/* ==========================================================================
   肥猫云官网落地页 - "魔幻天际" (Magical Sky) 视觉设计系统 Style Sheet
   ========================================================================== */

/* 引入 Google 字体 */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
    --bg-dark: #0b071e;
    --bg-card: rgba(20, 15, 38, 0.6);
    --bg-card-hover: rgba(30, 23, 58, 0.8);
    --border-color: rgba(255, 255, 255, 0.12);
    --border-hover: rgba(0, 225, 255, 0.4);
    
    --primary-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --secondary-gradient: linear-gradient(135deg, #f857a6 0%, #ff5858 100%);
    --accent-gradient: linear-gradient(135deg, #00f2fe 0%, #f857a6 100%);
    
    --color-cyan: #00e1ff;
    --color-magenta: #f857a6;
    --color-text-primary: #ffffff;
    --color-text-secondary: #c2bdd8;
    --color-text-muted: #797396;
    
    --font-sans: 'Outfit', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    --neon-glow: 0 0 20px rgba(0, 225, 255, 0.3);
}

/* 重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 242, 254, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(248, 87, 166, 0.08) 0%, transparent 40%);
    background-attachment: fixed;
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
}

a {
    color: var(--color-cyan);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-magenta);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
}

/* 布局版面限制 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 顶部导航 */
header {
    position: absolute; /* 使导航浮在魔幻背景上方 */
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

header .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

.logo-icon {
    font-size: 28px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

nav ul li a {
    color: rgba(255, 255, 255, 0.75);
    font-weight: 500;
}

nav ul li a:hover, nav ul li a.active {
    color: var(--color-text-primary);
    text-shadow: 0 0 10px rgba(0, 225, 255, 0.6);
}

.btn-primary {
    background: var(--primary-gradient);
    color: #ffffff;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 30px;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.35);
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.6);
    color: #ffffff;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* 汉堡包菜单（移动端） */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ==========================================================================
   魔幻天际 Hero 区域 (100vh 垂直连接布局)
   ========================================================================== */
.magic-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 100px 24px;
    background: linear-gradient(to bottom, rgba(11, 7, 30, 0.3), rgba(11, 7, 30, 0.95)), 
                url('../images/magic_sky_bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    text-align: center;
    overflow: hidden;
}

/* 垂直连接器 */
.vertical-connector-top {
    width: 1px;
    height: 90px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.8));
    margin-bottom: 20px;
}

.vertical-connector-middle-1 {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.6);
}

.vertical-connector-middle-2 {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.6);
}

.logo-wrapper {
    position: relative;
    z-index: 5;
}

.magic-logo-svg {
    width: 100px;
    height: 100px;
    filter: drop-shadow(0 0 20px rgba(0, 225, 255, 0.85)) drop-shadow(0 0 5px rgba(0, 225, 255, 0.5));
    transition: var(--transition);
}

.logo-wrapper:hover .magic-logo-svg {
    transform: rotate(360deg) scale(1.1);
    filter: drop-shadow(0 0 35px rgba(0, 225, 255, 1)) drop-shadow(0 0 15px rgba(248, 87, 166, 0.85));
}

/* 水平线条 */
.horizontal-divider {
    width: 90%;
    max-width: 950px;
    border: none;
    height: 1px;
    background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.55) 50%, rgba(255, 255, 255, 0) 100%);
    margin: 0;
}

.hero-title-container {
    padding: 35px 20px;
    max-width: 950px;
}

.hero-title-container h1 {
    font-size: 38px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 2px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
    margin-bottom: 16px;
    line-height: 1.3;
}

.hero-title-container p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    text-shadow: 0 1px 12px rgba(0, 0, 0, 0.8);
    letter-spacing: 1px;
}

/* 连贯边框按钮栏 */
.hero-nav-bar {
    display: flex;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 4px;
    overflow: hidden;
    width: 90%;
    max-width: 950px;
    margin: 30px auto 0 auto;
    backdrop-filter: blur(12px);
    background: rgba(11, 7, 30, 0.35);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.hero-nav-bar a {
    flex: 1;
    color: rgba(255, 255, 255, 0.85);
    text-align: center;
    padding: 15px 10px;
    font-size: 14px;
    font-weight: 600;
    border-right: 1px solid rgba(255, 255, 255, 0.35);
    transition: var(--transition);
    white-space: nowrap;
    text-shadow: 0 1px 5px rgba(0,0,0,0.5);
}

