*,*::before,*::after{box-sizing:border-box}*{margin:0;padding:0}:root{--bg:#f5f5f2;--surface:#fff;--text:#171915;--muted:#686b64;--border:#d8dad3;--accent:#c8ff00;--dark:#181b16;--danger:#8c2f23}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font:15px/1.55 Inter,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.wrap{width:min(1120px,calc(100% - 40px));margin:auto}:focus-visible{outline:2px solid var(--dark);outline-offset:3px}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border)}.header-inner{min-height:58px;display:flex;align-items:center;gap:28px}.brand{font-weight:750;display:flex;align-items:center;gap:8px}.brand-mark{width:11px;height:11px;border-radius:2px;background:var(--accent);border:1px solid #a9d400}.nav{display:flex;gap:20px;color:var(--muted);font-size:13px}.nav a:hover{color:var(--text)}.header-link{margin-left:auto;font-size:13px;font-weight:650}.hero{padding:56px 0 34px}.eyebrow{text-transform:uppercase;letter-spacing:.09em;font-size:11px;font-weight:700;color:var(--muted)}h1{max-width:820px;font-size:clamp(31px,5vw,52px);line-height:1.05;letter-spacing:-.035em;margin-top:8px}h2{font-size:24px;line-height:1.2;letter-spacing:-.02em}h3{font-size:16px}.lead{max-width:720px;margin-top:14px;color:var(--muted);font-size:17px}.breadcrumb{padding-top:24px;color:var(--muted);font-size:13px}.breadcrumb a{text-decoration:underline;text-underline-offset:3px}.page-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:22px;padding:0 0 56px}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:24px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label,.group-title{font-size:12px;font-weight:650;color:var(--muted)}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--text);font:inherit;padding:10px 11px}input,select{height:42px}textarea{min-height:150px;resize:vertical}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--text)}.fieldset{grid-column:1/-1;border:1px solid var(--border);border-radius:8px;padding:16px}.fieldset legend{padding:0 7px;font-weight:700}.action{grid-column:1/-1;display:flex;align-items:center;gap:14px;flex-wrap:wrap}.btn{border:1px solid var(--dark);border-radius:6px;background:var(--dark);color:#fff;padding:10px 16px;font:650 14px inherit;cursor:pointer}.btn:hover{background:#2b2e28}.btn-accent{background:var(--accent);border-color:#a9d400;color:var(--text)}.btn-accent:hover{background:#b7e900}.small{font-size:12px;color:var(--muted)}.result{background:var(--dark);color:#fff;min-height:240px}.result h2{color:var(--accent)}.result-empty{margin-top:14px;color:rgba(255,255,255,.65)}.metrics{display:grid;gap:12px;margin-top:18px}.metric{padding-top:12px;border-top:1px solid rgba(255,255,255,.16)}.metric dt{font-size:12px;color:rgba(255,255,255,.6)}.metric dd{font-size:22px;font-weight:700}.result-note{margin-top:18px;color:rgba(255,255,255,.68);font-size:13px}.notice{border-left:4px solid var(--accent);padding:12px 14px;background:#eef7d0;margin-top:18px;font-size:13px}.warning{border-left-color:#e6a23c;background:#fff5dc}.section{padding:42px 0;border-top:1px solid var(--border)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}.link-card{display:block;background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:20px}.link-card:hover{border-color:#999d92;transform:translateY(-1px)}.link-card p{color:var(--muted);font-size:13px;margin-top:7px}.link-card span{display:inline-block;margin-top:12px;font-size:13px;font-weight:700}.article-list{display:grid;gap:1px;margin-top:20px;border:1px solid var(--border);border-radius:9px;overflow:hidden;background:var(--border)}.article-row{background:var(--surface);padding:18px 20px}.article-row p{margin-top:5px;color:var(--muted)}.prose{max-width:780px}.prose h2{margin-top:34px}.prose p,.prose ul,.prose ol{margin-top:12px}.prose ul,.prose