/* ==========================================================================
   SH-ACL 上海埃锡尔数控机床有限公司 · site.css
   纯 CSS · 移动优先 · 断点 ≥640 / ≥1024 / ≥1280 · 零外部资源
   ========================================================================== */

/* === Tokens === */
:root{
  --c-ink:#231916;
  --c-brand:#EA9928;
  --c-brand-dark:#D0761D;
  /* 白底橙色文字：#D0761D 在白底仅约 3.3:1，正文链接取更深的 #9A5410（白底约 5.8:1，#F6F5F3 上约 5.3:1） */
  --c-brand-text:#9A5410;
  --c-steel:#3F3B3A;
  --c-gray-50:#F6F5F3;
  --c-gray-100:#ECEAE6;
  --c-gray-400:#8A8580;   /* 只用于边框/装饰（白底约 3.6:1，不用于正文） */
  --c-muted:#5F5A56;      /* 次要文字（白底约 6.8:1） */
  --c-white:#fff;
  --c-success:#1F7A3A;
  --c-success-bg:#EEF7F0;
  --c-error:#B42318;
  --c-error-bg:#FEF3F2;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif;
  --radius:6px;
  --radius-lg:8px;
  --gutter:16px;
  --hh:60px;
  --maxw:1200px;
  --shadow-sm:0 1px 2px rgba(35,25,22,.06);
  --shadow-md:0 10px 24px rgba(35,25,22,.12);
  --ease:cubic-bezier(.2,.6,.2,1);
}
@media (min-width:640px){:root{--gutter:24px}}
@media (min-width:1024px){:root{--hh:72px}}

/* === Reset & Base === */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;overflow-x:clip;scroll-behavior:smooth}
body{margin:0;overflow-x:clip;display:flex;flex-direction:column;min-height:100vh;font-family:var(--font);font-size:1rem;line-height:1.7;color:var(--c-ink);background:var(--c-white);-webkit-font-smoothing:antialiased;overflow-wrap:break-word}
.site-main{display:block;flex:1 0 auto}
img,svg,video,canvas,picture,iframe{max-width:100%}
img,video{height:auto}
img{vertical-align:middle;border-style:none}
h1,h2,h3,h4,h5,h6{margin:0 0 .6em;font-weight:700;line-height:1.3;color:inherit}
h1{font-size:clamp(1.75rem,1.2rem + 2.4vw,2.75rem)}
h2{font-size:clamp(1.375rem,1.1rem + 1.2vw,2rem)}
h3{font-size:clamp(1.125rem,1rem + .5vw,1.375rem)}
h4{font-size:1rem}
p,ul,ol,dl,figure,blockquote{margin:0 0 1em}
a{color:var(--c-brand-text);text-decoration-thickness:1px;text-underline-offset:.18em}
a:hover{color:var(--c-ink)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
table{border-collapse:collapse}
hr{border:0;border-top:1px solid var(--c-gray-100);margin:2em 0}
[hidden]{display:none!important}
::selection{background:var(--c-brand);color:var(--c-ink)}
:focus-visible{outline:2px solid var(--c-brand-dark);outline-offset:2px}
[id]{scroll-margin-top:calc(var(--hh) + 16px)}

/* === Layout === */
.container{width:100%;max-width:calc(var(--maxw) + var(--gutter) * 2);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding:48px 0}
.section--alt{background:var(--c-gray-50)}
.section--dark{background:var(--c-ink);color:rgba(255,255,255,.86)}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}
.section--dark a:not(.btn){color:var(--c-brand)}
.section--dark a:not(.btn):hover{color:#fff}
.section > .container > h2:first-child{margin-bottom:.8em}

.grid{display:grid;grid-template-columns:minmax(0,1fr);gap:20px}
.grid > *,.form-grid > *,.split > *,.site-footer__grid > *,.gallery > *,.stats > *,.enquiry > *{min-width:0}
:is(.grid,.gallery,.split,.stats,.faq,.table-wrap,.feature-list,.post-list,.cta-band):not(:last-child){margin-bottom:2rem}

@media (min-width:640px){
  .section{padding:56px 0}
  .grid{gap:24px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .section{padding:72px 0}
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (min-width:1280px){
  .section{padding:88px 0}
  .grid{gap:28px}
}

/* === Skip link === */
.skip-link{position:absolute;top:8px;left:8px;z-index:1000;padding:10px 16px;background:var(--c-ink);color:#fff;font-weight:700;text-decoration:none;border-radius:var(--radius);transform:translateY(-200%);transition:transform .15s}
.skip-link:focus,.skip-link:focus-visible{transform:none;color:#fff;outline:2px solid var(--c-brand);outline-offset:2px}

