:root{--ink:#111827;--muted:#64748b;--line:#e8eaf2;--surface:#fff;--soft:#f7f8fc;--purple:#6d4aff;--violet:#8257f6;--pink:#ef72c2;--blue:#377dff;--green:#23b77e;--shadow:0 14px 35px rgba(65,55,125,.10);--radius:22px;--shell:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.its-shell{width:min(var(--shell),calc(100% - 40px));margin-inline:auto}.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link:focus{clip:auto!important;width:auto;height:auto;left:16px;top:16px;padding:10px 14px;background:#fff;z-index:99999;border-radius:8px;box-shadow:var(--shadow)}.its-icon{width:22px;height:22px;display:block}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.93);backdrop-filter:blur(18px);border-bottom:1px solid transparent;transition:.2s}.site-header.is-scrolled{border-color:var(--line);box-shadow:0 6px 20px rgba(30,41,59,.05)}.header-inner{height:72px;display:flex;align-items:center;gap:26px}.brand{display:inline-flex;align-items:center;gap:10px;min-width:max-content}.brand .custom-logo{max-height:42px;width:auto}.brand-mark{display:grid;place-items:center;width:38px;height:38px;color:white;background:linear-gradient(145deg,#2d74ff,#7a43f1 70%,#ef75c3);border-radius:11px;box-shadow:0 7px 18px rgba(87,67,210,.25)}.brand-mark .its-icon{width:23px;height:23px}.brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-text strong{font-size:18px}.brand-text small{font-size:10px;color:var(--muted);margin-top:4px}.desktop-nav{margin-left:auto;display:flex;align-items:center;gap:26px}.desktop-nav>a,.desktop-nav .nav-menu>li>a{font-size:14px;font-weight:650;color:#334155}.nav-menu{display:flex;gap:26px;list-style:none;padding:0;margin:0}.desktop-nav a:hover{color:var(--purple)}.header-actions{display:flex;align-items:center;gap:8px}.icon-button{border:0;background:transparent;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;cursor:pointer}.icon-button:hover{background:var(--soft)}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:9px 16px;font-weight:700;font-size:14px;border:1px solid var(--line)}.btn-primary{background:linear-gradient(135deg,var(--purple),#8a43ef);color:#fff;border:0}.btn-ghost{background:#fff}.mobile-only{display:none}.header-search,.mobile-panel{border-top:1px solid var(--line);padding:14px 0;background:#fff}.site-search-form{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:#fff;border-radius:14px;padding:6px 7px 6px 14px;box-shadow:0 8px 22px rgba(67,74,105,.06)}.site-search-form input{border:0;outline:0;flex:1;min-width:0;font:inherit}.site-search-form button{border:0;background:var(--purple);color:#fff;padding:9px 14px;border-radius:9px;font-weight:700}.mobile-nav-menu{list-style:none;padding:0;margin:0}.mobile-nav-menu li a,.mobile-panel .its-shell>a{display:block;padding:12px 4px;border-bottom:1px solid var(--line);font-weight:650}
.hero-section{position:relative;overflow:hidden;padding:54px 0 0;background:linear-gradient(115deg,#5146f7 0%,#7864ff 38%,#ce75e7 70%,#ff8fa5 100%);color:#fff}.hero-section:after{content:"";position:absolute;left:0;right:0;bottom:-95px;height:180px;background:#fff;border-radius:50% 50% 0 0/35% 35% 0 0;transform:scaleX(1.25);z-index:0}.hero-grid{display:grid;grid-template-columns:1.3fr .9fr;min-height:330px;position:relative;z-index:2}.hero-copy{padding:8px 0 74px}.eyebrow,.section-kicker{text-transform:uppercase;letter-spacing:.12em;font-weight:800;font-size:12px}.hero-copy h1{font-size:clamp(42px,6vw,68px);line-height:.98;letter-spacing:-.045em;margin:14px 0 17px;max-width:620px}.hero-copy p{font-size:18px;line-height:1.55;max-width:660px;color:rgba(255,255,255,.9);margin:0 0 26px}.hero-search{max-width:680px;height:56px;background:#fff;border-radius:15px;display:flex;align-items:center;padding-left:18px;box-shadow:0 