:root {
  --primary: #605DEC;
  --primary-light: #817DFF;
  --primary-dark: #4C48D9;
  --accent: #0EA5E9;
  --accent-light: #38BDF8;
  --background: #F8FAFC;
  --surface: #FFFFFF;
  --surface-light: #F1F5F9;
  --surface-hover: #E2E8F0;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --border: #E2E8F0;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text-primary);
  background: var(--background);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 clamp(24px, 5vw, 48px);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 0;
  border-bottom: 1px solid rgba(96, 93, 236, 0.1);
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.04),
    0 0 30px rgba(96, 93, 236, 0.03);
}

.brand {
  position: absolute;
  left: clamp(24px, 5vw, 48px);
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.3;
}

.brand strong {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand small {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.5vw, 32px);
  color: var(--text-secondary);
  font-size: 19px;
  font-weight: 700;
}

.nav a {
  position: relative;
  padding: 12px 24px;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav a::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.08) 0%, rgba(14, 165, 233, 0.06) 100%);
  opacity: 0;
  box-shadow: 
    0 8px 24px rgba(96, 93, 236, 0.15),
    0 0 16px rgba(14, 165, 233, 0.08);
  transition: opacity 0.3s ease;
}

.nav a:hover {
  color: var(--text-primary);
  transform: translateY(-4px);
}

.nav a:hover::before {
  opacity: 1;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav a:hover::after {
  width: 80%;
}

.section,
.section-band {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 48px) clamp(12px, 3vw, 48px);
  max-width: 1800px;
  margin: 0 auto;
}

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(75vh);
  padding-top: clamp(16px, 2vw, 30px);
  padding-bottom: clamp(16px, 2vw, 24px);
  background: linear-gradient(135deg, #FFFFFF 0%, #F0F5FF 30%, #F8FAFC 70%, #FFFFFF 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(96, 93, 236, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  right: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(280px, 400px) 2fr;
  gap: clamp(16px, 2vw, 32px);
  align-items: center;
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
}

.hero-copy {
  max-width: 450px;
  justify-self: start;
}

.hero-copy .eyebrow {
  margin-bottom: 12px;
}

.hero-copy h1 {
  margin-bottom: 20px;
  color: var(--text-primary);
  font-size: clamp(42px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.hero-desc {
  color: var(--text-secondary);
  font-size: 19px;
  line-height: 1.85;
  margin-bottom: 0;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 20px;
  background:
    radial-gradient(ellipse at 18% 22%, rgba(96, 93, 236, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 82% 78%, rgba(14, 165, 233, 0.16) 0%, transparent 55%),
    linear-gradient(135deg, #EEF2FF 0%, #F0F9FF 50%, #F8FAFC 100%);
  box-shadow:
    0 25px 50px -12px rgba(96, 93, 236, 0.15),
    0 10px 40px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(96, 93, 236, 0.08);
}

.hero-visual::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.12) 0%, rgba(14, 165, 233, 0.08) 100%);
  border-radius: 24px;
  z-index: -1;
  transform: rotate(1deg);
}

.hero-visual::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 30px;
  background: linear-gradient(to top, rgba(96, 93, 236, 0.15) 0%, rgba(14, 165, 233, 0.1) 50%, transparent 100%);
  border-radius: 0 0 20px 20px;
  z-index: 0;
}

.hero-video {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  min-height: 400px;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 16px;
}

.video-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
  border-radius: 0 0 16px 16px;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.hero-visual:hover .video-controls {
  opacity: 1;
}

.ctrl-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: #fff;
  cursor: pointer;
  transition: background 0.15s ease;
  flex-shrink: 0;
}

.ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.ctrl-btn svg {
  width: 20px;
  height: 20px;
}

.ctrl-btn:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.2);
}

.ctrl-volume {
  display: flex;
  align-items: center;
  gap: 4px;
}

.vol-slider {
  width: 0;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  transition: width 0.2s ease, opacity 0.2s ease;
  opacity: 0;
}

.ctrl-volume:hover .vol-slider {
  width: 70px;
  opacity: 1;
}

.vol-slider::-webkit-slider-runnable-track {
  height: 3px;
  border-radius: 1.5px;
  background: rgba(255, 255, 255, 0.25);
  border: none;
}

.vol-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 10px;
  background: #fff;
  border-radius: 50%;
  cursor: pointer;
  margin-top: -3.5px;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.3);
}

.vol-slider::-moz-range-track {
  height: 3px;
  background: rgba(255, 255, 255, 0.25);
  border: none;
  border-radius: 1.5px;
}

.vol-slider::-moz-range-thumb {
  width: 10px;
  height: 10px;
  background: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.3);
}

.vol-slider:focus {
  outline: none;
}

.ctrl-spacer {
  flex: 1;
}

.hero-visual-img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: 
    0 25px 50px -12px rgba(0, 0, 0, 0.12),
    0 0 60px rgba(96, 93, 236, 0.08);
}

.kv-logo {
  position: absolute;
  left: clamp(24px, 4vw, 60px);
  top: clamp(12px, 2vw, 28px);
  z-index: 1;
  width: clamp(120px, 15vw, 200px);
  height: auto;
  filter: drop-shadow(0 12px 24px rgba(96, 93, 236, 0.25));
}

.page-hero {
  background: linear-gradient(135deg, var(--surface) 0%, var(--background) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.page-hero.kv-page-hero {
  background: 
    linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(96, 93, 236, 0.1) 50%, rgba(0, 212, 255, 0.05) 100%),
    url("images/banner-web.jpg");
  background-size: cover;
  background-position: 45% center;
  background-repeat: no-repeat;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(42px, 6vw, 80px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 800;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(30px, 4.2vw, 48px);
  line-height: 1.12;
  font-weight: 700;
}

h3 {
  font-size: 24px;
  line-height: 1.3;
  font-weight: 600;
}

.hero-text,
.section-heading p,
.six-copy p {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.8;
}

