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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    min-height: 100vh;
    position: relative;
    background: url('../img/blackground.png') center center/cover no-repeat fixed;
}















/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 191, 255, 0.15), inset 0 1px 1px rgba(255, 255, 255, 0.3);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 191, 255, 0.3);
    border-top: 1px solid rgba(135, 206, 250, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

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

.logo-icon {
    width: 80px;
    height: 80px;
    object-fit: contain;
    transition: transform 0.3s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    filter: drop-shadow(0 2px 4px rgba(0, 191, 255, 0.1));
}

.logo-icon:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 8px rgba(0, 191, 255, 0.2));
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 18px;
    font-weight: 600;
    background: linear-gradient(135deg, #0077be, #00bfff, #4682b4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 10px rgba(0, 191, 255, 0.3);
}

.logo-subtitle {
    font-size: 12px;
    color: #5a6c7d;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: #2c3e50;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid transparent;
}

.nav-link:hover {
    color: #0077be;
    background: rgba(0, 191, 255, 0.1);
    border: 1px solid rgba(0, 191, 255, 0.3);
    text-shadow: 0 0 8px rgba(0, 191, 255, 0.4);
    box-shadow: 0 0 15px rgba(0, 191, 255, 0.2);
}

.nav-link.active {
    color: #4682b4;
    background: rgba(135, 206, 250, 0.15);
    border: 1px solid rgba(135, 206, 250, 0.4);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(135, 206, 250, 0.5);
    box-shadow: 0 0 20px rgba(135, 206, 250, 0.3);
}

.language-selector {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    color: #5a6c7d;
    transition: all 0.3s ease;
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid rgba(0, 191, 255, 0.2);
}

.language-selector:hover {
    color: #0077be;
    border: 1px solid rgba(0, 191, 255, 0.4);
    text-shadow: 0 0 6px rgba(0, 191, 255, 0.3);
    background: rgba(0, 191, 255, 0.05);
}

/* 主要内容 */
.main-content {
    margin-top: 70px;
    padding: 40px 20px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

/* 步骤指示器 */
.steps-container {
    margin-bottom: 30px;
    text-align: center;
    padding: 30px 30px 20px;
    position: relative;
    border-bottom: 1px solid rgba(0, 191, 255, 0.2);
    /* 确保容器不会裁剪放大后的圆点 */
    overflow: visible;
}

/* .steps-container::before 已移除，因为现在在卡片内部 */

@keyframes coolBorder {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

.steps-title {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #0077be, #00bfff, #4682b4, #5f9ea0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 100%;
    animation: coolText 2s ease-in-out infinite alternate;
    margin-bottom: 40px;
    text-shadow: 0 0 15px rgba(0, 191, 255, 0.3), 0 0 30px rgba(135, 206, 250, 0.2);
}

@keyframes coolText {
    0% { 
        background-position: 0% 50%;
        filter: hue-rotate(0deg);
    }
    100% { 
        background-position: 100% 50%;
        filter: hue-rotate(30deg);
    }
}

.steps-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap;
    gap: 15px;
    margin-bottom: 20px;
    position: relative;
    overflow-x: auto;
    /* 确保不会裁剪放大后的圆点 */
    overflow-y: visible;
    padding: 10px 0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    min-width: 120px;
    position: relative;
    z-index: 2;
    /* 确保所有步骤容器的高度一致，防止文字换行影响圆点对齐 */
    min-height: 100px;
    align-items: center;
    justify-content: flex-start;
    /* 为放大后的圆点留出空间 */
    padding: 10px 5px 0;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f5f5f5, #e0e0e0);
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.4s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 3px solid #fff;
    position: relative;
    overflow: hidden;
    /* 确保圆点在容器中保持固定位置 */
    flex-shrink: 0;
}

.step-number::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.4s ease;
}

.step.active .step-number {
    background: linear-gradient(135deg, #0077be, #00bfff);
    color: white !important;
    transform: scale(1.1);
    box-shadow: 
        0 0 25px rgba(0, 191, 255, 0.5),
        0 0 40px rgba(135, 206, 250, 0.3),
        inset 0 1px 1px rgba(255, 255, 255, 0.3);
    z-index: 3;
    position: relative;
    border: 2px solid rgba(0, 191, 255, 0.4);
}

