/*! 东华特创 v5 */
:root{
  --bg:#f8fafc;--surface:#fff;--surface-alt:#f1f5f9;
  --text:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;
  --blue:#2563eb;--blue-dark:#1d4ed8;--blue-light:#3b82f6;
  --blue-50:#eff6ff;--blue-100:#dbeafe;--blue-200:#bfdbfe;
  --accent:#6366f1;--accent-light:#818cf8;
  --success:#10b981;--warning:#f59e0b;--danger:#ef4444;
  --radius-sm:6px;--radius:10px;--radius-lg:16px;--radius-xl:24px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04);
  --shadow:0 4px 6px -1px rgba(0,0,0,.06),0 2px 4px -2px rgba(0,0,0,.04);
  --shadow-lg:0 20px 40px -8px rgba(0,0,0,.08),0 8px 16px -4px rgba(0,0,0,.04);
  --shadow-xl:0 32px 64px -12px rgba(0,0,0,.12);
  --shadow-blue:0 8px 30px -6px rgba(37,99,235,.25);
  --glass-bg:rgba(255,255,255,.72);
  --glass-border:rgba(255,255,255,.5);
  --nav-height:72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
body::before{content:'';position:fixed;top:0;left:0;width:100%;height:100%;background-image:radial-gradient(circle at 20% 20%,rgba(37,99,235,.03) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(99,102,241,.03) 0%,transparent 50%);pointer-events:none;z-index:-1}

/* ===== Navigation ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(226,232,240,.6);height:var(--nav-height);transition:all .3s}
.nav.scrolled{background:rgba(255,255,255,.95);box-shadow:0 1px 3px rgba(0,0,0,.06)}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 32px;height:100%;display:flex;align-items:center;justify-content:space-between}
.nav-brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1rem}
.nav-brand img{height:44px;width:auto}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none}
.nav-links li{list-style:none}
.nav-link{color:#0f172a;font-weight:600;padding:10px 20px;border-radius:10px;transition:all .25s;font-size:.9375rem}
.nav-link:hover{color:var(--blue);background:var(--blue-50)}
.nav-link.active{color:#fff;background:linear-gradient(135deg,var(--blue),var(--accent));font-weight:700;box-shadow:0 4px 14px rgba(37,99,235,.3)}
.nav-btn{display:none}
.menu-btn{display:none;background:none;border:none;cursor:pointer;padding:8px;border-radius:8px;color:var(--text)}
.mobile-menu{display:none}
.mobile-inner{display:flex;flex-direction:column;gap:4px}
.mobile-link{display:block;padding:12px 16px;font-size:1rem;font-weight:600;border-radius:10px;transition:.2s}
.mobile-link:hover{background:var(--blue-50);color:var(--blue)}
.mobile-link.active{background:linear-gradient(135deg,var(--blue),var(--accent));color:#fff}

/* ===== Container ===== */
.container{max-width:1280px;margin:0 auto;padding:0 32px}
.container-wide{max-width:1280px;margin:0 auto;padding:0 32px}
.container-narrow{max-width:900px;margin:0 auto;padding:0 32px}
.container-sm{max-width:900px;margin:0 auto;padding:0 32px}
.section-padding{padding:100px 0}

/* ===== Hero ===== */
.hero-section{padding:80px 0 100px;position:relative;overflow:hidden}
.hero-section::before{content:'';position:absolute;top:-50%;right:-20%;width:800px;height:800px;background:radial-gradient(circle,rgba(37,99,235,.06) 0%,rgba(99,102,241,.04) 40%,transparent 70%);border-radius:50%;pointer-events:none}
.hero-section::after{content:'';position:absolute;bottom:-30%;left:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(16,185,129,.04) 0%,transparent 60%);border-radius:50%;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1fr;gap:48px;align-items:center;position:relative;z-index:1}
@media(min-width:768px){.hero-grid{grid-template-columns:1fr 1fr;gap:64px}}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:var(--blue-50);border:1px solid var(--blue-100);border-radius:100px;font-size:.8125rem;font-weight:600;color:var(--blue);margin-bottom:24px}
.hero-badge::before{display:none}

