/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #00d4ff;
    --primary-dark: #0099cc;
    --primary-light: #66e5ff;
    --secondary: #7b2cbf;
    --secondary-light: #9d4edd;
    --accent: #ff6b6b;
    --bg-dark: #0a0a0f;
    --bg-card: #12121a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --gradient-1: linear-gradient(135deg, #00d4ff 0%, #7b2cbf 100%);
    --gradient-2: linear-gradient(135deg, #7b2cbf 0%, #ff6b6b 100%);
    --gradient-3: linear-gradient(135deg, #00d4ff 0%, #00ff88 100%);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);
    --shadow-glow-purple: 0 0 30px rgba(123, 44, 191, 0.3);
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: 70px;
}

/* 粒子背景 */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

/* 防止滚动时页面抖动 */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

body {
    overflow-x: hidden;
}

/* 平滑滚动锚点偏移 */
section[id] {
    scroll-margin-top: 70px;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-icon {
    font-size: 28px;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

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

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary);
}

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

.nav-cta {
    display: flex;
    align-items: center;
}

.nav-cta .btn {
    padding: 8px 20px;
    font-size: 14px;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

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

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 15px;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: var(--shadow-glow);
    transition: box-shadow 0.3s ease;
}

.btn-primary:hover {
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
}

.btn-primary:active {
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(0, 212, 255, 0.1);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--bg-dark);
}

.btn-large {
    padding: 16px 36px;
    font-size: 16px;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn:hover .btn-icon {
    transform: translateX(3px);
    transition: transform 0.3s ease;
}

/* 首页横幅 */
.hero {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    padding: 50px 20px 50px;
    position: relative;
    overflow: hidden;
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 30px 15px 60px;
    }
}

/* 固定Hero区域的布局 */
.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(123, 44, 191, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    font-size: 14px;
    color: var(--primary);
    margin-bottom: 30px;
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.5;
    }
}

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
}

.title-gradient {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    font-size: 42px;
    color: var(--text-primary);
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-buttons .btn {
    flex-shrink: 0;
}

.hero-stats {
    display: flex;
    gap: 60px;
}

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

.stat-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 36px;
    font-weight: 900;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 盾牌动画 */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.shield-animation {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.shield {
    width: 200px;
    height: 200px;
    position: relative;
    z-index: 2;
}

.shield-inner {
    width: 100%;
    height: 100%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.shield-svg {
    width: 100%;
    height: 100%;
}

.shield-path {
    fill: none;
    stroke: var(--primary);
    stroke-width: 2;
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: drawShield 2s ease forwards;
}

@keyframes drawShield {
    to {
        stroke-dashoffset: 0;
    }
}

.lock-circle {
    fill: none;
    stroke: var(--primary);
    stroke-width: 2;
}

.lock-body {
    fill: var(--primary);
}

.shield-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    filter: blur(40px);
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.orbit {
    position: absolute;
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 50%;
    animation: orbit 20s linear infinite;
}

.orbit-1 {
    width: 280px;
    height: 280px;
    animation-duration: 20s;
}

.orbit-2 {
    width: 340px;
    height: 340px;
    animation-duration: 30s;
    animation-direction: reverse;
}

.orbit-3 {
    width: 400px;
    height: 400px;
    animation-duration: 40s;
}

@keyframes orbit {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.orbit::before {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 10px var(--primary);
}

/* 区域通用样式 */
section {
    padding: 100px 20px;
}

@media (max-width: 768px) {
    section {
        padding: 60px 20px;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 15px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

/* 产品展示 */
.products {
    position: relative;
    overflow: hidden;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(123, 44, 191, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 212, 255, 0.2);
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card.featured {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(123, 44, 191, 0.1) 100%);
    border-color: rgba(0, 212, 255, 0.3);
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-1);
    color: white;
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.product-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.product-icon svg {
    width: 30px;
    height: 30px;
    stroke: white;
}

