@charset "utf-8";
@import url("https://fonts.googleapis.com/css2?family=ZCOOL+KuaiLe&family=Noto+Sans+SC:wght@400;500;700;900&display=swap");

:root{
  --ink:#1a2744;
  --mute:#5a6d8c;
  --sky:#6aa8ff;
  --sky-d:#3b86f0;
  --sky-s:#a8c6fe;
  --gold:#ffd24a;
  --gold-d:#f0b400;
  --cream:#fff8e6;
  --paper:#f4f8ff;
  --white:#fff;
  --line:rgba(26,39,68,.14);
  --hard:10px 12px 0 rgba(26,39,68,.12);
  --shell:1200px;
  --nav-h:74px;
  --font:"Noto Sans SC",sans-serif;
  --display:"ZCOOL KuaiLe","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h)+10px)}
body{
  margin:0;min-width:320px;padding-top:var(--nav-h);
  color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.7;
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
p,h1,h2,h3,figure{margin:0}
ul{margin:0;padding:0;list-style:none}
.frame{width:min(calc(100% - 40px),var(--shell));margin:0 auto}

.grain{
  pointer-events:none;position:fixed;inset:0;z-index:90;opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* NAV */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:50;height:var(--nav-h);
  background:rgba(255,255,255,.9);backdrop-filter:blur(14px);
  border-bottom:3px solid var(--gold);
}
.topbar-in{height:100%;display:flex;align-items:center;gap:14px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{
  width:46px;height:46px;border-radius:14px;object-fit:cover;
  border:2px solid var(--sky-d);box-shadow:3px 3px 0 var(--gold);
}
.brand strong{display:block;font-family:var(--display);font-size:1.25rem;color:var(--ink)}
.brand small{display:block;font-size:10px;font-weight:800;letter-spacing:.16em;color:var(--sky-d)}
.menu{margin-left:auto}
.menu ul{display:flex;gap:2px;flex-wrap:wrap}
.menu a{display:block;padding:7px 9px;font-size:12px;font-weight:800;color:var(--mute);border:2px solid transparent}
.menu a.current,.menu a:hover{border-color:var(--sky-d);color:var(--sky-d)}
.header-get,.get-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:124px;height:44px;padding:0 16px;
  background:var(--gold);color:var(--ink);border:2px solid var(--ink);
  font-weight:900;box-shadow:4px 4px 0 var(--sky-d);
}
.header-get:hover,.get-btn:hover{transform:translate(-1px,-1px);box-shadow:5px 5px 0 var(--sky-d)}
.hand{display:none;align-items:center;gap:8px;margin-left:auto}
.nav-switch{width:42px;height:42px;border:2px solid var(--ink);display:grid;place-items:center;gap:5px;background:var(--cream)}
.nav-switch i{display:block;width:16px;height:2px;background:var(--ink)}

/* HERO — full-bleed art */
.hero{
  position:relative;min-height:calc(100svh - var(--nav-h));
  display:grid;align-items:stretch;overflow:hidden;
  background:#0d1a33;
}
.hero__bg{
  position:absolute;inset:0;z-index:0;
}
.hero__bg img{
  width:100%;height:100%;object-fit:cover;object-position:center 20%;
  transform:scale(1.04);
  animation:heroDrift 18s ease-in-out infinite alternate;
}
@keyframes heroDrift{from{transform:scale(1.04) translate3d(0,0,0)}to{transform:scale(1.08) translate3d(-1.5%,1%,0)}}
.hero__veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(90deg,rgba(13,26,51,.92) 0%,rgba(13,26,51,.78) 38%,rgba(13,26,51,.25) 68%,rgba(13,26,51,.45) 100%),
    linear-gradient(180deg,rgba(13,26,51,.2),rgba(13,26,51,.55));
}
.hero__inner{
  position:relative;z-index:2;
  width:min(calc(100% - 40px),var(--shell));margin:0 auto;
  display:grid;grid-template-columns:minmax(280px,.95fr) minmax(260px,1.05fr);
  gap:28px;align-items:center;padding:40px 0;min-height:calc(100svh - var(--nav-h));
}
.hero-copy{color:#fff;max-width:34em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--gold);
}
.eyebrow i{width:28px;height:3px;background:var(--gold)}
.hero h1{
  font-family:var(--display);font-size:clamp(2.8rem,6vw,4.6rem);
  line-height:1.05;margin:0 0 12px;color:var(--gold);
  text-shadow:0 4px 0 rgba(0,0,0,.25);
}
.dual{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  padding:7px 12px;background:rgba(255,210,74,.95);color:var(--ink);
  border:2px solid #fff;font-size:13px;font-weight:900;
}
.dual span{color:var(--sky-d)}
.lead{color:rgba(255,255,255,.86);margin:0 0 22px;line-height:1.85;font-size:15px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero .get-btn{height:52px;min-width:156px;font-size:16px}
.ghost{
  display:inline-flex;align-items:center;height:52px;padding:0 18px;
  border:2px solid #fff;color:#fff;font-weight:800;background:rgba(255,255,255,.08);
}
.ghost:hover{background:rgba(255,255,255,.16)}

