/* Preserve redesign: DESIGN_VARIANCE 3 / MOTION_INTENSITY 2 / VISUAL_DENSITY 5.
   Semantic light/dark tokens; radius 4px. Layers: header 20, mobile actions 30, skip link 50. */
:root{--g900:#14532D;--g800:#166534;--g700:#15803D;--gold:#A16207;--gold2:#C9A227;--surface:#fdfefd;--page:#f5f7f4;--soft:#edf3ed;--ink:#1c2b24;--muted:#526258;--line:#d6e0d7;--primary:#166534;--primary-hover:#14532d;--on-primary:#fff;--focus:#9a6700;--error:#9c2d22;--radius:4px;--container:1360px;--gutter:40px;color-scheme:light dark;
/* === 设计系统 token（docs/DESIGN.md） === */
/* 圆角三档 */
--radius-sm:4px;
--radius-md:8px;
--radius-lg:12px;
/* 间距 8 网格 */
--space-1:4px;--space-2:8px;--space-3:16px;--space-4:24px;--space-5:32px;--space-6:48px;--space-7:64px;
/* 字号（桌面，移动断点在媒体查询里覆盖） */
--display-xl:56px;
--h1:40px;--h2:32px;--h3:21px;
--lead:21px;--body:17px;--muted-text:15px;--caption:13px;
/* 动效 */
--duration-fast:150ms;--duration-normal:220ms;
--ease-standard:cubic-bezier(.2,.8,.2,1);
--transition-fast:150ms cubic-bezier(.2,.8,.2,1);
--transition-normal:220ms cubic-bezier(.2,.8,.2,1);
/* 补充 token */
--primary-deep:#164d38;
--line-strong:#84998a;
}
*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:116px}body{margin:0;background:var(--page);color:var(--ink);font:16px/1.75 "PingFang SC","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p,figure,dl,dd{margin:0}h1,h2,h3,h4{font-weight:650;line-height:1.4;text-wrap:balance}h1{font-size:clamp(32px,3.1vw,44px);letter-spacing:-.04em}h2{font-size:30px;letter-spacing:-.025em}h3{font-size:23px}p+p{margin-top:14px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}a,button{touch-action:manipulation}button{color:inherit}img{display:block;max-width:100%;height:auto}ul{margin:0;padding-left:1.2em}hr{border:0;border-top:1px solid var(--line);margin:28px 0}.wrap{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}.hide,[hidden]{display:none!important}:focus-visible{outline:3px solid var(--focus);outline-offset:4px}main:focus:not(:focus-visible){outline:0}.skip-link{position:fixed;left:16px;top:-100px;padding:12px 20px;background:var(--surface);z-index:50}.skip-link:focus{top:12px}.text-link{display:inline-flex;align-items:center;min-height:44px;color:var(--primary);font-weight:600;background:none;border:0;padding:4px 0;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}.text-link:hover{color:var(--primary-hover);text-decoration-thickness:2px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 20px;white-space:nowrap;border:1px solid transparent;border-radius:var(--radius);font-size:16px;font-weight:600;line-height:1.5;transition:background .15s,transform .15s}.btn-green{background:var(--primary);color:var(--on-primary)}.btn-green:hover{background:var(--primary-hover)}.btn-outline{border-color:var(--primary);color:var(--primary);background:var(--surface)}.btn-outline:hover{background:var(--soft)}.btn:active{transform:translateY(1px)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.note,.figure-note,figcaption{font-size:14px;line-height:1.65;color:var(--muted)}.lead{font-size:20px;line-height:1.8;max-width:900px}.lead+p{margin-top:14px}.section{padding:64px 0;scroll-margin-top:110px}.section:nth-child(even){background:var(--surface)}.section p{color:var(--muted);max-width:960px}.sec-head{margin-bottom:30px}.sec-head p{margin-top:12px}.note-box{padding:24px 28px;background:var(--soft);border-left:3px solid var(--primary);margin-top:30px}.note-box h3{margin-bottom:10px}
/* Compact, single-row desktop navigation. */
