:root{--ink:#182e32;--muted:#738183;--teal:#008b79;--line:#e4eaea;--bg:#f5f8f7}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:#fff;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a{text-decoration:none;color:inherit}button{color:inherit}button:focus-visible,a:focus-visible{outline:3px solid #65caba;outline-offset:5px}header{height:90px;padding:0 max(5%,calc((100vw - 1320px)/2));display:flex;align-items:center;justify-content:space-between;gap:32px;border-bottom:1px solid var(--line);background:#fffffff5;position:sticky;top:0;z-index:20;backdrop-filter:blur(15px)}.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:25px;font-weight:800;letter-spacing:2px}.brand small{display:block;font-size:8px;letter-spacing:3px;margin-top:2px}.logo{width:43px;height:45px;border-radius:14px 2px 14px 2px;display:grid;place-items:center;background:var(--teal);font-size:41px;color:white;font-weight:400}nav{display:flex;align-items:center;gap:33px;height:100%;font-size:14px}nav a{height:100%;display:flex;align-items:center;position:relative}nav a:hover,nav a.active{color:var(--teal)}nav a.active:after{position:absolute;bottom:20px;left:35%;width:30%;height:2px;background:var(--teal);content:""}.btn{border:0;background:var(--teal);color:#fff;padding:17px 25px;display:inline-flex;gap:25px;align-items:center;justify-content:center;border-radius:5px;font-weight:600;transition:.2s}.btn:hover{background:#006e60;transform:translateY(-2px)}.btn.small{padding:12px 19px}.menu{display:none}.text-button{border:0;background:none;padding:8px 0;font-weight:500}.text-button:hover{color:var(--teal)}.hero{max-width:1450px;margin:auto;min-height:620px;display:grid;grid-template-columns:1fr 1fr;padding:64px 5% 56px;gap:30px;overflow:hidden}.hero-copy{padding:30px 0}.eyebrow{color:var(--teal);font-size:11px;font-weight:700;letter-spacing:1.8px;display:flex;align-items:center;gap:9px}.eyebrow>span{width:6px;height:6px;border-radius:50%;background:var(--teal)}h1{font-size:clamp(40px,4.1vw,61px);letter-spacing:-2px;line-height:1.3;margin:24px 0;font-weight:750}h1 span{color:var(--teal)}.hero-copy>p{line-height:2;color:var(--muted);font-size:15px}.hero-actions{display:flex;align-items:center;gap:30px;margin-top:30px}.hero-note{display:flex;align-items:center;gap:12px;font-size:11px;color:#839391;margin-top:45px}.hero-note b{font-weight:400;color:#bbcac6}.line{width:24px;height:1px;background:#7eaba2}.hero-art{position:relative;border-radius:7px;background:radial-gradient(ellipse at 58% 38%,#d5eee4,transparent 65%),linear-gradient(140deg,#f2f8f5,#e4f1ed);min-height:490px;overflow:hidden}.art-grid{position:absolute;inset:0;background-image:linear-gradient(#9cbab115 1px,transparent 1px),linear-gradient(90deg,#9cbab115 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(transparent,#000)}.orbit{position:absolute;width:380px;height:380px;border:1px solid #b9d3c680;border-radius:50%;top:50px;left:60px}.o2{width:480px;height:480px;top:0;left:10px}.scene{position:absolute;width:420px;height:350px;left:50%;top:53%;transform:translate(-50%,-50%)}.ground{position:absolute;width:330px;height:170px;background:linear-gradient(150deg,#acd7bd,#629a7f);transform:rotate(-22deg) skew(28deg);bottom:0;left:50px;border-radius:15px;box-shadow:12px 18px 0 #bcdbcb,20px 32px 35px #7ba99455}.battery{position:absolute;width:89px;height:185px;border-radius:15px 15px 12px 12px;background:linear-gradient(90deg,#166a53,#57ad83 35%,#8cc8a0 48%,#247559);border:1px solid #98cdb1;z-index:4;left:180px;top:65px;box-shadow:10px 20px 25px #174f4b30}.battery:before{content:"";position:absolute;left:0;right:0;top:-10px;height:25px;border-radius:50%;background:linear-gradient(120deg,#e3f4e5,#8ebfa0);border:2px solid #b9d6c3}.battery i{position:absolute;width:32px;height:12px;left:27px;top:-17px;border-radius:5px;background:#587d6a}.battery span{position:absolute;top:55px;left:17px;font-size:10px;letter-spacing:2px;color:#d7f5e2;line-height:2}.battery span b{font-size:42px;font-weight:200}.b2{left:270px;top:123px;height:142px;width:69px;z-index:3;background:linear-gradient(90deg,#7c9e8a,#c8e0c9 55%,#729d7c)}.b2 span{left:10px;font-size:8px;top:45px}.b2 i{left:19px}.solar{position:absolute;width:140px;height:89px;background:repeating-linear-gradient(90deg,transparent 0 26px,#90bdb8 27px 28px),repeating-linear-gradient(0deg,#234e59 0 20px,#90bdb8 21px 22px);border:4px solid #9ab8af;transform:skewY(-18deg) rotate(-5deg);z-index:6;left:25px;top:205px;box-shadow:6px 14px 0 #567c6d}.solar-two{left:66px;top:150px;width:106px;height:69px;z-index:2}.turbine{position:absolute;left:95px;top:35px;width:4px;height:165px;z-index:2;background:linear-gradient(90deg,#9dbbb1,#fff);transform:rotate(4deg)}.turbine i,.turbine b,.turbine em{position:absolute;top:0;left:0;width:6px;height:65px;background:#fafefb;clip-path:polygon(0 0,100% 0,50% 100%);transform-origin:3px 0}.turbine i{transform:rotate(10deg)}.turbine b{transform:rotate(130deg)}.turbine em{transform:rotate(250deg)}.t2{left:347px;top:38px;transform:scale(.7)}.float-label{position:absolute;z-index:7;background:#ffffffdf;backdrop-filter:blur(12px);box-shadow:0 8px 28px #406d5910;border:1px solid #fff;border-radius:7px;padding:13px 17px;display:flex;align-items:center;gap:12px}.fl1{top:42px;right:23px;font-size:13px}.fl1 i{font-style:normal;color:var(--teal);font-size:25px}.fl1 small{display:block;font-size:6px;letter-spacing:1px;margin-top:5px;color:#8a9d95}.fl2{bottom:60px;left:25px;font-size:11px}.pulse{width:7px;height:7px;background:var(--teal);border-radius:50%;box-shadow:0 0 0 4px #008b7910}.art-caption{position:absolute;bottom:22px;left:25px;right:25px;color:#6b8d80;font-size:7px;letter-spacing:1px;display:flex;justify-content:space-between}.industry-strip{padding:26px 5%;background:#f6f8f7;display:flex;align-items:center;justify-content:center;gap:36px;color:#4d6461;font-size:14px}.industry-strip>span{font-size:11px;color:#91a19b;padding-right:25px;border-right:1px solid #d8e2dd}.industry-strip b{font-weight:500}.industry-strip i{font-style:normal;font-size:12px;color:#a1b7ac}.section{max-width:1320px;width:90%;margin:auto;padding:80px 0}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:32px}h2{font-size:31px;line-height:1.5;letter-spacing:-.8px;font-weight:650;margin:13px 0 10px}.section-head p{color:var(--muted);line-height:1.8;margin:0}.demo{font-size:10px;color:#97a29f}.resource-tools{display:flex;gap:20px;justify-content:space-between;border-bottom:1px solid var(--line);margin-bottom:24px;padding-bottom:20px}.tabs{display:flex;gap:8px;flex-wrap:wrap}.tabs button{border:0;background:none;border-radius:4px;padding:11px 17px;color:#647471;font-size:12px}.tabs .selected{color:var(--teal);background:#e8f4ef;font-weight:600}.search{display:flex;align-items:center;background:#f5f7f6;border:1px solid #eaf0ed;border-radius:4px;min-width:240px}.search input{width:100%;border:0;background:none;padding:11px 14px;outline:none;font-size:12px}.search:focus-within{border-color:var(--teal)}.search button{background:none;border:0;font-size:24px;padding:0 12px}.company-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.company-card{display:block;text-align:left;width:100%;border:1px solid var(--line);background:white;padding:25px;border-radius:6px;transition:.2s}.company-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px #1c6b4f0b;border-color:#afd3c5}.company-top{display:flex;align-items:center;gap:13px}.company-icon{height:49px;width:49px;flex-shrink:0;background:#edf5f1;border-radius:8px;display:grid;place-items:center;font-size:29px;color:var(--teal)}.company-card:nth-child(2) .company-icon{color:#4a7291;background:#eef3f8}.company-card:nth-child(3) .company-icon{color:#9b895c;background:#f6f4ee}.company-top h3{font-size:16px;margin:0 0 6px}.company-location{font-size:11px;color:#91a19b}.company-description{font-size:12px;color:#73827d;line-height:1.9;margin:20px 0 17px}.tags{display:flex;gap:6px;flex-wrap:wrap}.tags span{font-size:10px;background:#f3f7f5;color:#678777;padding:5px 8px;border-radius:2px}.company-bottom{display:flex;justify-content:space-between;border-top:1px solid #eff2f0;margin-top:23px;padding-top:15px;color:#8a9991;font-size:10px}.company-bottom b{font-weight:500;color:var(--teal)}.resource-bottom{display:flex;justify-content:space-between;margin-top:26px;align-items:center;color:#93a29a;font-size:11px}.resource-bottom button{color:var(--teal);font-size:12px}.empty{padding:40px;text-align:center;color:var(--muted)}.demand-section{background:#f2f7f4}.demand-inner{display:grid;grid-template-columns:1fr 2fr;gap:70px;padding:65px 0}.demand-intro h2{font-size:35px;line-height:1.4}.demand-intro p{color:#7e9186;line-height:1.9;font-size:13px}.demand-intro .btn{margin:15px 0 20px;font-size:12px}.demand-intro .demo{display:block}.demand-list{padding-top:12px}.demand-row{width:100%;display:flex;align-items:center;text-align:left;gap:22px;background:none;border:0;border-bottom:1px solid #dce7df;padding:30px 0}.demand-row:hover h3{color:var(--teal)}.badge{white-space:nowrap;background:#e0efe6;color:#398462;padding:6px 9px;border-radius:3px;font-size:10px}.badge.orange{background:#f3ece0;color:#ac8845}.demand-row h3{font-size:15px;margin:0 0 12px;font-weight:600}.demand-row p{margin:0;font-size:10px;color:#91a298}.demand-row p span{margin:0 15px}.row-end{margin-left:auto;white-space:nowrap;color:#789282;font-size:10px}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:27px}.article{background:none;text-align:left;border:0;padding:0}.article-art{height:215px;background:#edf4ee;border-radius:5px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;gap:10px}.article-art>span:last-child{position:absolute;bottom:15px;left:19px;font-size:8px;letter-spacing:2px;color:#617e70}.storage{background:linear-gradient(130deg,#dae6df,#9ab7a2)}.cabinet{height:125px;width:59px;background:linear-gradient(90deg,#f0f5ed,#c1d0c0);border:2px solid #cddbcc;border-radius:3px;box-shadow:13px 12px 0 #44695230;transform:skewY(-4deg);position:relative}.cabinet:after{content:"";position:absolute;inset:15px 8px;background:repeating-linear-gradient(#859e8e 0 2px,transparent 2px 6px);border-top:15px solid #365e50}.cells{background:linear-gradient(135deg,#dbe8e8,#a2bebe);gap:5px}.cells i{width:44px;height:115px;background:linear-gradient(90deg,#487578,#c0e1db 50%,#466e70);border-radius:50% / 9%;transform:rotate(25deg);box-shadow:10px 12px 15px #2d555330;border-top:6px solid #bed8d0}.cells i:nth-child(2n){margin-top:-20px}.network{background:radial-gradient(ellipse,#e2eee5,#c5d8c9)}.network:before,.network:after{content:"";width:210px;height:1px;background:#91b7a3;position:absolute;transform:rotate(25deg)}.network:after{transform:rotate(-25deg)}.node{position:absolute;display:grid;place-items:center;background:#f4faf5;border-radius:15px;width:62px;height:62px;color:var(--teal);font-size:30px;box-shadow:0 12px 25px #698b6d1f;z-index:1}.n1{left:42px;top:36px}.n2{left:43%;top:80px}.n3{right:32px;top:30px}.article-meta{color:var(--teal);font-size:10px;margin-top:22px;display:flex;justify-content:space-between}.article-meta span{color:#98a49e}.article h3{font-size:17px;line-height:1.6;margin:10px 