:root {
  color-scheme: dark;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #002fa7;
  color: #f7f7f5;
}

* { box-sizing: border-box; }

body { margin: 0; min-width: 320px; }

.portal-home {
  width: min(1480px, calc(100% - 64px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 28px 0 24px;
}

.portal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.portal-brand { display: inline-flex; align-items: flex-start; gap: 9px; color: inherit; font-size: 15px; font-weight: 800; letter-spacing: -0.04em; text-decoration: none; }
.portal-brand img { display: block; width: 36px; height: 36px; object-fit: contain; }
.portal-account { position: relative; display: flex; align-items: center; min-height: 30px; }
.portal-account__trigger { border: 1px solid rgba(255, 255, 255, 0.55); border-radius: 999px; background: transparent; color: #f2f0e9; cursor: pointer; font: inherit; font-size: 12px; font-weight: 700; line-height: 1; padding: 9px 14px; transition: background 160ms ease, color 160ms ease, border-color 160ms ease; }
.portal-account__trigger:hover, .portal-account__trigger[aria-expanded="true"] { border-color: #f2f0e9; background: #f2f0e9; color: #1f2823; }
.portal-account__trigger--annual, .portal-account__trigger--annual[aria-expanded="true"] { width: 200px; height: 40px; display: flex; align-items: center; justify-content: center; gap: 8px; border: none; border-radius: 40px; background: linear-gradient(110deg, #f5f7f8 0%, #c8d0d4 26%, #ffffff 48%, #b5bec3 70%, #eef1f2 100%); background-size: 200% 200%; color: #303a40; font-size: 0.8em; font-weight: 600; box-shadow: 0 2px 8px rgba(67, 78, 84, 0.16); transition: transform 3s ease; }
.portal-account__trigger--annual #account-menu-label { display: block; max-width: calc(100% - 24px); overflow: hidden; text-align: center; text-overflow: ellipsis; white-space: nowrap; }
.portal-account__trigger--annual .logoIcon { display: block; flex: 0 0 1em; width: 1em; height: 1em; }
.portal-account__trigger--annual .logoIcon path { fill: #59646a; }
.portal-account__trigger--signed-out .logoIcon { display: none; }
.portal-account__trigger--annual:hover, .portal-account__trigger--annual:focus-visible { border: none; background: linear-gradient(110deg, #f5f7f8 0%, #c8d0d4 26%, #ffffff 48%, #b5bec3 70%, #eef1f2 100%); background-size: 200% 200%; color: #303a40; transform: scale(0.95); transition-duration: 3s; animation: gradient 5s ease infinite; background-position: right; }
.portal-account__trigger--lifetime, .portal-account__trigger--lifetime[aria-expanded="true"] { width: 200px; height: 40px; display: flex; align-items: center; justify-content: center; gap: 8px; border: none; border-radius: 40px; background: linear-gradient(to right, #bf953f, #fcf6ba, #b38728, #fbf5b7, #aa771c); background-size: 200% 200%; color: rgb(121, 103, 3); font-size: 0.8em; font-weight: 600; cursor: pointer; position: relative; z-index: 2; transition: transform 3s ease; box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.144); }
.portal-account__trigger--lifetime #account-menu-label { display: block; max-width: calc(100% - 24px); overflow: hidden; text-align: center; text-overflow: ellipsis; white-space: nowrap; }
.portal-account__trigger--lifetime .logoIcon { display: block; flex: 0 0 1em; width: 1em; height: 1em; }
.portal-account__trigger--lifetime .logoIcon path { fill: rgb(121, 103, 3); }
.portal-account__trigger--lifetime:hover, .portal-account__trigger--lifetime:focus-visible { border: none; background: linear-gradient(to right, #bf953f, #fcf6ba, #b38728, #fbf5b7, #aa771c); background-size: 200% 200%; color: rgb(121, 103, 3); transform: scale(0.95); transition-duration: 3s; animation: gradient 5s ease infinite; background-position: right; }
@keyframes gradient { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.portal-account__menu { position: absolute; top: calc(100% + 10px); right: 0; z-index: 10; display: grid; min-width: 174px; overflow: hidden; border: 1px solid rgba(255, 255, 255, 0.17); border-radius: 12px; background: #171b19; box-shadow: 0 18px 36px rgba(0, 0, 0, 0.45); }
.portal-account__signed-out, .portal-account__signed-in { display: grid; padding: 6px; }
.portal-account__menu[hidden], .portal-account__signed-out[hidden], .portal-account__signed-in[hidden] { display: none !important; }
.portal-account__signed-in { gap: 3px; }
.portal-account__menu-item { width: 100%; border: 0; border-radius: 7px; background: transparent; color: #f2f0e9; cursor: pointer; font: inherit; font-size: 12px; font-weight: 700; line-height: 1; padding: 10px 9px; text-align: left; transition: background 160ms ease, color 160ms ease; }
.portal-account__menu-item:hover { background: #f2f0e9; color: #1f2823; }
.portal-account__menu-item--quiet { color: #d8a49e; }
.portal-account__menu-item--quiet:hover { background: #583632; color: #fff; }
.portal-card__eyebrow { font-size: 10px; font-weight: 700; letter-spacing: 0.15em; }