.hero-stage{position:relative;min-height:520px}
.phone{
  position:absolute;border:3px solid #fff;border-radius:32px;overflow:hidden;
  background:#111;box-shadow:0 28px 60px rgba(0,0,0,.45);
}
.phone .screen{aspect-ratio:9/16;background:#111}
.phone img{width:100%;height:100%;object-fit:cover;object-position:top center}
.phone--main{
  width:min(260px,58%);left:50%;top:4%;transform:translateX(-42%) rotate(3deg);z-index:3;
  border-color:var(--gold);box-shadow:14px 18px 0 rgba(255,210,74,.35),0 28px 60px rgba(0,0,0,.45);
  animation:phoneLift 4.5s ease-in-out infinite;
}
.phone--side{
  width:min(200px,44%);left:8%;bottom:0;transform:rotate(-8deg);z-index:2;opacity:.96;
}
@keyframes phoneLift{0%,100%{transform:translateX(-42%) rotate(3deg) translateY(0)}50%{transform:translateX(-42%) rotate(3deg) translateY(-10px)}}
.float-art{
  position:absolute;z-index:1;width:min(160px,36%);border:3px solid #fff;
  box-shadow:8px 10px 0 rgba(0,0,0,.25);overflow:hidden;background:#fff;
}
.float-art img{width:100%;aspect-ratio:1;object-fit:cover}
.float-art--a{right:0;top:8%;transform:rotate(8deg);animation:cardSway 5s ease-in-out infinite}
.float-art--b{right:6%;bottom:12%;width:min(130px,30%);transform:rotate(-6deg);animation:cardSway 5.8s ease-in-out infinite reverse}
@keyframes cardSway{0%,100%{transform:rotate(8deg) translateY(0)}50%{transform:rotate(6deg) translateY(-8px)}}
.float-art--b{animation-name:cardSwayB}
@keyframes cardSwayB{0%,100%{transform:rotate(-6deg) translateY(0)}50%{transform:rotate(-4deg) translateY(-8px)}}

/* STRIP — image tiles */
.strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-block:3px solid var(--ink);background:var(--ink);
}
.strip article{
  position:relative;height:112px;overflow:hidden;border-right:2px solid var(--ink);
}
.strip article:last-child{border-right:0}
.strip img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform .45s}
.strip article:hover img{transform:scale(1.05)}
.strip figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:8px 10px 8px;
  background:linear-gradient(transparent,rgba(13,26,51,.92));
  color:#fff;font-weight:900;font-size:12px;line-height:1.25;
}
.strip figcaption b{display:block;font-family:var(--display);font-size:.95rem;color:var(--gold);margin-bottom:1px}

.sec{padding:88px 0}
.kicker{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--sky-d);margin-bottom:8px}
.sec-head{margin-bottom:28px;max-width:46em}
.sec-head h2{font-family:var(--display);font-size:clamp(1.9rem,3.4vw,2.8rem);margin:0 0 10px;line-height:1.15;color:var(--ink)}
.sec-head p{color:var(--mute);margin:0}

