@charset "UTF-8";
:root{color-scheme:dark;--bg:#081210;--panel:#101e19;--ink:#f3f7f2;--muted:#a4b5aa;--accent:#b7efbe;--teal:#66dfc2;--line:#283a30;--radius:22px;font-family:Inter,"SF Pro Display",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
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@media(min-width:1500px){.hero{min-height:745px;padding-block:90px}.hero-visual{height:555px}.phone-front{left:35px}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.hero{min-height:650px;grid-template-columns:1.1fr 1fr}.hero h1{font-size:64px}.hero-visual{height:485px}.phone-front{width:211px;height:457px;left:8px}.phone-back{width:198px;height:426px;right:-10px;top:38px}.hero-description{font-size:14px}.sound-label{left:-15px;bottom:4px;padding:14px 17px}.workflow-grid{gap:50px}.feature-card{padding:30px}.feature-card h3{font-size:26px}.privacy-stamp{font-size:30px}.faq-section{gap:50px}.guide-hero{gap:40px}.guide-hero h1{font-size:40px}.download-card{padding:23px}.download-card .button{font-size:11px;padding-inline:12px}}
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@media(max-width:600px){html{scroll-padding-top:80px}.container{width:calc(100% - 40px)}.header-inner{gap:10px}.site-header nav{gap:15px}.site-header nav a:first-child,.site-header nav a:last-child{display:none}.site-header>.container>.button{min-height:38px;padding:9px 12px;font-size:10px;gap:5px}.site-header .brand{font-size:18px;gap:8px}.site-header .brand img{width:30px;height:30px;border-radius:8px}.hero{display:flex;flex-direction:column;align-items:stretch;padding-top:45px;padding-bottom:35px;gap:32px}.hero-copy{position:relative;z-index:4}.hero h1{font-size:57px}.hero-description{font-size:14px;line-height:1.9;margin-top:20px}.hero .eyebrow{font-size:11px;margin-bottom:19px}.hero-actions{margin-top:25px;gap:22px}.hero-actions .button{font-size:13px;padding-inline:20px}.hero-actions 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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.header-actions{display:flex;align-items:center;gap:22px}.language-switch{color:#c1cdc3;font-size:12px;padding-block:10px}.language-switch:hover{color:var(--accent)}.download-grid{grid-template-columns:minmax(0,480px);justify-content:center}.download-card{padding:36px}.download-card .button{font-size:14px}.download-card>p{font-size:13px}html[lang=en] .hero h1{font-size:clamp(46px,5.1vw,68px);letter-spacing:-.06em;line-height:1.12}html[lang=en] .hero-description{font-size:14px}html[lang=en] .feature-card>p:not(.card-index){min-height:105px}html[lang=en] .privacy-section h2{font-size:30px}html[lang=en] .privacy-stamp{display:none}html[lang=en] .plan-card h3{font-size:23px}html[lang=en] .plan-card ul{font-size:12px}html[lang=en] .page-intro h1{font-size:45px}html[lang=en] .eyebrow{letter-spacing:.09em;font-size:11px}
@media(max-width:800px){.header-actions{gap:15px}html[lang=en] .hero h1{font-size:46px}html[lang=en] .hero-description{font-size:12px}html[lang=en] .hero-description br{display:none}html[lang=en] .feature-card>p:not(.card-index){min-height:150px}html[lang=en] .eyebrow{font-size:9px}html[lang=en] .hero-trust{font-size:8px;gap:7px}html[lang=en] .plan-card ul{font-size:10px}}
@media(max-width:600px){.header-actions{gap:10px}.site-header nav{display:none}.header-actions .button-small{padding:8px 11px;font-size:10px;gap:6px;min-height:36px}.language-switch{font-size:11px}.download-card{padding:27px}html[lang=en] .hero h1{font-size:49px}html[lang=en] .hero-description{font-size:14px}html[lang=en] .eyebrow{font-size:10px}html[lang=en] .hero-trust{font-size:10px;gap:9px}html[lang=en] .feature-card>p:not(.card-index){min-height:0}html[lang=en] .feature-card h3{font-size:25px}html[lang=en] .plan-card ul{font-size:12px}html[lang=en] .privacy-section h2{font-size:25px}html[lang=en] .page-intro h1{font-size:36px}html[lang=en] .footer-bottom nav{gap:20px}html[lang=en] .footer-top>p{max-width:155px;text-align:right}}
@media(min-width:601px) and (max-width:800px){.visual-orbit{inset:12% 20% 3% 0;transform:rotate(-14deg)}.phone-back{right:20px}}
@media(max-width:600px){.visual-orbit{inset:10% 5% 10% 0;transform:rotate(-12deg)}}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}.header-actions .button-small{min-height:44px}.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px}.footer-bottom a{display:inline-flex;align-items:center;min-height:44px}.feedback-page{padding-block:55px 100px}.feedback-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:70px;align-items:start}.feedback-intro h1{font-size:46px;line-height:1.45}.feedback-intro .lead{font-size:15px}.feedback-note{display:flex;align-items:flex-start;gap:14px;margin-top:34px;padding-top:25px;border-top:1px solid var(--line)}.feedback-note svg{color:var(--accent);margin-top:3px}.feedback-note p{font-size:12px;line-height:1.9}.feedback-card{padding:34px;border:1px solid #314a37;border-radius:var(--radius);background:#112219;min-width:0}.feedback-form label{display:block;font-size:14px;font-weight:600;margin:0 0 10px}.feedback-form select,.feedback-form