/* ======================================================================
   福建强纶新材官网 - 黑金工业风格样式表（仿 c-frt.com 版式）
   色彩：黑 + 金黄强调 + 蓝色辅助，突出金属纤维重工业气质
   ====================================================================== */

:root{
  --c-gold:#eaca02;         /* 金黄主强调色 */
  --c-gold-d:#c9a900;       /* 金黄深色 */
  --c-blue:#409eff;         /* 辅助蓝（胶囊按钮） */
  --c-blue-d:#2b85e4;
  --c-black:#000;
  --c-dark:#1a1a1a;         /* 深色块 */
  --c-ink:#222;             /* 标题色 */
  --c-text:#333;            /* 正文色 */
  --c-steel:#555;
  --c-muted:#888;
  --c-line:#e6e6e6;
  --c-bg:#fff;
  --c-bg-2:#f7f7f7;
  --shadow-sm:0 2px 10px rgba(0,0,0,.06);
  --shadow-md:0 10px 30px rgba(0,0,0,.12);
  --radius:4px;
  --maxw:1240px;
  --header-h:84px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Microsoft YaHei","PingFang SC","Segoe UI",system-ui,Arial,sans-serif;
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
img{max-width:100%;display:block}
ul{list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sec{padding:88px 0}
.sec-tit{font-size:clamp(26px,4vw,44px);font-weight:700;color:var(--c-ink);text-align:center;letter-spacing:1px}
.sec-sub{color:var(--c-muted);text-align:center;max-width:780px;margin:0 auto 56px;font-size:16px}
.sec-line{width:56px;height:3px;background:var(--c-gold);margin:18px auto 0}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:4px;text-transform:uppercase;color:var(--c-gold-d);font-weight:700;margin-bottom:12px}

/* 胶囊按钮（仿 c-frt 圆角 30px） */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 36px;border-radius:30px;font-weight:600;font-size:15px;cursor:pointer;border:2px solid transparent;transition:all .3s var(--ease);white-space:nowrap}
.btn-primary{background:var(--c-blue);color:#fff}
.btn-primary:hover{background:var(--c-blue-d);transform:translateY(-2px);box-shadow:0 8px 22px rgba(64,158,255,.4)}
.btn-gold{background:var(--c-gold);color:#111}
.btn-gold:hover{background:var(--c-gold-d);color:#000;transform:translateY(-2px);box-shadow:0 8px 22px rgba(234,202,2,.35)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.85)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-line{background:transparent;color:var(--c-ink);border-color:var(--c-ink)}
.btn-line:hover{background:var(--c-ink);color:#fff}

/* ----------------- 主头部 / 导航（固定悬浮于 Banner 之上） ----------------- */
.header{position:fixed;top:0;left:0;right:0;z-index:100;background:transparent;transition:background .35s var(--ease)}
.header.scrolled,.header-solid{background:rgba(10,10,10,.92);backdrop-filter:blur(10px);box-shadow:0 2px 18px rgba(0,0,0,.25)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
/* 内页（无全屏 Banner）需要给固定头部让位 */
body.inner{padding-top:var(--header-h)}
.logo{display:flex;align-items:center;gap:12px;color:#fff}
.logo .logo-img{width:46px;height:46px;flex:0 0 46px;object-fit:contain}
.logo .txt b{display:block;font-size:20px;letter-spacing:2px;line-height:1.2}
.logo .txt small{font-size:11px;color:rgba(255,255,255,.65);letter-spacing:1.5px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:2px}
.nav a{color:#fff;padding:10px 15px;font-size:17px;font-weight:700;position:relative}
.nav a:after{content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;background:var(--c-gold);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav a:hover,.nav a.active{color:var(--c-gold)}
.nav a:hover:after,.nav a.active:after{transform:scaleX(1)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:#fff;transition:.3s}
.nav-toggle.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.on span:nth-child(2){opacity:0}
.nav-toggle.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* 头部右侧：语言切换 + 热线 */
.hd-right{display:flex;align-items:center;gap:18px}
.hd-tel{display:flex;align-items:center;gap:8px;color:#fff;font-size:15px;font-weight:700}
.hd-tel svg{color:var(--c-gold)}
.hd-tel:hover{color:var(--c-gold)}
/* 语言切换按钮（单击切换中/英） */
.lang-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border:1px solid rgba(255,255,255,.4);border-radius:20px;font-size:12.5px;font-weight:700;color:#fff;letter-spacing:.5px;transition:all .25s var(--ease)}
.lang-btn:hover{background:var(--c-gold);border-color:var(--c-gold);color:#111}

