/* ==========================================================================
   GRNOE — Design System
   橙色主色 + 深色工业底 | PC / 平板 / 手机三档自适应
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root{
  /* brand */
  --brand:#E08A33;
  --brand-600:#C87322;
  --brand-700:#A85D18;
  --brand-300:#F0A961;
  --brand-100:#FBE6D0;
  --brand-glow:rgba(224,138,51,.32);

  /* neutrals — industrial dark */
  --ink-900:#0C0F12;
  --ink-800:#111417;
  --ink-700:#181C21;
  --ink-600:#20252B;
  --ink-500:#2C333B;
  --ink-400:#3C444E;
  --line:#2A3138;
  --line-soft:#E4E7EA;

  /* light surfaces */
  --paper:#FFFFFF;
  --paper-2:#F6F7F8;
  --paper-3:#EDEFF1;

  /* text */
  --tx-hi:#F5F6F7;
  --tx-mid:#B4BCC4;
  --tx-low:#7C868F;
  --tx-dark:#14181C;
  --tx-dark-2:#4A535C;

  /* semantic */
  --ok:#3FA96A;
  --warn:#D9A441;

  /* layout */
  --wrap:1240px;
  --wrap-narrow:900px;
  --gut:24px;
  --nav-h:72px;
  --nav-h-sm:60px;

  /* radius / shadow */
  --r-xs:4px; --r-sm:8px; --r:12px; --r-lg:18px; --r-xl:28px;
  --sh-1:0 1px 2px rgba(12,15,18,.08), 0 4px 14px rgba(12,15,18,.06);
  --sh-2:0 8px 28px rgba(12,15,18,.12);
  --sh-3:0 18px 60px rgba(12,15,18,.20);
  --sh-brand:0 10px 30px rgba(224,138,51,.28);

  /* type */
  --ff:"Inter","Manrope","Noto Sans","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --ff-num:"Inter",system-ui,sans-serif;

  --t-xs:.75rem; --t-sm:.875rem; --t-base:1rem; --t-md:1.0625rem;
  --t-lg:1.25rem; --t-xl:1.5rem; --t-2xl:2rem; --t-3xl:2.5rem; --t-4xl:3.25rem;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px)}
body{
  margin:0;font-family:var(--ff);font-size:var(--t-base);line-height:1.65;
  color:var(--tx-dark);background:var(--paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video,iframe{max-width:100%;display:block}
img{height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0 0 .5em;line-height:1.2;font-weight:800;letter-spacing:-.015em}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.15em}
table{border-collapse:collapse;width:100%}
hr{border:0;border-top:1px solid var(--line-soft);margin:2.5rem 0}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:var(--r-xs)}
::selection{background:var(--brand);color:#fff}

/* ---------- 3. Layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
.wrap-narrow{max-width:var(--wrap-narrow)}
.section{padding:88px 0}
.section-sm{padding:56px 0}
.section-lg{padding:112px 0}
.dark{background:var(--ink-800);color:var(--tx-hi)}
.dark h1,.dark h2,.dark h3,.dark h4{color:#fff}
.darker{background:var(--ink-900);color:var(--tx-hi)}
.tint{background:var(--paper-2)}
.grid{display:grid;gap:28px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-6{grid-template-columns:repeat(6,1fr)}
.flex{display:flex}
.center{text-align:center}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.stack>*+*{margin-top:1rem}

/* ---------- 4. Typography helpers ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.55em;
  font-size:var(--t-xs);font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);border-radius:2px}
.dark .eyebrow{color:var(--brand-300)}
.dark .eyebrow::before{background:var(--brand-300)}

.h-display{font-size:clamp(2rem,5.2vw,var(--t-4xl));font-weight:900;letter-spacing:-.03em;line-height:1.08}
.h1{font-size:clamp(1.9rem,4.4vw,var(--t-3xl))}
.h2{font-size:clamp(1.6rem,3.4vw,var(--t-2xl))}
.h3{font-size:var(--t-xl)}
.lede{font-size:var(--t-md);color:var(--tx-dark-2);max-width:70ch}
.dark .lede{color:var(--tx-mid)}
.muted{color:var(--tx-low)}
.hl{color:var(--brand)}
.section-head{max-width:74ch;margin-bottom:44px}
.section-head.center{margin-inline:auto}

