.catalog-hero { padding: 82px 0 76px; }
.catalog-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .58fr); align-items: center; gap: 30px; min-height: 430px; }
.catalog-copy { position: relative; z-index: 2; }
.catalog-hero h1 { margin-top: 22px; font-size: clamp(44px, 7vw, 78px); line-height: 1; letter-spacing: -.055em; }
.catalog-hero h1 span { display: block; margin-top: 10px; color: transparent; background: linear-gradient(100deg, var(--accent), var(--accent-2), #d5c7ff); background-clip: text; -webkit-background-clip: text; }
.catalog-hero p { max-width: 660px; margin: 24px 0 0; color: var(--muted); font-size: 17px; line-height: 1.85; }
.catalog-guide-wrap { position: relative; align-self: stretch; display: grid; place-items: center; min-height: 420px; }
.catalog-guide-wrap::before { content: ""; position: absolute; width: 84%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(var(--accent-rgb), .2), rgba(var(--accent-rgb), .04) 52%, transparent 70%); filter: blur(2px); }
.catalog-guide-art { position: relative; z-index: 1; width: min(100%, 360px); max-height: 440px; object-fit: contain; filter: drop-shadow(0 24px 30px rgba(0, 8, 30, .42)); animation: guide-float 5s ease-in-out infinite; }
.guide-bubble { position: absolute; z-index: 2; top: 14%; right: 0; padding: 10px 15px; border: 1px solid rgba(255,255,255,.16); border-radius: 18px 18px 18px 5px; color: #08213a; background: linear-gradient(135deg, #fff, #bcefff); box-shadow: 0 12px 28px rgba(0,0,0,.24); font-size: 13px; font-weight: 850; transform: rotate(3deg); }
@keyframes guide-float { 0%, 100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-10px) rotate(1deg); } }

.platform-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 38px; text-align: left; }
.platform-link { position: relative; overflow: hidden; display: flex; align-items: center; gap: 18px; padding: 22px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(140deg, rgba(14, 42, 77, .82), rgba(6, 21, 41, .78)); box-shadow: var(--shadow); text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.platform-link:hover { transform: translateY(-4px); border-color: rgba(var(--accent-rgb), .42); }
.platform-symbol { flex: none; width: 58px; height: 58px; display: grid; place-items: center; border-radius: 18px; color: #061522; background: linear-gradient(135deg, var(--accent), #efffff); font-size: 25px; }
.platform-link h2 { font-size: 21px; }
.platform-link p { margin: 5px 0 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.platform-link .count { margin-left: auto; padding: 7px 10px; border-radius: 999px; color: var(--success); background: rgba(77, 226, 180, .08); font-size: 11px; font-weight: 800; white-space: nowrap; }
.platform-link.soon .platform-symbol { color: var(--muted); background: rgba(255,255,255,.07); }
.platform-link.soon .count { color: #c3b5ed; background: rgba(177,154,255,.09); }

.catalog-section { scroll-margin-top: 78px; padding: 84px 0; }
.catalog-title { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.catalog-title .kicker { color: var(--accent); font-size: 12px; font-weight: 850; letter-spacing: .17em; }
.catalog-title h2 { margin-top: 8px; font-size: clamp(30px, 4vw, 46px); letter-spacing: -.035em; }
.catalog-title > p { max-width: 440px; color: var(--muted); line-height: 1.75; }

.product-list { display: grid; gap: 18px; }
.product-card { position: relative; overflow: hidden; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; padding: 26px; border: 1px solid var(--line); border-radius: 26px; background: linear-gradient(140deg, rgba(13, 39, 72, .8), rgba(7, 22, 43, .8)); box-shadow: 0 18px 55px rgba(0,0,0,.22); }
.product-card::after { content: ""; position: absolute; right: -80px; bottom: -120px; width: 260px; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(var(--accent-rgb), .14), transparent 65%); pointer-events: none; }
.product-icon { position: relative; z-index: 1; width: 94px; height: 94px; border-radius: 25px; object-fit: cover; box-shadow: 0 16px 38px rgba(0,0,0,.34); }
.product-copy { position: relative; z-index: 1; }
.product-heading { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.product-heading h3 { font-size: 25px; }
.recommend { padding: 5px 9px; border-radius: 999px; color: var(--success); background: rgba(77,226,180,.09); font-size: 11px; font-weight: 800; }
.recommend.unavailable { color: #ffb5aa; background: rgba(255,111,97,.1); }
.product-copy > p { margin-top: 9px; color: var(--muted); line-height: 1.7; }
.product-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.product-tags span { padding: 6px 9px; border: 1px solid rgba(255,255,255,.07); border-radius: 9px; color: #c1cde0; background: rgba(255,255,255,.04); font-size: 11px; }
.guide { margin-top: 15px; color: #cfe1f1; font-size: 13px; }
.guide::before { content: "适合你，如果："; color: var(--accent); font-weight: 800; }
.product-actions { position: relative; z-index: 1; min-width: 170px; }
.product-actions .button { width: 100%; white-space: nowrap; }
.product-actions small { display: block; margin-top: 9px; color: var(--faint); text-align: center; font-size: 11px; }

