/* ==========================================================================
   甲壳虫adb助手 · 内容专题站 主样式
   设计基调：开发工具 / 专业科技感（深蓝 + 灰 + 橙）
   ========================================================================== */

:root{
  --navy:#0E2A4A;
  --navy-2:#13395F;
  --navy-3:#0A1E36;
  --orange:#FF6A2B;
  --orange-d:#E8511A;
  --cyan:#12B5C9;
  --bg:#F4F7FB;
  --bg-soft:#EAF0F8;
  --card:#FFFFFF;
  --text:#152A42;
  --muted:#5C7288;
  --line:#E3EAF3;
  --line-2:#D3DEEC;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 8px 26px rgba(14,42,74,.08);
  --shadow-lg:0 18px 46px rgba(14,42,74,.16);
  --max:1180px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"Cascadia Mono","JetBrains Mono",Consolas,"Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--navy-2);text-decoration:none;transition:color .2s}
a:hover{color:var(--orange)}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.35;font-weight:800;color:var(--navy);letter-spacing:.2px}
h1{font-size:2.05rem}
h2{font-size:1.62rem}
h3{font-size:1.2rem}
h4{font-size:1.03rem}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
  font-weight:700;font-size:15px;line-height:1;
  padding:14px 26px;border-radius:999px;border:0;cursor:pointer;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease;
  font-family:inherit;
}
.btn i{font-size:15px}
.btn-primary{background:linear-gradient(135deg,var(--orange),#FF8A4B);color:#fff;box-shadow:0 10px 24px rgba(255,106,43,.34)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,106,43,.44)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.34)}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-outline{background:#fff;color:var(--navy);border:1px solid var(--line-2)}
.btn-outline:hover{color:var(--orange);border-color:var(--orange)}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-sm{padding:10px 18px;font-size:13.5px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand img{width:40px;height:40px;border-radius:11px;box-shadow:0 4px 12px rgba(14,42,74,.22)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17.5px;font-weight:800;color:var(--navy);letter-spacing:.3px}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:2.4px;text-transform:uppercase}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.main-nav a{
  padding:9px 14px;border-radius:9px;font-size:15px;font-weight:600;color:#31465C;
}
.main-nav a:hover{background:var(--bg-soft);color:var(--navy)}
.main-nav a.active{color:var(--navy);background:var(--bg-soft)}
.header-cta{margin-left:8px}
.nav-toggle{
  display:none;margin-left:auto;background:none;border:0;cursor:pointer;
  font-size:22px;color:var(--navy);padding:6px 8px;border-radius:8px;
}
.nav-toggle:hover{background:var(--bg-soft)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:radial-gradient(1100px 520px at 78% -10%,#1B4E80 0%,rgba(27,78,128,0) 62%),
             linear-gradient(160deg,#0F2C4C 0%,#0A1E36 100%);
  color:#E8F0FA;
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(circle at 60% 30%,#000 0%,transparent 78%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;
  padding:66px 0 74px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(18,181,201,.16);border:1px solid rgba(18,181,201,.42);
  color:#8FE3EE;font-size:13px;font-weight:700;
  padding:7px 15px;border-radius:999px;margin-bottom:20px;
}
.hero h1{color:#fff;font-size:2.85rem;font-weight:900;margin-bottom:16px;letter-spacing:.6px}
.hero h1 .hl{color:var(--orange)}
.hero-sub{font-size:1.06rem;color:#BFD3E8;max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:26px}
.hero-trust{display:flex;flex-wrap:wrap;gap:26px}
.hero-trust .t{display:flex;flex-direction:column}
.hero-trust .t b{font-size:1.42rem;color:#fff;font-weight:900}
.hero-trust .t span{font-size:12.5px;color:#9DB6CE}

