/* =========================================
   经销商合作页 - Cooperation Page
   设计稿：1920 宽
   ========================================= */

html {
  font-size: 16px;
}

/* =========================================
   顶部面包屑 position_box
   （沿用全局样式，若有则无需重写）
   ========================================= */

.position_box {
  background: #FAF9F6;
  padding: 16px 0;
  border-bottom: 1px solid #eee;
}

.position {
  width: 90%;
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "DM Sans", sans-serif;
  font-size: 14px;
  color: #666;
}

.position a {
  color: #666;
  text-decoration: none;
}

/* =========================================
   Become A Global Distributor Of Kct
   ========================================= */

.coop_intro {
  background: #FAF9F6;
  padding: 80px 0 100px;
}

.coop_intro_inner {
  width: 90%;
  max-width: 1600px;
  margin: 0 auto;
  text-align: center;
}

/* 标题 DM Sans 800 / 48px / line-height 60px / #333333 / 居中 */
.coop_intro_title {
  margin: 0 0 32px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 800;
  font-size: 48px;
  line-height: 60px;
  color: #333333;
  text-align: center;
}

/* 描述 Source Han Sans 350 / 18px / 36px / #666666 / 居中 / max-width 1129px */
.coop_intro_desc {
  margin: 0 auto;
  max-width: 1129px;
  font-family: "Source Han Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 350;
  font-size: 18px;
  line-height: 36px;
  color: #666666;
  text-align: center;
}

/* =========================================
   Dealer admission conditions 卡片
   背景 #FFFFFF / 圆角 / 阴影
   ========================================= */

.coop_condition_card {
  display: flex;
  align-items: stretch;
  margin: 60px auto 0;
  max-width: 1600px;
  width: 100%;
  background: #FFFFFF;
  border-radius: 8px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.coop_condition_left {
  flex: 1;
  padding: 48px 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* 标题 + 左侧装饰条 */
.coop_condition_title_wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

/* 红色竖条装饰 */
.coop_condition_bar {
  display: inline-block;
  width: 4px;
  height: 31px;
  background: #CF2734;
  border-radius: 2px;
  flex-shrink: 0;
}

/* 标题 DM Sans 600 / 24px / 31px / #CF2734 */
.coop_condition_title {
  margin: 0;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 600;
  font-size: 24px;
  line-height: 31px;
  color: #CF2734;
  text-align: left;
}

/* 列表 */
.coop_condition_list {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* 列表项 DM Sans 300 / 16px / 32px / #333333 */
.coop_condition_list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 32px;
  color: #333333;
  text-align: left;
}

.coop_condition_list li + li {
  margin-top: 10px;
}

/* 红色圆点 */
.coop_dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: #CF2734;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 11px; /* 让圆点垂直居中于 32px 行高 */
}

/* 右侧图片 */
.coop_condition_right {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
}

.coop_condition_right img {
  display: block;
  width: 388px;
  height: auto;
  object-fit: contain;
  margin-left: 100px;
  margin-top: 40px;
}

/* =========================================
   Dealer Cooperation Process
   ========================================= */

.coop_process {
  background: #FAF9F6;
  padding: 80px 0 100px;
}

.coop_process_inner {
  width: 90%;
  max-width: 1600px;
  margin: 0 auto;
}

.coop_process_title {
  margin: 0 0 60px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 800;
  font-size: 48px;
  line-height: 60px;
  color: #333333;
  text-align: center;
}

/* 流程列表 —— CSS Grid: 3列，第二行2个居中 */
.coop_process_list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* 让第4、5项（即 .coop_process_item:nth-child(4) 和 nth-child(5)）
   在第二行居中显示 */
.coop_process_item:nth-child(4) {
  grid-column: 1 / 2;
}
.coop_process_item:nth-child(5) {
  grid-column: 2 / 3;
}

.coop_process_item {
  background: #FFFFFF;
  border: 1px solid #EAEAEA;
  border-radius: 8px;
  padding: 32px;
  text-align: left;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.coop_process_item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

