/* ============================================
   智行者 Quantwinner - 全新设计系统
   完全不同的视觉风格
   ============================================ */

:root {
    /* 全新配色 - 金色/琥珀色系 */
    --color-primary: #FF8C00;
    --color-primary-dark: #FF6B00;
    --color-primary-light: #FFA500;
    --color-secondary: #FFD700;
    --color-accent: #FF6347;
    --color-success: #32CD32;
    
    /* 背景色 - 深色但不同 */
    --bg-main: #0F0F0F;
    --bg-section: #1A1A1A;
    --bg-card: #252525;
    --bg-card-hover: #2D2D2D;
    --bg-accent: #2A1F0F;
    
    /* 文字颜色 */
    --text-primary: #FFFFFF;
    --text-secondary: #CCCCCC;
    --text-muted: #999999;
    --text-accent: #FF8C00;
    
    /* 边框 */
    --border-color: #333333;
    --border-accent: #FF8C00;
    
    /* 字体 */
    --font-main: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Consolas', monospace;
    
    /* 间距系统 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 8rem;
    
    /* 阴影 */
    --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 32px rgba(255, 140, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(255, 140, 0, 0.4);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   顶部导航 - 全新设计
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: opacity 0.3s ease;
}

.brand:hover {
    opacity: 0.9;
}

.brand-mark {
    width: 50px;
    height: 50px;
    color: var(--color-primary);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 4px;
}

.brand-mark svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 8px rgba(255, 140, 0, 0.5));
}

.brand-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: transform 0.3s ease;
}

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

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 2px;
}

.brand-en {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-primary);
    letter-spacing: 4px;
    font-family: var(--font-mono);
}

.main-nav {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

.nav-item:hover {
    color: var(--text-primary);
}

.nav-item:hover::after {
    width: 100%;
}

.nav-btn {
    padding: 0.75rem 2rem;
    background: var(--color-primary);
    color: var(--bg-main);
    border-radius: 0;
    font-weight: 600;
    letter-spacing: 2px;
}

.nav-btn::after {
    display: none;
}

.nav-btn:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ============================================
   主视觉区 - 完全不同的布局
   ============================================ */

.main-visual {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem 3rem 4rem;
    overflow: hidden;
}

.hero-carousel {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: calc(100vh - 8rem);
    display: flex;
    align-items: center;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    display: flex;
    align-items: center;
}

.hero-slide.active {
        opacity: 1;
    visibility: visible;
    position: relative;
}

.visual-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

#particleCanvas {
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

.visual-content {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 6rem;
    align-items: center;
}

.visual-left {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--bg-accent);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.875rem;
    letter-spacing: 2px;
    width: fit-content;
    font-family: var(--font-mono);
}

.main-title {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.title-main {
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 900;
    line-height: 0.9;
    color: var(--text-primary);
    letter-spacing: -2px;
}

.title-sub {
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: 300;
    color: var(--color-primary);
    letter-spacing: 8px;
    font-family: var(--font-mono);
    margin-left: 0.5rem;
}

.main-desc {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 500px;
}

.action-group {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
}

.btn-primary,
.btn-secondary {
    padding: 1.25rem 3rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid;
    display: inline-block;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--bg-main);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--bg-main);
    transform: translateY(-3px);
}

.visual-right {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-showcase {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.feature-box {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.feature-box:hover {
    border-color: var(--color-primary);
    border-left-color: var(--color-primary);
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
    background: var(--bg-card-hover);
}

.feature-icon {
    width: 50px;
    height: 50px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    padding: 0.75rem;
    background: rgba(255, 140, 0, 0.1);
    flex-shrink: 0;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature-text {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.feature-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.feature-highlight {
    padding: 2rem;
    background: var(--bg-accent);
    border: 2px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 2rem;
}

.highlight-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.highlight-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
    line-height: 1;
}

.highlight-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.highlight-divider {
    width: 2px;
    height: 60px;
    background: var(--border-color);
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 2px;
    font-family: var(--font-mono);
    z-index: 10;
}

/* 轮播控制 */
.carousel-controls {
    position: absolute;
    bottom: 8rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 2rem;
    z-index: 10;
}

.carousel-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 140, 0, 0.1);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    color: var(--color-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    padding: 0;
}