/* phone mockup */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:420px}
.phone{
  position:relative;width:246px;border-radius:30px;padding:9px;
  background:linear-gradient(160deg,#22456E,#0B2138);
  box-shadow:0 30px 60px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.09) inset;
}
.phone img{width:100%;height:auto;border-radius:22px;background:#fff}
.phone.p2{position:absolute;width:196px;right:0;bottom:0;opacity:.97;box-shadow:0 24px 48px rgba(0,0,0,.5)}
.phone.p1{margin-right:16px}
.float-tag{
  position:absolute;background:#fff;color:var(--navy);font-size:12.5px;font-weight:700;
  padding:8px 13px;border-radius:11px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:7px;
}
.float-tag i{color:var(--orange)}
.ft-1{top:26px;left:-6px;animation:floaty 5s ease-in-out infinite}
.ft-2{bottom:70px;left:-20px;animation:floaty 6s ease-in-out .6s infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- Section basics ---------- */
.section{padding:66px 0}
.section-alt{background:var(--bg-soft)}
.section-dark{background:linear-gradient(160deg,#0F2C4C,#0A1E36);color:#D7E4F2}
.section-head{max-width:760px;margin:0 auto 40px;text-align:center}
.section-head.left{margin-left:0;text-align:left}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2.6px;
  text-transform:uppercase;color:var(--orange);margin-bottom:12px;
}
.section-dark .eyebrow{color:#7FE0EC}
.section-head h2{font-size:1.85rem}
.section-dark h2,.section-dark h3{color:#fff}
.section-head p{color:var(--muted);font-size:1.02rem;margin:0}
.section-dark .section-head p{color:#A9C1D8}

/* ---------- Cards / grid ---------- */
.grid{display:grid;gap:22px}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#CFE0F2}
.card .ci{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:16px;color:#fff;
  background:linear-gradient(135deg,var(--navy-2),var(--navy));
}
.card .ci.o{background:linear-gradient(135deg,var(--orange),#FF9256)}
.card .ci.c{background:linear-gradient(135deg,#14A7BC,#31C9DA)}
.card .ci.g{background:linear-gradient(135deg,#1E7A5A,#2AA97B)}
.card h3{margin-bottom:9px;font-size:1.12rem}
.card p{color:var(--muted);font-size:.95rem;margin:0}
.card .tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:7px}
.tag{font-size:12px;color:#33526F;background:var(--bg-soft);border:1px solid var(--line-2);padding:3px 10px;border-radius:999px}

/* feature list variant */
.feature-row{display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start}
.feature-row .ci{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:23px;background:linear-gradient(135deg,var(--navy-2),var(--navy))}
.feature-row h3{margin-bottom:6px}
.feature-row p{color:var(--muted);margin:0;font-size:.95rem}

/* ---------- Screenshot gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.shot{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:12px;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;
}
.shot:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.shot .frame{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fff}
.shot img{width:100%;height:auto;display:block}
.shot .cap{padding:12px 4px 3px;text-align:center}
.shot .cap b{display:block;font-size:14.5px;color:var(--navy)}
.shot .cap span{font-size:12.5px;color:var(--muted)}

/* ---------- Steps ---------- */
.steps{counter-reset:step;display:grid;gap:20px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px 24px 84px;box-shadow:var(--shadow);
}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:24px;top:22px;
  font-family:var(--mono);font-size:20px;font-weight:700;color:#fff;
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--orange),#FF9256);box-shadow:0 6px 16px rgba(255,106,43,.32);
}
.step h3{margin-bottom:7px;font-size:1.1rem}
.step p{color:var(--muted);margin:0 0 .5em;font-size:.95rem}
.step p:last-child{margin-bottom:0}
.step code{background:#0F2C4C;color:#7FE0EC;font-family:var(--mono);font-size:12.8px;padding:2px 7px;border-radius:6px}

/* inline code block */
.codeblock{
  background:#0C2138;border:1px solid #1C3A5C;border-radius:12px;
  padding:16px 18px;font-family:var(--mono);font-size:13.2px;color:#C9E4F5;
  overflow-x:auto;line-height:1.7;margin:0 0 1em;
}
.codeblock .cmt{color:#6E8DA8}
.codeblock .cmd{color:#8FE3EE}

/* ---------- Split content ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.split.rev .split-media{order:2}
.split-media .phone-single{width:270px;margin:0 auto}
.media-card{
  background:linear-gradient(160deg,#12324F,#0A1E36);border-radius:22px;padding:26px;
  border:1px solid #1C3A5C;box-shadow:var(--shadow-lg);
}

/* ---------- Checklist ---------- */
.check{list-style:none;display:grid;gap:12px}
.check li{position:relative;padding-left:32px;color:#2A4058}
.check li i{position:absolute;left:0;top:3px;color:var(--orange);font-size:16px}
.section-dark .check li{color:#C6D8EA}

