/* ============================================
   旭晖网络 Neumorphism Design System
   Background: #e0e0e0 | Accent: #FF6B35
   ============================================ */

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

:root {
    --bg: #e0e0e0;
    --shadow-dark: #bebebe;
    --shadow-light: #ffffff;
    --accent: #FF6B35;
    --accent-hover: #e55a28;
    --accent-light: #F4845F;
    --text-primary: #3a3a3a;
    --text-secondary: #666666;
    --text-muted: #999999;
    --radius: 20px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    --shadow-outset: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
    --shadow-outset-sm: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light);
    --shadow-inset: inset 8px 8px 16px var(--shadow-dark), inset -8px -8px 16px var(--shadow-light);
    --shadow-inset-sm: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
    --transition: all 0.25s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

img, svg {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }

.accent-text {
    color: var(--accent);
}

/* ============================================
   Neumorphic Navigation
   ============================================ */

.neu-nav {
    background: var(--bg);
    box-shadow: 0 4px 12px var(--shadow-dark), 0 -2px 8px var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0;
}

.neu-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo img,
.nav-logo svg {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    background: var(--bg);
}

.nav-links a:hover,
.nav-links a.active {
    box-shadow: var(--shadow-inset-sm);
    color: var(--accent);
}

.mobile-menu-btn {
    display: none;
    background: var(--bg);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-outset-sm);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: var(--transition);
}

.mobile-menu-btn:active {
    box-shadow: var(--shadow-inset-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: var(--transition);
}

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

.hero {
    padding: 80px 0 60px;
    text-align: center;
}

.hero-card {
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    border-radius: 30px;
    padding: 60px 40px;
    max-width: 800px;
    margin: 0 auto;
}

.hero-card h1 {
    margin-bottom: 16px;
    font-size: 2.4rem;
}

.hero-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    border-radius: 30px;
    box-shadow: var(--shadow-inset-sm);
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 24px;
}

/* ============================================
   Neumorphic Buttons
   ============================================ */

.neu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius);
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition);
    font-family: inherit;
    text-decoration: none;
}

.neu-btn:hover {
    box-shadow: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
}

.neu-btn:active,
.neu-btn.pressed {
    box-shadow: var(--shadow-inset);
}

.neu-btn-accent {
    color: var(--accent);
}

.neu-btn-accent:hover {
    color: var(--accent-hover);
}

.neu-btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    box-shadow: 6px 6px 14px var(--shadow-dark), -4px -4px 10px var(--shadow-light);
}

.neu-btn-primary:hover {
    box-shadow: 4px 4px 10px var(--shadow-dark), -2px -2px 8px var(--shadow-light);
    transform: translateY(1px);
}

.neu-btn-primary:active {
    box-shadow: inset 4px 4px 8px rgba(0,0,0,0.15), inset -2px -2px 6px rgba(255,255,255,0.1);
}

.neu-btn-lg {
    padding: 18px 48px;
    font-size: 1.1rem;
    border-radius: 24px;
}

.neu-btn-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-outset-sm);
}

.neu-btn-sm:active {
    box-shadow: var(--shadow-inset-sm);
}

/* ============================================
   Section Titles
   ============================================ */

.section-title {
    text-align: center;
    margin-bottom: 48px;
}

.section-title h2 {
    margin-bottom: 12px;
}

.section-title p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.section-title .title-accent {
    display: inline-block;
    width: 50px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
    margin-bottom: 16px;
}

/* ============================================
   Product Cards Grid
   ============================================ */

.products-section {
    padding: 60px 0 80px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

a.product-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.product-card {
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 10px 10px 20px var(--shadow-dark), -10px -10px 20px var(--shadow-light);
}

.product-card .card-media {
    position: relative;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius) var(--radius) 0 0;
    overflow: hidden;
}

.product-card .card-media-icon {
    width: 64px;
    height: 64px;
    filter: brightness(0) invert(1);
    opacity: 0.9;
    transition: transform 0.3s ease;
}

