:root{
  --y:#FFD21E;
  --y-d:#D9A800;
  --y-l:#FFF9E2;
  --ink:#15130E;
  --gray:#6E6759;
  --line:#E9DFC0;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--ink);background:#fff;line-height:1.85;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.35;font-weight:800}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 26px}
.doc{max-width:850px}

/* ============ 顶栏：黄底黑字 ============ */
.hd{position:sticky;top:0;z-index:90;background:var(--y);border-bottom:2px solid var(--ink)}
.hd-in{display:flex;align-items:center;height:68px;gap:18px}
.hd-brand{display:flex;align-items:center;gap:10px;flex:none}
.hd-brand img{width:36px;height:36px;border-radius:9px;border:2px solid var(--ink);background:#fff}
.hd-brand b{font-size:17.5px;letter-spacing:.4px}
.hd-nav{display:flex;margin-left:auto;font-size:13px;font-weight:700}
.hd-nav a{padding:0 13px;border-left:1px solid rgba(21,19,14,.16)}
.hd-nav a:first-child{border-left:0}
.hd-nav a:hover{color:#7A5B00;text-decoration:underline;text-underline-offset:5px}
.hd-cta{
  flex:none;background:var(--ink);color:var(--y);font-size:12.5px;font-weight:800;
  border-radius:999px;padding:10px 21px;letter-spacing:.4px;
}
.hd-cta:hover{background:#332D1E}
.hd-menu{display:none;background:none;border:0;cursor:pointer;color:var(--ink);padding:4px}

/* ============ 英雄区 ============ */
.hero{
  position:relative;overflow:hidden;padding:58px 0 54px;
  background:linear-gradient(180deg,#FFFDF4 0%,#fff 72%);
}
.hero-in{display:grid;grid-template-columns:1.04fr .96fr;gap:46px;align-items:center}
.kick{
  display:inline-block;font-size:10.5px;letter-spacing:3px;font-weight:700;
  border:1.5px solid var(--ink);border-radius:3px;padding:3px 10px;margin-bottom:18px;
}
.hero h1{font-size:60px;letter-spacing:-1.4px;margin-bottom:14px}
.hero h1 span{
  display:inline-block;background:var(--y);border:2px solid var(--ink);
  padding:0 10px;transform:rotate(-1.4deg);border-radius:6px;
}
.hero .lead{font-size:19px;font-weight:800;margin-bottom:14px}
.hero .desc{font-size:14.8px;color:#514A3C;margin-bottom:26px;max-width:566px}
.acts{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:var(--y);
  padding:14px 30px;border-radius:8px;font-weight:800;font-size:15px;
  box-shadow:4px 4px 0 var(--y);border:2px solid var(--ink);
}
.btn svg{width:17px;height:17px}
.btn:hover{background:#332D1E}
.ghost{
  display:inline-flex;align-items:center;padding:12px 21px;border-radius:8px;
  background:#fff;border:2px solid var(--ink);font-size:13.5px;font-weight:700;
}
.ghost:hover{background:var(--y-l)}

/* 右侧叠卡 */
.stack{position:relative;height:472px}
.stack::before{
  content:"";position:absolute;left:5%;right:5%;top:10%;bottom:7%;
  background:var(--y);border:2px solid var(--ink);border-radius:16px;transform:rotate(-3.4deg);
}
.card{
  position:absolute;border:3px solid var(--ink);border-radius:12px;overflow:hidden;
  background:#fff;box-shadow:7px 7px 0 rgba(21,19,14,.16);
}
.card img{width:100%;height:100%;object-fit:cover}
.card b{
  position:absolute;left:0;bottom:0;background:var(--ink);color:var(--y);
  font-size:10.5px;letter-spacing:1.2px;padding:4px 10px;
}
.c1{width:66%;height:79%;left:0;top:5%;transform:rotate(-3deg);z-index:3}
.c2{width:50%;height:45%;right:0;top:2%;transform:rotate(2.6deg);z-index:4}
.c3{width:53%;height:43%;right:3%;bottom:1%;transform:rotate(-1.6deg);z-index:4}

/* 英雄区底部横条 */
.herobar{
  display:grid;grid-template-columns:repeat(4,1fr);margin-top:46px;
  border:2px solid var(--ink);border-radius:12px;overflow:hidden;background:#fff;
}
.hb{padding:16px 18px;border-left:1px dashed #DCCFA6}
.hb:first-child{border-left:0}
.hb b{display:block;font-size:15px}
.hb span{font-size:11.5px;color:var(--gray)}

/* ============ 通用区块 ============ */
.sec{padding:66px 0}
.sec-tint{background:var(--y-l);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-h{margin-bottom:30px}
.sec-h .tag{
  display:inline-block;font-size:10px;letter-spacing:3px;font-weight:800;
  background:var(--ink);color:var(--y);padding:3px 10px;border-radius:3px;margin-bottom:10px;
}
.sec-h h2{font-size:30px;margin-bottom:8px}
.sec-h p{font-size:14.8px;color:var(--gray)}

