* {

    margin: 0;

    padding: 0;

    box-sizing: border-box;

    -webkit-tap-highlight-color: transparent;

    -webkit-touch-callout: none;

    -webkit-user-select: none;

    user-select: none;

}


/* 允许文本选择的内容 */

.voice-operation, .light-operation, .setting-group label {

    -webkit-user-select: auto;

    user-select: auto;

}


body {

    font-family: 'Microsoft YaHei', Arial, sans-serif;

    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    min-height: 100vh;

    display: flex;

    flex-direction: column;

    align-items: center;

    padding: 20px;

    overflow-x: hidden;

}


.container {

    width: 100%;

    max-width: 1200px;

    background: white;

    border-radius: 15px;

    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);

    overflow: hidden;

    display: flex;

    flex-direction: column;

    min-height: 100vh;

}


.header {

    background: #2c3e50;

    color: white;

    padding: 20px;

    text-align: center;

}


.header h1 {

    font-size: 28px;

    margin-bottom: 10px;

}


.header p {

    font-size: 14px;

    opacity: 0.8;

}


.control-panel {

    padding: 20px;

    background: #f8f9fa;

    border-bottom: 1px solid #e9ecef;

}


.button-group {

    display: flex;

    gap: 15px;

    justify-content: center;

    flex-wrap: wrap;

    margin-bottom: 20px;

}


button {

    padding: 15px 24px;

    border: none;

    border-radius: 12px;

    font-size: 16px;

    font-weight: 600;

    cursor: pointer;

    transition: all 0.3s ease;

    text-transform: uppercase;

    letter-spacing: 0.5px;

    min-height: 44px;

    min-width: 44px;

    position: relative;

    overflow: hidden;

    -webkit-appearance: none;

    touch-action: manipulation;

}


/* 按钮触摸反馈 */

button:active {

    transform: translateY(1px);

    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);

}


/* 按钮波纹效果 */

button::before {

    content: '';

    position: absolute;

    top: 50%;

    left: 50%;

    width: 0;

    height: 0;

    border-radius: 50%;

    background: rgba(255, 255, 255, 0.3);

    transform: translate(-50%, -50%);

    transition: width 0.6s, height 0.6s;

}


button:active::before {

    width: 300px;

    height: 300px;

}


.btn-primary {

    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    color: white;

}


.btn-primary:hover {

    transform: translateY(-2px);

    box-shadow: 0 8px 15px rgba(102, 126, 234, 0.3);

}


.btn-success {

    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);

    color: white;

}


.btn-success:hover {

    transform: translateY(-2px);

    box-shadow: 0 8px 15px rgba(56, 239, 125, 0.3);

}


.btn-warning {

    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);

    color: white;

}


.btn-warning:hover {

    transform: translateY(-2px);

    box-shadow: 0 8px 15px rgba(245, 87, 108, 0.3);

}


.btn-info {

    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);

    color: white;

}


.btn-info:hover {

    transform: translateY(-2px);

    box-shadow: 0 8px 15px rgba(79, 172, 254, 0.3);

}


.table-container {

    padding: 30px;

    overflow-x: auto;

}


table {

    width: 100%;

    border-collapse: collapse;

    background: white;

    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);

    border-radius: 10px;

    overflow: hidden;

}


th {

    background: #4a90e2;

    color: white;

    padding: 20px;

    text-align: center;

    font-weight: 600;

    font-size: 16px;

    letter-spacing: 0.5px;

}


td {

    padding: 15px 20px;

    text-align: center;

    border-bottom: 1px solid #e9ecef;

    font-size: 14px;

}


tr:nth-child(even) {

    background: #f8f9fa;

}


tr:hover {

    background: #e3f2fd;

    transition: background 0.3s ease;

}


.highlight {

    background: #fff3cd !important;

    border: 2px solid #ffc107;

    animation: pulse 1.5s infinite;

