/* 包子漫画 · bzcomic2027.com.cn
   工具台：深墨蓝报头 + 冷白正文 + 电光蓝，小圆角、细线、等宽数字。
   和另外两站不共用任何取值。 */

:root{
  --bg:#F4F6FA;
  --white:#FFFFFF;
  --ink:#0F1726;
  --dim:#5B6B84;
  --blue:#2B5CF0;
  --blue-d:#1B45C9;
  --navy:#0A1322;
  --navy-2:#111D31;
  --line:#E1E7F0;
  --mono:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.7 -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,dl{margin:0;padding:0;list-style:none}
p{margin:0}
.wrap{width:min(1160px,calc(100% - 88px));margin:0 auto}

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

h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.18}
.kick{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  color:var(--blue);margin-bottom:16px;text-transform:uppercase;
}

/* 顶栏 */
.top{
  position:sticky;top:0;z-index:30;background:var(--navy);
  border-bottom:1px solid #1B2739;transition:box-shadow .2s;
}
.top.on{box-shadow:0 12px 28px -20px rgba(0,0,0,.85)}
.top-in{display:flex;align-items:center;gap:30px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16.5px;color:#EAF0FA}
.brand img{width:32px;height:32px;border-radius:8px;display:block}
.top nav{display:flex;gap:26px;margin-left:auto;font-size:14px;color:#93A3BC}
.top nav a:hover{color:#fff}
.top-cta{
  background:var(--blue);color:#fff;font-size:13.5px;font-weight:600;
  padding:10px 18px;border-radius:8px;
}
.top-cta:not([hidden]){display:inline-flex;align-items:center;justify-content:center}
.top-cta:hover{background:var(--blue-d)}
.no-dl .top-cta{display:none}

/* 报头 */
.hero{
  background:var(--navy);color:#EAF0FA;padding:68px 0 0;
  background-image:linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:88px 100%;
}
.hero h1{font-size:clamp(40px,4.3vw,60px)}
.hero .lead{
  margin-top:24px;max-width:640px;font-size:15.5px;line-height:1.85;color:#9FB0C9;
}
.acts{display:flex;align-items:center;gap:16px;margin-top:34px;flex-wrap:wrap}
.btn{border-radius:8px;padding:14px 26px;font-size:15px;font-weight:600;transition:background .18s,transform .16s}
.btn:not([hidden]){display:inline-flex;align-items:center;justify-content:center}
.btn-p{background:var(--blue);color:#fff;box-shadow:0 20px 34px -24px rgba(43,92,240,.95)}
.btn-p:hover{background:var(--blue-d);transform:translateY(-1px)}
.btn-s{background:transparent;color:#EAF0FA;border:1px solid #2C3A52}
.btn-s:hover{border-color:#47597A;transform:translateY(-1px)}
.acts-note{font-size:12.5px;color:#7C8DA8;font-family:var(--mono)}

/* 规格条 */
.specs{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:52px;
  background:#1C2A40;border-top:1px solid #1C2A40;
}
.specs>div{background:var(--navy);padding:22px 24px 26px}
.specs dt{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:#6E80A0}
.specs dd{margin:12px 0 0;font-size:28px;font-weight:800;letter-spacing:-.02em;color:#fff}
.specs span{display:block;margin-top:8px;font-size:12.5px;color:#8798B4;line-height:1.6}

