/* ==========================================================================
   清源环保 QingYuan Eco — 主样式
   深海蓝 + 青绿 · 企业稳重风
   ========================================================================== */

:root {
	--c-primary: #075985;
	--c-primary-dark: #0c4a6e;
	--c-deep: #082f49;
	--c-accent: #0d9488;
	--c-accent-2: #2dd4bf;
	--c-ink: #10303f;
	--c-text: #44606e;
	--c-line: #d9e7ee;
	--c-tint: #f4f9fb;
	--c-white: #ffffff;
	--radius: 12px;
	--radius-sm: 8px;
	--shadow: 0 10px 30px rgba(8, 47, 73, 0.10);
	--shadow-lg: 0 24px 60px rgba(8, 47, 73, 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: 1.75;
	color: var(--c-text);
	background: var(--c-white);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-accent); }
h1, h2, h3, h4 { color: var(--c-ink); line-height: 1.3; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.2em; }
::selection { background: var(--c-accent); 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-primary); color: #fff;
	padding: 10px 18px; border-radius: 8px;
}
:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }

/* ---------- 按钮 ---------- */
.btn {
	display: inline-flex; align-items: center; gap: 8px;
	padding: 12px 26px;
	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--primary {
	background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
	color: #fff; box-shadow: 0 8px 20px rgba(13, 148, 136, .3);
}
.btn--primary:hover { color: #fff; box-shadow: 0 12px 26px rgba(13, 148, 136, .4); }
.btn--ghost { border-color: rgba(255, 255, 255, .5); color: #fff; background: rgba(255, 255, 255, .06); }
.btn--ghost:hover { border-color: #fff; color: #fff; background: rgba(255, 255, 255, .14); }
.btn--outline { border-color: var(--c-primary); color: var(--c-primary); background: transparent; }
.btn--outline:hover { background: var(--c-primary); color: #fff; }
.btn--white { background: #fff; color: var(--c-primary-dark); }
.btn--white:hover { color: var(--c-primary); }
.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--lg { padding: 14px 32px; font-size: 16px; }
.btn--block { width: 100%; justify-content: center; }
.qy-icon { flex-shrink: 0; }

/* ---------- 顶部信息条 ---------- */
.topbar { background: var(--c-deep); color: rgba(255, 255, 255, .82); font-size: 13px; }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; min-height: 38px; gap: 16px; }
.topbar__note, .topbar__contact span { display: inline-flex; align-items: center; gap: 6px; margin: 0; }
.topbar__contact { display: flex; gap: 20px; }
.topbar .qy-icon { color: var(--c-accent-2); }

/* ---------- 页头 ---------- */
.site-header {
	position: sticky; top: 0; z-index: 100;
	background: rgba(255, 255, 255, .96);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--c-line);
	transition: box-shadow .25s ease;
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(8, 47, 73, .10); }
.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; border-radius: 12px;
	display: grid; place-items: center; color: #fff;
	background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
	box-shadow: 0 6px 14px rgba(13, 148, 136, .35);
}
.site-brand__name { display: block; font-size: 21px; font-weight: 800; color: var(--c-ink); letter-spacing: .02em; }
.site-brand__slogan { display: block; font-size: 12px; color: var(--c-text); letter-spacing: .06em; }
.custom-logo { max-height: 52px; width: auto; }

.site-nav__list { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; }
.site-nav__list li { position: relative; }
.site-nav__list a {
	display: block; padding: 10px 14px;
	color: var(--c-ink); font-weight: 500; font-size: 15px;
	border-radius: 8px;
}
.site-nav__list a:hover { color: var(--c-primary); background: var(--c-tint); }
.site-nav__list .sub-menu {
	position: absolute; top: 100%; left: 0; min-width: 180px;
	list-style: none; margin: 6px 0 0; padding: 8px;
	background: #fff; border: 1px solid var(--c-line); border-radius: 10px;
	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: none; border: 1.5px solid var(--c-line); border-radius: 10px; 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;
	background:
		radial-gradient(900px 500px at 85% -10%, rgba(45, 212, 191, .18), transparent 60%),
		radial-gradient(700px 500px at -10% 110%, rgba(14, 116, 144, .35), transparent 60%),
		linear-gradient(150deg, var(--c-deep) 0%, var(--c-primary-dark) 55%, #0e6a8a 100%);
	color: #fff;
	overflow: hidden;
}
.hero__inner {
	display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center;
	padding-top: 88px; padding-bottom: 130px;
}
.hero__eyebrow {
	display: inline-flex; align-items: center; gap: 8px;
	font-size: 14px; letter-spacing: .08em;
	color: var(--c-accent-2);
	background: rgba(45, 212, 191, .12);
	border: 1px solid rgba(45, 212, 191, .35);
	padding: 7px 14px; border-radius: 999px;
}
.hero__title { font-size: clamp(34px, 4.6vw, 56px); font-weight: 800; color: #fff; margin: 22px 0 18px; letter-spacing: .01em; }
.hero__title em {
	font-style: normal; color: var(--c-accent-2); position: relative;
}
.hero__title em::after {
	content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 10px;
	background: rgba(45, 212, 191, .25); z-index: -1; border-radius: 4px;
}
.hero__desc { font-size: 17px; color: rgba(255, 255, 255, .78); max-width: 34em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 40px; }
.hero__stats { list-style: none; display: flex; flex-wrap: wrap; gap: 12px 44px; margin: 0; padding: 0; }
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong { font-size: 30px; font-weight: 800; color: #fff; font-variant-numeric: tabular-nums; }
.hero__stats span { font-size: 13px; color: rgba(255, 255, 255, .6); }

