/* ==========================================================================
   CBON Shop System
   統一所有商店頁面（recharge / esim / game / physical-sim）的視覺語言。
   必須在 design-tokens.css 之後載入。
   不再使用 !important 覆蓋，全部以 token 為主。
   ========================================================================== */

/* --- 隱藏舊深色玻璃背景，避免被動到 --- */
.dynamic-bg,
#particlesCanvas {
    display: none !important;
}

/* --- 1. App 外殼（手機優先）--- */
.mobile-app {
    background: var(--cbon-bg-soft);
    min-height: 100vh;
    max-width: var(--cbon-container-max);
    margin: 0 auto;
    box-shadow: 0 0 0 1px var(--cbon-border-soft);
}

@media (min-width: 768px) {
    .mobile-app {
        margin: var(--cbon-space-6) auto;
        border-radius: var(--cbon-radius-2xl);
        overflow: hidden;
        box-shadow: var(--cbon-shadow-lg);
    }
}

/* --- 2. Sticky Header（手機）--- */
.mobile-header,
.psim-header {
    position: sticky;
    top: 0;
    z-index: var(--cbon-z-sticky);
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: saturate(180%) blur(18px);
    -webkit-backdrop-filter: saturate(180%) blur(18px);
    border-bottom: 1px solid var(--cbon-border-soft);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 56px;
    color: var(--cbon-text);
}

.back-btn-mobile,
.psim-back {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--cbon-radius-md);
    background: var(--cbon-surface-strong);
    color: var(--cbon-text);
    text-decoration: none;
    font-size: 0.95rem;
    transition: background var(--cbon-duration-fast) var(--cbon-ease);
}

.back-btn-mobile:hover,
.psim-back:hover {
    background: var(--cbon-border);
}

.logo-area h1,
.psim-brand {
    font-size: var(--cbon-text-lg);
    font-weight: var(--cbon-weight-black);
    color: var(--cbon-text);
    margin: 0;
}

.logo-area img,
.psim-logo img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.member-btn-mobile {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--cbon-radius-md);
    background: var(--cbon-surface-strong);
    color: var(--cbon-text);
    font-size: 0.95rem;
    transition: background var(--cbon-duration-fast) var(--cbon-ease);
}

.psim-cart {
    position: relative;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--cbon-radius-md);
    background: var(--cbon-accent-50);
    color: var(--cbon-accent);
    text-decoration: none;
    font-size: 0.95rem;
    transition: background var(--cbon-duration-fast) var(--cbon-ease);
}

.psim-cart:hover {
    background: var(--cbon-accent-100);
}

.psim-cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    background: var(--cbon-accent);
    color: var(--cbon-text-inverse);
    font-size: 0.7rem;
    font-weight: var(--cbon-weight-bold);
    border-radius: var(--cbon-radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    box-shadow: 0 0 0 2px white;
}

/* --- 3. Hero 區（mesh 漸層底 + 漸層條 + 內容浮層）--- */
.hero-banner,
.psim-hero {
    margin: var(--cbon-space-4);
    padding: 28px 24px 32px;
    border-radius: var(--cbon-radius-2xl);
    background:
        radial-gradient(120% 80% at 0% 0%, rgba(79, 70, 229, 0.10) 0%, transparent 55%),
        radial-gradient(110% 90% at 100% 100%, rgba(236, 72, 153, 0.08) 0%, transparent 60%),
        var(--cbon-bg);
    border: 1px solid var(--cbon-border);
    box-shadow: var(--cbon-shadow-md);
    position: relative;
    overflow: hidden;
}

.hero-banner::before,
.psim-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--cbon-gradient);
    background-size: 200% 100%;
    animation: cbonHeroShimmer 6s ease-in-out infinite;
}

.hero-banner::after,
.psim-hero::after {
    content: "";
    position: absolute;
    top: -40px;
    right: -40px;
    width: 180px;
    height: 180px;
    background: var(--cbon-gradient);
    opacity: 0.06;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

@keyframes cbonHeroShimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-content,
.psim-hero-content {
    position: relative;
    z-index: 1;
}

.hero-title,
.psim-hero h1 {
    font-size: var(--cbon-text-3xl);
    font-weight: var(--cbon-weight-black);
    color: var(--cbon-text);
    margin: 0 0 8px;
    letter-spacing: -0.5px;
    line-height: var(--cbon-leading-tight);
}

