/* Hero · 全屏沉浸（官网站形）+ 仙侠云雾遮罩 */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: calc(var(--nav-h) + 1.5rem) 1.25rem clamp(3rem, 7vh, 4.5rem);
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: url("images/hero-keyart.jpg") center 30% / cover no-repeat;
  background-image: image-set(
    url("images/hero-keyart.webp") type("image/webp"),
    url("images/hero-keyart.jpg") type("image/jpeg")
  );
  transform: scale(1.06);
  animation: heroKenBurns 28s var(--ease) infinite alternate;
}
@keyframes heroKenBurns {
  from { transform: scale(1.04); }
  to { transform: scale(1.1); }
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(15, 14, 12, 0.2) 0%, rgba(15, 14, 12, 0.12) 32%, rgba(15, 14, 12, 0.82) 72%, rgba(15, 14, 12, 0.96) 100%),
    radial-gradient(ellipse 85% 55% at 50% 18%, var(--mist) 0%, transparent 58%);
}
.hero-inner { position: relative; z-index: 2; max-width: 960px; width: 100%; }

.hero-scroll-hint {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  color: var(--muted);
  text-decoration: none;
  opacity: 0.75;
  animation: heroHintFloat 2.4s ease-in-out infinite;
}
.hero-scroll-hint:hover { color: var(--accent-bright); }
.hero-scroll-hint::after {
  content: "";
  width: 1px;
  height: 1.75rem;
  background: linear-gradient(180deg, var(--accent), transparent);
}
@keyframes heroHintFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.75; }
  50% { transform: translateX(-50%) translateY(5px); opacity: 0.45; }
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-en); font-size: 0.68rem;
  letter-spacing: 0.28em; color: var(--gold);
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--gold-dim);
  border-radius: 999px;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.9s var(--ease) both;
}
.hero h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.8rem, 10vw, 4.8rem);
  margin: 0 0 0.35rem; letter-spacing: 0.22em;
  line-height: 1.12;
  text-shadow: 0 2px 48px rgba(0, 0, 0, 0.55);
  animation: fadeUp 0.9s 0.08s var(--ease) both;
}
.hero-title-en {
  font-family: var(--font-en); font-size: 0.78rem;
  letter-spacing: 0.42em; color: var(--accent);
  margin: 0 0 1.75rem;
  animation: fadeUp 0.9s 0.12s var(--ease) both;
}
.hero-hook {
  font-size: clamp(1.15rem, 2.8vw, 1.45rem);
  font-weight: 400; line-height: 1.65;
  margin: 0 0 1.25rem;
  animation: fadeUp 0.9s 0.18s var(--ease) both;
}
.hero-lead {
  color: var(--muted); font-weight: 300; font-size: 0.95rem;
  max-width: 32em; margin: 0 auto 1.75rem; line-height: 1.9;
  animation: fadeUp 0.9s 0.24s var(--ease) both;
}

.hero-chips {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  justify-content: center; margin-bottom: 2rem;
  animation: fadeUp 0.9s 0.3s var(--ease) both;
}
.chip {
  font-size: 0.72rem; letter-spacing: 0.12em;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px; color: var(--muted);
  background: rgba(255,255,255,0.02);
}
.chip--gold { color: var(--gold); border-color: var(--gold-dim); }

.hero-actions {
  display: flex; flex-wrap: wrap; gap: 1rem;
  align-items: center; justify-content: center;
  animation: fadeUp 0.9s 0.36s var(--ease) both;
}
.hero-actions[data-sales-off] { display: none; }
html.sales-off .hero-actions[data-sales-off] { display: flex; }
.btn-primary {
  padding: 0.95rem 2.2rem;
  font-family: inherit; font-size: 0.92rem;
  letter-spacing: 0.14em;
  cursor: pointer;
}
.hero-pricing {
  display: flex; flex-direction: column; align-items: flex-start; gap: 0.25rem;
}
.price-tag {
  font-family: var(--font-en); font-size: 0.82rem;
  letter-spacing: 0.08em; color: var(--muted);
}
.price-tag strong { color: var(--gold); font-weight: 400; }
.hero-note { font-size: 0.72rem; color: var(--muted); opacity: 0.8; margin: 0.75rem 0 0; }

