/* ==========================================================================
   狗子云 GouZiYun - 核心设计系统与样式表 (index.css)
   ========================================================================== */

/* 引入 Google 字体：Fredoka (可爱圆润) & Inter (高科技质感) */
@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@300..700&family=Inter:wght@300;400;600;800&display=swap');

:root {
    --font-cute: 'Fredoka', 'System-UI', sans-serif;
    --font-tech: 'Inter', sans-serif;
    
    /* 颜色系统 */
    --color-bg-deep: #05070f;
    --color-bg-card: rgba(10, 15, 30, 0.75);
    --color-bg-card-hover: rgba(18, 26, 50, 0.9);
    --color-text-pri: #ffffff;
    --color-text-sec: #94a3b8;
    
    /* 渐变色 */
    --grad-doge: linear-gradient(135deg, #ffb300 0%, #ff5e62 100%);
    --grad-tech: linear-gradient(135deg, #35ebff 0%, #0072ff 100%);
    --grad-border: linear-gradient(135deg, rgba(255, 179, 0, 0.3) 0%, rgba(53, 235, 255, 0.3) 100%);
    --grad-border-hover: linear-gradient(135deg, #ffb300 0%, #35ebff 100%);
    
    /* 阴影与特效 */
    --glow-doge: 0 0 25px rgba(255, 179, 0, 0.25);
    --glow-tech: 0 0 25px rgba(53, 235, 255, 0.3);
    --blur-glass: blur(16px);
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础重置 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(53, 235, 255, 0.2) transparent;
}

body {
    background-color: var(--color-bg-deep);
    color: var(--color-text-pri);
    font-family: var(--font-tech);
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
}

/* 隐藏系统默认鼠标，使用自定义尾翼（在非触摸设备上生效） */
@media (pointer: fine) {
    body.custom-cursor-active {
        cursor: none;
    }
    body.custom-cursor-active a, 
    body.custom-cursor-active button,
    body.custom-cursor-active .clickable {
        cursor: none;
    }
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(53, 235, 255, 0.15);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(53, 235, 255, 0.4);
}

/* 动态背景 Canvas */
#dog-bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

/* 鼠标足迹尾翼 */
.mouse-trail-paw {
    position: absolute;
    width: 24px;
    height: 24px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffb300'><path d='M12 14c-1.66 0-3 1.34-3 3 0 2 2 3.5 3 4.5 1-1 3-2.5 3-4.5 0-1.66-1.34-3-3-3zm-4.5-3c-1.1 0-2 .9-2 2s1.5 2 2 3c.5-1 2-1.9 2-3s-.9-2-2-2zm9 0c-1.1 0-2 .9-2 2s1.5 2 2 3c.5-1 2-1.9 2-3s-.9-2-2-2zm-9-4c-.83 0-1.5.67-1.5 1.5S7.17 10 8 10c1 0 1.5-.67 1.5-1.5S8.83 7 8 7zm9 0c-.83 0-1.5.67-1.5 1.5S16.17 10 17 10c1 0 1.5-.67 1.5-1.5S17.83 7 17 7z'/></svg>");
    background-size: contain;
    background-repeat: no-repeat;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.8;
    z-index: 9999;
    animation: fadeScaleOut 0.8s forwards;
}

@keyframes fadeScaleOut {
    0% {
        transform: translate(-50%, -50%) scale(1) rotate(0deg);
        opacity: 0.8;
    }
    100% {
        transform: translate(-50%, -50%) scale(0.3) rotate(30deg);
        opacity: 0;
    }
}

/* 自定义随动光斑（鼠标） */
.custom-cursor-dot {
    position: fixed;
    width: 8px;
    height: 8px;
    background: #ffb300;
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background 0.2s;
    box-shadow: 0 0 10px #ffb300;
}
.custom-cursor-dot.hover {
    width: 24px;
    height: 24px;
    background: rgba(53, 235, 255, 0.4);
    box-shadow: 0 0 15px rgba(53, 235, 255, 0.8);
    border: 1px solid #35ebff;
}

/* 玻璃拟态容器基础 */
.glass-panel {
    background: var(--color-bg-card);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: var(--transition-smooth);
}
.glass-panel:hover {
    border-color: rgba(53, 235, 255, 0.15);
    background: var(--color-bg-card-hover);
    box-shadow: 0 12px 40px 0 rgba(53, 235, 255, 0.08);
}

/* 可爱渐变文本样式 */
.cute-gradient-text {
    font-family: var(--font-cute);
    background: var(--grad-doge);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.tech-gradient-text {
    background: var(--grad-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 600;
}

