/* ==========================================================================
   云上新能源 · 国内站样式（移动优先，适配手机 / 平板 / 折叠屏 / 宽屏）
   ========================================================================== */

:root{
  --brand:#10B981;
  --brand-deep:#059669;
  --brand-ink:#047857;
  --brand-soft:#ECFDF5;
  --ink:#0F172A;
  --ink-2:#64748B;
  --ink-3:#94A3B8;
  --line:#E2E8F0;
  --bg:#FFFFFF;
  --bg-soft:#FAFBFC;
  --dark:#0B1220;
  --r:12px;
  --r-lg:20px;
  --sh:0 1px 2px rgba(15,23,42,.04),0 18px 40px -22px rgba(15,23,42,.22);
  --sec-y:clamp(56px,7vw,100px);
  --wrap:1200px;
  --hdr-h:60px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:400 15px/1.7 "PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
em{font-style:normal}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* ---------------------------------------------------------------- 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:1px solid transparent;border-radius:999px;
  font-size:15px;font-weight:500;cursor:pointer;white-space:nowrap;
  transition:background-color .2s,color .2s,border-color .2s,transform .2s;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--brand-deep);color:#fff}
.btn--primary:hover{background:var(--brand-ink)}
.btn--line{border-color:var(--line);color:var(--ink);background:#fff}
.btn--line:hover{border-color:var(--brand);color:var(--brand)}
.btn--ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--block{width:100%}

/* ---------------------------------------------------------------- 头部 */
.hdr{
  --hdr-fg:var(--ink);
  --hdr-accent:var(--brand);
  position:sticky;top:0;z-index:60;color:var(--hdr-fg);
  background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.hdr__inner{display:flex;align-items:center;gap:20px;height:var(--hdr-h)}
.hdr__logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.hdr__mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:600;
}
.hdr__name{font-size:17px;font-weight:600;letter-spacing:.01em}
.hdr__nav{display:none}
.hdr__side{margin-left:auto;display:flex;align-items:center;gap:12px}
.hdr__tel{display:none;text-align:right;line-height:1.25}
.hdr__tel span{display:block;font-size:12px;opacity:.7}
.hdr__tel strong{font-size:16px;font-weight:600}
.hdr__burger{
  width:40px;height:40px;border:0;background:transparent;padding:0;cursor:pointer;
  display:grid;place-content:center;gap:5px;
}
.hdr__burger i{display:block;width:20px;height:1.5px;background:currentColor;border-radius:2px;transition:transform .2s,opacity .2s}
body.nav-open .hdr__burger i:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
body.nav-open .hdr__burger i:nth-child(2){opacity:0}
body.nav-open .hdr__burger i:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* 首页首屏透明头部：hero 上顶覆盖 header 区域，白字叠在深色主图上 */
body.has-hero .hdr:not(.is-solid){
  --hdr-fg:#fff;--hdr-accent:#8FE6CD;
  background:transparent;border-color:transparent;backdrop-filter:none;
}
body.has-hero .hdr:not(.is-solid) .hdr__mark{background:rgba(255,255,255,.16);color:#fff}
body.has-hero .hero{margin-top:calc(-1 * var(--hdr-h))}

/* 移动端导航面板 */
@media (max-width:1023px){
  .hdr__nav{
    position:fixed;top:var(--hdr-h);left:0;right:0;z-index:59;
    display:flex;flex-direction:column;gap:2px;
    padding:10px 20px 22px;color:var(--ink);
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh);
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .22s ease,transform .22s ease;
  }
  body.nav-open .hdr__nav{opacity:1;transform:none;pointer-events:auto}
  body.nav-open{overflow:hidden}
}

@media (min-width:1024px){
  :root{--hdr-h:76px}
  .hdr__nav{display:flex;align-items:center;gap:4px;margin-left:16px}
  .hdr__burger{display:none}
  .hdr__tel{display:block}
}

.hdr__link{
  padding:10px 14px;border-radius:10px;font-size:15px;color:inherit;opacity:.78;
  transition:opacity .2s,background-color .2s,color .2s;
}
.hdr__link:hover{opacity:1;background:rgba(125,125,125,.08)}
.hdr__link.is-on{opacity:1;color:var(--hdr-accent)}
.hdr__link.is-on::after{content:"";display:none}

