/* ============================================================
   达尔新材 DAHER NOVEL MATERIALS — Official Website v3
   Deep-blue × graphite industrial redesign · shared stylesheet
   Palette: ink #0B0F17 / navy #0C2036 / blue #2E6BE6 / sky #7EB3FF
   ============================================================ */
:root{--blue:#2E6BE6;--blue2:#1E4FC0;--sky:#7EB3FF;--sky2:#A8CCFF;
--ink:#0B0F17;--ink2:#131B2A;--navy:#0C2036;--navy2:#0E2946;
--paper:#F4F6FA;--line:#E6EAF1;--text:#242A35;--muted:#6B7482;--white:#fff;--r:10px;
--mask:linear-gradient(100deg,rgba(5,8,15,.92) 18%,rgba(5,8,15,.62) 62%,rgba(5,8,15,.32));
--sh:0 10px 40px rgba(10,16,28,.10);--sh2:0 22px 70px rgba(10,16,28,.18);
--ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Noto Sans TC","Noto Sans JP",-apple-system,"Segoe UI",Arial,sans-serif}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--ff);color:var(--text);background:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
svg{stroke-width:1.2}
.wrap{width:min(1280px,92vw);margin:0 auto}
::selection{background:rgba(46,107,230,.22)}
/* ---------- header ---------- */
.hd{position:fixed;inset:0 0 auto;z-index:120;background:transparent;transition:background .4s,box-shadow .4s}
.hd .bar{display:flex;align-items:center;gap:30px;height:78px}
.hd .logo img{height:48px;width:auto}
.hd .nav{display:flex;gap:4px;margin-left:auto}
.hd .nav>a{position:relative;display:flex;align-items:center;gap:5px;height:78px;padding:0 15px;color:#fff;font-size:15px;letter-spacing:.5px;cursor:pointer;white-space:nowrap}
.hd .nav>a::after{content:"";position:absolute;left:15px;right:15px;bottom:20px;height:2px;background:var(--sky);transform:scaleX(0);transform-origin:left;transition:transform .35s}
.hd .nav>a:hover::after,.hd .nav>a.on::after{transform:scaleX(1)}
.hd .right{display:flex;align-items:center;gap:16px;margin-left:8px}
.hd .tel{display:flex;align-items:center;gap:8px;color:#fff;font-size:14px}
.hd .tel svg{width:17px;height:17px;color:var(--sky)}
.lang{position:relative;color:#fff;font-size:14px;cursor:pointer;display:flex;align-items:center;gap:7px;height:78px}
.lang svg{width:17px;height:17px}
.lang .lm{display:flex;align-items:center;gap:7px}
.lang .lm i{width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);transition:.3s}
.lang:hover .lm i{transform:rotate(225deg)}
.lang .ld{position:absolute;top:66px;right:0;background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:0 18px 44px rgba(8,12,22,.16);padding:8px;min-width:140px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.3s}
.lang:hover .ld{opacity:1;visibility:visible;transform:translateY(0)}
.lang .ld a{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:8px;color:var(--text)!important;font-size:14px}
.lang .ld a:hover{background:var(--paper);color:var(--blue)!important}
.lang .ld a.on{color:var(--blue)!important;font-weight:600}
.hd.solid{background:rgba(10,14,23,.94);backdrop-filter:blur(14px);box-shadow:0 6px 30px rgba(0,0,0,.32)}
.burger{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px;position:relative;z-index:130}
.burger span{display:block;width:24px;height:2px;background:#fff;margin:5px auto;transition:.35s}
/* ---------- hero ---------- */
.hero{position:relative;height:100vh;min-height:640px;background:var(--ink);overflow:hidden}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity 1.1s ease}
.slide.on{opacity:1;visibility:visible}
.slide .bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.08);transition:transform 7s linear}
.slide.on .bg{transform:scale(1)}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(78deg,rgba(4,7,13,.9) 6%,rgba(4,7,13,.58) 40%,rgba(4,7,13,.14) 70%)}
.hcap{position:absolute;left:0;right:0;bottom:0;top:0;z-index:5;display:flex;align-items:center}
.hcap .inner{width:min(1280px,92vw);margin:0 auto}
.hkick{display:inline-flex;align-items:center;gap:10px;color:var(--sky);font-size:14px;letter-spacing:3px;font-weight:500;margin-bottom:22px}
.hkick::before{content:"";width:34px;height:1.5px;background:var(--sky)}
.htit{color:#fff;font-size:clamp(34px,4.6vw,62px);line-height:1.22;font-weight:700;letter-spacing:1px;max-width:16em}
