/* InfoCards · 对齐 VIP 会员 plan-card */

.cards-container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 1080px;
  margin: 0 auto;
  padding: 2.35rem 20px 20px;
  align-items: start;
  --slit-idle: #242220;
  --slit-glow-idle: rgba(255, 236, 200, 0.14);
  --beam-a: rgba(255, 240, 210, 0.28);
  --beam-b: rgba(255, 244, 220, 0.22);
  --beam-c: rgba(255, 236, 200, 0.18);
  --card-inset: rgba(255, 245, 220, 0.22);
}

.cards-container.is-light-warm {
  --slit-idle: #fff6d6;
  --slit-glow-idle: rgba(253, 232, 129, 0.78);
  --beam-a: rgba(253, 232, 129, 0.58);
  --beam-b: rgba(255, 244, 210, 0.52);
  --beam-c: rgba(253, 232, 129, 0.42);
  --card-inset: rgba(255, 236, 180, 0.48);
}

.cards-container.is-light-cool {
  --slit-idle: #fff8f0;
  --slit-glow-idle: rgba(255, 250, 240, 0.8);
  --beam-a: rgba(255, 255, 255, 0.62);
  --beam-b: rgba(255, 252, 245, 0.5);
  --beam-c: rgba(255, 255, 255, 0.4);
  --card-inset: rgba(255, 255, 255, 0.4);
}

.cards-container:has(.contact-flip-pair--warm:hover),
.cards-container:has(.contact-flip-pair--warm:focus-within) {
  --slit-idle: #fff6d6;
  --slit-glow-idle: rgba(253, 232, 129, 0.78);
  --beam-a: rgba(253, 232, 129, 0.58);
  --beam-b: rgba(255, 244, 210, 0.52);
  --beam-c: rgba(253, 232, 129, 0.42);
  --card-inset: rgba(255, 236, 180, 0.48);
}

.cards-container:has(.contact-flip-pair--cool:hover),
.cards-container:has(.contact-flip-pair--cool:focus-within) {
  --slit-idle: #fff8f0;
  --slit-glow-idle: rgba(255, 250, 240, 0.8);
  --beam-a: rgba(255, 255, 255, 0.62);
  --beam-b: rgba(255, 252, 245, 0.5);
  --beam-c: rgba(255, 255, 255, 0.4);
  --card-inset: rgba(255, 255, 255, 0.4);
}

.contact-flip-pair {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.uc-flip-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.55rem 1.05rem;
  border-radius: 999px;
  background: rgba(22, 22, 22, 0.88);
  border: 1px solid rgba(245, 158, 11, 0.28);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.uc-flip-switch-label {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #9a9388;
  user-select: none;
  cursor: pointer;
}

.uc-flip-switch-label.is-active {
  color: #f5c56a;
}

.checkbox-wrapper-41 {
  --size: 76px;
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.checkbox-wrapper-41 input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  margin: 0;
  width: var(--size);
  height: calc(var(--size) / 2);
  background-color: #fff;
  border: 2px solid #1e1b16;
  border-radius: 30px 100px 100px 100px;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.28);
  outline: none;
  cursor: pointer;
  position: relative;
  transition: all 0.5s;
}

.checkbox-wrapper-41 input[type="checkbox"]::before {
  content: "";
  position: absolute;
  width: calc(var(--size) / 2);
  height: calc(var(--size) / 2);
  left: 0;
  top: 50%;
  transform: translateY(-50%) scale(0.7);
  border: 2px solid #1e1b16;
  border-radius: 30px 100px 100px 100px;
  background-color: #fde881;
  box-sizing: border-box;
  transition: all 0.5s;
}

.checkbox-wrapper-41 input[type="checkbox"]:checked {
  background-color: #fde881;
  border-radius: 100px 100px 30px 100px;
}

.checkbox-wrapper-41 input[type="checkbox"]:checked::before {
  left: 50%;
  background-color: #fff;
  border-radius: 100px 100px 30px 100px;
}

.contact-flip {
  background: transparent;
  width: 100%;
  height: 320px;
  perspective: 1400px;
  transition: height 0.35s ease;
}

.contact-flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

.contact-flip-face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  box-sizing: border-box;
  overflow: auto;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: transform 0.7s ease;
}

.contact-flip-front {
  transform: rotateY(0deg);
  z-index: 2;
  pointer-events: auto;
}

