/*
 * Theme: theme-Serenity
 * Author: Serenity
 * Build: 2026-02-08 14:03:56
 * Fingerprint: 2341ef30fad7669f
 * Copyright © 2026 Serenity. All rights reserved.
 * Unauthorized copying or distribution is prohibited.
 */
.post-hero{position:relative;width:100%;min-height:320px;display:flex;align-items:flex-end;margin-top:calc(var(--header-height) + var(--space-6));margin-bottom:var(--space-6);border-radius:var(--radius-xl);overflow:hidden}.post-hero-bg{position:absolute;inset:0;z-index:0}.post-hero-bg img{width:100%;height:100%;object-fit:cover}.post-hero-bg-default{background:linear-gradient(135deg,rgba(var(--color-accent-rgb,245,150,170),0.3) 0%,rgba(var(--color-accent-rgb,245,150,170),0.1) 50%,var(--color-bg-soft) 100%)}[data-theme="light"] .post-hero-bg-default{background:linear-gradient(135deg,rgba(var(--color-accent-rgb,51,166,184),0.2) 0%,rgba(var(--color-accent-rgb,51,166,184),0.08) 50%,var(--color-bg-soft) 100%)}.post-hero-overlay{position:absolute;inset:0;background:linear-gradient( to top,rgba(0,0,0,0.7) 0%,rgba(0,0,0,0.3) 40%,rgba(0,0,0,0.1) 70%,transparent 100% )}.post-hero-content{position:relative;z-index:1;padding:var(--space-5);width:100%}.post-hero-title{font-size:2rem;font-weight:700;font-style:italic;color:var(--color-accent);line-height:1.4;text-shadow:0 2px 8px rgba(0,0,0,0.3);margin:0 0 var(--space-3) 0}.post-hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-4)}.post-hero-meta > *{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:rgba(255,255,255,0.85)}.post-hero-meta svg{opacity:0.8}.post-hero-author{display:inline-flex;align-items:center;gap:8px}.post-hero-avatar{width:24px;height:24px;border-radius:50%;border:2px solid var(--color-accent)}.post-hero-tags{position:absolute;right:var(--space-5);bottom:var(--space-5);z-index:2;display:flex;flex-wrap:wrap;gap:var(--space-3);align-items:center}.post-hero-category-link,.post-hero-tag-link{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--color-accent);transition:all 0.2s ease}.post-hero-category-link:hover,.post-hero-tag-link:hover{color:var(--color-accent-secondary)}.post-hero-category-link svg,.post-hero-tag-link svg{color:var(--color-accent)}@media (max-width:768px){.post-hero{min-height:240px}.post-hero-title{font-size:1.5rem}.post-hero-meta{gap:var(--space-3)}.post-hero-meta > *{font-size:12px}.post-hero-tags{position:static;margin-top:var(--space-3);padding:0 var(--space-5) var(--space-5)}}.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start;padding-bottom:var(--space-8);position:relative}.reading-progress{margin-left:auto;font-size:13px;font-weight:700;font-style:italic;background:linear-gradient(135deg,var(--color-accent),var(--color-accent-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;transition:all 0.3s ease}.post-main{min-width:0}.post{padding-top:var(--space-6) !important;min-width:0;min-height:auto;position:relative;z-index:1;overflow:hidden}.post-title{display:none}.post-content{max-width:100% !important;overflow-x:auto;word-wrap:break-word}.post-content > *{max-width:100%}.post-tags,.post-nav{max-width:100% !important}.post-sidebar{display:flex;flex-direction:column;gap:var(--space-4);z-index:10}.toc-nav{display:flex;flex-direction:column;max-height:250px;overflow-y:auto;overflow-x:hidden;padding-right:8px;scroll-behavior:smooth}.toc-nav::-webkit-scrollbar{width:6px}.toc-nav::-webkit-scrollbar-track{background:var(--color-bg-mute);border-radius:3px}.toc-nav::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}.toc-nav::-webkit-scrollbar-thumb:hover{background:var(--color-accent)}.toc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--space-3)}.toc-list .toc-list{margin-top:var(--space-3);padding-left:var(--space-5);position:relative}.toc-list .toc-list::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:1px;background:var(--color-border)}.toc-list-item{position:relative;padding-left:var(--space-5)}.toc-list-item.toc-h2::before,.toc-list-item.toc-h3::before,.toc-list-item.toc-h4::before{content:'';position:absolute;left:0;top:4px;width:14px;height:14px;background-color:var(--color-accent);mask-size:contain;-webkit-mask-size:contain;mask-repeat:no-repeat;-webkit-mask-repeat:no-repeat;opacity:0.85}.toc-list-item.toc-h2::before{mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M19.35 10.04C18.67 6.59 15.64 4 12 4 9.11 4 6.6 5.64 5.35 8.04 2.34 8.36 0 10.91 0 14c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96z'/%3E%3C/svg%3E");-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M19.35 10.04C18.67 6.59 15.64 4 12 4 9.11 4 6.6 5.64 5.35 8.04 2.34 8.36 0 10.91 0 14c0 3.31 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5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96z'/%3E%3C/svg%3E")}.toc-list-item.toc-h4::before{width:14px;height:12px;opacity:0.55;mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 26'%3E%3Cpath d='M29.35 8.04C28.67 4.59 25.64 2 22 2c-2.89 0-5.4 1.64-6.65 4.04C12.34 6.36 10 8.91 10 12c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96z' opacity='0.3'/%3E%3Cpath d='M25.35 11.04C24.67 7.59 21.64 5 18 5c-2.89 0-5.4 1.64-6.65 4.04C8.34 9.36 6 11.91 6 15c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96z' opacity='0.6'/%3E%3Cpath d='M19.35 14.04C18.67 10.59 15.64 8 12 8 9.11 8 6.6 9.64 5.35 12.04 2.34 12.36 0 14.91 0 18c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96z'/%3E%3C/svg%3E");-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 26'%3E%3Cpath d='M29.35 8.04C28.67 4.59 25.64 2 22 2c-2.89 0-5.4 1.64-6.65 4.04C12.34 6.36 10 8.91 10 12c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96z' opacity='0.3'/%3E%3Cpath d='M25.35 11.04C24.67 7.59 21.64 5 18 5c-2.89 0-5.4 1.64-6.65 4.04C8.34 9.36 6 11.91 6 15c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96z' opacity='0.6'/%3E%3Cpath d='M19.35 14.04C18.67 10.59 15.64 8 12 8 9.11 8 6.6 9.64 5.35 12.04 2.34 12.36 0 14.91 0 18c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96z'/%3E%3C/svg%3E")}.toc-link{font-size:13px;color:var(--color-text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:all var(--duration-fast);line-height:1.5;text-decoration:none}.toc-link:hover{color:var(--color-accent);padding-left:var(--space-1)}.toc-link.is-active-link{color:var(--color-accent);font-weight:500;padding-left:var(--space-1)}.toc-list .toc-list .toc-link{font-size:12px;color:var(--color-text-muted)}.toc-list .toc-list .toc-link.is-active-link{color:var(--color-accent);font-weight:500;padding-left:var(--space-1)}.widget-author{display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-2)}.author-avatar{width:48px;height:48px;border-radius:50%;border:2px solid var(--color-border)}.author-info{display:flex;flex-direction:column;gap:2px}.author-name{font-size:14px;font-weight:600;color:var(--color-text)}.author-bio{font-size:11px;color:var(--color-text-muted);line-height:1.4}.author-stats{display:flex;gap:var(--space-5);padding-top:var(--space-1)}.stat-item{display:flex;flex-direction:column;gap:2px}.stat-value{font-size:14px;font-weight:600;color:var(--color-accent)}.stat-label{font-size:10px;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:0.05em}@media (max-width:1024px){.post-layout{grid-template-columns:1fr}.post-toc{display:none}}@media (max-width:640px){.post{padding-top:var(--space-4) !important}.post-title{font-size:1.5rem !important}}@media (max-width:1024px){.post-sidebar{display:none}}.post-copyright{display:flex;align-items:center;gap:var(--space-5);padding:var(--space-5);margin-top:var(--space-6);background:var(--color-bg-soft);border:1px solid var(--color-border);border-radius:var(--radius-lg);position:relative;overflow:hidden}.copyright-content{flex:1;display:flex;flex-direction:column;gap:var(--space-2)}.copyright-header{display:flex;align-items:center;gap:var(--space-3)}.copyright-badge{display:inline-flex;align-items:center;justify-content:center;padding:4px 