:root{--background: #18181B;--surface: #27272A;--foreground: #F4F4F5;--muted-foreground: #A1A1AA;--primary: #60A5FA;--border: #27272A;--radius: 8px;--font-display: "Space Grotesk", "PingFang SC", "Microsoft YaHei", sans-serif;--font-sans: "DM Sans", "PingFang SC", "Microsoft YaHei", sans-serif}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background-color:var(--background);color:var(--foreground);font-family:var(--font-sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.page{max-width:920px;margin:0 auto;padding:0 24px}.hero{padding:64px 0 56px}.eyebrow{margin:0;font-family:var(--font-display);font-size:14px;font-weight:500;color:var(--primary)}.editorial-title{margin:16px 0 0;font-family:var(--font-display);font-size:128px;font-weight:600;line-height:1;letter-spacing:-.02em;overflow-wrap:anywhere}.hero-sub{margin:12px 0 0;max-width:30ch;font-size:20px;line-height:1.2;color:var(--muted-foreground)}.hero-intro{margin:32px 0 0;max-width:48ch;font-size:16px;line-height:1.7;color:var(--muted-foreground)}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:36px}.hero-link{font-size:14px;color:var(--muted-foreground);text-decoration:none;word-break:break-all;transition:color .15s ease}.hero-link:hover{color:var(--foreground)}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:0;border-radius:var(--radius);background-color:var(--primary);color:var(--background);font-family:var(--font-sans);font-size:15px;font-weight:500;text-decoration:none;cursor:pointer;transition:filter .15s ease}.btn:hover{filter:brightness(1.08)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:36px;height:36px;padding:0;border:0;border-radius:var(--radius);background-color:transparent;color:var(--muted-foreground);cursor:pointer;transition:background-color .15s ease,color .15s ease}.icon-btn:hover{background-color:var(--surface);color:var(--foreground)}.icon-check{display:none}.icon-btn[data-state=copied] .icon-check{display:block}.icon-btn[data-state=copied] .icon-copy{display:none}.section{border-top:1px solid var(--border);padding:56px 0}.section-head{display:flex;align-items:baseline;gap:12px;margin-bottom:36px}.section-num{font-family:var(--font-display);font-size:14px;font-weight:500;color:var(--primary)}.section-title{margin:0;font-size:12px;font-weight:500;letter-spacing:.02em;color:var(--muted-foreground)}.project{display:flex;gap:20px;border-top:1px solid var(--border);padding:32px 0}.project:first-of-type{border-top:0;padding-top:0}.project-num{flex-shrink:0;padding-top:4px;font-family:var(--font-display);font-size:14px;font-weight:500;color:var(--primary)}.project-body{min-width:0;flex:1}.project-title{margin:0;font-family:var(--font-display);font-size:24px;font-weight:600;line-height:1.2}.project-desc{margin:12px 0 0;max-width:56ch;font-size:16px;line-height:1.7;color:var(--muted-foreground)}.repo-link{display:inline-flex;align-items:flex-start;gap:8px;margin-top:20px;font-size:14px;font-weight:500;color:var(--primary);text-decoration:none;word-break:break-all;transition:color .15s ease}.repo-link:hover{color:var(--foreground)}.repo-link svg{margin-top:2px;flex-shrink:0}.tools{display:flex;flex-wrap:wrap;gap:12px 32px;margin:0;padding:0;list-style:none;font-size:16px}.tools li:nth-child(odd){color:var(--foreground)}.tools li:nth-child(2n){color:var(--muted-foreground)}.principles{display:grid;gap:24px;margin:0;padding:0;list-style:none}.principle{display:flex;gap:20px}.principle-num{flex-shrink:0;padding-top:4px;font-family:var(--font-display);font-size:14px;font-weight:500;color:var(--primary)}.principle p{margin:0;max-width:56ch;font-size:16px;line-height:1.7}.principle strong{font-family:var(--font-display);font-weight:500}.footer{border-top:1px solid var(--border);padding:56px 