/* ---------- 5. Buttons ---------- */
.btn{
  --bg:var(--brand);--fg:#fff;--bd:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  padding:14px 26px;border-radius:var(--r-sm);border:1.5px solid var(--bd);
  background:var(--bg);color:var(--fg);
  font-weight:700;font-size:var(--t-sm);letter-spacing:.01em;
  cursor:pointer;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s,border-color .18s,color .18s;
  text-align:center;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh-brand)}
.btn:active{transform:translateY(0)}
.btn--ghost{--bg:transparent;--fg:var(--brand);--bd:var(--brand)}
.btn--ghost:hover{--bg:var(--brand);--fg:#fff}
.btn--light{--bg:#fff;--fg:var(--tx-dark);--bd:#fff}
.btn--outline-light{--bg:transparent;--fg:#fff;--bd:rgba(255,255,255,.45)}
.btn--outline-light:hover{--bg:#fff;--fg:var(--tx-dark);--bd:#fff;box-shadow:var(--sh-2)}
.btn--lg{padding:17px 34px;font-size:var(--t-base)}
.btn--block{width:100%}
.btn__arrow{transition:transform .2s var(--ease)}
.btn:hover .btn__arrow{transform:translateX(4px)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

.link-arrow{display:inline-flex;align-items:center;gap:.4em;color:var(--brand);font-weight:700;font-size:var(--t-sm)}
.link-arrow:hover{gap:.7em}
.link-arrow svg{transition:transform .2s var(--ease)}

/* ---------- 6. Header / Nav ---------- */
.hdr{
  position:sticky;top:0;z-index:900;
  background:rgba(12,15,18,.92);backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.hdr__bar{display:flex;align-items:center;gap:20px;height:var(--nav-h)}
.hdr__logo{display:flex;align-items:center;flex:0 0 auto}
.hdr__logo img{height:26px;width:auto}
.nav{display:flex;align-items:center;gap:2px;margin-left:14px;flex:1 1 auto}
.nav__item{position:relative}
.nav__link{
  display:flex;align-items:center;gap:.35em;
  padding:10px 13px;border-radius:var(--r-sm);
  color:var(--tx-mid);font-weight:600;font-size:.9rem;white-space:nowrap;
  transition:color .16s,background .16s;
}
.nav__link:hover,.nav__item:hover>.nav__link,.nav__link[aria-current]{color:#fff;background:rgba(255,255,255,.07)}
.nav__link .caret{width:9px;height:9px;transition:transform .2s var(--ease);opacity:.7}
.nav__item:hover .caret{transform:rotate(180deg)}

.drop{
  position:absolute;top:calc(100% + 6px);left:0;min-width:290px;
  background:#fff;border-radius:var(--r);box-shadow:var(--sh-3);
  padding:10px;opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
  border:1px solid var(--line-soft);
}
.nav__item:hover .drop,.nav__item:focus-within .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop a{display:block;padding:11px 14px;border-radius:var(--r-sm);color:var(--tx-dark);font-weight:600;font-size:.9rem}
.drop a small{display:block;font-weight:500;font-size:.78rem;color:var(--tx-low);margin-top:2px}
.drop a:hover{background:var(--brand-100);color:var(--brand-700)}

.hdr__side{display:flex;align-items:center;gap:10px;flex:0 0 auto}

/* language switcher */
.lang{position:relative}
.lang__btn{
  display:flex;align-items:center;gap:.4em;padding:9px 12px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  color:#fff;font-weight:700;font-size:.8rem;cursor:pointer;
}
.lang__btn:hover{background:rgba(255,255,255,.16)}
.lang__menu{
  position:absolute;right:0;top:calc(100% + 6px);min-width:150px;background:#fff;
  border-radius:var(--r);box-shadow:var(--sh-3);padding:8px;border:1px solid var(--line-soft);
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .18s var(--ease);z-index:20;
}
.lang:hover .lang__menu,.lang:focus-within .lang__menu,.lang__menu.open{opacity:1;visibility:visible;transform:translateY(0)}
.lang__menu a{display:flex;align-items:center;gap:.5em;padding:9px 12px;border-radius:var(--r-sm);color:var(--tx-dark);font-weight:600;font-size:.85rem}
.lang__menu a:hover{background:var(--paper-2)}
.lang__menu a[aria-current]{color:var(--brand);background:var(--brand-100)}

