/* 片刻官网：沿用 App 的中性色阶、系统字与内容优先层次。 */
:root{color-scheme:light dark;--paper:#faf9f6;--surface:#fff;--ink:#1d1d1f;--secondary:#73736f;--line:#deded9;--soft:#efeee9;--action:#1d1d1f;--on-action:#fff;--blue:#007aff;--keep:#159f71;--app:#f5f5f7;--app-side:#ececee;--app-card:#fff;--app-line:#dcdcdf;--app-ink:#272729;--app-muted:#85858b;--page-width:1180px;--nav-height:64px;font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}
@media(prefers-color-scheme:dark){:root{--paper:#151515;--surface:#222;--ink:#f5f5f3;--secondary:#a0a09b;--line:#3b3b38;--soft:#20201f;--action:#f2f2ee;--on-action:#191919;--app:#202020;--app-side:#282828;--app-card:#313131;--app-line:#414141;--app-ink:#f5f5f5;--app-muted:#a5a5a5}}
*{box-sizing:border-box}html{scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased}body:has(dialog[open]){overflow:hidden}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--blue);outline-offset:5px}button:disabled{opacity:.5;cursor:wait}img{display:block;max-width:100%}figure,h1,h2,h3,h4,p{margin:0}button{border:0}button svg{flex:none}.icon{width:20px;height:20px;display:inline-block;flex:none;vertical-align:middle}.svg-defs{position:absolute;width:0;height:0;overflow:hidden}.section-width{width:min(var(--page-width),calc(100% - 96px));margin-inline:auto}.eyebrow{font-size:14px;font-weight:600;letter-spacing:.06em;line-height:1.5}.fine-print{font-size:12px;color:var(--secondary);line-height:1.8}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 25px;border-radius:999px;background:var(--action);color:var(--on-action);font-size:15px;font-weight:500;white-space:nowrap;transition:background .18s,opacity .18s,transform .18s}.button:hover{opacity:.85}.button:active{transform:scale(.98)}.button-small{min-height:34px;padding-inline:18px;font-size:12px}.button-secondary{background:var(--soft);color:var(--ink);border:1px solid var(--line)}.button-block{width:100%}.text-link{font-size:15px;display:inline-flex;gap:12px;align-items:center}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:650;letter-spacing:.1em}.brand img{border-radius:8px;flex:none}.skip-link{position:fixed;z-index:50;left:20px;top:-100px;padding:12px 20px;background:var(--surface);border-radius:8px}.skip-link:focus{top:15px}.site-header{height:var(--nav-height);position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding-inline:max(32px,calc((100% - var(--page-width))/2));background:var(--paper);border-bottom:1px solid var(--line)}.site-header nav{display:flex;gap:38px;font-size:12px;font-weight:500}.site-header nav a{padding:15px 0;color:var(--secondary)}.site-header nav a:hover{color:var(--ink)}
.hero-intro{text-align:center;padding:86px 0 38px}.hero-intro h1{font-size:clamp(52px,7.2vw,94px);line-height:1.1;letter-spacing:-.055em;font-weight:650;margin:24px 0}.lead{font-size:clamp(17px,1.9vw,23px);line-height:1.65;color:var(--secondary);font-weight:450}.hero-actions{display:flex;align-items:center;justify-content:center;gap:26px;margin:32px 0 18px}.mobile-break{display:none}
.mac-story{height:460svh;position:relative;isolation:isolate}.mac-sticky{position:sticky;top:var(--nav-height);height:calc(100svh - var(--nav-height));display:grid;grid-template-rows:auto minmax(0,1fr) auto;justify-items:center;padding:20px 0 24px;overflow:hidden}.chapter-heading{text-align:center;width:calc(100% - 40px)}.chapter-heading .eyebrow{color:var(--secondary);font-size:12px}.chapter-copy{position:relative;height:100px;margin-top:14px}.chapter-copy>div{position:absolute;inset:0;opacity:0;transform:translateY(12px)}.chapter-copy>div:first-child{opacity:1;transform:none}.chapter-copy h2{font-size:clamp(25px,3vw,40px);font-weight:600;letter-spacing:-.035em;line-height:1.25}.chapter-copy p{font-size:14px;line-height:1.7;color:var(--secondary);margin-top:11px}.mac-stage{width:min(1120px,calc((100svh - 360px)*1.5),100%);align-self:center;transform:translate3d(0,0,0)}.device{position:relative;container-type:inline-size;isolation:isolate;width:100%;pointer-events:none}.mac-device{aspect-ratio:4260/2840}.ipad-device{aspect-ratio:3000/2300}.iphone-device{aspect-ratio:1350/2760}.device-bezel{position:absolute;inset:0;width:100%;height:100%;z-index:3;object-fit:contain}.device-screen{position:absolute;overflow:hidden;z-index:1}.mac-screen{left:9.43662%;top:10.669014%;width:81.126761%;height:78.661972%;background:#85908b;color:var(--app-ink);font-size:1.04cqw}.mac-menubar{height:4.8%;padding:0 2%;display:flex;align-items:center;gap:2%;background:var(--app-side);font-size:.85cqw;color:var(--app-ink)}.menu-right{margin-left:auto}.native-window{position:absolute;left:1.6%;right:1.6%;top:7%;bottom:2%;border-radius:1.05cqw;background:var(--app);border:1px