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

:root {
    /* 明亮色彩系统 - 青绿色调 */
    --color-primary: #06b6d4;
    --color-primary-dark: #0891b2;
    --color-primary-light: #22d3ee;
    --color-secondary: #10b981;
    --color-secondary-dark: #059669;
    --color-accent: #f59e0b;
    --color-accent-light: #fbbf24;
    --color-danger: #ef4444;

    /* 明亮背景 */
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-lighter: #f3f4f6;
    --bg-gray: #e5e7eb;

    /* 文本颜色 */
    --text-primary: #111827;
    --text-secondary: #374151;
    --text-tertiary: #6b7280;
    --text-light: #9ca3af;

    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --gradient-cool: linear-gradient(135deg, #06b6d4 0%, #6366f1 100%);

    /* 阴影效果 */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-color: 0 10px 30px -5px rgba(6, 182, 212, 0.3);

    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 50px;

    /* 动画 */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --duration: 0.3s;
}

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-light);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================
   网站头部
============================================ */
.site-header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--color-primary);
}

.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    min-height: 70px;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.site-icon {
    width: 50px;
    height: 50px;
    object-fit: contain;
    transition: transform var(--duration) var(--ease);
}

.site-icon:hover {
    transform: scale(1.1) rotate(10deg);
}

.branding-text {
    display: flex;
    flex-direction: column;
}

.site-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
}

.site-subtitle {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 600;
}

.nav-trigger {
    display: none;
    background: var(--bg-lighter);
    border: 2px solid var(--bg-gray);
    color: var(--text-primary);
    font-size: 1.4rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--duration) var(--ease);
}

.nav-trigger:hover {
    background: var(--color-primary);
    color: var(--bg-white);
    border-color: var(--color-primary);
}

.main-nav {
    display: flex;
    gap: 0.25rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-full);
    transition: all var(--duration) var(--ease);
}

.main-nav a:hover {
    background: var(--gradient-primary);
    color: var(--bg-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   Hero横幅
============================================ */
.hero-banner {
    background: var(--gradient-primary);
    padding: 3.5rem 0;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--bg-white);
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-desc {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
    max-width: 800px;
    margin: 0 auto;
}

/* ============================================
   特色精选区 - 双栏布局
============================================ */
.featured-section {
    padding: 3rem 1.5rem;
    background: var(--bg-white);
}

.featured-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.featured-main {
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.featured-hero {
    position: relative;
    height: 450px;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
}

.featured-hero:hover {
    transform: scale(1.02);
}

.featured-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
    color: var(--bg-white);
}

.featured-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--color-accent);
    color: var(--bg-white);
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
}

.featured-info h2 {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

.featured-info p {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.featured-cta {
    padding: 0.75rem 1.75rem;
    background: var(--gradient-primary);
    color: var(--bg-white);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
}

.featured-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.featured-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.featured-sidebar h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.sidebar-item {
    display: flex;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--bg-lighter);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration) var(--ease);
}

.sidebar-item:hover {
    background: var(--bg-gray);
    transform: translateX(5px);
}

.sidebar-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.sidebar-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.sidebar-text h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.sidebar-text span {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--color-primary);
}

/* ============================================
   数据统计面板
============================================ */
.stats-panel {
    padding: 3rem 1.5rem;
    background: var(--gradient-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.stat-box {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all var(--duration) var(--ease);
}

.stat-box:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
}

.stat-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    font-size: 2rem;
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.stat-content h3 {
    font-size: 2.25rem;
    font-weight: 900;
    color: var(--bg-white);
    margin-bottom: 0.25rem;
}

.stat-content p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.95);
}

/* ============================================
   发现新作品 - 时间线
============================================ */
.discover-section {
    padding: 4.5rem 1.5rem;
    background: var(--bg-lighter);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 80px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-primary);
    opacity: 0.3;
}

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
    padding-left: 140px;
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 140px;
    padding: 0.5rem 1rem;
    background: var(--gradient-primary);
    color: var(--bg-white);
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
    border-radius: var(--radius-full);
}

.timeline-card {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: all var(--duration) var(--ease);
}

.timeline-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateX(10px);
}

.timeline-card img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.timeline-body {
    flex: 1;
}

.timeline-body h3 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timeline-body > p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.timeline-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.timeline-meta i {
    color: var(--color-primary);
    margin-right: 0.25rem;
}

/* ============================================
   创作者排行榜 - 表格
============================================ */
.creators-ranking {
    padding: 4.5rem 1.5rem;
    background: var(--bg-white);
}

