/* 基础变量 */
:root {
    --hui-primary: #5e72e4;
    --hui-primary-dark: #4a5ecd;
    --hui-text: #2d3748;
    --hui-text-light: #718096;
    --hui-border: #e2e8f0;
    --hui-bg: #f8fafc;
    --hui-card-bg: #ffffff;
    --hui-radius: 8px;
    --hui-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --hui-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--hui-text);
    background-color: var(--hui-bg);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.Hui-app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.Hui-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    box-sizing: border-box;
}

/* 顶部栏样式 */
.Hui-topbar {
    background-color: var(--hui-card-bg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    position: sticky;
    top: 0;
    z-index: 100;
}

.Hui-topbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4.5rem;
}

.Hui-logos {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--hui-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.Hui-topbar-actions {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.Hui-topbar-link {
    color: var(--hui-text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--hui-transition);
    font-size: 0.95rem;
}

.Hui-topbar-link:hover {
    color: var(--hui-primary);
}

.Hui-topbar-cta {
    color: var(--hui-primary);
    border: 1px solid var(--hui-primary);
    border-radius: var(--hui-radius);
    padding: 0.5rem 1.2rem;
    transition: var(--hui-transition);
}

.Hui-topbar-cta:hover {
    background-color: rgba(94, 114, 228, 0.05);
}

/* 主内容区 */
.Hui-main {
    flex: 1;
    padding: 5rem 0;
}

.Hui-agreement-card {
    background-color: var(--hui-card-bg);
    border-radius: var(--hui-radius);
    box-shadow: var(--hui-shadow);
    overflow: hidden;
}

/* 协议头部 */
.Hui-agreement-header {
    padding: 2.5rem 3rem;
    border-bottom: 1px solid var(--hui-border);
    text-align: center;
    position: relative;
}

.Hui-agreement-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background-color: var(--hui-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.Hui-agreement-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: var(--hui-primary);
    letter-spacing: -0.5px;
}

.Hui-agreement-meta {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    color: var(--hui-text-light);
    font-size: 0.9rem;
}

.Hui-meta-item {
    display: flex;
    align-items: center;
}

.Hui-meta-item:before {
    content: "•";
    margin-right: 0.5rem;
    color: var(--hui-border);
}

.Hui-meta-item:first-child:before {
    display: none;
}

/* 协议主体 */
.Hui-agreement-body {
    display: flex;
    min-height: 500px;
}

.Hui-toc {
    width: 240px;
    padding: 2rem;
    border-right: 1px solid var(--hui-border);
    flex-shrink: 0;
}

.Hui-toc-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--hui-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 1rem;
}

.Hui-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.Hui-toc-list li {
    margin-bottom: 0.5rem;
}

.Hui-toc-link {
    color: var(--hui-text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--hui-transition);
    display: block;
    padding: 0.35rem 0;
    position: relative;
}

.Hui-toc-link:hover {
    color: var(--hui-primary);
}

.Hui-toc-link:before {
    content: "";
    position: absolute;
    left: -1rem;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--hui-primary);
    opacity: 0;
    transition: var(--hui-transition);
}

.Hui-toc-link:hover:before {
    opacity: 1;
    left: -0.75rem;
}

.Hui-agreement-content {
    flex: 1;
    padding: 2rem 3rem;
}

.Hui-agreement-section {
    margin-bottom: 3rem;
    scroll-margin-top: 1rem;
}

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

.Hui-section-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0 0 1.25rem;
    color: var(--hui-text);
    display: flex;
    align-items: flex-start;
}

.Hui-section-number {
    color: var(--hui-primary);
    margin-right: 0.5rem;
}

.Hui-section-content {
    color: var(--hui-text);
    font-size: 1rem;
    line-height: 1.8;
}

.Hui-section-content p {
    margin: 0 0 1.25rem;
}

.Hui-section-content p:last-child {
    margin-bottom: 0;
}

.Hui-section-content strong {
    font-weight: 600;
    color: var(--hui-text);
}

/* 协议底部 */
.Hui-agreement-footer {
    padding: 2rem 3rem;
    border-top: 1px solid var(--hui-border);
    background-color: #fff;
}

.Hui-agreement-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.Hui-checkbox-group {
    margin-bottom: 1.5rem;
}

.Hui-checkbox-input {
    position: absolute;
    opacity: 0;
}

.Hui-checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.Hui-checkbox-custom {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--hui-border);
    border-radius: 4px;
    margin-right: 0.75rem;
    position: relative;
    transition: var(--hui-transition);
    flex-shrink: 0;
}

