/* ===== 基础与设计变量 ===== */
:root{
  --primary:#1457D3;
  --primary-deep:#0B2E7A;
  --primary-soft:#EAF1FE;
  --accent:#FF6B2C;
  --ink:#101C33;
  --muted:#5A6B85;
  --ivory:#F6F4EF;
  --line:#E3E9F2;
  --bg:#FFFFFF;
  --navy:#0A1E4E;
  --radius:16px;
  --shadow:0 10px 30px rgba(11,46,122,.08);
  --font:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{scroll-margin-top:76px}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}

/* ===== 顶部导航 ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s}
.site-header.scrolled{box-shadow:0 4px 20px rgba(11,46,122,.08);border-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{height:38px;width:auto}
.nav{display:flex;align-items:center;gap:34px}
.nav a{font-size:15px;font-weight:500;color:var(--ink);position:relative;padding:6px 0;transition:color .2s}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);border-radius:2px;transition:width .25s}
.nav a:hover{color:var(--primary)}
.nav a:hover::after{width:100%}
.header-right{display:flex;align-items:center;gap:18px;flex-shrink:0}
.header-tel{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--primary-deep);font-size:16px}
.header-tel svg{width:18px;height:18px;stroke:var(--primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-weight:700;border-radius:999px;cursor:pointer;border:none;transition:all .25s;font-size:15px;line-height:1}
.btn-solid{background:var(--primary);color:#fff;padding:13px 28px}
.btn-solid:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:0 8px 20px rgba(20,87,211,.3)}
.btn-accent{background:var(--accent);color:#fff;padding:12px 26px}
.btn-accent:hover{background:#E45516;transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,107,44,.35)}
.btn-ghost{background:transparent;color:#fff;padding:12px 26px;border:1.5px solid rgba(255,255,255,.75)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.menu-btn{display:none;background:none;border:none;cursor:pointer;padding:8px;border-radius:8px}
.menu-btn svg{width:26px;height:26px;stroke:var(--ink)}
.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line);box-shadow:0 14px 30px rgba(11,46,122,.12)}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:15px 24px;font-size:16px;font-weight:500;border-bottom:1px solid #F0F3F9;color:var(--ink)}
.mobile-nav a:hover{color:var(--primary);background:var(--primary-soft)}
.mobile-nav .m-tel{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--primary-deep);background:var(--ivory)}

/* ===== 轮播横幅 ===== */
.hero{position:relative;height:620px;margin-top:72px;overflow:hidden;background:var(--navy)}
.slider{position:relative;height:100%}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .8s ease,transform .8s ease}
.slide.active{opacity:1;visibility:visible;z-index:2}
.slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slide img.s-img-v{display:none}
.s-scrim{position:absolute;inset:0}
.slide[data-accent="blue"] .s-scrim{background:linear-gradient(90deg,rgba(9,27,66,.88) 0%,rgba(9,27,66,.55) 46%,rgba(9,27,66,.08) 100%)}
.slide[data-accent="orange"] .s-scrim{background:linear-gradient(90deg,rgba(18,24,54,.88) 0%,rgba(18,24,54,.5) 46%,rgba(18,24,54,.06) 100%)}
.s-content{position:relative;z-index:3;max-width:1200px;margin:0 auto;padding:0 24px;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.s-kicker{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:700;letter-spacing:.12em;color:#9DB9F5;margin-bottom:18px}
.s-kicker::before{content:"";width:28px;height:2px;background:var(--accent);border-radius:2px}
.slide[data-accent="blue"] .s-kicker{color:#9DB9F5}
.slide[data-accent="orange"] .s-kicker{color:#FFB38A}
.s-title{font-size:52px;font-weight:900;line-height:1.22;color:#fff;text-wrap:balance;max-width:640px;letter-spacing:.01em}
.s-sub{font-size:18px;color:rgba(255,255,255,.86);margin-top:16px;max-width:520px}
.s-cta{display:flex;gap:14px;margin-top:34px}
.s-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .25s;backdrop-filter:none}
.s-arrow:hover{background:rgba(255,255,255,.32)}
.s-arrow svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.s-arrow.prev{left:26px}
.s-arrow.next{right:26px}
.s-dots{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:5;display:flex;gap:10px}
.s-dots button{width:10px;height:10px;border-radius:999px;border:none;background:rgba(255,255,255,.4);cursor:pointer;padding:0;transition:all .3s}
.s-dots button.active{width:28px;background:var(--accent)}
.s-count{position:absolute;right:30px;bottom:20px;z-index:5;color:rgba(255,255,255,.7);font-size:13px;font-weight:500;letter-spacing:.06em}

