/* ============================================================
   电线电缆企业站 - 全局样式
   风格：深灰工业 / 品质传导 / 直角硬朗 / 铜色点缀
   PBootCMS 第三方模板模式（资源用 {pboot:sitepath}/skin/，子目录部署安全）
   遵守规范：13.3 z-index / 13.4 hamburger独立 / 13.11 不透明Header
   ============================================================ */

/* ---------- 字体：Barlow Condensed（工业风拉丁/数字，本地打包，无外网依赖） ---------- */
@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:400;font-display:swap;src:url('../webfonts/barlow-condensed-400.woff2') format('woff2');}
@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:500;font-display:swap;src:url('../webfonts/barlow-condensed-500.woff2') format('woff2');}
@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:600;font-display:swap;src:url('../webfonts/barlow-condensed-600.woff2') format('woff2');}
@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:700;font-display:swap;src:url('../webfonts/barlow-condensed-700.woff2') format('woff2');}

/* ---------- 变量 ---------- */
:root{
  --bg-dark:#1A1A1A;        /* 主深灰 */
  --bg-panel:#242424;       /* 卡片深灰 */
  --bg-panel-2:#2C2C2C;     /* 卡片hover */
  --bg-ink:#141414;         /* 更深(页脚) */
  --bg-light:#F4F5F7;       /* 浅色区 */
  --bg-white:#FFFFFF;
  --steel:#7A8A9E;          /* 钢灰 */
  --steel-light:#A9B4C0;
  --copper:#B87333;         /* 铜色主色 */
  --copper-light:#D08C4A;
  --copper-dark:#8F5A24;
  --text:#E8EAED;
  --text-2:#C6CBD3;
  --text-muted:#8A929C;
  --text-dark:#1A1A1A;
  --line:#3A3A3A;           /* 深色分割线 */
  --line-steel:#2F3946;
  --line-light:#E2E5E9;
  --font:"Barlow Condensed",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
  --font-display:"Barlow Condensed",var(--font);
  --header-h:66px;
  --container:1280px;
  --z-header:100;
  --z-dropdown:120;
  --z-mobile:200;
  --z-service:300;
  --tr:.25s ease;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{
  font-family:var(--font);
  font-size:15px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg-dark);
  padding-top:var(--header-h);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--tr);}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;background:none;border:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:14px;color:var(--text);background:var(--bg-panel);border:1px solid var(--line-steel);padding:11px 14px;outline:none;transition:border-color var(--tr);border-radius:0;}
input:focus,textarea:focus,select:focus{border-color:var(--copper);}
::placeholder{color:var(--text-muted);}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;}

/* ---------- 布局 ---------- */
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.container--wide{max-width:1440px;}
.section{padding:76px 0;}
.section--dark{background:var(--bg-dark);}
.section--panel{background:var(--bg-panel);}
.section--ink{background:var(--bg-ink);}
.section--light{background:var(--bg-light);color:var(--text-dark);}

/* ---------- 区块标题（铜色下划线） ---------- */
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head__kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.18em;color:var(--copper);text-transform:uppercase;margin-bottom:12px;}
.sec-head__kicker::before{content:"";width:26px;height:2px;background:var(--copper);}
.sec-head--center .sec-head__kicker::before{display:none;}
.sec-head--center .sec-head__kicker::after{content:"";width:26px;height:2px;background:var(--copper);}
.sec-head__title{font-size:32px;font-weight:700;line-height:1.25;letter-spacing:.02em;}
.sec-head--light .sec-head__title{color:var(--text-dark);}
.sec-head__sub{margin-top:14px;font-size:15px;color:var(--text-muted);line-height:1.8;}
.sec-head--light .sec-head__sub{color:#5B6570;}
.sec-head__bar{width:56px;height:3px;background:var(--copper);margin-top:18px;}
.sec-head--center .sec-head__bar{margin-left:auto;margin-right:auto;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:600;letter-spacing:.06em;padding:12px 28px;border:1px solid transparent;transition:all var(--tr);cursor:pointer;}
.btn--copper{background:var(--copper);color:#fff;border-color:var(--copper);}
.btn--copper:hover{background:var(--copper-light);border-color:var(--copper-light);}
.btn--outline{background:transparent;color:var(--copper);border-color:var(--copper);}
.btn--outline:hover{background:var(--copper);color:#fff;}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line-steel);}
.btn--ghost:hover{border-color:var(--copper);color:var(--copper);}
.btn--white{background:#fff;color:var(--text-dark);border-color:#fff;}
.btn--white:hover{background:transparent;color:#fff;}
.btn--sm{padding:9px 18px;font-size:13px;}

/* ============================================================
   Header 固定深灰导航（13.3 z-index / 13.4 hamburger独立）
   ============================================================ */
.header{
  position:fixed;top:0;left:0;right:0;height:var(--header-h);
  background:var(--bg-dark);
  border-bottom:1px solid var(--line);
  z-index:var(--z-header);
}
.header__inner{height:100%;display:flex;align-items:center;gap:32px;}
.header__logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.header__logo-mark{width:42px;height:42px;display:flex;align-items:center;justify-content:center;background:var(--copper);color:#fff;font-size:20px;}
.header__logo-text{display:flex;flex-direction:column;line-height:1.2;}
.header__logo-name{font-size:19px;font-weight:700;letter-spacing:.04em;color:#fff;}
.header__logo-name em{color:var(--copper);font-style:normal;}
.header__logo-sub{font-size:11px;letter-spacing:.2em;color:var(--steel);text-transform:uppercase;margin-top:2px;}

/* 主导航 */
.header__nav{display:flex;align-items:stretch;height:100%;margin-left:auto;gap:4px;}
.nav__item{position:relative;display:flex;align-items:center;}
.nav__link{
  position:relative;display:flex;align-items:center;gap:6px;height:var(--header-h);
  padding:0 16px;font-size:15px;font-weight:500;color:var(--text-2);
  letter-spacing:.03em;white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:var(--copper);
  transform:scaleX(0);transform-origin:center;transition:transform var(--tr);
}
.nav__item:hover .nav__link::after,
.nav__link:hover::after,
.nav__link.is-active::after{transform:scaleX(1);}
.nav__link:hover,.nav__link.is-active{color:#fff;}
.nav__arrow{font-size:10px;opacity:.7;transition:transform var(--tr);}
.nav__item:hover .nav__arrow{transform:rotate(180deg);}

/* 下拉菜单（13.3 高z-index） */
.nav__dropdown{
  position:absolute;top:100%;left:0;min-width:200px;
  background:var(--bg-panel);border:1px solid var(--line-steel);
  z-index:var(--z-dropdown);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all var(--tr);
}
.nav__item:hover .nav__dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.nav__dropdown:empty{display:none;}
.nav__sub{display:block;padding:11px 20px;font-size:14px;color:var(--text-2);border-bottom:1px solid var(--line);}
.nav__sub:last-child{border-bottom:none;}
.nav__sub:hover{background:var(--bg-panel-2);color:var(--copper);padding-left:26px;}

