/* ============================================================
   《汴梁岁时记》 视觉体系
   朱砂红 #b03024 / 宋瓷青 #7a9a8d / 原木米 #f2e8d5 / 古墨黑 #2b2320
   ============================================================ */
:root{
  --cinnabar:#b03024;
  --cinnabar-deep:#8c2318;
  --celadon:#7a9a8d;
  --celadon-deep:#5d7d70;
  --rice:#f2e8d5;
  --rice-deep:#e6d7ba;
  --ink:#2b2320;
  --ink-soft:#5a4c42;
  --gold:#c99a3f;
  --serif:"Kaiti SC","STKaiti","KaiTi","STSong","SimSun",serif;
  --sans:"Source Han Serif SC","Noto Serif SC","STSong",serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html,body{height:100%;overflow:hidden;background:var(--rice);}
body{font-family:var(--sans);color:var(--ink);}
button{font-family:inherit;cursor:pointer;border:none;background:none;}

/* 宣纸颗粒 */
.paper-grain{
  position:fixed;inset:0;pointer-events:none;z-index:200;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.55 0 0 0 0 0.48 0 0 0 0 0.38 0 0 0 0.06 0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- 屏幕框架 ---------- */
.screen{
  position:fixed;inset:0;display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:scale(1.015);
  transition:opacity .7s ease,transform .7s ease,visibility 0s .7s;
  background:var(--rice);
}
.screen.active{
  opacity:1;visibility:visible;transform:none;
  transition:opacity .7s ease,transform .7s ease;
}
.screen-head{
  text-align:center;padding:34px 20px 10px;flex:none;position:relative;z-index:5;
}
.screen-head h2{
  font-family:var(--serif);font-size:40px;letter-spacing:.35em;text-indent:.35em;
  color:var(--cinnabar-deep);
}
.screen-head p{margin-top:10px;color:var(--ink-soft);letter-spacing:.18em;font-size:14px;}
.screen-head.compact h2{font-size:32px;}
.screen-head.compact{padding:22px 20px 6px;}

/* ---------- 侧边导航 ---------- */
#sideNav{
  position:fixed;right:26px;top:50%;transform:translateY(-50%);
  display:flex;flex-direction:column;gap:16px;z-index:100;
}
.nav-dot{
  width:10px;height:10px;border-radius:50%;border:1.5px solid var(--ink-soft);
  cursor:pointer;transition:.3s;position:relative;
}
.nav-dot:hover{border-color:var(--cinnabar);}
.nav-dot.on{background:var(--cinnabar);border-color:var(--cinnabar);transform:scale(1.35);}
.nav-dot::after{
  content:attr(title);position:absolute;right:22px;top:50%;transform:translateY(-50%);
  white-space:nowrap;font-size:12px;letter-spacing:.15em;color:var(--ink-soft);
  background:var(--rice);padding:3px 10px;border:1px solid var(--rice-deep);
  opacity:0;pointer-events:none;transition:.25s;
}
.nav-dot:hover::after{opacity:1;}

/* ---------- 角饰符号 ---------- */
.corner{position:absolute;width:56px;height:56px;color:var(--celadon-deep);opacity:.55;z-index:6;}
.corner svg{width:100%;height:100%;}
.corner i{
  position:absolute;left:50%;top:100%;transform:translateX(-50%);
  font-style:normal;font-size:11px;letter-spacing:.2em;color:var(--ink-soft);
}
.corner.tl{top:18px;left:22px;}
.corner.tr{top:18px;right:22px;}
.corner.bl{bottom:34px;left:22px;}
.corner.br{bottom:34px;right:22px;}

/* ================= 封面 ================= */
#screen-cover{background:linear-gradient(180deg,#efe3c8 0%,#e9dcc0 55%,#dccfae 100%);overflow-y:auto;overflow-x:hidden;}
#screen-cover::-webkit-scrollbar{width:8px;}
#screen-cover::-webkit-scrollbar-thumb{background:#c8b68e;border-radius:4px;}
/* 弹性占位：空间充足时将卷轴垂直居中，高度不足时自动收缩保证顶部可滚动到达 */
#screen-cover::before,#screen-cover::after{content:"";display:block;flex:1 0 12px;pointer-events:none;}
.cover-bg{position:absolute;inset:0;overflow:hidden;}
.cover-tint{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 38%,rgba(242,232,213,0) 30%,rgba(190,165,120,.25) 100%);}
.ink-city,.ink-hills{position:absolute;left:-5%;width:110%;will-change:transform;}
.ink-city{
  bottom:0;height:46%;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 300' preserveAspectRatio='none'%3E%3Cg fill='%237a6a52' opacity='0.5'%3E%3Cpath d='M0 300 L0 210 L60 210 L60 180 L110 180 L110 220 L180 220 L180 150 L200 130 L220 150 L220 220 L300 220 L300 190 L380 190 L380 230 L460 230 L460 160 L485 138 L510 160 L510 230 L600 230 L600 200 L680 200 L680 170 L700 150 L720 170 L720 230 L820 230 L820 190 L900 190 L900 220 L980 220 L980 155 L1005 132 L1030 155 L1030 220 L1120 220 L1120 200 L1200 200 L1200 300 Z'/%3E%3C/g%3E%3Cg fill='%235a4c3c' opacity='0.6'%3E%3Cpath d='M0 300 L0 250 L90 250 L90 230 L170 230 L170 260 L260 260 L260 235 L340 235 L340 265 L430 265 L430 240 L520 240 L520 268 L610 268 L610 245 L700 245 L700 270 L800 270 L800 238 L890 238 L890 262 L990 262 L990 242 L1080 242 L1080 268 L1200 268 L1200 300 Z'/%3E%3C/g%3E%3C/svg%3E") bottom/100% 100% no-repeat;
}
.ink-hills{
  bottom:0;height:100%;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 400' preserveAspectRatio='none'%3E%3Cpath d='M0 400 L0 300 Q150 220 320 280 Q470 330 640 260 Q830 190 1000 270 Q1110 320 1200 280 L1200 400 Z' fill='%239aab90' opacity='0.28'/%3E%3Cpath d='M0 400 L0 340 Q220 280 420 330 Q640 380 860 320 Q1050 270 1200 330 L1200 400 Z' fill='%237a9a8d' opacity='0.3'/%3E%3C/svg%3E") bottom/100% 100% no-repeat;
}