.hero__panel { position: relative; min-height: 420px; }
.hero__ring { position: absolute; border: 1.5px solid rgba(255, 255, 255, .14); border-radius: 50%; }
.hero__ring--1 { width: 380px; height: 380px; right: 0; top: 20px; animation: qy-spin 40s linear infinite; border-style: dashed; }
.hero__ring--2 { width: 260px; height: 260px; right: 60px; top: 80px; }
@keyframes qy-spin { to { transform: rotate(360deg); } }

.hero-card {
	position: absolute;
	background: rgba(255, 255, 255, .95);
	color: var(--c-ink);
	border-radius: 16px;
	box-shadow: var(--shadow-lg);
	padding: 20px 22px;
	backdrop-filter: blur(8px);
}
.hero-card--main { right: 40px; top: 90px; width: 280px; }
.hero-card__label { font-size: 13px; color: var(--c-text); margin: 0 0 4px; }
.hero-card__value { font-size: 44px; font-weight: 800; color: var(--c-primary); margin: 0; line-height: 1.1; }
.hero-card__value small { font-size: 20px; color: var(--c-accent); }
.hero-card__bars { display: flex; align-items: flex-end; gap: 7px; height: 70px; margin-top: 16px; }
.hero-card__bars i {
	flex: 1; border-radius: 4px 4px 0 0;
	background: linear-gradient(180deg, var(--c-accent-2), var(--c-primary));
	animation: qy-grow 1.2s ease both;
}
@keyframes qy-grow { from { transform: scaleY(0); transform-origin: bottom; } }
.hero-card--float1 { left: 0; top: 30px; display: flex; gap: 12px; align-items: center; animation: qy-float 5s ease-in-out infinite; }
.hero-card--float2 { left: 30px; bottom: 30px; display: flex; gap: 12px; align-items: center; animation: qy-float 6s ease-in-out 1s infinite; }
@keyframes qy-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.hero-card__dot { width: 12px; height: 12px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 5px rgba(34, 197, 94, .18); }
.hero-card__icon { color: var(--c-accent); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: rgba(13, 148, 136, .1); }
.hero-card__k { font-size: 12px; color: var(--c-text); margin: 0; }
.hero-card__v { font-size: 15px; font-weight: 700; color: var(--c-ink); margin: 0; }

.hero__wave { position: absolute; left: 0; right: 0; bottom: -1px; line-height: 0; }
.hero__wave svg { width: 100%; height: 70px; }

/* ---------- 信任条 ---------- */
.trustbar { background: var(--c-tint); padding: 18px 0 26px; }
.trustbar__inner { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.trustbar__label {
	font-size: 13px; font-weight: 700; color: var(--c-primary);
	border: 1px solid var(--c-primary); border-radius: 999px; padding: 4px 14px;
}
.trustbar__list { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 28px; margin: 0; padding: 0; }
.trustbar__list li { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: var(--c-ink); }
.trustbar__list .qy-icon { color: var(--c-accent); }

/* ---------- 通用版块 ---------- */
.section { padding: 88px 0; }
.section--pad { padding: 64px 0 88px; }
.section--tint { background: var(--c-tint); }
.section--deep {
	background:
		radial-gradient(700px 400px at 90% 0%, rgba(45, 212, 191, .15), transparent 60%),
		linear-gradient(150deg, var(--c-deep), var(--c-primary-dark));
	color: rgba(255, 255, 255, .8);
}
.section-head { max-width: 640px; margin: 0 auto 52px; text-align: center; }
.section-head__eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .22em; color: var(--c-accent); 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: 44px 0 0; }

