/* =========================================================
   AppVault Theme  —  全新设计系统
   主色: --av-primary (#6C4CF1)  副色: --av-secondary (#00C2A8)
   ========================================================= */

:root{
    --av-primary:#6C4CF1;
    --av-secondary:#00C2A8;
    --av-ink:#171229;
    --av-ink-2:#4C4966;
    --av-ink-3:#8B88A3;
    --av-line:#ECEAF5;
    --av-bg:#F6F5FC;
    --av-card:#FFFFFF;
    --av-radius:16px;
    --av-radius-sm:10px;
    --av-shadow:0 6px 24px rgba(52,32,120,.08);
    --av-shadow-hover:0 14px 40px rgba(52,32,120,.16);
    --av-max:1220px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
    margin:0;
    font-family:"Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Microsoft YaHei",Arial,sans-serif;
    color:var(--av-ink);
    background:var(--av-bg);
    line-height:1.6;
    font-size:15px;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.3;font-weight:700;}
button{font-family:inherit;cursor:pointer;}
.av-wrap{max-width:var(--av-max);margin:0 auto;padding:0 18px;}
.av-main{padding:26px 0 60px;}

/* ---------- 顶部条 ---------- */
.av-topbar{background:linear-gradient(90deg,var(--av-primary),var(--av-secondary));color:#fff;font-size:13px;}
.av-topbar-in{display:flex;align-items:center;justify-content:space-between;height:38px;}
.av-topbar-links a{color:#fff;opacity:.9;margin-left:18px;}
.av-topbar-links a:hover{opacity:1;text-decoration:underline;}

/* ---------- 头部 ---------- */
.av-header{background:#fff;border-bottom:1px solid var(--av-line);position:sticky;top:0;z-index:50;}
.av-header-in{display:flex;align-items:center;gap:22px;height:74px;}
.av-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;flex:0 0 auto;}
.av-logo-mark{
    width:38px;height:38px;border-radius:11px;
    background:linear-gradient(135deg,var(--av-primary),var(--av-secondary));
    color:#fff;display:grid;place-items:center;font-size:15px;font-weight:800;
    box-shadow:0 4px 12px rgba(108,76,241,.35);
}
.av-logo-text{letter-spacing:-.02em;}
.av-search{flex:1 1 auto;display:flex;max-width:560px;border:2px solid var(--av-line);border-radius:999px;overflow:hidden;transition:border-color .2s;}
.av-search:focus-within{border-color:var(--av-primary);}
.av-search-input{flex:1;border:0;outline:0;padding:0 20px;font-size:14px;background:transparent;height:44px;}
.av-search-btn{border:0;background:var(--av-primary);color:#fff;padding:0 26px;font-weight:600;font-size:14px;transition:background .2s;}
.av-search-btn:hover{background:#5a3ce0;}
.av-menu-toggle{display:none;border:0;background:transparent;font-size:22px;}

/* ---------- 主导航 ---------- */
.av-nav{background:#fff;border-bottom:1px solid var(--av-line);box-shadow:0 2px 8px rgba(0,0,0,.02);}
.av-nav-list{display:flex;gap:6px;flex-wrap:wrap;}
.av-nav-list a{
    display:inline-block;padding:14px 20px;font-weight:600;color:var(--av-ink-2);
    position:relative;transition:color .2s;
}
.av-nav-list a:hover{color:var(--av-primary);}
.av-nav-list .is-active a{color:var(--av-primary);}
.av-nav-list .is-active a::after{
    content:"";position:absolute;left:20px;right:20px;bottom:0;height:3px;border-radius:3px 3px 0 0;
    background:linear-gradient(90deg,var(--av-primary),var(--av-secondary));
}

/* ---------- 面包屑 ---------- */
.av-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--av-ink-3);margin-bottom:18px;}
.av-crumb a{color:var(--av-ink-2);}
.av-crumb a:hover{color:var(--av-primary);}
.av-crumb .sep{opacity:.5;}

/* ---------- 通用标题 ---------- */
.av-sec-head{display:flex;align-items:center;justify-content:space-between;margin:34px 0 16px;}
.av-sec-head h2{font-size:20px;display:flex;align-items:center;gap:10px;margin:0;}
.av-sec-head h2::before{content:"";width:6px;height:22px;border-radius:4px;background:linear-gradient(180deg,var(--av-primary),var(--av-secondary));}
.av-sec-head .more{font-size:13px;color:var(--av-primary);font-weight:600;}

