:root{
  --bg-0:#04060d;
  --bg-1:#070b18;
  --line:rgba(124,196,255,.14);
  --glass:rgba(16,26,52,.55);
  --glass-strong:rgba(20,32,64,.72);
  --stroke:rgba(160,200,255,.18);
  --stroke-bright:rgba(160,210,255,.42);
  --text:#e9f2ff;
  --text-dim:#9fb3d1;
  --text-faint:#6b7e9e;
  --brand:#0a59f7;
  --brand-2:#00e5ff;
  --brand-3:#7cc4ff;
  --r-lg:22px;
  --hdr-h:68px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  font-family:"HarmonyOS Sans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg-0);color:var(--text);
  min-height:100svh;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;letter-spacing:.01em;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}
img{display:block;max-width:100%}

/* 毛笔题字 */
.brush{
  font-family:"Ma Shan Zheng","STKaiti","KaiTi","楷体",serif;
  font-weight:400;
}
/* 英文模式下毛笔字体无拉丁字形，改用无衬线 */
body.lang-en .brush{
  font-family:"HarmonyOS Sans","PingFang SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-weight:600;letter-spacing:.01em;
}

/* ============ 背景 ============ */
.bg-sky{
  position:fixed;inset:0;z-index:-3;
  background:
    radial-gradient(1200px 700px at 70% -10%, rgba(10,89,247,.28), transparent 60%),
    radial-gradient(900px 600px at 10% 110%, rgba(0,229,255,.12), transparent 60%),
    linear-gradient(180deg,#04060d 0%, #060914 45%, #03050b 100%);
}
canvas#stars{position:fixed;inset:0;z-index:-2;display:block;opacity:.85}
.grid-floor{
  position:fixed;inset:auto 0 0 0;height:42vh;z-index:-2;pointer-events:none;
  background:linear-gradient(180deg,transparent 0%, rgba(0,229,255,.04) 30%, rgba(10,89,247,.10) 100%);
}
.grid-floor::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(124,196,255,.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,196,255,.10) 1px, transparent 1px);
  background-size:46px 46px;
  transform:perspective(520px) rotateX(62deg) translateY(8%);
  transform-origin:bottom center;
  mask-image:linear-gradient(180deg,transparent, #000 55%);
  -webkit-mask-image:linear-gradient(180deg,transparent, #000 55%);
  animation:floorMove 14s linear infinite;
}
@keyframes floorMove{from{background-position:0 0,0 0}to{background-position:0 46px,46px 0}}

/* ============ 容器 ============ */
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:var(--hdr-h);
  transition:background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(6,10,22,.94);
  backdrop-filter:blur(22px);
  border-bottom-color:var(--line);
}
.hdr-inner{
  max-width:1180px;margin:0 auto;padding:0 28px;
  height:var(--hdr-h);display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-img{display:block;height:36px;width:auto;flex-shrink:0;filter:drop-shadow(0 0 12px rgba(255,170,60,.35))}
.logo-text{
  display:flex;flex-direction:column;line-height:1.15;
  font-size:16px;font-weight:600;letter-spacing:.1em;
  background:linear-gradient(180deg,#ffffff,#9fc4ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.logo-text i{
  font-style:normal;font-size:10px;letter-spacing:.28em;opacity:.6;margin-top:2px;
}

.nav{display:flex;align-items:center;gap:6px}
.nav-link{
  padding:9px 15px;border-radius:10px;font-size:14px;color:var(--text-dim);
  transition:color .2s, background .2s;
}
.nav-link:hover{color:var(--text);background:rgba(124,196,255,.08)}
.nav-link.active{color:#fff}
.nav-link.active::after{
  content:"";display:block;height:2px;margin-top:5px;border-radius:2px;
  background:linear-gradient(90deg,#0a59f7,#00e5ff);
  box-shadow:0 0 10px rgba(0,229,255,.7);
}
.nav-link.active{padding-bottom:4px}
.nav-cta{
  margin-left:10px;padding:9px 20px;border-radius:11px;font-size:14px;font-weight:500;color:#fff;
  background:linear-gradient(135deg,#0a59f7,#0084ff);
  box-shadow:0 6px 20px rgba(10,89,247,.45), inset 0 1px 0 rgba(255,255,255,.2);
  transition:transform .2s, box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(10,89,247,.6)}

