/* 包子漫画 · bzcomic2027.cn
   蒸笼白：纯白底 + 松绿 + 麦黄，大圆角与胶囊按钮，首屏居中。
   这套取值和另外两站没有一处重合。 */

:root{
  --bg:#FFFFFF;
  --mint:#F3F9F5;
  --mint-2:#E4F1E9;
  --ink:#12241C;
  --dim:#5C726A;
  --green:#17614C;
  --green-d:#0F4838;
  --maize:#EFBF4A;
  --line:#E2EEE7;
  --sh:0 24px 48px -34px rgba(20,60,45,.55);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.72 -apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
.wrap{width:min(1100px,calc(100% - 88px));margin:0 auto}

.skip{position:absolute;left:-9999px;background:var(--green);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:8px;top:8px}

h1,h2{margin:0;font-weight:800;letter-spacing:-.03em;line-height:1.15}
.kick{
  display:inline-block;font-size:11.5px;letter-spacing:.18em;font-weight:700;
  color:var(--green);background:var(--mint-2);padding:6px 14px;border-radius:999px;
  margin-bottom:20px;
}

/* 顶栏 */
.top{
  position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid transparent;
  transition:border-color .2s,box-shadow .2s;
}
.top.on{border-bottom-color:var(--line);box-shadow:0 12px 26px -24px rgba(18,36,28,.7)}
.top-in{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.02em}
.brand img{width:36px;height:36px;border-radius:11px;display:block}
.top nav{display:flex;gap:26px;margin-left:auto;font-size:14px;color:var(--dim)}
.top nav a:hover{color:var(--green)}
.top-cta{
  background:var(--green);color:#fff;font-size:14px;font-weight:600;
  padding:11px 22px;border-radius:999px;
  box-shadow:0 14px 26px -18px rgba(23,97,76,.95);
}
.top-cta:not([hidden]){display:inline-flex;align-items:center;justify-content:center}
.top-cta:hover{background:var(--green-d)}
.no-dl .top-cta{display:none}

/* 首屏 */
.hero{padding:58px 0 0;text-align:center}
.hero h1{font-size:clamp(36px,4.2vw,58px)}
.hero .lead{
  margin:24px auto 0;max-width:620px;font-size:15.5px;line-height:1.85;color:var(--dim);
}
.acts{display:flex;justify-content:center;gap:14px;margin-top:32px;flex-wrap:wrap}
.btn{
  border-radius:999px;padding:15px 30px;font-size:15px;font-weight:600;
  transition:transform .16s,background .18s,box-shadow .18s;
}
.btn:not([hidden]){display:inline-flex;align-items:center;justify-content:center}
.btn-p{background:var(--green);color:#fff;box-shadow:0 18px 32px -20px rgba(23,97,76,.95)}
.btn-p:hover{background:var(--green-d);transform:translateY(-1px)}
.btn-s{background:var(--mint);color:var(--green);box-shadow:inset 0 0 0 1px var(--mint-2)}
.btn-s:hover{transform:translateY(-1px)}
.hero-note{margin-top:16px;font-size:13px;color:var(--dim)}

