/* ===== 全局重置与基础样式 ===== */
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}
html{touch-action:manipulation}
body{font-family:'SF Pro Text','Inter','Segoe UI',system-ui,-apple-system,sans-serif;font-weight:400;background:#0a0a0c;color:rgba(255,255,255,.7);--accent:#e85d2a;--accent-rgb:232,93,42;--ease-out:cubic-bezier(.16,1,.3,1);--ease-spring:cubic-bezier(.34,1.56,.64,1);--bg:#0a0a0c;--bg-elevated:#111114;--bg-card:#16161a;--border:rgba(255,255,255,.06);--text-primary:rgba(255,255,255,.92);--text-secondary:rgba(255,255,255,.5);--text-tertiary:rgba(255,255,255,.25);min-height:100vh;min-height:100dvh;overflow-x:hidden;overflow-y:scroll;scrollbar-width:none;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}
body::-webkit-scrollbar{display:none}

/* 环境光效 */
body::before{content:'';position:fixed;top:-40%;left:-20%;width:80%;height:80%;background:radial-gradient(ellipse,rgba(var(--accent-rgb),.05) 0%,transparent 60%);pointer-events:none;z-index:0;animation:ambientDrift 20s ease-in-out infinite alternate}
body::after{content:'';position:fixed;bottom:-30%;right:-20%;width:70%;height:70%;background:radial-gradient(ellipse,rgba(56,30,114,.04) 0%,transparent 60%);pointer-events:none;z-index:0;animation:ambientDrift 25s ease-in-out infinite alternate-reverse}
@keyframes ambientDrift{0%{transform:translate(0,0)}100%{transform:translate(5%,3%)}}

/* 容器 */
.container{position:relative;z-index:1;max-width:480px;margin:0 auto;padding:48px 24px 32px;display:flex;flex-direction:column;align-items:center;min-height:100vh;min-height:100dvh}
@media(max-width:480px){
  .container{padding:36px 16px 24px}
}

/* Header */
@keyframes fadeIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@keyframes scaleIn{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}
.header{text-align:center;margin-bottom:32px;width:100%;animation:fadeIn .8s var(--ease-out) both}
.header h1{font-family:'SF Pro Display','Inter','Segoe UI',system-ui,sans-serif;font-size:clamp(28px,6vw,48px);font-weight:600;letter-spacing:-0.03em;margin-bottom:8px;color:var(--text-primary);text-wrap:balance;line-height:1.1}
.header p{font-size:12px;font-weight:400;color:var(--text-tertiary);letter-spacing:.12em;text-transform:uppercase;animation:fadeIn .8s var(--ease-out) .15s both}
@media(max-width:480px){
  .header{margin-bottom:24px}
  .header h1{font-size:clamp(24px,7vw,40px)}
  .header p{font-size:10px;letter-spacing:.08em}
}

/* Footer */
.footer{margin-top:auto;padding:24px 0 0;text-align:center;color:var(--text-tertiary);font-size:11px;font-weight:400;letter-spacing:.12em;text-transform:uppercase}
.footer-copyright{margin-top:6px;font-size:10px;letter-spacing:.08em;opacity:.6}
.footer-icp{margin-top:6px;font-size:11px;letter-spacing:0;text-transform:none}
.footer-icp a{color:var(--text-tertiary);text-decoration:none;transition:opacity .2s ease}
.footer-icp a:hover{opacity:.7}
@media(max-width:480px){
  .footer{font-size:10px;letter-spacing:.08em;padding:16px 0 0}
  .footer-copyright{font-size:9px}
  .footer-icp{font-size:10px}
}

/* Category label */
.category-label{text-align:center;margin-bottom:16px;font-size:11px;font-weight:500;color:var(--text-tertiary);letter-spacing:.12em;text-transform:uppercase;transition:all .4s var(--ease-out);min-height:18px}
.category-label span{display:inline-block;padding:4px 14px;border-radius:100px;border:1px solid var(--border);background:rgba(255,255,255,.03);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:all .3s var(--ease-out)}
@media(max-width:480px){
  .category-label{margin-bottom:12px;font-size:10px}
  .category-label span{padding:3px 10px}
}