/* ==========================================================================
   循环再生 XunHuan Recycle — 主样式
   森林绿 + 米纸暖底 · 大圆角 · 环形循环元素
   ========================================================================== */

:root {
	--c-green: #166534;
	--c-green-deep: #14532d;
	--c-lime: #65a30d;
	--c-lime-bright: #84cc16;
	--c-ink: #1c2a20;
	--c-text: #5a6b5e;
	--c-line: #e2e0d4;
	--c-paper: #faf7f0;
	--c-card: #ffffff;
	--c-tint: #f1efe4;
	--radius: 24px;
	--radius-sm: 16px;
	--shadow: 0 12px 34px rgba(28, 42, 32, 0.09);
	--shadow-lg: 0 26px 64px rgba(28, 42, 32, 0.16);
	--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: 1.8;
	color: var(--c-text);
	background: var(--c-paper);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-green); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-lime); }
h1, h2, h3, h4 { color: var(--c-ink); line-height: 1.3; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1em; }
::selection { background: var(--c-lime); color: #fff; }

.container { max-width: 1180px; 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-green); color: #fff;
	padding: 10px 18px; border-radius: 999px;
}
:focus-visible { outline: 2px solid var(--c-lime); outline-offset: 2px; }

/* ---------- 按钮 ---------- */
.btn {
	display: inline-flex; align-items: center; gap: 8px;
	padding: 13px 30px;
	border-radius: 999px;
	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--green {
	background: linear-gradient(120deg, var(--c-green), var(--c-lime));
	color: #fff; box-shadow: 0 10px 26px rgba(22, 101, 52, .3);
}
.btn--green:hover { color: #fff; box-shadow: 0 14px 32px rgba(22, 101, 52, .4); }
.btn--soft { background: var(--c-tint); color: var(--c-green-deep); border-color: var(--c-line); }
.btn--soft:hover { background: #fff; color: var(--c-green); }
.btn--outline { border-color: var(--c-green); color: var(--c-green); }
.btn--outline:hover { background: var(--c-green); color: #fff; }
.btn--sm { padding: 10px 22px; font-size: 14px; }
.btn--lg { padding: 15px 36px; font-size: 16px; }
.btn--block { width: 100%; justify-content: center; }
.xh-icon { flex-shrink: 0; }

/* ---------- 页头 ---------- */
.site-header {
	position: sticky; top: 0; z-index: 100;
	background: rgba(250, 247, 240, .92);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--c-line);
	transition: box-shadow .25s ease;
}
.site-header.is-scrolled { box-shadow: 0 8px 30px rgba(28, 42, 32, .1); }
.site-header__inner { display: flex; align-items: center; gap: 28px; min-height: 78px; }
.site-brand { margin-right: auto; }
.site-brand__link { display: flex; align-items: center; gap: 12px; }
.site-brand__mark {
	width: 48px; height: 48px; border-radius: 50%;
	display: grid; place-items: center; color: #fff;
	background: linear-gradient(135deg, var(--c-green), var(--c-lime));
	box-shadow: 0 8px 18px rgba(22, 101, 52, .3);
}
.site-brand__name { display: block; font-size: 21px; font-weight: 800; color: var(--c-ink); }
.site-brand__slogan { display: block; font-size: 12px; color: var(--c-text); letter-spacing: .05em; }
.custom-logo { max-height: 52px; 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: 10px 15px;
	color: var(--c-ink); font-weight: 500; font-size: 15px;
	border-radius: 999px;
}
.site-nav__list a:hover { color: var(--c-green); background: var(--c-tint); }
.site-nav__list .sub-menu {
	position: absolute; top: 100%; left: 0; min-width: 190px;
	list-style: none; margin: 8px 0 0; padding: 10px;
	background: #fff; border: 1px solid var(--c-line); border-radius: 20px;
	box-shadow: var(--shadow-lg);
	opacity: 0; visibility: hidden; transform: translateY(8px);
	transition: all .2s ease;
}
.site-nav__list .sub-menu a { border-radius: 12px; }
.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: none; border: 1.5px solid var(--c-line); border-radius: 50%; 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;
	background:
		radial-gradient(720px 420px at 88% 8%, rgba(132, 204, 22, .14), transparent 60%),
		radial-gradient(560px 380px at 2% 96%, rgba(22, 101, 52, .1), transparent 60%),
		var(--c-paper);
}
.hero__inner {
	display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
	padding-top: 84px; padding-bottom: 84px;
}
.hero__eyebrow {
	display: inline-flex; align-items: center; gap: 8px;
	font-size: 14px; letter-spacing: .06em;
	color: var(--c-green);
	background: #fff;
	border: 1.5px solid var(--c-line);
	padding: 8px 18px; border-radius: 999px;
}
.hero__title { font-size: clamp(34px, 4.6vw, 56px); font-weight: 800; margin: 24px 0 18px; }
.hero__title em {
	font-style: normal; color: var(--c-green); position: relative; white-space: nowrap;
}
.hero__title em::after {
	content: ""; position: absolute; left: 2px; right: 2px; bottom: 6px; height: 12px;
	background: rgba(132, 204, 22, .3); border-radius: 8px; z-index: -1;
}
.hero__desc { font-size: 17px; max-width: 32em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 38px; }
.hero__stats { list-style: none; display: flex; flex-wrap: wrap; gap: 14px 44px; margin: 0; padding: 0; }
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong { font-size: 30px; font-weight: 800; color: var(--c-green-deep); font-variant-numeric: tabular-nums; }
.hero__stats span { font-size: 13px; color: var(--c-text); }

