:root{
  --primary:#f5a623;
  --primary-dark:#d98a0f;
  --primary-light:#ffd27f;
  --accent:#2b6cb0;
  --text:#232a35;
  --text-light:#6a7381;
  --bg:#ffffff;
  --bg-alt:#fff8ec;
  --border:#ecdfc8;
  --shadow:0 6px 24px rgba(35,42,53,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-header{text-align:center;max-width:760px;margin:0 auto 48px;}
.section-title{font-size:2rem;font-weight:800;letter-spacing:.5px;margin-bottom:14px;}
.section-title::after{content:"";display:block;width:56px;height:4px;border-radius:2px;background:var(--primary);margin:16px auto 0;}
.section-subtitle{color:var(--text-light);font-size:1rem;}
.grid{display:grid;gap:26px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.flex{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}

/* 卡片 */
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(35,42,53,.13);}
.card-icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--bg-alt);color:var(--primary-dark);font-size:1.5rem;font-weight:800;margin-bottom:16px;}
.card-title{font-size:1.15rem;font-weight:700;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:.95rem;}
.card-body{margin-top:14px;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:999px;font-size:1rem;font-weight:600;transition:all .25s ease;cursor:pointer;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(245,166,35,.35);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{border:2px solid var(--primary);color:var(--primary-dark);background:transparent;}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-sm{padding:8px 18px;font-size:.875rem;}

/* 导航 */
.nav{position:fixed;top:0;left:0;width:100%;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);transition:box-shadow .3s,background .3s;border-bottom:1px solid transparent;}
.nav.scrolled{box-shadow:0 4px 20px rgba(35,42,53,.1);border-bottom-color:var(--border);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:800;color:var(--text);}
.nav-logo::before{content:"☀";color:var(--primary);font-size:1.5rem;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{display:block;padding:9px 16px;border-radius:999px;font-size:.95rem;color:var(--text-light);font-weight:500;transition:all .2s;}
.nav-link:hover{color:var(--primary-dark);background:var(--bg-alt);}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;border-radius:10px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:999px;background:var(--primary);color:#fff;font-size:.95rem;font-weight:600;transition:background .25s;}
.nav-cta:hover{background:var(--primary-dark);}

/* Hero */
.hero{padding:150px 0 90px;background:linear-gradient(160deg,#fff8ec 0%,#ffffff 60%,#fff3dd 100%);position:relative;overflow:hidden;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:2.9rem;font-weight:900;line-height:1.3;letter-spacing:1px;margin-bottom:22px;}
.hero-title::before{content:"☀ ";color:var(--primary);}
.hero-subtitle{font-size:1.15rem;color:var(--text-light);max-width:720px;margin:0 auto 34px;}
.hero-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:920px;margin:0 auto;}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 14px;box-shadow:var(--shadow);}
.hero-stat-num{font-size:1.8rem;font-weight:800;color:var(--primary-dark);}
.hero-stat-label{font-size:.88rem;color:var(--text-light);margin-top:6px;}

/* 时间轴 */
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;margin-bottom:28px;}
.timeline-dot{position:absolute;left:-34px;top:6px;width:20px;height:20px;border-radius:50%;background:var(--primary);border:4px solid #fff;box-shadow:0 0 0 2px var(--primary-light);}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);}
.timeline-date{font-size:.85rem;color:var(--primary-dark);font-weight:700;}
.timeline-title{font-size:1.05rem;font-weight:700;margin:6px 0 8px;}
.timeline-text{color:var(--text-light);font-size:.92rem;}

/* 新闻 */
.news-list{display:flex;flex-direction:column;gap:22px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s;}
.news-item:hover{transform:translateY(-3px);}
.news-title{font-size:1.15rem;font-weight:700;margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:.85rem;color:var(--text-light);margin-bottom:12px;}
.news-date{color:var(--text-light);}
.news-category{background:var(--bg-alt);color:var(--primary-dark);padding:3px 12px;border-radius:999px;font-weight:600;}
.news-summary{color:var(--text-light);font-size:.94rem;}
.news-body{margin-top:14px;color:var(--text);font-size:.94rem;}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--bg-alt);color:var(--text-light);font-size:.8rem;}

/* FAQ */
.faq-list{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:16px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow);}
.faq-question{font-size:1.05rem;font-weight:700;margin-bottom:10px;color:var(--text);}
.faq-question::before{content:"Q ";color:var(--primary);font-weight:900;}
.faq-answer{color:var(--text-light);font-size:.94rem;}

/* 表单 */
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:.92rem;font-weight:600;margin-bottom:8px;}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:10px;font-size:.95rem;font-family:inherit;color:var(--text);background:#fff;transition:border-color .2s,box-shadow .2s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(245,166,35,.18);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{width:100%;padding:14px;border-radius:999px;background:var(--primary);color:#fff;font-size:1rem;font-weight:700;transition:background .25s;}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:.82rem;color:var(--text-light);margin-top:10px;text-align:center;}

/* 数据可视化 */
.stat-item{text-align:center;padding:24px 16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);}
.stat-number{font-size:2rem;font-weight:800;color:var(--primary-dark);}
.stat-label{font-size:.9rem;color:var(--text-light);margin-top:8px;}
.progress{height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:16px;height:220px;padding:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center; justify-content:flex-end;height:100%;}
.bar-fill{width:100%;max-width:44px;background:linear-gradient(180deg,var(--primary),var(--primary-light));border-radius:8px 8px 0 0;transition:height .4s;}
.bar-label{font-size:.82rem;color:var(--text-light);margin-top:10px;}

/* 其他组件 */
.badge{display:inline-block;padding:4px 14px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);font-size:.8rem;font-weight:700;}
.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.region-card,.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;}
.customer-card:hover,.case-card:hover,.honor-card:hover,.review-card:hover,.benefit-card:hover,.region-card:hover,.support-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(35,42,53,.13);}
.partner-logo{display:flex;align-items:center;justify-content:center;height:80px;background:#fff;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:.9rem;}
.step-list{display:flex;flex-direction:column;gap:18px;}
.step-item{display:flex;gap:16px;align-items:flex-start;}
.step-number{flex:none;width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;}

/* 页脚 */
.footer{background:#232a35;color:#c7cdd6;padding:64px 0 28px;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;margin-bottom:44px;}
.footer-col{display:flex;flex-direction:column;gap:12px;}
.footer-title{color:#fff;font-size:1.05rem;font-weight:700;margin-bottom:6px;}
.footer-link{color:#c7cdd6;font-size:.92rem;transition:color .2s;}
.footer-link:hover{color:var(--primary);}
.footer-info{font-size:.92rem;line-height:1.9;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;text-align:center;font-size:.85rem;color:#8b939f;}

/* 响应式 */
@media (max-width:1200px){
  .container{padding:0 24px;}
}
@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:2.3rem;}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .section-title{font-size:1.6rem;}
  .nav-list{display:none;position:absolute;top:72px;left:0;width:100%;flex-direction:column;background:#fff;padding:16px 20px;gap:6px;box-shadow:0 12px 24px rgba(35,42,53,.12);border-bottom:1px solid var(--border);}
  .nav-list.open{display:flex;}
  .nav-link{padding:12px 16px;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:1.9rem;}
  .hero-subtitle{font-size:1rem;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .grid-4{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-title{font-size:1.6rem;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn{width:100%;}
  .card{padding:22px;}
}