/*==============================================================
  焜盛科技 · 品牌设计系统 v1.0
  配色：近黑 #1a1a1a + 金色 #C9A94E + 辅助金 #A5852E
==============================================================*/

/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
  background:#0d0d0d;color:#e0e0e0;line-height:1.6;-webkit-font-smoothing:antialiased
}
a{color:#C9A94E;text-decoration:none;transition:color .2s}
a:hover{color:#d4b87a}
img{max-width:100%;height:auto}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== Scrollbar ===== */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:rgba(255,255,255,.04)}
::-webkit-scrollbar-thumb{background:rgba(201,169,78,.25);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:rgba(201,169,78,.4)}
*{scrollbar-width:thin;scrollbar-color:rgba(201,169,78,.25) rgba(255,255,255,.04)}

/* ===== Typography ===== */
h1,h2,h3,h4{font-weight:600;line-height:1.3}
.section{padding:80px 0}
.section-title{
  font-size:32px;color:#fff;text-align:center;margin-bottom:12px;letter-spacing:2px
}
.section-subtitle{
  font-size:15px;color:rgba(255,255,255,.35);text-align:center;margin-bottom:48px;letter-spacing:1px
}
.section-divider{
  width:60px;height:3px;background:linear-gradient(90deg,#C9A94E,#d4b87a);
  margin:0 auto 12px;border-radius:2px
}

/* ===== Header ===== */
.header{
  position:fixed;top:0;left:0;width:100%;z-index:100;
  background:rgba(13,13,13,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.04);transition:all .3s
}
.header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:#C9A94E;letter-spacing:2px}
.logo-icon{width:28px;height:28px}
.nav{display:flex;gap:4px}
.nav a{
  padding:8px 16px;border-radius:6px;font-size:14px;color:rgba(255,255,255,.5);
  transition:all .2s;letter-spacing:1px
}
.nav a:hover,.nav a.active{background:rgba(201,169,78,.08);color:#C9A94E}

/* ===== Hero ===== */
.hero{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0a0a0a 0%,#1a1a1a 50%,#0d0d0d 100%);
  position:relative;overflow:hidden;padding-top:64px
}
.hero::before{
  content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background:radial-gradient(ellipse at 30% 40%,rgba(201,169,78,.04) 0%,transparent 60%);
  pointer-events:none
}
.hero-content{position:relative;z-index:1;text-align:center;max-width:800px;padding:0 24px}
.hero-slogan{font-size:48px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:3px;line-height:1.2}
.hero-slogan em{font-style:normal;background:linear-gradient(135deg,#C9A94E,#d4b87a,#A5852E);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-subtitle{font-size:18px;color:rgba(255,255,255,.4);margin-bottom:36px;letter-spacing:2px;line-height:1.6}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:6px;padding:12px 32px;
  border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;
  transition:all .3s;border:none;font-family:inherit;letter-spacing:1px
}
.btn-primary{background:linear-gradient(135deg,#C9A94E,#d4b87a);color:#1a1a1a}
.btn-primary:hover{box-shadow:0 8px 24px rgba(201,169,78,.3);transform:translateY(-2px)}
.btn-outline{background:transparent;color:#C9A94E;border:1.5px solid rgba(201,169,78,.3)}
.btn-outline:hover{background:rgba(201,169,78,.06);border-color:#C9A94E;transform:translateY(-2px)}

/* ===== Services Section ===== */
.services{background:linear-gradient(180deg,#0d0d0d 0%,#111 100%)}
.services-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}
.service-card{
  background:rgba(26,26,26,.6);border:1px solid rgba(255,255,255,.04);
  border-radius:12px;padding:32px 28px;transition:all .3s;position:relative;overflow:hidden
}
.service-card::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:2px;
  background:linear-gradient(90deg,transparent,#C9A94E,transparent);
  opacity:0;transition:opacity .3s
}
.service-card:hover{transform:translateY(-4px);border-color:rgba(201,169,78,.15);background:rgba(26,26,26,.8)}
.service-card:hover::before{opacity:1}
.service-icon{width:48px;height:48px;margin-bottom:16px;color:#C9A94E}
.service-name{font-size:18px;color:#fff;margin-bottom:8px;letter-spacing:1px}
.service-desc{font-size:14px;color:rgba(255,255,255,.45);line-height:1.7;margin-bottom:16px}
.service-price{font-size:13px;color:rgba(201,169,78,.6);letter-spacing:1px}
.service-price strong{color:#C9A94E;font-size:20px}