/* ---------- 产品卡片 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
	background: #fff; 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, border-color .25s ease;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-card__media {
	position: relative; display: block; aspect-ratio: 16 / 10;
	background:
		radial-gradient(240px 140px at 80% 20%, rgba(45, 212, 191, .35), transparent 70%),
		linear-gradient(135deg, var(--c-primary-dark), var(--c-primary));
	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, .85); }
.product-card__spec {
	position: absolute; left: 14px; bottom: 12px;
	font-size: 12px; color: #fff; background: rgba(8, 47, 73, .55);
	border: 1px solid rgba(255, 255, 255, .25);
	padding: 4px 10px; 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: 18px; margin-bottom: 8px; }
.product-card__title a { color: var(--c-ink); }
.product-card__title a:hover { color: var(--c-primary); }
.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-accent); }
.product-card__more:hover { gap: 10px; color: var(--c-primary); }
.product-card__more { transition: gap .2s ease, color .2s ease; }

/* ---------- 服务流程 ---------- */
.steps {
	list-style: none; margin: 0; padding: 0;
	display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px;
	counter-reset: step;
}
.step {
	position: relative; background: #fff; border: 1px solid var(--c-line);
	border-radius: var(--radius); padding: 28px 22px 24px;
	transition: transform .25s ease, box-shadow .25s ease;
}
.step:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.step__num {
	position: absolute; top: 18px; right: 18px;
	font-size: 30px; font-weight: 800; color: var(--c-line);
	font-variant-numeric: tabular-nums;
}
.step .qy-icon { color: var(--c-accent); margin-bottom: 12px; }
.step h3 { font-size: 17px; margin-bottom: 6px; }
.step p { font-size: 13.5px; color: var(--c-text); margin: 0; }

/* ---------- 解决方案 ---------- */
.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.solution-card {
	background: #fff; border: 1px solid var(--c-line);
	border-left: 4px solid var(--c-accent);
	border-radius: var(--radius-sm);
	padding: 26px 26px 22px;
	transition: transform .25s ease, box-shadow .25s ease;
}
.solution-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.solution-card__icon {
	display: inline-grid; place-items: center;
	width: 52px; height: 52px; border-radius: 14px;
	color: var(--c-primary);
	background: linear-gradient(135deg, rgba(7, 89, 133, .1), rgba(13, 148, 136, .12));
	margin-bottom: 16px;
}
.solution-card h3 { font-size: 18px; margin-bottom: 8px; }
.solution-card p { font-size: 14px; color: var(--c-text); margin-bottom: 12px; }
.solution-card a { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600; }

/* ---------- 为什么选择我们 ---------- */
.whyus { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.whyus .section-head__title { color: #fff; }
.whyus .section-head__eyebrow { color: var(--c-accent-2); }
.whyus__list { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 22px; }
.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: 13px;
	color: var(--c-accent-2);
	background: rgba(45, 212, 191, .12);
	border: 1px solid rgba(45, 212, 191, .3);
}
.whyus__list h3 { color: #fff; font-size: 17px; margin-bottom: 4px; }
.whyus__list p { font-size: 14px; margin: 0; color: rgba(255, 255, 255, .66); }

.whyus__panel {
	position: relative;
	background: rgba(255, 255, 255, .06);
	border: 1px solid rgba(255, 255, 255, .14);
	border-radius: 20px; padding: 90px 36px 36px;
	backdrop-filter: blur(6px);
}
.whyus__badge {
	position: absolute; top: -34px; left: 36px;
	background: linear-gradient(135deg, var(--c-accent), var(--c-primary));
	color: #fff; border-radius: 18px; padding: 18px 26px;
	box-shadow: 0 16px 34px rgba(13, 148, 136, .4);
	display: flex; align-items: baseline; gap: 10px;
}
.whyus__badge strong { font-size: 46px; font-weight: 800; line-height: 1; }
.whyus__badge span { font-size: 14px; }
.whyus__facts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.whyus__facts strong { display: block; font-size: 28px; font-weight: 800; color: #fff; }
.whyus__facts span { font-size: 13px; color: rgba(255, 255, 255, .6); }