/* === Header === */
.site-header{position:sticky;top:0;z-index:100;background:var(--c-white);border-bottom:1px solid var(--c-gray-100)}
.site-header__inner{display:flex;align-items:center;gap:8px;height:calc(var(--hh) - 1px)}
.site-logo{display:inline-flex;align-items:center;flex:none;min-height:44px;margin-right:auto}
.site-logo img{display:block;width:auto;height:32px}
.site-header__tel{display:inline-flex;align-items:center;gap:6px;min-width:0;min-height:44px;padding:0 4px;overflow:hidden;white-space:nowrap;font-size:.9375rem;line-height:1.2;color:var(--c-ink);text-decoration:none;border-radius:var(--radius)}
.site-header__tel strong{font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.site-header__tel-label{display:none;font-size:.8125rem;color:var(--c-muted)}
.site-header__tel:hover{color:var(--c-ink)}
.site-header__tel:hover strong{color:var(--c-brand-text)}
@media (max-width:359.98px){.site-header__tel{display:none}}
@media (min-width:640px){
  .site-logo img{height:36px}
  .site-header__tel-label{display:inline}
}

/* Burger */
.nav-burger{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;flex:none;width:44px;height:44px;padding:0;background:transparent;border:0;border-radius:var(--radius);color:var(--c-ink);-webkit-tap-highlight-color:transparent}
.nav-burger:hover{background:var(--c-gray-50)}
.nav-burger span{display:block;width:22px;height:2px;background:currentColor;border-radius:1px;transition:transform .2s var(--ease),opacity .2s}
:is(.site-header.is-open .nav-burger,.nav-burger[aria-expanded="true"]) span:nth-child(1){transform:translateY(6px) rotate(45deg)}
:is(.site-header.is-open .nav-burger,.nav-burger[aria-expanded="true"]) span:nth-child(2){opacity:0}
:is(.site-header.is-open .nav-burger,.nav-burger[aria-expanded="true"]) span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* === Navigation · mobile (≤1023px) === */
.site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--c-white);border-top:1px solid var(--c-gray-100);box-shadow:0 12px 24px rgba(35,25,22,.14);max-height:calc(100vh - var(--hh));max-height:calc(100dvh - var(--hh));overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.site-header.is-open .site-nav,.site-nav.is-open{display:block}
.nav__list,.nav__sub,.nav__subsub{list-style:none;margin:0;padding:0}
.nav__item{display:flex;flex-wrap:wrap;align-items:center;border-bottom:1px solid var(--c-gray-100)}
.nav__link{display:flex;align-items:center;flex:1 1 0;min-width:0;min-height:52px;padding:0 var(--gutter);font-weight:600;color:var(--c-ink);text-decoration:none;-webkit-tap-highlight-color:transparent}
.nav__link:hover{color:var(--c-brand-text)}
.nav__item.is-active > .nav__link{color:var(--c-brand-text);box-shadow:inset 3px 0 0 var(--c-brand)}
.nav__toggle{display:grid;place-items:center;flex:none;width:44px;height:44px;margin-right:8px;padding:0;background:transparent;border:0;border-radius:var(--radius);color:var(--c-ink)}
.nav__toggle:hover{background:var(--c-gray-100)}
.nav__toggle span{display:block;width:9px;height:9px;border:solid currentColor;border-width:0 2px 2px 0;transform:translateY(-2px) rotate(45deg);transition:transform .2s var(--ease)}
.nav__item.is-open > .nav__toggle span,.nav__toggle[aria-expanded="true"] span{transform:translateY(2px) rotate(-135deg)}
.nav__panel{display:none;flex:0 0 100%;width:100%;background:var(--c-gray-50);border-top:1px solid var(--c-gray-100);padding:4px 0 8px}
.nav__item.is-open > .nav__panel{display:block}
.nav__sublink{display:flex;align-items:center;min-height:44px;padding:6px var(--gutter) 6px calc(var(--gutter) + 12px);font-size:.9375rem;font-weight:600;line-height:1.45;color:var(--c-ink);text-decoration:none}
.nav__sublink:hover{color:var(--c-brand-text)}
.nav__subsub{margin-bottom:4px}
.nav__subsub a{display:flex;align-items:center;min-height:44px;padding:6px var(--gutter) 6px calc(var(--gutter) + 28px);font-size:.875rem;line-height:1.45;color:var(--c-steel);text-decoration:none}
.nav__subsub a:hover{color:var(--c-brand-text)}
.nav__item--cta{padding:16px var(--gutter);border-bottom:0}
.nav__cta{width:100%}

