/* ========================================
   全局样式
   ======================================== */

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

:root {
    --burgundy: #6B2737;
    --gold: #C9A96E;
    --cream: #FDF4E3;
    --text-dark: #2C1810;
    --text-light: #8B7355;
    --shadow: rgba(107, 39, 55, 0.15);
}

body {
    font-family: 'Noto Serif JP', serif;
    color: var(--text-dark);
    background-color: var(--cream);
    line-height: 1.8;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   浮动通知
   ======================================== */

#floating-notifications {
    position: fixed;
    top: 100px;
    left: 20px;
    z-index: 999;
    pointer-events: none;
}

.notification {
    background: white;
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    animation: slideIn 0.5s ease-out, slideOut 0.5s ease-in 4.5s;
    border-left: 4px solid var(--burgundy);
}

.notification i {
    color: var(--burgundy);
    font-size: 20px;
}

.notification-text {
    font-size: 14px;
    color: var(--text-dark);
}

.notification-user {
    font-weight: 600;
    color: var(--burgundy);
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(-100%);
        opacity: 0;
    }
}

/* ========================================
   Hero区域
   ======================================== */

.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(107, 39, 55, 0.85) 0%, 
        rgba(201, 169, 110, 0.65) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 80px 20px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gold);
    color: white;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 30px;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    color: white;
    line-height: 1.2;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    color: var(--gold);
    display: block;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--cream);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    font-size: 1.1rem;
}

.feature-item i {
    color: var(--gold);
    font-size: 20px;
}

.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 50px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--cream);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-card {
    position: relative;
    width: 100%;
    max-width: 500px;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    transform: rotate(2deg);
    transition: transform 0.3s ease;
}

.image-card:hover {
    transform: rotate(0deg) scale(1.05);
}

.hero-person-img {
    width: 100%;
    height: auto;
    display: block;
}

/* ========================================
   按钮样式
   ======================================== */

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: 'Noto Serif JP', serif;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.cta-button.primary {
    background: linear-gradient(135deg, var(--burgundy) 0%, #8B3A4A 100%);
    color: white;
    box-shadow: 0 8px 30px rgba(107, 39, 55, 0.4);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(107, 39, 55, 0.6);
}

.cta-button.large {
    padding: 22px 50px;
    font-size: 1.3rem;
}

.line-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.pulse {
    animation: pulse 2s infinite;
}

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

/* ========================================
   通用内容区域
   ======================================== */

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--burgundy);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gold);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.content-grid.left-image .content-image {
    order: 1;
}

.content-grid.left-image .content-text {
    order: 2;
}

.content-grid.right-image .content-text {
    order: 1;
}

.content-grid.right-image .content-image {
    order: 2;
}

.content-image {
    position: relative;
}

.content-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 15px 50px var(--shadow);
}

.content-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--burgundy);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.content-title i {
    color: var(--gold);
    font-size: 1.8rem;
}

.content-description {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 30px;
    line-height: 1.9;
}

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

.content-list li {
    font-size: 1.05rem;
    color: var(--text-dark);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.content-list i {
    color: var(--burgundy);
    font-size: 18px;
}

/* ========================================
   关于部分
   ======================================== */

.about-section {
    background: white;
}

/* ========================================
   三桥先生部分
   ======================================== */

.who-section {
    background: var(--cream);
}

.highlight-box {
    background: linear-gradient(135deg, var(--burgundy) 0%, #8B3A4A 100%);
    color: white;
    padding: 30px;
    border-radius: 15px;
    margin-top: 30px;
    position: relative;
}

.highlight-box i {
    font-size: 2rem;
    color: var(--gold);
    margin-bottom: 15px;
}

.highlight-box p {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 15px;
    font-style: italic;
}

.quote-author {
    text-align: right;
    font-size: 1rem;
    color: var(--gold);
    font-weight: 600;
}

/* ========================================
   书籍部分
   ======================================== */

.books-section {
    background: white;
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.book-card {
    background: var(--cream);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.book-card:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    box-shadow: 0 15px 50px var(--shadow);
}

