:root { --red:#ef0016; --red-dark:#c90012; --ink:#15171c; --muted:#687080; --line:#e9ebef; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; background:#fff; color:var(--ink); font-family:Roboto,Arial,sans-serif; }
button,input { font:inherit; }
.seller-topbar { display:flex; height:78px; align-items:center; justify-content:space-between; padding:0 max(28px,calc((100vw - 1440px)/2)); border-bottom:1px solid #e6e8ec; box-shadow:0 2px 10px rgb(26 31 45 / 4%); }
.seller-brand { display:flex; width:185px; height:78px; align-items:center; padding:0 28px; border-radius:0 0 22px 0; background:#f5f5f6; }
.seller-brand img { width:128px; }
.seller-guide { display:flex; min-height:40px; align-items:center; gap:8px; padding:0 18px; border:1px solid #ff7a86; border-radius:8px; color:var(--red); font-size:13px; font-weight:800; text-decoration:none; }
.seller-guide img { width:17px; filter:invert(15%) sepia(99%) saturate(6772%) hue-rotate(350deg) brightness(98%); }
.seller-shell { width:min(1440px,calc(100% - 48px)); margin:24px auto 48px; }
.seller-hero { position:relative; display:grid; min-height:600px; grid-template-columns:430px minmax(0,1fr); gap:38px; overflow:hidden; padding:20px; border-radius:15px; background:radial-gradient(circle at 76% 34%,#ff3649 0 12%,transparent 12.2%),linear-gradient(135deg,#f00016,#df0015 58%,#f40019); box-shadow:0 12px 38px rgb(222 0 20 / 18%); }
.seller-hero::before { position:absolute; width:400px; height:400px; border:38px solid rgb(255 255 255 / 5%); border-radius:50%; content:""; right:35px; top:35px; }
.seller-hero::after { position:absolute; width:210px; height:210px; background-image:radial-gradient(rgb(255 255 255 / 15%) 2px,transparent 2px); background-size:18px 18px; content:""; right:-20px; top:-30px; }
.seller-auth-card { position:relative; z-index:4; padding:24px 34px 22px; border-radius:14px; background:#fff; box-shadow:0 14px 35px rgb(92 0 8 / 24%); }
.seller-auth-heading { text-align:center; }
.seller-user-icon { display:grid; width:54px; height:54px; margin:0 auto 13px; place-items:center; border-radius:50%; background:linear-gradient(145deg,#fa0017,#d90014); box-shadow:0 6px 18px rgb(239 0 22 / 28%); }
.seller-user-icon img { width:28px; filter:brightness(0) invert(1); }
.seller-auth-heading h1 { margin:0 0 8px; font-size:24px; }
.seller-auth-heading p { max-width:315px; margin:0 auto; color:#626b7b; font-size:14px; line-height:1.55; }
.seller-tabs { display:grid; grid-template-columns:1fr 1fr; margin:22px 0 20px; border-bottom:1px solid #e4e7ec; }
.seller-tabs button,.seller-tabs>a { position:relative; display:flex; height:45px; align-items:center; justify-content:center; gap:7px; border:0; background:none; color:#7b8290; font-size:13px; font-weight:800; text-decoration:none; cursor:pointer; }
.seller-tabs button::after,.seller-tabs>a::after { position:absolute; right:0; bottom:-1px; left:0; height:2px; border-radius:2px; background:var(--red); content:""; opacity:0; }
.seller-tabs button.is-active { color:var(--red); }
.seller-tabs button.is-active::after { opacity:1; }
.seller-tabs img { width:17px; opacity:.7; }
.seller-tabs button.is-active img { filter:invert(15%) sepia(99%) saturate(6772%) hue-rotate(350deg) brightness(98%); opacity:1; }
.seller-form { display:none; }
.seller-form.is-active { display:block; animation:formIn .25s ease; }
@keyframes formIn { from{opacity:0;transform:translateY(5px)} }
.seller-form > label { display:block; margin-bottom:13px; color:#3c4350; font-size:11px; font-weight:800; }
.seller-form > label > span { display:block; margin-bottom:7px; }
.seller-form label i { display:flex; height:42px; align-items:center; gap:10px; padding:0 12px; border:1px solid #d9dee6; border-radius:7px; background:#fff; font-style:normal; transition:border-color .2s,box-shadow .2s; }
.seller-form label i:focus-within { border-color:#ff7180; box-shadow:0 0 0 3px rgb(239 0 22 / 8%); }
.seller-form label i > img { width:17px; opacity:.55; }
.seller-form input { min-width:0; flex:1; border:0; outline:0; color:#222; font-size:12px; }
.seller-form input::placeholder { color:#9aa1ad; }
.seller-form label i button { display:grid; width:26px; height:26px; place-items:center; padding:0; border:0; background:none; cursor:pointer; }