.Hui-checkbox-input:checked~.Hui-checkbox-label .Hui-checkbox-custom {
    background-color: var(--hui-primary);
    border-color: var(--hui-primary);
}

.Hui-checkbox-input:checked~.Hui-checkbox-label .Hui-checkbox-custom:after {
    content: "";
    position: absolute;
    left: 0.25rem;
    top: 0rem;
    width: 0.4rem;
    height: 0.8rem;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.Hui-checkbox-text {
    font-size: 0.95rem;
    color: var(--hui-text);
}

.Hui-button-group {
    display: flex;
    gap: 1rem;
}

.Hui-button {
    padding: 0.8rem 1.8rem;
    border-radius: var(--hui-radius);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--hui-transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.Hui-button-primary {
    background-color: var(--hui-primary);
    color: white;
    border: none;
}

.Hui-button-primary:hover {
    background-color: var(--hui-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(94, 114, 228, 0.2);
}

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

.Hui-button-disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.Hui-button-outline {
    background-color: transparent;
    color: var(--hui-primary);
    border: 1px solid var(--hui-primary);
}

.Hui-button-outline:hover {
    background-color: rgba(94, 114, 228, 0.05);
}

.Hui-icon-print {
    margin-right: 0.5rem;
    width: 1rem;
    height: 1rem;
    background-color: currentColor;
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M17 17h2a2 2 0 002-2v-4a2 2 0 00-2-2H5a2 2 0 00-2 2v4a2 2 0 002 2h2m2 4h6a2 2 0 002-2v-4a2 2 0 00-2-2H9a2 2 0 00-2 2v4a2 2 0 002 2zm8-12V5a2 2 0 00-2-2H9a2 2 0 00-2 2v4h10z'/%3E%3C/svg%3E");
    mask-repeat: no-repeat;
    mask-position: center;
}

/* 页脚样式 */
.Hui-footers {
    background-color: var(--hui-card-bg);
    padding: 2rem 0;
    border-top: 1px solid var(--hui-border);
}

.Hui-footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.Hui-footer-links {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.Hui-footer-link {
    color: var(--hui-text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--hui-transition);
}

.Hui-footer-link:hover {
    color: var(--hui-primary);
}

.Hui-footer-copyright {
    color: var(--hui-text-light);
    font-size: 0.85rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    html {
        font-size: 16px;
    }

    .Hui-agreement-body {
        flex-direction: column;
    }

    .Hui-toc {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--hui-border);
        padding: 1.5rem 2rem;
    }

    .Hui-toc-list {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem 1.5rem;
    }

    .Hui-toc-list li {
        margin-bottom: 0;
    }

    .Hui-toc-link:before {
        display: none;
    }

    .Hui-agreement-content {
        padding: 2rem;
    }

    .Hui-agreement-header,
    .Hui-agreement-footer {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .Hui-container {
        padding: 0 1.25rem;
    }

    .Hui-agreement-header {
        padding: 1.5rem;
    }

    .Hui-agreement-badge {
        top: 1rem;
        right: 1rem;
    }

    .Hui-agreement-title {
        font-size: 1.6rem;
        padding-right: 0;
    }

    .Hui-agreement-meta {
        flex-direction: column;
        gap: 0.5rem;
        align-items: center;
    }

    .Hui-meta-item:before {
        display: none;
    }

    .Hui-agreement-content {
        padding: 1.5rem;
    }

    .Hui-agreement-footer {
        padding: 1.5rem;
    }

    .Hui-button-group {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }

    .Hui-button {
        width: 100%;
    }
}

/* 移动端vw适配 */
@media (max-width: 480px) {
    html {
        font-size: 4vw;
    }

    .Hui-topbar-content {
        height: 3.5rem;
    }

    .Hui-logos {
        font-size: 1.2rem;
    }

    .Hui-topbar-actions {
        gap: 0.75rem;
    }

    .Hui-topbar-cta {
        padding: 0.35rem 0.9rem;
        font-size: 0.85rem;
    }

    .Hui-main {
        padding: 1.5rem 0;
    }

    .Hui-section-title {
        font-size: 1.1rem;
    }

    .Hui-section-content {
        font-size: 0.9rem;
    }

    .Hui-checkbox-text {
        font-size: 0.85rem;
    }
}