/* ===== 通用区块 ===== */
.section{padding:96px 0}
.section-head{max-width:640px;margin:0 auto 52px;text-align:center}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--primary);background:var(--primary-soft);padding:6px 16px;border-radius:999px;margin-bottom:16px}
.section-title{font-size:36px;font-weight:900;line-height:1.3;color:var(--ink);text-wrap:balance}
.section-desc{color:var(--muted);margin-top:14px;font-size:16px}

/* ===== 业务范围 ===== */
.services{background:var(--bg)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:all .3s;position:relative;overflow:hidden;cursor:pointer}
.svc-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),#5B8DEF);opacity:0;transition:opacity .3s}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#C9DBFA}
.svc-card:hover::before{opacity:1}
.svc-icon{width:54px;height:54px;border-radius:14px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:all .3s}
.svc-card:hover .svc-icon{background:var(--primary)}
.svc-icon svg{width:26px;height:26px;stroke:var(--primary);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:stroke .3s}
.svc-card:hover .svc-icon svg{stroke:#fff}
.svc-name{font-size:19px;font-weight:700;margin-bottom:8px}
.svc-desc{font-size:14px;color:var(--muted);line-height:1.65}
.svc-num{position:absolute;right:20px;top:18px;font-size:13px;font-weight:900;color:#E2EAFB;letter-spacing:.05em}

/* ===== 核心优势 ===== */
.why{background:var(--ivory);border-top:1px solid #EFEBE1;border-bottom:1px solid #EFEBE1}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.why-card{background:#fff;border-radius:var(--radius);padding:28px 24px;box-shadow:0 4px 16px rgba(11,46,122,.05);transition:transform .3s}
.why-card:hover{transform:translateY(-5px)}
.why-icon{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#3D76E8);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.why-icon svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.why-name{font-size:17px;font-weight:700;margin-bottom:6px}
.why-desc{font-size:13.5px;color:var(--muted);line-height:1.6}

/* ===== 新闻资讯 ===== */
.news{background:var(--bg)}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:all .3s;cursor:pointer}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#C9DBFA}
.news-thumb{position:relative;height:170px;overflow:hidden;background:var(--primary-soft)}
.news-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.news-card:hover .news-thumb img{transform:scale(1.08)}
.news-thumb .n-date{position:absolute;right:12px;bottom:12px;background:rgba(255,255,255,.92);color:var(--primary-deep);font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-tag{font-size:12px;font-weight:700;color:var(--primary);background:var(--primary-soft);align-self:flex-start;padding:3px 10px;border-radius:6px;margin-bottom:10px}
.news-title{font-size:15.5px;font-weight:700;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-excerpt{font-size:13px;color:var(--muted);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{margin-top:auto;padding-top:14px;font-size:13px;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:5px}
.news-more svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s}
.news-card:hover .news-more svg{transform:translateX(4px)}

