/* =============================================================
   上海川沪阀门 CHFM | 视觉与转化增强层 v2  (css/enhance.css)
   -------------------------------------------------------------
   始终在 base.css / style.css / responsive.css 之后加载。
   作用：统一设计语言、提升正文可读性、补齐信任与询盘转化组件。
   不删除任何原有内容；原页面类名与结构保持不变。
   ============================================================= */

:root{
	--ch-brand:#0b5cab;
	--ch-brand-dark:#084785;
	--ch-brand-soft:#eef5fd;
	--ch-accent:#e1670c;
	--ch-accent-dark:#c85708;
	--ch-ink:#16212e;
	--ch-muted:#5d6b7a;
	--ch-line:#e2e8f0;
	--ch-surface:#ffffff;
	--ch-soft:#f4f7fb;
	--ch-shadow:0 6px 24px rgba(16,36,60,.08);
	--ch-shadow-sm:0 2px 10px rgba(16,36,60,.06);
	--ch-radius:12px;
	--ch-font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;
}

/* ---------- 全局基础：把 12px 老字号提升到可读的 15px ---------- */
body{
	font:15px/1.75 var(--ch-font) !important;
	color:var(--ch-ink);
	-webkit-text-size-adjust:100%;
	text-size-adjust:100%;
}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ch-brand);}
h1,h2,h3,h4,h5{line-height:1.35;}
img{vertical-align:middle;}
:focus-visible{outline:2px solid var(--ch-accent);outline-offset:2px;}
::selection{background:#cfe3fa;color:var(--ch-brand-dark);}
html{scroll-behavior:smooth;}

/* 隐藏原单行页脚，由统一增强页脚替代（信息完整保留并扩充） */
.footer{display:none !important;}

/* ---------- 跳过导航（无障碍） ---------- */
.ch-skip{position:absolute;left:-9999px;top:0;z-index:10000;background:#fff;color:var(--ch-brand);padding:10px 16px;border:1px solid var(--ch-line);}
.ch-skip:focus{left:8px;top:8px;}

/* ---------- 顶部工具条 ---------- */
.ch-topbar{
	background:var(--ch-brand-dark);
	color:#fff;
	font-size:13px;
	line-height:1.5;
}
.ch-topbar-inner{
	max-width:1100px;margin:0 auto;padding:8px 16px;
	display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.ch-topbar-tag{opacity:.86;letter-spacing:.02em;}
.ch-topbar-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.ch-topbar-tel{color:#fff;font-weight:600;white-space:nowrap;}
.ch-topbar-tel:hover{color:#ffd9a8;}
.ch-topbar-cta{
	background:var(--ch-accent);color:#fff !important;
	padding:5px 14px;border-radius:20px;font-weight:600;white-space:nowrap;
}
.ch-topbar-cta:hover{background:var(--ch-accent-dark);color:#fff !important;}

/* ---------- 面包屑 ---------- */
.ch-crumb{
	max-width:1100px;margin:0 auto;padding:14px 16px 0;
	font-size:13px;color:var(--ch-muted);
	display:flex;flex-wrap:wrap;align-items:center;gap:6px;
}
.ch-crumb a{color:var(--ch-muted);}
.ch-crumb a:hover{color:var(--ch-brand);text-decoration:underline;}
.ch-crumb .ch-sep{color:#b7c2ce;}
.ch-crumb [aria-current="page"]{color:var(--ch-ink);font-weight:600;}

/* ---------- 按钮 ---------- */
.ch-btn{
	display:inline-flex;align-items:center;justify-content:center;gap:8px;
	padding:11px 22px;border-radius:8px;border:1px solid transparent;
	font-size:14px;font-weight:600;line-height:1.4;cursor:pointer;
	transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
	text-align:center;
}
.ch-btn:hover{transform:translateY(-1px);}
.ch-btn--primary{background:var(--ch-accent);color:#fff !important;box-shadow:0 4px 14px rgba(225,103,12,.24);}
.ch-btn--primary:hover{background:var(--ch-accent-dark);color:#fff !important;}
.ch-btn--blue{background:var(--ch-brand);color:#fff !important;}
.ch-btn--blue:hover{background:var(--ch-brand-dark);color:#fff !important;}
.ch-btn--line{border-color:#cbd8e6;color:var(--ch-brand) !important;background:#fff;}
.ch-btn--line:hover{border-color:var(--ch-brand);background:var(--ch-brand-soft);}
.ch-btn--light{background:rgba(255,255,255,.14);color:#fff !important;border-color:rgba(255,255,255,.55);}
.ch-btn--light:hover{background:rgba(255,255,255,.24);color:#fff !important;}

