/* ==========================================================
   短视频板块 · 星河模板（列表页 + 刷一刷播放页）
   依赖 style.css 的色板变量
   ========================================================== */

/* ---------- 列表页 ---------- */
.sl-crumb{padding-top:18px;margin-bottom:0}
.page-hd h1 small{font-size:16px;font-weight:600;color:var(--text-3)}
.sl-tabs{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;margin:16px 0 18px;padding:8px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius)}
.sl-tabs::-webkit-scrollbar{display:none}
.sl-tabs .chip{flex:0 0 auto}
.sl-start{margin:0 0 20px}
.sl-start svg{width:18px;height:18px;fill:currentColor}
.sl-empty{padding:90px 0}

.sgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px 12px}
.scard{min-width:0}
.scard>a{display:block}
.scard-pic{position:relative;aspect-ratio:9/16;border-radius:var(--radius);overflow:hidden;background:var(--bg-3)}
.scard-pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.scard:hover .scard-pic img{transform:scale(1.04)}
.scard-pic::after{content:"";position:absolute;inset:auto 0 0 0;height:38%;background:linear-gradient(transparent,rgba(0,0,0,.75));pointer-events:none}
.scard-dur,.scard-hits{position:absolute;bottom:7px;z-index:2;font-size:12px;line-height:1;color:#fff;display:flex;align-items:center;gap:3px}
.scard-dur{right:8px;padding:3px 6px;border-radius:5px;background:rgba(0,0,0,.5)}
.scard-hits{left:8px}
.scard-hits svg{width:12px;height:12px;fill:currentColor}
.scard-name{margin-top:8px;font-size:14px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.scard:hover .scard-name{color:var(--accent)}
@media (max-width:1100px){.sgrid{grid-template-columns:repeat(4,1fr)}}
@media (max-width:899px){.sgrid{grid-template-columns:repeat(3,1fr);gap:14px 10px}}
@media (max-width:560px){.sgrid{grid-template-columns:repeat(2,1fr)}.sl-start{width:100%}}

/* 首页短视频横排 */
.srow{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 5*12px)/6);gap:12px;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x mandatory}
.srow::-webkit-scrollbar{display:none}
.srow .scard{scroll-snap-align:start}
@media (max-width:1100px){.srow{grid-auto-columns:calc((100% - 3*12px)/4)}}
@media (max-width:899px){.srow{grid-auto-columns:38%}}

/* ---------- 刷一刷播放页 ---------- */
html.sv-html,.sv-body{height:100%;overflow:hidden;background:#000;overscroll-behavior:none}
.sv{position:fixed;inset:0;--col:min(100vw,calc(100dvh * 9 / 16));color:#fff;user-select:none;-webkit-user-select:none}
.sv-feed{position:absolute;inset:0;overflow-y:auto;overflow-x:hidden;scroll-snap-type:y mandatory;overscroll-behavior:contain;scrollbar-width:none;outline:0}
.sv-feed::-webkit-scrollbar{display:none}
.sv-item{position:relative;height:100%;scroll-snap-align:start;scroll-snap-stop:always;overflow:hidden;background:#000}
.sv-media{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.sv-bg{position:absolute;inset:-40px;width:calc(100% + 80px);height:calc(100% + 80px);max-width:none;object-fit:cover;filter:blur(36px) brightness(.45);transform:scale(1.1)}
.sv-poster,.sv-video,.sv-frame{position:relative;width:100%;height:100%;object-fit:contain;max-width:none}
.sv-video{background:transparent}
.sv-poster{transition:opacity .25s}
.sv-item.is-playing .sv-poster{opacity:0}
.sv-item .sv-video{position:absolute;inset:0}
.sv-frame{position:absolute;inset:0;border:0;background:#000;z-index:1}
@media (min-width:900px){
  /* 宽屏：视频、封面、iframe 都限制在居中的 9:16 列里（不用 margin:auto，避免和 left 叠加偏移） */
  .sv-poster{width:var(--col)}
  .sv-item .sv-video,.sv-frame{left:calc((100% - var(--col)) / 2);right:auto;width:var(--col);margin:0}
}

/* 暂停图标 / 加载 / 错误 */
.sv-item.is-cur.is-paused .sv-media::after{content:"";position:absolute;left:50%;top:50%;width:64px;height:64px;margin:-32px 0 0 -32px;border-radius:50%;background:rgba(0,0,0,.35) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E") center/34px no-repeat;z-index:3;pointer-events:none}
.sv-item.is-cur.is-loading .sv-media::before{content:"";position:absolute;left:50%;top:50%;width:40px;height:40px;margin:-20px 0 0 -20px;border:3px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:sv-spin .8s linear infinite;z-index:3}
@keyframes sv-spin{to{transform:rotate(360deg)}}
.sv-err{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:4;padding:10px 16px;border-radius:999px;background:rgba(0,0,0,.6);font-size:14px;white-space:nowrap}

