:root{--ink:#0b1c2c;--muted:#5a6b7c;--line:rgba(11,28,44,0.08);--cyan:#00a8b8;--cyan-deep:#007a86;--fog:#eef3f7;--surface:#f7fafc;--nav:rgba(247,250,252,0.86);--font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;--font-display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif}img{max-width:100%;height:auto}.btn{display:inline-flex;align-items:center;justify-content:center;padding:0.85rem 1.45rem;font-size:0.95rem;font-weight:500;border-radius:4px;transition:transform 0.25s ease,background 0.25s ease,color 0.25s ease,border-color 0.25s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--cyan);color:#042028}.btn-primary:hover{background:#2bc4d2}.btn-ghost{border:1px solid rgba(11,28,44,0.18);color:var(--ink);background:transparent}.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan-deep)}.btn-link{color:var(--cyan-deep);font-weight:500;border-bottom:1px solid transparent}.btn-link:hover{border-bottom-color:var(--cyan)}.breadcrumb{max-width:980px;margin:0 auto;padding:1rem 6% 0;font-size:0.85rem;color:var(--muted)}.breadcrumb a{color:var(--muted)}.breadcrumb a:hover{color:var(--ink)}.breadcrumb span{margin:0 0.4rem;opacity:0.5}.prose{max-width:980px;margin:0 auto;padding:3rem 6% 4rem;color:var(--muted);font-size:1.05rem;line-height:1.85}.prose h2{font-family:var(--font-display);color:var(--ink);font-size:1.35rem;margin:2.25rem 0 0.85rem;padding-left:0.85rem;border-left:3px solid var(--cyan)}.prose h3{color:var(--ink);font-size:1.1rem;margin:1.5rem 0 0.55rem}.prose p{margin-bottom:1rem}.prose ul,.prose ol{margin:0 0 1.15rem 1.25rem}.prose li{margin-bottom:0.45rem}.prose strong{color:var(--ink);font-weight:600}.prose .article-figure{margin:1.35rem 0 1.6rem;border-radius:6px;overflow:hidden;background:var(--fog);border:1px solid var(--line)}.prose .article-figure img{display:block;width:100%;height:auto;vertical-align:middle}.prose .article-figure figcaption{padding:0.55rem 0.85rem 0.7rem;font-size:0.82rem;color:var(--muted);line-height:1.5}.prose .blog-meta{color:var(--muted);font-size:0.9rem;margin-bottom:1.15rem}.hub-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;max-width:1100px;margin:0 auto;padding:0 6% 3.5rem}.hub-card{display:block;padding:1.5rem 1.4rem;background:#fff;border:1px solid var(--line);border-radius:4px;transition:border-color 0.2s ease,transform 0.2s ease}.hub-card:hover{border-color:rgba(0,168,184,0.45);transform:translateY(-2px)}.hub-card h3,.hub-card .hub-card-title{font-size:1.15rem;margin-bottom:0.45rem;color:var(--ink);font-weight:700}.hub-card p{color:var(--muted);font-size:0.95rem;line-height:1.65}.hub-card .more{display:inline-block;margin-top:0.85rem;color:var(--cyan-deep);font-size:0.9rem;font-weight:500}.related{max-width:980px;margin:0 auto 4rem;padding:0 6%}.related h2{font-family:var(--font-display);font-size:1.25rem;margin-bottom:1rem;color:var(--ink)}.related ul{list-style:none;display:flex;flex-wrap:wrap;gap:0.75rem 1.25rem}.related a{color:var(--cyan-deep);border-bottom:1px solid rgba(0,122,134,0.25)}.related a:hover{border-bottom-color:var(--cyan-deep)}.faq-list{max-width:900px;margin:0 auto;padding:2.5rem 6% 4rem}.faq-list details{border-top:1px solid var(--line);padding:1.1rem 0}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;font-weight:600;color:var(--ink);list-style:none;font-size:1.05rem}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";float:right;color:var(--cyan-deep);font-weight:500}.faq-list details[open] summary::after{content:"–"}.faq-list