/* ============================================================
   仿 shasha.website + AdminLTE 侧边栏布局
   桌面端：侧边栏常驻左侧
   移动端：侧边栏滑入 + 遮罩
   汉堡按钮切换折叠/展开
   ============================================================ */

:root {
    --ss-bg: #2B2F33;
    --ss-card-bg: #343A40;
    --ss-card-hover: #3D4248;
    --ss-sidebar-bg: #1E2124;
    --ss-sidebar-w: 250px;
    --ss-header-bg: #000000;
    --ss-header-h: 50px;
    --ss-primary: #0dcaf0;
    --ss-text: #CFCFCF;
    --ss-text-bright: #E4E6EB;
    --ss-text-muted: #8B8F94;
    --ss-border: rgba(255,255,255,0.06);
    --ss-radius: 4px;
}

/* === 全局 === */
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0; padding: 0;
    font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    font-size: 14px; line-height: 1.5;
    color: var(--ss-text);
    background: var(--ss-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
a:not(.btn):hover { color: var(--ss-primary); }
img { max-width: 100%; border: 0; vertical-align: middle; }

/* ============================================
   AdminLTE 布局骨架
   ============================================ */

/* 顶部导航条 - 横跨全屏 */
.ss-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--ss-header-h);
    z-index: 1030;
}
.ss-topbar {
    height: 100%;
    background: var(--ss-header-bg);
    display: flex; align-items: center;
    padding: 0 12px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.ss-toggle-btn {
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    background: none; border: none;
    color: var(--ss-text-bright);
    font-size: 22px; cursor: pointer;
    border-radius: var(--ss-radius);
    flex-shrink: 0;
    margin-right: 8px;
}
.ss-toggle-btn:hover { background: rgba(255,255,255,0.1); }

.ss-brand {
    font-size: 18px; font-weight: 600;
    color: var(--ss-text-bright);
    flex-shrink: 0;
}
.ss-brand:hover { color: var(--ss-primary); }

.ss-topbar-spacer { flex: 1; padding: 0 30px;white-space: nowrap;}
.ss-topbar-spacer a{font-weight: bold;font-size: 15px;color: #aaa !important;margin-right: 10px;}
.ss-topbar-spacer a.active{border-bottom: 2px solid #deb522;color: #ccc !important;padding:0 4px 3px 4px;}

/* 顶栏搜索框 */
.ss-topbar-search {
    display: flex; align-items: center;
    background: rgba(255,255,255,0.08);
    border: 1px solid transparent;
    border-radius: var(--ss-radius);
    overflow: hidden;
    width: 220px;
    flex-shrink: 0;
    transition: all .2s;
}
.ss-topbar-search:hover { background: rgba(255,255,255,0.12); }
.ss-topbar-search:focus-within {
    border-color: var(--ss-primary);
    background: rgba(255,255,255,0.14);
    width: 280px;
}
.ss-topbar-search-input {
    flex: 1; border: none; outline: none;
    background: transparent;
    padding: 7px 12px; font-size: 13px;
    color: var(--ss-text-bright);
    min-width: 0;
}
.ss-topbar-search-input:focus{
    background: #333;
    padding: 10px 12px;
}
.ss-topbar-search-input::placeholder { color: var(--ss-text-muted); }
.ss-topbar-search-btn {
    width: 36px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    border: none; background: none;
    color: var(--ss-text-muted); cursor: pointer;
    font-size: 14px; flex-shrink: 0;
    transition: color .15s;
}
.ss-topbar-search-btn:hover { color: var(--ss-primary); }

.ss-topbar-actions {
    display: flex; align-items: center; gap: 8px;
    flex-shrink: 0;
}

.ss-btn-icon {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: none; border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--ss-radius);
    color: var(--ss-text-bright);
    font-size: 16px; cursor: pointer;
    transition: all .15s;
}
.ss-btn-icon:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--ss-primary);
    color: var(--ss-primary);
}

