/*
Theme Name: GZJHN Astra
Version: 2.0.0
Description: gzjhn.com 重构版独立主题（Herrmann 风格）：黑白灰 + 红色强调，Roboto/Roboto Condensed，双层头部、全宽 Hero、极简页脚。不依赖任何父主题。
Author: Codex
Requires at least: 6.0
Tested up to: 7.0
Requires PHP: 8.0
License: GNU General Public License v2 or later
Text Domain: gzjhn-astra
*/

/* ===== 设计令牌 ===== */
:root {
	--gz-black: #000;
	--gz-white: #fff;
	--gz-gray-100: #f5f5f5;
	--gz-gray-200: #ededed;
	--gz-gray-300: #d9d9d9;
	--gz-gray-400: #999;
	--gz-gray-600: #595959;
	--gz-red: #ff0000;
	--gz-font-base: "Roboto", "Fira Sans", sans-serif;
	--gz-font-condensed: "Roboto Condensed", "Fira Sans Condensed", sans-serif;
	--gz-container: 1230px;
	--gz-gutter: 30px;
	--gz-header-utility: 36px;
	--gz-header-main: 110px;
}

/* ===== 基础 ===== */
*,
*::before,
*::after {
	box-sizing: border-box;
}
html {
	scroll-behavior: smooth;
}
body {
	margin: 0;
	font-family: var(--gz-font-base);
	font-size: 18px;
	line-height: 1.5;
	color: var(--gz-black);
	background: var(--gz-white);
	-webkit-font-smoothing: antialiased;
}
img {
	max-width: 100%;
	height: auto;
}
a {
	color: var(--gz-black);
	text-decoration: none;
}
a:hover {
	color: var(--gz-red);
}
::selection {
	background: var(--gz-red);
	color: var(--gz-white);
}
.gz-wrap {
	max-width: var(--gz-container);
	margin: 0 auto;
	padding: 0 var(--gz-gutter);
}
.gz-kicker {
	font-family: var(--gz-font-condensed);
	font-size: 15px;
	font-weight: 700;
	letter-spacing: 1px;
	text-transform: uppercase;
	color: var(--gz-red);
}
.gz-title {
	font-family: var(--gz-font-condensed);
	font-size: 40px;
	font-weight: 400;
	letter-spacing: -1px;
	line-height: 1.1;
	margin: 0 0 8px;
	color: var(--gz-black);
}

/* ===== 按钮 ===== */
.gz-btn {
	display: inline-block;
	font-family: var(--gz-font-condensed);
	font-size: 13px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: var(--gz-red);
	border: 2px solid var(--gz-red);
	border-radius: 0;
	padding: 12px 24px;
	background: transparent;
	line-height: 1.2;
	transition: background 0.2s, color 0.2s;
}
.gz-btn:hover {
	background: var(--gz-red);
	color: var(--gz-white);
}
.gz-btn--solid {
	background: var(--gz-red);
	color: var(--gz-white);
}
.gz-btn--solid:hover {
	background: var(--gz-black);
	border-color: var(--gz-black);
	color: var(--gz-white);
}
.gz-btn--white {
	border-color: var(--gz-white);
	color: var(--gz-white);
}
.gz-btn--white:hover {
	background: var(--gz-white);
	color: var(--gz-black);
}
.gz-link-arrow {
	font-family: var(--gz-font-condensed);
	font-size: 15px;
	font-weight: 700;
	text-transform: uppercase;
	color: var(--gz-red);
	display: inline-flex;
	align-items: center;
	gap: 8px;
}
.gz-link-arrow::after {
	content: "→";
	transition: transform 0.2s;
}
.gz-link-arrow:hover::after {
	transform: translateX(5px);
}

