*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
:root{
  --blue:#2f6bdc; --blue-bright:#4b8bff; --blue-deep:#1a3f8f;
  --green:#7ec64a; --green-bright:#9be05f; --green-deep:#4f9c2e;
  --bg:#f5f8fc; --bg2:#eef3fa; --panel:#ffffff; --panel2:#f7faff;
  --line:rgba(30,70,150,.12); --line2:rgba(30,70,150,.2);
  --title:#0f1f3d; --text:#42526e; --muted:#7588a6;
  /* reference hero palette */
  --primary-navy:#061326; --deep-navy:#031020; --steel-blue:#102B4A;
  --soft-blue:#1B4168; --power-green:#6DBE45; --power-green-dark:#4E9E35;
  --text-muted2:#A8B3C5; --border-light:rgba(255,255,255,.12);
  --fd:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei','PingFang SC',Arial,sans-serif;
  --fm:'Segoe UI Mono','Consolas','SFMono-Regular',ui-monospace,monospace;
}
body{font-family:var(--fd);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}

/* lang switch */
.lang-zh,.lang-en{display:none !important}
body[data-lang="zh"] .lang-zh{display:revert !important}
body[data-lang="en"] .lang-en{display:revert !important}
span.lang-zh,span.lang-en{display:none}
body[data-lang="zh"] span.lang-zh{display:inline !important}
body[data-lang="en"] span.lang-en{display:inline !important}

/* progress */
#prog{position:fixed;top:0;left:0;height:2px;background:linear-gradient(90deg,var(--blue-bright),var(--green-bright));z-index:999;width:100%;transform:scaleX(0);transform-origin:left center;box-shadow:0 0 12px var(--blue-bright)}

/* ambient bg */
.aura{position:fixed;inset:0;z-index:-2;background:
  radial-gradient(900px 600px at 78% -5%,rgba(75,139,255,.14),transparent 62%),
  radial-gradient(800px 600px at 8% 22%,rgba(126,198,74,.10),transparent 58%),
  radial-gradient(1000px 800px at 92% 95%,rgba(75,139,255,.08),transparent 60%),
  var(--bg)}
.grid-bg{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(30,70,150,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(30,70,150,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%,#000,transparent 75%)}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(6,19,38,.55);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid var(--border-light);transition:background .3s,border-color .3s}
.nav.solid{background:rgba(6,19,38,.82);backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);border-bottom:1px solid var(--border-light)}
.ni{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:1320px;margin:0 auto;padding:0 28px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:38px;width:auto;object-fit:contain}
.brand .navlogo{display:inline-flex;width:40px;height:40px}
.brand .navlogo img{width:100%;height:100%;object-fit:contain}
.brand .sep{width:1px;height:26px;background:var(--line2)}
.brand .pk{height:26px;opacity:1;filter:brightness(0) invert(1)}
.nav.solid .brand .pk{filter:brightness(0) invert(1)}
.nlinks{display:flex;gap:30px;list-style:none}
.nlinks a{font-size:13.5px;font-weight:500;color:rgba(255,255,255,.82);text-decoration:none;position:relative;transition:color .2s;letter-spacing:.01em}
.nav.solid .nlinks a{color:rgba(255,255,255,.82)}
.nlinks a:hover{color:#fff}
.nlinks a::after{content:'';position:absolute;left:0;bottom:-7px;width:0;height:2px;background:linear-gradient(90deg,var(--blue-bright),var(--green-bright));transition:width .28s;border-radius:2px}
.nlinks a:hover::after{width:100%}
.nright{display:flex;align-items:center;gap:14px}
.lb{display:flex;background:rgba(255,255,255,.06);border:1px solid var(--border-light);border-radius:9px;overflow:hidden}
.lb button{font-family:var(--fm);font-size:11px;font-weight:600;padding:7px 12px;border:none;background:transparent;color:rgba(255,255,255,.6);cursor:pointer;transition:color .2s,background-color .2s}
.lb button.on{background:rgba(255,255,255,.14);color:#fff}
.cta-sm{display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:9px;background:linear-gradient(135deg,var(--power-green),var(--power-green-dark));color:#06210a;font-size:13px;font-weight:700;text-decoration:none;transition:transform .25s,box-shadow .25s;box-shadow:0 0 0 rgba(109,190,69,0)}
.cta-sm:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(109,190,69,.35)}
.hb{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.hb span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.mob{position:fixed;top:72px;left:0;right:0;background:rgba(6,19,38,.94);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-light);padding:0 28px;max-height:0;overflow:hidden;transition:max-height .35s;z-index:99}
.mob.open{max-height:440px;padding:12px 28px 24px}
.mob a{display:block;padding:14px 0;font-size:15px;color:rgba(255,255,255,.85);text-decoration:none;border-bottom:1px solid var(--border-light)}
.mob .mw{display:block;text-align:center;margin-top:16px;padding:13px;background:linear-gradient(135deg,var(--power-green),var(--power-green-dark));color:#06210a;border-radius:10px;font-weight:700;text-decoration:none}
@media(max-width:920px){.nlinks,.cta-sm{display:none}.hb{display:flex}}

