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.tt-nav{position:relative;min-height:var(--tt-nav-h,56px);border-bottom:1px solid light-dark(#e2e8f0,#334155);padding:8px 20px;background:light-dark(#fff,#0f172a)}html[data-header-sticky] .tt-nav{position:sticky;top:0;z-index:40}html[data-header-blur] .tt-nav{background:light-dark(color-mix(in srgb,#ffffff 82%,transparent),color-mix(in srgb,#0f172a 82%,transparent));backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px)}html[data-theme=dark][data-header-blur] .tt-nav{background:color-mix(in srgb,#0f172a 82%,transparent)}@media(prefers-color-scheme:dark){html[data-theme=system][data-header-blur] .tt-nav{background:color-mix(in srgb,#0f172a 82%,transparent)}}.tt-navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.tt-nav-mobile{display:none}.tt-nav-links{display:flex;min-height:40px;align-items:center;justify-content:center;gap:20px}.tt-nav a{display:inline-flex;min-height:40px;align-items:center;color:inherit;text-decoration:none}.tt-nav a:hover{text-decoration:underline}.tt-nav-group{position:relative;display:inline-flex}.tt-nav-parent::after{content:"▾";font-size:10px;margin-inline-start:4px;opacity:.6}.tt-nav-sub{position:absolute;top:100%;inset-inline-start:0;z-index:30;display:none;flex-direction:column;min-width:180px;padding:6px;border:1px solid light-dark(#e2e8f0,#334155);border-radius:var(--tt-radius);background:light-dark(#fff,#0f172a);box-shadow:0 12px 32px #0f172a26}.tt-nav-group:hover>.tt-nav-sub,.tt-nav-group:focus-within>.tt-nav-sub{display:flex}.tt-nav-sub a{min-height:40px;padding:6px 12px;border-radius:8px;white-space:nowrap}.tt-nav-sub a:hover{background:#f1f5f9;text-decoration:none}[data-theme=dark] .tt-nav-sub{background:#0f172a;border-color:#334155}[data-theme=dark] .tt-nav-sub a:hover{background:#1e293b}@media(prefers-color-scheme:dark){[data-theme=system] .tt-nav-sub{background:#0f172a;border-color:#334155}[data-theme=system] .tt-nav-sub a:hover{background:#1e293b}}
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.tt-comments{display:grid;gap:12px}.tt-comment{border:1px solid light-dark(#e2e8f0,#334155);border-radius:var(--tt-radius);padding:16px;background:light-dark(#fff,#0f172a)}.tt-comment-reply{margin-inline-start:clamp(16px,6vw,48px);border-inline-start:3px solid var(--tt-accent)}.tt-comment header{display:flex;justify-content:space-between;gap:12px;color:var(--tt-muted-color, light-dark(#64748b,#94a3b8));font-size:13px}.tt-comment p{white-space:pre-wrap;overflow-wrap:anywhere}.tt-comment-actions{display:flex;justify-content:flex-end}.tt-comment-link,.tt-comment-load-more{min-height:44px;border:0;border-radius:8px;padding:8px 12px;background:transparent;color:var(--tt-accent-fg);font:inherit;font-weight:650;cursor:pointer}.tt-comment-load-more{justify-self:center;border:1px solid light-dark(#cbd5e1,#475569)}.tt-comment-link:hover,.tt-comment-load-more:hover{background:#e2e8f0}.tt-comment-link:focus-visible,.tt-comment-load-more:focus-visible{outline:3px solid color-mix(in srgb,var(--tt-accent) 40%,transparent);outline-offset:2px}.tt-comment-reply-context{display:flex;align-items:center;justify-content:space-between;gap:12px;border-inline-start:3px solid var(--tt-accent);padding-inline-start:12px;color:light-dark(#475569,#94a3b8)}.tt-comment-status{min-height:1.4em;margin:0;color:light-dark(#475569,#94a3b8)}
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@media(max-width:640px){.tt-page{padding-left:min(var(--tt-pad,24px),16px)!important;padding-right:min(var(--tt-pad,24px),16px)!important}.tt-container[style*="row"]:not(.tt-keep-row),.tt-box[style*="row"]:not(.tt-keep-row){flex-wrap:wrap}.tt-container[style*="row"]:not(.tt-keep-row)>*,.tt-box[style*="row"]:not(.tt-keep-row)>*{flex-basis:100%}.tt-cover-content{padding:24px!important}.tt-gallery{grid-template-columns:repeat(2,minmax(0,1fr))!important}.tt-grid-fixed{grid-template-columns:repeat(2,minmax(0,1fr))!important}.tt-collection-mcols{grid-template-columns:repeat(3,minmax(0,1fr))!important}.tt-columns{grid-template-columns:1fr!important}.tt-container[style*="grid-template-columns"]:not([style*="minmax(0"]):not(.tt-keep-cols),.tt-box[style*="grid-template-columns"]:not([style*="minmax(0"]):not(.tt-keep-cols){grid-template-columns:1fr!important}.tt-w-release:not(.tt-keep-width){width:auto!important;max-width:100%!important}.tt-mw-release:not(.tt-keep-width){min-width:0!important}.tt-form,.tt-comment-form{padding:18px}.tt-nav{min-height:52px;padding:4px 