/* member-staggered-account-menu-20260830：参考错层菜单动效，保持中国书画石米白、棕金视觉 */
.member-nav-link{min-width:42px}
.member-account{position:relative;z-index:20;display:flex;align-self:stretch;align-items:center}
.member-account-trigger{position:relative;width:46px;height:100%;min-height:46px;padding:6px;border:0;background:transparent;display:flex;align-items:center;justify-content:center;gap:11px;cursor:pointer;color:inherit;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.member-account-trigger-label{display:none;font:600 16px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:.06em}
.member-account.has-unread .member-account-trigger::after{content:"";position:absolute;right:5px;top:10px;width:8px;height:8px;border:2px solid #faf7f2;border-radius:50%;background:#b6332d}
.member-account-trigger:focus-visible{outline:1px solid #8f6750;outline-offset:3px;border-radius:50%}
.member-nav-avatar{width:34px;height:34px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;overflow:hidden;background:#7c5c40;color:#fff;font:600 15px/1 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:0;box-shadow:0 0 0 1px rgba(124,92,64,.22);transition:transform .45s cubic-bezier(.22,.8,.24,1),box-shadow .45s}
.member-nav-avatar img{width:100%;height:100%;display:block;object-fit:cover}
.member-account.menu-open .member-nav-avatar{transform:rotate(7deg) scale(1.06);box-shadow:0 0 0 3px rgba(160,103,54,.16)}

.member-account-backdrop{position:fixed;inset:0;z-index:3998;margin:0;padding:0;border:0;background:rgba(34,27,21,.43);opacity:0;backdrop-filter:blur(0);-webkit-backdrop-filter:blur(0);cursor:default;touch-action:none;transition:opacity .38s ease,backdrop-filter .38s ease;-webkit-transition:opacity .38s ease,-webkit-backdrop-filter .38s ease}
.member-account-backdrop.is-open{opacity:1;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.member-account-backdrop[hidden],.member-account-stagger-layers[hidden],.member-account-menu[hidden]{display:none!important}

.member-account-stagger-layers{--member-panel-width:clamp(340px,34vw,480px);position:fixed;inset:0 0 0 auto;z-index:3999;width:var(--member-panel-width);overflow:hidden;pointer-events:none}
.member-account-stagger-layer{position:absolute;inset:0;display:block;transform:translate3d(106%,0,0);will-change:transform}
.member-account-stagger-layer--back{background:#a97650;transition:transform .43s cubic-bezier(.22,.78,.22,1) .04s}
.member-account-stagger-layer--front{background:#d8bea0;transition:transform .5s cubic-bezier(.22,.8,.22,1) .08s}
.member-account-stagger-layers.is-open .member-account-stagger-layer--back{transform:translate3d(-18px,0,0);transition-duration:.56s;transition-delay:0s}
.member-account-stagger-layers.is-open .member-account-stagger-layer--front{transform:translate3d(-9px,0,0);transition-duration:.62s;transition-delay:.07s}

