/* ==========================================================================
   触媒新材 ChuMei Catalyst — 主样式
   暖灰底 · 香槟金 × 深松石绿 · 蜂窝六边形母题
   ========================================================================== */

:root {
	--c-gold: #b8893f;
	--c-gold-bright: #d0a458;
	--c-jade: #0f5c52;
	--c-jade-bright: #157468;
	--c-ink: #2b2a26;
	--c-text: #6c675d;
	--c-line: #e3ded2;
	--c-bg: #f4f1e9;
	--c-warm: #ece7db;
	--c-card: #fbfaf5;
	--radius: 14px;
	--radius-sm: 9px;
	--shadow: 0 12px 30px rgba(43, 42, 38, 0.09);
	--shadow-lg: 0 26px 60px rgba(43, 42, 38, 0.15);
	--font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
	--serif: "Songti SC", "Noto Serif SC", "STSong", serif;
	--hexclip: polygon(25% 5%, 75% 5%, 100% 50%, 75% 95%, 25% 95%, 0 50%);
}

/* ---------- 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: 1.8;
	color: var(--c-text);
	background: var(--c-bg);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-jade); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-gold); }
h1, h2, h3, h4 { color: var(--c-ink); line-height: 1.3; margin: 0 0 .5em; font-weight: 700; }
h1, h2 { font-family: var(--serif); }
p { margin: 0 0 1em; }
::selection { background: var(--c-gold); color: #fff; }

.container { max-width: 1160px; 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-jade); color: #fff;
	padding: 10px 18px; border-radius: var(--radius-sm);
}
:focus-visible { outline: 2px solid var(--c-gold); outline-offset: 2px; }

/* ---------- 按钮 ---------- */
.btn {
	display: inline-flex; align-items: center; gap: 8px;
	padding: 12px 28px;
	border-radius: var(--radius-sm);
	border: 1.5px solid transparent;
	font-size: 15px; font-weight: 600;
	cursor: pointer; white-space: nowrap;
	transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--gold { background: linear-gradient(120deg, var(--c-gold), var(--c-gold-bright)); color: #fff; box-shadow: 0 8px 22px rgba(184, 137, 63, .3); }
.btn--gold:hover { color: #fff; box-shadow: 0 12px 28px rgba(184, 137, 63, .42); }
.btn--jade { background: transparent; color: var(--c-jade); border-color: var(--c-jade); }
.btn--jade:hover { background: var(--c-jade); color: #fff; }
.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--lg { padding: 14px 32px; font-size: 16px; }
.btn--block { width: 100%; justify-content: center; }
.cm-icon { flex-shrink: 0; }

/* ---------- 页头 ---------- */
.site-header {
	position: sticky; top: 0; z-index: 100;
	background: rgba(244, 241, 233, .92);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--c-line);
}
.site-header.is-scrolled { box-shadow: var(--shadow); }
.site-header__inner { display: flex; align-items: center; gap: 28px; min-height: 76px; }
.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: #fff;
	background: linear-gradient(135deg, var(--c-jade), var(--c-gold));
	clip-path: var(--hexclip);
}
.site-brand__name { display: block; font-family: var(--serif); font-size: 21px; font-weight: 700; color: var(--c-ink); }
.site-brand__slogan { display: block; font-size: 12px; color: var(--c-text); letter-spacing: .05em; }
.custom-logo { max-height: 50px; width: auto; }

