/* ============================================================
   友链自助申请页面（friend_link）— 「明信片卡片集」风格
   设计要点：
   - 每块内容是一张明信片：航空邮件红蓝斜纹边 + 角落邮票 + 圆形邮戳
   - 关于本站采用扁平键值对列表（标签右对齐、链接色），参考图样
   - 无任何鼠标悬停特效；卡片平放对齐，保证可读性
   - 楷体书写标题与问候，其余走主题变量，自动适配深色模式
   ============================================================ */

/* ---------- 对齐修复：移除通用子页面白色包裹层的背景/圆角/内边距，
   让明信片卡片与顶部导航、底部页脚的左右边缘对齐 ---------- */
.child-page__main {
    background: transparent !important;
    border-radius: 0 !important;
    padding: 0 !important;
}

/* ---------- 对齐修复：卡片占满整行，与顶部导航、底部页脚左右边缘对齐 ---------- */
.fl-page {
    display: block !important;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.fl-hero {
    display: block;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    /* 防御：即使父级意外成为 grid/flex 容器，也强制占满整行 */
    grid-column: 1 / -1;
    justify-self: stretch;
    flex: 0 0 100%;
}

/* ---------- 对齐修复：网格卡片允许收缩，避免内部长链接/nowrap 文本把整列撑出页面，
   导致卡片右缘溢出、与导航/页脚不对齐 ---------- */
.fl-postcard {
    min-width: 0;
    overflow-wrap: break-word;
}

.fl-page .friendlink-card-list,
.fl-page .friendlink-card-item {
    min-width: 0;
}

/* ---------- 对齐修复：去掉友链列表外层多余的“卡片套卡片”包裹 ---------- */
.fl-page .wp-friendlink-list-wrapper {
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

/* ---------- 对齐修复：平板宽度下让顶部导航与内容/页脚统一 16px 留白 ---------- */
@media (min-width: 769px) and (max-width: 1240px) {
    .site-header__top-inner,
    .site-header__bottom-inner {
        padding-left: 16px;
        padding-right: 16px;
    }
}

.fl-page {
    /* 让 friendlink-apply 插件 UI 与主题对齐 */
    --fl-primary: var(--theme-color, #2563eb);
    --fl-primary-dark: var(--theme-color, #2563eb);
    --fl-radius: var(--border-radius, 8px);
    --fl-radius-sm: 6px;
    --fl-radius-lg: var(--border-radius, 12px);
    --fl-text: var(--text-content, #333);
    --fl-text-light: var(--text-secondary, #666);
    --fl-text-muted: var(--text-tertiary, #6c757d);
    --fl-bg: var(--bg-card, #fff);
    --fl-bg-light: var(--bg-secondary, #f8f9fa);
    --fl-border: var(--border-primary, #e9ecef);

    /* 楷体：标题 / 问候 / 邮戳的"手写感" */
    --fl-kai: "Kaiti SC", "STKaiti", "KaiTi", "楷体", serif;

    /* 航空邮件的红蓝 */
    --fl-post-red: #d64541;
    --fl-post-blue: #3b82f6;

    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-content, #334155);
}

html[data-theme="dark"] .fl-page {
    --fl-post-red: #e06a66;
    --fl-post-blue: #7aa7f0;
}

.fl-page p {
    margin: 0;
}

.fl-page a {
    text-decoration: none;
}

.fl-page a:focus-visible {
    outline: 2px solid var(--theme-color, #2563eb);
    outline-offset: 2px;
    border-radius: 2px;
}

/* ---------- 明信片基础 ---------- */
.fl-postcard {
    position: relative;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-primary, #e5e7eb);
    border-radius: 6px;
    padding: 26px 24px 22px;
    box-shadow: var(--shadow-sm, 0 4px 14px rgba(15, 23, 42, 0.05));
}

/* 航空邮件斜纹边 */
.fl-postcard::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    border-radius: 6px 6px 0 0;
    background: repeating-linear-gradient(45deg,
        var(--fl-post-red) 0 12px,
        var(--bg-card, #fff) 12px 22px,
        var(--fl-post-blue) 22px 34px,
        var(--bg-card, #fff) 34px 44px);
}

/* ---------- 右上角邮戳 ---------- */
.fl-postmark-img {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 2;
    width: 84px;
    height: 84px;
    object-fit: contain;
    transform: rotate(-10deg);
    pointer-events: none;
}

/* 文字邮戳（未设置图片时的回退） */
.fl-postmark {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 2;
    width: 64px;
    height: 64px;
    border: 2px solid var(--fl-post-red);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--fl-post-red);
    transform: rotate(-12deg);
    opacity: 0.85;
    pointer-events: none;
}

