/* Shanghai Fufang Electromechanical Co., Ltd.
   Theme: Industrial Trust (Concept A)
   Generated from _mockups/concept-a-industrial-trust.html - do not edit by hand,
   edit the source mockup and re-run _build/extract_assets.py */
:root{
  --navy:#0a2540; --navy2:#123a6b; --blue:#1f6fb2; --blue-l:#eaf3fb;
  --red:#d71920; --red-d:#b8131a; --red-l:#fdeeef;
  --ink:#1b2a3d; --body:#42566e; --muted:#7488a0; --line:#dde5ee;
  --bg:#f4f7fa; --white:#fff;
  --w:1240px;
  --sh:0 6px 24px rgba(10,37,64,.08);
  --sh-l:0 14px 44px rgba(10,37,64,.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font:15px/1.75 "PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;color:var(--body);background:var(--white);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.wrap{width:var(--w);max-width:94%;margin:0 auto}
.mono{font-family:"Consolas","SF Mono",Menlo,monospace}

/* ---------- utility bar ---------- */
.topbar{background:var(--navy);color:#a9c2da;font-size:12.5px;border-bottom:1px solid rgba(255,255,255,.07)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#cfe0f0;transition:.2s}
.topbar a:hover{color:#fff}
.topbar ul,.topbar .tb-r{display:flex;gap:20px;align-items:center}
.tb-hot{color:#ff9b9f!important;font-weight:600}

/* ---------- header ---------- */
.hd{background:#fff;position:sticky;top:0;z-index:100;box-shadow:0 1px 0 var(--line)}
.hd .wrap{display:flex;align-items:center;gap:26px;height:80px}
.hd-logo img{height:54px;width:auto}
.nav{display:flex;gap:2px;margin-left:auto;height:80px}
.nav>li{position:relative}
.nav>li>a{display:flex;align-items:center;gap:5px;height:80px;padding:0 14px;font-size:14.6px;font-weight:600;color:var(--ink);transition:.2s;position:relative;white-space:nowrap}
.nav>li>a:after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--red);transform:scaleX(0);transition:.25s}
.nav>li:hover>a,.nav>li.on>a{color:var(--red)}
.nav>li:hover>a:after,.nav>li.on>a:after{transform:scaleX(1)}
.nav .caret{width:9px;height:9px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.5}
.hd-cta{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 20px;height:44px;border-radius:4px;font-size:14.5px;font-weight:700;transition:.22s;white-space:nowrap}
.btn-r{background:var(--red);color:#fff;box-shadow:0 4px 14px rgba(215,25,32,.3)}
.btn-r:hover{background:var(--red-d);transform:translateY(-2px);box-shadow:0 8px 22px rgba(215,25,32,.4)}
.btn-g{background:#fff;color:var(--navy);border:1.6px solid var(--navy)}
.btn-g:hover{background:var(--navy);color:#fff;transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px}
.burger{display:none;width:42px;height:42px;border:1.5px solid var(--line);border-radius:4px;position:relative;cursor:pointer}
.burger i{position:absolute;left:11px;width:20px;height:2px;background:var(--ink)}
.burger i:nth-child(1){top:13px}.burger i:nth-child(2){top:19px}.burger i:nth-child(3){top:25px}