/* 步骤编号 DM Sans 700 / 24px / line-height 40px / #CF2734 */
.coop_process_num {
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 700;
  font-size: 24px;
  line-height: 40px;
  color: #CF2734;
  text-align: left;
  margin-bottom: 12px;
}

/* 步骤标题 DM Sans 700 / 24px / line-height 34px / #000000 */
.coop_process_step {
  margin: 0 0 12px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 700;
  font-size: 24px;
  line-height: 34px;
  color: #000000;
  text-align: left;
}

/* 步骤描述 DM Sans 300 / 14px / line-height 24px / #666666 */
.coop_process_desc {
  margin: 0;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 300;
  font-size: 14px;
  line-height: 24px;
  color: #666666;
  text-align: left;
}

/* =========================================
   Sample Request
   背景 #FAF9F6
   左卡片白底 + 右表单
   ========================================= */

.coop_sample {
  background: #FAF9F6;
  padding: 80px 0 100px;
}

.coop_sample_inner {
  width: 90%;
  max-width: 1600px;
  margin: 0 auto;
}

/* 标题 DM Sans 800 / 48px / line-height 60px / #333333 / 居中 */
.coop_sample_title {
  margin: 0 0 60px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 800;
  font-size: 48px;
  line-height: 60px;
  color: #333333;
  text-align: center;
}

/* 主区域 —— 左右两列 */
.coop_sample_main {
  display: flex;
  align-items: stretch;
  gap: 40px;
}

/* ---- 左侧卡片 ---- */
.coop_sample_card {
  width: 45%;
  flex-shrink: 0;
  background: #FFFFFF;
  border-radius: 8px;
  padding: 32px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  box-sizing: border-box;
}

/* 样品图片 */
.coop_sample_card_pic {
  width: 100%;
  height: 280px;
  overflow: hidden;
  border-radius: 4px;
  margin-bottom: 24px;
}

.coop_sample_card_pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 卡片标题 DM Sans 500 / 20px / 24px / #CF2734 / letter-spacing 1px */
.coop_sample_card_title {
  margin: 0 0 20px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 24px;
  color: #CF2734;
  letter-spacing: 1px;
  text-align: left;
}

/* 勾选列表 */
.coop_sample_card_list {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* 列表项 DM Sans 300 / 16px / 42px / #666666 */
.coop_sample_card_list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 42px;
  color: #666666;
  text-align: left;
}

.coop_sample_card_list li + li {
  border-top: 1px solid #F0F0F0;
}

/* 勾选图标 */
.coop_sample_check {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ---- 右侧表单 ---- */
.coop_sample_form {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* 表单标题 DM Sans 600 / 30px / 49px / #CF2734 / 居中 */
.coop_sample_form_title {
  margin: 0 0 32px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 600;
  font-size: 30px;
  line-height: 49px;
  color: #CF2734;
  text-align: center;
}

/* =========================================
   Sample Request —— 表单（参照 qw.css 适配 Koov 后台结构）
   CSS Grid 两列布局 + textarea 全宽
   ========================================= */

.coop_sample_form_box.form-horizontal {
  display: block;
  width: 100%;
}

/* Koov form-horizontal 默认 Bootstrap 结构重置 */
.coop_sample_form_box .fc-form-body {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  width: 100%;
}

/* form-group：两列各 50% */
.coop_sample_form_box.form-horizontal .form-group {
  flex: 1;
  min-width: calc(50% - 10px);
  max-width: calc(50% - 10px);
  display: flex !important;
  flex-direction: column;
  margin-bottom: 0 !important;
  gap: 8px;
}

/* Shipping Address / Remarks —— 第5、6个字段独占一行
   JS 给它们加 .form-group-full 类（兼容性最好） */
.coop_sample_form_box.form-horizontal .form-group.form-group-full,
.coop_sample_form_box.form-horizontal .form-group:nth-child(5),
.coop_sample_form_box.form-horizontal .form-group:nth-child(6),
.coop_sample_form_box.form-horizontal .form-group:has(textarea),
.coop_sample_form_box.form-horizontal .form-group:has(select) {
  flex: 0 0 100% !important;
  min-width: 100% !important;
  max-width: 100% !important;
  width: 100% !important;
}

