:root{--ink:#24242a;--muted:#66666e;--soft:#fffaf9;--rose:#f35e75;--rose-dark:#c84058;--line:#e9e5e5;--mint:#d6f4eb;--shadow:0 28px 70px rgba(40,31,38,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
button{font:inherit}
img{display:block;max-width:100%}
.container{width:min(1160px,calc(100% - 48px));margin-inline:auto}
.skip-link{position:absolute;top:-80px;left:16px;z-index:100;padding:10px 15px;background:#fff;color:var(--ink)}
.skip-link:focus{top:12px}
:focus-visible{outline:3px solid #176e75;outline-offset:3px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:11px;white-space:nowrap;font-size:22px;font-weight:800;line-height:1.1;letter-spacing:0}
.brand img{border-radius:9px}
.brand-cn{font-size:.72em;margin-left:3px}
.site-nav{display:flex;align-items:center;gap:34px;font-size:14px;font-weight:600}
.site-nav a{padding:9px 0;color:#57575e;transition:color .2s}
.site-nav a:hover,.site-nav a.active{color:var(--rose-dark)}
.menu-button{display:none}
.hero{background:var(--soft);border-bottom:1px solid var(--line);overflow:hidden}
.hero-grid{min-height:650px;display:grid;grid-template-columns:1fr .9fr;align-items:center;gap:40px}
.hero-copy{padding:72px 0 86px}
.eyebrow{margin:0;color:var(--rose-dark);font-size:13px;font-weight:800}
.hero h1{margin:16px 0 0;font-size:68px;line-height:1.08;font-weight:850;letter-spacing:0}
.hero h1 span{font-size:.74em;white-space:nowrap}
.hero-line{margin:12px 0 17px;font-size:34px;line-height:1.3;font-weight:750}
.hero-description{max-width:530px;margin:0;color:var(--muted);font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:20px;border:1px solid transparent;border-radius:6px;padding:10px 20px;font-size:14px;font-weight:750;line-height:1.4;transition:transform .2s,background .2s,border-color .2s}
.button:hover{transform:translateY(-2px)}
.button-primary{background:var(--rose);color:#fff}
.button-primary:hover{background:var(--rose-dark)}
.button-secondary{background:#fff;border-color:#dcd7d7}
.button-secondary:hover{border-color:var(--rose)}
.hero-note{margin:16px 0 0;color:#77747a;font-size:12px}
.hero-visual{position:relative;min-height:650px;display:flex;align-items:flex-end;justify-content:center;padding-top:28px}
.phone-shell{width:332px;height:630px;padding:9px 9px 0;border:6px solid #29272d;border-bottom:0;border-radius:40px 40px 0 0;background:#29272d;box-shadow:var(--shadow)}
.phone-screen{height:100%;overflow:hidden;border-radius:26px 26px 0 0;background:#fff}
.phone-screen img{width:100%;height:100%;object-fit:cover;object-position:top}
.visual-caption{position:absolute;right:0;bottom:18px;padding:5px 9px;background:#fff;border:1px solid var(--line);border-radius:4px;color:#777;font-size:11px}
.section{padding:88px 0}
.section-heading{max-width:650px;margin-bottom:40px}.section-heading h2,.scene-copy h2,.band-inner h2{margin:8px 0 12px;font-size:40px;line-height:1.25;letter-spacing:0}.section-heading>p:last-child,.scene-copy>p:not(.eyebrow){color:var(--muted);font-size:16px;margin:0}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-item{padding:24px 0;border-top:2px solid var(--ink)}.feature-number{color:var(--rose-dark);font-size:13px;font-weight:800}.feature-item h3{margin:26px 0 7px;font-size:22px}.feature-item p{max-width:28ch;margin:0;color:var(--muted);font-size:14px}
.screens-section{background:#fff}.screen-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.screen-grid figure{min-width:0;margin:0}.screen-grid a{display:block;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#f4f1f7}.screen-grid a:hover{border-color:var(--rose)}.screen-grid img{width:100%;height:auto;aspect-ratio:1080/2412;object-fit:cover}.screen-grid figcaption{padding:10px 2px;font-size:14px;font-weight:750}
.scene-section{background:#f4f8f7}
.scene-grid{display:grid;grid-template-columns:.8fr 1.2fr;align-items:center;gap:9%}
.scene-copy h2{font-size:48px}.scene-copy>p:not(.eyebrow){max-width:38ch}
.text-link{display:inline-flex;align-items:center;gap:18px;margin-top:22px;padding-bottom:3px;border-bottom:1px solid var(--ink);font-weight:750;font-size:14px}.text-link:hover{color:var(--rose-dark);border-color:var(--rose-dark)}
.scene-shot{width:min(320px,100%);margin:0 auto;text-align:center}.scene-shot img{width:100%;height:auto;border:8px solid #fff;border-radius:22px;box-shadow:0 20px 45px rgba(42,74,66,.12)}.scene-shot figcaption{margin-top:12px;color:var(--muted);font-size:12px}
.steps-section{background:#fff}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.steps-grid>div{border-top:1px solid var(--line);padding-top:17px}.steps-grid span{color:var(--rose-dark);font-size:14px;font-weight:800}.steps-grid h3{margin:24px 0 6px;font-size:20px}.steps-grid p{margin:0;max-width:29ch;color:var(--muted);font-size:14px}
.contact-band{padding:65px 0;background:#2c3030;color:#fff}.band-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}.band-inner h2{font-size:32px}.band-inner p:last-child{margin:0;color:#c8cecc;font-size:14px}.band-actions{display:flex;flex-wrap:wrap;gap:10px}.button-light{flex:none;background:#fff;color:var(--ink)}.button-light:hover{background:var(--mint)}.button-outline{border-color:#858a88;color:#fff}.button-outline:hover{border-color:#fff}
