/* ============================================================
   纸上 · 妹妹的作文 —— 视觉样式
   基调：暖旧纸 / 衬线 / 朱红印章 / 克制的留白
   阅读页默认纯文字，原稿按需调出
   ============================================================ */

:root{
  --paper:      #F6F1E5;
  --paper-hi:   #FCF9F2;
  --paper-dim:  #EFE8D8;
  --card:       #FEFCF7;
  --ink:        #241E18;
  --ink-2:      #5C5145;
  --ink-3:      #9C9083;
  --rule:       #DCD2BE;
  --rule-soft:  #EAE2D2;
  --seal:       #A63B2A;
  --seal-soft:  rgba(166,59,42,.10);

  --shadow-s: 0 1px 2px rgba(72,56,32,.06), 0 2px 8px rgba(72,56,32,.05);
  --shadow-m: 0 2px 6px rgba(72,56,32,.07), 0 16px 38px rgba(72,56,32,.11);
  --shadow-l: 0 4px 10px rgba(72,56,32,.08), 0 30px 70px rgba(72,56,32,.16);

  --serif: "Source Han Serif SC","Noto Serif SC","Songti SC",STSong,"SimSun",serif;
  --sans: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;

  --ease: cubic-bezier(.22,.61,.36,1);
  --bar: 60px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--sans); font-size:15px; line-height:1.7;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{display:block; max-width:100%}
button{font:inherit; color:inherit; background:none; border:0; cursor:pointer}
a{color:inherit; text-decoration:none}
::selection{background:rgba(166,59,42,.16)}

.grain{
  position:fixed; inset:0; z-index:1; pointer-events:none; opacity:.55;
  background-image:
    repeating-linear-gradient(0deg, rgba(120,100,70,.030) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgba(120,100,70,.020) 0 1px, transparent 1px 4px);
}

.view{display:block; position:relative; z-index:2}
.view[hidden]{display:none}

/* ══════════════ 首屏 ══════════════ */
.hero{max-width:1160px; margin:0 auto; padding:72px 40px 44px}

.sheet{
  position:relative; background:var(--paper-hi);
  border:1px solid var(--rule); border-radius:2px;
  padding:66px 60px 58px; box-shadow:var(--shadow-m);
  clip-path:inset(0 0 100% 0);
}
.js-ready .sheet{animation:unroll 1.15s var(--ease) .12s forwards}
@keyframes unroll{
  0%{clip-path:inset(0 0 100% 0); transform:translateY(-8px)}
  100%{clip-path:inset(0 0 0 0); transform:none}
}
.sheet::before{
  content:""; position:absolute; left:0; right:0; bottom:0; height:3px;
  background:linear-gradient(90deg,transparent,rgba(72,56,32,.10),transparent);
}
.sheet-roll{
  position:absolute; left:-1px; right:-1px; top:-1px; height:5px;
  background:linear-gradient(180deg,rgba(72,56,32,.13),transparent);
  border-radius:2px 2px 0 0;
}

.eyebrow{
  margin:0 0 26px; font-size:11.5px; letter-spacing:.28em;
  color:var(--ink-3); font-weight:500;
}
.display{
  margin:0; font-family:var(--serif); font-weight:400;
  font-size:clamp(60px,9.5vw,116px); line-height:.95; letter-spacing:.2em;
  color:var(--ink); display:flex;
}
.display span{display:inline-block; animation:charIn .9s var(--ease) both}
.display span:nth-child(1){animation-delay:.34s}
.display span:nth-child(2){animation-delay:.46s}
.display span:nth-child(3){animation-delay:.58s}
.display span:nth-child(4){animation-delay:.70s}
.display.is-4{font-size:clamp(44px,7.2vw,88px); letter-spacing:.14em}
@keyframes charIn{from{opacity:0; transform:translateY(14px) rotate(-2deg)}to{opacity:1; transform:none}}

.upline{display:block; width:min(320px,52vw); height:14px; margin:12px 0 0 -4px; overflow:visible}
.upline path{
  fill:none; stroke:var(--seal); stroke-width:2.4; stroke-linecap:round;
  stroke-dasharray:340; stroke-dashoffset:340;
}
.js-ready .upline path{animation:draw 1.05s var(--ease) 1s forwards}
@keyframes draw{to{stroke-dashoffset:0}}

