/* ==========================================================================
   磐岩再生 PanYan CD — 主样式
   粗野主义 · 混凝土灰 + 工程黄警示条 · 粗黑描边 · 硬投影 · 零圆角
   ========================================================================== */

:root {
	--c-ink: #16181c;
	--c-concrete: #d6d3cd;
	--c-concrete-2: #c9c5be;
	--c-text: #4a4842;
	--c-line: #16181c;
	--c-yellow: #f5c518;
	--c-yellow-deep: #d9ac0d;
	--c-bg: #e4e1da;
	--c-card: #f2f0ec;
	--shadow-hard: 6px 6px 0 var(--c-ink);
	--shadow-hard-lg: 10px 10px 0 var(--c-ink);
	--tape: repeating-linear-gradient(-45deg, var(--c-yellow) 0 22px, var(--c-ink) 22px 44px);
	--font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
	margin: 0;
	font-family: var(--font);
	font-size: 16px;
	line-height: 1.72;
	color: var(--c-text);
	background: var(--c-bg);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-ink); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-yellow-deep); }
h1, h2, h3, h4 { color: var(--c-ink); line-height: 1.14; margin: 0 0 .5em; font-weight: 900; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
::selection { background: var(--c-yellow); color: var(--c-ink); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	overflow: hidden; clip: rect(0 0 0 0);
	white-space: nowrap;
}
.skip-link:focus {
	position: fixed; left: 16px; top: 16px; z-index: 999;
	width: auto; height: auto; clip: auto;
	background: var(--c-yellow); color: var(--c-ink);
	padding: 10px 18px; border: 2px solid var(--c-ink);
}
:focus-visible { outline: 3px solid var(--c-yellow); outline-offset: 2px; }

/* ---------- 顶部警示条 ---------- */
.tapebar { height: 14px; background: var(--tape); }

/* ---------- 按钮 ---------- */
.btn {
	display: inline-flex; align-items: center; gap: 8px;
	padding: 13px 28px;
	border: 2.5px solid var(--c-ink);
	font-size: 15px; font-weight: 800; letter-spacing: .02em;
	cursor: pointer; white-space: nowrap;
	transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn:hover { transform: translate(-3px, -3px); box-shadow: var(--shadow-hard); }
.btn:active { transform: translate(0, 0); box-shadow: none; }
.btn--yellow { background: var(--c-yellow); color: var(--c-ink); }
.btn--yellow:hover { color: var(--c-ink); }
.btn--line { background: var(--c-card); color: var(--c-ink); }
.btn--line:hover { background: #fff; color: var(--c-ink); }
.btn--sm { padding: 9px 18px; font-size: 13.5px; }
.btn--lg { padding: 15px 32px; font-size: 16px; }
.btn--block { width: 100%; justify-content: center; }
.py-icon { flex-shrink: 0; }

/* ---------- 页头 ---------- */
.site-header {
	position: sticky; top: 0; z-index: 100;
	background: var(--c-concrete);
	border-bottom: 3px solid var(--c-ink);
}
.site-header__inner { display: flex; align-items: center; gap: 28px; min-height: 74px; }
.site-brand { margin-right: auto; }
.site-brand__link { display: flex; align-items: center; gap: 12px; }
.site-brand__mark {
	width: 46px; height: 46px;
	display: grid; place-items: center; color: var(--c-yellow);
	background: var(--c-ink);
}
.site-brand__name { display: block; font-size: 21px; font-weight: 900; color: var(--c-ink); letter-spacing: .02em; }
.site-brand__slogan { display: block; font-size: 11.5px; color: var(--c-text); letter-spacing: .1em; text-transform: uppercase; }
.custom-logo { max-height: 48px; width: auto; }

