/* ============================================================
   BASE — 变量 / 重置 / 外壳 / 侧栏 / 顶栏 / 按钮 / 状态栏 / 弹窗
   ============================================================ */
:root{
  --ink:#101316;
  --ink-2:#111517;
  --paper:#e4e5dd;
  --paper-2:#dce0d9;
  --muted:#a9afad;
  --line:#ffffff24;
  --red:#ce3c4e;
  --gold:#c8ab72;

  --ease:cubic-bezier(.22,1,.36,1);
  --mono:ui-monospace,"SFMono-Regular","Cascadia Mono",Consolas,"Courier New",monospace;
  --sans:"Noto Sans CJK SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Noto Serif CJK SC","Songti SC",Georgia,"Times New Roman",serif;

  --side:242px;
  --top:66px;
  --foot:38px;
  --anchor:67px;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{background:var(--ink);scroll-behavior:smooth;scroll-padding-block:var(--anchor) 16px}

body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:clip;
}
body:has(dialog[open]){overflow:hidden}

h1,h2,h3,p,dl,dd,figure{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent}
img,svg,canvas{display:block;max-width:100%}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:2px solid var(--red);outline-offset:4px}

code{font:12px/1.4 var(--mono);background:#ffffff14;padding:1px 5px;border-radius:2px}

/* 占位文本：一眼可见「待替换」 */
.ph{
  text-decoration:underline dotted currentColor;
  text-decoration-thickness:1px;
  text-underline-offset:.22em;
  text-decoration-color:#ffffff45;
}
.dot-live{
  display:inline-block;width:6px;height:6px;margin-right:8px;border-radius:50%;
  background:var(--red);box-shadow:0 0 0 0 #ce3c4e8c;
  animation:pulse 2.4s infinite;
  vertical-align:middle;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 #ce3c4e88}
  70%{box-shadow:0 0 0 7px #ce3c4e00}
  100%{box-shadow:0 0 0 0 #ce3c4e00}
}

.skip-link{
  position:fixed;left:calc(var(--side) + 24px);top:0;z-index:200;
  padding:10px 20px;background:var(--paper);color:var(--ink);
  transform:translateY(-130%);transition:transform .3s var(--ease);
}
.skip-link:focus{transform:none}

.noscript-bar{
  display:none;position:fixed;left:50%;bottom:54px;z-index:60;
  transform:translateX(-50%);
  max-width:min(600px,90vw);margin:0;padding:12px 20px;
  background:var(--paper);color:var(--ink);font-size:13px;
}

/* ---------- 外壳 ---------- */
.app-shell{display:flex;min-height:100svh}
.content-shell{
  margin-left:var(--side);
  width:calc(100% - var(--side));
  min-width:0;
  display:flex;
  flex-direction:column;
}
#main{
  flex:1;
  min-height:calc(100svh - var(--top) - var(--foot));
  outline:none;
}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;inset:0 auto 0 0;z-index:20;
  width:var(--side);
  display:flex;flex-direction:column;
  overflow:hidden;
  background:var(--ink-2);
  border-right:1px solid var(--line);
}

.wordmark{
  position:relative;
  display:flex;flex-direction:column;justify-content:center;gap:7px;
  height:108px;padding:14px 24px;
  overflow:hidden;isolation:isolate;
  font:italic 700 34px/1 Georgia,var(--serif);
  letter-spacing:-2px;
  transition:color .3s;
}
.wordmark span{
  font:8.5px/1.3 var(--mono);font-style:normal;
  letter-spacing:1.6px;color:#9fb0b3;white-space:nowrap;
}
.wordmark::after{
  content:'';position:absolute;left:-40%;top:0;width:26%;height:100%;
  background:linear-gradient(90deg,transparent,#e8dfc02e,transparent);
  transform:skewX(-25deg);pointer-events:none;
}
.wordmark:hover::after,.wordmark:focus-visible::after{animation:brand-shine .95s var(--ease) both}
.wordmark:hover{color:#fff}
@keyframes brand-shine{to{left:125%}}