/* DUO phones */
.duo-sec{background:linear-gradient(180deg,var(--cream),var(--paper))}
.duo{
  display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch;
}
.duo article{
  border:3px solid var(--ink);background:#fff;box-shadow:var(--hard);
  display:grid;grid-template-columns:.9fr 1.1fr;min-height:360px;overflow:hidden;
}
.duo article:nth-child(2){background:var(--sky-s)}
.duo .copy{padding:28px 22px;display:flex;flex-direction:column;justify-content:center}
.duo h3{font-family:var(--display);font-size:1.55rem;margin:0 0 10px}
.duo p{margin:0;font-size:14px;line-height:1.8;color:var(--mute)}
.duo article:nth-child(2) p{color:var(--ink)}
.duo .pill{
  display:inline-block;margin-top:14px;padding:5px 10px;width:fit-content;
  border:2px solid var(--ink);font-size:11px;font-weight:900;letter-spacing:.08em;background:var(--gold);
}
.duo .shot{background:#111;display:grid;place-items:center;padding:18px 14px}
.duo .shot .device{
  width:min(180px,78%);border:3px solid #fff;border-radius:26px;overflow:hidden;
  box-shadow:0 16px 32px rgba(0,0,0,.25);
}
.duo .shot img{width:100%;aspect-ratio:9/16;object-fit:cover;object-position:top center}

/* WALL exhibition */
.wall-sec{background:var(--ink);color:#fff}
.wall-sec .kicker{color:var(--gold)}
.wall-sec .sec-head p{color:rgba(255,255,255,.65)}
.wall{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  grid-auto-rows:minmax(110px,14vw);
  gap:10px;
}
.wall figure{
  position:relative;overflow:hidden;border:3px solid rgba(255,255,255,.2);margin:0;background:#111;
}
.wall figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.wall figure:hover img{transform:scale(1.05)}
.wall figure figcaption{
  position:absolute;left:10px;bottom:10px;padding:6px 10px;
  background:var(--gold);color:var(--ink);font-size:12px;font-weight:900;
  border:2px solid #fff;opacity:0;transform:translateY(6px);transition:.25s;
}
.wall figure:hover figcaption{opacity:1;transform:none}
.wall .w1{grid-column:span 5;grid-row:span 2}
.wall .w2{grid-column:span 3;grid-row:span 2}
.wall .w3{grid-column:span 4;grid-row:span 1}
.wall .w4{grid-column:span 4;grid-row:span 1}
.wall .w5{grid-column:span 4;grid-row:span 2}
.wall .w6{grid-column:span 4;grid-row:span 2}
.wall .w7{grid-column:span 4;grid-row:span 2}
.wall .w8{grid-column:span 5;grid-row:span 1}
.wall .w9{grid-column:span 3;grid-row:span 1}
.wall .w10{grid-column:span 4;grid-row:span 1}

/* SHELF interactive */
.shelf-sec{background:#fff}
.shelf-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:16px}
.shelf-tabs button{
  border:3px solid var(--ink);background:var(--paper);padding:16px 12px;text-align:left;
  font-weight:900;box-shadow:var(--hard);min-height:96px;
}
.shelf-tabs button b{display:block;font-family:var(--display);font-size:1.35rem;color:var(--sky-d);margin-bottom:6px}
.shelf-tabs button span{display:block;font-size:12px;line-height:1.35;color:var(--mute)}
.shelf-tabs button.is-on{background:var(--ink);color:#fff}
.shelf-tabs button.is-on b{color:var(--gold)}
.shelf-tabs button.is-on span{color:rgba(255,255,255,.7)}
.shelf-panel{
  display:grid;grid-template-columns:1.15fr .85fr;gap:0;
  border:3px solid var(--ink);background:var(--cream);box-shadow:var(--hard);overflow:hidden;
  min-height:420px;
}
.shelf-panel .text{padding:32px 28px;display:flex;flex-direction:column;justify-content:center}
.shelf-panel h3{font-family:var(--display);font-size:1.8rem;margin:0 0 12px}
.shelf-panel p{margin:0 0 16px;font-size:15px;line-height:1.85;color:var(--mute)}
.shelf-panel .tags{display:flex;flex-wrap:wrap;gap:8px}
.shelf-panel .tags span{padding:6px 12px;border:2px solid var(--ink);background:#fff;font-size:12px;font-weight:800}
.shelf-panel .art{position:relative;min-height:420px;background:#111}
.shelf-panel .art img{width:100%;height:100%;object-fit:cover;object-position:top center;position:absolute;inset:0}
.shelf-panel .art .mark{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:8px 12px;background:var(--gold);border:2px solid #fff;font-weight:900;font-size:12px;
}