/* ----------------- Hero 全屏轮播 ----------------- */
.hero{position:relative;height:100vh;min-height:600px;max-height:860px;overflow:hidden;background:var(--c-black);perspective:1400px}
/* 基础态不可见；入场 = .on + fx-xxx（随机），出场 = fx-xxx-out，均由动画驱动 */
.hero .slide{position:absolute;inset:0;opacity:0;background-size:cover;background-position:center;will-change:transform,opacity;backface-visibility:hidden}
.hero .slide.on{opacity:1}
.hero .slide:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,.35) 45%,rgba(0,0,0,.65) 100%)}
/* 切换瞬间的金色扫光：一道斜向光带从左掠到右 */
.hero .slide.on:before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(105deg,transparent 42%,rgba(234,202,2,.16) 50%,transparent 58%);transform:translateX(-130%) skewX(-8deg);animation:heroShine 1.4s .35s ease-out forwards}
@keyframes heroShine{to{transform:translateX(130%) skewX(-8deg)}}

/* ---- 6 种仿安卓桌面翻页特效（入场 0.95s；退场为纯淡出不缩放，画面静止） ---- */
/* 1. flip：Y 轴立方体翻转（安卓经典） */
.hero .slide.on.fx-flip{animation:fxFlipIn .95s var(--ease) both;transform-origin:left center}
.hero .slide.fx-flip-out{animation:fxFadeOut .8s var(--ease) forwards;transform-origin:left center}
@keyframes fxFlipIn{from{opacity:.35;transform:rotateY(-70deg)}to{opacity:1;transform:rotateY(0)}}
/* 2. cube：X 轴立方体从底部翻起 */
.hero .slide.on.fx-cube{animation:fxCubeIn .95s var(--ease) both;transform-origin:center bottom}
.hero .slide.fx-cube-out{animation:fxFadeOut .8s var(--ease) forwards;transform-origin:center bottom}
@keyframes fxCubeIn{from{opacity:.35;transform:rotateX(70deg)}to{opacity:1;transform:rotateX(0)}}
/* 3. slide：横向推入带过冲回弹（安卓桌面默认滑页） */
.hero .slide.on.fx-slide{animation:fxSlideIn .95s var(--ease) both}
.hero .slide.fx-slide-out{animation:fxFadeOut .8s var(--ease) forwards}
@keyframes fxSlideIn{from{opacity:.6;transform:translateX(100%)}60%{opacity:1;transform:translateX(-2.5%)}to{transform:translateX(0)}}
/* 4. zoom：缩放淡入 */
.hero .slide.on.fx-zoom{animation:fxZoomIn .95s var(--ease) both}
.hero .slide.fx-zoom-out{animation:fxFadeOut .8s var(--ease) forwards}
@keyframes fxZoomIn{from{opacity:0;transform:scale(1.22)}to{opacity:1;transform:scale(1)}}
/* 5. iris：圆形光圈绽放展开 */
.hero .slide.on.fx-iris{animation:fxIrisIn .95s var(--ease) both}
.hero .slide.fx-iris-out{animation:fxFadeOut .8s var(--ease) forwards}
@keyframes fxIrisIn{from{opacity:.5;clip-path:circle(0% at 50% 50%)}to{opacity:1;clip-path:circle(80% at 50% 50%)}}
/* 6. blur：模糊缩放淡入 */
.hero .slide.on.fx-blur{animation:fxBlurIn 1.05s var(--ease) both}
.hero .slide.fx-blur-out{animation:fxFadeOut .8s var(--ease) forwards}
@keyframes fxBlurIn{from{opacity:0;transform:scale(1.15);filter:blur(14px)}to{opacity:1;transform:scale(1);filter:blur(0)}}
/* 旧图统一纯淡出（不再缩放"飞离"） */
@keyframes fxFadeOut{to{opacity:0}}
.hero-inner{position:relative;z-index:2;height:100%;color:#fff}
/* 多标题叠放：文字随轮播错落上滑入场 */
.hero-cap{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:100%;max-width:900px;padding:0 20px;text-align:center;opacity:0;transition:opacity .7s var(--ease);pointer-events:none}
.hero-cap.on{opacity:1;pointer-events:auto}
/* h1 / p / 按钮依次入场（配合 .on 添加时触发，移除时随容器整体淡出） */
.hero-cap h1,.hero-cap p,.hero-cap .hero-btns{opacity:0}
.hero-cap.on h1{animation:capUp .85s .12s var(--ease) forwards}
.hero-cap.on p{animation:capUp .85s .3s var(--ease) forwards}
.hero-cap.on .hero-btns{animation:capUp .85s .48s var(--ease) forwards}
@keyframes capUp{from{opacity:0;transform:translateY(38px)}to{opacity:1;transform:none}}
.hero-cap .en-name{display:block;font-size:14px;letter-spacing:6px;color:rgba(255,255,255,.75);text-transform:uppercase;margin-bottom:18px}
/* 标题强制单行：超长时自动缩小字号适配宽度 */
.hero-cap h1{font-size:clamp(30px,5vw,56px);line-height:1.3;font-weight:800;letter-spacing:2px;margin-bottom:22px;text-shadow:0 4px 24px rgba(0,0,0,.5);white-space:nowrap;overflow:visible}
.hero-cap .gold{color:var(--c-gold)}
.hero-cap p{font-size:17px;color:rgba(255,255,255,.85);margin-bottom:36px;letter-spacing:.5px}
.hero-btns{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:56px;left:0;right:0;display:flex;justify-content:center;gap:10px;z-index:3}
.hero-dots button{width:38px;height:4px;border:0;background:rgba(255,255,255,.35);cursor:pointer;transition:.3s;border-radius:2px}
.hero-dots button.on{background:var(--c-gold);width:56px}
/* 左右切换箭头 */
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:52px;height:52px;border:1px solid rgba(255,255,255,.35);background:rgba(0,0,0,.2);color:#fff;font-size:22px;cursor:pointer;transition:all .3s var(--ease);display:flex;align-items:center;justify-content:center}
.hero-arrow:hover{background:var(--c-gold);border-color:var(--c-gold);color:#111}
.hero-arrow.prev{left:26px}
.hero-arrow.next{right:26px}
/* scroll down 提示 */
.hero-scroll{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);z-index:3;color:rgba(255,255,255,.7);font-size:11px;letter-spacing:3px;text-transform:uppercase;text-align:center}
.hero-scroll:before{content:"";display:block;width:1px;height:26px;background:linear-gradient(180deg,var(--c-gold),transparent);margin:0 auto 6px;animation:scrollDown 1.6s infinite}
@keyframes scrollDown{0%{transform:scaleY(0);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}56%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ----------------- 产品分类导航条（Banner 正下方） ----------------- */
.prod-nav{background:#111;border-top:1px solid rgba(255,255,255,.06)}
.prod-nav .wrap{display:flex;justify-content:center;flex-wrap:wrap}
.prod-nav a{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:150px;padding:26px 24px;color:rgba(255,255,255,.8);font-size:15px;font-weight:600;border-right:1px solid rgba(255,255,255,.08);transition:all .3s var(--ease)}
.prod-nav a:last-child{border-right:0}
.prod-nav a svg{color:var(--c-gold);transition:transform .3s var(--ease)}
.prod-nav a:hover{color:var(--c-gold);background:rgba(234,202,2,.06)}
.prod-nav a:hover svg{transform:translateY(-4px)}

