/* ============================================================
   SOKY Industrial — 官网预览样式
   设计基调：SOKY 图册红 #C8102E 主调 + 炭黑/藏青辅助 + 云灰留白（不全红，高端克制）
   ============================================================ */
:root{
  --brand:#B00D24;          /* 主红（深） */
  --brand-2:#C8102E;        /* 主红（SOKY 图册红） */
  --brand-3:#D9263C;        /* 主红（亮） */
  --accent:#C8102E;         /* 主操作色 = 红 */
  --accent-d:#9E0B22;       /* 红 hover 深端 */
  --carbon:#161B22;         /* 炭黑（topbar / hero 底 / footer） */
  --navy:#22304A;           /* 藏青（次级色块） */
  --steel:#46617F;          /* 钢蓝（点缀、链接、图标） */
  --ink:#131A22;
  --ink-2:#2B3542;
  --muted:#5E6C7B;
  --muted-2:#8894A2;
  --line:#E6E9EE;
  --line-2:#EFF1F4;
  --bg:#FFFFFF;
  --soft:#F7F8FA;           /* 云灰 */
  --soft-2:#F1F3F6;
  --ok:#12A05C;
  --warn:#E8A317;
  --danger:#D93B3B;
  --shadow:0 2px 8px rgba(120,10,25,.05);
  --shadow-md:0 6px 22px rgba(120,10,25,.09);
  --shadow-lg:0 18px 48px rgba(120,10,25,.14);
  --radius:6px;
  --radius-lg:10px;
  --max:1280px;
  --topbar:38px;
  --head:74px;
  --bg-2:#F1F3F6;           /* 面板 hover 底（演示引导用） */
  --ring:rgba(200,16,46,.12); /* 聚焦光圈（统一红系） */
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Inter","Helvetica Neue",Helvetica,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;
  color:var(--ink);background:var(--bg);
  font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s,background .18s,border-color .18s}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:14px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.row{display:flex;gap:24px}
.grid{display:grid}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--radius);
  font-size:14px;font-weight:600;letter-spacing:.02em;
  transition:all .2s ease;border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-2);border-color:var(--brand-2);box-shadow:0 6px 18px rgba(176,13,36,.28);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-accent:hover{background:var(--accent-d);border-color:var(--accent-d);box-shadow:0 6px 18px rgba(176,13,36,.3);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--soft-2)}
.btn-outline-w{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-w:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{height:34px;padding:0 14px;font-size:13px}
.btn-lg{height:50px;padding:0 30px;font-size:15px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}

/* ---------- 顶部工具条 ---------- */
.topbar{background:#161B22;color:rgba(255,255,255,.75);font-size:12.5px;height:var(--topbar);display:flex;align-items:center}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px}
.topbar-left{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.topbar-right{display:flex;gap:16px;align-items:center}
.topbar a:hover{color:#fff}
.lang-switch{display:flex;align-items:center;gap:6px}
.lang-switch button{
  color:rgba(255,255,255,.6);font-size:12.5px;padding:2px 6px;border-radius:3px;font-weight:600;
}
.lang-switch button.on{color:#fff;background:rgba(255,255,255,.14)}
.lang-switch span{color:rgba(255,255,255,.3)}

.logo-img{height:42px;width:auto;display:block}
.f-logo-img{height:34px;width:auto;display:block;filter:none}

/* ---------- 头部 ---------- */
.header{
  position:sticky;top:0;z-index:200;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(14,58,98,.04);
}
.header-inner{height:var(--head);display:flex;align-items:center;gap:18px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  min-width:44px;height:40px;padding:0 9px;border-radius:5px;background:linear-gradient(140deg,var(--brand-3),var(--brand));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:13px;letter-spacing:0;
  white-space:nowrap;box-shadow:inset 0 -2px 0 rgba(0,0,0,.15);
}
.logo-mark i{font-style:normal;color:var(--accent)}
.logo-text b{display:block;font-size:19px;letter-spacing:.14em;color:var(--brand);line-height:1.1}
.logo-text span{display:block;font-size:10.5px;letter-spacing:.22em;color:var(--muted-2);text-transform:uppercase}

.nav{display:flex;align-items:center;gap:2px;flex:1}
.nav > li{position:relative}
.nav > li > a{
  display:flex;align-items:center;gap:5px;height:var(--head);padding:0 12px;
  font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;
}
.nav > li > a:hover,.nav > li > a.active{color:var(--brand)}
.nav > li > a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:0;height:3px;background:var(--accent);border-radius:2px 2px 0 0;
}
.caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:4px solid currentColor;opacity:.5;margin-top:2px}

/* Mega menu */
.mega{
  position:absolute;top:var(--head);left:0;min-width:660px;background:#fff;
  border:1px solid var(--line);border-top:2px solid var(--accent);
  box-shadow:var(--shadow-lg);border-radius:0 0 var(--radius) var(--radius);
  padding:22px 24px;display:none;grid-template-columns:repeat(3,1fr);gap:18px;
}
.nav > li:hover .mega{display:grid}
.mega h5{font-size:12px;letter-spacing:.1em;color:var(--muted-2);text-transform:uppercase;margin-bottom:10px;font-weight:700}
.mega a{display:block;padding:6px 0;font-size:14px;color:var(--ink-2);border-bottom:1px dashed transparent}
.mega a:hover{color:var(--accent);padding-left:5px}
.mega-foot{grid-column:1/-1;border-top:1px solid var(--line-2);padding-top:14px;margin-top:4px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}

/* 搜索 */
.head-search{position:relative;width:170px;flex-shrink:0}
.head-search input{
  width:100%;height:38px;border:1px solid var(--line);border-radius:20px;padding:0 38px 0 15px;
  font-size:13.5px;background:var(--soft);outline:none;transition:.2s;
}
.head-search input:focus{border-color:var(--brand-3);background:#fff;box-shadow:0 0 0 3px var(--ring)}
.head-search .s-ico{position:absolute;right:13px;top:50%;transform:translateY(-50%);color:var(--muted-2);font-size:14px}

.head-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.user-chip{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;border-radius:20px;
  background:var(--soft-2);font-size:13.5px;font-weight:600;color:var(--brand);position:relative;
}
.user-chip .avatar{width:24px;height:24px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}
.udrop{position:absolute;top:44px;right:0;width:190px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:6px;display:none;z-index:10}
.user-chip:hover .udrop{display:block}
.udrop a{display:block;padding:8px 12px;border-radius:4px;font-size:13.5px;color:var(--ink-2);font-weight:500}
.udrop a:hover{background:var(--soft);color:var(--brand)}

.burger{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:var(--radius);align-items:center;justify-content:center;flex-direction:column;gap:4px}
.burger span{display:block;width:16px;height:2px;background:var(--ink-2);border-radius:2px}

/* 移动端抽屉 */
.mnav{position:fixed;inset:var(--topbar) 0 0 auto;width:300px;max-width:86vw;background:#fff;z-index:400;transform:translateX(105%);transition:transform .28s ease;box-shadow:var(--shadow-lg);overflow-y:auto;padding:16px 0 40px;display:none}
.mnav.open{transform:translateX(0)}
.mnav a{display:block;padding:12px 22px;font-size:15px;font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--line-2)}
.mask{position:fixed;inset:0;background:rgba(16,12,14,.5);z-index:390;display:none}
.mask.show{display:block}

