/* =====================================================================
   MIG-02 · 首页高保真样式（全部翻译自 apps/user-web 源 Vue 组件）
   6 组件: HeroSection / RulesSummary / TrackDetails /
           AwardsSection / NoticesSummary / ContactSection
   + 证书板块（目标项目保留内容）
   全嵌套于 .ui-v2 下
   ===================================================================== */

/* ================================================================
   HeroSection（源 HeroSection.vue）
   ================================================================ */

.ui-v2 .hero-section {
  position: relative;
  width: 100%;
  margin-top: 0;
  background-color: #000000;
  display: flex;
  justify-content: center;
  align-items: center;
}

.ui-v2 .robot-stage {
  position: relative;
  width: 90%;
  max-width: 1400px;
  display: flex;
  justify-content: center;
}

.ui-v2 .robot-layer {
  width: 100%;
  display: flex;
  justify-content: center;
  transform: translateX(-10%);
}

.ui-v2 .robot-img {
  width: 100%;
  max-width: 900px;
  height: auto;
  display: block;
}

.ui-v2 .base-layer {
  position: relative;
  z-index: 1;
}

.ui-v2 .thermal-layer {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 250ms ease;
  mask-image: radial-gradient(
    circle 130px at var(--mx, 50%) var(--my, 50%),
    black 0%,
    rgba(0, 0, 0, 0.4) 70%,
    transparent 100%
  );
  -webkit-mask-image: radial-gradient(
    circle 130px at var(--mx, 50%) var(--my, 50%),
    black 0%,
    rgba(0, 0, 0, 0.4) 70%,
    transparent 100%
  );
}

.ui-v2 .thermal-layer.active { opacity: 1; }

.ui-v2 .hero-actions-container {
  position: absolute;
  bottom: 4rem;
  right: 4rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  align-items: flex-end;
  pointer-events: auto;
}

@media (max-width: 768px) {
  .ui-v2 .hero-actions-container {
    right: 50%;
    transform: translateX(50%);
    align-items: center;
    bottom: 1rem;
    width: max-content;
  }
}

.ui-v2 .btn-hero-apply {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  padding: 0.75rem 2.25rem;
  font-size: 1rem;
  font-weight: 500;
  color: #ffffff;
  background: linear-gradient(90deg, #7ee8fa 0%, #e084d3 100%);
  border-radius: 9999px;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 6px 24px rgba(224, 132, 211, 0.45);
  transition: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ui-v2 .btn-hero-apply:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px 32px rgba(224, 132, 211, 0.65);
}

.ui-v2 .btn-hero-rules {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  padding: 0.75rem 2.25rem;
  font-size: 0.9375rem;
  font-weight: 400;
  color: #e4e4e7;
  background: rgba(35, 37, 48, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 9999px;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  transition: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ui-v2 .btn-hero-rules:hover {
  color: #ffffff;
  background: rgba(50, 53, 68, 0.95);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .ui-v2 .btn-hero-apply,
  .ui-v2 .btn-hero-rules {
    min-width: auto;
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
  }
  .ui-v2 .hero-actions-container { flex-direction: row; }
}

/* ================================================================
   RulesSummary（源 RulesSummary.vue）
   ================================================================ */

.ui-v2 .rules-summary-section {
  width: 85%;
  max-width: 1400px;
  margin: 4rem auto 6rem auto;
  color: #ffffff;
}

.ui-v2 .rules-header { text-align: center; margin-bottom: 2.5rem; }

.ui-v2 .rules-section-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #ffffff;
  margin: 0 0 1.25rem 0;
}

.ui-v2 .rules-section-subtitle {
  font-size: 0.9375rem;
  color: #d1d5db;
  line-height: 1.7;
  max-width: 860px;
  margin: 0 auto;
}

/* 3-Step Timeline Header Indicator */
.ui-v2 .timeline-indicator-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  margin-bottom: 2rem;
}

.ui-v2 .timeline-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  width: 100%;
  margin-bottom: 0.75rem;
}

@media (max-width: 768px) {
  .ui-v2 .timeline-steps-grid { grid-template-columns: 1fr; gap: 0.5rem; }
}

.ui-v2 .step-node {
  text-align: center;
  font-size: 0.875rem;
  color: #94a3b8;
  user-select: none;
  cursor: default;
}

.ui-v2 .timeline-glowing-line {
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(70, 200, 208, 0.2) 6%,
    #46c8d0 22%,
    #46c8d0 78%,
    rgba(70, 200, 208, 0.2) 94%,
    transparent 100%
  );
  border-radius: 9999px;
}