.hero-actions,
.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.button:hover::before {
  opacity: 1;
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border: none;
  box-shadow: 
    0 4px 16px rgba(96, 93, 236, 0.4),
    0 1px 2px rgba(0, 0, 0, 0.2);
}

.button.primary:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 8px 24px rgba(96, 93, 236, 0.5),
    0 2px 4px rgba(0, 0, 0, 0.2);
}

.button.primary:active {
  transform: translateY(0);
}

.button.secondary {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(96, 93, 236, 0.2);
  backdrop-filter: blur(10px);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(96, 93, 236, 0.35);
  transform: translateY(-2px);
}

.unit {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  grid-template-columns: 72px 1fr 72px;
  align-items: center;
  width: min(520px, 88vw);
  height: 220px;
  padding: 28px;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9) 0%, rgba(15, 23, 42, 0.95) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.4),
    0 4px 16px rgba(96, 93, 236, 0.15);
  transform: translate(-50%, -50%);
}

.unit-label {
  color: var(--accent);
  font-size: 32px;
  font-weight: 900;
  text-align: center;
}

.vent {
  height: 118px;
  background: repeating-linear-gradient(90deg, rgba(96, 93, 236, 0.4) 0 6px, transparent 6px 14px);
  border-radius: 8px;
}

.duct {
  position: absolute;
  width: 36%;
  height: 68px;
  background: linear-gradient(135deg, rgba(51, 65, 85, 0.8) 0%, rgba(30, 41, 59, 0.9) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
}

.duct-a {
  top: 104px;
  left: 0;
}

.duct-b {
  right: 0;
  bottom: 94px;
}

.air {
  position: absolute;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--primary-light));
  border-radius: 2px;
}

.air-one {
  left: 9%;
  top: 42%;
  width: 150px;
}

.air-two {
  right: 10%;
  top: 56%;
  width: 180px;
}

.air-three {
  left: 38%;
  bottom: 16%;
  width: 120px;
  background: linear-gradient(90deg, var(--success), var(--accent));
}

.section-heading {
  max-width: 840px;
  margin-bottom: 32px;
}

.section-heading.compact {
  margin-bottom: 0;
}

.category-tabs {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.category-tab {
  padding: 12px 24px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.category-tab:hover {
  color: var(--text-primary);
  background: rgba(96, 93, 236, 0.15);
  border-color: rgba(96, 93, 236, 0.3);
}

.category-tab.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(96, 93, 236, 0.4);
}

.compare-tabs {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.compare-tab {
  padding: 16px 32px;
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.compare-tab:hover {
  color: var(--primary);
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.08) 0%, rgba(96, 93, 236, 0.04) 100%);
  border-color: rgba(96, 93, 236, 0.3);
  box-shadow: 0 4px 16px rgba(96, 93, 236, 0.15);
  transform: translateY(-2px);
}

.compare-tab.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(96, 93, 236, 0.4);
  transform: translateY(-2px);
}

/* 除湿产品类型装饰背景 */
.dehumidify-type-bg {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  border-radius: 12px;
}

.dehumidify-type-bg[data-type="智爽除湿"] {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.dehumidify-type-bg[data-type="除湿全热"] {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.dehumidify-type-bg[data-type="新风除湿"] {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.dehumidify-type-bg[data-type="白色"] {
  background: linear-gradient(135deg, #ffffff 0%, #f3f4f6 100%);
  color: #374151;
  border: 1px solid #e5e7eb;
}

/* 除湿对比表格样式优化 */
.feature-table.dehumidify th .dehumidify-type-bg,
.params-table.dehumidify th .dehumidify-type-bg {
  display: block;
  margin-bottom: 6px;
}

.feature-table.dehumidify th .series-badge,
.params-table.dehumidify th .series-badge {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  padding: 0;
  border-radius: 0;
}

.feature-table.dehumidify th .series-highlight,
.params-table.dehumidify th .series-highlight {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 0;
}

/* 除湿产品参数底部备注 */
.params-note {
  margin-top: 4px;
  padding: 0 16px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.params-note p {
  margin: 0;
}

.entry-grid,
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.entry-card,
.product-card {
  position: relative;
  display: grid;
  overflow: hidden;
  background: #FFFFFF;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(96, 93, 236, 0.08);
  border-radius: 16px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.entry-card::before,
.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(96, 93, 236, 0.5), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.entry-card:hover,
.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(96, 93, 236, 0.3);
  box-shadow: 
    0 20px 40px rgba(96, 93, 236, 0.08),
    0 4px 16px rgba(96, 93, 236, 0.06);
}

.entry-card:hover::before,
.product-card:hover::before {
  opacity: 1;
}

.entry-card {
  min-height: 240px;
  padding: 28px;
  background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
}

.entry-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.entry-card .button {
  margin-top: auto;
}

.product-card {
  grid-template-rows: 190px auto;
  min-height: 440px;
}

.product-art {
  position: relative;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.1) 0%, rgba(0, 212, 255, 0.05) 100%);
}

.product-image {
  width: 90%;
  height: auto;
  object-fit: contain;
  max-height: 130px;
}

.product-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px;
}

.product-body h3 {
  margin-bottom: 0;
}

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

.tag {
  padding: 6px 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 999px;
}

.product-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  color: var(--text-secondary);
  font-size: 14px;
}

.product-meta strong {
  display: block;
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 700;
}

