:root{--background: #f3f4f6;--surface: #ffffff;--surface-muted: #f6f7f8;--surface-strong: #eff6ff;--surface-soft: #f3f3f5;--surface-accent: #e9ebef;--text: #111827;--text-soft: #374151;--text-muted: #6b7280;--text-faint: #9ca3af;--border: #e5e7eb;--border-strong: #d1d5db;--primary: #030213;--primary-strong: #030213;--primary-soft: rgba(37, 99, 235, .08);--accent: #2563eb;--accent-strong: #1d4ed8;--accent-soft: #eff6ff;--success: #059669;--warning: #d97706;--danger: #dc2626;--shadow: 0 12px 30px rgba(15, 23, 42, .08);--shadow-soft: 0 6px 16px rgba(15, 23, 42, .04);--radius: 10px;--radius-sm: 6px;--radius-md: 8px;--content-width: 1600px;--font-sans: "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Segoe UI", sans-serif;--font-display: "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Segoe UI", sans-serif;--font-mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", monospace;color:var(--text);background:var(--background);font-family:var(--font-sans);font-size:16px;line-height:1.5}.tool-workspace{display:grid;gap:30px}.home-page{display:grid;gap:28px}.home-hero{position:relative;padding:44px 32px 34px;border:1px solid #e6e9ee;border-radius:28px;overflow:hidden;background:radial-gradient(circle at top center,rgba(63,131,248,.18),transparent 34%),linear-gradient(180deg,#fffffffa,#f8fafcfa);box-shadow:0 22px 54px #0f172a12}.home-hero:before{content:"";position:absolute;inset:auto 18% -140px;height:220px;border-radius:999px;background:radial-gradient(circle,rgba(37,99,235,.08),transparent 70%);pointer-events:none}.home-hero__inner{display:grid;gap:18px;justify-items:center;position:relative;text-align:center}.home-hero h1,.home-hero p,.home-section__header h2,.home-section__header p,.home-category-card h3,.home-category-card p,.home-tool-card h3,.home-tool-card p,.home-callout h3,.home-callout p,.tool-index__panel h2,.tool-index__panel p,.tool-faq h3,.tool-faq p{margin:0}.home-hero__eyebrow{display:inline-flex;align-items:center;min-height:34px;padding:0 14px;border-radius:999px;background:#3b82f61a;color:#2563eb;font-size:.8125rem;font-weight:600;letter-spacing:.01em}.home-hero h1{max-width:12ch;font-family:var(--font-display);font-size:clamp(2.6rem,5vw,4rem);line-height:1.02;letter-spacing:-.06em}.home-hero__lead{max-width:52rem;color:var(--text-soft);font-size:1.0625rem;line-height:1.78}.home-hero__subcopy{max-width:48rem;color:var(--text-muted);font-size:.9375rem;line-height:1.8}.home-hero__benefits{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.home-benefit{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:8px 12px;border:1px solid rgba(148,163,184,.2);border-radius:999px;background:#ffffffdb;box-shadow:0 8px 20px #0f172a0a}.home-benefit__icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:999px;background:linear-gradient(135deg,#2563eb1f,#2563eb0a);color:var(--accent-strong)}.home-benefit__text{display:grid;gap:1px;text-align:left}.home-benefit__text strong{font-size:.8125rem;font-weight:600;line-height:1.15}.home-benefit__text span{color:var(--text-muted);font-size:.75rem;line-height:1.25}.home-hero__actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.home-section{display:grid;gap:14px}.home-section__header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.home-section__header h2{font-size:1.4rem;line-height:1.18;letter-spacing:-.03em}.home-section__header p{color:var(--text-muted);max-width:60ch;line-height:1.7}.home-category-grid,.home-tool-grid{display:grid;gap:14px}.home-category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.home-tool-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.home-category-card,.home-tool-card,.home-callout{padding:18px;border:1px solid var(--border);border-radius:18px;background:var(--surface)}.home-category-card,.home-callout{display:grid;gap:12px}.home-category-card__head,.home-tool-card__head,.home-tool-card__surface{display:flex;gap:12px}.home-category-card__title,.home-tool-card__head{display:flex;align-items:center;gap:10px}.home-category-card{gap:14px;padding:20px;border-radius:20px;background:linear-gradient(180deg,#fffffffa,#fcfcfdf2);box-shadow:0 12px 30px #0f172a0d}.home-category-card__head{align-items:flex-start;justify-content:space-between}.home-category-card__icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:14px;color:#fff;box-shadow:0 12px 20px #0f172a24}.home-category-card__count{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;background:#f6f7f9;color:var(--text-faint);font-size:.75rem;white-space:nowrap}.home-category-card h3{font-size:1rem;line-height:1.3}.home-category-card p{color:var(--text-muted);font-size:.9rem;line-height:1.72}.home-category-card[data-category=data-json] .home-category-card__icon{background:linear-gradient(135deg,#ff7a00,#f59e0b)}.home-category-card[data-category=encoding] .home-category-card__icon{background:linear-gradient(135deg,#3b82f6,#06b6d4)}.home-category-card[data-category=text-docs] .home-category-card__icon{background:linear-gradient(135deg,#10b981,#22c55e)}.home-category-card[data-category=security] .home-category-card__icon{background:linear-gradient(135deg,#f43f5e,#ef4444)}.home-category-card[data-category=numeric] .home-category-card__icon{background:linear-gradient(135deg,#8b5cf6,#d946ef)}.home-category-card[data-category=math-random] .home-category-card__icon{background:linear-gradient(135deg,#f97316,#f59e0b)}.home-category-card[data-category=image-canvas] .home-category-card__icon{background:linear-gradient(135deg,#14b8a6,#22c55e)}.home-category-card[data-category=media-audio] .home-category-card__icon{background:linear-gradient(135deg,#2563eb,#38bdf8)}.home-category-card[data-category=network-debug] .home-category-card__icon{background:linear-gradient(135deg,#0ea5e9,#2563eb)}.home-category-card[data-category=color-design] .home-category-card__icon{background:linear-gradient(135deg,#ec4899,#a855f7)}.home-tool-card{padding:0;border:0;background:transparent}.home-tool-card__surface{flex-direction:column;align-items:stretch;justify-content:space-between;min-height:100%;padding:18px 16px;border:1px solid var(--border);border-radius:18px;background:#fffffff5;box-shadow:0 10px 26px #0f172a0a;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.home-tool-card__surface:hover,.home-tool-card__surface:focus-visible{transform:translateY(-2px);border-color:#2563eb2e;box-shadow:0 16px 32px #0f172a14;outline:none}.home-tool-card__head{align-items:center;justify-content:flex-start}.home-tool-card h3{font-size:.95rem;line-height:1.35}.home-category-card p,.home-tool-card p,.home-callout p{color:var(--text-soft);line-height:1.65}.home-tool-card p{color:var(--text-muted);font-size:.84rem}.home-link-list,.tool-related-list{display:flex;flex-wrap:wrap;gap:8px}.home-inline-link,.tool-related-link,.tool-breadcrumbs__link,.home-tool-card__link{transition:color .18s ease,background .18s ease,border-color .18s ease}.home-inline-link,.tool-related-link{display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border:1px solid #e7e9ee;border-radius:999px;background:#fbfcfd;color:var(--text);font-size:.8125rem}.home-inline-link:hover,.tool-related-link:hover,.tool-breadcrumbs__link:hover,.home-tool-card__link:hover{color:var(--accent);border-color:#2563eb38;background:#2563eb0d}.home-tool-card__icon{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:12px;background:linear-gradient(135deg,#2563eb1a,#3b82f60a);color:var(--accent-strong)}.home-tool-card__link,.tool-breadcrumbs__link{color:var(--accent-strong);font-weight:500}.home-callout{padding:18px 20px;border-radius:20px;background:linear-gradient(180deg,#fffffffa,#f9fafbf5),var(--surface)}.home-seo-note{padding:0 10px 2px}.home-seo-note p{color:var(--text-faint);font-size:.8125rem;line-height:1.82;text-align:center}.tool-index{position:relative;display:grid;gap:22px;padding:6px 0 0;border:0;border-radius:0;background:transparent}.tool-index:before{content:"";display:block;height:1px;background:linear-gradient(90deg,#d1d5dce6,#e5e7eba6 48%,#e5e7eb00)}.tool-breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:6px;color:#8a94a6;font-size:.8125rem;line-height:1.6}.tool-breadcrumbs__separator{color:#d1d5dc}.tool-index__layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,300px);gap:40px;align-items:start}.tool-index__main,.tool-index__side{display:grid}.tool-index__main{gap:30px}.tool-index__side{gap:24px;align-content:start}.tool-faq-list{display:grid;gap:12px}.tool-index__panel{display:grid;gap:12px;padding:20px 21px;border:1px solid #f3f4f6;border-radius:16px;background:#f9fafbd1}.tool-index__panel h2{margin:0;font-size:.9375rem;font-weight:600;line-height:1.5;letter-spacing:-.03em}.tool-index__panel--note{gap:14px}.tool-index__panel p{color:#6a7282;font-size:.8125rem;line-height:1.7}.tool-index__panel ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}.tool-index__panel li{position:relative;padding-left:12px;color:#6a7282;font-size:.8125rem;line-height:1.7}.tool-index__panel li:before{content:"";position:absolute;left:0;top:.62em;width:4px;height:4px;border-radius:999px;background:#d1d5dc}.tool-faq h3{font-size:.9rem;font-weight:500;line-height:1.55;color:#1e2939}@media (max-width: 1200px){.home-tool-grid,.home-category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 1100px){.tool-index__layout{grid-template-columns:1fr;gap:28px}}@media (max-width: 760px){.home-hero,.home-category-card,.home-callout{padding:18px 16px}.home-hero{padding-top:32px}.home-hero h1{font-size:clamp(2rem,10vw,2.8rem)}.home-hero__actions{flex-direction:column;align-items:stretch;width:100%}.home-hero__actions .button{width:100%}.home-tool-grid,.home-category-grid{grid-template-columns:1fr}.tool-workspace{gap:24px}.tool-index{gap:18px}.tool-index__layout,.tool-index__main,.tool-index__side{gap:22px}}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:var(--background);color:var(--text);font-family:var(--font-sans);font-weight:400}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}img{max-width:100%;display:block}.app-shell{min-height:100vh;display:flex;flex-direction:column}.site-header{position:sticky;top:0;z-index:10;background:#ffffffeb;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.site-header__inner{display:flex;align-items:center;gap:18px;justify-content:space-between;width:100%;padding:13px 