:root{--green-900:#1f4d2e;--green-700:#2f6b42;--green-600:#3d8253;--green-50:#eef6ef;--wood:#9a6b3f;--cream:#fbf7ef;--ink:#26271f;--muted:#68706a;--line:#06c755;--danger:#b84037;--border:#dce6dd;--shadow:0 18px 42px rgba(31,77,46,.12);--font:"Noto Sans TC",system-ui,sans-serif;--round:"Baloo 2","Noto Sans TC",sans-serif}
.price-lines p{display:flex;justify-content:space-between;gap:12px}.transfer-reminder{font-size:.84rem;color:#705f40;margin:4px 0 0}
.payment-return{margin-top:18px;background:#e8f4ea;border-left:4px solid var(--green-600);padding:14px 18px;color:var(--green-900);font-weight:700}
.review-warning{margin:14px 0 0;padding:12px 14px;border-left:4px solid #bd7b20;background:#fff5df;color:#674613;font-size:.86rem;line-height:1.65}
*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--font);line-height:1.65}.container{width:min(1120px,calc(100% - 40px));margin:auto}a{text-decoration:none;color:inherit}.booking-header{background:#fff;border-bottom:1px solid var(--border)}.header-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;color:var(--green-900)}.brand img{width:46px;height:46px}.brand span{display:grid;line-height:1.15}.brand strong{font-size:1.2rem}.brand small{font-family:var(--round);color:var(--green-600);font-size:.72rem;letter-spacing:.12em}.back-link{font-weight:700;color:var(--green-700);font-size:.94rem}.back-link:hover{text-decoration:underline}.booking-hero{background:linear-gradient(115deg,rgba(18,56,33,.9),rgba(47,107,66,.78)),url("../img/treehouse-pano.jpg") center/cover;color:#fff;padding:64px 0 72px}.eyebrow{font-family:var(--round);letter-spacing:.17em;font-weight:700;font-size:.78rem;color:#81c590;margin:0 0 10px}.booking-hero h1{font-size:clamp(2rem,5vw,3.3rem);line-height:1.2;margin:0;font-weight:900}.booking-hero p:last-child{max-width:620px;margin:14px 0 0;color:rgba(255,255,255,.92)}.booking-main{padding:52px 0 64px}.booking-layout{display:grid;grid-template-columns:minmax(0,1.48fr) minmax(290px,.74fr);gap:32px;align-items:start}.booking-form-panel{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.form-section{padding:32px;border-bottom:1px solid var(--border)}.form-section:last-child{border:0}.form-section.is-disabled{background:#fcfdfb}.form-section.is-disabled>*{opacity:.55}.form-section.is-disabled .section-heading{opacity:1}.section-heading{display:flex;align-items:center;gap:10px;margin-bottom:25px}.section-heading span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--green-700);color:#fff;font-family:var(--round);font-weight:700}.section-heading h2{font-size:1.25rem;margin:0;color:var(--green-900)}label{display:grid;gap:7px;font-size:.93rem;font-weight:700;color:var(--green-900);margin:0 0 18px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field-grid label{min-width:0}input,select,textarea{font:inherit;color:var(--ink);width:100%;border:1px solid #bfcec1;border-radius:5px;padding:11px 12px;background:#fff}input:focus,select:focus,textarea:focus{outline:3px solid rgba(82,160,106,.24);border-color:var(--green-600)}textarea{resize:vertical}.optional{font-size:.78rem;color:var(--muted);font-weight:400}.field-note,.secure-note{font-size:.82rem;color:var(--muted);margin:0 0 18px}.check-availability,.submit-booking{width:100%;border:0;border-radius:5px;padding:13px 18px;color:#fff;background:var(--green-700);font:700 1rem var(--font);cursor:pointer;transition:background .2s,transform .2s}.check-availability:hover,.submit-booking:hover{background:var(--green-900);transform:translateY(-1px)}.submit-booking{background:#d26151}.submit-booking:hover{background:#b94d40}.submit-booking:disabled,.check-availability:disabled{background:#aebbb0;cursor:not-allowed;transform:none}.availability-message{min-height:1.6em;margin:12px 