:root{--paper:#fffaf6;--ink:#17213b;--muted:#697188;--coral:#ff5b55;--blue:#3154d8;--line:#ece7e2;--white:#fff;--shadow:0 28px 80px rgba(30,39,76,.12)}
*{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,"SF Pro Display","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.shell{width:min(1160px,calc(100% - 48px));margin:0 auto}.site-header{position:sticky;z-index:20;top:0;border-bottom:1px solid rgba(23,33,59,.07);background:rgba(255,250,246,.88);backdrop-filter:blur(18px)}.nav-wrap{height:74px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:750;letter-spacing:.08em}.brand img{width:38px;height:38px;object-fit:contain}.nav-wrap nav{display:flex;gap:34px;color:#4f586d;font-size:14px}.nav-wrap nav a{position:relative;padding:10px 0}.nav-wrap nav a:after{position:absolute;bottom:2px;left:0;width:0;height:2px;background:var(--coral);content:"";transition:.25s}.nav-wrap nav a:hover:after{width:100%}
.hero{min-height:680px;padding:78px 0 68px;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:60px}.eyebrow,.section-kicker{color:var(--blue);font-size:13px;font-weight:750;letter-spacing:.16em}.eyebrow{display:flex;align-items:center;gap:10px}.eyebrow span{width:25px;height:2px;background:var(--coral)}.hero h1{margin:23px 0 25px;font-family:Georgia,"Songti SC",serif;font-size:70px;line-height:1.08;letter-spacing:-.05em}.hero h1 em{color:var(--coral);font-style:normal}.hero-lead{max-width:580px;margin:0;color:var(--muted);font-size:18px;line-height:1.9}.hero-actions{margin-top:34px;display:flex;align-items:center;gap:28px}.primary-button{height:52px;padding:0 27px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:#fff;font-size:15px;font-weight:700;box-shadow:0 12px 28px rgba(23,33,59,.18);transition:.25s}.primary-button:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(23,33,59,.23)}.text-button{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:14px;font-weight:700}.text-button span{transition:.2s}.text-button:hover span{transform:translateX(4px)}.trust-row{margin-top:35px;display:flex;flex-wrap:wrap;gap:10px}.trust-row span{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.75);color:#646c80;font-size:12px}.trust-row span:before{margin-right:6px;color:var(--coral);content:"✓"}
.hero-visual{position:relative;height:570px;display:grid;place-items:center}.orbit{position:absolute;border:1px solid rgba(49,84,216,.12);border-radius:50%}.orbit-one{width:500px;height:500px}.orbit-two{width:400px;height:400px}.phone{position:relative;z-index:2;width:280px;height:556px;overflow:hidden;border:8px solid #18213c;border-radius:46px;background:#f4f6f8;box-shadow:var(--shadow);transform:rotate(2deg)}.phone-top{position:absolute;z-index:5;top:0;left:0;width:100%;height:36px;padding:10px 17px 0;display:flex;justify-content:space-between;color:#1c243a;font-size:9px;font-weight:700}.phone-top i{width:74px;height:19px;margin-top:-10px;border-radius:0 0 13px 13px;background:#18213c}.map-canvas{position:relative;height:355px;overflow:hidden;background:linear-gradient(135deg,#edf4e9,#f6f3e7 50%,#e6f1f6)}.map-canvas:before,.map-canvas:after{position:absolute;width:360px;height:55px;border:16px solid rgba(255,255,255,.8);border-left:0;border-right:0;content:"";transform:rotate(-30deg)}.map-canvas:before{top:70px;left:-45px}.map-canvas:after{top:205px;left:-30px;transform:rotate(26deg)}.map-road{position:absolute;z-index:1;width:350px;height:5px;border-radius:8px;background:rgba(255,255,255,.9)}.road-one{top:175px;left:-20px;transform:rotate(-55deg)}.road-two{top:103px;left:18px;transform:rotate(14deg)}.road-three{top:264px;left:-40px;transform:rotate(-12deg)}.map-label{position:absolute;z-index:1;color:#78827b;font-size:8px}.label-one{top:77px;left:34px}.label-two{top:213px;right:25px}.pin{position:absolute;z-index:4;width:40px;height:40px;border:4px