/*
Theme Name: Potato
Theme URI: https://www.potato.im/
Author: Potato SaaS Theme
Author URI: https://www.potato.im/
Description: 轻量化 WordPress 单页主题 —— 1:1 复刻 potato.im 首页（纯白浅蓝极简 UI）。纯原生 PHP + CSS + JS，不依赖任何第三方插件。全首页模块（吸顶导航 / Hero 下载首屏 / 功能九宫格 / 多栏订阅页脚）均支持 Customizer 可视化后台编辑。
Version: 1.0.0
Requires at least: 5.6
Tested up to: 6.6
Requires PHP: 7.2
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: potato
Tags: one-column, custom-logo, custom-menu, featured-images, translation-ready, full-width-template
*/

/* ==========================================================================
   0. 变量 & 基础重置（Reset）
   ========================================================================== */
:root{
	--pt-primary:#007EE5;
	--pt-primary-dark:#0070CC;
	--pt-primary-soft:#F2FAFF;
	--pt-text:#333333;
	--pt-text-2:#666666;
	--pt-text-3:#999999;
	--pt-border:#E5E5E5;
	--pt-border-soft:#F0F0F0;
	--pt-bg:#FFFFFF;
	--pt-max:1200px;
	--pt-radius:16px;
	--pt-shadow:0 0 40px 0 rgba(0,126,229,.10);
	--pt-font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
	margin:0;
	font-family:var(--pt-font);
	font-size:16px;
	line-height:1.6;
	color:var(--pt-text);
	background:var(--pt-bg);
	-webkit-font-smoothing:antialiased;
	-moz-osx-font-smoothing:grayscale;
	overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,figure{margin:0;padding:0;}
ul{list-style:none;}
img{max-width:100%;height:auto;border:0;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
.pt-container{width:100%;max-width:var(--pt-max);margin:0 auto;padding:0 20px;}
.pt-visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:8px 16px;z-index:2000;}
.skip-link:focus{left:8px;top:8px;box-shadow:var(--pt-shadow);border-radius:8px;}

/* ==========================================================================
   1. 吸顶导航 Header
   ========================================================================== */
.site-header{
	position:sticky;
	top:0;
	z-index:1000;
	background:#fff;
	box-shadow:inset 0 -1px 0 0 var(--pt-border-soft);
	transition:box-shadow .3s ease;
}
.site-header.is-stuck{box-shadow:0 2px 14px rgba(0,126,229,.10);}
.header-inner{
	display:flex;
	align-items:center;
	height:64px;
	gap:24px;
}
/* Logo */
.site-brand{display:flex;align-items:center;flex-shrink:0;}
.brand-text{
	font-size:22px;
	font-weight:800;
	letter-spacing:1px;
	color:var(--pt-primary);
	white-space:nowrap;
}
.brand-text span{font-weight:400;}
.custom-logo,.site-brand img{max-height:40px;width:auto;}

/* 主导航 */
.primary-nav{margin-left:24px;}
.primary-nav ul{display:flex;align-items:center;gap:34px;margin:0;}
.primary-nav a{
	display:inline-block;
	font-size:16px;
	line-height:62px;
	color:var(--pt-text);
	border-bottom:2px solid transparent;
	transition:color .2s ease,border-color .2s ease;
}
.primary-nav a:hover,
.primary-nav .current-menu-item>a,
.primary-nav .current_page_item>a,
.primary-nav li.is-active>a{color:var(--pt-primary);border-bottom-color:var(--pt-primary);}