0}.article p{color:#8a9690;font-size:12px;line-height:1.9;margin:8px 0 17px}.article-link{font-size:11px;color:#4c7160}.article:hover h3{color:var(--teal)}.about{border-top:1px solid var(--line);padding:55px 0 65px;display:grid;grid-template-columns:1fr 1fr;gap:110px;align-items:center}.about p{color:#7f8d85;font-size:13px;line-height:2.2}.about-tags{display:flex;gap:22px;color:#557a67;font-size:11px;margin-top:22px}.cta{margin:0 auto;max-width:1450px;background:#0a5349;color:white;padding:50px max(5%,calc((1450px - 1320px)/2));display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.cta:after{content:"";position:absolute;right:70px;top:-180px;width:500px;height:500px;border:1px solid #ffffff12;border-radius:50%;pointer-events:none}.cta .eyebrow{color:#8dbfb0}.cta h2{font-size:33px}.cta p{color:#a1c6b9;font-size:12px}.btn.light{background:#fff;color:#146f5f;z-index:1}footer{max-width:1320px;width:90%;margin:auto;padding:40px 0 25px}.footer-top{display:flex;align-items:center;gap:30px}.footer-top .brand{font-size:22px}.footer-top .logo{width:35px;height:38px;font-size:33px}.footer-top p{color:#93a098;font-size:11px}.footer-top>div{margin-left:auto;display:flex;align-items:center;gap:30px;font-size:11px;color:#687d70}.footer-bottom{border-top:1px solid var(--line);padding-top:21px;margin-top:30px;display:flex;justify-content:space-between;font-size:10px;color:#9aa69f}dialog{border:0;padding:0;border-radius:12px;width:min(570px,92vw);max-height:88vh;color:var(--ink);box-shadow:0 25px 100px #102f3540}dialog::backdrop{background:#0d292b88;backdrop-filter:blur(4px)}.modal-top{display:flex;justify-content:space-between;align-items:center;padding:20px 26px;border-bottom:1px solid var(--line);font-weight:600}.modal-top button{border:0;background:none;font-size:26px;color:#82928b}#modal-content{padding:25px 26px;line-height:1.9}#modal-content h2{font-size:25px}#modal-content p{color:#74877c;font-size:13px}.form-field{display:block;font-size:12px;margin-bottom:15px}.form-field input,.form-field select,.form-field textarea{width:100%;display:block;border:1px solid #dce7df;border-radius:4px;padding:11px;margin-top:5px;background:#fafcfb;outline-color:var(--teal)}.form-field textarea{resize:vertical}.consent{font-size:11px;display:flex;gap:7px;color:#7f8d85;margin:15px 0}.form-note{font-size:11px!important;background:#f1f6f3;padding:10px 13px;border-radius:4px}.detail-label{color:var(--teal);font-size:11px}.detail-products{margin:20px 0;padding:15px;background:var(--bg);font-size:13px}#toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,20px);background:#163d34;color:white;padding:13px 24px;border-radius:5px;opacity:0;pointer-events:none;transition:.25s;z-index:100;max-width:90vw;font-size:13px}#toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:1600px){.hero{padding-left:65px;padding-right:65px}}@media(max-width:1100px){nav{gap:20px}header{gap:20px}.hero{gap:15px}.hero-art{min-height:450px}.scene{transform:translate(-50%,-50%) scale(.85)}.industry-strip{gap:19px}.industry-strip>span{padding-right:15px}.tabs button{padding:10px}.search{min-width:200px}.demand-inner{gap:35px}.row-end{display:none}.company-card{padding:20px}.section{padding:60px 0}.article-art{height:190px}}@media(max-width:760px){header{height:72px;padding:0 5%;gap:16px}.brand{font-size:21px}.logo{height:36px;width:35px;font-size:32px}.brand small{font-size:6px}header .small{margin-left:auto;font-size:11px;padding:9px 12px;gap:10px}.menu{display:block;border:0;background:none;font-size:22px}nav{display:none;position:absolute;top:72px;left:0;right:0;background:white;height:auto;padding:15px 5%;box-shadow:0 15px 20px #183c3010;flex-wrap:wrap}nav.open{display:flex}nav a{padding:8px 0}nav