/* 卷轴 */
.scroll-wrap{
  position:relative;z-index:8;margin:0 auto;flex:none;display:flex;align-items:stretch;
  max-width:860px;width:86%;
  animation:scrollIn 1.6s cubic-bezier(.22,.8,.3,1) .2s both;
}
@keyframes scrollIn{from{transform:scaleX(.06);opacity:.4;}to{transform:scaleX(1);opacity:1;}}
.scroll-rod{
  flex:none;width:26px;border-radius:13px;
  background:linear-gradient(90deg,#6b4a2e,#8a6238 40%,#5a3c24);
  box-shadow:0 4px 14px rgba(60,40,20,.4);
  position:relative;
}
.scroll-rod::before,.scroll-rod::after{
  content:"";position:absolute;left:2px;right:2px;height:14px;border-radius:7px;background:#3f2a18;
}
.scroll-rod::before{top:-8px;}.scroll-rod::after{bottom:-8px;}
.scroll-paper{
  flex:1;text-align:center;padding:52px 48px 44px;position:relative;
  background:linear-gradient(180deg,#f6eeda,#efe2c6);
  box-shadow:inset 0 0 60px rgba(160,130,80,.25), 0 18px 50px rgba(90,60,30,.28);
}
.scroll-paper::before,.scroll-paper::after{
  content:"";position:absolute;top:10px;bottom:10px;width:8px;
  background:repeating-linear-gradient(180deg,var(--cinnabar) 0 6px,transparent 6px 12px);
  opacity:.35;
}
.scroll-paper::before{left:12px;}.scroll-paper::after{right:12px;}

.fade-line{opacity:0;transform:translateY(14px);animation:fadeUp .9s ease forwards;}
@keyframes fadeUp{to{opacity:1;transform:none;}}
.cover-kicker{animation-delay:1.1s;color:var(--celadon-deep);letter-spacing:.4em;font-size:14px;}
.cover-title{
  animation-delay:1.4s;font-family:var(--serif);
  font-size:clamp(56px,8vw,96px);letter-spacing:.28em;text-indent:.28em;
  color:var(--cinnabar-deep);margin:18px 0 8px;
  text-shadow:0 2px 0 rgba(255,250,235,.6);
}
.cover-sub{animation-delay:1.7s;letter-spacing:.5em;text-indent:.5em;color:var(--ink-soft);font-size:16px;}
.cover-quote{
  animation-delay:2.1s;margin:26px auto 0;max-width:560px;
  color:var(--ink-soft);font-size:15px;line-height:2;letter-spacing:.12em;
}
.cover-quote cite{font-size:12.5px;color:var(--celadon-deep);}
.cover-actions{animation-delay:2.5s;display:flex;gap:36px;justify-content:center;margin-top:34px;}

/* 印章风按钮 */
.btn-seal{
  position:relative;width:212px;padding:20px 14px 16px;
  background:linear-gradient(160deg,var(--cinnabar) 0%,var(--cinnabar-deep) 100%);
  color:#f6ead2;border-radius:6px;
  box-shadow:0 8px 22px rgba(140,35,24,.35), inset 0 0 0 1.5px rgba(246,234,210,.45);
  transition:transform .35s cubic-bezier(.34,1.56,.64,1), box-shadow .35s, filter .35s;
}
.btn-seal.alt{background:linear-gradient(160deg,var(--celadon) 0%,var(--celadon-deep) 100%);box-shadow:0 8px 22px rgba(93,125,112,.4), inset 0 0 0 1.5px rgba(246,234,210,.45);}
.btn-seal span{font-family:var(--serif);font-size:19px;letter-spacing:.2em;line-height:1.7;display:block;}
.btn-seal em{display:block;margin-top:8px;font-style:normal;font-size:11px;letter-spacing:.35em;opacity:.75;}
.btn-seal:hover{transform:translateY(-4px) scale(1.05);filter:brightness(1.1);}
.btn-seal:active{transform:translateY(-1px) scale(1.02);}
.btn-seal.small{width:auto;padding:12px 30px;}
.btn-seal.small span{font-size:15px;}
.btn-ghost{
  padding:12px 26px;border:1.5px solid var(--ink-soft);border-radius:6px;
  color:var(--ink-soft);letter-spacing:.25em;font-size:14px;transition:.3s;background:rgba(246,238,218,.4);
}
.btn-ghost:hover{border-color:var(--cinnabar);color:var(--cinnabar);background:rgba(176,48,36,.06);}
.cover-hint{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  font-size:12px;letter-spacing:.3em;color:var(--ink-soft);opacity:.7;z-index:8;
  animation:hintFloat 2.6s ease-in-out infinite;
}
@keyframes hintFloat{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,-6px);}}

/* ================= 时间轴 ================= */
#screen-timeline{background:linear-gradient(180deg,#efe4ca,#e8dbbc);}
.tl-scroll{flex:1;overflow-y:auto;padding:10px 0 60px;scroll-behavior:smooth;}
.tl-scroll::-webkit-scrollbar{width:8px;}
.tl-scroll::-webkit-scrollbar-thumb{background:#c8b68e;border-radius:4px;}
.tl-track{position:relative;max-width:820px;margin:0 auto;padding:20px 40px;}
.tl-track::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,transparent,var(--celadon-deep) 4%,var(--celadon-deep) 96%,transparent);
}
.tl-node{
  position:relative;width:50%;padding:26px 56px;cursor:pointer;
  opacity:0;transform:translateY(36px);transition:opacity .8s ease,transform .8s ease;
}
.tl-node.show{opacity:1;transform:none;}
.tl-node:nth-child(odd){left:0;text-align:right;}
.tl-node:nth-child(even){left:50%;text-align:left;}
.tl-node::before{
  content:"";position:absolute;top:40px;width:16px;height:16px;border-radius:50%;
  background:var(--rice);border:3px solid var(--cinnabar);z-index:2;transition:.3s;
}
.tl-node:nth-child(odd)::before{right:-8px;}
.tl-node:nth-child(even)::before{left:-8px;}
.tl-node::after{
  content:"";position:absolute;top:47px;height:1.5px;width:44px;background:#b7a67f;
}
.tl-node:nth-child(odd)::after{right:8px;}
.tl-node:nth-child(even)::after{left:8px;}
.tl-node:hover::before{background:var(--cinnabar);transform:scale(1.3);}
.tl-card{
  display:inline-block;background:rgba(250,244,228,.85);border:1px solid #d8c8a2;
  border-radius:8px;padding:18px 22px;max-width:330px;text-align:left;
  box-shadow:0 6px 18px rgba(120,95,55,.14);transition:transform .35s,box-shadow .35s;
}
.tl-node:hover .tl-card{transform:translateY(-4px) scale(1.02);box-shadow:0 14px 30px rgba(120,95,55,.24);border-color:var(--cinnabar);}
.tl-card-head{display:flex;gap:12px;align-items:center;margin-bottom:6px;}
.tl-thumb{
  width:52px;height:64px;object-fit:cover;border-radius:4px;flex:none;
  border:1.5px solid #c9b88f;box-shadow:0 3px 8px rgba(120,95,55,.2);
  transition:transform .35s;
}
.tl-node:hover .tl-thumb{transform:scale(1.12) rotate(-2deg);}
.tl-card .d{font-size:13px;color:var(--celadon-deep);letter-spacing:.25em;}
.tl-card .n{font-family:var(--serif);font-size:26px;color:var(--cinnabar-deep);margin:4px 0 6px;letter-spacing:.15em;}
.tl-card .q{font-size:12.5px;color:var(--ink-soft);line-height:1.9;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.tl-card .go{margin-top:8px;font-size:12px;color:var(--cinnabar);letter-spacing:.2em;}
.tl-end{text-align:center;padding:40px;color:var(--ink-soft);letter-spacing:.35em;font-size:13px;}