14px 36px rgba(40,31,108,.18);overflow:hidden;color:#64748b}.hero-search>.its-icon{flex:0 0 auto}.hero-search input{height:100%;flex:1;border:0;outline:0;padding:0 14px;font:inherit;color:#111827;min-width:0}.hero-search button{height:44px;width:58px;margin-right:6px;border:0;border-radius:10px;background:linear-gradient(135deg,#6e48f8,#7c35e9);color:#fff;display:grid;place-items:center;cursor:pointer}.hero-art{position:relative;min-height:300px}.float-tile{position:absolute;width:112px;height:112px;border-radius:29px;background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(255,255,255,.78));box-shadow:0 22px 35px rgba(55,35,133,.25),inset 0 1px 0 #fff;display:grid;place-items:center;color:#664bf0;transform:rotate(-2deg)}.float-tile .its-icon{width:50px;height:50px;stroke-width:1.7}.float-tile span{font-size:54px;font-weight:800}.tile-calc{left:50px;top:9px}.tile-chart{right:46px;top:34px;color:#7a4ce3}.tile-flask{left:54px;bottom:36px;color:#23a87a}.tile-file{right:42px;bottom:7px;color:#7143e4}.hero-grid-dots{position:absolute;right:-8px;top:145px;width:90px;height:80px;background-image:radial-gradient(rgba(255,255,255,.85) 1.5px,transparent 1.5px);background-size:12px 12px;opacity:.55}.stat-strip{position:relative;z-index:3;margin-top:-38px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.stat-card{background:rgba(255,255,255,.96);color:var(--ink);border:1px solid rgba(255,255,255,.75);box-shadow:0 14px 35px rgba(57,44,120,.14);border-radius:16px;min-height:74px;padding:14px 18px;display:flex;align-items:center;gap:13px}.stat-card strong{display:block;font-size:20px;line-height:1.1}.stat-card small{display:block;color:var(--muted);font-size:12px;margin-top:4px}.stat-icon{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#f1ebff;color:#7652ef;font-weight:900}
.section{padding-top:74px;padding-bottom:12px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head h2{font-size:30px;letter-spacing:-.025em;line-height:1.15;margin:4px 0 0}.section-head>a{color:var(--purple);font-weight:750;font-size:14px}.section-kicker{color:#6d4aff}.tool-category-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.category-card{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding:22px 10px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 8px 25px rgba(26,35,65,.04);transition:.2s}.category-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#ddd5ff}.category-card-icon{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;background:#f2edff;color:#6d4aff}.category-card:nth-child(2) .category-card-icon{background:#eaf5ff;color:#2580d9}.category-card:nth-child(3) .category-card-icon{background:#eafaf4;color:#13966a}.category-card:nth-child(4) .category-card-icon{background:#fff0fa;color:#cf4aa5}.category-card:nth-child(5) .category-card-icon{background:#fff5e7;color:#d67d1c}.category-card:nth-child(6) .category-card-icon{background:#eef4ff;color:#4467db}.category-card-icon .its-icon{width:28px;height:28px}.category-card strong{font-size:14px}.category-card small{color:var(--muted);font-size:11px;line-height:1.35}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.tool-card{border:1px solid var(--line);border-radius:16px;background:#fff;padding:14px;box-shadow:0 8px 22px rgba(26,35,65,.035);transition:.2s}.tool-card:hover{transform:translateY(-2px);border-color:#dad1ff;box-shadow:var(--shadow)}.tool-card-link{display:flex;align-items:center;gap:12px}.tool-card-icon{width:43px;height:43px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;background:linear-gradient(145deg,#28bb83,#16a76f);color:#fff;box-shadow:0 7px 16px