details p{margin-top:0.75rem;color:var(--muted);line-height:1.8;padding-right:1.5rem}.case-list{max-width:980px;margin:0 auto;padding:2.5rem 6% 4rem;display:grid;gap:1.75rem}.case-item{padding:1.75rem 0;border-top:1px solid var(--line)}.case-item.featured{padding:1.5rem 1.25rem;margin-top:0.35rem;background:#fff;border:1px solid rgba(0,122,134,0.35);border-radius:6px;box-shadow:0 8px 28px rgba(11,28,44,0.06)}.case-item .tag-featured{display:inline-block;margin-left:0.35rem;padding:0.1rem 0.45rem;font-size:0.72rem;font-weight:700;color:#fff;background:var(--cyan-deep);border-radius:3px;vertical-align:middle;letter-spacing:0.04em}.case-item:last-child{border-bottom:1px solid var(--line)}.case-item .tag{font-size:0.78rem;letter-spacing:0.12em;color:var(--cyan-deep);margin-bottom:0.45rem}.case-item h2{font-size:1.25rem;color:var(--ink);margin-bottom:0.65rem}.case-item p{color:var(--muted);line-height:1.8;margin-bottom:0.65rem}.footer-cols{display:flex;flex-wrap:wrap;justify-content:center;gap:0.5rem 1.25rem;margin:0.35rem 0 0.85rem;font-size:0.85rem}.footer-cols a{color:var(--muted)}.footer-cols a:hover{color:var(--ink)}.cta-band.compact{margin:0 6% 3.5rem;padding:2.25rem 6%;background:linear-gradient(120deg,#0b1c2c 0%,#123248 55%,#0a3d46 100%);color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.25rem}.cta-band.compact .cta-heading,.cta-band.compact h2{font-family:var(--font-display);font-size:clamp(1.2rem,2.2vw,1.55rem);font-weight:600}.cta-band.compact p{color:rgba(255,255,255,0.72);margin-top:0.35rem;font-size:0.95rem}@media (max-width:768px){.site-nav ul{gap:1rem !important}.feature,.service{grid-template-columns:1fr !important}.feature:nth-child(even) .feature-media,.service:nth-child(even) .service-media{order:0 !important}.feature:nth-child(even) .feature-text,.service:nth-child(even) .service-text{order:0 !important}.row{grid-template-columns:1fr !important;gap:0.25rem !important}.hub-grid{grid-template-columns:1fr}}.cta-band .cta-heading,.cta-band.compact .cta-heading{font-family:var(--font-display);font-size:clamp(1.2rem,2.2vw,1.55rem);font-weight:600;margin:0;line-height:1.35}.block 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0;padding:1rem;background:#0b1c2c;border-radius:12px;color:#fff}.mock-bar{height:28px;background:rgba(255,255,255,.08);border-radius:6px;margin-bottom:.75rem;display:flex;align-items:center;padding:0 .75rem;font-size:.75rem;color:rgba(255,255,255,.65)}.mock-grid{display:grid;grid-template-columns:1fr 1fr;gap:.65rem}.mock-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:.85rem;font-size:.85rem}.mock-note{margin-top:.65rem;font-size:.8rem;color:rgba(255,255,255,.55)}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.25rem 0}.metric{background:#fff;border:1px solid var(--line);padding:1rem;border-radius:4px;text-align:center}.metric strong{display:block;font-size:1.45rem;color:var(--cyan-deep)}.metric span{font-size:.85rem;color:var(--muted)}.faq-toc{display:flex;flex-wrap:wrap;gap:.75rem 1.25rem;max-width:860px;margin:1.5rem auto 0;padding:0 6%;font-size:.92rem}.faq-toc a{color:var(--cyan-deep);border-bottom:1px solid rgba(0,122,134,.25)}.faq-group{max-width:860px;margin:0 auto;padding:1.75rem 6% 0}.faq-group h2{font-family:var(--font-display);font-size:1.25rem;margin-bottom:.75rem}@media (max-width:700px){.metric-row,.mock-grid{grid-template-columns:1fr}}.site-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0.35rem 0.25rem}.lang-switch button{min-height:44px;min-width:44px;padding:0.5rem 0.75rem}.nav-toggle{min-width:44px;min-height:44px}.btn{min-height:44px}.footer-cols a{display:inline-flex;align-items:center;min-height:44px;padding:0.25rem 0.15rem}.faq-list summary{min-height:44px;display:flex;align-items:center}.filter-bar button{min-height:44px}picture>img{width:100%;height:auto}.contact-form{display:grid;gap:0.85rem;max-width:560px;margin:0.5rem 0 1rem}.contact-form label{display:grid;gap:0.35rem;color:var(--ink);font-size:0.92rem;font-weight:500}.