.step.active .step-number::before {
    opacity: 0;
    transform: scale(1);
}

.step.active .step-number::after {
    content: attr(data-step);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: 700;
    z-index: 4;
}

.step-text {
    font-size: 13px;
    color: #5a6c7d;
    text-align: center;
    max-width: 90px;
    font-weight: 500;
    line-height: 1.3;
    transition: all 0.3s ease;
    /* 确保文字换行时不影响圆点位置 */
    flex-grow: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    word-wrap: break-word;
    hyphens: auto;
}

.step.active .step-text {
    color: #0077be;
    font-weight: 600;
    transform: translateY(-2px);
    text-shadow: 0 0 8px rgba(0, 191, 255, 0.4);
}

.step-line {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #e0e0e0, #f0f0f0, #e0e0e0);
    margin: 0 5px;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.step-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(26, 115, 232, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* 充值表单区域 */
.recharge-container {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    box-shadow: 
        0 8px 32px rgba(0, 191, 255, 0.1),
        0 0 60px rgba(135, 206, 250, 0.08),
        inset 0 1px 1px rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(0, 191, 255, 0.2);
    margin-bottom: 40px;
    overflow: visible;
    position: relative;
}

.recharge-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #0077be, #00bfff, #4682b4, transparent);
    background-size: 200% 100%;
    animation: coolBorder 4s linear infinite;
}

.recharge-form {
    padding: 40px;
}

.form-section {
    margin-bottom: 32px;
}

.form-section:first-child {
    margin-top: 10px;
}

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

.section-title {
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 16px;
    text-shadow: 0 0 8px rgba(0, 191, 255, 0.2);
}

.section-description {
    color: #5a6c7d;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 20px;
}

/* 云服务商选择 */
.cloud-providers {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.provider-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border: 1px solid rgba(0, 191, 255, 0.3);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    color: #2c3e50;
}

.provider-option:hover {
    border-color: rgba(0, 191, 255, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 191, 255, 0.2);
    text-shadow: 0 0 6px rgba(0, 191, 255, 0.3);
    background: rgba(0, 191, 255, 0.1);
}

.provider-option.active {
    border-color: #0077be;
    border-width: 2px;
    background: rgba(0, 119, 190, 0.2);
    text-shadow: 0 0 8px rgba(0, 119, 190, 0.6);
    box-shadow: 
        0 0 25px rgba(0, 119, 190, 0.4),
        0 0 40px rgba(0, 119, 190, 0.2),
        inset 0 1px 1px rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
}

.provider-logo {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

/* 邮箱输入框样式 */
.email-input-container {
    position: relative;
    max-width: 600px;
    margin: 0;
}

.email-input {
    width: 100%;
    padding: 16px 20px 16px 50px;
    border: 1px solid rgba(0, 191, 255, 0.4);
    border-radius: 12px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-sizing: border-box;
    color: #2c3e50;
}

.email-input::placeholder {
    color: rgba(90, 108, 125, 0.6);
}

.email-input:focus {
    border-color: rgba(0, 191, 255, 0.8);
    background: rgba(0, 191, 255, 0.08);
    outline: none;
    box-shadow: 
        0 0 20px rgba(0, 191, 255, 0.25),
        inset 0 1px 1px rgba(255, 255, 255, 0.4);
    text-shadow: 0 0 6px rgba(0, 191, 255, 0.3);
}

.email-input:valid {
    border-color: rgba(72, 209, 204, 0.6);
    box-shadow: 0 0 15px rgba(72, 209, 204, 0.2);
}

.email-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(90, 108, 125, 0.7);
    font-size: 16px;
    transition: all 0.3s ease;
}

.email-input:focus + .email-icon {
    color: #0077be;
    text-shadow: 0 0 8px rgba(0, 191, 255, 0.4);
}

.email-input:valid + .email-icon {
    color: #48d1cc;
    text-shadow: 0 0 6px rgba(72, 209, 204, 0.4);
}

/* 账号输入框样式 */
.account-input-container {
    position: relative;
    max-width: 600px;
    margin: 0;
}

.account-input {
    width: 100%;
    padding: 16px 20px 16px 50px;
    border: 1px solid rgba(0, 191, 255, 0.4);
    border-radius: 12px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-sizing: border-box;
    color: #2c3e50;
}

