/* ==========================================================
   WebStack 主题 - 复刻 WebStack-Hugo 2.1.21 视觉
   配色由 index.php 通过 CSS 变量注入(--ws-*)
   ========================================================== */
:root{
    --ws-radius: 10px;
    --ws-gap: 12px;
    --ws-font: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    --ws-side-w: 200px;
    --ws-banner-h: 240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--ws-font);
    color:var(--ws-title-fc);
    background-color:var(--ws-body-bg);
    min-height:100vh;
    overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.ws-hidden{display:none!important}

/* ==================== 左侧侧栏 ==================== */
.ws-sidebar{
    position:fixed;left:0;top:0;bottom:0;width:var(--ws-side-w);z-index:900;
    background:var(--ws-side-bg);
    border-right:1px solid rgba(0,0,0,.05);
    display:flex;flex-direction:column;
    box-shadow:2px 0 14px rgba(0,0,0,.04);
}
.ws-logo{
    display:flex;align-items:center;gap:10px;padding:18px 20px;
    color:var(--ws-head-fc);
    border-bottom:1px solid rgba(0,0,0,.05);
}
.ws-logo-mark{
    width:32px;height:32px;border-radius:7px;
    background:linear-gradient(135deg,#f97316,#f59e0b);
    color:#fff;font-weight:800;font-size:14px;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 2px 6px rgba(249,115,22,.3);
}
.ws-logo-text{font-weight:700;font-size:16px;letter-spacing:.5px}
.ws-nav{flex:1;padding:10px 8px;overflow-y:auto}
.ws-nav::-webkit-scrollbar{width:4px}
.ws-nav::-webkit-scrollbar-thumb{background:rgba(0,0,0,.08);border-radius:2px}
.ws-nav-item{
    display:flex;align-items:center;gap:10px;padding:9px 12px;
    border-radius:8px;color:var(--ws-cat-fc);font-size:14px;margin-bottom:2px;
    transition:all .18s ease;position:relative;
}
.ws-nav-item:hover{background:rgba(99,102,241,.08);color:#4f46e5;transform:translateX(2px)}
.ws-nav-item.active{background:linear-gradient(90deg,rgba(99,102,241,.12),transparent);color:#4f46e5;font-weight:600}
.ws-nav-icon{width:16px;text-align:center;font-size:14px;opacity:.7}
.ws-nav-item:hover .ws-nav-icon{opacity:1}
.ws-nav-text{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ws-nav-lock{font-size:11px;opacity:.5}

.ws-side-foot{
    padding:10px 8px 14px;border-top:1px solid rgba(0,0,0,.05);
    display:flex;flex-direction:column;gap:2px;
}
.ws-foot-item{
    display:flex;align-items:center;gap:10px;padding:9px 12px;
    border-radius:8px;color:var(--ws-desc-fc);font-size:13px;
    transition:all .18s ease;
}
.ws-foot-item:hover{background:rgba(0,0,0,.04);color:var(--ws-cat-fc)}
.ws-foot-item i{width:16px;text-align:center}

/* ==================== 右侧主区 ==================== */
.ws-main{margin-left:var(--ws-side-w);min-height:100vh;display:flex;flex-direction:column}

/* ==================== 顶部 Banner ==================== */
.ws-banner{
    position:relative;height:var(--ws-banner-h);
    background-image:linear-gradient(135deg,#1e293b 0%,#7c3aed 40%,#f97316 100%);
    background-size:cover;background-position:center;
    color:#fff;padding:18px 28px;
    display:flex;flex-direction:column;
}
.ws-banner::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.15));
    pointer-events:none;
}
.ws-banner-top{display:flex;align-items:center;gap:14px;position:relative;z-index:2}
.ws-icon-btn{
    width:34px;height:34px;border:none;background:rgba(255,255,255,.16);
    color:#fff;border-radius:8px;cursor:pointer;font-size:14px;
    display:none;align-items:center;justify-content:center;transition:all .2s;
}
.ws-icon-btn:hover{background:rgba(255,255,255,.28)}
.ws-banner-link{
    color:rgba(255,255,255,.92);font-size:13.5px;display:inline-flex;align-items:center;gap:5px;
    padding:6px 10px;border-radius:6px;transition:all .2s;
}
.ws-banner-link:hover{background:rgba(255,255,255,.16)}
.ws-banner-right{margin-left:auto}

.ws-banner-center{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:14px;position:relative;z-index:2;padding:14px 0;
}
.ws-search{
    display:flex;width:100%;max-width:580px;height:46px;
    background:rgba(255,255,255,.96);border-radius:24px;overflow:hidden;
    box-shadow:0 8px 28px rgba(0,0,0,.18);
}
.ws-search-input{
    flex:1;height:100%;border:none;outline:none;padding:0 22px;font-size:14.5px;
    color:#212121;background:transparent;
}
.ws-search-input::placeholder{color:#9e9e9e}
.ws-search-btn{
    width:60px;height:100%;border:none;background:transparent;color:#6366f1;
    cursor:pointer;font-size:16px;transition:all .2s;
}
.ws-search-btn:hover{color:#4f46e5}
.ws-search-tabs{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.ws-tab{
    padding:5px 14px;border-radius:14px;font-size:12.5px;cursor:pointer;
    background:rgba(255,255,255,.12);color:rgba(255,255,255,.9);
    transition:all .2s;
}
.ws-tab:hover{background:rgba(255,255,255,.22)}
.ws-tab.active{background:rgba(255,255,255,.92);color:#4f46e5;font-weight:600}