.card-actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

.card-actions .button {
  flex: 1;
  min-height: 42px;
}

.section-muted {
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.03) 0%, rgba(14, 165, 233, 0.02) 100%);
}

.table-wrap {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

table {
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--text-secondary);
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.06) 0%, rgba(14, 165, 233, 0.03) 100%);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

td {
  color: var(--text-primary);
}

tr:hover td {
  background: rgba(96, 93, 236, 0.04);
}

.tools-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 1fr);
  gap: 24px;
  align-items: start;
}

.tool-panel,
.result-panel,
.six-copy {
  padding: 28px;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.9) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.tool-panel {
  display: grid;
  gap: 18px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--text-primary);
  font-weight: 600;
}

label span {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-weight: 500;
}

input,
select {
  width: 100%;
  min-height: 44px;
  padding: 0 16px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  font: inherit;
  transition: all 0.3s ease;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(96, 93, 236, 0.2);
}

input::placeholder,
select::placeholder {
  color: var(--text-muted);
}

.result-panel h3 {
  margin-bottom: 12px;
}

.result-number {
  margin: 20px 0;
  color: var(--accent);
  font-size: 48px;
  font-weight: 900;
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.recommend-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.recommend-list li {
  padding: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  transition: all 0.3s ease;
}

.recommend-list li:hover {
  background: rgba(96, 93, 236, 0.1);
  border-color: rgba(96, 93, 236, 0.3);
}

.six-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(320px, 1fr);
  gap: 28px;
  align-items: stretch;
}

.six-visual {
  position: relative;
  min-height: 430px;
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.1) 0%, rgba(0, 212, 255, 0.05) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
}

.comfort-core {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  place-items: center;
  width: 130px;
  height: 130px;
  color: #fff;
  font-size: 72px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 
    0 20px 40px rgba(96, 93, 236, 0.4),
    0 0 60px rgba(0, 212, 255, 0.3);
}

.six-visual span {
  position: absolute;
  left: var(--x);
  top: var(--y);
  display: grid;
  place-items: center;
  width: 76px;
  height: 76px;
  color: var(--text-primary);
  font-weight: 800;
  background: linear-gradient(135deg, rgba(51, 65, 85, 0.9) 0%, rgba(30, 41, 59, 0.95) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.six-visual span:hover {
  transform: translate(-50%, -50%) scale(1.1);
  border-color: var(--primary);
}

.six-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.six-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0 26px;
}

.six-stats span {
  padding: 16px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  text-align: center;
}

.six-stats strong {
  display: block;
  color: var(--accent);
  font-size: 26px;
  font-weight: 800;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
}

.modal[aria-hidden="false"] {
  display: block;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  position: relative;
  width: min(1100px, calc(100vw - 28px));
  max-height: calc(100vh - 28px);
  margin: 14px auto;
  overflow-y: auto;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 
    0 25px 50px -12px rgba(0, 0, 0, 0.25),
    0 4px 16px rgba(96, 93, 236, 0.08);
  animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

.icon-button {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 40px;
  height: 40px;
  color: var(--text-secondary);
  font-size: 24px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.icon-button:hover {
  background: var(--surface-light);
  transform: scale(1.1);
}

.modal-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding: 56px 24px 24px;
}

.modal-detail-header {
  display: flex;
  gap: 24px;
  align-items: center;
}

.modal-detail-info {
  flex: 1;
  min-width: 0;
  max-width: 60%;
}

.modal-detail-img {
  flex-shrink: 0;
  width: 240px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.1) 0%, rgba(0, 212, 255, 0.05) 100%);
  border-radius: 16px;
  padding: 16px;
}

.modal-detail-img img {
  width: 90%;
  max-height: 180px;
  object-fit: contain;
}

.params-section {
  margin-top: 20px;
}

.params-title {
  margin-bottom: 12px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.params-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* 参数表首列固定（对比页下方表格） */
.params-table th:first-child,
.params-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background-clip: padding-box;
}

.params-table th:first-child {
  z-index: 3;
}

.params-table tbody tr:hover td:first-child {
  background: var(--surface-light);
}

/* 除参数表外，对比页功能表也追加首列固定 */
.feature-table th:first-child,
.feature-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background-clip: padding-box;
}

.feature-table th:first-child {
  z-index: 3;
}

.feature-table tbody.feature-group tr:hover td:first-child {
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.06) 0%, rgba(14, 165, 233, 0.03) 100%);
}

/* 功能表的分类列在 sticky 时确保背景填充 */
.feature-table .feature-category {
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.06) 0%, rgba(14, 165, 233, 0.03) 100%);
}

.params-table {
  width: 100%;
  min-width: auto;
  border-collapse: collapse;
  font-size: 13px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.params-table th,
.params-table td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  white-space: nowrap;
  background: var(--surface);
  color: var(--text-primary);
}

.params-table th:first-child,
.params-table .param-label {
  text-align: left;
}

.params-table th:not(:first-child),
.params-table td:not(.param-label) {
  text-align: center;
}

.params-table th {
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.08) 0%, rgba(14, 165, 233, 0.04) 100%);
  font-weight: 700;
  font-size: 13px;
  color: var(--text-primary);
}

.params-table .param-label {
  text-align: left;
  font-weight: 600;
  background: var(--surface-light);
  white-space: nowrap;
  color: var(--text-secondary);
  font-size: 12px;
}

.params-table td .param-unit {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 400;
}

.params-table tbody tr:hover td {
  background: rgba(96, 93, 236, 0.03);
}

.feature-table {
  min-width: auto;
}

.feature-table th {
  padding: 16px 18px;
  text-align: center;
  vertical-align: middle;
  line-height: 1.5;
}

.series-highlight {
  margin-top: 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.feature-table th:first-child,
.feature-table th:nth-child(2) {
  text-align: left;
  min-width: 100px;
}