/* 汉堡按钮（移动端） */
.nav-toggle{
	display:none;margin-left:auto;width:42px;height:42px;border:0;background:transparent;
	flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--pt-text);border-radius:2px;transition:transform .3s ease,opacity .3s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ==========================================================================
   2. Hero 首屏
   ========================================================================== */
.hero{
	background:
		url(img/bannerbg_web.png) center/cover no-repeat,
		linear-gradient(180deg,#F5FBFF 0%,#EAF5FF 45%,#F7FBFF 100%);
	background-size:cover;background-position:center;
	overflow:hidden;
}
.hero-inner{
	display:flex;align-items:center;justify-content:center;gap:40px;
	min-height:680px;padding:60px 20px;
	max-width:var(--pt-max);margin:0 auto;
}
.hero-text{flex:0 0 auto;max-width:530px;}
.hero-title{
	font-size:44px;line-height:1.28;font-weight:600;color:var(--pt-text);
	letter-spacing:.2px;
}
.hero-sub{
	margin-top:22px;font-size:16px;line-height:1.6;color:var(--pt-text-2);max-width:480px;
}
.hero-actions{margin-top:28px;display:flex;flex-direction:column;gap:18px;max-width:260px;}
.dl-item{position:relative;}
.dl-btn{
	display:flex;align-items:center;justify-content:center;gap:8px;
	width:100%;height:44px;border:0;border-radius:30px;
	background:var(--pt-primary-soft);color:var(--pt-text);font-size:16px;
	transition:all .25s ease;
}
.dl-btn svg{width:22px;height:22px;fill:currentColor;transition:fill .25s ease;}
.dl-item:hover .dl-btn{background:var(--pt-primary);color:#fff;}
.dl-item:hover .dl-btn svg{fill:#fff;}
/* 悬浮下载面板 */
.dl-pop{
	position:absolute;left:calc(100% + 14px);top:50%;transform:translateY(-50%) scale(.96);
	background:#fff;border:1px solid #eee;border-radius:16px;
	box-shadow:0 8px 24px rgba(0,0,0,.12);padding:16px;min-width:210px;
	opacity:0;visibility:hidden;transition:all .22s ease;z-index:6;
}
.dl-pop::before{
	content:"";position:absolute;left:-8px;top:50%;transform:translateY(-50%);
	border-width:8px 9px 8px 0;border-style:solid;border-color:transparent #fff transparent transparent;
	filter:drop-shadow(-2px 0 2px rgba(0,0,0,.06));
}
.dl-item:hover .dl-pop,.dl-item:focus-within .dl-pop{opacity:1;visibility:visible;transform:translateY(-50%) scale(1);}
.dl-pop a{
	display:flex;align-items:center;gap:8px;height:40px;padding:0 20px;
	border:1px solid var(--pt-border);border-radius:30px;color:var(--pt-text);font-size:15px;white-space:nowrap;
	transition:all .2s ease;
}
.dl-pop a:hover{background:var(--pt-primary);color:#fff;border-color:var(--pt-primary);}
.dl-pop a svg{width:20px;height:20px;fill:currentColor;flex-shrink:0;}
.hero-media{flex:0 0 auto;}
.hero-media img{width:654px;max-width:100%;height:auto;}
.hero-media .hero-placeholder{
	width:654px;max-width:100%;aspect-ratio:654/338;border-radius:24px;
	background:linear-gradient(135deg,#DCEEFF,#F4FAFF);box-shadow:var(--pt-shadow);
	display:flex;align-items:center;justify-content:center;color:var(--pt-primary);
	font-size:20px;font-weight:600;
}

/* ==========================================================================
   3. 功能九宫格
   ========================================================================== */
.features{background:#fff;padding-bottom:80px;}
.section-heading{
	width:100%;text-align:center;font-size:40px;font-weight:600;color:var(--pt-text);
	margin-top:80px;line-height:1.3;padding:0 20px;
}
.features-grid{
	display:grid;grid-template-columns:repeat(3,1fr);gap:0;
	max-width:var(--pt-max);margin:40px auto 0;padding:0 20px;
}
.feature-card{
	text-align:center;padding:40px 24px;border-radius:60px;
	transition:box-shadow .3s ease,transform .3s ease;
}
.feature-card:hover{background:#fff;box-shadow:var(--pt-shadow);transform:translateY(-2px);}
.feature-card .feature-icon{
	width:130px;height:130px;margin:0 auto 16px;object-fit:contain;
}
.feature-card .feature-title{font-size:26px;font-weight:500;color:var(--pt-text-2);line-height:1.35;}
.feature-card .feature-desc{margin-top:14px;font-size:14px;line-height:1.6;color:var(--pt-text-3);}