/* 3 Stage Switcher Cards */
.ui-v2 .stage-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 768px) { .ui-v2 .stage-cards-grid { grid-template-columns: 1fr; } }

.ui-v2 .stage-card-btn {
  padding: 1.25rem 1.5rem;
  font-size: 1.125rem;
  font-weight: 500;
  color: #a1a1aa;
  background: rgba(20, 23, 34, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  cursor: pointer;
  text-align: center;
  transition: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ui-v2 .stage-card-btn:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(30, 34, 50, 0.9);
}

.ui-v2 .stage-card-btn.active {
  color: #ffffff;
  font-weight: 600;
  background: linear-gradient(135deg, rgba(140, 50, 160, 0.45) 0%, rgba(20, 22, 35, 0.9) 100%);
  border: 1px solid rgba(224, 132, 211, 0.65);
  box-shadow:
    0 8px 24px rgba(140, 50, 160, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* Main Detail Board */
.ui-v2 .detail-board-container {
  background: rgba(12, 13, 18, 0.95);
  border: 1px solid rgba(224, 132, 211, 0.35);
  border-radius: 1.25rem;
  padding: 2.5rem 3rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

@media (max-width: 768px) {
  .ui-v2 .detail-board-container { padding: 1.5rem; gap: 2rem; }
}

.ui-v2 .board-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 768px) {
  .ui-v2 .board-row { grid-template-columns: 1fr; gap: 0.75rem; }
}

.ui-v2 .row-label {
  font-size: 1.0625rem;
  font-weight: 600;
  color: #ffffff;
  display: flex;
  align-items: center;
}

.ui-v2 .row-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ui-v2 .intro-heading {
  font-size: 0.9375rem;
  color: #e4e4e7;
  margin: 0 0 0.5rem 0;
}

.ui-v2 .sub-step-block {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.ui-v2 .sub-step-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #7ee8fa;
  margin: 0;
}

.ui-v2 .sub-step-desc {
  font-size: 0.875rem;
  color: #94a3b8;
  line-height: 1.6;
  margin: 0;
}

/* ================================================================
   TrackDetails（源 TrackDetails.vue）
   ================================================================ */

.ui-v2 .track-details-section {
  width: 90%;
  max-width: 1440px;
  margin: 5rem auto 7rem auto;
  color: #ffffff;
}

.ui-v2 .tracks-header { text-align: center; margin-bottom: 4rem; }

.ui-v2 .tracks-section-title {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #ffffff;
  margin: 0;
}

/* 2-Column Staggered Grid */
.ui-v2 .tracks-two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .ui-v2 .tracks-two-col-grid { grid-template-columns: 1fr; gap: 2rem; }
}

.ui-v2 .tracks-left-column {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-top: 3.5rem;
}

.ui-v2 .tracks-right-column {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-top: 0;
}

@media (max-width: 1024px) {
  .ui-v2 .tracks-left-column { margin-top: 0; }
}

/* Base Track Card */
.ui-v2 .track-card-v2 {
  position: relative;
  background: rgba(12, 13, 20, 0.92);
  border: 1.5px solid rgba(140, 50, 160, 0.35);
  border-radius: 1.5rem;
  padding: 2.25rem;
  overflow: hidden;
  cursor: pointer;
  transition: all 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ui-v2 .track-card-v2:hover {
  background: linear-gradient(135deg, rgba(140, 50, 160, 0.55) 0%, rgba(25, 75, 115, 0.6) 100%);
  border: 1.5px solid rgba(126, 232, 250, 0.7);
  box-shadow:
    0 16px 48px rgba(140, 50, 160, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  transform: translateY(-4px);
  overflow: visible;
}

.ui-v2 .track-card-v2:hover .card-illustration-v2 {
  width: 200px;
  height: 200px;
  right: -1.25rem;
  bottom: -1.25rem;
  opacity: 1;
  z-index: 10;
}

.ui-v2 .track-card-v2:hover .illustration-img-v2 {
  transform: scale(1.15) translateY(-4px);
  filter: drop-shadow(0 10px 24px rgba(126, 232, 250, 0.5));
}

/* Matrix Code Overlay */
.ui-v2 .matrix-rain-overlay {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(126, 232, 250, 0.05) 0%, transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
  pointer-events: none;
  opacity: 0.6;
}

/* Card Header Row */
.ui-v2 .card-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.ui-v2 .title-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.ui-v2 .track-title-v2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
  letter-spacing: 0.02em;
}

