/* CREA 白皮书 - 美式漫画风格 CSS */

/* =============================================================================
   CSS重置和基础设置
   ============================================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Lato', sans-serif;
    line-height: 1.7;
    color: #212121;
    background-color: #F7F7F7;
    background-image: 
        radial-gradient(circle at 20px 20px, #E0E0E0 2px, transparent 2px),
        radial-gradient(circle at 80px 80px, #E0E0E0 2px, transparent 2px);
    background-size: 100px 100px;
    overflow-x: hidden;
}

/* =============================================================================
   字体层级定义
   ============================================================================= */

h1 {
    font-family: 'Bangers', cursive;
    font-size: clamp(3.5rem, 6vw, 6rem);
    line-height: 1.1;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #212121;
}

h2 {
    font-family: 'Bangers', cursive;
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    line-height: 1.2;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: #212121;
}

h3 {
    font-family: 'Lato', sans-serif;
    font-weight: 900;
    font-size: clamp(1.5rem, 3vw, 1.8rem);
    line-height: 1.4;
    text-transform: uppercase;
    color: #212121;
    margin-bottom: 1rem;
}

h4 {
    font-family: 'Lato', sans-serif;
    font-weight: 700;
    font-size: clamp(1.2rem, 2.5vw, 1.4rem);
    line-height: 1.4;
    color: #212121;
    margin-bottom: 0.8rem;
}

h5 {
    font-family: 'Lato', sans-serif;
    font-weight: 700;
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.4;
    color: #212121;
    margin-bottom: 0.6rem;
}

p {
    font-size: clamp(1rem, 2vw, 1.1rem);
    margin-bottom: 1.2rem;
    color: #212121;
}

/* =============================================================================
   导航栏样式
   ============================================================================= */

.comic-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #0077B6 0%, #0096C7 100%);
    border-bottom: 4px solid #212121;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.nav-logo-link {
    text-decoration: none;
    transition: transform 0.3s ease;
}

.nav-logo-link:hover {
    transform: scale(1.05);
}

.logo-img {
    width: 50px;
    height: 50px;
    border: 3px solid #212121;
    border-radius: 50%;
    box-shadow: 3px 3px 0px #212121;
    transition: transform 0.3s ease;
    background-color: white;
    padding: 2px;
}

.logo-img:hover {
    transform: rotate(360deg) scale(1.1);
}

.logo-text {
    font-family: 'Bangers', cursive;
    font-size: 2rem;
    color: #FFC300;
    text-shadow: 2px 2px 0px #212121;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-family: 'Lato', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: #F7F7F7;
    text-decoration: none;
    text-transform: uppercase;
    padding: 0.6rem 1.2rem;
    border: 2px solid transparent;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #212121;
    background-color: #FFC300;
    border-color: #212121;
    box-shadow: 3px 3px 0px #212121;
    transform: translate(-2px, -2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #FFC300;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* =============================================================================
   英雄区域样式
   ============================================================================= */

.hero-section {
    margin-top: 90px;
    padding: 4rem 0;
    background: linear-gradient(135deg, #D90429 0%, #EF233C 100%);
    border-bottom: 6px solid #212121;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 30% 40%, rgba(255, 195, 0, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(0, 119, 182, 0.3) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.title-explosion {
    position: relative;
    text-align: center;
}

.hero-title {
    color: #F7F7F7;
    text-shadow: 
        4px 4px 0px #212121,
        8px 8px 0px rgba(0, 0, 0, 0.3);
    margin-bottom: 1rem;
    animation: heroTitlePulse 3s ease-in-out infinite;
}

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

.explosion-effect {
    font-family: 'Bangers', cursive;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: #FFC300;
    text-shadow: 2px 2px 0px #212121;
    position: absolute;
    top: -2rem;
    right: -3rem;
    animation: explosionFloat 2s ease-in-out infinite alternate;
}

@keyframes explosionFloat {
    0% { transform: translate(0, 0) rotate(-5deg); }
    100% { transform: translate(10px, -10px) rotate(5deg); }
}

/* =============================================================================
   内容区域通用样式
   ============================================================================= */

