.mk-page {
  min-height: 100vh;
  font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  background: #0a0f1a;
}

.mk-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 15, 26, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.mk-header__inner {
  max-width: 72rem;
  margin: 0 auto;
  display: flex;
  height: 3.5rem;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .mk-header__inner {
    padding: 0 1.5rem;
  }
}

.mk-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  transition: opacity 0.2s;
}

.mk-logo:hover {
  opacity: 0.85;
}

.mk-logo__dot {
  height: 0.5rem;
  width: 0.5rem;
  border-radius: 9999px;
  background: linear-gradient(135deg, #60a5fa, #3b82f6);
  box-shadow: 0 0 12px rgba(96, 165, 250, 0.5);
}

.mk-back {
  font-size: 0.875rem;
  font-weight: 500;
  color: #93c5fd;
  text-decoration: none;
  transition: color 0.2s;
}

.mk-back:hover {
  color: #bfdbfe;
}

.mk-hero {
  position: relative;
  min-height: 42vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem 4rem;
}

.mk-hero__gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 20%, rgba(59, 130, 246, 0.18), transparent 55%),
    linear-gradient(180deg, #0a0f1a 0%, #0f172a 45%, #111c2e 100%);
  pointer-events: none;
}

.mk-hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 48rem;
}

.mk-hero__glass {
  border-radius: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1.75rem 1.5rem;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

@media (min-width: 640px) {
  .mk-hero__glass {
    padding: 2.25rem 2.5rem;
  }
}

.mk-eyebrow {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #93c5fd;
  margin: 0;
}

.mk-title {
  margin: 0.75rem 0 0;
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: #f8fafc;
}

@media (min-width: 640px) {
  .mk-title {
    font-size: 2.25rem;
  }
}

.mk-title__accent {
  background: linear-gradient(120deg, #93c5fd, #60a5fa, #38bdf8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.mk-lead {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: rgba(226, 232, 240, 0.78);
}

.mk-lead__sep {
  margin: 0 0.35rem;
  opacity: 0.4;
}

.mk-body {
  position: relative;
  z-index: 10;
  margin-top: -2rem;
  border-radius: 1.75rem 1.75rem 0 0;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  box-shadow: 0 -24px 64px rgba(0, 0, 0, 0.2);
}

.mk-main {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2.5rem 1rem 3rem;
}

@media (min-width: 640px) {
  .mk-main {
    padding: 3rem 1.5rem 4rem;
  }
}

.mk-section {
  margin-bottom: 3.5rem;
}

.mk-section__head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.mk-section__bar {
  width: 0.25rem;
  height: 2.5rem;
  border-radius: 9999px;
  background: linear-gradient(180deg, #3b82f6, #2563eb);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.mk-section__title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.02em;
}

.mk-section__sub {
  margin: 0.25rem 0 0;
  font-size: 0.8125rem;
  color: #64748b;
}

.mk-grid {
  display: grid;
  gap: 1rem;
}

.mk-grid--2 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .mk-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.mk-grid--3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .mk-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mk-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mk-card {
  border-radius: 1rem;
  border: 1px solid rgba(226, 232, 240, 0.95);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  padding: 1.25rem 1.35rem;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.mk-card--hover:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(37, 99, 235, 0.1);
  border-color: rgba(147, 197, 253, 0.65);
}

.mk-card__icon {
  display: flex;
  height: 2.5rem;
  width: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  color: #2563eb;
  font-size: 1rem;
}

.mk-card__title {
  margin: 0.75rem 0 0;
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
}

.mk-card__title--lg {
  margin-top: 0;
  font-size: 1.0625rem;
}

.mk-card__text {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: #475569;
}

.mk-card--row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .mk-card--row {
    flex-direction: row;
    align-items: flex-start;
  }
}

.mk-num {
  flex-shrink: 0;
  display: flex;
  height: 3rem;
  width: 3rem;
  align-items: center;
  justify-content: center;
  border-radius: 1rem;
  background: linear-gradient(145deg, #1e293b, #0f172a);
  font-size: 1.125rem;
  font-weight: 800;
  color: #f8fafc;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.25);
}

.mk-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.mk-tags li {
  border-radius: 9999px;
  background: #f1f5f9;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #475569;
}

.mk-card--accent {
  border-color: rgba(191, 219, 254, 0.8);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.98), rgba(239, 246, 255, 0.85));
}

.mk-tag {
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #2563eb;
}

.mk-badge {
  margin: 0.35rem 0 0;
  font-size: 0.6875rem;
  font-weight: 700;
  color: #3b82f6;
}

.mk-bullets {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.75rem;
  color: #64748b;
}

.mk-bullets li {
  position: relative;
  padding-left: 0.75rem;
  margin-bottom: 0.25rem;
}

.mk-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.25rem;
  height: 0.25rem;
  border-radius: 9999px;
  background: #93c5fd;
}

.mk-highlight {
  margin-bottom: 3.5rem;
  border-radius: 1.25rem;
  padding: 1px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.35), rgba(147, 197, 253, 0.2));
}

.mk-highlight__inner {
  border-radius: 1.2rem;
  padding: 1.5rem 1.35rem;
  background: linear-gradient(145deg, #ffffff, #eff6ff);
}

@media (min-width: 640px) {
  .mk-highlight__inner {
    padding: 1.75rem 2rem;
  }
}

.mk-highlight__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 800;
  color: #0f172a;
}

.mk-highlight__text {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #334155;
}

.mk-footer {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #e2e8f0;
  text-align: center;
  font-size: 0.75rem;
  color: #64748b;
}

.mk-footer__link {
  color: #2563eb;
  text-decoration: none;
  font-weight: 500;
}

.mk-footer__link:hover {
  text-decoration: underline;
}

.mk-footer__sep {
  margin: 0 0.35rem;
  opacity: 0.5;
}