:root{--blue:#0B3D91;--ink:#0b0b0c;--paper:#f5f5f2;--line:#d9d9d4;--muted:#6d6d68;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Microsoft YaHei","微软雅黑",sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.topbar{background:var(--ink);color:#fff;font-size:12px}.topbar .container{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar a{color:#fff}.topbar-links{display:flex;gap:18px;flex-wrap:wrap}
.header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}.header-inner{height:76px;display:flex;align-items:center;gap:32px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.04em;white-space:nowrap}.logo img{width:34px;height:34px;object-fit:contain}.main-nav{flex:1}.nav-list{display:flex;align-items:stretch;justify-content:center;gap:3px;list-style:none;margin:0;padding:0}.nav-item{position:relative}.nav-link{display:flex;align-items:center;gap:5px;padding:27px 13px;font-size:14px;white-space:nowrap}.nav-link:hover,.nav-link:focus{color:var(--blue)}.has-arrow:after{content:"⌄";font-size:12px}.dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);visibility:hidden;opacity:0;pointer-events:none;background:#fff;border:1px solid var(--line);box-shadow:0 18px 45px #00000018;transition:.2s;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{visibility:visible;opacity:1;pointer-events:auto}.dropdown-panel{width:330px;padding:16px}.dropdown-panel a{display:block;padding:10px;border-bottom:1px solid #eee;font-size:13px}.mega-menu{width:min(920px,calc(100vw - 30px));padding:24px}.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.mega-card{padding:14px;background:#f7f7f4;border:1px solid #e8e8e2}.mega-card strong{display:block;font-size:14px;margin-bottom:5px}.mega-card small{color:var(--muted);font-size:12px}.mega-card img{width:38px;height:38px;object-fit:contain;margin-bottom:8px}.mega-title{font-size:12px;color:var(--blue);font-weight:700;letter-spacing:.12em;margin:0 0 13px}.mega-footer{display:inline-block;margin-top:18px;color:var(--blue);font-size:13px;border-bottom:1px solid var(--blue)}.header-btns{display:flex;align-items:center;gap:12px;white-space:nowrap}.member-btn{padding:9px 14px;background:var(--blue);color:#fff;font-size:13px}.open-account{font-size:13px}.hamburger{display:none;width:42px;height:40px;background:transparent;border:1px solid var(--line);cursor:pointer}.hamburger span{display:block;width:20px;height:2px;background:var(--ink);margin:4px auto;transition:.2s}.hamburger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.drawer-overlay{position:fixed;inset:0;background:#0008;opacity:0;visibility:hidden;z-index:50;transition:.2s}.drawer-overlay.open{opacity:1;visibility:visible}.mobile-drawer{position:fixed;right:0;top:0;bottom:0;width:min(380px,90vw);background:#fff;z-index:51;transform:translateX(100%);transition:.25s;overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;gap:15px;padding:20px;border-bottom:1px solid var(--line);font-weight:700}.drawer-head a{margin-left:auto;color:var(--blue);font-size:13px}.drawer-close{border:0;background:none;font-size:28px;cursor:pointer}.drawer-menu{padding:10px 20px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:15px 0;border-bottom:1px solid #eee;text-align:left;background:none;border-left:0;border-right:0;border-top:0;cursor:pointer;font-weight:600}.drawer-toggle:after{content:"+";float:right;color:var(--blue)}.drawer-toggle.active:after{content:"−"}.drawer-submenu{max-height:0;overflow:hidden;transition:.25s;padding-left:15px}.drawer-submenu.open{max-height:500px;padding-bottom:8px}.drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:13px}

.hero{min-height:calc(100vh - 110px);background:var(--ink);color:#fff;position:relative;overflow:hidden;display:flex;align-items:center}.hero-layout-31{padding:80px 0 35px}.hero-layout-31:before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 0 58%,#0B3D9122 58% 59%,transparent 59%),radial-gradient(circle at 82% 25%,#0B3D9140,transparent 30%);pointer-events:none}.hero-layout-31 .hero-inner{width:min(1440px,calc(100% - 70px));margin:auto;position:relative;z-index:1}.hero-kicker{font-size:12px;letter-spacing:.2em;color:#aebdd9;text-transform:uppercase;margin-bottom:30px}.hero-layout-31 h1{font-size:clamp(54px,10.6vw,166px);line-height:.9;letter-spacing:-.075em;font-weight:800;margin:0;max-width:1320px}.hero-layout-31 h1 span{color:var(--blue);-webkit-text-stroke:1px #7d9dd0}.hero-line{display:flex;align-items:center;gap:14px}.hero-mark{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border:1px solid #fff;border-radius:50%;font-size:13px;color:#fff;vertical-align:middle}.hero-data{font-size:11px;color:#aebdd9;letter-spacing:.12em;white-space:nowrap}.hero-copy{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-top:45px;border-top:1px solid #ffffff44;padding-top:18px}.hero-copy p{max-width:530px;color:#c8c8c4;margin:0;font-size:15px}.hero-actions{display:flex;gap:8px;flex-wrap:wrap}.hero-actions a{border:1px solid #fff;padding:9px 16px;font-size:12px}.hero-actions a.primary{background:var(--blue);border-color:var(--blue)}.hero-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:70px;border-top:1px solid #ffffff44;padding-top:12px;font-size:11px;color:#aaa}.hero-bottom span{margin-right:18px}.hero-bottom strong{color:#fff;font-size:15px}

