:root{color-scheme:light;--brand-ink: #202322;--text-primary: #202322;--text-secondary: #6b6f6d;--bg-main: #f5f1e9;--surface: #fffefb;--border: #dedad1;--action-red: #c83232;--action-red-hover: #a92525;--accent-gold: #a77a3b;--color-bg: var(--bg-main);--color-bg-soft: #efebe2;--color-surface: var(--surface);--color-surface-strong: #ffffff;--color-ink: var(--text-primary);--color-ink-soft: #474b49;--color-muted: var(--text-secondary);--color-line: var(--border);--color-line-strong: #c9c4ba;--color-accent: var(--action-red);--color-accent-hover: var(--action-red-hover);--color-accent-soft: #f3dfdc;--color-accent-pale: #fbefed;--color-deep: var(--brand-ink);--color-deep-soft: #303432;--color-profit: #b33b3b;--color-loss: #2e6fa3;--color-warning: var(--accent-gold);--color-warning-soft: #fff5df;--font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;--font-display: "Microsoft YaHei", "PingFang SC", sans-serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-md: 1.125rem;--text-lg: 1.375rem;--text-xl: clamp(1.75rem, 3vw, 2.5rem);--text-hero: clamp(2.55rem, 6vw, 5.35rem);--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-7: 3rem;--space-8: 4rem;--space-9: 5.5rem;--space-10: 7.5rem;--radius-sm: .625rem;--radius-md: .875rem;--radius-lg: 1.25rem;--radius-xl: 1.75rem;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(32, 35, 34, .04), 0 8px 20px rgba(32, 35, 34, .04);--shadow-md: 0 22px 56px rgba(32, 35, 34, .11), 0 4px 14px rgba(32, 35, 34, .05);--shadow-deep: 0 32px 80px rgba(10, 12, 11, .3);--container: 76rem;--container-narrow: 49rem;--control-height: 3.25rem;--transition: .22s ease}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--color-bg);color:var(--color-ink);font-family:var(--font-sans);font-size:var(--text-base);line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}img{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:var(--font-display);line-height:1.14;letter-spacing:-.035em}.container{width:min(calc(100% - 3rem),var(--container));margin-inline:auto}.section{padding-block:var(--space-10)}.eyebrow{margin-bottom:var(--space-5);color:var(--color-accent);font-size:var(--text-xs);font-weight:800;letter-spacing:.16em;text-transform:uppercase}.eyebrow--light{color:#ef8686}.button{min-height:var(--control-height);display:inline-flex;align-items:center;justify-content:center;gap:var(--space-4);padding:0 1.35rem;border:1px solid var(--color-accent);border-radius:var(--radius-sm);background:var(--color-accent);color:#fff;font-weight:750;text-decoration:none;cursor:pointer;transition:transform var(--transition),background var(--transition),box-shadow var(--transition)}.button:hover{background:var(--color-accent-hover);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(170,120,36,.34);outline-offset:3px}.button:disabled{cursor:not-allowed;opacity:.54;transform:none;box-shadow:none}.button--small{min-height:2.45rem;padding-inline:1rem;font-size:var(--text-sm)}.button--light{border-color:#f7f3e9;background:#f7f3e9;color:var(--color-deep)}.button--light:hover{background:#fff}.button--muted{border-color:var(--color-line);background:var(--color-bg-soft);color:var(--color-muted)}.button--outline{border-color:var(--color-line-strong);background:transparent;color:var(--color-ink)}.site-header{position:relative;z-index:20;border-bottom:1px solid rgba(202,199,189,.72);background:#f5f1e9eb;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.header-inner{min-height:5rem;display:flex;align-items:center;justify-content:space-between;gap:var(--space-5)}.brand{display:inline-flex;align-items:center;gap:.7rem;color:var(--color-ink);font-weight:850;letter-spacing:.08em;text-decoration:none}.brand small{display:block;color:var(--color-muted);font-size:.64rem;font-weight:650;letter-spacing:.08em}.brand-mark{width:2rem;height:2rem;display:grid;grid-template-columns:repeat(3,1fr);align-items:end;gap:3px;padding:6px;border-radius:50%;background:var(--brand-ink)}.brand-mark i{display:block;border-radius:2px 2px 1px 1px;background:#f5f0df}.brand-mark