/* Layout: 整个网站是一扇起雾的窗。首页只有窗和书桌上的几本书；书架、札记、记录各自一页，浮在窗前 */
:root{
  --bg:#d3deea;
  --paper:#f7f5ef;
  --paper-2:#eceeec;
  --ink:#303a40;
  --ink-soft:#6e787c;
  --line:#bcc2bd;
  --accent:#6f7fa6;
  --moss:#7d8f7a;
  --glass:rgba(246,247,245,.62);
  --shadow:0 1px 0 rgba(44,54,64,.05),0 2px 6px -2px rgba(35,51,65,.12),0 12px 32px -6px rgba(35,51,65,.16);
  /* 窗外 */
  --sky-top:#8fa6c2;--sky-low:#c9d7e6;--shore:#6f88a6;--lake-top:#a9bdd3;--lake-low:#6e8bab;--fog:220,229,239;--fog-a:.42;--rain:rgba(80,100,128,.26);--night:0;
  --f-display:"Instrument Serif","Noto Serif SC",Georgia,serif;
  --f-body:"Noto Serif SC","Songti SC","SimSun",serif;
  --f-sc:"Cormorant SC","Cormorant Garamond",Georgia,serif;--f-it:"Cormorant Garamond",Georgia,serif;
  --f-label:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#111a27;--paper:#222a33;--paper-2:#1b222a;--ink:#dfe4e8;--ink-soft:#97a2ad;--line:#36414c;--accent:#a3aed2;--moss:#9fb39b;
  --glass:rgba(28,35,44,.58);--shadow:0 1px 0 rgba(0,0,0,.3),0 18px 40px -16px rgba(0,0,0,.75);
  --sky-top:#0f1828;--sky-low:#22324a;--shore:#141f30;--lake-top:#1d2c43;--lake-low:#0d1522;--fog:20,30,46;--fog-a:.32;--rain:rgba(175,192,215,.2);--night:1;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#111a27;--paper:#222a33;--paper-2:#1b222a;--ink:#dfe4e8;--ink-soft:#97a2ad;--line:#36414c;--accent:#a3aed2;--moss:#9fb39b;
  --glass:rgba(28,35,44,.58);--shadow:0 1px 0 rgba(0,0,0,.3),0 18px 40px -16px rgba(0,0,0,.75);
  --sky-top:#0f1828;--sky-low:#22324a;--shore:#141f30;--lake-top:#1d2c43;--lake-low:#0d1522;--fog:20,30,46;--fog-a:.32;--rain:rgba(175,192,215,.2);--night:1;color-scheme:dark}

[hidden]{display:none!important}
/* 启动页：米白的纸，四角是手绘线稿（垂枝、芦苇、绣球、涟漪），中间一行花体字 */
#splash{position:fixed;inset:0;z-index:60;background:radial-gradient(110% 90% at 50% 45%,#fdfcf8,#f1f2ee);transition:opacity 1.8s var(--ease),filter 1.8s var(--ease);cursor:pointer;overflow:hidden}
#splash.out{opacity:0;filter:blur(16px);pointer-events:none}
.sp-c{position:absolute;width:min(46vw,520px);height:auto;pointer-events:none;overflow:visible}
.sp-c.tl{left:0;top:0}.sp-c.tr{right:0;top:0;transform:scaleX(-1)}
.sp-c.bl{left:0;bottom:0}.sp-c.br{right:0;bottom:0;transform:scaleX(-1)}
.sp-c path,.sp-c ellipse{fill:none;stroke:#56657a;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke;stroke-dasharray:1;stroke-dashoffset:1}
.sp-c .fl{stroke:#7d93bd}.sp-c .th{stroke-width:.6;opacity:.75}
#splash.on .sp-c path,#splash.on .sp-c ellipse{animation:spDraw var(--d,2.4s) var(--ease) var(--dl,0s) forwards}
@keyframes spDraw{to{stroke-dashoffset:0}}
#splash.quick .sp-c path,#splash.quick .sp-c ellipse{animation-duration:1.1s;animation-delay:calc(var(--dl,0s) * .35)}
#splash.quick .sp-mid{transition-delay:.2s}
.sp-sway{transform-box:fill-box;animation:spSway 7s ease-in-out infinite alternate}
.sp-c.tl .sp-sway,.sp-c.tr .sp-sway{transform-origin:0 0}.sp-c.bl .sp-sway,.sp-c.br .sp-sway{transform-origin:50% 100%}
@keyframes spSway{from{transform:rotate(-.8deg)}to{transform:rotate(.8deg)}}
.sp-mid{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:clamp(8px,1.6vh,14px);padding:0 16px;
  opacity:0;filter:blur(3px);transition:opacity 1.6s var(--ease) .7s,filter 1.6s var(--ease) .7s}
#splash.on .sp-mid{opacity:1;filter:none}
.sp-num,.sp-year{font-family:var(--f-sc);font-size:13px;letter-spacing:.42em;padding-left:.42em;color:#7f8a96}
.sp-t{font-family:"Pinyon Script","Cormorant Garamond",cursive;font-weight:400;font-size:clamp(50px,8.4vw,108px);line-height:1.15;color:#34404e;padding:0 .2em;white-space:nowrap}
.sp-sub{font-family:var(--f-it);font-style:italic;font-size:clamp(15px,1.7vw,19px);color:#69768a;margin-top:-4px}
.sp-orn{width:84px;height:1px;background:#b9c1ca;position:relative;margin:6px 0}
