/* 赞助页：复用 guide.css 变量与顶栏，补充本页布局 */
.sponsor-page .hero {
  min-height: auto;
  padding: 3.5rem 0 2.5rem;
}

.sponsor-page .hero-inner {
  padding-bottom: 2rem;
}

.sponsor-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.25rem;
}

.sponsor-toc a {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 2px solid rgba(255, 193, 7, 0.35);
  background: rgba(58, 46, 36, 0.85);
  color: var(--gold-soft);
  font-size: 0.88rem;
  font-weight: 700;
}

.sponsor-toc a:hover {
  background: rgba(255, 193, 7, 0.18);
  color: var(--ink);
}

.policy-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.policy-card {
  background: linear-gradient(165deg, #463628 0%, #2f251c 100%);
  border: var(--chunk);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem 1.2rem;
  box-shadow: 0 6px 0 #1a120c;
}

.policy-card .tier {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--gold);
  margin-bottom: 0.45rem;
}

.policy-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.12rem;
  color: var(--bone);
}

.policy-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.policy-card .example {
  margin-top: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.28);
  border-left: 3px solid var(--lava);
  color: var(--ink);
  font-size: 0.88rem;
}

.ratio-banner {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin: 1rem 0 1.25rem;
}

.ratio-item {
  text-align: center;
  padding: 1rem 0.75rem;
  border-radius: var(--radius);
  border: var(--chunk);
  background: linear-gradient(180deg, #5a3d1c 0%, #3a2a14 100%);
  box-shadow: 0 4px 0 #1a120c;
}

.ratio-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.55rem;
  color: var(--gold);
  line-height: 1.2;
}

.ratio-item span {
  color: var(--muted);
  font-size: 0.85rem;
}

.note-box {
  margin: 1rem 0 0;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 87, 34, 0.12);
  border: 1px solid rgba(255, 87, 34, 0.35);
  color: var(--ink);
  font-size: 0.95rem;
}

.note-box.green {
  background: rgba(76, 175, 80, 0.12);
  border-color: rgba(76, 175, 80, 0.4);
}

.shot-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 1rem;
}

.shot-card {
  margin: 0;
  border: var(--chunk);
  border-radius: var(--radius);
  overflow: hidden;
  background: #1a120c;
  box-shadow: 0 6px 0 #120e0a;
}

.shot-card img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
  cursor: zoom-in;
}

.shot-card figcaption {
  padding: 0.55rem 0.75rem;
  font-size: 0.82rem;
  color: var(--muted);
  background: #2a2018;
}

.gift-list {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.gift-list li {
  position: relative;
  padding: 0.45rem 0.5rem 0.45rem 1.35rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.95rem;
}

.gift-list li::before {
  content: "◆";
  position: absolute;
  left: 0.15rem;
  color: var(--gold);
  font-size: 0.75rem;
  top: 0.55rem;
}

.pack-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.pack-card {
  border: var(--chunk);
  border-radius: var(--radius);
  background: linear-gradient(165deg, #463628 0%, #2a2018 100%);
  box-shadow: 0 6px 0 #1a120c;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pack-card header {
  padding: 0.9rem 1rem 0.75rem;
  background: linear-gradient(180deg, rgba(255, 87, 34, 0.28), transparent);
  border-bottom: 1px solid var(--line);
}

.pack-card.a header { background: linear-gradient(180deg, rgba(76, 175, 80, 0.25), transparent); }
.pack-card.b header { background: linear-gradient(180deg, rgba(33, 150, 243, 0.28), transparent); }
.pack-card.c header { background: linear-gradient(180deg, rgba(255, 193, 7, 0.28), transparent); }
.pack-card.d header { background: linear-gradient(180deg, rgba(156, 39, 176, 0.3), transparent); }

.pack-card .price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--gold);
}

.pack-card h3 {
  margin: 0.15rem 0 0;
  font-size: 1.15rem;
  color: var(--bone);
}

.pack-card ul {
  margin: 0;
  padding: 0.75rem 1rem 0.35rem;
  list-style: none;
  flex: 1;
}

.pack-card li {
  padding: 0.35rem 0;
  border-bottom: 1px dashed var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.pack-card li strong {
  color: var(--ink);
  font-weight: 600;
}

.pack-card footer {
  padding: 0.75rem 1rem 1rem;
  color: var(--gold-soft);
  font-size: 0.88rem;
  font-weight: 700;
}

.sku-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: var(--radius);
  border: var(--chunk);
}

.sku-table th,
.sku-table td {
  padding: 0.7rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.sku-table th {
  background: #3a2e24;
  color: var(--gold-soft);
  font-size: 0.9rem;
}

.sku-table td {
  background: rgba(42, 32, 24, 0.65);
  color: var(--ink);
  font-size: 0.92rem;
}

.sku-table tr:last-child td { border-bottom: 0; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.82);
}

.lightbox[hidden] { display: none; }

.lightbox img {
  max-width: min(960px, 96vw);
  max-height: 90vh;
  border-radius: 12px;
  border: 3px solid #5a4634;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 12px;
  border: var(--chunk);
  background: #3a2e24;
  color: var(--gold);
  font-size: 1.4rem;
  cursor: pointer;
}

.topnav nav a.on {
  color: var(--ink);
  background: rgba(255, 193, 7, 0.16);
}