/* 滑动展示 */
.stage{
  width:412px;margin:52px auto 0;background:var(--mint);border-radius:44px;
  padding:38px 56px 26px;box-shadow:0 -1px 0 var(--line) inset;
}
.viewer{width:300px;margin:0 auto;position:relative}
.frame{background:#12241C;border-radius:32px;padding:7px;box-shadow:0 30px 54px -34px rgba(18,36,28,.9)}
.track{
  display:flex;overflow-x:auto;overscroll-behavior-x:contain;
  scroll-snap-type:x mandatory;scrollbar-width:none;border-radius:26px;
}
.track::-webkit-scrollbar{display:none}
.slide{flex:0 0 100%;margin:0;scroll-snap-align:center}
.slide img{display:block;width:100%;height:auto;border-radius:26px;pointer-events:none}
.nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:2;
  width:32px;height:32px;border-radius:50%;padding:0;
  background:#fff;border:1px solid var(--line);color:var(--green);
  font-size:15px;line-height:1;cursor:pointer;box-shadow:0 8px 18px -10px rgba(18,36,28,.7);
}
.nav:not([hidden]){display:flex;align-items:center;justify-content:center}
.nav.prev{left:-44px}
.nav.next{right:-44px}
.nav[disabled]{opacity:.32;cursor:default}
.bar{margin-top:16px;display:flex;flex-direction:column;align-items:center;gap:9px}
.dots{display:flex;gap:7px}
.dots button{
  width:7px;height:7px;padding:0;border:0;border-radius:50%;
  background:#BFD5C8;cursor:pointer;transition:background .2s,width .2s;
}
.dots button[aria-current="true"]{background:var(--green);width:20px;border-radius:4px}
.now{font-size:12.5px;color:var(--dim)}
.now b{color:var(--ink);font-weight:700}

/* 区块 */
.sec{padding:90px 0}
.sec-mint{background:var(--mint)}
.sec-h{max-width:620px;margin-bottom:44px}
.sec-h h2{font-size:clamp(26px,2.7vw,35px)}
.sec-h .sub{margin-top:14px;color:var(--dim);font-size:14.5px}

/* 功能卡 */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cards li{
  background:#fff;border:1px solid var(--line);border-radius:24px;
  padding:26px 24px 26px;box-shadow:var(--sh);
}
.ic{
  width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.ic svg{width:21px;height:21px;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.ic-a{background:var(--mint-2)}
.ic-a svg{stroke:var(--green)}
.ic-b{background:#FDF1D4}
.ic-b svg{stroke:#A87C15}
.cards b{font-size:17px;letter-spacing:-.01em}
.cards p{margin-top:9px;font-size:13.8px;color:var(--dim);line-height:1.78}

/* 动线 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow li{position:relative;padding-right:14px}
.flow li:not(:last-child)::after{
  content:"";position:absolute;right:-12px;top:19px;width:22px;height:1px;background:#BFD9C9;
}
.flow .n{
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;background:#fff;border:1px solid var(--mint-2);
  font-size:14px;font-weight:800;color:var(--green);margin-bottom:16px;
}
.flow b{font-size:16.5px}
.flow p{margin-top:8px;font-size:13.8px;color:var(--dim);line-height:1.78}
.flow-note{
  margin-top:40px;padding-top:26px;border-top:1px solid var(--mint-2);
  font-size:13.5px;color:var(--dim);
}

/* 下载 */
.dl{padding:88px 0 96px}
.dl-card{
  background:linear-gradient(155deg,#186B53,#0E4335 72%);
  border-radius:34px;padding:52px 48px 46px;color:#EAF6F0;
  box-shadow:0 36px 60px -42px rgba(15,72,56,.95);
}
.dl-card .kick{background:rgba(255,255,255,.14);color:#D8EEE2}
.dl-h{max-width:560px}
.dl-h h2{font-size:clamp(26px,2.7vw,35px);color:#fff}
.dl-p{margin-top:12px;font-size:14.2px;color:#BBDCCB}
.pkgs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}
.pkg{
  background:#fff;color:var(--ink);border-radius:22px;padding:18px 18px 16px;
  grid-template-columns:40px minmax(0,1fr) 12px;gap:0 12px;align-items:center;
  transition:transform .16s;box-shadow:0 18px 30px -24px rgba(8,40,30,.9);
}
.pkg:not([hidden]){display:grid}
.pkg:hover{transform:translateY(-2px)}
.pkg-i{
  width:40px;height:40px;border-radius:50%;background:var(--mint-2);
  display:flex;align-items:center;justify-content:center;
}
.pkg-i svg{width:18px;height:18px;fill:none;stroke:var(--green);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.pkg-t b{display:block;font-size:14.5px}
.pkg-t i{display:block;font-style:normal;font-size:12px;color:var(--dim);margin-top:4px;line-height:1.5}
.pkg-a{color:#9BB8AA;font-size:14px;text-align:right}
.checks{
  display:grid;grid-template-columns:repeat(2,1fr);gap:9px 30px;
  margin-top:32px;padding-top:26px;border-top:1px solid rgba(255,255,255,.22);
}
.checks li{font-size:12.8px;color:#C6E2D3;padding-left:16px;position:relative}
.checks li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:50%;background:var(--maize)}
.dl:not(:has(.pkg:not([hidden]))){display:none}

