@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.static{position:static}.start{inset-inline-start:var(--spacing)}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.contents{display:contents}}:root{--ink:#17172d;--muted:#64647b;--line:#27205b1f;--surface:#ffffffd1;--canvas:#f6f5fb;--primary:#6859f4;--primary-deep:#4f42dc;--cyan:#49d7f5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:radial-gradient(circle at 7% 2%, #745bff26, transparent 28rem), radial-gradient(circle at 93% 18%, #49d7f51f, transparent 24rem), var(--canvas);-webkit-font-smoothing:antialiased;margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,PingFang SC,Microsoft 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.88fr;align-items:center;gap:80px;min-height:690px;padding-top:70px;padding-bottom:90px;display:grid}.kicker,.legal-eyebrow{color:var(--primary-deep);letter-spacing:.14em;margin:0 0 18px;font-size:12px;font-weight:780}.hero h1,.support-hero h1{letter-spacing:-.065em;margin:0;font-size:clamp(54px,7vw,88px);line-height:1.02}.hero-description,.support-hero>p:not(.kicker){max-width:650px;color:var(--muted);margin:28px 0 0;font-size:18px;line-height:1.85}.hero-actions{flex-wrap:wrap;gap:14px;margin-top:38px;display:flex}.primary-action,.secondary-action{border-radius:14px;justify-content:center;align-items:center;min-height:52px;padding:0 26px;font-size:15px;font-weight:700;text-decoration:none;display:inline-flex}.primary-action{color:#fff;background:linear-gradient(135deg,#7567ff,#5546e1);box-shadow:0 14px 35px #5443dd3d}.secondary-action{border:1px solid var(--line);background:#ffffffb3}.hero-mark{isolation:isolate;place-items:center;min-height:430px;display:grid;position:relative}.hero-mark:before{content:"";z-index:-2;background:radial-gradient(circle at 35% 30%,#9a8bff,#6557f1 50%,#4336c8 100%);border-radius:50%;width:350px;height:350px;position:absolute;box-shadow:0 50px 110px #503bdb54}.orbit{z-index:-1;border:1px solid #6756ef40;border-radius:50%;position:absolute;transform:rotate(-16deg)}.orbit-one{width:455px;height:270px}.orbit-two{opacity:.52;width:520px;height:335px}.document-section{border-top:1px solid var(--line);padding:105px 0 80px}.section-heading{max-width:690px}.section-heading h2,.contact-panel h2{letter-spacing:-.045em;margin:0;font-size:clamp(34px,4vw,52px);line-height:1.13}.document-grid{grid-template-columns:repeat(2,1fr);gap:18px;margin-top:48px;display:grid}.document-card{border:1px solid var(--line);background:var(--surface);border-radius:18px;flex-direction:column;min-height:300px;padding:30px;text-decoration:none;transition:transform .2s,border-color .2s,box-shadow .2s;display:flex;box-shadow:0 20px 70px #31276e0f}.document-card:hover{border-color:#6859f452;transform:translateY(-4px);box-shadow:0 26px 80px #31276e1a}.card-topline{color:var(--primary-deep);letter-spacing:.14em;justify-content:space-between;font-size:11px;font-weight:780;display:flex}.card-number{color:#9b9aab}.document-card h3{letter-spacing:-.04em;margin:62px 0 13px;font-size:30px}.document-card p{max-width:430px;color:var(--muted);margin:0;line-height:1.75}.card-link{color:var(--primary-deep);margin-top:auto;padding-top:28px;font-size:14px;font-weight:700}.principles{border:1px solid 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10px;font-size:15px;line-height:1.8}.app-legal-content p:last-child{margin-bottom:0}.app-legal-content a{color:#335eea;text-underline-offset:3px;overflow-wrap:anywhere}.support-main{padding-top:88px;padding-bottom:120px}.support-hero{max-width:780px}.support-hero .back-link{margin-bottom:62px}.support-hero .primary-action{margin-top:34px}.faq-section{grid-template-columns:320px 1fr;gap:80px;margin-top:110px;display:grid}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;justify-content:space-between;gap:20px;padding:27px 0;font-size:18px;font-weight:700;list-style:none;display:flex}.faq-list summary::-webkit-details-marker{display:none}.faq-list details p{color:var(--muted);margin:-4px 48px 28px 