.side-rule{
  margin:0 24px;height:40px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  border-top:1px solid #ffffff33;border-bottom:1px solid #ffffff12;
  font-size:11px;letter-spacing:1.6px;color:#9babae;
}
.side-cross{font:18px var(--mono);color:#7d8a8d}

/* 章节导航：纸片 + 红条 + 仪表 */
.chapter-nav{position:relative;padding:22px 0 8px;z-index:3}

.chapter-link{
  position:relative;
  display:flex;align-items:center;gap:16px;
  min-height:78px;padding:12px 22px;
  isolation:isolate;color:#b9c2c2;
  transition:color .35s,transform .5s var(--ease);
}
.chapter-link::before{
  content:'';position:absolute;inset:0 10px 0 0;z-index:-1;
  background:var(--paper);
  clip-path:polygon(0 0,calc(100% - 15px) 0,100% 50%,calc(100% - 15px) 100%,0 100%);
  transform:scaleX(0);transform-origin:left;
  transition:transform .5s var(--ease);
}
.chapter-link::after{
  content:'';position:absolute;left:0;top:15%;width:3px;height:70%;
  background:var(--red);transform:scaleY(0);
  transition:transform .5s var(--ease);
}
.chapter-link:hover::before{transform:scaleX(1);background:#2a3337}
.chapter-link:hover{color:var(--paper)}
.chapter-link.active{color:var(--ink)}
.chapter-link.active::before{transform:scaleX(1);background:var(--paper)}
.chapter-link.active::after{transform:scaleY(1)}
.chapter-link:focus-visible{outline-offset:-3px}

.nav-number{width:22px;font:13px var(--mono);color:#829299;transition:color .35s}
.chapter-link.active .nav-number{color:#9a2836;animation:nav-stamp .6s var(--ease) both}
.chapter-link:hover .nav-number{color:#b6c4c8}

.nav-copy{display:flex;flex-direction:column;transition:transform .6s var(--ease)}
.nav-copy b{font-size:19px;font-weight:500;letter-spacing:5px;line-height:1.35}
.nav-copy small{font:8.5px/1.6 var(--mono);letter-spacing:.8px;opacity:.78;white-space:nowrap}
.chapter-link:not(.active):hover .nav-copy,
.chapter-link:focus-visible .nav-copy{transform:translateX(5px)}

.nav-mark{
  position:relative;display:grid;place-items:center;
  width:24px;height:24px;margin-left:auto;flex:none;
  opacity:0;transform:rotate(-90deg);
  transition:opacity .45s var(--ease),transform .5s var(--ease);
}
.chapter-link.active .nav-mark,
.chapter-link:hover .nav-mark,
.chapter-link:focus-visible .nav-mark{opacity:1;transform:none}
.nav-mark svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.1;stroke-linecap:square}
.nav-mark path{stroke-dasharray:1;stroke-dashoffset:0}
.chapter-link:hover .nav-mark path,
.chapter-link:focus-visible .nav-mark path{animation:glyph-trace .8s var(--ease) both}
@keyframes glyph-trace{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
@keyframes nav-stamp{
  0%{opacity:0;transform:translateY(-9px);filter:blur(3px)}
  100%{opacity:1;transform:none;filter:none}
}

/* 跟随当前章节的取景框 */
.nav-traveller{
  position:absolute;left:0;top:0;z-index:5;
  width:0;height:0;pointer-events:none;
  transform:translate3d(0,0,0);
  transition:transform .75s var(--ease),width .7s var(--ease),height .7s var(--ease);
}
.nav-traveller::before,
.nav-traveller::after{
  content:'';position:absolute;left:5px;width:14px;height:8px;border-left:1px solid var(--red);
}
.nav-traveller::before{top:5px;border-top:1px solid var(--red)}
.nav-traveller::after{bottom:5px;border-bottom:1px solid var(--red)}
.nav-traveller i{
  position:absolute;right:8px;top:50%;width:4px;height:4px;background:var(--red);
  transform:translateY(-50%) rotate(45deg);
  box-shadow:0 0 12px #ce3c4e66;
}
.nav-traveller b{
  position:absolute;left:6px;top:19%;width:1px;height:62%;background:#cb3b4e33;
}

