:root {
  color-scheme: dark;
  --blue: #1c2f52; --blue-deep: #101d36; --gold: #e4b83a; --olive: #6b8a3a;
  --orange: #c97a13; --sun: #ffd447; --text: #f4f0e6; --muted: #c8c2b5;
  --line: #415a77; --card: rgba(15, 29, 55, .88); --radius: 22px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; min-height: 100vh; color: var(--text); background: radial-gradient(circle at 75% 0, #284875 0, var(--blue) 32%, var(--blue-deep) 100%); }
button, input, select, textarea { font: inherit; }
button, input, select { min-height: 44px; }
button { cursor: pointer; }
.topbar { min-height: 72px; padding: 12px clamp(18px, 3vw, 52px); display: flex; align-items: center; gap: 28px; border-bottom: 1px solid var(--line); background: rgba(10, 22, 43, .78); backdrop-filter: blur(18px); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--blue-deep); background: var(--gold); padding: 10px 14px; border-radius: 14px; font-weight: 900; text-decoration: none; }
.brand span { color: var(--text); background: transparent; }
.topbar > div { display: flex; align-items: baseline; gap: 14px; }
.save-state { color: var(--muted); font-size: .88rem; }
.steps { display: grid; grid-template-columns: repeat(6, minmax(120px, 1fr)); gap: 8px; padding: 14px clamp(18px, 3vw, 52px); overflow-x: auto; border-bottom: 1px solid var(--line); }
.step { min-width: 120px; display: flex; align-items: center; gap: 10px; padding: 8px 12px; color: var(--muted); border: 1px solid transparent; border-radius: 14px; background: transparent; text-align: left; }
.step b { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; }
.step.is-active { color: var(--text); border-color: #e4b83a88; background: #e4b83a18; }
.step.is-active b { color: var(--blue-deep); border-color: var(--gold); background: var(--gold); }
.workspace { width: min(1880px, calc(100% - clamp(28px, 4vw, 80px))); margin: 26px auto 48px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 23%); gap: clamp(18px, 2vw, 34px); align-items: start; }
.editor, .summary, .presentation-control-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: 0 22px 70px #050b1766; }
.editor { min-width: 0; overflow: hidden; }
.panel { display: none; min-height: 520px; padding: clamp(24px, 3vw, 48px); }
.panel.is-active { display: block; }
.section-heading { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 30px; }
.section-heading > span { color: var(--sun); font-weight: 900; letter-spacing: .08em; }
h1 { margin: -5px 0 8px; font-size: clamp(28px, 2.4vw, 44px); }
p { color: var(--muted); line-height: 1.65; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.form-grid.compact { max-width: 720px; }
label { display: grid; gap: 8px; color: var(--muted); }
input, select, textarea { width: 100%; color: var(--text); border: 1px solid var(--line); border-radius: 12px; background: #0c1a32cc; padding: 11px 13px; outline: none; }
input:focus, select:focus, textarea:focus, button:focus-visible { border-color: var(--gold); box-shadow: 0 0 0 3px #e4b83a2e; }
.switch { margin-top: 24px; display: flex; align-items: center; gap: 10px; }
.switch input { width: 22px; min-height: 22px; accent-color: var(--gold); }
.room-heading { margin-bottom: 16px; }
.room-toolbar { display: grid; grid-template-columns: minmax(210px, 280px) minmax(220px, 1fr) auto; align-items: end; gap: 18px; margin-bottom: 18px; padding: 14px 16px; border: 1px solid #e4b83a55; border-radius: 16px; background: #e4b83a0d; }
.room-toolbar p { align-self: center; margin: 0; font-size: .88rem; }
.load-input { position: relative; display: block; }
.load-input input { padding-right: 64px; }
.load-input b { position: absolute; right: 13px; top: 50%; transform: translateY(-50%); color: var(--gold); }
.room-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 4px; }
.room-card { min-width: 0; margin: 0; padding: 13px; border: 1px solid var(--line); border-radius: 16px; background: #0c1a3266; }
.room-card legend { width: 100%; display: flex; justify-content: space-between; color: var(--sun); font-weight: 800; padding: 0 8px; }
.room-card legend button { min-height: 32px; color: #f2a45f; border: 0; background: transparent; }
.room-essential { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(90px, .6fr); gap: 10px; }
.room-card label { gap: 5px; font-size: .86rem; }
.room-card input, .room-card select { min-height: 38px; padding: 8px 10px; }
.room-card > label { margin-top: 10px; }
.room-special { margin-top: 10px; border: 0; border-top: 1px solid #415a7766; }
.room-special summary { padding: 10px 0 2px; color: var(--gold); cursor: pointer; font-size: .86rem; }
