/* 优云图 公开站样式 —— 绿色主色（由 fx.site.theme-color 注入，默认 fx-water 深林绿）
 * 视觉：薄荷 hero + 白卡片 + 绿色胶囊按钮；themeStyle() 在 head 内联覆盖 --fx-*，改主色全站同步。
 * 此处 :root 仅作默认值（导出镜像/未注入时回退）。 */
:root {
    /* ===== 原生命令令牌（兼容别名） ===== */
    --accent: #0d9e6e;
    --accent-dark: #255bd0;
    --accent-soft: #eaf2ff;
    --bg: #f5f7fa;
    --card: #ffffff;
    --border: #e8ebf1;
    --text: #1f2430;
    --muted: #6b7280;
    --faint: #9aa3b2;
    --ok: #16a34a;
    --danger: #dc2626;

    /* ===== 兼容别名 & themeStyle 注入变量（运行时被 head 内联覆盖） ===== */
    --fx-primary: #2f6fed;
    --fx-primary-dark: #255bd0;
    --fx-deep: #1e3a5f;
    --fx-primary-soft: #eaf2ff;
    --fx-card-border: #e3e9f5;
    --fx-card-border-hover: #c9d8f5;
    --fx-text-title: #1f2430;
    --fx-text-body: #4b5563;
    --fx-text-desc: #6b7280;
    --fx-text-muted: #9aa3b2;
    --fx-line: #e8ebf1;
    --fx-bg: #f5f7fa;

    /* 兼容旧别名（list/article 页曾引用 --site-*） */
    --site-primary: var(--fx-primary);
    --site-text: var(--fx-text-title);
    --site-muted: var(--fx-text-muted);
    --site-border: var(--fx-line);
    --site-bg: var(--fx-bg);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Microsoft YaHei", sans-serif;
    color: var(--fx-text-body);
    background: linear-gradient(180deg, #f8fafc 0%, #f2f5f9 100%);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--fx-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

/* ===== 顶部导航：浅色干净条（与 sinter 的明亮基调一致） ===== */
.site-header {
    background: #ffffff;
    border-bottom: 1px solid var(--fx-line);
}
.site-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1040px;
    margin: 0 auto;
    padding: 16px 24px;
}
.site-brand {
    font-size: 19px;
    font-weight: 700;
    color: var(--fx-text-title);
    letter-spacing: 1px;
}
.site-brand:hover { text-decoration: none; color: var(--fx-text-title); }
.site-nav a { margin-left: 20px; color: var(--fx-muted); font-size: 15px; }
.site-nav a:hover { color: var(--fx-primary); text-decoration: none; }

