:root{
      --theme:#0B3D91;
      --theme-token:{主题色};
      --theme-dark:#06275f;
      --theme-deep:#041a40;
      --theme-light:#eaf1fc;
      --accent:#d9a93d;
      --danger:#a6192e;
      --ink:#142033;
      --muted:#667085;
      --line:#e5e9f0;
      --surface:#ffffff;
      --soft:#f5f7fb;
      --radius:16px;
      --shadow:0 18px 50px rgba(14,31,53,.11);
      --container:1200px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#fff;
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      line-height:1.65;
      -webkit-font-smoothing:antialiased;
    }
    body.drawer-lock{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}

    .topbar{
      position:relative;
      z-index:101;
      color:#dce7fa;
      background:var(--theme-deep);
      border-bottom:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }
    .topbar-inner{
      min-height:36px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar-contact{display:flex;align-items:center;gap:22px}
    .topbar a{transition:color .2s ease}
    .topbar a:hover{color:#fff}

    .header{
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(255,255,255,.97);
      border-bottom:1px solid var(--line);
      box-shadow:0 5px 20px rgba(10,35,72,.05);
      backdrop-filter:blur(14px);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:26px;
    }
    .logo{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:11px;
      color:var(--theme-dark);
      font-size:19px;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{align-self:stretch;margin-left:auto}
    .nav-list{
      height:100%;
      display:flex;
      align-items:stretch;
      gap:2px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:center;
    }
    .nav-item::after{
      position:absolute;
      right:0;
      bottom:-10px;
      left:0;
      height:12px;
      content:"";
    }
    .nav-link{
      position:relative;
      display:flex;
      align-items:center;
      height:100%;
      padding:0 12px;
      color:#26354b;
      font-size:15px;
      font-weight:650;
      white-space:nowrap;
      transition:color .2s ease;
    }
    .nav-link::before{
      position:absolute;
      right:12px;
      bottom:0;
      left:12px;
      height:3px;
      content:"";
      background:var(--theme);
      border-radius:3px 3px 0 0;
      transform:scaleX(0);
      transition:transform .2s ease;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .nav-link:hover::before,.nav-item:focus-within>.nav-link::before{transform:scaleX(1)}
    .has-arrow::after{
      width:6px;
      height:6px;
      margin:-4px 0 0 8px;
      content:"";
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg);
      transition:transform .2s ease;
    }
    .nav-item:hover .has-arrow::after,.nav-item:focus-within .has-arrow::after{
      margin-top:3px;
      transform:rotate(225deg);
    }

    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      z-index:110;
      visibility:hidden;
      opacity:0;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 16px 16px;
      box-shadow:0 24px 55px rgba(6,31,72,.17);
      transform:translateY(10px);
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
      pointer-events:none;
    }
    .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;
      transform:translateY(0);
      pointer-events:auto;
    }
    .dropdown-panel{
      left:0;
      width:330px;
      padding:20px;
    }
    .dropdown-title{
      margin:0 0 12px;
      color:var(--theme);
      font-size:14px;
      font-weight:800;
    }
    .dropdown-list{display:grid;gap:4px}
    .dropdown-list a{
      overflow:hidden;
      padding:9px 10px;
      color:#3f4d61;
      border-radius:8px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .dropdown-list a:hover{color:var(--theme);background:var(--theme-light)}
    .dropdown-more,.mega-footer{
      display:flex;
      align-items:center;
      justify-content:space-between;
      margin-top:14px;
      padding:11px 13px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      font-weight:700;
    }
    .mega-menu{
      left:50%;
      width:min(900px,calc(100vw - 48px));
      padding:22px;
      transform:translate(-50%,10px);
    }
    .nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu{
      transform:translate(-50%,0);
    }
    .mega-videos,.mega-products{width:min(1000px,calc(100vw - 48px))}
    .mega-tools{width:min(840px,calc(100vw - 48px))}
    .mega-head{
      display:flex;
      align-items:baseline;
      justify-content:space-between;
      gap:20px;
      margin-bottom:16px;
      padding-bottom:13px;
      border-bottom:1px solid var(--line);
    }
    .mega-head strong{color:var(--theme-dark);font-size:17px}
    .mega-head span{color:var(--muted);font-size:13px}
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      padding:14px;
      background:#f8faff;
      border:1px solid #e6ecf6;
      border-radius:12px;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      border-color:#b9cae8;
      box-shadow:0 10px 24px rgba(11,61,145,.1);
      transform:translateY(-2px);
    }
    .mega-card>img:not(.cover){
      width:36px;
      height:36px;
      margin-bottom:9px;
      object-fit:contain;
      border-radius:8px;
    }
    .mega-card .cover{
      width:100%;
      height:90px;
      margin-bottom:10px;
      object-fit:cover;
      border-radius:8px;
      background:#dfe6f2;
    }
    .mega-card strong{
      display:block;
      overflow:hidden;
      color:#17243a;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card p{
      display:-webkit-box;
      overflow:hidden;
      margin:6px 0 0;
      color:var(--muted);
      font-size:12px;
      line-height:1.55;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
    }
    .mega-meta{
      display:flex;
      flex-wrap:wrap;
      gap:5px 10px;
      margin-top:8px;
      color:#68768c;
      font-size:11px;
    }
    .mega-categories{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:15px;
    }
    .mega-categories a{
      padding:7px 11px;
      color:var(--theme);
      background:var(--theme-light);
      border:1px solid #d6e2f6;
      border-radius:999px;
      font-size:12px;
      font-weight:700;
    }
    .mega-footer{justify-content:center}
    .mega-footer:hover,.dropdown-more:hover{background:var(--theme-dark)}

