/**
 * 国际碳汇可信指数 — channel_thkxzs
 */

.tkxzs-page {
  overflow-x: hidden;
  background: #f5f7fa;
}

.tkxzs-page-title {
  padding: 55px 0 10px;
}
.tkxzs-page-title h3 {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  font-size: 1.2rem;
  font-weight: 700;
  color: #2257a7;
  line-height: 1.45;
}

/* ===== HERO ===== */
.tkxzs-hero {
  position: relative;
  min-height: 340px;
  overflow: hidden;
  display: flex;
  align-items: center;
  background: #1a2e5a;
  padding-bottom: 140px;
}
.tkxzs-hero__pic {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.tkxzs-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}
.tkxzs-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to right,
    rgba(15, 30, 69, 0.82) 0%,
    rgba(15, 30, 69, 0.5) 55%,
    rgba(15, 30, 69, 0.18) 100%
  );
}
.tkxzs-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 72px 40px 56px;
  width: 100%;
  box-sizing: border-box;
}
.tkxzs-hero__text {
  max-width: 660px;
}
.tkxzs-hero__title {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin: 0;
  text-align: left;
}
.tkxzs-hero__title:empty {
  display: none;
}

/* ===== 主体布局 ===== */
.tkxzs-body {
  background: linear-gradient(
    to bottom,
    transparent 0,
    transparent 108px,
    #f5f7fa 108px,
    #f5f7fa 100%
  );
  padding: 0;
  margin-top: -108px;
  position: relative;
  z-index: 2;
  overflow-x: hidden;
}
.tkxzs-body__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 48px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 0 24px;
  align-items: start;
  box-sizing: border-box;
}

/* ===== 左侧边栏 ===== */
.tkxzs-sidebar {
  min-width: 0;
  position: sticky;
  top: 80px;
}
.tkxzs-sidecard {
  padding: 22px 20px 26px;
  margin-bottom: 14px;
  border-radius: 10px;
}
.tkxzs-sidecard--blue {
  position: relative;
  overflow: hidden;
  background: url(/uploads/20260413/705555264c6fc18a49f9ee4c25c3bf1a.png) center/cover no-repeat;
  box-shadow: 0 4px 18px rgba(34, 87, 166, 0.12);
}
.tkxzs-sidecard--blue > * {
  position: relative;
  z-index: 1;
}
.tkxzs-sidecard__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: #1e2125;
  margin: 0 0 10px;
}
.tkxzs-sidecard__desc {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: #545a61;
  margin: 0 0 16px;
}
.tkxzs-sidecard__btn {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none !important;
  color: #72777d !important;
  border: 1px solid #72777d;
  border-radius: 4px;
  padding: 7px 14px;
  transition: background 0.2s;
}
.tkxzs-sidecard__btn:hover {
  background: rgba(0, 0, 0, 0.06);
}

/* ===== 右侧主内容区 ===== */
.tkxzs-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ===== A. 介绍卡片 ===== */
.tkxzs-intro-card {
  background: #fff;
  border-radius: 12px;
  padding: 32px 32px 28px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  box-sizing: border-box;
}
.tkxzs-intro-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #1e2125;
  margin: 0 0 14px;
  line-height: 1.4;
}
.tkxzs-intro-card__title:empty {
  display: none;
}
.tkxzs-intro-card__lead {
  font-size: 0.9rem;
  color: #123762;
  line-height: 1.8;
  margin: 0 0 16px;
  font-weight: 500;
}
.tkxzs-intro-card__lead:empty {
  display: none;
}
.tkxzs-intro-card__divider {
  width: 40px;
  height: 3px;
  background: #2257a6;
  border-radius: 2px;
}

/* ===== B. 功能模块区块容器 ===== */
.tkxzs-section {
  background: #fff;
  border-radius: 12px;
  padding: 8px 32px 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  box-sizing: border-box;
}

/* ===== 单个功能区块 ===== */
.tkxzs-feature-block {
  padding: 28px 0 24px;
  border-bottom: 1px solid #e8ecf2;
}
.tkxzs-feature-block:last-child {
  border-bottom: none;
  padding-bottom: 32px;
}
.tkxzs-feature-block__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.tkxzs-feature-block__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #e8f0fc;
  flex-shrink: 0;
}
.tkxzs-feature-block__icon img {
  display: block;
  width: 28px;
  height: 28px;
  object-fit: contain;
}
.tkxzs-feature-block__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0;
  line-height: 1.4;
}
.tkxzs-feature-block__desc {
  font-size: 0.9rem;
  color: #3d4a5c;
  line-height: 1.9;
  margin: 0;
  padding-left: 52px;
  word-break: break-word;
  overflow-wrap: break-word;
}

