:root{--green:#006d63;--green-d:#004c46;--blue:#4433ff;--ink:#20302e;--bg:#f3f8f7;--card:#fff;--line:#dbe7e5;--muted:#64807c;--footer:#0A1D37}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Segoe UI","Microsoft YaHei","Tahoma",sans-serif;background:var(--bg);color:var(--ink)}
/* ===== header / nav ===== */
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;box-shadow:0 1px 8px rgba(0,0,0,.06)}
.hwrap{max-width:1140px;margin:0 auto;padding:10px 16px 0}
.htop{display:flex;align-items:center;gap:14px}
.logo{height:46px}
.htitle{flex:1;min-width:140px}
.htitle b{font-size:16px;color:var(--green);display:block;letter-spacing:.5px}
.htitle span{font-size:11.5px;color:var(--muted)}
.lang{margin-left:auto;display:flex;gap:6px}
.lang button{background:#fff;border:1px solid var(--line);color:var(--ink);border-radius:18px;padding:6px 14px;cursor:pointer;font-size:13.5px}
.lang button:hover{border-color:var(--green);color:var(--green)}
.lang button.on{background:var(--green);color:#fff;font-weight:700;border-color:var(--green)}
nav{max-width:1140px;margin:0 auto;padding:8px 16px 12px;display:flex;justify-content:center;align-items:center;gap:6px;flex-wrap:wrap}
nav a{color:var(--ink);text-decoration:none;font-size:15px;font-weight:500;padding:8px 16px;border-radius:9px;white-space:nowrap;text-align:center}
nav a:hover{background:#e4efed;color:var(--green-d)}
nav a.on{background:var(--green);color:#fff;font-weight:700}
nav a.cat{color:var(--green);font-weight:700;background:#e4efed}
nav a.cat:hover{background:#d5e6e3}
nav a.cat.on{background:var(--green);color:#fff}
@media(max-width:760px){nav a{font-size:14px;padding:7px 11px}}
/* ===== page banner（每页顶部大图，与正文同宽、两侧留白）===== */
.banner{max-width:1112px;margin:16px auto 0;padding:0 16px;background:transparent;border-bottom:none}
.banner .bgimg{width:100%;height:380px;object-fit:cover;object-position:center 42%;display:block;border-radius:16px;border:1px solid var(--line);box-shadow:0 4px 18px rgba(0,0,0,.08)}
.ptitle{max-width:1080px;margin:0 auto;padding:34px 14px 8px}
.ptitle .ptag{font-size:12.5px;color:var(--muted);letter-spacing:.4px;margin-bottom:6px}
.ptitle h1{font-size:26px;line-height:1.4;color:var(--green)}
.ptitle h1 em{font-style:normal;color:#e07b00}
.ptitle p{font-size:14px;color:#3f504d;line-height:2.0;max-width:620px;margin-top:10px}
.chips{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}
.chips span{background:#e4efed;border:1px solid var(--line);color:var(--green-d);border-radius:16px;padding:5px 14px;font-size:12.5px}
.hbtns{margin-top:18px;display:flex;gap:12px;flex-wrap:wrap}
.hbtns a{border-radius:24px;padding:12px 26px;font-size:14px;font-weight:700;text-decoration:none;cursor:pointer;border:none;display:inline-block}
.b1{background:var(--blue);color:#fff}
.b2{background:transparent;color:var(--green);border:1px solid var(--green)}
/* ===== sections ===== */
main{max-width:1080px;margin:0 auto;padding:0 14px}
.slogan{margin:48px 0 4px;font-size:22px;color:var(--green);line-height:1.45}
.secsub{font-size:12.5px;color:var(--muted);margin-bottom:14px}
p.secdesc{color:#3f504d;font-size:13.5px;margin-bottom:20px;line-height:2.0;max-width:620px}
.split{display:flex;gap:44px;flex-wrap:wrap;align-items:center;margin:0 0 48px}
.split.rev{flex-direction:row-reverse}
.split .simg{flex:1.15;min-width:300px;max-width:520px}
.split .simg img{width:100%;border-radius:16px;display:block;border:1px solid var(--line);box-shadow:0 6px 22px rgba(0,0,0,.09)}
.split .stxt{flex:1;min-width:280px;max-width:470px}
.split .stxt>b{display:block;font-size:19px;color:var(--green);margin-bottom:14px;line-height:1.55}
.split .stxt p{font-size:14px;line-height:2.15;color:#3f504d}
.about{display:flex;gap:16px;flex-wrap:wrap;margin-top:14px}
.acard{flex:1;min-width:230px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.acard b{display:block;font-size:14.5px;margin-bottom:8px;color:var(--green)}
