:root{
    --paper:#F7F0E3;
    --paper-2:#FCF7EC;
    --ink:#2B2620;
    --ink-soft:#6E6557;
    --green:#1F4A45;
    --green-2:#2C6A60;
    --gold:#C8A96A;
    --walnut:#5A3B26;
    --line:rgba(43,38,32,.12);
    --ui: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
    --serif: "Songti SC", "Noto Serif SC", STSong, "SimSun", serif;
  }
  *{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
  html,body{height:100%;}
  body{
    margin:0;font-family:var(--ui);color:var(--ink);
    background:#161310;
    display:flex;align-items:center;justify-content:center;
    overflow:hidden;
  }
  button{font-family:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
  input{font-family:inherit;}

  .app{
    position:relative;width:100%;max-width:440px;
    /* 旧版 WebView（Android 10 / MIUI 系统内核）不支持 dvh，用 vh 兜底，
       否则高度会塌成 0，整页只剩 body 的深色背景，表现为纯黑屏 */
    height:100vh;
    height:100dvh;
    background:var(--paper);overflow:hidden;
    box-shadow:0 0 70px rgba(0,0,0,.55);
  }

  .view{
    position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;
    opacity:0;pointer-events:none;visibility:hidden;
    transition:opacity .38s ease, transform .38s ease;
    transform:scale(.985);
  }
  .view.active{opacity:1;pointer-events:auto;visibility:visible;transform:none;}

  /* ============ 登录页 ============ */
  .login-view{
    background:
      radial-gradient(120% 80% at 15% 0%, #FFF9EE 0%, rgba(255,249,238,0) 55%),
      radial-gradient(90% 70% at 95% 100%, #E7D7BE 0%, rgba(231,215,190,0) 60%),
      #F2E9DA;
    justify-content:center;
    padding:0 28px calc(env(safe-area-inset-bottom) + 18px);
    overflow:hidden;
  }
  .login-deco{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden;}
  .login-deco .ring{
    position:absolute;border-radius:50%;border:1px solid rgba(31,74,69,.16);
    width:340px;height:340px;right:-140px;top:-120px;
  }
  .login-deco .ring.b{width:230px;height:230px;right:-60px;top:-40px;border-color:rgba(31,74,69,.1);}
  .login-deco .dot{
    position:absolute;width:6px;height:6px;border-radius:50%;background:var(--gold);
    left:32px;top:23%;opacity:.7;
  }
  .login-head{position:relative;margin-bottom:26px;animation:rise .7s .05s both;}
  .stamp{
    width:52px;height:52px;border-radius:8px;background:#9C3B2E;
    display:grid;place-items:center;color:#F7EADA;
    font-family:var(--serif);font-size:19px;letter-spacing:1px;
    transform:rotate(-4deg);
    box-shadow:0 6px 16px rgba(120,40,30,.28), inset 0 0 0 1px rgba(255,255,255,.28);
    margin-bottom:20px;
  }
  .brand-eyebrow{
    font-size:11px;letter-spacing:.42em;color:var(--ink-soft);
    margin:0 0 10px;padding-left:2px;
  }
  .brand-title{
    font-family:var(--serif);font-size:40px;line-height:1.18;margin:0;
    letter-spacing:.06em;font-weight:600;color:#232019;
  }
  .brand-sub{
    margin:12px 0 0;font-size:13px;line-height:1.8;color:#7A7060;
    letter-spacing:.04em;
  }

