/* =====================================================
   吉鑫祥 GOODSense 官网重设计 — 全局设计系统
   Brand: #e6aa41 (accent) / #464646 (ink)
   ===================================================== */
:root{
  --brand:#e6aa41;
  --brand-deep:#c8892a;
  --brand-soft:rgba(230,170,65,.14);
  --ink:#464646;
  --ink-2:#5c5c5c;
  --ink-3:#8f8f8f;
  --ink-deep:#232323;
  --ink-darkest:#1a1a1a;
  --paper:#f7f5f1;
  --line:#e7e2d9;
  --line-dark:rgba(255,255,255,.14);
  --white:#fff;
  --radius:6px;
  --radius-lg:10px;
  --shadow-sm:0 2px 10px rgba(20,20,20,.06);
  --shadow-md:0 14px 40px rgba(20,20,20,.12);
  --shadow-lg:0 24px 70px rgba(20,20,20,.18);
  --font-num:"Bahnschrift","DIN Alternate","Oswald","Helvetica Neue",Arial,sans-serif;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans CN",sans-serif;
  --w:1400px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  color:var(--ink);
  background:var(--white);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
[dir="rtl"] body{font-family:"Geeza Pro","Geeza Pro Regular","Segoe UI",Tahoma,Arial,sans-serif}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
ul,ol{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:inherit;outline:none}
::selection{background:var(--brand);color:#1a1a1a}

.wrap{width:min(var(--w),92vw);margin-inline:auto}
.num{font-family:var(--font-num);letter-spacing:.01em}

/* ---------- 通用区块头 ---------- */
.sec{padding:110px 0}
.sec-dark{background:var(--ink-deep);color:#e9e6e0}
.sec-dark .sec-head h2{color:#fff}
.sec-dark .sec-head p{color:#c9c5bc}
.sec-dark .kicker{color:var(--brand)}
.sec-dark .kicker::before{background:var(--brand)}
/* 深底上的副文更亮 */
.power .sec-head p{color:#c9c5bc}
.sec-gray{background:var(--paper)}
.sec-head{margin-bottom:56px;max-width:760px}
.sec-head.center{margin-inline:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--font-num);font-size:13px;font-weight:700;
  letter-spacing:.34em;text-transform:uppercase;color:var(--brand-deep);
  margin-bottom:18px;
}
[dir="rtl"] .kicker{letter-spacing:0}
.kicker::before{content:"";width:36px;height:2px;background:var(--brand)}
.sec-head h2{
  font-size:clamp(30px,4vw,46px);line-height:1.22;font-weight:800;
  color:var(--ink-darkest);letter-spacing:.01em;
}
.sec-head p{margin-top:16px;color:var(--ink-2);font-size:16.5px}
.sec-head .en{font-family:var(--font-num);color:var(--ink-3);font-size:14px;letter-spacing:.18em;margin-top:10px;text-transform:uppercase}

/* ---------- 按钮：矩形圆角，禁 pill ---------- */
.btn{
  display:inline-flex;align-items:center;gap:12px;
  padding:15px 34px;border-radius:4px;
  font-size:15px;font-weight:600;letter-spacing:.06em;
  transition:all .3s var(--ease);cursor:pointer;white-space:nowrap;
}
.btn svg{width:17px;height:17px;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(5px)}
[dir="rtl"] .btn svg{transform:scaleX(-1)}
[dir="rtl"] .btn:hover svg{transform:scaleX(-1) translateX(5px)}
.btn-primary{background:var(--brand);color:#1a1a1a}
.btn-primary:hover{background:var(--brand-deep);color:#fff;box-shadow:0 12px 28px rgba(230,170,65,.35)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink-darkest);border-color:#fff}
.btn-dark{border:1.5px solid var(--ink);color:var(--ink)}
.btn-dark:hover{background:var(--ink);color:#fff}
.btn-line{border:1.5px solid var(--brand);color:var(--brand-deep)}
.btn-line:hover{background:var(--brand);color:#1a1a1a}

