/* ==========================================================================
   雾尽科技 WuJin Mist — 主样式
   银灰拉丝金属 · 墨青点缀 · 铭牌与公差细节
   ========================================================================== */

:root {
	--c-metal: #eceef0;
	--c-metal-2: #e2e5e8;
	--c-ink: #2f3640;
	--c-text: #63707d;
	--c-line: #cfd6dc;
	--c-teal: #0e7490;
	--c-teal-bright: #06b6d4;
	--radius: 8px;
	--brush: repeating-linear-gradient(0deg, rgba(255, 255, 255, .45) 0 1px, transparent 1px 3px);
	--shadow: 0 10px 26px rgba(47, 54, 64, 0.12);
	--shadow-lg: 0 22px 52px rgba(47, 54, 64, 0.18);
	--font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
	--mono: "SF Mono", "Menlo", "Consolas", monospace;
}

/* ---------- 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: 15.5px;
	line-height: 1.72;
	color: var(--c-text);
	background-color: var(--c-metal);
	background-image: var(--brush);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-teal); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-teal-bright); }
h1, h2, h3, h4 { color: var(--c-ink); line-height: 1.26; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1em; }
::selection { background: var(--c-teal); color: #fff; }

.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-ink); color: #fff;
	padding: 10px 18px; border-radius: var(--radius);
}
:focus-visible { outline: 2px solid var(--c-teal); outline-offset: 2px; }

/* ---------- 按钮 ---------- */
.btn {
	display: inline-flex; align-items: center; gap: 8px;
	padding: 11px 26px;
	border-radius: var(--radius);
	border: 1px solid transparent;
	font-size: 14.5px; font-weight: 700;
	cursor: pointer; white-space: nowrap;
	transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25), 0 2px 5px rgba(47, 54, 64, .15);
}
.btn:hover { transform: translateY(-2px); }
.btn--teal { background: linear-gradient(180deg, #11829f, var(--c-teal)); color: #fff; }
.btn--teal:hover { color: #fff; box-shadow: 0 10px 22px rgba(14, 116, 144, .35); }
.btn--steel { background: linear-gradient(180deg, #fdfdfe, #e8ebee); color: var(--c-ink); border-color: var(--c-line); }
.btn--steel:hover { color: var(--c-teal); }
.btn--sm { padding: 8px 18px; font-size: 13.5px; }
.btn--lg { padding: 13px 30px; font-size: 15.5px; }
.btn--block { width: 100%; justify-content: center; }
.wj-icon { flex-shrink: 0; }

/* ---------- 页头 ---------- */
.site-header {
	position: sticky; top: 0; z-index: 100;
	background: rgba(236, 238, 240, .92);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--c-line);
	box-shadow: 0 1px 0 rgba(255, 255, 255, .6) inset;
}
.site-header.is-scrolled { box-shadow: var(--shadow); }
.site-header__inner { display: flex; align-items: center; gap: 26px; min-height: 70px; }
.site-brand { margin-right: auto; }
.site-brand__link { display: flex; align-items: center; gap: 11px; }
.site-brand__mark {
	width: 42px; height: 42px; border-radius: var(--radius);
	display: grid; place-items: center; color: #fff;
	background: linear-gradient(180deg, #3b4450, var(--c-ink));
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2), 0 3px 8px rgba(47, 54, 64, .3);
}
.site-brand__name { display: block; font-size: 19px; font-weight: 800; color: var(--c-ink); }
.site-brand__slogan { display: block; font-size: 11.5px; color: var(--c-text); letter-spacing: .1em; }
.custom-logo { max-height: 46px; 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: 8px 13px;
	color: var(--c-ink); font-weight: 600; font-size: 14px;
	border-radius: 6px;
}
.site-nav__list a:hover { color: var(--c-teal); background: #fff; }
.site-nav__list .sub-menu {
	position: absolute; top: 100%; left: 0; min-width: 185px;
	list-style: none; margin: 6px 0 0; padding: 7px;
	background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
	box-shadow: var(--shadow-lg);
	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: 12px; }
.nav-toggle {
	display: none; flex-direction: column; justify-content: center; gap: 5px;
	width: 42px; height: 42px; padding: 10px;
	background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--c-ink); border-radius: 2px; transition: transform .25s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首屏 ---------- */
.hero { border-bottom: 1px solid var(--c-line); }
.hero__inner {
	display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
	padding-top: 76px; padding-bottom: 84px;
}
.hero__eyebrow {
	display: inline-block;
	font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .22em;
	color: var(--c-teal);
	background: #fff; border: 1px solid var(--c-line);
	padding: 6px 14px; border-radius: 5px;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
}
.hero__title { font-size: clamp(32px, 4.2vw, 50px); font-weight: 800; margin: 22px 0 16px; }
.hero__title em { font-style: normal; color: var(--c-teal); }
.hero__desc { font-size: 16px; max-width: 31em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 32px; }
.hero__stats { list-style: none; display: flex; flex-wrap: wrap; gap: 12px 36px; margin: 0; padding: 0; }
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong { font-family: var(--mono); font-size: 26px; font-weight: 700; color: var(--c-ink); }
.hero__stats span { font-size: 12.5px; }

