/* ============================================================
 * 短视频页（/video）
 *   默认：两栏网格浏览（快手网页版风格）
 *   点击卡片：切换单栏全屏上下滑动播放（抖音式）
 * ============================================================ */
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;background:#000;overscroll-behavior-y:none}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#fff}

/* ---------- 视图模式 ---------- */
body.v-mode-grid .v-feed{display:none !important}
body.v-mode-play .v-grid{display:none !important}
body{overscroll-behavior-y:contain}

/* ---------- 顶部容器：顶栏 + 搜索框 + 频道菜单（固定悬浮，高度自适应） ---------- */
.v-head{position:fixed;top:0;left:0;right:0;z-index:30;display:flex;flex-direction:column;gap:9px;
    padding:calc(10px + env(safe-area-inset-top)) 0 9px;pointer-events:none;
    background:linear-gradient(180deg,rgba(0,0,0,.62),rgba(0,0,0,.28) 62%,rgba(0,0,0,0))}
.v-head>*{pointer-events:auto}

/* ---------- 顶栏 ---------- */
.v-topbar{position:static;display:flex;align-items:center;gap:12px;padding:0 14px}
.v-top-home,.v-top-back{color:#fff;text-decoration:none;font-size:14px;background:rgba(255,255,255,.16);
    padding:6px 14px;border-radius:16px;backdrop-filter:blur(6px);border:0;cursor:pointer;font-family:inherit}
.v-top-back[hidden]{display:none}
.v-top-title{font-size:16px;font-weight:700;text-shadow:0 1px 4px rgba(0,0,0,.6)}
.v-top-upload{margin-left:auto;border:0;background:#fe2c55;color:#fff;font-size:13.5px;
    padding:7px 16px;border-radius:18px;cursor:pointer}
.v-top-upload:active{transform:scale(.96)}

/* ---------- 频道栏一行：最左「商城」入口（固定） + 可滑动频道菜单 ---------- */
.v-tabbar{display:flex;align-items:center;gap:10px;padding:0 14px;min-width:0}
.v-tabbar .v-tabs{flex:1 1 auto;min-width:0;padding:0}
.v-shop{flex:0 0 auto;display:flex;align-items:center;gap:4px;height:30px;padding:0 12px;
    border-radius:15px;text-decoration:none;color:#fff;font-size:13px;
    background:linear-gradient(135deg,#fe2c55,#ff7a3d);box-shadow:0 2px 9px rgba(254,44,85,.38)}
.v-shop b{font-weight:600}
.v-shop-ico{font-size:13px;line-height:1}
.v-shop:active{transform:scale(.96)}

/* ---------- 顶部频道菜单（可左右滑动，抖音手机端样式） ---------- */
.v-tabs{position:static;display:flex;align-items:center;gap:20px;padding:0;
    overflow-x:auto;overflow-y:hidden;white-space:nowrap;-webkit-overflow-scrolling:touch;
    overscroll-behavior-x:contain;scrollbar-width:none}
.v-tabs::-webkit-scrollbar{display:none}
.v-tab{position:relative;flex:0 0 auto;background:none;border:0;padding:2px 1px 8px;cursor:pointer;
    color:rgba(255,255,255,.66);font-size:15.5px;font-family:inherit;line-height:1.2;
    transition:color .15s ease}
.v-tab:hover{color:rgba(255,255,255,.9)}
.v-tab.on{color:#fff;font-size:17px;font-weight:700}
.v-tab.on::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
    width:18px;height:2.5px;border-radius:2px;background:#fe2c55}
.v-tab.on::before{content:"";position:absolute;left:-6px;right:-6px;top:-2px;bottom:-2px}