/* burger */
.burger{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);border-radius:var(--r-sm);cursor:pointer;padding:0;place-items:center}
.burger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;position:relative;transition:.2s var(--ease)}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;border-radius:2px;transition:.2s var(--ease)}
.burger span::before{top:-6px}.burger span::after{top:6px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.burger[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* mobile drawer */
.drawer{
  position:fixed;inset:var(--nav-h-sm) 0 0 0;z-index:890;background:var(--ink-900);
  transform:translateX(100%);transition:transform .28s var(--ease);
  overflow-y:auto;padding:18px var(--gut) 40px;display:none;
}
.drawer.open{transform:translateX(0)}
.drawer__group{border-bottom:1px solid rgba(255,255,255,.09)}
.drawer__top{
  display:flex;justify-content:space-between;align-items:center;width:100%;
  padding:16px 2px;background:none;border:0;color:#fff;font-weight:700;font-size:1.02rem;cursor:pointer;text-align:left;
}
.drawer__top .caret{width:11px;height:11px;transition:transform .2s var(--ease);opacity:.65}
.drawer__top[aria-expanded="true"] .caret{transform:rotate(180deg)}
.drawer__sub{display:none;padding:0 0 14px 2px}
.drawer__sub.open{display:block}
.drawer__sub a{display:block;padding:11px 12px;border-radius:var(--r-sm);color:var(--tx-mid);font-weight:600;font-size:.94rem}
.drawer__sub a:hover{background:rgba(255,255,255,.06);color:#fff}
.drawer__cta{margin-top:26px;display:grid;gap:12px}
.drawer__langs{display:flex;gap:8px;margin-top:22px}
.drawer__langs a{flex:1;text-align:center;padding:11px;border:1px solid rgba(255,255,255,.16);border-radius:var(--r-sm);color:var(--tx-mid);font-weight:700;font-size:.85rem}
.drawer__langs a[aria-current]{background:var(--brand);border-color:var(--brand);color:#fff}
body.nav-open{overflow:hidden}

/* ---------- 7. Hero ---------- */
.hero{position:relative;background:var(--ink-900);color:#fff;overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(1100px 620px at 78% 12%,var(--brand-glow),transparent 62%),
    linear-gradient(100deg,rgba(12,15,18,.97) 8%,rgba(12,15,18,.78) 48%,rgba(12,15,18,.42) 100%);
}
.hero__inner{padding:96px 0 88px;max-width:830px}
.hero h1{font-size:clamp(2.1rem,5.4vw,3.5rem);font-weight:900;letter-spacing:-.03em;line-height:1.06;margin-bottom:20px}
.hero__sub{font-size:clamp(1rem,1.7vw,1.2rem);color:#D7DDE3;max-width:62ch;margin-bottom:32px}
.hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.chip{
  display:inline-flex;align-items:center;gap:.45em;
  padding:7px 14px;border-radius:999px;font-size:.8rem;font-weight:700;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#EDF1F4;
}
.chip--brand{background:var(--brand-glow);border-color:rgba(224,138,51,.5);color:#FFD9B4}

/* page hero (inner pages) */
.phero{position:relative;background:var(--ink-900);color:#fff;overflow:hidden;isolation:isolate}
.phero__bg{position:absolute;inset:0;z-index:-2}
.phero__bg img{width:100%;height:100%;object-fit:cover;opacity:.34}
.phero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(900px 460px at 84% 0%,var(--brand-glow),transparent 60%),linear-gradient(95deg,rgba(12,15,18,.96),rgba(12,15,18,.62))}
.phero__inner{padding:64px 0 60px;max-width:78ch}
.phero h1{font-size:clamp(1.8rem,4vw,2.75rem);margin-bottom:14px}
.phero p{color:#CFD6DC;font-size:var(--t-md);margin:0;max-width:66ch}

/* breadcrumbs */
.crumbs{display:flex;flex-wrap:wrap;gap:.45em;font-size:.8rem;color:var(--tx-low);padding:14px 0}
.crumbs a{color:var(--tx-low)}
.crumbs a:hover{color:var(--brand)}
.crumbs span[aria-current]{color:var(--tx-dark-2)}
.phero .crumbs,.phero .crumbs a{color:rgba(255,255,255,.6)}
.phero .crumbs a:hover{color:var(--brand-300)}
.phero .crumbs span[aria-current]{color:rgba(255,255,255,.9)}