/* 右侧操作区 */
.header__actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.header__search{position:relative;display:flex;align-items:center;}
.header__search-btn{width:38px;height:38px;display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--text-2);border:1px solid var(--line-steel);transition:all var(--tr);}
.header__search-btn:hover{color:var(--copper);border-color:var(--copper);}
.header__search-form{position:absolute;top:calc(100% + 10px);right:0;width:280px;display:none;align-items:center;background:var(--bg-panel);border:1px solid var(--line-steel);z-index:var(--z-dropdown);}
.header__search-form.is-open{display:flex;}
.header__search-form input{flex:1;border:none;background:transparent;}
.header__search-form button{width:40px;color:var(--copper);font-size:15px;}
.header__inquiry-btn{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--copper);border:1px solid var(--copper);padding:9px 20px;transition:all var(--tr);}
.header__inquiry-btn:hover{background:var(--copper);color:#fff;}

/* 汉堡菜单（13.4 独立于 .header__actions） */
.hamburger{display:none;width:40px;height:40px;flex-direction:column;align-items:center;justify-content:center;gap:5px;flex-shrink:0;z-index:var(--z-mobile);}
.hamburger span{display:block;width:22px;height:2px;background:#fff;transition:all var(--tr);}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 移动端侧滑导航 ---------- */
.mobile-nav{
  position:fixed;top:0;right:-320px;bottom:0;width:300px;max-width:86vw;
  background:var(--bg-ink);border-left:1px solid var(--line-steel);
  z-index:var(--z-mobile);overflow-y:auto;
  transition:right var(--tr);
  padding:24px 0 60px;
}
.mobile-nav.is-open{right:0;}
.mobile-nav__mask{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:var(--z-mobile);opacity:0;visibility:hidden;transition:all var(--tr);}
.mobile-nav__mask.is-open{opacity:1;visibility:visible;}
.mobile-nav__head{display:flex;align-items:center;justify-content:space-between;padding:0 24px 20px;border-bottom:1px solid var(--line);}
.mobile-nav__head .header__logo-sub{display:block;margin-top:2px;}
.mobile-nav__close{width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-muted);}
.mobile-nav__list{padding:16px 24px;}
.mobile-nav__group{border-bottom:1px solid var(--line);}
.mobile-nav__group > a{display:flex;align-items:center;justify-content:space-between;padding:13px 0;font-size:16px;font-weight:500;color:var(--text);}
.mobile-nav__group > a i{font-size:12px;color:var(--steel);}
.mobile-nav__group .sub{display:block;padding:9px 0 9px 16px;font-size:14px;color:var(--text-muted);border-top:1px dashed var(--line);}
.mobile-nav__cta{display:block;text-align:center;margin:20px 24px 0;padding:12px;background:var(--copper);color:#fff;font-weight:600;font-size:15px;}

/* ============================================================
   Hero Banner（Swiper 淡入淡出 + 进度条）
   ============================================================ */
.hero{position:relative;height:640px;min-height:560px;overflow:hidden;background:
  linear-gradient(135deg,#1A1A1A 0%,#26241F 55%,#3A2E20 100%);}
.hero .swiper{height:100%;}
.hero-slide{position:relative;height:100%;overflow:hidden;}
.hero-slide__bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05);}
.hero-slide.is-zooming .hero-slide__bg{animation:heroZoom 7s ease-out forwards;}
@keyframes heroZoom{from{transform:scale(1.08);}to{transform:scale(1.02);}}
.hero-slide__overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,20,20,.55) 0%,rgba(20,20,20,.35) 45%,rgba(20,20,20,.85) 100%);}
.hero-slide__content{position:absolute;inset:0;display:flex;align-items:center;}
.hero-slide__inner{max-width:var(--container);margin:0 auto;padding:0 24px;text-align:center;width:100%;}
.hero-slide__kicker{display:inline-block;font-size:13px;letter-spacing:.3em;color:var(--copper);text-transform:uppercase;margin-bottom:20px;border:1px solid rgba(184,115,51,.5);padding:6px 16px;}
.hero-slide__title{font-size:52px;font-weight:800;line-height:1.15;color:#fff;letter-spacing:.04em;text-shadow:0 4px 24px rgba(0,0,0,.4);}
.hero-slide__title span{color:var(--copper-light);}
.hero-slide__underline{width:88px;height:4px;background:var(--copper);margin:26px auto 0;}
.hero-slide__sub{margin-top:22px;font-size:18px;color:rgba(255,255,255,.82);letter-spacing:.06em;}
.hero-slide__btns{margin-top:36px;display:flex;justify-content:center;gap:16px;}
/* 进度条分页 */
.hero .swiper-pagination{left:50%;transform:translateX(-50%);width:min(560px,80%);bottom:34px;}
.hero .swiper-pagination-progressbar{background:rgba(255,255,255,.18);height:3px;}
.hero .swiper-pagination-progressbar-fill{background:var(--copper);}
/* 滚动提示 */
.hero__scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.5);font-size:20px;animation:bounceY 2s infinite;}
@keyframes bounceY{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,8px);}}

/* ============================================================
   企业数据（铜色数字滚动）
   ============================================================ */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-ink);}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:52px 24px;text-align:center;border-right:1px solid var(--line);position:relative;}
.stat:last-child{border-right:none;}
.stat::before{content:"";position:absolute;left:50%;top:0;width:0;height:3px;background:var(--copper);transition:width var(--tr) .1s;}
.stat:hover::before{width:100%;transform:translateX(-50%);}
.stat__num{font-size:48px;font-weight:800;color:var(--copper);line-height:1;font-variant-numeric:tabular-nums;}
.stat__num small{font-size:20px;font-weight:600;margin-left:4px;color:var(--copper-light);}
.stat__label{margin-top:14px;font-size:14px;letter-spacing:.14em;color:var(--steel);text-transform:uppercase;}

/* ============================================================
   区块通用标题（浅色区使用）
   ============================================================ */
.section--light .sec-head__kicker{color:#A05A24;}
.section--light .sec-head__sub{color:#5B6570;}

/* ============================================================
   产品分类·图标墙（浅色区，5列）
   ============================================================ */
.cat-wall{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.cat-wall__item{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;padding:36px 16px;background:var(--bg-white);border:1px solid var(--line-light);transition:all var(--tr);overflow:hidden;}
.cat-wall__item::before{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--copper);transition:width var(--tr);}
.cat-wall__item:hover::before{width:100%;}
.cat-wall__item:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(20,20,20,.10);border-color:var(--copper);}
.cat-wall__icon{width:74px;height:74px;display:flex;align-items:center;justify-content:center;font-size:32px;color:var(--steel);border:2px solid var(--line-light);border-radius:50%;transition:all var(--tr);}
.cat-wall__item:hover .cat-wall__icon{color:var(--copper);border-color:var(--copper);background:rgba(184,115,51,.08);}
.cat-wall__name{margin-top:20px;font-size:17px;font-weight:700;color:var(--text-dark);}
.cat-wall__spec{margin-top:8px;font-size:12px;color:#8891A0;line-height:1.6;}
.cat-wall__more{margin-top:16px;font-size:13px;color:var(--copper);opacity:0;transform:translateY(6px);transition:all var(--tr);}
.cat-wall__item:hover .cat-wall__more{opacity:1;transform:translateY(0);}