.main-content {
    padding: 2rem 0;
}

.content-section {
    margin-bottom: 4rem;
    position: relative;
}

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

.comic-title-box {
    background: linear-gradient(135deg, #FFC300 0%, #FFD60A 100%);
    border: 4px solid #212121;
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 3rem;
    position: relative;
    box-shadow: 
        6px 6px 0px #212121,
        12px 12px 20px rgba(0, 0, 0, 0.2);
    transform: rotate(-1deg);
    animation: titleBoxFloat 6s ease-in-out infinite;
}

@keyframes titleBoxFloat {
    0%, 100% { transform: rotate(-1deg) translateY(0px); }
    50% { transform: rotate(1deg) translateY(-5px); }
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
    text-shadow: 1px 1px 0px #212121;
    font-weight: 900;
}

.title-decoration {
    font-family: 'Bangers', cursive;
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    color: #D90429;
    text-shadow: 2px 2px 0px #212121;
    text-align: center;
    position: absolute;
    top: -1rem;
    right: 2rem;
    background-color: #F7F7F7;
    padding: 0.5rem 1rem;
    border: 3px solid #212121;
    border-radius: 50%;
    animation: decorationSpin 4s linear infinite;
}

@keyframes decorationSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* =============================================================================
   内容块样式
   ============================================================================= */

.content-block {
    background-color: #F7F7F7;
    border: 3px solid #212121;
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 
        4px 4px 0px #212121,
        8px 8px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    position: relative;
}

.content-block:hover {
    transform: translateY(-5px) rotate(1deg);
    box-shadow: 
        6px 6px 0px #212121,
        12px 12px 20px rgba(0, 0, 0, 0.3);
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.text-content {
    order: 1;
}

.image-content {
    order: 2;
    text-align: center;
}

.section-image {
    width: 100%;
    max-width: 300px;
    height: auto;
    border: 4px solid #212121;
    border-radius: 10px;
    box-shadow: 
        6px 6px 0px #E0E0E0,
        12px 12px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.section-image:hover {
    transform: scale(1.05) rotate(2deg);
}

.image-caption {
    font-family: 'Lato', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    color: #212121;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 1rem;
    background-color: #FFC300;
    padding: 0.5rem 1rem;
    border: 2px solid #212121;
    border-radius: 20px;
    display: inline-block;
}

/* =============================================================================
   子章节样式
   ============================================================================= */

.subsection {
    margin-bottom: 3rem;
}

.subsection-title {
    background: linear-gradient(135deg, #28A745 0%, #34CE57 100%);
    color: #F7F7F7;
    padding: 1rem 2rem;
    border: 3px solid #212121;
    border-radius: 25px;
    text-shadow: 1px 1px 0px #212121;
    margin-bottom: 1.5rem;
    box-shadow: 4px 4px 0px #212121;
    transform: skew(-2deg);
    display: inline-block;
    font-weight: 900;
}

/* =============================================================================
   特殊内容样式
   ============================================================================= */

.formula-box {
    background: linear-gradient(135deg, #0077B6 0%, #0096C7 100%);
    border: 4px solid #212121;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    color: #F7F7F7;
    text-align: center;
}

.formula {
    font-family: 'Bangers', cursive;
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    color: #FFC300;
    text-shadow: 2px 2px 0px #212121;
    margin-top: 1rem;
    letter-spacing: 1px;
}

.pain-points-list {
    display: grid;
    gap: 1rem;
    margin: 2rem 0;
}

.pain-point {
    background-color: #D90429;
    color: #F7F7F7;
    padding: 1.5rem;
    border: 3px solid #212121;
    border-radius: 10px;
    font-weight: 700;
    box-shadow: 4px 4px 0px #212121;
    position: relative;
}

.pain-point::before {
    content: "⚠️";
    position: absolute;
    top: -10px;
    left: -10px;
    background-color: #FFC300;
    border: 2px solid #212121;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.revenue-channels {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.channel {
    background: linear-gradient(135deg, #28A745 0%, #34CE57 100%);
    color: #F7F7F7;
    padding: 1.5rem;
    border: 3px solid #212121;
    border-radius: 15px;
    box-shadow: 4px 4px 0px #212121;
}

.channel h4 {
    color: #FFC300;
    text-shadow: 2px 2px 0px #212121;
    margin-bottom: 0.8rem;
}

.characteristics-grid,
.advantages-list {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