/* FAQ magazine */
.faq-sec{background:linear-gradient(180deg,var(--paper),var(--cream))}
.faq-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
.faq-item{
  border:3px solid var(--ink);background:#fff;box-shadow:var(--hard);
  display:grid;grid-template-columns:110px 1fr;overflow:hidden;min-height:150px;
}
.faq-item .thumb{background:#111;min-height:150px}
.faq-item .thumb img{width:100%;height:100%;object-fit:cover;min-height:150px}
.faq-item .body{padding:0}
.faq-item button{width:100%;padding:18px 16px;text-align:left;font-weight:900}
.faq-item button b{display:block;font-family:var(--display);font-size:1.05rem;margin-bottom:6px;color:var(--sky-d)}
.faq-item button span{display:block;font-size:14px;line-height:1.45}
.faq-a{display:none;padding:0 16px 16px;font-size:14px;line-height:1.75;color:var(--mute);border-top:2px dashed var(--line)}
.faq-item.is-on{background:var(--ink);color:#fff}
.faq-item.is-on button b{color:var(--gold)}
.faq-item.is-on .faq-a{display:block;color:rgba(255,255,255,.78);border-color:rgba(255,210,74,.25)}

/* REVIEWS */
.voice-sec{background:#fff;border-top:3px solid var(--ink)}
.voices{
  display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:14px;
}
.voice{
  border:3px solid var(--ink);background:var(--paper);padding:20px 18px;box-shadow:var(--hard);
  display:flex;flex-direction:column;min-height:220px;
}
.voice:first-child{
  grid-row:span 2;background:var(--sky-s);
  background-image:linear-gradient(135deg,rgba(255,255,255,.15),transparent),url("../../../../image/a.jpg");
  background-size:cover;background-position:center;color:#fff;position:relative;overflow:hidden;
}
.voice:first-child::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(13,26,51,.88),rgba(59,134,240,.75));
}
.voice:first-child > *{position:relative;z-index:1}
.voice p{margin:0 0 16px;font-size:14px;line-height:1.75;flex:1}
.voice:first-child p{font-size:15px}
.voice footer{display:flex;align-items:center;gap:10px;margin-top:auto}
.voice .av{
  width:38px;height:38px;border:2px solid var(--ink);overflow:hidden;background:var(--gold);flex:none;
}
.voice:first-child .av{border-color:#fff}
.voice .av img{width:100%;height:100%;object-fit:cover}
.voice .who b{display:block;font-size:13px}
.voice .who time{font-size:11px;opacity:.7;font-weight:700}

/* CTA */
.cta{
  position:relative;overflow:hidden;padding:80px 0;
  background:var(--ink);color:#fff;border-top:3px solid var(--gold);
}
.cta .frame{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center;
}
.cta h2{font-family:var(--display);font-size:clamp(2rem,3.6vw,3rem);color:var(--gold);margin:0 0 12px}
.cta p{color:rgba(255,255,255,.75);margin:0 0 22px;max-width:34em}
.cta .get-btn{background:var(--gold);color:var(--ink);border-color:var(--gold)}
.cta-stack{position:relative;height:360px;max-width:420px;margin:0 auto}
.cta-stack figure{
  position:absolute;border:3px solid #fff;overflow:hidden;background:#111;
  box-shadow:0 18px 40px rgba(0,0,0,.35);
}
.cta-stack .c1{width:48%;left:0;top:18%;transform:rotate(-10deg);z-index:1}
.cta-stack .c2{width:42%;right:0;top:0;transform:rotate(8deg);z-index:2;border-color:var(--gold)}
.cta-stack .c3{width:46%;left:28%;bottom:0;transform:rotate(-2deg);z-index:3}
.cta-stack img{width:100%;aspect-ratio:1;object-fit:cover;object-position:top center}
.cta-stack .c2 img,.cta-stack .c3 img{aspect-ratio:3/4}