solid var(--app-line);box-shadow:0 .8cqw 2.5cqw #0003;overflow:hidden}.window-top{height:6.5%;display:flex;align-items:center;justify-content:space-between;padding:0 1.6%;font-size:.88cqw;border-bottom:1px solid var(--app-line)}.traffic{display:flex;gap:.45cqw}.traffic i{width:.75cqw;height:.75cqw;border-radius:50%;background:#ff5f57}.traffic i:nth-child(2){background:#febc2e}.traffic i:nth-child(3){background:#28c840}.window-body{height:93.5%;display:flex}.app-sidebar{width:18%;flex:none;background:var(--app-side);padding:1.4cqw 1cqw;display:flex;flex-direction:column;border-right:1px solid var(--app-line)}.app-brand{display:flex;align-items:center;gap:.65cqw;font-size:1.4cqw;font-weight:650}.app-brand img{width:2.2cqw;height:2.2cqw;border-radius:.4cqw}.app-brand span{letter-spacing:.12em}.new-project{background:var(--app-card);border:1px solid var(--app-line);border-radius:.55cqw;text-align:center;padding:.65cqw 0;margin:1.25cqw 0 1cqw;font-size:.85cqw;font-weight:550}.side-links{display:grid;gap:.1cqw}.side-links>span{display:flex;align-items:center;gap:.65cqw;padding:.6cqw;border-radius:.45cqw;font-size:.87cqw;color:var(--app-muted);white-space:nowrap}.side-links .icon{width:1.1cqw;height:1.1cqw}.side-links .current{background:var(--app-card);color:var(--app-ink);font-weight:600}.app-sidebar>small{font-size:.65cqw;color:var(--app-muted);margin:1.15cqw .5cqw .6cqw}.side-license{margin-top:auto;display:flex;gap:.5cqw;align-items:center;font-size:.75cqw}.side-license>.icon{width:1.4cqw;height:1.4cqw;color:var(--keep)}.side-license small{display:block;font-size:.55cqw;color:var(--app-muted);margin-top:.3cqw}.app-work{flex:1;min-width:0;position:relative}.work-pane{position:absolute;inset:0;padding:1.5cqw;opacity:0;overflow:hidden}.work-pane:first-child{opacity:1}.work-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.3cqw;gap:1cqw}.work-heading small{font-size:.65cqw;color:var(--app-muted)}.work-heading h3{font-size:1.65cqw;line-height:1.4;margin-top:.35cqw;letter-spacing:-.03em}.view-pill{font-size:.65cqw;border:1px solid var(--app-line);padding:.45cqw .65cqw;border-radius:.4cqw;white-space:nowrap}.work-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));grid-auto-rows:15.8cqw;gap:.6cqw}.photo-tile{position:relative;min-width:0;border-radius:.5cqw;overflow:hidden;background:var(--app-card)}.photo-tile img{width:100%;height:100%;object-fit:cover}.photo-tile.chosen{outline:2px solid var(--keep);outline-offset:-2px}.tile-check{position:absolute;right:.5cqw;top:.5cqw;display:grid;place-items:center;width:1.2cqw;height:1.2cqw;border-radius:50%;background:var(--keep);color:#fff;font-size:.85cqw}.tile-stars{position:absolute;bottom:.45cqw;left:.5cqw;letter-spacing:.04em;color:#fff;font-size:.68cqw;text-shadow:0 1px 4px #0008}.work-footer{display:flex;justify-content:space-between;font-size:.65cqw;color:var(--app-muted);padding-top:.7cqw}.group-label{display:flex;align-items:center;justify-content:space-between;font-size:.85cqw;padding:.55cqw 0}.group-label span{font-size:.65cqw;color:var(--app-muted)}.similar-group+.similar-group{margin-top:1.2cqw}.similar-photos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8cqw;height:12cqw}.compare-photos{height:29cqw;display:grid;grid-template-columns:1fr 1fr;gap:.85cqw}.compare-photos>div{position:relative;overflow:hidden;border-radius:.5cqw}.compare-photos img{width:100%;height:100%;object-fit:cover}.compare-photos span{position:absolute;left:.8cqw;bottom:.8cqw;border-radius:999px;background:#222b;color:#fff;padding:.45cqw .8cqw;font-size:.8cqw}.compare-photos .recommended{outline:2px solid var(--keep);outline-offset:-2px}.compare-photos .recommended span{background:var(--keep)}.review-reason{margin-top:1.2cqw;font-size:.8cqw;display:grid;gap:.45cqw}.review-reason span{color:var(--app-muted);font-size:.7cqw}.chapter-controls{display:flex;gap:4px;padding:5px;background:var(--soft);border:1px solid var(--line);border-radius:999px}.chapter-controls button{background:transparent;color:var(--secondary);padding:10px 16px;font-size:12px;border-radius:999px}.chapter-controls button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:0 2px 5px #00000009}.chapter-controls button span{margin-right:5px;font-size:10px;color:var(--secondary)}