/* ===== 国际合作 — 三列链接卡 ===== */
.tkxzs-coop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 28px;
  padding-left: 52px;
}
.tkxzs-coop-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: none;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  text-decoration: none !important;
  color: inherit;
  box-shadow: 0 2px 12px rgba(14, 79, 176, 0.08);
  transition: box-shadow 0.2s, transform 0.2s;
}
.tkxzs-coop-card:hover {
  box-shadow: 0 6px 20px rgba(14, 79, 176, 0.14);
  transform: translateY(-2px);
}
.tkxzs-coop-card--blue {
  border-bottom: 4px solid #0e4fb0;
  background: #f6f9fd;
}
.tkxzs-coop-card--green {
  border-bottom: 4px solid #329458;
  background: #f6fcf7;
}
.tkxzs-coop-card--orange {
  border-bottom: 4px solid #f8a71f;
  background: #fdfbf6;
}
.tkxzs-coop-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #eef2f7;
}
.tkxzs-coop-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.tkxzs-coop-card__badge {
  position: relative;
  z-index: 2;
  width: 48px;
  height: 48px;
  margin: -24px auto 0;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}
.tkxzs-coop-card__badge img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  display: block;
}
.tkxzs-coop-card__badge--blue {
  background: #ffffff;
}
.tkxzs-coop-card__badge--green {
  background: #ffffff;
}
.tkxzs-coop-card__badge--orange {
  background: #ffffff;
}
.tkxzs-coop-card__body {
  padding: 10px 16px 18px;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.tkxzs-coop-card--blue .tkxzs-coop-card__body {
  background: #f6f9fd;
}
.tkxzs-coop-card--green .tkxzs-coop-card__body {
  background: #f6fcf7;
}
.tkxzs-coop-card--orange .tkxzs-coop-card__body {
  background: #fdfbf6;
}
.tkxzs-coop-card__title {
  margin: 0 0 8px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.4;
}
.tkxzs-coop-card__sub {
  margin: 0 0 12px;
  font-size: 0.8125rem;
  color: #666;
  line-height: 1.55;
}
.tkxzs-coop-card__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  padding-top: 12px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-top: auto;
}
.tkxzs-coop-card--blue .tkxzs-coop-card__cta {
  color: #0e4fb0;
}
.tkxzs-coop-card--green .tkxzs-coop-card__cta {
  color: #329458;
}
.tkxzs-coop-card--orange .tkxzs-coop-card__cta {
  color: #f8a71f;
}

/* ===== 服务对象区块（common03） ===== */
.tkxzs-main .ssgs-cta-block {
  margin-top: 0;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .tkxzs-coop-grid {
    grid-template-columns: repeat(2, 1fr);
    padding-left: 0;
  }
}

@media (max-width: 768px) {
  .tkxzs-page-title {
    padding-top: 40px;
  }
  .tkxzs-hero {
    min-height: 280px;
    padding-bottom: 88px;
  }
  .tkxzs-body {
    margin-top: -56px;
    background: linear-gradient(
      to bottom,
      transparent 0,
      transparent 56px,
      #f5f7fa 56px,
      #f5f7fa 100%
    );
  }
  .tkxzs-hero__inner {
    padding: 52px 20px 44px;
  }
  .tkxzs-hero__title {
    font-size: 1.5rem;
  }
  .tkxzs-body__inner {
    grid-template-columns: 1fr;
    padding: 0 16px 32px;
    gap: 16px;
  }
  .tkxzs-sidebar {
    position: static;
    width: 100%;
  }
  .tkxzs-intro-card {
    padding: 20px;
  }
  .tkxzs-section {
    padding: 8px 20px 12px;
  }
  .tkxzs-feature-block__desc {
    padding-left: 0;
  }
  .tkxzs-coop-grid {
    grid-template-columns: 1fr;
    padding-left: 0;
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .tkxzs-hero__title {
    font-size: 1.25rem;
  }
  .tkxzs-feature-block__title {
    font-size: 1rem;
  }
  .tkxzs-feature-block__header {
    align-items: flex-start;
  }
}