.hero-tiers {
  width: 100%;
  max-width: 960px;
  margin: 0 auto 1.25rem;
  animation: fadeUp 0.9s 0.36s var(--ease) both;
}
.hero-tiers-head { text-align: center; margin-bottom: 1.25rem; }
.hero-tiers-head .section-label { margin-bottom: 0.35rem; }
.hero-tiers-intro {
  margin: 0; font-size: 0.88rem; color: var(--muted); line-height: 1.75;
}
.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  text-align: left;
  align-items: stretch;
}
@media (max-width: 820px) { .tier-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; } }
.tier-card {
  position: relative;
  display: flex; flex-direction: column;
  padding: 0;
  background: linear-gradient(180deg, rgba(32, 28, 24, 0.95) 0%, rgba(22, 20, 18, 0.92) 100%);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s var(--ease), box-shadow 0.25s;
}
.tier-card:hover {
  border-color: rgba(201, 169, 98, 0.45);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}
.tier-card.is-owned { opacity: 0.78; border-color: rgba(125, 154, 122, 0.45); }
.tier-card--entry { --tier-accent: #8ba888; }
.tier-card--featured {
  --tier-accent: var(--gold);
  border-color: rgba(201, 169, 98, 0.55);
  box-shadow: 0 0 0 1px rgba(201, 169, 98, 0.14), 0 18px 52px rgba(0, 0, 0, 0.38);
  transform: translateY(-4px);
}
.tier-card--featured:hover { transform: translateY(-6px); }
.tier-card--apex {
  --tier-accent: #d4b86a;
  border-color: rgba(212, 184, 106, 0.5);
  background: linear-gradient(180deg, rgba(38, 32, 22, 0.98) 0%, rgba(24, 20, 14, 0.94) 100%);
}
.tier-card-topline {
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--tier-accent, var(--accent)), transparent);
  opacity: 0.85;
}
.tier-ribbon {
  position: absolute; top: 0.85rem; right: -2rem; z-index: 2;
  width: 7.5rem; padding: 0.22rem 0;
  font-size: 0.62rem; letter-spacing: 0.22em; text-align: center;
  color: var(--bg); background: linear-gradient(135deg, var(--gold), #a88640);
  transform: rotate(36deg);
  box-shadow: 0 2px 12px rgba(201, 169, 98, 0.35);
}
.tier-card-body {
  display: flex; flex-direction: column; flex: 1;
  padding: 1.15rem 1.05rem 1rem;
}
.tier-card-head {
  padding-bottom: 0.85rem;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid rgba(201, 169, 98, 0.1);
}
.tier-tag {
  display: inline-block;
  font-size: 0.62rem; letter-spacing: 0.2em;
  padding: 0.22rem 0.55rem;
  margin-bottom: 0.55rem;
  color: var(--tier-accent, var(--accent));
  border: 1px solid rgba(201, 169, 98, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}
.tier-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.45rem);
  font-weight: 400;
  letter-spacing: 0.14em;
  margin: 0 0 0.35rem;
  color: var(--text);
}
.tier-card--featured .tier-title { color: var(--gold); }
.tier-card--apex .tier-title { color: #e8d4a8; }
.tier-desc {
  margin: 0 0 0.75rem;
  font-size: 0.72rem; line-height: 1.6;
  color: var(--muted); letter-spacing: 0.04em;
}
.tier-price {
  display: flex; align-items: baseline; gap: 0.1rem;
  font-family: var(--font-display);
  font-size: 2rem; line-height: 1;
  color: var(--gold); letter-spacing: 0.04em; margin: 0;
}
.tier-price-currency { font-size: 1rem; opacity: 0.85; }
.tier-price-note {
  margin: 0.35rem 0 0;
  font-size: 0.65rem; letter-spacing: 0.12em; color: var(--muted);
}
.tier-name { display: none; }
.tier-features {
  list-style: none; margin: 0 0 1rem; padding: 0;
  flex: 1; font-size: 0.78rem; color: var(--text); line-height: 1.65;
}
.tier-features li {
  position: relative; padding-left: 1.1rem; margin-bottom: 0.38rem;
}
.tier-features li::before {
  content: "◦"; position: absolute; left: 0; color: var(--tier-accent, var(--accent));
}
.tier-steam {
  font-size: 0.7rem; color: var(--accent-bright);
  margin: 0 0 0.85rem; line-height: 1.55;
  padding: 0.55rem 0.65rem;
  background: rgba(125, 154, 122, 0.08);
  border-left: 2px solid rgba(125, 154, 122, 0.35);
}
.tier-steam strong {
  color: var(--gold);
  font-weight: 400;
}
.tier-select-btn {
  width: 100%; padding: 0.78rem 0.5rem;
  font-family: inherit; font-size: 0.78rem; letter-spacing: 0.12em;
  color: var(--bg); background: linear-gradient(135deg, var(--gold), #a88640);
  border: none; border-radius: 2px; cursor: pointer;
  transition: opacity 0.2s, box-shadow 0.2s;
}
.tier-select-btn:hover:not(:disabled) {
  box-shadow: 0 4px 20px rgba(201, 169, 98, 0.3);
}
.tier-card--entry .tier-select-btn {
  background: linear-gradient(135deg, #8ba888, #6d8569);
}
.tier-card--apex .tier-select-btn {
  background: linear-gradient(135deg, #d4b86a, #a88640);
}
.tier-select-btn:disabled {
  cursor: default; opacity: 0.55;
  background: rgba(125, 154, 122, 0.35); color: var(--text);
  box-shadow: none;
}
.hero-stats { margin-top: 0.5rem; }
.hero-retail {
  margin: 0.85rem 0 0;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  line-height: 1.65;
  color: var(--muted);
  text-align: center;
}
.hero-retail strong {
  color: var(--gold);
  font-weight: 400;
  letter-spacing: 0.04em;
}

