@charset "utf-8";

/* ==================================================
   bcom-under.css
   内页用布局：under_top / pankuzu / main layout
   依赖：bcom-base.css
   使用范围示例：
   - <body class="bcom-body">
   - <div class="bcom-under-top">...</div>      // 页头视觉
   - <nav class="bcom-breadcrumb">...</nav>    // 面包屑
   - <main class="bcom-under-main">...</main>  // 内页主体
   ================================================== */


/* ========== 1. 内页头图区域（under_top） ========== */
/* 整块区域，可以加背景图片或渐变 */

.bcom-under-top {
    position: relative;
    padding: 80px 0;
    background-color: #1A7488; /* 深蓝绿主色 */
    color: #FFFFFF;
    overflow: hidden;
}

.bcom-under-top--soft {
    background: linear-gradient(135deg, #1A7488 0%, #82CDDD 60%, #F5FAFC 100%);
}

.bcom-under-top--image {
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

/* 半透明遮罩，方便叠图片 */

.bcom-under-top::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
            135deg,
            rgba(0, 0, 0, 0.35) 0%,
            rgba(0, 0, 0, 0.10) 40%,
            rgba(0, 0, 0, 0.0) 100%
    );
    pointer-events: none;
}

.bcom-under-top-inner {
    position: relative;
    z-index: 1;
}

/* 用 .bcom-container 包装即可 */
.bcom-under-top .bcom-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* 标题区 */

.bcom-under-top-label {
    display: inline-block;
    margin-bottom: 12px;
    padding: 0.4rem 1.6rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    font-size: 1.2rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.bcom-under-top-title {
    font-size: 3.0rem;
    line-height: 1.5;
    letter-spacing: 0.20em;
    font-weight: 600;
    margin-bottom: 12px;
}

.bcom-under-top-title .bcom-under-top-title-sub {
    display: block;
    font-size: 1.6rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    margin-top: 4px;
}

.bcom-under-top-desc {
    font-size: 1.4rem;
    line-height: 2.1;
    margin-top: 12px;
    max-width: 640px;
}

/* 内页头图右侧可以放小插图/图标 */

.bcom-under-top-layout {
    display: flex;
    align-items: center;
    gap: 40px;
}

.bcom-under-top-main {
    flex: 1 1 auto;
    min-width: 0;
}

.bcom-under-top-visual {
    flex: 0 0 280px;
}

.bcom-under-top-visual img {
    max-width: 100%;
    height: auto;
}

/* 响应式 */

@media (max-width: 1024px) {
    .bcom-under-top {
        padding: 60px 0;
    }
}

@media (max-width: 767px) {
    .bcom-under-top {
        padding: 40px 0 36px;
    }
    .bcom-under-top-layout {
        flex-direction: column;
        align-items: flex-start;
    }
    .bcom-under-top-title {
        font-size: 2.4rem;
    }
    .bcom-under-top-desc {
        font-size: 1.3rem;
    }
    .bcom-under-top-visual {
        width: 60%;
    }
}


/* ========== 2. 面包屑（pankuzu） ========== */

.bcom-breadcrumb {
    background-color: #F5FAFC;
    font-size: 1.2rem;
    color: #726048;
}

.bcom-breadcrumb-inner {
    padding: 10px 0;
}

/* 列表结构：
   <nav class="bcom-breadcrumb">
     <div class="bcom-container bcom-breadcrumb-inner">
       <ol class="bcom-breadcrumb-list">
         <li class="bcom-breadcrumb-item"><a href="/">ホーム</a></li>
         <li class="bcom-breadcrumb-item">よくあるご質問</li>
       </ol>
     </div>
   </nav>
*/

.bcom-breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    margin: 0;
    padding: 0;
}

.bcom-breadcrumb-item {
    display: inline-flex;
    align-items: center;
    list-style: none;
    max-width: 100%;
}

.bcom-breadcrumb-item a {
    color: inherit;
    text-decoration: none;
}

.bcom-breadcrumb-item a:hover {
    opacity: 0.7;
}

/* 分隔符 ">" */

.bcom-breadcrumb-item + .bcom-breadcrumb-item::before {
    content: ">";
    display: inline-block;
    margin: 0 6px;
    color: #B3A38C;
    font-size: 1.1rem;
}

