:root{--theme:#0B3D91;--ink:#10213d;--muted:#64748b;--line:#dbe5f1;--soft:#f3f7fc;--white:#fff;--accent:#e83e8c;--dark:#081525}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f7faff;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}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:var(--dark);color:#b9c7da;font-size:13px}.topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar-contact{display:flex;gap:22px}.topbar a:hover{color:#fff}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}.header-inner{min-height:76px;display:flex;align-items:center;gap:28px}.logo{display:flex;align-items:center;gap:10px;white-space:nowrap;color:var(--ink);font-weight:800;font-size:20px}.logo img{width:36px;height:36px;object-fit:contain}.main-nav{margin-left:auto}.nav-list{display:flex;align-items:stretch;gap:4px;padding:0;margin:0;list-style:none}.nav-item{position:relative}.nav-link{display:flex;align-items:center;padding:25px 13px;font-size:15px;font-weight:600;white-space:nowrap}.nav-link:hover,.nav-link:focus{color:var(--theme)}.has-arrow:after{content:"";width:7px;height:7px;margin-left:8px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translate(-50%,8px);opacity:0;visibility:hidden;pointer-events:none;background:#fff;border:1px solid var(--line);box-shadow:0 18px 45px #0b25401c;border-radius:0 0 14px 14px;transition:.2s ease}.dropdown-panel{width:260px;padding:12px}.dropdown-panel a{display:block;padding:9px 12px;border-radius:8px;font-size:14px}.dropdown-panel a:hover{background:var(--soft);color:var(--theme)}.dropdown-all,.mega-footer{color:var(--theme)!important;font-weight:700;border-top:1px solid var(--line);margin-top:8px;padding-top:13px!important}.mega-menu{width:min(960px,calc(100vw - 30px));padding:22px}.mega-host:hover .mega-menu,.mega-host:focus-within .mega-menu,.nav-item:hover .dropdown-panel,.nav-item:focus-within .dropdown-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.mega-menu:before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}.mega-title{margin:0 0 13px;color:var(--muted);font-size:13px;font-weight:700}.mega-grid{display:grid;gap:10px}.mega-grid-6{grid-template-columns:repeat(3,1fr)}.mega-grid-3{grid-template-columns:repeat(3,1fr)}.mega-card{display:flex;gap:10px;min-height:70px;padding:10px;border:1px solid var(--line);border-radius:10px;background:#fbfdff}.mega-card:hover{border-color:var(--theme);background:#f5f8ff}.mega-card img{width:42px;height:42px;object-fit:cover;border-radius:7px;flex:0 0 auto}.mega-card span{min-width:0}.mega-card strong,.mega-card small{display:block;overflow:hidden;text-overflow:ellipsis}.mega-card strong{font-size:13px;white-space:nowrap}.mega-card small{color:var(--muted);font-size:11px;line-height:1.5}.mega-split{display:grid;grid-template-columns:180px 1fr;gap:24px}.mega-categories{display:grid;gap:7px}.mega-categories a{padding:7px 10px;border-radius:7px;background:var(--soft);font-size:13px}.mega-categories a:hover{background:#e4edff;color:var(--theme)}.mega-footer{display:block;margin-top:17px;padding-bottom:0!important;text-align:right}
    .header-btns{display:flex;align-items:center;gap:12px}.header-account{font-size:13px;color:var(--theme);font-weight:700}.header-open{padding:9px 16px;border-radius:8px;background:var(--theme);color:#fff;font-size:13px;font-weight:700}.header-open:hover{background:#082e70}.hamburger{display:none;border:0;background:transparent;padding:8px;cursor:pointer}.hamburger span{display:block;width:24px;height:2px;margin:5px 0;background:var(--ink);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:#06132699;opacity:0;visibility:hidden;z-index:40;transition:.25s}.drawer-overlay.open{opacity:1;visibility:visible}.mobile-drawer{position:fixed;right:0;top:0;bottom:0;width:min(380px,88vw);background:#fff;z-index:41;transform:translateX(100%);transition:.25s;overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{height:70px;display:flex;align-items:center;gap:17px;padding:0 20px;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:30px;color:var(--muted);cursor:pointer}.drawer-menu{padding:12px 20px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 4px;border:0;border-bottom:1px solid #edf1f6;background:none;text-align:left;font:inherit;color:var(--ink);cursor:pointer}.drawer-toggle:after{content:"＋";float:right;color:var(--muted)}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:5px 0 8px 16px}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}.drawer-submenu a:hover{color:var(--theme)}
