/* 基础样式 */
@media screen and (max-width: 768px) {
    body {
        margin: 0;
        padding: 10px;
        height: auto;
        min-height: 100vh;
        align-items: flex-start;
        display: block;}
    .access-container {
        width: 100% !important;
        margin: 10px auto !important;
        padding: 0 !important;
        box-sizing: border-box;
        max-height: none !important;
        border-radius: 8px !important;
        position: relative !important;
        top: 0 !important;
        transform: none !important;}
    .header {
        padding: 15px !important;}
    h1 {
        font-size: 1.5em !important;
        margin-top: 0 !important;
        margin-bottom: 0 !important;}
    .content {
        padding: 15px !important;}
    p {
        font-size: 1em !important;
        line-height: 1.5 !important;
        margin: 10px 0 !important;}
    .btn {
        display: block !important;
        width: 100% !important;
        margin: 10px 0 !important;
        padding: 12px 0 !important;
        text-align: center;}
    .steps {
        margin: 15px 0 !important;}
    .step {
        margin-bottom: 15px !important;}
    .warning {
        margin: 15px 0 !important;
        padding: 10px 15px !important;}
    .actions {
        margin-top: 15px !important;}
    .footer {
        padding: 15px !important;}
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: #f5f7fa;
    background: -webkit-linear-gradient(315deg, #f5f7fa 0%, #e4edf5 100%);
    background: -moz-linear-gradient(315deg, #f5f7fa 0%, #e4edf5 100%);
    background: -o-linear-gradient(315deg, #f5f7fa 0%, #e4edf5 100%);
    background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
    min-height: 100vh;
    margin: 0;
    padding: 20px 0;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: center;
    -moz-justify-content: center;
    -ms-justify-content: center;
    justify-content: center;
    -webkit-align-items: center;
    -moz-align-items: center;
    -ms-align-items: center;
    align-items: center;
    box-sizing: border-box;}

.access-container {
    max-width: 650px;
    background: white;
    -webkit-border-radius: 12px;
    -moz-border-radius: 12px;
    border-radius: 12px;
    -webkit-box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    -moz-box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    -webkit-animation: fadeIn 0.8s ease-out;
    -moz-animation: fadeIn 0.8s ease-out;
    -o-animation: fadeIn 0.8s ease-out;
    animation: fadeIn 0.8s ease-out;}

.header {
    background: #52C8F3;
    color: white;
    padding: 25px 30px;
    text-align: center;}

.header h1 {
    margin: 0;
    font-size: 26px;
    font-weight: 600;}

.content {
    padding: 30px;
    color: #333;
    line-height: 1.7;}

.warning {
    background: #fff8e6;
    border-left: 4px solid #ffc107;
    padding: 15px 20px;
    margin: 20px 0;
    -webkit-border-radius: 0 4px 4px 0;
    -moz-border-radius: 0 4px 4px 0;
    border-radius: 0 4px 4px 0;
    position: relative;
    *zoom: 1;}

.steps {
    margin: 25px 0;
    position: relative;}

.step {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    margin-bottom: 15px;
    -webkit-align-items: flex-start;
    -moz-align-items: flex-start;
    -ms-align-items: flex-start;
    align-items: flex-start;
    *zoom: 1;}

.step-number {
    background: #52C8F3;
    color: white;
    width: 28px;
    height: 28px;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: center;
    -moz-justify-content: center;
    -ms-justify-content: center;
    justify-content: center;
    -webkit-align-items: center;
    -moz-align-items: center;
    -ms-align-items: center;
    align-items: center;
    margin-right: 15px;
    -webkit-flex-shrink: 0;
    -moz-flex-shrink: 0;
    -ms-flex-shrink: 0;
    flex-shrink: 0;
    font-weight: bold;
    text-align: center;
    line-height: 28px;}

.actions {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    margin-top: 25px;
    -webkit-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin-left: -7.5px;
    margin-right: -7.5px;
    *zoom: 1;}

.actions > * {
    margin-left: 7.5px;
    margin-right: 7.5px;
    margin-bottom: 10px;}

.btn {
    padding: 12px 25px;
    -webkit-border-radius: 6px;
    -moz-border-radius: 6px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
    display: -webkit-inline-box;
    display: -moz-inline-box;
    display: -ms-inline-flexbox;
    display: -webkit-inline-flex;
    display: inline-flex;
    -webkit-align-items: center;
    -moz-align-items: center;
    -ms-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    -moz-justify-content: center;
    -ms-justify-content: center;
    justify-content: center;
    *display: inline;
    *zoom: 1;
    text-align: center;}

.btn-primary {
    background: #52C8F3;
    color: white;
    border: 1px solid #52C8F3;}

.btn-primary:hover {
    background: #1348b8;
    -webkit-transform: translateY(-2px);
    -moz-transform: translateY(-2px);
    -ms-transform: translateY(-2px);
    -o-transform: translateY(-2px);
    transform: translateY(-2px);
    -webkit-box-shadow: 0 4px 12px rgba(26, 86, 219, 0.25);
    -moz-box-shadow: 0 4px 12px rgba(26, 86, 219, 0.25);
    box-shadow: 0 4px 12px rgba(26, 86, 219, 0.25);}

.btn-secondary {
    background: white;
    color: #52C8F3;
    border: 1px solid #d1d5db;}

.btn-secondary:hover {
    background: #f3f4f6;
    border-color: #9ca3af;}

.footer {
    text-align: center;
    padding: 20px;
    background: #f9fafb;
    color: #6b7280;
    font-size: 14px;
    border-top: 1px solid #e5e7eb;
    position: relative;
    *zoom: 1;}

.contact {
    margin-top: 10px;
    *display: inline;
    *zoom: 1;}

.contact a {
    color: #52C8F3;
    text-decoration: none;
    -webkit-transition: color 0.3s ease;
    -moz-transition: color 0.3s ease;
    -o-transition: color 0.3s ease;
    transition: color 0.3s ease;}

.contact a:hover {
    color: #1348b8;
    text-decoration: underline\9;}

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

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

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

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

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    background: rgba(255, 255, 255, 0.9);
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: center;
    -moz-justify-content: center;
    -ms-justify-content: center;
    justify-content: center;
    -webkit-align-items: center;
    -moz-align-items: center;
    -ms-align-items: center;
    align-items: center;
    z-index: 1000;
    -webkit-flex-direction: column;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(26, 86, 219, 0.2);
    border-top: 5px solid #52C8F3;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    -webkit-animation: spin 1s linear infinite;
    -moz-animation: spin 1s linear infinite;
    -o-animation: spin 1s linear infinite;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;}

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

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

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

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