0}.footer-actions{display:flex;flex-direction:column;gap:16px}.copy-row{display:flex;align-items:center;gap:8px;min-width:0}.copy-status{min-height:20px;margin:12px 0 0;font-size:14px;color:var(--primary)}@media(max-width:1279px){.editorial-title{font-size:96px}}@media(min-width:640px){.page{padding:0 40px}.hero{padding:96px 0 80px}.hero-sub{font-size:24px}.hero-intro{font-size:18px}.section,.footer{padding:64px 0}.project{gap:32px}.project-title{font-size:30px}.footer-actions{flex-direction:row;align-items:center}}@media(max-width:639px){.editorial-title{font-size:48px}}@media(max-width:359px){.editorial-title{font-size:42px}}.site-info{margin-top:40px;padding-top:24px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:6px;font-size:14px;line-height:1.6;color:var(--muted-foreground)}.site-info p{margin:0}.hero-top{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:16px}.site-nav{display:flex;align-items:baseline;gap:24px;font-size:14px}.site-nav a{color:var(--muted-foreground);text-decoration:none;transition:color .15s ease}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--foreground)}.tools-note{margin:32px 0 0;max-width:56ch;font-size:14px;line-height:1.7;color:var(--muted-foreground)}.tools-link{font-weight:500;color:var(--primary);text-decoration:none;transition:color .15s ease}.tools-link:hover{color:var(--foreground)}.page-title{margin:32px 0 0;font-family:var(--font-display);font-size:48px;font-weight:600;line-height:1;letter-spacing:-.02em}@media(min-width:640px){.page-title{font-size:60px}}.input-row{display:flex;flex-direction:column;gap:12px}@media(min-width:640px){.input-row{flex-direction:row;align-items:center}}.text-input,.text-area{width:100%;min-width:0;border:1px solid var(--border);border-radius:var(--radius);background-color:var(--surface);color:var(--foreground);font-family:var(--font-sans);font-size:15px;padding:10px 14px;outline:none;transition:border-color .15s ease}.text-input:focus,.text-area:focus{border-color:var(--primary)}.text-input{flex:1}.text-area{margin-top:16px;min-height:150px;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:12px;line-height:1.7;resize:vertical}.output-area{min-height:280px}.btn-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px}.btn-outline{border:1px solid var(--border);background-color:transparent;color:var(--foreground)}.btn-outline:hover{filter:none;border-color:var(--muted-foreground)}.btn-ghost{background-color:transparent;color:var(--muted-foreground)}.btn-ghost:hover{filter:none;color:var(--foreground)}.btn:disabled{opacity:.5;cursor:not-allowed}.format-group{display:flex;flex-wrap:wrap;gap:8px}.format-btn{border:1px solid var(--border);border-radius:var(--radius);background-color:var(--surface);color:var(--muted-foreground);font-family:var(--font-sans);font-size:14px;padding:8px 16px;cursor:pointer;transition:color .15s ease,border-color .15s ease,background-color .15s ease}.format-btn:hover{color:var(--foreground)}.format-btn[aria-checked=true]{border-color:var(--primary);background-color:#60a5fa1a;color:var(--foreground)}.format-hint{margin:16px 0 0;font-size:14px;color:var(--muted-foreground)}.node-list{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0;padding:0;list-style:none}.node-list li{border:1px solid var(--border);border-radius:var(--radius);background-color:var(--surface);padding:6px 12px;font-size:12px;color:var(--muted-foreground)}.node-name{font-family:var(--font-display);font-weight:500;color:var(--foreground)}.node-meta{margin-left:8px}.notes{display:grid;gap:20px;margin:0;padding:0;list-style:none}.note{display:flex;gap:20px}.note-name{flex-shrink:0;width:112px;font-family:var(--font-display);font-size:14px;font-weight:500}.note-desc{margin:0;max-width:52ch;font-size:14px;line-height:1.7;color:var(--muted-foreground)}