:root{--paper:#f5f7f6;--surface:#fff;--surface-2:#f0f3f1;--ink:#14201d;--muted:#68736f;--green:#145c49;--green-2:#0d4538;--orange:#f2673a;--orange-soft:#fff1eb;--line:#dfe5e2;--shadow:0 18px 55px rgba(19,48,39,.08);--shadow-sm:0 8px 28px rgba(19,48,39,.06)}
body{background:var(--paper);font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}.topbar{display:none}.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(223,229,226,.9);background:rgba(255,255,255,.9);backdrop-filter:blur(18px)}.header-inner{display:flex;align-items:center;max-width:1200px;height:64px;margin:auto;padding:0 22px}.new-brand{display:flex;align-items:center;gap:9px;white-space:nowrap}.new-brand>span{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(145deg,var(--orange),#df4c24);color:#fff;font-weight:900;box-shadow:0 6px 16px rgba(242,103,58,.22)}.new-brand>b{font-size:16px;letter-spacing:-.02em}.new-brand>small{padding-left:1px;color:#8b9491;font-size:9px;letter-spacing:.08em}.primary-nav{display:flex;align-items:center;gap:2px;margin-left:38px}.primary-nav a{padding:8px 10px;border-radius:8px;color:#586560;font-size:12px}.primary-nav a:hover{background:var(--surface-2);color:var(--green)}.global-search-trigger{display:flex;align-items:center;gap:8px;margin-left:auto;padding:8px 9px 8px 11px;border:1px solid var(--line);border-radius:9px;background:#f8faf9;color:#6c7773;font-size:11px;cursor:pointer}.global-search-trigger>span:first-child{color:var(--green);font-size:17px}.global-search-trigger:hover{border-color:#bdccc6;background:#fff}.global-search-trigger kbd{margin-left:14px}.mobile-search{display:none;margin-left:auto;border:0;background:none;color:var(--green);font-size:24px}.search-open{overflow:hidden}.command-backdrop{position:fixed;inset:0;z-index:100;display:grid;place-items:start center;padding-top:min(14vh,120px);background:rgba(11,25,21,.42);backdrop-filter:blur(5px)}.command-backdrop[hidden]{display:none}.command-panel{width:min(650px,calc(100% - 28px));overflow:hidden;border:1px solid rgba(255,255,255,.5);border-radius:18px;background:#fff;box-shadow:0 30px 90px rgba(8,28,21,.3)}.command-input{display:flex;align-items:center;padding:9px 14px;border-bottom:1px solid var(--line)}.command-input>span{color:var(--orange);font-size:28px}.command-input input{flex:1;padding:13px 12px;border:0;outline:0;background:transparent;font-size:16px}.command-hint{display:flex;justify-content:space-between;padding:10px 17px 7px;color:#929a97;font-size:9px;font-weight:700;letter-spacing:.08em}.command-results{max-height:440px;padding:6px 8px 10px;overflow:auto}.command-results a{display:grid;grid-template-columns:42px 1fr 20px;align-items:center;gap:12px;padding:11px;border-radius:11px}.command-results a.selected{background:#eef6f2}.command-results a>i,.category-overview i,.popular-card>i,.tool-group header i,.catalog-card>a>i{display:grid;place-items:center;border-radius:11px;font-style:normal;font-weight:850}.command-results a>i{width:42px;height:42px}.command-results a div{display:flex;min-width:0;flex-direction:column;gap:3px}.command-results a b{font-size:13px}.command-results a span{overflow:hidden;color:var(--muted);font-size:10px;text-overflow:ellipsis;white-space:nowrap}.command-results a em{color:var(--orange);font-style:normal}.command-empty{display:flex;align-items:center;flex-direction:column;padding:45px;color:var(--muted)}.command-empty span{margin-top:7px;font-size:11px}
