:root{
  --coral:#F4553C;
  --coral-d:#C9351F;
  --coral-l:#FFE9E2;
  --navy:#171A26;
  --navy-l:#232838;
  --cream:#FFF8F4;
  --line:#F1DED6;
  --gray:#6F665F;
}
*{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(--navy);background:#fff;line-height:1.8;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:1100px;margin:0 auto;padding:0 26px}
.doc{max-width:840px}

/* ============ 顶栏：深海军蓝 ============ */
.hd{position:sticky;top:0;z-index:90;background:var(--navy);color:#fff}
.hd-in{display:flex;align-items:center;height:68px;gap:16px}
.hd-brand{display:flex;align-items:center;gap:10px;flex:none}
.hd-brand img{width:34px;height:34px;border-radius:9px}
.hd-brand b{font-size:17px;letter-spacing:.5px}
.hd-nav{display:flex;gap:22px;margin-left:auto;font-size:13px;color:rgba(255,255,255,.72);font-weight:600}
.hd-nav a:hover{color:#fff}
.hd-cta{
  flex:none;background:var(--coral);color:#fff;font-size:12.5px;font-weight:800;
  border-radius:6px;padding:9px 18px;box-shadow:0 3px 0 rgba(0,0,0,.28);
}
.hd-cta:hover{background:var(--coral-d)}
.hd-menu{display:none;background:none;border:0;cursor:pointer;color:#fff;padding:4px}

/* ============ 英雄区 ============ */
.hero{
  position:relative;overflow:hidden;padding:58px 0 50px;
  background:
    radial-gradient(560px 420px at 88% 8%,rgba(244,85,60,.16),transparent 70%),
    linear-gradient(180deg,#FFF4EF 0%,#fff 78%);
}
.hero-in{display:grid;grid-template-columns:1fr .95fr;gap:40px;align-items:center}
.kick{
  display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:2.4px;
  color:var(--coral-d);font-weight:700;margin-bottom:16px;
}
.kick::before{content:"";width:22px;height:2px;background:var(--coral)}
.hero h1{font-size:58px;letter-spacing:-1px;margin-bottom:12px}
.hero h1 span{color:var(--coral)}
.hero .lead{font-size:19px;font-weight:800;color:var(--navy);margin-bottom:12px}
.hero .desc{font-size:14.8px;color:#5C5450;margin-bottom:26px;max-width:540px}
.acts{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:8px;background:var(--coral);color:#fff;
  padding:13px 28px;border-radius:8px;font-weight:800;font-size:15px;
  box-shadow:0 6px 16px rgba(244,85,60,.28);
}
.btn svg{width:17px;height:17px}
.btn:hover{background:var(--coral-d)}
.ghost{
  display:inline-flex;align-items:center;padding:12px 20px;border-radius:8px;
  border:1.5px solid rgba(23,26,38,.24);font-size:13.5px;font-weight:700;
}
.ghost:hover{border-color:var(--coral);color:var(--coral-d)}

/* 扇形叠卡 */
.fan{position:relative;height:450px}
.fan::before{
  content:"";position:absolute;left:11%;right:11%;top:6%;bottom:6%;
  background:radial-gradient(circle at 50% 45%,rgba(244,85,60,.22),rgba(244,85,60,.05) 62%,transparent 70%);
  border-radius:50%;
}
.mcard{
  position:absolute;width:47%;border-radius:14px;overflow:hidden;background:#fff;
  border:5px solid #fff;box-shadow:0 18px 40px rgba(23,26,38,.24);
}
.mcard img{width:100%;height:100%;object-fit:cover}
.m1{left:0;top:15%;height:70%;transform:rotate(-7deg);z-index:1}
.m2{left:26.5%;top:3%;height:82%;transform:rotate(0deg);z-index:3}
.m3{right:0;top:17%;height:68%;transform:rotate(7deg);z-index:2}

/* 更新日历条 */
.cal{
  margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px 20px 18px;box-shadow:0 10px 26px rgba(23,26,38,.05);
}
.cal-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.cal-h b{font-size:13.5px}
.cal-h span{font-size:11px;color:var(--gray)}
.cal-row{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.day{
  text-align:center;padding:9px 0 8px;border-radius:8px;background:var(--cream);
}
.day i{display:block;font-style:normal;font-size:10.5px;color:var(--gray);margin-bottom:3px}
.day b{font-size:13px}
.day.on{background:var(--coral);color:#fff}
.day.on i{color:rgba(255,255,255,.78)}

/* ============ 通用区块 ============ */
.sec{padding:64px 0}
.sec-tint{background:var(--cream);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-h{margin-bottom:28px}
.sec-h .tag{
  display:inline-block;font-size:10px;letter-spacing:3px;color:var(--coral-d);
  font-weight:800;margin-bottom:8px;
}
.sec-h h2{font-size:30px;margin-bottom:8px}
.sec-h p{font-size:14.6px;color:var(--gray)}

