/* ===========================
   全局样式与变量
   =========================== */
:root {
    /* 色彩系统 - 温暖与觉知 */
    --primary-color: #d4a574;
    --primary-dark: #b8895f;
    --secondary-color: #e8c4a0;
    --accent-color: #c89868;
    --text-dark: #2a2420;
    --text-light: #6b5d54;
    --text-muted: #9b8d80;
    --bg-cream: #faf8f5;
    --bg-light: #f5f0eb;
    --bg-dark: #3a302a;
    
    /* 渐变 */
    --gradient-warm: linear-gradient(135deg, #d4a574 0%, #c89868 100%);
    --gradient-soft: linear-gradient(180deg, rgba(212, 165, 116, 0.1) 0%, rgba(232, 196, 160, 0.05) 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(42, 36, 32, 0.8) 0%, rgba(42, 36, 32, 0.4) 100%);
    
    /* 字体 */
    --font-serif: 'Noto Serif SC', serif;
    --font-sans: 'Noto Sans SC', sans-serif;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* 动画时间 */
    --transition-fast: 0.2s;
    --transition-normal: 0.4s;
    --transition-slow: 0.8s;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(42, 36, 32, 0.08);
    --shadow-md: 0 4px 16px rgba(42, 36, 32, 0.12);
    --shadow-lg: 0 8px 32px rgba(42, 36, 32, 0.16);
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background-color: var(--bg-cream);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===========================
   导航栏
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-warm);
    transition: width var(--transition-normal);
}

.nav-menu a:hover {
    color: var(--primary-color);
}

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

.cta-button {
    background: var(--gradient-warm);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-dark);
    transition: all var(--transition-fast);
}

/* ===========================
   英雄区
   =========================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-soft);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.15) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.title-line {
    display: block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.hero-description p {
    margin-bottom: 0.5rem;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.primary-button {
    background: var(--gradient-warm);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.primary-button.large {
    padding: 1.25rem 3rem;
    font-size: 1.2rem;
}

.secondary-button {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.secondary-button:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.secondary-button.large {
    padding: 1.25rem 3rem;
    font-size: 1.2rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-muted);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    transform: rotate(45deg);
    margin: 0.5rem auto 0;
}

/* ===========================
   章节通用样式
   =========================== */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-tag {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

.section-intro {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===========================
   价值核心区
   =========================== */
.value-core {
    background: var(--bg-light);
}

.value-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.value-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
}

.value-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.value-card h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.card-description {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.card-detail {
    padding-top: 1.5rem;
    border-top: 1px solid var(--bg-light);
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===========================
   痛苦转化区
   =========================== */
.transformation {
    background: var(--bg-cream);
}

.transformation-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.transformation-text h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.highlight-text {
    font-size: 1.3rem;
    color: var(--primary-color);
    font-weight: 600;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.transformation-text p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.insight-box {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
    margin: 2rem 0;
}

.insight-box strong {
    color: var(--text-dark);
    font-size: 1.1rem;
}

.insight-box ul {
    margin-top: 1rem;
    padding-left: 1.5rem;
}

.insight-box li {
    color: var(--text-light);
    line-height: 2;
    margin-bottom: 0.5rem;
}

.wisdom-text {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--accent-color);
    font-style: italic;
    line-height: 1.8;
    padding: 1.5rem;
    border-left: 3px solid var(--secondary-color);
    background: var(--gradient-soft);
}

.transformation-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.circle-element {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: var(--gradient-warm);
    opacity: 0.2;
    transform: translate(-50%, -50%);
    animation: pulse 3s ease-in-out infinite;
    animation-delay: var(--delay);
}

.circle-element:nth-child(2) {
    width: 250px;
    height: 250px;
    opacity: 0.15;
}

.circle-element:nth-child(3) {
    width: 350px;
    height: 350px;
    opacity: 0.1;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