.account-widget { position: relative; }
.account-btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.38rem 0.65rem; font-size: 0.72rem; font-family: inherit;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 2px; color: var(--text); cursor: pointer;
  max-width: 9.5rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.account-btn:hover { border-color: var(--gold-dim); color: var(--gold); }
.account-login-link {
  font-size: 0.72rem; color: var(--muted); background: none; border: none;
  cursor: pointer; font-family: inherit; letter-spacing: 0.04em;
}
.account-login-link:hover { color: var(--gold); }

.account-form-msg, .pay-form-msg {
  min-height: 1.2rem; font-size: 0.82rem; text-align: center;
  color: var(--muted); margin: 0.5rem 0 0;
}
.account-form-msg.is-ok, .pay-form-msg.is-ok { color: var(--accent-bright); }
.account-form-msg.is-error, .pay-form-msg.is-error { color: #c48070; }

.account-detail { display: grid; gap: 0.85rem; margin-bottom: 1rem; }
.account-detail-row {
  display: flex; justify-content: space-between; gap: 1rem;
  font-size: 0.85rem; padding-bottom: 0.65rem;
  border-bottom: 1px solid rgba(201,169,98,0.08);
}
.account-detail-row span:first-child { color: var(--muted); }
.account-detail-row span:last-child { color: var(--text); text-align: right; word-break: break-all; }
.account-actions { display: flex; flex-direction: column; gap: 0.55rem; }
.account-actions button {
  padding: 0.75rem; font-family: inherit; letter-spacing: 0.08em;
  border-radius: 2px; cursor: pointer;
}
.btn-ghost {
  background: transparent; border: 1px solid var(--border); color: var(--muted);
}
.btn-ghost:hover { border-color: var(--gold-dim); color: var(--gold); }

