:root{
  --ink:#0B1F33;--ink-2:#14304C;--blue:#176CB7;--blue-d:#0E4B80;--blue-l:#E8F2FB;
  --green:#8CC63E;--green-d:#6FA328;
  --bg:#FFFFFF;--soft:#F5F8FA;--line:#E2EAF2;
  --text:#1B2B3B;--muted:#5D7488;--muted-2:#8A9CAC;
  --r-sm:8px;--r:12px;--r-lg:20px;
  --sh-1:0 2px 8px rgba(11,31,51,.06);
  --sh-2:0 12px 32px rgba(11,31,51,.10);
  --wrap:1200px;--hdh:76px;
  --ff:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
/* 注意：横向裁切只能放在 html 上（clip 不产生滚动容器）。
   若写在 body 上（overflow-x:hidden），body 会变成滚动容器，导致子元素 position:sticky 失效 */
html{scroll-behavior:smooth;overflow-x:hidden;overflow-x:clip}
body{font-family:var(--ff);color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
[id]{scroll-margin-top:calc(var(--hdh) + 14px)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- header（滚动时固定：sticky 为主，JS 兜底 fixed） ---------- */
.hd{position:-webkit-sticky;position:sticky;top:0;left:0;right:0;z-index:60;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);transition:box-shadow .25s,background .25s}
.hd.stuck{background:#fff;box-shadow:0 6px 22px rgba(11,31,51,.10)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo img{height:40px;width:auto}
.logo-txt strong{display:block;font-size:17px;letter-spacing:.02em;color:var(--ink);line-height:1.2}
.logo-txt span{display:block;font-size:11px;color:var(--muted-2);letter-spacing:.14em}
.nav{display:flex;gap:6px;align-items:center}
.nav a{position:relative;white-space:nowrap;padding:10px 14px;font-size:15px;color:#2A3E52;border-radius:6px;transition:color .2s,background .2s}
.nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .22s}
.nav a:hover{color:var(--blue)}
.nav a:hover::after,.nav a.on::after{transform:scaleX(1)}
.nav a.on{color:var(--blue);font-weight:500}
.nav a.m-only{display:none}
.hd-cta{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.hd-links{display:flex;align-items:center;gap:11px;font-size:14px;color:var(--text);line-height:1}
.hd-links .sep{width:1px;height:13px;background:#C6D5E2}
.hd-links a{color:var(--text);font-weight:500;white-space:nowrap;transition:color .2s}
.hd-links a:hover{color:var(--blue)}
.hd-links a.tel{letter-spacing:.01em}
.hd-links a.cs{color:var(--blue)}
.hd-links a.cs:hover{color:var(--blue-d)}
.hd-links a.hot{color:var(--green-d)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:6px;font-size:14px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:all .2s;white-space:nowrap}
.btn-p{background:var(--blue);color:#fff}
.btn-p:hover{background:var(--blue-d)}
.btn-g{background:var(--green);color:#12300A}
.btn-g:hover{background:var(--green-d)}
.btn-o{background:transparent;color:var(--ink);border-color:#CBD8E4}
.btn-o:hover{border-color:var(--blue);color:var(--blue)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid #C6D5E2;border-radius:8px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
.menu-toggle i{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.menu-toggle i::before,.menu-toggle i::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.menu-toggle i::before{top:-6px}.menu-toggle i::after{top:6px}

/* ---------- hero ---------- */
.hero{position:relative;min-height:560px;display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--ink)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5}
.hero-shade{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,24,40,.94) 0%,rgba(8,24,40,.78) 46%,rgba(8,24,40,.34) 100%)}
.hero .wrap{position:relative;z-index:2;padding-top:76px;padding-bottom:92px;width:100%}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.16em;color:#9FC3E4;margin-bottom:22px}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--green)}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.22;font-weight:600;letter-spacing:-.01em;max-width:16em}
.hero h1 em{font-style:normal;color:var(--green)}
.hero p{margin-top:20px;font-size:17px;color:#C9D9E7;max-width:34em;line-height:1.9}
.hero-act{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{margin-top:56px;display:flex;gap:0;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.16);padding-top:24px}
.hero-meta div{padding-right:46px;margin-right:46px;border-right:1px solid rgba(255,255,255,.14)}
.hero-meta div:last-child{border:none;margin:0;padding:0}
.hero-meta b{display:block;font-size:30px;line-height:1.2;font-weight:600;letter-spacing:-.02em}
.hero-meta b i{font-style:normal;font-size:16px;color:var(--green);margin-left:2px}
.hero-meta span{font-size:13px;color:#9FB4C7}

