:root {
  --dk-primary: #0b63f6;
  --dk-primary-dark: #061b3a;
  --dk-primary-soft: #eef5ff;
  --dk-text: #0b1f3a;
  --dk-muted: #637089;
  --dk-border: #e5edf7;
  --dk-bg: #f6f9ff;
  --dk-orange: #ff7a1a;
}

.dktic-static-page,
.dktic-static-page * {
  box-sizing: border-box;
}

.dktic-static-page {
  overflow-x: hidden;
  background: linear-gradient(180deg, #f7fbff 0%, #ffffff 260px);
  color: var(--dk-text);
  font-family: inherit;
}

.dktic-static-page img {
  display: block;
  max-width: 100%;
  height: auto;
}

.dktic-page-container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.dktic-hero-wrap {
  padding-top: 28px;
}

.dktic-subpage-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-radius: 6px;
  background-color: var(--dk-primary-dark);
  background-image: linear-gradient(90deg, rgba(4, 19, 47, .88) 0%, rgba(6, 27, 58, .68) 40%, rgba(6, 27, 58, .08) 72%), var(--dktic-hero-image);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  box-shadow: 0 22px 60px rgba(11, 31, 58, .16);
}

.dktic-subpage-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 20%, rgba(74, 142, 255, .18), transparent 34%);
  pointer-events: none;
}

.dktic-hero-light {
  background-image: linear-gradient(90deg, rgba(11, 99, 246, .94) 0%, rgba(11, 99, 246, .62) 40%, rgba(255, 255, 255, .08) 72%), var(--dktic-hero-image);
}

.dktic-hero-content {
  position: relative;
  z-index: 1;
  width: min(600px, 92%);
  padding: 58px 70px;
  color: #fff;
}

.dktic-hero-kicker {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 12px;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  color: rgba(255, 255, 255, .86);
  font-size: 13px;
  font-weight: 700;
}

.dktic-subpage-hero h1,
.dktic-subpage-hero h2,
.dktic-subpage-hero p {
  margin: 0;
  color: #fff;
}

.dktic-subpage-hero h1 {
  font-size: 52px;
  line-height: 1.1;
  font-weight: 900;
}

.dktic-subpage-hero h2 {
  margin-top: 16px;
  font-size: 28px;
  line-height: 1.35;
  font-weight: 800;
}

.dktic-subpage-hero p {
  margin-top: 16px;
  color: rgba(255, 255, 255, .88);
  font-size: 17px;
  line-height: 1.8;
}

.dktic-primary-btn,
.dktic-secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 26px;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease, background-color .2s ease;
}

.dktic-primary-btn {
  margin-top: 28px;
  background: var(--dk-primary);
  color: #fff;
  box-shadow: 0 14px 30px rgba(11, 99, 246, .28);
}

.dktic-primary-btn:visited,
.dktic-primary-btn:hover,
.dktic-primary-btn:focus {
  color: #fff;
}

.dktic-primary-btn:hover,
.dktic-secondary-btn:hover {
  transform: translateY(-2px);
}

.dktic-secondary-btn {
  margin-top: 28px;
  border: 1px solid rgba(11, 99, 246, .22);
  background: #fff;
  color: var(--dk-primary);
}

.dktic-secondary-btn:hover,
.dktic-secondary-btn:focus,
.dktic-secondary-btn:visited {
  color: var(--dk-primary);
}

.dktic-section {
  padding: 66px 0;
}

.dktic-section-soft {
  background: linear-gradient(180deg, rgba(245, 248, 255, .88), rgba(255, 255, 255, .92));
}

.dktic-section-last {
  padding-top: 20px;
  padding-bottom: 72px;
}

.dktic-section-heading {
  max-width: 740px;
  margin: 0 auto 34px;
  text-align: center;
}

.dktic-section-heading-left {
  margin-right: 0;
  margin-left: 0;
  text-align: left;
}

.dktic-section-heading h2 {
  margin: 0;
  color: var(--dk-text);
  font-size: 30px;
  line-height: 1.25;
  font-weight: 900;
}

.dktic-section-heading p {
  margin: 12px 0 0;
  color: var(--dk-muted);
  font-size: 15px;
  line-height: 1.8;
}

.dktic-card-grid-5 {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
}

.dktic-info-card {
  min-height: 184px;
  padding: 26px 20px 24px;
  border: 1px solid var(--dk-border);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(11, 31, 58, .06);
  text-align: center;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}

.dktic-info-card:hover {
  transform: translateY(-4px);
  border-color: rgba(11, 99, 246, .26);
  box-shadow: 0 18px 42px rgba(11, 31, 58, .1);
}

.dktic-icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(11, 99, 246, .12), rgba(11, 99, 246, .04));
  color: var(--dk-primary);
  font-size: 22px;
}

.dktic-info-card h3 {
  margin: 0;
  color: var(--dk-text);
  font-size: 17px;
  line-height: 1.35;
  font-weight: 900;
}

.dktic-info-card p {
  margin: 12px 0 0;
  color: var(--dk-muted);
  font-size: 14px;
  line-height: 1.75;
}