/* 界面展示 */
.shots{background:var(--white);padding:76px 0;border-bottom:1px solid var(--line)}
.shots-in{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:64px;align-items:center}
.shots-h{max-width:520px}
.shots h2{font-size:clamp(26px,2.7vw,34px)}
.shots .sub{margin-top:14px;font-size:14.5px;color:var(--dim);line-height:1.8}
.stage{margin-top:0}
.viewer{width:280px;margin:0 auto;position:relative}
.frame{background:var(--navy);border-radius:26px;padding:7px;box-shadow:0 30px 56px -34px rgba(10,19,34,.85)}
.track{
  display:flex;overflow-x:auto;overscroll-behavior-x:contain;
  scroll-snap-type:x mandatory;scrollbar-width:none;border-radius:20px;
}
.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:20px;pointer-events:none}
.nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:2;
  width:30px;height:30px;border-radius:8px;padding:0;
  background:#fff;border:1px solid var(--line);color:var(--ink);
  font-size:15px;line-height:1;cursor:pointer;box-shadow:0 8px 18px -10px rgba(10,19,34,.7);
}
.nav:not([hidden]){display:flex;align-items:center;justify-content:center}
.nav.prev{left:-46px}
.nav.next{right:-46px}
.nav[disabled]{opacity:.3;cursor:default}
.bar{margin-top:18px;display:flex;flex-direction:column;align-items:center;gap:10px}
.dots{display:flex;gap:8px}
.dots button{
  width:20px;height:3px;padding:0;border:0;border-radius:2px;
  background:#CDD6E4;cursor:pointer;transition:background .2s,width .2s;
}
.dots button[aria-current="true"]{background:var(--blue);width:34px}
.now{margin:0;font-family:var(--mono);font-size:12px;color:var(--dim)}
.now b{color:var(--ink);font-weight:600}

/* 功能行 */
.feat{padding:76px 0}
.sec-h{max-width:660px;margin-bottom:38px}
.sec-h h2{font-size:clamp(26px,2.7vw,34px)}
.sec-h .sub{margin-top:14px;font-size:14.5px;color:var(--dim)}
.rows{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px}
.rows li{
  display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:0 16px;align-items:start;
  padding:22px 0;border-top:1px solid var(--line);
}
.rows .num{font-family:var(--mono);font-size:13px;color:var(--blue);padding-top:3px}
.rows b{font-size:16.5px}
.rows p{margin-top:8px;font-size:13.8px;color:var(--dim);line-height:1.75}
.rows .tag{
  font-family:var(--mono);font-size:11px;color:#41556F;background:#E9EEF7;
  padding:4px 9px;border-radius:5px;white-space:nowrap;margin-top:2px;
}

/* 分区表 */
.grid{background:var(--white);padding:76px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tbl{width:100%;border-collapse:collapse;margin-top:8px}
.tbl th{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:#7A8AA4;
  text-align:left;font-weight:400;padding:0 0 14px;border-bottom:1px solid var(--ink);
}
.tbl td{padding:16px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--dim)}
.tbl td:first-child{font-family:var(--mono);font-size:12.5px;color:#93A2B8;width:80px}
.tbl td:nth-child(2){width:150px;color:var(--ink);font-size:16px}
.tbl td:nth-child(4){font-size:13.5px;color:#7A8AA4}
.tbl td b{font-weight:700}
.tbl tbody tr:hover td{background:#F8FAFD}
.tbl-note{margin-top:22px;font-size:13.5px;color:var(--dim)}

/* 下载 */
.dl{padding:74px 0}
.dl-card{
  background:var(--navy);border-radius:14px;padding:40px 40px 36px;color:#EAF0FA;
  box-shadow:0 34px 60px -44px rgba(10,19,34,.95);
}
.dl-h{display:flex;justify-content:space-between;gap:40px;align-items:flex-end;flex-wrap:wrap}
.dl-h h2{font-size:clamp(26px,2.7vw,34px);color:#fff}
.dl-card .kick{color:#5B7BC0}
.dl-p{max-width:420px;font-size:14px;color:#93A5C0;line-height:1.8}
.ents{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:36px}
.ent{
  background:var(--navy-2);border:1px solid #22314A;border-radius:10px;
  padding:18px 20px;grid-template-columns:minmax(0,1fr) auto;gap:0 14px;align-items:center;
  transition:border-color .18s,transform .16s;
}
.ent:not([hidden]){display:grid}
.ent:hover{border-color:#3C5A8E;transform:translateY(-2px)}
.ent-t b{display:block;font-size:15px;color:#fff}
.ent-t i{display:block;font-style:normal;font-size:12px;color:#8798B4;margin-top:4px;line-height:1.5}
.ent-a{
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:#7EA0FF;
  border:1px solid #2B4C86;border-radius:5px;padding:6px 10px;
}
.checks{
  display:grid;grid-template-columns:repeat(2,1fr);gap:9px 40px;
  margin-top:28px;padding-top:24px;border-top:1px solid #1E2C42;
}
.checks li{font-size:12.8px;color:#9CAEC8;padding-left:18px;position:relative;line-height:1.6}
.checks li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border:1px solid var(--blue);border-radius:2px}
.dl:not(:has(.ent:not([hidden]))){display:none}