.product-card:hover .card-media-icon {
    transform: scale(1.1);
}

.product-card .card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
}

.product-card .card-info {
    padding: 20px 20px 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-card h3 {
    margin-bottom: 6px;
    font-size: 1.1rem;
}

.product-card .card-desc {
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-bottom: 12px;
    line-height: 1.5;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card .card-rating {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 14px;
}

.product-card .card-rating .stars {
    color: #f59e0b;
    font-size: 0.82rem;
    letter-spacing: 1px;
}

.product-card .card-rating .rating-text {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.product-card .card-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-card .card-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
}

.product-card .card-price small {
    font-size: 0.8rem;
    font-weight: 500;
}

.product-card .card-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    box-shadow: var(--shadow-outset-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    background: var(--bg);
}

.product-card .card-icon svg,
.product-card .card-icon img {
    width: 44px;
    height: 44px;
}

/* ============================================
   Features Section
   ============================================ */

.features-section {
    padding: 60px 0 80px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.feature-item {
    text-align: center;
    padding: 20px;
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon svg {
    width: 36px;
    height: 36px;
}

.feature-item h4 {
    margin-bottom: 8px;
}

.feature-item p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================
   Product Detail Page
   ============================================ */

.breadcrumb {
    padding: 24px 0;
}

.breadcrumb-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg);
    box-shadow: var(--shadow-inset-sm);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.breadcrumb-inner a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.breadcrumb-inner a:hover {
    color: var(--accent);
}

.breadcrumb-inner .separator {
    color: var(--text-muted);
}

.product-detail {
    padding: 20px 0 80px;
}

.product-detail-card {
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    border-radius: 28px;
    padding: 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.product-image-frame {
    background: var(--bg);
    box-shadow: var(--shadow-inset);
    border-radius: var(--radius);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.product-image-frame svg,
.product-image-frame img {
    width: 160px;
    height: 160px;
}

.product-info h1 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.product-info .product-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
    line-height: 1.7;
}

.product-price-tag {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
}

.product-price-tag small {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
}

.product-features-list {
    list-style: none;
    margin: 24px 0;
    padding: 0;
}

.product-features-list li {
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-features-list li svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Quantity Selector */
.quantity-selector {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 24px 0;
}

.quantity-selector label {
    font-weight: 600;
    margin-right: 12px;
    font-size: 0.95rem;
}

.qty-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--bg);
    box-shadow: var(--shadow-outset-sm);
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
}

.qty-btn:active {
    box-shadow: var(--shadow-inset-sm);
}

.qty-input {
    width: 60px;
    height: 44px;
    text-align: center;
    border: none;
    background: var(--bg);
    box-shadow: var(--shadow-inset-sm);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: inherit;
    outline: none;
}

/* ============================================
   Reviews Section
   ============================================ */

.reviews-section {
    padding: 60px 0 20px;
}

.reviews-overview {
    display: flex;
    gap: 32px;
    align-items: center;
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    border-radius: var(--radius);
    padding: 32px 40px;
    margin-bottom: 28px;
}

.reviews-score-card {
    text-align: center;
    min-width: 140px;
    padding: 16px 24px;
    background: var(--bg);
    box-shadow: var(--shadow-inset);
    border-radius: var(--radius-sm);
}

.reviews-score-card .score-big {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 6px;
}

.reviews-score-card .score-stars {
    color: #f59e0b;
    font-size: 1rem;
    letter-spacing: 2px;
    margin-bottom: 4px;
}

.reviews-score-card .score-count {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.reviews-summary {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.summary-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.summary-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-width: 48px;
}

.summary-bar {
    flex-grow: 1;
    height: 8px;
    background: var(--bg);
    box-shadow: var(--shadow-inset-sm);
    border-radius: 4px;
    overflow: hidden;
}

.summary-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 4px;
    transition: width 0.6s ease;
}

