/* ------------ 卡片设计（新版 iOS 风格） ------------ */
.card-app {
    border-radius: 20px;
    padding: 22px;
    background: linear-gradient(145deg, #ffffff, #f5f7fa); /* 浅渐变 */
    border: 1px solid #e9ecef;
    transition: all .25s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.04);
}

/* hover 动画 */
.card-app:hover {
    background: #f7faff;   /* 柔和的淡蓝白 */
    transform: translateY(-6px);
    box-shadow: 0 14px 30px rgba(0,0,0,0.08);
    border-color: #d6dbe0;
}

/* -------- icon 区域 -------- */
.app-icon-box {
    width: 72px;
    height: 72px;
    border-radius: 22px;
    background: rgba(13, 110, 253, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    transition: .25s;
}

.card-app:hover .app-icon-box {
    transform: scale(1.08);
    background: rgba(13, 110, 253, 0.15);
}

/* icon */
.app-icon {
    font-size: 42px;
    color: #0d6efd;
}

/* 标题 */
.app-title {
    font-size: 18px;
    font-weight: 600;
    color: #212529;
}

/* 路径 */
.app-path {
    color: #6c757d;
    font-size: 14px;
    margin-bottom: 20px;
}

/* ------------ ripple 按钮 ------------ */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: "";
    position: absolute;
    background: rgba(255,255,255,0.6);
    width: 0;
    height: 0;
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    opacity: 0;
}

.ripple:active::after {
    width: 200px;
    height: 200px;
    opacity: 1;
    transition: width .4s ease, height .4s ease, opacity .8s ease;
}

/* .btn-primary {
    background: #e8f0ff !important;
    border-color: #d4e3ff !important;
    color: #0d6efd !important;
} */

.btn-primary {
  --bs-btn-color: #0d6efd;
  --bs-btn-bg: #e8f0ff;
  --bs-btn-border-color: #d4e3ff;

  --bs-btn-hover-color: #0b5ed7;
  --bs-btn-hover-bg: #d7e5ff;
  --bs-btn-hover-border-color: #c6d8ff;

  --bs-btn-active-color: #0a58ca;
  --bs-btn-active-bg: #cfe0ff;
  --bs-btn-active-border-color: #b6ccff;
}

.btn-primary:hover {
    background: #d7e5ff !important;
}

/* ------------ 移动端适配 ------------ */
@media (max-width: 576px) {
    .card-app {
        padding: 16px;
        border-radius: 16px;
    }

    .app-icon-box {
        width: 60px;
        height: 60px;
        border-radius: 18px;
    }

    .app-icon {
        font-size: 34px;
    }

    .app-title {
        font-size: 16px;
    }

    .app-path {
        font-size: 13px;
    }
}