/* 修复样式冲突问题 */
/* 全局样式 */
body {
    font-family: "SF Pro Text", "SF Pro Icons", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 22px;
    line-height: 1.5;
    color: #333;
    background-color: #fff;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

/* 重置Bootstrap样式 */
.container {
    width: 100%;
    max-width: 1280px;
    padding: 0 30px;
}

/* 导航栏样式 - 苹果风格 */
#header, #header-top {
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

#header-top {
    display: none;
}

#header {
    top: 0;
    position: fixed;
}

.navbar {
    background: transparent !important;
    box-shadow: none !important;
    padding: 0;
    min-height: 80px;
}

.navbar-default {
    border: none;
}

.navbar-brand {
    height: auto;
    padding: 10px 0;
}

.logo img {
    height: 60px;
    margin: 10px 0;
}

.navbar-default .navbar-nav > li > a {
    font-size: 20px;
    font-weight: 500;
    color: #000;
    padding: 30px 25px;
    letter-spacing: -0.01em;
}

.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus {
    color: #2563eb;
    background-color: transparent;
}

.navbar-nav {
    margin-top: 10px;
}

/* 头部用户操作区 */
.header-top-left, .header-top-right {
    display: flex;
    align-items: center;
}

.header-top-right ul {
    display: flex;
    margin: 0;
    padding: 0;
}

.header-top-contact a {
    font-size: 14px;
    padding: 0 15px;
    color: #333;
}

/* 顶部区域样式 */
.top-area {
    background: linear-gradient(135deg, #1a237e, #283593);
    padding: 220px 0 180px;
    color: white;
    text-align: center;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.top-area:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none"/><path d="M0,50 L100,50 M50,0 L50,100" stroke="rgba(255,255,255,0.05)" stroke-width="1" stroke-dasharray="5,5"/></svg>');
    background-size: 50px 50px;
}

/* 添加科技感粒子和网格效果 */
.top-area:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px),
        radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 30px 30px, 90px 90px;
    background-position: 0 0, 15px 15px;
    animation: backgroundMove 60s linear infinite;
}

@keyframes backgroundMove {
    0% { background-position: 0 0, 15px 15px; }
    100% { background-position: 1000px 1000px, 1015px 1015px; }
}

/* 添加浮动小圆点效果 */
.top-area .floating-dots {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
}

.floating-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    animation: float 15s infinite ease-in-out;
}

.floating-dot:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-dot:nth-child(2) {
    top: 50%;
    left: 20%;
    animation-delay: 2s;
}

.floating-dot:nth-child(3) {
    top: 30%;
    left: 85%;
    animation-delay: 4s;
}

.floating-dot:nth-child(4) {
    top: 70%;
    left: 80%;
    animation-delay: 6s;
}

.floating-dot:nth-child(5) {
    top: 15%;
    left: 60%;
    animation-delay: 8s;
}

.floating-dot:nth-child(6) {
    top: 75%;
    left: 30%;
    animation-delay: 10s;
}

@keyframes float {
    0% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(0) translateX(20px); }
    75% { transform: translateY(20px) translateX(10px); }
    100% { transform: translateY(0) translateX(0); }
}

.banner-text h2 {
    font-size: 72px;
    font-weight: 800;
    margin-bottom: 30px;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
    position: relative;
    z-index: 2;
}

.banner-text p {
    font-size: 32px;
    font-weight: 400;
    margin-bottom: 50px;
    color: rgba(255, 255, 255, 0.95);
    position: relative;
    z-index: 2;
}

.banner-btn .btn {
    padding: 18px 45px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 22px;
    margin: 0 15px;
    transition: all 0.3s ease;
    letter-spacing: -0.01em;
    position: relative;
    z-index: 2;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.btn-primary {
    background: white;
    color: #1a237e;
    border: none;
}

.btn-primary:hover {
    background: rgba(255,255,255,0.9);
    color: #1a237e;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.btn-default {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: none;
    backdrop-filter: blur(10px);
}

.btn-default:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* 工具和资源卡片样式 */
.section-padding {
    padding: 140px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 90px;
}

.section-header h2 {
    font-size: 56px;
    font-weight: 800;
    color: #000;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
    letter-spacing: -0.02em;
}

.section-header h2:after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: #2c5ae9;
    margin: 15px auto 0;
    border-radius: 2px;
}

.section-header p {
    font-size: 24px;
    color: #666;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: -0.01em;
}

.single-tool, .single-resource {
    background: white;
    border-radius: 24px;
    padding: 50px;
    margin-bottom: 50px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.07);
    transition: all 0.4s ease;
    height: 100%;
    border: none;
    position: relative;
    overflow: hidden;
}

.single-tool:hover, .single-resource:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.1);
}

.tool-icon, .resource-icon {
    width: 90px;
    height: 90px;
    background: #f0f4ff;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 35px;
    transition: all 0.3s ease;
}

.single-tool:hover .tool-icon, .single-resource:hover .resource-icon {
    transform: scale(1.05);
    background: #eef1ff;
}

.tool-icon i, .resource-icon i {
    font-size: 42px;
    color: #2c5ae9;
}

.single-tool h3, .single-resource h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 30px;
    color: #111;
    letter-spacing: -0.01em;
}

.single-tool ul, .single-resource ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.single-tool ul li, .single-resource ul li {
    margin-bottom: 35px;
    border-bottom: 1px solid #f5f5f7;
    padding-bottom: 35px;
    transition: all 0.3s ease;
}

.single-tool ul li:last-child, .single-resource ul li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.tool-link, .resource-link {
    display: block;
}

.tool-link a, .resource-link a {
    color: #000;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 28px;
    font-weight: 700;
    display: block;
    margin-bottom: 15px;
    letter-spacing: -0.01em;
}

.tool-link a:before, .resource-link a:before {
    content: '';
    display: none;
}

.tool-link a:hover, .resource-link a:hover {
    color: #2c5ae9;
}

.tool-description, .resource-description {
    font-size: 20px;
    color: #555;
    line-height: 1.6;
    margin-top: 8px;
    margin-left: 0;
    letter-spacing: -0.01em;
}

/* 页脚样式 */
.footer {
    background: #f5f5f7;
    padding: 60px 0;
    margin-top: 0;
    color: #666;
}

.footer-text p {
    margin: 0;
    font-size: 16px;
    color: #999;
}

.bg-light {
    background-color: #f8fafc !important;
}

/* 修复响应式问题 */
@media (max-width: 992px) {
    .banner-text h2 {
        font-size: 56px;
    }
    
    .section-header h2 {
        font-size: 42px;
    }
    
    .tool-link a, .resource-link a {
        font-size: 26px;
    }
}

@media (max-width: 768px) {
    #header {
        top: 0;
    }
    
    #header-top {
        display: none;
    }
    
    .top-area {
        margin-top: 70px;
        padding: 140px 0 120px;
    }
    
    .banner-text h2 {
        font-size: 42px;
    }
    
    .banner-text p {
        font-size: 22px;
    }
    
    .banner-btn .btn {
        display: block;
        margin: 15px auto;
        max-width: 300px;
        font-size: 20px;
        padding: 16px 30px;
    }
    
    .section-header h2 {
        font-size: 36px;
    }
    
    .single-tool h3, .single-resource h3 {
        font-size: 28px;
    }
    
    .tool-link a, .resource-link a {
        font-size: 24px;
    }
    
    .tool-description, .resource-description {
        font-size: 18px;
    }
}