/* ---------- 工程案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card {
	background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
	overflow: hidden; transition: transform .25s ease, box-shadow .25s ease;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-card__band {
	background: linear-gradient(135deg, var(--c-primary-dark), var(--c-accent));
	color: rgba(255, 255, 255, .9);
	font-size: 13px; font-weight: 700; letter-spacing: .12em;
	padding: 14px 24px;
}
.case-card h3 { font-size: 18px; margin: 20px 24px 6px; }
.case-card__meta { font-size: 13px; color: var(--c-accent); font-weight: 600; margin: 0 24px 10px; }
.case-card__desc { font-size: 14px; color: var(--c-text); margin: 0 24px 24px; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card {
	background: #fff; 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(-5px); box-shadow: var(--shadow); }
.news-card__date { font-size: 13px; color: var(--c-accent); font-weight: 600; 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-primary); }
.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; }

/* ---------- CTA ---------- */
.cta {
	background:
		radial-gradient(600px 300px at 10% 0%, rgba(45, 212, 191, .25), transparent 60%),
		linear-gradient(120deg, var(--c-primary-dark), var(--c-primary) 60%, var(--c-accent));
	color: #fff;
}
.cta__inner {
	display: flex; align-items: center; justify-content: space-between; gap: 32px;
	padding-top: 56px; padding-bottom: 56px; flex-wrap: wrap;
}
.cta h2 { color: #fff; font-size: clamp(22px, 3vw, 32px); margin-bottom: 8px; }
.cta p { margin: 0; color: rgba(255, 255, 255, .8); }
.cta__actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.cta__phone { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-size: 24px; font-weight: 800; }
.cta__phone:hover { color: var(--c-accent-2); }

/* ---------- 联系我们 ---------- */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: start; }
.contact .section-head__eyebrow,
.whyus__copy .section-head__eyebrow { text-align: left; }
.contact__info .section-head__title { text-align: left; }
.contact__list { list-style: none; margin: 34px 0 0; padding: 0; display: grid; gap: 20px; }
.contact__list li { display: flex; gap: 16px; align-items: flex-start; }
.contact__list li > span {
	flex-shrink: 0; display: grid; place-items: center;
	width: 48px; height: 48px; border-radius: 12px;
	color: var(--c-primary); background: var(--c-tint); border: 1px solid var(--c-line);
}
.contact__list h3 { font-size: 14px; color: var(--c-text); font-weight: 500; margin: 0; }
.contact__list p { font-size: 16px; font-weight: 700; color: var(--c-ink); margin: 2px 0 0; }

.contact-form {
	background: #fff; border: 1px solid var(--c-line); border-radius: 18px;
	padding: 36px; box-shadow: var(--shadow);
}
.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: 12px 14px;
	border: 1.5px solid var(--c-line); border-radius: 10px;
	font-family: inherit; font-size: 15px; color: var(--c-ink);
	background: var(--c-tint);
	transition: border-color .2s ease, background .2s ease;
}
.contact-form input:focus, .contact-form textarea:focus {
	outline: none; border-color: var(--c-accent); background: #fff;
}
.contact-form__tip { font-size: 12.5px; color: #8aa4b0; text-align: center; margin: 12px 0 0; }
.hp-field { position: absolute !important; left: -9999px; }
.form-notice {
	background: #ecfdf5; border: 1px solid #a7f3d0; color: #047857;
	border-radius: 10px; padding: 14px 18px; margin-bottom: 18px; font-size: 14.5px;
}

/* ---------- 内页头部 ---------- */
.page-hero {
	background:
		radial-gradient(600px 300px at 90% -20%, rgba(45, 212, 191, .2), transparent 60%),
		linear-gradient(150deg, var(--c-deep), var(--c-primary-dark));
	color: #fff; padding: 64px 0;
}
.page-hero__title { color: #fff; font-size: clamp(28px, 3.6vw, 42px); margin: 0; }
.page-hero__sub { color: rgba(255, 255, 255, .72); margin: 10px 0 0; }
.page-hero__meta { color: var(--c-accent-2); font-size: 14px; margin: 0 0 10px; }
.page-hero__meta a { color: var(--c-accent-2); }

/* ---------- 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 { display: block; }
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card:not(:has(.post-card__thumb)) { grid-template-columns: 1fr; }
.post-card__body { padding: 24px 28px; }
.post-card__meta { font-size: 13px; color: var(--c-accent); font-weight: 600; 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-primary); }
.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); }

