:root{--brand: #0f7a63;--brand-strong: #0a5a49;--brand-bright: #14a184;--brand-soft: #e9f4f0;--brand-softer: #f3f9f6;--accent: #b8792c;--accent-soft: #fbf3e6;--ink: #0f1a17;--body: #45534d;--muted: #6d7c75;--faint: #97a49d;--surface: #ffffff;--surface-2: #f5f8f6;--surface-3: #edf3f0;--line: #e1e9e5;--line-strong: #cfdad4;--dark: #0b1e19;--dark-2: #102a23;--on-dark: #eaf2ee;--on-dark-muted: #9db3aa;--on-dark-line: #1e3a31;--font-sans: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-en: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Arial, sans-serif;--font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--fs-display: clamp(2.5rem, 1.6rem + 3.6vw, 4.25rem);--fs-h1: clamp(2.1rem, 1.5rem + 2.4vw, 3.25rem);--fs-h2: clamp(1.7rem, 1.32rem + 1.5vw, 2.5rem);--fs-h3: clamp(1.16rem, 1.05rem + .5vw, 1.45rem);--fs-h4: 1.0625rem;--fs-lead: clamp(1rem, .96rem + .24vw, 1.125rem);--fs-body: 1rem;--fs-sm: .9375rem;--fs-xs: .8125rem;--fs-eyebrow: .75rem;--lh-tight: 1.24;--lh-snug: 1.45;--lh-body: 1.85;--ls-eyebrow: .14em;--ls-heading: -.005em;--sp-1: .25rem;--sp-2: .5rem;--sp-3: .75rem;--sp-4: 1rem;--sp-5: 1.5rem;--sp-6: 2rem;--sp-7: 2.5rem;--sp-8: 3rem;--sp-9: 4rem;--sp-10: 5rem;--section-y: clamp(4.5rem, 3rem + 6vw, 8rem);--gutter: clamp(1.25rem, .6rem + 2.8vw, 3.5rem);--container: 1200px;--container-wide: 1360px;--r-xs: 4px;--r-sm: 6px;--r-md: 10px;--r-lg: 16px;--r-xl: 22px;--r-full: 999px;--sh-xs: 0 1px 2px rgba(11, 30, 25, .05);--sh-sm: 0 2px 8px rgba(11, 30, 25, .06);--sh-md: 0 10px 30px -12px rgba(11, 30, 25, .16);--sh-lg: 0 24px 60px -24px rgba(11, 30, 25, .24);--sh-brand: 0 10px 26px -12px rgba(15, 122, 99, .5);--ease: cubic-bezier(.32, .72, .28, 1);--dur-fast: .16s;--dur: .26s;--dur-slow: .6s;--header-h: 72px;--z-header: 40;--z-overlay: 60;--z-toast: 80}@media(max-width:640px){:root{--header-h: 62px}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px)}body{margin:0;background:var(--surface);color:var(--body);font-family:var(--font-sans);font-size:var(--fs-body);line-height:var(--lh-body);font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:hidden}body.is-locked{overflow:hidden}h1,h2,h3,h4,h5,h6{margin:0;color:var(--ink);font-weight:600;line-height:var(--lh-tight);letter-spacing:var(--ls-heading);text-wrap:balance}h1{font-size:var(--fs-h1)}h2{font-size:var(--fs-h2)}h3{font-size:var(--fs-h3);line-height:var(--lh-snug)}h4{font-size:var(--fs-h4);line-height:var(--lh-snug)}p{margin:0}ul,ol{margin:0;padding:0}li{list-style:none}a{color:inherit;text-decoration:none;transition:color var(--dur-fast) var(--ease)}img,svg,video{display:block;max-width:100%}button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}input,textarea,select{font:inherit;color:inherit}hr{border:0;border-top:1px solid var(--line);margin:0}::selection{background:#bfe3d6;color:var(--ink)}:focus-visible{outline:3px solid #6fb9a4;outline-offset:3px;border-radius:3px}.on-dark :focus-visible{outline-color:#7fd4ba}.container{width:100%;max-width:calc(var(--container) + var(--gutter) * 2);margin-inline:auto;padding-inline:var(--gutter)}.container--wide{max-width:calc(var(--container-wide) + var(--gutter) * 2)}.container--narrow{max-width:calc(820px + var(--gutter) * 2)}.section{padding-block:var(--section-y)}.section--tight{padding-block:calc(var(--section-y) * .62)}.section--surface{background:var(--surface-2)}.section--dark{background:var(--dark);color:var(--on-dark-muted)}.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}.section--hairline{border-top:1px solid var(--line)}.eyebrow{display:inline-flex;align-items:center;gap:.65rem;font-family:var(--font-en);font-size:var(--fs-eyebrow);font-weight:600;letter-spacing:var(--ls-eyebrow);text-transform:uppercase;color:var(--brand);line-height:1.5}.section--dark .eyebrow{color:var(--brand-bright)}.eyebrow__index{color:var(--faint);font-variant-numeric:tabular-nums}.eyebrow__index:after{content:"";display:inline-block;width:1px;height:.85em;margin-left:.65rem;background:var(--line-strong);vertical-align:-.08em}.section--dark .eyebrow__index:after{background:var(--on-dark-line)}.lead{font-size:var(--fs-lead);line-height:1.9;color:var(--muted)}.text-brand{color:var(--brand)}.text-muted{color:var(--muted)}.section-head{display:grid;gap:1.25rem;max-width:46rem;margin-bottom:clamp(2.5rem,2rem + 2vw,4rem)}.section-head__title{margin-top:.35rem}.section-head__desc{color:var(--muted);font-size:var(--fs-lead);max-width:38rem}.section-head--split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:end;gap:2rem 4rem;max-width:none}.section-head--split .section-head__desc{padding-bottom:.4rem}@media(max-width:820px){.section-head--split{grid-template-columns:minmax(0,1fr);align-items:start}}.section-head--center{margin-inline:auto;text-align:center;justify-items:center}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:var(--gutter);z-index:100;padding:.75rem 1.35rem;border-radius:0 0 var(--r-sm) var(--r-sm);background:var(--brand);color:#fff;font-size:var(--fs-sm);font-weight:500;transition:top var(--dur) var(--ease)}.skip-link:focus{top:0}.reveal{opacity:1}.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--reveal-delay, 0ms);will-change:opacity,transform}.js .reveal.is-visible{opacity:1;transform:none}.js .reveal{animation:reveal-safety 0s linear 4s forwards}@keyframes reveal-safety{to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1!important;transform:none!important;transition:none!important}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@keyframes page-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;min-height:48px;padding:.7rem 1.5rem;border:1px solid transparent;border-radius:var(--r-sm);font-size:var(--fs-sm);font-weight:500;line-height:1.4;white-space:nowrap;cursor:pointer;transition:background-color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur-fast) var(--ease)}.btn svg{flex-shrink:0;transition:transform var(--dur) var(--ease)}.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--sh-brand)}.btn--primary:hover{background:var(--brand-strong);transform:translateY(-1px)}.btn--primary:hover svg:last-child{transform:translate(3px)}.btn--ghost{background:var(--surface);border-color:var(--line-strong);color:var(--ink)}.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}.btn--quiet{background:transparent;color:var(--brand);padding-inline:.25rem}.btn--quiet:hover{color:var(--brand-strong)}.btn--quiet:hover svg{transform:translate(3px)}.btn--light{background:#fff;color:var(--brand-strong)}.btn--light:hover{background:var(--brand-soft);transform:translateY(-1px)}.btn--outline-light{background:transparent;border-color:#ffffff47;color:#fff}.btn--outline-light:hover{border-color:#fff9;background:#ffffff14}.btn--block{width:100%}.btn--sm{min-height:40px;padding:.45rem 1rem;font-size:var(--fs-xs)}.link-arrow{display:inline-flex;align-items:center;gap:.45rem;min-height:44px;color:var(--brand);font-size:var(--fs-sm);font-weight:500}.link-arrow svg{transition:transform var(--dur) var(--ease)}.link-arrow:hover{color:var(--brand-strong)}.link-arrow:hover svg{transform:translate(3px,-3px)}.link-arrow--flat:hover svg{transform:translate(3px)}.badge{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem .9rem;border:1px solid var(--line);border-radius:var(--r-full);background:var(--surface);color:var(--muted);font-size:var(--fs-xs);line-height:1.4}.badge__dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px #0f7a6324}.section--dark .badge{background:#ffffff0f;border-color:var(--on-dark-line);color:var(--on-dark-muted)}.section--dark .badge__dot{background:var(--brand-bright);box-shadow:0 0 0 3px #14a18433}.tag{display:inline-block;padding:.22rem .6rem;border-radius:var(--r-xs);background:var(--surface-3);color:var(--muted);font-size:var(--fs-xs);line-height:1.6;white-space:nowrap}.tag-row{display:flex;flex-wrap:wrap;gap:.4rem}.card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(1.5rem,1.1rem + 1.2vw,2rem);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease)}.card--hover:hover{border-color:#0f7a6357;box-shadow:var(--sh-md);transform:translateY(-3px)}.card--flat{background:var(--surface-2);border-color:transparent}.card__icon{display:grid;place-items:center;width:48px;height:48px;border-radius:var(--r-md);background:var(--brand-soft);color:var(--brand);margin-bottom:1.15rem}.card__icon