solid #fff;border-radius:50% 50% 50% 8px;color:#fff;box-shadow:0 7px 16px rgba(30,39,76,.22);transform:rotate(-45deg);display:grid;place-items:center}.pin b{font-size:10px;transform:rotate(45deg)}.pin-blue{top:61px;right:38px;background:var(--blue)}.pin-coral{top:218px;left:45px;background:var(--coral)}.route-line{position:absolute;z-index:3;inset:20px 0 auto 0;width:100%;height:280px;overflow:visible}.route-line path{fill:none;stroke:var(--blue);stroke-width:4;stroke-linecap:round;stroke-dasharray:4 9;opacity:.55}
.status-sheet{position:absolute;z-index:6;right:0;bottom:0;left:0;height:222px;padding:13px 18px 18px;border-radius:24px 24px 0 0;background:#fff;box-shadow:0 -8px 24px rgba(23,33,59,.08)}.sheet-handle{width:34px;height:4px;margin:0 auto 15px;border-radius:10px;background:#d9dce4}.status-heading{margin-bottom:10px;display:flex;align-items:flex-end;justify-content:space-between}.status-heading small,.status-heading strong{display:block}.status-heading small{margin-bottom:4px;color:#9aa0af;font-size:8px}.status-heading strong{font-size:14px}.live-dot{padding:5px 7px;border-radius:99px;background:#eef8ef;color:#3d9759;font-size:7px}.person-row{margin-top:8px;padding:9px 10px;border-radius:12px;display:grid;grid-template-columns:32px 1fr 18px;align-items:center;gap:9px;background:#f8f8fa}.person-row .avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:9px;font-weight:700}.avatar-me{background:var(--blue)}.avatar-ta{background:var(--coral)}.person-row b,.person-row small{display:block}.person-row b{margin-bottom:2px;font-size:9px}.person-row small{color:#9298a5;font-size:7px}.check{color:#4fac6b;font-size:11px}.floating-card{position:absolute;z-index:5;padding:13px 16px;border:1px solid rgba(255,255,255,.75);border-radius:16px;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.9);box-shadow:0 16px 38px rgba(23,33,59,.13);backdrop-filter:blur(12px)}.floating-card>span{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:#fff0ec;color:var(--coral);font-size:13px;font-weight:800}.floating-card b,.floating-card small{display:block;white-space:nowrap}.floating-card b{margin-bottom:3px;font-size:12px}.floating-card small{color:#8990a1;font-size:9px}.privacy-card{top:105px;right:-7px}.track-card{bottom:74px;left:-10px}.track-card>span{background:#edf1ff;color:var(--blue)}
.promise-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.promise-grid{min-height:120px;display:grid;grid-template-columns:repeat(3,1fr);align-items:center}.promise-grid div{padding:10px 40px;text-align:center}.promise-grid div+div{border-left:1px solid var(--line)}.promise-grid strong,.promise-grid span{display:block}.promise-grid strong{margin-bottom:8px;font-family:Georgia,"Songti SC",serif;font-size:22px}.promise-grid span{color:var(--muted);font-size:12px}.section{padding:112px 0}.section-heading{max-width:700px;margin:0 auto 52px;text-align:center}.section-heading h2,.privacy-copy h2,.closing h2{margin:15px 0 16px;font-family:Georgia,"Songti SC",serif;font-size:42px;line-height:1.28;letter-spacing:-.025em}.section-heading p,.privacy-copy>p{color:var(--muted);font-size:16px;line-height:1.8}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature-card{position:relative;min-height:490px;padding:30px;overflow:hidden;border:1px solid var(--line);border-radius:28px;background:#fff}.feature-card:before{position:absolute;top:0;right:0;left:0;height:4px;background:var(--card-color);content:""}.feature-personal{--card-color:var(--blue)}.feature-together{--card-color:var(--coral)}.feature-control{--card-color:#50ad72}.feature-icon{width:48px;height:48px;margin-bottom:36px;border-radius:15px;display:grid;place-items:center;background:#f3f5ff;color:var(--card-color);font-size:22px;font-weight:800}.feature-together .feature-icon{background:#fff1ef}.feature-control .feature-icon{background:#eef8f1}.feature-number{position:absolute;top:32px;right:30px;color:#c8ccd4;font:14px Georgia,serif}.feature-card h3{margin:0 0 13px;font-size:22px}.feature-card>p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}.mini-track{position:relative;margin-top:35px;padding-left:27px}.track-line{position:absolute;top:11px;bottom:13px;left:7px;border-left:2px dashed #cdd5f4}.mini-track i{position:absolute;left:1px;width:14px;height:14px;border:3px solid #fff;border-radius:50%;background:var(--blue);box-shadow:0 0 0 1px #b8c4f0}.mini-track i:nth-of-type(1){top:2px}.mini-track i:nth-of-type(2){top:52px;background:#8297e8}.mini-track i:nth-of-type(3){top:102px;background:var(--coral)}.mini-track div{height:50px}.mini-track b,.mini-track small{display:block}.mini-track b{font-size:11px}.mini-track small{margin-top:3px;color:#9ba1af;font-size:9px}.pair-visual{height:138px;margin-top:45px;display:flex;align-items:center;justify-content:center}.pair-avatar{width:72px;height:72px;border:6px solid #fff;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:14px;font-weight:750;box-shadow:0 12px 30px rgba(23,33,59,.14)}.pair-avatar.coral{background:var(--coral)}.pair-avatar.blue{background:var(--blue)}.pair-link{width:68px;display:flex;justify-content:space-around}.pair-link i{width:5px;height:5px;border-radius:50%;background:#ccd0d9}.control-panel{margin-top:32px;padding:6px 16px;border-radius:18px;background:#f7f8fa}.control-panel>div{padding:15px 0;display:flex;align-items:center;justify-content:space-between}.control-panel>div+div{border-top:1px solid #e6e8ed}.control-panel b,.control-panel small{display:block}.control-panel b{font-size:12px}.control-panel small{margin-top:4px;color:#9aa0ae;font-size:8px}.switch{position:relative;width:38px;height:23px;border-radius:20px;background:#d9dce3}.switch:after{position:absolute;top:3px;left:3px;width:17px;height:17px;border-radius:50%;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.15);content:""}.switch.on{background:#50ad72}.switch.on:after{left:18px}
.privacy-section{padding:112px 0;background:var(--ink);color:#fff}.privacy-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px;align-items:center}.privacy-copy .section-kicker{color:#94a9ff}.privacy-copy h2{font-size:46px}.privacy-copy>p{color:#adb4c7}.text-button.dark{margin-top:16px;color:#fff}.privacy-list article{padding:25px 0;display:grid;grid-template-columns:54px 1fr;gap:15px;border-top:1px solid rgba(255,255,255,.12)}.privacy-list article:last-child{border-bottom:1px solid rgba(255,255,255,.12)}.privacy-list article>span{color:#7380a6;font:13px Georgia,serif}.privacy-list h3{margin:0 0 7px;font-size:18px}.privacy-list p{margin:0;color:#adb4c7;font-size:13px;line-height:1.75}.align-left{margin-right:auto;margin-left:0;text-align:left}.steps-section{padding-bottom:70px}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:52px}.steps-grid article{position:relative;padding-top:28px;border-top:2px solid var(--ink)}.steps-grid article:before{position:absolute;top:-5px;left:0;width:8px;height:8px;border-radius:50%;background:var(--coral);content:""}.steps-grid span{color:var(--coral);font:30px Georgia,serif}.steps-grid h3{margin:25px 0 11px;font-size:18px}.steps-grid p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}
