/* =====================================================
   04 影像制作 · 影像专区
   沿用作品集站点配色：深海军蓝底 + 朱红唯一暖色
   两种状态：总览（.ov）/ 单件页（.solo）
   ===================================================== */

:root{
  --bg:#08111C;
  --bg-2:#0A1522;
  --ink:rgba(255,255,255,.94);
  --ink-2:rgba(255,255,255,.60);
  --ink-3:rgba(255,255,255,.38);
  --line:rgba(255,255,255,.075);
  --line-2:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.028);
  --glass-2:rgba(255,255,255,.055);
  --acc:#D8452C;
  --r-card:20px;
  --r-img:14px;
  --wrap:1560px;
  --pad:clamp(20px,5vw,72px);
  --mono:"SFMono-Regular",Menlo,Consolas,"Roboto Mono",ui-monospace,monospace;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--bg)}
body{
  margin:0;background:var(--bg);color:var(--ink);overflow-x:hidden;
  font-family:var(--sans);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img,video{display:block;max-width:100%}
h1,h2,h3,p{margin:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
[hidden]{display:none !important}
.mono{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3)}

/* =====================================================
   一、总览
   ===================================================== */
.ov{max-width:var(--wrap);margin:0 auto;padding:clamp(80px,12vh,150px) var(--pad) 110px}
.ov-head{max-width:900px}
.ov-head h1{margin-top:26px;font-size:clamp(30px,4vw,58px);line-height:1.22;letter-spacing:-.025em;font-weight:700}
.ov-sub{margin-top:26px;max-width:680px;font-size:16px;line-height:2;color:var(--ink-2)}
.ov-sub strong{color:var(--ink);font-weight:500}
.ov-back{margin-top:30px}
.ov-back a,.foot a{
  display:inline-flex;align-items:center;gap:9px;height:42px;padding:0 22px;
  border:1px solid var(--line-2);border-radius:999px;font-size:14px;color:var(--ink-2);
  transition:border-color .35s var(--ease),color .35s var(--ease),background .35s var(--ease);
}
.ov-back a:hover,.foot a:hover{border-color:var(--acc);color:var(--ink);background:var(--glass)}

/* 分组（二级目录）：产品动画 / 宣传视频 */
.grp{margin-top:82px}
.grp-head{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;
  padding-bottom:20px;border-bottom:1px solid var(--line)}
.grp-no{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--acc)}
.grp-name{font-size:clamp(20px,2vw,27px);font-weight:600;letter-spacing:-.01em}
.grp-desc{font-size:13.5px;color:var(--ink-3)}
.grp-n{margin-left:auto;font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--ink-3)}
.grp-grid{display:grid;gap:24px;margin-top:30px;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr))}

/* 作品卡：16:9，悬停时封面位置播该作的精选片段 */
.card{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  transition:border-color .45s var(--ease),transform .45s var(--ease);
}
.card:hover{border-color:var(--line-2);transform:translateY(-4px)}
.card-shot{position:relative;aspect-ratio:16/9;overflow:hidden;background:#04101a}
.card-shot img{width:100%;height:100%;object-fit:cover;transition:opacity .5s var(--ease),transform .7s var(--ease)}
.card:hover .card-shot img{transform:scale(1.03)}
.card-vid{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;pointer-events:none;transition:opacity .5s var(--ease);
}
.card.is-live .card-vid{opacity:1}
.card.is-live .card-shot img{opacity:0}
/* 悬停提示：有精选片段的卡右上角标一枚小播放点 */
.card-dot{
  position:absolute;top:14px;right:14px;z-index:3;
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;
  border-radius:999px;background:rgba(8,17,28,.72);border:1px solid var(--line-2);
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--ink-2);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  transition:color .35s var(--ease),border-color .35s var(--ease);
}
.card-dot::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--acc)}
.card:hover .card-dot{color:var(--ink);border-color:rgba(216,69,44,.6)}
.card-bd{position:relative;z-index:2;padding:18px 22px 22px}
.card-no{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--acc)}
.card-h{margin-top:9px;font-size:19px;font-weight:600;letter-spacing:-.01em}
.card-d{margin-top:7px;font-size:13.5px;color:var(--ink-2)}
.card-tags{margin-top:14px;padding-top:13px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:7px 15px;font-size:12.5px;color:var(--ink-3)}
.card-tags i{font-style:normal;color:var(--ink-2)}

/* =====================================================
   二、单件页 —— 顶部固定条
   ===================================================== */
.chrome{
  position:sticky;top:0;z-index:30;background:rgba(8,17,28,.92);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line-2);
}
.chrome-top{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);
  height:54px;display:flex;align-items:center;gap:20px}
.chrome-top .back{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);transition:color .3s var(--ease)}
.chrome-top .back:hover{color:var(--acc)}
.chrome-top .who{flex:1 1 auto;min-width:0;display:flex;align-items:baseline;gap:12px}
.chrome-top .who b{font-size:15.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chrome-top .who em{font-style:normal;flex:0 0 auto}
.chrome-top .jump{flex:0 0 auto;display:flex;align-items:center;gap:18px;font-size:13px;color:var(--ink-2)}
.chrome-top .jump a{transition:color .3s var(--ease);white-space:nowrap}
.chrome-top .jump a:hover{color:var(--acc)}
.chrome-top .jump a[aria-disabled="true"]{color:var(--ink-3);pointer-events:none;opacity:.5}
.chrome-top .nv-sep{display:inline-block;width:1px;height:14px;background:var(--line-2)}

