/* ==========================================================================
   Jiangxi Shuimu Electromechanical Equipment Co., Ltd. — Corporate site
   Design system
   ========================================================================== */

:root{
  --ink:#0A1D3B;
  --ink-2:#16305C;
  --body:#5B6B82;
  --muted:#8494AB;
  --line:#E4E9F2;
  --line-2:#EEF2F8;
  --paper:#FFFFFF;
  --mist:#F4F7FC;
  --brand:#2B50D8;
  --brand-2:#5872F3;
  --brand-ink:#1B3AAE;
  --brand-soft:#E8EDFE;
  --amber:#F5A524;
  --ok:#12A150;

  --container:1200px;
  --radius:14px;
  --radius-sm:9px;
  --shadow-s:0 1px 2px rgba(10,29,59,.05), 0 2px 8px rgba(10,29,59,.05);
  --shadow-m:0 6px 24px rgba(10,29,59,.08);
  --shadow-l:0 18px 48px rgba(10,29,59,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:var(--header-offset,94px)}
body{
  margin:0;
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;color:var(--body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-wrap:anywhere;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-ink)}
h1,h2,h3,h4,h5{margin:0 0 .5em;color:var(--ink);font-weight:700;line-height:1.18;letter-spacing:-.022em}
h1{font-size:clamp(2.1rem,4.4vw,3.4rem);font-weight:800;letter-spacing:-.03em}
h2{font-size:clamp(1.6rem,2.6vw,2.2rem)}
h3{font-size:1.125rem;letter-spacing:-.012em}
h4{font-size:1rem}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
strong{color:var(--ink);font-weight:600}
::selection{background:var(--brand-soft);color:var(--brand-ink)}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding:96px 0}
.section--mist{background:var(--mist)}
.section--ink{background:var(--ink);color:rgba(255,255,255,.78)}
.section--ink h2,.section--ink h3,.section--ink h4{color:#fff}
.section--tight{padding:64px 0}
.center{text-align:center}

/* ---------- section heading ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);border-radius:2px}
.center .eyebrow::after{content:"";width:26px;height:2px;background:var(--brand);border-radius:2px}
.sec-head{max-width:760px;margin:0 auto 56px}
.sec-head p{font-size:1.0625rem;color:var(--body);margin-top:14px}
.sec-head--left{margin-left:0;text-align:left}
.lead{font-size:1.0625rem;line-height:1.85}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:var(--radius-sm);
  font-size:.94rem;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;white-space:normal;text-align:center;max-width:100%;min-width:0;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn svg{width:16px;height:16px;flex:none}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(43,80,216,.26)}
.btn--primary:hover{background:var(--brand-ink);color:#fff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(43,80,216,.34)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn--light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.34);backdrop-filter:blur(6px)}
.btn--light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px)}
.btn--sm{padding:10px 20px;font-size:.86rem}

/* ---------- top bar ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.72);font-size:.8125rem}
.topbar__in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:44px}
.topbar a{color:rgba(255,255,255,.86);display:inline-flex;align-items:center;gap:8px}
.topbar a:hover{color:#fff}
.topbar__l{display:flex;gap:26px;flex-wrap:wrap}
.topbar__r{display:flex;gap:16px;align-items:center}
.topbar svg{width:15px;height:15px;opacity:.82}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.92);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line-2);transition:box-shadow .25s var(--ease)}
.hdr.is-stuck{box-shadow:var(--shadow-m);border-bottom-color:transparent}
.hdr__in{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:78px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:800;letter-spacing:-.02em;min-width:0}
.brand:hover{color:var(--ink)}
.brand__logo{width:46px;height:46px;object-fit:contain;flex:none}
.brand__txt{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand__en{font-size:1.0625rem;font-weight:800;letter-spacing:-.028em}
.brand__zh{font-size:.6875rem;font-weight:600;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}

.nav{display:flex;align-items:center;gap:4px}
.nav a{
  padding:9px 14px;border-radius:8px;font-size:.9375rem;font-weight:600;color:var(--ink-2);
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav a:hover{background:var(--mist);color:var(--brand)}
.nav a.is-on{color:var(--brand);background:var(--brand-soft)}