i:nth-child(1){height:42%}.brand-mark i:nth-child(2){height:76%;background:var(--action-red)}.brand-mark i:nth-child(3){height:58%}.main-nav{display:flex;align-items:center;gap:clamp(.8rem,2.2vw,1.9rem)}.nav-button{border:0;background:none;color:var(--color-ink-soft);font:inherit;font-size:var(--text-sm);cursor:pointer;padding:0}.main-nav>a:not(.button){color:var(--color-ink-soft);font-size:var(--text-sm);text-decoration:none}.main-nav>a:not(.button):hover{color:var(--color-accent)}.mobile-header-cta{display:none;color:var(--color-accent);font-size:var(--text-sm);font-weight:750;text-decoration:none}.home-hero{padding:5.8rem 0 0;overflow:hidden;background:linear-gradient(180deg,#f6f3ec 0%,var(--color-bg) 72%)}.hero-copy{max-width:66rem;text-align:center}.hero-copy .eyebrow{margin-bottom:1.2rem}.hero-copy h1{max-width:62rem;margin:0 auto 1.6rem;font-size:var(--text-hero);font-weight:760}.hero-lead{max-width:42rem;margin:0 auto 1.8rem;color:var(--color-ink-soft);font-size:var(--text-md)}.hero-actions{display:flex;justify-content:center;align-items:center;gap:var(--space-6)}.text-link{color:var(--color-accent);font-weight:750;text-decoration:none}.compliance-line{margin:1.1rem 0 0;color:var(--color-muted);font-size:var(--text-sm)}.hero-product{position:relative;margin-top:4.8rem;padding:0 5rem 5.5rem}.product-glow{position:absolute;inset:8% 13% 0;border-radius:50%;background:radial-gradient(circle,rgba(200,50,50,.13),rgba(167,122,59,.05) 46%,transparent 72%);filter:blur(32px)}.report-frame{position:relative;z-index:1;margin:0;overflow:hidden;border:1px solid rgba(32,35,34,.18);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-md)}.frame-bar{height:3rem;display:grid;grid-template-columns:auto auto auto 1fr auto;align-items:center;gap:.42rem;padding:0 1rem;border-bottom:1px solid var(--color-line);background:#faf9f5;color:var(--color-muted);font-size:.68rem}.frame-bar span{width:.48rem;height:.48rem;border-radius:50%;background:#c9c7be}.frame-bar span:nth-child(2){background:#d99089}.frame-bar span:nth-child(3){background:#cbb78f}.frame-bar b{margin-left:.6rem;color:var(--color-ink-soft);font-size:.72rem}.frame-bar em{font-style:normal;letter-spacing:.05em}.report-frame img{width:100%;aspect-ratio:16 / 8.7;object-fit:cover;object-position:top}.result-note{position:absolute;z-index:2;min-width:12rem;padding:1rem 1.1rem;border:1px solid rgba(255,255,255,.72);border-radius:var(--radius-md);background:#fffefbeb;box-shadow:var(--shadow-md);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.result-note small,.result-note span{display:block;color:var(--color-muted);font-size:.7rem}.result-note strong{display:block;margin:.25rem 0 .1rem;font-size:1.45rem}.result-note--left{left:1.7rem;bottom:11.5rem}.result-note--right{right:1.3rem;top:8.5rem}.result-note--right strong{color:var(--color-profit)}.demo-disclaimer{position:relative;z-index:2;max-width:54rem;margin:1rem auto 0;color:var(--color-muted);font-size:.72rem;line-height:1.6;text-align:center}.section-heading{max-width:42rem}.section-heading h2{margin-bottom:1.2rem;font-size:var(--text-xl)}.section-heading>p:last-child:not(.eyebrow){color:var(--color-muted);font-size:var(--text-md)}.capabilities .section-heading{margin-bottom:var(--space-7)}.capability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4)}.capability-card{min-height:22rem;display:flex;flex-direction:column;padding:2rem;border:1px solid var(--color-line);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-sm)}.capability-card:nth-child(2){background:#f3e6e2}.capability-card:nth-child(3){background:#eee9dc}.card-number{color:var(--color-accent);font-size:var(--text-sm);font-weight:800}.capability-card h3{margin:auto 0 1rem;font-size:1.55rem}.capability-card p{color:var(--color-ink-soft)}.capability-card small{padding-top:1.2rem;border-top:1px solid rgba(69,83,78,.14);color:var(--color-muted)}.product-story{padding-top:var(--space-8)}.story-row{display:grid;grid-template-columns:.76fr 