0;line-height:1.85}.detail-plus{color:var(--primary);font-size:26px;line-height:1;transition:transform .2s}.faq-list details[open] .detail-plus{transform:rotate(45deg)}.contact-panel{color:#fff;background:linear-gradient(135deg,#1d193b,#31276e 58%,#4d3bc9);border-radius:18px;grid-template-columns:1.15fr .85fr;gap:70px;margin-top:110px;padding:46px;display:grid;box-shadow:0 32px 80px #31276e2e}.contact-panel .kicker{color:#aea5ff}.contact-panel p:not(.kicker){color:#ffffffb3;max-width:600px;line-height:1.8}.contact-details{align-content:center;gap:7px;display:grid}.contact-details span{color:#ffffff94;letter-spacing:.08em;margin-top:12px;font-size:12px}.contact-details a,.contact-details strong{font-size:18px;font-weight:650;text-decoration:none}.support-warning{color:var(--muted);margin:24px 0 0;font-size:13px}.wechat-support-panel{background:linear-gradient(135deg,#ffffffeb,#eeebffe0);border:1px solid #6859f424;border-radius:18px;grid-template-columns:1fr 300px;align-items:center;gap:70px;margin-top:110px;padding:46px;display:grid;box-shadow:0 28px 72px #31276e1c}.wechat-support-panel h2{letter-spacing:-.035em;margin:0;font-size:38px}.wechat-support-panel p:not(.kicker){max-width:590px;color:var(--muted);line-height:1.8}.wechat-hours{font-size:13px}.wechat-qr{background:#fff;border-radius:16px;padding:15px;display:block;box-shadow:0 18px 45px #261c6821}.wechat-qr img{width:100%;height:auto;image-rendering:pixelated;display:block}.site-footer{border-top:1px solid var(--line);background:#ffffff8f}.footer-inner{grid-template-columns:1fr auto;align-items:start;gap:44px;padding-top:50px;padding-bottom:42px;display:grid}.footer-inner>div:first-child p{color:var(--muted);margin:10px 0 0;font-size:13px}.footer-links{flex-wrap:wrap;justify-content:flex-end;gap:22px;display:flex}.footer-links a{color:var(--muted);font-size:13px;text-decoration:none}.copyright{border-top:1px solid var(--line);color:#9998a8;grid-column:1/-1;margin:12px 0 0;padding-top:28px;font-size:12px}@media (max-width:860px){.hero{grid-template-columns:1fr;gap:30px;min-height:auto;padding-top:72px}.hero-mark{grid-row:1;min-height:330px}.brand-large img{border-radius:32px;width:142px;height:142px}.hero-mark:before{width:260px;height:260px}.orbit-one{width:330px;height:205px}.orbit-two{width:390px;height:250px}.legal-main{grid-template-columns:1fr;gap:58px;padding-top:58px}.legal-aside{position:static}.back-link{margin-bottom:48px}.faq-section{grid-template-columns:1fr;gap:30px}}@media (max-width:640px){.container{width:min(100% - 30px,1160px)}.header-inner{min-height:66px}nav{gap:15px}nav a{font-size:13px}nav a:nth-child(2){display:none}.brand{font-size:18px}.brand img{border-radius:8px;width:34px;height:34px}.hero{padding-top:45px;padding-bottom:75px}.hero h1,.support-hero h1{font-size:52px}.hero-description,.support-hero>p:not(.kicker){font-size:16px;line-height:1.75}.hero-mark{min-height:285px}.brand-large img{border-radius:27px;width:122px;height:122px}.hero-mark:before{width:218px;height:218px}.orbit-one{width:280px;height:174px}.orbit-two{width:320px;height:210px}.document-section{padding-top:75px}.document-grid{grid-template-columns:1fr}.document-card{border-radius:15px;min-height:255px;padding:25px}.document-card h3{margin-top:44px}.principles{border-radius:15px;grid-template-columns:1fr}.principles>div{padding:28px}.principles h3{margin-top:20px}.legal-main{padding-bottom:85px}.legal-content section{grid-template-columns:34px 1fr;gap:10px;padding:30px 0}.legal-content p{font-size:15px;line-height:1.85}.app-legal-page{padding:20px 18px 42px}.support-main{padding-top:55px;padding-bottom:85px}.faq-section,.contact-panel,.wechat-support-panel{margin-top:80px}.contact-panel{border-radius:15px;grid-template-columns:1fr;gap:20px;padding:30px 24px}.wechat-support-panel{border-radius:15px;grid-template-columns:1fr;gap:28px;padding:30px 24px}.wechat-qr{justify-self:center;width:min(100%,300px)}.footer-inner{grid-template-columns:1fr}.footer-links{justify-content:flex-start;gap:15px 20px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}