@charset "UTF-8";
/* About page dedicated stylesheet. Extracted from qdzrt-components.css without changing selector order or declarations. */

/* About（qdzrt-about）单一来源样式：无补丁、无 !important */
section.qdzrt-about {
  width: 100%;
  margin: 0;
  padding: 0;
  background: transparent;
  color: #183d52;
}
/* box-sizing 已由全局重置统一管理 */
section.qdzrt-about h2, section.qdzrt-about h3 {
  margin: 0 0 12px;
  line-height: 1.3;
}
section.qdzrt-about p {
  margin: 0 0 10px;
  line-height: 1.85;
  color: #5f7d90;
}
section.qdzrt-about .qdzrt-about__section {
  margin-top: 0;
  margin-bottom: 24px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  position: relative;
  z-index: 0;
}
/* About（qdzrt-about）区块内容统一版心：与 Solutions 对齐到 1200 */
section.qdzrt-about .qdzrt-about__section > * {
  max-width: min(var(--qdzrt-shell-wide), 100vw - 40px);
  margin-left: auto;
  margin-right: auto;
}
section.qdzrt-about > .qdzrt-about__section:first-child {
  margin-top: 0;
}
section.qdzrt-about > .qdzrt-about__section:not(.qdzrt-about__top)::before {
  display: none;
}
section.qdzrt-about .qdzrt-about__top {
  display: flow-root;
  background-color: #0d3558;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), inset 0 -1px 0 rgba(7, 30, 52, 0.35);
  padding-top: 36px;
  padding-bottom: 28px;
  margin-bottom: 22px;
  position: relative;
  z-index: 0;
}
/* 首屏背景层：先渲染深色底，避免首访图像未解码时闪灰 */
section.qdzrt-about > .qdzrt-about__section.qdzrt-about__top::before {
  content: "";
  display: block;
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: calc(50% - 50vw);
  right: calc(50% - 50vw);
  background-image: linear-gradient(105deg, #061f34 0%, #082843 48%, #061f34 100%);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}
/* 首屏图像层：与 solutions 英雄同思路，独立叠加在深色底之上 */
section.qdzrt-about > .qdzrt-about__section.qdzrt-about__top::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: calc(50% - 50vw);
  right: calc(50% - 50vw);
  background-image: linear-gradient(105deg, rgba(6, 31, 52, 0.2) 0%, rgba(8, 40, 67, 0.16) 48%, rgba(6, 31, 52, 0.2) 100%), var(--qdzrt-about-hero-image, none);
  background-repeat: no-repeat, no-repeat;
  background-position: center center, center center;
  background-size: cover, cover;
  opacity: 0.62;
  pointer-events: none;
}
section.qdzrt-about .qdzrt-about__logo {
  float: right;
  width: 340px;
  max-width: 42%;
  margin: 4px 0 16px 22px;
  padding: 10px;
  min-height: 98px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #c9dceb;
  border-radius: 8px;
  background: linear-gradient(180deg, #f8fcff 0%, #edf6fb 100%);
  box-shadow: 0 10px 22px rgba(13, 46, 79, 0.08);
}
section.qdzrt-about .qdzrt-about__logo img {
  display: block;
  width: min(210px, 82%);
  height: auto;
  object-fit: contain;
}
section.qdzrt-about .qdzrt-about__top .qdzrt-about__top-intro h1,
section.qdzrt-about .qdzrt-about__top .qdzrt-about__top-intro h2 {
  font-size: clamp(26px, 2.8vw, 34px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 16px;
}
section.qdzrt-about .qdzrt-about__top .qdzrt-about__top-intro p {
  font-size: clamp(16px, 1.1vw, 17.5px);
  line-height: 1.85;
  color: rgba(240, 246, 255, 0.94);
  margin-bottom: 14px;
  max-width: var(--qdzrt-shell-wide);
}
section.qdzrt-about .qdzrt-about__top .qdzrt-about__top-intro p:last-child {
  margin-bottom: 0;
}
/* 区块标题统一锚点，强化模块识别与紧凑间距 */
section.qdzrt-about .qdzrt-about__section > h2 {
  position: relative;
  padding-left: 0;
  margin: 0 0 10px;
  font-size: clamp(20px, 2.2vw, 25px);
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--qdzrt-ink, #11263c);
  font-weight: 700;
}
section.qdzrt-about .qdzrt-about__section > p {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--qdzrt-copy, #475569);
  max-width: 980px;
  margin: 0 0 10px;
}

