/* 2026-10-05 文星 RF 設計工具共用樣式（亮色高科技風） */
:root{--b:#0162af;--b2:#2fb5e8;--ink:#0b2a4a;--tx:#1d3b58;--mut:#5a6b7c;--ln:#dbe8f4;--bg:#f4f8fc;--y:#f6b500}
*{box-sizing:border-box}
body.wt{margin:0;background:var(--bg);color:var(--tx);font-family:"Segoe UI",Arial,"Microsoft JhengHei",sans-serif;line-height:1.65}
.wt a{color:var(--b)}
.wt-top{background:var(--b);color:#fff}
.wt-top .in{max-width:1180px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:18px}
.wt-top .logo{color:#fff;font-weight:800;font-size:20px;text-decoration:none;letter-spacing:.02em}
.wt-top nav{margin-left:auto;display:flex;gap:16px;font-size:14px}
.wt-top nav a{color:#d7ecfb;text-decoration:none}.wt-top nav a:hover{color:#fff}
.wt-wrap{max-width:1180px;margin:0 auto;padding:18px 20px 40px}
.wt-crumb{font-size:13px;color:var(--mut);margin-bottom:12px}.wt-crumb a{text-decoration:none}
.wt-hero{background:linear-gradient(135deg,#eef6fd,#fff 55%,#e6f1fb);border:1px solid var(--ln);border-radius:16px;padding:24px 26px;margin-bottom:18px}
.wt-hero .k{font-size:12px;letter-spacing:.14em;font-weight:700;color:#007a73}
.wt-hero h1{margin:6px 0 8px;font-size:28px;color:var(--ink);line-height:1.3}
.wt-hero p{margin:0;color:var(--mut)}
.wt-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.wt-chips span{background:#fff;border:1px solid var(--ln);border-radius:999px;padding:4px 12px;font-size:13px}
.wt-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:18px;align-items:start}
.wt-card{background:#fff;border:1px solid var(--ln);border-radius:14px;padding:18px 18px 16px;box-shadow:0 6px 18px rgba(1,98,175,.06);margin-bottom:18px}
.wt-card h2{font-size:18px;margin:0 0 12px;color:var(--ink);padding-bottom:10px;border-bottom:2px solid #e3eef8;position:relative}
.wt-card h2:after{content:"";position:absolute;left:0;bottom:-2px;width:56px;height:2px;background:linear-gradient(90deg,var(--b),var(--b2))}
.wt-card h3{font-size:15px;margin:14px 0 8px;color:var(--ink)}
.wt-f{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.wt-f label{display:flex;flex-direction:column;font-size:13px;color:var(--mut);gap:4px}
.wt-f label b{color:var(--ink);font-size:14px}
.wt input[type=text],.wt input:not([type]),.wt select{width:100%;padding:8px 10px;border:1px solid #c9d8e6;border-radius:8px;font-size:15px;color:var(--ink);background:#fff}
.wt input:focus{outline:2px solid #9ccbee;border-color:var(--b)}
.wt-u{display:flex;align-items:center;gap:6px}.wt-u i{font-style:normal;font-size:12.5px;color:var(--mut);white-space:nowrap}
.wt-btns{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.wt-btn{border:0;border-radius:9px;padding:10px 22px;font-size:15px;font-weight:700;cursor:pointer;background:var(--y);color:#10243a}
.wt-btn.g{background:#fff;color:var(--b);border:1px solid var(--b)}
.wt-res{width:100%;border-collapse:separate;border-spacing:0;font-size:14px}
.wt-res th{background:var(--b);color:#fff;font-weight:600;padding:8px 10px;text-align:left}
.wt-res th:first-child{border-radius:8px 0 0 0}.wt-res th:last-child{border-radius:0 8px 0 0}
.wt-res td{padding:6px 8px;border-bottom:1px solid #e8f0f7}
.wt-res td.l{font-weight:700;color:var(--ink);width:56px}
.wt-res input{background:#f6fafd!important;font-family:Consolas,monospace;font-size:14px!important}
.wt-res tr.hl td{background:#fff8e3}
.wt-svg{width:100%;height:auto;display:block;background:#f8fbfe;border:1px solid #e3eef8;border-radius:10px}
.wt-tabs{display:flex;gap:6px;margin-bottom:10px}
.wt-tabs button{border:1px solid var(--ln);background:#fff;border-radius:8px;padding:6px 12px;font-size:13px;cursor:pointer;color:var(--tx)}
.wt-tabs button.on{background:var(--b);color:#fff;border-color:var(--b)}
.wt-steps{counter-reset:s;list-style:none;padding:0;margin:0}
.wt-steps li{counter-increment:s;position:relative;padding:0 0 10px 36px}
.wt-steps li:before{content:counter(s);position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;background:var(--b);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.wt-eq{background:#0b2a4a;color:#e6f3ff;border-radius:10px;padding:12px 16px;font-family:Consolas,"Cambria Math",monospace;font-size:14.5px;line-height:1.9;overflow-x:auto}
.wt-eq em{color:#ffd76a;font-style:normal}
.wt-note{background:#fff8e3;border-left:4px solid var(--y);padding:10px 14px;border-radius:6px;font-size:14px}
.wt-faq dt{font-weight:700;color:var(--ink);margin-top:10px}.wt-faq dt:before{content:"Q";display:inline-block;background:var(--b);color:#fff;border-radius:6px;padding:0 7px;margin-right:8px;font-size:13px}
.wt-faq dd{margin:4px 0 0 32px;color:var(--mut)}
.wt-rel{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.wt-rel a{display:block;background:#fff;border:1px solid var(--ln);border-radius:10px;padding:10px 12px;text-decoration:none;font-size:14px;color:var(--tx)}
.wt-rel a:hover{border-color:#9ccbee;box-shadow:0 6px 14px rgba(1,98,175,.1)}
.wt-cta{background:linear-gradient(135deg,#0b4f8c,#0162af 55%,#1e9bd7);color:#fff;border-radius:14px;padding:20px 24px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.wt-cta p{margin:0;flex:1;min-width:240px}.wt-cta a{background:var(--y);color:#10243a;border-radius:9px;padding:9px 18px;font-weight:700;text-decoration:none}
.wt-foot{text-align:center;color:var(--mut);font-size:12.5px;padding:18px}
@media(max-width:860px){.wt-grid{grid-template-columns:1fr}.wt-hero h1{font-size:23px}.wt-top nav{display:none}}