16px}.site-brand{display:flex;align-items:center;gap:12px;min-width:0}.site-brand__home{display:inline-flex;align-items:center;gap:12px;min-width:0;padding:0;border:0;background:transparent;color:inherit;cursor:pointer}.site-brand__home:hover,.site-brand__home:focus-visible{color:var(--accent);outline:none}.site-brand__text-title{margin:0;font-size:1.25rem;font-weight:400;line-height:1.5;letter-spacing:0}.header-search{flex:1 1 auto;display:flex;justify-content:center;max-width:30rem;margin:0 auto}.header-actions{display:flex;align-items:center;gap:8px;justify-content:flex-end}.header-language-toggle.button{min-height:32px;padding:2px;border-radius:999px;border-color:#0000001a;background:#ececf066;color:#717182;font-family:var(--font-sans);font-size:.75rem;font-weight:400;letter-spacing:0;line-height:1;gap:0;flex-shrink:0}.header-language-toggle.button:hover{border-color:#00000024;background:#ececf0b8}.header-language-toggle.button:focus-visible{border-color:#00000029;background:#ececf0d6;box-shadow:0 0 0 3px #2563eb24}.header-language-toggle__option{display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:20px;padding:0 10px;border-radius:999px;color:#717182;transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease}.header-language-toggle.button:hover .header-language-toggle__option:not(.header-language-toggle__option--active){color:#4a5565}.header-language-toggle__option--active{background:#0a0a0a;color:#fff;box-shadow:0 1px 2px #0000001f}.header-language-toggle.button:active .header-language-toggle__option--active{transform:scale(.98)}.search-trigger{width:100%;justify-content:flex-start;border-color:var(--border-strong);background:#ffffffeb;color:var(--text-muted);font-weight:400;font-size:.875rem;min-height:40px;border-radius:12px;padding-inline:12px}.search-trigger:hover{background:var(--surface-muted);color:var(--text)}.search-trigger span{overflow:hidden;text-overflow:ellipsis}.header-icon-button{flex-shrink:0}.search-result{display:grid;gap:4px;width:100%;text-align:left;border:0;background:transparent;border-radius:var(--radius-sm);padding:8px;cursor:pointer;color:var(--text-soft)}.search-result:hover,.search-result:focus-visible{background:var(--surface-accent);outline:none}.search-result__meta{font-size:.75rem;color:var(--text-muted)}.search-result__title{display:inline-flex;align-items:center;gap:8px;font-size:.875rem;font-weight:500;color:var(--text)}.content-frame{display:flex;gap:0;flex:1;min-height:0;width:100%}.sidebar{width:224px;flex-shrink:0;background:#fffffff0;border-right:1px solid var(--border);padding:12px;max-height:calc(100vh - 63px);overflow:auto;position:relative;top:0;transition:width .28s ease,padding .28s ease,border-color .28s ease}.sidebar--collapsed{width:0;padding-left:0;padding-right:0;border-right-color:transparent}.sidebar__section+.sidebar__section{margin-top:8px}.sidebar__section button,.sidebar__section a,.tool-link{width:100%;text-align:left}.sidebar__category{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 12px;border-radius:var(--radius-sm);border:0;background:transparent;color:var(--text);cursor:pointer;font-size:1rem;line-height:1.5}.sidebar__category:hover{background:var(--surface-muted)}.sidebar__tool-list{display:grid;gap:4px;margin-top:4px}.tool-link{padding:8px 12px 8px 44px;border-radius:var(--radius-sm);border:0;background:transparent;color:var(--text-soft);cursor:pointer;display:flex;align-items:center;justify-content:flex-start;gap:8px;font-size:.875rem;line-height:1.5}.tool-link:hover,.tool-link:focus-visible{background:var(--surface-muted);color:var(--text);outline:none}.tool-link--active{background:var(--accent-soft);color:var(--accent);font-weight:500}.tool-link__label{display:inline-flex;align-items:center;gap:10px}.main-column{min-width:0;flex:1;display:grid;gap:0;padding:22px 0 36px;align-content:start}.main-column>*{width:min(85%,1600px);margin:0 auto}.main-column--home{padding-top:26px}.main-column--home>.home-page{width:min(100%,860px)}.page-banner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0;margin-bottom:24px}.page-banner__title{display:flex;align-items:center;gap:12px;min-width:0}.page-banner__text h1,.page-banner__text p{margin:0}.page-banner__text h1{font-size:1.5rem;font-weight:400;letter-spacing:0;line-height:1.5}.page-banner__actions{display:flex;align-items:center}.page-banner--immersive{margin-bottom:16px}.page-banner--tool{justify-content:flex-start}.page-banner--immersive .page-banner__text h1{font-size:1.25rem}.calculator-card{max-width:520px}.calculator-card__title{display:inline-flex;align-items:center;gap:8px}.calculator-display{padding:18px;border-radius:12px;border:1px solid rgba(148,163,184,.25);background:linear-gradient(180deg,#f8fafc,#f1f5f9)}.calculator-display__memory{min-height:20px;text-align:right;font-size:.82rem;color:var(--text-faint)}.calculator-display__value{margin-top:8px;text-align:right;font-family:SFMono-Regular,Consolas,monospace;font-size:clamp(2rem,6vw,2.75rem);font-weight:600;line-height:1.1;letter-spacing:-.04em;word-break:break-all}.calculator-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.calculator-key{min-height:54px;padding:0 12px;font-size:1.05rem;font-weight:600}.calculator-key--number{background:var(--surface)}.calculator-key--function{background:#f3f4f6}.calculator-key--operator{background:#dbeafe;border-color:#bfdbfe;color:#1d4ed8}.calculator-key--clear{background:#fee2e2;border-color:#fecaca;color:#b91c1c}.calculator-key--equals{background:#2563eb;color:#fff}.calculator-key--equals:hover{background:#1d4ed8}.calculator-science{padding-top:16px;border-top:1px solid var(--border)}.calculator-science__label{margin-bottom:10px;font-size:.82rem;font-weight:600;color:var(--text-faint)}.calculator-grid--science .calculator-key{min-height:46px;font-size:.95rem}.calculator-shortcuts{padding:12px 14px;border-radius:10px;border:1px solid #bfdbfe;background:#eff6ff;color:#1e3a8a;font-size:.8rem;line-height:1.5}.card{display:flex;flex-direction:column;gap:24px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:none}.card--markdown-tool{gap:16px}.card__header{display:grid;gap:6px;padding:24px 24px 0}.card--markdown-tool .card__header{gap:4px;padding-top:20px}.card--markdown-tool .card__description{max-width:60ch;font-size:.9375rem}.card__title{font-size:1rem;margin:0;font-weight:500;letter-spacing:0;line-height:1.2}.card__description{margin:0;color:var(--text-muted);font-size:1rem;line-height:1.5}.tool-workspace>.card>.card__header>.card__title{display:none}.tool-workspace>.invisible-chars-card>.card__header>.invisible-chars-card__title{display:inline-flex}.card__content{padding:0 24px 24px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;font-weight:500;transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;white-space:nowrap;font-size:.875rem;line-height:1.4}.button:hover{box-shadow:none}.button:focus-visible{outline:none;box-shadow:0 0 0 3px #7171822e}.button:disabled{opacity:.55;cursor:not-allowed;transform:none}.button--primary{background:var(--primary);color:#fff}.button--primary:hover{background:#111827}.button--secondary{background:var(--surface-soft);border-color:var(--border);color:var(--text)}.button--secondary:hover{background:#eaedf1}.button--outline{border-color:var(--border);background:var(--surface);color:var(--text)}.button--outline:hover{background:var(--surface-accent)}.button--ghost{background:transparent;color:var(--text)}.button--ghost:hover{background:var(--surface-accent)}.button--sm{min-height:32px;padding:0 12px}.button--md{min-height:36px;padding:0 16px}.button--lg{min-height:40px;padding:0 24px}.button--icon{width:36px;min-width:36px;min-height:36px;padding:0}.button svg{flex-shrink:0}.search-trigger.button{border-color:var(--border-strong);background:var(--surface);color:var(--text-muted);font-weight:400}.search-trigger.button:hover{background:var(--surface-muted);color:var(--text)}.input,.textarea{width:100%;border-radius:var(--radius-sm);border:1px solid transparent;background:var(--surface-soft);color:var(--text);padding:8px 12px;font-size:.875rem;line-height:1.5;transition:border-color .18s ease,box-shadow .18s ease}.input{min-height:36px}.textarea{min-height:64px;resize:vertical}.input::placeholder,.textarea::placeholder{color:var(--text-faint)}.input--mono,.textarea--mono{font-family:var(--font-mono);font-size:.875rem}.textarea--lg{min-height:192px}.input[readonly],.textarea[readonly]{background:var(--surface-soft);color:var(--text-soft)}.input:focus,.textarea:focus{outline:none;border-color:#71718266;box-shadow:0 0 0 3px #7171822e}.field{display:grid;gap:8px}.field__meta{display:grid;gap:4px}.field__label{font-size:.875rem;font-weight:500;line-height:1.2}.field__hint{color:var(--text-muted);font-size:.8125rem;line-height:1.5}.action-row,.button-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.button-row--between{justify-content:space-between}.button-row--tight{gap:8px}.two-column,.three-column,.quad-grid{display:grid;gap:16px}.two-column{grid-template-columns:repeat(2,minmax(0,1fr))}.three-column{grid-template-columns:repeat(3,minmax(0,1fr))}.quad-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px}.stat-grid--compact{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}.stat{padding:12px;border-radius:10px;background:var(--surface-muted);border:1px solid var(--border)}.stat--compact{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:8px 12px;border-radius:8px}.stat__label{color:var(--text-muted);font-size:.8125rem}.stat__value{margin-top:4px;font-weight:500;font-size:1rem}.stat--compact .stat__label{line-height:1.25}.stat--compact .stat__value{margin-top:0;flex-shrink:0;line-height:1.2;text-align:right}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;font-size:.75rem;background:var(--surface-accent);color:var(--text-soft);border:1px solid var(--border)}.badge--default{background:var(--surface-muted)}.badge--success{background:var(--accent-soft);color:var(--accent);border-color:transparent}.badge--warning{background:#d9770624;color:var(--warning)}.result-block{padding:14px;border-radius:10px;background:var(--surface-muted);border:1px solid var(--border);overflow:auto}.result-block pre{margin:0;white-space:pre-wrap;word-break:break-word;font-family:SFMono-Regular,Consolas,monospace;line-height:1.55}.empty-state{padding:24px;text-align:center;border-radius:20px;border:1px