.contact-flip-back {
  transform: rotateY(180deg);
  z-index: 1;
  pointer-events: none;
}

.contact-flip-inner.is-flipped .contact-flip-front {
  transform: rotateY(-180deg);
  z-index: 1;
  pointer-events: none;
}

.contact-flip-inner.is-flipped .contact-flip-back {
  transform: rotateY(0deg);
  z-index: 2;
  pointer-events: auto;
}

.contact-flip-face .card.plan-card {
  height: auto;
  min-height: 100%;
  box-sizing: border-box;
}

.card.is-expanded {
  height: auto !important;
}

.card.is-expanded .card-header {
  flex: 0 0 auto;
}

.card.plan-card {
  position: relative;
  align-self: start;
  background: linear-gradient(170deg, rgba(58, 50, 40, 0.92) 0%, rgb(31, 28, 24) 100%);
  color: #f5f5f5;
  min-height: 280px;
  padding: 1.5rem 1.15rem 1.15rem;
  border-radius: 20px;
  border: 1px solid rgba(245, 158, 11, 0.22);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.55);
  display: flex;
  flex-direction: column;
  overflow: visible;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.card.plan-card:hover {
  border-color: rgba(245, 158, 11, 0.4);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
}

.cards-container .luminous-stage {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  transform-style: preserve-3d;
  perspective: 520px;
  mix-blend-mode: screen;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0s linear 0.5s;
}

.cards-container:hover .luminous-stage,
.cards-container:focus-within .luminous-stage {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease, visibility 0s;
}

.cards-container .luminous-stage .luminous-slit {
  position: absolute;
  left: 0;
  right: 0;
  top: 0.45rem;
  margin: auto;
  width: 78%;
  height: 1.2rem;
  transform: rotateX(-76deg);
  background: var(--slit-idle);
  box-shadow: 0 0 5px 0 var(--slit-glow-idle);
  opacity: 0;
  transition: background 0.5s ease, box-shadow 0.5s ease, opacity 0.5s ease;
}

.cards-container .luminous-stage .luminous-lumen {
  position: absolute;
  inset: 0;
  perspective: 520px;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.cards-container .luminous-stage .luminous-lumen .min {
  width: 82%;
  height: 3.4rem;
  background: linear-gradient(var(--beam-a), transparent);
  position: absolute;
  left: 0;
  right: 0;
  top: 0.7rem;
  margin: auto;
  transform: rotateX(42deg);
  opacity: 0.4;
  transition: background 0.5s ease;
}

.cards-container .luminous-stage .luminous-lumen .mid {
  width: 92%;
  height: 26rem;
  background: linear-gradient(var(--beam-b), transparent);
  position: absolute;
  left: 0;
  right: 0;
  top: 0.95rem;
  margin: auto;
  transform: rotateX(28deg);
  filter: blur(1.4rem);
  opacity: 0.75;
  border-radius: 0 0 100% 100%;
  transition: background 0.5s ease;
}

.cards-container .luminous-stage .luminous-lumen .hi {
  width: 70%;
  height: 22rem;
  background: linear-gradient(var(--beam-c), transparent);
  position: absolute;
  left: 0;
  right: 0;
  top: 0.65rem;
  margin: auto;
  transform: rotateX(-18deg);
  filter: blur(1.2rem);
  opacity: 0.55;
  border-radius: 0 0 100% 100%;
  transition: background 0.5s ease;
}

.cards-container .luminous-stage .luminous-darken {
  position: absolute;
  inset: 0;
  perspective: 520px;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.cards-container .luminous-stage .luminous-darken .sl {
  width: 86%;
  height: 14rem;
  background: linear-gradient(#000, transparent);
  position: absolute;
  left: 0;
  right: 0;
  top: 11rem;
  margin: auto;
  filter: blur(0.3rem);
  opacity: 0.18;
  border-radius: 0 0 100% 100%;
  transform: rotateX(-18deg);
}

.cards-container .luminous-stage .luminous-darken .ll {
  width: 80%;
  height: 16rem;
  background: linear-gradient(rgba(0, 0, 0, 0.55), transparent);
  position: absolute;
  left: 0;
  right: 0;
  top: 13rem;
  margin: auto;
  filter: blur(1rem);
  opacity: 0.7;
  border-radius: 0 0 100% 100%;
  transform: rotateX(16deg);
}

