/* Z-猫晓黎个人品牌网站 - 样式表 */

/* ===== 变量 ===== */
:root {
    /* 品牌色彩 */
    --color-deep-blue: #1a365d;
    --color-blue-light: #2d4e7d;
    --color-coral: #ff6b6b;
    --color-coral-dark: #e65c5c;
    --color-purple: #6A0DAD;
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-light: rgba(255, 255, 255, 0.8);
    --color-gray-dark: rgba(30, 30, 30, 0.7);
    
    /* 字体 */
    --font-sans: 'Montserrat', 'Noto Sans SC', sans-serif;
    --font-serif: 'Noto Serif SC', serif;
    
    /* 尺寸 */
    --header-height: 100px;
    --container-max-width: 1200px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 27px;
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-default: 0.3s ease;
    --transition-slow: 0.4s ease-out;
    
    /* 阴影 */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.15);
    --shadow-btn: 0 4px 6px rgba(255, 107, 107, 0.2);
    --shadow-btn-hover: 0 6px 12px rgba(255, 107, 107, 0.4);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-white);
    background-color: var(--color-deep-blue);
    overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-default);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}

section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 42px;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--color-gray-light);
    max-width: 600px;
    margin: 0 auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: 18px;
    transition: var(--transition-default);
    text-align: center;
}

.btn-primary {
    background-color: var(--color-coral);
    color: var(--color-white);
    box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
    background-color: var(--color-coral-dark);
    box-shadow: var(--shadow-btn-hover);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: rgba(26, 54, 93, 0.1);
    transform: translateY(-2px);
}

/* ===== 导航区样式 ===== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background-color: rgba(26, 54, 93, 0.85);
    border-top: 1px solid var(--color-coral);
    transition: var(--transition-default);
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo-z {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-white);
    margin-right: 8px;
    transition: var(--transition-default);
}

.logo-name {
    font-size: 24px;
    font-weight: 500;
    color: var(--color-white);
}

.logo:hover .logo-z {
    transform: scale(1.05);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.main-nav ul {
    display: flex;
    gap: 40px;
}

.main-nav a {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-white);
    letter-spacing: 0.1em;
    padding-bottom: 4px;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-deep-blue);
    transition: var(--transition-default);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.main-nav a.active {
    color: var(--color-coral);
}

.main-nav a.active::after {
    background-color: var(--color-coral);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition-default);
}

/* 滚动效果 */
.main-header.scrolled {
    background-color: rgba(26, 54, 93, 1);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* ===== 英雄区样式 ===== */
.hero-section {
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--header-height);
    background: linear-gradient(135deg, var(--color-deep-blue), var(--color-blue-light));
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none"/><rect width="1" height="1" fill="rgba(255,255,255,0.08)" x="30" y="40"/><rect width="1" height="1" fill="rgba(255,255,255,0.08)" x="70" y="60"/><rect width="1" height="1" fill="rgba(255,255,255,0.08)" x="50" y="30"/><rect width="1" height="1" fill="rgba(255,255,255,0.08)" x="20" y="70"/><rect width="1" height="1" fill="rgba(255,255,255,0.08)" x="80" y="20"/></svg>');
    opacity: 0.08;
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 10;
}

.main-title {
    font-size: 72px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-white);
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.2);
    opacity: 0;
    animation: fadeInUp 0.8s forwards 0.3s;
}

.subtitle {
    font-size: 24px;
    line-height: 1.5;
    color: var(--color-gray-light);
    margin-bottom: 40px;
    letter-spacing: 0.01em;
    opacity: 0;
    animation: fadeInUp 0.8s forwards 0.6s;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    opacity: 0;
    animation: fadeInUp 0.8s forwards 0.9s;
}

.hero-visuals {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.shape {
    position: absolute;
    opacity: 0;
    animation: fadeIn 1s forwards 1.2s;
}

.shape-circle-1 {
    top: 20%;
    left: 15%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-coral) 0%, rgba(255, 107, 107, 0) 70%);
}

