/* 囧次元漫画 / 追番手册 · 暖杏 + 橙，宋体标题，26px 大圆角，居中舞台 */
:root{
  --bg:#FFF1E6; --bg2:#F8E5D3; --card:#FFFFFF; --ink:#3B2A20;
  --dim:#8A6A54; --line:#E9D7C6; --accent:#F47B2B; --deep:#2C2118;
  --w:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.8 "Microsoft YaHei","PingFang SC",sans-serif}
img{max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:min(var(--w),calc(100% - 64px));margin:0 auto}
h1,h2,h3,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,.foot-brand b{font-family:"SimSun","Songti SC",serif}

/* 顶栏 */
.top{position:sticky;top:0;z-index:10;background:rgba(255,241,230,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.top-in{height:78px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:800}
.brand img{border-radius:11px;flex:none}
.nav{display:flex;gap:30px;margin-left:auto;font-size:14px;color:var(--dim)}
.nav a:hover{color:var(--accent)}
.btn{height:48px;padding:0 26px;border-radius:999px;font-size:14px;font-weight:700;align-items:center;justify-content:center;border:1px solid transparent;cursor:pointer;white-space:nowrap}
.btn:not([hidden]){display:inline-flex}
.btn-p{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(244,123,43,.9)}
.btn-p:hover{background:#E86A1B}
.btn-g{border-color:#D9BCA2;color:var(--ink);background:transparent}
.btn-g:hover{border-color:var(--accent);color:var(--accent)}
.top-cta{height:42px;padding:0 22px;font-size:13px}

/* 首屏：居中舞台 + 三枚软卡 */
.hero{padding:96px 0 100px;text-align:center}
.kick{font:11px/1.4 Consolas,"Microsoft YaHei",monospace;letter-spacing:.22em;color:#B4602A;text-transform:uppercase}
.hero h1{font-size:clamp(40px,4.6vw,58px);line-height:1.22;font-weight:700;letter-spacing:.01em;margin:22px 0 20px}
.lead{font-size:16px;line-height:1.95;color:var(--dim);max-width:660px;margin:0 auto}
.acts{display:flex;gap:12px;margin:30px 0 20px;justify-content:center;flex-wrap:wrap}
.hero-note{font-size:13px;color:var(--dim);letter-spacing:.05em}
.stage-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:66px;text-align:left}
.stage-card{background:var(--card);border-radius:26px;padding:30px 28px 32px;box-shadow:0 20px 40px -32px rgba(90,50,20,.65)}
.sc-n{font:12px Consolas,monospace;color:var(--accent);display:block;margin-bottom:18px;letter-spacing:.1em}
.stage-card b{display:block;font-size:21px;margin-bottom:10px}
.stage-card p{font-size:14px;line-height:1.85;color:var(--dim)}

/* 通用区块 */
.sec{padding:112px 0;background:var(--card)}
.sec-alt{background:var(--bg)}
.sec-kick{font:11px/1.4 Consolas,"Microsoft YaHei",monospace;letter-spacing:.2em;color:#B4602A;text-transform:uppercase;margin-bottom:16px}
.sec h2,.dl h2{font-size:36px;line-height:1.35;font-weight:700;margin-bottom:14px}
.sec-p{font-size:15px;color:var(--dim);max-width:680px;margin-bottom:42px}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:26px;padding:28px 26px 30px;box-shadow:0 18px 36px -32px rgba(90,50,20,.6)}
.ico{width:44px;height:44px;border-radius:14px;background:#FDE2CB;color:#C25A16;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;margin-bottom:22px}
.card b{display:block;font-size:18px;margin-bottom:10px}
.card p{font-size:14px;line-height:1.9;color:var(--dim)}

/* 界面展示：左框右文 + 编号带 */
.shots-in{display:grid;grid-template-columns:430px minmax(0,1fr);gap:70px;align-items:center}
.viewer-wrap{background:var(--bg2);border-radius:30px;padding:28px 40px 26px}
.rail{display:flex;gap:0;margin-bottom:20px;border-bottom:1px solid #DEBFA4}
.rail span{flex:1;text-align:center;font:12px Consolas,monospace;color:#A97A55;padding-bottom:9px}
.rail span:first-child{color:var(--accent);border-bottom:2px solid var(--accent)}
.viewer{width:300px;margin:0 auto;position:relative}
.phone{background:#2C2118;border-radius:32px;padding:9px;box-shadow:0 26px 50px -30px rgba(70,40,20,.75)}
.track{display:flex;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scrollbar-width:none;border-radius:24px}
.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:24px;pointer-events:none}
.arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:32px;height:32px;border-radius:50%;background:#fff;border:0;color:var(--ink);font-size:17px;line-height:1;cursor:pointer;padding:0;box-shadow:0 8px 18px -10px rgba(70,40,20,.7)}
.arrow:not([hidden]){display:flex;align-items:center;justify-content:center}
.arrow.prev{left:-52px}
.arrow.next{right:-52px}
.arrow:disabled{opacity:.3;cursor:default}
.bar{margin-top:18px;display:flex;flex-direction:column;align-items:center;gap:10px}
.dots{display:flex;gap:7px}
.dots button{width:8px;height:8px;padding:0;border:0;border-radius:50%;background:#DCC0A6;cursor:pointer}
.dots button[aria-current="true"]{background:var(--accent);width:22px;border-radius:5px}
.now{font-size:13px;color:var(--dim)}
.shots-copy .sec-p{margin-bottom:24px}
.shots-fact{font-size:15px;line-height:1.9;color:var(--ink);background:var(--card);border-radius:18px;padding:20px 22px;margin-bottom:28px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-list li{font-size:13px;color:var(--dim);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:7px 16px}

