/* OpenClaw训练营 - 高转化销售页面样式 V2.0 */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ff6b35;
    --primary-dark: #e55a2b;
    --secondary-color: #4ecdc4;
    --accent-color: #ffe66d;
    --dark-bg: #0f0f23;
    --dark-bg-2: #1a1a3e;
    --light-bg: #f8f9ff;
    --white: #ffffff;
    --text-dark: #1a1a2e;
    --text-gray: #4a5568;
    --text-light: #a0aec0;
    --success: #00d26a;
    --danger: #ff4757;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #ff6b35 0%, #f7971e 100%);
    --gradient-3: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
    --gradient-hero: linear-gradient(135deg, #1a1a3e 0%, #2d1b69 50%, #1a1a3e 100%);
    --shadow-sm: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.2);
    --shadow-glow: 0 0 40px rgba(255, 107, 53, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background: var(--white);
    overflow-x: hidden;
}

body.loading {
    opacity: 0.8;
}

body.loading .price-value,
body.loading .original-price-value,
body.loading .price-text,
body.loading .start-date,
body.loading .seats-remaining,
body.loading .seats-total-count,
body.loading .spots-number,
body.loading .session-name {
    color: transparent;
    background: linear-gradient(90deg, #e0e0e0 25%, #f0f0f0 50%, #e0e0e0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 浮动粒子背景 */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite;
}

.particle:nth-child(2) { left: 20%; animation-delay: 2s; background: var(--secondary-color); }
.particle:nth-child(3) { left: 40%; animation-delay: 4s; }
.particle:nth-child(4) { left: 60%; animation-delay: 6s; background: var(--secondary-color); }
.particle:nth-child(5) { left: 80%; animation-delay: 8s; }
.particle:nth-child(6) { left: 10%; animation-delay: 10s; background: var(--accent-color); }
.particle:nth-child(7) { left: 70%; animation-delay: 12s; background: var(--secondary-color); }
.particle:nth-child(8) { left: 90%; animation-delay: 14s; }

@keyframes float {
    0%, 100% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
}

/* 固定底部购买栏 - 手机端 */
.fixed-bottom-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    padding: 8px 12px;
    z-index: 1000;
    border-top: 1px solid rgba(0,0,0,0.05);
}

/* PC端悬浮支付卡片 */
.floating-payment-card {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    width: 180px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 3px;
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4), 0 0 0 1px rgba(255,255,255,0.1) inset;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.floating-payment-card.visible {
    opacity: 1;
    visibility: visible;
}

.floating-payment-card:hover {
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 25px 70px rgba(102, 126, 234, 0.5), 0 0 0 1px rgba(255,255,255,0.2) inset;
}

.floating-card-content {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: 17px;
    padding: 24px 20px;
    text-align: center;
}

.floating-header {
    margin-bottom: 12px;
}

.floating-label {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b35 0%, #f7971e 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
}

.floating-price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 2px;
    margin-bottom: 6px;
}

.floating-currency {
    font-size: 1.2rem;
    font-weight: 700;
    color: #ff6b35;
    margin-top: 4px;
}

.floating-amount {
    font-size: 2.8rem;
    font-weight: 900;
    background: linear-gradient(135deg, #ff6b35 0%, #f7971e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.floating-original {
    font-size: 0.85rem;
    color: #a0aec0;
    text-decoration: line-through;
    margin-bottom: 12px;
}

.floating-countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.8rem;
    color: #4a5568;
    margin-bottom: 16px;
    padding: 8px 12px;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 10px;
}

.floating-countdown svg {
    stroke: #ff6b35;
}

.floating-btn {
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, #ff6b35 0%, #f7971e 100%);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.floating-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

.floating-btn svg {
    transition: transform 0.3s ease;
}

.floating-btn:hover svg {
    transform: translateX(3px);
}

/* 手机端倒计时 */
.mobile-countdown {
    background: linear-gradient(135deg, #ff6b35 0%, #f7971e 100%);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    margin-left: 8px;
}

.fixed-bottom-bar .price-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 100%;
    margin: 0 auto;
    gap: 10px;
}

.fixed-bottom-bar .price-wrapper {
    display: flex;
    align-items: baseline;
    gap: 6px;
    flex-shrink: 0;
}

.fixed-bottom-bar .price {
    font-size: 1.4rem;
    font-weight: 900;
    background: linear-gradient(135deg, #ff6b35 0%, #f7971e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fixed-bottom-bar .original-price {
    font-size: 0.75rem;
    color: #999;
    text-decoration: line-through;
}

/* 手机端按钮 */
.mobile-btn-wrapper {
    position: relative;
    display: inline-block;
    flex-shrink: 0;
}

.fixed-bottom-bar .buy-btn {
    background: linear-gradient(135deg, #ff6b35 0%, #f7971e 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    animation: mobileBtnPulse 2s ease-in-out infinite;
}

@keyframes mobileBtnPulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    }
    50% { 
        transform: scale(1.03);
        box-shadow: 0 6px 20px rgba(255, 107, 53, 0.6);
    }
}

