:root {
  --ivy-teal:#2EBEBE;
  --deep-ivy:#175661;
  --growth-green:#2B7F54;
  --young-leaf:#71B195;
  --fresh-leaf:#6BA955;
  --mist-mint:#EEF7F5;
  --lotus-white:#FDFDFB;
  --forest-ink:#263928;
  --night-blue:#173D58;
  --cyan-blue:#3F82B6;
  --warm:#E2A786;
  --line:rgba(23,86,97,.10);
  --shadow:0 24px 80px rgba(23,86,97,.10);
  --radius-xl:34px;
  --radius-lg:24px;
  --radius-md:18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--forest-ink);
  background:var(--lotus-white);
  font-family:Inter,"SF Pro Display","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button,a{touch-action:manipulation}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:linear-gradient(180deg,rgba(247,253,251,.84),rgba(247,253,251,.58) 70%,rgba(247,253,251,0));
  backdrop-filter:blur(18px) saturate(135%);
  -webkit-backdrop-filter:blur(18px) saturate(135%);
}
.site-header::after{
  content:"";
  position:absolute;
  inset:auto 0 -18px;
  height:20px;
  background:linear-gradient(180deg,rgba(238,247,245,.24),transparent);
  pointer-events:none;
}
.nav-wrap{height:82px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:max-content}
.brand-mark{width:40px;height:32px;display:grid;grid-template-columns:repeat(3,1fr);align-items:end;gap:2px;transform:rotate(180deg)}
.brand-mark i{display:block;border-radius:2px 2px 12px 12px;background:linear-gradient(180deg,var(--ivy-teal),var(--growth-green))}
.brand-mark i:nth-child(1){height:20px}.brand-mark i:nth-child(2){height:31px;background:linear-gradient(180deg,#3F82B6,var(--deep-ivy))}.brand-mark i:nth-child(3){height:25px;background:linear-gradient(180deg,#71B195,#2E8559)}
.brand-copy{display:flex;flex-direction:column;line-height:1.1}
.brand-copy strong{font-size:15px;letter-spacing:-.02em}
.brand-copy small{font-size:9px;color:#688179;margin-top:4px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.main-nav a{padding:9px 12px;border-radius:999px;font-size:14px;color:#49655c;transition:.2s ease}
.main-nav a:hover,.main-nav a.active{background:rgba(255,255,255,.72);color:var(--deep-ivy);box-shadow:0 7px 25px rgba(23,86,97,.07)}
.nav-actions{display:flex;align-items:center;gap:10px}
.language-toggle{border:0;background:rgba(255,255,255,.55);border-radius:999px;padding:8px 11px;color:#789088;cursor:pointer;box-shadow:inset 0 0 0 1px rgba(23,86,97,.08)}
.language-toggle .selected{color:var(--deep-ivy);font-weight:800}
.language-toggle .divider{opacity:.35;margin:0 3px}

.btn{min-height:44px;padding:0 18px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:750;font-size:14px;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:white;background:linear-gradient(135deg,var(--ivy-teal),#46AB91 52%,var(--fresh-leaf));box-shadow:0 12px 30px rgba(46,190,190,.24)}
.btn-secondary{color:var(--deep-ivy);background:#eef8f4;border-color:rgba(46,133,89,.13)}
.btn-ghost{background:rgba(255,255,255,.55);border-color:rgba(23,86,97,.13);color:var(--deep-ivy);backdrop-filter:blur(10px)}
.btn-small{min-height:38px;padding-inline:15px}

