.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,0.8);min-height:auto;background:#08160F}.header-top{background:linear-gradient(90deg,#0A4B2C,#11A84E);width:100%}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:10px 30px;gap:20px}.logo{font-size:30px;font-weight:800;color:#F2FFF6;text-decoration:none;text-transform:uppercase;letter-spacing:2px;display:inline-block;text-shadow:0 0 15px rgba(87,227,141,0.5);white-space:nowrap}.logo:hover{color:#57E38D}.desktop-nav-buttons{display:flex;align-items:center;gap:12px}.main-nav{background:#08160F;width:100%;display:flex;border-top:1px solid #1E3A2A}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:8px 20px;gap:4px;flex-wrap:wrap}.nav-link{color:#A7D9B8;font-size:14px;font-weight:600;text-decoration:none;padding:8px 14px;border-radius:6px;transition:all 0.3s ease;white-space:nowrap;line-height:1.4;display:inline-block}.nav-link:hover{color:#57E38D;background:rgba(17,168,78,0.15)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 20px;border-radius:8px;font-size:15px;font-weight:700;text-decoration:none;cursor:pointer;transition:all 0.3s ease;border:1px solid transparent;line-height:1.4;white-space:nowrap;text-align:center}.btn-register{background:linear-gradient(180deg,#2AD16F 0%,#13994A 100%);color:#08160F;border:none}.btn-register:hover{transform:translateY(-2px);box-shadow:0 0 20px rgba(87,227,141,0.6);color:#08160F}.btn-login{background:transparent;color:#F2FFF6;border:2px solid #57E38D}.btn-login:hover{background:rgba(87,227,141,0.15);color:#57E38D;transform:translateY(-2px);box-shadow:0 0 15px rgba(87,227,141,0.3)}.btn-download{background:linear-gradient(135deg,#F2C14E,#E5A82E);color:#08160F;border:none}.btn-download:hover{transform:translateY(-2px);box-shadow:0 0 20px rgba(242,193,78,0.5);color:#08160F}.mobile-nav-buttons{display:none}.mobile-menu-overlay{display:none}.site-footer{background:#08160F;color:#A7D9B8;border-top:2px solid #1E3A2A;width:100%;margin-top:auto}.footer-container{max-width:1200px;margin:0 auto;padding:40px 30px 20px;width:100%}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}.footer-col{display:flex;flex-direction:column;gap:12px}.footer-logo{font-size:22px;font-weight:800;color:#F2FFF6;text-decoration:none;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:8px}.footer-description{font-size:14px;line-height:1.7;margin:0;color:#A7D9B8}.footer-title{font-size:16px;font-weight:700;color:#F2FFF6;margin:0 0 16px 0;padding-bottom:8px;border-bottom:1px solid #2E7A4E;text-transform:uppercase;letter-spacing:0.5px}.footer-nav{display:flex;flex-direction:column;gap:10px}.footer-nav a{color:#A7D9B8;text-decoration:none;font-size:14px;transition:color 0.3s;padding:2px 0}.footer-nav a:hover{color:#57E38D}.footer-contact{display:flex;flex-direction:column;gap:8px}.footer-contact p{font-size:14px;line-height:1.6;color:#A7D9B8;margin:0}.btn-footer{margin-top:10px;display:inline-flex;width:fit-content}.footer-bottom{border-top:1px solid #1E3A2A;margin-top:30px;padding-top:15px;text-align:center}.copyright{font-size:13px;color:#A7D9B8;line-height:1.6}.site-footer{background:#08160F}.site-header .btn:hover,.site-footer .btn:hover{text-decoration:none}.site-header a,.site-footer a{text-decoration:none}body{padding-top:var(--header-offset,122px);background:#08160F;margin:0}.page-content{max-width:1200px;margin:0 auto;padding:0 20px}.page-content img{max-width:100%;height:auto}.site-footer a:focus,.site-header a:focus{outline:2px solid #57E38D;outline-offset:2px}:root{--header-offset:122px}@media(max-width:1200px){.nav-container{justify-content:flex-start;overflow-x:auto}}@media(max-width:768px){:root{--header-offset:146px}.header-container{width:100%;max-width:none;padding-left:15px;padding-right:15px}.desktop-nav-buttons{display:none}.mobile-nav-buttons{display:flex;flex-direction:row;justify-content:center;align-items:center;background:linear-gradient(90deg,#0A4B2C,#11A84E);padding:8px 15px;gap:10px;border-top:1px solid #1E3A2A}.mobile-nav-buttons .btn{flex:0 1 auto;padding:10px 18px;font-size:14px}.main-nav{display:none;position:fixed;top:0;left:0;width:75%;max-width:320px;height:100vh;background:#08160F;z-index:1001;flex-direction:column;justify-content:flex-start;align-items:stretch;padding:0;margin:0;box-shadow:2px 0 15px rgba(0,0,0,0.8);transform:translateX(-100%);transition:transform 0.3s ease;border-top:none}.main-nav.active{display:flex;transform:translateX(0)}.nav-container{display:flex;flex-direction:column;justify-content:flex-start;align-items:stretch;padding:20px 0 0 0;width:100%;max-width:none;overflow-y:auto}.nav-link{width:100%;text-align:left;padding:12px 20px;font-size:15px;color:#A7D9B8;border-bottom:1px solid #1E3A2A;border-radius:0}.nav-link:hover{background:rgba(17,168,78,0.2);color:#57E38D}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.7);z-index:999;cursor:pointer}.mobile-menu-overlay.active{display:block}.nav-container{width:100%;max-width:none}.header-container .logo{margin:0 auto}.header-container{flex-direction:row;gap:10px}.header-top{min-height:48px}.mobile-nav-buttons{z-index:998}.btn{padding:8px 16px}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.footer-container{padding:30px 20px 10px}.footer-col{text-align:left}.site-footer .btn-footer{width:100%;justify-content:center}.footer-description{display:none}.page-content img{max-width:100%!important;height:auto!important;display:block}.page-content{overflow-x:hidden;max-width:100%;padding:0 15px;box-sizing:border-box}.footer-bottom .copyright{font-size:12px}.footer-contact{display:none}.footer-col.footer-contact{display:none}.footer-grid{grid-template-columns:1fr 1fr}.footer-col:last-child{grid-column:span 2;display:block}.footer-col:last-child .footer-contact{display:flex}}@media(max-width:480px){.btn{padding:10px 12px;font-size:13px}.menu-btn{width:40px;height:40px}.header-container{padding:8px 10px}.footer-grid{grid-template-columns:1fr}.footer-col:last-child{grid-column:span 1}.footer-title{font-size:14px}.footer-nav a{font-size:13px}}
/* 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;
}