/* 顶部 */
.sv-top{position:absolute;left:0;right:0;top:0;z-index:20;display:flex;align-items:center;gap:6px;padding:calc(8px + env(safe-area-inset-top,0px)) 10px 26px;background:linear-gradient(rgba(0,0,0,.55),transparent);pointer-events:none}
.sv-top>*{pointer-events:auto}
.sv-ibtn{flex:0 0 auto;width:40px;height:40px;display:grid;place-items:center;border-radius:50%;color:#fff}
.sv-ibtn svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.sv-ibtn:hover{background:rgba(255,255,255,.12)}
.sv-cats{flex:1;min-width:0;display:flex;gap:18px;justify-content:center;overflow-x:auto;scrollbar-width:none;font-size:16px;font-weight:600}
.sv-cats::-webkit-scrollbar{display:none}
.sv-cats a{flex:0 0 auto;padding:6px 0;color:rgba(255,255,255,.7);position:relative}
.sv-cats a[aria-current]{color:#fff}
.sv-cats a[aria-current]::after{content:"";position:absolute;left:50%;bottom:0;width:18px;height:3px;margin-left:-9px;border-radius:2px;background:#fff}
@media (max-width:560px){.sv-cats{justify-content:flex-start;gap:16px;font-size:15px}}

/* 左下信息 */
.sv-info{position:absolute;left:0;right:72px;bottom:0;z-index:6;padding:60px 16px calc(22px + env(safe-area-inset-bottom,0px));background:linear-gradient(transparent,rgba(0,0,0,.6));text-shadow:0 1px 2px rgba(0,0,0,.5);pointer-events:none}
.sv-info a{pointer-events:auto}
.sv-cat{display:inline-block;margin-bottom:8px;padding:3px 10px;border-radius:999px;background:rgba(255,255,255,.18);font-size:12px}
.sv-title{font-size:17px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sv-desc{margin-top:6px;font-size:14px;line-height:1.55;color:rgba(255,255,255,.88);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sv-actor{margin-top:4px;font-size:13px;color:rgba(255,255,255,.75);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sv-tags{margin-top:6px;display:flex;flex-wrap:wrap;gap:4px 10px;font-size:14px;font-weight:600}
.sv-tags:empty{display:none}
@media (min-width:900px){
  .sv-info{left:calc((100% - var(--col))/2);right:auto;width:var(--col);padding-right:16px;background:linear-gradient(transparent,rgba(0,0,0,.55))}
}

/* 右侧操作 */
.sv-acts{position:absolute;right:8px;bottom:calc(120px + env(safe-area-inset-bottom,0px));z-index:15;display:flex;flex-direction:column;align-items:center;gap:16px}
.sv-act{display:flex;flex-direction:column;align-items:center;gap:3px;color:#fff;font-size:12px;text-shadow:0 1px 2px rgba(0,0,0,.5)}
.sv-act svg{width:44px;height:44px;padding:9px;border-radius:50%;background:rgba(0,0,0,.28);fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .15s,background .2s}
.sv-act:hover svg{background:rgba(255,255,255,.18)}
.sv-act:active svg{transform:scale(.88)}
.sv-act[data-act="like"] svg{fill:rgba(255,255,255,.9);stroke:none}
.sv-act[data-act="like"][aria-pressed="true"] svg{fill:var(--accent)}
.sv-act[data-act="like"][aria-pressed="true"] svg{animation:sv-pop .35s}
@keyframes sv-pop{50%{transform:scale(1.25)}}
.sv-act .i-off{display:none}
.sv-act[aria-pressed="true"] .i-on{display:none}
.sv-act[aria-pressed="true"] .i-off{display:block}
.sv-nav{display:none}
.sv.no-video .sv-act:not(.sv-nav){opacity:.35;pointer-events:none}
@media (hover:hover) and (pointer:fine),(min-width:900px){.sv-nav{display:flex}}
.sv.frame-mode .sv-nav{display:flex}
@media (min-width:900px){
  .sv-acts{right:auto;left:calc(50% + var(--col)/2 + 20px);bottom:50%;transform:translateY(50%)}
}

/* 进度条 */
.sv-progress{position:absolute;left:0;right:0;bottom:0;z-index:16;height:14px;cursor:pointer;display:flex;align-items:flex-end}
.sv-progress::before{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:rgba(255,255,255,.18)}
.sv-progress i{position:relative;display:block;height:2px;width:0;background:#fff;transition:height .15s}
.sv-progress:hover i,.sv-progress:hover::before{height:4px}
.sv.no-video .sv-progress,.sv.frame-mode .sv-progress{display:none}
@media (min-width:900px){.sv-progress{left:calc((100% - var(--col))/2);right:auto;width:var(--col)}}