/* 布局结构 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
header {
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(5, 7, 15, 0.75);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(53, 235, 255, 0.2);
    overflow: hidden;
    position: relative;
    box-shadow: var(--glow-tech);
}

.logo-img-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transform: skewX(-25deg);
    animation: shine 4s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    20% { left: 150%; }
    100% { left: 150%; }
}

.logo-img-wrapper img {
    width: 85%;
    height: 85%;
    object-fit: contain;
}

.brand-name {
    font-size: 24px;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-link {
    color: var(--color-text-sec);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: #ffb300;
    text-shadow: 0 0 8px rgba(255,179,0,0.4);
}

.btn-primary {
    background: var(--grad-doge);
    color: #fff;
    padding: 10px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-family: var(--font-cute);
    border: none;
    box-shadow: var(--glow-doge);
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(255, 94, 98, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 10px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    background: rgba(53, 235, 255, 0.1);
    border-color: #35ebff;
    box-shadow: var(--glow-tech);
    transform: translateY(-2px);
}

/* ==========================================================================
   Hero Section (H1)
   ========================================================================== */
.hero {
    padding: 100px 0 60px 0;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}

.hero-left h1 {
    font-size: 54px;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-desc {
    font-size: 18px;
    color: var(--color-text-sec);
    margin-bottom: 36px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* 右侧解锁与节点面板 */
.hero-right-panel {
    padding: 30px;
    border-radius: 24px;
    border: 1px solid rgba(53, 235, 255, 0.15);
    background: linear-gradient(135deg, rgba(13, 20, 38, 0.8) 0%, rgba(6, 9, 19, 0.9) 100%);
    box-shadow: var(--glow-tech);
    position: relative;
    overflow: hidden;
}

.hero-right-panel::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(53, 235, 255, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.panel-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #35ebff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.unlock-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.tag {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.tag:hover {
    background: rgba(53, 235, 255, 0.08);
    border-color: rgba(53, 235, 255, 0.3);
    transform: translateY(-2px);
}

.tag.netflix::before { content: '🎬'; }
.tag.ai::before { content: '🤖'; }
.tag.social::before { content: '💬'; }
.tag.global::before { content: '🌍'; }
.tag.speed::before { content: '⚡'; }

.node-list-preview {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 20px;
}

.node-list-title {
    font-size: 14px;
    color: var(--color-text-sec);
    margin-bottom: 12px;
}

.nodes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.node-dot {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 6px;
    border-radius: 8px;
    text-align: center;
    font-size: 11px;
    color: var(--color-text-sec);
}

/* ==========================================================================
   图1更换模板: H2 科技控制中心文章阅读器 (Tech Blade Controller & Active Reader Screen)
   ========================================================================== */
.articles-section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 38px;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--color-text-sec);
}

.tech-scroll-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 30px;
    height: 660px;
    background: rgba(8, 12, 28, 0.6);
    border: 1px solid rgba(53, 235, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border-radius: 24px;
    overflow: hidden;
    padding: 24px;
}

/* 侧边刀片服务器式选择卡 */
.tech-sidebar {
    display: flex;
    flex-direction: column;
    gap: 14px;
    height: 100%;
    overflow-y: auto;
    padding-right: 8px;
}

.sidebar-item {
    position: relative;
    padding: 16px 20px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(16, 22, 46, 0.6) 0%, rgba(26, 36, 72, 0.4) 100%);
    border: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--color-text-sec);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    text-align: left;
}

.sidebar-item .num {
    font-family: var(--font-cute);
    color: rgba(255, 255, 255, 0.3);
    font-weight: 700;
    font-size: 18px;
    line-height: 1;
    transition: var(--transition-fast);
}

.sidebar-item .title-text {
    font-weight: 600;
    line-height: 1.4;
    transition: var(--transition-fast);
}

/* 左侧状态闪烁指示灯 */
.sidebar-item::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0%;
    background: #ffb300;
    border-radius: 2px;
    transition: height 0.3s ease;
}

/* 激活状态 */
.sidebar-item.active {
    background: linear-gradient(135deg, rgba(53, 235, 255, 0.1) 0%, rgba(0, 114, 255, 0.05) 100%);
    border-color: rgba(53, 235, 255, 0.4);
    color: #fff;
    box-shadow: 0 8px 24px rgba(53, 235, 255, 0.08);
}

.sidebar-item.active::before {
    height: 60%;
    background: #35ebff;
    box-shadow: 0 0 10px #35ebff;
}