/* 铭牌卡 */
.plate {
	position: relative;
	background: linear-gradient(180deg, #f7f8f9, #e6e9ec);
	border: 1px solid #b9c1c8; border-radius: 10px;
	padding: 30px 34px 26px;
	box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, .9);
}
.plate__rivets i {
	position: absolute; width: 11px; height: 11px; border-radius: 50%;
	background: radial-gradient(circle at 35% 30%, #fdfdfd, #9aa4ad);
	box-shadow: inset 0 -1px 2px rgba(47, 54, 64, .4);
}
.plate__rivets i:nth-child(1) { left: 12px; top: 12px; }
.plate__rivets i:nth-child(2) { right: 12px; top: 12px; }
.plate__rivets i:nth-child(3) { left: 12px; bottom: 12px; }
.plate__rivets i:nth-child(4) { right: 12px; bottom: 12px; }
.plate__brand { font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .22em; color: var(--c-text); margin: 0 0 16px; text-align: center; }
.plate__table { width: 100%; border-collapse: collapse; margin-bottom: 18px; }
.plate__table th, .plate__table td {
	border: 1px solid var(--c-line);
	padding: 9px 14px; font-size: 13.5px; text-align: left;
}
.plate__table th { color: var(--c-text); font-weight: 600; width: 34%; background: rgba(255, 255, 255, .5); letter-spacing: .1em; }
.plate__table td { font-family: var(--mono); color: var(--c-ink); font-weight: 700; }
.plate__chips { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.plate__chip {
	font-family: var(--mono); font-size: 12px; font-weight: 700;
	padding: 6px 13px; border-radius: 5px;
}
.plate__chip--bad { color: #b45309; background: rgba(245, 158, 11, .13); border: 1px solid rgba(245, 158, 11, .4); }
.plate__chip--ok { color: var(--c-teal); background: rgba(14, 116, 144, .1); border: 1px solid rgba(14, 116, 144, .4); }

/* ---------- 通用版块 ---------- */
.section { padding: 84px 0; }
.section--pad { padding: 60px 0 84px; }
.section--panel { background: var(--c-metal-2); border-top: 1px solid var(--c-line); border-bottom: 1px solid #fff; }
.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head__eyebrow { font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .3em; color: var(--c-teal); margin-bottom: 10px; }
.section-head__title { font-size: clamp(25px, 3vw, 36px); margin-bottom: 13px; }
.section-head__desc { margin: 0; }
.section-foot { text-align: center; margin: 42px 0 0; }

/* ---------- 三笔账 ---------- */
.cost-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cost-card {
	background: #fff; border: 1px solid var(--c-line); border-radius: 10px;
	border-top: 3px solid var(--c-teal);
	padding: 28px 26px 22px;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
	transition: transform .22s ease, box-shadow .22s ease;
}
.cost-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.cost-card__icon {
	display: inline-grid; place-items: center;
	width: 52px; height: 52px; border-radius: var(--radius);
	color: var(--c-teal);
	background: rgba(14, 116, 144, .09);
	margin-bottom: 14px;
}
.cost-card h3 { font-size: 17.5px; margin-bottom: 6px; }
.cost-card p { font-size: 13.5px; margin: 0; }

