/* ========================================
   系缘 CLUB - 暗系红黑主题
   ======================================== */

:root {
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-card: #1a1a1a;
    --color-bg-card-hover: #222222;
    --color-accent: #dc2626;
    --color-accent-light: #ef4444;
    --color-accent-dark: #b91c1c;
    --color-accent-glow: rgba(220, 38, 38, 0.3);
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-muted: rgba(255, 255, 255, 0.5);
    --color-surface-1: #1a1a1a;
    --color-surface-2: #242424;
    --color-surface-3: #2d2d2d;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-accent: rgba(220, 38, 38, 0.5);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(220, 38, 38, 0.15);
    --font-display: 'Playfair Display', serif;
    --font-body: 'Noto Sans SC', sans-serif;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-pill: 980px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-body);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
::selection { background: var(--color-accent); color: white; }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--color-surface-3); border-radius: var(--radius-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }

/* Navigation */
.nav-glass {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--color-border);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}
.logo-img {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}
.logo-text {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: 2px;
}
.nav-links {
    display: flex;
    gap: var(--spacing-xl);
}
.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
    padding: var(--spacing-sm) 0;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--color-accent);
    transition: var(--transition-normal);
}
.nav-link:hover, .nav-link.active {
    color: var(--color-text-primary);
}
.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}
.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-pill);
    transition: var(--transition-fast);
}
.nav-user:hover {
    background: var(--color-surface-2);
}
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-surface-3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    overflow: hidden;
}
.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.user-name {
    font-size: 14px;
    color: var(--color-text-secondary);
}
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}
.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-normal);
}
.mobile-menu {
    display: none;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    z-index: 999;
    flex-direction: column;
    gap: var(--spacing-md);
}
.mobile-menu.active { display: flex; }
.mobile-menu a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 16px;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}
.mobile-menu a:hover {
    background: var(--color-surface-2);
    color: var(--color-text-primary);
}

/* Buttons */
.btn-primary {
    background: var(--color-accent);
    color: white;
    border: none;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}
.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(220, 38, 38, 0.3);
}
.btn-secondary {
    background: var(--color-surface-3);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}
.btn-secondary:hover {
    background: var(--color-surface-4);
    border-color: var(--color-border-accent);
}
.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}
.btn-card {
    width: 100%;
    background: var(--color-accent);
    color: white;
    border: none;
    padding: 12px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    margin-top: auto;
    text-decoration: none;
    display: block;
    text-align: center;
}
.btn-card:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(220, 38, 38, 0.3);
}
.btn-submit {
    width: 100%;
    background: var(--color-accent);
    color: white;
    border: none;
    padding: 16px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}
.btn-submit:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(220, 38, 38, 0.3);
}
.btn-large {
    padding: 16px 40px;
    font-size: 16px;
}
.btn-small {
    padding: 8px 16px;
    font-size: 12px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 64px;
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(220, 38, 38, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(220, 38, 38, 0.05) 0%, transparent 40%);
}
.hero-particles {
    position: absolute;
    inset: 0;
}
.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    padding: var(--spacing-xl);
}
.hero-poster {
    margin-bottom: var(--spacing-xl);
}
.hero-poster img {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    box-shadow: 0 20px 60px rgba(220, 38, 38, 0.2);
    animation: float-poster 6s ease-in-out infinite;
}
@keyframes float-poster {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(48px, 10vw, 80px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}
.title-main { display: block; }
.title-sub {
    display: block;
    color: var(--color-accent);
    text-shadow: 0 0 40px rgba(220, 38, 38, 0.4);
}
.hero-tagline {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    letter-spacing: 4px;
}
.hero-desc {
    font-size: 16px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}
.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

/* Features */
.features {
    background: var(--color-bg-secondary);
    padding: var(--spacing-3xl) 0;
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}
.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: var(--transition-normal);
}
.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-glow);
}
.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-lg);
    background: rgba(220, 38, 38, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}
.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}
.feature-card p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-3xl) 0;
    text-align: center;
}
.cta-section h2 {
    font-family: var(--font-display);
    font-size: 36px;
    margin-bottom: var(--spacing-md);
}
.cta-section p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

/* Page Header */
.page-header {
    padding: 120px 0 var(--spacing-xl);
    text-align: center;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}
.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(32px, 5vw, 48px);
    margin-bottom: var(--spacing-sm);
}
.page-header p {
    color: var(--color-text-muted);
}