/* 4大生产与仓库实景卡片 (Mine, Raw Material, Finished Goods, Pre-Shipment) */
section.qdzrt-about .qdzrt-about__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 12px;
}
section.qdzrt-about .qdzrt-about__item {
  overflow: hidden;
  border: 1px solid var(--qdzrt-line, #d8e2ec);
  border-radius: 4px; /* <= 8px site standard */
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(17, 38, 60, 0.04);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  display: flex;
  flex-direction: column;
}
section.qdzrt-about .qdzrt-about__item:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 153, 153, 0.12);
  border-color: #009999;
}
section.qdzrt-about .qdzrt-about__item figure {
  margin: 0;
  overflow: hidden;
  background: #0f172a;
}
section.qdzrt-about .qdzrt-about__item img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
}
section.qdzrt-about .qdzrt-about__item-text {
  padding: 18px 16px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
section.qdzrt-about .qdzrt-about__item-text h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--qdzrt-ink, #11263c);
}
section.qdzrt-about .qdzrt-about__item-text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--qdzrt-copy, #475569);
}

/* 4大供应支持支柱卡片 (Supply & Production Support - 科技工学质感卡片) */
section.qdzrt-about .qdzrt-about__cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 14px;
}
section.qdzrt-about .qdzrt-about__card {
  position: relative;
  padding: 24px 22px 20px;
  border: 1px solid #cfdeea;
  border-radius: 6px; /* <= 8px site standard */
  background: radial-gradient(380px 100px at 0% 0%, rgba(31, 120, 198, 0.06), transparent 60%), linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
  box-shadow: 0 4px 14px rgba(12, 44, 76, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  overflow: hidden;
}
section.qdzrt-about .qdzrt-about__card::before {
  content: "";
  display: block;
  width: 28px;
  height: 4px;
  border-radius: 2px;
  background: #1f78c6;
  margin-bottom: 14px;
}
/* 右上角工学技术水印大图标 */
section.qdzrt-about .qdzrt-about__cards .qdzrt-about__card::after {
  content: "";
  position: absolute;
  top: 18px;
  right: 18px;
  width: 60px;
  height: 60px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 0.2;
  pointer-events: none;
}
/* 1. Material Matching：材料筛选匹配 */
section.qdzrt-about .qdzrt-about__cards .qdzrt-about__card:nth-child(1)::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cg fill='none' stroke='%231f78c6' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='27' cy='27' r='16'/%3E%3Cpath d='M38 38l12 12'/%3E%3Cpath d='M21 27h12M27 21v12'/%3E%3C/g%3E%3C/svg%3E");
}
/* 2. Batch Consistency：批次稳定检测 */
section.qdzrt-about .qdzrt-about__cards .qdzrt-about__card:nth-child(2)::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cg fill='none' stroke='%231f78c6' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='14' y='12' width='36' height='40' rx='4'/%3E%3Cpath d='M23 26l6 6 12-12'/%3E%3Cpath d='M24 40h16'/%3E%3C/g%3E%3C/svg%3E");
}
/* 3. Custom Machining：定制机加工 */
section.qdzrt-about .qdzrt-about__cards .qdzrt-about__card:nth-child(3)::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cg fill='none' stroke='%231f78c6' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 44h40'/%3E%3Cpath d='M18 44V24h24v20'/%3E%3Cpath d='M30 14l2-6 2 6'/%3E%3Ccircle cx='32' cy='32' r='4'/%3E%3C/g%3E%3C/svg%3E");
}
/* 4. Delivery Coordination：全球物流交付 */
section.qdzrt-about .qdzrt-about__cards .qdzrt-about__card:nth-child(4)::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cg fill='none' stroke='%231f78c6' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='8' y='20' width='30' height='20' rx='3'/%3E%3Cpath d='M38 26h8l8 8v6h-16z'/%3E%3Ccircle cx='20' cy='44' r='4'/%3E%3Ccircle cx='46' cy='44' r='4'/%3E%3C/g%3E%3C/svg%3E");
}
section.qdzrt-about .qdzrt-about__card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(12, 44, 76, 0.09);
  border-color: #1f78c6;
}
section.qdzrt-about .qdzrt-about__card h3 {
  font-size: 18px;
  line-height: 1.3;
  color: #154b68;
  margin: 0 60px 8px 0;
  font-weight: 700;
}
section.qdzrt-about .qdzrt-about__card p {
  font-size: 14px;
  line-height: 1.72;
  color: #56798f;
  margin: 0;
  padding-right: 54px;
}