.site-nav__list { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
.site-nav__list li { position: relative; }
.site-nav__list a {
	display: block; padding: 9px 15px;
	color: var(--c-ink); font-weight: 500; font-size: 14.5px;
	border-radius: var(--radius-sm);
}
.site-nav__list a:hover { color: var(--c-gold); background: var(--c-card); }
.site-nav__list .sub-menu {
	position: absolute; top: 100%; left: 0; min-width: 190px;
	list-style: none; margin: 8px 0 0; padding: 10px;
	background: var(--c-card); 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: 14px; }
.nav-toggle {
	display: none; flex-direction: column; justify-content: center; gap: 5px;
	width: 44px; height: 44px; padding: 10px;
	background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius-sm); 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 { position: relative; overflow: hidden; }
.hero__hexfield { position: absolute; inset: 0; pointer-events: none; }
.hero__hexfield .hx {
	position: absolute; display: block;
	background: rgba(184, 137, 63, .07);
	clip-path: var(--hexclip);
}
.hx--1 { width: 180px; height: 200px; right: 6%; top: 8%; }
.hx--2 { width: 120px; height: 132px; right: 22%; top: 40%; background: rgba(15, 92, 82, .06); }
.hx--3 { width: 90px; height: 100px; right: 2%; bottom: 12%; }
.hx--4 { width: 60px; height: 68px; left: 46%; top: 18%; background: rgba(15, 92, 82, .05); }
.hx--5 { width: 140px; height: 156px; left: -3%; bottom: 4%; }
.hero__inner {
	position: relative; z-index: 1;
	display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
	padding-top: 84px; padding-bottom: 90px;
}
.hero__eyebrow {
	display: inline-flex; align-items: center; gap: 8px;
	font-size: 13.5px; font-weight: 600;
	color: var(--c-jade);
	background: var(--c-card);
	border: 1px solid var(--c-line);
	padding: 7px 16px; border-radius: 999px;
}
.hero__eyebrow .cm-icon { color: var(--c-gold); }
.hero__title { font-size: clamp(36px, 4.8vw, 58px); margin: 22px 0 16px; }
.hero__title em { font-style: normal; color: var(--c-gold); }
.hero__desc { font-size: 16.5px; 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: 14px 40px; margin: 0; padding: 0; }
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong { font-size: 30px; font-weight: 800; color: var(--c-jade); font-variant-numeric: tabular-nums; }
.hero__stats span { font-size: 12.5px; }

/* 蜂窝拼块 */
.honeycomb { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 400px; margin-left: auto; }
.honeycomb__block {
	aspect-ratio: 1 / 1;
	background: var(--c-card); border: 1.5px solid var(--c-line);
	clip-path: var(--hexclip);
	display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
	color: var(--c-jade);
	transition: transform .25s ease;
}
.honeycomb__block:hover { transform: translateY(-5px); }
.honeycomb__block span { font-size: 13.5px; font-weight: 600; color: var(--c-ink); }
.honeycomb__block--gold { background: linear-gradient(150deg, var(--c-gold), var(--c-gold-bright)); border-color: transparent; color: #fff; }
.honeycomb__block--gold span { color: #fff; }
.honeycomb__block--jade { background: linear-gradient(150deg, var(--c-jade), var(--c-jade-bright)); border-color: transparent; color: #fff; }
.honeycomb__block--jade span { color: #fff; }
.honeycomb__block--dark { background: var(--c-ink); border-color: transparent; color: var(--c-gold-bright); }
.honeycomb__block--dark span { color: #fff; }

/* ---------- 通用版块 ---------- */
.section { padding: 88px 0; }
.section--pad { padding: 60px 0 88px; }
.section--warm { background: var(--c-warm); }
.section-head { max-width: 660px; margin: 0 auto 50px; text-align: center; }
.section-head__eyebrow { font-size: 12.5px; font-weight: 700; letter-spacing: .28em; color: var(--c-gold); margin-bottom: 11px; }
.section-head__title { font-size: clamp(26px, 3.2vw, 40px); margin-bottom: 14px; }
.section-head__desc { margin: 0; }
.section-foot { text-align: center; margin: 46px 0 0; }