.fixed-bottom-bar .buy-btn:active {
    transform: scale(0.97);
}

/* Hero首屏区域 */
.hero {
    min-height: 100vh;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(78, 205, 196, 0.25) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 107, 53, 0.25) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 70%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.8; }
    100% { opacity: 1; }
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.02' fill-rule='evenodd'/%3E%3C/svg%3E");
    animation: bgMove 60s linear infinite;
}

@keyframes bgMove {
    0% { background-position: 0 0; }
    100% { background-position: 100px 100px; }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 20px 60px;
    position: relative;
    z-index: 1;
}

/* 开营倒计时徽章 */
.camp-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
}

.badge-icon {
    display: flex;
    align-items: center;
    color: #ff9f43;
}

.badge-text strong {
    color: #ff6b35;
    font-weight: 700;
}

/* 3大核心收获 - 横向3列 */
.core-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 32px 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.core-benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
    padding: 24px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.core-benefit-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 107, 53, 0.3);
    transform: translateY(-3px);
}

.core-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.2) 0%, rgba(247, 151, 30, 0.2) 100%);
    border-radius: 14px;
    color: #ff9f43;
}

.core-icon svg {
    stroke: #ff9f43;
}

.core-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.core-text strong {
    font-size: 0.95rem;
    font-weight: 600;
    color: white;
}

.core-text span {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

/* CTA卡片 */
.cta-card {
    margin-top: 32px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 32px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

/* 价格区块 */
.price-block {
    text-align: center;
}

.price-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.price-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 8px;
}

.price-main .currency {
    font-size: 2rem;
    font-weight: 600;
    color: #ff6b35;
}

.price-main .amount {
    font-size: 4rem;
    font-weight: 800;
    color: #ff6b35;
    line-height: 1;
    text-shadow: 0 4px 30px rgba(255, 107, 53, 0.4);
}

.price-main .period {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 400;
}

.price-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.price-meta .original {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.4);
    text-decoration: line-through;
}

.price-meta .save {
    font-size: 0.75rem;
    font-weight: 600;
    color: #ff6b35;
    background: rgba(255, 107, 53, 0.15);
    padding: 4px 10px;
    border-radius: 20px;
}

/* 名额状态 */
.seats-status {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.seats-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
}

.seats-fire {
    font-size: 1.1rem;
}

.seats-label {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.seats-count {
    color: rgba(255, 255, 255, 0.9);
}

.seats-count strong {
    color: #ff6b35;
    font-weight: 700;
    font-size: 1.2rem;
}

.seats-bar {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
}

.seats-progress {
    height: 100%;
    background: linear-gradient(90deg, #ff6b35 0%, #f7971e 100%);
    border-radius: 5px;
    transition: width 0.5s ease;
    box-shadow: 0 0 10px rgba(255, 107, 53, 0.3);
}

.seats-total {
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

/* CTA按钮 */
.cta-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 20px 32px;
    background: linear-gradient(135deg, #ff6b35 0%, #f7971e 100%);
    border: none;
    border-radius: 50px;
    font-size: 1.15rem;
    font-weight: 700;
    color: white;
    cursor: pointer;
    box-shadow: 0 8px 32px rgba(255, 107, 53, 0.4);
    transition: all 0.3s ease;
    animation: breathe 2s ease-in-out infinite;
}

/* 呼吸动画 */
@keyframes breathe {
    0%, 100% {
        box-shadow: 0 8px 32px rgba(255, 107, 53, 0.4);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 12px 40px rgba(255, 107, 53, 0.6), 0 0 60px rgba(255, 107, 53, 0.3);
        transform: scale(1.02);
    }
}

.cta-button:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 16px 48px rgba(255, 107, 53, 0.6), 0 0 80px rgba(255, 107, 53, 0.4);
    animation: none;
}

.cta-button .btn-arrow {
    transition: transform 0.3s ease;
}

.cta-button:hover .btn-arrow {
    transform: translateX(4px);
}

/* 信任背书 */
.trust-line {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.trust-line .trust-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.trust-line .trust-item svg {
    stroke: #ff9f43;
}

.trust-line .trust-item strong {
    color: #ff9f43;
    font-weight: 600;
}

.trust-line .divider {
    color: rgba(255, 255, 255, 0.3);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .hero-content {
        padding: 60px 16px 40px;
    }
    
    .camp-badge {
        font-size: 0.8rem;
        padding: 8px 16px;
    }
    
    .core-benefits {
        grid-template-columns: 1fr;
        gap: 12px;
        margin: 24px 0;
    }
    
    .core-benefit-item {
        flex-direction: row;
        text-align: left;
        padding: 16px 20px;
    }
    
