/* ============================================================
   听心视频 APP · Download Page (FINAL v33)
   超干净 · App Store 风格 · 自动亮暗色
============================================================ */

/* ====== 全局颜色变量（亮色 / 暗色自动适配） ====== */

:root {
    --dl-bg: #ffffff;
    --dl-section-bg: #ffffff;
    --dl-title: #111;
    --dl-text: #555;
    --dl-text-light: #888;
    --dl-accent: #0a84ff;
    --dl-shadow: 0 6px 26px rgba(0,0,0,0.06);
}

html.dark {
    --dl-bg: #121212;
    --dl-section-bg: #1e1e1e;
    --dl-title: #ffffff;
    --dl-text: #cccccc;
    --dl-text-light: #999;
    --dl-accent: #4099ff;
    --dl-shadow: 0 6px 26px rgba(0,0,0,0.25);
}

/* 页面主容器 */
.page-main {
    background: var(--dl-bg);
    transition: 0.25s;
}


/* ============================================================
   顶部下载卡片
============================================================ */

.dl-wrap {
    max-width: 620px;
    margin: 32px auto 26px;
    padding: 32px 24px 34px;
    background: var(--dl-section-bg);
    border-radius: 24px;
    box-shadow: var(--dl-shadow);
    text-align: center;
    transition: 0.25s;
}

/* APP 图标 */
.dl-appicon {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.dl-appicon img {
    width: 92px;
    height: 92px;
    border-radius: 22px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}

/* 标题 */
.dl-title {
    font-size: 24px !important;
    font-weight: 800 !important;
    color: var(--dl-title);
    margin: 0;
    line-height: 1.2;
}

/* 副标题 */
.dl-sub {
    margin-top: 12px;
    font-size: 15px;
    line-height: 1.55;
    color: var(--dl-text);
}

/* 按钮通用 */
.dl-btn {
    display: block;
    width: 100%;
    padding: 14px 0;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 600;
    margin-top: 14px;
    text-decoration: none;
    transition: 0.25s;
}

/* 主按钮（蓝色） */
.dl-btn-primary {
    background: var(--dl-accent);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0,122,255,0.25);
}

.dl-btn-primary:hover {
    background: #006fe8;
}

/* 返回首页（绿色） */
.dl-btn-green {
    background: #4cd964;
    color: #fff;
}

.dl-btn-green:hover {
    background: #34c759;
}

/* 底部说明 */
.dl-note {
    font-size: 13px !important;
    margin-top: 12px;
    color: var(--dl-text-light);
}


/* ============================================================
   下方的 dl-section（适合场景 / FAQ / 安装说明）
============================================================ */

.dl-section {
    background: var(--dl-section-bg);
    border-radius: 18px;
    padding: 22px 20px;
    margin: 18px 0;
    box-shadow: var(--dl-shadow);
    transition: 0.25s;
}

/* 标题 */
.dl-section-title {
    font-size: 20px !important;
    font-weight: 700 !important;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    color: var(--dl-title);
}

.dl-section-title img {
    width: 22px;
    height: 22px;
}

/* 列表 */
.dl-section ul {
    padding: 0;
    margin: 0;
    list-style: none;
}

.dl-section ul li {
    font-size: 15px;
    color: var(--dl-text);
    padding-left: 18px;
    position: relative;
    line-height: 1.6;
    margin-bottom: 10px;
}

.dl-section ul li::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--dl-accent);
    position: absolute;
    left: 0;
    top: 9px;
    border-radius: 50%;
}


/* ============================================================
   FAQ（点击展开）
============================================================ */

.faq-q {
    cursor: pointer;
    font-weight: 600;
    color: var(--dl-title);
    padding: 6px 0;
}

.faq-a {
    display: none;
    font-size: 14px;
    line-height: 1.55;
    color: var(--dl-text);
    padding: 6px 0 6px 10px;
    border-left: 3px solid var(--dl-accent);
    margin-bottom: 10px;
}

.faq-a.open {
    display: block;
}


/* ============================================================
   下载页底部
============================================================ */

.download-footer {
    text-align: center;
    font-size: 14px;
    padding: 20px 0 40px;
    color: var(--dl-text-light);
}
#txsp-fold-content { display: none; }
#txsp-fold-content.open { display: block; }