/* Services Page */
.services-page {
    padding: var(--spacing-2xl) 0;
}
.services-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}
.tab-btn {
    background: var(--color-surface-2);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    padding: 12px 32px;
    border-radius: var(--radius-pill);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}
.tab-btn:hover {
    background: var(--color-surface-3);
    color: var(--color-text-primary);
}
.tab-btn.active {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
    box-shadow: 0 4px 16px rgba(220, 38, 38, 0.3);
}
.tab-content { display: none; }
.tab-content.active { display: block; animation: fade-in 0.5s ease; }

/* Price Category Title */
.price-category-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary, #fff);
    margin-bottom: var(--spacing-md, 1rem);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border, rgba(255,255,255,0.1));
}

/* Price Grid */
.price-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}
.price-grid.compact {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
.price-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}
.price-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    opacity: 0;
    transition: var(--transition-normal);
}
.price-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-glow);
}
.price-card:hover::before { opacity: 1; }
.price-card.featured {
    border-color: var(--color-border-accent);
    background: linear-gradient(180deg, var(--color-bg-card) 0%, rgba(220, 38, 38, 0.05) 100%);
}
.price-card.featured::before { opacity: 1; }
.card-badge {
    position: absolute;
    top: var(--spacing-md); right: var(--spacing-md);
    background: var(--color-accent);
    color: white;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}
.card-header h3 { font-size: 20px; font-weight: 700; }
.difficulty {
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
}
.difficulty.easy { background: rgba(34, 197, 94, 0.2); color: #4ade80; }
.difficulty.medium { background: rgba(234, 179, 8, 0.2); color: #facc15; }
.difficulty.hard { background: rgba(249, 115, 22, 0.2); color: #fb923c; }
.difficulty.extreme { background: rgba(220, 38, 38, 0.2); color: #f87171; }
.card-price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}
.card-price .price {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}
.card-price .unit { font-size: 16px; color: var(--color-text-muted); }
.card-time {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}
.card-time span {
    font-size: 14px;
    color: var(--color-text-secondary);
    background: var(--color-surface-2);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
}
.card-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}
.card-features li {
    font-size: 14px;
    color: var(--color-text-secondary);
    padding: var(--spacing-sm) 0;
    padding-left: 20px;
    position: relative;
}
.card-features li::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    width: 6px; height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    transform: translateY(-50%);
}
.price-card.simple {
    padding: var(--spacing-lg);
    text-align: center;
}
.price-card.simple .card-header {
    justify-content: center;
    margin-bottom: var(--spacing-md);
}
.price-card.simple .card-header h3 {
    font-size: 16px;
}
.price-card.simple .card-price {
    justify-content: center;
    margin-bottom: var(--spacing-md);
}
.price-card.simple .card-price .price {
    font-size: 36px;
}
.price-card.simple .btn-card {
    margin-top: 0;
}
.card-desc {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.6;
    text-align: left;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-surface-2);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-accent);
}
.card-desc strong {
    color: var(--color-text-secondary);
    font-weight: 500;
}
.price-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--color-surface-2);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    font-size: 14px;
    color: var(--color-text-muted);
}

/* Order Page */
.order-page { padding: var(--spacing-2xl) 0; }
.order-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-2xl);
}
.order-form-wrapper { max-width: 600px; }
.order-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
}
.form-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}
.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}
.form-section h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
}
.form-group { margin-bottom: var(--spacing-lg); }
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}
.form-group .required { color: var(--color-accent); }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px var(--spacing-md);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    transition: var(--transition-fast);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}
.form-group select option {
    background: var(--color-bg-card);
    color: var(--color-text-primary);
}

/* Billing Toggle */
.billing-toggle {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}
.toggle-btn {
    flex: 1;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: 12px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}
.toggle-btn:hover {
    background: var(--color-surface-3);
    color: var(--color-text-primary);
}
.toggle-btn.active {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}
.billing-content.hidden { display: none; }

/* Quantity Control */
.quantity-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.qty-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--color-surface-3);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}
.qty-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}
.quantity-control input {
    text-align: center;
    font-weight: 600;
    width: 80px;
}

/* Order Summary */
.order-summary-box {
    background: var(--color-surface-2);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}
.summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    font-size: 14px;
    color: var(--color-text-secondary);
}
.summary-row.total {
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-md);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-accent);
}

