:root{--brand: #2F6BFF;--brand-600: #1F53DB;--brand-soft: #EEF3FF;--accent: #FF7A45;--green: #16A34A;--bg: #FFFFFF;--surface: #F6F8FC;--surface-2: #FFFFFF;--line: #E4E9F2;--ink: #0E1626;--ink-2: #47536B;--ink-3: #7A879E;--shadow-sm: 0 1px 2px rgba(14, 22, 38, .06), 0 2px 8px rgba(14, 22, 38, .04);--shadow-md: 0 8px 24px rgba(14, 22, 38, .08), 0 2px 6px rgba(14, 22, 38, .04);--shadow-lg: 0 24px 60px rgba(14, 22, 38, .14), 0 4px 12px rgba(14, 22, 38, .06);--radius: 16px;--radius-lg: 24px;--maxw: 1120px;--font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-en: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--brand: #6E9AFF;--brand-600: #8FB2FF;--brand-soft: #16203A;--accent: #FF9466;--green: #4ADE80;--bg: #0B0F1A;--surface: #111827;--surface-2: #151D2E;--line: #222C42;--ink: #EAF0FA;--ink-2: #A9B6CC;--ink-3: #78869E;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 8px 24px rgba(0, 0, 0, .45);--shadow-lg: 0 24px 60px rgba(0, 0, 0, .55)}}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}html[lang=en] body{font-family:var(--font-en)}img,svg{max-width:100%}a{color:inherit;text-decoration:none}h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700}p{margin:0}ul{margin:0;padding:0;list-style:none}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}.section{padding:96px 0}.section--tint{background:var(--surface)}@media(max-width:768px){.section{padding:64px 0}}.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);margin-bottom:14px}.section-title{font-size:clamp(26px,3.4vw,38px);margin-bottom:14px}.section-lead{font-size:17px;color:var(--ink-2);max-width:62ch}.section-head{margin-bottom:48px}.section-head--center{text-align:center}.section-head--center .section-lead{margin:0 auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border:1px solid transparent;border-radius:999px;font:inherit;font-weight:600;font-size:15px;cursor:pointer;white-space:nowrap;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease}.btn:active{transform:translateY(1px)}.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px #2f6bff47}.btn--primary:hover{background:var(--brand-600);box-shadow:0 10px 26px #2f6bff57}.btn--ghost{background:var(--surface-2);color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm)}.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}.btn--sm{padding:9px 18px;font-size:14px}.btn--lg{padding:16px 32px;font-size:16px}.btn[aria-disabled=true]{opacity:.55;cursor:not-allowed;box-shadow:none}.btn[aria-disabled=true]:active{transform:none}.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:border-color .2s ease,box-shadow .2s ease}.nav.is-stuck{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}.nav__inner{display:flex;align-items:center;gap:20px;height:68px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.01em}.brand__mark{width:32px;height:32px;flex:none;border-radius:9px}.brand__sub{font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.12em;text-transform:uppercase}.nav__links{display:flex;align-items:center;gap:4px;margin-left:auto}.nav__links a{padding:8px 14px;border-radius:999px;font-size:15px;color:var(--ink-2);font-weight:500;transition:color .15s ease,background .15s ease}.nav__links a:hover{color:var(--ink);background:var(--surface)}.nav__actions{display:flex;align-items:center;gap:10px}.langswitch{display:inline-flex;align-items:center;padding:3px;gap:2px;background:var(--surface);border:1px solid var(--line);border-radius:999px}.langswitch button{appearance:none;border:0;background:transparent;padding:5px 12px;border-radius:999px;font:inherit;font-size:13px;font-weight:600;color:var(--ink-3);cursor:pointer;transition:background .15s ease,color .15s ease}.langswitch button:hover{color:var(--ink)}.langswitch button[aria-pressed=true]{background:var(--surface-2);color:var(--brand);box-shadow:var(--shadow-sm)}.nav__toggle{display:none}@media(max-width:900px){.nav__toggle{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;margin-left:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface-2);color:var(--ink);cursor:pointer}.nav__links{position:absolute;left:0;right:0;top:68px;flex-direction:column;align-items:stretch;gap:2px;margin:0;padding:12px 