0 0;font-size:.9rem;font-weight:700}.availability-message.error{color:var(--danger)}.availability-message.success{color:var(--green-700)}.payment-options{display:grid;gap:10px;margin-bottom:18px}.payment-option{display:flex;grid-template-columns:auto 1fr;align-items:start;gap:11px;margin:0;padding:14px;border:1px solid var(--border);border-radius:5px;cursor:pointer}.payment-option:has(input:checked){background:var(--green-50);border-color:var(--green-600)}.payment-option input{width:18px;height:18px;margin-top:3px;accent-color:var(--green-700)}.payment-option span{display:grid;gap:2px}.payment-option small{font-weight:400;color:var(--muted);font-size:.82rem}.transfer-details{background:#fff8e8;border:1px solid #ead4a3;border-radius:5px;padding:16px;margin:0 0 18px}.transfer-details>p{font-weight:900;color:#7d571e;margin:0 0 8px}.transfer-details dl{margin:0 0 14px}.transfer-details dl div{display:flex;gap:12px;padding:5px 0}.transfer-details dt{width:74px;color:#705f40;font-size:.86rem}.transfer-details dd{margin:0;font-weight:700}.consent{display:flex;grid-template-columns:auto 1fr;align-items:start;gap:9px;color:var(--ink);font-size:.86rem;line-height:1.55}.consent input{width:17px;height:17px;margin-top:3px;accent-color:var(--green-700)}.booking-summary{position:sticky;top:22px;background:var(--green-900);color:#fff;padding:28px 26px;box-shadow:var(--shadow)}.summary-label{font-family:var(--round);letter-spacing:.12em;color:#add8b5;font-size:.78rem;margin:0 0 7px}.summary-room{font-size:1.18rem;font-weight:900;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.2)}.booking-summary dl{margin:18px 0;display:grid;gap:8px}.booking-summary dl div{display:flex;justify-content:space-between;gap:14px}.booking-summary dt{color:rgba(255,255,255,.72)}.booking-summary dd{margin:0;font-weight:700;text-align:right}.price-lines{border-top:1px solid rgba(255,255,255,.2);padding:14px 0 5px;color:rgba(255,255,255,.85);font-size:.9rem}.price-lines p{margin:0 0 8px}.summary-total{border-top:1px solid rgba(255,255,255,.2);margin-top:10px;padding-top:16px;display:flex;justify-content:space-between;align-items:end}.summary-total strong{font-family:var(--round);font-size:1.55rem;color:#fff}.summary-notice{font-size:.78rem;color:rgba(255,255,255,.7);margin:22px 0 0}.booking-help{background:var(--green-50);padding:30px 0}.help-inner{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap}.help-inner p{font-weight:700;margin:0;color:var(--green-900)}.help-inner a{border:1px solid var(--green-600);color:var(--green-700);font-weight:700;border-radius:5px;padding:8px 14px}.help-inner a:first-of-type{background:var(--line);border-color:var(--line);color:#fff}.result-dialog{border:0;padding:32px;max-width:440px;width:calc(100% - 40px);box-shadow:0 24px 60px rgba(0,0,0,.28)}.result-dialog::backdrop{background:rgba(15,32,20,.64)}.result-dialog h2{color:var(--green-900);margin:0 0 12px}.result-dialog p{margin:0 0 12px}.booking-number{background:var(--green-50);padding:12px}.dialog-close{position:absolute;right:12px;top:8px;border:0;background:none;font-size:1.75rem;color:var(--muted);cursor:pointer}.result-home{display:inline-block;background:var(--green-700);color:#fff;padding:10px 16px;border-radius:5px;font-weight:700}@media(max-width:820px){.booking-layout{grid-template-columns:1fr}.booking-summary{position:static;order:-1}.form-section{padding:25px}}@media(max-width:540px){.container{width:min(100% - 28px,1120px)}.header-inner{min-height:70px}.booking-hero{padding:48px 0 54px}.booking-main{padding:28px 0 42px}.field-grid{grid-template-columns:1fr}.form-section{padding:22px 18px}.booking-summary{padding:24px 20px}.back-link{font-size:.84rem}}