*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:#222;line-height:1.7;background:#fff}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 导航 */
.nav{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.nav-inner{max-width:1200px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px;color:#0d5bd7;white-space:nowrap}
.nav-links{display:flex;gap:22px;flex-wrap:nowrap;align-items:center;margin:0 auto}
.nav-links a{font-size:14px;color:#444;transition:color .2s;white-space:nowrap}
.nav-links a:hover{color:#0d5bd7}
.nav-btn{background:#0d5bd7;color:#fff;padding:8px 18px;border-radius:6px;font-size:14px;font-weight:500;white-space:nowrap}
.nav-btn:hover{background:#0b4bb5;color:#fff}

/* 汉堡按钮 */
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px;margin-left:12px}
.nav-toggle span{display:block;width:24px;height:2px;background:#333;transition:.3s}

/* Hero */
.hero{background:linear-gradient(135deg,#0d5bd7 0%,#0a3d9a 100%);color:#fff;padding:80px 0 60px;text-align:center}
.hero-inner{max-width:900px;margin:0 auto;padding:0 20px}
.hero-kicker{display:inline-block;background:rgba(255,255,255,.15);padding:6px 16px;border-radius:20px;font-size:13px;margin-bottom:20px}
.hero-kicker .dot{display:inline-block;width:8px;height:8px;background:#4ade80;border-radius:50%;margin-right:6px}
.hero h1{font-size:42px;margin-bottom:12px;letter-spacing:1px}
.hero .sub{font-size:20px;opacity:.9;margin-bottom:16px}
.hero .desc{font-size:15px;opacity:.8;max-width:700px;margin:0 auto 28px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.btn-primary{display:inline-block;background:#ff6b35;color:#fff;padding:12px 32px;border-radius:8px;font-weight:600;font-size:16px;transition:transform .2s,box-shadow .2s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,107,53,.4);color:#fff}
.btn-ghost{display:inline-block;background:transparent;color:#fff;padding:12px 32px;border-radius:8px;font-weight:500;font-size:16px;border:2px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.15);color:#fff}
.hero-stats{display:flex;justify-content:center;gap:48px;flex-wrap:wrap}
.hero-stats .num{font-size:28px;font-weight:700}
.hero-stats .lbl{font-size:13px;opacity:.8}

/* Section */
.section{padding:70px 0}
.section.bg{background:#f7f9fc}
.section-head{text-align:center;max-width:700px;margin:0 auto 40px}
.section-head .en{font-size:13px;letter-spacing:3px;color:#0d5bd7;font-weight:600;margin-bottom:8px}
.section-head h2{font-size:30px;margin-bottom:12px;color:#1a1a1a}
.section-head p{color:#666;font-size:15px}

/* About gallery */
.about-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:36px}
.about-gallery-item img{border-radius:10px;width:100%;height:180px;object-fit:cover}
.feat3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat3 .card{background:linear-gradient(135deg,#0d5bd7,#0a3d9a);color:#fff;padding:28px;border-radius:12px}
.feat3 .ic{width:48px;height:48px;background:rgba(255,255,255,.15);border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.feat3 h3{font-size:18px;margin-bottom:8px}
.feat3 p{font-size:14px;opacity:.85}

/* Ops bar */
.ops-section{background:#f7f9fc;padding:0}
.ops-bar{background:#fff;border-radius:12px;padding:28px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;box-shadow:0 2px 12px rgba(0,0,0,.05)}
.ops-title{font-weight:700;font-size:18px;color:#1a1a1a;white-space:nowrap}
.ops-items{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.ops-desc{margin-left:auto;color:#666;font-size:14px}

/* Why */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
.why{background:#fff;padding:28px;border-radius:12px;border:1px solid #eee;transition:transform .2s,box-shadow .2s}
.why:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(13,91,215,.1)}
.why .ic{margin-bottom:14px}
.why h3{font-size:17px;margin-bottom:8px;color:#1a1a1a}
.why p{font-size:14px;color:#666}

/* Testimonials */
.testimonials{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.testi-card{background:#fff;padding:24px;border-radius:12px;border:1px solid #eee}
.testi-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.testi-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;background:#e0e0e0}
.testi-name{font-weight:600}
.testi-role{font-size:13px;color:#999}
.testi-card p{font-size:14px;color:#555;line-height:1.8}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:32px}
.step{text-align:center;padding:24px}
.step .no{width:48px;height:48px;background:#0d5bd7;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin:0 auto 14px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:#666}
.adv-list{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:12px;max-width:800px;margin:0 auto}
.adv-list li{display:flex;align-items:center;gap:8px;font-size:14px;color:#444}

