:root[data-theme=light]{--bc-bg: #fffaf2;--bc-surface: #fffefb;--bc-soft-surface: #fff2dc;--bc-border: #eadcc4;--bc-border-strong: #dcc7a4;--bc-text-main: #43311e;--bc-text-sub: #8f7554;--bc-primary: #e8a243;--bc-primary-hover: #d98a1c;--bc-accent: #f6c86d;--bc-focus-ring: rgba(232, 162, 67, .24);--bc-shadow-soft: 0 22px 52px -30px rgba(0, 0, 0, .1), 0 28px 68px -36px rgba(0, 0, 0, .1)}:root[data-theme=dark]{--bc-bg: #120b23;--bc-surface: #1b1233;--bc-soft-surface: #271a47;--bc-border: #403062;--bc-border-strong: #5a4388;--bc-text-main: #f3ecff;--bc-text-sub: #beaede;--bc-primary: #b57cff;--bc-primary-hover: #9b5cff;--bc-accent: #e59cff;--bc-focus-ring: rgba(181, 124, 255, .3);--bc-shadow-soft: 0 24px 60px -28px rgba(8, 3, 20, .1), 0 22px 48px -30px rgba(0, 0, 0, .1);--bc-logo: #f3ecff}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{width:100%;min-height:100vh}:root{--bc-ink: var(--bc-text-main);--bc-ink-strong: color-mix(in srgb, var(--bc-text-main) 76%, #000000 24%);--bc-paper: var(--bc-bg);--bc-card: var(--bc-surface);--bc-line: var(--bc-border);--bc-line-strong: var(--bc-border-strong);--bc-subtle: var(--bc-text-sub);--bc-primary-soft: color-mix(in srgb, var(--bc-primary) 14%, transparent);--bc-primary-soft-2: color-mix(in srgb, var(--bc-primary) 24%, transparent);--bc-primary-border: color-mix(in srgb, var(--bc-primary) 42%, var(--bc-line));--bc-surface-soft: var(--bc-soft-surface);--bc-surface-subtle: color-mix(in srgb, var(--bc-soft-surface) 60%, var(--bc-surface) 40%);--bc-radius-lg: 10px;--bc-radius-md: 6px;--bc-shadow: var(--bc-shadow-soft);--bc-shadow-sm: 0 2px 8px rgba(0, 0, 0, .08)}body{color:var(--bc-text-main);background:var(--bc-bg);font-family:Microsoft YaHei,sans-serif;line-height:1.5;text-rendering:geometricPrecision}button,input,select{font:inherit;color:inherit}a{color:inherit}.bc-index-page{position:relative;isolation:isolate;min-height:100vh;display:flex;flex-direction:column;overflow:hidden;background:var(--bc-bg)}.bc-index-header{position:sticky;top:0;z-index:100;border-bottom:1px solid var(--bc-line);-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);background:color-mix(in srgb,var(--bc-bg) 70%,transparent);transition:all .3s ease}.bc-index-header-inner{width:min(100%,1440px);margin:0 auto;min-height:72px;padding:0 40px;display:flex;justify-content:space-between;align-items:center;gap:40px}.bc-index-header-left{display:flex;align-items:center;gap:48px}.bc-index-brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none;transition:transform .2s ease}.bc-index-brand-mark{width:45px;height:45px;object-fit:contain}.bc-index-brand-copy{display:inline-flex;flex-direction:column}.bc-index-brand-name{font-family:Microsoft YaHei,sans-serif;font-size:24px;font-weight:800;line-height:1;letter-spacing:-.01em;color:var(--bc-ink-strong)}.bc-index-brand-sub{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--bc-subtle);margin-top:2px}.bc-index-nav{display:flex;align-items:center;gap:8px;background:transparent;border:none;box-shadow:none;padding:0}.bc-index-nav-link{text-decoration:none;font-size:14px;font-weight:600;color:var(--bc-text-sub);padding:8px 16px;border-radius:6px;transition:all .2s ease}.bc-index-nav-link:hover{color:var(--bc-text-main);background:var(--bc-surface-soft)}.bc-index-nav-link.is-active{color:var(--bc-primary);background:var(--bc-primary-soft);box-shadow:none}.bc-index-header-right{display:flex;align-items:center;gap:24px}.bc-index-tools{display:flex;align-items:center;gap:8px}.bc-theme-switch{position:relative;display:flex}.bc-index-tool-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--bc-line);border-radius:6px;background:var(--bc-surface);color:var(--bc-text-sub);cursor:pointer;transition:all .2s ease}.bc-index-tool-icon svg{width:20px;height:20px}.bc-index-tool-icon:hover{color:var(--bc-text-main);border-color:var(--bc-border-strong);background:var(--bc-surface-soft);transform:translateY(-1px)}.bc-theme-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:140px;background:var(--bc-surface);border:1px