/* ============ 入口：两栏对照 ============ */
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cmp-col{border-radius:12px;padding:20px 22px;background:#fff;border:1px solid var(--line)}
.cmp-col.bad{background:#FBF7F5}
.cmp-col h4{font-size:14.5px;display:flex;align-items:center;gap:8px;margin-bottom:12px}
.cmp-col h4 em{
  font-style:normal;width:20px;height:20px;border-radius:50%;display:flex;
  align-items:center;justify-content:center;font-size:12px;color:#fff;
}
.cmp-col.good h4 em{background:var(--coral)}
.cmp-col.bad h4 em{background:#9A918B}
.cmp-col ul{list-style:none;display:grid;gap:9px}
.cmp-col li{font-size:13.4px;color:#544C47;padding-left:17px;position:relative}
.cmp-col li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--coral)}
.cmp-col.bad li::before{background:#B7ADA6}
.cmp-note{
  margin-top:18px;font-size:13px;color:var(--gray);text-align:center;
}
.cmp-note b{color:var(--coral-d)}

/* ============ 特色：双列行 ============ */
.feats{display:grid;grid-template-columns:1fr 1fr;gap:0 34px}
.fl{
  display:grid;grid-template-columns:40px 1fr;gap:14px;align-items:start;
  padding:16px 0;border-top:1px dashed #E7D5CD;
}
.feats .fl:nth-child(1),.feats .fl:nth-child(2){border-top:0}
.fi{
  width:32px;height:32px;border-radius:50%;background:var(--coral-l);color:var(--coral-d);
  display:flex;align-items:center;justify-content:center;
  font-family:"SFMono-Regular",Consolas,monospace;font-size:11.5px;font-weight:800;margin-top:2px;
}
.fl h4{font-size:15.5px;margin-bottom:3px}
.fl p{font-size:13.5px;color:#5C5450}

/* ============ 界面：顶部标签三图 ============ */
.shot3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.s3{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.s3 b{
  display:block;background:var(--navy);color:#fff;font-size:12.5px;
  padding:9px 14px;letter-spacing:.5px;
}
.s3 img{width:100%;aspect-ratio:3/4;object-fit:cover}
.s3 span{display:block;padding:10px 14px 13px;font-size:12.4px;color:var(--gray)}
.nightguide{
  margin-top:24px;background:var(--navy);color:#fff;border-radius:14px;
  padding:26px 30px;display:grid;grid-template-columns:180px 1fr;gap:22px;align-items:center;
}
.nightguide h4{font-size:16px;color:#fff}
.nightguide h4 em{
  display:block;font-style:normal;font-size:10px;letter-spacing:2.4px;
  color:rgba(255,255,255,.45);margin-top:4px;font-weight:600;
}
.ng{list-style:none;display:grid;gap:9px}
.ng li{display:grid;grid-template-columns:26px 1fr;gap:10px;font-size:13.2px;color:rgba(255,255,255,.78)}
.ng .nn{color:var(--coral);font-family:"SFMono-Regular",Consolas,monospace;font-weight:800;font-size:12px;padding-top:3px}

/* ============ FAQ：大问号条目 ============ */
.faqs{display:grid;grid-template-columns:1fr 1fr;gap:0 34px}
.fq-item{padding:18px 0;border-top:1px solid #EADCD6}
.faqs .fq-item:nth-child(1),.faqs .fq-item:nth-child(2){border-top:0}
.fq-item h3{font-size:15.5px;display:flex;gap:10px;align-items:baseline;margin-bottom:4px}
.fq-item h3::before{content:"?";color:var(--coral);font-family:Georgia,serif;font-size:20px;font-weight:700;line-height:1}
.fq-item p{font-size:13.4px;color:#5C5450;padding-left:19px}

/* ============ 评价：拍立得 ============ */
.polas{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pola{
  background:#fff;border:1px solid var(--line);border-radius:6px;padding:18px 16px 14px;
  box-shadow:0 12px 26px rgba(23,26,38,.08);
}
.pola:nth-child(2){transform:rotate(1.4deg)}
.pola:nth-child(1){transform:rotate(-1.2deg)}
.pola:nth-child(3){transform:rotate(1deg)}
.pola blockquote{font-size:13.2px;color:#544C47}
.pola .who{
  display:flex;align-items:center;gap:8px;margin-top:12px;padding-top:10px;
  border-top:1px dashed #E7D5CD;font-size:10.8px;color:var(--gray);
}
.pola .who i{
  width:22px;height:22px;border-radius:50%;background:var(--coral-l);color:var(--coral-d);
  font-style:normal;font-size:10.5px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.pola .who time{font-family:"SFMono-Regular",Consolas,monospace;letter-spacing:0}

