/* ===== 全局样式 ===== */
:root {
    --primary-color: #0d3a7c;
    --secondary-color: #1a5ca8;
    --accent-color: #2d7fd3;
    --light-bg: #f0f7ff;
    --dark-bg: #092247;
}

body {
    background-color: #fcfcfc;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    color: #333;
    line-height: 1.7;
    overflow-x: hidden;
}

/* 主题蓝色 */
.theme-bg {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.theme-bg-light {
    background-color: var(--light-bg);
}

.theme-bg-dark {
    background-color: var(--dark-bg);
    color: white;
}

.theme-color {
    color: var(--primary-color);
}

.section-title {
    position: relative;
    padding-bottom: 20px;
    margin-bottom: 40px;
    text-align: center;
    font-weight: 700;
    font-size: 32px;
    color: var(--primary-color);
}

    .section-title:after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 100px;
        height: 4px;
        background: var(--accent-color);
        border-radius: 2px;
    }

.section-padding {
    padding: 80px 0;
}

/* ===== 头部横幅 ===== */
.hero-section {
    background: linear-gradient(120deg, rgba(13, 58, 124, 0.9) 0%, rgba(26, 92, 168, 0.9) 100%), 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="%231a5ca8"/><path d="M0 0L100 100M100 0L0 100" stroke="%230d3a7c" stroke-width="1"/></svg>');
    background-size: cover;
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

    .hero-section:before {
        content: "";
        position: absolute;
        bottom: -10px;
        left: 0;
        right: 0;
        height: 30px;
        background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 100"><path fill="%23fcfcfc" d="M0,64L48,69.3C96,75,192,85,288,80C384,75,480,53,576,48C672,43,768,53,864,64C960,75,1056,85,1152,80C1248,75,1344,53,1392,42.7L1440,32L1440,100L1392,100C1344,100,1248,100,1152,100C1056,100,960,100,864,100C768,100,672,100,576,100C480,100,384,100,288,100C192,100,96,100,48,100L0,100Z"></path></svg>');
        background-size: cover;
        background-position: bottom;
        z-index: 2;
    }

    .hero-section h1 {
        font-size: 42px;
        font-weight: 700;
        margin-bottom: 20px;
        text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }

    .hero-section .lead {
        font-size: 20px;
        max-width: 700px;
        margin: 0 auto 40px;
        opacity: 0.9;
    }

/* ===== 统计卡片 ===== */
.stat-box {
    text-align: center;
    padding: 30px 15px;
    position: relative;
    z-index: 1;
}

    .stat-box:before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.15);
        border-radius: 10px;
        z-index: -1;
        transform: scale(0.95);
        transition: all 0.3s ease;
    }

    .stat-box:hover:before {
        transform: scale(1);
        background: rgba(255, 255, 255, 0.25);
    }

.stat-number {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 10px;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.stat-box div:last-child {
    font-size: 18px;
    opacity: 0.85;
}

/* ===== 专家卡片 ===== */
.expert-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(13, 58, 124, 0.08);
    padding: 25px;
    margin-bottom: 30px;
    transition: all 0.4s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
    border: 1px solid #e8f0fe;
}

    .expert-card:before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: var(--accent-color);
        transition: all 0.4s ease;
        transform: scaleX(0);
        transform-origin: left;
    }

    .expert-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 40px rgba(13, 58, 124, 0.15);
    }

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

.expert-card2 p {
    color: #333;
}
.expert-card-xingshi{
    min-height:360px;
}
.expert-card-hegui{
    min-height:350px;
}
.case-study{
    min-height:480px;
}

.case-study .expert-field{
    color:#fff;
}
.expert-card-jiabin{
    min-height:195px;
}
.expert-card-jiabin .expert-field{
    color:#fff;
}

.expert-field {
    display: inline-block;
    background: rgba(13, 58, 124, 1);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 15px;
    font-weight: 600;
}