.summary-bar-fill.mid {
    background: #f59e0b;
}

.summary-bar-fill.low {
    background: var(--text-muted);
}

.summary-pct {
    font-size: 0.82rem;
    color: var(--text-muted);
    min-width: 36px;
    text-align: right;
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.review-item {
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    border-radius: var(--radius-sm);
    padding: 24px 28px;
}

.review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.review-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: var(--shadow-inset-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--accent);
    flex-shrink: 0;
}

.review-meta {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.review-user {
    font-weight: 600;
    font-size: 0.95rem;
}

.review-date {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.review-stars {
    color: #f59e0b;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.review-content {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* Related Products */
.related-products {
    padding: 60px 0 80px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* ============================================
   Order Page
   ============================================ */

.order-page {
    padding: 40px 0 80px;
}

/* Step Indicator */
.step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 48px;
    padding: 24px 32px;
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    border-radius: var(--radius);
}

.step {
    display: flex;
    align-items: center;
    gap: 10px;
}

.step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: var(--shadow-outset-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.step.active .step-num {
    box-shadow: var(--shadow-inset-sm);
    color: var(--accent);
}

.step-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.step.active .step-label {
    color: var(--accent);
    font-weight: 600;
}

.step-line {
    width: 60px;
    height: 3px;
    background: var(--bg);
    box-shadow: var(--shadow-inset-sm);
    border-radius: 2px;
    margin: 0 16px;
}

/* Order Layout */
.order-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 32px;
    align-items: start;
}

/* Neumorphic Cards */
.neu-card {
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    border-radius: var(--radius);
    padding: 32px;
}

.neu-card h3 {
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.neu-card h3 svg {
    width: 22px;
    height: 22px;
}

/* Neumorphic Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.neu-input {
    width: 100%;
    padding: 14px 20px;
    border: none;
    background: var(--bg);
    box-shadow: var(--shadow-inset-sm);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--text-primary);
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.neu-input:focus {
    box-shadow: var(--shadow-inset), 0 0 0 2px var(--accent);
}

.neu-input::placeholder {
    color: var(--text-muted);
}

.neu-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Payment Selection */
.payment-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg);
    box-shadow: var(--shadow-outset-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.payment-option:hover {
    box-shadow: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
}

.payment-option.selected {
    box-shadow: var(--shadow-inset-sm);
    border-color: var(--accent);
}

.payment-option input[type="radio"] {
    display: none;
}

.payment-radio {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: var(--shadow-inset-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.payment-option.selected .payment-radio {
    background: var(--accent);
    box-shadow: inset 2px 2px 4px rgba(0,0,0,0.15);
}

.payment-radio::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #fff;
    opacity: 0;
    transition: var(--transition);
}

.payment-option.selected .payment-radio::after {
    opacity: 1;
}

.payment-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-xs);
    overflow: hidden;
    flex-shrink: 0;
}

.payment-icon img,
.payment-icon svg {
    width: 100%;
    height: 100%;
}

.payment-name {
    font-weight: 600;
    font-size: 0.95rem;
}

/* Order Summary */
.order-summary-card {
    position: sticky;
    top: 96px;
}

.order-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.order-item:last-of-type {
    border-bottom: none;
}

.order-item-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: var(--bg);
    box-shadow: var(--shadow-inset-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.order-item-icon svg,
.order-item-icon img {
    width: 32px;
    height: 32px;
}

.order-item-info {
    flex-grow: 1;
}

.order-item-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.order-item-qty {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.order-item-price {
    font-weight: 700;
    color: var(--accent);
    white-space: nowrap;
}

.order-divider {
    height: 2px;
    background: var(--bg);
    box-shadow: var(--shadow-inset-sm);
    border-radius: 1px;
    margin: 16px 0;
}

.order-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.order-total .total-label {
    font-size: 1rem;
    font-weight: 600;
}

.order-total .total-amount {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
}

/* ============================================
   Payment Page
   ============================================ */

.pay-page {
    padding: 80px 0;
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pay-card {
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    border-radius: 28px;
    padding: 60px 48px;
    max-width: 500px;
    width: 100%;
}