.site-header{position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}.header-inner{min-height:100px;display:flex;align-items:center;gap:24px}.brand{flex-shrink:0;color:var(--g900);line-height:1.5}.brand strong{font-size:23px;display:block;font-weight:700;letter-spacing:.015em}.brand span{font-size:13px;color:var(--muted);display:block;margin-top:4px}.site-nav{display:flex;gap:20px;margin-left:auto;white-space:nowrap}.nv{position:relative;min-height:48px;display:flex;align-items:center;font-size:15px}.nv:hover,.nv[aria-current]{color:var(--primary)}.nv[aria-current]{font-weight:700}.nv[aria-current]:after{content:"";position:absolute;height:3px;background:var(--primary);left:0;right:0;bottom:0}.platform-entry{display:inline-flex;flex-direction:column;align-items:flex-start;color:var(--primary);font-size:16px;line-height:1.6;font-weight:650;min-height:44px}.external-hint{font-size:12px;font-weight:400;color:var(--muted)}.header-platform{border-left:1px solid var(--line);padding-left:22px;flex-shrink:0}.header-platform .platform-entry{font-size:14px}.menu-toggle{display:none}.hero{background:var(--soft)}.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:48px;min-height:470px;padding-top:36px;padding-bottom:36px}.hero-copy{padding:18px 0}.hero-copy h1{color:var(--g900)}.hero-copy p{font-size:18px;max-width:520px;color:var(--muted);margin-top:24px}.hero-art{position:relative;overflow:hidden;border-radius:var(--radius)}.hero-art img{width:100%;aspect-ratio:1.42;object-fit:cover}.hero-art figcaption{position:absolute;bottom:12px;left:12px;right:12px;padding:8px 12px;background:var(--surface);font-size:12px}.marketing-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.marketing-card{padding:28px 32px;border:1px solid var(--line);background:var(--surface);border-radius:var(--radius)}.marketing-card h3{color:var(--g900);font-size:25px}.marketing-card p{margin-top:12px;max-width:520px;min-height:56px}.inline-list{list-style:none;padding:0;margin:20px 0;display:flex;gap:8px 18px;flex-wrap:wrap;color:var(--muted);font-size:15px}.inline-list li+li{border-left:1px solid var(--line);padding-left:18px}.card-actions{display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid var(--line);padding-top:12px}.system-overview{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:center}.jiumi-logo{width:130px;height:40px;object-fit:contain;margin-bottom:22px;background:var(--surface);border-radius:2px}.flow-diagram{padding:30px;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius)}.flow-title{font-size:21px;font-weight:650;color:var(--primary)!important;text-align:center}.flow-streams{display:grid;grid-template-columns:repeat(3,1fr);margin:26px 0 20px;gap:14px}.flow-streams>div{border-top:2px solid var(--primary);padding-top:14px;text-align:center}.flow-streams h3{font-size:20px}.flow-streams p{font-size:14px;margin-top:6px}.audience-paths{display:grid;grid-template-columns:1fr 1fr;margin-top:36px;padding-top:28px;border-top:1px solid var(--line);gap:48px}.audience-paths article+article{border-left:1px solid var(--line);padding-left:40px}.audience-paths p{margin-top:8px}.business-directory{display:grid;grid-template-columns:1.6fr 1fr .9fr;gap:42px}.directory-group h3{padding-bottom:16px;border-bottom:2px solid var(--primary);font-size:23px}.directory-group ul{list-style:none;padding:0}.directory-group li{margin-top:17px}.directory-group p{font-size:14px}.directory-group .text-link{font-size:18px}.local-pair,.intro-split,.prep-layout{display:grid;grid-template-columns:1fr 1fr;gap:64px}.local-pair h3,.prep-layout h3{margin-bottom:12px}.local-pair .note{margin:14px 0 6px}.intro-split .platform-entry{margin-bottom:16px}.contact-close{padding:40px 0;background:var(--soft);border-top:1px solid