/* ----------------- 产品展示 ----------------- */
.prod-sec{background:var(--c-bg)}
.prod-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pcard{background:#fff;border:1px solid var(--c-line);overflow:hidden;transition:all .3s var(--ease);display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.pcard .pic{aspect-ratio:4/3;overflow:hidden;background:#f0f0f0;position:relative}
.pcard .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.pcard:hover .pic img{transform:scale(1.06)}
.pcard .body{padding:20px 20px 24px;flex:1;display:flex;flex-direction:column;border-top:3px solid transparent;transition:border .3s}
.pcard:hover .body{border-top-color:var(--c-gold)}
.pcard .tag{display:inline-block;font-size:11px;color:var(--c-gold-d);font-weight:700;letter-spacing:1px;margin-bottom:8px;text-transform:uppercase}
.pcard h3{font-size:16px;font-weight:700;color:var(--c-ink);line-height:1.45;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard .desc{font-size:13px;color:var(--c-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.pcard .more{margin-top:14px;font-size:13px;font-weight:700;color:var(--c-ink);display:inline-flex;align-items:center;gap:6px}
.pcard .more:after{content:"→";transition:transform .3s var(--ease)}
.pcard:hover .more{color:var(--c-gold-d)}
.pcard:hover .more:after{transform:translateX(4px)}
.badge{position:absolute;top:12px;left:12px;background:var(--c-gold);color:#111;font-size:11px;padding:3px 10px;font-weight:700;z-index:2}
.pic{position:relative}
/* 首页产品分类网格（产品中心入口） */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:48px}
.prod-cat{display:flex;flex-direction:column;align-items:center;gap:14px;padding:32px 16px;background:#fff;border:1px solid var(--c-line);transition:all .3s var(--ease);text-align:center}
.prod-cat:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--c-gold)}
.prod-cat .ic{width:66px;height:66px;border-radius:50%;background:#fafafa;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;color:var(--c-ink);transition:all .3s}
.prod-cat:hover .ic{background:var(--c-gold);border-color:var(--c-gold);color:#111}
.prod-cat h4{font-size:16px;font-weight:700;color:var(--c-ink)}
.prod-cat small{color:var(--c-muted);font-size:13px}