/* ---------- 卡片网格 ---------- */
.av-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:18px;}
.av-card{background:var(--av-card);border-radius:var(--av-radius);overflow:hidden;box-shadow:var(--av-shadow);transition:transform .22s,box-shadow .22s;display:flex;flex-direction:column;}
.av-card:hover{transform:translateY(-4px);box-shadow:var(--av-shadow-hover);}
.av-card-thumb{position:relative;aspect-ratio:1/1;background:linear-gradient(135deg,#eee9ff,#e2fbf7);overflow:hidden;}
.av-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.av-card:hover .av-card-thumb img{transform:scale(1.06);}
.av-card-badge{position:absolute;top:10px;left:10px;background:rgba(23,18,41,.72);color:#fff;font-size:11px;font-weight:600;padding:3px 9px;border-radius:999px;backdrop-filter:blur(4px);}
.av-card-body{padding:12px 14px 14px;flex:1;display:flex;flex-direction:column;}
.av-card-title{font-size:14px;font-weight:600;color:var(--av-ink);margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.6em;}
.av-card-meta{margin-top:auto;display:flex;justify-content:space-between;font-size:12px;color:var(--av-ink-3);}
.av-stars{color:#FFB020;letter-spacing:-1px;}

/* ---------- 横向榜单项 ---------- */
.av-list{background:var(--av-card);border-radius:var(--av-radius);box-shadow:var(--av-shadow);overflow:hidden;}
.av-row{display:flex;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid var(--av-line);transition:background .18s;}
.av-row:last-child{border-bottom:0;}
.av-row:hover{background:#FAF9FF;}
.av-row-num{flex:0 0 30px;font-weight:800;font-size:16px;color:var(--av-ink-3);text-align:center;}
.av-row:nth-child(1) .av-row-num{color:#FF6B6B;}
.av-row:nth-child(2) .av-row-num{color:#FF9F43;}
.av-row:nth-child(3) .av-row-num{color:#F9CA24;}
.av-row-logo{flex:0 0 52px;width:52px;height:52px;border-radius:13px;overflow:hidden;background:#f0eef8;}
.av-row-logo img{width:100%;height:100%;object-fit:cover;}
.av-row-info{flex:1;min-width:0;}
.av-row-name{font-weight:600;font-size:14px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.av-row-sub{font-size:12px;color:var(--av-ink-3);}
.av-row-cta{flex:0 0 auto;background:linear-gradient(135deg,var(--av-primary),var(--av-secondary));color:#fff;font-size:12px;font-weight:600;padding:8px 16px;border-radius:999px;transition:opacity .2s;}
.av-row-cta:hover{opacity:.9;}

/* ---------- 详情页 ---------- */
.av-detail{display:grid;grid-template-columns:1fr 320px;gap:26px;align-items:start;}
.av-panel{background:var(--av-card);border-radius:var(--av-radius);box-shadow:var(--av-shadow);padding:24px;margin-bottom:22px;}
.av-app-hero{display:flex;gap:22px;align-items:flex-start;}
.av-app-icon{flex:0 0 118px;width:118px;height:118px;border-radius:24px;overflow:hidden;box-shadow:0 10px 30px rgba(52,32,120,.18);background:#f0eef8;}
.av-app-icon img{width:100%;height:100%;object-fit:cover;}
.av-app-head{flex:1;min-width:0;}
.av-app-head h1{font-size:24px;margin-bottom:8px;}
.av-app-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.av-chip{font-size:12px;background:#F1EEFC;color:var(--av-primary);padding:4px 12px;border-radius:999px;font-weight:600;}
.av-chip.alt{background:#E4FAF6;color:#00A08B;}
.av-app-rating{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--av-ink-3);margin-bottom:16px;}
.av-rating-bar{width:120px;height:8px;border-radius:5px;background:#EDEAF7;overflow:hidden;}
.av-rating-bar span{display:block;height:100%;background:linear-gradient(90deg,#FFB020,#FF7A45);}
.av-btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--av-primary),var(--av-secondary));color:#fff;font-weight:700;font-size:15px;padding:14px 32px;border-radius:999px;box-shadow:0 8px 22px rgba(108,76,241,.32);transition:transform .18s,box-shadow .18s;border:0;}
.av-btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(108,76,241,.42);}
.av-btn-sm{padding:10px 22px;font-size:13px;}

.av-spec{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;}
.av-spec-item{background:#FAF9FF;border-radius:var(--av-radius-sm);padding:12px 14px;}
.av-spec-item dt{font-size:12px;color:var(--av-ink-3);margin-bottom:3px;}
.av-spec-item dd{margin:0;font-weight:600;font-size:14px;word-break:break-all;}

