:root{color:#253247;font-synthesis:none;text-rendering:optimizelegibility;--app-bg:#f7f4ee;--surface:#fffcf7;--surface-muted:#f2ece2;--accent:#a8793d;--accent-soft:#f2e6c9;--ink:#253247;--ink-muted:#706c66;--border:#e8e2d9;--danger:#9a4d2f;--a:#557a91;--b:#9a7855;--c:#67836a;--shadow:0 12px 32px #372c1914;--radius-card:20px;--radius-control:12px;background:#f7f4ee;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}.provider-mode-switch{z-index:10;padding:max(8px, env(safe-area-inset-top)) 16px 8px;background:color-mix(in srgb, var(--app-bg) 94%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);justify-content:center;gap:8px;display:flex;position:sticky;top:0}.provider-mode-switch button{border:1px solid var(--border);min-height:44px;color:var(--ink);background:var(--surface);border-radius:999px;padding:0 16px}.provider-mode-switch button.is-active{border-color:var(--accent);background:var(--ink);color:var(--surface)}.beta-banner{border-radius:var(--radius-card);color:var(--ink);background:#fff8e9;border:1px solid #dcc390;gap:4px;padding:14px 16px;display:grid}.baidu-beta .setup-card{gap:16px;display:grid}.beta-field{color:var(--ink);gap:8px;font-weight:650;display:grid}.beta-field input{border:1px solid var(--border);min-height:48px;color:var(--ink);background:var(--surface);border-radius:12px;padding:0 12px}.beta-place{border:1px solid var(--border);border-radius:16px;gap:10px;padding:14px;display:grid}.candidate-choices{gap:8px;display:grid}.candidate-choices button{text-align:left;border:1px solid var(--border);min-height:56px;color:var(--ink);background:var(--surface);border-radius:12px;gap:4px;padding:10px 12px;display:grid}.candidate-choices span,.selected-place small{color:var(--ink-muted)}.selected-place{color:var(--ink);margin:0}.beta-actions{flex-wrap:wrap;gap:10px;display:flex}.beta-progress{font-variant-numeric:tabular-nums;color:var(--ink-muted);margin:0}*{box-sizing:border-box}html{background:var(--app-bg);min-width:320px}body{background:radial-gradient(circle at 100% 0%, #d4b98a1c, transparent 31rem), var(--app-bg);min-width:320px;min-height:100dvh;margin:0}button,input{font:inherit}button{cursor:pointer;touch-action:manipulation;border:0;min-height:44px}button:disabled{cursor:not-allowed;opacity:.48}button:focus-visible,input:focus-visible{outline-offset:3px;outline:3px solid #557a91}input{border:1px solid var(--border);border-radius:var(--radius-control);min-height:44px;color:var(--ink);background:var(--surface)}h1,h2,h3,p{margin:0}h1,h2,h3{color:var(--ink);letter-spacing:-.02em}h1{max-width:17ch;font-size:clamp(1.7rem,6vw,2.6rem);line-height:1.15}h2{font-size:1.2rem;line-height:1.3}h3{font-size:1rem}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app-shell{width:min(100%,760px);min-height:100dvh;padding:max(24px, env(safe-area-inset-top)) 16px max(36px, env(safe-area-inset-bottom));margin:0 auto}.topbar,.section-heading,.hotel-card-top,.results-summary,.ranking-rationale,.card-actions{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.topbar{align-items:flex-start;margin-bottom:24px}.topbar .text-button{flex:none}.topbar-subtitle{max-width:34rem;color:var(--ink-muted);margin-top:10px;font-size:.95rem;line-height:1.6}.eyebrow{color:var(--accent);letter-spacing:.11em;text-transform:uppercase;margin-bottom:6px;font-size:.72rem;font-weight:750}.text-button,.secondary-button,.primary-button,.close-button,.remove-button,.preset-button,.filter-chip,.summary-action{border-radius:var(--radius-control);transition:background-color .18s,border-color .18s,color .18s,box-shadow .18s,transform 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var(--border);border-radius:var(--radius-card);background:var(--surface)}.notice{color:#654121;background:#fff7e7;border-color:#ebd6a8;margin-bottom:12px;padding:12px 14px;line-height:1.5}.mock-banner{color:#654121;background:#fff8ea;border-color:#ecd9ad;align-items:baseline;gap:10px;margin-bottom:16px;padding:12px 14px;font-size:.9rem;line-height:1.45;display:flex}.mock-banner strong{flex:none}.setup-card,.filter-card,.hotel-card,.unrankable-card,.empty-state{box-shadow:var(--shadow);padding:20px}.section-heading{align-items:center;margin-bottom:16px}.count-chip,.brand-label{color:#654121;background:var(--accent-soft);border-radius:999px;align-items:center;min-height:26px;padding:4px 9px;font-size:.75rem;font-weight:750;display:inline-flex}.preset-row{grid-template-columns:1fr;gap:8px;margin-bottom:20px;display:grid}.preset-button{width:100%;min-height:64px;color:var(--ink);text-align:left;border:1px solid var(--border);background:#fffdf9;gap:3px;padding:12px 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small{color:var(--ink-muted);font-size:.75rem}.results-actions{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;width:100%;padding-top:4px;display:grid}.summary-action{min-height:44px;color:var(--ink);border:1px solid var(--border);background:#fffdf9;padding:8px 10px;font-size:.86rem;font-weight:750}.summary-action:hover{border-color:var(--accent);background:var(--accent-soft)}.filter-overview{min-height:56px;color:var(--ink-muted);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px 4px 16px;font-size:.84rem;display:grid}.filter-overview strong{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:.86rem;overflow:hidden}.filter-overview .text-button{min-height:40px;padding:8px}.filter-card{margin-bottom:14px}fieldset{border:0;margin:0;padding:0}legend{color:var(--ink);margin-bottom:8px;padding:0;font-size:.9rem;font-weight:750}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.filter-chip{min-height:44px;color:var(--ink);border:1px 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20px;line-height:1.5}.fatal-state button{color:#fff;background:var(--accent);border-radius:12px;width:max-content;padding:10px 14px;font-weight:750}@media (width>=540px){.app-shell{padding-left:24px;padding-right:24px}.preset-row,.year-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.route-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.results-actions{width:auto;margin-left:auto}}@media (width>=768px){.app-shell{width:min(100%,900px);padding-top:42px}.topbar{margin-bottom:32px}.setup-card,.hotel-card,.filter-card,.unrankable-card,.empty-state{padding:24px}.results-summary{grid-template-columns:minmax(0,1fr) auto;display:grid}.results-actions{grid-column:1/-1}.sheet{padding:28px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}