.sidebar-item.active .num {
    color: #35ebff;
    text-shadow: 0 0 10px rgba(53, 235, 255, 0.5);
}

.sidebar-item:hover:not(.active) {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
    color: #fff;
}

/* 右侧集中阅读终端大屏 */
.tech-articles-container {
    height: 100%;
    overflow: hidden;
    position: relative;
    border-radius: 16px;
    background: rgba(5, 8, 20, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.03);
}

/* 文章切换卡 */
.article-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 36px 40px;
    opacity: 0;
    transform: translateX(30px);
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s ease;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.article-card.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
    position: relative;
}

/* 终端顶部状态栏 */
.terminal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(53, 235, 255, 0.15);
    padding-bottom: 18px;
    margin-bottom: 24px;
}

.terminal-title-group h3 {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 6px;
    color: #fff;
}

.terminal-status-bar {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--color-text-sec);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 230, 118, 0.1);
    color: #00e676;
    padding: 2px 10px;
    border-radius: 20px;
    border: 1px solid rgba(0, 230, 118, 0.2);
    font-family: var(--font-cute);
}

.article-content {
    font-size: 15px;
    color: #cbd5e0;
    line-height: 1.8;
    flex-grow: 1;
}

.article-content p {
    margin-bottom: 18px;
}

/* 点击可直接跳转至其他文章的高亮内链 */
.article-jump {
    color: #35ebff;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px dashed rgba(53, 235, 255, 0.6);
    padding: 0 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.article-jump:hover {
    color: #ffb300;
    border-bottom-color: #ffb300;
    background: rgba(255, 179, 0, 0.08);
    border-radius: 4px;
    text-shadow: 0 0 8px rgba(255,179,0,0.3);
}

.article-content ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

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

/* 阅读器底部导航 */
.reader-nav-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.reader-nav-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-text-sec);
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.reader-nav-btn:hover {
    border-color: #35ebff;
    color: #fff;
    background: rgba(53, 235, 255, 0.05);
}

/* ==========================================================================
   H3 套餐内容动态滑动卡片 (Sliding Price Cards)
   ========================================================================== */
.pricing-section {
    padding: 80px 0;
    position: relative;
}

.pricing-wrapper {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding: 20px 10px 40px 10px;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.pricing-card {
    flex: 0 0 320px;
    scroll-snap-align: start;
    padding: 36px 28px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(13, 20, 38, 0.6);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.pricing-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: rgba(22, 33, 62, 0.85);
    border-color: rgba(53, 235, 255, 0.3);
    box-shadow: 0 15px 40px rgba(53, 235, 255, 0.15);
}

.pricing-card.popular {
    border-color: rgba(255, 179, 0, 0.4);
    box-shadow: 0 10px 30px rgba(255, 179, 0, 0.1);
}

.pricing-card.popular:hover {
    border-color: #ffb300;
    box-shadow: 0 15px 40px rgba(255, 179, 0, 0.25);
}

.badge-popular {
    position: absolute;
    top: 15px;
    right: -30px;
    background: var(--grad-doge);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 4px 30px;
    transform: rotate(45deg);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-header h4 {
    font-size: 20px;
    margin-bottom: 8px;
    font-family: var(--font-cute);
}

.price-box {
    margin: 20px 0;
    display: flex;
    align-items: baseline;
}

.price-currency {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-sec);
}

.price-amount {
    font-size: 40px;
    font-weight: 800;
    font-family: var(--font-cute);
    line-height: 1;
}

.price-period {
    font-size: 14px;
    color: var(--color-text-sec);
    margin-left: 6px;
}

.pricing-features {
    list-style: none;
    margin: 24px 0 36px 0;
    flex-grow: 1;
}

.pricing-features li {
    font-size: 14px;
    color: var(--color-text-sec);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li::before {
    content: '🐾';
    font-size: 12px;
}

.pricing-features li.unlocked {
    color: #fff;
}

.pricing-features li.unlocked::before {
    content: '⭐';
}

.btn-pricing {
    width: 100%;
    text-align: center;
    padding: 12px 0;
    border-radius: 16px;
    font-weight: 600;
    font-family: var(--font-cute);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.pricing-card.popular .btn-pricing {
    background: var(--grad-doge);
    color: #fff;
    box-shadow: var(--glow-doge);
}

.pricing-card.popular .btn-pricing:hover {
    box-shadow: 0 0 25px rgba(255, 94, 98, 0.8);
}

.pricing-card:not(.popular) .btn-pricing {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
}

