.breadcrumb a:hover {
    color: var(--gold-primary);
}
.article-post-title {
    font-size: clamp(26px, 4vw, 40px);
    font-weight: 900;
    color: var(--text-pure);
    line-height: 1.3;
    max-width: 900px;
    margin: 0 auto 16px;
}
.article-post-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.article-container {
    max-width: 860px;
    margin: 0 auto;
    padding: 20px 24px 80px;
}
.article-body {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 44px;
    font-size: 15px;
    line-height: 1.85;
    color: #d1d5db;
}
.article-body h2 {
    font-size: 22px;
    color: var(--text-pure);
    margin: 36px 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}
.article-body h3 {
    font-size: 18px;
    color: var(--gold-light);
    margin: 26px 0 12px;
}
.article-body p {
    margin-bottom: 18px;
}
.article-body ul, .article-body ol {
    margin: 16px 0 24px 24px;
}
.article-body li {
    margin-bottom: 8px;
}
.article-body blockquote {
    border-left: 3px solid var(--gold-primary);
    padding: 12px 20px;
    background: rgba(245, 158, 11, 0.05);
    margin: 24px 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--gold-light);
}
.article-body code {
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    color: var(--gold-secondary);
    font-size: 13px;
}
.article-body pre {
    background: #000000;
    border: 1px solid var(--border-color);
    padding: 18px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 20px 0;
}
.article-body pre code {
    background: none;
    padding: 0;
    color: #e5e7eb;
}

.article-cta-box {
    margin: 40px 0 20px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(18, 19, 26, 0.9) 100%);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-md);
    padding: 28px;
    text-align: center;
}
.article-cta-box h3 {
    font-size: 20px;
    color: #fff;
    margin-bottom: 10px;
}

/* 动效 */
@keyframes pulseGlow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.9); }
}

/* 移动端适配 */
@media (max-width: 992px) {
    .pricing-grid { grid-template-columns: 1fr; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .articles-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; }
    .coupon-box { flex-direction: column; text-align: center; }
    .pricing-card.featured { transform: none; }
    .pricing-card.featured:hover { transform: translateY(-6px); }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-section { padding: 50px 0 40px; }
    .article-body { padding: 24px 18px; }
}