.series-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.series-badge[data-series="zjd3c"] {
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.series-badge[data-series="zdp2c"] {
  color: #fff;
  background: linear-gradient(135deg, #0EA5E9 0%, #0284C7 100%);
}

.series-badge[data-series="zm2c"] {
  color: #fff;
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
}

.series-badge[data-series="zy1c"] {
  color: #fff;
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
}

.feature-table .feature-category {
  font-weight: 800;
  font-size: 14px;
  color: var(--text-primary);
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.06) 0%, rgba(14, 165, 233, 0.03) 100%);
  text-align: center;
  vertical-align: middle;
  white-space: nowrap;
  padding: 10px 16px;
  min-width: 80px;
}

.feature-table .feature-label {
  padding: 10px 16px;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 13px;
  white-space: nowrap;
}

.feature-table .feature-cell {
  padding: 10px 16px;
  text-align: center;
  font-size: 15px;
}

.feature-table .check-yes {
  color: var(--success);
  font-weight: 800;
  font-size: 18px;
  position: relative;
}

.feature-table .check-yes::before {
  content: '';
  position: absolute;
  width: 28px;
  height: 28px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
}

.feature-table .check-no {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 16px;
  opacity: 0.4;
}

.feature-zjd3c {
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.12) 0%, rgba(96, 93, 236, 0.08) 100%) !important;
}

.feature-zjd3c .check-yes {
  color: var(--primary) !important;
}

.feature-zjd3c .check-yes::before {
  background: rgba(96, 93, 236, 0.25) !important;
}

.feature-zdp2c {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12) 0%, rgba(14, 165, 233, 0.08) 100%) !important;
}

.feature-zdp2c .check-yes {
  color: #0284C7 !important;
}

.feature-zdp2c .check-yes::before {
  background: rgba(14, 165, 233, 0.25) !important;
}

.feature-table tbody.feature-group:not(:last-child) {
  border-bottom: 2px solid var(--border);
}

.download-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.download-list a {
  display: flex;
  justify-content: space-between;
  padding: 14px;
  color: var(--primary);
  background: rgba(96, 93, 236, 0.06);
  border: 1px solid rgba(96, 93, 236, 0.15);
  border-radius: 10px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.download-list a:hover {
  background: rgba(96, 93, 236, 0.12);
  border-color: rgba(96, 93, 236, 0.3);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: var(--text-muted);
  background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
  border-top: 1px solid rgba(96, 93, 236, 0.08);
}

/* ── 新风选型工具 ── */
.selx-heading {
  margin-bottom: 16px;
}

.selx-heading h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.selx-heading p {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.selx-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.selx-heading h2 {
  flex: 1 1 auto;
}

.selx-heading p {
  flex: 1 1 100%;
}

.selx-export-btns {
  display: flex;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

.selx-export-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.selx-export-btn svg {
  flex-shrink: 0;
}

.selx-export-xlsx {
  background: #16a34a;
  color: #fff;
}

.selx-export-xlsx:hover {
  background: #15803d;
  box-shadow: 0 2px 8px rgba(22, 163, 74, 0.3);
}

@media (max-width: 768px) {
  .selx-heading {
    flex-direction: column;
    align-items: flex-start;
  }
  .selx-export-btns {
    margin-left: 0;
    width: 100%;
  }
  .selx-export-btn {
    flex: 1;
    justify-content: center;
  }
}

.selx-layout {
  display: grid;
  grid-template-columns: 1fr minmax(300px, 400px);
  gap: 20px;
  align-items: start;
}

.selx-layout-vertical {
  grid-template-columns: 1fr;
}

.selx-layout-vertical .selx-result {
  position: static;
  min-height: auto;
  overflow: visible;
}

.selx-layout-vertical .selx-result-b {
  flex-direction: column;
  gap: 16px;
}

.selx-layout-vertical .selx-device {
  margin-bottom: 0;
}

.selx-layout-vertical .selx-airflow {
  margin-bottom: 0;
}

.selx-layout-vertical .selx-reason {
  margin-bottom: 0;
}

.selx-layout-vertical .selx-reason table {
  font-size: 12px;
}

.selx-layout-vertical .selx-reason th,
.selx-layout-vertical .selx-reason td {
  padding: 6px 10px;
}

.selx-layout-vertical .selx-reason th {
  font-size: 11px;
}

.selx-full-width {
  grid-column: 1 / -1;
  margin-bottom: 10px;
}

.selx-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.selx-card-compact {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}

.selx-title {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

/* 选型模式 + 设备功能 合并行 */
.selx-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.selx-mode {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.mode-btn {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.mode-btn:hover {
  border-color: var(--primary-light);
  color: var(--text-primary);
}

.mode-btn.active {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(96,93,236,0.08) 0%, rgba(14,165,233,0.04) 100%);
  color: var(--primary);
}

.selx-features-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* 设备功能选择 */
.selx-features {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.feat-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.25s ease;
  margin: 0;
}

.feat-btn:hover {
  border-color: var(--primary-light);
  background: rgba(96,93,236,0.04);
}

.feat-btn:has(input:checked) {
  border-color: var(--primary);
  background: rgba(96,93,236,0.08);
}

.feat-btn input {
  width: 15px;
  height: 15px;
  accent-color: var(--primary);
  min-height: auto;
  margin: 0;
  cursor: pointer;
}

.feat-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

/* 两列布局 */
.selx-two-col {
  display: flex;
  gap: 24px;
  align-items: stretch;
}

.selx-col-block {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.selx-block-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.selx-block-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.selx-col-block .selx-field {
  width: 100%;
  min-width: 0;
  max-width: none;
}

