:root{--primary:#d63c3c;--primary-dark:#a82a2a;--primary-light:#fbeaea;--accent:#f0a23c;--text:#22252a;--text-light:#6b7078;--bg:#ffffff;--bg-alt:#f7f8fa;--border:#e6e8eb;--shadow:0 4px 18px rgba(25,30,40,.08);--radius:12px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img,svg{vertical-align:middle;max-width:100%}
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:780px;margin:0 auto 48px}
.section-title{font-size:32px;color:var(--text);margin-bottom:14px}
.section-subtitle{color:var(--text-light);font-size:16px}
.grid{display:grid;gap:24px}
.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;gap:16px;align-items:center}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px}
.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 10px 28px rgba(25,30,40,.12)}
.card-icon{width:48px;height:48px;border-radius:10px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:16px}
.card-title{font-size:18px;margin-bottom:10px;color:var(--text)}
.card-text{color:var(--text-light);font-size:15px}
.card-body{margin-top:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .25s,color .25s,border-color .25s,transform .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-sm{padding:8px 16px;font-size:13px}
.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 4px 16px rgba(25,30,40,.1)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--primary);letter-spacing:.5px}
.nav-logo span{color:var(--text)}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-link{font-size:15px;color:var(--text);font-weight:500;position:relative;padding:6px 0}
.nav-link:hover{color:var(--primary)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:8px;background:#fff;cursor:pointer;font-size:20px;color:var(--text);line-height:1}
.nav-cta{display:flex;align-items:center;gap:12px}
.hero{padding:140px 0 80px;background:linear-gradient(160deg,#fff 0%,var(--primary-light) 100%)}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center}
.hero-title{font-size:46px;color:var(--text);margin-bottom:18px;letter-spacing:1px}
.hero-title strong{color:var(--primary)}
.hero-subtitle{max-width:720px;margin:0 auto 32px;color:var(--text-light);font-size:18px}
.hero-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:52px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:900px;margin:0 auto}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 12px;box-shadow:var(--shadow)}
.hero-stat-num{display:block;font-size:26px;font-weight:800;color:var(--primary)}
.hero-stat-label{display:block;font-size:13px;color:var(--text-light);margin-top:4px}
.timeline{position:relative;padding-left:26px}
.timeline-item{position:relative;padding-bottom:28px}
.timeline-dot{position:absolute;left:-26px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--primary)}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600}
.timeline-title{font-size:17px;margin:6px 0 8px}
.timeline-text{color:var(--text-light);font-size:14px}
.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)}
.news-title{font-size:18px;margin-bottom:8px}
.news-meta{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--text-light);margin-bottom:10px}
.news-date{color:var(--text-light)}
.news-category{background:var(--primary-light);color:var(--primary);padding:2px 10px;border-radius:999px;font-size:12px}
.news-summary{color:var(--text-light);font-size:15px}
.news-body{color:var(--text-light);font-size:15px;margin-top:10px}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tag{background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);padding:3px 10px;border-radius:999px;font-size:12px}
.faq-list{display:grid;gap:16px;max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow)}
.faq-question{font-size:16px;font-weight:700;color:var(--text)}
.faq-answer{color:var(--text-light);font-size:15px;margin-top:10px}
.form-group{margin-bottom:20px}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text)}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-size:15px;font-family:inherit;background:#fff;color:var(--text)}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary)}
.form-textarea{min-height:120px;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 12px;background:#fff;border:1px solid var(--border);border-radius:var(--radius)}
.stat-number{display:block;font-size:28px;font-weight:800;color:var(--primary)}
.stat-label{display:block;font-size:14px;color:var(--text-light);margin-top:4px}
.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(--accent));border-radius:999px}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius)}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;gap:8px}
.bar-fill{width:100%;max-width:44px;background:linear-gradient(180deg,var(--primary),var(--accent));border-radius:8px 8px 0 0}
.bar-label{font-size:12px;color:var(--text-light)}
.badge{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:12px;padding:3px 10px;border-radius:999px;font-weight:600}
.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)}
.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:14px}
.step-list{display:grid;gap:20px}
.step-item{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.step-number{flex:0 0 40px;width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.footer{background:#1f2329;color:#c9cdd4;padding:60px 0 0}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px}
.footer-col{font-size:14px}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px}
.footer-link{display:block;color:#c9cdd4;margin-bottom:10px;font-size:14px}
.footer-link:hover{color:var(--accent)}
.footer-info{font-size:14px;line-height:1.9;color:#c9cdd4}
.footer-bottom{max-width:1200px;margin:40px auto 0;padding:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#9aa0a8;text-align:center}
.footer-bottom a{color:#9aa0a8}
.footer-bottom a:hover{color:var(--accent)}
@media(min-width:1200px){.hero-title{font-size:48px}}
@media(max-width:992px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.hero-title{font-size:38px}.hero-stats{grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.nav-list{position:fixed;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;border-bottom:1px solid var(--border);box-shadow:var(--shadow);display:none}
.nav-list.open{display:flex}
.nav-link{display:block;padding:12px 0;border-bottom:1px solid var(--border)}
.nav-toggle{display:block}
.nav-cta .btn{display:none}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
.hero{padding:120px 0 60px}
.hero-title{font-size:30px}
.hero-subtitle{font-size:16px}
.section{padding:56px 0}
.section-title{font-size:26px}
.footer-inner{grid-template-columns:1fr}
.bar-chart{height:180px;gap:10px}}
@media(max-width:480px){.hero-title{font-size:25px}.hero-stats{grid-template-columns:1fr 1fr;gap:12px}.hero-stat-num{font-size:22px}.btn{width:100%}.hero-actions .btn{width:100%}.card{padding:22px}.section{padding:44px 0}}