  .login-card{
    position:relative;background:rgba(255,253,247,.82);
    border:1px solid rgba(255,255,255,.9);
    border-radius:22px;padding:22px 20px 18px;
    box-shadow:0 18px 44px rgba(74,57,36,.14), inset 0 1px 0 #fff;
    backdrop-filter:blur(14px);
    animation:rise .7s .18s both;
  }
  .field{display:block;margin-bottom:16px;}
  .field .f-label{
    display:block;font-size:11px;letter-spacing:.22em;color:#8D8271;margin-bottom:8px;
  }
  .field .f-wrap{
    display:flex;align-items:center;gap:8px;
    border-bottom:1px solid rgba(43,38,32,.16);
    padding:4px 2px 9px;transition:border-color .25s;
  }
  .field .f-wrap:focus-within{border-color:var(--green);}
  .field input{
    flex:1;min-width:0;border:0;background:none;outline:none;
    font-size:15.5px;color:var(--ink);letter-spacing:.03em;
  }
  .field input::placeholder{color:#B3A897;}
  .eye{
    font-size:12px;color:var(--green);padding:4px 2px;letter-spacing:.06em;
    opacity:.85;flex:none;
  }
  .err{
    height:16px;font-size:12px;color:#B24A38;letter-spacing:.02em;
    margin:-4px 0 8px;opacity:0;transition:opacity .2s;
  }
  .err.show{opacity:1;}
  .btn-primary{
    width:100%;height:50px;border-radius:26px;color:#F6F1E5;
    background:linear-gradient(135deg,#25554E,#173B37);
    font-size:15.5px;letter-spacing:.22em;font-weight:500;
    box-shadow:0 12px 24px rgba(23,59,55,.28), inset 0 1px 0 rgba(255,255,255,.16);
    position:relative;overflow:hidden;transition:transform .18s, box-shadow .25s;
  }
  .btn-primary::after{
    content:"";position:absolute;top:0;bottom:0;width:46px;left:-60px;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
    transform:skewX(-18deg);animation:sheen 4.2s 1.2s infinite;
  }
  .btn-primary:active{transform:scale(.985);box-shadow:0 6px 16px rgba(23,59,55,.3);}
  .btn-primary.loading{pointer-events:none;color:transparent;}
  .btn-primary.loading::before{
    content:"";position:absolute;left:50%;top:50%;width:18px;height:18px;
    margin:-9px 0 0 -9px;border-radius:50%;
    border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
    animation:spin .7s linear infinite;
  }
  .login-alt{
    display:flex;align-items:center;justify-content:space-between;
    margin-top:14px;font-size:12.5px;color:#8A7F6E;
  }
  .login-alt button{color:var(--green);letter-spacing:.08em;border-bottom:1px solid rgba(31,74,69,.3);padding-bottom:2px;}
  .login-foot{
    position:absolute;left:0;right:0;bottom:calc(env(safe-area-inset-bottom) + 22px);
    text-align:center;font-size:11px;letter-spacing:.18em;color:#A0947F;
    animation:rise .8s .32s both;
  }
  .login-view.shake .login-card{animation:shake .4s;}
  @keyframes rise{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
  @keyframes sheen{0%,72%{left:-60px;}92%,100%{left:120%;}}
  @keyframes spin{to{transform:rotate(360deg);}}
  @keyframes shake{0%,100%{transform:translateX(0);}20%{transform:translateX(-7px);}40%{transform:translateX(6px);}60%{transform:translateX(-4px);}80%{transform:translateX(3px);}}

  /* ============ 书架列表页 ============ */
  .shelf-view{background:var(--paper);min-height:0;}
  .shelf-top{
    padding:calc(env(safe-area-inset-top) + 22px) 20px 14px;
    background:linear-gradient(180deg,#FBF5E9,#F3EADB);
    border-bottom:1px solid rgba(43,38,32,.06);
    flex:none;
  }
  .shelf-top .row{display:flex;align-items:flex-start;justify-content:space-between;}
  .hello{font-size:12px;letter-spacing:.16em;color:#8E8271;margin-bottom:6px;}
  .shelf-title{
    font-family:var(--serif);font-size:26px;margin:0;letter-spacing:.08em;font-weight:600;
  }
  .count{font-size:11px;color:#9A8E7B;letter-spacing:.12em;margin-top:6px;}
  .avatar{
    min-width:42px;height:42px;padding:0 14px;border-radius:21px;flex:none;
    background:radial-gradient(circle at 30% 25%,#3C7A6E,#1C423D);
    color:#F2E7D3;display:flex;align-items:center;justify-content:center;
    font-family:var(--serif);font-size:14px;letter-spacing:.5px;
    white-space:nowrap;overflow:hidden;
    box-shadow:0 6px 14px rgba(31,74,69,.3), inset 0 0 0 2px rgba(255,255,255,.16);
  }
  .shelf-scroll{
    position:relative;
    flex:1 1 auto;min-height:0;overflow-y:auto;overflow-x:hidden;
    -webkit-overflow-scrolling:auto;
    overscroll-behavior-y:contain;
    padding-bottom:env(safe-area-inset-bottom);
  }