/* === Navigation · desktop (≥1024px) === */
@media (min-width:1024px){
  .site-header__inner{gap:16px}
  .site-logo img{height:40px}
  .nav-burger{display:none}
  .site-nav,.site-header.is-open .site-nav,.site-nav.is-open{display:flex;align-self:stretch;position:static;max-height:none;overflow:visible;background:none;border:0;box-shadow:none}
  .nav__list{display:flex;align-items:stretch;gap:2px}
  .nav__item{position:relative;flex-wrap:nowrap;border:0}
  .nav__link{flex:none;min-height:44px;padding:0 11px;font-size:.9375rem;white-space:nowrap;border-radius:var(--radius)}
  .nav__item.is-active > .nav__link{box-shadow:inset 0 -2px 0 var(--c-brand)}
  .has-sub > .nav__link::after{content:"";width:6px;height:6px;margin:-3px 0 0 7px;border:solid currentColor;border-width:0 1.5px 1.5px 0;transform:rotate(45deg)}
  .nav__toggle{display:none}
  .nav__panel{position:absolute;top:100%;left:0;z-index:10;width:auto;min-width:260px;padding:8px;background:var(--c-white);border:1px solid var(--c-gray-100);border-top:3px solid var(--c-brand);border-radius:0 0 var(--radius-lg) var(--radius-lg);box-shadow:var(--shadow-md)}
  .has-sub:hover > .nav__panel,.has-sub:focus-within > .nav__panel{display:block}
  .nav__sublink{display:block;min-height:0;padding:9px 12px;font-weight:500;border-radius:4px}
  .nav__sublink:hover{background:var(--c-gray-50)}
  /* 产品中心：宽幅下拉，按分类分栏，型号多列 */
  .nav__panel:is(#sub-product,:has(.nav__subsub)){position:fixed;top:calc(var(--hh) - 1px);left:50%;transform:translateX(-50%);width:min(var(--maxw),calc(100vw - 48px));max-height:calc(100vh - var(--hh));overflow-y:auto;padding:24px 28px}
  .nav__panel:is(#sub-product,:has(.nav__subsub)) .nav__sub{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1.3fr);gap:16px 32px}
  .nav__sub > *{min-width:0}
  .nav__panel:is(#sub-product,:has(.nav__subsub)) .nav__sublink{margin-bottom:8px;padding:6px 0 10px;font-size:1rem;font-weight:700;border-bottom:1px solid var(--c-gray-100);border-radius:0}
  .nav__panel:is(#sub-product,:has(.nav__subsub)) .nav__sublink:hover{background:none}
  .nav__subsub{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:2px 16px;margin:0}
  .nav__subsub a{display:block;min-height:0;padding:6px 8px;font-size:.875rem;border-radius:4px}
  .nav__subsub a:hover{background:var(--c-gray-50)}
  .nav__item--cta{display:flex;align-items:center;margin-left:8px;padding:0}
  .nav__cta{width:auto;padding:8px 18px;font-size:.9375rem;white-space:nowrap}
  .site-header__tel{order:3;flex-direction:column;align-items:flex-start;justify-content:center;gap:2px;margin-left:4px;padding:0 0 0 16px;border-left:1px solid var(--c-gray-100);border-radius:0}
  .site-header__tel-label{font-size:.75rem}
  .site-header__tel strong{font-size:1.0625rem}
}
@media (min-width:1280px){
  .site-header__inner{gap:24px}
  .nav__link{padding:0 15px}
  .nav__list{gap:4px}
}

/* === Breadcrumb === */
.breadcrumb{background:var(--c-gray-50);border-bottom:1px solid var(--c-gray-100);font-size:.875rem;line-height:1.5}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:2px 0;margin:0;padding:10px 0;list-style:none}
.breadcrumb li{display:inline-flex;align-items:center;min-width:0;overflow-wrap:anywhere}
.breadcrumb li + li::before{content:"/";content:"/" / "";margin:0 8px;color:var(--c-gray-400)}
.breadcrumb a{color:var(--c-steel);text-decoration:none}
.breadcrumb a:hover{color:var(--c-brand-text);text-decoration:underline}
.breadcrumb [aria-current]{color:var(--c-muted)}

/* === Page hero === */
.page-hero{background:var(--c-ink);color:#fff;padding:36px 0 40px;box-shadow:inset 0 -4px 0 var(--c-brand)}
.page-hero__title{margin:0;font-size:clamp(1.5rem,1.05rem + 2.2vw,2.5rem);font-weight:800;line-height:1.3;color:#fff}
.page-hero__lead{max-width:46rem;margin:12px 0 0;font-size:clamp(1rem,.95rem + .3vw,1.125rem);line-height:1.7;color:rgba(255,255,255,.84)}
.page-hero a:not(.btn){color:#fff}
.page-hero .post-meta{margin:12px 0 0;color:rgba(255,255,255,.8)}
@media (min-width:1024px){.page-hero{padding:56px 0 60px}}