/* ---------- 产品卡片 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card {
	background: #fff; border: 1px solid var(--c-line); border-radius: 10px;
	overflow: hidden; display: flex; flex-direction: column;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
	transition: transform .22s ease, box-shadow .22s ease;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.product-card__media {
	position: relative; display: block; aspect-ratio: 16 / 10;
	background:
		repeating-linear-gradient(0deg, rgba(255, 255, 255, .35) 0 1px, transparent 1px 4px),
		linear-gradient(180deg, #d6dbdf, #c3cad0);
	border-bottom: 1px solid var(--c-line);
	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: 12px; bottom: 12px;
	font-family: var(--mono); font-size: 11px; font-weight: 700;
	color: var(--c-ink); background: rgba(255, 255, 255, .9);
	border: 1px solid var(--c-line);
	padding: 4px 10px; border-radius: 5px;
}
.product-card__body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.product-card__title { font-size: 16.5px; margin-bottom: 7px; }
.product-card__title a { color: var(--c-ink); }
.product-card__title a:hover { color: var(--c-teal); }
.product-card__desc { font-size: 13.5px; flex: 1; margin-bottom: 13px; }
.product-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 700; transition: gap .2s ease; }
.product-card__more:hover { gap: 10px; }

/* ---------- 场景 ---------- */
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.scene-card {
	background: #fff; border: 1px solid var(--c-line); border-radius: 10px;
	padding: 24px 24px 20px;
	transition: transform .22s ease, box-shadow .22s ease;
}
.scene-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.scene-card__icon {
	display: inline-grid; place-items: center;
	width: 46px; height: 46px; border-radius: var(--radius);
	color: #fff;
	background: linear-gradient(180deg, #3b4450, var(--c-ink));
	margin-bottom: 12px;
}
.scene-card h3 { font-size: 16.5px; margin-bottom: 5px; }
.scene-card p { font-size: 13.5px; margin: 0; }

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card {
	background: #fff; border: 1px solid var(--c-line); border-radius: 10px;
	padding: 24px 26px;
	transition: transform .22s ease, box-shadow .22s ease;
}
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.case-card__tag {
	display: inline-block;
	font-family: var(--mono); font-size: 11.5px; font-weight: 700; letter-spacing: .12em;
	color: var(--c-teal); border: 1px solid rgba(14, 116, 144, .4);
	padding: 3px 11px; border-radius: 5px; margin-bottom: 13px;
}
.case-card h3 { font-size: 17px; margin-bottom: 6px; }
.case-card__meta { font-size: 12.5px; color: var(--c-teal); font-weight: 700; margin-bottom: 9px; }
.case-card__desc { font-size: 13.5px; margin: 0; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card {
	background: #fff; border: 1px solid var(--c-line); border-radius: 10px;
	padding: 24px 26px 20px;
	transition: transform .22s ease, box-shadow .22s ease;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-card__date { font-family: var(--mono); font-size: 12px; color: var(--c-teal); font-weight: 700; margin-bottom: 9px; }
.news-card h3 { font-size: 16px; margin-bottom: 9px; }
.news-card h3 a { color: var(--c-ink); }
.news-card h3 a:hover { color: var(--c-teal); }
.news-card__desc { font-size: 13.5px; }
.news-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; }

/* ---------- 联系 ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.02fr; gap: 52px; align-items: center; }
.contact__copy .section-head__eyebrow, .contact__copy .section-head__title { text-align: left; }
.contact__list { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 15px; }
.contact__list li { display: flex; align-items: center; gap: 11px; font-size: 14.5px; color: var(--c-ink); }
.contact__list .wj-icon { color: var(--c-teal); }

.contact__form-wrap {
	background: linear-gradient(180deg, #f7f8f9, #eceef0);
	border: 1px solid var(--c-line); border-radius: 10px;
	padding: 32px; box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, .9);
}
.contact-form h3 { font-size: 19px; margin-bottom: 18px; }
.contact-form p { margin-bottom: 15px; }
.contact-form label { display: block; font-size: 13px; font-weight: 700; color: var(--c-ink); margin-bottom: 6px; letter-spacing: .04em; }
.contact-form input[type="text"],
.contact-form input[type="tel"],
.contact-form textarea {
	width: 100%; padding: 11px 14px;
	border: 1px solid var(--c-line); border-radius: var(--radius);
	font-family: inherit; font-size: 14.5px; color: var(--c-ink);
	background: #fff;
	box-shadow: inset 0 2px 3px rgba(47, 54, 64, .06);
	transition: border-color .2s ease, box-shadow .2s ease;
}
.contact-form input:focus, .contact-form textarea:focus {
	outline: none; border-color: var(--c-teal);
	box-shadow: 0 0 0 3px rgba(14, 116, 144, .13);
}
.contact-form__tip { font-size: 12px; color: #8b98a4; text-align: center; margin: 11px 0 0; }
.hp-field { position: absolute !important; left: -9999px; }
.form-notice {
	background: rgba(14, 116, 144, .08); border: 1px solid rgba(14, 116, 144, .35); color: var(--c-teal);
	border-radius: var(--radius); padding: 12px 16px; margin-bottom: 16px; font-size: 14px; font-weight: 600;
}

