:root{
  --brand:#f0911f;--brand-d:#c46f08;--brand-l:#fff3df;--brand-2:#ffc85c;
  --pink:#f2798f;--ink:#2b2116;--ink2:#5d5142;--ink3:#948873;
  --bg:#fffdf8;--bg2:#fff7e8;--line:#f1e3cb;--dark:#241a10;--wrap:1140px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.sh{position:sticky;top:0;z-index:60;background:rgba(255,252,245,.92);backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;transition:border-color .2s}
.sh.on{border-bottom-color:var(--line)}
.sh-in{display:flex;align-items:center;gap:26px;height:68px}
.sh-brand{display:flex;align-items:center;gap:10px;flex:none}
.sh-brand img{width:40px;height:40px;border-radius:12px;object-fit:cover;box-shadow:0 2px 6px rgba(196,111,8,.18)}
.sh-brand strong{display:block;font-size:16.5px;line-height:1.2;letter-spacing:.2px}
.sh-brand small{display:block;font-size:11px;color:var(--ink3);letter-spacing:.6px}
.sh nav{display:flex;gap:26px;margin-left:auto;font-size:14px;color:var(--ink2)}
.sh nav a{padding:7px 0;position:relative}
.sh nav a:hover{color:var(--brand-d)}
.sh nav a::after{content:"";position:absolute;left:0;right:0;bottom:1px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s}
.sh nav a:hover::after{transform:scaleX(1)}
.sh-cta{flex:none;display:inline-flex;align-items:center;height:38px;padding:0 20px;border-radius:19px;
  background:linear-gradient(135deg,#ffb43d,#ef8a12);color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 2px 6px rgba(196,111,8,.3);transition:.2s}
.sh-cta:hover{filter:brightness(1.04)}
.sh-menu{display:none;margin-left:auto;width:38px;height:38px;border-radius:11px;border:1px solid var(--line);
  align-items:center;justify-content:center}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:54px;padding:0 32px;
  border-radius:27px;background:linear-gradient(135deg,#ffb43d,#ef8a12);color:#fff;font-size:16.5px;font-weight:700;
  box-shadow:0 4px 14px -4px rgba(239,138,18,.6);transition:transform .18s,box-shadow .18s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px -6px rgba(239,138,18,.62)}
.btn svg{width:18px;height:18px}
.btn-light{background:#fff;color:var(--brand-d);box-shadow:0 4px 14px -6px rgba(36,26,16,.35)}
.btn-light:hover{background:#fffaf0;transform:translateY(-2px)}

/* ---------- hero：堆叠式（文案在上，机身在下） ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff8e9 0%,#ffeed3 62%,#fff6e6 100%);
  padding:58px 0 0}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(240,145,31,.18) 1.5px,transparent 1.6px);background-size:22px 22px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 70%)}
.hero::after{content:"";position:absolute;width:520px;height:520px;right:-140px;top:-210px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,200,92,.55),transparent 72%);pointer-events:none}
.hero-in{position:relative;z-index:2}
.hero-txt{max-width:690px}
.kicker{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:1.4px;color:var(--brand-d);
  text-transform:uppercase;font-weight:800}
.kicker i{width:26px;height:3px;border-radius:2px;background:var(--brand);display:inline-block}
.hero h1{font-size:62px;line-height:1.03;letter-spacing:-1.6px;margin:16px 0 12px;font-weight:800}
.hero .lead{display:inline-block;font-size:21px;font-weight:700;color:var(--brand-d);margin-bottom:12px;
  border-bottom:6px solid rgba(255,200,92,.55);padding-bottom:2px}
.hero .desc{font-size:15px;color:var(--ink2);max-width:640px;line-height:1.9}
.acts{display:flex;align-items:center;gap:14px;margin:24px 0 22px;flex-wrap:wrap}
.facts{display:flex;gap:10px;flex-wrap:wrap}
.facts li{font-size:13px;font-weight:700;background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 14px;color:var(--ink);box-shadow:0 2px 0 #f4e2c4}
.facts li span{font-weight:400;color:var(--ink3);margin-left:6px;font-size:12.5px}
.upd{font-size:12.5px;color:var(--ink3);margin-top:14px}