/* ----------------- 应用领域（背景图 + 图标） ----------------- */
.app-sec{position:relative;color:#fff;background:#111}
.app-sec .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28}
.app-sec .veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(0,0,0,.9),rgba(0,0,0,.55))}
.app-sec .wrap{position:relative;z-index:2}
.app-sec .sec-tit{color:#fff}
.app-sec .sec-sub{color:rgba(255,255,255,.7)}
.app-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
/* 卡片背景图模式：applications 表 image 字段作为背景，深色遮罩保证文字可读 */
.app-item{position:relative;display:flex;flex-direction:column;align-items:center;gap:14px;padding:38px 16px 34px;background-color:rgba(255,255,255,.05);background-size:cover;background-position:center;border:1px solid rgba(255,255,255,.12);transition:all .35s var(--ease);text-align:center;overflow:hidden}
.app-item:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.78));transition:background .35s}
.app-item>*{position:relative;z-index:2}
.app-item .ic{width:74px;height:74px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(0,0,0,.25);display:flex;align-items:center;justify-content:center;color:#fff;transition:all .35s var(--ease)}
.app-item h4{font-size:17px;font-weight:700;color:#fff}
.app-item p{font-size:12.5px;color:rgba(255,255,255,.75);line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.app-item:hover{border-color:var(--c-gold);transform:translateY(-6px)}
.app-item:hover:before{background:linear-gradient(180deg,rgba(0,0,0,.35),rgba(0,0,0,.6))}
.app-item:hover .ic{background:var(--c-gold);border-color:var(--c-gold);color:#111}

/* ----------------- 应用领域详情（qlfiber 风格：图文交错大行） ----------------- */
.app-detail-list{display:flex;flex-direction:column;gap:24px}
.app-detail-row{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;background:#fff;border:1px solid var(--c-line);overflow:hidden}
.app-detail-row.app-row-rev .app-detail-image{order:2}
.app-detail-row.app-row-rev .app-detail-content{order:1}
.app-detail-image{min-height:360px;background-size:cover;background-position:center;background-color:#111;display:flex;align-items:center;justify-content:center}
.app-detail-image-icon{width:96px;height:96px;border-radius:50%;background:rgba(234,202,2,.92);color:#111;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.app-detail-image-icon svg{width:44px;height:44px}
.app-detail-content{padding:48px 52px;position:relative}
.app-detail-no{position:absolute;top:26px;right:36px;font-family:Impact,"Arial Narrow",sans-serif;font-size:64px;line-height:1;color:rgba(34,34,34,.07);letter-spacing:2px}
.app-detail-content h2{font-size:26px;font-weight:800;color:var(--c-ink);margin-bottom:16px;letter-spacing:.5px}
.app-detail-content>p{color:var(--c-steel);font-size:15px;line-height:1.9;margin-bottom:20px}
.app-products{display:flex;flex-wrap:wrap;gap:10px}
.app-product-tag{display:inline-block;padding:7px 16px;border:1px solid var(--c-line);background:var(--c-bg-2);color:var(--c-ink);font-size:13px;font-weight:600;border-radius:3px;transition:all .25s}
.app-product-tag:hover{border-color:var(--c-gold);background:rgba(234,202,2,.1)}

/* ----------------- 关于我们（纯黑背景 + 金色标题） ----------------- */
.about{background:var(--c-black);color:#fff;position:relative;overflow:hidden}
.about:before{content:"";position:absolute;right:-140px;top:-140px;width:460px;height:460px;border:1px solid rgba(234,202,2,.15);border-radius:50%}
.about:after{content:"";position:absolute;right:-60px;top:-60px;width:300px;height:300px;border:1px solid rgba(234,202,2,.1);border-radius:50%}
.about .grid{display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:center;position:relative;z-index:2}
.about .en-tit{font-size:clamp(30px,4vw,52px);font-weight:800;color:var(--c-gold);letter-spacing:2px;line-height:1.2;margin-bottom:6px}
.about .cn-tit{font-size:20px;font-weight:700;color:#fff;margin-bottom:22px;letter-spacing:1px}
.about p{color:rgba(255,255,255,.75);margin-bottom:16px;font-size:15px;line-height:1.95}
.about .honor-chips{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 30px}
.about .honor-chips span{font-size:12.5px;color:var(--c-gold);border:1px solid rgba(234,202,2,.45);padding:5px 14px;border-radius:20px}
.about .pic{position:relative;overflow:hidden;aspect-ratio:4/3;border:1px solid rgba(255,255,255,.12)}
.about .pic img{width:100%;height:100%;object-fit:cover}
.about .pic .float{position:absolute;left:0;bottom:0;background:var(--c-gold);color:#111;padding:20px 28px;font-weight:800}
.about .pic .float b{font-size:34px;display:block;line-height:1}
.about .pic .float small{font-size:13px;font-weight:600}

