/*
Theme Name: PHzone
Theme URI: https://wordpress.org/themes/gridzone/
Description: 简洁明快的中文摄影照片展示主题。两层导航（顶部悬浮菜单 + 左侧弹出的简介面板）、左侧社交栏（YouTube / TikTok / Discord，滚动自动收回）、CSS 瀑布流照片网格、内置 GLightbox 灯箱、EXIF 拍摄参数条、跟随系统的自动暗色模式、系统中文字体。参考 Gridzone 的网格骨架全新实现，无父主题依赖，适配 WordPress 6.9+。
Author: PHzone
Author URI: https://demo.alx.media/gridzone/
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 7.4
License: GNU General Public License v3 or later
License URI: https://www.gnu.org/licenses/gpl-3.0.html
Text Domain: phzone
Tags: blog, photography, grid-layout, two-columns, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready, block-styles, wide-blocks
*/

/* =====================================================================
 * 1. 设计令牌（浅色默认；暗色经 prefers-color-scheme 自动切换）
 * =================================================================== */

:root {
	--phz-bg: #f7f8fa;
	--phz-ink: #22262d;
	--phz-muted: #878f9a;
	--phz-line: #e6e9ee;
	--phz-card: #ffffff;
	--phz-accent: #2f6fed;
	--phz-radius: 14px;
	--phz-radius-s: 10px;
	--phz-shadow: 0 1px 3px rgba(17, 24, 39, 0.05);
	--phz-shadow-hover: 0 14px 34px rgba(17, 24, 39, 0.12);
	--phz-navbar-h: 64px;
	--phz-rail-w: 64px;
	--phz-z-navbar: 90;
	--phz-z-rail: 80;
	--phz-z-intro: 120;
	--phz-font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
		"Microsoft YaHei", "Noto Sans SC", "WenQuanYi Micro Hei", "Segoe UI", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
	:root {
		--phz-bg: #17191d;
		--phz-ink: #e3e6ea;
		--phz-muted: #8b929d;
		--phz-line: #2b2f36;
		--phz-card: #1f2227;
		--phz-accent: #6b9bff;
		--phz-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
		--phz-shadow-hover: 0 14px 34px rgba(0, 0, 0, 0.55);
	}
}

/* =====================================================================
 * 2. 基础与排版
 * =================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
	margin: 0;
	background: var(--phz-bg);
	color: var(--phz-ink);
	font-family: var(--phz-font);
	font-size: 15px;
	line-height: 1.7;
	-webkit-font-smoothing: antialiased;
}

body.phz-lock { overflow: hidden; }

img { max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; transition: color 0.2s ease, opacity 0.2s ease; }
a:hover { color: var(--phz-accent); }

h1, h2, h3, h4 { font-weight: 600; line-height: 1.35; letter-spacing: 0; }

::selection { background: rgba(47, 111, 237, 0.2); }

.screen-reader-text {
	border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%);
	height: 1px; width: 1px; margin: -1px; overflow: hidden;
	padding: 0; position: absolute; word-wrap: normal !important;
}

.skip-link:focus {
	clip: auto; clip-path: none; height: auto; width: auto;
	position: fixed; top: 12px; left: 12px; z-index: 999;
	background: var(--phz-card); color: var(--phz-ink);
	padding: 10px 16px; border-radius: 8px; box-shadow: var(--phz-shadow-hover);
}

:focus-visible { outline: 2px solid var(--phz-accent); outline-offset: 2px; border-radius: 4px; }

/* =====================================================================
 * 3. 左侧固定栏：简介入口 + 社交图标
 * =================================================================== */

.phz-rail {
	position: fixed;
	top: 50%;
	left: 16px;
	transform: translateY(-50%);
	z-index: var(--phz-z-rail);
	display: flex;
	flex-direction: column;
	gap: 6px;
	background: var(--phz-card);
	border: 1px solid var(--phz-line);
	border-radius: 999px;
	padding: 10px 6px;
	box-shadow: var(--phz-shadow);
	transition: transform 0.35s ease, opacity 0.35s ease;
}