.hero{
  position:relative;
  overflow:hidden;
  margin-top:-82px;
  padding:152px 0 90px;
  min-height:720px;
  background:
    radial-gradient(circle at 75% 28%,rgba(46,190,190,.18),transparent 26%),
    radial-gradient(circle at 88% 60%,rgba(107,169,85,.14),transparent 23%),
    linear-gradient(145deg,#fdfefc 0%,#effaf7 47%,#e8f5ef 100%);
}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(23,86,97,.08) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(90deg,transparent,#000 38%,#000 76%,transparent);opacity:.38}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:70px}
.eyebrow{display:inline-block;font-size:12px;font-weight:850;letter-spacing:.17em;color:var(--growth-green);text-transform:uppercase;margin-bottom:14px}
.hero h1,.page-intro h1{font-size:clamp(48px,6.2vw,84px);line-height:.94;letter-spacing:-.055em;margin:0;color:var(--night-blue);max-width:760px}
.hero h1 span{display:block;background:linear-gradient(110deg,var(--deep-ivy),var(--ivy-teal) 40%,var(--fresh-leaf));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-cn{font-size:18px;font-weight:760;color:var(--deep-ivy);margin:22px 0 8px}
.hero-lead{font-size:17px;color:#587169;max-width:650px;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-pills,.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
.hero-pills span,.tag-row span{font-size:12px;padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.64);border:1px solid rgba(23,86,97,.09);color:#54736a}
.ivy-stage{position:relative;min-height:510px;display:grid;place-items:center}
.ivy-card{width:min(390px,72vw);aspect-ratio:.64;border-radius:48% 48% 44% 44%/38% 38% 48% 48%;overflow:hidden;background:white;box-shadow:0 28px 90px rgba(33,105,87,.18);animation:ivyFloat 4.8s ease-in-out infinite;position:relative;z-index:3}
.ivy-card img,.ivy-card video{width:100%;height:100%;object-fit:cover;object-position:center;display:block;transform:scale(1.03)}
.orbit{position:absolute;border:1px solid rgba(46,190,190,.17);border-radius:50%;z-index:1}
.orbit-a{width:470px;height:470px;animation:spin 28s linear infinite}
.orbit-b{width:360px;height:360px;border-style:dashed;animation:spin 21s linear infinite reverse}
.ivy-note{position:absolute;z-index:4;background:rgba(255,255,255,.75);backdrop-filter:blur(14px);border:1px solid rgba(46,190,190,.18);border-radius:20px;padding:12px 16px;color:var(--deep-ivy);font-weight:760;box-shadow:0 15px 35px rgba(23,86,97,.09)}
.note-one{right:0;top:70px;transform:rotate(3deg)}
.note-two{left:-10px;bottom:42px;transform:rotate(-4deg);font-size:13px}
.leaf{position:absolute;width:36px;height:18px;background:linear-gradient(135deg,var(--young-leaf),var(--fresh-leaf));border-radius:100% 0 100% 0;opacity:.7;animation:leafSway 5s ease-in-out infinite}
.leaf-one{left:4%;top:14%}.leaf-two{right:8%;bottom:16%;animation-delay:-1.6s}.leaf-three{right:18%;top:3%;animation-delay:-3s;transform:scale(.7)}
.hero-bottom-fade{position:absolute;inset:auto 0 0;height:120px;background:linear-gradient(180deg,transparent,var(--lotus-white))}
@keyframes ivyFloat{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-13px) rotate(1deg)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes leafSway{0%,100%{transform:translate3d(0,0,0) rotate(-12deg)}50%{transform:translate3d(12px,18px,0) rotate(14deg)}}

.section{padding:90px 0}
.section-soft{background:linear-gradient(180deg,#fbfefd,#eef8f4 50%,#fbfefd)}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-heading h2,.about-strip h2,.cta-card h2,.case-placeholder h2{font-size:clamp(30px,4vw,48px);line-height:1.08;letter-spacing:-.035em;margin:0;color:var(--night-blue)}
.text-link{color:var(--deep-ivy);font-weight:800;font-size:13px}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.product-grid-page{grid-template-columns:repeat(2,1fr)}
.product-card{position:relative;min-height:330px;padding:24px;border:1px solid var(--line);border-radius:var(--radius-lg);background:rgba(255,255,255,.86);overflow:hidden;transition:.25s ease;box-shadow:0 12px 38px rgba(23,86,97,.045)}
.product-card::before{content:"";position:absolute;width:170px;height:170px;border-radius:50%;right:-55px;top:-60px;background:radial-gradient(circle,rgba(46,190,190,.16),transparent 68%)}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(46,190,190,.22)}
.product-icon{width:52px;height:52px;border-radius:18px;display:grid;place-items:center;background:var(--mist-mint);color:var(--deep-ivy);font-size:22px;font-weight:900;margin-bottom:26px}
.accent-navy .product-icon{background:#eaf0f4;color:var(--night-blue)}.accent-green .product-icon{background:#eef5e9;color:#39763A}.accent-cyan .product-icon{background:#eaf5f8;color:#3f82b6}
.card-kicker{font-size:11px;font-weight:850;color:#6d857d;text-transform:uppercase;letter-spacing:.1em}
.product-card h3,.product-card h2{font-size:22px;line-height:1.05;color:var(--night-blue);margin:8px 0 12px;letter-spacing:-.025em}
.product-card p{font-size:14px;color:#657a73;margin:0}
.card-arrow{position:absolute;right:20px;bottom:20px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--ivy-teal);color:#fff;font-weight:900}