.sp-orn::after{content:"";position:absolute;left:50%;top:50%;width:7px;height:7px;border:1px solid #b9c1ca;background:#fbfbf8;transform:translate(-50%,-50%) rotate(45deg)}
@media (max-width:640px){.sp-c{width:62vw}.sp-c.tr,.sp-c.br{display:none}.sp-t{font-size:13vw}}
*{box-sizing:border-box;scrollbar-width:none}
::-webkit-scrollbar{display:none}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.7;margin:0;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:0;overflow-x:hidden}
#win{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}
.wrap{position:relative;z-index:1;max-width:1080px;margin:0 auto;min-height:100%;display:flex;flex-direction:column}
.label{font-family:var(--f-label);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.glass{background:var(--glass);-webkit-backdrop-filter:blur(16px) saturate(120%);backdrop-filter:blur(16px) saturate(120%);border:1px solid color-mix(in srgb,var(--paper) 50%,transparent)}

/* 顶栏：安静地待在角落 */
header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:20px 0;flex-wrap:wrap}
.brand{font-weight:500;font-size:17px;letter-spacing:.3em;color:var(--ink);text-decoration:none;text-shadow:0 0 18px rgba(var(--fog),.9)}
.top-r{display:flex;gap:8px;align-items:center;position:relative}
.mixer{position:absolute;right:0;top:calc(100% + 10px);z-index:20;width:230px;border-radius:14px;padding:14px 16px;display:grid;gap:10px;animation:rise .6s var(--ease) both}
.mixer label{display:grid;grid-template-columns:36px 1fr;align-items:center;gap:10px;font-size:13px;color:var(--ink-soft);letter-spacing:.1em}
.mixer input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:18px;background:transparent;cursor:pointer;--v:0%}
.mixer input[type=range]::-webkit-slider-runnable-track{height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent) var(--v),var(--line) var(--v))}
.mixer input[type=range]::-moz-range-track{height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent) var(--v),var(--line) var(--v))}
.mixer input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;margin-top:-5px;border-radius:50%;background:var(--paper);border:1px solid var(--accent)}
.mixer input[type=range]::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:var(--paper);border:1px solid var(--accent)}
header nav{display:flex;gap:2px;border-radius:999px;padding:3px}
header nav a{font-size:13.5px;color:var(--ink-soft);text-decoration:none;padding:4px 13px;border-radius:999px;letter-spacing:.12em;transition:background .4s var(--ease),color .4s var(--ease)}
header nav a[aria-current="page"]{background:var(--ink);color:var(--paper)}
.icon-btn{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:15px;padding:0;transition:background .4s var(--ease),color .4s var(--ease)}
.icon-btn{color:var(--ink-soft)}.icon-btn:hover{color:var(--ink)}
.icon-btn[aria-pressed="true"]{color:var(--accent)}
#rainBtn[aria-pressed="true"] .dp{fill:color-mix(in srgb,var(--accent) 30%,transparent)}
.pg{display:grid;place-items:center;color:var(--ink-soft)}
.search .si{display:grid;color:var(--ink-soft)}
.back{display:inline-flex;align-items:center;gap:6px}

main{flex:1;display:flex;flex-direction:column}

/* 首页：只有书桌 */
.stage{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;padding-block:4vh 8vh}
.desk{display:flex;justify-content:center;align-items:flex-end;width:100%;padding:30px 0 34px;overflow-x:clip;overflow-y:visible;overflow-clip-margin:14px;--cw:min(190px,calc((100vw - 56px) / 4.6))}
.card{flex:0 0 auto;will-change:transform;width:var(--cw);aspect-ratio:5/8;max-width:100%;background:var(--paper);border-radius:12px;box-shadow:var(--shadow);