.characteristic,
.advantage {
    background-color: #F7F7F7;
    border: 3px solid #212121;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 4px 4px 0px #E0E0E0;
    transition: transform 0.3s ease;
}

.characteristic:hover,
.advantage:hover {
    transform: translateY(-5px);
    box-shadow: 6px 6px 0px #E0E0E0;
}

.characteristic h4,
.advantage h4 {
    color: #D90429;
    border-bottom: 2px solid #D90429;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

/* =============================================================================
   问题和机制网格样式
   ============================================================================= */

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.problem-block {
    background: linear-gradient(135deg, #D90429 0%, #EF233C 100%);
    color: #F7F7F7;
    padding: 2rem;
    border: 4px solid #212121;
    border-radius: 15px;
    box-shadow: 
        6px 6px 0px #212121,
        12px 12px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.problem-block:hover {
    transform: translateY(-10px) rotate(2deg);
}

.problem-block h4 {
    color: #FFC300;
    text-shadow: 2px 2px 0px #212121;
    font-family: 'Bangers', cursive;
    font-size: 1.4rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.mechanisms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.mechanism-block {
    background: linear-gradient(135deg, #0077B6 0%, #0096C7 100%);
    color: #F7F7F7;
    padding: 2rem;
    border: 4px solid #212121;
    border-radius: 15px;
    box-shadow: 
        6px 6px 0px #212121,
        12px 12px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.mechanism-block:hover {
    transform: translateY(-8px) scale(1.02);
}

.mechanism-block h4 {
    color: #FFC300;
    text-shadow: 2px 2px 0px #212121;
    font-family: 'Bangers', cursive;
    font-size: 1.4rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.pathway {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    border-left: 4px solid #FFC300;
}

/* =============================================================================
   参与者样式
   ============================================================================= */

.participants-grid {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

.participant-block {
    background: linear-gradient(135deg, #28A745 0%, #34CE57 100%);
    color: #F7F7F7;
    padding: 2rem;
    border: 4px solid #212121;
    border-radius: 15px;
    box-shadow: 
        6px 6px 0px #212121,
        12px 12px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.participant-block:hover {
    transform: translateY(-5px) rotate(1deg);
}

.participant-block h3 {
    color: #FFC300;
    text-shadow: 2px 2px 0px #212121;
    font-family: 'Bangers', cursive;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.participant-block ul {
    list-style: none;
    padding-left: 0;
}

.participant-block li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
}

.participant-block li::before {
    content: "🚀";
    position: absolute;
    left: 0;
    top: 0;
}

/* Participant 角色配图样式 */
.participant-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: start;
}

.participant-text {
    order: 1;
}

.participant-image {
    order: 2;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.role-image {
    width: 100%;
    max-width: 200px;
    height: auto;
    border: 4px solid #212121;
    border-radius: 15px;
    box-shadow: 
        6px 6px 0px rgba(255, 195, 0, 0.3),
        12px 12px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    background-color: #F7F7F7;
}

.role-image:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 
        8px 8px 0px rgba(255, 195, 0, 0.5),
        16px 16px 25px rgba(0, 0, 0, 0.4);
}

/* Platform Mechanism 居中样式 */
.platform-centered {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.platform-centered .subsection {
    margin-bottom: 3rem;
    background: linear-gradient(135deg, #F7F7F7 0%, #FFFFFF 100%);
    border: 4px solid #212121;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 
        6px 6px 0px #212121,
        12px 12px 25px rgba(0, 0, 0, 0.2);
    transform: rotate(0.5deg);
    transition: transform 0.3s ease;
}

.platform-centered .subsection:nth-child(even) {
    transform: rotate(-0.5deg);
}

.platform-centered .subsection:hover {
    transform: translateY(-3px) rotate(0deg);
}

.platform-centered .subsection-title {
    display: block;
    margin: 0 auto 1.5rem auto;
    text-align: center;
    font-family: 'Bangers', cursive;
    font-size: 1.8rem;
    font-weight: 900;
    text-transform: uppercase;
    text-shadow: 1px 1px 0px #212121;
    padding: 1rem;
    background: linear-gradient(135deg, #212121 0%, #404040 100%);
    border: 3px solid #FFC300;
    border-radius: 15px;
    color: #FFC300;
    margin-bottom: 2rem;
    transform: skew(-2deg);
    transition: all 0.3s ease;
}