/* =====================================================
   三、单件页 —— 主播放器（自绘控制条，不用浏览器默认控件）
   ===================================================== */
.solo{max-width:var(--wrap);margin:0 auto;padding:34px var(--pad) 100px}
.rd-lead{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 20px;margin-bottom:22px}
.rd-lead h1{font-size:clamp(22px,2.4vw,34px);font-weight:600;letter-spacing:-.02em}
.rd-lead .rd-note{flex:1 1 100%;font-size:13.5px;color:var(--ink-3)}

.pl{position:relative;border-radius:var(--r-card);overflow:hidden;
  background:#04101a;border:1px solid var(--line-2);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.8)}
.pl-v{width:100%;aspect-ratio:16/9;background:#04101a;object-fit:contain}

/* 封面 + 大播放按钮 */
.pl-cover{position:absolute;inset:0;z-index:4;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  background-size:cover;background-position:center;
  transition:opacity .5s var(--ease),visibility .5s}
.pl-cover::after{content:"";position:absolute;inset:0;background:rgba(8,17,28,.34)}
.pl.is-open .pl-cover{opacity:0;visibility:hidden;pointer-events:none}
.pl-big{
  position:relative;z-index:2;width:clamp(64px,7vw,86px);height:clamp(64px,7vw,86px);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.34);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:background .35s var(--ease),border-color .35s var(--ease),transform .35s var(--ease);
}
.pl-big svg{width:26px;height:26px;margin-left:3px;fill:#fff}
.pl-cover:hover .pl-big{background:var(--acc);border-color:var(--acc);transform:scale(1.06)}

/* 控制条 */
.pl-bar{position:absolute;left:0;right:0;bottom:0;z-index:5;
  display:flex;align-items:center;gap:14px;padding:16px 18px 14px;
  background:linear-gradient(to top,rgba(4,12,20,.94),rgba(4,12,20,.6) 62%,rgba(4,12,20,0));
  opacity:0;transform:translateY(8px);
  transition:opacity .35s var(--ease),transform .35s var(--ease);}
.pl.is-open .pl-bar,.pl:hover .pl-bar{opacity:1;transform:none}
.pl-btn{flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  transition:background .3s var(--ease),color .3s var(--ease);color:var(--ink-2)}
.pl-btn:hover{background:var(--glass-2);color:var(--ink)}
.pl-btn svg{width:17px;height:17px;fill:currentColor}
.pl-track{position:relative;flex:1 1 auto;align-self:stretch;display:flex;align-items:center;cursor:pointer}
.pl-track::before{content:"";position:absolute;left:0;right:0;top:50%;height:3px;margin-top:-1.5px;
  border-radius:2px;background:rgba(255,255,255,.18)}
.pl-fill{position:absolute;left:0;top:50%;height:3px;margin-top:-1.5px;width:0;border-radius:2px;background:var(--acc)}
.pl-knob{position:absolute;left:0;top:50%;width:11px;height:11px;margin-top:-5.5px;border-radius:50%;background:#fff;
  transform:translateX(-50%) scale(0);transition:transform .25s var(--ease)}
.pl-track:hover .pl-knob,.pl-track.is-drag .pl-knob,.pl-track:focus-visible .pl-knob{transform:translateX(-50%) scale(1)}
/* 悬停 / 拖动时的时间气泡 */
.pl-tip{position:absolute;left:0;bottom:calc(100% - 2px);transform:translateX(-50%);
  padding:4px 7px;border-radius:6px;white-space:nowrap;
  font-family:var(--mono);font-size:11px;line-height:1;letter-spacing:.06em;
  background:rgba(8,17,28,.94);border:1px solid var(--line-2);color:var(--ink);
  opacity:0;pointer-events:none;transition:opacity .2s var(--ease)}
.pl-track:hover .pl-tip,.pl-track.is-drag .pl-tip,.pl-track:focus-visible .pl-tip{opacity:1}
.pl-track:focus-visible{outline:2px solid var(--acc);outline-offset:1px;border-radius:6px}

/* 载入提示：服务器不支持 HTTP Range 时，得先把整片取下来才拖得动 */
.pl-load{position:absolute;inset:0;z-index:6;
  display:flex;align-items:center;justify-content:center;gap:10px;
  background:rgba(4,12,20,.72);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  font-size:13px;color:var(--ink-2);letter-spacing:.04em}
.pl-load[hidden]{display:none}
.pl-load-t{font-family:var(--mono);font-size:12px;letter-spacing:.06em}
.pl-spin{flex:0 0 auto;width:17px;height:17px;border-radius:50%;
  border:2px solid rgba(255,255,255,.22);border-top-color:var(--acc);
  animation:plspin .8s linear infinite}
@keyframes plspin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.pl-spin{animation-duration:2.4s}}
.pl-time{flex:0 0 auto;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--ink-2);
  min-width:74px;text-align:center}
.pl-bar .nv-sep{width:1px;height:16px;background:var(--line-2)}