/* ---------- Hero ---------- */
.hero{position:relative;height:520px;overflow:hidden;background:#161B22}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity .7s ease;display:flex;align-items:center}
.hero-slide.on{opacity:1}
.hero-bg{position:absolute;inset:0}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(16,12,14,.94) 0%,rgba(22,12,15,.74) 46%,rgba(40,10,16,.38) 100%)}
.hero .container{position:relative;z-index:2}
.hero-in{max-width:640px;color:#fff}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(232,181,74,.55);color:#E8B54A;padding:5px 13px;border-radius:20px;font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:20px}
.hero h1{font-size:46px;line-height:1.18;margin-bottom:18px;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{font-size:16px;color:rgba(255,255,255,.8);margin-bottom:28px;max-width:520px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:26px;left:0;right:0;z-index:3;display:flex;justify-content:center;gap:9px}
.hero-dots button{width:30px;height:4px;border-radius:2px;background:rgba(255,255,255,.3);transition:.25s}
.hero-dots button.on{background:var(--accent);width:46px}
.hero-stats{position:absolute;right:0;bottom:88px;z-index:3;display:flex;background:rgba(255,255,255,.06);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.12);border-right:0;border-bottom:0}
.hero-stats div{padding:20px 30px;text-align:center;border-right:1px solid rgba(255,255,255,.12)}
.hero-stats b{display:block;font-size:28px;color:#fff;line-height:1.2}
.hero-stats span{font-size:12px;color:rgba(255,255,255,.65)}

/* ---------- 板块 ---------- */
.section{padding:74px 0}
.section-soft{background:var(--soft)}
.sec-head{text-align:center;margin-bottom:44px}
.sec-head .eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--accent);text-transform:uppercase;margin-bottom:10px}
.sec-head h2{font-size:32px;color:var(--brand);margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:15px;max-width:640px;margin:0 auto}
.sec-head.left{text-align:left}
.sec-head.left p{margin:0}

/* 能力条 */
.caps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:-46px;position:relative;z-index:10}
.cap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow);transition:.25s}
.cap:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(200,16,46,.32)}
.cap .ci{width:44px;height:44px;border-radius:8px;background:var(--soft-2);display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--brand-3)}
.cap h4{font-size:15.5px;margin-bottom:6px;color:var(--ink)}
.cap p{font-size:13.5px;color:var(--muted);line-height:1.6}

/* 分类矩阵 */
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;
  display:flex;flex-direction:column;transition:.25s;
}
.cat:hover{border-color:var(--brand-3);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.cat-img{height:180px;position:relative;overflow:hidden;background:var(--soft-2)}
.cat-img .cnum{position:absolute;right:14px;bottom:12px;font-size:12px;color:#fff;background:rgba(22,27,34,.62);padding:3px 10px;border-radius:12px;backdrop-filter:blur(4px)}
.cat-body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column}
.cat-body h3{font-size:17px;color:var(--brand);margin-bottom:6px;display:flex;align-items:center;justify-content:space-between}
.cat-body h3 .arrow{color:var(--accent);font-size:18px;transition:.2s}
.cat:hover .cat-body h3 .arrow{transform:translateX(4px)}
.cat-body p{font-size:13.5px;color:var(--muted);margin-bottom:14px;flex:1}
.cat-tags{display:flex;flex-wrap:wrap;gap:6px}
.cat-tags span{font-size:12px;color:var(--ink-2);background:var(--soft);border:1px solid var(--line);padding:3px 9px;border-radius:3px}

/* 产品卡 */
.products{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pcard{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:.24s;display:flex;flex-direction:column}
.pcard:hover{border-color:var(--brand-3);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.pcard-img{height:190px;background:var(--soft);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.pcard-img .badge{position:absolute;left:10px;top:10px;background:var(--accent);color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:3px;letter-spacing:.03em}
.pcard-img .dl{position:absolute;right:10px;top:10px;width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--brand);box-shadow:var(--shadow)}
.pcard-body{padding:15px 16px 17px;flex:1;display:flex;flex-direction:column}
.pcard-model{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.04em;margin-bottom:5px}
.pcard-body h4{font-size:14.5px;color:var(--ink);margin-bottom:8px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:42px}
.pcard-meta{font-size:12.5px;color:var(--muted);display:flex;gap:12px;margin-bottom:12px}
.pcard-foot{border-top:1px dashed var(--line);padding-top:11px;display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--muted-2)}
.pcard-foot .go{color:var(--brand);font-weight:600;display:flex;align-items:center;gap:4px}
.pcard:hover .pcard-foot .go{color:var(--accent)}

/* 行业 */
.industries{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.ind{border:1px solid var(--line);border-radius:var(--radius);padding:20px 14px;text-align:center;background:#fff;transition:.24s}
.ind:hover{border-color:var(--brand-3);background:var(--soft-2);transform:translateY(-3px)}
.ind .ii{width:46px;height:46px;margin:0 auto 12px;border-radius:10px;background:var(--soft-2);display:flex;align-items:center;justify-content:center;color:var(--brand-3);transition:.24s}
.ind:hover .ii{background:var(--brand);color:#fff}
.ind span{font-size:13.5px;font-weight:600;color:var(--ink-2)}

/* 关于 */
.about-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.about-nums{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px;padding-top:26px;border-top:1px solid var(--line)}
.about-nums b{display:block;font-size:26px;color:var(--accent);line-height:1.2}
.about-nums span{font-size:12.5px;color:var(--muted)}
.about-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);position:relative}
.about-img .tag{position:absolute;left:0;bottom:0;background:var(--brand);color:#fff;padding:14px 20px;font-size:13px;border-radius:0 var(--radius) 0 0}
.about-img .tag b{display:block;font-size:17px}

/* 新闻 */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.24s;display:flex;flex-direction:column}
.ncard:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:rgba(200,16,46,.32)}
.ncard-img{height:170px;background:var(--soft-2);position:relative}
.ncard-date{position:absolute;left:14px;top:14px;background:#fff;border-radius:4px;padding:5px 10px;text-align:center;box-shadow:var(--shadow);line-height:1.15}
.ncard-date b{display:block;font-size:18px;color:var(--brand)}
.ncard-date span{font-size:11px;color:var(--muted)}
.ncard-body{padding:18px 18px 20px;flex:1;display:flex;flex-direction:column}
.ncard-body h4{font-size:15px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ncard-body p{font-size:13.5px;color:var(--muted);flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.ncard-more{font-size:13px;color:var(--brand);font-weight:600;display:flex;align-items:center;gap:5px}

/* CTA */
.cta{background:linear-gradient(110deg,var(--brand) 0%,#161B22 100%);color:#fff;padding:56px 0;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;background:rgba(232,181,74,.1)}
.cta-in{display:flex;justify-content:space-between;align-items:center;gap:30px;position:relative;z-index:2;flex-wrap:wrap}
.cta-in h3{font-size:27px;margin-bottom:8px}
.cta-in p{color:rgba(255,255,255,.78);font-size:14.5px}

/* ---------- 页脚 ---------- */
.footer{background:#131820;color:rgba(255,255,255,.66);padding:56px 0 0;font-size:13.5px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer h5{color:#fff;font-size:14px;margin-bottom:18px;letter-spacing:.04em}
.footer li{padding:5px 0}
.footer li a:hover{color:#fff;padding-left:4px}
.footer .f-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer .f-logo .logo-mark{background:linear-gradient(140deg,var(--brand-3),var(--brand))}
.footer .f-logo b{color:#fff;font-size:18px;letter-spacing:.14em}
.footer-contact li{display:flex;gap:10px;padding:7px 0}
.footer-contact b{color:rgba(255,255,255,.9);font-weight:600}
.f-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12.5px;color:rgba(255,255,255,.45)}