/* ---------- 通用版式块 ---------- */
.ch-section{max-width:1100px;margin:0 auto;padding:52px 16px;}
.ch-section--soft{background:var(--ch-soft);max-width:none;}
.ch-section--soft > .ch-section-inner{max-width:1100px;margin:0 auto;padding:52px 16px;}
.ch-section-head{text-align:center;margin-bottom:32px;}
.ch-kicker{
	display:inline-block;color:var(--ch-brand);font-size:12px;font-weight:700;
	letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px;
}
.ch-section h2{font-size:28px;font-weight:700;color:var(--ch-ink);margin:0 0 10px;}
.ch-section-head p{color:var(--ch-muted);font-size:15px;max-width:720px;margin:0 auto;}
.ch-rule{width:48px;height:3px;background:var(--ch-accent);border-radius:2px;margin:14px auto 0;}

/* ---------- 首页 Hero ---------- */
.ch-hero{
	background:linear-gradient(115deg,#084785 0%,#0b5cab 58%,#1176c9 100%);
	color:#fff;position:relative;overflow:hidden;
}
.ch-hero::after{
	content:"";position:absolute;right:-120px;top:-120px;width:460px;height:460px;
	border-radius:50%;background:rgba(255,255,255,.06);pointer-events:none;
}
.ch-hero-inner{
	position:relative;z-index:1;max-width:1100px;margin:0 auto;
	padding:64px 16px 60px;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.ch-hero-badge{
	display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);
	border-radius:20px;padding:5px 14px;font-size:12px;letter-spacing:.04em;margin-bottom:18px;
}
.ch-hero h1{font-size:38px;line-height:1.3;font-weight:700;margin:0 0 16px;color:#fff;}
.ch-hero h1 em{font-style:normal;color:#ffd9a8;}
.ch-hero-lead{font-size:16px;line-height:1.85;color:rgba(255,255,255,.9);margin:0 0 14px;max-width:640px;}
.ch-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;}
.ch-hero-stats{display:flex;gap:28px;flex-wrap:wrap;margin-top:32px;padding-top:22px;border-top:1px solid rgba(255,255,255,.22);}
.ch-hero-stats div strong{display:block;font-size:22px;line-height:1.3;font-weight:700;color:#fff;}
.ch-hero-stats div span{font-size:12px;color:rgba(255,255,255,.78);}
.ch-hero-visual{
	background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
	border-radius:var(--ch-radius);padding:22px;backdrop-filter:blur(4px);
}
.ch-hero-visual h2{font-size:17px;margin:0 0 14px;color:#fff;font-weight:600;}
.ch-hero-visual ul{list-style:none;margin:0;padding:0;}
.ch-hero-visual li{
	display:flex;align-items:center;justify-content:space-between;gap:10px;
	padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.22);font-size:14px;
}
.ch-hero-visual li:last-child{border-bottom:0;}
.ch-hero-visual li a{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.ch-hero-visual li span{font-size:11px;opacity:.7;white-space:nowrap;}

/* ---------- 品类入口卡片 ---------- */
.ch-cat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.ch-cat-card{
	background:#fff;border:1px solid var(--ch-line);border-radius:var(--ch-radius);
	padding:22px 20px;box-shadow:var(--ch-shadow-sm);
	transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.ch-cat-card:hover{transform:translateY(-3px);box-shadow:var(--ch-shadow);border-color:#b9d3ef;}
.ch-cat-icon{
	width:42px;height:42px;border-radius:10px;background:var(--ch-brand-soft);color:var(--ch-brand);
	display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;margin-bottom:14px;
}
.ch-cat-card h3{font-size:17px;margin:0 0 4px;}
.ch-cat-card h3 a{color:var(--ch-ink);}
.ch-cat-card h3 a:hover{color:var(--ch-brand);}
.ch-cat-card .ch-en{font-size:11px;color:#94a2b1;letter-spacing:.03em;margin-bottom:12px;}
.ch-cat-card ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 10px;}
.ch-cat-card li{font-size:13px;}
.ch-cat-card li a{color:var(--ch-muted);}
.ch-cat-card li a:hover{color:var(--ch-brand);text-decoration:underline;}
.ch-cat-card li+li::before{content:"·";color:#c6d1dc;margin-right:10px;}