/* ============ 入口：菜单票据 ============ */
.ticket{border:2px solid var(--ink);border-radius:14px;overflow:hidden;background:#fff}
.trow{
  display:grid;grid-template-columns:44px 1fr 118px;gap:18px;align-items:start;
  padding:21px 24px;border-bottom:1px dashed #DCCFA6;
}
.trow:last-child{border-bottom:0}
.trow:nth-child(even){background:#FFFDF3}
.tno{
  width:38px;height:38px;border-radius:8px;background:var(--ink);color:var(--y);
  display:flex;align-items:center;justify-content:center;
  font-family:"SFMono-Regular",Consolas,monospace;font-size:14px;font-weight:800;
}
.trow h4{font-size:16px;margin-bottom:3px}
.trow p{font-size:13.6px;color:#514A3C}
.trow code{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:12.6px;
  background:var(--y-l);border:1px solid var(--line);padding:1px 5px;border-radius:3px;
}
.tstamp{
  justify-self:end;font-size:10.5px;letter-spacing:1.2px;color:#8A6A00;
  border:1px solid var(--y-d);border-radius:999px;padding:3px 11px;white-space:nowrap;
}
.tnote{margin-top:18px;font-size:13px;color:var(--gray);padding-left:15px;border-left:3px solid var(--y)}

/* ============ 特色：黑头条卡 ============ */
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fcard{border:2px solid var(--ink);border-radius:10px;overflow:hidden;background:#fff}
.fhead{display:flex;align-items:center;gap:10px;background:var(--ink);color:#fff;padding:12px 15px}
.fno{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:12px;font-weight:800;
  color:var(--y);letter-spacing:1px;
}
.fhead h4{font-size:15px}
.fbody{padding:14px 16px 16px;font-size:13.4px;color:#514A3C}
.fcard:nth-child(2),.fcard:nth-child(6){background:#FFFDF3}

/* ============ 界面：一大两小 ============ */
.shots{display:grid;grid-template-columns:1.24fr 1fr;gap:16px;align-items:stretch}
.sframe{border:3px solid var(--ink);border-radius:10px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.sframe img{width:100%;flex:1;object-fit:cover;min-height:0}
.shotbig img{aspect-ratio:3/4.05}
.shotcol{display:grid;grid-template-rows:1fr 1fr;gap:16px}
.slabel{background:var(--ink);color:#fff;padding:10px 14px;display:flex;gap:10px;align-items:baseline}
.slabel b{font-size:13px;color:var(--y);flex:none}
.slabel span{font-size:11.5px;color:rgba(255,255,255,.72)}
.guidebox{
  margin-top:26px;background:var(--y);border:2px solid var(--ink);border-radius:14px;
  padding:28px 32px;box-shadow:8px 8px 0 rgba(21,19,14,.12);
}
.guidebox h4{font-size:16px;letter-spacing:.5px;margin-bottom:16px}
.guidebox h4 em{font-style:normal;font-size:10px;letter-spacing:2.6px;margin-left:10px;color:#6E5200;font-weight:700}
.gv{list-style:none;display:grid;gap:12px}
.gv li{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:baseline;font-size:13.8px}
.gn{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:22px;font-weight:800;
  color:transparent;-webkit-text-stroke:1.4px var(--ink);line-height:1;
}

/* ============ FAQ：双列卡 ============ */
.faqgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fq{
  border:1.5px solid var(--ink);border-radius:10px;background:#fff;padding:18px 20px 19px;
  box-shadow:0 0 0 0 transparent;
}
.fq:last-child{grid-column:1/-1}
.fq h3{font-size:15.5px;display:flex;gap:9px;align-items:flex-start;margin-bottom:6px}
.fq h3::before{
  content:"Q";flex:none;width:20px;height:20px;border-radius:5px;background:var(--y);
  border:1.5px solid var(--ink);font-size:11px;font-weight:800;
  display:flex;align-items:center;justify-content:center;margin-top:4px;
}
.fq p{font-size:13.5px;color:#514A3C;padding-left:29px}

/* ============ 评价：小票卡 ============ */
.receipts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.rcpt{
  position:relative;background:#fff;border-top:2px solid var(--ink);
  border-left:2px solid var(--ink);border-right:2px solid var(--ink);
  border-radius:8px 8px 0 0;padding:18px 18px 22px;
}
.rcpt::after{
  content:"";position:absolute;left:0;right:0;bottom:-9px;height:9px;
  background-image:
    linear-gradient(135deg,#fff 50%,transparent 50%),
    linear-gradient(225deg,#fff 50%,transparent 50%);
  background-size:12px 12px;background-repeat:repeat-x;background-position:0 0;
}
.rcpt .rq{font-size:13.3px;color:#514A3C;margin-bottom:12px}
.rcpt .rq::before{content:"“";color:var(--y-d);font-size:22px;font-weight:800;line-height:0;margin-right:1px}
.rcpt .rw{
  font-size:10.8px;color:var(--gray);letter-spacing:.5px;
  border-top:1px dashed #DCCFA6;padding-top:9px;
}
.rcpt .rw b{color:var(--ink);font-size:11.5px}
.rcpt .rw time{font-family:"SFMono-Regular",Consolas,monospace}
.rcpt:nth-child(2){margin-top:18px}