solid var(--bc-line);border-radius:8px;padding:6px;box-shadow:0 12px 30px #0000001a,0 0 0 1px color-mix(in srgb,var(--bc-line) 50%,transparent);display:flex;flex-direction:column;gap:2px;opacity:0;visibility:hidden;transform:translateY(8px) scale(.95);transform-origin:top right;transition:all .2s cubic-bezier(.16,1,.3,1);z-index:1000}.bc-theme-menu:before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px;background:transparent}.bc-theme-switch:hover .bc-theme-menu,.bc-theme-switch.is-open .bc-theme-menu{opacity:1;visibility:visible;transform:translateY(0) scale(1)}.bc-theme-menu-item{height:38px;padding:0 12px;display:flex;align-items:center;gap:10px;border:none;border-radius:5px;background:transparent;color:var(--bc-text-sub);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease;width:100%}.bc-theme-menu-item:hover{background:var(--bc-surface-soft);color:var(--bc-text-main)}.bc-theme-menu-item.is-active{background:var(--bc-primary-soft);color:var(--bc-primary);font-weight:600}.bc-theme-menu-dot{width:6px;height:6px;border-radius:2px;background:var(--bc-line-strong);transition:all .2s ease;flex-shrink:0}.bc-theme-menu-item.is-active .bc-theme-menu-dot{background:var(--bc-primary);box-shadow:0 0 6px var(--bc-primary)}.bc-index-actions{display:flex;align-items:center;gap:12px}.bc-index-action{height:40px;padding:0 20px;border-radius:6px;font-size:14px;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent}.bc-index-action.link{background:transparent;color:var(--bc-text-main);padding:0 12px}.bc-index-action.link:hover{color:var(--bc-primary);background:var(--bc-primary-soft)}.bc-index-action.primary{background:var(--bc-primary);color:#fff;padding:0 24px;box-shadow:0 4px 12px color-mix(in srgb,var(--bc-primary) 25%,transparent)}.bc-index-action.primary:hover{background:var(--bc-primary-hover);transform:translateY(-2px);box-shadow:0 8px 20px color-mix(in srgb,var(--bc-primary) 35%,transparent)}.bc-index-action.primary:active{transform:translateY(0)}.bc-index-shell{width:min(100%,1280px);margin:0 auto;padding:0 32px 120px;flex:1;display:flex;flex-direction:column;justify-content:center}.bc-main-panel{width:100%;max-width:880px;margin:0 auto;border:none;background:transparent;padding:56px 48px;animation:rise-in .8s cubic-bezier(.16,1,.3,1) both;position:relative;overflow:visible}.bc-main-panel:before{display:none}.bc-main-header{text-align:center;margin-bottom:48px;position:relative;z-index:1}.bc-main-title{font-size:46px;font-weight:800;color:var(--bc-ink-strong);margin-bottom:16px;letter-spacing:-.02em;line-height:1.2}.bc-main-subtitle{font-size:16px;color:var(--bc-text-sub);font-weight:500;letter-spacing:.02em}.bc-main-tabs-wrapper{display:flex;justify-content:center;margin-bottom:32px;position:relative;z-index:10}.bc-main-tabs{display:inline-flex;background:color-mix(in srgb,var(--bc-surface) 40%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:6px;border-radius:8px;border:1px solid color-mix(in srgb,var(--bc-border) 40%,transparent);box-shadow:0 8px 32px -8px #0000000d}.bc-main-tab{border:none;background:transparent;color:var(--bc-text-sub);padding:10px 24px;font-size:15px;font-weight:600;border-radius:5px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.bc-main-tab:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,color-mix(in srgb,var(--bc-surface) 80%,transparent),color-mix(in srgb,var(--bc-surface) 40%,transparent));opacity:0;transition:opacity .3s ease;z-index:-1}.bc-main-tab:after{content:"";position:absolute;bottom:0;left:50%;width:0;height:2px;background:var(--bc-primary);transition:all .3s cubic-bezier(.4,0,.2,1);transform:translate(-50%);box-shadow:0 -2px 8px var(--bc-primary);border-radius:2px 2px 0 