.finishing{display:grid;grid-template-columns:1fr 1.15fr;align-items:center;gap:8%;padding-block:180px 170px;min-height:850px}.section-copy h2,.section-heading h2,.download-section h2{font-size:clamp(42px,5.7vw,76px);letter-spacing:-.045em;line-height:1.13;font-weight:600;margin:24px 0}.section-copy>p:not(.eyebrow),.section-heading>p:not(.eyebrow){font-size:18px;line-height:1.8;color:var(--secondary)}.word-links{display:flex;gap:24px;margin-top:32px;font-size:14px;font-weight:600}.word-links span+span{border-left:1px solid var(--line);padding-left:24px}.print-composition{position:relative;min-height:570px;isolation:isolate}.print{position:absolute;background:#fdfdfc;color:#303030;padding:16px 16px 0;box-shadow:0 22px 55px #0002;width:64%}.print img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover}.print figcaption{height:48px;display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:8px;letter-spacing:.06em}.print figcaption b{font-size:12px;letter-spacing:-.04em}.print-back{left:0;top:0;transform:rotate(-8deg);z-index:1}.print-front{right:0;top:110px;transform:rotate(7deg);z-index:2}.print-front figcaption span{font-size:7px}
.ipad-section{background:var(--soft);padding-block:110px}.section-heading{text-align:center}.section-heading>.availability{margin-top:26px}.availability{display:inline-block;color:var(--secondary);font-size:12px;line-height:1.7;border:1px solid var(--line);border-radius:999px;padding:7px 14px}.ipad-stage{max-width:1030px;margin-top:70px;padding:0 26px;transform-origin:center bottom}.ipad-screen{left:4.133333%;top:5.130435%;width:91.733333%;height:89.73913%;border-radius:1cqw;background:var(--app);color:var(--app-ink);font-size:1.4cqw}.ipad-status{height:5%;display:flex;justify-content:space-between;align-items:center;padding:0 3.2%;font-size:1cqw}.tablet-app{display:flex;height:95%}.tablet-app aside{width:20%;flex:none;padding:2cqw 1.5cqw;display:flex;flex-direction:column;gap:2cqw;background:var(--app-side)}.tablet-app aside>span,.tablet-app aside>b{display:flex;gap:.7cqw;align-items:center;font-size:1.15cqw}.tablet-app aside>small{margin-top:4cqw;color:var(--app-muted);font-size:1cqw}.tablet-app aside .icon{width:1.6cqw;height:1.6cqw}.tablet-app .current{background:var(--app-card);margin-left:-.6cqw;margin-right:-.6cqw;padding:1cqw .6cqw;border-radius:.7cqw}.tablet-work{flex:1;min-width:0;padding:2.5cqw 2cqw}.tablet-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:2.5cqw;font-weight:600}.tablet-toolbar span+span{font-size:1cqw;color:var(--app-muted);font-weight:400}.tablet-compare{display:grid;grid-template-columns:1fr 1fr;gap:1cqw;height:42cqw}.tablet-compare img{width:100%;height:100%;object-fit:cover;border-radius:.6cqw}.tablet-compare img+img{outline:2px solid var(--keep);outline-offset:-2px}.tablet-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:3cqw;font-size:1cqw}.tablet-bottom b{background:var(--blue);color:#fff;padding:1cqw 2cqw;border-radius:999px;font-weight:500}.home-indicator{position:absolute;width:30%;height:.55%;left:35%;bottom:1.2%;border-radius:999px;background:currentColor;opacity:.65;z-index:4}.ipad-notes{display:grid;grid-template-columns:1fr 1fr;gap:8%;max-width:920px;margin-top:50px}.ipad-notes h3{font-size:20px;line-height:1.5;letter-spacing:-.02em}.ipad-notes p{font-size:15px;line-height:1.8;color:var(--secondary);margin-top:14px}
.phone-section{padding-block:140px 30px}.phone-feature{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:12%;margin-top:110px}.phone-copy h3{font-size:clamp(27px,3.6vw,46px);line-height:1.3;font-weight:600;letter-spacing:-.035em;margin:22px 0}.phone-copy>p:not(.eyebrow){font-size:17px;line-height:1.85;color:var(--secondary);margin-top:18px}.phone-copy .availability{margin-top:26px}.phone-stage{width:min(100%,370px);justify-self:center}.device-caption{display:block;text-align:center;font-size:11px;line-height:1.7;color:var(--secondary);margin-top:20px}.scripts-feature .phone-copy{order:2}.scripts-feature .phone-stage{order:1}.phone-screen{left:5.111111%;top:2.5%;width:89.777778%;height:95%;border-radius:7cqw;background:#fff;color:#292929;font-size:3.5cqw}.phone-status{height:6.3%;display:flex;justify-content:space-between;align-items:flex-start;padding:3.7cqw 6cqw 0;font-size:3.2cqw;position:relative;z-index:2;background:#fff}.profile-page{background:#fff;transform:translate3d(0,0,0)}.profile-nav{padding:4cqw 6cqw;display:flex;align-items:center;justify-content:space-between}.profile-nav b{font-size:5cqw;letter-spacing:-.04em}.profile-nav span{font-size:2.7cqw}.profile-hero{height:96cqw;position:relative;overflow:hidden}.profile-hero img{height:100%;width:100%;object-fit:cover}.profile-hero:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,#0008)}.profile-hero>div{position:absolute;z-index:1;bottom:7cqw;left:6cqw;color:#fff}.profile-hero small{font-size:2.3cqw;letter-spacing:.12em}.profile-hero h3{font-size:6.6cqw;line-height:1.45;font-weight:550;margin-top:3cqw;letter-spacing:-.04em}.profile-bio{padding:7cqw 