/* 循环图 */
.hero__visual { display: flex; justify-content: center; }
.loop { position: relative; width: 400px; height: 400px; }
.loop__ring {
	position: absolute; inset: 26px;
	border: 2.5px dashed rgba(22, 101, 52, .35);
	border-radius: 50%;
	animation: xh-spin 36s linear infinite;
}
@keyframes xh-spin { to { transform: rotate(360deg); } }
.loop__center {
	position: absolute; inset: 0; margin: auto;
	width: 168px; height: 168px; border-radius: 50%;
	background: linear-gradient(140deg, var(--c-green), var(--c-lime));
	color: #fff;
	display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
	box-shadow: 0 22px 50px rgba(22, 101, 52, .35);
	font-weight: 800; letter-spacing: .12em;
}
.loop__node {
	position: absolute;
	display: inline-flex; align-items: center; gap: 7px;
	background: #fff; color: var(--c-ink);
	font-size: 14px; font-weight: 700;
	border: 1.5px solid var(--c-line);
	padding: 9px 16px; border-radius: 999px;
	box-shadow: var(--shadow);
}
.loop__node .xh-icon { color: var(--c-lime); }
.loop__node--1 { top: 2px; left: 50%; transform: translateX(-50%); }
.loop__node--2 { top: 26%; right: -14px; }
.loop__node--3 { bottom: 26%; right: -6px; }
.loop__node--4 { bottom: 2px; left: 50%; transform: translateX(-50%); }
.loop__node--5 { top: 40%; left: -18px; }

/* ---------- 行情 ---------- */
.market { background: var(--c-green-deep); color: #fff; padding: 66px 0 72px; }
.market__head { max-width: 720px; margin-bottom: 34px; }
.market__head h2 { display: flex; align-items: center; gap: 10px; color: #fff; font-size: clamp(22px, 2.8vw, 30px); }
.market__head h2 .xh-icon { color: var(--c-lime-bright); }
.market__head p { color: rgba(255, 255, 255, .72); margin: 0; }
.market__head em { font-style: normal; font-size: 13px; color: rgba(255, 255, 255, .45); }
.market__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.market-card {
	background: rgba(255, 255, 255, .07);
	border: 1px solid rgba(255, 255, 255, .14);
	border-radius: var(--radius-sm);
	padding: 22px 24px;
}
.market-card span { display: block; font-size: 13.5px; color: rgba(255, 255, 255, .65); margin-bottom: 8px; }
.market-card strong { display: block; font-size: 30px; font-weight: 800; color: #fff; font-variant-numeric: tabular-nums; }
.market-card strong i { font-style: normal; font-size: 13px; font-weight: 500; color: rgba(255, 255, 255, .5); margin-left: 4px; }
.market-card em { display: block; font-style: normal; font-size: 12.5px; color: rgba(255, 255, 255, .55); margin-top: 6px; }
.market-card em.is-up { color: var(--c-lime-bright); }

