:root{--primary:#0f766e;--primary-dark:#0b5750;--primary-light:#e6f4f2;--accent:#f59e0b;--text:#1f2933;--text-light:#5b6770;--bg:#ffffff;--bg-alt:#f5f8f8;--border:#dfe6e6;--shadow:0 6px 24px rgba(15,118,110,.08);--radius:14px;}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.75;font-size:16px;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
img,svg{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.3;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(1.5rem,2.6vw,2.1rem);margin-bottom:14px;}
.section-subtitle{color:var(--text-light);font-size:1rem;}
.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;align-items:center;}
.flex-between{display:flex;align-items:center;justify-content:space-between;}
.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 12px 30px rgba(15,118,110,.14);}
.card-icon{width:52px;height:52px;border-radius:12px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:700;margin-bottom:18px;}
.card-title{font-size:1.125rem;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:.95rem;}
.card-body{margin-top:12px;}
.btn{display:inline-block;padding:13px 28px;border-radius:999px;font-weight:600;font-size:.95rem;cursor:pointer;border:2px solid transparent;transition:background .25s,color .25s,border-color .25s,transform .25s;text-align:center;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-sm{padding:8px 18px;font-size:.85rem;}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;}
.nav.scrolled{box-shadow:0 4px 18px rgba(0,0,0,.08);border-color:var(--border);}
.nav-inner{max-width:1200px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;}
.nav-logo{font-size:1.2rem;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:8px;}
.nav-logo span{font-size:.72rem;font-weight:500;color:var(--text-light);background:var(--primary-light);padding:3px 8px;border-radius:999px;}
.nav-list{display:flex;gap:28px;}
.nav-link{font-size:.95rem;color:var(--text);font-weight:500;position:relative;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;color:var(--primary);cursor:pointer;}
.nav-cta{padding:10px 22px;background:var(--primary);color:#fff;border-radius:999px;font-size:.9rem;font-weight:600;}
.nav-cta:hover{background:var(--primary-dark);}
.hero{padding:150px 0 90px;background:linear-gradient(160deg,var(--primary-light) 0%,#ffffff 60%);}
.hero-inner{max-width:860px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:clamp(1.8rem,4vw,2.9rem);margin-bottom:20px;letter-spacing:-.5px;}
.hero-subtitle{color:var(--text-light);font-size:clamp(1rem,1.6vw,1.15rem);margin-bottom:34px;}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:760px;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{font-size:1.5rem;font-weight:800;color:var(--primary);}
.hero-stat-label{font-size:.82rem;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-dot{position:absolute;left:-37px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary-light);}
.timeline-content{}
.timeline-date{font-size:.82rem;color:var(--primary);font-weight:600;}
.timeline-title{font-size:1.05rem;margin:6px 0;}
.timeline-text{color:var(--text-light);font-size:.92rem;}
.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;}
.news-item:hover{transform:translateY(-3px);}
.news-title{font-size:1.08rem;margin-bottom:8px;}
.news-meta{display:flex;gap:12px;align-items:center;font-size:.82rem;color:var(--text-light);margin-bottom:10px;}
.news-date{}
.news-category{background:var(--primary-light);color:var(--primary);padding:2px 10px;border-radius:999px;font-weight:600;}
.news-summary{color:var(--text-light);font-size:.93rem;}
.news-body{margin-top:12px;color:var(--text-light);font-size:.93rem;}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{font-size:.76rem;background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);padding:3px 10px;border-radius:999px;}
.faq-list{display:grid;gap:16px;max-width:880px;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-weight:700;font-size:1.02rem;color:var(--text);margin-bottom:10px;}
.faq-answer{color:var(--text-light);font-size:.94rem;}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:.9rem;font-weight:600;margin-bottom:8px;}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font-size:.95rem;font-family:inherit;color:var(--text);background:#fff;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{margin-top:8px;}
.form-tip{font-size:.82rem;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:16px;}
.stat-number{font-size:2rem;font-weight:800;color:var(--primary);}
.stat-label{font-size:.88rem;color:var(--text-light);margin-top:6px;}
.progress{height:10px;background:var(--primary-light);border-radius:999px;overflow:hidden;margin:12px 0;}
.progress-fill{height:100%;background:var(--primary);border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:20px 0;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;}
.bar-fill{width:100%;background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:8px 8px 0 0;min-height:8px;}
.bar-label{font-size:.78rem;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;font-size:.75rem;font-weight:600;background:var(--accent);color:#fff;padding:3px 10px;border-radius:999px;}
.customer-card,.case-card,.honor-card,.benefit-card,.region-card,.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .3s;}
.customer-card:hover,.case-card:hover,.honor-card:hover,.benefit-card:hover,.region-card:hover,.support-card:hover{transform:translateY(-4px);}
.partner-logo{background:var(--bg-alt);border:1px dashed var(--border);border-radius:10px;padding:22px;text-align:center;color:var(--text-light);font-size:.85rem;}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.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:#0b2b28;color:#cddbda;padding:60px 0 0;}
.footer-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.footer-col{}
.footer-title{color:#fff;font-size:1rem;margin-bottom:16px;}
.footer-link{display:block;color:#a9c2c0;font-size:.9rem;margin-bottom:10px;}
.footer-link:hover{color:#fff;}
.footer-info{color:#a9c2c0;font-size:.9rem;line-height:2;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:22px 0;text-align:center;font-size:.82rem;color:#8fa8a6;}
@media (min-width:1200px){.container{max-width:1200px;}}
@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);}.footer-inner{grid-template-columns:repeat(2,1fr);}}
@media (max-width:768px){.nav-list{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:10px 0;border-bottom:1px solid var(--border);display:none;box-shadow:0 10px 24px rgba(0,0,0,.08);}.nav-list.open{display:flex;}.nav-list .nav-link{padding:12px 22px;display:block;}.nav-toggle{display:block;}.nav-cta{display:none;}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}.hero{padding:120px 0 70px;}.section{padding:60px 0;}.step-item{flex-direction:row;}}
@media (max-width:480px){.hero-actions{flex-direction:column;}.btn{width:100%;}.hero-stats{grid-template-columns:1fr;}.form-input,.form-select,.form-textarea{font-size:16px;}}