*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f3f8fd;color:#19324d;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.78;overflow-x:hidden}a{color:#1267b1}img{max-width:100%}.site-header{position:sticky;top:0;z-index:9000;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid #d9e8f6}.header-inner{max-width:1180px;min-height:70px;margin:auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}.site-logo img,.drawer-logo img,.footer-brand img{display:block;height:36px;width:auto;object-fit:contain}.site-logo{display:flex;align-items:center;min-width:128px}.logo-placeholder,.footer-logo-text{font-weight:900;color:#0c5fa8;font-size:22px}.nav-core{display:flex;align-items:center;justify-content:center;gap:4px}.nav-core a{color:#29435d;text-decoration:none;font-weight:800;padding:8px 12px;white-space:nowrap;border-radius:8px}.nav-core a:hover,.nav-core a.is-current{background:#eaf5ff;color:#0d72c8}.main-btn{display:inline-flex;min-height:42px;min-width:92px;padding:0 20px;align-items:center;justify-content:center;background:linear-gradient(135deg,#1bb5eb,#1586d6 55%,#0a5da8);color:#fff;text-decoration:none;border-radius:10px;font-weight:800;box-shadow:0 8px 22px rgba(21,134,214,.18);touch-action:manipulation}.menu-btn{display:none;border:0;background:transparent;color:#0d72c8;font-weight:800;font-size:16px;min-height:42px;touch-action:manipulation}.channel-bar{background:#fff;border-bottom:1px solid #e1ecf6}.channel-inner{max-width:1180px;margin:auto;padding:0 20px;display:flex;gap:22px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.channel-inner a{padding:12px 0 9px;color:#5a7086;text-decoration:none;font-size:14px;border-bottom:3px solid transparent}.channel-inner a:hover,.channel-inner a.is-current{color:#0d72c8;border-color:#0d72c8}.site-main{min-height:55vh}.wrap{max-width:1180px;margin:auto;padding:0 20px}.hero{padding:52px 0 34px}.hero-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.15fr);gap:34px;align-items:center}.eyebrow{font-size:13px;font-weight:900;letter-spacing:.12em;color:#0b7bbd;text-transform:uppercase;margin-bottom:10px}.hero h1,.page-hero h1{font-size:clamp(30px,4.3vw,48px);line-height:1.18;margin:0 0 18px;color:#102e4b;letter-spacing:-.02em}.hero p,.page-hero p{font-size:17px;color:#49657f;margin:0 0 22px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.text-link{display:inline-flex;align-items:center;min-height:42px;padding:0 4px;font-weight:800;text-decoration:none}.media{position:relative;width:100%;overflow:hidden;border-radius:18px;background:#e8f3fc;aspect-ratio:16/9;border:1px solid #d5e7f5}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;display:block}.media-placeholder{display:flex;align-items:center;justify-content:center;color:#7790a7;font-weight:700}.hero-media .media{box-shadow:0 18px 45px rgba(14,82,133,.12)}.section{padding:28px 0 44px}.section-soft{background:#eaf4fc;border-top:1px solid #daeaf7;border-bottom:1px solid #daeaf7}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.section-head h2{margin:0;color:#153a5d;font-size:28px}.section-head p{margin:0;color:#60778d;max-width:680px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-card,.content-card,.link-card,.info-panel{background:#fff;border:1px solid #dceaf6;border-radius:16px;box-shadow:0 10px 30px rgba(28,83,126,.06)}.feature-card{padding:18px}.feature-card h3{margin:0 0 8px;font-size:18px;color:#163f64}.feature-card p{margin:0;color:#60778d;font-size:14px}.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.gallery-grid .media{aspect-ratio:16/8.7}.directory{display:grid;grid-template-columns:1fr 1fr;gap:0 26px;background:#fff;border:1px solid #dceaf6;border-radius:16px;padding:10px 24px}.directory a{display:flex;justify-content:space-between;gap:20px;padding:17px 4px;border-bottom:1px solid #edf3f8;text-decoration:none;color:#24425f}.directory a strong{color:#0d72c8}.directory a span{color:#718397;text-align:right;font-size:14px}.page-hero{padding:38px 0 22px}.breadcrumb{font-size:14px;color:#70859a;margin-bottom:12px}.breadcrumb a{color:#55738f;text-decoration:none}.article{max-width:850px;margin:0 auto 52px;background:#fff;border:1px solid #dceaf6;border-radius:18px;padding:30px 34px;box-shadow:0 14px 34px rgba(28,83,126,.06)}.article h2{font-size:24px;line-height:1.35;color:#143d61;margin:32px 0 12px}.article h2:first-of-type{margin-top:22px}.article p{margin:0 0 16px}.article ul,.article ol{padding-left:22px}.article li{margin-bottom:9px}.article .media{margin:24px 0}.