.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.project-card{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:white;transition:.25s ease}
.project-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.project-visual,.project-hero-panel{position:relative;min-height:260px;overflow:hidden;background:linear-gradient(145deg,#eaf5f8,#dceef3 45%,#c9e2ea)}
.project-warm .project-visual,.project-hero-panel.project-warm{background:linear-gradient(145deg,#fff4ea,#f5e5d4 45%,#e8d2bd)}
.project-chip{position:absolute;left:18px;top:18px;padding:7px 10px;background:rgba(255,255,255,.76);backdrop-filter:blur(10px);border-radius:999px;font-size:11px;font-weight:800;color:var(--deep-ivy)}
.project-lines{position:absolute;inset:26% 8% 8%;border-radius:24px;background:linear-gradient(135deg,rgba(23,86,97,.88),rgba(46,190,190,.48));box-shadow:0 22px 45px rgba(23,86,97,.16);transform:perspective(500px) rotateX(6deg) rotateY(-6deg)}
.project-warm .project-lines{background:linear-gradient(135deg,#8f6b4b,#e2a786)}
.project-body{padding:22px}
.project-body h3,.project-body h2{font-size:22px;line-height:1.15;margin:0 0 10px;color:var(--night-blue)}
.project-body p{color:#60756e;font-size:14px;margin:0 0 18px}

.about-strip{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.about-strip p{color:#637970;max-width:520px}
.team-mini-grid,.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.team-mini,.team-card{border:1px solid var(--line);border-radius:20px;background:#fbfefd;padding:18px;text-align:center}
.avatar-placeholder{display:block;width:64px;height:64px;margin:0 auto 12px;border-radius:50%;background:linear-gradient(145deg,#e7f1ef,#cad8d4)}
.avatar-placeholder:is(img){object-fit:cover}
.avatar-placeholder::before{content:"";display:block;width:26px;height:26px;margin:auto;position:relative;top:10px;border-radius:50%;background:#b7c8c3}
.avatar-placeholder.large{width:118px;height:118px;margin-bottom:22px}
.team-mini strong,.team-card h3{display:block;color:var(--night-blue)}
.team-mini small,.team-card p{color:#8a9a95}
.cta-section{padding:40px 0 90px}
.cta-card{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:40px 46px;border-radius:var(--radius-xl);background:linear-gradient(135deg,#eaf9f5,#f8fcf7);border:1px solid rgba(46,190,190,.12);overflow:hidden;position:relative}
.cta-card::after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-90px;bottom:-130px;background:rgba(107,169,85,.12)}