/* ---------- 材料矩阵 ---------- */
.matrix { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.matrix__cell {
	background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius);
	padding: 28px 24px 24px;
	transition: transform .25s ease, box-shadow .25s ease;
}
.matrix__cell:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.matrix__tag {
	display: inline-block;
	font-size: 12px; font-weight: 700; letter-spacing: .08em;
	color: #fff; padding: 4px 13px; border-radius: 999px; margin-bottom: 14px;
}
.matrix__tag--gold { background: var(--c-gold); }
.matrix__tag--jade { background: var(--c-jade); }
.matrix__tag--dark { background: var(--c-ink); }
.matrix__cell h3 { font-family: var(--font); font-size: 17px; margin-bottom: 7px; }
.matrix__cell 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: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius);
	overflow: hidden; display: flex; flex-direction: column;
	transition: transform .25s ease, box-shadow .25s ease;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.product-card__media {
	position: relative; display: block; aspect-ratio: 16 / 10;
	background:
		radial-gradient(180px 130px at 76% 26%, rgba(184, 137, 63, .18), transparent 60%),
		linear-gradient(160deg, #efe9db, #f6f2e8);
	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-gold); }
.product-card__spec {
	position: absolute; left: 12px; bottom: 12px;
	font-size: 12px; font-weight: 600; color: var(--c-jade);
	background: var(--c-card); border: 1px solid var(--c-line);
	padding: 4px 12px; border-radius: 999px;
}
.product-card__body { padding: 20px 24px 22px; display: flex; flex-direction: column; flex: 1; }
.product-card__title { font-family: var(--font); font-size: 16.5px; margin-bottom: 7px; }
.product-card__title a { color: var(--c-ink); }
.product-card__title a:hover { color: var(--c-gold); }
.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: 600; transition: gap .2s ease; }
.product-card__more:hover { gap: 10px; }

/* ---------- 检测再生 ---------- */
.regen { display: grid; grid-template-columns: 1.02fr .98fr; gap: 56px; align-items: center; }
.regen__copy .section-head__eyebrow, .regen__copy .section-head__title { text-align: left; }
.regen__steps { list-style: none; margin: 24px 0 30px; padding: 0; display: grid; gap: 18px; }
.regen__steps li { display: flex; gap: 15px; }
.regen__steps span {
	flex-shrink: 0; display: grid; place-items: center;
	width: 42px; height: 42px;
	clip-path: var(--hexclip);
	background: var(--c-jade); color: #fff;
	font-size: 15px; font-weight: 800; font-family: var(--serif);
}
.regen__steps h3 { font-family: var(--font); font-size: 16px; margin-bottom: 2px; }
.regen__steps p { font-size: 13.5px; margin: 0; }

.regen__panel {
	background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius);
	padding: 30px 32px;
	box-shadow: var(--shadow);
}
.regen__title { display: flex; align-items: center; gap: 9px; font-size: 14.5px; font-weight: 700; color: var(--c-ink); margin-bottom: 20px; }
.regen__title .cm-icon { color: var(--c-gold); }
.regen__bars { display: grid; gap: 20px; }
.regen__bar > span { display: block; font-size: 13.5px; font-weight: 600; color: var(--c-ink); margin-bottom: 8px; }
.regen__track { display: block; height: 30px; border-radius: 999px; background: var(--c-warm); overflow: hidden; margin-bottom: 8px; position: relative; }
.regen__track b {
	display: flex; align-items: center; justify-content: flex-end;
	height: 100%; width: var(--w, 50%);
	border-radius: 999px; padding-right: 14px;
	font-size: 12.5px; font-weight: 700; color: #fff; white-space: nowrap;
	animation: cm-grow 1.3s ease both;
}
.regen__track b.is-bad { background: linear-gradient(90deg, #a8703a, #c08a4e); }
.regen__track b.is-good { background: linear-gradient(90deg, var(--c-jade), var(--c-jade-bright)); }
@keyframes cm-grow { from { width: 0; } }
.regen__note { font-size: 12.5px; color: #9c9585; margin: 14px 0 0; }