.hero-subtitle,
.psim-hero p {
    font-size: var(--cbon-text-base);
    color: var(--cbon-text-muted);
    font-weight: var(--cbon-weight-medium);
    margin: 0;
    line-height: var(--cbon-leading-normal);
}

.hero-accent {
    width: 64px;
    height: 4px;
    background: var(--cbon-gradient);
    border-radius: var(--cbon-radius-full);
    margin-top: var(--cbon-space-4);
}

@media (max-width: 480px) {
    .hero-banner,
    .psim-hero {
        padding: 22px 20px 24px;
    }
    .hero-title,
    .psim-hero h1 {
        font-size: var(--cbon-text-2xl);
        letter-spacing: -0.3px;
    }
}

.psim-hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 14px;
}

.psim-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    background: var(--cbon-primary-50);
    color: var(--cbon-primary-700);
    border-radius: var(--cbon-radius-full);
    font-size: var(--cbon-text-xs);
    font-weight: var(--cbon-weight-semibold);
}

.psim-hero-badge i {
    color: var(--cbon-primary);
    font-size: 0.68rem;
}

/* --- 4. 警示條 --- */
.purchase-warning {
    margin: -8px var(--cbon-space-4) var(--cbon-space-5);
    padding: 12px 14px;
    background: var(--cbon-warning-bg);
    border: 1px solid #fde7cf;
    border-radius: var(--cbon-radius-md);
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--cbon-text);
}

.purchase-warning .warning-icon i {
    color: var(--cbon-warning);
    font-size: 1.1rem;
}

.purchase-warning .warning-text {
    color: #6b4d12;
    font-size: var(--cbon-text-sm);
    line-height: var(--cbon-leading-normal);
}

/* --- 5. 分類篩選器 --- */
.category-filter-section {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: var(--cbon-space-4);
}

.category-title {
    font-size: var(--cbon-text-base);
    font-weight: var(--cbon-weight-black);
    color: var(--cbon-text);
    margin: 0;
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.category-dropdown-container {
    flex: 1;
}

.custom-select__trigger {
    background: var(--cbon-bg);
    border: 1px solid var(--cbon-border);
    border-radius: var(--cbon-radius-md);
    color: var(--cbon-text);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: var(--cbon-text-sm);
    font-weight: var(--cbon-weight-semibold);
    cursor: pointer;
    transition: border-color var(--cbon-duration-fast) var(--cbon-ease);
}

.custom-select__trigger:hover {
    border-color: var(--cbon-primary);
}

.custom-select__trigger .selected-value {
    display: flex;
    align-items: center;
    gap: 8px;
}

.custom-select__trigger .selected-value i {
    color: var(--cbon-primary);
}

.custom-select__trigger .arrow {
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--cbon-text-muted);
    border-bottom: 2px solid var(--cbon-text-muted);
    transform: rotate(45deg);
    transition: transform var(--cbon-duration-base) var(--cbon-ease);
}

.custom-select.open .custom-select__trigger .arrow {
    transform: rotate(-135deg);
}

.custom-options {
    margin-top: 6px;
    background: var(--cbon-bg);
    border: 1px solid var(--cbon-border);
    border-radius: var(--cbon-radius-md);
    box-shadow: var(--cbon-shadow-md);
    overflow: hidden;
    max-height: 0;
    transition: max-height var(--cbon-duration-base) var(--cbon-ease);
}

.custom-select.open .custom-options {
    max-height: 400px;
    overflow-y: auto;
}

.custom-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--cbon-text);
    font-size: var(--cbon-text-sm);
    font-weight: var(--cbon-weight-medium);
    cursor: pointer;
    transition: background var(--cbon-duration-fast) var(--cbon-ease);
}

.custom-option:hover {
    background: var(--cbon-bg-soft);
    color: var(--cbon-primary);
}

.custom-option.selected {
    background: var(--cbon-primary-50);
    color: var(--cbon-primary-700);
    font-weight: var(--cbon-weight-bold);
}

.custom-option i {
    color: var(--cbon-text-muted);
    width: 16px;
    text-align: center;
}

/* --- 6. 地區水平標籤（physical-sim 用）--- */
.region-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 var(--cbon-space-4);
    margin-bottom: var(--cbon-space-4);
}