/* 首页轮播 */
.hs-track{position:absolute;inset:0;z-index:0}
.hs-item{position:absolute;inset:0;opacity:0;transition:opacity .9s ease}
.hs-item.on{opacity:1}
.hs-item .hero-bg{opacity:.5}
.hs-arw{position:absolute;top:50%;margin-top:-23px;z-index:4;width:46px;height:46px;display:none;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.32);border-radius:50%;background:rgba(8,24,40,.32);color:#fff;cursor:pointer;transition:.25s;backdrop-filter:blur(4px)}
.hs-arw:hover{background:var(--blue);border-color:var(--blue)}
.hs-arw.prev{left:26px}.hs-arw.next{right:26px}
.hero-c.has-multi .hs-arw{display:flex}
.hs-dots{position:absolute;left:50%;transform:translateX(-50%);bottom:24px;z-index:4;display:none;align-items:center;gap:9px}
.hero-c.has-multi .hs-dots{display:flex}
.hs-dots i{display:block;width:26px;height:3px;border-radius:2px;background:rgba(255,255,255,.34);cursor:pointer;transition:.3s}
.hs-dots i.on{width:40px;background:var(--green)}
.hero-c .wrap{transition:opacity .35s ease;text-align:center}
.hero-c.switching .wrap{opacity:0}
.hero-c .eyebrow{justify-content:center;margin-left:auto;margin-right:auto}
.hero-c h1{margin-left:auto;margin-right:auto;max-width:20em}
.hero-c p{margin-left:auto;margin-right:auto;max-width:40em}
.hero-c .hero-act{justify-content:center}
.hero-c .hero-meta{justify-content:center;padding-left:0}
.hero-c .hero-meta div{padding:0 46px;margin:0}
.hero-c .hero-meta div:first-child{padding-left:0}
.hero-c .hero-meta div:last-child{padding-right:0}

/* page hero (inner pages, shorter) */
.phero{position:relative;min-height:320px;display:flex;align-items:center;justify-content:center;color:#fff;background:var(--ink);overflow:hidden}
.phero .hero-bg{opacity:.34}
.phero .wrap{position:relative;z-index:2;width:100%;padding-top:64px;padding-bottom:64px;text-align:center}
.crumb{font-size:13px;color:#9FB4C7;margin-bottom:14px}
.crumb a:hover{color:#fff}
.phero h1{font-size:clamp(26px,3.2vw,38px);font-weight:600;line-height:1.3}
.phero p{margin:10px auto 0;color:#C2D3E2;font-size:15px;max-width:44em}

/* ---------- section ---------- */
.sec{padding:88px 0}
.sec.soft{background:var(--soft)}
.sec-h{display:flex;flex-direction:column;align-items:center;text-align:center;gap:0;margin-bottom:44px}
.sec-h .kicker{font-size:13px;letter-spacing:.16em;color:var(--blue);font-weight:500;margin-bottom:10px;display:flex;align-items:center;justify-content:center;gap:10px}
.sec-h .kicker::before{content:"";width:22px;height:2px;background:var(--green)}
.sec-h h2{font-size:clamp(24px,2.8vw,34px);font-weight:600;letter-spacing:-.01em;line-height:1.3;color:var(--ink)}
.sec-h .desc{color:var(--muted);font-size:15px;max-width:44em;margin-top:12px}
.sec-h .more{font-size:14px;color:var(--blue);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;margin-top:18px}
.sec-h .more:hover{gap:10px}

/* ---------- cards ---------- */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;transition:transform .25s,box-shadow .25s,border-color .25s;text-align:center}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFDFEE}
.card .ico{margin-left:auto;margin-right:auto}
.card ul{display:inline-block;text-align:left}
.ico{width:46px;height:46px;border-radius:10px;background:var(--blue-l);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.ico svg{width:24px;height:24px;stroke:var(--blue);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:9px}
.card p{font-size:14px;color:var(--muted);line-height:1.85}
.card ul{margin-top:12px;font-size:13px;color:var(--muted);list-style:none}
.card ul li{position:relative;padding-left:14px;margin-top:6px}
.card ul li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--green)}

