:root{
  --brand:#e8743b;
  --brand-deep:#b04a1f;
  --brand-soft:#fbe4d3;
  --ink:#3a2a20;
  --ink-soft:#6b574a;
  --cream:#fdf6ee;
  --cream-2:#f7ead9;
  --line:#e6d3bf;
  --accent:#2f6b52;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px -18px rgba(90,50,25,.45);
  --shadow-soft:0 4px 16px -10px rgba(90,50,25,.35);
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}

body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  background:var(--cream);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:radial-gradient(rgba(176,74,31,.05) 1px,transparent 1px);
  background-size:22px 22px;
  z-index:0;
}

a{color:inherit;text-decoration:none}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:28px;
  padding:14px clamp(18px,4vw,56px);
  background:rgba(253,246,238,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px}
.brand-name{font-weight:800;font-size:17px;letter-spacing:.5px;color:var(--brand-deep)}
.nav{display:flex;gap:26px;margin-left:auto;font-size:14.5px;color:var(--ink-soft)}
.nav a{position:relative;padding:4px 0;transition:color .2s}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--brand);transition:width .25s}
.nav a:hover{color:var(--brand-deep)}
.nav a:hover::after{width:100%}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.3px;
  transition:transform .18s,box-shadow .18s,background .18s;
  cursor:pointer;border:0;
}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -10px rgba(232,116,59,.8)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--brand-deep);border:1.5px solid var(--brand);padding:11.5px 24px}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-light{background:#fff;color:var(--brand-deep)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 24px -12px rgba(0,0,0,.5)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-outline-light:hover{background:rgba(255,255,255,.14)}

/* ---------- Layout ---------- */
.section{padding:clamp(56px,8vw,104px) clamp(18px,5vw,64px);max-width:1180px;margin:0 auto;position:relative;z-index:1}
.section-head{max-width:640px;margin-bottom:clamp(30px,4vw,52px)}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:2.5px;color:var(--brand);text-transform:uppercase;margin-bottom:12px}
.section h2{font-size:clamp(26px,3.4vw,40px);line-height:1.25;letter-spacing:-.5px;font-weight:800;color:var(--ink)}
.section-lead{margin-top:14px;color:var(--ink-soft);font-size:16px;max-width:560px}

/* ---------- Hero ---------- */
.hero{
  display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:40px;
  padding:clamp(44px,6vw,84px) clamp(18px,5vw,64px) clamp(56px,7vw,96px);
  max-width:1180px;margin:0 auto;position:relative;z-index:1;
}
.hero h1{
  font-size:clamp(46px,7.4vw,92px);
  line-height:1.02;letter-spacing:-2px;font-weight:900;
  margin:6px 0 22px;
}
.hero h1 .ink{
  color:var(--brand);
  position:relative;display:inline-block;
}
.hero h1 .ink::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:14px;
  background:var(--brand-soft);z-index:-1;border-radius:4px;
}
.hero-lead{font-size:clamp(15.5px,1.6vw,17.5px);color:var(--ink-soft);max-width:480px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 26px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;list-style:none}
.hero-tags li{
  font-size:12.5px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-soft);padding:6px 14px;border-radius:999px;
}

/* Hero art */
.hero-art{position:relative;height:420px}
.table-top{
  position:absolute;inset:10% 4%;
  border-radius:28px;
  background:
    radial-gradient(120% 90% at 30% 18%,#fff6ec 0%,#fbe4d3 45%,#f2cdb2 100%);
  border:1px solid rgba(176,74,31,.18);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.9),
    inset 0 -22px 44px rgba(176,74,31,.10),
    0 18px 40px -26px rgba(90,50,25,.5);
}
.table-top::before{
  content:"";
  position:absolute;inset:14px;
  border-radius:20px;
  border:1px dashed rgba(176,74,31,.22);
}
.table-top::after{
  content:"";
  position:absolute;left:50%;top:50%;
  width:96px;height:96px;margin:-48px 0 0 -48px;
  border-radius:50%;
  border:1px solid rgba(176,74,31,.16);
  background:radial-gradient(circle at 40% 35%,rgba(255,255,255,.85),rgba(255,255,255,0) 70%);
}
.tile{
  position:absolute;display:flex;flex-direction:column;align-items:center;justify-content:center;
  width:88px;height:118px;border-radius:12px;
  background:linear-gradient(160deg,#fffdf9,#f6e8d8);
  border:2px solid #fff;
  box-shadow:0 14px 26px -14px rgba(90,50,25,.55);
  font-weight:800;
}
.tile span{font-size:26px;color:var(--brand-deep);line-height:1}
.tile em{font-style:normal;font-size:15px;color:var(--ink-soft);margin-top:2px}
.tile-a{top:14%;left:10%;transform:rotate(-12deg);animation:float 6s ease-in-out infinite}
.tile-b{top:6%;right:16%;transform:rotate(9deg);animation:float 7s ease-in-out infinite .6s}
.tile-b span{color:var(--accent);font-size:34px}
.tile-c{bottom:12%;left:18%;transform:rotate(7deg);animation:float 6.5s ease-in-out infinite 1.1s}
.tile-d{bottom:8%;right:8%;transform:rotate(-8deg);animation:float 7.5s ease-in-out infinite .3s}
.tile-d span{color:var(--accent);font-size:32px}
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -12px}}