/* ---------- 8. Stat bar ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--ink-700)}
.stat{padding:30px 24px;border-right:1px solid var(--line);text-align:center}
.stat:last-child{border-right:0}
.stat__n{font-family:var(--ff-num);font-size:clamp(1.9rem,3.6vw,2.7rem);font-weight:900;color:var(--brand);line-height:1;letter-spacing:-.03em}
.stat__n sup{font-size:.5em;font-weight:800;margin-left:.1em}
.stat__l{margin-top:9px;font-size:.82rem;font-weight:700;color:#fff;letter-spacing:.01em}
.stat__d{margin-top:4px;font-size:.76rem;color:var(--tx-low);line-height:1.45}
.stats--light{background:#fff;border-color:var(--line-soft)}
.stats--light .stat{border-color:var(--line-soft)}
.stats--light .stat__l{color:var(--tx-dark)}
.stats--light .stat__d{color:var(--tx-dark-2)}

/* ---------- 9. Cards ---------- */
.card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8DCE0}
.card__media{position:relative;aspect-ratio:4/3;background:var(--paper-3);overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.card:hover .card__media img{transform:scale(1.05)}
.card__media--contain{background:linear-gradient(160deg,#1A1E23,#0E1114)}
.card__media--contain img{object-fit:contain;padding:10px}
.card__body{padding:22px;display:flex;flex-direction:column;flex:1}
.card__kicker{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);margin-bottom:8px}
.card h3{font-size:1.05rem;margin-bottom:8px;letter-spacing:-.01em}
.card p{font-size:.9rem;color:var(--tx-dark-2);margin-bottom:14px}
.card__foot{margin-top:auto;padding-top:6px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.card__tag{position:absolute;top:12px;left:12px;padding:5px 11px;border-radius:999px;background:var(--brand);color:#fff;font-size:.7rem;font-weight:800;letter-spacing:.03em;z-index:2}
.card__tag--dark{background:rgba(12,15,18,.8);backdrop-filter:blur(6px)}

/* feature / icon card */
.fcard{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:28px;height:100%;transition:.2s var(--ease)}
.fcard:hover{border-color:var(--brand);box-shadow:var(--sh-1);transform:translateY(-3px)}
.fcard__ico{width:52px;height:52px;display:grid;place-items:center;border-radius:var(--r);background:var(--brand-100);color:var(--brand-700);margin-bottom:18px}
.fcard__ico svg{width:26px;height:26px}
.fcard h3{font-size:1.05rem;margin-bottom:9px}
.fcard p{font-size:.9rem;color:var(--tx-dark-2);margin:0}
.dark .fcard{background:var(--ink-700);border-color:var(--line)}
.dark .fcard:hover{border-color:var(--brand)}
.dark .fcard__ico{background:rgba(224,138,51,.16);color:var(--brand-300)}
.dark .fcard p{color:var(--tx-mid)}

/* numbered step */
.steps{counter-reset:s;display:grid;gap:22px}
.step{position:relative;padding:26px 26px 26px 76px;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg)}
.step::before{
  counter-increment:s;content:counter(s,decimal-leading-zero);
  position:absolute;left:26px;top:24px;
  font-family:var(--ff-num);font-size:1.5rem;font-weight:900;color:var(--brand);letter-spacing:-.04em;
}
.step h3{font-size:1rem;margin-bottom:6px}
.step p{font-size:.88rem;color:var(--tx-dark-2);margin:0}
.dark .step{background:var(--ink-700);border-color:var(--line)}
.dark .step p{color:var(--tx-mid)}

