:root{--ink:#102923;--muted:#60746e;--mint:#08cfa6;--mint-deep:#059b7e;--blue:#1268e8;--wash:#edf9f3;--paper:#fbfdfb;--line:#dce9e3;--white:#fff;--shadow:0 18px 55px rgba(20,65,52,.12);--radius:28px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;overflow-x:hidden;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit}.mobile-only{display:none}.wrap{width:min(1120px,calc(100% - 40px));margin:auto}.nav{position:sticky;top:0;z-index:10;background:rgba(251,253,251,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,233,227,.7)}.nav-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:800;letter-spacing:.02em}.brand img{width:38px;height:38px;border-radius:11px}.nav-links{display:flex;align-items:center;gap:24px;font-size:14px;color:var(--muted)}.nav-links a{text-decoration:none}.nav-links a:hover{color:var(--ink)}.button{display:inline-flex;min-height:50px;align-items:center;justify-content:center;gap:10px;padding:0 22px;border-radius:16px;border:1px solid transparent;text-decoration:none;font-weight:750;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.button:hover{transform:translateY(-2px)}.button:focus-visible{outline:3px solid rgba(18,104,232,.28);outline-offset:3px}.button.primary{background:var(--ink);color:#fff;box-shadow:0 12px 30px rgba(16,41,35,.2)}.button.secondary{background:#fff;border-color:var(--line)}.button.small{min-height:42px;padding:0 16px;border-radius:13px;font-size:14px}.hero{overflow:hidden;background:radial-gradient(circle at 75% 15%,rgba(18,104,232,.12),transparent 27%),linear-gradient(145deg,#effcf5 0%,#f8fbff 60%,#fff 100%)}.hero-grid{min-height:680px;display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:70px;padding:70px 0}.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 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span{display:flex;align-items:center;gap:7px}.dot{width:6px;height:6px;border-radius:50%;background:var(--mint)}.phone-wrap{position:relative;display:grid;place-items:center}.orb{position:absolute;width:440px;height:440px;border-radius:50%;background:linear-gradient(135deg,rgba(8,207,166,.2),rgba(18,104,232,.13));filter:blur(4px)}.phone{position:relative;width:min(330px,90%);aspect-ratio:.505;background:#f8fbfa;border:10px solid #18362f;border-radius:52px;box-shadow:0 34px 80px rgba(16,41,35,.25);overflow:hidden;padding:18px}.phone:before{content:"";position:absolute;top:10px;left:50%;transform:translateX(-50%);width:92px;height:24px;border-radius:20px;background:#18362f}.phone-head{margin:-18px -18px 14px;padding:62px 24px 25px;background:linear-gradient(140deg,#09d2a7,#30dfb7);border-radius:0 0 28px 28px}.phone-kicker{font-size:11px;opacity:.7}.phone-title{font-size:23px;font-weight:850;margin-top:2px}.balance{margin-top:22px;background:#fff;padding:17px;border-radius:20px;box-shadow:0 8px 24px rgba(16,41,35,.08)}.balance small{color:var(--muted)}.balance strong{display:block;font-size:25px;margin-top:3px}.trend{height:34px;margin-top:13px}.trend svg{width:100%;height:100%}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.metric{background:#fff;border:1px solid var(--line);padding:13px 10px;border-radius:16px}.metric small{display:block;color:var(--muted);font-size:9px}.metric b{font-size:12px}.phone-section{font-size:13px;font-weight:800;margin:18px 2px 10px}.tx{display:flex;align-items:center;gap:11px;padding:10px;background:#fff;border-radius:16px;margin-top:8px}.tx-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:#dff7ee;color:var(--mint-deep);font-weight:900}.tx-copy{flex:1}.tx-copy b{display:block;font-size:11px}.tx-copy small{display:block;color:var(--muted);font-size:9px}.tx>strong{font-size:11px}.trust-bar{background:var(--ink);color:#fff}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:25px 0}.trust-item{padding:2px 24px;border-right:1px solid rgba(255,255,255,.14)}.trust-item:first-child{padding-left:0}.trust-item:last-child{border:0}.trust-item b{display:block}.trust-item span{font-size:12px;color:rgba(255,255,255,.64)}section{padding:100px 0}.section-head{max-width:660px;margin-bottom:42px}.section-head.center{text-align:center;margin:0 auto 48px}.section-head h2{font-size:clamp(32px,4vw,48px);line-height:1.12;letter-spacing:-.035em;margin:10px 0}.section-head p{color:var(--muted)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{position:relative;min-height:250px;padding:27px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}.feature:after{content:"";position:absolute;width:140px;height:140px;border-radius:50%;right:-70px;bottom:-70px;background:var(--wash)}.feature .number{font-size:12px;font-weight:800;color:var(--mint-deep)}.feature h3{font-size:22px;margin:45px 0 9px}.feature p{font-size:14px;color:var(--muted)}.privacy{background:var(--wash)}.privacy-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:start}.privacy-card{background:var(--ink);color:#fff;padding:36px;border-radius:32px;box-shadow:var(--shadow)}.privacy-card h3{font-size:25px;margin:0 0 14px}.privacy-card p{color:rgba(255,255,255,.68)}.privacy-list{display:grid;gap:12px}.privacy-item{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:18px;border:1px solid 