/* === Home hero === */
.hero{position:relative;isolation:isolate;display:flex;align-items:flex-end;min-height:62vh;min-height:62svh;overflow:hidden;background:var(--c-ink);color:#fff}
.hero__media{position:absolute;inset:0;z-index:-1;margin:0}
.hero__media img,.hero__media picture{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(35,25,22,.6) 0%,rgba(35,25,22,.78) 45%,rgba(35,25,22,.9) 100%)}
.hero > .container{position:relative;z-index:1;width:100%}
.hero__content{position:relative;z-index:1;max-width:40rem;padding-block:48px 40px;text-shadow:0 1px 2px rgba(0,0,0,.25)}
.hero__content.container{max-width:calc(var(--maxw) + var(--gutter) * 2)}
.hero__content.container > *{max-width:40rem}
.hero__title{margin:0 0 .5em;font-size:clamp(1.75rem,1.2rem + 2.8vw,3.25rem);font-weight:800;line-height:1.25;color:#fff}
.hero__lead{margin:0;font-size:clamp(1rem,.9rem + .5vw,1.25rem);line-height:1.75;color:rgba(255,255,255,.92)}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;text-shadow:none}
.hero a:not(.btn){color:#fff}
@media (min-width:1024px){
  .hero{align-items:center;min-height:78vh;min-height:78svh}
  .hero__media::after{background:linear-gradient(90deg,rgba(35,25,22,.88) 0%,rgba(35,25,22,.75) 55%,rgba(35,25,22,.35) 85%,rgba(35,25,22,.2) 100%)}
  .hero__content{padding-block:80px}
  .hero__actions{margin-top:32px}
}

/* === Buttons === */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 22px;font-size:1rem;font-weight:700;line-height:1.25;text-align:center;text-decoration:none;background:var(--c-ink);color:#fff;border:2px solid var(--c-ink);border-radius:var(--radius);cursor:pointer;-webkit-tap-highlight-color:transparent;transition:background-color .15s,color .15s,border-color .15s,transform .15s}
.btn:hover{background:var(--c-steel);border-color:var(--c-steel);color:#fff}
.btn:active{transform:translateY(1px)}
/* 橙底用深色文字；悬停 #D0761D 上白字仅 3.3:1 不达标，保持 --c-ink（约 5.1:1） */
.btn--primary{background:var(--c-brand);border-color:var(--c-brand);color:var(--c-ink)}
.btn--primary:hover,.btn--primary:active{background:var(--c-brand-dark);border-color:var(--c-brand-dark);color:var(--c-ink)}
.btn--ghost{background:transparent;border-color:var(--c-ink);color:var(--c-ink)}
.btn--ghost:hover{background:var(--c-ink);border-color:var(--c-ink);color:#fff}
:is(.hero,.page-hero,.section--dark,.cta-band) .btn:not(.btn--ghost):not(.btn--primary){background:var(--c-brand);border-color:var(--c-brand);color:var(--c-ink)}
:is(.hero,.page-hero,.section--dark,.cta-band) .btn--ghost{color:#fff;border-color:rgba(255,255,255,.75)}
:is(.hero,.page-hero,.section--dark,.cta-band) .btn--ghost:hover{background:#fff;border-color:#fff;color:var(--c-ink)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none}

/* === Card === */
.card{position:relative;display:flex;flex-direction:column;height:100%;overflow:hidden;background:var(--c-white);color:var(--c-ink);border:1px solid var(--c-gray-100);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card__media{display:block;position:relative;width:100%;aspect-ratio:4/3;margin:0;overflow:hidden;background:var(--c-gray-100)}
.card__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
img.card__media{height:auto;object-fit:cover}
.card__media--contain{background:var(--c-gray-50)}
.card__media--contain img,img.card__media--contain{object-fit:contain;padding:12px}
.card__body{display:flex;flex-direction:column;align-items:flex-start;flex:1 1 auto;padding:18px 20px 16px}
.card__title{margin:0 0 .4em;font-size:1.125rem;line-height:1.45}
.card__title a{color:var(--c-ink);text-decoration:none}
.card__title a:hover{color:var(--c-brand-text);text-decoration:underline}
.card__text{margin:0 0 .5em;font-size:.9375rem;line-height:1.7;color:var(--c-muted)}
.card__link{display:inline-flex;align-items:center;gap:8px;min-height:44px;margin-top:auto;padding-top:8px;font-weight:700;color:var(--c-brand-text);text-decoration:none}
.card__link::after{content:"";width:6px;height:6px;border:solid currentColor;border-width:2px 2px 0 0;transform:rotate(45deg)}
.card__link:hover{color:var(--c-ink);text-decoration:underline}
@media (hover:hover){.card:hover{border-color:#DAD6D0;box-shadow:var(--shadow-md)}}
@media (hover:hover) and (prefers-reduced-motion:no-preference){
  .card{transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s}
  .card:hover{transform:translateY(-3px)}
}

