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

:root {
    /* 明色模式变量 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-primary: #e2e8f0;
    --border-secondary: #cbd5e1;
    --accent-primary: #3b82f6;
    --accent-hover: #2563eb;
    --success-primary: #10b981;
    --success-hover: #059669;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

@media (prefers-color-scheme: dark) {
    :root {
        /* 暗色模式变量 */
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --bg-tertiary: #334155;
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-muted: #94a3b8;
        --border-primary: #334155;
        --border-secondary: #475569;
        --accent-primary: #60a5fa;
        --accent-hover: #3b82f6;
        --success-primary: #34d399;
        --success-hover: #10b981;
        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    }
}

/* 手动暗色模式 */
.dark {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-primary: #334155;
    --border-secondary: #475569;
    --accent-primary: #60a5fa;
    --accent-hover: #3b82f6;
    --success-primary: #34d399;
    --success-hover: #10b981;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

body {
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

/* 移动端紧凑布局 */
@media (max-width: 600px) {
    .main-content {
        flex: none;
        align-items: flex-start;
        justify-content: flex-start;
        padding-top: 5px;
    }
}

.container {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 30px;
    max-width: 500px;
    width: 100%;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-primary);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-primary);
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
}

h1 {
    color: var(--text-primary);
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    margin: 0;
}

.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.theme-toggle:hover {
    background: var(--border-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.info-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-secondary);
}

.info-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    display: block;
}

.info-value {
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.5;
    word-break: break-all;
}

/* 单行显示样式 */
.single-line {
    word-break: keep-all;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 移动端单行显示优化 */
@media (max-width: 600px) {
    .info-value {
        font-size: 0.8rem;
        line-height: 1.3;
    }
    
    .single-line {
        word-break: keep-all;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }
}

.geo-grid {
    display: grid;
    gap: 8px;
}

.geo-item {
    display: flex;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-primary);
}

.geo-item:last-child {
    border-bottom: none;
}

/* 移动端地理信息紧凑显示 */
@media (max-width: 600px) {
    .geo-grid {
        gap: 2px;
    }
    
    .geo-item {
        padding: 3px 0;
        border-bottom: 1px solid #f1f5f9;
    }
}

.geo-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    min-width: 60px;
    margin-right: 12px;
}

.geo-value {
    color: var(--text-primary);
    font-size: 0.9rem;
    flex: 1;
}

.links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 20px 0;
}

/* 移动端链接紧凑显示 */
@media (max-width: 600px) {
    .links {
        gap: 6px;
        margin: 10px 0;
    }
}

@media (max-width: 374px) {
    .links {
        grid-template-columns: 1fr;
        gap: 4px;
        margin: 8px 0;
    }
}

.link-btn {
    display: inline-block;
    padding: 12px 16px;
    background: var(--accent-primary);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.link-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

.input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

input[type="input"] {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-primary);
    border-radius: 10px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

input[type="input"]:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

input[type="input"]::placeholder {
    color: var(--text-muted);
}

button {
    padding: 12px 24px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.screenshot-btn {
    width: 100%;
    margin-top: 16px;
    background: var(--success-primary);
}

.screenshot-btn:hover {
    background: var(--success-hover);
    box-shadow: var(--shadow-lg);
}

.footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 30px;
    padding: 20px;
    background: var(--bg-primary);
    border-radius: 12px;
    border: 1px solid var(--border-primary);
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow-md);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.loading {
    display: none;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 10px 0;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-primary);
    border-top: 2px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 8px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.success-message {
    background: #d1fae5;
    color: #065f46;
    padding: 12px;
    border-radius: 8px;
    margin: 10px 0;
    display: none;
}

.error-message {
    background: #fee2e2;
    color: #991b1b;
    padding: 12px;
    border-radius: 8px;
    margin: 10px 0;
    display: none;
}

/* 4K 超高清屏幕 (3840px+) - 一屏显示优化 */
@media (min-width: 3840px) {
    .container {
        max-width: 900px;
        padding: 40px;
        border-radius: 25px;
    }
    
    h1 {
        font-size: 2.5rem;
        margin-bottom: 25px;
    }
    
    .info-card {
        padding: 18px;
        margin-bottom: 15px;
        border-radius: 15px;
    }
    
    .info-label {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .info-value {
        font-size: 1.1rem;
    }
    
    .single-line {
        font-size: 1rem;
        line-height: 1.3;
    }
    
    .geo-grid {
        gap: 6px;
    }
    
    .geo-item {
        padding: 6px 0;
    }
    
    .geo-label {
        font-size: 0.9rem;
        min-width: 70px;
    }
    
    .geo-value {
        font-size: 1rem;
    }
    
    .links {
        gap: 15px;
        margin: 15px 0;
    }
    
    .link-btn {
        padding: 14px 20px;
        font-size: 1rem;
        border-radius: 12px;
    }
    
