:root{color-scheme:light;--bg:#faf8f7;--paper:#fff;--ink:#24252b;--muted:#6c6d77;--line:#e7e2e3;--accent:#b83366;--soft:#f8eaf0}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);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;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}button:active{transform:translateY(1px)}.wrap{max-width:1180px;margin:auto;padding:0 36px}header{border-bottom:1px solid var(--line);background:#ffffffb3}nav{height:88px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:12px;font-weight:700;line-height:1.35;font-size:17px}.brandmark.product-icon{display:block;width:42px;height:42px;border-radius:11px;object-fit:contain}.brand small{display:block;font-size:10px;letter-spacing:2px;font-weight:500;color:var(--muted);margin-top:5px}.navlinks{display:flex;gap:30px;font-size:14px}.navlinks a:hover{color:var(--accent)}.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;padding-top:64px;padding-bottom:64px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--muted);font-weight:600}.eyebrow:before{content:'';display:inline-block;width:20px;height:2px;background:var(--accent);margin:0 10px 4px 0}h1{font-size:52px;letter-spacing:-2px;line-height:1.26;margin:22px 0;font-weight:650}h1 em{font-style:normal;color:var(--accent)}.lead{font-size:16px;color:var(--muted);max-width:460px;margin-bottom:28px}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 22px;border-radius:9px;font-size:14px;border:1px solid var(--line);background:var(--paper)}.primary{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 5px 15px #b833661a}.status{margin-top:20px;font-size:12px;color:var(--muted)}.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;margin-right:7px}.hero-aside{position:relative;padding:24px 20px 4px;background:radial-gradient(ellipse at 50% 48%,#f3e1e9 0,transparent 68%)}.note{font-size:12px;color:var(--muted);text-align:center;margin:22px 0 0}.device-frame{position:relative;padding:8px;border:1px solid #aaa9aa;border-radius:42px;background:linear-gradient(115deg,#e7e5e3,#b5b3b2 30%,#f8f7f6 48%,#b8b5b4 74%,#e6e3e0);box-shadow:0 24px 48px -20px #5a455c40,0 2px 4px #3e35471a;isolation:isolate}.device-frame:before{content:'';position:absolute;z-index:3;top:8px;left:50%;transform:translateX(-50%);width:45%;height:18px;background:#191a1e;border-radius:0 0 15px 15px}.device-frame:after{content:'';position:absolute;top:25%;right:-4px;width:3px;height:47px;border-radius:0 3px 3px 0;background:linear-gradient(#d7d4d2,#9c9998,#d7d4d2);box-shadow:-1px 0 0 #b9b5b2}.device-screen{overflow:hidden;border:3px solid #1d1e22;border-radius:33px;background:#fff}.portrait-ui{display:block;width:100%;height:auto}.real-hero{width:100%;max-width:292px;margin:0 auto;transform:none}.follow-status{width:max-content;max-width:100%;display:flex;align-items:center;justify-content:center;gap:7px;background:#fff;color:var(--accent);border:1px solid #eddae3;border-radius:99px;padding:7px 14px;font-size:12px;margin:0 auto 22px;box-shadow:0 5px 16px #74516108}.demo-label{color:var(--muted);font-size:10px;margin-left:8px}.pulse{width:6px;height:6px;background:var(--accent);border-radius:50%;animation:breathe 1.6s ease-in-out infinite}.follow-progress{height:3px;border-radius:4px;background:#eadfe4;width:110px;margin:24px auto 0;overflow:hidden}.follow-progress span{display:block;height:100%;background:var(--accent);animation:reading 9s linear infinite}.section{padding:64px 0;border-top:1px solid var(--line)}.section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:28px}.section-no{color:var(--accent);font-size:12px;letter-spacing:2px;margin-bottom:12px}h2{font-size:30px;line-height:1.35;letter-spacing:-.7px;margin:0;font-weight:600}.sub{font-size:14px;color:var(--muted);max-width:440px;margin:0}.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:26px}.tabs button{border:0;background:none;padding:12px 18px;min-height:44px;color:var(--muted);font-size:14px;border-bottom:2px solid transparent}.tabs button[aria-selected=true]{color:var(--accent);border-color:var(--accent);font-weight:600}.product-stage{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;padding:46px;background:linear-gradient(125deg,#fff9fc,#fff 62%);border:1px solid var(--line);border-radius:24px}.portrait-wrap{width:100%;max-width:298px;margin:auto}.stage-description h3{font-size:27px;line-height:1.4;margin:14px 0}.stage-description p{font-size:15px;color:var(--muted)}.tools{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.tools button{font:inherit;background:var(--paper);color:var(--ink);border:1px solid