0}.bc-main-tab:hover{color:var(--bc-text-main);transform:translateY(-1px)}.bc-main-tab:hover:before{opacity:1}.bc-main-tab:hover:after{width:40%;opacity:.5}.bc-main-tab.is-active{color:var(--bc-primary);font-weight:700;text-shadow:0 0 12px color-mix(in srgb,var(--bc-primary) 30%,transparent)}.bc-main-tab.is-active:before{opacity:1;background:color-mix(in srgb,var(--bc-primary) 8%,transparent)}.bc-main-tab.is-active:after{width:60%;opacity:1;height:3px}.bc-main-tab-more-wrapper{position:relative}.bc-main-tab-more-wrapper:after{content:"";position:absolute;top:100%;left:0;right:0;height:16px;background:transparent;z-index:10}.bc-main-tab-more{display:inline-flex;align-items:center;gap:4px}.bc-main-tab-more svg{width:14px;height:14px;transition:transform .3s cubic-bezier(.34,1.56,.64,1)}.bc-main-tab-more.is-open svg,.bc-main-tab-more-wrapper:hover .bc-main-tab-more svg{transform:rotate(180deg)}.bc-main-more-menu-mega{position:absolute;top:calc(100% + 12px);right:-20px;width:620px;max-width:min(86vw,620px);background:var(--bc-surface);border:1px solid color-mix(in srgb,var(--bc-border) 80%,transparent);border-radius:8px;padding:14px;box-shadow:0 20px 40px -10px #0000001a,0 0 0 1px color-mix(in srgb,var(--bc-surface) 40%,transparent);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);opacity:0;visibility:hidden;transform:translateY(10px) scale(.98);transform-origin:top center;transition:all .25s cubic-bezier(.16,1,.3,1);z-index:100}.bc-main-tab-more-wrapper:hover .bc-main-more-menu-mega{opacity:1;visibility:visible;transform:translateY(0) scale(1)}.bc-mega-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}.bc-mega-item{height:32px;padding:0 10px;border:1px solid transparent;background:transparent;color:var(--bc-text-sub);font-size:12px;font-weight:500;text-align:center;border-radius:6px;cursor:pointer;transition:all .2s ease;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bc-mega-item:hover{background:var(--bc-surface-soft);color:var(--bc-text-main);transform:translateY(-1px)}.bc-mega-item.is-active{background:var(--bc-primary-soft);color:var(--bc-primary);font-weight:600;border-color:color-mix(in srgb,var(--bc-primary) 20%,transparent)}.bc-main-search-container{position:relative;z-index:2;margin:0 auto;max-width:760px}.bc-main-search{display:flex;align-items:center;background:var(--bc-surface);border:1px solid var(--bc-border-strong);border-radius:8px;padding:6px;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 10px 30px -10px #00000014}.bc-main-search:focus-within{border-color:var(--bc-primary);box-shadow:0 12px 40px -10px color-mix(in srgb,var(--bc-primary) 20%,transparent),0 0 0 4px color-mix(in srgb,var(--bc-primary) 12%,transparent);transform:translateY(-2px)}.bc-main-search-left{padding:0 8px;position:relative}.bc-custom-select{position:relative}.bc-custom-select-trigger{display:flex;align-items:center;gap:6px;height:32px;padding:0 12px;border-radius:5px;background:transparent;color:var(--bc-text-main);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.bc-custom-select-trigger:hover,.bc-custom-select.is-open .bc-custom-select-trigger{background:var(--bc-surface-soft)}.bc-custom-select-trigger svg{width:14px;height:14px;color:var(--bc-text-sub);transition:transform .2s ease}.bc-custom-select.is-open .bc-custom-select-trigger svg{transform:rotate(180deg)}.bc-custom-select-dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:120px;background:var(--bc-surface);border:1px solid var(--bc-border);border-radius:8px;padding:6px;box-shadow:0 12px 30px #0000001a,0 0 0 1px color-mix(in srgb,var(--bc-line) 50%,transparent);display:flex;flex-direction:column;gap:2px;opacity:0;visibility:hidden;transform:translateY(8px) scale(.95);transform-origin:top left;transition:all .2s cubic-bezier(.16,1,.3,1);z-index:100}.bc-custom-select.is-open .bc-custom-select-dropdown{opacity:1;visibility:visible;transform:translateY(0) scale(1)}.bc-custom-select-option{height:36px;padding:0 