/* 作品页 / 查看页 / 口令页 / 管理页：首页负责耍帅，这里负责好用。
   沿用首页的墨、宣纸、朱红；标题用毛笔字（服务端按标题动态取子集），正文用系统字体。 */
:root {
  --ink: #0F0E0D;
  --ink-2: #1A1816;
  --ink-3: #26231F;
  --paper: #E8E3D8;
  --muted: #9A9387;
  --cinnabar: #D22F1E;
  --gold: #D8A75B;
  --brush: "HTH Brush", "Zhi Mang Xing", "STXingkai", "KaiTi", serif;
  --cond: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --body: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;
  --ease: cubic-bezier(.06, .81, 0, .98);
  --cut: 16px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ink); color: var(--paper); font: 400 17px/1.7 var(--body); }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* 墨退：从首页墨漫进来，这里墨往回收 */
.inkin { position: fixed; inset: 0; z-index: 50; background: var(--ink); pointer-events: none;
  -webkit-mask: radial-gradient(circle at 12% 92%, transparent var(--r), #000 calc(var(--r) + 2%));
          mask: radial-gradient(circle at 12% 92%, transparent var(--r), #000 calc(var(--r) + 2%));
  animation: inkout .75s var(--ease) forwards; }
@property --r { syntax: "<percentage>"; inherits: false; initial-value: 0%; }
@keyframes inkout { from { --r: 0%; } to { --r: 160%; visibility: hidden; } }
@media (prefers-reduced-motion: reduce) { .inkin { display: none; } }

/* ---------- 顶栏 ---------- */
.top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 28px; padding: 16px 40px;
  background: rgba(15, 14, 13, .86); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--ink-3); }
.logo { display: flex; align-items: center; gap: 10px; font: 900 26px/1 var(--cond); letter-spacing: .06em; }
.logo i { width: 12px; height: 12px; background: var(--cinnabar); transform: rotate(45deg); }
.tabs { display: flex; gap: 6px; margin-left: auto; }
.tabs button { background: none; border: 0; cursor: pointer; padding: 8px 14px 7px; font: 800 17px/1 var(--cond); letter-spacing: .14em; color: var(--muted);
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%); }
.tabs button span { font-size: 13px; margin-left: 6px; opacity: .7; }
.tabs button[aria-pressed="true"] { background: var(--paper); color: var(--ink); }
.tabs button:not([aria-pressed="true"]):hover { color: var(--paper); }

/* ---------- 标题区 ---------- */
.head { position: relative; padding: 56px 40px 36px; overflow: hidden; }
.head h1 { margin: 0; font: 900 clamp(84px, 15vw, 230px)/.82 var(--cond); letter-spacing: .02em; color: var(--paper); }
.head .slash { position: absolute; left: -5%; right: -5%; top: 58%; height: 10px; background: var(--cinnabar); transform: rotate(-4deg); transform-origin: left center;
  animation: slash .9s var(--ease) .35s both; }
@keyframes slash { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
.head .count { position: absolute; right: 40px; bottom: 40px; font: 900 72px/1 var(--cond); color: var(--cinnabar); }

/* ---------- 作品卡 ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 44px 28px; padding: 12px 40px 80px; }
.card { position: relative; display: flex; flex-direction: column; background: var(--ink-2);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut)); }
.card[hidden] { display: none; }
.cv { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--ink-3); }
.cv img { width: 100%; height: 100%; object-fit: cover; display: block; filter: grayscale(1) contrast(1.12) brightness(.82);
  transition: filter .55s var(--ease), transform .9s var(--ease); }
.card:hover .cv img, .card:focus-visible .cv img { filter: none; transform: scale(1.04); }
.cv .ph { position: absolute; inset: 0; display: grid; place-items: center; font: 400 64px/1 var(--brush); color: var(--ink-3);
  background: repeating-linear-gradient(-35deg, var(--ink-2) 0 14px, var(--ink-3) 14px 15px); }
.tag { position: absolute; z-index: 2; top: 0; left: var(--cut); font: 800 15px/1 var(--cond); letter-spacing: .22em; padding: 7px 10px 6px; background: var(--paper); color: var(--ink); }
.t-video .tag { background: var(--cinnabar); color: var(--paper); }
.t-live .tag { background: var(--gold); }
.lock { position: absolute; z-index: 2; top: 10px; right: 12px; font: 700 13px/1 var(--body); padding: 5px 8px; background: rgba(15, 14, 13, .8); color: var(--gold); border: 1px solid var(--gold); }
.meta { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 16px 20px 4px; }
.meta b { font: 400 40px/1.1 var(--brush); font-weight: 400; }
.meta em { font: 800 18px/1 var(--cond); font-style: normal; letter-spacing: .1em; color: var(--muted); flex: none; }
.desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin: 0 20px 20px; font-size: 16px; color: var(--muted); }
.card::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--cinnabar); transform: scaleX(0); transform-origin: left;
  transition: transform .5s var(--ease); }
.card:hover::after, .card:focus-visible::after { transform: scaleX(1); }
.empty { padding: 40px; color: var(--muted); }

