:root{--bg: oklch(99% .002 240);--surface: oklch(100% 0 0);--fg: oklch(18% .012 250);--muted: oklch(52% .012 250);--border: oklch(92% .005 250);--accent: oklch(58% .18 255);--font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", system-ui, sans-serif;--font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;--accent-strong: oklch(50% .165 255);--accent-soft: oklch(97% .02 255);--accent-ring: oklch(58% .18 255 / .35);--hero-1: oklch(20% .05 255);--hero-2: oklch(30% .09 265);--ink: oklch(96% .01 250);--ink-mut: oklch(82% .02 250);--radius: 14px;--shadow: 0 1px 2px oklch(18% .012 250 / .04), 0 8px 24px oklch(18% .012 250 / .05)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-body);background:var(--bg);color:var(--fg);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}img,svg{display:block}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;background:none;border:none;color:inherit}ul{list-style:none}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.container{width:min(1160px,100% - clamp(32px,6vw,80px));margin-inline:auto}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--ink);cursor:pointer}.brand-mark{width:34px;height:34px;border-radius:10px;flex:none;background:linear-gradient(135deg,var(--accent),oklch(62% .16 292));display:grid;place-items:center;box-shadow:0 4px 14px #1779e166}.brand-mark svg{width:22px;height:22px;color:#fff}.brand.on-dark{color:var(--ink)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:11px;font-weight:600;font-size:15px;transition:background-color .16s ease,border-color .16s ease,transform .16s ease}.btn svg{width:16px;height:16px}.btn-primary{background:var(--accent-strong);color:#fff;box-shadow:0 8px 22px #0061be52;box-shadow:0 8px 22px oklch(50% .165 255 / .32)}.btn-primary:hover{background:#0050a2;background:oklch(44% .16 255);transform:translateY(-1px)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-ghost-dark{border:1px solid oklch(100% 0 0 / .3);color:var(--ink);background:#ffffff0d}.btn-ghost-dark:hover{background:#ffffff24}.btn-ghost{border:1px solid var(--border);color:var(--fg);background:var(--surface)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent-strong);background:var(--accent-soft)}.btn.sm{min-height:38px;padding:0 15px;font-size:13.5px;border-radius:9px}.btn-block{width:100%}.spin{width:15px;height:15px;border-radius:50%;border:2px solid oklch(100% 0 0 / .35);border-top-color:#fff;animation:rot .7s linear infinite}@keyframes rot{to{transform:rotate(360deg)}}.nav{position:sticky;top:0;z-index:50;background:#05162cd9;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid oklch(100% 0 0 / .1)}.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:66px}.nav-links{display:flex;align-items:center;gap:28px}.nav-links a{color:#d4dfeb;font-size:15px;font-weight:500;transition:color .15s ease;cursor:pointer}.nav-links a:hover{color:#fff}.nav-actions{display:flex;align-items:center;gap:12px}.nav .btn{min-height:40px;padding:0 16px;font-size:14px}.nav-cta{background:#ffffff14;border:1px solid oklch(100% 0 0 / .22);color:var(--ink)}.nav-cta:hover{background:#ffffff29}.nav-burger{display:none;width:44px;height:44px;place-items:center;border-radius:10px;color:var(--ink);border:1px solid oklch(100% 0 0 / .2)}.nav-burger:hover{background:#ffffff1a}.nav-user{display:flex;align-items:center;gap:9px;color:var(--ink);font-size:14px;font-weight:600;cursor:pointer}.nav-user .chip{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--accent),oklch(62% .16 292));color:#fff;font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1;flex-shrink:0;text-align:center}@media(max-width:900px){.nav-links{display:none;position:absolute;top:72px;left:clamp(14px,5vw,40px);right:clamp(14px,5vw,40px);flex-direction:column;align-items:stretch;gap:4px;background:#111f37f7;border:1px solid oklch(100% 0 0 / .14);border-radius:14px;padding:14px;z-index:60}.nav-links.open{display:flex}.nav-links a{padding:12px 14px;border-radius:10px}.nav-links a:hover{background:#ffffff14}.nav-burger{display:grid}.nav .btn-auth{display:none}}.hero{position:relative;color:var(--ink);overflow:hidden;background:radial-gradient(1000px 600px at 80% -20%,oklch(62% .17 262 / .5),transparent 60%),radial-gradient(800px 520px at 5% 110%,oklch(67% .16 292 / .4),transparent 62%),linear-gradient(180deg,var(--hero-1),var(--hero-2))}.hero-inner{position:relative;text-align:center;padding:clamp(72px,9vw,120px) 0 clamp(60px,8vw,96px);max-width:860px;margin-inline:auto}.hero-eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;border:1px solid oklch(100% 0 0 / .22);background:#ffffff0f;font-size:13.5px;font-weight:600}.