/* EraseText — design tokens shared with the SellerFee / GenCost family */
:root{
 --ink-950:#070B16;--ink-900:#0B1220;--ink-800:#1A2233;--ink-700:#344054;--ink-600:#475467;--ink-500:#667085;--ink-400:#98A2B3;--ink-300:#D0D5DD;
 --line:#E7EAF0;--line-2:#F0F2F6;--surface:#F7F8FA;--white:#fff;
 --brand-700:#3730A3;--brand-600:#4338CA;--brand-500:#4F46E5;--brand-400:#6366F1;--brand-300:#A5B4FC;--brand-100:#E0E7FF;--brand-50:#EEF2FF;
 --accent:#2563EB;--pos-700:#067A55;--pos-100:#DDF5EA;--pos-50:#EFFAF5;--warn-700:#9A5B07;--warn-50:#FFF8EA;--neg-600:#D1372B;--neg-50:#FEF2F1;
 --r-sm:6px;--r:10px;--r-lg:14px;--r-xl:20px;
 --sh-1:0 1px 2px rgba(16,24,40,.05);--sh-2:0 1px 2px rgba(16,24,40,.04),0 4px 12px -2px rgba(16,24,40,.06);--sh-3:0 2px 4px rgba(16,24,40,.04),0 16px 40px -8px rgba(16,24,40,.14);
 --sans:'Inter',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans','PingFang SC','Hiragino Sans','Microsoft YaHei',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink-900);background:var(--white);font-size:15px;line-height:1.6}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.narrow{max-width:780px}
.skip{position:absolute;left:-9999px;top:0;z-index:99;background:var(--ink-900);color:#fff;padding:8px 12px}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.muted{color:var(--ink-500)}.small{font-size:13px}
/* header */
.nav{border-bottom:1px solid var(--line);background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(10px);position:sticky;top:0;z-index:30}
.nav .wrap{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.02em;white-space:nowrap}
.logo img{width:30px;height:30px;border-radius:8px}
.menu{display:flex;gap:2px;flex:1}
.menu a{padding:7px 11px;border-radius:8px;color:var(--ink-600);font-weight:500;font-size:14px;white-space:nowrap}
.menu a:hover,.menu a[aria-current]{background:var(--surface);color:var(--ink-900)}
.dd{position:relative}
.dd summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:6px;padding:7px 11px;border:1px solid var(--line);border-radius:8px;font-size:14px;color:var(--ink-700);white-space:nowrap}
.dd summary::-webkit-details-marker{display:none}
.dd svg{width:15px;height:15px}
.ddm{position:absolute;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-3);padding:6px;min-width:170px;z-index:40}
.ddm a{display:block;padding:7px 10px;border-radius:7px;font-size:14px;color:var(--ink-700)}
.ddm a:hover,.ddm a[aria-current]{background:var(--surface);color:var(--ink-900)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:10px 16px;font-weight:600;font-size:15px;line-height:1.2;transition:background .15s,box-shadow .15s,border-color .15s;white-space:nowrap}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 1px 2px rgba(16,24,40,.1),inset 0 1px 0 rgba(255,255,255,.12)}
.btn-primary:hover{background:var(--brand-600)}
.btn-primary:disabled{background:var(--ink-300);cursor:not-allowed}
.btn-dark{background:var(--ink-900);color:#fff}.btn-dark:hover{background:var(--ink-800)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-800)}.btn-ghost:hover{border-color:var(--ink-300);background:var(--surface)}
.btn-lg{padding:13px 22px;font-size:16px;border-radius:12px}
.btn-sm{padding:7px 12px;font-size:13.5px;border-radius:8px}
.btn-block{width:100%}
.nav .btn{padding:8px 14px;font-size:14px}
/* hero */
.hero{background:radial-gradient(1200px 420px at 50% -120px,var(--brand-50),transparent 70%);padding:52px 0 20px;text-align:center}
.hero h1{font-size:46px;line-height:1.08;letter-spacing:-.035em;font-weight:800;max-width:860px;margin:0 auto}
.hero .sub{font-size:18px;color:var(--ink-600);max-width:700px;margin:16px auto 0}
.trust{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 22px;margin-top:20px;list-style:none;font-size:14px;color:var(--ink-600)}
