/* =========================================================
   致知科技 官网 — 共享样式表
   ========================================================= */
:root{
  --primary:#2f6fed;
  --primary-dark:#1a4fd6;
  --primary-light:#e8f0ff;
  --accent-purple:#6c5ce7;
  --navy:#0b2559;
  --navy-deep:#081b42;
  --navy-light:#14336b;
  --text-dark:#1f2a44;
  --text-body:#4b5568;
  --text-gray:#6b7280;
  --bg-light:#f6f8fc;
  --bg-soft:#eef3fb;
  --border:#e6eaf2;
  --green:#22c55e;
  --orange:#f59e0b;
  --radius:10px;
  --radius-lg:16px;
  --shadow:0 4px 18px rgba(15,40,90,.08);
  --shadow-lg:0 12px 40px rgba(15,40,90,.14);
  --max:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text-body);
  line-height:1.7;
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text-dark);font-weight:700;}
p{margin:0;}
.container{max-width:var(--max);margin:0 auto;padding:0 24px;}

/* focus visibility */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:background .3s ease, border-color .3s ease;
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}

/* Homepage-only: header overlays the full-height hero banner at the top of
   the page (transparent, white text) and switches to the normal solid
   white header once the page is scrolled. */
body.home-page{padding-top:0;}
.transparent-header{
  position:fixed;top:0;left:0;right:0;width:100%;
  background:transparent;border-bottom-color:transparent;
  box-shadow:none;
}
.transparent-header:not(.scrolled) .brand,
.transparent-header:not(.scrolled) .nav-link{color:#fff !important;}
.transparent-header:not(.scrolled) .nav-link::after{background:#fff;}
.transparent-header:not(.scrolled) .menu-toggle span{background:#fff;}
.transparent-header.scrolled{
  background:#fff;border-bottom-color:var(--border);
  box-shadow:0 2px 10px rgba(15,40,90,.06);
}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--text-dark);}
.brand .logo-mark{
  width:36px;height:36px;border-radius:50%;
  object-fit:contain;
  flex:none;
}
.main-nav{display:flex;align-items:center;gap:40px;}
.main-nav > ul{display:flex;gap:40px;}
.main-nav a.nav-link{
  position:relative;font-size:15.5px;font-weight:600;color:var(--text-dark);
  padding:8px 2px;
}
.main-nav a.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);transform:scaleX(0);transition:transform .2s ease;
}
.main-nav a.nav-link:hover,.main-nav a.nav-link.active{color:var(--primary);}
.main-nav a.nav-link.active::after,.main-nav a.nav-link:hover::after{transform:scaleX(1);}

.nav-item.has-dropdown{position:relative;}
.dropdown-panel{
  position:absolute;top:100%;left:50%;transform:translateX(-50%);
  padding-top:14px;
  opacity:0;visibility:hidden;
  transition:opacity .18s ease, transform .18s ease;
  translate:0 4px;
  z-index:10;
}
.nav-item.has-dropdown:hover .dropdown-panel,
.nav-item.has-dropdown:focus-within .dropdown-panel{
  opacity:1;visibility:visible;translate:0 0;
}
.dropdown-panel-inner{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);
  border:1px solid var(--border);
  min-width:340px;width:max-content;max-width:420px;padding:10px;
}
.dropdown-panel a{
  display:flex;align-items:center;gap:10px;
  padding:11px 16px;border-radius:8px;font-size:14.5px;color:var(--text-dark);font-weight:500;
  white-space:nowrap;
}
.dropdown-panel a:hover{background:var(--primary-light);color:var(--primary-dark);}
.dropdown-panel a .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);flex:none;}

.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.menu-toggle span{width:24px;height:2px;background:var(--text-dark);border-radius:2px;}