.account-dialog { width: min(410px, calc(100vw - 32px)); margin: auto; border: 0; padding: 0; background: transparent; color: #f6f4ed; }
.account-dialog::backdrop { background: rgba(19, 25, 22, 0.45); backdrop-filter: blur(3px); }
.account-dialog__panel { display: grid; gap: 16px; margin: 0; padding: 27px; border: 1px solid rgba(255, 255, 255, 0.17); border-radius: 17px; background: #171b19; box-shadow: 0 26px 80px rgba(15, 18, 16, 0.35); }
.account-dialog__header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.account-dialog__header h2 { margin: 5px 0 0; color: #fff; font-size: 25px; letter-spacing: -0.05em; }
.account-dialog__eyebrow { color: #b6c2b9; font-size: 10px; font-weight: 800; letter-spacing: 0.16em; }
.account-dialog__close { width: 29px; height: 29px; border: 1px solid rgba(255, 255, 255, 0.22); border-radius: 50%; background: transparent; color: #fff; cursor: pointer; font-size: 21px; line-height: 1; }
.account-dialog label { display: grid; gap: 8px; color: #d8ddd7; font-size: 12px; font-weight: 700; }
.account-dialog input { width: 100%; border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 9px; outline: none; background: #0e1110; color: #fff; font: inherit; padding: 12px; }
.account-dialog input:focus { border-color: #dce9df; box-shadow: 0 0 0 3px rgba(220, 233, 223, 0.12); }
.account-dialog__hint, .account-dialog__message { min-height: 18px; margin: -6px 0 0; color: #aeb9b1; font-size: 12px; line-height: 1.5; }
.account-dialog__message[data-tone="error"] { color: #ffafa8; }
.account-dialog__message[data-tone="success"] { color: #aee3bd; }
.account-dialog__submit { border: 0; border-radius: 9px; background: #f3f1e9; color: #18201b; cursor: pointer; font: inherit; font-weight: 800; padding: 13px 16px; }
.account-dialog__submit:hover { background: #fff; }
.account-dialog__notice { min-width: min(360px, calc(100vw - 32px)); }
.account-dialog__notice-text { margin: 0; color: #e8ece6; font-size: 15px; line-height: 1.7; }

.portal-card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; max-width: 1080px; margin: clamp(54px, 8vw, 112px) auto 0; }
.portal-warp { position: relative; max-width: 1080px; margin: clamp(80px, 12vw, 160px) auto 0; }
.warp-text { position: relative; display: block; width: 100%; height: clamp(180px, 26vw, 320px); overflow: visible; isolation: isolate; }
.warp-text canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; transform: translateX(-24px); }
.warp-sticker { position: absolute; z-index: 2; right: clamp(-60px, -3vw, -20px); top: 46%; width: clamp(110px, 15vw, 190px); transform: translateY(-42%) rotate(9deg); filter: drop-shadow(0 10px 22px rgba(0, 0, 0, .35)); pointer-events: none; user-select: none; }
.portal-flip-card { position: relative; display: block; width: 100%; aspect-ratio: 3 / 4; perspective: 1400px; text-decoration: none; border-radius: 15px; }
.portal-flip-card__content { position: relative; display: block; width: 100%; height: 100%; transform-style: preserve-3d; transition: transform 600ms ease; border-radius: 15px; box-shadow: 0px 0px 10px 1px rgba(0, 0, 0, 0.55); }
.portal-flip-card:hover .portal-flip-card__content, .portal-flip-card:focus-visible .portal-flip-card__content { transform: rotateY(180deg); }
.portal-flip-card:focus-visible { outline: 3px solid #f2f0e9; outline-offset: 4px; }
.portal-flip-card__face { position: absolute; inset: 0; display: flex; overflow: hidden; border-radius: 15px; background: #151515; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.portal-flip-card__face--intro { flex-direction: column; align-items: center; justify-content: center; gap: 24px; }
.portal-flip-card__icon { width: 44%; height: auto; border-radius: 22%; box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45); }
.portal-flip-card__name { color: #fff; font-size: 18px; font-weight: 800; letter-spacing: 0.01em; }
.portal-flip-card__face--detail { transform: rotateY(180deg); align-items: stretch; }
.portal-flip-card__face--detail::before { position: absolute; content: ''; display: block; width: 55%; height: 160%; background: linear-gradient(90deg, transparent, #ff9966, #ff9966, #ff9966, #ff9966, transparent); animation: portal-flip-border 5000ms infinite linear; }
.portal-flip-card__panel { position: absolute; inset: 3px; display: flex; flex-direction: column; justify-content: space-between; gap: 12px; padding: 20px; border-radius: 12px; background: #151515; color: #fff; }
.portal-flip-card__description { color: #b9b9b9; font-size: 13px; line-height: 1.55; }
.portal-flip-card__action { align-self: flex-start; border-bottom: 1px solid currentColor; padding-bottom: 3px; font-size: 12px; font-weight: 700; }
@keyframes portal-flip-border { 0% { transform: rotateZ(0deg); } 100% { transform: rotateZ(360deg); } }
@media (max-width: 980px) {
  .portal-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .portal-home { width: min(100% - 32px, 560px); padding-top: 20px; }
  .portal-header { align-items: flex-start; gap: 14px; }
  .portal-account__menu { min-width: 164px; }
  .portal-card-grid { grid-template-columns: 1fr; }
}