:root{
--primary:#1f4e79;
--primary-dark:#143a5c;
--primary-light:#4a86b8;
--accent:#d98b2b;
--text:#22272e;
--text-light:#5c6773;
--bg:#ffffff;
--bg-alt:#f2f5f8;
--border:#dde3ea;
--shadow:0 2px 10px rgba(20,58,92,.08);
--radius:10px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,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;}
h1,h2,h3,h4{line-height:1.35;font-weight:700;}
.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:32px;color:var(--primary-dark);letter-spacing:.5px;}
.section-subtitle{margin-top:14px;color:var(--text-light);font-size:16px;}
.grid{display:grid;gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flex{display:flex;align-items:center;gap:16px;}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;border:1px solid transparent;}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(20,58,92,.14);border-color:var(--border);}
.card-icon{width:48px;height:48px;border-radius:10px;background:var(--bg-alt);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin-bottom:16px;}
.card-title{font-size:18px;color:var(--primary-dark);margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:12px;}
.btn{display:inline-block;padding:13px 30px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .25s;text-align:center;}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary-light);}
.btn-outline:hover{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-sm{padding:8px 18px;font-size:13.5px;border-radius:6px;}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);transition:box-shadow .3s;}
.nav.scrolled{box-shadow:0 2px 14px rgba(20,58,92,.12);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:68px;display:flex;align-items:center;justify-content:space-between;}
.nav-logo{font-size:20px;font-weight:800;color:var(--primary-dark);letter-spacing:1px;white-space:nowrap;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-link{font-size:15px;color:var(--text);padding:6px 0;position:relative;transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:6px;width:40px;height:36px;cursor:pointer;color:var(--primary-dark);font-size:18px;line-height:1;}
.nav-cta{display:inline-block;}
.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#16374f 0%,#1f4e79 55%,#2c6a9e 100%);color:#fff;overflow:hidden;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:46px;line-height:1.25;letter-spacing:1px;margin-bottom:22px;}
.hero-title em{font-style:normal;color:#f0b45c;}
.hero-subtitle{font-size:17.5px;color:#d5e3ef;max-width:760px;margin:0 auto 34px;}
.hero-actions{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-bottom:56px;}
.hero-actions .btn-primary{background:var(--accent);border-color:var(--accent);}
.hero-actions .btn-primary:hover{background:#c07820;border-color:#c07820;}
.hero-actions .btn-outline{color:#fff;border-color:rgba(255,255,255,.6);}
.hero-actions .btn-outline:hover{background:#fff;color:var(--primary-dark);border-color:#fff;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:900px;margin:0 auto;}
.hero-stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:20px 12px;}
.hero-stat-num{font-size:26px;font-weight:800;color:#f0b45c;display:block;}
.hero-stat-label{font-size:13.5px;color:#cddde9;margin-top:6px;display:block;}
.timeline{position:relative;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-dot{position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--accent);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary-light);}
.timeline-content{padding-left:6px;}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700;}
.timeline-title{font-size:17px;color:var(--primary-dark);margin:4px 0 8px;}
.timeline-text{color:var(--text-light);font-size:14.5px;}
.news-list{display:flex;flex-direction:column;gap:22px;}
.news-item{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border-left:4px solid var(--primary-light);}
.news-title{font-size:18px;color:var(--primary-dark);margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);margin-bottom:10px;}
.news-date{color:var(--text-light);}
.news-category{background:var(--bg-alt);color:var(--primary);padding:2px 10px;border-radius:20px;font-size:12.5px;font-weight:600;}
.news-summary{color:var(--text-light);font-size:14.5px;}
.news-body{margin-top:12px;color:var(--text-light);font-size:14.5px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{display:inline-block;font-size:12.5px;color:var(--primary);background:var(--bg-alt);border:1px solid var(--border);border-radius:20px;padding:3px 12px;}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:16px;}
.faq-item{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 26px;border:1px solid var(--border);}
.faq-question{font-size:16.5px;font-weight:700;color:var(--primary-dark);position:relative;padding-left:26px;cursor:pointer;}
.faq-question::before{content:"Q";position:absolute;left:0;top:0;color:var(--accent);font-weight:800;}
.faq-answer{margin-top:10px;color:var(--text-light);font-size:14.5px;padding-left:26px;}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:14.5px;font-weight:600;color:var(--primary-dark);margin-bottom:8px;}
.form-input,.form-select,.form-textarea{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:8px;font-size:15px;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-light);box-shadow:0 0 0 3px rgba(74,134,184,.15);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{width:100%;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:20px 10px;}
.stat-number{font-size:32px;font-weight:800;color:var(--primary);display:block;}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;display:block;}
.progress{height:10px;background:var(--bg-alt);border-radius:20px;overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary-light),var(--primary));border-radius:20px;}
.bar-chart{display:flex;align-items:flex-end;gap:20px;height:200px;padding:20px 0;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:100%;max-width:52px;background:linear-gradient(180deg,var(--primary-light),var(--primary));border-radius:6px 6px 0 0;transition:opacity .3s;}
.bar-fill:hover{opacity:.82;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;font-size:12.5px;font-weight:700;color:#fff;background:var(--accent);border-radius:6px;padding:3px 10px;}
.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.region-card,.support-card{background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid var(--border);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 10px 24px rgba(20,58,92,.14);}
.partner-logo{height:70px;display:flex;align-items:center;justify-content:center;background:var(--bg-alt);border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;}
.step-list{display:flex;flex-direction:column;gap:18px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{flex:none;width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:16px;}
.footer{background:#132e44;color:#c3d3e0;padding:60px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px 44px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col{}
.footer-title{font-size:16px;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;color:#a9bfd0;font-size:14px;padding:5px 0;transition:color .2s;}
.footer-link:hover{color:var(--accent);}
.footer-info{font-size:14px;line-height:2;color:#a9bfd0;}
.footer-info a{color:#c3d3e0;}
.footer-info a:hover{color:var(--accent);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px;text-align:center;font-size:13px;color:#8ba3b6;}
@media (max-width:1200px){
.hero-title{font-size:40px;}
}
@media (max-width:992px){
.section{padding:64px 0;}
.grid-4{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(2,1fr);}
.hero-stats{grid-template-columns:repeat(2,1fr);}
.footer-inner{grid-template-columns:repeat(2,1fr);}
.hero-title{font-size:34px;}
}
@media (max-width:768px){
.nav-toggle{display:block;}
.nav-list{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 20px;border-bottom:1px solid var(--border);box-shadow:0 8px 18px rgba(20,58,92,.12);}
.nav-list.open{display:flex;}
.nav-link{padding:12px 0;border-bottom:1px solid var(--bg-alt);}
.nav-link:hover::after{display:none;}
.nav-cta{display:none;}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
.hero{padding:120px 0 70px;}
.hero-title{font-size:28px;}
.hero-subtitle{font-size:15.5px;}
.section-title{font-size:25px;}
.footer-inner{grid-template-columns:1fr;}
}
@media (max-width:480px){
.section{padding:52px 0;}
.hero-stats{grid-template-columns:1fr 1fr;gap:12px;}
.hero-stat-num{font-size:22px;}
.card{padding:22px;}
.hero-actions{flex-direction:column;align-items:stretch;}
.hero-title{font-size:24px;}
}