/* 继承首页视觉家族与组件样式 */
:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    --aisitex-primary: #FF7139;
    --aisitex-secondary: #0060DF;
    --aisitex-bg: #F9F9FB;
    --aisitex-text: #15141A;
    --aisitex-surface: #FFFFFF;
    --aisitex-max-width: 1200px;
    --aisitex-border: #E1E1E6;
}
*:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--aisitex-bg);
    color: var(--aisitex-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
/* 导航栏样式复用 */
/* 页面主体架构：编辑出版风格与沉浸舞台 */
.aisitex-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: var(--aisitex-max-width);
    margin: 0 auto;
    padding: 60px 24px 100px;
}
.aisitex-hero-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 42px;
    line-height: 1.25;
    font-weight: 800;
    color: var(--aisitex-text);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}
.aisitex-hero-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 17px;
    color: #55535C;
    margin-bottom: 32px;
    line-height: 1.7;
}
.aisitex-steps-list:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.aisitex-step-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    align-items: flex-start;
    gap: 16px;
}
.aisitex-step-number:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 28px;
    height: 28px;
    background: rgba(255, 113, 57, 0.1);
    color: var(--aisitex-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}
.aisitex-step-text h4:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}
.aisitex-step-text p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 14px;
    color: #666;
    margin: 0;
}
/* 沉浸式账号体验舞台 */
.aisitex-account-stage:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: var(--aisitex-text);
    color: white;
    border-radius: 28px;
    padding: 60px;
    box-shadow: 0 24px 48px rgba(21, 20, 26, 0.18);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    position: relative;
    overflow: hidden;
}
.aisitex-account-info h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}
.aisitex-account-info p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: #B2B0BC;
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 30px;
}
.aisitex-feature-badge-list:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.aisitex-feature-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: #E1E1E6;
}
.aisitex-feature-badge svg:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 20px;
    height: 20px;
    color: var(--aisitex-primary);
    flex-shrink: 0;
}
/* 表单容器与交互状态 */
.aisitex-form-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: var(--aisitex-surface);
    color: var(--aisitex-text);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}
.aisitex-form-tabs:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    border-bottom: 1px solid var(--aisitex-border);
    margin-bottom: 24px;
}
.aisitex-form-tab:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    flex: 1;
    background: none;
    border: none;
    padding: 12px;
    font-size: 16px;
    font-weight: 600;
    color: #777;
    cursor: pointer;
    position: relative;
    transition: color 0.2s;
}
.aisitex-form-tab.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-primary);
}
.aisitex-form-tab.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--aisitex-primary);
}
.aisitex-form-group:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-bottom: 20px;
}
.aisitex-form-label:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}
.aisitex-form-input:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--aisitex-border);
    border-radius: 10px;
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.aisitex-form-input:focus:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    border-color: var(--aisitex-primary);
    box-shadow: 0 0 0 3px rgba(255, 113, 57, 0.15);
}
.aisitex-form-error:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 13px;
    color: #D70022;
    margin-top: 6px;
    display: none;
}
.aisitex-form-error.show:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: block;
}
.aisitex-btn-primary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    padding: 14px;
    background: var(--aisitex-primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(255, 113, 57, 0.3);
    transition: background 0.2s, transform 0.1s;
    margin-top: 8px;
}
.aisitex-btn-primary:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: #E8602A;
}
.aisitex-btn-primary:active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    transform: scale(0.98);
}
.aisitex-notice-tip:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 12px;
    color: #777;
    text-align: center;
    margin-top: 16px;
}
/* 已登录状态控制面板 */
.aisitex-session-panel:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: none;
}
.aisitex-session-panel.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: block;
}
.aisitex-auth-form-wrap.hidden:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: none;
}
.aisitex-user-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: #F4F4F6;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}
.aisitex-user-avatar:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 48px;
    height: 48px;
    background: var(--aisitex-secondary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}
.aisitex-user-details h4:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 16px;
    font-weight: 700;
    color: var(--aisitex-text);
}
.aisitex-user-details p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 13px;
    color: #666;
    margin-top: 2px;
}
.aisitex-sync-status-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}
.aisitex-sync-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: #F4F4F6;
    border-radius: 10px;
    padding: 14px 10px;
    text-align: center;
}
.aisitex-sync-item .count:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 18px;
    font-weight: 700;
    color: var(--aisitex-secondary);
    margin-bottom: 2px;
}
.aisitex-sync-item .label:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 12px;
    color: #666;
}
.aisitex-btn-secondary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    padding: 12px;
    background: transparent;
    color: #D70022;
    border: 1px solid #D70022;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.aisitex-btn-secondary:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: rgba(215, 0, 34, 0.05);
}
/* 页脚样式复用 */
.aisitex-footer-links:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    gap: 24px;
}
.aisitex-footer-links a:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text);
    text-decoration: none;
}
.aisitex-footer-links a:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-primary);
}
/* 响应式适配 */
@media (max-width: 900px) {.aisitex-hero-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-account-stage:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 40px 24px;
    }
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        font-size: 32px;
    }}
@media (max-width: 768px) {.aisitex-nav-menu.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        transform: translateY(0);
    }
.aisitex-menu-toggle.active span:nth-child(1):not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        transform: rotate(45deg) translate(5px, 5px);
    }
.aisitex-menu-toggle.active span:nth-child(2):not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        opacity: 0;
    }
.aisitex-menu-toggle.active span:nth-child(3):not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        transform: rotate(-45deg) translate(5px, -5px);
    }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #15141A;
}

.aisitex-header, .aisitex-header *, .aisitex-header::before, .aisitex-header *::before, .aisitex-header::after, .aisitex-header *::after{
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

.aisitex-header a{
            color: inherit;
            text-decoration: none;
        }

.aisitex-header{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(249, 249, 251, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #EFEFF3;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.125rem;
            letter-spacing: -0.01em;
        }

.aisitex-header .aisitex-brand-logo{
            width: 32px;
            height: 32px;
            background: #FF7139;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 900;
            font-size: 1.1rem;
        }

.aisitex-header .aisitex-nav-menu{
            display: flex;
            align-items: center;
            gap: 32px;
        }

.aisitex-header .aisitex-nav-link{
            font-size: 0.9375rem;
            font-weight: 500;
            color: #55535C;
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
            position: relative;
            padding: 4px 0;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #15141A;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #FF7139;
            border-radius: 2px;
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 24px;
            height: 2px;
            background: #15141A;
            margin: 5px 0;
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

@media (max-width: 968px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                border-bottom: 1px solid #E1E1E6;
                transform: translateY(-120%);
                transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
                z-index: 99;
            }

.aisitex-header .aisitex-nav-menu.active{
                transform: translateY(0);
            }

.aisitex-header .aisitex-menu-toggle{
                display: block;
            }}

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #15141A;
}

.aisitex-footer, .aisitex-footer *, .aisitex-footer::before, .aisitex-footer *::before, .aisitex-footer::after, .aisitex-footer *::after{
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

.aisitex-footer a{
            color: inherit;
            text-decoration: none;
        }

.aisitex-footer{
            border-top: 1px solid #EFEFF3;
            background: #FFFFFF;
            padding: 40px 24px;
            text-align: center;
            font-size: 0.875rem;
            color: #8E8D96;
        }

.aisitex-footer .aisitex-footer-content{
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

@media (max-width: 968px){.aisitex-footer .aisitex-footer-content{
                flex-direction: column;
                gap: 16px;
            }}