:root{
  --theme:#0B3D91;
  --ink:#101826;
  --muted:#667085;
  --line:#e5eaf1;
  --paper:#f5f7fb;
  --film:#111318;
  --yellow:#f1c75b;
  --white:#fff;
  --shadow:0 18px 45px rgba(16,24,40,.11);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.topbar{height:36px;background:#081f4b;color:#dbe8ff;font-size:12px}
.topbar .container{height:100%;display:flex;align-items:center;justify-content:space-between}
.topbar-links{display:flex;gap:20px;align-items:center}
.header{position:relative;background:#fff;border-bottom:1px solid var(--line);z-index:20}
.header-inner{min-height:76px;display:flex;align-items:center;gap:34px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;white-space:nowrap;color:var(--theme)}
.logo img{width:34px;height:34px;object-fit:contain}
.main-nav{flex:1}
.nav-list{display:flex;justify-content:center;align-items:center;gap:4px;list-style:none;padding:0;margin:0}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:5px;padding:25px 13px;font-size:14px;white-space:nowrap}
.nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
.has-arrow:after{content:"⌄";font-size:12px;color:#8b96a8}
.header-btns{display:flex;align-items:center;gap:12px;white-space:nowrap}
.member-link{font-size:13px;color:var(--theme)}
.open-account{background:var(--theme);color:#fff;border-radius:7px;padding:9px 15px;font-size:13px}
.mega-menu,.dropdown-panel{position:absolute;left:50%;top:calc(100% - 1px);transform:translateX(-50%) translateY(8px);width:760px;padding:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 12px 12px;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
.dropdown-panel{width:350px}
.nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu,.nav-item:hover>.dropdown-panel,.nav-item:focus-within>.dropdown-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.nav-item:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:12px}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mega-card{display:block;border:1px solid var(--line);border-radius:9px;padding:12px;transition:.2s}
.mega-card:hover{border-color:var(--theme);transform:translateY(-2px)}
.mega-card img{width:42px;height:42px;object-fit:contain;margin-bottom:7px}
.mega-card strong{display:block;font-size:14px}
.mega-card small{display:block;color:var(--muted);font-size:12px;line-height:1.5}
.mega-footer{display:block;margin-top:16px;border-top:1px solid var(--line);padding-top:12px;color:var(--theme);font-size:13px}
.dropdown-panel a{display:block;padding:8px 4px;border-bottom:1px solid #f0f2f6;font-size:13px}
.hamburger{display:none;border:0;background:transparent;width:38px;height:38px;padding:8px;cursor:pointer}
.hamburger span{display:block;height:2px;background:var(--ink);margin:5px 0;transition:.2s}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer-overlay{position:fixed;inset:0;background:rgba(3,12,28,.52);opacity:0;visibility:hidden;z-index:39;transition:.2s}
.drawer-overlay.open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;width:min(360px,88vw);height:100vh;background:#fff;z-index:40;transform:translateX(100%);transition:.25s;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:12px;padding:18px;border-bottom:1px solid var(--line);color:var(--theme)}
.drawer-head>a{margin-left:auto;background:var(--theme);color:#fff;padding:5px 10px;border-radius:5px;font-size:12px}
.drawer-close{border:0;background:transparent;font-size:26px;line-height:1;cursor:pointer}
.drawer-menu{padding:10px 18px 30px}
.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #eef1f5;background:none;text-align:left;font-size:15px;color:var(--ink);cursor:pointer}
.drawer-toggle:after{content:"＋";float:right;color:#98a2b3}
.drawer-toggle.active:after{content:"－"}
.drawer-submenu{display:none;background:#f7f9fc;padding:6px 12px}
.drawer-submenu.open{display:block}
.drawer-submenu a{display:block;padding:8px 0;color:#586579;font-size:13px}
.hero-layout-35{background:var(--film);color:#fff;padding:78px 0 86px;overflow:hidden}
.hero-layout-35 .hero-intro{text-align:center;max-width:850px;margin:0 auto 46px}
.hero-kicker{display:inline-flex;border:1px solid rgba(241,199,91,.6);color:var(--yellow);padding:5px 14px;border-radius:999px;letter-spacing:2px;font-size:12px}
.hero-layout-35 h1{font-size:clamp(38px,6vw,76px);line-height:1.1;margin:18px 0 14px;letter-spacing:2px}
.hero-layout-35 .hero-intro p{margin:0 auto;color:#c6cad3;font-size:16px;max-width:650px}
.film-strip{position:relative;background:#08090c;border-top:16px solid #202329;border-bottom:16px solid #202329;padding:20px 16px;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;box-shadow:0 18px 40px rgba(0,0,0,.3)}
.film-strip:before,.film-strip:after{content:"";position:absolute;left:0;right:0;height:8px;background:radial-gradient(circle,#fff 0 3px,transparent 4px) 0 0/26px 100%;opacity:.95}