.phz-rail.is-hidden {
	transform: translateY(-50%) translateX(calc(-100% - 24px));
	opacity: 0;
	pointer-events: none;
}

.phz-rail ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }

.phz-rail-item,
.phz-rail .phz-social-rail a {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 2px;
	width: 48px;
	height: 48px;
	border: 0;
	border-radius: 999px;
	background: transparent;
	color: var(--phz-muted);
	font-family: inherit;
	font-size: 10px;
	cursor: pointer;
	transition: background 0.2s ease, color 0.2s ease;
}

.phz-rail-item:hover,
.phz-rail .phz-social-rail a:hover { background: rgba(127, 137, 152, 0.12); color: var(--phz-ink); }

.phz-rail .brand-icon { width: 20px; height: 20px; fill: currentColor; }

/* 简介/社交通用内部布局 */
.phz-social-rail ul { display: contents; list-style: none; margin: 0; padding: 0; }

/* 面板内与页脚、移动端为行内排列（覆盖 display:contents） */
.phz-intro-panel .phz-social-rail ul,
.phz-footer .phz-social-rail ul,
.phz-mobile-menu .phz-social-rail ul { display: flex; }

/* 简介面板：关闭时保留滑出动画（延迟隐藏） */
.phz-intro { transition: visibility 0s 0.4s; }
.phz-intro.is-open { transition: none; }

/* =====================================================================
 * 4. 简介面板（第二层导航）
 * =================================================================== */

.phz-intro { position: fixed; inset: 0; z-index: var(--phz-z-intro); visibility: hidden; }
.phz-intro.is-open { visibility: visible; }

.phz-intro-backdrop {
	position: absolute; inset: 0;
	background: rgba(10, 12, 16, 0.45);
	opacity: 0;
	transition: opacity 0.3s ease;
}
.phz-intro.is-open .phz-intro-backdrop { opacity: 1; }

.phz-intro-panel {
	position: absolute;
	top: 0; bottom: 0; left: 0;
	width: min(360px, 88vw);
	background: var(--phz-card);
	border-right: 1px solid var(--phz-line);
	padding: 72px 32px 32px;
	overflow-y: auto;
	transform: translateX(-102%);
	transition: transform 0.35s cubic-bezier(0.22, 0.9, 0.36, 1);
	box-shadow: 8px 0 40px rgba(10, 12, 16, 0.12);
}
.phz-intro.is-open .phz-intro-panel { transform: translateX(0); }

.phz-intro-close {
	position: absolute; top: 16px; right: 16px;
	width: 40px; height: 40px;
	border: 0; border-radius: 999px;
	background: transparent; color: var(--phz-muted);
	cursor: pointer;
}
.phz-intro-close:hover { background: rgba(127, 137, 152, 0.12); color: var(--phz-ink); }

.phz-intro-avatar img {
	width: 84px; height: 84px;
	border-radius: 50%;
	object-fit: cover;
	border: 2px solid var(--phz-line);
}

.phz-intro-title { font-size: 22px; margin: 16px 0 8px; }

.phz-intro-text { color: var(--phz-muted); font-size: 14px; line-height: 1.8; }

.phz-intro-panel .phz-social-rail { margin-top: 24px; }
.phz-intro-panel .phz-social-rail ul { display: flex; flex-direction: row; gap: 8px; }
.phz-intro-panel .phz-social-rail a {
	width: 44px; height: 44px;
	border: 1px solid var(--phz-line);
}

/* =====================================================================
 * 5. 顶部悬浮导航（第一层）
 * =================================================================== */

.phz-navbar {
	position: fixed;
	top: 12px;
	left: 50%;
	transform: translateX(-50%);
	z-index: var(--phz-z-navbar);
	width: min(1120px, calc(100% - 24px));
	background: var(--phz-card);
	border: 1px solid var(--phz-line);
	border-radius: 999px;
	box-shadow: var(--phz-shadow);
	transition: box-shadow 0.3s ease;
}
.phz-navbar.is-scrolled { box-shadow: var(--phz-shadow-hover); }