}


@keyframes pulse {

    0% { box-shadow: 0 0 0 0 rgba(255, 193, 7, 0.7); }

    70% { box-shadow: 0 0 0 10px rgba(255, 193, 7, 0); }

    100% { box-shadow: 0 0 0 0 rgba(255, 193, 7, 0); }

}


.scenario-number {

    font-weight: bold;

    color: #2c3e50;

    margin-right: 8px;

}


.voice-operation {

    font-weight: 500;

    color: #495057;

}


.light-operation {

    font-weight: 600;

    color: #e74c3c;

    background: #ffeaa7;

    padding: 8px 15px;

    border-radius: 20px;

    display: inline-block;

}


.note-section {

    background: linear-gradient(135deg, #1a237e 0%, #283593 100%);

    color: white;

    padding: 25px;

    margin: 30px;

    border-radius: 10px;

    text-align: center;

    flex-shrink: 0;

}


.note-section h3 {

    margin-bottom: 15px;

    font-size: 18px;

}


.note-section p {

    line-height: 1.6;

    margin-bottom: 10px;

}


.status-bar {

    padding: 15px;

    background: #2c3e50;

    color: white;

    text-align: center;

    font-size: 14px;

}


.current-scenario {

    font-weight: bold;

    color: #ffc107;

}


.settings-panel {

    padding: 20px;

    background: #e9ecef;

    border-top: 1px solid #dee2e6;

}


.setting-group {

    display: flex;

    align-items: center;

    gap: 15px;

    margin-bottom: 15px;

}


.setting-group label {

    font-weight: 600;

    min-width: 120px;

}


.setting-group input[type="range"] {

    flex: 1;

}


.setting-group span {

    min-width: 50px;

    text-align: center;

    font-weight: bold;

}


@media (max-width: 768px) {

    .button-group {

        flex-direction: column;

        align-items: center;

    }


    button {

        width: 100%;

        max-width: 300px;

    }


    table {

        font-size: 12px;

    }


    th, td {

        padding: 10px;

    }

}

/* 移动端优化 */

@media (max-width: 768px) {

    body {

        padding: 0;

        padding-bottom: 60px;

    }


    .container {

        border-radius: 0;

        min-height: 100vh;

        max-width: 100%;

    }


    .header {

        padding: 15px 20px;

        background: #1a2530;

    }


    .header h1 {

        font-size: 20px;

        margin-bottom: 5px;

    }


    .header p {

        font-size: 12px;

    }


    .control-panel {

        padding: 15px;

        background: rgba(248, 249, 250, 0.95);

        backdrop-filter: blur(10px);

        -webkit-backdrop-filter: blur(10px);

        flex-shrink: 0;

        order: 1;

    }


    .button-group {

        grid-template-columns: 1fr 1fr;

        gap: 10px;

        display: grid;

        margin-bottom: 15px;

    }


    button {

        width: 100%;

        max-width: none;

        font-size: 14px;

        padding: 12px 16px;

        min-height: 48px;

        border-radius: 8px;

    }


    .table-container {

        padding: 15px;

        flex: 1;

        overflow-y: auto;

        -webkit-overflow-scrolling: touch;

        touch-action: pan-y;

        position: relative;

        overscroll-behavior: contain;

        order: 2;

    }


    table {

        font-size: 13px;

        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);

    }


    th {

        padding: 12px 8px;

        font-size: 14px;

        background: #3a7bd5;

    }


    td {

        padding: 12px 8px;

        font-size: 12px;

        line-height: 1.4;

    }


    .scenario-number {

        display: block;

        margin-bottom: 4px;

        font-size: 11px;

        color: #666;

    }


    .voice-operation {

        font-size: 13px;

        line-height: 1.5;

    }


    .light-operation {

        font-size: 11px;

        padding: 6px 10px;

        margin: 4px 0;

        display: inline-block;

        line-height: 1.3;

    }


    .note-section {

        margin: 15px 0 0 0;

        padding: 0;

        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);

        flex-shrink: 0;

        order: 3;

        border-radius: 0;

        position: relative;

        overflow: hidden;

        max-height: 60px;

        transition: max-height 0.3s ease-out;

    }


    .note-section.expanded {

        max-height: 50vh;

        overflow-y: auto;