1.54fr;gap:clamp(2rem,6vw,6rem);align-items:center;padding-block:var(--space-9)}.story-row--reverse{grid-template-columns:1.54fr .76fr}.story-row--reverse .story-copy{order:2}.story-index{display:block;margin-bottom:var(--space-5);color:var(--color-accent);font-size:var(--text-xs);font-weight:800;letter-spacing:.13em}.story-copy h2{font-size:var(--text-xl)}.story-copy>p{color:var(--color-muted)}.quiet-list{padding:0;margin:var(--space-5) 0 0;list-style:none}.quiet-list li{padding:.65rem 0;border-top:1px solid var(--color-line);color:var(--color-ink-soft);font-weight:650}.story-frame img{aspect-ratio:16 / 10}.dark-proof{position:relative;padding-block:var(--space-10);overflow:hidden;background:var(--color-deep);color:#f6f4ed}.dark-proof:before{content:"";position:absolute;inset:0;opacity:.24;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:42px 42px;-webkit-mask-image:linear-gradient(to right,black,transparent 72%);mask-image:linear-gradient(to right,black,transparent 72%)}.dark-proof-inner{position:relative;display:grid;grid-template-columns:1.25fr .85fr;gap:clamp(2.5rem,6vw,6rem);align-items:center}.proof-visual .report-frame{border-color:#ffffff29;box-shadow:var(--shadow-deep);transform:rotate(-1.2deg)}.proof-visual .report-frame img{aspect-ratio:16 / 11}.proof-copy h2{margin-bottom:2.5rem;font-size:var(--text-xl)}.principle{display:grid;grid-template-columns:2.3rem 1fr;gap:1rem;padding:1.25rem 0;border-top:1px solid rgba(255,255,255,.15)}.principle>span{color:#ef8686;font-size:var(--text-sm);font-weight:800}.principle h3{margin-bottom:.5rem;font-size:1.05rem;letter-spacing:-.01em}.principle p{margin:0;color:#bdcbc7;font-size:var(--text-sm)}.privacy-layout>.section-heading{margin-bottom:var(--space-7)}.privacy-board{display:grid;grid-template-columns:1.15fr .85fr;overflow:hidden;border:1px solid var(--color-line);border-radius:var(--radius-xl);background:var(--color-surface)}.privacy-main{padding:clamp(2rem,5vw,4.5rem);background:linear-gradient(150deg,#fdfcf8,#f2ebe6)}.privacy-label{display:inline-flex;padding:.28rem .65rem;border-radius:var(--radius-pill);background:var(--color-accent-soft);color:var(--color-accent);font-size:.68rem;font-weight:800}.privacy-main h3{max-width:32rem;margin:2rem 0 1rem;font-size:clamp(1.7rem,3vw,2.6rem)}.privacy-main p{max-width:34rem;color:var(--color-muted)}.privacy-points{display:grid;grid-template-columns:1fr 1fr}.privacy-points div{display:flex;flex-direction:column;justify-content:flex-end;min-height:11rem;padding:1.5rem;border-left:1px solid var(--color-line);border-bottom:1px solid var(--color-line)}.privacy-points b{margin-bottom:.35rem}.privacy-points span{color:var(--color-muted);font-size:var(--text-sm)}.how-section{background:var(--color-bg-soft)}.how-section .section-heading{margin-bottom:var(--space-7)}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:0;margin:0;list-style:none;counter-reset:step}.process-grid li{position:relative;padding:1.6rem 1.6rem 0 0;border-top:1px solid var(--color-line-strong)}.process-grid li:after{content:"";position:absolute;top:-4px;right:0;width:7px;height:7px;border-radius:50%;background:var(--color-accent)}.process-grid span{color:var(--color-accent);font-size:var(--text-sm);font-weight:800}.process-grid h3{margin:2rem 0 .7rem;font-size:1.25rem}.process-grid p{max-width:12rem;color:var(--color-muted);font-size:var(--text-sm)}.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:clamp(3rem,8vw,8rem)}.faq-list details{border-top:1px solid var(--color-line-strong)}.faq-list details:last-child{border-bottom:1px solid var(--color-line-strong)}.faq-list summary{display:flex;justify-content:space-between;align-items:center;padding:1.35rem 0;cursor:pointer;font-weight:750;list-style:none}.faq-list summary:after{content:"+";color:var(--color-accent);font-size:1.35rem;font-weight:400}.faq-list details[open] summary:after{content:"–"}.faq-list p{padding-right:3rem;color:var(--color-muted);font-size:var(--text-sm)}.final-cta{padding:2rem 0 