var(--line)}.close-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}.close-inner .actions{margin:0}.close-inner p{color:var(--muted);margin-top:6px}.page-head{padding:34px 0 46px;background:var(--soft)}.crumb{font-size:14px;color:var(--muted);margin-bottom:18px}.crumb .text-link{font-weight:400;min-height:32px}.page-head p{font-size:19px;max-width:900px;color:var(--muted);margin-top:16px}.service-list{margin:22px 0}.service-list>div{display:grid;grid-template-columns:260px 1fr;gap:40px;padding:24px 0;border-bottom:1px solid var(--line)}dt{font-size:23px;font-weight:600;line-height:1.5}dd{color:var(--muted);line-height:1.8}.capability-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 60px}.capability-grid>div{border-top:1px solid var(--line);padding-top:24px}.capability-grid dd{margin-top:12px}.screenshot-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}.screenshot-layout figure{min-width:0}.screenshot-layout figure img{width:100%;border:1px solid var(--line);border-radius:var(--radius)}figcaption{margin-top:12px}.screenshot-layout p{margin:14px 0 20px}.cooperation-list>div{display:grid;grid-template-columns:1fr 1.3fr;gap:60px;padding:34px 0;border-bottom:1px solid var(--line)}.cooperation-list>div:first-child{padding-top:0}.cooperation-list dt{color:var(--primary);font-size:26px}.service-feature{display:flex;align-items:center;justify-content:space-between;gap:32px}.service-feature p{margin-top:12px}.empty-activities{background:var(--soft);padding:22px 26px}.activity-item{border-bottom:1px solid var(--line)}.activity-item summary{display:flex;gap:24px;align-items:center;padding:22px 4px;font-size:18px;font-weight:600;list-style:revert}.activity-item summary time{font-size:14px;font-weight:400;color:var(--muted)}.activity-item summary:after{content:"＋";margin-left:auto;color:var(--primary)}.activity-item[open] summary:after{content:"−"}.activity-detail{padding:0 4px 24px}.demo{font-size:13px;background:var(--soft);color:var(--muted);padding:2px 5px;margin-left:8px}
/* Reused forms and the new phone consultation share the existing store. */
.contact-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}.contact-aside{background:var(--soft);padding:28px;border-radius:var(--radius)}.contact-aside h2{font-size:23px;margin-bottom:14px}.contact-aside h3{font-size:20px}.contact-aside p{font-size:15px}.contact-aside .platform-entry{margin-top:16px}.contact-disclosure{margin-top:24px}.contact-disclosure summary{min-height:44px;color:var(--primary);font-weight:600}.intake-notice{padding:18px 22px;background:var(--soft);border-left:3px solid var(--primary);font-size:15px;margin-bottom:26px}.form-choice{margin-bottom:24px}.form-choice h2{font-size:24px;margin-bottom:12px}.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.tabs button{padding:10px 16px;min-height:48px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);font-weight:600;white-space:nowrap}.tabs button[aria-selected=true]{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}.form-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.form-card h3{margin-bottom:14px}.form-card .note{margin-bottom:18px}.form-kind-note,.consultation-context{font-size:15px;background:var(--soft);padding:12px 16px;margin:14px 0}.frow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:24px}.fitem{min-width:0}.fitem.full{grid-column:1/-1}.fitem label{display:block;font-weight:600;margin-bottom:8px}.fitem label i{color:var(--error);font-style:normal;margin-left:4px}input,select,textarea{display:block;width:100%;background:var(--surface);color:var(--ink);border:1px solid var(--line-strong);border-radius:var(--radius);padding:10px 12px;min-height:48px}input::placeholder,textarea::placeholder{color:var(--muted);opacity:1}textarea{min-height:120px;resize:vertical}.submit-row{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-top:28px}.hint{font-size:14px;color:var(--muted)}.form-result:not(:empty){padding:18px;background:var(--soft);border-left:3px solid var(--primary);margin-top:20px;color:var(--ink)}.form-result.is-error{border-color:var(--error);color:var(--error)}.demo-error{padding:18px 40px;color:var(--error);background:var(--surface)}