rgba(23,169,113,.18)}.tool-card:nth-child(2n) .tool-card-icon{background:linear-gradient(145deg,#7f5af2,#6c42e4)}.tool-card:nth-child(3n) .tool-card-icon{background:linear-gradient(145deg,#3c8ff8,#2678df)}.tool-card:nth-child(4n) .tool-card-icon{background:linear-gradient(145deg,#f39a3e,#ed7d24)}.tool-card-icon .its-icon{width:21px;height:21px}.tool-card-link>span:nth-child(2){min-width:0;flex:1}.tool-card strong{display:block;font-size:14px;line-height:1.2}.tool-card small{display:block;color:var(--muted);font-size:11px;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tool-arrow{width:16px;height:16px;color:#94a3b8}.tool-card>p{font-size:12px;color:var(--muted);margin:10px 0 0}.trust-band{margin-top:70px;background:linear-gradient(115deg,#faf8ff,#f6f9ff);border-block:1px solid var(--line)}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;padding:48px 0}.trust-grid>div{position:relative;padding-left:58px}.trust-grid span{position:absolute;left:0;top:0;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--purple);font-weight:800}.trust-grid h3{margin:0 0 7px;font-size:18px}.trust-grid p{margin:0;color:var(--muted);font-size:14px}.content-card{padding-bottom:80px}.content-two-col{border:1px solid var(--line);border-radius:24px;padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:50px;background:#fff;box-shadow:0 18px 50px rgba(26,35,65,.05)}.content-two-col h2{font-size:32px;line-height:1.18;margin:8px 0 15px}.content-two-col p{color:var(--muted)}.mini-list{display:grid;gap:10px}.mini-list a{display:grid;grid-template-columns:46px 1fr 18px;align-items:center;gap:12px;border:1px solid var(--line);padding:13px;border-radius:14px}.mini-list a>span:first-child{width:46px;height:46px;border-radius:12px;background:#f3eeff;color:#6d4aff;display:grid;place-items:center}.mini-list strong,.mini-list small{display:block}.mini-list small{font-size:12px;color:var(--muted);margin-top:3px}.mini-list>a>.its-icon{width:16px;color:#94a3b8}
.its-ad-zone{width:min(var(--shell),calc(100% - 40px));margin:30px auto;text-align:center;min-height:0}.its-ad-zone:has(.its-ad-widget){padding:8px 0}.its-ad-label{font-size:9px;text-transform:uppercase;letter-spacing:.12em;color:#94a3b8;margin-bottom:6px}.its-ad-widget{display:flex;justify-content:center;overflow:hidden}.archive-main,.page-main{padding-top:44px;padding-bottom:80px}.archive-hero{padding:32px 0 38px;max-width:800px}.archive-hero h1,.page-header h1{font-size:44px;line-height:1.05;letter-spacing:-.035em;margin:8px 0 14px}.archive-hero p,.archive-description{color:var(--muted);font-size:18px}.archive-hero .site-search-form{margin-top:22px}.page-card{max-width:900px;margin:auto}.page-header{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:30px}.prose-content{font-size:17px;color:#263244}.prose-content h2{font-size:30px;color:var(--ink);margin:46px 0 14px;letter-spacing:-.025em}.prose-content h3{font-size:22px;color:var(--ink);margin:32px 0 10px}.prose-content p,.prose-content li{color:#405068}.prose-content table{border-collapse:collapse;width:100%;display:block;overflow-x:auto}.prose-content th,.prose-content td{border:1px solid var(--line);padding:10px 12px;text-align:left}.prose-content blockquote{margin:28px 0;padding:14px 20px;border-left:4px solid var(--purple);background:#f8f6ff;border-radius:0 12px 12px 0}.post-list{display:grid;gap:16px}.post-row{border:1px solid var(--line);border-radius:16px;padding:20px}.post-row h2{margin:0}.post-row p{color:var(--muted)}