/* ==========================================================================
   4. 页脚
   ========================================================================== */
.site-footer{background:#fff;border-top:1px solid #CDCDCD;padding:0 20px;}
.footer-inner{
	max-width:var(--pt-max);margin:0 auto;padding:48px 0 42px;
	display:flex;flex-wrap:wrap;gap:40px 60px;justify-content:space-between;
}
.footer-col{min-width:160px;}
.footer-col .col-title{font-size:18px;font-weight:600;color:var(--pt-text);line-height:1.4;margin-bottom:8px;}
.footer-col li{font-size:16px;line-height:1.5;margin-top:16px;color:var(--pt-text-2);}
.footer-col li a,
.footer-col li .footer-link-disabled{color:var(--pt-text-2);white-space:nowrap;}
.footer-col li a:hover{color:var(--pt-primary);}
.footer-col li .footer-link-disabled{cursor:default;pointer-events:none;}
.footer-subscribe{min-width:240px;}
.subscribe-input{
	width:240px;max-width:100%;height:34px;padding:0 12px;font-size:14px;
	border:1px solid #CDCDCD;border-radius:16px;outline:none;color:var(--pt-text);
}
.subscribe-input:focus{border-color:var(--pt-primary);}
.subscribe-error{color:#F04646;font-size:12px;margin-top:6px;display:none;}
.subscribe-btn{
	margin-top:12px;width:240px;max-width:100%;height:34px;border:0;border-radius:16px;
	background:var(--pt-primary);color:#fff;font-size:14px;transition:background .25s ease;
}
.subscribe-btn:hover{background:var(--pt-primary-dark);}
.subscribe-ok{color:var(--pt-primary);font-size:13px;margin-top:8px;display:none;}
.footer-bottom{border-top:1px solid var(--pt-border-soft);}
.footer-bottom .pt-container{padding:20px;text-align:center;color:var(--pt-text-3);font-size:14px;}

/* ==========================================================================
   5. 返回顶部
   ========================================================================== */
.to-top{
	position:fixed;right:24px;bottom:90px;width:48px;height:48px;border-radius:12px;
	background:#fff;box-shadow:0 7px 18px rgba(0,126,229,.18);border:0;
	display:none;align-items:center;justify-content:center;z-index:900;color:var(--pt-primary);
}
.to-top.is-visible{display:flex;}
.to-top svg{width:22px;height:22px;fill:currentColor;}

/* ==========================================================================
   6. 移动端遮罩
   ========================================================================== */
.nav-overlay{
	position:fixed;inset:0;background:rgba(0,0,0,.35);opacity:0;visibility:hidden;
	transition:opacity .3s ease;z-index:998;
}
.nav-overlay.is-open{opacity:1;visibility:visible;}