/* ---------- 面包屑 + 页头 ---------- */
.pagehead{background:linear-gradient(120deg,var(--soft-2),#fff);border-bottom:1px solid var(--line);padding:34px 0 30px}
.crumb{font-size:12.5px;color:var(--muted);margin-bottom:12px;display:flex;gap:7px;align-items:center;flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.crumb i{font-style:normal;color:var(--muted-2)}
.pagehead h1{font-size:30px;color:var(--brand);margin-bottom:8px}
.pagehead p{color:var(--muted);font-size:14.5px;max-width:720px}
.pagehead .ph-meta{display:flex;gap:20px;margin-top:16px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.pagehead .ph-meta b{color:var(--ink-2);font-weight:600}

/* ---------- 产品列表 ---------- */
.plist{display:grid;grid-template-columns:250px 1fr;gap:30px;padding:38px 0 70px;align-items:start}
.sidebar{position:sticky;top:calc(var(--head) + 20px);background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.side-h{background:var(--brand);color:#fff;padding:13px 18px;font-size:14px;font-weight:700;letter-spacing:.04em;display:flex;justify-content:space-between;align-items:center}
.side-h span{font-size:11.5px;opacity:.7;font-weight:500}
.side-group{border-bottom:1px solid var(--line-2)}
.side-group > a{
  display:flex;justify-content:space-between;align-items:center;padding:12px 18px;
  font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;
}
.side-group > a:hover{background:var(--soft);color:var(--brand)}
.side-group > a .tog{font-size:11px;color:var(--muted-2);transition:.2s}
.side-group.open > a{color:var(--brand);background:var(--soft-2)}
.side-group.open > a .tog{transform:rotate(90deg)}
.side-sub{display:none;padding:2px 0 10px;background:var(--soft)}
.side-group.open .side-sub{display:block}
.side-sub a{display:flex;justify-content:space-between;padding:7px 18px 7px 30px;font-size:13.5px;color:var(--muted)}
.side-sub a:hover,.side-sub a.on{color:var(--accent);background:#fff}
.side-sub a em{font-style:normal;font-size:11.5px;color:var(--muted-2)}
.side-filter{padding:16px 18px;border-bottom:1px solid var(--line-2)}
.side-filter h6{font-size:12.5px;color:var(--muted-2);letter-spacing:.06em;text-transform:uppercase;margin-bottom:10px;font-weight:700}
.chk{display:flex;align-items:center;gap:8px;padding:5px 0;font-size:13.5px;color:var(--ink-2);cursor:pointer}
.chk input{accent-color:var(--brand);width:14px;height:14px}
.chk:hover{color:var(--brand)}

.list-toolbar{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:13px 18px;margin-bottom:22px;
}
.tool-search{display:flex;gap:0;flex:1;max-width:400px}
.tool-search input{flex:1;height:38px;border:1px solid var(--line);border-right:0;border-radius:var(--radius) 0 0 var(--radius);padding:0 14px;outline:none;font-size:14px}
.tool-search input:focus{border-color:var(--brand-3)}
.tool-search button{height:38px;padding:0 20px;background:var(--brand);color:#fff;border-radius:0 var(--radius) var(--radius) 0;font-size:14px;font-weight:600}
.tool-search button:hover{background:var(--brand-2)}
.tool-right{display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--muted)}
.tool-right select{height:38px;border:1px solid var(--line);border-radius:var(--radius);padding:0 10px;color:var(--ink-2);background:#fff;outline:none}
.tool-tags{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.tool-tags .chip{font-size:13px;border:1px solid var(--line);padding:4px 12px;border-radius:16px;color:var(--ink-2);background:#fff}
.tool-tags .chip.on{background:var(--brand);border-color:var(--brand);color:#fff}
.tool-tags .chip:hover{border-color:var(--brand-3)}
.tool-tags .clear{font-size:12.5px;color:var(--muted);text-decoration:underline}
.products.list{grid-template-columns:repeat(3,1fr);gap:20px}
.empty{padding:70px 0;text-align:center;color:var(--muted)}
.empty .ei{font-size:40px;opacity:.35;margin-bottom:12px}
.pager{display:flex;justify-content:center;gap:7px;margin-top:34px}
.pager button{min-width:36px;height:36px;border:1px solid var(--line);border-radius:var(--radius);font-size:13.5px;color:var(--ink-2);background:#fff}
.pager button.on{background:var(--brand);border-color:var(--brand);color:#fff}
.pager button:hover:not(.on){border-color:var(--brand-3);color:var(--brand)}

/* ---------- 产品详情 ---------- */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:44px;padding:38px 0 60px;align-items:start}
.pd-gallery{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.pd-main{height:400px;background:var(--soft);display:flex;align-items:center;justify-content:center;position:relative}
.pd-main .zoom{position:absolute;right:12px;bottom:12px;background:rgba(255,255,255,.9);border-radius:4px;padding:5px 10px;font-size:12px;color:var(--muted);box-shadow:var(--shadow)}
.pd-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-top:1px solid var(--line)}
.pd-thumbs button{height:82px;background:#fff;display:flex;align-items:center;justify-content:center;transition:.2s;position:relative}
.pd-thumbs button:hover,.pd-thumbs button.on{background:var(--soft-2)}
.pd-thumbs button.on::after{content:"";position:absolute;inset:0;border:2px solid var(--brand-3);pointer-events:none}
.pd-info h1{font-size:26px;color:var(--brand);margin-bottom:10px;line-height:1.35}
.pd-model{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.pd-model b{color:var(--accent);font-weight:700}
.pd-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.pd-tags span{font-size:12.5px;background:var(--soft-2);color:var(--brand);padding:4px 11px;border-radius:3px;font-weight:600}
.pd-desc{font-size:14.5px;color:var(--ink-2);line-height:1.8;padding-bottom:20px;border-bottom:1px solid var(--line-2);margin-bottom:20px}
.pd-actions{display:flex;gap:12px;margin-bottom:24px;flex-wrap:wrap}
.spec-table{width:100%;border-collapse:collapse;font-size:14px;margin-bottom:6px}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.spec-table th{background:var(--soft);width:120px;color:var(--ink-2);font-weight:600;white-space:nowrap}
.spec-table td{color:var(--ink-2)}

.pd-tabs{border:1px solid var(--line);border-radius:var(--radius);margin-top:10px;overflow:hidden}
.pd-tabs-nav{display:flex;background:var(--soft);border-bottom:1px solid var(--line);overflow-x:auto}
.pd-tabs-nav button{padding:13px 24px;font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;border-bottom:2px solid transparent}
.pd-tabs-nav button.on{color:var(--brand);background:#fff;border-bottom-color:var(--accent)}
.pd-tab{padding:24px;display:none;font-size:14.5px;color:var(--ink-2);line-height:1.85}
.pd-tab.on{display:block}
.pd-tab ul li{padding:5px 0 5px 18px;position:relative}
.pd-tab ul li::before{content:"";position:absolute;left:2px;top:14px;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.dl-box{background:var(--soft-2);border:1px dashed var(--brand-3);border-radius:var(--radius);padding:20px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.dl-box h5{font-size:15px;color:var(--brand);margin-bottom:4px}
.dl-box p{font-size:13px;color:var(--muted)}