.hdr__r{display:flex;align-items:center;gap:14px;flex-shrink:0}
.lang{position:relative}
.lang__btn{display:flex;align-items:center;gap:7px;background:none;border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:9px 12px;font:inherit;font-size:.85rem;font-weight:600;color:var(--ink-2);cursor:pointer;white-space:nowrap;transition:border-color .2s var(--ease)}
.lang__btn:hover{border-color:var(--brand);color:var(--brand)}
.lang__btn svg{width:14px;height:14px}
.lang__menu{position:absolute;top:calc(100% + 8px);right:0;min-width:180px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-l);padding:6px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .2s var(--ease);z-index:5;max-height:340px;overflow:auto}
.lang__menu.is-open{opacity:1;visibility:visible;transform:none}
.lang__menu a{display:block;padding:8px 12px;border-radius:6px;font-size:.875rem;color:var(--ink-2);font-weight:500}
.lang__menu a:hover{background:var(--mist);color:var(--brand)}
.lang__menu a.is-on{background:var(--brand-soft);color:var(--brand-ink);font-weight:700}
.burger{display:none;width:44px;height:44px;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:#fff;cursor:pointer;position:relative}
.burger span{position:absolute;left:12px;right:12px;height:2px;background:var(--ink);border-radius:2px;transition:.25s var(--ease)}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:21px}
.burger span:nth-child(3){top:27px}
.burger.is-on span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-on span:nth-child(2){opacity:0}
.burger.is-on span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.drawer{display:none;border-top:1px solid var(--line-2);background:#fff;padding:12px 0 22px}
.drawer.is-open{display:block}
.drawer a{display:block;padding:13px 4px;font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--line-2)}
.drawer .btn{margin-top:16px;width:100%}
.drawer .btn--primary{color:#fff}
.drawer__lang{display:flex;flex-wrap:wrap;gap:8px;padding:16px 0 2px}
.drawer__lang a{display:inline-block;padding:7px 14px;border:1.5px solid var(--line);border-radius:9px;font-size:.8125rem;font-weight:600;color:var(--ink-2);background:#fff}
.drawer__lang a.is-on{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:640px;display:flex;align-items:center;overflow:hidden;background:var(--ink)}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 45%}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,17,36,.94) 0%,rgba(8,24,52,.86) 42%,rgba(10,29,59,.42) 100%)}
.hero__in{position:relative;z-index:2;padding:96px 0 104px;max-width:720px}
.hero h1{color:#fff;margin-bottom:20px}
.hero h1 em{font-style:normal;color:#8FA6FF;display:block}
.hero__p{color:rgba(255,255,255,.76);font-size:1.125rem;line-height:1.8;max-width:600px;margin-bottom:34px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.hero__eyebrow{color:#8FA6FF;margin-bottom:20px}
.hero__eyebrow::before{background:#8FA6FF}
.hero__stats{display:flex;gap:44px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);padding-top:28px}
.hero__stat b{display:block;font-size:1.75rem;font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1.1}
.hero__stat span{font-size:.8125rem;color:rgba(255,255,255,.58);letter-spacing:.02em}

/* ---------- trust strip ---------- */
.trust{background:var(--paper);border-bottom:1px solid var(--line-2);padding:26px 0}
.trust__in{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.trust__item{display:flex;align-items:center;gap:11px;font-size:.875rem;font-weight:600;color:var(--ink-2)}
.trust__item svg{width:20px;height:20px;color:var(--brand);flex:none}
.trust__lbl{font-size:.75rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* ---------- grid + cards ---------- */
.grid{display:grid;gap:26px}
.grid>*,.split>*,.form__row>*,.ftr__grid>*{min-width:0}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-l);border-color:transparent}
.card__media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--mist)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card__media img{transform:scale(1.055)}
.card__tag{position:absolute;top:14px;left:14px;background:rgba(10,29,59,.86);color:#fff;font-size:.6875rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:6px 11px;border-radius:6px;backdrop-filter:blur(4px)}
.card__body{padding:24px;display:flex;flex-direction:column;flex:1}
.card__body h3{margin-bottom:9px}
.card__body p{font-size:.9375rem;line-height:1.7;margin-bottom:18px}
.card__more{margin-top:auto;font-size:.875rem;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:7px}
.card__more svg{width:15px;height:15px;transition:transform .25s var(--ease)}
.card:hover .card__more svg{transform:translateX(4px)}

/* ---------- features ---------- */
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.feat:hover{transform:translateY(-5px);box-shadow:var(--shadow-m)}
.feat__ico{width:52px;height:52px;border-radius:13px;background:var(--brand-soft);display:grid;place-items:center;margin-bottom:20px}
.feat__ico svg{width:25px;height:25px;color:var(--brand)}
.feat h3{margin-bottom:10px}
.feat p{font-size:.9375rem;line-height:1.72}

