*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#f2f5ff;
  --card:#ffffff;
  --line:#e6ebf7;
  --txt:#2b3045;
  --muted:#6d7690;
  --ac:#6a7bff;
  --ac-deep:#5a5bff;
  --violet:#a78bfa;
  --pink:#f472b6;
  --green:#16a37a;
  --shadow:0 18px 46px rgba(90,110,200,.14);
  --shadow-sm:0 6px 18px rgba(90,110,200,.10);
  --radius:18px;
}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  min-height:100vh;overflow-x:hidden;
}

/* ---- 背景光斑 ---- */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;
  background:linear-gradient(180deg,#eef3ff 0%,#f7f4ff 55%,#fdf0f7 100%)}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;animation:float 16s ease-in-out infinite}
.blob-a{width:420px;height:420px;background:#cdd6ff;top:-120px;left:-100px}
.blob-b{width:380px;height:380px;background:#f3d5ff;right:-110px;top:22% ;animation-delay:-5s}
.blob-c{width:360px;height:360px;background:#ffd8ec;left:26%;bottom:-110px;animation-delay:-9s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(26px,-34px) scale(1.06)}66%{transform:translate(-18px,18px) scale(.96)}}

/* ---- 卡片 ---- */
.glass,.section>.config-card,.game-side{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);
}

/* ---- 登录门 ---- */
.login-gate{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e9efff,#f4ecff,#ffeef7);transition:opacity .7s,visibility .7s}
.login-gate.hide{opacity:0;visibility:hidden;pointer-events:none}
.login-card{width:min(420px,92vw);padding:44px 36px;text-align:center;background:#fff;
  border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}
.login-emoji{font-size:54px;animation:pop 2.4s infinite}
@keyframes pop{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-12px) scale(1.06)}}
.login-title{font-size:26px;line-height:1.5;margin:12px 0 6px;font-weight:900;
  background:linear-gradient(90deg,#6a7bff,#a78bfa,#f472b6);-webkit-background-clip:text;background-clip:text;color:transparent}
.login-sub{color:var(--muted);font-size:13px;margin-bottom:24px}
.login-input-wrap{display:flex;gap:10px}
.login-input-wrap input{flex:1;padding:13px 14px;border-radius:12px;border:1px solid var(--line);
  background:#f7f9ff;color:var(--txt);font-size:15px;outline:none;transition:.3s}
.login-input-wrap input:focus{border-color:var(--ac);box-shadow:0 0 0 3px rgba(106,123,255,.16)}
::placeholder{color:#aab1c8}
.login-msg{min-height:20px;margin-top:14px;font-size:13px;color:var(--pink)}

/* ---- 按钮 ---- */
.glow-btn{padding:13px 24px;border:none;border-radius:12px;cursor:pointer;color:#fff;font-weight:700;font-size:15px;
  background:linear-gradient(90deg,#6a7bff,#a78bfa);box-shadow:0 8px 22px rgba(120,110,255,.38);transition:.25s}
.glow-btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(140,110,255,.5);filter:brightness(1.05)}
.glow-btn:active{transform:translateY(0)}
.ghost-btn{padding:8px 14px;border:1px solid var(--line);border-radius:11px;background:#f7f9ff;color:var(--txt);
  cursor:pointer;font-size:12.5px;font-weight:600;transition:.25s}
.ghost-btn:hover{border-color:var(--ac);background:#eef1ff;color:var(--ac-deep)}

/* ---- 主站 ---- */
.hidden{display:none !important}
.main{padding:0 clamp(16px,5vw,56px) 64px;max-width:1180px;margin:0 auto}

/* ---- Hero 打字机 ---- */
.hero{margin-top:34px}
.hero-card{padding:clamp(30px,6vw,58px) clamp(20px,5vw,52px);text-align:center;
  background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero-card::before{content:"";position:absolute;top:-2px;left:0;right:0;height:4px;
  background:linear-gradient(90deg,#6a7bff,#a78bfa,#f472b6,#fbbf24)}
.hero-kicker{color:var(--ac-deep);letter-spacing:3px;font-size:14px;font-weight:700;margin-bottom:14px}
.hero-title{font-size:clamp(26px,4.6vw,44px);font-weight:900;margin-bottom:22px;
  background:linear-gradient(90deg,#6a7bff,#a78bfa,#f472b6);-webkit-background-clip:text;background-clip:text;color:transparent}
.typewriter-wrap{max-width:780px;margin:0 auto;min-height:66px;display:flex;justify-content:center;align-items:flex-start;
  font-size:clamp(15px,2.4vw,18px);line-height:2;color:#3a4160}
#typewriter{white-space:pre-wrap;text-align:left}
.caret{display:inline-block;width:2px;height:1.15em;background:var(--ac);margin-left:3px;vertical-align:-.15em;
  animation:blink .8s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.hero-sign{margin-top:16px;color:var(--muted);font-size:13px}