24px 20px;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);display:none}.nav__links.is-open{display:flex}.nav__links a{padding:12px 14px;font-size:16px}.nav__actions{margin-left:0}.nav__actions .btn{display:none}}.hero{position:relative;padding:72px 0 88px;overflow:hidden}.hero:before{content:"";position:absolute;inset:-20% -10% auto;height:620px;background:radial-gradient(48% 60% at 22% 18%,color-mix(in srgb,var(--brand) 18%,transparent),transparent 70%),radial-gradient(40% 50% at 82% 8%,color-mix(in srgb,var(--accent) 14%,transparent),transparent 70%);pointer-events:none}.hero__grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}.hero h1{font-size:clamp(32px,5vw,54px);letter-spacing:-.02em;margin-bottom:20px}.hero h1 em{font-style:normal;color:var(--brand)}.hero__lead{font-size:18px;color:var(--ink-2);margin-bottom:28px;max-width:34em}.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}.hero__note{font-size:14px;color:var(--ink-3)}.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 8px;margin-bottom:22px;background:var(--surface-2);border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--ink-2);box-shadow:var(--shadow-sm)}.pill b{color:var(--brand);font-weight:700}.pill__dot{width:7px;height:7px;border-radius:50%;background:var(--green);margin-left:6px}@media(max-width:900px){.hero{padding:48px 0 64px}.hero__grid{grid-template-columns:1fr;gap:44px}.hero__cta .btn{flex:1 1 200px}}.phone{width:300px;margin:0 auto;background:var(--surface-2);border:10px solid #14192a;border-radius:40px;box-shadow:var(--shadow-lg);overflow:hidden}.phone--tilt{transform:rotate(-1.5deg)}.phone__bar{display:flex;align-items:center;justify-content:space-between;padding:10px 18px 6px;font-size:11px;color:var(--ink-3);font-weight:600}.phone__screen{padding:4px 18px 20px}.phone__title{font-size:15px;font-weight:700;margin-bottom:4px}.phone__meta{font-size:11px;color:var(--ink-3);margin-bottom:12px}.phone__text{font-size:13.5px;line-height:2;color:var(--ink-2);font-family:var(--font-en)}.phone__text mark{background:color-mix(in srgb,var(--brand) 16%,transparent);color:var(--ink);border-radius:4px;padding:1px 3px;font-weight:600;box-shadow:inset 0 -2px color-mix(in srgb,var(--brand) 45%,transparent)}.phone__card{margin-top:14px;padding:12px 14px;background:var(--brand-soft);border-radius:14px;border:1px solid color-mix(in srgb,var(--brand) 22%,transparent)}.phone__card-w{display:flex;align-items:baseline;gap:8px}.phone__card-w b{font-size:15px;font-family:var(--font-en)}.phone__card-w span{font-size:11px;color:var(--ink-3);font-family:var(--font-en)}.phone__card-def{font-size:12px;color:var(--ink-2);margin-top:4px}.phone__card-tag{display:inline-block;margin-top:8px;padding:2px 8px;background:var(--surface-2);border-radius:999px;font-size:10.5px;font-weight:700;color:var(--brand)}.phone__reunion{margin-top:12px;padding:10px 14px;background:var(--surface);border-radius:14px;border:1px solid var(--line)}.phone__reunion-t{font-size:12px;font-weight:700;display:flex;justify-content:space-between}.phone__reunion-t span{color:var(--accent)}.bar{height:6px;border-radius:999px;background:var(--line);margin-top:8px;overflow:hidden;display:flex}.bar i{display:block;height:100%}.bar i:nth-child(1){background:var(--brand)}.bar i:nth-child(2){background:var(--green)}.bar i:nth-child(3){background:var(--accent)}.loop{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.loop__step{position:relative;padding:26px 22px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.loop__step:after{content:"";position:absolute;top:50%;right:-12px;width:8px;height:8px;border-top:2px solid var(--line);border-right:2px solid var(--line);transform:translateY(-50%) rotate(45deg)}.loop__step:last-child:after{display:none}.loop__n{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;margin-bottom:12px;border-radius:10px;background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:14px}.loop__step h3{font-size:17px;margin-bottom:8px}.loop__step p{font-size:14px;color:var(--ink-2)}@media(max-width:900px){.loop{grid-template-columns:1fr 