/* 守护者V5 - 网站样式表 */

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

:root {
    /* 主色调 */
    --matrix-green: #00ff41;
    --matrix-glow: rgba(0, 255, 65, 0.3);
    --matrix-dark: #003b00;
    --matrix-dim: #008f11;
    
    /* 功能色 */
    --primary: #00d26a;
    --primary-dark: #00a854;
    --primary-soft: rgba(0, 210, 106, 0.1);
    
    /* 背景色 */
    --bg-dark: #0a0f0d;
    --bg-card: rgba(17, 24, 21, 0.8);
    --bg-card-solid: #111815;
    --bg-light: #1a211d;
    --bg-hover: rgba(0, 210, 106, 0.05);
    
    /* 文字色 */
    --text-primary: #f0f7f2;
    --text-secondary: #9ab0a0;
    --text-muted: #5c7563;
    
    /* 强调色 */
    --alert: #ff5757;
    --warning: #ffb347;
    --info: #5cadff;
    
    /* 字体 */
    --font-display: 'Inter', 'Noto Sans SC', sans-serif;
    --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
    
    /* 间距 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(0, 210, 106, 0.15);
    
    /* 动画 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* 选中文本效果 */
::selection {
    background: rgba(0, 210, 106, 0.3);
    color: #fff;
    text-shadow: 0 0 10px rgba(0, 210, 106, 0.5);
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 210, 106, 0.2);
    border-radius: 4px;
    border: 2px solid var(--bg-dark);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 210, 106, 0.4);
}

/* 矩阵雨背景 - 更细腻 */
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    opacity: 0.06;
}

/* 扫描线效果 - 更微妙 */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 255, 65, 0.008) 0px,
        transparent 1px,
        transparent 3px,
        rgba(0, 255, 65, 0.008) 4px
    );
    pointer-events: none;
    z-index: -1;
}

/* 网格背景 - 更精致 */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 210, 106, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 210, 106, 0.015) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -1;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

/* 导航 - 玻璃拟态优化 */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    padding: 14px 5%;
    background: rgba(10, 15, 13, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 210, 106, 0.1);
    z-index: 9999;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-base);
}

/* 滚动后导航栏增强 */
nav.scrolled {
    background: rgba(10, 15, 13, 0.95);
    border-bottom-color: rgba(0, 210, 106, 0.2);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    padding: 10px 5%;
}

/* 固定顶部信息条 */
.top-bar {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    width: 100%;
    padding: 12px 4%;
    background: linear-gradient(90deg, 
        rgba(10, 15, 13, 0.98) 0%, 
        rgba(0, 210, 106, 0.08) 20%,
        rgba(0, 210, 106, 0.12) 50%,
        rgba(0, 210, 106, 0.08) 80%,
        rgba(10, 15, 13, 0.98) 100%);
    border-bottom: 1px solid rgba(0, 210, 106, 0.15);
    text-align: center;
    font-size: 0.8rem;
    color: rgba(0, 255, 65, 0.9);
    z-index: 9998;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.top-bar-icon {
    color: rgba(0, 210, 106, 0.5);
    font-size: 0.7rem;
    animation: icon-twinkle 3s infinite;
}

.top-bar-icon:nth-child(3) {
    animation-delay: 1.5s;
}

@keyframes icon-twinkle {
    0%, 100% { 
        opacity: 0.3;
        transform: scale(0.9);
    }
    50% { 
        opacity: 1;
        transform: scale(1.1);
        text-shadow: 0 0 10px rgba(0, 210, 106, 0.6);
    }
}

.top-bar-text {
    display: inline-block;
    animation: gentle-pulse 4s infinite ease-in-out;
    text-shadow: 0 0 20px rgba(0, 210, 106, 0.2);
}

@keyframes gentle-pulse {
    0%, 100% { 
        opacity: 0.85;
        text-shadow: 0 0 10px rgba(0, 210, 106, 0.15);
    }
    50% { 
        opacity: 1;
        text-shadow: 0 0 25px rgba(0, 210, 106, 0.4), 0 0 40px rgba(0, 210, 106, 0.2);
    }
}

/* 调整hero区域，为固定条留出空间 */
.hero {
    padding-top: 150px !important;
}

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

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(0, 210, 106, 0.15), rgba(0, 168, 84, 0.08));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1.5px solid rgba(0, 210, 106, 0.4);
    box-shadow: 0 0 20px rgba(0, 210, 106, 0.25),
                inset 0 0 15px rgba(0, 210, 106, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 255, 65, 0.1), transparent);
    border-radius: 12px;
    pointer-events: none;
}