/* ================= 节日深读 ================= */
#screen-festival{background:var(--rice);}
.fest-bg{position:absolute;inset:0;opacity:.9;overflow:hidden;}
.fest-bg-layer{
  position:absolute;inset:-3%;background-size:cover;background-position:center;
  opacity:0;transition:opacity 1.1s ease;filter:saturate(.92);
}
.fest-bg-layer.on{opacity:1;}
/* 宣纸色罩层，保证文字可读 */
.fest-bg-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(244,236,214,.55), transparent 70%),
    linear-gradient(180deg, rgba(243,235,213,.82), rgba(238,227,199,.88));
}
.fest-layout{position:relative;z-index:4;flex:1;display:flex;min-height:0;}
.fest-rail{
  flex:none;width:220px;border-right:1px solid rgba(90,76,66,.18);
  padding:76px 0 30px;display:flex;flex-direction:column;background:rgba(242,232,213,.72);backdrop-filter:blur(4px);
}
.fest-rail h3{
  text-align:center;font-family:var(--serif);letter-spacing:.3em;color:var(--ink-soft);
  font-size:15px;padding-bottom:14px;flex:none;
}
.fest-rail-list{flex:1;overflow-y:auto;padding:6px 14px;}
.fest-rail-list::-webkit-scrollbar{width:5px;}
.fest-rail-list::-webkit-scrollbar-thumb{background:#c8b68e;border-radius:3px;}
.rail-item{
  padding:9px 14px;margin:3px 0;border-radius:6px;cursor:pointer;font-size:14px;
  letter-spacing:.12em;color:var(--ink-soft);transition:.25s;border:1px solid transparent;
}
.rail-item b{font-family:var(--serif);margin-right:6px;font-weight:normal;color:var(--celadon-deep);}
.rail-item:hover{background:rgba(122,154,141,.12);}
.rail-item.on{background:var(--cinnabar);color:#f6ead2;}
.rail-item.on b{color:#f0d9a8;}
.fest-main{
  flex:1;overflow-y:auto;padding:70px 7% 60px;text-align:center;position:relative;
}
.fest-main::-webkit-scrollbar{width:8px;}
.fest-main::-webkit-scrollbar-thumb{background:#c8b68e;border-radius:4px;}
.fest-motif{width:96px;height:96px;margin:0 auto 12px;color:var(--fest-accent,var(--cinnabar));}
.fest-motif svg{width:100%;height:100%;filter:drop-shadow(0 4px 10px rgba(60,40,20,.25));animation:motifIn 1s ease both;}
@keyframes motifIn{from{opacity:0;transform:scale(.6) rotate(-8deg);}to{opacity:1;transform:none;}}
.fest-date{letter-spacing:.5em;text-indent:.5em;color:var(--fest-accent,var(--celadon-deep));font-size:15px;}
.fest-name{font-family:var(--serif);font-size:58px;letter-spacing:.3em;text-indent:.3em;color:var(--cinnabar-deep);margin:6px 0 2px;}
.fest-scroll{font-size:13px;color:var(--ink-soft);letter-spacing:.2em;}
.fest-quote{
  max-width:640px;margin:26px auto 0;padding:22px 30px;line-height:2.15;font-size:15.5px;
  color:var(--ink);background:rgba(250,244,228,.82);border-left:3px solid var(--fest-accent,var(--cinnabar));
  border-radius:0 8px 8px 0;text-align:justify;box-shadow:0 8px 22px rgba(120,95,55,.13);
}
.fest-hero{
  margin:28px auto 0;width:min(320px,60%);position:relative;
  border:5px solid var(--cinnabar-deep);outline:1.5px solid var(--gold);outline-offset:-11px;
  background:#faf5e8;box-shadow:0 16px 40px rgba(90,50,20,.3);
  animation:heroIn .9s ease both;
}
@keyframes heroIn{from{opacity:0;transform:translateY(20px) rotate(-1.5deg);}to{opacity:1;transform:none;}}
.fest-hero img{display:block;width:100%;height:auto;}
.hero-tag{
  position:absolute;left:50%;bottom:-15px;transform:translateX(-50%);white-space:nowrap;
  background:var(--cinnabar);color:#f6ead2;font-size:12px;letter-spacing:.25em;
  padding:6px 18px;border-radius:999px;box-shadow:0 6px 14px rgba(140,35,24,.35);
}
.fest-customs{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:24px;}
.custom-chip{
  padding:8px 20px;border-radius:999px;font-size:13.5px;letter-spacing:.15em;
  border:1.5px solid var(--fest-accent,var(--celadon-deep));color:var(--ink-soft);
  background:rgba(250,244,228,.6);transition:.3s;
}
.custom-chip:hover{background:var(--fest-accent,var(--celadon-deep));color:#f6ead2;transform:translateY(-3px);}
.fest-flow{
  margin:44px auto 0;max-width:760px;background:rgba(250,244,228,.85);
  border:1px solid #d8c8a2;border-radius:12px;padding:30px 36px 26px;
  box-shadow:0 12px 30px rgba(120,95,55,.15);
}
.fest-flow h4{font-family:var(--serif);letter-spacing:.25em;color:var(--cinnabar-deep);font-size:19px;}
.fest-flow>p{margin-top:12px;font-size:13.5px;line-height:2;color:var(--ink-soft);}
.fest-flow b{color:var(--cinnabar);}
.pattern-row{display:flex;gap:22px;justify-content:center;margin-top:24px;flex-wrap:wrap;}
.pattern-card{
  width:130px;cursor:pointer;transition:transform .35s cubic-bezier(.34,1.56,.64,1);
}
.pattern-card:hover{transform:translateY(-6px) scale(1.06);}
.pattern-thumb{
  border:2px solid #c9b88f;border-radius:8px;overflow:hidden;background:#f8f1de;
  box-shadow:0 6px 16px rgba(120,95,55,.18);transition:border-color .3s;
}
.pattern-card:hover .pattern-thumb{border-color:var(--cinnabar);}
.pattern-thumb svg{display:block;width:100%;height:auto;}
.pattern-thumb img{display:block;width:100%;height:166px;object-fit:cover;}
.pattern-card.photo .pattern-thumb{border-color:var(--gold);box-shadow:0 6px 18px rgba(201,154,63,.35);}
.pattern-card.photo p{color:var(--cinnabar-deep);}
.pattern-card p{margin-top:8px;font-family:var(--serif);font-size:15px;color:var(--ink);letter-spacing:.1em;}
.pattern-card small{display:block;font-size:11px;color:var(--ink-soft);margin-top:2px;letter-spacing:.08em;}
.pattern-hint{margin-top:20px;font-size:13px;letter-spacing:.25em;color:var(--cinnabar);}