.member-account-menu{--member-panel-width:clamp(340px,34vw,480px);position:fixed;inset:0 0 0 auto;z-index:4000;box-sizing:border-box;width:var(--member-panel-width);height:100vh;height:100dvh;max-width:100vw;max-height:none;padding:0 clamp(24px,3vw,42px) calc(24px + env(safe-area-inset-bottom));display:flex;flex-direction:column;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;background:linear-gradient(155deg,rgba(255,253,249,.99),rgba(246,238,227,.99));border:0;border-left:1px solid rgba(91,67,47,.13);box-shadow:-24px 0 70px rgba(48,35,25,.18);transform:translate3d(106%,0,0);pointer-events:none;will-change:transform;transition:transform .36s cubic-bezier(.65,.05,.74,.25)}
.member-account-menu.is-open{transform:translate3d(0,0,0);pointer-events:auto;transition-duration:.66s;transition-timing-function:cubic-bezier(.18,.82,.22,1)}
.member-account-menu-head{position:sticky;top:0;z-index:3;min-height:92px;padding:max(15px,env(safe-area-inset-top)) 0 14px;display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid rgba(73,59,47,.14);background:linear-gradient(180deg,#fdfaf5 76%,rgba(253,250,245,.9));opacity:0;transform:translateY(-18px);transition:opacity .35s ease,transform .45s cubic-bezier(.22,.8,.22,1)}
.member-account-menu.is-open .member-account-menu-head{opacity:1;transform:none;transition-delay:.22s}
.member-account-menu-identity{min-width:0;display:flex;align-items:center;gap:12px}.member-account-menu-identity .member-nav-avatar{width:46px;height:46px}.member-account-menu-identity>span{min-width:0}.member-account-menu-identity b,.member-account-menu-identity small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.member-account-menu-identity b{color:#44382f;font:600 17px/1.25 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}.member-account-menu-identity small{margin-top:6px;color:#9a8774;font:9px/1.3 Georgia,"Times New Roman",serif;letter-spacing:.08em}
.member-account-menu .member-account-menu-close{position:relative;width:46px!important;min-width:46px;min-height:46px;padding:0!important;justify-content:center!important;border:1px solid rgba(100,72,49,.18);border-radius:50%;background:rgba(255,255,255,.54);color:#654c39;font:300 30px/1 Arial,sans-serif;transition:transform .3s,background .2s,border-color .2s}
.member-account-menu .member-account-menu-close:hover,.member-account-menu .member-account-menu-close:focus-visible{transform:rotate(90deg);border-color:rgba(153,93,43,.52);background:#fff9ef;outline:none;box-shadow:0 0 0 3px rgba(153,93,43,.13)}

.member-account-menu-intro{padding:34px 0 24px;opacity:0;transform:translateY(28px);transition:opacity .4s ease,transform .62s cubic-bezier(.2,.82,.22,1)}
.member-account-menu.is-open .member-account-menu-intro{opacity:1;transform:none;transition-delay:.27s}
.member-account-menu-intro p{margin:0 0 10px;color:#a14f3e;font:10px/1.4 Georgia,"Times New Roman",serif;letter-spacing:.28em}.member-account-menu-intro h2{margin:0;color:#44372d;font:500 clamp(31px,3vw,42px)/1.15 "Songti SC","STSong","SimSun",serif;letter-spacing:.12em}.member-account-menu-intro span{display:block;margin-top:11px;color:#8b7b6c;font:11px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:.05em}

.member-account-menu-list{counter-reset:memberMenu;display:grid;gap:0;margin:0;padding:0 0 18px}
.member-account-menu-list>a,.member-account-menu-list>button{counter-increment:memberMenu;box-sizing:border-box;width:100%;height:auto!important;min-height:54px;padding:11px 46px 11px 17px!important;border:0;border-bottom:1px solid rgba(76,59,46,.11);border-radius:0;background:transparent;color:#493b31;display:flex!important;align-items:center;justify-content:flex-start;position:relative;overflow:hidden;font:500 clamp(17px,1.55vw,22px)/1.35 "Songti SC","STSong","SimSun",serif;letter-spacing:.09em;text-align:left;text-decoration:none;white-space:normal;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;opacity:0;transform:translate3d(0,42px,0) rotate(1.7deg);transform-origin:0 100%;transition:color .22s,background .22s,opacity .24s ease,transform .32s ease}
.member-account-menu-list>a::before,.member-account-menu-list>button::before{content:"";position:absolute;left:0;top:50%;width:3px;height:0;border-radius:3px;background:#a05b31;transform:translateY(-50%);transition:height .22s}
.member-account-menu-list>a::after,.member-account-menu-list>button::after{content:counter(memberMenu,decimal-leading-zero);position:absolute;right:9px;top:50%;transform:translateY(-50%);color:#ad8060;font:10px/1 Georgia,"Times New Roman",serif;letter-spacing:.08em!important;display:block!important;opacity:.76}
.member-account-menu.is-open .member-account-menu-list>a,.member-account-menu.is-open .member-account-menu-list>button{opacity:1;transform:none;transition-duration:.22s,.22s,.54s,.72s;transition-delay:0s,0s,calc(.31s + var(--member-item-index,0) * .055s),calc(.31s + var(--member-item-index,0) * .055s)}
.member-account-menu-list>a:hover,.member-account-menu-list>a:focus-visible,.member-account-menu-list>button:hover,.member-account-menu-list>button:focus-visible{background:linear-gradient(90deg,rgba(227,208,187,.52),transparent);color:#98552f;outline:none}
.member-account-menu-list>a:hover::before,.member-account-menu-list>a:focus-visible::before,.member-account-menu-list>button:hover::before,.member-account-menu-list>button:focus-visible::before{height:58%}
.member-account-menu .member-beta-link{color:#8f4d39}.member-account-menu .member-beta-link::before{content:"试";top:50%;width:23px;height:23px;margin:0;display:grid;place-items:center;border:1px solid currentColor;border-radius:50%;background:transparent;transform:translateY(-50%);font:10px/1 sans-serif}.member-account-menu .member-beta-link{padding-left:34px!important}
.member-account-menu .member-account-logout{margin-top:13px;border-top:1px solid rgba(120,69,51,.2);border-bottom:0;color:#a14a40}.member-account-menu .member-account-logout:disabled{cursor:wait;opacity:.62}
.member-account-menu-footer{margin:auto 0 0;padding:22px 0 5px;border-top:1px solid rgba(73,59,47,.13);color:#6c5948;opacity:0;transform:translateY(18px);transition:opacity .35s ease,transform .5s ease}.member-account-menu.is-open .member-account-menu-footer{opacity:1;transform:none;transition-delay:.65s}.member-account-menu-footer span,.member-account-menu-footer small{display:block}.member-account-menu-footer span{font:600 13px/1.4 "Songti SC","STSong","SimSun",serif;letter-spacing:.14em}.member-account-menu-footer small{margin-top:6px;color:#a18e7c;font:9px/1.4 Georgia,"Times New Roman",serif;letter-spacing:.16em}