a.active:after{bottom:0}.hero{grid-template-columns:1fr;padding:25px 5% 30px;gap:20px}.hero-copy{padding:15px 0 0}h1{font-size:45px;margin:20px 0}.hero-copy>p{font-size:13px}.hero-note{margin-top:26px}.hero-art{min-height:370px}.scene{transform:translate(-50%,-50%) scale(.82)}.fl1{top:25px;right:17px}.fl2{bottom:48px;left:17px}.orbit{left:calc(50% - 190px);top:5px}.o2{left:calc(50% - 240px);top:-45px}.industry-strip{gap:15px;flex-wrap:wrap;padding:20px 5%;font-size:11px}.industry-strip>span{width:100%;border:0;text-align:center;padding:0}.industry-strip i{font-size:9px}.industry-strip i:nth-last-of-type(1),.industry-strip b:last-child{display:none}.section{padding:45px 0}.section-head{align-items:flex-start;flex-direction:column;gap:10px;margin-bottom:24px}h2{font-size:25px}.eyebrow{font-size:9px}.section-head p{font-size:12px}.resource-tools{flex-direction:column;gap:15px}.tabs{gap:3px}.tabs button{padding:9px 10px;font-size:11px}.company-grid{grid-template-columns:1fr}.company-card{padding:23px}.company-description{margin:15px 0}.company-bottom{margin-top:17px}.resource-bottom{align-items:flex-start;gap:15px;line-height:1.8}.resource-bottom>span{max-width:55%}.demand-inner{grid-template-columns:1fr;gap:10px}.demand-intro h2 br,.demand-intro p br{display:none}.demand-intro h2{font-size:27px}.demand-intro .btn{margin:8px 0 15px}.demand-row{gap:12px;padding:25px 0}.demand-row h3{font-size:13px;line-height:1.8;margin-bottom:7px}.badge{font-size:9px;padding:5px 7px}.article-grid{grid-template-columns:1fr;gap:35px}.article-art{height:230px}.article h3{font-size:18px}.about{grid-template-columns:1fr;gap:5px}.about h2 br{display:none}.about-tags{gap:20px}.cta{padding:35px 5%;align-items:flex-start;gap:20px;flex-direction:column}.cta h2{font-size:26px}.cta .btn{padding:14px 20px;font-size:12px}.footer-top{flex-wrap:wrap;gap:15px}.footer-top p{margin:0}.footer-top>div{width:100%;margin:10px 0 0;gap:25px}.footer-bottom{flex-direction:column;gap:10px;line-height:1.8}.hero-actions{gap:20px}.hero-actions .btn{font-size:12px;padding:15px 19px}.hero-actions .text-button{font-size:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* PC dialogs use horizontal space so all content stays visible. */
@media (min-width: 761px) {
  dialog { width: min(820px, calc(100vw - 64px)); max-height: none; overflow: visible; }
  .modal-top { padding: 12px 28px; }
  #modal-content { padding: 18px 28px 24px; line-height: 1.7; }
  #modal-content h2 { margin: 0 0 8px; font-size: 24px; }
  #modal-content h3 { margin: 16px 0 5px; font-size: 15px; }
  #modal-content p { margin: 8px 0 12px; }
  #join-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 22px; margin-top: 16px; }
  #join-form .form-field { margin: 0; }
  #join-form .form-field:has(textarea), #join-form .consent { grid-column: 1 / -1; }
  #join-form input, #join-form select, #join-form textarea { padding: 9px 11px; }
  #join-form textarea { height: 70px; resize: none; }
  #join-form .consent { margin: 0; align-items: center; }
  #join-form .consent input { width: auto; }
  #join-form > .btn { justify-self: start; padding: 12px 22px; }
}
@media (min-width: 761px) and (max-height: 650px) {
  dialog { width: min(940px, calc(100vw - 48px)); }
  .modal-top { padding: 6px 24px; }
  #modal-content { padding: 12px 24px 16px; line-height: 1.5; }
  #modal-content h2 { font-size: 21px; }
  #modal-content h3 { margin-top: 10px; }
  #modal-content p { margin: 6px 0 9px; }
  #join-form { gap: 8px 20px; margin-top: 10px; }
  #join-form textarea { height: 52px; }
  #join-form input, #join-form select { padding: 7px 10px; }
  #modal-content .form-note { padding: 8px 12px; }
}
html:has(dialog[open]) { overflow: hidden; scrollbar-gutter: stable; }