/* ============================================
   CSVO 中基文化 — 全局样式表 v2.0
   VI规范：深海蓝 + 活力橙 双色体系
   ============================================ */

:root{
  --deep:#0A1628;
  --ocean:#0F2847;
  --tide:#1A3A6B;
  --splash:#2D7FF9;
  --cyan:#00C2D1;
  --gold:#F5A623;
  --light:#E8EDF5;
  --gray:#8A9BB5;
  --grad:linear-gradient(135deg,#2D7FF9 0%,#00C2D1 100%);
  --grad-warm:linear-gradient(135deg,#F5A623 0%,#F0932B 100%);
  --radius:12px;
  --shadow:0 8px 30px rgba(0,0,0,.3);
  --shadow-lg:0 20px 60px rgba(0,0,0,.4);
  --transition:.3s ease;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  background:var(--deep);color:var(--light);line-height:1.7;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;outline:none}

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4,h5{font-weight:800;line-height:1.3;color:#fff}
h1{font-size:clamp(32px,5vw,56px)}
h2{font-size:clamp(26px,4vw,40px)}
h3{font-size:clamp(20px,2.5vw,24px)}
h4{font-size:18px}
h5{font-size:15px;color:var(--gray)}

.text-grad{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.text-grad-warm{background:var(--grad-warm);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 32px;border-radius:var(--radius);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:all .35s ease;text-decoration:none;
}
.btn-primary{background:var(--grad);color:#fff;border:none}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(45,127,249,.5)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(45,127,249,.4)}
.btn-outline:hover{border-color:var(--splash);background:rgba(45,127,249,.1);transform:translateY(-2px)}
.btn-gold{background:var(--grad-warm);color:#fff}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(245,166,35,.4)}
.btn-sm{padding:10px 20px;font-size:13px;border-radius:8px}

/* ===== NAVIGATION ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(10,22,40,.92);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(45,127,249,.15);
  padding:0 40px;height:72px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{display:flex;align-items:center;gap:12px}
.nav-logo svg{width:42px;height:42px}
.nav-logo-text{
  font-size:20px;font-weight:900;letter-spacing:2px;
  background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.nav-links{display:flex;gap:4px}
.nav-links a{
  padding:8px 16px;border-radius:8px;
  font-size:14px;color:var(--gray);font-weight:500;
}
.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(45,127,249,.15)}
.nav-cta{
  padding:10px 24px;background:var(--grad);
  border-radius:8px;font-size:14px;font-weight:700;color:#fff;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 4px 20px rgba(45,127,249,.4)}

/* Mobile nav */
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--light);border-radius:2px;transition:var(--transition)}
.nav-mobile{
  display:none;position:fixed;top:72px;left:0;right:0;z-index:999;
  background:var(--ocean);padding:20px;border-bottom:1px solid rgba(45,127,249,.15);
}
.nav-mobile.active{display:block}
.nav-mobile a{display:block;padding:14px 20px;font-size:15px;color:var(--gray);border-radius:8px}
.nav-mobile a:hover{color:#fff;background:rgba(45,127,249,.1)}

/* ===== HERO ===== */
.hero{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;padding:120px 40px 80px;
}
.hero::before{
  content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background:radial-gradient(ellipse at 30% 50%,rgba(45,127,249,.08) 0%,transparent 50%),
             radial-gradient(ellipse at 70% 30%,rgba(0,194,209,.06) 0%,transparent 50%);
  animation:drift 20s ease-in-out infinite;
}
@keyframes drift{0%,100%{transform:translate(0,0) rotate(0)}50%{transform:translate(-30px,-20px) rotate(2deg)}}
.hero-inner{position:relative;z-index:1;text-align:center;max-width:900px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 20px;background:rgba(45,127,249,.1);
  border:1px solid rgba(45,127,249,.3);border-radius:50px;
  font-size:13px;color:var(--cyan);margin-bottom:32px;
}
.hero-badge .dot{width:8px;height:8px;background:var(--cyan);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}
.hero h1{margin-bottom:24px;letter-spacing:-1px}
.hero-sub{font-size:20px;color:var(--gray);margin-bottom:48px;max-width:700px;margin-left:auto;margin-right:auto}
.hero-actions{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}