.ui-v2 .track-subtitle-v2 {
  font-size: 0.8125rem;
  color: #a1a1aa;
}

.ui-v2 .limit-tag {
  font-size: 0.8125rem;
  color: #a1a1aa;
  white-space: nowrap;
}

.ui-v2 .track-desc-v2 {
  font-size: 0.9375rem;
  color: #e4e4e7;
  line-height: 1.65;
  margin: 0 0 2rem 0;
  max-width: 76%;
}

/* Meta Data Items */
.ui-v2 .track-meta-block-v2 {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 65%;
}

.ui-v2 .meta-item-v2 {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.ui-v2 .meta-label-v2 {
  font-size: 0.71875rem;
  font-weight: 600;
  color: #71717a;
  letter-spacing: 0.08em;
}

.ui-v2 .meta-value-v2 {
  font-size: 0.875rem;
  color: #ffffff;
  font-weight: 500;
}

/* Card Illustration (Bottom Right) */
.ui-v2 .card-illustration-v2 {
  position: absolute;
  bottom: 0.75rem;
  right: 1rem;
  width: 150px;
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0.85;
  transition: all 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ui-v2 .illustration-img-v2 {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: all 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* 合作平台快捷入口 */
.ui-v2 .partners-block { margin-top: 4.5rem; }

.ui-v2 .partners-block-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 1.75rem 0;
  letter-spacing: 0.05em;
}

.ui-v2 .partners-grid-v2 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) { .ui-v2 .partners-grid-v2 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .ui-v2 .partners-grid-v2 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) {
  .ui-v2 .partners-grid-v2 { grid-template-columns: 1fr; gap: 1rem; }
  .ui-v2 .partner-card-v2 { height: 64px; gap: 0.5rem; }
  .ui-v2 .partner-img-v2 { height: 32px; }
  .ui-v2 .partners-block-title { font-size: 1.25rem; margin-bottom: 1.25rem; }
}

.ui-v2 .partner-card-v2 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.875rem;
  height: 84px;
  padding: 0 1.25rem;
  background: rgba(12, 13, 20, 0.9);
  border: 1.5px solid rgba(140, 60, 180, 0.35);
  border-radius: 1.25rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 8px 24px rgba(0, 0, 0, 0.5);
  transition: all 300ms ease;
  cursor: pointer;
}

.ui-v2 .partner-card-v2:hover {
  border-color: rgba(126, 232, 250, 0.7);
  background: rgba(20, 22, 35, 0.95);
  box-shadow: 0 12px 32px rgba(126, 232, 250, 0.25);
  transform: translateY(-4px);
}

.ui-v2 .partner-logo-svg {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ui-v2 .partner-name-v2 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #ffffff;
  white-space: nowrap;
}

/* ================================================================
   AwardsSection（源 AwardsSection.vue）
   ================================================================ */

.ui-v2 .awards-section-v2 {
  width: 85%;
  max-width: 1400px;
  margin: 6rem auto;
  color: #ffffff;
}

.ui-v2 .awards-header-v2 { text-align: center; margin-bottom: 4rem; }

.ui-v2 .awards-header-subtitle {
  display: block;
  font-size: 0.875rem;
  color: #a1a1aa;
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.ui-v2 .awards-header-main-title {
  font-size: 2.75rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.12em;
  margin: 0;
}

/* 4 Trophy Cards */
.ui-v2 .trophies-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  align-items: flex-end;
  margin-bottom: 5rem;
}

@media (max-width: 1024px) { .ui-v2 .trophies-grid { grid-template-columns: repeat(2, 1fr); gap: 3rem; } }
@media (max-width: 640px) { .ui-v2 .trophies-grid { grid-template-columns: 1fr; gap: 2.5rem; } }

.ui-v2 .trophy-card-v2 {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ui-v2 .trophy-card-v2:hover { transform: translateY(-8px); }

.ui-v2 .trophy-img-wrapper {
  width: 100%;
  max-width: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ui-v2 .trophy-img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: contain;
  filter: drop-shadow(0 12px 32px rgba(0, 0, 0, 0.6));
}

/* 4 Award Statistics */
.ui-v2 .award-stats-grid-v2 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  align-items: center;
}

@media (max-width: 1024px) { .ui-v2 .award-stats-grid-v2 { grid-template-columns: repeat(2, 1fr); gap: 2.5rem; } }
@media (max-width: 640px) { .ui-v2 .award-stats-grid-v2 { grid-template-columns: 1fr; gap: 2rem; } }