/* ============================================
   侧边栏
   ============================================ */
.ss-sidebar {
    position: fixed;
    top: var(--ss-header-h);
    left: 0;
    bottom: 0;
    width: var(--ss-sidebar-w);
    background: var(--ss-sidebar-bg);
    z-index: 1020;
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform .3s, width .3s;
    border-right: 1px solid rgba(255,255,255,0.05);
}

/* 侧边栏滚动条美化 */
.ss-sidebar::-webkit-scrollbar { width: 4px; }
.ss-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

.ss-sidebar-brand {
    padding: 16px 20px 12px;
    border-bottom: 1px solid var(--ss-border);
}
.ss-sidebar-brand a {
    font-size: 16px; font-weight: 600;
    color: var(--ss-text-bright);
    display: flex; align-items: center; gap: 8px;
}
.ss-sidebar-brand a:hover { color: var(--ss-primary); }

.ss-sidebar-search { padding: 12px 16px; }

.ss-search-box {
    display: flex; align-items: center;
    background: rgba(255,255,255,0.06);
    border: 1px solid transparent;
    border-radius: var(--ss-radius);
    overflow: hidden;
    transition: all .15s;
}
.ss-search-box:focus-within {
    border-color: var(--ss-primary);
    background: rgba(255,255,255,0.1);
}
.ss-search-input {
    flex: 1; border: none; outline: none;
    background: transparent;
    padding: 7px 12px; font-size: 13px;
    color: var(--ss-text-bright);
}
.ss-search-input::placeholder { color: var(--ss-text-muted); }
.ss-search-submit {
    width: 36px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    border: none; background: none;
    color: var(--ss-text-muted); cursor: pointer;
    font-size: 14px;
}
.ss-search-submit:hover { color: var(--ss-primary); }

/* 导航区域 */
.ss-sidebar-nav { padding: 8px 0; }

.ss-sidebar-label {
    padding: 12px 20px 6px;
    font-size: 11px; font-weight: 600;
    color: var(--ss-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ss-sidebar-item {
    display: flex; align-items: center;
    padding: 10px 20px;
    font-size: 14px; color: var(--ss-text);
    transition: all .15s;
    position: relative;
}
.ss-sidebar-item:hover {
    color: var(--ss-text-bright);
    background: rgba(255,255,255,0.04);
}

.ss-sidebar-item.active {
    color: var(--ss-text-bright);
    background: rgba(13,202,240,0.1);
    border-right: 3px solid var(--ss-primary);
}

.ss-sidebar-arrow {
    font-size: 8px;
    margin-right: 10px;
    color: var(--ss-text-muted);
    transition: transform .2s;
    flex-shrink: 0;
}
.ss-sidebar-item:hover .ss-sidebar-arrow { color: var(--ss-primary); }

/* ============================================
   内容区域 - 桌面端留出侧边栏宽度
   ============================================ */
.ss-content {
    margin-left: var(--ss-sidebar-w);
    padding-top: var(--ss-header-h);
    min-height: 100vh;
    display: flex; flex-direction: column;
    transition: margin-left .3s;
}

.ss-main {
    max-width: 1200px; width: 100%;
    margin: 0 auto;
    padding: 16px 20px 40px;
    flex: 1;
    display: flex; flex-direction: column;
}
.ss-main > .ss-section:last-child {
    flex: 1; display: flex; flex-direction: column;
}

/* ============================================
   折叠状态
   ============================================ */

/* 折叠后侧边栏隐藏 */
.ss-sidebar-collapse .ss-sidebar {
    transform: translateX(-100%);
}

/* 折叠后内容区撑满 */
.ss-sidebar-collapse .ss-content {
    margin-left: 0;
}

/* 折叠时切换按钮变成小箭头提示 */
.ss-sidebar-collapse .ss-toggle-btn {
    color: var(--ss-primary);
}

/* ============================================
   移动端遮罩
   ============================================ */
.ss-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1015;
    opacity: 0; visibility: hidden;
    transition: all .3s;
}
.ss-overlay.show {
    opacity: 1; visibility: visible;
}