  margin:0 calc(var(--cw) * -.07);padding:calc(var(--cw) * .056);display:flex;flex-direction:column;text-decoration:none;color:inherit;position:relative;
  border:1px solid color-mix(in srgb,var(--line) 60%,transparent);
  transform:translateX(var(--sx,0px)) translateY(calc(var(--y) + var(--ly,0px))) rotate(var(--rr,var(--r))) scale(var(--s,1));
  transition:transform 1s var(--ease),box-shadow 1s var(--ease),opacity 1s var(--ease)}
.card.lift{--ly:-14px;--rr:calc(var(--r) * .3);--s:1.03;z-index:5;box-shadow:0 34px 54px -22px rgba(20,28,38,.5)}
.desk.dealing .card{opacity:0;--sx:var(--fromx,0px);--rr:0deg;--ly:50px;--s:.94}
.desk.dealing .card,.desk.arriving .card{transition-duration:2.2s}
.card{padding:0}
/* 扉页：双线框、罗马数字、小型大写书名、菱形装饰 */
.fr{position:absolute;inset:calc(var(--cw) * .06);border:1px solid var(--line);border-radius:5px;pointer-events:none}
.fr::after{content:"";position:absolute;inset:4px;border:.5px solid var(--line);border-radius:3px}
.title-page{position:absolute;inset:calc(var(--cw) * .06);display:flex;flex-direction:column;align-items:center;justify-content:space-between;text-align:center;padding:calc(var(--cw) * .13) calc(var(--cw) * .08) calc(var(--cw) * .1)}
.title-page .num{font-family:var(--f-sc);font-size:calc(var(--cw) * .12);letter-spacing:.1em;line-height:1}
.title-page .tt{font-family:var(--f-sc);font-weight:600;font-size:calc(var(--cw) * .1);letter-spacing:.14em;line-height:1.25;text-wrap:balance}
.title-page .sub{font-family:var(--f-it);font-style:italic;font-size:calc(var(--cw) * .076);color:var(--ink-soft);margin-top:4px}
.orn{width:26%;height:1px;background:var(--line);margin:calc(var(--cw) * .06) auto;position:relative}
.orn::after{content:"";position:absolute;left:50%;top:50%;width:5px;height:5px;border:1px solid var(--line);transform:translate(-50%,-50%) rotate(45deg);background:var(--paper)}
.title-page .zh{font-size:calc(var(--cw) * .066);font-weight:500;letter-spacing:.22em;padding-left:.22em;color:color-mix(in srgb,var(--ink) 82%,var(--paper))}
.title-page .au{font-family:var(--f-sc);font-size:calc(var(--cw) * .066);letter-spacing:.2em}
.caption{text-align:center;min-height:92px;display:grid;gap:4px;justify-items:center}
.caption .num{font-family:var(--f-display);font-size:30px;line-height:1;letter-spacing:.12em;color:var(--accent)}
.caption b{font-weight:500;font-size:17px;letter-spacing:.45em;padding-left:.45em}
.caption i{font-style:normal;font-size:13px;color:var(--ink-soft);letter-spacing:.08em}
.caption{transition:opacity 1.25s var(--ease),filter 1.25s var(--ease)}
.caption>*{text-shadow:0 0 16px rgba(var(--fog),.9)}
.caption.swap{opacity:0;filter:blur(2.5px);transition-duration:.45s}
.veil{position:fixed;inset:0;z-index:30;background:rgba(var(--fog),.25);-webkit-backdrop-filter:blur(0px);backdrop-filter:blur(0px);opacity:0;transition:opacity .85s var(--ease),backdrop-filter .85s var(--ease),-webkit-backdrop-filter .85s var(--ease)}
.veil.on{opacity:1;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.fly{position:fixed;z-index:31;margin:0;pointer-events:none}

/* 书架 */
.page{padding-block:34px 60px}
.lib-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.search{flex:1 1 240px;display:flex;align-items:center;gap:8px;border-radius:999px;padding:7px 16px;transition:border-color .4s var(--ease),box-shadow .4s var(--ease)}
.search:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 16%,transparent)}
.search span{color:var(--ink-soft)}
.search input{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:inherit;font-size:14.5px;outline:none}
.search input::-webkit-search-cancel-button{display:none}
.chips{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.fchip{border:1px solid transparent;background:transparent;border-radius:999px;padding:3px 12px;font-size:13px;color:var(--ink-soft);transition:background .4s var(--ease),color .4s var(--ease)}