/* 导航下拉 */
.hdr__drop{position:relative}
.hdr__menu{display:none}
@media (min-width:1024px){
  .hdr__drop > .hdr__link{display:inline-flex;align-items:center;gap:4px}
  .hdr__drop > .hdr__link::before{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.6}
  .hdr__drop:hover .hdr__menu,.hdr__drop:focus-within .hdr__menu{
    display:block;position:absolute;top:100%;left:0;z-index:70;min-width:180px;
    padding:8px;border-radius:var(--r);background:#fff;border:1px solid var(--line);box-shadow:var(--sh);
  }
  .hdr__menu a{display:block;padding:10px 14px;border-radius:8px;font-size:14px;color:var(--ink);opacity:1}
  .hdr__menu a:hover{background:var(--brand-soft);color:var(--brand-deep)}
}
@media (max-width:1023px){
  .hdr__drop{display:flex;flex-direction:column}
  .hdr__menu{display:flex;flex-direction:column;gap:2px;padding-left:14px}
  .hdr__menu a{padding:8px 14px;font-size:14px;color:var(--ink-2)}
}

/* ---------------------------------------------------------------- 首屏 */
.hero{position:relative;overflow:hidden;background:var(--dark);color:#fff}
.hero__slides{position:absolute;inset:0}
.hero__slide{
  position:absolute;inset:0;background-size:cover;background-position:center;background-color:#0B1220;
  opacity:0;transform:scale(1.04);transition:opacity 1s ease,transform 6s ease-out;
}
.hero__slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,18,32,.42) 0%,rgba(11,18,32,.72) 52%,rgba(11,18,32,.94) 100%);
}
.hero__slide.is-on{opacity:1;transform:scale(1)}
.hero__inner{position:relative;padding-top:112px;padding-bottom:40px}
.hero__texts{position:relative;min-height:10px}
.hero__text{position:absolute;left:0;right:0;top:0;opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease;pointer-events:none}
.hero__text.is-on{position:relative;opacity:1;transform:none;pointer-events:auto}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:#6EE7B7;margin-bottom:20px;
}
.hero__title{font-size:clamp(30px,7vw,58px);font-weight:600;letter-spacing:-.02em;line-height:1.14}
.hero__desc{margin-top:20px;max-width:34em;color:rgba(255,255,255,.76);font-size:clamp(14px,1.5vw,17px)}
.hero__acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero__dots{display:flex;gap:10px;margin-top:28px}
.hero__dot{
  width:28px;height:4px;padding:0;border:0;border-radius:999px;cursor:pointer;
  background:rgba(255,255,255,.32);transition:background .25s,width .25s;
}
.hero__dot.is-on{background:#6EE7B7;width:40px}
.hero__stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  margin-top:48px;padding-top:28px;border-top:1px solid rgba(255,255,255,.16);
}
.hero__stats strong{display:block;font-size:clamp(20px,3.4vw,30px);font-weight:600;letter-spacing:-.01em}
.hero__stats strong em{font-size:.62em;margin-left:2px;color:#6EE7B7}
.hero__stats span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.6)}

@media (min-width:1024px){
  .hero{min-height:640px;display:flex;align-items:flex-end}
  .hero__inner{padding-top:180px;padding-bottom:72px}
  .hero__stats{margin-top:64px;max-width:720px}
}

