@charset "UTF-8";
.main-top.qit {
  --qit-primary: #b677ec;
  --qit-primary-rgb: 217, 30, 30;
  background: #eef1f8;
}

.qitkv {
  width: 100%;
  min-height: 620px;
  padding: 72px 144px 80px;
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -moz-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  gap: 48px;
  background: url(/images/qitkv_bg.png) center center/cover no-repeat;
  position: relative;
  overflow: hidden;
}

.qitkv::before {
  content: "";
  position: absolute;
  inset: 0;
  background: -webkit-linear-gradient(
    left,
    rgba(233, 236, 244, 0.18) 0%,
    rgba(233, 236, 244, 0.08) 44%,
    rgba(255, 255, 255, 0) 100%
  );
  background: -moz-linear-gradient(
    left,
    rgba(233, 236, 244, 0.18) 0%,
    rgba(233, 236, 244, 0.08) 44%,
    rgba(255, 255, 255, 0) 100%
  );
  background: -o-linear-gradient(
    left,
    rgba(233, 236, 244, 0.18) 0%,
    rgba(233, 236, 244, 0.08) 44%,
    rgba(255, 255, 255, 0) 100%
  );
  background: linear-gradient(
    90deg,
    rgba(233, 236, 244, 0.18) 0%,
    rgba(233, 236, 244, 0.08) 44%,
    rgba(255, 255, 255, 0) 100%
  );
}

.qittitle,
.qitlogin {
  position: relative;
  z-index: 1;
}

.qittitle {
  width: 100%;
}

.qitlogo {
  width: 100%;
  max-width: 610px;
  margin-bottom: 30px;
}

.qittitle h1 {
  margin: 0 0 16px;
  color: #ffffff;
  font-size: clamp(42px, 4.8vw, 64px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.02em;
  text-shadow: -2px -2px 0 var(--qit-primary), 2px -2px 0 var(--qit-primary),
    -2px 2px 0 var(--qit-primary), 2px 2px 0 var(--qit-primary),
    0 0 22px rgba(var(--qit-primary-rgb), 0.32);
}
.qit-title2 {
  font-size: clamp(36px, 4.8vw, 50px);
  font-weight: 700;
  line-height: 1.08;
  text-align: center;
  color: #4c5b6b;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  padding: 40px 0;
}
.teaching {
  padding: 0 0 72px;
}

.teach-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 26px;
  margin-bottom: 26px;
}

.teach-card {
  padding: 34px 34px 38px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 48px rgba(34, 40, 66, 0.12);
}

.teach-heading {
  margin: 0 0 26px;
  display: flex;
  align-items: center;
  gap: 16px;
  color: #141414;
  font-size: clamp(24px, 2vw, 30px);
  font-weight: 700;
  line-height: 1.2;
}

.teach-heading-bar {
  width: 5px;
  height: 34px;
  border-radius: 99px;
  background: var(--qit-primary);
  flex: 0 0 auto;
}

.teach-copy {
  max-width: 620px;
  margin: 0;
  color: #4a4f57;
  font-size: clamp(18px, 1.55vw, 23px);
  font-weight: 500;
  line-height: 1.55;
}

.teach-copy span {
  color: var(--qit-primary);
  font-weight: 700;
}

.teach-card-intro {
  min-height: 310px;
}

.teach-download {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 152px;
  gap: 24px;
  align-items: center;
}

.teach-download-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
}

.teach-btn,
.teach-store {
  min-height: 52px;
  border-radius: 6px;
  text-decoration: none;
}

.teach-btn {
  padding: 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #373737;
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
}

.teach-btn-wide {
  grid-column: 1 / -1;
}

.teach-store {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1f1f1f;
  padding: 4px 8px;
}

.teach-qrcode {
  padding: 8px;
  border-radius: 10px;
  background: #ffffff;
}

.teach-card-steps {
  padding-bottom: 30px;
}

.teach-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.teach-step-title {
  margin-bottom: 12px;
  padding: 10px 14px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0px;
  background: var(--qit-primary);
  color: #141414;
  font-size: 20px;
  font-weight: 700;
  text-align: left;
}

.teach-step-badge {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 40px;
  background: var(--qit-primary);
  color: #ffffff;
  font-size: 18px;
  line-height: 1;
}