/* ---------- 10. Video block ---------- */
.video-block{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--ink-900);aspect-ratio:16/9;box-shadow:var(--sh-3)}
.video-block img.video-poster{width:100%;height:100%;object-fit:cover;opacity:.66}
.video-block iframe,.video-block video{position:absolute;inset:0;width:100%;height:100%;border:0;object-fit:cover}
.video-block__ov{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:16px;text-align:center;padding:24px;
  background:linear-gradient(0deg,rgba(12,15,18,.72),rgba(12,15,18,.28))}
.video-play{
  width:78px;height:78px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;
  background:var(--brand);color:#fff;box-shadow:0 0 0 0 var(--brand-glow);
  animation:pulse 2.6s infinite;transition:transform .2s var(--ease)
}
.video-play:hover{transform:scale(1.08)}
.video-play svg{width:26px;height:26px;margin-left:3px}
@keyframes pulse{0%{box-shadow:0 0 0 0 var(--brand-glow)}70%{box-shadow:0 0 0 22px rgba(224,138,51,0)}100%{box-shadow:0 0 0 0 rgba(224,138,51,0)}}
.video-block__cap{color:#fff;font-weight:700;font-size:1rem;max-width:34ch}
.video-block__note{color:rgba(255,255,255,.66);font-size:.8rem;font-weight:600;letter-spacing:.02em}
.video-block[data-state="playing"] .video-block__ov,.video-block[data-state="playing"] .video-poster{display:none}
@media (prefers-reduced-motion:reduce){.video-play{animation:none}}

.video-strip{display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center}

/* ---------- 11. Spec table ---------- */
.spec{border:1px solid var(--line-soft);border-radius:var(--r);overflow:hidden;background:#fff}
.spec table{font-size:.9rem}
.spec caption{text-align:left;padding:16px 20px;font-weight:800;background:var(--ink-800);color:#fff;font-size:.95rem}
.spec th,.spec td{padding:13px 20px;border-bottom:1px solid var(--line-soft);vertical-align:top;text-align:left}
.spec tbody tr:last-child th,.spec tbody tr:last-child td{border-bottom:0}
.spec th{width:42%;font-weight:600;color:var(--tx-dark-2);background:var(--paper-2)}
.spec td{font-weight:600;color:var(--tx-dark)}
.spec tbody tr:hover th{background:var(--brand-100);color:var(--brand-700)}

/* comparison table (category pages) */
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line-soft);border-radius:var(--r)}
.tbl{font-size:.86rem;min-width:720px;background:#fff}
.tbl th,.tbl td{padding:13px 16px;border-bottom:1px solid var(--line-soft);text-align:left;white-space:nowrap}
.tbl thead th{background:var(--ink-800);color:#fff;font-weight:700;font-size:.8rem;letter-spacing:.02em;position:sticky;top:0}
.tbl tbody tr:hover{background:var(--paper-2)}
.tbl td a{color:var(--brand);font-weight:700}
.tbl .num{font-family:var(--ff-num);font-variant-numeric:tabular-nums}

/* ---------- 12. Gallery ---------- */
.gallery{display:grid;grid-template-columns:96px 1fr;gap:16px}
.gallery__thumbs{display:flex;flex-direction:column;gap:10px;max-height:520px;overflow-y:auto;padding-right:4px}
.gallery__thumbs button{
  border:2px solid var(--line-soft);border-radius:var(--r-sm);overflow:hidden;background:#0E1114;cursor:pointer;padding:0;aspect-ratio:1;flex:0 0 auto
}
.gallery__thumbs button[aria-selected="true"]{border-color:var(--brand)}
.gallery__thumbs img{width:100%;height:100%;object-fit:cover}
.gallery__stage{position:relative;border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;background:#0E1114;aspect-ratio:1}
.gallery__stage img{width:100%;height:100%;object-fit:contain}

.aplus{display:grid;gap:16px}
.aplus img{width:100%;border-radius:var(--r);border:1px solid var(--line-soft)}

/* ---------- 13. Forms ---------- */
.form{display:grid;gap:16px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:7px}
.field label{font-size:.82rem;font-weight:700;color:var(--tx-dark)}
.field .req{color:var(--brand)}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid #D6DADE;border-radius:var(--r-sm);
  background:#fff;font-size:.92rem;transition:border-color .16s,box-shadow .16s;
}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 4px rgba(224,138,51,.14)}
.field__hint{font-size:.76rem;color:var(--tx-low)}
.form-note{font-size:.78rem;color:var(--tx-low)}
.dark .field label{color:#fff}
.dark .field input,.dark .field select,.dark .field textarea{background:var(--ink-600);border-color:var(--ink-400);color:#fff}
.dark .field input::placeholder,.dark .field textarea::placeholder{color:var(--tx-low)}
.dark .form-note,.dark .field__hint{color:var(--tx-low)}

.form-card{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-xl);padding:36px;box-shadow:var(--sh-1)}
.dark .form-card{background:var(--ink-700);border-color:var(--line)}