/* ===== DATA BAR ===== */
.data-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  max-width:1000px;margin:60px auto 0;padding:0 40px;
}
.data-item{text-align:center;padding:24px;border-right:1px solid rgba(255,255,255,.06)}
.data-item:last-child{border-right:none}
.data-num{font-size:42px;font-weight:900;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.data-label{font-size:13px;color:var(--gray);margin-top:4px}

/* ===== SECTION ===== */
.section{padding:100px 40px;position:relative}
.section-inner{max-width:1200px;margin:0 auto}
.section-head{text-align:center;margin-bottom:64px}
.section-tag{
  display:inline-block;padding:6px 16px;
  background:rgba(45,127,249,.1);border-radius:50px;
  font-size:11px;color:var(--cyan);letter-spacing:3px;
  margin-bottom:16px;text-transform:uppercase;font-weight:600;
}
.section-title{margin-bottom:16px}
.section-desc{font-size:17px;color:var(--gray);max-width:600px;margin:0 auto}

/* ===== CARDS ===== */
.card{
  background:linear-gradient(180deg,rgba(26,58,107,.35) 0%,rgba(15,40,71,.55) 100%);
  border:1px solid rgba(45,127,249,.12);border-radius:20px;
  padding:40px 32px;transition:all .4s ease;position:relative;overflow:hidden;
}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);transform:scaleX(0);transition:.4s;transform-origin:left;
}
.card:hover{transform:translateY(-6px);border-color:rgba(45,127,249,.3);box-shadow:var(--shadow-lg)}
.card:hover::before{transform:scaleX(1)}

/* ===== SERVICES GRID ===== */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.service-icon{
  width:64px;height:64px;border-radius:16px;
  background:rgba(45,127,249,.1);display:flex;align-items:center;justify-content:center;
  font-size:28px;margin-bottom:24px;
}
.service-card h3{margin-bottom:12px}
.service-card>p{font-size:14px;color:var(--gray);line-height:1.8;margin-bottom:20px}
.service-card ul li{padding:6px 0 6px 22px;font-size:13px;color:var(--light);opacity:.85;position:relative}
.service-card ul li::before{content:'✓';position:absolute;left:0;color:var(--cyan);font-weight:700}
.service-link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-size:14px;color:var(--splash);font-weight:600}
.service-link:hover{gap:10px}

/* ===== CASE CARDS ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.case-card{transition:all .4s ease;border:1px solid rgba(255,255,255,.06);border-radius:16px;overflow:hidden;background:rgba(15,40,71,.6)}
.case-card:hover{transform:translateY(-6px);border-color:rgba(45,127,249,.25);box-shadow:var(--shadow)}
.case-img{
  height:200px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(45,127,249,.15),rgba(0,194,209,.1));
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--gray);
}
.case-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(10,22,40,.85) 100%)}
.case-tag{
  position:absolute;top:16px;left:16px;z-index:1;
  padding:4px 12px;background:rgba(45,127,249,.9);border-radius:4px;
  font-size:11px;font-weight:600;color:#fff;
}
.case-body{padding:24px}
.case-card h4{margin-bottom:8px;font-size:16px}
.case-card>p{font-size:13px;color:var(--gray);line-height:1.6;margin-bottom:16px}
.case-stats{display:flex;gap:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.06)}
.case-stat-num{font-size:18px;font-weight:800;color:var(--cyan)}
.case-stat-label{font-size:11px;color:var(--gray)}

/* ===== PROCESS ===== */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.process::before{
  content:'';position:absolute;top:40px;left:12.5%;right:12.5%;height:2px;
  background:linear-gradient(90deg,var(--splash),var(--cyan));opacity:.3;
}
.step{text-align:center;position:relative;z-index:1}
.step-num{
  width:80px;height:80px;border-radius:50%;
  background:var(--ocean);border:3px solid var(--splash);
  display:flex;align-items:center;justify-content:center;
  font-size:26px;font-weight:900;margin:0 auto 20px;color:var(--cyan);
}
.step h4{margin-bottom:8px;font-size:16px}
.step p{font-size:13px;color:var(--gray);line-height:1.6}