.phz-navbar-inner {
	display: flex;
	align-items: center;
	gap: 12px;
	height: var(--phz-navbar-h);
	padding: 0 12px 0 24px;
}

.phz-brand { display: flex; align-items: center; min-width: 0; }
.phz-brand .custom-logo { max-height: 40px; width: auto; display: block; }
.phz-site-title {
	font-size: 19px;
	font-weight: 700;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.phz-primary-nav { margin-left: auto; }

.phz-menu { list-style: none; display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; }

.phz-menu .menu-item { position: relative; }

.phz-menu .menu-item > a,
.phz-menu .submenu-toggle {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	padding: 9px 16px;
	border: 0;
	border-radius: 999px;
	background: transparent;
	color: var(--phz-muted);
	font-family: inherit;
	font-size: 14.5px;
	cursor: pointer;
	transition: background 0.2s ease, color 0.2s ease;
}

.phz-menu .menu-item > a:hover,
.phz-menu .submenu-toggle:hover,
.phz-menu .current-menu-item > a,
.phz-menu .current_page_item > a {
	background: rgba(127, 137, 152, 0.12);
	color: var(--phz-ink);
}

.phz-menu .caret {
	width: 7px; height: 7px;
	border-right: 1.5px solid currentColor;
	border-bottom: 1.5px solid currentColor;
	transform: rotate(45deg) translateY(-2px);
	transition: transform 0.2s ease;
}
.phz-menu .menu-item.is-open .caret { transform: rotate(-135deg) translateY(-2px); }

/* 下拉（第二层内容容器：分类列表） */
.phz-menu .sub-menu {
	position: absolute;
	top: calc(100% + 10px);
	left: 50%;
	transform: translateX(-50%) translateY(-6px);
	min-width: 168px;
	max-height: 0;
	overflow: hidden;
	padding: 0;
	margin: 0;
	list-style: none;
	background: var(--phz-card);
	border: 1px solid var(--phz-line);
	border-radius: var(--phz-radius-s);
	box-shadow: var(--phz-shadow-hover);
	opacity: 0;
	transition: opacity 0.2s ease, transform 0.2s ease, max-height 0.25s ease;
}
.phz-menu .menu-item.is-open .sub-menu {
	opacity: 1;
	transform: translateX(-50%) translateY(0);
	max-height: 60vh;
	overflow-y: auto;
	padding: 8px;
}
.phz-menu .sub-menu li a {
	display: block;
	padding: 9px 14px;
	border-radius: 8px;
	color: var(--phz-muted);
	font-size: 14px;
	white-space: nowrap;
}
.phz-menu .sub-menu li a:hover { background: rgba(127, 137, 152, 0.12); color: var(--phz-ink); }

.phz-navbar-tools { display: flex; align-items: center; gap: 4px; }

.phz-search-toggle,
.phz-mobile-toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px; height: 40px;
	border: 0; border-radius: 999px;
	background: transparent;
	color: var(--phz-muted);
	cursor: pointer;
}
.phz-search-toggle:hover, .phz-mobile-toggle:hover { background: rgba(127, 137, 152, 0.12); color: var(--phz-ink); }
.phz-search-toggle svg { fill: currentColor; }

.phz-mobile-toggle { display: none; flex-direction: column; gap: 4px; }
.phz-mobile-toggle span:not(.screen-reader-text) {
	width: 18px; height: 2px;
	background: currentColor;
	border-radius: 2px;
	transition: transform 0.25s ease, opacity 0.2s ease;
}
.phz-mobile-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.phz-mobile-toggle.is-open span:nth-child(2) { opacity: 0; }
.phz-mobile-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 顶部搜索 */
.phz-search {
	position: absolute;
	top: calc(100% + 10px);
	right: 0;
	width: min(360px, 90vw);
	background: var(--phz-card);
	border: 1px solid var(--phz-line);
	border-radius: var(--phz-radius-s);
	box-shadow: var(--phz-shadow-hover);
	padding: 12px;
}