/* ---------- 14. CTA band ---------- */
.cta{position:relative;background:var(--ink-900);color:#fff;overflow:hidden;isolation:isolate}
.cta::after{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(760px 400px at 12% 108%,var(--brand-glow),transparent 60%),radial-gradient(620px 340px at 88% -8%,rgba(224,138,51,.22),transparent 58%)}
.cta__inner{display:grid;grid-template-columns:1.25fr auto;gap:36px;align-items:center;padding:64px 0}
.cta h2{font-size:clamp(1.5rem,3vw,2.05rem);margin-bottom:10px}
.cta p{color:#C9D0D7;margin:0;max-width:60ch}

/* ---------- 15. Contact rail / floating CTA ---------- */
.rail{position:fixed;right:16px;bottom:16px;z-index:850;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.rail__btn{
  display:inline-flex;align-items:center;gap:.55em;padding:13px 20px;border-radius:999px;
  background:var(--brand);color:#fff;font-weight:800;font-size:.86rem;box-shadow:var(--sh-brand);
  border:0;cursor:pointer;transition:transform .18s var(--ease)
}
.rail__btn:hover{transform:translateY(-2px)}
.rail__btn svg{width:18px;height:18px}
.rail__mini{display:flex;gap:8px}
.rail__ico{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--tx-dark);box-shadow:var(--sh-2);border:1px solid var(--line-soft)}
.rail__ico:hover{color:var(--brand);border-color:var(--brand)}
.rail__ico svg{width:21px;height:21px}

/* ---------- 16. Logo wall / certs ---------- */
.logowall{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.logowall__i{aspect-ratio:16/9;display:grid;place-items:center;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r);padding:16px;font-weight:800;color:var(--tx-dark-2);font-size:.8rem;letter-spacing:.02em;text-align:center}
.dark .logowall__i{background:var(--ink-700);border-color:var(--line);color:var(--tx-mid)}
.certgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.cert{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r);padding:20px 14px;text-align:center;transition:.2s var(--ease)}
.cert:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--sh-1)}
.cert__n{font-weight:900;color:var(--tx-dark);font-size:.98rem;letter-spacing:.02em}
.cert__d{font-size:.74rem;color:var(--tx-low);margin-top:5px;line-height:1.4}
.dark .cert{background:var(--ink-700);border-color:var(--line)}
.dark .cert__n{color:#fff}

/* ---------- 17. Map / global layout ---------- */
.mapwrap{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-soft);background:#fff}
.mapwrap img{width:100%}
.map-legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;font-size:.82rem;font-weight:600;color:var(--tx-dark-2)}
.map-legend i{width:11px;height:11px;border-radius:50%;display:inline-block;margin-right:.45em;vertical-align:middle}

/* ---------- 18. FAQ / accordion ---------- */
.acc{border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;background:#fff}
.acc__i+.acc__i{border-top:1px solid var(--line-soft)}
.acc__q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-weight:700;font-size:.98rem;color:var(--tx-dark);
}
.acc__q:hover{color:var(--brand)}
.acc__q .pm{flex:0 0 auto;width:22px;height:22px;position:relative}
.acc__q .pm::before,.acc__q .pm::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:.2s var(--ease)}
.acc__q .pm::before{left:0;top:10px;width:22px;height:2px}
.acc__q .pm::after{left:10px;top:0;width:2px;height:22px}
.acc__q[aria-expanded="true"] .pm::after{transform:rotate(90deg);opacity:0}
.acc__a{display:none;padding:0 24px 22px;font-size:.92rem;color:var(--tx-dark-2);max-width:78ch}
.acc__a.open{display:block}
.acc__a p:last-child{margin-bottom:0}

/* ---------- 19. Article / prose ---------- */
.prose{max-width:74ch;font-size:1.02rem}
.prose h2{font-size:1.5rem;margin-top:2em}
.prose h3{font-size:1.15rem;margin-top:1.6em}
.prose ul{padding-left:1.3em}
.prose li{margin-bottom:.45em}
.prose blockquote{margin:1.6em 0;padding:18px 24px;border-left:4px solid var(--brand);background:var(--paper-2);border-radius:0 var(--r) var(--r) 0;font-size:1rem}
.prose img{border-radius:var(--r);margin:1.6em 0}
.checklist{list-style:none;padding:0}
.checklist li{position:relative;padding-left:32px;margin-bottom:12px;font-size:.94rem}
.checklist li::before{
  content:"";position:absolute;left:0;top:4px;width:19px;height:19px;border-radius:50%;
  background:var(--brand-100) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23A85D18' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/12px no-repeat;
}
.dark .checklist li::before{background-color:rgba(224,138,51,.2)}

