:root{--theme:#0B3D91;--ink:#101828;--muted:#667085;--line:#e4e7ec;--paper:#f7f9fc;--sun:#ffd166;--orange:#ee7447;--purple:#3d255f;--dark:#111827}
    *{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:1.6}a{text-decoration:none;color:inherit}button{font:inherit}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#0d1b35;color:#dbe7ff;font-size:13px}.topbar .container{min-height:35px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar-links{display:flex;gap:20px;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:30px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--theme);white-space:nowrap}.logo img{width:34px;height:34px;object-fit:contain}.main-nav{flex:1}.nav-list{display:flex;align-items:center;justify-content:flex-end;gap:5px;padding:0;margin:0;list-style:none}.nav-item{position:relative}.nav-link{display:block;padding:25px 13px;font-size:14px;white-space:nowrap}.nav-link:hover,.nav-link:focus{color:var(--theme)}.has-arrow:after{content:"⌄";font-size:12px;margin-left:5px}.header-btns{display:flex;align-items:center;gap:12px;white-space:nowrap}.member-btn{padding:9px 14px;background:var(--theme);color:#fff;border-radius:7px;font-size:13px}.account-link{font-size:13px;color:var(--theme)}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 0px);left:50%;transform:translateX(-50%);opacity:0;visibility:hidden;pointer-events:none;background:#fff;border:1px solid var(--line);box-shadow:0 18px 45px rgba(16,24,40,.14);border-radius:0 0 12px 12px;padding:20px;transition:.2s;z-index:30}.dropdown-panel{width:300px}.mega-menu{width:760px}.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}.dropdown-panel:before,.mega-menu:before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px}.drop-title,.mega-title{font-size:12px;color:var(--muted);margin:0 0 10px}.drop-list{display:grid;gap:9px}.drop-list a{font-size:14px}.drop-list a:hover,.mega-card:hover strong{color:var(--theme)}.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mega-card{display:grid;grid-template-columns:46px 1fr;gap:10px;padding:10px;border:1px solid #edf0f5;border-radius:9px}.mega-card img{width:42px;height:42px;border-radius:8px;object-fit:cover}.mega-card strong{display:block;font-size:13px}.mega-card small{display:block;color:var(--muted);font-size:11px;line-height:1.45}.mega-footer{display:block;margin-top:14px;padding-top:12px;border-top:1px solid var(--line);color:var(--theme);font-size:13px}.mega-columns{display:grid;grid-template-columns:1fr 1fr;gap:22px}.mega-links{display:grid;gap:7px;font-size:13px}
    .hamburger{display:none;border:0;background:none;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{display:none;position:fixed;inset:0;background:rgba(9,20,39,.48);z-index:50}.drawer-overlay.open{display:block}.mobile-drawer{position:fixed;right:0;top:0;bottom:0;width:min(360px,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:14px;padding:20px;border-bottom:1px solid var(--line)}.drawer-head>a{color:var(--theme);font-size:14px}.drawer-close{margin-left:auto;border:0;background:none;font-size:28px;cursor:pointer}.drawer-menu{padding:10px 20px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid #eef1f5;background:none;text-align:left;font-size:15px;color:var(--ink)}.drawer-toggle:after{content:"＋";float:right;color:var(--muted)}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:5px 0 8px 14px}.drawer-submenu.open{display:grid}.drawer-submenu a{padding:7px 0;color:var(--muted);font-size:13px}
    .hero-layout-50{position:relative;overflow:hidden;background:linear-gradient(180deg,#33205a 0%,#6b305d 49%,#ed7046 100%);color:#fff;padding:72px 0 0;min-height:660px}.hero-layout-50:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 18%,rgba(255,209,102,.5),transparent 22%),radial-gradient(circle at 80% 20%,rgba(255,255,255,.14),transparent 20%);pointer-events:none}.hero-heading{position:relative;z-index:2;text-align:center;width:min(900px,calc(100% - 40px));margin:auto}.hero-kicker{display:inline-flex;padding:6px 13px;border:1px solid rgba(255,255,255,.35);border-radius:30px;color:#ffe9bd;font-size:13px}.hero-heading h1{font-size:clamp(36px,6vw,72px);line-height:1.08;margin:22px 0 15px;letter-spacing:-2px}.hero-heading p{max-width:680px;margin:0 auto;color:#ffe9d2;font-size:17px}.hero-actions{display:flex;justify-content:center;gap:12px;margin-top:25px}.hero-actions a{padding:11px 20px;border-radius:7px;font-size:14px}.hero-primary{background:var(--sun);color:#41243b;font-weight:700}.hero-secondary{border:1px solid rgba(255,255,255,.45);color:#fff}