/* product */
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.pcard .ph{height:206px;background:var(--soft);display:flex;align-items:center;justify-content:center;padding:20px;overflow:hidden}
.pcard .ph img{max-height:100%;object-fit:contain;transition:transform .4s}
.pcard:hover .ph img{transform:scale(1.05)}
.pcard .pb{padding:22px;flex:1;display:flex;flex-direction:column;text-align:center;align-items:center}
.pcard .tag{font-size:11px;letter-spacing:.12em;color:var(--blue);background:var(--blue-l);padding:4px 9px;border-radius:4px;align-self:center;margin-bottom:12px}
.pcard h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);margin-bottom:10px}
.pcard p{font-size:13px;color:var(--muted);line-height:1.8;flex:1}
.pcard .plink{margin-top:16px;font-size:13px;color:var(--blue);display:inline-flex;gap:6px;align-items:center}

/* case */
.ccard{position:relative;border-radius:var(--r);overflow:hidden;background:var(--ink);min-height:260px;display:flex;align-items:flex-end;transition:transform .25s}
.ccard:hover{transform:translateY(-4px)}
.ccard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.46;transition:transform .5s,opacity .3s}
.ccard:hover img{transform:scale(1.05);opacity:.56}
.ccard .cb{position:relative;padding:26px;color:#fff;width:100%;background:linear-gradient(to top,rgba(6,20,34,.92),rgba(6,20,34,0));text-align:center}
.ccard .cb span{font-size:12px;color:var(--green);letter-spacing:.1em}
.ccard .cb h3{font-size:17px;font-weight:600;margin-top:8px;line-height:1.5}
.ccard .cb p{font-size:13px;color:#B9CCDC;margin-top:8px;line-height:1.7}

/* news */
.nlist{display:grid;gap:0;border-top:1px solid var(--line)}
.nitem{display:grid;grid-template-columns:104px 1fr auto;gap:26px;align-items:center;padding:26px 4px;border-bottom:1px solid var(--line);transition:background .2s}
.nitem:hover{background:var(--soft)}
.ndate{text-align:center;border-right:1px solid var(--line);padding-right:8px}
.ndate b{display:block;font-size:26px;font-weight:600;color:var(--ink);line-height:1.1;letter-spacing:-.02em}
.ndate span{font-size:12px;color:var(--muted-2)}
.nitem h3{font-size:16px;font-weight:600;color:var(--ink);line-height:1.55}
.nitem h3:hover{color:var(--blue)}
.nitem p{font-size:13px;color:var(--muted);margin-top:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.nitem .arrow{color:var(--muted-2);font-size:18px}
.nitem:hover .arrow{color:var(--blue)}

/* feature split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split-rev{grid-template-columns:.95fr 1.05fr}
.split-media{border-radius:var(--r-lg);overflow:hidden;position:relative;background:var(--soft)}
.split-media img{width:100%;height:100%;object-fit:cover;min-height:360px}
.split-body h2{font-size:clamp(24px,2.6vw,32px);font-weight:600;line-height:1.35;color:var(--ink);margin-bottom:18px}
.split-body p{color:var(--muted);font-size:15px;line-height:1.95;margin-bottom:14px}
.klist{margin-top:22px;display:grid;gap:12px}
.klist div{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:#33475B}
.klist i{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:var(--green);color:#17300A;font-size:12px;font-style:normal;display:flex;align-items:center;justify-content:center;font-weight:700;margin-top:3px}

/* stats band */
.band{background:var(--ink);color:#fff;padding:64px 0}
.band .grid{gap:0}
.band .b{text-align:center;padding:8px 20px;border-right:1px solid rgba(255,255,255,.12)}
.band .b:last-child{border:none}
.band .b strong{display:block;font-size:42px;font-weight:600;line-height:1.1;letter-spacing:-.03em}
.band .b strong i{font-style:normal;font-size:20px;color:var(--green);margin-left:2px}
.band .b span{font-size:13px;color:#9FB4C7;letter-spacing:.06em}

/* timeline */
.tl{position:relative;margin-top:10px;padding-left:28px}
.tl::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:1px;background:var(--line)}
.tl .ti{position:relative;padding:0 0 34px 0}
.tl .ti:last-child{padding-bottom:0}
.tl .ti::before{content:"";position:absolute;left:-28px;top:7px;width:13px;height:13px;border-radius:50%;background:#fff;border:3px solid var(--blue)}
.tl .ti b{display:inline-block;font-size:13px;color:var(--blue);letter-spacing:.1em;margin-bottom:6px}
.tl .ti h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:6px}
.tl .ti p{font-size:14px;color:var(--muted);line-height:1.85}