/* HERO */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:130px 28px 70px;background:linear-gradient(135deg,var(--deep-navy) 0%,var(--primary-navy) 38%,var(--steel-blue) 100%);overflow:hidden}
/* factory-depth photo layer */
.hero .hero-bg{position:absolute;inset:0;background:url('/assets/images/hero-bg.jpg') center 40%/cover no-repeat;opacity:.62;z-index:0;-webkit-mask-image:linear-gradient(102deg,transparent 4%,rgba(0,0,0,.5) 32%,#000 56%,#000 100%);mask-image:linear-gradient(102deg,transparent 4%,rgba(0,0,0,.5) 32%,#000 56%,#000 100%)}
/* blue light source + world-map dots + grid + bottom vignette */
.hero::before{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;background:
  radial-gradient(ellipse 60% 50% at 72% 18%,rgba(75,140,255,.26),transparent 64%),
  radial-gradient(ellipse 70% 60% at 86% 50%,rgba(27,65,104,.30),transparent 72%),
  radial-gradient(circle 1.4px at 30% 42%,rgba(140,175,230,.45) 1px,transparent 0),
  radial-gradient(ellipse 50% 45% at 6% 94%,rgba(109,190,69,.06),transparent 60%),
  linear-gradient(to bottom,transparent 52%,rgba(3,10,22,.66) 100%);
  background-size:auto,auto,28px 28px,auto,auto}
.hero::after{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;background-image:linear-gradient(rgba(150,180,230,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(150,180,230,.05) 1px,transparent 1px);background-size:70px 70px;-webkit-mask-image:radial-gradient(ellipse 88% 72% at 62% 38%,#000,transparent 80%);mask-image:radial-gradient(ellipse 88% 72% at 62% 38%,#000,transparent 80%)}
.hero-wrap{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:42% 58%;gap:28px;align-items:center;width:100%;position:relative;z-index:2}
.hero-left{position:relative;z-index:3}
.h-badge{display:inline-flex;align-items:center;gap:9px;padding:8px 17px;border-radius:100px;background:linear-gradient(160deg,rgba(120,160,255,.14),rgba(120,160,255,.06));border:1px solid rgba(120,160,255,.24);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font-family:var(--fm);font-size:12px;font-weight:600;color:#a8c4ff;letter-spacing:.04em;margin-bottom:28px}
.h-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--green-bright);box-shadow:0 0 10px var(--green-bright);animation:pls 2s infinite}
@keyframes pls{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}
.hero h1{font-size:clamp(34px,4.7vw,62px);font-weight:800;line-height:1.12;letter-spacing:-.02em;color:#fff;margin-bottom:24px}
body[data-lang="en"] .hero h1{letter-spacing:-.03em;line-height:1.08}
.hero h1 .nb{white-space:nowrap}
.hero h1 .grad{background:linear-gradient(100deg,var(--power-green) 0%,#8fd861 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 .sub{display:block;font-size:34%;font-weight:400;color:#9fb0c8;margin-top:18px;letter-spacing:0;line-height:1.5}
.h-desc{font-size:clamp(15px,1.5vw,16.5px);color:#b8c4d6;max-width:460px;margin-bottom:32px;line-height:1.8}
.h-desc strong{color:#8fd861;font-weight:700}
.h-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.btn-pri{display:inline-flex;align-items:center;gap:9px;padding:16px 34px;border-radius:11px;background:linear-gradient(135deg,var(--power-green),var(--power-green-dark));color:#06210a;font-weight:700;font-size:15px;text-decoration:none;transition:transform .25s,box-shadow .25s;box-shadow:0 8px 28px rgba(109,190,69,.32)}
.btn-pri:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(109,190,69,.45)}
.btn-sec{display:inline-flex;align-items:center;gap:9px;padding:16px 34px;border-radius:11px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);color:#fff;font-weight:600;font-size:15px;text-decoration:none;transition:transform .25s,background-color .25s,border-color .25s}
.btn-sec:hover{background:rgba(120,160,255,.16);border-color:rgba(120,160,255,.5)}
.h-stats{display:flex;gap:0;flex-wrap:wrap;align-items:center}
.h-stat{display:flex;align-items:center;gap:13px;padding:0 26px;position:relative}
.h-stat:not(:last-child)::after{content:'';position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:38px;background:linear-gradient(to bottom,transparent,rgba(150,175,220,.28),transparent)}
.h-stat:first-child{padding-left:0}
.hs-ic{width:38px;height:38px;flex-shrink:0;border-radius:10px;border:1px solid rgba(150,175,220,.28);display:flex;align-items:center;justify-content:center;background:rgba(120,160,255,.06)}
.hs-ic svg{width:19px;height:19px;stroke:#8fb4f0;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.h-stat .v{font-family:var(--fm);font-size:clamp(26px,2.8vw,34px);font-weight:700;color:#fff;line-height:1;letter-spacing:-.02em}
.h-stat .v .u{color:#8fd861}
.h-stat .l{font-size:12.5px;color:#8294ad;margin-top:7px}

/* hero visual - 机组大图 */
.hero-vis{position:relative;display:flex;align-items:center;justify-content:flex-end;overflow:visible}
.hero-machine{position:relative;width:100%;display:flex;align-items:center;justify-content:center}
/* soft blue depth glow behind machine — embeds it into the space */
.hero-machine::before{content:'';position:absolute;width:78%;height:60%;left:18%;top:14%;background:radial-gradient(ellipse 50% 50% at 50% 50%,rgba(75,140,255,.16),transparent 70%);filter:blur(28px);z-index:0;pointer-events:none}
/* tight soft contact shadow only — no concrete base */
.hero-machine::after{content:'';position:absolute;bottom:7%;left:20%;right:2%;height:22px;background:radial-gradient(ellipse 48% 100% at 50% 50%,rgba(0,0,0,.66),transparent 76%);filter:blur(13px);z-index:1}
.hero-machine>img{width:132%;max-width:none;margin-left:-13%;filter:drop-shadow(0 24px 44px rgba(0,0,0,.55));position:relative;z-index:2}
/* faint floor reflection beneath the machine */
.hero-machine .reflect{position:absolute;bottom:-2%;left:-13%;width:132%;transform:scaleY(-1);opacity:.09;-webkit-mask-image:linear-gradient(to bottom,#000,transparent 34%);mask-image:linear-gradient(to bottom,#000,transparent 34%);pointer-events:none;z-index:1;filter:blur(.6px)}
@keyframes floatm{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.hm-tag{position:absolute;display:flex;align-items:center;gap:13px;background:linear-gradient(160deg,rgba(18,38,68,.72),rgba(6,19,38,.62));backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%);border:1px solid var(--border-light);border-top-color:rgba(255,255,255,.22);border-radius:16px;padding:13px 18px;box-shadow:0 18px 44px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.08)}
.hm-tag .hm-ic{width:38px;height:38px;flex-shrink:0;border-radius:11px;background:rgba(109,190,69,.16);border:1px solid rgba(109,190,69,.4);display:flex;align-items:center;justify-content:center}
.hm-tag .hm-ic svg{width:20px;height:20px;fill:#8fd861}
.hm-tag .hm-tt{font-size:13px;font-weight:600;color:#cdd8e8;line-height:1.35}
.hm-tag .hm-tt b{display:block;font-family:var(--fm);font-size:16px;color:#fff;font-weight:700;margin-top:2px;letter-spacing:.01em}
.hm-tag b{display:block;font-family:var(--fm);font-size:12px;color:#8fd861;font-weight:700;margin-top:3px;letter-spacing:.02em}
.hm-tag.hm-t1{top:4%;right:-1%;animation:floatm 6s ease-in-out infinite;z-index:4}