12px;border:none;background:transparent;color:var(--bc-text-sub);font-size:13px;font-weight:500;text-align:left;border-radius:8px;cursor:pointer;transition:all .2s ease}.bc-custom-select-option:hover{background:var(--bc-surface-soft);color:var(--bc-text-main)}.bc-custom-select-option.is-selected{background:var(--bc-primary-soft);color:var(--bc-primary);font-weight:600}.bc-main-search-divider{width:1px;height:20px;background:var(--bc-border);margin:0 8px}.bc-main-search-input{flex:1;display:flex;align-items:center;gap:12px;padding:0 12px}.bc-search-icon{width:18px;height:18px;color:var(--bc-text-sub)}.bc-main-search-input input{width:100%;border:none;outline:none;background:transparent;height:44px;font-size:15px;color:var(--bc-text-main)}.bc-main-search-input input::placeholder{color:color-mix(in srgb,var(--bc-text-sub) 70%,transparent)}.bc-main-search-btn{height:44px;padding:0 24px;background:var(--bc-primary);color:#fff;border:none;border-radius:10px;font-size:14px;font-weight:700;display:flex;align-items:center;gap:8px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1)}.bc-main-search-btn svg{width:16px;height:16px;transition:transform .3s ease}.bc-main-search-btn:hover{background:var(--bc-primary-hover);box-shadow:0 4px 12px color-mix(in srgb,var(--bc-primary) 30%,transparent)}.bc-main-search-btn:hover svg{transform:translate(4px)}.bc-main-footer{margin-top:32px;position:relative;z-index:1}.bc-main-hotwords{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}.bc-hotwords-label{font-size:13px;color:var(--bc-text-sub);font-weight:600}.bc-hotword{border:1px solid var(--bc-border);background:color-mix(in srgb,var(--bc-surface) 50%,transparent);font-size:12px;color:var(--bc-text-sub);padding:4px 10px;border-radius:4px;cursor:pointer;transition:all .2s ease}.bc-hotword:hover{color:var(--bc-primary);background:var(--bc-primary-soft);border-color:color-mix(in srgb,var(--bc-primary) 30%,transparent)}.bc-index-footer{border-top:1px solid var(--bc-border);background:color-mix(in srgb,var(--bc-surface) 40%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:48px 0}.bc-index-footer-inner{width:min(100%,1280px);margin:0 auto;padding:0 32px;display:flex;flex-direction:column;align-items:center;gap:24px}.bc-index-footer-title{font-size:20px;font-weight:700;color:var(--bc-ink-strong)}.bc-index-footer-nav{display:flex;gap:32px}.bc-index-footer-nav a{text-decoration:none;font-size:14px;color:var(--bc-text-sub);font-weight:500;transition:color .2s ease}.bc-index-footer-nav a:hover{color:var(--bc-primary)}.bc-index-copyright{font-size:13px;color:var(--bc-subtle)}.bc-index-action:focus-visible,.bc-index-tool:focus-visible,.bc-theme-menu-item:focus-visible,.bc-index-nav-link:focus-visible,.bc-main-tab:focus-visible,.bc-main-search-btn:focus-visible,.bc-hotword:focus-visible,.bc-index-footer-nav a:focus-visible,.bc-main-search-input input:focus-visible,.bc-main-search-type select:focus-visible{outline:3px solid var(--bc-focus-ring);outline-offset:2px}@keyframes rise-in{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.ui-dialog-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.ui-dialog-panel{position:relative;width:90%;max-width:400px;background:var(--bc-surface, #ffffff);border-radius:8px;box-shadow:0 12px 32px #00000026;overflow:hidden;animation:ui-dialog-fade-in .3s ease}@keyframes ui-dialog-fade-in{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.ui-dialog-close{position:absolute;top:16px;right:16px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:none;background:transparent;color:var(--bc-text-sub, #666);cursor:pointer;border-radius:50%;transition:all .2s ease;z-index:10}.ui-dialog-close:hover{background:var(--bc-surface-soft, #f5f5f5);color:var(--bc-text-main, #333)}.ui-dialog-close svg{width:20px;height:20px}.ui-dialog-header{padding:24px 24px 0;border-bottom:1px solid var(--bc-line, #eee)}.ui-dialog-tabs{display:flex;gap:24px}.ui-dialog-tab{padding:0 