/* ========================================
   VNEX 全球样式 - 金色主题版
   与 art.vnex.cn 风格保持一致
   ======================================== */

:root {
    --primary: #D4A843;
    --primary-hover: #C49A3A;
    --primary-dim: rgba(212, 168, 67, 0.30);
    --primary-faint: rgba(212, 168, 67, 0.10);
    --secondary: #D4A843;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --text-primary: #FAFAFA;
    --text-secondary: #94A3B8;
    --text-muted: #647080;
    --text-light: rgba(250, 250, 250, 0.4);
    --bg-primary: #080808;
    --bg-secondary: #0E0E0E;
    --bg-tertiary: #050505;
    --bg-gradient-start: #080808;
    --bg-gradient-end: #080706;
    --border-color: rgba(250, 250, 250, 0.08);
    --border-color-hover: rgba(250, 250, 250, 0.15);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
    --shadow-xl: 0 12px 40px rgba(0,0,0,0.6);
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 4px;
    --radius-xl: 8px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --content-max-width: 1440px;
    
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB',
                 'Helvetica Neue', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-secondary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========================================
   公共导航栏 - 金色主题
   ======================================== */
.public-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: transparent;
    backdrop-filter: none;
    transition: var(--transition);
}

.public-nav.scrolled {
    background: rgba(8, 8, 8, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.public-nav-inner {
    max-width: var(--content-max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    height: 68px;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    letter-spacing: 0.05em;
}

.nav-logo span {
    color: var(--primary);
}

.public-nav-menu {
    display: flex;
    list-style: none;
    gap: 4px;
    margin: 0;
    padding: 0;
}

.public-nav-menu a {
    display: block;
    padding: 8px 18px;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.public-nav-menu a:hover {
    background: rgba(250, 250, 250, 0.05);
    color: var(--text-primary);
}

.public-nav-menu a.active {
    color: var(--text-primary);
    font-weight: 600;
    background: rgba(250, 250, 250, 0.05);
}

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

.btn-nav-primary {
    padding: 10px 22px;
    background: var(--primary);
    color: #0A0A0A;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    letter-spacing: 0.02em;
}

.btn-nav-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

/* 登录弹窗样式 */
.login-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.login-modal-overlay.active {
    display: flex !important;
}

.login-modal {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 420px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-xl);
    animation: modalFadeIn 0.3s ease;
    margin: auto;
    border: 1px solid var(--border-color);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(250,250,250,0.06);
    border: none;
    font-size: 28px;
    color: var(--text-light);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.login-modal-close:hover {
    background: rgba(250,250,250,0.1);
    color: var(--text-primary);
}

.login-modal-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-modal-header h2 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-modal-header p {
    font-size: 13px;
    color: var(--text-muted);
}

.login-modal-form .form-group {
    margin-bottom: 20px;
}

.login-modal-form .form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.login-modal-form .form-group input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
    transition: all 0.3s ease;
    box-sizing: border-box;
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.login-modal-form .form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255,255,255,0.02);
}

.login-modal-form .error-alert {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ef4444;
    font-size: 13px;
}

.login-modal-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.login-modal-footer p {
    font-size: 13px;
    color: var(--text-light);
}

.login-section-modern {
    display: none !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}

.hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
}

.hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   英雄区域（公共页面顶部）
   ======================================== */
.hero-section {
    position: relative;
    padding: 140px 0 80px;
    background: linear-gradient(180deg, var(--bg-gradient-start) 0%, #050505 100%);
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(212, 168, 67, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(212, 168, 67, 0.03) 0%, transparent 50%);
    z-index: 0;
}

.hero-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content-left {
    animation: fadeInUp 0.8s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--primary-faint);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
    border: 1px solid var(--primary-dim);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 52px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.15;
    margin-bottom: 20px;
}

.gradient-text {
    color: var(--primary);
}

.hero-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-description strong {
    color: var(--primary);
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.btn-primary-hero {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    background: var(--primary);
    color: #0A0A0A;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.02em;
}

.btn-primary-hero:hover {
    transform: translateY(-2px);
    background: var(--primary-hover);
}

.btn-secondary-hero {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid rgba(250, 250, 250, 0.2);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.02em;
}

.btn-secondary-hero:hover {
    border-color: var(--primary);
    background: var(--primary-faint);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    font-style: italic;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* 右侧出图演示 */
.hero-content-right {
    animation: fadeInRight 0.8s ease;
}

.image-generation-demo {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.demo-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(250,250,250,0.02);
    border-bottom: 1px solid var(--border-color);
}

.demo-dots {
    display: flex;
    gap: 6px;
}

.demo-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #333;
}

.demo-dots span:first-child {
    background: #ff5f57;
}

.demo-dots span:nth-child(2) {
    background: #ffbd2e;
}

.demo-dots span:last-child {
    background: #28ca42;
}

.demo-title {
    font-size: 12px;
    color: var(--text-light);
    font-weight: 500;
}

.demo-content {
    padding: 20px;
}

.demo-upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    background: rgba(250,250,250,0.02);
}

