/*
 * Theme: theme-Serenity
 * Author: Serenity
 * Build: 2026-02-05 23:02:54
 * Fingerprint: a47d25c65288206d
 * Copyright © 2026 Serenity. All rights reserved.
 * Unauthorized copying or distribution is prohibited.
 */
:root{--color-bg:#111111;--color-bg-soft:#1a1a1a;--color-bg-mute:#222222;--color-text:#f5f5f5;--color-text-secondary:rgba(255,255,255,0.6);--color-text-muted:rgba(255,255,255,0.4);--color-accent:#F596AA;--color-accent-secondary:#FB966E;--color-border:rgba(255,255,255,0.08);--color-border-hover:rgba(255,255,255,0.15);--max-width:1200px;--header-height:64px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-8:48px;--space-10:64px;--space-12:80px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;--font-mono:"JetBrains Mono","Fira Code",Consolas,monospace;--ease-out:cubic-bezier(0.16,1,0.3,1);--duration-fast:150ms;--duration-normal:300ms;--link-submit-widget-base-font-size:14px;--link-submit-widget-base-font-family:var(--font-sans);--link-submit-widget-base-rounded:var(--radius-lg);--link-submit-widget-base-bg-color:var(--color-bg-soft);--link-submit-widget-modal-layer-color:rgba(0,0,0,0.6);--link-submit-widget-form-bg-color:var(--color-bg);--link-submit-widget-form-border-color:var(--color-border);--link-submit-widget-form-text-color:var(--color-text);--link-submit-widget-form-label-color:var(--color-text-secondary);--link-submit-widget-form-placeholder-color:var(--color-text-muted);--link-submit-widget-form-button-bg-color:var(--color-accent);--link-submit-widget-form-button-text-color:#ffffff;--link-submit-widget-form-button-hover-bg-color:var(--color-accent-secondary)}.page-transition{position:fixed;inset:0;z-index:99999;background:var(--color-bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-4);opacity:0;visibility:hidden;transition:opacity 0.4s ease,visibility 0.4s ease}.page-transition.active{opacity:1;visibility:visible}.page-transition-spinner{display:flex;align-items:center;gap:8px}.page-transition-spinner::before,.page-transition-spinner::after,.page-transition-spinner span{content:'';width:12px;height:12px;border-radius:50%;background:var(--color-accent);animation:bounce 1.4s ease-in-out infinite}.page-transition-spinner::before{animation-delay:0s}.page-transition-spinner span{animation-delay:0.2s}.page-transition-spinner::after{animation-delay:0.4s}@keyframes bounce{0%,80%,100%{transform:scale(0.6);opacity:0.4}40%{transform:scale(1);opacity:1}}.page-transition-text{font-size:13px;color:var(--color-text-muted);letter-spacing:2px;animation:fadeInOut 2s ease-in-out infinite}@keyframes fadeInOut{0%,100%{opacity:0.4}50%{opacity:1}}[data-theme="light"]{--color-bg:#ffffff;--color-bg-soft:#f8f8f8;--color-bg-mute:#f0f0f0;--color-text:#1a1a1a;--color-text-secondary:rgba(0,0,0,0.6);--color-text-muted:rgba(0,0,0,0.4);--color-accent:#33A6B8;--color-accent-secondary:#A8D8B9;--color-border:rgba(0,0,0,0.08);--color-border-hover:rgba(0,0,0,0.15);--link-submit-widget-modal-layer-color:rgba(0,0,0,0.4);--link-submit-widget-form-button-text-color:#ffffff}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent;overflow-y:scroll;scrollbar-width:none;-ms-overflow-style:none}html::-webkit-scrollbar{display:none}body{font-family:var(--font-sans);font-size:15px;line-height:1.6;color:var(--color-text);background-color:var(--color-bg);min-height:100vh;-webkit-font-smoothing:antialiased;display:flex;flex-direction:column}.main{flex:1;overflow:clip;animation:pageEnter 0.4s ease-out}@keyframes pageEnter{from{opacity:0}to{opacity:1}}body.page-leaving .main{animation:pageLeave 0.2s ease-in forwards}@keyframes pageLeave{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-10px)}}::selection{background-color:var(--color-accent);color:#fff}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}ul,ol{list-style:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--space-5)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.theme-transitioning,.theme-transitioning *,.theme-transitioning *::before,.theme-transitioning *::after{transition:background-color 0.5s ease,border-color 0.5s ease,color 0.5s ease,fill 0.5s ease,stroke 0.5s ease,box-shadow 0.5s ease !important}::view-transition-old(root),::view-transition-new(root){animation-duration:2500ms;animation-timing-function:cubic-bezier(0.22,1,0.36,1)}::view-transition-old(root){animation:none}::view-transition-new(root){animation-name:curve-sweep-up}[data-theme='dark']::view-transition-new(root){animation-name:curve-sweep-down}[data-theme='dark']::view-transition-old(root){animation:none}::view-transition{pointer-events:auto}@keyframes