/* ---- Section ---- */
.section{margin:52px auto 0}
.section-title{font-size:clamp(20px,3.4vw,26px);font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.section-desc{color:var(--muted);max-width:720px;font-size:14px;line-height:1.8;margin-bottom:20px}
.section-desc b{color:var(--txt)}
.section-desc .warn{color:var(--pink);font-weight:700}

/* ---- 卡片通用 ---- */
.config-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.config-card h3{font-size:18px;margin-bottom:6px}
.config-card .desc{color:var(--muted);font-size:13.5px;line-height:1.8;margin-bottom:16px}

/* ---- 工具卡片 ---- */
.tool-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.tool-card{padding:22px;display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.3s}
.tool-card:hover{transform:translateY(-3px);border-color:#cdd6ff;box-shadow:var(--shadow)}
.tool-head{display:flex;align-items:center;gap:12px}
.tool-icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:23px;background:#f1f3ff}
.tool-head h3{font-size:16px}
.tool-head .chip{font-size:11px;color:var(--ac-deep);background:#eef1ff;padding:3px 10px;border-radius:999px;font-weight:600}
.tool-desc{color:var(--muted);font-size:13.5px;line-height:1.7}
.cmd-block{position:relative;background:#f6f8ff;border:1px solid var(--line);border-radius:12px;padding:12px 44px 12px 12px;overflow:auto}
.cmd-block code{font-family:Consolas,'Courier New',monospace;font-size:12.5px;color:#3b4bb0;white-space:pre-wrap;word-break:break-all}
.cmd-label{display:block;font-size:11px;color:#98a0bd;margin-bottom:6px;letter-spacing:1px;font-weight:600}
.cmd-note{margin-top:8px;font-size:11px;color:var(--muted);line-height:1.6}
.copy-btn{position:absolute;right:8px;top:8px}
.copy-btn.copied{background:#e4f7f0;color:var(--green);border-color:var(--green)}

/* ---- Key / 抖音卡片 ---- */
.field{position:relative;background:#f6f8ff;border:1px solid var(--line);border-radius:12px;padding:10px 12px 12px;margin-bottom:12px}
.field .lab{font-size:11px;color:#98a0bd;letter-spacing:1px;margin-bottom:6px;font-weight:700}
.field .val{font-family:Consolas,monospace;font-size:13px;color:#3b4bb0;word-break:break-all;padding-right:8px}
.field .hint{font-size:11px;color:var(--muted);margin-top:6px;padding-right:8px}
#douyin-card .field{border-color:#ffd6ea;background:#fff5fa}

/* ---- 寄语 ---- */
.blessing-list{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.blessing{padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.blessing::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,#6a7bff,#a78bfa,#f472b6)}
.blessing .q{font-size:15px;line-height:1.9;color:#3a4160}

/* ---- 游戏 ---- */
.game-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.game-tab{padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);
  cursor:pointer;font-size:14px;font-weight:700;transition:.25s}
.game-tab.active{color:#fff;border-color:transparent;background:linear-gradient(90deg,#6a7bff,#a78bfa);box-shadow:0 6px 16px rgba(120,110,255,.35)}
.game-hint{color:var(--muted);font-size:13px;margin-bottom:14px}
.game-wrap{display:flex;gap:24px;align-items:flex-start;justify-content:center;flex-wrap:wrap;padding:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.canvas-holder{position:relative}
.game-canvas{background:#f4f6ff;border:1px solid var(--line);border-radius:14px;
  box-shadow:inset 0 0 0 1px #fff, 0 6px 18px rgba(90,110,200,.12);touch-action:none;display:block}
.game-side{display:flex;flex-direction:column;gap:12px;min-width:150px;padding:18px}
.game-score,.game-best{font-size:15px;color:var(--muted)}
.game-score b,.game-best b{color:var(--txt);font-size:26px}
.game-tip{color:var(--muted);font-size:12.5px;line-height:1.9}

/* ---- Footer ---- */
.footer{margin-top:70px;text-align:center;color:#9aa3c0;font-size:13px;line-height:2}

/* ---- Toast ---- */
.toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(80px);z-index:300;
  background:#2b3045;color:#fff;padding:12px 22px;border-radius:12px;box-shadow:var(--shadow);
  opacity:0;transition:.4s;font-size:14px;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---- 动画 ---- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media (max-width:640px){
  .game-wrap{flex-direction:column;align-items:center}
  .game-canvas{width:100%;height:auto}
  #c-racing{height:560px;width:420px;max-width:92vw}
}