.pay-step[hidden] { display: none !important; }
.pay-summary {
  display: grid; gap: 0.55rem; margin-bottom: 1rem;
  padding: 0.85rem; background: rgba(0,0,0,0.22); border: 1px solid var(--border);
}
.pay-summary-row {
  display: flex; justify-content: space-between; gap: 1rem; font-size: 0.85rem;
}
.pay-summary-row span:first-child { color: var(--muted); }
.pay-qr-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin: 1rem 0;
}
@media (max-width: 480px) { .pay-qr-grid { grid-template-columns: 1fr; } }
.pay-qr-box {
  text-align: center; padding: 0.65rem;
  border: 1px solid var(--border); background: rgba(0,0,0,0.18);
}
.pay-qr-box p { margin: 0 0 0.45rem; font-size: 0.75rem; color: var(--muted); }
.pay-qr-box img { width: 100%; max-width: 180px; height: auto; display: block; margin: 0 auto; }
.pay-demo-note {
  font-size: 0.78rem; color: var(--accent-bright); text-align: center; margin: 0.5rem 0 0;
}
#payOrderForm, #loginForm { display: flex; flex-direction: column; gap: 0.7rem; }
#payOrderForm input[type="email"],
#loginForm input[type="email"],
#payCaptchaInput,
#loginCaptchaInput {
  width: 100%; padding: 0.8rem 1rem;
  font-family: inherit; font-size: 1rem;
  color: var(--text); background: rgba(0,0,0,0.3);
  border: 1px solid var(--border); border-radius: 2px;
}
#payOrderForm button[type="submit"] {
  padding: 0.85rem; cursor: pointer;
  font-family: inherit; letter-spacing: 0.1em;
  color: var(--bg); background: var(--gold);
  border: none; border-radius: 2px;
}
#loginForm button[type="submit"] {
  padding: 0.85rem; cursor: pointer;
  font-family: inherit; letter-spacing: 0.1em;
  color: var(--bg); background: var(--gold);
  border: none; border-radius: 2px;
}

/* Showcase gallery */
.showcase {
  position: relative; z-index: 10;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2rem) clamp(3rem, 6vw, 4.5rem);
}
.showcase-head { text-align: center; margin-bottom: 1.5rem; }
.showcase-head h2 { margin-bottom: 0.65rem; }
.showcase-head .section-intro { margin: 0 auto; max-width: 36em; }
.showcase-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(201, 169, 98, 0.08) inset;
  background: #000;
}
.showcase-stage .showcase-media {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: none;
}
.showcase-stage .showcase-media.is-active { display: block; }
.showcase-stage video.showcase-media {
  object-fit: contain;
  background: #000;
}
.showcase-stage picture.showcase-media,
.showcase-stage picture.showcase-media img {
  width: 100%; height: 100%;
}
.showcase-stage img {
  object-fit: cover;
  display: block;
  transition: opacity 0.45s var(--ease), transform 8s var(--ease);
}
.showcase-stage:hover img { transform: scale(1.03); }
.showcase-caption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
  padding: 2.5rem 1.25rem 1rem;
  text-align: left;
  background: linear-gradient(180deg, transparent, rgba(8, 7, 6, 0.92));
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  letter-spacing: 0.1em;
  color: var(--text);
  pointer-events: none;
}
.showcase-disclaimer {
  display: block; margin-top: 0.35rem;
  font-size: 0.68rem; letter-spacing: 0.18em;
  color: var(--muted);
}
.showcase-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 0.85rem;
}
@media (max-width: 1024px) { .showcase-thumbs { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px) { .showcase-thumbs { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .showcase-thumbs { grid-template-columns: 1fr; } }
.showcase-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-elevated);
  font: inherit; color: inherit;
  transition: border-color 0.25s, transform 0.25s var(--ease);
}
.showcase-thumb:hover { transform: translateY(-2px); border-color: rgba(201, 169, 98, 0.45); }
.showcase-thumb.is-active {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--gold-dim), 0 8px 28px rgba(201, 169, 98, 0.15);
}
.showcase-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.showcase-thumb span {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 0.45rem 0.55rem;
  font-size: 0.72rem; letter-spacing: 0.06em;
  color: var(--text);
  background: linear-gradient(180deg, transparent, rgba(8, 7, 6, 0.88));
}
.showcase-thumb-play {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 2.4rem; height: 2.4rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; color: var(--ink-deep, #0f0e0c);
  background: rgba(201, 169, 98, 0.92);
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
  pointer-events: none;
}