/* ---------------------------------------------------------------- 通用区块 */
.sec{padding:var(--sec-y) 0}
.sec--soft{background:var(--bg);border-top:1px solid var(--line)}
.sec--tight{padding-top:0}
/* 详情页特性徽章区：与上方按钮区保持固定节奏，不贴脸也不空太大 */
.sec--badges{padding:clamp(24px,3.5vw,40px) 0}
.sec__hd{max-width:620px;margin-bottom:40px}
.sec__title{font-size:clamp(22px,3.6vw,34px);font-weight:650;letter-spacing:-.02em;position:relative}
/* 区块标题装饰条：小竖条 + 主色渐变 */
.sec__hd .sec__title::before{
  content:"";display:block;width:34px;height:4px;border-radius:999px;margin-bottom:18px;
  background:linear-gradient(90deg,var(--brand),var(--brand-soft));
}
.sec__sub{margin-top:14px;color:var(--ink-2);font-size:15px}
.sec__foot{margin-top:40px;text-align:center}
.page-hd{padding:44px 0 8px;background:var(--bg)}
.page-hd__title{margin-top:16px;font-size:clamp(24px,4vw,38px);font-weight:650;letter-spacing:-.02em}
.page-hd__sub{margin-top:12px;color:var(--ink-2);padding-bottom:30px;font-size:15px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.crumb a:hover{color:var(--brand)}
.crumb em{color:var(--ink-2)}

/* ---------------------------------------------------------------- 分类卡 */
.cat-grid{display:grid;gap:20px}
.cat-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  transition:transform .28s cubic-bezier(.22,.61,.36,1),box-shadow .28s,border-color .28s;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#CBD5E1}
.cat-card__media{position:relative;aspect-ratio:4/3;background:var(--bg-soft);overflow:hidden}
.cat-card__media img{width:100%;height:100%;object-fit:cover}
.cat-card__tag{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;
  background:rgba(15,23,42,.62);color:#fff;font-size:12px;letter-spacing:.04em;
  backdrop-filter:blur(6px);
}
.cat-card__body{padding:20px 22px 24px}
.cat-card__body h3{font-size:19px}
.cat-card__body p{margin-top:10px;color:var(--ink-2);font-size:14px}
.cat-card__more{
  display:inline-block;margin-top:16px;font-size:14px;color:var(--brand);font-weight:500;
}
.cat-card__more::after{content:" →"}

@media (min-width:640px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.cat-grid{grid-template-columns:repeat(3,1fr);gap:24px}}

/* ---------------------------------------------------------------- 产品卡 */
.p-grid{display:grid;gap:18px}
.p-card{
  display:flex;flex-direction:column;overflow:hidden;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);
  transition:transform .28s cubic-bezier(.22,.61,.36,1),box-shadow .28s,border-color .28s;
}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#CBD5E1}
.p-card__media{aspect-ratio:1/1;background:var(--bg-soft);overflow:hidden}
.p-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.p-card:hover .p-card__media img{transform:scale(1.04)}
.p-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.p-card__name{font-size:16px;line-height:1.4}
.p-card__model{margin-top:6px;font-size:13px;color:var(--ink-3)}
.p-card__chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.p-card__chips li{
  padding:4px 10px;border-radius:8px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:500;
}

@media (min-width:640px){.p-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.p-grid{grid-template-columns:repeat(3,1fr);gap:24px}}

/* ---------------------------------------------------------------- 图文分栏 */
.split{display:grid;gap:32px;align-items:center}
.split__media{border-radius:var(--r-lg);overflow:hidden;background:var(--bg-soft)}
.split__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split__desc{margin-top:16px;color:var(--ink-2)}
.feat-list{margin-top:26px;display:grid;gap:16px}
.feat-list li{
  position:relative;padding-left:20px;font-size:14px;color:var(--ink-2);
}
.feat-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--brand);
}
.feat-list strong{display:inline-block;margin-right:8px;color:var(--ink);font-weight:600}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:28px 0}
.stat strong{display:block;font-size:clamp(20px,3vw,26px);color:var(--brand)}
.stat strong em{font-size:.6em;margin-left:2px}
.stat span{display:block;margin-top:4px;font-size:13px;color:var(--ink-3)}

@media (min-width:1024px){
  .split{grid-template-columns:1fr 1fr;gap:64px}
  .split--reverse .split__media{order:2}
}

/* ---------------------------------------------------------------- CTA */
.cta{background:var(--dark);color:#fff;padding:clamp(40px,6vw,64px) 0}
.cta__inner{display:flex;flex-direction:column;gap:22px;align-items:flex-start}
.cta h2{font-size:clamp(20px,3.2vw,28px)}
.cta p{margin-top:10px;color:rgba(255,255,255,.7)}
@media (min-width:768px){.cta__inner{flex-direction:row;align-items:center;justify-content:space-between}}