.faq-section{padding-top:70px}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 36px}.faq-grid details{padding:22px 0;border-top:1px solid var(--line)}.faq-grid details:nth-last-child(-n+2){border-bottom:1px solid var(--line)}.faq-grid summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px;font-size:15px;font-weight:700}.faq-grid summary::-webkit-details-marker{display:none}.faq-grid summary span{color:var(--coral);font-size:20px;transition:.2s}.faq-grid details[open] summary span{transform:rotate(45deg)}.faq-grid p{margin:15px 34px 0 0;color:var(--muted);font-size:13px;line-height:1.75}.closing{margin-bottom:110px;padding:60px 66px;border-radius:32px;display:grid;grid-template-columns:86px 1fr auto;align-items:center;gap:30px;background:linear-gradient(135deg,#304fc8,#20367e);color:#fff;box-shadow:0 30px 80px rgba(49,84,216,.23)}.closing>img{width:78px;height:78px;object-fit:contain;filter:drop-shadow(0 9px 18px rgba(0,0,0,.15))}.closing .section-kicker{color:#cbd5ff}.closing h2{margin:8px 0 7px;font-size:32px}.closing p{margin:0;color:#c9d1ef;font-size:13px}.primary-button.light{background:#fff;color:var(--blue);box-shadow:none}
footer{border-top:1px solid var(--line);background:#fff}.footer-main{min-height:110px;display:flex;align-items:center;justify-content:space-between}.footer-brand{font-size:17px}.footer-brand img{width:32px;height:32px}.footer-links{display:flex;gap:28px;color:#626a7e;font-size:13px}.footer-links a:hover{color:var(--blue)}.footer-bottom{min-height:62px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;color:#9ba1ad;font-size:11px}.footer-bottom a:hover{color:var(--blue)}
@media(max-width:960px){.hero{grid-template-columns:1fr;gap:20px;padding-top:64px;text-align:center}.hero-copy{display:flex;flex-direction:column;align-items:center}.hero h1{font-size:60px}.hero-visual{height:610px}.privacy-layout{grid-template-columns:1fr;gap:45px}.feature-grid{grid-template-columns:1fr 1fr}.feature-card:last-child{grid-column:1/-1;min-height:400px}.closing{grid-template-columns:70px 1fr}.closing .primary-button{grid-column:2}.nav-wrap nav{gap:20px}.promise-grid div{padding:10px 20px}}
@media(max-width:700px){.shell{width:calc(100% - 32px)}.site-header{position:relative}.nav-wrap{height:66px}.nav-wrap nav{display:none}.brand{font-size:18px}.brand img{width:34px;height:34px}.hero{width:calc(100% - 32px);min-width:0;min-height:0;padding:56px 0 42px;display:flex;flex-direction:column}.hero-copy{width:100%;min-width:0}.eyebrow{font-size:11px}.hero h1{max-width:100%;margin-top:18px;font-size:45px;line-height:1.14}.hero-lead{width:100%;max-width:100%;font-size:15px;line-height:1.8;overflow-wrap:anywhere}.hero-actions{gap:18px;flex-direction:column}.trust-row{width:100%;justify-content:center}.hero-visual{width:100%;height:570px;transform:scale(.9);margin:-15px 0 -25px}.privacy-card{right:-28px}.track-card{left:-28px}.promise-grid{padding:18px 0;grid-template-columns:1fr}.promise-grid div{padding:18px 10px}.promise-grid div+div{border-top:1px solid var(--line);border-left:0}.section,.privacy-section{padding:78px 0}.section-heading{margin-bottom:36px}.section-heading h2,.privacy-copy h2{font-size:32px}.feature-grid{grid-template-columns:1fr}.feature-card,.feature-card:last-child{grid-column:auto;min-height:450px;padding:26px}.privacy-layout{gap:36px}.privacy-copy h2{font-size:34px}.steps-grid{grid-template-columns:1fr;gap:34px}.faq-grid{grid-template-columns:1fr}.faq-grid details:nth-last-child(2){border-bottom:0}.faq-grid details:last-child{border-bottom:1px solid var(--line)}.closing{margin-bottom:70px;padding:42px 28px;grid-template-columns:1fr;text-align:center}.closing>img{margin:auto}.closing .primary-button{grid-column:auto;width:100%}.footer-main{padding:30px 0;flex-direction:column;gap:24px}.footer-bottom{padding:22px 0;flex-direction:column;justify-content:center;text-align:center}.footer-links{gap:19px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.primary-button,.text-button span{transition:none}}