.hero h1,.hero-section h1{font-size:2.5rem;font-weight:900;line-height:1.15;letter-spacing:-.03em;margin-bottom:20px;background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 50%,#2563eb 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
@media(min-width:768px){.hero h1,.hero-section h1{font-size:3.25rem}}
.hero-desc,.hero p{font-size:1.125rem;color:var(--text-muted);line-height:1.7;margin-bottom:32px;max-width:520px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-visual img,.hero-visual video{width:100%;border-radius:var(--radius-xl);box-shadow:var(--shadow-xl)}
.hero-visual::after{content:'';position:absolute;inset:-4px;border-radius:var(--radius-xl);background:linear-gradient(135deg,rgba(37,99,235,.2),rgba(99,102,241,.2),rgba(16,185,129,.2));z-index:-1;filter:blur(20px);opacity:.6}
.hero-stats{display:flex;gap:40px;margin-top:36px;padding-top:28px;border-top:1px solid rgba(148,163,184,.15)}
.hero-stat .num{font-size:2rem;font-weight:900;background:linear-gradient(135deg,var(--blue),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.hero-stat .label{font-size:.8125rem;color:var(--text-muted);margin-top:4px}

/* ===== Stats Grid ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-val{font-size:2rem;font-weight:900;background:linear-gradient(135deg,var(--blue),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.stat-label{font-size:.8125rem;color:var(--text-muted);margin-top:4px}

/* ===== Section Headings ===== */
.section-tag{display:inline-flex;align-items:center;gap:10px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--blue);margin-bottom:16px}
.section-tag::before,.section-tag::after{content:'';display:inline-block;width:28px;height:1.5px;background:var(--blue-200);border-radius:1px}
.section-title{font-size:2rem;font-weight:900;letter-spacing:-.03em;line-height:1.15;color:var(--text);margin-bottom:6px}
@media(min-width:768px){.section-title{font-size:2.5rem}}
.section-sub{font-size:1rem;color:var(--text-muted);max-width:580px;line-height:1.6}
.section-subtitle{font-size:1rem;color:var(--text-muted);margin-top:12px}
.text-center .section-sub,.text-center .section-subtitle{margin-left:auto;margin-right:auto}
.divider{width:48px;height:4px;background:linear-gradient(90deg,var(--blue),var(--accent-light));border-radius:2px;margin:16px auto 0}

/* ===== Page Head ===== */
.page-head{padding:80px 0 56px;text-align:center}
.page-head h1{font-size:2.5rem;font-weight:900;margin-bottom:12px;background:linear-gradient(135deg,#0f172a,#2563eb);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.page-head p{font-size:1.125rem;color:var(--text-muted);max-width:600px;margin:0 auto}

/* ===== Cards ===== */
.card-grid{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.card{background:var(--surface);border:1px solid rgba(226,232,240,.8);border-radius:var(--radius-xl);padding:32px;transition:all .35s;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--accent-light),var(--success));transform:scaleX(0);transform-origin:left;transition:transform .4s;border-radius:var(--radius-xl) var(--radius-xl) 0 0;z-index:1}
.card:hover{transform:translateY(-6px);box-shadow:0 20px 40px -12px rgba(37,99,235,.12);border-color:rgba(37,99,235,.2)}
.card:hover::before{transform:scaleX(1)}
.card-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius);background:linear-gradient(135deg,var(--blue-50),var(--blue-100));margin-bottom:20px;font-size:1.5rem}
.card-title{font-size:1.125rem;font-weight:800;margin-bottom:10px;letter-spacing:-.01em}
.card-desc{font-size:.9375rem;color:var(--text-muted);line-height:1.7}

/* ===== Image Cards (Product Cards) ===== */
.img-card{background:var(--surface);border-radius:var(--radius-xl);overflow:hidden;border:1px solid rgba(226,232,240,.8);transition:all .35s}
.img-card:hover{transform:translateY(-6px);box-shadow:0 24px 48px -12px rgba(0,0,0,.1);border-color:rgba(37,99,235,.15)}
.img-card-img{width:100%;height:200px;object-fit:cover}
.img-card-body{padding:24px}
.img-card-body .card-title{font-size:1.125rem;font-weight:800;margin-bottom:8px}
.img-card-body .card-desc{font-size:.9375rem;color:var(--text-muted);line-height:1.7}