/* 隐藏 Bootstrap label（下拉 / 单选组不隐藏，用 :not 排除） */
.coop_sample_form_box.form-horizontal .form-group:not(:has(select)):not(:has(input[type="radio"])) > label.control-label.col-md-2,
.coop_sample_form_box.form-horizontal .form-group:not(:has(select)):not(:has(input[type="radio"])) label,
.coop_sample_form_box.form-horizontal label {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  float: none !important;
  width: 0 !important;
  overflow: hidden !important;
}

/* 隐藏帮助提示 */
.coop_sample_form_box.form-horizontal .form-group .help-block,
.coop_sample_form_box.form-horizontal .form-group span[id$="_tips"] {
  display: none !important;
}

/* 重置 Bootstrap .col-md-10 */
.coop_sample_form_box.form-horizontal .form-group > .col-md-10 {
  width: 100% !important;
  max-width: 100% !important;
  padding: 0 !important;
  float: none !important;
}

/* 输入框 —— 白底 / 浅灰描边 / 14px / DM Sans */
.coop_sample_form_box.form-horizontal .form-group input[type="text"],
.coop_sample_form_box.form-horizontal .form-group input[type="email"],
.coop_sample_form_box.form-horizontal .form-group input[type="tel"],
.coop_sample_form_box.form-horizontal .form-group input[type="number"],
.coop_sample_form_box.form-horizontal .form-group select,
.coop_sample_form_box.form-horizontal .form-group textarea,
.coop_sample_form_box.form-horizontal .form-control {
  width: 100% !important;
  box-sizing: border-box !important;
  padding: 14px 18px;
  border: 1px solid #E8E8E8;
  border-radius: 4px;
  background: #FFFFFF;
  outline: none;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 23px;
  color: #333333;
  text-align: left;
  transition: border-color 0.3s ease;
  float: none !important;
}

/* textarea 基础高度 */
.coop_sample_form_box.form-horizontal textarea {
  resize: none;
  width: 100%;
}

/* Shipping Address —— Koov 渲染为 input，用字段 ID 精准设高度
   DevTools 显示: input#dr_shipping_address */
.coop_sample_form_box.form-horizontal #dr_shipping_address {
  height: 88px !important;
  min-height: 160px !important;

}

/* Remarks —— Koov 渲染为 input，用字段 ID 精准设高度
   DevTools 显示: input#dr_remarks */
.coop_sample_form_box.form-horizontal #dr_remarks {
  height: 120px !important;
  min-height: 160px !important;

}

/* 兼容：如果 Koov 渲染为 textarea 也生效 */
.coop_sample_form_box.form-horizontal textarea#dr_shipping_address { height: 160px !important; min-height: 160px !important; }
.coop_sample_form_box.form-horizontal textarea#dr_remarks        { height: 160px !important; min-height: 160px !important; }

/* Focus 态 */
.coop_sample_form_box.form-horizontal input:focus,
.coop_sample_form_box.form-horizontal select:focus,
.coop_sample_form_box.form-horizontal textarea:focus {
  border-color: #CF2734;
  box-shadow: none;
}

/* placeholder —— #999 / DM Sans 14px */
.coop_sample_form_box.form-horizontal input::placeholder,
.coop_sample_form_box.form-horizontal select::placeholder,
.coop_sample_form_box.form-horizontal textarea::placeholder,
.coop_sample_form_box.form-horizontal .form-control::placeholder {
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 23px;
  color: #999999;
}

/* Send 按钮 */
.coop_sample_form_action {
  display: flex;
  justify-content: flex-start;
  margin-top: 28px;
}