/* steps */
.steps{counter-reset:s;display:grid;gap:20px;grid-template-columns:repeat(5,1fr)}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 20px;position:relative;counter-increment:s}
.step::before{content:counter(s,decimal-leading-zero);font-size:13px;font-weight:600;color:var(--blue);letter-spacing:.1em;display:block;margin-bottom:12px}
.step h3{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:8px}
.step p{font-size:13px;color:var(--muted);line-height:1.8}
.step::after{content:"";position:absolute;right:-11px;top:50%;width:14px;height:14px;border-top:1px solid #C9D8E6;border-right:1px solid #C9D8E6;transform:translateY(-50%) rotate(45deg)}
.step:last-child::after{display:none}

/* table */
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-1);font-size:14px}
.table th{background:var(--ink);color:#fff;font-weight:500;text-align:left;padding:16px 18px;font-size:13px;letter-spacing:.04em}
.table td{padding:16px 18px;border-bottom:1px solid var(--line);color:#33475B}
.table tr:last-child td{border-bottom:none}
.table tbody tr:hover{background:var(--soft)}

/* tabs */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.tabs button{padding:9px 18px;border-radius:20px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:14px;cursor:pointer;transition:all .2s}
.tabs button:hover{border-color:var(--blue);color:var(--blue)}
.tabs button.on{background:var(--ink);border-color:var(--ink);color:#fff}

/* cta */
.cta{background:linear-gradient(115deg,var(--ink) 0%,#14395C 62%,#1B4E7A 100%);color:#fff;padding:72px 0}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta h2{font-size:clamp(24px,2.6vw,32px);font-weight:600;line-height:1.35}
.cta p{color:#B9CCDC;margin-top:10px;font-size:15px}
.cta-act{display:flex;gap:14px;flex-wrap:wrap}

/* contact */
.cgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ccard2{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;transition:box-shadow .25s,transform .25s;text-align:center}
.ccard2:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.ccard2 .ico{margin-bottom:14px;margin-left:auto;margin-right:auto}
.ccard2 h3{font-size:14px;color:var(--muted);font-weight:400;margin-bottom:8px}
.ccard2 strong{font-size:18px;font-weight:600;color:var(--ink);display:block;line-height:1.5;word-break:break-all}
.ccard2 span{display:block;font-size:12px;color:var(--muted-2);margin-top:8px}
.form-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--sh-1)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:#3B5065;margin-bottom:8px}
.field label i{color:#D9483B;font-style:normal}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid #D8E3ED;border-radius:8px;background:#FBFCFD;font-size:14px;color:var(--text);transition:border-color .2s,background .2s;outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);background:#fff}
.field textarea{min-height:118px;resize:vertical}
.form-tip{font-size:12px;color:var(--muted-2);margin-top:12px;line-height:1.7}
.map{height:100%;min-height:420px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:
  repeating-linear-gradient(0deg,#EEF4F9 0 1px,transparent 1px 42px),
  repeating-linear-gradient(90deg,#EEF4F9 0 1px,transparent 1px 42px),#F8FBFD;
  display:flex;align-items:center;justify-content:center;position:relative}
.map .pin{text-align:center}
.map .pin b{display:block;font-size:15px;color:var(--ink)}
.map .pin span{font-size:13px;color:var(--muted)}
.map .dot{width:14px;height:14px;border-radius:50%;background:var(--blue);margin:0 auto 14px;box-shadow:0 0 0 8px rgba(23,108,183,.14)}

/* toast */
.toast{position:fixed;left:50%;bottom:40px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:14px 22px;border-radius:8px;font-size:14px;opacity:0;pointer-events:none;transition:all .28s;z-index:200;box-shadow:var(--sh-2)}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast.err{background:#B4362B}

/* flink */
.flink{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.flink a:hover{color:var(--blue)}