  .continue{
    margin:16px 18px 6px;border-radius:16px;position:relative;overflow:hidden;
    background:linear-gradient(120deg,#23544D 0%,#16332F 62%,#122825 100%);
    color:#F3EBD9;padding:16px 16px;display:flex;gap:14px;align-items:center;
    box-shadow:0 14px 28px rgba(18,40,37,.28);
  }
  .continue::before{
    content:"";position:absolute;right:-40px;top:-60px;width:170px;height:170px;border-radius:50%;
    background:radial-gradient(circle,rgba(200,169,106,.24),transparent 62%);
  }
  .continue .mini-cover{
    width:52px;height:70px;border-radius:4px 7px 7px 4px;overflow:hidden;flex:none;
    background:#0F211F;box-shadow:6px 8px 18px rgba(0,0,0,.4);position:relative;
    transform:perspective(400px) rotateY(-8deg);
  }
  .continue .mini-cover img{width:100%;height:100%;object-fit:cover;display:block;}
  .continue .ct-txt{flex:1;min-width:0;}
  .ct-eyebrow{font-size:10.5px;letter-spacing:.28em;color:rgba(243,235,217,.6);margin-bottom:7px;}
  .ct-title{font-family:var(--serif);font-size:17px;letter-spacing:.05em;margin:0 0 5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .ct-meta{font-size:11px;color:rgba(243,235,217,.62);letter-spacing:.04em;}
  .ct-bar{margin-top:9px;height:3px;border-radius:2px;background:rgba(255,255,255,.16);overflow:hidden;}
  .ct-bar i{display:block;height:100%;border-radius:2px;background:linear-gradient(90deg,#C8A96A,#EBD9AE);}
  .ct-arrow{flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.1);}

  .section-label{
    display:flex;align-items:center;gap:10px;margin:22px 20px 4px;
    font-size:11px;letter-spacing:.26em;color:#8A7E6C;
  }
  .section-label::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,rgba(43,38,32,.16),transparent);}

  .read-mode{
    display:flex;gap:2px;padding:2px;flex:none;
    border:1px solid rgba(43,38,32,.14);border-radius:14px;
    background:rgba(255,255,255,.55);
  }
  .read-mode button{
    border:0;background:transparent;font-family:inherit;
    font-size:10.5px;letter-spacing:.14em;font-weight:400;
    color:#8A7E6C;padding:3px 9px;border-radius:11px;cursor:pointer;
    transition:background .2s,color .2s;
  }
  .read-mode button.on{background:#2B2620;color:#F5EDDC;}