.site-nav__list { list-style: none; display: flex; gap: 2px; margin: 0; padding: 0; }
.site-nav__list li { position: relative; }
.site-nav__list a {
	display: block; padding: 9px 14px;
	color: var(--c-ink); font-weight: 700; font-size: 14.5px;
	border: 2px solid transparent;
}
.site-nav__list a:hover { border-color: var(--c-ink); background: var(--c-yellow); }
.site-nav__list .sub-menu {
	position: absolute; top: 100%; left: 0; min-width: 190px;
	list-style: none; margin: 4px 0 0; padding: 8px;
	background: var(--c-card); border: 2.5px solid var(--c-ink);
	box-shadow: var(--shadow-hard);
	opacity: 0; visibility: hidden; transform: translateY(8px);
	transition: all .2s ease;
}
.site-nav__list li:hover > .sub-menu,
.site-nav__list li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }

.site-header__actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
	display: none; flex-direction: column; justify-content: center; gap: 5px;
	width: 44px; height: 44px; padding: 10px;
	background: var(--c-card); border: 2.5px solid var(--c-ink); cursor: pointer;
}
.nav-toggle span { display: block; height: 2.5px; background: var(--c-ink); transition: transform .25s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- 首屏 ---------- */
.hero { position: relative; background: var(--c-concrete); border-bottom: 3px solid var(--c-ink); }
.hero__inner { padding-top: 74px; padding-bottom: 70px; }
.hero__kicker { font-size: 12.5px; font-weight: 800; letter-spacing: .26em; color: var(--c-text); margin-bottom: 20px; }
.hero__title { font-size: clamp(44px, 7vw, 88px); font-weight: 900; line-height: .98; margin-bottom: 34px; text-transform: uppercase; }
.hero__title mark {
	background: var(--c-yellow); color: var(--c-ink);
	padding: 0 .12em; box-decoration-break: clone; -webkit-box-decoration-break: clone;
	box-shadow: var(--shadow-hard);
}
.hero__row { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: end; margin-bottom: 54px; }
.hero__desc { font-size: 16.5px; max-width: 34em; margin: 0; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
.hero__board {
	list-style: none; margin: 0; padding: 0;
	display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
	border: 3px solid var(--c-ink); background: var(--c-card);
}
.hero__board li { padding: 22px 24px; border-left: 3px solid var(--c-ink); }
.hero__board li:first-child { border-left: 0; }
.hero__board strong { display: block; font-size: 40px; font-weight: 900; color: var(--c-ink); line-height: 1; font-variant-numeric: tabular-nums; }
.hero__board span { display: block; font-size: 12.5px; margin-top: 6px; font-weight: 600; }
.hero__board li:nth-child(2) strong, .hero__board li:nth-child(4) strong { color: var(--c-yellow-deep); }

.hero__tape, .tape { height: 14px; background: var(--tape); }

/* ---------- 通用版块 ---------- */
.section { padding: 84px 0; }
.section--pad { padding: 60px 0 84px; }
.section--gray { background: var(--c-concrete-2); }
.section--dark { background: var(--c-ink); color: rgba(255, 255, 255, .72); }
.section--dark .section-head__title { color: #fff; }
.section--dark .section-head__desc { color: rgba(255, 255, 255, .6); }
.section-head { max-width: 680px; margin: 0 auto 50px; }
.section-head__eyebrow { font-size: 12.5px; font-weight: 800; letter-spacing: .26em; color: var(--c-yellow-deep); margin-bottom: 12px; }
.section--dark .section-head__eyebrow { color: var(--c-yellow); }
.section-head__title { font-size: clamp(28px, 3.6vw, 46px); font-weight: 900; margin-bottom: 12px; text-transform: uppercase; }
.section-head__desc { margin: 0; }
.section-foot { margin: 46px 0 0; }

/* ---------- 买/租/建 ---------- */
.mode-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mode-card {
	background: var(--c-card); border: 3px solid var(--c-ink);
	padding: 32px 30px;
	display: flex; flex-direction: column;
	transition: transform .15s ease, box-shadow .15s ease;
}
.mode-card:hover { transform: translate(-4px, -4px); box-shadow: var(--shadow-hard-lg); }
.mode-card--hot { background: var(--c-yellow); }
.mode-card__tag {
	align-self: flex-start;
	font-size: 12px; font-weight: 800; letter-spacing: .06em;
	color: var(--c-card); background: var(--c-ink);
	padding: 5px 13px; margin-bottom: 16px;
}
.mode-card--hot .mode-card__tag { color: var(--c-yellow); }
.mode-card h3 { font-size: 26px; margin-bottom: 12px; }
.mode-card__num { font-size: 15px; margin-bottom: 20px; }
.mode-card__num strong { font-size: 26px; font-weight: 900; color: var(--c-ink); }
.mode-card ul { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 11px; flex: 1; }
.mode-card li { display: flex; gap: 9px; align-items: flex-start; font-size: 14px; font-weight: 500; }
.mode-card .py-icon { color: var(--c-ink); margin-top: 3px; flex-shrink: 0; }