dashed var(--border-strong);background:#ffffffe6}.empty-state h3,.empty-state p{margin:0}.empty-state p{margin-top:8px;color:var(--text-muted)}.empty-state--search{display:grid;gap:14px;justify-items:center}.empty-state__action{display:inline-flex;align-items:center;gap:8px;text-decoration:none}.article-section+.article-section{margin-top:0}.article-section{display:grid;gap:14px}.article-section h2{margin:0;font-size:1.05rem;font-weight:600;line-height:1.45;letter-spacing:-.04em}.article-section__body{display:grid;gap:10px;max-width:38rem;color:#6a7282;font-size:.9375rem;line-height:1.8}.article-section__body p{color:var(--text-soft)}.article-section__body ul,.article-section__body ol{margin:0;padding:0;list-style:none;display:grid;gap:8px}.article-section__body li{position:relative;color:var(--text-soft)}.article-section__body ul li{padding-left:13px}.article-section__body ul li:before{content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;border-radius:999px;background:#d1d5dc}.article-section__body ol{counter-reset:article-step}.article-section__body ol li{min-height:20px;padding-left:30px;counter-increment:article-step}.article-section__body ol li:before{content:counter(article-step);position:absolute;left:0;top:.18em;display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:999px;background:#f3f4f6;color:#6a7282;font-size:.75rem;line-height:1}.site-footer{border-top:1px solid var(--border);background:var(--surface)}.site-footer__inner{width:min(100%,80rem);margin:0 auto;padding:14px 16px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:var(--text-muted);font-size:.75rem}.site-footer__links{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.site-footer__links a,.site-footer__links button{border:0;background:transparent;color:inherit;cursor:pointer;padding:0}.site-footer__links a:hover,.site-footer__links button:hover{color:var(--accent)}.site-footer__separator{color:var(--border-strong)}.scroll-top-button.button{position:fixed;right:calc(env(safe-area-inset-right,0px) + 18px);bottom:calc(env(safe-area-inset-bottom,0px) + 18px);z-index:60;width:46px;min-width:46px;min-height:46px;border-radius:999px;border-color:#94a3b83d;background:#ffffffe6;color:var(--text);box-shadow:0 16px 34px #0f172a1f;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);opacity:0;transform:translateY(12px) scale(.96);pointer-events:none;touch-action:manipulation;transition:opacity .22s ease,transform .22s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease}.scroll-top-button.button:hover{background:#fffffffa;border-color:#94a3b857;box-shadow:0 18px 38px #0f172a29}.scroll-top-button.button:focus-visible{box-shadow:0 0 0 3px #2563eb24,0 18px 38px #0f172a29}.scroll-top-button--visible.button{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}.toast-stack{position:fixed;right:18px;bottom:18px;z-index:70;display:grid;gap:10px}.toast{min-width:220px;max-width:360px;padding:12px 14px;border-radius:14px;box-shadow:var(--shadow);color:#fff;background:#0f172a}.toast--success{background:var(--success)}.toast--error{background:var(--danger)}.toast--warning{background:var(--warning)}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80;background:#0f172a52;padding:24px;display:grid;place-items:center}.modal__panel{width:min(680px,100%);max-height:min(85vh,880px);overflow:auto;background:#fff;border-radius:12px;border:1px solid var(--border);box-shadow:var(--shadow)}.modal__header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px 12px;border-bottom:1px solid var(--border)}.modal__header h2{margin:0;font-size:1rem;font-weight:500}.modal__content{padding:16px 20px 20px}.search-dialog__list{display:grid;gap:8px;margin-top:16px;max-height:300px;overflow:auto}.markdown-preview{color:#0a0a0a;font-size:1rem;line-height:1.7}.markdown-preview>:first-child{margin-top:0}.markdown-preview>:last-child{margin-bottom:0}.markdown-preview h1,.markdown-preview h2,.markdown-preview h3,.markdown-preview h4{color:#0a0a0a;font-weight:600;letter-spacing:-.03em;margin:0 0 24px}.markdown-preview h1{font-size:1.75rem;line-height:1.3}.markdown-preview h2{font-size:1.25rem;line-height:1.4}.markdown-preview h3{font-size:1.125rem;line-height:1.45}.markdown-preview p,.markdown-preview ul,.markdown-preview ol,.markdown-preview pre,.markdown-preview blockquote,.markdown-preview table,.markdown-preview hr{margin:0 0 24px}.markdown-preview ul,.markdown-preview ol{padding-left:1.35rem}.markdown-preview li+li{margin-top:10px}.markdown-preview li::marker{color:#6a7282}.markdown-preview code,.inline-code{display:inline-flex;align-items:center;padding:2px 6px;background:#eff2f7;border:1px solid rgba(0,0,0,.04);border-radius:8px;color:#0a0a0a;font-family:var(--font-mono);font-size:.875em}.markdown-preview pre{padding:14px 16px;border-radius:10px;background:#f3f4f6;border:1px solid rgba(0,0,0,.08);color:#0a0a0a;overflow:auto}.markdown-preview pre code{display:block;padding:0;border:0;background:transparent;border-radius:0;color:inherit;font-size:.9375rem;line-height:1.7}.markdown-preview blockquote{padding-left:16px;border-left:4px solid #d1d5dc;color:#364153}.markdown-preview blockquote p{margin-bottom:0}.markdown-preview hr{border:0;border-top:1px solid #d1d5dc}.markdown-preview a{color:#155dfc;text-decoration:none}.markdown-preview a:hover{text-decoration:underline}.markdown-preview img{width:100%;max-width:100%;border-radius:12px;border:1px solid rgba(0,0,0,.08);object-fit:cover}.markdown-preview table{width:100%;border-collapse:collapse;font-size:.875rem}.markdown-preview th,.markdown-preview td{padding:10px 12px;border:1px solid #e5e7eb;text-align:left;vertical-align:top}.markdown-preview th{background:#f9fafb;font-weight:600}.markdown-preview .task-list-item{list-style:none;display:flex;align-items:flex-start;gap:10px;margin-left:-1.35rem}.task-list-item__check{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;margin-top:3px;border-radius:5px;border:1px solid #d1d5dc;background:#fff;color:transparent;font-size:.75rem;font-weight:700}.task-list-item__check--checked{border-color:#155dfc;background:#155dfc;color:#fff}.tool-seo{display:grid;gap:20px}.tool-seo--compact{gap:16px}.workspace-card--compact>.card__content{padding-top:16px}.base-converter-card{border-radius:14px;border-color:#0000001a}.base-converter-card .card__header{gap:6px}.base-converter-card .card__description{font-size:.9375rem}.base-converter-panel{display:grid;gap:16px}.base-converter-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.base-converter__field{gap:8px}.base-converter__field .field__label{font-size:.875rem;font-weight:600;letter-spacing:-.01em}.base-converter__input.input{min-height:36px;border-color:transparent;background:#f3f3f5;color:#111827;box-shadow:none}.base-converter__input.input::placeholder{color:#717182}.base-converter__input.input:focus{border-color:#2563eb38;box-shadow:0 0 0 3px #2563eb1f}.base-converter-tip{border-radius:10px;background:#eff6ff;color:#364153;padding:16px}.base-converter-tip p{margin:0;font-size:.875rem;line-height:1.45}.base-converter-tip strong{font-weight:700}.base-converter-tip--error{background:#fef2f2;color:#991b1b}.fibonacci-tool{gap:22px;border-radius:14px;border-color:#0000001a}.fibonacci-tool__content{display:grid;gap:16px}.fibonacci-tool__formula{display:grid;gap:4px;padding:12px;border-radius:10px;background:#eff6ff;color:#364153}.fibonacci-tool__formula-title{font-size:.875rem;font-weight:700;line-height:1.45}.fibonacci-tool__formula p{margin:0;font-size:.875rem;line-height:1.45}.fibonacci-tool__form{display:grid;gap:16px}.fibonacci-tool__field{display:grid;gap:8px}.fibonacci-tool__label{font-size:1rem;font-weight:400;line-height:1.5;letter-spacing:-.02em}.fibonacci-tool__input.input{min-height:36px;border-color:transparent;background:#f3f3f5;color:#111827}.fibonacci-tool__input.input::placeholder{color:#717182}.fibonacci-tool__input.input:focus{border-color:#2563eb38;box-shadow:0 0 0 3px #2563eb1f}.fibonacci-tool__hint{margin:0;color:#6a7282;font-size:.75rem;line-height:1.35}.fibonacci-tool__submit.button{width:100%;min-height:36px;border-radius:8px}.fibonacci-tool__result{display:grid;gap:8px}.fibonacci-tool__result-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.fibonacci-tool__result-head h3{margin:0;font-size:1rem;font-weight:400;line-height:1.5;letter-spacing:-.02em}.fibonacci-tool__copy.button{color:#364153}.fibonacci-tool__copy.button:hover{background:#f3f4f6}.fibonacci-tool__output{min-height:384px;max-height:384px;overflow:auto;padding:17px;border:1px solid rgba(0,0,0,.1);border-radius:10px;background:#f9fafb}.fibonacci-tool__output pre{margin:0;color:#0a0a0a;font-family:var(--font-mono);font-size:.875rem;line-height:1.45;white-space:pre-wrap;word-break:break-word}.markdown-tool{gap:18px}.markdown-tool__panel{gap:8px}.markdown-tool__panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.markdown-tool__mode-switch{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:center;padding:3px;border-radius:999px;background:#ececf0f2}.markdown-tool__mode-button{min-height:29px;border:0;border-radius:999px;background:transparent;color:#0a0a0a;cursor:pointer;font-size:.875rem;font-weight:500;transition:background .18s ease,color .18s ease,box-shadow .18s ease}.markdown-tool__mode-button:hover{color:#111827}.markdown-tool__mode-button--active{background:#fff;box-shadow:0 1px 2px #0f172a14}.markdown-tool__workspace{display:grid;gap:16px;align-items:start}.markdown-tool__workspace--split{grid-template-columns:repeat(2,minmax(0,1fr))}.markdown-tool__toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:6px;border-radius:8px;border:1px solid rgba(0,0,0,.08);background:#ececf04d}.markdown-tool__toolbar-divider{width:1px;min-height:16px;background:#0000001a;margin:0 2px}.markdown-tool__tool-button{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border:0;border-radius:6px;background:transparent;color:#6a7282;cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease}.markdown-tool__tool-button:hover{background:#ffffffe6;color:#111827}.markdown-tool__tool-button:focus-visible,.markdown-tool__mode-button:focus-visible{outline:none;box-shadow:0 0 0 3px #2563eb24}.markdown-tool__tool-button--text{width:auto;min-width:38px;padding:0 