.hero-stage{position:relative;z-index:2;display:grid;grid-template-columns:342px 1fr;gap:34px;align-items:end;
  margin-top:30px}
.shelf{background:#fff;border:1px solid var(--line);border-radius:18px 18px 0 0;padding:16px 16px 20px;
  box-shadow:0 18px 40px -26px rgba(120,78,20,.5)}
.shelf-k{font-size:11px;letter-spacing:2px;font-weight:800;color:var(--brand-d);text-transform:uppercase;
  margin-bottom:10px;display:flex;justify-content:space-between;align-items:center}
.shelf-k em{font-style:normal;font-size:11px;color:var(--ink3);letter-spacing:0;font-weight:600}
.shelf ul{display:grid;gap:8px}
.shelf li{display:grid;grid-template-columns:44px 1fr auto;gap:10px;align-items:center;padding:8px 9px;
  border-radius:11px;background:var(--bg2)}
.shelf li i{width:44px;height:44px;border-radius:9px;font-style:normal;font-size:11px;font-weight:800;color:#fff;
  display:flex;align-items:center;justify-content:center;letter-spacing:.5px}
.shelf li b{display:block;font-size:13px;line-height:1.3}
.shelf li small{display:block;font-size:11.5px;color:var(--ink3)}
.shelf li em{font-style:normal;font-size:11px;font-weight:700;color:var(--brand-d);background:#fff;
  border:1px solid var(--line);border-radius:99px;padding:2px 8px}
.hero-photo{position:relative;display:flex;justify-content:flex-end;padding-bottom:0}
.device{position:relative;width:250px;height:410px;border-radius:30px 30px 0 0;background:#2a1d10;
  border:7px solid #2a1d10;border-bottom:0;box-shadow:0 -10px 40px -18px rgba(90,56,12,.65);overflow:hidden}
.device img{width:100%;height:100%;object-fit:cover;object-position:top center;border-radius:24px 24px 0 0}
.device::before{content:"";position:absolute;left:50%;top:7px;transform:translateX(-50%);width:60px;height:6px;
  border-radius:3px;background:#41301c;z-index:2}
.chip{position:absolute;z-index:3;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:10px 14px;font-size:12.5px;color:var(--ink2);box-shadow:0 10px 24px -16px rgba(90,56,12,.55)}
.chip b{display:block;font-size:13.5px;color:var(--ink);margin-bottom:1px}
.chip.c1{left:2%;bottom:126px}
.chip.c2{right:2%;bottom:64px;background:#fff6e4}
.chip.c3{right:24%;bottom:16px;background:var(--pink);border-color:var(--pink);color:#fff}
.chip.c3 b{color:#fff}

/* ---------- 题材条 ---------- */
.kinds{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kinds .wrap{display:flex;align-items:center;gap:14px;padding-top:16px;padding-bottom:16px;flex-wrap:wrap}
.kinds p{font-size:12px;color:var(--ink3);letter-spacing:1px;font-weight:700;text-transform:uppercase;flex:none}
.kinds ul{display:flex;gap:9px;flex-wrap:wrap}
.kinds li{font-size:13px;color:var(--ink2);border:1px solid var(--line);border-radius:99px;padding:5px 13px;
  background:var(--bg)}
.kinds li b{color:var(--brand-d);margin-left:5px;font-size:12px}

/* ---------- 公共 ---------- */
.sec-k{font-size:12px;letter-spacing:2px;font-weight:800;color:var(--brand-d);text-transform:uppercase}
.sec-h{max-width:660px;margin-bottom:36px}
.sec-h h2{font-size:38px;line-height:1.24;letter-spacing:-.6px;margin:10px 0 12px;font-weight:800}
.sec-h p{font-size:15px;color:var(--ink2)}
.sec-h.mid{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- 特色：错落 bento ---------- */
.feat{padding:78px 0 74px;background:var(--bg2);position:relative}
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.bento article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 22px;
  box-shadow:0 10px 0 -6px #f6e1bf;transition:transform .18s}
.bento article:hover{transform:translateY(-3px)}
.bento h4{font-size:17px;font-weight:800;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.bento h4 b{font-size:11px;font-weight:800;color:var(--brand-d);background:var(--brand-l);border-radius:7px;
  padding:3px 7px;letter-spacing:.5px}
.bento p{font-size:13.6px;color:var(--ink2)}
.bento .big{grid-column:span 2;grid-row:span 2;padding:28px 26px 24px;
  background:linear-gradient(150deg,#fff6e2,#fff);display:flex;flex-direction:column}
.bento .big p{max-width:340px}
.bento .big .mini{margin-top:auto;display:grid;gap:8px;padding-top:18px}
.bento .big .mini div{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--ink2);
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 11px}
.bento .big .mini i{width:22px;height:22px;border-radius:6px;flex:none;font-style:normal;font-size:11px;
  font-weight:800;color:#fff;display:flex;align-items:center;justify-content:center}
.bento .wide{grid-column:span 2}
.bento .full{grid-column:span 4}