/* ============================================================
   主推产品·卷轴展示（深色）
   ============================================================ */
.reel-wrap{position:relative;}
.reel{display:flex;gap:26px;overflow-x:auto;padding:20px 6px 34px;scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none;}
.reel::-webkit-scrollbar{display:none;}
.reel__card{flex:0 0 280px;background:var(--bg-panel);border:1px solid var(--line-steel);padding:26px 22px 22px;display:flex;flex-direction:column;transition:all var(--tr);position:relative;}
.reel__card:hover{transform:translateY(-6px);border-color:var(--copper);box-shadow:0 20px 44px rgba(0,0,0,.45);}
.reel__card::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--copper);opacity:0;transition:opacity var(--tr);}
.reel__card:hover::after{opacity:1;}
/* 线缆卷盘圆形截面 */
.reel__disc{width:158px;height:158px;margin:0 auto;border-radius:50%;border:10px solid var(--bg-panel-2);outline:1px solid var(--line-steel);overflow:hidden;position:relative;transition:all var(--tr);}
.reel__disc img{width:100%;height:100%;object-fit:cover;}
.reel__card:hover .reel__disc{border-color:#3A3429;}
.reel__disc-hub{position:absolute;left:50%;top:50%;width:30px;height:30px;transform:translate(-50%,-50%);border-radius:50%;background:var(--copper);box-shadow:0 0 0 5px rgba(184,115,51,.25);z-index:2;}
.reel__cat{display:inline-block;font-size:12px;letter-spacing:.1em;color:var(--copper);text-transform:uppercase;margin-top:20px;}
.reel__title{margin-top:8px;font-size:18px;font-weight:700;color:#fff;line-height:1.35;}
.reel__specs{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.reel__spec{font-size:12px;color:var(--steel-light);background:var(--bg-ink);border:1px solid var(--line-steel);padding:4px 10px;font-variant-numeric:tabular-nums;}
.reel__link{margin-top:18px;font-size:14px;color:var(--copper);display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid var(--copper);padding-bottom:2px;align-self:flex-start;}
.reel__link:hover{color:var(--copper-light);}
.reel__arrows{display:flex;gap:10px;justify-content:flex-end;}
.reel__arrow{width:42px;height:42px;border:1px solid var(--line-steel);display:flex;align-items:center;justify-content:center;color:var(--text-2);transition:all var(--tr);}
.reel__arrow:hover{background:var(--copper);border-color:var(--copper);color:#fff;}

/* 主推产品 · 手机端"查看全部"（仅移动端显示，桌面卷轴+箭头保留） */
.reel__all{display:none;}

/* ============================================================
   应用领域·大图标签（3列）
   ============================================================ */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.app-card{position:relative;height:320px;overflow:hidden;display:block;background:var(--bg-panel);}
.app-card__bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .6s ease;}
.app-card:hover .app-card__bg{transform:scale(1.07);}
.app-card__overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,20,20,.1) 0%,rgba(20,20,20,.86) 100%);}
.app-card__body{position:absolute;left:0;right:0;bottom:0;padding:24px;transition:all var(--tr);}
.app-card__tag{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--copper);border:1px solid rgba(184,115,51,.6);padding:3px 10px;margin-bottom:12px;}
.app-card:hover .app-card__tag{background:var(--copper);color:#fff;}
.app-card__name{font-size:22px;font-weight:700;color:#fff;transition:transform var(--tr);}
.app-card:hover .app-card__name{transform:translateX(4px);}
.app-card__sub{margin-top:8px;font-size:14px;color:rgba(255,255,255,.75);display:flex;align-items:center;gap:8px;}
.app-card__sub i{opacity:0;transform:translateX(-6px);transition:all var(--tr);}
.app-card:hover .app-card__sub i{opacity:1;transform:translateX(0);}

/* ============================================================
   生产实景（全宽）
   ============================================================ */
.factory{position:relative;padding:0;overflow:hidden;background:var(--bg-ink);}
.factory__quote{position:relative;z-index:2;text-align:center;padding:96px 24px 40px;}
.factory__quote-mark{font-size:54px;color:var(--copper);line-height:1;}
.factory__quote-text{font-size:32px;font-weight:700;color:#fff;letter-spacing:.06em;margin-top:8px;}
.factory__quote-text span{color:var(--copper-light);}
.factory__quote-sub{margin-top:16px;font-size:15px;color:var(--text-muted);letter-spacing:.1em;}
.factory__strip{padding-bottom:76px;}
.factory__slider{overflow:hidden;}
.factory__slider .swiper-slide img{width:100%;height:320px;object-fit:cover;}
.factory__slider .swiper-pagination{position:static;margin-top:20px;}
.factory__slider .swiper-pagination-bullet{width:34px;height:3px;border-radius:0;background:var(--line-steel);opacity:1;}
.factory__slider .swiper-pagination-bullet-active{background:var(--copper);}

/* ============================================================
   工程案例（浅色区 4列）
   ============================================================ */
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.case-card{position:relative;background:var(--bg-white);border:1px solid var(--line-light);overflow:hidden;transition:all var(--tr);}
.case-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(20,20,20,.12);border-color:var(--copper);}
.case-card__pic{position:relative;height:210px;overflow:hidden;}
.case-card__pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.case-card:hover .case-card__pic img{transform:scale(1.07);}
.case-card__tag{position:absolute;top:0;left:0;background:var(--copper);color:#fff;font-size:12px;letter-spacing:.06em;padding:6px 14px;z-index:2;}
.case-card__body{padding:18px 20px 22px;}
.case-card__title{font-size:16px;font-weight:700;color:var(--text-dark);line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.case-card__desc{margin-top:8px;font-size:13px;color:#7C8590;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.case-card__more{margin-top:14px;font-size:13px;color:var(--copper);display:inline-flex;align-items:center;gap:6px;}
.case-card__more i{transition:transform var(--tr);}
.case-card:hover .case-card__more i{transform:translateX(4px);}

/* ============================================================
   技术·标准（4列 深色卡片+铜色边框）
   ============================================================ */
.std-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.std-card{background:var(--bg-panel);border:1px solid var(--line-steel);padding:32px 26px;text-align:center;transition:all var(--tr);position:relative;overflow:hidden;}
.std-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--copper);transform:scaleX(0);transition:transform var(--tr);}
.std-card:hover::before{transform:scaleX(1);}
.std-card:hover{border-color:var(--copper);transform:translateY(-4px);}
.std-card__icon{width:60px;height:60px;margin:0 auto;display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--copper);border:1px solid rgba(184,115,51,.4);border-radius:50%;}
.std-card__no{margin-top:20px;font-size:18px;font-weight:800;color:#fff;letter-spacing:.04em;font-variant-numeric:tabular-nums;}
.std-card__name{margin-top:8px;font-size:14px;color:var(--text-muted);line-height:1.5;}
.std-card__note{margin-top:12px;font-size:12px;color:var(--steel);border-top:1px dashed var(--line-steel);padding-top:10px;}

/* ============================================================
   新闻·纯文字列表（铜色分割线）
   ============================================================ */
.news-col{max-width:1000px;margin:0 auto;}
.news-item{display:flex;align-items:center;gap:22px;padding:24px 8px;border-bottom:1px solid var(--line);transition:all var(--tr);}
.news-item:first-child{border-top:1px solid var(--line);}
.news-item:hover{background:var(--bg-panel);padding-left:20px;}
.news-item__date{flex-shrink:0;width:70px;text-align:center;border:1px solid var(--line-steel);padding:10px 4px;}
.news-item__date b{display:block;font-size:26px;font-weight:800;color:var(--copper);line-height:1;}
.news-item__date span{font-size:12px;color:var(--text-muted);}
.news-item__body{flex:1;min-width:0;}
.news-item__title{display:block;font-size:17px;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color var(--tr);}
.news-item:hover .news-item__title{color:var(--copper-light);}
.news-item__desc{display:block;margin-top:6px;font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.news-item__more{color:var(--steel);font-size:16px;flex-shrink:0;}
.news-item:hover .news-item__more{color:var(--copper);}

