:root{--bg:#f6f7f2;--surface:#fff;--text:#18201b;--muted:#687169;--line:#dfe5dc;--green:#2f8f6b;--blue:#2877b8;--coral:#d9634f;--amber:#b7791f;--shadow:0 14px 40px #18201b14}*{box-sizing:border-box}html,body{background:var(--bg);min-height:100%;color:var(--text);margin:0;font-family:Arial,Microsoft YaHei,sans-serif}button,input,select{font:inherit}button{cursor:pointer;border:0}a{color:inherit;text-decoration:none}.app-shell{width:min(100%,1120px);min-height:100vh;margin:0 auto;padding:22px 18px 96px}.screen-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:22px;display:flex}.eyebrow{color:var(--green);margin:0 0 6px;font-size:13px;font-weight:700}h1,h2,h3,p{margin-top:0}h1{margin-bottom:0;font-size:30px;line-height:1.15}h2{margin-bottom:14px;font-size:20px}h3{margin-bottom:8px;font-size:16px}.panel{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px;margin-bottom:16px;padding:18px}.hero-panel{color:#fff;background-color:#0000;background-image:linear-gradient(135deg,#2f8f6bf5,#2877b8f0),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='360' viewBox='0 0 600 360'%3E%3Cpath fill='none' stroke='rgba(255,255,255,.22)' stroke-width='4' d='M32 284 C112 190 198 232 278 144 S454 64 568 116'/%3E%3Ccircle cx='112' cy='190' r='7' fill='rgba(255,255,255,.42)'/%3E%3Ccircle cx='278' cy='144' r='7' fill='rgba(255,255,255,.42)'/%3E%3Ccircle cx='454' cy='64' r='7' fill='rgba(255,255,255,.42)'/%3E%3C/svg%3E");background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:cover;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box}.hero-panel .muted{color:#fffc}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:16px;display:grid}.metric{border:1px solid var(--line);background:#fbfcf9;border-radius:8px;min-height:86px;padding:14px}.metric-label{color:var(--muted);margin-bottom:8px;font-size:13px}.metric-value{font-size:24px;font-weight:800}.main-weight{margin:10px 0 0;font-size:clamp(54px,16vw,82px);font-weight:900;line-height:.95}.unit{font-size:18px;font-weight:700}.muted{color:var(--muted)}.status-badge{white-space:nowrap;border-radius:999px;align-items:center;min-height:30px;padding:0 10px;font-size:13px;font-weight:700;display:inline-flex}.status-collecting{color:#5d4b13;background:#fff2c2}.status-normal{color:#1d5f7f;background:#dff1fb}.status-good{color:#176247;background:#dcf4e9}.status-warning,.status-too-fast{color:#873728;background:#ffe1da}.form-grid{gap:12px;display:grid}.field{gap:7px;display:grid}.field label{color:var(--muted);font-size:13px;font-weight:700}.field input,.field select{width:100%;min-height:46px;color:var(--text);border:1px solid var(--line);background:#fff;border-radius:8px;padding:0 12px}.button-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.primary-button,.secondary-button,.icon-button{border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:44px;font-weight:800;display:inline-flex}.primary-button{color:#fff;background:var(--green);padding:0 16px}.secondary-button{color:var(--text);background:#edf3ee;padding:0 14px}.icon-button{width:42px;color:var(--text);background:#edf3ee}.danger{color:#fff;background:var(--coral)}.trend-line{width:100%;height:auto;display:block}.trend-line line{stroke:#cfd8cf;stroke-width:1.5px}.trend-line path{fill:none;stroke:var(--blue);stroke-width:4px;stroke-linecap:round;stroke-linejoin:round}.trend-line circle{fill:var(--green);stroke:#fff;stroke-width:2px}.chart-empty{color:var(--muted);border:1px dashed var(--line);background:#fbfcf9;border-radius:8px;place-items:center;display:grid}.home-layout,.content-grid,.stack{gap:16px;display:grid}.record-list,.admin-list{gap:10px;display:grid}.record-item{border:1px solid var(--line);background:#fff;border-radius:8px;grid-template-columns:1fr auto;align-items:center;gap:12px;padding:14px;display:grid}.record-actions{gap:8px;display:flex}.tabs{border:1px solid var(--line);background:#fff;border-radius:8px;padding:4px;display:inline-flex}.tabs button{min-width:76px;min-height:36px;color:var(--muted);background:0 0;border-radius:6px;font-weight:800}.tabs button.active{color:#fff;background:var(--blue)}.notice,.error{border-radius:8px;margin-bottom:14px;padding:12px 14px}.notice{color:#375142;background:#e7f4ec}.error{color:#873728;background:#ffe1da}.bottom-nav{z-index:10;border-top:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff2;grid-template-columns:repeat(4,1fr);width:min(100%,720px);display:grid;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.nav-item{min-height:66px;color:var(--muted);justify-items:center;gap:4px;padding:9px 0 8px;font-size:12px;font-weight:800;display:grid}.nav-item.active{color:var(--green)}@media (min-width:640px){.app-shell{padding-top:34px}.metric-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.form-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:920px){.app-shell{padding:34px 28px 40px 226px}.home-layout{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);align-items:start}.content-grid{grid-template-columns:minmax(320px,.9fr) minmax(0,1.1fr);align-items:start}.bottom-nav{border:1px solid var(--line);width:172px;box-shadow:var(--shadow);border-radius:8px;flex-direction:column;gap:4px;padding:8px;display:flex;top:34px;bottom:auto;left:max(20px,50vw - 532px);transform:none}.nav-item{border-radius:8px;grid-template-columns:24px 1fr;place-items:center start;min-height:46px;padding:0 10px;font-size:14px}.nav-item.active{background:#e7f4ec}}