[data-category="image"]{background:#fff0e9!important;color:#cb522a!important}[data-category="pdf"]{background:#feeeee!important;color:#b53d3d!important}[data-category="text"]{background:#eaf5ef!important;color:#247153!important}[data-category="encode"]{background:#fff6dc!important;color:#9a6b0a!important}[data-category="dev"]{background:#edf0fa!important;color:#485fa3!important}[data-category="utility"]{background:#f3ebfa!important;color:#7b4d9e!important}
.new-home{max-width:1200px;margin:auto;padding:0 22px 90px}.discovery-hero{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:center;padding:82px 18px 62px}.hero-kicker{display:inline-flex;padding:7px 10px;border-radius:99px;background:#eaf3ef;color:var(--green);font-size:10px;font-weight:800;letter-spacing:.06em}.hero-copy h1{margin:18px 0 14px;font:600 clamp(46px,5vw,70px)/1.03 Georgia,"Songti SC",serif;letter-spacing:-.055em}.hero-copy h1 em{color:var(--orange);font-style:normal}.hero-copy p{max-width:460px;color:var(--muted);font-size:15px;line-height:1.75}.hero-discovery{padding:26px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow)}.hero-search{display:flex;align-items:center;padding:5px 9px 5px 15px;border:1.5px solid #cbd7d2;border-radius:13px;background:#fbfcfc}.hero-search:focus-within{border-color:var(--green);box-shadow:0 0 0 4px rgba(20,92,73,.09)}.hero-search>span{color:var(--orange);font-size:27px}.hero-search input{min-width:0;flex:1;padding:14px 10px;border:0;outline:0;background:transparent;font-size:13px}.search-suggestions{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:12px;color:#929a97;font-size:9px}.search-suggestions button{padding:5px 8px;border:0;border-radius:7px;background:var(--surface-2);color:#52615b;font-size:9px;cursor:pointer}.search-suggestions button:hover{background:#e5efea;color:var(--green)}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:23px;padding-top:20px;border-top:1px solid var(--line)}.hero-stats div{display:flex;align-items:center;flex-direction:column;border-left:1px solid var(--line)}.hero-stats div:first-child{border-left:0}.hero-stats b{color:var(--green);font:26px Georgia}.hero-stats span{margin-top:4px;color:#8a9490;font-size:9px}
.nav-menu-trigger{display:flex;align-items:center;gap:5px;padding:8px 10px;border:0;border-radius:8px;background:transparent;color:#586560;font:inherit;font-size:12px;cursor:pointer}.nav-menu-trigger:hover,.nav-menu-trigger[aria-expanded="true"]{background:var(--surface-2);color:var(--green)}.nav-menu-trigger i,.mobile-tools-trigger i{font-style:normal;transition:transform .18s}.nav-menu-trigger[aria-expanded="true"] i,.mobile-tools-trigger[aria-expanded="true"] i{transform:rotate(180deg)}.mobile-tools-trigger{display:none;align-items:center;gap:5px;margin-left:auto;padding:7px 9px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--green);font-size:11px;cursor:pointer}.tools-mega-menu{position:absolute;top:64px;right:0;left:0;z-index:60;max-height:calc(100vh - 78px);padding:25px max(24px,calc((100vw - 1156px)/2)) 30px;overflow:auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.98);box-shadow:0 24px 55px rgba(19,48,39,.15);backdrop-filter:blur(18px)}.tools-mega-menu[hidden]{display:none}.mega-menu-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:22px}.mega-menu-head span{color:var(--orange);font-size:9px;font-weight:850;letter-spacing:.12em}.mega-menu-head h2{margin:5px 0 0;font:600 25px Georgia,"Songti SC",serif}.mega-menu-head>div:last-child{display:flex;align-items:center;gap:9px}.mega-menu-head button,.mega-menu-head a{padding:8px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--green);font-size:10px;cursor:pointer}.mega-menu-head .mega-close{display:none;width:34px;padding:7px;font-size:18px}.mega-menu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.mega-menu-grid>section{padding:16px;border:1px solid var(--line);border-radius:13px;background:#fbfcfb}.mega-category{display:grid;grid-template-columns:38px 1fr;gap:10px;align-items:center;padding-bottom:12px;border-bottom:1px solid var(--line)}.mega-category i{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;font-size:10px;font-style:normal;font-weight:850}.mega-category span{display:flex;min-width:0;flex-direction:column;gap:3px}.mega-category b{font-size:12px}.mega-category small{overflow:hidden;color:var(--muted);font-size:9px;text-overflow:ellipsis;white-space:nowrap}.mega-menu-grid section>div{display:flex;gap:5px 13px;flex-wrap:wrap;padding-top:12px}.mega-menu-grid section>div a{color:#52605b;font-size:10px;line-height:1.8}.mega-menu-grid section>div a:hover{color:var(--green);text-decoration:underline;text-underline-offset:3px}.tools-menu-open{overflow:hidden}
.back-to-json{display:inline-flex;margin-top:8px;color:var(--green);font-size:11px;font-weight:800}.home-json-workbench{padding-top:18px}.home-json-workbench .json-title{padding-top:18px}.home-json-workbench .json-title h1{font-size:clamp(42px,5vw,64px)}.json-home-link{color:var(--green)!important;font-weight:800}
.category-overview{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:72px}.category-overview>a{display:grid;grid-template-columns:46px 1fr 24px;align-items:center;gap:13px;padding:16px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.72);transition:.16s}.category-overview>a:hover{border-color:#bdccc6;background:#fff;box-shadow:var(--shadow-sm);transform:translateY(-2px)}.category-overview i{width:46px;height:46px}.category-overview div{display:flex;min-width:0;flex-direction:column;gap:4px}.category-overview b{font-size:13px}.category-overview span{overflow:hidden;color:var(--muted);font-size:9px;text-overflow:ellipsis;white-space:nowrap}.category-overview em{display:grid;place-items:center;width:23px;height:23px;border-radius:7px;background:var(--surface-2);color:#77817d;font-size:9px;font-style:normal;font-weight:800}.home-section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:20px}.home-section-heading span,.catalog-title span{color:var(--orange);font-size:9px;font-weight:850;letter-spacing:.12em}.home-section-heading h2,.catalog-title h2{margin:6px 0 0;font:600 32px Georgia,"Songti SC",serif;letter-spacing:-.03em}.home-section-heading p{margin:0;color:#8b9491;font-size:10px}.popular-section{margin-bottom:46px}.popular-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.popular-card{display:flex;min-height:155px;align-items:flex-start;flex-direction:column;padding:18px;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:0 1px rgba(255,255,255,.8);transition:.16s}.popular-card:hover{border-color:#b9cac3;box-shadow:var(--shadow-sm);transform:translateY(-3px)}.popular-card>i{width:42px;height:42px;margin-bottom:18px}.popular-card div{display:flex;flex-direction:column;gap:5px}.popular-card b{font-size:13px}.popular-card span{color:var(--muted);font-size:10px;line-height:1.5}.popular-card em{margin-top:auto;padding-top:15px;color:var(--green);font-size:9px;font-style:normal;font-weight:800}.personal-strip{display:none;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 48px}.personal-strip.has-items{display:grid}.personal-strip>div{padding:15px 17px;border:1px solid var(--line);border-radius:13px;background:#fff}.personal-strip>div>span{display:block;margin-bottom:9px;color:#8a9490;font-size:9px;font-weight:800;letter-spacing:.08em}.personal-strip>div>div{display:flex;gap:7px;flex-wrap:wrap}.personal-strip a{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:8px;background:var(--surface-2);color:var(--green);font-size:10px}.personal-strip a b{color:var(--orange)}