12px;background:var(--color-accent);color:#fff;font-size:12px;font-weight:600;border-radius:var(--radius-sm)}.copyright-title{font-size:15px;font-weight:600;color:var(--color-text)}.copyright-meta{display:flex;align-items:center;gap:var(--space-2);flex-wrap:wrap}.copyright-label{font-size:12px;color:var(--color-text-muted);flex-shrink:0}.copyright-link{font-size:13px;color:var(--color-accent);text-decoration:none;transition:all var(--duration-fast)}.copyright-link:hover{text-decoration:underline;text-underline-offset:3px}.copyright-icon{color:var(--color-text-muted)}.copyright-text{font-size:13px;color:var(--color-text-secondary);line-height:1.6}.copyright-license{color:var(--color-accent);text-decoration:underline;text-underline-offset:2px;transition:opacity var(--duration-fast)}.copyright-license:hover{opacity:0.8}.copyright-text strong{color:var(--color-text);font-weight:600}.copyright-logo{flex-shrink:0;width:80px;height:80px;display:flex;align-items:center;justify-content:center;color:var(--color-accent);opacity:0.2}.copyright-logo svg{width:100%;height:100%}@media (max-width:640px){.post-copyright{flex-direction:column;text-align:center}.copyright-header{justify-content:center}.copyright-meta{justify-content:center}.copyright-logo{width:60px;height:60px}}.post-share{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-4);margin-top:var(--space-5);background:var(--color-bg-soft);border:1px solid var(--color-border);border-radius:var(--radius-lg)}.share-label{font-size:13px;color:var(--color-text-secondary);white-space:nowrap}.share-buttons{display:flex;align-items:center;gap:var(--space-3);flex-wrap:wrap}.share-btn{display:flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;background:var(--color-bg);border:1px solid var(--color-border);border-radius:12px;cursor:pointer;transition:all var(--duration-fast)}.share-btn img{width:100%;height:100%;object-fit:cover;border-radius:12px}.share-btn svg{width:24px;height:24px;color:var(--color-text-muted)}.share-btn:hover{transform:translateY(-2px);border-color:var(--color-accent);box-shadow:0 4px 12px rgba(0,0,0,0.1)}.share-btn:hover svg{color:var(--color-accent)}.share-btn:active{transform:translateY(0)}.share-wechat{position:relative;overflow:visible}.share-copy{position:relative}.share-copy-bubble{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translateX(-50%);padding:8px 16px;background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-accent-secondary) 100%);border-radius:var(--radius-md);font-size:13px;font-weight:500;color:white;white-space:nowrap;opacity:0;visibility:hidden;transition:all 0.3s ease;pointer-events:none;box-shadow:0 4px 16px rgba(0,0,0,0.2)}.share-copy-bubble::after{content:'';position:absolute;bottom:-5px;left:50%;transform:translateX(-50%) rotate(45deg);width:10px;height:10px;background:var(--color-accent-secondary)}.share-copy.copied .share-copy-bubble{opacity:1;visibility:visible;transform:translateX(-50%) translateY(-4px)}@media (max-width:640px){.post-share{flex-direction:column;align-items:flex-start;gap:var(--space-3)}.share-btn{width:40px;height:40px;border-radius:10px}.share-btn img{border-radius:10px}.share-btn svg{width:20px;height:20px}.share-wechat-popup{display:none}}.post-reward{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-4);margin-top:var(--space-5);background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-accent-secondary) 100%);border-radius:var(--radius-lg);position:relative;overflow:hidden}.reward-qrcode{flex-shrink:0;width:100px;height:100px;background:white;border-radius:var(--radius-md);padding:6px;box-shadow:0 4px 12px rgba(0,0,0,0.15)}.reward-qrcode img{width:100%;height:100%;display:block;object-fit:cover}.reward-content{flex:1;display:flex;flex-direction:column;gap:var(--space-2);color:white;position:relative}.reward-title{font-size:16px;font-weight:600;color:white;margin:0}.reward-text{font-size:13px;color:rgba(255,255,255,0.9);line-height:1.6;margin:0}.reward-icon{position:absolute;right:0;top:50%;transform:translateY(-50%);width:40px;height:40px;opacity:0.2}.reward-icon svg{width:100%;height:100%}@media (max-width:640px){.post-reward{flex-direction:column;text-align:center}.reward-qrcode{width:120px;height:120px}.reward-icon{position:static;transform:none;margin:0 auto}}.post{max-width:1280px;margin:0 auto;padding:var(--space-10) var(--space-5)}.post-header{margin-bottom:var(--space-8);text-align:center}.post-title{font-size:clamp(2rem,4vw,2.75rem);font-weight:600;color:var(--color-text);line-height:1.3;margin-bottom:var(--space-6);letter-spacing:-0.02em}.post-meta{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:var(--space-4);font-size:14px;color:var(--color-text-muted)}.post-meta > *{display:flex;align-items:center;gap:var(--space-2)}.post-meta svg{width:14px;height:14px}.post-meta a{color:var(--color-text-muted);transition:color var(--duration-fast)}.post-meta a:hover{color:var(--color-accent)}.post-cover{margin-bottom:var(--space-8);border-radius:var(--radius-lg);overflow:hidden}.post-cover img{width:100%;aspect-ratio:16 / 9;object-fit:cover;display:block}.post-outdated-notice{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);margin-bottom:var(--space-5);border-radius:var(--radius-md);font-size:13px;line-height:1.5}.post-outdated-notice .notice-icon{flex-shrink:0;width:18px;height:18px}.post-outdated-notice .notice-text{flex:1}.post-outdated-notice.notice-light{background:rgba(var(--color-accent-rgb,51,166,184),0.08);border:1px solid rgba(var(--color-accent-rgb,51,166,184),0.15);color:var(--color-accent)}.post-outdated-notice.notice-medium{background:rgba(234,179,8,0.08);border:1px solid rgba(234,179,8,0.2);color:#ca8a04}[data-theme="dark"] .post-outdated-notice.notice-medium{color:#facc15}.post-outdated-notice.notice-strong{background:rgba(249,115,22,0.08);border:1px solid rgba(249,115,22,0.2);color:#ea580c}[data-theme="dark"] .post-outdated-notice.notice-strong{color:#fb923c}.post-outdated-notice.notice-critical{background:rgba(239,68,68,0.08);border:1px solid rgba(239,68,68,0.2);color:#dc2626}[data-theme="dark"] .post-outdated-notice.notice-critical{color:#f87171}.post-content{max-width:100%;margin:0 auto;font-size:16px;line-height:1.8;color:var(--color-text-secondary);min-width:0;overflow-x:hidden}.post-content > * + *{margin-top:1.5em}.post-content h2,.post-content h3,.post-content h4,.post-content h5,.post-content h6{display:block;position:relative;z-index:1;overflow:visible}.post-content .post-heading-inline{width:fit-content;position:relative;display:flex;align-items:center;gap:4px}.post-content .post-heading-inline::after{content:"";display:block;width:100%;height:8px;position:absolute;left:0;right:0;bottom:2px;pointer-events:none;background:radial-gradient(ellipse at center,hsl(var(--heading-gradient-color,210 80% 60%) / 0.35) 0%,hsl(var(--heading-gradient-color,210 80% 60%) / 0.15) 40%,transparent 70% );border-radius:4px;z-index:-1}.post-content .post-heading-inline .heading-icon{flex-shrink:0;z-index:20}.post-content .post-heading-inline .heading-text{z-index:20}.post-content h2{font-size:1.75rem;font-weight:600;margin-top:2.5em;margin-bottom:1em;color:var(--color-accent);letter-spacing:-0.01em;--heading-gradient-color:340 80% 65%}.post-content h2 .heading-icon{width:1.6rem;height:1.6rem;color:var(--color-accent)}.post-content h3{font-size:1.5rem;font-weight:600;margin-top:2em;margin-bottom:0.75em;color:var(--color-accent);--heading-gradient-color:200 75% 55%}.post-content h3 .heading-icon{width:1.8rem;height:1.4rem;color:var(--color-accent)}.post-content h4{font-size:1.25rem;font-weight:600;margin-top:1.75em;margin-bottom:0.5em;color:var(--color-text);--heading-gradient-color:210 70% 55%}.post-content h4 .heading-icon{width:2rem;height:1.4rem;color:var(--color-text-secondary)}.post-content h5{font-size:1.1rem;font-weight:600;margin-top:1.5em;margin-bottom:0.5em;color:var(--color-text);--heading-gradient-color:45 85% 55%}.post-content h5 .heading-icon{width:1.3rem;height:1.3rem;color:var(--color-text-secondary)}.post-content