/* 移动端菜单 */
.phz-mobile-menu {
	position: absolute;
	top: calc(100% + 10px);
	left: 0; right: 0;
	background: var(--phz-card);
	border: 1px solid var(--phz-line);
	border-radius: var(--phz-radius);
	box-shadow: var(--phz-shadow-hover);
	padding: 16px;
}
.phz-mobile-menu .phz-menu { flex-direction: column; align-items: stretch; gap: 2px; }
.phz-mobile-menu .phz-menu .menu-item > a,
.phz-mobile-menu .phz-menu .submenu-toggle {
	display: flex; width: 100%; justify-content: space-between; padding: 12px 14px; border-radius: 10px;
}
.phz-mobile-menu .sub-menu {
	position: static; transform: none; box-shadow: none; border: 0; border-radius: 0; background: transparent;
}
.phz-mobile-menu .menu-item.is-open .sub-menu { padding: 0 0 4px 14px; max-height: none; }
.phz-mobile-intro {
	display: block; width: 100%;
	margin-top: 8px; padding: 12px 14px;
	border: 1px solid var(--phz-line); border-radius: 10px;
	background: transparent; color: var(--phz-ink);
	font-family: inherit; font-size: 14.5px; cursor: pointer;
}
.phz-mobile-menu .phz-searchform { margin-top: 8px; }
.phz-mobile-menu .phz-social-rail { margin-top: 12px; }
.phz-mobile-menu .phz-social-rail ul { flex-direction: row; }

/* =====================================================================
 * 6. 内容区与页面标题
 * =================================================================== */

.phz-site { padding-top: calc(var(--phz-navbar-h) + 40px); }

.phz-container {
	width: min(1120px, calc(100% - 96px)); /* 左侧给固定栏留位 */
	margin: 0 auto;
	padding-bottom: 64px;
}

.page-header { margin: 8px 0 28px; }
.page-title { font-size: 26px; margin: 0; }
.archive-description { color: var(--phz-muted); margin-top: 6px; font-size: 14px; }

/* =====================================================================
 * 7. 照片瀑布流（CSS columns）
 * =================================================================== */

.phz-grid { column-count: 3; column-gap: 20px; }

.photo-card {
	break-inside: avoid;
	margin: 0 0 20px;
	background: var(--phz-card);
	border: 1px solid var(--phz-line);
	border-radius: var(--phz-radius);
	overflow: hidden;
	box-shadow: var(--phz-shadow);
	transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.photo-card:hover {
	transform: translateY(-4px);
	border-color: transparent;
	box-shadow: var(--phz-shadow-hover);
}

.photo-card-media { display: block; background: rgba(127, 137, 152, 0.08); }
.photo-card-media img { display: block; width: 100%; transition: transform 0.4s ease; }
.photo-card:hover .photo-card-media img { transform: scale(1.02); }

.photo-card-placeholder {
	display: flex; align-items: center; justify-content: center;
	height: 180px;
}
.placeholder-dot {
	width: 10px; height: 10px; border-radius: 50%;
	background: rgba(127, 137, 152, 0.35);
}

.photo-card-body { padding: 14px 18px 16px; }
.photo-card-title { font-size: 15px; margin: 0 0 4px; }
.photo-card-title a { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.photo-card-meta { font-size: 12.5px; color: var(--phz-muted); }
.photo-card-meta a { color: var(--phz-muted); }
.photo-card-meta a:hover { color: var(--phz-ink); }
.meta-sep { margin: 0 6px; }
.photo-card-excerpt { font-size: 13px; color: var(--phz-muted); margin-top: 8px; line-height: 1.7; }

/* 照片墙（首页 /1/ 文件夹模式）：图即卡片，标题悬浮在图片底部 */
.phz-folder-grid a.photo-card-media { display: block; position: relative; cursor: zoom-in; }

