:root{--header-offset:188px;--color-primary:#11A84E;--color-secondary:#22C768;--color-card:#11271B;--color-bg:#08160F;--color-text-main:#F2FFF6;--color-text-secondary:#A7D9B8;--color-border:#2E7A4E;--color-glow:#57E38D;--color-gold:#F2C14E;--color-divider:#1E3A2A;--color-deep:#0A4B2C}.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background-color:var(--color-bg);box-shadow:0 4px 16px rgba(0,0,0,0.5);border-bottom:1px solid var(--color-border);min-height:auto}.header-top{background:linear-gradient(135deg,#0A4B2C 0%,#0A4B2C 100%);width:100%;padding:10px 0}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-left:24px;padding-right:24px}.logo{display:inline-block;font-size:26px;font-weight:900;color:var(--color-text-main);text-decoration:none;letter-spacing:1px;line-height:1.2;text-shadow:0 0 12px rgba(87,227,141,0.4)}.logo:hover{color:var(--color-glow)}.desktop-nav-buttons{display:flex;align-items:center;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:8px;font-weight:700;font-size:15px;padding:10px 20px;transition:all 0.3s ease;cursor:pointer;line-height:1.4}.btn-register{background:linear-gradient(180deg,#2AD16F 0%,#13994A 100%);color:#0A1E12;box-shadow:0 4px 12px rgba(42,209,111,0.3)}.btn-register:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(42,209,111,0.5)}.btn-login{background:linear-gradient(135deg,#1E3A2A,#2E7A4E);color:var(--color-text-main);border:1px solid var(--color-border);box-shadow:0 4px 12px rgba(0,0,0,0.3)}.btn-login:hover{background:linear-gradient(135deg,#2E7A4E,#1E3A2A);color:var(--color-glow)}.btn-download{background:var(--color-bg);color:var(--color-gold);border:2px solid var(--color-gold)}.btn-download:hover{background:var(--color-gold);color:var(--color-bg)}.main-nav{background-color:var(--color-deep);width:100%;display:flex;border-top:1px solid rgba(46,122,78,0.3)}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:8px 20px;gap:4px}.nav-link{display:inline-block;color:var(--color-text-secondary);text-decoration:none;font-size:15px;font-weight:600;padding:8px 14px;border-radius:6px;transition:all 0.3s ease;letter-spacing:0.3px}.nav-link:hover{color:var(--color-text-main);background:rgba(46,122,78,0.3);text-shadow:0 0 8px rgba(87,227,141,0.3)}.nav-link.active{color:var(--color-glow);background:rgba(10,75,44,0.6);box-shadow:inset 0 -2px 0 var(--color-glow)}.hamburger-menu{display:none}.mobile-menu-overlay{display:none}.mobile-nav-buttons{display:none}body{padding-top:var(--header-offset);margin:0;background-color:var(--color-bg);color:var(--color-text-main);font-family:Arial,Helvetica,sans-serif}.site-footer{background-color:var(--color-bg);border-top:3px solid var(--color-primary);padding:40px 0 0 0;margin-top:40px}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:25px;padding:0 24px}.footer-column{padding:10px 0}.footer-logo .logo{font-size:24px}.footer-desc{color:var(--color-text-secondary);font-size:14px;line-height:1.6;margin:12px 0}.footer-meta p{color:var(--color-text-secondary);font-size:14px;margin:8px 0;display:flex;align-items:center;gap:8px}.meta-icon{font-size:16px}.footer-title{color:var(--color-glow);font-size:16px;font-weight:700;margin:0 0 12px 0;padding-bottom:8px;border-bottom:1px dashed var(--color-border)}.footer-nav{display:flex;flex-direction:column;gap:8px}.footer-nav a{color:var(--color-text-secondary);text-decoration:none;font-size:14px;transition:all 0.3s ease;padding:2px 0}.footer-nav a:hover{color:var(--color-gold);padding-left:5px}.footer-bottom{border-top:1px solid var(--color-divider);padding:16px 20px;text-align:center;margin-top:30px;background:rgba(10,75,44,0.3)}.copyright{color:var(--color-text-secondary);font-size:14px;margin:4px 0}.footer-note{color:var(--color-gold);font-size:13px;margin:4px 0;font-weight:600}@media(max-width:768px){.header-top{padding:8px 0}.header-container{max-width:none;width:100%;padding:0 10px;min-height:44px}.header-top .header-container{display:flex;justify-content:space-between}.header-top .logo{margin:0 auto}.header-top .desktop-nav-buttons{display:none}.logo{font-size:20px}.hamburger-menu{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:12px 10px;z-index:1001;order:1;align-self:center}.hamburger-menu span{display:block;width:24px;height:3px;background-color:var(--color-text-main);border-radius:2px;transition:all 0.3s ease}.hamburger-menu.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.header-top .logo{order:2;margin:0 auto}.desktop-nav-buttons{display:none!important}.mobile-nav-buttons{display:flex;padding:6px 10px;gap:8px;background-color:#0A4B2C;border-top:1px solid #1E3A2A;justify-content:space-around;align-items:center;min-height:48px}.mobile-nav-buttons .btn{flex:1;margin:4px;padding:8px 12px;font-size:13px;justify-content:center}.mobile-nav-buttons .btn-download{flex:1}.main-nav{display:none;position:fixed;top:44px;left:0;width:100%;height:auto;max-height:calc(100vh - 140px);overflow-y:auto;background-color:var(--color-bg);border-bottom:1px solid var(--color-border);z-index:1000;transform:translateX(-100%);transition:transform 0.3s ease;flex-direction:column;padding:8px 0}.main-nav.active{display:flex;transform:translateX(0)}.main-nav .nav-link{padding:12px 20px;border-radius:0;border-bottom:1px solid rgba(46,122,78,0.2);text-align:left;width:100%}.main-nav .nav-link:hover{background-color:rgba(46,122,78,0.2);color:var(--color-glow)}.mobile-menu-overlay{display:none;position:fixed;top:44px;left:0;width:100%;height:100vh;background-color:rgba(0,0,0,0.7);z-index:999;transition:opacity 0.3s ease}.mobile-menu-overlay.active{display:block;opacity:1}.footer-container{grid-template-columns:1fr 1fr;padding:0 16px}.footer-column{padding:8px 0}.site-footer{padding-top:20px}.body{padding-top:var(--header-offset)}.footer-container{max-width:none;width:100%;padding:0 15px}.nav-container{width:100%;max-width:none;padding-left:15px;padding-right:15px}.page-content img{max-width:100%!important;height:auto!important;display:block}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}}
/* 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;
}