/* 基础样式 */
:root {
    --primary-color: #4B7BEC;
    --secondary-color: #3A6BD9;
    --text-color: #303235;
    --light-text: #f8f9fa;
    --background-color: #ffffff;
    --dark-background: #171717;
    --accent-color: #6B95F0;
    --gray-color: #f8f9fc;
    --border-color: #e9e9e9;
    --card-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    --transition: all 0.3s ease;
    --font-primary: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
}

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

/* 确保所有文本元素没有阴影 */
h1, h2, h3, h4, h5, h6, p, span, a, li, label, input, textarea, button {
    text-shadow: none !important;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 50px;
    text-align: center;
    position: relative;
    font-weight: 700;
    text-shadow: none;
}

.section-title:after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin: 20px auto 0;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(75, 123, 236, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.btn-contact {
    background: var(--primary-color);
    color: white !important;
    padding: 8px 20px;
    border-radius: 30px;
}

.btn-contact:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--secondary-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
    background: url('../images/domain-hero-bg.svg') center/cover no-repeat, linear-gradient(135deg, #2B4B9E 0%, #4B7BEC 100%);
    color: var(--light-text);
}

.hero .container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: none;
    max-width: 800px;
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    max-width: 700px;
    text-shadow: none;
}

.hero-buttons {
    margin-bottom: 50px;
    display: flex;
    gap: 20px;
    z-index: 2;
    position: relative;
}

.hero-buttons .btn {
    margin-right: 15px;
    position: relative;
    z-index: 2;
}

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

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

.hero .domain-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 30px;
    opacity: 0.2;
    position: relative;
    z-index: 1;
    pointer-events: none;
    max-width: 800px;
}

/* 理念部分样式 */
.philosophy-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.philosophy-text {
    flex: 1;
}

.philosophy-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
    text-shadow: none;
}

.philosophy-visual {
    flex: 1;
    min-height: 400px;
    position: relative;
}

.animated-graph {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

/* 投资优势样式 */
.advantages {
    background: var(--gray-color);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-card {
    background: var(--background-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(75, 123, 236, 0.1);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.advantage-icon i {
    font-size: 1.8rem;
    color: white;
}

.advantage-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
    text-shadow: none;
}

/* 技术部分样式 */
.technology-showcase {
    padding: 60px;
    position: relative;
    overflow: hidden;
}

.tech-card {
    background: transparent;
    padding: 40px;
    text-align: center;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.tech-card h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.tech-card p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: 30px;
}

.coming-soon-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 5px 15px;
    background: var(--accent-color);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.tech-visual {
    width: 100%;
    height: 300px;
    margin-top: 30px;
}

.platform-preview {
    width: 100%;
    height: 100%;
    background: var(--secondary-color);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.platform-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(14, 16, 47, 0.8), rgba(0, 200, 255, 0.2));
    display: flex;
    justify-content: center;
    align-items: center;
}

.platform-screen:before {
    content: '';
    position: absolute;
    width: 80%;
    height: 80%;
    background: url('../images/platform-mockup.svg') center/contain no-repeat;
    opacity: 0.2;
}

/* 投资组合和团队部分的共用样式 */
.coming-soon-container {
    text-align: center;
    padding: 40px 0;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
}

.coming-soon {
    margin-bottom: 30px;
}

.coming-soon-text {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-color);
    text-shadow: none;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--gray-color);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 10px;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 1s ease;
}

.newsletter-signup {
    margin-top: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

.newsletter-signup h3 {
    margin-bottom: 20px;
    text-shadow: none;
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 20px;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    outline: none;
    font-size: 1rem;
}

.newsletter-form input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

/* 联系我们部分样式 */
.contact {
    background: var(--gray-color);
}

.contact-content {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.contact-text {
    flex: 1;
}

.contact-text p {
    margin-bottom: 30px;
    font-size: 1.1rem;
    text-shadow: none;
}

.contact-info {
    margin-top: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.contact-item i {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-right: 15px;
}

.contact-form-container {
    flex: 1;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(75, 123, 236, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(75, 123, 236, 0.1);
}

/* 页脚样式 */
.footer {
    background: var(--dark-background);
    color: var(--light-text);
    padding: 80px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 50px;
}

.footer-logo a {
    font-size: 1.8rem;
    font-weight: 700;
}

.footer-logo-img {
    filter: brightness(1.2) contrast(0.9);
}

.footer-logo p {
    margin-top: 10px;
    opacity: 0.8;
    text-shadow: none;
}