.logo-icon:hover {
    box-shadow: 0 0 35px rgba(0, 210, 106, 0.5),
                inset 0 0 25px rgba(0, 210, 106, 0.15);
    border-color: rgba(0, 255, 65, 0.6);
    transform: scale(1.08);
}

.logo-icon img {
    width: 78%;
    height: 78%;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(0, 210, 106, 0.4));
    border-radius: 8px;
    z-index: 1;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo-text span {
    color: var(--primary);
    font-weight: 700;
    text-shadow: 0 0 15px rgba(0, 210, 106, 0.4);
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
    padding: 6px 0;
}

.nav-links a:hover {
    color: var(--matrix-green);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--matrix-green), transparent);
    transition: var(--transition-base);
    transform: translateX(-50%);
    border-radius: 1px;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Hero - 沉浸式优化 */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 5% 80px;
    position: relative;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 210, 106, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(0, 210, 106, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at center, rgba(0, 210, 106, 0.03) 0%, transparent 60%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 700px;
    border: 1px solid rgba(0, 255, 65, 0.06);
    border-radius: 50%;
    animation: pulse-ring 6s ease-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    border: 1px solid rgba(0, 255, 65, 0.08);
    border-radius: 50%;
    animation: pulse-ring 6s ease-out infinite 1s;
}

@keyframes pulse-ring {
    0% { transform: translate(-50%, -50%) scale(0.9); opacity: 0.6; }
    100% { transform: translate(-50%, -50%) scale(1.3); opacity: 0; }
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(0, 210, 106, 0.08), rgba(0, 210, 106, 0.04));
    border: 1px solid rgba(0, 210, 106, 0.2);
    padding: 10px 24px;
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--primary);
    margin-bottom: 30px;
    font-family: var(--font-mono);
    letter-spacing: 0.03em;
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
}

.badge:hover {
    border-color: rgba(0, 210, 106, 0.4);
    box-shadow: 0 0 20px rgba(0, 210, 106, 0.1);
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 10vw, 5rem);
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, #c8e6c9 50%, var(--matrix-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.hero h1 .version {
    font-family: var(--font-mono);
    font-size: clamp(3.2rem, 12vw, 6rem);
    font-weight: 700;
    color: var(--matrix-green);
    -webkit-text-fill-color: var(--matrix-green);
    text-shadow: 
        0 0 30px rgba(0, 255, 65, 0.4),
        0 0 60px rgba(0, 255, 65, 0.2);
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-weight: 400;
    letter-spacing: 0.02em;
}

.hero-desc {
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 35px;
    padding: 0 20px;
    line-height: 1.8;
}

.cta-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-primary {
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--bg-dark);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    font-family: var(--font-body);
    letter-spacing: 0.02em;
    box-shadow: 
        0 4px 20px rgba(0, 210, 106, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 8px 30px rgba(0, 210, 106, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    padding: 16px 40px;
    background: transparent;
    color: var(--matrix-green);
    font-size: 1rem;
    font-weight: 600;
    border: 1.5px solid var(--matrix-green);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    font-family: var(--font-body);
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(0, 255, 65, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: var(--transition-base);
}

.btn-secondary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-secondary:hover {
    border-color: var(--matrix-green);
    box-shadow: 0 0 25px rgba(0, 255, 65, 0.2);
}

/* 核心数据 - 玻璃拟态 */
.stats-bar {
    position: relative;
    margin-top: 60px;
    display: flex;
    gap: clamp(40px, 10vw, 100px);
    padding: 30px clamp(30px, 6vw, 80px);
    background: var(--bg-card);
    border: 1px solid rgba(0, 210, 106, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-wrap: wrap;
    justify-content: center;
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.stat-item {
    text-align: center;
    min-width: 90px;
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, transparent, rgba(0, 210, 106, 0.2), transparent);
}

.stat-value {
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: 700;
    color: var(--matrix-green);
    font-family: var(--font-mono);
    text-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: clamp(0.75rem, 2vw, 0.85rem);
    color: var(--text-muted);
    margin-top: 6px;
    font-weight: 400;
    letter-spacing: 0.02em;
}

/* Section - 优雅分区 */
.section {
    padding: 100px 5%;
    max-width: 1280px;
    margin: 0 auto;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--primary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 16px;
    padding: 6px 14px;
    background: var(--primary-soft);
    border: 1px solid rgba(0, 210, 106, 0.15);
    border-radius: 100px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-tag {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.85rem;
    color: var(--matrix-green);
    margin-bottom: 12px;
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.section-title {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 12px;
}

.section-desc {
    font-size: clamp(0.9rem, 2.5vw, 1.05rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 案例滚动 - 响应式优化 */
.cases-section {
    background: linear-gradient(180deg, var(--bg-dark), rgba(255, 68, 68, 0.03), var(--bg-dark));
    overflow: hidden;
    padding: 60px 0;
}