/* ---------- 两栏网格 ---------- */
.v-grid{height:100vh;height:100dvh;overflow-y:auto;padding:calc(var(--vhead,148px) + 10px) 8px 16px;
    scrollbar-width:thin;scrollbar-color:#333 #000;
    display:grid;grid-template-columns:1fr 1fr;grid-auto-rows:max-content;gap:10px;align-content:start;max-width:960px;margin:0 auto}
.v-card{display:flex;flex-direction:column;background:#121218;border-radius:10px;overflow:hidden;cursor:pointer;
    transition:transform .15s ease,box-shadow .15s ease}
.v-card:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(254,44,85,.18)}
.v-card-media{position:relative;flex:0 0 auto;aspect-ratio:9/13;background:#000;overflow:hidden}
.v-card-media img,.v-card-media video{width:100%;height:100%;object-fit:cover;display:block}
.v-card-play{position:absolute;right:8px;bottom:8px;font-size:12px;color:#fff;
    background:rgba(0,0,0,.55);border-radius:50%;width:26px;height:26px;display:flex;
    align-items:center;justify-content:center;pointer-events:none}
/* 卡片底部信息区：标题 / 简介 / 作者 / 点赞·评论 */
.v-card-info{padding:8px 10px 10px;flex:1 1 auto;display:flex;flex-direction:column}
.v-card-title{font-size:13.5px;line-height:1.4;color:#eee;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    word-break:break-all}
.v-card-desc{margin-top:4px;font-size:11.5px;line-height:1.45;color:#8b8b98;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    word-break:break-all}
.v-card-meta{display:flex;justify-content:space-between;align-items:center;gap:8px;
    margin-top:auto;padding-top:7px;font-size:11.5px;color:#8a8a96}
.v-card-author{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.v-card-stats{flex:0 0 auto;display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:11px}
.v-card-like{color:#fe5c76}
.v-card-cmt{color:#8a8a96}
.v-card-fav{color:#8a8a96}
.v-card-fav.on{color:#f5c451}
.v-grid-empty{grid-column:1/-1;text-align:center;color:#888;font-size:15px;padding:80px 0}
/* 桌面端保持两栏、略放大卡片 */
@media (min-width:760px){
    .v-card-title{font-size:14.5px}
}

/* ---------- 视频流（单栏播放） ---------- */
.v-feed{height:100vh;height:100dvh;overflow-y:scroll;scroll-snap-type:y mandatory;scrollbar-width:none}
.v-feed::-webkit-scrollbar{display:none}
.v-item{position:relative;height:100vh;height:100dvh;scroll-snap-align:start;scroll-snap-stop:always;
    background:#000;overflow:hidden}
.v-player{width:100%;height:100%;object-fit:contain;background:#000}
.v-playicon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:64px;
    color:rgba(255,255,255,.75);text-shadow:0 2px 12px rgba(0,0,0,.5);pointer-events:none}
.v-item.v-empty{display:flex;align-items:center;justify-content:center;color:#888;font-size:15px}

/* ---------- 右侧操作栏 ---------- */
.v-rail{position:absolute;right:10px;bottom:100px;z-index:10;display:flex;flex-direction:column;
    align-items:center;gap:14px}
.v-avatar{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,#fe2c55,#6633ff);
    display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;
    border:2px solid #fff;cursor:pointer}
.v-act{display:flex;flex-direction:column;align-items:center;gap:3px;background:none;border:0;
    color:#fff;cursor:pointer;font-size:12px;text-decoration:none;text-shadow:0 1px 4px rgba(0,0,0,.5)}
.v-ico{font-size:32px;line-height:1;filter:drop-shadow(0 2px 6px rgba(0,0,0,.5))}
.v-like.on .v-ico{animation:vpop .35s ease}
.v-fav.on .v-ico{animation:vpop .35s ease;color:#ffd666}
@keyframes vpop{0%{transform:scale(1)}45%{transform:scale(1.45)}100%{transform:scale(1)}}
.v-follow .v-ico{font-size:26px;display:flex;align-items:center;justify-content:center;width:30px;height:30px;
    border-radius:50%;background:#fe2c55;font-weight:700}
.v-follow.on .v-ico{background:rgba(255,255,255,.22);font-size:16px}
.v-follow.on .v-num{color:rgba(255,255,255,.8)}

/* ---------- 左下信息 ---------- */
.v-info{position:absolute;left:14px;right:78px;bottom:26px;z-index:10;
    text-shadow:0 1px 6px rgba(0,0,0,.65)}
.v-author{font-size:16.5px;font-weight:700;margin-bottom:6px}
.v-title{font-size:14.5px;line-height:1.45;margin-bottom:4px;word-break:break-all}
.v-desc{font-size:13px;color:rgba(255,255,255,.78);line-height:1.4;word-break:break-all}