    .footer{margin-top:70px;background:var(--dark);color:#c9d5e5;padding:54px 0 20px}.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}.footer .logo{color:#fff}.footer-brand p{max-width:330px;color:#9eafc6;font-size:13px}.footer-search{display:inline-block;color:#8db4ff;font-size:13px}.footer h3{margin:0 0 16px;color:#fff;font-size:15px}.footer-links{display:grid;gap:8px;font-size:13px}.footer-links a:hover,.footer-contact a:hover{color:#fff}.footer-contact{display:grid;gap:9px;font-size:13px}.footer-contact strong{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:25px;margin-top:42px;padding-top:18px;border-top:1px solid #26364d;color:#8294ad;font-size:12px}.risk-note{max-width:650px;text-align:right}
    .about-page{overflow:hidden}.about-hero{padding:78px 0 70px;background:linear-gradient(135deg,#071a35 0%,#0B3D91 58%,#2465c2 100%);color:#fff;position:relative}.about-hero:after{content:"";position:absolute;width:480px;height:480px;border:1px solid #ffffff2e;border-radius:50%;right:-110px;top:-210px;box-shadow:0 0 0 35px #ffffff08,0 0 0 70px #ffffff05}.eyebrow{display:inline-flex;align-items:center;gap:9px;color:#a9c7ff;font-size:13px;font-weight:700;letter-spacing:2px}.eyebrow:before{content:"";width:28px;height:2px;background:var(--accent)}.about-hero h1{max-width:720px;margin:16px 0 13px;font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:-2px}.about-hero p{max-width:650px;margin:0;color:#d7e5ff;font-size:17px}.about-crumb{margin-top:30px;color:#a9c7ff;font-size:13px}.about-section{padding:76px 0}.section-head{max-width:680px;margin-bottom:34px}.section-head h2{margin:8px 0 10px;font-size:34px;line-height:1.25}.section-head p{margin:0;color:var(--muted)}.story-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:start}.story-copy p{margin:0 0 18px;color:#4c607a}.fact-panel{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.fact-card{padding:25px 22px;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:0 10px 30px #0b3d910a}.fact-card strong{display:block;color:var(--theme);font-size:31px;line-height:1.1}.fact-card span{display:block;margin-top:6px;color:var(--muted);font-size:13px}.values-section{background:#edf4ff}.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.value-card{padding:30px;background:#fff;border-radius:16px;border:1px solid #dce8f8}.value-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#e5efff;color:var(--theme);font-weight:800}.value-card h3{margin:19px 0 8px;font-size:19px}.value-card p{margin:0;color:var(--muted);font-size:14px}.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.timeline:before{content:"";position:absolute;left:7%;right:7%;top:17px;height:2px;background:#c8d9f3}.timeline-item{position:relative;padding-top:46px}.timeline-dot{position:absolute;top:8px;left:0;width:20px;height:20px;border:5px solid #d7e6fb;border-radius:50%;background:var(--theme);z-index:1}.timeline-item h3{margin:0 0 7px;font-size:17px}.timeline-item p{margin:0;color:var(--muted);font-size:13px}.trust-box{padding:38px 44px;border-radius:20px;background:linear-gradient(120deg,#102b54,#0B3D91);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px}.trust-box h2{margin:0 0 8px;font-size:26px}.trust-box p{margin:0;color:#cbdcff;font-size:14px}.trust-btn{flex:0 0 auto;padding:12px 22px;border-radius:9px;background:#fff;color:var(--theme);font-weight:700}.trust-btn:hover{background:#e8f0ff}
    @media(max-width:1080px){.main-nav{display:none}.header-btns{margin-left:auto}.hamburger{display:block}.footer-main{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:760px){.container{width:min(100% - 28px,560px)}.topbar-inner{padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}.topbar-contact{gap:14px}.header-inner{min-height:66px}.header-account{display:none}.header-open{padding:8px 12px}.about-hero{padding:58px 0 52px}.about-hero h1{letter-spacing:-1px}.about-hero p{font-size:15px}.about-section{padding:52px 0}.section-head h2{font-size:28px}.story-grid,.value-grid{grid-template-columns:1fr}.fact-panel{margin-top:8px}.timeline{grid-template-columns:1fr 1fr;gap:25px}.timeline:before{display:none}.trust-box{padding:28px 24px;display:block}.trust-btn{display:inline-block;margin-top:22px}.footer{margin-top:45px;padding-top:40px}.footer-main{grid-template-columns:1fr 1fr;gap:30px 18px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block;margin-top:30px}.risk-note{margin-top:10px;text-align:left}.mega-split{grid-template-columns:1fr}.mega-grid-6,.mega-grid-3{grid-template-columns:1fr 1fr}}