.foot { display: flex; justify-content: space-between; gap: 16px; padding: 24px 40px 40px; border-top: 1px solid var(--ink-3); font: 800 15px/1 var(--cond); letter-spacing: .16em; color: var(--muted); }
.foot a:hover { color: var(--paper); }

/* ---------- 查看页 ---------- */
.bar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 16px; height: 52px; padding: 0 18px; background: var(--ink); border-bottom: 1px solid var(--ink-3); }
.back { display: flex; align-items: center; gap: 8px; font: 800 17px/1 var(--cond); letter-spacing: .14em; color: var(--muted); }
.back:hover { color: var(--paper); }
.back svg { width: 16px; height: 16px; }
.bar .title { flex: 1; min-width: 0; display: flex; align-items: center; justify-content: center; gap: 10px; }
.bar .title b { font: 400 26px/1 var(--brush); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar .title .tag { position: static; font-size: 12px; padding: 5px 7px 4px; }
.acts { display: flex; gap: 8px; }
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--ink-3); background: var(--ink-2); color: var(--paper); cursor: pointer;
  font: 600 14px/1 var(--body); padding: 9px 12px; }
.btn:hover { border-color: var(--muted); }
.btn.red { background: var(--cinnabar); border-color: var(--cinnabar); }
.frame { display: block; width: 100%; height: calc(100vh - 52px); height: calc(100dvh - 52px); border: 0; background: #fff; }

.watch { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 48px; align-items: start; padding: 40px; max-width: 1480px; margin: 0 auto; }
.stage { background: #000; display: grid; place-items: center; clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut)); }
.stage video, .stage img { display: block; max-width: 100%; max-height: 78vh; max-height: 78dvh; background: #000; }
.info .tag { position: static; display: inline-block; }
.info h1 { font: 400 clamp(56px, 7vw, 104px)/1 var(--brush); margin: 16px 0 12px; }
.info .facts { font: 800 18px/1 var(--cond); letter-spacing: .12em; color: var(--muted); margin: 0 0 20px; }
.info .long { margin: 0 0 28px; max-width: 32em; white-space: pre-line; }
.q { display: flex; align-items: center; gap: 10px; margin-bottom: 30px; font-size: 15px; color: var(--muted); }
.q button { background: none; border: 1px solid var(--ink-3); color: var(--muted); cursor: pointer; font: 800 15px/1 var(--cond); letter-spacing: .1em; padding: 8px 12px; }
.q button[aria-pressed="true"] { border-color: var(--paper); color: var(--paper); }
.next { display: flex; gap: 16px; align-items: center; padding: 12px; background: var(--ink-2); }
.next img { width: 128px; aspect-ratio: 16 / 10; object-fit: cover; filter: grayscale(1); }
.next:hover img { filter: none; }
.next small { display: block; font: 800 14px/1 var(--cond); letter-spacing: .2em; color: var(--muted); margin-bottom: 6px; }
.next b { font: 400 32px/1.1 var(--brush); }
.wait { padding: 60px 20px; text-align: center; color: var(--muted); }

.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); z-index: 60; background: var(--paper); color: var(--ink); padding: 10px 18px; font-weight: 600; opacity: 0; transition: .25s; pointer-events: none; }
.toast.on { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 口令页 ---------- */
.gate { min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(ellipse at 30% 20%, #2a2622 0%, var(--ink) 60%); }
.gate form { width: min(420px, 100%); }
.gate .tag { position: static; display: inline-block; }
.gate h1 { font: 400 64px/1.05 var(--brush); margin: 18px 0 8px; }
.gate p { color: var(--muted); margin: 0 0 24px; }
.gate .row { display: flex; }
.gate input { flex: 1; min-width: 0; background: var(--ink-2); border: 1px solid var(--ink-3); border-right: 0; padding: 14px 16px; font-size: 17px; }
.gate input:focus { outline: none; border-color: var(--muted); }
.gate button { background: var(--cinnabar); border: 0; padding: 0 22px; cursor: pointer; font: 800 18px/1 var(--cond); letter-spacing: .2em; }
.gate .err { color: #ff8a7a; margin: 14px 0 0; }

/* ---------- 手机 ---------- */
@media (max-width: 760px) {
  .top { padding: 12px 16px; gap: 12px; }
  .logo { font-size: 22px; }
  .tabs { overflow-x: auto; }
  .tabs button { padding: 7px 10px 6px; font-size: 15px; }
  .tabs button span { display: none; }
  .head { padding: 36px 16px 24px; }
  .head .count { right: 16px; top: 12px; bottom: auto; font-size: 32px; }
  .grid { grid-template-columns: 1fr; padding: 8px 16px 56px; gap: 32px; }
  .meta b { font-size: 34px; }
  .foot { padding: 20px 16px 32px; }
  .bar { padding: 0 10px; gap: 10px; }
  .back span { display: none; }
  .bar .title b { font-size: 22px; }
  .acts .hide-s { display: none; }
  .watch { grid-template-columns: 1fr; padding: 16px; gap: 24px; }
  .stage video, .stage img { max-height: 70vh; max-height: 70dvh; }
  .next img { width: 104px; }
}