.product-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 15px;
}

.product-features {
    list-style: none;
    margin-bottom: 30px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.check {
    color: var(--primary);
    font-weight: bold;
}

/* 优势特点 */
.features {
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 1;
}

.feature-item {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.feature-item:hover::before {
    opacity: 0.05;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 72px;
    font-weight: 900;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.1;
    position: absolute;
    top: 10px;
    right: 20px;
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.feature-icon svg {
    width: 35px;
    height: 35px;
    stroke: white;
}

.feature-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

/* 关于我们 */
.about {
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

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

.about-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--bg-card);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.highlight-item:hover {
    transform: translateX(5px);
    border-color: rgba(0, 212, 255, 0.3);
}

.highlight-icon {
    font-size: 32px;
}

.highlight-text {
    font-weight: 600;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.badge-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 30px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    transition: all 0.4s ease;
}

.badge-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 212, 255, 0.3);
}

.badge-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.badge-text {
    font-weight: 600;
    text-align: center;
}

/* CTA区域 */
.cta-section {
    padding: 120px 20px;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-1);
    opacity: 0.1;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
}

.cta-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* 联系方式 */
.contact {
    position: relative;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 50px 40px;
    text-align: center;
    transition: all 0.4s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 212, 255, 0.3);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.contact-icon svg {
    width: 40px;
    height: 40px;
    stroke: white;
}

.contact-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.contact-description {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* 页脚 */
.footer {
    background: var(--bg-card);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-domain {
    font-family: 'Orbitron', sans-serif;
    font-size: 18px;
    color: var(--primary);
}

.footer-links h4 {
    font-family: 'Orbitron', sans-serif;
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 14px;
}

/* 浮动客服按钮 */
.floating-cs {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.cs-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
    transition: all 0.3s ease;
    position: relative;
}

.cs-button:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.6);
}

.cs-button svg {
    width: 30px;
    height: 30px;
    stroke: white;
}

.cs-tooltip {
    position: absolute;
    right: 70px;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cs-button:hover .cs-tooltip {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        max-width: 100%;
        padding: 0 20px;
    }

    .hero-title {
        font-size: 48px;
    }

    .title-sub {
        font-size: 32px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        margin-top: 60px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

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

    .shield-animation {
        width: 300px;
        height: 300px;
    }

    .shield {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-title {
        font-size: 36px;
    }

    .title-sub {
        font-size: 24px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-stats {
        gap: 30px;
        flex-wrap: wrap;
    }

    .stat-item {
        flex: 1 1 calc(50% - 15px);
        min-width: 120px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .product-card {
        padding: 30px 25px;
    }

    .product-name {
        font-size: 20px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-item {
        padding: 30px 20px;
    }

    .about-content {
        gap: 40px;
    }

    .about-highlights {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .highlight-item {
        padding: 15px;
    }

    .trust-badges {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .badge-item {
        padding: 30px 25px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .cta-title {
        font-size: 32px;
    }

    .cta-description {
        font-size: 18px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-card {
        padding: 40px 30px;
    }

    .floating-cs {
        bottom: 20px;
        right: 20px;
    }

    .cs-button {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 90px 15px 40px;
    }

    .hero-title {
        font-size: 28px;
    }

    .title-sub {
        font-size: 20px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .stat-item {
        flex: 1 1 100%;
        min-width: 100%;
        margin-bottom: 20px;
    }

    .stat-number {
        font-size: 28px;
    }

    .section-title {
        font-size: 28px;
    }

    .section-subtitle {
        font-size: 15px;
    }

    .product-card {
        padding: 25px 20px;
    }

    .product-icon {
        width: 50px;
        height: 50px;
    }

    .product-icon svg {
        width: 25px;
        height: 25px;
    }

    .product-name {
        font-size: 18px;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
    }