.phz-folder-grid .photo-card-media:after {
	content: attr(data-phz-title);
	position: absolute;
	left: 10px; right: 10px; bottom: 10px;
	padding: 5px 12px;
	background: rgba(15, 17, 21, 0.55);
	-webkit-backdrop-filter: blur(6px);
	backdrop-filter: blur(6px);
	border-radius: 999px;
	color: rgba(255, 255, 255, 0.92);
	font-size: 12px;
	line-height: 1.4;
	text-align: center;
	opacity: 0;
	transform: translateY(4px);
	transition: opacity 0.25s ease, transform 0.25s ease;
	pointer-events: none;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.phz-folder-grid .photo-card:hover .photo-card-media:after,
.phz-folder-grid .photo-card:focus-within .photo-card-media:after { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
	.phz-folder-grid .photo-card-media:after { transition: none; }
}

/* =====================================================================
 * 8. 分页
 * =================================================================== */

.phz-pagination { margin-top: 36px; }
.phz-pagination ul { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 0; padding: 0; }
.phz-pagination a,
.phz-pagination span {
	display: inline-block;
	min-width: 40px;
	padding: 9px 14px;
	text-align: center;
	background: var(--phz-card);
	border: 1px solid var(--phz-line);
	border-radius: 999px;
	color: var(--phz-muted);
	font-size: 14px;
	transition: color 0.2s ease, border-color 0.2s ease;
}
.phz-pagination a:hover { border-color: #cfd5dd; color: var(--phz-ink); }
.phz-pagination .current { background: var(--phz-ink); border-color: var(--phz-ink); color: var(--phz-bg); }
.phz-pagination .dots { border: 0; background: transparent; }

/* =====================================================================
 * 9. 文章页 / 页面
 * =================================================================== */

.phz-single,
.phz-page-post {
	max-width: 860px;
	margin: 0 auto;
	background: var(--phz-card);
	border: 1px solid var(--phz-line);
	border-radius: var(--phz-radius);
	box-shadow: var(--phz-shadow);
	padding: clamp(24px, 5vw, 56px);
}

.entry-header { margin-bottom: 24px; }
.entry-title { font-size: clamp(24px, 4vw, 36px); margin: 0 0 10px; }

.entry-meta {
	display: flex; flex-wrap: wrap; gap: 6px 18px;
	color: var(--phz-muted); font-size: 13px;
}
.entry-meta a { color: var(--phz-muted); }
.entry-meta a:hover { color: var(--phz-ink); }

/* 大图与 EXIF */
.entry-photo { margin: 0 0 24px; }
.entry-photo img { width: 100%; border-radius: var(--phz-radius-s); display: block; }
.entry-photo a { display: block; cursor: zoom-in; }

.phz-exif {
	list-style: none;
	display: flex; flex-wrap: wrap; gap: 6px 8px;
	margin: 12px 0 0; padding: 0;
}
.phz-exif-item {
	display: inline-flex; align-items: center; gap: 6px;
	background: rgba(127, 137, 152, 0.1);
	border-radius: 999px;
	padding: 4px 12px;
	font-size: 12px;
	color: var(--phz-muted);
	white-space: nowrap;
}
.phz-exif-label { opacity: 0.75; }
.phz-exif-camera .phz-exif-value,
.phz-exif-lens .phz-exif-value { color: var(--phz-ink); font-weight: 500; }

.entry-content { font-size: 16px; line-height: 1.9; }
.entry-content p { margin: 0 0 1.2em; word-break: break-word; overflow-wrap: anywhere; }
.entry-content h2, .entry-content h3 { margin: 1.6em 0 0.6em; }
.entry-content img { border-radius: var(--phz-radius-s); }
.entry-content blockquote {
	margin: 1.4em 0; padding: 4px 0 4px 18px;
	border-left: 3px solid var(--phz-line);
	color: var(--phz-muted);
}
.entry-content figure { margin: 1.4em 0; }

.post-tags { margin-top: 28px; font-size: 13.5px; color: var(--phz-muted); }
.post-tags-label { margin-right: 4px; }
.tag-link {
	display: inline-block;
	margin: 0 6px 6px 0;
	padding: 3px 12px;
	background: rgba(127, 137, 152, 0.1);
	border-radius: 999px;
	color: var(--phz-muted);
	font-size: 12.5px;
}
.tag-link:hover { color: var(--phz-ink); }
.edit-link { margin-left: 12px; font-size: 13px; color: var(--phz-muted); }

