/*!
 * 葵问答 - 服务协议 / 隐私政策 页面样式
 * 依赖 ../style.css 提供的 design token
 */

/* 简化版 header */
.doc-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.doc-header__inner {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.doc-header .brand {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.doc-header .brand__logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 8px;
    background: var(--color-primary-bg);
    padding: 4px;
}

.doc-header .brand__name {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
}

.doc-header__back {
    color: var(--color-text-muted);
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius-full);
    transition: color .18s, background .18s;
}

.doc-header__back:hover {
    background: var(--color-primary-bg);
    color: var(--color-accent);
}

.doc-header__back-icon {
    font-size: 16px;
}

/* 页面主体 */
.doc-main {
    padding: 48px 0 80px;
    background: linear-gradient(180deg, #FFFCF5 0%, #fff 40%);
    min-height: calc(100vh - 64px - 120px);
}

.doc-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 顶部标题区 */
.doc-hero {
    text-align: center;
    margin-bottom: 48px;
    padding: 40px 24px;
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 184, 0, 0.12);
}

.doc-hero__eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--color-accent);
    background: var(--color-primary-bg);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
    text-transform: uppercase;
}

.doc-hero__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 14px;
    letter-spacing: -0.01em;
}

.doc-hero__meta {
    color: var(--color-text-muted);
    font-size: 14px;
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.doc-hero__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.doc-hero__meta-sep {
    color: var(--color-text-weak);
}

/* 目录 */
.doc-toc {
    background: var(--color-bg-soft);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    margin-bottom: 32px;
    border-left: 4px solid var(--color-primary);
}

.doc-toc__title {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-earth);
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.doc-toc__list {
    display: grid;
    gap: 6px;
}

.doc-toc__list a {
    color: var(--color-text-regular);
    font-size: 14px;
    padding: 4px 0;
    display: inline-block;
    transition: color .18s;
}

.doc-toc__list a:hover {
    color: var(--color-accent);
}

/* 正文 */
.doc-content {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 44px;
    box-shadow: var(--shadow-sm);
    font-size: 16px;
    line-height: 1.85;
    color: var(--color-text-regular);
}

.doc-content h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    margin: 40px 0 18px;
    padding-left: 14px;
    border-left: 4px solid var(--color-primary);
    scroll-margin-top: 80px;
}

.doc-content h2:first-child {
    margin-top: 0;
}

.doc-content h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text);
    margin: 22px 0 10px;
}

.doc-content p {
    margin: 0 0 14px;
}

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

.doc-content ol,
.doc-content ul {
    padding-left: 24px;
    margin: 10px 0 16px;
}

.doc-content ol li,
.doc-content ul li {
    margin-bottom: 8px;
    list-style: decimal outside;
}

.doc-content ul li {
    list-style: disc outside;
}

.doc-content .doc-callout {
    background: var(--color-primary-bg);
    border-left: 4px solid var(--color-primary);
    padding: 16px 20px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 20px 0;
    color: var(--color-earth);
    font-size: 15px;
}

.doc-content .doc-callout strong {
    color: var(--color-earth);
}

.doc-content a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
}

.doc-content a:hover {
    color: var(--color-primary-dark);
}

/* 尾部提示 */
.doc-footer-tip {
    margin-top: 32px;
    padding: 24px;
    background: var(--color-bg-soft);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: 14px;
    text-align: center;
}

.doc-footer-tip a {
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* 底部操作 */
.doc-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 32px;
    flex-wrap: wrap;
}

/* 回到顶部 */
.doc-top-btn {
    position: fixed;
    right: 20px;
    bottom: calc(20px + env(safe-area-inset-bottom));
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #fff;
    box-shadow: var(--shadow-md);
    display: none;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 20px;
    z-index: 80;
    border: 1px solid var(--color-border);
}

.doc-top-btn[data-show="1"] {
    display: inline-flex;
}

.doc-top-btn:hover {
    background: var(--color-primary-bg);
}

/* 底部简版 footer（协议页不需要完整 footer） */
.doc-footer {
    padding: 32px 0 calc(32px + env(safe-area-inset-bottom));
    background: #1A1A1A;
    color: #8B8F97;
    font-size: 13px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.doc-footer__links {
    margin-bottom: 10px;
}

.doc-footer__links a {
    color: #C9CDD4;
    margin: 0 12px;
    transition: color .18s;
}

.doc-footer__links a:hover {
    color: var(--color-primary);
}

.doc-footer__beian {
    display: inline-block;
    color: #666A72;
    font-size: 12px;
    transition: color .18s;
}

.doc-footer__beian:hover {
    color: var(--color-primary);
}

/* 响应式 */
@media (max-width: 640px) {
    .doc-main {
        padding: 24px 0 60px;
    }

    .doc-hero {
        padding: 28px 20px;
        margin-bottom: 24px;
        border-radius: var(--radius-lg);
    }

    .doc-content {
        padding: 28px 22px;
        border-radius: var(--radius-md);
        font-size: 15px;
        line-height: 1.8;
    }

    .doc-content h2 {
        font-size: 19px;
        margin: 32px 0 14px;
    }

    .doc-content h3 {
        font-size: 16px;
    }

    .doc-toc {
        padding: 16px 20px;
    }

    .doc-container {
        padding: 0 16px;
    }

    .doc-top-btn {
        right: 12px;
        bottom: calc(12px + env(safe-area-inset-bottom));
    }
}

/* 协议页共用的联系弹窗（复制自主站 style.css contact-modal，保证协议页独立也能用） */
/* 注意：如果协议页已引入主站 style.css，这里的定义会被后者覆盖，但不影响渲染 */