/* mega menu */
.mega{position:absolute;top:80px;left:50%;width:100vw;transform:translate(-50%,8px);background:#fff;box-shadow:0 18px 40px rgba(10,37,64,.16);border-top:3px solid var(--red);opacity:0;visibility:hidden;transition:.24s}
.nav>li:hover .mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.mega-in{width:var(--w);margin:0 auto;display:grid;grid-template-columns:230px 1fr;gap:36px;padding:32px 0 36px}
.mega-side h4{font-size:12px;letter-spacing:2px;color:var(--red);font-weight:800;margin-bottom:14px}
.mega-side li{font-size:13.5px;color:var(--muted);padding:5px 0;display:flex;gap:8px;align-items:center}
.mega-side li:before{content:"";width:4px;height:4px;background:var(--red);border-radius:50%}
.mega-main{display:grid;grid-template-columns:repeat(4,1fr);gap:8px 30px}
.mega-main a{font-size:14px;color:var(--ink);padding:5px 0;display:block;transition:.18s}
.mega-main a:hover{color:var(--red);transform:translateX(4px)}
.mega-main a span{color:var(--muted);font-size:12px;display:block}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--navy);overflow:hidden}
.slides{display:flex;transition:transform .7s cubic-bezier(.5,0,.2,1)}
.slide{min-width:100%;position:relative;height:560px;display:flex;align-items:center}
.slide .bg{position:absolute;inset:0}
.slide .bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.slide .bg:after{content:"";position:absolute;inset:0;background:linear-gradient(96deg,rgba(6,20,36,.96) 0%,rgba(8,26,46,.90) 40%,rgba(10,37,64,.45) 68%,rgba(10,37,64,.10) 100%)}
.slide.s2 .bg:after{background:linear-gradient(96deg,rgba(6,20,36,.95) 0%,rgba(12,44,74,.86) 44%,rgba(12,44,74,.4) 72%,rgba(10,37,64,.1) 100%)}
.slide-in{position:relative;z-index:2;width:var(--w);margin:0 auto;max-width:94%;color:#fff;padding-top:10px}
.s-tag{display:inline-flex;align-items:center;gap:9px;background:rgba(215,25,32,.2);border:1px solid rgba(215,25,32,.6);color:#ffb3b6;font-size:12.5px;font-weight:700;letter-spacing:1.6px;padding:6px 15px;border-radius:100px;margin-bottom:22px}
.s-tag i{width:6px;height:6px;background:var(--red);border-radius:50%;box-shadow:0 0 0 4px rgba(215,25,32,.25)}
.slide h1,.slide h2{font-size:45px;line-height:1.26;font-weight:800;letter-spacing:-.5px;max-width:790px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.slide h1 em,.slide h2 em{font-style:normal;color:#ff8f93;position:relative;z-index:1}
.slide h1 em:after,.slide h2 em:after{content:"";position:absolute;left:0;right:0;bottom:6px;height:9px;background:rgba(215,25,32,.5);z-index:-1;border-radius:2px}
.slide p{font-size:17px;line-height:1.85;color:#d5e4f2;max-width:560px;margin-top:20px}
.slide .cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.slide .btn-w{background:#fff;color:var(--navy)}
.slide .btn-w:hover{background:var(--red);color:#fff;transform:translateY(-2px)}
.slide .btn-o2{background:rgba(255,255,255,.1);border:1.5px solid rgba(255,255,255,.45);color:#fff}
.slide .btn-o2:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.s-kpi{display:flex;gap:34px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);max-width:660px}
.s-kpi div b{display:block;font-family:"Consolas",Menlo,monospace;font-size:29px;font-weight:700;color:#fff;letter-spacing:-.5px;line-height:1.2}
.s-kpi div b i{font-style:normal;font-size:15px;color:#ff8f93;margin-left:2px}
.s-kpi div span{font-size:12.8px;color:#9fbdd6;letter-spacing:.4px}
.snav{position:absolute;left:0;right:0;bottom:12px;z-index:5;display:flex;justify-content:center;gap:9px}
.snav button{width:34px;height:4px;border-radius:3px;background:rgba(255,255,255,.35);border:0;cursor:pointer;transition:.25s;padding:0}
.snav button.on{background:var(--red);width:52px}
.arrows{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);color:#fff;font-size:19px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.22s;backdrop-filter:blur(4px)}
.arrows:hover{background:var(--red);border-color:var(--red)}
.arrows.p{left:22px}.arrows.n{right:22px}

/* quick strip */
.qstrip{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 3px 14px rgba(10,37,64,.05);position:relative;z-index:6}
.qstrip .wrap{display:grid;grid-template-columns:repeat(4,1fr);height:88px}
.qstrip .it{display:flex;align-items:center;gap:13px;padding:0 24px;border-left:1px solid var(--line)}
.qstrip .it:first-child{border-left:0}
.qstrip .ic{width:40px;height:40px;flex:0 0 40px;border-radius:9px;background:var(--red-l);display:flex;align-items:center;justify-content:center}
.qstrip .ic svg{width:21px;height:21px;stroke:var(--red);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.qstrip b{display:block;font-size:14.5px;color:var(--ink);font-weight:700}
.qstrip span{font-size:12.5px;color:var(--muted)}