.pricing-card:not(.popular) .btn-pricing:hover {
    background: rgba(53, 235, 255, 0.1);
    border-color: #35ebff;
    box-shadow: var(--glow-tech);
}

/* ==========================================================================
   图2更换模板: H4 联合网络控制中心仪表盘 (Unified NOC Monitor Dashboard)
   ========================================================================== */
.h4-interactive-section {
    padding: 80px 0;
}

.unified-noc-panel {
    background: rgba(8, 11, 25, 0.8);
    border: 1px solid rgba(53, 235, 255, 0.15);
    box-shadow: var(--glow-tech);
    border-radius: 28px;
    padding: 30px;
    position: relative;
    overflow: hidden;
}

/* 顶部网格装饰与标题 */
.noc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 20px;
    margin-bottom: 24px;
}

.noc-main-title {
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #35ebff;
}

.noc-main-title span {
    font-family: var(--font-cute);
    color: #ffb300;
}

.noc-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
}

/* 左侧：实时用户评论流 (Chat-Log Feedback Stream) */
.noc-reviews-panel {
    display: flex;
    flex-direction: column;
}

.noc-sub-title {
    font-size: 14px;
    color: var(--color-text-sec);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.feedback-stream-container {
    height: 380px;
    overflow-y: hidden;
    position: relative;
}

/* 评论流滚动层 */
.feedback-stream-track {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: absolute;
    width: 100%;
    top: 0;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.stream-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 16px;
    padding: 20px;
    position: relative;
    transition: var(--transition-smooth);
}

.stream-card:hover {
    background: rgba(53, 235, 255, 0.03);
    border-color: rgba(53, 235, 255, 0.2);
}

.stream-card::before {
    content: '🐾';
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 14px;
    opacity: 0.2;
}

.stream-text {
    font-size: 14px;
    color: #e2e8f0;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 12px;
}

.stream-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stream-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #ffb300;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #000;
}

.stream-user-info h5 {
    font-size: 13px;
    font-weight: 600;
}

.stream-user-info p {
    font-size: 11px;
    color: var(--color-text-sec);
}

/* 右侧：高科技测速仪表盘 + 吞吐波形图 */
.noc-speed-panel {
    display: flex;
    flex-direction: column;
}

/* Blinking refresh status */
.noc-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.speed-wave-container {
    height: 100px;
    background: rgba(5, 7, 15, 0.5);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.03);
    margin-bottom: 16px;
    position: relative;
    overflow: hidden;
}

.speed-wave-label {
    position: absolute;
    top: 8px;
    left: 12px;
    font-size: 10px;
    color: rgba(53, 235, 255, 0.6);
    font-family: var(--font-cute);
}

.speed-wave-svg {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80%;
}

.speed-nodes-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.speed-node-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    padding: 12px 16px;
    display: grid;
    grid-template-columns: 120px 1fr 60px 80px;
    align-items: center;
    gap: 12px;
    transition: var(--transition-fast);
}

.speed-node-item:hover {
    background: rgba(53, 235, 255, 0.03);
    border-color: rgba(53, 235, 255, 0.2);
}

.node-name {
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.speed-progress-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.speed-progress-fill {
    height: 100%;
    background: var(--grad-tech);
    width: 0%;
    border-radius: 2px;
    transition: width 1s ease-out;
}

.node-ping {
    font-family: var(--font-cute);
    font-size: 12px;
    color: #00e676;
    text-align: right;
}

.node-ping.high-ping {
    color: #ffb300;
}

.node-speed {
    font-family: var(--font-cute);
    font-size: 12px;
    color: #35ebff;
    text-align: right;
    font-weight: 500;
}

/* ==========================================================================
   图3更换模板: H5 交互式命令行控制台 FAQ 与数码霓虹数据看板
   ========================================================================== */
.stats-faq-section {
    padding: 80px 0;
}

.stats-faq-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
}

/* 新式 Q&A 控制台阅读器 */
.faq-console-panel {
    display: flex;
    flex-direction: column;
}

.faq-console-title {
    font-size: 22px;
    font-family: var(--font-cute);
    margin-bottom: 24px;
    color: #ffb300;
}

.faq-console-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 20px;
    height: 360px;
}

/* 左侧问题选择标签组 */
.faq-pills-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
}

.faq-pill {
    padding: 12px 16px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-text-sec);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.faq-pill::before {
    content: '🦴';
    font-size: 10px;
    transition: var(--transition-fast);
}

.faq-pill.active {
    background: linear-gradient(135deg, rgba(255, 179, 0, 0.1) 0%, rgba(255, 94, 98, 0.05) 100%);
    border-color: #ffb300;
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 179, 0, 0.1);
}