    .core-text {
        align-items: flex-start;
    }
    
    .cta-card {
        padding: 24px 20px;
        margin-top: 24px;
    }
    
    .price-main .amount {
        font-size: 3rem;
    }
    
    .price-main .currency {
        font-size: 1.5rem;
    }
    
    .seats-bar {
        height: 8px;
    }
    
    .cta-button {
        padding: 18px 24px;
        font-size: 1.05rem;
    }
    
    .trust-line {
        flex-direction: column;
        gap: 8px;
    }
    
    .trust-line .divider {
        display: none;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.2) 0%, rgba(247, 151, 30, 0.2) 100%);
    border: 1px solid rgba(255, 107, 53, 0.5);
    color: #ff9f43;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 28px;
    animation: badgePulse 2s ease-in-out infinite;
    box-shadow: 0 0 30px rgba(255, 107, 53, 0.2);
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 30px rgba(255, 107, 53, 0.2); }
    50% { transform: scale(1.03); box-shadow: 0 0 50px rgba(255, 107, 53, 0.4); }
}

.hero-badge .hot-icon {
    margin-right: 8px;
    font-size: 1.1rem;
    animation: fireFlicker 0.5s ease-in-out infinite alternate;
}

@keyframes fireFlicker {
    0% { transform: scale(1) rotate(-5deg); }
    100% { transform: scale(1.1) rotate(5deg); }
}

.hero-title {
    font-size: clamp(2.8rem, 7vw, 5rem);
    font-weight: 950;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #ff6b35 0%, #ff9f43 50%, #ffe66d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    animation: titleShine 3s ease-in-out infinite;
    background-size: 200% 200%;
}

@keyframes titleShine {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.2vw, 1.4rem);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    max-width: 580px;
    line-height: 1.8;
    font-weight: 500;
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.08);
    padding: 16px 24px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
    border-color: rgba(255, 107, 53, 0.3);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 900;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 6px;
    font-weight: 500;
}

/* 倒计时卡片 */
.countdown-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    padding: 28px 36px;
    display: inline-block;
    margin-bottom: 36px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.countdown-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    margin-bottom: 16px;
    font-weight: 600;
    text-align: center;
}

.countdown-timer {
    display: flex;
    gap: 10px;
}

.countdown-item {
    background: var(--white);
    border-radius: 14px;
    padding: 14px 12px;
    text-align: center;
    min-width: 65px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.countdown-item .number {
    font-size: 1.8rem;
    font-weight: 900;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.countdown-item .text {
    font-size: 0.7rem;
    color: var(--text-gray);
    margin-top: 4px;
    font-weight: 600;
}

/* 主购买按钮 */
.hero-cta {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.cta-wrapper {
    position: relative;
    display: inline-block;
}

.cta-glow-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 110%;
    height: 130%;
    background: var(--gradient-2);
    border-radius: 60px;
    filter: blur(25px);
    opacity: 0.6;
    animation: ctaGlowBg 2s ease-in-out infinite;
    z-index: 0;
}

@keyframes ctaGlowBg {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.8;
    }
}

.cta-main {
    background: var(--gradient-2);
    color: white;
    border: none;
    padding: 20px 56px;
    border-radius: 60px;
    font-size: 1.2rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 40px rgba(255, 107, 53, 0.4);
    animation: ctaBreath 2s ease-in-out infinite, ctaGlow 2s ease-in-out infinite;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

/* 呼吸效果 - 缩放 */
@keyframes ctaBreath {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

/* 光晕效果 */
@keyframes ctaGlow {
    0%, 100% { box-shadow: 0 10px 40px rgba(255, 107, 53, 0.4); }
    50% { box-shadow: 0 15px 60px rgba(255, 107, 53, 0.7); }
}

/* 光效扫过 */
.cta-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: ctaShine 2s infinite;
}

@keyframes ctaShine {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* 波纹效果 */
.cta-main::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: ctaRipple 2s ease-out infinite;
}

@keyframes ctaRipple {
    0% { 
        width: 0; 
        height: 0; 
        opacity: 0.5; 
    }
    100% { 
        width: 250px; 
        height: 250px; 
        opacity: 0; 
    }
}

/* 按钮文字 */
.cta-text {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 小火箭动画 */
.cta-rocket {
    display: inline-block;
    animation: rocketShake 0.5s ease-in-out infinite;
}

@keyframes rocketShake {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-3px) rotate(-5deg); }
    75% { transform: translateY(-3px) rotate(5deg); }
}

.cta-main:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 20px 60px rgba(255, 107, 53, 0.6);
    animation-play-state: paused;
}

.cta-main:hover::before {
    animation-play-state: paused;
}

.cta-main:active {
    transform: translateY(-1px) scale(0.98);
}

.cta-price {
    display: flex;
    flex-direction: column;
}

.cta-current-price {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
}

.cta-original-price {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: line-through;
}

.hero-notice {
    display: flex;
    align-items: center;
    gap: 16px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* 社交证明 */
.social-proof {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 28px;
    flex-wrap: wrap;
    justify-content: center;
}

.avatar-group {
    display: flex;
}

.avatar-group .review-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    margin-left: -12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: white;
}

.avatar-group .review-avatar:first-child {
    margin-left: 0;
}

.social-proof-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.social-proof-text strong {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 痛点区域 */
.pain-section {
    padding: 100px 20px;
    background: linear-gradient(180deg, #f8f9ff 0%, #fff 100%);
    position: relative;
}