/* sections */
.sec{padding:74px 0}
.sec.alt{background:var(--bg)}
.sechead{text-align:center;max-width:780px;margin:0 auto 46px}
.sechead .en{font-family:"Consolas",Menlo,monospace;font-size:12px;letter-spacing:4px;color:var(--red);font-weight:700}
.sechead h2{font-size:33px;color:var(--ink);font-weight:800;letter-spacing:-.4px;margin:9px 0 14px;line-height:1.35}
.sechead p{font-size:15.5px;color:var(--muted);line-height:1.85}
.sechead .bar{width:56px;height:3px;background:var(--red);margin:16px auto 0;border-radius:2px}

/* product grid */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--sh-l);border-color:#c3d6e8}
.pcard .ph{background:linear-gradient(180deg,#fbfcfe,#f1f5f9);height:198px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.pcard .ph img{max-height:176px;width:auto;max-width:88%;object-fit:contain;transition:.45s}
.pcard:hover .ph img{transform:scale(1.07)}
.pcard .flag{position:absolute;top:12px;left:12px;background:var(--red);color:#fff;font-size:11.4px;font-weight:700;padding:3px 9px;border-radius:3px;letter-spacing:.5px;z-index:2}
.pcard .flag.g{background:var(--navy)}
.pcard .pb{padding:17px 19px 21px;flex:1;display:flex;flex-direction:column}
.pcard h3{font-size:17.5px;color:var(--ink);font-weight:800;margin-bottom:3px;line-height:1.45;min-height:51px}
.pcard h3 a:hover{color:var(--red)}
.pcard .en{font-family:"Consolas",Menlo,monospace;font-size:11.4px;color:var(--muted);letter-spacing:1.3px;margin-bottom:11px}
.spec{border-top:1px dashed var(--line);padding-top:10px;margin-top:auto}
.spec li{display:flex;justify-content:space-between;font-size:13px;padding:3.5px 0;gap:10px}
.spec li span{color:var(--muted)}
.spec li b{color:var(--ink);font-weight:700;font-family:"Consolas",Menlo,monospace;font-size:12.6px;text-align:right}
.pcard .more{margin-top:13px;font-size:13.4px;color:var(--red);font-weight:700;display:flex;align-items:center;gap:5px}
.pcard .more i{width:15px;height:9px;border-top:1.8px solid currentColor;border-right:1.8px solid currentColor;transform:rotate(45deg);transition:.25s}
.pcard:hover .more i{transform:rotate(45deg) translate(3px,3px)}
.seclink{text-align:center;margin-top:38px}
.seclink a{display:inline-flex;align-items:center;gap:9px;height:50px;padding:0 30px;border:1.8px solid var(--navy);color:var(--navy);font-weight:700;border-radius:4px;transition:.24s}
.seclink a:hover{background:var(--navy);color:#fff}

/* table */
.tbl{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:var(--sh)}
.tbl table{width:100%;border-collapse:collapse;font-size:14px}
.tbl caption{text-align:left;padding:18px 24px;font-weight:800;color:var(--ink);font-size:16px;border-bottom:1px solid var(--line);background:#fbfcfe}
.tbl caption small{font-weight:400;color:var(--muted);font-size:12.5px;margin-left:8px}
.tbl th{background:var(--navy);color:#fff;font-weight:700;padding:12px 14px;text-align:left;font-size:13.5px;letter-spacing:.4px}
.tbl th:nth-child(n+2),.tbl td:nth-child(n+2){text-align:center}
.tbl td{padding:11px 14px;border-bottom:1px solid var(--line);color:var(--body)}
.tbl tr:last-child td{border-bottom:0}
.tbl tbody tr:hover{background:#f6fafd}
.tbl td b{color:var(--ink);font-weight:700}
.tbl td .mono{color:var(--blue);font-weight:700}
.tbl a{color:var(--blue)}
.tbl a:hover{color:var(--red);text-decoration:underline}

