.xxh-landing {
  text-align: center;
  padding: 3rem 2rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.xxh-landing h1 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #6366f1, #a78bfa, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.xxh-landing p {
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto 1rem;
}

.xxh-privacy {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5) !important;
  margin-top: 1.5rem !important;
}

.xxh-privacy::before {
  content: '🔒 ';
}

.xxh-start-btn {
  margin-top: 2rem;
  padding: 1rem 3rem;
  font-size: 1.1rem;
  border-radius: 50px;
}

.xxh-quiz {
  max-width: 720px;
  margin: 0 auto;
}

.xxh-quiz-header {
  position: sticky;
  top: 70px;
  z-index: 10;
  background: rgba(11, 19, 37, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1rem 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.xxh-round-label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.6rem;
}

.xxh-progress-wrap {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.4rem;
}

.xxh-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #a78bfa);
  border-radius: 3px;
  width: 0%;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.xxh-progress-text {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  text-align: right;
}

.xxh-section {
  margin-bottom: 2rem;
}

.xxh-section-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.xxh-module {
  margin-bottom: 1.5rem;
}

.xxh-module-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.8rem;
  opacity: 0.85;
}

.xxh-question {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  margin-bottom: 0.8rem;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.xxh-question:hover {
  border-color: rgba(99, 102, 241, 0.25);
}

.xxh-question.xxh-invalid {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.06);
}

.xxh-q-text {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.7rem;
  line-height: 1.6;
}

.xxh-options {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.xxh-option {
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.xxh-option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.xxh-option-label {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 20px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  background: transparent;
  transition: all 0.25s ease;
}

.xxh-option input:checked + .xxh-option-label {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.xxh-option-label:hover {
  border-color: rgba(99, 102, 241, 0.5);
  color: rgba(255, 255, 255, 0.9);
}

.xxh-input {
  width: 100%;
  padding: 0.6rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.xxh-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.xxh-input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.xxh-input-num {
  width: 120px;
}

.xxh-num100 {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.xxh-num100-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.xxh-num100-label {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
  white-space: nowrap;
}

.xxh-num100-unit {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

.xxh-num100-sep {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.25);
  font-weight: 300;
}

.xxh-error {
  font-size: 0.78rem;
  color: #ef4444;
  margin-top: 0.4rem;
  min-height: 0;
}

.xxh-submit-wrap {
  text-align: center;
  margin-top: 2rem;
  padding-bottom: 2rem;
}

.xxh-submit-btn {
  padding: 0.9rem 3rem;
  font-size: 1rem;
  border-radius: 50px;
}

.xxh-transition {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(11, 19, 37, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: none;
  align-items: center;
  justify-content: center;
}

.xxh-transition-content {
  text-align: center;
  padding: 2rem;
  max-width: 420px;
}

.xxh-transition-icon {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  display: block;
}

.xxh-transition-msg {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.xxh-ready-btn {
  padding: 0.9rem 3rem;
  font-size: 1rem;
  border-radius: 50px;
}

.xxh-results {
  max-width: 720px;
  margin: 0 auto;
}

.xxh-result-hero {
  text-align: center;
  padding: 2.5rem 2rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.xxh-result-hero h2 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.xxh-score-circle {
  position: relative;
  width: 160px;
  height: 160px;
  margin: 0 auto;
}

.xxh-score-circle svg {
  width: 100%;
  height: 100%;
}

.xxh-score-ring {
  transition: stroke-dashoffset 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.xxh-score-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: baseline;
  justify-content: center;
  padding-top: 50%;
  transform: translateY(-25%);
}

.xxh-score-num {
  font-size: 2.8rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.xxh-score-max {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.45);
  margin-left: 2px;
}

.xxh-dim-scores {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.xxh-dim-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
}

.xxh-dim-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.xxh-dim-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}

.xxh-dim-score {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
}

.xxh-dim-score small {
  font-weight: 400;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
}

.xxh-dim-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  overflow: hidden;
}

.xxh-dim-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), #a78bfa);
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.xxh-detail-section {
  margin-bottom: 2rem;
}

.xxh-detail-section h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1rem;
}

.xxh-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
}

.xxh-detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
}

.xxh-detail-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

.xxh-detail-score {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
}

.xxh-detail-score small {
  font-weight: 400;
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.78rem;
}

.xxh-suggestions {
  margin-bottom: 2rem;
}

.xxh-suggestions h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1rem;
}

.xxh-suggestion-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 1.2rem;
  margin-bottom: 1rem;
}

.xxh-suggestion-header {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0.8rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.xxh-suggestion-tips {
  list-style: none;
  padding: 0;
}

.xxh-suggestion-tips li {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  padding: 0.3rem 0;
  padding-left: 1.2rem;
  position: relative;
}

.xxh-suggestion-tips li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary);
  opacity: 0.7;
}

.xxh-retry-wrap {
  text-align: center;
  padding: 1rem 0 3rem;
}

.xxh-retry-btn {
  padding: 0.8rem 2.5rem;
  border-radius: 50px;
}

@media (max-width: 900px) {
  .xxh-quiz-header {
    top: 56px;
  }

  .xxh-detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 540px) {
  .xxh-landing {
    padding: 2rem 1rem;
  }

  .xxh-question {
    padding: 0.8rem;
  }

  .xxh-options {
    flex-direction: column;
  }

  .xxh-option-label {
    display: block;
    text-align: center;
    padding: 0.6rem 1rem;
  }

  .xxh-num100 {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .xxh-num100-item {
    width: 100%;
  }

  .xxh-num100-item .xxh-input {
    flex: 1;
  }

  .xxh-input-num {
    width: 100%;
  }

  .xxh-score-circle {
    width: 140px;
    height: 140px;
  }

  .xxh-score-num {
    font-size: 2.2rem;
  }
}