.why-card--visual { padding: 0; overflow: hidden; }
.why-card-media {
  height: 148px;
  background-size: cover;
  background-position: center;
}
.why-card-media--combat {
  background-image: url("images/showcase-combat.jpg");
  background-image: image-set(
    url("images/showcase-combat.webp") type("image/webp"),
    url("images/showcase-combat.jpg") type("image/jpeg")
  );
}
.why-card-media--cultivation {
  background-image: url("images/showcase-cultivation.jpg");
  background-image: image-set(
    url("images/showcase-cultivation.webp") type("image/webp"),
    url("images/showcase-cultivation.jpg") type("image/jpeg")
  );
}
.why-card-media--city {
  background-image: url("images/showcase-city.jpg");
  background-image: image-set(
    url("images/showcase-city.webp") type("image/webp"),
    url("images/showcase-city.jpg") type("image/jpeg")
  );
}
.why-card-body { padding: 1.5rem 1.35rem 1.65rem; }

.exp-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.exp-visual {
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}
.exp-visual img {
  display: block;
  width: 100%;
  height: min(380px, 48vw);
  object-fit: cover;
  object-position: center 42%;
}
@media (max-width: 720px) {
  .exp-visual img { height: min(240px, 56vw); }
}
.loop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
@media (max-width: 720px) { .loop-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px) { .loop-grid { grid-template-columns: 1fr; } }
.loop-step {
  padding: 1.1rem 0.85rem;
  text-align: center;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.loop-step:hover {
  border-color: rgba(201, 169, 98, 0.35);
  transform: translateY(-2px);
}
.loop-step-num {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: var(--gold);
  margin-bottom: 0.45rem;
}
.loop-step-label {
  display: block;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  color: var(--accent-bright);
  line-height: 1.5;
}

.empire-banner {
  margin: 0 0 2rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  max-height: 300px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}
.empire-banner img {
  display: block; width: 100%; height: min(300px, 42vw);
  object-fit: cover; object-position: center 55%;
}

.reserve-stats {
  margin: 0; font-size: 0.82rem; color: var(--muted);
}
.reserve-stats [data-reserve-count] {
  font-family: var(--font-en); font-size: 1.35rem;
  color: var(--gold); margin-right: 0.25rem;
}
.reserve-stats [data-reserve-count] {
  display: inline-block;
  transition: transform 0.35s var(--ease), color 0.35s var(--ease);
}
.reserve-stats [data-reserve-count].is-tick {
  animation: countTick 0.55s var(--ease);
}
@keyframes countTick {
  0% { transform: scale(1); color: var(--gold); }
  35% { transform: scale(1.14); color: var(--accent-bright); }
  100% { transform: scale(1); color: var(--gold); }
}

/* Why cards */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.why-card {
  padding: 1.75rem 1.5rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.why-card:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 169, 98, 0.35);
}
.why-num {
  font-family: var(--font-en); font-size: 0.65rem;
  letter-spacing: 0.2em; color: var(--gold);
  margin-bottom: 0.65rem;
}
.why-card h3 {
  margin: 0 0 0.6rem; font-size: 1.05rem;
  letter-spacing: 0.06em; font-weight: 400;
}
.why-card p {
  margin: 0; font-size: 0.88rem; color: var(--muted);
  font-weight: 300; line-height: 1.8;
}

.quote-block {
  margin-top: 2.5rem; padding: 2rem;
  text-align: center;
  border-left: 2px solid var(--accent);
  background: linear-gradient(90deg, rgba(125,154,122,0.06), transparent);
}
.quote-block p {
  margin: 0; font-size: 1.05rem; font-weight: 300;
  font-style: italic; line-height: 1.85;
}
.quote-block cite {
  display: block; margin-top: 0.85rem;
  font-size: 0.75rem; color: var(--muted);
  font-style: normal; letter-spacing: 0.15em;
}

