* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  background: #070f22;
  color: #e5ecff;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  overflow-x: hidden;
}

body {
  position: relative;
  padding: 56px 24px 48px;
  min-height: 100vh;
  background: url("/portal/hero-bg.jpg") center center / cover no-repeat fixed, #070f22;
}

@media (hover: none) and (pointer: coarse) {
  body { background-attachment: scroll; }
}

.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(120, 170, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 255, 0.07) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 85%);
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 85%);
}

body > * { position: relative; z-index: 1; }

/* ===== Hero ===== */

.hero {
  max-width: 1080px;
  margin: 0 auto 28px;
  text-align: center;
  padding: 64px 24px 48px;
  background: transparent;
  border: none;
}

.hero-title {
  display: inline-block;
  padding: 4px 24px;
  font-size: clamp(32px, 8vw, 72px);
  font-weight: 900;
  letter-spacing: 8px;
  line-height: 1.1;
  background: linear-gradient(110deg, #b57dff 0%, #22d3ee 55%, #5ef5e2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  filter:
    drop-shadow(0 0 28px rgba(139, 120, 255, 0.55))
    drop-shadow(0 4px 14px rgba(0, 0, 0, 0.85));
}
.hero-title::before {
  content: "";
  position: absolute;
  inset: 8% -4px;
  background: linear-gradient(120deg, rgba(139, 92, 246, 0.28), rgba(34, 211, 238, 0.28));
  z-index: -1;
  border-radius: 4px;
  filter: blur(2px);
}

.hero-sub {
  margin-top: 22px;
  display: inline-block;
  padding: 8px 22px;
  background: linear-gradient(90deg, rgba(40, 80, 180, 0.38), rgba(20, 60, 150, 0.38));
  color: #d8e2ff;
  font-size: 15px;
  border-radius: 6px;
  letter-spacing: 2px;
  border: 1px solid rgba(120, 160, 255, 0.18);
}

/* ===== Recommend ===== */

.recommend {
  max-width: 1080px;
  margin: 0 auto;
  padding: 34px 32px 36px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(14, 28, 64, 0.6), rgba(10, 22, 52, 0.55));
  border: 1px solid rgba(120, 160, 255, 0.14);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 20px 60px rgba(0, 0, 0, 0.25);
}

.recommend-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 30px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(120, 160, 255, 0.1);
}

.star {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 22px;
  color: #22d3ee;
  background: rgba(34, 211, 238, 0.12);
  border-radius: 6px;
  text-shadow: 0 0 18px rgba(34, 211, 238, 0.8);
}

.recommend-header h2 {
  display: inline-block;
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  background: rgba(34, 211, 238, 0.14);
  padding: 4px 18px;
  border-radius: 6px;
  letter-spacing: 3px;
}

/* ===== Cards ===== */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 24px;
}

.card {
  background: linear-gradient(160deg, rgba(32, 54, 108, 0.55), rgba(18, 32, 68, 0.5));
  border: 1px solid rgba(120, 170, 255, 0.22);
  border-radius: 18px;
  padding: 18px 18px 20px;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  user-select: none;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(130, 220, 255, 0.55);
  box-shadow: 0 18px 46px rgba(6, 182, 212, 0.18);
}

.card.disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.card.disabled:hover {
  transform: none;
  box-shadow: none;
  border-color: rgba(120, 170, 255, 0.22);
}

.card-cover {
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

/* coin card cover */
.coin-cover {
  background: linear-gradient(135deg, #10234b 0%, #0a1628 100%);
  border: 1px solid rgba(220, 180, 80, 0.18);
}
.coin-icon {
  font-size: 88px;
  filter: drop-shadow(0 0 18px rgba(255, 200, 80, 0.35));
}
.coin-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 60%, rgba(255, 200, 80, 0.12), transparent 60%);
  pointer-events: none;
}

/* paseli card cover */
.paseli-cover {
  background: #ffffff;
}
.paseli-img {
  max-width: 92%;
  max-height: 92%;
  object-fit: contain;
  display: block;
}

.card-title {
  font-size: 19px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}
.card-sub {
  font-size: 13px;
  color: #9aabd1;
  margin-bottom: 16px;
  line-height: 1.55;
  min-height: 40px;
}

.card-btn {
  width: 100%;
  padding: 11px;
  border: 1px solid rgba(120, 170, 255, 0.3);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  cursor: pointer;
  background: rgba(100, 150, 255, 0.12);
  color: #cfd8f5;
  transition: background 0.2s, filter 0.2s;
}
.card-btn.primary {
  background: linear-gradient(90deg, #06b6d4, #22d3ee);
  color: #02121d;
  border: none;
}
.card-btn.primary:hover { filter: brightness(1.08); }
.card-btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  filter: grayscale(0.3);
}

/* ===== Footer ===== */

.footer {
  max-width: 1080px;
  margin: 32px auto 0;
  text-align: center;
  color: #6a7aa0;
  font-size: 12px;
  letter-spacing: 1px;
  padding: 20px 24px;
}

/* ===== Responsive ===== */

@media (max-width: 640px) {
  body { padding: 24px 12px 32px; }
  .hero { padding: 32px 14px 24px; margin-bottom: 16px; border-radius: 18px; }
  .hero-title { letter-spacing: 3px; padding: 4px 16px; }
  .hero-sub { margin-top: 18px; font-size: 12px; padding: 6px 14px; letter-spacing: 1px; }
  .recommend { padding: 22px 14px 26px; border-radius: 18px; }
  .recommend-header { margin-bottom: 20px; padding-bottom: 14px; gap: 10px; }
  .star { width: 28px; height: 28px; font-size: 18px; }
  .recommend-header h2 { font-size: 17px; padding: 3px 14px; letter-spacing: 2px; }
  .cards { gap: 14px; grid-template-columns: 1fr; }
  .card { padding: 12px 12px 16px; border-radius: 14px; }
  .card-title { font-size: 17px; }
  .card-sub { font-size: 12px; min-height: 0; }
  .card-btn { padding: 10px; letter-spacing: 1px; }
  .footer { font-size: 11px; padding: 14px 12px; }
}

@media (max-width: 380px) {
  .hero { padding: 26px 12px 20px; }
  .hero-title { letter-spacing: 2px; padding: 3px 12px; }
  .hero-sub { font-size: 11px; }
  .recommend-header h2 { font-size: 15px; }
  .coin-icon { font-size: 64px; }
}