.pain-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.3), transparent);
}

.section-container {
    max-width: 1100px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 56px;
}

.section-title h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-2);
    border-radius: 2px;
}

.section-title p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-top: 12px;
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.pain-card {
    background: var(--white);
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.pain-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-2);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.pain-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.pain-card:hover::before {
    transform: scaleX(1);
}

.pain-icon {
    font-size: 2.8rem;
    margin-bottom: 18px;
    display: inline-block;
    animation: iconBounce 2s ease-in-out infinite;
}

@keyframes iconBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.pain-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.pain-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 课程亮点 */
.benefits-section {
    padding: 100px 20px;
    background: var(--white);
    position: relative;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.benefit-card {
    background: linear-gradient(145deg, #fff 0%, #f8f9ff 100%);
    border-radius: 24px;
    padding: 36px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-2);
}

.benefit-card::after {
    content: '';
    position: absolute;
    top: 20px;
    right: 20px;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(247, 151, 30, 0.1) 100%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.benefit-card:hover::after {
    opacity: 1;
}

.benefit-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.benefit-number {
    position: absolute;
    top: 25px;
    right: 25px;
    font-size: 4.5rem;
    font-weight: 950;
    color: rgba(255, 107, 53, 0.08);
    line-height: 1;
}

.benefit-card h3 {
    font-size: 1.25rem;
    font-weight: 750;
    color: var(--text-dark);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.benefit-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 课程大纲 */
.curriculum-section {
    padding: 100px 20px;
    background: linear-gradient(180deg, #1a1a3e 0%, #0f0f23 100%);
    position: relative;
}

.curriculum-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.curriculum-section .section-title h2 {
    color: var(--white);
}

.curriculum-section .section-title p {
    color: rgba(255, 255, 255, 0.6);
}

.module-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    margin-bottom: 20px;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.module-header {
    background: linear-gradient(135deg, #ff6b35 0%, #f7971e 100%);
    color: white;
    padding: 22px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.module-header:hover {
    background: linear-gradient(135deg, #ff7b45 0%, #ffA721 100%);
}

.module-header h3 {
    font-size: 1.15rem;
    font-weight: 750;
}

.module-header .module-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.module-header .lesson-count {
    background: rgba(255, 255, 255, 0.25);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 650;
}

.module-content {
    padding: 0 28px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.module-card.active .module-content {
    padding: 24px 28px;
    max-height: 2000px;
}

.module-content ul {
    list-style: none;
}

.module-content li {
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    gap: 8px;
}

.module-content li:hover {
    padding-left: 10px;
    color: #fff;
}

.module-content li:last-child {
    border-bottom: none;
}

.module-content li .lesson-name {
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
}

.module-content li .lesson-tag {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 650;
    white-space: nowrap;
}

.module-content li .lesson-tag.free {
    background: rgba(78, 205, 196, 0.2);
    color: #4ecdc4;
}

.module-content li .lesson-tag.required {
    background: rgba(255, 107, 53, 0.2);
    color: #ff9f43;
}

.module-content li .lesson-tag.project {
    background: rgba(102, 126, 234, 0.2);
    color: #a29bfe;
}

.module-content li .lesson-desc {
    width: 100%;
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    line-height: 1.6;
    padding-left: 0;
}

.toggle-icon {
    transition: transform 0.3s ease;
    color: white;
    font-size: 0.8rem;
    display: inline-block;
}

/* 默认状态：箭头向右 */
.toggle-icon::before {
    content: '▶';
}

/* 展开状态：箭头向下 */
.module-card.active .toggle-icon {
    transform: rotate(90deg);
}

/* 日程安排 */
.schedule-section {
    padding: 100px 20px;
    background: linear-gradient(180deg, #fff 0%, #f8f9ff 100%);
    position: relative;
}

.schedule-timeline {
    position: relative;
    padding-left: 50px;
}

.schedule-timeline::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.schedule-item {
    position: relative;
    margin-bottom: 36px;
    padding: 28px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.schedule-item:hover {
    transform: translateX(8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.schedule-item::before {
    content: '';
    position: absolute;
    left: -38px;
    top: 32px;
    width: 18px;
    height: 18px;
    background: var(--gradient-2);
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px var(--primary-color);
}

.schedule-date {
    display: inline-block;
    background: var(--gradient-2);
    color: white;
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.schedule-item h3 {
    font-size: 1.15rem;
    font-weight: 750;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.schedule-item p {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* 每日时间安排条 */
.daily-schedule-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    margin-bottom: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 4px;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.3);
}

.time-slot {
    flex: 1;
    text-align: center;
    padding: 16px 12px;
    background: rgba(255, 255, 255, 0.95);
    border-right: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
}

.time-slot:first-child {
    border-radius: 12px 0 0 12px;
}

.time-slot:last-child {
    border-radius: 0 12px 12px 0;
    border-right: none;
}

.time-slot:hover {
    background: white;
}

.time-slot .time {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 4px;
    font-family: 'Courier New', monospace;
}

