:root{--ink: #1a1a1a;--ink-soft: #5c5c5c;--ink-faint: #9a9a9a;--accent: #000000;--accent-2: #333333;--card: #ffffff;--surface: #f2f2f2;--line: #e5e5e5;--line-2: #d5d5d5;--bg: #191b19;--bg-ink: #c0c4c4;--bg-ink-soft:#8d8e8e;--shadow: 0 24px 60px -24px rgba(0, 0, 0, .5);--radius: 18px;--radius-sm: 12px;--maxw: 760px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:Noto Sans Thai,Segoe UI,Tahoma,sans-serif;color:var(--bg-ink);background:var(--bg);line-height:1.6;position:relative;overflow-x:hidden}body:before{content:"";position:fixed;top:-20%;right:-20%;bottom:-20%;left:-20%;z-index:0;pointer-events:none;background-image:repeating-linear-gradient(145deg,rgba(255,255,255,.045) 0px,rgba(255,255,255,.045) 1px,transparent 1px,transparent 46px),repeating-linear-gradient(145deg,rgba(255,255,255,.035) 0px,rgba(255,255,255,.035) 1px,transparent 1px,transparent 120px);background-size:260px 260px,640px 640px;animation:run-lines 26s linear infinite}@keyframes run-lines{0%{background-position:0 0,0 0}to{background-position:260px 130px,640px 320px}}@media (prefers-reduced-motion: reduce){body:before{animation:none}}.page{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:32px 20px 0}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.banner{display:block;width:100%;height:auto}.card-body{padding:34px clamp(20px,5vw,48px) 40px}.intro{text-align:center;margin-bottom:30px}.intro .lead{margin:0 0 8px;font-size:.98rem;color:var(--ink-soft);font-weight:400}.intro h1{margin:0;font-size:clamp(1.35rem,4vw,1.9rem);font-weight:600;letter-spacing:.5px;line-height:1.3;color:var(--ink)}.intro h1 .thin{font-weight:300}.intro h1 .accent{color:var(--accent)}.divider{width:64px;height:3px;margin:18px auto 0;border:none;border-radius:3px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1 / -1}.prefix-field select,.prefix-field .select-wrap{max-width:280px}@media (max-width: 560px){.prefix-field select,.prefix-field .select-wrap{max-width:none}}label{font-size:.9rem;font-weight:500;color:var(--ink)}label .sub{color:var(--ink-soft);font-weight:400}.req{color:var(--accent)}input[type=text],input[type=email],input[type=tel],input[type=number],select{width:100%;padding:12px 14px;font-family:inherit;font-size:.98rem;color:var(--ink);background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius-sm);transition:border-color .18s,box-shadow .18s,background .18s}input::placeholder{color:var(--ink-faint)}select{appearance:none;-webkit-appearance:none;-moz-appearance:none;padding-right:46px}.select-wrap{position:relative;display:block}.select-wrap select{width:100%}.select-caret{position:absolute;top:50%;right:22px;transform:translateY(-50%);pointer-events:none;color:var(--accent);display:block}input:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #0000001f;background:var(--card)}.radio-group{display:flex;flex-wrap:wrap;gap:12px}.radio-tile{flex:1 1 200px;display:flex;align-items:center;gap:11px;padding:13px 16px;border:1px solid var(--line-2);border-radius:var(--radius-sm);cursor:pointer;background:var(--surface);transition:border-color .18s,background .18s,box-shadow .18s}.radio-tile:hover{border-color:var(--accent)}.radio-tile input{accent-color:var(--accent);width:18px;height:18px}.radio-tile:has(input:checked){border-color:var(--accent);background:var(--card);box-shadow:0 0 0 3px #0000001a}.radio-tile .tile-text{font-size:.94rem;color:var(--ink)}.radio-tile .tile-text small{display:block;color:var(--ink-soft)}.field.hidden{display:none}.btn{font-family:inherit;font-size:1rem;font-weight:500;border-radius:var(--radius-sm);cursor:pointer;transition:transform .12s,box-shadow .18s,background .18s,color .18s;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:10px}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:btn-spin .7s linear infinite}@keyframes btn-spin{to{transform:rotate(360deg)}}.btn-primary{padding:14px 28px;color:var(--card);background:linear-gradient(115deg,var(--accent),var(--accent-2));box-shadow:0 12px 26px -12px #00000059}.btn-primary:hover{box-shadow:0 16px 30px -12px #00000073}.btn-outline{padding:13px 24px;color:var(--ink);background:transparent;border-color:var(--line-2)}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}.btn-block{width:100%}.actions{margin-top:26px;display:flex;flex-direction:column;gap:14px}.consent-hint{margin:4px 