.pay-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
}

.pay-icon svg {
    width: 48px;
    height: 48px;
}

.pay-card h2 {
    margin-bottom: 12px;
}

.pay-card p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.pay-amount {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 32px;
}

.pay-amount small {
    font-size: 1rem;
    font-weight: 500;
}

/* Loading spinner */
.neu-loader {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    margin: 0 auto 24px;
    position: relative;
    animation: neu-pulse 2s ease-in-out infinite;
}

.neu-loader::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    bottom: 8px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--accent);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes neu-pulse {
    0%, 100% { box-shadow: var(--shadow-outset); }
    50% { box-shadow: var(--shadow-inset); }
}

/* Status Messages */
.status-success {
    color: #4CAF50;
}

.status-error {
    color: #e53935;
}

.pay-details {
    text-align: left;
    margin: 24px 0;
    padding: 20px;
    background: var(--bg);
    box-shadow: var(--shadow-inset-sm);
    border-radius: var(--radius-sm);
}

.pay-details-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 0.9rem;
}

.pay-details-row .label {
    color: var(--text-muted);
}

.pay-details-row .value {
    font-weight: 600;
}

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

.neu-footer {
    background: var(--bg);
    padding: 40px 0 24px;
    margin-top: 40px;
}

.footer-inner {
    background: var(--bg);
    box-shadow: var(--shadow-inset);
    border-radius: var(--radius);
    padding: 36px;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo img,
.footer-logo svg {
    height: 32px;
    width: auto;
}

.footer-company {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-icp {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-icp a {
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-icp a:hover {
    color: var(--accent);
}

.footer-copyright {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* ============================================
   Scroll Animations
   ============================================ */

.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

@media (max-width: 1200px) {
    .container { max-width: 960px; }
    .products-grid { grid-template-columns: repeat(3, 1fr); }
    .hero-card h1 { font-size: 2.2rem; }
}

@media (max-width: 1024px) {
    .products-grid,
    .features-grid,
    .related-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .product-detail-card {
        grid-template-columns: 1fr;
    }
    .order-layout {
        grid-template-columns: 1fr;
    }
    .order-summary-card {
        position: static;
    }
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.4rem; }

    .container {
        padding: 0 16px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--bg);
        box-shadow: 0 8px 16px var(--shadow-dark);
        padding: 16px;
        flex-direction: column;
        gap: 4px;
        z-index: 999;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        width: 100%;
        text-align: center;
        padding: 14px 20px;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-card {
        padding: 40px 24px;
    }

    .hero-card h1 {
        font-size: 1.6rem;
    }

    .products-grid,
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .product-card .card-media {
        height: 120px;
    }

    .reviews-overview {
        flex-direction: column;
        padding: 24px 20px;
        gap: 20px;
    }

    .reviews-score-card {
        min-width: unset;
        width: 100%;
    }

    .review-item {
        padding: 20px;
    }

    .features-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .about-intro {
        padding: 32px 24px;
    }

    .about-mission-inner {
        flex-direction: column;
        text-align: center;
    }

    .page-header {
        padding: 40px 0 32px;
    }

    .page-header h1 {
        font-size: 1.6rem;
    }

    .privacy-card {
        padding: 24px 20px;
    }

    .product-detail-card {
        padding: 28px 20px;
        border-radius: var(--radius);
    }

    .step-indicator {
        padding: 16px;
        flex-wrap: wrap;
        gap: 8px;
    }

    .step-line {
        width: 24px;
    }

    .step-label {
        display: none;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .neu-card {
        padding: 24px 20px;
    }

    .pay-card {
        padding: 40px 24px;
        margin: 0 16px;
    }
}

@media (max-width: 480px) {
    .features-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .products-grid,
    .related-grid {
        grid-template-columns: 1fr;
    }

    .hero-badge {
        font-size: 0.78rem;
    }

    .product-price-tag {
        font-size: 1.8rem;
    }

    .product-card .card-media {
        height: 140px;
    }
}

/* ============================================
   Page Header (shared across about/contact/privacy)
   ============================================ */