.trust li{display:flex;align-items:center;gap:7px}
.trust svg{width:17px;height:17px;color:var(--pos-700)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-600);background:#fff;border:1px solid var(--brand-100);border-radius:999px;padding:4px 12px;margin-bottom:18px}
/* tool */
.tool-wrap{padding:26px 0 56px}
.tool{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-3);overflow:hidden;max-width:980px;margin:0 auto;text-align:left}
.drop{margin:18px;border:2px dashed var(--ink-300);border-radius:var(--r-lg);padding:56px 24px;text-align:center;background:linear-gradient(180deg,#fff,var(--surface));transition:border-color .15s,background .15s}
.drop.over{border-color:var(--brand-500);background:var(--brand-50)}
.drop .ico{width:56px;height:56px;border-radius:16px;background:var(--brand-50);color:var(--brand-500);display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px}
.drop .ico svg{width:28px;height:28px}
.drop h2{font-size:21px;letter-spacing:-.02em}
.drop .or{color:var(--ink-500);font-size:14px;margin:6px 0 12px}
.drop .hint{color:var(--ink-500);font-size:13.5px;margin-top:14px}
.drop .priv{display:inline-flex;align-items:center;gap:6px;color:var(--ink-500);font-size:13px;margin-top:6px}
.drop .priv svg{width:14px;height:14px}
.linkbtn{background:none;border:0;color:var(--brand-600);font-weight:600;font-size:14px;padding:0;text-decoration:underline;text-underline-offset:3px}
.bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface)}
.seg{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:9px;padding:3px}
.seg button{border:0;background:none;padding:6px 11px;border-radius:7px;font-size:13.5px;font-weight:600;color:var(--ink-600);display:inline-flex;align-items:center;gap:6px}
.seg button[aria-pressed=true]{background:var(--ink-900);color:#fff}
.seg svg,.bar .btn svg{width:15px;height:15px}
.size{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-600);padding:0 6px}
.size input{width:110px;accent-color:var(--brand-500)}
.bar .sp{flex:1}
.tool .bar,.stage,.compare,.drop{-webkit-user-select:none;user-select:none}
.stage{position:relative;background:repeating-conic-gradient(#f3f4f7 0 25%,#fff 0 50%) 0 0/20px 20px;display:flex;align-items:center;justify-content:center;padding:16px;min-height:280px}
#et-canvas{max-width:100%;touch-action:none;cursor:crosshair;border-radius:6px;box-shadow:var(--sh-2);background:#fff}
.stage .tip{position:absolute;left:50%;top:14px;transform:translateX(-50%);background:rgba(11,18,32,.82);color:#fff;font-size:13px;padding:6px 12px;border-radius:999px;pointer-events:none;white-space:nowrap}
.foot{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 16px;border-top:1px solid var(--line)}
.foot .msg{flex:1;font-size:13.5px;color:var(--ink-600);min-width:200px}
.msg.err{color:var(--neg-600)}
.busy{padding:70px 20px;text-align:center}
.spin{width:38px;height:38px;border-radius:50%;border:3px solid var(--brand-100);border-top-color:var(--brand-500);animation:sp 1s linear infinite;margin:0 auto 14px}
@keyframes sp{to{transform:rotate(360deg)}}
.result{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,1fr);gap:0}
.compare{position:relative;background:repeating-conic-gradient(#f3f4f7 0 25%,#fff 0 50%) 0 0/20px 20px;padding:16px;display:flex;align-items:center;justify-content:center;border-right:1px solid var(--line)}
.cmp{position:relative;display:inline-block;max-width:100%;border-radius:6px;overflow:hidden;box-shadow:var(--sh-2);user-select:none}
.cmp img{display:block;max-width:100%;height:auto}
.cmp .after{position:absolute;inset:0;clip-path:inset(0 0 0 var(--x,50%))}
.cmp .after img{width:100%;height:100%;object-fit:cover}
.cmp .line{position:absolute;top:0;bottom:0;left:var(--x,50%);width:2px;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.12);pointer-events:none}
