:root{color-scheme:light;--ink:#173d37;--muted:#6f817a;--green:#187b62;--green-dark:#123b35;--mint:#e9f4ee;--line:#e1e9e3;--paper:#f7f8f3;--white:#fff;--gold:#d8a54c;font-family:"DM Sans","Noto Sans SC",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{background:var(--paper);scroll-behavior:smooth}body{margin:0;color:var(--ink);min-width:320px}button,input,select{font:inherit}
.topbar{height:72px;padding:0 max(24px,calc((100vw - 1160px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(23,61,55,.08);background:rgba(255,255,255,.84)}
.brand{display:inline-flex;gap:10px;align-items:center;color:var(--ink);font-size:18px;font-weight:700;text-decoration:none;letter-spacing:.06em}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:11px;color:white;background:var(--green);font-size:16px}
.city-pill{display:flex;gap:8px;align-items:center;padding:8px 12px;border:1px solid var(--line);border-radius:99px;color:var(--muted);background:white;font-size:12px}.live-dot{width:7px;height:7px;border-radius:50%;background:#5cb78a;box-shadow:0 0 0 3px #e3f5e9}
main{width:min(1160px,calc(100% - 40px));margin:0 auto}.hero{padding:54px 0 34px}.eyebrow{margin:0 0 11px;color:var(--green);font-size:10px;font-weight:700;letter-spacing:.19em}
h1,h2,p{margin-top:0}h1{margin-bottom:16px;font-size:clamp(34px,5vw,54px);line-height:1.2;letter-spacing:-.045em}h1 em{color:var(--green);font-style:normal}.hero-copy{max-width:620px;margin-bottom:18px;color:var(--muted);font-size:14px;line-height:1.8}.hero-note{display:inline-flex;align-items:center;gap:8px;color:#63766e;font-size:12px}.hero-note span{color:var(--gold)}
.planner-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(330px,.85fr);gap:22px;align-items:start}.panel{border:1px solid rgba(29,68,59,.1);border-radius:20px;background:var(--white);box-shadow:0 12px 34px rgba(23,61,55,.045)}.form-panel{padding:28px}
.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.section-heading h2,.results-panel h2{margin:0;font-size:22px;letter-spacing:-.035em}.step-badge{padding:7px 10px;border-radius:7px;color:var(--green);background:var(--mint);font-size:10px;font-weight:700;letter-spacing:.08em}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px 13px;margin-bottom:19px}.field{display:flex;min-width:0;flex-direction:column;gap:7px;color:#526b62;font-size:12px;font-weight:600}.field-wide{grid-column:1/-1}
input,select{width:100%;min-height:43px;border:1px solid var(--line);border-radius:9px;outline:none;padding:0 12px;color:var(--ink);background:#fcfdfb;font-size:13px;transition:border-color .18s,box-shadow .18s}
input:focus,select:focus{border-color:#69ae91;box-shadow:0 0 0 3px rgba(74,158,119,.12)}input[type=date],input[type=time]{padding-right:8px}select[multiple]{padding:8px}select[multiple] option{border-radius:6px;padding:7px 6px}.input-suffix{display:flex;align-items:center;min-height:43px;border:1px solid var(--line);border-radius:9px;background:#fcfdfb}.input-suffix span{padding-left:12px;color:var(--green)}.input-suffix input{min-height:41px;border:0;background:transparent;box-shadow:none}.hint{margin:0;color:#85938d;font-size:10px;font-weight:400;line-height:1.6}
.choice-fieldset{margin:0 0 19px;padding:0;border:0}.choice-fieldset legend{width:100%;margin-bottom:10px;color:#526b62;font-size:12px;font-weight:600}.choice-fieldset legend small{margin-left:5px;color:#9aa7a1;font-size:10px;font-weight:400}.chip-list{display:flex;flex-wrap:wrap;gap:8px}.chip-option{position:relative}.chip-option input{position:absolute;width:1px;height:1px;min-height:1px;opacity:0}.chip-option span{display:inline-flex;min-height:34px;align-items:center;padding:0 12px;border:1px solid var(--line);border-radius:99px;color:#61776d;background:#fff;font-size:11px;cursor:pointer;transition:.16s ease}.chip-option input:checked+span{border-color:#9bcbb1;color:#126047;background:#edf7f0}.chip-option input:focus-visible+span{outline:3px solid rgba(74,158,119,.25)}
.place-picker{padding-top:17px;border-top:1px solid #edf1ed}.place-picker-columns{display:grid;grid-template-columns:1fr 1fr;gap:12px}.custom-place{margin:3px 0 22px;border-top:1px solid #edf1ed;border-bottom:1px solid #edf1ed;padding:13px 0}.custom-place summary{color:var(--green);cursor:pointer;font-size:12px;font-weight:700}.custom-place>p{margin:10px 0 14px}.custom-place .form-grid{margin-bottom:12px}
.form-actions{display:flex;align-items:center;gap:10px}.button{display:inline-flex;min-height:45px;align-items:center;justify-content:center;gap:12px;padding:0 18px;border:0;border-radius:9px;cursor:pointer;font-size:12px;font-weight:700;transition:transform .15s,background .15s}.button:hover{transform:translateY(-1px)}.button-primary{color:white;background:var(--green);box-shadow:0 5px 13px rgba(24,123,98,.19)}.button-primary:hover{background:#116a54}.button-secondary{min-height:37px;color:var(--green);background:var(--mint)}.button-quiet{color:var(--muted);background:transparent}.privacy-note{margin:16px 0 0;color:#93a099;font-size:10px}.privacy-note span{color:#4a9a77}