    .header-btns{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:9px;
    }
    .member-entry{display:flex;align-items:center}
    .member-entry a,.account-entry{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 14px;
      border-radius:9px;
      font-size:14px;
      font-weight:750;
      white-space:nowrap;
    }
    .member-entry a{
      color:var(--theme);
      border:1px solid #c8d6ee;
      background:#fff;
    }
    .account-entry{
      color:#fff;
      background:var(--theme);
      box-shadow:0 8px 18px rgba(11,61,145,.2);
    }
    .member-entry a:hover{background:var(--theme-light)}
    .account-entry:hover{background:var(--theme-dark)}
    .hamburger{
      display:none;
      width:42px;
      height:42px;
      padding:9px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:9px;
    }
    .hamburger span{
      display:block;
      width:21px;
      height:2px;
      margin:4px auto;
      background:var(--theme-dark);
      border-radius:2px;
      transition:transform .2s ease,opacity .2s ease;
    }
    .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;
      z-index:150;
      visibility:hidden;
      opacity:0;
      background:rgba(3,16,38,.6);
      transition:opacity .25s ease,visibility .25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      z-index:151;
      width:min(390px,88vw);
      height:100vh;
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 60px rgba(0,0,0,.2);
      transform:translateX(105%);
      transition:transform .25s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      position:sticky;
      top:0;
      z-index:2;
      display:flex;
      align-items:center;
      gap:9px;
      min-height:70px;
      padding:12px 18px;
      background:#fff;
      border-bottom:1px solid var(--line);
    }
    .drawer-head>a,.drawer-head>div a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 12px;
      color:#fff;
      background:var(--theme);
      border-radius:8px;
      font-size:13px;
      font-weight:750;
    }
    .drawer-close{
      width:40px;
      height:40px;
      margin-left:auto;
      color:#334155;
      background:#f2f5f9;
      border:0;
      border-radius:9px;
      font-size:27px;
      line-height:1;
    }
    .drawer-menu{padding:14px 18px 30px}
    .drawer-link,.drawer-toggle{
      width:100%;
      display:flex;
      align-items:center;
      min-height:48px;
      padding:0 12px;
      color:#203047;
      background:transparent;
      border:0;
      border-bottom:1px solid #edf0f5;
      text-align:left;
      font-weight:750;
    }
    .drawer-toggle{justify-content:space-between}
    .drawer-toggle::after{
      width:8px;
      height:8px;
      content:"";
      border-right:2px solid #728097;
      border-bottom:2px solid #728097;
      transform:rotate(45deg);
      transition:transform .2s ease;
    }
    .drawer-toggle.active::after{transform:rotate(225deg)}
    .drawer-submenu{
      display:none;
      padding:7px 0 9px 16px;
      background:#f7f9fc;
      border-radius:0 0 10px 10px;
    }
    .drawer-submenu.open{display:grid}
    .drawer-submenu a{
      padding:9px 12px;
      color:#536176;
      border-left:2px solid #d8e1ef;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--theme);border-left-color:var(--theme)}