  .bookshelf{
    background:
      radial-gradient(120% 60% at 50% 0%, rgba(255,214,160,.12), transparent 62%),
      repeating-linear-gradient(90deg, rgba(0,0,0,.2) 0 1px, rgba(255,255,255,.025) 1px 3px, rgba(0,0,0,.10) 3px 5px),
      linear-gradient(180deg,#3E2A19,#2B1B11 58%,#21140C);
    padding:12px 0 10px;
    box-shadow:inset 0 14px 28px rgba(0,0,0,.5), inset 0 -8px 20px rgba(0,0,0,.35);
    position:relative;
  }
  .shelf-row{position:relative;padding:0 14px;margin-bottom:10px;}
  .books{display:flex;align-items:flex-end;gap:10px;padding:0 2px;}
  .book{
    flex:1 1 0;min-width:0;position:relative;text-align:left;
    transition:transform .3s cubic-bezier(.2,.8,.3,1.2);
  }
  .books .book:nth-child(3n){flex-grow:1.08;}
  .books .book:nth-child(4n+2){flex-grow:.94;}
  .book:active{transform:translateY(-6px);}
  .cover{
    position:relative;height:var(--bh,144px);border-radius:2px 6px 6px 2px;
    overflow:hidden;background:#20302C;
    box-shadow:9px 12px 10px rgba(0,0,0,.52),
      inset 0 0 0 1px rgba(255,255,255,.12), inset 0 0 18px rgba(0,0,0,.35);
  }
  .cover-bg{position:absolute;top:0;right:0;bottom:0;left:0;}
  .cover img{
    position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;display:block;
    opacity:0;transition:opacity .6s ease;
  }
  .cover img.loaded{opacity:1;}
  .cover::after{
    content:"";position:absolute;top:0;right:0;bottom:0;left:0;
    background:linear-gradient(180deg,rgba(0,0,0,.05) 0%,rgba(0,0,0,0) 36%,rgba(0,0,0,.66) 100%);
    pointer-events:none;
  }
  .spine{
    position:absolute;left:0;top:0;bottom:0;width:11px;z-index:2;
    background:linear-gradient(90deg,rgba(0,0,0,.72) 0%,rgba(255,255,255,.26) 46%,rgba(0,0,0,.42) 100%);
    box-shadow:inset -1px 0 0 rgba(0,0,0,.45), 2px 0 6px rgba(0,0,0,.28);
    border-right:1px solid rgba(255,255,255,.08);
  }
  .cover-type{
    position:absolute;left:13px;right:7px;bottom:10px;z-index:3;color:#F5EFE1;text-align:left;
  }
  .cover-type h4{
    font-family:var(--serif);font-size:13.5px;margin:0 0 4px;letter-spacing:.03em;
    line-height:1.28;text-shadow:0 2px 8px rgba(0,0,0,.7);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .cover-type span{display:block;font-size:9px;letter-spacing:.08em;color:rgba(245,239,225,.72);}
  .mini-progress{
    position:absolute;left:9px;right:0;bottom:0;height:3px;background:rgba(0,0,0,.35);z-index:3;
  }
  .mini-progress i{display:block;height:100%;background:var(--gold);}
  .book-lock{
    position:absolute;top:8px;right:8px;z-index:4;
    display:flex;align-items:center;gap:3px;
    background:rgba(20,18,14,.78);color:#EBD9AE;
    font-size:10px;letter-spacing:.08em;padding:3px 7px;border-radius:9px;
    border:1px solid rgba(235,217,174,.35);
  }
  .book.locked .cover-bg,.book.locked .cover img{filter:grayscale(.45) brightness(.82);}
  .chap-lock{
    margin:36px 0 12px;background:#f6e8d0;border:1px dashed #c9a96a;border-radius:10px;
    padding:20px 22px;color:#a06a1a;
  }
  .chap-lock-body{
    display:flex;gap:14px;align-items:center;
  }
  .chap-lock-body svg{flex-shrink:0;color:#a06a1a;}
  .chap-lock-body strong{display:block;font-size:15px;margin-bottom:4px;color:#8a5a18;}
  .chap-lock-body span{display:block;font-size:12.5px;color:#b68744;}
  .plank{
    height:15px;margin-top:0;border-radius:2px;
    background:
      repeating-linear-gradient(90deg, rgba(0,0,0,.16) 0 2px, transparent 2px 7px),
      linear-gradient(180deg,#A5744A 0%,#7A5030 38%,#4A2C17 100%);
    box-shadow:0 10px 18px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,236,205,.42);
    position:relative;
  }
  .plank::before{
    content:"";position:absolute;left:0;right:0;top:100%;height:10px;
    background:linear-gradient(180deg,rgba(0,0,0,.55),transparent);
  }
  .plank::after{
    content:"";position:absolute;left:0;right:0;top:4px;height:2px;
    background:linear-gradient(90deg,transparent,rgba(255,226,180,.35),transparent);
  }
  .add-slot{
    flex:1 1 0;height:var(--bh,144px);align-self:flex-end;border-radius:3px 7px 7px 3px;
    border:1px dashed rgba(240,225,200,.28);display:grid;place-items:center;
    color:rgba(240,225,200,.5);font-size:22px;font-family:var(--serif);
  }
  .shelf-end{
    text-align:center;font-size:11px;letter-spacing:.34em;color:rgba(240,225,200,.34);
    padding:26px 0 34px;
  }

  /* 下拉刷新提示 */
  .pull-tip{
    position:absolute;top:0;left:0;right:0;z-index:5;
    text-align:center;font-size:12px;letter-spacing:.16em;color:#C9A96A;
    padding:8px 0;opacity:0;pointer-events:none;
    transition:opacity .2s;
  }
  .pull-tip.show{opacity:1;}

  /* ============ 阅读详情页 ============ */
  .reader-view{background:#1B1814;color:#2B2620;}
  .reader-top{
    padding:calc(env(safe-area-inset-top) + 10px) 12px 10px 6px;
    display:flex;align-items:center;gap:6px;
    background:linear-gradient(180deg,#1E1A15,#191613);
    color:#E9DFCB;position:relative;z-index:6;
    box-shadow:0 1px 0 rgba(255,255,255,.05);
  }
  .icon-btn{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;flex:none;color:#CFC3AC;}
  .icon-btn:active{background:rgba(255,255,255,.08);}
  .reader-meta{flex:1;min-width:0;text-align:center;}
  .reader-meta h3{
    font-family:var(--serif);font-size:15px;margin:0;letter-spacing:.08em;font-weight:500;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .reader-meta p{
    margin:3px 0 0;font-size:10.5px;letter-spacing:.14em;color:rgba(233,223,203,.5);
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .toc-btn{
    height:30px;padding:0 11px;border-radius:15px;flex:none;
    border:1px solid rgba(233,223,203,.22);font-size:11px;letter-spacing:.14em;color:#D6C9B1;
    display:flex;align-items:center;gap:5px;
  }