.platform-centered .subsection-title:hover {
    transform: skew(0deg) scale(1.02);
    text-shadow: 1px 1px 2px #212121;
}

.platform-centered .content-block {
    text-align: center;
    margin: 0 auto;
}

.platform-centered p {
    text-align: left;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.platform-centered h4 {
    text-align: center;
    color: #0077B6;
    font-family: 'Bangers', cursive;
    font-size: 1.4rem;
    text-transform: uppercase;
    margin: 2rem 0 1rem 0;
    text-shadow: 1px 1px 0px #212121;
}

.platform-centered .token-model,
.platform-centered .max-features,
.platform-centered .algorithm-steps,
.platform-centered .etf-features {
    text-align: left;
    margin: 2rem auto;
}

/* =============================================================================
   优势区域样式
   ============================================================================= */

.advantages-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 2rem 0;
}

.creator-advantages,
.investor-advantages {
    background-color: #F7F7F7;
    border: 4px solid #212121;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 
        6px 6px 0px #212121,
        12px 12px 20px rgba(0, 0, 0, 0.2);
}

.creator-advantages h4,
.investor-advantages h4 {
    color: #D90429;
    font-family: 'Bangers', cursive;
    font-size: 1.6rem;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: linear-gradient(135deg, #FFC300 0%, #FFD60A 100%);
    border: 3px solid #212121;
    border-radius: 15px;
    text-shadow: 2px 2px 0px #212121;
}

.advantage-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: rgba(255, 195, 0, 0.1);
    border-left: 5px solid #FFC300;
    border-radius: 8px;
}

.advantage-item h5 {
    color: #0077B6;
    font-weight: 900;
    margin-bottom: 0.8rem;
}

/* =============================================================================
   平台机制样式
   ============================================================================= */

.max-features {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature {
    background-color: rgba(0, 119, 182, 0.1);
    padding: 1.5rem;
    border: 3px solid #0077B6;
    border-radius: 10px;
    border-left: 8px solid #0077B6;
}

.feature h4 {
    color: #0077B6;
    margin-bottom: 1rem;
}

.token-model {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.token-type {
    background: linear-gradient(135deg, #FFC300 0%, #FFD60A 100%);
    padding: 2rem;
    border: 4px solid #212121;
    border-radius: 15px;
    box-shadow: 4px 4px 0px #212121;
}

.token-type h5 {
    color: #212121;
    font-family: 'Bangers', cursive;
    font-size: 1.3rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.algorithm-steps {
    display: grid;
    gap: 1rem;
    margin: 2rem 0;
}

.step {
    background-color: #28A745;
    color: #F7F7F7;
    padding: 1.5rem;
    border: 3px solid #212121;
    border-radius: 10px;
    font-weight: 700;
    box-shadow: 4px 4px 0px #212121;
    position: relative;
}

.step::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    top: -15px;
    left: -15px;
    background-color: #FFC300;
    color: #212121;
    border: 3px solid #212121;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-family: 'Bangers', cursive;
    font-size: 1.2rem;
}

.algorithm-steps {
    counter-reset: step-counter;
}

.etf-features {
    display: grid;
    gap: 1rem;
    margin: 2rem 0;
}

.etf-feature {
    background-color: rgba(40, 167, 69, 0.1);
    padding: 1rem;
    border: 2px solid #28A745;
    border-radius: 8px;
    border-left: 6px solid #28A745;
    font-weight: 700;
}

/* =============================================================================
   合作伙伴样式
   ============================================================================= */

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.partner-block {
    background: linear-gradient(135deg, #0077B6 0%, #0096C7 100%);
    color: #F7F7F7;
    padding: 2rem;
    border: 4px solid #212121;
    border-radius: 15px;
    box-shadow: 
        6px 6px 0px #212121,
        12px 12px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.partner-block:hover {
    transform: translateY(-8px) scale(1.02);
}

.partner-block h3 {
    color: #FFC300;
    text-shadow: 2px 2px 0px #212121;
    font-family: 'Bangers', cursive;
    font-size: 1.6rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.partner-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border: 2px solid rgba(255, 195, 0, 0.3);
}