.selx-ach-row {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.selx-field.ach-full {
  width: 100%;
}

.selx-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 110px;
}

.selx-field > label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  display: block;
  white-space: nowrap;
}

.inp-unit {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}

.inp-unit input {
  flex: 1;
  min-height: 34px;
  border: none;
  border-radius: 0;
  padding: 0 10px;
  font-weight: 600;
  font-size: 13px;
  background: transparent;
}

.inp-unit input:focus {
  box-shadow: none;
  outline: none;
}

.inp-u {
  padding: 0 10px;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--surface-light);
  line-height: 34px;
  border-left: 1px solid var(--border);
  white-space: nowrap;
}

/* 换气次数选择 */
.selx-achs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ach-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s ease;
  width: 100%;
}

.ach-v {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.ach-d {
  font-size: 11px;
  color: var(--text-muted);
}

.ach-card.ach-custom {
  padding: 10px 14px;
  width: 100%;
}

.ach-custom-input {
  width: 100%;
  min-height: 34px;
  padding: 0 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  text-align: center;
  transition: all 0.25s ease;
}

.ach-custom-input::placeholder {
  color: var(--text-muted);
}

.ach-card:hover .ach-custom-input,
.ach-card:has(input[type="radio"]:checked) .ach-custom-input {
  border-color: var(--primary);
  background: rgba(96,93,236,0.06);
}

.ach-custom-input:focus {
  border-color: var(--primary);
  background: rgba(96,93,236,0.08);
  outline: none;
  box-shadow: 0 0 0 3px rgba(96,93,236,0.15);
}

.ach-card:hover {
  border-color: var(--primary-light);
  background: rgba(96,93,236,0.04);
}

.ach-card:has(input:checked) {
  border-color: var(--primary);
  background: rgba(96,93,236,0.08);
}

.ach-card input[type="radio"] {
  width: 14px;
  height: 14px;
  accent-color: var(--primary);
  min-height: auto;
  margin: 0;
  cursor: pointer;
}

.ach-v {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.ach-d {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* 房间列表 */
.selx-rooms {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.room-row {
  padding: 10px 12px;
  background: var(--surface-light);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.room-row-h {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.room-row .room-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
}

.room-del {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.room-del:hover {
  border-color: var(--error);
  color: var(--error);
  background: rgba(239,68,68,0.06);
}

.room-row-f {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
}

.room-row-f select,
.room-row-f input[type="text"] {
  min-height: 32px;
  font-size: 12px;
  width: 80px;
  flex-shrink: 0;
  padding: 0 8px;
}

.room-row-f .inp-unit {
  flex: 0 0 auto;
  min-width: 0;
}

.room-row-f .inp-unit input {
  min-height: 32px;
  font-size: 12px;
  padding: 0 6px;
  width: 64px;
}

.room-row-f .inp-unit .inp-u {
  font-size: 10px;
  padding: 0 4px;
  line-height: 32px;
  white-space: nowrap;
}

.room-add {
  margin-top: 8px;
  width: 100%;
}

/* 结果面板 */
.selx-result {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
  overflow: hidden;
  position: sticky;
  top: 76px;
  min-height: 320px;
}

.selx-result-h {
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--border);
}

.selx-result-h h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.selx-result-b {
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.selx-airflow {
  text-align: center;
  padding: 10px 12px;
  background: rgba(0,0,0,0.02);
  border-radius: 8px;
  margin-bottom: 10px;
}

.selx-rl {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.selx-rv {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.1;
}

.selx-reason {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.5;
}

.selx-reason table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  margin-top: 4px;
}

.selx-reason th,
.selx-reason td {
  padding: 3px 6px;
  border: 1px solid var(--border);
  text-align: center;
}

.selx-reason th {
  background: var(--surface-light);
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 10px;
}

.selx-device {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 16px;
}

.selx-device-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 20px;
  background: linear-gradient(135deg, rgba(96,93,236,0.08) 0%, rgba(14,165,233,0.04) 100%);
  border: 2px solid var(--primary-light);
  border-radius: 14px;
  transition: all 0.25s ease;
}

.selx-device-item:hover {
  border-color: var(--primary);
  background: rgba(96,93,236,0.12);
}

.selx-device-item .dev-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  white-space: nowrap;
}

.selx-device-item .dev-info {
  flex: 1;
  min-width: 0;
}

.selx-device-item .dev-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.selx-device-item .dev-model {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 1px;
}

.selx-device-item .dev-airflow {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
  text-align: right;
}

.dev-detail-btn {
  min-height: 36px;
  padding: 0 18px;
  font-size: 12px;
  border-radius: 10px;
  white-space: nowrap;
}

.selx-empty {
  text-align: center;
  padding: 24px 12px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
}

@media (max-width: 980px) {
  .selx-layout {
    grid-template-columns: 1fr;
  }

  .selx-result {
    position: static;
  }

  .selx-row {
    flex-direction: column;
    align-items: stretch;
  }

  .selx-mode {
    justify-content: center;
  }

  .selx-features {
    justify-content: center;
  }

  .selx-inputs {
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .room-row-f {
    flex-wrap: wrap;
  }

  .room-row-f select {
    width: 100%;
  }

  .room-row-f .inp-unit {
    flex: 1 1 45%;
  }

  .selx-device-item {
    flex-wrap: wrap;
  }
}

@media (max-width: 1200px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  
  .product-category {
    padding: 16px;
  }
}

@media (max-width: 980px) {
  .tools-layout,
  .six-grid,
  .modal-detail {
    grid-template-columns: 1fr;
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    justify-self: center;
    text-align: center;
  }

  .hero-copy .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    justify-content: center;
  }