@media (max-width:900px){
  .main-nav{
    position:fixed;top:72px;left:0;right:0;bottom:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 30px;
    transform:translateY(-8px);opacity:0;visibility:hidden;
    transition:opacity .2s ease, transform .2s ease;
    overflow-y:auto;
  }
  .main-nav.open{opacity:1;visibility:visible;transform:translateY(0);}
  .main-nav > ul{flex-direction:column;gap:0;}
  .main-nav > ul > li{border-bottom:1px solid var(--border);}
  .main-nav a.nav-link{display:block;padding:16px 2px;}
  .dropdown-panel{
    position:static;transform:none;box-shadow:none;border:none;opacity:1;visibility:visible;
    display:none;min-width:0;padding:0 0 8px 14px;
  }
  .dropdown-panel-inner{background:none;border:none;box-shadow:none;padding:0;min-width:0;width:auto;max-width:none;}
  .nav-item.has-dropdown.open .dropdown-panel{display:block;}
  .dropdown-panel a{white-space:normal;}
  .menu-toggle{display:flex;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:8px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease, background .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{
  background:linear-gradient(120deg,var(--accent-purple),var(--primary));
  color:#fff;box-shadow:0 8px 22px rgba(47,111,237,.35);
}
.btn-outline-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline-light:hover{background:#fff;color:var(--navy);}
.btn-solid{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(47,111,237,.3);}
.btn-solid:hover{background:var(--primary-dark);}
.btn-block{width:100%;}

/* ---------- Home Hero ---------- */
.home-hero{
  position:relative;overflow:hidden;color:#fff;
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  background:
    linear-gradient(180deg, rgba(4,10,28,.35) 0%, rgba(4,10,28,.15) 45%, rgba(4,10,28,.55) 100%),
    url("../images/hero-banner.jpg") center center / cover no-repeat;
  padding:120px 0 90px;
  text-align:center;
}
.home-hero .hero-inner{position:relative;z-index:2;width:100%;}
@media (max-width:900px){
  .home-hero{min-height:auto;padding:150px 0 80px;}
}
.home-hero h1{
  font-size:42px;line-height:1.35;color:#fff;font-weight:800;
  letter-spacing:.5px;
}
.home-hero h1 span{display:block;}
.home-hero .hero-sub{
  margin:26px auto 0;max-width:680px;font-size:16px;color:#cfe0ff;
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px 18px;
}
.home-hero .hero-sub b{color:#fff;font-weight:600;}
.hero-actions{display:flex;justify-content:center;gap:18px;margin-top:40px;flex-wrap:wrap;}

/* stats strip */
.stats-strip{
  margin-top:-46px;position:relative;z-index:3;
}
.stats-strip .grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:transparent;
}
.stat-card{
  background:#fff;border-radius:var(--radius-lg);padding:26px 22px;
  box-shadow:var(--shadow-lg);text-align:center;
}
.stat-card .num{font-size:30px;font-weight:800;color:var(--primary);}
.stat-card .num small{font-size:15px;font-weight:700;margin-left:2px;}
.stat-card .label{margin-top:6px;font-size:13.5px;color:var(--text-gray);}

@media (max-width:900px){
  .stats-strip .grid{grid-template-columns:repeat(2,1fr);}
  .home-hero h1{font-size:30px;}
}

/* ---------- Section basics ---------- */
.section{padding:100px 0 70px;}
.section.tight{padding:70px 0;}
.section-head{text-align:center;margin-bottom:46px;}
.section-head h2{font-size:30px;}
.section-head p{margin-top:12px;color:var(--text-gray);font-size:15.5px;}
.section-alt{background:var(--bg-light);}

/* five solutions strip (home) — expand-on-hover accordion */
.solutions-strip{
  display:flex;height:440px;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);
}
.solutions-strip a{
  position:relative;flex:1 1 0;min-width:0;overflow:hidden;
  display:flex;align-items:flex-end;justify-content:center;color:#fff;
  padding:30px 18px;text-align:center;
  transition:flex 0.55s cubic-bezier(.4,0,.2,1);
}
.solutions-strip a:hover,
.solutions-strip a:focus-within{flex:2.6 1 0;}
.solutions-strip a::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center;
}
.solutions-strip a::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(to top,rgba(4,10,24,.92),rgba(4,10,24,.25) 60%,rgba(4,10,24,.05));
  transition:background .4s ease;
}
.solutions-strip a:hover::after{background:linear-gradient(to top,rgba(4,10,24,.85),rgba(4,10,24,.4) 70%,rgba(4,10,24,.15));}
.solutions-strip a .card-body{position:relative;z-index:2;max-width:420px;}
.solutions-strip a .card-body h3{
  color:#fff;font-size:18px;letter-spacing:.5px;margin-bottom:0;
  transition:font-size .3s ease, margin-bottom .3s ease;
  white-space:nowrap;
}
.solutions-strip a:hover .card-body h3{font-size:22px;margin-bottom:12px;}
.solutions-strip a .card-body p{
  font-size:13.5px;line-height:1.8;color:#e3ecff;
  max-height:0;opacity:0;overflow:hidden;
  transition:opacity .35s ease, max-height .45s ease;
}
.solutions-strip a:hover .card-body p{max-height:160px;opacity:1;transition:opacity .35s ease .1s, max-height .45s ease;}
.solutions-strip a:nth-child(1)::before{background-image:linear-gradient(150deg,#4c7ed1,#7cc0e8);}
.solutions-strip a:nth-child(2)::before{background-image:linear-gradient(150deg,#0d1830,#1f3a68);}
.solutions-strip a:nth-child(3)::before{background-image:linear-gradient(150deg,#1f9d6b,#8fd66f);}
.solutions-strip a:nth-child(4)::before{background-image:linear-gradient(150deg,#20242f,#3b4a63);}
.solutions-strip a:nth-child(5)::before{background-image:linear-gradient(150deg,#111c3a,#2c2f6e);}
@media (max-width:900px){
  .solutions-strip{flex-direction:column;height:auto;}
  .solutions-strip a{flex:none !important;min-height:130px;padding:20px;}
  .solutions-strip a .card-body p{display:none;}
  .solutions-strip a:hover .card-body h3{font-size:18px;margin-bottom:0;}
}

