:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            --aisitex-primary: #2AABEE;
            --aisitex-primary-dark: #229ED9;
            --aisitex-bg: #F8FAFC;
            --aisitex-surface: #FFFFFF;
            --aisitex-text: #0F172A;
            --aisitex-text-muted: #64748B;
            --aisitex-radius: 12px;
            --aisitex-shadow: 0 10px 25px -5px rgba(42, 171, 238, 0.1), 0 8px 10px -6px rgba(42, 171, 238, 0.1);
        }
*: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, "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--aisitex-bg);
            color: var(--aisitex-text);
            line-height: 1.6;
            overflow-x: hidden;
        }
/* 导航栏复用规范 */
.aisitex-nav-overlay:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 999;
        }
/* 本页独创版式与首屏信息带 */
.aisitex-hero-banner:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: linear-gradient(135deg, #2AABEE 0%, #229ED9 100%);
            color: #ffffff;
            padding: 12px 24px;
            text-align: center;
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.2);
        }
.aisitex-main-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 0 auto;
            padding: 48px 24px 80px;
        }
.aisitex-page-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px;
        }
.aisitex-page-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-block;
            background-color: rgba(42, 171, 238, 0.1);
            color: var(--aisitex-primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
.aisitex-page-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--aisitex-text);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
.aisitex-page-summary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 1.05rem;
            color: var(--aisitex-text-muted);
            line-height: 1.6;
        }
/* 任务分段全宽色带网格容器 */
.aisitex-account-wrapper:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1fr 440px;
            gap: 48px;
            align-items: start;
        }
@media (max-width: 968px) {.aisitex-account-wrapper:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
            }}
/* 引导轴与证据面板 */
.aisitex-guide-column:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
.aisitex-step-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-surface);
            border-radius: var(--aisitex-radius);
            padding: 28px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
            border: 1px solid rgba(226, 232, 240, 0.8);
            display: flex;
            gap: 20px;
            position: relative;
        }
.aisitex-step-number:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background-color: rgba(42, 171, 238, 0.1);
            color: var(--aisitex-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.95rem;
        }
.aisitex-step-content h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--aisitex-text);
            margin-bottom: 8px;
        }
.aisitex-step-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 0.925rem;
            color: var(--aisitex-text-muted);
            line-height: 1.5;
        }
.aisitex-preview-showcase:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-surface);
            border-radius: var(--aisitex-radius);
            overflow: hidden;
            border: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: var(--aisitex-shadow);
        }
.aisitex-preview-showcase img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            display: block;
        }
.aisitex-preview-caption:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 20px 24px;
            font-size: 0.9rem;
            color: var(--aisitex-text-muted);
            border-top: 1px solid rgba(226, 232, 240, 0.6);
            background-color: #FAFCFF;
        }
/* 互动表单核心面板 */
.aisitex-form-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-surface);
            border-radius: var(--aisitex-radius);
            padding: 36px;
            box-shadow: var(--aisitex-shadow);
            border: 1px solid rgba(226, 232, 240, 0.9);
            position: sticky;
            top: 96px;
        }
.aisitex-form-tabs:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            background-color: #F1F5F9;
            padding: 4px;
            border-radius: 8px;
            margin-bottom: 28px;
        }
.aisitex-tab-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            flex: 1;
            background: transparent;
            border: none;
            padding: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--aisitex-text-muted);
            cursor: pointer;
            border-radius: 6px;
            transition: all 0.2s ease;
        }
.aisitex-tab-btn.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-surface);
            color: var(--aisitex-text);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
        }
.aisitex-form-notice:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: rgba(42, 171, 238, 0.08);
            border-left: 3px solid var(--aisitex-primary);
            padding: 12px 16px;
            font-size: 0.85rem;
            color: var(--aisitex-primary-dark);
            border-radius: 0 6px 6px 0;
            margin-bottom: 24px;
            line-height: 1.5;
        }
.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: 0.9rem;
            font-weight: 600;
            color: var(--aisitex-text);
            margin-bottom: 8px;
        }
.aisitex-form-input:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid #E2E8F0;
            border-radius: 8px;
            font-size: 0.95rem;
            color: var(--aisitex-text);
            background-color: #FFFFFF;
            transition: all 0.2s ease;
        }
.aisitex-form-input:focus:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            outline: none;
            border-color: var(--aisitex-primary);
            box-shadow: 0 0 0 3px rgba(42, 171, 238, 0.15);
        }
.aisitex-form-error:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 0.8rem;
            color: #EF4444;
            margin-top: 6px;
            display: none;
        }
.aisitex-form-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            padding: 14px;
            background-color: var(--aisitex-primary);
            color: #FFFFFF;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(42, 171, 238, 0.4);
            transition: background-color 0.2s, transform 0.1s;
            margin-top: 8px;
        }
.aisitex-form-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-primary-dark);
        }
.aisitex-form-btn:active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            transform: scale(0.99);
        }
.aisitex-form-message:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            margin-top: 16px;
            padding: 12px;
            border-radius: 8px;
            font-size: 0.9rem;
            text-align: center;
            display: none;
        }
.aisitex-form-message.success:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: #ECFDF5;
            color: #059669;
            border: 1px solid #A7F3D0;
            display: block;
        }
.aisitex-form-message.error:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: #FEF2F2;
            color: #DC2626;
            border: 1px solid #FECACA;
            display: block;
        }
/* 登录后状态面板样式 */
.aisitex-session-panel:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            text-align: center;
            padding: 24px 0;
        }
.aisitex-session-avatar:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 72px;
            height: 72px;
            background: linear-gradient(135deg, var(--aisitex-primary), var(--aisitex-primary-dark));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            font-weight: 700;
            margin: 0 auto 16px;
            box-shadow: 0 8px 16px rgba(42, 171, 238, 0.3);
        }
.aisitex-session-name:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--aisitex-text);
            margin-bottom: 6px;
        }
.aisitex-session-status:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: #ECFDF5;
            color: #059669;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
        }
.aisitex-session-status:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::before {
            content: "";
            width: 8px;
            height: 8px;
            background-color: #059669;
            border-radius: 50%;
        }
.aisitex-logout-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: #F1F5F9;
            color: #475569;
            border: none;
            width: 100%;
            padding: 12px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.2s;
        }
.aisitex-logout-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: #E2E8F0;
            color: var(--aisitex-text);
        }
/* 页脚规范 */
.aisitex-footer-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }
@media (max-width: 768px) {.aisitex-nav-menu.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                transform: translateY(0);
            }
.aisitex-nav-overlay.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                display: block;
            }
.aisitex-page-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                font-size: 1.75rem;
            }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #0F172A;
}