/* 质量保证对称面板 (Quality Assurance Panel - 100% 完整展现检测设备全景) */
section.qdzrt-about .qdzrt-about__qa {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--qdzrt-line, #d8e2ec);
  border-radius: 4px;
  padding: 20px;
  margin-top: 14px;
  box-shadow: 0 2px 8px rgba(17, 38, 60, 0.04);
}
section.qdzrt-about .qdzrt-about__qa figure {
  margin: 0;
  border: 1px solid var(--qdzrt-line, #d8e2ec);
  border-radius: 4px;
  overflow: hidden;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
}
section.qdzrt-about .qdzrt-about__qa img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}
section.qdzrt-about .qdzrt-about__qa .qdzrt-about__qa-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}
section.qdzrt-about .qdzrt-about__qa .qdzrt-about__qa-text > p {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--qdzrt-ink, #11263c);
  font-weight: 600;
  margin: 0;
}
section.qdzrt-about .qdzrt-about__qa-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
section.qdzrt-about .qdzrt-about__qa-list li {
  position: relative;
  padding: 10px 12px 10px 36px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--qdzrt-copy, #475569);
  margin: 0;
}
section.qdzrt-about .qdzrt-about__qa-list li::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 12px;
  width: 15px;
  height: 15px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23009999' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
}

/* 5步执行工作流 (Execution Workflow 一体化工学流水线流程轴 - QDZRT 品牌青绿色) */
section.qdzrt-about .qdzrt-about__flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
  position: relative;
}
section.qdzrt-about .qdzrt-about__flow .qdzrt-about__step {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px 18px 22px;
  background: linear-gradient(180deg, #ffffff 0%, #f6faf9 100%);
  border: 1px solid #cfe5e2;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.05);
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}
section.qdzrt-about .qdzrt-about__flow .qdzrt-about__step:last-child {
  border-right: 1px solid #cfe5e2;
}
section.qdzrt-about .qdzrt-about__flow .qdzrt-about__step:hover {
  transform: translateY(-4px);
  border-color: #0d9488;
  box-shadow: 0 12px 28px rgba(13, 148, 136, 0.16);
  background: #ffffff;
}
section.qdzrt-about .qdzrt-about__flow .qdzrt-about__step b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 4px 11px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  color: #0f766e;
  background: #e6f7f5;
  border: 1px solid rgba(13, 148, 136, 0.28);
  border-radius: 4px;
  margin-bottom: 14px;
  transition: all 0.22s ease;
}
section.qdzrt-about .qdzrt-about__flow .qdzrt-about__step:hover b {
  background: linear-gradient(135deg, #0d9488 0%, #008080 100%);
  color: #ffffff;
  border-color: #0d9488;
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.35);
}
section.qdzrt-about .qdzrt-about__flow .qdzrt-about__step p {
  margin: 0;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--qdzrt-ink, #11263c);
  line-height: 1.55;
  flex-grow: 1;
}
@media (min-width: 1024px) {
  section.qdzrt-about .qdzrt-about__flow .qdzrt-about__step:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -11px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 8px;
    height: 8px;
    border-top: 2px solid #a3d4d0;
    border-right: 2px solid #a3d4d0;
    z-index: 2;
    pointer-events: none;
    transition: border-color 0.2s ease, transform 0.2s ease;
  }
  section.qdzrt-about .qdzrt-about__flow .qdzrt-about__step:hover:not(:last-child)::after {
    border-color: #0d9488;
    transform: translateY(-50%) rotate(45deg) scale(1.15);
  }
}
@media (max-width: 1023px) and (min-width: 641px) {
  section.qdzrt-about .qdzrt-about__grid,
  section.qdzrt-about .qdzrt-about__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  section.qdzrt-about .qdzrt-about__flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
  section.qdzrt-about .qdzrt-about__qa {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  section.qdzrt-about .qdzrt-about__grid,
  section.qdzrt-about .qdzrt-about__cards,
  section.qdzrt-about .qdzrt-about__flow {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

