:root {
  --bg: #f4efe5;
  --bg-strong: #fbf7f0;
  --panel: rgba(255, 252, 247, 0.92);
  --panel-strong: #ffffff;
  --ink: #18212b;
  --muted: #697586;
  --line: rgba(24, 33, 43, 0.1);
  --line-strong: rgba(24, 33, 43, 0.18);
  --accent: #0f766e;
  --accent-deep: #134e4a;
  --accent-soft: rgba(15, 118, 110, 0.12);
  --accent-soft-strong: rgba(15, 118, 110, 0.18);
  --warm: #c57b26;
  --warm-soft: rgba(197, 123, 38, 0.12);
  --shadow: 0 24px 70px rgba(24, 33, 43, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Aptos", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 0% 0%, rgba(15, 118, 110, 0.18), transparent 28%),
    radial-gradient(circle at 100% 0%, rgba(197, 123, 38, 0.16), transparent 26%),
    linear-gradient(180deg, #fcf8f2 0%, var(--bg) 100%);
}

.shell {
  max-width: 1460px;
  margin: 0 auto;
  padding: 28px;
}

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 12px;
}

.hero-main,
.hero-note,
.panel,
.scenario-card,
.package-card,
.group-card,
.review-card,
.option-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-main,
.hero-note,
.panel {
  padding: 16px;
}

#hero-eyebrow,
#hero-title,
.hero-note {
  display: none;
}

.topbar,
.panel-head,
.wizard-actions,
.cart-actions,
.focus-banner,
.item-head,
.item-foot,
.extension-picker-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar {
  justify-content: flex-end;
}

.version-badge,
.feedback-button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.03em;
  padding: 8px 12px;
}

.version-badge {
  color: var(--accent-deep);
}

.version-button {
  cursor: pointer;
}

.feedback-button {
  cursor: pointer;
}

.feedback-button:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.annotation-mode .shell * {
  cursor: crosshair !important;
}

.annotation-mode .shell :is(button, label, .scenario-card, .package-card, .item-card, .option-card, .group-card, .storage-card, .wiring-card, .review-card, .summary, .wizard-stage, .wizard-actions, .cart-actions, img, h1, h2, h3, h4, p):hover {
  outline: 3px solid var(--warm);
  outline-offset: 3px;
}

.annotation-selected {
  outline: 3px solid var(--warm) !important;
  outline-offset: 3px;
}

.annotation-target {
  padding: 12px;
  border: 1px solid rgba(197, 123, 38, 0.28);
  border-radius: 12px;
  background: var(--warm-soft);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 750;
  line-height: 1.45;
}

.feedback-dialog {
  width: min(560px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 0;
  color: var(--ink);
  box-shadow: 0 24px 80px rgba(22, 42, 47, 0.28);
}

.release-dialog {
  width: min(620px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
  color: var(--ink);
  box-shadow: 0 24px 80px rgba(22, 42, 47, 0.28);
}

.release-dialog::backdrop {
  background: rgba(17, 33, 37, 0.48);
}

.release-dialog-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.release-dialog h2 {
  margin: 4px 0 0;
  font-size: 22px;
}

.release-content {
  display: grid;
  gap: 10px;
  margin: 20px 0;
  padding-left: 22px;
  line-height: 1.5;
}

.release-contact {
  margin: 0 0 20px;
  color: var(--muted);
}

.release-contact a {
  color: var(--accent-deep);
  font-weight: 800;
}

.feedback-dialog::backdrop {
  background: rgba(17, 33, 37, 0.48);
}

.feedback-dialog form {
  display: grid;
  gap: 12px;
  padding: 24px;
}

.feedback-dialog-head,
.feedback-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.feedback-dialog h2 {
  margin: 4px 0 0;
  font-size: 22px;
}

.feedback-help,
.feedback-status {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.feedback-dialog label {
  font-size: 13px;
  font-weight: 800;
}

.feedback-dialog textarea,
.feedback-dialog input {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  color: var(--ink);
  font: inherit;
}

.feedback-dialog textarea {
  min-height: 144px;
  resize: vertical;
}

.dialog-close {
  display: grid;
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  place-items: center;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.dialog-close svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 2.25;
}

