/* ===== 设计系统变量 ===== */
:root {
    /* 色彩体系 */
    --chaos-pink: #FF00FF;
    --chaos-green: #00FF00;
    --chaos-yellow: #FFFF00;
    --chaos-blue: #0000FF;
    --ink: #0D0D0D;
    --paper: #FFFDF2;
    
    /* 动效参数 */
    --jitter-amount: 5deg;
    --saturate: 150%;
    
    /* 字体体系 */
    --font-loud: 'Archivo Black', 'Space Grotesk', 'Microsoft YaHei', sans-serif;
    --font-body: 'Space Grotesk', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    
    /* 圆角规范 */
    --radius: 6px;
    
    /* 阴影规范 - 野兽派硬偏移阴影 */
    --shadow-hard: 4px 4px 0 var(--ink);
    --shadow-hard-lg: 6px 6px 0 var(--ink);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink);
    background-color: var(--paper);
    overflow-x: hidden;
}

/* ===== 容器 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== 按钮系统 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-family: var(--font-loud);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border: 3px solid var(--ink);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0ms;
    min-height: 44px;
}

.btn-primary {
    background-color: var(--chaos-pink);
    color: var(--paper);
    box-shadow: var(--shadow-hard);
}

.btn-primary:hover {
    background-color: var(--chaos-yellow);
    color: var(--ink);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--ink);
}

.btn-primary:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--ink);
}

.btn-secondary {
    background-color: var(--paper);
    color: var(--ink);
    box-shadow: var(--shadow-hard);
}

.btn-secondary:hover {
    background-color: var(--chaos-green);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--ink);
}

/* ===== 导航栏 ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--paper);
    border-bottom: 3px solid var(--ink);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--ink);
}

.brand-icon {
    color: var(--ink);
}

.brand-text {
    font-family: var(--font-loud);
    font-size: 20px;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-family: var(--font-loud);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--ink);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--chaos-pink);
    transition: width 0ms;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 3px;
    background-color: var(--ink);
    border-radius: 2px;
}

/* ===== Hero 区域 ===== */
.hero {
    padding: 80px 0 60px;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.eyebrow {
    display: inline-block;
    font-family: var(--font-loud);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--chaos-blue);
    margin-bottom: 16px;
    padding: 6px 12px;
    background-color: var(--chaos-yellow);
    border: 2px solid var(--ink);
    border-radius: var(--radius);
}

.hero-title {
    font-family: var(--font-loud);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    width: 100%;
    height: 400px;
}

.visual-box {
    position: absolute;
    border: 3px solid var(--ink);
    border-radius: var(--radius);
}

.box-1 {
    width: 200px;
    height: 200px;
    background-color: var(--chaos-pink);
    top: 50px;
    left: 50px;
    box-shadow: var(--shadow-hard-lg);
    animation: jitter 3s infinite;
}

.box-2 {
    width: 150px;
    height: 150px;
    background-color: var(--chaos-green);
    top: 150px;
    right: 80px;
    box-shadow: var(--shadow-hard);
    animation: jitter 2.5s infinite 0.5s;
}

.box-3 {
    width: 100px;
    height: 100px;
    background-color: var(--chaos-yellow);
    bottom: 50px;
    left: 120px;
    box-shadow: var(--shadow-hard);
    animation: jitter 2s infinite 1s;
}

.visual-svg {
    position: absolute;
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate 20s linear infinite;
}

@keyframes jitter {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(var(--jitter-amount)); }
    75% { transform: rotate(calc(var(--jitter-amount) * -1)); }
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Marquee */
.marquee {
    margin-top: 60px;
    padding: 16px 0;
    background-color: var(--ink);
    color: var(--paper);
    overflow: hidden;
    white-space: nowrap;
}

.marquee span {
    display: inline-block;
    font-family: var(--font-loud);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: marquee 20s linear infinite;
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ===== 风格信息条 ===== */
.info-chips {
    padding: 32px 0;
    border-bottom: 3px solid var(--ink);
}

.chips-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.chip {
    display: inline-block;
    padding: 8px 16px;
    font-family: var(--font-loud);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    border: 2px solid var(--ink);
    border-radius: var(--radius);
    box-shadow: 3px 3px 0 var(--ink);
}