.demo-upload-area svg {
    opacity: 0.4;
}

.demo-upload-area span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.demo-upload-area small {
    font-size: 12px;
    color: var(--success);
}

.demo-progress {
    margin-bottom: 16px;
}

.progress-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.status-icon {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-icon.processing {
    background: var(--warning);
    animation: pulse 1.5s infinite;
}

.progress-bar-demo {
    height: 6px;
    background: rgba(250,250,250,0.06);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill-demo {
    height: 100%;
    background: var(--primary);
    border-radius: 3px;
    width: 0%;
    transition: width 0.5s ease;
}

.progress-count {
    font-size: 12px;
    color: var(--text-light);
    text-align: right;
}

.demo-image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.demo-img {
    border-radius: var(--radius-sm);
    overflow: hidden;
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
    animation-delay: var(--delay);
}

.demo-img img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.demo-img:hover img {
    transform: scale(1.05);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 12px;
    animation: bounce 2s infinite;
    z-index: 2;
}

/* ========================================
   视频演示模块
   ======================================== */
.video-demo-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.section-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 40px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 14px;
    color: var(--text-muted);
}

.video-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 16 / 9;
}

.video-placeholder {
    position: relative;
    width: 100%;
    height: 100%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-button {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(212, 168, 67, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.play-button:hover {
    transform: scale(1.1);
    background: var(--primary);
}

.video-duration {
    position: absolute;
    bottom: 16px;
    right: 16px;
    padding: 4px 12px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
}

.video-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.video-feature {
    text-align: center;
    padding: 20px;
    background: rgba(250,250,250,0.02);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.video-feature:hover {
    background: var(--primary-faint);
    border-color: var(--primary-dim);
    transform: translateY(-4px);
}

.feature-number {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    font-style: italic;
    color: var(--primary);
    opacity: 0.3;
    margin-bottom: 8px;
}

.video-feature h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.video-feature p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ========================================
   核心功能模块
   ======================================== */
.features-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.features-grid-modern {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card-modern {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card-modern:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
    border-color: var(--primary-dim);
}

.feature-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.feature-card-modern:hover .feature-image img {
    transform: scale(1.05);
}

.feature-content {
    padding: 24px;
}

.feature-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-faint);
    color: var(--primary);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-content h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.feature-content p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ========================================
   三步出图流程
   ======================================== */
.workflow-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.workflow-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.workflow-step {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    text-align: center;
}

.step-visual {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 16px;
    box-shadow: var(--shadow-md);
}

.step-visual img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.step-number {
    position: absolute;
    top: 12px;
    left: 12px;
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #0A0A0A;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
}

.workflow-step h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.workflow-step p {
    font-size: 13px;
    color: var(--text-muted);
}

.workflow-arrow {
    display: flex;
    align-items: center;
    padding-top: 60px;
}

/* ========================================
   适用场景展示
   ======================================== */
.scenarios-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

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

.scenario-card {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.scenario-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.scenario-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.scenario-card:hover img {
    transform: scale(1.05);
}

.scenario-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    color: var(--text-primary);
}

.scenario-overlay h4 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    font-style: italic;
    margin-bottom: 4px;
}

.scenario-overlay p {
    font-size: 13px;
    opacity: 0.9;
}

/* ========================================
   登录区域
   ======================================== */
.login-section-modern {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.login-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.login-info h2 {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.login-info > p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.login-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.login-form-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.login-form-card h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 24px;
    text-align: center;
}

.error-alert {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    color: #ef4444;
    font-size: 13px;
    margin-bottom: 16px;
}

.form-group-modern {
    margin-bottom: 20px;
}

.form-group-modern label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper svg {
    position: absolute;
    left: 12px;
    pointer-events: none;
    opacity: 0.5;
}

.input-wrapper input {
    width: 100%;
    padding: 12px 14px 12px 44px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
    transition: var(--transition);
    font-family: inherit;
    background: rgba(255,255,255,0.02);
    color: var(--text-primary);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255,255,255,0.03);
}

.btn-login-modern {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: #0A0A0A;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.02em;
}

.btn-login-modern:hover {
    opacity: 0.95;
    background: var(--primary-hover);
}

/* ========================================
   现代化公共页脚 - 金色主题
   ======================================== */
.modern-footer {
    background: var(--bg-tertiary);
    color: #8b949e;
    position: relative;
    overflow: hidden;
}

.modern-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212,168,67,0.3), transparent);
}

.modern-footer .footer-main {
    padding: 80px 0 50px;
}

.modern-footer .footer-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-brand-col {
    padding-right: 24px;
}

.footer-brand-col .footer-logo {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    letter-spacing: 0.05em;
    text-decoration: none;
    display: inline-block;
    transition: opacity 0.2s;
}

.footer-brand-col .footer-logo span {
    color: var(--primary);
}

.footer-brand-col .footer-logo:hover {
    opacity: 0.85;
}

.footer-brand-desc {
    font-size: 13px;
    line-height: 1.7;
    color: #8b949e;
    margin-top: 16px;
    max-width: 280px;
}