/* ============================================================
   CTA 铜色带
   ============================================================ */
.cta{background:linear-gradient(120deg,var(--copper-dark) 0%,var(--copper) 55%,var(--copper-light) 100%);padding:60px 0;}
.cta__inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.cta__title{font-size:30px;font-weight:800;color:#fff;letter-spacing:.03em;}
.cta__title span{color:rgba(255,255,255,.85);font-weight:500;font-size:16px;display:block;margin-top:10px;letter-spacing:.08em;}
.cta__actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta__btn{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;padding:14px 34px;border:2px solid #fff;color:#fff;transition:all var(--tr);}
.cta__btn:hover{background:#fff;color:var(--copper-dark);}
.cta__btn--dark{background:#1A1A1A;border-color:#1A1A1A;}
.cta__btn--dark:hover{background:#fff;color:#1A1A1A;border-color:#fff;}

/* ============================================================
   Footer（深色）
   ============================================================ */
.footer{background:var(--bg-ink);border-top:3px solid var(--copper);}
.footer__main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding:64px 0 48px;}
.footer__brand-name{font-size:22px;font-weight:800;color:#fff;}
.footer__brand-name em{color:var(--copper);font-style:normal;}
.footer__brand-desc{margin-top:16px;font-size:13px;line-height:1.9;color:var(--text-muted);}
.footer__contact{margin-top:22px;display:grid;gap:12px;}
.footer__contact p{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text-2);}
.footer__contact i{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line-steel);color:var(--copper);font-size:13px;flex-shrink:0;}
.footer__contact a{display:inline-block;padding:9px 2px;}
.footer__contact a:hover{color:var(--copper);}
.footer__col h4{font-size:15px;font-weight:700;color:#fff;letter-spacing:.1em;text-transform:uppercase;margin-bottom:20px;position:relative;padding-bottom:12px;}
.footer__col h4::after{content:"";position:absolute;left:0;bottom:0;width:30px;height:2px;background:var(--copper);}
.footer__col--nav a{display:block;padding:9px 0;font-size:14px;color:var(--text-muted);transition:all var(--tr);}
.footer__col--nav a::before{content:"· ";color:var(--copper);}
.footer__col--nav a:hover{color:var(--copper-light);padding-left:6px;}
.footer__qr{width:132px;height:132px;border:1px solid var(--line-steel);background:#fff;padding:6px;object-fit:cover;}
.footer__qr--ph{display:flex;align-items:center;justify-content:center;border:1px dashed var(--line-steel);background:var(--bg-panel-2);padding:0;color:var(--steel);font-size:40px;}
.footer__qr-tip{margin-top:10px;font-size:12px;color:var(--text-muted);}
/* 合作伙伴 */
.footer__partners{border-top:1px solid var(--line);padding:36px 0;}
.footer__partners-title{font-size:13px;letter-spacing:.16em;color:var(--steel);text-transform:uppercase;margin-bottom:22px;display:flex;align-items:center;gap:14px;}
.footer__partners-title::after{content:"";flex:1;height:1px;background:var(--line);}
.footer__partners-list{display:flex;flex-wrap:wrap;gap:10px 8px;}
.footer__partner{font-size:13px;color:var(--text-muted);border:1px solid var(--line-steel);padding:10px 16px;transition:all var(--tr);}
.footer__partner:hover{color:var(--copper);border-color:var(--copper);}
/* 版权 */
.footer__bottom{border-top:1px solid var(--line);padding:22px 0;background:#111;}
.footer__bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-muted);}
.footer__bottom-inner a:hover{color:var(--copper);}

/* ============================================================
   在线客服 / 返回顶部（13.3 高z-index）
   ============================================================ */
.online-service{position:fixed;right:22px;bottom:110px;z-index:var(--z-service);display:flex;flex-direction:column;gap:12px;}
.os-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;background:var(--copper);box-shadow:0 8px 24px rgba(184,115,51,.4);transition:all var(--tr);position:relative;}
.os-btn:hover{background:var(--copper-light);transform:translateY(-3px);}
.os-btn .os-btn__tip{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);white-space:nowrap;background:var(--bg-panel);border:1px solid var(--line-steel);color:var(--text);font-size:13px;padding:8px 14px;opacity:0;visibility:hidden;transition:all var(--tr);}
.os-btn:hover .os-btn__tip{opacity:1;visibility:visible;}
.back-top{position:fixed;right:22px;bottom:44px;z-index:var(--z-service);width:46px;height:46px;display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--text-2);background:var(--bg-panel);border:1px solid var(--line-steel);opacity:0;visibility:hidden;transition:all var(--tr);}
.back-top.is-visible{opacity:1;visibility:visible;}
.back-top:hover{background:var(--copper);border-color:var(--copper);color:#fff;}

/* ============================================================
   内页 Banner + 面包屑
   ============================================================ */
.inner-banner{position:relative;padding:74px 0;background:
  linear-gradient(135deg,#141414 0%,#26221C 60%,#3A2E20 100%);border-bottom:1px solid var(--line);overflow:hidden;}
.inner-banner::before{content:"";position:absolute;inset:0;opacity:.06;background-image:radial-gradient(var(--copper) 1px,transparent 1px);background-size:22px 22px;}
.inner-banner__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.inner-banner__title{font-size:34px;font-weight:800;color:#fff;letter-spacing:.04em;}
.inner-banner__title em{color:var(--copper);font-style:normal;}
.inner-banner__sub{margin-top:8px;font-size:14px;color:var(--steel);letter-spacing:.1em;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--steel-light);}
.breadcrumb a:hover{color:var(--copper);}
.breadcrumb i{font-size:10px;color:var(--steel);}
.breadcrumb .cur{color:var(--copper);}

/* ============================================================
   内页布局（侧边栏 + 内容）
   ============================================================ */
.page{display:grid;grid-template-columns:250px 1fr;gap:44px;padding-top:54px;padding-bottom:76px;align-items:start;}
.sidebar{position:sticky;top:calc(var(--header-h) + 20px);}
.sidebar__head{background:var(--copper);padding:20px 22px;color:#fff;}
.sidebar__head h3{font-size:20px;font-weight:800;}
.sidebar__head p{font-size:12px;letter-spacing:.12em;opacity:.85;margin-top:4px;}
.sidebar__nav{background:var(--bg-panel);border:1px solid var(--line-steel);border-top:none;}
.sidebar__nav a{display:flex;align-items:center;justify-content:space-between;padding:13px 20px;font-size:14px;color:var(--text-2);border-bottom:1px solid var(--line);transition:all var(--tr);}
.sidebar__nav a:last-child{border-bottom:none;}
.sidebar__nav a i{font-size:11px;opacity:0;transition:all var(--tr);}
.sidebar__nav a:hover,.sidebar__nav a.is-active{color:var(--copper);padding-left:26px;background:var(--bg-ink);}
.sidebar__nav a.is-active i{opacity:1;}
.sidebar__note{margin-top:20px;background:var(--bg-panel);border:1px solid var(--line-steel);padding:20px;}
.sidebar__note h4{font-size:14px;color:#fff;letter-spacing:.08em;margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.sidebar__note h4 i{color:var(--copper);}
.sidebar__note p{font-size:13px;color:var(--text-muted);line-height:1.9;display:flex;align-items:flex-start;gap:8px;margin-bottom:8px;}
.sidebar__note p i{color:var(--copper);margin-top:4px;font-size:12px;}
.sidebar__note .tel{display:inline-flex;align-items:center;gap:8px;margin-top:12px;font-size:19px;font-weight:800;color:var(--copper);}
.main-content{min-width:0;}

