/**
 * jm-core 自带的样式。
 *
 * 这些界面（栏目总览、分类广告的筛选与卡片）由 mu-plugins 的短代码输出，
 * 所以样式也必须跟着 mu-plugins 走 —— 放在子主题里的话，站点一换主题，
 * 页面就只剩没有排版的裸标签。这正是换主题时踩过的坑。
 *
 * 颜色全部写成 `var(--jm-token, 兜底值)`：子主题在时沿用它的配色，
 * 不在时退回这套默认值，两种情况下都能看。
 */


/* =============================================================
   1. 栏目总览
   ============================================================= */

.jm-columns__group {
	margin-block-end: 2.5rem;
	/* 导航用 /columns/#news 跳进来，留出吸顶页头的高度，
	   否则标题会被页头盖住 */
	scroll-margin-block-start: 6rem;
}

.jm-columns__group-title {
	font-size: 1.35rem;
	margin: 0 0 1rem;
	padding-block-end: 0.5rem;
	border-block-end: 2px solid var(--jm-red, #c8102e);
}

.jm-columns__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 1.25rem;
}

.jm-column-card {
	border: 1px solid var(--jm-line, #e2e2e2);
	border-radius: var(--jm-radius, 4px);
	padding: 1rem 1.1rem 1.1rem;
	background: var(--jm-bg, #ffffff);
}

.jm-column-card__title {
	margin: 0 0 0.4rem;
	font-size: 1.05rem;
}

.jm-column-card__title a {
	color: var(--jm-ink, #1a1a1a);
	text-decoration: none;
}

.jm-column-card__title a:hover,
.jm-column-card__title a:focus-visible {
	color: var(--jm-red-dark, #9c0c24);
	text-decoration: underline;
}

.jm-column-card__desc {
	margin: 0 0 0.75rem;
	font-size: 0.875rem;
	line-height: 1.75;
	color: var(--jm-ink-muted, #595959);
}

.jm-column-card__list {
	margin: 0;
	padding: 0;
	list-style: none;
	border-block-start: 1px solid var(--jm-line, #e2e2e2);
	padding-block-start: 0.6rem;
}

.jm-column-card__list li {
	margin-block-end: 0.4rem;
	font-size: 0.9rem;
	line-height: 1.6;
}

.jm-column-card__list a {
	color: var(--jm-ink, #1a1a1a);
	text-decoration: none;
}

.jm-column-card__list a:hover,
.jm-column-card__list a:focus-visible {
	color: var(--jm-red-dark, #9c0c24);
	text-decoration: underline;
}

.jm-column-card__empty {
	margin: 0;
	font-size: 0.8125rem;
	color: var(--jm-ink-muted, #595959);
}


/* =============================================================
   2. 分类广告（筛选条与卡片）
   ============================================================= */

.jm-directory {
	margin-block: 1.5rem;
}

.jm-directory__filters {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	align-items: flex-end;
	padding: 1rem;
	background: var(--jm-bg-alt, #f7f7f7);
	border-radius: var(--jm-radius, 4px);
	margin-block-end: 1.5rem;
}

.jm-directory__field {
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
	font-size: 0.875rem;
	color: var(--jm-ink-muted, #595959);
	min-width: 9rem;
}

.jm-directory__field--grow {
	flex: 1 1 12rem;
}

.jm-directory__field select,
.jm-directory__field input {
	font-family: inherit;
	font-size: 1rem;
	padding: 0.5rem 0.6rem;
	border: 1px solid var(--jm-line, #e2e2e2);
	border-radius: var(--jm-radius, 4px);
	background: var(--jm-bg, #ffffff);
	color: var(--jm-ink, #1a1a1a);
	/* 移动端 Safari 在字号 <16px 时会自动放大页面，这里必须保持 1rem */
	min-height: 2.75rem;
}

.jm-directory__submit {
	font-family: inherit;
	font-size: 1rem;
	min-height: 2.75rem;
	padding: 0.5rem 1.5rem;
	border: 0;
	border-radius: var(--jm-radius, 4px);
	background: var(--jm-red, #c8102e);
	color: #fff;
	cursor: pointer;
}