/* ================= 拓印工坊 ================= */
#screen-workshop{background:linear-gradient(180deg,#eee1c4,#e7d9b8);}
.ws-steps{
  flex:none;display:flex;justify-content:center;gap:8px;padding:8px 20px 14px;flex-wrap:wrap;
}
.ws-step{
  display:flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  border:1.5px solid #c4b28a;font-size:13px;letter-spacing:.14em;color:var(--ink-soft);
  background:rgba(250,244,228,.55);transition:.35s;
}
.ws-step i{
  font-style:normal;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;
  background:#c4b28a;color:#fff;font-size:11px;transition:.35s;
}
.ws-step.on{border-color:var(--cinnabar);color:var(--cinnabar-deep);background:rgba(176,48,36,.08);}
.ws-step.on i{background:var(--cinnabar);}
.ws-step.done{border-color:var(--celadon-deep);color:var(--celadon-deep);}
.ws-step.done i{background:var(--celadon-deep);}
.ws-stage{flex:1;min-height:0;position:relative;padding:0 3% 22px;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;}
.ws-tip{
  flex:none;max-width:760px;margin:0 auto 12px;text-align:center;font-size:13.5px;
  line-height:1.9;color:var(--ink-soft);letter-spacing:.06em;
  background:rgba(250,244,228,.7);border:1px dashed #c4b28a;border-radius:8px;padding:10px 22px;
}
.ws-pane{
  flex:1;min-height:0;display:none;flex-direction:column;align-items:center;justify-content:center;
  animation:paneIn .6s ease;
}
.ws-pane.on{display:flex;}
@keyframes paneIn{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
.ws-progress{flex:none;text-align:center;font-size:13px;letter-spacing:.2em;color:var(--ink-soft);margin-top:10px;}
.ws-progress span{color:var(--cinnabar);font-size:17px;font-family:var(--serif);}
.ws-note{position:absolute;bottom:2px;left:50%;transform:translateX(-50%);max-width:700px;font-size:12px;color:var(--ink-soft);line-height:1.8;text-align:center;opacity:.85;}

/* 绘稿 */
.draft-board{
  position:relative;width:min(400px,42vh*0.77);aspect-ratio:400/520;
  background:#f8f1de;border:2px solid #b7a67f;border-radius:6px;
  box-shadow:0 16px 40px rgba(120,95,55,.28);cursor:none;overflow:hidden;
  touch-action:none;user-select:none;-webkit-user-select:none;
}
.draft-board svg{position:absolute;inset:0;width:100%;height:100%;}
.brush-cursor{
  position:absolute;width:34px;height:34px;pointer-events:none;z-index:5;display:none;
  transform:translate(-50%,-88%);
}
.brush-cursor::before{content:"🖊️";font-size:30px;filter:drop-shadow(0 3px 4px rgba(0,0,0,.3));}
.draft-board:hover .brush-cursor{display:block;}

/* 刻版 */
.carve-board{
  position:relative;width:min(400px,42vh*0.77);aspect-ratio:400/520;
  background:linear-gradient(150deg,#c9a069 0%,#b78c54 55%,#a67c46 100%);
  border:2px solid #8a6238;border-radius:6px;
  box-shadow:0 16px 40px rgba(120,95,55,.32), inset 0 0 40px rgba(120,85,40,.35);
  cursor:none;overflow:hidden;
  touch-action:none;user-select:none;-webkit-user-select:none;
}
.carve-board::before{
  content:"";position:absolute;inset:0;opacity:.25;
  background:repeating-linear-gradient(93deg,transparent 0 22px,rgba(90,60,25,.35) 22px 23px);
}
.carve-board svg{position:absolute;inset:0;width:100%;height:100%;z-index:2;}
#shaveCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:3;pointer-events:none;}
.knife-cursor{
  position:absolute;pointer-events:none;z-index:6;font-size:30px;display:none;
  transform:translate(-30%,-70%) rotate(-35deg);filter:drop-shadow(0 3px 4px rgba(0,0,0,.35));
}
.carve-board:hover .knife-cursor{display:block;}