.fl-postmark::after {
    content: "";
    position: absolute;
    inset: 4px;
    border: 1px dashed currentColor;
    border-radius: 50%;
    opacity: 0.6;
}

.fl-postmark b {
    font-family: var(--fl-kai);
    font-size: 20px;
    line-height: 1;
}

.fl-postmark em {
    font-style: normal;
    font-size: 11px;
    line-height: 1.2;
}

/* ---------- 卡片集合 ---------- */
.fl-cards {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 32px);
    margin-top: 30px;
}

.fl-postcard--full {
    grid-column: 1 / -1;
}

/* ---------- 题头（封面明信片） ---------- */
.fl-hero {
    padding: 30px 28px 26px;
}

.fl-hero__title {
    margin: 0 0 14px;
    font-family: var(--fl-kai);
    font-size: clamp(30px, 4.6vw, 44px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.02em;
    text-wrap: balance;
    color: var(--caption-color, #1e293b);
}

.fl-hero__lede {
    max-width: 56ch;
    font-size: 16px;
    color: var(--text-secondary, #475569);
}

.fl-hero__to {
    margin-top: 14px;
    font-family: var(--fl-kai);
    font-size: 15px;
    color: var(--text-tertiary, #64748b);
}

/* ---------- 区块标题 ---------- */
.fl-title {
    margin: 0 0 16px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--border-hover, #cbd5e1);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0.01em;
    color: var(--caption-color, #1e293b);
}

/* ---------- 友链要求 ---------- */
.fl-requirements {
    list-style: none;
    margin: 0;
    padding: 0;
}

.fl-requirements li {
    position: relative;
    padding: 9px 0 9px 18px;
    border-bottom: 1px solid var(--border-secondary, #f1f5f9);
    color: var(--text-primary, #1e293b);
}

.fl-requirements li:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.fl-requirements li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 19px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--theme-color, #2563eb);
}

/* ---------- 关于本站：扁平键值对列表 ---------- */
.fl-about {
    font-size: 14px;
}

.fl-about__row {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 9px 0;
}

.fl-about__label {
    flex: 0 0 90px;
    text-align: left;
    color: var(--text-tertiary, #64748b);
}

.fl-about__value {
    flex: 1;
    min-width: 0;
    color: var(--text-primary, #1e293b);
    word-break: break-all;
}

.fl-about__value a {
    color: var(--color-link, #2563eb);
    text-decoration: underline;
}

/* ---------- 说明（便条） ---------- */
.fl-postcard--note {
    padding-bottom: 16px;
}

.fl-notice {
    list-style: none;
    margin: 0;
    padding: 12px 16px;
    border-left: 3px solid var(--color-warning, #f59e0b);
    background: var(--bg-secondary, #f8fafc);
    border-radius: 0 var(--border-radius-sm, 6px) var(--border-radius-sm, 6px) 0;
}

.fl-notice li {
    padding: 4px 0;
    font-size: 14px;
    color: var(--text-secondary, #475569);
}

/* ---------- 页面内容 ---------- */
.fl-custom {
    font-size: 15px;
    line-height: 1.85;
    color: var(--text-content, #333);
}

.fl-custom a {
    color: var(--color-link, #2563eb);
    text-decoration: underline;
}

/* ---------- 状态 / 提示 ---------- */
.fl-empty {
    color: var(--text-tertiary, #64748b);
}

.fl-callout {
    padding: 12px 16px;
    border: 1px dashed var(--border-primary, #e5e7eb);
    border-radius: var(--border-radius-sm, 6px);
    color: var(--text-tertiary, #64748b);
    font-size: 14px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
    .fl-cards {
        grid-template-columns: minmax(0, 1fr);
        gap: 18px;
        margin-top: 22px;
    }

    .fl-postcard--full {
        grid-column: auto;
    }

    .fl-postcard {
        padding: 20px 18px 18px;
    }

    .fl-hero {
        padding: 24px 18px 20px;
    }

    .fl-hero__title {
        font-size: 26px;
        line-height: 1.25;
    }

    .fl-title {
        font-size: 16px;
        margin-bottom: 12px;
    }

    /* 邮戳缩小，避免窄屏遮挡标题 */
    .fl-postmark-img {
        width: 56px;
        height: 56px;
        top: 12px;
        right: 12px;
    }

    .fl-postmark {
        width: 46px;
        height: 46px;
        top: 12px;
        right: 12px;
    }

    .fl-postmark b {
        font-size: 16px;
    }

    .fl-postmark em {
        font-size: 10px;
    }

    /* 关于本站键值对：窄屏改为上下堆叠 */
    .fl-about__row {
        flex-direction: column;
        gap: 2px;
    }

    .fl-about__label {
        flex: none;
        text-align: left;
    }
}

@media (max-width: 480px) {
    .fl-postcard {
        padding: 18px 14px 16px;
    }