.ranking-table {
    overflow-x: auto;
}

.ranking-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.ranking-table thead {
    background: var(--gradient-primary);
    color: var(--bg-white);
}

.ranking-table th {
    padding: 1.25rem 1rem;
    text-align: left;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ranking-table tbody tr {
    border-bottom: 1px solid var(--bg-gray);
    transition: all var(--duration) var(--ease);
    cursor: pointer;
}

.ranking-table tbody tr:hover {
    background: var(--bg-lighter);
}

.ranking-table td {
    padding: 1rem;
    font-size: 0.9rem;
}

.rank-col {
    font-size: 1.5rem;
    font-weight: 900;
    text-align: center;
}

.rank-col.gold { color: #ffd700; }
.rank-col.silver { color: #c0c0c0; }
.rank-col.bronze { color: #cd7f32; }

.creator-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.creator-info img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.creator-info span {
    font-weight: 600;
    color: var(--text-primary);
}

.tag {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
}

.rating {
    color: var(--color-accent);
    font-weight: 700;
}

/* ============================================
   区域标题
============================================ */
.section-heading {
    font-size: 2.25rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.section-heading i {
    color: var(--color-primary);
    margin-right: 0.75rem;
}

.section-lead {
    font-size: 1.05rem;
    text-align: center;
    color: var(--text-tertiary);
    margin-bottom: 2.5rem;
    font-weight: 500;
}

/* ============================================
   内容展示区
============================================ */
.content-showcase {
    padding: 4.5rem 1.5rem;
    background: var(--bg-lighter);
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
}

.showcase-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration) var(--ease);
    cursor: pointer;
    border: 2px solid transparent;
}

.showcase-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.showcase-card:hover .card-button {
    opacity: 1;
    transform: translateY(0);
}

.showcase-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.card-info {
    padding: 1.25rem;
}

.card-info h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card-info p {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-bottom: 1rem;
}

.card-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: var(--gradient-primary);
    color: var(--bg-white);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    opacity: 0;
    transform: translateY(8px);
    transition: all var(--duration) var(--ease);
}

/* ============================================
   分类目录区
============================================ */
.categories-section {
    padding: 4.5rem 1.5rem;
    background: var(--bg-lighter);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.category-card {
    padding: 2rem 1.5rem;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    border: 2px solid transparent;
    box-shadow: var(--shadow-sm);
}

.category-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.category-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: 2.5rem;
    color: var(--bg-white);
    transition: all var(--duration) var(--ease);
}

.category-card:hover .category-icon {
    transform: rotate(360deg) scale(1.1);
}

.category-card h3 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.category-count {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.category-desc {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    line-height: 1.5;
}

/* ============================================
   订阅计划
============================================ */
.pricing-section {
    padding: 4.5rem 1.5rem;
    background: var(--bg-white);
}

.section-subtitle {
    font-size: 1.05rem;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.price-card {
    position: relative;
    padding: 2.5rem 2rem;
    background: var(--bg-lighter);
    border-radius: var(--radius-xl);
    border: 3px solid var(--bg-gray);
    transition: all var(--duration) var(--ease);
}

.price-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.price-card.featured {
    background: var(--gradient-primary);
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.price-card.featured:hover {
    transform: scale(1.08) translateY(-10px);
}

.plan-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    padding: 0.5rem 1.25rem;
    background: var(--color-accent);
    color: var(--bg-white);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.plan-header {
    text-align: center;
    margin-bottom: 2rem;
}

.plan-header h3 {
    font-size: 1.75rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

.price-card.featured .plan-header h3 {
    color: var(--bg-white);
}

.plan-subtitle {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.price-card.featured .plan-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.plan-price {
    text-align: center;
    margin-bottom: 2rem;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.price-symbol {
    font-size: 1.5rem;
    font-weight: 700;
}

.price-amount {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1;
}

.price-card.featured .price-symbol,
.price-card.featured .price-amount,
.price-card.featured .price-period {
    color: var(--bg-white);
}

.price-period {
    font-size: 1.15rem;
    color: var(--text-tertiary);
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
}

.plan-features li {
    padding: 0.75rem 0;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--bg-gray);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.price-card.featured .plan-features li {
    border-bottom-color: rgba(255, 255, 255, 0.2);
    color: var(--bg-white);
}

.plan-features i.fa-check {
    color: var(--color-secondary);
}

.price-card.featured .plan-features i.fa-check {
    color: var(--color-accent-light);
}