svg{width:24px;height:24px}.card__title{margin-bottom:.6rem}.card__text{color:var(--muted);font-size:var(--fs-sm);line-height:1.8}.svc-card{display:flex;flex-direction:column;height:100%}.svc-card__top{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.15rem}.svc-card__num{font-family:var(--font-en);font-size:var(--fs-xs);font-weight:600;color:var(--faint);letter-spacing:.08em;font-variant-numeric:tabular-nums}.svc-card__title{font-size:var(--fs-h3);margin-bottom:.7rem}.svc-card__text{color:var(--muted);font-size:var(--fs-sm);line-height:1.8;margin-bottom:1.15rem}.svc-card__foot{margin-top:auto;padding-top:1rem;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:.9rem}.checklist{display:grid;gap:.7rem}.checklist li{display:flex;gap:.7rem;align-items:flex-start;font-size:var(--fs-sm);line-height:1.75;color:var(--body)}.checklist svg{flex-shrink:0;margin-top:.28rem;color:var(--brand)}.section--dark .checklist li{color:var(--on-dark)}.section--dark .checklist svg{color:var(--brand-bright)}.steplist{display:grid;gap:1.6rem;counter-reset:step}.steplist__item{display:grid;grid-template-columns:auto minmax(0,1fr);gap:1rem;align-items:start}.steplist__num{display:grid;place-items:center;width:34px;height:34px;border-radius:var(--r-full);border:1px solid var(--line-strong);background:var(--surface);color:var(--brand);font-family:var(--font-en);font-size:var(--fs-xs);font-weight:600;font-variant-numeric:tabular-nums}.steplist__title{font-size:var(--fs-h4);font-weight:600;color:var(--ink);line-height:var(--lh-snug);margin-bottom:.3rem}.steplist__text{color:var(--muted);font-size:var(--fs-sm);line-height:1.8}.accordion{border-top:1px solid var(--line)}.accordion__item{border-bottom:1px solid var(--line)}.accordion__trigger{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;width:100%;padding:1.4rem 0;text-align:left;font-size:var(--fs-h4);font-weight:500;color:var(--ink);line-height:var(--lh-snug);transition:color var(--dur-fast) var(--ease)}.accordion__trigger:hover{color:var(--brand)}.accordion__mark{flex-shrink:0;display:grid;place-items:center;width:30px;height:30px;border-radius:var(--r-full);border:1px solid var(--line-strong);color:var(--brand);transition:transform var(--dur) var(--ease),background-color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease)}.accordion__trigger[aria-expanded=true] .accordion__mark{background:var(--brand);border-color:var(--brand);color:#fff;transform:rotate(180deg)}.accordion__panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--dur) var(--ease)}.accordion__panel[data-open=true]{grid-template-rows:1fr}.accordion__panel>div{overflow:hidden}.accordion__body{padding-bottom:1.5rem;padding-right:3rem;color:var(--muted);font-size:var(--fs-sm);line-height:1.9;max-width:62ch}@media(max-width:640px){.accordion__body{padding-right:0}}.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:.45rem;font-size:var(--fs-xs);color:var(--faint)}.breadcrumb a:hover{color:var(--brand)}.breadcrumb__sep{color:var(--line-strong)}.breadcrumb [aria-current=page]{color:var(--muted)}.modal__dialog{width:min(660px,calc(100vw - 2rem));max-width:none;max-height:calc(100svh - 2rem);padding:0;border:0;background:transparent;color:inherit;overflow:visible}.modal__dialog--narrow{width:min(560px,calc(100vw - 2rem))}.modal__dialog::backdrop{background:#08181480;backdrop-filter:blur(4px)}.modal__dialog[open]::backdrop{animation:fade-in .22s var(--ease) both}.modal__panel{position:relative;display:flex;flex-direction:column;max-height:calc(100svh - 2rem);background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--sh-lg);overflow:hidden}.modal__dialog[open] .modal__panel{animation:modal-in .28s var(--ease) both}.modal__head{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;padding:1.5rem 1.75rem 1.1rem;border-bottom:1px solid var(--line)}.modal__title{font-size:clamp(1.25rem,1.1rem + .6vw,1.5rem)}.modal__desc{margin-top:.4rem;color:var(--muted);font-size:var(--fs-sm);line-height:1.7}.modal__close{flex-shrink:0;display:grid;place-items:center;width:38px;height:38px;margin:-.35rem -.5rem 0 0;border-radius:var(--r-sm);color:var(--muted);transition:background-color var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease)}.modal__close:hover{background:var(--surface-3);color:var(--ink)}.modal__body{padding:1.5rem 1.75rem 1.75rem;overflow-y:auto}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes modal-in{0%{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.modal__dialog[open]::backdrop,.modal__dialog[open] .modal__panel{animation:none}}.form-grid{display:grid;gap:1.1rem}.