:root{--bg:#0b0713;--bg-2:#120b1d;--surface:rgba(255,255,255,0.045);--surface-2:#171021;--line:rgba(255,255,255,0.09);--text:#f6f3fa;--muted:#b6aacb;--purple:#9b6cff;--purple-2:#e85cff;--pink:#ff2d6f;--green:#37d39a;--orange:#ff8f4d;--radius:16px;--safe-b:env(safe-area-inset-bottom,0px);--maxw:1120px;}*,*::before,*::after{box-sizing:border-box;}html,body{margin:0;padding:0;}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.55;}html[lang="zh"] body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;}html[lang="ru"] body{font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;}a{color:inherit;text-decoration:none;}button,a{-webkit-tap-highlight-color:transparent;}:focus-visible{outline:2px solid var(--purple-2);outline-offset:2px;}img,svg{display:block;}.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:clamp(22px,5vw,40px);}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:52px;padding:0 22px;border-radius:14px;border:none;cursor:pointer;font-family:inherit;font-size:1rem;font-weight:800;transition:transform 0.15s ease,filter 0.15s ease,box-shadow 0.15s ease;}.btn-primary{background:linear-gradient(90deg,var(--purple),var(--purple-2) 55%,var(--pink));color:#fff;box-shadow:0 12px 30px rgba(155,108,255,0.35);}.btn-primary:active{transform:translateY(1px);}.btn-ghost{background:rgba(255,255,255,0.05);color:var(--text);border:1px solid var(--line);}.btn-ghost:active{background:rgba(255,255,255,0.1);}.btn svg{width:18px;height:18px;fill:currentColor;flex:none;}.btn-lg{min-height:60px;padding:0 32px;font-size:1.08rem;}.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px clamp(22px,5vw,40px);}.brand a{display:inline-flex;align-items:center;width:104px;height:36px;background:url('../images/logo.png') no-repeat left / contain;font-size:0;color:transparent;overflow:hidden;flex:none;margin:0;}.top-right{display:flex;align-items:center;gap:10px;}.live-pill{display:none;align-items:center;gap:8px;min-height:38px;padding:0 15px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,0.04);color:var(--muted);font-size:0.8rem;white-space:nowrap;}.live-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(55,211,154,0.16);animation:pulse 2.2s infinite;}.lang-select{position:relative;}.lang-select select{appearance:none;-webkit-appearance:none;min-height:38px;padding:0 34px 0 14px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,0.05);color:var(--text);font-family:inherit;font-size:0.82rem;cursor:pointer;}.lang-select::after{content:"";position:absolute;inset-inline-end:13px;top:50%;width:7px;height:7px;border-inline-end:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:translateY(-70%) rotate(45deg);pointer-events:none;}.hero{position:relative;overflow:hidden;width:100%;}.hero-bg{position:absolute;inset:0;pointer-events:none;}.hero-bg .blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:0.4;}.hero-bg .b1{width:520px;height:520px;background:#4a1a6e;top:-180px;inset-inline-start:-150px;}.hero-bg .b2{width:430px;height:430px;background:#1a2a6e;bottom:-150px;inset-inline-end:-90px;}.hero-grid{position:relative;z-index:2;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:40px;padding:clamp(24px,5vw,64px) clamp(36px,8vw,64px) clamp(36px,6vw,72px);}.hero-copy{display:flex;flex-direction:column;align-items:center;}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 auto 16px;color:var(--purple-2);font-size:0.76rem;font-weight:700;text-transform:uppercase;letter-spacing:0.6px;}.eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--purple),var(--purple-2));}h1{margin:0 auto 16px;font-size:clamp(2.15rem,9.5vw,4.1rem);line-height:1.08;font-weight:900;letter-spacing:-0.5px;}.accent{background:linear-gradient(90deg,var(--purple),var(--purple-2) 55%,var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent;}.hero-sub-highlight{font-size:1.2rem;font-weight:700;background:linear-gradient(90deg,var(--purple),var(--purple-2) 55%,var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block;}.hero-sub-highlight-lg{font-size:1.6rem;font-weight:800;background:linear-gradient(90deg,var(--purple),var(--purple-2) 55%,var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block;padding:0 