/* =========================================
   Footer - 4 栏 + 底部版权
   图二: LINKS 标题 DM Sans 400 / 20 / 40 / #222
   图三: 列表项  DM Sans 300 / 16 / 21 / #222
   图四: 输入框  DM Sans 400 / 14 / 28 / #999
   图五: Subscribe Now DM Sans 400 / 16 / #FFF 红底
   ========================================= */

.site_footer {
  width: 100%;
  background: #ffffff;
  padding: 80px 0 0;
  box-sizing: border-box;
}

.footer_inner {
  width: 90%;
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

.footer_col {
  flex: 0 0 auto;
}

.footer_col_title {
  margin: 0 0 28px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 400;
  font-size: 20px;
  line-height: 40px;
  color: #222222;
}

/* ---------- Col 1: LOGO + 社交 ---------- */

.footer_logo_col {
  width: 230px;
}

.footer_logo {
  display: inline-block;
  margin-bottom: 28px;
}

.footer_logo img {
  height: 140px;
  width: auto;
  display: block;
}

.footer_social {
  display: flex;
  gap: 12px;
  align-items: center;
}

.social_item {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #DADADA;
  transition: background-color 0.3s ease;
  text-decoration: none;
}

.social_item:hover {
  background: #e5e5e5;
}

.social_item svg {
  display: block;
}

.social_item:hover {
  background: #b7202c;
}

/* ---------- Col 2: LINKS ---------- */

.footer_links {
  width: 140px;
}

.footer_links ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer_links ul li {
  margin-bottom: 12px;
}

.footer_links ul li:last-child {
  margin-bottom: 0;
}

.footer_links ul li a {
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 21px;
  color: #222222;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer_links ul li a:hover {
  color: #cf2734;
}

/* ---------- Col 3: INFO ---------- */

.footer_info {
  width: 300px;
}

.footer_info_item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 14px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 24px;
  color: #222222;
}

.footer_info_item:last-child {
  margin-bottom: 0;
}

.info_icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

/* ---------- Col 4: CONTACT US ---------- */

.footer_contact {
  width: 405px;
}

.footer_contact_sub {
  margin: 0 0 18px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 300;
  font-size: 15px;
  line-height: 24px;
  color: #555555;
}

.footer_input_box {
  width: 100%;
}

.footer_form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer_form label {
  display: none;
}

.footer_form .fc-form-body {
  width: 100%;
}

.footer_form .fc-form-body input {
  width: 100% !important;
  height: 31px;
  border: none;
  border-radius: 16px;
  background: #f5f5f5;
  padding: 0 18px;
  box-sizing: border-box;
  outline: none;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 28px;
  color: #222222;
  text-align: left;
}

.footer_form .fc-form-body input::placeholder {
  color: #999999;
  opacity: 1;
}

.footer_form .form-actions {
  position: static;
  transform: none;
  margin: 0;
  padding: 0;
}

.footer_sub_btn {
  display: inline-block;
  background: #cf2734;
  border-radius: 50px;
  padding: 15px 28px;
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 22px;
  color: #ffffff;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.3s ease;
  box-shadow: 0 2px 6px rgba(207, 39, 52, 0.2);
  user-select: none;
}

.footer_sub_btn:hover {
  background: #b7202c;
}

/* ---------- 底部版权 ---------- */

.footer_bottom {
  width: 100%;
  border-top: 1px solid #eaeaea;
  margin-top: 70px;
  padding: 22px 0;
  text-align: center;
}

.footer_bottom span {
  font-family: "DM Sans", "DM_Sans_regular", sans-serif;
  font-weight: 300;
  font-size: 14px;
  line-height: 20px;
  color: #888888;
}

/* ---------- 响应式 ---------- */

@media screen and (max-width: 1440px) {
  .site_footer {
    padding-top: 60px;
  }
  .footer_inner {
    gap: 32px;
  }
  .footer_logo_col {
    width: 200px;
  }
  .footer_contact {
    width: 370px;
  }
}

@media screen and (max-width: 1200px) {
  .footer_inner {
    flex-wrap: wrap;
    gap: 36px 40px;
  }
  .footer_logo_col,
  .footer_links,
  .footer_info,
  .footer_contact {
    width: auto;
    flex: 1 1 45%;
  }
  .footer_contact {
    max-width: 405px;
  }
}

@media screen and (max-width: 992px) {
  .site_footer {
    padding-top: 50px;
  }
  .footer_inner {
    flex-direction: column;
    gap: 36px;
  }
  .footer_col,
  .footer_logo_col,
  .footer_links,
  .footer_info,
  .footer_contact {
    width: 100%;
    max-width: 480px;
  }
  .footer_bottom {
    margin-top: 50px;
  }
}

@media screen and (max-width: 768px) {
  .site_footer {
    padding-top: 44px;
  }
  .footer_col_title {
    font-size: 18px;
    line-height: 32px;
    margin-bottom: 20px;
  }
  .footer_logo img {
    height: 44px;
  }
  .footer_bottom {
    padding: 18px 0;
    margin-top: 40px;
  }
}

@media screen and (max-width: 480px) {
  .site_footer {
    padding-top: 36px;
  }
  .footer_links ul li a,
  .footer_info_item {
    font-size: 15px;
  }
  .footer_sub_btn {
    width: 100%;
    box-sizing: border-box;
  }
}