.time-slot .activity {
    display: block;
    font-size: 0.8rem;
    color: var(--text-gray);
    font-weight: 600;
}

/* 15天日程网格 */
.schedule-days-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.day-card {
    background: white;
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.day-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.day-card:hover::before {
    transform: scaleX(1);
}

.day-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.day-card.highlight-card {
    background: linear-gradient(135deg, #fff 0%, #fff8f5 100%);
    border: 2px solid rgba(255, 107, 53, 0.2);
}

.day-card.highlight-card::before {
    background: linear-gradient(90deg, #ff6b35, #f7971e);
    transform: scaleX(1);
}

.day-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.day-number {
    font-size: 1.1rem;
    font-weight: 900;
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
}

.day-card.highlight-card .day-number {
    color: #ff6b35;
    background: rgba(255, 107, 53, 0.1);
}

.day-date {
    font-size: 0.85rem;
    color: var(--text-gray);
    font-weight: 600;
}

.day-tag {
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 12px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    font-weight: 700;
}

.day-tag.highlight {
    background: linear-gradient(135deg, #ff6b35 0%, #f7971e 100%);
    color: white;
}

.day-title {
    font-size: 1.1rem;
    font-weight: 750;
    color: var(--text-dark);
    margin-bottom: 14px;
    line-height: 1.4;
}

.day-content {
    list-style: none;
    margin-bottom: 16px;
}

.day-content li {
    font-size: 0.85rem;
    color: var(--text-gray);
    line-height: 1.7;
    padding-left: 16px;
    position: relative;
    margin-bottom: 6px;
}

.day-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: 900;
}

.day-card.highlight-card .day-content li::before {
    color: #ff6b35;
}

.day-homework {
    font-size: 0.8rem;
    color: var(--text-dark);
    background: linear-gradient(135deg, #f8f9ff 0%, #fff 100%);
    padding: 10px 14px;
    border-radius: 10px;
    border-left: 3px solid #667eea;
    font-weight: 600;
}

.day-card.highlight-card .day-homework {
    border-left-color: #ff6b35;
    background: linear-gradient(135deg, #fff8f5 0%, #fff 100%);
}

/* 服务承诺 */
.service-section {
    padding: 100px 20px;
    background: var(--white);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    text-align: center;
    padding: 36px 28px;
    border-radius: 24px;
    background: linear-gradient(145deg, #fff 0%, #f8f9ff 100%);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-2);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.service-card h3 {
    font-size: 1.1rem;
    font-weight: 750;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.service-card p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* 学员评价 */
.review-section {
    padding: 100px 20px;
    background: linear-gradient(180deg, #f8f9ff 0%, #fff 100%);
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.review-card {
    background: var(--white);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.4s ease;
    position: relative;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 6rem;
    color: rgba(255, 107, 53, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.review-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.review-stars {
    color: #ffc107;
    font-size: 1.2rem;
    margin-bottom: 18px;
    letter-spacing: 4px;
}

.review-card p {
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 22px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.review-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--gradient-2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 750;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.review-info .name {
    font-weight: 750;
    color: var(--text-dark);
    font-size: 1rem;
}

.review-info .title {
    font-size: 0.85rem;
    color: var(--text-gray);
}

/* 定价区域 */
.pricing-section {
    padding: 100px 20px;
    background: linear-gradient(180deg, #0f0f23 0%, #1a1a3e 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 50%);
    animation: pricingGlow 8s ease-in-out infinite;
}

@keyframes pricingGlow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, 30px) scale(1.1); }
}

.pricing-section .section-title h2 {
    color: var(--white);
    position: relative;
    z-index: 1;
}

.pricing-section .section-title p {
    color: rgba(255, 255, 255, 0.7);
    position: relative;
    z-index: 1;
}

.pricing-card {
    background: var(--white);
    border-radius: 28px;
    padding: 52px 36px;
    max-width: 520px;
    margin: 0 auto;
    position: relative;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
    z-index: 1;
    animation: cardFloat 6s ease-in-out infinite;
}

@keyframes cardFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* 徽章样式 */
.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-2);
    color: white;
    padding: 10px 28px;
    border-radius: 24px;
    font-size: 0.9rem;
    font-weight: 750;
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { 
        transform: translateX(-50%) scale(1);
        box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
    }
    50% { 
        transform: translateX(-50%) scale(1.05);
        box-shadow: 0 8px 30px rgba(255, 107, 53, 0.6);
    }
}

.badge-icon {
    animation: fireFlicker 0.5s ease-in-out infinite alternate;
}

@keyframes fireFlicker {
    0% { transform: scale(1) rotate(-5deg); }
    100% { transform: scale(1.2) rotate(5deg); }
}

/* 价格对比区域 */
.pricing-comparison {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 30px 0 20px;
}

.original-box, .current-box {
    padding: 15px 25px;
    border-radius: 16px;
    text-align: center;
}

.original-box {
    background: #f0f0f0;
    opacity: 0.7;
}

.original-box .label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-gray);
    margin-bottom: 5px;
}