2px;}.sub{max-width:80ch;margin:0 auto 24px;color:var(--muted);font-size:clamp(0.98rem,4vw,1.15rem);line-height:1.6;}.sub .accent{font-size:clamp(1.1rem,4.2vw,1.3rem);font-weight:700;}.hero-actions{display:grid;gap:11px;max-width:420px;}.trust{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:18px;}.trust .pill{display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,0.04);color:var(--muted);font-size:0.78rem;font-weight:600;white-space:nowrap;}.trust .pill svg{width:13px;height:13px;flex:none;}.trust .pill.good svg{fill:var(--green);}.trust .pill.hot svg{fill:var(--orange);}.trust .pill.num svg{fill:var(--purple-2);}.install-tip{margin-top:12px;font-size:clamp(0.98rem,4vw,1.15rem);background:linear-gradient(90deg,var(--purple),var(--purple-2) 55%,var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.5;}.hero-copy .install-tip{text-align:center;}.stage{position:relative;width:100%;max-width:560px;margin:0 auto;}.chart-card{position:relative;z-index:2;padding:22px 20px 18px;background:var(--surface-2);border:1px solid var(--line);border-radius:18px;box-shadow:0 34px 80px rgba(0,0,0,0.5);overflow:hidden;text-align:left;}.chart-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}.chart-head .lbl{font-size:0.8rem;font-weight:800;color:var(--text);}.chart-head .sub{inset:unset;margin:0;color:var(--muted);font-size:0.7rem;font-weight:500;text-align:end;}.bars{display:flex;align-items:flex-end;gap:clamp(6px,2vw,10px);height:130px;}.bar{flex:1;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:7px;}.bar-track{width:100%;height:100%;display:flex;align-items:flex-end;}.bar .h{width:100%;border-radius:6px;background:linear-gradient(180deg,var(--purple-2),var(--purple));transform-origin:bottom;height:var(--h);}.chart-card.in .bar .h{animation:barGrow 0.9s cubic-bezier(.2,.7,.3,1) both;animation-delay:calc(var(--i) * 0.09s);}@keyframes barGrow{from{height:6px;}to{height:var(--h);}}.bar .l{color:var(--muted);font-size:0.68rem;white-space:nowrap;}.chart-card .note{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);color:var(--muted);font-size:0.72rem;display:flex;align-items:center;gap:8px;}.chart-card .note svg{width:13px;height:13px;fill:var(--green);flex:none;}.section{padding-top:clamp(16px,3vw,22px);padding-bottom:clamp(44px,7vw,76px);}.sec-head{max-width:620px;margin-bottom:clamp(20px,3.4vw,34px);}.sec-head .kicker{color:var(--purple-2);font-size:0.76rem;font-weight:700;text-transform:uppercase;letter-spacing:0.6px;margin:0 0 8px;}.sec-head h2{margin:0 0 10px;font-size:clamp(1.55rem,6vw,2.4rem);line-height:1.16;font-weight:900;letter-spacing:-0.4px;}.sec-head p{margin:0;color:var(--muted);font-size:0.97rem;}.sec-head.center{margin-inline:auto;text-align:center;}.stats-inner{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 10px;padding:clamp(20px,4vw,32px);border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,rgba(255,255,255,0.05),rgba(255,255,255,0.02));margin-bottom:clamp(40px,7vw,76px);}.stat{text-align:center;}.stat .val{font-size:clamp(1.35rem,7vw,2.1rem);font-weight:900;letter-spacing:-0.5px;line-height:1.1;}.stat .val em{font-style:normal;background:linear-gradient(90deg,var(--purple),var(--purple-2));-webkit-background-clip:text;background-clip:text;color:transparent;}.stat .lbl{margin-top:4px;color:var(--muted);font-size:0.78rem;}.cards{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;}.card{display:flex;gap:16px;align-items:flex-start;padding:20px 18px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,0.045),rgba(255,255,255,0.015));}.card .ic{width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(155,108,255,0.18),rgba(232,92,255,0.18));border:1px solid rgba(232,92,255,0.25);}.card .ic svg{width:21px;height:21px;stroke:var(--purple-2);}.card h3{margin:0 0 5px;font-size:1.05rem;font-weight:800;}.card p{margin:0;color:var(--muted);font-size:0.9rem;line-height:1.55;}.steps{display:grid;gap:12px;counter-reset:step;}.step{position:relative;padding:22px 20px 20px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(255,255,255,0.03);}.