/* 显通网络 - 企业官网样式 */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", sans-serif;
    overflow-x: hidden;
    background: linear-gradient(135deg, #0a1628 0%, #1e3a5f 100%);
    color: white;
    line-height: 1.6;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #3b82f6, #1e40af);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #2563eb, #1e3a8a);
}

/* 网格背景 */
.grid-bg {
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* 文字渐变效果 */
.text-gradient {
    background: linear-gradient(135deg, #3b82f6, #06b6d4, #3b82f6);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textShine 3s linear infinite;
}

@keyframes textShine {
    to {
        background-position: 200% center;
    }
}

/* 导航栏 */
.navbar {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar a {
    transition: all 0.3s ease;
}

.navbar a:hover {
    color: #60a5fa;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
}

.btn-outline {
    border: 2px solid rgba(59, 130, 246, 0.5);
    color: #60a5fa;
}

.btn-outline:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

/* 英雄区域 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 9999px;
    color: #60a5fa;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

/* 统计卡片 */
.stat-card {
    text-align: center;
    padding: 1.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #9ca3af;
    font-size: 0.875rem;
}

/* 服务卡片 */
.service-card {
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 25px 50px -12px rgba(59, 130, 246, 0.25);
}

.service-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.4s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.5));
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: white;
}

.service-card p {
    color: #9ca3af;
    font-size: 0.875rem;
    line-height: 1.6;
}

/* 联系卡片 */
.contact-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 1.5rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-card:hover {
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
}

.contact-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: white;
}

.contact-card a {
    color: #60a5fa;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    transition: color 0.3s ease;
}

.contact-card a:hover {
    color: #3b82f6;
}

/* 页脚 */
footer {
    background: rgba(15, 23, 42, 0.8);
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    padding: 3rem 0;
}

footer a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #60a5fa;
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 4rem;
    right: 0;
    width: 16rem;
    height: 100vh;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 40;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: #d1d5db;
    text-decoration: none;
    transition: all 0.3s ease;
}

.mobile-menu a:hover {
    color: #60a5fa;
    background: rgba(59, 130, 246, 0.1);
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .hero h1 {
        font-size: 2rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero .btn-group {
        flex-direction: column;
        gap: 1rem;
    }
}

/* 容器 */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 2rem;
    }
}

/* 网格系统 */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, 1fr);
}

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

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .lg\:grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .md\:grid-cols-2,
    .md\:grid-cols-4 {
        grid-template-columns: repeat(1, 1fr);
    }

    .lg\:grid-cols-2 {
        grid-template-columns: repeat(1, 1fr);
    }
}

@media (max-width: 640px) {
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: repeat(1, 1fr);
    }
}

/* 间距 */
.section {
    padding: 5rem 0;
}

@media (max-width: 768px) {
    .section {
        padding: 3rem 0;
    }
}

/* 文本对齐 */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* 显示/隐藏 */
.hidden {
    display: none;
}

@media (min-width: 768px) {
    .md\:hidden {
        display: none;
    }

    .md\:flex {
        display: flex;
    }

    .md\:block {
        display: block;
    }
}

@media (min-width: 1024px) {
    .lg\:flex {
        display: flex;
    }

    .lg\:grid {
        display: grid;
    }
}

/* Flexbox */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

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

.justify-between {
    justify-content: space-between;
}

.space-x-3 > * + * {
    margin-left: 0.75rem;
}

.space-x-4 > * + * {
    margin-left: 1rem;
}

.space-x-8 > * + * {
    margin-left: 2rem;
}

.space-y-2 > * + * {
    margin-top: 0.5rem;
}

.space-y-4 > * + * {
    margin-top: 1rem;
}

.gap-4 {
    gap: 1rem;
}

.gap-6 {
    gap: 1.5rem;
}

.gap-8 {
    gap: 2rem;
}

.gap-12 {
    gap: 3rem;
}

/* 边距 */
.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-3 {
    margin-bottom: 0.75rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

.mb-10 {
    margin-bottom: 2.5rem;
}

.mb-12 {
    margin-bottom: 3rem;
}

.mb-16 {
    margin-bottom: 4rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mt-8 {
    margin-top: 2rem;
}

.mt-12 {
    margin-top: 3rem;
}

.py-2 {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.py-3 {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.py-4 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.px-8 {
    padding-left: 2rem;
    padding-right: 2rem;
}

.p-4 {
    padding: 1rem;
}

.p-6 {
    padding: 1.5rem;
}

.p-8 {
    padding: 2rem;
}

/* 字体大小 */
.text-sm {
    font-size: 0.875rem;
}

.text-base {
    font-size: 1rem;
}

.text-lg {
    font-size: 1.125rem;
}

.text-xl {
    font-size: 1.25rem;
}

.text-2xl {
    font-size: 1.5rem;
}

.text-3xl {
    font-size: 1.875rem;
}

.text-4xl {
    font-size: 2.25rem;
}

.text-5xl {
    font-size: 3rem;
}

.text-6xl {
    font-size: 3.75rem;
}

.text-7xl {
    font-size: 4.5rem;
}

@media (max-width: 768px) {
    .md\:text-4xl {
        font-size: 2.25rem;
    }

