/* ==========================================================================
   好悦科技 · 简洁高端版设计系统
   配色：碳黑 #16171A / 香槟金 #7FB539 / 暖白 #FAFAF8
   ========================================================================== */
:root{
  --ink:#16171A;
  --ink-2:#24262B;
  --body:#55575C;
  --muted:#8F9196;
  --gold:#7FB539;
  --gold-2:#CFE8A8;
  --gold-soft:rgba(127,181,57,.12);
  --bg:#FAFAF8;
  --card:#FFFFFF;
  --line:#ECEBE7;
  --line-dark:rgba(255,255,255,.10);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 44px rgba(22,23,26,.07);
  --shadow-hover:0 26px 60px rgba(22,23,26,.13);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;}
html,body{overflow-x:clip;}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);background:#FFFFFF;line-height:1.75;
  -webkit-font-smoothing:antialiased;letter-spacing:.01em;
}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
.container{max-width:1200px;margin:0 auto;padding:0 28px;}

/* ===== 顶部金线 ===== */
.topline{height:2px;background:#FFFFFF;}

/* ===== 导航 ===== */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:18px;}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;color:var(--ink);}
.logo-mark{
  width:46px;height:46px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(145deg,var(--gold-2),var(--gold));
  color:#16171A;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;letter-spacing:-.5px;
  box-shadow:0 6px 18px rgba(127,181,57,.32);
}
.logo-txt{display:flex;flex-direction:column;justify-content:center;line-height:1.15;color:var(--ink);}
.logo-txt b{font-size:24px;font-weight:900;letter-spacing:.02em;color:var(--ink);}
.logo-txt em{
  font-style:normal;font-size:8px;font-weight:700;letter-spacing:.2px;
  text-transform:uppercase;color:var(--ink);opacity:.75;margin-top:3px;
}
.nav-links{display:flex;gap:22px;font-size:15px;color:var(--ink);}
.nav-links a{padding:6px 0;position:relative;white-space:nowrap;transition:color .25s;font-weight:600;color:var(--ink);}
.nav-links a:hover{color:var(--gold);}
.nav-links a.active{color:var(--gold);font-weight:600;}
.logo-txt b i{font-style:normal;color:var(--gold);}
.lang-switch{
  flex-shrink:0;display:flex;align-items:center;gap:7px;
  color:var(--ink);
  font-size:13.5px;font-weight:700;letter-spacing:.06em;transition:opacity .25s;
}
.lang-switch .cur{color:var(--ink);font-weight:700;}
.lang-switch a{color:var(--ink);transition:opacity .25s;}
.lang-switch a:hover{opacity:.65;}
.nav-cta{
  flex-shrink:0;font-size:13.5px;font-weight:700;color:#16171A;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  padding:10px 22px;border-radius:999px;
  box-shadow:0 8px 22px rgba(127,181,57,.28);
  transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(127,181,57,.38);}
.menu-btn{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--ink);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 32px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .22s,box-shadow .22s,background .25s,color .25s;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#16171A;
  box-shadow:0 14px 34px rgba(127,181,57,.30);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(127,181,57,.42);}
.btn-line{background:transparent;color:var(--ink);border:1px solid rgba(22,23,26,.24);}
.btn-line:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px);box-shadow:0 16px 34px rgba(22,23,26,.22);}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--line);}
.btn-outline:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px);}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(1100px 520px at 78% -8%,rgba(143,195,90,.22),transparent 62%),
    radial-gradient(760px 420px at 6% 96%,rgba(255,255,255,.05),transparent 65%),
    linear-gradient(160deg,#0C2115 0%,#173B26 100%);
  padding:52px 0 52px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(900px 500px at 60% 30%,#000,transparent 75%);
}
.hero-inner{position:relative;z-index:2;max-width:1180px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 20px;border-radius:999px;margin-bottom:18px;
  background:rgba(127,181,57,.12);border:1px solid rgba(127,181,57,.38);
  font-size:16px;font-weight:600;letter-spacing:.06em;color:#CFE8A8;
}
.hero h1{font-size:50px;line-height:1.18;font-weight:800;letter-spacing:-.03em;}
.hero h1 .gold{
  background:linear-gradient(100deg,#D7EFAF,var(--gold) 55%,#CFE8A8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lead{
  margin:16px 0 26px;font-size:16.5px;line-height:1.8;
  color:rgba(255,255,255,.72);max-width:680px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
.hero-stats{
  display:flex;flex-wrap:wrap;margin-top:30px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats .s{padding-right:52px;margin-right:52px;border-right:1px solid rgba(255,255,255,.16);}
.hero-stats .s:last-child{border-right:none;padding-right:0;margin-right:0;}
.hero-stats .num{
  font-size:34px;font-weight:800;letter-spacing:-.02em;
  color:#FFFFFF;
}
.hero-stats .label{font-size:12.5px;color:rgba(255,255,255,.8);letter-spacing:.1em;margin-top:4px;}