.hero-nav-bar a:last-child {
    border-right: none;
}

.hero-nav-bar a:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

/* 滚动指示 */
.scroll-indicator {
    margin-top: 60px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    letter-spacing: 2px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: bounce 2s infinite;
}

.arrow-down {
    font-size: 18px;
    color: var(--color-cyan);
    text-shadow: 0 0 8px var(--color-cyan);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* 分割线和区块标题 */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-header h2 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.section-header h2 span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

.section-header p {
    color: var(--color-text-secondary);
    font-size: 16px;
}

/* ==========================================================================
   新的交错展示与对比排版 (Staggered Showcase & Comparison Layout)
   ========================================================================== */

/* 优势交错展示区 */
.showcase-container {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.showcase-row {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 20px;
}

.showcase-row:nth-child(even) {
    flex-direction: row-reverse;
}

.showcase-text {
    flex: 1.2;
}

.showcase-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: 1px;
}

.showcase-text h3 span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.showcase-text p {
    color: var(--color-text-secondary);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.showcase-visual {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.showcase-visual:hover {
    border-color: var(--border-hover);
    box-shadow: 0 15px 35px rgba(0, 225, 255, 0.1);
}

/* CSS 延迟测速可视化 */
.delay-chart {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.chart-bar-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chart-label {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    font-weight: 600;
}

.chart-label .label-name {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-bar-wrapper {
    background: rgba(255, 255, 255, 0.05);
    height: 14px;
    border-radius: 7px;
    overflow: hidden;
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.chart-bar {
    height: 100%;
    border-radius: 7px;
    transition: width 1s ease-in-out;
}

.chart-bar.fast {
    width: 25%;
    background: var(--primary-gradient);
    box-shadow: 0 0 12px rgba(0, 225, 255, 0.6);
}

.chart-bar.slow {
    width: 90%;
    background: var(--secondary-gradient);
    box-shadow: 0 0 12px rgba(248, 87, 166, 0.6);
}

/* 解锁图标网格 */
.unlock-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    width: 100%;
}

.unlock-badge {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px 10px;
    text-align: center;
    font-weight: 700;
    font-size: 14px;
    transition: var(--transition);
    color: var(--color-text-secondary);
}

.unlock-badge:hover {
    border-color: var(--color-cyan);
    background: rgba(0, 225, 255, 0.08);
    transform: translateY(-3px);
    color: #ffffff;
    box-shadow: 0 5px 15px rgba(0, 225, 255, 0.15);
}

/* 盾牌浮动动效 */
.shield-container svg {
    filter: drop-shadow(0 0 20px rgba(0, 225, 255, 0.6));
    animation: shieldFloat 4s ease-in-out infinite;
}

@keyframes shieldFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(2deg); }
}

/* ==========================================================================
   新的水平胶囊订阅套餐排版 (Horizontal Capsule Pricing Row Layout)
   ========================================================================== */
.pricing-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 60px;
}

.pricing-row-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 28px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.pricing-row-card:hover {
    transform: translateX(8px);
    border-color: var(--border-hover);
    box-shadow: 0 10px 25px rgba(0, 225, 255, 0.15);
    background: var(--bg-card-hover);
}

.pricing-row-card.featured {
    border: 2px solid transparent;
    background-image: linear-gradient(var(--bg-dark), var(--bg-dark)), var(--accent-gradient);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    box-shadow: 0 10px 30px rgba(0, 225, 255, 0.2);
}

.pricing-row-card.featured .pricing-badge {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--accent-gradient);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 14px;
    border-bottom-right-radius: 12px;
    box-shadow: 0 2px 10px rgba(248, 87, 166, 0.4);
}

.pricing-info {
    flex: 2;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pricing-info h3 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.pricing-info p {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.pricing-mid-features {
    flex: 3;
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    padding: 0 20px;
}

.pricing-mid-features span {
    font-size: 14px;
    color: var(--color-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.pricing-mid-features span::before {
    content: "✦";
    color: var(--color-cyan);
    text-shadow: 0 0 6px var(--color-cyan);
}

