*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;color:#15364c;background:#fff;font-family:"Microsoft YaHei","PingFang SC",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #b89551;outline-offset:4px}img{max-width:100%;display:block}h1,h2,h3,p,figure{margin:0}em{font-style:normal;color:#0d797a}.fh-wrap{width:min(1280px,calc(100% - 72px));margin-inline:auto}.fh-skip{position:absolute;left:20px;top:-100px;z-index:120;padding:12px;background:#fff}.fh-skip:focus{top:12px}#site-header{position:sticky;top:0;z-index:80}.fh-fallback{height:82px;display:flex;align-items:center;justify-content:space-between;padding:0 36px}.fh-fallback>a:first-child{font-size:28px;font-weight:750}
.fh-hero{background:linear-gradient(115deg,#f7fbfc 0%,#f2faf8 65%,#ebf6f2);border-bottom:1px solid #dcebe6;overflow:hidden;padding-bottom:20px}.fh-hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center;padding-block:22px 12px}.fh-eyebrow{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:1px;color:#5b7788;font-weight:550;margin-bottom:17px}.fh-eyebrow>span{width:25px;height:3px;border-radius:2px;background:#147678}.fh-hero h1{font-family:"Source Han Serif SC","Noto Serif CJK SC","Songti SC",SimSun,serif;font-size:clamp(36px,3.4vw,48px);line-height:1.4;letter-spacing:-1px;font-weight:700}.fh-lead{font-size:16px;color:#4a687b;line-height:1.8;margin-top:16px}.fh-proof{list-style:none;display:flex;gap:22px;padding:0;margin:20px 0;font-size:13px;font-weight:600}.fh-proof li{display:flex;align-items:center;gap:7px;white-space:nowrap}.fh-proof li:before{content:'✓';display:grid;place-items:center;width:19px;height:19px;background:#0b8b72;border-radius:50%;color:white;font-size:12px}.fh-actions{display:flex;gap:10px}.fh-button{min-height:45px;padding:11px 22px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;gap:22px;font-size:14px;font-weight:650;line-height:1.5;transition:background .18s,transform .18s}.fh-button:hover{transform:translateY(-1px)}.fh-primary{color:#fff;background:linear-gradient(105deg,#00976e,#087a76);border:1px solid #078777;box-shadow:0 4px 10px #14767812}.fh-primary:hover{background:#06766b}.fh-secondary{background:#ffffffb0;border:1px solid #4c9292;color:#176c69}.fh-secondary:hover{background:white}.fh-button>span{font-size:21px;line-height:1}.fh-return{color:#6e8392;font-size:11px;margin-top:12px;line-height:1.6;min-height:18px}.fh-return a{color:#176e72;text-decoration:underline;text-underline-offset:3px}.fh-hero-art{position:relative;min-width:0;padding-bottom:18px}.fh-hero-art>img{width:100%;height:auto;border-radius:8px;mix-blend-mode:multiply}.fh-art-label{position:absolute;right:5px;bottom:38px;display:flex;align-items:center;gap:10px;padding:10px 14px;background:#fffffff2;border:1px solid #dceae6;box-shadow:0 4px 14px #163b4a10;border-radius:7px;color:#17566a;font-size:13px;font-weight:600}.fh-art-label>i{width:29px;height:34px;background:#eaf4fb;border-radius:4px;color:#247eb0;display:grid;place-items:center}.fh-art-label svg{width:22px;height:22px}.fh-art-label small{display:block;font-size:9px;font-weight:400;color:#6b8492;margin-top:4px}.fh-hero-art