/* ==========================================================================
   7. 响应式
   ========================================================================== */
@media (max-width:1080px){
	.hero-media img,.hero-media .hero-placeholder{width:520px;}
	.hero-title{font-size:38px;}
}
@media (max-width:900px){
	.hero-inner{flex-direction:column;text-align:center;min-height:auto;padding:48px 20px;gap:32px;}
	.hero-text{max-width:640px;}
	.hero-sub{margin-left:auto;margin-right:auto;}
	.hero-actions{margin-left:auto;margin-right:auto;}
	.dl-pop{left:50%;top:calc(100% + 12px);transform:translateX(-50%) scale(.96);}
	.dl-pop::before{left:50%;top:-8px;transform:translateX(-50%);border-width:0 8px 9px 8px;border-color:transparent transparent #fff transparent;}
	.dl-item:hover .dl-pop,.dl-item:focus-within .dl-pop{transform:translateX(-50%) scale(1);}
	.features-grid{grid-template-columns:repeat(2,1fr);}
	.section-heading{font-size:32px;margin-top:56px;}
}
@media (max-width:820px){
	.nav-toggle{display:flex;}
	.primary-nav{
		position:fixed;top:64px;right:0;width:78%;max-width:320px;height:calc(100vh - 64px);
		background:#fff;box-shadow:-4px 0 24px rgba(0,0,0,.08);margin-left:0;padding:12px 0;
		transform:translateX(100%);transition:transform .3s ease;z-index:999;overflow-y:auto;
	}
	.primary-nav.is-open{transform:translateX(0);}
	.primary-nav ul{flex-direction:column;align-items:stretch;gap:0;}
	.primary-nav a{line-height:normal;padding:16px 24px;border-bottom:1px solid var(--pt-border-soft);}
	.primary-nav a:hover,.primary-nav li.is-active>a{border-bottom-color:var(--pt-border-soft);}
}
@media (max-width:640px){
	.hero-title{font-size:30px;}
	.hero-media img,.hero-media .hero-placeholder{width:100%;}
	.features-grid{grid-template-columns:1fr;}
	.feature-card{padding:32px 20px;border-radius:32px;}
	.footer-inner{gap:32px;}
	.footer-col,.footer-subscribe{min-width:100%;}
	.section-heading{font-size:26px;}
}

/* 减少动效偏好 */
@media (prefers-reduced-motion:reduce){
	*{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* ==========================================================================
   9. 列表页（归档 / 分类）
   ========================================================================== */
.page-hero{
	background:linear-gradient(180deg,#F5FBFF 0%,#EAF5FF 45%,#F7FBFF 100%);
	padding:56px 0 44px;
	text-align:center;
}
.page-title{
	font-size:34px;
	font-weight:700;
	color:var(--pt-text);
	line-height:1.3;
}
.page-desc{
	margin-top:10px;
	color:var(--pt-text-2);
	font-size:16px;
}
.archive-section{padding:48px 0 64px;}
.post-grid{
	display:grid;
	grid-template-columns:repeat(2,1fr);
	gap:28px;
}
.post-card{
	background:#fff;
	border:1px solid var(--pt-border-soft);
	border-radius:var(--pt-radius);
	overflow:hidden;
	box-shadow:0 4px 18px rgba(0,0,0,.04);
	transition:transform .25s ease,box-shadow .25s ease;
}
.post-card:hover{
	transform:translateY(-4px);
	box-shadow:var(--pt-shadow);
}
.post-card-link{display:block;height:100%;}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--pt-primary-soft);}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-card-body{padding:22px 24px 26px;}
.post-meta{
	display:flex;align-items:center;gap:12px;
	font-size:13px;color:var(--pt-text-3);margin-bottom:10px;
}
.post-cat{
	background:var(--pt-primary-soft);
	color:var(--pt-primary);
	padding:3px 10px;border-radius:20px;font-weight:600;
}
.post-card-title{
	font-size:19px;font-weight:600;line-height:1.45;color:var(--pt-text);
	margin-bottom:10px;
}
.post-card-link:hover .post-card-title{color:var(--pt-primary);}
.post-excerpt{color:var(--pt-text-2);font-size:15px;line-height:1.7;}
.post-readmore{
	display:inline-block;margin-top:14px;
	color:var(--pt-primary);font-weight:600;font-size:15px;
}
.no-results{color:var(--pt-text-2);text-align:center;padding:40px 0;}

/* 分页 */
.post-pagination{margin-top:44px;display:flex;justify-content:center;}
.post-pagination .nav-links{display:flex;align-items:center;gap:6px;}
.post-pagination a,.post-pagination span{
	min-width:38px;height:38px;padding:0 10px;
	display:inline-flex;align-items:center;justify-content:center;
	border:1px solid var(--pt-border);border-radius:10px;
	color:var(--pt-text-2);font-size:14px;transition:all .2s ease;
}
.post-pagination a:hover{border-color:var(--pt-primary);color:var(--pt-primary);}
.post-pagination .current{background:var(--pt-primary);border-color:var(--pt-primary);color:#fff;}

