@tailwind base;
@tailwind components;
@tailwind utilities;

@layer utilities {
    .content-auto {
        content-visibility: auto;
    }

    .faq-item-border {
        @apply border border-gray-100 rounded-xl overflow-hidden bg-white;
    }

    .faq-btn {
        @apply w-full flex justify-between items-center p-4 text-left hover:bg-gray-50 transition-colors;
    }

    .faq-content {
        @apply px-4 pb-4 text-gray-600 text-sm;
    }

    .tab-active {
        @apply bg-primary text-white border-primary;
    }

    .tab-normal {
        @apply bg-white text-gray-600 border-gray-200 transition-colors;
    }

    .tab-normal:hover {
        @apply border-primary text-primary;
    }

    .text-primary {
        color: #0040A0;
    }

    .bg-primary {
        background-color: #0040A0;
    }

    .border-primary {
        border-color: #0040A0;
    }

    .ring-primary {
        --tw-ring-color: #0040A0;
    }
}

/* 全局基础 */
body {
    font-family: sans-serif;
    color: #374151;
    background-color: #ffffff;
}

/* 自定义主色变量，全站统一 #0040A0 */
:root {
    /* 品牌主色 */
    --color-primary: #0040A0;

    /* 品牌衍生色 */
    --brand-dark: #0A2540;
    --brand-light: #0040A0;
    --bg-gradient: linear-gradient(135deg, #0040A0 0%, #1458C2 100%);

    /* 边框 / 分割线（和证书、卡片统一） */
    --border-color: #E2EBFF;

    /* 文本色系 */
    --text-main: #1f2937;
    --text-regular: #4b5563;
    --text-placeholder: #888888;

    /* 背景色系 */
    --bg-page: #f7faff;
    --bg-card: #ffffff;

    /* 阴影 */
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.04);
    --shadow-focus: 0 4px 20px rgba(0, 64, 160, 0.15);
}


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

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

.hover\:bg-primary\/90:hover {
    background-color: rgba(0, 64, 160, 0.9);
}

/* 标签、分页按钮公共组件样式 */
.btn-active {
    background-color: #0040A0;
    color: #fff;
    border: 1px solid #0040A0;
}

.btn-normal {
    background-color: #fff;
    color: #4b5563;
    border: 1px solid #e5e7eb;
}

.btn-normal:hover {
    border-color: #0040A0;
    color: #0040A0;
}


.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 9999px;
    background-color: #D9D9D9;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    padding: 0;
    outline: none;
}

.carousel-dot:hover {
    background-color: #b8b8b8;
}

.carousel-dot.active {
    background-color: #0040A0;
    width: 22px;
}

.img-fade {
    transition: opacity 0.6s ease-in-out;
}

/* 网格背景，放大一倍，线条淡化若隐若现 */
.bg-grid {
    background-color: #F5F7FA;
    background-image: linear-gradient(#F2F4F8 1px, transparent 1px),
        linear-gradient(90deg, #F2F4F8 1px, transparent 1px);
    background-size: 56px 56px;
}

.bg-tag-blue {
    background-color: #EEF4FE;
}

.bg-section {
    background-color: #F7FAFF;
}

.h2-size {
    font-size: 1.4rem;
}

.bg-section .bg-round {
    background-color: #0047AB;
}