/* ===== 首页 hero：浅色熊猫页头（对齐 sinter .site-header 多层背景 + 右侧熊猫） ===== */
.hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: 44px 0 30px;
    background-color: #dcefe1;
    background-image:
        linear-gradient(180deg, rgba(255, 255, 255, .12) 0%, rgba(255, 255, 255, .02) 40%, rgba(247, 251, 249, .66) 84%, #f8fafc 100%),
        radial-gradient(680px 420px at 6% 26%, rgba(146, 201, 163, .70) 0%, rgba(178, 216, 189, .34) 46%, rgba(220, 239, 225, 0) 74%),
        radial-gradient(560px 340px at 30% 92%, rgba(178, 214, 226, .34) 0%, rgba(214, 234, 224, 0) 70%);
    background-size: auto, auto, auto;
    background-position: center, center, center;
    background-repeat: no-repeat;
}
/* 熊猫插画独立图层：图片四边 alpha 羽化（左 30% 渐隐最宽、右 10%/上 16%/下 14%），
   直接叠在绿色 hero 上即呈柔和渐变，无需 CSS 遮罩；
   右移避开右缘，整张脸落在右侧空白区。 */
.hero::before {
    content: "";
    position: absolute; inset: 0; z-index: 0;
    background-image: url(/img/header-panda.png?v=20261105-5);
    background-repeat: no-repeat;
    background-size: 600px auto;
    background-position: calc(100% + 130px) 96%;
    pointer-events: none;
}
/* 底部渐隐到页面浅色背景，避免熊猫/图片下缘生硬 */
.hero::after {
    content: "";
    position: absolute; left: 0; right: 0; bottom: -1px; height: 64px;
    z-index: 1;
    background: linear-gradient(180deg, rgba(248, 250, 252, 0) 0%, #f8fafc 94%);
    pointer-events: none;
}
.hero-inner {
    position: relative; z-index: 2;
    max-width: 1040px; margin: 0 auto; padding: 0 24px;
}
.hero-eyebrow {
    display: block;
    margin: 0 0 10px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 6px;
    color: #1c6b4c;
}
.hero-title {
    margin: 0;
    font-size: 40px;
    font-weight: 800;
    line-height: 1.25;
    color: #1e2d27;
    letter-spacing: 1px;
    text-shadow: 0 1px 0 rgba(255, 255, 255, .5);
}
.hero-intro {
    margin: 14px 0 0;
    max-width: 560px;
    font-size: 16px;
    line-height: 1.7;
    color: #4f6359;
}
/* 主 CTA：蓝底白字（对齐 sinter button.primary） */
.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 24px;
    padding: 13px 26px;
    border-radius: 11px;
    background: var(--fx-primary);
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    box-shadow: 0 6px 16px -8px rgba(47, 111, 237, .7);
}
.hero-cta:hover { text-decoration: none; background: var(--fx-primary-dark); color: #fff; }

/* ===== 列表 / 详情页 hero 带：复用首页多层背景 + 熊猫图层 + 底部渐隐，压缩高度作页头 ===== */
.hero--band { padding: 36px 0 30px; }
.hero--band .hero-title { font-size: 27px; }
.hero--band .hero-intro { margin-top: 8px; font-size: 14.5px; }
.hero--band .breadcrumb { margin: 0 0 10px; }
.hero--band .hero-meta { margin: 10px 0 0; font-size: 14px; }
/* 熊猫图层在内页改为「完整显示」：背景带矮（首页 ::before 是 600px 固定宽 + 96% 定位，
   矮带只露底部一条、头部被裁；≤980px 还会切 cover 进一步放大），
   这里钉成高度=带高（auto 100%），整只熊猫收进右侧，任何宽度都完整。 */
.hero--band::before {
    background-size: auto 100%;
    background-position: right 16px bottom;
}
@media (max-width: 980px) {
    .hero--band::before { background-position: right 12px bottom; }
}
@media (max-width: 560px) {
    .hero--band { padding: 24px 0 20px; }
    .hero--band .hero-title { font-size: 22px; }
    .hero--band::before { background-position: right 8px bottom; opacity: .55; }
}

/* ===== 首页快捷入口：绿色胶囊按钮（对齐参考样式：胶囊 + 白字 + 箭头） ===== */
.quick {
    position: relative;
    z-index: 2;
    margin-top: -14px;
}
.quick-inner {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 24px;
}
.quick-tip {
    margin: 0 0 12px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--fx-text-muted);
}
.quick-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.tool-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: 999px;
    background: var(--fx-primary);
    color: #fff;
    font-size: 14.5px;
    font-weight: 600;
    line-height: 1;
    box-shadow: 0 8px 18px -10px rgba(13, 158, 110, .75);
    transition: transform .14s ease, background .14s ease, box-shadow .14s ease;
}
.tool-pill:hover {
    text-decoration: none;
    background: var(--fx-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 22px -12px rgba(13, 158, 110, .85);
}
.tool-pill-arrow { font-size: 17px; line-height: 1; opacity: .9; }