/* ----------------- 数据统计带 ----------------- */
.stats-band{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.stats-band .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:70px;padding-bottom:70px}
.stat{text-align:center;position:relative}
.stat:not(:first-child):before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:64px;background:var(--c-line)}
.stat .num{font-family:Impact,"Arial Narrow","Microsoft YaHei",sans-serif;font-size:clamp(38px,5vw,58px);color:var(--c-ink);line-height:1;letter-spacing:1px}
.stat .num small{font-size:.55em;color:var(--c-gold-d);margin-left:2px}
.stat .lab{margin-top:10px;color:var(--c-muted);font-size:14px}

/* ----------------- 新闻资讯（头条 + 列表） ----------------- */
.news{background:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.ncard{border:1px solid var(--c-line);overflow:hidden;background:#fff;transition:all .3s var(--ease);display:flex;flex-direction:column}
.ncard:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.ncard .pic{aspect-ratio:16/9;overflow:hidden;background:#f0f0f0}
.ncard .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.ncard:hover .pic img{transform:scale(1.05)}
.ncard .body{padding:22px 24px;flex:1;display:flex;flex-direction:column}
.ncard .date{font-size:13px;color:var(--c-gold-d);font-weight:700;margin-bottom:8px;letter-spacing:1px}
.ncard h3{font-size:17px;font-weight:700;color:var(--c-ink);line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ncard .sum{font-size:13px;color:var(--c-muted);line-height:1.65;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.ncard .more{margin-top:14px;font-size:13px;font-weight:700;color:var(--c-ink)}
.ncard:hover .more{color:var(--c-gold-d)}

/* ----------------- 新闻列表（qlfiber 风格：日期块 + 标题 + 摘要） ----------------- */
.news-list{display:flex;flex-direction:column}
.news-item{display:flex;gap:32px;padding:28px 0;border-bottom:1px solid var(--c-line);transition:padding .2s}
.news-item:hover{padding-left:8px}
.news-item-date{flex-shrink:0;width:80px;text-align:center;border-right:1px solid var(--c-line);padding-right:24px}
.news-day{display:block;font-family:Impact,"Arial Narrow","Microsoft YaHei",sans-serif;font-size:36px;font-weight:700;color:var(--c-ink);line-height:1}
.news-month{display:block;font-size:13px;color:var(--c-muted);margin-top:6px;letter-spacing:.05em}
.news-item-body{flex:1}
.news-item-title{font-size:19px;font-weight:700;color:var(--c-ink);margin-bottom:8px;line-height:1.4}
.news-item:hover .news-item-title{color:var(--c-gold-d)}
.news-item-summary{font-size:14px;color:var(--c-steel);margin-bottom:12px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item-link{font-size:14px;font-weight:700;color:var(--c-gold-d);letter-spacing:.04em;text-transform:uppercase}
.news-item:hover .news-item-link{text-decoration:underline}

/* 阅读原文链接（外链导入的新闻） */
.article-source{margin-top:32px;padding-top:20px;border-top:1px solid var(--c-line)}
.article-source a{color:var(--c-gold-d);font-size:14px;font-weight:700;letter-spacing:.04em}
.article-source a:hover{text-decoration:underline}
/* 外链导入正文中的图片自适应 */
.article .content img{max-width:100%;height:auto;border-radius:4px;margin:10px 0}
/* 首页头条大图 + 侧栏两条 */
.news-feat{display:grid;grid-template-columns:1.25fr 1fr;gap:28px;margin-bottom:0}
.news-feat .nf-big{position:relative;overflow:hidden;min-height:380px;display:block}
.news-feat .nf-big img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.news-feat .nf-big:hover img{transform:scale(1.05)}
.news-feat .nf-big .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 30%,rgba(0,0,0,.85) 100%)}
.news-feat .nf-big .cap{position:absolute;left:0;right:0;bottom:0;padding:28px;color:#fff;z-index:2}
.news-feat .nf-big .date{color:var(--c-gold);font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:8px}
.news-feat .nf-big h3{font-size:22px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feat .nf-side{display:flex;flex-direction:column;gap:20px}
.news-feat .nf-item{display:flex;gap:16px;padding:20px;border:1px solid var(--c-line);flex:1;transition:all .3s var(--ease);align-items:center}
.news-feat .nf-item:hover{border-color:var(--c-gold);box-shadow:var(--shadow-sm)}
.news-feat .nf-item .pic{width:130px;flex:0 0 130px;aspect-ratio:4/3;overflow:hidden;background:#f0f0f0}
.news-feat .nf-item .pic img{width:100%;height:100%;object-fit:cover}
.news-feat .nf-item .date{font-size:12px;color:var(--c-gold-d);font-weight:700;margin-bottom:6px}
.news-feat .nf-item h4{font-size:15px;font-weight:700;color:var(--c-ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ----------------- 联系 CTA（深灰 + 金色按钮） ----------------- */
.cta{position:relative;color:#fff;text-align:center;padding:90px 0;overflow:hidden;background:var(--c-dark)}
.cta:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,#111 0%,#1f1f1f 100%)}
.cta:after{content:"";position:absolute;left:50%;top:0;transform:translateX(-50%);width:56px;height:3px;background:var(--c-gold)}
.cta .wrap{position:relative;z-index:2}
.cta h2{font-size:clamp(24px,3.4vw,36px);font-weight:800;margin-bottom:14px;letter-spacing:1px}
.cta p{color:rgba(255,255,255,.7);max-width:680px;margin:0 auto 34px;font-size:16px}
.cta-btns{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}

