.book-main{padding:34px 0 100px}.book-back{display:inline-flex;align-items:center;gap:9px;margin:22px 0 34px;color:rgba(255,255,255,.58);font-size:11px;letter-spacing:.08em;text-decoration:none;text-transform:uppercase;transition:color .2s ease,transform .3s cubic-bezier(.16,1,.3,1)}.book-back:hover{color:#fff;transform:translateX(-3px)}
.book-hero{display:grid;grid-template-columns:minmax(250px,340px) minmax(0,1fr);gap:clamp(46px,7vw,96px);align-items:center;padding:38px clamp(28px,4vw,56px) 46px;border:1px solid rgba(255,255,255,.12);border-radius:28px;background:linear-gradient(132deg,rgba(255,255,255,.065),rgba(255,255,255,.018)),rgba(5,15,23,.42);box-shadow:0 28px 88px rgba(0,0,0,.22),inset 0 1px 0 rgba(255,255,255,.05);backdrop-filter:blur(26px) saturate(.92);-webkit-backdrop-filter:blur(26px) saturate(.92)}
.book-cover-wrap{min-height:430px;display:grid;place-items:center;position:relative}.book-cover-wrap::after{content:"";position:absolute;left:15%;right:15%;bottom:1%;height:9%;border-radius:50%;background:radial-gradient(ellipse,rgba(0,0,0,.58),transparent 70%);filter:blur(12px)}.book-cover{position:relative;z-index:1;width:min(100%,290px);max-height:430px;object-fit:contain;filter:drop-shadow(0 26px 26px rgba(0,0,0,.38))}.book-identity{min-width:0}.book-category{margin:0 0 14px;color:rgba(255,255,255,.40);font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}.book-identity h1{max-width:760px;margin:0;color:#f2eadf;font:400 clamp(42px,5.6vw,78px)/1.06 Georgia,"STSong","Songti SC",serif;letter-spacing:-.035em;text-wrap:balance}.book-author{margin:18px 0 0;color:rgba(255,255,255,.72);font:400 16px/1.4 Georgia,"Times New Roman",serif}.book-description{max-width:650px;margin:23px 0 0;color:rgba(255,255,255,.55);font-size:13px;line-height:1.75}.book-mode-switch{display:grid;grid-template-columns:minmax(150px,220px) minmax(150px,220px);gap:10px;margin-top:34px}.book-mode-switch button{min-height:50px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:10px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:transform .3s cubic-bezier(.16,1,.3,1),background .2s ease,border-color .2s ease}.book-mode-read{border:1px solid rgba(255,255,255,.72);background:rgba(255,255,255,.92);color:#081119}.book-mode-listen{border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.045);color:#fff}.book-mode-switch button:hover{transform:translateY(-2px)}.book-mode-listen:hover{background:rgba(255,255,255,.09)}.book-format-note{max-width:650px;margin:17px 0 0;color:rgba(255,255,255,.34);font-size:9px;line-height:1.55;letter-spacing:.03em}
.audio-section{padding-top:78px;scroll-margin-top:40px}.audio-section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:22px}.audio-section-head h2{margin:0;color:#fff;font:400 clamp(38px,4.6vw,60px)/1 Georgia,"Times New Roman",serif}.audio-count{padding-bottom:4px;color:rgba(255,255,255,.42);font-size:11px}.episode-list{display:grid;border-top:1px solid rgba(255,255,255,.10)}.episode-row{display:grid;grid-template-columns:52px minmax(0,1fr) auto auto;gap:18px;align-items:center;min-height:74px;padding:11px 10px;border-bottom:1px solid rgba(255,255,255,.075);background:transparent;transition:background .2s ease}.episode-row:hover{background:rgba(255,255,255,.035)}.episode-number{color:rgba(255,255,255,.30);font-size:10px;font-variant-numeric:tabular-nums}.episode-copy{min-width:0}.episode-copy strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:rgba(255,255,255,.87);font-size:13px;font-weight:560}.episode-copy span{display:block;margin-top:5px;color:rgba(255,255,255,.35);font-size:9px}.episode-duration{color:rgba(255,255,255,.40);font-size:10px;font-variant-numeric:tabular-nums}.episode-play{width:38px;height:38px;border:1px solid