.acard p{font-size:13px;line-height:1.8;color:#3f504d}
.certimg{width:100%;border-radius:12px;border:1px solid var(--line);display:block;margin-top:16px;background:#fff}
.lines{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px;margin-top:18px}
.lcard{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.lcard b{display:block;color:var(--green);font-size:14px;margin-bottom:8px}
.lcard p{font-size:12.8px;line-height:1.9;color:#3f504d}
.trust{width:100%;border-radius:12px;display:block;margin:18px 0 6px;border:1px solid #0A1D37}
.gallery{display:flex;gap:14px;flex-wrap:wrap;margin-top:16px}
.gallery img{border-radius:12px;border:1px solid var(--line)}
.gallery .g1{flex:2;min-width:280px;height:300px;object-fit:cover}
.gallery .g2,.gallery .g3{flex:1;min-width:180px;height:300px;object-fit:cover}
.vprops{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.vprops span{background:#e4efed;color:var(--green-d);border-radius:10px;padding:10px 15px;font-size:12.5px;font-weight:600}
/* ===== selection hall teaser ===== */
.hall{background:linear-gradient(135deg,var(--green-d),var(--green));border-radius:18px;color:#fff;padding:34px 30px;margin:44px 0;display:flex;gap:26px;flex-wrap:wrap;align-items:center}
.hall .htxt2{flex:1.3;min-width:280px}
.hall .htxt2 h2{font-size:22px;margin-bottom:10px}
.hall .htxt2 p{font-size:13.5px;line-height:1.85;opacity:.94}
.hall .hthumbs{flex:1;min-width:250px;display:flex;gap:10px}
.hall .hthumbs img{flex:1;min-width:0;height:110px;object-fit:cover;border-radius:10px;opacity:.95}
.hall a.hbtn{display:inline-block;margin-top:16px;background:var(--blue);color:#fff;border-radius:24px;padding:12px 28px;font-size:14px;font-weight:700;text-decoration:none}
/* ===== join ===== */
.quote{background:var(--card);border-left:4px solid var(--green);border-radius:0 12px 12px 0;padding:24px 28px;font-size:15px;line-height:2.1;color:#3f504d;margin:22px 0 30px;max-width:860px}
html[dir=rtl] .quote{border-left:none;border-right:4px solid var(--green);border-radius:12px 0 0 12px}
.jsec{margin:34px 0 16px;font-size:20px;color:var(--green-d);display:flex;align-items:center;gap:12px}
.jsec::after{content:"";flex:1;height:1px;background:var(--line)}
.jobs{display:flex;gap:22px;flex-wrap:wrap}
.job{flex:1;min-width:280px;background:var(--card);border:1px solid var(--line);border-top:4px solid transparent;border-radius:16px;padding:26px 28px;transition:transform .18s,box-shadow .18s,border-color .18s}
.job:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(46,125,50,.12);border-top-color:var(--green)}
.jico{width:54px;height:54px;border-radius:14px;background:#e4efed;display:flex;align-items:center;justify-content:center;font-size:27px;margin-bottom:14px}
.job b{color:var(--green-d);font-size:17px;display:block;margin-bottom:6px;line-height:1.5}
.job .loc{display:inline-block;background:#f0f5f4;border-radius:999px;padding:4px 13px;font-size:12.5px;color:var(--muted);margin:0 0 10px}
.job p{font-size:13.5px;line-height:1.9;color:#3f504d;margin-bottom:6px}
.japply{display:inline-block;margin-top:8px;color:var(--green-d);font-weight:700;font-size:14px;text-decoration:none;border-bottom:2px solid var(--green);padding-bottom:2px}
.japply:hover{opacity:.75}
.wcards{display:flex;gap:20px;flex-wrap:wrap}
.wcard{flex:1;min-width:230px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px 22px;text-align:center;transition:transform .18s,box-shadow .18s}
.wcard:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(46,125,50,.12)}
.wico{font-size:36px;display:block;margin-bottom:12px}
.wcard b{color:var(--green-d);font-size:16px;display:block;margin-bottom:8px}
.wcard p{font-size:13.5px;color:#3f504d;line-height:1.9}
.steps{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px 28px;justify-content:space-between}
.step{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600;color:#2f3f3c}