.account-input::placeholder {
    color: rgba(90, 108, 125, 0.6);
}

.account-input:focus {
    border-color: rgba(0, 191, 255, 0.8);
    background: rgba(0, 191, 255, 0.08);
    outline: none;
    box-shadow: 
        0 0 20px rgba(0, 191, 255, 0.25),
        inset 0 1px 1px rgba(255, 255, 255, 0.4);
    text-shadow: 0 0 6px rgba(0, 191, 255, 0.3);
}

.account-input:valid {
    border-color: rgba(72, 209, 204, 0.6);
    box-shadow: 0 0 15px rgba(72, 209, 204, 0.2);
}

.account-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(90, 108, 125, 0.7);
    font-size: 16px;
    transition: all 0.3s ease;
}

.account-input:focus + .account-icon {
    color: #0077be;
    text-shadow: 0 0 8px rgba(0, 191, 255, 0.4);
}

.account-input:valid + .account-icon {
    color: #48d1cc;
    text-shadow: 0 0 6px rgba(72, 209, 204, 0.4);
}

/* 充值金额网格 */
.amount-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}

.amount-btn {
    padding: 16px 20px;
    border: 1px solid rgba(0, 191, 255, 0.4);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    color: #2c3e50;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.amount-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(0, 191, 255, 0.15) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.amount-btn:hover {
    border-color: rgba(0, 191, 255, 0.7);
    background: rgba(0, 191, 255, 0.12);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 191, 255, 0.2);
    text-shadow: 0 0 6px rgba(0, 191, 255, 0.4);
}

.amount-btn:hover::before {
    transform: translateX(100%);
}

.amount-btn.active {
    border-color: rgba(135, 206, 250, 0.8);
    background: linear-gradient(135deg, rgba(135, 206, 250, 0.25), rgba(0, 191, 255, 0.2));
    color: #2c3e50;
    text-shadow: 0 0 10px rgba(135, 206, 250, 0.6);
    box-shadow: 
        0 0 25px rgba(135, 206, 250, 0.35),
        inset 0 1px 1px rgba(255, 255, 255, 0.4);
}

/* 统计信息 */
.stats-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(15px);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 
        0 4px 20px rgba(0, 255, 255, 0.1),
        inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-label {
    color: #5a6c7d;
    font-size: 14px;
}

.stat-value {
    color: #e74c3c;
    font-weight: 700;
    font-size: 20px;
    text-shadow: 0 0 6px rgba(231, 76, 60, 0.3);
}

.actual-amount-value {
    color: #e74c3c;
    font-weight: 700;
    font-size: 22px;
    text-shadow: 0 0 6px rgba(231, 76, 60, 0.3);
}

.payment-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.next-btn {
    background: linear-gradient(135deg, #0077be, #00bfff);
    color: white;
    border: 1px solid rgba(0, 191, 255, 0.5);
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

.next-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.next-btn:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 0 30px rgba(0, 191, 255, 0.4),
        0 10px 25px rgba(135, 206, 250, 0.3);
    border-color: rgba(0, 191, 255, 0.8);
}

.next-btn:hover::before {
    transform: translateX(100%);
}



/* 账号申请流程介绍 */
.process-section {
    margin-bottom: 60px;
    padding: 50px 30px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(25px);
    border-radius: 25px;
    box-shadow: 
        0 15px 50px rgba(0, 191, 255, 0.15),
        0 0 80px rgba(135, 206, 250, 0.1),
        inset 0 1px 1px rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(0, 191, 255, 0.25);
    position: relative;
    overflow: hidden;
}

.process-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0077be, #00bfff, #4682b4, #5f9ea0, #48d1cc, #0077be);
    background-size: 300% 100%;
    animation: gradientShift 6s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.process-title {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, #0077be, #00bfff, #4682b4, #5f9ea0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 100%;
    animation: coolText 3s ease-in-out infinite alternate;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    text-shadow: 0 0 20px rgba(0, 191, 255, 0.3);
}

.process-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 2px;
    background: linear-gradient(90deg, #0077be, #00bfff, #4682b4);
    background-size: 200% 100%;
    animation: coolBorder 2s linear infinite;
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(0, 191, 255, 0.4);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

@media (max-width: 1200px) {
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

