/* ============================================================
   detail-base.css —— 非遗详情页公共底座
   仅负责：变量兜底 / 导航 / 评论区 / 页脚 / 基础响应式
   每个项目的视觉个性由各自独立样式表（css/*.css）注入
   ============================================================ */

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

html { scroll-behavior: smooth; }

:root {
	--paper: #f7f5f0;          /* 页面底色 */
	--ink: #2c2a26;            /* 正文色 */
	--muted: #7a756c;          /* 次要文字 */
	--accent: #8a3324;         /* 主色 */
	--accent-2: #b98a3c;       /* 辅色 */
	--nav-bg: #ffffff;         /* 顶栏底色 */
	--nav-ink: #333;           /* 顶栏文字 */
	--card-bg: #ffffff;        /* 卡片底 */
	--card-border: #e6e1d6;    /* 卡片描边 */
	--chip-bg: rgba(0, 0, 0, .06);
	--chip-ink: #555;
	--btn-bg: #8a3324;
	--btn-ink: #ffffff;
	--field-bg: #ffffff;
	--field-border: #d8d2c4;
	--footer-bg: #26241f;
	--footer-ink: #cfc9bd;
}

body {
	background: var(--paper);
	color: var(--ink);
	line-height: 1.75;
}

img, video { max-width: 100%; display: block; }

.wrap {
	max-width: 1120px;
	margin: 0 auto;
	padding: 0 22px;
}

/* ---------- 顶部导航 ---------- */
.site-nav {
	position: sticky;
	top: 0;
	z-index: 100;
	background: var(--nav-bg);
	box-shadow: 0 1px 0 var(--card-border), 0 4px 16px rgba(0, 0, 0, .04);
}

.site-nav .nav-inner {
	max-width: 1120px;
	margin: 0 auto;
	padding: 0 22px;
	display: flex;
	align-items: center;
	gap: 10px;
	min-height: 54px;
}

.site-nav .brand {
	font-weight: 700;
	font-size: 17px;
	letter-spacing: 2px;
	color: var(--accent);
	white-space: nowrap;
	padding-right: 12px;
	border-right: 1px solid var(--card-border);
	margin-right: 6px;
	text-decoration: none;
}

.site-nav ul {
	list-style: none;
	display: flex;
	align-items: center;
	gap: 4px;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: none;
}

.site-nav ul::-webkit-scrollbar { display: none; }

.site-nav ul a {
	display: block;
	padding: 8px 12px;
	font-size: 14px;
	color: var(--nav-ink);
	text-decoration: none;
	white-space: nowrap;
	border-radius: 999px;
	transition: background .2s, color .2s;
}

.site-nav ul a:hover {
	background: var(--chip-bg);
	color: var(--accent);
}

/* ---------- 区块标题 ---------- */
.sec-head {
	display: flex;
	align-items: baseline;
	gap: 12px;
	margin-bottom: 18px;
}

.sec-head .num {
	font-family: Georgia, "Times New Roman", serif;
	font-size: 30px;
	font-style: italic;
	color: var(--accent-2);
	line-height: 1;
}

.sec-head h2 {
	font-size: 24px;
	letter-spacing: 3px;
	color: var(--ink);
}

.sec-head .sub {
	font-size: 13px;
	color: var(--muted);
	letter-spacing: 1px;
}

.section { padding: 54px 0; }

/* ---------- 通用媒体 ---------- */
.video-container {
	position: relative;
	border-radius: 14px;
	overflow: hidden;
	background: #000;
	box-shadow: 0 12px 32px rgba(0, 0, 0, .16);
}

.video-container video { width: 100%; }

.video-desc {
	margin-top: 10px;
	font-size: 13px;
	color: var(--muted);
	letter-spacing: 2px;
}

figure img { border-radius: 12px; width: 100%; }

figcaption {
	margin-top: 8px;
	font-size: 13px;
	color: var(--muted);
	text-align: center;
}

/* ---------- 评论区 ---------- */
.comment-section {
	padding: 46px 0 60px;
}

.comment-section > .wrap > h2,
.comment-section h2 {
	font-size: 22px;
	letter-spacing: 4px;
	margin-bottom: 18px;
	padding-left: 12px;
	border-left: 4px solid var(--accent);
}

.comment-input {
	background: var(--card-bg);
	border: 1px solid var(--card-border);
	border-radius: 16px;
	padding: 22px;
	box-shadow: 0 10px 30px rgba(0, 0, 0, .05);
}

.comment-input h3 { font-size: 16px; margin-bottom: 14px; }

.comment-user-bar {
	font-size: 14px;
	color: var(--muted);
	margin-bottom: 14px;
}