.fchip[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.chips .sep{width:1px;height:16px;background:var(--line);margin:0 2px}
.lib-stage{position:relative;margin-top:22px;overflow:clip;overflow-clip-margin:16px;touch-action:pan-y}
.lib-grid{display:grid;grid-template-columns:repeat(var(--cols,6),minmax(0,1fr));gap:16px}
.tile{position:relative;display:block;aspect-ratio:5/8;background:var(--paper);border-radius:10px;box-shadow:var(--shadow);text-decoration:none;color:inherit;min-width:0;transition:transform .9s var(--ease),box-shadow .9s var(--ease)}
.tile:hover,.tile:focus-visible{transform:translateY(-6px)}
.tile .title-page .num{font-size:calc(var(--cw) * .085)}
.tile .zh em{font-style:normal;color:var(--accent)}
.tile .prog{position:absolute;left:24%;right:24%;bottom:calc(var(--cw) * .1 + 2px);height:1px;background:color-mix(in srgb,var(--line) 50%,transparent);display:none}
.tile .prog i{display:block;height:100%;background:var(--accent)}
.empty{text-align:center;color:var(--ink-soft);padding:40px 0;margin:0}
.pager{display:flex;align-items:center;gap:10px;margin-top:20px}
.pg{width:34px;height:34px;flex:0 0 auto;border-radius:50%;font-size:18px;line-height:1;padding:0;transition:opacity .4s var(--ease)}
.pg:disabled{opacity:.3;cursor:default}
.index{flex:1;display:flex;justify-content:center;flex-wrap:wrap;gap:2px;min-width:0}
.index button{border:0;background:none;font-family:var(--f-label);font-size:11.5px;color:var(--ink-soft);width:22px;height:22px;border-radius:50%;padding:0;transition:background .4s var(--ease),color .4s var(--ease),transform .4s var(--ease)}
.index button.on{background:var(--accent);color:var(--paper);transform:scale(1.12)}
.pgno{flex:0 0 auto;font-variant-numeric:tabular-nums;min-width:52px;text-align:center}
.add-pop{margin-top:14px;border-radius:14px;padding:20px;display:grid;gap:12px;justify-items:center;animation:rise .5s var(--ease) both}
.add-pop .zone{width:100%;border:1.5px dashed var(--line);border-radius:10px;padding:22px;text-align:center;color:var(--ink-soft);font-size:13.5px}
.add-pop .row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:transparent;border-radius:999px;padding:6px 16px;font-size:13.5px;letter-spacing:.06em;transition:background .4s var(--ease)}
.btn:hover{background:var(--paper)}
.btn.solid{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* 阅读 */
.reader-bar{display:flex;gap:8px;align-items:center;justify-content:space-between;padding-block:16px 6px;transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reader-bar.idle{opacity:0;transform:translateY(-6px);pointer-events:none}
.tools{display:flex;gap:4px;flex-wrap:wrap;border-radius:999px;padding:3px}
.tool{border:0;background:transparent;border-radius:999px;padding:3px 12px;font-size:13px;transition:background .4s var(--ease),color .4s var(--ease)}
.tool[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.back{color:var(--ink);text-decoration:none;font-size:13.5px;border-radius:999px;padding:4px 14px}
.reader{display:grid;grid-template-columns:130px minmax(0,1fr) 220px;gap:26px;align-items:start;margin-top:6px;padding-bottom:60px}
.toc{position:sticky;top:16px;font-size:13.5px;color:var(--ink-soft);display:grid;gap:6px;text-shadow:0 0 12px rgba(var(--fog),.9)}
.toc a{color:inherit;text-decoration:none;padding:2px 0 2px 10px;border-left:2px solid transparent;transition:color .4s var(--ease)}
.toc a.on{color:var(--ink);border-left-color:var(--accent)}
.sheet{--r-bg:var(--paper);--r-fg:var(--ink);--r-soft:var(--ink-soft);background:var(--r-bg);color:var(--r-fg);border-radius:6px;box-shadow:var(--shadow);padding:clamp(28px,5vw,60px) clamp(20px,6vw,64px);min-width:0;transition:background .6s var(--ease),color .6s var(--ease)}
