/* 琳凯蒂亚语语法页面专用样式 */

/* 确保登录注册按钮样式与主站完全一致 */
.btn-outline.btn-small {
    background: transparent !important;
    color: #e0e0e0 !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    border-radius: 25px !important;
    padding: 0.4rem 1rem !important;
    font-size: 0.85rem !important;
}

.btn-outline.btn-small:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    border-color: #ffd700 !important;
    color: #ffd700 !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.2) !important;
}

.btn-primary.btn-small {
    background: linear-gradient(45deg, #ffd700, #4ecdc4) !important;
    color: #1a1a2e !important;
    font-weight: 600 !important;
    border-radius: 25px !important;
    padding: 0.4rem 1rem !important;
    font-size: 0.85rem !important;
}

.btn-primary.btn-small:hover {
    background: linear-gradient(45deg, #ffd700, #4ecdc4) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4) !important;
    filter: brightness(1.1) !important;
}

/* 语法页面英雄区域 */
.grammar-hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, 
        rgba(26, 35, 126, 0.9) 0%, 
        rgba(40, 53, 147, 0.8) 50%, 
        rgba(63, 81, 181, 0.7) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="stars" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23ffd700" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23stars)"/></svg>');
    text-align: center;
    position: relative;
}

.page-title {
    font-size: 3.5rem;
    color: var(--star-gold);
    text-shadow: var(--magic-glow);
    margin-bottom: 1rem;
    font-weight: bold;
}

.page-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 导航标签 */
.grammar-navigation {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    position: sticky;
    top: 80px;
    z-index: 999;
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

.grammar-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.8rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 25px;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

.tab-btn:hover {
    background: rgba(255, 215, 0, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

.tab-btn.active {
    background: linear-gradient(45deg, var(--star-gold), var(--magic-purple));
    border-color: var(--star-gold);
    box-shadow: 0 5px 20px rgba(255, 215, 0, 0.4);
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.tab-btn:hover::before {
    left: 100%;
}

/* 语法内容区域 */
.grammar-content {
    padding: 4rem 0;
}

.grammar-section {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.grammar-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-title {
    font-size: 2.5rem;
    color: var(--star-gold);
    text-align: center;
    margin-bottom: 3rem;
    text-shadow: var(--magic-glow);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--crystal-cyan), var(--star-gold), var(--magic-purple));
    border-radius: 2px;
}

/* 语法卡片 */
.grammar-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 215, 0, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.grammar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--crystal-cyan), var(--star-gold), var(--magic-purple));
}

.grammar-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(255, 215, 0, 0.2);
    border-color: var(--star-gold);
}

.grammar-card h3 {
    color: var(--crystal-cyan);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.grammar-card h3::before {
    content: '✦';
    color: var(--star-gold);
    font-size: 1.2rem;
}

/* 数词系统样式 */
.number-system {
    margin-top: 2rem;
}

.number-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.number-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 188, 212, 0.3);
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.number-item:hover {
    background: rgba(0, 188, 212, 0.2);
    transform: scale(1.05);
    border-color: var(--crystal-cyan);
}

.num {
    color: var(--star-gold);
    font-size: 1.2rem;
    font-weight: bold;
}

.word {
    color: var(--crystal-cyan);
    font-family: 'Courier New', monospace;
    font-weight: bold;
    font-size: 1.1rem;
}

.prefix-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.prefix-item {
    background: rgba(123, 31, 162, 0.1);
    border: 1px solid rgba(123, 31, 162, 0.3);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.prefix-item:hover {
    background: rgba(123, 31, 162, 0.2);
    transform: translateY(-3px);
}

.prefix {
    display: block;
    color: var(--magic-purple);
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    font-family: 'Courier New', monospace;
}

.meaning {
    display: block;
    color: var(--crystal-cyan);
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.example {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
}

/* 量名词系统样式 */
.quantity-system {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid rgba(255, 215, 0, 0.2);
}

.quantity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.quantity-category {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.quantity-category h5 {
    color: var(--star-gold);
    margin-bottom: 1rem;
    text-align: center;
    font-size: 1.1rem;
}

.quantity-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0.8rem 0;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--crystal-cyan);
}

.quantity {
    color: var(--crystal-cyan);
    font-weight: bold;
    font-family: 'Courier New', monospace;
    min-width: 80px;
}

.quantity-examples {
    margin-top: 2rem;
}

.concept-quantity {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.concept-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--magic-purple);
}

.concept {
    color: var(--magic-purple);
    font-weight: bold;
    font-family: 'Courier New', monospace;
}

/* 代词系统扩展样式 */
.pronoun-comprehensive-table {
    margin-top: 2rem;
    overflow-x: auto;
}

.pronoun-comprehensive-table table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    overflow: hidden;
    font-size: 0.9rem;
}