.faq-pill.active::before {
    transform: scale(1.2) rotate(15deg);
}

.faq-pill:hover:not(.active) {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
    color: #fff;
}

/* 右侧终端式答复视窗 */
.faq-viewport {
    border-radius: 16px;
    background: rgba(5, 7, 15, 0.9);
    border: 1px solid rgba(255, 179, 0, 0.15);
    padding: 24px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.viewport-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.viewport-status {
    font-family: var(--font-cute);
    font-size: 11px;
    color: #ffb300;
}

.viewport-content {
    font-size: 14px;
    line-height: 1.8;
    color: #cbd5e0;
    flex-grow: 1;
}

.viewport-content h5 {
    font-size: 16px;
    color: #fff;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.viewport-content h5::before {
    content: 'Q:';
    color: #ffb300;
    font-weight: 800;
}

.viewport-content p {
    color: var(--color-text-sec);
    position: relative;
    padding-left: 20px;
}

.viewport-content p::before {
    content: 'A:';
    position: absolute;
    left: 0;
    top: 0;
    color: #35ebff;
    font-weight: 800;
}

/* 装饰背景小狗元素 */
.faq-decor-dog {
    position: absolute;
    bottom: -10px;
    right: -10px;
    font-size: 80px;
    opacity: 0.05;
    pointer-events: none;
    transform: rotate(-15deg);
}

/* 霓虹发光数码数据面板 */
.stats-panel {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    border: 1px solid rgba(255, 179, 0, 0.15);
    background: linear-gradient(135deg, rgba(13, 20, 38, 0.8) 0%, rgba(6, 9, 19, 0.9) 100%);
    box-shadow: var(--glow-doge);
    border-radius: 24px;
}

.stats-panel-title {
    font-size: 18px;
    font-weight: 600;
    color: #ffb300;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-item {
    margin-bottom: 36px;
    position: relative;
    width: 100%;
}

.stat-item:last-child {
    margin-bottom: 0;
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-sec);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 辉光数码管风格数字 */
.stat-number {
    font-size: 48px;
    font-weight: 800;
    font-family: var(--font-cute);
    background: var(--grad-doge);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(255, 179, 0, 0.25);
    display: inline-block;
}

.stat-number-sec {
    background: var(--grad-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(53, 235, 255, 0.25);
}

/* ==========================================================================
   Footer (PBN 权重精准输血管道 & 安全外链)
   ========================================================================= */
footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: #04050a;
    padding: 40px 0;
    text-align: center;
    position: relative;
    z-index: 10;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.footer-logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 8px;
}

.footer-logo-text {
    font-size: 18px;
}

/* PBN 友情链接区 - 样式与背景完美融合，不破坏设计 */
.pbn-links-area {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.2);
    padding: 10px 20px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.01);
    max-width: 500px;
    width: 100%;
}

.pbn-links-area span {
    color: rgba(255, 255, 255, 0.15);
}

.pbn-link {
    color: rgba(255, 255, 255, 0.25);
    text-decoration: none;
    transition: var(--transition-fast);
    padding: 2px 6px;
    border-radius: 4px;
}

.pbn-link:hover {
    color: #ffb300;
    background: rgba(255, 179, 0, 0.05);
}

.copyright {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   Responsive Styles (移动端适配)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .tech-scroll-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .tech-sidebar {
        flex-direction: row;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        padding-bottom: 16px;
        overflow-x: auto;
        white-space: nowrap;
        height: auto;
    }
    
    .sidebar-item {
        flex: 0 0 auto;
    }
    
    .tech-articles-container {
        height: 500px;
    }
    
    .noc-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .stats-faq-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-console-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .faq-pills-list {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 8px;
    }
    
    .faq-pill {
        flex: 0 0 auto;
    }
    
    .faq-viewport {
        height: 240px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 16px 0;
    }
    
    .nav-links {
        display: none; /* 简化移动端，仅保留主要按钮 */
    }
    
    .hero {
        padding: 60px 0 40px 0;
    }
    
    .hero-left h1 {
        font-size: 38px;
    }
    
    .hero-desc {
        font-size: 15px;
    }
    
    .pricing-wrapper {
        padding-bottom: 20px;
    }
    
    .pricing-card {
        flex: 0 0 280px;
        padding: 28px 20px;
    }
    
    .speed-node-item {
        grid-template-columns: 80px 1fr 50px;
        gap: 10px;
    }
    
    .speed-node-item .node-speed {
        display: none; /* 移动端隐藏较长字段 */
    }
}