        -webkit-overflow-scrolling: touch;

    }


    .note-header {

        padding: 15px 20px;

        cursor: pointer;

        user-select: none;

        -webkit-user-select: none;

        border-bottom: 1px solid rgba(255, 255, 255, 0.1);

        position: sticky;

        top: 0;

        z-index: 11;

        background: inherit;

    }


    .note-header h3 {

        font-size: 16px;

        margin: 0;

        display: flex;

        align-items: center;

        justify-content: space-between;

    }


    .toggle-icon {

        font-size: 14px;

        transition: transform 0.3s ease;

        margin-left: 10px;

    }


    .note-section.expanded .toggle-icon {

        transform: rotate(180deg);

    }


    .note-content {

        padding: 15px 20px;

        max-height: calc(50vh - 60px);

        overflow-y: auto;

        -webkit-overflow-scrolling: touch;

    }


    .note-section p {

        font-size: 12px;

        margin-bottom: 8px;

        line-height: 1.4;

    }


    .settings-panel {

        padding: 15px;

        background: #f8f9fa;

        border-top: 2px solid #e9ecef;

        flex-shrink: 0;

        order: 4;

    }


    .setting-group {

        flex-direction: column;

        align-items: stretch;

        gap: 8px;

        margin-bottom: 12px;

    }


    .setting-group label {

        min-width: auto;

        font-size: 13px;

        font-weight: 500;

    }


    .setting-group input[type="range"] {

        height: 6px;

        border-radius: 3px;

        background: #ddd;

        outline: none;

        -webkit-appearance: none;

    }


    .setting-group input[type="range"]::-webkit-slider-thumb {

        -webkit-appearance: none;

        appearance: none;

        width: 20px;

        height: 20px;

        border-radius: 50%;

        background: #4a90e2;

        cursor: pointer;

        box-shadow: 0 2px 4px rgba(0,0,0,0.2);

    }


    .setting-group span {

        min-width: auto;

        text-align: right;

        font-size: 12px;

        font-weight: 500;

    }


    .status-bar {

        padding: 10px 15px;

        font-size: 12px;

        background: #1a2530;

        flex-shrink: 0;

        order: 5;

    }


    .highlight {

        background: #fff3cd !important;

        border-left: 4px solid #ffc107;

        animation: mobilePulse 1.5s infinite;

    }


    @keyframes mobilePulse {

        0% {

            box-shadow: 0 0 0 0 rgba(255, 193, 7, 0.4);

            border-left-color: #ffc107;

        }

        70% {

            box-shadow: 0 0 0 8px rgba(255, 193, 7, 0);

            border-left-color: #ff8c00;

        }

        100% {

            box-shadow: 0 0 0 0 rgba(255, 193, 7, 0);

            border-left-color: #ffc107;

        }

    }

}


/* 超小屏幕优化 (iPhone SE等) */

@media (max-width: 375px) {

    .button-group {

        grid-template-columns: 1fr;

        gap: 8px;

    }


    button {

        min-height: 52px;

        font-size: 15px;

        padding: 14px 20px;

    }


    .voice-operation {

        font-size: 12px;

    }


    .light-operation {

        font-size: 10px;

        padding: 4px 8px;

    }

}


/* 横屏优化 */

@media (max-height: 500px) and (orientation: landscape) {

    .header {

        padding: 10px 15px;

    }


    .header h1 {

        font-size: 18px;

    }


    .control-panel {

        padding: 8px 12px;

    }


    .button-group {

        grid-template-columns: repeat(4, 1fr);

        gap: 8px;

    }


    button {

        min-height: 40px;

        font-size: 12px;

        padding: 8px 12px;

    }


    .note-section {

        display: none; /* 横屏时隐藏说明以节省空间 */

    }


    .settings-panel {

        padding: 8px 12px;

    }


    .setting-group {

        flex-direction: row;

        align-items: center;

        gap: 10px;

    }


    .table-container {

        padding: 8px 12px;

    }


    th, td {

        padding: 8px 6px;

        font-size: 11px;