.jm-directory__submit:hover,
.jm-directory__submit:focus-visible {
	background: var(--jm-red-dark, #9c0c24);
}

.jm-directory__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 1.25rem;
}

.jm-directory__empty {
	padding: 2rem 0;
	color: var(--jm-ink-muted, #595959);
}

.jm-directory__pagination {
	margin-block-start: 1.5rem;
	display: flex;
	gap: 0.5rem;
	flex-wrap: wrap;
}

.jm-directory__pagination .page-numbers {
	display: inline-block;
	min-width: 2.5rem;
	min-height: 2.5rem;
	line-height: 2.5rem;
	text-align: center;
	padding-inline: 0.5rem;
	border: 1px solid var(--jm-line, #e2e2e2);
	border-radius: var(--jm-radius, 4px);
	text-decoration: none;
	color: var(--jm-ink, #1a1a1a);
}

.jm-directory__pagination .page-numbers.current {
	background: var(--jm-red, #c8102e);
	border-color: var(--jm-red, #c8102e);
	color: #fff;
}

.jm-biz {
	border: 1px solid var(--jm-line, #e2e2e2);
	border-radius: var(--jm-radius, 4px);
	padding: 1rem;
	background: var(--jm-bg, #ffffff);
}

.jm-biz__thumb img {
	display: block;
	width: 100%;
	aspect-ratio: 4 / 3;
	object-fit: cover;
	border-radius: var(--jm-radius, 4px);
	margin-block-end: 0.75rem;
}

.jm-biz__title {
	margin: 0 0 0.4rem;
	font-size: 1.05rem;
	line-height: 1.5;
}

.jm-biz__title a {
	color: var(--jm-ink, #1a1a1a);
	text-decoration: none;
}

.jm-biz__title a:hover,
.jm-biz__title a:focus-visible {
	color: var(--jm-red-dark, #9c0c24);
	text-decoration: underline;
}

.jm-biz__meta {
	margin: 0 0 0.5rem;
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	font-size: 0.8125rem;
}

.jm-biz__tag,
.jm-biz__city {
	display: inline-block;
	padding: 0.1rem 0.5rem;
	border-radius: 2px;
	background: var(--jm-bg-alt, #f7f7f7);
	color: var(--jm-ink-muted, #595959);
}

.jm-biz__city {
	background: #fdeef0;
	color: var(--jm-red-dark, #9c0c24);
}

.jm-biz__line {
	margin: 0.25rem 0 0;
	font-size: 0.875rem;
	color: var(--jm-ink-muted, #595959);
	line-height: 1.7;
}

.jm-biz__line a {
	color: var(--jm-ink-muted, #595959);
}

@media (max-width: 600px) {
	.jm-directory__filters {
		flex-direction: column;
		align-items: stretch;
	}

	.jm-directory__submit {
		width: 100%;
	}
}




/* =============================================================
   3. 设计令牌
   ============================================================= */
:root {
	/* 中文系统字体栈 —— 绝不加载中文 Web 字体（完整中文字体 3–8MB，
	   会彻底毁掉移动端首屏）。见 docs/operations.md 的性能红线。 */
	--jm-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI",
		"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
		"Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
	--jm-font-serif: Georgia, "Songti SC", "SimSun", serif;

	--jm-red: #c8102e;          /* 主色，用于头条、栏目标识 */
	--jm-red-dark: #9c0c24;     /* hover / 已访问 */
	--jm-ink: #1a1a1a;          /* 正文 —— 对白底对比度 16.1:1 */
	--jm-ink-muted: #595959;    /* 元信息 —— 对白底 7.0:1，仍达 AAA */
	--jm-line: #e2e2e2;
	--jm-bg: #ffffff;
	--jm-bg-alt: #f7f7f7;