.lede{
  margin:26px 0 0; max-width:54ch; font-family:var(--serif);
  font-size:16.5px; line-height:2.05; color:var(--ink-2);
}
.lede b{font-weight:400; color:var(--ink); border-bottom:1px solid var(--rule); padding-bottom:1px}

.hero-actions{display:flex; gap:12px; margin-top:36px; flex-wrap:wrap}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:11px 20px; border-radius:2px; font-size:13.5px; letter-spacing:.06em;
  transition:transform .3s var(--ease), background .3s, color .3s, border-color .3s, box-shadow .3s;
}
.btn svg{flex:none; opacity:.85}
.btn-solid{background:var(--ink); color:var(--paper-hi); box-shadow:var(--shadow-s)}
.btn-solid:hover{transform:translateY(-2px); box-shadow:var(--shadow-m); background:#100d0a}
.btn-line{border:1px solid var(--rule); color:var(--ink-2); background:transparent}
.btn-line:hover{transform:translateY(-2px); border-color:var(--ink-3); color:var(--ink); background:var(--paper-dim)}
.btn:active{transform:translateY(0) scale(.985)}

/* ══════════════ 筛选 ══════════════ */
.filters{
  position:sticky; top:0; z-index:20;
  max-width:1160px; margin:0 auto; padding:0 40px;
  background:linear-gradient(180deg,var(--paper) 78%,rgba(246,241,229,0));
  backdrop-filter:blur(2px);
}
.filter-row{
  display:flex; align-items:center; gap:18px;
  padding:11px 0; border-top:1px solid var(--rule-soft);
}
.filter-row:first-child{border-top:1px solid var(--rule)}
.filter-label{flex:none; width:34px; font-size:11.5px; letter-spacing:.2em; color:var(--ink-3)}
.chips{display:flex; gap:8px; flex-wrap:wrap}
.chip{
  padding:6px 14px; border:1px solid transparent; border-radius:999px;
  font-size:12.5px; letter-spacing:.04em; color:var(--ink-2);
  transition:all .28s var(--ease);
}
.chip:hover{background:var(--paper-dim); color:var(--ink)}
.chip.on{background:var(--ink); color:var(--paper-hi); border-color:var(--ink)}
.chip .n{opacity:.5; margin-left:5px; font-size:11px}

/* ══════════════ 画廊 ══════════════ */
.gallery{max-width:1160px; margin:0 auto; padding:36px 40px 20px}

.year-block{margin:34px 0 22px; display:flex; align-items:baseline; gap:16px}
.year-block:first-child{margin-top:0}
.year{
  margin:0; font-family:var(--serif); font-weight:400; font-size:15px;
  letter-spacing:.28em; color:var(--ink-2);
}
.year-rule{flex:1; height:1px; background:var(--rule)}
.yr-count{font-size:11.5px; color:var(--ink-3); letter-spacing:.1em}

.grid{
  display:grid; gap:34px 28px;
  grid-template-columns:repeat(auto-fill,minmax(272px,1fr));
  align-items:start;
}
.gallery.solo .grid{grid-template-columns:minmax(0,400px); gap:44px}

.card{
  --rot:0deg; --ty:0px; --rx:0deg; --ry:0deg;
  position:relative; perspective:1000px;
  opacity:0; transform:translateY(26px);
}
.card.in{opacity:1; transform:none; transition:opacity .7s var(--ease), transform .7s var(--ease)}
.card:nth-child(3n+1){--rot:-.55deg}
.card:nth-child(3n+2){--rot:.4deg}
.card:nth-child(3n+3){--rot:-.2deg}

.card-paper{
  position:relative; display:block; width:100%; text-align:left;
  background:var(--card); border:1px solid var(--rule); border-radius:2px;
  padding:10px 10px 0; box-shadow:var(--shadow-s);
  transform:rotate(var(--rot)) rotateX(var(--rx)) rotateY(var(--ry)) translateY(var(--ty));
  transition:transform .5s var(--ease), box-shadow .5s var(--ease);
}
.card:hover .card-paper{--ty:-7px; box-shadow:var(--shadow-l); border-color:#CFC3AB}
.card:hover{z-index:3}