/* ---------- 表单 / 卡片 ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.card-h{padding:16px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;background:var(--soft)}
.card-h h3{font-size:16px;color:var(--brand)}
.card-b{padding:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field label .req{color:var(--danger)}
.field input,.field select,.field textarea{
  width:100%;height:42px;border:1px solid var(--line);border-radius:var(--radius);padding:0 13px;
  outline:none;transition:.2s;background:#fff;color:var(--ink);
}
.field textarea{height:auto;padding:11px 13px;resize:vertical;min-height:88px;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-3);box-shadow:0 0 0 3px var(--ring)}
.field .hint{font-size:12px;color:var(--muted-2);margin-top:6px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.7}

/* ---------- 登录注册 ---------- */
.auth-wrap{min-height:calc(100vh - var(--topbar) - var(--head) - 220px);display:flex;align-items:center;padding:50px 0 70px}
.auth{display:grid;grid-template-columns:1fr 460px;gap:60px;align-items:center;width:100%}
.auth-side h2{font-size:30px;color:var(--brand);margin-bottom:16px;line-height:1.35}
.auth-side p{color:var(--muted);font-size:15px;margin-bottom:26px}
.auth-benefits li{display:flex;gap:12px;padding:9px 0;font-size:14.5px;color:var(--ink-2)}
.auth-benefits .bi{width:22px;height:22px;border-radius:50%;background:rgba(18,160,92,.12);color:var(--ok);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;margin-top:2px}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-md)}
.auth-card h3{font-size:22px;color:var(--brand);margin-bottom:6px}
.auth-card .sub{font-size:13.5px;color:var(--muted);margin-bottom:24px}
.auth-switch{text-align:center;font-size:13.5px;color:var(--muted);padding-top:18px;border-top:1px solid var(--line-2);margin-top:6px}
.auth-switch a{color:var(--brand);font-weight:600}
.divider{display:flex;align-items:center;gap:12px;color:var(--muted-2);font-size:12px;margin:18px 0}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}

/* ---------- 用户中心 ---------- */
.acct{display:grid;grid-template-columns:230px 1fr;gap:28px;padding:38px 0 70px;align-items:start}
.acct-nav{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;position:sticky;top:calc(var(--head) + 20px)}
.acct-nav .an-h{padding:18px;background:var(--brand);color:#fff;text-align:center}
.acct-nav .an-h .avatar{width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.2);margin:0 auto 8px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700}
.acct-nav .an-h b{display:block;font-size:14.5px}
.acct-nav .an-h span{font-size:11.5px;opacity:.72}
.acct-nav a{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;font-size:14px;color:var(--ink-2);border-bottom:1px solid var(--line-2)}
.acct-nav a:hover{background:var(--soft);color:var(--brand)}
.acct-nav a.on{background:var(--soft-2);color:var(--brand);font-weight:600;border-left:3px solid var(--accent)}
.acct-nav a em{font-style:normal;font-size:11.5px;background:var(--accent);color:#fff;border-radius:10px;padding:1px 7px}
.quota{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:22px}
.qi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;display:flex;align-items:center;gap:16px}
.qi .qi-ico{width:42px;height:42px;border-radius:8px;background:var(--soft-2);color:var(--brand-3);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.qi b{display:block;font-size:22px;color:var(--brand);line-height:1.2}
.qi span{font-size:12.5px;color:var(--muted)}
.bar{height:6px;background:var(--line-2);border-radius:3px;overflow:hidden;margin-top:8px}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand-3),var(--accent));border-radius:3px}

/* 表格 */
.table{width:100%;border-collapse:collapse;font-size:13.5px}
.table th{background:var(--soft);padding:11px 14px;text-align:left;font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--line);white-space:nowrap}
.table td{padding:12px 14px;border-bottom:1px solid var(--line-2);color:var(--ink-2);vertical-align:middle}
.table tr:hover td{background:#FBFCFE}
.table .t-main{font-weight:600;color:var(--ink)}
.table .t-sub{font-size:12px;color:var(--muted-2);display:block;margin-top:2px}
.table-actions{display:flex;gap:6px;flex-wrap:wrap}

/* 状态标签 */
.st{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:3px 10px;border-radius:12px;white-space:nowrap}
.st::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.st-pending{background:rgba(232,163,23,.13);color:#B87D07}
.st-approved{background:rgba(18,160,92,.13);color:#0B8047}
.st-rejected{background:rgba(217,59,59,.12);color:#C22C2C}
.st-done{background:rgba(70,97,127,.13);color:#3E5A78}
.st-gray{background:var(--soft);color:var(--muted)}
.st-live{background:rgba(18,160,92,.13);color:#0B8047}

/* ---------- 后台 ---------- */
.admin{display:grid;grid-template-columns:220px 1fr;min-height:100vh;background:var(--soft)}
.admin-side{background:#131820;color:rgba(255,255,255,.72);padding:0;position:sticky;top:0;height:100vh;overflow-y:auto}
.admin-side .as-logo{display:flex;align-items:center;gap:10px;padding:20px 20px 18px;border-bottom:1px solid rgba(255,255,255,.1)}
.admin-side .as-logo .logo-mark{min-width:34px;height:34px;font-size:11px;padding:0 6px}
.admin-side .as-logo b{color:#fff;font-size:16px;letter-spacing:.12em}
.admin-side .as-logo span{display:block;font-size:9.5px;letter-spacing:.16em;color:rgba(255,255,255,.45)}
.as-sec{font-size:10.5px;letter-spacing:.14em;color:rgba(255,255,255,.35);padding:18px 20px 8px;text-transform:uppercase;font-weight:700}
.admin-side a{display:flex;align-items:center;gap:11px;padding:11px 20px;font-size:14px;color:rgba(255,255,255,.72);border-left:3px solid transparent}
.admin-side a:hover{background:rgba(255,255,255,.06);color:#fff}
.admin-side a.on{background:rgba(200,16,46,.22);color:#fff;border-left-color:var(--brand-3);font-weight:600}
.admin-side a .ic{width:18px;text-align:center;font-size:15px}
.admin-side a .cnt{margin-left:auto;background:var(--danger);color:#fff;font-size:11px;border-radius:10px;padding:1px 7px;font-weight:700}
.admin-main{padding:0;min-width:0}
.admin-top{background:#fff;border-bottom:1px solid var(--line);padding:16px 28px;display:flex;justify-content:space-between;align-items:center;gap:16px;position:sticky;top:0;z-index:50}
.admin-top h2{font-size:19px;color:var(--brand)}
.admin-top .at-r{display:flex;align-items:center;gap:14px;font-size:13.5px;color:var(--muted)}
.admin-body{padding:26px 28px 60px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.stat .s-t{font-size:13px;color:var(--muted);margin-bottom:10px;display:flex;justify-content:space-between;align-items:center}
.stat .s-t .ic{width:34px;height:34px;border-radius:8px;background:var(--soft-2);color:var(--brand-3);display:flex;align-items:center;justify-content:center;font-size:15px}
.stat b{display:block;font-size:28px;color:var(--brand);line-height:1.15;letter-spacing:-.02em}
.stat .s-d{font-size:12.5px;margin-top:8px;color:var(--muted-2)}
.stat .s-d .up{color:var(--ok);font-weight:700}
.stat .s-d .down{color:var(--danger);font-weight:700}
.admin-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;margin-bottom:20px}
.admin-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.ac-h{padding:15px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:14px}
.ac-h h3{font-size:15.5px;color:var(--brand)}
.ac-h .tabs{display:flex;gap:4px}
.ac-h .tabs button{font-size:13px;padding:5px 12px;border-radius:14px;color:var(--muted)}
.ac-h .tabs button.on{background:var(--brand);color:#fff}
.ac-b{padding:18px 20px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.toolbar input,.toolbar select{height:36px;border:1px solid var(--line);border-radius:var(--radius);padding:0 12px;outline:none;font-size:13.5px;background:#fff}
.toolbar input:focus,.toolbar select:focus{border-color:var(--brand-3)}
.toolbar .grow{flex:1;min-width:180px}
.log-list li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line-2);font-size:13.5px}
.log-list li:last-child{border-bottom:0}
.log-list .lt{color:var(--muted-2);font-size:12px;white-space:nowrap}
.log-list .lc{color:var(--ink-2)}
.log-list .lc b{color:var(--ink);font-weight:600}