/* ============ 下载：居中深色 ============ */
.dlsec{background:var(--navy);color:#fff;padding:58px 0;position:relative;overflow:hidden}
.dlsec::before{
  content:"";position:absolute;right:-90px;top:-70px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle at 38% 38%,#FF8A6B,var(--coral) 58%,#B82914 100%);
  opacity:.9;
}
.dlsec::after{
  content:"";position:absolute;right:14px;top:-30px;width:180px;height:180px;border-radius:50%;
  background:var(--navy);
}
.dl-in{position:relative;z-index:1;max-width:700px}
.dlogo{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.dlogo img{width:46px;height:46px;border-radius:11px}
.dlogo em{font-style:normal;font-size:10px;letter-spacing:3px;color:rgba(255,255,255,.55);text-transform:uppercase}
.dl-in h2{font-size:32px;margin-bottom:10px}
.dl-in h2 em{font-style:normal;color:#FFB4A3}
.dl-in p{font-size:13.8px;color:rgba(255,255,255,.72);margin-bottom:20px}
.dm{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.dm span{font-size:11px;border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:3px 11px;color:rgba(255,255,255,.8)}
.dl-in .btn{box-shadow:0 8px 20px rgba(0,0,0,.32)}

/* ============ 页脚 ============ */
.ft{background:#fff;border-top:2px solid var(--coral);padding:34px 0 26px;font-size:12.2px;color:var(--gray)}
.ft-in{display:flex;flex-wrap:wrap;gap:10px 26px;align-items:flex-start;justify-content:space-between}
.ft-brand{display:flex;align-items:center;gap:9px;color:var(--navy);font-weight:800;font-size:13.5px}
.ft-brand img{width:24px;height:24px;border-radius:6px}
.ft p{max-width:520px;line-height:1.9}
.ft-links{display:flex;gap:16px;flex-wrap:wrap;font-size:11.8px}
.ft-links a:hover{color:var(--coral-d)}
.ft-copy{width:100%;border-top:1px solid var(--line);padding-top:13px;font-size:11px;color:#A79C96;line-height:1.9}

/* ============ 返回顶部 ============ */
.backtop{
  position:fixed;right:24px;bottom:88px;z-index:70;width:42px;height:42px;border-radius:50%;
  background:#fff;border:1.5px solid rgba(23,26,38,.2);color:var(--navy);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 6px 16px rgba(23,26,38,.12);
}
.backtop:hover{background:var(--coral);color:#fff;border-color:var(--coral)}

/* ============ 响应式 ============ */
@media (max-width:960px){
  .hero-in{grid-template-columns:1fr;gap:38px}
  .fan{max-width:430px;margin:0 auto;width:100%;height:400px}
  .feats{grid-template-columns:1fr}
  .feats .fl:nth-child(2){border-top:1px dashed #E7D5CD}
  .faqs{grid-template-columns:1fr}
  .faqs .fq-item:nth-child(2){border-top:1px solid #EADCD6}
  .nightguide{grid-template-columns:1fr;gap:12px}
  .polas{grid-template-columns:1fr 1fr}
  .pola:nth-child(3){display:none}
}
@media (max-width:760px){
  .hd-nav{
    display:none;position:absolute;top:68px;left:0;right:0;
    background:var(--navy-l);padding:6px 20px;flex-direction:column;gap:0;margin-left:0;
  }
  .hd-nav.open{display:flex}
  .hd-nav a{padding:10px 2px}
  .hd-menu{display:block;margin-left:auto}
  .hd-cta{padding:8px 13px;font-size:11.5px}
  .hero{padding:34px 0 36px}
  .hero h1{font-size:40px}
  .hero .lead{font-size:17px}
  .fan{height:340px}
  .cal-row{grid-template-columns:repeat(7,1fr);gap:3px}
  .day{padding:7px 0 6px}
  .day b{font-size:11.5px}
  .cmp{grid-template-columns:1fr}
  .sec{padding:44px 0}
  .sec-h h2{font-size:24px}
  .shot3{display:flex;overflow-x:auto;gap:12px;scroll-snap-type:x mandatory}
  .s3{flex:0 0 78%;scroll-snap-align:start}
  .polas{grid-template-columns:1fr}
  .pola:nth-child(3){display:block}
  .pola:nth-child(2),.pola:nth-child(3){transform:none}
  .dl-in h2{font-size:25px}
  .dlsec::before{right:-120px;opacity:.45}
  .dlsec::after{display:none}
  .ft-in{flex-direction:column}
  .backtop{right:16px;bottom:76px}
}