:root{--color-primary:#0a2f57;--color-primary-hover:#072240;--color-primary-light:#164e87;--color-primary-soft:#ebf3fa;--color-accent:#e0870b;--color-accent-hover:#c47304;--color-accent-light:#fff8eb;--color-secondary:#0077d8;--color-secondary-hover:#0060b0;--color-eco:#10b981;--color-eco-soft:#ecfdf5;--bg-page:#f8fafc;--bg-card:#fff;--bg-card-muted:#f1f5f9;--bg-dark:#0b1526;--bg-dark-surface:#132238;--text-main:#1e293b;--text-muted:#64748b;--text-light:#94a3b8;--text-inverse:#fff;--border-light:#e2e8f0;--border-subtle:#cbd5e1;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -2px #00000012;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a, 0 8px 10px -6px #00000014;--shadow-glow:0 0 25px #0077d840;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-normal:.25s cubic-bezier(.4, 0, .2, 1);--transition-smooth:.4s cubic-bezier(.16, 1, .3, 1);--container-max:1240px;--header-height:80px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{color:var(--text-main);background-color:var(--bg-page);scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}body{flex-direction:column;min-height:100vh;line-height:1.6;display:flex;overflow-x:hidden}a{color:inherit;transition:color var(--transition-fast);text-decoration:none}img{max-width:100%;height:auto;display:block}button,input,textarea,select{font:inherit;border:none;outline:none}.container{width:100%;max-width:var(--container-max);margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}.section{padding-top:80px;padding-bottom:80px}@media (max-width:768px){.section{padding-top:48px;padding-bottom:48px}}.section-header{text-align:center;max-width:760px;margin:0 auto 50px}.section-badge{background:var(--color-primary-soft);color:var(--color-secondary);letter-spacing:1px;text-transform:uppercase;border-radius:var(--radius-full);align-items:center;gap:6px;margin-bottom:14px;padding:6px 14px;font-size:.85rem;font-weight:600;display:inline-flex}.section-title{color:var(--color-primary);letter-spacing:-.5px;margin-bottom:16px;font-size:clamp(1.8rem,3.5vw,2.5rem);font-weight:800;line-height:1.25}.section-subtitle{color:var(--text-muted);font-size:1.05rem;line-height:1.7}.btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);text-align:center;justify-content:center;align-items:center;gap:8px;padding:12px 26px;font-size:.95rem;font-weight:600;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--color-secondary), var(--color-primary));color:#fff;box-shadow:0 4px 14px #0077d859}.btn-primary:hover{background:linear-gradient(135deg, var(--color-secondary-hover), var(--color-primary-hover));transform:translateY(-2px);box-shadow:0 6px 20px #0077d873}.btn-accent{background:linear-gradient(135deg, var(--color-accent), #f59e0b);color:#fff;box-shadow:0 4px 14px #e0870b59}.btn-accent:hover{background:linear-gradient(135deg, var(--color-accent-hover), #d97706);transform:translateY(-2px);box-shadow:0 6px 20px #e0870b73}.btn-outline{color:var(--color-primary);border:1.5px solid var(--border-subtle);background:0 0}.btn-outline:hover{border-color:var(--color-secondary);color:var(--color-secondary);background:var(--color-primary-soft)}.btn-white{color:var(--color-primary);box-shadow:var(--shadow-md);background:#fff}.btn-white:hover{box-shadow:var(--shadow-lg);background:#f8fafc;transform:translateY(-2px)}.card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);transition:all var(--transition-normal);overflow:hidden}.card:hover{box-shadow:var(--shadow-xl);border-color:#0077d84d;transform:translateY(-5px)}.top-bar{background:var(--bg-dark);color:var(--text-light);border-bottom:1px solid #ffffff14;font-size:.85rem}.top-bar-inner{justify-content:space-between;align-items:center;height:38px;display:flex}.top-bar-left,.top-bar-right{align-items:center;gap:20px;display:flex}.top-bar-item{align-items:center;gap:6px;display:inline-flex}.top-bar-item a:hover{color:var(--color-accent)}.site-header{z-index:100;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-light);transition:box-shadow var(--transition-normal);background:#fffffff0;position:sticky;top:0}.site-header.scrolled{box-shadow:var(--shadow-md)}.navbar{height:var(--header-height);justify-content:space-between;align-items:center;display:flex}.brand-logo{align-items:center;gap:12px;display:flex}.brand-logo img{object-fit:contain;width:auto;height:48px}.brand-text{flex-direction:column;display:flex}@media (max-width:768px){.brand-text{display:none!important}}.brand-title{color:var(--color-primary);letter-spacing:-.3px;font-size:1.25rem;font-weight:800;line-height:1.15}.brand-subtitle{color:var(--text-muted);letter-spacing:.5px;font-size:.72rem}.nav-menu{align-items:center;gap:8px;list-style:none;display:flex}.nav-link{color:var(--text-main);border-radius:var(--radius-md);transition:all