.sheet[data-paper="fog"]{--r-bg:#dfe5ea;--r-fg:#2b3742;--r-soft:#5f6d79}
.sheet[data-paper="night"]{--r-bg:#1e252d;--r-fg:#cfd6dc;--r-soft:#8792a0}
.sheet .chap{font-family:var(--f-display);font-size:22px;color:var(--r-soft);text-align:center;font-style:italic}
.sheet h2{font-weight:500;text-align:center;font-size:24px;letter-spacing:.3em;padding-left:.3em;margin:2px 0 30px}
.sheet .text{max-width:34em;margin:0 auto;font-size:var(--fs,18px);line-height:2;text-align:justify}
.sheet .text p{margin:0 0 1.1em;text-indent:2em}
.sheet mark{background:color-mix(in srgb,var(--accent) 26%,transparent);color:inherit;border-radius:2px;padding:0 1px}
.margin{display:grid;gap:12px;position:sticky;top:16px}
.note{border-radius:10px;padding:12px 14px;font-size:13.5px;animation:noteIn .6s var(--ease) both}
.note q{display:block;color:var(--ink-soft);font-size:12.5px;border-left:2px solid var(--accent);padding-left:8px;margin-bottom:6px;quotes:none}
.note textarea{width:100%;min-height:64px;border:0;border-radius:6px;background:transparent;color:var(--ink);font:inherit;font-size:13.5px;padding:2px 0;resize:none;outline:none}
#selpop{position:absolute;z-index:20;display:flex;gap:2px;background:var(--ink);color:var(--paper);border-radius:999px;padding:3px;box-shadow:var(--shadow)}
#selpop[hidden]{display:none}
#selpop button{background:none;border:0;color:inherit;font-size:13px;padding:3px 10px;border-radius:999px}

/* 札记 */
.notes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.ncard{border-radius:12px;padding:18px 20px;display:grid;gap:8px;min-width:0;align-content:start}
.ncard .src{display:flex;justify-content:space-between;gap:8px}
.ncard blockquote{margin:0;color:var(--ink-soft);font-size:14px;border-left:2px solid var(--accent);padding-left:10px}
.ncard p{margin:0}
.notes-top{display:flex;justify-content:flex-end;margin-bottom:16px}
.export{margin-top:16px;border-radius:12px;padding:18px 20px;animation:rise .5s var(--ease) both}
.export pre{font-family:var(--f-label);font-size:12.5px;white-space:pre-wrap;margin:0 0 12px}

/* 记录 */
.log{border-radius:16px;padding:26px 28px;display:grid;gap:22px}
.nums{display:flex;gap:40px;flex-wrap:wrap}
.nums div{display:grid}
.nums b{font-family:var(--f-display);font-weight:400;font-size:44px;line-height:1;font-variant-numeric:tabular-nums}
.nums b small{font-size:18px;margin-left:4px;color:var(--ink-soft)}
.gauge{display:flex;align-items:flex-end;gap:6px;height:120px;border-bottom:1px solid var(--line);padding-bottom:2px}
.gauge i{flex:1;min-width:3px;background:var(--accent);opacity:.8;border-radius:3px 3px 1px 1px;transform-origin:bottom;transition:transform 1s var(--ease)}
.gauge.pre i{transform:scaleY(0)}
.gauge i.zero{height:3px!important;background:var(--line);opacity:1}
.gauge i.now{background:var(--moss);opacity:1}
.gauge-legend{display:flex;justify-content:space-between;margin-top:-14px}

@keyframes noteIn{from{opacity:0;transform:translateX(14px)}}
@keyframes rise{from{opacity:0;transform:translateY(10px)}}
@media (max-width:900px){.reader{grid-template-columns:minmax(0,1fr)}.toc{display:none}.margin{position:static}}
@media (max-width:600px){
  .desk{--cw:min(118px,calc((100vw - 40px) / 3.1))}
  .card{margin:0 calc(var(--cw) * -.25)}
  .title-page .sub,.title-page .zh{display:none}
  .index{display:none}.pager{justify-content:space-between}.lib-grid{gap:10px}.tile b{font-size:13px}
  header nav a{padding:4px 9px;letter-spacing:.06em}
  .nums{gap:24px}.nums b{font-size:34px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ===== 正式版补充 ===== */
[hidden]{display:none!important}
body{min-height:100%}
/* 口令 */