.room-special > label { margin-top: 10px; }
.tag-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; margin-top: 9px; }
.tag-options label { display: flex; align-items: center; gap: 5px; }
.tag-options input, .override-switch input[type="checkbox"] { width: 17px; min-height: 17px; accent-color: var(--gold); }
.override-switch > span { display: flex; align-items: center; gap: 5px; }
.primary, .secondary { min-height: 44px; padding: 10px 18px; border-radius: 12px; font-weight: 800; }
.primary { color: var(--blue-deep); border: 1px solid var(--gold); background: linear-gradient(135deg, var(--sun), var(--gold)); }
.primary:disabled { cursor: not-allowed; opacity: .45; }
.secondary { color: var(--text); border: 1px solid var(--line); background: #132747; }
.actionbar { display: flex; justify-content: space-between; gap: 14px; padding: 16px clamp(24px, 3vw, 48px); border-top: 1px solid var(--line); background: #0c1a32e6; }
.actionbar > div { display: flex; gap: 10px; }
.summary-rail { position: sticky; top: 20px; display: grid; gap: 16px; min-width: 0; }
.summary { padding: 24px; }
.presentation-control-card { padding: 20px; }
.presentation-control-card.is-connected { border-color: #6b8a3aaa; box-shadow: 0 22px 70px #050b1766, inset 0 0 0 1px #6b8a3a44; }
.presentation-control-heading { display: flex; align-items: start; justify-content: space-between; gap: 12px; }
.presentation-control-heading > div { display: grid; gap: 5px; }
.presentation-control-heading span, .presentation-control-card p { color: var(--muted); font-size: .78rem; }
.presentation-control-heading b { color: var(--sun); font-size: .8rem; text-align: right; }
.display-stage-buttons { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; margin-top: 16px; }
.display-stage-buttons button { min-width: 0; min-height: 58px; display: grid; justify-items: center; gap: 2px; padding: 7px 3px; color: var(--muted); border: 1px solid var(--line); border-radius: 12px; background: #0c1a32aa; }
.display-stage-buttons button b { width: 24px; height: 24px; display: grid; place-items: center; color: var(--blue-deep); border-radius: 50%; background: var(--gold); }
.display-stage-buttons button span { font-size: .72rem; }
.display-stage-buttons button[aria-pressed="true"] { color: var(--text); border-color: var(--gold); background: #e4b83a1c; }
.display-stage-buttons button:disabled, .display-actions button:disabled { cursor: not-allowed; opacity: .42; }
.display-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 10px; }
.display-actions button { min-width: 0; padding-inline: 8px; font-size: .78rem; }
.display-actions button:first-child { grid-column: 1 / -1; }
.display-audio { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: end; gap: 9px; margin-top: 10px; }
.display-audio button { padding-inline: 10px; font-size: .78rem; }
.display-audio label { gap: 3px; font-size: .72rem; }
.display-audio input { min-height: 20px; padding: 0; accent-color: var(--gold); }
.presentation-control-card p { margin: 12px 0 0; line-height: 1.45; }
.summary-title { display: flex; justify-content: space-between; align-items: center; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.summary-title b { color: var(--orange); font-size: .82rem; }
dl { margin: 0; }
dl > div { display: flex; justify-content: space-between; gap: 16px; padding: 16px 0; border-bottom: 1px solid #415a7766; }
dt { color: var(--muted); } dd { margin: 0; font-weight: 800; text-align: right; }
dl .total dd { color: var(--sun); font-size: 1.5rem; }
.notice, .confirm-card, .result-card, .price-preview, .empty { margin-top: 18px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; color: var(--muted); background: #13274799; }
.confirmation-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.confirmation-links[hidden] { display: none; }
.confirmation-links a { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; text-decoration: none; }
.result-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.result-grid article { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: #13274799; }
.result-grid h3 { margin: 0 0 8px; }
.manual-selection { margin-top: 14px; padding-top: 12px; border-top: 1px solid #415a7766; }
.manual-selection summary { color: var(--gold); cursor: pointer; font-weight: 800; }
.manual-selection label { margin-top: 10px; }
.manual-selection p { margin: 10px 0; font-size: .82rem; }
.warning { color: #f2a45f; }
.selection-badge { display: inline-flex; margin-bottom: 10px; padding: 5px 10px; color: var(--blue-deep); background: var(--gold); border-radius: 999px; font-size: .78rem; font-weight: 900; }
