:root{font-family:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;font-size:17px;line-height:1.65;color:#142e24;background:#fbfaf6;--primary:#1c634f;--muted:#617569;--border:#d6d9d1}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:520px;margin:auto}header{padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:12px}header a{font-weight:700;color:var(--primary);text-decoration:none;font-size:18px}main{padding:28px 24px;min-height:calc(100dvh - 160px);display:flex;flex-direction:column;gap:16px}h1,h2,p{margin:0}h1{font-size:29px;line-height:1.4;letter-spacing:-.4px}h2{font-size:21px;line-height:1.5}.eyebrow,.muted{color:var(--muted);font-size:14px}.lead{font-size:17px;color:#59615c}.test-notice{font-size:13px;text-align:center;background:#f0f5eb;color:#49624d;padding:5px 16px}.box{padding:18px;border-radius:18px;background:#f2f0e5;display:grid;gap:10px}.promise{background:#f0f5eb}.buttons{display:grid;gap:12px}.spacer{flex:1;min-height:12px}button,.button{font:inherit;line-height:1.5;padding:15px 16px;border-radius:14px;min-height:52px;cursor:pointer;border:1px solid var(--border);background:white;color:#292e2b;text-align:left;text-decoration:none;display:block;width:100%;overflow-wrap:anywhere}button.primary,.button.primary{background:var(--primary);color:white;text-align:center;border-color:var(--primary)}button.selected{border:2px solid var(--primary);background:#edf4ee}.text-button{border:0;background:transparent;width:auto;padding:6px;color:var(--primary);min-height:44px}button:disabled{opacity:.6;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #b98832;outline-offset:3px}input,select,textarea{font:inherit;padding:13px;border:1px solid var(--border);border-radius:12px;background:white;color:#142e24;width:100%;min-width:0}textarea{min-height:150px;resize:vertical}label{display:block}input[type=checkbox],input[type=radio]{width:20px;min-height:20px;flex:none;accent-color:var(--primary)}.check{display:flex;gap:10px;align-items:flex-start}.check input{margin-top:6px}.error{color:#a03125}.accent{color:#b84a29;font-size:23px;font-weight:700}form{display:grid;gap:16px;width:100%}ol,ul{margin:0;padding-left:24px}li{padding:5px 0}.row{display:flex;gap:10px;align-items:center}.row>*{min-width:0}.card{background:white;padding:18px;border:1px solid var(--border);border-radius:16px;display:grid;gap:10px}.small{font-size:14px}.share-card{background:#1c634f;color:white;padding:28px;border-radius:18px}.share-card p{color:#fff}.stack{display:grid;gap:16px}footer{text-align:center;padding:24px;font-size:13px;color:var(--muted)}footer a{color:var(--muted)}#message:not(:empty){position:sticky;bottom:8px;margin:8px auto;max-width:500px;padding:14px 20px;border-radius:14px;background:#253d37;color:white;z-index:10}progress{width:100%;accent-color:var(--primary)}details{border-top:1px solid var(--border);padding:14px 0}summary{cursor:pointer}.preserve{white-space:pre-wrap;overflow-wrap:anywhere}.answer{display:flex;gap:10px;align-items:flex-start}a{color:var(--primary)}@media(min-width:700px){main{margin-top:18px;border:1px solid #e5e6dd;border-radius:22px;min-height:740px}body{padding-bottom:28px}}@media(max-width:359px){main,header{padding-left:18px;padding-right:18px}h1{font-size:26px}}
dialog{width:min(90vw,32rem);max-height:85vh;overflow:auto;border:1px solid #b9c8c0;border-radius:16px}dialog::backdrop{background:#0006}pre{white-space:pre-wrap;overflow-wrap:anywhere}

/* Visual Sprint: semantic tokens; existing content and business actions preserved. */
:root{--background:#F6F3EC;--surface:#FFFDF8;--primary:#244C42;--text:#243C35;--muted:#627269;--border:#DBE0D5;--accent:#A06D3B;--soft:#EAF0E6;}
:root[data-theme="teal"]{--background:#F1F3F0;--surface:#FCFEFC;--primary:#24615A;--text:#263E3B;--muted:#5C726F;--border:#D3DEDA;--accent:#95623B;--soft:#E2EEEA;}
:root[data-theme="clay"]{--background:#F7F0E8;--surface:#FFFDF9;--primary:#455644;--text:#343F32;--muted:#697362;--border:#DDDCCF;--accent:#A0593E;--soft:#EEEBDD;}