/* ---------- 顶栏 ---------- */
.topbar{background:#222;color:#c9c5bd;font-size:13px;position:relative;z-index:60}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px;gap:20px}
.topbar-left{display:flex;align-items:center;gap:10px;color:#a9a49b}
.topbar-left .dot{width:5px;height:5px;background:var(--brand);border-radius:50%}
.topbar-right{display:flex;align-items:center;gap:26px}
.topbar a:hover{color:var(--brand)}
.lang-box{position:relative}
.lang-btn{display:flex;align-items:center;gap:8px;color:#e6e2da;font-size:13px;padding:6px 2px}
.lang-btn img{width:20px;height:14px;object-fit:cover;border-radius:2px;box-shadow:0 0 0 1px rgba(255,255,255,.15)}
.lang-btn svg{width:12px;height:12px;opacity:.7;transition:transform .25s}
.lang-box.open .lang-btn svg{transform:rotate(180deg)}
.lang-menu{
  position:absolute;top:calc(100% + 8px);right:0;background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow-lg);padding:8px;min-width:172px;display:none;z-index:99;
}
.lang-box.open .lang-menu{display:block}
.lang-menu button{
  display:flex;align-items:center;gap:10px;width:100%;padding:9px 12px;border-radius:4px;
  color:var(--ink);font-size:13.5px;text-align:left;
}
.lang-menu button:hover{background:var(--brand-soft);color:var(--brand-deep)}
.lang-menu button img{width:20px;height:14px;object-fit:cover;border-radius:2px}
.lang-menu button.active{background:var(--brand);color:#1a1a1a;font-weight:600}

/* 导航栏内的语言切换 */
.nav .lang-item{height:100%}
.nav .lang-box{height:100%;display:flex;align-items:center;margin-left:10px}
.nav .lang-btn{color:var(--ink);font-size:13.5px;padding:8px 4px}
.nav .lang-btn img{box-shadow:0 0 0 1px rgba(0,0,0,.14)}

/* 首页板块间距收紧：认证资质 → 工程案例 */
#hp-honor{padding-bottom:56px}
#hp-cases{padding-top:56px}

/* 中等宽度下导航防挤压 */
@media (max-width:1240px){
  .nav-link{padding:0 10px;font-size:14px}
  .nav .lang-btn span{display:none}
  .nav-item.call .nav-link{font-size:13.5px}
}

/* ---------- 主导航（参考大通 mega 形式） ---------- */
.header{position:sticky;top:0;z-index:55;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.header.scrolled{box-shadow:0 10px 34px rgba(20,20,20,.09)}
.nav{display:flex;align-items:center;justify-content:space-between;height:82px;transition:height .3s var(--ease)}
.header.scrolled .nav{height:68px}
.nav-logo{display:flex;align-items:center;gap:14px}
.nav-logo img{height:56px;width:auto;transition:height .3s}
.header.scrolled .nav-logo img{height:46px}
.nav-logo .lt{line-height:1.25}
.nav-logo .lt b{display:block;font-size:19px;font-weight:800;color:var(--ink-darkest);letter-spacing:.06em}
.nav-logo .lt span{font-family:var(--font-num);font-size:10.5px;letter-spacing:.24em;color:var(--ink-3);text-transform:uppercase}
.nav-menu{display:flex;align-items:center;gap:4px;height:100%}
.nav-item{position:relative;height:100%;display:flex;align-items:center}
.nav-link{
  display:flex;align-items:center;gap:6px;height:100%;padding:0 18px;
  font-size:15.5px;font-weight:600;color:var(--ink);position:relative;
}
.nav-link::after{
  content:"";position:absolute;left:18px;right:18px;bottom:0;height:3px;
  background:var(--brand);transform:scaleX(0);transform-origin:center;transition:transform .3s var(--ease);
}
.nav-item:hover .nav-link,.nav-item.active .nav-link{color:var(--ink-darkest)}
.nav-item:hover .nav-link::after,.nav-item.active .nav-link::after{transform:scaleX(1)}
.nav-link .caret{width:11px;height:11px;opacity:.55;transition:transform .3s}
.nav-item:hover .caret{transform:rotate(180deg)}
.nav-item.call{margin-left:14px}
.nav-item.call .nav-link{gap:10px;color:var(--brand-deep);font-family:var(--font-num);font-weight:700;letter-spacing:.03em}
.nav-item.call .nav-link svg{width:17px;height:17px;color:var(--brand)}