.thumb{
  position:relative; overflow:hidden; border-radius:1px;
  background:var(--paper-dim); aspect-ratio:5/7;
}
.thumb img{
  width:100%; height:100%; object-fit:cover; object-position:top center;
  transition:transform .8s var(--ease), filter .5s;
  filter:saturate(.94) contrast(1.02);
}
.card:hover .thumb img{transform:scale(1.035)}
.sheen{
  position:absolute; inset:0; pointer-events:none; opacity:0;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%), rgba(255,255,255,.62), transparent 62%);
  transition:opacity .4s;
}
.card:hover .sheen{opacity:1}

.card-ink{padding:16px 8px 18px}
.card-title{
  position:relative; display:inline-block;
  font-family:var(--serif); font-size:20px; line-height:1.4; letter-spacing:.03em;
  color:var(--ink);
}
.card-title::after{
  content:""; position:absolute; left:0; right:0; bottom:-3px; height:1.5px;
  background:var(--seal); transform:scaleX(0); transform-origin:left;
  transition:transform .55s var(--ease);
}
.card:hover .card-title::after{transform:scaleX(1)}

.card-meta{
  display:flex; align-items:center; gap:9px; margin-top:12px;
  font-size:11.5px; color:var(--ink-3); letter-spacing:.08em;
}
.stamp{
  display:inline-flex; align-items:center; justify-content:center;
  padding:2px 7px; border:1px solid rgba(166,59,42,.42); border-radius:1px;
  color:var(--seal); font-size:10.5px; letter-spacing:.12em;
  background:var(--seal-soft);
}
.card-meta .dot{width:2px; height:2px; border-radius:50%; background:var(--ink-3); opacity:.6}

.card-sum{
  margin:13px 0 0; font-family:var(--serif); font-size:13.5px; line-height:1.9;
  color:var(--ink-2); display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical;
  overflow:hidden;
}

.empty{
  grid-column:1/-1; padding:80px 0; text-align:center;
  font-family:var(--serif); color:var(--ink-3);
}

/* ══════════════ 页脚 ══════════════ */
.foot{
  max-width:1160px; margin:0 auto; padding:44px 40px 96px;
  border-top:1px solid var(--rule-soft);
}
.hint{margin:0; max-width:62ch; font-size:12.5px; line-height:2; color:var(--ink-3)}
.hint strong{color:var(--ink-2); font-weight:500; letter-spacing:.1em}
.sign{margin:22px 0 0; font-family:var(--serif); font-size:12px; color:var(--ink-3); letter-spacing:.2em}

/* ══════════════ 阅读页 ══════════════ */
#reader{padding-bottom:100px}

.r-bar{
  position:sticky; top:0; z-index:30;
  display:flex; align-items:center; gap:16px;
  padding:0 40px; height:var(--bar);
  background:rgba(246,241,229,.93); backdrop-filter:blur(12px) saturate(1.2);
  border-bottom:1px solid var(--rule);
}
.r-back{
  display:inline-flex; align-items:center; gap:7px; font-size:13px; color:var(--ink-2);
  padding:7px 12px 7px 8px; border-radius:2px; transition:background .25s, color .25s;
}
.r-back:hover{background:var(--paper-dim); color:var(--ink)}
.r-back svg{transition:transform .3s var(--ease)}
.r-back:hover svg{transform:translateX(-3px)}
.r-crumb{
  flex:1; min-width:0; font-family:var(--serif); font-size:13px; color:var(--ink-3);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis; letter-spacing:.04em;
}
.r-tools{display:flex; gap:4px}
.tool{
  display:inline-flex; align-items:center; gap:6px;
  padding:7px 12px; border:1px solid transparent; border-radius:2px;
  font-size:12.5px; color:var(--ink-2); transition:all .25s var(--ease);
}
.tool:hover{background:var(--paper-dim); color:var(--ink)}
.tool.on{background:var(--ink); color:var(--paper-hi)}