.catalog-shell{display:grid;grid-template-columns:210px minmax(0,1fr);gap:34px;align-items:start;padding-top:26px;border-top:1px solid var(--line);scroll-margin-top:80px}.catalog-sidebar{position:sticky;top:88px}.catalog-sidebar>div{display:flex;flex-direction:column;gap:4px;margin-bottom:13px;padding:0 10px}.catalog-sidebar>div span{color:var(--orange);font-size:9px;font-weight:800;letter-spacing:.1em}.catalog-sidebar>div b{font:20px Georgia,"Songti SC",serif}.catalog-sidebar nav{display:grid;gap:3px}.catalog-sidebar nav a{display:grid;grid-template-columns:28px 1fr 20px;align-items:center;gap:8px;padding:8px 9px;border-radius:9px;color:#64706c;font-size:10px}.catalog-sidebar nav a:hover,.catalog-sidebar nav a.active{background:#e9f2ee;color:var(--green)}.catalog-sidebar nav i{font-style:normal;text-align:center}.catalog-sidebar nav em{font-style:normal;text-align:right}.catalog-sidebar>button{display:flex;align-items:center;gap:9px;width:100%;margin-top:16px;padding:11px;border:1px solid var(--line);border-radius:11px;background:#fff;text-align:left;cursor:pointer}.catalog-sidebar>button>span{font-size:20px;color:var(--orange)}.catalog-sidebar>button div{display:flex;flex-direction:column}.catalog-sidebar>button b{font-size:10px}.catalog-sidebar>button small{margin-top:2px;color:#8a9490;font-size:8px}.catalog-title{display:flex;align-items:end;justify-content:space-between;margin-bottom:25px}.catalog-title strong{padding:6px 9px;border-radius:8px;background:var(--surface-2);color:#74807b;font-size:9px}.tool-group{margin-bottom:45px;scroll-margin-top:86px}.tool-group>header{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}.tool-group>header>div{display:flex;align-items:center;gap:11px}.tool-group>header i{width:38px;height:38px}.tool-group>header h3{margin:0;font-size:15px}.tool-group>header p{margin:3px 0 0;color:var(--muted);font-size:9px}.tool-group>header>a{color:var(--green);font-size:9px;font-weight:750}.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.catalog-card{position:relative;border:1px solid var(--line);border-radius:13px;background:#fff;transition:.16s}.catalog-card:hover{border-color:#b7c9c1;box-shadow:var(--shadow-sm);transform:translateY(-2px)}.catalog-card>a{display:grid;grid-template-columns:40px 1fr 15px;align-items:center;gap:11px;min-height:100px;padding:15px}.catalog-card>a>i{width:40px;height:40px}.catalog-card h4{margin:0;font-size:12px}.catalog-card p{margin:5px 0 0;color:var(--muted);font-size:9px;line-height:1.45}.catalog-card>a>b{color:var(--orange)}.catalog-card .favorite{top:5px;right:6px;font-size:14px}.catalog-empty{padding:60px;border:1px dashed #c9d3cf;border-radius:16px;text-align:center}.catalog-empty p{color:var(--muted);font-size:11px}.catalog-empty button{padding:8px 12px;border:0;border-radius:8px;background:var(--green);color:#fff;cursor:pointer}