.cases-section .section-header {
    padding: 0 5%;
}

.cases-scroll-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 20px 0;
    mask-image: linear-gradient(90deg, transparent, black 5%, black 95%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 5%, black 95%, transparent);
}

.cases-scroll {
    display: flex;
    gap: 20px;
    animation: scrollCases 35s linear infinite;
    width: max-content;
    padding: 10px;
}

.cases-scroll:hover {
    animation-play-state: paused;
}

@keyframes scrollCases {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.case-card {
    flex-shrink: 0;
    width: clamp(300px, 85vw, 380px);
    background: var(--bg-card);
    border: 1px solid rgba(0, 210, 106, 0.15);
    border-radius: 16px;
    padding: 25px;
    transition: all 0.3s;
}

.case-card.alert {
    border-color: rgba(255, 68, 68, 0.3);
    background: linear-gradient(180deg, var(--bg-card), rgba(255, 68, 68, 0.05));
}

.case-card.warning {
    border-color: rgba(255, 165, 2, 0.3);
    background: linear-gradient(180deg, var(--bg-card), rgba(255, 165, 2, 0.05));
}

.case-card.danger {
    border-color: rgba(255, 0, 0, 0.3);
    background: linear-gradient(180deg, var(--bg-card), rgba(255, 0, 0, 0.05));
}

.case-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border-color: var(--matrix-green);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

.case-tag {
    background: rgba(0, 210, 106, 0.1);
    color: var(--matrix-green);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.case-card.alert .case-tag {
    background: rgba(255, 68, 68, 0.15);
    color: var(--alert);
}

.case-loss {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--alert);
}

.case-card h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-primary);
    line-height: 1.4;
}

.case-timeline {
    margin-bottom: 15px;
}

.timeline-item {
    display: flex;
    gap: 12px;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.timeline-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.timeline-item .time {
    flex-shrink: 0;
    width: 55px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.8rem;
    color: var(--matrix-green);
    font-weight: 600;
}

.timeline-item .event {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.case-data {
    display: flex;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid rgba(0, 210, 106, 0.1);
}

.data-item {
    text-align: center;
}

.data-value {
    display: block;
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--matrix-green);
}

.data-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 3px;
}

.cases-summary {
    display: flex;
    justify-content: center;
    gap: clamp(30px, 8vw, 80px);
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 210, 106, 0.1);
    flex-wrap: wrap;
}

.summary-item {
    text-align: center;
}

.summary-value {
    font-family: 'Share Tech Mono', monospace;
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--alert);
    text-shadow: 0 0 20px rgba(255, 68, 68, 0.3);
}

.summary-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* 核心升级 - 修复对齐 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 1fr;
    gap: 25px;
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 210, 106, 0.1);
    border-radius: 16px;
    padding: 30px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--matrix-green), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover {
    border-color: rgba(0, 210, 106, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 55px;
    height: 55px;
    background: rgba(0, 210, 106, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 18px;
    border: 1px solid rgba(0, 210, 106, 0.2);
    flex-shrink: 0;
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text-primary);
    flex-shrink: 0;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: 15px;
}

.feature-highlight {
    display: inline-block;
    background: rgba(0, 210, 106, 0.15);
    color: var(--matrix-green);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-family: 'Share Tech Mono', monospace;
    flex-shrink: 0;
    align-self: flex-start;
}

/* 对比表格 - 响应式 */
.compare-section {
    background: linear-gradient(180deg, transparent, rgba(0, 210, 106, 0.03), transparent);
}

.compare-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -5%;
    padding: 0 5%;
}

.compare-table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(0, 210, 106, 0.1);
}

.compare-table th,
.compare-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid rgba(0, 210, 106, 0.1);
}

.compare-table th {
    background: rgba(0, 210, 106, 0.1);
    font-weight: 600;
    color: var(--matrix-green);
    font-size: 0.9rem;
}

.compare-table td {
    font-size: 0.9rem;
}

.compare-table .v4-col {
    color: var(--text-secondary);
}

.compare-table .v5-col {
    color: var(--matrix-green);
    font-weight: 500;
    background: rgba(0, 210, 106, 0.05);
}

.compare-table .price {
    font-size: 1.3rem;
    font-weight: 700;
}

/* 产品展示 - 响应式 */
.product-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    align-items: center;
}

.product-visual {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    border: 1px solid rgba(0, 210, 106, 0.15);
    position: relative;
}

.product-visual::after {
    content: 'V5';
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 3rem;
    font-weight: 700;
    color: rgba(0, 210, 106, 0.08);
    font-family: 'Share Tech Mono', monospace;
}