.section{padding:90px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}.section-head h2{font-size:clamp(28px,4vw,52px);line-height:1;margin:0;letter-spacing:-.04em}.section-head p{max-width:430px;color:var(--muted);font-size:14px;margin:0}.section-link{color:var(--blue);font-size:13px;white-space:nowrap}.broker-grid,.tool-grid,.product-grid,.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.broker-card,.tool-card,.product-card,.video-card{background:#fff;border:1px solid var(--line);padding:22px}.broker-card{display:grid;grid-template-columns:60px 1fr;gap:14px}.broker-card img{width:54px;height:54px;object-fit:contain}.broker-card h3,.tool-card h3,.product-card h3,.video-card h3{font-size:18px;margin:0 0 7px}.broker-card p,.tool-card p,.product-card p,.video-card p{font-size:13px;color:var(--muted);margin:0 0 12px}.card-meta{grid-column:1/-1;display:flex;justify-content:space-between;gap:8px;padding-top:12px;border-top:1px solid #eee;color:var(--muted);font-size:12px}.card-cta{color:var(--blue);font-size:13px}.article-list{display:grid;gap:12px}.article-row{display:grid;grid-template-columns:190px 1fr auto;gap:20px;align-items:center;background:#fff;border-top:1px solid var(--line);padding:14px 0}.article-row img{width:190px;height:120px;object-fit:cover;background:#ddd}.article-row h3{margin:0 0 5px;font-size:19px}.article-row p{margin:0;color:var(--muted);font-size:13px}.article-info{font-size:12px;color:var(--muted);white-space:nowrap}.feature-band{background:var(--blue);color:#fff;padding:55px 0}.feature-band .section-head p{color:#d7e1f1}.faq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.faq-card{background:#fff;border:1px solid var(--line);padding:22px}.faq-card h3{font-size:16px;margin:0 0 10px}.faq-card p{font-size:13px;color:var(--muted);margin:0}

.footer{background:#111;color:#fff;padding:58px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px;padding-bottom:35px;border-bottom:1px solid #ffffff22}.footer h3{font-size:15px;margin:0 0 15px}.footer p,.footer a{color:#aaa;font-size:13px}.footer a{display:block;margin:7px 0}.footer-brand strong{font-size:22px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#888;font-size:12px}.footer-bottom a{display:inline;color:#aaa;margin-left:10px}
@media(max-width:980px){.main-nav{display:none}.header-inner{justify-content:space-between}.header-btns{margin-left:auto}.hamburger{display:block}.mega-grid{grid-template-columns:repeat(2,1fr)}.broker-grid,.tool-grid,.product-grid,.video-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.container{width:min(var(--max),calc(100% - 28px))}.topbar .container{align-items:flex-start;padding:8px 0;flex-direction:column;gap:2px}.topbar-links{gap:8px}.header-inner{height:64px;gap:10px}.logo span{font-size:14px}.member-btn,.open-account{display:none}.hero{min-height:calc(100vh - 98px)}.hero-layout-31{padding:55px 0 25px}.hero-layout-31 .hero-inner{width:calc(100% - 28px)}.hero-kicker{margin-bottom:20px}.hero-layout-31 h1{font-size:clamp(48px,16vw,92px)}.hero-line{display:block;margin-bottom:6px}.hero-mark{width:22px;height:22px;font-size:10px}.hero-data{font-size:9px;margin-left:4px}.hero-copy{display:block;margin-top:32px}.hero-copy p{font-size:13px;margin-bottom:20px}.hero-bottom{margin-top:35px;display:block;line-height:2}.section{padding:60px 0}.section-head{display:block}.section-head h2{margin-bottom:14px}.broker-grid,.tool-grid,.product-grid,.video-grid,.faq-grid{grid-template-columns:1fr}.article-row{grid-template-columns:100px 1fr;gap:12px}.article-row img{width:100px;height:85px}.article-info{grid-column:2}.article-row h3{font-size:16px}.article-row p{display:none}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}