@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap";
:root{--bg:#fafbff;--bg-soft:#fff;--surface:#fff;--bg-tint:#f7f8fc;--blue-50:#eef1ff;--lav-50:#f2eefe;--sky-50:#eaf2ff;--brand:#4f5bd5;--brand-2:#6e5be6;--brand-deep:#343c9e;--brand-soft:#7c87ec;--sky:#5b8def;--good:#16a34a;--good-bg:#e9f7ef;--warn-c:#d97706;--warn-bg:#fdf3e7;--bad:#dc2626;--bad-bg:#fdeaea;--ink:#171a2e;--ink-2:#3d4257;--muted:#767b8f;--line:#e2e3ef;--grad:linear-gradient(118deg,#4f5bd5 0%,#6e5be6 100%);--grad-soft:linear-gradient(120deg,#eef1ff 0%,#f2eefe 58%,#fff 100%);--r-sm:10px;--r:13px;--r-lg:16px;--r-xl:20px;--shadow-sm:0 1px 2px #171a2e0a, 0 2px 6px #282e6e0a;--shadow:0 1px 3px #171a2e0a, 0 4px 14px #282e6e0f;--shadow-lg:0 1px 2px #171a2e0a, 0 8px 28px #4f5bd514;--maxw:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-family:Plus Jakarta Sans,TikTok 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p{color:var(--muted);font-size:1.02rem}.btn{cursor:pointer;letter-spacing:.005em;white-space:nowrap;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:9px;padding:14px 28px;font-family:inherit;font-size:.96rem;font-weight:600;transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,filter .3s,border-color .3s,color .2s;display:inline-flex}.btn-primary{color:#fff;background:linear-gradient(90deg,#454fce 0%,#5a5fe2 56%,#7264ea 100%);border:1px solid #ffffff29;box-shadow:inset 0 1px #ffffff38,0 5px 16px #4f5bd538,0 1px 3px #4f5bd524}.btn-primary:hover{filter:brightness(1.04);transform:translateY(-2px);box-shadow:inset 0 1px #ffffff47,0 10px 26px #4f5bd54d,0 2px 6px #4f5bd529}.btn-primary:active{transform:translateY(0);box-shadow:inset 0 1px #fff3,0 4px 12px #4f5bd538}.btn-ghost{color:var(--ink);background:linear-gradient(90deg,#fff,#f7f7fc);border:1px solid #e6e6f1;box-shadow:0 1px 2px #171a2e08,0 5px 14px #171a2e0a}.btn-ghost:hover{color:var(--brand-deep);border-color:#d2d4ee;transform:translateY(-2px);box-shadow:0 2px 6px #171a2e0a,0 12px 26px #4f5bd51a}.btn-light{color:var(--brand-deep);background:linear-gradient(90deg,#fff 0%,#f1f0fb 100%);border:1px solid #fff9;box-shadow:inset 0 1px #ffffffe6,0 6px 18px #14123c38,0 1px 3px #14123c29}.btn-light:hover{transform:translateY(-2px);box-shadow:inset 0 1px #ffffffe6,0 12px 28px #14123c47,0 2px 6px #14123c2e}.btn-light:active{transform:translateY(0)}.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:#23273c;transform:translateY(-2px);box-shadow:0 16px 34px #171a2e47}.btn .arrow{transition:transform .3s}.btn:hover .arrow{transform:translate(4px)}header{z-index:60;-webkit-backdrop-filter:saturate(1.4)blur(14px);backdrop-filter:saturate(1.4)blur(14px);background:#fafbffcc;border-bottom:1px solid #e9e9f4e6;position:sticky;top:0}.nav{justify-content:space-between;align-items:center;height:72px;display:flex}.logo{letter-spacing:-.03em;align-items:center;gap:11px;font-size:1.18rem;font-weight:800;display:flex}.logo .mark{background:var(--grad);border-radius:10px;place-items:center;width:38px;height:38px;display:grid;box-shadow:0 6px 16px #4f5bd566,inset 0 1px #ffffff4d}.logo b{font-weight:800}.logo .byte{color:#121319}.logo .seo{background:linear-gradient(90deg,#4f5bd5,#7b6bf0);color:#0000;-webkit-background-clip:text;background-clip:text}.nav-menu{align-items:center;gap:34px;margin:0;padding:0;list-style:none;display:flex}.nav-menu a{color:var(--ink-2);font-size:.95rem;font-weight:500;transition:color .2s;position:relative}.nav-menu a:after{content:"";background:var(--brand);border-radius:2px;width:0;height:2px;transition:width .28s;position:absolute;bottom:-6px;left:0}.nav-menu a:hover{color:var(--brand-deep)}.nav-menu a:hover:after{width:100%}.nav-cta{align-items:center;gap:12px;display:flex}.menu-toggle{cursor:pointer;background:0 0;border:none;padding:8px;display:none}.hero{padding:74px 0 90px;position:relative}.hero-grid{grid-template-columns:1.05fr 1fr;align-items:center;gap:56px;display:grid}.hero h1{margin:22px 0 20px;font-size:clamp(2.1rem,4.6vw,3.35rem);font-weight:800}.hero h1 .hl{background:linear-gradient(100deg,#4f5bd5,#6e5be6 60%,#8b6bf2);color:#0000;-webkit-background-clip:text;background-clip:text}.hero