  .stage{
    position:relative;flex:1;overflow:hidden;
    perspective:1500px;touch-action:none;
    background:#EFE6D6;
    user-select:none;-webkit-user-select:none;
  }
  .layer{
    position:absolute;top:0;right:0;bottom:0;left:0;background:var(--paper-2);
    padding:30px 30px 48px;overflow:hidden;
  }
  .layer.base{z-index:1;}
  .layer.base::after{
    content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;
    background:linear-gradient(90deg,rgba(90,70,45,.14),transparent 9%,transparent 91%,rgba(90,70,45,.09));
  }
  .sheet{
    position:absolute;top:0;right:0;bottom:0;left:0;z-index:4;background:var(--paper-2);
    transform-origin:left center;backface-visibility:hidden;-webkit-backface-visibility:hidden;
    will-change:transform;
    box-shadow:-3px 0 22px rgba(0,0,0,.22);
    padding:0;overflow:hidden;
  }
  .stage.turning .sheet{box-shadow:-16px 0 36px rgba(20,12,4,.42);}
  .sheet-inner{
    position:absolute;top:0;right:0;bottom:0;left:0;padding:30px 30px 48px;z-index:1;overflow:hidden;
  }
  .page-foot{
    position:absolute;left:30px;right:30px;bottom:16px;
    display:flex;justify-content:space-between;align-items:center;
    font-size:9.5px;letter-spacing:.2em;color:#AD9F8A;
    border-top:1px solid rgba(43,38,32,.08);padding-top:7px;
    z-index:5;
  }
  .page-foot .pf-title{
    font-family:var(--serif);letter-spacing:.12em;
    max-width:65%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
  }
  .sheet::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:26px;z-index:2;
    background:linear-gradient(90deg,rgba(120,95,62,.16),transparent);
    pointer-events:none;
  }
  .turn-shadow{
    position:absolute;top:0;right:0;bottom:0;left:0;z-index:3;pointer-events:none;opacity:0;
    background:linear-gradient(95deg,rgba(20,14,6,.42) 0%,rgba(20,14,6,.12) 34%,transparent 62%);
    transition:opacity .2s;
  }
  .page-paper{
    position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;
    background:
      radial-gradient(120% 90% at 50% 0%, rgba(255,255,255,.55), transparent 55%),
      repeating-linear-gradient(0deg, rgba(150,125,90,.028) 0 1px, transparent 1px 4px);
  }

  .ch-head{margin:6px 0 20px;}
  .ch-eyebrow{
    display:block;font-size:9.5px;letter-spacing:.34em;color:#A0917C;margin-bottom:10px;
  }
  .ch-head h3{
    font-family:var(--serif);font-size:24px;letter-spacing:.1em;margin:0 0 14px;
    font-weight:600;color:#242019;line-height:1.4;
  }
  .ch-rule{height:1px;background:linear-gradient(90deg,rgba(43,38,32,.28),rgba(43,38,32,0));width:74%;}
  .layer p, .sheet-inner p{
    font-family:var(--serif);
    font-size:16.5px;line-height:1.98;letter-spacing:.015em;
    margin:0;text-align:justify;text-indent:0;color:#484036;
  }
  .layer p.p-first, .sheet-inner p.p-first{text-indent:2em;}
  .layer p.p-last, .sheet-inner p.p-last{margin-bottom:13px;}
  .layer p.p-img, .sheet-inner p.p-img{text-indent:0;text-align:center;margin:10px 0;}
  .layer p.p-img img, .sheet-inner p.p-img img{max-width:100%;height:auto;border-radius:4px;}

  .reader-bottom{
    padding:8px 20px calc(env(safe-area-inset-bottom) + 10px);
    background:#191613;color:#B7AB95;position:relative;z-index:6;
    box-shadow:0 -1px 0 rgba(255,255,255,.05);
  }
  .pb-line{height:2px;border-radius:2px;background:rgba(255,255,255,.12);overflow:hidden;margin-bottom:8px;}
  .pb-line i{display:block;height:100%;background:linear-gradient(90deg,#6E9A8E,#C8A96A);width:0;transition:width .35s;}
  .pb-row{display:flex;justify-content:space-between;font-size:10.5px;letter-spacing:.14em;}