/* footer */
.ft{background:#081827;color:#93A9BC;font-size:14px;padding:64px 0 0}
.ft .ftop{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:44px;padding-bottom:48px}
.ft h4{color:#fff;font-size:14px;font-weight:500;margin-bottom:18px;letter-spacing:.05em}
.ft a:hover{color:#fff}
.ft ul{list-style:none;display:grid;gap:11px;font-size:13px}
.ft .brand img{height:38px;margin-bottom:16px}
.ft .brand p{font-size:13px;line-height:1.9;color:#8399AC;max-width:26em}
.ft .cinfo{display:grid;gap:10px;font-size:13px}
.ft .cinfo b{color:#fff;font-weight:500}
.ft .rec{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:center;gap:16px;flex-wrap:wrap;font-size:12px;color:#7B90A3;text-align:center}
.ft .rec-line{display:inline-block;line-height:1.9}
.ft .rec-line a{margin-right:18px}
.ft .rec a{color:#7B90A3}
.ft .rec a:hover{color:#fff}
.ft .qr{width:96px;height:96px;border-radius:8px;background:#fff;padding:4px}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.2,.7,.3,1),transform .6s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}

/* article */
.art{max-width:820px;margin:0 auto}
.art h1{font-size:clamp(24px,3vw,34px);line-height:1.4;font-weight:600;color:var(--ink);margin-bottom:16px}
.art .meta{font-size:13px;color:var(--muted-2);padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:32px}
.art .body{font-size:16px;line-height:2;color:#26374A}
.art .body p{margin-bottom:20px}
.art .body img{max-width:100%;height:auto;border-radius:var(--r);margin:20px 0}
.art .body h2,.art .body h3{font-size:19px;color:var(--ink);margin:28px 0 14px}


/* ---------- 单页栏目正文（/page.html） ---------- */
.spbody{font-size:16px;line-height:1.95;color:#26374A}
.spbody p{margin-bottom:18px}
.spbody h2{font-size:21px;color:var(--ink);margin:30px 0 14px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.spbody h3{font-size:18px;color:var(--ink);margin:24px 0 12px}
.spbody h4{font-size:16px;color:var(--ink);margin:20px 0 10px}
.spbody ul{margin:0 0 18px;padding-left:0;list-style:none}
.spbody li{position:relative;padding-left:20px;margin-bottom:10px}
.spbody li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.spbody ol{margin:0 0 18px;padding-left:22px}
.spbody img{max-width:100%;height:auto;border-radius:10px;margin:18px 0}
.spbody a{color:var(--blue);text-decoration:underline}
.spbody strong{color:var(--ink)}
.spbody blockquote{border-left:3px solid var(--blue);background:var(--blue-l);padding:14px 18px;border-radius:6px;margin:18px 0;color:#2A3E52}
.spbody table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
.spbody th,.spbody td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.spbody th{background:#F5F8FA;color:var(--ink);font-weight:600}

/* responsive */
@media (max-width:1080px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .cgrid{grid-template-columns:repeat(2,1fr)}
  .form-wrap{grid-template-columns:1fr;gap:32px}
  .map{min-height:300px}
  .ft .ftop{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  :root{--hdh:66px}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 16px 18px;gap:2px;box-shadow:var(--sh-2)}
  .nav.open{display:flex}
  .nav a{padding:13px 10px;border-radius:6px}
  .nav a::after{display:none}
  .nav a.on{background:var(--blue-l)}
  .nav a.m-only{display:block}
  .menu-toggle{display:inline-flex}
  .logo-txt{display:none}
  .hero p{font-size:15px}
  .hd-cta{gap:8px}
  .hd .wrap{height:66px}
  .hd-links{font-size:13px;gap:9px}
  .hd-links .sep{height:12px}
  .pc-only{display:none!important}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .split,.split-rev{grid-template-columns:1fr;gap:28px}
  .split-media img{min-height:240px}
  .hero{min-height:auto}
  .hero .wrap{padding-top:56px;padding-bottom:56px}
  .hs-arw{display:none!important}
  .hs-dots{bottom:12px;gap:7px}
  .hero-c .hero-meta div{padding:0 14px;margin:0}
  .hero-c .hero-meta{gap:6px 0}
  .hs-dots i{width:20px}
  .hs-dots i.on{width:30px}
  .hero-meta div{padding-right:22px;margin-right:22px}
  .hero-meta b{font-size:24px}
  .sec{padding:56px 0}
  .band{padding:44px 0}
  .band .b{padding:14px 8px;border-right:none;border-bottom:1px solid rgba(255,255,255,.1)}
  .band .b:last-child{border-bottom:none}
  .band .grid{grid-template-columns:repeat(2,1fr)}
  .nitem{grid-template-columns:1fr;gap:8px}
  .ndate{display:flex;gap:8px;align-items:baseline;border:none;text-align:left;padding:0}
  .ndate b{font-size:18px}
  .nitem .arrow{display:none}
  .cgrid{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
  .ft .ftop{grid-template-columns:1fr}
  .form-card{padding:24px}
  .cta .wrap{flex-direction:column;align-items:flex-start}
  .table{font-size:13px}
  .table th,.table td{padding:12px}
}