.footer{padding:48px 0 32px;background:var(--cream);border-top:3px solid var(--ink)}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;margin-bottom:18px}
.footer strong{font-family:var(--display);font-size:1.3rem;display:block;margin-bottom:8px}
.footer p{color:var(--mute);font-size:14px;margin:0;max-width:40em}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 14px}
.footer-links a{font-size:13px;font-weight:800;border-bottom:2px solid transparent}
.footer-links a:hover{border-color:var(--sky-d)}
.footer-copy{font-size:12px;color:var(--mute);padding-top:14px;border-top:1px solid rgba(26,39,68,.15)}

.back-top{
  position:fixed;right:20px;bottom:20px;z-index:55;width:46px;height:46px;
  border:2px solid var(--ink);background:var(--gold);box-shadow:3px 3px 0 var(--ink);
  display:grid;place-items:center;opacity:0;pointer-events:none;transition:opacity .2s;
}
.back-top.is-show{opacity:1;pointer-events:auto}
.back-top i{width:11px;height:11px;border-left:2px solid var(--ink);border-top:2px solid var(--ink);transform:rotate(45deg);margin-top:4px}

@media (max-width:980px){
  .menu{display:none;position:absolute;top:var(--nav-h);left:0;right:0;background:#fff;padding:12px 16px;border-bottom:2px solid var(--gold)}
  .menu.is-open{display:block}
  .menu ul{flex-direction:column}
  .hand{display:flex}
  .topbar .header-get{display:none}
  .hero{min-height:0}
  .hero__inner{
    grid-template-columns:1fr;padding:32px 0;min-height:0;align-items:center;
  }
  .hero__veil{
    background:
      linear-gradient(180deg,rgba(13,26,51,.55) 0%,rgba(13,26,51,.35) 35%,rgba(13,26,51,.92) 72%);
  }
  .hero-copy{order:1;padding-bottom:8px}
  .hero-stage{order:2;min-height:420px;margin-top:8px}
  .float-art--b{display:none}
  .strip{grid-template-columns:repeat(2,1fr)}
  .strip article{border-bottom:2px solid var(--ink);height:96px}
  .duo{grid-template-columns:1fr}
  .duo article{grid-template-columns:1fr}
  .duo .shot{padding:22px}
  .wall{grid-template-columns:repeat(6,1fr);grid-auto-rows:minmax(100px,28vw)}
  .wall .w1,.wall .w2,.wall .w3,.wall .w4,.wall .w5,.wall .w6,.wall .w7,.wall .w8,.wall .w9,.wall .w10{grid-column:span 3;grid-row:span 1}
  .wall .w1,.wall .w5{grid-column:span 6;grid-row:span 2}
  .shelf-tabs{grid-template-columns:repeat(2,1fr)}
  .shelf-panel{grid-template-columns:1fr}
  .shelf-panel .art{min-height:280px}
  .faq-grid{grid-template-columns:1fr}
  .voices{grid-template-columns:1fr}
  .voice:first-child{grid-row:auto;min-height:280px}
  .cta .frame{grid-template-columns:1fr}
  .cta-stack{height:300px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .frame{width:min(calc(100% - 28px),var(--shell))}
  .hero h1{font-size:2.5rem}
  .phone--main{width:58%}
  .phone--side{width:40%}
  .strip{grid-template-columns:1fr 1fr}
  .strip article{height:88px}
  .shelf-tabs{grid-template-columns:1fr}
  .faq-item{grid-template-columns:88px 1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero__bg img,.phone--main,.float-art{animation:none !important}
}