.footer-brand-tech {
    font-size: 12px;
    color: #586069;
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 24px;
}

.social-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(250,250,250,0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: #8b949e;
    transition: all 0.25s ease;
    text-decoration: none;
}

.social-btn:hover {
    background: var(--primary);
    color: #0A0A0A;
    border-color: var(--primary);
    transform: translateY(-3px);
}

.social-btn svg {
    width: 18px;
    height: 18px;
}

.footer-contact-info {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: #b0b8c4;
    font-size: 13px;
}

.footer-contact-item svg {
    flex-shrink: 0;
    color: var(--primary);
}

.footer-contact-item a {
    color: #b0b8c4;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-contact-item a:hover {
    color: var(--text-primary);
}

.footer-contact-qrcode {
    margin-top: 14px;
}

.footer-contact-qrcode img {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    display: block;
}

.footer-contact-qrcode span {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: #6b7280;
}

.footer-link-col h4 {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-link-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-link-col li {
    margin-bottom: 4px;
}

.footer-link-col a {
    display: inline-block;
    color: #8b949e;
    font-size: 13px;
    line-height: 2.2;
    transition: all 0.2s;
    text-decoration: none;
}

.footer-link-col a:hover {
    color: var(--text-primary);
    transform: translateX(4px);
}

.modern-footer .footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
}

.modern-footer .footer-bottom .footer-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    grid-template-columns: none;
    gap: 0;
}

.footer-bottom-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-bottom-left p {
    font-size: 12px;
    color: #586069;
}

.footer-icp {
    font-size: 12px;
    color: #586069;
    padding-left: 20px;
    border-left: 1px solid var(--border-color);
    transition: color 0.2s;
}

.footer-icp:hover {
    color: #8b949e;
}

.footer-bottom-right {
    font-size: 12px;
    color: #484f58;
}

.footer-build {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 46px;
    height: 46px;
    background: var(--primary);
    color: #0A0A0A;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all 0.3s ease;
    z-index: 900;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-hover);
    transform: translateY(-4px);
}

/* 右下角悬浮联系方式 */
.floating-contact {
    position: fixed;
    bottom: 90px;
    right: 32px;
    z-index: 910;
}

.floating-contact-toggle {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: #0A0A0A;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    animation: contactPulse 2s infinite;
}

@keyframes contactPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(212,168,67,0.3); }
    50% { box-shadow: 0 4px 28px rgba(212,168,67,0.5), 0 0 0 8px rgba(212,168,67,0.06); }
}

.floating-contact-toggle:hover {
    transform: scale(1.08) rotate(-5deg);
    background: var(--primary-hover);
}

.floating-contact.active .floating-contact-toggle {
    animation: none;
    border-radius: var(--radius-sm);
    transform: rotate(45deg);
}

/* ========================================
   内页通用样式 - 金色主题
   ======================================== */
.content-page-banner-modern {
    padding: 80px 0 60px;
    position: relative;
    background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--border-color);
}

.banner-inner {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    flex-wrap: wrap;
}

.banner-content { flex: 1; min-width: 280px; max-width: 680px; }
.banner-content h1 {
    font-family: var(--font-display);
    font-size: 64px;
    font-style: italic;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: 20px;
}
.banner-content p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 32px;
}
.banner-image {
    flex: 0 0 auto;
    max-width: 480px;
}
.banner-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.content-page-body-modern {
    padding-top: 80px;
    background: var(--bg-primary);
}

/* ========================================
   指南页面样式
   ======================================== */
.guide-section {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 40px 100px;
}

.section-title-center {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle-center {
    font-size: 14px;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 48px;
}

.guide-steps-modern {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.guide-step-modern {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    min-width: 280px;
    transition: var(--transition);
}

.guide-step-modern:hover {
    border-color: var(--primary-dim);
    background: var(--primary-faint);
}

.step-number-modern {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: #0A0A0A;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content-modern h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.step-content-modern p {
    font-size: 13px;
    color: var(--text-muted);
}

.excel-spec-modern {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 32px;
}

.excel-spec-modern h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.excel-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.excel-table th, .excel-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
}

.excel-table th {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 12px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.excel-table td {
    color: var(--text-secondary);
}

.excel-table tr:hover td {
    background: rgba(250,250,250,0.02);
}

.excel-note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 13px;
    color: #fbbf24;
}

.excel-note svg { flex-shrink: 0; }

.btn-download-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: var(--primary);
    color: #0A0A0A;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}

.btn-download-modern:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.download-unavailable-modern {
    display: inline-block;
    padding: 12px 24px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.template-info-modern {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.template-info-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 32px;
}

.template-info-card .info-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-faint);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.template-info-card h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.template-info-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.template-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.template-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-secondary);
}

.template-feature svg { flex-shrink: 0; color: var(--success); }

.faq-container-modern {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item-modern {
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item-modern.active {
    border-color: var(--primary-dim);
}