/* industries */
.igrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.icard{position:relative;border-radius:10px;overflow:hidden;height:214px;display:block;transition:.32s}
.icard img{width:100%;height:100%;object-fit:cover;transition:.5s}
.icard .ov{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,26,44,.12) 30%,rgba(8,26,44,.9) 100%)}
.icard .tx{position:absolute;left:0;right:0;bottom:0;padding:19px 21px;color:#fff}
.icard .tx b{font-size:17px;font-weight:800;display:block}
.icard .tx span{font-size:12.5px;color:#c2d5e8;display:block;margin-top:2px}
.icard .tx .go{margin-top:8px;font-size:12.5px;color:#ff8f93;font-weight:700;opacity:0;transform:translateY(6px);transition:.3s}
.icard:hover img{transform:scale(1.08)}
.icard:hover .tx .go{opacity:1;transform:none}

/* advantages */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.adv{background:#fff;border:1px solid var(--line);border-radius:10px;padding:30px 26px;transition:.28s}
.adv:hover{box-shadow:var(--sh);border-color:#c3d6e8;transform:translateY(-4px)}
.adv .n{font-family:"Consolas",Menlo,monospace;font-size:13px;font-weight:700;color:var(--red);letter-spacing:2px}
.adv .ic{width:52px;height:52px;border-radius:11px;background:var(--red-l);display:flex;align-items:center;justify-content:center;margin:14px 0 16px}
.adv .ic svg{width:26px;height:26px;stroke:var(--red);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.adv h3{font-size:17px;color:var(--ink);font-weight:800;margin-bottom:9px}
.adv p{font-size:13.8px;color:var(--muted);line-height:1.8}

/* data band */
.databand{position:relative;color:#fff;padding:64px 0;overflow:hidden;background:var(--navy)}
.databand img.bgimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3}
.databand:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,20,36,.95),rgba(10,45,80,.82))}
.databand .wrap{position:relative;z-index:3}
.dgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.dgrid .d{padding:14px;border-left:1px solid rgba(255,255,255,.15)}
.dgrid .d:first-child{border-left:0}
.dgrid b{display:block;font-family:"Consolas",Menlo,monospace;font-size:44px;font-weight:700;color:#ff8f93;letter-spacing:-1.5px;line-height:1.1}
.dgrid b i{font-style:normal;font-size:20px;color:#9fc3e0}
.dgrid span{display:block;font-size:13.5px;color:#a9c6de;margin-top:8px;letter-spacing:.4px}

/* process */
.psteps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.pstep{position:relative;background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px 20px;text-align:center}
.pstep .n{width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-weight:800;font-size:17px}
.pstep h4{font-size:15.5px;color:var(--ink);font-weight:800;margin-bottom:7px}
.pstep p{font-size:12.8px;color:var(--muted);line-height:1.75}
.pstep:after{content:"";position:absolute;right:-14px;top:50%;width:14px;height:2px;background:var(--line)}
.pstep:last-child:after{display:none}

/* news */
.two-col{display:grid;grid-template-columns:1.55fr 1fr;gap:44px;align-items:start}
.news{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.news .nrow{display:flex;gap:17px;padding:17px 20px;border-bottom:1px solid var(--line);align-items:center;transition:.2s}
.news .nrow:hover{background:#f7fafd}
.news .nrow:last-child{border-bottom:0}
.news .nth{width:118px;height:76px;flex:0 0 118px;border-radius:6px;overflow:hidden;background:#eef2f7}
.news .nth img{width:100%;height:100%;object-fit:cover}
.news .nt{flex:1}
.news .nt .c{display:inline-block;font-size:11.5px;color:var(--red);background:var(--red-l);padding:2px 8px;border-radius:3px;margin-bottom:6px}
.news .nt b{font-size:15.4px;color:var(--ink);font-weight:700;display:block;line-height:1.6}
.news .nt p{font-size:12.8px;color:var(--muted);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news .nt time{font-family:"Consolas",Menlo,monospace;font-size:11.6px;color:var(--muted);display:block;margin-top:5px}
.faq{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.faq summary{list-style:none;padding:17px 20px 17px 46px;font-size:14.6px;font-weight:700;color:var(--ink);cursor:pointer;position:relative;border-bottom:1px solid var(--line);transition:.2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"+";position:absolute;left:20px;top:15px;width:18px;height:18px;background:var(--red-l);color:var(--red);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;line-height:1}
.faq details[open] summary{background:#fdf4f4;color:var(--red)}
.faq details[open] summary:before{content:"\2212";background:var(--red);color:#fff}
.faq .fa{padding:15px 20px 17px 46px;font-size:13.6px;color:var(--muted);line-height:1.85;border-bottom:1px solid var(--line)}
.faq details:last-child summary,.faq details:last-child .fa{border-bottom:0}