/* ---------- Stats band ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 16px;box-shadow:var(--shadow)}
.stat b{display:block;font-size:2rem;font-weight:900;color:var(--navy);line-height:1.1}
.stat b em{font-style:normal;color:var(--orange)}
.stat span{font-size:13.5px;color:var(--muted)}
.section-dark .stat{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14)}
.section-dark .stat b{color:#fff}
.section-dark .stat span{color:#A9C1D8}

/* ---------- FAQ accordion ---------- */
.faq{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.faq-q{
  width:100%;text-align:left;background:none;border:0;cursor:pointer;
  padding:19px 22px;font-size:1.02rem;font-weight:700;color:var(--navy);
  display:flex;align-items:center;gap:14px;font-family:inherit;
}
.faq-q .qmark{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;background:var(--bg-soft);color:var(--orange);
  display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:13px;font-weight:700;
}
.faq-q .chev{margin-left:auto;color:var(--muted);transition:transform .25s;font-size:15px}
.faq-item.open .faq-q .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a .inner{padding:0 22px 20px 62px;color:var(--muted);font-size:.95rem}
.faq-a .inner p:last-child{margin-bottom:0}
.faq-a .inner strong{color:var(--navy)}

/* ---------- Testimonials ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.quote .stars{color:#FFA72B;font-size:13px;margin-bottom:12px;letter-spacing:2px}
.quote p{font-size:.95rem;color:#2A4058;flex:1}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line-2)}
.quote .av{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px;background:linear-gradient(135deg,var(--navy-2),var(--navy))}
.quote .who b{display:block;font-size:14px;color:var(--navy)}
.quote .who span{font-size:12.5px;color:var(--muted)}

/* ---------- Deep-content entry cards ---------- */
.entry{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow);display:block}
.entry::after{content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;border-radius:50%;background:linear-gradient(135deg,rgba(255,106,43,.14),rgba(18,181,201,.12))}
.entry .ci{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:21px;background:linear-gradient(135deg,var(--navy-2),var(--navy));margin-bottom:15px}
.entry h3{font-size:1.14rem;margin-bottom:8px}
.entry p{color:var(--muted);font-size:.94rem;margin:0 0 14px}
.entry .more{font-size:14px;font-weight:700;color:var(--orange);display:inline-flex;align-items:center;gap:7px}
.entry:hover h3{color:var(--orange)}

/* ---------- Download band ---------- */
.dl-band{
  background:linear-gradient(135deg,#123A63,#0A1E36);border-radius:24px;padding:46px 40px;
  color:#E4EEF9;display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:center;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.dl-band::before{content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,43,.28),transparent 70%)}
.dl-band h2{color:#fff;margin-bottom:10px}
.dl-band p{color:#B7CBE0;margin:0}
.dl-band .dl-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;position:relative;z-index:2}
.dl-meta{font-size:12.5px;color:#9DB6CE;display:flex;gap:16px;flex-wrap:wrap}
.dl-meta i{color:#7FE0EC}

/* ---------- Breadcrumb ---------- */
.crumb{background:#fff;border-bottom:1px solid var(--line)}
.crumb .wrap{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted);padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--orange)}
.crumb i{font-size:11px;color:#A9BACC}

/* ---------- Page hero (inner) ---------- */
.page-hero{
  background:radial-gradient(900px 420px at 80% -20%,#1B4E80 0%,rgba(27,78,128,0) 60%),
             linear-gradient(160deg,#0F2C4C,#0A1E36);
  color:#E8F0FA;padding:52px 0 56px;position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;opacity:.45;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:42px 42px;mask-image:radial-gradient(circle at 70% 20%,#000,transparent 75%);
}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{color:#fff;font-size:2.2rem;margin-bottom:12px}
.page-hero p{color:#B7CBE0;max-width:780px;margin:0}

/* article prose */
.prose{max-width:860px}
.prose h2{margin-top:1.5em;padding-bottom:.4em;border-bottom:2px solid var(--line);font-size:1.5rem}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:1.3em;color:var(--navy-2)}
.prose p{color:#31465C}
.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.3em}
.prose li{margin-bottom:.5em;color:#31465C}
.prose strong{color:var(--navy)}
.notice{
  background:#FFF6EF;border:1px solid #FFD9BC;border-left:4px solid var(--orange);
  border-radius:10px;padding:16px 20px;margin:0 0 1.2em;font-size:.95rem;color:#7A4A28;
}
.notice b{color:#C2410C}
.tip{background:#EEF7FF;border:1px solid #CFE6FA;border-left:4px solid var(--cyan);border-radius:10px;padding:16px 20px;margin:0 0 1.2em;font-size:.95rem;color:#245269}
.tip b{color:#0E6E80}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff;margin:0 0 1.3em}
table{width:100%;border-collapse:collapse;font-size:.93rem;min-width:520px}
table th,table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
table th{background:var(--bg-soft);color:var(--navy);font-weight:700;font-size:.9rem}
table tr:last-child td{border-bottom:0}
table td:first-child{font-weight:700;color:var(--navy)}

