.catalog-page {
  background: #f3f4f2;
}

.catalog-page .content-header {
  position: fixed;
  right: 0;
  left: 0;
}

.catalog-hero {
  min-height: 86svh;
  padding: 150px 0 90px;
  display: flex;
  align-items: flex-end;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: #0a0e12;
  color: #fff;
}

.catalog-hero > img,
.catalog-hero-shade {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
}

.catalog-hero > img {
  object-fit: cover;
  filter: saturate(0.62) brightness(0.48);
}

.catalog-hero-shade {
  z-index: -1;
  background: linear-gradient(90deg, rgba(5, 8, 11, 0.98) 0%, rgba(5, 8, 11, 0.78) 52%, rgba(5, 8, 11, 0.18) 84%), linear-gradient(0deg, rgba(5, 8, 11, 0.74), transparent 48%);
}

.catalog-hero h1 {
  margin: 22px 0 0;
  font-family: var(--font-display);
  font-size: 76px;
  line-height: 1.02;
}

.catalog-hero .content-shell > p:not(.eyebrow) {
  max-width: 760px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  line-height: 1.85;
}

.catalog-hero .content-shell > div {
  margin-top: 34px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.catalog-hero strong {
  font-family: var(--font-display);
  font-size: 54px;
}

.catalog-hero .content-shell > div span {
  color: rgba(255, 255, 255, 0.56);
  font-size: 11px;
}

.catalog-section {
  padding-bottom: 110px;
}

.catalog-tools {
  position: sticky;
  z-index: 10;
  top: 68px;
  border-bottom: 1px solid rgba(21, 24, 27, 0.18);
  background: rgba(243, 244, 242, 0.96);
  backdrop-filter: blur(14px);
}

.catalog-tools > div {
  min-height: 86px;
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto auto;
  align-items: center;
  gap: 30px;
}

.catalog-tools label {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  align-items: center;
  gap: 18px;
}

.catalog-tools label > span,
.catalog-tools > div > span {
  color: #6f767c;
  font-size: 11px;
}

.catalog-tools input {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 0;
  border-bottom: 1px solid rgba(21, 24, 27, 0.45);
  border-radius: 0;
  outline: none;
  background: transparent;
  color: #15181b;
  font: inherit;
  font-size: 13px;
}

.catalog-tools input:focus {
  border-bottom-color: #175ee6;
}

.catalog-tools button {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid rgba(21, 24, 27, 0.42);
  background: transparent;
  color: #15181b;
  cursor: pointer;
  font-size: 12px;
}

.catalog-list {
  padding-top: 54px;
  border-bottom: 1px solid rgba(21, 24, 27, 0.22);
}

.catalog-item {
  border-top: 1px solid rgba(21, 24, 27, 0.22);
}

.catalog-item summary {
  min-height: 150px;
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) 220px 42px;
  align-items: center;
  gap: 24px;
  cursor: pointer;
  list-style: none;
}

.catalog-item summary::-webkit-details-marker {
  display: none;
}

.catalog-number {
  color: #6b7896;
  font-family: var(--font-label);
  font-size: 11px;
}

.catalog-title small {
  color: #7a8187;
  font-family: var(--font-label);
  font-size: 9px;
}

.catalog-title h2 {
  max-width: 760px;
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 29px;
  line-height: 1.25;
}

.catalog-item summary > img {
  width: 220px;
  height: 108px;
  object-fit: cover;
  filter: saturate(0.7);
}

.catalog-indicator {
  width: 34px;
  height: 34px;
  position: relative;
  border: 1px solid rgba(21, 24, 27, 0.35);
  border-radius: 50%;
}

.catalog-indicator::before,
.catalog-indicator::after {
  width: 11px;
  height: 1px;
  position: absolute;
  top: 16px;
  left: 11px;
  background: currentColor;
  content: "";
}

.catalog-indicator::after {
  transform: rotate(90deg);
  transition: transform 180ms ease;
}

.catalog-item[open] .catalog-indicator::after {
  transform: rotate(0);
}

.catalog-item[open] .catalog-indicator {
  border-color: #15181b;
  background: #15181b;
  color: #fff;
}

.catalog-detail {
  padding: 22px 0 54px 94px;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1.2fr);
  align-items: start;
  gap: 70px;
}

.catalog-detail-label {
  margin: 0;
  color: #6a7897;
  font-family: var(--font-label);
  font-size: 10px;
}

.catalog-detail div > p:nth-child(2) {
  margin: 22px 0 0;
  color: #4f575e;
  font-size: 14px;
  line-height: 1.92;
}

.catalog-detail > img {
  width: 100%;
  height: 390px;
  object-fit: cover;
}

.catalog-empty {
  padding: 80px 0;
  color: #737a80;
}

.catalog-contact {
  background: #145de2;
  color: #fff;
}

.catalog-contact > div {
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
}

.catalog-contact h2 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: 50px;
}

.catalog-contact a {
  min-width: 220px;
  min-height: 48px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

@media (max-width: 900px) {
  .catalog-hero h1 { font-size: 62px; }
  .catalog-item summary { grid-template-columns: 54px minmax(0, 1fr) 160px 38px; }
  .catalog-item summary > img { width: 160px; height: 96px; }
  .catalog-detail { padding-left: 78px; grid-template-columns: 1fr 1fr; gap: 38px; }
}

@media (max-width: 760px) {
  .catalog-page .content-header { min-height: 62px; }
  .catalog-hero { min-height: 78svh; padding: 120px 0 68px; }
  .catalog-hero h1 { font-size: 48px; line-height: 1.08; }
  .catalog-hero .content-shell > p:not(.eyebrow) { font-size: 14px; }
  .catalog-tools { top: 62px; }
  .catalog-tools > div { min-height: 120px; grid-template-columns: 1fr auto; gap: 12px; }
  .catalog-tools label { grid-column: 1 / -1; grid-template-columns: 1fr; gap: 4px; padding-top: 14px; }
  .catalog-tools button { align-self: start; }
  .catalog-list { padding-top: 34px; }
  .catalog-item summary { min-height: 132px; grid-template-columns: 36px minmax(0, 1fr) 34px; gap: 12px; }
  .catalog-title h2 { font-size: 22px; }
  .catalog-item summary > img { display: none; }
  .catalog-detail { padding: 8px 0 42px 48px; grid-template-columns: 1fr; gap: 28px; }
  .catalog-detail > img { height: 220px; }
  .catalog-contact > div { min-height: 260px; align-items: flex-start; justify-content: center; flex-direction: column; }
  .catalog-contact h2 { font-size: 38px; }
}

/* 无 JavaScript 时的静态案例列表 */
.catalog-noscript {
  padding-top: 34px;
}

.catalog-noscript-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.catalog-noscript-list li {
  padding: 22px 0;
  border-bottom: 1px solid rgba(21, 24, 27, 0.22);
}

.catalog-noscript-list h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
}

.catalog-noscript-list p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
  max-width: 860px;
}