/* 底部行动召唤 CTA 区域 (Call To Action - 100% 全宽通栏工学深蓝) */
section.qdzrt-about .qdzrt-about__cta {
  position: relative;
  left: calc(50% - 50vw);
  right: calc(50% - 50vw);
  width: 100vw;
  max-width: 100vw;
  margin-top: 48px;
  margin-bottom: 0;
  padding: 56px 20px;
  background: radial-gradient(800px 300px at 50% 0%, rgba(31, 120, 198, 0.14), transparent 70%), linear-gradient(135deg, #0d233a 0%, #081726 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: none;
  border-left: none;
  border-right: none;
  border-radius: 0;
  color: #ffffff;
  text-align: center;
  box-sizing: border-box;
}
section.qdzrt-about .qdzrt-about__cta h2 {
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700;
  color: #ffffff;
  margin: 0 auto 12px;
  max-width: 800px;
  line-height: 1.25;
}
section.qdzrt-about .qdzrt-about__cta p {
  font-size: 15px;
  color: rgba(238, 246, 253, 0.9);
  max-width: 720px;
  margin: 0 auto 26px;
  line-height: 1.65;
}
section.qdzrt-about .qdzrt-about__btns {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin: 0 auto;
  max-width: 600px;
}
section.qdzrt-about .qdzrt-about__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 4px; /* <= 8px site standard */
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
  min-width: 140px;
}
section.qdzrt-about .qdzrt-about__btn--light {
  background: #009999;
  border: 1px solid #009999;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 153, 153, 0.25);
}
section.qdzrt-about .qdzrt-about__btn--light:hover {
  background: #008181;
  border-color: #008181;
  transform: translateY(-1px);
}
section.qdzrt-about .qdzrt-about__btn--line {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #ffffff;
}
section.qdzrt-about .qdzrt-about__btn--line:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

/* FAQ Header Row with Toggle Button */
.qdzrt-about__faq-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}
.qdzrt-about__faq-header h2 {
  margin: 0;
}
.qdzrt-faq-toggle-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--qdzrt-line, #d8e2ec);
  border-radius: 4px; /* <= 8px site standard */
  background: #ffffff;
  color: var(--qdzrt-ink, #11263c);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: all 0.18s ease;
}
.qdzrt-faq-toggle-all:hover {
  border-color: #009999;
  color: #009999;
  background: #f0fdfd;
}
.qdzrt-faq-toggle-all svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  transition: transform 0.2s ease;
}
.qdzrt-faq-toggle-all.is-expanded svg {
  transform: rotate(180deg);
}

section.qdzrt-about details {
  margin-top: 12px;
  border: 1px solid var(--qdzrt-line, #d8e2ec);
  border-radius: 4px; /* Strictly <= 8px matching site standard */
  background: #ffffff;
  box-shadow: 0 2px 6px rgba(17, 38, 60, 0.03);
  padding: 0;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
section.qdzrt-about details:hover {
  border-color: #80cccc;
  box-shadow: 0 4px 12px rgba(0, 153, 153, 0.08);
}
section.qdzrt-about details[open] {
  border-color: #009999;
  box-shadow: 0 4px 14px rgba(0, 153, 153, 0.1);
}
section.qdzrt-about summary {
  position: relative;
  cursor: pointer;
  padding: 16px 48px 16px 20px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--qdzrt-ink, #11263c);
  list-style: none;
  display: flex;
  align-items: center;
  user-select: none;
}
section.qdzrt-about summary::-webkit-details-marker {
  display: none;
}
/* Exact match with Compliance & Dual-Use FAQ Question SVG Icon */
section.qdzrt-about summary::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-right: 12px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23009999' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3'/%3E%3Cline x1='12' y1='17' x2='12.01' y2='17'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  flex-shrink: 0;
}
section.qdzrt-about summary::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid #009999;
  border-bottom: 2px solid #009999;
  transform: translateY(-65%) rotate(45deg);
  transition: transform 0.2s ease;
}
section.qdzrt-about details[open] summary::after {
  transform: translateY(-35%) rotate(-135deg);
}
section.qdzrt-about details p {
  margin: 0;
  padding: 0 20px 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--qdzrt-copy, #475569);
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
}

