:root{--blue:#2858df;--ink:#192b43;--muted:#5c6b7e;--line:#e3e9f1;--surface:#f5f8fc;--radius:16px;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#fff;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0}::selection{background:#d4e2ff;color:#163578}a{color:inherit;text-decoration:none}button{font:inherit}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.svg-library{position:absolute;width:0;height:0;overflow:hidden}a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:5px;border-radius:5px}.container{width:min(1184px,calc(100% - 96px));margin:auto}p{line-height:1.9;margin:0;color:var(--muted)}h1,h2,h3{margin:0;font-weight:650}h1,h2{text-wrap:balance}section[id]{scroll-margin-top:10px}.skip-link{position:fixed;top:-100px;left:16px;z-index:10;padding:12px;background:#fff}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:5;background:#fff;border-bottom:1px solid #edf1f6}.header-inner{height:88px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:12px;font-size:21px;font-weight:700;letter-spacing:.02em}.brand-mark{display:grid;place-items:center;width:38px;height:42px;border-radius:11px;background:var(--blue);color:#fff}.brand-mark svg{width:25px;height:25px}.site-header nav{display:flex;gap:40px;align-items:center;height:100%;font-size:14px}.site-header nav a{height:100%;display:flex;align-items:center;position:relative;color:var(--muted)}.site-header nav a:hover,.site-header nav a[aria-current]{color:var(--blue)}.site-header nav a[aria-current]:after{content:"";position:absolute;bottom:19px;left:calc(50% - 9px);width:18px;height:2px;background:var(--blue)}.menu-toggle{display:none}
.hero{background:#f5f8ff;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:48px;min-height:764px;padding-top:55px;padding-bottom:55px}.hero-copy{padding-bottom:20px}h1{font-size:clamp(38px,3.65vw,54px);line-height:1.45;letter-spacing:-.025em}h1 span{color:var(--blue)}.hero-description{font-size:16px;max-width:480px;margin-top:26px;line-height:1.95}.primary-link{display:inline-flex;align-items:center;gap:32px;background:var(--blue);color:#fff;border-radius:9px;padding:17px 24px;margin-top:32px;font-size:15px;font-weight:600;transition:background .2s,transform .2s}.primary-link:hover{background:#1d47bb;transform:translateY(-2px)}.primary-link svg{width:20px;height:20px}.hero-note{display:flex;align-items:center;gap:12px;margin-top:36px;font-size:12px;color:var(--muted)}.mini-members{display:flex;padding-left:0}.mini-members i{display:grid;place-items:center;width:30px;height:30px;border:2px solid #f5f8ff;border-radius:50%;background:#dbe6ff;color:#3356a1;font-size:10px;font-style:normal}.mini-members i+i{margin-left:-7px;background:#f4decf;color:#835637}
.product-visual{position:relative;margin:0;display:flex;flex-direction:column;align-items:center;padding:0 0 15px;isolation:isolate}.visual-orbit{position:absolute;width:480px;height:480px;border:1px solid #dbe6fb;border-radius:50%;z-index:-1;top:48px;left:50%;transform:translateX(-50%)}.visual-orbit:after{content:"";position:absolute;inset:29px;background:#e8efff;border-radius:50%}.phone{width:310px;background:#fff;border:6px solid #253349;border-radius:42px;padding:14px 18px 11px;box-shadow:15px 30px 65px -30px #4d639166;transform:rotate(3deg);font-size:11px;position:relative}.phone-top{display:flex;align-items:center;justify-content:space-between;height:27px;font-size:10px;font-weight:700;margin-bottom:20px;position:relative}.camera{position:absolute;left:50%;transform:translateX(-50%);top:-2px;width:77px;height:20px;background:#253349;border-radius:15px}.app-heading{display:flex;align-items:center;justify-content:space-between;gap:4px}.app-heading>span:first-child{display:flex;align-items:center;gap:4px;font-size:14px;font-weight:700}.app-heading