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:#55c975;box-shadow:0 0 0 4px #55c97538}.hero h1{font-family:var(--font-display);font-size:clamp(48px,8vw,84px);line-height:1.05;letter-spacing:-.03em;font-weight:800;margin:20px 0 12px;background:linear-gradient(94deg,oklch(86% .04 240),var(--accent) 48%,oklch(74% .13 205));-webkit-background-clip:text;background-clip:text;color:transparent}.hero-sub{font-size:clamp(17px,2vw,21px);font-weight:600}.hero-note{margin:10px auto 0;max-width:52ch;color:var(--ink-mut);font-size:15.5px}.hero-cta{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:30px}.hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:36px}.chip{display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:11px;border:1px solid oklch(100% 0 0 / .16);background:#ffffff0d;font-size:13.5px;font-weight:500}.chip svg{width:16px;height:16px;color:#63b9fe}section{scroll-margin-top:82px}.sec{padding:clamp(60px,8vw,96px) 0}.sec-head{max-width:680px;margin:0 auto clamp(34px,4.5vw,50px);text-align:center}.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--accent-strong);text-transform:uppercase;margin-bottom:14px}.sec-head h2{font-family:var(--font-display);font-size:clamp(28px,3.4vw,38px);letter-spacing:-.02em;font-weight:750;line-height:1.15;margin-bottom:12px}.sec-head p{color:var(--muted);font-size:clamp(15px,1.4vw,16.5px)}.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow)}.feat-card .f-ic{width:46px;height:46px;border-radius:12px;background:var(--accent-soft);border:1px solid oklch(58% .18 255 / .22);display:grid;place-items:center;color:var(--accent-strong);margin-bottom:16px}.feat-card .f-ic svg{width:23px;height:23px}.feat-card h3{font-family:var(--font-display);font-size:18px;font-weight:700;margin-bottom:8px}.feat-card p{color:var(--muted);font-size:14.5px;line-height:1.65}@media(max-width:860px){.feat-grid{grid-template-columns:1fr;max-width:520px;margin-inline:auto}}.dl-section{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.dl-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.dl-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px 20px;text-align:center;box-shadow:var(--shadow);min-width:0}.dl-card .d-ic{width:52px;height:52px;margin:0 auto 14px;border-radius:14px;background:var(--accent-soft);border:1px solid oklch(58% .18 255 / .22);display:grid;place-items:center;color:var(--accent-strong)}.dl-card .d-ic svg{width:27px;height:27px}.dl-card b{display:block;font-family:var(--font-display);font-size:17px;font-weight:700;word-break:break-word}.dl-card .d-sub{font-size:12.5px;color:var(--muted);margin:3px 0 14px}.dl-card .d-url{display:block;font-size:11.5px;color:var(--muted);background:#f3f5f8;border:1px solid var(--border);border-radius:7px;padding:5px 8px;margin-bottom:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.dl-card 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.22);color:var(--accent-strong);font-size:13.5px;text-align:center;line-height:1.7}@media(max-width:900px){.price-grid{grid-template-columns:1fr;max-width:460px;margin-inline:auto}}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:48px 20px;background:var(--bg)}.auth-card{width:min(440px,100%);background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:36px 32px}.auth-head{text-align:center;margin-bottom:26px}.auth-head .brand{justify-content:center;font-size:20px;color:var(--fg);margin-bottom:16px}.auth-head h2{font-family:var(--font-display);font-size:24px;font-weight:760;letter-spacing:-.02em}.auth-head p{color:var(--muted);font-size:14px;margin-top:6px}.field{margin-bottom:16px}.