@media (max-width: 1080px) {
  section.qdzrt-about .qdzrt-about__section {
      padding: 18px;
    }
  section.qdzrt-about .qdzrt-about__cards, section.qdzrt-about .qdzrt-about__flow, section.qdzrt-about .qdzrt-about__grid {
      grid-template-columns: 1fr;
    }
  section.qdzrt-about .qdzrt-about__logo {
      float: none;
      width: 300px;
      max-width: 80%;
      margin: 0 0 12px;
    }
  section.qdzrt-about .qdzrt-about__qa {
      grid-template-columns: 1fr;
      padding-right: 0;
    }
  section.qdzrt-about .qdzrt-about__qa figure {
      grid-column: 1;
      grid-row: 1;
      width: 100%;
      max-width: none;
      margin: 0 0 12px;
    }
  section.qdzrt-about .qdzrt-about__qa .qdzrt-about__qa-text > p {
      grid-column: 1;
      grid-row: 2;
    }
  section.qdzrt-about .qdzrt-about__qa-list {
      grid-column: 1;
      grid-row: 3;
    }
  section.qdzrt-about .qdzrt-about__qa img {
      width: 100%;
      height: auto;
      max-height: 420px;
      object-fit: contain;
    }
  section.qdzrt-about .qdzrt-about__top {
      min-height: 300px;
      padding-top: 20px;
      padding-bottom: 18px;
    }
  section.qdzrt-about > .qdzrt-about__section.qdzrt-about__top::after {
      background-size: cover, cover;
      background-position: center center, center center;
    }
  section.qdzrt-about .qdzrt-about__top .qdzrt-about__top-intro h1,
    section.qdzrt-about .qdzrt-about__top .qdzrt-about__top-intro h2 {
      font-size: clamp(28px, 4.8vw, 38px);
    }
  section.qdzrt-about .qdzrt-about__top-intro p {
      font-size: 17px;
      line-height: 1.85;
    }
  section.qdzrt-about .qdzrt-about__section > p {
      font-size: 15px;
      line-height: 1.8;
    }
  section.qdzrt-about .qdzrt-about__item img {
      height: 186px;
    }
  section.qdzrt-about .qdzrt-about__card p {
      padding-right: 64px;
    }
}
@media (max-width: 720px) {
  section.qdzrt-about .qdzrt-about__section {
      padding: 14px;
      border-radius: 8px;
    }
  section.qdzrt-about .qdzrt-about__top {
      min-height: 0;
      padding-top: 18px;
      padding-bottom: 18px;
    }
  section.qdzrt-about > .qdzrt-about__section.qdzrt-about__top::after {
      background-size: cover, cover;
      background-position: center center, center bottom;
    }
  section.qdzrt-about .qdzrt-about__logo {
      width: min(280px, 88%);
      max-width: none;
    }
  section.qdzrt-about .qdzrt-about__top .qdzrt-about__top-intro h1,
    section.qdzrt-about .qdzrt-about__top .qdzrt-about__top-intro h2 {
      font-size: clamp(26px, 7.6vw, 32px);
    }
  section.qdzrt-about .qdzrt-about__top-intro p {
      font-size: 16px;
      line-height: 1.8;
    }
  section.qdzrt-about .qdzrt-about__item img {
      height: 170px;
    }
  section.qdzrt-about .qdzrt-about__cards .qdzrt-about__card::after {
      width: 52px;
      height: 52px;
      top: 14px;
      right: 14px;
      opacity: 0.2;
    }
  section.qdzrt-about .qdzrt-about__card h3 {
      margin-right: 64px;
    }
  section.qdzrt-about .qdzrt-about__card p {
      padding-right: 56px;
    }
  section.qdzrt-about summary {
      font-size: 15px;
      padding: 13px 42px 13px 13px;
    }
  section.qdzrt-about summary::after {
      right: 12px;
      width: 10px;
      height: 10px;
    }
  section.qdzrt-about details p {
      padding: 0 13px 13px;
    }

}