/* ===== 子页横幅 ===== */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(900px 420px at 82% 0%,rgba(143,195,90,.20),transparent 60%),
    linear-gradient(160deg,#0C2115 0%,#173B26 100%);
  padding:44px 0;
  min-height:472px;height:472px;
  display:flex;align-items:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:68px 68px;
  mask-image:radial-gradient(700px 320px at 70% 20%,#000,transparent 75%);
}
.page-hero .inner{position:relative;z-index:2;width:100%;}
.crumbs{font-size:12.5px;color:rgba(255,255,255,.5);letter-spacing:.06em;margin-bottom:18px;}
.crumbs a{color:rgba(255,255,255,.5);}
.crumbs a:hover{color:var(--gold);}
.crumbs span{color:#CFE8A8;}
.page-hero h1{font-size:40px;font-weight:800;letter-spacing:-.025em;line-height:1.2;}
.page-hero h1 .en{
  font-size:14px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold);display:block;margin-top:14px;
}
.page-hero .ph-line{width:56px;height:2px;background:linear-gradient(90deg,var(--gold),transparent);margin:22px 0;}
.page-hero p{font-size:15.5px;color:rgba(255,255,255,.7);max-width:1100px;white-space:nowrap;}
@media (max-width:1180px){.page-hero p{white-space:normal;}}
.ph-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;}
.ph-tags span{
  font-size:12.5px;color:rgba(255,255,255,.75);
  border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:6px 16px;
  background:rgba(255,255,255,.05);
}

/* ===== 板块通用 ===== */
section{padding:28px 0 48px;border-top:1px solid #E5E5E3;}
.hero+section,.page-hero+section,.band+section{border-top:none;}
.sec-alt{background:#FFFFFF;}
.sec-head{margin-bottom:28px;}
.sec-head.center{text-align:center;}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11.5px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;
  color:var(--gold);margin-bottom:16px;
}
.kicker::before{content:"";width:26px;height:1px;background:var(--gold);display:block;}
.sec-head.center .kicker::after{content:"";width:26px;height:1px;background:var(--gold);display:block;}
.sec-head h2{font-size:38px;font-weight:800;letter-spacing:-.028em;line-height:1.25;}
.sec-head p{color:var(--body);margin-top:14px;font-size:15.5px;max-width:680px;}
.sec-head.center p{margin-left:auto;margin-right:auto;}

/* ===== 核心业务卡 ===== */
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.biz{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:34px 30px 28px;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s,border-color .28s;
}
.biz::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--gold),var(--gold-2));
  transition:width .35s ease;
}
.biz:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:rgba(127,181,57,.4);}
.biz:hover::before{width:100%;}
.b-poster{
  margin:-34px -30px 20px;
  height:168px;
  overflow:hidden;
  border-radius:var(--radius) var(--radius) 0 0;
  background:linear-gradient(145deg,#F4F3F1,#FFFFFF);
  border-bottom:1px solid var(--line);
}
.b-poster img{
  width:100%;height:100%;
  object-fit:cover;object-position:center 40%;
  display:block;
  transition:transform .45s cubic-bezier(.2,.7,.3,1);
}
.biz:hover .b-poster img{transform:scale(1.045);}
.biz h3{font-size:19px;font-weight:700;letter-spacing:-.01em;margin-bottom:10px;}
.biz p{font-size:13.8px;color:var(--body);flex:1;}
.biz .more{
  margin-top:22px;font-size:13.5px;font-weight:700;color:var(--gold);
  display:inline-flex;align-items:center;gap:6px;
}
.biz .more i{font-style:normal;transition:transform .25s;}
.biz:hover .more i{transform:translateX(4px);}

/* ===== 热门现货 ===== */
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.hot{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;display:flex;flex-direction:column;gap:8px;
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.hot:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(127,181,57,.4);}
.hot .tag{
  align-self:flex-start;font-size:10.5px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--gold);
  background:var(--gold-soft);border-radius:999px;padding:4px 12px;
}
.hot h4{font-size:16.5px;font-weight:700;letter-spacing:-.01em;margin-top:4px;}
.hot .desc{font-size:12.8px;color:var(--muted);flex:1;}
.hot .meta{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:12px;padding-top:14px;border-top:1px solid var(--line);
}
.hot .meta .st{font-size:12px;font-weight:600;color:#1F7A5A;display:flex;align-items:center;gap:6px;}
.hot .meta .st::before{content:"";width:6px;height:6px;border-radius:50%;background:#2FA37A;display:block;}
.hot .meta a{font-size:12.5px;font-weight:700;color:var(--gold);}
.hot .meta a:hover{color:var(--ink);}

/* ===== 优势 ===== */
.feat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.feat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;transition:transform .26s,box-shadow .26s;
}
.feat:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.feat .n{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--gold);margin-bottom:18px;}
.feat h4{font-size:16.5px;font-weight:700;margin-bottom:10px;}
.feat p{font-size:13.6px;color:var(--body);}
/* feat 卡片小海报（通栏贴顶，复用业务海报图） */
.feat .b-poster{margin:-32px -28px 18px;height:142px;}
.commit .b-poster{margin:-30px -28px 16px;height:128px;}
.ind .b-poster{margin:-30px -28px 16px;height:128px;}
.ind:hover .b-poster img{transform:scale(1.045);}
.info-card .b-poster{margin:-30px -28px 16px;height:150px;}
.commit:hover .b-poster img,.info-card:hover .b-poster img{transform:scale(1.045);}