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:0.7rem 0.85rem;border:1px solid var(--line);border-radius:4px;background:#fff;font:inherit;color:var(--ink);min-height:44px}.contact-form textarea{min-height:120px;resize:vertical}.contact-form button{justify-self:start;cursor:pointer;border:none}.form-success{padding:0.85rem 1rem;margin-bottom:1rem;background:#e8f7f4;border:1px solid rgba(0,122,134,0.25);color:var(--cyan-deep);border-radius:4px}.lang-switch a{display:inline-flex;align-items:center;justify-content:center;gap:0.35em;min-height:36px;min-width:2.6rem;padding:0.35rem 0.7rem;font-size:0.78rem;font-family:var(--font-display);font-weight:600;letter-spacing:0.04em;color:var(--muted);text-decoration:none;background:transparent;box-shadow:none !important;line-height:1}.lang-switch a[data-lang="zh"]::before,.lang-switch a[data-lang="en"]::before{content:"";width:1.05em;height:0.75em;flex-shrink:0;border-radius:1px;background-size:cover;background-position:center;background-repeat:no-repeat;box-shadow:inset 0 0 0 1px rgba(11,28,44,0.12)}.lang-switch a[data-lang="zh"]::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 20'%3E%3Crect width='30' height='20' fill='%23DE2910'/%3E%3Cpolygon fill='%23FFDE00' points='6,3.2 6.7,5.4 9,5.4 7.15,6.75 7.85,8.95 6,7.7 4.15,8.95 4.85,6.75 3,5.4 5.3,5.4'/%3E%3C/svg%3E")}.lang-switch a[data-lang="en"]::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 30'%3E%3Crect width='60' height='30' fill='%23012169'/%3E%3Cpath d='M0,0 L60,30 M60,0 L0,30' stroke='%23fff' stroke-width='6'/%3E%3Cpath d='M0,0 L60,30 M60,0 L0,30' stroke='%23C8102E' stroke-width='2'/%3E%3Cpath d='M30,0 V30 M0,15 H60' stroke='%23fff' stroke-width='10'/%3E%3Cpath d='M30,0 V30 M0,15 H60' stroke='%23C8102E' stroke-width='6'/%3E%3C/svg%3E")}.site-nav .lang-switch a:hover{color:var(--ink)}.site-nav .lang-switch a.active{background:var(--ink);color:#fff !important;box-shadow:none !important;font-weight:600}.contact-form label{gap:0.4rem}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:2px solid rgba(0,168,184,0.35);border-color:var(--cyan)}.contact-form button.btn{min-height:48px;padding-left:1.5rem;padding-right:1.5rem;margin-top:0.25rem}@media (max-width:600px){.contact-form{max-width:100%}.cta-band.compact{flex-direction:column;align-items:stretch;text-align:left}.cta-band.compact .btn{width:100%;justify-content:center}}.brand{max-width:none;flex-shrink:0}.brand span:not(.brand-mark){overflow:visible;text-overflow:clip;white-space:normal;line-height:1.25;font-size:clamp(0.68rem,1.05vw,0.9rem)}.site-nav ul a.active{color:var(--ink);font-weight:600;box-shadow:inset 0 -2px 0 var(--cyan)}.nav-cta{display:inline-flex !important;align-items:center;justify-content:center;min-height:40px;padding:0.35rem 0.95rem !important;margin-left:0.15rem;border-radius:4px;border:1px solid rgba(11,28,44,0.22);background:transparent;color:var(--ink) !important;font-size:0.88rem !important;font-weight:600;white-space:nowrap;box-shadow:none !important}.nav-cta:hover{border-color:var(--cyan);color:var(--cyan-deep) !important;background:rgba(0,168,184,0.06)}.nav-cta.active{border-color:var(--ink);background:var(--ink);color:#fff !important;box-shadow:none !important}@media (max-width:900px){.brand{max-width:min(100%,20rem);flex-shrink:1}.nav-cta{margin-left:0;min-height:40px;padding:0.35rem 0.7rem !important;font-size:0.82rem !important}.nav-panel .nav-cta{display:flex !important;width:100%;margin-top:0.65rem}}.nav-right{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;justify-content:flex-end}@media (min-width:901px){.nav-toggle{display:none !important}.nav-panel{display:contents}}footer{border-top:1px solid var(--line);padding:2.75rem 6% 2.5rem;text-align:center;color:var(--muted);font-size:0.88rem;line-height:1.8}.footer-cols{display:flex;flex-wrap:wrap;justify-content:center;gap:0.55rem 1.1rem;max-width:720px;margin:0 auto 1.35rem;padding-top:0.15rem}.footer-cols a{color:var(--muted);font-size:0.84rem;padding:0.35rem 0.65rem;border:1px solid var(--line);border-radius:4px;min-height:36px;display:inline-flex;align-items:center;transition:color 0.2s ease,border-color 0.2s ease,background 0.2s ease}.footer-cols a:hover{color:var(--cyan-deep);border-color:rgba(0,122,134,0.35);background:rgba(0,168,184,0.05)}footer .footer-meta{margin-top:0.25rem;font-size:0.82rem;color:var(--muted)}footer .footer-meta a{color:var(--muted)}footer .footer-meta a:hover{color:var(--ink)}.page-head{padding:2.25rem 6% 1.75rem;max-width:1180px;margin:0 auto;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#f0f5f8 0%,var(--surface) 100%)}.page-head h1{font-family:var(--font-display);font-size:clamp(1.55rem,3.2vw,2.15rem);font-weight:700;color:var(--ink);line-height:1.25;margin:0 0 0.45rem}.page-head p{margin:0;color:var(--muted);font-size:0.98rem;max-width:40rem}.page-hero.page-hero--text{min-height:0;padding:2.25rem 6% 1.75rem;color:var(--ink);background:linear-gradient(180deg,#f0f5f8 0%,var(--surface) 100%);isolation:auto;overflow:visible}.page-hero.page-hero--text::after{display:none}.page-hero.page-hero--text h1{color:var(--ink)}.page-hero.page-hero--text p{color:var(--muted);margin-top:0.45rem}.feature.text-only,.service.text-only{grid-template-columns:1fr !important}.feature.text-only .feature-media,.service.text-only .service-media{display:none}.feature-icon,.service-icon{width:28px;height:28px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;background:var(--fog);border:none}.feature-icon img,.service-icon img{width:100%;height:100%;object-fit:cover;display:block;max-width:none}.feature-title-row,.service-title-row{display:flex;align-items:center;gap:0.55rem;margin-bottom:0.55rem}.feature-title-row h3,.service-title-row h2{margin:0;line-height:1.3}.features.features--icons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.75rem}.feature.feature--icon,.service.service--icon{display:block;opacity:1;transform:none;animation:none}.feature.feature--icon .feature-text,.service.service--icon .service-text{min-width:0}.feature.feature--icon:nth-child(even) .feature-media,.feature.feature--icon:nth-child(even) .feature-text,.service.service--icon:nth-child(even) .service-media,.service.service--icon:nth-child(even) .service-text{order:unset}.services.services--icons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.75rem 2rem}@media (max-width:900px){.features.features--icons,.services.services--icons{grid-template-columns:1fr}}