.htit em{font-style:normal;color:var(--sky)}
.hdesc{color:rgba(255,255,255,.82);font-size:clamp(15px,1.2vw,18px);margin:24px 0 40px;max-width:44em;line-height:1.9}
.hbtns{display:flex;gap:16px;flex-wrap:wrap}
.slide .hkick,.slide .htit,.slide .hdesc,.slide .hbtns{opacity:0;transform:translateY(34px);transition:opacity .8s ease,transform .8s ease}
.slide.on .hkick{opacity:1;transform:none;transition-delay:.25s}
.slide.on .htit{opacity:1;transform:none;transition-delay:.42s}
.slide.on .hdesc{opacity:1;transform:none;transition-delay:.6s}
.slide.on .hbtns{opacity:1;transform:none;transition-delay:.78s}
.hnums{position:absolute;right:calc((100vw - min(1280px,92vw))/2);bottom:56px;z-index:6;color:#fff;display:flex;align-items:flex-end;gap:8px;font-size:15px}
.hnums b{font-size:40px;line-height:1;font-weight:700}
.hnums span{opacity:.55;margin-bottom:4px}
.hdots{position:absolute;left:calc((100vw - min(1280px,92vw))/2);bottom:70px;z-index:6;display:flex;gap:10px}
.hdots button{width:34px;height:4px;border:0;border-radius:3px;background:rgba(255,255,255,.32);cursor:pointer;transition:.3s}
.hdots button.on{background:var(--sky);width:52px}
.harr{position:absolute;top:50%;transform:translateY(-50%);z-index:6;width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.06);backdrop-filter:blur(4px);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.3s}
.harr:hover{background:var(--blue);border-color:var(--blue)}
.harr svg{width:20px;height:20px}
.harr.prev{left:26px}.harr.next{right:26px}
/* cursor tag */
.ctag{position:fixed;z-index:200;pointer-events:none;background:var(--sky);color:#0B0F17;font-size:13px;font-weight:600;padding:8px 14px;border-radius:2px;transform:translate(-50%,-140%) scale(.4);opacity:0;transition:opacity .25s,transform .25s;white-space:nowrap}
.ctag.show{opacity:1;transform:translate(-50%,-140%) scale(1)}
/* ---------- common section ---------- */
.sec{padding:104px 0}
.sec.alt{background:var(--paper)}
.shead{max-width:820px;margin-bottom:56px}
.shead.center{margin-left:auto;margin-right:auto;text-align:center}
.skick{display:inline-flex;align-items:center;gap:10px;color:var(--blue);font-size:13px;letter-spacing:3px;font-weight:600;margin-bottom:14px}
.shead.center .skick::before,.shead.center .skick::after{content:"";width:30px;height:1.5px;background:var(--blue);opacity:.4}
.skick::before{content:"";width:30px;height:1.5px;background:var(--blue);opacity:.4}
.stit{font-size:clamp(26px,3vw,40px);line-height:1.3;font-weight:700;color:var(--ink)}
.stit em{font-style:normal;color:var(--blue)}
.sdesc{color:var(--muted);margin-top:16px;font-size:16px}
.more{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:600;font-size:15px}
.more svg{width:18px;height:18px;transition:transform .3s}
.more:hover svg{transform:translateX(5px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:linear-gradient(var(--blue2),var(--blue2)) left/0 100% no-repeat,var(--blue);color:#fff;border:0;border-radius:2px;padding:14px 32px;font-size:15px;font-weight:600;letter-spacing:.5px;cursor:pointer;transition:background-size .45s cubic-bezier(.65,.05,.36,1),box-shadow .3s,transform .3s;font-family:var(--ff)}
.btn:hover{background-size:100% 100%;background:var(--blue2);transform:translateY(-2px);box-shadow:0 12px 30px rgba(30,80,192,.38)}
.btn.ghost{background:linear-gradient(rgba(255,255,255,.94),rgba(255,255,255,.94)) left/0 100% no-repeat,transparent;border:1px solid rgba(255,255,255,.55)}
.btn.ghost:hover{color:var(--ink);box-shadow:none;background-size:100% 100%}
.btn.line{background:transparent;border:1px solid var(--blue);color:var(--blue)}
.btn.line:hover{background:var(--blue);color:#fff}
.btn svg{width:17px;height:17px}
/* reveal */
.rv{opacity:0;transform:translateY(38px);transition:opacity .85s ease,transform .85s ease;transition-delay:var(--d,0s)}
.rv.in{opacity:1;transform:none}
.rv-l{opacity:0;transform:translateX(-44px);transition:.9s ease;transition-delay:var(--d,0s)}
.rv-r{opacity:0;transform:translateX(44px);transition:.9s ease;transition-delay:var(--d,0s)}