.process-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.7), rgba(240, 248, 255, 0.6));
    border-radius: 20px;
    padding: 25px 20px;
    box-shadow: 
        0 10px 40px rgba(0, 191, 255, 0.1),
        0 0 60px rgba(135, 206, 250, 0.08),
        inset 0 1px 1px rgba(255, 255, 255, 0.4);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 191, 255, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 15px;
    position: relative;
    backdrop-filter: blur(15px);
    min-height: 180px;
}



.process-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #0077be, #00bfff);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 
        0 0 25px rgba(0, 191, 255, 0.4),
        0 0 40px rgba(135, 206, 250, 0.2),
        inset 0 1px 1px rgba(255, 255, 255, 0.3);
    position: relative;
    margin-bottom: 5px;
    border: 2px solid rgba(0, 191, 255, 0.4);
}

.process-number i {
    color: white !important;
    font-size: 20px;
}



.process-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.process-card-title {
    font-size: 16px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 10px;
    line-height: 1.3;
    position: relative;
    text-align: center;
    text-shadow: 0 0 8px rgba(0, 191, 255, 0.2);
}

.process-description {
    color: #5a6c7d;
    font-size: 13px;
    line-height: 1.5;
    margin: 0;
    font-weight: 400;
    text-align: center;
}

/* 页面底部 */
.footer {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    color: #2c3e50;
    padding: 30px 0;
    margin-top: 60px;
    border-top: 1px solid rgba(0, 191, 255, 0.3);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #0077be, #00bfff, transparent);
    background-size: 200% 100%;
    animation: coolBorder 4s linear infinite;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

.footer-links a {
    color: #5a6c7d;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid transparent;
}

.footer-links a:hover {
    color: #0077be;
    border: 1px solid rgba(0, 191, 255, 0.4);
    text-shadow: 0 0 6px rgba(0, 191, 255, 0.3);
    background: rgba(0, 191, 255, 0.08);
}

.footer-copyright {
    color: #708090;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 1024px) and (min-width: 769px) {
    .steps-indicator {
        gap: 15px 10px;
        flex-wrap: wrap;
        justify-content: flex-start;
        align-items: flex-start;
        min-height: 110px;
    }
    
    .step {
        width: calc(33.333% - 7px);
        align-items: center;
        padding: 12px 2px 5px;
        /* 确保平板端也保持最小高度 */
        min-height: 90px;
    }
    
    .step:nth-child(7), .step:nth-child(9) {
        width: calc(33.333% - 7px);
    }
    
    .step-line {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
        height: 60px;
    }
    
    .logo-text {
        display: none;
    }
    
    .logo-icon {
        width: 66px;
        height: 66px;
    }
    
    .nav-menu {
        gap: 20px;
    }
    
    .main-content {
        margin-top: 60px;
        padding: 20px 15px;
    }
    
    .steps-container {
        padding: 35px 15px 20px;
        margin-bottom: 30px;
        overflow: visible;
    }
    
    .steps-title {
        font-size: 22px;
        margin-bottom: 30px;
    }
    
    .steps-indicator {
        gap: 12px 8px;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: flex-start;
        align-items: flex-start;
        min-height: 120px;
        overflow-y: visible;
        padding: 15px 0;
    }
    
    .step {
        flex-direction: column;
        gap: 8px;
        min-width: auto;
        width: calc(33.333% - 6px);
        text-align: center;
        justify-content: flex-start;
        align-items: center;
        padding: 15px 2px 5px;
        /* 确保移动端也保持最小高度 */
        min-height: 80px;
    }
    
    .step:nth-child(7), .step:nth-child(9) {
        width: calc(33.333% - 6px);
        margin-left: 0;
    }
    
    .step-line {
        display: none !important;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 14px;
        flex-shrink: 0;
    }
    
    .step-text {
        max-width: none;
        font-size: 14px;
        text-align: center;
        align-self: center;
        word-break: break-word;
        hyphens: auto;
    }
    
    .step-line {
        display: none;
    }
    
    .recharge-form {
        padding: 20px;
    }
    
    .stats-row {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }
    
    .payment-info {
        justify-content: center;
    }
    
    .process-section {
        padding: 30px 20px;
        margin-bottom: 40px;
    }
    
    .process-title {
        font-size: 24px;
        margin-bottom: 30px;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .process-card {
        padding: 25px 20px;
        min-height: 160px;
    }
    