.center-cta{text-align:center;margin-top:44px;}

/* five solutions accordion (home, interactive) */
.solutions-accordion{
  display:flex;gap:8px;height:460px;
}
.acc-item{
  position:relative;flex:1 1 0;min-width:64px;overflow:hidden;
  border-radius:14px;color:#fff;display:flex;align-items:flex-end;
  transition:flex-grow .55s cubic-bezier(.22,.61,.36,1);
  box-shadow:0 6px 18px rgba(15,40,90,.12);
}
.acc-item.is-active{flex-grow:2.15;}
.acc-item::before{content:"";position:absolute;inset:0;z-index:0;}
.acc-item::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(to top,rgba(4,10,28,.82) 0%,rgba(4,10,28,.35) 45%,rgba(4,10,28,.05) 75%);
}
.acc-bg-1::before{background-image:url("../images/elderly.jpg");}
.acc-bg-2::before{background-image:url("../images/iot.jpg");}
.acc-bg-3::before{background-image:url("../images/env.jpg");}
.acc-bg-4::before{background-image:url("../images/mfg.jpg");}
.acc-bg-5::before{background-image:url("../images/edu.jpg");}
.acc-item::before{background-size:cover;background-position:center;}

.acc-icon{
  position:absolute;top:26px;left:0;right:0;z-index:2;
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.9);
  transition:opacity .3s ease;
}
.acc-icon svg{width:44px;height:44px;}
.acc-item.is-active .acc-icon{opacity:0;}

.acc-content{
  position:relative;z-index:2;padding:22px 18px;width:100%;
}
.acc-content h3{
  color:#fff;font-size:16.5px;white-space:nowrap;
  transition:font-size .3s ease;
}
.acc-item.is-active .acc-content h3{font-size:19px;margin-bottom:10px;}
.acc-content .acc-desc{
  max-height:0;opacity:0;overflow:hidden;
  font-size:13px;line-height:1.7;color:#e6ecfb;
  transition:max-height .45s ease, opacity .35s ease;
}
.acc-item.is-active .acc-content .acc-desc{max-height:180px;opacity:1;}

@media (max-width:900px){
  .solutions-accordion{
    flex-direction:column;height:auto;
  }
  .acc-item{flex:none !important;height:120px;align-items:center;}
  .acc-item.is-active{height:220px;}
  .acc-icon{top:18px;}
  .acc-icon svg{width:34px;height:34px;}
}


/* tech grid (home) */
.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.tech-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 18px;text-align:center;transition:box-shadow .2s, transform .2s;
}
.tech-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.tech-card .icon{
  width:52px;height:52px;border-radius:50%;background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:var(--primary);
}
.tech-card .label{font-weight:700;color:var(--text-dark);font-size:15px;}
@media (max-width:900px){.tech-grid{grid-template-columns:repeat(2,1fr);}}