.shape-line {
    top: 40%;
    left: 30%;
    width: 40%;
    height: 100px;
    transform: rotate(45deg);
    background: linear-gradient(90deg, var(--color-deep-blue) 0%, rgba(26, 54, 93, 0) 100%);
}

.shape-circle-2 {
    bottom: 20%;
    right: 15%;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-purple) 0%, rgba(106, 13, 173, 0) 70%);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    animation: pulse 2s infinite;
}

.arrow-down {
    display: block;
    width: 24px;
    height: 24px;
    border-left: 2px solid var(--color-white);
    border-bottom: 2px solid var(--color-white);
    transform: rotate(-45deg);
    opacity: 0.6;
    transition: var(--transition-default);
}

.arrow-down:hover {
    opacity: 1;
}

/* ===== 专业身份展示区样式 ===== */
.identity-section {
    background-color: var(--color-white);
    color: var(--color-deep-blue);
    padding: 100px 0;
}

.identity-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 60px;
    align-items: center;
}

.personal-intro {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.profile-image {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    border: 4px solid var(--color-white);
    box-shadow: var(--shadow-md);
    background-image: url('../images/profile.jpg');
    background-size: cover;
    background-position: center;
    transition: var(--transition-default);
    margin: 0 auto;
}

.profile-image:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-lg);
}

.identity-tags {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

.tag {
    display: inline-block;
    padding: 12px 20px;
    background-color: rgba(26, 54, 93, 0.7);
    color: var(--color-white);
    font-weight: 500;
    border-radius: var(--border-radius-sm);
}

.tag-designer {
    border-left: 4px solid var(--color-coral);
}

.tag-professor {
    border-left: 4px solid var(--color-purple);
}

.intro-text h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--color-deep-blue);
}

.intro-text p {
    font-size: 18px;
    line-height: 1.6;
    color: #333;
}

.professional-skills {
    position: relative;
    display: grid;
    grid-template-areas:
        "venn radar"
        "tags tags";
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 40px;
}

.venn-diagram {
    grid-area: venn;
    height: 320px;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.radar-chart {
    grid-area: radar;
    height: 320px;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
    transition-delay: 0.2s;
}

.skill-tags {
    grid-area: tags;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
    transition-delay: 0.4s;
}

.skill-tag {
    padding: 8px 16px;
    background-color: rgba(26, 54, 93, 0.1);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-deep-blue);
    transition: var(--transition-default);
}

.skill-tag:hover {
    background-color: var(--color-coral);
    color: var(--color-white);
    transform: scale(1.05);
}

/* 可见时的动画 */
.professional-skills.visible .venn-diagram,
.professional-skills.visible .radar-chart,
.professional-skills.visible .skill-tags {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 作品展示区样式 ===== */
.portfolio-section {
    background-color: #f8f9fa;
    color: var(--color-deep-blue);
    padding: 100px 0;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-deep-blue);
    background-color: transparent;
    transition: var(--transition-default);
    border: 1px solid transparent;
}

.filter-btn:hover {
    border-color: var(--color-coral);
}

.filter-btn.active {
    background-color: var(--color-coral);
    color: var(--color-white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.portfolio-card {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    transition: var(--transition-slow);
    height: 450px;
    display: flex;
    flex-direction: column;
}

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

.card-image {
    height: 220px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
}

.portfolio-card:hover .card-image {
    transform: scale(1.05);
}

.card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--color-deep-blue);
}

.card-content p {
    font-size: 16px;
    line-height: 1.5;
    color: #555;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.card-tags span {
    padding: 4px 12px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    font-size: 14px;
    color: var(--color-deep-blue);
    background-color: rgba(26, 54, 93, 0.1);
}

.view-details {
    margin-top: auto;
    color: var(--color-coral);
    font-weight: 500;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: var(--transition-default);
}

.arrow-right {
    display: inline-block;
    width: 16px;
    height: 16px;
    border-top: 2px solid var(--color-coral);
    border-right: 2px solid var(--color-coral);
    transform: rotate(45deg);
    margin-left: 8px;
    transition: var(--transition-default);
}