svg{width:17px;height:17px;color:var(--blue)}.demo-label{font-size:9px;color:#42577d;background:#edf2fb;padding:4px 5px;border-radius:4px;white-space:nowrap}.app-members{display:flex;gap:5px;align-items:center;font-size:9px;color:var(--muted);margin:14px 0}.avatar{display:inline-grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#e0e9ff;color:#365692;font-size:10px}.avatar.second{background:#f4e5d8;color:#815a3d}.app-members .second{margin-left:-9px;border:2px solid white}.balance{background:#eaf0ff;padding:18px 15px;border-radius:12px;color:#29436d}.balance>div:first-child{display:flex;justify-content:space-between;font-size:10px}.balance>div:first-child span{font-size:9px}.balance>strong{display:block;font-size:31px;font-weight:650;margin:9px 0 18px;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.balance small{font-size:19px;font-weight:400}.balance-bottom{display:flex;gap:25px;font-size:9px}.balance-bottom b{display:block;font-size:12px;margin-top:7px;font-weight:600}.app-section-title{display:flex;justify-content:space-between;align-items:center;font-weight:700;margin-top:22px;margin-bottom:7px;font-size:12px}.app-section-title>span{font-size:9px;color:var(--muted);font-weight:400}.transaction{display:flex;align-items:center;gap:9px;padding:13px 0;border-bottom:1px solid #f0f3f8}.transaction-icon{width:31px;height:33px;border-radius:9px;display:grid;place-items:center}.transaction-icon svg{width:17px;height:17px}.peach{background:#fff0df;color:#9b642c}.lavender{background:#eeebff;color:#7063ac}.mint{background:#e7f3ee;color:#36765a}.transaction b{font-weight:500;font-size:11px}.transaction small{display:block;color:var(--muted);font-size:9px;margin-top:4px}.transaction>strong{margin-left:auto;font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}.transaction>strong.income{color:#287154}.chart-title{margin-top:18px}.category-bar{height:9px;display:flex;gap:3px;margin:12px 0;border-radius:5px;overflow:hidden}.category-bar i:nth-child(1){width:40%;background:#3c67de}.category-bar i:nth-child(2){width:35%;background:#819fed}.category-bar i:nth-child(3){width:25%;background:#c8d5f7}.chart-legend{display:flex;justify-content:space-between;font-size:8px;color:#52627b}.chart-legend span{display:flex;align-items:center;gap:3px}.chart-legend i{width:5px;height:5px;background:#3c67de;border-radius:50%}.chart-legend span:nth-child(2) i{background:#819fed}.chart-legend span:nth-child(3) i{background:#c8d5f7}.phone-bottom{width:83px;height:4px;background:#253349;margin:24px auto 0;border-radius:4px}.floating-note{position:absolute;left:-14px;bottom:88px;background:#fff;padding:17px 20px;border-radius:12px;display:flex;align-items:center;gap:12px;box-shadow:0 12px 35px #243f7014;transform:rotate(-4deg)}.note-icon{background:#eaf0ff;color:var(--blue);width:37px;height:37px;display:grid;place-items:center;border-radius:50%}.floating-note b{font-size:12px;font-weight:600}.floating-note small{display:block;font-size:10px;color:var(--muted);margin-top:5px}figcaption{font-size:10px;color:#5b6d88;margin-top:29px}