.phz-post-nav {
	display: flex; justify-content: space-between; gap: 16px;
	margin-top: 32px; padding-top: 24px;
	border-top: 1px solid var(--phz-line);
	font-size: 14px;
}
.phz-post-nav a { color: var(--phz-muted); }
.phz-post-nav a:hover { color: var(--phz-accent); }
.post-nav-next { margin-left: auto; text-align: right; }

/* =====================================================================
 * 10. 空状态 / 404
 * =================================================================== */

.phz-empty {
	max-width: 560px;
	margin: 48px auto;
	text-align: center;
	background: var(--phz-card);
	border: 1px solid var(--phz-line);
	border-radius: var(--phz-radius);
	padding: 48px 32px;
}
.phz-empty h2 { margin: 0 0 8px; }
.phz-empty p { color: var(--phz-muted); }
.phz-empty .phz-searchform { margin-top: 20px; }
.phz-404-code { font-size: 72px; margin: 0; color: var(--phz-accent); letter-spacing: 2px; }

/* =====================================================================
 * 11. 搜索表单
 * =================================================================== */

.phz-searchform { display: flex; gap: 8px; }
.phz-search-field {
	flex: 1;
	padding: 11px 16px;
	border: 1.5px solid var(--phz-line);
	border-radius: 10px;
	background: var(--phz-bg);
	color: var(--phz-ink);
	font-family: inherit;
	font-size: 14px;
}
.phz-search-field:focus { outline: none; border-color: var(--phz-accent); box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.15); }
.phz-search-submit {
	padding: 11px 20px;
	border: 0;
	border-radius: 10px;
	background: var(--phz-accent);
	color: #fff;
	font-family: inherit;
	font-size: 14px;
	cursor: pointer;
	transition: opacity 0.2s ease;
}
.phz-search-submit:hover { opacity: 0.88; }

/* =====================================================================
 * 12. 评论
 * =================================================================== */

.phz-comments { margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--phz-line); }
.comments-title { font-size: 18px; }

.comment-list { list-style: none; margin: 0; padding: 0; }
.comment-list .comment { margin: 0 0 20px; }
.comment-list .children { list-style: none; margin: 16px 0 0; padding-left: 40px; }

.comment-list .comment-body {
	display: flex; gap: 12px;
	background: var(--phz-bg);
	border-radius: var(--phz-radius-s);
	padding: 16px;
}
.comment-list .avatar { width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0; }
.comment-list .comment-content { flex: 1; min-width: 0; }
.comment-list .fn { font-style: normal; font-weight: 600; font-size: 14px; }
.comment-list .comment-metadata { font-size: 12px; color: var(--phz-muted); }
.comment-list .comment-content p { margin: 6px 0; font-size: 14px; }
.comment-list .reply { font-size: 13px; }

.comment-form p { margin: 0 0 14px; }
.comment-form label { display: block; font-size: 13.5px; margin-bottom: 6px; color: var(--phz-muted); }
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
	width: 100%;
	padding: 11px 14px;
	border: 1.5px solid var(--phz-line);
	border-radius: 10px;
	background: var(--phz-bg);
	color: var(--phz-ink);
	font-family: inherit;
	font-size: 14px;
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--phz-accent); }
.comment-form .submit {
	padding: 11px 24px;
	border: 0;
	border-radius: 10px;
	background: var(--phz-accent);
	color: #fff;
	font-family: inherit;
	font-size: 14px;
	cursor: pointer;
}
.no-comments { color: var(--phz-muted); font-size: 14px; }

.comment-navigation .nav-links { display: flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 16px; }

/* =====================================================================
 * 13. 页脚
 * =================================================================== */

.phz-footer {
	background: var(--phz-card);
	border-top: 1px solid var(--phz-line);
	padding: 40px 0 28px;
}