.tool-page{max-width:1140px;padding:28px 22px 90px}.breadcrumb{justify-content:flex-start;margin:4px auto 24px;text-align:left}.tool-title{display:block;max-width:900px;margin-right:auto;margin-left:auto;padding:12px 0 25px;border:0;text-align:center}.tool-title h1{font-size:clamp(36px,4vw,52px)}.tool-title p{font-size:13px}.simple-tool,.text-tool,.compact-workspace .tool-grid{border-color:var(--line);background:#fff;box-shadow:var(--shadow)}.simple-tool,.text-tool{max-width:920px;padding:30px}.compact-workspace{max-width:1060px}.compact-workspace .tool-grid{grid-template-columns:360px minmax(0,1fr)}.tool-guide{max-width:920px}.tool-guide h2{font:600 21px Georgia,"Songti SC",serif}.related-tools a,.tool-guide article{background:#fff}.content{max-width:860px}.site-footer{display:grid;grid-template-columns:1fr auto;gap:20px;max-width:1200px;margin:auto;padding:40px 22px;border-top:1px solid var(--line);color:var(--muted)}.site-footer>div:first-child p{margin:12px 0 0;font-size:10px}.site-footer>.footer-links{align-items:center}.site-footer>span{grid-column:1/-1;font-size:9px}
.tool-learning{max-width:920px;margin:0 auto 88px;padding:0 22px}.tool-learning-heading{padding-top:44px;border-top:1px solid var(--line);text-align:center}.tool-learning-heading>span{color:var(--orange);font-size:10px;font-weight:850;letter-spacing:.14em}.tool-learning-heading h2{margin:9px 0 8px;font:600 clamp(27px,3vw,36px) Georgia,"Songti SC",serif}.tool-learning-heading p{margin:0;color:var(--muted);font-size:12px}.tool-learning h3{margin:0 0 18px;font-size:16px}.tool-learning-layout{display:grid;grid-template-columns:1.35fr .8fr;gap:14px;margin-top:30px}.tool-learning-steps,.tool-learning-tips,.tool-knowledge article{padding:24px;border:1px solid var(--line);border-radius:15px;background:#fff}.tool-learning-steps ol{display:grid;gap:16px;margin:0;padding:0;list-style:none}.tool-learning-steps li{display:grid;grid-template-columns:30px 1fr;gap:11px;align-items:start;color:var(--muted);font-size:12px;line-height:1.7}.tool-learning-steps li b{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:var(--orange-soft);color:var(--orange-dark)}.tool-learning-tips{background:#edf4f1}.tool-learning-tips ul{display:grid;gap:12px;margin:0;padding-left:18px;color:#52635d;font-size:11px;line-height:1.7}.tool-knowledge,.tool-related{margin-top:34px}.tool-knowledge>div,.tool-related>div{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.tool-knowledge h4{margin:0 0 8px;color:var(--green);font-size:13px}.tool-knowledge p{margin:0;color:var(--muted);font-size:11px;line-height:1.75}.tool-related a{display:flex;min-height:112px;flex-direction:column;padding:18px;border:1px solid var(--line);border-radius:13px;background:#fff}.tool-related a span{margin-top:6px;color:var(--muted);font-size:10px;line-height:1.5}.tool-related a em{margin-top:auto;padding-top:13px;color:var(--green);font-size:9px;font-style:normal;font-weight:800}
@media(max-width:1040px){.primary-nav{display:none}.global-search-trigger{display:none}.mobile-tools-trigger{display:flex}.mobile-search{display:block;margin-left:7px}.tools-mega-menu{position:fixed;top:0;height:100vh;max-height:none;padding:18px;overscroll-behavior:contain}.mega-menu-head{position:sticky;top:-18px;z-index:2;padding:18px 0 13px;background:#fff}.mega-menu-head .mega-close{display:block}.mega-menu-grid{grid-template-columns:repeat(2,1fr)}.discovery-hero{gap:35px}.catalog-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.header-inner{height:58px;padding:0 14px}.new-brand>small{display:none}.mega-menu-head{align-items:flex-start}.mega-menu-head>div:last-child>a,.mega-menu-head>div:last-child>button:first-child{display:none}.mega-menu-grid{grid-template-columns:1fr}.new-home{padding:0 12px 60px}.discovery-hero{grid-template-columns:1fr;gap:28px;padding:48px 