/* certificate strip */
.certs{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;align-items:center}
.cert{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px;transition:.25s}
.cert:hover{box-shadow:var(--sh);transform:translateY(-3px)}
.cert img{height:96px;width:100%;object-fit:contain;background:#f7f9fb;border-radius:5px}
.cert span{display:block;text-align:center;font-size:12px;color:var(--muted);margin-top:9px;line-height:1.5}

/* seo cloud */
.cloud{background:var(--bg);border-top:1px solid var(--line);padding:34px 0}
.cloud h4{font-size:13px;color:var(--muted);font-weight:700;letter-spacing:1.4px;margin-bottom:14px;text-transform:uppercase}
.cloud .wrap{display:flex;flex-wrap:wrap;gap:8px 9px}
.cloud a{font-size:12.8px;color:var(--body);background:#fff;border:1px solid var(--line);padding:5px 11px;border-radius:100px;transition:.2s}
.cloud a:hover{background:var(--navy);color:#fff;border-color:var(--navy)}

/* cta */
.ctaband{background:var(--red);color:#fff;padding:44px 0;position:relative;overflow:hidden}
.ctaband:before{content:"";position:absolute;inset:0;background:url("assets/photos/sav-airend_08-75_01_7a7007.jpg") right -40px center/440px no-repeat;opacity:.16}
.ctaband .wrap{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.ctaband h3{font-size:26px;font-weight:800;letter-spacing:-.3px}
.ctaband p{font-size:14.5px;opacity:.94;margin-top:5px}
.ctaband .btns{display:flex;gap:13px;flex-wrap:wrap}
.ctaband .btn{background:#fff;color:var(--red-d)}
.ctaband .btn:hover{background:var(--navy);color:#fff;transform:translateY(-2px)}
.ctaband .btn.o2{background:transparent;color:#fff;border:1.6px solid rgba(255,255,255,.7)}
.ctaband .btn.o2:hover{background:#fff;color:var(--red-d)}

/* footer */
.ft{background:var(--navy);color:#93aec7;font-size:13.5px;padding:56px 0 0}
.ft h4{color:#fff;font-size:15.5px;font-weight:800;margin-bottom:18px;position:relative;padding-bottom:11px}
.ft h4:after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2.5px;background:var(--red)}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr 1.1fr;gap:34px}
.ft-links li{padding:4.5px 0}
.ft-links a{color:#93aec7;font-size:13.5px;transition:.2s}
.ft-links a:hover{color:#fff;padding-left:5px}
.ft .addr{line-height:2;font-style:normal;color:#93aec7;margin-top:6px}
.ft .tel{font-family:"Consolas",Menlo,monospace;font-size:25px;color:#fff;font-weight:700;letter-spacing:.4px;display:block;margin-bottom:4px}
.ft .ftlogo{height:52px;width:auto;margin-bottom:16px}
.ft-btm{margin-top:44px;border-top:1px solid rgba(255,255,255,.09);padding:20px 0;font-size:12.8px;color:#7895b4}
.ft-btm .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.ft-btm a{color:#7895b4}
.ft-btm a:hover{color:#fff}
.ft .kw{margin-top:20px;font-size:12px;line-height:2;color:#6d8aab}