/* toc */
.toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 24px;box-shadow:var(--shadow);margin-bottom:34px}
.toc h3{margin-bottom:12px;font-size:1.02rem}
.toc ol{padding-left:1.2em;margin:0}
.toc li{margin-bottom:7px}
.toc a{color:#31465C;font-size:.94rem}
.toc a:hover{color:var(--orange)}

/* related links */
.related{background:var(--bg-soft);border-radius:16px;padding:26px 28px;margin-top:40px;border:1px solid var(--line-2)}
.related h3{font-size:1.06rem;margin-bottom:14px}
.related .rlist{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.related a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 17px;font-size:.92rem;font-weight:600;color:var(--navy-2);display:flex;gap:10px;align-items:flex-start}
.related a i{color:var(--orange);margin-top:4px}
.related a:hover{border-color:var(--orange);color:var(--orange)}

/* ---------- Footer ---------- */
.site-footer{background:#0A1E36;color:#9FB6CD;padding:56px 0 0;font-size:14px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.09)}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand img{width:42px;height:42px;border-radius:11px}
.footer-brand b{color:#fff;font-size:17px;font-weight:800}
.footer-brand span{display:block;font-size:11px;color:#7E97AF;letter-spacing:2px;text-transform:uppercase}
.footer-about p{color:#90A8BF;font-size:13.6px;margin:0 0 16px;line-height:1.8}
.footer-links{list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#A9C1D8;font-size:13.8px}
.footer-links a:hover{color:var(--orange)}
.footer-note{font-size:13px;color:#8AA2B9;line-height:1.8}
.disclaimer{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;
  padding:16px 20px;margin-top:26px;font-size:13px;color:#93AAC1;line-height:1.8;
}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:13px;color:#7E97AF;
}
.footer-bottom a{color:#A9C1D8}
.footer-bottom a:hover{color:var(--orange)}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;
  background:var(--navy);color:#fff;font-size:17px;box-shadow:var(--shadow-lg);z-index:70;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:.25s;
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--orange)}

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;
  background:rgba(6,18,32,.9);padding:30px;
  opacity:0;visibility:hidden;transition:.25s;
}
.lightbox.show{opacity:1;visibility:visible}
.lightbox img{max-width:min(520px,86vw);max-height:88vh;border-radius:16px;box-shadow:0 30px 70px rgba(0,0,0,.6);transform:scale(.96);transition:transform .25s}
.lightbox.show img{transform:scale(1)}
.lb-close{
  position:absolute;top:22px;right:26px;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.25);
  font-size:26px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.lb-close:hover{background:var(--orange);border-color:var(--orange)}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .g-4{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .hero h1{font-size:2.35rem}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:920px){
  .main-nav{
    position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:10px 16px 18px;gap:2px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    display:none;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px}
  .nav-toggle{display:block}
  .header-cta{display:none}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:46px 0 56px}
  .hero-visual{min-height:380px}
  .split{grid-template-columns:1fr;gap:30px}
  .split.rev .split-media{order:0}
  .g-3{grid-template-columns:1fr}
  .quotes{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .dl-band{grid-template-columns:1fr;padding:34px 26px}
  .related .rlist{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:15.5px}
  h1{font-size:1.7rem}
  .hero h1{font-size:1.92rem}
  .page-hero h1{font-size:1.6rem}
  h2{font-size:1.4rem}
  .section{padding:48px 0}
  .g-4,.g-2{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr);gap:16px}
  .step{padding:22px 20px 22px 20px}
  .step::before{position:static;display:inline-flex;margin-bottom:12px}
  .stats{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr}
  .faq-a .inner{padding-left:22px}
  .hero-trust{gap:18px}
  .phone{width:210px}
  .phone.p2{width:160px}
  .float-tag{font-size:11.5px;padding:6px 10px}
  .ft-2{left:-4px}
}