/* 抖漫漫画 · 站2 夜幕放映
   墨蓝黑 #0F131A / 面板 #161C27 / 橙红 #FF6A2A / 米白反相 #F5EFE4
   圆角 14px，黑体 800 + 等宽小标签，明暗交替节奏。 */

:root{
  --bg:#0F131A;
  --panel:#161C27;
  --ink:#EDE8DF;
  --dim:#8E96A3;
  --line:rgba(237,232,223,.13);
  --brand:#FF6A2A;
  --paper:#F5EFE4;
  --paper-ink:#191510;
}
*{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:var(--panel);padding:8px 14px;z-index:99}

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

/* ---------- 顶栏 ---------- */
.top{
  position:sticky;top:0;z-index:50;background:rgba(15,19,26,.92);
  backdrop-filter:blur(6px);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:9px}
.brand b{font-size:17px;font-weight:800}
.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(--brand);color:#16100B;font-size:13.5px;font-weight:800;
  padding:9px 18px;border-radius:9px;
}
.top-cta:hover{filter:brightness(1.08)}

/* ---------- 首屏：报头式 ---------- */
.hero{padding:48px 0 58px;border-bottom:1px solid var(--line)}
.mast{
  display:flex;justify-content:space-between;align-items:baseline;
  font-family:ui-monospace,Consolas,monospace;font-size:11.5px;letter-spacing:.2em;
  color:var(--dim);padding-bottom:18px;border-bottom:1px solid var(--line);
  margin-bottom:44px;
}
h1{
  font-size:clamp(36px,4.2vw,56px);line-height:1.16;font-weight:800;
  letter-spacing:-.015em;margin-bottom:20px;
}
.lead{max-width:560px;color:#B9C6D8;font-size:15.5px}
.h1-narrow{display:none}
.acts{display:flex;gap:14px;margin-top:28px}
.btn{
  display:inline-block;font-size:15px;font-weight:700;padding:13px 30px;
  border-radius:12px;transition:transform .12s,filter .12s;
}
.btn-p{background:var(--brand);color:#16100B}
.btn-p:hover{transform:translateY(-2px)}
.btn-s{border:1px solid var(--line);color:var(--ink);background:var(--panel)}
.btn-s:hover{border-color:var(--brand);transform:translateY(-2px)}
.note{margin-top:16px;font-size:13px;color:var(--dim)}

/* 信息带：四格 */
.band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
  margin-top:42px;
}
.band>div{background:var(--bg);padding:17px 22px 15px}
.band b{display:block;font-size:17px;font-weight:800}
.band i{display:block;font-style:normal;font-size:12.5px;color:var(--dim);margin-top:4px}

/* ---------- 区块通用 ---------- */
.sec{padding:92px 0}
.sec-h{margin-bottom:38px}
.sec-h h2{font-size:clamp(27px,2.9vw,38px);font-weight:800;letter-spacing:-.015em;margin-top:10px}
.sec-h-c{text-align:center}
.sec-p{max-width:560px;margin-top:12px;font-size:14px;color:var(--dim)}
.sec-h-c .sec-p{margin-left:auto;margin-right:auto}

/* ---------- 六行细线列表 ---------- */
.rows{border-top:1px solid var(--line)}
.rows li{
  display:grid;grid-template-columns:52px 170px minmax(0,1fr);gap:0 24px;
  align-items:baseline;padding:18px 0;border-bottom:1px solid var(--line);
}
.rows span{font-family:ui-monospace,Consolas,monospace;font-size:12.5px;color:var(--brand)}
.rows b{font-size:16px;font-weight:800}
.rows p{font-size:14px;color:var(--dim)}

/* ---------- 界面展示：居中 ---------- */
.shots{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--panel)}
.shots-in{padding:84px 0;display:flex;flex-direction:column;align-items:center}
.shots-in .sub{max-width:520px;font-size:14.5px;color:#A9B0BC}
.stage{width:300px;margin-top:32px}
.viewer{position:relative}
.frame{
  background:#05070B;border-radius:26px;padding:8px;
  border:1px solid rgba(237,232,223,.14);
}
.track{
  display:flex;overflow-x:auto;overscroll-behavior-x:contain;
  scroll-snap-type:x mandatory;scrollbar-width:none;border-radius:19px;
}
.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:19px;pointer-events:none}
.snav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:2;
  width:34px;height:34px;border-radius:50%;padding:0;cursor:pointer;
  background:rgba(237,232,223,.1);border:1px solid rgba(237,232,223,.28);
  color:var(--ink);font-size:16px;line-height:1;
  display:none;align-items:center;justify-content:center;
}
.snav:not([hidden]){display:flex}
.snav.prev{left:-46px}
.snav.next{right:-46px}
.snav[disabled]{opacity:.25;cursor:default}
.ruler{
  display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:16px;
}
.ruler i{height:3px;background:rgba(237,232,223,.16);border-radius:2px}
.bar{margin-top:12px}
.dots{display:flex;justify-content:center;gap:8px}
.dots button{
  width:7px;height:7px;padding:0;border:0;border-radius:50%;
  background:rgba(237,232,223,.24);cursor:pointer;transition:background .15s,width .15s;
}
.dots button[aria-current="true"]{width:22px;border-radius:4px;background:var(--brand)}
.now{margin-top:9px;text-align:center;font-size:12.5px;color:var(--dim);font-family:ui-monospace,monospace}
.now b{color:var(--ink)}