/* ---------- 通用版块 ---------- */
.section { padding: 92px 0; }
.section--pad { padding: 64px 0 92px; }
.section--tint { background: var(--c-tint); }
.section-head { max-width: 640px; margin: 0 auto 54px; text-align: center; }
.section-head__eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .24em; color: var(--c-lime); margin-bottom: 10px; }
.section-head__title { font-size: clamp(26px, 3.2vw, 38px); margin-bottom: 14px; }
.section-head__desc { color: var(--c-text); margin: 0; }
.section-foot { text-align: center; margin: 46px 0 0; }

/* ---------- 产品卡片 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.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(-6px) rotate(-.3deg); box-shadow: var(--shadow-lg); }
.product-card__media {
	position: relative; display: block; aspect-ratio: 16 / 10;
	background:
		radial-gradient(220px 160px at 78% 22%, rgba(132, 204, 22, .35), transparent 70%),
		linear-gradient(150deg, var(--c-green-deep), var(--c-green));
	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: rgba(255, 255, 255, .88); }
.product-card__spec {
	position: absolute; left: 14px; bottom: 12px;
	font-size: 12px; color: #fff; background: rgba(20, 83, 45, .6);
	border: 1px solid rgba(255, 255, 255, .28);
	padding: 4px 12px; border-radius: 999px; backdrop-filter: blur(4px);
}
.product-card__body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.product-card__title { font-size: 17.5px; margin-bottom: 8px; }
.product-card__title a { color: var(--c-ink); }
.product-card__title a:hover { color: var(--c-green); }
.product-card__desc { font-size: 14px; color: var(--c-text); flex: 1; margin-bottom: 14px; }
.product-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--c-lime); transition: gap .2s ease; }
.product-card__more:hover { gap: 10px; color: var(--c-green); }

/* ---------- 整线方案 ---------- */
.line-list { display: grid; gap: 26px; }
.line-card {
	background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
	padding: 34px 38px;
	transition: transform .25s ease, box-shadow .25s ease;
}
.line-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.line-card__head { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
.line-card__head h3 { font-size: 22px; margin: 0; }
.line-card__tag {
	font-size: 12.5px; font-weight: 700; color: #fff;
	background: linear-gradient(120deg, var(--c-green), var(--c-lime));
	padding: 4px 14px; border-radius: 999px;
}
.line-card__desc { font-size: 15px; margin-bottom: 18px; }
.line-card__flow {
	list-style: none; display: flex; flex-wrap: wrap; gap: 10px;
	margin: 0 0 18px; padding: 0;
	counter-reset: flow;
}
.line-card__flow li {
	counter-increment: flow;
	display: inline-flex; align-items: center; gap: 8px;
	background: var(--c-tint); border: 1px solid var(--c-line);
	font-size: 13.5px; font-weight: 600; color: var(--c-ink);
	padding: 7px 16px; border-radius: 999px;
	position: relative;
}
.line-card__flow li::before {
	content: counter(flow);
	display: grid; place-items: center;
	width: 20px; height: 20px; border-radius: 50%;
	background: var(--c-green); color: #fff;
	font-size: 11px; font-weight: 800;
}
.line-card__flow li:not(:last-child)::after { content: "→"; position: absolute; right: -13px; color: var(--c-lime); font-weight: 700; }
.line-card__meta { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-bottom: 22px; }
.line-card__meta span { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; font-weight: 600; color: var(--c-green-deep); }
.line-card__meta .xh-icon { color: var(--c-lime); }

/* ---------- 为什么选择我们 ---------- */
.whyus { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.whyus .section-head__title { text-align: left; }
.whyus__list { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 20px; }
.whyus__list li { display: flex; gap: 16px; }
.whyus__list li > span {
	flex-shrink: 0; display: grid; place-items: center;
	width: 50px; height: 50px; border-radius: 50%;
	color: var(--c-green);
	background: #fff; border: 1.5px solid var(--c-line);
}
.whyus__list h3 { font-size: 17px; margin-bottom: 4px; }
.whyus__list p { font-size: 14px; margin: 0; }