.seller-form label i button img { width:17px; opacity:.7; }
.seller-form label small { display:none; margin-top:5px; color:var(--red); font-weight:500; }
.seller-form label.is-invalid i { border-color:var(--red); }
.seller-form label.is-invalid small { display:block; }
.seller-form-options { display:flex; align-items:center; justify-content:space-between; margin:3px 0 16px; font-size:11px; }
.seller-form-options label { display:flex; align-items:center; gap:7px; font-weight:700; }
.seller-form-options input { width:15px; height:15px; flex:none; accent-color:var(--red); }
.seller-form-options a { color:var(--red); font-weight:700; text-decoration:none; }
.seller-submit { display:flex; width:100%; height:42px; align-items:center; justify-content:center; gap:9px; border:0; border-radius:7px; background:linear-gradient(90deg,#e80015,#fa0017); box-shadow:0 7px 16px rgb(239 0 22 / 20%); color:#fff; font-size:13px; font-weight:800; cursor:pointer; transition:transform .2s,box-shadow .2s; }
.seller-submit:hover { box-shadow:0 10px 22px rgb(239 0 22 / 30%); transform:translateY(-2px); }
.seller-submit b { position:absolute; margin-left:300px; font-size:19px; }
.seller-sms { display:flex; width:100%; height:38px; align-items:center; justify-content:center; gap:7px; margin-top:11px; border:1px solid #d8dde5; border-radius:7px; background:#fff; color:#424a59; font-size:11px; font-weight:700; cursor:pointer; }
.seller-sms img { width:15px; filter:invert(15%) sepia(99%) saturate(6772%) hue-rotate(350deg) brightness(98%); }
.seller-secure { display:flex; align-items:center; justify-content:center; gap:6px; margin:14px 0 0; color:#778090; font-size:10px; }
.seller-secure img { width:14px; opacity:.65; }
.seller-form-status { min-height:0; margin:7px 0 0; color:#1a8a4b; font-size:11px; font-weight:700; text-align:center; }
.seller-hero-content { position:relative; z-index:2; align-self:start; max-width:420px; padding-top:35px; color:#fff; }
.seller-trust-pill { display:inline-flex; min-height:34px; align-items:center; gap:7px; padding:0 15px; border-radius:999px; background:#fff; color:var(--red); font-size:12px; font-weight:800; }
.seller-trust-pill img { width:16px; filter:invert(15%) sepia(99%) saturate(6772%) hue-rotate(350deg) brightness(98%); }
.seller-hero-content h2 { margin:27px 0 14px; font-size:40px; line-height:1.12; }
.seller-hero-content > p { max-width:390px; margin:0; font-size:14px; line-height:1.65; opacity:.9; }
.seller-feature-icons { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:35px; }
.seller-feature-icons article { display:flex; min-width:0; flex-direction:column; font-size:9px; }
.seller-feature-icons article > span { display:grid; width:64px; height:62px; margin-bottom:9px; place-items:center; border-radius:12px; background:#fff; box-shadow:0 7px 20px rgb(101 0 9 / 20%); }
.seller-feature-icons article img { width:31px; filter:invert(15%) sepia(99%) saturate(6772%) hue-rotate(350deg) brightness(98%); }
.seller-feature-icons b { margin-bottom:6px; font-size:10px; }
.seller-feature-icons small { max-width:85px; line-height:1.4; opacity:.8; }
.seller-hero-stats { position:absolute; display:grid; width:750px; grid-template-columns:repeat(4,1fr); left:0; top:435px; padding-top:26px; border-top:1px solid rgb(255 255 255 / 27%); }
.seller-hero-stats > div { display:flex; align-items:center; gap:12px; padding:0 20px; border-right:1px solid rgb(255 255 255 / 28%); }
.seller-hero-stats > div:first-child { padding-left:0; }
.seller-hero-stats > div:last-child { border:0; }
.seller-hero-stats img { width:35px; filter:brightness(0) invert(1); }
.seller-hero-stats span { display:flex; flex-direction:column; }
.seller-hero-stats b { font-size:17px; }
.seller-hero-stats small { margin-top:4px; font-size:10px; }
.seller-laptop { position:absolute; z-index:1; width:390px; right:35px; top:140px; transform:rotate(3deg); }
.seller-laptop-screen { display:flex; height:235px; align-items:center; justify-content:center; flex-direction:column; gap:20px; border:12px solid #1a1d22; border-radius:12px 12px 4px 4px; background:linear-gradient(145deg,#fff,#e7e7e7); box-shadow:0 22px 35px rgb(92 0 8 / 35%); }
.seller-laptop-screen > img { width:150px; }