    .form-group {
        margin-top: 15px;
    }
    
    .input-group {
        gap: 15px;
        margin-bottom: 15px;
    }
    
    input[type="input"] {
        padding: 14px 20px;
        font-size: 1rem;
        border-radius: 12px;
    }
    
    button {
        padding: 14px 25px;
        font-size: 1rem;
        border-radius: 12px;
    }
    
    .footer {
        font-size: 0.95rem;
        padding: 20px;
        border-radius: 15px;
        max-width: 900px;
    }
}

/* 2K 高清屏幕 (2560px - 3839px) - 一屏显示优化 */
@media (min-width: 2560px) and (max-width: 3839px) {
    .container {
        max-width: 750px;
        padding: 30px;
        border-radius: 20px;
    }
    
    h1 {
        font-size: 2rem;
        margin-bottom: 20px;
    }
    
    .info-card {
        padding: 15px;
        margin-bottom: 12px;
        border-radius: 12px;
    }
    
    .info-label {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }
    
    .info-value {
        font-size: 1rem;
    }
    
    .single-line {
        font-size: 0.9rem;
        line-height: 1.3;
    }
    
    .geo-grid {
        gap: 5px;
    }
    
    .geo-item {
        padding: 5px 0;
    }
    
    .geo-label {
        font-size: 0.85rem;
        min-width: 60px;
    }
    
    .geo-value {
        font-size: 0.9rem;
    }
    
    .links {
        gap: 12px;
        margin: 12px 0;
    }
    
    .link-btn {
        padding: 12px 16px;
        font-size: 0.9rem;
        border-radius: 10px;
    }
    
    .form-group {
        margin-top: 12px;
    }
    
    .input-group {
        gap: 12px;
        margin-bottom: 12px;
    }
    
    input[type="input"] {
        padding: 12px 16px;
        font-size: 0.9rem;
        border-radius: 10px;
    }
    
    button {
        padding: 12px 20px;
        font-size: 0.9rem;
        border-radius: 10px;
    }
    
    .footer {
        font-size: 0.85rem;
        padding: 18px;
        border-radius: 12px;
        max-width: 750px;
    }
}

/* 1K 全高清屏幕 (1920px - 2559px) - 一屏显示优化 */
@media (min-width: 1920px) and (max-width: 2559px) {
    .container {
        max-width: 650px;
        padding: 25px;
        border-radius: 18px;
    }
    
    h1 {
        font-size: 1.8rem;
        margin-bottom: 18px;
    }
    
    .info-card {
        padding: 12px;
        margin-bottom: 10px;
        border-radius: 10px;
    }
    
    .info-label {
        font-size: 0.85rem;
        margin-bottom: 5px;
    }
    
    .info-value {
        font-size: 0.9rem;
    }
    
    .single-line {
        font-size: 0.85rem;
        line-height: 1.3;
    }
    
    .geo-grid {
        gap: 4px;
    }
    
    .geo-item {
        padding: 4px 0;
    }
    
    .geo-label {
        font-size: 0.8rem;
        min-width: 55px;
    }
    
    .geo-value {
        font-size: 0.85rem;
    }
    
    .links {
        gap: 10px;
        margin: 10px 0;
    }
    
    .link-btn {
        padding: 10px 14px;
        font-size: 0.85rem;
        border-radius: 8px;
    }
    
    .form-group {
        margin-top: 10px;
    }
    
    .input-group {
        gap: 10px;
        margin-bottom: 10px;
    }
    
    input[type="input"] {
        padding: 10px 14px;
        font-size: 0.85rem;
        border-radius: 8px;
    }
    
    button {
        padding: 10px 18px;
        font-size: 0.85rem;
        border-radius: 8px;
    }
    
    .footer {
        font-size: 0.8rem;
        padding: 15px;
        border-radius: 10px;
        max-width: 650px;
    }
}

/* 平板设备 (768px - 1919px) - 一屏显示优化 */
@media (min-width: 768px) and (max-width: 1919px) {
    .container {
        max-width: 580px;
        padding: 25px;
        border-radius: 18px;
    }
    
    h1 {
        font-size: 1.6rem;
        margin-bottom: 18px;
    }
    
    .info-card {
        padding: 12px;
        margin-bottom: 10px;
        border-radius: 10px;
    }
    
    .info-label {
        font-size: 0.85rem;
        margin-bottom: 6px;
    }
    
    .info-value {
        font-size: 0.9rem;
    }
    
    .single-line {
        font-size: 0.85rem;
        line-height: 1.3;
    }
    
    .geo-grid {
        gap: 4px;
    }
    
    .geo-item {
        padding: 4px 0;
    }
    
    .geo-label {
        font-size: 0.8rem;
        min-width: 55px;
    }
    
    .geo-value {
        font-size: 0.85rem;
    }
    
    .links {
        gap: 10px;
        margin: 12px 0;
    }
    
    .link-btn {
        padding: 10px 14px;
        font-size: 0.85rem;
        border-radius: 8px;
    }
    