/* ===== 页脚 ===== */
.footer{background:var(--navy);color:#C6D2EA;padding:72px 0 0}
.footer-top{display:flex;gap:56px;padding-bottom:46px}
.f-brand{flex-shrink:0;max-width:380px}
.f-about{font-size:14px;color:#9FB0D2;line-height:1.8}
.f-nav{flex:1;display:flex;flex-direction:column;gap:26px;justify-content:center;min-width:0}
.f-nav-row{display:flex;align-items:center;gap:18px}
.f-nav-label{font-size:15px;font-weight:700;color:#fff;flex-shrink:0;min-width:72px;position:relative;padding-left:14px}
.f-nav-label::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:14px;background:var(--accent);border-radius:2px}
.f-links-row{display:flex;flex-wrap:wrap;align-items:center;gap:0}
.f-links-row a{font-size:14px;color:#9FB0D2;padding:4px 20px;border-right:1px solid rgba(255,255,255,.14);transition:color .2s;white-space:nowrap}
.f-links-row a:first-child{padding-left:0}
.f-links-row a:last-child{border-right:none;padding-right:0}
.f-links-row a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:14px 24px;flex-wrap:wrap;font-size:13px;color:#8FA0C4}
.f-biz{display:flex;align-items:center;flex-wrap:wrap}
.f-biz-item{display:flex;align-items:center;gap:7px;color:#8FA0C4;padding:0 18px;border-right:1px solid rgba(255,255,255,.12)}
.f-biz-item:first-child{padding-left:0}
.f-biz-item:last-child{border-right:none;padding-right:0}
.f-biz-item svg{width:15px;height:15px;stroke:#7FA0E8;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.f-biz-item a{color:#8FA0C4;transition:color .2s}
.f-biz-item a:hover{color:#fff}
.f-biz-item b{color:#DCE5F7;font-weight:700}