8px}.tt-nav-desktop{display:none}.tt-nav-mobile{display:block}.tt-nav-mobile>summary{list-style:none;display:inline-flex;width:40px;height:40px;align-items:center;justify-content:center;border-radius:10px;font-size:22px;line-height:1;cursor:pointer;color:inherit;-webkit-tap-highlight-color:transparent}.tt-nav-mobile>summary::-webkit-details-marker{display:none}.tt-nav-mobile[open]>summary{background:color-mix(in srgb,currentColor 12%,transparent)}.tt-nav-mobile>summary:focus-visible{outline:2px solid var(--tt-accent);outline-offset:2px}.tt-nav details:not([open])>.tt-nav-links{display:none}.tt-nav-mobile>.tt-nav-links{position:absolute;top:calc(100% + 6px);left:8px;right:8px;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:2px;padding:8px;border-radius:12px;background:var(--tt-nav-bg,light-dark(#fff,#0f172a));border:1px solid color-mix(in srgb,currentColor 14%,transparent);box-shadow:0 14px 34px rgba(15,23,42,.18);z-index:41}.tt-nav-mobile a{min-height:44px;justify-content:flex-start;padding:0 14px;border-radius:8px}.tt-nav-mobile>.tt-nav-links a:hover{background:color-mix(in srgb,currentColor 8%,transparent);text-decoration:none}.tt-nav-msub>summary{display:flex;min-height:44px;align-items:center;cursor:pointer;font-weight:650}.tt-nav-sublinks{display:flex;flex-direction:column;padding-inline-start:16px}.tt-nav-msub:not([open])>.tt-nav-sublinks{display:none}.tt-nav-msub>summary::before{content:"▸";display:inline-block;margin-inline-end:8px}.tt-nav-msub[open]>summary::before{content:"▾"}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.tt-powered a{display:inline-flex;min-height:44px;align-items:center;justify-content:center}#tt-nav-bar{position:fixed;top:env(safe-area-inset-top,0);left:0;right:0;height:3px;z-index:2147483647;pointer-events:none}#tt-nav-bar>i{display:block;height:100%;width:0;background:var(--tt-accent);box-shadow:0 0 6px var(--tt-accent);transform-origin:left}#tt-nav-bar.on>i{animation:tt-nav-grow 2.5s cubic-bezier(.1,.4,.2,1) forwards}#tt-nav-bar.done>i{animation:tt-nav-done .3s ease-out forwards}#tt-nav-bar[hidden]{display:none}@keyframes tt-nav-grow{0%{width:0}20%{width:30%}50%{width:55%}80%{width:72%}100%{width:82%}}@keyframes tt-nav-done{0%{width:82%;opacity:1}50%{width:100%;opacity:1}100%{width:100%;opacity:0}}#tt-nav-toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom,0px) + 18px);transform:translateX(-50%);z-index:2147483647;max-width:min(92vw,420px);padding:9px 16px;border-radius:999px;background:var(--tt-accent);color:var(--tt-accent-on);font-size:13px;line-height:1.4;text-align:center;box-shadow:0 6px 24px rgba(15,23,42,.22);animation:tt-nav-toast-in .2s ease-out}#tt-nav-toast[data-kind=error]{background:#b91c1c}#tt-nav-toast[hidden]{display:none}@keyframes tt-nav-toast-in{from{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%,0)}}main.tt-page:focus{outline:none}a.tt-collection-card{transition:opacity .18s ease}a.tt-collection-card:hover{opacity:.88}a.tt-collection-card:focus-visible{outline:2px solid var(--tt-accent);outline-offset:3px}

@keyframes spin{to{transform:rotate(360deg)}}@keyframes ping{75%,100%{transform:scale(2);opacity:0}}@keyframes pulse{50%{opacity:.5}}@keyframes bounce{0%,100%{transform:translateY(-25%);animation-timing-function:cubic-bezier(0.8,0,1,1)}50%{transform:none;animation-timing-function:cubic-bezier(0,0,0.2,1)}}
.tt-attrib{padding:12px 0;text-align:center;font-size:12px;line-height:1.6;color:var(--tt-muted-color, light-dark(#64748b,#94a3b8))}.tt-attrib .tt-attrib-lock{color:inherit;text-decoration:underline}.tt-attrib.tt-attrib{display:inline-block!important;visibility:visible!important;opacity:1!important;transform:none!important;filter:none!important}.tt-attrib .tt-attrib-lock,.tt-attrib.tt-attrib .tt-attrib-lock{display:inline!important;visibility:visible!important;opacity:1!important;transform:none!important;filter:none!important}.tt-attrib-anc{visibility:visible!important;opacity:1!important}

/* 图图应用块·统一图标砖(骨架与兜底卡共用)。有图标=砖面铺背景图(取不到静默回落底色+首字,永不裂图);
   无图标=砖内显应用名首字。几何同时内联在 HTML(site_document S_IC),此处只补配色/阴影/脉冲——
   外链样式表晚到时块仍是对的,只是朴素。旧类 .tt-tutuapp-fb-ic/-fb-ico/-lic/-lico 保留不动:
   base.css 是恒等资源,历史发布产物冻结的 HTML 仍在引用它们。 */
.tt-tutuapp-ic{position:relative;width:48px;height:48px;flex:none;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;background-color:light-dark(#e2e8f0,#334155);color:light-dark(#475569,#cbd5e1);font-size:22px;font-weight:700;line-height:1;box-shadow:0 1px 4px rgba(0,0,0,.14)}.tt-tutuapp-ic-t{display:block}.tt-tutuapp-ic-i{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat}html.tt-js .tt-applet-loading .tt-tutuapp-ic{animation:tt-applet-pulse 1.6s ease-in-out infinite}@media (prefers-reduced-motion:reduce){html.tt-js .tt-applet-loading .tt-tutuapp-ic{animation:none!important}}