/* 熬色 */
.ink-flex{display:flex;gap:6%;align-items:center;justify-content:center;width:100%;}
.ingredients{display:grid;grid-template-columns:repeat(2,130px);gap:16px;}
.ingredient{
  padding:14px 10px;border-radius:10px;text-align:center;cursor:grab;
  background:rgba(250,244,228,.9);border:2px solid #c9b88f;
  box-shadow:0 6px 14px rgba(120,95,55,.16);transition:transform .25s,border-color .25s;user-select:none;
}
.ingredient:hover{transform:translateY(-4px);border-color:var(--cinnabar);}
.ingredient.used{opacity:.35;pointer-events:none;}
.ingredient .dot{width:26px;height:26px;border-radius:50%;margin:0 auto 8px;box-shadow:inset 0 -3px 6px rgba(0,0,0,.25);}
.ingredient b{font-family:var(--serif);font-size:15px;letter-spacing:.1em;font-weight:normal;}
.ingredient small{display:block;font-size:11px;color:var(--ink-soft);margin-top:3px;}
.pot-zone{display:flex;flex-direction:column;align-items:center;gap:22px;}
.pot{
  position:relative;width:190px;height:130px;
  background:linear-gradient(180deg,#4a3b30,#33291f);
  border-radius:14px 14px 46% 46% / 10px 10px 70% 70%;
  box-shadow:0 14px 30px rgba(60,40,20,.4), inset 0 6px 0 rgba(255,255,255,.08);
  overflow:hidden;
}
.pot::before{content:"";position:absolute;top:-9px;left:-12px;right:-12px;height:20px;border-radius:10px;background:#5a483a;}
.pot-liquid{
  position:absolute;left:8%;right:8%;bottom:10%;height:0;border-radius:40%;
  background:#c0392b;transition:height .8s ease,background 1s ease;
  filter:saturate(1.1);
}
.pot-steam{position:absolute;left:0;right:0;top:-40px;height:40px;pointer-events:none;}
.pot-steam.on::before,.pot-steam.on::after{
  content:"〰";position:absolute;font-size:26px;color:rgba(255,255,255,.55);animation:steam 1.6s linear infinite;
}
.pot-steam.on::before{left:32%;}
.pot-steam.on::after{right:32%;animation-delay:.8s;}
@keyframes steam{from{transform:translateY(14px);opacity:0;}40%{opacity:.8;}to{transform:translateY(-16px);opacity:0;}}
.pot.drop-ok{animation:potShake .4s;}
@keyframes potShake{0%,100%{transform:none;}30%{transform:translateX(-5px);}60%{transform:translateX(5px);}}
.filter-row{display:flex;align-items:center;gap:26px;}
.gauze{
  width:96px;height:64px;border:2px dashed #b7a67f;border-radius:8px;display:grid;place-items:center;
  font-size:13px;letter-spacing:.15em;color:var(--ink-soft);cursor:pointer;transition:.3s;background:rgba(250,244,228,.6);
}
.gauze.ready{border-color:var(--cinnabar);color:var(--cinnabar);animation:pulse 1.4s infinite;}
.gauze.done{border-style:solid;border-color:var(--celadon-deep);color:var(--celadon-deep);animation:none;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(176,48,36,.35);}50%{box-shadow:0 0 0 10px rgba(176,48,36,0);}}
.jar{
  position:relative;width:78px;height:104px;border:3px solid #7a6a52;border-radius:12px 12px 20px 20px;
  background:rgba(250,244,228,.5);overflow:hidden;
}
.jar::before{content:"";position:absolute;top:-8px;left:20%;right:20%;height:10px;border-radius:5px;background:#7a6a52;}
.jar-liquid{position:absolute;left:0;right:0;bottom:0;height:0;background:#c0392b;transition:height 1.2s ease,background .8s;}

/* 印刷 */
.print-flex{display:flex;gap:5%;align-items:flex-start;justify-content:center;width:100%;}
.block-zone,.paper-zone{display:flex;flex-direction:column;align-items:center;}
.print-block{
  position:relative;width:min(330px,40vh*0.635);aspect-ratio:400/520;
  background:linear-gradient(150deg,#c9a069,#a67c46);
  border:2px solid #8a6238;border-radius:6px;overflow:hidden;
  box-shadow:0 14px 34px rgba(120,95,55,.3);
  touch-action:none;user-select:none;-webkit-user-select:none;
}
.print-block svg{position:absolute;inset:0;width:100%;height:100%;}
#inkCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:2;}
.xuan-paper{
  position:relative;width:min(330px,40vh*0.635);aspect-ratio:400/520;
  background:#faf5e8;border:1.5px solid #d8c8a2;border-radius:4px;
  box-shadow:0 14px 34px rgba(120,95,55,.22);overflow:hidden;transition:transform .8s cubic-bezier(.22,.8,.3,1);
  touch-action:none;user-select:none;-webkit-user-select:none;
}
.paper-under{position:absolute;inset:0;z-index:1;}
.paper-under svg{width:100%;height:100%;}
#revealCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:2;}
.tool-dock{
  position:absolute;bottom:6px;left:50%;transform:translateX(-50%);
  display:flex;gap:14px;
}
.tool-btn{
  padding:10px 24px;border-radius:999px;border:1.5px solid #b7a67f;font-size:13.5px;
  letter-spacing:.15em;color:var(--ink-soft);background:rgba(250,244,228,.85);transition:.3s;
}
.tool-btn.active{border-color:var(--cinnabar);color:var(--cinnabar);box-shadow:0 0 0 4px rgba(176,48,36,.12);}
.tool-btn:disabled{opacity:.4;cursor:not-allowed;}

/* 晾画 */
.dry-flex{display:flex;gap:8%;align-items:center;justify-content:center;width:100%;}
.dry-paper-slot{
  width:min(300px,38vh*0.577);aspect-ratio:400/520;border:2px dashed #b7a67f;border-radius:8px;
  display:grid;place-items:center;color:var(--ink-soft);font-size:14px;letter-spacing:.2em;
  cursor:pointer;transition:.3s;position:relative;background:rgba(250,244,228,.5);
}
.dry-paper-slot:hover{border-color:var(--cinnabar);}
.dry-paper-slot svg{width:100%;height:100%;}
.dry-paper-slot p{position:absolute;bottom:-34px;white-space:nowrap;}
.dry-rack{position:relative;width:340px;height:420px;}
.rack-line{
  position:absolute;top:60px;left:0;right:0;height:4px;background:#7a6a52;border-radius:2px;
  box-shadow:0 3px 6px rgba(60,40,20,.3);
}
.rack-line::before,.rack-line::after{
  content:"";position:absolute;top:0;width:6px;height:300px;background:#7a6a52;border-radius:3px;
}
.rack-line::before{left:14px;}.rack-line::after{right:14px;}
.rack-paper{
  position:absolute;top:64px;left:50%;transform:translateX(-50%);
  width:210px;aspect-ratio:400/520;background:#faf5e8;border:1px solid #d8c8a2;
  box-shadow:0 10px 26px rgba(120,95,55,.3);
  animation:hangSway 3.4s ease-in-out infinite;transform-origin:top center;
}
@keyframes hangSway{0%,100%{transform:translateX(-50%) rotate(.6deg);}50%{transform:translateX(-50%) rotate(-.6deg);}}
.rack-paper svg{width:100%;height:100%;}
.rack-clip{position:absolute;top:-8px;width:14px;height:22px;background:var(--cinnabar);border-radius:3px;}
.dry-bar-wrap{
  position:absolute;bottom:60px;left:40px;right:40px;height:10px;border-radius:5px;
  background:rgba(183,166,127,.35);overflow:hidden;
}
.dry-bar{height:100%;width:0;background:linear-gradient(90deg,var(--celadon),var(--celadon-deep));border-radius:5px;transition:width .2s linear;}
.dry-label{position:absolute;bottom:26px;width:100%;text-align:center;font-size:13px;letter-spacing:.3em;color:var(--ink-soft);}