6cqw}.profile-bio small{font-size:2.7cqw;color:#888}.profile-bio h4{font-size:5cqw;margin:3cqw 0}.profile-bio p{font-size:3.2cqw;line-height:1.8;color:#777}.profile-pair{display:grid;grid-template-columns:1fr 1fr;gap:3cqw;padding-inline:6cqw}.profile-pair img{width:100%;height:55cqw;object-fit:cover}.scripts-screen{background:var(--app);color:var(--app-ink)}.scripts-screen .phone-status{background:var(--app)}.scripts-page{padding:6cqw 5cqw 8cqw}.scripts-brand{display:flex;gap:2cqw;align-items:center;font-size:4cqw;font-weight:650;margin-bottom:7cqw}.scripts-brand img{width:8cqw;height:8cqw;border-radius:2cqw}.scripts-page>small{font-size:3cqw;color:var(--app-muted)}.scripts-page h3{font-size:7cqw;line-height:1.35;letter-spacing:-.04em;margin-top:2cqw}.script-search{display:flex;gap:2cqw;align-items:center;background:var(--app-card);border-radius:2cqw;font-size:3.3cqw;color:var(--app-muted);padding:3cqw;margin-top:6cqw}.script-search .icon{width:4cqw;height:4cqw}.script-categories{display:flex;gap:2cqw;margin-top:5cqw;font-size:2.7cqw;white-space:nowrap}.script-categories>*{padding:2cqw 2.3cqw;border-radius:999px;font-weight:400}.script-categories b{background:var(--app-ink);color:var(--app)}.question-label{color:var(--app-muted);font-size:2.7cqw;margin-top:7cqw}.question{padding:3cqw 4cqw;border-radius:3cqw;background:var(--app-side);font-size:3.3cqw;line-height:1.6;margin:2cqw 0 4cqw}.response{border:1px solid var(--app-line);background:var(--app-card);padding:5cqw;border-radius:3cqw}.response small{font-size:2.4cqw;color:var(--app-muted)}.response h4{font-size:4.7cqw;line-height:1.4;margin:3cqw 0}.response p{font-size:3.3cqw;line-height:1.85;margin-top:3cqw;color:var(--app-muted)}.response>span{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--app-line);padding-top:4cqw;margin-top:5cqw;font-size:3cqw}.response .icon{width:4cqw;height:4cqw}.scripts-bottom{font-size:2.5cqw;text-align:center;color:var(--app-muted);margin-top:5cqw}
.privacy-band{display:grid;grid-template-columns:1fr 1fr;gap:10%;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:50px;margin-top:150px}.privacy-band>div{display:flex;align-items:center;gap:18px}.privacy-band h2{font-size:25px;font-weight:550;letter-spacing:-.03em}.privacy-band .icon{width:28px;height:28px}.privacy-band p{font-size:15px;color:var(--secondary);line-height:1.9}.download-section{text-align:center;padding-block:130px}.download-logo{margin:0 auto 28px;border-radius:20px}.download-section .button{margin-top:14px}.download-section .fine-print{margin-top:18px}footer{border-top:1px solid var(--line);display:flex;align-items:center;gap:24px;padding-block:28px;color:var(--secondary);font-size:11px}footer .brand{color:var(--ink);font-size:15px}footer .brand img{width:24px;height:24px}footer>span{margin-left:auto}
/* 自适应登录面板保留原服务接缝。 */
.login-dialog{width:min(440px,calc(100% - 32px));max-height:calc(100svh - 48px);overflow-y:auto;padding:36px;border:1px solid var(--line);border-radius:22px;background:var(--surface);color:var(--ink);box-shadow:0 24px 90px #0005}.login-dialog::backdrop{background:#0008}.dialog-close{position:absolute;right:16px;top:14px;background:var(--soft);color:var(--secondary);width:30px;height:30px;border-radius:50%;font-size:22px}.login-mark{border-radius:13px;margin-bottom:24px}.login-dialog h2{font-size:26px;letter-spacing:-.04em}.dialog-copy{font-size:14px;line-height:1.7;color:var(--secondary);margin-top:12px;margin-bottom:25px}.login-dialog label{display:block;font-size:12px;font-weight:550;margin:15px 0 8px}.login-dialog input{width:100%;min-width:0;min-height:44px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:9px;padding:10px 12px;font-size:15px}.field-row{display:flex;gap:8px}.field-row .button{font-size:12px;min-height:44px;padding:0 14px;border-radius:9px}.form-status{font-size:12px;line-height:1.6;color:var(--secondary);min-height:20px;margin:16px 0}.form-status.error{color:#d33}.signed-in>div{font-size:14px;margin-bottom:24px}.signed-in>p{font-size:12px;line-height:1.8;color:var(--secondary);margin-top:16px}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--keep);margin-right:10px}[hidden]{display:none!important}
/* 动效只有进入视口时运行；没有 JS 时所有内容仍然可见。 */
.motion-ready [data-reveal]{opacity:0;transform:translate3d(0,30px,0);transition:opacity .8s cubic-bezier(.2,.65,.3,1),transform .8s cubic-bezier(.2,.65,.3,1)}.motion-ready [data-reveal].is-visible{opacity:1;transform:translate3d(0,0,0)}
@media(min-width:1600px){.hero-intro{padding-top:110px}.mac-stage{max-width:1280px}}