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;top:18px;inset-inline-end:18px;font-size:1.4rem;font-weight:900;color:rgba(255,255,255,0.14);}.step h3{margin:0 0 6px;font-size:1.08rem;font-weight:800;}.step p{margin:0;color:var(--muted);font-size:0.9rem;}.band{position:relative;overflow:hidden;text-align:center;padding:clamp(40px,7vw,68px) clamp(18px,4vw,40px);border:1px solid var(--line);border-radius:24px;background:radial-gradient(60% 120% at 50% 0%,rgba(155,108,255,0.2),transparent 60%),radial-gradient(60% 120% at 50% 110%,rgba(232,92,255,0.16),transparent 60%),linear-gradient(180deg,#16102a,#0d0a16);margin-bottom:clamp(40px,7vw,76px);}.band h2{margin:0 0 12px;font-size:clamp(1.7rem,7vw,2.7rem);font-weight:900;letter-spacing:-0.4px;line-height:1.15;}.band p{margin:0 0 26px;color:var(--muted);font-size:1rem;}.band .install-tip{margin-top:12px;font-size:clamp(0.98rem,4vw,1.15rem);background:linear-gradient(90deg,var(--purple),var(--purple-2) 55%,var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.5;}.band .btn{width:100%;max-width:420px;margin-inline:auto;}.faq{max-width:720px;margin:0 auto;}.faq-item{border:1px solid var(--line);border-radius:14px;margin-bottom:10px;background:rgba(255,255,255,0.03);overflow:hidden;}.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 18px;background:none;border:none;cursor:pointer;color:var(--text);font-family:inherit;font-size:0.96rem;font-weight:700;text-align:start;}.faq-q .chev{flex:none;width:16px;height:16px;border-inline-end:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform 0.2s ease;}.faq-item.open .faq-q .chev{transform:rotate(-135deg);margin-top:4px;}.faq-a{max-height:0;overflow:hidden;transition:max-height 0.28s ease;}.faq-a p{margin:0;padding:0 18px 18px;color:var(--muted);font-size:0.9rem;line-height:1.6;}.sticky-cta{position:fixed;z-index:99;bottom:0;inset-inline:0;width:100%;box-sizing:border-box;padding:10px clamp(20px,5vw,40px) calc(10px + var(--safe-b,0px));background:rgba(11,7,19,0.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line);box-shadow:0 -8px 25px rgba(0,0,0,0.4);transform:translateY(105%);transition:transform 0.3s cubic-bezier(0.16,1,0.3,1);}.sticky-cta.visible{transform:translateY(0);}.sticky-inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;}.sticky-txt{display:flex;flex-direction:column;gap:1px;line-height:1.25;text-align:left;min-width:0;flex:1;}.sticky-txt strong{font-size:0.88rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}.sticky-txt span{color:var(--muted);font-size:0.72rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}.sticky-cta .btn{min-height:44px;padding:0 18px;font-size:0.88rem;flex:none;white-space:nowrap;}.register-section{position:relative;min-height:calc(100vh - 160px);display:flex;align-items:center;justify-content:center;padding:40px clamp(20px,5vw,40px) 80px;}.register-card{position:relative;z-index:2;width:100%;max-width:480px;padding:clamp(28px,5vw,40px);background:var(--surface-2);border:1px solid var(--line);border-radius:20px;box-shadow:0 34px 80px rgba(0,0,0,0.6);text-align:left;}.register-header{text-align:center;margin-bottom:28px;}.register-header h1{font-size:clamp(1.6rem,5vw,2.1rem);font-weight:900;margin:0 0 8px;letter-spacing:-0.4px;}.register-header p{color:var(--muted);font-size:0.92rem;margin:0;}.form-group{margin-bottom:18px;}.form-group label{display:block;font-size:0.84rem;font-weight:700;color:var(--text);margin-bottom:7px;}.input-wrapper{position:relative;display:flex;align-items:center;}.form-control{width:100%;height:50px;padding:0 44px 0 16px;background:rgba(255,255,255,0.03);border:1px solid var(--line);border-radius:12px;color:var(--text);font-family:inherit;font-size:0.95rem;transition:border-color 0.2s ease,box-shadow 0.2s ease;}.form-control:focus{outline:none;border-color:var(--purple);box-shadow:0 0 0 3px rgba(155,108,255,0.18);}.form-control.no-icon{padding-right:16px;}.toggle-password{position:absolute;right:14px;background:none;border:none;cursor:pointer;color:var(--muted);padding:4px;display:flex;align-items:center;justify-content:center;transition:color 0.2s ease;}.toggle-password:hover{color:var(--text);}.toggle-password