    .feature-icon svg {
        width: 30px;
        height: 30px;
    }

    .feature-title {
        font-size: 20px;
    }

    .contact-icon {
        width: 60px;
        height: 60px;
    }

    .contact-icon svg {
        width: 30px;
        height: 30px;
    }

    .contact-title {
        font-size: 20px;
    }

    .badge-icon {
        font-size: 40px;
    }

    .logo {
        font-size: 20px;
    }

    .logo-icon {
        font-size: 24px;
    }

    .shield-animation {
        width: 250px;
        height: 250px;
    }

    .shield {
        width: 120px;
        height: 120px;
    }
}

/* 滚动动画 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 移动端禁用3D效果 */
@media (max-width: 1024px) {
    .product-card:hover {
        transform: none;
    }

    .feature-item:hover {
        transform: none;
    }

    .contact-card:hover {
        transform: none;
    }

    .highlight-item:hover {
        transform: none;
    }

    .badge-item:hover {
        transform: none;
    }

    .btn:hover .btn-icon {
        transform: none;
    }
}

/* 禁用3D卡片效果在小屏幕上 */
@media (hover: none) and (pointer: coarse) {
    .product-card:hover {
        transform: none;
    }

    .feature-item:hover {
        transform: none;
    }

    .contact-card:hover {
        transform: none;
    }

    .btn:hover .btn-icon {
        transform: none;
    }
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gradient-1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* 选中文本样式 */
::selection {
    background: var(--primary);
    color: var(--bg-dark);
}

/* 页面头部 */
.page-header {
    padding: 180px 20px 100px;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(123, 44, 191, 0.1) 100%);
}

.page-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 15px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .page-header {
        padding: 140px 20px 60px;
    }

    .page-title {
        font-size: 36px;
    }
}

/* 产品对比表格 */
.product-comparison {
    padding: 80px 20px;
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: 40px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
}

.comparison-table thead {
    background: var(--gradient-1);
}

.comparison-table th {
    padding: 20px;
    text-align: left;
    color: white;
    font-weight: 700;
    font-size: 15px;
}

.comparison-table th:first-child {
    border-radius: 20px 0 0 0;
}

.comparison-table td {
    padding: 18px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-size: 14px;
}

.comparison-table tr:hover td {
    background: rgba(0, 212, 255, 0.05);
}

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

@media (max-width: 768px) {
    .product-comparison {
        padding: 40px 15px;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 12px 10px;
        font-size: 12px;
    }
}

/* 产品详细卡片 */
.product-details {
    padding: 80px 20px;
}

.detail-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.detail-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.detail-card.featured {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(123, 44, 191, 0.1) 100%);
    border-color: rgba(0, 212, 255, 0.3);
}

.detail-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.detail-icon {
    font-size: 48px;
}

.detail-header h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: 700;
}

.detail-content h4 {
    font-size: 18px;
    margin: 25px 0 15px;
    color: var(--primary);
}

.detail-content ul {
    list-style: none;
    margin: 15px 0 25px;
}

.detail-content li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-secondary);
}

.detail-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.detail-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

@media (max-width: 768px) {
    .product-details {
        padding: 40px 15px;
    }

    .detail-card {
        padding: 25px;
    }

    .detail-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .detail-icon {
        font-size: 36px;
    }

    .detail-header h3 {
        font-size: 20px;
    }
}

/* 选择指南 */
.selection-guide {
    padding: 80px 20px;
    background: linear-gradient(135deg, rgba(123, 44, 191, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.guide-step {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.guide-step:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: 900;
    margin: 0 auto 20px;
}

.guide-step h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 20px;
    margin-bottom: 15px;
}

.guide-step p {
    color: var(--text-secondary);
    line-height: 1.8;
}

@media (max-width: 768px) {
    .selection-guide {
        padding: 40px 15px;
    }

    .guide-step {
        padding: 30px 20px;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