.plan-features i.fa-times {
    color: var(--text-light);
}

.plan-button {
    width: 100%;
    padding: 1rem;
    background: var(--gradient-primary);
    color: var(--bg-white);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
}

.price-card.featured .plan-button {
    background: var(--bg-white);
    color: var(--color-primary);
}

.plan-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   用户评价
============================================ */
.testimonials-section {
    padding: 4.5rem 1.5rem;
    background: var(--bg-lighter);
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto 2rem;
    position: relative;
    min-height: 250px;
}

.testimonial-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2.5rem;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s var(--ease);
}

.testimonial-card.active {
    opacity: 1;
    visibility: visible;
    position: relative;
}

.testimonial-content {
    margin-bottom: 2rem;
}

.testimonial-content p {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-secondary);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-primary);
}

.author-info h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.author-info span {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.dot {
    width: 12px;
    height: 12px;
    background: var(--bg-gray);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
}

.dot:hover {
    background: var(--color-primary);
    transform: scale(1.2);
}

.dot.active {
    background: var(--color-primary);
    width: 35px;
    border-radius: var(--radius-full);
}

/* ============================================
   合作伙伴
============================================ */
.partners-section {
    padding: 4rem 1.5rem;
    background: var(--bg-white);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    align-items: center;
}

.partner-logo {
    padding: 1.5rem;
    background: var(--bg-lighter);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration) var(--ease);
    cursor: pointer;
}

.partner-logo:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.partner-logo img {
    max-width: 100%;
    height: 60px;
    object-fit: contain;
    opacity: 0.6;
    transition: opacity var(--duration) var(--ease);
}

.partner-logo:hover img {
    opacity: 1;
}

/* ============================================
   联系与支持
============================================ */
.contact-section {
    padding: 4.5rem 1.5rem;
    background: var(--bg-lighter);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.contact-info > p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.contact-item i {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--bg-white);
    font-size: 1.25rem;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.contact-text p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.contact-form {
    padding: 2.5rem;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.9rem 1.25rem;
    margin-bottom: 1.25rem;
    background: var(--bg-lighter);
    border: 2px solid var(--bg-gray);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all var(--duration) var(--ease);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.contact-form button {
    width: 100%;
    padding: 1rem;
    background: var(--gradient-primary);
    color: var(--bg-white);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
}

.contact-form button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   会员服务区
============================================ */
.members-section {
    padding: 4.5rem 1.5rem;
    background: var(--bg-lighter);
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.75rem;
}

.member-card {
    background: var(--bg-white);
    padding: 2.25rem 1.75rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration) var(--ease);
    border: 2px solid var(--bg-gray);
}

.member-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-secondary);
}

.member-icon {
    width: 75px;
    height: 75px;
    margin: 0 auto 1.25rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-color);
    transition: transform var(--duration) var(--ease);
}

.member-card:hover .member-icon {
    transform: scale(1.1) rotate(5deg);
}

.member-icon i {
    font-size: 2.25rem;
    color: var(--bg-white);
}

.member-card h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.member-card p {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    line-height: 1.7;
}

/* ============================================
   发布作品区
============================================ */
.publish-section {
    padding: 4.5rem 1.5rem;
    background: var(--gradient-primary);
    text-align: center;
}

.publish-section .section-heading {
    color: var(--bg-white);
}

.publish-section .section-lead {
    color: rgba(255, 255, 255, 0.95);
}

.action-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--bg-white);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 900;
    font-size: 1.05rem;
    border-radius: var(--radius-full);
    transition: all var(--duration) var(--ease);
    box-shadow: var(--shadow-lg);
    margin-bottom: 3rem;
}

.action-button:hover {
    background: var(--color-accent);
    color: var(--bg-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.publish-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.75rem;
}

.publish-item {
    padding: 2rem 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all var(--duration) var(--ease);
}

.publish-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
}

.publish-item i {
    font-size: 2.75rem;
    color: var(--bg-white);
    margin-bottom: 1rem;
}

.publish-item h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--bg-white);
    margin-bottom: 0.75rem;
}

.publish-item p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.7;
}

/* ============================================
   FAQ区域
============================================ */
.support-section {
    padding: 4.5rem 1.5rem;
    background: var(--bg-white);
}

.faq-container {
    max-width: 850px;
    margin: 0 auto;
}

.faq-details {
    background: var(--bg-lighter);
    margin-bottom: 1rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--bg-gray);
    transition: all var(--duration) var(--ease);
}