ol{padding-left:20px}.site-footer{background:var(--dark);color:rgba(255,255,255,.65);padding:28px 0}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.footer-links{display:flex;gap:18px;font-size:13px}.footer-links a:hover{color:#fff}@media(max-width:820px){.page-grid{grid-template-columns:1fr}.cards{grid-template-columns:1fr 1fr}.nav{width:100%;overflow:auto;padding-bottom:10px}.header-inner{flex-wrap:wrap;padding-top:10px}.header-link{margin-left:auto}}@media(max-width:560px){.wrap{width:min(100% - 28px,1120px)}.hero{padding-top:36px}.form-grid,.cards{grid-template-columns:1fr}.field.full,.fieldset,.action{grid-column:auto}.card{padding:18px}.header-link{display:none}}
body{overflow-wrap:anywhere}.card,.page-grid>*{min-width:0}.nav a{padding:10px 0}.btn{min-height:42px}.prose a:not(.btn){text-decoration:underline;text-underline-offset:3px}.result-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.result-chip{border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:4px 9px;color:rgba(255,255,255,.72);font-size:11px}.result-route{margin-top:16px;color:rgba(255,255,255,.72)}.result>[data-trip-result-cost]{margin-top:6px;font-size:clamp(32px,6vw,48px)}
.trip-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(360px,.75fr);gap:22px;align-items:start;padding-bottom:56px}.trip-form{display:grid;gap:16px}.trip-step{display:grid;gap:18px}.step-heading{display:flex;align-items:center;gap:12px}.step-heading>span{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--accent);font-weight:800}.vehicle-summary{display:grid;gap:2px;padding:14px;border-radius:8px;background:#f0f2ec}.vehicle-summary span,.vehicle-summary small{color:var(--muted)}.check-row{display:flex;align-items:center;gap:9px;font-size:13px}.check-row input{width:18px;height:18px}.source-line{font-size:13px;font-weight:700}.advanced summary{cursor:pointer;font-weight:750}.advanced[open] summary{margin-bottom:12px}.advanced-grid{margin-top:16px}.trip-submit{width:100%;font-size:16px}.trip-result{position:sticky;top:80px}.trip-result h2{margin-top:14px;color:#fff}.trip-result>[data-trip-result-duration]{color:rgba(255,255,255,.65);font-size:13px}.result-car{margin-top:18px;color:var(--accent);font-weight:700}.hero-metric{margin-top:22px;padding:16px 0;border-block:1px solid rgba(255,255,255,.16)}.hero-metric span{display:block;color:rgba(255,255,255,.65);font-size:12px}.hero-metric strong{display:block;font-size:44px;line-height:1.1}.result-grid{grid-template-columns:1fr 1fr}.result-explain{margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16)}.result-explain h3{color:var(--accent)}.result-explain p,.result-explain ul{margin-top:10px;color:rgba(255,255,255,.75);font-size:13px}.result-explain ul{padding-left:18px}.scenarios{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.scenario{display:grid;gap:3px;padding:10px;border:1px solid rgba(255,255,255,.16);border-radius:7px}.scenario span{font-size:11px;color:rgba(255,255,255,.65)}.scenario b{color:var(--accent)}
@media(max-width:900px){.trip-layout{grid-template-columns:1fr}.trip-result{position:static}}
@media(max-width:560px){.wrap{width:min(1120px,calc(100% - 28px))}.result-grid,.scenarios{grid-template-columns:1fr}.hero-metric strong{font-size:36px}}
.vehicle-context{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;padding:14px 18px;background:#eef7d0;border-left:4px solid var(--accent);border-radius:6px}.vehicle-context p{font-size:13px;color:var(--muted)}@media(max-width:560px){.vehicle-context{align-items:flex-start;flex-direction:column}}

.table-scroll{overflow-x:auto;margin-top:16px}.prose table{width:100%;border-collapse:collapse}.prose th,.prose td{text-align:left;padding:10px;border:1px solid var(--border)}.prose h3{margin-top:20px}.prose section{margin-bottom:24px}.nav{white-space:nowrap}input[hidden]{display:none}