/* 默认：纯文字，单栏居中 */
.r-body{
  max-width:820px; margin:0 auto; padding:40px 28px 0;
}
.r-body.with-ms{
  display:grid;
  grid-template-columns:minmax(0,340px) minmax(0,1fr);
  gap:clamp(28px,4vw,56px);
  max-width:1200px; padding:36px 40px 0;
  align-items:start;
}

/* ───── 正文纸页 ───── */
.tx{
  position:relative;
  background:var(--paper-hi);
  border:1px solid var(--rule);
  border-radius:2px;
  box-shadow:var(--shadow-m);
  padding:clamp(42px,5.4vw,74px) clamp(28px,6vw,78px) clamp(34px,4.4vw,58px);
  animation:sheetIn .82s var(--ease) both;
}
@keyframes sheetIn{
  from{opacity:0; transform:translateY(24px)}
  to{opacity:1; transform:none}
}
.r-body.with-ms .tx{padding:clamp(36px,3.4vw,52px) clamp(26px,3.4vw,44px) clamp(30px,3vw,40px)}

.tx-kicker{
  font-size:11px; letter-spacing:.3em; color:var(--ink-3); margin-bottom:16px;
}
.tx-title{
  margin:0; font-family:var(--serif); font-weight:400;
  font-size:clamp(27px,3.4vw,38px); line-height:1.5; letter-spacing:.05em;
  color:var(--ink);
}
.tx-meta{
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  margin-top:18px; padding-bottom:26px;
  font-size:11.5px; letter-spacing:.1em; color:var(--ink-3);
  border-bottom:1px solid var(--rule-soft);
}
.tx-meta .stamp{font-size:10.5px}

.tx-body{padding-top:34px}

.para{
  position:relative; margin:0 0 1.45em;
  font-family:var(--serif); font-size:18px; line-height:2.15;
  color:#2E2720; text-align:justify;
}
.r-body.with-ms .para{font-size:17px; line-height:2.05; cursor:pointer}
.r-body.with-ms .para:hover{color:var(--ink)}
.r-body.with-ms .para.is-active{
  box-shadow:0 0 0 7px rgba(166,59,42,.06);
  background:rgba(166,59,42,.055);
  border-radius:1px;
}

.para .s{transition:background .25s, box-shadow .25s; border-radius:2px}
.para .s.speaking{background:rgba(166,59,42,.14); box-shadow:0 0 0 3px rgba(166,59,42,.14)}

.tx-body > .para:first-child::first-letter{
  float:left; font-size:3em; line-height:.9; margin:8px 12px 0 0;
  color:var(--seal); font-family:var(--serif);
}

.tx-end{
  text-align:center; color:var(--ink-3); letter-spacing:.5em;
  font-size:12px; margin:44px 0 30px; user-select:none;
}
.tx-foot{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding-top:22px; border-top:1px solid var(--rule-soft); flex-wrap:wrap;
}
.tx-nav{display:flex; gap:10px; flex-wrap:wrap}
.tx-foot .btn{font-size:12.5px; padding:9px 15px}

/* ───── 原稿面板（手动调出） ───── */
.ms[hidden]{display:none}
.ms{position:sticky; top:calc(var(--bar) + 26px)}
.ms-stack{
  position:relative; width:100%; aspect-ratio:5/7;
  background:#fff; border:1px solid var(--rule);
  box-shadow:var(--shadow-m); border-radius:1px; overflow:hidden;
}
.ms-page{
  position:absolute; inset:0; opacity:0; pointer-events:none;
  transform:translateX(14px) rotateY(-4deg); transform-origin:left center;
  transition:opacity .5s var(--ease), transform .55s var(--ease);
  backface-visibility:hidden;
}
.ms-page.is-on{opacity:1; pointer-events:auto; transform:none; z-index:2}
.ms-page img{width:100%; height:100%; object-fit:cover; cursor:crosshair}

.ms-box{
  position:absolute; z-index:5; pointer-events:none;
  border:1.6px solid rgba(166,59,42,.85); border-radius:2px;
  background:rgba(166,59,42,.075);
  box-shadow:0 0 0 3px rgba(166,59,42,.10);
  opacity:0;
  transition:opacity .35s, left .45s var(--ease), top .45s var(--ease), width .45s var(--ease), height .45s var(--ease);
}
.ms-box.on{opacity:1}
.ms-box.pulse{animation:pulseBox .7s var(--ease)}
@keyframes pulseBox{
  0%{box-shadow:0 0 0 0 rgba(166,59,42,.42)}
  70%{box-shadow:0 0 0 14px rgba(166,59,42,0)}
  100%{box-shadow:0 0 0 3px rgba(166,59,42,.10)}
}