figcaption{position:absolute;bottom:0;left:0;right:0;text-align:center;color:#829994;font-size:9px}.fh-input-bar{display:flex;align-items:center;justify-content:center;gap:22px;padding:12px 20px;background:#ffffffd9;border:1px solid #dfece8;border-radius:8px;font-size:12px}.fh-input-title,.fh-input-result{display:flex;align-items:center;gap:8px;white-space:nowrap}.fh-input-title{font-weight:600}.fh-input-title svg,.fh-input-result svg{width:20px;height:20px;color:#168879}.fh-input-title i,.fh-input-result i{display:flex}.fh-sheet-tags{display:flex;gap:7px}.fh-sheet-tags span{background:#f0f6f7;border:1px solid #e0e9ed;border-radius:4px;padding:6px 10px;color:#627a8c;font-size:11px}.fh-bar-arrow{color:#85a9a8;font-size:22px}.fh-input-result{color:#356e71}
.fh-values{padding-block:26px 24px}.fh-section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px}.fh-section-heading h2{font-size:23px;line-height:1.45;letter-spacing:-.5px}.fh-section-heading>span,.fh-section-heading>a{font-size:11px;color:#7b929d}.fh-section-heading>a{color:#427d81}.fh-value-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-top:16px}.fh-value-grid article{border:1px solid #e0eae9;border-radius:9px;padding:18px;background:linear-gradient(145deg,#fff,#fafcfc);min-width:0}.fh-value-top{display:flex;gap:12px;align-items:center}.fh-icon{width:48px;height:48px;border-radius:50%;background:radial-gradient(circle at 25% 20%,#e6f9ef,#d4eeea);color:#0b7b70;display:grid;place-items:center;flex:none;border:1px solid #e5f3ef}.fh-icon svg{width:27px;height:27px}.fh-amber{background:linear-gradient(135deg,#fff5df,#f8eaca);color:#a17733;border-color:#f6ecd4}.fh-value-grid h3{font-size:16px;line-height:1.5}.fh-value-grid p{font-size:11px;line-height:1.65;margin-top:5px;color:#6b8393}.fh-mini{height:46px;border-top:1px solid #e8eeee;margin-top:14px;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:7px;font-size:11px;color:#5c7889}.fh-mini>b{font-weight:400;color:#8caaa9;font-size:16px}.fh-mini>span{display:flex;align-items:center;gap:5px;white-space:nowrap}.fh-equation i{width:7px;height:17px;background:#309386;border-radius:1px}.fh-equation>span:nth-of-type(2) i{height:10px;background:#689caf}.fh-equation>span:nth-of-type(3) i{height:7px;background:#bb9a5c}.fh-equation>svg{width:20px;height:20px;fill:#e1f1e7;stroke:#23866d;stroke-width:1.5}.fh-business svg{width:26px;height:24px;fill:none;stroke:#3a8b85;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.fh-review i{font-style:normal;display:grid;place-items:center;color:#258876}.fh-review svg{height:19px;width:19px}.fh-review .fh-pending{color:#a77932;background:#fff5df;border:1px solid #f3e7ca;padding:4px 6px;border-radius:4px}.fh-review .fh-pending i{color:#b48637}.fh-value-human{background:linear-gradient(145deg,#fff,#fdfcf8)!important}