.site-footer{background:var(--surface);padding:46px 0 20px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:60px}.footer-grid h2{font-size:23px;margin-bottom:16px}.footer-grid h3{font-size:18px;margin-bottom:14px}.footer-grid p{color:var(--muted);font-size:15px;max-width:380px}.footer-grid .note{font-size:13px}.footer-grid a{display:flex;font-size:15px;font-weight:400}.footer-bottom{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding-top:20px;margin-top:34px;font-size:13px;color:var(--muted)}.mobile-actions{display:none}
@media(prefers-color-scheme:dark){:root{--surface:#17251d;--page:#132018;--soft:#203629;--ink:#e5eee7;--muted:#b5c7b9;--line:#3e5545;--primary:#9bd2ab;--primary-hover:#c1e7cb;--on-primary:#12311d;--g900:#b6dec2;--focus:#edc969;--error:#ffb1a4}input,select,textarea{border-color:#7d9585}.hero-art{background:#203629}.hero-art img{opacity:.88}.jiumi-logo{padding:3px;width:136px;height:46px}.btn-outline:hover{background:#2c4434}}
@media(max-width:1199px){:root{--gutter:28px}.header-inner{gap:16px}.brand strong{font-size:20px}.site-nav{gap:14px}.header-platform{padding-left:14px}.header-platform .platform-entry{font-size:12px}.header-platform .external-hint{font-size:10px}.hero-grid{gap:30px}.hero h1{font-size:35px}.contact-layout{grid-template-columns:minmax(0,1fr) 270px;gap:28px}.flow-diagram{padding:22px}.business-directory{gap:28px}}
@media(max-width:1023px){.header-inner{flex-wrap:wrap;min-height:86px;gap:12px;padding-top:16px;padding-bottom:16px}.brand{margin-right:auto}.menu-toggle{display:block;padding:9px 16px;min-height:44px;background:var(--surface);border:1px solid var(--primary);border-radius:var(--radius);color:var(--primary)}.site-nav{display:none;order:4;flex-basis:100%;margin:0}.site-nav.is-open{display:flex;flex-wrap:wrap}.header-platform{border:0;padding:0}.header-platform .platform-entry{font-size:14px}.header-platform .external-hint{font-size:11px}.hero-grid{gap:26px}.hero h1{font-size:30px}.hero-copy p{font-size:17px}.hero-art img{aspect-ratio:1.1}.system-overview{gap:28px;grid-template-columns:1fr 1.1fr}.flow-streams{gap:10px}.contact-layout{grid-template-columns:1fr}.contact-aside{display:grid;grid-template-columns:1fr 1fr;column-gap:28px}.contact-aside hr{display:none}.contact-aside h2,.contact-aside details{grid-column:1/-1}.service-list>div{grid-template-columns:220px 1fr;gap:24px}.business-directory{grid-template-columns:1.3fr 1fr}.directory-group:last-child{grid-column:1/-1}.footer-grid{gap:30px}.marketing-card{padding:24px}.screenshot-layout{gap:28px}}
@media(max-width:767px){:root{--gutter:20px;--display-xl:38px;--h1:31px;--h2:26px;--h3:19px;--lead:18px;--body:16px;--muted-text:14px;--caption:12px}html{scroll-padding-top:126px}body{padding-bottom:84px}.header-inner{gap:10px;min-height:112px;padding-top:12px;padding-bottom:10px}.brand strong{font-size:21px}.brand span{font-size:12px}.header-platform{flex-basis:100%}.header-platform .platform-entry{flex-direction:row;gap:8px;align-items:center;min-height:28px;font-size:13px}.site-nav{order:4;gap:4px 18px;padding:8px 