.site-footer{padding:48px 0 26px;background:#fff;color:#4e4e55}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.footer-brand{color:var(--ink)}.footer-top p{margin:13px 0 0;color:var(--muted);font-size:13px}.footer-top nav{display:flex;flex-direction:column;align-items:flex-start;gap:8px;font-size:13px}.footer-top nav a:hover,.footer-bottom a:hover{color:var(--rose-dark)}.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 25px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:#77777d}
.page-hero{padding:78px 0 60px;background:var(--soft);border-bottom:1px solid var(--line)}.page-hero h1{max-width:830px;margin:8px 0 10px;font-size:48px;line-height:1.22;letter-spacing:0}.page-hero p:last-child{max-width:660px;margin:0;color:var(--muted);font-size:17px}
.content-section{padding:68px 0 100px}.content{max-width:850px}.content h2{margin:38px 0 10px;font-size:23px;line-height:1.35}.content h2:first-child{margin-top:0}.content h3{margin:22px 0 7px;font-size:18px}.content p,.content li{color:#515159}.content p{margin:0 0 15px}.content ul{padding-left:22px}.content a:not(.button){color:var(--rose-dark);text-decoration:underline;text-underline-offset:3px}.content a:hover{text-decoration-thickness:2px}
.info-table{width:100%;border-collapse:collapse;margin-top:16px;font-size:14px}.info-table th,.info-table td{padding:14px 15px;border:1px solid var(--line);text-align:left;vertical-align:top;overflow-wrap:anywhere}.info-table th{width:125px;background:#faf8f8;font-weight:700}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px;margin:28px 0 36px}.contact-item{border-top:1px solid var(--line);padding:19px 0}.contact-item span{display:block;margin-bottom:6px;color:#777;font-size:12px}.contact-item strong,.contact-item a{font-size:16px;font-weight:700;overflow-wrap:anywhere}.contact-item p{margin:0}
.service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:32px 0}.service-item{padding:23px;border:1px solid var(--line);border-radius:8px}.service-item span{color:var(--rose-dark);font-size:12px;font-weight:800}.service-item h2{margin:14px 0 8px;font-size:21px}.service-item p{margin:0;font-size:14px}.notice{margin:26px 0;padding:18px 20px;border-left:3px solid var(--rose);background:#fff6f7;color:#57515a;font-size:14px}.legal-date{margin-top:34px;color:#777!important;font-size:12px}
.page-shot{width:min(320px,100%);margin:30px auto}.page-shot img{width:100%;height:auto;border:1px solid var(--line);border-radius:8px}.page-shot figcaption{margin-top:8px;color:var(--muted);font-size:12px;text-align:center}.page-shot-row{display:flex;flex-wrap:wrap;gap:20px;justify-content:center}.page-shot-row .page-shot{flex:0 1 260px;margin:20px 0}.page-shot-row .page-shot img{width:100%}
@media(max-width:900px){.site-nav{gap:18px}.hero-grid{grid-template-columns:1fr .8fr}.hero h1{font-size:55px}.phone-shell{width:300px}.scene-grid{gap:40px}}
@media(max-width:700px){.container{width:min(100% - 32px,560px)}.header-inner{height:64px}.brand{font-size:19px}.brand img{width:36px;height:36px}.menu-button{display:flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:9px;border:1px solid var(--line);border-radius:6px;background:#fff}.menu-button span{display:block;width:100%;height:2px;background:var(--ink)}.site-nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 15px 24px rgba(0,0,0,.08)}.site-nav.is-open{display:flex}.site-nav a{padding:11px 8px}.hero-grid{min-height:0;display:block}.hero-copy{padding:36px 0 14px}.hero h1{font-size:48px}.hero-line{font-size:25px;margin:8px 0 12px}.hero-description{font-size:14px}.hero-actions{margin-top:20px}.hero-note{margin-top:9px}.hero-visual{min-height:0;height:230px;transform:none;overflow:hidden;padding-top:8px}.phone-shell{width:283px;height:520px;transform:scale(.88);transform-origin:top center}.visual-caption{right:2px;bottom:14px}.section{padding:64px 0}.section-heading h2,.band-inner h2{font-size:31px}.scene-copy h2{font-size:36px}.feature-grid,.scene-grid,.steps-grid,.footer-top{grid-template-columns:1fr}.feature-grid{gap:12px}.feature-item h3{margin-top:13px}.feature-item p{max-width:none}.scene-grid{gap:30px}.scene-visual{padding:20px}.band-inner{display:block}.button-light{margin-top:26px}.contact-band{padding:50px 0}.footer-top{gap:28px}.footer-bottom{margin-top:30px}.page-hero{padding:60px 0 45px}.page-hero h1{font-size:36px}.page-hero p:last-child{font-size:15px}.content-section{padding:48px 0 75px}.service-list,.contact-grid{grid-template-columns:1fr}.service-list{gap:12px}.info-table th{width:96px}.info-table th,.info-table td{padding:11px;font-size:13px}}
@media(max-width:360px){.hero h1{font-size:43px}.hero-line{font-size:23px}.hero-visual{height:200px}.button{padding-inline:14px}}
@media(max-width:700px){.screen-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.screen-grid figcaption{font-size:12px}.band-actions{margin-top:24px}.band-actions .button{margin-top:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}