/* 步骤 */
.steps{padding:74px 0 76px}
.step-list li{
  display:grid;grid-template-columns:64px 180px minmax(0,1fr);gap:0 24px;align-items:baseline;
  padding:22px 0;border-top:1px solid var(--line);
}
.step-list li:last-child{border-bottom:1px solid var(--line)}
.step-list span{font-family:var(--mono);font-size:13px;color:var(--blue);padding-top:4px}
.step-list b{font-size:16.5px}
.step-list p{font-size:13.8px;color:var(--dim);line-height:1.75}

/* 问答 */
.faq{background:var(--white);padding:76px 0;border-top:1px solid var(--line)}
.qa{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.qa details{
  background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:18px 20px;
}
.qa summary{
  cursor:pointer;list-style:none;font-size:15px;font-weight:700;
  display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font-family:var(--mono);color:var(--blue);font-weight:400}
.qa details[open] summary::after{content:"–"}
.qa details p{margin-top:10px;font-size:13.5px;color:var(--dim);line-height:1.8}

/* 页脚 */
.foot{background:var(--navy);color:#BDCBE0;padding:60px 0 22px}
.foot-in{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
.foot .brand{color:#fff}
.foot-b p{margin-top:14px;font-size:13px;color:#8496B2;line-height:1.8;max-width:320px}
.foot-c b{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:#5E7191;margin-bottom:14px}
.foot-c a{display:block;font-size:13.5px;color:#A9BBD4;margin-bottom:9px}
.foot-c a:hover{color:#fff}
.foot-bt{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:46px;padding-top:18px;border-top:1px solid #1B2739;
  font-size:12px;color:#5E7191;
}

/* 404 */
.nf{padding:110px 0}
.nf-in{max-width:600px}
.nf h1{font-size:clamp(34px,3.8vw,50px)}
.nf .lead{margin-top:18px;color:var(--dim);line-height:1.9}
.nf-acts{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}

@media (max-width:1000px){
  .wrap{width:calc(100% - 56px)}
  .specs{grid-template-columns:repeat(2,1fr)}
  .rows{grid-template-columns:1fr;gap:0}
  .qa{grid-template-columns:1fr}
  .ents{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:900px){
  /* 两栏会挤成一字一行，窄屏改成上下堆叠 */
  .shots-in{grid-template-columns:1fr;gap:34px;justify-items:center;text-align:center}
  .shots-h{max-width:none}
  .viewer{width:240px}
}
@media (max-width:640px){
  .wrap{width:calc(100% - 40px)}
  .top-in{height:62px;gap:14px}
  .top nav{display:none}
  .top-cta{margin-left:auto;padding:9px 15px;font-size:13px}
  .hero{padding:48px 0 0}
  .hero .lead{font-size:14.5px}
  .acts{gap:12px}
  .acts-note{width:100%}
  .specs>div{padding:20px 18px 24px}
  .specs dd{font-size:23px}
  .viewer{width:240px}
  .nav:not([hidden]){display:none}
  .shots,.feat,.grid,.dl,.steps,.faq{padding:64px 0}
  .rows li{grid-template-columns:36px minmax(0,1fr);gap:0 12px}
  .rows .tag{grid-column:2;justify-self:start;margin-top:8px}
  .tbl td:nth-child(2){width:96px}
  .tbl td{font-size:13.5px}
  .foot-in{grid-template-columns:1fr}
  .lead br,.rows p br,.sub br{display:none}
}