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.related-links a,.link-card{display:block;padding:15px 16px;background:#f6fbff;border:1px solid #dcebf7;border-radius:12px;text-decoration:none;font-weight:800;color:#176ba9}.brand-index{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.brand-index a{background:#fff;border:1px solid #dceaf6;border-radius:14px;padding:17px;text-decoration:none;font-weight:800;color:#21435f}.brand-index small{display:block;color:#70859a;font-weight:400;margin-top:4px}.note{padding:16px 18px;border-left:4px solid #1c98d8;background:#f0f8ff;border-radius:10px;color:#415f78}.steps{counter-reset:item;display:grid;gap:12px}.step{position:relative;padding:18px 18px 18px 58px;background:#f7fbff;border:1px solid #deedf8;border-radius:12px}.step:before{counter-increment:item;content:counter(item);position:absolute;left:18px;top:17px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#0d72c8;color:#fff;font-weight:900}.faq-list details{background:#f8fcff;border:1px solid #deebf5;border-radius:12px;padding:14px 16px;margin-bottom:10px}.faq-list summary{font-weight:900;color:#173e61;cursor:pointer}.faq-list p{margin:12px 0 4px}.site-footer{background:#0c2944;color:#dbeefc;padding:42px 0 24px}.footer-inner{max-width:1180px;margin:auto;padding:0 20px;display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:38px}.footer-inner h2{font-size:16px;margin:0 0 12px;color:#fff}.footer-inner a{display:block;color:#dbeefc;text-decoration:none;margin:7px 0}.footer-brand p{max-width:480px;color:#bcd2e5;font-size:14px}.footer-bottom{max-width:1180px;margin:26px auto 0;padding:20px 20px 0;border-top:1px solid rgba(255,255,255,.12);color:#9ebbd2;font-size:13px}.floating-tools{position:fixed;right:18px;top:38%;z-index:8000;display:flex;flex-direction:column;background:#fff;border:1px solid #dceaf6;border-radius:12px;overflow:hidden;box-shadow:0 12px 30px rgba(14,65,105,.14)}.floating-tools a,.floating-tools button{border:0;border-bottom:1px solid #edf3f8;background:#fff;color:#23628f;text-decoration:none;padding:10px 12px;font:inherit;font-size:13px;cursor:pointer}.floating-tools .float-main{background:#0d72c8;color:#fff}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.drawer-open{overflow:hidden}
@media(max-width:980px){.header-inner{min-height:64px;padding:0 14px}.menu-btn{display:inline-flex;align-items:center}.nav-core{display:none}.site-logo{min-width:0}.site-logo img{height:32px;max-width:132px}.header-btn{min-width:76px;padding:0 14px}.channel-bar{display:none}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#fff;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(16,43,70,.16);overflow-y:auto}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(16,43,70,.38);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid #e4edf5}.drawer-close{border:0;background:#edf7ff;color:#0d72c8;border-radius:8px;min-height:40px;padding:0 12px;font-weight:800;touch-action:manipulation}.drawer-logo img{height:32px}.drawer-groups{padding:10px 16px 30px}.drawer-groups section{padding:10px 0;border-bottom:1px solid #edf2f7}.drawer-groups h2{font-size:13px;color:#7a8ca0;margin:0 0 6px}.drawer-groups a{display:block;padding:8px 0;text-decoration:none;color:#213e5a;font-weight:700}.hero{padding-top:32px}.hero-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}.directory{grid-template-columns:1fr}.brand-index{grid-template-columns:repeat(2,1fr)}.floating-tools{display:none}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:8500;background:#fff;border-top:1px solid #dce8f3}.mobile-bottom a{text-align:center;padding:11px 4px;color:#345570;text-decoration:none;font-weight:800;font-size:13px}.site-footer{padding-bottom:72px}.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.media{z-index:1}.menu-btn,.main-btn,.drawer-close,.mobile-bottom a{touch-action:manipulation;min-height:40px}}
@media(max-width:640px){.wrap{padding:0 15px}.hero h1,.page-hero h1{font-size:30px}.hero p,.page-hero p{font-size:16px}.section{padding:24px 0 34px}.section-head{align-items:start;flex-direction:column;gap:6px}.section-head h2{font-size:24px}.feature-grid,.gallery-grid,.brand-index{grid-template-columns:1fr}.article{padding:22px 18px;border-radius:14px;margin-bottom:34px}.article h2{font-size:21px}.related-links{grid-template-columns:1fr}.directory{padding:6px 16px}.directory a{flex-direction:column;gap:3px}.directory a span{text-align:left}.footer-inner{grid-template-columns:1fr}.footer-brand{grid-column:auto}}