/* ===== 头部：工具条 + 主栏 ===== */
.gz-header {
	position: relative;
	z-index: 100;
	background: var(--gz-white);
}
.gz-utility {
	background: var(--gz-black);
	color: var(--gz-white);
	font-family: var(--gz-font-condensed);
	font-size: 13px;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}
.gz-utility__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: var(--gz-header-utility);
}
.gz-utility__nav {
	display: flex;
	gap: 24px;
}
.gz-utility__nav a {
	color: var(--gz-white);
	opacity: 0.85;
}
.gz-utility__nav a:hover {
	color: var(--gz-red);
	opacity: 1;
}
.gz-utility__actions {
	display: flex;
	align-items: center;
	gap: 18px;
}
.gz-utility__actions a {
	color: var(--gz-white);
	opacity: 0.85;
	font-family: var(--gz-font-condensed);
	font-size: 13px;
	text-transform: uppercase;
}
.gz-utility__actions a:hover {
	color: var(--gz-red);
	opacity: 1;
}
.gz-lang {
	position: relative;
}
.gz-lang summary {
	list-style: none;
	cursor: pointer;
	font-family: var(--gz-font-condensed);
	font-size: 13px;
	text-transform: uppercase;
	color: var(--gz-white);
	opacity: 0.85;
	padding: 6px 0;
}
.gz-lang summary::-webkit-details-marker {
	display: none;
}
.gz-lang summary:hover {
	color: var(--gz-red);
	opacity: 1;
}
.gz-lang ul {
	display: none;
	position: absolute;
	right: 0;
	top: 100%;
	z-index: 50;
	min-width: 150px;
	background: var(--gz-white);
	border: 1px solid var(--gz-gray-200);
	border-top: 2px solid var(--gz-red);
	list-style: none;
	margin: 0;
	padding: 8px 0;
	box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}
.gz-lang[open] ul {
	display: block;
}
.gz-lang ul a {
	display: block;
	padding: 8px 18px;
	font-family: var(--gz-font-base);
	font-size: 14px;
	text-transform: none;
	color: var(--gz-black);
}
.gz-lang ul a:hover {
	color: var(--gz-red);
	background: var(--gz-gray-100);
}
.gz-mainbar {
	background: var(--gz-white);
	border-bottom: 1px solid var(--gz-gray-200);
}
.gz-mainbar__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 30px;
	min-height: var(--gz-header-main);
}
.gz-logo {
	display: block;
	flex-shrink: 0;
}
.gz-logo img {
	display: block;
	max-height: 64px;
	width: auto;
}
.gz-nav {
	flex: 1;
	display: flex;
	justify-content: flex-end;
}
.gz-nav__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	gap: 30px;
}
.gz-nav__list > li {
	position: relative;
}
.gz-nav__list > li > a {
	font-family: var(--gz-font-condensed);
	font-size: 15px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.3px;
	color: var(--gz-black);
	display: inline-block;
	padding: 10px 0;
}
.gz-nav__list > li:hover > a,
.gz-nav__list > li.current-menu-item > a,
.gz-nav__list > li.current_page_item > a {
	color: var(--gz-red);
}
.gz-nav__list .sub-menu {
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 260px;
	background: var(--gz-white);
	border: 1px solid var(--gz-gray-200);
	border-top: 2px solid var(--gz-red);
	list-style: none;
	margin: 0;
	padding: 8px 0;
	box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}
.gz-nav__list li:hover > .sub-menu,
.gz-nav__list li:focus-within > .sub-menu {
	display: block;
}
.gz-nav__list .sub-menu a {
	display: block;
	padding: 9px 20px;
	font-size: 15px;
	color: var(--gz-black);
}
.gz-nav__list .sub-menu a:hover {
	color: var(--gz-red);
	background: var(--gz-gray-100);
}
.gz-searchform {
	display: flex;
	align-items: center;
	border-bottom: 2px solid var(--gz-black);
	padding: 2px 0;
}
.gz-searchform input {
	border: 0;
	outline: 0;
	font-family: var(--gz-font-base);
	font-size: 14px;
	width: 130px;
	background: transparent;
}
.gz-searchform button {
	border: 0;
	background: none;
	cursor: pointer;
	font-size: 15px;
	color: var(--gz-black);
}
.gz-burger {
	display: none;
	border: 0;
	background: none;
	cursor: pointer;
	width: 30px;
	height: 24px;
	position: relative;
}
.gz-burger span,
.gz-burger span::before,
.gz-burger span::after {
	content: "";
	position: absolute;
	left: 0;
	width: 100%;
	height: 3px;
	background: var(--gz-black);
}
.gz-burger span {
	top: 50%;
	transform: translateY(-50%);
}
.gz-burger span::before {
	top: -8px;
}
.gz-burger span::after {
	top: 8px;
}