/* ---------- 信任背书 ---------- */
.ch-trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.ch-trust-item{
	background:#fff;border:1px solid var(--ch-line);border-radius:var(--ch-radius);
	padding:22px;text-align:center;box-shadow:var(--ch-shadow-sm);
}
.ch-trust-num{
	width:46px;height:46px;margin:0 auto 12px;border-radius:50%;
	background:var(--ch-brand-soft);color:var(--ch-brand);
	display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
}
.ch-trust-item h3{font-size:15px;margin:0 0 6px;}
.ch-trust-item p{font-size:13px;color:var(--ch-muted);line-height:1.7;margin:0;}

/* ---------- FAQ（原生 details，无需 JS，便于 AI 摘录） ---------- */
.ch-faq{max-width:860px;margin:0 auto;}
.ch-faq details{
	background:#fff;border:1px solid var(--ch-line);border-radius:10px;
	margin-bottom:10px;overflow:hidden;
}
.ch-faq details[open]{border-color:#b9d3ef;box-shadow:var(--ch-shadow-sm);}
.ch-faq summary{
	cursor:pointer;padding:15px 20px;font-size:15px;font-weight:600;color:var(--ch-ink);
	list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.ch-faq summary::-webkit-details-marker{display:none;}
.ch-faq summary::after{content:"+";font-size:20px;color:var(--ch-brand);font-weight:400;line-height:1;}
.ch-faq details[open] summary::after{content:"−";}
.ch-faq summary:hover{background:var(--ch-soft);}
.ch-faq-a{padding:0 20px 16px;font-size:14px;color:var(--ch-muted);line-height:1.85;}
.ch-faq-a a{color:var(--ch-brand);text-decoration:underline;}

/* ---------- 全站询盘 CTA 条 ---------- */
.ch-cta-band{background:linear-gradient(110deg,#0b5cab,#084785);color:#fff;}
.ch-cta-inner{
	max-width:1100px;margin:0 auto;padding:34px 16px;
	display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.ch-cta-title{font-size:22px;font-weight:700;margin:0 0 6px;color:#fff;}
.ch-cta-desc{font-size:14px;color:rgba(255,255,255,.86);margin:0;}
.ch-cta-actions{display:flex;gap:10px;flex-wrap:wrap;}
.ch-cta-points{
	max-width:1100px;margin:0 auto;padding:0 16px 26px;
	display:flex;gap:26px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.82);
}
.ch-cta-points span::before{content:"✓";color:#ffd9a8;margin-right:7px;font-weight:700;}

/* ---------- 统一页脚 ---------- */
.ch-footer{background:#152432;color:#c3ced9;font-size:13px;line-height:1.8;}
.ch-footer-grid{
	max-width:1100px;margin:0 auto;padding:40px 16px 28px;
	display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:28px;
}
.ch-footer h3{font-size:15px;color:#fff;margin:0 0 14px;font-weight:600;}
.ch-footer p{margin:0 0 8px;}
.ch-footer ul{list-style:none;margin:0;padding:0;}
.ch-footer li{margin-bottom:7px;}
.ch-footer a{color:#c3ced9;}
.ch-footer a:hover{color:#fff;text-decoration:underline;}
.ch-footer strong{color:#fff;font-weight:600;}
.ch-footer-tel{font-size:18px;color:#fff;font-weight:700;display:block;margin:4px 0 8px;}
.ch-footer-bottom{
	border-top:1px solid rgba(255,255,255,.1);
	max-width:1100px;margin:0 auto;padding:16px;
	display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:#94a4b3;
}
.ch-footer-bottom a{color:#94a4b3;}

/* ---------- 移动端底部固定转化条 ---------- */
.ch-float{
	display:none;position:fixed;left:0;right:0;bottom:0;z-index:9200;
	background:#fff;border-top:1px solid var(--ch-line);
	box-shadow:0 -3px 16px rgba(16,36,60,.1);
	padding:8px 10px calc(8px + env(safe-area-inset-bottom));
	grid-template-columns:1fr 1fr 1fr;gap:8px;
}
.ch-float a{
	display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
	padding:7px 4px;border-radius:8px;font-size:12px;font-weight:600;line-height:1.3;
}
.ch-float a span:first-child{font-size:17px;line-height:1;}
.ch-float .ch-float-tel{background:var(--ch-brand-soft);color:var(--ch-brand);}
.ch-float .ch-float-inq{background:var(--ch-accent);color:#fff;}
.ch-float .ch-float-inq:hover{color:#fff;}
.ch-float .ch-float-wx{background:#eaf7ee;color:#16803c;}