.pronoun-comprehensive-table th,
.pronoun-comprehensive-table td {
    padding: 1rem 0.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    vertical-align: top;
}

.pronoun-comprehensive-table th {
    background: rgba(0, 188, 212, 0.3);
    color: var(--crystal-cyan);
    font-weight: bold;
    font-size: 0.8rem;
}

.pronoun-comprehensive-table td {
    color: var(--text-light);
    line-height: 1.4;
}

.pronoun-comprehensive-table td strong {
    color: var(--star-gold);
    font-size: 0.9rem;
}

.comprehensive-pronouns {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid rgba(0, 188, 212, 0.2);
}

.additional-pronouns {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid rgba(123, 31, 162, 0.2);
}

.additional-pronoun-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.additional-category {
    background: rgba(123, 31, 162, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid rgba(123, 31, 162, 0.3);
}

.additional-category h5 {
    color: #e91e63; /* 改为较亮的粉红色 */
    margin-bottom: 1rem;
    text-align: center;
}

.additional-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0.8rem 0;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--magic-purple);
}

.additional-word {
    color: var(--magic-purple);
    font-weight: bold;
    font-family: 'Courier New', monospace;
    min-width: 80px;
}

.additional-meaning {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: right;
}

/* 连词系统扩展样式 */
.conjunction-examples-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid rgba(255, 215, 0, 0.2);
}

.conjunction-example-sentences {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.conjunction-example-sentences .example-sentence {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    border-left: 4px solid var(--star-gold);
}

.conjunction-examples .conj-item {
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--star-gold);
}

.conj {
    color: var(--star-gold);
    font-weight: bold;
    font-family: 'Courier New', monospace;
    background: rgba(255, 215, 0, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    margin-right: 1rem;
}

.conjunction-examples .meaning {
    color: var(--crystal-cyan);
    font-weight: bold;
    margin-right: 1rem;
}

.conjunction-examples .example {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
    display: block;
    margin-top: 0.5rem;
}

.conjunction-category p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-style: italic;
}

.analysis {
    display: block;
    color: var(--magic-purple);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: rgba(123, 31, 162, 0.1);
    border-radius: 5px;
    border-left: 3px solid var(--magic-purple);
    font-style: italic;
}

/* 特色网格 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-3px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-item h4 {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

/* 语法结构显示 */
.syntax-example {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    padding: 2rem;
    margin: 1.5rem 0;
    border-left: 4px solid var(--star-gold);
}

.syntax-pattern {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 1.1rem;
}

.subject { color: var(--crystal-cyan); font-weight: bold; }
.modifier { color: var(--magic-purple); font-weight: bold; }
.verb { color: var(--star-gold); font-weight: bold; }
.object { color: var(--light-blue); font-weight: bold; }
.connector { color: var(--text-secondary); font-size: 1.5rem; }

/* 字母表显示 */
.alphabet-section {
    margin: 2rem 0;
}

.alphabet-section h4 {
    color: var(--crystal-cyan);
    margin-bottom: 1rem;
    text-align: center;
}

.alphabet-grid {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.letter-group {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.letter {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(0, 188, 212, 0.3);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    color: var(--star-gold);
    font-family: 'Courier New', monospace;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
}

.letter:hover {
    background: rgba(0, 188, 212, 0.2);
    border-color: var(--crystal-cyan);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 188, 212, 0.3);
}

/* 转写方案显示 */
.transcription-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.transcription-item {
    background: rgba(123, 31, 162, 0.1);
    border: 1px solid rgba(123, 31, 162, 0.3);
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
    transition: all 0.3s ease;
}

.transcription-item:hover {
    background: rgba(123, 31, 162, 0.2);
    transform: scale(1.05);
}

.original {
    color: var(--star-gold);
    font-size: 1.2rem;
    font-weight: bold;
}

.transcribed {
    color: var(--crystal-cyan);
    font-family: 'Courier New', monospace;
    font-weight: bold;
}

/* 组件样式 */
.component {
    background: var(--magic-purple);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 5px;
    font-weight: bold;
}

.note {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(255, 215, 0, 0.1);
    border-left: 4px solid var(--star-gold);
    border-radius: 5px;
    font-style: italic;
    color: var(--text-secondary);
}
.phonetic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.phonetic-category {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid rgba(0, 188, 212, 0.3);
}

.phonetic-category h4 {
    color: var(--crystal-cyan);
    margin-bottom: 1rem;
}

.sound-example {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 1rem;
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sound {
    font-family: 'Courier New', monospace;
    color: var(--star-gold);
    font-weight: bold;
}

.meaning {
    color: var(--text-secondary);
    font-style: italic;
}

/* 词类分类样式 */
.word-class-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.word-class-category {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.word-class-category h4 {
    color: var(--star-gold);
    margin-bottom: 1rem;
    text-align: center;
}