.cmp .knob{position:absolute;top:50%;left:var(--x,50%);transform:translate(-50%,-50%);width:34px;height:34px;border-radius:50%;background:#fff;box-shadow:var(--sh-3);display:flex;align-items:center;justify-content:center;pointer-events:none;color:var(--ink-700)}
.cmp .knob svg{width:18px;height:18px}
.cmp input[type=range]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.cmp .tag{position:absolute;top:10px;font-size:12px;font-weight:600;background:rgba(11,18,32,.72);color:#fff;padding:3px 8px;border-radius:999px;pointer-events:none}
.cmp .tag.l{left:10px}.cmp .tag.r{right:10px}
.side{padding:22px;display:flex;flex-direction:column;gap:12px}
.side h3{font-size:18px;letter-spacing:-.02em}
.note{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--ink-600);background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:9px 11px}
.note svg{width:15px;height:15px;flex:none;margin-top:2px}
.ok{background:var(--pos-50);border-color:var(--pos-100);color:var(--pos-700)}
.wallet{border-top:1px solid var(--line);padding:12px 16px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-size:13.5px;color:var(--ink-600);background:#fff}
.wallet strong{color:var(--ink-900)}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:2px 8px;font-size:13px;color:var(--ink-900)}
.restore{display:flex;gap:6px}
.restore input{border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:13px;width:230px;font-family:ui-monospace,Menlo,monospace}
/* modal */
.modal{position:fixed;inset:0;background:rgba(7,11,22,.55);display:flex;align-items:center;justify-content:center;padding:18px;z-index:60}
.dialog{background:#fff;border-radius:var(--r-xl);box-shadow:0 30px 80px -20px rgba(0,0,0,.4);width:100%;max-width:520px;max-height:calc(100vh - 36px);overflow:auto;padding:26px}
.dialog h2{font-size:21px;letter-spacing:-.02em}
.dialog .x{float:right;border:0;background:none;color:var(--ink-500);font-size:22px;line-height:1;padding:2px 6px;border-radius:6px}
.packs{display:grid;gap:10px;margin:18px 0}
.pack{display:flex;align-items:center;gap:12px;border:1.5px solid var(--line);border-radius:var(--r-lg);padding:13px 15px;cursor:pointer;position:relative;transition:border-color .15s,background .15s}
.pack:hover{border-color:var(--ink-300)}
.pack:has(input:checked){border-color:var(--brand-500);background:var(--brand-50)}
.pack input{accent-color:var(--brand-500);width:17px;height:17px}
.pack .n{font-weight:700;flex:1}
.pack .per{display:block;font-weight:500;font-size:13px;color:var(--ink-500)}
.pack .p{font-weight:800;font-size:18px;white-space:nowrap}
.badge{display:inline-block;font-size:11.5px;font-weight:700;color:var(--pos-700);background:var(--pos-100);border-radius:999px;padding:2px 8px;margin-left:6px;vertical-align:1px}
.badge.b{color:var(--brand-700);background:var(--brand-100)}
.mock{border:1px dashed var(--warn-700);background:var(--warn-50);border-radius:var(--r-lg);padding:14px;margin-top:12px}
.mock strong{display:block;color:var(--warn-700)}
#et-paypal{margin-top:12px;min-height:10px}
/* sections */
.sec{padding:64px 0;border-top:1px solid var(--line-2)}
.sec.alt{background:var(--surface)}
.sec h2{font-size:32px;letter-spacing:-.03em;line-height:1.15;text-align:center}
.sec .lead{text-align:center;color:var(--ink-600);font-size:17px;max-width:640px;margin:10px auto 0}
.grid{display:grid;gap:18px;margin-top:34px}
.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1)}
.card h3{font-size:16.5px;letter-spacing:-.01em;margin-bottom:6px}
.card p{color:var(--ink-600);font-size:14.5px}
.step{font-size:13px;font-weight:700;color:var(--brand-600);background:var(--brand-50);width:30px;height:30px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px}
