:root{
--primary:#e8452c;
--primary-dark:#b32f1b;
--primary-light:#fdeae6;
--accent:#1d2b3a;
--text:#22262b;
--text-light:#666e78;
--bg:#ffffff;
--bg-alt:#f7f7f5;
--border:#e8e8e4;
--shadow:0 6px 20px rgba(24,28,34,.08);
--radius:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
color:var(--text);
background:var(--bg);
line-height:1.75;
font-size:16px;
}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
img,svg{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
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:clamp(22px,3vw,34px);color:var(--accent);letter-spacing:.5px;}
.section-subtitle{margin-top:14px;color:var(--text-light);font-size:15px;line-height:1.9;}
.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-wrap:wrap;}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;border:1px solid var(--border);height:100%;}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(24,28,34,.13);}
.card-icon{width:52px;height:52px;border-radius:12px;background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:18px;}
.card-title{font-size:18px;color:var(--accent);margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:14.5px;line-height:1.9;}
.card-body{margin-top:14px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;transition:all .28s;white-space:nowrap;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 22px rgba(232,69,44,.28);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{border:1.5px solid var(--primary);color:var(--primary-dark);background:transparent;}
.btn-outline:hover{background:var(--primary-light);}
.btn-sm{padding:8px 18px;font-size:13.5px;}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;}
.nav.scrolled{box-shadow:0 4px 18px rgba(24,28,34,.1);border-bottom-color:var(--border);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.nav-logo{font-size:20px;font-weight:800;color:var(--accent);letter-spacing:.5px;display:flex;align-items:center;gap:8px;}
.nav-logo span{color:var(--primary);}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:4px 0;transition:color .25s;}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .28s;}
.nav-link:hover{color:var(--primary-dark);}
.nav-link:hover::after{width:100%;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--accent);font-size:20px;align-items:center;justify-content:center;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{padding:150px 0 80px;background:linear-gradient(160deg,#fff 0%,#fff5f2 52%,#f7f7f5 100%);position:relative;overflow:hidden;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:clamp(26px,4.6vw,50px);color:var(--accent);letter-spacing:1px;line-height:1.35;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{max-width:760px;margin:22px auto 0;color:var(--text-light);font-size:clamp(14px,1.6vw,17px);line-height:2;}
.hero-actions{display:flex;justify-content:center;gap:16px;margin-top:34px;flex-wrap:wrap;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:60px;}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 16px;box-shadow:var(--shadow);}
.hero-stat-num{font-size:clamp(20px,2.6vw,30px);font-weight:800;color:var(--primary);}
.hero-stat-label{font-size:13.5px;color:var(--text-light);margin-top:8px;}
.timeline{position:relative;padding-left:32px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-dot{position:absolute;left:-32px;top:5px;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--primary);}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600;}
.timeline-title{font-size:16.5px;color:var(--accent);margin:6px 0 8px;}
.timeline-text{font-size:14px;color:var(--text-light);line-height:1.85;}
.news-list{display:grid;gap:20px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;}
.news-item:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(24,28,34,.12);}
.news-title{font-size:17.5px;color:var(--accent);margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--text-light);margin-bottom:10px;flex-wrap:wrap;}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary-dark);padding:2px 10px;border-radius:999px;font-weight:600;}
.news-summary{font-size:14.5px;color:var(--text-light);line-height:1.9;}
.news-body{margin-top:12px;font-size:14.5px;color:var(--text-light);line-height:1.9;}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{font-size:12.5px;color:var(--text-light);border:1px solid var(--border);border-radius:999px;padding:3px 12px;background:var(--bg-alt);}
.faq-list{display:grid;gap:16px;max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.faq-question{font-size:16px;color:var(--accent);font-weight:700;display:flex;gap:10px;align-items:flex-start;}
.faq-question::before{content:"Q";color:var(--primary);font-weight:800;flex:0 0 auto;}
.faq-answer{margin-top:12px;font-size:14.5px;color:var(--text-light);line-height:1.9;padding-left:26px;}
.form-group{margin-bottom:18px;}
.form-label{display:block;font-size:14px;color:var(--accent);font-weight:600;margin-bottom:8px;}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 15px;border:1px solid var(--border);border-radius:10px;font-size:14.5px;color:var(--text);background:#fff;transition:border-color .25s,box-shadow .25s;font-family:inherit;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(232,69,44,.12);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{background:var(--primary);color:#fff;padding:13px 34px;border-radius:999px;font-size:15px;font-weight:600;transition:all .28s;}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:12px;line-height:1.8;}
.stat-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow);}
.stat-number{font-size:clamp(22px,3vw,32px);font-weight:800;color:var(--primary);}
.stat-label{font-size:13.5px;color:var(--text-light);margin-top:8px;}
.progress{height:10px;border-radius:999px;background:var(--border);overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--primary-dark));}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;gap:10px;}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),var(--primary-dark));}
.bar-label{font-size:12.5px;color:var(--text-light);text-align:center;}
.badge{display:inline-block;font-size:12.5px;font-weight:600;color:var(--primary-dark);background:var(--primary-light);border-radius:999px;padding:4px 13px;}
.customer-card{background:#fff;border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.honor-card{background:#fff;border:1px dashed var(--border);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow);}
.partner-logo{height:72px;border-radius:12px;border:1px dashed var(--border);background:var(--bg-alt);display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:13.5px;letter-spacing:1px;}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.benefit-card{background:linear-gradient(160deg,#fff,#fff6f3);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.step-list{display:grid;gap:18px;counter-reset:step;}
.step-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.step-number{flex:0 0 auto;width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.support-card{background:#fff;border:1px solid var(--border);border-top:4px solid var(--primary);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.footer{background:var(--accent);color:#c8cdd4;padding:64px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col{font-size:14px;line-height:1.9;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;color:#c8cdd4;font-size:14px;margin-bottom:10px;transition:color .25s;}
.footer-link:hover{color:#fff;}
.footer-bottom{max-width:1200px;margin:44px auto 0;padding:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#9aa3ad;}
.footer-info{font-size:14px;line-height:2;color:#c8cdd4;}
@media (max-width:1200px){
.hero-stats{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:992px){
.grid-3{grid-template-columns:repeat(2,1fr);}
.footer-inner{grid-template-columns:repeat(2,1fr);gap:28px;}
}
@media (max-width:768px){
.nav-list{position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:10px 20px 20px;border-bottom:1px solid var(--border);box-shadow:0 12px 24px rgba(24,28,34,.1);display:none;}
.nav-list.open{display:flex;}
.nav-link{display:block;width:100%;padding:12px 0;border-bottom:1px solid var(--border);}
.nav-toggle{display:flex;}
.nav-cta .btn{display:none;}
.section{padding:56px 0;}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
.hero{padding:120px 0 60px;}
.bar-chart{height:180px;gap:10px;}
}
@media (max-width:480px){
.hero-stats{grid-template-columns:1fr;}
.container{padding:0 16px;}
.card{padding:22px;}
.footer-inner{grid-template-columns:1fr;}
.hero-actions .btn{width:100%;}
}