.region-tab {
    padding: 8px 14px;
    background: var(--cbon-bg);
    border: 1px solid var(--cbon-border);
    border-radius: var(--cbon-radius-full);
    color: var(--cbon-text-muted);
    font-size: var(--cbon-text-sm);
    font-weight: var(--cbon-weight-semibold);
    cursor: pointer;
    transition: all var(--cbon-duration-fast) var(--cbon-ease);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.region-tab:hover {
    border-color: var(--cbon-primary);
    color: var(--cbon-primary);
}

.region-tab.active {
    background: var(--cbon-primary);
    border-color: var(--cbon-primary);
    color: var(--cbon-text-inverse);
}

/* --- 7. 商品卡片（統一 code-card）--- */
.code-card,
.sim-card,
.psim-card {
    position: relative;
    background: var(--cbon-bg);
    border: 1px solid var(--cbon-border);
    border-radius: var(--cbon-radius-lg);
    box-shadow: var(--cbon-shadow-sm);
    overflow: hidden;
    transition: transform var(--cbon-duration-base) var(--cbon-ease-out),
                box-shadow var(--cbon-duration-base) var(--cbon-ease-out),
                border-color var(--cbon-duration-base) var(--cbon-ease-out);
    display: flex;
    flex-direction: column;
}

.code-card:hover,
.sim-card:hover,
.psim-card:hover {
    transform: translateY(-4px);
    border-color: var(--cbon-primary-100);
    box-shadow:
        0 2px 6px rgba(15, 17, 38, 0.04),
        0 18px 36px rgba(79, 70, 229, 0.14);
}

.code-card:hover .card-icon,
.sim-card:hover .card-icon {
    transform: scale(1.06);
}

.code-card .card-link,
.sim-card .card-link {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.code-card .card-header,
.sim-card .card-header {
    padding: var(--cbon-space-4);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.code-card .card-icon,
.sim-card .card-icon {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--cbon-primary-50) 0%, var(--cbon-primary-100) 100%);
    color: var(--cbon-primary-700);
    border-radius: var(--cbon-radius-md);
    font-size: 1.15rem;
    box-shadow: inset 0 0 0 1px rgba(79, 70, 229, 0.12);
    transition: transform var(--cbon-duration-base) var(--cbon-ease-out);
}

.code-card h3,
.sim-card h3 {
    font-size: var(--cbon-text-base);
    font-weight: var(--cbon-weight-black);
    color: var(--cbon-text);
    margin: 0;
    line-height: var(--cbon-leading-tight);
}

.code-card .card-subtitle {
    color: var(--cbon-text-muted);
    font-size: var(--cbon-text-sm);
    font-weight: var(--cbon-weight-medium);
    margin: 0;
}

/* 縮圖容器 */
.thumb-container,
.sim-card-image-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background: var(--cbon-bg-soft);
    border-radius: var(--cbon-radius-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumb-container img,
.sim-card-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-tag,
.sim-card-tag-pill {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 5px 11px;
    background: rgba(79, 70, 229, 0.92);
    color: var(--cbon-text-inverse);
    font-size: var(--cbon-text-xs);
    font-weight: var(--cbon-weight-bold);
    border-radius: var(--cbon-radius-full);
    z-index: 2;
    box-shadow:
        0 4px 12px rgba(79, 70, 229, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    letter-spacing: 0.02em;
}

.product-tag.tag-recharge {
    background: rgba(79, 70, 229, 0.92);
    box-shadow:
        0 4px 12px rgba(79, 70, 229, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.product-tag.tag-esim {
    background: rgba(59, 130, 246, 0.92);
    box-shadow:
        0 4px 12px rgba(59, 130, 246, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.product-tag.tag-game {
    background: rgba(255, 107, 53, 0.92);
    box-shadow:
        0 4px 12px rgba(255, 107, 53, 0.32),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* 庫存顯示 */
.stock-display {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    background: var(--cbon-bg-soft);
    border-radius: var(--cbon-radius-full);
    font-size: var(--cbon-text-xs);
    color: var(--cbon-text-muted);
    align-self: flex-start;
}

.stock-display i {
    color: var(--cbon-text-muted);
}

.stock-count {
    font-weight: var(--cbon-weight-bold);
    color: var(--cbon-text);
}

.stock-count.available {
    color: #047857;
    background: var(--cbon-success-bg);
    padding: 2px 8px;
    border-radius: var(--cbon-radius-full);
}

.stock-count.out-of-stock {
    color: #b91c1c;
    background: var(--cbon-error-bg);
    padding: 2px 8px;
    border-radius: var(--cbon-radius-full);
}