8px;font-family:var(--font-mono);font-size:.75rem;font-weight:700;letter-spacing:-.02em}.markdown-tool__textarea.textarea{min-height:384px;padding:12px;border-radius:8px;border:1px solid rgba(0,0,0,.04);background:#f3f3f5;color:#717182;line-height:1.7;resize:vertical}.markdown-tool__textarea.textarea:focus{border-color:#155dfc33;box-shadow:0 0 0 3px #155dfc1a}.markdown-tool__preview.result-block{min-height:384px;padding:16px;border-radius:10px;border-color:#0000001a;background:#fff}.markdown-tool__preview-empty{min-height:350px;display:flex;align-items:center;justify-content:center;gap:10px;color:var(--text-muted);text-align:center}.markdown-tool__actions{align-items:center}.card--plantuml-tool{gap:0;overflow:hidden;border-radius:16px;border-color:#0f172a14;background:linear-gradient(180deg,#fff,#fcfcfd);box-shadow:0 20px 48px #0f172a0f}.card--plantuml-tool .card__header{gap:20px;padding:28px 28px 24px;border-bottom:1px solid rgba(15,23,42,.06);background:radial-gradient(circle at top right,rgba(43,127,255,.12),transparent 26%),linear-gradient(180deg,#fff,#fbfcff)}.card--plantuml-tool .card__content{padding:24px 28px 28px}.plantuml-tool{display:grid;gap:20px}.plantuml-tool__hero{gap:20px}.plantuml-tool__hero-head{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.plantuml-tool__hero-copy{display:grid;gap:0;max-width:60ch}.plantuml-tool__hero-description{max-width:62ch;font-size:.95rem;line-height:1.7}.plantuml-tool__hero-stats{display:grid;grid-template-columns:repeat(3,minmax(92px,1fr));gap:10px;min-width:310px}.plantuml-tool__badges{display:flex;flex-wrap:wrap;gap:8px}.plantuml-tool__hero-stat{display:grid;gap:6px;padding:12px 14px;border-radius:12px;border:1px solid rgba(15,23,42,.08);background:#f9fafbeb}.plantuml-tool__hero-stat span{color:#667085;font-size:.75rem}.plantuml-tool__hero-stat strong{color:#101828;font-size:1rem;font-weight:600}.plantuml-tool__toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.plantuml-tool__toolbar-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.plantuml-tool__toolbar-group--end{margin-left:auto}.plantuml-tool__template-select.input{min-width:156px;background:#fff;border-color:#0f172a1a;box-shadow:none}.plantuml-tool__format-switch{display:inline-flex;align-items:center;gap:2px;padding:2px;border-radius:10px;border:1px solid rgba(15,23,42,.08);background:#f3f4f6}.plantuml-tool__format-button{min-width:48px;height:28px;border:0;border-radius:8px;background:transparent;color:#667085;cursor:pointer;font-size:.75rem;font-weight:600;transition:background .18s ease,color .18s ease,box-shadow .18s ease}.plantuml-tool__format-button--active{background:#fff;color:#101828;box-shadow:0 1px 3px #1018281a,0 1px 2px #10182814}.plantuml-tool__render-button.button{min-height:36px;padding:0 14px;border-radius:10px}.plantuml-tool__shortcut{margin-left:4px;padding-left:8px;border-left:1px solid rgba(255,255,255,.22);font-size:.72rem;opacity:.72}.plantuml-tool__icon-button.button{border-radius:10px;color:#4a5565}.plantuml-tool__icon-button.button:hover{background:#f3f4f6}.plantuml-tool__workspace{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.plantuml-tool__panel-card{display:flex;flex-direction:column;min-height:592px;overflow:hidden;border-radius:14px;border:1px solid rgba(15,23,42,.08);background:#fff;box-shadow:0 10px 28px #0f172a0d}.plantuml-tool__panel-top,.plantuml-tool__status,.plantuml-tool__breadcrumb{display:flex;align-items:center;justify-content:space-between;gap:12px}.plantuml-tool__panel-top{padding:10px 14px;border-bottom:1px solid var(--border);background:#f9fafb}.plantuml-tool__panel-label{color:#4a5565;font-size:.8125rem;font-weight:500}.plantuml-tool__panel-meta{color:#99a1af;font-size:.75rem}.plantuml-tool__status{justify-content:flex-start;align-items:flex-start;flex-wrap:wrap}.plantuml-tool__status-copy{color:var(--text-muted);font-size:.875rem;line-height:1.6}.plantuml-tool__editor.textarea{flex:1;min-height:488px;padding:18px 16px;border:0;border-radius:0;background:#101828;color:#e5f7ee;box-shadow:none;line-height:1.65;resize:vertical}.plantuml-tool__editor.textarea:focus{border:0;box-shadow:inset 0 0 0 1px #2b7fff47}.plantuml-tool__editor.textarea::placeholder{color:#05df728c}.plantuml-tool__panel-bottom{display:grid;gap:12px;padding:12px 14px 14px;border-top:1px solid rgba(15,23,42,.08);background:#fff}.plantuml-tool__panel-actions{justify-content:flex-start}.plantuml-tool__copy-link.button{min-height:auto;padding:0;color:var(--accent)}.plantuml-tool__copy-link.button:hover{background:transparent;color:var(--accent-strong)}.plantuml-tool__preview-stage{position:relative;flex:1;min-height:488px;overflow:auto;background:#fff;display:grid;place-items:center}.plantuml-tool__preview-surface{width:100%;min-height:inherit;display:flex;align-items:center;justify-content:center;padding:28px;background:radial-gradient(circle at top,rgba(37,99,235,.05),transparent 34%),#fff}.plantuml-tool__preview-stage .empty-state{max-width:360px}.plantuml-tool__preview-loading{position:absolute;top:18px;right:18px;bottom:18px;left:18px;display:grid;place-items:center;border-radius:14px;background:#ffffffd1;color:var(--text-muted);font-size:.9375rem;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.plantuml-tool__preview-image{display:block;max-width:100%;width:auto;height:auto;max-height:100%;background:#fff;transition:opacity .18s ease,transform .18s ease}.plantuml-tool__preview-image--loading{opacity:.32;transform:scale(.995)}.plantuml-tool__preview-note{margin:0;color:var(--text-muted);font-size:.82rem;line-height:1.6}.plantuml-tool__reference{display:grid;gap:14px;padding:18px 20px;border-radius:14px;border:1px solid rgba(15,23,42,.08);background:#fff;box-shadow:0 10px 26px #0f172a0a}.plantuml-tool__reference-title{color:#364153;font-size:1.05rem;font-weight:500}.plantuml-tool__reference-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 24px}.plantuml-tool__reference-item{display:flex;align-items:baseline;gap:8px;min-width:0;color:var(--text-muted);font-size:.95rem;line-height:1.65}.plantuml-tool__reference-item code{padding:0;background:transparent;color:#155dfc;font-family:var(--font-mono);font-size:.95rem;white-space:nowrap}.plantuml-tool__details{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:32px;align-items:start}.plantuml-tool__article{display:grid;gap:28px}.plantuml-tool__breadcrumb{justify-content:flex-start;flex-wrap:wrap;color:var(--text-muted);font-size:.85rem}.plantuml-tool__breadcrumb span{display:inline-flex;align-items:center}.plantuml-tool__breadcrumb span+span:before{content:"/";margin-right:8px;color:#d1d5db}.plantuml-tool__info-section,.plantuml-tool__sidebar-card,.plantuml-tool__faq-item{display:grid;gap:12px}.plantuml-tool__info-section h3,.plantuml-tool__faq-card h3,.plantuml-tool__sidebar-card h3{margin:0;font-size:1.05rem;color:#101828}.plantuml-tool__info-section p,.plantuml-tool__faq-item p,.plantuml-tool__sidebar-card p{margin:0;color:var(--text-muted);line-height:1.8}.plantuml-tool__bullet-list,.plantuml-tool__sidebar-list,.plantuml-tool__step-list{margin:0;padding:0;list-style:none}.plantuml-tool__bullet-list,.plantuml-tool__sidebar-list{display:grid;gap:10px}.plantuml-tool__bullet-list li,.plantuml-tool__sidebar-list li{position:relative;padding-left:16px;color:var(--text-muted);line-height:1.75}.plantuml-tool__bullet-list li:before,.plantuml-tool__sidebar-list li:before{content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;border-radius:999px;background:#d1d5dc}.plantuml-tool__step-list{display:grid;gap:12px}.plantuml-tool__step-list li{display:flex;align-items:flex-start;gap:12px;color:var(--text-muted);line-height:1.75}.plantuml-tool__step-index{display:inline-flex;width:22px;height:22px;flex:0 0 22px;align-items:center;justify-content:center;border-radius:999px;background:#f3f4f6;color:#6a7282;font-size:.75rem}.plantuml-tool__faq-card{display:grid;gap:14px;padding:18px 20px;border-radius:14px;border:1px solid #f1f3f5;background:#f9fafbd6}.plantuml-tool__faq-item strong{color:#1e2939;font-size:.95rem}.plantuml-tool__sidebar{display:grid;gap:18px}.plantuml-tool__sidebar-card{padding:18px 18px 20px;border-radius:14px;border:1px solid #f1f3f5;background:#f9fafbd1}.plantuml-tool__related-grid{display:flex;flex-wrap:wrap;gap:8px}.plantuml-tool__related-button.button{border-radius:10px;background:#fff}.mermaid-tool{display:grid;gap:16px}.mermaid-tool__toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.mermaid-tool__toolbar-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.mermaid-tool__toolbar-group--end{margin-left:auto}.mermaid-tool__template-wrap{position:relative}.mermaid-tool__template-select.input{min-width:122px;padding-right:34px;border-radius:8px;border-color:#0f172a1a;background:#fff;box-shadow:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}.mermaid-tool__template-icon{position:absolute;right:10px;top:50%;transform:translateY(-50%);pointer-events:none;color:#6a7282}.mermaid-tool__render-button.button{min-height:32px;padding:0 12px;border-radius:8px;gap:6px}.mermaid-tool__shortcut{padding-left:8px;border-left:1px solid rgba(255,255,255,.18);font-size:.72rem;opacity:.78}.mermaid-tool__zoom{display:inline-flex;align-items:center;gap:4px;min-height:26px;padding:2px;border-radius:8px;background:#f3f4f6}.mermaid-tool__zoom-button{display:inline-flex;width:22px;height:22px;align-items:center;justify-content:center;border:0;border-radius:6px;background:transparent;color:#6a7282;cursor:pointer;transition:background .18s ease,color .18s ease}.mermaid-tool__zoom-button:hover:not(:disabled),.mermaid-tool__zoom-button:focus-visible{outline:none;background:#fff;color:#101828}.mermaid-tool__zoom-button:disabled{opacity:.4;cursor:not-allowed}.mermaid-tool__zoom-value{min-width:38px;color:#4a5565;font-size:.75rem;text-align:center}.mermaid-tool__icon-button.button{color:#4a5565;border-radius:8px}.mermaid-tool__icon-button.button:hover{background:#f3f4f6}.mermaid-tool__format-switch{display:inline-flex;align-items:center;gap:2px}.mermaid-tool__format-button{min-width:40px;height:28px;padding:0 8px;border:0;border-radius:8px;background:transparent;color:#6a7282;font-size:.75rem;cursor:pointer;transition:background .18s ease,color .18s