.fi{width:38px;height:38px;border-radius:10px;background:var(--brand-50);color:var(--brand-500);display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px}
.fi svg{width:20px;height:20px}
.prices{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.price{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;text-align:left;position:relative;box-shadow:var(--sh-1)}
.price.hl{border:2px solid var(--brand-500);box-shadow:var(--sh-3)}
.price .pn{font-weight:600;color:var(--ink-600);font-size:14px}
.price .pp{font-size:32px;font-weight:800;letter-spacing:-.03em;margin:6px 0 2px}
.price .pd{color:var(--ink-500);font-size:13.5px}
.price .badge{position:absolute;top:-11px;right:16px;margin:0}
.checks{list-style:none;display:grid;gap:9px;margin-top:18px}
.checks li{display:flex;gap:9px;align-items:flex-start;font-size:15px;color:var(--ink-700)}
.checks svg{width:18px;height:18px;color:var(--pos-700);flex:none;margin-top:2px}
.faq{max-width:800px;margin:30px auto 0}
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{list-style:none;cursor:pointer;font-weight:600;font-size:16px;padding:14px 32px 14px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'';position:absolute;right:6px;top:22px;width:9px;height:9px;border-right:2px solid var(--ink-400);border-bottom:2px solid var(--ink-400);transform:rotate(45deg);transition:transform .15s}
.faq details[open] summary::after{transform:rotate(-135deg);top:26px}
.faq details p{color:var(--ink-600);padding:0 0 16px;font-size:15px}
.center{text-align:center}
.mt{margin-top:26px}
.cta{background:linear-gradient(135deg,#1E1B4B,#312E81 55%,#1D4ED8);color:#fff;border-radius:var(--r-xl);padding:44px;text-align:center;margin:0 auto;max-width:980px}
.cta h2{color:#fff}
.cta p{color:#C7D2FE;margin:8px 0 22px;font-size:17px}
.cta .btn-primary{background:#fff;color:var(--brand-700)}
.prose{padding:48px 0 70px}
.prose h1{font-size:38px;letter-spacing:-.03em;line-height:1.12}
.prose .upd{color:var(--ink-500);font-size:14px;margin-top:8px}
.prose h2{font-size:21px;letter-spacing:-.02em;margin:30px 0 8px}
.prose p,.prose li{color:var(--ink-700);font-size:16px}
.prose p+p{margin-top:12px}
.prose ul{padding-left:20px;display:grid;gap:8px}
.prose a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.page-head{padding:48px 0 8px;text-align:center}
.page-head h1{font-size:40px;letter-spacing:-.035em;line-height:1.1}
.page-head .sub{color:var(--ink-600);font-size:18px;max-width:680px;margin:12px auto 0}
/* footer */
footer{border-top:1px solid var(--line);background:var(--surface);padding:48px 0 30px;margin-top:0}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px}
footer h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-500);margin-bottom:10px}
footer nav{display:grid;gap:7px}
footer nav a{color:var(--ink-700);font-size:14px}
footer nav a:hover{color:var(--ink-900);text-decoration:underline}
footer .tag{color:var(--ink-600);font-size:14px;margin-top:10px;max-width:330px}
.fbot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:var(--ink-500);font-size:13px}
.langs{display:flex;flex-wrap:wrap;gap:4px 12px}
.langs a{color:var(--ink-600)}
.langs a[aria-current]{color:var(--ink-900);font-weight:600}
@media (max-width:980px){.menu{display:none}.prices{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(2,1fr)}.result{grid-template-columns:1fr}.compare{border-right:0;border-bottom:1px solid var(--line)}.fgrid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.wrap{padding:0 16px}.hero{padding-top:34px}.hero h1{font-size:32px}.hero .sub{font-size:16px}.g3,.g2,.g4,.prices{grid-template-columns:1fr}.sec{padding:46px 0}.sec h2{font-size:26px}.nav .btn{display:none}.drop{padding:38px 14px;margin:12px}.size input{width:80px}.cta{padding:30px 20px}.prose h1,.page-head h1{font-size:30px}.restore input{width:180px}}