#reply-context {
	display: none;
	margin-bottom: 12px;
	padding: 8px 12px;
	background: var(--chip-bg);
	border-radius: 8px;
	font-size: 13px;
	color: var(--muted);
	justify-content: space-between;
	align-items: center;
}

#reply-context.visible { display: flex; }

#cancel-reply {
	border: none;
	background: none;
	color: var(--accent);
	cursor: pointer;
	font-size: 13px;
}

.input-group { margin-bottom: 14px; }

.input-group label {
	display: block;
	font-size: 13px;
	color: var(--muted);
	margin-bottom: 6px;
	letter-spacing: 1px;
}

.input-group input[type="text"],
.input-group textarea {
	width: 100%;
	padding: 10px 14px;
	border: 1px solid var(--field-border);
	border-radius: 10px;
	background: var(--field-bg);
	color: var(--ink);
	font-size: 14px;
	resize: vertical;
	transition: border-color .2s;
}

.input-group input:focus,
.input-group textarea:focus {
	outline: none;
	border-color: var(--accent);
}

.input-group input[type="file"] {
	font-size: 13px;
	color: var(--muted);
}

.media-upload-hint {
	margin-top: 6px;
	font-size: 12px;
	color: var(--muted);
	opacity: .85;
}

.media-selected { margin-top: 8px; font-size: 13px; color: var(--muted); }

.btn-submit {
	padding: 10px 34px;
	border: none;
	border-radius: 999px;
	background: var(--btn-bg);
	color: var(--btn-ink);
	font-size: 15px;
	letter-spacing: 4px;
	cursor: pointer;
	transition: transform .15s, box-shadow .2s, opacity .2s;
}

.btn-submit:hover {
	transform: translateY(-1px);
	box-shadow: 0 8px 18px rgba(0, 0, 0, .18);
	opacity: .95;
}

.comment-list { margin-top: 22px; }

.comment-empty {
	text-align: center;
	color: var(--muted);
	font-size: 14px;
	padding: 26px 0;
}

.comment-item,
.comment-list .comment-item {
	background: var(--card-bg);
	border: 1px solid var(--card-border);
	border-radius: 14px;
	padding: 16px 18px;
	margin-bottom: 12px;
	display: flex;
	gap: 12px;
}

.comment-avatar {
	flex: 0 0 40px;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	object-fit: cover;
	background: var(--chip-bg);
}

.comment-main { flex: 1; min-width: 0; }

.comment-header {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 10px;
}

.comment-author { font-weight: 700; font-size: 14px; }

.comment-time { font-size: 12px; color: var(--muted); }

.comment-content { font-size: 14px; margin: 6px 0; word-break: break-word; }

.comment-list .comment-media img,
.comment-list .comment-media video {
	max-height: 320px;
	border-radius: 10px;
	margin-top: 6px;
}

.comment-actions { display: flex; gap: 14px; margin-top: 6px; }

.btn-reply, .btn-delete-comment, .comment-like-btn {
	border: none;
	background: none;
	font-size: 12px;
	color: var(--muted);
	cursor: pointer;
	padding: 0;
}

.btn-reply:hover, .comment-like-btn:hover { color: var(--accent); }

.btn-delete-comment:hover { color: #b03030; }

.comment-like-btn.active { color: var(--accent); font-weight: 700; }

.comment-replies { margin-top: 10px; padding-left: 14px; border-left: 2px solid var(--card-border); }

.comment-replies .comment-item {
	background: transparent;
	border: none;
	border-top: 1px dashed var(--card-border);
	border-radius: 0;
	padding: 12px 0 0;
	margin-top: 10px;
}

.comment-reply-target {
	font-size: 12px;
	color: var(--accent-2);
	margin-right: 6px;
}

/* ---------- 版式原语（各页可组合复用） ---------- */

/* 数字横带 */
.stat-band {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 14px;
	margin: 10px 0 6px;
}

.stat-band .stat {
	background: var(--card-bg);
	border: 1px solid var(--card-border);
	border-radius: 12px;
	text-align: center;
	padding: 18px 10px 14px;
	box-shadow: 0 8px 20px rgba(0, 0, 0, .05);
}

.stat-band .stat b {
	display: block;
	font-family: Georgia, serif;
	font-size: 28px;
	color: var(--accent);
	line-height: 1.15;
}

.stat-band .stat span { font-size: 12.5px; color: var(--muted); letter-spacing: 1px; }

/* 横向步骤条 */
.steps-h { counter-reset: hs; list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