0 0;font-size:.82rem;color:var(--ink-soft);text-align:center}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:none;align-items:center;justify-content:center;padding:20px;background:#0009;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:fade-in .2s ease}.modal.open{display:flex}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes pop-in{0%{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-card{background:var(--card);width:min(680px,100%);max-height:88vh;display:flex;flex-direction:column;border-radius:var(--radius);border:1px solid var(--line);box-shadow:0 30px 70px -20px #000000b3;animation:pop-in .24s ease;overflow:hidden}.modal-head{padding:22px 26px;border-bottom:1px solid var(--line);display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.modal-head h2{margin:0;font-size:1.15rem;font-weight:600;color:var(--ink)}.modal-head p{margin:4px 0 0;font-size:.85rem;color:var(--ink-soft)}.modal-close{flex:none;width:34px;height:34px;border:1px solid var(--line-2);border-radius:50%;background:var(--surface);color:var(--ink);font-size:1.1rem;line-height:1;cursor:pointer;transition:background .15s,color .15s,border-color .15s}.modal-close:hover{background:var(--accent);color:var(--card);border-color:var(--accent)}.modal-body{padding:24px 26px;overflow-y:auto}.modal-foot{padding:18px 26px 24px;border-top:1px solid var(--line);background:var(--surface)}.consent-section{margin-bottom:26px}.consent-section:last-child{margin-bottom:0}.consent-section h3{margin:0 0 10px;font-size:1rem;font-weight:600;color:var(--accent);line-height:1.45}.consent-section p{margin:0 0 12px;font-size:.92rem;color:var(--ink)}.consent-section p.en{color:var(--ink-soft);font-style:italic}.check-block{margin-top:28px}.check-block .group-title{margin:18px 0 10px;font-size:.92rem;font-weight:600;color:var(--ink)}.group-title-link{display:block;cursor:pointer;text-decoration:underline;text-underline-offset:2px}.group-title-link:hover{color:var(--accent)}.check-item{display:flex;align-items:flex-start;gap:11px;padding:11px 13px;border:1px solid var(--line-2);border-radius:var(--radius-sm);cursor:pointer;margin-bottom:10px;background:var(--surface);transition:border-color .15s,background .15s}.check-item:hover{border-color:var(--accent)}.check-item:has(input:checked){border-color:var(--accent);background:var(--card);box-shadow:0 0 0 3px #0000001a}.check-item input{accent-color:var(--accent);width:18px;height:18px;margin-top:2px;flex:none}.check-item .ci-text{font-size:.9rem;color:var(--ink)}.check-item .ci-text small{display:block;color:var(--ink-soft)}.form-error{margin:6px 0 12px;font-size:.85rem;color:#d32f2f;display:none}.form-error.show{display:block}.success-card{text-align:center;padding:40px 30px 34px}.success-ring{width:84px;height:84px;margin:0 auto 20px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 50% 40%,#eafaf0,#d3f2df);box-shadow:0 0 0 8px #1a9d4c1f}.success-ring svg{width:42px;height:42px}.success-card h2{margin:0 0 8px;font-size:1.4rem;color:var(--ink)}.success-card p{margin:0 auto;max-width:380px;color:var(--ink-soft);font-size:.95rem}.success-card .en{font-style:italic;margin-top:4px}.success-card .btn{margin-top:26px}.site-footer{position:relative;z-index:1;max-width:var(--maxw);margin:40px auto 0;padding:26px 20px 40px;text-align:center;color:var(--bg-ink)}.site-footer .event-name{font-size:.98rem;font-weight:600;letter-spacing:.4px}.site-footer .event-name .accent{color:#fff}.site-footer nav{margin-top:10px}.site-footer a{color:var(--bg-ink);text-decoration:none;font-size:.9rem;border-bottom:1px solid var(--bg-ink);padding-bottom:1px;transition:color .15s}.site-footer a:hover{color:#fff;border-bottom-color:#fff}.site-footer .copy{margin-top:12px;font-size:.78rem;color:var(--bg-ink-soft)}.back-link{display:inline-flex;align-items:center;gap:7px;margin-top:26px;color:var(--accent);text-decoration:none;font-size:.92rem;font-weight:500}.back-link:hover{text-decoration:underline}@media (max-width: 560px){.form-grid{grid-template-columns:1fr}.page{padding-top:18px}.card-body{padding:26px 20px 32px}}.app-toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:#e5484d;color:#fff;padding:12px 20px;border-radius:var(--radius-sm);box-shadow:0 12px 26px -12px #00000080;z-index:200;font-size:.88rem;max-width:90vw;text-align:center;cursor:pointer}