/* ---------- 设备卡片 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
	background: var(--c-card); border: 3px solid var(--c-ink);
	display: flex; flex-direction: column;
	transition: transform .15s ease, box-shadow .15s ease;
}
.product-card:hover { transform: translate(-4px, -4px); box-shadow: var(--shadow-hard-lg); }
.product-card__media {
	position: relative; display: block; aspect-ratio: 16 / 10;
	background:
		repeating-linear-gradient(-45deg, rgba(0, 0, 0, .05) 0 8px, transparent 8px 16px),
		var(--c-concrete-2);
	border-bottom: 3px solid var(--c-ink);
	overflow: hidden;
}
.product-card__media img { width: 100%; height: 100%; object-fit: cover; }
.product-card__ph { position: absolute; inset: 0; display: grid; place-items: center; color: var(--c-ink); }
.product-card__spec {
	position: absolute; left: 0; bottom: 12px;
	font-size: 12px; font-weight: 800; color: var(--c-ink);
	background: var(--c-yellow);
	padding: 5px 14px; border: 2px solid var(--c-ink); border-left: 0;
}
.product-card__body { padding: 20px 24px 22px; display: flex; flex-direction: column; flex: 1; }
.product-card__title { font-size: 18px; margin-bottom: 8px; text-transform: none; }
.product-card__title a { color: var(--c-ink); }
.product-card__title a:hover { color: var(--c-yellow-deep); }
.product-card__desc { font-size: 14px; flex: 1; margin-bottom: 14px; }
.product-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 800; color: var(--c-ink); }
.product-card__more:hover { gap: 10px; color: var(--c-yellow-deep); }

/* ---------- 再生产品出口 ---------- */
.output-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.output-card {
	background: var(--c-card); border: 3px solid var(--c-ink);
	padding: 26px 24px 22px;
	transition: transform .15s ease, box-shadow .15s ease;
}
.output-card:hover { transform: translate(-4px, -4px); box-shadow: var(--shadow-hard); }
.output-card__num { display: block; font-size: 34px; font-weight: 900; color: var(--c-yellow-deep); line-height: 1; margin-bottom: 12px; font-variant-numeric: tabular-nums; }
.output-card h3 { font-size: 18px; margin-bottom: 6px; text-transform: none; }
.output-card p { font-size: 13.5px; margin: 0; }

/* ---------- 案例行 ---------- */
.case-list { display: grid; gap: 20px; }
.case-row {
	display: grid; grid-template-columns: 180px 1fr; gap: 28px; align-items: center;
	background: var(--c-card); border: 3px solid var(--c-ink);
	padding: 26px 32px;
	transition: transform .15s ease, box-shadow .15s ease;
}
.case-row:hover { transform: translate(-4px, -4px); box-shadow: var(--shadow-hard-lg); }
.case-row__num {
	font-size: 30px; font-weight: 900; color: var(--c-ink);
	background: var(--c-yellow); border: 2.5px solid var(--c-ink);
	padding: 14px 10px; text-align: center; line-height: 1.1;
}
.case-row__body h3 { font-size: 21px; margin-bottom: 4px; text-transform: none; }
.case-row__meta { font-size: 13px; font-weight: 800; color: var(--c-yellow-deep); margin-bottom: 8px; }
.case-row__desc { font-size: 14px; margin: 0; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
	background: var(--c-card); border: 3px solid var(--c-ink);
	padding: 26px 28px 22px;
	transition: transform .15s ease, box-shadow .15s ease;
}
.news-card:hover { transform: translate(-4px, -4px); box-shadow: var(--shadow-hard); }
.news-card__date { font-size: 13px; font-weight: 800; color: var(--c-yellow-deep); margin-bottom: 10px; }
.news-card h3 { font-size: 17px; margin-bottom: 10px; text-transform: none; }
.news-card h3 a { color: var(--c-ink); }
.news-card__desc { font-size: 14px; }
.news-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 800; color: var(--c-ink); }