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;padding:11px 13px;border-radius:10px;border:1px solid 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clamp(18px,4vw,40px)}.user-top .brand{color:var(--fg)}.user-top .ut-right{display:flex;align-items:center;gap:12px}.user-top .ut-right .btn{min-height:38px;padding:0 14px;font-size:13.5px}.user-body{max-width:720px;margin-inline:auto;padding:32px clamp(18px,4vw,40px) 72px}.user-tabs{display:flex;gap:8px;margin-bottom:22px;flex-wrap:wrap}.user-tabs button{padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;color:var(--muted);border:1px solid var(--border);background:var(--surface)}.user-tabs button:hover{border-color:var(--accent);color:var(--accent-strong)}.user-tabs button.active{background:var(--accent-strong);color:#fff;border-color:var(--accent-strong)}.user-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}.user-card h3{font-family:var(--font-display);font-size:18px;font-weight:700;margin-bottom:4px}.user-card .card-sub{color:var(--muted);font-size:13.5px;margin-bottom:22px}#user-summary{margin-bottom:18px}.summary-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid var(--border);font-size:14px}.summary-row:last-child{border-bottom:none}.summary-row .s-l{color:var(--muted)}.summary-row .s-r{font-weight:650}.success-box{display:none;align-items:flex-start;gap:10px;padding:13px 15px;border-radius:11px;background:#d8f9dd;border:1px solid oklch(88% .09 150);color:#007834;color:oklch(50% .15 150);font-size:13.5px;margin-bottom:18px;line-height:1.6}.success-box.show{display:flex}.success-box svg{width:18px;height:18px;flex:none;margin-top:1px}.recharge-amounts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}.ra{border:1px solid var(--border);border-radius:12px;padding:20px 14px;text-align:center;cursor:pointer;transition:border-color .15s ease,background .15s ease;display:flex;flex-direction:column;align-items:center;gap:6px}.ra:hover{border-color:#1779e180}.ra.sel{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 3px var(--accent-ring)}.ra .ra-name{font-family:var(--font-display);font-size:16px;font-weight:700}.ra .ra-dur{font-size:12px;color:var(--muted)}.ra .ra-price{font-family:var(--font-display);font-size:26px;font-weight:780;font-variant-numeric:tabular-nums;margin-top:4px}.ra .ra-sub{font-size:11.5px;font-weight:600;color:#00713d;color:oklch(48% .14 155);background:#d5f9e08c;border:1px solid oklch(74% .12 155 / .5);padding:3px 10px;border-radius:999px;margin-top:4px;white-space:nowrap}@media(max-width:560px){.recharge-amounts{grid-template-columns:1fr}}.pay-note{display:flex;gap:10px;align-items:flex-start;padding:13px 15px;border-radius:11px;background:var(--accent-soft);border:1px solid oklch(58% .18 255 / .22);color:var(--accent-strong);font-size:13px;line-height:1.7;margin-bottom:20px}.pay-note svg{width:17px;height:17px;flex:none;margin-top:1px}.footer{background:#040f23;color:#b7bfc7}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:34px 0}.footer .f-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink)}.footer .f-copy{font-size:13px;color:#8f9aa4}.footer .f-links{display:flex;gap:20px;flex-wrap:wrap}.footer .f-links a{font-size:13.5px;color:#a8b2be;cursor:pointer}.footer .f-links a:hover{color:#fff}.toast-wrap{position:fixed;top:20px;left:50%;transform:translate(-50%);z-index:200;display:grid;gap:8px;width:min(420px,calc(100vw - 32px))}.toast{background:#101419;color:#fff;padding:11px 16px;border-radius:11px;font-size:13.5px;display:flex;gap:9px;align-items:flex-start;box-shadow:0 12px 32px #0e12174d;opacity:0;transform:translateY(-8px);transition:opacity .25s ease,transform .25s ease}.toast.show{opacity:1;transform:none}.toast svg{width:17px;height:17px;flex:none;margin-top:1px}.toast.ok svg{color:#5dc879}.toast.err svg{color:#f08f87}.overlay{position:fixed;inset:0;background:#03060d80;display:flex;align-items:center;justify-content:center;z-index:300;opacity:0;pointer-events:none;transition:opacity .2s ease;padding:20px}.overlay.open{opacity:1;pointer-events:auto}.dialog{width:min(400px,100%);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 24px 60px #0e12174d;padding:28px 26px;text-align:center;transform:translateY(8px);transition:transform .2s ease}.overlay.open .dialog{transform:none}.dialog .dg-ic{width:52px;height:52px;margin:0 auto 16px;border-radius:50%;background:var(--accent-soft);display:grid;place-items:center;color:var(--accent-strong)}.dialog .dg-ic svg{width:25px;height:25px}.dialog h3{font-size:18px;font-weight:750;margin-bottom:8px}.dialog p{color:var(--muted);font-size:14px;line-height:1.7;margin-bottom:20px}.dialog .btn{width:100%}