.phz-footer-inner { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }

/* 联系方式区块：整体居中 */
.phz-contact { text-align: center; }
.phz-contact-title { font-size: 16px; margin: 0 0 8px; }
.phz-contact-note { color: var(--phz-muted); font-size: 14px; max-width: 560px; margin-left: auto; margin-right: auto; }

.phz-footer .phz-social-rail { margin-top: 16px; }
.phz-footer .phz-social-rail ul { display: flex; justify-content: center; gap: 8px; }
.phz-footer .phz-social-rail a {
	display: inline-flex; align-items: center; justify-content: center;
	width: 42px; height: 42px;
	border: 1px solid var(--phz-line);
	border-radius: 999px;
	color: var(--phz-muted);
	background: transparent;
}
.phz-footer .phz-social-rail a:hover { color: var(--phz-ink); border-color: #cfd5dd; }
.phz-footer .brand-icon { fill: currentColor; }

.phz-footer-widgets { margin-top: 28px; }
.phz-footer-widgets .widget-title { font-size: 14px; color: var(--phz-muted); margin: 0 0 10px; }
.phz-footer-widgets ul { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.phz-footer-widgets li { padding: 4px 0; }

/* 版权行：居中，回到顶部置于其下 */
.phz-footer-bottom {
	display: flex; flex-direction: column; align-items: center; gap: 10px;
	margin-top: 32px; padding-top: 20px;
	border-top: 1px solid var(--phz-line);
	color: var(--phz-muted);
	font-size: 13px;
	text-align: center;
}
.phz-back-top { color: var(--phz-muted); }
.phz-back-top:hover { color: var(--phz-ink); }

/* =====================================================================
 * 14. 灯箱描述
 * =================================================================== */

.glightbox-container .phz-lb-caption { display: block; font-size: 15px; margin-bottom: 4px; }
.glightbox-container .phz-exif { justify-content: center; }
.glightbox-container .phz-exif-item { background: rgba(255, 255, 255, 0.12); color: rgba(255, 255, 255, 0.9); }
.glightbox-container .phz-exif-camera .phz-exif-value,
.glightbox-container .phz-exif-lens .phz-exif-value { color: #fff; }

/* =====================================================================
 * 15. 响应式
 * =================================================================== */

@media (max-width: 1080px) {
	.phz-grid { column-count: 2; }
}

@media (max-width: 900px) {
	.phz-primary-nav { display: none; }
	.phz-mobile-toggle { display: inline-flex; }
}

@media (max-width: 720px) {
	.phz-grid { column-count: 1; }
	.phz-container { width: calc(100% - 32px); }

	/* 移动端：左侧栏并入页面底部按钮，避免遮挡内容 */
	.phz-rail {
		top: auto;
		bottom: 14px;
		left: 50%;
		transform: translateX(-50%);
		flex-direction: row;
		padding: 6px 10px;
	}
	.phz-rail.is-hidden { transform: translateX(-50%) translateY(calc(100% + 24px)); }
	.phz-rail-item, .phz-rail .phz-social-rail a { width: 44px; height: 44px; }
	.rail-label { display: none; }

	.phz-single, .phz-page-post { padding: 20px 18px; }
	.phz-site { padding-top: calc(var(--phz-navbar-h) + 28px); }
}

/* =====================================================================
 * 16. 动效偏好：减少动态效果
 * =================================================================== */

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after {
		animation-duration: 0.01ms !important;
		transition-duration: 0.01ms !important;
	}
}

/* =====================================================================
 * 17. WordPress 对齐类（块编辑器）
 * =================================================================== */

.alignwide { width: min(1080px, 100%); margin-left: 50%; transform: translateX(-50%); max-width: none; }
.alignfull { width: 100vw; margin-left: calc(50% - 50vw); max-width: none; }
.alignleft { float: left; margin: 0.4em 1.4em 1em 0; }
.alignright { float: right; margin: 0.4em 0 1em 1.4em; }
.aligncenter { margin-left: auto; margin-right: auto; display: block; }