    .about-page{overflow:hidden;background:#fff}
    .about-page .about-hero{
      position:relative;
      padding:92px 0 104px;
      color:#fff;
      background:
        radial-gradient(circle at 18% 20%,rgba(217,169,61,.2),transparent 27%),
        radial-gradient(circle at 85% 75%,rgba(44,98,184,.38),transparent 31%),
        linear-gradient(135deg,var(--theme-deep),var(--theme) 58%,#102a57);
    }
    .about-page .about-hero::before{
      position:absolute;
      inset:0;
      content:"";
      opacity:.15;
      background-image:
        linear-gradient(rgba(255,255,255,.18) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.18) 1px,transparent 1px);
      background-size:54px 54px;
      mask-image:linear-gradient(to bottom,#000,transparent);
    }
    .about-page .about-hero::after{
      position:absolute;
      right:-100px;
      bottom:-170px;
      width:440px;
      height:440px;
      content:"";
      border:1px solid rgba(255,255,255,.18);
      border-radius:50%;
      box-shadow:0 0 0 50px rgba(255,255,255,.035),0 0 0 100px rgba(255,255,255,.025);
    }
    .about-page .hero-inner{
      position:relative;
      z-index:1;
      max-width:880px;
      margin:auto;
      text-align:center;
    }
    .about-page .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      margin-bottom:20px;
      padding:7px 14px;
      color:#ffe4a2;
      background:rgba(0,0,0,.18);
      border:1px solid rgba(255,220,139,.35);
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      letter-spacing:.1em;
    }
    .about-page .eyebrow::before{
      width:7px;
      height:7px;
      content:"";
      background:var(--accent);
      border-radius:50%;
      box-shadow:0 0 0 5px rgba(217,169,61,.16);
    }
    .about-page .about-hero h1{
      margin:0;
      font-size:clamp(38px,6vw,68px);
      line-height:1.12;
      letter-spacing:-.045em;
    }
    .about-page .about-hero p{
      max-width:760px;
      margin:23px auto 0;
      color:#dbe7fb;
      font-size:18px;
      line-height:1.9;
    }
    .about-page .hero-actions{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:12px;
      margin-top:32px;
    }
    .about-page .hero-button{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:0 22px;
      border:1px solid rgba(255,255,255,.26);
      border-radius:10px;
      font-weight:800;
    }
    .about-page .hero-button.primary{
      color:var(--theme-deep);
      background:var(--accent);
      border-color:var(--accent);
    }
    .about-page .hero-button.secondary{color:#fff;background:rgba(255,255,255,.08)}
    .about-page .hero-button:hover{transform:translateY(-2px)}

    .about-page .principles{
      position:relative;
      z-index:3;
      margin-top:-42px;
    }
    .about-page .principle-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:var(--shadow);
    }
    .about-page .principle-item{
      position:relative;
      padding:28px 25px;
    }
    .about-page .principle-item+.principle-item{border-left:1px solid var(--line)}
    .about-page .principle-number{
      display:block;
      margin-bottom:8px;
      color:var(--accent);
      font-size:13px;
      font-weight:900;
      letter-spacing:.1em;
    }
    .about-page .principle-item strong{
      display:block;
      color:var(--theme-dark);
      font-size:19px;
    }
    .about-page .principle-item p{margin:8px 0 0;color:var(--muted);font-size:14px}

    .about-page .section{padding:92px 0}
    .about-page .section-soft{background:var(--soft)}
    .about-page .section-heading{
      max-width:750px;
      margin:0 auto 42px;
      text-align:center;
    }
    .about-page .section-heading .kicker{
      display:block;
      margin-bottom:9px;
      color:var(--theme);
      font-size:13px;
      font-weight:900;
      letter-spacing:.12em;
    }
    .about-page .section-heading h2{
      margin:0;
      color:#10213b;
      font-size:clamp(29px,4vw,43px);
      line-height:1.2;
      letter-spacing:-.035em;
    }
    .about-page .section-heading p{margin:16px 0 0;color:var(--muted);font-size:16px}

    .about-page .mission-panel{
      position:relative;
      max-width:1000px;
      margin:auto;
      padding:48px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      box-shadow:0 16px 50px rgba(12,38,77,.08);
    }
    .about-page .mission-panel::before{
      position:absolute;
      top:24px;
      bottom:24px;
      left:0;
      width:5px;
      content:"";
      background:linear-gradient(var(--accent),var(--theme));
      border-radius:0 5px 5px 0;
    }
    .about-page .mission-quote{
      margin:0;
      color:var(--theme-dark);
      font-size:clamp(24px,3.3vw,37px);
      font-weight:850;
      line-height:1.45;
      letter-spacing:-.025em;
    }
    .about-page .mission-copy{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:34px;
      margin-top:28px;
      padding-top:28px;
      border-top:1px solid var(--line);
    }
    .about-page .mission-copy p{margin:0;color:#59677b}