ease}.mermaid-tool__format-button:hover,.mermaid-tool__format-button:focus-visible{outline:none;background:#f3f4f6;color:#101828}.mermaid-tool__format-button--active{color:#111827;font-weight:600}.mermaid-tool__workspace{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.mermaid-tool__panel{display:flex;min-height:540px;flex-direction:column;overflow:hidden;border-radius:14px;border:1px solid rgba(15,23,42,.1);background:#fff}.mermaid-tool__panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#f9fafb}.mermaid-tool__panel-label{color:#6a7282;font-size:.75rem;line-height:1.35}.mermaid-tool__panel-meta{color:#99a1af;font-size:.75rem;line-height:1.35}.mermaid-tool__panel-meta--error{color:#dc2626}.mermaid-tool__editor{flex:1;min-height:480px;padding:16px;border:0;background:#101828;color:#d5f5e1;font-family:var(--font-mono);font-size:.875rem;line-height:1.625;resize:vertical}.mermaid-tool__editor:focus{outline:none;box-shadow:inset 0 0 0 1px #2563eb47}.mermaid-tool__editor::placeholder{color:#05df728c}.mermaid-tool__preview-stage{position:relative;display:grid;flex:1;min-height:480px;place-items:center;overflow:auto;background:#fff}.mermaid-tool__preview-shell{width:100%;min-height:100%}.mermaid-tool__preview-surface{display:flex;min-height:100%;min-width:100%;align-items:center;justify-content:center;padding:24px;transform-origin:center top;transition:opacity .18s ease,transform .18s ease}.mermaid-tool__preview-surface--loading{opacity:.4}.mermaid-tool__preview-diagram{transform-origin:center center}.mermaid-tool__preview-diagram svg{display:block;width:auto;max-width:none;height:auto}.mermaid-tool__loading-overlay{position:absolute;top:16px;right:16px;bottom:16px;left:16px;display:grid;place-items:center;border-radius:12px;background:#ffffffb8;color:#4b5563;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.mermaid-tool__message-overlay{position:absolute;left:16px;right:16px;bottom:16px;display:grid;gap:2px;padding:10px 12px;border-radius:12px;color:#1f2937;font-size:.8125rem;line-height:1.45;pointer-events:none;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.mermaid-tool__message-overlay strong{font-size:.8125rem}.mermaid-tool__message-overlay--error{border:1px solid rgba(239,68,68,.18);background:#fef2f2f0;color:#991b1b}.mermaid-tool__reference{display:grid;gap:8px;padding:16px 18px;border-radius:14px;border:1px solid rgba(15,23,42,.1);background:#fff}.mermaid-tool__reference-title{margin:0;color:#364153;font-size:1rem;font-weight:500;line-height:1.5}.mermaid-tool__reference-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 24px}.mermaid-tool__reference-item{display:flex;align-items:baseline;gap:6px;min-width:0;color:#6a7282;font-size:.95rem;line-height:1.6}.mermaid-tool__reference-item code{padding:0;background:transparent;color:#155dfc;font-family:var(--font-mono);font-size:.95rem;white-space:nowrap}.mermaid-tool__details{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;padding-top:18px;border-top:1px solid #eceff3}.mermaid-tool__article{display:grid;gap:28px}.mermaid-tool__breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:#6a7282;font-size:.85rem}.mermaid-tool__breadcrumb span+span:before{content:"/";margin-right:8px;color:#d1d5db}.mermaid-tool__info-section,.mermaid-tool__sidebar-card,.mermaid-tool__faq-item{display:grid;gap:12px}.mermaid-tool__info-section h3,.mermaid-tool__faq-card h3,.mermaid-tool__sidebar-card h3{margin:0;color:#111827;font-size:1.05rem}.mermaid-tool__info-section p,.mermaid-tool__faq-item p,.mermaid-tool__sidebar-card p{margin:0;color:#6b7280;line-height:1.8}.mermaid-tool__bullet-list,.mermaid-tool__sidebar-list,.mermaid-tool__step-list{margin:0;padding:0;list-style:none}.mermaid-tool__bullet-list,.mermaid-tool__sidebar-list{display:grid;gap:10px}.mermaid-tool__bullet-list li,.mermaid-tool__sidebar-list li{position:relative;padding-left:16px;color:#6b7280;line-height:1.75}.mermaid-tool__bullet-list li:before,.mermaid-tool__sidebar-list li:before{content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;border-radius:999px;background:#d1d5db}.mermaid-tool__step-list{display:grid;gap:12px}.mermaid-tool__step-list li{display:flex;align-items:flex-start;gap:12px;color:#6b7280;line-height:1.75}.mermaid-tool__step-index{display:inline-flex;width:22px;height:22px;flex:0 0 22px;align-items:center;justify-content:center;border-radius:999px;background:#f3f4f6;color:#6a7282;font-size:.75rem}.mermaid-tool__faq-card{display:grid;gap:14px;padding:18px 20px;border-radius:14px;border:1px solid #f1f3f5;background:#f9fafbd6}.mermaid-tool__faq-item strong{color:#1e2939;font-size:.95rem}.mermaid-tool__sidebar{display:grid;gap:18px}.mermaid-tool__sidebar-card{padding:18px;border-radius:14px;border:1px solid #f1f3f5;background:#f9fafbd1}.mermaid-tool__related-grid{display:flex;flex-wrap:wrap;gap:8px}.mermaid-tool__related-button.button{border-radius:10px;background:#fff}@media (max-width: 640px){.card--plantuml-tool .card__header,.card--plantuml-tool .card__content{padding-left:16px;padding-right:16px}.plantuml-tool__hero-stats{grid-template-columns:1fr}.plantuml-tool__toolbar-group,.plantuml-tool__template-select.input,.plantuml-tool__render-button.button{width:100%}.plantuml-tool__panel-top{flex-direction:column;align-items:stretch}.plantuml-tool__copy-link.button{justify-content:flex-start}.mermaid-tool__toolbar-group,.mermaid-tool__template-wrap,.mermaid-tool__template-select.input,.mermaid-tool__render-button.button{width:100%}}@media (max-width: 760px){.mermaid-tool__workspace,.mermaid-tool__details,.mermaid-tool__reference-grid{grid-template-columns:1fr}.mermaid-tool__toolbar{align-items:stretch;flex-direction:column}.mermaid-tool__toolbar-group--end{margin-left:0}.mermaid-tool__panel{min-height:auto}.mermaid-tool__editor,.mermaid-tool__preview-stage{min-height:360px}.mermaid-tool__reference-item{flex-wrap:wrap}}.card--word-pdf-tool{background:radial-gradient(circle at top right,rgba(37,99,235,.07),transparent 24%),linear-gradient(180deg,#fffffff5,#ffffffeb)}.word-pdf-tool{display:grid;gap:18px}.word-pdf-tool__badges{display:flex;flex-wrap:wrap;gap:8px}.word-pdf-tool__layout{display:grid;grid-template-columns:minmax(300px,360px) minmax(0,1fr);gap:18px;align-items:start}.word-pdf-tool__panel{display:grid;gap:16px;padding:18px;border-radius:18px;border:1px solid rgba(15,23,42,.08);background:#fffffff0;box-shadow:var(--shadow-soft)}.word-pdf-tool__panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.word-pdf-tool__upload{display:grid;gap:10px;justify-items:start;padding:16px;border-radius:14px;border:1px dashed rgba(37,99,235,.24);background:linear-gradient(180deg,#f8fafcf5,#fffffff5);transition:border-color .18s ease,background .18s ease,box-shadow .18s ease}.word-pdf-tool__upload--dragging{border-color:#2563eb8f;background:#eff6ffe6;box-shadow:0 0 0 4px #2563eb14}.word-pdf-tool__file-trigger.button{min-width:min(100%,240px)}.word-pdf-tool__native-input-wrap{display:grid;gap:6px;width:100%}.word-pdf-tool__native-input-label{color:var(--text-muted);font-size:.8125rem;line-height:1.5}.word-pdf-tool__native-input{width:100%;min-height:42px;color:var(--text-soft);font:inherit}.word-pdf-tool__upload-note{color:var(--text-muted);font-size:.875rem;line-height:1.6}.word-pdf-tool__actions .button{flex:1 1 calc(50% - 4px)}.word-pdf-tool__file-card{display:grid;gap:8px;padding:14px;border-radius:14px;border:1px solid var(--border);background:linear-gradient(180deg,#f8fafcf5,#fffffff5)}.word-pdf-tool__file-name{font-weight:600;color:var(--text);word-break:break-word}.word-pdf-tool__file-status{color:var(--text-muted);font-size:.875rem;line-height:1.6}.word-pdf-tool__message-list{display:grid;gap:10px}.word-pdf-tool__message{display:grid;gap:8px;padding:12px 14px;border-radius:12px;border:1px solid rgba(15,23,42,.08);background:#f8fafceb;color:var(--text-soft);font-size:.875rem;line-height:1.6}.word-pdf-tool__preview.result-block{min-height:520px;padding:20px;border-radius:18px;background:linear-gradient(135deg,#f8fafcfa,#f1f5f9f2)}.word-pdf-rendered{width:min(210mm,100%);min-height:460px;margin:0 auto;padding:24px 28px;border-radius:16px;border:1px solid rgba(15,23,42,.08);background:#fff;box-shadow:0 16px 40px #0f172a14;color:#0f172a;line-height:1.75}.word-pdf-rendered>:first-child{margin-top:0}.word-pdf-rendered>:last-child{margin-bottom:0}.word-pdf-rendered h1,.word-pdf-rendered h2,.word-pdf-rendered h3,.word-pdf-rendered h4,.word-pdf-rendered h5,.word-pdf-rendered h6{color:#0f172a;line-height:1.25}.word-pdf-rendered p,.word-pdf-rendered ul,.word-pdf-rendered ol,.word-pdf-rendered table,.word-pdf-rendered blockquote,.word-pdf-rendered pre{margin:0 0 16px}.word-pdf-rendered ul,.word-pdf-rendered ol{padding-left:22px}.word-pdf-rendered li+li{margin-top:6px}.word-pdf-rendered table{width:100%;border-collapse:collapse;font-size:.875rem}.word-pdf-rendered th,.word-pdf-rendered td{padding:10px 12px;border:1px solid #dbe1ea;text-align:left;vertical-align:top}.word-pdf-rendered th{background:#f8fafc}.word-pdf-rendered blockquote{margin-left:0;padding-left:16px;border-left:4px solid #cbd5e1;color:#475569}.word-pdf-rendered pre{overflow:auto;padding:16px;border-radius:12px;border:1px solid #e2e8f0;background:#f8fafc;white-space:pre-wrap;word-break:break-word}.word-pdf-rendered code{padding:2px 6px;border-radius:6px;background:#eff3f8;font-family:var(--font-mono);font-size:.92em}.word-pdf-rendered pre code{padding:0;background:transparent}.word-pdf-rendered img{max-width:100%;height:auto}.word-pdf-tool__notes{display:grid;gap:10px}.tool-seo h2,.tool-seo h3,.tool-seo p{margin:0}.json-diff{gap:16px}.json-diff__mode-bar{display:grid;grid-template-columns:auto auto 1fr;align-items:center;gap:12px;padding:12px;border:1px solid rgba(0,0,0,.1);border-radius:var(--radius);background:var(--surface-muted)}.json-diff__mode-label{color:#4a5565;font-size:.875rem}.json-diff__mode-switch{display:inline-flex;flex-wrap:wrap;gap:4px}.json-diff__mode-button.button{border-color:transparent;color:#4a5565;box-shadow:none}.json-diff__mode-button.button:hover{background:#e2e8f0cc}.json-diff__mode-button--active.button,.json-diff__mode-button--active.button:hover{border-color:#bedbff;background:var(--surface);color:#1447e6;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000001a}.json-diff__mode-note{justify-self:end;color:#99a1af;font-size:.75rem;line-height:1.4;text-align:right}.json-diff__editors{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.json-diff__editor-panel{display:grid;gap:8px}.json-diff__editor-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.json-diff__editor-title{font-size:1rem;font-weight:500}.json-diff__textarea.textarea{min-height:288px;resize:vertical;background:#f3f3f5}.json-diff__toolbar{display:flex;gap:8px;align-items:stretch}.json-diff__compare-button.button{flex:1 