@font-face{font-family:SourceHanSerifCN;font-style:normal;font-weight:100 900;font-display:swap;src:local("Source Han Serif CN"),local("Source Han Serif SC"),local("Noto Serif SC"),url(https://cuowo.cn/fonts/SourceHanSerifCN-VF.woff2) format("woff2")}:root{color-scheme:light;--bg: #ffffff;--elevated: #ffffff;--card-bg: #f6f6f7;--text: #213547;--text-2: #3c3c43;--text-3: #67676c;--text-4: #919191;--stroke: #e2e2e3;--stroke-2: rgba(33, 53, 71, .12);--stroke-3: #eeeef0;--fill: #f6f6f7;--fill-soft: rgba(41, 73, 164, .08);--accent: #2949a4;--accent-hover: #0749ff;--accent-soft: rgba(41, 73, 164, .09);--on-accent: #ffffff;--link: #e66700;--info: #2949a4;--info-soft: rgba(41, 73, 164, .08);--info-border: rgba(41, 73, 164, .22);--success: #0d7a5f;--success-soft: rgba(13, 122, 95, .08);--success-border: rgba(13, 122, 95, .22);--warning: #e66700;--warning-soft: rgba(230, 103, 0, .08);--warning-border: rgba(230, 103, 0, .22);--danger: #b42318;--danger-soft: rgba(180, 35, 24, .08);--danger-border: rgba(180, 35, 24, .22);--blue: #2949a4;--green: #0d7a5f;--orange: #e66700;--shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, .04);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .05);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 10px;--radius-xl: 12px;font-family:SourceHanSerifCN,"Source Han Serif SC","Noto Serif SC",Songti SC,STSong,PingFang SC,Microsoft YaHei,Segoe UI,system-ui,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text-2);min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}button,input,select,textarea{font:inherit;color:inherit}a{color:var(--link);text-decoration:none;transition:color .15s ease}a:hover{text-decoration:underline}.page{width:min(800px,calc(100% - 40px));margin:0 auto;padding:0 0 8px;flex:1}.page-home{width:min(1040px,calc(100% - 40px))}.blog-nav{position:sticky;top:0;z-index:8;width:100vw;margin-left:calc(50% - 50vw);border-bottom:1px solid var(--stroke);background:#ffffffb8;backdrop-filter:saturate(180%) blur(36px);-webkit-backdrop-filter:saturate(180%) blur(36px)}.blog-nav-inner{width:min(1100px,calc(100% - 32px));min-height:64px;margin:0 auto;display:flex;align-items:center;gap:16px}.blog-brand{display:flex;align-items:baseline;gap:8px;min-width:8.5rem;padding:0;border:0;background:transparent;cursor:pointer;font:inherit;color:inherit}.blog-brand-name{font-size:.95rem;font-weight:600;line-height:1.2;color:var(--text)}.blog-menu{flex:1;min-width:0}.blog-hero{padding:48px 0 8px}.home{position:relative;padding:1rem 0 2.5rem}.home-hero{display:flex;flex-direction:column;gap:.25rem}.home-hero-image{display:flex;justify-content:center}.home-hero-image img{display:block;width:clamp(300px,56vw,640px);max-width:100%;height:auto}.home-hero-main{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:1rem 2rem;padding-top:.35rem}.home-hero-title{margin:0;font-size:clamp(2rem,4.5vw,3.25rem);font-weight:700;line-height:1.25;letter-spacing:.06em;color:var(--text);text-wrap:balance}.home-hero-cta{display:inline-flex;align-items:baseline;gap:.45rem;justify-self:end;padding:.35rem 0 .4rem;border:0;border-bottom:1px solid var(--stroke);background:transparent;color:var(--text);cursor:pointer;letter-spacing:.04em}.home-hero-cta-kicker{font-size:.62rem;font-weight:500;letter-spacing:.08em;color:var(--text-3)}.home-hero-cta-arrow{color:var(--accent)}.home-hero-cta:hover{color:var(--accent);border-bottom-color:var(--accent)}.home-hero-cta:hover .home-hero-cta-kicker{color:var(--accent)}.home-features{display:grid;grid-template-columns:1fr;gap:12px;padding:1.25rem 0 0}.home-feature{display:grid;grid-template-columns:8.25rem minmax(0,1fr);align-items:center;width:100%;margin:0;padding:1.05rem 1.1rem;border:1px solid color-mix(in srgb,var(--text) 12%,transparent);border-radius:4px;background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 7%,transparent),transparent 62%),var(--fill);color:inherit;text-align:left;cursor:pointer;position:relative;overflow:hidden;font:inherit}.home-feature:before{content:"";position:absolute;top:0;left:0;width:42px;height:2px;background:var(--accent)}.home-feature:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--accent) 35%,var(--stroke))}.home-feature-title{margin:0;padding-right:.75rem;font-size:1.05rem;font-weight:600;letter-spacing:.04em;color:var(--text);text-align:center;white-space:nowrap}.home-feature-title:after{content:"→";margin-left:.3em;font-weight:500;color:var(--accent)}.home-feature-details{margin:0;padding-left:.95rem;border-left:1px solid color-mix(in srgb,var(--text) 