/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00ff88;
    --secondary-color: #00d4ff;
    --dark-bg: #0a0e1a;
    --darker-bg: #050810;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --danger-color: #ff4444;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 渐变背景 */
.gradient-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, 
        #0a1628 0%, 
        #0d1b2a 25%, 
        #1b263b 50%, 
        #2d1b3d 75%, 
        #1a0f2e 100%);
}

.container {
    max-width: 100%;
    padding: 0 20px;
    margin: 0 auto;
}

/* ========== 第一屏：痛点与钩子 ========== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 2rem 0;
}

.hero-section .container {
    width: 100%;
}

.logo-wrapper {
    text-align: center;
    margin-bottom: 2.5rem;
    width: 100%;
}

.logo {
    max-height: 60px;
    width: auto;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    object-fit: contain;
}

.hero-hook {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    line-height: 1.5;
    margin-bottom: 2rem;
    color: var(--text-primary);
    padding: 0 10px;
}

.pain-box {
    background: rgba(255, 68, 68, 0.1);
    border: 2px solid rgba(255, 68, 68, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 0 auto 2rem;
    max-width: 90%;
}

.pain-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.95);
    text-align: center;
    line-height: 1.7;
}

.pain-text strong {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1rem;
}

.solution-hint {
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-align: center;
    margin: 0 auto 2rem;
    line-height: 1.8;
    padding: 0 15px;
    max-width: 95%;
}

.solution-hint strong {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1rem;
}


/* 对比图 - 两张图重叠展示（参考主页效果）*/
.comparison-visual {
    position: relative;
    margin-top: 2rem;
    height: 500px;
    perspective: 1200px;
}

.compare-img {
    position: absolute;
    border-radius: 16px;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.6);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.compare-left {
    left: 10px;
    top: 0;
    width: 58%;
    z-index: 1;
    transform: rotateY(-10deg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
}

.compare-right {
    right: 10px;
    top: 40px;
    width: 54%;
    z-index: 2;
    transform: rotateY(10deg);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8);
}

.compare-img:hover {
    transform: rotateY(0deg) scale(1.02);
    z-index: 10;
}

@media (max-width: 375px) {
    .comparison-visual {
        height: 420px;
    }
    
    .compare-left {
        width: 60%;
        left: 5px;
    }
    
    .compare-right {
        width: 56%;
        right: 5px;
        top: 35px;
    }
}

/* 产品介绍卡片 */
.hero-product-card {
    margin-top: 3rem;
    padding: 2.5rem 1.5rem;
    background: linear-gradient(135deg, rgba(10, 15, 25, 0.95) 0%, rgba(15, 20, 35, 0.95) 100%);
    backdrop-filter: blur(15px);
    border: 2px solid rgba(0, 255, 136, 0.3);
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 255, 136, 0.1) inset;
    position: relative;
}

.product-badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 20px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.product-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.product-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.cta-highlight {
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.cta-intro {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.cta-offer {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.5;
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.btn-contact {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.1rem 1.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-contact::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-contact:active::before {
    width: 300px;
    height: 300px;
}

.btn-contact:active {
    transform: scale(0.98);
}

.btn-text {
    position: relative;
    z-index: 1;
}

.btn-wechat {
    background: linear-gradient(135deg, #07c160, #00d96f);
    color: #ffffff;
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: #ffffff;
}

.btn-line {
    background: linear-gradient(135deg, #00b900, #00c300);
    color: #ffffff;
}

.cta-urgency {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
    padding: 0.75rem;
    background: rgba(255, 136, 0, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 136, 0, 0.2);
}

.btn-hero-cta {
    display: block;
    width: 100%;
    padding: 1.2rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4);
    animation: pulse 2s infinite;
}

.btn-hero-cta:active {
    transform: scale(0.98);
}

/* ========== 第二屏：给方案，列好处 ========== */
.solution-section {
    padding: 4rem 0;
    background: linear-gradient(180deg, 
        rgba(10, 14, 26, 0) 0%, 
        rgba(10, 14, 26, 0.5) 50%,
        rgba(10, 14, 26, 0) 100%);
}

.section-title {
    font-size: 1.6rem;
    font-weight: 700;
    text-align: center;
    line-height: 1.4;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.ui-showcase {
    text-align: center;
    margin-bottom: 2.5rem;
}

.ui-img {
    width: 100%;
    max-width: 350px;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* 功能列表 */
.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.benefit-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(10, 15, 25, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 12px;
}

.benefit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    color: var(--primary-color);
}

.benefit-content h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

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

.benefit-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ========== 为什么选择小鸡AI ========== */
.why-choose-section {
    padding: 3rem 0;
    background: linear-gradient(180deg, 
        rgba(10, 14, 26, 0) 0%, 
        rgba(10, 14, 26, 0.5) 50%,
        rgba(10, 14, 26, 0) 100%);
}

.why-choose-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.why-choose-card {
    padding: 1.5rem;
    background: rgba(10, 15, 25, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: all 0.3s;
}

.why-choose-card.highlight {
    border-color: var(--primary-color);
    background: rgba(0, 255, 136, 0.05);
}

.why-choose-card h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.why-choose-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== 核心功能矩阵 ========== */
.core-features-section {
    padding: 3rem 0;
}

.core-features-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.core-feature-card {
    padding: 1.5rem;
    background: rgba(10, 15, 25, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: all 0.3s;
}

.core-feature-card h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.core-feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== 第三屏：甩案例，建信任 ========== */
.cases-section {
    padding: 3rem 0;
}

.case-visual {
    text-align: center;
    margin-bottom: 2rem;
}

.case-img {
    width: 100%;
    max-width: 350px;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.case-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.case-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(10, 15, 25, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.case-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.case-content h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

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

.case-content strong {
    color: var(--text-primary);
    font-weight: 700;
}

/* ========== 第四屏：极简 Offer 与促单 ========== */
.pricing-section {
    padding: 3rem 0;
    background: linear-gradient(180deg, 
        rgba(10, 14, 26, 0) 0%, 
        rgba(10, 14, 26, 0.5) 50%,
        rgba(10, 14, 26, 0) 100%);
}

.offer-badge {
    display: inline-block;
    width: 100%;
    text-align: center;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

.price-display {
    text-align: center;
    padding: 2rem 1.5rem;
    background: rgba(10, 15, 25, 0.8);
    backdrop-filter: blur(10px);
    border: 2px solid var(--primary-color);
    border-radius: 16px;
    margin-bottom: 2rem;
}

.price-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 1rem;
}

.price-label {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-right: 0.5rem;
}

.price-amount {
    font-size: 3rem;
    color: var(--primary-color);
    font-weight: 900;
    line-height: 1;
}

.price-unit {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}

.price-bonus {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.price-bonus strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* 你将获得 */
.get-list {
    background: rgba(10, 15, 25, 0.5);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.get-title {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.get-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    background: rgba(0, 255, 136, 0.05);
    border-radius: 8px;
}

.get-item:last-child {
    margin-bottom: 0;
}

.get-number {
    font-size: 1.2rem;
    flex-shrink: 0;
}

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

.urgency-text {
    font-size: 1.2rem;
    color: var(--primary-color);
    text-align: center;
    font-weight: 700;
}

/* ========== 页脚 ========== */
.footer {
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ========== 响应式优化 ========== */
@media (max-width: 375px) {
    .hero-hook {
        font-size: 1.4rem;
    }
    
    .section-title {
        font-size: 1.4rem;
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
    
    .btn-floating {
        font-size: 1.1rem;
        padding: 1.1rem 1.5rem;
    }
}