/* 成品 */
.done-flex{display:flex;gap:5%;align-items:center;justify-content:center;width:100%;}
.done-card{
  width:min(330px,44vh*0.635);aspect-ratio:400/520;background:#faf5e8;
  border:6px solid var(--cinnabar-deep);outline:2px solid var(--gold);outline-offset:-14px;
  box-shadow:0 22px 60px rgba(90,50,20,.4);position:relative;
  animation:doneIn 1s cubic-bezier(.22,.8,.3,1);
}
@keyframes doneIn{from{opacity:0;transform:translateY(30px) rotate(-2deg);}to{opacity:1;transform:none;}}
.done-card svg{width:100%;height:100%;}
.done-side{max-width:300px;}
.done-side h3{font-family:var(--serif);font-size:32px;letter-spacing:.3em;color:var(--cinnabar-deep);}
.done-side p{margin:16px 0 26px;font-size:14px;line-height:2.1;color:var(--ink-soft);}
.done-side .btn-seal,.done-side .btn-ghost{display:block;width:100%;margin-bottom:14px;text-align:center;}

/* ================= 古今传承 ================= */
#screen-heritage{background:linear-gradient(180deg,#ece0c6,#e3d5b4);}
.heritage-scroll{flex:1;overflow-y:auto;padding:20px 6% 50px;}
.heritage-scroll::-webkit-scrollbar{width:8px;}
.heritage-scroll::-webkit-scrollbar-thumb{background:#c8b68e;border-radius:4px;}

/* ---- 古版年画典藏区（上半） ---- */
.ancient-section{margin:0 auto;max-width:1040px;}
/* ---- 古今对比滑块（下半） ---- */
.compare-block{max-width:880px;margin:52px auto 0;}
.compare-block h3{
  text-align:center;font-family:var(--serif);letter-spacing:.25em;color:var(--ink);
  font-size:21px;margin-bottom:16px;
}
.compare-block h3 small{display:block;font-size:12px;color:var(--ink-soft);letter-spacing:.2em;margin-top:6px;font-weight:normal;}
.compare{
  position:relative;height:340px;border-radius:12px;overflow:hidden;
  border:1px solid #c9b88f;box-shadow:0 16px 40px rgba(120,95,55,.25);
  cursor:ew-resize;touch-action:none;user-select:none;-webkit-user-select:none;
}
.cmp-layer{position:absolute;inset:0;display:grid;place-items:center;}
.cmp-layer.old{
  background:
    radial-gradient(ellipse at 30% 70%,rgba(176,48,36,.14),transparent 55%),
    linear-gradient(160deg,#e8d9b4,#d9c69c);
}
.cmp-layer.new{
  background:
    radial-gradient(ellipse at 70% 30%,rgba(122,154,141,.25),transparent 55%),
    linear-gradient(160deg,#dfe8e0,#c2d4c8);
  clip-path:inset(0 0 0 50%);
}
.cmp-photo{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.85;
}
.cmp-layer.old .cmp-photo{filter:sepia(.35) contrast(1.02);}
.cmp-label{
  position:absolute;bottom:18px;padding:7px 18px;border-radius:999px;font-size:13px;
  letter-spacing:.18em;background:rgba(43,35,32,.75);color:#f2e8d5;z-index:2;
}
.cmp-layer.old .cmp-label{left:22px;}
.cmp-layer.new .cmp-label{right:22px;}
.cmp-handle{
  position:absolute;top:0;bottom:0;left:50%;width:3px;background:#f2e8d5;z-index:5;
  box-shadow:0 0 12px rgba(0,0,0,.35);transform:translateX(-50%);
}
.cmp-handle::after{
  content:"⇔";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:42px;height:42px;border-radius:50%;background:var(--cinnabar);color:#f6ead2;
  display:grid;place-items:center;font-size:19px;box-shadow:0 6px 16px rgba(140,35,24,.4);
}

/* ---- 古版年画典藏区 ---- */
.ancient-section{margin:48px auto 0;max-width:1040px;}
.ancient-head{text-align:center;margin-bottom:30px;}
.ancient-head h3{
  font-family:var(--serif);font-size:24px;letter-spacing:.25em;color:var(--cinnabar-deep);
}
.ancient-head p{
  margin-top:10px;font-size:13.5px;letter-spacing:.18em;color:var(--ink-soft);
}
.ancient-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:30px;
  margin-bottom:0;
}
.ancient-card{
  display:flex;gap:18px;padding:22px;border-radius:12px;
  background:rgba(250,244,228,.82);border:1px solid #d8c8a2;
  box-shadow:0 8px 24px rgba(120,95,55,.15);
  transition:transform .4s cubic-bezier(.34,1.56,.64,1),box-shadow .4s;
  cursor:default;
}
.ancient-card:hover{
  transform:translateY(-6px);
  box-shadow:0 18px 38px rgba(120,95,55,.26);
  border-color:var(--cinnabar);
}
.ancient-card .ac-thumb{
  flex:none;width:120px;aspect-ratio:3/4;border-radius:6px;overflow:hidden;
  border:2px solid #c9b88f;background:#faf5e8;
  box-shadow:0 4px 14px rgba(120,95,55,.2);transition:transform .4s;
}
.ancient-card:hover .ac-thumb{transform:scale(1.05) rotate(-1.5deg);border-color:var(--cinnabar);}
.ancient-card .ac-thumb img{display:block;width:100%;height:100%;object-fit:cover;}
.ancient-card .ac-info{flex:1;display:flex;flex-direction:column;gap:4px;min-width:0;}
.ancient-card .ac-name{
  font-family:var(--serif);font-size:22px;letter-spacing:.15em;color:var(--cinnabar-deep);
}
.ancient-card .ac-meta{
  display:flex;flex-wrap:wrap;gap:6px;
}
.ancient-card .ac-tag{
  display:inline-block;padding:3px 12px;border-radius:999px;font-size:11.5px;
  letter-spacing:.1em;border:1px solid;
}
.ancient-card .ac-tag.workshop{border-color:var(--celadon-deep);color:var(--celadon-deep);}
.ancient-card .ac-tag.type{border-color:var(--gold);color:#9a7a2e;}
.ancient-card .ac-tag.placement{border-color:var(--cinnabar);color:var(--cinnabar);}
.ancient-card .ac-desc{
  font-size:12.5px;line-height:1.85;color:var(--ink-soft);margin-top:4px;
  display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;
}
.ancient-card .ac-more{
  margin-top:auto;font-size:11px;letter-spacing:.2em;color:var(--cinnabar);
  cursor:pointer;transition:.3s;align-self:flex-start;
}
.ancient-card .ac-more:hover{color:var(--celadon-deep);}
.ancient-card .ac-more.less{color:var(--celadon-deep);}
.ancient-card.expanded .ac-desc{-webkit-line-clamp:unset;overflow:visible;}