12%,transparent);font-size:.84rem;font-weight:500;line-height:1.5;color:var(--text-2);white-space:pre-line}@media(min-width:768px){.home-features{grid-template-columns:1fr 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ease}.icon-btn:hover{background:var(--fill);color:var(--danger);border-color:var(--stroke)}.field,.area,.select{width:100%;border:1px solid var(--stroke-2);background:#fff;border-radius:var(--radius-md);padding:7px 12px;font-size:13px;line-height:20px;color:var(--text);box-shadow:var(--shadow-xs);transition:border-color .15s ease,box-shadow .15s ease}.field:focus,.area:focus,.select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1f}.field::placeholder,.area::placeholder{color:var(--text-4)}.area{resize:vertical}.card{border:1px solid var(--stroke);background:var(--fill);border-radius:var(--radius-lg);overflow:hidden}.card-h{padding:10px 16px;min-height:36px;font-size:13px;line-height:18px;font-weight:600;color:var(--text-3);background:transparent;border-bottom:1px solid var(--stroke);display:flex;align-items:center;justify-content:space-between}.card-b{padding:16px}.callout{border:0;border-radius:0 8px 8px 0;background:var(--fill);box-shadow:var(--shadow-sm);padding:12px 16px 12px 22px;position:relative;display:flex;flex-direction:column;gap:4px}.callout:before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--accent);border-radius:0 3px 3px 0}.callout.success:before{background:var(--success)}.callout.warning:before{background:var(--warning)}.callout.danger:before{background:var(--danger)}.callout.info:before{background:var(--info)}.callout.neutral:before{background:var(--text-3)}.table-wrap{overflow:auto;border:1px solid var(--stroke);border-radius:var(--radius-lg);background:var(--elevated);box-shadow:var(--shadow-xs)}table.grid-table{width:100%;border-collapse:collapse;font-size:13px;line-height:18px}.grid-table th,.grid-table td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--stroke-3);vertical-align:top}.grid-table th{background:#f8fafc;color:var(--text-3);font-weight:600;font-size:12px;border-bottom:1px solid var(--stroke);white-space:nowrap}.grid-table tr:last-child td{border-bottom:0}.grid-table tr:hover td{background:#fafbfc}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:8px;vertical-align:middle}.dot.info{background:var(--info)}.dot.success{background:var(--success)}.dot.warning{background:var(--warning)}.dot.danger{background:var(--danger)}.dot.neutral{background:var(--text-3)}.swatch{width:10px;height:10px;border-radius:3px;display:inline-block}.swatch.blue{background:var(--blue)}.swatch.green{background:var(--green)}.swatch.orange{background:var(--orange)}.check{display:flex;align-items:center;gap:8px;font-size:13px;line-height:20px;color:var(--text-2);cursor:pointer;-webkit-user-select:none;user-select:none}.check input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px;cursor:pointer}.collapse-h{display:flex;align-items:center;gap:8px;cursor:pointer;color:var(--text-2);font-size:13px;padding:8px 12px;background:#fff;border:1px solid var(--stroke);border-radius:var(--radius-md);-webkit-user-select:none;user-select:none;transition:all .15s ease}.collapse-h:hover{background:#f8fafc;color:var(--text);border-color:var(--stroke-2)}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:9999px;font-size:11px;font-weight:600;line-height:16px}.badge.info{background:var(--info-soft);color:var(--info);border:1px solid var(--info-border)}.badge.success{background:var(--success-soft);color:var(--success);border:1px solid var(--success-border)}.badge.warning{background:var(--warning-soft);color:var(--warning);border:1px solid var(--warning-border)}.badge.danger{background:var(--danger-soft);color:var(--danger);border:1px solid var(--danger-border)}.badge.neutral{background:var(--fill);color:var(--text-3);border:1px solid var(--stroke)}.loop-strip{overflow-x:auto;padding:4px 0 10px}.beian{width:min(800px,calc(100% - 40px));margin:0 auto;padding:24px 0 36px;font-size:12px;line-height:18px;color:var(--text-4);display:flex;justify-content:center;flex-wrap:wrap;gap:16px;border-top:1px solid var(--stroke)}.beian a{color:var(--text-3);text-decoration:none;transition:color .15s ease}.beian a:hover{color:var(--accent);text-decoration:underline}@media(max-width:768px){.page,.page-home,.beian{width:calc(100% - 24px)}.blog-nav-inner{width:calc(100% - 24px);min-height:56px;flex-wrap:wrap;padding:8px 0}.blog-hero{padding-top:28px}.h1{font-size:32px}.grid.mobile-stack{grid-template-columns:1fr!important}}