/* ===== 品牌滚动 ===== */
.marquee{
  overflow:hidden;position:relative;padding:8px 0;
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}
.marquee-track{display:flex;gap:16px;width:max-content;animation:scrollx 40s linear infinite;}
.marquee:hover .marquee-track{animation-play-state:paused;}
@keyframes scrollx{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.brand{
  flex:0 0 auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:18px 30px;text-align:center;min-width:158px;
  transition:border-color .25s,transform .25s;
}
.brand:hover{border-color:rgba(127,181,57,.45);transform:translateY(-3px);}
.brand b{display:block;font-size:15px;font-weight:700;letter-spacing:-.01em;}
.brand span{font-size:10.5px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;}

/* ===== 数据条 ===== */
.band{
  position:relative;overflow:hidden;color:var(--ink);
  background:radial-gradient(900px 400px at 80% 10%,rgba(127,181,57,.10),transparent 60%),
             linear-gradient(180deg,#F7F6F2,#F3F2ED);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:76px 0;
}
.band .grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2;}
.band .box{text-align:center;}
.band .n{
  font-size:42px;font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(135deg,#4F7D1E,#7FB539);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.band .t{font-size:12.5px;color:var(--muted);letter-spacing:.1em;margin-top:6px;}

/* ===== 服务行业 ===== */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.ind{
  position:relative;overflow:hidden;border-radius:var(--radius);
  padding:30px 28px;background:var(--card);border:1px solid var(--line);
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.ind:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(127,181,57,.4);}
.ind .ic{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:21px;margin-bottom:18px;background:var(--gold-soft);color:var(--gold);
  border:1px solid rgba(127,181,57,.25);
}
.ind b{display:block;font-size:17px;font-weight:700;margin-bottom:8px;}
.ind span{font-size:13.4px;color:var(--body);}

/* ===== 流程 ===== */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.flow .step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 22px;text-align:center;
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.flow .step:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(127,181,57,.4);}
.flow .no{
  width:44px;height:44px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;color:var(--gold);
  background:var(--gold-soft);border:1px solid rgba(127,181,57,.4);
}
.flow h4{font-size:15.5px;font-weight:700;margin-bottom:8px;}
.flow p{font-size:12.8px;color:var(--muted);}

/* ===== CTA ===== */
.cta-wrap{
  position:relative;overflow:hidden;border-radius:26px;color:var(--ink);
  background:radial-gradient(700px 320px at 85% 10%,rgba(127,181,57,.12),transparent 62%),
             linear-gradient(180deg,#FFFFFF,#FCFBF8);
  padding:60px 64px;display:flex;align-items:center;justify-content:space-between;
  gap:36px;flex-wrap:wrap;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.cta-wrap h2{font-size:30px;font-weight:800;letter-spacing:-.025em;line-height:1.3;}
.cta-wrap p{margin-top:12px;font-size:15px;color:var(--body);max-width:560px;}
.cta-wrap .actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-wrap .rule{width:48px;height:2px;background:var(--gold);margin-bottom:20px;}

/* ===== 双面板（BOM/PCBA） ===== */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch;}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:44px 40px;display:flex;flex-direction:column;
  transition:transform .26s,box-shadow .26s;
}
.panel:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.panel .p-ico{
  width:52px;height:52px;border-radius:14px;background:var(--gold-soft);
  border:1px solid rgba(127,181,57,.25);color:var(--gold);
  display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:22px;
}
.panel h3{font-size:21px;font-weight:700;letter-spacing:-.02em;margin-bottom:12px;}
.panel>p{font-size:14px;color:var(--body);margin-bottom:24px;}
.panel ul{list-style:none;display:grid;gap:14px;margin-bottom:28px;}
.panel li{display:flex;gap:12px;font-size:14px;color:var(--body);}
.panel li::before{
  content:"";flex:0 0 16px;height:16px;margin-top:6px;border-radius:50%;
  background:var(--gold-soft);border:1px solid rgba(127,181,57,.45);
  box-shadow:inset 0 0 0 3px #fff;
}
.panel .p-foot{margin-top:auto;display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.p-num{font-size:12.5px;color:var(--muted);letter-spacing:.05em;}
.p-num b{display:block;font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.02em;margin-top:2px;}