    .process-number {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .process-number i {
        font-size: 16px;
    }
    
    .process-card-title {
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .process-description {
        font-size: 14px;
        line-height: 1.5;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    
    .logo-icon {
        width: 56px;
        height: 56px;
    }
    
    .steps-container {
        padding: 30px 10px 15px;
        margin-bottom: 20px;
        overflow: visible;
    }
    
    .steps-title {
        font-size: 20px;
        margin-bottom: 25px;
    }
    
    .steps-indicator {
        gap: 10px 6px;
        justify-content: flex-start;
        align-items: flex-start;
        min-height: 100px;
        overflow-y: visible;
        padding: 12px 0;
    }
    
    .step {
        width: calc(33.333% - 4px);
        gap: 6px;
        align-items: center;
        padding: 12px 2px 3px;
        /* 确保小屏幕也保持最小高度 */
        min-height: 75px;
    }
    
    .step:nth-child(7), .step:nth-child(9) {
        width: calc(33.333% - 4px);
    }
    
    .step-number {
        width: 35px;
        height: 35px;
        font-size: 13px;
    }
    
    .step-text {
        font-size: 12px;
        line-height: 1.3;
        word-break: break-word;
        hyphens: auto;
    }
    
    .amount-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .amount-btn {
        padding: 12px 16px;
        font-size: 13px;
    }
    
    .cloud-providers {
        justify-content: center;
        gap: 12px;
    }
    
    .provider-option {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .email-input-container,
    .account-input-container {
        max-width: 100%;
        margin: 0;
    }
    
    .email-input,
    .account-input {
        font-size: 16px;
        padding: 12px 14px 12px 40px;
    }
    
    .email-icon,
    .account-icon {
        left: 12px;
        font-size: 14px;
    }
    
    .process-section {
        padding: 20px 15px;
        border-radius: 20px;
    }
    
    .process-title {
        font-size: 22px;
        margin-bottom: 25px;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .process-card {
        padding: 20px 15px;
        border-radius: 15px;
        min-height: 140px;
    }
    
    .process-number {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
    
    .process-number i {
        font-size: 14px;
    }
    
    .process-card-title {
        font-size: 15px;
        margin-bottom: 8px;
    }
    
    .process-description {
        font-size: 12px;
        line-height: 1.4;
    }
    
    .recharge-form {
        padding: 18px;
    }
    
    .stats-row {
        padding: 16px;
    }
    
    .next-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.recharge-container,
.steps-container {
    animation: fadeIn 0.8s ease-out;
}

/* 模态框样式 */
.modal-content {
    background: white;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.payment-modal .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px 16px;
    border-bottom: 1px solid #e0e0e0;
}

.modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    color: #666;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: #f5f5f5;
    color: #333;
}

.modal-body {
    padding: 24px;
}

.qr-code {
    margin: 20px 0;
    text-align: center;
}

.qr-placeholder {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border: 2px dashed #dee2e6;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: #666;
}

.qr-placeholder i {
    font-size: 48px;
    margin-bottom: 12px;
    color: #1a73e8;
}

.payment-address {
    margin-top: 20px;
}

.payment-address label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.payment-address input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-family: monospace;
    font-size: 14px;
    background: #f8f9fa;
    margin-bottom: 12px;
}

.copy-btn {
    background: #28a745;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s ease;
}

.copy-btn:hover {
    background: #218838;
}

/* 加载动画样式 */
.loader-content {
    text-align: center;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #1a73e8;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loader-content p {
    color: #666;
    font-size: 16px;
    margin: 0;
}

/* 通知样式增强 */
.notification {
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
}

/* 回到顶部按钮悬浮效果 */
.back-to-top:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
}

.back-to-top:active {
    transform: translateY(0) scale(0.95);
}

/* 工具提示样式 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    font-size: 12px;
    z-index: 1000;
}

.tooltip::before {
    content: '';
    position: absolute;
    bottom: 115%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #333;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.tooltip:hover::after,
.tooltip:hover::before {
    opacity: 1;
    visibility: visible;
}

/* 脉冲动画 */
@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(26, 115, 232, 0.7);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(26, 115, 232, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(26, 115, 232, 0);
    }
}