.tool-breadcrumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding-top:24px}.tool-breadcrumbs a:hover{color:var(--purple)}.tool-title-wrap{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:34px 0}.tool-title-main{display:flex;gap:18px;align-items:flex-start}.tool-title-icon{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(145deg,#714ff4,#a74cd4);color:#fff;box-shadow:0 12px 28px rgba(94,66,213,.2)}.tool-title-icon .its-icon{width:32px;height:32px}.tool-title-wrap h1{font-size:44px;letter-spacing:-.035em;line-height:1.05;margin:5px 0 10px}.tool-title-wrap p{margin:0;color:var(--muted);font-size:17px;max-width:720px}.review-note{font-size:12px;color:var(--muted);padding-bottom:5px;white-space:nowrap}.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:34px;padding-bottom:80px}.calculator-shell{border:1px solid #ddd9f6;border-radius:22px;padding:0;background:linear-gradient(180deg,#fff,#fcfbff);box-shadow:0 18px 45px rgba(72,55,140,.07);overflow:hidden}.tool-sidebar{min-width:0}.sticky-side{position:sticky;top:100px}.tool-sidebar .its-ad-zone{width:100%;margin:0 0 20px}.side-card{border:1px solid var(--line);border-radius:18px;padding:18px;background:#fff}.side-card h3{margin:0 0 8px}.side-card p{font-size:13px;color:var(--muted)}.side-card a{font-size:13px;color:var(--purple);font-weight:700}.related-section{margin-top:50px}.not-found{text-align:center;padding:100px 0}.error-code{font-size:100px;font-weight:900;background:linear-gradient(135deg,var(--purple),var(--pink));-webkit-background-clip:text;color:transparent;line-height:1}.not-found h1{font-size:36px}.not-found .site-search-form{max-width:640px;margin:25px auto}.not-found .btn{margin-top:10px}
.site-footer{margin-top:60px;background:#111827;color:#e5e7eb;padding:54px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:45px}.footer-brand{color:#fff}.footer-copy{max-width:420px;color:#9ca3af;font-size:14px}.footer-grid h3{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:#fff;margin:0 0 14px}.footer-grid>div:not(:first-child) a{display:block;color:#aeb7c6;font-size:14px;padding:5px 0}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid #283344;margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;color:#8793a5;font-size:12px}
@media(max-width:980px){.desktop-nav,.desktop-only{display:none}.mobile-only{display:grid}.header-inner{height:64px}.hero-grid{grid-template-columns:1fr}.hero-copy{padding-bottom:40px}.hero-art{height:260px}.hero-section:after{bottom:-110px}.stat-strip{grid-template-columns:repeat(2,1fr);margin-top:-20px}.tool-category-grid{grid-template-columns:repeat(3,1fr)}.tool-grid{grid-template-columns:repeat(2,1fr)}.tool-layout{grid-template-columns:1fr}.tool-sidebar{display:none}.content-two-col{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2}.tool-title-wrap{align-items:flex-start}.review-note{display:none}}
@media(max-width:640px){.its-shell{width:min(100% - 24px,var(--shell))}.brand-text small{display:none}.hero-section{padding-top:34px}.hero-copy h1{font-size:42px}.hero-copy p{font-size:15px}.hero-art{height:215px}.float-tile{width:82px;height:82px;border-radius:21px}.float-tile .its-icon{width:36px;height:36px}.float-tile span{font-size:40px}.tile-calc{left:20px}.tile-chart{right:20px}.tile-flask{left:34px;bottom:30px}.tile-file{right:32px}.stat-strip{grid-template-columns:1fr 1fr;gap:8px}.stat-card{padding:12px;min-height:65px}.stat-card strong{font-size:16px}.stat-card small{font-size:10px}.section{padding-top:52px}.section-head{align-items:center}.section-head h2{font-size:24px}.tool-category-grid{grid-template-columns:repeat(2,1fr)}.tool-grid{grid-template-columns:1fr}.trust-grid{grid-template-columns:1fr;gap:28px}.content-two-col{padding:25px}.content-two-col h2{font-size:27px}.archive-hero h1,.page-header h1,.tool-title-wrap h1{font-size:34px}.tool-title-main{gap:12px}.tool-title-icon{width:52px;height:52px;border-radius:15px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}