* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #333;
  background: #fff;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

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

:root {
  --color-primary: #ff8c28;
  --color-primary-dark: #d96c4f;
  --color-green: #65b36e;
  --color-blue: #8ab4c8;
  --color-text: #333;
  --color-text-light: #666;
  --color-bg-gray: #f5f5f5;
  --color-panel: #f3f3f3;
  --section-margin-top: 60px;
  --section-padding-x: 3%;
  --header-padding-left: 4%;
  --title-gap: 10px;
  --header-content-gap: 25px;
  --gap: 10px;
  --radius: 10px;
  --font-title: calc(22 / 12 * 1rem);
  --font-subtitle: 1rem;
  --font-card-title: calc(16 / 12 * 1rem);
}

[class$="__header"] {
  padding-left: var(--header-padding-left);
  margin-bottom: var(--header-content-gap);
}

[class$="__title"] {
  font-size: var(--font-title);
  color: var(--color-text);
  font-weight: 700;
  line-height: 1.2;
}

[class$="__subtitle"] {
  font-size: var(--font-subtitle);
  color: var(--color-text-light);
  margin-top: var(--title-gap);
  line-height: 1.5;
}

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

.online-banner__img {
  width: 100%;
  height: auto;
}

.online-banner__content {
  position: absolute;
  top: var(--online-banner-content-top, 42%);
  left: 50%;
  width: 100%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 10%;
}

.online-banner__title {
  font-size: calc(30 / 12 * 1rem);
  color: #fff;
  font-weight: 700;
  line-height: 1.1;
}

.online-banner__desc {
  margin-top: 10px;
  font-size: calc(14 / 12 * 1rem);
  color: rgba(255, 255, 255, 0.82);
}

.online-guide,
.online-catalog,
.online-ecosystem,
.online-matrix {
  margin-top: var(--section-margin-top);
  padding: 0 var(--section-padding-x);
}

.online-matrix {
  margin-top: 25px;
  margin-bottom: 60px;
}

.online-guide__visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

.online-guide__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.online-guide__button {
  position: absolute;
  top: 14px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  min-height: 34px;
  padding: 0 18px;
  border-radius: 999px;
  color: #fff;
  font-size: calc(12 / 12 * 1rem);
  font-weight: 600;
}

.online-catalog__tabs,
.online-matrix__tabs {
  display: flex;
  gap: 5px;
  overflow-x: auto;
  width: calc(100% + (var(--section-padding-x) * 2));
  margin-left: calc(-1 * var(--section-padding-x));
  margin-right: calc(-1 * var(--section-padding-x));
  padding: 0 var(--section-padding-x) 4px calc(var(--section-padding-x) + var(--header-padding-left));
  margin-bottom: 25px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  box-sizing: border-box;
}

.online-catalog__tabs::-webkit-scrollbar,
.online-matrix__tabs::-webkit-scrollbar {
  display: none;
}

.online-catalog__tab,
.online-matrix__tab {
  flex: 0 0 auto;
  border: none;
  border-radius: 999px;
  background: #a2a3a9;
  color: #fff;
  font-size: calc(12 / 12 * 1rem);
  line-height: 1;
  font-weight: 500;
  padding: 10px 14px;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.25s ease;
}

.online-catalog__tab.is-active {}

.online-catalog__tabs .online-catalog__tab:nth-of-type(1).is-active {
  background: #4c6397;
}

.online-catalog__tabs .online-catalog__tab:nth-of-type(2).is-active {
  background: #89ab5e;
}

.online-catalog__tabs .online-catalog__tab:nth-of-type(3).is-active {
  background: #ac4562;
}

.online-catalog__tabs .online-catalog__tab:nth-of-type(4).is-active {
  background: #7c91ac;
}

.online-catalog__tabs .online-catalog__tab:nth-of-type(5).is-active {
  background: #999dba;
}

.online-catalog__tabs .online-catalog__tab:nth-of-type(6).is-active {
  background: #e38e3d;
}

.online-catalog__tabs .online-catalog__tab:nth-of-type(7).is-active {
  background: #77818d;
}

.online-catalog__tabs .online-catalog__tab:nth-of-type(8).is-active {
  background: #a0a0a8;
}

.online-catalog__tabs .online-catalog__tab:nth-of-type(9).is-active {
  background: #a39d8d;
}

.online-matrix__tab.is-active {
  background: var(--color-primary);
}

.online-catalog__series {
  margin-bottom: 20px;
}

.online-catalog__series-item {
  display: none;
}

.online-catalog__series-item.is-active {
  display: block;
}

.online-catalog__series-item img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.online-catalog__panel,
.online-matrix__panel {
  display: none;
}

.online-catalog__panel.is-active,
.online-matrix__panel.is-active {
  display: block;
}

.online-catalog__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
}

.online-catalog__card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: calc(12 / 12 * 1rem);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.online-catalog__card:hover {
  transform: translateY(-2px);
}

.online-catalog__card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 170 / 140;
  overflow: hidden;
  background: #f5f5f5;
}

.online-catalog__card-img {
  position: absolute;
  left: 50%;
  bottom: 0%;
  transform: translateX(-50%);
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.online-catalog__card-detail-icon {
  position: absolute;
  right: 7%;
  top: 10%;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
}