.snum{width:36px;height:36px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex:none}
.sarrow{color:var(--green);font-size:19px}
html[dir=rtl] .sarrow{transform:scaleX(-1)}
.cta{margin:36px 0 40px;background:linear-gradient(120deg,var(--green),#3c9d6e);border-radius:18px;padding:36px 40px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}
.cta b{font-size:22px;display:block;margin-bottom:8px;line-height:1.5}
.cta p{font-size:14.5px;opacity:.95;line-height:1.8;max-width:520px}
.cta a{background:#fff;color:var(--green-d);font-weight:800;padding:14px 28px;border-radius:999px;text-decoration:none;font-size:15px;white-space:nowrap;box-shadow:0 6px 18px rgba(0,0,0,.15)}
.cta a:hover{transform:translateY(-2px)}
/* ===== contact ===== */
.cgrid{display:flex;gap:26px;flex-wrap:wrap;align-items:stretch;margin:36px 0 44px}
.cinfo-card{flex:1;min-width:300px;background:var(--green);color:#fff;border-radius:18px;padding:44px 38px;font-size:16px;line-height:2.35}
.cinfo-card b{font-size:22px;display:block;margin-bottom:18px;line-height:1.5}
.cinfo-card .offices{margin-top:20px;font-size:14.5px;opacity:.96;line-height:2.2}
.cinfo-card .cwa{background:#25d366;color:#fff;border:none;border-radius:28px;padding:16px 36px;font-size:16.5px;font-weight:700;cursor:pointer;margin-top:26px}
.cform{flex:1.1;min-width:300px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px 30px}
.cform h3{color:var(--green);font-size:18px;margin-bottom:4px}
.cform .fnote{font-size:12.5px;color:#7c8a87;line-height:1.8;margin-bottom:4px}
.cform label{font-size:13px;font-weight:600;display:block;margin:13px 0 5px;color:#3f504d}
.cform input,.cform textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:14px;font-family:inherit;background:var(--bg)}
.cform input:focus,.cform textarea:focus{outline:2px solid rgba(0,109,99,.30);border-color:var(--green)}
.cform textarea{height:110px;resize:vertical}
.cform .send{background:#25d366;color:#fff;border:none;border-radius:24px;padding:14px 30px;font-size:15px;font-weight:700;cursor:pointer;margin-top:18px;width:100%}
.cform .send:hover{filter:brightness(1.06)}
a.mail{color:inherit;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.cinfo-card a.mail{color:#fff}
.contact{background:var(--green);color:#fff;border-radius:16px;padding:30px;margin:44px 0;display:flex;gap:26px;flex-wrap:wrap;align-items:center}
.contact .cinfo{flex:1.2;min-width:260px;font-size:14px;line-height:2.05}
.contact .cinfo b{font-size:18px;display:block;margin-bottom:8px}
.contact .cinfo .offices{margin-top:8px;font-size:13px;opacity:.95;line-height:1.9}
.contact .cimg{flex:1;min-width:230px;max-width:340px}
.contact .cimg img{width:100%;border-radius:12px;display:block}
.contact .cwa{background:#25d366;color:#fff;border:none;border-radius:24px;padding:13px 28px;font-size:15px;font-weight:700;cursor:pointer;margin-top:12px}
.ltr{direction:ltr;unicode-bidi:isolate;display:inline-block}
/* ===== footer ===== */
footer{background:var(--footer);color:#c7d3e8;margin-top:44px;padding:30px 16px 34px;font-size:12.5px;line-height:2.1;text-align:center}
footer b{color:#fff;font-size:14px}
footer .copy{margin-top:10px;font-size:11px;color:#8fa0c0}
.toast{position:fixed;top:18px;left:50%;transform:translateX(-50%);background:var(--footer);color:#fff;padding:10px 22px;border-radius:22px;font-size:13px;z-index:200;opacity:0;transition:.3s;pointer-events:none}
.toast.show{opacity:.92}
/* ===== catalog page ===== */
.series{margin:30px 0 12px;display:flex;align-items:center;gap:10px}
.series .dot{width:10px;height:10px;border-radius:50%;background:var(--green);flex:none}
.series h3{font-size:18px;color:var(--green)}
.series small{color:var(--muted);font-size:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;position:relative}
.card.picked{outline:3px solid var(--green)}
.pick{position:absolute;top:10px;left:10px;z-index:5}