.dialog-close:hover {
  background: var(--accent-soft);
  color: var(--ink);
}

.eyebrow,
.step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.lang-switch {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.lang-chip {
  border: none;
  padding: 7px 12px;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  cursor: pointer;
}

.lang-chip.active {
  background: var(--accent);
  color: #fff;
}

.hero h1 {
  margin: 14px 0 10px;
  font-size: clamp(2.3rem, 4.2vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.intro,
.hint,
.summary-meta,
.hero-note p,
.item-copy p,
.empty,
.step-copy p,
.option-card p {
  color: var(--muted);
  line-height: 1.62;
}

.intro {
  max-width: 780px;
  margin: 0 0 10px;
  font-size: 0.92rem;
  line-height: 1.48;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.highlight-pill,
.tag,
.group-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
}

.highlight-pill,
.tag {
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.group-badge {
  background: var(--warm-soft);
  color: var(--warm);
}

/* C6 Lite bespoke step sections */
.c6-section {
  margin-top: 22px;
}
.c6-section:first-of-type {
  margin-top: 8px;
}
.c6-section-title {
  margin: 0 0 4px;
  font-size: 1rem;
}
.c6-section-hint {
  margin: 0 0 12px;
  color: var(--muted, #6b7280);
  font-size: 0.85rem;
}

.avm-mode-card {
  text-align: left;
}

.avm-mode-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 176px;
  gap: 10px;
  margin-bottom: 14px;
  padding: 12px;
  border: 1px solid rgba(19, 91, 86, 0.14);
  border-radius: 16px;
  background: linear-gradient(135deg, #f8fffd, #eef9f7);
}

.avm-mode-device {
  display: grid;
  gap: 7px;
  min-width: 0;
  justify-items: center;
  color: var(--accent-deep);
  font-size: 0.72rem;
  font-weight: 800;
  text-align: center;
}

.avm-mode-device img {
  width: 100%;
  height: 112px;
  object-fit: contain;
}

.avm-mode-visual.standalone .avm-mode-device {
  width: min(78%, 260px);
}

.avm-mode-visual.standalone .avm-mode-device.c53-mode-device {
  width: min(42%, 190px);
}

.avm-mode-visual.cascade .avm-mode-device {
  flex: 1 1 0;
}

.avm-mode-visual.cascade .avm-mode-device img {
  height: 86px;
}

.avm-mode-plus {
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 900;
}

@media (max-width: 620px) {
  .avm-mode-visual.cascade {
    gap: 5px;
    padding: 8px;
  }

  .avm-mode-visual.cascade .avm-mode-device img {
    height: 64px;
  }
}
.avm-diagram {
  display: block;
  width: 100%;
  max-width: 560px;
  margin: 4px 0 8px;
  border: 1px solid var(--line, #e5e7eb);
  border-radius: 12px;
  background: #fff;
}

.hero-note strong {
  display: block;
  margin: 10px 0 8px;
  font-size: 1.05rem;
}

.wizard-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) minmax(340px, 0.86fr);
  gap: 22px;
}

.wizard-main,
.summary {
  min-height: 760px;
}

.wizard-main {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 18px;
}

.summary {
  position: sticky;
  top: 16px;
  align-self: start;
}

.wizard-top {
  display: grid;
  gap: 18px;
}

.step-pills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 10px;
}

.step-pill {
  padding: 12px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.step-pill span {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  border-radius: 999px;
  background: rgba(24, 33, 43, 0.08);
  font-weight: 800;
}

.step-pill strong {
  display: block;
  font-size: 0.9rem;
}

.step-pill.active {
  background: linear-gradient(180deg, #f2fffb 0%, #ebfaf5 100%);
  border-color: rgba(15, 118, 110, 0.28);
}

.step-pill.active span,
.step-pill.done span {
  background: var(--accent);
  color: #fff;
}