/* 迷你图 */
.spark{display:flex;align-items:flex-end;gap:4px;height:52px}
.spark i{flex:1;background:linear-gradient(180deg,var(--brand-3),rgba(200,16,46,.22));border-radius:2px 2px 0 0;min-height:4px;display:block;transition:.3s}
.spark i:hover{background:var(--accent)}

/* 弹窗 */
.modal{position:fixed;inset:0;background:rgba(16,12,14,.55);z-index:500;display:none;align-items:center;justify-content:center;padding:20px}
.modal.show{display:flex}
.modal-box{background:#fff;border-radius:var(--radius-lg);width:100%;max-width:520px;max-height:86vh;overflow-y:auto;box-shadow:var(--shadow-lg)}
.modal-h{padding:18px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal-h h3{font-size:17px;color:var(--brand)}
.modal-h .x{font-size:22px;color:var(--muted-2);line-height:1}
.modal-b{padding:22px 24px}
.modal-f{padding:16px 24px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px;background:var(--soft)}

/* Toast */
.toasts{position:fixed;right:22px;bottom:22px;z-index:900;display:flex;flex-direction:column;gap:10px}
.toast{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--ok);border-radius:var(--radius);
  padding:13px 18px;box-shadow:var(--shadow-md);font-size:14px;color:var(--ink-2);min-width:250px;
  animation:slidein .28s ease;display:flex;gap:10px;align-items:flex-start;
}
.toast.err{border-left-color:var(--danger)}
.toast.info{border-left-color:var(--brand-3)}
.toast b{display:block;color:var(--ink);font-size:14px;margin-bottom:2px}
.toast span{font-size:12.5px;color:var(--muted)}
@keyframes slidein{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:none}}

/* 提示条 */
.notice{background:rgba(232,163,23,.1);border:1px solid rgba(232,163,23,.35);border-radius:var(--radius);padding:13px 16px;font-size:13.5px;color:#8A5D06;display:flex;gap:10px;align-items:flex-start;margin-bottom:18px}
.notice.info{background:rgba(70,97,127,.08);border-color:rgba(70,97,127,.3);color:#3E5A78}
.notice .ni{font-size:15px}

/* 预览水印 */
.preview-tag{
  position:fixed;left:0;bottom:0;z-index:800;background:var(--accent);color:#fff;
  font-size:11.5px;font-weight:700;letter-spacing:.08em;padding:5px 14px;border-radius:0 6px 0 0;
  box-shadow:0 -2px 10px rgba(0,0,0,.15);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .products{grid-template-columns:repeat(3,1fr)}
  .industries{grid-template-columns:repeat(3,1fr)}
  .hero h1{font-size:38px}
  .caps{grid-template-columns:repeat(2,1fr)}
  .mega{min-width:560px}
}
@media (max-width:980px){
  .nav,.head-search{display:none}
  .burger{display:flex}
  .mnav{display:block}
  .pd{grid-template-columns:1fr;gap:28px}
  .about-wrap{grid-template-columns:1fr;gap:32px}
  .auth{grid-template-columns:1fr;gap:36px}
  .auth-side{display:none}
  .plist{grid-template-columns:1fr}
  .sidebar{position:static}
  .acct{grid-template-columns:1fr}
  .acct-nav{position:static}
  .admin{grid-template-columns:1fr}
  .admin-side{display:none}
  .admin-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .hero-stats{display:none}
  .products.list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .hero{height:420px}
  .hero h1{font-size:29px}
  .hero p{font-size:14.5px}
  .cats{grid-template-columns:1fr}
  .products,.products.list{grid-template-columns:repeat(2,1fr);gap:14px}
  .news{grid-template-columns:1fr}
  .industries{grid-template-columns:repeat(2,1fr)}
  .caps{grid-template-columns:1fr;margin-top:0;padding-top:20px}
  .about-nums{grid-template-columns:repeat(2,1fr)}
  .quota{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .sec-head h2{font-size:25px}
  .pd-main{height:280px}
  .pd-thumbs button{height:62px}
  .field-row{grid-template-columns:1fr}
  .admin-body{padding:18px 16px 50px}
  .admin-top{padding:14px 16px}
  .toolbar input,.toolbar select{width:100%}
  .table-wrap{overflow-x:auto}
  .table{min-width:640px}
  .pd-tabs-nav button{padding:12px 16px;font-size:13.5px}
}

/* ============================================================
   演示动线引导（Demo Guide）
   ============================================================ */
#demo-guide{position:fixed;right:22px;bottom:22px;z-index:9000;font-family:inherit}
.dg-fab{
  display:flex;align-items:center;gap:8px;
  background:linear-gradient(140deg,var(--brand-3),var(--brand));color:#fff;
  border:0;border-radius:999px;padding:12px 18px;cursor:pointer;
  font-size:14px;font-weight:700;letter-spacing:.2px;
  box-shadow:0 8px 24px rgba(0,0,0,.28),0 2px 6px rgba(0,0,0,.18);
  transition:transform .2s,box-shadow .2s;
}
.dg-fab:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.34)}
.dg-fab i{
  font-style:normal;font-size:12px;font-weight:700;
  background:rgba(255,255,255,.22);border-radius:999px;padding:2px 8px;
}
#demo-guide.open .dg-fab{display:none}

.dg-panel{
  width:400px;max-height:calc(100vh - 90px);overflow:auto;
  background:#fff;border-radius:14px;border:1px solid var(--line);
  box-shadow:0 18px 50px rgba(0,0,0,.24);display:none;
}
#demo-guide.open .dg-panel{display:block;animation:dgIn .22s ease}
@keyframes dgIn{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}

.dg-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 18px 12px;border-bottom:1px solid var(--line-2);
}
.dg-head b{display:block;font-size:15.5px;color:var(--ink)}
.dg-head span{font-size:12.5px;color:var(--muted)}
.dg-head>div{display:flex;flex-direction:column;gap:2px}
.dg-x{
  background:none;border:0;font-size:24px;line-height:1;color:var(--muted);
  cursor:pointer;padding:0 4px;border-radius:6px;
}
.dg-x:hover{background:var(--bg-2);color:var(--ink)}
.dg-bar{height:3px;background:var(--bg-2)}
.dg-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand-3),var(--accent));transition:width .35s}