.outdoor-candidates { margin-top: 18px; }
.candidate-heading { display: flex; justify-content: space-between; gap: 16px; align-items: end; margin-bottom: 12px; }
.candidate-heading span { color: var(--muted); font-size: .85rem; }
.candidate-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 14px; }
.outdoor-option { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 14px; border: 1px solid var(--line); border-radius: 14px; background: #0c1a3299; cursor: pointer; }
.outdoor-option:hover { border-color: #e4b83a88; }
.outdoor-option.is-selected { border-color: var(--gold); background: #e4b83a12; box-shadow: inset 0 0 0 1px #e4b83a55; }
.outdoor-option.is-disabled { cursor: not-allowed; opacity: .55; }
.outdoor-option input { width: 20px; min-height: 20px; accent-color: var(--gold); }
.outdoor-option span { min-width: 0; display: grid; gap: 4px; }
.outdoor-option strong { color: var(--text); overflow-wrap: anywhere; }
.outdoor-option small { color: var(--muted); }
.outdoor-option em { color: #e7a26a; font-size: .78rem; font-style: normal; }
.outdoor-option > b { color: var(--sun); white-space: nowrap; }
.installation-summary, .additional-fees, .quote-exclusions { margin: 16px 0; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: #0c1a3277; }
.installation-summary, .fee-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.installation-summary > div, .fee-heading > div { display: grid; gap: 5px; }
.installation-summary span, .fee-heading span { color: var(--muted); font-size: .84rem; }
.installation-summary > b { color: var(--sun); }
.quote-validity { display: grid; grid-template-columns: minmax(0, 1fr) 160px; align-items: center; gap: 16px; margin: 16px 0; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: #0c1a3277; }
.additional-fee-row { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: 10px; align-items: end; margin-top: 12px; }
.quote-exclusions { display: flex; flex-wrap: wrap; gap: 8px 14px; color: var(--muted); }
.quote-exclusions strong { width: 100%; color: var(--text); }
.quote-exclusions span::before { content: "不含 "; color: var(--orange); }
.price-main { color: var(--sun); font-size: clamp(30px, 4vw, 56px); font-weight: 900; }
.hint { font-size: .9rem; }
@media (max-width: 1100px) { .room-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 981px) and (max-height: 900px) {
  .topbar { min-height: 56px; padding-block: 7px; }
  .steps { padding-block: 7px; }
  .step { padding-block: 4px; }
  .step b { width: 26px; height: 26px; }
  .workspace { margin: 8px auto 0; gap: 16px; }
  .panel[data-panel="2"] { min-height: 0; padding: 16px 20px; }
  .panel[data-panel="2"] .section-heading { gap: 10px; margin-bottom: 6px; }
  .panel[data-panel="2"] .section-heading h1 { margin-bottom: 2px; font-size: 28px; }
  .panel[data-panel="2"] .section-heading p { margin: 0; line-height: 1.35; }
  .room-toolbar { grid-template-columns: 210px minmax(180px, 1fr) auto; gap: 10px; margin-bottom: 9px; padding: 7px 10px; }
  .room-toolbar label { gap: 3px; }
  .room-toolbar input { min-height: 34px; padding-block: 6px; }
  .room-toolbar p { line-height: 1.3; }
  .room-list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; }
  .room-card { padding: 7px 8px; }
  .room-card legend button { min-height: 26px; }
  .room-card label { gap: 2px; font-size: .78rem; }
  .room-card input, .room-card select { min-height: 31px; padding: 5px 7px; }
  .room-essential { gap: 6px; }
  .room-card > label { margin-top: 5px; }
  .room-special { margin-top: 5px; }
  .room-special summary { padding: 6px 0 0; }
  .actionbar { padding-block: 9px; }
}
@media (max-width: 980px) { .workspace { grid-template-columns: 1fr; } .summary-rail { position: static; } .steps { grid-template-columns: repeat(6, 150px); } .room-toolbar { grid-template-columns: 240px 1fr auto; } }
@media (max-width: 640px) { .form-grid, .result-grid, .room-list, .room-toolbar, .candidate-list, .additional-fee-row { grid-template-columns: 1fr; } .candidate-heading, .installation-summary, .fee-heading { align-items: stretch; flex-direction: column; } .actionbar, .actionbar > div { flex-wrap: wrap; } .panel { padding: 22px 16px; } }
@media (min-width: 1800px) { :root { font-size: 18px; } .workspace { grid-template-columns: minmax(0, 1fr) 380px; } .panel { min-height: 650px; } }
@media (min-width: 3000px) { :root { font-size: 28px; } .topbar { min-height: 112px; } .workspace { max-width: 3300px; grid-template-columns: minmax(0, 1fr) 620px; } .panel { min-height: 1200px; } button, input, select { min-height: 64px; } }