p.lead{color:var(--ink-2);max-width:548px;margin-bottom:30px;font-size:1.1rem}.hero-cta{flex-wrap:wrap;gap:14px;margin-bottom:30px;display:flex}.hero-trust{color:var(--muted);flex-wrap:wrap;align-items:center;gap:22px;font-size:.88rem;display:flex}.hero-trust .item{align-items:center;gap:8px;display:flex}.mockup{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);padding:16px;position:relative}.mockup:before{content:"";z-index:-1;background:var(--grad);filter:blur(60px);opacity:.12;border-radius:50px;position:absolute;inset:-30px -20px}.mock-top{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.mock-dots{gap:5px;display:flex}.mock-dots span{border-radius:50%;width:8px;height:8px}.mock-dots span:first-child{background:#dfe2f5}.mock-dots span:nth-child(2){background:#e6e3f7}.mock-dots span:nth-child(3){background:#dce6fb}.mock-url{color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:4px 11px;font-size:.72rem}.mock-score{background:var(--grad-soft);border-radius:var(--r);border:1px solid #e5e8f8;justify-content:space-between;align-items:center;margin-bottom:10px;padding:14px 16px;display:flex}.mock-score .ring{background:conic-gradient(#4f5bd5 0 100%, #e9eaf5 0);border-radius:50%;place-items:center;width:52px;height:52px;display:grid;position:relative}.mock-score .ring:after{content:"";background:#fff;border-radius:50%;position:absolute;inset:6px}.mock-score .ring b{color:var(--brand-deep);font-size:.95rem;font-weight:800;position:relative}.mock-score .meta .label{color:var(--muted);font-size:.74rem}.mock-score .meta .val{letter-spacing:-.02em;font-size:1.3rem;font-weight:800}.mock-stats{grid-template-columns:1fr 1fr;gap:8px;display:grid}.mock-stat{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px;transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s}.mock-stat .k{color:var(--muted);align-items:center;gap:6px;margin-bottom:4px;font-size:.74rem;display:flex}.mock-stat .v{font-size:.95rem;font-weight:700}.mock-stat .chip{color:var(--brand-deep);background:var(--blue-50);border-radius:999px;margin-top:6px;padding:2px 8px;font-size:.68rem;font-weight:600;display:inline-block}.mock-stat.alt .chip{color:#5a3fae;background:var(--lav-50)}.mock-stat.alt2 .chip{color:#2f5aad;background:var(--sky-50)}@media (prefers-reduced-motion:no-preference){.mock-stat{animation:5s ease-in-out infinite antigravity}.mock-stat:nth-child(2){animation-delay:.8s}.mock-stat:nth-child(3){animation-delay:1.6s}.mock-stat:nth-child(4){animation-delay:2.4s}}.float-tag{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:11px;align-items:center;gap:8px;padding:8px 12px;font-size:.78rem;font-weight:600;animation:4.5s ease-in-out infinite float;display:flex;position:absolute;top:56px;right:-14px}.float-tag .pulse{background:var(--brand);border-radius:50%;width:8px;height:8px;animation:2s infinite pulse;box-shadow:0 0 #4f5bd599}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes pulse{0%{box-shadow:0 0 #4f5bd58c}70%{box-shadow:0 0 0 10px #4f5bd500}to{box-shadow:0 0 #4f5bd500}}@keyframes antigravity{0%,to{translate:0}50%{translate:0 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p{color:var(--muted);font-size:.89rem}.intro-grid{grid-template-columns:1fr 1fr;align-items:center;gap:56px;display:grid}.intro-left h2{margin:16px 0 22px;font-size:clamp(1.6rem,3.4vw,2.3rem);font-weight:800}.checklist{gap:14px;margin:0;padding:0;list-style:none;display:grid}.checklist li{color:var(--ink-2);align-items:flex-start;gap:13px;font-size:.98rem;display:flex}.checklist .tick{background:var(--blue-50);border:1px solid #d8ddfb;border-radius:8px;flex:none;place-items:center;width:26px;height:26px;margin-top:1px;display:grid}.engine{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--shadow-lg);padding:24px;position:relative}.engine:before{content:"";z-index:-1;background:var(--grad);filter:blur(60px);opacity:.1;border-radius:50px;position:absolute;inset:-26px}.engine .e-head{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.engine .e-head .title{font-size:1rem;font-weight:800}.engine .e-head .tag{color:var(--brand-deep);background:var(--blue-50);border-radius:999px;padding:4px 10px;font-size:.72rem;font-weight:600}.engine-steps{gap:8px;display:grid}.e-step{border-radius:var(--r-sm);background:var(--bg);border:1px