.book-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--burgundy) 0%, #8B3A4A 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.book-icon i {
    font-size: 2.5rem;
    color: white;
}

.book-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--burgundy);
    margin-bottom: 20px;
}

.book-description {
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: 25px;
    line-height: 1.7;
}

.book-topics {
    list-style: none;
    text-align: left;
}

.book-topics li {
    font-size: 0.95rem;
    color: var(--text-light);
    padding: 8px 0;
    border-bottom: 1px solid rgba(107, 39, 55, 0.1);
}

.book-topics li:last-child {
    border-bottom: none;
}

/* ========================================
   流程部分
   ======================================== */

.how-section {
    background: var(--cream);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 30px;
    align-items: center;
    margin-bottom: 60px;
}

.step-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    box-shadow: 0 5px 30px var(--shadow);
    transition: all 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px var(--shadow);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--burgundy) 0%, #8B3A4A 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 5px 20px rgba(107, 39, 55, 0.4);
}

.step-icon {
    width: 70px;
    height: 70px;
    background: var(--cream);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step-icon i {
    font-size: 2rem;
    color: var(--burgundy);
}

.step-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--burgundy);
    margin-bottom: 15px;
}

.step-description {
    font-size: 1rem;
    color: var(--text-dark);
    line-height: 1.7;
}

.step-arrow {
    color: var(--gold);
    font-size: 2rem;
}

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

/* ========================================
   评价部分
   ======================================== */

.testimonials-section {
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--cream);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 5px 30px var(--shadow);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px var(--shadow);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--burgundy) 0%, #8B3A4A 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-avatar i {
    font-size: 1.5rem;
    color: white;
}

.testimonial-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--burgundy);
}

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

.testimonial-rating {
    margin-bottom: 15px;
}

.testimonial-rating i {
    color: var(--gold);
    font-size: 1rem;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-dark);
    line-height: 1.8;
}

/* ========================================
   FAQ部分
   ======================================== */

.faq-section {
    background: var(--cream);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 15px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 3px 20px var(--shadow);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 25px 30px;
    cursor: pointer;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--burgundy);
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: var(--cream);
}

.faq-question i {
    color: var(--gold);
    font-size: 1.3rem;
}

.faq-answer {
    padding: 0 30px 25px 60px;
    font-size: 1rem;
    color: var(--text-dark);
    line-height: 1.8;
}

/* ========================================
   最终CTA部分
   ======================================== */

.final-cta-section {
    background: linear-gradient(135deg, var(--burgundy) 0%, #8B3A4A 100%);
    color: white;
    text-align: center;
}

.final-cta-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: white;
}

.final-cta-text {
    font-size: 1.3rem;
    margin-bottom: 40px;
    line-height: 1.8;
    color: var(--cream);
}

.final-cta-features {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 50px;
}

.final-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.final-feature i {
    font-size: 2.5rem;
    color: var(--gold);
}

.final-feature span {
    font-size: 1.1rem;
    font-weight: 600;
}

.final-cta-note {
    font-size: 0.95rem;
    color: var(--gold);
    margin-top: 20px;
}

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

.footer {
    background: var(--text-dark);
    color: white;
    padding: 50px 0 30px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
}

.footer-logo i {
    color: var(--gold);
    font-size: 2rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-links a {
    color: var(--cream);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--gold);
}

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

/* ========================================
   固定底部CTA
   ======================================== */

.fixed-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px 20px;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.fixed-cta .cta-button {
    width: auto;
    max-width: 600px;
}

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

@media (max-width: 1024px) {
    /* Hero部分手机端优化 */
    .hero {
        min-height: auto;
        padding: 60px 0 40px;
    }
    
    .hero-content {
        padding: 40px 20px;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* 手机端图片在上方显示 */
    .hero-image {
        order: -1;
        margin-bottom: 20px;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
        margin-bottom: 20px;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 25px;
    }
    
    .hero-features {
        align-items: center;
        gap: 12px;
        margin-bottom: 30px;
    }
    
