/* 基础重置与变量 */
:root {
    --primary-color: #2b70f6;
    --text-main: #333333;
    --text-light: #666666;
    --bg-main: #f8fafe;
    --bg-white: #ffffff;
    --panel-gradient: linear-gradient(180deg, #e3f0ff 0%, #cce0ff 100%);
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 16px rgba(43, 112, 246, 0.08);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
}

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

/* 区块通用样式 */
.section {
    padding: 60px 0;
}

.bg-light {
    background-color: #ffffff;
    margin: 0 -20px;
    padding: 60px 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 140px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    font-weight: bold;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.section-header .subtitle {
    font-size: 16px;
    font-weight: 500;
    color: #999;
    text-transform: uppercase;
    /* letter-spacing: 2px; */
    margin-bottom: 45px;
}

.section-header .desc {
    max-width: 1200px;
    margin: 0 auto;
    font-size: 18px;
    font-weight: 700;
    color: rgba(15, 143, 255, 1);
    line-height: 1.8;
}

/* 网格布局 */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    position: relative;
    z-index: 5;
}

/* 卡片样式 */
.card {
    border-radius: 20px;
    /* background: rgba(232, 239, 251, 1); */
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    display: flex;
    align-items: start;
    width: 100%;
    height: 268px;
}

.cards {
    position: relative;
    border-radius: 20px;
    background: rgba(232, 239, 251, 1);
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    display: flex;
    align-items: start;
    width: 100%;
    height: 228px;
}

.section-card {
    display: flex;
    flex-flow: column;
    justify-content: center;
    align-items: center;
}

.section-card-p {
    text-align: center !important;
}

.card:hover {
    transform: translateY(-5px);
}

.card h3 {
    font-size: 24px;
    font-weight: 700;
    margin: 15px 0 20px;
}

.cards p {
    font-size: 18px;
    font-weight: 400;
    color: rgba(166, 166, 166, 1);
    text-align: left;
}

.cards:hover {
    transform: translateY(-5px);
}

.cards h3 {
    font-size: 24px;
    font-weight: 700;
    margin: 15px 0 20px;
}

.cards p {
    font-size: 18px;
    font-weight: 400;
    color: rgba(166, 166, 166, 1);
    text-align: left;
}

.spectialimg {
    width: 50px;
    height: 50px;
}

.cards-icon {
    position: absolute;
    top: -6vh;
    right: 0;
    left: 0;
}

.cards-img {
    width: 107px;
    height: 107px;
}

/* 蓝色背景面板 */
.blue-panel {
    position: relative;
    background: var(--panel-gradient);
    border-radius: var(--radius-lg);
    padding: 30px;
    margin-bottom: 30px;
}

.panel-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
    z-index: 1;
}

.panel-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.panel-title {
    text-align: center;
    margin-bottom: 25px;
    font-size: 18px;
    position: relative;
    z-index: 5;
}

.card-small {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    padding: 20px 15px;
    text-align: center;
    opacity: 0.95;
    height: 232px;
}

.card-small h4 {
    font-size: 15px;
    margin: 10px 0 5px;
}

.cards-small p {
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 21.1px;
    color: rgba(166, 166, 166, 1);
    margin-top: 15px;
}

.cards-small {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    padding: 0px 15px;
    text-align: center;
    opacity: 0.95;
    height: 232px;
}

.cards-small h4 {
    font-size: 15px;
    margin: 10px 0 5px;
}

.cards-small p {
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 21.1px;
    color: rgba(166, 166, 166, 1);
    margin-top: 15px;
}

/* 流程图样式 */
.process-flow {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 30px;
}

.process-flow .step {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 16px;
    font-weight: 500;
    color: #000000;
}

.process-flow .step span {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    background: #e3f0ff;
    border-radius: 50%;
    margin-bottom: 8px;
    font-weight: bold;
}

.process-flow .arrow {
    color: #ccc;
    font-size: 20px;
}

.arrows {
    margin-left: 25px;
    margin-right: 25px;
}

.arrows img {
    width: 28px;
    height: 28px;
}

/* 横幅卡片样式 (测评工具) */
.banner-card {
    height: 390px;
    border-radius: 20px;
    background: #ffffff;
    border: 0.5px solid rgba(82, 174, 235, 0.24);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 40px 60px;
    position: relative;
    /* overflow: hidden; */
}

.banner-content {
    flex: 1;
    z-index: 2;
}

.banner-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

.banner-content .banner-sub {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
}

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

.feature-list li {
    width: 399px;
    height: 46px;
    font-size: 16px;
    margin-bottom: 10px;
    color: #000000;
    display: flex;
    align-items: center;
    border-radius: 10px;
    background: rgba(222, 238, 255, 0.33);
}

.featureimg {
    width: 24px;
    height: 24px;
    margin-right: 6px;
    margin-left: 6px;
}

.phone-img {
    width: 371px;
    height: 420px;
}

.btn-primary {
    border-radius: 10px;
    background: linear-gradient(90deg, rgba(10, 130, 242, 1) 0%, rgba(112, 185, 254, 1) 100%);
    color: #fff;
    border: none;
    padding: 12px 30px;
    font-size: 14px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(43, 112, 246, 0.3);
}

.banner-image {
    width: 300px;
    display: flex;
    justify-content: center;
    z-index: 2;
    position: absolute;
    top: -6vh;
    right: 5vw;
}

.phone-mockup {
    /* width: 160px;
    height: 320px;
    background: #fff;
    border: 8px solid #333;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1); */
}

.qr-code {
    width: 100px;
    height: 100px;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #999;
    border: 1px dashed #ccc;
}

/* 服务保障 */
.panel-title {
    text-align: center;
    font-size: 20px;
    font-weight: 700;
}

.service-grid {
    margin-top: 40px;
}

.service-item {
    display: flex;
    flex-flow: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.service-item h4 {
    margin-top: 15px;
    font-size: 20px;
    font-weight: 700;
}

/* 图标占位符 */
.icon-placeholder {
    /* width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #8ab4f8, #4285f4);
    border-radius: 12px;
    margin: 0 auto; */
}

.iconimg {
    width: 37px;
    height: 38px;
}

.icon-placeholder.small {
    margin-top: 38px;
    margin-bottom: 20px;
}

.icon-placeholder.multi {
    background: linear-gradient(135deg, #a8c8f9, #7baaf7);
    box-shadow: 5px 5px 0 #e8f0fe;
}

.icon-placeholder.large {
    display: flex;
    justify-content: center;
    align-items: center;
}

.largeimg {
    width: 119.73px;
    height: 119px;
}

/* 响应式适配 (移动端) */
@media (max-width: 768px) {
    .process-flow {
        flex-flow: column;
    }
    .section {
        padding: 40px 0;
    }

    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .blue-panel {
        padding: 20px;
    }

    .process-flow .arrow {
        display: none;
        /* 移动端隐藏箭头，让步骤自然换行 */
    }

    .process-flow .step {
        width: 30%;
        margin-bottom: 15px;
    }

    .banner-card {
        flex-direction: column;
        padding: 30px 20px;
        text-align: center;
    }

    .banner-content h2 {
        font-size: 20px;
    }

    .feature-list li {
        width: 100%;
        text-align: left;
    }

    .banner-image {
        display: none;
        margin-top: 30px;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .process-flow .step {
        width: 45%;
    }
}