.empty-state { position: relative; overflow: hidden; min-height: 360px; display: grid; grid-template-columns: minmax(230px, .78fr) minmax(280px, 1fr); align-items: center; gap: 32px; padding: 34px clamp(24px, 5vw, 70px); border: 1px dashed rgba(var(--accent-rgb), .27); border-radius: 28px; background: rgba(255,255,255,.025); }
.empty-state::before { content: ""; position: absolute; width: 300px; aspect-ratio: 1; border: 1px solid rgba(var(--accent-rgb), .12); border-radius: 50%; box-shadow: 0 0 0 55px rgba(var(--accent-rgb), .025), 0 0 0 110px rgba(var(--accent-rgb), .018); }
.desktop-coming-art { position: relative; z-index: 1; justify-self: center; width: min(100%, 330px); max-height: 300px; object-fit: contain; filter: drop-shadow(0 22px 30px rgba(0,0,0,.4)); }
.empty-content { position: relative; z-index: 1; }
.empty-icon { width: 68px; height: 68px; display: grid; place-items: center; margin: 0 0 18px; border: 1px solid var(--line); border-radius: 21px; color: var(--accent); background: rgba(var(--accent-rgb), .08); font-size: 29px; }
.empty-state h3 { font-size: 25px; }
.empty-state p { max-width: 500px; margin: 10px 0 0; color: var(--muted); line-height: 1.75; }
.work-badge { display: inline-flex; margin-top: 18px; padding: 8px 12px; border-radius: 999px; color: #bdefff; background: rgba(var(--accent-rgb), .08); font-size: 12px; font-weight: 800; }
.desktop-guide-banner { min-height: 320px; border-style: solid; background: linear-gradient(130deg, rgba(var(--accent-rgb), .07), rgba(var(--accent-2-rgb), .08)); }
.desktop-products { margin-top: 18px; }

.route-note { position: relative; min-height: 76px; margin-top: 26px; display: flex; align-items: center; gap: 14px; padding: 16px 104px 16px 18px; border-left: 3px solid var(--accent); border-radius: 0 15px 15px 0; color: var(--muted); background: rgba(3,16,33,.45); font-size: 13px; line-height: 1.65; }
.route-note b { color: var(--ink); white-space: nowrap; }
.route-whale { position: absolute; right: 13px; bottom: -7px; width: 86px; height: 72px; object-fit: contain; filter: drop-shadow(0 10px 16px rgba(0,8,30,.38)); transform: rotate(-4deg); transition: transform .2s ease; }
.route-note:hover .route-whale { transform: translateY(-4px) rotate(2deg); }

@media (max-width: 800px) {
  .catalog-intro { grid-template-columns: 1fr .55fr; gap: 10px; min-height: 360px; }
  .catalog-guide-wrap { min-height: 340px; }
  .guide-bubble { display: none; }
  .platform-switch { grid-template-columns: 1fr; }
  .catalog-title { align-items: flex-start; flex-direction: column; }
  .product-card { grid-template-columns: auto 1fr; }
  .product-actions { grid-column: 1 / -1; width: 100%; }
  .empty-state { grid-template-columns: .75fr 1fr; gap: 20px; }
}

@media (max-width: 560px) {
  .catalog-hero { padding: 72px 0 48px; }
  .catalog-intro { grid-template-columns: 1fr; min-height: auto; text-align: center; }
  .catalog-copy .eyebrow { margin: 0 auto; }
  .catalog-hero h1 { font-size: clamp(38px, 11vw, 48px); }
  .catalog-hero p { margin-left: auto; margin-right: auto; font-size: 15px; }
  .catalog-guide-wrap { min-height: 280px; margin-top: 10px; }
  .catalog-guide-art { width: min(82vw, 270px); max-height: 300px; }
  .platform-link { padding: 17px; }
  .platform-link .count { display: none; }
  .catalog-section { padding: 64px 0; }
  .product-card { grid-template-columns: 1fr; padding: 22px; text-align: center; }
  .product-icon { margin: 0 auto; }
  .product-heading, .product-tags { justify-content: center; }
  .product-actions { grid-column: auto; }
  .guide { line-height: 1.65; }
  .empty-state { grid-template-columns: 1fr; gap: 6px; padding: 28px 20px 34px; text-align: center; }
  .desktop-coming-art { width: min(78vw, 260px); max-height: 235px; }
  .empty-icon { margin-left: auto; margin-right: auto; }
  .empty-state p { margin-left: auto; margin-right: auto; }
  .route-note { align-items: flex-start; flex-direction: column; gap: 2px; min-height: 84px; padding: 14px 82px 14px 15px; text-align: left; }
  .route-whale { right: 6px; bottom: -3px; width: 74px; height: 66px; }
}