/* ----------------- 页脚 ----------------- */
.footer{background:#161616;color:#9a9a9a;padding:64px 0 0}
.footer .grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer .brand .logo{margin-bottom:20px}
.footer p{font-size:13px;line-height:1.85;color:#8a8a8a}
.footer h5{color:#fff;font-size:15px;margin-bottom:20px;font-weight:600;position:relative;padding-bottom:12px}
.footer h5:after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--c-gold)}
.footer h5.mt{margin-top:28px}
.footer ul li{margin-bottom:12px;font-size:13px}
.footer ul li a:hover{color:var(--c-gold)}
.footer .contact li{display:flex;gap:10px;align-items:flex-start}
.footer .contact li svg{color:var(--c-gold);flex:0 0 24px;margin-top:3px}
.footer .contact li b{color:#ccc}
.footer .bottom{padding:22px 0;text-align:center;font-size:12px;color:#666;border-top:1px solid rgba(255,255,255,.05)}
.footer .bottom a:hover{color:var(--c-gold)}
/* ICP 备案号 */
.footer-icp{margin-left:14px}
/* 外链小箭头 */
.ext-ico{font-size:11px;margin-left:3px;opacity:.7}

/* ----------------- 页脚电商采购 ----------------- */
.footer-shop{display:flex;flex-direction:column;gap:10px}
.footer-shop .shop-link{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);transition:all .25s;font-size:14px;color:#ccc}
.footer-shop .shop-link:hover{border-color:var(--c-gold);color:#fff}
.footer-shop .shop-tag{font-size:10px;font-weight:700;padding:3px 7px;border-radius:2px;letter-spacing:.08em}
.footer-shop .shop-taobao .shop-tag{background:#ff5000;color:#fff}
.footer-shop .shop-1688 .shop-tag{background:#ff6a00;color:#fff}

/* ----------------- 页脚社交二维码 dock ----------------- */
.social-dock{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.social-icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.15);border-radius:50%;cursor:pointer;transition:all .25s;background:transparent;color:#bbb}
.social-icon-btn img{width:22px;height:22px;object-fit:contain}
.social-icon-btn .social-fallback{font-size:13px;font-weight:700;color:#ddd}
.social-icon-btn:hover{transform:translateY(-3px) scale(1.08);border-color:var(--c-gold);color:var(--c-gold)}

/* ----------------- 友情链接 ----------------- */
.footer-friend-links{border-top:1px solid rgba(255,255,255,.06);padding:16px 0;display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px}
.friend-links-title{font-size:13px;color:rgba(255,255,255,.4);flex-shrink:0}
.footer-friend-links a{font-size:13px;color:rgba(255,255,255,.5);transition:color .2s}
.footer-friend-links a:hover{color:var(--c-gold)}

/* ----------------- 二维码悬浮卡片（hover 显示） ----------------- */
.qr-popover{position:fixed;z-index:1000;display:none;background:#fff;border-radius:8px;padding:14px;box-shadow:0 12px 32px rgba(0,0,0,.25);text-align:center;min-width:180px}
.qr-popover.show{display:block;animation:qrFade .18s ease-out}
@keyframes qrFade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.qr-popover-title{font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.qr-popover-img-wrap{width:160px;height:160px;margin:0 auto;border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden;background:#fff}
.qr-popover-img-wrap img{width:100%;height:100%;object-fit:contain;display:block}

/* ----------------- 返回顶部 ----------------- */
.back-top{position:fixed;right:24px;bottom:24px;z-index:90;width:44px;height:44px;background:var(--c-ink);color:#fff;border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s;cursor:pointer}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--c-gold);color:#111;border-color:var(--c-gold)}

/* ----------------- 面包屑 ----------------- */
.crumb{background:var(--c-dark);color:#999;padding:16px 0}
.crumb .wrap{display:flex;align-items:center;gap:8px;font-size:13px}
.crumb a:hover{color:var(--c-gold)}
.crumb .sep{opacity:.5}
.crumb .cur{color:#fff}