/* ---------- Games ---------- */
.game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.game-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;box-shadow:var(--shadow-soft);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.game-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--brand-soft)}
.game-icon{width:52px;height:52px;border-radius:14px;background:var(--brand-soft);color:var(--brand-deep);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.game-icon svg{width:30px;height:30px}
.game-card h3{font-size:21px;font-weight:800;margin-bottom:10px}
.game-card p{font-size:14.5px;color:var(--ink-soft)}
.mini-list{list-style:none;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);display:grid;gap:7px}
.mini-list li{font-size:13.5px;color:var(--ink-soft);padding-left:18px;position:relative}
.mini-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;background:var(--brand);opacity:.65}

/* ---------- Steps ---------- */
.how{background:var(--cream-2);border-radius:36px;max-width:1180px;border:1px solid var(--line)}
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:s}
.step{position:relative;padding:26px 24px;background:rgba(255,255,255,.7);border-radius:var(--radius-md);border:1px solid rgba(230,211,191,.8)}
.step-num{display:inline-block;font-size:13px;font-weight:800;letter-spacing:1px;color:var(--brand);background:#fff;border:1px solid var(--brand-soft);padding:3px 12px;border-radius:999px;margin-bottom:14px}
.step h3{font-size:19px;font-weight:800;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-soft)}

/* ---------- Promise ---------- */
.promise-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(30px,5vw,64px);align-items:start}
.promise-copy h2{font-size:clamp(28px,3.6vw,44px);font-weight:900;line-height:1.18;letter-spacing:-1px;margin-bottom:16px}
.promise-list{list-style:none;display:grid;gap:16px}
.promise-list li{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;box-shadow:var(--shadow-soft);transition:border-color .2s}
.promise-list li:hover{border-color:var(--brand)}
.promise-list svg{width:30px;height:30px;flex-shrink:0;color:var(--accent);margin-top:2px}
.promise-list h3{font-size:16.5px;font-weight:800;margin-bottom:4px}
.promise-list p{font-size:14px;color:var(--ink-soft)}

/* ---------- Scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.scene-card{
  padding:28px 26px;border-radius:var(--radius-lg);
  background:linear-gradient(150deg,#fff,#fdf1e5);
  border:1px solid var(--line);
  transition:transform .2s;
}
.scene-card:hover{transform:translateY(-4px)}
.scene-card h3{font-size:18.5px;font-weight:800;margin-bottom:8px;color:var(--brand-deep)}
.scene-card p{font-size:14.5px;color:var(--ink-soft)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:820px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:0 24px;transition:border-color .2s,box-shadow .2s}
.faq-list details[open]{border-color:var(--brand);box-shadow:var(--shadow-soft)}
.faq-list summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-size:22px;color:var(--brand);font-weight:400;transition:transform .2s}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list p{padding:0 0 20px;font-size:14.5px;color:var(--ink-soft)}

/* ---------- CTA ---------- */
.cta{padding:0 clamp(18px,5vw,64px) clamp(56px,7vw,96px);max-width:1180px;margin:0 auto;position:relative;z-index:1}
.cta-inner{
  position:relative;overflow:hidden;
  background:linear-gradient(125deg,var(--brand-deep),var(--brand) 55%,#f08a4f);
  border-radius:36px;padding:clamp(44px,6vw,76px) clamp(28px,5vw,64px);
  color:#fff;text-align:center;
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1.5px,transparent 1.5px);
  background-size:26px 26px;opacity:.5;pointer-events:none;
}
.cta-inner h2{font-size:clamp(28px,4vw,46px);font-weight:900;letter-spacing:-1px;line-height:1.2;position:relative}
.cta-inner p{margin:16px auto 30px;max-width:520px;font-size:16px;color:rgba(255,255,255,.9);position:relative}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}

/* ---------- Footer ---------- */
.site-footer{background:#2b1d15;color:#d9c7b8;padding:clamp(44px,5vw,64px) clamp(18px,5vw,64px) 28px;position:relative;z-index:1}
.footer-main{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand-name{color:#f5c9a8;font-size:18px}
.footer-brand p{margin-top:12px;font-size:14px;color:#a8927f;max-width:280px}
.footer-col h4{font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:#f5c9a8;margin-bottom:14px;font-weight:700}
.footer-col a{display:block;font-size:14px;color:#c9b5a4;margin-bottom:9px;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{max-width:1180px;margin:36px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:12.5px;color:#8d7a6b}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero{grid-template-columns:1fr;gap:8px}
  .hero-art{height:300px;order:-1;max-width:420px;margin:0 auto;width:100%}
  .game-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .promise-grid{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr 1fr}
}

@media(max-width:768px){
  .nav{display:none}
  .site-header{gap:12px}
  .hero{padding-top:32px}
  .hero h1{font-size:clamp(42px,12vw,60px)}
  .scene-grid{grid-template-columns:1fr}
  .how{border-radius:24px}
  .cta-inner{border-radius:24px}
  .footer-main{grid-template-columns:1fr;gap:24px}
  .hero-art{height:260px}
  .table-top{inset:8% 2%;border-radius:22px}
  .table-top::before{inset:10px;border-radius:16px}
  .table-top::after{width:70px;height:70px;margin:-35px 0 0 -35px}
  .tile{width:70px;height:96px}
  .tile span{font-size:21px}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}