.bcom-breadcrumb-item--current {
    color: #170C03;
    font-weight: 600;
}

/* 手机上压缩高度 */

@media (max-width: 767px) {
    .bcom-breadcrumb-inner {
        padding: 8px 0;
    }
}


/* ========== 3. 内页主体布局（basic 容器） ========== */

/* 整个内页 main 区域 */

.bcom-under-main {
    padding: 80px 0 120px;
    background-color: #FDFDFD;
}

/* 页面顶部总标题（在内页正文用） */

.bcom-under-heading {
    margin-bottom: 40px;
}

.bcom-under-heading-main {
    margin-bottom: 8px;
    font-size: 2.4rem;
    line-height: 1.5;
    letter-spacing: 0.18em;
    color: #170C03;
}

.bcom-under-heading-sub {
    font-size: 1.3rem;
    color: #726048;
    letter-spacing: 0.20em;
    text-transform: uppercase;
}

.bcom-under-heading-desc {
    margin-top: 12px;
    font-size: 1.4rem;
    color: #555555;
}

/* 通用正文段落排版 */

.bcom-under-body {
    font-size: 1.4rem;
    line-height: 2.1;
}

.bcom-under-body p {
    margin-bottom: 1.2em;
}

.bcom-under-body a {
    color: #35ADD3;
}

.bcom-under-body a:hover {
    opacity: 0.7;
}

/* 内页布局：主内容 + 侧栏 */

.bcom-under-layout {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 40px;
}

.bcom-under-content {
    flex: 1 1 auto;
    min-width: 0;
}

.bcom-under-sidebar {
    flex: 0 0 280px;
}

/* 侧栏卡片（比如 QA 分类、联系方式、小菜单） */

.bcom-under-sidebar-box {
    background-color: #FFFFFF;
    border-radius: 16px;
    padding: 20px 24px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
    margin-bottom: 16px;
}

.bcom-under-sidebar-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: 0.1em;
}

/* 响应式把侧栏放到下方 */

@media (max-width: 1024px) {
    .bcom-under-main {
        padding: 60px 0 80px;
    }
}

@media (max-width: 767px) {
    .bcom-under-main {
        padding: 40px 0 60px;
    }
    .bcom-under-layout {
        flex-direction: column;
        gap: 32px;
    }
    .bcom-under-sidebar {
        flex: 1 1 auto;
        width: 100%;
    }
}


/* ========== 4. 内页内容块（block） ========== */
/* 用于内页里的“卡片型 section”，比如价格说明、流程说明等 */

.bcom-under-block {
    background-color: #FFFFFF;
    border-radius: 16px;
    padding: 32px 32px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
    margin-bottom: 32px;
}

.bcom-under-block--soft {
    background-color: #F5FAFC;
}

.bcom-under-block--border {
    border: 1px solid #E2C59F;
    box-shadow: none;
}

.bcom-under-block-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.10em;
    color: #170C03;
}

.bcom-under-block-title-sub {
    display: block;
    font-size: 1.2rem;
    color: #8B8B8B;
    margin-top: 4px;
}

.bcom-under-block-body {
    font-size: 1.4rem;
    line-height: 2.0;
}

.bcom-under-block-body p {
    margin-bottom: 1.0em;
}

/* block 中的分割线 */

.bcom-under-block-divider {
    border-top: 1px solid #E2C59F;
    margin: 20px 0;
}

/* 手机上缩小 padding */

@media (max-width: 767px) {
    .bcom-under-block {
        padding: 24px 20px;
    }
}


/* ========== 5. 简易分页 / 子导航（可选） ========== */
/* 如果你的内页有 tab 栏或小导航，可以复用这一套 */

.bcom-under-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.bcom-under-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.6rem;
    border-radius: 999px;
    border: 1px solid #E2C59F;
    background-color: #FFFFFF;
    font-size: 1.3rem;
    letter-spacing: 0.08em;
    color: #170C03;
    cursor: pointer;
    text-decoration: none;
    transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

.bcom-under-tab:hover {
    background-color: #F5FAFC;
}

.bcom-under-tab--active {
    background-color: #1A7488;
    border-color: #1A7488;
    color: #FFFFFF;
}

/* 手机时让 tabs 换行撑满 */

@media (max-width: 767px) {
    .bcom-under-tab {
        flex: 1 1 auto;
        justify-content: center;
    }
}