	--jm-focus: #0057b8;        /* 键盘焦点环，与主色区分以免混淆 */

	--jm-space: 1rem;
	--jm-radius: 4px;
	--jm-maxw: 1200px;
}


/* =============================================================
   4. 栏目区块（首页各模块通用）
   ============================================================= */
.jm-section {
	max-width: var(--jm-maxw, 1200px);
	margin-inline: auto;
	padding-inline: var(--jm-space, 1rem);
	margin-block-end: 2.5rem;
}

.jm-section__head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 1rem;
	border-block-end: 2px solid var(--jm-red, #c8102e);
	padding-block-end: 0.5rem;
	margin-block-end: 1.25rem;
}

.jm-section__title {
	font-size: 1.375rem;
	margin: 0;
}

.jm-section__more {
	font-size: 0.9375rem;
	color: var(--jm-ink-muted, #595959);
	text-decoration: none;
	flex: none;
}
.jm-section__more:hover { color: var(--jm-red, #c8102e); }

.jm-grid {
	display: grid;
	gap: 1.5rem;
	grid-template-columns: 1fr;
}
@media (min-width: 600px)  { .jm-grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px)  { .jm-grid--3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 600px)  { .jm-grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .jm-grid--4 { grid-template-columns: repeat(4, 1fr); } }


/* =============================================================
   5. 文章卡片
   ============================================================= */
.jm-card { display: flex; flex-direction: column; gap: 0.625rem; }

.jm-card__media {
	position: relative;
	display: block;
	aspect-ratio: 16 / 9;
	overflow: hidden;
	background: var(--jm-bg-alt, #f7f7f7);
	border-radius: var(--jm-radius, 4px);
}
.jm-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.3s ease;
}
.jm-card:hover .jm-card__media img { transform: scale(1.04); }

@media (prefers-reduced-motion: reduce) {
	.jm-card__media img { transition: none; }
	.jm-card:hover .jm-card__media img { transform: none; }
}

.jm-card__title {
	font-size: 1.0625rem;
	line-height: 1.5;
	margin: 0;
}
.jm-card__title a { color: var(--jm-ink, #1a1a1a); text-decoration: none; }
.jm-card__title a:hover { color: var(--jm-red, #c8102e); }

.jm-card__meta {
	font-size: 0.8125rem;
	color: var(--jm-ink-muted, #595959);
	display: flex;
	gap: 0.75rem;
	flex-wrap: wrap;
}

.jm-card__excerpt {
	font-size: 0.9375rem;
	line-height: 1.7;
	color: var(--jm-ink-muted, #595959);
	margin: 0;
}

/* 头条：1 大 + N 小 */
.jm-lead {
	display: grid;
	gap: 1.5rem;
	grid-template-columns: 1fr;
	max-width: var(--jm-maxw, 1200px);
	margin: 1.5rem auto 2.5rem;
	padding-inline: var(--jm-space, 1rem);
}
@media (min-width: 900px) {
	.jm-lead { grid-template-columns: 1.6fr 1fr; }
	.jm-lead__secondary { display: grid; gap: 1rem; align-content: start; }
	.jm-lead__secondary .jm-card { flex-direction: row; gap: 0.75rem; }
	.jm-lead__secondary .jm-card__media { flex: 0 0 110px; aspect-ratio: 4 / 3; }
}
.jm-lead__primary .jm-card__title { font-size: 1.625rem; font-weight: 700; }


/* =============================================================
   6. 广告位
   广告必须与新闻内容视觉区隔并标注「广告」—— FTC 合规要求，
   也是新闻站的信任基础。无素材时整块不渲染，避免布局跳动（CLS）。
   ============================================================= */
.jm-ad {
	max-width: var(--jm-maxw, 1200px);
	margin: 2rem auto;
	padding-inline: var(--jm-space, 1rem);
	text-align: center;
}
.jm-ad__label {
	display: block;
	font-size: 0.6875rem;
	letter-spacing: 0.1em;
	color: var(--jm-ink-muted, #595959);
	text-align: start;
	margin-block-end: 0.25rem;
	padding-block-start: 0.25rem;
	border-block-start: 1px solid var(--jm-line, #e2e2e2);
}
.jm-ad__body img { display: block; margin-inline: auto; height: auto; }