@media(max-width:960px){
  .hero{min-height:auto;padding:110px 22px 60px}
  .hero-wrap{grid-template-columns:1fr;gap:40px}
  .hero-vis{order:-1}
  .hero-machine>img{width:100%;margin-left:0}
  .hero-machine .reflect{width:100%;left:0}
  .hero-machine::before{display:none}
  .hero-machine::after{left:8%;right:8%}
  .hm-tag.hm-t1{top:0;right:0}
  .hm-tag{padding:10px 14px}
  .h-stats{gap:0}
  .h-desc{max-width:none}
}
@media(max-width:560px){
  .h-stat{padding:0 14px}
  .h-stat:not(:last-child)::after{height:30px}
  .hm-tag .hm-tt{font-size:12px}
}

/* SECTION base */
.sec{position:relative;padding:clamp(58px,7vw,100px) 28px}
.wrap{max-width:1320px;margin:0 auto}
.sh{max-width:680px;margin:0 auto 44px;text-align:center}
.sh.left{margin-left:0;text-align:left}
.ey{display:inline-flex;align-items:center;gap:8px;font-family:var(--fm);font-size:12px;font-weight:600;color:var(--green-deep);letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
.ey::before{content:'';width:24px;height:1px;background:var(--green-deep)}
.sh h2{font-size:clamp(28px,4vw,46px);font-weight:700;color:var(--title);letter-spacing:-.03em;line-height:1.1;margin-bottom:16px}
.sh p{font-size:16px;color:var(--text);line-height:1.75}

/* TRUST strip */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.5)}
.trust-g{max-width:1320px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr)}
.ti{padding:36px 24px;text-align:center;border-right:1px solid var(--line);position:relative}
.ti:last-child{border-right:none}
.ti .tv{font-family:var(--fm);font-size:clamp(28px,3.4vw,44px);font-weight:700;background:linear-gradient(135deg,var(--blue-bright),var(--green-bright));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.12;letter-spacing:0;padding:2px 4px;display:inline-block}
.ti .tl{font-size:13px;color:var(--muted);margin-top:10px}
@media(max-width:760px){.trust-g{grid-template-columns:1fr 1fr}.ti{border-bottom:1px solid var(--line)}.ti:nth-child(2){border-right:none}}

/* PRODUCTS */
.pf{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:40px}
.pf button{font-family:var(--fm);font-size:12.5px;font-weight:600;padding:10px 22px;border-radius:100px;border:1px solid var(--line2);background:rgba(120,150,220,.04);color:var(--text);cursor:pointer;transition:color .22s,background-color .22s,border-color .22s,transform .22s}
.pf button:hover{color:var(--title);border-color:var(--blue-bright)}
.pf button.on{background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;border-color:transparent;box-shadow:0 6px 20px rgba(47,107,220,.3)}
.pg{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pc{position:relative;background:#fff;border:1px solid #dfe7f1;border-radius:20px;overflow:hidden;box-shadow:0 8px 24px rgba(16,38,73,.06);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.pc::before{content:'';position:absolute;inset:0;border-radius:18px;padding:1px;background:linear-gradient(160deg,rgba(75,139,255,.5),transparent 40%,transparent 60%,rgba(126,198,74,.4));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .35s;pointer-events:none}
.pc:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(16,38,73,.1)}
.pc:hover::before{opacity:1}
.pc.hide{display:none}
.pc-img{height:250px;position:relative;display:flex;align-items:center;justify-content:center;padding:24px 24px 12px;background:linear-gradient(180deg,#f3f7fc 0%,#eaf0f7 100%);border-radius:20px 20px 0 0;overflow:hidden}
.pc-img::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(30,70,150,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(30,70,150,.05) 1px,transparent 1px);background-size:28px 28px;opacity:.8}
.pc-img svg{width:80px;height:80px;stroke:var(--blue-bright);fill:none;stroke-width:1.1;opacity:.55;position:relative;z-index:1}
.pb{position:absolute;top:14px;left:14px;z-index:2;font-family:var(--fm);font-size:9.5px;font-weight:700;padding:5px 12px;border-radius:100px;text-transform:uppercase;letter-spacing:.06em}
.pb-b{background:var(--blue);color:#fff}.pb-g{background:var(--green);color:#06210a}.pb-go{background:#e0a534;color:#2a1c00}
.pc-bd{padding:22px 24px 24px}
.pc-bd h3{font-size:20px;font-weight:800;color:#1a2b49;line-height:1.35;margin-bottom:6px}
.pc-bd .md{font-family:var(--fm);font-size:15px;color:#2d6bff;font-weight:700;line-height:1.5;margin-bottom:16px}
.sps{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid #e7edf4;border-bottom:1px solid #e7edf4;padding:8px 0;margin-bottom:18px}
.ss{display:flex;flex-direction:column;gap:3px;padding:11px 8px}
.ss .sv{font-family:var(--fm);font-size:15px;font-weight:700;color:#23344e}
.ss .sl{font-family:var(--fm);font-size:11px;color:#8a97a8;letter-spacing:.03em;text-transform:uppercase;font-weight:600;margin-top:2px}
.pa{display:flex;gap:10px}
.pa a{flex:1;display:flex;align-items:center;justify-content:center;height:46px;font-family:var(--fm);font-size:14px;font-weight:700;border-radius:12px;text-decoration:none;transition:color .2s,background-color .2s,border-color .2s,transform .2s}
.pa .ds{color:#23344e;border:1px solid #cad6e5;background:#fff}.pa .ds:hover{border-color:#2d6bff;color:#1a2b49}
.pa .iq{color:#fff;background:#63b32e;border:1px solid #63b32e}.pa .iq:hover{background:#559726;border-color:#559726;box-shadow:0 6px 18px rgba(99,179,46,.3)}
@media(max-width:900px){.pg{grid-template-columns:1fr 1fr}}@media(max-width:600px){.pg{grid-template-columns:1fr}.sps{grid-template-columns:1fr 1fr}}