.stock-count.loading {
    color: var(--cbon-text-muted);
}

/* 卡片內文 */
.code-card .card-body,
.sim-card .card-body {
    padding: 0 var(--cbon-space-4) var(--cbon-space-3);
    display: flex;
    flex-direction: column;
    gap: var(--cbon-space-2);
    flex: 1;
}

.price-display {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.price-display .currency {
    color: var(--cbon-text-muted);
    font-size: var(--cbon-text-base);
    font-weight: var(--cbon-weight-bold);
}

.price-display .amount {
    color: var(--cbon-text);
    font-size: var(--cbon-text-3xl);
    font-weight: var(--cbon-weight-black);
    line-height: 1;
    letter-spacing: -0.5px;
    background: var(--cbon-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.price-display .original {
    color: var(--cbon-text-soft);
    text-decoration: line-through;
    font-size: var(--cbon-text-sm);
    margin-left: 6px;
}

.features {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--cbon-text-muted);
    font-size: var(--cbon-text-sm);
    font-weight: var(--cbon-weight-medium);
}

.feature-item i {
    color: var(--cbon-primary);
    font-size: 0.78rem;
}

/* 卡片動作區 */
.code-card .card-action,
.sim-card .card-action {
    padding: var(--cbon-space-3) var(--cbon-space-4) var(--cbon-space-4);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    position: relative;
    z-index: 2;
}

.detail-btn {
    grid-column: 1 / -1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 11px 14px;
    background: var(--cbon-bg-soft);
    border: 1px solid var(--cbon-border);
    border-radius: var(--cbon-radius-md);
    color: var(--cbon-text-muted);
    font-size: var(--cbon-text-sm);
    font-weight: var(--cbon-weight-semibold);
    text-decoration: none;
    transition: all var(--cbon-duration-fast) var(--cbon-ease);
}

.detail-btn:hover {
    background: var(--cbon-primary-50);
    border-color: var(--cbon-primary-100);
    color: var(--cbon-primary-700);
}

.alipay-btn,
.wechat-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 14px;
    border-radius: var(--cbon-radius-md);
    color: var(--cbon-text-inverse);
    font-size: var(--cbon-text-sm);
    font-weight: var(--cbon-weight-bold);
    border: none;
    cursor: pointer;
    transition: all var(--cbon-duration-fast) var(--cbon-ease);
    text-decoration: none;
}

.alipay-btn {
    background: #1677ff;
}

.alipay-btn:hover {
    background: #0059e3;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(22, 119, 255, 0.3);
}

.wechat-btn {
    background: #07c160;
}

.wechat-btn:hover {
    background: #06ad56;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(7, 193, 96, 0.3);
}

/* 卡片網格 */
.codes-grid,
.psim-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 0 var(--cbon-space-4);
}

@media (min-width: 640px) {
    .codes-grid,
    .psim-list {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--cbon-space-4);
    }
}

@media (min-width: 1024px) {
    .codes-grid,
    .psim-list {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--cbon-space-5);
    }
}

/* --- 8. 分享列 --- */
.share-section {
    margin: var(--cbon-space-6) var(--cbon-space-4);
    padding: var(--cbon-space-4);
    background: var(--cbon-bg);
    border: 1px solid var(--cbon-border);
    border-radius: var(--cbon-radius-md);
    text-align: center;
}

.share-section h4 {
    font-size: var(--cbon-text-sm);
    font-weight: var(--cbon-weight-bold);
    color: var(--cbon-text-muted);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--cbon-bg-soft);
    color: var(--cbon-text);
    border-radius: var(--cbon-radius-full);
    font-size: var(--cbon-text-sm);
    font-weight: var(--cbon-weight-semibold);
    text-decoration: none;
    transition: all var(--cbon-duration-fast) var(--cbon-ease);
}

.share-btn:hover {
    background: var(--cbon-primary);
    color: var(--cbon-text-inverse);
    transform: translateY(-1px);
}

/* --- 9. 流程說明區（4 步）--- */
.purchase-flow-section,
.troubleshoot-section,
.points-guide-section,
.customer-service-section {
    margin: var(--cbon-space-6) var(--cbon-space-4);
    padding: var(--cbon-space-5);
    background: var(--cbon-bg);
    border: 1px solid var(--cbon-border);
    border-radius: var(--cbon-radius-lg);
}