/* ===== Case Cards (Business Direction + Cases) ===== */
.case-cards{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.case,.case-card{background:var(--surface);border:1px solid rgba(226,232,240,.8);border-radius:var(--radius-lg);padding:28px;transition:all .35s}
.case:hover,.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(37,99,235,.15)}
.case-tag{margin-bottom:14px;display:inline-block;padding:4px 12px;border-radius:100px;font-size:.75rem;font-weight:700;letter-spacing:.02em}
.case-title{font-size:1.0625rem;font-weight:800;margin-bottom:8px;letter-spacing:-.01em}
.case-desc{font-size:.875rem;color:var(--text-muted);line-height:1.7}
.case-metrics{display:flex;gap:16px;margin-top:16px;padding-top:16px;border-top:1px solid rgba(226,232,240,.5)}
.case-metric-val{font-size:1.5rem;font-weight:900;color:var(--blue);line-height:1}
.case-metric-label{font-size:.6875rem;color:var(--text-muted)}
.tag-gov{background:rgba(37,99,235,.1);color:var(--blue)}
.tag-sec{background:rgba(99,102,241,.1);color:var(--accent)}
.tag-edu{background:rgba(16,185,129,.1);color:var(--success)}
.tag-sw{background:rgba(245,158,11,.1);color:var(--warning)}

/* ===== Feature List (About Page) ===== */
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.feature-dot{display:inline-block;width:8px;height:8px;background:var(--blue);border-radius:50%;margin-right:8px}
.dot{display:inline-block;width:8px;height:8px;background:var(--blue);border-radius:50%}

/* ===== Grid Helpers ===== */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:12px;font-weight:700;font-size:.9375rem;border:none;cursor:pointer;transition:all .3s;letter-spacing:.01em;text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;box-shadow:0 4px 14px rgba(37,99,235,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,.4);filter:brightness(1.05)}
.btn-outline{background:transparent;border:2px solid var(--blue-200);color:var(--blue)}
.btn-outline:hover{background:var(--blue-50);border-color:var(--blue);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.15);color:#fff;backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.25);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--blue);box-shadow:var(--shadow)}
.btn-white:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-line{background:transparent;border:2px solid rgba(255,255,255,.3);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-lg{padding:16px 36px;font-size:1.0625rem;border-radius:14px}

/* ===== Tags/Badges ===== */
.tag{display:inline-block;padding:4px 12px;border-radius:100px;font-size:.75rem;font-weight:700;letter-spacing:.02em}
.tag-blue{background:var(--blue-50);color:var(--blue)}
.tag-green{background:rgba(16,185,129,.1);color:var(--success)}
.tag-purple{background:rgba(99,102,241,.1);color:var(--accent)}
.tag-orange{background:rgba(245,158,11,.1);color:var(--warning)}

/* ===== Brand Grid ===== */
.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.brand-item{background:var(--surface);border:1px solid rgba(226,232,240,.8);border-radius:var(--radius-lg);padding:24px 16px;text-align:center;transition:all .3s}
.brand-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(37,99,235,.2)}
.brand-name{font-size:1rem;font-weight:800;margin-bottom:4px;color:var(--blue)}
.brand-desc{font-size:.8125rem;color:var(--text-muted)}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:40px}
.timeline::before{content:'';position:absolute;left:15px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--blue),var(--accent-light),rgba(99,102,241,.3))}
.timeline-item{position:relative;margin-bottom:32px}
.timeline-dot{position:absolute;left:-40px;top:2px;width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.8125rem;font-weight:800;box-shadow:0 0 0 6px var(--blue-100)}
.timeline-year{font-size:.9375rem;font-weight:800;margin-bottom:4px;color:var(--blue)}
.timeline-desc{font-size:.9375rem;color:var(--text-muted);line-height:1.7}

/* ===== Contact ===== */
.contact-cards{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.contact-card,.info-card{background:var(--surface);border:1px solid rgba(226,232,240,.8);border-radius:var(--radius-xl);padding:32px;text-align:center;transition:all .35s}
.contact-card:hover,.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.info-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,var(--blue-50),var(--blue-100));display:flex;align-items:center;justify-content:center}
.info-icon svg{width:28px;height:28px;flex-shrink:0}
.info-title{font-size:1rem;font-weight:800;margin-bottom:8px}
.info-text{font-size:.9375rem;color:var(--text-muted);line-height:1.7}

/* ===== Map ===== */
.map-wrap{border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid rgba(226,232,240,.8);margin-bottom:40px}
.map-wrap iframe{width:100%;height:400px;border:0;display:block}

/* ===== Hours Grid ===== */
.hours-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.hours-item{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;align-items:center;padding:10px 0;border-bottom:1px solid rgba(226,232,240,.4)}
.hours-item span:first-child{font-size:.8125rem;color:var(--text-light);text-align:right}
.hours-item span:nth-child(2){font-weight:600}
.hours-item span:last-child{color:var(--text-muted);grid-column:2;font-size:.875rem}