/* ---------------------------------------------------------------- 筛选条 */
.filter{display:flex;gap:10px;overflow-x:auto;padding:4px 0 20px;-webkit-overflow-scrolling:touch}
.filter__item{
  flex:0 0 auto;padding:9px 20px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:14px;color:var(--ink-2);transition:.2s;
}
.filter__item:hover{border-color:var(--brand);color:var(--brand)}
.filter__item.is-on{background:var(--brand);border-color:var(--brand);color:#fff}
.empty{padding:80px 0;text-align:center;color:var(--ink-3)}

/* 分页（匹配 ThinkPHP 分页组件输出） */
.pager{margin-top:44px}
.pagination{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;padding:0;list-style:none;margin:0}
.pagination li{display:inline-flex}
.pagination li a,.pagination li span{
  min-width:42px;height:42px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:#fff;font-size:14px;color:var(--ink-2);
  transition:.2s;
}
.pagination li a:hover{border-color:var(--brand);color:var(--brand)}
.pagination li.active span{background:var(--brand);border-color:var(--brand);color:#fff}
.pagination li.disabled span{opacity:.4}

/* ---------------------------------------------------------------- 详情页 */
.detail{padding-top:28px}
.detail__top{display:grid;gap:28px;margin-top:20px}
.gallery__main{
  aspect-ratio:1/1;border-radius:var(--r-lg);overflow:hidden;background:var(--bg-soft);
  border:1px solid var(--line);
}
.gallery__main img{width:100%;height:100%;object-fit:cover}
.gallery__thumbs{display:flex;gap:10px;margin-top:12px;overflow-x:auto;padding-bottom:4px}
.gallery__thumb{
  flex:0 0 84px;width:84px;height:84px;padding:0;border:1px solid var(--line);
  border-radius:10px;overflow:hidden;background:var(--bg-soft);cursor:pointer;transition:.2s;
}
.gallery__thumb img{width:100%;height:100%;object-fit:cover}
.gallery__thumb.is-on{border-color:var(--brand);box-shadow:0 0 0 2px rgba(16,185,129,.14)}

.detail__title{font-size:clamp(21px,3.4vw,30px);line-height:1.3}
.detail__sub{display:inline-block;margin-top:12px;padding:4px 12px;border-radius:8px;background:var(--brand-soft);color:var(--brand-deep);font-size:13px}
.detail__model{margin-top:12px;font-size:14px;color:var(--ink-3)}
.detail__summary{margin-top:16px;color:var(--ink-2)}
.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin-top:24px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.spec-grid li{background:#fff;padding:14px 16px}
.spec-grid span{display:block;font-size:12.5px;color:var(--ink-3)}
.spec-grid strong{display:block;margin-top:6px;font-size:16px;font-weight:600}
.detail__acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

.badge-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.badge{
  display:flex;align-items:center;gap:10px;padding:14px 16px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r);font-size:14px;color:var(--ink-2);
}
.badge svg{width:22px;height:22px;flex:0 0 auto;color:var(--brand)}
@media (min-width:640px){.badge-row{grid-template-columns:repeat(4,1fr)}}

.detail__cols{display:grid;gap:32px}
.blk+.blk{margin-top:40px}
.blk__title{font-size:19px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.dots{margin-top:18px;display:grid;gap:10px}
.dots li{position:relative;padding-left:18px;color:var(--ink-2);font-size:14.5px}
.dots li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.app-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:18px}
.app-grid li{
  padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:13.5px;
  color:var(--ink-2);background:#fff;
}
@media (min-width:768px){.app-grid{grid-template-columns:repeat(3,1fr)}}
.param-block{margin-top:22px}
.param-block__hd{font-size:14px;color:var(--brand-deep);padding:8px 0}
.param-table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.param-table th,.param-table td{padding:12px 14px;font-size:14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.param-table tr:last-child th,.param-table tr:last-child td{border-bottom:0}
.param-table th{width:38%;background:var(--bg-soft);color:var(--ink-2);font-weight:400}
.param-table td{color:var(--ink)}
.param-notes{margin-top:16px;font-size:12.5px;color:var(--ink-3);line-height:1.75}
.rich{margin-top:18px;color:var(--ink-2)}
.rich p{margin-bottom:14px}
.rich img{border-radius:var(--r);margin:16px 0}