/* unified inline icons */
.svi{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.svi svg{stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.ngf .fi .svi svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:1.8}
.ib h4 .svi{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff}
.ib h4 .svi svg{width:16px;height:16px}
.ib h4 .flagbox{display:inline-flex;width:30px;height:20px;border-radius:4px;overflow:hidden;box-shadow:0 1px 4px rgba(0,0,0,.18);border:1px solid rgba(0,0,0,.06);flex-shrink:0}
.ib h4 .flagbox svg{width:100%;height:100%;display:block}
.flag-sm{display:inline-flex;width:18px;height:12px;border-radius:2px;overflow:hidden;vertical-align:-1px;box-shadow:0 0 0 1px rgba(0,0,0,.06)}
.flag-sm svg{width:100%;height:100%;display:block}
.flag .flag-lg{display:inline-flex;width:56px;height:38px;border-radius:6px;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,.18);border:1px solid rgba(0,0,0,.06)}
.flag .flag-lg svg{width:100%;height:100%;display:block}


.rw .svi{width:17px;height:17px;color:var(--blue);margin-top:1px}
.rw .svi svg{width:16px;height:16px}
.ng-card .addr .svi{color:var(--green-deep);width:20px;height:20px;margin-top:1px}
.abc .ad .svi{color:var(--blue);width:18px;height:18px;margin-top:1px}
.chip .ico .svi svg{width:18px;height:18px}
.chip .ico.b .svi{color:var(--blue)}.chip .ico.g .svi{color:var(--green-deep)}

/* FAQ */
.faq-wrap{max-width:840px;margin:0 auto}
.faq{background:linear-gradient(160deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:border-color .25s}
.faq:hover{border-color:var(--line2)}
.faq summary{list-style:none;cursor:pointer;padding:20px 24px;font-size:15.5px;font-weight:600;color:var(--title);display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .qi{width:24px;height:24px;flex-shrink:0;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;transition:transform .3s}
.faq[open] summary .qi{transform:rotate(45deg)}
.faq .fa{padding:0 24px 20px;font-size:14.5px;color:var(--text);line-height:1.75}
.faq .fa strong{color:var(--green-deep);font-weight:700}

/* High-intent inquiry paths */
.lp-quick{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-top:28px}
.lp-card{min-width:0;padding:20px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(160deg,var(--panel),var(--bg2));box-shadow:0 10px 24px rgba(30,70,150,.05);transition:transform .25s,border-color .25s}
.lp-card:hover{transform:translateY(-3px);border-color:rgba(255,111,0,.45);text-decoration:none}
.lp-card strong{display:block;color:var(--title);font-size:15px;line-height:1.35;margin-bottom:8px}
.lp-card span{display:block;color:var(--text);font-size:13px;line-height:1.55}
@media(max-width:1100px){.lp-quick{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.lp-quick{grid-template-columns:1fr}.lp-card{padding:17px}}

/* CERT / trust marks */
.certs{padding:clamp(40px,5vw,64px) 28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.5)}
.certs .lead{text-align:center;font-family:var(--fm);font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin-bottom:30px}
.cert-row{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.cert{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border:1px solid var(--line2);border-radius:12px;background:var(--panel);transition:transform .25s,border-color .25s,background-color .25s}
.cert:hover{border-color:var(--blue);box-shadow:0 8px 22px rgba(30,70,150,.1);transform:translateY(-2px)}
.cert .ci{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--blue-deep));display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cert .ci svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.cert .ct{font-size:13.5px;font-weight:700;color:var(--title);line-height:1.3}
.cert .ct span{display:none}
.cert .ct span.t1{font-size:14px;font-weight:700;color:var(--title);line-height:1.3}
.cert .ct span.t2{font-family:var(--fm);font-size:10.5px;color:var(--muted);font-weight:600;margin-top:4px;letter-spacing:.02em;line-height:1.2}
body[data-lang="zh"] .cert .ct span.t1.lang-zh,body[data-lang="zh"] .cert .ct span.t2.lang-zh{display:block !important}
body[data-lang="en"] .cert .ct span.t1.lang-en,body[data-lang="en"] .cert .ct span.t2.lang-en{display:block !important}


.pc-img.has-img{background:linear-gradient(180deg,#f3f7fc 0%,#eaf0f7 100%)}
.pc-img.has-img::after{opacity:0}
.pc-img.has-img img{position:relative;width:auto;height:auto;max-width:86%;max-height:180px;object-fit:contain;z-index:1;transition:transform .45s;filter:drop-shadow(0 10px 22px rgba(30,70,150,.14))}
.pc:hover .pc-img.has-img img{transform:scale(1.02)}

/* WHY / features */
.why-g{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.wc{position:relative;padding:36px 30px;background:linear-gradient(160deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:18px;transition:transform .3s,border-color .3s,box-shadow .3s;overflow:hidden}
.wc::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--green));transform:scaleX(0);transform-origin:left;transition:transform .35s}
.wc:hover{border-color:var(--line2);transform:translateY(-5px);box-shadow:0 20px 44px rgba(30,70,150,.1)}
.wc:hover::after{transform:scaleX(1)}
.wc .wi{width:60px;height:60px;border-radius:15px;background:linear-gradient(135deg,var(--blue),var(--blue-deep));display:flex;align-items:center;justify-content:center;margin-bottom:22px;box-shadow:0 10px 24px rgba(47,107,220,.28);transition:transform .3s}
.wc:hover .wi{transform:scale(1.06) rotate(-3deg)}
.wc .wi svg{width:28px;height:28px;stroke:#fff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.wc h3{font-size:18px;font-weight:700;color:var(--title);margin-bottom:10px}
.wc p{font-size:14.5px;color:var(--text);line-height:1.7}
@media(max-width:880px){.why-g{grid-template-columns:1fr}}