  .hero-visual-img {
    max-height: 50vh;
    max-width: 90vw;
  }

  .hero {
    min-height: auto;
  }

  .entry-grid,
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-grid-grouped {
    gap: 24px;
  }
}

/* ── 6恒系统空调选型样式 ── */
.ac-room-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.ac-room-table th,
.ac-room-table td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  text-align: center;
  vertical-align: middle;
}

.ac-room-table th {
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.06) 0%, rgba(14, 165, 233, 0.03) 100%);
  font-weight: 700;
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  white-space: normal;
  line-height: 1.3;
}

.ac-room-table td {
  background: var(--surface);
}

.ac-room-table tr:hover td {
  background: rgba(96, 93, 236, 0.04);
}

.ac-room-table tr:hover input,
.ac-room-table tr:hover select {
  box-shadow: inset 0 -1px 0 rgba(96, 93, 236, 0.25);
}

.ac-room-table input {
  width: calc(100% + 24px) !important;
  height: calc(100% + 16px);
  margin: -8px -12px;
  padding: 0 6px;
  font: inherit;
  font-size: 12px;
  text-align: center;
  color: var(--text-primary);
  border: none;
  border-radius: 0;
  background: transparent;
  box-sizing: border-box;
  line-height: inherit;
  cursor: text;
}

.ac-room-table input:focus {
  background: var(--surface);
  outline: none;
  box-shadow: inset 0 -2px 0 var(--primary) !important;
}

.ac-room-table select {
  width: calc(100% + 24px) !important;
  height: calc(100% + 16px);
  margin: -8px -12px;
  padding: 0 4px;
  font: inherit;
  font-size: 12px;
  text-align: center;
  color: var(--text-primary);
  border: none;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  box-sizing: border-box;
  line-height: inherit;
}

.ac-room-table select:focus {
  background: var(--surface);
  outline: none;
  box-shadow: inset 0 -2px 0 var(--primary) !important;
}

.ac-room-table .ac-del-btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ac-room-table .ac-del-btn:hover {
  border-color: var(--error);
  color: var(--error);
  background: rgba(239, 68, 68, 0.06);
}

.ac-room-table .ac-r-actual.insufficient {
  color: #ef4444;
  font-weight: 700;
  background: rgba(239, 68, 68, 0.1);
}

/* 调湿模块行：与空调行保持一致的默认样式 */
.ac-room-table .ac-humid-row td {
  /* 底色与空调行保持一致 */
}
.ac-room-table .ac-humid-floor {
  font-size: 13px;
  color: var(--text-primary);
}
.ac-room-table .ac-humid-name {
  color: var(--text-primary);
  font-size: 13px;
}
.ac-room-table .ac-humid-capacity {
  font-weight: 400;
  color: var(--text-primary);
}
.ac-room-table tr.ac-system-total {
  border-top: 2px solid var(--primary);
}

.fresh-room-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.fresh-room-table th,
.fresh-room-table td {
  padding: 8px 10px;
  border: 1px solid var(--border);
  text-align: center;
  vertical-align: middle;
}

.fresh-room-table th {
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.06) 0%, rgba(14, 165, 233, 0.03) 100%);
  font-weight: 700;
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  white-space: normal;
  line-height: 1.3;
}

.fresh-room-table td {
  background: var(--surface);
}

.fresh-room-table tr:hover td {
  background: rgba(96, 93, 236, 0.04);
}

.fresh-room-table tr:hover input,
.fresh-room-table tr:hover select {
  box-shadow: inset 0 -1px 0 rgba(96, 93, 236, 0.25);
}

.fresh-room-table input {
  width: calc(100% + 20px) !important;
  height: calc(100% + 16px);
  margin: -8px -10px;
  padding: 0 6px;
  font: inherit;
  font-size: 12px;
  text-align: center;
  color: var(--text-primary);
  border: none;
  border-radius: 0;
  background: transparent;
  box-sizing: border-box;
  line-height: inherit;
  cursor: text;
}

.fresh-room-table input:focus {
  background: var(--surface);
  outline: none;
  box-shadow: inset 0 -2px 0 var(--primary) !important;
}

.fresh-room-table select {
  width: calc(100% + 20px) !important;
  height: calc(100% + 16px);
  margin: -8px -10px;
  padding: 0 4px;
  font: inherit;
  font-size: 12px;
  text-align: center;
  color: var(--text-primary);
  border: none;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  box-sizing: border-box;
  line-height: inherit;
}

.fresh-room-table select:focus {
  background: var(--surface);
  outline: none;
  box-shadow: inset 0 -2px 0 var(--primary) !important;
}

.fresh-room-table .calc-cell {
  background: rgba(96, 93, 236, 0.03);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.fresh-room-table .room-del {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.fresh-room-table .room-del:hover {
  border-color: var(--error);
  color: var(--error);
  background: rgba(239, 68, 68, 0.06);
}

.fresh-room-table input[type="number"]::-webkit-inner-spin-button,
.fresh-room-table input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.fresh-room-table input[type="number"] {
  -moz-appearance: textfield;
}

.ac-outdoor-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.ac-outdoor-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}

.ac-outdoor-table tr:last-child td {
  border-bottom: none;
}

.ac-outdoor-table .label {
  width: 100px;
  font-weight: 600;
  color: var(--text-secondary);
}

.ac-outdoor-table .value {
  font-weight: 700;
  color: var(--text-primary);
}

@media (max-width: 680px) {
  .topbar {
    min-height: 120px;
    padding: 16px clamp(14px, 4vw, 28px);
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .brand {
    position: static;
    margin-bottom: 6px;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