/* 语言切换 */
.lang-switch{
  display:flex;align-items:center;gap:2px;flex-shrink:0;
  padding:3px;border-radius:11px;
  background:rgba(16,26,52,.5);backdrop-filter:blur(14px);
  border:1px solid var(--stroke);
}
.lang-btn{
  padding:5px 11px;border-radius:8px;
  font-size:12.5px;font-weight:500;letter-spacing:.04em;
  color:var(--text-faint);
  transition:color .2s, background .2s, box-shadow .2s;
}
.lang-btn:hover{color:var(--text)}
.lang-btn.active{
  color:#fff;background:linear-gradient(135deg,#0a59f7,#0084ff);
  box-shadow:0 4px 14px rgba(10,89,247,.5);
}

/* 顶部时间 */
.hdr-right{display:flex;align-items:center;gap:22px;margin-left:auto}
.hdr-clock{
  display:flex;align-items:center;gap:12px;flex-shrink:0;
  padding:6px 14px;border-radius:11px;
  background:rgba(16,26,52,.5);backdrop-filter:blur(14px);
  border:1px solid var(--stroke);white-space:nowrap;
}
.hdr-clock .ck{display:flex;align-items:baseline;gap:7px}
.hdr-clock em{font-style:normal;font-size:10.5px;letter-spacing:.14em;color:var(--text-faint)}
.hdr-clock b{
  font-family:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
  font-size:13.5px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-2);text-shadow:0 0 12px rgba(0,229,255,.4);
}
.hdr-clock .ck-div{width:1px;height:14px;background:var(--line)}
@media(max-width:1080px){.hdr-clock{display:none}}

.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border:1px solid var(--stroke);background:var(--glass)}
.nav-toggle span{display:block;width:17px;height:1.6px;background:var(--text);border-radius:2px;transition:transform .25s, opacity .2s}
.nav-toggle.open span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn-primary,.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 30px;border-radius:14px;font-size:15px;font-weight:500;color:#fff;
  transition:transform .2s, box-shadow .2s, background .2s, border-color .2s;
}
.btn-primary{
  background:linear-gradient(135deg,#0a59f7,#0084ff);
  box-shadow:0 8px 26px rgba(10,89,247,.5), inset 0 1px 0 rgba(255,255,255,.2);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(10,89,247,.7)}
.btn-ghost{
  background:var(--glass);backdrop-filter:blur(14px);
  border:1px solid var(--stroke-bright);
}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(30,48,90,.7);border-color:rgba(190,225,255,.6)}

/* ============ 首屏 ============ */
.hero{
  position:relative;min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;
  padding:calc(var(--hdr-h) + 60px) 0 0;
  overflow:hidden;
}
.hero-media{
  position:absolute;inset:0;z-index:-1;
  background-image:url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=cinematic%20wide%20aerial%20view%20of%20a%20modern%20airliner%20flying%20above%20a%20night%20cloud%20layer%2C%20deep%20navy%20blue%20sky%20full%20of%20stars%2C%20moonlit%20cloud%20tops%2C%20professional%20aviation%20photography%2C%20moody%20dark%20cinematic%20tones%2C%20no%20text&image_size=landscape_16_9');
  background-size:cover;background-position:center right;
  transform:scale(1.04);
}
.hero-veil{
  position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(90deg, rgba(4,6,13,.94) 0%, rgba(4,6,13,.74) 42%, rgba(4,6,13,.30) 75%, rgba(4,6,13,.55) 100%),
    linear-gradient(180deg, rgba(4,6,13,.86) 0%, transparent 26%, rgba(4,6,13,.78) 100%);
}
.hero-inner{
  max-width:1180px;width:100%;margin:0 auto;padding:0 28px 90px;
}
.hero-inner > *{max-width:730px}
.hero-eyebrow{
  display:inline-block;padding:6px 14px;border-radius:999px;margin-bottom:26px;
  font-size:12.5px;letter-spacing:.22em;color:var(--brand-2);
  background:rgba(0,229,255,.09);border:1px solid rgba(0,229,255,.26);
}
.hero-mini{
  margin-bottom:14px;
  font-size:13.5px;letter-spacing:.3em;color:var(--brand-3);
  text-shadow:0 0 18px rgba(124,196,255,.35);
}
.hero-title{
  font-size:clamp(42px,7.4vw,86px);
  line-height:1.22;letter-spacing:.03em;
  background:linear-gradient(180deg,#ffffff 0%, #cfe2ff 52%, #7fb0e6 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 80px rgba(10,89,247,.3);
}
.hero-en{
  margin-top:20px;font-size:clamp(13px,1.7vw,16px);color:var(--text-dim);letter-spacing:.1em;
}
.hero-desc{
  margin-top:22px;font-size:15.5px;line-height:1.95;color:var(--text-dim);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero-actions .globe{color:#fff}