/* Payment Info */
.payment-info { display: flex; flex-direction: column; gap: var(--spacing-lg); }
.payment-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}
.payment-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.payment-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-surface-2);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}
.method-icon {
    width: 40px;
    height: 40px;
    background: rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4ade80;
}
.method-info { display: flex; flex-direction: column; }
.method-name { font-weight: 600; font-size: 14px; }
.method-desc { font-size: 12px; color: var(--color-text-muted); }
.qr-real {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-surface-2);
    border-radius: var(--radius-md);
}
.qr-real img {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    object-fit: cover;
}
.qr-real p {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}
.group-id {
    font-size: 16px;
    color: var(--color-accent);
    font-weight: 700;
    font-family: monospace;
}
.payment-tips {
    list-style: none;
}
.payment-tips li {
    font-size: 14px;
    color: var(--color-text-secondary);
    padding: var(--spacing-sm) 0;
    padding-left: 24px;
    position: relative;
}
.payment-tips li::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    width: 6px; height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    transform: translateY(-50%);
}

/* Payment Verification Modal */
.payment-verify { padding: var(--spacing-lg) 0; }
.verify-amount {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-surface-2);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
}
.verify-amount span {
    display: block;
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}
.verify-amount strong {
    font-size: 36px;
    color: var(--color-accent);
    font-family: var(--font-display);
}
.verify-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}
.verify-tab {
    flex: 1;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: 12px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}
.verify-tab:hover {
    background: var(--color-surface-3);
    color: var(--color-text-primary);
}
.verify-tab.active {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}
.verify-content { display: none; }
.verify-content.active { display: block; }
.form-hint {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}
.upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-2xl);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
}
.upload-area:hover {
    border-color: var(--color-accent);
    background: rgba(220, 38, 38, 0.05);
}
.upload-area svg {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}
.upload-area p {
    font-size: 14px;
    color: var(--color-text-muted);
}
.upload-preview {
    margin-top: var(--spacing-md);
    text-align: center;
}
.upload-preview img {
    max-width: 200px;
    max-height: 200px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}
.upload-preview.hidden { display: none; }
.btn-remove {
    background: var(--color-surface-3);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    cursor: pointer;
}
.btn-remove:hover {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

/* About Page */
.about-page { padding: var(--spacing-2xl) 0; }
.about-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-3xl);
}
.about-block {
    margin-bottom: var(--spacing-2xl);
}
.about-block h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
}
.about-block p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}
.about-list {
    list-style: none;
}
.about-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    font-size: 15px;
    color: var(--color-text-secondary);
}
.about-list li svg {
    color: var(--color-accent);
    flex-shrink: 0;
}
.contact-grid {
    display: grid;
    gap: var(--spacing-lg);
}
.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}
.contact-item:hover {
    border-color: var(--color-border-accent);
    transform: translateX(4px);
}
.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(220, 38, 38, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}
.contact-info {
    display: flex;
    flex-direction: column;
}
.contact-label {
    font-size: 12px;
    color: var(--color-text-muted);
}
.contact-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
}
.about-poster img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

/* Footer */
.footer {
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}
.footer-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}
.footer-brand p {
    font-size: 14px;
    color: var(--color-text-muted);
}
.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}
.footer-links a {
    font-size: 14px;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}
.footer-links a:hover {
    color: var(--color-accent);
}
.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-md);
    text-align: center;
}
.footer-bottom p {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}
.modal.active { display: flex; }
.modal-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modal-in 0.3s ease;
}
.modal-content.modal-small { max-width: 400px; }
@keyframes modal-in {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}
.modal-header h3 { font-size: 18px; font-weight: 700; }
.modal-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition-fast);
}
.modal-close:hover { color: var(--color-text-primary); }
.modal-body { padding: var(--spacing-xl); }
.modal-footer {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}
.modal-footer button { flex: 1; }

/* Profile Modal */
.profile-form { text-align: center; }
.avatar-upload {
    margin-bottom: var(--spacing-lg);
}
.avatar-preview {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-surface-3);
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    overflow: hidden;
}
.avatar-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Toast */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-surface-3);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-pill);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 3000;
    opacity: 0;
    transition: all 0.3s ease;
}
.toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Section Container */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Responsive */
@media (max-width: 1024px) {
    .order-layout,
    .about-layout {
        grid-template-columns: 1fr;
    }
    .payment-info { order: -1; }
    .about-poster { max-width: 300px; margin: 0 auto; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: flex; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-poster img { width: 150px; height: 150px; }
    .form-row { grid-template-columns: 1fr; }
    .price-grid { grid-template-columns: 1fr; }
    .footer-container { flex-direction: column; gap: var(--spacing-lg); text-align: center; }
    .feature-grid { grid-template-columns: 1fr; }
    .billing-toggle { flex-direction: column; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 42px; }
    .section-container { padding: 0 var(--spacing-md); }
    .order-form { padding: var(--spacing-lg); }
}