.pagination, .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: 42px; padding: 9px 14px;
	border: 1px solid var(--c-line); border-radius: 9px;
	color: var(--c-ink); font-weight: 600; font-size: 14px;
}
.nav-links .page-numbers.current,
.nav-links .page-numbers:hover { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* ---------- 文章内容 ---------- */
.entry-wrap { max-width: 860px; padding-top: 48px; padding-bottom: 88px; }
.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: 10px; }
.entry__content blockquote {
	margin: 1.5em 0; padding: 16px 24px;
	border-left: 4px solid var(--c-accent);
	background: var(--c-tint); border-radius: 0 10px 10px 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 label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.comment-form input[type="text"], .comment-form input[type="email"], .comment-form input[type="url"], .comment-form textarea {
	width: 100%; padding: 11px 14px;
	border: 1.5px solid var(--c-line); border-radius: 10px;
	font-family: inherit; font-size: 15px; background: var(--c-tint);
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--c-accent); background: #fff; }
.form-submit .submit {
	background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
	color: #fff; border: 0; border-radius: 9px; padding: 12px 30px;
	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: 12px 16px;
	border: 1.5px solid var(--c-line); border-radius: 10px;
	font-family: inherit; font-size: 15px; background: #fff;
}
.search-form__input:focus { outline: none; border-color: var(--c-accent); }
.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(135deg, var(--c-primary), var(--c-accent-2));
	-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(300px 200px at 75% 25%, rgba(45, 212, 191, .35), transparent 70%),
		linear-gradient(135deg, var(--c-primary-dark), var(--c-primary));
}
.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, .85); }
.product-single__summary {
	background: var(--c-tint); border-left: 4px solid var(--c-accent);
	border-radius: 0 10px 10px 0; padding: 16px 20px; margin-bottom: 24px;
	font-size: 15px; color: var(--c-ink);
}
.product-single__summary p { margin: 0; }
.product-single__cta {
	margin-top: 32px; padding: 26px 28px;
	border: 1.5px dashed var(--c-accent); border-radius: 14px;
	background: rgba(13, 148, 136, .04);
}
.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: var(--c-tint); border-radius: 18px; padding: 48px 32px;
}
.archive-cta h2 { font-size: 24px; }
.archive-cta p { margin-bottom: 20px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--c-deep); color: rgba(255, 255, 255, .72); 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 .qy-icon { color: var(--c-accent-2); }
.site-footer__about { font-size: 14px; line-height: 1.8; }
.site-footer__phone { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--c-accent-2); 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, .72); font-size: 14px; }
.site-footer__menu a:hover { color: var(--c-accent-2); }
.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 .qy-icon { color: var(--c-accent-2); 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: 46px; height: 46px; border: 0; border-radius: 12px;
	display: grid; place-items: center; cursor: pointer;
	background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
	color: #fff; box-shadow: 0 10px 24px rgba(13, 148, 136, .4);
	opacity: 0; visibility: hidden; transform: translateY(12px);
	transition: all .25s ease;
}
.back-to-top .qy-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(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	.reveal { opacity: 1; transform: none; transition: none; }
	.hero-card--float1, .hero-card--float2, .hero__ring--1 { animation: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
	.hero__inner { grid-template-columns: 1fr; padding-top: 64px; padding-bottom: 110px; }
	.hero__panel { display: none; }
	.product-grid, .solution-grid, .case-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
	.steps { grid-template-columns: repeat(3, 1fr); }
	.whyus { grid-template-columns: 1fr; gap: 70px; }
	.contact { grid-template-columns: 1fr; gap: 44px; }
	.site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
	.topbar__note { display: none; }
	.topbar__inner { justify-content: center; }
	.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: #fff; box-shadow: -20px 0 60px rgba(8, 47, 73, .2);
		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 14px; font-size: 16px; }
	.site-nav__list .sub-menu {
		position: static; opacity: 1; visibility: visible; transform: none;
		box-shadow: none; border: 0; padding: 0 0 0 18px; margin: 0;
	}
	.nav-toggle { position: relative; z-index: 210; }
	body.nav-open { overflow: hidden; }
}

@media (max-width: 620px) {
	.section { padding: 64px 0; }
	.product-grid, .solution-grid, .case-grid, .news-grid { grid-template-columns: 1fr; }
	.steps { grid-template-columns: 1fr 1fr; }
	.hero__stats { gap: 12px 28px; }
	.hero__stats strong { font-size: 24px; }
	.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; }
	.cta__inner { flex-direction: column; align-items: flex-start; }
	.contact-form { padding: 26px 22px; }
}