/* ---------- 内页头部 ---------- */
.page-hero {
	background: linear-gradient(180deg, #dde1e5, var(--c-metal));
	border-bottom: 1px solid var(--c-line);
	padding: 58px 0 50px;
}
.page-hero__title { font-size: clamp(27px, 3.4vw, 40px); font-weight: 800; margin: 0; }
.page-hero__sub { margin: 9px 0 0; }
.page-hero__meta { font-family: var(--mono); font-size: 12.5px; color: var(--c-teal); font-weight: 700; margin: 0 0 9px; }
.page-hero__meta a { color: var(--c-teal); }

/* ---------- 博客列表 ---------- */
.post-list { display: grid; gap: 20px; max-width: 860px; margin: 0 auto; }
.post-card {
	display: grid; grid-template-columns: 270px 1fr;
	background: #fff; border: 1px solid var(--c-line); border-radius: 10px;
	overflow: hidden; transition: transform .22s ease, box-shadow .22s ease;
}
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.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: 22px 26px; }
.post-card__meta { font-family: var(--mono); font-size: 12px; color: var(--c-teal); font-weight: 700; margin-bottom: 7px; }
.post-card__meta a { color: inherit; }
.post-card__title { font-size: 18px; margin-bottom: 7px; }
.post-card__title a { color: var(--c-ink); }
.post-card__title a:hover { color: var(--c-teal); }
.post-card__desc { font-size: 14px; margin-bottom: 11px; }
.post-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 700; }
.no-results { text-align: center; padding: 60px 0; }

.navigation.pagination { margin: 44px 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: 40px; padding: 8px 13px;
	border: 1px solid var(--c-line); border-radius: var(--radius);
	color: var(--c-ink); font-family: var(--mono); font-weight: 700; font-size: 13.5px; background: #fff;
}
.nav-links .page-numbers.current,
.nav-links .page-numbers:hover { background: var(--c-ink); border-color: var(--c-ink); color: #fff; }

/* ---------- 文章内容 ---------- */
.entry-wrap { max-width: 860px; padding-top: 44px; padding-bottom: 84px; }
.entry__thumb { margin: 0 0 30px; border: 1px solid var(--c-line); border-radius: 10px; overflow: hidden; }
.entry__content { font-size: 15.8px; }
.entry__content h2 { font-size: 24px; margin-top: 1.6em; }
.entry__content h3 { font-size: 19px; margin-top: 1.4em; }
.entry__content img { border-radius: var(--radius); }
.entry__content blockquote {
	margin: 1.5em 0; padding: 15px 22px;
	border-left: 3px solid var(--c-teal);
	background: #fff; border-radius: 0 var(--radius) var(--radius) 0;
}
.entry__content table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
.entry__content th, .entry__content td { border: 1px solid var(--c-line); padding: 9px 13px; text-align: left; }
.entry__content th { background: var(--c-metal-2); }
.entry__tags { margin-top: 26px; font-size: 13.5px; }
.page-links { margin: 22px 0; }

.post-nav {
	display: flex; justify-content: space-between; gap: 20px;
	margin: 42px 0; padding-top: 26px; border-top: 1px solid var(--c-line);
	font-size: 14px;
}
.post-nav__next { text-align: right; }