.results-panel{min-height:500px;padding:27px}.empty-state{display:flex;min-height:440px;flex-direction:column;align-items:center;justify-content:center;text-align:center}.empty-illustration{position:relative;display:grid;width:94px;height:94px;place-items:center;margin:0 0 25px;border:1px solid #d9ece0;border-radius:29px;color:var(--green);background:radial-gradient(circle at 70% 28%,#f8eecf 0 8%,transparent 9%),linear-gradient(145deg,#eff8f0,#e8f4ee);font-size:39px;font-weight:800;transform:rotate(-6deg)}.empty-illustration i{position:absolute;right:-13px;top:-10px;color:var(--gold);font-size:25px;font-style:normal}.empty-state h2{margin-bottom:11px;font-size:19px}.empty-state>p:not(.eyebrow){max-width:300px;margin-bottom:19px;color:var(--muted);font-size:12px;line-height:1.8}.empty-chips{display:flex;gap:7px}.empty-chips span{padding:6px 9px;border-radius:99px;color:#6c8679;background:#f3f7f2;font-size:10px}
.results-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:17px}.results-head h2{margin-bottom:5px;font-size:21px}.results-summary{margin:0;color:var(--muted);font-size:11px;line-height:1.6}.summary-tag{padding:6px 8px;border:1px solid #e0eee5;border-radius:7px;color:#3c8062;background:#f5faf6;font-size:10px;white-space:nowrap}.alert-list{display:grid;gap:7px;margin:0 0 14px;padding:0;list-style:none}.alert-list li{padding:9px 11px;border:1px solid #f0dfb6;border-radius:8px;color:#7b602c;background:#fffaf0;font-size:11px;line-height:1.55}.day-card{margin-top:14px;overflow:hidden;border:1px solid var(--line);border-radius:13px}.day-head{display:flex;align-items:center;justify-content:space-between;padding:12px 13px;background:#f5f9f5}.day-head strong{font-size:12px}.day-meta{color:#82938b;font-size:10px}.timeline{padding:4px 13px 10px}.route-item{position:relative;display:grid;grid-template-columns:45px 16px 1fr;gap:7px;padding:12px 0 11px}.route-item:not(:last-child)::after{position:absolute;top:30px;bottom:-10px;left:52px;width:1px;background:#e1ece4;content:""}.route-time{padding-top:1px;color:#426e5d;font-size:10px;font-weight:700}.route-marker{position:relative;z-index:1;width:9px;height:9px;margin-top:3px;border:2px solid white;border-radius:50%;background:#54a77b;box-shadow:0 0 0 1px #a8d2b8}.route-item.meal .route-marker{background:#d9a64c;box-shadow:0 0 0 1px #eed6a4}.route-item.travel .route-marker{width:7px;height:7px;margin-left:1px;background:#97aaa0;box-shadow:0 0 0 1px #cfdbd4}.route-title{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-bottom:4px;font-size:12px;font-weight:700}.route-subtitle{color:#85958d;font-size:10px;line-height:1.55}.route-cost{color:#9a7440;font-size:10px;font-weight:600}.route-link{display:inline-flex;margin-top:6px;color:var(--green);text-decoration:none;font-size:10px;font-weight:700}.route-link::after{margin-left:4px;content:"↗"}.route-item.unconfirmed .route-title::after{padding:3px 5px;border-radius:4px;color:#8a6b2e;background:#fff4d9;content:"信息待确认";font-size:9px;font-weight:500}
.budget-bar{height:4px;margin-top:8px;overflow:hidden;border-radius:9px;background:#e9efea}.budget-bar span{display:block;height:100%;border-radius:inherit;background:#63a982}.budget-bar.over span{background:#db8c68}.budget-caption{display:flex;justify-content:space-between;margin-top:5px;color:#87958e;font-size:9px}.source-note{margin:15px 0 0;color:#99a59e;font-size:9px;line-height:1.6}.results-error{padding:18px;border:1px solid #f0d9cb;border-radius:10px;color:#8d543d;background:#fff7f2;font-size:12px;line-height:1.7}
.data-note{display:flex;gap:11px;margin:19px 0 50px;padding:15px 17px;border:1px solid #e7ece4;border-radius:12px;background:#fbfcf8}.note-icon{display:grid;flex:0 0 20px;width:20px;height:20px;place-items:center;border-radius:50%;color:#628474;background:#eaf2eb;font-size:11px;font-weight:700}.data-note p{margin:0;color:#77867f;font-size:10px;line-height:1.75}.data-note strong{color:#49645a}footer{display:flex;justify-content:space-between;padding:18px max(24px,calc((100vw - 1160px)/2));border-top:1px solid rgba(23,61,55,.08);color:#97a49e;background:white;font-size:9px;letter-spacing:.06em}
@media(max-width:860px){.planner-layout{grid-template-columns:1fr}.results-panel{min-height:320px}.empty-state{min-height:285px}.hero{padding-top:39px}}
@media(max-width:560px){.topbar{height:60px;padding:0 17px}main{width:min(100% - 24px,540px)}.hero{padding:31px 4px 23px}h1{font-size:36px}.hero-copy{font-size:12px}.form-panel,.results-panel{padding:19px 16px;border-radius:15px}.form-grid{gap:12px 9px}.place-picker-columns{grid-template-columns:1fr}.place-picker-columns select[multiple]{min-height:104px}.button-primary{flex:1}.data-note{margin-bottom:30px}footer{padding:16px 14px;font-size:8px}}