.ms-nav{display:flex; align-items:center; justify-content:space-between; margin-top:14px; padding:0 2px}
.ms-btn{
  width:32px; height:32px; display:grid; place-items:center;
  border:1px solid var(--rule); border-radius:2px; color:var(--ink-2);
  transition:all .25s var(--ease);
}
.ms-btn:hover:not(:disabled){background:var(--paper-dim); color:var(--ink); border-color:var(--ink-3)}
.ms-btn:disabled{opacity:.28; cursor:default}
.ms-count{font-size:11.5px; letter-spacing:.18em; color:var(--ink-3)}
.ms-tip{margin:10px 2px 0; font-size:11.5px; line-height:1.8; color:var(--ink-3)}

/* toast */
.toast{
  position:fixed; left:50%; bottom:36px; transform:translate(-50%,20px);
  background:var(--ink); color:var(--paper-hi);
  padding:10px 18px; border-radius:2px; font-size:12.5px; letter-spacing:.05em;
  opacity:0; pointer-events:none; transition:opacity .3s, transform .35s var(--ease);
  z-index:300; box-shadow:var(--shadow-m);
}
.toast.on{opacity:1; transform:translate(-50%,0)}

/* ══════════════ 点评 ══════════════ */
.pnote{
  display:inline-block; margin-left:10px; vertical-align:baseline;
  font-family:var(--sans); font-size:10.5px; letter-spacing:.12em;
  color:var(--seal); opacity:0; border:1px solid rgba(166,59,42,.35);
  border-radius:1px; padding:1px 6px; transform:translateY(-1px);
  transition:opacity .25s, background .25s;
}
.para:hover .pnote{opacity:.9}
.pnote:hover{background:var(--seal-soft); opacity:1}
@media (hover:none){.pnote{opacity:.5}}

mark.hl{
  background:transparent; color:inherit;
  text-decoration:underline wavy rgba(166,59,42,.72);
  text-decoration-thickness:1px; text-underline-offset:5px;
  cursor:pointer;
}
mark.hl:hover{background:rgba(166,59,42,.075)}
.para.flash{animation:flashPara 1.3s var(--ease)}
@keyframes flashPara{
  0%,100%{background:transparent}
  20%,60%{background:rgba(166,59,42,.09)}
}

.selbar{
  position:fixed; z-index:260; display:flex; gap:2px;
  background:var(--ink); border-radius:2px; padding:3px; box-shadow:var(--shadow-m);
}
.selbar button{
  padding:6px 12px; font-size:12px; color:var(--paper-hi);
  border-radius:1px; letter-spacing:.05em; white-space:nowrap;
}
.selbar button:hover{background:rgba(255,255,255,.14)}

.pop{
  position:fixed; z-index:270; width:320px; max-width:calc(100vw - 24px);
  background:var(--paper-hi); border:1px solid var(--rule); border-radius:2px;
  box-shadow:var(--shadow-l); padding:14px;
  animation:popIn .26s var(--ease);
}
@keyframes popIn{from{opacity:0; transform:translateY(-6px)}to{opacity:1; transform:none}}
.pop-head{display:flex; align-items:center; gap:8px; margin-bottom:10px}
#popCtx{
  flex:1; font-size:11.5px; color:var(--ink-3); letter-spacing:.05em;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.pop-x{font-size:16px; line-height:1; color:var(--ink-3); padding:0 2px}
.pop-x:hover{color:var(--ink)}
.pop textarea{
  width:100%; border:1px solid var(--rule); background:#fff; border-radius:1px;
  padding:8px 10px; font-family:var(--serif); font-size:14px; line-height:1.85;
  color:var(--ink); resize:vertical; outline:none;
}
.pop textarea:focus{border-color:var(--ink-3)}
.pop-row{display:flex; gap:8px; margin-top:10px; align-items:center}
.pop-row input{
  flex:1; min-width:0; border:1px solid var(--rule); background:#fff;
  border-radius:1px; padding:7px 10px; font-size:12.5px; outline:none;
}
.pop-row input:focus{border-color:var(--ink-3)}
.pop-send{padding:8px 16px; background:var(--ink); color:var(--paper-hi); border-radius:1px; font-size:12.5px}
.pop-send:hover{background:#100d0a}