.aside-card{
  padding:24px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--bg-soft);
}
.aside-card h3{font-size:17px}
.aside-card p{margin-top:10px;font-size:14px;color:var(--ink-2)}
.aside-card .btn{margin-top:18px}
.aside-list{margin-top:18px;display:grid;gap:10px;font-size:14px}
.aside-list li{display:flex;justify-content:space-between;gap:12px}
.aside-list span{color:var(--ink-3)}

@media (min-width:1024px){
  .detail__top{grid-template-columns:1.05fr .95fr;gap:48px}
  .detail__cols{grid-template-columns:minmax(0,1fr) 300px;gap:48px}
  .detail__aside{position:sticky;top:calc(var(--hdr-h) + 24px);align-self:start}
}

/* ---------------------------------------------------------------- 表单 */
.inquiry{max-width:820px}
.inquiry__hd{margin-bottom:28px}
.form{display:grid;gap:16px}
.form__row{display:grid;gap:16px}
.field{display:block}
.field span{display:block;margin-bottom:8px;font-size:13.5px;color:var(--ink-2)}
.field span em{color:#EF4444}
.field input,.field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--r);
  background:#fff;font:inherit;font-size:15px;color:var(--ink);transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field textarea:focus{
  outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(16,185,129,.12);
}
.field textarea{resize:vertical;min-height:110px}
.form__foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.form__tip{font-size:14px;color:var(--ink-2)}
.form__tip.is-ok{color:var(--brand)}
.form__tip.is-err{color:#EF4444}
@media (min-width:768px){.form__row{grid-template-columns:1fr 1fr}}

/* ---------------------------------------------------------------- 页脚 */
.ftr{background:var(--dark);color:rgba(255,255,255,.72);padding-top:clamp(44px,6vw,72px)}
.ftr__top{display:grid;grid-template-columns:1fr 1fr;gap:28px 20px}
.ftr__brand,.ftr__col--contact{grid-column:1 / -1}
.ftr__logo{font-size:19px;font-weight:600;color:#fff}
.ftr__desc{margin-top:14px;font-size:14px;max-width:34em}
.ftr__acts{display:flex;gap:10px;margin-top:18px}
.ftr__col h4{font-size:15px;color:#fff;margin-bottom:14px}
.ftr__col p{margin-bottom:10px;font-size:14px;display:flex;gap:10px}
.ftr__col p span{color:rgba(255,255,255,.45);flex:0 0 56px}
.ftr__col a:hover{color:#6EE7B7}
.ftr__bar{margin-top:clamp(32px,5vw,56px);border-top:1px solid rgba(255,255,255,.12)}
.ftr__bar-inner{
  display:flex;flex-direction:column;gap:8px;padding-top:20px;padding-bottom:24px;
  font-size:13px;color:rgba(255,255,255,.45);
}
.btn--sm{height:38px;padding:0 18px;font-size:13.5px}
.btn--line-light{border-color:rgba(255,255,255,.35);color:#fff;background:transparent}
.btn--line-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}
@media (min-width:768px){
  .ftr__top{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px}
  .ftr__brand,.ftr__col--contact{grid-column:auto}
  .ftr__bar-inner{flex-direction:row;align-items:center;justify-content:space-between}
}

/* ---------------------------------------------------------------- 入场动效 */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------------------------------------------------------------- 宽屏 */
@media (min-width:1440px){
  :root{--wrap:1280px}
  body{font-size:16px}
}
@media (min-width:1800px){
  :root{--wrap:1400px}
}

/* ---------------------------------------------------------------- 区块头/工具行 */
.sec__hd--row{max-width:none;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}
.sec__foot--left{text-align:left;margin-top:26px}
.split__acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px}
.wrap--narrow{max-width:860px}