.heritage-line{
  text-align:center;margin:52px auto 0;max-width:620px;font-family:var(--serif);
  font-size:18px;line-height:2.2;letter-spacing:.12em;color:var(--cinnabar-deep);
}

/* ---- 古版年画放大模态框 ---- */
.zoom-modal{
  position:fixed;inset:0;z-index:400;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .4s ease,visibility 0s .4s;
}
.zoom-modal.show{opacity:1;visibility:visible;transition:opacity .4s ease;}
.zm-mask{
  position:absolute;inset:0;background:rgba(20,14,8,.88);
}
.zm-panel{
  position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;
  max-width:min(600px,88vw);max-height:92vh;width:100%;
  animation:zmIn .4s cubic-bezier(.22,.8,.3,1);
}
.zoom-modal.show .zm-panel{animation:zmIn .4s cubic-bezier(.22,.8,.3,1);}
@keyframes zmIn{from{opacity:0;transform:scale(.92) translateY(10px);}to{opacity:1;transform:none;}}
.zm-close{
  position:absolute;top:-40px;right:0;width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.15);color:#f2e8d5;font-size:18px;display:grid;
  place-items:center;transition:.3s;z-index:3;
}
.zm-close:hover{background:var(--cinnabar);}
.zm-image-wrap{
  width:100%;border:4px solid var(--cinnabar-deep);outline:2px solid var(--gold);
  outline-offset:-10px;border-radius:6px;overflow:hidden;
  background:#1d1712;box-shadow:0 20px 60px rgba(0,0,0,.5);
}
.zm-image{display:block;width:100%;height:auto;max-height:60vh;object-fit:contain;}
.zm-caption{
  width:100%;text-align:center;padding:18px 6px 0;
}
.zm-name{
  font-family:var(--serif);font-size:26px;letter-spacing:.25em;color:var(--cinnabar);
  text-shadow:0 2px 8px rgba(0,0,0,.4);
}
.zm-meta{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:8px;}
.zm-meta .ac-tag{color:#e8d9b4 !important;border-color:#e8d9b4 !important;}
.zm-desc{
  margin-top:10px;font-size:13.5px;line-height:1.9;color:#cfc3a8;
  letter-spacing:.06em;max-width:520px;
}
.zm-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:44px;height:44px;border-radius:50%;font-size:30px;line-height:1;
  background:rgba(255,255,255,.1);color:#f2e8d5;display:grid;place-items:center;
  transition:.3s;
}
.zm-nav:hover{background:var(--cinnabar);}
.zm-nav.prev{left:-56px;}
.zm-nav.next{right:-56px;}

@media (max-width:760px){
  .zm-panel{max-width:94vw;}
  .zm-nav.prev{left:0;width:36px;height:36px;font-size:24px;}
  .zm-nav.next{right:0;width:36px;height:36px;font-size:24px;}
  .zm-close{top:-36px;right:0;}
  .zm-name{font-size:20px;}
}

/* 响应式：古版画卡片 */
@media (max-width:760px){
  .ancient-grid{grid-template-columns:1fr;gap:20px;}
  .ancient-card{gap:14px;padding:16px;}
  .ancient-card .ac-thumb{width:90px;}
  .ancient-card .ac-name{font-size:18px;}
}

/* ================= 尾声 ================= */
#screen-finale{background:linear-gradient(180deg,#e9ddc0 0%,#dfd2b0 60%,#d2c39c 100%);}
.finale-bg{
  position:absolute;inset:0;opacity:0;animation:finaleBg 2.6s ease .3s forwards;
  background:
    radial-gradient(ellipse at 50% 30%,rgba(176,48,36,.10),transparent 55%),
    radial-gradient(ellipse at 20% 85%,rgba(122,154,141,.18),transparent 50%),
    radial-gradient(ellipse at 85% 80%,rgba(201,154,63,.14),transparent 50%);
}
@keyframes finaleBg{to{opacity:1;}}
.finale-inner{margin:auto;text-align:center;position:relative;z-index:5;padding:0 8%;}
.finale-line{
  font-family:var(--serif);font-size:clamp(38px,5.8vw,64px);letter-spacing:.3em;text-indent:.3em;
  color:var(--cinnabar-deep);min-height:1.4em;
}
.finale-line .ch{opacity:0;display:inline-block;animation:chIn .5s ease forwards;}
.finale-line .fline-part{display:inline;}
/* 宽屏：隐藏换行，显示逗号分隔符 */
.finale-line .fline-br{display:none;}
.finale-line .fline-sep{display:inline;}
/* 窄屏：显示换行，隐藏逗号分隔符 */
@media (max-width:760px){
  .finale-line{font-size:clamp(36px,5.5vw,56px);}
  .finale-line .fline-br{display:block;}
  .finale-line .fline-sep{display:none;}
}
@keyframes chIn{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:none;}}
.finale-sub{margin-top:26px;letter-spacing:.4em;text-indent:.4em;color:var(--ink-soft);font-size:14px;animation-delay:3.2s;}
.finale-actions{margin-top:44px;animation-delay:3.6s;}