/* ---------- 合作客户 ---------- */
.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.partner-card {
	background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius);
	padding: 26px 26px 22px;
	transition: transform .25s ease, box-shadow .25s ease;
}
.partner-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.partner-card__icon {
	display: inline-grid; place-items: center;
	width: 50px; height: 50px;
	clip-path: var(--hexclip);
	color: #fff; background: linear-gradient(135deg, var(--c-jade), var(--c-gold));
	margin-bottom: 13px;
}
.partner-card h3 { font-family: var(--font); font-size: 16.5px; margin-bottom: 4px; }
.partner-card__tag { font-size: 12.5px; color: var(--c-gold); font-weight: 700; margin-bottom: 8px; }
.partner-card p:last-child { font-size: 13.5px; margin: 0; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card {
	background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius);
	padding: 26px 26px 22px;
	transition: transform .25s ease, box-shadow .25s ease;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-card__date { font-size: 13px; color: var(--c-gold); font-weight: 700; margin-bottom: 10px; }
.news-card h3 { font-family: var(--font); font-size: 16.5px; margin-bottom: 10px; }
.news-card h3 a { color: var(--c-ink); }
.news-card h3 a:hover { color: var(--c-gold); }
.news-card__desc { font-size: 13.5px; }
.news-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; }

/* ---------- 联系 ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.02fr; gap: 56px; 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 .cm-icon { color: var(--c-gold); }

.contact__form-wrap {
	background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius);
	padding: 34px; box-shadow: var(--shadow);
}
.contact-form h3 { font-family: var(--font); font-size: 19px; margin-bottom: 18px; }
.contact-form p { margin-bottom: 15px; }
.contact-form label { display: block; font-size: 13.5px; font-weight: 600; 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: 1.5px solid var(--c-line); border-radius: var(--radius-sm);
	font-family: inherit; font-size: 15px; color: var(--c-ink);
	background: var(--c-bg);
	transition: border-color .2s ease, background .2s ease;
}
.contact-form input:focus, .contact-form textarea:focus {
	outline: none; border-color: var(--c-gold); background: var(--c-card);
}
.contact-form__tip { font-size: 12.5px; color: #9c9585; text-align: center; margin: 11px 0 0; }
.hp-field { position: absolute !important; left: -9999px; }
.form-notice {
	background: rgba(15, 92, 82, .08); border: 1px solid rgba(15, 92, 82, .3); color: var(--c-jade);
	border-radius: var(--radius-sm); padding: 13px 17px; margin-bottom: 16px; font-size: 14.5px;
}

/* ---------- 内页头部 ---------- */
.page-hero {
	background: var(--c-warm);
	border-bottom: 1px solid var(--c-line);
	padding: 60px 0 52px;
}
.page-hero__title { font-family: var(--serif); font-size: clamp(27px, 3.4vw, 40px); margin: 0; }
.page-hero__sub { margin: 9px 0 0; }
.page-hero__meta { font-size: 13px; color: var(--c-gold); font-weight: 700; margin: 0 0 9px; }
.page-hero__meta a { color: var(--c-gold); }

/* ---------- 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: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius);
	overflow: hidden; transition: transform .25s ease, box-shadow .25s 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-size: 12.5px; color: var(--c-gold); font-weight: 700; margin-bottom: 7px; }
.post-card__meta a { color: inherit; }
.post-card__title { font-family: var(--font); font-size: 18px; margin-bottom: 7px; }
.post-card__title a { color: var(--c-ink); }
.post-card__title a:hover { color: var(--c-gold); }
.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: 600; }
.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: 42px; padding: 9px 14px;
	border: 1px solid var(--c-line); border-radius: var(--radius-sm);
	color: var(--c-ink); font-weight: 700; font-size: 14px; background: var(--c-card);
}
.nav-links .page-numbers.current,
.nav-links .page-numbers:hover { background: var(--c-jade); border-color: var(--c-jade); color: #fff; }

/* ---------- 文章内容 ---------- */
.entry-wrap { max-width: 860px; padding-top: 44px; padding-bottom: 88px; }
.entry__thumb { margin: 0 0 30px; border-radius: var(--radius); overflow: hidden; }
.entry__content { font-size: 16.5px; }
.entry__content h2 { font-size: 25px; margin-top: 1.6em; }
.entry__content h3 { font-size: 20px; margin-top: 1.4em; }
.entry__content img { border-radius: var(--radius-sm); }
.entry__content blockquote {
	margin: 1.5em 0; padding: 16px 24px;
	border-left: 4px solid var(--c-gold);
	background: var(--c-warm); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
	font-family: var(--serif);
}
.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: 10px 14px; text-align: left; }
.entry__content th { background: var(--c-warm); }
.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: 50%; }
.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: 1.5px solid var(--c-line); border-radius: var(--radius-sm);
	font-family: inherit; font-size: 14.5px; background: var(--c-bg);
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--c-gold); background: var(--c-card); }
.form-submit .submit {
	background: linear-gradient(120deg, var(--c-gold), var(--c-gold-bright));
	color: #fff; border: 0; border-radius: var(--radius-sm); padding: 11px 28px;
	font-size: 14.5px; font-weight: 600; cursor: pointer;
}