0 12px;border:none;background:transparent;font-size:16px;font-weight:600;color:var(--bc-text-sub, #666);cursor:pointer;position:relative;transition:color .2s ease}.ui-dialog-tab:hover{color:var(--bc-text-main, #333)}.ui-dialog-tab.is-active{color:var(--bc-primary, #1890ff)}.ui-dialog-tab.is-active:after{content:"";position:absolute;bottom:-1px;left:0;width:100%;height:2px;background:var(--bc-primary, #1890ff);border-radius:2px 2px 0 0}.ui-dialog-body{padding:24px}.ui-dialog-form{display:flex;flex-direction:column;gap:16px}.ui-dialog-form-item{display:flex;flex-direction:column;gap:8px}.ui-dialog-form-item label{font-size:14px;font-weight:500;color:var(--bc-text-main, #333)}.ui-dialog-form-item input{height:40px;padding:0 12px;border:1px solid var(--bc-line, #eee);border-radius:4px;font-size:14px;background:var(--bc-surface-soft, #f9f9f9);color:var(--bc-text-main, #333);transition:all .2s ease;outline:none}.ui-dialog-form-item input:focus{border-color:var(--bc-primary, #1890ff);background:var(--bc-surface, #ffffff);box-shadow:0 0 0 2px color-mix(in srgb,var(--bc-primary, #1890ff) 20%,transparent)}.ui-dialog-submit-btn{margin-top:8px;height:44px;border:none;border-radius:4px;background:var(--bc-primary, #1890ff);color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease}.ui-dialog-submit-btn:hover{background:var(--bc-primary-hover, #40a9ff);transform:translateY(-1px);box-shadow:0 4px 12px color-mix(in srgb,var(--bc-primary, #1890ff) 30%,transparent)}.ui-dialog-submit-btn:disabled{cursor:not-allowed;opacity:.75;transform:none;box-shadow:none}.global-message-container{position:fixed;top:20px;left:50%;transform:translate(-50%);z-index:10000;display:flex;flex-direction:column;gap:10px;pointer-events:none}.global-message{min-width:240px;max-width:min(88vw,560px);padding:10px 14px;border-radius:10px;border:1px solid transparent;box-shadow:0 10px 28px #00000038;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);font-size:14px;line-height:1.45;color:#fff;transform:translateY(0);opacity:1;transition:opacity .18s ease,transform .18s ease;word-break:break-word}.global-message.is-leaving{opacity:0;transform:translateY(-6px)}.global-message--success{background:linear-gradient(135deg,#10b981f2,#059669f2);border-color:#10b98173}.global-message--error{background:linear-gradient(135deg,#ef4444f5,#dc2626f5);border-color:#ef444473}.global-message--warning{background:linear-gradient(135deg,#f59e0bf2,#d97706f2);border-color:#f59e0b73}.global-message--info{background:linear-gradient(135deg,#3b82f6f2,#2563ebf2);border-color:#3b82f673}@media (max-width: 1080px){.bc-index-header-inner{grid-template-columns:1fr;justify-items:center;gap:12px;padding-top:18px;padding-bottom:18px}.bc-index-header-right,.bc-index-nav{justify-self:center}.bc-index-header-right{flex-wrap:wrap;justify-content:center}}@media (max-width: 960px){.bc-search-banners{grid-template-columns:1fr;gap:5px}.bc-search-main{flex-direction:column;padding:20px}.bc-search-sidebar{width:100%}.bc-search-result-page{padding:0}}@media (max-width: 760px){.bc-index-shell{padding:32px 16px 50px}.bc-index-brand{gap:12px}.bc-index-brand-mark{width:48px;height:48px}.bc-index-brand-name{font-size:34px}.bc-index-nav{width:100%;justify-content:center;overflow-x:auto}.bc-index-header-right{width:100%;gap:10px}.bc-theme-switch,.bc-index-actions{width:100%;justify-content:center}.bc-index-tool{flex:1;justify-content:center;min-width:0}.bc-theme-menu{left:0;right:0;top:calc(100% + 6px);min-width:100%}.bc-main-panel{padding:16px;border-radius:8px}.bc-main-search{grid-template-columns:1fr}.bc-main-search-btn{width:100%}.bc-index-footer-inner{padding-left:16px;padding-right:16px}}@media (hover: none){.bc-theme-switch:hover .bc-theme-menu{opacity:0;visibility:hidden;pointer-events:none;transform:translateY(8px)}.bc-theme-switch.is-open .bc-theme-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}}