/* Viettel Official Style CSS */
/* 模仿官方网站的专业设计风格 */

/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #e6f3ff 0%, #f0f8ff 50%, #e6f7ff 100%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 定义颜色变量 */
:root {
    --primary-color: #0d7df7;        /* Viettel蓝 */
    --primary-dark: #0b6ad6;
    --primary-light: #e6f3ff;
    --secondary-color: #64748b;
    --success-color: #059669;
    --warning-color: #d97706;
    --error-color: #dc2626;
    --border-color: #e2e8f0;
    --background-light: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* Header */
.header {
    background: white;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-top {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 1rem 0;
    margin-left: -12rem;
}

.logo-section {
    display: flex;
    align-items: center;
    margin-left: 2rem;
}

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

.logo-icon {
    width: 48px;
    height: 48px;
    background: transparent;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.logo-text h1 {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.header-actions {
    display: none;
}

.header-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-outline {
    color: white;
    border: 1px solid var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.btn-outline:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(13, 125, 247, 0.3);
}

/* Referral Notification */
.referral-notification {
    background: linear-gradient(135deg, #059669, #047857);
    color: white;
    padding: 1rem;
    margin-top: 1rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 12px;
}

.notification-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-content strong {
    display: block;
    margin-bottom: 4px;
}

.notification-detail {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 3rem 0;
}

.hero-content {
    text-align: left;
    max-width: 800px;
    margin: 0;
    margin-left: 2rem;
}

.hero-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle-container {
    display: flex;
    flex-direction: row;
    gap: 2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-subtitle-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: flex-start;
}

.hero-subtitle-icon {
    width: 16px;
    height: 16px;
    object-fit: contain;
}

.hero-subtitle-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    white-space: nowrap;
}

.trust-indicators {
    display: flex;
    justify-content: flex-start;
    gap: 2rem;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    flex: 1;
    min-width: 0;
}

.trust-item i {
    font-size: 1.25rem;
}

.trust-item-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.trust-item span {
    font-weight: 500;
}

.trust-items-container {
    display: contents;
}

.trust-banner-image {
    display: none;
}

/* Main Content */
.main-content {
    padding: 3rem 0 1.5rem 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

/* Form Section */
.form-section {
    background: white;
}

.form-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.form-header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.form-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.recharge-form {
    padding: 2rem;
}

.form-step {
    margin-bottom: 2.5rem;
}

.form-step:last-child {
    margin-bottom: 0;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

/* 当step-number是图片时的样式 */
.step-number img,
img.step-number {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 0;
    background: none;
}

/* 第一步为图片的样式 */
.form-step:first-child .step-number {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.step-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.step-info p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.input-wrapper {
    position: relative;
}

.input-wrapper input {
    width: 100%;
    padding: 0.75rem 1rem;
    padding-right: 3rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.2s ease;
    background: white;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 125, 247, 0.1);
}

.input-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.input-help {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Supported Operators */
.supported-operators {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--background-light);
    border-radius: var(--radius-md);
}

.supported-operators h5 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.operators-grid {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    width: 100%;
}

.operator-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    text-align: center;
    flex: 1;
    min-width: 0;
    max-width: 20%;
}

.operator-logo {
    width: 100%;
    max-width: 40px;
    aspect-ratio: 1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: clamp(8px, 1.5vw, 12px);
    color: white;
    min-width: 25px;
}

.operator-logo.viettel {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.operator-logo.vinaphone {
    background: linear-gradient(135deg, #3498db, #2980b9);
}

.operator-logo.mobifone {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
}

.operator-logo.vietnamobile {
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.operator-logo.gmobile {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
}

.operator-logo.custom {
    background: white;
    border: 2px solid #e9ecef;
    overflow: hidden;
    position: relative;
}

.operator-logo.custom img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    background: white;
    padding: 2px;
}

/* 为长方形图片提供更好的显示效果 */
.operator-logo.rectangular {
    background: white;
    border: 2px solid #e9ecef;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.operator-logo.rectangular img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
}

/* 正方形图片样式 */
.operator-logo.square {
    background: white;
    border: 2px solid #e9ecef;
    overflow: hidden;
    position: relative;
}

.operator-logo.square img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    background: white;
    padding: 3px;
}

.operator-item span {
    font-size: clamp(10px, 2vw, 12px);
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

/* Package Grid */
.packages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.package-card {
    position: relative;
}

.package-card input[type="radio"] {
    display: none;
}

.package-label {
    display: block;
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
    position: relative;
}

.package-label:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.package-card input[type="radio"]:checked + .package-label {
    border-color: var(--primary-color);
    background: var(--primary-light);
    box-shadow: var(--shadow-md);
}

