/* 产品特色页内容区。PC 沿用全站 vw 尺寸体系（设计稿宽 1920），手机 ≤767px 改用 px。 */
.features section {
  padding: 4.167vw 0;
  color: #383838;
}

.features section .gold-title {
  text-align: center;
  margin-bottom: 2.083vw;
}

.features section h3 {
  margin: 0;
}

.features section ul {
  list-style: none;
  padding: 0;
}

.features svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 产品概述 */
.product-intro {
  background: #efefef;
}

.product-intro p,
.product-about > .container > p {
  max-width: 52.083vw;
  margin: 0 auto;
  text-align: center;
  font-size: 1.042vw;
  line-height: 1.875vw;
}

/* 企业痛点 */
.pain-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.563vw;
  margin: 0;
}

.pain-list li {
  position: relative;
  padding: 2.083vw 1.875vw;
  border: 0.052vw solid #0000001a;
  border-top: 0.208vw solid #e1b264;
  background: #fff;
}

.pain-no {
  position: absolute;
  top: 1.25vw;
  right: 1.563vw;
  font-size: 2.5vw;
  font-weight: 700;
  line-height: 1;
  color: #e1b26455;
}

.pain-list h3 {
  font-size: 1.25vw;
  color: #a37c3c;
  margin-bottom: 0.833vw;
}

.pain-list p {
  font-size: 0.938vw;
  line-height: 1.667vw;
}

.pain-summary {
  margin-top: 2.083vw;
  text-align: center;
  font-size: 1.042vw;
  line-height: 1.875vw;
  font-weight: 700;
}

/* 产品介绍 */
.product-about {
  background: #e1b26433;
}

.about-goals {
  display: flex;
  justify-content: center;
  gap: 3.125vw;
  margin: 2.083vw 0 0;
}

.about-goals li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625vw;
  font-size: 1.25vw;
  font-weight: 700;
  color: #a37c3c;
}

.about-goals svg {
  width: 4.167vw;
  height: 4.167vw;
  padding: 0.938vw;
  border-radius: 50%;
  background: #fff;
}

/* 五大核心亮点 */
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.563vw;
}

.highlight {
  grid-column: span 2;
  padding: 2.083vw 1.875vw;
  background: #efefef;
  border: 0.052vw solid #0000001a;
}

/* 5 张卡：上排 3 张，下排 2 张居中 */
.highlight:nth-child(4) {
  grid-column: 2 / span 2;
}

.highlight svg {
  width: 2.5vw;
  height: 2.5vw;
  color: #e1b264;
}

.highlight h3 {
  margin-top: 1.042vw;
  font-size: 1.25vw;
  color: #383838;
}

.highlight-sub {
  margin: 0.417vw 0 0.833vw;
  font-size: 0.938vw;
  font-weight: 700;
  color: #a37c3c;
}

.highlight p {
  font-size: 0.885vw;
  line-height: 1.563vw;
  color: #5c5c5c;
}

/* 平台架构 */
.product-arch {
  background: #efefef;
}

.arch-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.042vw 1.563vw;
}

.arch-entry h3 {
  font-size: 1.563vw;
  color: #a37c3c;
}

.arch-entry ul {
  display: flex;
  gap: 2.604vw;
  margin: 0;
}

.arch-entry li {
  display: flex;
  align-items: center;
  gap: 0.625vw;
  font-size: 1.042vw;
}

.arch-entry svg {
  width: 3.125vw;
  height: 3.125vw;
  padding: 0.729vw;
  border-radius: 50%;
  background: #fff;
  color: #a37c3c;
}

.arch-body {
  padding: 0 1.042vw 1.042vw;
  background: #fff;
  border: 0.052vw solid #0000001a;
}

.arch-portal {
  width: 20.833vw;
  margin: 0 auto 1.042vw;
  padding: 0.625vw 0;
  text-align: center;
  font-size: 1.25vw;
  font-weight: 700;
  color: #fff;
  background: #e1b264;
  border-radius: 0 0 1.042vw 1.042vw;
}

.arch-row {
  display: flex;
  align-items: center;
  border: 0.052vw solid #0000001a;
  padding: 1.042vw 1.302vw;
}

.arch-row + .arch-row {
  margin-top: 0.833vw;
  align-items: stretch;
}

.arch-label {
  flex: none;
  width: 6.25vw;
  margin-right: 1.042vw;
  align-self: center;
  font-size: 1.25vw;
  font-weight: 700;
  text-align: center;
}