.rv-l.in,.rv-r.in{opacity:1;transform:none}
/* ---------- stats ---------- */
.stats{background:var(--ink);position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background:var(--mask),url("../images/app-wastewater.jpg") center/cover fixed}
.stats .grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);padding:64px 0}
.stats.three .grid{grid-template-columns:repeat(3,1fr)}
.stat{padding:10px 34px;border-left:1px solid rgba(255,255,255,.14)}
.stat:first-child{border-left:0}
.stat .n{display:flex;align-items:baseline;gap:5px;color:#fff;font-weight:700}
.stat .n b{font-size:clamp(38px,3.6vw,56px);line-height:1.1;color:#fff;font-weight:700;font-family:Georgia,var(--ff)}
.stat .n i{font-style:normal;font-size:17px;color:var(--sky)}
.stat .t{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px}
/* ---------- about split ---------- */
.aboutg{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.aboutg .im{position:relative}
.aboutg .im>img{width:100%;height:540px;object-fit:cover;border-radius:var(--r);box-shadow:var(--sh2)}
.aboutg .exp{position:absolute;left:26px;bottom:26px;z-index:2;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;border-radius:10px;padding:20px 26px;box-shadow:0 18px 40px rgba(30,80,192,.38);text-align:center}
.aboutg .exp b{font-size:2.1rem;font-family:Georgia,serif;display:block;line-height:1.1}
.aboutg .exp span{font-size:.78rem;letter-spacing:.18em;opacity:.88}
.lead{font-size:16.5px;color:var(--text);line-height:2}
.lead b{color:var(--blue)}
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.feat{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px 18px;transition:.3s}
.feat:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.feat svg{width:26px;height:26px;color:var(--blue)}
.feat b{display:block;color:var(--ink);font-size:15px;margin-top:10px}
.feat span{color:var(--muted);font-size:13px}
/* ---------- band ---------- */
.band{position:relative;background:var(--ink);overflow:hidden}
.band .bg{position:absolute;inset:-12% 0;background-position:center;background-size:cover;background-attachment:fixed;will-change:transform}
.band::after{content:"";position:absolute;inset:0;background:var(--mask)}
.band .wrap{position:relative;z-index:3;color:#fff}
.band .cap-k{font-size:13px;letter-spacing:5px;font-weight:600;color:var(--sky);text-transform:uppercase}
.band h3{font-size:clamp(24px,2.6vw,38px);line-height:1.3;margin:14px 0 0;font-weight:600}
.band h3 em{font-style:normal;color:var(--sky)}
.band p{color:rgba(255,255,255,.78);max-width:640px;margin-top:16px}
.band .band-cta{margin-top:34px}
/* ---------- product showcase (dark, autoplay split) ---------- */
.pshow{padding:104px 0;position:relative;background:var(--ink);overflow:hidden}
.pshow .bandbg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.2}
.pshow .wrap{position:relative;z-index:3}
.pshow .skick{color:var(--sky)}
.pshow .skick::before,.pshow .skick::after{background:var(--sky);opacity:.55}
.pshow .stit{color:#fff}
.pshow .sdesc{color:rgba(255,255,255,.66)}
.psplit{display:grid;grid-template-columns:470px 1fr;gap:54px;align-items:stretch}
.pstab{display:flex;flex-direction:column;gap:6px}
.ptab{position:relative;text-align:left;background:transparent;border:0;border-left:2px solid rgba(255,255,255,.14);padding:15px 0 15px 26px;color:rgba(255,255,255,.55);transition:.35s;cursor:pointer;font-family:var(--ff)}
.ptab .pno{font-family:Georgia,serif;font-size:.95rem;color:rgba(255,255,255,.3);margin-right:12px;transition:color .3s}
.ptab .pname{display:block;font-size:1.04rem;font-weight:600;letter-spacing:.04em}
.ptab .pdesc{display:block;max-height:0;overflow:hidden;color:rgba(255,255,255,.62);font-size:.88rem;line-height:1.8;transition:max-height .5s ease,margin .5s ease}
.ptab .pbar{position:absolute;left:-2px;top:0;bottom:0;width:2px;background:var(--sky);transform:scaleY(0);transform-origin:top}
.ptab.on{color:#fff;border-left-color:transparent}
.ptab.on .pno{color:var(--sky)}
.ptab.on .pdesc{max-height:200px;margin-top:10px}
.ptab.on .pbar{animation:pbar 6.5s linear forwards}