.online-catalog__card-detail-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.online-catalog__card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 12px 12px 14px;
}

.online-catalog__card-title {
  font-size: calc(14 / 12 * 1rem);
  line-height: 1.25;
  color: var(--color-text);
  font-weight: 600;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  min-height: 2.5em;
}

.online-catalog__card-desc {
  margin-top: 6px;
  margin-bottom: 10px;
  min-height: 2.8em;
  font-size: calc(11 / 12 * 1rem);
  line-height: 1.4;
  color: var(--color-text-light);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.online-catalog__card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 30px;
  padding: 0 5px;
  border-radius: 5px;
  background: #333;
  color: #fff;
  font-size: calc(11 / 12 * 1rem);
  font-weight: 600;
}

.online-catalog__card-link+.online-catalog__card-link {
  margin-left: 4%;
}

.online-catalog__card-actions {
  display: flex;
  gap: 4%;
  margin-top: auto;
}

.online-catalog__card-actions .online-catalog__card-link {
  flex: 0 0 60%;
  width: auto;
  margin-top: 0;
}

.online-catalog__card--hidden {
  display: none;
}

.online-catalog__panel.is-expanded .online-catalog__card--hidden {
  display: block;
}

.online-catalog__more {
  display: flex;
  justify-content: flex-end;
  margin-top: 16px;
}

.online-catalog__more-link {
  display: none;
  color: var(--color-primary);
  font-size: var(--font-subtitle);
  font-weight: 600;
}

.online-catalog__more-link.is-active {
  display: inline-flex;
}

.online-ecosystem__banner {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

.online-ecosystem__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.online-ecosystem__overlay {
  position: absolute;
  inset: 0;
  padding: 18px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
}

.online-ecosystem__overlay-title {
  max-width: 78%;
  font-size: calc(22 / 12 * 1rem);
  line-height: 1.4;
  color: #fff;
  font-weight: 700;
  margin-top: 10%;
}

.online-ecosystem__body {
  padding-left: 4%;
  margin-top: 60px;
}

.online-ecosystem__title {
  font-size: calc(22 / 12 * 1rem);
  color: var(--color-text);
  line-height: 1.4;
  font-weight: 700;

}

.online-ecosystem__subtitle {
  margin-top: 8px;
  font-size: var(--font-subtitle);
  color: var(--color-text);
  font-weight: 600;
}

.online-ecosystem__desc {
  margin-top: 8px;
  font-size: calc(12 / 12 * 1rem);
  line-height: 1.6;
  color: var(--color-text-light);
}

.online-matrix__features {
  --online-matrix-label-width: 85px;
  --online-matrix-gap: 20px;
  --online-matrix-padding-x: 16px;
  --online-matrix-line-left: calc(var(--online-matrix-padding-x) + var(--online-matrix-label-width) + var(--online-matrix-gap) / 2);
  --online-matrix-row-line-left: calc(var(--online-matrix-label-width) + var(--online-matrix-gap) / 2);
  display: flex;
  flex-direction: column;
  gap: var(--online-matrix-gap);
  position: relative;
  padding: 20px var(--online-matrix-padding-x);
  background: var(--color-bg-gray);
  border-radius: calc(12 / 12 * 1rem);
}

.online-matrix__features::before {
  content: '';
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: var(--online-matrix-line-left);
  width: 1px;
  background-color: #d8d8d8;
  pointer-events: none;
}

.online-matrix__row {
  display: flex;
  gap: var(--online-matrix-gap);
  align-items: center;
  position: relative;
}

.online-matrix__row::after {
  content: '';
  position: absolute;
  left: calc(var(--online-matrix-row-line-left) - 3px);
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 1px;
  border-radius: 1px;
  background-color: #b0b0b0;
  pointer-events: none;
}

.online-matrix__label {
  width: var(--online-matrix-label-width);
  flex-shrink: 0;
  font-size: calc(12 / 12 * 1rem);
  line-height: 1.2;
  color: #2a2a2a;
  font-weight: 600;
  text-align: right;
}

.online-matrix__label--highlight {
  color: var(--color-primary);
}

.online-matrix__value {
  flex: 0 1 auto;
  min-width: 0;
  width: fit-content;
  max-width: calc(100% - 100px);
  box-sizing: border-box;
  display: inline-block;
  padding: 8px 12px;
  border-radius: calc(10 / 12 * 1rem);
  background: #3f4148;
  color: #e5e5e5;
  font-size: calc(12 / 12 * 1rem);
  line-height: 1.4;
  font-weight: 300;
}

.online-matrix__value.is-highlight {
  background: var(--color-primary);
  color: #fff;
}

/* 分页按钮样式 */
.online-catalog__pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
  padding: 10px 0;
}

.online-catalog__pagination-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background-color: #FFFFFF;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  font-size: 16px;
  color: #ccc;
}

.online-catalog__pagination-btn:active {
  background-color: #E0E0E0;
  color: #000;
}

.online-catalog__pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.online-catalog__pagination-info {
  font-size: 14px;
  color: #666;
  min-width: 50px;
  text-align: center;
}

.online-catalog__pagination-current {
  font-weight: 600;
  color: #333;
}