/* ---------- 联系 ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.contact__copy .section-head__title { color: #fff; }
.contact__copy > p { color: rgba(255, 255, 255, .68); max-width: 30em; }
.contact__list { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 15px; }
.contact__list li { display: flex; align-items: center; gap: 12px; font-size: 15px; color: rgba(255, 255, 255, .85); }
.contact__list .py-icon { color: var(--c-yellow); }

.contact__form-wrap { background: var(--c-card); border: 3px solid var(--c-ink); padding: 34px; box-shadow: 10px 10px 0 var(--c-yellow); }
.contact-form h3 { font-size: 22px; margin-bottom: 20px; text-transform: none; }
.contact-form p { margin-bottom: 16px; }
.contact-form label { display: block; font-size: 13.5px; font-weight: 800; color: var(--c-ink); margin-bottom: 6px; }
.contact-form input[type="text"],
.contact-form input[type="tel"],
.contact-form textarea {
	width: 100%; padding: 12px 15px;
	border: 2.5px solid var(--c-ink);
	font-family: inherit; font-size: 15px; color: var(--c-ink);
	background: #fff;
	transition: box-shadow .15s ease;
}
.contact-form input:focus, .contact-form textarea:focus {
	outline: none; box-shadow: 4px 4px 0 var(--c-yellow);
}
.contact-form__tip { font-size: 12.5px; color: #8a887f; text-align: center; margin: 12px 0 0; }
.hp-field { position: absolute !important; left: -9999px; }
.form-notice {
	background: var(--c-yellow); border: 2.5px solid var(--c-ink); color: var(--c-ink);
	padding: 13px 17px; margin-bottom: 18px; font-size: 14.5px; font-weight: 700;
}

/* ---------- 内页头部 ---------- */
.page-hero {
	background: var(--c-ink); color: #fff;
	border-bottom: 3px solid var(--c-ink);
	padding: 60px 0;
}
.page-hero__title { color: #fff; font-size: clamp(30px, 4vw, 46px); font-weight: 900; margin: 0; text-transform: uppercase; }
.page-hero__sub { color: rgba(255, 255, 255, .6); margin: 10px 0 0; }
.page-hero__meta { font-size: 13px; font-weight: 800; color: var(--c-yellow); margin: 0 0 10px; }
.page-hero__meta a { color: var(--c-yellow); }

/* ---------- 博客列表 ---------- */
.post-list { display: grid; gap: 22px; max-width: 860px; margin: 0 auto; }
.post-card {
	display: grid; grid-template-columns: 280px 1fr;
	background: var(--c-card); border: 3px solid var(--c-ink);
	overflow: hidden; transition: transform .15s ease, box-shadow .15s ease;
}
.post-card:hover { transform: translate(-4px, -4px); box-shadow: var(--shadow-hard-lg); }
.post-card__thumb { border-right: 3px solid var(--c-ink); }
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card:not(:has(.post-card__thumb)) { grid-template-columns: 1fr; }
.post-card__body { padding: 24px 28px; }
.post-card__meta { font-size: 12.5px; font-weight: 800; color: var(--c-yellow-deep); margin-bottom: 8px; }
.post-card__meta a { color: inherit; }
.post-card__title { font-size: 20px; margin-bottom: 8px; text-transform: none; }
.post-card__title a { color: var(--c-ink); }
.post-card__desc { font-size: 14.5px; margin-bottom: 12px; }
.post-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 800; color: var(--c-ink); }
.no-results { text-align: center; padding: 60px 0; }