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p{color:var(--muted);font-size:14px}.download{padding-top:20px}.download-card{display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;padding:48px;background:linear-gradient(135deg,#0aab89,#1268e8);color:#fff;border-radius:36px;box-shadow:0 25px 60px rgba(18,104,232,.2)}.download-card h2{font-size:clamp(30px,4vw,48px);margin:0}.download-card p{color:rgba(255,255,255,.75);margin:8px 0 0}.download-card .button{background:#fff;color:var(--ink)}footer{padding:52px 0 34px}.footer-grid{display:flex;justify-content:space-between;gap:30px;border-top:1px solid var(--line);padding-top:30px;color:var(--muted);font-size:13px}.footer-links{display:flex;flex-wrap:wrap;gap:18px}.footer-links a{text-decoration:none}.subpage{min-height:calc(100vh - 72px);padding:70px 0}.article{width:min(760px,100%);margin:auto}.article h1{font-size:44px}.article h2{font-size:24px;margin-top:40px}.article p,.article li{color:var(--muted)}.notice{padding:16px 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@media(max-width:840px){.nav-links>a:not(.button){display:none}.hero-grid{grid-template-columns:1fr;gap:50px;padding:56px 0 72px}.hero-copy{text-align:center}.lead{margin-left:auto;margin-right:auto}.actions,.meta{justify-content:center}.phone{width:310px}.trust-grid{grid-template-columns:repeat(2,1fr);row-gap:22px}.trust-item:nth-child(2){border:0}.grid-3,.steps{grid-template-columns:1fr}.privacy-grid{grid-template-columns:1fr}.download-card{grid-template-columns:1fr}.feature{min-height:210px}.feature h3{margin-top:26px}}
@media(max-width:520px){.wrap{width:min(100% - 28px,1120px)}.nav-inner{min-height:64px}.brand span{font-size:15px}.nav-links .button{display:none}.hero-grid{padding-top:40px}.hero-copy{text-align:left}.actions,.meta{justify-content:flex-start}.actions .button{width:100%}h1{font-size:42px;word-break:keep-all}.mobile-only{display:block}.lead{font-size:16px}.phone{width:280px;border-width:8px;border-radius:45px}.orb{width:320px;height:320px}.trust-grid{grid-template-columns:1fr}.trust-item{border:0;padding:3px 0}.section{padding:72px 0}.grid-3{gap:12px}.download-card{padding:30px 24px;border-radius:28px}.footer-grid{flex-direction:column}.permission{grid-template-columns:1fr}.pill{justify-self:start}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.button:hover{transform:none}}
.support{padding-top:10px}.support-grid{display:grid;grid-template-columns:1fr 360px;gap:70px;align-items:center;padding:54px 60px;border:1px solid var(--line);border-radius:36px;background:linear-gradient(145deg,#fff,#f0f9f5);box-shadow:var(--shadow)}.support-copy{max-width:570px}.support-copy h2{margin:0;font-size:clamp(30px,4vw,46px);line-height:1.12;letter-spacing:-.035em}.support-copy p{margin:18px 0 0;color:var(--muted);font-size:16px;line-height:1.8}.support-code{margin:0;padding:16px;border-radius:28px;background:#fff;border:1px solid var(--line)}.support-code img{display:block;width:100%;height:auto;border-radius:18px}.support-code figcaption{text-align:center;padding:12px 0 2px;color:var(--muted);font-size:12px}
@media(max-width:840px){.support-grid{grid-template-columns:1fr;padding:42px;gap:34px}.support-code{width:min(360px,100%)}}
@media(max-width:520px){.support-grid{padding:28px 22px;border-radius:28px}}
.trust-grid{grid-template-columns:repeat(3,1fr)}.privacy-grid.single{grid-template-columns:1fr}.privacy-grid.single .privacy-card{width:min(760px,100%);margin:auto}
@media(max-width:840px){.trust-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.trust-grid{grid-template-columns:1fr}}
.follow{padding-top:10px}.follow-card{display:grid;grid-template-columns:.7fr 1.3fr;gap:36px;align-items:center;padding:34px 38px;border:1px solid var(--line);border-radius:32px;background:#fff;box-shadow:var(--shadow)}.follow-heading h2{margin:12px 0 0;font-size:clamp(30px,4vw,44px);line-height:1.1;letter-spacing:-.035em}.follow-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.follow-link{display:flex;min-height:66px;align-items:center;gap:11px;padding:12px 14px;border:1px solid var(--line);border-radius:18px;background:var(--paper);text-decoration:none;font-size:14px;font-weight:800;transition:transform .22s cubic-bezier(.16,1,.3,1),border-color .22s ease,box-shadow .22s ease}.follow-link:hover{transform:translateY(-3px);border-color:rgba(5,155,126,.35);box-shadow:0 14px 28px rgba(16,41,35,.09)}.follow-link:active{transform:scale(.98)}.follow-link:focus-visible{outline:3px solid rgba(18,104,232,.28);outline-offset:3px}.follow-icon{display:grid;flex:0 0 auto;width:38px;height:38px;place-items:center;border-radius:12px;color:#fff}.follow-icon svg{width:19px;height:19px}.follow-icon.bili{background:#fb7299}.follow-icon.douyin{background:#1c1c1c}.follow-icon.xhs{background:#ff2442}
@media(max-width:840px){.follow-card{grid-template-columns:1fr;padding:32px;gap:24px}.follow-links{grid-template-columns:1fr}.follow-link{min-height:58px}}
@media(max-width:520px){.follow-card{padding:26px 22px;border-radius:28px}}
@media(prefers-reduced-motion:reduce){.follow-link{transition:none}.follow-link:hover,.follow-link:active{transform:none}}