5px 36px}.hero-copy{text-align:center}.hero-copy h1{font-size:48px}.hero-copy p{margin-right:auto;margin-left:auto}.hero-discovery{padding:17px}.hero-search input{padding:12px 7px;font-size:12px}.category-overview{grid-template-columns:1fr 1fr;margin-bottom:55px}.category-overview>a{grid-template-columns:38px 1fr 20px;padding:12px}.category-overview i{width:38px;height:38px}.category-overview span{display:none}.popular-grid{grid-template-columns:1fr 1fr}.popular-card{min-height:145px}.home-section-heading{align-items:flex-start;flex-direction:column;gap:7px}.home-section-heading h2,.catalog-title h2{font-size:28px}.personal-strip{grid-template-columns:1fr}.catalog-shell{display:block;padding-top:20px}.catalog-sidebar{position:static;margin-bottom:36px}.catalog-sidebar>div,.catalog-sidebar>button{display:none}.catalog-sidebar nav{display:flex;gap:6px;padding-bottom:8px;overflow:auto}.catalog-sidebar nav a{display:flex;flex:0 0 auto;padding:8px 11px;border:1px solid var(--line);background:#fff}.catalog-sidebar nav a i{display:none}.catalog-sidebar nav a em{margin-left:4px}.catalog-grid{grid-template-columns:1fr}.catalog-card>a{min-height:92px}.tool-group{margin-bottom:38px}.tool-page{padding:20px 12px 65px}.breadcrumb{justify-content:center;text-align:center}.tool-title{padding-top:5px}.simple-tool,.text-tool{padding:18px}.compact-workspace .tool-grid{grid-template-columns:1fr}.tool-learning{margin-bottom:58px;padding:0 12px}.tool-learning-layout,.tool-knowledge>div,.tool-related>div{grid-template-columns:1fr}.tool-learning-steps,.tool-learning-tips,.tool-knowledge article{padding:19px}.site-footer{grid-template-columns:1fr;padding:32px 16px}.site-footer>.footer-links{flex-wrap:wrap}.command-backdrop{padding-top:8vh}}

/* Tool pages are workspaces, not landing pages: keep controls in the first viewport. */
.header-inner,.tool-page{width:100%;max-width:1380px;padding-right:22px;padding-left:22px}
.tool-page:not(.home-json-workbench)>.simple-tool,
.tool-page:not(.home-json-workbench)>.text-tool,
.tool-page:not(.home-json-workbench)>.compact-workspace{width:100%;max-width:none}
.home-json-workbench{padding-top:10px}
.home-json-workbench .json-title{display:none}
.tool-page:not(.home-json-workbench)>.tool-title{display:flex;align-items:center;justify-content:space-between;max-width:none;margin:0 0 14px;padding:0;text-align:left}
.tool-page:not(.home-json-workbench)>.tool-title h1{font:700 24px/1.2 Inter,"Segoe UI","Microsoft YaHei",sans-serif;letter-spacing:-.025em}
.tool-page:not(.home-json-workbench)>.tool-title p{max-width:680px;margin:3px 0 0;font-size:11px;line-height:1.5}
.tool-page:not(.home-json-workbench)>.breadcrumb{margin-bottom:10px}
@media(max-width:760px){.header-inner,.tool-page{padding-right:12px;padding-left:12px}.home-json-workbench{padding-top:6px}.tool-page:not(.home-json-workbench)>.tool-title{display:block}.tool-page:not(.home-json-workbench)>.tool-title h1{font-size:22px}.tool-page:not(.home-json-workbench)>.breadcrumb{justify-content:flex-start;text-align:left}}
@media(max-width:430px){.category-overview{grid-template-columns:1fr}.popular-grid{grid-template-columns:1fr 1fr}.popular-card{padding:14px}.popular-card>i{margin-bottom:14px}.hero-stats b{font-size:22px}.search-suggestions span{width:100%}}

/* Tool catalog sidebar: readable labels and generous click targets. */
@media(min-width:761px){.catalog-shell{grid-template-columns:240px minmax(0,1fr)}}
.catalog-sidebar>div{gap:6px;margin-bottom:16px}