.faq-question-modern {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 18px;
    color: var(--text-primary);
    font-weight: 600;
}

.faq-question-modern svg {
    color: var(--primary);
    font-size: 24px;
    transition: transform var(--transition);
}

.faq-item-modern.active .faq-question-modern svg {
    transform: rotate(45deg);
}

.faq-answer-modern {
    padding: 0 24px 20px;
    display: none;
}

.faq-item-modern.active .faq-answer-modern {
    display: block;
}

.faq-answer-modern p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.guide-cta {
    text-align: center;
    padding: 80px 40px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.guide-cta h2 {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.guide-cta p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.guide-cta .cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   价格页面样式
   ======================================== */
.pricing-banner {
    padding: 80px 0 60px;
    position: relative;
    background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--border-color);
}

.pricing-banner .banner-content {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
}

.pricing-banner .banner-content h1 {
    font-family: var(--font-display);
    font-size: 64px;
    font-style: italic;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: 20px;
}

.pricing-banner .banner-content p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

.pricing-content {
    padding-top: 80px;
    background: var(--bg-primary);
}

.price-hero-stats-modern {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 40px 100px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.price-card-modern {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

.price-card-modern:hover {
    border-color: var(--primary-dim);
    transform: translateY(-3px);
}

.price-card-modern.highlight {
    border-color: var(--primary);
    background: linear-gradient(180deg, var(--primary-faint) 0%, var(--bg-secondary) 100%);
}

.price-card-modern .price-icon {
    margin-bottom: 20px;
}

.price-num-modern {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    font-style: italic;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 4px;
}

.price-unit-modern {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 600;
}

.price-label-modern {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
}

.recharge-section {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 40px 100px;
}

.recharge-grid-modern {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.recharge-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.recharge-card:hover {
    border-color: var(--primary);
    background: var(--primary-faint);
}

.recharge-amount-modern {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    font-style: italic;
    color: var(--primary);
    margin-bottom: 8px;
}

.recharge-count {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.recharge-per-image {
    font-size: 12px;
    color: var(--text-muted);
}

.billing-section {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 40px 100px;
}

.billing-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 32px;
}

.billing-rules-modern {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.billing-rule {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.billing-rule .rule-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(34, 197, 94, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.billing-rule .rule-text h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.billing-rule .rule-text p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

.comparison-section {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 40px 100px;
}

.comparison-table-modern {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.comparison-table-modern table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table-modern th,
.comparison-table-modern td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
}

.comparison-table-modern th {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 12px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: var(--bg-tertiary);
}

.comparison-table-modern td {
    color: var(--text-secondary);
}

.comparison-table-modern .highlight-col {
    color: var(--primary);
    font-weight: 600;
}

.comparison-table-modern tr:last-child td {
    border-bottom: none;
}

.pricing-cta {
    text-align: center;
    padding: 80px 40px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.pricing-cta h2 {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.pricing-cta p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.pricing-cta .cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   悬浮联系面板
   ======================================== */
.floating-contact-panel {
    position: absolute;
    bottom: 58px;
    right: 0;
    width: 280px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0,0,0,0.3), 0 2px 10px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px) scale(0.95);
    transition: all 0.25s ease;
    transform-origin: bottom right;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.floating-contact.active .floating-contact-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.contact-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--primary);
    color: #0A0A0A;
    font-size: 13px;
    font-weight: 700;
}

.contact-panel-close {
    background: none;
    border: none;
    color: rgba(0,0,0,0.6);
    font-size: 20px;
    cursor: pointer;
    line-height: 1;
    padding: 0 2px;
    transition: color 0.2s;
}

.contact-panel-close:hover { color: #0A0A0A; }

.contact-panel-body { padding: 12px 0; }

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    transition: background 0.2s;
}

.contact-item:hover { background: rgba(250,250,250,0.03); }

.contact-item-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--primary-faint);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.contact-item-content {
    min-width: 0;
}

.contact-item-label {
    font-size: 11px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.contact-item a {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: none;
    word-break: break-all;
}

.contact-item a:hover { color: var(--primary); }

.contact-item-qrcode {
    flex-direction: column;
    text-align: center;
    padding-bottom: 16px;
}

.contact-item-qrcode .contact-item-label { margin-bottom: 8px; }

.contact-qrcode-img {
    width: 140px;
    height: 140px;
    object-fit: contain;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 4px;
}

@media(max-width:768px){
    .floating-contact {
        bottom: 70px;
        right: 18px;
    }
    .floating-contact-toggle { width: 42px; height: 42px; }
    .floating-contact-panel { width: 260px; }
}

.public-footer { display: none; }

/* ========================================
   内容页通用样式 - 金色主题
   ======================================== */
.content-page-banner {
    padding: 140px 40px 60px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
}

.content-page-banner h1 {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.content-page-banner p {
    font-size: 14px;
    color: var(--text-muted);
}

.content-page-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 24px 100px;
}

.content-page-body h2 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin: 40px 0 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.content-page-body h2:first-child {
    margin-top: 0;
}