.av-content{font-size:15px;color:var(--av-ink-2);}
.av-content p{margin:0 0 14px;}
.av-content h2{font-size:20px;margin:26px 0 12px;color:var(--av-ink);}
.av-content h3{font-size:17px;margin:20px 0 10px;color:var(--av-ink);}
.av-content img{border-radius:var(--av-radius-sm);margin:14px auto;}
.av-content a{color:var(--av-primary);text-decoration:underline;}
.av-content iframe{max-width:100%;border-radius:var(--av-radius-sm);}
.av-content ul{list-style:disc;padding-left:22px;margin:0 0 14px;}
.av-content ol{list-style:decimal;padding-left:22px;margin:0 0 14px;}
.av-content table{width:100%;border-collapse:collapse;margin:0 0 16px;}
.av-content table th,.av-content table td{border:1px solid var(--av-line);padding:8px 12px;}

/* 截图 */
.av-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;}
.av-gallery a{border-radius:var(--av-radius-sm);overflow:hidden;box-shadow:var(--av-shadow);display:block;aspect-ratio:9/16;background:#f0eef8;}
.av-gallery img{width:100%;height:100%;object-fit:cover;transition:transform .3s;}
.av-gallery a:hover img{transform:scale(1.05);}

/* 侧栏 */
.av-side-title{font-size:16px;font-weight:700;margin:0 0 14px;display:flex;align-items:center;gap:8px;}
.av-side-title::before{content:"";width:5px;height:18px;border-radius:3px;background:linear-gradient(180deg,var(--av-primary),var(--av-secondary));}
.av-side-item{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:1px dashed var(--av-line);}
.av-side-item:last-child{border-bottom:0;}
.av-side-item .logo{flex:0 0 46px;width:46px;height:46px;border-radius:12px;overflow:hidden;background:#f0eef8;}
.av-side-item .logo img{width:100%;height:100%;object-fit:cover;}
.av-side-item .name{font-size:13px;font-weight:600;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.av-side-item .sub{font-size:12px;color:var(--av-ink-3);}

/* ---------- 分类标签条 ---------- */
.av-catbar{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:22px;}
.av-catbar a{background:#fff;border:1px solid var(--av-line);border-radius:999px;padding:8px 18px;font-size:13px;font-weight:600;color:var(--av-ink-2);transition:all .18s;}
.av-catbar a:hover{border-color:var(--av-primary);color:var(--av-primary);}
.av-catbar a.on{background:var(--av-primary);border-color:var(--av-primary);color:#fff;}

/* ---------- 列表页大卡 ---------- */
.av-listgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:18px;}
.av-itemcard{display:flex;gap:16px;background:#fff;border-radius:var(--av-radius);box-shadow:var(--av-shadow);padding:18px;transition:transform .2s,box-shadow .2s;}
.av-itemcard:hover{transform:translateY(-3px);box-shadow:var(--av-shadow-hover);}
.av-itemcard .logo{flex:0 0 84px;width:84px;height:84px;border-radius:18px;overflow:hidden;background:#f0eef8;}
.av-itemcard .logo img{width:100%;height:100%;object-fit:cover;}
.av-itemcard .body{flex:1;min-width:0;display:flex;flex-direction:column;}
.av-itemcard h3{font-size:15px;margin:0 0 6px;}
.av-itemcard .meta{font-size:12px;color:var(--av-ink-3);margin-bottom:6px;}
.av-itemcard .desc{font-size:13px;color:var(--av-ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- 分页 ---------- */
.av-pager{display:flex;justify-content:center;gap:8px;margin:32px 0 0;flex-wrap:wrap;}
.av-pager a,.av-pager span{min-width:40px;height:40px;display:grid;place-items:center;padding:0 12px;border-radius:12px;background:#fff;box-shadow:var(--av-shadow);font-size:14px;font-weight:600;color:var(--av-ink-2);}
.av-pager .cur{background:var(--av-primary);color:#fff;}
.av-pager a:hover{color:var(--av-primary);}
.av-pager .disabled{opacity:.4;pointer-events:none;}

/* ---------- 搜索页 ---------- */
.av-searchbox{background:#fff;border-radius:var(--av-radius);box-shadow:var(--av-shadow);padding:30px;text-align:center;margin-bottom:24px;}
.av-searchbox h1{font-size:22px;margin-bottom:16px;}
.av-searchbox form{display:flex;max-width:520px;margin:0 auto;border:2px solid var(--av-line);border-radius:999px;overflow:hidden;}
.av-searchbox input{flex:1;border:0;outline:0;padding:0 20px;height:46px;font-size:14px;}
.av-searchbox button{border:0;background:var(--av-primary);color:#fff;padding:0 30px;font-weight:700;}