/* 档案图版 */
.side-plate{
  position:relative;flex:1;min-height:150px;margin-top:12px;overflow:hidden;
  background:
    radial-gradient(80% 60% at 28% 18%,#2a3940 0%,transparent 66%),
    linear-gradient(160deg,#162025,#111517 72%);
  mask-image:linear-gradient(transparent,#000 14%,#000 86%,transparent);
  -webkit-mask-image:linear-gradient(transparent,#000 14%,#000 86%,transparent);
}
.side-plate::after{
  content:'';position:absolute;inset:0;
  background:
    repeating-linear-gradient(0deg,transparent 0 22px,#c6d5d70c 22px 23px),
    linear-gradient(0deg,#111517,transparent 55%);
}
.plate-figure{
  position:absolute;left:8px;top:12px;
  width:218px;height:218px;
  border:1px solid #aaafb733;border-radius:50%;
  display:grid;place-items:center;
  transition:transform 1.4s var(--ease);
}
.plate-figure::after{
  content:'';position:absolute;inset:8px;
  border:1px dashed #ffffff33;border-radius:50%;
}
.plate-figure i{position:absolute;inset:-7%;border:1px solid #c9d3d31b;border-radius:50%}
.plate-figure i:nth-child(2){inset:18%;border-radius:0;transform:rotate(45deg)}
.plate-figure i:nth-child(3){inset:38%;border-color:#c9d3d326}
.plate-figure>span{position:absolute;right:2%;top:16%;font-size:20px;color:#bf3d4d;font-style:normal}
body[data-scene="works"] .plate-figure{transform:rotate(90deg) scale(.86)}
body[data-scene="studies"] .plate-figure{transform:rotate(180deg) scale(1.08)}
body[data-scene="about"] .plate-figure{transform:rotate(270deg) scale(.95)}

.plate-id{position:absolute;left:20px;top:14px;z-index:2;font:11px var(--mono);color:#d5b4a7}
.plate-caption{
  position:absolute;right:18px;bottom:26px;z-index:2;
  font:8.5px/1.4 var(--mono);letter-spacing:2px;text-align:right;color:#b3c7ca;
}

.side-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:13px 24px 17px;
  font-size:10px;color:#929a9b;
}
.side-ticks{color:#778488;letter-spacing:-2px;white-space:nowrap}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:var(--top);padding:0 34px;
  background:var(--ink);
  border-bottom:1px solid #ffffff26;
}
.breadcrumb{
  display:flex;align-items:center;gap:15px;min-width:0;
  font:10px var(--mono);letter-spacing:1.2px;color:#a6b0b1;
}
.tiny-cross{font-size:22px;line-height:1;color:#eceded}
.breadcrumb-root{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.breadcrumb-current{
  padding-left:16px;border-left:1px solid #ffffff30;
  font:11px var(--sans);letter-spacing:2px;color:#dfe5e1;white-space:nowrap;
}
.global-controls{display:flex;align-items:center;gap:24px}

.icon-button{
  position:relative;display:flex;align-items:center;gap:8px;
  padding:8px 0;font-size:11.5px;color:#c3c8c7;white-space:nowrap;
  transition:color .3s;
}
.icon-button::after{
  content:'';position:absolute;left:0;right:0;bottom:1px;height:1px;
  background:var(--red);transform:scaleX(0);transform-origin:left;
  transition:transform .45s var(--ease);
}
.icon-button:hover{color:#fff}
.icon-button:hover::after,.icon-button:focus-visible::after{transform:scaleX(1)}
.icon-button[aria-pressed="true"]{color:#fff}
.icon-button:disabled{opacity:.4;cursor:default}
.icon-button:disabled::after{display:none}

.sound-glyph{font-size:14px;font-style:normal;color:var(--red);transition:color .3s}
.icon-button[aria-pressed="false"] .sound-glyph{color:#7f8d90}
#sound-toggle[aria-pressed="true"]{color:#f0b6bc}