@keyframes pbar{from{transform:scaleY(0)}to{transform:scaleY(1)}}
.psview{position:relative;min-height:520px;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh2)}
.psimg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.06);transition:opacity .8s ease,transform .8s ease}
.psimg.on{opacity:1;transform:scale(1)}
.psview::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,0) 52%,rgba(5,8,15,.74) 100%)}
.psmeta{position:absolute;left:30px;right:30px;bottom:26px;z-index:4;display:flex;align-items:center;justify-content:space-between;gap:16px}
.psmeta .pcat{color:#fff;font-size:.84rem;letter-spacing:.3em;font-weight:600;border-left:3px solid var(--sky);padding-left:12px}
.psmeta .btn{padding:12px 26px;font-size:.86rem}
/* ---------- series cards (image cover) ---------- */
.sgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.scard{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:3/4.1;cursor:pointer;background:var(--ink)}
.scard img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.scard:hover img{transform:scale(1.08)}
.scard .ol{position:absolute;inset:0;background:linear-gradient(185deg,rgba(5,8,15,0) 34%,rgba(5,8,15,.92) 78%);transition:.4s}
.scard .tag{position:absolute;left:26px;top:26px;color:#fff;font-size:12px;letter-spacing:3px;font-weight:600;padding-left:16px}
.scard .tag::before{content:"";position:absolute;left:0;top:calc(50% - .75px);width:10px;height:1.5px;background:var(--sky)}
.scard .nm{position:absolute;left:26px;right:26px;bottom:22px;color:#fff;z-index:3}
.scard .nm h3{font-size:23px;margin-bottom:8px}
.scard .nm p{font-size:13.5px;color:rgba(255,255,255,.78);opacity:0;max-height:0;overflow:hidden;transition:.5s ease}
.scard:hover .nm p{opacity:1;max-height:120px;margin-top:2px}
.scard .go{position:absolute;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(12px);transition:.45s;z-index:3}
.scard .go svg{width:19px;height:19px}
.scard:hover .go{opacity:1;transform:none}
.scard:hover .ol{background:linear-gradient(185deg,rgba(30,79,192,.25) 0%,rgba(5,8,15,.94) 76%)}
/* ---------- strength ---------- */
.strength{position:relative;background:var(--ink);overflow:hidden;padding:104px 0;color:#e9eef7}
.strength .bandbg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22}
.strength .wrap{position:relative;z-index:3}
.strength .skick{color:var(--sky)}
.strength .skick::before,.strength .skick::after{background:var(--sky);opacity:.55}
.strength .stit{color:#fff}
.strength .sdesc{color:rgba(255,255,255,.66)}
.scard4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.s4{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);border-radius:var(--r);padding:34px 28px;backdrop-filter:blur(6px);transition:.35s}
.s4:hover{transform:translateY(-6px);background:rgba(255,255,255,.09);border-color:rgba(126,179,255,.5)}
.s4 .ic{color:var(--sky);margin-bottom:16px}
.s4 .ic svg{width:32px;height:32px}
.s4 .sn{display:flex;align-items:baseline;gap:6px}
.s4 .num{color:var(--sky);font-family:Georgia,serif;font-weight:700;font-size:2.7rem;line-height:1}
.s4 .unit{color:rgba(255,255,255,.85);font-size:1rem}
.s4 b{display:block;color:#fff;margin-top:14px;font-size:1.02rem;letter-spacing:.04em}
.s4 p{color:rgba(255,255,255,.6);font-size:.88rem;margin-top:8px}
.photo-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px}
.ph{position:relative;height:250px;border-radius:var(--r);overflow:hidden;border:1px solid rgba(255,255,255,.14)}
.ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.ph:hover img{transform:scale(1.06)}
.ph span{position:absolute;left:0;right:0;bottom:0;padding:34px 18px 14px;color:#fff;font-size:.9rem;font-weight:600;letter-spacing:.1em;background:linear-gradient(180deg,transparent,rgba(5,8,15,.86))}
/* ---------- honors ---------- */
.hgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.hcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:.4s;cursor:zoom-in}
.hcard:hover{transform:translateY(-8px);box-shadow:var(--sh2)}
.hcard .im{aspect-ratio:4/4.6;border-radius:6px;overflow:hidden;background:var(--paper);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.hcard .im img{width:100%;height:100%;object-fit:contain;transition:transform .6s}