/* ===== 白色圆角面板（对齐 sinter .card 质感） ===== */
.sheet {
    background: #fff;
    border-radius: 22px;
    max-width: 1040px;
    margin: 22px auto 0;
    padding: 26px 24px 40px;
    box-shadow: 0 1px 2px rgba(20, 29, 45, .04), 0 8px 24px -18px rgba(20, 29, 45, .18);
}
.sheet-inner { max-width: 1040px; margin: 0 auto; }

.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 18px;
}
.section-title {
    margin: 0;
    font-size: 19px;
    font-weight: 700;
    color: var(--fx-text-title);
    letter-spacing: 0.5px;
}
.section-more { font-size: 14px; color: var(--fx-text-muted); }
.section-more:hover { color: var(--fx-primary); text-decoration: none; }

/* ===== 首页分类分组：组间留白 + 锚点跳转预留头部高度 ===== */
.home-section { margin-bottom: 36px; scroll-margin-top: 18px; }
.home-section:last-child { margin-bottom: 0; }
html { scroll-behavior: smooth; }

/* ===== 卡片网格（对齐 sinter .card：白底 + 浅灰边 + 柔和阴影 + 悬浮抬升） ===== */
.card-list { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
.card {
    border: 1px solid var(--fx-card-border);
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
    box-shadow: 0 1px 2px rgba(20, 29, 45, .04), 0 8px 24px -18px rgba(20, 29, 45, .18);
}
.card-link { display: block; color: inherit; }
.card-link:hover { text-decoration: none; }
.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 30px -16px rgba(20, 29, 45, .22);
    border-color: var(--fx-card-border-hover);
}
/* 封面：有图显示图片，无图显示绿色渐变 + 首字（避免 seed 无缩略图时纯文字块） */
.card-cover {
    position: relative;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--fx-primary) 0%, var(--fx-primary-dark) 100%);
}
.card-cover.has-img { background: var(--fx-primary-soft); }
/* 无图兜底：叠柔光高光 + 角部半透明圆斑，制造景深，避免"空块 / placeholder"观感 */
.card-cover.no-img {
    background:
        radial-gradient(140% 130% at 82% -12%, rgba(255, 255, 255, .30), rgba(255, 255, 255, 0) 52%),
        radial-gradient(120% 120% at 0% 116%, rgba(0, 0, 0, .20), rgba(0, 0, 0, 0) 46%),
        linear-gradient(135deg, var(--fx-primary) 0%, var(--fx-primary-dark) 100%);
}
.card-cover.no-img::after {
    content: "";
    position: absolute;
    right: -34px;
    top: -34px;
    width: 128px;
    height: 128px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .12);
    pointer-events: none;
}
.card-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
/* 首字改为玻璃质感圆角徽标，有承载、有层次，而非孤字漂浮 */
.card-initial {
    position: relative;
    z-index: 1;
    font-size: 46px;
    font-weight: 800;
    color: #fff;
    width: 76px;
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: rgba(255, 255, 255, .16);
    box-shadow: 0 8px 22px -10px rgba(0, 0, 0, .45), inset 0 1px 0 rgba(255, 255, 255, .40);
    letter-spacing: 0;
    text-shadow: 0 1px 3px rgba(0, 0, 0, .22);
}
.card-body { padding: 14px 16px 16px; }
.card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.card-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--fx-primary);
    background: var(--fx-primary-soft);
    padding: 2px 10px;
    border-radius: 999px;
}
.card-date { color: var(--fx-text-muted); font-size: 12.5px; }
.card-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 6px;
    color: var(--fx-text-title);
    line-height: 1.4;
}
.card-summary {
    color: var(--fx-text-desc);
    font-size: 13.5px;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== 列表 / 文章页（复用同一套蓝色令牌） ===== */
.site-main { max-width: 1040px; margin: 0 auto; padding: 28px 24px 48px; }
.page-title { font-size: 22px; margin: 0 0 6px; color: var(--fx-text-title); }
.list-intro { margin: 0 0 20px; color: var(--fx-text-desc); font-size: 14.5px; max-width: 720px; line-height: 1.7; }