.replay-icon{font:20px/1 var(--sans);font-style:normal;transition:transform .8s var(--ease)}
.icon-button:hover .replay-icon{transform:rotate(-100deg)}

.motion-glyph{display:flex;align-items:flex-end;gap:2px;height:14px}
.motion-glyph i{display:block;width:2px;height:11px;background:var(--red);animation:equalizer .9s ease-in-out infinite alternate}
.motion-glyph i:nth-child(2){height:6px;animation-delay:-.3s}
.motion-glyph i:nth-child(3){height:9px;animation-delay:-.6s}
#motion-toggle[aria-pressed="false"] .motion-glyph i{height:2px;animation:none;background:#7f8d90}
@keyframes equalizer{to{transform:scaleY(.35)}}

/* ---------- 切角按钮（磁吸） ---------- */
.cut-button{
  position:relative;
  display:inline-flex;align-items:center;justify-content:space-between;gap:34px;
  min-height:56px;padding:0 24px;
  background:var(--red);color:#fff;
  font-size:13.5px;letter-spacing:3px;
  isolation:isolate;overflow:hidden;
  clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,14px 100%,0 calc(100% - 14px));
  transform:translate(calc(var(--local-x,0) * 4px),calc(var(--local-y,0) * 3px));
  transition:color .4s,transform .45s var(--ease);
}
.cut-button>b{
  padding-left:16px;border-left:1px solid #ffffff66;
  font:10px var(--mono);letter-spacing:1px;font-weight:400;
  transition:transform .5s var(--ease);
}
.cut-button>i{
  position:absolute;inset:0;z-index:-1;background:var(--paper);
  transform:translateX(-102%);
  transition:transform .6s var(--ease);
}
.cut-button:hover,.cut-button:focus-visible{color:var(--ink);transform:translateY(-3px)}
.cut-button:hover>i,.cut-button:focus-visible>i{transform:none}
.cut-button:hover>b,.cut-button:focus-visible>b{transform:translateX(4px)}
.cut-button.gold{background:var(--gold);color:#171816}
.cut-button.gold>i{background:#e8dfc6}
.cut-button.gold:hover,.cut-button.gold:focus-visible{color:#171816}

/* ---------- 状态栏 ---------- */
.statusbar{
  position:sticky;bottom:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:var(--foot);padding:0 34px;
  overflow:hidden;
  background:var(--ink);
  border-top:1px solid #ffffff24;
  font:9.5px var(--mono);letter-spacing:1.5px;color:#99a5a6;
}
.scroll-trace{
  position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--red),#e1c98f);
  transform:scaleX(var(--progress,0));transform-origin:left;
  transition:transform .15s linear;
}
.footer-mid{opacity:.72}
.footer-right{display:flex;align-items:center;gap:18px}
#clock{font-variant-numeric:tabular-nums;color:#c2cccb}
.footer-sign{
  font:italic 17px Georgia,var(--serif);color:#d5d6cd;
  transition:letter-spacing .6s var(--ease);
}
.footer-sign b{font:12px var(--sans);font-style:normal;color:var(--red);margin-left:7px}
.footer-sign:hover{letter-spacing:2px}

/* ---------- 详情弹窗 ---------- */
dialog{
  width:min(1040px,calc(100vw - 64px));
  max-height:calc(100svh - 64px);
  padding:0;overflow:auto;overflow-x:hidden;
  border:1px solid #aababc44;
  background:#dfe2dc;color:#1d2930;
  box-shadow:0 35px 100px #0008;
}
dialog::backdrop{background:#060e14cc;backdrop-filter:blur(7px)}
dialog[open]{animation:dialog-enter .6s var(--ease) both}