.dg-list{padding:8px 12px}
.dg-item{
  display:flex;align-items:flex-start;gap:10px;padding:11px 8px;
  border-radius:9px;transition:background .15s;
}
.dg-item:hover{background:var(--bg-2)}
.dg-item.here{background:rgba(255,255,255,.04)}
.dg-ico{
  flex-shrink:0;width:20px;height:20px;border-radius:50%;margin-top:2px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;
  background:var(--bg-2);color:var(--muted);border:1px solid var(--line);
}
.dg-item.done .dg-ico{background:var(--ok,#1a9c5b);color:#fff;border-color:transparent}
.dg-item.here:not(.done) .dg-ico{background:var(--brand-3);color:#fff;border-color:transparent}
.dg-txt{flex:1;min-width:0}
.dg-txt b{display:block;font-size:13.8px;color:var(--ink);line-height:1.45}
.dg-item.done .dg-txt b{color:var(--muted)}
.dg-txt span{display:block;font-size:12.2px;color:var(--muted);line-height:1.5;margin-top:3px}
.dg-go{
  flex-shrink:0;align-self:center;font-size:12.5px;font-weight:700;color:var(--brand);
  border:1px solid var(--line);border-radius:7px;padding:5px 11px;background:#fff;
  white-space:nowrap;transition:.15s;
}
.dg-go:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

.dg-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 18px 16px;border-top:1px solid var(--line-2);
}
.dg-foot span{font-size:11.8px;color:var(--muted)}
.dg-reset{
  background:none;border:1px solid var(--line);border-radius:7px;
  padding:6px 12px;font-size:12.5px;color:var(--muted);cursor:pointer;
}
.dg-reset:hover{border-color:var(--danger,#c0392b);color:var(--danger,#c0392b)}

@media (max-width:640px){
  #demo-guide{right:12px;bottom:12px;left:12px}
  .dg-panel{width:100%}
  .dg-fab{width:100%;justify-content:center}
  /* topbar：小屏隐藏欢迎语与登录/注册链接（header 内已有按钮），防换行 */
  .topbar-left span:first-child{display:none}
  .topbar-right a:not(.lang-switch a){display:none}
  .topbar-right{gap:10px}
  .topbar .lang-switch{white-space:nowrap}
}

/* ============================================================
   v2 新增：关于双羽子菜单 / 应用领域 / 荣誉资质 / 专利证书
   ============================================================ */
.mega--slim{min-width:200px;grid-template-columns:1fr;padding:10px 14px}
.mega--slim a{padding:9px 4px;font-size:13.8px;border-bottom:1px solid var(--line-2)}
.mega--slim a:hover{color:var(--brand);padding-left:8px}

/* 页面页头 */
.page-hero{background:linear-gradient(120deg,#161B22 0%,#3A1418 70%,#6E0C1A 100%);color:#fff;padding:64px 0 58px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-120px;top:-80px;width:380px;height:380px;border:2px solid rgba(255,255,255,.08);border-radius:50%}
.page-hero .eyebrow{color:#E8B54A;letter-spacing:.28em;font-size:12px;font-weight:700;text-transform:uppercase;margin-bottom:10px}
.page-hero h1{font-size:32px;letter-spacing:.02em}
.page-hero p{margin-top:12px;color:rgba(255,255,255,.72);max-width:760px;font-size:14.5px}
.crumb{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.page-hero .crumb{color:rgba(255,255,255,.55)}
.page-hero .crumb a{color:rgba(255,255,255,.75)}
.page-hero .crumb a:hover{color:#fff}

/* 应用领域 */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.app-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;transition:.2s}
.app-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:#F0C8CE}
.app-card-img{position:relative;background:linear-gradient(135deg,#3A1418,#161B22)}
.app-card-img svg{width:100%;height:auto;display:block}
.app-card-ico{position:absolute;left:18px;top:18px;width:46px;height:46px;border-radius:10px;background:rgba(255,255,255,.12);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;color:#E8B54A;border:1px solid rgba(255,255,255,.18)}
.app-card-bd{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.app-card-bd h3{font-size:17.5px}
.app-card-bd h3 small{display:block;font-size:11.5px;letter-spacing:.14em;color:var(--muted-2);text-transform:uppercase;font-weight:600;margin-top:3px}
.app-card-bd p{font-size:13.8px;color:var(--muted);line-height:1.7}
.app-pts{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px}
.app-pts li{font-size:13px;color:var(--ink-2);padding-left:20px;position:relative;line-height:1.55}
.app-pts li::before{content:"";position:absolute;left:2px;top:8px;width:8px;height:8px;border-radius:2px;background:var(--brand-2);transform:rotate(45deg)}
.app-prods{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.app-prods a{font-size:12px;font-weight:600;color:var(--brand);background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:3px 11px}
.app-prods a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* 荣誉资质 */
.honor-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.honor-card{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;transition:.2s}
.honor-card:hover{box-shadow:var(--shadow-md)}
.honor-seal{flex-shrink:0;width:84px;height:106px;border-radius:6px;background:linear-gradient(160deg,#FDF5F6,#F7E3E6);border:1px solid #EFC9CF;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--brand)}
.honor-seal b{font-size:22px;letter-spacing:.06em}
.honor-seal span{font-size:10px;letter-spacing:.18em;color:var(--muted-2);text-transform:uppercase}
.honor-bd h3{font-size:16.5px;line-height:1.45}
.honor-bd h3 small{display:block;font-size:12px;color:var(--muted-2);font-weight:600;margin-top:3px}
.honor-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:10px;font-size:12.8px;color:var(--muted)}
.honor-meta b{color:var(--ink-2);font-weight:600}
.honor-bd p{font-size:13.3px;color:var(--muted);margin-top:9px;line-height:1.65}
.st-tag{display:inline-flex;align-items:center;gap:5px;font-size:11.8px;font-weight:700;color:var(--ok);background:#EAF7F0;border-radius:20px;padding:2px 10px}
.st-tag.gold{color:#9A7B1C;background:#FBF4DE}

/* 专利证书（文字化列表，AI 可检索） */
.pat-note{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;font-size:13px;color:var(--muted);margin:0 0 22px}
.pat-note b{color:var(--brand)}
.pat-list{display:flex;flex-direction:column;gap:14px}
.pat-item{display:grid;grid-template-columns:170px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand-2);border-radius:var(--radius);padding:18px 22px;transition:.18s}
.pat-item:hover{box-shadow:var(--shadow-md);transform:translateX(3px)}
.pat-no{font-family:"SFMono-Regular",Consolas,monospace;font-size:14.5px;font-weight:700;color:var(--brand);letter-spacing:.02em;word-break:break-all}
.pat-no small{display:block;font-family:inherit;font-size:11.5px;font-weight:600;color:var(--muted-2);letter-spacing:.08em;margin-top:5px;text-transform:uppercase}
.pat-bd h3{font-size:15.5px;line-height:1.5}
.pat-bd p{font-size:12.8px;color:var(--muted);margin-top:4px}
.pat-meta{text-align:right;display:flex;flex-direction:column;gap:6px;align-items:flex-end}
.pat-type{display:inline-block;font-size:11.5px;font-weight:700;padding:2px 10px;border-radius:20px;background:var(--soft-2);color:var(--steel)}
.pat-type.inv{background:#FBEDEA;color:var(--brand)}
.pat-type.des{background:#EEF3F8;color:#3E6B96}
.pat-date{font-size:12px;color:var(--muted-2)}
.pat-link{font-size:12.5px;font-weight:600;color:var(--brand)}
.pat-link:hover{text-decoration:underline}
@media (max-width:900px){
  .app-grid{grid-template-columns:1fr 1fr}
  .honor-grid{grid-template-columns:1fr}
  .pat-item{grid-template-columns:1fr;gap:12px}
  .pat-meta{align-items:flex-start;text-align:left}
}
@media (max-width:620px){.app-grid{grid-template-columns:1fr}}