/* case preview cards (home + cases page) */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .2s, box-shadow .2s;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.case-thumb{position:relative;height:190px;background-size:cover;background-position:center;}
.case-tag{
  position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);color:var(--primary-dark);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:20px;
}
.case-body{padding:20px 22px 24px;}
.case-body .client{font-size:12.5px;color:var(--primary);font-weight:700;margin-bottom:6px;}
.case-body h3{font-size:17px;margin-bottom:8px;}
.case-body p{font-size:13.5px;color:var(--text-gray);}
@media (max-width:900px){.case-grid{grid-template-columns:1fr;}}

/* logos */
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.logo-cell{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 10px;display:flex;align-items:center;justify-content:center;
  font-weight:700;color:var(--text-dark);font-size:13.5px;text-align:center;min-height:74px;
}
@media (max-width:900px){.logo-wall{grid-template-columns:repeat(3,1fr);}}

/* process strip */
.process-strip{background:linear-gradient(120deg,var(--navy-deep),var(--navy-light));color:#fff;padding:64px 0;}
.process-strip .section-head h2,.process-strip .section-head p{color:#fff;}
.process-strip .section-head p{color:#b9caf2;}
.process-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;text-align:center;}
.process-grid .num{font-size:26px;font-weight:800;color:#8fb4ff;}
.process-grid .txt{margin-top:10px;font-size:14.5px;color:#e7edff;}
@media (max-width:900px){.process-grid{grid-template-columns:repeat(2,1fr);gap:28px;}}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-deep);color:#c9d4ee;padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-brand .logo-mark{width:30px;height:30px;font-size:12px;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px;}
.footer-col li{margin-bottom:11px;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;}
.footer-msg-btn{display:inline-block;background:var(--primary);color:#fff;font-weight:700;padding:12px 26px;border-radius:8px;font-size:14px;}
.footer-note{font-size:12.5px;color:#8ea0c9;margin-top:12px;}
.footer-bottom{text-align:center;padding:22px 0;font-size:13px;color:#7e8fb7;}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- Solution detail pages ---------- */
.solution-hero{
  background:linear-gradient(120deg,#dbe7fb,#eef3fd);
  padding:70px 0 90px;
}
.solution-hero .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.solution-hero h1{font-size:32px;color:var(--text-dark);margin-bottom:20px;}
.solution-hero p{color:var(--text-body);font-size:15px;margin-bottom:28px;}
.solution-hero .art{
  min-height:260px;
  display:flex;align-items:center;justify-content:center;
}
.solution-hero .art img{
  width:100%;max-width:460px;height:320px;object-fit:contain;
  display:block;
}
@media (max-width:900px){.solution-hero .grid{grid-template-columns:1fr;}.solution-hero .art{order:-1;min-height:180px;}.solution-hero .art img{height:220px;max-width:340px;}}

.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scenario-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.scenario-thumb{height:140px;background-size:cover;background-position:center;}
.scenario-label{background:#fff;padding:12px;text-align:center;font-weight:700;font-size:14px;color:var(--text-dark);border:1px solid var(--border);border-top:none;}
@media (max-width:900px){.scenario-grid{grid-template-columns:repeat(2,1fr);}}

.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.feature-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;display:flex;gap:18px;align-items:flex-start;
}
.feature-card .icon{width:48px;height:48px;flex:none;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);}
.feature-card h3{font-size:16.5px;margin-bottom:8px;}
.feature-card p{font-size:13.5px;color:var(--text-gray);}
@media (max-width:900px){.feature-grid{grid-template-columns:1fr;}}

.product-block{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:52px 0;border-bottom:1px solid var(--border);}
.product-block:last-of-type{border-bottom:none;}
.product-block.reverse .product-text{order:2;}
.product-block.reverse .product-visual{order:1;}
.product-index{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;
  background:var(--primary);color:#fff;font-weight:800;font-size:14px;margin-right:10px;
}
.product-text h3{display:flex;align-items:center;font-size:19px;margin-bottom:16px;}
.product-text > p{font-size:14px;color:var(--text-body);margin-bottom:20px;}
.tag-checklist{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px 14px;}
.tag-checklist li{font-size:13.5px;color:var(--text-dark);display:flex;align-items:center;gap:6px;}
.tag-checklist li::before{content:"✓";color:var(--primary);font-weight:800;}
.product-visual{
  min-height:220px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#1a2b57,#2f6fed);
  display:flex;align-items:center;justify-content:center;color:#cfe0ff;font-size:14px;
}
@media (max-width:900px){
  .product-block{grid-template-columns:1fr;}
  .product-block.reverse .product-text,.product-block.reverse .product-visual{order:initial;}
  .tag-checklist{grid-template-columns:1fr 1fr;}
}