.original-box .price {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-gray);
    text-decoration: line-through;
}

.current-box {
    background: linear-gradient(135deg, #ff6b35 0%, #f7971e 100%);
    color: white;
    animation: priceBoxGlow 2s ease-in-out infinite;
}

@keyframes priceBoxGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(255, 107, 53, 0.4); }
    50% { box-shadow: 0 0 40px rgba(255, 107, 53, 0.7); }
}

.current-box .label {
    display: block;
    font-size: 0.8rem;
    opacity: 0.9;
    margin-bottom: 5px;
}

.current-box .price {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
}

.arrow {
    font-size: 2rem;
    color: var(--primary-color);
    animation: arrowMove 1s ease-in-out infinite;
}

@keyframes arrowMove {
    0%, 100% { transform: translateX(0); opacity: 1; }
    50% { transform: translateX(10px); opacity: 0.7; }
}

/* 节省金额 */
.pricing-save {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    color: #d63031;
    padding: 10px 24px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(253, 203, 110, 0.5);
    animation: savePulse 1.5s ease-in-out infinite;
}

@keyframes savePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.save-icon {
    animation: moneyBounce 0.6s ease-in-out infinite;
}

@keyframes moneyBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.save-highlight {
    background: #d63031;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    animation: highlightBlink 1s ease-in-out infinite;
}

@keyframes highlightBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* 紧迫感条 */
.urgency-bar {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 15px 25px;
    border-radius: 12px;
    margin-bottom: 25px;
    box-shadow: 0 4px 20px rgba(238, 90, 111, 0.4);
}

.urgency-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.pulse-dot {
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    animation: dotPulse 1s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

.spots-number {
    font-size: 1.5rem;
    font-weight: 800;
    animation: numberShake 0.5s ease-in-out infinite;
}

@keyframes numberShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-3px); }
    75% { transform: translateX(3px); }
}

.urgency-sub {
    font-size: 0.85rem;
    opacity: 0.9;
}

/* 功能列表 */
.pricing-features {
    text-align: left;
    margin: 25px 0;
    padding: 25px;
    background: linear-gradient(145deg, #f8f9ff 0%, #fff 100%);
    border-radius: 16px;
    border: 2px solid rgba(102, 126, 234, 0.1);
}

.pricing-features li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-dark);
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.pricing-features li:hover {
    padding-left: 10px;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 8px;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.feature-icon {
    font-size: 1.3rem;
    animation: iconWiggle 2s ease-in-out infinite;
}

.pricing-features li:nth-child(2) .feature-icon { animation-delay: 0.1s; }
.pricing-features li:nth-child(3) .feature-icon { animation-delay: 0.2s; }
.pricing-features li:nth-child(4) .feature-icon { animation-delay: 0.3s; }
.pricing-features li:nth-child(5) .feature-icon { animation-delay: 0.4s; }
.pricing-features li:nth-child(6) .feature-icon { animation-delay: 0.5s; }
.pricing-features li:nth-child(7) .feature-icon { animation-delay: 0.6s; }
.pricing-features li:nth-child(8) .feature-icon { animation-delay: 0.7s; }

@keyframes iconWiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-10deg); }
    75% { transform: rotate(10deg); }
}

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

/* 按钮容器 */
.btn-wrapper {
    position: relative;
    margin: 30px 0;
}

.btn-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: var(--gradient-2);
    border-radius: 56px;
    filter: blur(20px);
    opacity: 0.5;
    animation: glowPulse 2s ease-in-out infinite;
    z-index: 0;
}

@keyframes glowPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.05); opacity: 0.8; }
}

.pricing-btn {
    width: 100%;
    background: var(--gradient-2);
    color: white;
    border: none;
    padding: 22px;
    border-radius: 56px;
    font-size: 1.25rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 12px 40px rgba(255, 107, 53, 0.4);
    position: relative;
    overflow: hidden;
    z-index: 1;
    animation: btnAttention 3s ease-in-out infinite;
}

@keyframes btnAttention {
    0%, 100% { transform: scale(1); }
    10% { transform: scale(1.02); }
    20% { transform: scale(1); }
    30% { transform: scale(1.02); }
    40% { transform: scale(1); }
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shineMove 2s infinite;
}

@keyframes shineMove {
    0% { left: -100%; }
    100% { left: 100%; }
}

.btn-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: rippleEffect 2s ease-out infinite;
}

@keyframes rippleEffect {
    0% { width: 0; height: 0; opacity: 0.5; }
    100% { width: 300px; height: 300px; opacity: 0; }
}

.pricing-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 60px rgba(255, 107, 53, 0.6);
}

.pricing-btn:active {
    transform: translateY(0) scale(0.98);
}

.btn-text {
    position: relative;
    z-index: 2;
}

/* 信任徽章 */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-gray);
    padding: 8px 15px;
    background: #f8f9ff;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.trust-item:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.trust-icon {
    font-size: 1rem;
}

/* 导师介绍 */
.instructor-section {
    padding: 100px 20px;
    background: var(--white);
    position: relative;
}