/* ==========================================================================
   10. 文章详情页
   ========================================================================== */
.single-post{padding:48px 0 64px;}
.single-header{margin-bottom:28px;text-align:center;}
.single-title{
	font-size:32px;font-weight:700;line-height:1.35;color:var(--pt-text);
	margin-top:10px;
}
.single-thumb{
	margin:0 0 32px;border-radius:var(--pt-radius);overflow:hidden;
	box-shadow:var(--pt-shadow);background:var(--pt-primary-soft);
}
.single-thumb img{width:100%;height:auto;}
.single-content{
	max-width:760px;margin:0 auto;
	font-size:17px;line-height:1.85;color:var(--pt-text);
}
.single-content p{margin:0 0 22px;}
.single-content h2{
	font-size:24px;font-weight:700;color:var(--pt-text);
	margin:36px 0 16px;
}
.single-content h3{
	font-size:20px;font-weight:600;color:var(--pt-text);
	margin:28px 0 12px;
}
.single-content ul{list-style:disc;padding-left:24px;margin:0 0 22px;}
.single-content ol{list-style:decimal;padding-left:24px;margin:0 0 22px;}
.single-content li{margin:0 0 10px;}
.single-content a{color:var(--pt-primary);border-bottom:1px solid rgba(0,126,229,.3);}
.single-content a:hover{border-bottom-color:var(--pt-primary);}
.single-content blockquote{
	margin:0 0 22px;padding:14px 20px;
	border-left:4px solid var(--pt-primary);
	background:var(--pt-primary-soft);border-radius:0 10px 10px 0;
	color:var(--pt-text-2);
}
.single-content code{
	font-family:Consolas,Menlo,Monaco,monospace;
	background:var(--pt-border-soft);padding:2px 6px;border-radius:6px;font-size:.92em;
}
.single-content pre{
	background:#0f1b2d;color:#e6edf3;padding:18px;border-radius:12px;
	overflow:auto;margin:0 0 22px;
}
.single-content pre code{background:transparent;padding:0;color:inherit;}

/* 上一篇 / 下一篇 */
.single-footer{max-width:760px;margin:48px auto 0;}
.post-nav{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.post-nav a{
	flex:1 1 200px;padding:16px 18px;
	border:1px solid var(--pt-border-soft);border-radius:var(--pt-radius);
	color:var(--pt-text-2);font-weight:600;transition:all .2s ease;
}
.post-nav a:hover{border-color:var(--pt-primary);color:var(--pt-primary);box-shadow:var(--pt-shadow);}
.post-nav-prev a{text-align:left;}
.post-nav-next a{text-align:right;}

/* 列表 / 详情页响应式 */
@media (max-width:820px){
	.post-grid{grid-template-columns:1fr;}
	.page-hero{padding:40px 0 32px;}
	.page-title{font-size:28px;}
	.single-title{font-size:26px;}
	.single-content{font-size:16px;}
}

/* ==========================================================================
   11. SEO 面包屑
   ========================================================================== */
.pt-breadcrumbs{
	font-size:14px;color:var(--pt-text-3);line-height:1.7;margin-bottom:18px;
	display:flex;flex-wrap:wrap;align-items:center;
}
.pt-breadcrumbs a{color:var(--pt-text-2);text-decoration:none;transition:color .2s ease;}
.pt-breadcrumbs a:hover{color:var(--pt-primary);}
.pt-breadcrumbs .pt-breadcrumbs-current{color:var(--pt-primary);font-weight:600;}
.pt-breadcrumbs .pt-breadcrumbs-sep{margin:0 8px;color:var(--pt-border);}
	.page-title{font-size:28px;}
	.single-title{font-size:26px;}
	.single-content{font-size:16px;}
}