    }

}


/* 平板设备优化 */

@media (min-width: 769px) and (max-width: 1024px) {

    .container {

        border-radius: 10px;

        margin: 10px;

    }


    .header {

        padding: 18px 25px;

    }


    .header h1 {

        font-size: 24px;

    }


    .button-group {

        gap: 12px;

    }


    button {

        padding: 14px 20px;

        font-size: 15px;

    }


    .table-container {

        padding: 20px;

    }


    th {

        padding: 16px 12px;

        font-size: 15px;

    }


    td {

        padding: 14px 12px;

        font-size: 13px;

    }

}


/* 大屏幕优化 */

@media (min-width: 1200px) {

    .container {

        max-width: 1400px;

    }


    .table-container {

        padding: 40px;

    }


    th {

        padding: 24px;

        font-size: 18px;

    }


    td {

        padding: 18px 24px;

        font-size: 15px;

    }

}


/* 移动端手势支持 */

.table-container {

    touch-action: pan-y;

    overscroll-behavior: contain;

}


.button-group {

    touch-action: manipulation;

}


/* 确保页面主体可以正常滚动 */

body {

    overflow-x: hidden;

    overscroll-behavior-y: contain;

}


/* 移动端滚动优化 */

@media (max-width: 768px) {

    html {

        width: 100%;

        height: 100%;

        overflow-x: hidden;

    }


    body {

        width: 100%;

        min-height: 100vh;

        overflow-x: hidden;

        overscroll-behavior-y: contain;

    }


    .container {

        min-height: 100vh;

        display: flex;

        flex-direction: column;

        height: 100vh;

    }


    .table-container {

        flex: 1;

        overflow-y: auto;

        -webkit-overflow-scrolling: touch;

        touch-action: pan-y;

        overscroll-behavior: contain;

        padding-bottom: 30px;

    }

}


/* 移动端滚动优化 */

.table-container::-webkit-scrollbar {

    width: 4px;

    height: 4px;

}


.table-container::-webkit-scrollbar-track {

    background: #f1f1f1;

}


.table-container::-webkit-scrollbar-thumb {

    background: #c1c1c1;

    border-radius: 2px;

}


.table-container::-webkit-scrollbar-thumb:hover {

    background: #a1a1a1;

}


/* 移动端触摸反馈 (支持的设备) */

@media (hover: none) and (pointer: coarse) {

    button:active {

        -webkit-tap-highlight-color: rgba(255, 255, 255, 0.2);

    }

}


/* 高DPI屏幕优化 */

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {

    button {

        border: 0.5px solid transparent;

    }


    .highlight {

        border-left-width: 2px;

    }

}


/* 纯语音模式遮罩层 */

.voice-only-overlay {

    position: fixed;

    top: 0;

    left: 0;

    width: 100%;

    height: 100%;

    background: rgba(0, 0, 0, 0.95);

    z-index: 1000;

    display: none;

    flex-direction: column;

    justify-content: center;

    align-items: center;

    color: white;

    text-align: center;

}


.voice-only-overlay.active {

    display: flex;

}


.voice-only-content {

    max-width: 80%;

    padding: 40px;

    background: rgba(255, 255, 255, 0.1);

    border-radius: 20px;

    backdrop-filter: blur(10px);

    -webkit-backdrop-filter: blur(10px);

}


.voice-only-status {

    font-size: 24px;

    margin-bottom: 20px;

    font-weight: 600;

}


.voice-only-controls {

    margin-top: 30px;

    display: flex;

    gap: 20px;

    justify-content: center;

    flex-wrap: wrap;

}


.voice-only-button {

    padding: 15px 30px;

    border: none;

    border-radius: 12px;

    font-size: 16px;

    font-weight: 600;

    cursor: pointer;

    transition: all 0.3s ease;

    min-height: 44px;

    min-width: 44px;

}


.voice-only-stop {

    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);

    color: white;

}


.voice-only-stop:hover {

    transform: translateY(-2px);

    box-shadow: 0 8px 15px rgba(231, 76, 60, 0.3);

}


.voice-only-pause {

    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);

    color: white;