.package-header {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.package-title h5 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.package-code {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--background-light);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.package-badge {
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 60px;
    object-fit: contain;
    z-index: 10;
}

.package-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.package-amounts {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.amount-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.amount-item.bonus {
    color: var(--success-color);
}

.amount-item.total {
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
    margin-top: 0.5rem;
    font-weight: 600;
}

.amount-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.amount-value {
    font-weight: 600;
    color: var(--text-primary);
}

.package-schedule {
    background: var(--background-light);
    padding: 1rem;
    border-radius: var(--radius-md);
}

.schedule-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.schedule-item:last-child {
    margin-bottom: 0;
}

.schedule-item i {
    color: var(--primary-color);
    width: 16px;
}

.schedule-item span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.schedule-item.immediate {
    color: var(--success-color);
}

.schedule-item.immediate i {
    color: var(--success-color);
}

/* Form Actions */
.form-actions {
    margin-top: 2rem;
    text-align: center;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 200px;
    justify-content: center;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
}

.security-note {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.security-note i {
    color: var(--success-color);
}

/* Info Section */
.info-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.info-header {
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.info-header i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.info-header h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Payment Methods */
.payment-methods {
    padding: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.payment-method {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.payment-method:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.payment-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.payment-icon-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.payment-icon-fallback {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.payment-icon-fallback.momo {
    background: linear-gradient(135deg, #d946ef, #c026d3);
}

.payment-icon-fallback.zalopay {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
}

.payment-icon-fallback.bank {
    background: linear-gradient(135deg, #059669, #047857);
}

.payment-icon-fallback.card {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

.payment-icon-fallback.viettel {
    background: linear-gradient(135deg, #e11d48, #be185d);
}

.payment-icon-fallback.scratch {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.payment-icon-fallback.default {
    background: linear-gradient(135deg, #6b7280, #4b5563);
}

.payment-icon.momo {
    background: linear-gradient(135deg, #d946ef, #c026d3);
}

.payment-icon.zalopay {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
}

.payment-icon.bank {
    background: linear-gradient(135deg, #059669, #047857);
}

.payment-icon.card {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

.payment-icon.viettel {
    background: linear-gradient(135deg, #e11d48, #be185d);
}

.payment-icon.scratch {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.payment-method span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
}

.payment-method.recommended {
    position: relative;
    border: 2px solid var(--primary-color);
    background: rgba(102, 126, 234, 0.05);
}

.recommended-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--primary-color);
    color: white;
    font-size: 0.6rem;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}

.no-payment-methods {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* 支付方式选择 */
.payment-methods-selection {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.payment-method-card {
    position: relative;
}

.payment-method-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.payment-method-label {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    gap: 1rem;
}

.payment-method-label:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.1);
    transform: translateY(-2px);
}

.payment-method-card input[type="radio"]:checked + .payment-method-label {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f8f9ff, #e8f4ff);
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.2);
}

.payment-method-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.payment-method-icon .payment-icon-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.payment-method-icon .payment-icon-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    border-radius: 12px;
}

.payment-method-info {
    flex: 1;
    min-width: 0;
}

.payment-method-info h5 {
    margin: 0 0 0.25rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.payment-method-info p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.payment-method-info .recommended-badge {
    display: inline-block;
    margin-top: 0.5rem;
    position: relative;
    top: auto;
    right: auto;
}

/* Features List */
.features-list {
    padding: 1.5rem 1.5rem 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 0.25rem;
}

.feature-item i {
    color: var(--primary-color);
    font-size: 1.125rem;
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.feature-content strong {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.feature-content span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Stats Grid */
.stats-grid {
    padding: 1.5rem 1.5rem 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.stats-title, .features-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}



.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--background-light);
    border-radius: var(--radius-md);
    text-align: left;
}

.stat-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #0d7df7 0%, #0b6ad6 50%, #094db8 100%);
    color: white;
    margin-top: 1.5rem;
}

.footer-content {
    padding: 3rem 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h5 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: flex-start;
}

.social-link {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0.75rem !important;
    background: transparent !important;
    border-radius: var(--radius-md) !important;
    transition: all 0.2s ease !important;
    text-decoration: none !important;
    color: rgba(255, 255, 255, 0.8) !important;
    width: 48px !important;
    height: 48px !important;
}

.social-link:hover {
    background: var(--primary-color) !important;
    transform: translateY(-2px) !important;
    color: white !important;
}

.social-link i {
    font-size: 1.5rem !important;
    display: block !important;
    line-height: 1 !important;
}

.social-link span {
    display: none !important;
}

.footer-bottom {
    padding: 1.5rem 2rem;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  text-align: center;
  width: 100%;
  box-sizing: border-box; /* 确保 padding 不增加总宽度 */
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.loading-content {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