@media(max-width:1000px){.section-width{width:calc(100% - 64px)}.finishing{gap:4%;padding-block:110px;min-height:700px}.print-composition{min-height:460px}.print{padding:10px 10px 0;width:70%}.print-front{top:105px}.print figcaption{height:38px;font-size:6px}.print figcaption b{font-size:9px}.print-front figcaption span{font-size:5px}.phone-feature{gap:6%}.phone-stage{max-width:330px}.phone-copy>p:not(.eyebrow){font-size:15px}.phone-copy h3{font-size:32px}.privacy-band{gap:5%}.privacy-band h2{font-size:22px}}
@media(max-width:700px){:root{--nav-height:58px}.section-width{width:calc(100% - 40px)}.site-header{padding-inline:20px}.site-header .brand{font-size:16px;gap:7px}.site-header .brand img{width:26px;height:26px}.site-header nav{gap:18px;font-size:11px}.site-header .button-small{padding-inline:12px;font-size:11px;min-height:31px}.hero-intro{padding:64px 0 30px}.mobile-break{display:block}.hero-intro h1{font-size:54px;line-height:1.17;letter-spacing:-.05em;margin-block:21px}.hero-intro .eyebrow{font-size:12px}.lead{font-size:17px}.hero-actions{gap:20px;flex-direction:column;margin-top:27px}.button{font-size:14px;min-height:46px}.hero-intro .fine-print{font-size:10px;margin-top:22px}.mac-story{height:auto;padding:30px 0 0}.mac-sticky{position:relative;top:auto;height:auto;padding:10px 0 24px;overflow:visible;gap:8px}.chapter-copy{height:98px}.chapter-copy h2{font-size:25px}.chapter-copy p{font-size:12px;max-width:320px;margin:10px auto 0}.mac-stage{width:100%;margin-top:-12px}.chapter-controls{margin-top:6px}.chapter-controls button{font-size:11px;padding:9px 12px}.chapter-controls button span{display:none}.finishing{display:flex;flex-direction:column;align-items:stretch;padding-block:100px 80px;gap:46px;min-height:0}.section-copy h2,.section-heading h2,.download-section h2{font-size:46px;line-height:1.16;margin-block:20px}.section-copy>p:not(.eyebrow),.section-heading>p:not(.eyebrow){font-size:16px}.eyebrow{font-size:12px}.print-composition{min-height:500px;width:min(100%,430px);align-self:center}.print{width:64%;padding:11px 11px 0}.print-front{top:100px}.ipad-section{padding-block:76px}.ipad-stage{width:calc(100% - 24px);margin-top:42px;padding:0}.ipad-notes{grid-template-columns:1fr;gap:30px;margin-top:40px}.ipad-notes h3{font-size:19px}.ipad-notes p{font-size:14px;margin-top:9px}.phone-section{padding-block:90px 0}.phone-feature{display:flex;flex-direction:column;gap:42px;margin-top:70px;align-items:stretch}.phone-copy h3{font-size:32px}.phone-copy>p:not(.eyebrow){font-size:15px}.phone-stage{align-self:center;width:min(86%,350px);max-width:none}.scripts-feature{margin-top:95px}.scripts-feature .phone-copy{order:0}.scripts-feature .phone-stage{order:0}.privacy-band{grid-template-columns:1fr;gap:20px;margin-top:90px;padding-block:35px}.privacy-band h2{font-size:22px}.privacy-band p{font-size:13px}.download-section{padding-block:90px}.download-logo{width:64px;height:64px;border-radius:16px}.download-section h2{font-size:43px}.download-section .fine-print{font-size:11px}footer{gap:15px;flex-wrap:wrap;font-size:10px}footer>p{display:none}.login-dialog{padding:28px}.login-dialog h2{font-size:24px}}
@media(max-width:390px){.site-header nav{gap:12px}.site-header{padding-inline:14px}.site-header .brand{gap:6px}.site-header .brand img{width:24px;height:24px}.hero-intro h1{font-size:48px}.print-composition{min-height:440px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.mac-story{height:auto;padding:30px 0}.mac-sticky{position:relative;top:auto;height:auto;gap:10px}.mac-stage{width:min(1120px,100%)}.motion-ready [data-reveal]{opacity:1;transform:none}.profile-page{transform:none!important}}
/* 完整工作流：选片居首，后续能力各有独立呈现。 */
.delivery-section{padding-bottom:110px}.feature-panel,.layout-preview{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center;border-top:1px solid var(--line);padding:90px 0}.feature-panel-copy h3{font-size:clamp(32px,4vw,54px);line-height:1.2;letter-spacing:-.04em;font-weight:600;margin:20px 0}.feature-panel-copy>p:not(.eyebrow){font-size:16px;color:var(--secondary);line-height:1.85}.feature-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.feature-tags span{font-size:11px;border:1px solid var(--line);border-radius:999px;padding:6px 10px}.watermark-demo{width:75%;justify-self:center}.watermark-sheet{background:#fff;color:#252525;padding:18px 18px 0;box-shadow:0 18px 40px #0002;transform:rotate(-4deg)}.watermark-sheet img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover}.watermark-sheet figcaption{height:54px;display:flex;flex-direction:column;justify-content:center;gap:4px;font-size:7px;letter-spacing:.07em}.watermark-sheet figcaption