.expert-name {
    font-weight: 700;
    margin-bottom: 10px;
    font-size: 20px;
    color: var(--primary-color);
}

.expert-card-yingyong{
    min-height:365px;
}
/* ===== 流程步骤 ===== */
.process-step {
    text-align: center;
    padding: 30px 20px;
    position: relative;
}

.step-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 36px;
    color: white;
    box-shadow: 0 10px 20px rgba(13, 58, 124, 0.2);
    transition: all 0.3s ease;
}

.process-step:hover .step-icon {
    transform: scale(1.1);
    box-shadow: 0 12px 25px rgba(13, 58, 124, 0.3);
}

.process-step h3 {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.process-step p {
    color: #555;
}

.step-arrow {
    position: absolute;
    top: 50%;
    right: -40px;
    transform: translateY(-50%);
    font-size: 36px;
    color: var(--accent-color);
    opacity: 0.7;
}

/* ===== 案例研究 ===== */
.case-study {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(13, 58, 124, 0.08);
    margin-bottom: 30px;
    height: 100%;
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s ease;
}

    .case-study:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 40px rgba(13, 58, 124, 0.15);
    }

    .case-study h3 {
        color: var(--primary-color);
        font-weight: 700;
        margin-bottom: 20px;
    }

/* ===== 联系我们 ===== */
.contact-box {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 20px 50px rgba(13, 58, 124, 0.15);
    text-align: center;
    position: relative;
    overflow: hidden;
}

    .contact-box:before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 8px;
        background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    }

.qrcode-container {
    background: white;
    padding: 20px;
    border-radius: 10px;
    display: inline-block;
    margin-top: 20px;
    box-shadow: 0 8px 20px rgba(13, 58, 124, 0.1);
    border: 1px solid #e8f0fe;
}

.qrcode-placeholder {
    width: 160px;
    height: 160px;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 14px;
    text-align: center;
    border-radius: 8px;
}

/* ===== 导航栏 ===== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 5px 20px rgba(13, 58, 124, 0.1);
    border: none;
    transition: all 0.4s ease;
}

    .navbar.scrolled {
        background: white;
        box-shadow: 0 5px 25px rgba(13, 58, 124, 0.15);
        padding: 5px 0;
    }

.navbar-brand {
    font-weight: 700;
    font-size: 22px;
    color: var(--primary-color) !important;
    display: flex;
    align-items: center;
}

.navbar-nav > li > a {
    color: #444 !important;
    font-weight: 600;
    padding: 25px 15px !important;
    position: relative;
    transition: all 0.3s ease;
}

    .navbar-nav > li > a:after {
        content: "";
        position: absolute;
        bottom: 15px;
        left: 15px;
        right: 15px;
        height: 3px;
        background: var(--accent-color);
        transform: scaleX(0);
        transition: transform 0.3s ease;
    }

    .navbar-nav > li > a:hover,
    .navbar-nav > li.active > a {
        color: var(--primary-color) !important;
    }

        .navbar-nav > li > a:hover:after,
        .navbar-nav > li.active > a:after {
            transform: scaleX(1);
        }

/* ===== 响应式调整 ===== */
@media (max-width: 992px) {
    .hero-section {
        padding: 100px 0 60px;
    }

        .hero-section h1 {
            font-size: 36px;
        }

    .section-padding {
        padding: 60px 0;
    }

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

    .step-arrow {
        display: none;
    }

    .navbar-nav > li > a {
        padding: 10px 15px !important;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 80px 0 50px;
    }

        .hero-section h1 {
            font-size: 30px;
        }

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

    .stat-number {
        font-size: 36px;
    }

    .process-step {
        padding: 20px 15px;
    }

    .step-icon {
        width: 70px;
        height: 70px;
        font-size: 28px;
    }
}

/* ===== 动画效果 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate {
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

.delay-4 {
    animation-delay: 0.4s;
}

.delay-5 {
    animation-delay: 0.5s;
}