.navigation.pagination { margin: 46px 0 0; text-align: center; }
.nav-links { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.nav-links .page-numbers {
	display: inline-block; min-width: 44px; padding: 9px 14px;
	border: 2.5px solid var(--c-ink);
	color: var(--c-ink); font-weight: 800; font-size: 14px; background: var(--c-card);
}
.nav-links .page-numbers.current,
.nav-links .page-numbers:hover { background: var(--c-yellow); color: var(--c-ink); }

/* ---------- 文章内容 ---------- */
.entry-wrap { max-width: 860px; padding-top: 44px; padding-bottom: 84px; }
.entry__thumb { margin: 0 0 30px; border: 3px solid var(--c-ink); overflow: hidden; }
.entry__content { font-size: 16px; }
.entry__content h2 { font-size: 26px; margin-top: 1.6em; text-transform: none; }
.entry__content h3 { font-size: 20px; margin-top: 1.4em; text-transform: none; }
.entry__content blockquote {
	margin: 1.5em 0; padding: 16px 24px;
	border-left: 5px solid var(--c-yellow);
	background: var(--c-card); border-top: 2px solid var(--c-ink); border-bottom: 2px solid var(--c-ink);
}
.entry__content table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
.entry__content th, .entry__content td { border: 2px solid var(--c-ink); padding: 10px 14px; text-align: left; }
.entry__content th { background: var(--c-concrete-2); }
.entry__tags { margin-top: 26px; font-size: 14px; }
.page-links { margin: 22px 0; }

.post-nav {
	display: flex; justify-content: space-between; gap: 20px;
	margin: 42px 0; padding-top: 26px; border-top: 3px solid var(--c-ink);
	font-size: 14px; font-weight: 600;
}
.post-nav__next { text-align: right; }

/* ---------- 评论 ---------- */
.comments-area { margin-top: 46px; }
.comments-title, .comment-reply-title { font-size: 21px; text-transform: none; }
.comment-list { list-style: none; margin: 0 0 28px; padding: 0; }
.comment-list .comment { border-bottom: 2px solid var(--c-ink); padding: 19px 0; }
.comment-list .children { list-style: none; padding-left: 38px; }
.comment-author { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--c-ink); }
.comment-author .avatar { border: 2px solid var(--c-ink); }
.comment-metadata { font-size: 12px; }
.comment-content { font-size: 14.5px; }
.reply { font-size: 13px; }
.comment-form input[type="text"], .comment-form input[type="email"], .comment-form input[type="url"], .comment-form textarea {
	width: 100%; padding: 11px 14px;
	border: 2.5px solid var(--c-ink);
	font-family: inherit; font-size: 15px; background: #fff;
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; box-shadow: 4px 4px 0 var(--c-yellow); }
.form-submit .submit {
	background: var(--c-yellow); color: var(--c-ink); border: 2.5px solid var(--c-ink);
	padding: 12px 30px; font-size: 15px; font-weight: 800; cursor: pointer;
	transition: transform .15s ease, box-shadow .15s ease;
}
.form-submit .submit:hover { transform: translate(-3px, -3px); box-shadow: var(--shadow-hard); }

/* ---------- 搜索 / 404 ---------- */
.search-form { display: flex; gap: 10px; max-width: 480px; }
.search-form__input {
	flex: 1; padding: 12px 16px;
	border: 2.5px solid var(--c-ink);
	font-family: inherit; font-size: 15px; background: #fff;
}
.search-form__input:focus { outline: none; box-shadow: 4px 4px 0 var(--c-yellow); }
.error-404 { text-align: center; padding: 40px 0; }
.error-404__code {
	font-size: clamp(96px, 18vw, 190px); font-weight: 900; line-height: 1;
	color: var(--c-ink);
	text-shadow: 6px 6px 0 var(--c-yellow);
	margin: 0 0 12px;
}
.error-404__title { text-transform: none; }
.error-404 .search-form { margin: 24px auto 28px; justify-content: center; }