.step-copy h2,
.panel-head h2,
.group-card h3,
.review-card h3 {
  margin: 8px 0;
}

body.compact-flow .shell {
  padding-top: 18px;
}

body.compact-flow .hero {
  margin-bottom: 12px;
}

body.compact-flow .hero-main {
  padding: 14px 18px;
}

body.compact-flow .intro {
  margin: 0;
  font-size: 0.92rem;
}

body.compact-flow .hero-highlights {
  display: none;
}

body.compact-flow .wizard-main {
  gap: 12px;
}

body.compact-flow .wizard-top {
  gap: 10px;
}

body.compact-flow .step-pills {
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 8px;
}

body.compact-flow .step-pill {
  padding: 9px 10px;
  border-radius: 16px;
}

body.compact-flow .step-pill span {
  width: 24px;
  height: 24px;
  margin-bottom: 6px;
  font-size: 0.82rem;
}

body.compact-flow .step-pill strong {
  font-size: 0.82rem;
  line-height: 1.25;
}

body.compact-flow .step-copy h2 {
  margin: 4px 0;
  font-size: 1.05rem;
}

body.compact-flow .step-copy p {
  display: none;
}

.wizard-stage {
  min-height: 490px;
}

button {
  border: none;
  border-radius: 16px;
  padding: 13px 18px;
  font-weight: 800;
  font-size: 0.96rem;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(15, 118, 110, 0.2);
}

button.secondary {
  background: #e9efee;
  color: var(--ink);
}

/* AVM 级联主机三选一卡片：不同原图比例也使用同一展示画布与文字基线。 */
.avm-host-card {
  grid-template-rows: 150px auto 1fr;
  align-content: start;
  min-height: 286px;
}

.avm-host-card .avm-host-media {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 150px;
  margin: 0;
  padding: 14px 18px;
  overflow: hidden;
  border: 1px solid rgba(15, 118, 110, 0.1);
  border-radius: 18px;
  background: linear-gradient(145deg, #f7fcfa 0%, #edf6f4 100%);
}

.avm-host-card .avm-host-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.avm-host-card h3 {
  align-self: end;
  min-height: 1.45em;
  margin: 10px 0 0;
}

.avm-host-card p {
  align-self: start;
  margin: 0;
}

.c53-kit-selection {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.c53-kit-check {
  display: inline-grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border: 1.5px solid rgba(15, 118, 110, 0.34);
  border-radius: 7px;
  background: #fff;
  color: #fff;
  font-size: 0.9rem;
  line-height: 1;
}

.c53-kit-selection.is-selected {
  color: var(--accent-deep);
}

.c53-kit-selection.is-selected .c53-kit-check {
  border-color: var(--accent);
  background: var(--accent);
}

.scenario-grid,
.package-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
}

.product-entry-grid {
  margin-bottom: 12px;
}

.product-entry-card {
  display: grid;
  grid-template-rows: minmax(180px, 216px) auto;
}

.product-entry-card .scenario-media {
  aspect-ratio: auto;
  min-height: 180px;
  padding: 10px 12px 2px;
  align-items: center;
  background: #fff;
}

.product-entry-card .scenario-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 0;
  background: transparent;
}

.product-entry-card[data-product-entry="c6lite20"] .scenario-media img {
  transform: scale(1.42);
  transform-origin: center;
}

.product-entry-card[data-product-entry="z5"] .scenario-media img {
  transform: scale(1.16);
  transform-origin: center;
}

.product-entry-card .scenario-copy {
  display: grid;
  gap: 8px;
  padding: 14px 14px 16px;
  background: transparent;
}

.product-entry-card .scenario-copy h3 {
  margin: 0;
  font-size: 0.94rem;
}

.product-entry-card .scenario-copy p {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.34;
}

.compare-panel {
  margin-top: 22px;
  padding: 18px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.9);
  box-shadow: var(--shadow);
}

.compare-head h3 {
  margin: 0 0 6px;
}

.compare-head p {
  margin: 0 0 18px;
  color: var(--muted);
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.compare-card {
  padding: 16px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: #fffefb;
}

.compare-label {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 6px 11px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-weight: 800;
}

.exploded-diagram {
  position: relative;
  min-height: 360px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.08), transparent 34%),
    linear-gradient(180deg, #ffffff, #f8fbfa);
  overflow: hidden;
}

.exploded-node {
  position: absolute;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 30px rgba(24, 33, 43, 0.08);
  text-align: center;
}