/* ===========================
   四阶段旅程
   =========================== */
.journey {
    background: var(--bg-dark);
    color: var(--bg-cream);
}

.journey .section-tag {
    color: var(--secondary-color);
}

.journey .section-title {
    color: var(--bg-cream);
}

.journey .section-intro {
    color: rgba(250, 248, 245, 0.8);
}

.journey-stages {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 3rem;
}

.stage {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 2rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 165, 116, 0.2);
    opacity: 0;
    transform: translateX(-50px);
    transition: all var(--transition-slow);
}

.stage.animate {
    opacity: 1;
    transform: translateX(0);
}

.stage:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
}

.stage-number {
    font-family: var(--font-serif);
    font-size: 5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stage-content h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.stage-pain {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.stage-meaning {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.stage-detail {
    color: rgba(250, 248, 245, 0.9);
    line-height: 1.8;
}

.stage-detail p {
    margin-bottom: 1rem;
}

.stage-detail blockquote {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--secondary-color);
    padding: 1rem 1.5rem;
    border-left: 3px solid var(--primary-color);
    background: rgba(212, 165, 116, 0.1);
    margin-top: 1rem;
}

/* ===========================
   方法论区
   =========================== */
.method {
    background: var(--bg-light);
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.flip-card {
    perspective: 1000px;
    height: 300px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.flip-card-front {
    background: white;
}

.flip-card-back {
    background: var(--gradient-warm);
    color: white;
    transform: rotateY(180deg);
}

.method-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.flip-card-front h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    text-align: center;
}

.flip-card-front p {
    color: var(--text-muted);
    text-align: center;
}

.flip-card-back p {
    line-height: 1.8;
    text-align: center;
    margin-bottom: 1rem;
}

.method-quote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: 1rem;
}

.balance-chart {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.balance-chart h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 3rem;
}

.chart-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.chart-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 2rem;
    align-items: center;
}

.chart-label {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.chart-arrow {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1.5rem;
    align-items: center;
}

.from {
    text-align: right;
    color: var(--text-muted);
}

.to {
    text-align: left;
    color: var(--text-dark);
    font-weight: 600;
}

.arrow-line {
    width: 80px;
    height: 2px;
    background: var(--gradient-warm);
    position: relative;
}

.arrow-line::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid var(--primary-color);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

.chart-conclusion {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--primary-color);
    text-align: center;
    margin-top: 2rem;
    font-style: italic;
}

/* ===========================
   内容创作准则
   =========================== */
.content-principles {
    background: var(--bg-cream);
}

.principles-table {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.principle-row {
    display: grid;
    grid-template-columns: 1.5fr 1.5fr 2fr;
    gap: 2rem;
    padding: 2rem;
    border-bottom: 1px solid var(--bg-light);
    transition: all var(--transition-normal);
}

.principle-row:last-child {
    border-bottom: none;
}

.principle-row:hover {
    background: var(--gradient-soft);
}

.principle-key {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.principle-goal {
    color: var(--text-dark);
    font-weight: 600;
}

.principle-method {
    color: var(--text-light);
}

/* ===========================
   共修社群区
   =========================== */
.community {
    background: var(--bg-light);
}

.community-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin: 4rem 0;
}

.feature {
    text-align: center;
    opacity: 0;
    transform: scale(0.9);
    transition: all var(--transition-slow);
}

.feature.animate {
    opacity: 1;
    transform: scale(1);
}

.feature-visual {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 150px;
}

.pulse-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--gradient-warm);
    position: relative;
    animation: pulse-glow 2s ease-in-out infinite;
}

.pulse-circle::before,
.pulse-circle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    opacity: 0;
    animation: ripple 2s ease-out infinite;
}

.pulse-circle::after {
    animation-delay: 1s;
}

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

@keyframes ripple {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1.8); opacity: 0; }
}

.feature h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.feature p {
    color: var(--text-light);
    line-height: 1.7;
}