/* ----------------- 通用页头 banner ----------------- */
.page-banner{position:relative;height:320px;background:var(--c-black);overflow:hidden;display:flex;align-items:center;color:#fff}
.page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(0,0,0,.88),rgba(0,0,0,.5));z-index:1}
.page-banner .wrap{position:relative;z-index:2}
.page-banner h1{font-size:clamp(28px,4vw,40px);font-weight:800;margin-bottom:10px;letter-spacing:1px}
.page-banner p{color:rgba(255,255,255,.75);font-size:16px;max-width:620px}
.page-banner .pattern{position:absolute;right:0;top:0;width:55%;height:100%;opacity:.3;z-index:1}
.page-banner:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:3px;background:linear-gradient(90deg,var(--c-gold),transparent);z-index:2}

/* ----------------- 内容页 / 详情 ----------------- */
.detail{padding:64px 0}
.detail .grid{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:start}
.detail .pic{overflow:hidden;box-shadow:var(--shadow-md);background:#f0f0f0;aspect-ratio:4/3}
.detail .pic img{width:100%;height:100%;object-fit:cover}
.detail h1{font-size:28px;font-weight:800;color:var(--c-ink);margin-bottom:14px;line-height:1.35}
.detail .meta{color:var(--c-muted);font-size:14px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--c-line)}
.detail .meta span{margin-right:18px}
.detail .meta b{color:var(--c-gold-d)}
.detail .desc{color:var(--c-steel);line-height:1.95;font-size:15px;margin-bottom:16px}

/* ----------------- 产品详情：多图画廊（图片/视频混排） ----------------- */
.p-gallery{position:relative}
.pg-main{position:relative;aspect-ratio:4/3;background:#f0f0f0;overflow:hidden;box-shadow:var(--shadow-md)}
.pg-main .pg-img,.pg-main .pg-video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#111}
.pg-main .hide{display:none}
.pg-counter{position:absolute;right:10px;bottom:10px;z-index:2;background:rgba(0,0,0,.55);color:#fff;font-size:12px;padding:2px 10px;border-radius:12px}
.pg-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:38px;height:38px;border:1px solid rgba(255,255,255,.4);background:rgba(0,0,0,.35);color:#fff;font-size:16px;cursor:pointer;transition:all .25s var(--ease);display:flex;align-items:center;justify-content:center}
.pg-arrow:hover{background:var(--c-gold);border-color:var(--c-gold);color:#111}
.pg-arrow.prev{left:10px}
.pg-arrow.next{right:10px}
.pg-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.pg-thumb{position:relative;width:88px;height:66px;padding:0;border:2px solid transparent;background:#f0f0f0;cursor:pointer;overflow:hidden;transition:border-color .2s}
.pg-thumb img,.pg-thumb video{width:100%;height:100%;object-fit:cover;display:block}
.pg-thumb.active{border-color:var(--c-gold)}
.pg-thumb.is-video{background:#111}
.pg-play{position:absolute;inset:0;margin:auto;width:0;height:0;border-left:14px solid rgba(255,255,255,.9);border-top:9px solid transparent;border-bottom:9px solid transparent;filter:drop-shadow(0 0 4px rgba(0,0,0,.6))}
/* 技术参数表 */
.spec-box{margin:26px 0 8px;border:1px solid var(--c-line);background:var(--c-bg-2)}
.spec-tit{font-size:16px;font-weight:800;color:var(--c-ink);padding:14px 18px;border-bottom:1px solid var(--c-line);background:#fff}
.spec-tit:before{content:"";display:inline-block;width:4px;height:14px;background:var(--c-gold);margin-right:8px}
.spec-table{width:100%;border-collapse:collapse;font-size:14px}
.spec-table th{width:34%;text-align:left;font-weight:600;color:var(--c-steel);padding:10px 18px;background:#fff;border-bottom:1px solid var(--c-line);white-space:nowrap}
.spec-table td{padding:10px 18px;color:var(--c-text);border-bottom:1px solid var(--c-line);background:#fff}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
/* 富文本详情（后台导入内容） */
.rich-desc{margin-top:10px}
.rich-desc p{margin-bottom:12px}
.rich-desc strong{color:var(--c-ink)}
.rich-desc table{width:100%;border-collapse:collapse;font-size:13.5px;margin:14px 0;overflow-x:auto;display:block}
.rich-desc table td,.rich-desc table th{border:1px solid var(--c-line);padding:6px 10px;text-align:left;min-width:60px}
.detail .sidebar{position:sticky;top:calc(var(--header-h) + 24px)}
.detail .side-box{background:#fff;border:1px solid var(--c-line);padding:26px;margin-bottom:24px}
.detail .side-box h4{font-size:16px;font-weight:700;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--c-line);color:var(--c-ink)}
.detail .rel-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--c-line)}
.detail .rel-item:last-child{border:0}
.detail .rel-item img{width:64px;height:64px;object-fit:cover;flex:0 0 64px}
.detail .rel-item h5{font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.detail .rel-item:hover h5{color:var(--c-gold-d)}