.content-page-body h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    font-style: italic;
    color: var(--text-primary);
    margin: 24px 0 12px;
}

.content-page-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 14px;
}

.content-page-body ul,
.content-page-body ol {
    padding-left: 24px;
    margin-bottom: 14px;
}

.content-page-body li {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 2;
}

/* ========================================
   动画关键帧
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(212, 168, 67, 0.2);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(212, 168, 67, 0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-content-right {
        display: none;
    }

    .features-grid-modern {
        grid-template-columns: repeat(2, 1fr);
    }

    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .login-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .video-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .public-nav-inner {
        padding: 0 20px;
    }

    .public-nav-menu {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: rgba(8, 8, 8, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
    }

    .public-nav-menu.open {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .hero-section {
        padding: 120px 0 60px;
        min-height: auto;
    }

    .hero-container {
        padding: 0 20px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-description {
        font-size: 14px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .section-container {
        padding: 0 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .features-grid-modern {
        grid-template-columns: 1fr;
    }

    .workflow-steps {
        flex-direction: column;
        align-items: center;
    }

    .workflow-arrow {
        padding-top: 0;
        transform: rotate(90deg);
    }

    .scenarios-grid {
        grid-template-columns: 1fr;
    }

    .video-features {
        grid-template-columns: 1fr 1fr;
    }

    .footer-inner {
        flex-direction: column;
        gap: 32px;
        padding: 0 20px 32px;
    }

    .footer-links {
        gap: 32px;
        flex-wrap: wrap;
    }

    .modern-footer .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }

    .footer-brand-col {
        grid-column: 1 / -1;
        padding-right: 0;
        margin-bottom: 12px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-primary-hero,
    .btn-secondary-hero {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .video-features {
        grid-template-columns: 1fr;
    }

    .login-form-card {
        padding: 24px;
    }

    .modern-footer .footer-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .modern-footer .footer-bottom .footer-container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .footer-bottom-left {
        flex-direction: column;
        gap: 8px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

/* ========================================
   艺术市场周报页面样式 - 金色主题
   ======================================== */
.reports-page-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 140px 24px 40px;
}

.reports-page-header {
    text-align: center;
    margin-bottom: 48px;
}

.reports-badge {
    display: inline-block;
    background: var(--primary-faint);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    border: 1px solid var(--primary-dim);
}

.reports-page-header h1 {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.reports-page-header p {
    font-size: 14px;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto;
}

.reports-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-light);
}

.reports-empty svg {
    margin-bottom: 16px;
}

.reports-empty p {
    font-size: 15px;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.reports-empty .empty-hint {
    font-size: 13px;
    color: var(--text-light);
}

.reports-list {
    display: grid;
    gap: 24px;
}

.report-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    padding: 28px;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.report-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-dim);
}

.report-badge-new {
    display: inline-block;
    background: var(--primary);
    color: #0A0A0A;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.report-date {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.report-header h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin: 0;
}

.report-header h3 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.report-header h3 a:hover {
    color: var(--primary);
}

.report-read-more {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 13px;
    text-decoration: none;
    transition: color 0.2s;
}

.report-read-more:hover {
    color: var(--primary-hover);
}

.report-summary {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-top: 12px;
}

.report-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.report-footer span {
    font-size: 12px;
    color: var(--text-light);
}

.reports-page-footer {
    text-align: center;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.reports-page-footer p {
    font-size: 13px;
    color: var(--text-light);
}

.reports-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
}

.reports-back-link:hover {
    color: var(--primary-hover);
}

/* ========================================
   价格页样式 - 金色主题
   ======================================== */
.price-hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto 48px;
}

.price-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 36px 24px;
    text-align: center;
    transition: var(--transition);
}

.price-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary-dim);
}

.price-card.highlight {
    border-color: var(--primary);
    background: var(--primary-faint);
}

.price-num {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    font-style: italic;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}

.price-unit {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.price-label {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 8px;
}

.recharge-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 900px;
    margin: 0 auto 48px;
}

.recharge-tier {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 24px 16px;
    text-align: center;
    transition: var(--transition);
}

.recharge-tier:hover {
    border-color: var(--primary);
    background: var(--primary-faint);
}

.tier-amount {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    font-style: italic;
    color: var(--primary);
}

.tier-amount::before {
    content: '¥';
    font-size: 18px;
}

.tier-count {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 6px;
}

.billing-rules {
    max-width: 700px;
    margin: 0 auto 48px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 28px 32px;
    border: 1px solid var(--border-color);
}

.billing-rules h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.billing-rules ul {
    list-style: none;
    padding: 0;
}

.billing-rules li {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 2.2;
    padding-left: 24px;
    position: relative;
}

.billing-rules li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

@media (max-width: 768px) {
    .price-hero-stats {
        grid-template-columns: 1fr;
    }

    .recharge-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* ========================================
   内容页横幅样式
   ======================================== */
.content-page-banner-modern {
    padding: 140px 40px 60px;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
}