/* 滚动公告 */
.marquee{
  padding:13px 22px;border-radius:999px;
  background:var(--glass);backdrop-filter:blur(18px);
  border:1px solid var(--stroke);
  overflow:hidden;white-space:nowrap;
  box-shadow:0 8px 30px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.05);
}
.marquee-track{
  display:inline-block;white-space:nowrap;
  animation:scroll 18s linear infinite;
  font-size:13.5px;color:var(--brand-2);letter-spacing:.04em;
}
.marquee-track .tag{
  display:inline-block;margin-right:14px;padding:2px 8px;border-radius:6px;
  background:rgba(0,229,255,.14);color:var(--brand-2);font-size:11px;letter-spacing:.1em;
}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marquee:hover .marquee-track{animation-play-state:paused}

.hero-marquee{
  max-width:1180px;width:calc(100% - 56px);margin:0 auto 34px;
}

/* ============ 通用分节 ============ */
.section{padding:112px 0}
.sec-head{max-width:720px;margin-bottom:52px}
.sec-tag{
  display:inline-block;padding:5px 13px;border-radius:999px;margin-bottom:18px;
  font-size:12px;letter-spacing:.2em;color:var(--brand-2);
  background:rgba(0,229,255,.09);border:1px solid rgba(0,229,255,.24);
}
.sec-tag-row{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.sec-tag-row .sec-tag{margin-bottom:0}
.sec-logo{display:block;height:26px;width:auto}
.sec-title{
  font-size:clamp(24px,3.5vw,40px);font-weight:600;line-height:1.35;color:#fff;letter-spacing:.02em;
}
.sec-sub{margin-top:16px;font-size:15px;line-height:1.9;color:var(--text-dim);max-width:620px}

/* ============ APP 应用 ============ */
.version-tabs{margin-top:4px;display:flex;gap:10px}
.tab-btn{
  padding:11px 30px;border-radius:12px;font-size:14.5px;font-weight:500;
  background:var(--glass);backdrop-filter:blur(14px);
  border:1px solid var(--stroke);color:var(--text-dim);
  transition:all .25s;
}
.tab-btn:hover{color:var(--text);border-color:var(--stroke-bright)}
.tab-btn.active{
  background:linear-gradient(135deg,#0a59f7,#0084ff);
  color:#fff;border-color:transparent;
  box-shadow:0 6px 22px rgba(10,89,247,.5);
}

.version-panel{
  margin-top:34px;
  padding:44px 40px;border-radius:var(--r-lg);
  background:
    radial-gradient(500px 240px at 80% 0%, rgba(0,229,255,.12), transparent 60%),
    radial-gradient(500px 240px at 10% 100%, rgba(10,89,247,.18), transparent 60%),
    var(--glass-strong);
  backdrop-filter:blur(22px);
  border:1px solid var(--stroke-bright);
  box-shadow:0 20px 60px rgba(0,0,0,.5);
  min-height:260px;
}
.panel{display:none;animation:fadeIn .35s ease}
.panel.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

.panel-title{font-size:clamp(20px,3.4vw,30px);font-weight:600;line-height:1.4;color:#fff}
.panel-sub{margin-top:14px;font-size:14.5px;line-height:1.8;color:var(--text-dim);max-width:760px}
.panel-actions{margin-top:28px}
.dl-btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 30px;border-radius:14px;font-size:15px;font-weight:500;color:#fff;
  background:linear-gradient(135deg,#0a59f7,#0084ff);
  box-shadow:0 8px 26px rgba(10,89,247,.5), inset 0 1px 0 rgba(255,255,255,.2);
  transition:transform .2s, box-shadow .2s;
}
.dl-btn:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(10,89,247,.7)}