/* ===== 子页面视图 ===== */
.view{display:none}
.view.active{display:block}
.nav a.active{color:var(--primary)}
.nav a.active::after{width:100%}
.page-head{background:linear-gradient(135deg,var(--primary-deep) 0%,var(--primary) 100%);color:#fff;padding:74px 0 58px;margin-top:72px;position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.06)}
.page-head::before{content:"";position:absolute;right:120px;bottom:-120px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.04)}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.75);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.breadcrumb a{color:rgba(255,255,255,.75);transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb svg{width:13px;height:13px;stroke:rgba(255,255,255,.6);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.page-title{font-size:36px;font-weight:900;line-height:1.3;color:#fff;text-wrap:balance}
.page-sub{font-size:15px;color:rgba(255,255,255,.85);margin-top:12px;max-width:640px}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.about-text h3{font-size:26px;font-weight:900;color:var(--ink);margin-bottom:18px;line-height:1.4}
.about-text p{color:var(--muted);font-size:15px;line-height:2;margin-bottom:14px}
.about-text p b{color:var(--primary-deep)}
.about-facts{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.fact-card{background:var(--primary-soft);border-radius:14px;padding:20px 22px}
.fact-card h4{font-size:15px;font-weight:700;color:var(--primary-deep);margin-bottom:6px}
.fact-card p{font-size:13px;color:var(--muted);line-height:1.6;margin:0}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stat-card{text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 16px}
.stat-num{font-size:34px;font-weight:900;color:var(--primary);line-height:1.2}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px}
.mv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mv-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;text-align:center;transition:all .3s}
.mv-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#C9DBFA}
.mv-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#3D76E8);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.mv-icon svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.mv-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.mv-card p{font-size:13.5px;color:var(--muted);line-height:1.7}
.timeline{max-width:860px;margin:0 auto}
.tl-row{display:grid;grid-template-columns:150px 40px 1fr;gap:0}
.tl-time{text-align:right;padding:6px 18px 34px 0;font-size:15px;font-weight:700;color:var(--primary-deep)}
.tl-axis{position:relative;justify-self:center;width:2px;background:var(--line)}
.tl-row:last-child .tl-axis{background:linear-gradient(180deg,var(--line),transparent)}
.tl-dot{position:absolute;top:10px;left:50%;transform:translateX(-50%);width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary)}
.tl-content{padding:2px 0 34px 18px}
.tl-content h4{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px}
.tl-content p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* 服务详情 */
.svc-detail-hero{background:linear-gradient(135deg,var(--primary-deep),var(--primary));border-radius:20px;color:#fff;padding:46px 48px;position:relative;overflow:hidden}
.svc-detail-hero .d-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;background:rgba(255,255,255,.16);padding:5px 14px;border-radius:999px;margin-bottom:16px}
.svc-detail-hero h2{font-size:30px;font-weight:900;margin-bottom:10px}
.svc-detail-hero p{color:rgba(255,255,255,.88);font-size:15px;max-width:640px;line-height:1.8}
.d-section{margin-top:56px}
.d-section-title{font-size:22px;font-weight:900;color:var(--ink);margin-bottom:24px;position:relative;padding-left:16px}
.d-section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--accent)}
.d-features{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.d-feature{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;transition:all .3s}
.d-feature:hover{border-color:#C9DBFA;box-shadow:var(--shadow)}
.d-feature .f-icon{width:40px;height:40px;border-radius:10px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.d-feature .f-icon svg{width:20px;height:20px;stroke:var(--primary);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.d-feature h4{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:4px}
.d-feature p{font-size:13.5px;color:var(--muted);line-height:1.65}
.d-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.d-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 22px;text-align:center}
.d-step-num{width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;font-weight:900;font-size:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.d-step h4{font-size:15px;font-weight:700;margin-bottom:6px}
.d-step p{font-size:12.5px;color:var(--muted);line-height:1.6}
.d-cta{background:var(--ivory);border:1px solid #EFEBE1;border-radius:20px;padding:40px;text-align:center;margin-top:56px}
.d-cta h3{font-size:22px;font-weight:900;margin-bottom:8px}
.d-cta p{color:var(--muted);font-size:14px;margin-bottom:22px}
.d-back{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary);margin-bottom:26px}
.d-back svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* 新闻列表 */
.news-list{display:flex;flex-direction:column;gap:26px}
.nl-row{display:flex;gap:0;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .3s;cursor:pointer}
.nl-row:hover{border-color:#C9DBFA;box-shadow:var(--shadow);transform:translateY(-3px)}
.nl-thumb{flex:0 0 330px;position:relative;min-height:210px}
.nl-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.nl-main{flex:1;min-width:0;padding:32px 38px 32px 0;display:flex;flex-direction:column;justify-content:center}
.nl-top{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.nl-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--primary);background:var(--primary-soft);padding:3px 10px;border-radius:6px}
.nl-date{font-size:13px;color:var(--muted)}
.nl-main h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:12px;line-height:1.5}
.nl-main p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.nl-more{font-size:13px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.nl-more::after{content:"";width:14px;height:14px;background:var(--primary);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='M12 5l7 7-7 7'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='M12 5l7 7-7 7'/%3E%3C/svg%3E") center/contain no-repeat}
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:38px;flex-wrap:wrap}
.pg-btn{min-width:42px;height:42px;padding:0 16px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}
.pg-btn:hover:not(.disabled):not(.active){border-color:var(--primary);color:var(--primary)}
.pg-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}
.pg-btn.disabled{opacity:.4;cursor:not-allowed}