.content-page-banner-modern .banner-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.content-page-banner-modern .banner-content h1 {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.2;
}

.content-page-banner-modern .banner-content p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
}

.content-page-banner-modern .banner-image {
    display: flex;
    justify-content: center;
}

.content-page-banner-modern .banner-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

.content-page-body-modern {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 40px 100px;
}

@media (max-width: 768px) {
    .content-page-banner-modern {
        padding: 100px 20px 40px;
    }

    .content-page-banner-modern .banner-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .content-page-banner-modern .banner-content h1 {
        font-size: 28px;
    }

    .content-page-body-modern {
        padding: 40px 20px 80px;
    }
}

/* ========================================
   关于我们页面样式
   ======================================== */
.about-page-body .section-head {
    text-align: center;
    margin-bottom: 48px;
}

.about-page-body .section-kicker {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
    display: inline-block;
}

.about-page-body .section-head h2 {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.about-page-body .section-head p {
    font-size: 14px;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 64px;
}

.problem-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.problem-item:hover {
    border-color: var(--primary-dim);
}

.problem-emoji {
    font-size: 32px;
    margin-bottom: 12px;
}

.problem-item h3 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.problem-item p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.problem-arrow {
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: var(--border-color);
}

.problem-solve-tag {
    display: inline-block;
    background: var(--primary-faint);
    color: var(--primary);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    margin-top: 12px;
}

.how-it-works {
    margin-bottom: 64px;
}

.steps-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.step-item {
    text-align: center;
    max-width: 240px;
}

.step-num {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    font-style: italic;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 12px;
}

.step-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-faint);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--primary);
}

.step-item h3 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.step-item p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-arrow {
    color: var(--border-color);
    flex-shrink: 0;
}

.two-column-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 64px;
}

.col-card {
    border-radius: var(--radius-sm);
    padding: 32px;
}

.col-card-light {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.col-card-dark {
    background: linear-gradient(135deg, rgba(212,168,67,0.08) 0%, rgba(212,168,67,0.02) 100%);
    border: 1px solid var(--primary-dim);
}

.col-kicker {
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
    display: inline-block;
}

.col-card h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.col-list {
    list-style: none;
    padding: 0;
}

.col-list li {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 2;
    padding-left: 20px;
    position: relative;
}

.col-dot {
    position: absolute;
    left: 0;
    color: var(--primary);
}

.col-lead {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.col-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.col-feature-item {
    font-size: 13px;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
}

.col-feature-item span {
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.final-cta {
    text-align: center;
    padding: 60px 40px;
    background: linear-gradient(135deg, rgba(212,168,67,0.08) 0%, rgba(212,168,67,0.02) 100%);
    border-radius: var(--radius-sm);
    border: 1px solid var(--primary-dim);
}

.final-cta-inner h2 {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.final-cta-inner p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.final-cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-final-primary {
    background: var(--primary);
    color: #0A0A0A;
    font-weight: 700;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.btn-final-primary:hover {
    background: var(--primary-hover);
}

.btn-final-secondary {
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 14px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.btn-final-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

@media (max-width: 768px) {
    .problem-grid {
        grid-template-columns: 1fr;
    }

    .steps-flow {
        flex-direction: column;
        gap: 32px;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .two-column-section {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   联系我们页面样式
   ======================================== */
.contact-page-body .section-head {
    text-align: center;
    margin-bottom: 48px;
}

.contact-page-body .section-kicker {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
    display: inline-block;
}

.contact-page-body .section-head h2 {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.contact-page-body .section-head p {
    font-size: 14px;
    color: var(--text-muted);
}

.contact-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 64px;
}

.contact-left {
    display: flex;
    flex-direction: column;
}

.contact-left-head {
    margin-bottom: 24px;
}

.contact-left-head h2 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-left-head p {
    font-size: 13px;
    color: var(--text-muted);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.method-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.method-item:hover {
    border-color: var(--primary);
    background: var(--primary-faint);
}

.method-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-faint);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.method-body {
    flex: 1;
    min-width: 0;
}

.method-label {
    font-size: 11px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 4px;
}

.method-value {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 600;
}

.method-action {
    flex-shrink: 0;
}

.method-action a {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.copy-hint {
    font-size: 12px;
    color: var(--text-light);
}

.hours-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.hours-icon-box {
    width: 48px;
    height: 48px;
    background: var(--primary-faint);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.hours-title {
    font-size: 11px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 4px;
}

.hours-value {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 600;
}

.contact-right {
    display: flex;
    align-items: center;
    justify-content: center;
}

.qrcode-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 32px;
    text-align: center;
    max-width: 300px;
    width: 100%;
}

.qrcode-badge {
    display: inline-block;
    background: var(--primary);
    color: #0A0A0A;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}

.qrcode-img-box {
    margin-bottom: 16px;
}

.qrcode-img-box img {
    width: 180px;
    height: 180px;
    object-fit: contain;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px;
}

.qrcode-card h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.qrcode-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.qrcode-tips {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.qrcode-tips span {
    font-size: 12px;
    color: var(--text-muted);
}