.exploded-node img {
  width: 100%;
  max-width: 120px;
  height: 82px;
  object-fit: contain;
  display: block;
  margin: 0 auto 8px;
}

.exploded-node strong {
  display: block;
  font-size: 0.92rem;
}

.exploded-node span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.exploded-node-host {
  left: 6%;
  top: 8%;
  width: 30%;
}

.exploded-node-power {
  left: 35%;
  top: 38%;
  width: 28%;
}

.exploded-node-watch {
  right: 8%;
  top: 10%;
  width: 22%;
}

.exploded-node-camera {
  right: 6%;
  bottom: 10%;
  width: 24%;
}

.exploded-link {
  position: absolute;
  background: rgba(15, 118, 110, 0.7);
  transform-origin: left center;
  height: 3px;
  border-radius: 999px;
}

.exploded-link-1 {
  left: 29%;
  top: 27%;
  width: 18%;
  transform: rotate(20deg);
}

.exploded-link-2 {
  left: 57%;
  top: 37%;
  width: 18%;
  transform: rotate(-26deg);
}

.exploded-link-3 {
  left: 56%;
  top: 58%;
  width: 20%;
  transform: rotate(26deg);
}

.overlay-diagram {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
}

.overlay-diagram img {
  display: block;
  width: 100%;
  height: auto;
}

.overlay-tag {
  position: absolute;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(24, 33, 43, 0.84);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
  box-shadow: 0 8px 18px rgba(24, 33, 43, 0.18);
}

.overlay-tag-host {
  left: 14%;
  top: 20%;
}

.overlay-tag-power {
  left: 32%;
  top: 53%;
}

.overlay-tag-watch {
  right: 18%;
  top: 22%;
}

.overlay-tag-camera {
  right: 11%;
  bottom: 17%;
}

.split-preview-panel {
  margin-top: 0;
}

.split-preview-card {
  padding: 18px;
}

.split-diagram {
  position: relative;
  min-height: 700px;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.08), transparent 28%),
    linear-gradient(180deg, #ffffff, #f8fbfa 72%, #eef6f3);
}

.split-part {
  position: absolute;
  padding: 12px 12px 10px;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
}

.split-part span {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(222, 245, 240, 0.95);
  color: var(--accent-deep);
  font-size: 0.78rem;
  font-weight: 800;
}

.split-part img {
  display: block;
  width: 100%;
  height: auto;
}

.split-part-host {
  left: 5%;
  top: 4%;
  width: 42%;
}

.split-part-video {
  right: 4%;
  top: 6%;
  width: 46%;
}

.split-part-power {
  left: 10%;
  top: 45%;
  width: 50%;
}

.split-part-watch {
  right: 10%;
  top: 44%;
  width: 16%;
}

.split-part-watch img {
  max-width: 88px;
  margin: 0 auto;
}

.split-part-wiring {
  left: 17%;
  bottom: 5%;
  width: 66%;
}

.split-wiring-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.split-wiring-list b {
  padding: 7px 10px;
  border-radius: 12px;
  background: #f3f8f7;
  color: var(--ink);
  font-size: 0.82rem;
}

.split-part-wiring p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.split-link {
  position: absolute;
  height: 2px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.62);
  transform-origin: left center;
}

.split-link-1 {
  left: 42%;
  top: 21%;
  width: 14%;
  transform: rotate(8deg);
}

.split-link-2 {
  left: 34%;
  top: 46%;
  width: 12%;
  transform: rotate(40deg);
}

.split-link-3 {
  left: 59%;
  top: 53%;
  width: 17%;
  transform: rotate(-16deg);
}

.split-link-4 {
  left: 46%;
  bottom: 24%;
  width: 13%;
  transform: rotate(84deg);
}

@media (max-width: 900px) {
  .split-diagram {
    min-height: 860px;
  }

  .split-part-host,
  .split-part-video,
  .split-part-power,
  .split-part-watch,
  .split-part-wiring {
    position: relative;
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    width: auto;
    margin: 0 14px 14px;
  }

  .split-link {
    display: none;
  }
}

.option-grid {
  display: grid;
  gap: 16px;
}

.option-grid.two-col {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* C6 Lite has exactly four core kits; keep their comparison on one desktop row. */
.option-grid.c6-kit-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.option-grid.three-col {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