.cards-container:hover .luminous-stage .luminous-slit,
.cards-container:focus-within .luminous-stage .luminous-slit {
  opacity: 1;
}

.cards-container:hover .luminous-stage .luminous-lumen,
.cards-container:focus-within .luminous-stage .luminous-lumen {
  opacity: 0.5;
}

.cards-container:hover .luminous-stage .luminous-darken,
.cards-container:focus-within .luminous-stage .luminous-darken {
  opacity: 0.68;
}

.cards-container:has(.contact-flip-pair:hover) .card.plan-card {
  box-shadow:
    inset 0 1.2rem 0.15rem -1rem var(--card-inset),
    inset 0 -5rem 4rem -3rem rgba(0, 0, 0, 0.5),
    0 25px 50px rgba(0, 0, 0, 0.58);
}

.card.plan-card--featured {
  background: linear-gradient(170deg, rgba(72, 58, 36, 0.95) 0%, rgb(34, 30, 24) 100%);
  border-color: rgba(245, 158, 11, 0.38);
}

.card.plan-card--partner {
  background: linear-gradient(170deg, rgba(68, 56, 34, 0.92) 0%, rgb(32, 28, 22) 100%);
}

.card.plan-card--enterprise {
  background: linear-gradient(170deg, rgba(52, 50, 48, 0.92) 0%, rgb(28, 27, 26) 100%);
}

.card.plan-card--basic {
  background: linear-gradient(170deg, rgba(58, 50, 40, 0.92) 0%, rgb(31, 28, 24) 100%);
}

.card.plan-card > .plan-ribbon {
  position: absolute;
  overflow: hidden;
  width: 132px;
  height: 132px;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 4;
  border-radius: 20px 0 0 0;
}

.plan-ribbon::before {
  position: absolute;
  width: 150%;
  height: 36px;
  transform: rotate(-45deg) translateY(-18px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.23);
}

.plan-ribbon::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  bottom: 0;
  left: 0;
  z-index: -1;
}

.plan-card--partner .plan-ribbon::before {
  content: "投资";
  background-image: linear-gradient(45deg, #ca8a04 0%, #f59e0b 51%, #fbbf24 100%);
}

.plan-card--partner .plan-ribbon::after {
  box-shadow: 122px -122px #a16207;
  background-image: linear-gradient(45deg, #ca8a04, #f59e0b);
}

.plan-card--featured .plan-ribbon::before {
  content: "招募";
  background-image: linear-gradient(45deg, #ff6547 0%, #ffb144 51%, #ff7053 100%);
}

.plan-card--featured .plan-ribbon::after {
  box-shadow: 122px -122px #cc3f47;
  background-image: linear-gradient(45deg, #FF512F 0%, #F09819 51%, #FF512F 100%);
}

.plan-card--enterprise .plan-ribbon::before {
  content: "合作";
  background-image: linear-gradient(45deg, #44403c 0%, #78716c 51%, #a8a29e 100%);
}

.plan-card--enterprise .plan-ribbon::after {
  box-shadow: 122px -122px #292524;
  background-image: linear-gradient(45deg, #44403c, #78716c);
}

.plan-card--basic .plan-ribbon::before {
  content: "参观";
  background-image: linear-gradient(45deg, #78716c 0%, #a8a29e 51%, #d6d3d1 100%);
}

.plan-card--basic .plan-ribbon::after {
  box-shadow: 122px -122px #57534e;
  background-image: linear-gradient(45deg, #78716c, #a8a29e);
}

html[lang="en"] .plan-card--partner .plan-ribbon::before { content: "INVEST"; }
html[lang="en"] .plan-card--featured .plan-ribbon::before { content: "HIRE"; }
html[lang="en"] .plan-card--enterprise .plan-ribbon::before { content: "UNIV"; }
html[lang="en"] .plan-card--basic .plan-ribbon::before { content: "VISIT"; }

.card-header {
  margin-bottom: 0;
  text-align: center;
  position: relative;
  padding: 0.35rem 0 0;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-header.clickable {
  cursor: pointer;
  user-select: none;
}

.card.plan-card .card-header h2 {
  color: #fff;
  margin: 0;
  padding: 0 1.6rem;
  font-size: 2.05rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  text-align: center;
}