.class-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1rem 0;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--crystal-cyan);
}

.class-name {
    color: var(--crystal-cyan);
    font-weight: bold;
    min-width: 80px;
}

.class-desc {
    color: var(--text-secondary);
    text-align: right;
    font-size: 0.9rem;
}

/* 转义词尾表格 */
.word-ending-table {
    margin: 2rem 0;
    overflow-x: auto;
}

.word-ending-table table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    overflow: hidden;
}

.word-ending-table th,
.word-ending-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.word-ending-table th {
    background: rgba(255, 215, 0, 0.2);
    color: var(--star-gold);
    font-weight: bold;
}

/* 词汇示例 */
.example-section {
    margin-top: 2rem;
}

.example-section h4 {
    color: #e91e63; /* 改为较亮的粉红色 */
    margin-bottom: 1rem;
}

.word-example {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 1rem 0;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    flex-wrap: wrap;
}

.base-word,
.derived-word {
    background: var(--accent-blue);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 5px;
    font-weight: bold;
    font-family: 'Courier New', monospace;
}

.derived-word {
    background: var(--crystal-cyan);
}

.arrow {
    color: var(--star-gold);
    font-size: 1.2rem;
    font-weight: bold;
}

/* 抒情词样式 */
.emotion-words {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.emotion-category {
    background: rgba(123, 31, 162, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid rgba(123, 31, 162, 0.3);
}

.emotion-category h4 {
    color: #e91e63; /* 改为较亮的粉红色 */
    margin-bottom: 1rem;
    text-align: center;
}

.word-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0.8rem 0;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.word-item .word {
    color: var(--star-gold);
    font-weight: bold;
    font-family: 'Courier New', monospace;
    min-width: 60px;
}

.word-item .usage {
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.morphology-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.word-structure {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
}

.word-structure h4 {
    color: #e91e63; /* 改为较亮的粉红色 */
    margin-bottom: 1rem;
}

.word-breakdown {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.8rem 0;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.root {
    background: var(--accent-blue);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 5px;
    font-weight: bold;
}

.prefix {
    background: var(--magic-purple);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 5px;
    font-weight: bold;
}

.suffix {
    background: var(--crystal-cyan);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 5px;
    font-weight: bold;
}

/* 变格表格 */
.inflection-table {
    margin-top: 2rem;
}

.inflection-table h4 {
    color: var(--star-gold);
    margin-bottom: 1rem;
}

.inflection-table table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    overflow: hidden;
}

.inflection-table th,
.inflection-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.inflection-table th {
    background: rgba(255, 215, 0, 0.2);
    color: var(--star-gold);
    font-weight: bold;
}

.inflection-table td {
    color: var(--text-light);
}

/* 句型示例 */
.sentence-patterns {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.pattern-example {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    border-left: 4px solid var(--crystal-cyan);
}

.pattern-example h4 {
    color: var(--crystal-cyan);
    margin-bottom: 1rem;
}

.example-sentence {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.Rincatian {
    display: block;
    font-size: 1.3rem;
    color: var(--star-gold);
    font-weight: bold;
    margin-bottom: 0.5rem;
    font-family: 'Georgia', serif;
    letter-spacing: 1px;
}

.translation {
    display: block;
    color: var(--text-secondary);
    font-style: italic;
}

/* 魔法语法特殊样式 */
.magic-card {
    background: linear-gradient(135deg, 
        rgba(123, 31, 162, 0.1) 0%, 
        rgba(26, 35, 126, 0.1) 50%, 
        rgba(0, 188, 212, 0.1) 100%);
    border: 1px solid rgba(123, 31, 162, 0.3);
}

.magic-examples {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.magic-pattern {
    background: rgba(123, 31, 162, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid rgba(123, 31, 162, 0.3);
}

.magic-pattern h4 {
    color: #e91e63; /* 改为较亮的粉红色 */
    margin-bottom: 1rem;
}

.example-sentence.magic {
    background: rgba(123, 31, 162, 0.1);
    border: 1px solid rgba(123, 31, 162, 0.3);
}

.magic-effect {
    display: block;
    color: var(--magic-purple);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: rgba(123, 31, 162, 0.1);
    border-radius: 5px;
    border-left: 3px solid var(--magic-purple);
}

/* 练习区域 */
.exercise-container {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.exercise-item {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.exercise-prompt {
    color: var(--star-gold);
    font-weight: bold;
    margin-bottom: 1rem;
}

.exercise-question {
    margin: 1rem 0;
}

.exercise-input,
.exercise-textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 1rem;
    margin: 1rem 0;
    resize: vertical;
}

.exercise-input:focus,
.exercise-textarea:focus {
    outline: none;
    border-color: var(--star-gold);
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