/* 移动端响应式 */
@media (max-width: 768px) {
    .social-links {
        gap: 1rem !important;
        flex-wrap: wrap !important;
        justify-content: flex-start !important;
    }
    
    .social-link {
        width: 40px !important;
        height: 40px !important;
        padding: 0.5rem !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    .social-link i {
        font-size: 1.25rem !important;
        display: block !important;
        line-height: 1 !important;
    }
    
    .social-link span {
        display: none !important;
    }
}

.loading-content p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
}

.modal-header {
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--background-light);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 1.6rem;
    }
    
    .hero-subtitle-container {
        gap: 1rem;
        flex-direction: column;
    }
    
    .hero-subtitle-item {
        gap: 0.4rem;
    }
    
    .hero-subtitle-icon {
        width: 14px;
        height: 14px;
    }
    
    .hero-subtitle-text {
        font-size: 0.875rem;
        white-space: normal;
    }
    
    .trust-indicators {
        gap: 1rem;
        flex-direction: row;
        align-items: flex-start;
    }
    
    .trust-items-container {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        flex: 1;
    }
    
    .trust-item {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
        width: auto;
        max-width: 280px;
    }
    
    .trust-banner-image {
        display: block;
        flex-shrink: 0;
        margin-left: 1rem;
        margin-top: 2rem;
    }
    
    .trust-banner-img {
        width: 126px;
        height: auto;
        object-fit: contain;
    }
    
    .trust-item-icon {
        width: 16px;
        height: 16px;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-header,
    .recharge-form {
        padding: 1.5rem;
    }
    
    .step-header {
        flex-direction: row;
        align-items: center;
        gap: 1rem;
    }
    
    .operators-grid {
        gap: 0.3rem;
    }
    
    .payment-methods {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .payment-methods-selection {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .payment-method-label {
        padding: 0.75rem;
        gap: 0.75rem;
    }
    
    .payment-method-icon {
        width: 40px;
        height: 40px;
    }
    
    .payment-method-icon .payment-icon-fallback {
        font-size: 1.2rem;
    }
    
    .payment-method-info h5 {
        font-size: 1rem;
    }
    
    .payment-method-info p {
        font-size: 0.85rem;
    }
    
    .packages-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stats-grid {
        gap: 0.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: left;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero-content {
        text-align: left;
        margin-left: 1rem;
    }
    
    .main-content {
        padding: 2rem 0 1rem 0;
    }
}

@media (max-width: 480px) {
    .header-top {
        flex-direction: column;
        gap: 1rem;
        text-align: left;
    }
    
    .logo-section {
        margin-left: 1rem;
    }
    
    .logo {
        justify-content: flex-start;
    }
    
    .hero-title {
        font-size: 1.4rem;
    }
    
    .hero-content {
        margin-left: 0.5rem;
    }
    
    .trust-indicators {
        flex-direction: row;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .trust-items-container {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        flex: 1;
    }
    
    .trust-banner-image {
        display: block;
        flex-shrink: 0;
        margin-left: 1rem;
        margin-top: 2rem;
    }
    
    .trust-banner-img {
        width: 126px;
        height: auto;
        object-fit: contain;
    }
    
    .operators-grid {
        gap: 0.2rem;
    }
    
    .payment-methods {
        grid-template-columns: 1fr;
    }
    
    .form-header,
    .recharge-form {
        padding: 1rem;
    }
    
    .btn-primary {
        width: 100%;
    }
}

/* 运营商检测样式兼容 */
#operatorDisplay {
    margin-top: 1rem;
}

#operatorDisplay.detected {
    padding: 1rem;
    background: var(--primary-light);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

#operatorDisplay.error {
    padding: 1rem;
    background: #fef2f2;
    border: 2px solid var(--error-color);
    border-radius: var(--radius-md);
    color: var(--error-color);
}

.operator-display-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.75rem;
    color: white;
}

.operator-display-info {
    flex: 1;
}

.operator-display-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.operator-display-status {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.package-card input[type="radio"]:checked + .package-label {
    animation: fadeIn 0.3s ease;
}

/* 确保所有交互元素都有适当的大小 */
button, input[type="radio"], input[type="tel"], .package-label, .btn {
    min-height: 44px;
}

/* 提升可访问性 */
.package-card input[type="radio"]:focus + .package-label {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 隐藏指定区域 */
.info-header {
    display: none !important;
}

.payment-methods {
    display: none !important;
}

/* 套餐标题居中显示，向右偏移 */
.package-title h5 {
    text-align: center;
    text-indent: 2rem;
}

/* 奖金数值样式调整 */
.amount-item.bonus .amount-value {
    font-size: 1.2em;
    margin-left: 5rem;
}