    .about-page .service-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .about-page .service-card{
      position:relative;
      min-height:230px;
      padding:28px;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    }
    .about-page .service-card:hover{
      border-color:#bfd0eb;
      box-shadow:0 18px 40px rgba(11,61,145,.11);
      transform:translateY(-5px);
    }
    .about-page .service-icon{
      display:grid;
      place-items:center;
      width:48px;
      height:48px;
      margin-bottom:22px;
      color:#fff;
      background:var(--theme);
      border-radius:13px;
      font-size:20px;
      font-weight:900;
      box-shadow:0 10px 22px rgba(11,61,145,.2);
    }
    .about-page .service-card h3{margin:0;color:#14243d;font-size:20px}
    .about-page .service-card p{margin:10px 0 0;color:var(--muted);font-size:14px}
    .about-page .service-link{
      display:inline-flex;
      margin-top:17px;
      color:var(--theme);
      font-size:14px;
      font-weight:800;
    }
    .about-page .service-card::after{
      position:absolute;
      right:-25px;
      bottom:-36px;
      width:100px;
      height:100px;
      content:"";
      border:16px solid var(--theme-light);
      border-radius:50%;
    }

    .about-page .method-track{
      position:relative;
      max-width:940px;
      margin:auto;
    }
    .about-page .method-track::before{
      position:absolute;
      top:16px;
      bottom:16px;
      left:50%;
      width:2px;
      content:"";
      background:linear-gradient(var(--theme),#c7d5eb,var(--accent));
      transform:translateX(-50%);
    }
    .about-page .method-step{
      position:relative;
      display:grid;
      grid-template-columns:1fr 74px 1fr;
      align-items:center;
      margin-bottom:25px;
    }
    .about-page .method-step:last-child{margin-bottom:0}
    .about-page .method-step:nth-child(odd) .method-card{grid-column:1}
    .about-page .method-step:nth-child(even) .method-card{grid-column:3}
    .about-page .method-step:nth-child(odd) .method-dot{grid-column:2}
    .about-page .method-step:nth-child(even) .method-dot{grid-column:2;grid-row:1}
    .about-page .method-card{
      padding:24px 26px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:0 10px 30px rgba(14,35,68,.06);
    }
    .about-page .method-card span{color:var(--theme);font-size:12px;font-weight:900}
    .about-page .method-card h3{margin:5px 0 7px;font-size:19px}
    .about-page .method-card p{margin:0;color:var(--muted);font-size:14px}
    .about-page .method-dot{
      position:relative;
      z-index:1;
      display:grid;
      place-items:center;
      width:42px;
      height:42px;
      margin:auto;
      color:#fff;
      background:var(--theme);
      border:7px solid #e4ecf9;
      border-radius:50%;
      font-size:12px;
      font-weight:900;
    }

    .about-page .trust-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:20px;
    }
    .about-page .trust-card{
      padding:30px;
      color:#dce8fb;
      background:linear-gradient(145deg,#071e47,#0b3d91);
      border:1px solid rgba(255,255,255,.08);
      border-radius:18px;
    }
    .about-page .trust-card strong{
      display:block;
      color:#f5cb70;
      font-size:22px;
    }
    .about-page .trust-card p{margin:11px 0 0;color:#d6e1f4;font-size:14px}

    .about-page .risk-note{
      display:flex;
      align-items:flex-start;
      gap:17px;
      max-width:1000px;
      margin:46px auto 0;
      padding:24px 27px;
      background:#fff9eb;
      border:1px solid #f2db9c;
      border-radius:14px;
    }
    .about-page .risk-mark{
      flex:0 0 38px;
      display:grid;
      place-items:center;
      width:38px;
      height:38px;
      color:#fff;
      background:#aa7916;
      border-radius:50%;
      font-weight:900;
    }
    .about-page .risk-note strong{display:block;color:#62440d}
    .about-page .risk-note p{margin:5px 0 0;color:#765b28;font-size:14px}