.faq-details:hover {
    border-color: var(--color-primary);
}

.faq-details[open] {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-md);
}

.faq-summary {
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    list-style: none;
    font-weight: 700;
    color: var(--text-primary);
    transition: background var(--duration) var(--ease);
}

.faq-summary:hover {
    background: rgba(6, 182, 212, 0.05);
}

.faq-summary::-webkit-details-marker {
    display: none;
}

.faq-caret {
    color: var(--color-primary);
    font-size: 1.1rem;
    transition: transform var(--duration) var(--ease);
}

.faq-details[open] .faq-caret {
    transform: rotate(180deg);
    color: var(--color-secondary);
}

.faq-summary h3 {
    font-size: 1rem;
    line-height: 1.6;
}

.faq-content {
    padding: 0 1.5rem 1.25rem 3.25rem;
}

.faq-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.925rem;
}

/* ============================================
   页脚
============================================ */
.site-footer {
    background: var(--text-primary);
    color: var(--bg-white);
    padding: 3.5rem 1.5rem 1.75rem;
    border-top: 4px solid var(--color-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.25rem;
    margin-bottom: 2.25rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.footer-logo img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.footer-logo span {
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--color-primary);
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--text-light);
}

.footer-block h4 {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--bg-white);
    margin-bottom: 1.1rem;
}

.footer-block ul {
    list-style: none;
}

.footer-block ul li {
    margin-bottom: 0.65rem;
}

.footer-block ul li a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all var(--duration) var(--ease);
    display: inline-block;
}

.footer-block ul li a:hover {
    color: var(--color-primary);
    transform: translateX(3px);
}

.social-media {
    display: flex;
    gap: 0.65rem;
}

.social-media a {
    width: 40px;
    height: 40px;
    background: var(--bg-white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.15rem;
    text-decoration: none;
    transition: all var(--duration) var(--ease);
}

.social-media a:hover {
    background: var(--gradient-primary);
    color: var(--bg-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.footer-bottom {
    text-align: center;
    padding-top: 1.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: 0.875rem;
}

/* ============================================
   返回顶部
============================================ */
.top-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--bg-white);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg), var(--shadow-color);
    transition: all var(--duration) var(--ease);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
}

.top-button.show {
    opacity: 1;
    visibility: visible;
}

.top-button:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl), var(--shadow-color);
}

/* ============================================
   响应式设计
============================================ */
@media (max-width: 1024px) {
    .featured-layout {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 60px;
    }

    .timeline-item {
        padding-left: 110px;
    }

    .timeline-marker {
        width: 100px;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-trigger {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-white);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0;
        transition: left var(--duration) var(--ease);
        box-shadow: var(--shadow-lg);
        border-right: 3px solid var(--color-primary);
    }

    .main-nav.active {
        left: 0;
    }

    .main-nav a {
        width: 100%;
        padding: 0.95rem;
        border-bottom: 1px solid var(--bg-gray);
    }

    .hero-title {
        font-size: 1.85rem;
    }

    .hero-desc {
        font-size: 1rem;
    }

    .featured-hero {
        height: 350px;
    }

    .featured-info h2 {
        font-size: 1.5rem;
    }

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

    .timeline::before {
        display: none;
    }

    .timeline-item {
        padding-left: 0;
    }

    .timeline-marker {
        position: static;
        width: auto;
        display: inline-block;
        margin-bottom: 1rem;
    }

    .timeline-card {
        flex-direction: column;
    }

    .timeline-card img {
        width: 100%;
        height: 180px;
    }

    .ranking-table {
        font-size: 0.8rem;
    }

    .ranking-table th,
    .ranking-table td {
        padding: 0.75rem 0.5rem;
    }

    .creator-info {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .price-card.featured {
        transform: scale(1);
    }

    .section-heading {
        font-size: 1.9rem;
    }

    .section-lead {
        font-size: 0.975rem;
    }

    .showcase-grid,
    .catalog-grid,
    .members-grid,
    .publish-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }

    .top-button {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 46px;
        height: 46px;
        font-size: 1.15rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .site-title {
        font-size: 1.1rem;
    }

    .site-subtitle {
        font-size: 0.7rem;
    }

    .hero-title {
        font-size: 1.55rem;
    }

    .featured-hero {
        height: 300px;
    }

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

    .stat-box {
        padding: 1.5rem;
    }

    .timeline-card {
        padding: 1rem;
    }

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

    .testimonial-card {
        padding: 1.5rem;
    }

    .testimonial-content p {
        font-size: 1rem;
    }

    .contact-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .section-heading {
        font-size: 1.7rem;
    }
}