.whyus__panel {
	background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
	padding: 34px 36px;
	box-shadow: var(--shadow);
}
.whyus__quote {
	border-left: 4px solid var(--c-lime);
	background: var(--c-paper); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
	padding: 20px 24px; margin-bottom: 26px;
}
.whyus__quote p { font-size: 15px; color: var(--c-ink); margin-bottom: 10px; }
.whyus__quote footer { font-size: 13px; color: var(--c-text); }
.whyus__facts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.whyus__facts strong { display: block; font-size: 26px; font-weight: 800; color: var(--c-green-deep); }
.whyus__facts span { font-size: 13px; color: var(--c-text); }

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
	position: relative;
	background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
	padding: 30px 28px 26px;
	overflow: hidden;
	transition: transform .25s ease, box-shadow .25s ease;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-card__num {
	position: absolute; right: 18px; top: 6px;
	font-size: 64px; font-weight: 800;
	color: rgba(22, 101, 52, .08);
}
.case-card h3 { font-size: 18px; margin-bottom: 6px; position: relative; }
.case-card__meta { font-size: 13px; color: var(--c-lime); font-weight: 700; margin-bottom: 10px; }
.case-card__desc { font-size: 14px; color: var(--c-text); margin: 0; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
	background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
	padding: 28px 28px 24px;
	transition: transform .25s ease, box-shadow .25s ease;
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.news-card__date { font-size: 13px; color: var(--c-lime); font-weight: 700; margin-bottom: 10px; }
.news-card h3 { font-size: 17px; margin-bottom: 10px; }
.news-card h3 a { color: var(--c-ink); }
.news-card h3 a:hover { color: var(--c-green); }
.news-card__desc { font-size: 14px; color: var(--c-text); }
.news-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600; }

/* ---------- 联系 ---------- */
.contact-band {
	background:
		radial-gradient(700px 380px at 90% 10%, rgba(132, 204, 22, .2), transparent 60%),
		linear-gradient(150deg, var(--c-green-deep), var(--c-green));
	color: rgba(255, 255, 255, .8);
}
.contact-band__inner {
	display: grid; grid-template-columns: 1fr 1.05fr; gap: 60px; align-items: center;
	padding-top: 92px; padding-bottom: 92px;
}
.contact-band__copy .section-head__eyebrow { color: var(--c-lime-bright); }
.contact-band__copy h2 { color: #fff; font-size: clamp(26px, 3.4vw, 40px); }
.contact-band__copy > p { color: rgba(255, 255, 255, .78); max-width: 30em; }
.contact-band__list { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 16px; }
.contact-band__list li { display: flex; align-items: center; gap: 12px; font-size: 15.5px; }
.contact-band__list .xh-icon { color: var(--c-lime-bright); }

.contact-band__form {
	background: var(--c-paper); border-radius: var(--radius);
	padding: 38px; box-shadow: var(--shadow-lg);
}
.contact-form h3 { font-size: 20px; margin-bottom: 20px; }
.contact-form p { margin-bottom: 16px; }
.contact-form label { display: block; font-size: 14px; 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: 13px 16px;
	border: 1.5px solid var(--c-line); border-radius: var(--radius-sm);
	font-family: inherit; font-size: 15px; color: var(--c-ink);
	background: #fff;
	transition: border-color .2s ease, box-shadow .2s ease;
}
.contact-form input:focus, .contact-form textarea:focus {
	outline: none; border-color: var(--c-lime);
	box-shadow: 0 0 0 4px rgba(132, 204, 22, .18);
}
.contact-form__tip { font-size: 12.5px; color: #9aa89d; text-align: center; margin: 12px 0 0; }
.hp-field { position: absolute !important; left: -9999px; }
.form-notice {
	background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534;
	border-radius: var(--radius-sm); padding: 14px 18px; margin-bottom: 18px; font-size: 14.5px;
}

/* ---------- 内页头部 ---------- */
.page-hero {
	background:
		radial-gradient(500px 260px at 88% 0%, rgba(132, 204, 22, .22), transparent 60%),
		linear-gradient(150deg, var(--c-green-deep), var(--c-green));
	color: #fff; padding: 64px 0; border-radius: 0 0 var(--radius) var(--radius);
}
.page-hero__title { color: #fff; font-size: clamp(28px, 3.6vw, 42px); margin: 0; }
.page-hero__sub { color: rgba(255, 255, 255, .75); margin: 10px 0 0; }
.page-hero__meta { color: var(--c-lime-bright); font-size: 14px; margin: 0 0 10px; }
.page-hero__meta a { color: var(--c-lime-bright); }