.teach-step-text {
  color: #ffffff;
}

.teach-step-screen {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #d7d8df;
  background: #f6f7fb;
  position: relative;
}
.teach-step-screen img {
  display: block;
}
.teach-step-screen-install {
  background: linear-gradient(
    180deg,
    #ffffff 0%,
    #ffffff 62%,
    rgba(var(--qit-primary-rgb), 0.7) 100%
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.teach-install-logo {
  width: 158px;
}

.teach-install-text {
  color: #ffffff;
  font-size: 26px;
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.18);
}

.teach-step-screen-login {
  background: url(/images/qitkv_bg.png) center center/cover no-repeat;
}

.teach-step-screen-login::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.2);
}

.teach-login-brand,
.teach-login-modal {
  position: absolute;
  z-index: 1;
}

.teach-login-brand {
  left: 22px;
  bottom: 46px;
  width: 112px;
}

.teach-login-modal {
  top: 44px;
  left: 50%;
  width: 120px;
  padding: 16px 12px 14px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 24px rgba(46, 54, 88, 0.16);
  transform: translateX(-8%);
}

.teach-login-modal-title {
  margin-bottom: 18px;
  color: #797979;
  font-size: 14px;
  font-weight: 700;
}

.teach-login-input {
  height: 12px;
  margin-bottom: 10px;
  border-radius: 2px;
  background: #eef0f6;
}

.teach-login-input-short {
  width: 72%;
}

.teach-login-actions {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
}

.teach-login-actions span {
  width: 34px;
  height: 8px;
  border-radius: 99px;
  background: #ececf4;
}

.teach-note {
  margin: 54px 0 0;
  color: #5c6676;
  font-size: clamp(24px, 2vw, 30px);
  font-weight: 700;
  line-height: 1.45;
  text-align: center;
}
.qittitle p {
  margin: 0;
  color: #ffffff;
  font-size: clamp(24px, 2.4vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  text-shadow: -1px -1px 0 rgba(58, 58, 58, 0.9),
    1px -1px 0 rgba(58, 58, 58, 0.9), -1px 1px 0 rgba(58, 58, 58, 0.9),
    1px 1px 0 rgba(58, 58, 58, 0.9), 0 10px 18px rgba(0, 0, 0, 0.16);
}

.qitlogin {
  width: 100%;
  max-width: 540px;
  min-height: 500px;
  background: rgba(255, 255, 255, 0.96);
  -webkit-box-shadow: 0 20px 45px rgba(36, 44, 77, 0.18);
  -moz-box-shadow: 0 20px 45px rgba(36, 44, 77, 0.18);
  box-shadow: 0 20px 45px rgba(36, 44, 77, 0.18);
  overflow: hidden;
}

.qitlogin > div {
  display: none;
}

.qitlogin > .is-active {
  display: block;
}

.qit-formhead {
  padding: 18px 28px 20px;
  border-bottom: 4px solid var(--qit-primary);
  text-align: center;
}

.qit-formhead h2 {
  margin: 0;
  color: #353535;
  font-size: clamp(28px, 2vw, 42px);
  font-weight: 700;
  line-height: 1.2;
}

.qit-formbody {
  padding: 22px 12px 20px;
}
.qit-formbody p {
  color: #3e3e3e;
  font-size: clamp(18px, 1.3vw, 22px);
  font-weight: 700;
  margin-bottom: 12px;
}
.qit-field {
  margin-bottom: 14px;
}

.qit-field input {
  width: 100%;
  height: 46px;
  padding: 0 14px;
  border: 1px solid #d0d3da;
  border-radius: 4px;
  background: #ffffff;
  color: #333333;
  font-size: 16px;
  outline: none;
  -webkit-transition: border-color 0.2s, -webkit-box-shadow 0.2s;
  transition: border-color 0.2s, -webkit-box-shadow 0.2s;
  -o-transition: border-color 0.2s, box-shadow 0.2s;
  -moz-transition: border-color 0.2s, box-shadow 0.2s, -moz-box-shadow 0.2s;
  transition: border-color 0.2s, box-shadow 0.2s;
  transition: border-color 0.2s, box-shadow 0.2s, -webkit-box-shadow 0.2s,
    -moz-box-shadow 0.2s;
}