1fr}.loop__step:nth-child(2):after{display:none}}@media(max-width:560px){.loop{grid-template-columns:1fr}.loop__step:after{display:none}}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature{padding:28px 24px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--brand) 35%,var(--line))}.feature__icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;margin-bottom:16px;border-radius:13px;background:var(--brand-soft);color:var(--brand)}.feature h3{font-size:17px;margin-bottom:8px}.feature p{font-size:14.5px;color:var(--ink-2)}@media(max-width:900px){.features{grid-template-columns:1fr 1fr}}@media(max-width:620px){.features{grid-template-columns:1fr}}.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:860px;margin:0 auto}.compare__card{padding:26px 24px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface-2)}.compare__card--bad{opacity:.92}.compare__card--good{border-color:color-mix(in srgb,var(--brand) 45%,var(--line));box-shadow:var(--shadow-md)}.compare__label{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}.compare__card--bad .compare__label{color:var(--ink-3)}.compare__card--good .compare__label{color:var(--brand)}.compare__sentence{font-family:var(--font-en);font-size:15px;margin-bottom:14px;color:var(--ink)}.compare__sentence mark{background:color-mix(in srgb,var(--brand) 16%,transparent);border-radius:4px;padding:1px 4px}.compare__out{padding:12px 14px;border-radius:12px;background:var(--surface);font-size:14px}.compare__out b{font-family:var(--font-en)}.compare__card--bad .compare__out{color:var(--ink-3);text-decoration-color:var(--ink-3)}.compare__card--good .compare__out{background:var(--brand-soft);color:var(--ink)}.compare__foot{margin-top:14px;font-size:13px;color:var(--ink-3)}@media(max-width:700px){.compare{grid-template-columns:1fr}}.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);box-shadow:var(--shadow-sm)}table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px}thead th{text-align:left;padding:14px 18px;background:var(--surface);color:var(--ink-2);font-size:12.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;border-bottom:1px solid var(--line);white-space:nowrap}tbody td{padding:13px 18px;border-bottom:1px solid var(--line);color:var(--ink-2)}tbody tr:last-child td{border-bottom:0}tbody td:first-child{font-weight:700;color:var(--brand);font-family:var(--font-en);white-space:nowrap}tbody tr:hover td{background:var(--surface)}.pricing{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}.pcard{padding:30px 28px;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface-2);box-shadow:var(--shadow-sm)}.pcard--paid{border-color:color-mix(in srgb,var(--brand) 40%,var(--line));box-shadow:var(--shadow-md)}.pcard__tag{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;margin-bottom:14px}.pcard--free .pcard__tag{background:color-mix(in srgb,var(--green) 14%,transparent);color:var(--green)}.pcard--paid .pcard__tag{background:var(--brand-soft);color:var(--brand)}.pcard h3{font-size:21px;margin-bottom:6px}.pcard__sub{font-size:14px;color:var(--ink-3);margin-bottom:20px}.plist li{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-2)}.plist li:last-child{border-bottom:0}.plist li b{margin-left:auto;color:var(--ink);font-weight:700;white-space:nowrap}.plist svg{flex:none;margin-top:5px;color:var(--green)}.pnote{margin-top:18px;padding:14px 16px;background:var(--surface);border-radius:12px;font-size:13px;color:var(--ink-3)}@media(max-width:820px){.pricing{grid-template-columns:1fr}}.privacy-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.pstrip{padding:24px 22px;border-radius:var(--radius);background:var(--surface-2);border:1px solid var(--line)}.pstrip h3{font-size:16px;margin-bottom:8px;display:flex;align-items:center;gap:9px}.pstrip h3 svg{color:var(--green);flex:none}.pstrip p{font-size:14px;color:var(--ink-2)}@media(max-width:820px){.privacy-strip{grid-template-columns:1fr}}.download-hero{padding:56px 40px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--brand) 0%,#6C4BFF 100%);color:#fff;text-align:center;box-shadow:var(--shadow-lg)}.download-hero