/* Liqiang Zipline — zipline.liqiangrides.com
   Forest / canyon adventure aesthetic. No external fonts or CDNs. */

:root{
  --ink:#0b1013;
  --ink-2:#0f1619;
  --panel:#141d20;
  --panel-2:#1a2529;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --green:#1f9d55;
  --green-2:#2fd07a;
  --gold:#e8b04b;
  --cream:#f4f1ea;
  --mut:#a9b6b8;
  --mut-2:#93a4a7;
  --maxw:1200px;
  --r:16px;
  --shadow:0 30px 70px rgba(0,0,0,.5);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--ink);color:var(--cream);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:820px;margin:0 auto}

h1,h2,h3,h4{line-height:1.08;letter-spacing:-.025em;font-weight:800}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.72rem;font-weight:800;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold);
}
.eyebrow:before{content:"";width:26px;height:2px;background:var(--gold);display:block}
.eyebrow.center{justify-content:center}
.eyebrow.center:before{display:none}

.sect{padding:96px 0;position:relative}
.sect.tight{padding:64px 0}
.sect.alt{background:var(--ink-2)}
.sect-h{max-width:780px;margin-bottom:46px}
.sect-h h2{font-size:clamp(1.8rem,3.8vw,3rem);margin:14px 0 14px}
.sect-h p{color:var(--mut);font-size:1.04rem}
.sect-h.center{margin-left:auto;margin-right:auto;text-align:center}
.sect-h.center p{margin-left:auto;margin-right:auto}
.grad{background:linear-gradient(100deg,var(--green-2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 30px;border-radius:999px;font-weight:800;font-size:.95rem;
  letter-spacing:.01em;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s;
}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:linear-gradient(100deg,var(--green),var(--green-2));color:#04120a;box-shadow:0 14px 34px rgba(31,157,85,.32)}
.btn.primary:hover{box-shadow:0 18px 44px rgba(31,157,85,.45)}
.btn.ghost{background:transparent;border-color:var(--line-strong);color:var(--cream)}
.btn.ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn.gold{background:linear-gradient(100deg,var(--gold),#f3c877);color:#1a1206;box-shadow:0 14px 34px rgba(232,176,75,.28)}

/* ---------- top bar ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:linear-gradient(180deg,rgba(11,16,19,.92),rgba(11,16,19,.55) 70%,transparent);
  transition:background .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.topbar.solid{background:rgba(11,16,19,.96);border-bottom-color:var(--line);backdrop-filter:blur(14px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.02rem;letter-spacing:-.01em}
.brand .mark{
  width:40px;height:40px;border-radius:11px;flex:0 0 auto;
  display:grid;place-items:center;font-size:.9rem;font-weight:900;letter-spacing:-.02em;
  background:linear-gradient(135deg,var(--green),var(--green-2));color:#04120a;
  box-shadow:0 8px 22px rgba(31,157,85,.35);
}
.brand small{display:block;font-size:.66rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--mut-2);margin-top:-2px}
.menu{display:flex;align-items:center;gap:26px}
.menu a{font-size:.92rem;font-weight:600;color:var(--mut);transition:color .16s}
.menu a:hover,.menu a.active{color:var(--cream)}
.menu a.btn{color:#04120a}
.menu a.btn.ghost{color:var(--cream)}
.burger{
  display:none;width:44px;height:44px;border-radius:11px;background:transparent;
  border:1px solid var(--line-strong);color:var(--cream);cursor:pointer;
}
.burger svg{width:22px;height:22px;margin:auto}

/* ---------- hero ---------- */
.hero{position:relative;min-height:min(92vh,860px);display:flex;align-items:flex-end;overflow:hidden}
.hero .bg{position:absolute;inset:0;z-index:0}
.hero .bg img{width:100%;height:100%;object-fit:cover;object-position:center 42%}
.hero .bg:after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,16,19,.55) 0%,rgba(11,16,19,.30) 34%,rgba(11,16,19,.88) 78%,var(--ink) 100%);
}
.hero .inner{position:relative;z-index:2;padding:120px 0 78px;width:100%}
.hero h1{font-size:clamp(2.2rem,5.6vw,4.4rem);max-width:17ch;margin:16px 0 20px}
.hero p.lede{font-size:clamp(1rem,1.5vw,1.18rem);color:#dbe3e4;max-width:60ch;margin-bottom:30px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .stats{display:flex;gap:44px;flex-wrap:wrap;margin-top:52px;padding-top:30px;border-top:1px solid var(--line)}
.hero .stats div strong{display:block;font-size:1.5rem;font-weight:900;letter-spacing:-.02em}
.hero .stats div span{font-size:.76rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--mut-2)}