/* =====================================================
   四、单件页 —— 信息条 / 区块
   ===================================================== */
.meta{margin-top:26px;display:grid;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr))}
.meta-cell{background:var(--bg);padding:18px 22px}
.meta-k{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--ink-3)}
.meta-v{margin-top:8px;font-size:15px;color:var(--ink)}
.meta-v.todo{color:var(--ink-3)}

.sec{margin-top:74px}
.sec-head{display:flex;align-items:baseline;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.sec-head h2{font-size:clamp(19px,1.9vw,25px);font-weight:600;letter-spacing:-.01em}
.sec-head .sec-n{margin-left:auto;font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--ink-3)}
.sec-head .sec-t{font-size:13.5px;color:var(--ink-3)}

/* 精选片段：悬停静音预览，点击就地播放 */
.clips{display:grid;gap:18px;margin-top:28px;
  grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.clip{position:relative;border-radius:var(--r-img);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);cursor:pointer;
  transition:border-color .4s var(--ease),transform .4s var(--ease)}
.clip:hover{border-color:var(--line-2);transform:translateY(-3px)}
.clip.is-on{border-color:var(--acc)}
.clip-shot{position:relative;aspect-ratio:16/9;background:#04101a;overflow:hidden}
.clip-shot img{width:100%;height:100%;object-fit:cover}
.clip-v{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;pointer-events:none;transition:opacity .4s var(--ease)}
.clip.is-live .clip-v,.clip.is-on .clip-v{opacity:1}
.clip.is-live .clip-shot img,.clip.is-on .clip-shot img{opacity:0}
.clip-play{position:absolute;left:50%;top:50%;z-index:3;width:46px;height:46px;
  margin:-23px 0 0 -23px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(8,17,28,.6);border:1px solid rgba(255,255,255,.3);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  opacity:1;transition:opacity .35s var(--ease),background .35s var(--ease)}
.clip-play svg{width:16px;height:16px;fill:#fff;margin-left:2px}
.clip:hover .clip-play{background:var(--acc);border-color:var(--acc)}
.clip.is-live .clip-play,.clip.is-on .clip-play{opacity:0}
.clip-bd{padding:12px 15px 15px;display:flex;align-items:baseline;gap:10px}
.clip-t{font-size:13.5px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.clip-d{margin-left:auto;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--ink-3);flex:0 0 auto}

/* 过程分镜 */
.stills{columns:3;column-gap:18px;margin-top:28px}
@media (max-width:1100px){.stills{columns:2}}
@media (max-width:640px){.stills{columns:1}}
.still{break-inside:avoid;margin-bottom:18px;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);cursor:zoom-in;background:#04101a;
  transition:border-color .4s var(--ease)}
.still:hover{border-color:var(--line-2)}
.still img{width:100%;display:block}
.still-cap{padding:9px 13px;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--ink-3)}

/* =====================================================
   五、灯箱
   ===================================================== */
.lb{position:fixed;inset:0;z-index:80;background:rgba(4,10,17,.96);
  display:flex;align-items:center;justify-content:center;padding:clamp(16px,4vw,54px)}
.lb-img{max-width:100%;max-height:calc(100vh - 130px);border-radius:10px;
  box-shadow:0 40px 90px -30px rgba(0,0,0,.9)}
.lb-btn{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--glass-2);border:1px solid var(--line-2);color:var(--ink);
  transition:background .3s var(--ease),border-color .3s var(--ease)}
.lb-btn:hover{background:var(--acc);border-color:var(--acc)}
.lb-btn svg{width:20px;height:20px;fill:currentColor}
.lb-prev{left:clamp(10px,3vw,40px)}
.lb-next{right:clamp(10px,3vw,40px)}
.lb-close{position:absolute;top:clamp(14px,3vw,30px);right:clamp(14px,3vw,30px);
  width:44px;height:44px;transform:none}
.lb-cap{position:absolute;left:0;right:0;bottom:22px;text-align:center;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;color:var(--ink-2)}

/* =====================================================
   六、页脚
   ===================================================== */
.foot{margin-top:80px;padding-top:28px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.foot .mf{margin-left:auto;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ink-3)}

/* =====================================================
   七、响应式
   ===================================================== */
@media (max-width:1024px){
  .chrome-top .jump .jump-extra{display:none}
}
@media (max-width:768px){
  .ov{padding-top:70px}
  .grp{margin-top:60px}
  .pl-bar{gap:10px;padding:12px 12px 10px}
  .pl-time{min-width:0;font-size:11px}
  .pl-time-sep{display:none}
  .sec{margin-top:56px}
}