.portfolio-card:hover .view-details {
    opacity: 1;
}

.portfolio-card:hover .arrow-right {
    transform: rotate(45deg) translateX(5px);
}

.view-details:hover {
    text-decoration: underline;
}

.load-more {
    display: flex;
    justify-content: center;
}

.load-more-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-default);
}

.load-more-btn::after {
    content: '';
    display: block;
    width: 16px;
    height: 16px;
    border-bottom: 2px solid var(--color-deep-blue);
    border-right: 2px solid var(--color-deep-blue);
    transform: rotate(45deg) translateY(-5px);
}

.load-more-btn:hover {
    background-color: var(--color-coral);
    transform: translateY(-5px);
}

.load-more-btn:hover::after {
    border-color: var(--color-white);
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0% {
        transform: translateX(-50%) translateY(0);
        opacity: 0.6;
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
        opacity: 1;
    }
    100% {
        transform: translateX(-50%) translateY(0);
        opacity: 0.6;
    }
}

/* ===== 响应式样式 ===== */
@media (max-width: 1200px) {
    .main-title {
        font-size: 48px;
    }
    
    .subtitle {
        font-size: 20px;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .identity-grid {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .main-title {
        font-size: 36px;
    }
    
    .subtitle {
        font-size: 18px;
    }
    
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: 0;
        background-color: var(--color-deep-blue);
        overflow: hidden;
        transition: height 0.4s ease-out;
        z-index: 999;
    }
    
    .main-nav.active {
        height: calc(100vh - var(--header-height));
        overflow-y: auto;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
        padding: 20px;
    }
    
    .main-nav li {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }
    
    .main-nav.active li {
        opacity: 1;
        transform: translateY(0);
    }
    
    .main-nav.active li:nth-child(1) { transition-delay: 0.1s; }
    .main-nav.active li:nth-child(2) { transition-delay: 0.15s; }
    .main-nav.active li:nth-child(3) { transition-delay: 0.2s; }
    .main-nav.active li:nth-child(4) { transition-delay: 0.25s; }
    .main-nav.active li:nth-child(5) { transition-delay: 0.3s; }
    
    .main-nav a {
        display: block;
        padding: 15px 0;
        font-size: 18px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    /* 加载动画 */
    .loading-spinner {
        display: inline-block;
        width: 20px;
        height: 20px;
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        border-top-color: var(--color-white);
        animation: spin 1s linear infinite;
        margin-right: 8px;
        vertical-align: middle;
    }
    
    @keyframes spin {
        to { transform: rotate(360deg); }
    }
    
    .btn {
        padding: 14px 28px;
        font-size: 16px;
    }
    
    .logo-z {
        font-size: 36px;
    }
    
    .logo-name {
        font-size: 20px;
    }
    
    .identity-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-image {
        width: 220px;
        height: 220px;
    }
    
    .professional-skills {
        grid-template-areas:
            "radar"
            "venn"
            "tags";
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-section {
        min-height: 600px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-image {
        width: 180px;
        height: 180px;
    }
}

/* ===== 服务介绍区样式 ===== */
.services-section {
    background: linear-gradient(135deg, var(--color-deep-blue), var(--color-blue-light));
    color: var(--color-white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.services-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none"/><path d="M20,50 Q50,20 80,50 T20,50" stroke="rgba(255,255,255,0.05)" fill="none" stroke-width="2"/></svg>');
    opacity: 0.2;
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 80px;
}

.service-card {
    background-color: var(--color-gray-dark);
    border-radius: var(--border-radius-md);
    padding: 40px 30px;
    height: 360px;
    display: flex;
    flex-direction: column;
    transition: var(--transition-default);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
}

.service-ui::before {
    background-color: var(--color-coral);
}

.service-psychology::before {
    background-color: var(--color-purple);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    position: relative;
}

.service-ui .service-icon::before {
    content: '';
    position: absolute;
    width: 40px;
    height: 40px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"></rect><circle cx="8.5" cy="8.5" r="1.5"></circle><polyline points="21 15 16 10 5 21"></polyline></svg>');
    background-repeat: no-repeat;
    background-position: center;
}