.coop_sample_send {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  background: #CF2734;
  border: none;
  border-radius: 180px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 500;
  font-size: 15px;
  line-height: 1;
  color: #FFFFFF;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.coop_sample_send:hover {
  background: #B7202C;
  transform: translateX(2px);
}

.coop_sample_send.disabled {
  background: #C0BFC0;
  cursor: not-allowed;
  transform: none;
}

/* =========================================
   Dealer Application Form —— 后台别名 jxssqb
   2 列网格 + 大字段全宽 + Radio Yes/No
   ========================================= */

.coop_dealer {
  background: #FFFFFF;
  padding: 80px 0 100px;
}

.coop_dealer_inner {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* 标题 DM Sans 800 / 48px / line-height 60px / #333333 / 居中 */
.coop_dealer_title {
  margin: 0 0 48px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 800;
  font-size: 48px;
  line-height: 60px;
  color: #333333;
  text-align: center;
}

/* ---- 表单基础（复用 Sample Request 的输入框样式，但独立容器） ---- */
.coop_dealer_form_box.form-horizontal {
  display: block;
  width: 100%;
}

/* flex-wrap 布局：2 列各 50% */
.coop_dealer_form_box .fc-form-body {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  width: 100%;
}

.coop_dealer_form_box.form-horizontal .form-group {
  flex: 1;
  min-width: calc(50% - 10px);
  max-width: calc(50% - 10px);
  display: flex !important;
  flex-direction: column;
  margin-bottom: 0 !important;
  gap: 0;
}

/* 以下字段全宽：Business Introduction / Existing Sales Channels /
   Estimated Annual Purchase Volume / Exclusive Distribution / Remarks
   —— 用 JS 加的 .form-group-full 或字段 nth-child */
.coop_dealer_form_box.form-horizontal .form-group.form-group-full,
.coop_dealer_form_box.form-horizontal .form-group:nth-child(n+7) {
  flex: 0 0 100% !important;
  min-width: 100% !important;
  max-width: 100% !important;
  width: 100% !important;
}

/* 隐藏 Bootstrap label（下拉 / 单选组不隐藏，用 :not 排除） */
.coop_dealer_form_box.form-horizontal .form-group:not(:has(select)):not(:has(input[type="radio"])) > label.control-label.col-md-2,
.coop_dealer_form_box.form-horizontal .form-group:not(:has(select)):not(:has(input[type="radio"])) label,
.coop_dealer_form_box.form-horizontal label {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  width: 0 !important;
  overflow: hidden !important;
}

/* Bootstrap .col-md-10 重置 */
.coop_dealer_form_box.form-horizontal .form-group > .col-md-10 {
  width: 100% !important;
  max-width: 100% !important;
  padding: 0 !important;
  float: none !important;
}

/* 输入框 */
.coop_dealer_form_box.form-horizontal .form-group input[type="text"],
.coop_dealer_form_box.form-horizontal .form-group input[type="email"],
.coop_dealer_form_box.form-horizontal .form-group input[type="tel"],
.coop_dealer_form_box.form-horizontal .form-group input[type="number"],
.coop_dealer_form_box.form-horizontal .form-group select,
.coop_dealer_form_box.form-horizontal .form-group textarea,
.coop_dealer_form_box.form-horizontal .form-control {
  width: 100% !important;
  box-sizing: border-box !important;
  padding: 14px 18px;
  border: 1px solid #E8E8E8;
  border-radius: 4px;
  background: #FFFFFF;
  outline: none;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 23px;
  color: #333333;
  text-align: left;
  transition: border-color 0.3s ease;
  float: none !important;
}

/* 多行字段（Business Introduction / Remarks 等）更高 —— Koov 是 input，用 ID 选 */
.coop_dealer_form_box.form-horizontal #dr_business_introduction,
.coop_dealer_form_box.form-horizontal #dr_existing_sales_channels,
.coop_dealer_form_box.form-horizontal #dr_estimated_annual,
.coop_dealer_form_box.form-horizontal #dr_remarks {
  height: 100px !important;
  min-height: 100px !important;
}