    .about-page .about-cta{padding:0 0 92px}
    .about-page .cta-panel{
      position:relative;
      overflow:hidden;
      padding:55px 44px;
      color:#fff;
      background:linear-gradient(125deg,var(--theme-deep),var(--theme));
      border-radius:24px;
      text-align:center;
      box-shadow:0 25px 60px rgba(6,39,95,.2);
    }
    .about-page .cta-panel::before,.about-page .cta-panel::after{
      position:absolute;
      width:220px;
      height:220px;
      content:"";
      border:1px solid rgba(255,255,255,.15);
      border-radius:50%;
    }
    .about-page .cta-panel::before{top:-125px;left:-65px}
    .about-page .cta-panel::after{right:-65px;bottom:-145px}
    .about-page .cta-panel h2{position:relative;margin:0;font-size:clamp(28px,4vw,42px)}
    .about-page .cta-panel p{
      position:relative;
      max-width:690px;
      margin:15px auto 26px;
      color:#d9e5f7;
    }
    .about-page .cta-links{
      position:relative;
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:12px;
    }
    .about-page .cta-links a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 20px;
      background:#fff;
      color:var(--theme);
      border-radius:9px;
      font-weight:850;
    }
    .about-page .cta-links a:last-child{
      color:#fff;
      background:transparent;
      border:1px solid rgba(255,255,255,.4);
    }

    .footer{
      color:#cfd9e9;
      background:#061a3c;
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr 1fr;
      gap:50px;
      padding-top:62px;
      padding-bottom:48px;
    }
    .footer .logo{color:#fff}
    .footer .logo img{background:#fff}
    .footer-brand p{
      max-width:380px;
      margin:19px 0 0;
      color:#9fb0c9;
      font-size:14px;
    }
    .footer h3{
      margin:5px 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer-links,.footer-contact{display:grid;gap:9px}
    .footer-links a,.footer-contact a{
      color:#adbbcf;
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover,.footer-contact a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .footer-social{
      margin-top:5px;
      color:#adbbcf;
      font-size:14px;
      overflow-wrap:anywhere;
    }
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
    .footer-bottom-inner{
      min-height:62px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:#91a2ba;
      font-size:13px;
    }

    @media (max-width:1120px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .about-page .service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-main{grid-template-columns:1.3fr 1fr 1fr;gap:36px}
      .footer-brand{grid-column:1/-1}
    }

    @media (max-width:760px){
      .container{width:min(100% - 28px,var(--container))}
      .topbar-inner{min-height:40px}
      .topbar-inner>span{display:none}
      .topbar-contact{width:100%;justify-content:space-between;gap:10px}
      .header-inner{min-height:66px;gap:10px}
      .header .logo span{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
      .header .logo img{width:37px;height:37px}
      .member-entry,.account-entry{display:none}
      .about-page .about-hero{padding:70px 0 90px}
      .about-page .about-hero p{font-size:16px}
      .about-page .principle-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .about-page .principle-item{padding:22px 20px}
      .about-page .principle-item+.principle-item{border-left:0}
      .about-page .principle-item:nth-child(even){border-left:1px solid var(--line)}
      .about-page .principle-item:nth-child(n+3){border-top:1px solid var(--line)}
      .about-page .section{padding:70px 0}
      .about-page .mission-panel{padding:32px 27px}
      .about-page .mission-copy{grid-template-columns:1fr;gap:16px}
      .about-page .service-grid,.about-page .trust-grid{grid-template-columns:1fr}
      .about-page .method-track::before{left:21px}
      .about-page .method-step{
        grid-template-columns:44px minmax(0,1fr);
        gap:12px;
      }
      .about-page .method-step:nth-child(odd) .method-card,
      .about-page .method-step:nth-child(even) .method-card{
        grid-column:2;
        grid-row:1;
      }
      .about-page .method-step:nth-child(odd) .method-dot,
      .about-page .method-step:nth-child(even) .method-dot{
        grid-column:1;
        grid-row:1;
      }
      .about-page .method-dot{width:42px}
      .about-page .risk-note{padding:20px}
      .about-page .cta-panel{padding:43px 22px}
      .footer-main{grid-template-columns:1fr 1fr;gap:34px 24px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom-inner{
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        padding:16px 0;
      }
    }

    @media (max-width:480px){
      .topbar-contact{font-size:11px}
      .about-page .hero-actions,.about-page .cta-links{flex-direction:column}
      .about-page .hero-button,.about-page .cta-links a{width:100%}
      .about-page .principle-grid{grid-template-columns:1fr}
      .about-page .principle-item:nth-child(even){border-left:0}
      .about-page .principle-item+.principle-item{border-top:1px solid var(--line)}
      .about-page .service-card{min-height:auto}
      .footer-main{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }