*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px;line-height:1.6}
body{font-family:'Noto Sans SC','Microsoft YaHei','PingFang SC',sans-serif;background-color:#0A0F2E;color:#FFFFFF;min-height:100vh;-webkit-font-smoothing:antialiased}
:focus-visible{outline:3px solid #FFD700;outline-offset:3px;border-radius:8px}
::selection{background:#FFD700;color:#0A0F2E}
img{max-width:100%;height:auto;display:block}
a{color:#FFD700;text-decoration:none;transition:color 0.2s,box-shadow 0.2s}
a:hover{color:#FF8C00}
ul{list-style:none}
:root{--color-primary:#FFD700;--color-primary-dark:#B8860B;--color-primary-light:#FFF8DC;--color-secondary:#FF0000;--color-secondary-dark:#8B0000;--color-bg:#0A0F2E;--color-bg-light:#1A2044;--color-text:#FFFFFF;--color-text-muted:#C0C0C0;--accent-gradient:linear-gradient(135deg,#FFD700,#FF8C00);--heading-font:'ZCOOL KuaiLe','Ma Shan Zheng','Noto Sans SC',cursive,sans-serif;--body-font:'Noto Sans SC','Microsoft YaHei','PingFang SC',sans-serif;--container-max:1200px;--header-bg:rgba(10,15,46,0.95);--footer-bg:#070B22;--radius-lg:24px;--radius-md:16px;--radius-sm:12px;--shadow-glow:0 0 20px rgba(255,215,0,0.25)}
.skip-link{position:absolute;top:-1000px;left:1rem;z-index:9999;padding:0.75rem 1.5rem;background:var(--accent-gradient);color:#0A0F2E;font-weight:700;border-radius:var(--radius-sm);font-size:0.95rem;box-shadow:0 4px 20px rgba(255,215,0,0.4);transition:top 0.2s}
.skip-link:focus{top:1rem}
.site-header{position:sticky;top:0;z-index:1000;background:var(--header-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:2px solid rgba(255,215,0,0.15);box-shadow:0 4px 30px rgba(0,0,0,0.5)}
.header-inner{max-width:var(--container-max);margin:0 auto;padding:1rem 2rem;display:flex;flex-direction:column;align-items:center}
.brand{display:flex;align-items:center;gap:0.75rem;margin-bottom:0.5rem}
.logo-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;background:var(--accent-gradient);border-radius:50%;font-size:1.6rem;font-weight:900;color:#0A0F2E;box-shadow:0 0 20px rgba(255,215,0,0.35);border:2px solid #FFD700;flex-shrink:0}
.brand-name{font-family:var(--heading-font);font-size:2.2rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:0.08em;text-shadow:0 0 30px rgba(255,215,0,0.2);white-space:nowrap}
.nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;width:44px;height:44px;background:transparent;border:2px solid rgba(255,215,0,0.5);border-radius:var(--radius-sm);cursor:pointer;gap:5px;padding:8px;transition:border-color 0.2s;position:absolute;right:1.5rem;top:1.2rem}
.nav-toggle:hover{border-color:#FFD700}
.nav-toggle .hamburger-line{display:block;width:22px;height:2.5px;background:#FFD700;border-radius:4px;transition:transform 0.3s,opacity 0.3s}
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.main-nav{width:100%}
.nav-list{display:flex;justify-content:center;flex-wrap:wrap;gap:0.25rem;padding:0.25rem 0}
.nav-item{margin:0}
.nav-link{display:block;padding:0.55rem 1.2rem;font-family:var(--heading-font);font-size:1.1rem;font-weight:500;color:#FFFFFF;border-radius:var(--radius-sm);transition:background 0.2s,color 0.2s,box-shadow 0.2s,transform 0.2s;letter-spacing:0.04em;position:relative}
.nav-link:hover{background:rgba(255,215,0,0.12);color:#FFD700;transform:translateY(-1px);box-shadow:0 4px 15px rgba(255,215,0,0.15)}
.nav-link[aria-current="page"]{background:var(--accent-gradient);color:#0A0F2E;font-weight:700;box-shadow:0 4px 20px rgba(255,215,0,0.3)}
.nav-link[aria-current="page"]:hover{background:var(--accent-gradient);color:#0A0F2E;transform:none}
.site-footer{background:var(--footer-bg);border-top:3px solid rgba(255,215,0,0.2);padding:3rem 2rem 1.5rem;margin-top:4rem;position:relative}
.site-footer::before{content:"";position:absolute;top:-3px;left:50%;transform:translateX(-50%);width:180px;height:3px;background:var(--accent-gradient);border-radius:4px}
.footer-inner{max-width:var(--container-max);margin:0 auto;display:grid;grid-template-columns:1fr 1fr 1fr;gap:2rem;align-items:start}
.footer-brand{display:flex;align-items:center;gap:0.75rem;grid-column:1}
.footer-brand .logo-icon{width:40px;height:40px;font-size:1.3rem}
.footer-brand .brand-name{font-size:1.5rem}
.footer-links{grid-column:2;display:flex;flex-direction:column;gap:0.6rem;align-items:flex-start}