/* Worlds · 一境一世界 */
.worlds-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (max-width: 820px) { .worlds-grid { grid-template-columns: 1fr; } }
.world-card {
  position: relative;
  padding: 1.5rem 1.35rem 1.35rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), border-color 0.25s;
}
.world-card:hover { transform: translateY(-3px); }
.world-card--mortal { border-top: 2px solid rgba(139, 168, 136, 0.65); }
.world-card--spirit { border-top: 2px solid rgba(120, 176, 196, 0.7); }
.world-card--immortal { border-top: 2px solid var(--gold); }
.world-card--divine { border-top: 2px solid rgba(196, 168, 220, 0.75); }
.world-card-tag {
  display: inline-block;
  font-size: 0.62rem; letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 0.55rem;
}
.world-card-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.65rem);
  font-weight: 400;
  letter-spacing: 0.18em;
}
.world-card--mortal .world-card-title { color: rgba(180, 204, 178, 0.95); }
.world-card--spirit .world-card-title { color: rgba(150, 200, 218, 0.95); }
.world-card--immortal .world-card-title { color: var(--gold); }
.world-card--divine .world-card-title { color: rgba(210, 188, 232, 0.95); }
.world-card-lead {
  margin: 0 0 0.85rem;
  font-size: 0.86rem; font-weight: 300;
  color: var(--text);
  line-height: 1.8;
}
.world-card-feats {
  margin: 0; padding: 0; list-style: none;
}
.world-card-feats li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.8rem; font-weight: 300;
  color: var(--muted);
  line-height: 1.7;
}
.world-card-feats li + li { margin-top: 0.35rem; }
.world-card-feats li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 0.35rem; height: 0.35rem;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.45;
}
.world-card--mortal .world-card-feats li::before { color: rgba(139, 168, 136, 0.9); }
.world-card--spirit .world-card-feats li::before { color: rgba(120, 176, 196, 0.9); }
.world-card--immortal .world-card-feats li::before { color: var(--gold); }
.world-card--divine .world-card-feats li::before { color: rgba(196, 168, 220, 0.9); }
.worlds-note {
  margin: 1.25rem 0 0;
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  font-weight: 300;
}

/* Feature cards */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.feat-card {
  position: relative;
  padding: 1.35rem 1.25rem 1.25rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: transform 0.25s var(--ease);
}
.feat-card:hover { transform: translateY(-3px); }
.feat-card--soon {
  background: rgba(28, 25, 22, 0.55);
  border-style: dashed;
  border-color: rgba(168, 144, 96, 0.25);
}
.feat-badge {
  display: inline-block;
  font-size: 0.62rem; letter-spacing: 0.12em;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  margin-bottom: 0.65rem;
}
.feat-badge--live {
  color: var(--live);
  background: rgba(139, 168, 136, 0.12);
  border: 1px solid rgba(139, 168, 136, 0.3);
}
.feat-badge--soon {
  color: var(--soon);
  background: rgba(168, 144, 96, 0.1);
  border: 1px solid rgba(168, 144, 96, 0.28);
}
.feat-card h3 {
  margin: 0 0 0.45rem; font-size: 0.95rem;
  letter-spacing: 0.05em; font-weight: 400;
}
.feat-card p {
  margin: 0; font-size: 0.84rem; color: var(--muted);
  font-weight: 300; line-height: 1.75;
}

