.epc-tool{--g:#1d4ed8;--g2:#3b82f6;--bd:#dbe3f4;--bg:#f5f8ff;--tx:#1b2a20;--mut:#5c6b61;--red:#c0392b;--amb:#b7791f;color:var(--tx);font-size:16px;line-height:1.55;margin:24px 0;box-sizing:border-box}
.epc-tool *,.epc-tool *:before,.epc-tool *:after{box-sizing:border-box}
.epc-loading{padding:20px;text-align:center;color:var(--mut)}
.epc-card{background:#fff;border:1px solid var(--bd);border-radius:14px;padding:20px;box-shadow:0 4px 18px rgba(7,94,36,.06);margin-bottom:18px}
.epc-card h3,.epc-card h4{margin:0 0 12px;font-size:1.15em;color:var(--g);line-height:1.3}
.epc-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.epc-field{display:flex;flex-direction:column;gap:6px}
.epc-field>span,.epc-lbl{font-weight:600;font-size:.92em}
.epc-tool select,.epc-tool input[type=date],.epc-tool input[type=number],.epc-tool input[type=text],.epc-tool input[type=search]{width:100%;padding:10px 12px;border:1px solid var(--bd);border-radius:10px;font-size:15px;background:#fff;color:var(--tx);min-height:44px}
.epc-tool select:focus,.epc-tool input:focus{outline:2px solid var(--g2);outline-offset:1px}
.epc-seg{display:flex;flex-wrap:wrap;gap:8px}
.epc-seg label{flex:1 1 auto;min-width:90px;cursor:pointer}
.epc-seg input{position:absolute;opacity:0;pointer-events:none}
.epc-seg span{display:block;text-align:center;padding:10px 12px;border:1px solid var(--bd);border-radius:10px;background:#fff;font-weight:600;font-size:.92em;transition:.15s}
.epc-seg input:checked+span{background:var(--g);border-color:var(--g);color:#fff}
.epc-seg input:disabled+span{opacity:.4;cursor:not-allowed}
.epc-seg input:focus-visible+span{outline:2px solid var(--g2);outline-offset:2px}
.epc-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:10px;border:1px solid var(--g);background:var(--g);color:#fff!important;font-weight:700;font-size:15px;cursor:pointer;text-decoration:none!important;min-height:44px;line-height:1.2}
.epc-btn:hover{background:var(--g2)}
.epc-btn.alt{background:#fff;color:var(--g)!important}
.epc-btn.alt:hover{background:var(--bg)}
.epc-btn:disabled{opacity:.5;cursor:not-allowed}
.epc-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.epc-result{background:var(--bg);border:1px solid var(--bd);border-radius:14px;padding:18px;text-align:center}
.epc-big{font-size:2.2em;font-weight:800;color:var(--g);line-height:1.1;margin:6px 0}
.epc-mut{color:var(--mut);font-size:.9em}
.epc-note{background:#fffbea;border:1px solid #f1e3a6;border-radius:10px;padding:10px 14px;font-size:.92em;margin-top:12px}
.epc-ok{color:var(--g)}.epc-bad{color:var(--red)}.epc-warn{color:var(--amb)}
.epc-pill{display:inline-block;padding:3px 10px;border-radius:99px;font-size:.82em;font-weight:700;background:var(--bg);border:1px solid var(--bd)}
.epc-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.epc-tool table{width:100%;border-collapse:collapse;font-size:.93em;margin:0}
.epc-tool th,.epc-tool td{border:1px solid var(--bd);padding:9px 10px;text-align:left;vertical-align:top}
.epc-tool th{background:var(--g);color:#fff;font-weight:700}
.epc-tool tr:nth-child(even) td{background:#fafcfb}
.epc-tool td.hl{background:#e6efff!important;font-weight:700}
.epc-steps{counter-reset:s;list-style:none;padding:0;margin:0}
.epc-check{list-style:none;padding:0;margin:0}
.epc-check li{position:relative;padding:9px 10px 9px 38px;border-bottom:1px dashed var(--bd)}
.epc-check li:before{content:"";position:absolute;left:8px;top:11px;width:18px;height:18px;border:2px solid var(--g);border-radius:4px}
.epc-check li.opt:before{border-style:dashed;border-color:var(--mut)}
.epc-check small{display:block;color:var(--mut)}
/* photo tool */
.epc-drop{border:2px dashed var(--g);border-radius:14px;background:var(--bg);padding:28px 16px;text-align:center;cursor:pointer}
.epc-drop.drag{background:#e6efff}
.epc-drop strong{display:block;font-size:1.1em;color:var(--g);margin-bottom:4px}
.epc-editor{display:grid;gap:18px;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