/* ---------- 产品详情 / 归档 ---------- */
.product-single { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; padding-top: 52px; padding-bottom: 36px; align-items: start; }
.product-single__media {
	position: relative; border: 3px solid var(--c-ink); overflow: hidden;
	aspect-ratio: 4 / 3;
	background:
		repeating-linear-gradient(-45deg, rgba(0, 0, 0, .05) 0 10px, transparent 10px 20px),
		var(--c-concrete-2);
	box-shadow: var(--shadow-hard-lg);
}
.product-single__media img { width: 100%; height: 100%; object-fit: cover; }
.product-single__ph { position: absolute; inset: 0; display: grid; place-items: center; color: var(--c-ink); }
.product-single__summary {
	background: var(--c-yellow); border: 2.5px solid var(--c-ink);
	padding: 15px 19px; margin-bottom: 22px;
	font-size: 14.5px; color: var(--c-ink); font-weight: 600;
}
.product-single__summary p { margin: 0; }
.product-single__cta { margin-top: 30px; padding: 24px 26px; background: var(--c-ink); color: rgba(255, 255, 255, .72); }
.product-single__cta h3 { color: #fff; font-size: 18px; margin-bottom: 5px; text-transform: none; }
.product-single__cta p { font-size: 13.5px; margin-bottom: 15px; }
.product-single__cta-actions { display: flex; gap: 11px; flex-wrap: wrap; }
.related-title { font-size: 24px; margin-bottom: 24px; text-transform: uppercase; }
.archive-cta {
	margin-top: 60px; text-align: center;
	background: var(--c-ink); color: rgba(255, 255, 255, .72);
	padding: 46px 32px;
}
.archive-cta h2 { color: #fff; font-size: 24px; text-transform: none; }
.archive-cta p { margin-bottom: 20px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--c-ink); color: rgba(255, 255, 255, .62); border-top: 14px solid transparent; border-image: var(--tape) 14; }
.site-footer__grid {
	display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 42px;
	padding-top: 58px; padding-bottom: 44px;
}
.site-footer__logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 900; color: #fff; margin-bottom: 13px; }
.site-footer__logo .py-icon { color: var(--c-yellow); }
.site-footer__about { font-size: 13.5px; line-height: 1.8; }
.site-footer__phone { display: flex; align-items: center; gap: 9px; font-size: 21px; font-weight: 900; color: var(--c-yellow); margin-top: 16px; }
.site-footer__title { color: #fff; font-size: 15px; margin-bottom: 16px; text-transform: uppercase; letter-spacing: .05em; }
.site-footer__menu { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.site-footer__menu a { color: rgba(255, 255, 255, .62); font-size: 13.5px; }
.site-footer__menu a:hover { color: var(--c-yellow); }
.site-footer__contact { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; font-size: 13.5px; }
.site-footer__contact li { display: flex; gap: 8px; align-items: flex-start; }
.site-footer__contact .py-icon { color: var(--c-yellow); margin-top: 4px; }
.site-footer__bottom { border-top: 2px solid rgba(255, 255, 255, .15); }
.site-footer__bottom-inner {
	display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
	padding-top: 18px; padding-bottom: 18px; font-size: 12.5px;
}
.site-footer__bottom p { margin: 0; }