svg{width:18px;height:18px;fill:currentColor;}.register-btn{width:100%;margin-top:10px;}.register-footer-text{text-align:center;margin-top:20px;color:var(--muted);font-size:0.85rem;}.register-footer-text a{color:var(--purple-2);font-weight:700;}.register-footer-text a:hover{text-decoration:underline;}.footer{border-top:1px solid var(--line);padding:36px clamp(22px,5vw,40px) calc(85px + var(--safe-b,0px));background:linear-gradient(180deg,transparent,rgba(255,255,255,0.02));}.footer-inner{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:30px;}.footer-col-left{display:flex;align-items:center;gap:16px;max-width:650px;margin:0;padding:0;width:100%;}.footer-note{margin:0;color:var(--muted);font-size:0.76rem;line-height:1.5;text-align:left;}.footer-col-right{display:flex;flex-direction:column;align-items:flex-end;gap:10px;flex:none;}.footer-rights{color:var(--muted);font-size:0.76rem;text-align:right;}.footer-socials{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:10px;}.social-icon{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;border:1px solid #211b2c;background:#211b2c;color:var(--text);font-size:0.78rem;font-weight:600;white-space:nowrap;transition:transform 0.15s ease,border-color 0.15s ease,background 0.15s ease,color 0.15s ease;}.social-icon svg{width:14px;height:14px;fill:currentColor;flex:none;}.social-icon:hover{border-color:#4b2b79;color:#8b42f0;background:#2a2238;}.social-icon:active{transform:scale(0.96);}.floating-sidebar{position:fixed;right:20px;bottom:90px;z-index:98;display:flex;flex-direction:column;gap:10px;}.float-btn{width:46px;height:46px;border-radius:50%;background:var(--purple-2);color:var(--text);border:none;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(0,0,0,0.4);cursor:pointer;transition:all 0.2s ease;text-decoration:none;}.float-btn svg{width:20px;height:20px;fill:currentColor;}.float-btn:hover{transform:scale(1.08);background:var(--purple);}#backToTop{opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease,transform 0.2s ease;}#backToTop.show{opacity:1;visibility:visible;}@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(55,211,154,0.16);}50%{box-shadow:0 0 0 7px rgba(55,211,154,0.05);}}html.js-anim .reveal{opacity:0;transform:translateY(16px);transition:opacity 0.6s ease,transform 0.6s ease;}html.js-anim .reveal.in{opacity:1;transform:none;}html.js-anim .hero .hero-copy > *,html.js-anim .hero .stage{opacity:0;animation:riseIn 0.7s cubic-bezier(.2,.7,.3,1) forwards;}html.js-anim .hero .hero-copy >:nth-child(1){animation-delay:0.05s;}html.js-anim .hero .hero-copy >:nth-child(2){animation-delay:0.14s;}html.js-anim .hero .hero-copy >:nth-child(3){animation-delay:0.22s;}html.js-anim .hero .hero-copy >:nth-child(4){animation-delay:0.3s;}html.js-anim .hero .hero-copy >:nth-child(5){animation-delay:0.38s;}html.js-anim .hero .stage{animation-delay:0.2s;}@keyframes riseIn{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:translateY(0);}}@media (max-width:1023px){.footer-inner{flex-direction:column;align-items:center;gap:24px;text-align:center;}.footer-col-left{align-items:center;justify-content:center;margin:0 auto;width:100%;}.footer-note{text-align:left;}.footer-col-right,.footer-rights,.footer-socials{align-items:center;justify-content:center;width:100%;text-align:center;}}@media (min-width:560px){.cards{grid-template-columns:repeat(2,minmax(0,1fr));}.stats-inner{grid-template-columns:repeat(3,minmax(0,1fr));}.band .btn{width:auto;}}@media (min-width:720px){.brand{width:121px;height:42px;}.cards{grid-template-columns:repeat(3,minmax(0,1fr));}.steps{grid-template-columns:repeat(3,minmax(0,1fr));}}@media (min-width:1024px){.live-pill{display:inline-flex;}.hero-grid{flex-direction:row;justify-content:center;gap:clamp(40px,6vw,80px);}.hero-copy{align-items:flex-start;text-align:left;}.hero-actions{margin:0;display:flex;flex-wrap:wrap;}.hero-actions .btn{width:auto;}.eyebrow,h1,.sub{margin:0 0 16px 0;}.sub{margin-bottom:24px;}.trust{justify-content:flex-start;}.stats-inner{grid-template-columns:repeat(5,minmax(0,1fr));}.sticky-cta{display:none !important;}.footer{padding-bottom:calc(36px + var(--safe-b,0px));}.hero-copy .install-tip{text-align:left;}}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;}}