/* ===== 开发板卡 ===== */
.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.board{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .26s,box-shadow .26s,border-color .26s;
}
.board:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:rgba(127,181,57,.4);}
.board .cover{
  height:136px;display:flex;align-items:center;justify-content:center;font-size:34px;
  color:var(--gold-2);position:relative;
  background:radial-gradient(320px 160px at 70% 0%,rgba(127,181,57,.18),transparent 60%),
             linear-gradient(150deg,#121316,#1B1C1F);
  border-bottom:1px solid var(--line);
}
.board .cover::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:26px 26px;
}
.board .body{padding:24px 24px 26px;}
.board h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.board p{font-size:13.2px;color:var(--body);}
.board .chips{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.board .chips span{
  font-size:11.5px;font-weight:600;color:var(--gold);
  background:var(--gold-soft);border:1px solid rgba(127,181,57,.22);
  border-radius:999px;padding:4px 12px;
}
.note{
  margin-top:28px;border:1px solid rgba(127,181,57,.3);background:var(--gold-soft);
  border-radius:var(--radius-sm);padding:18px 24px;font-size:13.8px;color:#8A7040;
}

/* ===== 品类 / 保障 ===== */
.chip-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;grid-column:1/-1;}
.cat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 20px;display:flex;align-items:center;gap:16px;text-align:left;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.cat:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(127,181,57,.4);}
.cat .ic{
  flex:0 0 116px;width:116px;height:52px;
  display:flex;align-items:center;justify-content:center;
}
.cat .ic img{max-width:100%;max-height:100%;object-fit:contain;}
.cat span{font-size:12.5px;color:var(--ink-2);line-height:1.5;}
.assure{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.assure .item{
  display:flex;gap:12px;align-items:flex-start;background:var(--card);
  border:none;border-radius:var(--radius-sm);padding:12px 14px;
  transition:transform .25s,box-shadow .25s;
}
.assure .item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.assure .ic{
  flex:0 0 32px;width:32px;height:32px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  background:var(--gold-soft);border:1px solid rgba(127,181,57,.22);
}
.assure b{display:block;font-size:13.5px;font-weight:700;margin-bottom:2px;}
.assure span{font-size:12.2px;color:var(--body);}

/* ===== 下载 ===== */
.dl-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.dl{
  display:flex;align-items:center;gap:20px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 26px;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.dl:hover{transform:translateY(-4px);border-color:rgba(127,181,57,.45);box-shadow:var(--shadow);}
.dl .ic{
  flex:0 0 46px;width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;font-size:19px;
  background:var(--gold-soft);border:1px solid rgba(127,181,57,.22);
}
.dl b{display:block;font-size:15px;font-weight:700;}
.dl span.sm{font-size:12.5px;color:var(--muted);}
.dl .go{
  margin-left:auto;flex-shrink:0;font-size:12.5px;font-weight:700;color:var(--gold);
  border:1px solid rgba(127,181,57,.35);border-radius:999px;padding:8px 18px;
  transition:background .25s,color .25s;
}
.dl:hover .go{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#16171A;border-color:transparent;}

/* ===== 关于我们 ===== */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;}
.about-copy p{color:var(--body);font-size:15px;line-height:2;margin-bottom:16px;}
.panel-dark{
  position:relative;overflow:hidden;border-radius:22px;color:#fff;padding:44px 40px;
  background:radial-gradient(520px 260px at 80% 0%,rgba(127,181,57,.18),transparent 62%),
             linear-gradient(160deg,#16171A,#1A1B1E);
  box-shadow:0 26px 60px rgba(22,23,26,.2);
}
.panel-dark h3{font-size:17px;font-weight:700;margin-bottom:26px;position:relative;z-index:2;}
.panel-dark .grid2{display:grid;grid-template-columns:1fr 1fr;gap:22px;position:relative;z-index:2;}
.panel-dark .box{border-left:1px solid rgba(127,181,57,.4);padding-left:16px;}
.panel-dark .n{
  font-size:28px;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(135deg,#fff,var(--gold-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.panel-dark .t{font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.08em;margin-top:4px;}
.value-list{display:grid;gap:16px;margin-top:34px;}
.value-list .item{
  display:flex;gap:18px;align-items:flex-start;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 24px;
}
.value-list .ic{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;font-size:18px;
  background:var(--gold-soft);border:1px solid rgba(127,181,57,.22);
}
.value-list b{display:block;font-size:15px;font-weight:700;margin-bottom:4px;}
.value-list span{font-size:13.2px;color:var(--body);}

/* ===== 联系我们 ===== */
.contact-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:28px;}
.contact-list .item{
  display:flex;gap:14px;align-items:center;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 20px;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.contact-list a.item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(127,181,57,.45);}
.contact-list .ic{
  flex:0 0 38px;width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;font-size:17px;
  background:var(--gold-soft);border:1px solid rgba(127,181,57,.22);
}
.contact-list b{display:block;font-size:15px;font-weight:700;margin-bottom:2px;}
.contact-list span{font-size:13.5px;color:var(--body);}
.contact-card{
  display:grid;grid-template-columns:1fr 1.15fr;gap:32px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:22px;padding:32px 38px;
  box-shadow:var(--shadow);
}
.cc-tips{display:grid;gap:12px;}
.contact-card h3{font-size:20px;font-weight:700;margin-bottom:10px;}
.contact-card>p{font-size:14px;color:var(--body);margin-bottom:0;}
.tip{
  border-radius:var(--radius-sm);padding:14px 18px;font-size:13.5px;
  background:var(--gold-soft);border:1px solid rgba(127,181,57,.3);color:#8A7040;
}

/* ===== 页脚 ===== */
footer{
  position:relative;color:rgba(255,255,255,.6);font-size:13.5px;
  background:linear-gradient(180deg,#0C2115,#081509);
  border-top:1px solid rgba(127,181,57,.18);padding:48px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr auto;gap:40px;padding-bottom:40px;}
.foot-brand .logo{margin-bottom:20px;}
.foot-brand p{font-size:13.2px;line-height:1.9;color:rgba(255,255,255,.48);max-width:320px;}
.foot-col h5{
  font-size:15px;font-weight:700;letter-spacing:.08em;
  color:var(--gold);margin-bottom:14px;
}
.foot-col a{display:block;font-size:12.5px;color:rgba(255,255,255,.58);padding:3px 0;transition:color .2s,transform .2s;}
.foot-col .line a{display:inline;padding:0;color:rgba(255,255,255,.58);}
.foot-col a:hover{color:#fff;transform:translateX(3px);}
.foot-col .line{font-size:12.5px;color:rgba(255,255,255,.58);padding:3px 0;white-space:nowrap;}
.foot-col .line b{color:rgba(255,255,255,.58);font-weight:600;}
.foot-bottom{
  border-top:1px solid var(--line-dark);padding:24px 0;font-size:12.5px;
  color:rgba(255,255,255,.38);display:flex;justify-content:space-between;
  align-items:center;gap:14px;flex-wrap:wrap;
}
.foot-bottom a{color:rgba(255,255,255,.48);}
.foot-bottom a:hover{color:var(--gold-2);}

/* ===== 滚动渐入 ===== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}

/* ===== 响应式 ===== */
@media (max-width:1080px){
  .biz-grid,.hot-grid,.feat-grid,.ind-grid,.board-grid{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(3,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .foot-col .line{white-space:normal;}
  .hero h1{font-size:44px;}
}
@media (max-width:900px){
  .nav-links,.nav-cta{display:none;}
  .menu-btn{display:block;}
  .nav-links.open{
    display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;gap:4px;
    background:#fff;padding:18px 28px 26px;border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(15,23,42,.14);max-height:calc(100vh - 74px);overflow-y:auto;
  }
  .nav-links.open a{padding:11px 0;border-bottom:1px solid var(--line);}
  .chip-wrap,.duo,.split{grid-template-columns:1fr;gap:36px;}
  .contact-list{grid-template-columns:1fr;}
  .contact-card{grid-template-columns:1fr;gap:18px;}
  .assure{grid-template-columns:1fr;}
  .sec-head h2{font-size:30px;}
  .page-hero h1{font-size:30px;}
  .hero{padding:76px 0 72px;}
  .hero h1{font-size:36px;}
  .hero-stats{margin-top:36px;}
  .hero-stats .s{padding-right:30px;margin-right:30px;}
  .band .grid4{grid-template-columns:repeat(2,1fr);gap:32px;}
  .cta-wrap{padding:44px 32px;}
  .cta-wrap h2{font-size:24px;}
  section{padding:50px 0;}
}
@media (max-width:620px){
  .biz-grid,.hot-grid,.feat-grid,.board-grid,.cat-grid,.dl-list{grid-template-columns:1fr;}
  .ind-grid,.flow,.foot-grid{grid-template-columns:1fr;gap:32px;}
  .foot-col .line{white-space:normal;}
  .hero-stats .s{flex:1 1 40%;border-right:none;padding:0 0 20px 0;margin-right:0;}
  .hero h1{font-size:30px;}
  .sec-head h2{font-size:26px;}
  .panel,.panel-dark,.contact-card{padding:30px 24px;}
}


/* ==========================================================================
   内容增强组件（v2）— 表格 / 时间线 / 指标 / FAQ / 案例 / 承诺 / 清单
   ========================================================================== */

/* ===== 子页横幅：数据行 ===== */
.ph-stats{display:flex;flex-wrap:wrap;margin-top:36px;padding-top:28px;border-top:1px solid rgba(255,255,255,.16);}
.ph-stats>div{padding-right:46px;margin-right:46px;border-right:1px solid rgba(255,255,255,.16);}
.ph-stats>div:last-child{border-right:none;padding-right:0;margin-right:0;}
.ph-stats .n{font-size:26px;font-weight:800;letter-spacing:-.025em;color:#fff;}
.ph-stats .n em{font-style:normal;color:#CFE8A8;}
.ph-stats .t{font-size:11.5px;color:rgba(255,255,255,.5);letter-spacing:.08em;margin-top:2px;}

/* hero 右侧品牌墙 */
.page-hero .ph-extra{
  position:absolute;right:76px;top:50%;transform:translateY(-50%);
  width:344px;pointer-events:none;
}
.ph-brandwall{
  width:100%;height:auto;display:block;
  filter:drop-shadow(0 22px 44px rgba(0,0,0,.4));
}
@media (max-width:1280px){
  .page-hero .ph-extra{width:288px;}
}
@media (max-width:1080px){
  .page-hero .ph-extra{display:none;}
}

/* ===== 参数表 ===== */
.tbl-wrap{
  overflow-x:auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
}
table.tbl{width:100%;border-collapse:collapse;min-width:660px;font-size:13.4px;}
table.tbl th{
  text-align:left;padding:16px 22px;white-space:nowrap;
  font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);background:#F4F3F0;border-bottom:1px solid var(--line);
}
table.tbl td{padding:15px 22px;border-bottom:1px solid var(--line);color:var(--body);vertical-align:top;}
table.tbl tbody tr{transition:background .2s;}
table.tbl tbody tr:hover{background:#FCFCFB;}
table.tbl tbody tr:last-child td{border-bottom:none;}
table.tbl td b{color:var(--ink);font-weight:700;}
table.tbl td .gold{color:var(--gold);font-weight:700;}
.tbl-note{margin-top:16px;font-size:12.5px;color:var(--muted);}

/* ===== 时间线 ===== */
.tl{position:relative;padding-left:36px;max-width:760px;margin:0 auto;}
.tl::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--gold),rgba(127,181,57,.06));
}
.tl .node{position:relative;padding-bottom:38px;}
.tl .node:last-child{padding-bottom:0;}
.tl .node::before{
  content:"";position:absolute;left:-35px;top:5px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:2px solid var(--gold);box-shadow:0 0 0 4px rgba(127,181,57,.13);
}
.tl .yr{font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);}
.tl h4{font-size:16.5px;font-weight:700;letter-spacing:-.01em;margin:7px 0 7px;}
.tl p{font-size:13.6px;color:var(--body);max-width:620px;}

/* ===== 指标组 ===== */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 24px;text-align:center;
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.metric:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(127,181,57,.4);}
.metric .n{
  font-size:34px;font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(135deg,var(--ink),#3A3D44);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric .n em{font-style:normal;font-size:19px;font-weight:700;}
.metric .t{font-size:12.8px;color:var(--muted);margin-top:6px;letter-spacing:.05em;}

/* ===== FAQ ===== */
.faq{display:grid;gap:14px;max-width:920px;margin:0 auto;}
.faq details{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:border-color .25s,box-shadow .25s;
}
.faq details:hover{border-color:rgba(127,181,57,.35);}
.faq details[open]{border-color:rgba(127,181,57,.5);box-shadow:var(--shadow);}
.faq summary{
  cursor:pointer;list-style:none;padding:22px 28px;
  font-size:15px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:22px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"＋";font-size:14px;color:var(--gold);flex-shrink:0;transition:transform .3s;}
.faq details[open] summary::after{content:"－";}
.faq .a{
  margin:0 28px 24px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13.8px;color:var(--body);line-height:1.95;
}

/* ===== 案例卡 ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;display:flex;flex-direction:column;position:relative;overflow:hidden;
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.case::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--gold),var(--gold-2));transition:width .35s ease;
}
.case:hover{transform:translateY(-7px);box-shadow:var(--shadow-hover);border-color:rgba(127,181,57,.4);}
.case:hover::before{width:100%;}
.case .k{font-size:10.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);}
.case h4{font-size:17px;font-weight:700;letter-spacing:-.015em;margin:11px 0 11px;}
.case p{font-size:13.4px;color:var(--body);flex:1;}
.case .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line);}
.case .tags span{
  font-size:11.5px;font-weight:600;color:var(--gold);
  background:var(--gold-soft);border:1px solid rgba(127,181,57,.2);
  border-radius:999px;padding:4px 12px;
}

/* ===== 承诺 / 能力卡 ===== */
.commit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.commit-grid.c2{grid-template-columns:repeat(2,1fr);}
.commit-grid.c4{grid-template-columns:repeat(4,1fr);}
.commit{
  background:var(--card);border:none;border-radius:var(--radius);
  padding:30px 28px;transition:transform .26s,box-shadow .26s;
}
.commit:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.commit .ic{
  width:46px;height:46px;border-radius:13px;margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;font-size:20px;
  background:var(--gold-soft);border:1px solid rgba(127,181,57,.25);
}
.commit b{display:block;font-size:16px;font-weight:700;letter-spacing:-.01em;margin-bottom:8px;}
.commit span{font-size:13.4px;color:var(--body);}
.commit .no{
  font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--gold);
  display:block;margin-bottom:14px;
}

/* ===== 双栏图文 ===== */
.frow{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.frow h3{font-size:24px;font-weight:800;letter-spacing:-.025em;margin-bottom:16px;}
.frow p{font-size:14.4px;color:var(--body);margin-bottom:14px;}
.check-list{display:grid;gap:14px;list-style:none;}
/* 块级 + 悬挂缩进：避免 flex 把 <b> 和后续文字拆成两个子项导致手机端两列错位（2026-09-23） */
.check-list li{display:block;position:relative;padding-left:36px;font-size:14px;color:var(--body);}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:2.5px;width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:var(--gold);
  background:var(--gold-soft);border:1px solid rgba(127,181,57,.32);
}
.check-list li b{color:var(--ink);font-weight:700;}