.catalog-sidebar>div span{font-size:11px}
.catalog-sidebar>div b{font-size:25px;line-height:1.3}
.catalog-sidebar nav{gap:5px}
.catalog-sidebar nav a{grid-template-columns:32px 1fr 24px;gap:9px;min-height:43px;padding:10px 11px;font-size:13px;line-height:1.35}
.catalog-sidebar nav i{font-size:12px}
.catalog-sidebar nav em{font-size:12px;font-weight:650}
.catalog-sidebar>button{min-height:64px;margin-top:20px;padding:13px 14px}
.catalog-sidebar>button>span{font-size:24px}
.catalog-sidebar>button b{font-size:12px}
.catalog-sidebar>button small{margin-top:3px;font-size:10px;line-height:1.4}

/* Shared tool guides are content sections, not promotional hero blocks. */
.tool-learning-heading{padding-top:30px;text-align:left}
.tool-learning-heading h2{margin:0;font:700 22px/1.35 Inter,"Segoe UI","Microsoft YaHei",sans-serif;letter-spacing:-.02em}
.tool-learning>.tool-learning-tips{margin-top:20px}
.tool-faq{margin-top:34px}.tool-faq>div{display:grid;gap:10px}.tool-faq details{padding:0 18px;border:1px solid var(--line);border-radius:13px;background:#fff}.tool-faq summary{padding:16px 24px 16px 0;color:var(--green);font-size:13px;font-weight:750;cursor:pointer}.tool-faq p{margin:0;padding:0 0 17px;color:var(--muted);font-size:12px;line-height:1.8}

/* Keep every tool section on one visual grid. Long legal/editorial pages retain a narrower reading measure. */
:root{--site-shell:1380px;--site-gutter:22px}
.header-inner,.tool-page,.tool-learning,.site-footer{width:100%;max-width:var(--site-shell);padding-right:var(--site-gutter);padding-left:var(--site-gutter)}
.tool-page>.tool-guide{width:100%;max-width:none}
.tool-learning{margin-top:0;margin-bottom:88px}
.tool-learning-heading{padding-top:44px}
.tool-learning-layout{grid-template-columns:minmax(0,1.55fr) minmax(300px,.75fr);gap:18px}
.tool-knowledge>div{gap:18px}
.tool-related>div{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.tool-related a{min-height:132px;padding:20px}
.site-footer{margin-right:auto;margin-left:auto}
@media(max-width:1040px){.tool-related>div{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){:root{--site-gutter:12px}.tool-learning{margin-bottom:58px}.tool-learning-layout,.tool-knowledge>div,.tool-related>div{grid-template-columns:1fr}.tool-learning-heading{padding-top:30px}.site-footer{padding:32px 16px}}

/* Readability pass: supporting text should remain legible on high-density displays. */
.new-brand>small{font-size:11px}
.command-hint,.hero-kicker,.search-suggestions,.search-suggestions button,.hero-stats span{font-size:11px}
.command-results a span{font-size:12px}
.mega-menu-head span{font-size:11px}.mega-menu-head button,.mega-menu-head a,.mega-category small,.mega-menu-grid section>div a{font-size:12px}
.category-overview span,.category-overview em,.home-section-heading span,.catalog-title span{font-size:11px}
.home-section-heading p,.popular-card span,.popular-card em,.personal-strip>div>span,.personal-strip a{font-size:12px}
.tool-group>header h3{font-size:17px}.tool-group>header p,.tool-group>header>a{font-size:12px}
.catalog-card h4{font-size:14px}.catalog-card p{font-size:12px;line-height:1.55}
.catalog-title strong{font-size:11px}
.tool-page:not(.home-json-workbench)>.tool-title p{font-size:13px}
.tool-learning-steps li,.tool-learning-tips ul,.tool-knowledge p,.tool-faq p{font-size:13px}
.tool-knowledge h4,.tool-faq summary,.tool-related a b{font-size:14px}
.tool-related a span,.tool-related a em{font-size:12px}
.site-footer>div:first-child p,.site-footer>span{font-size:11px;line-height:1.65}