/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@700;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700&display=swap');

:root {
    --primary-blue: #0066ff;
    --primary-dark: #0052cc;
    --secondary-blue: #3385ff;
    --light-blue: #f0f6ff;
    --dark-blue: #004099;
    --background: #f7f9fc;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--background);
    color: var(--gray-900);
    line-height: 1.5;
    min-height: 100vh;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* Header Styles */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background-color: var(--white);
    border-radius: 16px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    margin-bottom: 24px;
    background: #FFFFFF;
    border-bottom: 2px solid rgba(0, 102, 255, 0.1);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    padding: 6px;
    transition: all 0.3s ease;
    transform-origin: left center;
}

.logo img {
    width: 48px;
    height: 48px;
    filter: drop-shadow(0 0 8px rgba(0, 102, 255, 0.3));
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.logo:hover img {
    transform: translateY(-2px) rotate(2deg);
    filter: drop-shadow(0 0 12px rgba(0, 102, 255, 0.5));
}

.logo-text {
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: 32px;
    letter-spacing: -0.5px;
    color: #0066FF;
    text-shadow: 1px 1px 6px rgba(0, 102, 255, 0.2);
    transition: all 0.3s ease;
}

.logo:hover .logo-text {
    color: #0066FF;
    text-shadow: 2px 2px 8px rgba(0, 102, 255, 0.4);
    transform: translateY(-1px);
}

.header-left h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 1px;
}

.header-left h1 .blue {
    font-family: 'Orbitron', sans-serif;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 600;
}

.header-left h1 .check {
    font-family: 'Montserrat', sans-serif;
    color: var(--gray-800);
    font-weight: 700;
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.announcement {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background-color: var(--light-blue);
    border-radius: 100px;
    color: var(--primary-blue);
    font-size: 14px;
}

.announcement i {
    font-size: 16px;
}

.announcement a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
}

.announcement a:hover {
    text-decoration: underline;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-balance {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-blue);
    font-weight: 500;
}

.user-balance i {
    font-size: 18px;
}

/* Main Content Styles */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.card-check-section {
    background-color: var(--white);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.title-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.title-group h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
}

.subtitle {
    color: var(--gray-500);
    font-size: 14px;
}

.interface-selector {
    position: relative;
    width: 300px;
}

.interface-selector i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
    font-size: 18px;
}

.select-interface {
    width: 100%;
    padding: 10px 12px 10px 36px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    background-color: var(--white);
    color: var(--gray-800);
    font-size: 14px;
    appearance: none;
    cursor: pointer;
}

.select-interface:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px var(--light-blue);
}

.input-area {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

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

.format-info,
.card-count {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-500);
    font-size: 14px;
}

.format-info i,
.card-count i {
    font-size: 16px;
}

textarea {
    width: 100%;
    height: 180px;
    padding: 16px;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    resize: vertical;
    font-family: monospace;
    font-size: 14px;
    background-color: var(--white);
    color: var(--gray-900);
}

textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px var(--light-blue);
}

.input-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
}

.progress-container {
    margin: 16px 0;
    padding: 16px;
    background-color: var(--gray-50);
    border-radius: 12px;
    border: 1px solid var(--gray-200);
}

.progress-header {
    margin-bottom: 16px;
}

.progress-status {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-blue);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 12px;
    height: 20px;
}

.progress-status span {
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.progress-status i {
    font-size: 16px;
    animation: pulse 1s ease-in-out infinite;
}

.progress-numbers {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.progress-count {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
}

.count-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.count-label {
    color: var(--gray-600);
    font-weight: 500;
}

.count-value {
    font-weight: 600;
    font-family: monospace;
}

.count-value.success {
    color: var(--success);
}

.count-value.danger {
    color: var(--danger);
}

.count-value.warning {
    color: var(--warning);
}

.count-separator {
    width: 1px;
    height: 20px;
    background-color: var(--gray-200);
}

.count-item.total .count-value {
    color: var(--primary-blue);
}

.progress-percent {
    padding: 2px 8px;
    background-color: var(--light-blue);
    color: var(--primary-blue);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--gray-200);
    border-radius: 100px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 100px;
    transition: width 0.3s ease;
}

@keyframes pulse {
    0% { 
        opacity: 0.3;
        transform: scale(0.95);
    }
    50% { 
        opacity: 1;
        transform: scale(1.05);
    }
    100% { 
        opacity: 0.3;
        transform: scale(0.95);
    }
}

.action-buttons {
    display: flex;
    gap: 8px;
}

.btn-pause,
.btn-stop {
    padding: 10px 20px;
    font-size: 14px;
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    color: var(--gray-600);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn-pause:not(:disabled):hover {
    background-color: var(--light-blue);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.btn-stop:not(:disabled):hover {
    background-color: #fff2f2;
    border-color: var(--danger);
    color: var(--danger);
}

.btn-pause:disabled,
.btn-stop:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-clear {
    padding: 6px;
    font-size: 16px;
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    color: var(--gray-600);
    border-radius: 6px;
}