/* ---------- 返回顶部 ---------- */
.ch-totop{
	position:fixed;right:18px;bottom:88px;z-index:9100;
	width:42px;height:42px;border-radius:50%;border:1px solid var(--ch-line);
	background:#fff;color:var(--ch-brand);font-size:18px;cursor:pointer;
	box-shadow:var(--ch-shadow);display:none;align-items:center;justify-content:center;
}
.ch-totop.show{display:flex;}
.ch-totop:hover{background:var(--ch-brand);color:#fff;}

/* ---------- 询盘表单 ---------- */
.ch-form{background:#fff;border:1px solid var(--ch-line);border-radius:var(--ch-radius);padding:26px;box-shadow:var(--ch-shadow-sm);}
.ch-form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.ch-field{margin-bottom:16px;}
.ch-field label{display:block;font-size:13px;font-weight:600;color:var(--ch-ink);margin-bottom:6px;}
.ch-field label .ch-req{color:#d33d20;}
.ch-field input,.ch-field select,.ch-field textarea{
	width:100%;box-sizing:border-box;padding:10px 12px;font-size:14px;line-height:1.5;
	border:1px solid #cfd9e4;border-radius:8px;background:#fff;color:var(--ch-ink);
	font-family:inherit;transition:border-color .18s ease,box-shadow .18s ease;
}
.ch-field input:focus,.ch-field select:focus,.ch-field textarea:focus{
	outline:none;border-color:var(--ch-brand);box-shadow:0 0 0 3px rgba(11,92,171,.12);
}
.ch-field textarea{min-height:110px;resize:vertical;}
.ch-field .ch-hint{font-size:12px;color:var(--ch-muted);margin-top:5px;}
.ch-form-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.ch-form-note{font-size:12px;color:var(--ch-muted);line-height:1.7;margin-top:12px;}
.ch-form-note a{color:var(--ch-brand);text-decoration:underline;}
.ch-form-ok{
	display:none;background:#eaf7ee;border:1px solid #b8e2c5;color:#146c34;
	border-radius:8px;padding:12px 16px;font-size:14px;margin-bottom:16px;
}
.ch-form-ok.show{display:block;}

/* ---------- 联系信息卡片 ---------- */
.ch-contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.ch-contact-card{
	background:#fff;border:1px solid var(--ch-line);border-radius:var(--ch-radius);
	padding:22px;box-shadow:var(--ch-shadow-sm);
}
.ch-contact-card h3{font-size:16px;margin:0 0 12px;color:var(--ch-brand-dark);}
.ch-contact-card p{font-size:14px;color:var(--ch-muted);margin:0 0 8px;line-height:1.8;}
.ch-contact-card a{color:var(--ch-brand);text-decoration:underline;text-underline-offset:2px;}
.ch-contact-card .ch-big{font-size:19px;font-weight:700;color:var(--ch-ink);letter-spacing:.01em;}

/* ---------- 产品参数 / 选型提示 ---------- */
.ch-panel{
	background:#fff;border:1px solid var(--ch-line);border-left:4px solid var(--ch-brand);
	border-radius:8px;padding:16px 20px;margin:18px 0;font-size:14px;color:var(--ch-muted);line-height:1.8;
}
.ch-panel strong{color:var(--ch-ink);}
.ch-tag{
	display:inline-block;background:var(--ch-brand-soft);color:var(--ch-brand);
	border-radius:4px;padding:2px 9px;font-size:12px;margin:0 6px 6px 0;
}
.ch-prod-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;}
.ch-prod-card{
	background:#fff;border:1px solid var(--ch-line);border-radius:10px;padding:14px;
	text-align:center;transition:transform .2s ease,box-shadow .2s ease;
}
.ch-prod-card:hover{transform:translateY(-3px);box-shadow:var(--ch-shadow);}
.ch-prod-card img{width:100%;height:150px;object-fit:contain;}
.ch-prod-card h3{font-size:14px;margin:8px 0 4px;}
.ch-prod-card a{color:var(--ch-ink);}
.ch-prod-card a:hover{color:var(--ch-brand);}
.ch-prod-card span{font-size:11px;color:#94a2b1;display:block;}