/* 安装步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.steps li{
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px 24px 24px;
  box-shadow:var(--sh);
}
.steps span{
  display:flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:50%;background:var(--maize);color:#3E2E06;
  font-size:14px;font-weight:800;margin-bottom:16px;
}
.steps b{font-size:16.5px}
.steps p{margin-top:8px;font-size:13.8px;color:var(--dim);line-height:1.78}

/* 问答 */
.faq-in{max-width:840px;margin:0 auto}
.faq-l{text-align:center;margin-bottom:38px}
.faq-l h2{font-size:clamp(26px,2.7vw,35px)}
.faq-l .sub{margin-top:14px;font-size:14.5px;color:var(--dim)}
.faq-r details{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:18px 22px;margin-bottom:10px;
}
.faq-r summary{
  cursor:pointer;list-style:none;font-size:15.5px;font-weight:700;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-r summary::-webkit-details-marker{display:none}
.faq-r summary::after{content:"+";color:var(--green);font-size:19px;font-weight:400}
.faq-r details[open] summary::after{content:"–"}
.faq-r details p{margin-top:10px;font-size:13.8px;color:var(--dim);line-height:1.8}

/* 页脚 */
.foot{background:#0E3B2E;color:#CDE4D8;padding:60px 0 22px}
.foot-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot .brand{color:#fff}
.foot-b p{margin-top:14px;font-size:13px;color:#93B3A5;line-height:1.8;max-width:320px}
.foot-c b{display:block;font-size:12.5px;color:#7BA394;margin-bottom:13px;letter-spacing:.06em}
.foot-c a{display:block;font-size:13.5px;color:#BFD9CC;margin-bottom:9px}
.foot-c a:hover{color:var(--maize)}
.foot-bt{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:44px;padding-top:18px;border-top:1px solid #1D4C3C;
  font-size:12px;color:#7BA394;
}

/* 404 */
.nf{padding:110px 0;text-align:center}
.nf-in{max-width:600px;margin:0 auto}
.nf h1{font-size:clamp(32px,3.8vw,48px)}
.nf .lead{margin-top:18px;color:var(--dim);line-height:1.9}
.nf-acts{display:flex;justify-content:center;gap:14px;margin-top:32px;flex-wrap:wrap}

@media (max-width:1000px){
  .wrap{width:calc(100% - 56px)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);gap:26px 20px}
  .flow li::after{display:none}
  .pkgs{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .checks{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr 1fr;gap:28px}
  .dl-card{padding:40px 28px 34px}
}
@media (max-width:640px){
  .wrap{width:calc(100% - 40px)}
  .top-in{height:62px;gap:12px}
  .top nav{display:none}
  .top-cta{margin-left:auto;padding:9px 16px;font-size:13px}
  .hero{padding:44px 0 0}
  .stage{width:100%;max-width:320px;padding:24px 18px 20px;border-radius:36px 36px 0 0}
  .viewer{width:240px}
  .nav:not([hidden]){display:none}
  .sec{padding:64px 0}
  .cards{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr;gap:22px}
  .flow li:not(:last-child)::after{display:none}
  .lead br,.cards p br,.sub br,.steps p br{display:none}
  .foot-in{grid-template-columns:1fr}
}