[hidden] { display: none !important; }

body.vip-benefits-modal-open { overflow: hidden; }

.vip-benefits-modal {
  --vip-gold: #d8b85a;
  --vip-gold-bright: #f2d77e;
  --vip-muted: rgba(238, 229, 215, 0.62);
  --vip-sans: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --vip-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  padding: 18px;
  place-items: center;
  background: rgba(4, 3, 1, 0.8);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #eee5d7;
  font-family: var(--vip-sans);
}

.vip-benefits-dialog {
  position: relative;
  width: min(100%, 480px);
  max-height: calc(100vh - 36px);
  max-height: min(760px, calc(100dvh - 36px));
  perspective: 1400px;
  outline: none;
}

.vip-benefits-flip {
  position: relative;
  width: 100%;
  transform-style: preserve-3d;
  transition: transform 680ms cubic-bezier(0.22, 0.78, 0.24, 1);
}

.vip-benefits-flip.is-flipped { transform: rotateY(180deg); }

.vip-benefits-face {
  width: 100%;
  max-height: calc(100vh - 36px);
  max-height: min(760px, calc(100dvh - 36px));
  overflow-y: auto;
  padding: 24px 22px 22px;
  border: 1px solid rgba(216, 184, 90, 0.34);
  border-radius: 22px;
  background:
    radial-gradient(circle at 50% 0, rgba(216, 184, 90, 0.12), transparent 17rem),
    linear-gradient(180deg, #211a0d, #151108);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.55);
  overscroll-behavior: contain;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.vip-benefits-face-front { position: relative; }

.vip-benefits-face-back {
  position: absolute;
  inset: 0;
  transform: rotateY(180deg);
}

.vip-benefits-close {
  position: absolute;
  z-index: 4;
  top: 10px;
  right: 10px;
  display: grid;
  width: 36px;
  height: 36px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: var(--vip-muted);
  font: inherit;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.vip-benefits-close:hover,
.vip-benefits-close:focus-visible {
  background: rgba(216, 184, 90, 0.13);
  color: var(--vip-gold-bright);
  outline: none;
}

.vip-benefits-kicker {
  margin: 0;
  color: var(--vip-gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.vip-benefits-face h2 {
  margin: 8px 40px 0 0;
  color: #fff5d5;
  font-family: var(--vip-serif);
  font-size: 23px;
  line-height: 1.35;
}

.vip-benefits-list {
  display: grid;
  gap: 10px;
  margin: 19px 0 0;
  padding: 0;
  list-style: none;
}

.vip-benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(238, 229, 215, 0.82);
  font-size: 14px;
  line-height: 1.55;
}

.vip-benefits-list .vip-benefits-note {
  display: block;
  padding-left: 0;
  color: #9fb6d7;
  font-size: 13px;
  font-weight: 600;
}

.vip-benefits-number {
  display: grid;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  place-items: center;
  border: 1px solid rgba(216, 184, 90, 0.28);
  border-radius: 8px;
  background: rgba(216, 184, 90, 0.08);
  color: var(--vip-gold-bright);
  font-size: 11px;
  font-weight: 700;
}

.vip-benefits-star .vip-benefits-number {
  border: 0;
  background: transparent;
  font-size: 19px;
  line-height: 1;
}

.vip-benefits-link {
  color: var(--vip-gold-bright);
  text-decoration: underline;
  text-decoration-color: rgba(242, 215, 126, 0.45);
  text-underline-offset: 3px;
}

.vip-benefits-link:hover,
.vip-benefits-link:focus-visible {
  color: #fff0bf;
  text-decoration-color: currentColor;
  outline: none;
}

.vip-benefits-rights,
.vip-benefits-back {
  display: block;
  width: fit-content;
  margin: 18px auto 0;
  padding: 3px 2px;
  border: 0;
  background: transparent;
  color: var(--vip-gold-bright);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
  text-align: center;
  text-decoration: underline;
  text-decoration-color: rgba(242, 215, 126, 0.42);
  text-underline-offset: 5px;
  cursor: pointer;
  transition: color 160ms ease, text-decoration-color 160ms ease;
}

.vip-benefits-rights:hover,
.vip-benefits-rights:focus-visible,
.vip-benefits-back:hover,
.vip-benefits-back:focus-visible {
  color: #fff0bf;
  text-decoration-color: currentColor;
  outline: none;
}

.vip-benefits-rights:active,
.vip-benefits-back:active { color: #fff5d5; }

.vip-benefits-wechat {
  margin-top: 21px;
  padding-top: 18px;
  border-top: 1px solid rgba(216, 184, 90, 0.16);
  text-align: center;
}

.vip-benefits-wechat h3 {
  margin: 0;
  color: #fff0bf;
  font-family: var(--vip-serif);
  font-size: 16px;
}

.vip-benefits-qr {
  width: min(100%, 190px);
  margin: 12px auto 0;
  padding: 6px;
  border-radius: 16px;
  background: #fff;
}

.vip-benefits-qr img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 11px;
}

@media (max-width: 420px) {
  .vip-benefits-modal { padding: 10px; }
  .vip-benefits-dialog,
  .vip-benefits-face {
    max-height: calc(100vh - 20px);
    max-height: min(760px, calc(100dvh - 20px));
  }
  .vip-benefits-face { padding: 22px 18px 18px; }
  .vip-benefits-face h2 { font-size: 21px; }
}

@media (prefers-reduced-motion: reduce) {
  .vip-benefits-flip { transition-duration: 0.01ms; }
}