.pricing-row-card.featured .pricing-mid-features span::before {
    color: var(--color-magenta);
    text-shadow: 0 0 6px var(--color-magenta);
}

.pricing-cost {
    flex: 1.5;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding-right: 40px;
}

.pricing-cost-val {
    font-size: 36px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pricing-row-card.featured .pricing-cost-val {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pricing-cost-sub {
    font-size: 12px;
    color: var(--color-text-muted);
}

.pricing-action {
    flex: 1.5;
    text-align: right;
}

.pricing-action .btn-primary, .pricing-action .btn-secondary {
    width: 100%;
    justify-content: center;
    white-space: nowrap;
}

/* ==========================================================================
   全维度服务对比表格 (Comparison Table)
   ========================================================================== */
.comparison-table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    margin-top: 80px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.comparison-table th, .comparison-table td {
    padding: 22px 28px;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background: rgba(255, 255, 255, 0.02);
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.5px;
}

.comparison-table td {
    font-size: 15px;
    color: var(--color-text-secondary);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:hover td {
    background: rgba(255, 255, 255, 0.01);
}

.comparison-table td:nth-child(2) {
    color: #ffffff;
    font-weight: 600;
}

.comparison-table td.check-yes {
    color: var(--color-cyan);
    font-weight: 600;
}

.comparison-table td.check-no {
    color: var(--color-text-muted);
}

/* 常见问题 (FAQ) */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-list details {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px 24px;
    transition: var(--transition);
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.faq-list details[open] {
    border-color: var(--border-hover);
    box-shadow: 0 4px 20px rgba(0, 225, 255, 0.1);
    background: var(--bg-card-hover);
}

.faq-list summary {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    outline: none;
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list summary::after {
    content: "+";
    font-size: 24px;
    color: var(--color-cyan);
    transition: var(--transition);
}

.faq-list details[open] summary::after {
    content: "−";
    transform: rotate(180deg);
    color: var(--color-magenta);
}

.faq-list p {
    margin-top: 16px;
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* 用户评价 (Reviews) */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 30px;
    position: relative;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.review-stars {
    color: #ffb800;
    margin-bottom: 16px;
    font-size: 14px;
}

.review-content {
    color: var(--color-text-secondary);
    font-size: 15px;
    margin-bottom: 24px;
    line-height: 1.7;
}

.review-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #ffffff;
    box-shadow: 0 0 10px rgba(0, 225, 255, 0.4);
}

.user-info h4 {
    font-size: 16px;
    font-weight: 600;
}

.user-info p {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* 文章推荐区 (Blog Section in index) */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.article-thumb {
    height: 200px;
    background: linear-gradient(135deg, rgba(20, 15, 38, 0.8) 0%, rgba(11, 7, 30, 0.95) 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
}

.article-thumb::after {
    content: "肥猫云加速";
    font-size: 22px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.75;
}

.article-card.ac-2 .article-thumb::after { content: "科学上网"; background: var(--secondary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;}
.article-card.ac-3 .article-thumb::after { content: "全球加速"; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;}
.article-card.ac-4 .article-thumb::after { content: "Clash 节点"; background: var(--primary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;}
.article-card.ac-5 .article-thumb::after { content: "稳定专线"; background: var(--secondary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;}
.article-card.ac-6 .article-thumb::after { content: "外贸出海"; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;}

.article-body {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.article-meta {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 12px;
    display: flex;
    gap: 16px;
}

.article-body h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 14px;
    line-height: 1.4;
    color: var(--color-text-primary);
}

.article-body p {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-body .read-more {
    margin-top: auto;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-cyan);
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-body .read-more:hover {
    color: var(--color-magenta);
}

/* 页脚 (Footer) */
footer {
    background: #060410;
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo-desc p {
    color: var(--color-text-secondary);
    margin-top: 16px;
    max-width: 320px;
    font-size: 14px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--color-text-primary);
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-col ul li a {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.footer-col ul li a:hover {
    color: var(--color-cyan);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-muted);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--color-text-muted);
}