/* ---------- 博客列表 ---------- */
.post-list { display: grid; gap: 24px; max-width: 860px; margin: 0 auto; }
.post-card {
	display: grid; grid-template-columns: 280px 1fr;
	background: #fff; 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(-4px); 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: 26px 30px; }
.post-card__meta { font-size: 13px; color: var(--c-lime); font-weight: 700; margin-bottom: 8px; }
.post-card__meta a { color: inherit; }
.post-card__title { font-size: 20px; margin-bottom: 8px; }
.post-card__title a { color: var(--c-ink); }
.post-card__title a:hover { color: var(--c-green); }
.post-card__desc { font-size: 14.5px; color: var(--c-text); margin-bottom: 12px; }
.post-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; }
.no-results { text-align: center; padding: 60px 0; color: var(--c-text); }

.navigation.pagination { margin: 48px 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: 10px 16px;
	border: 1px solid var(--c-line); border-radius: 999px;
	color: var(--c-ink); font-weight: 600; font-size: 14px; background: #fff;
}
.nav-links .page-numbers.current,
.nav-links .page-numbers:hover { background: var(--c-green); border-color: var(--c-green); color: #fff; }

/* ---------- 文章内容 ---------- */
.entry-wrap { max-width: 860px; padding-top: 48px; padding-bottom: 92px; }
.entry__thumb { margin: 0 0 32px; border-radius: var(--radius); overflow: hidden; }
.entry__content { font-size: 16.5px; }
.entry__content h2 { font-size: 26px; margin-top: 1.6em; }
.entry__content h3 { font-size: 21px; margin-top: 1.4em; }
.entry__content img { border-radius: var(--radius-sm); }
.entry__content blockquote {
	margin: 1.5em 0; padding: 18px 26px;
	border-left: 4px solid var(--c-lime);
	background: var(--c-tint); border-radius: 0 var(--radius-sm) var(--radius-sm) 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: 10px 14px; text-align: left; }
.entry__content th { background: var(--c-tint); }
.entry__tags { margin-top: 28px; font-size: 14px; }
.page-links { margin: 24px 0; }

.post-nav {
	display: flex; justify-content: space-between; gap: 20px;
	margin: 44px 0; padding-top: 28px; border-top: 1px solid var(--c-line);
	font-size: 14.5px;
}
.post-nav__next { text-align: right; }

/* ---------- 评论 ---------- */
.comments-area { margin-top: 48px; }
.comments-title, .comment-reply-title { font-size: 22px; }
.comment-list { list-style: none; margin: 0 0 30px; padding: 0; }
.comment-list .comment { border-bottom: 1px solid var(--c-line); padding: 20px 0; }
.comment-list .children { list-style: none; padding-left: 40px; }
.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: 12.5px; }
.comment-content { font-size: 15px; }
.reply { font-size: 13.5px; }
.comment-form input[type="text"], .comment-form input[type="email"], .comment-form input[type="url"], .comment-form textarea {
	width: 100%; padding: 12px 16px;
	border: 1.5px solid var(--c-line); border-radius: var(--radius-sm);
	font-family: inherit; font-size: 15px; background: #fff;
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--c-lime); }
.form-submit .submit {
	background: linear-gradient(120deg, var(--c-green), var(--c-lime));
	color: #fff; border: 0; border-radius: 999px; padding: 13px 34px;
	font-size: 15px; font-weight: 600; cursor: pointer;
}