.hcard:hover .im img{transform:scale(1.05)}
.hcard h4{font-size:16.5px;color:var(--ink)}
.hcard p{color:var(--muted);font-size:13.5px;margin-top:6px}
/* ---------- cases ---------- */
.cgrid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.kcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.4s;display:flex;flex-direction:column}
.kcard:hover{transform:translateY(-8px);box-shadow:var(--sh2)}
.kcard .im{position:relative;aspect-ratio:16/8.6;overflow:hidden}
.kcard .im img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.kcard:hover .im img{transform:scale(1.06)}
.kcard .date{position:absolute;right:16px;top:16px;z-index:2;background:rgba(46,107,230,.94);color:#fff;font-size:.74rem;letter-spacing:.1em;padding:6px 12px;border-radius:6px;font-weight:600}
.kcard .bd{padding:24px 26px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.kcard h4{font-size:18px;line-height:1.55;color:var(--ink)}
.kcard p{color:var(--muted);font-size:14px;flex:1}
.kcard .more{color:var(--blue);font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.kcard .more svg{width:15px;height:15px;transition:transform .3s}
.kcard:hover .more svg{transform:translateX(4px)}
/* ---------- culture ---------- */
.culture{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cc{position:relative;border-radius:var(--r);overflow:hidden;height:340px;box-shadow:var(--sh)}
.cc img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.cc:hover img{transform:scale(1.06)}
.cc .cap{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:26px;background:linear-gradient(180deg,rgba(5,8,15,0) 42%,rgba(5,8,15,.88) 100%)}
.cc .ic{color:var(--sky);margin-bottom:8px}
.cc .ic svg{width:26px;height:26px}
.cc .cap b{color:#fff;font-size:1.06rem;letter-spacing:.1em}
.cc .cap span{color:rgba(255,255,255,.78);font-size:.88rem;margin-top:4px}
/* ---------- timeline ---------- */
.tl{position:relative;margin-left:12px}
.tl::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--blue),rgba(46,107,230,.08))}
.tev{position:relative;padding:0 0 48px 44px}
.tev::before{content:"";position:absolute;left:-7px;top:6px;width:16px;height:16px;border-radius:50%;background:#fff;border:4px solid var(--blue);transition:.3s}
.tev:hover::before{background:var(--sky);border-color:var(--sky)}
.tev .yr{display:inline-block;font-size:25px;font-weight:700;color:var(--blue);margin-bottom:8px;font-family:Georgia,var(--ff)}
.tev h4{font-size:18px;color:var(--ink);margin-bottom:6px}
.tev p{color:var(--muted);font-size:15px;max-width:56em}
/* ---------- partners ---------- */
.coop{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cpc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px 28px;transition:.35s;border-top:3px solid transparent}
.cpc:hover{transform:translateY(-6px);box-shadow:var(--sh2);border-top-color:var(--blue)}
.cpc .ic{width:54px;height:54px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;background:linear-gradient(135deg,#EAF1FC,#DCE8FB)}
.cpc .ic svg{width:26px;height:26px;color:var(--blue)}
.cpc b{color:var(--ink);font-size:1.05rem;letter-spacing:.04em}
.cpc p{color:var(--muted);font-size:.9rem;margin-top:10px}
.plogo{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.plc{background:#fff;border:1px solid var(--line);border-radius:12px;height:96px;display:flex;align-items:center;justify-content:center;padding:16px 20px;transition:.3s}
.plc img{max-height:100%;object-fit:contain}
.plc:hover{transform:translateY(-4px);border-color:#BFD4F5;box-shadow:0 14px 30px rgba(10,16,28,.1)}
/* ---------- product cards + modal ---------- */
.ptabs{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:46px}
.ptab2{padding:11px 26px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:.92rem;font-weight:600;letter-spacing:.06em;transition:.25s;cursor:pointer;font-family:var(--ff)}
.ptab2:hover{border-color:#BFD4F5;color:var(--blue)}
.ptab2.on{background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(30,80,192,.3)}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.35s;cursor:pointer}