.btn-clear:hover:not(:disabled) {
    background-color: var(--gray-50);
    border-color: var(--gray-300);
    color: var(--danger);
}

.status-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-500);
    font-size: 14px;
}

.status-info i {
    font-size: 16px;
}

/* Results Grid Styles */
.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.result-box {
    background-color: var(--white);
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.result-header {
    padding: 12px 16px;
    background-color: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-title i {
    font-size: 18px;
}

.live .header-title i {
    color: var(--success);
}

.dead .header-title i {
    color: var(--danger);
}

.error .header-title i {
    color: var(--warning);
}

.result-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
}

.actions {
    display: flex;
    gap: 8px;
}

.result-content {
    padding: 16px;
    min-height: 180px;
    max-height: 300px;
    overflow-y: auto;
}

.result-content.empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--gray-400);
}

.result-content.empty i {
    font-size: 32px;
}

.result-item {
    padding: 10px 12px;
    border-radius: 6px;
    background-color: var(--gray-50);
    margin-bottom: 8px;
    font-size: 13px;
    font-family: monospace;
    word-break: break-all;
}

/* Button Styles */
button {
    padding: 8px 16px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

button i {
    font-size: 16px;
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-login {
    background-color: var(--primary-blue);
    color: var(--white);
}

.btn-login:hover:not(:disabled) {
    background-color: var(--primary-dark);
}

.btn-language {
    background-color: var(--light-blue);
    color: var(--primary-blue);
}

.btn-language:hover:not(:disabled) {
    background-color: var(--primary-blue);
    color: var(--white);
}

.btn-check {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 10px 20px;
}

.btn-check:hover:not(:disabled) {
    background-color: var(--primary-dark);
}

.btn-copy,
.btn-export {
    padding: 6px;
    font-size: 16px;
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    color: var(--gray-600);
    border-radius: 6px;
}

.btn-copy:hover:not(:disabled),
.btn-export:hover:not(:disabled) {
    background-color: var(--gray-50);
    border-color: var(--gray-300);
    color: var(--gray-800);
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* System Announcement */
.system-announcement {
    background-color: var(--white);
    border-radius: 16px;
    padding: 12px 24px;
    margin-bottom: 16px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.announcement-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.welcome-message {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-800);
    font-size: 14px;
    font-weight: 500;
}

.welcome-message i {
    color: var(--primary-blue);
    font-size: 16px;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-600);
    font-size: 14px;
}

.system-status i {
    color: var(--success);
    font-size: 16px;
}

.status-badge {
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.online {
    background-color: #ecfdf5;
    color: var(--success);
}

.status-badge.maintenance {
    background-color: #fff7ed;
    color: var(--warning);
}

.status-badge.offline {
    background-color: #fef2f2;
    color: var(--danger);
}

/* Ad Container Styles */
.ad-container,
.banner-container,
.bottom-banner-container {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    padding: 0;
}

.ad-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.banner-container {
    margin-bottom: 24px;
}

.bottom-banner-container {
    margin-top: 24px;
    margin-bottom: 80px;
}

.ad-box,
.banner-ad {
    height: 100px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 12px;
    padding: 2px;
    transition: transform 0.3s ease;
}

.ad-box:hover,
.banner-ad:hover {
    transform: translateY(-2px);
}

.ad-content,
.banner-content {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    text-decoration: none;
}

.ad-placeholder,
.banner-placeholder {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    gap: 4px;
    border-radius: 10px;
    transition: all 0.3s ease;
    padding: 12px;
}

.ad-placeholder:hover,
.banner-placeholder:hover {
    background-color: var(--gray-50);
}

.ad-placeholder i,
.banner-placeholder i {
    font-size: 24px;
    color: var(--primary-blue);
}

.ad-placeholder span,
.banner-placeholder span {
    color: var(--gray-800);
    font-size: 14px;
    font-weight: 500;
    text-align: center;
}

.ad-placeholder small,
.banner-placeholder small {
    color: var(--gray-500);
    font-size: 12px;
    text-align: center;
}

/* Telegram Float Styles */
.telegram-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1000;
}

.telegram-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: linear-gradient(135deg, #0088cc, #00a0e6);
    border-radius: 100px;
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    box-shadow: 0 4px 6px rgba(0, 136, 204, 0.1);
    transition: all 0.3s ease;
}

.telegram-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 136, 204, 0.2);
}

.telegram-btn i {
    font-size: 20px;
}

/* Remove old social links styles */
.social-links,
.telegram-link,
.telegram-content,
.telegram-icon,
.telegram-text {
    display: none;
}

/* Bottom Banner Styles */
.bottom-banner-container .banner-ad {
    width: 100%;
}

/* Modal Styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1100;
    display: none;
    justify-content: center;
    align-items: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background-color: var(--white);
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin: 20px;
    animation: modalSlideIn 0.3s ease;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
}

.modal-close {
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

.modal-close i {
    font-size: 24px;
}

.modal-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--gray-700);
    font-weight: 500;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i {
    position: absolute;
    left: 12px;
    color: var(--gray-500);
    font-size: 18px;
}