.carousel-btn:hover {
    background: var(--color-primary);
    color: var(--bg-main);
    transform: scale(1.1);
}

.carousel-btn svg {
    width: 24px;
    height: 24px;
}

.carousel-dots {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--color-primary);
    width: 32px;
    border-radius: 6px;
}

/* 成长展示样式 - 新设计 */
.growth-showcase-new {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.growth-path {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
}

.path-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.stage-icon {
    width: 80px;
    height: 80px;
    padding: 1.5rem;
    background: rgba(255, 140, 0, 0.1);
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stage-icon svg {
    width: 100%;
    height: 100%;
}

.stage-icon.premium {
    background: rgba(255, 215, 0, 0.1);
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.stage-info {
    text-align: center;
}

.stage-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.stage-capital {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
    margin-bottom: 0.25rem;
}

.path-stage:last-child .stage-capital {
    color: var(--color-secondary);
}

.stage-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.path-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0 2rem;
}

.connector-line {
    width: 2px;
    height: 40px;
    background: var(--color-primary);
    opacity: 0.3;
}

.connector-arrow {
    width: 30px;
    height: 30px;
    color: var(--color-primary);
}

.connector-arrow svg {
    width: 100%;
    height: 100%;
}

.growth-benefits {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.benefit-card {
    flex: 1;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--color-primary);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.benefit-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    padding: 0.75rem;
    background: rgba(255, 140, 0, 0.1);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    color: var(--color-primary);
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit-text {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* 成长展示样式 */
.growth-showcase {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.growth-stages-preview {
    display: flex;
    align-items: center;
    gap: 2rem;
    justify-content: center;
}

.growth-stage-card {
    flex: 1;
    padding: 2rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-left: 4px solid var(--color-primary);
    transition: all 0.3s ease;
}

.growth-stage-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stage-2-preview {
    border-left-color: var(--color-secondary);
}

.stage-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.stage-preview-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
    opacity: 0.5;
}

.stage-2-preview .stage-preview-number {
    color: var(--color-secondary);
}

.stage-preview-badge {
    padding: 0.5rem 1rem;
    background: var(--bg-accent);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.75rem;
    letter-spacing: 1px;
    font-family: var(--font-mono);
}

.stage-preview-badge.premium {
    background: rgba(255, 215, 0, 0.1);
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.stage-preview-amount {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
    margin-bottom: 0.5rem;
}

.stage-2-preview .stage-preview-amount {
    color: var(--color-secondary);
}

.stage-preview-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.growth-arrow {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.growth-arrow svg {
    width: 100%;
    height: 100%;
}

.growth-features {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.growth-feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
    min-width: 120px;
}

.growth-feature-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.growth-feature-item svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.growth-feature-item span {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--color-primary);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   通用区块样式
   ============================================ */

.block-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.block-header {
    margin-bottom: 4rem;
}

.block-label {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--bg-accent);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.875rem;
    letter-spacing: 2px;
    font-family: var(--font-mono);
    margin-bottom: 1.5rem;
}

.block-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

/* ============================================
   关于我们区块
   ============================================ */

.about-block {
    padding: var(--space-2xl) 0;
    background: var(--bg-section);
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.about-text-block {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.text-content p {
    font-size: 1.125rem;
    line-height: 2;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.about-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.timeline-item {
    padding: 2rem;
    background: var(--bg-card);
    border-left: 4px solid var(--color-primary);
    transition: all 0.3s ease;
}

.timeline-item:hover {
    background: var(--bg-card-hover);
    transform: translateX(10px);
}

.timeline-year {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    font-family: var(--font-mono);
}

.timeline-content {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* ============================================
   报名规则横幅
   ============================================ */

.rule-banner {
    padding: 4rem 0;
    background: var(--bg-accent);
    border-top: 2px solid var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
}

.rule-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    gap: 3rem;
    align-items: center;
}

.rule-icon {
    width: 80px;
    height: 80px;
    color: var(--color-primary);
    flex-shrink: 0;
    padding: 1.5rem;
    background: rgba(255, 140, 0, 0.1);
    border-radius: 50%;
    border: 2px solid var(--color-primary);
}