/* ============================================================
   列表网格（4列产品）
   ============================================================ */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.grid--3{grid-template-columns:repeat(3,1fr);}
.grid--2{grid-template-columns:repeat(2,1fr);}
.grid__card{background:var(--bg-panel);border:1px solid var(--line-steel);transition:all var(--tr);overflow:hidden;display:flex;flex-direction:column;}
.grid__card:hover{transform:translateY(-6px);border-color:var(--copper);box-shadow:0 18px 40px rgba(0,0,0,.4);}
.grid__pic{position:relative;height:210px;overflow:hidden;background:var(--bg-ink);}
.grid__pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.grid__card:hover .grid__pic img{transform:scale(1.07);}
.grid__pic::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(20,20,20,.5));}
.grid__body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
.grid__title{font-size:16px;font-weight:700;color:#fff;line-height:1.4;}
.grid__specs{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;}
.grid__spec{font-size:11px;color:var(--steel-light);border:1px solid var(--line-steel);padding:2px 8px;font-variant-numeric:tabular-nums;}
.grid__desc{margin-top:10px;font-size:13px;color:var(--text-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.grid__foot{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line-steel);display:flex;align-items:center;justify-content:space-between;font-size:13px;}
.grid__more{color:var(--copper);display:inline-flex;align-items:center;gap:6px;}
.grid__more i{transition:transform var(--tr);}
.grid__card:hover .grid__more i{transform:translateX(4px);}
.grid__date{color:var(--text-muted);font-variant-numeric:tabular-nums;}

/* 新闻列表横向卡片 */
.news-grid{display:grid;gap:0;}
.news-row{display:flex;gap:22px;background:var(--bg-panel);border:1px solid var(--line-steel);padding:20px;transition:all var(--tr);}
.news-row:not(:last-child){margin-bottom:18px;}
.news-row:hover{border-color:var(--copper);transform:translateX(6px);}
.news-row__pic{flex:0 0 240px;height:150px;overflow:hidden;}
.news-row__pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-row:hover .news-row__pic img{transform:scale(1.06);}
.news-row__body{flex:1;min-width:0;display:flex;flex-direction:column;}
.news-row__title{font-size:18px;font-weight:700;color:#fff;line-height:1.4;}
.news-row:hover .news-row__title{color:var(--copper-light);}
.news-row__meta{margin-top:10px;display:flex;gap:20px;font-size:12px;color:var(--steel);}
.news-row__meta i{margin-right:5px;color:var(--copper);}
.news-row__desc{margin-top:10px;font-size:13px;color:var(--text-muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ============================================================
   分页
   ============================================================ */
.pagination{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:44px;flex-wrap:wrap;}
.pagination a,.pagination span{min-width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;padding:0 8px;font-size:14px;color:var(--text-2);border:1px solid var(--line-steel);background:var(--bg-panel);transition:all var(--tr);}
.pagination a:hover{border-color:var(--copper);color:var(--copper);}
.pagination .active,.pagination .current{background:var(--copper);border-color:var(--copper);color:#fff;font-weight:700;}
.no-data{padding:70px 20px;text-align:center;color:var(--text-muted);font-size:15px;border:1px dashed var(--line-steel);}

/* ============================================================
   详情页
   ============================================================ */
.detail-head{display:grid;grid-template-columns:44% 1fr;gap:44px;background:var(--bg-panel);border:1px solid var(--line-steel);padding:34px;}
.detail-gallery .main-pic{position:relative;height:360px;overflow:hidden;border:1px solid var(--line-steel);background:var(--bg-ink);}
.detail-gallery .main-pic img{width:100%;height:100%;object-fit:cover;}
.detail-gallery .pics-row{display:flex;gap:10px;margin-top:12px;}
.detail-gallery .pics-row a{flex:1;height:74px;overflow:hidden;border:1px solid var(--line-steel);opacity:.75;transition:all var(--tr);}
.detail-gallery .pics-row a:hover,.detail-gallery .pics-row a.is-active{opacity:1;border-color:var(--copper);}
.detail-gallery .pics-row img{width:100%;height:100%;object-fit:cover;}
.detail-info h1{font-size:26px;font-weight:800;color:#fff;line-height:1.4;}
.detail-info__meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:16px;font-size:13px;color:var(--steel);}
.detail-info__meta i{margin-right:6px;color:var(--copper);}
.detail-info__intro{margin-top:20px;font-size:14px;line-height:1.9;color:var(--text-2);border-left:3px solid var(--copper);padding:4px 0 4px 16px;}
.spec-table{margin-top:24px;border:1px solid var(--line-steel);}
.spec-table__row{display:grid;grid-template-columns:150px 1fr;font-size:14px;}
.spec-table__row:not(:last-child){border-bottom:1px solid var(--line);}
.spec-table__label{background:var(--bg-ink);color:var(--copper);padding:12px 18px;font-weight:600;letter-spacing:.05em;}
.spec-table__value{padding:12px 18px;color:var(--text);display:flex;align-items:center;font-variant-numeric:tabular-nums;}
.detail-info__cta{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap;}
.detail-body{margin-top:34px;background:var(--bg-panel);border:1px solid var(--line-steel);padding:36px;}
.detail-body h3{font-size:19px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;}
.detail-body h3 i{color:var(--copper);}
/* 富文本正文 */
.rich-text{font-size:15px;line-height:2;color:var(--text-2);}
.rich-text p{margin-bottom:16px;}
.rich-text img{max-width:100%;height:auto;margin:16px 0;}
.rich-text h2,.rich-text h3,.rich-text h4{color:#fff;margin:22px 0 12px;}
.rich-text ul,.rich-text ol{padding-left:22px;margin-bottom:16px;}
.rich-text ul{list-style:disc;}
.rich-text ol{list-style:decimal;}
.rich-text table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px;}
.rich-text th,.rich-text td{border:1px solid var(--line-steel);padding:10px 14px;text-align:left;}
.rich-text th{background:var(--bg-ink);color:#fff;font-weight:600;}
.rich-text a{color:var(--copper);text-decoration:underline;}
.rich-text blockquote{border-left:3px solid var(--copper);background:var(--bg-ink);padding:14px 18px;margin:16px 0;color:var(--text-2);}
.prevnext{margin-top:34px;background:var(--bg-panel);border:1px solid var(--line-steel);padding:22px 28px;}
.prevnext p{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);}
.prevnext p:not(:last-child){margin-bottom:12px;}
.prevnext span{flex-shrink:0;color:var(--copper);font-weight:600;}
.prevnext a:hover{color:var(--copper-light);}

/* 单页内容 */
.single-content{max-width:1000px;margin:0 auto;background:var(--bg-panel);border:1px solid var(--line-steel);padding:44px;}