/* ---------- 桌面端原页面轻度美化 ---------- */
@media only screen and (min-width:1181px){
	.nav{border-radius:6px;box-shadow:0 3px 14px rgba(16,36,60,.1);}
	.nav_a a h2 i{font-size:14px;}
	.p1_middle li,.p1_list li,.p2_middle li,.p3_middle li{border-radius:8px;}
	.sec_nav{border-radius:8px;overflow:hidden;}
	.title img{max-width:100%;height:auto;}
}

/* ---------- 组件响应式 ---------- */
@media only screen and (max-width:1180px){
	.ch-topbar{display:none;}
	.ch-hero-inner{grid-template-columns:1fr;gap:26px;padding:40px 16px 36px;}
	.ch-hero h1{font-size:28px;}
	.ch-hero-lead{font-size:15px;}
	.ch-hero-stats{gap:18px;}
	.ch-hero-stats div strong{font-size:19px;}
	.ch-section,.ch-section--soft > .ch-section-inner{padding:34px 16px;}
	.ch-section h2{font-size:23px;}
	.ch-cat-grid,.ch-trust-grid,.ch-prod-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
	.ch-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;padding:30px 16px 22px;}
	.ch-cta-inner{padding:26px 16px;}
	.ch-cta-title{font-size:19px;}
	.ch-crumb{padding:12px 16px 0;}
	/* 移动端给底部固定条留出空间 */
	body{padding-bottom:62px !important;}
	.ch-float{display:grid;}
	.ch-totop{bottom:82px;right:12px;width:38px;height:38px;}
	.ch-form{padding:20px;}
}
@media only screen and (max-width:640px){
	.ch-cat-grid,.ch-trust-grid,.ch-prod-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
	.ch-cat-card,.ch-trust-item{padding:16px 13px;}
	.ch-cat-card h3{font-size:15px;}
	.ch-hero h1{font-size:24px;}
	.ch-section h2{font-size:21px;}
	.ch-form-row,.ch-contact-grid{grid-template-columns:1fr;gap:0;}
	.ch-footer-grid{grid-template-columns:1fr 1fr;}
	.ch-cta-inner{flex-direction:column;align-items:flex-start;}
	.ch-cta-points{gap:12px;}
	.ch-btn{padding:10px 16px;font-size:13px;}
}
@media only screen and (max-width:380px){
	.ch-cat-grid,.ch-trust-grid,.ch-prod-grid{grid-template-columns:1fr;}
	.ch-float a{font-size:11px;}
}
/* =============================================================
   重点页 v2 版式（首页 / 核心业务页 / 联系询盘页）
   ============================================================= */

/* 桌面导航：去掉老式双 h2 上移动画，改为稳定高亮 */
@media only screen and (min-width:1181px){
	.nav_a a{height:79px !important;top:0 !important;transition:background .2s ease;}
	.nav_a a:hover,.nav_a .nav_act a,.nav_a .nav_act a:hover{top:0 !important;background:#0b5cab !important;}
	.nav_a a h2{height:79px;padding:19px 0;}
	.nav_a a h2 i{font-size:14px;}
	.nav_a a h2 span{font-size:10px;}
	.nav_a a:hover i,.nav_a a:hover span,.nav_a li.nav_act i,.nav_a li.nav_act span{color:#fff;}
	.p1_middle li,.p1_list li,.p2_middle li,.p3_middle li{
		background:#fff !important;background-image:none !important;
		border:1px solid var(--ch-line);border-radius:10px;box-shadow:var(--ch-shadow-sm);
	}
}
.ch-header{background:#fff;}
.ch-logo{float:left;margin:18px 0 0 20px;}
.ch-logo a{display:inline-block;line-height:0;}

/* 两列内容 / 选项卡 */
.ch-about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start;}
.ch-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.ch-tabs button{
	font-family:inherit;font-size:13px;padding:7px 14px;border:1px solid var(--ch-line);
	background:#fff;color:var(--ch-muted);border-radius:20px;cursor:pointer;transition:all .18s ease;
}
.ch-tabs button:hover{border-color:var(--ch-brand);color:var(--ch-brand);}
.ch-tabs button.active{background:var(--ch-brand);border-color:var(--ch-brand);color:#fff;}
.ch-tab-panels{background:#fff;border:1px solid var(--ch-line);border-radius:12px;padding:22px;box-shadow:var(--ch-shadow-sm);min-height:220px;}
.index1_list p{font-size:15px;line-height:1.85;color:var(--ch-muted);margin:10px 0 0;}
.index1_list strong{font-size:17px;color:var(--ch-ink);}
.index1_list img{max-width:100%;height:auto;}
.ch-banner-img{background:#fff;border:1px solid var(--ch-line);border-radius:12px;padding:10px;box-shadow:var(--ch-shadow-sm);}
.ch-banner-img img{width:100%;height:auto;display:block;border-radius:8px;}