/* NIGERIA */
.ng{position:relative;border-top:1px solid var(--line)}
.ng::before{content:'';position:absolute;inset:0;background:radial-gradient(700px 500px at 20% 30%,rgba(126,198,74,.1),transparent 60%);pointer-events:none}
.ng-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative}
.ng-feats .ngf{align-self:start}
.ng h2{font-size:clamp(26px,3.6vw,40px);font-weight:700;color:var(--title);letter-spacing:-.03em;line-height:1.12;margin-bottom:18px}
.ng h2 .g{background:linear-gradient(110deg,var(--green-bright),var(--blue-bright));-webkit-background-clip:text;background-clip:text;color:transparent}
.ng p{font-size:15.5px;color:var(--text);line-height:1.8;margin-bottom:26px}
.ng-feats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ngf{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:16px;padding:24px 22px;background:#fff;border:1px solid #dfe7f1;border-radius:16px;box-shadow:0 6px 18px rgba(16,38,73,.05);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.ngf:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(16,38,73,.1);border-color:#cdd9ea}
.ngf:hover .fi{transform:scale(1.08) rotate(-4deg)}
.ngf .fi{width:50px;height:50px;border-radius:14px;background:linear-gradient(140deg,#7ec64a,#4e9b2a);display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 8px 18px rgba(99,179,46,.28),inset 0 1px 0 rgba(255,255,255,.4);transition:transform .3s}
.ngf .ft{font-size:16px;font-weight:700;color:#1a2b49;line-height:1.4;flex:none;width:100%}
.ngf .ft span{display:block;font-size:12.5px;color:#6d7a8b;font-weight:500;margin-top:5px;line-height:1.5}
.ng-card{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line2);background:linear-gradient(160deg,var(--panel),var(--bg2));padding:40px 34px;box-shadow:0 24px 60px rgba(30,70,150,.12)}
.ng-card .flag{font-size:40px;margin-bottom:16px}
.ng-card h3{font-size:20px;font-weight:700;color:var(--title);margin-bottom:6px}
.ng-card .role{font-family:var(--fm);font-size:12px;color:var(--green-deep);font-weight:600;letter-spacing:.04em;margin-bottom:22px}
.ng-card .addr{display:flex;align-items:flex-start;gap:11px;font-size:13.5px;color:var(--text);line-height:1.6;padding-top:20px;border-top:1px solid var(--line)}
.ng-card .addr .pin{flex-shrink:0}
@media(max-width:880px){.ng-grid{grid-template-columns:1fr;gap:40px}.ng-feats{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.ng-feats{grid-template-columns:1fr}}

/* CASES */
.cases{position:relative;background:linear-gradient(180deg,#061326 0%,#0d2441 58%,#f5f8fc 58%,#f5f8fc 100%);overflow:hidden}
.cases::before{content:'';position:absolute;inset:0 0 auto 0;height:58%;background-image:linear-gradient(rgba(150,180,230,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(150,180,230,.06) 1px,transparent 1px);background-size:58px 58px;opacity:.9;pointer-events:none}
.case-head{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:end;margin-bottom:34px;color:#fff}
.case-head>*{min-width:0}
.case-head .ey{color:#8fd861}.case-head .ey::before{background:#8fd861}
.case-head h2{font-size:clamp(28px,4vw,44px);font-weight:760;line-height:1.12;letter-spacing:0;color:#fff;margin-bottom:16px;overflow-wrap:anywhere}
.case-head p{font-size:15.5px;color:#b8c4d6;line-height:1.8;max-width:650px}
.case-proof{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:18px;overflow:hidden}
.case-proof div{padding:22px 18px;border-right:1px solid rgba(255,255,255,.12)}
.case-proof div:last-child{border-right:none}
.case-proof b{display:block;font-family:var(--fm);font-size:26px;line-height:1;color:#fff;margin-bottom:8px}
.case-proof span{display:block;font-size:12.5px;line-height:1.45;color:#9fb0c8}
.case-grid{position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;align-items:stretch}
.case-main,.case-side{min-width:0}
.case-main{position:relative;display:grid;grid-template-columns:.92fr 1.08fr;background:#fff;border:1px solid #dfe7f1;border-radius:20px;overflow:hidden;box-shadow:0 22px 54px rgba(6,19,38,.14)}
.case-visual{position:relative;min-height:390px;background:linear-gradient(160deg,#eaf1f8,#dfe9f4);display:flex;align-items:center;justify-content:center;overflow:hidden}
.case-visual::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(30,70,150,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(30,70,150,.08) 1px,transparent 1px);background-size:34px 34px}
.case-visual::after{content:'';position:absolute;left:12%;right:10%;bottom:13%;height:18px;background:radial-gradient(ellipse 50% 100% at 50% 50%,rgba(0,0,0,.34),transparent 75%);filter:blur(10px)}
.case-visual img{position:relative;z-index:1;width:112%;max-width:520px;filter:drop-shadow(0 18px 28px rgba(16,38,73,.24))}
.case-visual.photo{align-items:stretch;background:#dfe7f0}
.case-visual.photo::before,.case-visual.photo::after{display:none}
.case-visual.photo img{width:100%;height:100%;max-width:none;object-fit:cover;filter:none}
.case-body{padding:34px 32px;display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.case-kicker{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.case-kicker span{font-family:var(--fm);font-size:11px;font-weight:700;color:#0d2441;background:#eef4fb;border:1px solid #dbe6f2;border-radius:100px;padding:6px 10px}
.case-body h3{font-size:24px;line-height:1.2;color:var(--title);font-weight:780;margin-bottom:14px;letter-spacing:0;overflow-wrap:anywhere;word-break:break-word}
.case-body p{font-size:14.5px;color:var(--text);line-height:1.75}
.case-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.case-spec{padding:14px 12px;border:1px solid #e0e8f2;border-radius:14px;background:#f8fbff}
.case-spec b{display:block;font-family:var(--fm);font-size:18px;color:#1a3f8f;line-height:1.1;margin-bottom:6px}
.case-spec span{display:block;font-size:11.5px;color:#71829b;line-height:1.35}
.case-actions{display:flex;gap:10px;flex-wrap:wrap}
.case-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border-radius:11px;text-decoration:none;font-family:var(--fm);font-size:13px;font-weight:700}
.case-actions .primary{background:linear-gradient(135deg,var(--green),var(--green-deep));color:#06210a}
.case-actions .ghost{border:1px solid #cad6e5;color:#23344e;background:#fff}
.case-side{display:grid;grid-template-rows:1fr 1fr;gap:22px}
.case-mini{position:relative;background:#fff;border:1px solid #dfe7f1;border-radius:20px;overflow:hidden;box-shadow:0 18px 44px rgba(16,38,73,.1);display:grid;grid-template-columns:38% 62%}
.case-mini .pic{position:relative;background:linear-gradient(160deg,#eef4fb,#dfe9f4);display:flex;align-items:center;justify-content:center;overflow:hidden}
.case-mini .pic img{width:132%;max-width:260px;filter:drop-shadow(0 12px 22px rgba(16,38,73,.18))}
.case-mini .copy{padding:24px 22px}
.case-mini .tag{font-family:var(--fm);font-size:10.5px;font-weight:700;color:var(--green-deep);letter-spacing:.04em;text-transform:uppercase;margin-bottom:10px}
.case-mini h3{font-size:18px;line-height:1.25;color:var(--title);margin-bottom:10px;overflow-wrap:anywhere;word-break:break-word}
.case-mini p{font-size:13.5px;line-height:1.65;color:var(--text);margin-bottom:14px}
.case-mini .mini-meta{display:flex;gap:8px;flex-wrap:wrap}
.case-mini .mini-meta span{font-family:var(--fm);font-size:11px;color:#2d4363;background:#f3f7fc;border:1px solid #dfe7f1;border-radius:100px;padding:5px 9px}
.case-gallery{position:relative;margin-top:22px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.case-tile{background:#fff;border:1px solid #dfe7f1;border-radius:18px;overflow:hidden;box-shadow:0 16px 38px rgba(16,38,73,.1);min-width:0}
.case-tile .thumb{height:190px;background:#e8eef6;overflow:hidden}
.case-tile .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.case-tile .text{padding:18px 16px 16px}
.case-tile .tag{font-family:var(--fm);font-size:10.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--green-deep);margin-bottom:10px}
.case-tile h3{font-size:16px;line-height:1.28;color:var(--title);margin-bottom:10px;overflow-wrap:anywhere;word-break:break-word}
.case-tile p{font-size:12.8px;line-height:1.62;color:var(--text);margin-bottom:12px}
.case-tile .mini-meta{display:flex;gap:7px;flex-wrap:wrap}
.case-tile .mini-meta span{font-family:var(--fm);font-size:10.5px;color:#2d4363;background:#f3f7fc;border:1px solid #dfe7f1;border-radius:100px;padding:5px 8px}
.case-note{position:relative;margin-top:22px;padding:18px 22px;border-left:3px solid var(--green);background:rgba(255,255,255,.78);border-radius:0 14px 14px 0;color:#52627a;font-size:13.5px;line-height:1.75}
@media(max-width:1180px){.case-gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:980px){.case-head,.case-grid,.case-main{grid-template-columns:1fr}.case-proof{max-width:720px}.case-side{grid-template-rows:auto}.case-visual{min-height:280px}.case-gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.cases{background:linear-gradient(180deg,#061326 0%,#0d2441 48%,#f5f8fc 48%,#f5f8fc 100%);overflow:hidden}.cases::before{height:48%}.cases .wrap,.case-head,.case-grid,.case-main,.case-mini,.case-gallery,.case-tile,.case-proof,.case-note{width:100%;max-width:100%;min-width:0}.cases .lang-zh{overflow-wrap:break-word;word-break:normal}.case-head{gap:22px;margin-bottom:24px}.case-head h2{font-size:24px;line-height:1.22;overflow-wrap:break-word;word-break:normal}.case-head p,.case-body p,.case-mini p,.case-tile p,.case-note{font-size:14px;overflow-wrap:break-word;word-break:normal}.case-proof{grid-template-columns:1fr}.case-proof div{border-right:none;border-bottom:1px solid rgba(255,255,255,.12);padding:16px}.case-proof div:last-child{border-bottom:none}.case-main,.case-mini,.case-tile{border-radius:16px;max-width:100%;overflow:hidden}.case-visual{min-height:240px}.case-visual img{width:96%;max-width:330px}.case-body{padding:24px 18px;min-width:0}.case-body h3{font-size:20px;overflow-wrap:break-word;word-break:normal}.case-specs{grid-template-columns:1fr}.case-mini,.case-gallery{grid-template-columns:1fr}.case-mini .pic{min-height:170px}.case-mini .pic img{width:92%}.case-tile .thumb{height:210px}.case-actions{display:grid;grid-template-columns:1fr}.case-actions a{text-align:center}}