.check-btn {
    background: linear-gradient(45deg, var(--crystal-cyan), var(--star-gold));
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.check-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 188, 212, 0.4);
}

.exercise-answer {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 188, 212, 0.1);
    border-radius: 10px;
    border-left: 4px solid var(--crystal-cyan);
}

.exercise-answer strong {
    color: var(--crystal-cyan);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-title {
        font-size: 2.5rem;
    }
    
    .grammar-tabs {
        gap: 0.5rem;
    }
    
    .tab-btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }
    
    .syntax-pattern {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .phonetic-grid,
    .morphology-examples {
        grid-template-columns: 1fr;
    }
    
    .grammar-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .grammar-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 200px;
        text-align: center;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

/* 句法结构样式 */
.detailed-structure {
    margin-top: 2rem;
}

.detailed-structure h4 {
    color: #e91e63; /* 改为较亮的粉红色 */
    margin-bottom: 1rem;
    text-align: center;
}

.structure-breakdown {
    display: grid;
    gap: 1rem;
}

.structure-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--star-gold);
}

.structure-name {
    color: var(--star-gold);
    font-weight: bold;
    min-width: 60px;
}

.structure-desc {
    color: var(--text-secondary);
    text-align: right;
    font-size: 0.9rem;
}

/* 助词系统样式 */
.particle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.particle-category {
    background: rgba(0, 188, 212, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid rgba(0, 188, 212, 0.3);
}

.particle-category h4 {
    color: var(--crystal-cyan);
    margin-bottom: 1rem;
    text-align: center;
}

.particle-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0.8rem 0;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.particle {
    color: var(--star-gold);
    font-weight: bold;
    font-family: 'Courier New', monospace;
    min-width: 80px;
    padding: 0.2rem 0.5rem;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 4px;
}

.usage {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: right;
}

/* 句法分析样式 */
.analysis {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    border-left: 4px solid var(--crystal-cyan);
    font-size: 0.9rem;
    line-height: 1.5;
}

.part {
    color: var(--star-gold);
    font-weight: bold;
    font-family: 'Courier New', monospace;
    background: rgba(255, 215, 0, 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    margin: 0.1rem;
    display: inline-block;
}

/* 体态词尾系统样式 */
.aspect-table {
    margin: 2rem 0;
    overflow-x: auto;
}

.aspect-table h4 {
    color: var(--magic-purple);
    margin-bottom: 1rem;
    text-align: center;
}

.aspect-table table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 2rem;
}

.aspect-table th,
.aspect-table td {
    padding: 1rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.aspect-table th {
    background: rgba(123, 31, 162, 0.3);
    color: var(--magic-purple);
    font-weight: bold;
}

.aspect-name {
    background: rgba(255, 215, 0, 0.2) !important;
    color: var(--star-gold) !important;
    font-weight: bold;
}

.ending {
    color: var(--crystal-cyan);
    font-family: 'Courier New', monospace;
    font-weight: bold;
    font-size: 1.1rem;
}

/* 性状动词样式 */
.status-verbs {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.status-verb-category {
    background: rgba(0, 188, 212, 0.1);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(0, 188, 212, 0.3);
}

.status-verb-category h4 {
    color: var(--crystal-cyan);
    margin-bottom: 1rem;
}

.status-examples {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.status-example {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--star-gold);
}

.formula {
    color: var(--star-gold);
    font-family: 'Courier New', monospace;
    font-weight: bold;
    min-width: 80px;
    font-size: 1.1rem;
}

.meaning {
    color: var(--text-secondary);
    flex: 1;
}

/* 变化类型样式 */
.change-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.change-type {
    background: rgba(123, 31, 162, 0.1);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(123, 31, 162, 0.3);
}

.change-type h4 {
    color: var(--magic-purple);
    margin-bottom: 1.5rem;
    text-align: center;
}

.classification {
    display: grid;
    gap: 1.5rem;
}

.class-group h5 {
    color: var(--crystal-cyan);
    margin-bottom: 1rem;
    text-align: center;
}

.change-examples {
    display: grid;
    gap: 1rem;
}

.change-example {
    display: grid;
    grid-template-columns: 1fr 1fr 2fr;
    gap: 1rem;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.change-name {
    color: var(--star-gold);
    font-weight: bold;
}

.change-form {
    color: var(--crystal-cyan);
    font-family: 'Courier New', monospace;
    font-weight: bold;
}

.change-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 练习系统样式 */
.options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.options label:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--star-gold);
}

.options input[type="radio"] {
    accent-color: var(--star-gold);
    width: 16px;
    height: 16px;
}

.options input[type="radio"]:checked + span {
    color: var(--star-gold);
    font-weight: bold;
}

.exercise-answer ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.exercise-answer li {
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

.exercise-answer strong {
    color: var(--crystal-cyan);
}