@media(max-width:760px){.epc-editor{grid-template-columns:1fr}}
.epc-stage{position:relative;margin:0 auto;touch-action:none;user-select:none;border-radius:6px;overflow:hidden;background:repeating-conic-gradient(#e9ecea 0 25%,#fff 0 50%) 0 0/18px 18px;box-shadow:0 0 0 1px var(--bd)}
.epc-stage canvas{display:block;width:100%;height:100%;cursor:grab}
.epc-stage canvas:active{cursor:grabbing}
.epc-tool input[type=range]{width:100%;accent-color:var(--g)}
.epc-swatches{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.epc-swatch{width:34px;height:34px;border-radius:50%;border:2px solid var(--bd);cursor:pointer;padding:0}
.epc-swatch.on{outline:3px solid var(--g);outline-offset:2px}
.epc-swatch.tr{background:repeating-conic-gradient(#ccc 0 25%,#fff 0 50%) 0 0/10px 10px}
.epc-spec{font-size:.9em;margin:8px 0 0;padding:0;list-style:none}
.epc-spec li{padding:3px 0}
.epc-progress{height:6px;background:var(--bd);border-radius:6px;overflow:hidden;margin-top:8px}
.epc-progress i{display:block;height:100%;width:30%;background:var(--g);animation:epcbar 1.1s infinite ease-in-out}
@keyframes epcbar{0%{margin-left:-30%}100%{margin-left:100%}}
.epc-thumb{max-width:100%;border:1px solid var(--bd);border-radius:6px;background:repeating-conic-gradient(#e9ecea 0 25%,#fff 0 50%) 0 0/14px 14px}
.epc-hide{display:none!important}
@media print{body *{visibility:hidden}.epc-print,.epc-print *{visibility:visible}.epc-print{position:absolute;left:0;top:0;width:100%}.epc-noprint{display:none!important}}
.epc-head{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;background:linear-gradient(120deg,#064a1d,#0b7a31);color:#fff;border-radius:14px;padding:16px 20px;margin-bottom:18px}
.epc-head strong{display:block;font-size:1.25em;line-height:1.2}
.epc-head span{font-size:.88em;opacity:.92}
.epc-head .epc-pill{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.3);color:#fff;opacity:1}
.epc-num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--g);color:#fff;font-style:normal;font-size:.8em;margin-right:8px;vertical-align:1px}
.epc-chiprow{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.epc-chip{border:1px solid var(--bd);background:#fff;color:var(--tx);border-radius:99px;padding:6px 12px;font-size:.85em;font-weight:600;cursor:pointer;line-height:1.2}
.epc-chip:hover{border-color:var(--g);color:var(--g)}
.epc-chip.on{background:var(--g);border-color:var(--g);color:#fff}
.epc-specgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-top:14px}
.epc-spec-i{background:var(--bg);border:1px solid var(--bd);border-radius:10px;padding:10px 12px}
.epc-spec-i small{display:block;color:var(--mut);font-size:.78em;text-transform:uppercase;letter-spacing:.03em}
.epc-spec-i b{display:block;font-size:.98em;margin-top:2px}
.epc-sum{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.86em;color:var(--g);font-weight:600;margin-top:12px}
/* v2 app layout */
.epc-tool{--gd:#0b1f4d}
.epc-head{background:radial-gradient(circle at 85% -20%,rgba(255,255,255,.18),transparent 45%),linear-gradient(120deg,var(--gd),var(--g) 60%,var(--g2));box-shadow:0 10px 30px rgba(29,78,216,.25)}
.epc-btn{background:linear-gradient(135deg,var(--g),var(--g2));border-color:var(--g);box-shadow:0 4px 12px rgba(29,78,216,.25)}
.epc-btn:hover{filter:brightness(1.07)}
.epc-btn.alt{background:#fff;box-shadow:none}
.epc-sizepick{background:linear-gradient(135deg,#eef4ff,#fff);border-color:#c7d7fb}
.epc-guide{color:var(--g)!important;font-weight:700;text-decoration:none!important}
.epc-guide:hover{text-decoration:underline!important}
.epc-app{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:22px;background:#fff;border:1px solid var(--bd);border-radius:18px;padding:22px;box-shadow:0 18px 40px rgba(15,35,90,.10)}
@media(max-width:820px){.epc-app{grid-template-columns:1fr;padding:14px}}
.epc-app-l{min-width:0}
@media(min-width:821px){.epc-app-l{position:sticky;top:90px;align-self:start}}