/* float */
.float{position:fixed;right:18px;bottom:96px;z-index:90;display:flex;flex-direction:column;gap:10px}
.float a{width:54px;height:54px;border-radius:50%;background:#fff;box-shadow:0 5px 20px rgba(10,37,64,.18);display:flex;align-items:center;justify-content:center;transition:.25s;border:1px solid var(--line);position:relative}
.float a:hover{background:var(--navy);transform:translateY(-3px)}
.float svg{width:23px;height:23px;stroke:var(--navy);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:.25s}
.float a:hover svg{stroke:#fff}
.float a.hot{background:var(--red);border-color:var(--red)}
.float a.hot svg{stroke:#fff}
.float .lbl{position:absolute;right:64px;background:var(--navy);color:#fff;font-size:12px;padding:4px 10px;border-radius:4px;white-space:nowrap;opacity:0;pointer-events:none;transition:.2s}
.float a:hover .lbl{opacity:1}
.backtop{position:fixed;right:18px;bottom:24px;z-index:90;width:46px;height:46px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 5px 18px rgba(10,37,64,.28);border:0}

/* ==================================================================
   响应式适配（主布局）—— 移动端由 .burger 汉堡菜单接管
   ================================================================== */
.ft-grid{grid-template-columns:1.7fr 1fr 1fr 1fr 1fr;gap:30px;align-items:start}
.ft .ft-intro{line-height:1.95;margin:0}
.ft .ft-brand .kw{margin-top:18px}

.ft-btm .wrap{display:block}
.ft-contact{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 0;
  padding-bottom:18px;margin-bottom:18px;border-bottom:1px solid rgba(255,255,255,.09);
  font-size:13.2px;color:#9fb8d0;line-height:1.9}
.ft-contact>*{display:inline-flex;align-items:baseline;white-space:nowrap}
.ft-contact>*:not(:last-child):after{content:"";display:inline-block;
  width:1px;height:11px;background:rgba(255,255,255,.22);
  margin:0 18px;transform:translateY(1px)}
.ft-contact .ft-tel{font-family:"Consolas",Menlo,monospace;font-size:23px;
  font-weight:700;color:#fff;letter-spacing:.4px}
.ft-contact .ft-tel:hover{color:#ff5a61}
.ft-contact a:not(.ft-tel){color:#9fb8d0}
.ft-contact a:not(.ft-tel):hover{color:#fff}
.ft-legal{display:flex;flex-direction:column;gap:9px;font-size:12.6px;line-height:1.85}
.ft-legal a{color:#7895b4}
.ft-legal a:hover{color:#fff}

.burger{display:none;width:42px;height:42px;border:1.5px solid var(--line);
  border-radius:5px;background:#fff;position:relative;cursor:pointer;
  flex:0 0 auto;padding:0}
.burger i{position:absolute;left:11px;right:11px;height:2px;background:var(--navy);
  transition:.22s;display:block}
.burger i:nth-child(1){top:14px}
.burger i:nth-child(2){top:20px}
.burger i:nth-child(3){top:26px}
body.navopen .burger i:nth-child(1){top:20px;transform:rotate(45deg)}
body.navopen .burger i:nth-child(2){opacity:0}
body.navopen .burger i:nth-child(3){top:20px;transform:rotate(-45deg)}
body.navopen{overflow:hidden}

@media (max-width:1280px){
  .pgrid,.igrid,.dgrid{grid-template-columns:repeat(3,1fr)}
  .ft-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:26px}
  .ft-grid>div:last-child{grid-column:2 / -1}
}