/* ===== Cases Section ===== */
.cases{background:linear-gradient(180deg,#111 0%,#0d0d0d 100%)}
.cases-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:20px}
.case-card{
  background:rgba(26,26,26,.6);border:1px solid rgba(255,255,255,.04);
  border-radius:12px;overflow:hidden;transition:all .3s
}
.case-card:hover{transform:translateY(-4px);border-color:rgba(201,169,78,.15)}
.case-cover{width:100%;height:200px;object-fit:cover;background:rgba(26,26,26,.8)}
.case-info{padding:20px 24px 24px}
.case-category{
  display:inline-block;padding:2px 10px;border-radius:10px;font-size:11px;margin-bottom:8px
}
.case-category-website{background:rgba(16,185,129,.12);color:#34d399}
.case-category-mini_app{background:rgba(139,92,246,.12);color:#a78bfa}
.case-category-app{background:rgba(59,130,246,.12);color:#60a5fa}
.case-category-other{background:rgba(249,115,22,.12);color:#fb923c}
.case-title{font-size:16px;color:#fff;margin-bottom:6px}
.case-client{font-size:13px;color:rgba(255,255,255,.35)}

/* ===== Stats Section ===== */
.stats{
  background:linear-gradient(135deg,#0d0d0d 0%,#1a1a1a 50%,#0d0d0d 100%);
  border-top:1px solid rgba(255,255,255,.03);border-bottom:1px solid rgba(255,255,255,.03)
}
.stats-grid{display:flex;justify-content:center;gap:80px;flex-wrap:wrap}
.stat-item{text-align:center}
.stat-number{font-size:48px;font-weight:800;color:#C9A94E;line-height:1;margin-bottom:4px;letter-spacing:2px}
.stat-label{font-size:14px;color:rgba(255,255,255,.35);letter-spacing:2px}

/* ===== About Preview ===== */
.about-preview{background:linear-gradient(180deg,#0d0d0d 0%,#111 100%)}
.about-content{max-width:800px;margin:0 auto;text-align:center}
.about-text{font-size:15px;color:rgba(255,255,255,.5);line-height:1.9;margin-bottom:24px}
.about-text strong{color:#ddd}

/* ===== Footer ===== */
.footer{
  background:rgba(10,10,10,.95);border-top:1px solid rgba(255,255,255,.03);padding:48px 0 32px
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px
}
.footer h4{font-size:14px;color:#C9A94E;margin-bottom:16px;letter-spacing:1px}
.footer p,.footer a{font-size:13px;color:rgba(255,255,255,.4);line-height:1.8}
.footer-brand .logo{margin-bottom:12px}
.footer-desc{font-size:13px;color:rgba(255,255,255,.3);margin-top:8px;line-height:1.7}
.footer-links a{display:block;transition:all .2s}
.footer-links a:hover{color:#C9A94E;padding-left:4px}
.footer-contact p{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.04);padding-top:20px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px
}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.2)}
.footer-beian{color:rgba(255,255,255,.2);font-size:12px}
.footer-beian:hover{color:rgba(255,255,255,.4)}

/* ===== Responsive ===== */
@media(max-width:768px){
  .hero-slogan{font-size:32px;letter-spacing:1px}
  .hero-subtitle{font-size:15px}
  .services-grid,.cases-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .stats-grid{gap:40px}
  .stat-number{font-size:36px}
  .nav{gap:0}
  .nav a{padding:6px 10px;font-size:12px}
}
@media(max-width:480px){
  .hero-slogan{font-size:26px}
  .section{padding:48px 0}
  .footer-grid{grid-template-columns:1fr}
}