/* ============================================================
   v3：三端自适应强化（PC / 平板 / 手机）+ 美工细节
   ============================================================ */

/* ---------- 全局细节 ---------- */
::selection{background:rgba(200,16,46,.16)}
/* 桌面端细滚动条（移动端系统默认） */
@media (hover:hover) and (pointer:fine){
  ::-webkit-scrollbar{width:9px;height:9px}
  ::-webkit-scrollbar-track{background:var(--soft-2)}
  ::-webkit-scrollbar-thumb{background:#C7CDD6;border-radius:5px;border:2px solid var(--soft-2)}
  ::-webkit-scrollbar-thumb:hover{background:#AEB6C2}
}
/* 键盘可达性：焦点可见但不刺眼 */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--brand-3);outline-offset:2px;border-radius:3px;
}
/* 触屏设备：去掉 hover 位移，避免"粘住" */
@media (hover:none){
  .cap:hover,.cat:hover,.pcard:hover,.ncard:hover,.ind:hover,.app-card:hover,.honor-card:hover,.pat-item:hover{transform:none}
}
/* 中英切换按钮与头部操作在窄屏的点击区域 */
.lang-switch button{min-height:26px;min-width:32px}

/* ---------- 大屏 1440+：放宽容器，防两侧空旷 ---------- */
@media (min-width:1440px){
  :root{--max:1360px}
  .hero{height:560px}
  .hero h1{font-size:50px}
  .section{padding:86px 0}
}

/* ---------- 平板横屏 ~1180：先收搜索框，防导航挤压 ---------- */
@media (max-width:1180px){
  .head-search{display:none}
  .cats{grid-template-columns:repeat(2,1fr)}
  .nav > li > a{padding:0 9px;font-size:13.5px}
}

/* ---------- 平板竖屏 ~1020：桌面导航退场，汉堡接管 ---------- */
@media (max-width:1020px) and (min-width:981px){
  .nav{display:none}
  .burger{display:flex}
  .mnav{display:block}
}

/* ---------- 平板 & 手机通用 980 ---------- */
@media (max-width:980px){
  .hero{height:480px}
  .hero h1{font-size:36px}
  .hero-stats{right:16px;bottom:20px;border:1px solid rgba(255,255,255,.12)}
  .hero-stats div{padding:12px 18px}
  .hero-stats b{font-size:20px}
  .page-hero{padding:46px 0 42px}
  .page-hero h1{font-size:26px}
  .industries{grid-template-columns:repeat(3,1fr)}
  /* 列表页：筛选面板默认收起，点"筛选"展开（平板+手机） */
  .side-toggle{display:flex!important}
  .sidebar{display:none;margin-bottom:18px}
  .sidebar.open{display:block;animation:dgIn .2s ease}

  /* 账号中心：左侧菜单改横向滑轨 */
  .acct{grid-template-columns:1fr;gap:18px}
  .acct-nav{position:static;display:flex;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius);scrollbar-width:none}
  .acct-nav::-webkit-scrollbar{display:none}
  .acct-nav .an-h{display:none}
  .acct-nav a{border-bottom:0;border-right:1px solid var(--line-2);white-space:nowrap;padding:11px 15px;flex:0 0 auto}
  .acct-nav a.on{border-left:0;border-bottom:3px solid var(--accent)}

  /* ---- 管理后台：侧栏变抽屉（覆盖旧 display:none 规则） ---- */
  .admin{display:block;min-height:100vh}
  .admin-side{
    display:block;position:fixed;top:0;left:0;bottom:0;width:264px;z-index:600;
    transform:translateX(-102%);transition:transform .26s ease;
  }
  .admin-side.open{transform:translateX(0);box-shadow:0 12px 40px rgba(0,0,0,.4)}
  .admin-burger{
    display:inline-flex;align-items:center;justify-content:center;
    width:36px;height:36px;border:1px solid var(--line);border-radius:var(--radius);
    background:#fff;color:var(--ink-2);font-size:17px;flex-shrink:0;
  }
  .admin-mask{position:fixed;inset:0;background:rgba(16,12,14,.5);z-index:590;display:none}
  .admin-mask.show{display:block}
  .stats{grid-template-columns:repeat(2,1fr)}
}

/* 桌面端隐藏汉堡与遮罩（>980 无效化） */
@media (min-width:981px){
  .admin-burger{display:none}
  .admin-mask{display:none!important}
}

/* ---------- 手机 720 ---------- */
@media (max-width:720px){
  :root{--head:60px;--topbar:34px}
  .logo-img{height:34px}
  .f-logo-img{height:28px}
  .header-inner{gap:10px}
  .head-actions{gap:7px}
  .head-actions .btn-sm{height:32px;padding:0 11px;font-size:12.5px}
  .head-actions .btn-ghost{display:none}  /* 登录入口收进抽屉，留注册主按钮 */
  .burger{width:36px;height:36px}

  .hero{height:min(78vh,540px)}
  .hero-in{max-width:100%}
  .hero h1{font-size:27px;margin-bottom:14px}
  .hero p{font-size:14px;margin-bottom:22px}
  .hero .btn-lg{height:46px;padding:0 22px;font-size:14px}
  .hero-dots{bottom:18px;gap:8px}
  .hero-dots button{width:22px}
  .hero-dots button.on{width:34px}
  .hero-btns{gap:10px}

  .sec-head{margin-bottom:30px}
  .sec-head p{font-size:14px}
  .cat-img{height:150px}
  .cat-body{padding:15px 16px 17px}
  .cat-body h3{font-size:16px}
  .pcard-img{height:150px}
  .pcard-body{padding:13px 13px 15px}
  .pcard-body h4{font-size:13.5px;min-height:39px}
  .pcard-meta{gap:8px;flex-wrap:wrap}

  .pagehead{padding:24px 0 22px}
  .pagehead h1{font-size:23px}
  .page-hero{padding:38px 0 34px}
  .page-hero h1{font-size:23px}

  .plist{padding:22px 0 50px}
  .list-toolbar{padding:10px 12px;gap:10px}
  .tool-search{max-width:none}
  .tool-search input{height:36px}
  .tool-search button{height:36px;padding:0 14px}
  .tool-right{width:100%;justify-content:space-between}
  .tool-right select{height:34px}

  /* 详情页主图与规格 */
  .pd{padding:22px 0 40px}
  .pd-main{height:250px}
  .pd-info h1{font-size:21px}
  .spec-table th,.spec-table td{padding:9px 10px;font-size:13px}
  .spec-table th{width:96px}
  .pd-tab{padding:18px 15px}
  .pd-actions .btn{flex:1;min-height:44px}  /* 手指可点的按钮尺寸 */

  /* 表单 */
  .auth-card{padding:24px 20px}
  .field input,.field select,.field textarea{height:44px;font-size:16px} /* 16px 防 iOS 聚焦缩放 */
  .field textarea{height:auto}
  .field select{background:#fff}