rgba(255,255,255,.13);border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.035);color:#fff;cursor:pointer}.audio-empty{min-height:260px;padding:48px 24px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:1px solid rgba(255,255,255,.09);border-radius:22px;background:rgba(5,14,22,.30);color:rgba(255,255,255,.58)}.audio-empty-icon{font-size:38px;color:rgba(255,255,255,.28)}.audio-empty strong{margin-top:12px;color:rgba(255,255,255,.78);font:400 23px/1.25 Georgia,"Times New Roman",serif}.audio-empty p{max-width:590px;margin:10px 0 0;font-size:11px;line-height:1.7}.audio-resume{margin-bottom:16px;padding:15px 18px;border:1px solid rgba(255,255,255,.10);border-radius:16px;background:rgba(255,255,255,.035)}
.audio-dock{position:fixed;z-index:8500;left:50%;bottom:18px;width:min(980px,calc(100vw - 32px));transform:translateX(-50%);border:1px solid rgba(255,255,255,.16);border-radius:20px;background:rgba(4,12,18,.88);box-shadow:0 20px 64px rgba(0,0,0,.42);backdrop-filter:blur(28px) saturate(.9);-webkit-backdrop-filter:blur(28px) saturate(.9)}.audio-dock[hidden]{display:none}.audio-dock-inner{min-height:76px;padding:10px 14px;display:grid;grid-template-columns:50px minmax(130px,1fr) 34px 42px 48px 42px 34px minmax(210px,2fr) 55px;gap:10px;align-items:center}.audio-dock-cover{width:46px;height:56px;object-fit:contain}.audio-dock-copy{min-width:0}.audio-dock-copy strong,.audio-dock-copy span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.audio-dock-copy strong{font-size:11px}.audio-dock-copy span{margin-top:4px;color:rgba(255,255,255,.40);font-size:9px}.audio-main-play,.audio-skip,.audio-track,.audio-speed{border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.045);color:#fff;cursor:pointer}.audio-main-play{width:46px;height:46px;border-radius:50%}.audio-skip{width:40px;height:34px;border-radius:999px;font-size:9px}.audio-track{width:32px;height:34px;border-radius:999px;font-size:20px;line-height:1}.audio-speed{height:34px;padding:0 10px;border-radius:999px;font-size:9px}.audio-progress-wrap{display:grid;grid-template-columns:34px minmax(0,1fr) 34px;gap:8px;align-items:center;color:rgba(255,255,255,.44);font-size:8px;font-variant-numeric:tabular-nums}.audio-progress-wrap input{width:100%;accent-color:#fff}
@media(max-width:800px){.book-main{padding-top:12px;padding-bottom:70px}.book-back{margin:14px 0 22px}.book-hero{grid-template-columns:1fr;gap:22px;padding:24px 18px 28px;border-radius:21px}.book-cover-wrap{min-height:0;height:310px}.book-cover{max-height:300px;width:auto;max-width:80%}.book-identity{text-align:left}.book-identity h1{font-size:clamp(36px,11.5vw,54px)}.book-author{font-size:14px}.book-description{font-size:12px}.book-mode-switch{grid-template-columns:1fr 1fr;margin-top:26px}.book-mode-switch button{min-width:0;min-height:47px}.book-format-note{font-size:8.5px}.audio-section{padding-top:56px}.audio-section-head h2{font-size:40px}.episode-row{grid-template-columns:36px minmax(0,1fr) auto;gap:10px;min-height:68px;padding-inline:4px}.episode-duration{display:none}.episode-play{width:36px;height:36px}.audio-empty{min-height:220px;padding:34px 18px}.audio-empty strong{font-size:20px}.audio-dock{bottom:8px;width:calc(100vw - 16px);border-radius:18px}.audio-dock-inner{min-height:72px;padding:8px;grid-template-columns:38px minmax(72px,1fr) 30px 36px 40px 36px 30px}.audio-dock-cover{width:38px;height:50px}.audio-progress-wrap{grid-column:1/-2;grid-row:2;grid-template-columns:30px 1fr 30px;padding:0 4px}.audio-speed{grid-column:-2;grid-row:2}.audio-track{width:30px;height:32px;font-size:17px}.audio-skip{font-size:8px}.audio-main-play{width:40px;height:40px}.whatsapp-float{z-index:4000}}
@media(max-width:430px){.book-cover-wrap{height:270px}.book-cover{max-height:260px}.book-mode-switch{gap:7px}.book-mode-switch button{font-size:9.5px}.audio-dock-copy span{display:none}}