:root{--primary:#C91F17;--secondary:#E53935;--card-bg:#D32F2F;--bg:#B71C1C;--text-main:#FFF5E1;--border:#F2B544;--glow:#FFCC66;--gold:#F4D34D;--deep-red:#7A0E0E;--header-offset:122px;--btn-grad:linear-gradient(180deg,#FFD86A 0%,#E6B800 100%);--footer-heading:#FFD86A}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;background:var(--bg);color:var(--text-main);padding-top:var(--header-offset);overflow-x:hidden}.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:#fff;box-shadow:0 4px 20px rgba(0,0,0,.25);border-bottom:3px solid var(--gold);min-height:auto}.header-top{background:var(--deep-red);width:100%;min-height:68px}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 24px;min-height:68px;position:relative}.logo{display:inline-flex;align-items:center;font-size:30px;font-weight:900;color:var(--text-main);text-decoration:none;letter-spacing:.5px;white-space:nowrap;transition:transform .3s ease;line-height:1.2;z-index:10}.logo span{color:var(--gold);font-size:24px;margin-left:2px}.logo:hover{transform:scale(1.03);color:var(--text-main)}.logo::before{content:"";display:inline-block;width:32px;height:32px;background:var(--btn-grad);border-radius:8px;margin-right:10px;box-shadow:0 0 10px rgba(255,215,106,.3);clip-path:polygon(20% 0%,80% 0%,100% 50%,80% 100%,20% 100%,0% 50%)}.desktop-nav-buttons{display:flex;align-items:center;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:6px;text-decoration:none;font-weight:700;font-size:15px;padding:10px 20px;min-height:42px;cursor:pointer;border:none;line-height:1.2;transition:all .3s ease;letter-spacing:.3px;text-transform:none;box-shadow:0 3px 8px rgba(0,0,0,.2)}.btn-register{background:var(--btn-grad);color:#4A1B00;border:2px solid var(--gold);box-shadow:0 0 15px rgba(244,211,77,.4)}.btn-register:hover{transform:translateY(-2px);box-shadow:0 0 25px rgba(255,204,102,.7);filter:brightness(1.1)}.btn-download{background:linear-gradient(180deg,#E53935,#B71C1C);color:#FFF5E1;border:2px solid #F2B544;box-shadow:0 0 12px rgba(229,57,53,.3)}.btn-download:hover{transform:translateY(-2px);box-shadow:0 0 22px rgba(255,204,102,.5);background:linear-gradient(180deg,#D32F2F,#8B1A1A)}.hamburger-menu{display:none;background:transparent;border:none;cursor:pointer;padding:10px;z-index:1002;flex-direction:column;gap:6px;width:44px;height:44px;align-items:center;justify-content:center;position:absolute;left:8px;top:50%;transform:translateY(-50%)}.hamburger-menu span{display:block;width:28px;height:3px;background:var(--text-main);border-radius:3px;transition:all .35s ease;transform-origin:center}.main-nav{background:#fff;width:100%;display:flex;min-height:52px;border-top:1px solid rgba(242,181,68,.15);position:static;transform:none}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 16px;flex-wrap:wrap;gap:2px;width:100%}.nav-container a{display:inline-flex;align-items:center;padding:14px 14px;color:#7A0E0E;text-decoration:none;font-weight:600;font-size:14.5px;position:relative;transition:color .3s ease,background .3s ease;white-space:nowrap;border-bottom:3px solid transparent;letter-spacing:.2px;min-height:48px}.nav-container a:hover{color:var(--primary);background:rgba(201,31,23,.05)}.nav-container a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--gold));transition:width .35s ease}.nav-container a:hover::after,.nav-container a:active::after{width:100%}.mobile-menu-overlay{display:none}.site-footer{background:var(--deep-red);color:var(--text-main);border-top:4px solid var(--gold);margin-top:40px}.footer-top{background:linear-gradient(180deg,#8B1A1A 0%,var(--deep-red) 60%,#5A0A0A 100%);padding:48px 0 32px}.footer-container{max-width:1200px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}.footer-brand{display:flex;flex-direction:column;gap:16px;align-items:flex-start}.footer-logo{display:inline-flex;align-items:center;font-size:32px;font-weight:900;color:var(--text-main);text-decoration:none;margin-bottom:4px}.footer-logo span{color:var(--gold)}.footer-logo::before{content:"";display:inline-block;width:30px;height:30px;background:var(--btn-grad);border-radius:8px;margin-right:10px;clip-path:polygon(20% 0%,80% 0%,100% 50%,80% 100%,20% 100%,0% 50%)}.footer-brand p{font-size:14px;line-height:1.7;opacity:.85;max-width:320px;margin:0}.footer-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}.footer-badges span{background:rgba(255,255,255,.1);border:1px solid var(--border);padding:5px 