curve-sweep-up{0%{clip-path:ellipse(0% 0% at 0% 100%)}100%{clip-path:ellipse(200% 200% at 0% 100%)}}@keyframes curve-sweep-down{0%{clip-path:ellipse(0% 0% at 100% 0%)}100%{clip-path:ellipse(200% 200% at 100% 0%)}}.theme-decor{position:absolute;right:100px;top:70px;bottom:60px;z-index:10;pointer-events:none}.theme-decor img{height:calc(100vh - 140px);width:auto;opacity:0;transition:opacity 0.8s ease}.theme-decor-dark{display:block}.theme-decor-light{display:none}[data-theme="dark"] .theme-decor-dark{opacity:1}[data-theme="light"] .theme-decor-dark{display:none}[data-theme="light"] .theme-decor-light{display:block;opacity:1}.back-to-top{position:fixed;right:30px;bottom:100px;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 ease;z-index:1000}[data-theme="light"] .back-to-top{background:rgba(var(--color-accent-rgb,51,166,184),0.08)}.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{background:rgba(var(--color-accent-rgb,245,150,170),0.2);border-color:var(--color-accent-secondary);color:var(--color-accent-secondary);transform:translateY(-4px);box-shadow:0 8px 20px rgba(var(--color-accent-rgb,245,150,170),0.25)}[data-theme="light"] .back-to-top:hover{background:rgba(var(--color-accent-rgb,51,166,184),0.15);box-shadow:0 8px 20px rgba(var(--color-accent-rgb,51,166,184),0.2)}.back-to-top-icon{width:18px;height:18px;transition:transform 0.3s ease}.back-to-top:hover .back-to-top-icon{transform:translateY(-2px)}.back-to-top-text{font-size:9px;font-weight:700;letter-spacing:1px}.back-to-top-arrow{font-size:14px;line-height:1;margin-bottom:1px}.footer{padding:var(--space-4) 0 var(--space-3);background:linear-gradient(to bottom,var(--color-bg),var(--color-bg-soft));border-top:1px solid var(--color-border);position:relative}.footer::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:40%;max-width:400px;height:1px;background:linear-gradient(90deg,transparent,var(--color-accent),transparent);opacity:0.5}.footer-inner{max-width:var(--max-width);margin:0 auto;padding:0 var(--space-5)}.footer-content{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:var(--space-4);flex-wrap:wrap}.footer-left{display:flex;align-items:center;gap:var(--space-4);flex-wrap:wrap}.footer-copyright{display:flex;align-items:center;gap:var(--space-2);font-size:13px;color:var(--color-text-muted);white-space:nowrap}.footer-copyright-icon{font-size:20px;color:var(--color-accent)}.footer-beian{display:flex;align-items:center;gap:var(--space-2)}.footer-beian-separator{color:var(--color-text-muted);opacity:0.5}.footer-beian-link{display:inline-flex;align-items:center;gap:var(--space-1-5);font-size:12px;color:var(--color-text-secondary);transition:all var(--duration-fast);padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);white-space:nowrap}.footer-beian-link:hover{color:var(--color-accent);background:rgba(var(--color-accent-rgb,245,150,170),0.1)}.footer-beian-icon{width:18px;height:18px;object-fit:contain;margin-right:4px;transition:all var(--duration-fast)}.footer-beian-link:hover .footer-beian-icon{transform:scale(1.1)}.footer-right{display:flex;align-items:center;gap:var(--space-4);flex-wrap:wrap}.footer-about-text{font-size:13px;color:var(--color-text-muted);line-height:1.6;margin:0;white-space:nowrap}.footer-links{display:flex;align-items:center;gap:var(--space-3);font-size:13px}.footer-link{display:inline-flex;align-items:center;gap:var(--space-1-5);color:var(--color-text-secondary);transition:all var(--duration-fast);padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);white-space:nowrap}.footer-link:hover{color:var(--color-accent);background:rgba(var(--color-accent-rgb,245,150,170),0.1)}.footer-link svg{flex-shrink:0}.footer-link strong{font-weight:600;color:var(--color-accent)}.footer-provider{cursor:default}a.footer-provider{cursor:pointer}.footer-provider-logo{height:1.2em;width:auto;vertical-align:middle;margin:0 2px}@media (max-width:1200px){.footer-content{flex-direction:column;align-items:center;text-align:center}.footer-left,.footer-right{justify-content:center}}.header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-height);background:transparent;transition:background var(--duration-normal) var(--ease-out),box-shadow var(--duration-normal) var(--ease-out),transform 0.3s cubic-bezier(0.4,0,0.2,1);will-change:background,box-shadow,transform}.header.header-hidden{transform:translateY(-100%)}.header.scrolled{background:rgba(17,17,17,0.8);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 1px 0 0 var(--color-border)}[data-theme="light"] .header.scrolled{background:rgba(255,255,255,0.8)}.