    .fl-hero {
        padding: 20px 14px 18px;
    }

    .fl-hero__title {
        font-size: 22px;
    }

    .fl-hero__lede,
    .fl-hero__to {
        font-size: 14px;
    }

    .fl-postmark-img {
        width: 48px;
        height: 48px;
        top: 10px;
        right: 10px;
    }

    .fl-postmark {
        width: 40px;
        height: 40px;
        top: 10px;
        right: 10px;
    }

    .fl-postmark b {
        font-size: 14px;
    }

    /* 友链卡片列表：保持两列紧凑排列 */
    .fl-page .friendlink-card-list {
        grid-template-columns: 1fr 1fr;
    }

    .fl-page .friendlink-card-item {
        padding: 12px 10px;
    }

    /* 表单：地址输入框 + 按钮纵向堆叠 */
    .fl-page .wp-friendlink-apply-form .input-group {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .fl-page .wp-friendlink-apply-form .input-group .button {
        width: 100%;
        justify-content: center;
    }

    /* 表单：图标输入框 + 预览纵向堆叠 */
    .fl-page .wp-friendlink-apply-form .icon-wrapper {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .fl-page .wp-friendlink-apply-form .icon-preview {
        width: 100%;
        height: 56px;
    }
}

/* ---------- friendlink-apply 插件表单（在明信片内保证样式可见） ---------- */
.fl-page .wp-friendlink-apply-form-wrapper {
    margin: 6px 0 0;
}

.fl-page .wp-friendlink-apply-header {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg-secondary, #f8fafc);
    border: 1px solid var(--border-primary, #e9ecef);
    border-radius: var(--border-radius-sm, 6px);
}

.fl-page .wp-friendlink-apply-header .form-title {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary, #1e293b);
}

.fl-page .wp-friendlink-apply-header .form-description {
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary, #475569);
}

.fl-page .wp-friendlink-apply-form {
    margin-top: 12px;
    padding: 16px;
    background: transparent;
    border: 1px solid var(--border-primary, #e5e7eb);
    border-radius: var(--border-radius-sm, 6px);
}

.fl-page .wp-friendlink-apply-form .form-group {
    margin-bottom: 14px;
}

.fl-page .wp-friendlink-apply-form label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #1e293b);
}

.fl-page .wp-friendlink-apply-form .required {
    color: #e74c3c;
}

.fl-page .wp-friendlink-apply-form .description {
    margin: 6px 0 0;
    font-size: 12px;
    color: var(--text-tertiary, #6c757d);
}

.fl-page .wp-friendlink-apply-form input[type="text"],
.fl-page .wp-friendlink-apply-form input[type="url"],
.fl-page .wp-friendlink-apply-form input[type="email"],
.fl-page .wp-friendlink-apply-form textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 9px 12px;
    font-size: 14px;
    color: var(--text-content, #334155);
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-input, #e2e8f0);
    border-radius: var(--border-radius-sm, 6px);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.fl-page .wp-friendlink-apply-form textarea {
    resize: vertical;
}

.fl-page .wp-friendlink-apply-form input[type="text"]:focus,
.fl-page .wp-friendlink-apply-form input[type="url"]:focus,
.fl-page .wp-friendlink-apply-form input[type="email"]:focus,
.fl-page .wp-friendlink-apply-form textarea:focus {
    border-color: var(--theme-color, #409EFF);
    box-shadow: 0 0 0 3px rgba(64, 158, 255, 0.12);
    outline: none;
}

.fl-page .wp-friendlink-apply-form .input-group {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

.fl-page .wp-friendlink-apply-form .input-group input {
    flex: 1;
    min-width: 0;
}

.fl-page .wp-friendlink-apply-form .button,
.fl-page .wp-friendlink-apply-form .button-primary,
.fl-page .wp-friendlink-apply-form .button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: var(--theme-color, #409EFF);
    border: none;
    border-radius: var(--border-radius-sm, 6px);
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.2s ease;
}

.fl-page .wp-friendlink-apply-form .button:hover,
.fl-page .wp-friendlink-apply-form .button-primary:hover,
.fl-page .wp-friendlink-apply-form .button-secondary:hover {
    opacity: 0.88;
}

.fl-page .wp-friendlink-apply-form .button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.fl-page .wp-friendlink-apply-form .form-message {
    margin-top: 14px;
    padding: 12px 16px;
    border-radius: var(--border-radius-sm, 6px);
    font-size: 14px;
    font-weight: 600;
    text-align: center;
}

.fl-page .wp-friendlink-apply-form .form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #b8dabc;
}

.fl-page .wp-friendlink-apply-form .form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f1b0b7;
}