/* =============================================================
   7. 移动端底部导航
   ============================================================= */
.jm-tabbar {
	position: fixed;
	inset-block-end: 0;
	inset-inline: 0;
	z-index: 100;
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	background: var(--jm-bg, #ffffff);
	border-block-start: 1px solid var(--jm-line, #e2e2e2);
	padding-block-end: env(safe-area-inset-bottom); /* iPhone home indicator */
}
.jm-tabbar__item {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 2px;
	padding: 0.5rem 0.25rem;
	font-size: 0.6875rem;
	color: var(--jm-ink-muted, #595959);
	text-decoration: none;
	min-height: 48px;          /* 触摸目标下限 */
	justify-content: center;
}
.jm-tabbar__item[aria-current="page"] { color: var(--jm-red, #c8102e); }
.jm-tabbar__icon { font-size: 1.125rem; line-height: 1; }

@media (min-width: 768px) { .jm-tabbar { display: none; } }
@media (max-width: 767px) { body { padding-block-end: 60px; } }


/* =============================================================
   8. 分享按钮
   ============================================================= */
.jm-share {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-block: 2rem 1rem;
	padding-block-start: 1rem;
	border-block-start: 1px solid var(--jm-line, #e2e2e2);
	position: relative;
}

.jm-share__label {
	font-size: 0.875rem;
	color: var(--jm-ink-muted, #595959);
	margin-inline-end: 0.25rem;
}

.jm-share__btn {
	display: inline-flex;
	align-items: center;
	gap: 0.375rem;
	/* 44px 触摸目标下限 —— 移动端流量占大头 */
	min-height: 44px;
	padding: 0.5rem 0.875rem;
	font: inherit;
	font-size: 0.875rem;
	color: var(--jm-ink, #1a1a1a);
	background: var(--jm-bg-alt, #f7f7f7);
	border: 1px solid var(--jm-line, #e2e2e2);
	border-radius: var(--jm-radius, 4px);
	text-decoration: none;
	cursor: pointer;
}
.jm-share__btn:hover {
	background: var(--jm-bg, #ffffff);
	border-color: var(--jm-ink-muted, #595959);
	color: var(--jm-red, #c8102e);
}

.jm-share__btn--wechat:hover { color: #07c160; }

.jm-share__toast {
	font-size: 0.8125rem;
	color: var(--jm-ink-muted, #595959);
	opacity: 0;
	transition: opacity 0.2s ease;
}
.jm-share__toast.is-visible { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
	.jm-share__toast { transition: none; }
}

/* 移动端：按钮只留图标，省出横向空间 */
@media (max-width: 480px) {
	.jm-share__btn span:last-child { display: none; }
	.jm-share__btn--wechat span:last-child { display: none; }
	.jm-share__btn { padding-inline: 0.75rem; }
	.jm-share__toast { flex-basis: 100%; }
}


/* =============================================================
   9. 视频
   ============================================================= */

/* 播放器：16:9 自适应容器。oEmbed 返回的 iframe 带固定宽高属性，
   不套容器在移动端会溢出。 */
.jm-video-embed {
	position: relative;
	margin-block-end: 1.5rem;
	background: #000;
	border-radius: var(--jm-radius, 4px);
	overflow: hidden;
}
.jm-video-embed iframe,
.jm-video-embed video,
.jm-video-embed object,
.jm-video-embed embed {
	display: block;
	width: 100%;
	aspect-ratio: 16 / 9;
	height: auto;
	border: 0;
}

/* 列表页封面上的播放标识 */
.jm-card__play {
	position: absolute;
	inset-block-end: 0.5rem;
	inset-inline-start: 0.5rem;
	width: 2.25rem;
	height: 2.25rem;
	border-radius: 50%;
	background: rgba(0, 0, 0, 0.6);
	pointer-events: none;
}
.jm-card__play::after {
	content: "";
	position: absolute;
	inset-block-start: 50%;
	inset-inline-start: 52%;
	transform: translate(-50%, -50%);
	border-inline-start: 0.7rem solid #fff;
	border-block-start: 0.45rem solid transparent;
	border-block-end: 0.45rem solid transparent;
}