/* === Stats === */
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px;margin:0;padding:28px 20px;list-style:none;background:var(--c-ink);color:#fff;border-radius:var(--radius-lg)}
.section--dark .stats{background:none;padding:0;border-radius:0}
.stat{padding:8px;text-align:center}
.stat__num{display:block;font-size:clamp(1.875rem,1.3rem + 2.6vw,3.25rem);font-weight:800;line-height:1.1;letter-spacing:-.01em;color:var(--c-brand);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.stat__label{display:block;margin-top:8px;font-size:.9375rem;line-height:1.5;color:rgba(255,255,255,.82)}
@media (min-width:1024px){
  .stats{grid-template-columns:repeat(4,minmax(0,1fr));padding:40px 24px}
  .stat + .stat{border-left:1px solid rgba(255,255,255,.14)}
}

/* === Split === */
.split{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;align-items:center}
.split__media{margin:0}
.split__media img{display:block;width:100%;border-radius:var(--radius)}
.split__body > :last-child{margin-bottom:0}
@media (min-width:1024px){
  .split{grid-template-columns:repeat(2,minmax(0,1fr));gap:48px}
  .split--reverse .split__media{order:2}
}

/* === Prose === */
.prose{font-size:1rem;line-height:1.8}
.prose > :first-child{margin-top:0}
.prose > :last-child{margin-bottom:0}
.prose p{margin:0 0 1.1em}
.prose h2{margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--c-brand);font-size:clamp(1.3rem,1.1rem + .9vw,1.6rem);line-height:1.4}
.prose h3{margin:1.6em 0 .6em;font-size:clamp(1.1rem,1rem + .4vw,1.25rem);line-height:1.45}
.prose h4{margin:1.4em 0 .5em}
.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.6em}
.prose li{margin:.35em 0}
.prose ul > li::marker{color:var(--c-brand-dark)}
.prose ol > li::marker{color:var(--c-brand-text);font-weight:700}
.prose a{overflow-wrap:anywhere}
.prose img{display:block;max-width:100%;height:auto;margin:1.5em auto;border-radius:6px}
.prose figure{max-width:100%;margin:1.75em auto;text-align:center}
.prose figure img{margin:0 auto}
.prose figcaption{margin-top:.6em;font-size:.875rem;line-height:1.6;color:var(--c-muted)}
.prose blockquote{margin:1.5em 0;padding:12px 18px;background:var(--c-gray-50);border-left:4px solid var(--c-gray-100);color:var(--c-steel)}
.prose code{padding:.1em .35em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;background:var(--c-gray-50);border-radius:4px}
.prose strong{font-weight:700}
.prose table{margin:0 0 1.5em}
.prose > table,.prose :not(.table-wrap) > table{display:block;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.prose .feature-list{padding-left:0}
.prose .feature-list li{margin:0}

/* === Spec table（.prose table 同风格） === */
.table-wrap{max-width:100%;margin:0 0 1.5em;overflow-x:auto;-webkit-overflow-scrolling:touch;background:var(--c-white);border:1px solid var(--c-gray-100);border-radius:var(--radius)}
.table-wrap > table{margin:0;border-style:hidden}
.spec-table,.prose table{width:100%;border-collapse:collapse;font-size:.9375rem;line-height:1.55;background:var(--c-white);color:var(--c-ink);font-variant-numeric:tabular-nums}
.spec-table{min-width:36rem}
.spec-table:not(:has(tr > :nth-child(3))){min-width:0}
.spec-table caption,.prose table caption{caption-side:top;padding:10px 14px;text-align:left;font-weight:700}
.spec-table th,.spec-table td,.prose th,.prose td{min-width:5.5em;padding:10px 14px;text-align:left;vertical-align:top;border:1px solid var(--c-gray-100)}
.spec-table thead th,.spec-table th[scope="col"],.prose thead th,.prose th[scope="col"]{background:var(--c-ink);color:#fff;font-weight:700;border-color:var(--c-steel);white-space:nowrap}
.spec-table tbody tr:nth-child(even),.prose tbody tr:nth-child(even){background:var(--c-gray-50)}
.spec-table tbody tr:hover,.prose tbody tr:hover{background:#FBF1E3}
.spec-table td:first-child,.spec-table tbody th,.prose td:first-child,.prose tbody th{font-weight:700}

/* === Feature list === */
.feature-list{display:grid;gap:10px;margin:0 0 1.25em;padding:0;list-style:none}
.feature-list li{position:relative;padding-left:32px;line-height:1.7}
.feature-list li::before{content:"";position:absolute;left:0;top:.22em;width:20px;height:20px;background:var(--c-brand);border-radius:50%}
.feature-list li::after{content:"";position:absolute;left:7px;top:calc(.22em + 4px);width:6px;height:10px;border:solid var(--c-ink);border-width:0 2px 2px 0;transform:rotate(45deg)}