.welcome-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 32px;
    text-align: center;
    max-width: 300px;
    width: 100%;
}

.welcome-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-faint);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--primary);
}

.welcome-card h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.welcome-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.welcome-checklist {
    text-align: left;
}

.welcome-checklist div {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 2;
    padding-left: 20px;
    position: relative;
}

.welcome-checklist span {
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.contact-empty {
    text-align: center;
    padding: 80px 20px;
}

.contact-empty-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-empty-inner svg {
    width: 56px;
    height: 56px;
    color: var(--text-light);
    margin-bottom: 16px;
}

.contact-empty-inner h2 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-empty-inner p {
    font-size: 14px;
    color: var(--text-muted);
}

.contact-faq {
    margin-top: 48px;
}

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

.faq-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px;
}

.faq-item h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.faq-item p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .contact-main {
        grid-template-columns: 1fr;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   使用说明页样式
   ======================================== */
.guide-section {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 40px 100px;
}

.section-title-center {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle-center {
    font-size: 15px;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 48px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.guide-step-modern {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    min-width: 280px;
    transition: var(--transition);
}

.guide-step-modern:hover {
    border-color: var(--primary);
    background: var(--primary-faint);
}

.guide-step-num-modern {
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: #0A0A0A;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    font-style: italic;
    flex-shrink: 0;
}

.guide-step-content {
    flex: 1;
}

.guide-step-content h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.guide-step-content p {
    font-size: 13px;
    color: var(--text-secondary);
}

.guide-steps-container {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.excel-spec-modern {
    max-width: 800px;
    margin: 0 auto 48px;
}

.spec-title-modern {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 24px;
}

.spec-table-modern {
    width: 100%;
    border-collapse: collapse;
}

.spec-table-modern th,
.spec-table-modern td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.spec-table-modern th {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg-secondary);
}

.spec-table-modern td {
    font-size: 13px;
    color: var(--text-secondary);
}

.spec-table-modern tr:hover td {
    background: rgba(212,168,67,0.03);
}

.spec-col-name {
    font-weight: 600;
    color: var(--text-primary);
}

.spec-col-desc {
    line-height: 1.6;
}

.spec-col-required {
    color: var(--primary);
    font-weight: 700;
}

.faq-container-modern {
    max-width: 800px;
    margin: 0 auto;
}

.faq-title-modern {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 32px;
}

.faq-item-modern {
    border-bottom: 1px solid var(--border-color);
}

.faq-item-modern:last-child {
    border-bottom: none;
}

.faq-question-modern {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    cursor: pointer;
    transition: color 0.2s;
}

.faq-question-modern:hover {
    color: var(--primary);
}

.faq-question-modern h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.faq-toggle-modern {
    width: 28px;
    height: 28px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 14px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.faq-item-modern.active .faq-toggle-modern {
    background: var(--primary);
    border-color: var(--primary);
    color: #0A0A0A;
    transform: rotate(45deg);
}

.faq-answer-modern {
    padding: 0 0 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    display: none;
}

.faq-item-modern.active .faq-answer-modern {
    display: block;
}

/* ========================================
   价格页样式
   ======================================== */
.pricing-banner {
    padding: 140px 40px 60px;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
    text-align: center;
}

.pricing-banner h1 {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.pricing-banner p {
    font-size: 15px;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto;
}

.price-hero-stats-modern {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto 48px;
    padding: 0 40px;
}

.price-card-modern {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 36px 24px;
    text-align: center;
    transition: var(--transition);
}

.price-card-modern:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary-dim);
}

.price-card-modern.highlight {
    border-color: var(--primary);
    background: var(--primary-faint);
}

.price-num-modern {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    font-style: italic;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}

.price-unit-modern {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.price-label-modern {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 8px;
}

.recharge-section {
    max-width: 900px;
    margin: 0 auto 48px;
    padding: 0 40px;
}

.recharge-section h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 32px;
}

.recharge-grid-modern {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.recharge-tier-modern {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 24px 16px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.recharge-tier-modern:hover {
    border-color: var(--primary);
    background: var(--primary-faint);
}

.recharge-tier-modern.selected {
    border-color: var(--primary);
    background: var(--primary-faint);
    box-shadow: 0 0 0 2px rgba(212,168,67,0.3);
}

.tier-amount-modern {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    font-style: italic;
    color: var(--primary);
}

.tier-amount-modern::before {
    content: '¥';
    font-size: 18px;
}

.tier-count-modern {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 6px;
}

.billing-section {
    max-width: 700px;
    margin: 0 auto 48px;
    padding: 0 40px;
}

.billing-section h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 32px;
}

.billing-rules-modern {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 28px 32px;
    border: 1px solid var(--border-color);
}

.billing-rules-modern ul {
    list-style: none;
    padding: 0;
}

.billing-rules-modern li {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 2.2;
    padding-left: 24px;
    position: relative;
}

.billing-rules-modern li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.comparison-section {
    max-width: 900px;
    margin: 0 auto 48px;
    padding: 0 40px;
}