.footer-links ul {
    display: flex;
    flex-wrap: wrap;
}

.footer-links ul li {
    margin-left: 30px;
    margin-bottom: 10px;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom a {
    color: var(--accent-color);
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* 动画效果 */
@keyframes progress {
    from { width: 0; }
    to { width: 70%; }
}

.reveal-text {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-text.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 鼠标跟随效果 */
.cursor-follower {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.1s ease;
}

.cursor-follower.active {
    opacity: 0.5;
    transform: translate(-50%, -50%) scale(1);
}

.cursor-follower.hover {
    transform: translate(-50%, -50%) scale(1.5);
    background: rgba(124, 58, 237, 0.1);
    border-width: 1px;
}

/* 响应式设计 */
@media screen and (max-width: 991px) {
    .section-padding {
        padding: 80px 0;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .philosophy-content {
        flex-direction: column;
        gap: 40px;
    }

    .contact-content {
        flex-direction: column;
    }
}

@media screen and (max-width: 768px) {
    .header .container {
        height: 70px;
    }

    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
    }

    .main-nav ul li {
        margin: 10px 0;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero .subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons .btn {
        display: block;
        margin-bottom: 15px;
        width: 100%;
        text-align: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form button {
        width: 100%;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
    }

    .footer-links ul {
        justify-content: center;
    }

    .footer-links ul li {
        margin: 0 15px 10px;
    }

    .lang-switcher {
        margin-left: 0;
        margin-top: 15px;
    }
    
    .main-nav .lang-switcher {
        margin-top: 20px;
    }
    
    .lang-current {
        justify-content: center;
    }

    .desktop-lang {
        display: none;
    }
    
    .mobile-lang {
        display: block;
    }
}

@media screen and (max-width: 480px) {
    .section-padding {
        padding: 60px 0;
    }

    .tech-card,
    .coming-soon-container,
    .contact-form {
        padding: 30px 20px;
    }
}

/* 语言切换器样式 */
.lang-switcher {
    position: relative;
    margin-left: 20px;
    z-index: 1000;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--light-text);
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    z-index: 1000;
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lang-toggle span {
    opacity: 0.7;
    pointer-events: none;
}

.lang-toggle span.active {
    opacity: 1;
}

.header.scrolled .lang-toggle {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
}

.header.scrolled .lang-toggle:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* 移动端和桌面端语言切换器控制 */
.mobile-lang {
    display: none;
}

@media screen and (max-width: 768px) {
    .desktop-lang {
        display: none;
    }
    
    .mobile-lang {
        display: block;
    }
}

.lang-current {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 4px;
    background: rgba(124, 58, 237, 0.1);
    color: var(--secondary-color);
    font-weight: 500;
    transition: var(--transition);
}

.lang-current:hover {
    background: rgba(124, 58, 237, 0.2);
}

.lang-current i {
    margin-left: 5px;
    font-size: 0.8rem;
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 4px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 5px 0;
    margin-top: 5px;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 100;
}

.lang-switcher:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    padding: 8px 15px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.lang-option:hover {
    background: var(--gray-color);
}

.lang-option.active {
    background: rgba(124, 58, 237, 0.1);
    color: var(--primary-color);
    font-weight: 500;
}

.lang-option.active::after {
    content: '✓';
    margin-left: 5px;
    font-size: 0.8rem;
}

/* Simple Claude-style sections */
.simple-section-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem 1rem;
    background-color: transparent;
    box-shadow: none;
}

.simple-status {
    margin-bottom: 1.5rem;
}

.status-badge {
    display: inline-block;
    padding: 5px 15px;
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.simple-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.simple-newsletter {
    padding: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
    background-color: transparent;
    box-shadow: none;
}

.simple-newsletter h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .simple-section-content {
        padding: 1.5rem 1rem;
    }
    
    .simple-description {
        font-size: 1rem;
    }
}

/* Header样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    transition: var(--transition);
}

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

.header .logo img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.main-nav {
    display: flex;
    align-items: center;
}

.main-nav ul {
    display: flex;
    gap: 30px;
    margin-right: 20px;
}

.main-nav ul li a {
    font-weight: 500;
    transition: var(--transition);
    color: var(--light-text);
}

.main-nav ul li a:hover {
    color: var(--primary-color);
    opacity: 0.8;
}

.header.scrolled {
    background: var(--background-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header.scrolled .logo img {
    filter: none;
}

.header.scrolled .main-nav ul li a {
    color: var(--text-color);
}

.header.scrolled .main-nav ul li a:hover {
    color: var(--primary-color);
}

.header.scrolled .btn-contact {
    background: var(--primary-color);
    color: white !important;
}

.header.scrolled .btn-contact:hover {
    background: var(--secondary-color);
}