/* ---------- 评论 ---------- */
.comments-area { margin-top: 46px; }
.comments-title, .comment-reply-title { font-size: 20px; }
.comment-list { list-style: none; margin: 0 0 28px; padding: 0; }
.comment-list .comment { border-bottom: 1px solid var(--c-line); padding: 19px 0; }
.comment-list .children { list-style: none; padding-left: 38px; }
.comment-author { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--c-ink); }
.comment-author .avatar { border-radius: var(--radius); }
.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: 10px 13px;
	border: 1px solid var(--c-line); border-radius: var(--radius);
	font-family: inherit; font-size: 14.5px; background: #fff;
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--c-teal); }
.form-submit .submit {
	background: linear-gradient(180deg, #11829f, var(--c-teal));
	color: #fff; border: 0; border-radius: var(--radius); padding: 11px 28px;
	font-size: 14.5px; font-weight: 700; cursor: pointer;
}

/* ---------- 搜索 / 404 ---------- */
.search-form { display: flex; gap: 9px; max-width: 460px; }
.search-form__input {
	flex: 1; padding: 11px 15px;
	border: 1px solid var(--c-line); border-radius: var(--radius);
	font-family: inherit; font-size: 14.5px; background: #fff;
	box-shadow: inset 0 2px 3px rgba(47, 54, 64, .06);
}
.search-form__input:focus { outline: none; border-color: var(--c-teal); }
.error-404 { text-align: center; padding: 40px 0; }
.error-404__code {
	font-family: var(--mono);
	font-size: clamp(84px, 15vw, 150px); font-weight: 700; line-height: 1;
	color: var(--c-ink);
	text-shadow: 0 1px 0 #fff, 0 -1px 0 rgba(47, 54, 64, .35);
	margin: 0 0 10px;
}
.error-404 .search-form { margin: 22px auto 26px; 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: 1px solid var(--c-line); border-radius: 10px; overflow: hidden;
	aspect-ratio: 4 / 3;
	background:
		repeating-linear-gradient(0deg, rgba(255, 255, 255, .35) 0 1px, transparent 1px 4px),
		linear-gradient(180deg, #d6dbdf, #c3cad0);
	box-shadow: var(--shadow);
}
.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: #fff; border: 1px solid var(--c-line);
	border-left: 3px solid var(--c-teal);
	border-radius: var(--radius); padding: 15px 19px; margin-bottom: 22px;
	font-size: 14.5px; color: var(--c-ink);
}
.product-single__summary p { margin: 0; }
.product-single__cta {
	margin-top: 30px; padding: 24px 26px;
	background: #fff; border: 1px solid var(--c-line); border-radius: 10px;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
}
.product-single__cta h3 { font-size: 16.5px; margin-bottom: 5px; }
.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: 22px; margin-bottom: 24px; }
.archive-cta {
	margin-top: 60px; text-align: center;
	background: #fff; border: 1px solid var(--c-line); border-radius: 10px;
	padding: 44px 30px;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
}
.archive-cta h2 { font-size: 22px; }
.archive-cta p { margin-bottom: 18px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--c-ink); color: rgba(236, 238, 240, .66); }
.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: 18px; font-weight: 800; color: #fff; margin-bottom: 13px; }
.site-footer__logo .wj-icon { color: var(--c-teal-bright); }
.site-footer__about { font-size: 13.5px; line-height: 1.85; }
.site-footer__phone { display: flex; align-items: center; gap: 9px; font-family: var(--mono); font-size: 19px; font-weight: 700; color: var(--c-teal-bright); margin-top: 16px; }
.site-footer__title { color: #fff; font-size: 15px; margin-bottom: 16px; }
.site-footer__menu { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.site-footer__menu a { color: rgba(236, 238, 240, .66); font-size: 13.5px; }
.site-footer__menu a:hover { color: var(--c-teal-bright); }
.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 .wj-icon { color: var(--c-teal-bright); margin-top: 4px; }
.site-footer__bottom { border-top: 1px solid rgba(236, 238, 240, .14); }
.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: 44px; height: 44px; border: 1px solid var(--c-line); border-radius: var(--radius);
	display: grid; place-items: center; cursor: pointer;
	background: linear-gradient(180deg, #fdfdfe, #e8ebee);
	color: var(--c-ink);
	box-shadow: var(--shadow);
	opacity: 0; visibility: hidden; transform: translateY(12px);
	transition: all .25s ease;
}
.back-to-top .wj-icon { transform: rotate(-90deg); }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { color: var(--c-teal); }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s 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__inner { grid-template-columns: 1fr; }
	.product-grid, .scene-grid, .case-grid, .news-grid, .cost-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-metal); border-left: 1px solid var(--c-line);
		padding: 80px 26px 26px;
		transform: translateX(100%); transition: transform .3s ease;
		overflow-y: auto;
	}
	.site-nav.is-open { transform: translateX(0); box-shadow: -18px 0 50px rgba(47, 54, 64, .25); }
	.site-nav__list { flex-direction: column; gap: 4px; }
	.site-nav__list a { padding: 12px 14px; font-size: 15.5px; }
	.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; }
}