.comparison-section h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 32px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.comparison-table th,
.comparison-table td {
    padding: 16px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    background: rgba(212,168,67,0.08);
}

.comparison-table td {
    font-size: 13px;
    color: var(--text-secondary);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-feature {
    text-align: left !important;
    font-weight: 600;
    color: var(--text-primary) !important;
}

.comparison-check {
    color: var(--primary);
    font-weight: 700;
}

.comparison-cross {
    color: var(--text-light);
}

.pricing-cta-modern {
    text-align: center;
    padding: 60px 40px;
    background: linear-gradient(135deg, rgba(212,168,67,0.08) 0%, rgba(212,168,67,0.02) 100%);
    border-radius: var(--radius-sm);
    border: 1px solid var(--primary-dim);
    max-width: 900px;
    margin: 0 auto;
}

.pricing-cta-modern h3 {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.pricing-cta-modern p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.cta-buttons-modern {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .pricing-banner {
        padding: 100px 20px 40px;
    }

    .pricing-banner h1 {
        font-size: 28px;
    }

    .price-hero-stats-modern {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }

    .recharge-grid-modern {
        grid-template-columns: repeat(2, 1fr);
    }

    .recharge-section,
    .billing-section,
    .comparison-section {
        padding: 0 20px;
    }

    .comparison-table {
        display: block;
        overflow-x: auto;
    }
}

@media (max-width: 480px) {
    .recharge-grid-modern {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   用户端后台样式 - 金色主题
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(8, 8, 8, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(250,250,250,0.08);
}

.navbar .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.navbar .nav-brand {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    font-style: italic;
    color: var(--primary);
    text-decoration: none;
}

.navbar .nav-menu {
    display: flex;
    gap: 24px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.navbar .nav-menu a {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.navbar .nav-menu a:hover {
    color: var(--primary);
}

.navbar.admin-nav .nav-brand {
    color: var(--primary);
}

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px 40px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.page-header h2 {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin: 0;
}

.user-info {
    font-size: 13px;
    color: var(--text-secondary);
}

.user-info .badge-admin {
    background: var(--primary);
    color: #0A0A0A;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-left: 8px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--primary-dim);
    box-shadow: var(--shadow-md);
}

.stat-label {
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    font-style: italic;
    color: var(--primary);
}

.quick-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.action-btn:hover {
    border-color: var(--primary);
    background: var(--primary-faint);
    color: var(--primary);
}

.action-btn.primary {
    background: var(--primary);
    color: #0A0A0A;
    border-color: var(--primary);
}

.action-btn.primary:hover {
    background: var(--primary-hover);
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 24px;
}

.card h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    font-style: italic;
    color: var(--text-primary);
    margin: 0 0 16px;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-light);
}

.empty-state a {
    color: var(--primary);
    text-decoration: none;
}

.empty-state a:hover {
    text-decoration: underline;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(250,250,250,0.03);
}

.table td {
    font-size: 13px;
    color: var(--text-secondary);
}

.table tr:hover td {
    background: rgba(212,168,67,0.03);
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius-sm);
}

.badge-success {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.badge-error,
.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.badge-info {
    background: var(--primary-faint);
    color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
    border: 1px solid transparent;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: #0A0A0A;
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    border-color: rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    background: rgba(245, 158, 11, 0.25);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 32px;
    font-size: 15px;
}

/* ========================================
   管理后台专属样式
   ======================================== */
.navbar.admin-nav {
    background: rgba(8, 8, 8, 0.98);
}

.navbar.admin-nav .nav-menu a {
    font-size: 13px;
    color: var(--text-secondary);
}

.navbar.admin-nav .nav-menu a:hover {
    color: var(--primary);
}

/* ========================================
   响应式设计 - 后台页面
   ======================================== */
@media (max-width: 768px) {
    .navbar .nav-inner {
        padding: 0 16px;
    }

    .navbar .nav-menu {
        gap: 16px;
    }

    .navbar .nav-menu a {
        font-size: 12px;
    }

    .main-content {
        padding: 80px 16px 40px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .page-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .quick-actions {
        flex-direction: column;
    }

    .action-btn {
        width: 100%;
        justify-content: center;
    }

    .table {
        display: block;
        overflow-x: auto;
    }
}

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

/* ========================================
   钱包页面样式 - 金色主题
   ======================================== */
.wallet-overview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.balance-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.balance-card:hover {
    border-color: var(--primary-dim);
    box-shadow: var(--shadow-md);
}

.balance-card.primary {
    background: linear-gradient(135deg, rgba(212,168,67,0.15) 0%, rgba(212,168,67,0.05) 100%);
    border-color: var(--primary);
}

.balance-label {
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.balance-amount {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    font-style: italic;
    color: var(--primary);
    line-height: 1;
}

.balance-amount.small {
    font-size: 20px;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .wallet-overview {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .wallet-overview {
        grid-template-columns: 1fr;
    }
    
    .balance-amount {
        font-size: 28px;
    }
}