.dktic-process-card {
  padding: 42px 42px 38px;
  border: 1px solid rgba(211, 226, 246, .9);
  border-radius: 20px;
  background: linear-gradient(135deg, #eef6ff 0%, #f8fbff 100%);
  box-shadow: 0 18px 50px rgba(11, 31, 58, .06);
}

.dktic-process-card .dktic-section-heading {
  margin-bottom: 30px;
}

.dktic-process-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 22px;
}

.dktic-process-step {
  position: relative;
  text-align: center;
}

.dktic-process-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 24px;
  left: calc(50% + 34px);
  width: calc(100% - 46px);
  height: 2px;
  background: linear-gradient(90deg, rgba(11, 99, 246, .28), rgba(11, 99, 246, .08));
}

.dktic-step-number {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 5px solid #e6f1ff;
  border-radius: 999px;
  background: var(--dk-primary);
  color: #fff;
  font-size: 17px;
  font-weight: 900;
}

.dktic-process-step h3 {
  margin: 18px 0 0;
  color: var(--dk-text);
  font-size: 17px;
  font-weight: 900;
}

.dktic-process-step p {
  margin: 10px 0 0;
  color: var(--dk-muted);
  font-size: 14px;
  line-height: 1.75;
}

.dktic-split,
.dktic-learning-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
  gap: 42px;
  align-items: center;
}

.dktic-split-balanced {
  align-items: stretch;
}

.dktic-check-list {
  display: grid;
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.dktic-check-list li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  align-items: flex-start;
  color: var(--dk-text);
  font-size: 15px;
  line-height: 1.8;
}

.dktic-check-list i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  border-radius: 999px;
  background: rgba(11, 99, 246, .1);
  color: var(--dk-primary);
  font-size: 12px;
}

.dktic-image-card,
.dktic-portrait-card {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--dk-border);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(11, 31, 58, .08);
}

.dktic-image-card img {
  width: 100%;
  aspect-ratio: 4 / 2.45;
  object-fit: cover;
}

.dktic-teacher-showcase {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(0, 1fr);
  gap: 22px;
  align-items: stretch;
}

.dktic-portrait-card img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  object-position: center top;
}

.dktic-quote-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 300px;
  padding: 34px 30px;
  margin: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, #0b63f6 0%, #0745c6 100%);
  color: #fff;
  box-shadow: 0 18px 46px rgba(11, 99, 246, .22);
}

.dktic-quote-card i {
  margin-bottom: 18px;
  color: rgba(255, 255, 255, .62);
  font-size: 30px;
}

.dktic-quote-card p {
  margin: 0;
  font-size: 20px;
  line-height: 1.85;
  font-weight: 800;
}

.dktic-quote-card cite {
  display: block;
  margin-top: 22px;
  color: rgba(255, 255, 255, .82);
  font-size: 14px;
  font-style: normal;
  line-height: 1.8;
}

.dktic-point-list,
.dktic-tip-panel {
  border: 1px solid var(--dk-border);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 14px 38px rgba(11, 31, 58, .06);
}

.dktic-point-list {
  padding: 8px 28px;
}

.dktic-point-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  border-bottom: 1px solid var(--dk-border);
}

.dktic-point-item:last-child {
  border-bottom: 0;
}

.dktic-point-item > span,
.dktic-tip-panel article > i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: rgba(11, 99, 246, .1);
  color: var(--dk-primary);
  font-size: 15px;
}

.dktic-point-item h3,
.dktic-tip-panel h3 {
  margin: 0;
  color: var(--dk-text);
  font-size: 16px;
  font-weight: 900;
}

.dktic-point-item p,
.dktic-tip-panel p {
  margin: 7px 0 0;
  color: var(--dk-muted);
  font-size: 14px;
  line-height: 1.7;
}

.dktic-tip-panel {
  align-self: stretch;
  padding: 28px;
}

.dktic-tip-panel > h2 {
  margin: 0 0 20px;
  color: var(--dk-text);
  font-size: 22px;
  font-weight: 900;
}

.dktic-tip-panel article {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 13px;
  padding: 16px 0;
  border-top: 1px solid var(--dk-border);
}

.dktic-faq-list {
  display: grid;
  gap: 12px;
}

.dktic-faq-item {
  overflow: hidden;
  border: 1px solid var(--dk-border);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(11, 31, 58, .05);
}

.dktic-faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 58px;
  padding: 0 22px;
  border: 0;
  background: #fff;
  color: var(--dk-text);
  cursor: pointer;
  font: inherit;
  font-size: 15px;
  font-weight: 800;
  text-align: left;
}

.dktic-faq-question:hover,
.dktic-faq-question:focus {
  color: var(--dk-primary);
  background: #fff;
  outline: none;
}

.dktic-faq-question i {
  flex: 0 0 auto;
  margin-left: 18px;
  color: var(--dk-primary);
  transition: transform .22s ease;
}

.dktic-faq-answer {
  display: none;
  padding: 0 22px 20px;
  color: var(--dk-muted);
  font-size: 14px;
  line-height: 1.85;
}