/* === Gallery === */
.gallery{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}
.gallery figure{margin:0;overflow:hidden;background:var(--c-white);border:1px solid var(--c-gray-100);border-radius:var(--radius)}
.gallery img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}
.gallery figcaption{padding:10px 12px;font-size:.875rem;line-height:1.5;color:var(--c-muted)}
@media (min-width:640px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}
@media (min-width:1024px){.gallery{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* === CTA band === */
.cta-band{display:grid;grid-template-columns:minmax(0,1fr);justify-items:start;gap:12px;padding:28px 20px;background:var(--c-ink);color:#fff;border-radius:var(--radius-lg);box-shadow:inset 6px 0 0 var(--c-brand)}
.section--dark .cta-band{background:var(--c-steel)}
.cta-band__title{margin:0;font-size:clamp(1.25rem,1rem + 1.2vw,1.75rem);color:#fff}
.cta-band__text{max-width:60ch;margin:0;color:rgba(255,255,255,.84)}
.cta-band .btn{margin-top:4px}
@media (min-width:1024px){
  .cta-band{grid-template-columns:minmax(0,1fr) auto;align-items:center;column-gap:40px;padding:40px 48px}
  .cta-band > :not(.btn){grid-column:1}
  .cta-band > .btn{grid-column:2;grid-row:1 / span 2;align-self:center;margin:0}
}

/* === FAQ === */
.faq{display:grid;gap:12px}
.faq__item{background:var(--c-white);color:var(--c-ink);border:1px solid var(--c-gray-100);border-radius:var(--radius)}
.faq__item > summary{position:relative;display:block;min-height:44px;padding:14px 52px 14px 18px;font-weight:700;line-height:1.5;list-style:none;cursor:pointer;border-radius:var(--radius)}
.faq__item > summary::-webkit-details-marker{display:none}
.faq__item > summary::after{content:"";position:absolute;right:20px;top:50%;width:9px;height:9px;border:solid currentColor;border-width:0 2px 2px 0;transform:translateY(-70%) rotate(45deg);transition:transform .2s var(--ease)}
.faq__item > summary:hover{color:var(--c-brand-text)}
.faq__item[open] > summary{color:var(--c-brand-text);border-bottom:1px solid var(--c-gray-100);border-radius:var(--radius) var(--radius) 0 0}
.faq__item[open] > summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq__answer{padding:14px 18px 16px;color:var(--c-steel)}
.faq__answer > :last-child{margin-bottom:0}

/* === Contact card === */
.contact-card{height:100%;padding:20px;background:var(--c-white);color:var(--c-ink);border:1px solid var(--c-gray-100);border-top:4px solid var(--c-brand);border-radius:var(--radius);overflow-wrap:anywhere}
.contact-card h2,.contact-card h3{margin:0 0 .5em;font-size:1.125rem}
.contact-card p,.contact-card ul{margin:0 0 .5em}
.contact-card ul{padding:0;list-style:none}
.contact-card a{font-weight:600}
.contact-card > :last-child{margin-bottom:0}
@media (min-width:1024px){.contact-card{padding:24px}}

/* === Post meta & list === */
.post-meta{display:flex;flex-wrap:wrap;gap:4px 16px;margin:0 0 1.25em;font-size:.875rem;line-height:1.6;color:var(--c-muted)}
.post-meta a{color:inherit}
.post-meta a:hover{color:var(--c-brand-text)}
.post-list{margin:0;padding:0;list-style:none;border-top:1px solid var(--c-gray-100)}
.post-list__item{padding:20px 0;border-bottom:1px solid var(--c-gray-100)}
.post-list__item h2,.post-list__item h3{margin:0 0 .35em;font-size:1.125rem;line-height:1.5}
.post-list__item h2 a,.post-list__item h3 a{color:var(--c-ink);text-decoration:none}
.post-list__item h2 a:hover,.post-list__item h3 a:hover{color:var(--c-brand-text);text-decoration:underline}
.post-list__item time{display:inline-block;margin-bottom:.35em;font-size:.875rem;color:var(--c-muted)}
.post-list__item .post-meta{margin-bottom:.4em}
.post-list__item p{margin:0;font-size:.9375rem;color:var(--c-muted)}