/* News */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{background:#fff;padding:24px;border-radius:12px;border:1px solid #eee;cursor:pointer;transition:box-shadow .2s}
.news-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.08)}
.news-card .date{font-size:13px;color:#999;margin-bottom:8px}
.news-card h3{font-size:17px;margin-bottom:10px;color:#1a1a1a}
.news-card .sum{font-size:14px;color:#666;margin-bottom:12px}
.news-more{color:#0d5bd7;font-size:14px;font-weight:500}
.news-body{display:none;margin-top:12px;padding-top:12px;border-top:1px solid #eee;font-size:14px;color:#555}
.news-card.open .news-body{display:block}
.app-box{margin-top:32px;background:linear-gradient(135deg,#0d5bd7,#0a3d9a);color:#fff;padding:24px;border-radius:12px;display:flex;align-items:center;gap:16px}
.app-ic{width:48px;height:48px;background:rgba(255,255,255,.15);border-radius:10px;display:flex;align-items:center;justify-content:center}

/* FAQ */
.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;max-width:1100px;margin:0 auto}
.faq-item{background:#fff;padding:20px;border-radius:10px;border:1px solid #eee}
.faq-q{font-weight:600;font-size:15px;margin-bottom:8px;color:#1a1a1a}
.faq-a{font-size:14px;color:#666}

/* CTA */
.cta-band{background:linear-gradient(135deg,#0d5bd7,#0a3d9a);color:#fff;text-align:center;padding:60px 20px}
.cta-band h2{font-size:28px;margin-bottom:10px}
.cta-band p{opacity:.9;margin-bottom:24px}

/* Partners */
.partners{padding:50px 0;background:#f7f9fc}
.partners-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center}
.partners-title{font-size:20px;margin-bottom:28px;color:#1a1a1a}
.partners-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;align-items:center}
.partner-item{background:#fff;border-radius:10px;padding:18px;display:flex;align-items:center;justify-content:center;height:80px}
.partner-item img{max-height:40px;max-width:100%;object-fit:contain;filter:grayscale(.2)}

/* Footer */
.footer{background:#1a1a2e;color:#aaa;padding:30px 20px;text-align:center;font-size:13px}
.flogo{font-size:16px;font-weight:700;color:#fff;margin-bottom:10px}

/* 平板 768px 以下 */
@media(max-width:768px){
.hero{padding:50px 0 40px}
.hero h1{font-size:28px}
.hero .sub{font-size:16px}
.hero .desc{font-size:14px}
.hero-cta{flex-direction:column;align-items:center}
.hero-cta .btn{width:100%;max-width:280px;text-align:center}
.hero-stats{gap:20px}
.hero-stats .num{font-size:22px}
.section{padding:40px 0}
.section-head h2{font-size:22px}
.section-head p{font-size:14px}
.nav-inner{flex-wrap:wrap;gap:10px;padding:10px 16px}
.nav-toggle{display:flex;margin-left:0}
.nav-links{display:none;order:3;width:100%;flex-direction:column;gap:12px;padding:12px 0;border-top:1px solid #eee}
.nav-links.open{display:flex}
.nav-links a{font-size:14px;padding:6px 0}
.nav-btn{padding:6px 14px;font-size:13px;margin-left:auto}
.about-gallery{grid-template-columns:repeat(2,1fr);gap:10px}
.about-gallery-item img{height:140px}
.feat3{grid-template-columns:1fr;gap:14px}
.feat3 .card{padding:20px}
.why-grid{grid-template-columns:repeat(2,1fr);gap:14px}
.why{padding:20px}
.testimonials{grid-template-columns:1fr;gap:14px}
.steps{grid-template-columns:repeat(2,1fr);gap:14px}
.adv-list{grid-template-columns:1fr;gap:8px}
.news-grid{grid-template-columns:1fr;gap:14px}
.faq{grid-template-columns:1fr;gap:12px}
.ops-bar{flex-direction:column;align-items:flex-start;padding:20px}
.ops-desc{margin-left:0}
.partners-grid{grid-template-columns:repeat(2,1fr);gap:14px}
.partner-item{height:60px;padding:12px}
.partner-item img{max-height:30px}
.app-box{flex-direction:column;text-align:center}
.cta-band{padding:40px 16px}
.cta-band h2{font-size:22px}
}

/* 手机 480px 以下 */
@media(max-width:480px){
.hero h1{font-size:24px}
.hero-stats{gap:14px}
.hero-stats .num{font-size:20px}
.hero-stats .lbl{font-size:12px}
.about-gallery-item img{height:110px}
.why-grid{grid-template-columns:1fr}
.steps{grid-template-columns:1fr}
.partners-grid{grid-template-columns:repeat(2,1fr)}
.testi-card{padding:18px}
.news-card{padding:18px}
.section{padding:32px 0}
.container{padding:0 16px}
}