.dktic-faq-answer p {
  margin: 0;
}

.dktic-faq-item.is-open .dktic-faq-answer {
  display: block;
}

.dktic-faq-item.is-open .dktic-faq-question i {
  transform: rotate(180deg);
}

.dktic-logo-wall {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.dktic-logo-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 92px;
  padding: 16px 12px;
  border: 1px solid var(--dk-border);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(11, 31, 58, .05);
  text-align: center;
}

.dktic-logo-card strong {
  color: #16345c;
  font-size: 24px;
  line-height: 1.1;
  font-weight: 900;
}

.dktic-logo-card span {
  margin-top: 8px;
  color: var(--dk-muted);
  font-size: 13px;
}

.dktic-cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 34px 42px;
  border: 1px solid #dcecff;
  border-radius: 18px;
  background: linear-gradient(135deg, #eef6ff 0%, #f7fbff 100%);
  box-shadow: 0 18px 46px rgba(11, 31, 58, .06);
}

.dktic-cta-panel h2 {
  margin: 0;
  color: var(--dk-text);
  font-size: 28px;
  line-height: 1.25;
  font-weight: 900;
}

.dktic-cta-panel p {
  margin: 10px 0 0;
  color: var(--dk-muted);
  line-height: 1.75;
}

.dktic-cta-panel .dktic-primary-btn,
.dktic-cta-panel .dktic-secondary-btn {
  margin-top: 0;
  white-space: nowrap;
}

.dktic-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.dktic-contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 20px;
  color: var(--dk-text);
  font-size: 14px;
}

.dktic-contact-row span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.dktic-contact-link,
.dktic-wechat-hover {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(11, 99, 246, .14);
  border-radius: 8px;
  background: rgba(255, 255, 255, .72);
  color: var(--dk-text);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.dktic-contact-link:hover,
.dktic-contact-link:focus,
.dktic-contact-link:visited,
.dktic-wechat-hover:hover,
.dktic-wechat-hover:focus {
  border-color: rgba(11, 99, 246, .32);
  background: #fff;
  color: var(--dk-primary);
  outline: none;
}

.dktic-contact-row i {
  color: var(--dk-primary);
}

.dktic-wechat-popover {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 12px);
  z-index: 5;
  width: 152px;
  padding: 10px;
  border: 1px solid var(--dk-border);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 18px 44px rgba(11, 31, 58, .16);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 8px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}

.dktic-wechat-popover::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 12px;
  height: 12px;
  border-right: 1px solid var(--dk-border);
  border-bottom: 1px solid var(--dk-border);
  background: #fff;
  transform: translateX(-50%) rotate(45deg);
}

.dktic-wechat-popover img {
  width: 132px;
  height: 132px;
  border-radius: 8px;
  object-fit: cover;
}

.dktic-wechat-popover em {
  display: block;
  margin-top: 8px;
  color: var(--dk-muted);
  font-size: 12px;
  font-style: normal;
  line-height: 1.45;
  text-align: center;
}

.dktic-wechat-hover:hover .dktic-wechat-popover,
.dktic-wechat-hover:focus .dktic-wechat-popover,
.dktic-wechat-hover:focus-within .dktic-wechat-popover {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

@media (max-width: 1120px) {
  .dktic-card-grid-5 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .dktic-process-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .dktic-process-step::after {
    display: none;
  }

  .dktic-logo-wall {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .dktic-split,
  .dktic-learning-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .dktic-page-container {
    width: min(100% - 28px, 1200px);
  }

  .dktic-hero-wrap {
    padding-top: 16px;
  }

  .dktic-subpage-hero {
    min-height: 360px;
    border-radius: 0 0 16px 16px;
    background-position: center right;
  }

  .dktic-hero-content {
    width: 100%;
    padding: 44px 26px;
  }

  .dktic-subpage-hero h1 {
    font-size: 38px;
  }

  .dktic-subpage-hero h2 {
    font-size: 22px;
  }

  .dktic-subpage-hero p {
    font-size: 15px;
  }

  .dktic-section {
    padding: 46px 0;
  }

  .dktic-section-last {
    padding-top: 8px;
    padding-bottom: 52px;
  }

  .dktic-section-heading {
    margin-bottom: 24px;
  }

  .dktic-section-heading h2,
  .dktic-cta-panel h2 {
    font-size: 24px;
  }

  .dktic-card-grid-5,
  .dktic-process-steps,
  .dktic-logo-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dktic-process-card,
  .dktic-cta-panel {
    padding: 28px 20px;
  }

  .dktic-teacher-showcase {
    grid-template-columns: 1fr;
  }

  .dktic-cta-panel {
    align-items: flex-start;
    flex-direction: column;
  }

  .dktic-cta-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .dktic-subpage-hero {
    min-height: 340px;
  }

  .dktic-card-grid-5,
  .dktic-process-steps,
  .dktic-logo-wall {
    grid-template-columns: 1fr;
  }

  .dktic-info-card {
    min-height: auto;
  }

  .dktic-primary-btn,
  .dktic-secondary-btn {
    width: 100%;
  }

  .dktic-point-list,
  .dktic-tip-panel {
    padding-right: 18px;
    padding-left: 18px;
  }

  .dktic-contact-row {
    flex-direction: column;
    gap: 10px;
  }
}