/* 全局基础重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui, -apple-system, sans-serif;
}
body {
  background-color: #F5F9FF;
  color: #475467;
  overflow-x: hidden;
  font-size: 16px;
}
a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}
img {
  display: block;
}
button {
  border: none;
  cursor: pointer;
  font-size: 16px;
}
sup {
  font-size: 12px;
  padding: 2px 4px;
  background: #ef4444;
  color: #fff;
  border-radius: 4px;
}

/* 通用容器 固定1200px宽度 不全屏 */
.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}
@media(min-width:768px) {
  .wrap {
    padding: 0 24px;
  }
}

/* 颜色变量统一管理（原图浅蓝配色） */
:root {
  --primary: #2574ED;
  --primary-light: #80b4ff;
  --light-bg: #F5F9FF;
  --card-bg: #ffffff;
  --text-dark: #1D2939;
  --text-gray: #475467;
  --shadow-card: 0 2px 12px rgba(37, 116, 237, 0.07);
  --shadow-step: 0 3px 10px rgba(37, 116, 237, 0.12);
}

/* 板块背景类 可自行开启图片 */
.bg-block-banner {
  background: linear-gradient(180deg, #fff 0%, #F5F9FF 100%);
  /* 开启自定义banner背景图
  background-image: url("banner-bg.jpg");
  background-size: cover;
  background-position: center;
  background-blend-mode: soft-light;
  */
}
.bg-block-purpose {
  background: #F5F9FF;
  /* 开启查新用途背景图
  background-image: url("purpose-bg.png");
  background-size: cover;
  background-position: center;
  background-blend-mode: soft-light;
  */
}
.bg-block-comment {
  background: #F5F9FF;
  /* 开启客户评价背景图
  background-image: url("comment-bg.jpg");
  background-size: cover;
  background-position: center;
  background-blend-mode: soft-light;
  */
}
.bg-block-case {
  background: #F5F9FF;
  /* 开启服务案例背景图
  background-image: url("case-bg.jpg");
  background-size: cover;
  background-position: center;
  background-blend-mode: soft-light;
  */
}

/* 头部导航 */
header {
  position: sticky;
  top: 0;
  z-index: 99;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo-box {
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--primary);
}
.logo-text {
  font-size: 20px;
  font-weight: bold;
  color: var(--text-dark);
}
.nav-list {
  display: none;
  gap: 32px;
  align-items: center;
}
@media(min-width:768px) {
  .nav-list {
    display: flex;
  }
}
.nav-item a {
  transition: color 0.2s;
}
.nav-item.active a {
  color: var(--primary);
  font-weight: 500;
}
.nav-item a:hover {
  color: var(--primary);
}
.login-btn {
  padding: 8px 16px;
  background: var(--primary);
  color: #fff;
  border-radius: 6px;
  transition: background 0.2s;
}
.login-btn:hover {
  background: var(--primary-light);
}

/* Banner区块 */
.banner {
  padding: 40px 0 64px;
  position: relative;
  overflow: hidden;
}
.banner-inner {
  position: relative;
  z-index: 2;
}
.banner-desc-top {
  font-size: 16px;
  color: var(--text-dark);
  margin-bottom: 12px;
}
.banner-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: bold;
  margin-bottom: 16px;
}
.banner-title strong {
  color: #f56c6c;
}
.banner-title span {
  color: var(--text-dark);
}
.banner-check-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
}
.check-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dark);
}
.check-icon {
  width: 20px;
  height: 20px;
}
.consult-big-btn {
  padding: 12px 32px;
  background: #f56c6c;
  color: #fff;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(37, 116, 237, 0.2);
  transition: background 0.2s;
}
.consult-big-btn:hover {
  background: var(--primary-light);
}
.banner-decor-img {
  position: absolute;
  right: 0;
  top: 0;
  width: 45%;
  height: 100%;
  align-items: center;
  justify-content: center;
  opacity: 0.8;
  display: none;
}
@media(min-width:1024px) {
  .banner-decor-img {
    display: flex;
  }
}
.decor-3d {
  width: 320px;
  height: 320px;
  object-fit: contain;
}

/* 机构卡片区域 */
.org-wrap {
  margin-top: 48px;
}
.org-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media(min-width:640px) {
  .org-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media(min-width:1024px) {
  .org-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}
.org-card {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow-card);
}
.org-logo {
  height: 40px;
  object-fit: contain;
  margin-bottom: 8px;
}
.org-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.org-subtitle {
  font-size: 16px;
  margin-bottom: 16px;
}
.org-list li {
  margin: 8px 0;
  font-size: 16px;
}
.price-text {
  color: var(--primary);
  font-weight: 600;
}
.org-link-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}
.org-link {
  color: var(--primary);
}
.org-link:hover {
  text-decoration: underline;
}
.org-consult-btn {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--primary);
  color: var(--primary);
  background: transparent;
  border-radius: 4px;
  transition: all 0.2s;
}
.org-consult-btn:hover {
  background: var(--primary);
  color: #fff;
}

/* 通用区块标题 */
.section-title-box {
  text-align: center;
  margin-bottom: 16px;
}
.section-title {
  font-size: 40px;
  font-weight: bold;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.title-icon {
  width: 24px;
  height: 24px;
}
.section-sub-desc {
  text-align: center;
  font-size: 16px;
  margin-bottom: 5px;
}