.pcard:hover{transform:translateY(-8px);box-shadow:var(--sh2)}
.pcard .thumb{position:relative;height:236px;overflow:hidden;background:#DEE6F0}
.pcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.6,.2,1)}
.pcard:hover .thumb img{transform:scale(1.07)}
.pcard .chip{position:absolute;left:16px;top:16px;z-index:2;background:rgba(10,15,25,.78);color:#fff;backdrop-filter:blur(4px);font-size:.74rem;letter-spacing:.16em;padding:6px 14px;border-radius:6px}
.pcard .pmore{position:absolute;left:0;right:0;bottom:0;padding:12px 0;text-align:center;color:#fff;font-size:.82rem;letter-spacing:.18em;background:linear-gradient(0deg,rgba(8,13,24,.9),transparent);opacity:0;transform:translateY(8px);transition:.35s}
.pcard:hover .pmore{opacity:1;transform:none}
.pcard .name{display:block;padding:20px 24px 24px;color:var(--ink);font-size:1.02rem;font-weight:700;line-height:1.55}
.pcard.hide{display:none}
.pmodal{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(5,8,15,.74);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:.3s}
.pmodal.open{opacity:1;visibility:visible}
.pmodal-box{position:relative;width:min(880px,96%);max-height:88vh;overflow:auto;background:#fff;border-radius:14px;display:grid;grid-template-columns:1.05fr 1fr;box-shadow:0 40px 100px rgba(0,0,0,.45);transform:translateY(26px) scale(.97);transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.pmodal.open .pmodal-box{transform:none}
.pmodal-img img{width:100%;height:100%;min-height:380px;object-fit:cover}
.pmodal-info{padding:44px 40px;display:flex;flex-direction:column;gap:14px}
.pcat2{align-self:flex-start;font-size:.74rem;letter-spacing:.16em;color:var(--blue);border:1px solid rgba(46,107,230,.45);border-radius:999px;padding:4px 14px}
.pname2{font-size:1.5rem;color:var(--ink);line-height:1.35}
.pdesc2{color:var(--muted);font-size:.92rem;line-height:1.9;flex:1}
.pmodal-x{position:absolute;top:14px;right:14px;z-index:2;width:38px;height:38px;border-radius:50%;border:0;background:rgba(255,255,255,.94);color:var(--ink);font-size:15px;cursor:pointer;box-shadow:var(--sh);transition:transform .25s}
.pmodal-x:hover{transform:rotate(90deg)}
/* ---------- brand metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mc{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);border-radius:var(--r);padding:34px 28px;text-align:center;transition:.35s}
.mc:hover{transform:translateY(-6px);border-color:rgba(126,179,255,.5);background:rgba(255,255,255,.08)}
.mc .num{color:var(--sky);font-family:Georgia,serif;font-weight:700;font-size:3rem;line-height:1;display:flex;align-items:baseline;justify-content:center;gap:6px}
.mc .num i{font-style:normal;font-size:1.2rem;color:rgba(255,255,255,.85)}
.mc b{display:block;color:#fff;margin-top:12px;font-size:1rem;letter-spacing:.05em}
/* ---------- contact ---------- */
.ctg{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start}
.office{background:#fff;border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:var(--r);padding:32px 34px;margin-bottom:22px;transition:.3s}
.office:hover{box-shadow:var(--sh)}
.office h3{color:var(--ink);font-size:1.14rem;letter-spacing:.04em;margin-bottom:14px;display:flex;align-items:center;gap:12px}
.office h3 svg{width:20px;height:20px;color:var(--blue)}
.office .oi{display:flex;gap:12px;color:var(--muted);font-size:.94rem;margin:8px 0;line-height:1.7}
.office .oi b{color:var(--ink);font-weight:600;flex:0 0 auto}
.office .oi svg{flex:0 0 17px;width:17px;height:17px;color:var(--blue);margin-top:5px}
.qr-row{display:flex;gap:20px;flex-wrap:wrap}
.qr{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;text-align:center;width:168px;transition:.3s}
.qr:hover{box-shadow:var(--sh);transform:translateY(-4px)}
.qr img{width:100%;height:136px;object-fit:contain}
.qr b{display:block;color:var(--ink);font-size:.86rem;margin-top:10px;letter-spacing:.04em}
.cbox{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:40px 38px;box-shadow:var(--sh)}
.cbox h3{color:var(--ink);font-size:1.3rem;letter-spacing:.04em}
.cbox .hint{color:var(--muted);font-size:.9rem;margin:8px 0 24px}
.fld{margin-bottom:18px}