/* ---------- 评论抽屉 ---------- */
.v-drawer{position:fixed;inset:0;z-index:60}
.v-drawer[hidden]{display:none}
.v-drawer-mask{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.v-drawer-box{position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:100%;max-width:480px;
    height:72vh;background:#16161c;border-radius:14px 14px 0 0;display:flex;flex-direction:column;
    border:1px solid #2a2a34;border-bottom:0}
.v-drawer-head{display:flex;align-items:center;padding:13px 16px;border-bottom:1px solid #26262f;font-size:15px;color:#fff}
.v-drawer-head b i{font-style:normal;color:#9a9aa8;font-size:13px;margin-left:5px}
.v-close{margin-left:auto;cursor:pointer;color:#9a9aa8;font-size:22px;line-height:1}
.v-drawer-body{flex:1;overflow:auto;padding:6px 16px}
.v-cmt{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid #23232c}
.v-cmt:last-child{border-bottom:0}
.v-cmt-av{flex:0 0 32px;width:32px;height:32px;border-radius:50%;background:#2c2c37;color:#c9c9d4;
    display:flex;align-items:center;justify-content:center;font-size:13px;overflow:hidden}
.v-cmt-av img{width:100%;height:100%;object-fit:cover}
.v-cmt-main{flex:1;min-width:0}
.v-cmt-top{display:flex;align-items:center;gap:8px;font-size:12.5px;color:#8a8a96}
.v-cmt-name{color:#e8e8ef;font-weight:600}
.v-cmt-del{margin-left:auto;color:#6d6d7a;cursor:pointer}
.v-cmt-del:hover{color:#fe2c55}
.v-cmt-text{font-size:13.5px;color:#d6d6e0;line-height:1.5;margin-top:3px;word-break:break-word}
.v-drawer-foot{border-top:1px solid #26262f;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    display:flex;gap:10px;align-items:flex-end}
.v-drawer-foot textarea{flex:1;background:#22222b;border:1px solid #33333f;border-radius:8px;color:#fff;
    padding:8px 10px;font-size:13.5px;resize:none;font-family:inherit;outline:none}
.v-drawer-foot button{border:0;background:#fe2c55;color:#fff;border-radius:8px;padding:9px 18px;
    font-size:14px;cursor:pointer;font-family:inherit}
.v-drawer-foot button:disabled{opacity:.6}
.v-drawer-tip{color:#8a8a96;font-size:13px}
.v-cmt-empty{text-align:center;color:#7b7b88;font-size:13.5px;padding:40px 0}

/* ---------- 上传弹窗 ---------- */
.v-modal{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.6);display:flex;
    align-items:center;justify-content:center;padding:18px}
.v-modal[hidden]{display:none}
.v-modal-box{width:100%;max-width:420px;background:#1c1c24;border-radius:14px;padding:18px 18px 16px;
    border:1px solid #33333f}
.v-modal-box h3{font-size:16px;margin-bottom:14px;display:flex;justify-content:space-between;align-items:center}
.v-modal-close{cursor:pointer;color:#888;font-size:22px;line-height:1;padding:0 4px}
.v-field{margin-bottom:12px}
.v-field label{display:block;font-size:12.5px;color:#9a9aa8;margin-bottom:5px}
.v-field input[type=text],.v-field textarea,.v-field input[type=file]{width:100%;background:#26262f;
    border:1px solid #3a3a46;border-radius:8px;color:#fff;font-size:13.5px;padding:9px 10px;outline:none}
.v-field textarea{resize:vertical}
.v-tip{font-size:13px;color:#ff7a8a;margin-bottom:8px}
.v-audit-tip{font-size:12px;color:#c9a34c;margin-bottom:8px}
.v-btns{display:flex;gap:10px;justify-content:flex-end}
.v-btns button{border:0;border-radius:8px;padding:9px 22px;font-size:14px;cursor:pointer}
#vCancel{background:#33333f;color:#ccc}
#vSubmit{background:#fe2c55;color:#fff}
#vSubmit:disabled{opacity:.55;cursor:default}

@media (min-width:760px){
    /* 桌面端播放态：居中手机比例观感 */
    .v-feed{max-width:480px;margin:0 auto;border-left:1px solid #1c1c1c;border-right:1px solid #1c1c1c}
    /* 顶部区域（顶栏 / 搜索 / 频道）同样居中，保持手机比例 */
    .v-head{max-width:508px;left:50%;transform:translateX(-50%)}
}