.pick input{width:26px;height:26px;cursor:pointer;accent-color:var(--green)}
html[dir=rtl] .pick{left:auto;right:10px}
.card img{width:100%;height:265px;object-fit:cover;object-position:top;background:#fff;border-bottom:1px solid var(--line);cursor:pointer}
.cbody{padding:14px;display:flex;flex-direction:column;gap:7px;flex:1}
.cbody h4{font-size:14px;line-height:1.45;cursor:pointer}
.ref{font-size:11px;color:var(--muted)}
table{width:100%;border-collapse:collapse;font-size:12px}
td{padding:4px 6px;border-bottom:1px dashed var(--line);vertical-align:top}
td:first-child{color:var(--muted);white-space:nowrap;width:1%}
html[dir=rtl] table td{direction:rtl;text-align:right}
html[dir=rtl] .series,html[dir=rtl] .hwrap{flex-direction:row-reverse}
#bar{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);padding:10px 16px;display:flex;justify-content:center;z-index:90;box-shadow:0 -3px 12px rgba(0,0,0,.07)}
.bwrap3{max-width:1080px;width:100%;display:flex;align-items:center;gap:12px}
#barInfo{flex:1;font-size:13.5px}
#barInfo b{color:var(--green-d);font-size:16px}
#barBtn{background:var(--blue);color:#fff;border:none;border-radius:22px;padding:11px 24px;font-size:14px;font-weight:700;cursor:pointer}
#barBtn:disabled{background:#c3d4d1;cursor:not-allowed}
#panel{position:fixed;inset:0;background:rgba(0,0,0,.55);display:none;align-items:flex-end;justify-content:center;z-index:110}
#panel.open{display:flex}
.pbox{background:#fff;width:100%;max-width:620px;border-radius:16px 16px 0 0;padding:22px;max-height:88vh;overflow:auto}
.pbox h2{font-size:17px;margin-bottom:14px}
.pbox label{font-size:13px;font-weight:600;display:block;margin:10px 0 4px}
.pbox input,.pbox textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;font-size:14px;font-family:inherit;background:var(--bg)}
.pbox textarea{height:64px;resize:vertical}
#pPreview{background:var(--bg);border:1px dashed var(--line);border-radius:10px;padding:12px;font-size:12.5px;white-space:pre-wrap;max-height:180px;overflow:auto;margin-top:12px;line-height:1.7}
.pbtns{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.pbtns button{flex:1;min-width:140px;border:none;border-radius:10px;padding:13px;font-size:14px;font-weight:700;cursor:pointer}
#pWA{background:#25d366;color:#fff}
#pCopy{background:var(--blue);color:#fff}
#pClose{background:var(--bg);border:1px solid var(--line);font-weight:400}
main.cmain{padding-bottom:90px}

/* ===== catalog category tree ===== */
.shopWrap{display:flex;gap:26px;align-items:flex-start}
.shopMain{flex:1;min-width:0}
.catSide{width:250px;flex:none;position:sticky;top:18px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 14px;max-height:calc(100vh - 36px);overflow:auto}
.catSide h3{margin:0 0 10px;font-size:15px;color:var(--green-d)}
.cnode,.cgroup{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 11px;border-radius:10px;cursor:pointer;color:#2f3f3c;transition:background .15s}
.cnode{font-size:14px}
.cgroup{font-size:14.5px;font-weight:700;color:var(--green-d);margin-top:12px}
.cnode:hover,.cgroup:hover{background:#e4efed}
.cnode.on{background:var(--green);color:#fff;font-weight:700}
.cnode .cnt,.cgroup .cnt{flex:none;font-size:12px;background:rgba(47,63,60,.08);border-radius:999px;padding:1px 9px;opacity:.85}
.cnode.on .cnt{background:rgba(255,255,255,.25);opacity:1}
.cgroup .arr{flex:none;font-size:12px;transition:transform .2s}
.cgroup.closed .arr{transform:rotate(-90deg)}
html[dir=rtl] .cgroup.closed .arr{transform:rotate(90deg)}
.cchildren{margin:2px 0 4px 14px}
.cchildren.hide{display:none}
html[dir=rtl] .cchildren{margin:2px 14px 4px 0}
.emptybox{background:var(--card);border:1px dashed var(--line);border-radius:16px;padding:70px 20px;text-align:center;color:var(--muted);font-size:15px;line-height:2}
@media(max-width:900px){.shopWrap{flex-direction:column}.catSide{position:static;width:100%;max-height:none}}