var(--line);font-size:12px;padding:7px 10px;border-radius:7px}.tools button[aria-pressed=true]{border-color:var(--accent);color:var(--accent);background:var(--soft)}#interaction-tools[hidden]{display:none}.stage-note{border-top:1px solid var(--line);padding-top:22px;margin-top:28px}.stage-description small{color:var(--muted);font-size:11px}.caption{font-size:12px;color:var(--muted);margin-top:16px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:36px}.feature{border-top:1px solid var(--line);padding-top:22px}.feature-num{font-size:11px;color:var(--accent);letter-spacing:1px}.feature h3{font-size:18px;font-weight:600;margin:10px 0}.feature p{font-size:14px;color:var(--muted);margin:0}.downloads{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}.download-card{background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:16px;padding:28px;text-align:left;display:flex;flex-direction:column;gap:8px;align-items:flex-start;box-shadow:0 4px 15px #4f3c4d03;transition:border-color .2s,box-shadow .2s}.download-card:hover{border-color:#cfa0b4;box-shadow:0 10px 30px #4f3c4d0c}.download-card strong{font-size:20px}.download-card small{color:var(--muted);font-size:13px}.download-card>span:last-child{font-size:13px;margin-top:20px;color:var(--accent)}.platform-icon{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;color:var(--ink);margin-bottom:8px}.platform-icon svg{display:block;width:32px;height:32px;fill:currentColor}.contact{background:#f4eaf0;border:1px solid #eadbe3;color:var(--ink);padding:44px;border-radius:20px;display:grid;grid-template-columns:1.2fr 1fr;gap:36px;align-items:center}.contact h2{font-size:28px;margin-bottom:12px}.contact p{color:var(--muted);font-size:14px;margin:0}.contact-info{border-left:1px solid #ddcdd6;padding-left:30px;font-size:14px;min-width:0}.contact-info dt{font-size:11px;color:var(--muted);margin:8px 0 2px}.contact-info dd{margin:0}.contact-info a{color:var(--accent);overflow-wrap:anywhere}.pending{font-size:14px}footer{padding:26px 0 36px;font-size:12px;color:var(--muted)}.footrow{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.footlinks{display:flex;gap:22px}.footlinks a{padding:8px 0}.footer-note{margin-top:9px;font-size:11px}.download-toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%);z-index:99;background:#323038;color:#fff;border:1px solid #524651;border-radius:10px;padding:12px 26px;font-size:15px;box-shadow:0 8px 25px #33273322}.download-toast[hidden]{display:none}.skip-link{position:absolute;left:12px;top:-80px;padding:10px 16px;background:var(--paper);z-index:100}.skip-link:focus{top:12px}dialog{max-width:560px;width:calc(100% - 36px);max-height:85dvh;overflow:auto;border:1px solid var(--line);border-radius:16px;padding:28px;background:var(--paper);color:var(--ink)}dialog::backdrop{background:#27202c66}dialog h3{margin-top:0}dialog p{font-size:14px;color:var(--muted)}dialog button{float:right}@keyframes breathe{50%{opacity:.35}}@keyframes reading{from{width:15%}to{width:95%}}@media(min-width:1500px){.wrap{max-width:1240px}}@media(max-width:760px){.wrap{padding:0 22px}nav{height:76px;gap:12px}.brand{font-size:14px;gap:9px}.brand small{font-size:8px;letter-spacing:1px}.brandmark.product-icon{width:34px;height:34px}.navlinks{gap:12px;font-size:12px}.navlinks a:nth-child(-n+2){display:none}.hero{grid-template-columns:1fr;gap:30px;padding-top:36px;padding-bottom:40px}h1{font-size:39px;letter-spacing:-1.5px;margin:18px 0}.lead{font-size:15px}.hero-aside{padding:18px 12px 0}.real-hero{max-width:268px;transform:none}.section{padding:40px 0}.section-top{display:block}.sub{margin-top:14px}h2{font-size:25px}.tabs{gap:0}.tabs button{padding:12px 10px;font-size:13px}.product-stage{grid-template-columns:1fr;gap:30px;padding:30px 18px}.portrait-wrap{max-width:274px}.stage-description h3{font-size:23px}.features{grid-template-columns:1fr;gap:22px}.feature{padding-top:16px}.downloads{grid-template-columns:1fr}.download-card{padding:24px}.contact{grid-template-columns:1fr;padding:28px 22px;gap:24px}.contact-info{padding:16px 0 0;border-left:0;border-top:1px solid #ddcdd6}.contact h2{font-size:24px}.footer-note{line-height:1.8}.btn{padding:10px 18px}}@media(max-width:380px){.hero-aside{padding-left:0;padding-right:0}.product-stage{padding-left:12px;padding-right:12px}.device-frame{padding:6px;border-radius:35px}.device-screen{border-radius:28px}.device-frame:before{top:6px;height:16px}.brand small{letter-spacing:0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.pulse,.follow-progress span{animation:none}.follow-progress span{width:55%}.download-card{transition:none}}