/* 导航链接激活状态 */
.nav-menu a.active {
    color: var(--primary);
}

.nav-menu a.active::after {
    width: 100%;
}

/* FAQ页面 */
.faq-section {
    padding: 80px 20px;
}

.faq-category {
    margin-bottom: 60px;
}

.category-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--primary);
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(0, 212, 255, 0.2);
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.faq-question {
    padding: 25px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(0, 212, 255, 0.05);
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.faq-icon {
    font-size: 24px;
    color: var(--primary);
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 30px 25px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-answer strong {
    color: var(--primary);
    font-weight: 600;
}

@media (max-width: 768px) {
    .faq-section {
        padding: 40px 15px;
    }

    .category-title {
        font-size: 24px;
    }

    .faq-question {
        padding: 20px;
    }

    .faq-question h3 {
        font-size: 16px;
    }

    .faq-answer p {
        padding: 0 20px 20px;
        font-size: 14px;
    }
}

.faq-more {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(123, 44, 191, 0.1) 100%);
    border-radius: 20px;
    margin-top: 40px;
}

.faq-more p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.faq-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .faq-more {
        padding: 40px 20px;
    }

    .faq-actions {
        flex-direction: column;
    }

.faq-actions .btn {
    width: 100%;
    }
}

/* 新闻页面 */
.news-section {
    padding: 80px 20px;
}

.news-article {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 50px 40px;
    margin-bottom: 40px;
    transition: all 0.3s ease;
}

.news-article.featured {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.news-badge {
    display: inline-block;
    background: var(--gradient-1);
    color: white;
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 20px;
}

.news-date {
    color: var(--primary);
    font-size: 14px;
    margin-bottom: 20px;
}

.news-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.news-content h3 {
    font-size: 20px;
    margin: 25px 0 15px;
    color: var(--primary);
}

.news-content ul {
    list-style: none;
    margin: 15px 0;
}

.news-content li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-secondary);
}

.news-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.news-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 15px;
}

.news-content a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s;
}

.news-content a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.read-more {
    margin-top: 20px;
}

.news-alert {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    border-radius: 15px;
    padding: 25px;
    margin-top: 30px;
}

.news-alert h4 {
    color: var(--accent);
    margin-bottom: 15px;
    font-size: 18px;
}

.news-tips {
    margin-top: 60px;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.tip-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px 25px;
    text-align: center;
    transition: all 0.3s ease;
}

.tip-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-5px);
}

.tip-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.tip-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

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

.news-cta {
    text-align: center;
    padding: 60px 40px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(123, 44, 191, 0.1) 100%);
    border-radius: 20px;
    margin-top: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .news-section {
        padding: 40px 15px;
    }

    .news-article {
        padding: 30px 25px;
    }

    .news-title {
        font-size: 24px;
    }

    .tips-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    /* 文章详情页响应式 */
    .article-header {
        padding: 40px 0;
    }

    .article-title {
        font-size: 24px;
    }

    .article-summary {
        font-size: 16px;
    }

    .article-content .container {
        grid-template-columns: 1fr;
    }

    .article-body h2 {
        font-size: 24px;
    }

    .article-body h3 {
        font-size: 20px;
    }

    .benefit-grid {
        grid-template-columns: 1fr;
    }

    .certificate-types {
        grid-template-columns: 1fr;
    }

    .policy-grid {
        grid-template-columns: 1fr;
    }

    .action-steps {
        margin: 20px 0;
    }

    .step-item {
        flex-direction: column;
        gap: 15px;
    }

    .support-options {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
        margin-top: 40px;
    }

    .article-nav {
        flex-direction: column;
    }

    .article-tags {
        gap: 8px;
    }

    .tag {
        font-size: 12px;
        padding: 5px 10px;
    }
}

/* 文章头部 */
.article-header {
    background: var(--bg-card);
    padding: 60px 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.article-meta {
    display: flex;
    gap: 20px;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.article-category {
    background: var(--gradient-1);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
}

.article-category.important {
    background: var(--gradient-2);
}

.article-date, .article-author {
    color: var(--text-secondary);
    font-size: 14px;
}