/* ---------- 20. Footer ---------- */
.ftr{background:var(--ink-900);color:var(--tx-mid);padding-top:64px;font-size:.88rem}
.ftr__grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:40px;padding-bottom:44px}
.ftr__logo img{height:24px;margin-bottom:16px}
.ftr h4{color:#fff;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px;font-weight:800}
.ftr ul{list-style:none;padding:0;margin:0}
.ftr li{margin-bottom:10px}
.ftr a:hover{color:var(--brand-300)}
.ftr__about{max-width:42ch;line-height:1.7}
.ftr__contact li{display:flex;gap:.6em;align-items:flex-start}
.ftr__contact svg{width:16px;height:16px;flex:0 0 auto;margin-top:4px;color:var(--brand)}
.ftr__bottom{border-top:1px solid rgba(255,255,255,.09);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--tx-low)}
.ftr__social{display:flex;gap:10px}
.ftr__social a{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12)}
.ftr__social a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.ftr__social svg{width:17px;height:17px}

/* ---------- 21. Utilities ---------- */
.todo{background:#FFF6E8;border:1px dashed var(--brand);color:var(--brand-700);padding:2px 8px;border-radius:var(--r-xs);font-size:.82rem;font-weight:700;font-family:var(--ff-num)}
.dark .todo{background:rgba(224,138,51,.14);color:var(--brand-300)}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;z-index:1000;background:var(--brand);color:#fff;padding:12px 20px;font-weight:700;border-radius:0 0 var(--r-sm) 0}
.skip:focus{left:0}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- 22. Responsive ---------- */
@media (max-width:1180px){
  .nav__link{padding:10px 10px;font-size:.85rem}
  .logowall{grid-template-columns:repeat(4,1fr)}
  .certgrid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:1024px){
  :root{--gut:20px}
  .section{padding:68px 0}.section-lg{padding:84px 0}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .g-6{grid-template-columns:repeat(3,1fr)}
  .video-strip{grid-template-columns:1fr;gap:28px}
  .cta__inner{grid-template-columns:1fr;gap:24px;padding:52px 0}
  .ftr__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  :root{--nav-h:var(--nav-h-sm)}
  .nav{display:none}
  .hdr__side .btn{display:none}
  .burger{display:grid}
  .drawer{display:block}
  .hdr__logo img{height:22px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:nth-child(odd){border-right:1px solid var(--line)}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .stats--light .stat{border-color:var(--line-soft)}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .hero__inner{padding:66px 0 60px}
  .gallery{grid-template-columns:1fr}
  .gallery__thumbs{flex-direction:row;max-height:none;overflow-x:auto;overflow-y:hidden;padding-bottom:6px}
  .gallery__thumbs button{width:78px}
}
@media (max-width:680px){
  :root{--gut:16px}
  .section{padding:52px 0}.section-sm{padding:38px 0}.section-lg{padding:64px 0}
  .grid{gap:18px}
  .g-2,.g-3,.g-4,.g-6{grid-template-columns:1fr}
  .logowall{grid-template-columns:repeat(3,1fr)}
  .certgrid{grid-template-columns:repeat(2,1fr)}
  .form__row{grid-template-columns:1fr}
  .form-card{padding:24px}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .btn-row .btn{width:100%}
  .rail__btn span{display:none}
  .rail__btn{padding:15px;border-radius:50%}
  .ftr__grid{grid-template-columns:1fr}
  .spec th{width:50%}
  .spec th,.spec td{padding:11px 14px;font-size:.85rem}
  .step{padding:22px 20px 22px 20px}
  .step::before{position:static;display:block;margin-bottom:8px}
  .hero__inner{padding:52px 0 48px}
  .video-play{width:62px;height:62px}
  .ftr__bottom{flex-direction:column;align-items:flex-start}
}
@media print{
  .hdr,.rail,.drawer,.cta,.video-block{display:none!important}
  body{color:#000;background:#fff}
  .dark,.darker{background:#fff!important;color:#000!important}
}