/* ABOUT two cards */
.ab-g{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.abc{position:relative;padding:38px 34px;background:linear-gradient(160deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:20px;overflow:hidden}
.abc .top{display:flex;align-items:center;gap:16px;margin-bottom:22px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.abc .top img{height:84px;width:auto;opacity:1}
.abc .top .zsbox{width:58px;height:58px;flex-shrink:0;box-shadow:0 8px 20px rgba(47,107,220,.18)}
.abc .top .zsbox img{width:100%;height:100%;object-fit:contain}
.abc .top h3{font-size:16px;font-weight:700;color:var(--title);line-height:1.3}
.abc .top .rl{font-family:var(--fm);font-size:11px;color:var(--green-deep);font-weight:700;margin-top:4px}
.abc p{font-size:14px;color:var(--text);line-height:1.75}
.abc p strong{color:var(--title);font-weight:600}
.abc .ad{display:flex;align-items:flex-start;gap:10px;margin-top:20px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.6}
@media(max-width:840px){.ab-g{grid-template-columns:1fr}}

/* CONTACT */
.cn-g{display:grid;grid-template-columns:1.3fr 1fr;gap:36px;align-items:start}
.cf{background:linear-gradient(160deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:20px;padding:34px}
.fr2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.fg{display:flex;flex-direction:column;gap:7px}
.fg label{font-size:12.5px;font-weight:600;color:var(--text)}
.fg label .rq{color:var(--green-bright)}
.fg input,.fg select,.fg textarea{background:#fff;border:1px solid var(--line2);border-radius:10px;padding:12px 14px;color:var(--title);font-family:var(--fd);font-size:14px;transition:border-color .2s,box-shadow .2s,background-color .2s;width:100%}
.fg input:focus,.fg select:focus,.fg textarea:focus{outline:none;border-color:var(--blue-bright);box-shadow:0 0 0 3px rgba(75,139,255,.14)}
.fg select{cursor:pointer}.fg select option{background:#fff}
.fg textarea{resize:vertical}
.fg.full{margin-bottom:16px}
.sb{width:100%;padding:16px;border-radius:11px;border:none;background:linear-gradient(135deg,var(--green),var(--green-deep));color:#06210a;font-family:var(--fd);font-weight:700;font-size:15px;cursor:pointer;transition:transform .25s,box-shadow .25s,opacity .25s;margin-bottom:14px}
.sb:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(126,198,74,.32)}
.wb{display:flex;align-items:center;justify-content:center;gap:9px;padding:14px;border-radius:11px;border:1px solid var(--line2);color:var(--title);text-decoration:none;font-weight:600;font-size:14px;transition:color .2s,background-color .2s,border-color .2s,transform .2s}
.wb:hover{border-color:var(--green-bright);background:rgba(126,198,74,.08)}
.ic{display:flex;flex-direction:column;gap:18px}
.ib{background:linear-gradient(160deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:16px;padding:26px}
.ib h4{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--title);margin-bottom:18px}
.rw{display:flex;align-items:flex-start;gap:11px;font-size:13.5px;color:var(--text);line-height:1.6;margin-bottom:13px}
.rw .k{flex-shrink:0;display:inline-flex}
.rw:last-child{margin-bottom:0}
.rw .k{flex-shrink:0}
.rw a{color:var(--blue);text-decoration:none}
.rw a:hover{text-decoration:underline}
@media(max-width:840px){.cn-g{grid-template-columns:1fr}.fr2{grid-template-columns:1fr}}