.qit-field input:focus {
  border-color: var(--qit-primary);
  -webkit-box-shadow: 0 0 0 3px rgba(var(--qit-primary-rgb), 0.12);
  -moz-box-shadow: 0 0 0 3px rgba(var(--qit-primary-rgb), 0.12);
  box-shadow: 0 0 0 3px rgba(var(--qit-primary-rgb), 0.12);
}

.qit-field input::placeholder {
  color: #9b9b9b;
}

.qit-captcha {
  margin-bottom: 16px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 128px 52px 52px;
  gap: 10px;
  align-items: center;
}

.qit-captcha .qit-field {
  margin-bottom: 0;
}

.qit-captcha-code {
  position: relative;
  height: 46px;
  border-radius: 4px;
  border: 1px solid #ececf3;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.98),
    rgba(243, 246, 251, 0.9)
  );
  overflow: hidden;
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -moz-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.qit-captcha-code::before,
.qit-captcha-code::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.qit-captcha-code::before {
  background: repeating-linear-gradient(
      108deg,
      transparent 0 8px,
      rgba(56, 56, 56, 0.14) 8px 9px,
      transparent 9px 18px
    ),
    repeating-linear-gradient(
      166deg,
      transparent 0 11px,
      rgba(87, 95, 255, 0.18) 11px 12px,
      transparent 12px 22px
    );
}

.qit-captcha-code::after {
  background: radial-gradient(
      circle at 20% 30%,
      rgba(40, 68, 255, 0.34) 0 1px,
      transparent 1px 100%
    ),
    radial-gradient(
      circle at 70% 65%,
      rgba(28, 28, 28, 0.3) 0 1px,
      transparent 1px 100%
    ),
    radial-gradient(
      circle at 52% 40%,
      rgba(130, 130, 130, 0.25) 0 1px,
      transparent 1px 100%
    );
  background-size: 24px 18px, 26px 20px, 20px 16px;
}

.qit-captcha-code span {
  position: relative;
  z-index: 1;
  color: #1d33ff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.qit-captcha-action {
  width: 52px;
  height: 46px;
  padding: 0;
  border: 1px solid #ececf3;
  border-radius: 4px;

  color: #2f2f2f;
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -moz-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  cursor: pointer;
  -webkit-transition: border-color 0.2s ease, color 0.2s ease,
    background-color 0.2s ease;
  -moz-transition: border-color 0.2s ease, color 0.2s ease,
    background-color 0.2s ease;
  transition: border-color 0.2s ease, color 0.2s ease,
    background-color 0.2s ease;
}

.qit-captcha-action:hover,
.qit-captcha-action:focus-visible {
  border-color: rgba(var(--qit-primary-rgb), 0.35);
  color: var(--qit-primary);
  background: rgba(var(--qit-primary-rgb), 0.05);
  outline: none;
}

.qit-captcha-audio svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.qit-captcha-refresh {
  background: transparent;
  font-size: 34px;
  line-height: 1;
}

.qit-check {
  margin-bottom: 8px;
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
  -webkit-align-items: flex-start;
  -moz-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  gap: 8px;
  color: #444444;
  font-size: 15px;
  line-height: 1.45;
}

.qit-check input {
  -webkit-box-flex: 0;
  -webkit-flex: 0 0 18px;
  -moz-box-flex: 0;
  -ms-flex: 0 0 18px;
  flex: 0 0 18px;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border: 1px solid var(--qit-primary);
  border-radius: 3px;
  background-color: #ffffff;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 12px 12px;
  accent-color: var(--qit-primary);
}

.qit-check input:checked {
  background-color: var(--qit-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5 6.5 11.5 12.5 4.5' fill='none' stroke='white' stroke-linecap='round' stroke-linejoin='round' stroke-width='2'/%3E%3C/svg%3E");
}

.qit-check a {
  color: #ea5a4d;
  text-decoration: underline;
}

.qit-label {
  margin-bottom: 10px;
  display: block;
  color: #414141;
  font-size: 17px;
  font-weight: 500;
}

.qit-submit {
  width: 100%;
  margin-top: 16px;
  height: 40px;
  border-radius: 4px;
  background: var(--qit-primary);
  color: #ffffff;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  -webkit-transition: -webkit-filter 0.2s;
  transition: -webkit-filter 0.2s;
  -o-transition: filter 0.2s;
  -moz-transition: filter 0.2s;
  transition: filter 0.2s;
  transition: filter 0.2s, -webkit-filter 0.2s;
}