/* 新闻 / 图片 */
.ch-news-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;}
.ch-list{background:#fff;border:1px solid var(--ch-line);border-radius:12px;padding:20px 22px;box-shadow:var(--ch-shadow-sm);}
.ch-list h2{font-size:19px;margin:0 0 12px;color:var(--ch-ink);}
.ch-list ul{list-style:none;margin:0;padding:0;}
.ch-list li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;border-bottom:1px dashed var(--ch-line);font-size:14px;}
.ch-list li:last-child{border-bottom:0;}
.ch-list li a{color:var(--ch-ink);line-height:1.6;}
.ch-list li a:hover{color:var(--ch-brand);text-decoration:underline;}
.ch-list li time{color:#94a2b1;font-size:12px;white-space:nowrap;}
.ch-list .ch-more{display:inline-block;margin-top:14px;font-size:13px;color:var(--ch-brand);}
.ch-photo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
.ch-photo-grid a{display:block;}
.ch-photo-grid img{width:100%;height:132px;object-fit:cover;border-radius:8px;border:1px solid var(--ch-line);}

/* 内页文字 Hero（替代图片式栏目标题，让 H1 可被检索） */
.ch-page-hero{background:linear-gradient(112deg,#084785 0%,#0b5cab 70%,#1176c9 100%);color:#fff;}
.ch-page-hero-inner{max-width:1100px;margin:0 auto;padding:34px 16px 30px;}
.ch-page-hero h1{font-size:28px;font-weight:700;margin:0 0 10px;color:#fff;}
.ch-page-hero p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.88);margin:0;max-width:820px;}
.ch-page-hero .ch-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.ch-page-hero .ch-tags a{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff;border-radius:20px;padding:4px 13px;font-size:12px;}
.ch-page-hero .ch-tags a:hover{background:rgba(255,255,255,.26);color:#fff;}

/* 联系页 / 询盘页 */
.ch-two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start;}
.ch-steps{background:#fff;border:1px solid var(--ch-line);border-radius:12px;padding:20px 22px;box-shadow:var(--ch-shadow-sm);margin-top:16px;}
.ch-steps h3{font-size:16px;margin:0 0 12px;}
.ch-steps ol{margin:0;padding-left:20px;color:var(--ch-muted);font-size:14px;line-height:2;}
.ch-quick{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}

/* 移动端补充 */
@media only screen and (max-width:1180px){
	.ch-logo{float:none;margin:0;height:64px;display:flex;align-items:center;padding-left:16px;}
	.ch-logo a{display:inline-flex;align-items:center;}
	.ch-logo img{width:auto !important;height:38px !important;max-width:68vw;}
	.ch-about-grid,.ch-two-col,.ch-news-grid{grid-template-columns:1fr;gap:18px;}
	.ch-page-hero-inner{padding:26px 16px 24px;}
	.ch-page-hero h1{font-size:23px;}
	.ch-photo-grid img{height:110px;}
	.ch-float{display:grid;}
}
@media only screen and (max-width:640px){
	.ch-page-hero h1{font-size:20px;}
	.ch-tabs button{font-size:12px;padding:6px 11px;}
	.ch-tab-panels{padding:16px;}
	.ch-photo-grid img{height:96px;}
	.ch-list{padding:16px;}
}

/* 图片式栏目标题 -> 文字 H1（原图片保留在 HTML 中，仅不展示） */
.title{
	max-width:1100px !important;
	width:auto !important;
	margin:28px auto 20px !important;
	padding:0 16px;
	box-sizing:border-box;
	text-align:left !important;
}
.title > img{display:none !important;}
.ch-title-h1{
	font-size:26px;font-weight:700;line-height:1.4;margin:0;
	color:var(--ch-ink);
	border-left:4px solid var(--ch-brand);
	padding:2px 0 2px 14px;
}
@media only screen and (max-width:768px){
	.title{margin:18px auto 14px !important;}
	.ch-title-h1{font-size:20px;}
}

@media print{
	.ch-topbar,.ch-float,.ch-totop,.ch-cta-band,.ch-skip{display:none !important;}
	body{padding:0 !important;}
	.ch-footer{background:#fff;color:#333;border-top:1px solid #ccc;}
}