    .form-group {
        margin-top: 12px;
    }
    
    .input-group {
        gap: 10px;
        margin-bottom: 10px;
    }
    
    input[type="input"] {
        padding: 10px 14px;
        font-size: 0.9rem;
        border-radius: 8px;
    }
    
    button {
        padding: 10px 20px;
        font-size: 0.9rem;
        border-radius: 8px;
    }
    
    .footer {
        font-size: 0.8rem;
        padding: 15px;
        border-radius: 12px;
        max-width: 580px;
    }
}

/* 移动端设备 (600px以下) - 一屏显示优化 */
@media (max-width: 600px) {
    body {
        padding: 4px;
        min-height: 100vh;
        justify-content: flex-start;
    }
    
    .main-content {
        flex: none;
        width: 100%;
        padding-top: 5px;
    }
    
    .container {
        padding: 12px;
        border-radius: 10px;
        margin-bottom: 5px;
    }
    
    h1 {
        font-size: 1.2rem;
        margin-bottom: 8px;
        letter-spacing: -0.3px;
    }
    
    .header {
        margin-bottom: 12px;
    }
    
    .info-card {
        padding: 8px;
        margin-bottom: 6px;
        border-radius: 6px;
    }
    
    .info-label {
        font-size: 0.7rem;
        margin-bottom: 3px;
        font-weight: 600;
    }
    
    .info-value {
        font-size: 0.75rem;
        line-height: 1.3;
    }
    
    .geo-grid {
        gap: 2px;
    }
    
    .geo-item {
        padding: 3px 0;
        border-bottom: 1px solid #f3f4f6;
    }
    
    .geo-label {
        font-size: 0.65rem;
        min-width: 40px;
        margin-right: 6px;
        font-weight: 600;
    }
    
    .geo-value {
        font-size: 0.7rem;
    }
    
    .links {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
        margin: 8px 0;
    }
    
    .link-btn {
        padding: 6px 8px;
        font-size: 0.7rem;
        border-radius: 5px;
        min-height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .form-group {
        margin-top: 8px;
    }
    
    .input-group {
        flex-direction: column;
        gap: 6px;
        margin-bottom: 6px;
    }
    
    input[type="input"] {
        padding: 6px 8px;
        font-size: 0.75rem;
        border-radius: 5px;
        width: 100%;
        box-sizing: border-box;
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
        border: 1px solid #d1d5db;
    }
    
    button {
        padding: 6px 10px;
        font-size: 0.75rem;
        border-radius: 5px;
        white-space: nowrap;
        width: 100%;
    }
    
    .screenshot-btn {
        display: none;
    }
    
    .loading, .success-message, .error-message {
        font-size: 0.7rem;
        padding: 6px;
        margin: 4px 0;
    }
    
    .footer {
        margin-top: 5px;
        padding: 8px;
        font-size: 0.65rem;
        max-width: 100%;
        border-radius: 6px;
    }
}

/* 主流手机优化 (375px - 600px) */
@media (min-width: 375px) and (max-width: 600px) {
    .container {
        padding: 14px;
    }
    
    h1 {
        font-size: 1.3rem;
        margin-bottom: 10px;
    }
    
    .info-card {
        padding: 8px;
        margin-bottom: 6px;
    }
    
    .info-label {
        font-size: 0.7rem;
        margin-bottom: 3px;
    }
    
    .info-value {
        font-size: 0.75rem;
    }
    
    .single-line {
        font-size: 0.7rem;
        line-height: 1.2;
    }
    
    .geo-label {
        font-size: 0.65rem;
        min-width: 40px;
    }
    
    .geo-value {
        font-size: 0.7rem;
    }
    
    .links {
        gap: 6px;
        margin: 10px 0;
    }
    
    .link-btn {
        padding: 6px 8px;
        font-size: 0.7rem;
        min-height: 32px;
    }
    
    .input-group {
        flex-direction: column;
        gap: 6px;
        margin-bottom: 6px;
    }
    
    input[type="input"] {
        padding: 6px 8px;
        font-size: 0.75rem;
        width: 100%;
        box-sizing: border-box;
    }
    
    button {
        padding: 6px 10px;
        font-size: 0.75rem;
        width: 100%;
    }
}

/* 小屏手机 (320px - 374px) */
@media (min-width: 320px) and (max-width: 374px) {
    body {
        padding: 2px;
    }
    
    .container {
        padding: 8px;
        border-radius: 8px;
    }
    
    h1 {
        font-size: 1.1rem;
        margin-bottom: 6px;
    }
    
    .header {
        margin-bottom: 8px;
    }
    
    .info-card {
        padding: 5px;
        margin-bottom: 4px;
        border-radius: 5px;
    }
    