@media (max-width:1080px){
  .topbar{display:none}
  .hd{height:66px;position:relative;z-index:60}
  .hd .wrap{gap:12px}
  .hd-cta{display:none}
  .burger{display:block}
  .mega{top:66px}
  .nav{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;
    border-top:3px solid var(--red);box-shadow:0 18px 40px rgba(10,37,64,.16);
    max-height:calc(100vh - 66px);overflow-y:auto;flex-direction:column;padding:6px 0}
  body.navopen .nav{display:flex}
  .nav>li{width:100%}
  .nav>li>a{display:flex;justify-content:space-between;align-items:center;
    padding:13px 22px;border-bottom:1px solid var(--line)}
  .nav>li>a:after{display:none}
  .nav .caret{border-left-color:var(--muted)}
  .nav>li:hover .mega,.nav>li.on .mega{position:static;transform:none;width:auto;
    opacity:1;visibility:visible;box-shadow:none;border-top:0;background:#f6f9fc;
    display:none}
  .nav>li:hover .mega,.nav>li.open .mega{display:block}
  .mega-in{padding:10px 18px 16px;display:block}
  .mega-side h4{margin-bottom:8px}
  .mega-side ul{display:grid;grid-template-columns:1fr 1fr;gap:2px 12px}
  .mega-main{grid-template-columns:1fr 1fr;gap:2px 12px;margin-top:8px;
    border-top:1px solid var(--line);padding-top:10px}
  .mega-main a{font-size:13.5px;padding:6px 0}
  .qstrip .wrap{grid-template-columns:1fr 1fr;height:auto}
  .qstrip .it{padding:14px 12px}
  .pgrid,.igrid,.dgrid{grid-template-columns:1fr 1fr}
  .databand,.ctaband{padding:40px 0}
  .ctaband .wrap{flex-direction:column;align-items:flex-start;gap:16px}
  .slide{min-width:100%;height:auto;padding:52px 0}
  .slide-in{padding:0 22px}
  .slide h1,.slide h2{font-size:26px}
  .slide p{font-size:15px}
  .s-kpi{flex-wrap:wrap;gap:18px 30px}
  .ft-grid{grid-template-columns:1fr 1fr}
  .ft-grid>div:first-child{grid-column:1 / -1}
  .ft-grid>div:last-child{grid-column:auto}
}

@media (max-width:860px){
  .sechead h2{font-size:24px}
  .tbl{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .tbl table{min-width:600px}
  .hpills{flex-wrap:wrap}
  .news .grid,.nrow{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr 1fr}
}

@media (max-width:640px){
  .hd{height:58px}
  .hd-logo img{height:30px}
  .nav{max-height:calc(100vh - 58px)}
  .pgrid,.igrid,.dgrid{grid-template-columns:1fr}
  .qstrip .wrap{grid-template-columns:1fr}
  .ft{padding-top:38px;font-size:13px}
  .ft-grid{grid-template-columns:1fr;gap:26px}
  .ft-grid>div:first-child{grid-column:auto}
  .ft .ftlogo{height:44px}
  .ft-contact{font-size:12.4px;gap:10px 0}
  .ft-contact>*:not(:last-child):after{margin:0 12px}
  .ft-contact .ft-tel{font-size:19px}
  .ft-btm{margin-top:26px;padding:16px 0}
  .ft h4{font-size:15px;margin-bottom:12px}
  .slide{padding:42px 0}
  .slide h1,.slide h2{font-size:22px}
  .slide p{font-size:14.4px}
  .s-kpi div{min-width:44%}
  .mega-side ul,.mega-main{grid-template-columns:1fr}
  .ctaband .btn,.slide .btn{width:100%}
  .wrap{max-width:96%}
}

@media print{
  .topbar,.hd,.hero,.ft,.float,.snav,.arrows,.qstrip,.ctaband{display:none!important}
  .wrap{max-width:100%}
}


/* ---- 移动端细节修正：横向溢出与参数行 ---- */
@media (max-width:1080px){
  html,body{max-width:100%;overflow-x:hidden}
  .wrap{max-width:94%}
  .sechead{max-width:100%}
  .sechead .en{letter-spacing:2px}
  .pgrid,.igrid,.dgrid{gap:14px}
  .pcard .pb{padding:16px 16px 18px}
}
@media (max-width:640px){
  .spec li{flex-direction:column;align-items:flex-start;gap:1px;padding:5px 0}
  .spec li b{text-align:left;font-size:12.2px}
  .sechead h2{font-size:22px;letter-spacing:0}
  .sechead p{font-size:14.5px}
  .pcard h3{font-size:17px}
  .slide .cta{flex-direction:column;align-items:stretch;gap:10px}
  .ft-links li{padding:5px 0}
}

@media (max-width:1080px){
  .hd .wrap{justify-content:space-between}
  .hd-logo{order:1}
  .burger{order:2;margin-left:auto}
  .nav{order:3}
}