.fh-delivery{display:grid;grid-template-columns:.8fr 2fr;gap:35px;padding:25px 28px;background:linear-gradient(110deg,#f8f6ef,#f6faf8 45%,#f8fbfc);border:1px solid #e3e8e3;border-radius:10px;align-items:center;scroll-margin-top:96px}.fh-delivery h2{font-size:28px;line-height:1.45;letter-spacing:-.5px}.fh-delivery-copy>.fh-eyebrow{font-size:10px;letter-spacing:1px;margin-bottom:11px}.fh-delivery-copy>p:not(.fh-eyebrow){font-size:12px;color:#728593;line-height:1.8;margin-top:9px}.fh-deliverables{display:flex;gap:17px;margin-top:16px}.fh-deliverables>span{display:flex;align-items:center;gap:5px;font-size:12px;font-weight:600}.fh-deliverables i{display:flex;color:#247e7a}.fh-deliverables svg{width:20px;height:20px}.fh-content-note{font-size:10px;line-height:1.9;color:#93a2a8;margin-top:13px}.fh-delivery-preview{min-width:0}.fh-sample-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.fh-sample-heading strong{font-size:12px}.fh-sample-heading>span{font-size:10px;color:#7c939c}.fh-sample-heading b{font-size:14px;margin-left:4px;font-weight:400}.fh-samples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.fh-sample{padding:0;background:#fff;border:1px solid #dfe8e7;border-radius:6px;overflow:hidden;cursor:pointer;color:inherit;text-align:left;box-shadow:0 4px 9px #36594a05;transition:transform .18s,box-shadow .18s}.fh-sample:hover{transform:translateY(-3px);box-shadow:0 8px 22px #36594a14}.fh-sample>div{height:154px;overflow:hidden;border-bottom:1px solid #edf1ef;position:relative;background:#fefefe}.fh-sample>div:after{content:'';position:absolute;bottom:0;left:0;right:0;height:18px;background:linear-gradient(transparent,#fff)}.fh-sample img{width:100%;height:auto}.fh-sample>span{display:block;padding:11px 12px}.fh-sample b{display:block;font-size:12px}.fh-sample small{display:flex;justify-content:space-between;align-items:center;color:#7c909d;font-size:9px;margin-top:6px}.fh-sample small i{font-size:13px;font-style:normal;color:#3a807a}.fh-sample-note{font-size:9px;color:#8b9ba2;margin-top:10px;line-height:1.5}
.fh-workflow{padding-block:25px 16px}.fh-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));list-style:none;margin:16px 0 13px;padding:0;gap:26px}.fh-steps li{display:flex;gap:12px;align-items:center;position:relative;padding:12px 9px;border-radius:8px}.fh-steps li:not(:last-child):after{content:'→';position:absolute;right:-23px;top:34px;color:#83aaa9;font-size:21px}.fh-step-icon{width:53px;height:53px;border-radius:50%;background:#e9f6f1;display:grid;place-items:center;color:#147e72;flex:none;box-shadow:inset 0 0 0 5px #f3faf7}.fh-step-icon svg{width:29px;height:29px}.fh-step-number{font-size:10px;font-weight:700;color:#28887c;letter-spacing:1px}.fh-steps h3{font-size:14px;line-height:1.5;margin-top:1px}.fh-steps p{font-size:10px;color:#8193a0;margin-top:3px;line-height:1.6}.fh-steps .fh-human{background:#fdf9ee;border:1px solid #f1e6ce}.fh-human .fh-step-icon{background:#f9edce;box-shadow:inset 0 0 0 5px #fff6e2;color:#ae7b2c}.fh-human h3,.fh-human .fh-step-number{color:#a4772f}.fh-help{border-top:1px solid #e8eeef}.fh-help summary{padding:12px 0 0;display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#65818c;cursor:pointer;list-style:none}.fh-help summary::-webkit-details-marker{display:none}.fh-help summary>span{color:#80978f;font-size:18px}.fh-help[open] summary>span{transform:rotate(45deg)}.fh-help>div{padding-top:12px;max-width:900px}.fh-help p{font-size:12px;color:#6a7f8d;line-height:1.9;margin-bottom:10px}.fh-help a{font-size:12px;color:#147678}.fh-bottom-inner{display:flex;align-items:center;gap:14px;background:linear-gradient(105deg,#eaf7f2,#f5faf8);border:1px