    .skyline-wrap{position:relative;z-index:2;margin-top:60px}.chart-line{position:absolute;left:4%;right:4%;top:30px;height:130px;z-index:4;pointer-events:none}.chart-line polyline{fill:none;stroke:#ffd166;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 5px rgba(255,209,102,.6))}.chart-point{fill:#fff2a8;stroke:#b75b38;stroke-width:3}.chart-label{fill:#ffe8a0;font-size:12px;font-family:Arial,sans-serif}.skyline{height:250px;display:flex;align-items:flex-end;justify-content:center;gap:4px;padding:0 18px;background:linear-gradient(transparent,rgba(7,12,27,.15))}.building{position:relative;background:#111827;width:clamp(28px,6vw,78px);box-shadow:8px 0 0 rgba(17,24,39,.35)}.building:before{content:"";position:absolute;inset:18px 9px 10px;background:repeating-linear-gradient(90deg,transparent 0 8px,#ffd166 8px 12px,transparent 12px 20px),repeating-linear-gradient(0deg,transparent 0 12px,rgba(255,209,102,.88) 12px 16px,transparent 16px 27px);opacity:.8}.b1{height:100px}.b2{height:155px}.b3{height:125px}.b4{height:210px}.b5{height:180px}.b6{height:140px}.b7{height:235px}.b8{height:165px}.b9{height:115px}.b10{height:195px}.b11{height:145px}.b12{height:220px}.antenna:after{content:"";position:absolute;top:-34px;left:50%;width:2px;height:34px;background:#111827}
    .entry-lights{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;background:#0f172a;padding:18px 20px 24px}.entry-lights a{background:#24233d;border:1px solid rgba(255,209,102,.45);box-shadow:0 0 14px rgba(255,209,102,.12);color:#ffe59b;padding:8px 15px;border-radius:4px;font-size:13px}.entry-lights a:before{content:"●";color:#ffd166;margin-right:6px;font-size:10px}
    .section{padding:78px 0}.section.alt{background:var(--paper)}.section-head{text-align:center;margin-bottom:35px}.section-head .eyebrow{color:var(--theme);font-size:13px;font-weight:700}.section-head h2{font-size:32px;margin:8px 0}.section-head p{color:var(--muted);margin:0 auto;max-width:650px}.stats-grid,.feature-grid,.content-grid,.faq-grid{display:grid;gap:18px}.stats-grid{grid-template-columns:repeat(4,1fr)}.stat-card,.feature-card,.info-card,.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}.stat-card strong{display:block;font-size:29px;color:var(--theme)}.stat-card span{color:var(--muted);font-size:13px}.feature-grid{grid-template-columns:repeat(3,1fr)}.feature-card h3{margin:14px 0 7px;font-size:18px}.feature-card p,.info-card p{color:var(--muted);font-size:14px;margin:0}.feature-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:10px;background:#e9f0ff;color:var(--theme);font-size:21px}.content-grid{grid-template-columns:1.2fr .8fr;align-items:stretch}.article-preview{display:grid;grid-template-columns:130px 1fr;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}.article-preview img{width:130px;height:92px;border-radius:8px;object-fit:cover;background:#dfe7f3}.article-preview h3{font-size:16px;margin:0 0 5px}.article-preview p{font-size:13px;color:var(--muted);margin:0 0 5px}.meta{font-size:12px;color:#98a2b3}.tool-list{display:grid;gap:12px}.tool-row{display:flex;align-items:center;gap:12px;padding:13px;border:1px solid var(--line);border-radius:8px}.tool-row img{width:36px;height:36px;object-fit:contain}.tool-row strong{font-size:14px}.tool-row small{display:block;color:var(--muted)}.faq-grid{grid-template-columns:1fr 1fr}.faq-item h3{font-size:15px;margin:0 0 6px}.faq-item p{font-size:13px;color:var(--muted);margin:0}.cta{background:var(--theme);color:#fff;text-align:center;padding:60px 20px}.cta h2{margin:0 0 10px;font-size:30px}.cta p{color:#dce8ff}.cta a{display:inline-block;margin-top:15px;background:#fff;color:var(--theme);padding:11px 22px;border-radius:7px;font-weight:700}
    .footer{background:#101828;color:#cbd5e1;padding:50px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}.footer h3{color:#fff;font-size:15px;margin:0 0 14px}.footer p,.footer a{font-size:13px;color:#98a2b3}.footer a{display:block;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 #253044;margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#8490a5}
    @media(max-width:980px){.main-nav{display:none}.header-btns .account-link{display:none}.hamburger{display:block}.mega-menu{width:650px}.stats-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:640px){.container{width:min(100% - 28px,1180px)}.topbar .container{padding:7px 0;display:block}.topbar-links{gap:8px}.header-inner{height:66px;gap:10px}.logo{font-size:17px}.header-btns{margin-left:auto}.member-btn{font-size:12px;padding:8px 9px}.hero-layout-50{padding-top:52px;min-height:590px}.hero-heading h1{letter-spacing:-1px}.hero-heading p{font-size:15px}.skyline-wrap{margin-top:40px}.skyline{height:190px;padding:0 6px}.building{width:8vw}.chart-line{top:22px}.chart-label{font-size:9px}.entry-lights{gap:6px;padding:13px 8px 18px}.entry-lights a{font-size:11px;padding:7px 8px}.section{padding:54px 0}.section-head h2{font-size:26px}.feature-grid,.content-grid,.faq-grid{grid-template-columns:1fr}.stats-grid{gap:10px}.stat-card{padding:16px}.stat-card strong{font-size:23px}.article-preview{grid-template-columns:95px 1fr;gap:12px}.article-preview img{width:95px;height:75px}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.mega-menu,.dropdown-panel{display:none}}