/* mega 下拉 */
.mega{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(12px);
  width:min(1080px,94vw);background:#fff;border-radius:0 0 var(--radius-lg) var(--radius-lg);
  box-shadow:var(--shadow-lg);padding:38px 42px 34px;
  opacity:0;visibility:hidden;transition:all .32s var(--ease);z-index:58;
  display:grid;grid-template-columns:repeat(3,1fr);gap:30px 40px;
}
[dir="rtl"] .mega{transform:translateX(50%) translateY(12px)}
.nav-item:hover .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
[dir="rtl"] .nav-item:hover .mega{transform:translateX(50%) translateY(0)}
.mega::before{content:"";position:absolute;top:-8px;left:0;right:0;height:8px}
.mega-col .mc-head{
  display:flex;align-items:center;gap:10px;padding-bottom:12px;margin-bottom:12px;
  border-bottom:2px solid var(--brand);font-size:16px;font-weight:800;color:var(--ink-darkest);
}
.mega-col .mc-head:hover{color:var(--brand-deep)}
.mega-col .mc-head .mc-en{font-family:var(--font-num);font-size:11px;letter-spacing:.14em;color:var(--ink-3);font-weight:400}
.mega-col ul li a{
  display:flex;align-items:center;gap:8px;padding:7px 0;font-size:13.8px;color:var(--ink-2);
}
.mega-col ul li a::before{content:"";width:5px;height:5px;background:var(--brand);border-radius:1px;transform:rotate(45deg);transition:transform .25s}
.mega-col ul li a:hover{color:var(--brand-deep);padding-left:5px}
.mega-col ul li a:hover::before{transform:rotate(225deg) scale(1.2)}
/* 小型下拉（关于我们） */
.dropdown{
  position:absolute;top:100%;left:12px;min-width:200px;background:#fff;
  border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow-lg);
  padding:10px 0;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s var(--ease);z-index:58;
}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 22px;font-size:14.5px;color:var(--ink-2)}
.dropdown a:hover{background:var(--brand-soft);color:var(--brand-deep)}
.burger{display:none;flex-direction:column;gap:5px;padding:8px}
.burger span{width:24px;height:2px;background:var(--ink);transition:.3s}

/* ---------- 页头横幅（内页） ---------- */
.page-banner{
  position:relative;height:44vh;min-height:360px;max-height:560px;overflow:hidden;
  display:flex;align-items:flex-end;color:#fff;
}
.page-banner .pb-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.06);animation:pbZoom 12s var(--ease) forwards}
@keyframes pbZoom{to{transform:scale(1)}}
.page-banner .pb-shade{position:absolute;inset:0;background:linear-gradient(to top,rgba(18,18,18,.82) 0%,rgba(18,18,18,.25) 55%,rgba(18,18,18,.35) 100%)}
.page-banner .pb-yellow{position:absolute;left:0;right:0;bottom:0;height:5px;background:linear-gradient(90deg,var(--brand) 0 30%,var(--brand-deep) 30% 100%)}
.page-banner .pb-in{position:relative;z-index:2;padding-bottom:54px}
.page-banner h1{font-size:clamp(34px,4.6vw,54px);font-weight:800;letter-spacing:.02em}
.page-banner .pb-en{font-family:var(--font-num);letter-spacing:.3em;text-transform:uppercase;font-size:13px;color:var(--brand);margin-bottom:10px}
.breadcrumb{display:flex;gap:10px;align-items:center;font-size:13.5px;color:#d8d4cc;margin-top:14px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb svg{width:12px;height:12px;opacity:.6}

/* ---------- Hero（首页全屏） ---------- */
.hero{position:relative;height:calc(100vh - 82px);min-height:600px;overflow:hidden;background:var(--ink-darkest)}
.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity 1.1s var(--ease),visibility 1.1s}
.hero-slide.on{opacity:1;visibility:visible}
.hero-slide .hs-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.12);transition:transform 7.5s var(--ease)}
.hero-slide.on .hs-bg{transform:scale(1)}
.hero-slide .hs-shade{position:absolute;inset:0;background:linear-gradient(75deg,rgba(15,15,15,.78) 8%,rgba(15,15,15,.34) 46%,rgba(15,15,15,.12) 78%)}
.hero-in{position:relative;z-index:3;height:100%;display:flex;align-items:center}
.hero-txt{max-width:900px;padding-bottom:4vh}
.hero-txt h1{
  font-size:clamp(40px,5.4vw,76px);line-height:1.1;color:#fff;font-weight:900;letter-spacing:.015em;
  text-shadow:0 6px 40px rgba(0,0,0,.35);
}
.hero-txt h1 em{font-style:normal;color:var(--brand)}
@media (min-width:861px){
  .hero-txt h1{white-space:nowrap}
}
.hero-txt p{margin-top:26px;font-size:clamp(15px,1.35vw,19px);color:#ece8e0;max-width:620px;line-height:1.85}
.hero-btns{display:flex;gap:16px;margin-top:44px;flex-wrap:wrap}
.hero-slide .hs-shade{background:linear-gradient(75deg,rgba(10,10,10,.68) 0%,rgba(10,10,10,.32) 42%,rgba(10,10,10,.06) 75%)}
.hero-slide::after{content:"";position:absolute;left:0;bottom:0;right:0;height:110px;background:linear-gradient(to top,rgba(10,10,10,.55),transparent);pointer-events:none}
.hero-slide .hs-line{position:absolute;left:0;bottom:0;height:6px;width:100%;z-index:3;background:linear-gradient(90deg,var(--brand) 0 42%,transparent 42%)}
.hero-scroll{position:absolute;bottom:88px;left:50%;transform:translateX(-50%);z-index:4;width:26px;height:44px;border:2px solid rgba(255,255,255,.45);border-radius:14px;display:flex;justify-content:center;padding-top:8px}
.hero-scroll i{width:3px;height:9px;background:var(--brand);border-radius:2px;animation:scrl 1.8s infinite var(--ease)}
@keyframes scrl{0%{transform:translateY(0);opacity:1}70%{transform:translateY(14px);opacity:0}100%{opacity:0}}
/* hero 底部指标条 */
.hero-strip{padding-bottom:26px;display:flex;justify-content:space-between;align-items:flex-end;width:min(var(--w),92vw);margin:0 auto}
.hero-dots{display:flex;gap:12px;align-items:center}
.hero-dots button{width:44px;height:4px;background:rgba(255,255,255,.3);border-radius:2px;position:relative;overflow:hidden;transition:background .3s}
.hero-dots button.on{background:rgba(255,255,255,.35)}
.hero-dots button.on::after{content:"";position:absolute;inset:0;background:var(--brand);transform-origin:left;animation:dotFill 6s linear forwards}
@keyframes dotFill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.hero-num{display:flex;align-items:baseline;gap:10px}
.hero-num b{font-family:var(--font-num);font-size:34px;font-weight:700;color:#fff;line-height:1}
.hero-num b i{font-style:normal;font-size:16px;color:var(--brand);font-weight:600;margin-left:2px}
.hero-num span{font-size:14px;color:#d8d4cb;letter-spacing:.08em}

/* ---------- 数字实力板块 ---------- */
.power{background:var(--ink-deep);color:#dcd8d0;position:relative;overflow:hidden}
.power .sec-head h2{color:#fff}
.power .kicker{color:var(--brand)}
.power::before{
  content:"";position:absolute;top:-140px;right:-140px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(230,170,65,.13),transparent 65%);
}
.power-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:70px;align-items:center}
.power-video{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:16/10;background:#000}
.power-video video{width:100%;height:100%;object-fit:cover}
.power-video .pv-tag{
  position:absolute;left:0;top:22px;background:var(--brand);color:#1a1a1a;font-weight:700;font-size:13px;
  padding:8px 16px;border-radius:0 3px 3px 0;letter-spacing:.08em;
}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:0}
.stat{padding:26px 22px 30px;border-bottom:1px solid var(--line-dark);position:relative}
.stat:nth-child(odd){border-right:1px solid var(--line-dark)}
.stat:nth-last-child(-n+2){border-bottom:none}
.stat b{font-family:var(--font-num);font-size:clamp(46px,4.4vw,72px);font-weight:700;color:#fff;line-height:1;display:flex;align-items:baseline;gap:6px;letter-spacing:.01em;white-space:nowrap}
.stat b .num{font-weight:700;font-size:inherit}
/* 长数字（7 位以上）适当降级，避免溢出列宽 */
.stat.num-lg b{font-size:clamp(34px,3.4vw,54px)}
.stat b i{font-style:normal;font-size:.32em;color:var(--brand);font-weight:700;letter-spacing:.04em}
.stat span{display:block;margin-top:10px;font-size:14.5px;color:#d9d5cd;letter-spacing:.03em;font-weight:600}
.stat::after{content:"";position:absolute;left:22px;bottom:-1px;width:0;height:2px;background:var(--brand);transition:width .5s var(--ease)}
.stat:hover::after{width:calc(100% - 44px)}
.power-copy p{margin:22px 0 34px;color:#cfcbc2;font-size:15.5px}

/* 公司实力-简介右侧补充标 */
.power-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.power-tags .ptag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#e4e0d8;
  border:1px solid rgba(230,170,65,.4);padding:7px 14px;border-radius:4px;background:rgba(230,170,65,.08);
}

/* ---------- 产品 tabs（栏目切换） ---------- */
.cats{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:54px}
.cat-btn{
  padding:12px 26px;border:1.5px solid var(--line);border-radius:4px;font-size:15px;font-weight:600;
  color:var(--ink-2);background:#fff;transition:all .3s var(--ease);
}
.cat-btn:hover{border-color:var(--brand);color:var(--brand-deep)}
.cat-btn.on{background:var(--brand);border-color:var(--brand);color:#1a1a1a;box-shadow:0 8px 22px rgba(230,170,65,.3)}
.cat-pane{display:none;animation:fadeUp .5s var(--ease)}
.cat-pane.on{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* ---------- hover 展开手风琴（图片展开+文字） ---------- */
.acc{display:flex;gap:10px;height:460px}
.acc-item{
  position:relative;flex:1;border-radius:var(--radius);overflow:hidden;cursor:pointer;
  transition:flex 0.65s var(--ease);min-width:74px;
}
.acc-item:hover,.acc-item.on{flex:4.2}
.acc-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.acc-item:hover img{transform:scale(1.05)}
.acc-item .ai-shade{position:absolute;inset:0;background:linear-gradient(to top,rgba(12,12,12,.88) 0%,rgba(12,12,12,.25) 45%,rgba(12,12,12,.05) 75%)}
.acc-item .ai-body{
  position:absolute;left:0;right:0;bottom:0;padding:26px;color:#fff;display:flex;flex-direction:column;min-height:100%;
}
.acc-item .ai-idx{font-family:var(--font-num);font-size:14px;color:var(--brand);letter-spacing:.2em;margin-bottom:8px}
.acc-item .ai-name{font-size:19px;font-weight:800;writing-mode:horizontal-tb;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.acc-item .ai-more{
  max-width:0;opacity:0;transform:translateY(16px);transition:all .45s var(--ease) .12s;overflow:hidden;
}
.acc-item:hover .ai-more,.acc-item.on .ai-more{max-width:420px;opacity:1;transform:none}
.acc-item .ai-more p{margin-top:10px;font-size:13.8px;color:#ddd9d1;line-height:1.75}
.acc-item .ai-link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;color:var(--brand);font-size:13.5px;font-weight:700;letter-spacing:.06em}
.acc-item .ai-link svg{width:15px;height:15px}
.acc-item .ai-bar{
  position:absolute;top:0;left:0;right:0;height:4px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease);
}
.acc-item:hover .ai-bar{transform:scaleX(1)}