.fld label{display:block;color:var(--ink);font-size:.88rem;font-weight:600;margin-bottom:8px;letter-spacing:.04em}
.fld input,.fld textarea{width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:9px;font-size:.95rem;color:var(--text);background:var(--paper);transition:.25s;outline:0;font-family:var(--ff)}
.fld input:focus,.fld textarea:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(46,107,230,.12)}
.fld textarea{min-height:130px;resize:vertical}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cbox .btn{width:100%;margin-top:6px}
.toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%) translateY(24px);background:var(--ink);color:#fff;padding:15px 30px;border-radius:10px;display:flex;gap:10px;align-items:center;opacity:0;pointer-events:none;transition:.4s;z-index:320;box-shadow:var(--sh2);font-size:.95rem}
.toast .tick{width:22px;height:22px;border-radius:50%;background:#22B573;display:inline-flex;align-items:center;justify-content:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
/* ---------- cta ---------- */
.cta{position:relative;background:var(--ink);padding:86px 0;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(5,8,15,.9) 20%,rgba(5,8,15,.66) 60%,rgba(5,8,15,.42)),url("../images/factory-1.jpg") center/cover fixed}
.cta .wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta h2{color:#fff;font-size:clamp(24px,2.6vw,36px)}
.cta h2 em{font-style:normal;color:var(--sky)}
.cta p{color:rgba(255,255,255,.75);margin-top:10px}
/* ---------- page hero ---------- */
.phero{position:relative;height:52vh;min-height:430px;background:var(--ink);display:flex;align-items:flex-end;overflow:hidden}
.phero .bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.06)}
.phero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.55),rgba(5,8,15,.86))}
.phero .cap{position:relative;z-index:4;width:min(1280px,92vw);margin:0 auto;padding-bottom:58px;color:#fff}
.phero .cap .k{color:var(--sky);font-size:13px;letter-spacing:3px;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.phero .cap .k::before{content:"";width:30px;height:1.5px;background:var(--sky)}
.phero .cap h1{font-size:clamp(30px,3.6vw,48px);font-weight:700}
.phero .cap p{color:rgba(255,255,255,.78);margin-top:12px;max-width:52em}
.crumbs{background:#fff;border-bottom:1px solid var(--line)}
.crumbs .wrap{display:flex;align-items:center;gap:10px;height:52px;font-size:13.5px;color:var(--muted)}
.crumbs a:hover{color:var(--blue)}
.crumbs svg{width:14px;height:14px;opacity:.6}
.crumbs span.on{color:var(--blue);font-weight:600}
/* ---------- footer ---------- */
.ft{background:#090D14;color:rgba(255,255,255,.66);font-size:14px}
.ft .top{display:grid;grid-template-columns:1.35fr .8fr .9fr 1fr;gap:44px;padding:74px 0 50px}
.ft .brand img{height:46px;margin-bottom:20px}
.ft .slog{color:var(--sky);font-weight:600;letter-spacing:.14em;font-size:.92rem;margin-bottom:14px}
.ft .brand p{line-height:1.9}
.ft h5{color:#fff;font-size:16px;margin-bottom:20px;font-weight:600;letter-spacing:1px;position:relative;padding-bottom:12px}
.ft h5::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--sky)}
.ft .links a{display:block;padding:5.5px 0;transition:.25s}
.ft .links a:hover{color:var(--sky);transform:translateX(4px)}
.ft .info{display:grid;gap:10px;margin-top:4px}
.ft .info li{display:flex;gap:10px;line-height:1.8}
.ft .info svg{flex:0 0 16px;width:16px;height:16px;color:var(--sky);margin-top:5px}
.ft .badges{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.ft .badges .bd2{background:#fff;border-radius:10px;padding:9px;display:flex;align-items:center;justify-content:center;height:72px;transition:transform .3s}
.ft .badges .bd2:hover{transform:translateY(-3px)}
.ft .badges .bd2 img{max-height:100%;max-width:100%;object-fit:contain}
.ft .cap{color:rgba(255,255,255,.5);font-size:.72rem;text-align:center;margin-top:6px;letter-spacing:.06em}
.ft .bot{border-top:1px solid rgba(255,255,255,.09);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.42)}
.ft .bot a:hover{color:var(--sky)}
/* ---------- side tool ---------- */
.side{position:fixed;right:20px;bottom:120px;z-index:110;display:flex;flex-direction:column;gap:10px}