  .brand strong {
    font-size: 18px;
  }

  .brand small {
    font-size: 12px;
  }

  .nav {
    width: 100%;
    justify-content: center;
    padding-bottom: 6px;
    gap: clamp(10px, 3vw, 18px);
    font-size: 14px;
  }

  .nav a {
    padding: 12px 18px;
    font-size: 14px;
    border-radius: 12px;
  }

  .entry-grid,
  .product-grid,
  .six-stats {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 310px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-copy {
    justify-self: center;
    text-align: center;
  }

  .hero-copy .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    justify-content: center;
  }

  .hero-visual-img {
    max-height: 40vh;
    max-width: 90vw;
  }

  .kv-page-hero {
    min-height: 420px;
  }

  .unit {
    grid-template-columns: 48px 1fr 48px;
    height: 166px;
    padding: 18px;
  }

  .unit-label {
    font-size: 24px;
  }

  .modal-card {
    width: calc(100vw - 16px);
    max-height: calc(100vh - 16px);
    margin: 8px auto;
    border-radius: 14px;
  }

  .modal-detail {
    padding: 48px 16px 16px;
  }

  .feature-table .feature-category {
    writing-mode: vertical-lr;
    letter-spacing: 6px;
    padding: 18px 8px;
    min-width: 30px;
  }
}.ac-systems {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.ac-system-item {
  flex: 1;
  min-width: 200px;
  background: var(--surface-light);
  border-radius: 8px;
  padding: 12px;
}

.system-title {
  font-weight: 700;
  font-size: 14px;
  color: var(--primary);
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.ac-system-item .ac-outdoor-table {
  background: transparent;
}

.ac-system-item .ac-outdoor-table td {
  padding: 6px 10px;
  border-bottom: none;
}

.ac-system-item .ac-outdoor-table tr:last-child td {
  border-bottom: none;
}
.ac-room-table input[type="number"]::-webkit-inner-spin-button,
.ac-room-table input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.ac-room-table input[type="number"] {
  -moz-appearance: textfield;
}

.selx-hub {
  max-width: 900px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 80px) clamp(16px, 3vw, 48px);
}

.selx-hub-heading {
  text-align: center;
  margin-bottom: 40px;
}

.selx-hub-heading h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.selx-hub-heading p {
  color: var(--text-secondary);
  font-size: 17px;
}

.selx-hub-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.selx-hub-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 28px 24px;
  background: #FFFFFF;
  border: 1px solid rgba(96, 93, 236, 0.1);
  border-radius: 16px;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.selx-hub-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.selx-hub-card:hover {
  transform: translateY(-4px);
  border-color: rgba(96, 93, 236, 0.3);
  box-shadow:
    0 12px 32px rgba(96, 93, 236, 0.1),
    0 4px 12px rgba(0, 0, 0, 0.04);
}

.selx-hub-card:hover::before {
  opacity: 1;
}

.selx-hub-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.1) 0%, rgba(14, 165, 233, 0.06) 100%);
  border-radius: 14px;
  color: var(--primary);
}

.selx-hub-icon svg {
  width: 28px;
  height: 28px;
}

.selx-hub-info {
  flex: 1;
  min-width: 0;
}

.selx-hub-info h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.selx-hub-info p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.selx-hub-arrow {
  flex-shrink: 0;
  font-size: 20px;
  color: var(--text-muted);
  transition: all 0.3s ease;
}

.selx-hub-card:hover .selx-hub-arrow {
  color: var(--primary);
  transform: translateX(4px);
}

.selx-hub-badge {
  flex-shrink: 0;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.15);
  border-radius: 999px;
  white-space: nowrap;
}

.selx-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  margin: 16px 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.selx-back-btn:hover {
  color: var(--primary);
  border-color: rgba(96, 93, 236, 0.3);
  background: rgba(96, 93, 236, 0.05);
  transform: translateX(-4px);
}

.selx-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  padding: 60px 24px;
  text-align: center;
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.03) 0%, rgba(14, 165, 233, 0.02) 100%);
  border: 2px dashed rgba(96, 93, 236, 0.15);
  border-radius: 20px;
}

.selx-placeholder-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, rgba(96, 93, 236, 0.08) 0%, rgba(14, 165, 233, 0.05) 100%);
  border-radius: 50%;
  color: var(--primary-light);
}

.selx-placeholder-icon svg {
  width: 40px;
  height: 40px;
}

.selx-placeholder h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.selx-placeholder p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 640px) {
  .selx-hub-grid {
    grid-template-columns: 1fr;
  }

  .selx-hub-card {
    padding: 20px 18px;
  }
}

.selx-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  background: rgba(96, 93, 236, 0.06);
  border-radius: 12px;
  padding: 4px;
  overflow-x: auto;
}

.selx-tab {
  flex: 1;
  min-width: 80px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.selx-tab:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.5);
}

.selx-tab.active {
  color: var(--primary);
  background: #fff;
  box-shadow: 0 2px 8px rgba(96,93,236,0.12);
}

.selx-tab-content {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.smart-room-table th {
  white-space: nowrap;
}

.smart-system-card {
  background: var(--surface-light);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 16px;
}

.smart-system-card:last-child {
  margin-bottom: 0;
}

.smart-system-title-inline .param-value {
  white-space: nowrap;
}

.smart-system-params {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.smart-system-param {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.smart-system-param label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.smart-system-param select,
.smart-system-param .param-value {
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  min-height: 38px;
}

.smart-system-param .param-value {
  display: flex;
  align-items: center;
  font-weight: 600;
  color: var(--text-primary);
}

.smart-system-param select:disabled {
  background: #e5e5e5 !important;
  color: #888 !important;
  cursor: not-allowed;
  opacity: 0.7;
}