/* Realms ladder */
.realm-ladder-wrap {
  padding: 0.5rem 0 0.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(201, 169, 98, 0.35) transparent;
}
.realm-ladder {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.15rem;
  min-width: min(100%, 52rem);
  margin: 0 auto;
  padding: 1.75rem 0.75rem 1rem;
  background: linear-gradient(180deg, rgba(28, 25, 22, 0.55), rgba(20, 18, 16, 0.35));
  border: 1px solid var(--border);
  border-radius: 2px;
}
.realm-ladder::before {
  content: "";
  position: absolute;
  top: calc(1.75rem + 0.875rem);
  left: 6%;
  right: 6%;
  height: 2px;
  background: linear-gradient(
    90deg,
    rgba(156, 150, 138, 0.45),
    rgba(125, 154, 122, 0.65) 35%,
    rgba(163, 196, 160, 0.75) 65%,
    rgba(201, 169, 98, 0.95)
  );
  z-index: 0;
}
.realm-node {
  flex: 1 0 auto;
  min-width: 3.1rem;
  text-align: center;
  position: relative;
  z-index: 1;
}
.realm-node-dot {
  display: block;
  width: 1.75rem; height: 1.75rem;
  margin: 0 auto;
  border-radius: 50%;
  border: 2px solid rgba(156, 150, 138, 0.55);
  background: var(--bg-elevated);
  box-shadow: 0 0 0 3px rgba(20, 18, 16, 0.85);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.realm-node:nth-child(4) .realm-node-dot,
.realm-node:nth-child(5) .realm-node-dot,
.realm-node:nth-child(6) .realm-node-dot {
  border-color: rgba(125, 154, 122, 0.75);
}
.realm-node:nth-child(7) .realm-node-dot,
.realm-node:nth-child(8) .realm-node-dot,
.realm-node:nth-child(9) .realm-node-dot {
  border-color: rgba(163, 196, 160, 0.85);
}
.realm-node--start .realm-node-dot { border-color: rgba(236, 232, 223, 0.55); }
.realm-node--peak .realm-node-dot {
  border-color: var(--gold);
  background: rgba(201, 169, 98, 0.18);
  box-shadow: 0 0 0 3px rgba(20, 18, 16, 0.85), 0 0 16px rgba(201, 169, 98, 0.35);
}
.realm-node-label {
  display: block;
  margin-top: 0.6rem;
  font-size: clamp(0.68rem, 1.15vw, 0.82rem);
  letter-spacing: 0.06em;
  color: var(--muted);
  white-space: nowrap;
  line-height: 1.35;
}
.realm-node--start .realm-node-label { color: var(--text); }
.realm-node--peak .realm-node-label { color: var(--gold); }
@media (max-width: 720px) {
  .realm-ladder { min-width: 42rem; }
  .realm-node { min-width: 3.5rem; }
}

/* Pledge */
.pledge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
}
.pledge-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 1rem 1.15rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  font-size: 0.88rem; letter-spacing: 0.04em;
}
.pledge-item::before {
  content: "✓"; flex-shrink: 0;
  width: 1.5rem; height: 1.5rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 400;
  color: var(--bg);
  background: var(--accent);
  border-radius: 50%;
}

/* Empire / 经营沙盘 */
.empire-split {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}
@media (max-width: 960px) { .empire-split { grid-template-columns: 1fr; } }
.empire-panel {
  padding: 1.75rem 1.5rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 2px;
  position: relative;
}
.empire-panel--sect { border-top: 2px solid var(--accent); }
.empire-panel--guild { border-top: 2px solid var(--accent-bright); }
.empire-panel--biz { border-top: 2px solid var(--gold); }
.empire-panel-tag {
  font-family: var(--font-en); font-size: 0.62rem;
  letter-spacing: 0.28em; color: var(--gold);
  margin-bottom: 0.5rem;
}
.empire-panel h3 {
  margin: 0 0 0.65rem; font-size: 1.1rem;
  letter-spacing: 0.06em; font-weight: 400;
}
.empire-panel p {
  margin: 0; font-size: 0.88rem; color: var(--muted);
  font-weight: 300; line-height: 1.85;
}
.shop-section h3 {
  font-size: 0.95rem; letter-spacing: 0.08em;
  color: var(--gold); margin: 0 0 1rem;
  font-weight: 400; text-align: center;
}
.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}
.shop-tile {
  padding: 1.1rem 0.85rem;
  text-align: center;
  background: rgba(201, 169, 98, 0.04);
  border: 1px solid rgba(201, 169, 98, 0.2);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), border-color 0.25s;
}
.shop-tile:hover {
  transform: translateY(-2px);
  border-color: rgba(201, 169, 98, 0.45);
}
.shop-tile-icon {
  font-size: 1.5rem; margin-bottom: 0.4rem;
  line-height: 1;
}
.shop-tile strong {
  display: block; font-size: 0.88rem;
  letter-spacing: 0.06em; margin-bottom: 0.25rem;
  color: var(--text);
}
.shop-tile span {
  font-size: 0.75rem; color: var(--muted);
  font-weight: 300; line-height: 1.5;
}
.shop-tile--more {
  border-style: dashed;
  border-color: rgba(201, 169, 98, 0.28);
  background: rgba(201, 169, 98, 0.03);
}
.shop-tile--more strong { color: var(--gold); }
.shop-tile--more .shop-tile-icon {
  font-size: 1.25rem; letter-spacing: 0.2em; color: var(--gold);
}
.empire-note {
  text-align: center; font-size: 0.8rem;
  color: var(--muted); margin: 0 0 1.5rem;
  font-weight: 300;
}