@media (max-width: 980px) {
  .option-grid.c6-kit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .option-grid.c6-kit-grid {
    grid-template-columns: 1fr;
  }
}

.scenario-card,
.package-card,
.option-card {
  padding: 0;
  overflow: hidden;
  text-align: left;
}

.scenario-card.active,
.package-card.active,
.option-card.active,
.item-card.selected {
  border-color: rgba(15, 118, 110, 0.35);
  background: #effcf8;
}

.scenario-card,
.package-card,
.option-card,
.item-card {
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.scenario-card:hover,
.package-card:hover,
.option-card:hover,
.item-card:hover {
  border-color: rgba(15, 118, 110, 0.28);
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(24, 33, 43, 0.07);
}

.scenario-media {
  aspect-ratio: 16 / 8.8;
  background: linear-gradient(180deg, #f3fbf8 0%, #ebf5ff 100%);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.scenario-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 8px;
  background: #fff;
}

.scenario-card-custom .scenario-media {
  aspect-ratio: 16 / 13.2;
}

.scenario-card-custom .scenario-media img {
  padding: 10px 12px 2px;
}

.package-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.package-image {
  display: block;
  min-height: 200px;
  background: linear-gradient(180deg, #f3fbf8 0%, #ebf5ff 100%);
  padding: 10px;
}

.package-image-empty,
.host-photo-empty {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 700;
  text-align: center;
}

.scenario-copy,
.package-head,
.item-copy,
.review-card {
  padding: 13px;
}

.package-head {
  align-items: start;
  padding-bottom: 0;
}

.package-card p,
.scenario-copy p {
  margin: 0;
}

.fallback-note {
  padding: 0 16px 16px;
  color: var(--warm);
  font-size: 0.9rem;
  font-weight: 700;
}

.option-card {
  display: grid;
  gap: 8px;
  padding: 12px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.wiring-card {
  align-content: start;
  min-height: 430px;
}

.wiring-card h3 {
  min-height: 42px;
  margin: 4px 0 0;
}

.wiring-card p {
  min-height: 92px;
  margin: 0;
}

.locked-option input[type="checkbox"] {
  cursor: not-allowed;
}

.option-card.disabled,
.item-card.disabled {
  opacity: 0.46;
  filter: grayscale(0.12);
}

.host-photo {
  display: block;
  width: 100%;
  height: 240px;
  object-fit: contain;
  object-position: center;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 10px;
}

.helper-note {
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.92rem;
  font-weight: 700;
}

.power-box-card {
  align-content: start;
  min-height: 100%;
}

.power-box-card .host-photo {
  height: 214px;
  object-position: center 42%;
  padding: 12px 14px;
}

.power-box-card .tag {
  align-self: start;
  margin-top: 4px;
}

.power-box-card h3 {
  margin: 2px 0 0;
  min-height: 46px;
  font-size: 1rem;
  line-height: 1.18;
}

.power-box-card p {
  margin: 0;
  min-height: 98px;
  max-width: 30ch;
  font-size: 0.82rem;
  line-height: 1.48;
  font-weight: 650;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.focus-banner {
  align-items: start;
  padding: 16px 18px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.1), rgba(15, 118, 110, 0.05));
  margin-bottom: 18px;
}

.focus-banner strong {
  display: block;
  margin-bottom: 6px;
}

.focus-banner p {
  margin: 0;
  color: var(--muted);
}

.resource-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.resource-links a {
  color: var(--accent-deep);
  font-weight: 700;
}

.group-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
  align-items: start;
}

.group-card {
  padding: 10px;
}

.capacity-note {
  margin-bottom: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--accent-soft);
  border: 1px solid rgba(15, 118, 110, 0.18);
}

.capacity-note.warning {
  background: var(--warm-soft);
  border-color: rgba(197, 123, 38, 0.24);
}

.capacity-note strong {
  display: block;
  margin-bottom: 6px;
}

.capacity-note p {
  margin: 0;
}

.algorithm-plan-panel {
  margin-bottom: 16px;
  padding: 16px;
  border: 1px solid rgba(15, 118, 110, 0.2);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.11), rgba(255, 255, 255, 0.82));
}