.product-icon {
    font-size: 6rem;
    margin-bottom: 25px;
    filter: drop-shadow(0 0 30px rgba(0, 210, 106, 0.3));
}

.product-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    text-align: left;
}

.spec-item {
    padding: 12px;
    background: rgba(0, 210, 106, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(0, 210, 106, 0.1);
}

.spec-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.spec-value {
    font-size: 1rem;
    color: var(--matrix-green);
    font-weight: 600;
    font-family: 'Share Tech Mono', monospace;
}

.product-details h3 {
    font-size: 1.4rem;
    margin-bottom: 18px;
    color: var(--text-primary);
}

.product-details ul {
    list-style: none;
    margin-bottom: 25px;
}

.product-details li {
    padding: 10px 0;
    padding-left: 28px;
    position: relative;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(0, 210, 106, 0.08);
    font-size: 0.95rem;
}

.product-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--matrix-green);
    font-weight: bold;
}

.warning-box {
    background: rgba(255, 68, 68, 0.08);
    border: 1px solid rgba(255, 68, 68, 0.25);
    padding: 16px;
    border-radius: 12px;
    margin-top: 20px;
}

.warning-box-title {
    color: var(--alert);
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.9rem;
}

.warning-box-text {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* 定价 - 响应式 */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 210, 106, 0.1);
    border-radius: 16px;
    padding: 35px 30px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--matrix-green);
    background: linear-gradient(180deg, var(--bg-card), rgba(0, 210, 106, 0.05));
    transform: scale(1.02);
    box-shadow: 0 10px 40px rgba(0, 210, 106, 0.1);
}

.pricing-card.featured::before {
    content: 'RECOMMENDED';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--matrix-green);
    color: var(--bg-dark);
    padding: 5px 18px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: 'Share Tech Mono', monospace;
}

.pricing-card:hover {
    border-color: rgba(0, 210, 106, 0.3);
    transform: translateY(-5px);
}

.pricing-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.pricing-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.pricing-price {
    font-size: clamp(2.2rem, 6vw, 2.8rem);
    font-weight: 700;
    color: var(--matrix-green);
    margin-bottom: 8px;
    font-family: 'Share Tech Mono', monospace;
    text-shadow: 0 0 20px rgba(0, 255, 65, 0.2);
}

.pricing-price span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pricing-note {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 25px;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 210, 106, 0.08);
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pricing-features li::before {
    content: '›';
    color: var(--matrix-green);
    font-weight: bold;
}

/* 联系 - 响应式 */
.contact-section {
    text-align: center;
    padding: 80px 5%;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 210, 106, 0.2);
    border-radius: 24px;
    padding: 50px 30px;
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--matrix-green), transparent);
}

.contact-phone {
    font-size: clamp(1.8rem, 5vw, 2.2rem);
    font-weight: 700;
    color: var(--matrix-green);
    margin: 20px 0;
    font-family: 'Share Tech Mono', monospace;
    text-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

.contact-name {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.contact-features {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-top: 25px;
    flex-wrap: wrap;
}

.contact-feature {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.contact-feature::before {
    content: '✓';
    color: var(--matrix-green);
}

/* 页脚 */
footer {
    text-align: center;
    padding: 40px 5%;
    border-top: 1px solid rgba(0, 210, 106, 0.1);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.footer-company {
    color: var(--matrix-green);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 1rem;
}

/* 动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式断点 */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        background: rgba(10, 15, 13, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        border-bottom: 1px solid rgba(0, 210, 106, 0.2);
        transform: translateY(-150%);
        transition: transform 0.3s;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .nav-links a {
        padding: 10px 0;
        font-size: 1rem;
    }

    .hero {
        padding: 100px 4% 50px;
    }

    .stats-bar {
        gap: 25px;
        padding: 20px;
    }

    .section {
        padding: 60px 4%;
    }

    .cases-scroll {
        animation-duration: 25s;
    }

    .case-card {
        width: 320px;
        padding: 20px;
    }

    .product-visual {
        padding: 30px 20px;
    }

    .product-icon {
        font-size: 4.5rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .contact-card {
        padding: 40px 25px;
    }
}

@media (max-width: 480px) {
    .badge {
        font-size: 0.75rem;
        padding: 6px 14px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 12px 28px;
        font-size: 0.9rem;
        width: 100%;
    }

    .cta-group {
        width: 100%;
        padding: 0 10px;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .case-card {
        width: 300px;
    }

    .cases-summary {
        gap: 25px;
    }

    .summary-value {
        font-size: 1.6rem;
    }
}

/* 平板 */
@media (min-width: 769px) and (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-card.featured {
        transform: scale(1);
    }
}

/* 减少动画（用户偏好） */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}