.testimonial-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.testimonial {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.testimonial::before {
    content: '"';
    font-family: var(--font-serif);
    font-size: 5rem;
    color: var(--secondary-color);
    opacity: 0.3;
    position: absolute;
    top: -10px;
    left: 20px;
}

.testimonial-text {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    color: var(--primary-color);
    font-weight: 600;
    text-align: right;
}

/* ===========================
   CTA区
   =========================== */
.final-cta {
    background: var(--gradient-warm);
    color: white;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta-content h2 {
    font-family: var(--font-serif);
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.cta-content > p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.cta-buttons .primary-button {
    background: white;
    color: var(--primary-color);
}

.cta-buttons .primary-button:hover {
    background: var(--bg-cream);
}

.cta-buttons .secondary-button {
    border-color: white;
    color: white;
}

.cta-buttons .secondary-button:hover {
    background: white;
    color: var(--primary-color);
}

.cta-note {
    font-size: 0.95rem;
    opacity: 0.8;
    font-style: italic;
}

/* ===========================
   页脚
   =========================== */
.footer {
    background: var(--bg-dark);
    color: var(--bg-cream);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.footer-col p {
    color: rgba(250, 248, 245, 0.8);
    line-height: 1.8;
}

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

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: rgba(250, 248, 245, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--primary-color);
}

.footer-quote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.05rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 165, 116, 0.2);
    color: rgba(250, 248, 245, 0.6);
}

/* ===========================
   动画类
   =========================== */
[data-animate] {
    opacity: 0;
}

[data-animate="fade-up"] {
    transform: translateY(30px);
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate="slide-in"] {
    transform: translateX(-50px);
}

[data-animate="zoom-in"] {
    transform: scale(0.9);
}

[data-animate].animate {
    opacity: 1;
    transform: none;
    transition: all var(--transition-slow) ease-out;
}

/* 延迟动画 */
[data-delay="100"].animate {
    transition-delay: 0.1s;
}

[data-delay="200"].animate {
    transition-delay: 0.2s;
}

[data-delay="300"].animate {
    transition-delay: 0.3s;
}

/* ===========================
   响应式设计
   =========================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .transformation-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .stage {
        grid-template-columns: 100px 1fr;
        gap: 1.5rem;
    }
    
    .stage-number {
        font-size: 4rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: linear-gradient(135deg, rgba(255, 251, 248, 0.97) 0%, rgba(252, 246, 241, 0.97) 100%);
        backdrop-filter: blur(20px);
        flex-direction: column;
        gap: 0;
        padding: 5rem 0 2rem;
        box-shadow: -2px 0 30px rgba(212, 165, 116, 0.15);
        z-index: 998;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        border-left: 1px solid rgba(212, 165, 116, 0.15);
    }
    
    .nav-menu.active {
        display: flex;
        right: 0;
    }
    
    .nav-menu li {
        padding: 0;
    }
    
    .nav-menu a {
        display: block;
        padding: 1.25rem 2rem;
        border-bottom: 1px solid rgba(232, 196, 160, 0.2);
        font-size: 1.05rem;
        transition: all var(--transition-fast);
        color: var(--text-dark);
        position: relative;
    }
    
    .nav-menu a::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 3px;
        height: 0;
        background: var(--gradient-warm);
        transition: height var(--transition-fast);
        border-radius: 0 3px 3px 0;
    }
    
    .nav-menu a:hover {
        background: linear-gradient(90deg, rgba(212, 165, 116, 0.08) 0%, transparent 100%);
        padding-left: 2.5rem;
        color: var(--primary-color);
    }
    
    .nav-menu a:hover::before {
        height: 60%;
    }
    
    /* 菜单遮罩层 - 更柔和的遮罩 */
    .nav-menu::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(212, 165, 116, 0.3) 0%, rgba(232, 196, 160, 0.25) 100%);
        z-index: -1;
        opacity: 0;
        transition: opacity 0.4s ease;
        pointer-events: none;
        backdrop-filter: blur(8px);
    }
    