.instructor-card {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 900px;
    margin: 0 auto;
    padding: 50px;
    background: linear-gradient(145deg, #fff 0%, #f8f9ff 100%);
    border-radius: 24px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.instructor-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-2);
}

.instructor-card:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.instructor-avatar {
    flex-shrink: 0;
    width: 180px;
    height: 180px;
}

.instructor-avatar img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 4px solid #ff6b35;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.instructor-info {
    flex: 1;
}

.instructor-name {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.instructor-title {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 24px;
}

.instructor-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 24px;
}

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

.stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 900;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-top: 4px;
}

.instructor-bio {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 28px;
}

.instructor-social {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.bili-btn {
    background: linear-gradient(135deg, #00a1d6 0%, #00b5e5 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 161, 214, 0.3);
}

.bili-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 161, 214, 0.4);
}

.youtube-btn {
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
}

.youtube-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 0, 0, 0.4);
}

.social-icon {
    font-size: 1.1rem;
}

/* FAQ */
.faq-section {
    padding: 100px 20px;
    background: var(--white);
}

.faq-item {
    background: linear-gradient(145deg, #fff 0%, #f8f9ff 100%);
    border-radius: 16px;
    margin-bottom: 14px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.faq-question {
    padding: 22px 28px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 650;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.faq-question:hover {
    color: var(--primary-color);
    padding-left: 32px;
}

.faq-answer {
    padding: 0 28px 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    color: var(--text-gray);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    padding: 0 28px 22px;
    max-height: 300px;
}

.faq-icon {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

/* 页脚 */
.footer {
    background: linear-gradient(180deg, #1a1a3e 0%, #0f0f23 100%);
    color: rgba(255, 255, 255, 0.6);
    padding: 50px 20px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer p {
    font-size: 0.9rem;
}

/* 咨询区域 */
.contact-section {
    padding: 80px 20px;
    background: linear-gradient(180deg, #f8f9ff 0%, #fff 100%);
}

.contact-card {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.04);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.contact-content {
    flex: 1;
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.contact-icon svg {
    stroke: white;
}

.contact-text h3 {
    font-size: 1.4rem;
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.contact-text p {
    font-size: 1rem;
    color: #4a5568;
    line-height: 1.6;
}

.contact-qrcode {
    text-align: center;
    flex-shrink: 0;
}

.contact-qrcode img {
    width: 160px;
    height: 160px;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    margin-bottom: 12px;
}

.contact-qrcode p {
    font-size: 0.85rem;
    color: #4a5568;
    font-weight: 600;
}

/* 悬浮微信按钮 */
.floating-wechat {
    position: fixed;
    right: 30px;
    bottom: 100px;
    z-index: 998;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.wechat-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #07c160 0%, #05a050 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(7, 193, 96, 0.4);
    transition: all 0.3s ease;
    color: white;
}

.wechat-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 28px rgba(7, 193, 96, 0.5);
}

.wechat-tooltip {
    font-size: 0.75rem;
    color: white;
    background: rgba(0, 0, 0, 0.7);
    padding: 4px 10px;
    border-radius: 12px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.floating-wechat:hover .wechat-tooltip {
    opacity: 1;
    transform: translateY(0);
}

/* 微信咨询弹窗 */
.wechat-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.wechat-modal.active {
    opacity: 1;
    visibility: visible;
}

.wechat-modal-content {
    background: white;
    border-radius: 24px;
    padding: 40px;
    max-width: 360px;
    width: 90%;
    position: relative;
    transform: scale(0.9);
    transition: all 0.3s ease;
}

.wechat-modal.active .wechat-modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: #f8f9ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #4a5568;
}

.modal-close:hover {
    background: #e2e8f0;
    transform: rotate(90deg);
}

.modal-header {
    text-align: center;
    margin-bottom: 24px;
}

.modal-header svg {
    fill: #07c160;
    margin-bottom: 12px;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 6px;
}

.modal-header p {
    font-size: 0.9rem;
    color: #4a5568;
}

.modal-qrcode {
    text-align: center;
    margin-bottom: 20px;
}

.modal-qrcode img {
    width: 200px;
    height: 200px;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.modal-footer {
    text-align: center;
}

.modal-footer p {
    font-size: 0.85rem;
    color: #4a5568;
}

/* 滚动动画 */
.scroll-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 90px 0 70px;
    }
    
    .hero-content {
        padding: 50px 16px 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }
    
    .hero-stats {
        justify-content: center;
        gap: 12px;
    }
    
    .stat-item {
        padding: 12px 16px;
        min-width: 70px;
    }
    
    .stat-number {
        font-size: 1.6rem;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .cta-main {
        padding: 16px 40px;
        font-size: 1.1rem;
        width: 100%;
        max-width: 280px;
    }
    
    .hero-notice {
        justify-content: center;
    }
    
    .social-proof {
        justify-content: center;
    }
    
    .countdown-card {
        padding: 20px 24px;
        width: 100%;
        max-width: 320px;
    }
    