/* 最新资讯 */
.news{
  margin-top:30px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;align-items:flex-start;gap:12px;
}
.news .badge{
  flex-shrink:0;padding:3px 9px;border-radius:6px;font-size:11px;letter-spacing:.08em;
  background:rgba(0,229,255,.14);color:var(--brand-2);border:1px solid rgba(0,229,255,.28);
}
.news p{font-size:13.5px;color:var(--text-dim);line-height:1.7}

.app-notes{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.app-note{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 18px;border-radius:12px;font-size:13.5px;color:var(--text-dim);
  background:rgba(16,26,52,.45);border:1px solid var(--line);
}
.app-note .dot{
  width:6px;height:6px;border-radius:50%;flex-shrink:0;
  background:var(--brand-2);box-shadow:0 0 10px rgba(0,229,255,.9);
}

/* ============ 飞行生态 ============ */
.eco-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0 34px;
}
.eco-item{
  padding:26px 0 26px;border-top:1px solid var(--line);
  transition:border-color .3s ease;
}
.eco-item:hover{border-top-color:var(--stroke-bright)}
.eco-item h3{
  font-size:16.5px;font-weight:600;color:#fff;display:flex;align-items:center;gap:9px;
}
.eco-item h3::before{
  content:"";width:5px;height:5px;border-radius:50%;flex-shrink:0;
  background:var(--brand-2);box-shadow:0 0 8px rgba(0,229,255,.8);
}
.eco-item p{margin-top:10px;font-size:13.5px;line-height:1.8;color:var(--text-dim)}

/* ============ 宣传中心 ============ */
.promo-slider{
  position:relative;overflow:hidden;
  aspect-ratio:16/9;border-radius:var(--r-lg);
  border:1px solid var(--stroke-bright);
  background:var(--glass);backdrop-filter:blur(18px);
  box-shadow:0 24px 70px rgba(0,0,0,.55);
}
.promo-slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease}
.promo-slide.active{opacity:1}
.promo-slide img{display:block;width:100%;height:100%;object-fit:cover}
.promo-dots{
  position:absolute;left:0;right:0;bottom:16px;z-index:2;
  display:flex;justify-content:center;gap:9px;
}
.promo-dot{
  width:9px;height:9px;padding:0;border-radius:50%;
  background:rgba(255,255,255,.4);
  transition:background .25s, transform .25s;
}
.promo-dot:hover{background:rgba(255,255,255,.7)}
.promo-dot.active{
  background:var(--brand-2);transform:scale(1.2);
  box-shadow:0 0 12px rgba(0,229,255,.85);
}

/* ============ 优质合作伙伴 ============ */
.partner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.partner-card{
  position:relative;display:flex;flex-direction:column;gap:14px;
  height:100%;padding:30px 26px;border-radius:var(--r-lg);
  background:var(--glass);backdrop-filter:blur(18px);
  border:1px solid var(--stroke);overflow:hidden;
  transition:transform .28s, border-color .28s, box-shadow .28s, background .28s;
}
.partner-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;
  background:radial-gradient(340px 180px at 50% 0%, rgba(0,229,255,.16), transparent 70%);
  transition:opacity .28s;
}
.partner-card:hover{
  transform:translateY(-4px);border-color:var(--stroke-bright);
  background:var(--glass-strong);box-shadow:0 22px 54px rgba(0,0,0,.5);
}
.partner-card:hover::before{opacity:1}
.partner-idx{
  font-family:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
  font-size:12px;letter-spacing:.18em;color:var(--brand-2);opacity:.85;
}
.partner-card h3{
  font-size:17.5px;font-weight:600;color:#fff;line-height:1.5;
}
.partner-go{
  display:inline-flex;align-items:center;gap:7px;margin-top:auto;
  font-size:13px;color:var(--brand-2);transition:gap .25s;
}
.partner-card:hover .partner-go{gap:11px}
.partner-card.is-static{cursor:default}
.partner-card.is-static:hover{transform:none}