.ui-v2 .stat-item-v2 {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.ui-v2 .stat-num-wrapper {
  position: relative;
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ui-v2 .stat-num-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(212, 175, 55, 0.3));
}

.ui-v2 .stat-num-fallback {
  position: absolute;
  font-size: 3.5rem;
  font-weight: 800;
  color: #e5c158;
}

.ui-v2 .stat-num-fallback.visible { position: static; }

.ui-v2 .stat-desc-v2 {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #d1d5db;
  white-space: pre-line;
  margin: 0;
}

/* ================================================================
   NoticesSummary（源 NoticesSummary.vue）
   ================================================================ */

.ui-v2 .notices-summary-section {
  width: 85%;
  max-width: 1400px;
  margin: 6rem auto 8rem auto;
  color: #ffffff;
}

.ui-v2 .notices-section-main-title {
  font-size: 2.75rem;
  font-weight: 700;
  color: #ffffff;
  text-align: center;
  letter-spacing: 0.12em;
  margin: 0 0 2.5rem 0;
}

.ui-v2 .notices-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.ui-v2 .notices-subtitle-text {
  font-size: 1rem;
  color: #a1a1aa;
  margin: 0;
}

.ui-v2 .all-notices-capsule {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 2rem;
  background: linear-gradient(135deg, rgba(80, 200, 210, 0.55) 0%, rgba(120, 90, 160, 0.6) 100%);
  border: 1px solid rgba(126, 232, 250, 0.45);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #ffffff;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(80, 200, 210, 0.25);
  transition: all 250ms ease;
}

.ui-v2 .all-notices-capsule:hover {
  background: linear-gradient(135deg, rgba(90, 220, 230, 0.75) 0%, rgba(140, 105, 180, 0.8) 100%);
  border-color: rgba(126, 232, 250, 0.8);
  box-shadow: 0 6px 24px rgba(126, 232, 250, 0.4);
  transform: translateY(-2px);
}

@media (max-width: 640px) {
  .ui-v2 .notices-header-row { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .ui-v2 .notices-section-main-title { font-size: 1.75rem; margin-bottom: 1.5rem; }
  .ui-v2 .all-notices-capsule { padding: 0.5rem 1.25rem; font-size: 0.8125rem; }
}

/* Notice Cards */
.ui-v2 .notices-list-v2 {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 5rem;
}

.ui-v2 .notice-card-v2 {
  display: block;
  background: rgba(14, 15, 22, 0.88);
  border: 1.5px solid rgba(126, 232, 250, 0.22);
  border-radius: 1.25rem;
  padding: 1.75rem 2.25rem;
  text-decoration: none;
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  color: inherit;
}

.ui-v2 .notice-card-v2:hover {
  border-color: rgba(126, 232, 250, 0.6);
  background: rgba(20, 22, 32, 0.95);
  box-shadow: 0 12px 36px rgba(126, 232, 250, 0.2);
  transform: translateY(-2px);
}

.ui-v2 .notice-card-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.ui-v2 .notice-card-title-v2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
  letter-spacing: 0.02em;
}

.ui-v2 .notice-card-date {
  font-size: 0.875rem;
  color: #a1a1aa;
  white-space: nowrap;
}

.ui-v2 .notice-card-summary {
  font-size: 0.9375rem;
  color: #d1d5db;
  line-height: 1.6;
  margin: 0;
}

/* Quick Query Links */
.ui-v2 .quick-query-container { margin-top: 4rem; }

.ui-v2 .quick-query-label {
  display: block;
  font-size: 0.875rem;
  color: #a1a1aa;
  margin-bottom: 2.25rem;
}

.ui-v2 .quick-query-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

@media (max-width: 768px) { .ui-v2 .quick-query-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; } }

.ui-v2 .query-link-item {
  font-size: 1.75rem;
  font-weight: 600;
  color: #ffffff;
  text-decoration: none;
  transition: all 250ms ease;
}

.ui-v2 .query-link-item:hover {
  color: #7ee8fa;
  text-shadow: 0 0 16px rgba(126, 232, 250, 0.6);
  transform: translateY(-2px);
}

/* ================================================================
   ContactSection（源 ContactSection.vue）
   ================================================================ */

.ui-v2 .contact-faq-section {
  width: 85%;
  max-width: 1400px;
  margin: 6rem auto 8rem auto;
  color: #ffffff;
}

.ui-v2 .contact-section-title {
  font-size: 2.75rem;
  font-weight: 700;
  color: #ffffff;
  text-align: center;
  letter-spacing: 0.12em;
  margin: 0 0 3rem 0;
}