/* ---------- 界面：阅读器窗口 + 横滑 ---------- */
.show{padding:80px 0 76px;background:#fff}
.reader{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--bg2);
  box-shadow:0 22px 44px -32px rgba(120,78,20,.55);margin-bottom:30px}
.reader-bar{display:flex;align-items:center;gap:9px;padding:11px 16px;background:#fff;border-bottom:1px solid var(--line)}
.reader-bar i{width:9px;height:9px;border-radius:50%;background:#f3d3a3;display:block}
.reader-bar i:nth-child(2){background:#f7c07f}
.reader-bar i:nth-child(3){background:#f0a24a}
.reader-bar span{margin-left:8px;font-size:12px;color:var(--ink3);letter-spacing:.4px}
.reader-bar em{margin-left:auto;font-style:normal;font-size:11.5px;font-weight:700;color:var(--brand-d);
  background:var(--brand-l);border-radius:99px;padding:3px 10px}
.strip{display:flex;gap:16px;padding:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch}
.shot{flex:0 0 210px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;padding-bottom:10px}
.shot img{width:100%;height:330px;object-fit:cover;object-position:top center;background:#f6ead4}
.shot figcaption{padding:9px 12px 0;font-size:12.5px;color:var(--ink2)}
.shot figcaption b{display:block;font-size:13px;color:var(--ink);font-weight:700}
.show-side{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:30px}
.show-side div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 18px 16px;
  border-top:3px solid var(--brand-2)}
.show-side h4{font-size:15.5px;font-weight:800;margin-bottom:4px}
.show-side p{font-size:13.4px;color:var(--ink2)}
/* ---------- 使用指南：独立 section ---------- */
.guide{padding:78px 0 72px;background:var(--bg)}
.guide ol{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:g}
.guide li{display:grid;grid-template-columns:26px 1fr;gap:10px;align-items:start;background:var(--bg2);
  border:1px solid var(--line);border-radius:16px;padding:22px 20px 20px}
.guide li::before{counter-increment:g;content:counter(g);width:26px;height:26px;border-radius:8px;
  background:var(--brand);color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;
  justify-content:center}
.guide h4{font-size:15px;font-weight:800;margin-bottom:3px}
.guide p{font-size:13.2px;color:var(--ink2)}

/* ---------- FAQ：双列问答 ---------- */
.faq{padding:78px 0 72px;background:var(--bg2)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.qa{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px 18px;
  overflow:hidden}
.qa::after{content:attr(data-q);position:absolute;right:12px;bottom:-16px;font-size:56px;font-weight:800;
  color:rgba(240,145,31,.08);line-height:1}
.qa h3{font-size:15.5px;font-weight:800;line-height:1.5;margin-bottom:6px;padding-left:34px;position:relative}
.qa h3::before{content:"Q";position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;
  justify-content:center}
.qa p{font-size:13.6px;color:var(--ink2);position:relative}
.qa.wide{grid-column:span 2}

/* ---------- 评价：时间线 ---------- */
.voices{padding:78px 0 72px;background:#fff}
.tl{max-width:860px;margin:0 auto;position:relative;padding-left:30px}
.tl::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:repeating-linear-gradient(180deg,#f3dcb6 0 8px,transparent 8px 16px)}
.tl blockquote{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:20px 22px 16px;margin-bottom:16px;box-shadow:0 8px 0 -5px #fbe9cd}
.tl blockquote::before{content:"";position:absolute;left:-25px;top:24px;width:10px;height:10px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 4px #fff5e3}
.tl blockquote:nth-child(2n){background:var(--bg2)}
.tl p{font-size:14px;color:var(--ink2)}
.tl footer{display:flex;align-items:center;gap:9px;margin-top:12px;font-size:12.5px;color:var(--ink3)}
.tl footer i{width:28px;height:28px;border-radius:9px;background:var(--brand-l);color:var(--brand-d);
  font-style:normal;font-weight:800;font-size:12px;display:flex;align-items:center;justify-content:center}
.tl footer cite{font-style:normal;font-weight:700;color:var(--ink2)}
.tl footer time{margin-left:auto;font-size:11.5px;font-variant-numeric:tabular-nums}