/* ---------------------------------------------------------------- 首页小图墙 */
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mini-grid__cell{aspect-ratio:4/3;border-radius:var(--r);overflow:hidden;background:var(--bg-soft)}
.mini-grid__cell img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.mini-grid__cell:hover img{transform:scale(1.05)}
@media (min-width:1024px){.mini-grid{grid-template-columns:repeat(6,1fr);gap:16px}}

/* ---------------------------------------------------------------- 证书横排（首页） */
.cert-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.cert-strip__item{
  aspect-ratio:3/4;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;
  transition:transform .28s,box-shadow .28s;
}
.cert-strip__item:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.cert-strip__item img{width:100%;height:100%;object-fit:cover;object-position:top}
@media (min-width:640px){.cert-strip{grid-template-columns:repeat(4,1fr)}}

/* ---------------------------------------------------------------- 证书页 */
.cert-grid{display:grid;gap:20px}
.cert-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;cursor:zoom-in;
  transition:transform .28s cubic-bezier(.22,.61,.36,1),box-shadow .28s}
.cert-card:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.cert-card__img{aspect-ratio:3/4;background:var(--bg-soft);overflow:hidden}
.cert-card__img img{width:100%;height:100%;object-fit:cover;object-position:top}
.cert-card figcaption{padding:16px 18px 20px}
.cert-card__issuer{margin-top:6px;font-size:13px;color:var(--ink-2)}
.cert-card__meta{margin-top:6px;font-size:12.5px;color:var(--ink-3)}
.cert-card__desc{margin-top:8px;font-size:13.5px;color:var(--ink-2)}
.cert-card h3{font-size:16px}
@media (min-width:640px){.cert-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.cert-grid{grid-template-columns:repeat(3,1fr);gap:24px}}

/* ---------------------------------------------------------------- 工厂实拍页 */
.masonry{columns:2;column-gap:16px}
.m-item{break-inside:avoid;margin:0 0 16px;position:relative;border-radius:var(--r);overflow:hidden;background:var(--bg-soft);cursor:zoom-in}
.m-item img{width:100%;display:block}
.m-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(11,18,32,.78));
}
.m-item figcaption strong{display:block;font-size:14px;font-weight:500}
.m-item figcaption span{display:block;margin-top:2px;font-size:12px;opacity:.8}
.m-item__play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:52px;height:52px;border-radius:50%;background:rgba(15,23,42,.55);backdrop-filter:blur(4px);
}
.m-item__play::after{
  content:"";position:absolute;left:54%;top:50%;transform:translate(-50%,-50%);
  border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent;
}
@media (min-width:1024px){.masonry{columns:3}}

/* ---------------------------------------------------------------- 灯箱 */
.lightbox{position:fixed;inset:0;z-index:100;display:grid;place-items:center}
.lightbox[hidden]{display:none}
.lightbox__mask{position:absolute;inset:0;background:rgba(11,18,32,.88)}
.lightbox__box{position:relative;max-width:min(1000px,92vw);max-height:88vh;display:flex;flex-direction:column;gap:12px}
.lightbox__box img,.lightbox__box video{max-width:100%;max-height:78vh;object-fit:contain;border-radius:var(--r);background:#000}
.lightbox__cap{color:rgba(255,255,255,.85);font-size:14px;text-align:center;margin:0}
.lightbox__close{
  position:absolute;top:-44px;right:0;width:38px;height:38px;border:0;border-radius:50%;
  background:rgba(255,255,255,.14);color:#fff;font-size:22px;line-height:1;cursor:pointer;
}
.lightbox__close:hover{background:rgba(255,255,255,.26)}