.ui-v2 .contact-header-block { margin-bottom: 2.5rem; }

.ui-v2 .contact-subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 0.5rem 0;
}

.ui-v2 .contact-desc {
  font-size: 0.9375rem;
  color: #a1a1aa;
  margin: 0;
  line-height: 1.6;
}

/* 4 Contact Cards */
.ui-v2 .contact-cards-grid-v2 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 1024px) { .ui-v2 .contact-cards-grid-v2 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .ui-v2 .contact-cards-grid-v2 { grid-template-columns: 1fr; gap: 1.25rem; } }

.ui-v2 .contact-card-v2 {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.75rem 1.5rem;
  background: rgba(14, 15, 22, 0.88);
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  border-radius: 1.25rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transition: all 250ms ease;
}

.ui-v2 .contact-card-v2:hover {
  border-color: rgba(126, 232, 250, 0.4);
  transform: translateY(-2px);
}

.ui-v2 .contact-card-label {
  font-size: 0.875rem;
  color: #a1a1aa;
}

.ui-v2 .contact-card-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: #ffffff;
  word-break: break-all;
}

.ui-v2 .contact-card-note {
  font-size: 0.8125rem;
  color: #71717a;
}

/* Action Buttons */
.ui-v2 .contact-action-buttons-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 6rem;
}

@media (max-width: 640px) { .ui-v2 .contact-action-buttons-row { flex-direction: column; align-items: stretch; } }

.ui-v2 .btn-gradient-capsule {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2.25rem;
  background: linear-gradient(135deg, rgba(80, 200, 210, 0.6) 0%, rgba(120, 90, 160, 0.6) 100%);
  border: 1px solid rgba(126, 232, 250, 0.45);
  border-radius: 9999px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: #ffffff;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(80, 200, 210, 0.25);
  transition: all 250ms ease;
  cursor: pointer;
}

.ui-v2 .btn-gradient-capsule:hover {
  background: linear-gradient(135deg, rgba(90, 220, 230, 0.75) 0%, rgba(140, 105, 180, 0.8) 100%);
  box-shadow: 0 6px 24px rgba(126, 232, 250, 0.4);
  transform: translateY(-2px);
}

.ui-v2 .btn-outline-capsule-v2 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2.25rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 9999px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: #ffffff;
  text-decoration: none;
  transition: all 250ms ease;
}

.ui-v2 .btn-outline-capsule-v2:hover {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

/* ================================================================
   FAQ（源 ContactSection.vue FAQ 部分）
   ================================================================ */

.ui-v2 .faq-part { margin-top: 4rem; }

.ui-v2 .faq-main-title {
  font-size: 2.75rem;
  font-weight: 700;
  color: #ffffff;
  text-align: center;
  letter-spacing: 0.15em;
  margin: 0 0 0.5rem 0;
}

.ui-v2 .faq-sub-cyan {
  font-size: 1.25rem;
  color: #46c8d0;
  text-align: center;
  margin: 0 0 4rem 0;
  letter-spacing: 0.05em;
}

.ui-v2 .faq-list-v2 { display: flex; flex-direction: column; gap: 1.5rem; }

.ui-v2 .faq-item-v2 { display: flex; flex-direction: column; gap: 1rem; }

.ui-v2 .faq-question-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  cursor: pointer;
  padding: 0.5rem 0;
}

.ui-v2 .faq-question-row:hover .faq-q-text { color: #46c8d0; }

.ui-v2 .faq-q-badge {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #46c8d0;
  color: #000000;
  font-weight: 700;
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ui-v2 .faq-q-text {
  font-size: 1.125rem;
  font-weight: 600;
  color: #ffffff;
  transition: color 200ms ease;
}

.ui-v2 .faq-q-text.active { color: #46c8d0; }

.ui-v2 .faq-answer-row {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding-left: 0;
  transition: max-height 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ui-v2 .faq-a-badge {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #b046d0;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.ui-v2 .faq-a-text {
  font-size: 0.9375rem;
  color: #a1a1aa;
  line-height: 1.65;
  margin: 0;
}

/* FAQ Fading Divider */
.ui-v2 .faq-fading-divider {
  width: 100%;
  height: 1px;
  margin-top: 1rem;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.15) 10%,
    rgba(255, 255, 255, 0.15) 90%,
    transparent 95%
  );
}

/* ================================================================
   Utility: Section Container
   ================================================================ */

.ui-v2 .section-container {
  width: 90%;
  max-width: 1400px;
  margin: 0 auto;
}