.card.plan-card .card-lead {
  margin: 0.35rem 0 0;
  padding: 0 0.15rem;
  color: rgba(245, 245, 245, 0.55);
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.55;
  text-align: center;
}

.button-get-plan {
  display: flex;
  justify-content: center;
  margin-top: auto;
  padding-top: 1rem;
}

.card.is-expanded .button-get-plan,
.card.is-expanded .expand-icon {
  display: none;
}

.btn-get-plan {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  padding: 0.7rem 1rem;
  border-radius: 5px;
  border: 1px solid #4a4338;
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  font-weight: 600;
  font-family: inherit;
}

.plan-card--featured .btn-get-plan {
  background: #fdbd4a;
  color: #1a1a1a;
  border-color: #fdbd4a;
}

.plan-card--partner .btn-get-plan {
  background: #fdbd4a;
  color: #1a1a1a;
  border-color: #fdbd4a;
}

.expand-icon {
  position: absolute;
  top: 0;
  right: 0;
  font-size: 0.75rem;
  color: rgba(245, 245, 245, 0.45);
  transition: transform 0.3s ease, color 0.2s ease;
}

.card-header.clickable:hover .expand-icon {
  color: #fdbd4a;
}

.card-form {
  display: none;
  flex-direction: column;
  gap: 20px;
  margin-top: 1.15rem;
  padding-top: 1.15rem;
  border-top: 1px solid rgba(245, 158, 11, 0.22);
  overflow: hidden;
}

.card-form.expanded {
  display: flex;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.investor-custom-amount-group {
  display: none;
}

.investor-custom-amount-group.visible {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-weight: 600;
  color: rgba(245, 245, 245, 0.72);
  margin-bottom: 8px;
  font-size: 0.82rem;
}

.required {
  color: #f59e0b;
  margin-left: 4px;
}

.form-input,
.file-input {
  padding: 12px;
  border: 1px solid rgba(245, 158, 11, 0.28);
  border-radius: 8px;
  font-size: 14px;
  background: rgba(15, 13, 10, 0.72);
  color: #ece8df;
  transition: border-color 0.3s ease;
}

.form-input:focus,
.file-input:focus {
  outline: none;
  border-color: rgba(253, 232, 129, 0.7);
}

.form-input::placeholder {
  color: rgba(245, 245, 245, 0.35);
}

.readonly-field {
  background-color: rgba(255, 255, 255, 0.04);
  color: rgba(245, 245, 245, 0.55);
  cursor: not-allowed;
}

.file-hint {
  color: rgba(245, 245, 245, 0.45);
  font-size: 0.8rem;
  margin-top: 5px;
}

.submit-btn {
  background: #fdbd4a;
  color: #1a1a1a;
  padding: 0.75rem 1rem;
  border: 1px solid #fdbd4a;
  border-radius: 5px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
  margin-top: 10px;
}

.submit-btn:hover {
  transform: translateY(-2px);
  background: #fbbf24;
}

@media (prefers-reduced-motion: reduce) {
  .cards-container .luminous-stage,
  .cards-container .luminous-stage .luminous-slit,
  .cards-container .luminous-stage .luminous-lumen,
  .cards-container .luminous-stage .luminous-darken {
    transition: none;
    animation: none;
  }
}

@media (max-width: 768px) {
  .cards-container {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 2.2rem 8px 15px;
  }

  .cards-container .luminous-stage .luminous-slit {
    width: 86%;
  }

  .cards-container .luminous-stage .luminous-lumen .mid,
  .cards-container .luminous-stage .luminous-lumen .hi {
    height: 62%;
  }

  .uc-flip-switch {
    gap: 0.45rem;
    padding: 0.4rem 0.7rem;
    max-width: 100%;
    box-sizing: border-box;
  }

  .uc-flip-switch-label {
    font-size: 0.92rem;
  }

  .checkbox-wrapper-41 {
    --size: 56px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .card.plan-card {
    padding: 1.25rem 1rem 1rem;
  }

  .card.plan-card .card-header h2 {
    font-size: 1.45rem;
  }

  .card-lead {
    font-size: 0.78rem;
    padding: 0 0.2rem;
  }
}

@media (max-width: 480px) {
  .cards-container {
    padding: 2.1rem 10px 10px;
    gap: 15px;
  }
}