.partner-logo-img {
    width: clamp(80px, 15vw, 120px);
    height: clamp(60px, 12vw, 90px);
    object-fit: contain;
    border: 3px solid #FFC300;
    border-radius: 8px;
    box-shadow: 
        3px 3px 0px #212121,
        6px 6px 15px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.95);
    padding: 0.5rem;
    transition: all 0.3s ease;
}

.partner-logo-img:hover {
    transform: scale(1.1) rotate(2deg);
    box-shadow: 
        4px 4px 0px #212121,
        8px 8px 20px rgba(0, 0, 0, 0.3);
}

/* =============================================================================
   路线图样式
   ============================================================================= */

.roadmap-timeline {
    display: grid;
    gap: 3rem;
    margin: 3rem 0;
    position: relative;
}

.roadmap-timeline::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 6px;
    background: linear-gradient(to bottom, #D90429, #FFC300, #28A745);
    border: 2px solid #212121;
    border-radius: 3px;
    transform: translateX(-50%);
}

.phase-block {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 2rem;
}

.phase-block:nth-child(even) .phase-content {
    order: 1;
}

.phase-block:nth-child(even) .phase-number {
    order: 2;
}

.phase-block:nth-child(odd) .phase-content {
    order: 3;
}

.phase-block:nth-child(odd) .phase-number {
    order: 2;
}

.phase-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #D90429 0%, #EF233C 100%);
    color: #F7F7F7;
    border: 4px solid #212121;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Bangers', cursive;
    font-size: 1.2rem;
    text-shadow: 2px 2px 0px #212121;
    box-shadow: 
        4px 4px 0px #212121,
        8px 8px 15px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

.phase-content {
    background: linear-gradient(135deg, #28A745 0%, #34CE57 100%);
    color: #F7F7F7;
    padding: 2rem;
    border: 4px solid #212121;
    border-radius: 15px;
    box-shadow: 
        6px 6px 0px #212121,
        12px 12px 20px rgba(0, 0, 0, 0.3);
}

.phase-content h3 {
    color: #FFC300;
    text-shadow: 2px 2px 0px #212121;
    font-family: 'Bangers', cursive;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.phase-content ul {
    list-style: none;
    padding-left: 0;
}

.phase-content li {
    margin-bottom: 0.8rem;
    padding-left: 2rem;
    position: relative;
}

.phase-content li::before {
    content: "⭐";
    position: absolute;
    left: 0;
    top: 0;
}

/* =============================================================================
   漫画分隔符样式
   ============================================================================= */

.comic-divider {
    text-align: center;
    margin: 4rem 0;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 2rem;
    overflow: visible;
}

.zigzag-divider,
.star-divider,
.lightning-divider,
.explosion-divider,
.wavy-divider {
    width: 100%;
    max-width: 500px;
    height: auto;
    filter: drop-shadow(2px 2px 0px #212121);
    margin: 0 auto;
}

/* =============================================================================
   特殊区域样式
   ============================================================================= */

.coming-soon-box {
    background: linear-gradient(135deg, #FFC300 0%, #FFD60A 100%);
    border: 4px solid #212121;
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    box-shadow: 
        8px 8px 0px #212121,
        16px 16px 25px rgba(0, 0, 0, 0.2);
    animation: comingSoonPulse 3s ease-in-out infinite;
}

@keyframes comingSoonPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.coming-soon-box h3 {
    font-family: 'Bangers', cursive;
    font-size: 2.5rem;
    color: #D90429;
    text-shadow: 3px 3px 0px #212121;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.diagram-placeholder {
    text-align: center;
    padding: 3rem;
    background-color: #E0E0E0;
    border: 4px solid #212121;
    border-radius: 15px;
    margin: 2rem 0;
}

.mechanism-diagram {
    width: 100%;
    max-width: 600px;
    height: auto;
    border: 4px solid #212121;
    border-radius: 15px;
    box-shadow: 
        6px 6px 0px #E0E0E0,
        12px 12px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    margin: 0 auto;
    display: block;
}

.mechanism-diagram:hover {
    transform: scale(1.03) rotate(1deg);
}

.mechanism-diagram-container {
    text-align: center;
    margin: 2rem 0;
}

.architecture-diagram {
    width: 100%;
    max-width: 600px;
    height: auto;
    border: 4px solid #212121;
    border-radius: 15px;
    box-shadow: 
        6px 6px 0px #E0E0E0,
        12px 12px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    margin: 0 auto;
    display: block;
}