    .countdown-timer {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .countdown-item {
        min-width: 60px;
        padding: 10px 8px;
    }
    
    .countdown-item .number {
        font-size: 1.4rem;
    }
    
    .fixed-bottom-bar {
        display: flex;
    }
    
    .floating-payment-card {
        display: none;
    }
    
    .pricing-current {
        font-size: 3.2rem;
    }
    
    .section-title h2 {
        font-size: 1.6rem;
    }
    
    .pain-grid,
    .benefits-grid,
    .review-grid {
        grid-template-columns: 1fr;
    }
    
    .module-header {
        padding: 18px 20px;
    }
    
    .module-header h3 {
        font-size: 1rem;
    }
    
    .schedule-timeline {
        padding-left: 30px;
    }
    
    .schedule-item::before {
        left: -27px;
        width: 14px;
        height: 14px;
    }
    
    /* 移动端日程样式 */
    .daily-schedule-bar {
        flex-wrap: wrap;
        gap: 4px;
        padding: 8px;
    }
    
    .time-slot {
        flex: 1 1 30%;
        padding: 10px 6px;
        border-radius: 8px !important;
        border-right: none;
    }
    
    .time-slot .time {
        font-size: 0.7rem;
    }
    
    .time-slot .activity {
        font-size: 0.65rem;
    }
    
    .schedule-days-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .day-card {
        padding: 18px;
    }
    
    .day-header {
        gap: 6px;
    }
    
    .day-number {
        font-size: 0.9rem;
        padding: 3px 10px;
    }
    
    .day-date {
        font-size: 0.75rem;
    }
    
    .day-tag {
        font-size: 0.6rem;
        padding: 2px 8px;
    }
    
    .day-title {
        font-size: 1rem;
    }
    
    .day-content li {
        font-size: 0.8rem;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-question {
        padding: 18px 20px;
        font-size: 0.95rem;
    }
    
    .pricing-card {
        padding: 40px 24px;
        margin: 0 10px;
    }
    
    /* 导师介绍手机端 */
    .instructor-card {
        flex-direction: column;
        text-align: center;
        gap: 30px;
        padding: 30px 20px;
    }
    
    .instructor-avatar img {
        width: 140px;
        height: 140px;
    }
    
    .instructor-name {
        font-size: 1.6rem;
    }
    
    .instructor-stats {
        justify-content: center;
        gap: 24px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .instructor-social {
        justify-content: center;
    }
    
    .social-btn {
        padding: 10px 18px;
        font-size: 0.85rem;
    }

    /* 咨询区域移动端 */
    .contact-section {
        padding: 50px 16px;
    }

    .contact-card {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
        gap: 30px;
    }

    .contact-icon {
        width: 64px;
        height: 64px;
        margin: 0 auto 16px;
    }

    .contact-text h3 {
        font-size: 1.2rem;
    }

    .contact-text p {
        font-size: 0.9rem;
    }

    .contact-qrcode img {
        width: 140px;
        height: 140px;
    }

    /* 悬浮微信按钮移动端 */
    .floating-wechat {
        right: 16px;
        bottom: 90px;
    }

    .wechat-icon {
        width: 48px;
        height: 48px;
    }

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

    .wechat-tooltip {
        display: none;
    }

    /* 微信弹窗移动端 */
    .wechat-modal-content {
        padding: 30px 20px;
    }

    .modal-qrcode img {
        width: 180px;
        height: 180px;
    }
}

@media (min-width: 769px) {
    .desktop-cta {
        display: block;
    }
}

/* 购买按钮悬停音效提示 */
.cta-main,
.pricing-btn,
.fixed-bottom-bar .buy-btn {
    position: relative;
}

.cta-main:active,
.pricing-btn:active,
.fixed-bottom-bar .buy-btn:active {
    animation: buttonClick 0.2s ease;
}

@keyframes buttonClick {
    0% { transform: scale(1); }
    50% { transform: scale(0.96); }
    100% { transform: scale(1); }
}

/* 图片懒加载效果 */
img {
    opacity: 1;
    transition: opacity 0.5s ease;
}

img.loaded {
    opacity: 1;
}

/* 滚动进度条 */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-2);
    z-index: 9999;
    transition: width 0.1s ease;
    width: 0%;
}

/* 期数切换器 */
.session-switcher {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
}

.session-switcher-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.session-buttons {
    display: flex;
    gap: 8px;
}

.session-btn {
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 25px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.session-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 107, 53, 0.4);
    color: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
}

.session-btn.active {
    background: linear-gradient(135deg, #ff6b35 0%, #f7971e 100%);
    border-color: transparent;
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.session-btn.active:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

@media (max-width: 768px) {
    .session-switcher {
        flex-direction: column;
        gap: 8px;
        padding: 10px 16px;
        margin-bottom: 20px;
    }
    
    .session-switcher-label {
        font-size: 0.8rem;
    }
    
    .session-buttons {
        width: 100%;
        justify-content: center;
    }
    
    .session-btn {
        flex: 1;
        padding: 8px 16px;
        font-size: 0.8rem;
    }
}