/* Radio 组 / Select 组 —— 全宽且 label 可见
   Exclusive Distribution 在后台是下拉选择，但设计稿是单选 Yes/No
   CSS 同时兼容两种类型 */
.coop_dealer_form_box.form-horizontal .form-group:has(input[type="radio"]),
.coop_dealer_form_box.form-horizontal .form-group:has(select) {
  flex: 0 0 100% !important;
  min-width: 100% !important;
  max-width: 100% !important;
  width: 100% !important;
}

/* Radio 组：横向排列 */
.coop_dealer_form_box.form-horizontal .form-group:has(input[type="radio"]) {
  flex-direction: row !important;
  align-items: center !important;
  gap: 24px !important;
  padding: 8px 0;
}

/* Radio 组 label 样式 */
.coop_dealer_form_box.form-horizontal .form-group:has(input[type="radio"]) label {
  display: inline-block !important;
  visibility: visible !important;
  height: auto !important;
  width: auto !important;
  overflow: visible !important;
  margin: 0 !important;
  font-family: "DM Sans", sans-serif;
  font-size: 14px;
  color: #333333;
  cursor: pointer;
}

/* Select 组 label 样式（灰色说明文字） */
.coop_dealer_form_box.form-horizontal .form-group:has(select) label {
  display: block !important;
  visibility: visible !important;
  height: auto !important;
  width: auto !important;
  overflow: visible !important;
  margin: 0 0 8px !important;
  font-family: "DM Sans", sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  cursor: default;
}

/* Select 下拉框样式 —— 带箭头 */
.coop_dealer_form_box.form-horizontal select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px;
  cursor: pointer;
}

/* Radio 小圆点 */
.coop_dealer_form_box.form-horizontal input[type="radio"] {
  margin-right: 6px;
  accent-color: #CF2734;
}

/* Focus */
.coop_dealer_form_box.form-horizontal input:focus,
.coop_dealer_form_box.form-horizontal select:focus,
.coop_dealer_form_box.form-horizontal textarea:focus {
  border-color: #CF2734;
  box-shadow: none;
}

/* placeholder —— DM Sans 400 / 14px / #666666 */
.coop_dealer_form_box.form-horizontal input::placeholder,
.coop_dealer_form_box.form-horizontal select::placeholder,
.coop_dealer_form_box.form-horizontal textarea::placeholder,
.coop_dealer_form_box.form-horizontal .form-control::placeholder {
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 23px;
  color: #666666;
}

/* Send 按钮 */
.coop_dealer_action {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

.coop_dealer_send {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: #CF2734;
  border: none;
  border-radius: 180px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 500;
  font-size: 15px;
  line-height: 1;
  color: #FFFFFF;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.coop_dealer_send:hover {
  background: #B7202C;
  transform: translateX(2px);
}

.coop_dealer_send.disabled {
  background: #C0BFC0;
  cursor: not-allowed;
  transform: none;
}

.coop_dealer_send_icon {
  width: 16px;
  height: 16px;
  filter: brightness(0) invert(1);
}

/* =========================================
   响应式
   ========================================= */

@media screen and (max-width: 1440px) {
  .coop_intro_title {
    font-size: 42px;
    line-height: 54px;
  }
  .coop_process_title {
    font-size: 42px;
    line-height: 54px;
  }
  .coop_sample_title {
    font-size: 42px;
    line-height: 54px;
  }
  .coop_condition_left {
    padding: 40px 48px;
  }
}