    .nav-menu.active::before {
        opacity: 1;
        pointer-events: auto;
    }
    
    .mobile-menu-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(8px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-8px);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .value-cards {
        grid-template-columns: 1fr;
    }
    
    .stage {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stage-number {
        font-size: 3rem;
    }
    
    .chart-row {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .chart-arrow {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .from,
    .to {
        text-align: center;
    }
    
    .arrow-line {
        width: 2px;
        height: 50px;
        margin: 0 auto;
    }
    
    .arrow-line::after {
        right: 50%;
        top: auto;
        bottom: -8px;
        transform: translateX(50%) rotate(90deg);
    }
    
    .principle-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .value-card,
    .testimonial {
        padding: 1.5rem;
    }
}

/* ===========================
   测试弹窗样式
   =========================== */
.quiz-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(42, 36, 32, 0.9);
    backdrop-filter: blur(8px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.quiz-container {
    background: linear-gradient(135deg, #faf8f5 0%, #f5f0eb 100%);
    border-radius: 24px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(42, 36, 32, 0.3);
    animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    border-bottom: 1px solid rgba(212, 165, 116, 0.2);
    background: var(--gradient-warm);
    color: white;
}

.quiz-header h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
}

.quiz-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    line-height: 1;
    padding: 0;
}

.quiz-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.quiz-body {
    padding: 2rem;
    max-height: 60vh;
    overflow-y: auto;
    /* 隐藏滚动条 */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}

.quiz-body::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Opera */
}

.quiz-body .card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.quiz-body .card strong {
    font-size: 1.2rem;
    color: var(--text-dark);
    font-family: var(--font-serif);
    display: block;
    margin-bottom: 1rem;
}

.quiz-body .choices {
    display: grid;
    gap: 12px;
    margin-top: 1.5rem;
}

.quiz-body .choice {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: 2px solid rgba(212, 165, 116, 0.2);
    background: rgba(212, 165, 116, 0.05);
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--text-dark);
    font-weight: 500;
}

.quiz-body .choice:hover {
    border-color: var(--primary-color);
    background: rgba(212, 165, 116, 0.1);
    transform: translateX(4px);
}

.quiz-body .choice.selected {
    border-color: var(--primary-color);
    background: var(--gradient-warm);
    color: white;
    box-shadow: var(--shadow-md);
}

.quiz-body .muted {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0.5rem 0;
}

.quiz-body ul {
    margin: 1rem 0 0 1.5rem;
    padding: 0;
}

.quiz-body ul li {
    color: var(--text-light);
    line-height: 2;
    margin-bottom: 0.5rem;
}

.quiz-body h3 {
    font-family: var(--font-serif);
    margin: 0.2rem 0 1rem;
}

.quiz-footer {
    display: flex;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-top: 1px solid rgba(212, 165, 116, 0.2);
    background: var(--bg-light);
}

.quiz-btn {
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.quiz-btn-primary {
    background: var(--gradient-warm);
    color: white;
}

.quiz-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quiz-btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.quiz-btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

/* 结果展示优化 */
.quiz-body .result-card {
    background: linear-gradient(135deg, rgba(212, 165, 116, 0.1) 0%, rgba(232, 196, 160, 0.05) 100%);
    border: 2px solid var(--primary-color);
}

.quiz-body .result-card h3 {
    color: var(--primary-color);
}

/* 响应式 */
@media (max-width: 768px) {
    .quiz-container {
        max-width: 95vw;
        border-radius: 16px;
    }
    
    .quiz-header {
        padding: 1.5rem;
    }
    
    .quiz-header h3 {
        font-size: 1.4rem;
    }
    
    .quiz-body {
        padding: 1.5rem;
    }
    
    .quiz-footer {
        flex-direction: column;
        gap: 1rem;
    }
    
    .quiz-btn {
        width: 100%;
        justify-content: center;
    }
}