/* ---------- split / spotlight ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.split--contact{grid-template-columns:1.15fr 1fr;align-items:start}
.split--spec{grid-template-columns:1fr 1.15fr}
.split--rev .split__media{order:2}
.split__media img{border-radius:var(--radius);box-shadow:var(--shadow-m);width:100%}
.split__media--framed{padding:14px;background:#fff;border:1px solid var(--line)}
.split__media--framed img{border-radius:var(--radius-sm);box-shadow:none}
.ticks{margin:22px 0 28px}
.ticks li{display:flex;gap:13px;align-items:flex-start;margin-bottom:14px;font-size:.9688rem;line-height:1.65}
.ticks svg{width:20px;height:20px;color:var(--brand);flex:none;margin-top:2px}

/* ---------- spec table ---------- */
.spec{width:100%;table-layout:fixed;border-collapse:collapse;font-size:.9375rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec caption{text-align:left;font-size:.8125rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding-bottom:14px;caption-side:top}
.spec th,.spec td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line-2);overflow-wrap:anywhere}
.spec th{width:44%;color:var(--ink);font-weight:600;background:var(--mist)}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}

/* ---------- stats band ---------- */
.band{background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 100%);color:rgba(255,255,255,.76);padding:72px 0}
.band__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.band b{display:block;font-size:2.5rem;font-weight:800;color:#fff;letter-spacing:-.035em;line-height:1}
.band span{display:block;margin-top:10px;font-size:.875rem;letter-spacing:.04em}

/* ---------- gallery ---------- */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gal img{aspect-ratio:1/1;object-fit:cover;border-radius:var(--radius-sm);transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.gal a:hover img{transform:scale(1.035);box-shadow:var(--shadow-m)}

/* ---------- certificates ---------- */
.certs{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-align:center;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.cert:hover{transform:translateY(-5px);box-shadow:var(--shadow-m)}
.cert img{aspect-ratio:1/1;object-fit:contain;background:var(--mist);border-radius:var(--radius-sm);margin-bottom:14px}
.cert b{display:block;font-size:.875rem;color:var(--ink);font-weight:700}
.cert span{font-size:.75rem;color:var(--muted)}

/* ---------- quotes ---------- */
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px}
.quote__mark{font-size:2.75rem;line-height:.7;color:var(--brand-soft);font-weight:800;margin-bottom:10px}
.quote p{font-size:.9688rem;line-height:1.8;color:var(--ink-2)}
.quote footer{margin-top:18px;padding-top:16px;border-top:1px solid var(--line-2);font-size:.8125rem;color:var(--muted);font-weight:600;letter-spacing:.03em}

/* ---------- accordion (FAQ) ---------- */
.acc{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.acc+.acc{margin-top:12px}
.acc summary{list-style:none;cursor:pointer;padding:22px 60px 22px 24px;font-weight:600;color:var(--ink);font-size:1rem;position:relative;transition:background .2s var(--ease)}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"";position:absolute;right:24px;top:50%;width:11px;height:11px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:translateY(-70%) rotate(45deg);transition:transform .25s var(--ease)}
.acc[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.acc summary:hover{background:var(--mist)}
.acc__b{padding:0 24px 24px;font-size:.9375rem;line-height:1.8;color:var(--body)}

/* ---------- cta band ---------- */
.cta{background:linear-gradient(115deg,var(--brand) 0%,var(--brand-ink) 100%);border-radius:var(--radius);padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.08)}
.cta__t{position:relative;z-index:2}
.cta h2{color:#fff;margin-bottom:8px}
.cta p{color:rgba(255,255,255,.82);margin:0;font-size:1rem}
.cta .btn{position:relative;z-index:2;background:#fff;color:var(--brand-ink)}
.cta .btn:hover{background:var(--ink);color:#fff}

/* ---------- page hero (inner pages) ---------- */
.phero{position:relative;background:var(--ink);padding:88px 0 76px;overflow:hidden}
.phero__bg{position:absolute;inset:0;opacity:.28}
.phero__bg img{width:100%;height:100%;object-fit:cover}
.phero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(6,17,36,.92),rgba(10,29,59,.72))}
.phero__in{position:relative;z-index:2;max-width:780px}
.phero h1{color:#fff;margin-bottom:14px}
.phero p{color:rgba(255,255,255,.74);font-size:1.0625rem;max-width:640px;margin:0}
.crumb{font-size:.8125rem;color:rgba(255,255,255,.5);margin-bottom:16px;display:flex;gap:9px;align-items:center}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:#fff}