/* ===== Text Items (About Page) ===== */
.text-item{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px}
.text-item .dot{margin-top:6px}

/* ===== Prose ===== */
.prose p{font-size:1rem;color:var(--text-muted);line-height:1.85;margin-bottom:20px}
.prose p:last-child{margin-bottom:0}

/* ===== CTA Section ===== */
.cta,.cta-section{background:linear-gradient(160deg,#0f172a 0%,#1e3a5f 60%,#1d4ed8 100%);color:#fff;padding:88px 0;position:relative;overflow:hidden}


.cta-content{text-align:center}
.cta-title{font-size:1.75rem;font-weight:900;margin-bottom:12px;letter-spacing:-.02em}
@media(min-width:768px){.cta-title{font-size:2.75rem}}
.cta-desc{font-size:1rem;color:rgba(255,255,255,.6);margin-bottom:24px}
.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ===== Footer ===== */
.footer{background:#0f172a;color:rgba(255,255,255,.5);padding:48px 0 32px;font-size:.8125rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;max-width:1280px;margin:0 auto;padding:0 32px}
.footer-brand{font-size:1.25rem;font-weight:800;color:#fff;margin-bottom:12px}
.footer-desc{font-size:.8125rem;line-height:1.7;margin-bottom:16px}
.footer-heading{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:rgba(255,255,255,.3);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{color:rgba(255,255,255,.5);transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-contact{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.5);font-size:.8125rem;line-height:1.5}
.footer-contact svg{width:16px;height:16px;flex-shrink:0;opacity:.6}
.footer-bottom{max-width:1280px;margin:32px auto 0;padding:20px 32px 0;border-top:1px solid rgba(255,255,255,.08);text-align:center;color:rgba(255,255,255,.25);font-size:.75rem}

/* ===== Animations ===== */
.reveal{opacity:0;transform:translateY(30px);transition:all .7s cubic-bezier(.22,1,.36,1)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ===== Responsive ===== */
@media(max-width:767px){
  .container,.container-wide,.container-narrow,.footer-grid{padding:0 20px}
  .nav-inner{padding:0 20px}
  .nav-links{display:none}
  .menu-btn{display:block}
  .nav-btn{display:block}
  .mobile-menu{display:none;position:fixed;top:var(--nav-height);left:0;right:0;background:rgba(255,255,255,.97);backdrop-filter:blur(20px);border-bottom:1px solid rgba(226,232,240,.6);padding:16px 20px;z-index:99}
  .mobile-menu.open{display:block}
  .section-padding{padding:64px 0}
  .hero-section{padding:48px 0 64px}
  .hero h1,.hero-section h1{font-size:2rem}
  .hero-stats{gap:24px}
  .hero-stat .num{font-size:1.5rem}
  .section-title{font-size:1.625rem}
  .card-grid{grid-template-columns:1fr}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .brand-grid{grid-template-columns:repeat(3,1fr)}
  .timeline{padding-left:32px}
  .cta .container,.cta-section .container{padding:36px 24px;border-radius:20px}
  .cta-title{font-size:1.75rem}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .hours-grid{grid-template-columns:1fr}
  .feature-list{grid-template-columns:1fr}
  .page-head{padding:48px 0 32px}
  .page-head h1{font-size:1.75rem}
}
@media(min-width:768px) and (max-width:1023px){.brand-grid{grid-template-columns:repeat(4,1fr)}
  .container,.container-wide,.container-narrow{padding:0 28px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .hero h1,.hero-section h1{font-size:2.5rem}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(min-width:1024px){
  .card-grid{grid-template-columns:repeat(3,1fr)}
}

/* Utility */
.text-center{text-align:center}
.mx-auto{margin-left:auto;margin-right:auto}
.bg-surface-alt{background:var(--surface-alt)}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.mb-4{margin-bottom:32px}
.text-blue{color:var(--blue)}

.cta::before,.cta-section::before{content:'';position:absolute;top:-30%;right:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(37,99,235,.2) 0%,transparent 70%);border-radius:50%}
.cta::after,.cta-section::after{content:'';position:absolute;bottom:-20%;left:-5%;width:400px;height:400px;background:radial-gradient(circle,rgba(99,102,241,.15) 0%,transparent 60%);border-radius:50%}