.footer-link{color:#C0C0C0;font-size:0.95rem;padding:0.2rem 0;transition:color 0.2s,transform 0.2s;position:relative}
.footer-link::after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--accent-gradient);transition:width 0.3s}
.footer-link:hover{color:#FFD700;transform:translateX(4px)}
.footer-link:hover::after{width:100%}
.footer-contact{grid-column:3;display:flex;flex-direction:column;gap:0.5rem;align-items:flex-end}
.contact-item{color:#C0C0C0;font-size:0.9rem;line-height:1.5}
.contact-item a{color:#FFD700;font-weight:500}
.contact-item a:hover{color:#FF8C00}
.footer-copyright{grid-column:1/-1;text-align:center;margin-top:1.5rem;padding-top:1.2rem;border-top:1px solid rgba(255,215,0,0.12);color:var(--color-text-muted);font-size:0.85rem;letter-spacing:0.02em}
.container{max-width:var(--container-max);margin:0 auto;padding:0 2rem;width:100%}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.7rem 1.8rem;font-family:var(--body-font);font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all 0.25s;text-decoration:none;line-height:1.4}
.btn-primary{background:var(--accent-gradient);color:#0A0F2E;box-shadow:0 4px 20px rgba(255,215,0,0.25)}
.btn-primary:hover{box-shadow:0 6px 30px rgba(255,215,0,0.4);transform:translateY(-2px);color:#0A0F2E}
.btn-secondary{background:transparent;color:#FFD700;border:2px solid #FFD700}
.btn-secondary:hover{background:rgba(255,215,0,0.1);color:#FF8C00;border-color:#FF8C00}
.breadcrumb{display:flex;flex-wrap:wrap;gap:0.4rem 0.6rem;padding:1rem 0;font-size:0.9rem;color:var(--color-text-muted)}
.breadcrumb a{color:#FFD700}
.breadcrumb a:hover{color:#FF8C00}
.breadcrumb [aria-current="page"]{color:#FFFFFF;font-weight:600}
.breadcrumb .sep{color:var(--color-text-muted)}
.section{padding:3rem 0}
.section-title{font-family:var(--heading-font);font-size:2rem;font-weight:700;color:#FFD700;margin-bottom:1.5rem;position:relative;display:inline-block}
.section-title::after{content:"";display:block;width:60%;height:3px;background:var(--accent-gradient);margin-top:0.4rem;border-radius:4px}
.grid{display:grid;gap:1.5rem}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:1fr 1fr 1fr}
.img-container{position:relative;overflow:hidden;border-radius:var(--radius-md);background:var(--color-bg-light);aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:0.9rem}
.back-to-top{position:fixed;bottom:2rem;right:2rem;z-index:900;width:52px;height:52px;border-radius:50%;background:var(--accent-gradient);color:#0A0F2E;border:none;font-size:1.6rem;cursor:pointer;box-shadow:0 4px 25px rgba(255,215,0,0.35);opacity:0;transform:translateY(20px);pointer-events:none;transition:opacity 0.4s,transform 0.4s,box-shadow 0.3s;display:flex;align-items:center;justify-content:center}
.back-to-top.visible{opacity:1;transform:translateY(0);pointer-events:auto}
.back-to-top:hover{box-shadow:0 6px 35px rgba(255,215,0,0.55);transform:translateY(-3px)}
.back-to-top:focus-visible{outline:3px solid #FFD700;outline-offset:4px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.back-to-top,.nav-link,.btn,.footer-link,.logo-icon{transition:none!important}.back-to-top.visible{transition:opacity 0.1s}}
@media (max-width:768px){.header-inner{padding:0.8rem 1rem;flex-direction:row;flex-wrap:wrap;position:relative}.brand{margin-bottom:0;flex:1}.brand-name{font-size:1.4rem}.logo-icon{width:36px;height:36px;font-size:1.2rem}.nav-toggle{display:flex;position:relative;right:0;top:0}.main-nav{display:none;width:100%;order:3;margin-top:0.75rem;border-top:1px solid rgba(255,215,0,0.15);padding-top:0.5rem}.main-nav[data-open]{display:block}.nav-list{flex-direction:column;align-items:center;gap:0.15rem}.nav-link{padding:0.7rem 1rem;font-size:1rem;width:100%;text-align:center}.footer-inner{grid-template-columns:1fr;gap:1.5rem;text-align:center}.footer-brand{justify-content:center}.footer-links{align-items:center}.footer-contact{align-items:center}.footer-contact .contact-item{text-align:center}.back-to-top{bottom:1.2rem;right:1.2rem;width:44px;height:44px;font-size:1.3rem}}
@media (min-width:769px) and (max-width:1024px){.header-inner{padding:1rem 1.5rem}.brand-name{font-size:1.8rem}.nav-link{padding:0.5rem 0.9rem;font-size:1rem}.footer-inner{grid-template-columns:1fr 1fr;gap:1.5rem}.footer-contact{grid-column:1/-1;flex-direction:row;justify-content:center;flex-wrap:wrap;gap:0.8rem 1.5rem;align-items:center}}