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

:root {
    /* 主题颜色 */
    --primary-color: #00ff9d;
    --secondary-color: #1a1a1a;
    --text-color: #ffffff;
    --light-text: #b3b3b3;
    --border-color: #333333;
    --success-color: #00ff9d;
    --error-color: #ff3b30;
    --background-start: #000000;
    --background-end: #1a1a1a;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-start);
    min-height: 100vh;
}

.background-wrapper {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--background-start) 0%, var(--background-end) 100%);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.background-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 255, 157, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 255, 157, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    position: relative;
    z-index: 1;
}

/* 头部样式 */
header {
    padding: 20px 0;
    background: transparent;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.logo-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.site-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(0, 255, 157, 0.3);
}

.site-slogan {
    font-size: 1.5rem;
    color: var(--text-color);
    font-weight: 400;
    position: relative;
    display: inline-block;
    padding-left: 20px;
}

.site-slogan::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background-color: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-color);
}

/* 语言切换器样式 */
.language-switcher {
    position: relative;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    padding: 8px 16px;
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(26, 26, 26, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 0;
    min-width: 120px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    display: none;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.language-switcher:hover .language-dropdown {
    display: block;
}

.lang-option {
    display: block;
    width: 100%;
    padding: 8px 16px;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.lang-option:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
}

/* 主要内容区域 */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px 0;
}

.search-section {
    text-align: center;
    padding: 40px 0;
}

.search-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
}

.search-form input {
    flex: 1;
    padding: 12px 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.search-form input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 255, 157, 0.2);
    outline: none;
}

.search-form button {
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: #000;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.search-form button:hover {
    background-color: #00e68a;
    box-shadow: 0 0 15px rgba(0, 255, 157, 0.3);
}

/* 结果区域样式 */
.result-section {
    padding: 40px 0;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.requirement-tag {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.requirement-tag:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 255, 157, 0.2);
}

/* 反馈区域样式 */
.feedback-section {
    padding: 40px 0;
    max-width: 600px;
    margin: 0 auto;
}

.feedback-form {
    background: rgba(0, 0, 0, 0.8);
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.website-display {
    background: rgba(0, 255, 0, 0.1);
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 15px;
    border: 1px solid rgba(0, 255, 0, 0.3);
    color: #00ff00;
    font-weight: bold;
    text-align: center;
    pointer-events: none;
}

.feedback-form textarea {
    width: 100%;
    height: 100px;
    margin-bottom: 10px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    color: #fff;
    resize: vertical;
}

.feedback-form button {
    background: linear-gradient(45deg, #00ff00, #00cc00);
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.feedback-form button:hover {
    background: linear-gradient(45deg, #00cc00, #00ff00);
    transform: translateY(-2px);
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

/* 反馈链接样式 */
.feedback-link {
    margin-top: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.feedback-link p {
    color: var(--light-text);
    font-size: 0.9rem;
    display: inline-block;
    padding: 8px 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
}

.feedback-link:hover p {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: rgba(0, 255, 157, 0.1);
}

/* 页脚样式 */
footer {
    background: transparent;
    padding: 20px 0;
    text-align: center;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    color: var(--light-text);
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-section,
.feedback-section {
    animation: fadeIn 0.5s ease-out;
}