.epc-stagebox{background:repeating-conic-gradient(#edf1fa 0 25%,#f8faff 0 50%) 0 0/20px 20px;border-radius:14px;padding:16px;display:flex;justify-content:center}
.epc-stage{box-shadow:0 6px 20px rgba(0,0,0,.12);background:#fff}
.epc-ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;background:rgba(255,255,255,.55);border:0;cursor:pointer;color:var(--g);font-weight:700}
.epc-ph b{font-size:42px;line-height:1;width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--g),var(--g2));color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(7,94,36,.35)}
.epc-ph small{color:var(--mut);font-weight:500}
.epc-dims{text-align:center;font-size:.85em;color:var(--mut);margin:8px 0 4px;font-weight:600}
.epc-mini{justify-content:space-between;margin:8px 0}
.epc-mini .epc-btn{padding:7px 12px;min-height:36px;font-size:14px}
.epc-range span{display:flex;justify-content:space-between}
.epc-range em{font-style:normal;color:var(--g);font-weight:700}
.epc-checks{margin-top:14px;background:var(--bg);border:1px solid var(--bd);border-radius:12px;padding:12px 14px}
.epc-checks ul{list-style:none;margin:6px 0 0;padding:0}
.epc-checks li{position:relative;padding:4px 0 4px 26px;font-size:.9em}
.epc-checks li:before{position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;color:#fff}
.epc-checks li.ok:before{content:"✓";background:var(--g)}
.epc-checks li.warn:before{content:"!";background:var(--amb)}
.epc-checks li.wait:before{content:"…";background:#9aa7a0}
.epc-stepper{display:flex;gap:6px;list-style:none;margin:0 0 16px;padding:0;overflow-x:auto}
.epc-stepper li{flex:1 1 0;min-width:72px}
.epc-stepper button{width:100%;display:flex;flex-direction:column;align-items:center;gap:4px;background:none;border:0;border-bottom:3px solid var(--bd);padding:6px 2px 8px;cursor:pointer;color:var(--mut);font-weight:600;font-size:.82em}
.epc-stepper i{font-style:normal;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#eef2ef;color:var(--mut)}
.epc-stepper .done i{background:#dbe7ff;color:var(--g)}
.epc-stepper .on{border-color:var(--g);color:var(--g)}
.epc-stepper .on i{background:var(--g);color:#fff}
.epc-panel h3{margin:0 0 12px;font-size:1.15em;color:var(--tx)}
.epc-nav{display:flex;justify-content:space-between;gap:10px;margin-top:18px;padding-top:14px;border-top:1px solid var(--bd)}
.epc-tips{list-style:none;padding:0;margin:12px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:6px}
@media(max-width:520px){.epc-tips{grid-template-columns:1fr}}
.epc-tips li{font-size:.86em;background:var(--bg);border-radius:8px;padding:7px 10px 7px 28px;position:relative}
.epc-tips li:before{content:"✓";position:absolute;left:10px;color:var(--g);font-weight:700}
.epc-status{font-size:.9em;margin-top:10px;color:var(--tx)}
.epc-subcard{border:1px solid var(--bd);border-radius:12px;padding:14px;margin-bottom:12px}
/* tools grid */
.epc-grid-tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin:10px 0}
.epc-tcard{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--bd);border-radius:16px;padding:20px;text-decoration:none!important;color:var(--tx)!important;transition:.2s;box-shadow:0 4px 14px rgba(7,94,36,.05)}
.epc-tcard:hover{transform:translateY(-4px);border-color:var(--g2);box-shadow:0 16px 34px rgba(29,78,216,.18)}
.epc-ticon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--g),var(--g2));display:flex;align-items:center;justify-content:center;color:#fff}
.epc-ticon svg{width:26px;height:26px}
.epc-tcard strong{font-size:1.08em;line-height:1.3}
.epc-tcard span{color:var(--mut);font-size:.9em;line-height:1.5}
.epc-tcard em{font-style:normal;color:var(--g);font-weight:700;font-size:.9em;margin-top:auto}
.epc-tbadge{align-self:flex-start;font-size:.72em;font-weight:700;background:#fff3cd;color:#8a6d00;border-radius:99px;padding:2px 8px}
.epc-gridhead{text-align:center;margin-bottom:22px}
.epc-gridhead h2{margin:0 0 6px}
.epc-gridhead p{margin:0;color:var(--mut)}