/* 新闻详情 */
.article{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:48px 56px}
.article h1{font-size:26px;font-weight:900;line-height:1.45;margin-bottom:16px;color:var(--ink)}
.article-meta{display:flex;align-items:center;gap:14px;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:26px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.article-meta .a-tag{color:var(--primary);font-weight:700;background:var(--primary-soft);padding:3px 10px;border-radius:6px}
.article-body p{font-size:15px;color:#3D4A63;line-height:2.05;margin-bottom:18px}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:26px 0 12px}
.article-body ul{padding-left:0;margin-bottom:18px;list-style:none}
.article-body ul li{font-size:15px;color:#3D4A63;line-height:2;padding-left:22px;position:relative}
.article-body ul li::before{content:"";position:absolute;left:0;top:13px;width:8px;height:8px;border-radius:2px;background:var(--primary)}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.article-nav a{font-size:13.5px;color:var(--primary);font-weight:700;display:inline-flex;align-items:center;gap:6px;max-width:46%}
.article-nav a svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.article-nav a span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-nav a.next{justify-content:flex-end;margin-left:auto;text-align:right}
.article-nav a:hover{color:var(--primary-deep)}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:1fr;gap:20px;align-items:start}
.c-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.c-card{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;transition:all .3s}
.c-card:hover{border-color:#C9DBFA;box-shadow:var(--shadow)}
.c-card .c-icon{width:48px;height:48px;border-radius:12px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.c-card .c-icon svg{width:22px;height:22px;stroke:var(--primary);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.c-card h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:6px}
.c-card p{font-size:14px;color:var(--muted);line-height:1.7}
.c-card p a{color:var(--primary);font-weight:700}
.c-card p a:hover{color:var(--primary-deep)}
.c-form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 36px}
.c-form h3{font-size:20px;font-weight:900;margin-bottom:6px}
.c-form .f-tip{font-size:13px;color:var(--muted);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-field label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:8px}
.form-field input,.form-field textarea{width:100%;font-family:inherit;font-size:15px;color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:12px 16px;background:#FBFCFE;transition:border-color .2s}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--primary);background:#fff}
.form-field textarea{resize:vertical;min-height:120px}
.form-submit{width:100%;margin-top:8px}

/* 关注我们 */
.follow-intro{text-align:center;max-width:620px;margin:0 auto 48px}
.follow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.follow-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;text-align:center;transition:all .3s}
.follow-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#C9DBFA}
.follow-card .qr-box{width:170px;height:170px;margin:0 auto 18px;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center}
.follow-card img{width:100%;height:100%;object-fit:contain}
.follow-card h3{font-size:16px;font-weight:700;margin-bottom:6px}
.follow-card p{font-size:12.5px;color:var(--muted);line-height:1.6}
.follow-card .f-brand-mark{display:inline-block;font-size:11px;font-weight:700;color:var(--primary);background:var(--primary-soft);padding:3px 10px;border-radius:999px;margin-top:10px}

/* 响应式补充 */
@media (max-width:1024px){
  .nav{gap:22px}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .d-steps{grid-template-columns:repeat(2,1fr)}
  .follow-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:36px}
}
@media (max-width:768px){
  .page-head{margin-top:62px;padding:56px 0 46px}
  .page-title{font-size:28px}
  .about-stats{grid-template-columns:repeat(3,1fr);gap:10px}
  .stat-num{font-size:26px}
  .mv-grid{grid-template-columns:1fr;gap:14px}
  .timeline{max-width:100%}
  .tl-row{grid-template-columns:84px 30px 1fr}
  .tl-time{font-size:13px;padding-right:10px}
  .tl-content{padding-left:12px}
  .svc-detail-hero{padding:32px 26px}
  .svc-detail-hero h2{font-size:24px}
  .d-section{margin-top:44px}
  .d-features{grid-template-columns:1fr}
  .d-steps{grid-template-columns:1fr 1fr;gap:12px}
  .d-step{padding:20px 14px}
  .d-cta{padding:28px 20px}
  .article{padding:28px 22px}
  .article h1{font-size:21px}
  .nl-row{flex-direction:column;gap:0}
  .nl-thumb{flex:none;width:100%;height:210px}
  .nl-main{padding:22px 24px 24px}
  .contact-grid{gap:16px}
  .c-cards{grid-template-columns:1fr}
  .c-card{padding:20px 18px}
  .follow-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .follow-card{padding:22px 14px}
  .follow-card .qr-box{width:130px;height:130px}
  .article-nav{flex-direction:column}
  .article-nav a{max-width:100%}
}

/* ===== 返回顶部 ===== */
#backTop{position:fixed;right:26px;bottom:30px;width:46px;height:46px;border-radius:50%;background:var(--primary);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .3s;z-index:90;box-shadow:0 8px 20px rgba(20,87,211,.35)}
#backTop.show{opacity:1;visibility:visible}
#backTop:hover{background:var(--primary-deep)}
#backTop svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