h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:12px}.download-hero p{font-size:17px;opacity:.9;margin:0 auto 28px;max-width:46ch}.download-hero .btn--ghost{background:#ffffff24;color:#fff;border-color:#ffffff52;box-shadow:none;backdrop-filter:blur(6px)}.download-hero .btn--ghost:hover{background:#ffffff38;color:#fff;border-color:#ffffff80}.download-hero .btn--primary{background:#fff;color:var(--brand);box-shadow:0 8px 22px #0000002e}.download-hero .btn--primary:hover{background:#f2f5ff;color:var(--brand-600)}.dl-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}@media(max-width:620px){.download-hero{padding:40px 22px}}.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.dl-card{display:flex;flex-direction:column;padding:30px 28px;border-radius:var(--radius-lg);background:var(--surface-2);border:1px solid var(--line);box-shadow:var(--shadow-sm)}.dl-card__top{display:flex;align-items:center;gap:14px;margin-bottom:18px}.dl-card__logo{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;flex:none;border-radius:15px;background:var(--surface);border:1px solid var(--line);color:var(--ink)}.dl-card h3{font-size:19px}.dl-card__req{font-size:13px;color:var(--ink-3)}.dl-card__body{font-size:14.5px;color:var(--ink-2);margin-bottom:22px}.dl-card__foot{margin-top:auto;display:flex;flex-wrap:wrap;gap:10px;align-items:center}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent)}.badge--live{background:color-mix(in srgb,var(--green) 14%,transparent);color:var(--green)}@media(max-width:780px){.dl-grid{grid-template-columns:1fr}}.qr{display:grid;grid-template-columns:132px 1fr;gap:22px;align-items:center;padding:24px;border-radius:var(--radius);background:var(--surface-2);border:1px dashed var(--line)}.qr__box{width:132px;height:132px;border-radius:14px;display:grid;place-items:center;text-align:center;background:var(--surface);border:1px dashed var(--line);font-size:12px;color:var(--ink-3);padding:12px}.qr h3{font-size:17px;margin-bottom:6px}.qr p{font-size:14px;color:var(--ink-2)}@media(max-width:560px){.qr{grid-template-columns:1fr;justify-items:center;text-align:center}}.faq{max-width:800px;margin:0 auto}.faq details{border-bottom:1px solid var(--line);padding:6px 0}.faq summary{display:flex;align-items:center;gap:14px;padding:16px 4px;cursor:pointer;list-style:none;font-size:16.5px;font-weight:600}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"";margin-left:auto;flex:none;width:9px;height:9px;border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);transform:rotate(45deg) translateY(-2px);transition:transform .2s ease}.faq details[open] summary:after{transform:rotate(-135deg) translateY(-2px)}.faq details p{padding:0 4px 18px;font-size:15px;color:var(--ink-2)}.legal{max-width:660px;margin:0 auto}.legal__notice{padding:16px 20px;margin-bottom:32px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);font-size:14px;color:var(--ink-2)}.legal__notice b{color:var(--ink)}.legal__body{white-space:pre-wrap;font-size:15px;line-height:1.95;color:var(--ink-2);font-family:var(--font);margin:0}.legal__updated{margin-top:40px;font-size:13px;color:var(--ink-3)}.footer{border-top:1px solid var(--line);background:var(--surface);padding:56px 0 32px}.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}.footer__about p{font-size:14px;color:var(--ink-3);margin-top:14px;max-width:32ch}.footer h4{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px}.footer li{padding:5px 0}.footer li a{font-size:14.5px;color:var(--ink-2)}.footer li a:hover{color:var(--brand)}.footer__bottom{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}.footer__bottom a:hover{color:var(--brand)}.footer__bottom .spacer{margin-left:auto}@media(max-width:820px){.footer__grid{grid-template-columns:1fr 1fr}}@media(max-width:520px){.footer__grid{grid-template-columns:1fr}}.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}.reveal.is-in{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}.skip-link{position:absolute;left:-9999px;top:8px;z-index:100;padding:10px 18px;background:var(--brand);color:#fff;border-radius:999px}.skip-link:focus{left:24px}