/* 查新用途区块 */
.purpose-section {
  padding: 4px 0;
}
.purpose-main-box {
  max-width: 1220px;
  margin: 0 auto;
  position: relative;
  padding: 8px 0;
}
.purpose-circle-img {
  width: 100%;
  height: auto;
}
.purpose-text-grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap-y: 48px;
  z-index: 2;
}
@media(min-width:768px) {
  .purpose-text-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.purpose-text-full {
  grid-column: 1 / -1;
  text-align: center;
}
.purpose-text-item {
  color: var(--primary);
  font-size: 18px;
  font-weight: 500;
  text-align: center;
}

/* 四大优势区块 */
.advantage-section {
  padding: 64px 0;
  background: #fff;
}
.adv-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 48px;
}
@media(min-width:640px) {
  .adv-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media(min-width:1024px) {
  .adv-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.adv-card {
  background: var(--light-bg);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow-card);
  text-align: center;
}
.adv-icon-wrap {
  width: 84px;
  height: 84px;
  margin: 0 auto 20px;
  background: rgba(37, 116, 237, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.adv-icon {
  width: 60px;
  height: 60px;
  object-fit: contain;
}
.adv-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 16px;
}
.adv-desc {
  line-height: 1.6;
  font-size: 16px;
}

/* 客户评价区块 */
.comment-section {
  padding: 64px 0;
}
.comment-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 48px;
}
@media(min-width:768px) {
  .comment-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.comment-card {
  background: #fff;
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--shadow-card);
}
.quote-img {
  width: 32px;
  height: 32px;
  margin-bottom: 12px;
}
.comment-text {
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.5;
}
.comment-source {
  color: var(--primary);
  margin-bottom: 20px;
  font-size: 16px;
}
.user-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.avatar-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}
.user-name {
  font-size: 16px;
}
.user-date {
  font-size: 14px;
  color: var(--text-gray);
  margin-top: 4px;
}

/* 申请流程区块 */
.flow-section {
  padding: 64px 0;
  background: #fff;
}
.flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 48px;
}
@media(min-width:768px) {
  .flow-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}
.flow-item {
  text-align: center;
}
.step-img {
  width: 156px;
  height: 56px;
  margin: 0 auto 20px;
  box-shadow: var(--shadow-step);
  border-radius: 8px;
}
.flow-title {
  font-size: 20px;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 16px;
}
.flow-desc-box {
  background: var(--light-bg);
  border-radius: 6px;
  padding: 16px;
}
.flow-desc-box p {
  margin: 8px 0;
  font-size: 16px;
}

/* 服务案例区块 */
.case-section {
  padding: 64px 0;
}
.case-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}
@media(min-width:768px) {
  .case-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.case-card {
  background: #fff;
  border-radius: 8px;
  padding: 16px;
  box-shadow: var(--shadow-card);
}
.case-img {
  width: 100%;
  height: 224px;
  object-fit: contain;
  background: #f1f5f9;
  border-radius: 6px;
}

/* 页脚 */
footer {
  background: #1f2937;
  color: #fff;
  padding: 48px 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media(min-width:768px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.footer-col-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 20px;
}
.footer-link-list li {
  margin: 12px 0;
  color: #d1d5db;
}
.footer-link-list a:hover {
  color: var(--primary);
}
.footer-two-qrcode {
  display: flex;
  gap: 24px;
  justify-content: center;
}
@media(min-width:768px) {
  .footer-two-qrcode {
    justify-content: flex-end;
  }
}
.qr-box {
  text-align: center;
}
.qr-img {
  width: 112px;
  height: 112px;
  background: #fff;
  padding: 8px;
  border-radius: 6px;
  margin-bottom: 12px;
}
.qr-text {
  color: #d1d5db;
  font-size: 16px;
}
.footer-bottom {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid #374151;
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 14px;
  color: #9ca3af;
}
@media(min-width:768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* 右侧悬浮客服按钮 */
.float-service-box {
  position: fixed;
  right: 0;
  bottom: 24px;
}
.float-service-img {
  height: 300px;
  object-fit: contain;
}

/* 重置banner默认上下内边距 */
.banner {
  padding: 0 !important;
}
/* 隐藏原来破碎的勾选图片图标 */
.banner-check-group .check-item .check-icon {
  display: none !important;
}
/* 大屏强制显示右侧3D装饰图 */
@media (min-width: 1024px) {
  .banner-decor-img {
    display: flex !important;
  }
}

/* FAQ无底色、折叠展开样式 */
.faq-section {
  padding: 64px 0;
  background: transparent !important;
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 48px;
}
@media(min-width:768px) {
  .faq-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.faq-item {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  background: transparent;
}
.faq-question {
  padding: 16px 20px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.faq-arrow {
  font-size: 22px;
  color: var(--primary);
  transition: transform 0.2s ease;
}
.faq-question.active .faq-arrow {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-gray);
  transition: all 0.3s ease;
}
.faq-question.active + .faq-answer {
  padding: 0 20px 20px 20px;
  max-height: 800px;
}