.article-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 36px;
    color: var(--text-primary);
    margin-bottom: 15px;
    line-height: 1.3;
}

.article-summary {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 800px;
}

/* 文章内容 */
.article-content {
    padding: 60px 0;
}

.article-content .container {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}

.article-body {
    max-width: 100%;
}

.article-body h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 28px;
    color: var(--text-primary);
    margin: 50px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(0, 212, 255, 0.2);
}

.article-body h3 {
    font-size: 22px;
    color: var(--text-primary);
    margin: 30px 0 15px;
}

.article-body h4 {
    font-size: 18px;
    color: var(--text-primary);
    margin: 20px 0 10px;
}

.article-body p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 15px;
}

.article-body strong {
    color: var(--primary);
    font-weight: 600;
}

.article-intro {
    background: rgba(0, 212, 255, 0.05);
    border-left: 4px solid var(--primary);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.article-intro.warning {
    background: rgba(255, 107, 107, 0.05);
    border-left-color: var(--accent);
}

.article-intro .alert-icon {
    font-size: 24px;
    margin-bottom: 10px;
}

/* 文章列表 */
.article-list {
    margin: 20px 0;
}

.list-item {
    display: flex;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.list-icon {
    width: 30px;
    height: 30px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
    flex-shrink: 0;
}

.list-content h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.list-content p {
    font-size: 14px;
    margin: 0;
}

/* 收益卡片 */
.benefit-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.benefit-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
}

.benefit-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 48px;
    color: rgba(0, 212, 255, 0.2);
    position: absolute;
    top: 10px;
    right: 15px;
    font-weight: bold;
}

.benefit-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    margin-top: 0;
    color: var(--text-primary);
}

.benefit-card p {
    font-size: 14px;
    margin: 0;
}

/* 证书类型 */
.certificate-types {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.cert-type {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.cert-type h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--primary);
}

.cert-type p {
    font-size: 14px;
    margin: 0;
}

/* FAQ项目 */
.faq-item {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.faq-question {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.faq-answer {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* 提示框 */
.tips-box {
    margin: 30px 0;
}

.tip-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: var(--bg-card);
    border-radius: 8px;
    margin-bottom: 10px;
}

.tip-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.tip-text h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.tip-text p {
    font-size: 14px;
    margin: 0;
}

/* 文章警告框 */
.article-alert {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    border-radius: 8px;
    padding: 20px;
    margin: 30px 0;
}

.article-alert.warning {
    background: rgba(255, 107, 107, 0.1);
    border-color: var(--accent);
}

.article-alert h4 {
    color: var(--accent);
    margin-bottom: 10px;
    font-size: 18px;
}

.article-alert p {
    margin: 0;
    font-size: 15px;
}

/* 政策卡片 */
.policy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.policy-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.policy-card.highlight {
    border-color: var(--primary);
    background: rgba(0, 212, 255, 0.05);
}

.policy-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.policy-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.policy-card p {
    font-size: 14px;
    margin: 0;
}

/* 对比表格 */
.comparison-table {
    margin: 30px 0;
    overflow-x: auto;
}

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

.comparison-table th,
.comparison-table td {
    padding: 15px;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-table th {
    background: var(--gradient-1);
    color: white;
    font-weight: 600;
}

.comparison-table td {
    background: var(--bg-card);
}

.comparison-table td.changed {
    color: var(--accent);
    font-weight: 600;
}

/* 影响列表 */
.impact-list {
    margin: 30px 0;
}

.impact-item {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 3px solid var(--primary);
}

.impact-item h4 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.impact-item p {
    font-size: 14px;
    margin: 0;
}

/* 操作步骤 */
.action-steps {
    margin: 30px 0;
}

.step-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--bg-card);
    border-radius: 8px;
    margin-bottom: 15px;
    align-items: flex-start;
}

.step-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: bold;
    color: var(--primary);
    flex-shrink: 0;
}