/* ---------- 卡片（产品/案例通用） ---------- */
.grid{display:grid;gap:26px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;position:relative;
  box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
.card .c-img{position:relative;overflow:hidden;aspect-ratio:4/3}
.card .c-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.card:hover .c-img img{transform:scale(1.08)}
.card .c-mask{
  position:absolute;inset:0;background:linear-gradient(to top,rgba(18,18,18,.85),rgba(18,18,18,.05) 55%);
  opacity:0;transition:opacity .45s var(--ease);
}
.card:hover .c-mask{opacity:1}
.card .c-hover-txt{
  position:absolute;left:0;right:0;bottom:0;padding:22px;color:#fff;
  transform:translateY(18px);opacity:0;transition:all .45s var(--ease) .05s;
}
.card:hover .c-hover-txt{transform:none;opacity:1}
.card .c-hover-txt p{font-size:13.5px;color:#e0dcd4;line-height:1.7}
.card .c-body{padding:22px 24px 24px}
.card .c-body h3{font-size:18.5px;font-weight:700;color:var(--ink-darkest)}
.card .c-body .c-en{font-family:var(--font-num);font-size:12px;letter-spacing:.16em;color:var(--ink-3);margin-top:5px;text-transform:uppercase}
.card .c-body .c-line{width:26px;height:3px;background:var(--brand);margin-top:14px;border-radius:2px;transition:width .4s var(--ease)}
.card:hover .c-body .c-line{width:52px}
.card .c-tag{
  position:absolute;top:16px;left:16px;background:rgba(230,170,65,.94);color:#1a1a1a;
  font-size:12.5px;font-weight:700;padding:6px 14px;border-radius:3px;letter-spacing:.05em;
}

/* ---------- 荣誉资质 ---------- */
.honor-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.cert{
  position:relative;border-radius:var(--radius);overflow:hidden;background:#fff;
  box-shadow:var(--shadow-sm);aspect-ratio:5/7;cursor:zoom-in;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.cert img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .5s var(--ease)}
.cert:hover{transform:translateY(-6px) scale(1.03);box-shadow:var(--shadow-md);z-index:2}
.cert::after{content:"";position:absolute;inset:0;border:1px solid rgba(0,0,0,.06);border-radius:inherit;pointer-events:none}
.honor-badges{display:flex;gap:14px;flex-wrap:wrap;margin-top:44px}
.badge{
  display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:4px;padding:12px 20px;font-size:14px;font-weight:600;color:var(--ink);
}
.badge svg{width:19px;height:19px;color:var(--brand-deep)}

/* 荣誉证书四张摆放（2×2） */
.cert-grid4{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px;align-self:start;
  max-width:500px;justify-self:center;
}
.cert-grid4 .cert{aspect-ratio:5/7;box-shadow:var(--shadow-md)}
.cert-grid4 .cert figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;color:#fff;font-size:12.5px;
  font-weight:600;letter-spacing:.04em;text-align:center;z-index:2;
  background:linear-gradient(to top,rgba(10,10,10,.82),transparent);
}

/* ---------- 实力荣誉（图文并茂） ---------- */
.strength{background:var(--paper);position:relative;overflow:hidden}
.strength::before{content:"";position:absolute;top:-120px;right:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(230,170,65,.14),transparent 70%);pointer-events:none}
.strength-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:64px;align-items:center}
.strength-photos{position:relative}
.sp-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.sp-grid a{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3.1;display:block;box-shadow:var(--shadow-md)}
.sp-grid img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.sp-grid a:hover img{transform:scale(1.07)}
.sp-grid a::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,10,10,.62),transparent 55%)}
.sp-grid .sp-cap{position:absolute;left:16px;right:16px;bottom:13px;color:#fff;font-size:13.5px;font-weight:600;z-index:2;letter-spacing:.03em;display:flex;align-items:center;gap:8px}
.sp-grid .sp-cap svg{width:15px;height:15px;color:var(--brand);flex:0 0 auto}
.strength-photos .sp-tag{
  position:absolute;top:-20px;right:-16px;z-index:3;background:var(--brand);color:#1a1a1a;
  border-radius:8px;padding:16px 22px;box-shadow:var(--shadow-lg);text-align:center;
}
[dir="rtl"] .strength-photos .sp-tag{right:auto;left:-16px}
.strength-photos .sp-tag b{font-family:var(--font-num);font-size:34px;font-weight:700;line-height:1;display:block}
.strength-photos .sp-tag span{display:block;font-size:12.5px;font-weight:700;margin-top:4px;letter-spacing:.06em}
.strength-copy .kicker{color:var(--brand-deep)}
.strength-copy h2{font-size:clamp(28px,3.2vw,42px);font-weight:800;color:var(--ink-darkest);line-height:1.25}
.strength-copy>p{margin:18px 0 0;color:var(--ink-2);font-size:15.5px;line-height:1.9}
.strength-list{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.strength-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px 18px;transition:all .3s var(--ease)}
.strength-item:hover{border-color:var(--brand);box-shadow:var(--shadow-sm);transform:translateY(-4px)}
.strength-item .si-ic{width:42px;height:42px;border-radius:8px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;color:var(--brand-deep);margin-bottom:12px}
.strength-item .si-ic svg{width:21px;height:21px}
.strength-item h4{font-size:15.5px;font-weight:800;color:var(--ink-darkest)}
.strength-item p{font-size:12.8px;color:var(--ink-3);margin-top:5px;line-height:1.65}
.strength-badges{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.strength-badges .badge{background:rgba(255,255,255,.9)}
.strength-badges .badge svg{color:var(--brand-deep)}
.strength-cta{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(10,10,10,.9);z-index:200;display:none;align-items:center;justify-content:center;padding:5vh 5vw}
.lightbox.open{display:flex}
.lightbox img{max-height:88vh;max-width:90vw;border-radius:6px;box-shadow:var(--shadow-lg)}
.lightbox .lb-close{position:absolute;top:26px;right:34px;color:#fff;font-size:34px;line-height:1;opacity:.8}
.lightbox .lb-close:hover{opacity:1;color:var(--brand)}