.input-wrapper input {
    width: 100%;
    padding: 10px 12px 10px 36px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 14px;
    color: var(--gray-900);
    background-color: var(--white);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px var(--light-blue);
}

.login-error {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background-color: #fef2f2;
    border-radius: 8px;
    color: var(--danger);
    margin-bottom: 16px;
}

.login-error i {
    font-size: 18px;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-submit:hover {
    background-color: var(--primary-dark);
}

.btn-submit i {
    font-size: 18px;
}

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

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 1000;
    animation: slideIn 0.3s ease-out;
}

.notification i {
    font-size: 18px;
}

.notification.success {
    background: #e8f5e9;
    color: #2e7d32;
    border-left: 4px solid #2e7d32;
}

.notification.info {
    background: #e3f2fd;
    color: #1976d2;
    border-left: 4px solid #1976d2;
}

.notification.error {
    background: #fdecea;
    color: #d32f2f;
    border-left: 4px solid #d32f2f;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Logo Styles */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    padding: 6px;
    transition: all 0.3s ease;
    transform-origin: left center;
}

.logo img {
    width: 48px;
    height: 48px;
    filter: drop-shadow(0 0 8px rgba(0, 102, 255, 0.3));
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.logo:hover img {
    transform: translateY(-2px) rotate(2deg);
    filter: drop-shadow(0 0 12px rgba(0, 102, 255, 0.5));
}

.logo-text {
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: 32px;
    letter-spacing: -0.5px;
    color: #0066FF;
    text-shadow: 1px 1px 6px rgba(0, 102, 255, 0.2);
    transition: all 0.3s ease;
}

.logo:hover .logo-text {
    color: #0066FF;
    text-shadow: 2px 2px 8px rgba(0, 102, 255, 0.4);
    transform: translateY(-1px);
}

/* 导航栏间距 */
.main-header > *:not(.logo) {
    margin-left: 12px;
}

/* 语言切换按钮样式 */
.language-switch {
    display: flex;
    gap: 8px;
    margin-left: 16px;
}

.btn-lang {
    padding: 4px 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-lang:hover {
    background: #f0f0f0;
}

.btn-lang.active {
    background: #007bff;
    color: white;
    border-color: #0056b3;
}

/* 自定义对话框样式 */
.custom-dialog {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.dialog-content {
    background-color: #fff;
    border-radius: 12px;
    padding: 24px;
    min-width: 300px;
    max-width: 90%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: dialogFadeIn 0.2s ease-out;
}

.dialog-message {
    font-size: 16px;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
    line-height: 1.5;
}

.dialog-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.dialog-buttons button {
    padding: 8px 24px;
    border-radius: 6px;
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.dialog-buttons .btn-confirm {
    background-color: #007bff;
    color: white;
}

.dialog-buttons .btn-confirm:hover {
    background-color: #0056b3;
}

.dialog-buttons .btn-cancel {
    background-color: #e9ecef;
    color: #495057;
}

.dialog-buttons .btn-cancel:hover {
    background-color: #dee2e6;
}

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

.main-header > *:not(.logo) {
    opacity: 0.9;
}

/* 响应式设计 */
@media screen and (max-width: 1200px) {
    .app-container {
        padding: 16px;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    .main-header {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
    }

    .header-center {
        width: 100%;
    }

    .header-right {
        width: 100%;
        justify-content: space-between;
    }

    .interface-selector {
        width: 100%;
    }

    .ad-container {
        grid-template-columns: 1fr;
    }

    .bottom-banner-container {
        margin-bottom: 60px;
    }

    .ad-box,
    .banner-ad {
        height: 100px;
    }

    .ad-placeholder i,
    .banner-placeholder i {
        font-size: 20px;
    }

    .ad-placeholder span,
    .banner-placeholder span {
        font-size: 13px;
    }

    .ad-placeholder small,
    .banner-placeholder small {
        font-size: 11px;
    }
}

@media screen and (max-width: 480px) {
    .logo-text {
        font-size: 24px;
    }

    .announcement {
        font-size: 12px;
        padding: 6px 12px;
    }

    .card-check-section {
        padding: 16px;
    }
}

/* 错误状态样式 */
.input-error {
    border-color: var(--danger) !important;
    animation: shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes shake {
    10%, 90% {
        transform: translate3d(-1px, 0, 0);
    }
    20%, 80% {
        transform: translate3d(2px, 0, 0);
    }
    30%, 50%, 70% {
        transform: translate3d(-4px, 0, 0);
    }
    40%, 60% {
        transform: translate3d(4px, 0, 0);
    }
}

.error-message {
    color: var(--danger);
    font-size: 12px;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.error-message i {
    font-size: 14px;
}

/* 加载状态样式 */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-blue);
    border-top-color: transparent;
    border-radius: 50%;
    animation: loading-spinner 0.6s linear infinite;
}

@keyframes loading-spinner {
    to {
        transform: rotate(360deg);
    }
}

/* 无障碍支持 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}