.algorithm-plan-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

.algorithm-plan-head strong,
.algorithm-plan-head span {
  display: block;
}

.algorithm-plan-head span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.resource-badge-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.resource-badge-list span,
.camera-resource-line {
  color: var(--accent-deep);
  font-size: 0.76rem;
  font-weight: 750;
}

.resource-badge-list span {
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 118, 110, 0.13);
}

.camera-resource-line {
  margin-top: 8px;
}

.algorithm-preset-grid,
.algorithm-assignment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 10px;
}

.algorithm-preset-card {
  display: grid;
  gap: 5px;
  padding: 13px;
  text-align: left;
  color: var(--ink);
  border: 1px solid rgba(15, 118, 110, 0.24);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.88);
  cursor: pointer;
}

.algorithm-preset-card:not(.unavailable):hover {
  border-color: var(--accent);
  box-shadow: 0 8px 20px rgba(15, 118, 110, 0.1);
}

.algorithm-preset-card span,
.algorithm-preset-card small {
  color: var(--muted);
  line-height: 1.4;
}

.algorithm-preset-card.unavailable {
  opacity: 0.58;
  cursor: not-allowed;
}

.algorithm-assignment-grid {
  margin-top: 10px;
}

.algorithm-assignment {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.algorithm-assignment select {
  width: 100%;
}

.item-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel-strong);
}

.item-card input[type="checkbox"] {
  margin-top: 4px;
}

.item-copy {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 8px 10px;
  align-items: start;
}

.item-copy .thumb {
  grid-column: 1;
  grid-row: 1 / span 2;
}

.item-copy .item-head,
.item-copy p {
  grid-column: 2;
}

.item-copy p {
  margin: 0;
  font-size: 0.92rem;
}

.sku {
  font-family: Consolas, monospace;
  font-size: 0.84rem;
  color: var(--muted);
  word-break: break-all;
}

.thumb {
  width: 116px;
  height: 116px;
  border-radius: 14px;
  object-fit: contain;
  border: 1px solid var(--line);
  background: #fff;
  padding: 6px;
}

.media-card {
  display: block;
  padding: 12px 12px 10px;
}

.media-card input[type="checkbox"] {
  display: block;
  margin: 4px auto 0;
}

.media-card .item-copy {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.media-card .item-copy .thumb,
.media-card .item-copy .item-head,
.media-card .item-copy p {
  grid-column: auto;
  grid-row: auto;
}

.media-card .thumb {
  width: 100%;
  height: 170px;
  padding: 8px;
}

.media-card .item-head {
  display: block;
  padding-left: 0;
}

.media-card .item-head h4 {
  margin: 0 0 4px;
  font-size: 0.92rem;
  line-height: 1.28;
  word-break: break-word;
}

.media-card .sku {
  display: block;
  font-size: 0.76rem;
  line-height: 1.35;
  word-break: break-all;
}

.media-card p {
  min-height: 56px;
  padding-left: 0;
  font-size: 0.82rem;
  line-height: 1.48;
}

.accessory-vertical-list {
  grid-template-columns: 1fr;
}

.accessory-row-group {
  padding: 12px;
  border-radius: 20px;
  box-shadow: none;
}

.accessory-row-card {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 132px;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  min-height: 0;
}

.accessory-row-media {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
}

.accessory-row-media .thumb {
  width: 160px;
  height: 118px;
  padding: 8px;
  margin: 0 auto;
}

.accessory-row-copy {
  display: grid;
  align-content: center;
  gap: 6px;
  min-width: 0;
  align-self: center;
}

.accessory-row-copy h4 {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.3;
}

.accessory-row-copy .sku {
  font-size: 0.8rem;
  line-height: 1.4;
}

.accessory-row-copy p {
  margin: 0;
  min-height: 0;
  font-size: 0.84rem;
  line-height: 1.52;
}

.accessory-row-control {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 132px;
  justify-self: center;
  align-self: center;
  min-height: 0;
}