.pagination { display: flex; align-items: center; gap: 16px; margin: 28px 0; }
.page-prev, .page-next {
    padding: 9px 16px;
    border-radius: 11px;
    background: #fff;
    border: 1px solid var(--fx-border);
    color: var(--fx-text);
    font-size: 14px;
}
.page-prev:hover, .page-next:hover { border-color: var(--fx-primary); color: var(--fx-primary); text-decoration: none; }
.page-info { color: var(--fx-text-muted); font-size: 14px; }

.empty { color: var(--fx-text-muted); }

/* ===== 纯标题列表（分类 list_style=title）：白卡行式条目 ===== */
.row-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.row-item {
    background: #fff;
    border: 1px solid var(--fx-card-border);
    border-radius: 12px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
    box-shadow: 0 1px 2px rgba(20, 29, 45, .04);
}
.row-link {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding: 13px 18px;
    color: inherit;
}
.row-link:hover {
    text-decoration: none;
    border-radius: 12px;
    box-shadow: 0 10px 22px -14px rgba(20, 29, 45, .25);
    border-color: transparent;
    transform: translateY(-1px);
}
.row-link:hover .row-title { color: var(--fx-primary); }
.row-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--fx-text-title);
    line-height: 1.5;
    transition: color 0.14s ease;
}
.row-date {
    flex: none;
    color: var(--fx-text-muted);
    font-size: 12.5px;
}

/* 详情页内容容器（标题/正文/相关/按钮同宽居中，避免与全宽相关区错位） */
.post-wrap { max-width: 820px; margin: 0 auto; }
.post { margin: 0; }
.post-head { margin-bottom: 18px; }
.post-title { font-size: 26px; margin: 8px 0 10px; color: var(--fx-text-title); }
.post-meta { color: var(--fx-text-muted); font-size: 14px; display: flex; gap: 12px; }
/* 详情 banner：有图显示大图，无图显示绿色渐变 + 标题（避免 placeholder 占位框） */
.post-banner {
    position: relative;
    height: 240px;
    border-radius: 18px;
    overflow: hidden;
    margin: 0 0 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--fx-primary) 0%, var(--fx-primary-dark) 100%);
    box-shadow: 0 12px 30px -18px rgba(13, 158, 110, .55);
}
.post-banner.has-img { background: var(--fx-primary-soft); }
.post-banner-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.post-banner-text { color: #fff; font-size: 24px; font-weight: 800; line-height: 1.4; padding: 0 28px; text-align: center; text-shadow: 0 2px 12px rgba(0, 0, 0, .2); }

/* ===== 相关功能推荐 ===== */
.related { margin-top: 42px; }
.related-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--fx-text-title);
    padding-left: 13px;
    border-left: 4px solid var(--fx-primary);
}
.related-list { grid-template-columns: repeat(3, 1fr); }

