:root{--color-primary:#FF8C1A;--color-secondary:#FFA53A;--color-bg:#0D0E12;--color-card:#17191F;--color-text:#FFF3E6;--color-border:#A84F0C;--color-glow:#FFB04D;--color-deep:#D96800;--color-muted:#C9B8A5;--header-offset:122px;--footer-bg:#0D0E12}*{box-sizing:border-box}body{margin:0;padding-top:var(--header-offset);background:var(--color-bg);color:var(--color-text);font-family:'Segoe UI',Arial,Helvetica,sans-serif}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;box-shadow:0 4px 20px rgba(0,0,0,.6);border-bottom:1px solid var(--color-border)}.header-top{box-sizing:border-box;height:68px;min-height:68px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(180deg,#1A1207 0%,#0D0E12 100%);border-bottom:1px solid var(--color-border);width:100%}.header-container{box-sizing:border-box;width:100%;height:100%;max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-left:24px;padding-right:24px;gap:16px}.logo{display:inline-block;font-size:26px;font-weight:800;letter-spacing:.5px;color:var(--color-primary);text-decoration:none;text-shadow:0 0 12px rgba(255,140,26,.45);white-space:nowrap;flex:0 0 auto}.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:0 0 auto}.mobile-nav-buttons{box-sizing:border-box;display:none;min-height:48px;width:100%;max-width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;text-decoration:none;border:1px solid var(--color-border);border-radius:8px;font-weight:700;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;line-height:1.2}.btn-login{background:transparent;color:var(--color-primary);border:1px solid var(--color-primary);padding:10px 20px;font-size:15px}.btn-login:hover{background:rgba(255,140,26,.12);transform:translateY(-2px);box-shadow:0 4px 14px rgba(255,140,26,.3)}.btn-register{background:linear-gradient(180deg,#FFA53A 0%,#D96800 100%);color:#1A0E00;padding:10px 20px;font-size:15px;box-shadow:0 4px 14px rgba(255,140,26,.35)}.btn-register:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,180,77,.5);filter:brightness(1.05)}.main-nav{box-sizing:border-box;height:52px;min-height:52px;display:flex;align-items:center;overflow:hidden;background:#17191F;width:100%;border-top:1px solid rgba(168,79,12,.35)}.nav-container{box-sizing:border-box;height:100%;max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px;gap:4px;flex-wrap:nowrap}.nav-link{display:inline-flex;align-items:center;height:100%;padding:0 13px;font-size:15px;font-weight:600;color:var(--color-text);text-decoration:none;border-bottom:3px solid transparent;transition:color .2s ease,border-color .2s ease,background .2s ease;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--color-primary);border-bottom-color:var(--color-primary);background:rgba(255,140,26,.08)}.hamburger-menu{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:0;background:transparent;border:1px solid var(--color-border);border-radius:6px;cursor:pointer;z-index:1001}.hamburger-menu span{display:block;width:22px;height:2px;background:var(--color-primary);margin:0 auto;transition:transform .3s ease,opacity .3s ease}.hamburger-menu.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.65);z-index:999;opacity:0;transition:opacity .3s ease}.nav-overlay.active{display:block;opacity:1}@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:14px;padding-right:14px;position:relative}.hamburger-menu{display:flex;position:relative;z-index:2;flex:0 0 auto}.logo{position:absolute!important;left:50%!important;transform:translateX(-50%)!important;display:flex!important;align-items:center!important;justify-content:center!important;max-width:calc(100% - 120px);font-size:22px}.logo img{display:block!important;max-width:100%;height:auto;max-height:56px}.desktop-nav-buttons{display:none!important}.mobile-nav-buttons{display:flex!important;align-items:center;justify-content:center;min-height:48px;width:100%;max-width:100%;box-sizing:border-box;padding:6px 14px;overflow:hidden;gap:10px;flex-wrap:nowrap;background:#0D0E12;border-bottom:1px solid var(--color-border)}.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;display:none;position:fixed;top:0;left:0;width:82%;max-width:300px;height:100vh!important;min-height:100vh!important;flex-direction:column;justify-content:flex-start;align-items:stretch;background:#17191F;z-index:1002;transform:translateX(-100%);transition:transform .3s ease;overflow-y:auto;border-right:1px solid var(--color-border);padding-top:20px;border-top:none}.main-nav.active{display:block;transform:translateX(0)}.nav-container{width:100%;max-width:none;height:auto;flex-direction:column;justify-content:flex-start;align-items:stretch;padding:0;gap:0}.nav-link{height:auto;padding:15px 24px;font-size:16px;border-bottom:1px solid rgba(168,79,12,.25);border-left:3px solid transparent;justify-content:flex-start}.nav-link:hover,.nav-link.active{border-bottom-color:rgba(168,79,12,.25);border-left-color:var(--color-primary);background:rgba(255,140,26,.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:var(--footer-bg);color:var(--color-text);border-top:1px solid var(--color-border);width:100%}.footer-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;box-sizing:border-box}.footer-top{padding:44px 0 24px;border-bottom:1px solid rgba(168,79,12,.3)}.footer-top-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-col{min-width:0}.footer-about .footer-logo{display:inline-block;font-size:24px;font-weight:800;color:var(--color-primary);text-decoration:none;margin-bottom:12px;text-shadow:0 0 10px rgba(255,140,26,.4)}.footer-description{font-size:14px;line-height:1.7;color:var(--color-muted);margin:0;word-wrap:break-word;overflow-wrap:break-word}.footer-heading{font-size:16px;font-weight:700;color:var(--color-secondary);margin:0 0 14px}.footer-nav{list-style:none;margin:0;padding:0}.footer-nav li{margin-bottom:9px}.footer-nav a{color:var(--color-muted);text-decoration:none;font-size:14px;transition:color .2s ease}.footer-nav a:hover{color:var(--color-primary);text-decoration:underline}.footer-slot-anchor-inner{display:block;min-height:0;overflow:visible}.footer-dynamic-col{min-width:0}.footer-middle{padding:24px 0}.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:12px}.footer-bottom{border-top:1px solid rgba(168,79,12,.3);padding:18px 0;text-align:center}.copyright{margin:0;font-size:13px;color:var(--color-muted)}@media(max-width:768px){.footer-container{padding-left:16px;padding-right:16px}.footer-top{padding-top:32px}.footer-top-grid{grid-template-columns:1fr 1fr;gap:20px}.footer-about{grid-column:1/-1}.footer-dynamic-col{grid-column:1/-1}.footer-mid-grid{grid-template-columns:1fr 1fr}.footer-heading{font-size:15px}}
/* 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;
}