b{font-size:12px}.watermark-swatch{display:flex;justify-content:center;gap:25px;margin-top:28px;font-size:11px;color:var(--secondary)}.compression-demo{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px}.compression-demo>img{width:100%;height:240px;object-fit:cover;border-radius:7px}.compression-meter{display:grid;grid-template-columns:85px 1fr;gap:15px 14px;margin-top:22px;font-size:11px;align-items:center}.size-track{height:9px;border-radius:9px;background:var(--soft);overflow:hidden}.size-track i{display:block;width:100%;height:100%;background:var(--secondary);border-radius:inherit}.size-track.smaller i{background:var(--keep);transform:scaleX(.15);transform-origin:left}.compression-meter small{grid-column:1/-1;color:var(--secondary);font-size:10px}.layout-preview .availability{margin-top:25px}.layout-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:20px;background:#fff;color:#333;box-shadow:0 12px 35px #0001;transform:rotate(3deg)}.layout-grid img{width:100%;height:150px;object-fit:cover}.layout-grid img:first-child{grid-row:span 2;height:310px}.layout-grid>span{grid-column:1/-1;font-size:9px;line-height:1.9;letter-spacing:.12em;padding-top:10px}
.ipad-story{height:420svh;margin-top:50px}.ipad-sticky{position:sticky;top:var(--nav-height);height:calc(100svh - var(--nav-height));display:grid;grid-template-rows:auto minmax(0,1fr) auto;justify-items:center;padding:16px 0 22px;overflow:hidden}.ipad-chapter-label{font-size:14px;color:var(--secondary);text-align:center;padding:0 20px}.ipad-sticky .ipad-stage{width:min(1030px,calc((100svh - 280px)*1.3043478),calc(100% - 32px));margin:0;padding:0;align-self:center}.tablet-app>.app-sidebar{width:18%;gap:0;padding:2cqw 1.4cqw}.tablet-app>.app-sidebar>small{margin:1.5cqw .5cqw .8cqw;font-size:.8cqw}.tablet-app .side-links>span{font-size:1.05cqw;padding:.8cqw .5cqw}.tablet-app .side-links .icon{width:1.3cqw;height:1.3cqw}.tablet-app .work-pane{padding:2.2cqw}.tablet-app .work-heading{margin-bottom:1.7cqw}.tablet-app .work-heading h3{font-size:2cqw}.tablet-app .work-heading small,.tablet-app .view-pill{font-size:.8cqw}.tablet-app .work-grid{grid-auto-rows:22cqw;gap:.8cqw}.tablet-app .similar-photos{height:19cqw}.tablet-app .compare-photos{height:45cqw}.tablet-app .review-reason{font-size:1.05cqw}.tablet-app .review-reason span{font-size:.9cqw}.tablet-app .work-footer{font-size:.85cqw}.tablet-app .app-brand{font-size:1.65cqw}.tablet-app .app-brand img{width:2.8cqw;height:2.8cqw}.tablet-app .new-project{font-size:1cqw}.tablet-app .side-license{font-size:.9cqw}.tablet-app .side-license small{font-size:.7cqw}
@media(max-width:700px){.delivery-section{padding-bottom:30px}.feature-panel,.layout-preview{grid-template-columns:1fr;gap:38px;padding-block:55px}.feature-panel-copy h3{font-size:36px}.feature-panel-copy>p:not(.eyebrow){font-size:15px}.watermark-demo{width:min(76%,300px)}.compression-demo{width:100%;max-width:430px;justify-self:center}.layout-grid{width:100%;max-width:430px;justify-self:center}.ipad-story{height:auto;margin-top:35px}.ipad-sticky{position:relative;top:auto;height:auto;gap:20px;padding-block:16px}.ipad-sticky .ipad-stage{width:calc(100% - 24px)}.ipad-chapter-label{font-size:12px}.ipad-notes{margin-top:28px}}
@media(prefers-reduced-motion:reduce){.ipad-story{height:auto}.ipad-sticky{position:relative;top:auto;height:auto;gap:20px}.ipad-sticky .ipad-stage{width:min(1030px,calc(100% - 32px))}[data-drift],.watermark-sheet,.layout-grid{transform:none!important}}

/* 章节之间留出明确的停留区，设备与控制条保持独立间距。 */
.mac-sticky,.ipad-sticky{row-gap:32px}.mac-sticky .chapter-controls,.ipad-sticky .chapter-controls{margin-top:0}
.conversation-page{padding:5cqw 5cqw 4cqw}.conversation-page .scripts-brand{margin-bottom:5cqw}.conversation-page h3{font-size:6.6cqw;margin:2.5cqw 0 5cqw}.chat-message{font-size:3.25cqw;line-height:1.8;border-radius:4cqw;padding:3.8cqw 4.2cqw;margin-top:4cqw}.chat-person{display:block;font-size:2.5cqw;color:var(--app-muted);margin-bottom:1.4cqw}.client-message{background:var(--app-side);margin-left:8cqw;border-top-right-radius:1cqw}.photographer-message{background:var(--app-card);border:1px solid var(--app-line);margin-right:3cqw;border-top-left-radius:1cqw}.chat-message p+p{margin-top:3cqw}.conversation-save{font-size:2.5cqw;color:var(--app-muted);display:flex;align-items:center;justify-content:center;gap:1.5cqw;margin-top:5cqw}.conversation-save .icon{width:3cqw;height:3cqw}
@media(max-width:700px){.mac-sticky,.ipad-sticky{row-gap:24px}.mac-stage{margin-top:0}}
/* 人像卡片采用摄影比例，向上保留头部；图片铺满而不拉伸。 */
.photo-tile img,.compare-photos img,.print img,.watermark-sheet img,.compression-demo>img,.profile-hero img,.profile-pair img,.layout-grid img{object-fit:cover;object-position:50% 0%}