.architecture-diagram:hover {
    transform: scale(1.03) rotate(1deg);
}

.architecture-diagram-container {
    text-align: center;
    margin: 2rem 0;
}

.diagram-description {
    background: linear-gradient(135deg, #28A745 0%, #34CE57 100%);
    color: #F7F7F7;
    padding: 1.5rem;
    border: 3px solid #212121;
    border-radius: 15px;
    margin-top: 2rem;
    font-weight: 600;
    box-shadow: 4px 4px 0px #212121;
}

.architecture-note {
    font-family: 'Bangers', cursive;
    font-size: 1.5rem;
    color: #212121;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Highlighted first sentence style */
.highlight-first-sentence {
    background: linear-gradient(135deg, #D90429 0%, #EF233C 100%);
    color: #F7F7F7;
    padding: 1.2rem 2rem;
    border: 4px solid #212121;
    border-radius: 15px;
    font-weight: 700;
    font-size: clamp(1.1rem, 2.2vw, 1.3rem);
    text-shadow: 2px 2px 0px #212121;
    box-shadow: 
        6px 6px 0px #FFC300,
        12px 12px 20px rgba(0, 0, 0, 0.3);
    transform: rotate(-1deg);
    display: inline-block;
    margin-bottom: 1.5rem;
    animation: highlightPulse 4s ease-in-out infinite;
}

@keyframes highlightPulse {
    0%, 100% { transform: rotate(-1deg) scale(1); }
    50% { transform: rotate(1deg) scale(1.02); }
}

/* =============================================================================
   页脚样式
   ============================================================================= */

.comic-footer {
    background: linear-gradient(135deg, #212121 0%, #1a1a1a 100%);
    color: #F7F7F7;
    padding: 4rem 0 2rem;
    border-top: 6px solid #FFC300;
    margin-top: 4rem;
    position: relative;
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

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

.footer-logo-img {
    width: 60px;
    height: 60px;
    border: 3px solid #FFC300;
    border-radius: 50%;
    box-shadow: 3px 3px 0px #FFC300;
    transition: transform 0.3s ease;
    background-color: white;
    padding: 3px;
}

.footer-logo-img:hover {
    transform: rotate(360deg) scale(1.1);
}

.footer-logo-text {
    font-family: 'Bangers', cursive;
    font-size: 2.5rem;
    color: #FFC300;
    text-shadow: 2px 2px 0px #212121;
    letter-spacing: 2px;
}

.footer-info {
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1rem;
}

.copyright {
    font-family: 'Lato', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: #E0E0E0;
    margin: 0;
}

.twitter-link {
    display: inline-block;
    padding: 8px;
    border-radius: 50%;
    background-color: #1DA1F2;
    transition: all 0.3s ease;
    border: 2px solid #212121;
    box-shadow: 3px 3px 0px #212121;
}

.twitter-link:hover {
    transform: translateY(-2px) scale(1.1);
    box-shadow: 5px 5px 0px #212121;
    background-color: #0d8bd9;
}

.twitter-icon {
    width: 24px;
    height: 24px;
    display: block;
    filter: brightness(0) invert(1);
}

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

@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .image-content {
        order: 1;
    }
    
    .text-content {
        order: 2;
    }
    
    .advantages-section {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .token-model {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .roadmap-timeline::before {
        left: 30px;
    }
    
    .phase-block {
        grid-template-columns: auto 1fr;
        gap: 1.5rem;
    }
    
    .phase-block .phase-content {
        order: 2;
    }
    
    .phase-block .phase-number {
        order: 1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 90px;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, #0077B6 0%, #0096C7 100%);
        border-bottom: 4px solid #212121;
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .section-container {
        padding: 0 1rem;
    }
    
    .hero-container {
        padding: 0 1rem;
    }
    
    .content-block {
        padding: 1.5rem;
    }
    
    .problems-grid,
    .mechanisms-grid,
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    /* Participant 响应式样式 */
    .participant-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .participant-text {
        order: 1;
    }
    
    .participant-image {
        order: 2;
        margin-top: 1rem;
    }
    
    .role-image {
        max-width: 150px;
    }
    
    /* Platform Mechanism 响应式样式 */
    .platform-centered {
        max-width: 100%;
        padding: 0 1rem;
    }
    