1 auto;min-width:0}.json-diff__toolbar-secondary{display:flex;flex-wrap:wrap;gap:8px}.json-diff__summary{display:flex;align-items:center;justify-content:space-between;gap:16px}.json-diff__summary-badges{display:flex;flex-wrap:wrap;gap:8px}.json-diff__badge{display:inline-flex;align-items:center;justify-content:center;min-height:22px;padding:0 9px;border:1px solid var(--border);border-radius:8px;font-size:.75rem;font-weight:500}.json-diff__badge--added{background:#f0fdf4;border-color:#b9f8cf;color:#008236}.json-diff__badge--deleted{background:#fef2f2;border-color:#ffc9c9;color:#c10007}.json-diff__badge--modified{background:#fefce8;border-color:#fff085;color:#a65f00}.json-diff__badge--same{background:#f9fafb;border-color:#e5e7eb;color:#364153}.json-diff__badge--total{background:#eff6ff;border-color:#bedbff;color:#1447e6}.json-diff__summary-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.json-diff__table-shell{display:flex;flex-direction:column;border:1px solid rgba(0,0,0,.1);border-radius:var(--radius);background:var(--surface);min-height:220px;height:312px;resize:vertical;overflow:auto}.json-diff__table-scroll{flex:1 1 auto;min-height:0;max-height:none;overflow:auto}.json-diff__table{width:100%;border-collapse:collapse;table-layout:fixed}.json-diff__table th,.json-diff__table td{border-bottom:1px solid rgba(0,0,0,.1);padding:10px 16px;text-align:left}.json-diff__table thead th{position:sticky;top:0;z-index:1;background:#f9fafb;color:#0a0a0a;font-size:.875rem;font-weight:700}.json-diff__table th:first-child,.json-diff__table td:first-child{width:88px}.json-diff__path-cell,.json-diff__value-cell{font-family:var(--font-mono);font-size:.75rem;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.json-diff__row--modified{background:#fefce8}.json-diff__row--added{background:#f0fdf4}.json-diff__row--deleted{background:#fef2f2}.json-diff__row--same{background:var(--surface)}.json-diff__status-pill{display:inline-flex;align-items:center;justify-content:center;min-width:26px;min-height:22px;border:1px solid rgba(0,0,0,.1);border-radius:8px;font-size:.75rem;font-weight:600}.json-diff__status-pill--added{background:#dcfce7;color:#008236}.json-diff__status-pill--deleted{background:#fee2e2;color:#c10007}.json-diff__status-pill--modified{background:#fef9c2;color:#a65f00}.json-diff__status-pill--same{background:#f3f4f6;color:#364153}.json-diff__value-cell--old{color:#e7000b}.json-diff__value-cell--new{color:#00a63e}.json-diff__row--same .json-diff__value-cell--old,.json-diff__row--same .json-diff__value-cell--new{color:var(--text)}.json-diff__empty{display:flex;flex:1 1 auto;align-items:center;justify-content:center;min-height:100%;padding:24px;color:var(--text-muted);font-size:.9375rem;text-align:center}.json-editor{display:grid;gap:16px}.json-editor__file-input{display:none}.json-editor__toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-start;justify-content:space-between}.json-editor__toolbar-group{display:flex;flex-wrap:wrap;gap:8px}.json-editor__layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(300px,1fr);gap:16px;align-items:start}.json-editor__main,.json-editor__sidebar{display:grid;gap:16px}.json-editor__editor-shell,.json-editor__panel{display:grid;gap:12px;padding:14px;border:1px solid rgba(0,0,0,.1);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-soft)}.json-editor__editor-status,.json-editor__panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.json-editor__status-block{display:grid;gap:6px}.json-editor__panel-head h3{margin:0;font-size:1rem;font-weight:600}.json-editor__panel-head span,.json-editor__status-meta,.json-editor__status-summary{color:var(--text-muted);font-size:.8125rem;line-height:1.45}.json-editor__status-pill{display:inline-flex;align-items:center;justify-content:center;min-height:26px;padding:0 10px;border:1px solid var(--border);border-radius:999px;font-size:.8125rem;font-weight:600;width:fit-content}.json-editor__status-pill--idle,.json-editor__status-pill--pending{background:#f9fafb;color:#364153}.json-editor__status-pill--valid{background:#f0fdf4;border-color:#b9f8cf;color:#008236}.json-editor__status-pill--invalid{background:#fef2f2;border-color:#ffc9c9;color:#c10007}.json-editor__message{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;min-height:92px;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#f9fafb}.json-editor__message--error{border-color:#ffc9c9;background:#fef2f2}.json-editor__message-copy{display:grid;gap:6px;color:var(--text-soft);font-size:.875rem;line-height:1.45}.json-editor__message-copy strong{color:var(--text)}.json-editor__message--error .json-editor__message-copy strong,.json-editor__message--error .json-editor__message-detail{color:#7f1d1d}.json-editor__message-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.json-editor__message-detail{color:var(--text-muted);font-size:.8125rem}.json-editor__insert-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border:1px solid rgba(0,0,0,.08);border-radius:var(--radius-sm);background:#fbfbfc}.json-editor__insert-label{flex-shrink:0;color:var(--text-soft);font-size:.8125rem;font-weight:600}.json-editor__insert-hint{color:var(--text-muted);font-size:.75rem;line-height:1.45}.json-editor__insert-actions{display:flex;flex-wrap:wrap;gap:8px}.json-editor__editor-board{display:grid;grid-template-columns:auto minmax(0,1fr);min-height:520px;border:1px solid rgba(0,0,0,.08);border-radius:var(--radius-sm);overflow:hidden;background:#f3f3f5}.json-editor__gutter{min-width:56px;padding:10px 0;overflow:hidden auto;border-right:1px solid rgba(0,0,0,.08);background:#eef0f3;color:#99a1af;text-align:right}.json-editor__line-number{display:block;width:100%;padding:0 12px;border:0;background:transparent;color:inherit;font-family:var(--font-mono);font-size:.8125rem;line-height:1.6;text-align:right;cursor:pointer}.json-editor__line-number:hover,.json-editor__line-number:focus-visible{background:#2563eb14;color:#1447e6;outline:none}.json-editor__line-number--active{background:#2563eb1f;color:#1447e6;font-weight:700}.json-editor__line-number--error{background:#dc26261a;color:#c10007;font-weight:700}.json-editor__editor-stage{position:relative;min-width:0;overflow:hidden}.json-editor__error-highlight{position:absolute;left:0;right:0;pointer-events:none;border-radius:4px;background:#dc26261f;box-shadow:inset 3px 0 #dc2626bf}.json-editor__textarea.textarea{position:relative;z-index:1;min-height:520px;height:100%;padding:12px 14px;border:0;border-radius:0;background:transparent;box-shadow:none;resize:none;line-height:1.6}.json-editor__textarea.textarea:focus{border-color:transparent;box-shadow:none}.json-editor__path-list{display:grid;gap:8px;max-height:320px;overflow:auto}.json-editor__empty{padding:12px;border:1px dashed rgba(0,0,0,.12);border-radius:var(--radius-sm);background:#fbfbfc;color:var(--text-muted);font-size:.875rem;line-height:1.5;text-align:center}.json-editor__path-item{display:grid;gap:6px;width:100%;padding:12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fbfbfc;color:var(--text);text-align:left;cursor:pointer;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease}.json-editor__path-item:hover,.json-editor__path-item:focus-visible,.json-editor__path-item--active{border-color:#bedbff;background:#eff6ff;box-shadow:0 1px 2px #0f172a0f;outline:none}.json-editor__path-line{display:flex;align-items:center;justify-content:space-between;gap:12px}.json-editor__path-path,.json-editor__path-preview{font-family:var(--font-mono);font-size:.75rem;line-height:1.45}.json-editor__path-path{color:#1447e6;word-break:break-all}.json-editor__path-type{flex-shrink:0;color:var(--text-muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.04em}.json-editor__path-preview{color:var(--text-soft);word-break:break-word}.json-editor__preview.textarea{min-height:220px;background:#f3f3f5}.text-diff__table-shell{min-height:260px;height:360px}.text-diff__table th:nth-child(2),.text-diff__table td:nth-child(2),.text-diff__table th:nth-child(3),.text-diff__table td:nth-child(3){width:88px}.text-diff__line-cell{font-family:var(--font-mono);font-size:.75rem;color:var(--text-muted);vertical-align:top;white-space:nowrap}.text-diff__value-cell{font-family:var(--font-mono);font-size:.8125rem;line-height:1.5;vertical-align:top;white-space:pre-wrap;word-break:break-word}.header-formatter__result{display:grid;gap:12px}.header-formatter__start-line{padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(135deg,#2563eb12,#ffffffeb),var(--surface);box-shadow:var(--shadow-soft)}.header-formatter__start-line-label{color:var(--text-muted);font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.header-formatter__start-line-value{margin-top:8px;color:var(--text);font-family:var(--font-mono);font-size:.8125rem;line-height:1.6;word-break:break-word}.header-formatter__table-shell{min-height:280px;height:380px}.header-formatter__table{min-width:720px}.header-formatter__table th:first-child,.header-formatter__table td:first-child{width:64px}.header-formatter__table th:nth-child(2),.header-formatter__table td:nth-child(2){width:200px}.header-formatter__table tbody tr:nth-child(2n){background:#0f172a05}.header-formatter__table tbody tr:hover{background:#2563eb0f}.header-formatter__index-cell{color:var(--text-muted);font-family:var(--font-mono);font-size:.75rem}.header-formatter__name-cell{color:var(--text);font-family:var(--font-mono);font-size:.8rem;font-weight:600;vertical-align:top;word-break:break-word}.header-formatter__value-cell{color:var(--text-soft);font-family:var(--font-mono);font-size:.8rem;line-height:1.6;vertical-align:top;white-space:normal;word-break:break-word}.header-formatter__value-cell--empty,.header-formatter__empty-value{color:var(--text-faint)}.text-diff__value-cell--left{color:#e7000b}.text-diff__value-cell--right{color:#00a63e}.text-diff__value-cell--missing{color:var(--text-faint)}.json-diff__row--same .text-diff__value-cell--left,.json-diff__row--same .text-diff__value-cell--right{color:var(--text)}.text-dedup{display:grid;gap:16px}.text-dedup__header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.text-dedup__input.textarea{min-height:232px;background:#f3f3f5}.text-dedup__options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.text-dedup__option{display:grid;gap:10px;padding:16px;border:1px solid var(--border);border-radius:14px;background:linear-gradient(180deg,#fff,#f9fafb);color:var(--text);text-align:left;cursor:pointer;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease,transform .18s ease}.text-dedup__option:hover,.text-dedup__option:focus-visible{outline:none;border-color:#2563eb38;box-shadow:0 0 0 3px #2563eb14;transform:translateY(-1px)}.text-dedup__option--active{border-color:#bedbff;background:linear-gradient(180deg,#eff6ff,#fff)}.text-dedup__option-top{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#193cb8}.text-dedup__option-title{font-size:.95rem;font-weight:600;line-height:1.35;color:var(--text)}.text-dedup__option--active .text-dedup__option-title{color:#193cb8}.text-dedup__option-note{color:var(--text-soft);font-size:.875rem;line-height:1.55}.text-dedup__results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.text-dedup__panel{display:grid;gap:12px;padding:18px;border:1px solid var(--border);border-radius:14px;background:linear-gradient(180deg,#fff,#fafbfd)}.text-dedup__panel--secondary{background:linear-gradient(180deg,#fcfdff,#f7f9fc)}.text-dedup__panel-head,.text-dedup__groups-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.text-dedup__panel-title,.text-dedup__groups-title{font-size:.95rem;font-weight:600;line-height:1.35}.text-dedup__textarea.textarea{min-height:214px;background:#f3f3f5}.text-dedup__textarea--secondary.textarea{min-height:148px}.text-dedup__groups{display:grid;gap:10px}.text-dedup__group-list{display:grid;gap:8px;max-height:220px;overflow:auto}.text-dedup__group-item{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:#ffffffbf}.text-dedup__group-main{display:grid;gap:4px;min-width:0}.text-dedup__group-value{font-family:var(--font-mono);font-size:.8125rem;line-height:1.5;color:var(--text);white-space:pre-wrap;word-break:break-word}.text-dedup__group-meta{color:var(--text-muted);font-size:.75rem;line-height:1.4}.text-dedup__group-pill{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;min-width:42px;min-height:28px;padding:0 10px;border-radius:999px;background:#eff6ff;color:#193cb8;border:1px solid #bedbff;font-size:.75rem;font-weight:700}.text-dedup__empty{padding:18px;border-radius:12px;border:1px dashed var(--border-strong);background:var(--surface-muted);color:var(--text-muted);font-size:.875rem;text-align:center}.tool-seo ul,.tool-seo ol{margin:0;padding-left:20px;color:var(--text-soft)}.tool-faq{display:grid;gap:6px;padding:20px 21px;border-color:#f3f4f6;border-radius:16px;background:#f9fafbd1}.tool-faq p{color:#99a1af;font-size:.8125rem;line-height:1.8;max-width:36rem}.tool-related-list{gap:10px}.tool-related-link{min-height:37px;padding:0 16px;border-radius:10px;border-color:#e5e7eb;background:#fff;color:#4a5565;font-size:.8125rem}@media (max-width: 760px){.article-section__body{max-width:none}.tool-index__panel,.tool-faq{padding:18px}}.legal-content{display:grid;gap:22px}.legal-content h2,.legal-content p{margin:0}.legal-content section{display:grid;gap:10px}.legal-content ul{margin:0;padding-left:20px;color:var(--text-soft)}.contact-grid{display:grid;gap:14px}.contact-card{padding:18px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.contact-card h3,.contact-card p{margin:0}.contact-card p{margin-top:8px;color:var(--text-soft)}.table-like{width:100%;border-collapse:collapse}.table-like th,.table-like td{border-bottom:1px solid var(--border);text-align:left;padding:10px 0}.cookie-format__table-shell{overflow:auto;padding:0 16px;border:1px solid var(--border);border-radius:14px;background:linear-gradient(180deg,#fff,#fafbfd)}.cookie-format__table{min-width:720px}.cookie-format__table th,.cookie-format__table td{vertical-align:top}.cookie-format__mono{font-family:var(--font-mono);font-size:.8125rem;word-break:break-all}.cookie-format__attrs{min-width:220px;color:var(--text-soft);font-size:.875rem;line-height:1.55;word-break:break-word}.tool-swatch{height:52px;border-radius:14px;border:1px solid var(--border);box-shadow:inset 0 0 0 1px #ffffff59}.subtle-note{padding:12px 14px;border-radius:14px;border:1px solid var(--border);background:var(--surface-muted);color:var(--text-soft);font-size:.9rem;line-height:1.55}.canvas-wrap{border-radius:18px;overflow:hidden;border:1px solid var(--border);background:#fff}.card--media-tool{background:radial-gradient(circle at top right,rgba(14,165,233,.12),transparent 24%),radial-gradient(circle at bottom left,rgba(37,99,235,.08),transparent 22%),linear-gradient(180deg,#fffffffa,#f8fafcf5)}.media-tool{display:grid;gap:18px}.media-tool__badges{display:flex;flex-wrap:wrap;gap:8px}.media-tool__layout{display:grid;grid-template-columns:minmax(300px,380px) minmax(0,1fr);gap:18px;align-items:start}.media-tool__panel{display:grid;gap:16px;padding:18px;border-radius:18px;border:1px solid rgba(15,23,42,.08);background:#fffffff0;box-shadow:var(--shadow-soft)}.media-tool__panel--preview{gap:18px}.media-tool__stack{display:grid;gap:16px}.card--image-pdf-tool{background:radial-gradient(circle at top left,rgba(245,158,11,.12),transparent 24%),radial-gradient(circle at bottom right,rgba(37,99,235,.1),transparent 24%),linear-gradient(180deg,#fffffffa,#f8fafcf5)}.image-pdf-tool{display:grid;gap:18px}.image-pdf-tool__badges{display:flex;flex-wrap:wrap;gap:8px}.image-pdf-tool__layout{display:grid;grid-template-columns:minmax(300px,360px) minmax(0,1fr);gap:18px;align-items:start}.image-pdf-tool__panel{display:grid;gap:16px;padding:18px;border-radius:18px;border:1px solid rgba(15,23,42,.08);background:#fffffff0;box-shadow:var(--shadow-soft)}.image-pdf-tool__actions .button{min-width:138px}.image-pdf-tool__queue{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;align-content:start}.image-pdf-tool__item{display:grid;gap:12px;padding:16px;border-radius:18px;border:1px solid rgba(15,23,42,.08);background:linear-gradient(180deg,#fffffff5,#f8fafcfa);box-shadow:var(--shadow-soft)}.image-pdf-tool__item-meta{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.image-pdf-tool__item-text{min-width:0}.image-pdf-tool__item-order{color:var(--accent-strong);font-family:var(--font-mono);font-size:.75rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.image-pdf-tool__item-name{margin-top:4px;font-weight:600;color:var(--text);word-break:break-word}.image-pdf-tool__item-subtitle{margin-top:2px;color:var(--text-muted);font-size:.8125rem}.image-pdf-tool__item-actions .button{flex:1 1 calc(33.333% - 6px)}.image-pdf-tool__empty p{margin:8px 0 0;color:var(--text-muted)}.image-pdf-tool__error{color:var(--danger)}.card--pdf-image-tool{background:radial-gradient(circle at top right,rgba(16,185,129,.12),transparent 24%),radial-gradient(circle at bottom left,rgba(37,99,235,.08),transparent 22%),linear-gradient(180deg,#fffffffa,#f8fafcf5)}.pdf-image-tool{display:grid;gap:18px}.pdf-image-tool__badges{display:flex;flex-wrap:wrap;gap:8px}.pdf-image-tool__panel{display:grid;gap:16px;padding:18px;border-radius:18px;border:1px solid rgba(15,23,42,.08);background:#fffffff0;box-shadow:var(--shadow-soft)}.pdf-image-tool__actions .button{min-width:138px}.pdf-image-tool__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.pdf-image-tool__page{display:grid;gap:12px;padding:16px;border-radius:18px;border:1px solid rgba(15,23,42,.08);background:linear-gradient(180deg,#fffffff5,#f8fafcfa);box-shadow:var(--shadow-soft)}.pdf-image-tool__page-meta,.pdf-image-tool__page-footer{display:flex;align-items:center;justify-content:space-between;gap:12px}.pdf-image-tool__page-text{min-width:0}.pdf-image-tool__page-title{font-weight:600;color:var(--text)}.pdf-image-tool__page-subtitle{margin-top:2px;color:var(--text-muted);font-size:.8125rem}.pdf-image-tool__filename{min-width:0;color:var(--text-faint);font-family:var(--font-mono);font-size:.75rem;word-break:break-all}.pdf-image-tool__empty p{margin:8px 0 0;color:var(--text-muted)}.pdf-image-tool__error{color:var(--danger)}.media-tool__preview-block{display:grid;gap:10px}.media-tool__preview-block h3{margin:0;font-size:1rem;font-weight:700;line-height:1.4}.media-tool__video,.media-tool__audio{width:100%}.media-tool__video{display:block;min-height:220px;border-radius:16px;background:linear-gradient(135deg,#0f172af5,#1e293be6);object-fit:cover}.media-tool__audio{border-radius:14px}.media-tool__placeholder,.media-tool__empty{display:grid;place-items:center;min-height:160px;padding:20px;border-radius:16px;border:1px dashed rgba(14,116,144,.2);background:linear-gradient(135deg,#f0f9ffeb,#f8fafcf5);color:var(--text-muted);text-align:center}.media-tool__placeholder--compact{min-height:88px}.media-tool__placeholder p,.media-tool__empty p{margin:0;line-height:1.65}.media-tool__file-card{display:grid;gap:8px;padding:14px;border-radius:14px;border:1px solid rgba(15,23,42,.08);background:linear-gradient(180deg,#f8fafcfa,#fffffffa)}.media-tool__file-name{color:var(--text);font-weight:700;word-break:break-word}.media-tool__file-meta{display:flex;flex-wrap:wrap;gap:8px 12px;color:var(--text-muted);font-size:.875rem;line-height:1.5}.media-tool__progress-card{display:grid;gap:10px;padding:14px;border-radius:14px;border:1px solid rgba(15,23,42,.08);background:#f8fafceb}.media-tool__progress-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.media-tool__progress-head strong,.media-tool__progress-head span{font-size:.875rem;line-height:1.4}.media-tool__progress-track{overflow:hidden;width:100%;height:10px;border-radius:999px;background:#94a3b82e}.media-tool__progress-bar{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#0ea5e9,#2563eb);transition:width .2s ease}.media-tool__progress-card p,.media-tool__notes