/* === Enquiry & Form === */
.enquiry{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}
.enquiry__intro h2{margin-bottom:.4em}
.enquiry__intro p{color:var(--c-steel)}
.enquiry-form{position:relative;padding:20px;background:var(--c-white);border:1px solid var(--c-gray-100);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.form-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:16px 20px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field--full{grid-column:1 / -1}
.field > label{font-size:.9375rem;font-weight:600;line-height:1.4;color:var(--c-ink)}
.req{margin-left:2px;font-weight:700;color:var(--c-error)}
.field > input,.field > select,.field > textarea{display:block;width:100%;min-height:44px;padding:10px 12px;font-size:1rem;line-height:1.5;color:var(--c-ink);background:var(--c-white);border:1px solid var(--c-gray-400);border-radius:var(--radius);-webkit-appearance:none;appearance:none;transition:border-color .15s,box-shadow .15s}
.field > textarea{min-height:132px;resize:vertical}
.field > select{padding-right:40px;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--c-ink) 50%),linear-gradient(135deg,var(--c-ink) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat}
.field > input:hover,.field > select:hover,.field > textarea:hover{border-color:var(--c-steel)}
.field > input:focus,.field > select:focus,.field > textarea:focus{border-color:var(--c-brand-dark);box-shadow:0 0 0 3px rgba(234,153,40,.22)}
.field > input:focus-visible,.field > select:focus-visible,.field > textarea:focus-visible{outline:2px solid var(--c-brand-dark);outline-offset:1px}
.field > input::placeholder,.field > textarea::placeholder{color:var(--c-muted);opacity:1}
.field > input:user-invalid,.field > textarea:user-invalid,.field > [aria-invalid="true"]{border-color:var(--c-error)}

/* 蜜罐：视觉隐藏，不造成横向溢出（不使用 left:-9999px） */
.hp-field{position:absolute!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;clip-path:inset(50%)!important;white-space:nowrap!important;border:0!important}

/* PoW 复选框验证 */
.pow{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;min-height:64px;padding:8px 14px;background:var(--c-gray-50);border:1px solid var(--c-gray-400);border-radius:var(--radius);transition:border-color .2s,background-color .2s}
.pow__box{display:inline-flex;align-items:center;gap:12px;flex:1 1 auto;min-width:0;min-height:44px;margin:0;cursor:pointer}
.pow__check{display:grid;place-content:center;flex:none;width:26px;height:26px;margin:0;background:var(--c-white);border:2px solid var(--c-steel);border-radius:4px;-webkit-appearance:none;appearance:none;cursor:pointer;transition:background-color .15s,border-color .15s}
.pow__check::before{content:"";width:7px;height:13px;border:solid #fff;border-width:0 3px 3px 0;transform:translate(0,-1px) rotate(45deg) scale(0);transition:transform .15s var(--ease)}
.pow__check:checked{background:var(--c-steel)}
.pow__check:checked::before{transform:translate(0,-1px) rotate(45deg) scale(1)}
.pow__check:focus-visible{outline:2px solid var(--c-brand-dark);outline-offset:2px}
.pow__check:disabled{cursor:default}
.pow__label{font-size:1rem;font-weight:600;line-height:1.4;color:var(--c-ink);-webkit-user-select:none;user-select:none}
.pow__progress{display:none;align-items:center;gap:8px;font-size:.8125rem;color:var(--c-muted);font-variant-numeric:tabular-nums}
.pow__progress::before{content:"";flex:none;width:20px;height:20px;border:3px solid var(--c-gray-100);border-top-color:var(--c-brand-dark);border-radius:50%;animation:pow-spin .8s linear infinite}
.pow__brand{display:inline-flex;align-items:center;gap:5px;margin-left:auto;font-size:.75rem;letter-spacing:.04em;white-space:nowrap;color:var(--c-muted)}
.pow__brand::before{content:"";width:10px;height:12px;background:currentColor;clip-path:polygon(50% 0,100% 18%,100% 55%,50% 100%,0 55%,0 18%)}
.pow.is-verifying .pow__progress{display:inline-flex}
.pow.is-verifying .pow__box{cursor:progress}
.pow.is-verifying .pow__check{background:var(--c-white);border-color:var(--c-gray-400)}
.pow.is-verifying .pow__check::before{transform:translate(0,-1px) rotate(45deg) scale(0)}
.pow.is-verified{background:var(--c-success-bg);border-color:var(--c-success)}
.pow.is-verified .pow__label,.pow.is-verified .pow__brand{color:var(--c-success)}
.pow.is-verified .pow__box{cursor:default}
.pow.is-verified .pow__check{background:var(--c-success);border-color:var(--c-success)}
.pow.is-verified .pow__check::before{transform:translate(0,-1px) rotate(45deg) scale(1)}
.pow.is-error{background:var(--c-error-bg);border-color:var(--c-error)}
.pow.is-error .pow__label,.pow.is-error .pow__brand{color:var(--c-error)}
.pow.is-error .pow__check{background:var(--c-white);border-color:var(--c-error)}
.pow.is-error .pow__check::before{transform:translate(0,-1px) rotate(45deg) scale(0)}
@keyframes pow-spin{to{transform:rotate(360deg)}}

