:root{--theme:#0B3D91;--deep:#071a3a;--silver:#dfe7f2;--line:#d9e1ec;--text:#172238;--muted:#65728a;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:#f6f8fb;line-height:1.7}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 40px));margin:auto}.topbar{background:var(--deep);color:#dbe7fa;font-size:13px}.topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar-contact{display:flex;gap:20px}.header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:20}.header-inner{height:76px;display:flex;align-items:center;gap:28px}.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--deep);white-space:nowrap}.logo img{width:38px;height:38px;object-fit:contain}.main-nav{flex:1}.nav-list{display:flex;align-items:center;justify-content:center;gap:3px;list-style:none;margin:0;padding:0}.nav-item{position:relative}.nav-link{display:block;padding:25px 14px;font-size:15px;font-weight:600;white-space:nowrap}.nav-link:hover{color:var(--theme)}.has-arrow:after{content:"⌄";margin-left:6px;font-size:12px}.dropdown-panel,.mega-menu{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);background:#fff;border:1px solid var(--line);box-shadow:0 18px 45px #10264a1c;border-radius:0 0 12px 12px;z-index:30}.nav-item:hover>.dropdown-panel,.nav-item:focus-within>.dropdown-panel,.nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu{display:block}.dropdown-panel{width:330px;padding:20px}.dropdown-title{margin:0 0 10px;color:var(--theme);font-weight:800}.news-link{display:block;padding:8px 0;border-bottom:1px solid #edf0f5;font-size:14px}.dropdown-footer,.mega-footer{display:flex;justify-content:space-between;margin-top:13px;color:var(--theme);font-weight:700;font-size:13px}.mega-menu{width:min(900px,calc(100vw - 30px));padding:22px}.mega-layout{display:grid;grid-template-columns:210px 1fr;gap:25px}.mega-side{border-right:1px solid var(--line);padding-right:20px}.mega-side h3{margin:0 0 8px;color:var(--deep);font-size:17px}.mega-side p{font-size:13px;color:var(--muted);margin:0 0 13px}.mega-categories{display:grid;gap:5px}.mega-categories a{font-size:13px;color:var(--theme);padding:3px 0}.mega-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.mega-head strong{color:var(--deep)}.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.mega-card{border:1px solid var(--line);padding:10px;border-radius:9px;min-width:0}.mega-card:hover{border-color:var(--theme);box-shadow:0 5px 15px #0b3d9114}.mega-card img{width:32px;height:32px;object-fit:contain;display:block;margin-bottom:5px}.mega-card strong{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mega-card p{font-size:11px;color:var(--muted);margin:3px 0;line-height:1.45}.mega-meta{display:flex;flex-wrap:wrap;gap:5px;color:var(--muted);font-size:10px}.header-btns{display:flex;align-items:center;gap:13px}.open-account{background:var(--theme);color:#fff;border-radius:6px;padding:8px 15px;font-size:13px;font-weight:700}.hamburger{display:none;border:0;background:transparent;padding:7px;cursor:pointer}.hamburger span{display:block;width:24px;height:2px;background:var(--deep);margin:5px 0}.drawer-overlay{display:none}.mobile-drawer{display:none}.download-page-main{padding:58px 0 80px}.download-hero{text-align:center;max-width:800px;margin:0 auto 38px}.eyebrow{color:var(--theme);font-size:13px;font-weight:800;letter-spacing:2px}.download-hero h1{font-size:clamp(30px,5vw,52px);line-height:1.2;margin:12px 0;color:var(--deep)}.download-hero p{color:var(--muted);margin:0 auto;max-width:650px}.download-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:0 18px 45px #0b3d910d}.download-panel h2{text-align:center;color:var(--deep);margin:0 0 26px}.download-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:32px}.download-step{padding:22px;background:#f5f8fc;border-radius:12px;border-top:3px solid var(--theme)}.step-no{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--theme);color:#fff;font-weight:800}.download-step h3{margin:12px 0 5px;font-size:18px}.download-step p{margin:0;color:var(--muted);font-size:14px}.download-action{text-align:center;padding:26px;background:linear-gradient(135deg,#071a3a,#0B3D91);border-radius:13px;color:#fff}.download-action h3{margin:0 0 5px}.download-action p{margin:0 0 16px;color:#dce8fa}.primary-btn{display:inline-block;background:#fff;color:var(--theme);padding:10px 24px;border-radius:6px;font-weight:800}.download-faq{margin-top:42px}.download-faq h2{text-align:center;color:var(--deep)}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px}.faq-item h3{font-size:16px;margin:0 0 5px}.faq-item p{margin:0;color:var(--muted);font-size:14px}.footer{background:var(--deep);color:#d9e3f3}.footer-main{padding:48px 0 35px;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer .logo{color:#fff}.footer-brand p{color:#aebed5;font-size:13px;max-width:300px}.footer h3{font-size:15px;color:#fff;margin:0 0 13px}.footer-links,.footer-contact{display:grid;gap:7px;font-size:13px;color:#b7c7dc}.footer-links a:hover{color:#fff}.footer-social{margin-top:15px}.footer-bottom{border-top:1px solid #ffffff1c;padding:17px 0;display:flex;justify-content:space-between;gap:20px;color:#91a6c2;font-size:12px}.drawer-lock{overflow:hidden}
@media(max-width:980px){.main-nav{display:none}.hamburger{display:block}.header-inner{justify-content:space-between}.mobile-drawer{display:block;position:fixed;top:0;right:-380px;width:min(360px,88vw);height:100vh;background:#fff;z-index:60;transition:right .25s;overflow:auto}.mobile-drawer.open{right:0}.drawer-overlay{display:block;position:fixed;inset:0;background:#071a3a99;z-index:55;opacity:0;pointer-events:none;transition:opacity .25s}.drawer-overlay.open{opacity:1;pointer-events:auto}.drawer-head{display:flex;align-items:center;gap:12px;padding:18px;border-bottom:1px solid var(--line);font-weight:700}.drawer-head a{margin-left:auto;color:var(--theme)}.drawer-close{border:0;background:transparent;font-size:28px;line-height:1;cursor:pointer}.drawer-menu{padding:10px 18px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 4px;border:0;border-bottom:1px solid #edf0f5;background:none;text-align:left;font:inherit;color:var(--text);cursor:pointer}.drawer-toggle:after{content:"＋";float:right;color:var(--theme)}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:4px 14px;background:#f7f9fc}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:8px 0;font-size:14px;color:var(--muted)}.download-steps,.footer-main{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:600px){.container{width:min(100% - 28px,1180px)}.topbar-inner{padding:7px 0;display:block}.topbar-contact{gap:12px;margin-top:2px}.header-inner{height:66px}.open-account{display:none}.download-page-main{padding:40px 0 55px}.download-panel{padding:20px}.download-steps,.faq-grid,.footer-main{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin:3px 0}}