/* ===== Toast ===== */
.toast{position:fixed;left:50%;bottom:36px;transform:translate(-50%,80px);background:var(--ink);color:#fff;font-size:14px;padding:13px 24px;border-radius:12px;opacity:0;transition:all .35s;z-index:200;box-shadow:0 10px 30px rgba(0,0,0,.25);max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .s-title{font-size:42px}
}
@media (max-width:768px){
  .header-inner{height:62px}
  .hero{margin-top:62px;height:100svh;min-height:560px}
  .slide img.s-img-h{display:none}
  .slide img.s-img-v{display:block;object-position:center 25%}
  .slide[data-accent="blue"] .s-scrim{background:linear-gradient(180deg,rgba(9,27,66,.9) 0%,rgba(9,27,66,.55) 38%,rgba(9,27,66,.05) 70%)}
  .slide[data-accent="orange"] .s-scrim{background:linear-gradient(180deg,rgba(18,24,54,.9) 0%,rgba(18,24,54,.55) 38%,rgba(18,24,54,.05) 70%)}
  .s-content{justify-content:flex-start;padding-top:10vh}
  .s-title{font-size:34px;max-width:100%}
  .s-sub{font-size:15px;margin-top:12px}
  .s-cta{margin-top:26px}
  .s-arrow{display:none}
  .s-count{display:none}
  .nav,.header-tel{display:none}
  .menu-btn{display:flex}
  .section{padding:68px 0}
  .section-title{font-size:28px}
  .section-head{margin-bottom:38px}
  .services-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .svc-card{padding:22px 18px}
  .svc-icon{width:46px;height:46px}
  .svc-icon svg{width:23px;height:23px}
  .svc-name{font-size:16px}
  .svc-desc{font-size:14px}
  .why-grid{grid-template-columns:1fr 1fr;gap:14px}
  .why-card{padding:22px 18px}
  .why-desc{font-size:14px}
  .news-grid{grid-template-columns:1fr;gap:16px}
  .news-card:nth-child(n+2){display:none}
  .news-thumb{height:170px}
  .news-title{font-size:16.5px}
  .news-excerpt{font-size:14px}
  .footer-top{flex-direction:column;gap:0;padding-bottom:0}
  .f-brand{max-width:none}
  .f-nav{display:none}
  .f-biz{justify-content:center}
  .footer-bottom{justify-content:center;text-align:center}
  .footer{padding-top:56px}
  .btn-solid{padding:12px 24px;font-size:14px}
  .btn-ghost{padding:11px 22px;font-size:14px}
}
@media (max-width:420px){
  .services-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
  html{scroll-behavior:auto}
}


/* ===== CMS 补充：搜索页 / 单页栏目 / 分页适配 ===== */
.search-form{display:flex;gap:12px;max-width:560px;margin:0 auto 34px}
.search-form input{flex:1;font-family:inherit;font-size:15px;color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:13px 22px;background:#fff;transition:border-color .2s}
.search-form input:focus{outline:none;border-color:var(--primary)}
.search-tip{text-align:center;color:var(--muted);font-size:14px;margin-bottom:26px}
.page-content{background:#fff;border:1px solid var(--line);border-radius:20px;padding:44px 48px;font-size:15px;color:#3D4A63;line-height:2.05}
.page-content img{max-width:100%;height:auto;border-radius:12px;margin:12px 0}
.page-content h2,.page-content h3,.page-content h4{margin:22px 0 12px;color:var(--ink)}
.page-content a{color:var(--primary);font-weight:600}
.page-content ul{margin:12px 0 12px 20px}
.page-content li{margin-bottom:6px}
.article-back{text-align:center;margin-top:30px}
.pager a,.pager span{min-width:42px;height:42px;padding:0 16px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font-family:inherit;font-size:14px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;transition:all .2s}
.pager a:hover{border-color:var(--primary);color:var(--primary)}
.pager .current,.pager .active{background:var(--primary);border-color:var(--primary);color:#fff}
.pager .disabled{opacity:.4;cursor:not-allowed}
@media (max-width:768px){
  .search-form{flex-direction:column}
  .page-content{padding:24px 20px}
}