.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;margin-top:20px}
.form-actions .btn{flex:1 1 100%}
.form-note{flex:1 1 16rem;margin:0;font-size:.8125rem;line-height:1.6;color:var(--c-muted)}
.form-status{margin:16px 0 0;font-size:.9375rem;line-height:1.6;border-radius:var(--radius)}
.form-status:empty{display:none;margin:0}
.form-status.is-success{padding:12px 16px;color:#17602D;background:var(--c-success-bg);border:1px solid #B7DDC2;border-left:4px solid var(--c-success)}
.form-status.is-error{padding:12px 16px;color:#912018;background:var(--c-error-bg);border:1px solid #F5C2BC;border-left:4px solid var(--c-error)}

@media (min-width:640px){
  .enquiry-form{padding:28px}
  .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-actions .btn{flex:none}
}
@media (min-width:1024px){
  .enquiry{grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:48px}
  .enquiry__intro{position:sticky;top:calc(var(--hh) + 24px);align-self:start}
  .enquiry-form{padding:32px}
}

/* === Footer === */
.site-footer{padding-top:48px;font-size:.9375rem;line-height:1.75;background:var(--c-ink);color:rgba(255,255,255,.78)}
.site-footer__grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
.site-footer__brand,.site-footer__contact{overflow-wrap:anywhere}
.site-footer__logo{display:block;width:auto;height:48px;margin-bottom:16px;padding:8px 12px;background:#fff;border-radius:var(--radius)}
.site-footer p{margin:0 0 .75em}
.site-footer a{color:#fff;text-decoration:underline;text-decoration-color:rgba(255,255,255,.35)}
.site-footer a:hover{color:var(--c-brand);text-decoration-color:currentColor}
.site-footer__title{position:relative;margin:0 0 14px;padding-bottom:10px;font-size:1rem;color:#fff}
.site-footer__title::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--c-brand)}
.site-footer ul{margin:0;padding:0;list-style:none}
.site-footer__nav a{display:inline-flex;align-items:center;min-height:36px;text-decoration:none}
.site-footer__nav a:hover{text-decoration:underline}
.site-footer__contact li{margin-bottom:14px}
.site-footer__contact li:last-child{margin-bottom:0}
.site-footer__contact strong{color:#fff}
.site-footer__bottom{margin-top:40px;padding:16px 0;font-size:.8125rem;color:rgba(255,255,255,.7);border-top:1px solid rgba(255,255,255,.12)}
.site-footer__bottom p{margin:0}
@media (min-width:640px){
  .site-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .site-footer__brand{grid-column:1 / -1}
}
@media (min-width:1024px){
  .site-footer{padding-top:64px}
  .site-footer__grid{grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr) minmax(0,1.3fr);gap:48px}
  .site-footer__brand{grid-column:auto}
}

/* === Accessibility: motion & forced colors === */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .card:hover,.btn:active{transform:none}
  .pow.is-verifying .pow__progress::before{animation-duration:1.6s!important;animation-iteration-count:infinite!important}
}
@media (forced-colors:active){
  .btn,.pow,.pow__check{border:2px solid ButtonText}
  .pow__check::before{border-color:CanvasText}
  .nav-burger span{background:ButtonText}
}

/* === Print === */
@media print{
  *,*::before,*::after{box-shadow:none!important;text-shadow:none!important}
  html,body{display:block;background:#fff!important;color:#000!important;font-size:11pt}
  .skip-link,.nav-burger,.site-nav,.site-header__tel,.breadcrumb,#enquiry,.enquiry,.enquiry-form,.site-footer__nav,.hero__actions,.cta-band .btn,.card__link,.hero__media{display:none!important}
  .site-header{position:static;border-bottom:1px solid #000}
  .page-hero,.hero,.section--dark,.section--alt,.stats,.cta-band,.site-footer{background:none!important;color:#000!important}
  :is(.page-hero,.hero,.section--dark,.stats,.cta-band,.site-footer) *{color:#000!important}
  .hero{min-height:0}
  .hero__content{padding:0}
  .section,.page-hero{padding:16px 0}
  .card{transform:none!important;border-color:#999}
  .table-wrap{overflow:visible;border:0}
  .spec-table{min-width:0}
  .spec-table th,.prose th{background:#eee!important;color:#000!important}
  .spec-table th,.spec-table td,.prose th,.prose td{border:1px solid #999!important}
  .card,.contact-card,figure,tr,img,.stat,.faq__item{break-inside:avoid}
  h2,h3{break-after:avoid}
  .prose a[href^="http"]::after{content:" (" attr(href) ")";font-size:.85em;word-break:break-all}
  .site-footer__logo{padding:0}
  .site-footer__bottom{border-top:1px solid #999}
}
.hero__content { position: relative; z-index: 1; width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 16px; box-sizing: border-box; }
@media (min-width: 640px) { .hero__content { padding-inline: 24px; } }
.hero .container .hero__content { padding-inline: 0; }