/* 新闻详情正文 */
.article{background:#fff}
.article .content{color:var(--c-steel);line-height:1.95;font-size:15px}
.article .content p{margin-bottom:16px}
.article .back{display:inline-flex;align-items:center;gap:8px;margin-top:30px;color:var(--c-ink);font-weight:700}
.article .back:hover{color:var(--c-gold-d)}

/* 联系页 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.contact-info .ci-item{display:flex;gap:16px;margin-bottom:26px}
.contact-info .ci-item .ic{width:50px;height:50px;flex:0 0 50px;background:var(--c-black);color:var(--c-gold);border-radius:50%;display:flex;align-items:center;justify-content:center}
.contact-info h4{font-size:16px;font-weight:700;color:var(--c-ink);margin-bottom:4px}
.contact-info p{color:var(--c-muted);font-size:14px}
.contact-form{background:#fff;border:1px solid var(--c-line);padding:34px;box-shadow:var(--shadow-sm)}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--c-steel)}
.form-row input,.form-row textarea,.form-row select{width:100%;padding:11px 14px;border:1px solid var(--c-line);font-size:14px;font-family:inherit;transition:border .25s}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--c-gold)}
.form-row textarea{min-height:120px;resize:vertical}
.form-grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.alert{padding:14px 18px;margin-bottom:18px;font-size:14px}
.alert-ok{background:#e7f6ec;color:#1f7a3d;border:1px solid #b8e3c6}
.alert-err{background:#fdecec;color:#c0392b;border:1px solid #f5c6c0}

/* 空状态 / 分页 */
.empty{text-align:center;padding:80px 20px;color:var(--c-muted)}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:44px}
.pagination .pg{min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--c-line);color:var(--c-ink);font-size:14px;transition:all .25s}
.pagination .pg:hover{border-color:var(--c-gold);color:var(--c-gold-d)}
.pagination .pg.active{background:var(--c-gold);border-color:var(--c-gold);color:#111;font-weight:700}

/* ----------------- 动画 ----------------- */
/* 终态只声明 opacity，不锁定 transform，避免 forwards 填充值覆盖 hover 位移 */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1}}
.reveal{opacity:0}
.reveal.in{animation:fadeUp .8s var(--ease) forwards}

/* ----------------- 响应式 ----------------- */
@media(max-width:1080px){
  .prod-grid,.prod-cards{grid-template-columns:repeat(3,1fr)}
  .app-grid{grid-template-columns:repeat(3,1fr)}
  .footer .grid{grid-template-columns:1fr 1fr}
  .news-feat{grid-template-columns:1fr}
  .news-feat .nf-big{min-height:300px}
}
@media(max-width:820px){
  .sec{padding:60px 0}
  .hero{height:76vh;min-height:480px}
  .hero-arrow{display:none}
  .hd-tel span{display:none}
  .nav{position:fixed;top:var(--header-h);left:0;right:0;background:rgba(10,10,10,.97);flex-direction:column;align-items:stretch;gap:0;max-height:0;overflow:hidden;transition:max-height .4s var(--ease);border-top:1px solid rgba(255,255,255,.08)}
  .nav.open{max-height:520px}
  .nav a{padding:15px 24px;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-toggle{display:flex}
  .about .grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .detail .grid{grid-template-columns:1fr}
  .detail .sidebar{position:static}
  .news-grid{grid-template-columns:1fr 1fr}
  .stats-band .wrap{grid-template-columns:1fr 1fr;gap:36px 12px}
  .stat:not(:first-child):before{display:none}
  .prod-nav a{min-width:33.33%;border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}
  .about .pic{margin-top:10px}
  .app-detail-row{grid-template-columns:1fr}
  .app-detail-row.app-row-rev .app-detail-image{order:0}
  .app-detail-row.app-row-rev .app-detail-content{order:0}
  .app-detail-image{min-height:220px}
  .app-detail-content{padding:30px 24px}
  .app-detail-no{font-size:44px;top:18px;right:20px}
  .news-item{gap:18px;padding:22px 0}
  .news-item-date{width:64px;padding-right:16px}
  .news-day{font-size:28px}
  .news-item-title{font-size:17px}
}
@media(max-width:600px){
  .wrap{padding:0 16px}
  .prod-grid,.prod-cards,.app-grid,.news-grid,.form-grid2{grid-template-columns:1fr 1fr}
  .footer .grid{grid-template-columns:1fr 1fr;gap:32px}
  /* 品牌列与电商/联系列独占整行，产品中心与快速导航并列 */
  .footer .grid > div:first-child{grid-column:1 / -1}
  .footer .grid > div:last-child{grid-column:1 / -1}
  .stats-band .wrap{grid-template-columns:1fr 1fr}
  .news-feat .nf-item .pic{width:96px;flex:0 0 96px}
  .logo .txt b{font-size:17px}
}
@media(max-width:380px){
  .prod-grid,.prod-cards,.app-grid,.news-grid{grid-template-columns:1fr}
}