/* Pledge */
.cta-box {
  text-align: center;
  padding: clamp(2.5rem, 5vw, 3.5rem);
  background: linear-gradient(135deg, rgba(125,154,122,0.08), rgba(201,169,98,0.06));
  border: 1px solid var(--border);
  border-radius: 2px;
}
.cta-box .section-intro { margin-left: auto; margin-right: auto; }
#reserveForm { display: flex; flex-direction: column; gap: 0.7rem; }
#reserveForm input[type="email"],
#reserveForm input#reserveCaptchaInput {
  width: 100%; padding: 0.8rem 1rem;
  font-family: inherit; font-size: 1rem;
  color: var(--text); background: rgba(0,0,0,0.3);
  border: 1px solid var(--border); border-radius: 2px;
  box-sizing: border-box;
}
#reserveForm input:focus { outline: none; border-color: var(--accent); }
.reserve-captcha-row {
  display: flex; flex-direction: column; gap: 0.55rem;
}
.reserve-captcha-display-wrap { display: flex; align-items: center; gap: 0.6rem; }
#reserveCaptchaDigits {
  padding: 0.5rem 0.85rem; font-size: 1.3rem;
  letter-spacing: 0.35em; color: var(--gold);
  background: rgba(0,0,0,0.3); border: 1px solid var(--border);
}
#reserveCaptchaRefresh {
  padding: 0.4rem 0.6rem; cursor: pointer;
  background: rgba(0,0,0,0.3); border: 1px solid var(--border);
  color: var(--accent); font-family: inherit;
}
#reserveForm button[type="submit"] {
  width: 100%; padding: 0.85rem; cursor: pointer;
  font-family: inherit; letter-spacing: 0.1em;
  color: var(--bg); background: var(--gold);
  border: none; border-radius: 2px;
}
.reserve-form-msg { min-height: 1.2rem; font-size: 0.82rem; text-align: center; color: var(--muted); margin: 0.5rem 0 0; }
.reserve-form-msg.is-ok { color: var(--accent-bright); }
.reserve-form-msg.is-error { color: #c48070; }

/* Modal */
.modal {
  position: fixed; inset: 0; z-index: 500;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  opacity: 0; visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s, visibility 0.3s;
}
.modal.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.7); }
.modal-panel {
  position: relative; width: min(400px, 100%);
  padding: 2rem; background: var(--bg-elevated);
  border: 1px solid var(--border);
}
.modal-panel--wide { width: min(460px, 100%); }
.modal-close {
  position: absolute; top: 0.65rem; right: 0.65rem;
  background: none; border: none; color: var(--muted);
  font-size: 1.4rem; cursor: pointer;
}
.modal-panel h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.5rem; letter-spacing: 0.1em;
  color: var(--gold);
}
.modal-panel > p { margin: 0 0 1.25rem; font-size: 0.88rem; color: var(--muted); }

footer {
  position: relative; z-index: 10;
  text-align: center; padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted); font-size: 0.78rem;
  background: rgba(20, 18, 16, 0.85);
}
footer .logo { display: inline-flex; margin-bottom: 0.5rem; }
footer p { margin: 0.2rem 0; }

.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: rgba(20, 18, 16, 0.98);
    padding: 1.25rem; border-bottom: 1px solid var(--border);
  }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-bg { animation: none; transform: none; }
  .showcase-stage img { transition: none; }
  .reveal, .hero-badge, .hero h1, .hero-hook, .hero-lead, .hero-chips, .hero-actions { animation: none; opacity: 1; transform: none; transition: none; }
}