    .md\:text-5xl {
        font-size: 3rem;
    }

    .md\:text-6xl {
        font-size: 3.75rem;
    }
}

@media (max-width: 640px) {
    .text-4xl {
        font-size: 2rem;
    }

    .text-5xl {
        font-size: 2.5rem;
    }

    .text-6xl {
        font-size: 3rem;
    }

    .text-7xl {
        font-size: 3.5rem;
    }
}

/* 字重 */
.font-medium {
    font-weight: 500;
}

.font-semibold {
    font-weight: 600;
}

.font-bold {
    font-weight: 700;
}

/* 颜色 */
.text-white {
    color: white;
}

.text-gray-300 {
    color: #d1d5db;
}

.text-gray-400 {
    color: #9ca3af;
}

.text-blue-400 {
    color: #60a5fa;
}

.text-blue-500 {
    color: #3b82f6;
}

.text-purple-400 {
    color: #c084fc;
}

.text-pink-400 {
    color: #f472b6;
}

.text-green-400 {
    color: #4ade80;
}

.text-teal-400 {
    color: #2dd4bf;
}

.text-orange-400 {
    color: #fb923c;
}

.text-red-400 {
    color: #f87171;
}

.text-cyan-400 {
    color: #22d3ee;
}

.text-indigo-400 {
    color: #818cf8;
}

.bg-slate-800 {
    background-color: rgba(30, 41, 59, 0.5);
}

.bg-slate-900-50 {
    background-color: rgba(15, 23, 42, 0.5);
}

.bg-blue-500-20 {
    background-color: rgba(59, 130, 246, 0.2);
}

.bg-blue-500-10 {
    background-color: rgba(59, 130, 246, 0.1);
}

/* 渐变背景 */
.bg-gradient-to-br {
    background-image: linear-gradient(to bottom right, var(--from), var(--to));
}

.from-blue-500 {
    --from: #3b82f6;
}

.to-cyan-400 {
    --to: #22d3ee;
}

.from-purple-500 {
    --from: #a855f7;
}

.to-pink-400 {
    --to: #f472b6;
}

.from-green-500 {
    --from: #22c55e;
}

.to-teal-400 {
    --to: #2dd4bf;
}

.from-orange-500 {
    --from: #f97316;
}

.to-red-400 {
    --to: #f87171;
}

.from-cyan-500 {
    --from: #06b6d4;
}

.to-blue-400 {
    --to: #60a5fa;
}

.from-indigo-500 {
    --from: #6366f1;
}

.to-purple-400 {
    --to: #c084fc;
}

/* 圆角 */
.rounded-lg {
    border-radius: 0.5rem;
}

.rounded-xl {
    border-radius: 0.75rem;
}

.rounded-2xl {
    border-radius: 1rem;
}

.rounded-full {
    border-radius: 9999px;
}

/* 边框 */
.border {
    border: 1px solid;
}

.border-slate-700-50 {
    border-color: rgba(51, 65, 85, 0.5);
}

.border-blue-500-50 {
    border-color: rgba(59, 130, 246, 0.5);
}

.border-blue-500-30 {
    border-color: rgba(59, 130, 246, 0.3);
}

/* 定位 */
.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.fixed {
    position: fixed;
}

.inset-0 {
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

.top-0 {
    top: 0;
}

.left-0 {
    left: 0;
}

.right-0 {
    right: 0;
}

.z-10 {
    z-index: 10;
}

.z-40 {
    z-index: 40;
}

.z-50 {
    z-index: 50;
}

/* 尺寸 */
.w-10 {
    width: 2.5rem;
}

.w-14 {
    width: 3.5rem;
}

.w-16 {
    width: 4rem;
}

.w-64 {
    width: 16rem;
}

.h-10 {
    height: 2.5rem;
}

.h-16 {
    height: 4rem;
}

.h-48 {
    height: 12rem;
}

.h-screen {
    height: 100vh;
}

.min-h-screen {
    min-height: 100vh;
}

.max-w-2xl {
    max-width: 42rem;
}

.max-w-3xl {
    max-width: 48rem;
}

.max-w-5xl {
    max-width: 80rem;
}

.max-w-7xl {
    max-width: 80rem;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

/* 其他 */
.inline-block {
    display: inline-block;
}

.shrink-0 {
    flex-shrink: 0;
}

.object-cover {
    object-fit: cover;
}

.select-none {
    user-select: none;
}

/* 图标样式 */
.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    stroke-width: 0;
    stroke: currentColor;
    fill: currentColor;
}

/* 优势列表 */
.advantage-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.advantage-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(59, 130, 246, 0.2);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* 页脚链接组 */
.footer-links a {
    display: block;
    padding: 0.5rem 0;
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #60a5fa;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 加载动画 */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* 弹跳动画 */
@keyframes bounce {
    0%, 100% {
        transform: translateY(-25%);
        animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
    }
    50% {
        transform: translateY(0);
        animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
    }
}

.animate-bounce {
    animation: bounce 1s infinite;
}

/* 过渡效果 */
.transition-all {
    transition: all 0.3s ease;
}

.transition-colors {
    transition: color 0.3s ease, background-color 0.3s ease;
}

/* 悬浮效果 */
.hover\:shadow-lg:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

.hover\:shadow-xl:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

.hover\:translate-y-1:hover {
    transform: translateY(-0.25rem);
}