.page-intro{margin-top:-82px;padding:168px 0 84px;background:linear-gradient(145deg,#fdfefc,#eef8f5 60%,#e9f5ef);position:relative;overflow:hidden}
.page-intro::after{content:"";position:absolute;right:-100px;top:80px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(46,190,190,.12),transparent 68%)}
.page-intro.compact{padding-bottom:70px}
.page-intro h1{font-size:clamp(46px,6vw,76px)}
.page-intro p{max-width:760px;font-size:18px;color:#60766f}
.detail-grid{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center;position:relative;z-index:1}
.detail-visual{min-height:360px;border-radius:34px;background:rgba(255,255,255,.58);border:1px solid rgba(23,86,97,.09);display:grid;place-items:center;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.detail-orb{width:150px;height:150px;border-radius:42% 58% 56% 44%/46% 45% 55% 54%;display:grid;place-items:center;background:linear-gradient(135deg,var(--ivy-teal),var(--fresh-leaf));color:#fff;font-size:56px;font-weight:900;box-shadow:0 24px 60px rgba(46,190,190,.28)}
.detail-flow{position:absolute;bottom:28px;display:flex;align-items:center;gap:8px}
.detail-flow span{font-size:11px;padding:7px 9px;border-radius:999px;background:white;color:#567068}.detail-flow i{width:18px;height:1px;background:#86b4a4}
.tag-row.large span{font-size:13px;padding:8px 12px}
.project-hero-panel{min-height:360px;border-radius:34px;display:grid;place-items:center;color:white;font-size:13px;font-weight:800}
.project-hero-panel > span{position:absolute;left:24px;top:24px;padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.22);backdrop-filter:blur(10px)}
.case-placeholder{max-width:900px}
.case-placeholder p{color:#677c75;font-size:17px}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start;position:relative;z-index:1}
.contact-form{display:grid;gap:16px;padding:28px;border-radius:28px;background:rgba(255,255,255,.78);border:1px solid rgba(23,86,97,.1);box-shadow:var(--shadow);backdrop-filter:blur(14px)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form label{display:grid;gap:7px;font-size:12px;font-weight:800;color:#516b62}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;border:1px solid rgba(23,86,97,.14);background:#fff;border-radius:13px;padding:12px 13px;outline:none;color:var(--forest-ink)}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--ivy-teal);box-shadow:0 0 0 3px rgba(46,190,190,.10)}
.validation-message{color:#b24d4d;font-size:11px}
.form-success{padding:12px 14px;border-radius:13px;background:#edf8ef;color:#39763a;font-size:13px}
.team-grid .team-card{padding:34px 20px}

.site-footer{padding:48px 0;background:var(--deep-ivy);color:white}
.footer-grid{display:grid;grid-template-columns:1fr auto auto;gap:40px;align-items:center}
.footer-brand{font-weight:850}.site-footer p{margin:5px 0 0;color:#b8d8cf;font-size:13px}.footer-links{display:flex;gap:20px;font-size:13px}.footer-note{font-size:12px;color:#b8d8cf}

@media (max-width:980px){
  .main-nav{display:none}
  .brand-copy small{display:none}
  .hero-grid,.detail-grid,.about-strip,.contact-grid{grid-template-columns:1fr}
  .hero{padding-top:135px}
  .hero-copy{text-align:center}.hero-copy .hero-lead{margin-inline:auto}.hero-actions,.hero-pills{justify-content:center}
  .ivy-stage{min-height:480px}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .section-heading{align-items:flex-start}
}
@media (max-width:680px){
  .container{width:min(100% - 24px,1180px)}
  .nav-wrap{height:70px;gap:10px}.site-header{background:linear-gradient(180deg,rgba(247,253,251,.94),rgba(247,253,251,.72) 80%,rgba(247,253,251,0))}
  .brand-copy strong{font-size:13px}.brand-mark{width:32px;height:26px}
  .nav-actions .btn{display:none}
  .hero,.page-intro{margin-top:-70px}
  .hero{padding:125px 0 65px;min-height:auto}
  .hero h1,.page-intro h1{font-size:46px}
  .ivy-stage{min-height:430px}.ivy-card{width:270px}.orbit-a{width:330px;height:330px}.orbit-b{width:270px;height:270px}.note-one{right:4px}.note-two{left:2px}
  .section{padding:64px 0}.section-heading{display:block}.section-heading .text-link{display:inline-block;margin-top:15px}
  .product-grid,.product-grid-page,.project-grid,.team-grid,.team-mini-grid,.form-row{grid-template-columns:1fr}
  .product-card{min-height:285px}
  .cta-card{padding:30px 24px;display:block}.cta-card .btn{margin-top:20px}
  .page-intro{padding:140px 0 62px}
  .footer-grid{grid-template-columns:1fr}.footer-links{flex-wrap:wrap}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .ivy-card,.orbit,.leaf{animation:none!important}
  .btn,.product-card,.project-card{transition:none!important}
}