0}.nv{font-size:15px}.hero-grid{display:flex;flex-direction:column;align-items:stretch;gap:20px;padding-top:30px;padding-bottom:24px;min-height:0}.hero-copy{padding:0}.hero h1{font-size:clamp(26px,6.8vw,36px);line-height:1.5}.hero-copy p{margin-top:18px;line-height:1.8}.hero-copy .actions{margin-top:22px}.hero-art img{aspect-ratio:1.7;max-height:280px}.hero-art figcaption{font-size:11px;bottom:8px;left:8px;right:8px;padding:6px 8px}.section{padding:40px 0}.sec-head{margin-bottom:24px}h1{font-size:31px}h2{font-size:26px}h3{font-size:22px}.lead{font-size:18px}.marketing-grid,.system-overview,.audience-paths,.business-directory,.local-pair,.intro-split,.prep-layout,.capability-grid,.screenshot-layout{grid-template-columns:1fr;gap:26px}.marketing-card{padding:24px}.marketing-card p{min-height:0}.marketing-card h3{font-size:24px}.inline-list{font-size:14px;gap:6px 10px}.inline-list li+li{padding-left:10px}.card-actions{gap:8px}.card-actions .text-link{font-size:15px;white-space:nowrap}.audience-paths{margin-top:28px;padding-top:24px}.audience-paths article+article{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:24px}.flow-diagram{padding:22px 16px}.flow-title{font-size:19px}.flow-streams{grid-template-columns:1fr;margin-top:20px}.flow-streams>div{display:flex;align-items:center;text-align:left;justify-content:space-between;gap:14px;padding:12px 0;border-top:1px solid var(--line)}.flow-streams h3{font-size:19px;white-space:nowrap}.flow-streams p{margin-top:0}.directory-group:last-child{grid-column:auto}.directory-group li{margin-top:12px}.directory-group .text-link{font-size:17px}.close-inner{display:block}.close-inner .actions{margin-top:22px}.contact-close{padding:32px 0}.page-head{padding:24px 0 32px}.page-head p{font-size:17px}.service-list>div,.cooperation-list>div{display:block;padding:24px 0}.service-list dt,.cooperation-list dt{font-size:22px}.service-list dd,.cooperation-list dd{margin-top:12px}.note-box{padding:20px}.service-feature{display:block}.service-feature .btn{margin-top:22px}.activity-item summary{align-items:flex-start;flex-wrap:wrap;gap:4px 14px}.activity-item summary time{flex-basis:100%}.contact-layout{gap:30px}.contact-aside{display:block;padding:24px}.contact-aside h3{margin:24px 0 12px}.form-card{padding:22px 18px}.frow{grid-template-columns:1fr}.fitem.full{grid-column:auto}.tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px}.tabs button{padding:10px}.submit-row .btn{padding:12px 14px;font-size:15px;max-width:100%}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{gap:16px}.mobile-actions{position:fixed;bottom:0;left:0;right:0;z-index:30;background:var(--surface);border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:12px 20px max(12px,env(safe-area-inset-bottom))}.mobile-actions .btn{padding:10px;font-size:15px}[data-page=contact] .mobile-actions{display:none}[data-page=contact]{padding-bottom:0}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Reuse the established crop: only the illustration on the right of the source is shown. */
.hero-art{aspect-ratio:1.42}.hero-art img{position:absolute;right:0;top:0;width:220%;max-width:none;height:100%;aspect-ratio:auto;object-fit:cover;object-position:right center}
@media(max-width:1023px) and (min-width:768px){.hero-art{aspect-ratio:1.1}}
@media(max-width:767px){.hero-art{aspect-ratio:1.7}.hero-art img{height:auto;max-height:none;top:50%;transform:translateY(-50%)}}
.intro-split>div:last-child{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
@media(max-width:767px){html{scroll-padding-bottom:96px}.header-platform .platform-entry{min-height:36px}a,button,input,select,textarea{scroll-margin-bottom:100px}}