var(--space-8)}.final-cta-inner{padding:clamp(2.5rem,7vw,5rem);border-radius:var(--radius-xl);background:linear-gradient(135deg,var(--brand-ink),#3b302e);color:#fff}.final-cta h2{max-width:47rem;margin-bottom:2.2rem;font-size:clamp(2rem,5vw,4rem)}.site-footer{padding:2.5rem 0;border-top:1px solid var(--color-line)}.footer-inner{display:grid;grid-template-columns:auto 1fr auto;gap:var(--space-6);align-items:center}.footer-inner>p{margin:0;color:var(--color-muted);text-align:center;font-size:var(--text-sm)}.footer-inner>div{display:flex;flex-direction:column;align-items:flex-end;color:var(--color-muted);font-size:var(--text-xs)}.footer-inner>div a{color:var(--color-accent);text-decoration:none}.page--upload{min-height:100vh}.upload-hero{padding:var(--space-8) 0 var(--space-9);overflow:hidden}.upload-hero-inner{display:grid;grid-template-columns:.82fr 1.18fr;gap:clamp(2.5rem,7vw,7rem);align-items:center}.upload-title h1{margin-bottom:1.5rem;font-size:clamp(2.4rem,4.2vw,3.7rem)}.upload-title>p:not(.eyebrow,.compliance-line){max-width:32rem;color:var(--color-ink-soft);font-size:var(--text-md)}.upload-panel{position:relative;padding:1rem;border:1px solid var(--color-line);border-radius:var(--radius-xl);background:#fffefbb8;box-shadow:var(--shadow-md)}.step-indicator{display:grid;grid-template-columns:repeat(4,1fr);padding:.8rem .7rem 1.3rem;margin:0;list-style:none}.step-indicator li{position:relative;display:flex;align-items:center;gap:.5rem;color:#9aa19e;font-size:.68rem}.step-indicator li:not(:last-child):after{content:"";position:absolute;left:2rem;right:.45rem;top:.75rem;border-top:1px solid var(--color-line)}.step-indicator span{position:relative;z-index:1;width:1.5rem;height:1.5rem;display:grid;place-items:center;border:1px solid var(--color-line-strong);border-radius:50%;background:var(--color-surface);font-size:.62rem}.step-indicator b{position:relative;z-index:1;background:#fffefbeb;white-space:nowrap}.step-indicator .is-active{color:var(--color-accent)}.step-indicator .is-active span{border-color:var(--color-accent);background:var(--color-accent);color:#fff}.step-indicator .is-complete{color:var(--color-ink-soft)}.step-indicator .is-complete span{border-color:var(--color-deep);background:var(--color-deep);color:#fff}.dropzone{min-height:29rem;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2.2rem;border:1.5px dashed #b8aaa4;border-radius:calc(var(--radius-xl) - .45rem);background:linear-gradient(145deg,#fffefa,#f7eeeb);text-align:center;transition:border var(--transition),background var(--transition),transform var(--transition)}.dropzone--active{border-color:var(--color-accent);background:var(--color-accent-pale);transform:scale(.995)}.dropzone--selected{border-style:solid}.dropzone input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.file-icon{position:relative;width:4.7rem;height:5.6rem;display:grid;place-items:end center;margin-bottom:1.35rem;padding-bottom:.85rem;border:1.5px solid var(--color-accent);border-radius:.8rem;background:var(--color-surface);color:var(--color-accent);box-shadow:var(--shadow-sm);font-size:.75rem;font-weight:850}.file-icon:after{content:"";position:absolute;right:-.1rem;top:-.1rem;width:1.45rem;height:1.45rem;border-left:1.5px solid var(--color-accent);border-bottom:1.5px solid var(--color-accent);border-radius:0 .8rem 0 .4rem;background:var(--color-accent-soft)}.file-status-mark{width:4.5rem;height:4.5rem;display:grid;place-items:center;margin-bottom:1.4rem;border-radius:50%;background:var(--color-accent);color:#fff;font-size:1.7rem}.dropzone-kicker{margin-bottom:.35rem;color:var(--color-accent);font-size:var(--text-sm);font-weight:800}.dropzone h2{max-width:27rem;margin-bottom:.7rem;font-size:1.65rem;overflow-wrap:anywhere}.dropzone>p:not(.dropzone-kicker){margin-bottom:1.5rem;color:var(--color-muted)}.dropzone small{margin-top:1rem;color:var(--color-muted)}.dropzone-actions{display:flex;gap:.75rem}.upload-error{margin:.8rem .5rem 0;color:var(--color-profit);font-size:var(--text-sm)}.trust-strip{border-top:1px solid var(--color-line);border-bottom:1px solid