.side button{width:50px;height:50px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh);transition:.3s;position:relative}
.side button:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.side button svg{width:22px;height:22px}
.side .pop{position:absolute;right:62px;top:50%;transform:translateY(-50%);background:#fff;border-radius:8px;box-shadow:var(--sh2);padding:12px;opacity:0;visibility:hidden;transition:.3s;text-align:center}
.side button:hover .pop{opacity:1;visibility:visible}
.side .pop img{width:120px;height:120px;object-fit:contain}
.side .pop b{display:block;font-size:12px;margin-top:6px;color:var(--ink)}
/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:300;background:rgba(5,8,15,.9);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:.3s;cursor:zoom-out}
.lb.show{opacity:1;visibility:visible}
.lb img{max-width:min(880px,88vw);max-height:86vh;object-fit:contain;border-radius:6px;box-shadow:var(--sh2)}
/* ---------- responsive ---------- */
@media(max-width:1440px){.hd .tel span{display:none}}
@media(max-width:1360px){.hd .bar{gap:20px}.hd .logo img{height:42px}}
@media(max-width:1200px){
.hd .nav{position:fixed;inset:0;background:rgba(9,13,21,.98);flex-direction:column;padding:100px 8vw 40px;gap:0;transform:translateX(102%);transition:.45s;overflow:auto}
.hd .nav.open{transform:none}
.hd .nav>a{height:58px;font-size:17px;border-bottom:1px solid rgba(255,255,255,.08)}
.burger{display:block;margin-left:auto}
.stats .grid{grid-template-columns:repeat(2,1fr);gap:30px 0}
.auth-grid,.hgrid,.sgrid{grid-template-columns:repeat(2,1fr)}
.scard4,.metrics{grid-template-columns:repeat(2,1fr)}
.psplit{grid-template-columns:1fr;gap:34px}
.psview{min-height:380px}
.pstab{order:2}.psview{order:1}
.aboutg,.ctg{grid-template-columns:1fr}
.pgrid{grid-template-columns:1fr 1fr}
.cgrid{grid-template-columns:1fr}
.coop{grid-template-columns:1fr 1fr}
.culture{grid-template-columns:1fr 1fr}
.plogo{grid-template-columns:repeat(4,1fr)}
.photo-strip{grid-template-columns:1fr 1fr}
.ft .top{grid-template-columns:1fr 1fr;gap:40px}
.phero{height:44vh;min-height:340px}
.band .bg,.stats::before,.cta::before{background-attachment:scroll}
}
@media(max-width:760px){
.sec{padding:72px 0}
.pshow,.strength{padding:72px 0}
.hd .tel{display:none}
.lang .lm{white-space:nowrap;font-size:13px}
.lang{gap:4px}
.hbtns .btn{padding:12px 22px;font-size:14px}
.hdesc{margin:18px 0 26px}
.htit{font-size:30px}
.stats .grid{grid-template-columns:1fr 1fr;gap:34px 0;padding:50px 0}
.stat{padding:0 18px}
.auth-grid,.hgrid,.sgrid,.scard4,.metrics,.pgrid,.coop,.culture{grid-template-columns:1fr}
.plogo{grid-template-columns:repeat(3,1fr)}
.plc{height:76px;padding:10px}
.ft .top{grid-template-columns:1fr;gap:34px}
.hd .bar{height:66px}
.hd .logo img{height:38px}
.hd .nav{padding-top:86px}
.hdots{bottom:18px;top:auto;left:50%;transform:translateX(-50%)}
.hnums{display:none}
.harr{display:none}
.g2 img{height:220px}
.cbox{padding:30px 22px}
.frow{grid-template-columns:1fr}
.pmodal-box{grid-template-columns:1fr}
.pmodal-img img{min-height:240px;height:240px}
.pmodal-info{padding:28px 24px 34px}
.psview{min-height:300px}
.kcard .im{aspect-ratio:16/9}
}
/* ---------- reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
.rv,.rv-l,.rv-r,.slide .hkick,.slide .htit,.slide .hdesc,.slide .hbtns{opacity:1!important;transform:none!important;transition:none!important}
.slide .bg{transform:none!important;transition:none!important}
.ptab.on .pbar{animation:none;transform:scaleY(1)}
.band .bg,.stats::before,.cta::before{background-attachment:scroll}
}

/* ---------- v3.1 首页荣誉补位卡 ---------- */
.hcard.hmore{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy) 0%,var(--ink) 100%);border:1px solid rgba(126,179,255,.32)}
.hcard.hmore .in{text-align:center;color:#fff;padding:20px}
.hcard.hmore .in svg{width:34px;height:34px;color:var(--sky);margin:0 auto 12px;display:block}
.hcard.hmore .in b{font-size:16.5px;letter-spacing:1px}
.hcard.hmore:hover{border-color:var(--sky);transform:translateY(-8px);box-shadow:var(--sh2)}