.dialog-toolbar{
  position:sticky;top:0;z-index:12;
  display:flex;justify-content:flex-end;height:0;pointer-events:none;
}
.dialog-close{
  position:relative;top:15px;right:17px;
  display:flex;align-items:center;gap:26px;
  min-height:44px;padding:7px 14px;
  background:#17232beb;color:#e4e5df;font-size:12px;
  pointer-events:auto;
  transition:background .4s;
}
.dialog-close span{display:block;font-size:22px;line-height:1;transition:transform .6s var(--ease)}
.dialog-close:hover{background:var(--red)}
.dialog-close:hover span{transform:rotate(90deg)}
.dialog-close:focus-visible{outline-color:#f5d7d7;outline-offset:-4px}

.detail-layout{display:grid;grid-template-columns:1.15fr 1fr}
.detail-art{
  position:relative;min-height:470px;overflow:hidden;
  background:#101316;
  clip-path:polygon(0 0,calc(100% - 20px) 0,100% 20px,100% 100%,0 100%);
}
.detail-no{
  position:absolute;left:22px;bottom:22px;z-index:4;
  font:200 96px/1 var(--sans);letter-spacing:-6px;color:#ffffff88;
}
.detail-body{padding:62px 34px 38px}
.detail-body h2{
  margin:14px 0 20px;
  font:500 36px/1.14 var(--sans);letter-spacing:-1.4px;
}
.detail-body h2 span{
  display:block;margin-top:13px;
  font-size:16px;font-weight:400;letter-spacing:3px;color:#5d6d74;
}
.detail-body>p{font-size:14.5px;line-height:1.9;color:#48565e}
.detail-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.detail-tags span{
  padding:5px 9px;border:1px solid #23343a33;
  font-size:12px;letter-spacing:1px;
  transition:color .4s,border-color .4s,transform .4s;
}
.detail-tags span:hover{color:#8b2337;border-color:#a8364c;transform:translateY(-2px)}
.detail-body dl{margin:26px 0 24px}
.detail-body dl>div{
  display:grid;grid-template-columns:74px 1fr;gap:14px;
  padding:11px 0;border-top:1px solid #23343a22;font-size:12px;
}
.detail-body dt{color:#47575f}
.detail-body dd{margin:0}
.detail-body .cut-button{min-height:50px;font-size:12px;gap:26px}
.detail-state{
  margin-top:20px;padding-left:12px;
  border-left:2px solid var(--red);
  font:11px/1.7 var(--mono);letter-spacing:.6px;color:#7a3b45;
}

/* ---------- 响应式 ---------- */
@media (min-width:1700px){
  :root{--side:278px}
  .wordmark{height:126px;font-size:40px}
  .chapter-link{min-height:88px}
}
@media (max-width:1200px){
  :root{--side:206px}
  .wordmark{height:96px;font-size:29px;padding:12px 20px;gap:6px}
  .wordmark span{font-size:8px;letter-spacing:1.1px}
  .side-rule{margin:0 20px;font-size:10px;letter-spacing:1px}
  .chapter-link{padding:12px 19px;gap:12px}
  .nav-copy b{font-size:17px;letter-spacing:4px}
  .nav-copy small{font-size:7.5px;letter-spacing:.3px}
  .nav-mark{width:20px}
  .topbar,.statusbar{padding-left:26px;padding-right:26px}
  .global-controls{gap:17px}
  .plate-figure{width:186px;height:186px}
}
@media (max-width:980px){
  :root{--side:174px;--top:60px}
  .wordmark{height:92px;padding:12px 17px;font-size:26px;gap:5px}
  .wordmark span{font-size:7.5px;letter-spacing:1px}
  .side-rule{margin:0 17px;height:34px}
  .chapter-link{padding:13px 15px;gap:10px;min-height:70px}
  .nav-number{width:17px;font-size:11px}
  .nav-copy b{font-size:16px;letter-spacing:3px}
  .nav-copy small{font-size:7px;letter-spacing:.2px}
  .nav-mark{width:17px}
  .nav-mark svg{width:15px;height:15px}
  .side-bottom{padding:11px 16px;font-size:9.5px}
  .side-ticks{display:none}
  .plate-figure{width:160px;height:160px}
  .breadcrumb{font-size:9px;gap:10px}
  .breadcrumb-current{font-size:10px;padding-left:10px}
  .global-controls{gap:14px}
  .icon-button{font-size:10.5px;gap:6px}
  .detail-layout{grid-template-columns:1fr}
  .detail-art{min-height:250px}
  .detail-body{padding:34px}
  .detail-body h2{font-size:30px}
  .footer-mid{display:none}
}
/* 手机：侧栏变横置顶栏，导航横排 */
@media (max-width:680px){
  :root{--side:0px;--top:50px;--foot:34px;--anchor:126px}