.jm-lead__primary .jm-card__play {
	width: 3.25rem;
	height: 3.25rem;
}
.jm-lead__primary .jm-card__play::after {
	border-inline-start-width: 1rem;
	border-block-start-width: 0.65rem;
	border-block-end-width: 0.65rem;
}

/* 归档页封面的播放标识。Kadence 的缩略图容器是 .post-thumbnail，
   需要相对定位才能承载绝对定位的标识。 */
.post-thumbnail { position: relative; }

.jm-loop-play {
	position: absolute;
	inset-block-end: 0.75rem;
	inset-inline-start: 0.75rem;
	z-index: 2;
	width: 2.5rem;
	height: 2.5rem;
	border-radius: 50%;
	background: rgba(0, 0, 0, 0.6);
	pointer-events: none;
}
.jm-loop-play::after {
	content: "";
	position: absolute;
	inset-block-start: 50%;
	inset-inline-start: 52%;
	transform: translate(-50%, -50%);
	border-inline-start: 0.8rem solid #fff;
	border-block-start: 0.5rem solid transparent;
	border-block-end: 0.5rem solid transparent;
}



/* =============================================================
   10. 活动卡片
   ============================================================= */

.jm-event {
	display: flex;
	flex-direction: column;
	border: 1px solid var(--jm-line, #e2e2e2);
	border-radius: var(--jm-radius, 4px);
	overflow: hidden;
	background: var(--jm-bg, #ffffff);
}

.jm-event__thumb img {
	display: block;
	width: 100%;
	aspect-ratio: 16 / 9;
	object-fit: cover;
}

.jm-event__body {
	padding: 0.9rem 1rem 1rem;
}

/* 时间放在标题之上并用主色 —— 活动列表里读者第一眼找的就是日期 */
.jm-event__when {
	margin: 0 0 0.35rem;
	font-size: 0.9rem;
	font-weight: 700;
	color: var(--jm-red, #c8102e);
	letter-spacing: 0.02em;
}

.jm-event__title {
	margin: 0 0 0.35rem;
	font-size: 1.05rem;
	line-height: 1.5;
}

.jm-event__title a {
	color: var(--jm-ink, #1a1a1a);
	text-decoration: none;
}

.jm-event__title a:hover,
.jm-event__title a:focus-visible {
	color: var(--jm-red-dark, #9c0c24);
	text-decoration: underline;
}

.jm-event__where {
	margin: 0;
	font-size: 0.875rem;
	color: var(--jm-ink-muted, #595959);
}

.jm-event__rsvp {
	margin: 0.6rem 0 0;
	font-size: 0.8125rem;
	display: inline-block;
	padding: 0.15rem 0.5rem;
	border-radius: 2px;
}

/* 颜色之外再给文字，色觉障碍用户不靠颜色也能分辨状态 */
.jm-event__rsvp--open {
	background: #e8f3ea;
	color: #1c6b32;
}

.jm-event__rsvp--closed {
	background: var(--jm-bg-alt, #f7f7f7);
	color: var(--jm-ink-muted, #595959);

}
/* =============================================================
   11. 首页栏目速览
   ============================================================= */

/* 首页的低频栏目速览：四个窄栏，只出标题 */
.jm-digest__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 1.5rem;
}

.jm-digest__name {
	margin: 0 0 0.6rem;
	font-size: 1rem;
	padding-block-end: 0.4rem;
	border-block-end: 1px solid var(--jm-line, #e2e2e2);
}

.jm-digest__name a {
	color: var(--jm-red-dark, #9c0c24);
	text-decoration: none;
}

.jm-digest__list {
	margin: 0;
	padding: 0;
	list-style: none;
}

.jm-digest__list li {
	margin-block-end: 0.55rem;
	font-size: 0.9rem;
	line-height: 1.7;
	/* 标题长短不一，靠左侧的点对齐读起来更像一份目录 */
	padding-inline-start: 0.85rem;
	position: relative;
}