/* ===== Hero ===== */
.gz-hero {
	position: relative;
	height: 85vh;
	min-height: 560px;
	max-height: 860px;
	overflow: hidden;
	background: var(--gz-black);
}
.gz-hero .gz-slide {
	position: absolute;
	inset: 0;
	opacity: 0;
	transition: opacity 0.8s ease;
	background-size: cover;
	background-position: center;
	display: flex;
	align-items: center;
}
.gz-hero .gz-slide.active {
	opacity: 1;
}
.gz-hero .gz-slide::before {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(90deg, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.38) 55%, rgba(0, 0, 0, 0.12) 100%);
}
.gz-hero .gz-slide__video {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
}
/* 视频幻灯片：不叠加文字暗化层，保持视频干净 */
.gz-hero .gz-slide--video::before {
	display: none;
}
.gz-hero .gz-slide--video {
	background: var(--gz-black);
}
.gz-video-toggle {
	position: absolute;
	bottom: 16px;
	right: calc(var(--gz-gutter) + 112px);
	z-index: 3;
	border: 2px solid rgba(255, 255, 255, 0.7);
	background: rgba(0, 0, 0, 0.35);
	color: var(--gz-white);
	font-family: var(--gz-font-condensed);
	font-size: 12px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	padding: 8px 14px;
	cursor: pointer;
	transition: background 0.2s, border-color 0.2s;
}
.gz-video-toggle:hover {
	background: var(--gz-red);
	border-color: var(--gz-red);
}
.gz-video-watch {
	position: absolute;
	bottom: 16px;
	left: var(--gz-gutter);
	z-index: 3;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	border: 2px solid rgba(255, 255, 255, 0.85);
	background: rgba(0, 0, 0, 0.45);
	color: var(--gz-white);
	font-family: var(--gz-font-condensed);
	font-size: 13px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	padding: 10px 18px;
	cursor: pointer;
	transition: background 0.2s, border-color 0.2s;
}
.gz-video-watch::before {
	content: "▶";
	font-size: 12px;
}
.gz-video-watch:hover {
	background: var(--gz-red);
	border-color: var(--gz-red);
}
.gz-hero .gz-slide-inner {
	position: relative;
	z-index: 1;
	max-width: var(--gz-container);
	width: 100%;
	margin: 0 auto;
	padding: 0 var(--gz-gutter);
	color: var(--gz-white);
}
.gz-hero .gz-slide-inner .gz-kicker {
	color: var(--gz-red);
}
.gz-hero h2 {
	font-family: var(--gz-font-condensed);
	font-size: 50px;
	font-weight: 400;
	letter-spacing: -1px;
	line-height: 1.08;
	margin: 14px 0 18px;
	max-width: 720px;
	color: var(--gz-white);
	text-shadow: 0 2px 16px rgba(0, 0, 0, 0.55);
}
.gz-hero p {
	font-size: 18px;
	max-width: 560px;
	margin: 0 0 26px;
	opacity: 0.92;
	color: var(--gz-white);
	text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
}
.gz-hero .gz-slide__actions {
	display: flex;
	gap: 16px;
	align-items: center;
}
.gz-hero .gz-dots {
	position: absolute;
	bottom: 24px;
	left: 0;
	right: 0;
	display: flex;
	justify-content: center;
	gap: 10px;
	z-index: 3;
}
.gz-hero .gz-dot {
	width: 12px;
	height: 12px;
	border-radius: 50%;
	border: 0;
	background: rgba(255, 255, 255, 0.45);
	cursor: pointer;
}
.gz-hero .gz-dot.active {
	background: var(--gz-red);
}
.gz-hero .gz-arrows {
	position: absolute;
	bottom: 16px;
	right: var(--gz-gutter);
	z-index: 3;
	display: flex;
	gap: 10px;
}
.gz-hero .gz-arrow {
	width: 46px;
	height: 46px;
	border: 2px solid rgba(255, 255, 255, 0.7);
	background: none;
	color: var(--gz-white);
	font-size: 18px;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background 0.2s, border-color 0.2s;
}
.gz-hero .gz-arrow:hover {
	background: var(--gz-red);
	border-color: var(--gz-red);
}

/* ===== 区块通用 ===== */
.gz-section {
	padding: 80px 0;
}
.gz-section--gray {
	background: var(--gz-gray-100);
}
.gz-section__head {
	max-width: 720px;
	margin-bottom: 40px;
}
.gz-section__head .gz-sub {
	font-size: 18px;
	color: var(--gz-gray-600);
	margin: 10px 0 0;
}

/* ===== 大图区块（teaser）===== */
.gz-teaser {
	position: relative;
	min-height: 600px;
	display: flex;
	align-items: center;
	background-size: cover;
	background-position: center;
	overflow: hidden;
}
.gz-teaser::before {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(90deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 60%, rgba(0, 0, 0, 0.12) 100%);
}
.gz-teaser__inner {
	position: relative;
	z-index: 1;
	width: 100%;
	color: var(--gz-white);
	max-width: 640px;
	padding: 60px 0;
}
.gz-teaser h2 {
	font-family: var(--gz-font-condensed);
	font-size: 44px;
	font-weight: 400;
	letter-spacing: -1px;
	line-height: 1.1;
	margin: 14px 0 18px;
	color: var(--gz-white);
	text-shadow: 0 2px 16px rgba(0, 0, 0, 0.55);
}
.gz-teaser p {
	font-size: 18px;
	margin: 0 0 28px;
	opacity: 0.92;
	color: var(--gz-white);
	text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
}