/* ============================================
   响应式 - 移动端
   ============================================ */
@media (max-width: 991.98px) {
    /* 移动端默认折叠 */
    .ss-sidebar {
        transform: translateX(-100%);
        z-index: 1040;
        box-shadow: 4px 0 16px rgba(0,0,0,0.4);
    }

    .ss-content {
        margin-left: 0;
    }

    /* 展开时 */
    body:not(.ss-sidebar-collapse) .ss-sidebar {
        transform: translateX(0);
    }

    .ss-main {
        padding: 12px 8px 30px;
    }
}

/* 大屏默认展开 */
@media (min-width: 992px) {
    .ss-sidebar {
        transform: translateX(0) !important;
    }

    .ss-sidebar-collapse .ss-sidebar {
        transform: translateX(-100%) !important;
    }

    .ss-sidebar-collapse .ss-content {
        margin-left: 0;
    }
}

/* ============================================
   区块
   ============================================ */
.ss-section { margin-bottom: 24px; }
.ss-section-title {
    font-size: 16px; font-weight: 600;
    color: var(--ss-text-bright);
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--ss-border);
}

/* 分类子导航 */
.ss-cate-header { border-bottom: none; padding-bottom: 0; margin-bottom: 14px; }
.ss-cate-header .ss-section-title { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
.ss-subnav {
    display: flex; flex-wrap: wrap; gap: 6px;
    margin-top: 10px;
}
.ss-subnav-item {
    display: inline-block;
    padding: 5px 14px;
    font-size: 13px; color: var(--ss-text);
    background: var(--ss-card-bg);
    border: 1px solid var(--ss-border);
    border-radius: 18px;
    transition: all .15s;
    white-space: nowrap;
}
.ss-subnav-item:hover {
    color: var(--ss-text-bright);
    border-color: rgba(255,255,255,0.15);
}
.ss-subnav-item.active {
    color: #fff;
    background: var(--ss-primary);
    border-color: var(--ss-primary);
    font-weight: 500;
}

/* 空状态 */
.ss-empty {
    flex: 1;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; color: var(--ss-text-muted);
}

/* section 撑满 */
.ss-section-fill {
    display: flex; flex-direction: column;
    flex: 1; margin-bottom: 0;
}
.ss-section-body { flex: 1; }

/* ============================================
   卡片
   ============================================ */
.ss-card {
    background: var(--ss-card-bg);
    border-radius: var(--ss-radius);
    overflow: hidden;
    transition: background .2s;
}
.ss-card:hover { background: var(--ss-card-hover); }

.ss-card-thumb {
    display: block;
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #2A2C2E;
    overflow: hidden;
}
.ss-card-thumb img {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover; object-position: center;
    transition: transform .35s;
}
.ss-card:hover .ss-card-thumb img { transform: scale(1.06); }

.ss-card-overlay {
    position: absolute; inset: 0; z-index: 1;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0);
    transition: background .2s;
}
.ss-card-overlay i {
    font-size: 36px; color: rgba(255,255,255,0);
    transition: all .2s;
}
.ss-card:hover .ss-card-overlay { background: rgba(0,0,0,.3); }
.ss-card:hover .ss-card-overlay i { color: rgba(255,255,255,.8); }

.ss-badge {
    position: absolute; top: 6px; left: 6px;
    padding: 2px 8px; font-size: 10px; font-weight: 500;
    color: #fff; background: var(--ss-primary);
    border-radius: 3px; z-index: 2;
}

.ss-card-body { padding: 10px 12px; }
.ss-card-title {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 13px; line-height: 1.5;
    min-height: 39px; /* 13*1.5*2 = 39px 统一两行高度 */
    color: var(--ss-text);
    transition: color .15s;
}
.ss-card-title:hover { color: var(--ss-primary); }
.ss-card-source {
    display: block; font-size: 11px;
    color: var(--ss-text-muted); margin-top: 4px;
}