/* ---------- 返回顶部 ---------- */
.back-to-top {
	position: fixed; right: 24px; bottom: 24px; z-index: 90;
	width: 46px; height: 46px; border: 2.5px solid var(--c-ink);
	display: grid; place-items: center; cursor: pointer;
	background: var(--c-yellow); color: var(--c-ink);
	box-shadow: var(--shadow-hard);
	opacity: 0; visibility: hidden; transform: translateY(12px);
	transition: all .2s ease;
}
.back-to-top .py-icon { transform: rotate(-90deg); }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	.reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
	.hero__row { grid-template-columns: 1fr; gap: 26px; }
	.hero__cta { justify-content: flex-start; }
	.mode-grid, .product-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
	.output-grid { grid-template-columns: repeat(2, 1fr); }
	.contact { grid-template-columns: 1fr; gap: 40px; }
	.site-footer__grid { grid-template-columns: 1fr 1fr; }
	.product-single { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
	.nav-toggle { display: flex; }
	.site-header__actions .btn { display: none; }
	.site-nav {
		position: fixed; top: 0; right: 0; bottom: 0; z-index: 200;
		width: min(320px, 84vw);
		background: var(--c-concrete); border-left: 3px solid var(--c-ink);
		padding: 84px 26px 26px;
		transform: translateX(100%); transition: transform .3s ease;
		overflow-y: auto;
	}
	.site-nav.is-open { transform: translateX(0); box-shadow: -12px 0 0 var(--c-ink); }
	.site-nav__list { flex-direction: column; gap: 6px; }
	.site-nav__list a { padding: 12px 14px; font-size: 16px; }
	.site-nav__list .sub-menu {
		position: static; opacity: 1; visibility: visible; transform: none;
		box-shadow: none; border: 0; padding: 0 0 0 18px; margin: 0; background: transparent;
	}
	.nav-toggle { position: relative; z-index: 210; }
	body.nav-open { overflow: hidden; }
	.hero__board { grid-template-columns: 1fr 1fr; }
	.hero__board li:nth-child(3) { border-left: 0; }
	.hero__board li:nth-child(n+3) { border-top: 3px solid var(--c-ink); }
	.case-row { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
	.section { padding: 60px 0; }
	.mode-grid, .product-grid, .news-grid, .output-grid { grid-template-columns: 1fr; }
	.hero__board { grid-template-columns: 1fr; }
	.hero__board li { border-left: 0; border-top: 3px solid var(--c-ink); }
	.hero__board li:first-child { border-top: 0; }
	.post-card { grid-template-columns: 1fr; }
	.post-card__thumb { border-right: 0; border-bottom: 3px solid var(--c-ink); aspect-ratio: 16 / 9; overflow: hidden; }
	.site-footer__grid { grid-template-columns: 1fr; gap: 30px; }
	.contact__form-wrap { padding: 24px 20px; }
}

/* 优化 · 全局尊重系统"减少动态效果"（覆盖装饰性 keyframes 动画） */
@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}}

/* ==========================================================================
   美化优化 v1.1 · 2026-07 — 混凝土粗野主义精修(只做硬派动作)
   ========================================================================== */
/* 通用 UX */
html { scroll-padding-top: 88px; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }

/* 按钮:硬按压(往投影方向压实) */
.btn:active { transform: translate(2px, 2px); }

/* 警示胶带:缓慢滚动(工地封条在动) */
@keyframes py-tape { to { background-position: 62.3px 0; } }
.hero__tape, .tape { animation: py-tape 4.5s linear infinite; }

/* 标题高亮块:悬停压深硬影 */
.hero__title mark { transition: box-shadow .15s ease, transform .15s ease; }
.hero__title:hover mark { box-shadow: 8px 8px 0 var(--c-ink); transform: translate(-2px, -2px); }

/* 数据板:格子悬停填黄 */
.hero__board li { transition: background .2s ease; }
.hero__board li:hover { background: var(--c-yellow); }
.hero__board li:hover strong { color: var(--c-ink); }

/* 导航:当前项深黄 */
.site-nav__list > li.current-menu-item > a { color: var(--c-yellow-deep); }

/* 买/租/建:标签反转 */
.mode-card__tag { transition: background .2s ease, color .2s ease; }
.mode-card:hover .mode-card__tag { background: var(--c-yellow); color: var(--c-ink); }
.mode-card--hot:hover .mode-card__tag { background: var(--c-card); color: var(--c-ink); }

/* 设备卡:图区硬缩放(无缓入曲线,干脆) */
.product-card__media img, .product-card__ph { transition: transform .18s ease-out; }
.product-card:hover .product-card__media img,
.product-card:hover .product-card__ph { transform: scale(1.04); }

/* 表单:聚焦黄块硬影 */
.contact-form input:focus, .contact-form textarea:focus { box-shadow: 4px 4px 0 var(--c-yellow); }

/* 页脚:链接硬跳 + 黄显 */
.site-footer__menu a { transition: color .15s ease, padding-left .15s ease; }
.site-footer__menu a:hover { color: var(--c-yellow); padding-left: 8px; }

/* 减动效 */
@media (prefers-reduced-motion: reduce) {
	.hero__tape, .tape { animation: none; }
}