12px;border-radius:20px;font-size:12px;color:var(--text-main);letter-spacing:.3px}.footer-nav-column h4,.footer-contact-col h4{color:var(--footer-heading);font-size:17px;font-weight:700;margin-bottom:18px;position:relative;padding-bottom:8px;letter-spacing:.5px}.footer-nav-column h4::after,.footer-contact-col h4::after{content:'';position:absolute;bottom:0;left:0;width:36px;height:2px;background:var(--gold)}.footer-nav{display:flex;flex-direction:column;gap:0}.footer-nav a{color:rgba(255,245,225,.9);text-decoration:none;font-size:14px;padding:6px 0;transition:all .3s ease;border-bottom:1px solid rgba(255,255,255,.05);display:inline-block}.footer-nav a:hover{color:var(--gold);transform:translateX(5px);border-bottom-color:var(--gold)}.footer-contact-col{display:flex;flex-direction:column;gap:10px;align-items:flex-start}.footer-contact-col p{font-size:14px;opacity:.9;margin:0;display:flex;align-items:center;gap:8px}.btn-footer{background:var(--btn-grad);color:#4A1B00;border:2px solid var(--gold);margin-top:8px;min-height:44px}.btn-footer:hover{transform:translateY(-2px);box-shadow:0 0 20px rgba(255,204,102,.6)}.footer-bottom{background:#5A0A0A;border-top:1px solid rgba(242,181,68,.15);padding:16px 0}.footer-bottom .footer-container{display:flex;justify-content:space-between;align-items:center;gap:12px;grid-template-columns:none;padding-top:0;padding-bottom:0}.footer-bottom p{margin:0;font-size:13.5px;opacity:.85}.footer-disclaimer{background:rgba(255,255,255,.06);padding:4px 10px;border-radius:4px;font-weight:600;color:var(--gold);letter-spacing:.5px}@media (max-width:768px){:root{--header-offset:110px}body{padding-top:var(--header-offset)}.header-top{min-height:60px}.header-container{width:100%;max-width:none;padding:0 15px;min-height:60px;justify-content:center}.logo{font-size:24px;margin:0 auto;text-align:center}.logo span{font-size:20px}.logo::before{width:26px;height:26px;margin-right:8px}.desktop-nav-buttons{display:none}.hamburger-menu{display:flex;left:6px}.hamburger-menu.active span:nth-child(1){transform:translateY(9px) rotate(45deg)}.hamburger-menu.active span:nth-child(2){opacity:0;transform:scaleX(0)}.hamburger-menu.active span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}.main-nav{display:none;position:fixed;top:108px;left:0;width:85%;max-width:340px;height:calc(100vh - 108px);overflow-y:auto;background:#fff;flex-direction:column;z-index:1100;transform:translateX(-100%);transition:transform .4s ease;box-shadow:4px 0 25px rgba(0,0,0,.3);border-top:none;border-right:3px solid var(--gold)}.main-nav.active{display:flex;transform:translateX(0)}.main-nav.active~.mobile-menu-overlay{display:block}.nav-container{display:flex;flex-direction:column;align-items:stretch;padding:10px 0;width:100%;max-width:none;gap:0}.nav-container a{padding:16px 24px;color:#7A0E0E;font-size:15px;border-bottom:1px solid rgba(201,31,23,.12);border-radius:0;min-height:48px;border-left:4px solid transparent}.nav-container a::after{display:none}.nav-container a:hover{background:rgba(201,31,23,.06);border-left-color:var(--primary)}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.55);z-index:1050;backdrop-filter:blur(2px)}.mobile-menu-overlay.active{display:block}.mobile-nav-buttons{display:flex;justify-content:center;align-items:center;gap:8px;padding:8px 10px;background:var(--deep-red);width:100%;border-top:1px solid rgba(255,255,255,.1);min-height:52px}.mobile-nav-buttons .btn{flex:1;max-width:180px;font-size:14px;padding:8px 10px;min-height:38px}.page-content img{max-width:100%!important;height:auto!important;display:block}.page-content{overflow-x:hidden;max-width:100%}.footer-top{padding:32px 0 24px}.footer-container{width:100%;max-width:none;padding:0 15px;grid-template-columns:1fr;gap:28px}.footer-bottom .footer-container{flex-direction:column;text-align:center;padding:0 15px}.footer-brand{align-items:center;text-align:center}.footer-brand p{margin:0 auto}.footer-nav-column h4,.footer-contact-col h4{font-size:16px;text-align:center}.footer-nav-column h4::after,.footer-contact-col h4::after{left:50%;transform:translateX(-50%)}.footer-nav{align-items:center}.footer-nav a{text-align:center;padding:7px 0}.footer-contact-col{align-items:center;text-align:center}}
  .mobile-nav-buttons{display:none}@media (max-width:768px){.mobile-nav-buttons{display:flex}}
/* 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;
}