  /* 表格卡片化退路：横向滚动 + 首列吸附 */
  .table-wrap{margin:0 -16px;padding:0 16px}
  .modal-box{max-height:88vh}
  .modal-b{padding:18px}
  .quota .qi{padding:15px 16px}
  .stat b{font-size:23px}
  .admin-top h2{font-size:16px}
  .admin-top .at-r span:first-child{display:none}

  /* 移动端底部操作栏（详情页） */
  .m-cta{display:flex!important}
  body.has-m-cta{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  .m-cta{
    position:fixed;left:0;right:0;bottom:0;z-index:300;display:none;
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -6px 22px rgba(120,10,25,.1);
    padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    gap:10px;
  }
  .m-cta .btn{flex:1;height:44px}
}

/* 小屏 560：两列卡片再收紧 */
@media (max-width:560px){
  .products,.products.list{grid-template-columns:repeat(2,1fr);gap:11px}
  .industries{grid-template-columns:repeat(2,1fr)}
  .about-nums{grid-template-columns:repeat(2,1fr);gap:12px}
  .honor-card{flex-direction:column;align-items:flex-start}
  .honor-seal{width:100%;height:74px;flex-direction:row;justify-content:center;gap:12px}
}

/* 手机横屏（低高度）：hero 收紧防滚动死区 */
@media (max-height:460px) and (orientation:landscape){
  .hero{height:auto;min-height:340px;padding:70px 0 56px}
  .hero-slide{position:absolute}
  .hero-stats{display:none}
}

/* ---------- 移动端导航手风琴 ---------- */
.mnav{padding:6px 0 30px}
.mnav .m-link{display:flex;justify-content:space-between;align-items:center;padding:13px 20px;font-size:15px;font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--line-2)}
.mnav .m-link:active{background:var(--soft)}
.mnav .m-arrow{font-size:11px;color:var(--muted-2);transition:transform .2s}
.m-group.open .m-arrow{transform:rotate(90deg)}
.m-sub{display:none;background:var(--soft);border-bottom:1px solid var(--line-2)}
.m-group.open .m-sub{display:block}
.m-sub a{display:flex;justify-content:space-between;align-items:center;padding:10px 20px 10px 34px;font-size:13.8px;font-weight:500;color:var(--muted);border-bottom:1px dashed var(--line)}
.m-sub a:last-child{border-bottom:0}
.m-sub a:active{color:var(--brand);background:#fff}
.m-sub a em{font-style:normal;font-size:11.5px;color:var(--muted-2)}
.mnav .m-act{padding:16px 20px 8px;display:flex;gap:10px}
.mnav .m-act .btn{flex:1}

/* ---------- 产品列表：移动端筛选开关按钮 ---------- */
.side-toggle{
  display:none;align-items:center;justify-content:center;gap:8px;width:100%;
  height:42px;margin-bottom:16px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;font-size:14px;font-weight:600;color:var(--ink-2);
}
.side-toggle .tg-ico{color:var(--brand);font-size:15px}

/* ---------- v3.1：溢出修复 ---------- */
svg{max-width:100%}   /* 场景图/图标 SVG 固定宽度兜底 */
.ct-grid{display:grid;grid-template-columns:1fr 380px;gap:32px;align-items:start}
.dl-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.dl-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:start}
@media (max-width:980px){
  .ct-grid{grid-template-columns:1fr}
  .dl-grid{grid-template-columns:1fr}
  .dl-steps{grid-template-columns:1fr;gap:0}   /* 手机：流程改纵向步骤条 */
  .dl-steps .dl-step{border-left:2px solid var(--line);padding:14px 0 14px 18px}
  .dl-steps .dl-step:last-child{border-left-color:transparent}
}

/* ============================================================
   v3.2：后台分类管理（左侧一级系列 / 右侧二级子类 + 产品）
   ============================================================ */
.cm-wrap{display:grid;grid-template-columns:236px 1fr;gap:18px;align-items:start}
.cm-nav{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.cm-nav-h{
  display:flex;justify-content:space-between;align-items:center;
  padding:11px 14px;background:var(--soft);border-bottom:1px solid var(--line);
  font-size:13px;font-weight:700;color:var(--ink-2);
}
.cm-nav-h span{
  min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--brand);
  color:#fff;font-size:11.5px;font-weight:700;text-align:center;line-height:20px;
}
.cm-item{
  display:flex;justify-content:space-between;align-items:center;gap:8px;
  padding:10px 14px;border-bottom:1px solid var(--line-2);font-size:13.5px;color:var(--ink-2);
  border-left:3px solid transparent;
}
.cm-item span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cm-item em{font-style:normal;font-size:11.5px;color:var(--muted-2);flex-shrink:0}
.cm-item:hover{background:var(--soft)}
.cm-item.on{background:rgba(200,16,46,.06);border-left-color:var(--accent);color:var(--brand);font-weight:700}
.cm-item.on em{color:var(--brand-3)}
.cm-item.all{border-bottom:1px solid var(--line)}
.cm-add{
  display:block;padding:11px 14px;font-size:13px;font-weight:700;color:var(--accent);
  border-bottom:1px solid var(--line-2);background:#fff;
}
.cm-add:hover{background:rgba(200,16,46,.05)}
.cm-tip{padding:11px 14px;font-size:12px;line-height:1.65;color:var(--muted-2);background:var(--soft)}
.cm-head{
  display:flex;justify-content:space-between;gap:16px;align-items:flex-start;flex-wrap:wrap;
  padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
}
.cm-h-l b{display:block;font-size:17px;color:var(--brand)}
.cm-h-l > span{display:block;font-size:12.5px;color:var(--muted-2);margin-top:2px}
.cm-h-l p{margin:8px 0 0;font-size:13px;color:var(--muted);line-height:1.7;max-width:640px}
.cm-meta{display:block;margin-top:8px;font-style:normal;font-size:12.5px;color:var(--muted-2)}
.cm-h-r{display:flex;gap:8px;flex-shrink:0;flex-wrap:wrap}
.cm-main{display:grid;gap:14px}

/* 平板 / 手机：左侧系列改横向滑轨 */
@media (max-width:980px){
  .cm-wrap{grid-template-columns:1fr;gap:14px}
  .cm-nav{display:flex;align-items:center;gap:8px;padding:10px 12px;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .cm-nav-h{display:none}
  .cm-item{
    flex:0 0 auto;border:1px solid var(--line);border-radius:20px;padding:7px 13px;
    font-size:13px;background:#fff;
  }
  .cm-item,.cm-item.all{border-bottom:1px solid var(--line)}
  .cm-item.on{background:var(--brand);border-color:var(--brand);color:#fff}
  .cm-item.on em{color:rgba(255,255,255,.75)}
  .cm-add{flex:0 0 auto;border:1px dashed var(--accent);border-radius:20px;padding:7px 13px;font-size:13px}
  .cm-tip{display:none}
  .cm-head{padding:14px 15px}
  .cm-h-l b{font-size:16px}
  .cm-h-r{width:100%}
}

/* 页脚备案号（工信部要求可点击跳转） */
.f-bottom .icp{color:inherit;text-decoration:none;border-bottom:1px dotted rgba(255,255,255,.3);transition:color .18s}
.f-bottom .icp:hover{color:rgba(255,255,255,.85)}