/* ---------- contact ---------- */
.form{display:grid;gap:16px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:.8125rem;font-weight:700;color:var(--ink-2);letter-spacing:.02em}
.field input,.field select,.field textarea{
  font:inherit;font-size:.9375rem;color:var(--ink);
  padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:#fff;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);width:100%;
}
.field textarea{min-height:128px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.field input::placeholder,.field textarea::placeholder{color:var(--muted)}
.note{font-size:.8125rem;color:var(--muted)}
.form__actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:4px}
.form__actions .btn{flex:1 1 auto;justify-content:center}
.form-error{color:#B42318;font-size:.875rem}
.form-error[hidden],[data-form-fallback][hidden]{display:none}
.field [aria-invalid="true"]{border-color:#B42318}
@media (max-width:560px){.form__actions{flex-direction:column;align-items:stretch}}

.info{display:grid;gap:14px}
.info__i{display:flex;gap:15px;align-items:flex-start;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.info__i svg{width:20px;height:20px;color:var(--brand);flex:none;margin-top:3px}
.info__i b{display:block;font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:5px}
.info__i span{font-size:.9375rem;color:var(--ink);font-weight:500;line-height:1.6;word-break:break-word}

/* ---------- footer ---------- */
.ftr{background:var(--ink);color:rgba(255,255,255,.62);padding:72px 0 0;font-size:.9375rem}
.ftr__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:44px;padding-bottom:52px}
.ftr h4{color:#fff;font-size:.8125rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:20px;font-weight:700}
.ftr a{color:rgba(255,255,255,.68)}
.ftr a:hover{color:#fff}
.ftr li{margin-bottom:11px}
.ftr__brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.ftr__brand img{width:44px;height:44px;object-fit:contain;background:#fff;border-radius:9px;padding:4px}
.ftr__brand b{color:#fff;font-size:1rem;font-weight:800;letter-spacing:-.02em;line-height:1.2;display:block}
.ftr__brand span{font-size:.75rem;color:rgba(255,255,255,.5);letter-spacing:.06em}
.ftr__bottom{border-top:1px solid rgba(255,255,255,.1);padding:24px 0;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.8125rem;color:rgba(255,255,255,.44)}
.ftr__social{display:flex;gap:10px}
.ftr__social a{width:36px;height:36px;border-radius:9px;background:rgba(255,255,255,.08);display:grid;place-items:center;transition:background .2s var(--ease)}
.ftr__social a:hover{background:var(--brand)}
.ftr__social svg{width:16px;height:16px;color:#fff}

/* ---------- floating actions ---------- */
.fab{position:fixed;right:22px;bottom:22px;z-index:80;display:flex;flex-direction:column;gap:11px}
.fab a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow-l);transition:transform .25s var(--ease),background .25s var(--ease);background:var(--brand)}
.fab a:hover{transform:translateY(-3px) scale(1.05)}
.fab a svg{width:25px;height:25px;color:#fff}
.fab a.fab--wa{background:#25D366}
.fab a.fab--mail{background:var(--ink-2)}

/* Content stays readable even when the interaction script does not load. */
[data-reveal]{opacity:1;transform:none}
[data-reveal].is-in{animation:content-enter .45s var(--ease)}
@keyframes content-enter{from{transform:translateY(10px)}to{transform:none}}
@media (prefers-reduced-motion:reduce){
  [data-reveal],[data-reveal].is-in{opacity:1;transform:none;transition:none;animation:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .split{gap:44px}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .certs{grid-template-columns:repeat(2,1fr)}
  .ftr__grid{grid-template-columns:1fr 1fr;gap:36px}
  .band__grid{grid-template-columns:repeat(2,1fr);gap:40px}
}
@media (max-width:1280px){
  .nav a{padding:9px 10px;font-size:.9rem}
  .hdr__in{gap:16px}
  .hdr__r{gap:10px}
}
@media (max-width:1100px){
  .nav,.hdr__r .lang,.hdr__r .btn{display:none}
  .burger{display:block}
  .brand{flex:1}
}
@media (max-width:900px){
  .nav,.hdr__r .lang,.hdr__r .btn{display:none}
  .burger{display:block}
  .hdr__r{gap:10px}
  .section{padding:72px 0}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .split--rev .split__media{order:0}
  .gal{grid-template-columns:repeat(2,1fr)}
  .hero{min-height:560px}
  .hero__in{padding:72px 0 80px}
  .topbar__l li:last-child{display:none}
}
@media (max-width:640px){
  .wrap{padding-inline:18px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .certs{grid-template-columns:1fr}
  .form__row{grid-template-columns:1fr}
  .cta{padding:36px 26px;border-radius:var(--radius-sm)}
  .topbar__in{justify-content:center}
  .topbar__r{display:none}
  .hero__stats{gap:26px}
  .hero__stat b{font-size:1.4rem}
  .section{padding:60px 0}
  .ftr__grid{grid-template-columns:1fr;gap:30px}
  .band__grid{grid-template-columns:1fr 1fr;gap:28px}
  .band b{font-size:2rem}
  .spec th,.spec td{padding:12px 14px;font-size:.875rem}
  .spec th{width:50%}
  .brand__logo{width:38px;height:38px}
  .brand__en{font-size:.9375rem}
  .brand__zh{font-size:.625rem}
  .fab a{width:48px;height:48px}
}
@media print{
  .hdr,.topbar,.fab,.drawer{display:none}
  body{font-size:12pt}
  [data-reveal],[data-reveal].is-in{opacity:1;transform:none;animation:none}
}