.rule-icon svg {
    width: 100%;
    height: 100%;
}

.rule-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.rule-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.rule-text strong {
    color: var(--color-primary);
    font-size: 1.2em;
}

/* ============================================
   课程体系
   ============================================ */

.courses-block {
    padding: var(--space-2xl) 0;
    background: var(--bg-main);
}

.courses-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.course-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.course-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.course-badge {
    position: absolute;
    top: -15px;
    right: 2rem;
    padding: 0.5rem 1.5rem;
    background: var(--color-primary);
    color: var(--bg-main);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.course-badge.premium {
    background: var(--color-secondary);
    color: var(--bg-main);
}

.course-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.course-level {
    padding: 0.5rem 1rem;
    background: var(--bg-accent);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.875rem;
    letter-spacing: 1px;
    font-family: var(--font-mono);
}

.course-price {
    display: flex;
    align-items: center;
}

.price-free {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-success);
    font-family: var(--font-mono);
    padding: 0.5rem 1.5rem;
    background: rgba(50, 205, 50, 0.1);
    border: 2px solid var(--color-success);
    border-radius: 4px;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
}

.price-free::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

.course-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.course-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.course-body {
    flex: 1;
    margin-bottom: 2rem;
}

.course-body h4 {
    font-size: 1.125rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.course-list {
    list-style: none;
    counter-reset: course-counter;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.course-list li {
    counter-increment: course-counter;
    padding-left: 2rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.8;
}

.course-list li::before {
    content: counter(course-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--color-primary);
    color: var(--bg-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.course-list li strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.course-list li span {
    display: block;
    font-size: 0.9rem;
}

.course-sections {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.course-section h5 {
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.course-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.course-section ul li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.8;
}

.course-section ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.course-btn {
    width: 100%;
    padding: 1.25rem;
    background: var(--color-primary);
    color: var(--bg-main);
    border: none;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-main);
}

.course-btn:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* ============================================
   合作伙伴
   ============================================ */

.partners-block {
    padding: var(--space-2xl) 0;
    background: var(--bg-section);
}

.partner-showcase {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    align-items: start;
}

.partner-logo-box {
    padding: 3rem 2rem;
    border: 3px solid var(--color-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    position: sticky;
    top: 120px;
    gap: 1.5rem;
}

.partner-logo-img {
    width: 120px;
    height: 120px;
    object-fit: contain;
}

.partner-name {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-mono);
    letter-spacing: 4px;
}

.partner-tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    text-align: center;
    letter-spacing: 1px;
    font-family: var(--font-mono);
}

.partner-info {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.partner-intro h3 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.partner-intro p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.partner-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.partner-feature-item {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--color-primary);
    transition: all 0.3s ease;
}

.partner-feature-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.partner-feature-item h4 {
    font-size: 1.125rem;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.partner-feature-item p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.partner-cooperation {
    padding: 2rem;
    background: var(--bg-accent);
    border: 2px solid var(--color-primary);
}

.partner-cooperation h4 {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.partner-cooperation p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* ============================================
   交易员成长
   ============================================ */

.growth-block {
    padding: var(--space-2xl) 0;
    background: var(--bg-section);
}

.block-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-top: 1rem;
    margin-bottom: 4rem;
}

.growth-stages {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-bottom: 5rem;
}

.growth-stage {
    position: relative;
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 3rem;
    padding: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--color-primary);
    transition: all 0.3s ease;
}

.growth-stage:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.stage-2 {
    border-left-color: var(--color-secondary);
    background: var(--bg-accent);
}

.stage-2:hover {
    border-left-color: var(--color-secondary);
}

.stage-number {
    font-size: 4rem;
    font-weight: 900;
    color: var(--color-primary);
    font-family: var(--font-mono);
    line-height: 1;
    opacity: 0.3;
}

.stage-2 .stage-number {
    color: var(--color-secondary);
}

.stage-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stage-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.stage-header h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stage-badge {
    padding: 0.5rem 1.5rem;
    background: var(--bg-accent);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.875rem;
    letter-spacing: 2px;
    font-family: var(--font-mono);
}

.stage-badge.premium {
    background: rgba(255, 215, 0, 0.1);
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.stage-capital {
    margin-bottom: 1.5rem;
}