/* ---------- inner page hero ---------- */
.phero{position:relative;min-height:clamp(360px,48vh,520px);display:flex;align-items:flex-end;overflow:hidden;margin-bottom:0}
.phero .bg{position:absolute;inset:0;z-index:0}
.phero .bg img{width:100%;height:100%;object-fit:cover;object-position:center 45%}
.phero .bg:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,19,.72),rgba(11,16,19,.55) 45%,var(--ink) 100%)}
.phero .inner{position:relative;z-index:2;padding:130px 0 56px;width:100%}
.phero h1{font-size:clamp(1.9rem,4.4vw,3.4rem);max-width:20ch;margin:14px 0 16px}
.phero p{color:#d5dfe0;max-width:64ch;font-size:1.02rem}
.crumbs{font-size:.78rem;color:var(--mut-2);letter-spacing:.04em;margin-bottom:6px}
.crumbs a:hover{color:var(--gold)}
.crumbs span{margin:0 7px;opacity:.5}
.crumbs b{color:var(--cream);font-weight:600}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:28px;transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.card h3{font-size:1.12rem;margin-bottom:10px}
.card p{color:var(--mut);font-size:.94rem}
.card .ic{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(31,157,85,.14);border:1px solid rgba(47,208,122,.28);color:var(--green-2);
}
.card .ic svg{width:22px;height:22px}
.card .num{font-size:.74rem;font-weight:900;letter-spacing:.18em;color:var(--gold);margin-bottom:10px}

/* ---------- media cards ---------- */
.mcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:border-color .2s,transform .2s}
.mcard:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.mcard .ph{aspect-ratio:16/10;overflow:hidden;background:var(--ink-2)}
.mcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.mcard:hover .ph img{transform:scale(1.045)}
.mcard .bd{padding:20px 22px 24px}
.mcard .bd h3{font-size:1.04rem;margin-bottom:7px}
.mcard .bd p{color:var(--mut);font-size:.9rem}
.mcard .tag{
  display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase;
  color:var(--gold);background:rgba(232,176,75,.10);border:1px solid rgba(232,176,75,.26);
  padding:5px 10px;border-radius:999px;margin-bottom:12px;
}

/* ---------- spec table ---------- */
.spec{width:100%;border-collapse:collapse;font-size:.93rem}
.spec caption{text-align:left;font-weight:800;font-size:1.1rem;padding-bottom:14px}
.spec th,.spec td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec th{color:var(--mut-2);font-weight:700;width:44%;font-size:.86rem;letter-spacing:.02em}
.spec td{color:var(--cream)}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.specwrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;overflow-x:auto}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split.rev{grid-template-columns:.95fr 1.05fr}
.split .txt h2{font-size:clamp(1.6rem,3.2vw,2.5rem);margin:14px 0 18px}
.split .txt p{color:var(--mut);margin-bottom:16px}
.split .txt ul{list-style:none;margin:22px 0}
.split .txt ul li{position:relative;padding-left:30px;margin-bottom:13px;color:#cfd9da;font-size:.96rem}
.split .txt ul li:before{
  content:"";position:absolute;left:0;top:.52em;width:15px;height:15px;border-radius:50%;
  background:rgba(31,157,85,.16);border:1px solid rgba(47,208,122,.5);
}
.split .txt ul li:after{
  content:"";position:absolute;left:5px;top:.72em;width:5px;height:5px;border-radius:50%;background:var(--green-2);
}
.split .pic{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split .pic img{width:100%;height:100%;object-fit:cover}

/* ---------- gallery ---------- */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gal figure{position:relative;border-radius:12px;overflow:hidden;cursor:zoom-in;border:1px solid var(--line);aspect-ratio:4/3;background:var(--ink-2)}
.gal figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.gal figure:hover img{transform:scale(1.06)}
.gal figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;font-size:.8rem;font-weight:600;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.82));color:#e8eeee;
}

/* lightbox */
.lb{position:fixed;inset:0;z-index:200;display:none;place-items:center;background:rgba(5,8,9,.94);padding:40px}
.lb.on{display:grid}
.lb img{max-width:min(1200px,94vw);max-height:88vh;border-radius:10px;box-shadow:0 30px 90px rgba(0,0,0,.7)}
.lb .close{
  position:absolute;top:22px;right:26px;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.10);border:1px solid var(--line-strong);color:#fff;
  font-size:1.5rem;line-height:1;cursor:pointer;
}