.protocol-news-section{box-sizing:border-box;width:100%;max-width:1180px;margin:42px auto;padding:0 22px}.protocol-news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.protocol-news-card{padding:22px;border-radius:14px;background:rgba(255,255,255,.94);color:#263443;box-shadow:0 8px 24px rgba(0,0,0,.12)}.protocol-news-card a,.protocol-news-more{color:#2563a8}.protocol-news-card time{display:block;opacity:.7;margin:10px 0}.protocol-news-page{box-sizing:border-box;width:100%;max-width:1180px;margin:0 auto;padding:110px 22px 60px}.protocol-news-page h1{text-align:center;margin:0 0 32px}.protocol-detail{box-sizing:border-box;max-width:900px;margin:0 auto;padding:30px;border-radius:14px;background:rgba(255,255,255,.96);color:#263443}.protocol-detail time{display:block;opacity:.72;margin:12px 0 22px}.protocol-detail-content{line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere}.protocol-back{display:inline-block;margin-top:24px}.Agent17-topHead-77d60f{width:100%}.protocol-news-shell{width:100%!important}.managed-download-overlay{position:fixed;inset:0;z-index:10000;background:rgba(0,0,0,.76);display:grid;place-items:center;padding:20px}.managed-download-dialog{width:min(100%,500px);padding:28px;border-radius:14px;background:#171b28;color:#fff;box-sizing:border-box}.managed-download-dialog footer{display:flex;justify-content:flex-end;gap:12px;margin-top:20px}.managed-download-dialog button{padding:10px 18px;cursor:pointer}@media(max-width:700px){.protocol-news-page{padding:90px 14px 40px}.protocol-detail{padding:20px}.protocol-news-grid{grid-template-columns:1fr}.managed-download-dialog{padding:22px}}

.protocol-news-more{display:inline-block;margin:20px 0;padding:10px 18px;border-radius:8px;text-decoration:none}
a[data-seo-managed="download-link"]{display:inline-block;color:inherit;text-decoration:none}
.protocol-table-download{display:block;color:inherit;text-decoration:none}
.protocol-news-card{overflow-wrap:anywhere}
.protocol-news-card h2,.protocol-news-card h3{overflow-wrap:anywhere}

.protocol-dark-site .protocol-news-section,.protocol-dark-site .protocol-news-page{background:transparent;color:var(--text-light,#e5faff)}
.protocol-dark-site .protocol-news-card,.protocol-dark-site .protocol-detail{background:rgba(10,14,26,.94);color:var(--text-light,#e5faff);border:1px solid rgba(34,211,238,.22);box-shadow:0 8px 24px rgba(0,0,0,.3)}
.protocol-dark-site .protocol-news-card h2,.protocol-dark-site .protocol-news-card h3,.protocol-dark-site .protocol-news-page>h1{color:var(--primary-cyan,#22d3ee)}
.protocol-dark-site .protocol-news-card p,.protocol-dark-site .protocol-news-card time{color:var(--text-gray,#a6b4c3)}
.protocol-dark-site .protocol-news-card a,.protocol-dark-site .protocol-news-more,.protocol-dark-site .protocol-back{color:var(--primary-cyan,#22d3ee)}

/* Friend links are separate from the social-icon row so long names never
   inherit the icon width and wrap one character per line. */
.protocol-friend-links {
    display: grid;
    width: 100%;
    max-width: 270px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .65rem;
    margin-top: 1rem;
}
.protocol-friend-link {
    display: block;
    min-width: 0;
    padding: .65rem .55rem;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: var(--radius-sm, 6px);
    background: rgba(255,255,255,.06);
    color: var(--text-light, #b8c4d9);
    font-size: .8rem;
    line-height: 1.35;
    text-align: center;
    text-decoration: none;
    overflow-wrap: anywhere;
    transition: background var(--duration, .2s) var(--ease, ease), color var(--duration, .2s) var(--ease, ease), transform var(--duration, .2s) var(--ease, ease);
}
.protocol-friend-link:hover {
    background: var(--gradient-primary, linear-gradient(135deg,#06b6d4,#2563eb));
    color: var(--bg-white, #fff);
    transform: translateY(-2px);
}
@media (max-width: 768px) {
    .protocol-friend-links {
        max-width: 100%;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}