/* ---------- 下载：票券 ---------- */
.get{padding:0 0 74px;background:#fff}
.ticket{position:relative;max-width:1096px;margin:0 auto;border-radius:22px;overflow:hidden;
  background:linear-gradient(120deg,#f7a72b,#ec8210);color:#fff;box-shadow:0 22px 46px -28px rgba(196,111,8,.85)}
.ticket::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1.4px,transparent 1.5px);background-size:20px 20px;
  opacity:.5}
.ticket-in{position:relative;z-index:2;display:flex;align-items:center;gap:26px;padding:34px 38px;flex-wrap:wrap}
.ticket-logo{width:64px;height:64px;border-radius:16px;object-fit:cover;border:2px solid rgba(255,255,255,.7);
  box-shadow:0 6px 18px rgba(120,60,0,.3);flex:none}
.ticket-txt{flex:1;min-width:260px}
.ticket h2{font-size:32px;letter-spacing:-.5px;font-weight:800;margin-bottom:4px}
.ticket p{font-size:13.8px;color:rgba(255,255,255,.88);max-width:520px}
.ticket .btn-light{flex:none}
.ticket-cut{position:relative;z-index:2;border-top:2px dashed rgba(255,255,255,.5);margin:0 22px;
  padding:14px 16px 16px;display:flex;gap:22px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.9)}
.ticket-cut span{display:inline-flex;align-items:center;gap:6px}
.ticket-cut span::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;opacity:.85}

/* ---------- footer ---------- */
.ft{background:var(--dark);color:#cbbca6;padding:42px 0 30px}
.ft-in{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:30px;align-items:start}
.ft-brand{display:flex;align-items:center;gap:10px;color:#fff}
.ft-brand img{width:34px;height:34px;border-radius:9px;object-fit:cover}
.ft-brand strong{font-size:15.5px}
.ft p{font-size:12.5px;color:#9c8f7c;margin-top:10px;max-width:400px}
.ft-col h4{font-size:12px;color:#fff;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;font-weight:800}
.ft-col a,.ft-col span{display:block;font-size:12.5px;color:#a89b88;padding:3px 0}
.ft-col a:hover{color:var(--brand-2)}
.ft-copy{font-size:12px;color:#8d8170;margin-top:26px;border-top:1px solid rgba(255,255,255,.1);padding-top:16px}

.backtop{position:fixed;right:24px;bottom:84px;z-index:50;width:42px;height:42px;border-radius:50%;
  display:none;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);
  color:var(--ink);box-shadow:0 10px 24px -14px rgba(36,26,16,.6)}
.backtop.on{display:flex}
.backtop:hover{color:var(--brand-d);border-color:var(--brand)}
@media(max-width:768px){.backtop{right:16px;bottom:76px}}

.rv{animation:rvIn .5s ease both}
@keyframes rvIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.rv{animation:none}}

@media(max-width:1000px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento .big{grid-column:span 2;grid-row:auto}
  .bento .wide{grid-column:span 2}
  .bento .full{grid-column:span 2}
  .hero-stage{grid-template-columns:300px 1fr;gap:22px}
  .hero h1{font-size:48px}
  .device{width:224px;height:372px}
  .show-side{grid-template-columns:1fr}
  .guide ol{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .qa.wide{grid-column:span 1}
  .ft-in{grid-template-columns:1fr 1fr}
  .sh nav{display:none}
  .sh-menu{display:inline-flex}
  .sh-cta{margin-left:10px}
  .sh nav.open{display:flex;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;
    padding:14px 22px 18px;gap:14px;border-bottom:1px solid var(--line)}
}
@media(max-width:640px){
  .hero{padding-top:42px}
  .hero h1{font-size:35px}
  .hero .lead{font-size:18px}
  .hero .desc{font-size:14px}
  .hero-stage{grid-template-columns:1fr;gap:20px;margin-top:24px}
  .shelf{border-radius:18px}
  .hero-photo{justify-content:center;padding:0 0 0}
  .device{width:210px;height:340px}
  .chip.c1{left:0;bottom:110px}
  .chip.c2{right:0;bottom:54px}
  .chip.c3{display:none}
  .sec-h h2{font-size:29px}
  .ticket-in{padding:26px 22px}
  .ticket h2{font-size:26px}
  .btn{width:100%}
  .tl{padding-left:24px}
  .strip{padding:14px}
  .shot{flex:0 0 74%}
  .shot img{height:300px}
}