/* ---------- 搜索 / 404 ---------- */
.search-form { display: flex; gap: 9px; max-width: 460px; }
.search-form__input {
	flex: 1; padding: 11px 15px;
	border: 1.5px solid var(--c-line); border-radius: var(--radius-sm);
	font-family: inherit; font-size: 14.5px; background: var(--c-card);
}
.search-form__input:focus { outline: none; border-color: var(--c-gold); }
.error-404 { text-align: center; padding: 40px 0; }
.error-404__code {
	font-family: var(--serif);
	font-size: clamp(84px, 15vw, 150px); font-weight: 700; line-height: 1;
	color: var(--c-gold);
	margin: 0 0 8px;
}
.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: var(--radius); overflow: hidden;
	aspect-ratio: 4 / 3;
	background:
		radial-gradient(240px 190px at 72% 28%, rgba(184, 137, 63, .18), transparent 60%),
		linear-gradient(160deg, #efe9db, #f6f2e8);
}
.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-gold); }
.product-single__summary {
	background: var(--c-warm); border: 1px solid var(--c-line);
	border-left: 4px solid var(--c-gold);
	border-radius: var(--radius-sm); 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;
	border: 1.5px dashed var(--c-gold); border-radius: var(--radius);
	background: rgba(184, 137, 63, .05);
}
.product-single__cta h3 { font-family: var(--font); 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-family: var(--serif); font-size: 23px; margin-bottom: 24px; }
.archive-cta {
	margin-top: 60px; text-align: center;
	background: var(--c-card); border: 1px solid var(--c-line);
	border-radius: var(--radius); padding: 44px 30px;
}
.archive-cta h2 { font-size: 23px; }
.archive-cta p { margin-bottom: 18px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #24231f; color: rgba(244, 241, 233, .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-family: var(--serif); font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 13px; }
.site-footer__logo .cm-icon { color: var(--c-gold-bright); }
.site-footer__about { font-size: 13.5px; line-height: 1.85; }
.site-footer__phone { display: flex; align-items: center; gap: 9px; font-size: 20px; font-weight: 800; color: var(--c-gold-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(244, 241, 233, .66); font-size: 13.5px; }
.site-footer__menu a:hover { color: var(--c-gold-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 .cm-icon { color: var(--c-gold-bright); margin-top: 4px; }
.site-footer__bottom { border-top: 1px solid rgba(244, 241, 233, .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: 46px; height: 46px; border: 0;
	clip-path: var(--hexclip);
	display: grid; place-items: center; cursor: pointer;
	background: linear-gradient(135deg, var(--c-gold), var(--c-gold-bright)); color: #fff;
	opacity: 0; visibility: hidden; transform: translateY(12px);
	transition: all .25s ease;
}
.back-to-top .cm-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(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	.reveal { opacity: 1; transform: none; transition: none; }
	.regen__track b { animation: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
	.hero__inner { grid-template-columns: 1fr; }
	.honeycomb { margin: 0 auto; }
	.matrix { grid-template-columns: repeat(2, 1fr); }
	.product-grid, .partner-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
	.regen { grid-template-columns: 1fr; gap: 40px; }
	.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-bg); box-shadow: -18px 0 50px rgba(43, 42, 38, .2);
		padding: 80px 26px 26px;
		transform: translateX(100%); transition: transform .3s ease;
		overflow-y: auto;
	}
	.site-nav.is-open { transform: translateX(0); }
	.site-nav__list { flex-direction: column; gap: 4px; }
	.site-nav__list a { padding: 12px 15px; 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; }
}