.arch-services {
  flex: 1;
  display: flex;
  justify-content: space-between;
  margin: 0;
  font-size: 1.042vw;
}

.arch-group {
  flex: 4;
  display: flex;
  margin-left: 1.042vw;
}

.arch-group:last-child {
  flex: 3;
}

.arch-tag {
  flex: none;
  writing-mode: vertical-rl;
  display: grid;
  place-items: center;
  width: 2.083vw;
  font-size: 1.042vw;
  font-weight: 700;
  letter-spacing: 0.313vw;
  color: #fff;
  background: #a37c3c;
}

.arch-group dl {
  flex: 1;
  margin: 0;
  padding: 0 0.521vw;
  text-align: center;
  font-size: 0.938vw;
  line-height: 2.083vw;
}

.arch-group dl + dl {
  border-left: 0.052vw solid #0000001a;
}

.arch-group dt {
  font-weight: 700;
  color: #a37c3c;
  margin-bottom: 0.208vw;
}

.arch-group dd {
  margin: 0;
}

@media (max-width: 767px) {
  .features section {
    padding: 36px 0;
  }

  .features section .container {
    max-width: none;
    padding: 0 16px;
  }

  .features section .gold-title {
    font-size: 20px;
    margin-bottom: 18px;
  }

  .product-intro p,
  .product-about > .container > p {
    max-width: none;
    font-size: 15px;
    line-height: 1.8;
  }

  .pain-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .pain-list li {
    padding: 18px 16px;
    border-width: 1px;
    border-top-width: 3px;
  }

  .pain-no {
    top: 14px;
    right: 16px;
    font-size: 28px;
  }

  .pain-list h3 {
    font-size: 17px;
    margin-bottom: 6px;
  }

  .pain-list p,
  .pain-summary {
    font-size: 14px;
    line-height: 1.75;
  }

  .pain-summary {
    margin-top: 18px;
  }

  .about-goals {
    gap: 28px;
    margin-top: 20px;
  }

  .about-goals li {
    font-size: 15px;
    gap: 8px;
  }

  .about-goals svg {
    width: 56px;
    height: 56px;
    padding: 14px;
  }

  .highlight-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .highlight,
  .highlight:nth-child(4) {
    grid-column: auto;
    padding: 18px 16px;
    border-width: 1px;
  }

  .highlight svg {
    width: 32px;
    height: 32px;
  }

  .highlight h3 {
    margin-top: 10px;
    font-size: 17px;
  }

  .highlight-sub {
    margin: 4px 0 8px;
    font-size: 14px;
  }

  .highlight p {
    font-size: 14px;
    line-height: 1.75;
  }

  .arch-entry {
    flex-direction: column;
    gap: 14px;
    padding: 0 0 16px;
  }

  .arch-entry h3 {
    font-size: 17px;
  }

  .arch-entry ul {
    width: 100%;
    justify-content: space-between;
    gap: 0;
  }

  .arch-entry li {
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
  }

  .arch-entry svg {
    width: 48px;
    height: 48px;
    padding: 12px;
  }

  .arch-body {
    padding: 0 10px 10px;
    border-width: 1px;
  }

  .arch-portal {
    width: 70%;
    margin-bottom: 12px;
    padding: 8px 0;
    font-size: 15px;
    border-radius: 0 0 14px 14px;
  }

  .arch-row,
  .arch-row + .arch-row {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 10px;
    border-width: 1px;
  }

  .arch-row + .arch-row {
    margin-top: 10px;
  }

  .arch-label {
    width: auto;
    margin-right: 0;
    margin-bottom: 10px;
    font-size: 15px;
  }

  .arch-label br {
    display: none;
  }

  .arch-services {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px 4px;
    text-align: center;
    font-size: 13px;
  }

  .arch-group {
    flex-direction: column;
    margin: 0;
  }

  .arch-group + .arch-group {
    margin-top: 12px;
  }

  .arch-tag {
    writing-mode: horizontal-tb;
    width: auto;
    padding: 6px 0;
    font-size: 14px;
    letter-spacing: 4px;
  }

  .arch-group dl {
    display: grid;
    grid-template-columns: 76px repeat(3, 1fr);
    gap: 2px 6px;
    padding: 10px 0;
    text-align: left;
    font-size: 13px;
    line-height: 1.6;
  }

  .arch-group dl + dl {
    border-left: none;
    border-top: 1px solid #0000001a;
  }

  .arch-group dt {
    grid-row: span 2;
    margin: 0;
  }
}