/* ============================================================
   业务页通用区块（费用构成 / 相关服务与地区）
   命名空间：bfee- / brel-
   说明：本文件被全部业务页引用，区块自带中性配色与字号，
        不依赖各页面自身的 CSS 变量，保证在 8 个不同风格的
        业务页里呈现一致。版本随 ?v= 参数提升。
   ============================================================ */

/* ---------- 费用构成 ---------- */
.bfee {
  --bfee-blue: #426df9;
  --bfee-blue-deep: #2f52d0;
  --bfee-ink: #0f172a;
  --bfee-text: #334155;
  --bfee-muted: #64748b;
  --bfee-line: #e6eaf3;
  --bfee-soft: #f6f9ff;
  position: relative;
  padding: 84px 0;
  background: #ffffff;
  color: var(--bfee-text);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: clip;
}

.bfee *,
.bfee *::before,
.bfee *::after {
  box-sizing: border-box;
}

.bfee h2,
.bfee h3 {
  margin: 0;
  color: var(--bfee-ink);
  line-height: 1.32;
  letter-spacing: -0.01em;
}

.bfee p {
  margin: 0;
}

.bfee {
  position: relative;
  z-index: 1;
}

.bfee__shell {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* AI 知识库页在 1360px 以上由 .dmk-page 统一让位右侧固定锚点导航，此处无需单独收窄 */
@media (min-width: 1361px) {
  .dmk-page .bfee__shell {
    max-width: 1200px;
  }
}

.bfee__head {
  max-width: 760px;
  margin-bottom: 40px;
}

.bfee__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bfee-blue);
}

.bfee__eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--bfee-blue), #22d3ee);
}

.bfee__head h2 {
  font-size: 34px;
  font-weight: 700;
}

.bfee__head p {
  margin-top: 14px;
  font-size: 16px;
  color: var(--bfee-muted);
}

.bfee__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 48px;
  align-items: start;
}

.bfee__copy p + p {
  margin-top: 18px;
}

.bfee__copy strong {
  color: var(--bfee-ink);
  font-weight: 700;
}

.bfee__note {
  display: flex;
  gap: 14px;
  margin-top: 26px;
  padding: 18px 20px;
  border: 1px solid rgba(66, 109, 249, 0.16);
  border-radius: 14px;
  background: var(--bfee-soft);
  font-size: 14.5px;
  line-height: 1.75;
  color: #3d5375;
}

.bfee__note-icon {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  color: var(--bfee-blue);
}

.bfee__note-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.bfee__factors {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: bfee;
  border-top: 1px solid var(--bfee-line);
}

.bfee__factors li {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--bfee-line);
  counter-increment: bfee;
}

.bfee__factors li::before {
  content: counter(bfee, decimal-leading-zero);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--bfee-blue);
  line-height: 1.9;
}

.bfee__factors h3 {
  font-size: 16.5px;
  font-weight: 600;
  margin-bottom: 6px;
}

.bfee__factors p {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--bfee-muted);
}

.bfee__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px dashed var(--bfee-line);
}

.bfee__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--bfee-blue), var(--bfee-blue-deep));
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 12px 26px rgba(47, 82, 208, 0.24);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.bfee__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(47, 82, 208, 0.3);
  color: #ffffff;
}

.bfee__hint {
  font-size: 13.5px;
  color: var(--bfee-muted);
}

/* ---------- 相关服务与地区 ---------- */
.brel {
  padding: 70px 0;
  background: #f7f9fd;
  color: #334155;
  font-size: 15.5px;
  line-height: 1.75;
  overflow-x: clip;
}

.brel *,
.brel *::before,
.brel *::after {
  box-sizing: border-box;
}

.brel__shell {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
}

.brel h2 {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.35;
}

.brel__desc {
  margin: 0 0 26px;
  font-size: 15px;
  color: #64748b;
}

.brel__group + .brel__group {
  margin-top: 26px;
}

.brel__label {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #94a3b8;
}

.brel__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.brel__list a {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 18px;
  border: 1px solid #e2e8f4;
  border-radius: 999px;
  background: #ffffff;
  font-size: 14.5px;
  font-weight: 500;
  color: #33507a;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.brel__list a:hover {
  border-color: rgba(66, 109, 249, 0.42);
  color: #2f52d0;
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .bfee {
    padding: 56px 0;
  }

  .bfee__head {
    margin-bottom: 28px;
  }

  .bfee__head h2 {
    font-size: 24px;
  }

  .bfee__head p {
    font-size: 15px;
  }

  .bfee__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .bfee__factors li {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px;
    padding: 16px 0;
  }

  .bfee__foot {
    margin-top: 26px;
    padding-top: 22px;
  }

  .bfee__btn {
    width: 100%;
  }

  .brel {
    padding: 46px 0;
  }

  .brel h2 {
    font-size: 21px;
  }
}

@media (max-width: 560px) {
  .bfee__shell,
  .brel__shell {
    padding: 0 18px;
  }

  .bfee__copy {
    font-size: 15px;
  }
}