/* ---------- 搜索 / 404 ---------- */
.search-form { display: flex; gap: 10px; max-width: 480px; }
.search-form__input {
	flex: 1; padding: 13px 18px;
	border: 1.5px solid var(--c-line); border-radius: 999px;
	font-family: inherit; font-size: 15px; background: #fff;
}
.search-form__input:focus { outline: none; border-color: var(--c-lime); }
.error-404 { text-align: center; padding: 40px 0; }
.error-404__code {
	font-size: clamp(90px, 16vw, 160px); font-weight: 800; line-height: 1;
	background: linear-gradient(120deg, var(--c-green), var(--c-lime-bright));
	-webkit-background-clip: text; background-clip: text; color: transparent;
	margin: 0 0 10px;
}
.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: 48px; padding-top: 56px; padding-bottom: 40px; align-items: start; }
.product-single__media {
	position: relative; border-radius: var(--radius); overflow: hidden;
	aspect-ratio: 4 / 3;
	background:
		radial-gradient(280px 200px at 72% 28%, rgba(132, 204, 22, .35), transparent 70%),
		linear-gradient(150deg, var(--c-green-deep), var(--c-green));
}
.product-single__media img { width: 100%; height: 100%; object-fit: cover; }
.product-single__ph { position: absolute; inset: 0; display: grid; place-items: center; color: rgba(255, 255, 255, .88); }
.product-single__summary {
	background: var(--c-tint); border: 1px solid var(--c-line);
	border-radius: var(--radius-sm); padding: 16px 22px; margin-bottom: 24px;
	font-size: 15px; color: var(--c-ink);
}
.product-single__summary p { margin: 0; }
.product-single__cta {
	margin-top: 32px; padding: 28px 30px;
	border: 2px dashed rgba(101, 163, 13, .5); border-radius: var(--radius);
	background: rgba(132, 204, 22, .06);
}
.product-single__cta h3 { font-size: 17px; margin-bottom: 6px; }
.product-single__cta p { font-size: 14px; margin-bottom: 16px; }
.product-single__cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.related-title { font-size: 24px; margin-bottom: 28px; }
.archive-cta {
	margin-top: 64px; text-align: center;
	background: #fff; border: 1px solid var(--c-line);
	border-radius: var(--radius); padding: 50px 32px;
}
.archive-cta h2 { font-size: 24px; }
.archive-cta p { margin-bottom: 20px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #14261a; color: rgba(255, 255, 255, .68); margin-top: 0; }
.site-footer__grid {
	display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px;
	padding-top: 64px; padding-bottom: 48px;
}
.site-footer__logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.site-footer__logo .xh-icon { color: var(--c-lime-bright); }
.site-footer__about { font-size: 14px; line-height: 1.9; }
.site-footer__phone { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--c-lime-bright); margin-top: 18px; }
.site-footer__title { color: #fff; font-size: 16px; margin-bottom: 18px; }
.site-footer__menu { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer__menu a { color: rgba(255, 255, 255, .68); font-size: 14px; }
.site-footer__menu a:hover { color: var(--c-lime-bright); }
.site-footer__contact { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; font-size: 14px; }
.site-footer__contact li { display: flex; gap: 9px; align-items: flex-start; }
.site-footer__contact .xh-icon { color: var(--c-lime-bright); margin-top: 4px; }
.site-footer__bottom { border-top: 1px solid rgba(255, 255, 255, .1); }
.site-footer__bottom-inner {
	display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
	padding-top: 20px; padding-bottom: 20px; font-size: 13px;
}
.site-footer__bottom p { margin: 0; }

/* ---------- 返回顶部 ---------- */
.back-to-top {
	position: fixed; right: 26px; bottom: 26px; z-index: 90;
	width: 48px; height: 48px; border: 0; border-radius: 50%;
	display: grid; place-items: center; cursor: pointer;
	background: linear-gradient(135deg, var(--c-green), var(--c-lime));
	color: #fff; box-shadow: 0 12px 28px rgba(22, 101, 52, .4);
	opacity: 0; visibility: hidden; transform: translateY(12px);
	transition: all .25s ease;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); 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; }
	.loop__ring { animation: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
	.hero__inner { grid-template-columns: 1fr; }
	.hero__visual { order: -1; }
	.loop { width: 330px; height: 330px; }
	.product-grid, .case-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
	.market__grid { grid-template-columns: repeat(2, 1fr); }
	.whyus { grid-template-columns: 1fr; gap: 44px; }
	.contact-band__inner { grid-template-columns: 1fr; gap: 44px; }
	.site-footer__grid { grid-template-columns: 1fr 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-paper); box-shadow: -20px 0 60px rgba(28, 42, 32, .25);
		padding: 84px 28px 28px;
		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: 13px 16px; 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: 64px 0; }
	.product-grid, .case-grid, .news-grid, .market__grid { grid-template-columns: 1fr; }
	.loop { width: 300px; height: 300px; }
	.loop__center { width: 132px; height: 132px; }
	.post-card { grid-template-columns: 1fr; }
	.post-card__thumb { aspect-ratio: 16 / 9; overflow: hidden; }
	.product-single { grid-template-columns: 1fr; }
	.site-footer__grid { grid-template-columns: 1fr; gap: 32px; }
	.line-card { padding: 26px 24px; }
	.line-card__flow li:not(:last-child)::after { display: none; }
	.contact-band__form { padding: 26px 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 — 森林绿循环风精修
   ========================================================================== */
/* 通用 UX */
html { scroll-padding-top: 94px; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
.btn:active { transform: translateY(0) scale(.98); transition-duration: .08s; }