    .platform-centered .subsection {
        transform: rotate(0deg);
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .platform-centered .subsection:nth-child(even) {
        transform: rotate(0deg);
    }
    
    .platform-centered .token-model {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .phase-block {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .roadmap-timeline::before {
        display: none;
    }
    
    /* Footer responsive styles */
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .footer-info {
        text-align: center;
        align-items: center;
    }
    
    /* Comic divider responsive styles */
    .comic-divider {
        padding: 0 1rem;
        margin: 3rem 0;
    }
    
    .star-divider {
        max-width: 90%;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }
    
    .hero-section {
        padding: 2rem 0;
    }
    
    .comic-title-box {
        padding: 1.5rem;
        transform: rotate(0deg);
    }
    
    .content-block {
        padding: 1rem;
    }
    
    .explosion-effect {
        display: none;
    }
    
    .title-decoration {
        position: static;
        margin-top: 1rem;
        display: inline-block;
    }
    
    .architecture-diagram {
        max-width: 100%;
        margin: 1rem 0;
    }
    
    .mechanism-diagram {
        max-width: 100%;
        margin: 1rem 0;
    }
    
    .diagram-description {
        padding: 1rem;
        margin-top: 1rem;
    }
    
    /* Participant 小屏幕优化 */
    .role-image {
        max-width: 120px;
    }
    
    .participant-image {
        margin-top: 0.5rem;
    }
    
    /* Footer small screen styles */
    .footer-logo-text {
        font-size: 2rem;
    }
    
    .footer-logo-img {
        width: 50px;
        height: 50px;
    }
    
    .copyright {
        font-size: 1rem;
    }
    
    /* Comic divider responsive styles */
    .comic-divider {
        padding: 0 0.5rem;
        margin: 2rem 0;
    }
    
    .star-divider {
        max-width: 95%;
    }
}

/* =============================================================================
   滚动动画
   ============================================================================= */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* =============================================================================
   加载动画
   ============================================================================= */

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-slide-up {
    animation: slideInUp 0.6s ease forwards;
}

/* =============================================================================
   实用类
   ============================================================================= */

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

.text-bold {
    font-weight: 700;
}

.text-uppercase {
    text-transform: uppercase;
}

.margin-bottom-large {
    margin-bottom: 3rem;
}

.margin-bottom-medium {
    margin-bottom: 2rem;
}

.margin-bottom-small {
    margin-bottom: 1rem;
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* =============================================================================
   可访问性改进
   ============================================================================= */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 焦点状态 */
a:focus,
button:focus,
.nav-link:focus {
    outline: 3px dashed #0077B6;
    outline-offset: 2px;
}

/* =============================================================================
   打印样式
   ============================================================================= */

/* =============================================================================
   悬浮返回主页按钮
   ============================================================================= */

.floating-home-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #D90429 0%, #EF233C 100%);
    border: 4px solid #212121;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    z-index: 1000;
    box-shadow: 
        4px 4px 0px #212121,
        8px 8px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    animation: floatingBounce 3s ease-in-out infinite;
}

.floating-home-btn:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 
        6px 6px 0px #212121,
        12px 12px 20px rgba(0, 0, 0, 0.4);
    background: linear-gradient(135deg, #EF233C 0%, #D90429 100%);
}

.home-icon {
    width: 30px;
    height: 30px;
    color: #FFC300;
    filter: drop-shadow(2px 2px 0px #212121);
}

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

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

/* 响应式调整 */
@media (max-width: 768px) {
    .floating-home-btn {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
    
    .home-icon {
        width: 24px;
        height: 24px;
    }
}

@media print {
    .comic-nav,
    .hamburger,
    .comic-footer,
    .floating-home-btn {
        display: none;
    }
    
    .hero-section {
        margin-top: 0;
    }
    
    .content-block {
        box-shadow: none;
        border: 2px solid #212121;
    }
    
    .section-image {
        max-width: 200px;
    }
    
    .architecture-diagram {
        max-width: 300px;
        box-shadow: none;
        border: 3px solid #212121;
    }
    
    .mechanism-diagram {
        max-width: 300px;
        box-shadow: none;
        border: 3px solid #212121;
    }
    
    body {
        background: white;
        color: black;
    }
}