/* ---------- 题材：六张左线卡 ---------- */
.type{padding:92px 0;border-bottom:1px solid var(--line)}
.type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.type-grid li{
  background:var(--panel);border-left:3px solid var(--brand);
  border-radius:0 14px 14px 0;padding:19px 22px 17px;
}
.type-grid h3{font-size:18px;font-weight:800}
.type-grid p{margin-top:8px;font-size:13.5px;color:var(--dim)}

/* ---------- 下载区：浅色反相 ---------- */
.dl{background:var(--paper);color:var(--paper-ink);padding:92px 0}
.dl .kick{color:#C24A10}
.dl .sec-h{margin-bottom:36px}
.dl-p{margin-top:12px;font-size:14.5px;color:#6B5F4E}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.store{
  display:grid;grid-template-columns:46px minmax(0,1fr) auto;gap:0 14px;align-items:center;
  background:#fff;border:1px solid #D8CCB8;border-radius:14px;padding:16px 18px;
  transition:transform .12s,border-color .12s;
}
.store:hover{transform:translateY(-2px);border-color:var(--brand)}
.st-ico{
  width:46px;height:46px;border-radius:12px;background:var(--brand);color:#fff;
  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:#8A7D68;margin-top:2px}
.st-go{
  font-size:12.5px;font-weight:800;color:#fff;background:var(--paper-ink);
  padding:8px 16px;border-radius:9px;
}
.dl-list{
  margin-top:26px;padding-top:22px;border-top:1px solid #D8CCB8;
  display:grid;grid-template-columns:repeat(2,1fr);gap:8px 30px;
}
.dl-list li{font-size:13px;color:#6B5F4E;padding-left:18px;position:relative}
.dl-list li::before{content:"—";position:absolute;left:0;color:var(--brand)}

/* ---------- 安装步骤：竖排 ---------- */
.steps{padding:92px 0;border-bottom:1px solid var(--line)}
.step-col{max-width:760px}
.step-col li{
  display:grid;grid-template-columns:110px minmax(0,1fr);gap:0 30px;
  padding:19px 0;border-top:1px solid var(--line);
}
.step-col li:last-child{border-bottom:1px solid var(--line)}
.step-col span{font-family:ui-monospace,Consolas,monospace;font-size:12px;color:var(--brand);letter-spacing:.16em;padding-top:4px}
.step-col h3{font-size:17px;font-weight:800}
.step-col p{margin-top:6px;font-size:14px;color:var(--dim)}

/* ---------- 问答：单栏 ---------- */
.faq{padding:92px 0;border-bottom:1px solid var(--line);background:var(--panel)}
.qa{max-width:760px}
.qa details{
  background:var(--bg);border:1px solid var(--line);border-radius:12px;
  padding:15px 20px;margin-bottom:9px;
}
.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:#0A0D12;color:#8E96A3;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:#5C6470;margin-bottom:14px;font-family:ui-monospace,monospace}
.foot a{display:block;font-size:13.5px;padding:4px 0}
.foot a:hover{color:var(--ink)}
.f-about p{font-size:13px;line-height:1.75}
.f-line{border-top:1px solid rgba(237,232,223,.1);margin-top:40px;padding-top:20px;font-size:12px;color:#5C6470}

/* 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}

/* ---------- 窄屏 ---------- */
@media (max-width:900px){
  .type-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  /* 窄屏列窄，硬换行会把词拆开，改回自然断行 */
  .lead br,.dl-p br{display:none}
  .h1-wide{display:none}
  .h1-narrow{display:inline}
  .hero h1{font-size:clamp(30px,8.6vw,40px)}
  .nav:not([hidden]){display:none}
  .sec{padding:70px 0}
  .shots-in{padding:70px 0}
  .dl{padding:70px 0}
  .steps{padding:70px 0}
  .type{padding:70px 0}
  .faq{padding:70px 0}
  .hero{padding:40px 0 54px}
  .band{grid-template-columns:1fr 1fr}
  .rows li{grid-template-columns:40px 1fr;gap:4px 16px}
  .rows p{grid-column:2}
  .type-grid{grid-template-columns:1fr}
  .dl-grid{grid-template-columns:1fr}
  .dl-list{grid-template-columns:1fr}
  .step-col li{grid-template-columns:1fr;gap:6px}
  .stage{width:240px}
  .viewer{width:240px}
  .foot-in{grid-template-columns:1fr 1fr;gap:26px}
}