/* ===== FILTER TABS ===== */
.filter-tabs{display:flex;justify-content:center;gap:12px;margin-bottom:48px;flex-wrap:wrap}
.filter-tab{
  padding:10px 24px;border-radius:50px;font-size:14px;font-weight:500;
  background:rgba(45,127,249,.08);color:var(--gray);
  border:1px solid rgba(45,127,249,.15);cursor:pointer;transition:var(--transition);
}
.filter-tab:hover,.filter-tab.active{background:var(--grad);color:#fff;border-color:transparent}

/* ===== CTA SECTION ===== */
.cta-section{
  text-align:center;padding:100px 40px;
  background:linear-gradient(180deg,transparent,rgba(45,127,249,.05),transparent);
}
.cta-section h2{margin-bottom:16px}
.cta-section p{font-size:17px;color:var(--gray);margin-bottom:40px}
.cta-buttons{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}

/* ===== FOOTER ===== */
.footer{background:rgba(5,12,24,.8);padding:60px 40px 30px;border-top:1px solid rgba(255,255,255,.04)}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand h3{font-size:20px;margin-bottom:12px}
.footer-brand p{font-size:13px;color:var(--gray);line-height:1.8}
.footer-col h5{font-size:14px;margin-bottom:16px;color:#fff}
.footer-col ul li{padding:6px 0}
.footer-col ul li a{font-size:13px;color:var(--gray)}
.footer-col ul li a:hover{color:var(--cyan)}
.footer-bottom{
  max-width:1200px;margin:40px auto 0;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.04);
  display:flex;justify-content:space-between;font-size:12px;color:var(--gray);
}

/* ===== FLOAT CTA ===== */
.float-cta{position:fixed;bottom:30px;right:30px;z-index:999;display:none}
.float-cta a{
  padding:14px 28px;background:var(--grad);border-radius:50px;
  font-size:14px;font-weight:700;color:#fff;
  box-shadow:0 4px 20px rgba(45,127,249,.4);
  display:inline-flex;align-items:center;gap:8px;
}
.float-cta a:hover{transform:scale(1.05)}

/* ===== BREADCRUMB ===== */
.breadcrumb{
  padding:100px 40px 20px;font-size:14px;color:var(--gray);
  max-width:1200px;margin:0 auto;
}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb span{margin:0 8px;opacity:.5}

/* ===== PAGE HEADER ===== */
.page-header{
  padding:140px 40px 60px;text-align:center;position:relative;overflow:hidden;
}
.page-header::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at center,rgba(45,127,249,.08) 0%,transparent 70%);
}
.page-header-inner{position:relative;z-index:1;max-width:800px;margin:0 auto}
.page-header h1{margin-bottom:16px}
.page-header p{font-size:18px;color:var(--gray)}

/* ===== PRICING TABLE ===== */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:48px}
.pricing-card{
  background:linear-gradient(180deg,rgba(26,58,107,.35),rgba(15,40,71,.6));
  border:1px solid rgba(45,127,249,.12);border-radius:24px;
  padding:48px 36px;position:relative;transition:all .4s;
}
.pricing-card.featured{border-color:var(--splash);box-shadow:0 0 40px rgba(45,127,249,.15)}
.pricing-card.featured::after{
  content:'最受欢迎';position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  padding:6px 20px;background:var(--grad);border-radius:20px;font-size:12px;font-weight:700;color:#fff;
}
.pricing-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.price-name{font-size:14px;color:var(--cyan);font-weight:600;margin-bottom:8px;letter-spacing:2px}
.price-num{font-size:48px;font-weight:900;margin-bottom:4px}
.price-num small{font-size:16px;color:var(--gray);font-weight:400}
.price-desc{font-size:14px;color:var(--gray);margin-bottom:32px;line-height:1.6}
.price-features{margin-bottom:36px}
.price-features li{padding:8px 0 8px 24px;font-size:14px;position:relative;color:var(--light)}
.price-features li::before{content:'✓';position:absolute;left:0;color:var(--cyan);font-weight:700}
.price-features li.disabled{opacity:.4}
.price-features li.disabled::before{content:'—';color:var(--gray)}