.accessory-row-control input[type="checkbox"] {
  width: 18px;
  height: 18px;
}

.accessory-row-control .qty-stepper {
  margin: 0;
}

.accessory-row-card .item-copy,
.accessory-row-card .item-head,
.accessory-row-card p {
  min-height: 0;
}

.z5-core-card {
  display: grid;
  gap: 14px;
}

.z5-core-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.z5-core-image {
  display: grid;
  place-items: center;
  min-height: 180px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  overflow: hidden;
}

.z5-core-image img {
  width: 100%;
  height: 180px;
  object-fit: contain;
  padding: 10px;
}

.z5-core-image-empty {
  color: var(--muted);
  font-weight: 800;
}

.z5-core-copy {
  display: grid;
  gap: 8px;
}

.z5-core-copy h3,
.z5-core-copy p {
  margin: 0;
}

.extension-picker {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.14), rgba(15, 118, 110, 0.08));
  border: 1px solid rgba(15, 118, 110, 0.18);
}

.extension-picker-head {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: 4px;
  margin-bottom: 8px;
}

.extension-picker-head strong {
  color: var(--accent-deep);
  font-size: 0.84rem;
  line-height: 1.28;
  word-break: break-word;
}

.extension-picker-head span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  white-space: normal;
}

.extension-picker label > span {
  display: block;
  margin-bottom: 6px;
  font-size: 0.78rem;
  color: var(--muted);
}

.extension-picker select {
  width: 100%;
  font-size: 0.88rem;
  padding: 10px 12px;
}

.extension-picker .hint {
  margin: 8px 0 0;
  font-size: 0.78rem;
  line-height: 1.5;
}

.extension-picker:has(.inline-check) {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  column-gap: 12px;
  row-gap: 8px;
}

.extension-picker:has(.inline-check) .extension-picker-head {
  grid-column: 1 / 2;
  margin-bottom: 0;
}

.extension-picker:has(.inline-check) > .sku {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
  justify-self: end;
  align-self: start;
  margin: 0;
}

.extension-picker:has(.inline-check) .inline-check {
  grid-column: 1 / -1;
  margin: 0;
}

.extension-picker:has(.inline-check) .hint {
  grid-column: 1 / -1;
  margin-top: 0;
}

.inline-check {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  margin: 8px 0 6px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(15, 118, 110, 0.14);
}

.inline-check span {
  display: block;
  margin: 0;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.35;
}

.inline-check input[type="checkbox"] {
  justify-self: end;
  width: 18px;
  height: 18px;
  margin: 0;
}

.extension-picker > .sku {
  display: inline-flex;
  align-items: center;
  margin: 0 0 6px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 800;
}

.wiring-extra-picker {
  margin-top: 10px;
}

.wiring-extra-toggle {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.wiring-extra-toggle input[type="checkbox"] {
  margin-top: 2px;
  flex: 0 0 auto;
}

.wiring-extra-toggle span {
  display: block;
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.45;
}

.accessory-qty-picker {
  margin-top: 10px;
}

.accessory-qty-picker select {
  max-width: none;
}

.storage-picker {
  padding: 16px;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.13), rgba(255, 255, 255, 0.9));
}

.storage-picker .extension-picker-head {
  display: flex;
  align-items: baseline;
  margin-bottom: 12px;
}

.storage-picker .extension-picker-head strong {
  font-size: 0.98rem;
}

.storage-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.storage-card {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 14px;
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
}

.storage-card-label {
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 800;
}

.storage-card select {
  min-width: 0;
  font-size: 0.92rem;
}

.storage-card-sku {
  overflow-wrap: anywhere;
  color: var(--muted);
  font-family: Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.01em;
}

.qty-stepper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 6px auto 0;
}

.qty-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
}

.qty-btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.qty-value {
  min-width: 18px;
  text-align: center;
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
}

.camera-config-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(15, 118, 110, 0.08);
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 700;
}

.camera-config-panel {
  margin-bottom: 14px;
  padding: 14px;
  border-radius: 20px;
  border: 1px solid rgba(15, 118, 110, 0.18);
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.1), rgba(15, 118, 110, 0.04));
}

.camera-config-panel-head {
  display: grid;
  gap: 4px;
  margin-bottom: 12px;
}

.camera-config-panel-head strong {
  color: var(--accent-deep);
  font-size: 0.98rem;
}