.service-psychology .service-icon::before {
    content: '';
    position: absolute;
    width: 40px;
    height: 40px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z"></path><polyline points="3.27 6.96 12 12.01 20.73 6.96"></polyline><line x1="12" y1="22.08" x2="12" y2="12"></line></svg>');
    background-repeat: no-repeat;
    background-position: center;
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    text-align: center;
}

.service-card p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 24px;
    color: var(--color-gray-light);
    text-align: center;
}

.service-features {
    margin-top: auto;
}

.service-features li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    padding-left: 24px;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23ff6b6b" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>');
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

.service-features li:last-child {
    border-bottom: none;
}

/* 服务流程 */
.service-process {
    margin-top: 80px;
    margin-bottom: 80px;
}

.service-process h3 {
    font-size: 28px;
    margin-bottom: 40px;
    text-align: center;
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 40px;
    right: 40px;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.2);
    z-index: 1;
}

.process-step {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 25%;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--color-coral);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    transition: var(--transition-default);
}

.process-step:hover .step-number {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(255, 107, 107, 0.5);
}

.step-content {
    text-align: center;
    max-width: 160px;
}

.step-content h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 14px;
    color: var(--color-gray-light);
    line-height: 1.4;
}

/* 差异化优势 */
.comparison-matrix {
    margin-top: 80px;
}

.comparison-matrix h3 {
    font-size: 28px;
    margin-bottom: 40px;
    text-align: center;
}

.comparison-table {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.comparison-item {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: 30px;
    transition: var(--transition-default);
}

.comparison-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.comparison-item h4 {
    font-size: 22px;
    margin-bottom: 20px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.comparison-item h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-coral);
}

.comparison-item ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.comparison-item li {
    position: relative;
    padding-left: 30px;
    line-height: 1.5;
}

.comparison-item li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23ff6b6b" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>');
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

.comparison-item.highlight {
    background-color: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.comparison-item.highlight h4::after {
    background-color: var(--color-white);
}

/* ===== 联系区域样式 ===== */
.contact-section {
    background-color: var(--color-white);
    color: var(--color-deep-blue);
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 36px;
    margin-bottom: 40px;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(26, 54, 93, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-default);
}

.contact-item:hover .contact-icon {
    background-color: var(--color-coral);
    transform: scale(1.1);
}

.contact-item a {
    color: var(--color-deep-blue);
    font-weight: 500;
}

.contact-item a:hover {
    color: var(--color-coral);
}

.email-icon::before,
.phone-icon::before,
.location-icon::before {
    content: '';
    width: 20px;
    height: 20px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    display: block;
}

.email-icon::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%231a365d" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z"></path><polyline points="22,6 12,13 2,6"></polyline></svg>');
}

.phone-icon::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%231a365d" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z"></path></svg>');
}

.location-icon::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%231a365d" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0 1 18 0z"></path><circle cx="12" cy="10" r="3"></circle></svg>');
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(26, 54, 93, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-default);
}

.social-link:hover {
    background-color: var(--color-coral);
    transform: translateY(-5px);
}

.social-icon {
    width: 24px;
    height: 24px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    display: block;
}

.weibo-icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%231a365d" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M20.9 10.9C20.3 9.1 19.3 7.5 17.9 6.1 16.5 4.7 14.9 3.7 13.1 3.1 11.3 2.5 9.3 2.5 7.5 3.1 5.7 3.7 4.1 4.7 2.7 6.1 1.3 7.5 0.3 9.1 -0.3 10.9 -0.9 12.7 -0.9 14.7 -0.3 16.5 0.3 18.3 1.3 19.9 2.7 21.3 4.1 22.7 5.7 23.7 7.5 24.3 9.3 24.9 11.3 24.9 13.1 24.3 14.9 23.7 16.5 22.7 17.9 21.3 19.3 19.9 20.3 18.3 20.9 16.5 21.5 14.7 21.5 12.7 20.9 10.9Z"></path></svg>');
}