/* ===== 参数键值表 ===== */
.spec-list{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;}
.frow .spec-list{grid-template-columns:1fr;}
.spec-list .row{
  display:flex;justify-content:space-between;gap:22px;align-items:baseline;
  padding:15px 0;border-bottom:1px solid var(--line);font-size:13.8px;
}
.spec-list .row .k{color:var(--muted);flex-shrink:0;}
.spec-list .row .v{color:var(--ink);font-weight:600;text-align:right;}

/* ===== 三栏信息卡 ===== */
.info-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;transition:transform .26s,box-shadow .26s;
}
.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.info-card h4{font-size:16px;font-weight:700;margin-bottom:10px;letter-spacing:-.01em;}
.info-card .info-lead{font-size:13px;color:var(--body);margin:0 0 14px;padding-bottom:12px;border-bottom:1px dashed var(--line);}
.info-card li b{color:var(--ink);font-weight:700;white-space:nowrap;}
.info-card ul,.info-card ol{list-style:none;display:grid;gap:11px;}
.info-card li{font-size:13.4px;color:var(--body);display:flex;gap:11px;}
.info-card ol{counter-reset:c;}
.info-card ol li::before{
  counter-increment:c;content:counter(c,decimal-leading-zero);
  font-size:11.5px;font-weight:700;color:var(--gold);flex:0 0 auto;padding-top:2px;
}
.info-card ul li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;
  background:var(--gold);margin-top:8px;
}

/* ===== 引用 ===== */
.quote{
  border-left:2px solid var(--gold);padding:4px 0 4px 28px;
  font-size:17px;line-height:1.95;color:var(--ink-2);letter-spacing:-.01em;
}
.quote cite{display:block;margin-top:14px;font-size:12.5px;color:var(--muted);font-style:normal;letter-spacing:.08em;}

/* ===== 标签云 ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud span{
  font-size:13px;color:var(--body);background:var(--card);
  border:1px solid var(--line);border-radius:999px;padding:8px 18px;transition:all .22s;
}
.tag-cloud span:hover{border-color:rgba(127,181,57,.5);color:var(--gold);transform:translateY(-2px);}

/* ===== 板块头 - 左对齐带右侧说明 ===== */
.sec-head.split-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap;}
.sec-head.split-head p{margin-top:0;max-width:420px;}

/* ===== 分隔装饰 ===== */
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:0 auto;max-width:1200px;}

/* ===== 深色横条（复用） ===== */
.sec-dark{
  position:relative;overflow:hidden;color:var(--ink);
  background:radial-gradient(900px 400px at 78% 6%,rgba(127,181,57,.10),transparent 60%),
             linear-gradient(180deg,#F7F6F2,#F3F2ED);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.sec-dark .sec-head h2{color:var(--ink);}
.sec-dark .sec-head p{color:var(--body);}
.sec-dark .check-list li{color:var(--body);}
.sec-dark .check-list li b{color:var(--ink);}

/* ===== 联系方式行（紧凑） ===== */
.mini-contact{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}
.mini-contact a{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;
  color:var(--ink);background:var(--card);border:1px solid var(--line);
  border-radius:999px;padding:10px 20px;transition:all .22s;
}
.mini-contact a:hover{border-color:rgba(127,181,57,.5);color:var(--gold);transform:translateY(-2px);}

/* ===== 响应式补充 ===== */
@media (max-width:1080px){
  .metrics,.case-grid,.commit-grid,.commit-grid.c4,.commit-grid.c2,.info-cols{grid-template-columns:repeat(2,1fr);}
  .ph-stats>div{padding-right:32px;margin-right:32px;}
}
@media (max-width:900px){
  .frow{grid-template-columns:1fr;gap:40px;}
  .spec-list{grid-template-columns:1fr;gap:0;}
  .ph-stats .n{font-size:22px;}
  .quote{font-size:15.5px;}
}
@media (max-width:620px){
  .metrics,.case-grid,.commit-grid,.commit-grid.c4,.commit-grid.c2,.info-cols{grid-template-columns:1fr;}
  .ph-stats>div{width:50%;border-right:none;padding-right:0;margin-right:0;margin-bottom:20px;}
  table.tbl th{padding:13px 15px;}
  table.tbl td{padding:12px 15px;font-size:12.6px;}
  .faq summary{padding:18px 20px;font-size:14.2px;}
  .faq .a{margin:0 20px 20px;}
  .tl{padding-left:30px;}
  .tl .node::before{left:-29px;}
}

/* CTA 全宽深色带：内部卡片展平 */
.sec-dark .cta-wrap{background:transparent;box-shadow:none;padding:0;border-radius:0;}
.sec-dark .cta-wrap p{color:var(--body);}
footer{border-top:1px solid rgba(127,181,57,.18);}

/* 桌面端导语保持整行 */
@media (min-width:1200px){
  .hero .lead{white-space:nowrap;max-width:none;font-size:16.5px;}
  html[lang="en"] .hero .lead{white-space:normal;max-width:680px;}
}