textarea{display:block;width:100%;max-width:100%;font:inherit;font-size:16px;color:var(--ink);background:#081710;border:1px solid #45604b;border-radius:9px;padding:13px 15px;min-height:48px;line-height:1.65}.feedback-form select{margin-bottom:25px}.feedback-form textarea{resize:vertical;min-height:190px}.feedback-form textarea::placeholder{color:#95ab9b;opacity:1}.feedback-form .form-help{font-size:11px;line-height:1.8;margin:10px 0 25px}.feedback-form .button{width:100%}.feedback-form button:disabled{cursor:not-allowed;background:#304233;border-color:#415446;color:#b8c7bb;transform:none}.form-privacy{font-size:11px;margin-top:18px;line-height:1.9}.form-privacy a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.form-honeypot{display:none}.form-error,.form-notice{font-size:13px;padding:15px 17px;line-height:1.8;border-radius:9px;margin-bottom:24px}.form-error{border:1px solid #94634c;background:#38271f;color:#ffe0c6}.form-notice{border:1px solid #617845;background:#26331d;color:#e3f0ca}.form-success h2{font-size:27px;line-height:1.5}.form-success p{font-size:14px;margin-top:17px}.form-success .text-link{margin-top:25px;color:var(--accent)}
@media(max-width:800px){.feedback-grid{gap:30px}.feedback-intro h1{font-size:35px}.feedback-card{padding:25px}.feedback-note p{font-size:11px}.header-actions{gap:10px}}
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@media(hover:none){.button:hover{transform:none}}
.feedback-intro h1{white-space:pre-line}.select-control{position:relative;margin-bottom:25px}.select-control:after{content:"";position:absolute;right:19px;top:20px;width:7px;height:7px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(45deg);pointer-events:none}.feedback-form .select-control select{-webkit-appearance:none;appearance:none;height:52px;padding-right:42px;margin-bottom:0}
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.hero-video-link{margin-top:18px;font-size:12px;color:var(--accent);max-width:100%;line-height:1.7}.hero-video-link svg{flex-shrink:0}
.form-status{font-size:12px;min-height:22px;margin-top:16px;color:var(--accent);line-height:1.7}.video-download-form button:disabled{opacity:.65;cursor:wait}
@media(max-width:600px){html[lang=zh-CN] .hero h1{font-size:clamp(40px,11vw,57px)}}
.language-picker{position:relative;font-size:12px;flex-shrink:0}.language-picker summary{display:flex;align-items:center;min-height:44px;gap:8px;cursor:pointer;list-style:none;padding-inline:5px}.language-picker summary::-webkit-details-marker{display:none}.language-picker summary:after{content:"⌄";color:var(--accent)}.site-header .language-menu{position:absolute;inset-inline-end:0;top:100%;display:flex;flex-direction:column;gap:0;min-width:165px;padding:8px;border:1px solid var(--line);border-radius:10px;background:#102019;box-shadow:0 12px 30px #0007;z-index:10}.site-header .language-menu a{padding:8px 12px;min-height:44px;display:flex;align-items:center;border-radius:6px}.site-header .language-menu a[aria-current=true]{background:#203c2b;color:var(--accent)}.international-home h1{font-size:clamp(36px,4.7vw,62px);white-space:pre-line;overflow-wrap:anywhere;hyphens:auto}.international-home .hero-description{max-width:520px}.international-home .hero-trust{display:flex;align-items:center}.international-home+.section .feature-card h3{padding-inline-end:40px}.breadcrumb{min-width:0;overflow-wrap:anywhere}.article-content p{overflow-wrap:anywhere}.header-inner>nav{flex-wrap:wrap}html[dir=rtl] h1,html[dir=rtl] h2,html[dir=rtl] h3,html[dir=rtl] .eyebrow{letter-spacing:0}html[dir=rtl] h1{line-height:1.5}html[dir=rtl] .brand>span{direction:ltr;unicode-bidi:isolate}html[dir=rtl] .button svg,html[dir=rtl] .text-link>svg{transform:scaleX(-1)}html[dir=rtl] .guide-steps,html[dir=rtl] .article-content ul{padding-inline-start:25px;padding-inline-end:0}html[dir=rtl] .select-control:after{right:auto;inset-inline-end:19px}html[dir=rtl] .select-control select{padding-inline:15px 42px}html[dir=rtl] .feature-icon{right:auto;inset-inline-end:36px}html[dir=rtl] .hero-copy,html[dir=rtl] .feedback-intro,html[dir=rtl] .article-content{text-align:start}
@media(max-width:600px){.site-header .language-menu a:first-child,.site-header .language-menu a:last-child{display:flex}.header-actions .button-small{max-width:145px}.language-picker{font-size:11px}.international-home h1{font-size:38px}.international-home .hero-description{font-size:14px}.international-home .hero-visual{height:410px}.footer-bottom nav{gap:10px 20px}.breadcrumb{flex-wrap:wrap}.site-header .language-menu{min-width:150px}}
@media(max-width:360px){.header-actions{gap:5px}.header-actions .button-small{max-width:120px;font-size:10px;padding-inline:9px}.language-picker summary{padding-inline:2px}.site-header .brand{font-size:16px;gap:7px}}

.international-home .visual-orbit{inset:15% 10%;transform:rotate(-12deg)}
@media(max-width:900px){.header-inner>nav{display:none}}
.guide-hero h1,.legal-page h1,.page-intro h1,.feedback-intro h1,.article-content h2{overflow-wrap:anywhere;hyphens:auto}
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