/* ===== TEAM ===== */
.team-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.team-card{
  display:flex;gap:24px;align-items:flex-start;
  background:rgba(15,40,71,.5);border:1px solid rgba(255,255,255,.06);
  border-radius:20px;padding:32px;transition:all .35s;
}
.team-card:hover{border-color:rgba(45,127,249,.25);transform:translateY(-4px)}
.team-avatar{
  width:100px;height:100px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,rgba(45,127,249,.2),rgba(0,194,209,.15));
  display:flex;align-items:center;justify-content:center;
  font-size:36px;
}
.team-info h4{margin-bottom:4px}
.team-role{font-size:13px;color:var(--cyan);margin-bottom:12px;font-weight:600}
.team-info p{font-size:13px;color:var(--gray);line-height:1.7}

/* ===== TIMELINE ===== */
.timeline{max-width:800px;margin:0 auto;position:relative;padding-left:40px}
.timeline::before{content:'';position:absolute;left:12px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--splash),transparent)}
.tl-item{position:relative;margin-bottom:40px}
.tl-item::before{
  content:'';position:absolute;left:-34px;top:6px;
  width:14px;height:14px;border-radius:50%;background:var(--splash);
  box-shadow:0 0 0 4px rgba(45,127,249,.2);
}
.tl-year{font-size:13px;color:var(--cyan);font-weight:700;margin-bottom:4px}
.tl-title{font-size:18px;font-weight:700;margin-bottom:8px}
.tl-desc{font-size:14px;color:var(--gray);line-height:1.7}

/* ===== BLOG ===== */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.blog-card{
  background:rgba(15,40,71,.5);border:1px solid rgba(255,255,255,.06);
  border-radius:16px;overflow:hidden;transition:all .35s;
}
.blog-card:hover{transform:translateY(-6px);border-color:rgba(45,127,249,.25)}
.blog-thumb{
  height:180px;display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--gray);
  background:linear-gradient(135deg,rgba(45,127,249,.1),rgba(0,194,209,.08));
}
.blog-body{padding:24px}
.blog-meta{display:flex;gap:12px;font-size:12px;color:var(--gray);margin-bottom:12px}
.blog-meta span{display:inline-flex;align-items:center;gap:4px}
.blog-card h3{font-size:17px;margin-bottom:10px;line-height:1.4}
.blog-card p{font-size:13px;color:var(--gray);line-height:1.6;margin-bottom:16px}
.blog-tag{display:inline-block;padding:3px 10px;background:rgba(45,127,249,.1);border-radius:4px;font-size:11px;color:var(--cyan)}

.blog-featured{
  grid-column:1/-1;display:grid;grid-template-columns:1.2fr 1fr;gap:0;
  border-radius:20px;overflow:hidden;
}
.blog-featured .blog-thumb{height:100%;min-height:280px}
.blog-featured .blog-body{padding:40px;display:flex;flex-direction:column;justify-content:center}
.blog-featured h3{font-size:24px;margin-bottom:16px}

/* ===== SIDEBAR ===== */
.blog-layout{display:grid;grid-template-columns:1fr 300px;gap:48px}
.sidebar-widget{margin-bottom:36px}
.sidebar-widget h5{font-size:15px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.06)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{display:inline-block;padding:6px 14px;background:rgba(45,127,249,.08);border-radius:6px;font-size:12px;color:var(--gray)}
.tag-cloud a:hover{background:var(--grad);color:#fff}
.popular-list li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.04)}
.popular-list li a{font-size:13px;color:var(--light)}
.popular-list li a:hover{color:var(--cyan)}
.popular-list .pop-meta{font-size:11px;color:var(--gray);margin-top:4px}

/* ===== ARTICLE ===== */
.article{max-width:760px;margin:0 auto;padding:40px 0}
.article-header{text-align:center;margin-bottom:48px}
.article-meta{display:flex;justify-content:center;gap:16px;font-size:13px;color:var(--gray);margin-bottom:16px}
.article h1{margin-bottom:16px}
.article-body{font-size:16px;line-height:1.9;color:var(--light)}
.article-body h2{margin:48px 0 20px;font-size:26px}
.article-body h3{margin:32px 0 16px;font-size:20px}
.article-body p{margin-bottom:20px;color:#cbd5e1}
.article-body ul{margin:16px 0 24px 20px;list-style:disc}
.article-body ul li{margin-bottom:10px;color:#cbd5e1}
.article-body strong{color:#fff;font-weight:700}
.article-body blockquote{
  border-left:4px solid var(--splash);padding:16px 24px;
  background:rgba(45,127,249,.05);border-radius:0 8px 8px 0;
  margin:24px 0;font-style:italic;color:var(--gray);
}
.article-body .highlight-box{
  background:linear-gradient(135deg,rgba(45,127,249,.08),rgba(0,194,209,.05));
  border:1px solid rgba(45,127,249,.15);border-radius:12px;
  padding:24px;margin:24px 0;
}