/* ===== 联系页：商务通二维码卡 + 信息卡（内容移植自参考版官网） ===== */
.cgrid2{display:grid;grid-template-columns:1.02fr 1fr;gap:36px;align-items:start}
.qcard{display:flex;gap:22px;align-items:flex-start;background:#fff;border:1px solid #E3ECF4;border-radius:14px;padding:24px;box-shadow:0 10px 26px rgba(11,31,51,.06)}
.qcard .qr-img{flex:0 0 148px}
.qcard .qr-img img{width:148px;height:148px;object-fit:contain;border:1px solid #E3ECF4;border-radius:10px;padding:6px;background:#fff;display:block}
.qcard h3{font-size:19px;font-weight:600;color:#0B1F33;line-height:1.5;margin-bottom:10px}
.qcard p{font-size:14px;color:#5D7488;line-height:1.9;margin-bottom:14px}
.qcard p strong{color:#0B1F33}
.qtags{display:flex;gap:8px;flex-wrap:wrap}
.qtags span{font-size:12.5px;color:#176CB7;background:#EAF3FB;border:1px solid #CBE0F2;border-radius:999px;padding:4px 12px}
.icard{margin-top:22px;background:#fff;border:1px solid #E3ECF4;border-radius:14px;padding:6px 24px;box-shadow:0 10px 26px rgba(11,31,51,.06)}
.irow{display:flex;gap:14px;align-items:flex-start;padding:15px 0;border-bottom:1px dashed #E3ECF4}
.irow:last-child{border-bottom:0}
.irow .ic{flex:0 0 38px;height:38px;border-radius:10px;background:#EAF3FB;color:#176CB7;display:flex;align-items:center;justify-content:center}
.irow .ic svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.irow .k{font-size:12.5px;color:#8AA0B2;margin-bottom:2px}
.irow .v{font-size:15px;color:#0B1F33;font-weight:600;line-height:1.6;word-break:break-all}
.irow .v a{color:inherit;text-decoration:none}
@media (max-width:920px){.cgrid2{grid-template-columns:1fr}.qcard{flex-direction:column}.qcard .qr-img{margin:0 auto}}

/* ===== 在线客服弹层 ===== */
.cs-mask{position:fixed;inset:0;background:rgba(8,22,36,.55);z-index:120;display:none;align-items:center;justify-content:center;padding:20px}
.cs-mask.on{display:flex}
.cs-modal{background:#fff;border-radius:16px;max-width:560px;width:100%;max-height:86vh;overflow:auto;box-shadow:0 24px 64px rgba(8,22,36,.28);animation:csIn .22s ease}
@keyframes csIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.cs-hd{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 14px;border-bottom:1px solid #E3ECF4}
.cs-hd h3{font-size:20px;font-weight:600;color:#0B1F33;margin:0}
.cs-hd small{display:block;font-size:12.5px;color:#8AA0B2;font-weight:400;margin-top:2px}
.cs-x{border:0;background:#F0F5F9;color:#5D7488;width:32px;height:32px;border-radius:50%;font-size:18px;cursor:pointer;line-height:1;flex:0 0 32px}
.cs-x:hover{background:#E3ECF4;color:#0B1F33}
.cs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;padding:20px 24px 6px}
.cs-card{border:1px solid #E3ECF4;border-radius:14px;padding:16px;text-align:center;transition:box-shadow .2s}
.cs-card:hover{box-shadow:0 10px 26px rgba(11,31,51,.08)}
.cs-card img{width:168px;height:168px;object-fit:contain;border:1px solid #E3ECF4;border-radius:10px;background:#fff;display:block;margin:0 auto 12px}
.cs-card b{display:block;font-size:15.5px;color:#0B1F33;font-weight:600;margin-bottom:4px}
.cs-card span{font-size:12.5px;color:#5D7488;line-height:1.6;display:block}
.cs-ft{display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap;padding:16px 24px 22px;border-top:1px solid #E3ECF4;margin-top:16px}
.cs-ft .btn{padding:10px 20px;font-size:14px;border-radius:8px}
@media (max-width:640px){.cs-grid{grid-template-columns:1fr}.cs-card img{width:150px;height:150px}}