/* ---------------------------------------------------------------- 新闻 */
.news-list{display:grid;gap:16px}
.news-item{
  display:grid;grid-template-columns:120px 1fr;gap:18px;padding:18px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);
  transition:transform .28s cubic-bezier(.22,.61,.36,1),box-shadow .28s,border-color .28s;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:#CBD5E1}
.news-item__img{aspect-ratio:4/3;border-radius:var(--r);overflow:hidden;background:var(--bg-soft)}
.news-item__img img{width:100%;height:100%;object-fit:cover}
.news-item__body{display:flex;flex-direction:column;min-width:0}
.news-item__title{font-size:16.5px;line-height:1.45}
.news-item__desc{margin-top:8px;font-size:13.5px;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item__meta{margin-top:auto;padding-top:10px;display:flex;gap:14px;font-size:12.5px;color:var(--ink-3)}
.news-item__top{color:var(--brand)}
@media (min-width:640px){.news-item{grid-template-columns:200px 1fr;padding:20px}}

.news-grid{display:grid;gap:18px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:transform .28s cubic-bezier(.22,.61,.36,1),box-shadow .28s}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.news-card__img{aspect-ratio:16/9;background:var(--bg-soft);overflow:hidden}
.news-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.news-card:hover .news-card__img img{transform:scale(1.04)}
.news-card__body{padding:16px 18px 20px}
.news-card__body time{font-size:12.5px;color:var(--ink-3)}
.news-card__body h3{margin-top:8px;font-size:16px;line-height:1.45}
.news-card__body p{margin-top:8px;font-size:13.5px;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(4,1fr);gap:22px}}

.news-detail__meta{padding-bottom:0}
.news-detail .news-detail__meta{margin-bottom:28px}
.news-detail__lead{
  margin:0 0 26px;padding:16px 20px;border-left:3px solid var(--brand);
  background:var(--bg-soft);border-radius:0 var(--r) var(--r) 0;color:var(--ink-2);font-size:15px;
}
.rich--about{margin-top:18px}
.news-nav{display:grid;gap:12px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.news-nav a{
  display:flex;flex-direction:column;gap:6px;padding:16px 18px;border:1px solid var(--line);
  border-radius:var(--r);background:#fff;font-size:14.5px;transition:border-color .2s,color .2s;
}
.news-nav a:hover{border-color:var(--brand);color:var(--brand)}
.news-nav a span{font-size:12.5px;color:var(--ink-3)}
.news-nav .is-next{text-align:right;align-items:flex-end}
@media (min-width:768px){.news-nav{grid-template-columns:1fr 1fr}}
.news-back{margin-top:28px}

/* ---------------------------------------------------------------- 企业介绍页 */
.pg-hero{position:relative;background:var(--dark);color:#fff;overflow:hidden}
.pg-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center}
.pg-hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,18,32,.5),rgba(11,18,32,.8))}
.pg-hero__inner{position:relative;padding:clamp(88px,14vw,160px) 20px clamp(48px,8vw,88px)}
.pg-hero__inner h1{font-size:clamp(26px,4.6vw,44px)}
.pg-hero__inner p{margin-top:14px;color:rgba(255,255,255,.76);max-width:36em}

.stat-band{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:8px}
.stat-band__item{
  padding:26px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);text-align:center;
}
.stat-band__item strong{display:block;font-size:clamp(26px,3.6vw,38px);font-weight:600;color:var(--brand);letter-spacing:-.01em}
.stat-band__item strong em{font-size:.5em;margin-left:2px;color:var(--brand-deep)}
.stat-band__item span{display:block;margin-top:8px;font-size:13.5px;color:var(--ink-2)}
@media (min-width:768px){.stat-band{grid-template-columns:repeat(4,1fr)}}

.timeline{position:relative;margin:8px 0 0;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line)}
.timeline__item{position:relative;padding-bottom:30px}
.timeline__item:last-child{padding-bottom:0}
.timeline__item::before{
  content:"";position:absolute;left:-26px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.timeline__year{display:inline-block;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.04em}
.timeline__body h3{margin-top:4px;font-size:17px}
.timeline__body p{margin-top:6px;font-size:14px;color:var(--ink-2)}

.pg-banner{position:relative;background:var(--dark)}
.pg-banner img{width:100%;max-height:520px;object-fit:cover;opacity:.92}
.pg-banner__cap{position:absolute;inset:auto 0 0;padding-bottom:24px;color:#fff}
.pg-banner__cap h2{font-size:clamp(20px,3vw,30px);text-shadow:0 1px 12px rgba(0,0,0,.4)}