/* ---------- 网站备案 ---------- */
.site-filing{
  position:fixed;left:50%;bottom:14px;transform:translateX(-50%);z-index:210;
  padding:6px 16px;border:1px solid rgba(90,76,66,.24);border-radius:999px;
  background:rgba(242,232,213,.68);box-shadow:0 3px 12px rgba(90,60,30,.1);
  backdrop-filter:blur(3px);text-align:center;
}
.site-filing a{
  color:var(--ink-soft);font-size:12px;line-height:1.5;letter-spacing:.16em;
  text-decoration:none;transition:color .25s ease;
}
.site-filing a:hover,.site-filing a:focus-visible{color:var(--cinnabar);outline:none;}

/* ================= 开场影像模态框 ================= */
.video-modal{
  position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;
  opacity:1;transition:opacity .6s ease;
}
.video-modal.hide{opacity:0;pointer-events:none;}
.vm-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 50% 40%,rgba(43,35,32,.55),rgba(43,35,32,.78)),
    rgba(43,35,32,.6);
}
.vm-panel{
  position:relative;display:flex;align-items:stretch;z-index:2;
  width:min(880px,92vw);
  animation:scrollIn 1.1s cubic-bezier(.22,.8,.3,1) .15s both;
}
.vm-rod{
  flex:none;width:20px;border-radius:10px;
  background:linear-gradient(90deg,#6b4a2e,#8a6238 40%,#5a3c24);
  box-shadow:0 4px 14px rgba(20,12,6,.5);position:relative;
}
.vm-rod::before,.vm-rod::after{
  content:"";position:absolute;left:2px;right:2px;height:12px;border-radius:6px;background:#3f2a18;
}
.vm-rod::before{top:-7px;}.vm-rod::after{bottom:-7px;}
.vm-body{
  flex:1;text-align:center;padding:30px 36px 26px;position:relative;
  background:linear-gradient(180deg,#f6eeda,#efe2c6);
  box-shadow:inset 0 0 60px rgba(160,130,80,.25), 0 24px 60px rgba(20,10,5,.5);
}
.vm-body::before,.vm-body::after{
  content:"";position:absolute;top:10px;bottom:10px;width:8px;
  background:repeating-linear-gradient(180deg,var(--cinnabar) 0 6px,transparent 6px 12px);
  opacity:.3;
}
.vm-body::before{left:12px;}.vm-body::after{right:12px;}
.vm-kicker{color:var(--celadon-deep);letter-spacing:.4em;font-size:12.5px;}
.vm-title{
  font-family:var(--serif);font-size:30px;letter-spacing:.3em;text-indent:.3em;
  color:var(--cinnabar-deep);margin:8px 0 4px;
}
.vm-sub{color:var(--ink-soft);letter-spacing:.25em;font-size:12.5px;}
.vm-screen{
  position:relative;margin-top:18px;background:#1d1712;
  border:5px solid var(--cinnabar-deep);outline:1.5px solid var(--gold);outline-offset:-10px;
  box-shadow:0 16px 40px rgba(90,50,20,.35);
}
.vm-screen video{display:block;width:100%;aspect-ratio:16/9;background:#1d1712;}
.vm-unmute{
  position:absolute;left:50%;bottom:14px;transform:translateX(-50%);z-index:3;
  padding:8px 20px;border-radius:999px;font-size:12.5px;letter-spacing:.15em;
  background:rgba(43,35,32,.8);color:#f2e8d5;border:1px solid rgba(201,154,63,.6);
  transition:.3s;
}
.vm-unmute:hover{background:var(--cinnabar);border-color:var(--cinnabar);}
.vm-foot{
  margin-top:22px;display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;
}
.vm-quality{display:flex;align-items:center;gap:8px;}
.vm-q-label{font-size:12.5px;letter-spacing:.2em;color:var(--ink-soft);margin-right:4px;}
.vm-quality button{
  padding:7px 16px;border-radius:999px;border:1.5px solid #b7a67f;font-size:12.5px;
  letter-spacing:.12em;color:var(--ink-soft);background:rgba(250,244,228,.85);transition:.3s;
}
.vm-quality button:hover{border-color:var(--cinnabar);color:var(--cinnabar);}
.vm-quality button.on{
  border-color:var(--cinnabar);background:var(--cinnabar);color:#f6ead2;
  box-shadow:0 0 0 4px rgba(176,48,36,.12);
}
@media (max-width:760px){
  .vm-body{padding:22px 18px 18px;}
  .vm-rod{width:12px;}
  .vm-foot{justify-content:center;}
}

/* 响应式微调 */
@media (max-width:980px){
  .fest-rail{width:170px;}
  .ingredients{grid-template-columns:repeat(2,110px);}
}
@media (max-width:760px){
  .site-filing{bottom:8px;padding:5px 12px;max-width:calc(100vw - 76px);}
  .site-filing a{font-size:11px;letter-spacing:.1em;}
  .cover-actions{flex-direction:column;gap:18px;align-items:center;}
  .tl-track::before{left:24px;}
  .tl-node,.tl-node:nth-child(odd),.tl-node:nth-child(even){width:100%;left:0;text-align:left;padding-left:52px;padding-right:12px;}
  .tl-node::before{left:16px !important;right:auto !important;}
  .tl-node::after{display:none;}
  .fest-rail{display:none;}
  .print-flex,.ink-flex,.dry-flex,.done-flex{flex-direction:column;gap:18px;align-items:center;}
  #sideNav{right:10px;}
  /* 工坊页：移动端允许垂直滚动，并适当缩小画板 */
  .ws-steps{gap:6px;padding:6px 10px 10px;}
  .ws-step{padding:5px 10px;font-size:11.5px;letter-spacing:.08em;}
  .ws-step i{width:17px;height:17px;font-size:10px;}
  .ws-tip{font-size:12.5px;padding:8px 14px;margin-bottom:8px;line-height:1.7;}
  .ws-pane{justify-content:flex-start;align-items:center;padding-top:4px;}
  .draft-board,.carve-board{width:min(320px,88vw,40vh);}
  .print-block,.xuan-paper{width:min(280px,84vw,36vh);}
  .ws-note{position:static;transform:none;margin:14px auto 0;}
  .tool-dock{position:static;transform:none;justify-content:center;margin:14px auto 0;flex-wrap:wrap;}
}