}


.voice-only-pause:hover {

    transform: translateY(-2px);

    box-shadow: 0 8px 15px rgba(243, 156, 18, 0.3);

}


.voice-only-indicator {

    width: 80px;

    height: 80px;

    border-radius: 50%;

    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);

    display: flex;

    justify-content: center;

    align-items: center;

    margin: 0 auto 30px;

    animation: voicePulse 2s infinite;

}


@keyframes voicePulse {

    0% {

        transform: scale(1);

        box-shadow: 0 0 0 0 rgba(52, 152, 219, 0.7);

    }

    50% {

        transform: scale(1.1);

        box-shadow: 0 0 0 20px rgba(52, 152, 219, 0);

    }

    100% {

        transform: scale(1);

        box-shadow: 0 0 0 0 rgba(52, 152, 219, 0);

    }

}


.voice-only-indicator.playing {

    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);

}


.voice-only-indicator.paused {

    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);

    animation: none;

}


/* 移动端优化 */

@media (max-width: 768px) {

    .voice-only-content {

        max-width: 95%;

        padding: 20px;

    }


    .voice-only-status {

        font-size: 18px;

    }


    .voice-only-controls {

        gap: 10px;

    }


    .voice-only-button {

        padding: 12px 20px;

        font-size: 14px;

    }


    .voice-only-indicator {

        width: 60px;

        height: 60px;

    }

}


/* 顺序练习按钮 */

.btn-practice {

    background: linear-gradient(135deg, #5b86e5 0%, #36d1dc 100%);

    color: white;

}


.btn-practice:hover {

    transform: translateY(-2px);

    box-shadow: 0 8px 15px rgba(91, 134, 229, 0.3);

}


/* 考试模式：隐藏真实答案列，显示填写答案列 */

.answer-input-col {

    display: none;

}


body.exam-mode .correct-answer-cell {

    display: none;

}


body.exam-mode .answer-input-col {

    display: table-cell;

}


.answer-input {

    width: 100%;

    min-width: 96px;

    padding: 8px 10px;

    border: 2px solid #cbd5e0;

    border-radius: 8px;

    font-size: 13px;

    font-family: inherit;

    outline: none;

    -webkit-user-select: text;

    user-select: text;

    transition: border-color 0.2s, background 0.2s;

}


.answer-input:focus {

    border-color: #4a90e2;

}


.answer-input.right {

    border-color: #27ae60;

    background: #eafaf0;

}


.answer-input.wrong {

    border-color: #e74c3c;

    background: #fdeded;

}


.answer-feedback {

    display: block;

    margin-top: 4px;

    font-size: 12px;

    font-weight: 600;

    line-height: 1.3;

    min-height: 16px;

}


.answer-feedback.ok {

    color: #27ae60;

}


.answer-feedback.reveal {

    color: #27ae60;

}


.answer-feedback.reveal strong {

    font-size: 13px;

}


/* 纯语音模式答题区 */

.voice-answer-area {

    margin-top: 26px;

}


.voice-answer-label {

    font-size: 15px;

    margin-bottom: 10px;

    opacity: 0.9;

}


.voice-answer-row {

    display: flex;

    align-items: center;

    justify-content: center;

    gap: 6px;

    font-size: 22px;

    flex-wrap: wrap;

}


#voiceAnswerInput {

    font-size: 16px;

    padding: 10px 14px;

    border-radius: 8px;

    border: none;

    outline: none;

    width: 210px;

    max-width: 70vw;

    text-align: center;

    font-family: inherit;

    background: rgba(255, 255, 255, 0.92);

}


#voiceAnswerInput.right {

    background: #d5f5e3;

}


#voiceAnswerInput.wrong {

    background: #fadbd8;

}


#voiceAnswerFeedback {

    width: 100%;

    text-align: center;

    font-size: 15px;

    min-height: 20px;

    margin-top: 8px;

}


@media (max-width: 768px) {

    .answer-input {

        min-width: 72px;

        padding: 6px 8px;

        font-size: 12px;

    }


    .answer-feedback {

        font-size: 11px;

    }

}