/* ============================================================
   表单 / 询价 / 联系
   ============================================================ */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-grid .span-2{grid-column:1 / -1;}
.form-item label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;letter-spacing:.05em;}
.form-item label i{color:var(--copper);margin-right:6px;}
.form-item input,.form-item textarea,.form-item select{width:100%;}
.form-item textarea{min-height:140px;resize:vertical;}
.form-item .checkcode-box{display:flex;gap:12px;align-items:center;}
.form-item .checkcode-box img{height:44px;cursor:pointer;border:1px solid var(--line-steel);}
.form-submit{margin-top:26px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.form-submit .btn{min-width:160px;}
.form-submit .tip{font-size:12px;color:var(--text-muted);}
/* 联系信息块 */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-bottom:44px;}
.contact-card{background:var(--bg-panel);border:1px solid var(--line-steel);padding:30px 24px;text-align:center;transition:all var(--tr);}
.contact-card:hover{border-color:var(--copper);transform:translateY(-4px);}
.contact-card__icon{width:56px;height:56px;margin:0 auto;display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--copper);border:1px solid rgba(184,115,51,.4);border-radius:50%;}
.contact-card__label{margin-top:16px;font-size:13px;color:var(--steel);letter-spacing:.1em;}
.contact-card__value{margin-top:8px;font-size:17px;font-weight:700;color:#fff;word-break:break-all;}
.contact-card__value a:hover{color:var(--copper-light);}
/* 留言列表 */
.message-list{margin-top:30px;}
.message-item{background:var(--bg-panel);border:1px solid var(--line-steel);padding:22px;margin-bottom:16px;}
.message-item__head{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:13px;color:var(--steel);}
.message-item__name{color:var(--copper);font-weight:700;font-size:15px;}
.message-item__content{margin-top:12px;font-size:14px;color:var(--text-2);line-height:1.8;}
.message-item__reply{margin-top:12px;background:var(--bg-ink);border-left:3px solid var(--copper);padding:12px 16px;font-size:13px;color:var(--text-muted);}

/* ============================================================
   搜索
   ============================================================ */
.search-box{display:flex;max-width:640px;margin:0 auto;background:var(--bg-panel);border:1px solid var(--line-steel);}
.search-box input{flex:1;border:none;background:transparent;}
.search-box button{width:70px;color:var(--copper);font-size:17px;background:transparent;border-left:1px solid var(--line-steel);}
.search-box button:hover{background:var(--copper);color:#fff;}

/* ============================================================
   手机底部导航
   ============================================================ */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;height:58px;background:var(--bg-ink);border-top:1px solid var(--line-steel);z-index:var(--z-service);grid-template-columns:repeat(4,1fr);}
.mobile-bar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--text-muted);}
.mobile-bar a i{font-size:17px;}
.mobile-bar a.primary{background:var(--copper);color:#fff;font-weight:600;}
.mobile-bar a:hover{color:var(--copper);}
.mobile-bar a.primary:hover{color:#fff;}