/* ==========================================================================
   12. 404 错误页
   ========================================================================== */
.error-hero{
	background:linear-gradient(180deg,#F5FBFF 0%,#EAF5FF 45%,#F7FBFF 100%);
	padding:72px 0 64px;
	text-align:center;
}
.error-box{max-width:640px;margin:0 auto;}
.error-code{
	font-size:120px;font-weight:800;line-height:1;color:var(--pt-primary);
	letter-spacing:2px;
}
.error-title{
	margin-top:16px;font-size:30px;font-weight:700;color:var(--pt-text);
}
.error-desc{
	margin-top:14px;font-size:16px;line-height:1.7;color:var(--pt-text-2);
}
.error-actions{margin-top:30px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}
.btn-primary{
	display:inline-flex;align-items:center;justify-content:center;gap:8px;
	height:46px;padding:0 34px;border-radius:30px;
	background:var(--pt-primary);color:#fff;font-size:16px;font-weight:500;
	transition:background .25s ease,transform .25s ease;
}
.btn-primary:hover{background:var(--pt-primary-dark);transform:translateY(-2px);}
.error-search{max-width:420px;margin:34px auto 0;}
.error-search .search-form{display:flex;gap:10px;align-items:center;}
.error-search label{flex:1;min-width:0;margin:0;}
.error-search .search-field{
	width:100%;height:44px;padding:0 18px;font-size:15px;
	border:1px solid #CDCDCD;border-radius:30px;outline:none;color:var(--pt-text);
	background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.error-search .search-field:focus{border-color:var(--pt-primary);box-shadow:0 0 0 3px rgba(0,126,229,.12);}
.error-search .search-submit{
	height:44px;padding:0 22px;border:0;border-radius:30px;
	background:var(--pt-primary);color:#fff;font-size:15px;flex-shrink:0;
	transition:background .25s ease;
}
.error-search .search-submit:hover{background:var(--pt-primary-dark);}
.error-links{padding:56px 0 72px;}
.error-links-title{
	text-align:center;font-size:24px;font-weight:600;color:var(--pt-text);
}
.error-links-list{
	max-width:var(--pt-max);margin:26px auto 0;display:flex;flex-wrap:wrap;
	justify-content:center;gap:14px;
}
.error-links-list .error-link{
	display:inline-flex;align-items:center;min-height:40px;padding:0 22px;
	border:1px solid var(--pt-border);border-radius:30px;
	background:#fff;color:var(--pt-text-2);font-size:15px;
	transition:all .2s ease;
}
.error-links-list .error-link:hover{
	border-color:var(--pt-primary);color:var(--pt-primary);box-shadow:var(--pt-shadow);
}
@media (max-width:640px){
	.error-hero{padding:48px 0 40px;}
	.error-code{font-size:84px;}
	.error-title{font-size:24px;}
	.error-desc{font-size:15px;}
	.btn-primary{width:100%;}
	.error-search .search-form{flex-direction:column;}
	.error-search .search-submit{width:100%;}
	.error-links{padding:40px 0 56px;}
}

/* ==========================================================================
   13. 搜索列表页
   ========================================================================== */
.search-count{
	text-align:center;color:var(--pt-text-3);font-size:15px;
	margin-bottom:26px;
}
.search-no-results{
	max-width:720px;margin:0 auto;padding:48px 0 16px;
}
.search-none-title{font-size:24px;font-weight:600;color:var(--pt-text);}
.search-none-desc{margin-top:10px;color:var(--pt-text-2);font-size:16px;}
.search-none-actions{margin-top:26px;}
.search-none-actions .btn-primary{box-sizing:border-box;max-width:100%;}
.search-no-results .error-search{margin:34px auto 0;}
@media (max-width:640px){
	.search-none-title{font-size:20px;}
}