  /* 目录 */
  .sheet-mask{
    position:absolute;top:0;right:0;bottom:0;left:0;background:rgba(12,9,6,.5);z-index:20;
    opacity:0;pointer-events:none;transition:opacity .3s;backdrop-filter:blur(2px);
  }
  .sheet-mask.show{opacity:1;pointer-events:auto;}
  .toc{
    position:absolute;left:0;right:0;bottom:0;z-index:21;max-height:72%;
    background:#211C16;color:#E9DFCB;border-radius:18px 18px 0 0;
    transform:translateY(102%);transition:transform .36s cubic-bezier(.3,.8,.3,1);
    display:flex;flex-direction:column;
    box-shadow:0 -12px 40px rgba(0,0,0,.5);
  }
  .toc.open{transform:translateY(0);}
  .toc-grip{width:38px;height:4px;border-radius:3px;background:rgba(233,223,203,.3);margin:10px auto 0;}
  .toc-head{padding:14px 22px 12px;display:flex;justify-content:space-between;align-items:flex-end;}
  .toc-head h4{font-family:var(--serif);font-size:18px;margin:0;letter-spacing:.08em;font-weight:500;}
  .toc-head span{font-size:10.5px;letter-spacing:.16em;color:rgba(233,223,203,.45);}
  .toc-list{overflow-y:auto;padding:0 14px calc(env(safe-area-inset-bottom) + 18px);}
  .toc-item{
    display:flex;align-items:center;gap:12px;width:100%;
    padding:14px 10px;border-radius:10px;text-align:left;
    border-bottom:1px solid rgba(233,223,203,.07);
  }
  .toc-item.cur{background:rgba(200,169,106,.12);}
  .toc-idx{font-family:var(--serif);font-size:12px;color:rgba(200,169,106,.8);width:22px;flex:none;}
  .toc-item .t-t{flex:1;font-family:var(--serif);font-size:15px;letter-spacing:.06em;}
  .toc-item.cur .t-t{color:#EBD9AE;}
  .toc-item .t-p{font-size:10px;color:rgba(233,223,203,.4);letter-spacing:.1em;}

  /* toast */
  .toast{
    position:absolute;left:50%;bottom:12%;transform:translate(-50%,12px);
    background:rgba(20,16,11,.9);color:#F0E6D2;font-size:12.5px;letter-spacing:.08em;
    padding:10px 18px;border-radius:20px;z-index:40;opacity:0;pointer-events:none;
    transition:opacity .25s, transform .25s;white-space:nowrap;
    border:1px solid rgba(255,255,255,.1);
  }
  .toast.show{opacity:1;transform:translate(-50%,0);}

  /* 账号操作面板（切换账号） */
  .acct-sheet{
    position:absolute;left:0;right:0;bottom:0;z-index:22;
    background:#FBF7EE;border-radius:18px 18px 0 0;
    padding:12px 18px calc(env(safe-area-inset-bottom) + 16px);
    display:flex;flex-direction:column;gap:10px;
    transform:translateY(102%);transition:transform .34s cubic-bezier(.3,.8,.3,1);
    box-shadow:0 -12px 40px rgba(20,12,4,.22);
  }
  .acct-sheet.open{transform:translateY(0);}
  .acct-grip{width:38px;height:4px;border-radius:3px;background:rgba(35,28,20,.18);margin:0 auto 8px;}
  .acct-info{display:flex;align-items:center;gap:12px;padding:2px 2px 12px;}
  .acct-avatar{
    width:44px;height:44px;border-radius:50%;flex:none;
    background:radial-gradient(circle at 30% 25%,#3C7A6E,#1C423D);
    color:#F2E7D3;display:grid;place-items:center;
    font-family:var(--serif);font-size:17px;letter-spacing:1px;
  }
  .acct-label{font-size:11px;letter-spacing:.14em;color:#9A9488;}
  .acct-name{font-family:var(--serif);font-size:17px;color:#2A2D2E;margin-top:3px;}
  .acct-btn{
    width:100%;padding:14px;border:none;border-radius:12px;cursor:pointer;
    font-size:15px;font-family:inherit;background:#C9A96A;color:#2A2D2E;font-weight:600;
  }
  .acct-btn.ghost{background:transparent;color:#6A6A62;font-weight:400;}

  @media (max-height:700px){
    .brand-title{font-size:34px;}
    .login-head{margin-bottom:18px;}
    .cover{height:calc(var(--bh,144px) - 14px);}
  }