/* ============================================================
   动画辅助（AOS 与暗色主题配合）
   ============================================================ */
[data-aos]{will-change:transform,opacity;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1024px){
  .cat-wall{grid-template-columns:repeat(3,1fr);}
  .case-grid{grid-template-columns:repeat(2,1fr);}
  .std-grid{grid-template-columns:repeat(2,1fr);}
  .footer__main{grid-template-columns:1fr 1fr;}
  .hero{height:560px;}
  .hero-slide__title{font-size:42px;}
}
@media (max-width:900px){
  .header__nav{display:none;}
  .hamburger{display:flex;}
  .header__actions .header__inquiry-btn{display:none;}
  .page{grid-template-columns:1fr;}
  .sidebar{position:static;margin-bottom:8px;}
  .sidebar__nav{display:flex;flex-wrap:wrap;gap:2px;}
  .sidebar__nav a{border-bottom:none;border:1px solid var(--line);margin:2px;}
  .sidebar__note{display:none;}
  .detail-head{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .mobile-bar{display:grid;}
  body{padding-bottom:58px;}
  .online-service{bottom:150px;right:16px;}
  .back-top{bottom:74px;right:16px;}
  .stats__grid{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:none;}
  .stat:nth-child(n+3){border-top:1px solid var(--line);}
}
@media (max-width:640px){
  .section{padding:48px 0;}
  .hero{height:430px;min-height:410px;}
  .hero-slide__title{font-size:28px;}
  .hero-slide__sub{font-size:14px;margin-top:14px;}
  .hero-slide__btns{flex-direction:column;align-items:center;margin-top:22px;}
  .hero-slide__btns .btn{padding:11px 26px;font-size:14px;}
  .cat-wall{grid-template-columns:repeat(3,1fr);gap:10px;}
  .app-grid{grid-template-columns:repeat(2,1fr);gap:10px;}
  .app-card{height:132px;}
  .reel__card{flex-basis:220px;padding:18px 14px 16px;}
  .case-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .std-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .case-card__pic{height:140px;}
  .case-card__title{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .news-item{flex-direction:row;align-items:center;}
  .news-item__body{min-width:0;}
  .news-item__more{display:none;}
  .news-item:nth-child(n+4){display:none;}
  .footer__main{grid-template-columns:repeat(2,1fr);gap:22px 20px;padding:36px 0 26px;}
  .footer__brand{grid-column:1/-1;}
  .footer__brand-desc{font-size:12px;line-height:1.8;margin-top:10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
  .footer__contact{margin-top:14px;gap:8px;}
  .footer__contact p{font-size:13px;gap:10px;}
  .footer__contact i{width:26px;height:26px;font-size:12px;}
  .footer__col h4{margin-bottom:12px;padding-bottom:8px;}
  .footer__col--nav a{padding:7px 0;font-size:13px;}
  /* 快捷导航链接多（首页+8顶级=9条）→ 2列排布，与产品中心等高 */
  .footer__col--nav:nth-child(3){column-count:2;column-gap:12px;}
  .footer__col:last-child{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;text-align:center;}
  .footer__qr{width:92px;height:92px;}
  .footer__qr-tip{font-size:11px;margin-top:6px;}
  .footer__partners{padding:24px 0;}
  .footer__partners-title{margin-bottom:14px;}
  .footer__partner{padding:6px 12px;font-size:12px;}
  .footer__bottom-inner{flex-direction:column;text-align:center;}
  .grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .grid__pic{height:140px;}
  .grid--3,.grid--2{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:repeat(2,1fr);}
  .cta__title{font-size:22px;}
  .cta__actions{flex-direction:column;align-items:stretch;}
  .cta__btn{justify-content:center;padding:12px 22px;font-size:14px;}
  .detail-body{padding:22px;}
  .single-content{padding:24px;}
  .inner-banner{padding:40px 0;}
  .inner-banner__title{font-size:24px;}
  .news-row{flex-direction:column;padding:16px;}
  .news-row__pic{flex-basis:auto;height:150px;}
  .factory__quote-text{font-size:22px;}
}
@media (max-width:640px){
  /* 区块标题紧凑 */
  .sec-head{margin-bottom:30px;}
  .sec-head__title{font-size:24px;}
  .sec-head__kicker{font-size:12px;margin-bottom:10px;}
  .sec-head__sub{margin-top:10px;font-size:13px;}
  /* Hero：更矮、隐藏滚动提示 */
  .hero-slide__kicker{font-size:12px;padding:5px 12px;margin-bottom:14px;}
  .hero-slide__underline{margin:18px auto 0;}
  .hero__scroll{display:none;}
  /* 企业数据条 */
  .stat{padding:26px 12px;}
  .stat__num{font-size:34px;}
  .stat__num small{font-size:15px;}
  .stat__label{margin-top:10px;font-size:12px;letter-spacing:.08em;}
  /* 分类图标墙（整体压缩：3列、小图标、隐藏查看更多） */
  .cat-wall__item{padding:16px 8px 14px;}
  .cat-wall__icon{width:40px;height:40px;font-size:18px;border-width:1px;}
  .cat-wall__name{margin-top:10px;font-size:14px;}
  .cat-wall__spec{margin-top:4px;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;}
  .cat-wall__more{display:none;}
  /* 主推产品轮播 */
  .reel__disc{width:104px;height:104px;border-width:7px;}
  .reel__disc-hub{width:22px;height:22px;}
  .reel__cat{margin-top:12px;font-size:11px;}
  .reel__title{font-size:16px;}
  .reel__specs{margin-top:10px;}
  .reel__spec{font-size:11px;padding:3px 8px;}
  .reel__link{margin-top:12px;font-size:13px;}
  .reel__arrows{display:none;}
  /* 主推产品：卷轴改 2 列网格，只显示前 2 个 + 查看全部 */
  .reel{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;overflow:visible;padding:4px 0 8px;}
  .reel__card{flex:none;}
  .reel__card:nth-child(n+3){display:none;}
  .reel__all{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:14px;padding:15px;border:1px solid var(--copper);background:rgba(184,115,51,.06);color:var(--copper);font-size:15px;font-weight:600;letter-spacing:.06em;text-align:center;transition:all var(--tr);}
  .reel__all:hover{background:var(--copper);color:#fff;}
  .reel__all .fa-table-cells-large{font-size:16px;}
  .reel__all .fa-arrow-right{font-size:13px;margin-left:2px;}
  /* 应用领域卡片（2列） */
  .app-card__body{padding:10px 12px;}
  .app-card__tag{display:none;}
  .app-card__name{font-size:14px;}
  .app-card__sub{font-size:11px;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  /* 生产实景：引言压缩、副标题隐藏、图矮化 */
  .factory__quote{padding:52px 20px 22px;}
  .factory__quote-mark{font-size:36px;}
  .factory__quote-sub{display:none;}
  .factory__slider .swiper-slide img{height:200px;}
  .factory__strip{padding-bottom:48px;}
  .cta{padding:44px 0;}
  /* 技术标准卡 */
  /* 技术标准 4 项一行（图标+编号横条） */
  .std-grid{grid-template-columns:repeat(4,1fr);gap:8px;}
  .std-card{padding:14px 2px;}
  .std-card__icon{width:32px;height:32px;font-size:14px;border-width:1px;}
  .std-card__no{margin-top:10px;font-size:11px;letter-spacing:.01em;}
  .std-card__name{display:none;}
  .std-card__note{display:none;}
  /* 首页新闻列表紧凑 */
  .news-item{padding:12px 2px;gap:12px;}
  .news-item__date{width:42px;padding:6px 2px;}
  .news-item__date b{font-size:15px;}
  .news-item__date span{font-size:10px;}
  .news-item__title{font-size:15px;}
  .news-item__desc{font-size:12px;margin-top:4px;}
  /* 产品网格 */
  .grid__body{padding:14px 12px 16px;}
  .grid__title{font-size:15px;}
  /* 内页 */
  .page{padding-top:36px;padding-bottom:52px;}
  .breadcrumb{font-size:12px;gap:6px;}
  .detail-gallery .main-pic{height:260px;}
  .detail-gallery .pics-row a{height:58px;}
  .detail-info h1{font-size:22px;}
  .spec-table__row{grid-template-columns:1fr;}
  .spec-table__label,.spec-table__value{padding:10px 14px;}
  .contact-card{padding:22px 14px;}
  .contact-card__icon{width:46px;height:46px;font-size:18px;}
  .contact-card__label{font-size:12px;}
  .contact-card__value{font-size:15px;}
  .feature-strip__item{padding:20px 12px;}
  .feature-strip__item i{font-size:22px;}
  .feature-strip__item h4{font-size:14px;}
  .feature-strip__item p{font-size:11px;}
  /* 页脚 */
  .footer__brand-name{font-size:20px;}
  .footer__qr{width:92px;height:92px;}
  .footer__partners{padding:24px 0;}
  .inquiry-intro{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:420px){
  .header__logo-name{font-size:16px;}
  .header__logo-sub{font-size:10px;}
  .cat-wall{grid-template-columns:repeat(3,1fr);gap:10px;}
  .grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
}
@media (max-width:360px){
  .case-grid{grid-template-columns:1fr;}
  .std-grid{grid-template-columns:repeat(4,1fr);gap:6px;}
  .std-card{padding:12px 1px;}
  .std-card__icon{width:28px;height:28px;font-size:12px;}
  .std-card__no{margin-top:8px;font-size:10px;}
}

/* ============================================================
   内页组件（新闻/文章/关于/联系/询价/搜索）补充
   ============================================================ */
/* 按钮变体 */
.btn--lg{padding:15px 40px;font-size:15px;}
.btn--light{background:#fff;color:var(--text-dark);border-color:#fff;}
.btn--light:hover{background:transparent;color:#fff;}

/* 侧边栏最新动态小项 */
.sidebar__item{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--text-muted);line-height:1.8;margin-bottom:8px;}
.sidebar__item i{color:var(--copper);margin-top:5px;font-size:11px;}
.sidebar__item a:hover{color:var(--copper-light);}

/* 案例列表横向卡片（grid--2 内） */
.grid__card--row{display:grid;grid-template-columns:40% 1fr;}
.grid__card--row .grid__pic{height:100%;min-height:190px;}
.grid__card--row .grid__pic::after{display:none;}
@media (max-width:900px){
  .grid__card--row{grid-template-columns:1fr;}
  .grid__card--row .grid__pic{height:200px;min-height:0;}
}
/* 工程案例列表页（caselist，grid--2）：手机端 2 列紧凑卡 */
@media (max-width:640px){
  .grid--2{grid-template-columns:repeat(2,1fr);gap:10px;}
  .grid__card--row .grid__pic{height:108px;min-height:0;}
  .grid__card--row .grid__body{padding:10px 10px 12px;}
  .grid__card--row .grid__title{font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .grid__card--row .grid__specs{margin-top:6px;gap:4px;}
  .grid__card--row .grid__spec{font-size:10px;padding:1px 6px;}
  .grid__card--row .grid__desc{display:none;}
  .grid__card--row .grid__foot{margin-top:8px;padding-top:8px;font-size:11px;}
}
@media (max-width:360px){
  .grid--2{grid-template-columns:1fr;}
  .grid__card--row .grid__pic{height:180px;}
}

/* ---------- 文章详情（新闻内容页） ---------- */
.article{background:var(--bg-panel);border:1px solid var(--line-steel);padding:44px;}
.article__head{padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:30px;}
.article__head h1{font-size:26px;font-weight:800;color:#fff;line-height:1.45;}
.article__meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:16px;font-size:13px;color:var(--steel);}
.article__meta i{margin-right:6px;color:var(--copper);}
@media (max-width:640px){.article{padding:22px;}}