    .info-label {
        font-size: 0.6rem;
        margin-bottom: 2px;
    }
    
    .info-value {
        font-size: 0.65rem;
    }
    
    .single-line {
        font-size: 0.6rem;
        line-height: 1.1;
    }
    
    .geo-item {
        padding: 2px 0;
    }
    
    .geo-label {
        font-size: 0.55rem;
        min-width: 30px;
        margin-right: 4px;
    }
    
    .geo-value {
        font-size: 0.6rem;
    }
    
    .links {
        grid-template-columns: 1fr;
        gap: 4px;
        margin: 6px 0;
    }
    
    .link-btn {
        padding: 4px 5px;
        font-size: 0.6rem;
        min-height: 24px;
    }
    
    .input-group {
        flex-direction: column;
        gap: 4px;
        margin-bottom: 4px;
    }
    
    input[type="input"] {
        padding: 4px 5px;
        font-size: 0.65rem;
    }
    
    button {
        padding: 4px 6px;
        font-size: 0.65rem;
    }
    
    .footer {
        padding: 6px;
        font-size: 0.6rem;
        border-radius: 5px;
        margin-top: 3px;
    }
}

/* 超小屏手机 (320px以下) */
@media (max-width: 319px) {
    body {
        padding: 1px;
    }
    
    .container {
        padding: 6px;
        border-radius: 6px;
    }
    
    h1 {
        font-size: 1rem;
        margin-bottom: 4px;
    }
    
    .header {
        margin-bottom: 6px;
    }
    
    .info-card {
        padding: 4px;
        margin-bottom: 3px;
        border-radius: 4px;
    }
    
    .info-label {
        font-size: 0.55rem;
        margin-bottom: 1px;
    }
    
    .info-value {
        font-size: 0.6rem;
    }
    
    .single-line {
        font-size: 0.55rem;
        line-height: 1.0;
    }
    
    .geo-item {
        padding: 1px 0;
    }
    
    .geo-label {
        font-size: 0.5rem;
        min-width: 25px;
        margin-right: 3px;
    }
    
    .geo-value {
        font-size: 0.55rem;
    }
    
    .links {
        grid-template-columns: 1fr;
        gap: 3px;
        margin: 4px 0;
    }
    
    .link-btn {
        padding: 3px 4px;
        font-size: 0.55rem;
        min-height: 20px;
    }
    
    .input-group {
        flex-direction: column;
        gap: 3px;
        margin-bottom: 3px;
    }
    
    input[type="input"] {
        padding: 3px 4px;
        font-size: 0.6rem;
    }
    
    button {
        padding: 3px 5px;
        font-size: 0.6rem;
    }
    
    .footer {
        padding: 4px;
        font-size: 0.55rem;
        border-radius: 4px;
        margin-top: 2px;
    }
}

/* iPhone 专用优化 */
@supports (-webkit-touch-callout: none) {
    /* iPhone Safari 专用样式 */
    @media (max-width: 600px) {
        body {
            /* 使用动态视口高度，避免地址栏影响 */
            min-height: 100dvh;
            padding: 2px;
        }
        
        .main-content {
            padding-top: 2px;
        }
        
        .container {
            padding: 8px;
            margin-bottom: 3px;
        }
        
        .footer {
            margin-top: 3px;
            padding: 6px;
        }
        
        /* 移动端隐藏截图按钮 */
        .screenshot-btn {
            display: none !important;
        }
        
        /* 移动端简化用户代理显示 */
        .info-card:nth-child(4) .info-value {
            font-size: 0.65rem;
            line-height: 1.2;
            max-height: 2.4em;
            overflow: hidden;
            text-overflow: ellipsis;
        }
    }
    
    @media (max-width: 374px) {
        body {
            padding: 1px;
        }
        
        .container {
            padding: 6px;
        }
        
        .footer {
            padding: 4px;
            margin-top: 2px;
        }
        
        /* 超小屏隐藏部分信息 */
        .info-card:nth-child(4) {
            display: none;
        }
        
        .links {
            display: none;
        }
    }
}

/* 移动端一屏显示优化 - 隐藏不必要的元素 */
@media (max-width: 600px) and (max-height: 700px) {
    .footer {
        display: none;
    }
    
    .links {
        display: none;
    }
    
    .screenshot-btn {
        display: none !important;
    }
    
    .info-card:nth-child(4) .info-value {
        max-height: 1.8em;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* 超小屏一屏显示优化 */
@media (max-width: 374px) and (max-height: 600px) {
    .footer {
        display: none;
    }
    
    .links {
        display: none;
    }
    
    .info-card:nth-child(4) {
        display: none;
    }
    
    .info-card:nth-child(5) {
        display: none;
    }
    
    .form-group {
        margin-top: 4px;
    }
}