/* ---------- 视频简介下方：广告位（后台添加 / 会员购买投放，信息流每 N 条插一次） ----------
 * 统一矩形：单图 / 多图轮播 / 文字 / 空位占位一律同宽同高，比例取广告位建议尺寸
 * （后台「建议宽度 × 建议高度」，由 --ad-ar 注入；未配置时按默认矩形 16:9），
 * 图片一律 object-fit:cover 裁切填充 —— 不拉伸变形，也不会因原图比例不同而高低不齐。
 * ------------------------------------------------------------------------- */
.v-info .v-ad{margin-top:10px;text-shadow:none;--ad-ar:4 / 1}
.v-info .v-ad .ad-wrap{max-width:320px;margin-left:auto;margin-right:auto}
/* 网格卡片底部广告：按卡片宽度铺满、贴底 */
.v-card .v-card-ad{margin-top:auto;padding:6px 8px 10px;text-shadow:none;--ad-ar:4 / 1}
.v-card .v-card-ad .ad-wrap{max-width:none}
.v-ad .ad-wrap{margin:0}
.v-ad .ad-item,
.v-ad .ad-slot-empty{aspect-ratio:var(--ad-ar,4 / 1);max-height:42vh;border-radius:9px;overflow:hidden}
/* 图片广告：整块铺满矩形（不写 display：.ad-slide 靠 display 切换多图轮播，别覆盖它） */
.v-ad .ad-item img{width:100%;height:100%;object-fit:cover;object-position:center;border-radius:9px}
/* 多图轮播：绝对定位铺满矩形，切换图片时高度不变（.ad-slide 的 display 切换逻辑保持不变） */
.v-ad .ad-slideshow{position:absolute;inset:0;border-radius:9px;overflow:hidden}
/* 文字广告：同一个矩形里垂直居中，超长文案最多 4 行截断，不撑高卡片 */
.v-ad .ad-text{justify-content:center;align-items:center;gap:10px;padding:12px 14px;
    background:rgba(255,255,255,.94)}
.v-ad .ad-text-main{font-size:12.5px;line-height:1.5;
    display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.v-ad .ad-btn{font-size:12px;padding:4px 10px}
.v-ad .ad-tag{font-size:10px;padding:3px 7px}
/* 空位占位：同样占满矩形，内容居中 */
.v-ad .ad-slot-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:6px;padding:12px;text-align:center;background:rgba(255,255,255,.06);
    border-color:rgba(255,150,50,.75)}
.v-ad .ad-slot-price{position:static;transform:none}
.v-ad .ad-slot-ico{font-size:19px}
.v-ad .ad-slot-main{align-items:center}
.v-ad .ad-slot-main b{font-size:13px;color:#fff}
.v-ad .ad-slot-main em{font-size:11.5px;color:rgba(255,255,255,.62);white-space:normal}
.v-ad .ad-slot-price i{font-size:11.5px;color:#ffb26b}

/* 视频页（深色背景）广告轮换与投放入口适配 */
.v-ad .ad-rot-n{background:rgba(0,0,0,.55)}
.v-ad .ad-buy{border-color:rgba(255,150,50,.75);color:#ffb26b;background:rgba(255,150,50,.08)}
.v-ad .ad-buy:hover{background:rgba(255,150,50,.16)}

/* ---------- 顶部搜索框（只搜短视频板块内容） ---------- */
.v-search{position:static;margin:0 14px;display:flex;align-items:center;gap:8px;height:36px;
    padding:0 6px 0 12px;background:rgba(255,255,255,.15);border-radius:18px;backdrop-filter:blur(8px)}
.v-search-ico{font-size:13px;opacity:.8;line-height:1}
.v-search input{flex:1;min-width:0;border:0;background:none;outline:none;color:#fff;
    font-size:13.5px;font-family:inherit;height:100%}
.v-search input::placeholder{color:rgba(255,255,255,.55)}
.v-search input::-webkit-search-cancel-button{display:none}
.v-search-clear{flex:0 0 auto;width:18px;height:18px;line-height:17px;text-align:center;border-radius:50%;
    background:rgba(255,255,255,.22);color:#fff;font-size:13px;text-decoration:none}
.v-search-go{flex:0 0 auto;border:0;height:24px;padding:0 12px;border-radius:12px;cursor:pointer;
    background:#fe2c55;color:#fff;font-size:12.5px;font-family:inherit}
.v-search-go:active{transform:scale(.96)}

/* ---------- 搜索结果提示条（替换频道菜单） ---------- */
.v-search-tip{gap:0;justify-content:space-between;align-items:center;overflow:visible}
.v-tip-txt{font-size:13.5px;color:rgba(255,255,255,.72)}
.v-tip-txt b{color:#fe2c55;font-weight:700;padding:0 2px}
.v-tip-clear{color:#fff;font-size:12.5px;text-decoration:none;background:rgba(255,255,255,.16);
    padding:4px 12px;border-radius:12px}