.steps-h li {
	counter-increment: hs;
	background: var(--card-bg);
	border: 1px solid var(--card-border);
	border-radius: 12px;
	padding: 30px 16px 16px;
	position: relative;
	box-shadow: 0 8px 20px rgba(0, 0, 0, .05);
}

.steps-h li::before {
	content: counter(hs);
	position: absolute;
	top: -12px;
	left: 14px;
	width: 30px;
	height: 30px;
	border-radius: 50%;
	background: var(--accent);
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: Georgia, serif;
}

.steps-h h3 { font-size: 15.5px; color: var(--accent); letter-spacing: 1px; margin-bottom: 6px; }
.steps-h p { font-size: 13px; color: var(--muted); }

/* 卡片网格 */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.card-grid article {
	background: var(--card-bg);
	border: 1px solid var(--card-border);
	border-radius: 14px;
	padding: 22px 20px;
	box-shadow: 0 8px 20px rgba(0, 0, 0, .05);
}

.card-grid h3 { font-size: 16px; color: var(--accent); letter-spacing: 1px; margin-bottom: 8px; }
.card-grid p { font-size: 13.5px; color: var(--muted); }

/* 纵向时间线 */
.timeline-v { position: relative; padding-left: 28px; border-left: 2px solid var(--accent-2); margin-left: 8px; }

.timeline-v article { position: relative; margin-bottom: 24px; }

.timeline-v article::before {
	content: "";
	position: absolute;
	left: -35px;
	top: 5px;
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background: var(--accent);
	box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}

.timeline-v h3 { font-size: 16px; color: var(--accent); letter-spacing: 1px; margin-bottom: 4px; }
.timeline-v p { font-size: 14px; color: var(--muted); }

/* 信息表 */
.info-table { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 14px; overflow: hidden; }

.info-table th, .info-table td { padding: 13px 18px; font-size: 14px; text-align: left; border-bottom: 1px solid var(--card-border); }

.info-table thead th { background: var(--accent); color: #fff; letter-spacing: 2px; }

.info-table tbody th { background: var(--chip-bg); color: var(--accent); white-space: nowrap; }

.info-table tr:last-child th, .info-table tr:last-child td { border-bottom: none; }

.info-table td { color: var(--muted); }

/* 引言横带 */
.quote-band {
	background: linear-gradient(120deg, var(--accent), var(--accent-2));
	color: #fff;
	border-radius: 16px;
	padding: 28px 32px;
	font-size: 16px;
	letter-spacing: 2px;
	line-height: 2;
	box-shadow: 0 12px 28px rgba(0, 0, 0, .12);
}

/* 双栏 */
.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }

/* 公告/条目列表 */
.notice-list { list-style: none; }

.notice-list li {
	display: flex;
	gap: 14px;
	align-items: baseline;
	background: var(--card-bg);
	border: 1px solid var(--card-border);
	border-radius: 10px;
	padding: 14px 18px;
	margin-bottom: 10px;
	box-shadow: 0 6px 14px rgba(0, 0, 0, .04);
}

.notice-list .date {
	flex: 0 0 86px;
	font-family: Georgia, serif;
	color: var(--accent-2);
	font-size: 13px;
}

.notice-list h3 { font-size: 14.5px; color: var(--ink); font-weight: 700; }
.notice-list p { font-size: 13px; color: var(--muted); }

/* 响应式补充 */
@media (max-width: 900px) {
	.stat-band { grid-template-columns: repeat(2, 1fr); }
	.steps-h { grid-template-columns: repeat(2, 1fr); }
	.card-grid { grid-template-columns: repeat(2, 1fr); }
	.split-2 { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
	.stat-band, .steps-h, .card-grid { grid-template-columns: 1fr; }
}

/* ---------- 页脚 ---------- */
.site-footer {
	margin-top: 30px;
	background: var(--footer-bg);
	color: var(--footer-ink);
	text-align: center;
	padding: 30px 20px 34px;
	font-size: 13px;
	letter-spacing: 1px;
	line-height: 2;
}

.site-footer .foot-brand {
	font-size: 16px;
	letter-spacing: 6px;
	color: #fff;
	margin-bottom: 6px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
	.sec-head h2 { font-size: 20px; }
	.section { padding: 38px 0; }
	.comment-input { padding: 16px; }
	.comment-item { flex-direction: row; padding: 14px; }
	.site-nav .brand { font-size: 15px; letter-spacing: 1px; }
}

@media (max-width: 480px) {
	.site-nav .nav-inner { padding: 0 14px; }
	.wrap { padding: 0 14px; }
	.btn-submit { width: 100%; }
}