solid var(--line);align-items:center;gap:12px;padding:10px 13px;transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,background .25s;display:flex}.e-step:hover{box-shadow:var(--shadow-sm);background:#fff;transform:translate(5px)}.e-step .n{width:28px;height:28px;color:var(--brand-deep);background:var(--grad-soft);border:1px solid #e6e9f8;border-radius:8px;flex:none;place-items:center;font-size:.8rem;font-weight:700;display:grid}.e-step .e-ico{opacity:.95;flex:none}.e-step .lbl{font-size:.9rem;font-weight:600}.e-step .desc{color:var(--muted);font-size:.74rem}.e-step .flow{color:#c6c9e0;margin-left:auto}.timeline{gap:12px;max-width:820px;margin:0 auto;display:grid;position:relative}.t-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);grid-template-columns:52px 1fr;align-items:flex-start;gap:18px;padding:18px 22px;transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s;display:grid}.t-item:hover{border-color:#d8daf0;transform:translateY(-5px);box-shadow:0 10px 28px #4f5bd51a}.t-num{width:44px;height:44px;color:var(--brand-deep);background:var(--grad-soft);border:1px solid #e6e9f8;border-radius:11px;place-items:center;font-size:1.1rem;font-weight:800;display:grid;position:relative}.t-num span{z-index:1;position:relative}.t-item h3{margin-bottom:5px;font-size:1.05rem;font-weight:700}.t-item p{color:var(--muted);font-size:.9rem}.pricing-grid{grid-template-columns:repeat(3,1fr);align-items:stretch;gap:20px;display:grid}.price-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);flex-direction:column;padding:26px 24px;transition:transform .4s cubic-bezier(.2,.7,.2,1),box-shadow .4s;display:flex;position:relative}.price-card:hover{transform:translateY(-7px);box-shadow:0 12px 32px #4f5bd51a}.price-card.featured{box-shadow:var(--shadow-lg);background:linear-gradient(#fff,#fbfbff);border:1px solid #0000;transform:scale(1.02)}.price-card.featured:before{content:"";border-radius:var(--r-lg);background:var(--grad);-webkit-mask-composite:xor;pointer-events:none;padding:1.6px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;-webkit-mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}.price-card.featured:hover{transform:scale(1.02)translateY(-7px)}.badge{background:var(--grad);color:#fff;letter-spacing:.04em;border-radius:999px;padding:5px 14px;font-size:.72rem;font-weight:700;position:absolute;top:-12px;left:50%;transform:translate(-50%);box-shadow:0 6px 16px #4f5bd542}.plan-name{letter-spacing:.02em;align-items:center;gap:8px;font-size:1rem;font-weight:700;display:flex}.plan-name .pico{background:var(--grad-soft);border:1px solid #e6e9f8;border-radius:8px;place-items:center;width:30px;height:30px;display:grid}.plan-vol{color:var(--muted);margin-top:8px;font-size:.86rem}.plan-price{align-items:baseline;gap:5px;margin:12px 0 4px;display:flex}.plan-price .amt{letter-spacing:-.03em;font-size:1.75rem;font-weight:800}.plan-price .per{color:var(--muted);font-size:.82rem}.plan-list{flex:1;gap:10px;margin:18px 0 22px;padding:0;list-style:none;display:grid}.plan-list li{color:var(--ink-2);align-items:flex-start;gap:9px;font-size:.88rem;display:flex}.plan-list .ck{flex:none;margin-top:3px}.price-card 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h4{color:#fff;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px;font-size:.82rem;font-weight:700}.foot-col a{color:#9498b4;margin-bottom:12px;font-size:.92rem;transition:color .2s,transform .2s;display:block}.foot-col a:hover{color:#fff;transform:translate(3px)}.foot-bottom{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:26px;display:flex}.foot-bottom p{color:#787c98;font-size:.84rem}.foot-social{gap:12px;display:flex}.foot-social a{background:#ffffff0f;border-radius:10px;place-items:center;width:36px;height:36px;transition:background .25s,transform .25s;display:grid}.foot-social a:hover{background:#ffffff24;transform:translateY(-2px)}.reveal{opacity:0;transition:opacity .7s,transform .7s cubic-bezier(.2,.7,.2,1);transform:translateY(26px)}.reveal.in{opacity:1;transform:none}.byteseo-audit{padding:20px 0 76px}.byteseo-audit-card{background:var(--surface);border:1px solid 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