var(--color-line);background:var(--color-surface)}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr)}.trust-grid>div{display:grid;grid-template-columns:auto 1fr;column-gap:1rem;padding:1.6rem 2rem;border-left:1px solid var(--color-line)}.trust-grid>div:last-child{border-right:1px solid var(--color-line)}.trust-grid span{grid-row:1 / 3;color:var(--color-accent);font-size:.72rem;font-weight:850}.trust-grid b{font-size:.92rem}.trust-grid p{margin:.25rem 0 0;color:var(--color-muted);font-size:.75rem}.upload-process .section-heading{margin-bottom:var(--space-7)}.process-line{display:grid;grid-template-columns:repeat(4,1fr);padding:0;margin:0;border:1px solid var(--color-line);border-radius:var(--radius-lg);overflow:hidden;background:var(--color-surface);list-style:none}.process-line li{display:grid;grid-template-columns:2.4rem 1fr;gap:.85rem;padding:1.5rem;border-right:1px solid var(--color-line)}.process-line li:last-child{border-right:0}.process-line>li>span{width:2.25rem;height:2.25rem;display:grid;place-items:center;border:1px solid var(--color-line-strong);border-radius:50%;color:var(--color-muted);font-size:.72rem}.process-line .is-active>span{border-color:var(--color-accent);background:var(--color-accent);color:#fff}.process-line b{font-size:.9rem}.process-line p{margin:.25rem 0 0;color:var(--color-muted);font-size:.73rem}.upload-value{background:var(--color-bg-soft)}.value-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:clamp(3rem,8vw,8rem);align-items:end}.value-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--color-line-strong)}.value-grid div{display:flex;align-items:center;gap:1rem;min-height:5.2rem;border-bottom:1px solid var(--color-line-strong)}.value-grid div:nth-child(odd){padding-right:1.4rem}.value-grid div:nth-child(2n){padding-left:1.4rem;border-left:1px solid var(--color-line)}.value-grid span{color:var(--color-accent);font-size:.7rem;font-weight:850}.value-grid b{font-size:.92rem}.upload-privacy{padding-top:0;background:var(--color-bg-soft)}.upload-privacy-card{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,8vw,8rem);padding:clamp(2.5rem,6vw,5rem);border-radius:var(--radius-xl);background:var(--color-deep);color:#fff}.upload-privacy-card h2{font-size:var(--text-xl)}.upload-privacy-card>div>p:last-child{color:#c9cecc}.upload-privacy-card dl{margin:0}.upload-privacy-card dl div{display:grid;grid-template-columns:8rem 1fr;gap:1.2rem;padding:1rem 0;border-top:1px solid rgba(255,255,255,.15)}.upload-privacy-card dt{color:#ef8686;font-weight:750}.upload-privacy-card dd{margin:0;color:#e0e2e1}.help-card{display:flex;justify-content:space-between;align-items:end;gap:var(--space-6);padding-bottom:var(--space-7);border-bottom:1px solid var(--color-line-strong)}.help-card h2{font-size:var(--text-xl)}.help-card p:not(.eyebrow){margin-bottom:0;color:var(--color-muted)}.keep-phrase{white-space:nowrap}.workflow-main{min-height:calc(100vh - 12rem);padding:var(--space-7) 0 var(--space-9)}.workflow-container{max-width:72rem}.workflow-steps{margin-bottom:var(--space-7);padding:.8rem 1rem .2rem;border:1px solid var(--color-line);border-radius:var(--radius-lg);background:#fffefbb8}.workflow-heading{max-width:53rem;margin-bottom:var(--space-7)}.workflow-heading h1,.processing-card h1,.report-host-bar h1{margin-bottom:1rem;font-size:var(--text-xl)}.workflow-heading>p:last-child,.processing-card>p{color:var(--color-muted);font-size:var(--text-md)}.review-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem;margin-bottom:var(--space-5)}.review-summary article{min-height:9rem;display:flex;flex-direction:column;padding:1.3rem;border:1px solid var(--color-line);border-radius:var(--radius-md);background:var(--color-surface)}.review-summary small,.review-summary span{color:var(--color-muted);font-size:var(--text-xs)}.review-summary strong{margin:auto 0 .15rem;font-size:1.35rem;overflow-wrap:anywhere}.workflow-card{margin-bottom:var(--space-5);padding:clamp(1.3rem,3vw,2rem);border:1px solid 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