/* ---------- 新闻 ---------- */
.news-row{display:grid;grid-template-columns:1.25fr 1fr;gap:26px}
.news-feature{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:420px;display:flex;align-items:flex-end}
.news-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.news-feature:hover img{transform:scale(1.05)}
.news-feature .nf-shade{position:absolute;inset:0;background:linear-gradient(to top,rgba(12,12,12,.88),rgba(12,12,12,.1) 60%)}
.news-feature .nf-body{position:relative;z-index:2;padding:34px;color:#fff}
.news-feature .nf-date{font-family:var(--font-num);color:var(--brand);font-size:14px;letter-spacing:.14em}
.news-feature h3{font-size:24px;font-weight:800;margin:10px 0 12px}
.news-feature p{color:#d9d5cd;font-size:14.5px}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{
  display:flex;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;transition:all .35s var(--ease);
}
.news-item:hover{border-color:var(--brand);box-shadow:var(--shadow-sm);transform:translateX(6px)}
[dir="rtl"] .news-item:hover{transform:translateX(-6px)}
.news-item .ni-date{
  flex:0 0 auto;text-align:center;background:var(--paper);border-radius:6px;padding:10px 14px;min-width:74px;
}
.news-item .ni-date b{font-family:var(--font-num);font-size:26px;color:var(--ink-darkest);line-height:1}
.news-item .ni-date span{display:block;font-size:11.5px;color:var(--ink-3);margin-top:3px}
.news-item h4{font-size:16.5px;font-weight:700;color:var(--ink-darkest);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item p{font-size:13px;color:var(--ink-3);margin-top:6px}

/* ---------- 页脚（参考 ordro） ---------- */
.footer{background:#1e1e1e;color:#b8b4ac;font-size:14px}
.footer-main{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:50px;padding:74px 0 54px}
.footer h5{color:#fff;font-size:16.5px;font-weight:700;margin-bottom:22px;position:relative;padding-bottom:14px}
.footer h5::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:3px;background:var(--brand);border-radius:2px}
[dir="rtl"] .footer h5::after{left:auto;right:0}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{color:#a5a199;display:inline-flex;align-items:center;gap:8px}
.footer-col ul a::before{content:"";width:4px;height:4px;background:var(--brand);border-radius:50%;opacity:.6}
.footer-col ul a:hover{color:var(--brand)}
.footer-brand img{height:52px;width:auto;background:#fff;border-radius:6px;padding:7px}
.footer-brand p{margin:18px 0 8px;font-size:13.5px;line-height:1.8;color:#9c988f}
.footer-brand .est{font-family:var(--font-num);color:var(--brand);letter-spacing:.16em;font-size:12px;text-transform:uppercase}
.qr-row{display:flex;gap:26px;align-items:flex-start}
.qr{ text-align:center}
.qr .qr-frame{background:#fff;padding:8px;border-radius:8px;width:118px}
.qr img{width:100%;aspect-ratio:1/1;object-fit:contain;border-radius:4px}
.qr span{display:block;margin-top:9px;font-size:12.5px;color:#a5a199}
.footer-contact li{display:flex;gap:11px;margin-bottom:13px;align-items:flex-start;color:#a5a199}
.footer-contact svg{width:17px;height:17px;color:var(--brand);flex:0 0 auto;margin-top:4px}
.footer-contact a:hover{color:var(--brand)}
.footer-bar{border-top:1px solid rgba(255,255,255,.09);padding:22px 0}
.footer-bar .wrap{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-size:12.8px;color:#8b877f}
.footer-bar a:hover{color:var(--brand)}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}