.value-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
}
.value-data{background:#fff;border:1px solid var(--border);padding:40px;}
.value-data h4{font-size:16px;margin-bottom:22px;}
.value-nums{display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;margin-bottom:22px;}
.value-nums .num{font-size:24px;font-weight:800;color:var(--green);}
.value-nums .num.down{color:var(--orange);}
.value-nums .label{font-size:12.5px;color:var(--text-gray);margin-top:4px;}
.value-data p{font-size:13px;color:var(--text-gray);}
.value-visual{background:linear-gradient(135deg,#1a2b57,#2f6fed);}
@media (max-width:900px){.value-panel{grid-template-columns:1fr;}.value-visual{min-height:200px;}}

/* ---------- Cases page ---------- */
.cases-hero{
  position:relative;color:#fff;padding:130px 0 90px;
  background:linear-gradient(180deg,rgba(5,12,30,.55),rgba(5,12,30,.75)),
    linear-gradient(120deg,#233457,#0c1730);
  text-align:left;
}
.cases-hero .eyebrow{color:#9db6ff;font-weight:700;letter-spacing:2px;margin-bottom:14px;}
.cases-hero h1{font-size:34px;max-width:720px;color:#fff;}

/* ---------- About page ---------- */
.about-hero{
  position:relative;color:#fff;padding:130px 0 80px;
  background:linear-gradient(120deg,rgba(20,20,40,.35),rgba(20,20,40,.55)),
   linear-gradient(120deg,#3a2c1f,#1c2f55);
}
.about-hero h1{font-size:36px;color:#fff;}
.intro-panel{background:var(--bg-light);border:1px solid var(--border);border-radius:var(--radius-lg);padding:44px;}
.intro-panel p{font-size:14.5px;color:var(--text-body);margin-bottom:18px;}
.intro-panel p:last-child{margin-bottom:0;}
.values-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.value-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 14px;text-align:center;}
.value-card .icon{width:48px;height:48px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;margin:0 auto 12px;color:var(--primary);}
.value-card h4{font-size:15.5px;margin-bottom:6px;}
.value-card p{font-size:12px;color:var(--text-gray);}
@media (max-width:900px){.values-grid{grid-template-columns:repeat(2,1fr);}}
.vision-band{background:var(--navy-deep);color:#fff;text-align:center;padding:70px 0;}
.vision-band h2{color:#fff;font-size:26px;margin-bottom:18px;}
.vision-band p{color:#c3cee9;max-width:720px;margin:0 auto 30px;font-size:15px;}

/* ---------- Contact / business cooperation page ---------- */
.contact-hero{background:var(--navy-deep);color:#fff;text-align:center;padding:60px 0;}
.contact-hero h1{color:#fff;font-size:30px;margin-bottom:14px;}
.contact-hero p{color:#b9c8ea;font-size:14.5px;}
.contact-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:flex-start;}
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow);}
.form-card h2{font-size:20px;margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text-dark);margin-bottom:8px;}
.field label .req{color:#e53e3e;margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;
  font-size:14px;font-family:inherit;color:var(--text-dark);background:#fbfcfe;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);outline:none;background:#fff;}
.form-hint{text-align:center;font-size:12.5px;color:var(--text-gray);margin-top:14px;}
.contact-info-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:8px 0 0;}
.info-row{display:flex;gap:14px;align-items:flex-start;padding:18px 26px;border-bottom:1px solid var(--border);}
.info-row .icon{width:42px;height:42px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;flex:none;}
.info-row h4{font-size:14.5px;margin-bottom:4px;}
.info-row p{font-size:13.5px;color:var(--text-gray);}
.why-card{background:var(--navy-deep);color:#fff;border-radius:var(--radius-lg);padding:26px;margin-top:22px;}
.why-card h4{color:#fff;font-size:15.5px;margin-bottom:16px;}
.why-card li{font-size:13.5px;color:#dbe6ff;margin-bottom:11px;}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;}}

/* generic icon svg sizing */
.icon svg{width:24px;height:24px;}

/* form success message */
.form-success{display:none;background:#eafaf0;border:1px solid #b8ecc9;color:#1a7a43;padding:14px 16px;border-radius:8px;font-size:14px;margin-bottom:16px;}
.form-success.show{display:block;}