/* ============================================================
   2026-10-13 新增
   ① 底部常驻联系条（替换原右下角 .fab，WhatsApp + 邮箱始终可见）
   ② 首页留资表单卡片
   ③ 紧凑证书行（8 张大卡 → 一行小徽章）
   ④ 首页整体收紧（body.is-short）
   ============================================================ */

/* ---- ① 底部常驻联系条 ---- */
.contactbar{position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--ink);border-top:1px solid rgba(255,255,255,.14);padding:10px 0 calc(10px + env(safe-area-inset-bottom));box-shadow:0 -10px 30px rgba(10,29,59,.22)}
.contactbar__in{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.contactbar__t{display:flex;align-items:center;gap:9px;color:rgba(255,255,255,.74);font-size:.875rem}
.contactbar__t svg{width:16px;height:16px;color:#25D366;flex:0 0 auto}
.contactbar__b{display:flex;gap:10px;flex-wrap:wrap}
.cbtn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:8px 18px;border-radius:99px;font-size:.875rem;font-weight:600;text-decoration:none;text-align:center;min-width:0;transition:transform .25s var(--ease),filter .25s var(--ease)}
.cbtn:hover{transform:translateY(-2px)}
.cbtn svg{width:17px;height:17px;flex:0 0 auto}
.cbtn--wa{background:#25D366;color:#fff}
.cbtn--mail{background:#fff;color:var(--ink)}
body.has-contactbar{padding-bottom:calc(74px + env(safe-area-inset-bottom))}

/* ---- ② 首页留资表单卡片 ---- */
.formcard{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-m);padding:30px 32px;max-width:800px;margin:0 auto}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:.8125rem;color:var(--body);line-height:1.5}
.consent input{margin-top:2px;flex:0 0 auto;width:16px;height:16px;accent-color:var(--brand)}
.formnote{font-size:.8125rem;color:var(--ok);min-height:20px;font-weight:500}
.formacts{display:flex;gap:12px;flex-wrap:wrap}
.formacts .btn{flex:0 1 auto}
.fhint{font-size:.8125rem;color:var(--muted);text-align:center;margin:0}
.fhint a{color:var(--brand);font-weight:600}

/* ---- ③ 紧凑证书行 ---- */
.certmini{display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));gap:12px}
.certmini a{display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 8px;text-align:center;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.certmini a:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.certmini img{width:100%;height:66px;object-fit:contain;display:block}
.certmini b{display:block;font-size:.6875rem;font-weight:600;color:var(--ink);margin-top:7px;line-height:1.3}
.certmini span{display:block;font-size:.625rem;color:var(--muted);margin-top:2px;line-height:1.3}

/* ---- ④ 首页整体收紧 ---- */
body.is-short .section{padding:72px 0}
body.is-short .sec-head{margin-bottom:40px}

@media (max-width:700px){
  body.is-short .section{padding:56px 0}
  .formcard{padding:22px 18px;border-radius:var(--radius-sm)}
  .certmini{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contactbar__t{display:none}
  .contactbar__in{justify-content:center}
  .contactbar__b{width:100%}
  .cbtn{flex:1 1 0}
  .formacts .btn{flex:1 1 100%}
  body.has-contactbar{padding-bottom:calc(68px + env(safe-area-inset-bottom))}
}
/* Longer translations must not make the fixed bar cover the footer on tablets. */
@media (max-width:900px){
  .contactbar__t{display:none}
  .contactbar__in{justify-content:center}
}
@media print{
  .contactbar{display:none}
  body.has-contactbar{padding-bottom:0}
}