@media (max-width: 620px) {
	.section { padding: 60px 0; }
	.matrix, .product-grid, .partner-grid, .news-grid { grid-template-columns: 1fr; }
	.honeycomb { grid-template-columns: 1fr 1fr; max-width: 300px; }
	.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; }
}

/* 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 — 香槟金蜂窝材料美学精修
   ========================================================================== */
/* 通用 UX */
html { scroll-padding-top: 86px; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
.btn:active { transform: translateY(1px); }

/* 金/玉按钮:渐变缓移 */
.btn--gold, .btn--jade { background-size: 170% 100%; transition: transform .2s ease, box-shadow .2s ease, background-position .45s ease, color .2s ease; }
.btn--gold:hover, .btn--jade:hover { background-position: 80% 0; }

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

/* 首屏六边装饰:错峰缓浮(材质悬停在空气中) */
@keyframes cm-hexfloat { 0%, 100% { translate: 0 0; } 50% { translate: 0 -12px; } }
.hero__hexfield .hx { animation: cm-hexfloat 11s ease-in-out infinite; }
.hx--2 { animation-delay: 2.2s; }
.hx--3 { animation-delay: 4.4s; }
.hx--4 { animation-delay: 6.6s; }
.hx--5 { animation-delay: 8.8s; }

/* 蜂窝拼块:彩块提亮、素块描金 */
.honeycomb__block { transition: transform .25s ease, filter .25s ease, border-color .25s ease; }
.honeycomb__block--gold:hover, .honeycomb__block--jade:hover, .honeycomb__block--dark:hover { filter: brightness(1.08); }
.honeycomb__block:not(.honeycomb__block--gold):not(.honeycomb__block--jade):not(.honeycomb__block--dark):hover { border-color: var(--c-gold); }

/* 标题金字:衬线微字距 */
.hero__title { letter-spacing: .015em; }
.hero__title em { transition: color .3s ease; }
.hero__title:hover em { color: var(--c-gold-bright); }

/* 材料矩阵:标签提亮 + 单元描金 */
.matrix__cell { transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.matrix__cell:hover { border-color: rgba(184, 137, 63, .45); }
.matrix__tag { transition: filter .25s ease, transform .25s ease; }
.matrix__cell:hover .matrix__tag { filter: brightness(1.1); transform: translateY(-2px); }

/* 产品卡:图区微缩放 + 规格丸填玉 */
.product-card__media img, .product-card__ph { transition: transform .45s ease; }
.product-card:hover .product-card__media img,
.product-card:hover .product-card__ph { transform: scale(1.05); }
.product-card__spec { transition: background .25s ease, color .25s ease, border-color .25s ease; }
.product-card:hover .product-card__spec { background: var(--c-jade); color: #fff; border-color: var(--c-jade); }

/* 检测再生:六边步骤章轻转 + 优等条光泽 */
.regen__steps span { transition: transform .3s ease, filter .3s ease; }
.regen__steps li:hover span { transform: rotate(-6deg) scale(1.08); filter: brightness(1.1); }
.regen__track b.is-good { position: relative; overflow: hidden; }
.regen__track b.is-good::after {
	content: ""; position: absolute; top: 0; bottom: 0; left: -60%;
	width: 40%; transform: skewX(-20deg);
	background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .28), transparent);
	animation: cm-sheen 4.6s ease-in-out 1.5s infinite;
}
@keyframes cm-sheen { 0%, 60% { left: -60%; } 100% { left: 130%; } }

/* 表单:聚焦金环 */
.contact-form input:focus, .contact-form textarea:focus { box-shadow: 0 0 0 4px rgba(184, 137, 63, .14); }

/* 页脚:顶部金玉发丝线 + 链接滑入 */
.site-footer { position: relative; }
.site-footer::before {
	content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; opacity: .75;
	background: linear-gradient(90deg, transparent, var(--c-gold) 32%, var(--c-jade) 68%, 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) {
	.hero__hexfield .hx, .regen__track b.is-good::after { animation: none; }
}