#gate{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:16px}
.gate-in{display:flex;flex-direction:column;align-items:center;gap:22px;width:min(320px,100%)}
.gate-t{font-family:"Pinyon Script","Cormorant Garamond",cursive;font-size:clamp(44px,8vw,72px);line-height:1.1;color:var(--ink);text-shadow:0 0 24px rgba(var(--fog),.95);white-space:nowrap}
#pw{width:100%;text-align:center;font:inherit;font-size:16px;letter-spacing:.3em;color:var(--ink);background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid color-mix(in srgb,var(--paper) 50%,transparent);border-radius:999px;padding:10px 18px;outline:none;transition:border-color .5s var(--ease),box-shadow .5s var(--ease)}
#pw:focus{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 16%,transparent)}
#pw::placeholder{color:var(--ink-soft);letter-spacing:.4em}
.gate-msg{margin:0;min-height:1.4em;font-size:13px;color:var(--ink-soft);letter-spacing:.2em;text-shadow:0 0 14px rgba(var(--fog),.9)}
/* 书卡：没有英文书名时，中文书名做主角 */
.title-page .tt.zh-main{font-family:var(--f-body);font-weight:500;letter-spacing:.32em;padding-left:.32em;line-height:1.5;font-size:calc(var(--cw) * .098)}
.title-page .au.au-zh{font-family:var(--f-body);letter-spacing:.24em;font-size:calc(var(--cw) * .062)}
.title-page .tt,.title-page .zh{overflow-wrap:anywhere;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;overflow:hidden}
.title-page .au{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.empty-card .au{font-family:var(--f-body);font-size:calc(var(--cw) * .1)}
.tile .prog{display:none}
/* 导入 */
.zone.over{border-color:var(--accent);color:var(--ink)}
.imports{display:grid;gap:4px;width:100%;max-width:460px}
.imports:empty{display:none}
.imp{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;animation:rise .5s var(--ease) both}
.imp-n{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.imp-s{flex:0 0 auto}
.cloud{width:100%;max-width:460px;display:grid;gap:10px}
.cloud-path{display:flex;align-items:center;gap:10px;min-width:0}
.cloud-path .label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cloud-path .btn{padding:2px 12px}
.cloud-path .btn:disabled{opacity:.35;cursor:default}
.cloud-list{display:grid;gap:2px;min-height:40px}
.citem{display:flex;align-items:center;gap:8px;border:0;background:transparent;text-align:left;padding:6px 10px;border-radius:8px;font-size:14px;min-width:0;transition:background .4s var(--ease)}
.citem:hover{background:color-mix(in srgb,var(--paper) 60%,transparent)}
.citem .ci{width:12px;color:var(--ink-soft);flex:0 0 auto}
.citem .cn{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.citem.file .ci::before{content:"";display:block;width:6px;height:6px;border:1px solid var(--accent);transform:rotate(45deg)}
.cloud-pager{display:flex;align-items:center;justify-content:center;gap:12px}
/* 阅读 */
.sheet.loading{min-height:60vh;opacity:.6}
.sheet .text img{display:block;max-width:100%;height:auto;margin:1.2em auto;border-radius:3px}
.sheet .text h1,.sheet .text h2,.sheet .text h3,.sheet .text h4{font-weight:500;letter-spacing:.12em;text-align:center;line-height:1.6;margin:1.6em 0 1em;text-indent:0}
.sheet .text h1{font-size:1.3em}.sheet .text h2{font-size:1.2em}.sheet .text h3,.sheet .text h4{font-size:1.08em}
.sheet .text blockquote{margin:1em 0;padding-left:1.2em;border-left:2px solid var(--line);color:var(--r-soft)}
.sheet .text blockquote p,.sheet .text li p,.sheet .text figure p{text-indent:0}
.sheet .text pre{white-space:pre-wrap;font-size:.85em}
.sheet .text table{border-collapse:collapse;margin:1em auto;font-size:.9em}
.sheet .text td,.sheet .text th{border:1px solid var(--line);padding:4px 8px}
.sheet .text hr{border:0;height:1px;background:var(--line);width:30%;margin:2em auto}