solid #d5eae2;padding:16px 22px;border-radius:8px}.fh-bottom-inner>.fh-icon{width:40px;height:40px;background:transparent;border:0}.fh-bottom h2{font-size:18px;line-height:1.5}.fh-bottom p{font-size:10px;color:#7e938c;margin-top:4px;line-height:1.6}.fh-bottom .fh-button{margin-left:auto;flex:none}.fh-footer{padding-block:19px 22px;display:flex;gap:24px;align-items:center;color:#80939e}.fh-footer-brand{font-size:17px;font-weight:750;color:#1b3d59;white-space:nowrap}.fh-footer-brand span{color:#b8934e}.fh-footer>p{font-size:9px}.fh-footer nav{display:flex;gap:15px;font-size:10px;margin-left:auto}.fh-footer>small{font-size:9px}
#sample-dialog{width:min(840px,calc(100% - 32px));max-height:90dvh;border:1px solid #dce7e4;border-radius:10px;padding:0;color:#17344e;box-shadow:0 20px 90px #05222e38}#sample-dialog::backdrop{background:#0e2638a6;backdrop-filter:blur(3px)}.fh-dialog-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:16px 22px;background:#fff;border-bottom:1px solid #e1e9e8}.fh-dialog-bar strong{font-size:16px}.fh-dialog-bar small{display:block;color:#7b8d97;font-size:11px;margin-top:5px}.fh-dialog-bar button{width:40px;height:40px;border:0;border-radius:6px;background:#f0f5f5;color:#345766;font-size:26px;cursor:pointer}.fh-dialog-scroll{max-height:calc(90dvh - 79px);overflow:auto;overscroll-behavior:contain;background:#eaf0ee;padding:18px}.fh-dialog-scroll img{width:100%;height:auto;box-shadow:0 5px 15px #0c242a0c}.fh-dialog-open{overflow:hidden}
@media(min-width:1500px){.fh-hero-grid{padding-block:24px 14px;gap:34px}.fh-hero h1{font-size:48px}}
@media(max-width:1100px){.fh-wrap{width:calc(100% - 44px)}.fh-hero-grid{grid-template-columns:1fr 1.05fr;gap:12px}.fh-hero h1{font-size:36px}.fh-lead{font-size:14px}.fh-proof{font-size:12px;gap:16px;margin-block:17px}.fh-art-label{padding:8px 10px;font-size:11px;bottom:30px}.fh-art-label small{font-size:8px}.fh-input-bar{gap:13px;font-size:11px}.fh-sheet-tags span{padding:5px 7px;font-size:10px}.fh-value-grid{gap:10px}.fh-value-grid article{padding:14px}.fh-value-top{gap:10px}.fh-icon{width:40px;height:40px}.fh-value-grid h3{font-size:14px}.fh-value-grid p{font-size:10px}.fh-mini{font-size:10px;gap:4px}.fh-business svg{width:20px}.fh-mini>span{gap:4px}.fh-review .fh-pending{padding:4px}.fh-delivery{gap:23px;padding:22px}.fh-delivery h2{font-size:25px}.fh-sample>div{height:138px}.fh-section-heading h2{font-size:21px}.fh-steps{gap:20px}.fh-steps li{gap:8px;padding-inline:4px}.fh-step-icon{width:43px;height:43px}.fh-steps li:not(:last-child):after{right:-19px}.fh-steps p{font-size:9px}.fh-footer{gap:16px}.fh-footer>p{display:none}}
@media(max-width:800px){.fh-wrap{width:calc(100% - 36px)}.fh-hero{padding-bottom:14px}.fh-hero-grid{grid-template-columns:1fr;padding-block:27px 9px;gap:12px}.fh-hero-copy{max-width:600px}.fh-hero h1{font-size:39px;line-height:1.35}.fh-eyebrow{margin-bottom:11px}.fh-lead{margin-top:13px;font-size:15px}.fh-proof{margin-block:17px}.fh-hero-art{width:min(560px,100%);margin:auto}.fh-art-label{bottom:32px;right:7px}.fh-hero-art figcaption{font-size:8px}.fh-input-bar{flex-wrap:wrap;justify-content:flex-start;gap:9px 15px;padding:12px 