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

:root {
    --primary: #6b5b95;
    --secondary: #9b8fc2;
    --accent: #e8a4c4;
    --bg: #1a1625;
    --card-bg: #252033;
    --text: #f0eef6;
    --text-muted: #a8a3b8;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    background-image: 
        radial-gradient(ellipse at top, #2d2640 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, #3d3255 0%, transparent 50%);
    -webkit-tap-highlight-color: transparent;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 24px 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    margin-bottom: 32px;
    padding-top: 16px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px 20px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.3s ease;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--secondary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--secondary);
    box-shadow: 0 10px 30px rgba(107, 91, 149, 0.3);
}

.card:active {
    transform: scale(0.98);
}

.card .icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

.card h2 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.card p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.4;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    margin-top: 8px;
}

.badge.hot {
    background: linear-gradient(135deg, #e8a4c4, #c4789a);
    color: #1a1625;
    font-weight: 600;
}

footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 20px 0;
    margin-top: auto;
    border-top: 1px solid #3d3255;
}

/* ====== 移动端优化 ====== */
@media (max-width: 768px) {
    .container {
        padding: 16px 12px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .card {
        flex-direction: row;
        text-align: left;
        padding: 20px;
        min-height: auto;
        gap: 16px;
    }
    
    .card .icon {
        font-size: 2rem;
        margin-bottom: 0;
    }
    
    .card h2 {
        font-size: 1.1rem;
    }
    
    .card p {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.75rem;
    }
    
    .card {
        padding: 16px;
        gap: 12px;
    }
    
    .card .icon {
        font-size: 1.8rem;
    }
}

/* 表单样式 - 移动端优化 */
.form-container {
    max-width: 100%;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px 20px;
    width: 100%;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid #3d3255;
    background: var(--bg);
    color: var(--text);
    font-size: 16px; /* 防止iOS缩放 */
    font-family: inherit;
    -webkit-appearance: none;
    appearance: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(155, 143, 194, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #6b6580;
}

/* 移动端表单优化 */
@media (max-width: 768px) {
    .form-container {
        padding: 20px 16px;
        border-radius: 12px;
    }
    
    .form-group {
        margin-bottom: 18px;
    }
    
    .form-group label {
        font-size: 0.9rem;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 16px 14px;
        font-size: 16px; /* 保持16px防止缩放 */
    }
    
    .form-group textarea {
        min-height: 100px;
    }
}

/* 按钮样式 - 触摸友好 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    min-height: 52px; /* 触摸友好 */
    -webkit-tap-highlight-color: transparent;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(232, 164, 196, 0.4);
}

.btn:active {
    transform: scale(0.98);
}

.btn-secondary {
    background: #3d3255;
}

.btn-full {
    width: 100%;
}

/* 移动端按钮 */
@media (max-width: 768px) {
    .btn {
        padding: 18px 24px;
        min-height: 56px;
        font-size: 1.05rem;
    }
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 8px 0;
}

.back-link:hover {
    color: var(--accent);
}

.back-link::before {
    content: '←';
}

/* 测试题目 */
.quiz-container {
    max-width: 100%;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px 20px;
}

.question {
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid #3d3255;
}

.question h3 {
    margin-bottom: 16px;
    color: var(--accent);
    font-size: 1.05rem;
    line-height: 1.5;
}

.options label {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    margin-bottom: 10px;
    border-radius: 12px;
    background: var(--bg);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    line-height: 1.4;
}

.options label:hover {
    background: #2d2640;
}

.options label:active {
    background: #3d3255;
}

.options input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    flex-shrink: 0;
}

/* 移动端题目选项 */
@media (max-width: 768px) {
    .quiz-container {
        padding: 16px;
        border-radius: 12px;
    }
    
    .options label {
        padding: 16px 14px;
        font-size: 1rem;
    }
}

/* 结果页 */
.result-container {
    text-align: center;
    padding: 32px 20px;
}

.result-type {
    font-size: 2rem;
    margin: 24px 0;
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-desc {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 30px;
    font-size: 1rem;
}

/* 文章列表 */
.article-list {
    max-width: 100%;
    margin: 0 auto;
}

.article-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    text-decoration: none;
    color: var(--text);
    display: block;
    transition: all 0.3s ease;
}

.article-card:hover {
    transform: translateX(4px);
    border-left: 3px solid var(--accent);
}

.article-card:active {
    transform: scale(0.99);
}

.article-card h3 {
    margin-bottom: 8px;
    color: var(--accent);
    font-size: 1.1rem;
}

.article-card .meta {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.article-card .excerpt {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 成员展示 */
.members-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 1000px;
    margin: 0 auto;
}

.member-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.member-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(107, 91, 149, 0.25);
}

.member-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

.member-name {
    font-size: 1rem;
    margin-bottom: 4px;
}

.member-bio {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: 8px;
    line-height: 1.4;
}

.member-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-top: 8px;
}

.tag {
    padding: 4px 10px;
    background: var(--bg);
    border-radius: 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 移动端成员卡片 */
@media (max-width: 768px) {
    .members-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .member-card {
        padding: 16px;
        display: flex;
        align-items: center;
        text-align: left;
        gap: 16px;
    }
    
    .member-avatar {
        width: 56px;
        height: 56px;
        margin: 0;
        font-size: 1.4rem;
        flex-shrink: 0;
    }
    
    .member-info {
        flex: 1;
        min-width: 0;
    }
    
    .member-name {
        font-size: 1rem;
    }
    
    .member-bio {
        font-size: 0.8rem;
    }
}

/* 页面标题 */
.page-title {
    text-align: center;
    margin-bottom: 24px;
}

.page-title h1 {
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.page-title p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* 移动端安全区 */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .container {
        padding-bottom: calc(16px + env(safe-area-inset-bottom));
    }
    
    .btn {
        padding-bottom: calc(16px + env(safe-area-inset-bottom));
    }
}

/* 选择框箭头自定义 */
.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a8a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* 复选框样式 */
.form-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    vertical-align: middle;
    accent-color: var(--accent);
}

.form-group label:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    cursor: pointer;
}