@media screen and (max-width: 1200px) {
  .coop_intro {
    padding: 60px 0 80px;
  }
  .coop_intro_title {
    font-size: 36px;
    line-height: 48px;
  }
  .coop_intro_desc {
    font-size: 17px;
    line-height: 34px;
  }
  .coop_condition_card {
    flex-direction: column;
  }
  .coop_condition_left {
    padding: 36px 40px;
  }
  .coop_condition_right {
    width: 100%;
    order: -1;
  }
  .coop_condition_right img {
    max-height: 280px;
    object-fit: cover;
    margin: 0;
  }
  .coop_process {
    padding: 60px 0 80px;
  }
  .coop_process_title {
    font-size: 36px;
    line-height: 48px;
    margin-bottom: 40px;
  }
  .coop_process_list {
    grid-template-columns: repeat(2, 1fr);
  }
  .coop_process_item:nth-child(4),
  .coop_process_item:nth-child(5) {
    grid-column: auto;
  }
  .coop_sample {
    padding: 60px 0 80px;
  }
  .coop_sample_title {
    font-size: 36px;
    line-height: 48px;
    margin-bottom: 48px;
  }
  .coop_sample_main {
    flex-direction: column;
  }
  .coop_sample_card {
    width: 100%;
  }
}

@media screen and (max-width: 992px) {
  .coop_intro_title {
    font-size: 32px;
    line-height: 42px;
  }
  .coop_intro_desc {
    font-size: 16px;
    line-height: 30px;
  }
  .coop_condition_left {
    padding: 28px 28px;
  }
  .coop_process_title {
    font-size: 32px;
    line-height: 42px;
  }
  .coop_process_step {
    font-size: 20px;
    line-height: 30px;
  }
  .coop_sample_title {
    font-size: 32px;
    line-height: 42px;
  }
  .coop_sample_form_title {
    font-size: 26px;
    line-height: 40px;
  }
  .coop_dealer {
    padding: 60px 0 80px;
  }
  .coop_dealer_title {
    font-size: 36px;
    line-height: 48px;
    margin-bottom: 40px;
  }
}

@media screen and (max-width: 768px) {
  .coop_intro {
    padding: 50px 0 60px;
  }
  .coop_intro_title {
    font-size: 28px;
    line-height: 38px;
    margin-bottom: 24px;
  }
  .coop_intro_desc {
    font-size: 15px;
    line-height: 28px;
  }
  .coop_process {
    padding: 50px 0 60px;
  }
  .coop_process_title {
    font-size: 28px;
    line-height: 38px;
    margin-bottom: 32px;
  }
  .coop_process_list {
    grid-template-columns: 1fr;
  }
  .coop_sample {
    padding: 50px 0 60px;
  }
  .coop_sample_title {
    font-size: 28px;
    line-height: 38px;
    margin-bottom: 32px;
  }
  .coop_sample_form_title {
    font-size: 22px;
    line-height: 36px;
  }
  /* 768 以下 Sample 表单单列 */
  .coop_sample_form_box.form-horizontal .fc-form-body {
    gap: 16px;
  }
  .coop_sample_form_box.form-horizontal .form-group {
    flex: 0 0 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    width: 100% !important;
  }
  /* Dealer 表单单列 */
  .coop_dealer_form_box.form-horizontal .fc-form-body {
    gap: 16px;
  }
  .coop_dealer_form_box.form-horizontal .form-group {
    flex: 0 0 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    width: 100% !important;
  }
  .coop_dealer_title {
    font-size: 28px;
    line-height: 38px;
    margin-bottom: 32px;
  }
}

@media screen and (max-width: 480px) {
  .coop_intro_title {
    font-size: 24px;
    line-height: 34px;
  }
  .coop_intro_desc {
    font-size: 14px;
    line-height: 26px;
  }
  .coop_condition_left {
    padding: 24px 20px;
  }
  .coop_condition_title {
    font-size: 20px;
    line-height: 26px;
  }
  .coop_condition_list li {
    font-size: 14px;
    line-height: 28px;
  }
  .coop_process_title {
    font-size: 24px;
    line-height: 34px;
  }
  .coop_process_step {
    font-size: 18px;
    line-height: 26px;
  }
  .coop_sample_title {
    font-size: 24px;
    line-height: 34px;
  }
  .coop_sample_card_title {
    font-size: 18px;
    line-height: 22px;
  }
  .coop_sample_card_list li {
    font-size: 14px;
    line-height: 32px;
  }
}