/* 抖漫漫画 · 站1 票根编辑部
   暖白 #FFF8F0 / 墨 #141414 / 品牌橙 #FB5200 / 辅 #FFE3D1
   直角 0 圆角，实心硬阴影，编号 + 等宽小标签，900 负字距标题。 */

:root{
  --bg:#FFF8F0;
  --ink:#141414;
  --dim:#6B6259;
  --line:#E4D8CB;
  --brand:#FB5200;
  --brand-soft:#FFE3D1;
  --card:#FFFFFF;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:15px;line-height:1.7;
}
img{max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 14px;z-index:99}

/* ---------- 小标签 ---------- */
.kick{
  font-size:11px;letter-spacing:.22em;font-weight:700;
  color:var(--brand);text-transform:uppercase;
  font-family:ui-monospace,Consolas,monospace;
}
.kick-l{color:#FF8A4D}

/* ---------- 顶栏 ---------- */
.top{
  position:sticky;top:0;z-index:50;background:var(--bg);
  border-bottom:1px solid var(--line);
}
.top-in{display:flex;align-items:center;gap:30px;height:64px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{width:32px;height:32px;border-radius:8px}
.brand b{font-size:17px;font-weight:800;letter-spacing:-.01em}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{font-size:13.5px;color:var(--dim)}
.nav a:hover{color:var(--ink)}
.top-cta{
  background:var(--ink);color:#fff;font-size:13.5px;font-weight:700;
  padding:9px 18px;box-shadow:4px 4px 0 var(--brand);
}
.top-cta:hover{transform:translate(-1px,-1px);box-shadow:5px 5px 0 var(--brand)}

/* ---------- 首屏 ---------- */
.hero{padding:72px 0 84px;border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:70px;align-items:start}
h1{
  font-size:clamp(38px,4.6vw,58px);line-height:1.14;font-weight:900;
  letter-spacing:-.03em;margin:16px 0 20px;
}
.lead{max-width:520px;color:#3E372F;font-size:15.5px}
.acts{display:flex;gap:14px;margin-top:28px}
.btn{
  display:inline-block;font-size:15px;font-weight:700;padding:13px 30px;
  border:1px solid var(--ink);transition:transform .12s,box-shadow .12s;
}
.btn-p{background:var(--brand);color:#fff;box-shadow:5px 5px 0 var(--ink)}
.btn-p:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink)}
.btn-s{background:#fff;box-shadow:5px 5px 0 var(--ink)}
.btn-s:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink)}
.note{margin-top:16px;font-size:13px;color:var(--dim)}

/* 票根卡：内容单 */
.ticket{background:var(--card);border:1px solid var(--ink);box-shadow:8px 8px 0 var(--brand)}
.tk-head{
  background:var(--ink);color:#fff;font-size:12px;letter-spacing:.3em;
  padding:10px 18px;font-weight:700;
}
.tk-list li{
  display:grid;grid-template-columns:34px 1fr auto;gap:0 10px;align-items:baseline;
  padding:13px 18px;border-bottom:1px dashed var(--line);
}
.tk-list li:last-child{border-bottom:0}
.tk-list span{font-family:ui-monospace,Consolas,monospace;font-size:12px;color:var(--brand)}
.tk-list b{font-size:15px}
.tk-list em{font-style:normal;font-size:12px;color:var(--dim)}
.tk-foot{
  border-top:2px solid var(--ink);padding:12px 18px;font-size:12.5px;
  color:var(--dim);display:flex;justify-content:space-between;align-items:center;
}
.tk-foot::after{content:"№ 2027";font-family:ui-monospace,monospace;color:var(--brand)}

/* ---------- 区块通用 ---------- */
.sec{padding:110px 0}
.sec-h{margin-bottom:46px}
.sec-h h2{font-size:clamp(28px,3vw,40px);font-weight:900;letter-spacing:-.02em;margin-top:10px}
.sec-p{max-width:560px;margin-top:12px;font-size:14px;color:var(--dim)}

/* ---------- 功能：编号卡 ---------- */
.feat{border-bottom:1px solid var(--line);background:var(--bg)}
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.feat-grid li{
  background:var(--card);border:1px solid var(--ink);box-shadow:6px 6px 0 var(--ink);
  padding:26px 26px 24px;
}
.feat-grid .no{
  font-family:ui-monospace,Consolas,monospace;font-size:13px;font-weight:700;
  color:#fff;background:var(--brand);display:inline-block;padding:2px 10px;
}
.feat-grid h3{font-size:19px;font-weight:800;margin:14px 0 8px;letter-spacing:-.01em}
.feat-grid p{font-size:14px;color:var(--dim)}

/* ---------- 界面展示 ---------- */
.shots{border-bottom:1px solid var(--line);background:var(--brand-soft)}
.shots-in{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:70px;align-items:center;
  padding:110px 0;
}
.shots-t h2{font-size:clamp(26px,2.8vw,36px);font-weight:900;letter-spacing:-.02em;margin:10px 0 14px}
.shots-t .sub{color:#4A4038;font-size:14.5px;max-width:480px}