.notes{margin-top:54px; padding-top:32px; border-top:1px solid var(--rule-soft)}
.notes-head{display:flex; align-items:baseline; gap:12px; margin-bottom:18px}
.notes-title{margin:0; font-family:var(--serif); font-weight:400; font-size:19px; letter-spacing:.16em}
.notes-count{font-size:11.5px; color:var(--ink-3); letter-spacing:.1em}

.composer{border:1px solid var(--rule); background:#fff; border-radius:2px; padding:12px}
.composer textarea{
  width:100%; border:0; outline:none; resize:vertical; background:transparent;
  font-family:var(--serif); font-size:14.5px; line-height:1.9; color:var(--ink); min-height:58px;
}
.c-row{display:flex; align-items:center; gap:10px; margin-top:8px; padding-top:10px; border-top:1px solid var(--rule-soft)}
.c-row input{
  width:96px; border:1px solid var(--rule); background:var(--paper-hi);
  border-radius:1px; padding:6px 9px; font-size:12.5px; outline:none;
}
.c-row input:focus{border-color:var(--ink-3)}
.c-ctx{flex:1; font-size:11.5px; color:var(--ink-3); letter-spacing:.08em}
.c-send{padding:7px 18px; background:var(--ink); color:var(--paper-hi); border-radius:1px; font-size:12.5px; letter-spacing:.08em}
.c-send:hover{background:#100d0a}

.note-list{margin-top:24px}
.note-empty{font-family:var(--serif); font-size:13.5px; color:var(--ink-3); margin:0}
.note-item{border-left:2px solid rgba(166,59,42,.32); padding:2px 0 2px 16px; margin:0 0 22px}
.ni-head{display:flex; align-items:baseline; gap:10px; flex-wrap:wrap}
.ni-head b{font-size:13px; font-weight:500; letter-spacing:.05em; color:var(--ink)}
.ni-ctx{font-size:11px; color:var(--seal); letter-spacing:.04em}
.ni-head time{font-size:11px; color:var(--ink-3); letter-spacing:.06em}
.ni-del{margin-left:auto; font-size:14px; line-height:1; color:var(--ink-3); opacity:0; transition:opacity .2s}
.note-item:hover .ni-del{opacity:.7}
.ni-del:hover{color:var(--seal); opacity:1}
.ni-body{
  margin:7px 0 0; font-family:var(--serif); font-size:14.5px; line-height:1.95;
  color:var(--ink-2); white-space:pre-wrap;
}
.ni-body i{color:var(--ink-3); font-style:normal}

/* 回复 */
.c-row{flex-wrap:wrap}
.c-author{
  display:inline-flex; align-items:center; gap:5px; font-size:12px;
  color:var(--ink-2); cursor:pointer; white-space:nowrap;
}
.c-author input{margin:0; accent-color:var(--seal)}
.c-tip{margin:8px 0 0; font-size:11.5px; color:var(--ink-3)}

.note-thread{margin:0 0 26px}
.note-thread .note-item{margin-bottom:12px}
.note-thread .note-item:last-child{margin-bottom:4px}

.replies{
  margin:2px 0 0 4px; padding-left:16px;
  border-left:1px solid var(--rule-soft);
}
.note-item.is-reply{
  border-left:0; padding:8px 0 8px 0; margin:0 0 6px;
}
.note-item.is-reply .ni-head b{font-size:12.5px}
.note-item.is-reply .ni-body{font-size:13.5px; line-height:1.85; margin-top:5px}
.note-item.is-reply .ni-del{opacity:0}

.ni-author{
  display:inline-flex; align-items:center; padding:1px 6px;
  background:var(--seal-soft); border:1px solid rgba(166,59,42,.4);
  border-radius:1px; color:var(--seal); font-size:10px; letter-spacing:.1em;
}
.is-reply .ni-author{border-color:rgba(166,59,42,.55)}