.capital-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
    margin-bottom: 0.5rem;
}

.stage-2 .capital-amount {
    color: var(--color-secondary);
}

.capital-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.stage-desc {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.stage-features {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.stage-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 140, 0, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: 4px;
}

.stage-feature svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.stage-feature span {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.stage-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    padding: 0.75rem;
    background: rgba(255, 140, 0, 0.1);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    color: var(--color-primary);
    flex-shrink: 0;
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit-content h4 {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.benefit-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.stage-note {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: rgba(255, 140, 0, 0.1);
    border-left: 3px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.95rem;
    font-weight: 600;
}

.stage-note svg {
    width: 20px;
    height: 20px;
}

/* 申请流程 */
.application-process {
    margin-bottom: 5rem;
}

.process-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 3rem;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.process-step {
    position: relative;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.process-step:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.process-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.process-step:hover::before {
    transform: scaleY(1);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--bg-accent);
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
    margin-bottom: 1.5rem;
}

.step-content h4 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.step-content p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.process-cta {
    text-align: center;
}

/* 常见问题 */
.faq-section {
    margin-top: 5rem;
}

.faq-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 3rem;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--color-primary);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.faq-answer {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* ============================================
   联系报名
   ============================================ */

.contact-block {
    padding: var(--space-2xl) 0;
    background: var(--bg-main);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--color-primary);
    transform: translateX(10px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    color: var(--color-primary);
    flex-shrink: 0;
    padding: 0.75rem;
    background: rgba(255, 140, 0, 0.1);
    border-radius: 50%;
    border: 2px solid var(--color-primary);
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
    font-family: var(--font-mono);
}

.contact-value {
    font-size: 1.125rem;
    color: var(--text-primary);
    line-height: 1.6;
}

.contact-card {
    padding: 3rem;
    background: var(--bg-accent);
    border: 2px solid var(--color-primary);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-card h3 {
    font-size: 1.75rem;
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.contact-btn {
    padding: 1.25rem 2rem;
    background: var(--color-primary);
    color: var(--bg-main);
    text-decoration: none;
    text-align: center;
    font-weight: 600;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    display: block;
}

.contact-btn:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* ============================================
   页脚
   ============================================ */

.footer {
    padding: 3rem 0;
    background: var(--bg-section);
    border-top: 1px solid var(--border-color);
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-brand .brand-mark {
    width: 40px;
    height: 40px;
    overflow: hidden;
    border-radius: 4px;
}

.footer-brand .brand-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ============================================
   响应式设计
   ============================================ */

@media (max-width: 1024px) {
    .visual-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-highlight {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .highlight-divider {
        width: 60px;
        height: 2px;
    }
    
    .growth-stages-preview {
        flex-direction: column;
    }
    
    .growth-arrow {
        transform: rotate(90deg);
    }
    
    .growth-path {
        flex-direction: column;
        gap: 2rem;
    }
    
    .path-connector {
        transform: rotate(90deg);
        padding: 2rem 0;
    }
    
    .connector-line {
        width: 40px;
        height: 2px;
    }
    
    .growth-benefits {
        flex-direction: column;
    }
    
    .carousel-controls {
        bottom: 6rem;
    }
    
    .courses-layout {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .partner-showcase {
        grid-template-columns: 1fr;
    }
    
    .partner-logo-box {
        position: static;
    }
    
    .partner-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    @media (max-width: 480px) {
        .partner-features {
            grid-template-columns: 1fr;
        }
    }
    
    .growth-stage {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stage-number {
        font-size: 3rem;
    text-align: center;
    }
    
    .stage-benefits {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-inner {
        padding: 0 1.5rem;
    }
    
    .main-nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-main);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-top: 1px solid var(--border-color);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .main-nav.active {
        transform: translateX(0);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .main-visual {
        padding: 8rem 1.5rem 4rem;
    }
    
    .block-container {
        padding: 0 1.5rem;
    }
    
    .visual-right {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .action-group {
        flex-direction: column;
    }
    
    .rule-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-inner {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .title-main {
        font-size: 3rem;
    }
    
    .title-sub {
        font-size: 1.25rem;
    }
    
    .block-title {
        font-size: 2rem;
    }
    
    .course-card {
        padding: 1.5rem;
    }
}