/* 浮动回到顶部 */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:80;width:48px;height:48px;border-radius:6px;
  background:#fff;box-shadow:var(--shadow-md);border:none;display:none;align-items:center;justify-content:center;
  color:var(--ink);cursor:pointer;transition:all .3s var(--ease);
}
.to-top.show{display:flex}
.to-top:hover{background:var(--brand);color:#1a1a1a;transform:translateY(-3px)}
.to-top svg{width:21px;height:21px}

/* 动效 */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.vis{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-link{padding:0 12px;font-size:14.5px}
  .honor-grid{grid-template-columns:repeat(4,1fr)}
  .footer-main{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:1024px){
  .power-grid{grid-template-columns:1fr;gap:44px}
  .strength-grid{grid-template-columns:1fr;gap:48px}
  .strength-photos .sp-tag{top:auto;bottom:-16px;right:14px}
  .cert-grid4{max-width:440px}
  .hero-num{display:none}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .news-row{grid-template-columns:1fr}
  .acc{height:400px}
  .nav-menu{
    position:fixed;inset:0 auto 0 0;width:min(400px,88vw);background:#fff;z-index:70;
    flex-direction:column;align-items:stretch;padding:90px 28px 40px;gap:0;
    transform:translateX(-102%);transition:transform .4s var(--ease);overflow-y:auto;box-shadow:var(--shadow-lg);
  }
  [dir="rtl"] .nav-menu{inset:0 0 0 auto;transform:translateX(102%)}
  .nav-menu.open{transform:none}
  .nav .lang-item{border-bottom:1px solid var(--line)}
  .nav .lang-box{width:100%;margin-left:0;padding:16px 4px}
  .nav .lang-menu{position:static;box-shadow:none;border:1px solid var(--line);min-width:0}
  .nav-item{height:auto;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}
  .nav-link{height:58px;justify-content:space-between;width:100%}
  .nav-link::after{display:none}
  .mega,.dropdown{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;width:100%;padding:0 0 16px;display:none;grid-template-columns:1fr}
  [dir="rtl"] .mega{transform:none}
  .nav-item.expanded .mega,.nav-item.expanded .dropdown{display:grid}
  .burger{display:flex;z-index:75}
  .nav-menu.open ~ .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .topbar-left{display:none}
  .hero-txt h1{font-size:clamp(36px,7.5vw,60px)}
}
@media (max-width:720px){
  .sec{padding:76px 0}
  .g3,.g4,.grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat b{font-size:clamp(36px,8.4vw,48px)}
  .stat.num-lg b{font-size:clamp(25px,6vw,35px)}
  .stat:nth-child(odd){border-right:none}
  .stat{border-right:none!important;border-bottom:1px solid var(--line-dark)}
  .stat:nth-last-child(-n+2){border-bottom:1px solid var(--line-dark)}
  .stat:last-child{border-bottom:none}
  .acc{flex-direction:column;height:auto;gap:12px}
  .acc-item{min-height:86px;flex:none;transition:min-height .6s var(--ease)}
  .acc-item:hover,.acc-item.on{min-height:330px}
  .acc-item .ai-name{white-space:normal}
  .honor-grid{grid-template-columns:repeat(2,1fr)}
  .footer-main{grid-template-columns:1fr;padding:54px 0 40px}
  .hero-strip{padding-bottom:24px}
  .hero-num{display:none}
  .power-grid .power-video{aspect-ratio:4/3}
  .qr-row{flex-wrap:wrap}
}

@media (max-width:860px){
  .to-top{right:14px;bottom:14px;width:42px;height:42px}
}