.ni-reply{
  margin-top:6px; padding:2px 0; font-size:11.5px;
  color:var(--ink-3); letter-spacing:.06em; transition:color .2s;
}
.ni-reply:hover{color:var(--seal)}

.reply-form{
  margin-top:10px; border:1px solid var(--rule); background:#fff;
  border-radius:2px; padding:10px;
}
.reply-form textarea{
  width:100%; border:0; outline:none; resize:vertical; background:transparent;
  font-family:var(--serif); font-size:13.5px; line-height:1.85; color:var(--ink);
}
.rf-row{
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  margin-top:8px; padding-top:8px; border-top:1px solid var(--rule-soft);
}
.rf-name{
  width:88px; border:1px solid var(--rule); background:var(--paper-hi);
  border-radius:1px; padding:5px 8px; font-size:12px; outline:none;
}
.rf-name:focus{border-color:var(--ink-3)}
.rf-author{
  display:inline-flex; align-items:center; gap:5px; font-size:11.5px;
  color:var(--ink-2); cursor:pointer; white-space:nowrap;
}
.rf-author input{margin:0; accent-color:var(--seal)}
.rf-send{margin-left:auto; padding:6px 14px; background:var(--ink); color:var(--paper-hi); border-radius:1px; font-size:12px}
.rf-send:hover{background:#100d0a}
.rf-tip{margin:6px 0 0; font-size:11px; color:var(--ink-3)}

/* ══════════════ 打印 ══════════════ */
.print-only{display:none}
.book{font-family:var(--serif)}
.book-page{
  page-break-after:always; break-after:page;
  padding:0 0 40px; margin:0 0 40px; border-bottom:1px solid #ddd;
}
.book-page h1{font-size:26px; font-weight:400; margin:0 0 6px; letter-spacing:.06em}
.book-page .bm{font-size:11px; color:#888; letter-spacing:.12em; margin:0 0 22px}
.book-page .bp{font-size:13px; line-height:2; color:#222; margin:0 0 1em; text-indent:2em}
.book-page figure{margin:0 0 22px; text-align:center}
.book-page figure img{max-height:78vh; width:auto; margin:0 auto; border:1px solid #ddd}

@media print{
  body{background:#fff}
  .grain,.view,.toast{display:none !important}
  #printArea{display:block !important}
  .book-page{border-bottom:0}
}

/* ══════════════ 响应式 ══════════════ */
@media (max-width:1020px){
  .r-body.with-ms{
    grid-template-columns:minmax(0,1fr);
    max-width:820px; padding:30px 24px 0;
  }
  .ms{position:relative; top:0; order:-1}
  .ms-stack{max-width:420px; margin:0 auto}
  .ms-nav,.ms-tip{max-width:420px; margin-left:auto; margin-right:auto}
}

@media (max-width:960px){
  .hero{padding:44px 22px 30px}
  .sheet{padding:44px 26px 40px}
  .filters{padding:0 22px}
  .gallery{padding:24px 22px 10px}
  .foot{padding:36px 22px 80px}
  .grid{gap:26px 18px; grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}

  .r-bar{padding:0 14px; gap:10px}
  .r-crumb{font-size:12px}
  .r-body{padding:22px 16px 0}
  .tx-title{font-size:27px}
  .para{font-size:17px; line-height:2.1}
}

@media (max-width:520px){
  .display{font-size:62px; letter-spacing:.14em}
  .grid{grid-template-columns:repeat(2,1fr); gap:20px 14px}
  .card-title{font-size:16px}
  .card-sum{display:none}
  .card-ink{padding:12px 4px 14px}
  .card-meta{font-size:10.5px; gap:6px; flex-wrap:wrap}
  .lede{font-size:15px}
  .tool span{display:none}
  .tx{padding:34px 22px 30px}
  .para{font-size:16.5px; line-height:2.05; text-align:left}
  .tx-foot{flex-direction:column; align-items:stretch}
  .tx-foot .btn{justify-content:center}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important; animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html{scroll-behavior:auto}
  .sheet{clip-path:none}
  .upline path{stroke-dashoffset:0}
  .card{opacity:1; transform:none}
}