/* ---------- 关于我们 ---------- */
.about-block{display:grid;grid-template-columns:0.9fr 1.4fr;gap:44px;background:var(--bg-panel);border:1px solid var(--line-steel);padding:36px;margin-bottom:34px;}
.about-block__pic{position:relative;min-height:260px;overflow:hidden;border:1px solid var(--line-steel);background:var(--bg-ink);}
.about-block__pic img{width:100%;height:100%;object-fit:cover;}
.about-block__text .sec-head__title{font-size:22px;}
.about-list{margin-top:18px;display:grid;gap:12px;}
.about-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);}
.about-list i{color:var(--copper);font-size:15px;}
@media (max-width:900px){.about-block{grid-template-columns:1fr;padding:24px;}.about-block__pic{min-height:200px;}}

/* 企业优势横条 */
.feature-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-bottom:34px;}
.feature-strip__item{background:var(--bg-panel);border:1px solid var(--line-steel);padding:28px 22px;text-align:center;transition:all var(--tr);}
.feature-strip__item:hover{border-color:var(--copper);transform:translateY(-4px);}
.feature-strip__item i{font-size:28px;color:var(--copper);}
.feature-strip__item h4{margin-top:14px;font-size:16px;font-weight:700;color:#fff;}
.feature-strip__item p{margin-top:8px;font-size:12px;color:var(--text-muted);line-height:1.7;}
@media (max-width:900px){.feature-strip{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){
  .feature-strip{grid-template-columns:repeat(4,1fr);gap:8px;}
  .feature-strip__item{padding:12px 4px;}
  .feature-strip__item i{font-size:20px;}
  .feature-strip__item h4{margin-top:8px;font-size:12px;white-space:nowrap;}
  .feature-strip__item p{margin-top:5px;font-size:10px;line-height:1.5;}
}

/* 底部 CTA 铜色带（内页） */
.cta-ribbon{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:linear-gradient(120deg,var(--copper-dark),var(--copper));padding:34px 40px;}
.cta-ribbon h3{font-size:24px;font-weight:800;color:#fff;}
.cta-ribbon p{margin-top:6px;font-size:14px;color:rgba(255,255,255,.88);}
@media (max-width:640px){.cta-ribbon{padding:26px 22px;}}

/* ---------- 联系我们 ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-bottom:40px;}
.contact-card i{width:52px;height:52px;margin:0 auto;display:flex;align-items:center;justify-content:center;font-size:21px;color:var(--copper);border:1px solid rgba(184,115,51,.4);}
.contact-card h4{margin-top:14px;font-size:14px;letter-spacing:.08em;color:var(--steel);}
.contact-card p{margin-top:8px;font-size:16px;font-weight:700;color:#fff;word-break:break-all;line-height:1.5;}
.contact-card a:hover{color:var(--copper-light);}
@media (max-width:900px){.contact-cards{grid-template-columns:repeat(2,1fr);}}
@media (max-width:420px){.contact-cards{grid-template-columns:1fr;}}
/* 联系卡片：手机端 4 个一行 */
@media (max-width:640px){
  .contact-cards{grid-template-columns:repeat(4,1fr);gap:8px;}
  .contact-card{padding:14px 4px;}
  .contact-card i{width:30px;height:30px;font-size:14px;}
  .contact-card h4{margin-top:8px;font-size:11px;white-space:nowrap;}
  .contact-card p{margin-top:5px;font-size:11px;line-height:1.5;}
}

.contact-layout{display:grid;grid-template-columns:1.15fr 0.85fr;gap:34px;align-items:start;}
.contact-form{background:var(--bg-panel);border:1px solid var(--line-steel);padding:34px;}
.contact-note{background:var(--bg-panel);border:1px solid var(--line-steel);padding:34px;}
.contact-note__tel{margin-top:26px;border-top:1px solid var(--line);padding-top:22px;}
.contact-note__tel span{display:block;font-size:12px;letter-spacing:.16em;color:var(--steel);}
.contact-note__tel a{display:inline-flex;align-items:center;gap:10px;margin-top:10px;font-size:26px;font-weight:800;color:var(--copper);}
@media (max-width:900px){.contact-layout{grid-template-columns:1fr;}.contact-form,.contact-note{padding:22px;}}

/* ---------- 通用表单（留言 / 询价） ---------- */
.form{display:grid;gap:18px;}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form__field{display:flex;flex-direction:column;gap:8px;}
.form__field label{font-size:13px;color:var(--text-2);letter-spacing:.05em;}
.form__field label em{color:var(--copper);font-style:normal;}
.form__field input,.form__field textarea{width:100%;}
.form__field textarea{resize:vertical;min-height:120px;}
.form__code{display:flex;gap:12px;align-items:center;}
.form__code input{flex:1;}
.form__code-img{height:44px;cursor:pointer;border:1px solid var(--line-steel);}
.form .btn{min-width:170px;align-self:flex-start;}
@media (max-width:640px){.form__row{grid-template-columns:1fr;}}

/* ---------- 询价页 ---------- */
.inquiry-wrap{background:var(--bg-panel);border:1px solid var(--line-steel);padding:40px;}
.inquiry-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:30px;}
.inquiry-intro__main p{margin-top:10px;font-size:14px;color:var(--text-muted);line-height:1.8;}
.inquiry-intro__main strong{color:var(--copper);}
.inquiry-intro__main em{color:var(--copper);font-style:normal;}
.inquiry-tips{background:var(--bg-panel);border:1px solid var(--line-steel);padding:26px 32px;margin-top:30px;}
.inquiry-tips h3{font-size:16px;font-weight:700;color:#fff;display:flex;align-items:center;gap:10px;}
.inquiry-tips h3 i{color:var(--copper);}
.inquiry-tips ul{margin-top:14px;display:grid;gap:10px;}
.inquiry-tips li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);}
.inquiry-tips li i{color:var(--copper);font-size:12px;}
@media (max-width:640px){.inquiry-wrap{padding:22px;}}

/* ---------- 搜索页 ---------- */
.search-kw{color:var(--copper);font-style:normal;}
.search-again{margin-top:40px;background:var(--bg-panel);border:1px solid var(--line-steel);padding:26px 32px;text-align:center;}
.search-again p{font-size:14px;color:var(--text-2);margin-bottom:16px;}
.search-again__form{max-width:520px;margin:0 auto;display:flex;gap:0;}
.search-again__form input{flex:1;}
.search-again__form .btn{min-width:0;align-self:auto;}

/* ---------- 展示字体：工业风标题/英文标头/数字/导航/按钮 ---------- */
h1,h2,h3,h4,h5,h6,
.sec-head__kicker,.sec-head__title,
.stat__num,.stat__label,
.header__logo-name,.header__logo-sub,
.nav__link,
.btn,
.cat-wall__name,.cat-wall__spec,
.reel__cat,.reel__title,.reel__link,
.app-card__name,.app-card__sub,
.case-card__title,
.news-item__title,.news-item__date b,
.news-row__title,
.sidebar__head h3,
.inner-banner__title,
.footer h4,.footer__partners-title,
.breadcrumb,
.factory__quote-text,.factory__quote-sub,
.std-card__no,.std-card__name,
.cta__title,
.pagination a,
.contact-cards h3,
.form__title,
.inquiry-intro h2,
.search-again p,
.about-block h2{
  font-family:var(--font-display);
  letter-spacing:.02em;
}
/* 数字计数器用 Barlow 粗体更硬朗 */
.stat__num{font-weight:600;letter-spacing:.01em;}
/* 英文标头加大间距更工业 */
.sec-head__kicker,.header__logo-sub,.footer h4,.inner-banner__sub{letter-spacing:.16em;}