.footer-links a:hover {
    color: var(--color-cyan);
}

/* ==========================================================================
   文章详情页特殊样式 (Article Page)
   ========================================================================== */
.article-header {
    padding: 140px 0 40px 0; /* 加大顶部间距以让出浮动导航栏 */
}

.article-breadcrumbs {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.article-breadcrumbs a {
    color: var(--color-text-secondary);
}

.article-title {
    font-size: 42px;
    line-height: 1.25;
    margin-bottom: 24px;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.article-layout {
    display: grid;
    grid-template-columns: 8fr 4fr;
    gap: 40px;
    margin-bottom: 80px;
}

.article-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    backdrop-filter: blur(10px);
}

.article-content p {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.article-content h2 {
    font-size: 26px;
    font-weight: 700;
    margin: 40px 0 20px 0;
    color: var(--color-text-primary);
    border-left: 4px solid var(--color-cyan);
    padding-left: 16px;
    text-shadow: 0 0 10px rgba(0, 225, 255, 0.2);
}

.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 30px 0 16px 0;
    color: var(--color-text-primary);
}

.article-content ul, .article-content ol {
    margin-bottom: 24px;
    padding-left: 24px;
    color: var(--color-text-secondary);
}

.article-content li {
    margin-bottom: 10px;
}

.article-content strong {
    color: var(--color-text-primary);
}

/* 文章内的卡片推荐 / 警告框 */
.article-callout {
    background: rgba(0, 225, 255, 0.08);
    border-left: 4px solid var(--color-cyan);
    padding: 20px;
    border-radius: 8px;
    margin: 30px 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.article-callout.tip {
    background: rgba(248, 87, 166, 0.08);
    border-left-color: var(--color-magenta);
}

.article-callout-title {
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 8px;
    font-size: 16px;
}

.article-callout p {
    margin-bottom: 0;
    font-size: 14px;
}

/* 侧边栏 */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-widget {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 30px;
    backdrop-filter: blur(10px);
}

.sidebar-widget h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.cta-widget {
    background: linear-gradient(135deg, rgba(20, 15, 38, 0.9) 0%, rgba(11, 7, 30, 0.95) 100%);
    border: 2px solid transparent;
    background-image: linear-gradient(var(--bg-dark), var(--bg-dark)), var(--accent-gradient);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.cta-widget .logo {
    justify-content: center;
    margin-bottom: 16px;
}

.cta-widget p {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

.sidebar-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sidebar-links li a {
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: var(--color-text-secondary);
}

.sidebar-links li a span.link-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    transition: var(--transition);
}

.sidebar-links li a:hover span.link-title {
    color: var(--color-cyan);
}

.sidebar-links li a span.link-date {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ==========================================================================
   媒体查询 (Media Queries - 移动端适配)
   ========================================================================== */

@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 768px) {
    /* 导航栏折叠 */
    nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-dark);
        transition: var(--transition);
        z-index: 999;
        border-top: 1px solid var(--border-color);
    }
    
    nav.active {
        left: 0;
    }
    
    nav ul {
        flex-direction: column;
        padding: 40px 24px;
        gap: 24px;
        align-items: stretch;
    }
    
    nav ul li a {
        font-size: 18px;
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6.5px);
    }

    /* Hero */
    .magic-hero {
        padding: 120px 16px 80px 16px;
    }
    
    .vertical-connector-top {
        height: 60px;
    }
    
    .vertical-connector-middle-1, .vertical-connector-middle-2 {
        height: 35px;
    }
    
    .magic-logo {
        width: 90px;
        height: 90px;
    }

    .hero-title-container h1 {
        font-size: 24px;
        letter-spacing: 1px;
    }
    
    .hero-title-container p {
        font-size: 14px;
    }
    
    /* 按钮栏自适应折叠为多行，移除连贯边框以保证阅读 */
    .hero-nav-bar {
        flex-direction: column;
        border-radius: 8px;
    }
    
    .hero-nav-bar a {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        padding: 14px;
    }
    
    .hero-nav-bar a:last-child {
        border-bottom: none;
    }
    
    /* 栅格布局调整为单列 */
    .features-grid, .reviews-grid, .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 30px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    /* 文章详情页 */
    .article-layout {
        grid-template-columns: 1fr;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .article-content {
        padding: 24px 20px;
    }
}