/* ============================================
   播放页
   ============================================ */
.ss-player-wrap { margin-bottom: 20px; }
.ss-player-box {
    background: #000; border-radius: var(--ss-radius); overflow: hidden;
    position: relative; width: 100%;
}
.ss-player-box iframe {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%; border: none;
}
.ss-player-info { padding: 10px 2px; }
.ss-player-title {
    font-size: 17px; font-weight: 600;
    color: var(--ss-text-bright); margin: 0 0 4px;
}
.ss-player-meta {
    font-size: 12px; color: var(--ss-text-muted);
    display: flex; align-items: center; gap: 6px;
}

/* 播放线路列表 */
.ss-player-list {
    display: flex; flex-wrap: wrap; gap: 8px;
    padding: 12px 0 0;
    border-top: 1px solid var(--ss-border);
}
.ss-player-line {
    display: inline-block;
    padding: 6px 16px;
    font-size: 13px; color: var(--ss-text);
    background: var(--ss-card-bg);
    border: 1px solid var(--ss-border);
    border-radius: var(--ss-radius);
    transition: all .15s;
    white-space: nowrap;
}
.ss-player-line:hover {
    color: var(--ss-text-bright);
    border-color: var(--ss-primary);
    background: rgba(13,202,240,0.08);
}
.ss-player-line.active {
    color: #fff;
    background: var(--ss-primary);
    border-color: var(--ss-primary);
    font-weight: 500;
}

/* ============================================
   分页
   ============================================ */
.ss-pagination {
    display: flex; align-items: center; justify-content: center;
    gap: 10px; padding: 28px 0 12px;
}
.ss-page-btn {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 7px 18px; font-size: 13px;
    color: var(--ss-text);
    background: var(--ss-card-bg);
    border: 1px solid var(--ss-border);
    border-radius: var(--ss-radius);
    transition: all .15s;
}
.ss-page-btn:hover { color: var(--ss-primary); border-color: var(--ss-primary); }
.ss-page-info { font-size: 13px; color: var(--ss-text-muted); }

/* ============================================
   跑马灯
   ============================================ */
.ss-marquee-wrap {
    background: var(--ss-card-bg);
    border-radius: var(--ss-radius);
    padding: 8px 0; overflow: hidden;
}
.ss-marquee {
    display: flex; width: max-content;
    animation: ss-marquee 40s linear infinite;
}
.ss-marquee:hover { animation-play-state: paused; }
.ss-marquee-item {
    flex-shrink: 0; padding: 5px 16px;
    font-size: 12px; color: var(--ss-text-muted);
    white-space: nowrap;
    border-right: 1px solid var(--ss-border);
    transition: color .15s;
}
.ss-marquee-item:hover { color: var(--ss-primary); }
@keyframes ss-marquee {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============================================
   页脚
   ============================================ */
.ss-footer {
    background: #1A1C1E;
    border-top: 1px solid var(--ss-border);
    padding: 20px 16px;
    text-align: center;
}
.ss-footer-links {
    display: flex; align-items: center; justify-content: center;
    gap: 0; margin-bottom: 6px; font-size: 12px;
}
.ss-footer-links a { color: var(--ss-text-muted); padding: 2px 10px; }
.ss-footer-links a:hover { color: var(--ss-primary); }
.ss-footer-divider { color: #555; }
.ss-footer-copy { font-size: 11px; color: #666; }

.ss-highlight { color: var(--ss-primary); }

/* ============================================
   移动端适配微调
   ============================================ */
@media (max-width: 768px) {
    .ss-topbar-search { width: 160px; }
    .ss-topbar-search:focus-within { width: 100%; position: absolute; left: 0; right: 0; top: 0; border-radius: 0; z-index: 10; }
    .ss-section-title { font-size: 15px; }
    .ss-card-body { padding: 8px; }
    .ss-card-title { font-size: 12px; }
    .ss-player-title { font-size: 15px; }
    .ss-pagination { flex-direction: column; gap: 8px; }
    .ss-page-btn { width: 100%; justify-content: center; }
    .ss-topbar-spacer{padding: 0 15px;}
    .ss-player-list a{flex: 1;text-align: center;max-width: 23.3%; margin: 0;}
}