:root{--primary:#26A9E0;--secondary:#FFFFFF;--login:#EA7C07;--bg:#FFFFFF;--text-dark:#000000;--text-muted:#4a4a4a;--header-offset:122px}*{box-sizing:border-box}body{margin:0;padding-top:var(--header-offset);overflow-x:hidden;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text-dark)}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;background:var(--secondary);box-shadow:0 4px 18px rgba(0,0,0,.16);border-bottom:1px solid rgba(38,169,224,.25)}.header-top{min-height:68px;height:68px;display:flex;align-items:center;overflow:hidden;width:100%;background:var(--primary);box-sizing:border-box}.header-container{width:100%;height:100%;max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-left:28px;padding-right:28px;box-sizing:border-box}.logo{display:block;flex-shrink:0;color:#FFFFFF;font-size:26px;font-weight:800;letter-spacing:.5px;text-decoration:none;text-transform:none;line-height:1;text-shadow:0 2px 6px rgba(0,0,0,.18)}.logo img{display:block;max-height:60px;height:auto;width:auto;max-width:280px;object-fit:contain}.desktop-nav-buttons{display:flex;gap:12px;align-items:center;flex-shrink:0}.mobile-nav-buttons{display:none;min-height:48px}.main-nav{min-height:52px;height:52px;display:flex;align-items:center;overflow:hidden;width:100%;background:#0F7FB3;box-sizing:border-box}.nav-container{width:100%;height:100%;max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px;box-sizing:border-box;position:relative}.nav-menu{list-style:none;margin:0;padding:0;display:flex;flex-direction:row;justify-content:center;align-items:center;gap:2px;height:100%;flex-wrap:nowrap}.nav-menu li{display:flex;height:100%}.nav-link{display:flex;align-items:center;height:100%;padding:0 11px;color:#FFFFFF;text-decoration:none;font-size:14px;font-weight:600;white-space:nowrap;border-radius:0;transition:background .2s ease,color .2s ease;position:relative}.nav-link:hover,.nav-link.active{background:rgba(255,255,255,.16);color:#FFFFFF}.nav-link.active::after{content:'';position:absolute;left:11px;right:11px;bottom:0;height:3px;background:var(--login);border-radius:2px 2px 0 0}.hamburger-menu{display:none;position:relative;width:44px;height:44px;background:transparent;border:0;cursor:pointer;padding:0;flex-shrink:0;z-index:1001}.hamburger-menu span{position:absolute;left:10px;right:10px;height:3px;background:#FFFFFF;border-radius:2px;transition:transform .3s ease,opacity .3s ease,top .3s ease}.hamburger-menu span:nth-child(1){top:13px}.hamburger-menu span:nth-child(2){top:21px}.hamburger-menu span:nth-child(3){top:29px}.hamburger-menu.active span:nth-child(1){top:21px;transform:rotate(45deg)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){top:21px;transform:rotate(-45deg)}.nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:999;opacity:0;transition:opacity .3s ease}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:700;border-radius:8px;padding:10px 20px;font-size:14px;line-height:1.2;cursor:pointer;border:0;box-shadow:0 3px 10px rgba(0,0,0,.2);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;white-space:nowrap;box-sizing:border-box}.btn:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 5px 14px rgba(0,0,0,.25)}.btn-login{background:var(--login);color:#FFFFFF;border:1px solid rgba(255,255,255,.35)}.btn-register{background:#0A5F87;color:#FFFFFF;border:1px solid rgba(255,255,255,.35)}@media(max-width:768px){:root{--header-offset:110px}.header-top{min-height:60px !important;height:60px !important}.header-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;position:relative}.logo{flex:1 !important;display:flex !important;justify-content:center !important;align-items:center !important;font-size:22px}.logo img{display:block !important;max-width:100%;height:auto;max-height:56px !important}.desktop-nav-buttons{display:none !important}.mobile-nav-buttons{display:flex !important;min-height:48px;align-items:center;justify-content:center;width:100%;max-width:100%;box-sizing:border-box;padding:6px 15px;overflow:hidden;gap:10px;flex-wrap:nowrap;background:var(--primary);border-top:1px solid rgba(255,255,255,.18)}.mobile-nav-buttons .btn{flex:1;min-width:0;max-width:calc(50% - 5px);box-sizing:border-box;padding:8px 12px;font-size:13px;white-space:normal;word-wrap:break-word;overflow-wrap:break-word}.main-nav{min-height:48px !important;height:48px !important;background:#0F7FB3}.nav-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;justify-content:flex-start}.hamburger-menu{display:block}.nav-menu{display:none;position:fixed;top:0;left:0;bottom:0;width:82%;max-width:320px;height:100vh;background:#0B3E57;flex-direction:column;justify-content:flex-start;align-items:stretch;gap:0;padding:80px 0 24px;margin:0;overflow-y:auto;transform:translateX(-100%);transition:transform .3s ease;z-index:1001;box-shadow:6px 0 24px rgba(0,0,0,.35)}.nav-menu.active{display:flex;transform:translateX(0)}.nav-menu li{height:auto;display:block;border-bottom:1px solid rgba(255,255,255,.1)}.nav-link{padding:14px 22px;height:auto;font-size:15px;border-radius:0;justify-content:flex-start}.nav-link.active::after{display:none}.nav-overlay.active{display:block;opacity:1}.page-content img{max-width:100% !important;height:auto !important;display:block}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}}.site-footer{background:#0B3E57;color:#FFFFFF;padding:44px 0 0;margin-top:40px;font-size:14px}.footer-container{max-width:1200px;margin:0 auto;padding:0 24px;box-sizing:border-box}.footer-slot-anchor,.footer-slot-anchor-inner{display:block;width:100%}.footer-top-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.14)}.footer-col{min-width:0}.footer-logo{display:inline-block;color:#FFFFFF;font-size:24px;font-weight:800;text-decoration:none;letter-spacing:.5px;margin-bottom:12px}.footer-description{color:#D6EAF3;line-height:1.65;margin:0 0 12px;font-size:13.5px;word-wrap:break-word;overflow-wrap:break-word}.footer-heading{font-size:15px;font-weight:700;color:#FFFFFF;margin:0 0 14px;position:relative;padding-bottom:8px}.footer-heading::after{content:'';position:absolute;left:0;bottom:0;width:36px;height:3px;background:var(--login);border-radius:2px}.footer-nav{list-style:none;margin:0;padding:0}.footer-nav li{margin-bottom:9px}.footer-nav a{color:#D6EAF3;text-decoration:none;font-size:13.5px;transition:color .2s ease;display:inline-block}.footer-nav a:hover{color:#FFFFFF;text-decoration:underline}.footer-dynamic-col{display:block}.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:24px 0}.footer-mid-cell{min-width:0}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:18px 0;text-align:center;font-size:13px;color:#BFDCE9}.footer-bottom p{margin:0}@media(max-width:768px){.site-footer{padding-top:32px}.footer-container{padding:0 16px}.footer-top-grid{grid-template-columns:1fr;gap:24px;padding-bottom:22px}.footer-mid-grid{grid-template-columns:repeat(2,1fr);gap:14px}.footer-logo{font-size:22px}.footer-heading{margin-bottom:10px}.footer-nav a{font-size:14px;padding:2px 0}}
/* 移动端内容区防溢出（系统追加，请勿删除） */
@media (max-width: 768px) {
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}
/* 内容保护（系统追加，请勿删除） */
body {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
input, textarea, select, [contenteditable="true"] {
  -webkit-user-select: text;
  -moz-user-select: text;
  user-select: text;
}