.page-header {
    text-align: center;
    padding: 60px 0 48px;
}

.page-header .title-accent {
    display: inline-block;
    width: 50px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
    margin-bottom: 16px;
}

.page-header h1 {
    margin-bottom: 12px;
    font-size: 2.2rem;
}

.page-header p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ============================================
   About Page
   ============================================ */

.about-page {
    padding-bottom: 80px;
}

.about-intro {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 48px 40px;
}

.about-intro-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
}

.about-intro-icon svg {
    width: 48px;
    height: 48px;
}

.about-intro h2 {
    margin-bottom: 16px;
}

.about-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.85;
    max-width: 720px;
}

.about-mission {
    margin-top: 28px;
    padding: 36px 40px;
}

.about-mission-inner {
    display: flex;
    align-items: center;
    gap: 28px;
}

.about-mission-icon {
    width: 80px;
    height: 80px;
    min-width: 80px;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: var(--shadow-inset);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-mission-icon svg {
    width: 40px;
    height: 40px;
}

.about-mission h3 {
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.mission-text {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.advantage-item {
    background: var(--bg);
    box-shadow: var(--shadow-outset);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

.advantage-item:hover {
    transform: translateY(-4px);
    box-shadow: 10px 10px 20px var(--shadow-dark), -10px -10px 20px var(--shadow-light);
}

.advantage-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: var(--shadow-outset-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.advantage-icon svg {
    width: 36px;
    height: 36px;
}

.advantage-item h4 {
    margin-bottom: 10px;
    font-size: 1.05rem;
}

.advantage-item p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.6;
}

.about-icp {
    margin-top: 48px;
}

/* ============================================
   Contact Page
   ============================================ */

.contact-page {
    padding-bottom: 80px;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 32px;
    align-items: start;
}

.contact-info-col {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-card {
    padding: 28px 32px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-info-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: var(--shadow-outset-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-info-icon svg {
    width: 24px;
    height: 24px;
}

.contact-info-item h4 {
    margin-bottom: 4px;
    font-size: 0.95rem;
}

.contact-link {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--accent-hover);
}

.contact-form-card {
    padding: 36px;
}

.contact-form-card h3 {
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-form-card h3 svg {
    width: 22px;
    height: 22px;
}

/* ============================================
   Privacy / Terms Page
   ============================================ */

.privacy-page {
    padding-bottom: 80px;
}

.privacy-content {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.privacy-card {
    padding: 32px 36px;
}

.privacy-updated {
    text-align: center;
    font-size: 0.88rem;
    color: var(--text-muted);
    padding: 4px 0;
}

.privacy-heading {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
    font-size: 1.2rem;
}

.privacy-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: var(--shadow-inset-sm);
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 700;
}

.privacy-card p {
    color: var(--text-secondary);
    font-size: 0.93rem;
    line-height: 1.8;
}

.privacy-list {
    list-style: none;
    padding: 0;
    margin: 14px 0 0;
}

.privacy-list li {
    padding: 8px 0 8px 24px;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.93rem;
    line-height: 1.75;
}

.privacy-list li::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 16px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.6;
}

.privacy-contact-info {
    margin-top: 16px;
    padding: 20px;
    background: var(--bg);
    box-shadow: var(--shadow-inset-sm);
    border-radius: var(--radius-sm);
}

.privacy-contact-info p {
    padding: 4px 0;
    font-size: 0.9rem;
}

/* ============================================
   Utility Classes
   ============================================ */

.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

.neu-divider {
    height: 2px;
    background: var(--bg);
    box-shadow: var(--shadow-inset-sm);
    border-radius: 1px;
    margin: 24px 0;
}

/* Alert / Error Messages */
.neu-alert {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-inset-sm);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.neu-alert-error {
    border-left: 3px solid #e53935;
    color: #c62828;
}

.neu-alert-success {
    border-left: 3px solid #4CAF50;
    color: #2e7d32;
}