html.site-scroll-locked{overflow:hidden!important;overscroll-behavior:none!important}
body.site-scroll-locked{position:fixed!important;left:0!important;right:0!important;width:100%!important;overflow:hidden!important;overscroll-behavior:none!important}
body.member-account-menu-open .corporate-brand,body.member-account-menu-open .bookshelf-brand{pointer-events:none}

@media(max-width:920px){
  .main-nav .member-account,.bookshelf-nav .member-account{width:100%;height:auto;display:block;align-self:stretch;border-bottom:1px solid var(--line)}
  .main-nav .member-account-trigger,.bookshelf-nav .member-account-trigger{width:100%;height:auto;min-height:64px;padding:12px 8px;justify-content:flex-start}
  .main-nav .member-nav-avatar,.bookshelf-nav .member-nav-avatar{width:40px;height:40px}
  .main-nav .member-account-trigger-label,.bookshelf-nav .member-account-trigger-label{display:block}
  .member-account.has-unread .member-account-trigger::after{left:37px;right:auto;top:11px}
  .member-account-stagger-layers,.member-account-menu{--member-panel-width:100vw;width:100vw;max-width:none}
  .member-account-stagger-layers.is-open .member-account-stagger-layer--back{transform:translate3d(-14px,0,0)}
  .member-account-stagger-layers.is-open .member-account-stagger-layer--front{transform:translate3d(-7px,0,0)}
  .member-account-menu{padding-inline:max(22px,env(safe-area-inset-left),env(safe-area-inset-right))}
  .member-account-menu-head{min-height:82px}
  .member-account-menu-intro{padding-top:27px}
  .member-account-menu-intro h2{font-size:34px}
  .member-account-menu-list>a,.member-account-menu-list>button{min-height:56px;font-size:19px}
}
@media(max-width:430px){
  .member-account-menu{padding-inline:17px}
  .member-account-menu-head{min-height:76px}
  .member-account-menu-identity .member-nav-avatar{width:42px;height:42px}
  .member-account-menu-intro{padding:23px 0 18px}
  .member-account-menu-intro h2{font-size:30px}
  .member-account-menu-list>a,.member-account-menu-list>button{min-height:52px;padding-block:9px!important;font-size:17px}
}
@media(prefers-reduced-motion:reduce){
  .member-account-backdrop,.member-account-stagger-layer,.member-account-menu,.member-account-menu-head,.member-account-menu-intro,.member-account-menu-list>a,.member-account-menu-list>button,.member-account-menu-footer,.member-nav-avatar{transition-duration:.01ms!important;transition-delay:0s!important}
}