/* ===== 快捷入口 ===== */
.gz-shortcuts {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	border: 1px solid var(--gz-gray-200);
}
.gz-shortcut {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 28px 30px;
	font-family: var(--gz-font-condensed);
	font-size: 17px;
	font-weight: 700;
	text-transform: uppercase;
	color: var(--gz-black);
	border-right: 1px solid var(--gz-gray-200);
	transition: background 0.2s, color 0.2s;
}
.gz-shortcut:last-child {
	border-right: 0;
}
.gz-shortcut::after {
	content: "→";
	color: var(--gz-red);
	font-size: 20px;
}
.gz-shortcut:hover {
	background: var(--gz-black);
	color: var(--gz-white);
}

/* ===== 图文分栏 ===== */
.gz-split {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 60px;
	align-items: center;
}
.gz-split--reverse .gz-split__media {
	order: 2;
}
.gz-split__media img {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 16 / 8;
	object-fit: cover;
}
.gz-split__body .gz-title {
	margin-top: 12px;
}
.gz-split__body p {
	font-size: 17px;
	color: var(--gz-gray-600);
	margin: 14px 0 22px;
}

/* ===== 产品卡片 ===== */
.gz-products-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 24px;
}
.gz-card {
	display: block;
	background: var(--gz-white);
	border: 1px solid var(--gz-gray-200);
	transition: box-shadow 0.2s, border-color 0.2s;
}
.gz-card:hover {
	border-color: var(--gz-red);
	box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}
.gz-card img {
display: block;
width: 100%;
aspect-ratio: 1 / 1;
object-fit: cover;
}
.gz-card__body {
	padding: 20px 22px 24px;
}
.gz-card h3 {
	font-family: var(--gz-font-condensed);
	font-size: 19px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.2px;
	margin: 0 0 8px;
	color: var(--gz-black);
}
.gz-card p {
	font-size: 15px;
	color: var(--gz-gray-600);
	margin: 0;
	line-height: 1.55;
}
.gz-card:hover h3 {
	color: var(--gz-red);
}

/* ===== 资讯列表 ===== */
.gz-news-list {
	border-top: 1px solid var(--gz-gray-200);
}
.gz-news-item {
	display: grid;
	grid-template-columns: 110px 1fr auto;
	gap: 30px;
	align-items: center;
	padding: 22px 0;
	border-bottom: 1px solid var(--gz-gray-200);
}
.gz-news-item__date {
	font-family: var(--gz-font-condensed);
	font-size: 15px;
	font-weight: 700;
	text-transform: uppercase;
	color: var(--gz-gray-400);
}
.gz-news-item h3 {
	font-family: var(--gz-font-condensed);
	font-size: 20px;
	font-weight: 700;
	margin: 0;
}
.gz-news-item h3 a {
	color: var(--gz-black);
}
.gz-news-item h3 a:hover {
	color: var(--gz-red);
}
.gz-news-item__arrow {
	font-size: 20px;
	color: var(--gz-red);
}

/* ===== CTA ===== */
.gz-cta {
	background: var(--gz-black);
	color: var(--gz-white);
	padding: 90px 0;
	text-align: center;
}
.gz-cta h2 {
	font-family: var(--gz-font-condensed);
	font-size: 40px;
	font-weight: 400;
	letter-spacing: -1px;
	margin: 0 0 12px;
	color: var(--gz-white);
}
.gz-cta p {
	font-size: 18px;
	opacity: 0.85;
	margin: 0 0 30px;
	color: var(--gz-white);
}

/* ===== 页脚 ===== */
.gz-footer {
	background: var(--gz-white);
	border-top: 1px solid var(--gz-gray-200);
	padding: 48px 0 40px;
}
.gz-footer__nav {
	display: flex;
	flex-wrap: wrap;
	gap: 28px;
	justify-content: center;
	font-family: var(--gz-font-condensed);
	font-size: 14px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.4px;
	margin-bottom: 22px;
}
.gz-footer__nav a {
	color: var(--gz-black);
}
.gz-footer__nav a:hover {
	color: var(--gz-red);
}
.gz-footer__social {
	display: flex;
	justify-content: center;
	gap: 16px;
	margin-bottom: 22px;
}
.gz-footer__social a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 34px;
	height: 34px;
	border: 1px solid var(--gz-gray-300);
	color: var(--gz-black);
	font-size: 14px;
	font-family: var(--gz-font-condensed);
	font-weight: 700;
	text-transform: uppercase;
	transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.gz-footer__social a:hover {
	background: var(--gz-red);
	border-color: var(--gz-red);
	color: var(--gz-white);
}
.gz-footer__meta {
	text-align: center;
	font-size: 13px;
	color: var(--gz-gray-400);
}
.gz-footer__meta a {
	color: var(--gz-gray-400);
}
.gz-footer__meta a:hover {
	color: var(--gz-red);
}