/* ============ 联系我们 ============ */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.contact-item{
  display:flex;align-items:center;gap:18px;
  padding:26px 28px;border-radius:var(--r-lg);
  background:var(--glass);backdrop-filter:blur(18px);
  border:1px solid var(--stroke);
  transition:border-color .25s, background .25s;
}
.contact-item:hover{border-color:var(--stroke-bright);background:var(--glass-strong)}
.contact-k{
  flex-shrink:0;padding:5px 13px;border-radius:999px;
  font-size:12px;letter-spacing:.16em;color:var(--brand-2);
  background:rgba(0,229,255,.09);border:1px solid rgba(0,229,255,.24);
}
.contact-v{
  font-family:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
  font-size:15px;font-weight:600;letter-spacing:.04em;color:#fff;
  transition:color .2s, text-shadow .2s;
}
a.contact-v:hover{color:var(--brand-2);text-shadow:0 0 14px rgba(0,229,255,.55)}

/* ============ 下载 CTA ============ */
.cta-section{
  position:relative;padding:130px 0;overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-media{
  position:absolute;inset:0;z-index:-1;
  background-image:url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=airliner%20on%20runway%20at%20night%20with%20blue%20runway%20edge%20lights%20and%20wet%20asphalt%20reflections%2C%20cinematic%20dark%20aviation%20photography%2C%20no%20text&image_size=landscape_16_9');
  background-size:cover;background-position:center;
}
.cta-veil{
  position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg, rgba(4,6,13,.9), rgba(4,6,13,.7) 45%, rgba(4,6,13,.94)),
    radial-gradient(700px 320px at 22% 50%, rgba(10,89,247,.35), transparent 70%);
}
.cta-inner{max-width:1180px}
.cta-inner .sec-sub{margin-bottom:0}
.cta-inner .hero-actions{margin-top:34px}

/* ============ 页脚 ============ */
footer{
  padding:56px 28px 44px;margin-top:0;
  border-top:1px solid var(--line);
}
.foot-inner{
  max-width:1180px;margin:0 auto;padding-bottom:30px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.foot-brand{display:flex;align-items:center;gap:11px}
.foot-brand .logo-img{height:28px}
.foot-nav{display:flex;gap:26px;flex-wrap:wrap}
.foot-nav a{font-size:13.5px;color:var(--text-dim);transition:color .2s}
.foot-nav a:hover{color:var(--text)}
.foot-copy{
  max-width:1180px;margin:0 auto;padding-top:26px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-faint);
}

/* ============ 浮现 ============ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease, transform .8s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .grid-floor::before{animation:none}
}

/* ============ 响应式 ============ */
@media(max-width:1024px){
  .eco-grid{grid-template-columns:repeat(2,1fr)}
  .partner-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:880px){
  .nav-toggle{display:flex}
  .nav{
    position:fixed;top:var(--hdr-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:16px 20px 22px;
    background:rgba(6,10,22,.97);backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .25s ease, transform .25s ease;
  }
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{padding:13px 12px;font-size:15px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(10,89,247,.16)}
  .nav-cta{margin:10px 0 0;text-align:center;justify-content:center;padding:13px 20px}
  .section{padding:84px 0}
  .hero{min-height:auto;padding-bottom:0}
  .hero-inner{padding-bottom:60px}
  .hdr-right{gap:12px}
  .lang-btn{padding:5px 9px;font-size:12px}
}
@media(max-width:560px){
  .wrap{padding:0 20px}
  .hdr-inner{padding:0 20px}
  .hero-inner{padding:0 20px 46px}
  .hero-marquee{width:calc(100% - 40px)}
  .logo-text{font-size:14px}
  .logo-text i{font-size:9px;letter-spacing:.2em}
  .version-panel{padding:30px 22px}
  .eco-grid{grid-template-columns:1fr}
  .partner-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .contact-item{padding:22px 20px;gap:14px}
  .sec-head{margin-bottom:38px}
  .hero-actions{gap:12px}
  .btn-primary,.btn-ghost{padding:13px 24px;font-size:14.5px}
  .hero-title{letter-spacing:.02em}
  .cta-section{padding:88px 0}
}