/* ===== 详情页行动按钮 ===== */
.post-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.cta-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 24px;
    border-radius: 999px;
    background: var(--fx-primary);
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    box-shadow: 0 10px 20px -12px rgba(13, 158, 110, .8);
    transition: background .14s ease, transform .14s ease;
}
.cta-pill:hover { text-decoration: none; background: var(--fx-primary-dark); color: #fff; transform: translateY(-2px); }
.cta-ghost {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    border-radius: 999px;
    border: 1px solid var(--fx-line);
    color: var(--fx-text-body);
    font-weight: 600;
    font-size: 15px;
    background: #fff;
    transition: border-color .14s ease, color .14s ease;
}
.cta-ghost:hover { text-decoration: none; border-color: var(--fx-primary); color: var(--fx-primary); }
/* ===== 文章正文：图文混合排（功能介绍文章的排版基线） ===== */
.post-content { margin-top: 18px; color: var(--fx-text-body); font-size: 16px; line-height: 1.85; }
.post-content p { margin: 0 0 18px; }
.post-content h2 {
    margin: 30px 0 14px;
    padding-left: 14px;
    border-left: 4px solid var(--fx-primary);
    font-size: 21px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--fx-text-title);
}
.post-content h3 { margin: 24px 0 12px; font-size: 18px; font-weight: 700; color: var(--fx-text-title); }
.post-content ul, .post-content ol { margin: 0 0 18px; padding-left: 22px; }
.post-content li { margin: 8px 0; }
.post-content a { color: var(--fx-primary); }
.post-content strong { color: var(--fx-text-title); }
.post-content blockquote {
    margin: 0 0 18px;
    padding: 12px 16px;
    background: var(--fx-primary-soft);
    border-left: 4px solid var(--fx-primary);
    border-radius: 0 10px 10px 0;
}
.post-content hr { border: none; border-top: 1px solid var(--fx-line); margin: 26px 0; }
.post-content img { display: block; width: 100%; height: auto; border-radius: 14px; margin: 20px 0; background: var(--fx-primary-soft); }

/* 图说：图文混合的「图」与「文」配对 */
.post-content figure { margin: 22px 0; }
.post-content figure img { margin: 0; }
.post-content figcaption { margin-top: 10px; font-size: 13.5px; line-height: 1.6; text-align: center; color: var(--fx-text-muted); }

/* 左文右图 / 左图右文 两栏混排（桌面端）；窄屏自动堆叠 */
.post-content .media-text { display: flex; gap: 18px; align-items: center; margin: 22px 0; }
.post-content .media-text .mt-media { flex: 0 0 44%; }
.post-content .media-text .mt-media img { margin: 0; }
.post-content .media-text .mt-body { flex: 1; min-width: 0; }
.post-content .media-text.reverse { flex-direction: row-reverse; }
.post-content .media-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 22px 0; }
.post-content .media-grid figure { margin: 0; }

@media (max-width: 560px) {
    .post-content .media-text, .post-content .media-text.reverse { flex-direction: column; }
    .post-content .media-grid { grid-template-columns: 1fr; }
}

.notfound { text-align: center; padding: 64px 0; }
.notfound-code { font-size: 56px; margin: 0 0 8px; color: var(--fx-primary); }

/* ===== 底部 ===== */
.site-footer {
    max-width: 1040px;
    margin: 0 auto;
    padding: 28px 24px 40px;
    border-top: 1px solid var(--fx-line);
    color: var(--fx-text-muted);
    font-size: 14px;
}
.site-copy { margin: 4px 0 0; }

/* ===== 面包屑（详情页，百度强推的结构化导航） ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0 0 16px;
    font-size: 13px;
    color: var(--fx-text-muted);
}
.breadcrumb a { color: var(--fx-primary); }
.breadcrumb a:hover { text-decoration: none; }
.breadcrumb .sep { color: var(--fx-text-muted); }
.breadcrumb .current { color: var(--fx-text-title); }

/* ===== 响应式 ===== */
@media (max-width: 980px) {
    .hero::before {
        background-size: cover;
        background-position: 72% 26%;
    }
}
@media (max-width: 900px) {
    .card-list { grid-template-columns: repeat(2, 1fr); }
    .hero-title { font-size: 34px; }
}
@media (max-width: 560px) {
    .card-list { grid-template-columns: 1fr; }
    .hero { padding: 32px 0 26px; }
    .hero-title { font-size: 28px; }
    .hero-inner { padding: 0 16px; }
    .sheet { padding: 20px 16px 32px; border-radius: 18px; margin-left: 14px; margin-right: 14px; }
    .quick-inner { padding: 0 16px; }
    .tool-pill { font-size: 13.5px; padding: 9px 15px; }
    .post-banner { height: 170px; }
    .post-banner-text { font-size: 19px; }
    .post-title { font-size: 22px; }
    .related-list { grid-template-columns: 1fr; }
}