p{margin:0;color:var(--text-soft);line-height:1.65}.media-tool__notes{display:grid;gap:10px}.helper-text{font-size:.9rem;color:var(--text-muted)}.invisible-chars-card{border-radius:14px}.invisible-chars-card__title{display:inline-flex;align-items:center;gap:8px}.invisible-chars-card__content{display:grid;gap:16px}.invisible-chars__editor,.invisible-chars__legend{display:grid;gap:8px}.invisible-chars__editor-bar{display:flex;align-items:center;justify-content:space-between;gap:12px}.invisible-chars__editor-shell{position:relative;border-radius:var(--radius-sm);background:var(--surface-soft)}.invisible-chars__textarea.textarea{position:relative;min-height:192px;background:transparent}.invisible-chars__textarea--highlight{color:transparent;caret-color:var(--text);-webkit-text-fill-color:transparent}.invisible-chars__textarea--highlight::placeholder{color:transparent}.invisible-chars__preview{position:absolute;top:0;right:0;bottom:0;left:0;overflow:auto;pointer-events:none;padding:8px 12px;border-radius:inherit;scrollbar-width:none}.invisible-chars__preview::-webkit-scrollbar{display:none}.invisible-chars__preview-content,.invisible-chars__placeholder{min-height:176px;font-family:var(--font-mono);font-size:.875rem;line-height:1.5;color:var(--text);white-space:pre-wrap;word-break:break-word}.invisible-chars__placeholder{color:var(--text-faint)}.invisible-chars__actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.invisible-chars__summary h3,.invisible-chars__legend h3,.invisible-chars__notes h3{margin:0;font-size:1rem;font-weight:500}.invisible-chars__summary{display:grid;gap:8px}.invisible-chars__summary-grid{display:flex;flex-wrap:wrap;gap:8px}.invisible-chars__summary-item{display:inline-flex;align-items:center;gap:8px;min-height:32px;padding:4px 10px 4px 4px;border-radius:10px;border:1px solid var(--border);background:var(--surface)}.invisible-chars__summary-label{font-size:.875rem;line-height:1.4;color:var(--text)}.invisible-chars__summary-count{min-width:24px;height:22px;padding:0 8px;border-radius:999px;background:var(--surface-soft);color:var(--text-muted);display:inline-flex;align-items:center;justify-content:center;font-size:.75rem;line-height:1}.invisible-chars__summary-empty{margin:0;font-size:.875rem;color:var(--text-muted)}.invisible-chars__legend-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.invisible-chars__legend-item{display:inline-flex;align-items:center;gap:8px;min-width:0}.invisible-chars__legend-label{min-width:0;font-size:.875rem;color:var(--text);line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.invisible-chars__notes{display:grid;gap:8px;padding:17px;border-radius:10px;border:1px solid #bedbff;background:#eff6ff;color:#193cb8}.invisible-chars__notes h3{font-size:.875rem;font-weight:700}.invisible-chars__notes ul{margin:0;padding-left:20px;display:grid;gap:4px}.invisible-chars__notes li{font-size:.875rem;line-height:1.45}.invisible-chars__token{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 8px;border-radius:8px;border:1px solid rgba(0,0,0,.08);font-family:var(--font-sans);font-size:.75rem;font-weight:600;line-height:1;color:var(--text);vertical-align:middle}.invisible-chars__preview-content .invisible-chars__token{margin-inline:1px}.invisible-chars__token--space{background:#dbeafe;color:#193cb8}.invisible-chars__token--tab{background:#dcfce7;color:#016630}.invisible-chars__token--newline{background:#f3e8ff;color:#6e11b0}.invisible-chars__token--carriage-return{background:#ffedd4;color:#9f2d00}.invisible-chars__token--nbsp{background:#ffe2e2;color:#9f0712}.invisible-chars__token--fullwidth-space{background:#fce7f3;color:#a3004c}.invisible-chars__token--zero-width-space{background:#fef9c2;color:#894b00}.invisible-chars__token--zero-width-non-joiner{background:#e0e7ff;color:#372aac}.invisible-chars__token--zero-width-joiner{background:#cbfbf1;color:#005f5a}.invisible-chars__token--bom{background:#f3f4f6;color:#1e2939}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.password-card{width:min(100%,681px);border-radius:14px;border-color:#0000001a}.password-card .card__header{gap:6px}.password-card__content{gap:24px}.password-tool{display:grid;gap:24px}.password-tool__section,.password-result{display:grid;gap:8px}.password-tool__label{color:#0a0a0a;font-size:1rem;line-height:1.5}.password-slider__input{--password-slider-progress: 20%;width:100%;height:16px;margin:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;border-radius:999px;background:linear-gradient(90deg,#030213 0%,#030213 var(--password-slider-progress),#ececf0 var(--password-slider-progress),#ececf0 100%);cursor:pointer}.password-slider__input::-webkit-slider-runnable-track{height:16px;border-radius:999px;background:transparent}.password-slider__input::-moz-range-track{height:16px;border:0;border-radius:999px;background:transparent}.password-slider__input::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;margin-top:0;border:1px solid #030213;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000001a}.password-slider__input::-moz-range-thumb{width:16px;height:16px;border:1px solid #030213;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000001a}.password-slider__input:focus-visible{outline:none;box-shadow:0 0 0 3px #0302131f}.password-checklist{display:grid;gap:12px}.password-check{position:relative;display:flex;align-items:center;gap:8px;width:fit-content;cursor:pointer;color:#0a0a0a}.password-check__input{position:absolute;opacity:0;pointer-events:none}.password-check__box{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:16px;height:16px;border:1px solid #030213;border-radius:4px;background:#fff;color:#fff;box-shadow:0 1px 2px #0000000d;transition:background .18s ease,color .18s ease,box-shadow .18s ease}.password-check--active .password-check__box{background:#030213}.password-check:focus-within .password-check__box{box-shadow:0 0 0 3px #0302131f,0 1px 2px #0000000d}.password-check__label{font-size:1rem;line-height:1.5}.password-tool__generate{width:100%}.password-tool__generate.button--primary:hover{background:#0f1020}.password-result__group{display:grid;gap:8px}.password-result__meta{color:#5b5b66;font-size:.875rem;line-height:1.4286}.password-result__row{display:flex;align-items:stretch;gap:8px}.password-result__value{flex:1 1 auto;min-width:0;min-height:36px;padding:8px 12px;border-radius:8px;background:#f3f3f5;color:#0a0a0a;font-family:var(--font-mono);font-size:.875rem;line-height:1.4286;white-space:nowrap;overflow-x:auto;overflow-y:hidden}.password-result__copy{flex-shrink:0;border-color:#0000001a;background:#fff}.password-result__copy.button--outline:hover{background:#f8f8fa}.mobile-only{display:none}@media (max-width: 1080px){.content-frame{flex-direction:column}.sidebar{width:100%;max-height:none;position:static;border-right:0;border-bottom:1px solid var(--border)}.sidebar--collapsed{width:100%;max-height:0;overflow:hidden;padding-top:0;padding-bottom:0;border-bottom-color:transparent}.three-column,.quad-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.json-diff__mode-bar{grid-template-columns:1fr;justify-items:start}.json-diff__mode-note{justify-self:start;text-align:left}.json-diff__editors,.text-dedup__options,.text-dedup__results{grid-template-columns:1fr}.json-diff__toolbar,.json-diff__summary{flex-direction:column;align-items:stretch}.json-diff__summary-actions{justify-content:flex-start}.invisible-chars__legend-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 1080px){.markdown-tool__workspace--split,.json-editor__layout,.image-pdf-tool__layout,.word-pdf-tool__layout,.media-tool__layout{grid-template-columns:1fr}}@media (max-width: 760px){.site-header__inner{flex-wrap:wrap;align-items:center;padding:12px}.header-actions{margin-left:auto}.header-search{display:none}.mobile-only{display:inline-flex}.two-column,.three-column,.base-converter-grid,.quad-grid{grid-template-columns:1fr}.main-column{padding:20px 0 28px}.main-column>*{width:calc(100% - 24px)}.page-banner{align-items:flex-start;flex-wrap:wrap}.page-banner__title{width:100%}.fibonacci-tool__output{min-height:300px;max-height:300px}.password-result__row,.text-dedup__panel-head,.text-dedup__groups-head,.text-dedup__group-item{flex-direction:column;align-items:stretch}.site-footer__inner{flex-direction:column}.scroll-top-button.button{right:calc(env(safe-area-inset-right,0px) + 14px);bottom:calc(env(safe-area-inset-bottom,0px) + 14px);width:42px;min-width:42px;min-height:42px}.json-diff__toolbar-secondary,.json-diff__summary-actions{width:100%}.json-diff__toolbar-secondary .button,.json-diff__summary-actions .button{flex:1 1 calc(50% - 4px)}.json-editor__toolbar,.json-editor__toolbar-group,.json-editor__editor-status,.json-editor__message,.json-editor__insert-bar,.json-editor__panel-head,.json-editor__path-line{flex-direction:column;align-items:stretch}.json-editor__insert-hint{order:3}.json-editor__insert-actions .button,.json-editor__toolbar-group .button{flex:1 1 calc(50% - 4px)}.json-editor__editor-board,.json-editor__textarea.textarea{min-height:420px}.card--plantuml-tool .card__header,.card--plantuml-tool .card__content{padding-left:20px;padding-right:20px}.plantuml-tool__hero-head,.plantuml-tool__toolbar{flex-direction:column;align-items:stretch}.plantuml-tool__hero-stats{min-width:0}.plantuml-tool__toolbar-group--end{margin-left:0}.plantuml-tool__workspace,.plantuml-tool__details,.plantuml-tool__reference-grid{grid-template-columns:1fr}.plantuml-tool__status{flex-direction:column;align-items:stretch}.plantuml-tool__panel-card{min-height:auto}.plantuml-tool__editor.textarea,.plantuml-tool__preview-stage{min-height:340px}.text-dedup__header .button{flex:1 1 calc(50% - 4px)}.invisible-chars__editor-bar{flex-direction:column;align-items:stretch}.invisible-chars__actions .button,.markdown-tool__actions .button{flex:1 1 calc(50% - 4px)}.image-pdf-tool__item-meta,.image-pdf-tool__actions,.image-pdf-tool__item-actions,.word-pdf-tool__panel-head,.word-pdf-tool__actions,.pdf-image-tool__page-meta,.pdf-image-tool__page-footer{flex-direction:column;align-items:stretch}.media-tool__panel,.image-pdf-tool__panel,.image-pdf-tool__item,.pdf-image-tool__panel,.pdf-image-tool__page{padding:16px}.media-tool__video{min-height:180px}.word-pdf-tool__preview.result-block{min-height:360px;padding:12px}.word-pdf-rendered{min-height:300px;padding:18px 16px}.markdown-tool__preview.result-block,.markdown-tool__textarea.textarea{min-height:320px}.markdown-tool__mode-switch{position:sticky;top:0;z-index:2}.markdown-tool__toolbar-divider{display:none}.invisible-chars__legend-grid{grid-template-columns:1fr}}