.work-grid,.tablet-app .work-grid{grid-auto-rows:auto;align-items:start}
.photo-tile{aspect-ratio:2/3}
.tile-stars{background:#222b;border-radius:.2cqw;padding:.12cqw .25cqw}
.pane-groups .work-heading{margin-bottom:.7cqw}
.similar-group+.similar-group{margin-top:.7cqw}
.similar-photos,.tablet-app .similar-photos{height:auto;gap:.8cqw}
.similar-photos .photo-tile{aspect-ratio:4/3}
.compare-photos,.tablet-app .compare-photos{height:auto;grid-template-columns:repeat(2,minmax(0,1fr));width:78%;margin-inline:auto}
.compare-photos>div{aspect-ratio:3/4}
.print-composition{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));align-items:start;padding:24px 14px 35px;min-height:0}
.print-composition .print{position:relative;width:100%;top:auto;left:auto;right:auto;grid-row:1;padding:10px 10px 0}
.print-back{grid-column:1/9;transform:rotate(-8deg)}
.print-front{grid-column:5/-1;margin-top:110px;transform:rotate(7deg)}
.print img,.watermark-sheet img{height:auto;aspect-ratio:2/3}
.layout-grid{align-items:start}
.layout-grid img,.layout-grid img:first-child{height:auto;aspect-ratio:3/4;grid-row:auto}
.layout-grid img:first-child{grid-column:1/-1;aspect-ratio:4/3}
.compression-demo>img{height:auto;aspect-ratio:3/4}.compression-demo{width:100%;max-width:400px;justify-self:center}
.profile-hero{height:auto;aspect-ratio:3/4}
.profile-hero img{aspect-ratio:3/4}
.profile-pair img{height:auto;aspect-ratio:2/3}
/* 完整成片平齐展示，与下载信息共用一张简洁卡片。 */
.download-section{padding-block:100px}.download-card{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:clamp(32px,5vw,64px);padding:48px;border:1px solid var(--line);border-radius:24px;background:var(--surface);text-align:left}.download-art{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:16px;min-width:0}.download-print{margin:0;border:1px solid #0000000a;box-shadow:0 5px 16px #0000000c}.download-print img{width:100%;height:auto;display:block}.download-copy{min-width:0;padding:8px 0}.download-brand{display:flex;align-items:center;gap:12px}.download-copy .download-logo{margin:0;width:40px;height:40px;border-radius:10px}.download-brand .eyebrow{margin:0;font-size:13px;letter-spacing:.08em}.download-copy h2{font-size:clamp(30px,3.3vw,44px);line-height:1.25;letter-spacing:-.04em;margin:28px 0}.download-copy .button{margin-top:0;font-size:15px;padding:14px 24px}.download-copy .fine-print{font-size:11px;line-height:1.8;margin-top:17px}
footer{flex-wrap:wrap}footer>span{line-height:1.8}
@media(max-width:1000px){.download-card{padding:32px;gap:32px}.download-art{gap:12px}.download-copy h2{font-size:32px}}
@media(max-width:700px){.download-section{padding-block:65px}.download-card{grid-template-columns:1fr;gap:30px;padding:26px;border-radius:20px}.download-art{gap:14px}.download-copy{padding:0}.download-copy h2{font-size:34px;margin:22px 0}.download-copy .download-logo{width:36px;height:36px;border-radius:9px}footer>span{width:100%;margin-left:0}}
/* 手机按纵向阅读布局，装饰图形不扩大页面的横向滚动区域。 */
main{overflow-x:clip}
.feature-panel>*,.layout-preview>*,.phone-feature>*,.ipad-notes>*,.privacy-band>*,.download-card>*{min-width:0}
@media(max-width:700px){
  :root{--nav-height:104px}
  html{scroll-padding-top:120px}
  .site-header{height:var(--nav-height);display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:56px 48px;column-gap:12px;padding-inline:20px}
  .site-header .brand{justify-self:start}
  .site-header nav{grid-column:1/-1;grid-row:2;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;width:100%;font-size:12px}
  .site-header nav a{text-align:center;padding:14px 0;min-height:44px}
  .site-header .button-small{grid-column:2;grid-row:1;min-height:44px;font-size:12px;padding-inline:16px}
  .hero-intro h1{font-size:clamp(38px,12vw,54px)}
  .section-copy h2,.section-heading h2{font-size:clamp(32px,10vw,46px)}
  .feature-panel-copy h3,.phone-copy h3{font-size:clamp(28px,8.5vw,36px)}
  .lead,.section-copy,.section-heading,.feature-panel-copy,.phone-copy,.download-copy,.privacy-band,footer{overflow-wrap:anywhere}
  .chapter-copy{height:112px}
  .chapter-copy h2{font-size:clamp(21px,6vw,25px)}
  .chapter-controls{width:min(360px,calc(100% - 40px));display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px}
  .chapter-controls button{min-width:0;min-height:44px;padding:8px 4px;font-size:12px}


  .feature-panel,.layout-preview,.ipad-notes,.privacy-band,.download-card{grid-template-columns:minmax(0,1fr)}
  .layout-grid{transform:none;grid-template-columns:repeat(2,minmax(0,1fr));padding:14px;gap:8px}
  .download-art{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .download-copy h2{font-size:clamp(26px,8vw,34px)}