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

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

.aisitex-header{
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid #E2E8F0;
        }

.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: 20px;
            color: #0F172A;
        }

.aisitex-header .aisitex-brand-logo{
            width: 36px;
            height: 36px;
            object-fit: contain;
        }

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

.aisitex-header .aisitex-nav-link{
            font-size: 15px;
            font-weight: 500;
            color: #64748B;
            transition: color 0.2s;
            position: relative;
            padding: 6px 0;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #2AABEE;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #2AABEE;
            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-color: #0F172A;
            margin: 5px 0;
            transition: 0.3s;
        }

@media (max-width: 968px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 72px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 72px);
                background-color: #FFFFFF;
                flex-direction: column;
                justify-content: flex-start;
                padding-top: 40px;
                gap: 24px;
                transition: left 0.3s ease;
                box-shadow: 0 20px 20px rgba(0,0,0,0.05);
            }

.aisitex-header .aisitex-nav-menu.active{
                left: 0;
            }

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

.aisitex-header .aisitex-menu-toggle.active span:nth-child(1){
                transform: translateY(7px) rotate(45deg);
            }

.aisitex-header .aisitex-menu-toggle.active span:nth-child(2){
                opacity: 0;
            }

.aisitex-header .aisitex-menu-toggle.active span:nth-child(3){
                transform: translateY(-7px) rotate(-45deg);
            }

.aisitex-header .aisitex-nav-overlay.active{
                display: block;
            }}

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #0F172A;
}

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

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

.aisitex-footer .aisitex-brand-logo{
            width: 36px;
            height: 36px;
            object-fit: contain;
        }

.aisitex-footer{
            background-color: #0B0F19;
            color: #94A3B8;
            padding: 60px 0 30px;
            border-top: 1px solid #1E293B;
        }

.aisitex-footer .aisitex-footer-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid #1E293B;
            padding-bottom: 40px;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 20px;
        }

.aisitex-footer .aisitex-footer-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            color: #ffffff;
            font-weight: 700;
            font-size: 18px;
        }

.aisitex-footer .aisitex-footer-links{
            display: flex;
            gap: 28px;
        }

.aisitex-footer .aisitex-footer-links a{
            color: #94A3B8;
            font-size: 14px;
            transition: color 0.2s;
        }

.aisitex-footer .aisitex-footer-links a:hover{
            color: #ffffff;
        }

.aisitex-footer .aisitex-copyright{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            text-align: center;
            font-size: 14px;
            color: #64748B;
        }