/* ---------- 提示块 ---------- */
.av-empty{text-align:center;padding:60px 20px;color:var(--av-ink-3);}
.av-alert{padding:12px 18px;border-radius:var(--av-radius-sm);margin-bottom:16px;font-size:14px;}
.av-alert.ok{background:#E4FAF6;color:#00836F;}
.av-alert.err{background:#FDECEC;color:#C0392B;}

/* ---------- 分页文章 / 专题 ---------- */
.av-topic-card{display:flex;gap:16px;background:#fff;border-radius:var(--av-radius);box-shadow:var(--av-shadow);padding:16px;margin-bottom:16px;}
.av-topic-card .logo{flex:0 0 100px;width:100px;height:70px;border-radius:12px;overflow:hidden;background:#f0eef8;}
.av-topic-card .logo img{width:100%;height:100%;object-fit:cover;}
.av-topic-card h3{font-size:16px;margin:0 0 6px;}
.av-topic-card p{font-size:13px;color:var(--av-ink-3);margin:0;}

/* ---------- 下载页 ---------- */
.av-download-box{text-align:center;padding:40px 24px;}
.av-download-box .icon{width:100px;height:100px;border-radius:24px;margin:0 auto 18px;overflow:hidden;box-shadow:0 10px 30px rgba(52,32,120,.18);}
.av-download-box .icon img{width:100%;height:100%;object-fit:cover;}
.av-download-box h1{font-size:22px;}
.av-download-box .note{font-size:13px;color:var(--av-ink-3);margin-top:16px;}

/* ---------- 页脚 ---------- */
.av-footer{background:#171229;color:#B8B3CE;margin-top:40px;}
.av-footer-in{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding:44px 18px 30px;}
.av-footer-about p{font-size:13px;margin:14px 0 0;line-height:1.8;}
.av-logo-footer .av-logo-text{color:#fff;}
.av-footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;}
.av-footer-col a{display:block;font-size:13px;margin-bottom:9px;transition:color .18s;}
.av-footer-col a:hover{color:#fff;}

/* ---------- 语言切换器 ---------- */
.av-lang{position:relative;display:inline-block;}
.av-lang>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.85);font-size:13px;padding:2px 4px;}
.av-lang>summary::-webkit-details-marker{display:none;}
.av-lang>summary::after{content:"▾";font-size:10px;opacity:.7;}
.av-lang-list{position:absolute;top:130%;right:0;z-index:60;min-width:172px;max-height:320px;overflow:auto;margin:0;padding:6px;list-style:none;background:#fff;border-radius:12px;box-shadow:0 16px 40px rgba(30,18,70,.24);}
.av-lang-list a{display:block;padding:7px 10px;border-radius:8px;font-size:13px;color:var(--av-ink-2);white-space:nowrap;}
.av-lang-list a:hover{background:var(--av-surface-2,#F3F1FB);color:var(--av-primary);}
.av-lang-list li.is-current a{color:var(--av-primary);font-weight:700;background:rgba(108,76,241,.08);}

/* ---------- RTL 适配 ---------- */
html[dir="rtl"] .av-lang-list{right:auto;left:0;}
html[dir="rtl"] .av-crumb .sep{transform:rotate(180deg);display:inline-block;}

@media (max-width:820px){
    .av-footer-in{grid-template-columns:1fr 1fr;}
}
.av-footer-bottom{border-top:1px solid rgba(255,255,255,.1);}
.av-footer-bottom .av-wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:18px;font-size:12px;}

/* ---------- 响应式 ---------- */
@media(max-width:1000px){
    .av-detail{grid-template-columns:1fr;}
    .av-footer-in{grid-template-columns:1fr 1fr;}
    .av-footer-about{grid-column:1/-1;}
}
@media(max-width:720px){
    .av-topbar-links{display:none;}
    .av-header-in{height:64px;gap:12px;}
    .av-search{order:3;flex-basis:100%;}
    .av-menu-toggle{display:block;margin-left:auto;}
    .av-nav-list{display:none;flex-direction:column;gap:0;}
    .av-nav.is-open .av-nav-list{display:flex;}
    .av-nav-list a{padding:12px 4px;width:100%;}
    .av-nav-list .is-active a::after{display:none;}
    .av-app-hero{flex-direction:column;align-items:center;text-align:center;}
    .av-app-tags,.av-app-rating{justify-content:center;}
    .av-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;}
    .av-footer-in{grid-template-columns:1fr;}
}