  .download-copy .button{width:100%;white-space:normal;padding-inline:16px}
  .compression-demo{padding:16px}
  .compression-meter{grid-template-columns:85px minmax(0,1fr);column-gap:10px}
  .privacy-band>div{align-items:flex-start}
  .login-dialog{padding:24px;max-height:calc(100dvh - 32px);overflow-wrap:anywhere}
  .login-dialog input{font-size:16px}
  .field-row{flex-direction:column}
  .field-row .button{width:100%;min-height:44px}
  .dialog-close{width:44px;height:44px;right:10px;top:10px}
  footer a{display:inline-flex;align-items:center;min-height:44px}
}

/* 桌面端以错落的成片组合收尾，手机保留平齐布局。 */
@media(min-width:701px){
.download-card{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(30px,4vw,58px);padding:50px 42px;border:0;border-radius:10px;background:linear-gradient(115deg,var(--soft),var(--paper) 72%)}
.download-art{display:grid;grid-template-columns:1.15fr .85fr;gap:14px;align-items:start;padding:12px 0 30px}
.download-print{box-shadow:0 12px 28px #00000012;border:0}
.download-print-2{margin-top:30%;transform:rotate(2deg)}
.download-copy{padding:0 0 20px}
.download-copy h2{font-size:clamp(30px,3.5vw,46px);margin:24px 0 28px}
}
.conversation-page{padding-top:4cqw}
.conversation-page .scripts-brand{margin-bottom:4cqw}
.conversation-page h3{font-size:5.8cqw;margin:2cqw 0 3cqw}
.conversation-topics{display:flex;gap:2cqw;align-items:center;font-size:2.5cqw;color:var(--app-muted);margin-bottom:4cqw}
.conversation-topics>*{padding:1.5cqw 2cqw;border-radius:999px;white-space:nowrap}
.conversation-topics b{background:var(--app-ink);color:var(--app);font-weight:500}
.conversation-page .chat-message{margin-top:3cqw;padding:3cqw 4cqw}
.conversation-page .conversation-save{margin-top:3cqw;font-size:2.4cqw}
.conversation-more{margin-top:5cqw}
.conversation-more>small{font-size:2.6cqw;color:var(--app-muted)}
.conversation-more article{margin-top:2.5cqw;padding:3cqw 3.5cqw;border:1px solid var(--app-line);border-radius:3cqw;background:var(--app-card)}
.conversation-more h4{font-size:3.2cqw;font-weight:600;line-height:1.5}
.conversation-more p{font-size:2.9cqw;line-height:1.7;color:var(--app-muted);margin-top:1.5cqw}
.conversation-more article>span{display:block;margin-top:2cqw;font-size:2.5cqw;color:var(--blue)}

/* 首屏按功能与收益介绍产品，设备展示留在各功能正文中。 */
.hero-intro{padding-top:56px;padding-bottom:26px}
.hero-intro h1{font-size:clamp(44px,6.2vw,76px)}
.hero-actions{margin-top:24px}
.feature-overview{padding-bottom:44px;scroll-margin-top:24px}
.feature-overview-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}
.feature-overview-heading h2{font-size:20px;line-height:1.5;font-weight:600;letter-spacing:-.02em}
.feature-overview-heading>span,.feature-preview-links>span{font-size:11px;color:var(--secondary)}
.feature-overview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.feature-overview-card{padding:20px 22px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.feature-overview-card:hover{border-color:var(--secondary)}
.feature-number{font-size:10px;color:var(--secondary);letter-spacing:.1em}
.feature-overview-card h3{font-size:20px;line-height:1.4;font-weight:600;margin:8px 0}
.feature-overview-card p{font-size:13px;line-height:1.7;color:var(--secondary)}
.feature-detail{display:block;margin-top:14px;font-size:11px;line-height:1.6}
.rating-compatibility{display:flex;gap:16px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--line);font-size:12px;line-height:1.8}
.rating-compatibility b{flex:none;font-weight:600}.rating-compatibility p{color:var(--secondary)}
.feature-preview-links{display:grid;grid-template-columns:auto repeat(3,minmax(0,1fr));gap:18px;align-items:center;padding-top:18px}
.feature-preview-links a{display:grid;gap:5px;padding-block:5px}
.feature-preview-links b{font-size:12px;font-weight:550}.feature-preview-links a>span{font-size:11px;line-height:1.6;color:var(--secondary)}
@media(max-width:700px){
.site-header nav{grid-template-columns:repeat(4,minmax(0,1fr));font-size:12px}
.hero-intro{padding-top:38px}.hero-intro h1{font-size:clamp(38px,11vw,54px)}
.feature-overview-heading{align-items:baseline;flex-wrap:wrap;gap:4px}.feature-overview-heading h2{font-size:18px}
.feature-overview-grid{grid-template-columns:minmax(0,1fr);gap:10px}
.feature-overview-card{position:relative;padding:16px 18px}.feature-number{position:absolute;right:18px;top:22px}
.feature-overview-card h3{font-size:18px;margin:0 0 5px}.feature-detail{margin-top:8px}
.rating-compatibility{display:block}.rating-compatibility p{margin-top:4px}
.feature-preview-links{grid-template-columns:minmax(0,1fr);gap:8px}.feature-preview-links a{padding-block:8px}
}