.jm-digest__list li::before {
	content: "";
	position: absolute;
	inset-inline-start: 0;
	inset-block-start: 0.65em;
	width: 4px;
	height: 4px;
	border-radius: 50%;
	background: var(--jm-line, #e2e2e2);
}

.jm-digest__list a {
	color: var(--jm-ink, #1a1a1a);
	text-decoration: none;
}

.jm-digest__list a:hover,
.jm-digest__list a:focus-visible {
	color: var(--jm-red-dark, #9c0c24);
	text-decoration: underline;



/* =============================================================
   12. 来源署名与评论
   ============================================================= */
.jm-source-credit {
	margin-block-start: 1.5rem;
	padding-block-start: 0.75rem;
	border-block-start: 1px solid var(--jm-line, #e2e2e2);
	color: var(--jm-ink-muted, #595959);
}
.jm-source-credit a { color: var(--jm-ink-muted, #595959); }

.jm-comment-notice {
	font-size: 0.875rem;
	line-height: 1.7;
	color: var(--jm-ink-muted, #595959);
	background: var(--jm-bg-alt, #f7f7f7);
	border-inline-start: 3px solid var(--jm-red, #c8102e);
	padding: 0.75rem 1rem;
	margin-block: 1rem;
}

/* =============================================================
   13. 投稿表单（User Submitted Posts）
   插件自带样式很基础，这里统一到站点设计令牌上。
   ============================================================= */
#usp_form {
	max-width: 640px;
	margin-block: 1.5rem;
}

#usp_form > div {
	margin-block-end: 1.25rem;
}

#usp_form label {
	display: block;
	font-weight: 600;
	font-size: 0.9375rem;
	margin-block-end: 0.375rem;
}

#usp_form .usp-input,
#usp_form .usp-textarea,
#usp_form .usp-select {
	width: 100%;
	padding: 0.625rem 0.75rem;
	font: inherit;
	font-size: 1rem;          /* 16px 起步：iOS Safari 对更小的字号会自动放大页面 */
	line-height: 1.6;
	color: var(--jm-ink, #1a1a1a);
	background: var(--jm-bg, #ffffff);
	border: 1px solid var(--jm-line, #e2e2e2);
	border-radius: var(--jm-radius, 4px);
}

#usp_form .usp-textarea {
	min-height: 14rem;
	line-height: 1.85;        /* 与正文一致，长文输入时可读性更好 */
	resize: vertical;
}

#usp_form .usp-input:focus,
#usp_form .usp-textarea:focus,
#usp_form .usp-select:focus {
	border-color: var(--jm-focus, #0057b8);
}

#usp_form .usp-submit {
	min-height: 48px;
	padding: 0.75rem 2rem;
	font: inherit;
	font-size: 1rem;
	font-weight: 600;
	color: #fff;
	background: var(--jm-red, #c8102e);
	border: none;
	border-radius: var(--jm-radius, 4px);
	cursor: pointer;
}
#usp_form .usp-submit:hover { background: var(--jm-red-dark, #9c0c24); }

/* 蜜罐字段：必须对人不可见，但不能用 display:none —— 部分机器人会
   跳过被隐藏的字段，反而绕过检测。挪出视口是更可靠的做法。 */
#usp_form .usp-hidden {
	position: absolute;
	left: -9999px;
}

.usp-callout-success,
.usp-callout-failure {
	padding: 0.875rem 1rem;
	margin-block: 1rem;
	border-radius: var(--jm-radius, 4px);
	font-size: 0.9375rem;
}
.usp-callout-success {
	background: #edf7ed;
	border-inline-start: 3px solid #2e7d32;
	color: #1b5e20;
}
.usp-callout-failure {
	background: #fdecea;
	border-inline-start: 3px solid var(--jm-red, #c8102e);
	color: var(--jm-red-dark, #9c0c24);
}
}