:root{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:16px;line-height:1.65;background:var(--background);color:var(--text);--radius:20px;--shadow:0 8px 28px #22392f08}
body{padding-bottom:env(safe-area-inset-bottom)}header{padding:calc(12px + env(safe-area-inset-top)) 20px 12px;gap:8px;border-bottom:1px solid var(--border)}header a{font-size:15px}header .text-button{font-size:14px;padding:8px;flex:none}header>a:last-child{font-size:13px;font-weight:400}main{padding:28px 20px 40px;gap:20px}h1{font-size:28px;line-height:1.4;font-weight:600;letter-spacing:.2px}h2{font-size:20px;font-weight:600}.lead{font-size:16px;color:var(--muted)}.eyebrow{font-size:13px;letter-spacing:1px}.box,.card{border-radius:var(--radius);padding:20px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow)}.promise{background:var(--soft);border:0;border-left:3px solid var(--accent)}.box strong{color:var(--primary)}.accent{font-size:19px;color:var(--accent)}.buttons{gap:10px}button,.button{border-radius:14px;min-height:50px;padding:12px 16px;background:var(--surface);color:var(--text);transition:background .15s}button.primary,.button.primary{background:var(--primary);border-color:var(--primary);box-shadow:0 4px 12px #244c4214;font-weight:600}button.selected{background:var(--soft);border:2px solid var(--primary)}input,textarea,select{font-size:16px;background:var(--surface);color:var(--text);border-color:var(--border);min-height:48px}.muted,.small{font-size:14px;color:var(--muted)}.text-button{min-height:44px;color:var(--primary)}.test-notice{background:transparent;font-size:12px;color:var(--muted);text-align:left;max-width:520px;margin:auto;padding:8px 20px 0}footer{padding:20px 20px 88px}main>form{margin-top:4px}main>.buttons>button:not(.primary){border-color:var(--border)}main>section h2{margin-bottom:4px}article{padding:18px 0;border-top:1px solid var(--border)}h3{font-size:18px;margin:8px 0}.row{flex-wrap:wrap}#message:not(:empty){bottom:calc(74px + env(safe-area-inset-bottom));font-size:14px}.feedback-fab{position:fixed;right:max(16px,calc((100vw - 520px)/2 + 16px));bottom:calc(18px + env(safe-area-inset-bottom));width:auto;min-width:70px;min-height:44px;padding:9px 14px;background:var(--surface);color:var(--primary);box-shadow:0 4px 20px #20382b22;z-index:30;border:1px solid var(--border);font-size:14px}.feedback-sheet{margin: auto auto 0;width:min(100%,520px);max-width:520px;max-height:88dvh;border:0;border-radius:24px 24px 0 0;padding:20px 20px calc(20px + env(safe-area-inset-bottom));background:var(--surface);color:var(--text);overscroll-behavior:contain}.feedback-sheet::before{content:"";display:block;width:36px;height:4px;border-radius:4px;background:var(--border);margin:0 auto 16px}.feedback-sheet form{gap:12px}.feedback-sheet textarea{min-height:84px}.feedback-sheet label{font-size:14px}.feedback-types{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.feedback-types button{font-size:13px;min-height:44px;padding:8px 4px;text-align:center}.feedback-types button[aria-pressed=true]{background:var(--soft);border-color:var(--primary)}.feedback-dismiss{position:absolute;right:12px;top:12px;width:44px;padding:0;text-align:center;background:transparent;border:0}.reply-feedback{font-size:13px;min-height:44px;padding:8px 0;width:auto;color:var(--muted);background:none;border:0}.feedback-alert{padding:14px;border-left:4px solid #A03125;background:#FFF3ED}.feedback-summary{font-size:14px;background:var(--soft);padding:16px;border-radius:14px}dialog::backdrop{background:#132c2580}button:focus-visible,a:focus-visible{outline:3px solid var(--accent)}.error{padding:12px;background:#FFF2EE;border-radius:12px}@media(min-width:700px){main{border-color:var(--border);background:var(--surface);box-shadow:var(--shadow)}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}@media(max-width:389px){main,header{padding-left:18px;padding-right:18px}h1{font-size:26px}}

.day-preview{border:0;padding:0}.day-preview summary{min-height:44px;padding:12px 0;font-size:14px;color:var(--muted)}.day-preview .card{margin-top:8px}