    .image-card {
        max-width: 350px;
        margin: 0 auto;
    }
    
    /* 内容网格优化 */
    .content-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .content-grid.left-image .content-image,
    .content-grid.left-image .content-text,
    .content-grid.right-image .content-text,
    .content-grid.right-image .content-image {
        order: initial;
    }
    
    .content-title {
        justify-content: center;
    }
    
    .content-list {
        display: inline-block;
        text-align: left;
    }
    
    .books-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .step-arrow {
        transform: rotate(90deg);
        margin: 15px 0;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

@media (max-width: 768px) {
    /* Hero部分进一步压缩 */
    .hero {
        min-height: auto;
        padding: 40px 0 30px;
    }
    
    .hero-content {
        padding: 20px 15px;
    }
    
    .hero-badge {
        font-size: 0.85rem;
        padding: 8px 16px;
        margin-bottom: 20px;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
        margin-bottom: 15px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 20px;
    }
    
    .hero-features {
        gap: 10px;
        margin-bottom: 25px;
    }
    
    .feature-item {
        font-size: 0.95rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
        margin-top: 30px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    .image-card {
        max-width: 300px;
    }
    
    /* 章节标题优化 */
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    /* 内容优化 */
    .content-title {
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    .content-description {
        font-size: 1rem;
        margin-bottom: 20px;
    }
    
    /* 书籍卡片优化 */
    .book-card {
        padding: 30px 20px;
    }
    
    .book-title {
        font-size: 1.3rem;
    }
    
    /* 步骤卡片优化 */
    .step-card {
        padding: 30px 20px;
    }
    
    .step-title {
        font-size: 1.1rem;
    }
    
    .step-description {
        font-size: 0.95rem;
    }
    
    /* 评价卡片优化 */
    .testimonial-card {
        padding: 25px 20px;
    }
    
    .testimonial-text {
        font-size: 0.95rem;
    }
    
    /* FAQ优化 */
    .faq-question {
        padding: 20px;
        font-size: 1rem;
    }
    
    .faq-answer {
        padding: 0 20px 20px 50px;
        font-size: 0.95rem;
    }
    
    /* 最终CTA优化 */
    .final-cta-title {
        font-size: 2rem;
        margin-bottom: 20px;
    }
    
    .final-cta-text {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }
    
    .final-cta-features {
        flex-direction: row;
        gap: 20px;
        margin-bottom: 35px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .final-feature {
        flex: 0 1 auto;
    }
    
    .final-feature i {
        font-size: 2rem;
    }
    
    .final-feature span {
        font-size: 1rem;
    }
    
    /* 通知优化 */
    #floating-notifications {
        left: 10px;
        right: 10px;
        top: 80px;
    }
    
    .notification {
        min-width: auto;
        max-width: 100%;
        padding: 12px 15px;
        font-size: 0.85rem;
    }
    
    /* 页脚优化 */
    .footer {
        padding: 40px 0 25px;
    }
    
    .footer-logo {
        font-size: 1.3rem;
        margin-bottom: 25px;
    }
    
    .footer-links {
        flex-direction: row;
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-links a {
        font-size: 0.9rem;
    }
    
    /* 固定CTA按钮优化 */
    .fixed-cta {
        padding: 12px 15px;
    }
    
    .fixed-cta .cta-button {
        width: 100%;
        max-width: 500px;
        justify-content: center;
        padding: 15px 25px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    /* 超小屏幕进一步优化 */
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-badge {
        font-size: 0.8rem;
        padding: 6px 14px;
    }
    
    .image-card {
        max-width: 280px;
    }
    
    .cta-button {
        padding: 14px 25px;
        font-size: 0.95rem;
        gap: 8px;
    }
    
    .cta-button.large {
        padding: 16px 30px;
        font-size: 1rem;
    }
    
    .line-icon {
        width: 24px;
        height: 24px;
    }
    
    section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-stats {
        gap: 12px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .final-cta-features {
        gap: 15px;
    }
    
    .final-feature i {
        font-size: 1.8rem;
    }
    
    .final-feature span {
        font-size: 0.9rem;
    }
    
    .fixed-cta .cta-button {
        padding: 13px 20px;
        font-size: 0.9rem;
    }
}