  .app-shell{display:block;padding-top:116px}
  .sidebar{
    inset:0 0 auto;width:100%;height:116px;
    display:block;border-right:0;border-bottom:1px solid #eee2;
    background:#101517;
  }
  .wordmark{
    position:absolute;left:18px;top:11px;
    width:fit-content;max-width:calc(100% - 168px);
    height:38px;padding:0;font-size:28px;letter-spacing:-1.6px;gap:3px;
    align-items:flex-start;
  }
  .wordmark span{font-size:6.5px;letter-spacing:1.2px}
  .side-rule,.side-plate,.side-bottom{display:none}

  .chapter-nav{position:absolute;left:8px;right:8px;bottom:0;display:flex;height:58px;padding:0}
  .chapter-link{flex:1;min-height:58px;padding:8px 9px;gap:7px;align-items:flex-start}
  .chapter-link::before{inset:0;clip-path:polygon(0 0,calc(100% - 9px) 0,100% 9px,100% 100%,0 100%)}
  .chapter-link::after{left:9px;top:auto;bottom:0;width:22px;height:3px;transform:scaleY(0)}
  .chapter-link.active::after{transform:scaleY(1)}
  .nav-copy b{font-size:13.5px;letter-spacing:2px}
  .nav-copy small{font-size:6px;letter-spacing:.1px;line-height:1.5}
  .nav-number{width:auto;margin-top:3px;font-size:8.5px;flex:none}
  .nav-mark{display:none}
  .nav-traveller::before{top:auto;bottom:3px;left:5px;width:8px;height:5px;border-top:0;border-bottom:1px solid var(--red)}
  .nav-traveller::after{left:auto;right:5px;bottom:3px;width:8px;height:5px;border-left:0;border-right:1px solid var(--red)}
  .nav-traveller i{top:auto;left:50%;right:auto;bottom:5px;width:2px;height:2px;transform:translateX(-50%) rotate(45deg)}
  .nav-traveller b{display:none}

  .content-shell{margin-left:0;width:100%}

  .topbar{
    position:fixed;top:0;right:12px;left:auto;
    height:60px;padding:0;
    background:none;border:0;z-index:40;
  }
  .breadcrumb{display:none}
  .global-controls{gap:13px}
  .icon-button{gap:5px;font-size:10px}
  .replay-icon{font-size:18px}
  .motion-glyph{height:11px}
  .motion-glyph i{height:8px}

  .statusbar{height:var(--foot);padding:0 16px;font-size:8px;letter-spacing:1px}
  .footer-right{gap:11px}
  .footer-sign{font-size:14px}
  .footer-sign b{margin-left:5px}
  #clock{display:none}

  .skip-link{left:14px;top:122px}
  dialog{width:calc(100vw - 22px);max-height:calc(100svh - 30px)}
  .detail-art{min-height:230px}
  .detail-body{padding:26px 21px}
  .detail-body h2{font-size:27px}
  .detail-body h2 span{font-size:14px;letter-spacing:2px}
  .detail-no{font-size:66px;left:16px;bottom:16px}
  .dialog-close{top:9px;right:9px;padding:4px 10px;gap:16px;font-size:11px}
  .detail-body dl>div{grid-template-columns:64px 1fr}
  .noscript-bar{left:14px;right:14px;transform:none;max-width:none}
}
@media (max-width:375px){
  .wordmark{font-size:25px}
  .wordmark span{display:none}
  .chapter-link{padding:7px 6px;gap:5px}
  .nav-copy b{font-size:12px}
  .nav-copy small{font-size:5.5px}
}