@media (max-width: 620px) {
	.section { padding: 60px 0; }
	.product-grid, .scene-grid, .case-grid, .news-grid, .cost-grid { grid-template-columns: 1fr; }
	.post-card { grid-template-columns: 1fr; }
	.post-card__thumb { aspect-ratio: 16 / 9; overflow: hidden; }
	.site-footer__grid { grid-template-columns: 1fr; gap: 30px; }
	.contact__form-wrap { padding: 24px 20px; }
	.plate { padding: 24px 20px 22px; }
}

/* 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 — 银灰拉丝精密工业风精修
   ========================================================================== */
/* 通用 UX */
html { scroll-padding-top: 84px; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
.btn:active { transform: translateY(1px); }

/* 青钢按钮:悬停微光 */
.btn--teal:hover { box-shadow: 0 10px 24px rgba(14, 116, 144, .28); }

/* 导航:当前项墨青 */
.site-nav__list > li.current-menu-item > a { color: var(--c-teal); }

/* 铭牌:悬停轻起 + 铆钉闪光 */
.plate { transition: transform .3s ease, box-shadow .3s ease; }
.plate:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, .95), 0 30px 60px rgba(47, 54, 64, .22); }
.plate__rivets i { transition: filter .3s ease; }
.plate:hover .plate__rivets i { filter: brightness(1.15); }
.plate__table td { transition: color .25s ease; }
.plate__table tr:hover td { color: var(--c-teal); }

/* 合格章:微脉动 */
@keyframes wj-okchip { 0%, 100% { border-color: rgba(14, 116, 144, .4); } 50% { border-color: rgba(6, 182, 212, .75); } }
.plate__chip--ok { animation: wj-okchip 3.8s ease-in-out infinite; }

/* 精密数字:悬停字距展开(机加工刻度感) */
.hero__stats strong { transition: letter-spacing .3s ease, color .3s ease; }
.hero__stats li:hover strong { letter-spacing: .06em; color: var(--c-teal); }

/* 三笔账:图标填色 + 顶线增粗感 */
.cost-card { transition: transform .22s ease, box-shadow .22s ease; }
.cost-card:hover { box-shadow: var(--shadow), inset 0 2px 0 var(--c-teal-bright); }
.cost-card__icon { transition: background .3s ease, color .3s ease; }
.cost-card:hover .cost-card__icon { background: var(--c-teal); color: #fff; }

/* 产品卡:图区微缩放 + 规格签抬升 */
.product-card__media img, .product-card__ph { transition: transform .4s ease; }
.product-card:hover .product-card__media img,
.product-card:hover .product-card__ph { transform: scale(1.04); }
.product-card__spec { transition: transform .25s ease, box-shadow .25s ease; }
.product-card:hover .product-card__spec { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(47, 54, 64, .15); }

/* 场景:墨块图标翻青 */
.scene-card__icon { transition: background .3s ease; }
.scene-card:hover .scene-card__icon { background: linear-gradient(180deg, var(--c-teal-bright), var(--c-teal)); }

/* 案例:编号签填色 */
.case-card__tag { transition: background .25s ease, color .25s ease; }
.case-card:hover .case-card__tag { background: var(--c-teal); color: #fff; }

/* 表单:聚焦青环 */
.contact-form input:focus, .contact-form textarea:focus { box-shadow: 0 0 0 3px rgba(6, 182, 212, .16); }

/* 页脚:顶部拉丝青发丝线 + 链接滑入 */
.site-footer { position: relative; }
.site-footer::before {
	content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; opacity: .7;
	background: linear-gradient(90deg, transparent, var(--c-teal) 40%, var(--c-teal-bright) 60%, transparent);
}
.site-footer__menu a { transition: color .2s ease, padding-left .2s ease; }
.site-footer__menu a:hover { padding-left: 6px; }

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