15px}.fh-input-title{font-size:11px}.fh-input-result{font-size:10px}.fh-bar-arrow{font-size:15px}.fh-values{padding-block:21px}.fh-section-heading h2{font-size:20px}.fh-section-heading>span{display:none}.fh-value-grid{grid-template-columns:1fr;gap:10px;margin-top:14px}.fh-value-grid article{display:grid;grid-template-columns:1.2fr 1fr;gap:18px;align-items:center;padding:15px}.fh-value-top{gap:12px}.fh-value-grid h3{font-size:15px}.fh-value-grid p{font-size:11px}.fh-icon{width:45px;height:45px}.fh-mini{margin-top:0;padding-top:0;padding-left:15px;border-top:0;border-left:1px solid #e5eeee;height:44px;font-size:11px}.fh-delivery{grid-template-columns:1fr;padding:21px;gap:19px}.fh-delivery-copy{position:relative}.fh-delivery h2{font-size:25px}.fh-delivery h2 br{display:none}.fh-delivery-copy>p:not(.fh-eyebrow) br{display:none}.fh-deliverables{margin-top:11px;gap:21px}.fh-content-note{display:none}.fh-delivery-copy>.fh-eyebrow{margin-bottom:7px}.fh-sample>div{height:180px}.fh-sample-note{font-size:9px}.fh-workflow{padding-block:22px 16px}.fh-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px;margin-top:14px}.fh-steps li{padding:10px 12px;background:#f6faf8;gap:13px}.fh-steps li:not(:last-child):after{display:none}.fh-steps p{font-size:10px}.fh-section-heading>a{font-size:10px}.fh-bottom-inner{gap:10px;padding:16px}.fh-bottom h2{font-size:17px}.fh-bottom p{font-size:10px}.fh-bottom-inner>.fh-icon{display:none}.fh-bottom .fh-button{min-width:125px;padding-inline:14px;gap:12px}.fh-footer{flex-wrap:wrap;gap:13px 20px;padding-block:17px}.fh-footer nav{order:3;margin:0;width:100%}.fh-footer>small{margin-left:auto}}
@media(max-width:480px){.fh-wrap{width:calc(100% - 32px)}.fh-hero-grid{padding-top:23px;gap:10px}.fh-hero h1{font-size:34px;letter-spacing:-.8px;line-height:1.38}.fh-eyebrow{font-size:11px}.fh-lead{font-size:13px;line-height:1.8;margin-top:11px}.fh-proof{font-size:11px;gap:17px;margin-block:15px}.fh-proof li:before{width:17px;height:17px;font-size:10px}.fh-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}.fh-button{min-height:42px;padding:10px 12px;font-size:12px;gap:12px}.fh-return{font-size:10px;margin-top:10px}.fh-hero-art{padding-bottom:16px}.fh-art-label{font-size:10px;padding:6px 8px;bottom:24px;right:0;gap:7px}.fh-art-label>i{width:25px;height:28px}.fh-art-label small{font-size:7px;margin-top:3px}.fh-art-label svg{width:18px;height:18px}.fh-input-bar{gap:9px;padding:11px 12px;display:grid;grid-template-columns:1fr}.fh-input-title{font-size:11px}.fh-input-title svg{width:17px;height:17px}.fh-sheet-tags{gap:7px}.fh-sheet-tags span{padding:5px 10px;font-size:10px}.fh-input-result,.fh-bar-arrow{display:none}.fh-values{padding-block:20px}.fh-section-heading h2{font-size:20px;line-height:1.5;letter-spacing:-.4px}.fh-value-grid article{display:block;padding:14px 15px}.fh-value-grid{gap:9px;margin-top:12px}.fh-value-top{gap:11px}.fh-value-grid h3{font-size:15px}.fh-value-grid p{font-size:10px;line-height:1.7;margin-top:3px}.fh-icon{width:43px;height:43px}.fh-icon svg{width:25px;height:25px}.fh-mini{height:35px;border:0;border-top:1px solid #e6eeee;margin-top:10px;padding:9px 0 0;font-size:10px;justify-content:space-around}.fh-business