/* 选中状态样式（与厂商选中样式一致） */
.amount-btn.active {
    border-color: #0077be;
    border-width: 2px;
    background: rgba(0, 119, 190, 0.2);
    text-shadow: 0 0 8px rgba(0, 119, 190, 0.6);
    box-shadow: 
        0 0 25px rgba(0, 119, 190, 0.4),
        0 0 40px rgba(0, 119, 190, 0.2),
        inset 0 1px 1px rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
}

/* 网格项样式 */
.process-card {
    position: relative;
}

/* 表单焦点状态 */
input:focus{
    outline: 2px solid #1a73e8;
    outline-offset: 2px;
}

/* 无障碍访问支持 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}



/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 支付状态样式 */
.payment-status-container {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    margin-top: 20px;
    box-shadow: 
        0 8px 32px rgba(0, 191, 255, 0.1),
        0 0 60px rgba(135, 206, 250, 0.08),
        inset 0 1px 1px rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(0, 191, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.payment-status-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    /* background: linear-gradient(90deg, transparent, #0077be, #00bfff, #4682b4, transparent); */
    background-size: 200% 100%;
    /* animation: coolBorder 4s linear infinite; */
}

.payment-status-content {
    max-width: 400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.payment-status-icon {
    font-size: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 15px rgba(0, 0, 0, 0.1));
    /* animation: pulse 2s ease-in-out infinite; */
}

.payment-status-icon.success {
    color: #28a745;
    filter: drop-shadow(0 0 20px rgba(40, 167, 69, 0.4));
}

.payment-status-icon.cancel {
    color: #dc3545;
    filter: drop-shadow(0 0 20px rgba(220, 53, 69, 0.4));
}

.payment-status-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #2c3e50;
    text-shadow: 0 0 8px rgba(0, 191, 255, 0.2);
}

.payment-status-message {
    font-size: 16px;
    color: #5a6c7d;
    margin-bottom: 30px;
    line-height: 1.6;
    text-shadow: 0 0 6px rgba(0, 191, 255, 0.1);
}

.payment-status-btn {
    padding: 12px 30px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: white;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.payment-status-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.payment-status-btn:hover::before {
    transform: translateX(100%);
}

.payment-status-btn.success-btn {
    background: linear-gradient(135deg, #28a745, #20c997);
    border: 1px solid rgba(40, 167, 69, 0.5);
}

.payment-status-btn.success-btn:hover {
    background: linear-gradient(135deg, #218838, #1ba97a);
    transform: translateY(-2px);
    box-shadow: 
        0 0 25px rgba(40, 167, 69, 0.4),
        0 6px 20px rgba(40, 167, 69, 0.3);
}

.payment-status-btn.cancel-btn {
    background: linear-gradient(135deg, #dc3545, #e55353);
    border: 1px solid rgba(220, 53, 69, 0.5);
}

.payment-status-btn.cancel-btn:hover {
    background: linear-gradient(135deg, #c82333, #d33a4a);
    transform: translateY(-2px);
    box-shadow: 
        0 0 25px rgba(220, 53, 69, 0.4),
        0 6px 20px rgba(220, 53, 69, 0.3);
}

.payment-status-message span {
    color: #0077be;
    font-weight: 700;
    text-shadow: 0 0 6px rgba(0, 191, 255, 0.3);
}

/* 支付状态响应式样式 */
@media (max-width: 768px) {
    .payment-status-container {
        padding: 30px 15px;
        margin-top: 15px;
        border-radius: 12px;
    }
    
    .payment-status-icon {
        font-size: 60px;
        margin-bottom: 15px;
    }
    
    .payment-status-title {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .payment-status-message {
        font-size: 14px;
        margin-bottom: 25px;
    }
    
    .payment-status-btn {
        padding: 10px 25px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .payment-status-container {
        padding: 25px 10px;
        border-radius: 10px;
    }
    
    .payment-status-icon {
        font-size: 50px;
        margin-bottom: 12px;
    }
    
    .payment-status-title {
        font-size: 18px;
        margin-bottom: 10px;
    }
    
    .payment-status-message {
        font-size: 13px;
        margin-bottom: 20px;
        line-height: 1.5;
    }
    
    .payment-status-btn {
        padding: 8px 20px;
        font-size: 13px;
        border-radius: 8px;
    }
}