.step-item h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.step-item p {
    font-size: 14px;
    margin: 0;
}

/* 支持选项 */
.support-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.support-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.support-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.support-card h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.support-card p {
    font-size: 13px;
    margin-bottom: 15px;
}

/* CTA盒子 */
.cta-box {
    background: var(--gradient-1);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    margin: 30px 0;
}

.cta-box h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: white;
}

.cta-box p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
}

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

/* 文章侧边栏 */
.article-sidebar {
    position: sticky;
    top: 90px;
}

.sidebar-widget {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-widget h3 {
    font-size: 16px;
    margin-bottom: 15px;
    color: var(--text-primary);
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-widget.urgent {
    border-color: var(--accent);
}

.quick-links {
    list-style: none;
}

.quick-links li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.quick-links li:last-child {
    border-bottom: none;
}

.quick-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.quick-links a:hover {
    color: var(--primary);
}

.related-products {
    list-style: none;
}

.related-products li {
    margin-bottom: 10px;
}

.related-products a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.related-products a span {
    color: var(--primary);
    font-size: 12px;
}

.related-products a:hover {
    color: var(--text-primary);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.service-hours p {
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.service-hours strong {
    color: var(--text-primary);
}

/* 文章底部 */
.article-footer {
    background: var(--bg-card);
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.article-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.tag {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    padding: 12px 20px;
    background: var(--bg-dark);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}

.nav-link:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(0, 212, 255, 0.05);
}

.nav-link.back {
    text-align: left;
}

.nav-link.next {
    text-align: right;
}

/* 联系我们页面 */
.contact-page {
    padding: 80px 20px;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
    margin-bottom: 60px;
}

.contact-method {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-method.featured {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.contact-method:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(0, 212, 255, 0.3);
}

.contact-method-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.contact-method-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    margin-bottom: 15px;
}

.contact-method-desc {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.contact-method-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 25px;
}

.feature-tag {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 12px;
}

.service-hours {
    margin-bottom: 60px;
}

.hours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.hours-item {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
}

.hours-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.hours-item h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 18px;
    margin-bottom: 10px;
}

.hours-detail {
    color: var(--text-secondary);
    font-size: 14px;
}

.contact-quick-links {
    margin-top: 60px;
}

.quick-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.quick-link-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px 25px;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.quick-link-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-5px);
}

.quick-link-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.quick-link-card h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.quick-link-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

@media (max-width: 768px) {
    .contact-page {
        padding: 40px 15px;
    }

    .contact-methods,
    .quick-links-grid {
        grid-template-columns: 1fr;
    }

    .hours-grid {
        grid-template-columns: 1fr;
    }
}

/* 解决方案页面 */
.solutions-section {
    padding: 80px 20px;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.solution-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px 30px;
    transition: all 0.3s ease;
}

.solution-card.featured {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(123, 44, 191, 0.1) 100%);
    border-color: rgba(0, 212, 255, 0.3);
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(0, 212, 255, 0.3);
}

.solution-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.solution-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.solution-desc {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.solution-details h4 {
    font-size: 16px;
    margin: 20px 0 10px;
    color: var(--primary);
}

.solution-details ul {
    list-style: none;
    margin: 10px 0;
}

.solution-details li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    color: var(--text-secondary);
}

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

.cert-recommendation {
    background: rgba(0, 212, 255, 0.1);
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.cert-type {
    font-family: 'Orbitron', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-right: 15px;
}

.cert-reason {
    color: var(--text-secondary);
}

.why-dssl {
    margin-top: 80px;
    padding: 60px 40px;
    background: linear-gradient(135deg, rgba(123, 44, 191, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);
    border-radius: 20px;
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.reason-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 15px;
}

.reason-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    margin-bottom: 15px;
}

.reason-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
}

.reason-item p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .solutions-section {
        padding: 40px 15px;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .why-dssl {
        padding: 40px 20px;
    }

    .reasons-grid {
        grid-template-columns: 1fr;
    }
}