h6{font-size:1rem;font-weight:600;margin-top:1.25em;margin-bottom:0.5em;color:var(--color-text-secondary);--heading-gradient-color:140 60% 45%}.post-content h6 .heading-icon{width:1.2rem;height:1.2rem;color:var(--color-text-muted)}.post-content p{margin-bottom:1.25em;line-height:1.8;text-align:justify}.post-content a{color:var(--color-accent);text-decoration:none;border-bottom:1px solid rgba(245,150,170,0.3);transition:all var(--duration-fast);font-weight:500}.post-content a:hover{border-bottom-color:var(--color-accent);opacity:0.8}[data-theme="light"] .post-content a{border-bottom-color:rgba(51,166,184,0.3)}.post-content strong{color:var(--color-text);font-weight:600;background:linear-gradient(to bottom,transparent 50%,rgba(245,150,170,0.15) 50%);padding:0 2px}[data-theme="light"] .post-content strong{background:linear-gradient(to bottom,transparent 50%,rgba(51,166,184,0.1) 50%)}.post-content em{font-style:italic;color:var(--color-text-secondary)}.post-content img{border-radius:var(--radius-md);margin:2em 0;max-width:100%;box-shadow:0 4px 12px rgba(0,0,0,0.1);transition:transform var(--duration-normal),box-shadow var(--duration-normal)}.post-content img:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,0.15)}.post-content blockquote{position:relative;padding:1.5em 1.75em 1.5em 2em;margin:2em 0;background:linear-gradient(135deg,var(--color-bg-soft) 0%,var(--color-bg-mute) 100%);border-radius:var(--radius-lg);font-style:italic;color:var(--color-text-secondary);border:none;box-shadow:0 4px 16px rgba(0,0,0,0.06),inset 0 1px 0 rgba(255,255,255,0.1);overflow:hidden}.post-content blockquote::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--color-accent) 0%,var(--color-accent-secondary,var(--color-accent)) 100%);border-radius:4px 0 0 4px}.post-content blockquote::after{content:'';position:absolute;top:12px;right:16px;width:32px;height:32px;background-color:var(--color-accent);opacity:0.12;mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M6 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blockquote:hover{box-shadow:0 6px 24px rgba(0,0,0,0.08),inset 0 1px 0 rgba(255,255,255,0.9)}.post-content ul,.post-content ol{padding-left:2em;margin:1.25em 0}.post-content ul{list-style-type:disc}.post-content ol{list-style-type:decimal}.post-content li{margin-top:0.5em;line-height:1.8;position:relative;padding-left:0.25em}.post-content ul > li::marker{color:var(--color-accent)}.post-content ol > li::marker{color:var(--color-accent);font-weight:600}.post-content ul ul{list-style-type:circle}.post-content ul ul ul{list-style-type:square}.post-content ol ol{list-style-type:lower-alpha}.post-content ol ol ol{list-style-type:lower-roman}.post-content code{font-family:'Consolas','Monaco','Courier New',monospace;background:var(--color-bg-soft);padding:0.2em 0.4em;border-radius:4px;font-size:0.9em;color:var(--color-accent);border:1px solid var(--color-border)}.post-content pre code{background:transparent;padding:0;border-radius:0;font-size:inherit;color:inherit;border:none}.post-content 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svg{transform:none}.post-nav-empty .post-nav-title{font-size:13px;color:var(--color-text-muted);font-style:italic}@media (max-width:640px){.post{padding:var(--space-8) var(--space-4)}.post-header{text-align:left}.post-meta{justify-content:flex-start}.post-title{font-size:1.75rem}.post-content{font-size:15px}.post-nav{grid-template-columns:1fr}.post-nav-item.next{flex-direction:row;justify-content:flex-start}.post-nav-item.next .post-nav-content{text-align:left}.post-nav-item.next .post-nav-arrow{order:-1}}.go-to-comments{position:fixed;right:30px;bottom:40px;width:48px;height:48px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;background:rgba(var(--color-accent-rgb,245,150,170),0.1);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--color-accent);border-radius:var(--radius-lg);color:var(--color-accent);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(20px);transition:all 0.3s 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