.seller-laptop-screen span { display:grid; width:62px; height:62px; place-items:center; border-radius:50%; background:var(--red); }
.seller-laptop-screen span img { width:35px; filter:brightness(0) invert(1); }
.seller-laptop-base { width:445px; height:22px; margin-left:-28px; border-radius:2px 2px 45px 45px; background:linear-gradient(#dedede,#777); box-shadow:0 10px 18px rgb(55 0 5 / 30%); }
.seller-seal { position:absolute; display:grid; width:76px; height:76px; place-items:center; left:-47px; top:-8px; border:9px solid #ff7682; border-radius:40% 53% 45% 55%; background:#ee0016; box-shadow:0 8px 25px rgb(74 0 7 / 30%); color:#fff; font-size:42px; font-weight:900; transform:rotate(-10deg); }
.seller-boxes { position:absolute; display:grid; gap:2px; left:-70px; bottom:5px; }
.seller-boxes i { display:block; width:70px; height:42px; border:1px solid #a94c09; background:linear-gradient(135deg,#d8873e,#a94c09); box-shadow:0 5px 9px rgb(70 0 3 / 18%); }
.seller-boxes i:nth-child(2) { margin-left:-28px; }.seller-boxes i:nth-child(3){margin-left:5px}
.seller-trust-strip { display:grid; grid-template-columns:repeat(4,1fr); gap:0; margin-top:26px; padding:32px 28px; border:1px solid var(--line); border-radius:14px; box-shadow:0 9px 28px rgb(30 36 50 / 5%); }
.seller-trust-strip article { display:flex; gap:15px; padding:0 27px; border-right:1px solid #dfe2e8; }
.seller-trust-strip article:last-child { border:0; }
.seller-trust-strip article > span,.seller-benefit-grid article > span,.seller-security-band article > span { display:grid; width:58px; height:58px; flex:0 0 58px; place-items:center; border-radius:16px; background:#fff0f1; }
.seller-trust-strip img,.seller-benefit-grid img,.seller-security-band article img { width:29px; filter:invert(15%) sepia(99%) saturate(6772%) hue-rotate(350deg) brightness(98%); }
.seller-trust-strip b { font-size:14px; }.seller-trust-strip p{margin:7px 0 0;color:#626b7b;font-size:11px;line-height:1.55}
.seller-why { padding:42px 42px 30px; }
.seller-why > header { text-align:center; }.seller-why h2{margin:0;font-size:27px}.seller-why h2 strong{color:var(--red)}.seller-why header p{color:#737b89;font-size:14px}
.seller-benefit-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:34px; }
.seller-benefit-grid article { display:flex; min-height:140px; align-items:center; gap:20px; padding:26px; border:1px solid #edf0f3; border-radius:12px; background:#fff; box-shadow:0 9px 24px rgb(30 36 50 / 6%); transition:transform .2s,box-shadow .2s; }
.seller-benefit-grid article:hover { box-shadow:0 15px 30px rgb(239 0 22 / 10%); transform:translateY(-4px); }
.seller-benefit-grid h3 { margin:0 0 8px; font-size:17px; }.seller-benefit-grid p{margin:0;color:#646d7c;font-size:13px;line-height:1.55}
.seller-security-band { display:flex; min-height:130px; align-items:center; justify-content:space-between; margin:25px 42px 42px; padding:24px 30px; border-radius:12px; background:linear-gradient(90deg,#fff3f4,#fff); }
.seller-security-band article { display:flex; align-items:center; gap:20px; }.seller-security-band h2{margin:0 0 7px;font-size:20px}.seller-security-band p{margin:0;color:#697180;font-size:12px}.seller-security-band ul{display:flex;gap:50px;margin:0;padding:0;list-style:none}.seller-security-band li{display:flex;align-items:center;gap:11px;color:#424956;font-size:11px}.seller-security-band li img{width:31px;opacity:.58}
.seller-app { position:relative; display:grid; min-height:395px; grid-template-columns:280px 1fr 1.2fr; align-items:center; gap:40px; overflow:hidden; margin:0 8px; padding:35px 55px; border-radius:18px; background:radial-gradient(circle at 13% 50%,rgb(239 0 22 / 16%),transparent 25%),linear-gradient(135deg,#08090b,#12151a); color:#fff; }
.seller-app::after{position:absolute;width:260px;height:260px;border:1px solid rgb(239 0 22 / 25%);border-radius:50%;content:"";left:0;top:60px}
.seller-phone { position:relative; z-index:2; width:190px; height:340px; margin:auto; padding:9px; border:5px solid #393b40; border-radius:31px; background:#070809; box-shadow:0 18px 45px rgb(0 0 0 / 60%); transform:rotate(-8deg); }
.seller-phone::before{position:absolute;width:70px;height:14px;border-radius:0 0 12px 12px;background:#090a0c;content:"";left:55px;top:7px}