.qit-submit:hover {
  -webkit-filter: brightness(1.05);
  filter: brightness(1.05);
}

.step2 .qit-formbody {
  padding-top: 28px;
}

@media (max-width: 1200px) {
  .qitkv {
    padding-right: 32px;
    padding-left: 32px;
    gap: 32px;
  }

  .qittitle {
    max-width: 620px;
  }

  .qitlogin {
    max-width: 480px;
    min-height: 460px;
  }

  .teaching {
    padding-bottom: 56px;
  }

  .teach-card {
    padding: 28px 26px 30px;
  }

  .teach-download {
    grid-template-columns: minmax(0, 1fr) 128px;
  }

  .teach-btn {
    font-size: 16px;
  }
}

@media (max-width: 1024px) {
  .floatmenu {
    justify-content: space-between;
    align-items: stretch;
  }

  .floatmenu a,
  .floatmenu button {
    flex: 1 1 0;
    width: 33.333%;
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .qitkv {
    min-height: auto;
    padding: 56px 24px 64px;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -moz-box-orient: vertical;
    -moz-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: start;
    -webkit-align-items: flex-start;
    -moz-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
  }

  .qittitle {
    max-width: 100%;
  }

  .qitlogo {
    max-width: 520px;
    margin-bottom: 24px;
  }

  .qitlogin {
    max-width: 100%;
    min-height: 420px;
  }

  .teach-grid {
    grid-template-columns: 1fr;
  }

  .teach-download {
    grid-template-columns: 1fr;
  }

  .teach-qrcode {
    width: 160px;
    margin: 0 auto;
  }

  .teach-steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .qitkv {
    padding: 40px 16px 48px;
    gap: 24px;
    background-position: 36% center;
  }

  .qitlogo {
    max-width: 280px;
    margin-bottom: 20px;
  }

  .qittitle h1 {
    margin-bottom: 12px;
    font-size: clamp(32px, 10vw, 48px);
  }

  .qittitle p {
    font-size: clamp(20px, 6.3vw, 30px);
    line-height: 1.35;
  }

  .qitlogin {
    min-height: 360px;
  }

  .qit-formhead {
    padding: 16px 16px 18px;
  }

  .qit-formbody {
    padding-right: 12px;
    padding-left: 12px;
  }

  .qit-captcha {
    grid-template-columns: minmax(0, 1fr) 112px 44px 44px;
    gap: 8px;
  }

  .qit-captcha-code span {
    font-size: 20px;
  }

  .qit-captcha-action {
    width: 44px;
  }

  .qit-captcha-audio svg {
    width: 20px;
    height: 20px;
  }

  .qit-captcha-refresh {
    font-size: 30px;
  }

  .qit-check {
    font-size: 14px;
  }

  .teaching {
    padding-bottom: 44px;
  }

  .teach-grid {
    gap: 18px;
    margin-bottom: 18px;
  }

  .teach-card {
    padding: 22px 18px 24px;
    border-radius: 14px;
  }

  .teach-heading {
    gap: 12px;
    margin-bottom: 18px;
  }

  .teach-heading-bar {
    width: 4px;
    height: 28px;
  }

  .teach-copy {
    font-size: 17px;
  }

  .teach-download-actions {
    grid-template-columns: 1fr;
  }

  .teach-download-actions > :nth-child(1) {
    order: 1;
  }

  .teach-download-actions > :nth-child(2) {
    order: 2;
  }

  .teach-download-actions > :nth-child(3) {
    order: 4;
  }

  .teach-download-actions > :nth-child(5) {
    order: 5;
  }

  .teach-download-actions > :nth-child(4) {
    order: 3;
  }

  .teach-btn-wide {
    grid-column: auto;
  }

  .teach-btn,
  .teach-store {
    min-height: 48px;
  }

  .teach-step-title {
    font-size: 24px;
    gap: 10px;
    padding: 8px 12px;
  }

  .teach-step-badge {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
    font-size: 16px;
  }

  .teach-install-logo {
    width: 132px;
  }

  .teach-install-text {
    font-size: 22px;
  }

  .teach-login-brand {
    width: 92px;
    left: 14px;
    bottom: 34px;
  }

  .teach-login-modal {
    top: 26px;
    width: 106px;
    transform: translateX(-2%);
  }

  .teach-note {
    margin-top: 34px;
    font-size: 22px;
  }
}