.chip-pink { background-color: var(--chaos-pink); color: var(--paper); }
.chip-green { background-color: var(--chaos-green); color: var(--ink); }
.chip-yellow { background-color: var(--chaos-yellow); color: var(--ink); }
.chip-blue { background-color: var(--chaos-blue); color: var(--paper); }

/* ===== 关于我们 ===== */
.about {
    padding: 80px 0;
    border-bottom: 3px solid var(--ink);
}

.section-title {
    font-family: var(--font-loud);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 48px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 6px;
    background-color: var(--chaos-pink);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: start;
}

.about-text .lead {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.about-text p {
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat-card {
    padding: 24px;
    background-color: var(--chaos-yellow);
    border: 3px solid var(--ink);
    border-radius: var(--radius);
    box-shadow: var(--shadow-hard);
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-loud);
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ===== 产品/服务 ===== */
.services {
    padding: 80px 0;
    background-color: var(--paper);
    border-bottom: 3px solid var(--ink);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    padding: 32px 24px;
    background-color: var(--paper);
    border: 3px solid var(--ink);
    border-radius: var(--radius);
    box-shadow: var(--shadow-hard);
    transition: all 0ms;
}

.service-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 8px 8px 0 var(--ink);
}

.service-card:nth-child(1) { background-color: #FFE5FF; }
.service-card:nth-child(2) { background-color: #E5FFE5; }
.service-card:nth-child(3) { background-color: #FFFFE5; }

.card-icon {
    margin-bottom: 20px;
    color: var(--ink);
}

.service-card h3 {
    font-family: var(--font-loud);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.service-card p {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.card-link {
    font-family: var(--font-loud);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--ink);
    text-decoration: none;
    border-bottom: 2px solid var(--chaos-pink);
    padding-bottom: 2px;
}

.card-link:hover {
    color: var(--chaos-pink);
}

/* ===== 团队成员 ===== */
.team {
    padding: 80px 0;
    background-color: #F5F5F5;
    border-bottom: 3px solid var(--ink);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.team-card {
    padding: 24px;
    background-color: var(--paper);
    border: 3px solid var(--ink);
    border-radius: var(--radius);
    box-shadow: var(--shadow-hard);
    text-align: center;
    transition: all 0ms;
}

.team-card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--ink);
}

.team-avatar {
    margin-bottom: 16px;
}

.team-card h3 {
    font-family: var(--font-loud);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.team-role {
    display: block;
    font-size: 13px;
    color: var(--chaos-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.team-card p {
    font-size: 14px;
    line-height: 1.5;
}

/* ===== 联系我们 ===== */
.contact {
    padding: 80px 0;
    border-bottom: 3px solid var(--ink);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-family: var(--font-loud);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 16px;
    border: 3px solid var(--ink);
    border-radius: var(--radius);
    background-color: var(--paper);
    transition: all 0ms;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: 4px 4px 0 var(--chaos-pink);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-item h4 {
    font-family: var(--font-loud);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--chaos-blue);
}

.info-item p {
    font-size: 16px;
}

/* ===== 页脚 ===== */
.footer {
    background-color: var(--ink);
    color: var(--paper);
    padding: 48px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-loud);
    font-size: 18px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--paper);
    text-decoration: none;
    font-size: 14px;
    opacity: 0.8;
    transition: opacity 0ms;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--chaos-yellow);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    font-size: 14px;
    opacity: 0.6;
}

.footer-bottom a {
    color: var(--paper);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0ms;
}

.footer-bottom a:hover {
    opacity: 1;
    color: var(--chaos-yellow);
}

/* ===== 响应式适配 ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .navbar .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 48px 0 32px;
    }
    
    .about,
    .services,
    .team,
    .contact {
        padding: 48px 0;
    }
    
    .chips-row {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
    }
    
    .chip {
        flex-shrink: 0;
    }
}

/* ===== 无障碍 ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* 焦点可见 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.btn:focus-visible {
    outline: 3px solid var(--chaos-blue);
    outline-offset: 2px;
}