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 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svg{width:18px;height:18px;flex-shrink:0}.nav-left,.nav-right{display:flex;align-items:center;gap:var(--space-2)}.nav-btn{position:relative;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--duration-fast)}.nav-btn svg{width:20px;height:20px;color:var(--color-accent);transition:color var(--duration-fast)}.nav-btn:hover{background:rgba(255,255,255,0.08);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}[data-theme="light"] .nav-btn:hover{background:rgba(255,255,255,0.08);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.nav-btn:hover svg{color:var(--color-accent-secondary)}.nav-btn.active svg{color:var(--color-accent-secondary)}.nav-btn-text{width:auto;padding:0 var(--space-3);font-size:15px;font-weight:600;color:var(--color-accent);letter-spacing:0.5px;font-family:var(--font-sans);writing-mode:horizontal-tb;text-orientation:mixed;gap:6px}.nav-btn-text svg{flex-shrink:0}.nav-btn-text:hover{color:var(--color-accent-secondary);background:rgba(255,255,255,0.08);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}[data-theme="light"] .nav-btn-text:hover{background:rgba(255,255,255,0.08);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.nav-btn-text.active{color:var(--color-accent-secondary);font-weight:700}.nav-dropdown{position:relative}.nav-dropdown-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);min-width:120px;padding:var(--space-2);background:rgba(255,255,255,0.05);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,0.1);border-radius:var(--radius-lg);box-shadow:0 8px 24px rgba(0,0,0,0.15);opacity:0;visibility:hidden;transition:opacity 0.2s 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svg{width:16px;height:16px}.header-actions{display:flex;align-items:center;gap:var(--space-2)}.header-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--color-accent);border-radius:var(--radius-md);cursor:pointer;transition:all var(--duration-fast)}.header-btn svg{width:20px;height:20px;color:var(--color-accent);transition:color var(--duration-fast)}.header-btn:hover{background:rgba(255,255,255,0.08);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-color:var(--color-accent-secondary)}[data-theme="light"] .header-btn:hover{background:rgba(255,255,255,0.3);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.header-btn:hover svg{color:var(--color-accent-secondary)}.theme-toggle .icon-sun{display:block}.theme-toggle .icon-moon{display:none}[data-theme="light"] .theme-toggle .icon-sun{display:none}[data-theme="light"] .theme-toggle .icon-moon{display:block}.search-box{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-4);background:rgba(255,255,255,0.05);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--color-accent);border-radius:var(--radius-full);cursor:pointer;transition:all var(--duration-fast);min-width:180px}[data-theme="light"] .search-box{background:transparent;border-color:var(--color-accent)}.search-box:hover{background:rgba(255,255,255,0.08);border-color:var(--color-accent-secondary)}[data-theme="light"] .search-box:hover{background:rgba(255,255,255,0.08);border-color:var(--color-accent-secondary)}.search-box-text{flex:1;font-size:13px;color:var(--color-accent)}.search-box-icon{width:16px;height:16px;color:var(--color-accent)}.menu-toggle{display:none;width:36px;height:36px;align-items:center;justify-content:center;background:transparent;border:none}.menu-toggle svg{width:20px;height:20px;color:var(--color-text-secondary)}@media (max-width:768px){.nav{display:flex}.menu-toggle{display:flex}}.floating-timeline{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:90;display:flex;flex-direction:column;align-items:center;gap:var(--space-2);padding:var(--space-3);background:rgba(255,255,255,0.08);border:1px solid var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-secondary);font-size:12px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);writing-mode:vertical-rl;text-orientation:mixed;transition:color var(--duration-fast),border-color var(--duration-fast)}[data-theme="light"] .floating-timeline{background:rgba(0,0,0,0.04)}.floating-timeline:hover{color:var(--color-accent);border-color:var(--color-accent)}.floating-timeline svg{width:20px;height:20px;writing-mode:horizontal-tb}.floating-timeline 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