/* 滑动框 */
.stage{width:340px}
.viewer{position:relative}
.frame{
  background:var(--ink);padding:9px;border:1px solid var(--ink);
  box-shadow:8px 8px 0 rgba(20,20,20,.9);
}
.track{
  display:flex;overflow-x:auto;overscroll-behavior-x:contain;
  scroll-snap-type:x mandatory;scrollbar-width:none;
}
.track::-webkit-scrollbar{display:none}
.slide{flex:0 0 100%;margin:0;scroll-snap-align:center}
.slide img{display:block;width:100%;height:auto;pointer-events:none}
.stage .nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:2;
  width:34px;height:34px;padding:0;cursor:pointer;
  background:#fff;border:1px solid var(--ink);
  font-size:16px;line-height:1;color:var(--ink);
  display:none;align-items:center;justify-content:center;
}
.stage .nav:not([hidden]){display:flex}
.stage .nav.prev{left:-46px}
.stage .nav.next{right:-46px}
.stage .nav[disabled]{opacity:.25;cursor:default}
/* 三个入口全被隐藏时，整块下载区一起收起 */
.dl:not(:has(.store:not([hidden]))){display:none}
.no-dl .top-cta{display:none}
.bar{margin-top:14px}
.dots{display:flex;justify-content:center;gap:8px}
.dots button{
  width:8px;height:8px;padding:0;border:1px solid var(--ink);
  background:#fff;cursor:pointer;transition:background .15s,width .15s;
}
.dots button[aria-current="true"]{width:24px;background:var(--ink)}
.now{margin-top:9px;text-align:center;font-size:12.5px;color:#4A4038;font-family:ui-monospace,monospace}
.now b{color:var(--ink)}

/* ---------- 下载区 ---------- */
.dl{padding:110px 0;border-bottom:1px solid var(--line)}
.dl-card{background:var(--ink);color:#EFE9E1;padding:54px 52px 46px}
.dl-head h2{font-size:clamp(26px,2.8vw,36px);font-weight:900;letter-spacing:-.02em;margin:10px 0 12px}
.dl-p{font-size:14.5px;color:#B7AEA2}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
.store{
  display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:0 14px;align-items:center;
  background:#fff;color:var(--ink);padding:16px 18px;border:1px solid var(--ink);
  transition:transform .12s,box-shadow .12s;
}
.store:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--brand)}
.st-ico{
  width:44px;height:44px;background:var(--brand-soft);color:var(--brand);
  font-weight:900;font-size:19px;display:flex;align-items:center;justify-content:center;
}
.st-t b{display:block;font-size:15px;font-weight:800}
.st-t i{display:block;font-style:normal;font-size:12px;color:var(--dim);margin-top:2px}
.st-go{
  font-size:12.5px;font-weight:700;color:#fff;background:var(--ink);padding:7px 14px;
}
.dl-list{
  margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  display:grid;grid-template-columns:repeat(2,1fr);gap:8px 30px;
}
.dl-list li{font-size:13px;color:#B7AEA2;padding-left:18px;position:relative}
.dl-list li::before{content:"—";position:absolute;left:0;color:var(--brand)}

/* ---------- 安装步骤 ---------- */
.steps{padding:110px 0;border-bottom:1px solid var(--line)}
.step-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.step-row li{padding:6px 34px 6px 0;border-left:2px solid var(--ink);margin-left:-2px;padding-left:26px}
.step-row li:first-child{border-left:0;padding-left:0;margin-left:0}
.st-no{font-family:ui-monospace,Consolas,monospace;font-size:12px;color:var(--brand);letter-spacing:.18em;font-weight:700}
.step-row h3{font-size:19px;font-weight:800;margin:12px 0 8px}
.step-row p{font-size:14px;color:var(--dim)}

/* ---------- 问答 ---------- */
.faq{padding:110px 0;border-bottom:1px solid var(--line);background:#FBF1E5}
.qa{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 26px}
.qa details{background:var(--card);border:1px solid var(--line);padding:18px 22px}
.qa summary{cursor:pointer;font-weight:700;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.qa summary::after{content:"+";color:var(--brand);font-size:18px;font-weight:400}
.qa details[open] summary::after{content:"−"}
.qa details p{margin-top:10px;font-size:13.8px;color:var(--dim)}

/* ---------- 页脚 ---------- */
.foot{background:var(--ink);color:#CFC6BA;padding:64px 0 26px}
.foot-in{display:grid;grid-template-columns:repeat(3,1fr) 1.6fr;gap:30px}
.f-h{font-size:12px;letter-spacing:.2em;color:#8A8177;margin-bottom:14px;font-family:ui-monospace,monospace}
.foot a{display:block;font-size:13.5px;padding:4px 0;color:#CFC6BA}
.foot a:hover{color:#fff}
.f-about p{font-size:13px;line-height:1.75}
.f-line{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;font-size:12px;color:#8A8177}

/* ---------- 窄屏 ---------- */
@media (max-width:960px){
  .hero-in{grid-template-columns:1fr;gap:44px}
  .ticket{max-width:420px}
  .shots-in{grid-template-columns:1fr;gap:44px;justify-items:center;text-align:center}
  .shots-t .sub{max-width:none}
}
@media (max-width:640px){
  /* 窄屏列窄，硬换行会把词拆开，改回自然断行 */
  .lead br,.feat-grid p br,.dl-p br{display:none}
  .nav:not([hidden]){display:none}
  .sec{padding:70px 0}
  .shots-in{padding:70px 0}
  .dl{padding:70px 0}
  .steps{padding:70px 0}
  .faq{padding:70px 0}
  .hero{padding:48px 0 56px}
  .feat-grid{grid-template-columns:1fr;gap:18px}
  .dl-card{padding:34px 24px 30px}
  .dl-grid{grid-template-columns:1fr}
  .dl-list{grid-template-columns:1fr}
  .step-row{grid-template-columns:1fr;gap:26px}
  .step-row li{border-left:0;padding-left:0;margin-left:0;border-top:1px solid var(--line);padding-top:22px}
  .step-row li:first-child{border-top:0;padding-top:0}
  .qa{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr 1fr;gap:26px}
  .stage{width:240px}
  .viewer{width:240px}
}