.smart-equip-table .sf-sys-cell {
  background: var(--surface-light);
}

.smart-equip-table tbody tr:hover {
  background: #f7f8fc;
}

.selx-switch-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  padding: 8px 0;
}

.selx-switch-label input {
  display: none;
}

.selx-switch {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--border);
  border-radius: 12px;
  transition: background 0.3s ease;
  flex-shrink: 0;
}

.selx-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.3s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.selx-switch-label input:checked + .selx-switch {
  background: var(--primary);
}

.selx-switch-label input:checked + .selx-switch::after {
  transform: translateX(20px);
}

.fh-room-table .fh-heat-input {
  width: 100px;
  min-height: 32px;
  padding: 0 8px;
  font-size: 12px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-light);
}

.a2w-result-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 20px;
  background: linear-gradient(135deg, rgba(96,93,236,0.05), rgba(14,165,233,0.03));
  border: 1px solid rgba(96,93,236,0.15);
  border-radius: 12px;
  flex-wrap: wrap;
}

.a2w-result-info {
  flex: 1;
  min-width: 200px;
}

.a2w-result-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.a2w-result-info p {
  font-size: 14px;
  color: var(--text-secondary);
}

.a2w-result-select {
  display: flex;
  align-items: center;
  gap: 8px;
}

.a2w-result-select label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.a2w-result-select select {
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  min-width: 160px;
}

.summary-table {
  width: 100%;
}

.summary-table th:first-child {
  width: 140px;
}

.summary-table .sum-category {
  background: #f0f4f8;
  font-weight: 600;
  text-align: center;
  vertical-align: middle;
  border-right: 2px solid var(--border);
  color: var(--text);
}

.summary-table .sum-check-col {
  text-align: center;
}

.summary-table .sum-check-col input {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.summary-empty {
  text-align: center;
  padding: 30px;
  color: var(--text-muted);
  font-size: 14px;
}

/* 6恒产品图片展示 */
.six-product-content {
  margin-top: 24px;
  padding: 24px;
  background: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--border);
}

.six-product-content h3 {
  color: var(--text-primary);
  font-size: 24px;
  margin-bottom: 12px;
}

.six-product-content p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 12px;
}

.six-product-content ul {
  margin: 16px 0;
  padding-left: 24px;
}

.six-product-content li {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 8px;
}

.six-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.six-images img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.six-images img:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

/* Banner carousel (homepage hero) */
.banner-carousel {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border-radius: 20px;
}

.banner-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.banner-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  visibility: hidden;
  filter: saturate(1.06) contrast(1.02);
  transition:
    opacity 0.8s ease,
    visibility 0.8s ease,
    filter 0.6s ease;
  z-index: 0;
}

.banner-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
  filter: saturate(1.1) contrast(1.04);
}

/* 暗角 + 顶部高光叠加层 */
.banner-carousel::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, transparent 55%, rgba(15, 23, 42, 0.22) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, transparent 30%, transparent 70%, rgba(15, 23, 42, 0.18) 100%);
  z-index: 2;
  pointer-events: none;
}

.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.35);
  color: #fff;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease,
    background 0.2s ease,
    transform 0.2s ease,
    border-color 0.2s ease;
}

.banner-carousel:hover .banner-arrow,
.banner-carousel:focus-within .banner-arrow {
  opacity: 1;
  visibility: visible;
}

.banner-arrow:hover {
  background: rgba(96, 93, 236, 0.55);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-50%) scale(1.06);
}

.banner-prev { left: 14px; }
.banner-next { right: 14px; }

.banner-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 3;
}

.banner-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease, width 0.25s ease;
}

.banner-dot:hover { background: rgba(255, 255, 255, 0.85); }

.banner-dot.active {
  background: #fff;
  width: 22px;
  border-radius: 4px;
}

/* ── Export Dialog ── */
.export-dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.export-dialog {
  background: #fff;
  border-radius: 16px;
  width: 90%;
  max-width: 460px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
  overflow: hidden;
  animation: slideUp 0.25s ease;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.export-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 12px;
  border-bottom: 1px solid var(--border);
}
.export-dialog-header h3 {
  margin: 0;
  font-size: 18px;
  color: var(--text-primary);
}
.export-dialog-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.export-dialog-close:hover { color: var(--text-primary); }
.export-dialog-body {
  padding: 20px 24px;
}
.export-dialog-desc {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--text-secondary);
}
.export-form-row {
  margin-bottom: 14px;
}
.export-form-row label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.export-form-row input,
.export-form-row textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-primary);
  background: var(--surface-light);
  transition: border-color 0.2s ease;
  font-family: inherit;
}
.export-form-row input:focus,
.export-form-row textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(96, 93, 236, 0.12);
}
.export-form-row textarea {
  resize: vertical;
  min-height: 56px;
}
.export-dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px 20px;
  border-top: 1px solid var(--border);
}
.export-cancel-btn {
  padding: 9px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.export-cancel-btn:hover {
  background: var(--surface-light);
}
.export-confirm-btn {
  padding: 9px 24px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.export-confirm-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(96, 93, 236, 0.35);
}

/* ── Export Format Grid ── */
.export-format-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}
.export-format-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 12px;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}
.export-format-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(96, 93, 236, 0.15);
  transform: translateY(-2px);
}
.export-format-card:active {
  transform: translateY(0);
}
.export-format-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #dbeafe, #ede9fe);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.export-format-icon svg {
  width: 26px;
  height: 26px;
}
.export-format-icon.pdf-icon {
  background: linear-gradient(135deg, #fce7f3, #ede9fe);
  color: #db2777;
}
.export-format-info {
  text-align: center;
}
.export-format-info strong {
  display: block;
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.export-format-info span {
  font-size: 11px;
  color: var(--text-muted);
}