.purchase-flow-section h2,
.troubleshoot-section h2,
.points-guide-section h2,
.customer-service-section h2 {
    font-size: var(--cbon-text-lg);
    font-weight: var(--cbon-weight-black);
    color: var(--cbon-text);
    margin: 0 0 var(--cbon-space-4);
}

.flow-steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--cbon-space-3);
}

@media (min-width: 640px) {
    .flow-steps {
        grid-template-columns: repeat(4, 1fr);
    }
}

.flow-step {
    text-align: center;
    padding: var(--cbon-space-3);
    background: var(--cbon-bg-soft);
    border-radius: var(--cbon-radius-md);
}

.flow-step .step-num {
    width: 32px;
    height: 32px;
    background: var(--cbon-primary);
    color: var(--cbon-text-inverse);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--cbon-weight-black);
    margin-bottom: 8px;
}

.flow-step .step-title {
    font-size: var(--cbon-text-sm);
    font-weight: var(--cbon-weight-bold);
    color: var(--cbon-text);
    margin-bottom: 4px;
}

.flow-step .step-desc {
    font-size: var(--cbon-text-xs);
    color: var(--cbon-text-muted);
    line-height: var(--cbon-leading-normal);
}

/* --- 10. 語言切換 --- */
.lang-switcher {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--cbon-surface-strong);
    padding: 3px;
    border-radius: var(--cbon-radius-full);
}

.lang-label {
    color: var(--cbon-text-muted);
    font-size: var(--cbon-text-xs);
    font-weight: var(--cbon-weight-semibold);
    padding: 0 6px;
}

.lang-btn {
    padding: 4px 10px;
    background: transparent;
    color: var(--cbon-text-muted);
    border: none;
    border-radius: var(--cbon-radius-full);
    font-size: var(--cbon-text-xs);
    font-weight: var(--cbon-weight-semibold);
    cursor: pointer;
    transition: all var(--cbon-duration-fast) var(--cbon-ease);
}

.lang-btn.active {
    background: var(--cbon-text);
    color: var(--cbon-text-inverse);
}

/* --- 11. 通用動畫 --- */
@keyframes cbonFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cbon-fade-in {
    animation: cbonFadeIn var(--cbon-duration-slow) var(--cbon-ease-out);
}

/* --- 12. 主區塊底色 --- */
.codes-section,
main {
    background: linear-gradient(180deg, #ffffff 0%, var(--cbon-bg-soft) 46%, #ffffff 100%);
    min-height: calc(100vh - 56px);
}

/* --- 13. 缺貨浮水印 --- */
.code-card.out-of-stock,
.sim-card.out-of-stock {
    opacity: 0.7;
}

.code-card.out-of-stock::after,
.sim-card.out-of-stock::after {
    content: "暫時缺貨";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-15deg);
    padding: 8px 24px;
    background: var(--cbon-error);
    color: var(--cbon-text-inverse);
    font-size: var(--cbon-text-lg);
    font-weight: var(--cbon-weight-black);
    border-radius: var(--cbon-radius-md);
    box-shadow: var(--cbon-shadow-md);
    z-index: 3;
}

/* --- 微互動：卡片載入漸入（純 CSS，不需 JS） --- */
@media (prefers-reduced-motion: no-preference) {
    .codes-grid > .code-card,
    .codes-grid > .sim-card,
    .psim-list > .psim-card {
        animation: cbonCardEnter 480ms cubic-bezier(0.16, 1, 0.3, 1) both;
    }

    /* 錯峰動畫：每張卡延遲一點點，產生瀑布感（最多 8 張） */
    .codes-grid > *:nth-child(1)  { animation-delay: 0ms; }
    .codes-grid > *:nth-child(2)  { animation-delay: 60ms; }
    .codes-grid > *:nth-child(3)  { animation-delay: 120ms; }
    .codes-grid > *:nth-child(4)  { animation-delay: 180ms; }
    .codes-grid > *:nth-child(5)  { animation-delay: 240ms; }
    .codes-grid > *:nth-child(6)  { animation-delay: 280ms; }
    .codes-grid > *:nth-child(7)  { animation-delay: 320ms; }
    .codes-grid > *:nth-child(n + 8) { animation-delay: 360ms; }
}

@keyframes cbonCardEnter {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- 支付按鈕 hover 微抬升強化 --- */
.alipay-btn:active,
.wechat-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.16);
}