.section-space{padding:96px 0}.section-heading{margin-bottom:40px}.section-heading h2,h2{font-size:34px;line-height:1.5;letter-spacing:-.025em}.section-heading p{font-size:14px;margin-top:14px}.mobile-break{display:none}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.feature{padding:27px 24px 24px;background:var(--surface);border-radius:var(--radius)}.feature-icon{color:var(--blue);display:block;margin-bottom:23px}.feature-icon svg{width:29px;height:29px}.feature h3{font-size:19px;margin-bottom:13px}.feature p{font-size:13px;line-height:1.95}.feature-detail,.category-chips,.member-detail,.stats-detail{margin-top:28px;min-height:48px;font-size:10px;display:flex;align-items:center;gap:7px}.feature-detail{font-weight:600}.feature-detail small{display:block;font-size:9px;font-weight:400;color:var(--muted);margin-top:5px}.feature-detail>svg{margin-left:auto;width:18px;color:#798aa4}.ledger-spine{width:5px;height:32px;background:#bdd0ff;border-radius:3px}.category-chips{gap:5px;flex-wrap:wrap;align-content:center}.category-chips span{padding:6px 8px;background:#e6edfc;border-radius:5px;color:#3d587f}.member-detail>span:last-child{font-size:10px;color:#4d6081}.stats-detail{color:#4d6081}.stats-detail svg{color:#5278da;width:34px;height:34px}
.scenarios{padding-top:24px}.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.scenario-art{height:215px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;flex-direction:column;padding:20px}.scenario-art>svg{width:39px;height:39px;stroke-width:1.3}.art-word{font-size:24px;font-weight:600;letter-spacing:.06em;margin:17px 0 12px}.scenario-art>span{font-size:11px}.couple{background:#edf2ff;color:#3e5ba4}.family{background:#f3eee5;color:#766044}.living{background:#eaf1ef;color:#466d63}.scenario-grid h3{font-size:20px;margin:23px 0 8px}.scenario-grid p{font-size:13px}
.about{background:#f5f8ff}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:110px;align-items:start}.about h2{font-size:32px;line-height:1.6}.about-signature{display:flex;gap:10px;align-items:center;color:var(--blue);font-size:14px;font-weight:600;margin-top:28px}.about-copy p{font-size:15px;margin-bottom:18px}.text-link{display:inline-flex;align-items:center;gap:20px;color:var(--blue);font-size:14px;margin-top:10px}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.text-link svg{width:18px}footer{padding:45px 0}.footer-inner{display:flex;align-items:center;gap:40px}.footer-inner>div{margin-right:auto}.footer-inner .brand{font-size:17px}.footer-inner .brand-mark{width:29px;height:32px;border-radius:8px}.footer-inner .brand-mark svg{width:20px}.footer-inner p{font-size:11px;margin-top:12px}.footer-inner>a,.footer-inner>small{font-size:12px;color:var(--muted)}
@media(min-width:1600px){.hero-grid{min-height:800px}}
@media(max-width:1050px){.container{width:calc(100% - 64px)}.hero-grid{gap:24px;min-height:730px}h1{font-size:39px}.hero-description{font-size:14px}.floating-note{left:-12px;padding:14px}.feature-grid{grid-template-columns:repeat(2,1fr)}.feature p{min-height:50px}.feature-detail,.category-chips,.member-detail,.stats-detail{margin-top:18px}.about-grid{gap:48px}.scenario-grid{gap:20px}.scenario-art>span{font-size:10px}.art-word{font-size:21px}}
@media(max-width:760px){.container{width:calc(100% - 40px)}.header-inner{height:72px}.brand{font-size:18px;gap:9px}.brand-mark{height:35px;width:32px;border-radius:9px}.site-header nav{gap:22px;font-size:13px}.hero-grid{grid-template-columns:1fr;gap:50px;padding:48px 0 37px}.hero-copy{padding:0}h1{font-size:clamp(34px,6.5vw,48px);line-height:1.45}.hero-description{font-size:15px;max-width:540px;margin-top:22px}.primary-link{margin-top:25px;padding:15px 