.camera-config-panel-head span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.camera-config-list {
  display: grid;
  gap: 12px;
}

.camera-config-item {
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(24, 33, 43, 0.08);
  background: rgba(255, 255, 255, 0.82);
}

.camera-config-item-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.camera-config-item-head strong {
  font-size: 0.92rem;
}

.camera-config-item-head span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.camera-config-item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.camera-config-btn,
.accessory-editor-close {
  border: 1px solid rgba(15, 118, 110, 0.22);
  border-radius: 999px;
  background: #fff;
  color: var(--accent-deep);
  font-weight: 800;
  cursor: pointer;
}

.camera-config-btn {
  padding: 8px 12px;
  font-size: 0.8rem;
}

.accessory-editor-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(24, 33, 43, 0.22);
  z-index: 20;
}

.accessory-editor-panel {
  position: fixed;
  right: 28px;
  top: 88px;
  width: min(420px, calc(100vw - 32px));
  max-height: calc(100vh - 120px);
  overflow: auto;
  padding: 16px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.98);
  box-shadow: 0 24px 70px rgba(24, 33, 43, 0.18);
  z-index: 21;
}

.accessory-editor-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.accessory-editor-head strong {
  display: block;
  font-size: 1rem;
}

.accessory-editor-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.accessory-editor-close {
  width: 36px;
  height: 36px;
  font-size: 1.25rem;
}

.accessory-editor-body {
  display: grid;
  gap: 12px;
}

.extension-picker label {
  display: grid;
  gap: 8px;
  font-weight: 700;
}

.extension-picker select {
  width: 100%;
  border: 1px solid rgba(15, 118, 110, 0.22);
  border-radius: 12px;
  padding: 10px 12px;
  background: #fff;
  color: var(--ink);
  font-weight: 700;
}

.sub-option-list {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.sub-option-card {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid rgba(15, 118, 110, 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
}

.sub-option-card.locked {
  opacity: 0.96;
}

.sub-option-media .thumb {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 12px;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.sub-option-copy {
  display: grid;
  gap: 4px;
}

.sub-option-copy strong {
  font-size: 0.96rem;
}

.sub-option-copy span {
  color: var(--muted);
  font-size: 0.88rem;
}

.sub-option-card input[type="checkbox"] {
  margin: 0;
  justify-self: center;
  align-self: center;
}

.storage-option-grid {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.storage-option-card,
.z5-diagram-card {
  text-align: left;
}

.storage-option-card .host-photo {
  height: 150px;
  object-fit: contain;
}

.cart-list {
  display: grid;
  gap: 10px;
  min-height: 260px;
}

.cart-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
}

.review-card {
  padding: 8px;
}

.review-meta p {
  margin: 8px 0;
}

.summary-meta p {
  margin: 8px 0;
}

@media (max-width: 1120px) {
  .hero,
  .wizard-shell {
    grid-template-columns: 1fr;
  }

  .summary {
    position: static;
    min-height: auto;
  }

  .step-pills {
    grid-template-columns: repeat(2, 1fr);
  }

}

@media (max-width: 640px) {
  .shell {
    padding: 16px;
  }

  .step-pills,
  .group-list {
    grid-template-columns: 1fr;
  }

  .topbar,
  .focus-banner,
  .wizard-actions,
  .cart-actions,
  .panel-head {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-highlights {
    flex-direction: column;
  }

  .power-box-card .host-photo {
    height: 188px;
  }

  .power-box-card h3,
  .power-box-card p {
    min-height: auto;
    max-width: none;
  }

  .item-copy {
    grid-template-columns: 1fr;
  }

  .item-copy .thumb,
  .item-copy .item-head,
  .item-copy p {
    grid-column: auto;
    grid-row: auto;
  }

  .thumb,
  .host-photo {
    width: 100%;
    height: 200px;
  }

  .accessory-row-card {
    grid-template-columns: 1fr;
  }

  .accessory-row-media .thumb {
    width: 100%;
    height: 180px;
  }

  .accessory-row-control {
    justify-content: flex-start;
  }

  .storage-picker .extension-picker-head {
    align-items: flex-start;
  }

}