.sheet h2[hidden]+.text{margin-top:30px}
.sheet mark{cursor:pointer;transition:background .4s var(--ease)}
.sheet mark.has-note{background:color-mix(in srgb,var(--accent) 34%,transparent);box-shadow:inset 0 -1px 0 var(--accent)}
.sheet mark.hot{background:color-mix(in srgb,var(--accent) 50%,transparent)}
.turn{max-width:34em;margin:56px auto 0;display:flex;justify-content:space-between;gap:16px}
.turn-b{display:grid;gap:2px;border:0;background:transparent;color:var(--r-fg);text-align:left;padding:6px 0;max-width:48%;min-width:0;transition:opacity .4s var(--ease)}
.turn-b.next{text-align:right;margin-left:auto}
.turn-b .label{color:var(--r-soft)}
.turn-b .tn{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.turn-b:hover .tn{color:var(--accent)}
.fin{margin:0 auto;display:grid;justify-items:center;gap:10px}
.fin .orn{width:60px}
.toc a{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.toc-pg{border:0;background:transparent;color:var(--ink-soft);display:grid;place-items:center;height:22px;padding:0;transition:opacity .4s var(--ease)}
.toc-pg:disabled{opacity:.25;cursor:default}
.note{position:relative}
.note .nx{position:absolute;top:6px;right:8px;border:0;background:transparent;color:var(--ink-soft);font-size:14px;line-height:1;padding:2px 4px;opacity:0;transition:opacity .4s var(--ease)}
.note:hover .nx,.note:focus-within .nx{opacity:1}
.note textarea{overflow:hidden}
.note textarea::placeholder{color:var(--ink-soft);opacity:.6}
@media (max-width:900px){
  .toc{display:grid;position:fixed;z-index:25;left:16px;top:72px;width:min(300px,calc(100vw - 32px));padding:14px 16px;border-radius:14px;background:var(--glass);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border:1px solid color-mix(in srgb,var(--paper) 50%,transparent);box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
  .toc.open{opacity:1;pointer-events:auto;transform:none}
}
@media (min-width:901px){#tocBtn{display:none}}
/* 札记 */
.notes-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.notes-grid{margin-top:16px}
.ncard{cursor:pointer;transition:transform .8s var(--ease)}
.ncard:hover{transform:translateY(-3px)}
.ncard blockquote{white-space:pre-wrap;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:7;overflow:hidden}
.ncard p{white-space:pre-wrap}
.ncard .src .label:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
#notesPager{justify-content:center}
.export .row{display:flex;gap:8px;flex-wrap:wrap}
/* 对话框 */
.dlg-veil{position:fixed;inset:0;z-index:40;display:grid;place-items:center;padding:16px;background:rgba(var(--fog),.3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.dlg{width:min(460px,100%);border-radius:16px;padding:22px 24px;display:grid;gap:12px;box-shadow:var(--shadow)}
.dlg label{display:grid;gap:4px}
.dlg input{font:inherit;font-size:15px;color:var(--ink);background:transparent;border:0;border-bottom:1px solid var(--line);padding:4px 0;outline:none;transition:border-color .4s var(--ease)}
.dlg input:focus{border-color:var(--accent)}
.dlg .row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:8px}
.dlg .grow{flex:1}
.btn.danger{color:#a5544e;border-color:color-mix(in srgb,#a5544e 40%,transparent)}
/* 提示 */
#toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:60;background:var(--ink);color:var(--paper);font-size:13.5px;letter-spacing:.08em;border-radius:999px;padding:7px 18px;box-shadow:var(--shadow);animation:rise .5s var(--ease) both;transition:opacity .6s var(--ease)}
#toast.off{opacity:0}

.tile .prog{bottom:calc(var(--cw) * .045)}
@media (max-width:600px){
  .reader-bar{gap:6px}
  .back span{display:none}.back{padding:6px 10px}
  .tools{flex-wrap:nowrap;gap:0;min-width:0}
  .tool{padding:3px 7px;font-size:12.5px;white-space:nowrap}
}