22px}.hero-note{margin-top:26px;font-size:11px}.product-visual{width:min(100%,460px);justify-self:center;padding-bottom:0}.phone{transform:rotate(2deg)}.visual-orbit{width:390px;height:390px;top:70px}.floating-note{left:0;bottom:75px}.section-space{padding:64px 0}.section-heading{margin-bottom:30px}.section-heading h2,h2{font-size:28px}.section-heading p{font-size:13px;line-height:1.8}.feature-grid{gap:14px}.feature{padding:24px 18px}.feature h3{font-size:18px}.feature p{font-size:13px;min-height:76px}.feature-icon{margin-bottom:19px}.feature-detail,.member-detail,.stats-detail{flex-wrap:wrap}.scenarios{padding-top:0}.scenario-grid{grid-template-columns:1fr;gap:30px}.scenario-art{height:200px}.scenario-art>span{font-size:12px}.art-word{font-size:26px}.scenario-grid h3{margin-top:17px}.scenario-grid p{font-size:14px}.about-grid{grid-template-columns:1fr;gap:30px}.about h2{font-size:29px}.about-signature{margin-top:22px}.about-copy p{font-size:14px}.footer-inner{flex-wrap:wrap;gap:22px}.footer-inner>div{width:100%;margin:0}.footer-inner>small{margin-left:auto}footer{padding:34px 0}}
@media(max-width:480px){html{scroll-padding-top:88px}.menu-toggle:not([hidden]){display:flex;align-items:center;gap:10px;border:0;background:#eef3ff;color:#284982;padding:11px 13px;border-radius:7px;font-size:12px;cursor:pointer}.menu-lines{width:14px;height:10px;border-top:1.5px solid;border-bottom:1.5px solid}.js .site-header nav{display:none;position:absolute;top:72px;left:0;right:0;background:white;height:auto;padding:12px 20px 20px;box-shadow:0 12px 16px #172e5010}.js .site-header nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:0}.site-header nav a{padding:13px 0;min-height:44px}.site-header nav a[aria-current]:after{display:none}.header-inner{flex-wrap:wrap}html:not(.js) .header-inner{height:auto;min-height:72px;padding:12px 0}html:not(.js) nav{gap:16px;font-size:12px;height:auto}h1{font-size:clamp(29px,8.3vw,37px)}.hero-grid{gap:40px}.hero-description{font-size:14px}.hero-note{gap:7px;font-size:10px}.floating-note{left:0;bottom:70px;padding:12px;gap:8px}.floating-note b{font-size:11px}.floating-note small{font-size:9px}.note-icon{width:31px;height:31px}.product-visual{padding-top:8px}.visual-orbit{width:340px;height:340px;top:80px}.phone{width:286px;padding:12px 14px 9px}.phone-top{margin-bottom:17px}.balance{padding:16px 13px}.balance>strong{font-size:29px}.transaction{padding:11px 0}.chart-legend{font-size:8px}.feature-grid{grid-template-columns:1fr}.feature{padding:26px}.feature-icon{float:left;margin-right:15px;margin-bottom:0}.feature h3{padding-top:2px;margin-bottom:20px}.feature p{min-height:0;clear:both}.feature-detail,.category-chips,.member-detail,.stats-detail{min-height:35px}.feature-detail{justify-content:flex-start}.feature-detail>svg{margin-left:12px}.mobile-break{display:block}.section-heading h2{font-size:27px}.footer-inner{gap:18px}.footer-inner>small{font-size:11px}}
.floating-note{position:relative;left:auto;bottom:auto;transform:none;margin-top:28px;padding:12px 18px}figcaption{margin-top:14px}
@media(min-width:761px) and (max-width:1050px){.about h2{font-size:26px}}
@media(max-width:480px){.about h2{font-size:clamp(23px,6.3vw,29px)}}
@media(max-width:360px){.phone{width:260px;transform:none}.app-heading>span:first-child{font-size:12px}.app-heading svg{width:15px}.balance-bottom{gap:18px}.balance>div:first-child{font-size:9px}.balance>strong{font-size:27px}.transaction{gap:6px}.transaction b{font-size:10px}.transaction>strong{font-size:11px}.transaction-icon{width:27px}.visual-orbit{width:300px;height:300px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