.zhihu-icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%231a365d" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12.2 4h4.2v16h-4.2l-3.6-5.2V20H4.5V4h4.1v5.2L12.2 4Z"></path><path d="M14 8h7v2h-7z"></path></svg>');
}

.behance-icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%231a365d" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1.8 12c0-3.3 2.7-6 6-6 1.8 0 3.4.8 4.5 2"></path><path d="M8.3 18c-3.3 0-6-2.7-6-6"></path><path d="M12.8 12c0 3.3 2.7 6 6 6 1.8 0 3.4-.8 4.5-2"></path><path d="M18.8 6c3.3 0 6 2.7 6 6"></path><path d="M12 9h6"></path><path d="M12 15h6"></path></svg>');
}

/* 表单样式 */
.contact-form-container {
    position: relative;
}

.form-progress {
    margin-bottom: 40px;
}

.progress-bar {
    height: 4px;
    background-color: rgba(26, 54, 93, 0.1);
    border-radius: 2px;
    margin-bottom: 16px;
    position: relative;
    overflow: hidden;
}

.progress-indicator {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: var(--color-coral);
    transition: width 0.3s ease;
    width: 33.33%; /* 初始宽度，表示第一步 */
}

.progress-steps {
    display: flex;
    justify-content: space-between;
}

.progress-steps .step {
    font-size: 14px;
    color: rgba(26, 54, 93, 0.6);
    position: relative;
    transition: var(--transition-default);
}

.progress-steps .step.active {
    color: var(--color-deep-blue);
    font-weight: 600;
}

.contact-form {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    padding: 40px;
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--color-deep-blue);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    height: 54px;
    padding: 0 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    background-color: #f8f9fa;
    font-family: var(--font-sans);
    font-size: 16px;
    color: var(--color-deep-blue);
    transition: var(--transition-default);
}

.form-group textarea {
    height: 150px;
    padding: 16px;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-coral);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.2);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #e74c3c;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input {
    width: 18px;
    height: 18px;
}

.checkbox-label span {
    font-size: 14px;
}

.checkbox-label a {
    color: var(--color-coral);
    text-decoration: underline;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 32px;
}

.form-actions button {
    flex: 1;
}

.form-feedback {
    margin-top: 24px;
    padding: 16px;
    border-radius: var(--border-radius-sm);
    display: none;
}

.form-feedback.success {
    display: block;
    background-color: rgba(46, 204, 113, 0.1);
    color: #2ecc71;
    border: 1px solid #2ecc71;
}

.form-feedback.error {
    display: block;
    background-color: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
    border: 1px solid #e74c3c;
}

/* ===== 页脚样式 ===== */
.main-footer {
    background-color: var(--color-deep-blue);
    color: var(--color-white);
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-logo .logo-z {
    font-size: 36px;
}

.footer-logo .logo-name {
    font-size: 20px;
}

.copyright {
    font-size: 14px;
    color: var(--color-gray-light);
}

/* ===== 响应式样式补充 ===== */
@media (max-width: 1200px) {
    .services-grid {
        gap: 30px;
    }
    
    .service-card {
        height: auto;
        min-height: 320px;
    }
    
    .process-timeline {
        max-width: 700px;
    }
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .process-timeline {
        flex-direction: column;
        align-items: flex-start;
        gap: 40px;
        max-width: 100%;
    }
    
    .process-timeline::before {
        top: 30px;
        left: 30px;
        right: auto;
        bottom: 30px;
        width: 2px;
        height: auto;
    }
    
    .process-step {
        flex-direction: row;
        width: 100%;
        align-items: flex-start;
        gap: 30px;
    }
    
    .step-content {
        text-align: left;
        max-width: none;
    }
    
    .comparison-table {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .contact-form {
        padding: 30px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .service-process h3,
    .comparison-matrix h3 {
        font-size: 24px;
    }
    
    .contact-info h2 {
        font-size: 28px;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .contact-form {
        padding: 20px;
    }
}