.film-strip:before{top:-12px}.film-strip:after{bottom:-12px}
.film-frame{position:relative;min-height:210px;background:linear-gradient(145deg,#efd078,#a8732c);border:5px solid #d8b45c;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:17px;color:#17130b}
.film-frame:before{content:"";position:absolute;inset:0;background:linear-gradient(140deg,rgba(255,255,255,.3),transparent 32%,rgba(27,15,0,.35));pointer-events:none}
.frame-number{position:absolute;top:9px;left:11px;color:#fff;font-family:Georgia,serif;font-size:18px;z-index:1}
.scene-symbol{position:absolute;inset:24px 20px 65px;display:flex;align-items:center;justify-content:center;font-size:62px;opacity:.72;filter:grayscale(.3)}
.subtitle{position:relative;background:rgba(11,10,7,.86);color:#fff;padding:8px 10px;font-size:12px;line-height:1.5;z-index:1}
.film-frame strong{position:relative;z-index:1;font-size:15px;margin-bottom:7px}
.hero-actions{display:flex;justify-content:center;gap:12px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:7px;padding:11px 20px;border:1px solid transparent;font-size:14px;cursor:pointer}
.btn-primary{background:var(--yellow);color:#16120a}
.btn-light{border-color:#68717e;color:#fff}
.section{padding:78px 0}
.section-head{text-align:center;max-width:700px;margin:0 auto 35px}
.section-head h2{font-size:32px;line-height:1.25;margin:0 0 10px}
.section-head p{color:var(--muted);margin:0}
.broker-grid,.tool-grid,.product-grid,.video-grid,.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.info-card,.broker-card,.tool-card,.product-card,.video-card,.feature-card{border:1px solid var(--line);border-radius:12px;background:#fff;padding:20px;box-shadow:0 8px 22px rgba(16,24,40,.04)}
.broker-card{display:flex;gap:14px;align-items:flex-start}
.broker-card img{width:52px;height:52px;object-fit:contain;border:1px solid var(--line);border-radius:8px}
.card-title{font-weight:700;margin:0 0 5px;font-size:16px}
.muted{color:var(--muted);font-size:13px}
.card-meta{display:flex;flex-wrap:wrap;gap:8px;color:#64748b;font-size:12px;margin-top:10px}
.card-meta span{background:#f3f6fb;padding:3px 7px;border-radius:4px}
.article-preview{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.article-item{display:grid;grid-template-columns:120px 1fr;gap:15px;border-bottom:1px solid var(--line);padding:13px 0}
.article-item img{width:120px;height:82px;object-fit:cover;border-radius:8px;background:#edf1f7}
.article-item h3{margin:0 0 4px;font-size:15px}
.article-item p{margin:0;color:var(--muted);font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-card img{width:100%;height:150px;object-fit:cover;border-radius:8px;background:#eef2f7;margin-bottom:12px}
.product-card h3{margin:0 0 6px}
.product-card p{color:var(--muted);font-size:13px;margin:0 0 8px}
.product-card small{color:#8993a4}
.tool-card{display:flex;gap:14px}
.tool-card img{width:46px;height:46px;object-fit:contain}
.video-card{padding:0;overflow:hidden}
.video-card .video-cover{height:150px;background:#15233c;display:flex;align-items:center;justify-content:center;color:#fff;font-size:30px}
.video-card .video-body{padding:15px}
.faq{max-width:800px;margin:auto}
.faq details{border-bottom:1px solid var(--line);padding:15px 0}
.faq summary{cursor:pointer;font-weight:700}
.cta{background:var(--theme);color:#fff;text-align:center;padding:62px 20px}
.cta h2{margin:0 0 10px;font-size:30px}
.cta p{color:#dbe8ff;margin:0 0 20px}
.footer{background:#0b1424;color:#b5c0d0;padding:54px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer h3{color:#fff;font-size:15px;margin:0 0 13px}
.footer p{font-size:13px;margin:7px 0}
.footer a{display:block;color:#b5c0d0;font-size:13px;margin:7px 0}
.footer a:hover{color:#fff}
.footer-brand strong{display:block;color:#fff;font-size:20px;margin-bottom:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:16px;font-size:12px;display:flex;justify-content:space-between;gap:15px}
@media(max-width:1000px){
  .main-nav{display:none}
  .header-btns .member-link{display:none}
  .hamburger{display:block}
  .header-inner{justify-content:space-between}
  .mega-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .container{width:min(100% - 28px,1180px)}
  .topbar{height:auto;padding:7px 0}
  .topbar .container{display:block;text-align:center}
  .topbar-links{justify-content:center;gap:12px;margin-top:2px}
  .hero-layout-35{padding:52px 0 60px}
  .hero-layout-35 h1{font-size:42px}
  .film-strip{grid-template-columns:repeat(5,190px);overflow-x:auto;margin:0 -14px;padding-left:14px;padding-right:14px}
  .film-frame{min-height:190px}
  .broker-grid,.tool-grid,.product-grid,.video-grid,.feature-grid{grid-template-columns:1fr}
  .article-preview{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
  .footer-bottom{display:block}
  .footer-bottom span{display:block;margin-top:7px}
}