/* ==================== 主内容 ==================== */
.ws-content{flex:1;padding:22px 28px}
.ws-section{margin-bottom:28px}
.ws-cat-header{
    display:flex;align-items:center;gap:10px;margin-bottom:14px;padding-left:2px;
}
.ws-cat-icon{font-size:16px;color:#6366f1;width:18px;text-align:center}
.ws-cat-title{font-size:16.5px;font-weight:600;color:var(--ws-cat-fc);margin:0}
.ws-cat-lock{font-size:11px;color:#10b981;margin-left:2px}
.ws-cat-desc{font-size:12.5px;color:var(--ws-desc-fc);margin-left:6px}

.ws-grid{
    display:grid;gap:var(--ws-gap);
    grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
}
.ws-cols-sm .ws-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.ws-cols-md .ws-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}

/* ==================== 链接卡片 ==================== */
.ws-card{
    position:relative;
    background:var(--ws-card-bg);
    border:1px solid rgba(0,0,0,.05);
    border-radius:var(--ws-radius);
    height:var(--ws-card-h);
    overflow:hidden;
    transition:all .2s ease;
}
.ws-card:hover{
    transform:translateY(-3px);
    box-shadow:0 8px 20px rgba(0,0,0,.08);
    border-color:rgba(99,102,241,.3);
}
.ws-card-badge{
    position:absolute;top:0;right:0;
    background:#10b981;color:#fff;
    width:22px;height:22px;display:flex;align-items:center;justify-content:center;
    font-size:10px;border-bottom-left-radius:8px;z-index:2;
}
.ws-card-link{
    display:flex;align-items:center;gap:12px;height:100%;
    padding:12px 14px;
}
.ws-card-icon{
    width:40px;height:40px;border-radius:9px;flex-shrink:0;
    background:#f3f4f6;padding:6px;object-fit:contain;
}
.ws-card:hover .ws-card-icon{transform:scale(1.05);transition:transform .2s}
.ws-card-body{flex:1;min-width:0}
.ws-card-title{
    font-size:14px;font-weight:600;color:var(--ws-title-fc);
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.ws-card-desc{
    font-size:12px;color:var(--ws-desc-fc);margin-top:4px;
    height:var(--ws-desc-h);line-height:22px;
    display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:var(--ws-desc-row);
    overflow:hidden;word-break:break-all;
}

/* ==================== 页脚 / 浮动按钮 ==================== */
.ws-footer{
    text-align:center;padding:22px;font-size:12.5px;color:var(--ws-desc-fc);
    border-top:1px solid rgba(0,0,0,.05);
}
.ws-footer a{color:var(--ws-desc-fc);text-decoration:none}
.ws-footer a:hover{color:#4f46e5}

.ws-fab{
    position:fixed;right:24px;bottom:24px;z-index:950;
    width:46px;height:46px;border-radius:50%;border:none;
    background:linear-gradient(135deg,#6366f1,#4f46e5);color:#fff;
    box-shadow:0 6px 18px rgba(79,70,229,.4);font-size:17px;cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    transition:all .25s;
}
.ws-fab:hover{transform:translateY(-2px) scale(1.05);box-shadow:0 10px 24px rgba(79,70,229,.5)}

/* ==================== 移动端适配 ==================== */
@media (max-width:992px){
    body{--ws-side-w:0px}
    .ws-sidebar{transform:translateX(-100%);transition:transform .3s}
    .ws-sidebar.open{transform:translateX(0);--ws-side-w:240px}
    .ws-icon-btn{display:inline-flex}
    .ws-content{padding:18px}
    .ws-banner{padding:14px 18px;height:auto;min-height:200px}
    .ws-banner-center{padding:8px 0}
}
@media (max-width:576px){
    .ws-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))!important}
    .ws-card-link{padding:10px;gap:8px}
    .ws-card-icon{width:34px;height:34px}
    .ws-search{height:40px}
    .ws-search-input{font-size:13px;padding:0 16px}
    .ws-tab{padding:4px 10px;font-size:12px}
}

/* ==================== 夜间模式 ==================== */
.ws-night{
    --ws-head-fc:#f1f5f9;
    --ws-cat-fc:#e2e8f0;
    --ws-title-fc:#f8fafc;
    --ws-desc-fc:#94a3b8;
    --ws-body-bg:#0f172a;
    --ws-card-bg:#1e293b;
    --ws-side-bg:#111827;
}
.ws-night .ws-card{border-color:rgba(255,255,255,.06)}
.ws-night .ws-card:hover{border-color:rgba(99,102,241,.4)}
.ws-night .ws-foot-item:hover{background:rgba(255,255,255,.05)}
.ws-night .ws-nav-item:hover{background:rgba(129,140,248,.12);color:#a5b4fc}
.ws-night .ws-nav-item.active{background:linear-gradient(90deg,rgba(129,140,248,.16),transparent);color:#a5b4fc}
.ws-night .ws-card-icon{background:rgba(255,255,255,.06)}
.ws-night .ws-footer{border-top-color:rgba(255,255,255,.06)}
.ws-night .ws-sidebar{border-right-color:rgba(255,255,255,.05);box-shadow:2px 0 14px rgba(0,0,0,.4)}
.ws-night .ws-logo,.ws-night .ws-side-foot,.ws-night .ws-nav{border-color:rgba(255,255,255,.05)}
.ws-night .ws-footer a:hover{color:#a5b4fc}