/* 开声音 / 提示 / toast / 双击爱心 */
.sv-unmute{position:absolute;left:50%;top:calc(66px + env(safe-area-inset-top,0px));transform:translateX(-50%);z-index:18;display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;background:rgba(0,0,0,.55);color:#fff;font-size:14px;backdrop-filter:blur(6px)}
.sv-unmute svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.sv-unmute[hidden]{display:none}
.sv-hint{position:absolute;inset:0;z-index:30;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:rgba(0,0,0,.6);text-align:center;font-size:16px}
.sv-hint[hidden]{display:none}
.sv-hint-hand{display:block;width:44px;height:44px;margin:0 auto 10px;border-radius:50%;border:3px solid #fff;animation:sv-up 1.4s ease-in-out infinite}
@keyframes sv-up{0%{transform:translateY(30px);opacity:0}30%{opacity:1}100%{transform:translateY(-30px);opacity:0}}
.sv-hint-pc{font-size:13px;color:rgba(255,255,255,.7)}
@media (hover:none){.sv-hint-pc{display:none}}
.sv-toast{position:absolute;left:50%;top:45%;transform:translate(-50%,-50%);z-index:40;padding:10px 18px;border-radius:10px;background:rgba(0,0,0,.72);font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;max-width:80vw;text-align:center;word-break:break-all}
.sv-toast.on{opacity:1}
.sv-heart{position:absolute;z-index:25;width:90px;height:90px;margin:-45px 0 0 -45px;pointer-events:none;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ff5a3c'%3E%3Cpath d='M12 20.5s-7.5-4.6-9.4-9.1C1.2 8 3.3 4.8 6.6 4.8c2 0 3.5 1.1 4.4 2.6h2c.9-1.5 2.4-2.6 4.4-2.6 3.3 0 5.4 3.2 4 6.6-1.9 4.5-9.4 9.1-9.4 9.1z'/%3E%3C/svg%3E") center/contain no-repeat;animation:sv-heart .8s ease-out forwards}
@keyframes sv-heart{0%{transform:scale(.4) rotate(-12deg);opacity:0}20%{transform:scale(1.1) rotate(-12deg);opacity:1}100%{transform:scale(1.5) translateY(-60px) rotate(-12deg);opacity:0}}

/* 广告条目 / 结束条目 */
.sv-ad,.sv-end{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:70px 20px 40px;text-align:center}
.sv-ad-label{padding:2px 10px;border-radius:999px;background:rgba(255,255,255,.18);font-size:12px}
.sv-ad-body{width:min(100%,var(--col));max-height:70vh;overflow:hidden;border-radius:var(--radius)}
.sv-ad-link{display:block;color:#fff}
.sv-ad-link img{width:100%;height:auto;max-height:64vh;object-fit:contain}
.sv-ad-link span{display:block;padding:10px;font-size:14px;line-height:1.6;white-space:pre-wrap}
.sv-ad-tip{font-size:13px;color:rgba(255,255,255,.65)}
.sv-end b{font-size:20px}
.sv-end p{color:rgba(255,255,255,.7)}

/* 简介 / 更多 抽屉 */
.sv-mask{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.5);opacity:0;visibility:hidden;transition:.25s}
.sv-mask.on{opacity:1;visibility:visible}
.sv-sheet{position:fixed;left:0;right:0;bottom:0;z-index:51;max-height:78vh;display:flex;flex-direction:column;background:var(--bg-2);color:var(--text);border-radius:16px 16px 0 0;transform:translateY(100%);transition:transform .3s;padding-bottom:env(safe-area-inset-bottom,0px)}
.sv-sheet.on{transform:none}
.sv-sheet-hd{display:flex;align-items:center;justify-content:space-between;padding:10px 10px 6px 18px;border-bottom:1px solid var(--line)}
.sv-sheet-hd b{font-size:16px}
.sv-sheet-bd{overflow-y:auto;padding:14px 18px 24px}
.sv-sheet-name{font-size:18px;font-weight:800;line-height:1.4}
.sv-sheet-desc{margin-top:6px;color:var(--text-2);line-height:1.7}
.sv-sheet-tt{margin:22px 0 12px;font-size:16px;font-weight:800}
.sgrid-s{grid-template-columns:repeat(3,1fr);gap:12px 10px}
.sgrid-s .scard-name{font-size:13px}
.sv-sheet-all{width:100%;margin-top:18px}
@media (min-width:900px){
  .sv-sheet{left:auto;top:0;width:440px;max-height:none;border-radius:16px 0 0 16px;transform:translateX(100%)}
}