.seller-phone-screen{overflow:hidden;height:100%;border-radius:20px;background:#f5f6f8;color:#171717}.seller-phone-screen header{padding:27px 15px 13px;background:var(--red);color:#fff;font-size:18px;font-weight:900}.seller-phone-screen header small{display:block;font-size:8px}.seller-phone-screen section{display:flex;flex-direction:column;gap:10px;padding:18px 13px;font-size:10px}.seller-phone-screen section>span{height:42px;border-radius:7px;background:#fff;box-shadow:0 4px 12px rgb(0 0 0 / 8%)}.seller-phone-screen section div{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.seller-phone-screen section i{height:55px;border-radius:6px;background:linear-gradient(#fff,#ffe8ea)}
.seller-app-copy{position:relative;z-index:2}.seller-app-copy h2{margin:0;font-size:32px;line-height:1.3}.seller-app-copy h2 strong{color:var(--red)}.seller-app-copy p,.seller-app-download p{color:#a7aab0;font-size:14px;line-height:1.55}.seller-app-copy ul,.seller-app-download ul{display:flex;gap:18px;margin:22px 0 0;padding:0;list-style:none;color:#d6d8dc;font-size:11px}.seller-app-download{position:relative;z-index:2;padding-left:38px;border-left:1px solid #363940}.seller-app-download h3{margin:0;font-size:18px}.seller-app-download h3 span{display:inline-grid;width:54px;height:54px;margin-right:14px;place-items:center;border:1px solid #6b3037;border-radius:50%;color:var(--red);font-size:26px}.seller-app-download>div{display:flex;gap:12px;margin-top:20px}.seller-app-download a{display:flex;min-width:180px;height:54px;align-items:center;justify-content:center;gap:10px;border:1px solid #eee;border-radius:7px;color:#fff;text-decoration:none}.seller-app-download a img{width:28px;filter:brightness(0) invert(1)}.seller-app-download a span{display:flex;flex-direction:column}.seller-app-download a small{font-size:9px}.seller-app-download a b{font-size:15px}
@media(max-width:1180px){.seller-hero{grid-template-columns:400px 1fr}.seller-laptop{width:310px;right:20px;top:180px}.seller-laptop-screen{height:190px}.seller-laptop-base{width:360px}.seller-hero-stats{width:660px}.seller-feature-icons{grid-template-columns:repeat(2,100px)}.seller-trust-strip{grid-template-columns:repeat(2,1fr);gap:24px}.seller-trust-strip article:nth-child(2){border:0}.seller-app{grid-template-columns:230px 1fr}.seller-app-download{grid-column:1/-1;border:0;padding:0}.seller-phone{grid-row:1/span 2}}
@media(max-width:850px){.seller-shell{width:min(100% - 24px,680px);margin-top:12px}.seller-topbar{height:64px;padding:0 14px}.seller-brand{width:auto;height:64px;padding:0 14px}.seller-brand img{width:105px}.seller-guide{padding:0 11px;font-size:11px}.seller-hero{display:block;padding:12px}.seller-auth-card{padding:22px}.seller-hero-content{padding:28px 14px 240px;max-width:none}.seller-laptop{right:40px;top:auto;bottom:35px}.seller-hero-stats{position:static;width:100%;grid-template-columns:repeat(2,1fr);gap:15px;margin-top:30px}.seller-hero-stats>div{padding:0;border:0}.seller-trust-strip{grid-template-columns:1fr;padding:23px}.seller-trust-strip article{padding:15px 0;border-right:0;border-bottom:1px solid #eee}.seller-benefit-grid{grid-template-columns:1fr}.seller-why{padding:36px 4px}.seller-security-band{align-items:flex-start;flex-direction:column;gap:25px;margin:10px 0 35px}.seller-security-band ul{flex-wrap:wrap;gap:20px}.seller-app{grid-template-columns:1fr;margin:0;padding:32px 24px}.seller-phone{grid-row:auto}.seller-app-download{grid-column:auto}.seller-app-download>div{flex-direction:column}.seller-app-download a{width:100%}}
@media(max-width:520px){.seller-guide img{display:none}.seller-guide{min-height:34px}.seller-hero-content h2{font-size:32px}.seller-feature-icons{grid-template-columns:repeat(2,1fr)}.seller-laptop{width:260px;right:15px}.seller-laptop-screen{height:158px}.seller-laptop-base{width:300px}.seller-seal{width:58px;height:58px;font-size:30px}.seller-auth-heading h1{font-size:21px}.seller-submit b{display:none}.seller-benefit-grid article{padding:20px}.seller-app-copy h2{font-size:26px}.seller-app-copy ul,.seller-app-download ul{flex-wrap:wrap}.seller-app-download h3{font-size:16px}.seller-hero-stats{grid-template-columns:1fr 1fr}.seller-hero-stats b{font-size:14px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}