/* 下载区：橙色整幅 */
.dl{background:var(--accent);color:#fff;padding:110px 0}
.dl .sec-kick{color:#8A3A09}
.dl-sub{font-size:15px;color:#FFE7D4;margin-bottom:38px}
.dl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.dl-item{background:#fff;color:var(--ink);border-radius:22px;padding:20px 22px;gap:16px;align-items:center;box-shadow:0 16px 30px -24px rgba(90,35,5,.8)}
.dl-item:not([hidden]){display:flex}
.dl-item:hover{background:#FFF6EE}
.dl-ico{width:48px;height:48px;border-radius:15px;background:#FDE2CB;color:#C25A16;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;flex:none}
.dl-txt{display:flex;flex-direction:column;min-width:0}
.dl-txt b{font-size:16px}
.dl-txt small{font-size:12.5px;color:var(--dim);line-height:1.6}
.dl-ar{margin-left:auto;font-size:18px;color:var(--accent)}
.dl-check{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 30px;margin-top:34px;font-size:13.5px;color:#FFF1E4}
.dl-check li{padding-left:20px;position:relative}
.dl-check li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:#fff}
.dl:not(:has(.dl-item:not([hidden]))){display:none}
.no-dl .dl{display:none}
.no-dl .top-cta{display:none}

/* 安装步骤：三张竖排卡 */
.step-list{display:grid;grid-template-columns:1fr;gap:14px}
.step-list li{display:grid;grid-template-columns:70px 180px minmax(0,1fr);gap:24px;align-items:center;background:var(--bg);border-radius:22px;padding:24px 28px}
.step-n{font:22px Consolas,monospace;color:var(--accent)}
.step-list b{font-size:19px}
.step-list p{font-size:14px;line-height:1.9;color:var(--dim)}

/* 问答：两栏 */
.faq-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;align-items:start}
.faq-list details{border-bottom:1px solid var(--line);padding:20px 0}
.faq-list summary{font-size:16px;font-weight:700;cursor:pointer;list-style:none;position:relative;padding-right:32px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:4px;top:0;color:var(--accent);font-size:20px;font-weight:400}
.faq-list details[open] summary::after{content:"−"}
.faq-list p{font-size:14px;line-height:1.9;color:var(--dim);padding-top:12px}

/* 页脚：深棕反相 */
.foot{background:var(--deep);color:#F6E9DC;padding:76px 0 26px}
.foot-in{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px}
.foot-brand{display:flex;align-items:center;gap:12px;font-size:18px;margin-bottom:16px}
.foot-brand img{border-radius:12px}
.foot-col p{font-size:13px;line-height:1.9;color:#C8AE9B;max-width:290px}
.foot-col>b{display:block;font-size:14px;margin-bottom:16px;font-family:"Microsoft YaHei",sans-serif}
.foot-col a{display:block;font-size:13px;color:#C8AE9B;padding:5px 0}
.foot-col a:hover{color:var(--accent)}
.foot-bot{display:flex;justify-content:space-between;gap:20px;margin-top:54px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);font-size:12px;color:#A98D79}

/* 404 */
.nf-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);text-align:center}
.nf-in{padding:60px 24px}
.nf-logo{border-radius:22px;margin-bottom:26px}
.nf-code{font:13px Consolas,monospace;letter-spacing:.3em;color:var(--accent)}
.nf-in h1{font-size:38px;margin:14px 0 12px}
.nf-p{font-size:15px;color:var(--dim);margin-bottom:28px}
.nf-small{font-size:12px;color:var(--dim);margin-top:34px}

@media (max-width:1000px){
  .shots-in{grid-template-columns:1fr;gap:44px}
  .viewer-wrap{justify-self:center;width:min(100%,470px)}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-in{grid-template-columns:repeat(2,1fr)}
  .step-list li{grid-template-columns:56px 150px minmax(0,1fr);gap:16px}
}
@media (max-width:760px){
  .wrap{width:min(100% - 36px,var(--w))}
  .top-in{height:66px;gap:16px}
  .nav{display:none}
  .brand{font-size:15px}
  .top-cta{margin-left:auto}
  .hero{padding:64px 0 74px}
  .hero h1{font-size:42px;margin:16px 0}
  .lead{font-size:15px}
  .lead br{display:none}
  .hero-note{font-size:12px}
  .stage-cards{grid-template-columns:1fr;gap:12px;margin-top:44px}
  .stage-card{padding:22px 22px 24px}
  .sec,.dl{padding:74px 0}
  .sec h2,.dl h2{font-size:29px}
  .grid,.faq-list{grid-template-columns:1fr}
  .shots-copy{order:-1}
  .viewer-wrap{width:100%;padding:24px 18px 20px}
  .viewer{width:240px}
  .arrow:not([hidden]){display:none}
  .dl-check{grid-template-columns:1fr}
  .step-list li{grid-template-columns:44px minmax(0,1fr);gap:8px 14px;padding:20px}
  .step-list p{grid-column:1/-1}
  .foot-in{grid-template-columns:1fr;gap:30px}
  .foot-bot{flex-direction:column;gap:6px;margin-top:36px}
}