/* FOOTER */
.ft{border-top:1px solid var(--line);background:var(--bg2);padding:64px 28px 32px}
.ft-g{max-width:1320px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.ft-brand{display:flex;align-items:center;gap:14px;margin-bottom:18px;min-width:0}
.ft-brand .zsbox{width:42px;height:42px;flex:0 0 42px;box-shadow:0 4px 12px rgba(47,107,220,.15)}
.ft-brand .zsbox img{width:100%;height:100%;object-fit:contain}
.ft-brand .sep{width:1px;height:28px;background:var(--line2)}
.ft-brand .pk{display:block;width:92px;max-width:38vw;height:auto;max-height:32px;object-fit:contain;flex:0 0 auto;opacity:1}
.ft p{font-size:13.5px;color:var(--muted);line-height:1.7;max-width:360px}
.ft h4{font-size:13px;font-weight:700;color:var(--title);margin-bottom:18px;letter-spacing:.02em}
.ft ul{list-style:none}
.ft li{margin-bottom:12px}
.ft a{font-size:13.5px;color:var(--text);text-decoration:none;transition:color .2s}
.ft a:hover{color:var(--green-bright)}
.ft-end{max-width:1320px;margin:48px auto 0;padding-top:28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--muted)}
.ft-end a{color:var(--muted);text-decoration:none}.ft-end a:hover{color:var(--text)}
@media(max-width:840px){.ft-g{grid-template-columns:1fr 1fr}}@media(max-width:520px){.ft-g{grid-template-columns:1fr}}

/* reveal */
.rv{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.rv.vis{opacity:1;transform:none}