/* ==========================================================================
   14. 栏目页分类导航 & 详情页上下文内链布局
   ========================================================================== */
/* 栏目页：全部分类快捷切换（chips） */
.tax-nav{
	display:flex;flex-wrap:wrap;justify-content:center;align-items:center;
	gap:12px;margin:0 0 36px;
}
.tax-link{
	display:inline-flex;align-items:center;min-height:38px;padding:0 18px;
	border:1px solid var(--pt-border);border-radius:30px;background:#fff;
	color:var(--pt-text-2);font-size:15px;line-height:1.4;
	transition:all .2s ease;
}
.tax-link:hover{border-color:var(--pt-primary);color:var(--pt-primary);box-shadow:0 4px 14px rgba(0,126,229,.10);}
.tax-link.is-active{background:var(--pt-primary);border-color:var(--pt-primary);color:#fff;}
.tax-link.is-active:hover{color:#fff;}

/* 详情页：文章标签内链 */
.single-tags{
	display:flex;flex-wrap:wrap;justify-content:center;gap:10px;
	max-width:760px;margin:34px auto 0;
}
.tag-link{
	display:inline-flex;align-items:center;min-height:30px;padding:0 14px;
	background:var(--pt-primary-soft);color:var(--pt-primary);font-size:13px;
	border-radius:20px;font-weight:600;transition:background .2s ease,color .2s ease;
}
.tag-link:hover{background:var(--pt-primary);color:#fff;}

/* 详情页：相关文章推荐 */
.related-section{max-width:980px;margin:56px auto 0;}
.related-title{
	text-align:center;font-size:24px;font-weight:600;color:var(--pt-text);
	margin-bottom:28px;
}
.related-grid{
	display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
@media (max-width:1080px){
	.related-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:820px){
	.tax-nav{gap:10px;margin-bottom:28px;}
	.tax-link{padding:0 16px;font-size:14px;min-height:36px;}
	.related-grid{grid-template-columns:1fr;}
	.related-section{margin-top:44px;}
}

/* 栏目页无内容区块 */
.no-results .search-none-actions{margin-top:20px;}

/* ==========================================================================
   15. FAQ 常见问题（手风琴）
   ========================================================================== */
.faq{background:#fff;padding-bottom:80px;}
.faq .section-heading{margin-top:56px;}
.faq-list{
	max-width:820px;margin:40px auto 0;padding:0 20px;
	display:flex;flex-direction:column;gap:14px;
}
.faq-item{
	background:#fff;border:1px solid var(--pt-border-soft);border-radius:var(--pt-radius);
	box-shadow:0 4px 18px rgba(0,0,0,.04);overflow:hidden;
	transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item:hover{border-color:var(--pt-border);box-shadow:var(--pt-shadow);}
.faq-item details[open]{border-color:var(--pt-border);}
.faq-item summary{
	position:relative;display:flex;align-items:center;gap:12px;
	padding:18px 20px;cursor:pointer;list-style:none;
	font-size:17px;font-weight:600;color:var(--pt-text);line-height:1.5;
	transition:color .25s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-item summary::after{
	content:"";margin-left:auto;flex-shrink:0;width:10px;height:10px;
	border-right:2px solid var(--pt-text-3);border-bottom:2px solid var(--pt-text-3);
	transform:rotate(45deg);transition:transform .25s ease,border-color .25s ease;
}
.faq-item details[open] summary{color:var(--pt-primary);}
.faq-item details[open] summary::after{
	transform:rotate(225deg);
	border-color:var(--pt-primary);
}
.faq-answer{
	padding:0 20px 20px;color:var(--pt-text-2);font-size:15px;line-height:1.8;
}
.faq-answer p{margin:0;}
@media (max-width:640px){
	.faq{padding-bottom:48px;}
	.faq .section-heading{margin-top:44px;}
	.faq-item summary{font-size:15px;padding:16px;}
	.faq-answer{padding:0 16px 16px;font-size:14px;}
}

/* ==========================================================================
   16. 首页最新文章（9 篇）
   ========================================================================== */
.latest{background:#fff;padding-bottom:0;}
.latest .section-heading{margin-top:56px;}
.latest-grid{
	display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
	max-width:var(--pt-max);margin:40px auto 0;padding:0 20px;
}
@media (max-width:1080px){
	.latest-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
	.latest-grid{grid-template-columns:1fr;}
	.latest .section-heading{margin-top:44px;}
}