var(--transition-fast);padding:10px 16px;font-size:.98rem;font-weight:600;display:inline-block;position:relative}.nav-link:hover,.nav-link.active{color:var(--color-secondary);background:var(--color-primary-soft)}.nav-link.active:after{content:"";background:var(--color-secondary);border-radius:var(--radius-full);height:2.5px;position:absolute;bottom:2px;left:16px;right:16px}.header-action{align-items:center;gap:12px;display:flex}.hotline-btn{background:var(--color-accent-light);border-radius:var(--radius-full);color:var(--color-accent-hover);transition:all var(--transition-fast);border:1px solid #e0870b4d;align-items:center;gap:8px;padding:8px 16px;font-size:.92rem;font-weight:700;display:flex}.hotline-btn:hover{background:var(--color-accent);color:#fff}.mobile-menu-toggle{color:var(--color-primary);cursor:pointer;background:0 0;padding:8px;display:none}@media (max-width:992px){.nav-menu{display:none}.mobile-menu-toggle{display:block}}.mobile-drawer{z-index:200;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity var(--transition-normal);background:#0009;justify-content:flex-end;display:flex;position:fixed;inset:0}.mobile-drawer.open{opacity:1;pointer-events:auto}.mobile-drawer-content{width:80%;max-width:320px;height:100%;transition:transform var(--transition-smooth);background:#fff;flex-direction:column;padding:24px;display:flex;transform:translate(100%)}.mobile-drawer.open .mobile-drawer-content{transform:translate(0)}.mobile-drawer-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:12px;display:flex}.mobile-nav-list{flex-direction:column;gap:8px;list-style:none;display:flex}.mobile-nav-link{border-radius:var(--radius-md);padding:12px 16px;font-size:1.05rem;font-weight:600;display:block}.mobile-nav-link.active,.mobile-nav-link:hover{background:var(--color-primary-soft);color:var(--color-secondary)}.page-banner{background:linear-gradient(135deg, var(--color-primary), var(--bg-dark));color:#fff;padding:70px 0;position:relative;overflow:hidden}.page-banner-bg{opacity:.18;background-position:50%;background-size:cover;position:absolute;inset:0}.page-banner-content{z-index:2;max-width:800px;position:relative}.page-banner-title{margin-bottom:12px;font-size:clamp(2rem,4vw,2.8rem);font-weight:800;line-height:1.2}.page-banner-desc{color:#ffffffd9;margin-bottom:20px;font-size:1.1rem}.breadcrumbs{color:#ffffffb3;align-items:center;gap:8px;font-size:.9rem;display:flex}.breadcrumbs a:hover{color:#fff}.floating-widget{z-index:99;flex-direction:column;gap:10px;display:flex;position:fixed;bottom:40px;right:24px}.float-item{border-radius:var(--radius-full);width:48px;height:48px;color:var(--color-primary);box-shadow:var(--shadow-lg);border:1px solid var(--border-light);cursor:pointer;transition:all var(--transition-fast);background:#fff;justify-content:center;align-items:center;display:flex;position:relative}.float-item:hover{background:var(--color-secondary);color:#fff;transform:scale(1.08)}.float-item.phone{color:#fff;background:linear-gradient(135deg,#10b981,#059669)}.float-item.phone:hover{transform:scale(1.1);box-shadow:0 0 18px #10b98180}.float-tooltip{background:var(--bg-dark);color:#fff;border-radius:var(--radius-md);white-space:nowrap;opacity:0;pointer-events:none;transition:opacity var(--transition-fast);box-shadow:var(--shadow-lg);padding:8px 14px;font-size:.85rem;position:absolute;top:50%;right:58px;transform:translateY(-50%)}.float-item:hover .float-tooltip{opacity:1}.site-footer{background:var(--bg-dark);color:var(--text-light);border-top:3px solid var(--color-secondary);margin-top:auto;padding-top:70px;padding-bottom:30px}.footer-grid{grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;margin-bottom:50px;display:grid}@media (max-width:992px){.footer-grid{grid-template-columns:1fr 1fr}}@media (max-width:600px){.footer-grid{grid-template-columns:1fr}}.footer-col-title{color:#fff;margin-bottom:20px;padding-bottom:10px;font-size:1.1rem;font-weight:700;position:relative}.footer-col-title:after{content:"";background:var(--color-accent);width:32px;height:2px;position:absolute;bottom:0;left:0}.footer-links{flex-direction:column;gap:10px;list-style:none;display:flex}.footer-links a{color:var(--text-light);transition:color var(--transition-fast);font-size:.92rem}.footer-links a:hover{color:#fff;padding-left:4px}.footer-contact-item{align-items:flex-start;gap:12px;margin-bottom:14px;font-size:.92rem;display:flex}.footer-bottom{color:var(--text-muted);border-top:1px solid #ffffff14;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:24px;font-size:.85rem;display:flex}.footer-bottom a:hover{color:#fff}