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

/* 导航:当前项常亮胶囊 */
.site-nav__list > li.current-menu-item > a { color: var(--c-green); background: var(--c-tint); }

/* 循环图:节点错峰轻浮(独立 translate,不干扰定位 transform)+ 中心呼吸光环 */
@keyframes xh-nodebob { 0%, 100% { translate: 0 0; } 50% { translate: 0 -7px; } }
.loop__node { animation: xh-nodebob 6s ease-in-out infinite; }
.loop__node--2 { animation-delay: 1.1s; }
.loop__node--3 { animation-delay: 2.2s; }
.loop__node--4 { animation-delay: 3.3s; }
.loop__node--5 { animation-delay: 4.4s; }
@keyframes xh-halo {
	0%, 100% { box-shadow: 0 22px 50px rgba(22, 101, 52, .35), 0 0 0 0 rgba(132, 204, 22, .28); }
	50% { box-shadow: 0 22px 50px rgba(22, 101, 52, .35), 0 0 0 18px rgba(132, 204, 22, 0); }
}
.loop__center { animation: xh-halo 4.5s ease-in-out infinite; }

/* 行情卡:悬停点亮 + 涨幅箭头微跳 */
.market-card { transition: background .3s ease, border-color .3s ease, transform .25s ease; }
.market-card:hover { background: rgba(255, 255, 255, .12); border-color: rgba(132, 204, 22, .45); transform: translateY(-4px); }
.market-card em.is-up { transition: color .2s ease; }
.market-card:hover em.is-up { color: #a3e635; }

/* 产品卡:图区微缩放 + 规格签滑出 */
.product-card__media img, .product-card__ph { transition: transform .5s ease; }
.product-card:hover .product-card__media img,
.product-card:hover .product-card__ph { transform: scale(1.06) rotate(.3deg); }
.product-card__spec { transition: transform .3s ease; }
.product-card:hover .product-card__spec { transform: translateX(4px); }

/* 整线方案:流程胶囊悬停填绿 */
.line-card__flow li { transition: background .25s ease, color .25s ease, border-color .25s ease; }
.line-card__flow li:hover { background: var(--c-green); color: #fff; border-color: var(--c-green); }
.line-card__flow li::before { transition: background .25s ease, color .25s ease; }
.line-card__flow li:hover::before { background: #fff; color: var(--c-green); }
.line-card__tag { transition: filter .25s ease; }
.line-card:hover .line-card__tag { filter: brightness(1.08); }

/* 为什么选我们:圆图标填绿翻转 */
.whyus__list li > span { transition: background .3s ease, color .3s ease, border-color .3s ease, transform .3s ease; }
.whyus__list li:hover > span {
	background: linear-gradient(135deg, var(--c-green), var(--c-lime));
	color: #fff; border-color: transparent; transform: scale(1.08);
}

/* 案例:水印编号浮出 */
.case-card__num { transition: color .3s ease, transform .3s ease; }
.case-card:hover .case-card__num { color: rgba(22, 101, 52, .16); transform: translateY(-4px); }

/* 新闻卡:日期前叶点 */
.news-card__date { position: relative; padding-left: 16px; }
.news-card__date::before {
	content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
	width: 9px; height: 9px;
	background: linear-gradient(135deg, var(--c-green), var(--c-lime));
	border-radius: 50% 2px 50% 50%;
}

/* 联系表单:纸面柔和内沿 */
.contact-band__form { box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, .9); }

/* 页脚:顶部青柠发丝线 + 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-lime) 35%, var(--c-green) 65%, 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) {
	.loop__node, .loop__center { animation: none; }
}