/* back to top */
.btop{position:fixed;bottom:26px;right:26px;width:48px;height:48px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--blue-deep));border:1px solid var(--line2);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:transform .3s,opacity .3s,background-color .3s,border-color .3s;z-index:90;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.btop.show{opacity:1;pointer-events:auto}
.btop:hover{transform:translateY(-3px)}
.wfab{position:fixed;bottom:26px;left:26px;display:inline-flex;align-items:center;gap:9px;padding:13px 20px;border-radius:100px;background:#25d366;color:#062b12;font-weight:700;font-size:14px;text-decoration:none;z-index:90;box-shadow:0 10px 30px rgba(37,211,102,.35);transition:transform .25s}
.wfab:hover{transform:translateY(-3px)}
.contact-fab{display:none}
.contact-sheet{display:none}
.wechat-modal{position:fixed;inset:0;z-index:220;display:grid;place-items:center;padding:24px;background:rgba(3,10,22,.64);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.wechat-modal[hidden]{display:none}
.wechat-panel{position:relative;width:min(420px,100%);padding:28px;border-radius:20px;background:#fff;border:1px solid rgba(30,70,150,.14);box-shadow:0 28px 80px rgba(3,10,22,.36);text-align:center}
.wechat-close{position:absolute;right:14px;top:14px;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:#f7faff;color:var(--title);font-size:20px;line-height:1;cursor:pointer}
.wechat-panel h3{font-size:24px;line-height:1.25;color:var(--title);margin-bottom:8px}
.wechat-panel p{font-size:14px;color:var(--text);line-height:1.7;margin:0 auto 18px;max-width:330px}
.wechat-id{display:inline-flex;align-items:center;justify-content:center;margin:0 auto 18px;padding:9px 14px;border-radius:999px;background:#f1f7ee;border:1px solid rgba(78,158,53,.22);color:#174a1d;font-size:14px;font-weight:800;white-space:nowrap}
.wechat-qr{width:min(280px,76vw);aspect-ratio:1/1;object-fit:contain;border-radius:14px;border:1px solid var(--line2);box-shadow:0 12px 30px rgba(30,70,150,.12);background:#fff}
.wechat-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.wechat-actions a,.wechat-actions button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:10px;font-size:13.5px;font-weight:700;text-decoration:none;cursor:pointer}
.wechat-actions a{background:linear-gradient(135deg,var(--power-green),var(--power-green-dark));color:#06210a;border:1px solid rgba(78,158,53,.24)}
.wechat-actions button{background:#f7faff;color:var(--title);border:1px solid var(--line2)}
@media(max-width:600px){.wfab span.lbl{display:none}.wfab{padding:14px}}
@media(max-width:640px){
  html,body{width:100%;max-width:100%;overflow-x:hidden}
  img,svg,video{max-width:100%}
  .ni{height:64px;padding:0 14px;gap:10px}
  .brand{min-width:0;gap:9px}
  .brand .navlogo{width:34px;height:34px;flex:0 0 34px}
  .brand .sep{height:22px}
  .brand .pk{display:none}
  .nright{gap:8px;flex-shrink:0}
  .lb button{padding:6px 9px}
  .mob{top:64px;padding-left:18px;padding-right:18px}
  .mob.open{max-height:calc(100vh - 64px);overflow-y:auto;padding:10px 18px 20px}
  .hero{padding:88px 16px 44px;overflow:hidden;min-height:auto}
  .hero-wrap{gap:24px;min-width:0}
  .hero-left,.hero-vis,.hero-machine{min-width:0}
  .hero-vis{display:none}
  .hero h1{font-size:clamp(26px,7.4vw,30px);line-height:1.16;letter-spacing:0;margin-bottom:18px;max-width:100%;overflow-wrap:anywhere;word-break:normal}
  body[data-lang="zh"] .hero h1 .lang-zh{display:block !important;max-width:100%;overflow-wrap:anywhere}
  body[data-lang="en"] .hero h1{font-size:clamp(25px,7vw,29px);line-height:1.14;letter-spacing:0}
  .hero h1 .nb{white-space:normal}
  .hero h1 .grad{display:inline}
  .h-badge{max-width:100%;white-space:normal;align-items:flex-start;margin-bottom:18px;font-size:11px;line-height:1.45}
  .h-desc{font-size:14.5px;line-height:1.66;margin-bottom:22px}
  .h-btns{display:grid;grid-template-columns:1fr;gap:10px;margin-bottom:22px}
  .btn-pri,.btn-sec{width:100%;justify-content:center;padding:14px 16px;text-align:center}
  .h-stats{display:grid;grid-template-columns:1fr;gap:12px;align-items:stretch}
  .h-stat{padding:12px 0;border-top:1px solid rgba(150,175,220,.18)}
  .h-stat:first-child{padding-left:0}
  .h-stat:not(:last-child)::after{display:none}
  .h-stat .v{font-size:26px}
  .hero-machine>img{width:94%;max-width:360px;margin:0 auto}
  .hero-machine .reflect{display:none}
  .hm-tag{position:relative;inset:auto;margin:10px auto 0;width:min(100%,300px);box-shadow:0 12px 28px rgba(0,0,0,.35)}
  .hm-tag.hm-t1{top:auto;right:auto;animation:none}
  .sec{padding:50px 16px}
  .sh{text-align:left;margin-bottom:28px}
  .sh h2{font-size:30px;letter-spacing:0}
  .sh p{font-size:15px}
  .trust-g{grid-template-columns:1fr}
  .ti{border-right:none;padding:24px 16px}
  .pg,.why-g,.ng-grid,.ng-feats,.ab-g,.cn-g,.fr2{grid-template-columns:1fr}
  .pg{gap:16px}
  .pc-img{height:190px;padding:18px}
  .pc-bd,.wc,.abc,.cf,.ng-card,.ib{padding:24px 18px}
  .pa{display:grid;grid-template-columns:1fr;gap:10px}
  .pa a{justify-content:center;text-align:center}
  .abc .top{align-items:flex-start;flex-wrap:wrap}
  .abc .top img{max-width:150px;height:auto}
  .ng-card .addr,.rw{word-break:break-word}
  .fg input,.fg select,.fg textarea{font-size:16px}
  .faq summary{gap:12px;padding:18px}
  .fa{padding:0 18px 18px}
  .ft{padding:44px 18px 28px}
  .ft-g{grid-template-columns:1fr;gap:26px}
  .ft-brand{align-items:center;flex-wrap:wrap}
  .ft-brand .pk{width:96px;max-width:56vw;max-height:34px}
  .ft p{max-width:none}
  .ft-end{display:block;margin-top:30px}
  .ft-end span{display:block;margin-bottom:10px}
  .wfab{display:none}
  .contact-fab{position:fixed;left:16px;bottom:16px;z-index:95;display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border:none;border-radius:100px;background:linear-gradient(135deg,var(--power-green),#19c96c);color:#05220d;font-weight:800;font-size:14px;box-shadow:0 14px 34px rgba(23,194,103,.36);cursor:pointer}
  .contact-sheet{position:fixed;left:16px;right:16px;bottom:76px;z-index:96;display:grid;gap:10px;padding:12px;border-radius:18px;background:rgba(255,255,255,.96);border:1px solid rgba(30,70,150,.14);box-shadow:0 18px 50px rgba(3,10,22,.24);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
  .contact-sheet[hidden]{display:none}
  .contact-sheet a,.contact-sheet button{min-height:46px;border-radius:12px;border:1px solid #dbe6f2;background:#f7faff;color:var(--title);font-weight:800;font-size:14px;text-decoration:none;display:flex;align-items:center;justify-content:center;cursor:pointer}
  .contact-sheet .wa{background:#25d366;color:#062b12;border-color:rgba(37,211,102,.38)}
  .contact-sheet .wx{background:#17c267;color:#061e10;border-color:rgba(23,194,103,.38)}
  .wechat-panel{padding:24px 18px;border-radius:18px}
  .btop{right:16px;bottom:78px;width:44px;height:44px}
}
@media(max-width:760px){
  .trust-g,.ng-feats,.ft-g{grid-template-columns:1fr}
  .ti{border-right:none}
  .ft-g{gap:26px}
}
@media(max-width:380px){
  .hero h1{font-size:29px}
  body[data-lang="en"] .hero h1{font-size:28px}
  .h-stat{gap:10px}
  .hm-tag{display:none}
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

img,
video {
  max-width: 100%;
  height: auto;
}

.hero-vis,
.hero-machine,
.pc-img,
.case-visual,
.case-mini .pic,
.case-tile .thumb,
.hero-media,
.card-media,
.product-image,
.case-image,
.solution-image,
.industry-image,
.guide-image {
  max-width: 100%;
  overflow: hidden;
}

.hero-machine > img {
  width: 100%;
  max-width: 620px;
  max-height: 420px;
  margin-left: 0;
  object-fit: contain;
}

.hero-machine .reflect {
  left: 0;
  width: 100%;
  max-width: 620px;
}

.hero-image img,
.product-card img,
.case-card img,
.solution-card img,
.industry-card img,
.guide-card img,
.feature-card img {
  max-width: 100%;
  height: auto;
  display: block;
}

.hero-media img {
  max-height: 420px;
  object-fit: contain;
}

.product-image img,
.generator-product-img,
.pc-img.has-img img {
  width: 100%;
  max-height: 260px;
  object-fit: contain;
}

.case-visual.photo img,
.case-tile .thumb img,
.case-image img,
.solution-image img,
.industry-image img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
}

@media(max-width:768px){
  .hero-machine > img,
  .hero-media img {
    max-height: 280px;
  }

  .product-image img,
  .generator-product-img,
  .pc-img.has-img img {
    max-height: 220px;
  }

  .case-visual.photo img,
  .case-tile .thumb img,
  .case-image img,
  .solution-image img,
  .industry-image img {
    max-height: 240px;
  }
}