svg{width:22px;height:20px}.fh-equation>svg{width:17px;height:17px}.fh-review svg{width:17px;height:17px}.fh-delivery{padding:18px 15px;gap:15px}.fh-delivery h2{font-size:24px}.fh-delivery h2 br{display:block}.fh-delivery-copy{display:grid;grid-template-columns:1fr auto;gap:0 8px}.fh-delivery-copy>.fh-eyebrow{grid-column:1/-1;margin-bottom:6px;font-size:10px}.fh-delivery-copy>p:not(.fh-eyebrow){grid-column:1/-1;font-size:11px;margin-top:8px}.fh-deliverables{display:flex;flex-direction:column;gap:8px;margin-top:3px;grid-column:2;grid-row:2;align-self:center}.fh-deliverables>span{font-size:10px;gap:6px;color:#447a79}.fh-deliverables svg{width:17px;height:17px}.fh-sample-heading{margin-bottom:8px}.fh-sample-heading strong{font-size:11px}.fh-sample-heading>span{font-size:9px}.fh-samples{gap:7px}.fh-sample>div{height:105px}.fh-sample>span{padding:8px 6px}.fh-sample b{font-size:10px;line-height:1.5}.fh-sample small{font-size:8px;line-height:1.5;margin-top:3px}.fh-sample small i{display:none}.fh-sample-note{font-size:8px;line-height:1.7;margin-top:8px}.fh-workflow{padding-top:20px}.fh-section-heading>a{display:none}.fh-steps{gap:8px;margin-top:12px;margin-bottom:10px}.fh-steps li{gap:7px;padding:10px 8px}.fh-step-icon{width:34px;height:34px;box-shadow:none}.fh-step-icon svg{width:22px;height:22px}.fh-human .fh-step-icon{box-shadow:none}.fh-step-number{font-size:9px}.fh-steps h3{font-size:12px}.fh-steps p{font-size:8px;line-height:1.7;margin-top:2px}.fh-help summary{font-size:10px;padding-top:9px}.fh-help p{font-size:11px}.fh-bottom-inner{display:block;padding:15px 16px}.fh-bottom h2{font-size:16px;line-height:1.6;letter-spacing:-.3px}.fh-bottom p{font-size:9px}.fh-bottom .fh-button{display:flex;margin-top:12px;width:100%}.fh-footer-brand{font-size:15px}.fh-footer>small{font-size:8px}.fh-footer nav{gap:15px;font-size:9px}.fh-dialog-bar{padding:12px 14px}.fh-dialog-scroll{padding:6px}.fh-dialog-bar strong{font-size:14px}.fh-dialog-bar small{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
@media print{#site-header,.fh-actions,.fh-return,.fh-bottom,.fh-help,.fh-footer,dialog{display:none!important}.fh-wrap{width:100%}.fh-sample{break-inside:avoid}}

/* Compact revision: remove repeated explanations and keep graphics prominent. */
.fh-values{padding-block:20px}.fh-value-grid{margin-top:12px}.fh-value-grid article{padding:15px 18px}.fh-value-top{min-height:48px}.fh-mini{margin-top:11px;padding-top:10px;height:40px}.fh-delivery{padding-block:20px;gap:30px}.fh-delivery h2{font-size:28px}.fh-workflow{padding-top:20px}.fh-steps{margin-top:12px}.fh-bottom-inner{padding-block:12px}.fh-footer{padding-block:16px 18px}
@media(max-width:800px){.fh-mini{margin-top:0;padding-top:0}.fh-delivery{gap:15px}.fh-delivery h2 br{display:none}}
@media(max-width:480px){.fh-values{padding-block:17px}.fh-value-grid article{padding:12px 14px}.fh-value-top{min-height:43px}.fh-mini{margin-top:8px;padding-top:8px;height:33px}.fh-delivery{padding:16px 14px;gap:14px}.fh-delivery h2{font-size:23px}.fh-delivery h2 br{display:block}.fh-deliverables{grid-row:1}.fh-workflow{padding-top:18px}.fh-bottom h2{font-size:15px}.fh-footer{padding-block:14px}}