/* ---------- video cards ---------- */
.vgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.vcard{
  position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);
  background:#000;aspect-ratio:9/16;cursor:pointer;
}
.vcard video{width:100%;height:100%;object-fit:cover}
.vcard .play{
  position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;
  background:linear-gradient(180deg,rgba(0,0,0,.10),rgba(0,0,0,.52));
  transition:opacity .2s ease;
}
.vcard .play i{
  width:60px;height:60px;border-radius:50%;background:rgba(255,255,255,.94);
  display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.vcard .play i:before{content:"";display:block;width:0;height:0;border-style:solid;border-width:11px 0 11px 18px;border-color:transparent transparent transparent #0b1013;margin-left:4px}
.vcard.playing .play{opacity:0}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{position:relative;padding-top:26px;border-top:2px solid var(--line)}
.step:before{
  content:counter(s);counter-increment:s;
  position:absolute;top:-16px;left:0;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;font-size:.82rem;font-weight:900;
  background:var(--green);color:#04120a;
}
.step h4{font-size:1rem;margin-bottom:8px}
.step p{color:var(--mut);font-size:.88rem}

/* ---------- FAQ ---------- */
.faq details{
  border:1px solid var(--line);border-radius:12px;background:var(--panel);
  padding:0;margin-bottom:12px;overflow:hidden;
}
.faq details[open]{border-color:var(--line-strong)}
.faq summary{
  padding:18px 22px;font-weight:700;font-size:.98rem;cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-size:1.35rem;font-weight:400;color:var(--gold);line-height:1}
.faq details[open] summary:after{content:"\2013"}
.faq .ans{padding:0 22px 20px;color:var(--mut);font-size:.94rem}

/* ---------- CTA band ---------- */
.band{
  position:relative;padding:84px 0;overflow:hidden;
  background:linear-gradient(120deg,#0e2b1c,#123a24 45%,#0e2b1c);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.band .wrap{position:relative;z-index:2;text-align:center}
.band h2{font-size:clamp(1.7rem,3.4vw,2.7rem);margin-bottom:16px}
.band p{color:#c9d6d3;max-width:62ch;margin:0 auto 30px}
.band .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- form ---------- */
.form{display:grid;gap:16px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;font-size:.8rem;font-weight:700;letter-spacing:.03em;color:var(--mut-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:10px;background:var(--ink-2);
  border:1px solid var(--line-strong);color:var(--cream);font-size:.94rem;font-family:inherit;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green-2);box-shadow:0 0 0 3px rgba(47,208,122,.12)}
.field textarea{min-height:120px;resize:vertical}
.form .hint{font-size:.78rem;color:var(--mut-2)}
#form-ok{
  padding:14px 18px;border-radius:10px;background:rgba(31,157,85,.14);
  border:1px solid rgba(47,208,122,.4);color:var(--green-2);font-size:.9rem;font-weight:600;
}

/* ---------- contact rows ---------- */
.crow{display:flex;align-items:center;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.crow:last-child{border-bottom:0}
.crow .ic{width:40px;height:40px;border-radius:11px;flex:0 0 auto;display:grid;place-items:center;background:rgba(31,157,85,.13);border:1px solid rgba(47,208,122,.26);color:var(--green-2)}
.crow .ic svg{width:19px;height:19px}
.crow .k{font-size:.76rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--mut-2)}
.crow .v{font-weight:700;font-size:.98rem;word-break:break-word}

/* ---------- footer ---------- */
footer{background:var(--ink-2);border-top:1px solid var(--line);padding:64px 0 30px}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.fgrid h5{font-size:.74rem;font-weight:800;letter-spacing:.15em;text-transform:uppercase;color:var(--mut-2);margin-bottom:16px}
.fgrid a{display:block;font-size:.9rem;color:var(--mut);margin-bottom:10px;transition:color .16s}
.fgrid a:hover{color:var(--gold)}
.fgrid .about{font-size:.87rem;color:var(--mut-2);margin-top:14px;max-width:34ch}
.fbot{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-top:26px;border-top:1px solid var(--line);font-size:.8rem;color:var(--mut-2);
}

/* ---------- reveal ---------- */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px 20px}
  .split,.split.rev{grid-template-columns:1fr;gap:34px}
  .vgrid{grid-template-columns:repeat(2,1fr)}
  .fgrid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:820px){
  .menu{
    position:fixed;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;background:rgba(11,16,19,.985);border-bottom:1px solid var(--line);
    padding:10px 24px 22px;transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;backdrop-filter:blur(16px);
  }
  .menu.open{transform:none;opacity:1;pointer-events:auto}
  .menu a{padding:14px 0;border-bottom:1px solid var(--line);font-size:1rem}
  .menu a.btn{margin-top:16px;border-bottom:0;justify-content:center}
  .burger{display:grid}
  .g2,.g3{grid-template-columns:1fr}
  .gal{grid-template-columns:repeat(2,1fr)}
  .hero .stats{gap:28px}
  .sect{padding:68px 0}
  .f2{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .g4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .vgrid{grid-template-columns:1fr}
  .gal{grid-template-columns:1fr}
  .hero .inner{padding:104px 0 56px}
  .hero{min-height:auto}
  .phero .inner{padding:112px 0 44px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .js .rv{opacity:1;transform:none}
}