:root{--theme:#0B3D91;--ink:#172033;--muted:#687386;--line:#e6eaf0;--soft:#f5f7fb;--white:#fff;--accent:#d9a441}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}button{font:inherit}.container{width:min(1180px,calc(100% - 40px));margin:auto}
.topbar{background:#111b2d;color:#cbd5e1;font-size:13px}.topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar a{margin-left:22px;color:#e5e7eb}
.header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(22,38,70,.05)}.header-inner{min-height:78px;display:flex;align-items:center;gap:28px}.logo{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:19px;font-weight:800;color:var(--theme)}.logo img{width:38px;height:38px;object-fit:contain}.main-nav{flex:1}.nav-list{display:flex;justify-content:center;align-items:stretch;gap:3px;padding:0;margin:0;list-style:none}.nav-item{position:relative}.nav-link{display:block;padding:25px 14px;color:#283449;font-size:15px;white-space:nowrap}.nav-link:hover,.nav-link:focus{color:var(--theme)}.has-arrow:after{content:"⌄";font-size:12px;margin-left:6px;color:#8a94a6}.dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:330px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 12px 12px;box-shadow:0 18px 42px rgba(18,34,64,.14);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.mega-menu{width:520px}.nav-item:hover>.dropdown-panel,.nav-item:focus-within>.dropdown-panel,.nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu{opacity:1;visibility:visible;pointer-events:auto}.panel-title{margin:0 0 12px;color:var(--theme);font-weight:800}.panel-list{display:grid;gap:7px}.panel-list a{display:block;padding:5px 0;color:#4b5568;border-bottom:1px solid #f0f2f6;font-size:14px}.mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.mega-card{display:flex;flex-direction:column;gap:3px;min-height:76px;padding:11px;border:1px solid var(--line);border-radius:9px;background:#fbfcfe}.mega-card:hover{border-color:var(--theme);background:#f4f7fd}.mega-card img{width:24px;height:24px;object-fit:contain}.mega-card strong{font-size:14px}.mega-card small{color:var(--muted);font-size:12px;line-height:1.5}.mega-footer{display:block;margin-top:15px;color:var(--theme);font-size:14px;font-weight:700}.header-btns{display:flex;align-items:center;gap:9px;white-space:nowrap}.member,.open-account{padding:8px 12px;border-radius:6px;font-size:13px}.member{color:var(--theme);border:1px solid #c9d5ed}.open-account{color:#fff;background:var(--theme)}.hamburger{display:none;border:0;background:transparent;padding:8px;cursor:pointer}.hamburger span{display:block;width:24px;height:2px;margin:5px 0;background:#22314b;transition:.2s}
.drawer-overlay{display:none;position:fixed;inset:0;background:rgba(7,15,30,.52);z-index:40}.drawer-overlay.open{display:block}.mobile-drawer{position:fixed;z-index:41;right:-360px;top:0;width:min(360px,88vw);height:100vh;overflow:auto;background:#fff;transition:right .25s;box-shadow:-12px 0 34px rgba(0,0,0,.18)}.mobile-drawer.open{right:0}.drawer-head{display:flex;align-items:center;gap:12px;padding:19px;border-bottom:1px solid var(--line);font-weight:700}.drawer-head>a{margin-left:auto;color:var(--theme)}.drawer-close{border:0;background:none;font-size:28px;line-height:1;color:#657086;cursor:pointer}.drawer-menu{padding:12px 18px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:12px 4px;border:0;border-bottom:1px solid #eef1f5;background:none;text-align:left;color:#27344b;cursor:pointer}.drawer-toggle:after{content:"＋";float:right;color:#7b8799}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:5px 12px;background:#f7f9fc}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:7px 0;color:#5c687a;font-size:14px}
.download-page-main{background:linear-gradient(180deg,#f7f9fd 0,#fff 70%);padding:70px 0 92px}.download-hero{text-align:center;max-width:780px;margin:0 auto 42px}.download-hero .eyebrow{display:inline-block;padding:5px 13px;border-radius:20px;background:#e9f0ff;color:var(--theme);font-size:13px;font-weight:700}.download-hero h1{margin:15px 0 12px;font-size:clamp(32px,5vw,56px);line-height:1.2;color:#14233d}.download-hero p{margin:0;color:var(--muted);font-size:17px}.download-actions{display:flex;justify-content:center;gap:12px;margin-top:25px;flex-wrap:wrap}.download-actions a{padding:12px 25px;border-radius:7px;font-weight:700}.primary-action{background:var(--theme);color:#fff;box-shadow:0 9px 20px rgba(11,61,145,.2)}.secondary-action{background:#fff;border:1px solid #ccd7e8;color:var(--theme)}.download-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 14px 38px rgba(33,54,90,.08)}.download-panel h2{text-align:center;margin:0 0 24px;font-size:25px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step{position:relative;padding:24px 20px;border-radius:12px;background:#f7f9fd;border:1px solid #edf0f5}.step-number{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--theme);color:#fff;font-weight:800}.step h3{margin:13px 0 5px;font-size:17px}.step p{margin:0;color:var(--muted);font-size:14px}.download-lower{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}.info-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:14px}.info-card h2{margin:0 0 14px;font-size:21px}.info-card ul{padding-left:20px;margin:0;color:#566278}.faq-item{padding:12px 0;border-bottom:1px solid var(--line)}.faq-item:last-child{border-bottom:0}.faq-item strong{display:block;margin-bottom:4px}.faq-item p{margin:0;color:var(--muted);font-size:14px}
.footer{background:#111b2d;color:#b8c2d1;padding:52px 0 0}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.2fr;gap:35px}.footer-brand{color:#dbe4f2}.footer-brand img{width:34px;height:34px;object-fit:contain;vertical-align:middle;margin-right:8px}.footer-brand strong{font-size:18px}.footer h3{margin:0 0 13px;color:#fff;font-size:16px}.footer-grid>div:not(.footer-brand) a{display:block;margin:6px 0;color:#b8c2d1;font-size:14px}.footer-grid a:hover{color:#fff}.footer p{font-size:13px}.footer-bottom{margin-top:38px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;text-align:center;color:#8e9bad}
@media(max-width:980px){.main-nav{display:none}.hamburger{display:block}.member{display:none}.header-inner{justify-content:space-between}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:650px){.container{width:min(100% - 28px,1180px)}.topbar .container{padding:7px 0;display:block;text-align:center}.topbar a{margin:0 7px}.header-inner{min-height:66px}.logo{font-size:17px}.open-account{display:none}.download-page-main{padding:45px 0 60px}.download-hero h1{font-size:34px}.download-hero p{font-size:15px}.download-panel{padding:18px}.steps,.download-lower{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:23px}.footer-brand{grid-column:1/-1}.mega-grid{grid-template-columns:1fr}}