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.1rem}@media(max-width:620px){.form-row{grid-template-columns:minmax(0,1fr)}}.field{display:grid;gap:.45rem}.field__label{font-size:var(--fs-xs);font-weight:500;color:var(--muted);line-height:1.5}.field__label .req{color:var(--brand);margin-left:.15rem}.field__hint{font-size:var(--fs-xs);color:var(--faint);line-height:1.6}.input,.textarea,.select{width:100%;min-width:0;padding:.65rem .85rem;border:1px solid var(--line-strong);border-radius:var(--r-sm);background:var(--surface);color:var(--ink);font-size:var(--fs-sm);line-height:1.6;transition:border-color var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease)}.input,.select{min-height:46px}.textarea{resize:vertical;min-height:120px;line-height:1.75}.input::placeholder,.textarea::placeholder{color:var(--faint)}.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #0f7a6326}.input[aria-invalid=true],.textarea[aria-invalid=true]{border-color:#c0503f;box-shadow:0 0 0 3px #c0503f24}.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236d7c75' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .8rem center;padding-right:2.4rem}.field-error{font-size:var(--fs-xs);color:#b3453a}.form-note{display:flex;gap:.55rem;align-items:flex-start;padding:.85rem 1rem;border-radius:var(--r-sm);background:var(--brand-softer);border:1px solid #d8ebe4;color:var(--muted);font-size:var(--fs-xs);line-height:1.7}.form-note svg{flex-shrink:0;margin-top:.15rem;color:var(--brand)}.form-actions{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.export-preview{border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface-2);overflow:hidden}.export-preview__head{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 1rem;border-bottom:1px solid var(--line);background:var(--surface)}.export-preview__name{font-family:var(--font-mono);font-size:var(--fs-xs);color:var(--muted);overflow-wrap:anywhere}.export-preview__body{margin:0;padding:1rem;max-height:260px;overflow:auto;font-family:var(--font-mono);font-size:var(--fs-xs);line-height:1.75;color:var(--body);white-space:pre-wrap;overflow-wrap:anywhere}.toast{position:fixed;left:50%;bottom:2rem;z-index:var(--z-toast);transform:translate(-50%);max-width:calc(100% - 2rem);padding:.8rem 1.25rem;border-radius:var(--r-sm);background:var(--dark-2);color:#fff;font-size:var(--fs-sm);box-shadow:var(--sh-lg);animation:toast-in .26s var(--ease) both}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%)}}.page-hero{position:relative;padding-top:clamp(3rem,2rem + 4vw,5rem);padding-bottom:clamp(2.5rem,2rem + 3vw,4rem);background:linear-gradient(180deg,var(--surface-2) 0%,var(--surface) 100%);border-bottom:1px solid var(--line);overflow:hidden}.page-hero:after{content:"";position:absolute;top:-260px;right:-180px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(15,122,99,.075),transparent 62%);pointer-events:none}.page-hero__inner{position:relative;max-width:52rem}.page-hero__title{margin-top:1.1rem}.page-hero__desc{margin-top:1.1rem;color:var(--muted);font-size:var(--fs-lead);max-width:44rem}.page-hero__actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.9rem}.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}.stat{background:var(--surface);padding:1.5rem 1.6rem}.stat__value{font-size:clamp(1.6rem,1.3rem + 1.2vw,2.1rem);font-weight:600;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}.stat__label{margin-top:.4rem;font-size:var(--fs-sm);color:var(--muted);line-height:1.7}.site-header{position:sticky;top:0;z-index:var(--z-header);background:#ffffffdb;backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease)}.site-header[data-scrolled=true]{background:#fffffff0;border-bottom-color:var(--line);box-shadow:0 1px 20px #0b1e190d}.site-header__inner{display:flex;align-items:center;gap:1.5rem;min-height:var(--header-h)}.brand{display:inline-flex;align-items:center;gap:.65rem;flex-shrink:0}.brand__mark{display:grid;place-items:center;width:38px;height:38px;border-radius:var(--r-md);background:linear-gradient(145deg,var(--brand) 0%,var(--brand-strong) 100%);color:#fff;box-shadow:0 4px 12px -4px #0f7a638c}.brand__mark 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