/* ============ 下载：黄色横幅 ============ */
.dlband{
  position:relative;overflow:hidden;background:var(--y);
  border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);padding:56px 0;
}
.dlband::after{
  content:"BAOZI";position:absolute;right:8px;bottom:-34px;
  font-size:132px;font-weight:900;letter-spacing:6px;color:rgba(21,19,14,.07);
  pointer-events:none;font-family:"SFMono-Regular",Consolas,monospace;
}
.dl-in{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:34px;align-items:center}
.dlogo{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.dlogo img{width:52px;height:52px;border-radius:12px;border:2px solid var(--ink);background:#fff}
.dlogo em{font-style:normal;font-size:10px;letter-spacing:3px;font-weight:700;color:#6E5200;text-transform:uppercase}
.dl-in h2{font-size:31px;margin-bottom:9px}
.dl-in h2 em{font-style:normal;background:#fff;border:2px solid var(--ink);padding:0 9px;border-radius:6px}
.dl-in p{font-size:13.6px;color:#443C28;max-width:580px}
.dm{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.dm span{
  font-size:11px;background:rgba(255,255,255,.72);border:1px solid var(--ink);
  border-radius:999px;padding:2px 11px;
}
.dl-in .btn{background:var(--ink);color:var(--y);box-shadow:5px 5px 0 #fff;white-space:nowrap}

/* ============ 页脚 ============ */
.ft{background:var(--ink);color:#B7B0A0;padding:40px 0 30px;font-size:12.4px}
.ft-in{text-align:center}
.ft-top{display:flex;align-items:center;justify-content:center;gap:9px;margin-bottom:12px}
.ft-top img{width:26px;height:26px;border-radius:7px}
.ft-top strong{color:#fff;font-size:14px}
.ft p{max-width:680px;margin:0 auto 16px;line-height:1.95}
.ft-links{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-bottom:15px;font-size:11.9px}
.ft-links a{color:var(--y)}
.ft-links a:hover{text-decoration:underline;text-underline-offset:4px}
.ft-copy{font-size:11px;color:#7E7869;line-height:1.9;border-top:1px solid #2C2820;padding-top:14px;max-width:560px;margin:0 auto}

/* ============ 返回顶部 ============ */
.backtop{
  position:fixed;right:24px;bottom:88px;z-index:70;width:42px;height:42px;border-radius:10px;
  background:var(--y);border:2px solid var(--ink);color:var(--ink);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:3px 3px 0 var(--ink);
}
.backtop:hover{background:#fff}

/* ============ 响应式 ============ */
@media (max-width:980px){
  .hero-in{grid-template-columns:1fr;gap:40px}
  .stack{max-width:430px;margin:0 auto;width:100%}
  .fgrid{grid-template-columns:1fr 1fr}
  .receipts{grid-template-columns:1fr 1fr}
  .rcpt:nth-child(2){margin-top:0}
  .shots{grid-template-columns:1fr}
  .shotcol{grid-template-rows:auto auto;grid-template-columns:1fr 1fr}
  .dl-in{grid-template-columns:1fr;gap:24px}
}
@media (max-width:760px){
  .hd-nav{
    display:none;position:absolute;top:68px;left:0;right:0;
    background:var(--y);border-bottom:2px solid var(--ink);
    padding:6px 20px;flex-direction:column;
  }
  .hd-nav.open{display:flex}
  .hd-nav a{padding:10px 2px;border-left:0;border-bottom:1px solid rgba(21,19,14,.14)}
  .hd-menu{display:block;margin-left:auto}
  .hd-cta{padding:8px 14px;font-size:11.5px}
  .hero{padding:36px 0 38px}
  .hero h1{font-size:42px}
  .hero .lead{font-size:17px}
  .stack{height:370px}
  .herobar{grid-template-columns:1fr 1fr}
  .hb:nth-child(3){border-left:0}
  .hb{border-top:1px dashed #DCCFA6}
  .hb:nth-child(-n+2){border-top:0}
  .sec{padding:46px 0}
  .sec-h h2{font-size:24px}
  .trow{grid-template-columns:38px 1fr;padding:18px}
  .tstamp{grid-column:2;justify-self:start;margin-top:4px}
  .fgrid{grid-template-columns:1fr}
  .faqgrid{grid-template-columns:1fr}
  .fq p{padding-left:0}
  .receipts{grid-template-columns:1fr}
  .shotcol{grid-template-columns:1fr;grid-template-rows:auto auto}
  .guidebox{padding:22px 20px;box-shadow:6px 6px 0 rgba(21,19,14,.12)}
  .gv li{grid-template-columns:40px 1fr;gap:10px}
  .dlband{padding:40px 0}
  .dl-in h2{font-size:24px}
  .backtop{right:16px;bottom:76px}
}