/* ===== 搜索 / 404 ===== */
.gz-search {
	max-width: var(--gz-container);
	margin: 0 auto;
	padding: 0 var(--gz-gutter) 80px;
}
.gz-search__list {
	list-style: none;
	margin: 24px 0 0;
	padding: 0;
	border-top: 1px solid var(--gz-gray-200);
}
.gz-search__item {
	padding: 18px 0;
	border-bottom: 1px solid var(--gz-gray-200);
}
.gz-search__item a {
	font-family: var(--gz-font-condensed);
	font-size: 20px;
	font-weight: 700;
	color: var(--gz-black);
}
.gz-search__item a:hover {
	color: var(--gz-red);
}
.gz-404 {
	max-width: var(--gz-container);
	margin: 0 auto;
	padding: 0 var(--gz-gutter) 100px;
}
.gz-404 h1 {
	font-family: var(--gz-font-condensed);
	font-size: 40px;
	font-weight: 400;
	letter-spacing: -1px;
	margin: 0 0 12px;
}
.gz-404 p {
	color: var(--gz-gray-600);
	margin: 0 0 18px;
}
.gz-404 a {
	color: var(--gz-red);
	font-weight: 700;
}

/* ===== 内页标题 ===== */
.entry-header {
	padding-top: 52px;
	padding-bottom: 20px;
}
.entry-title {
	font-family: var(--gz-font-condensed);
	font-size: 40px !important;
	font-weight: 400;
	letter-spacing: -1px;
	line-height: 1.1;
	color: var(--gz-black);
	margin: 0;
}

/* ===== 移动端 ===== */
.gz-mobile-nav {
	display: none;
	background: var(--gz-white);
	border-bottom: 1px solid var(--gz-gray-200);
	padding: 12px 0 20px;
}
.gz-mobile-nav.open {
	display: block;
}
.gz-mobile-nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
}
.gz-mobile-nav > ul > li > a {
	display: block;
	padding: 13px 0;
	font-family: var(--gz-font-condensed);
	font-size: 17px;
	font-weight: 700;
	text-transform: uppercase;
	border-bottom: 1px solid var(--gz-gray-200);
}
.gz-mobile-nav .sub-menu {
	padding-left: 18px;
}
.gz-mobile-nav .sub-menu a {
	display: block;
	padding: 9px 0;
	font-size: 15px;
	color: var(--gz-gray-600);
}

@media (max-width: 992px) {
	.gz-nav {
		display: none;
	}
	.gz-burger {
		display: block;
	}
	.gz-searchform {
		display: none;
	}
	.gz-shortcuts {
		grid-template-columns: repeat(2, 1fr);
	}
	.gz-shortcut:nth-child(2) {
		border-right: 0;
	}
	.gz-shortcut:nth-child(-n + 2) {
		border-bottom: 1px solid var(--gz-gray-200);
	}
	.gz-products-grid {
		grid-template-columns: repeat(2, 1fr);
	}
	.gz-split {
		grid-template-columns: 1fr;
		gap: 30px;
	}
	.gz-split--reverse .gz-split__media {
		order: 0;
	}
	.gz-hero h2 {
		font-size: 34px;
	}
	.gz-hero p {
		font-size: 16px;
	}
	.gz-teaser h2 {
		font-size: 32px;
	}
	.gz-utility__nav a:nth-child(n + 4) {
		display: none;
	}
}

@media (max-width: 600px) {
	:root {
		--gz-gutter: 20px;
	}
	.gz-utility__nav {
		display: none;
	}
	.gz-mainbar__inner {
		min-height: 76px;
	}
	.gz-hero {
		height: 72vh;
		min-height: 460px;
	}
	.gz-products-grid {
		grid-template-columns: 1fr;
	}
	.gz-shortcuts {
		grid-template-columns: 1fr;
	}
	.gz-shortcut {
		border-right: 0;
		border-bottom: 1px solid var(--gz-gray-200);
	}
	.gz-news-item {
		grid-template-columns: 1fr auto;
		gap: 10px;
	}
	.gz-section {
		padding: 56px 0;
	}
	.gz-title {
		font-size: 32px;
	}
	.gz-teaser {
		min-height: 460px;
	}
}