/* ===== CONTACT ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:48px}
.contact-info{display:flex;flex-direction:column;gap:24px}
.contact-item{
  display:flex;gap:20px;align-items:flex-start;
  padding:24px;background:rgba(15,40,71,.5);border-radius:16px;
  border:1px solid rgba(255,255,255,.06);
}
.contact-icon{
  width:52px;height:52px;border-radius:12px;flex-shrink:0;
  background:rgba(45,127,249,.1);display:flex;align-items:center;justify-content:center;
  font-size:22px;
}
.contact-item h4{margin-bottom:4px;font-size:16px}
.contact-item p{font-size:14px;color:var(--gray)}
.contact-item a{color:var(--cyan);font-size:14px}

.contact-form{background:rgba(15,40,71,.5);border:1px solid rgba(255,255,255,.06);border-radius:20px;padding:40px}
.form-group{margin-bottom:24px}
.form-group label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:#fff}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:14px 18px;border-radius:10px;
  background:rgba(10,22,40,.6);border:1px solid rgba(45,127,249,.15);
  color:#fff;font-size:14px;font-family:inherit;outline:none;transition:var(--transition);
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--splash);box-shadow:0 0 0 3px rgba(45,127,249,.1)}
.form-group textarea{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}

/* ===== MAP ===== */
.map-placeholder{
  height:400px;border-radius:20px;margin-top:48px;
  background:linear-gradient(135deg,rgba(45,127,249,.08),rgba(0,194,209,.05));
  border:2px dashed rgba(45,127,249,.2);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-size:15px;color:var(--gray);gap:12px;
}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:48px auto 0}
.faq-item{
  background:rgba(15,40,71,.5);border:1px solid rgba(255,255,255,.06);
  border-radius:12px;margin-bottom:16px;overflow:hidden;
}
.faq-q{
  padding:20px 24px;font-size:16px;font-weight:600;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
}
.faq-q .toggle{font-size:20px;color:var(--cyan);transition:var(--transition)}
.faq-item.open .toggle{transform:rotate(45deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .35s;font-size:14px;color:var(--gray);line-height:1.8}
.faq-item.open .faq-a{padding:0 24px 20px;max-height:500px}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .blog-layout{grid-template-columns:1fr}
  .sidebar{order:2}
  .pricing-grid{grid-template-columns:1fr;max-width:500px;margin-left:auto;margin-right:auto}
}
@media(max-width:768px){
  .nav{padding:0 20px;height:60px}
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .hero{padding:100px 20px 60px}
  .hero h1{font-size:34px}
  .hero-sub{font-size:16px}
  .data-bar{grid-template-columns:repeat(2,1fr);gap:16px;padding:0 20px}
  .data-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.06)}
  .section{padding:60px 20px}
  .section-title{font-size:26px}
  .services{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .process{grid-template-columns:repeat(2,1fr)}
  .process::before{display:none}
  .team-grid{grid-template-columns:1fr}
  .team-card{flex-direction:column;text-align:center}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .form-row{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:12px;text-align:center}
  .blog-grid{grid-template-columns:1fr}
  .blog-featured{grid-template-columns:1fr}
  .float-cta{display:block}
  .page-header{padding:100px 20px 40px}
}

/* ===== FOOTER LOGO STYLES ===== */
.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo {
  margin-bottom: 20px;
  filter: drop-shadow(0 4px 12px rgba(45, 127, 249, 0.3));
}

/* ===== HERO BACKGROUND IMAGE ===== */
.hero {
  position: relative;
}

.hero-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4; /* 调整透明度，避免影响文字可读性 */
}

.hero-inner {
  position: relative;
  z-index: 1;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .footer-logo {
    width: 150px;
    height: 150px;
  }
  
  .hero-img {
    opacity: 0.3; /* 移动端降低透明度 */
  }
}