/* ===== 开发板选型目录 ===== */
.db-layout{display:grid;grid-template-columns:178px 1fr;gap:24px;align-items:start;}
.db-side{position:sticky;top:96px;border:1px solid var(--line);border-radius:14px;padding:16px 10px;background:#fff;}
.db-side h4{font-size:16px;font-weight:800;margin:0 10px 12px;}
.db-filter{display:flex;align-items:center;justify-content:space-between;width:100%;text-align:left;padding:9px 12px;border:none;background:none;font-size:13.5px;font-weight:600;color:var(--ink);cursor:pointer;border-radius:9px;transition:background .2s;}
a.db-filter{text-decoration:none;}
.db-filter i{font-style:normal;color:var(--muted);font-size:15px;}
.db-filter:hover{background:#F5F3EE;}
.db-filter.active{background:rgba(127,181,57,.14);color:#4F7D1E;}
.db-sub{padding:0 12px 10px 24px;font-size:12px;color:var(--muted);letter-spacing:.02em;}
.db-thead,.db-row{display:grid;grid-template-columns:72px 200px 1.55fr 1fr 78px 72px;gap:16px;align-items:center;}
.db-thead{padding:0 8px 12px;font-size:11.5px;color:var(--muted);letter-spacing:.06em;}
.db-list{border-top:1px solid var(--line);}
.db-row{padding:16px 8px;border-bottom:1px solid var(--line);transition:background .2s;}
.db-row:hover{background:#FAF9F6;}
.db-thumb{width:72px;height:54px;border-radius:10px;background:linear-gradient(145deg,#F4F2EC,#E7E3D8);display:flex;align-items:center;justify-content:center;font-size:26px;}
.db-row .t{font-size:14px;font-weight:700;color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(22,23,26,.25);}
.db-row .t .db-doc{display:inline-block;margin:4px 6px 0 0;font-size:11.5px;font-weight:600;color:#4F7D1E;text-decoration:none;border:1px solid #D3E6AE;border-radius:6px;padding:2px 8px;background:#FBF8F1;white-space:nowrap;transition:all .15s;}
.db-row .t .db-doc:hover{background:#4F7D1E;color:#fff;border-color:#4F7D1E;}
.db-row .t .p-files{display:flex;flex-wrap:wrap;margin-top:2px;}
.db-thumb.has-img{padding:0;overflow:hidden;}
.db-thumb.has-img img{width:100%;height:100%;object-fit:cover;display:block;}
.db-thumb.has-img a{display:block;width:100%;height:100%;}
.db-row .d{font-size:12.5px;color:var(--body);line-height:1.7;}
.db-row .f{font-size:12px;color:var(--muted);line-height:1.7;}
.db-row .n{font-size:14px;font-weight:800;color:#4F7D1E;}
.db-row .n small{display:block;font-size:10.5px;color:var(--muted);font-weight:500;letter-spacing:.04em;margin-top:2px;}
.db-pager{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;}
.db-pager .pg-info{color:var(--muted);}
.db-pager .pg-size{display:flex;align-items:center;gap:6px;color:var(--muted);}
.db-pager .pg-size select{padding:3px 6px;border:1px solid var(--line);border-radius:6px;background:#fff;font-size:12.5px;cursor:pointer;}
.db-pager .pg-btns{display:flex;align-items:center;gap:5px;flex-wrap:wrap;}
.db-pager .pg-btns button{min-width:30px;padding:4px 9px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--ink);font-size:12.5px;cursor:pointer;transition:all .15s;}
.db-pager .pg-btns button:hover:not(:disabled){border-color:#4F7D1E;color:#4F7D1E;}
.db-pager .pg-btns button.on{background:#173B26;border-color:#173B26;color:#fff;font-weight:700;}
.db-pager .pg-btns button:disabled{opacity:.35;cursor:default;}
.db-pager .pg-btns .dots{color:var(--muted);padding:0 2px;}
@media (max-width:1000px){
  .db-layout{grid-template-columns:1fr;gap:22px;}
  .db-side{position:static;}
  .db-thead{display:none;}
  .db-row{grid-template-columns:72px 1fr;row-gap:6px;}
  .db-row .t,.db-row .d,.db-row .f,.db-row .n{grid-column:2;}
  .db-row .n{display:inline-block;margin-right:18px;}
  .db-row .n small{display:inline;margin:0 0 0 4px;}
}


/* ===== 卡片等高统一 ===== */
.biz-grid,.feat-grid,.commit-grid{grid-auto-rows:1fr;}
.biz,.feat,.commit{height:100%;}

/* ===== 页脚公众号二维码 ===== */
.foot-brand{display:block;}
.foot-qrs{display:flex;gap:22px;margin-top:18px;}
.foot-qr{display:flex;flex-direction:column;align-items:center;gap:6px;}
.foot-qr img{width:48px;height:48px;border-radius:8px;background:#fff;padding:3px;box-shadow:0 6px 16px rgba(0,0,0,.35);}
.foot-qr span{font-size:11.5px;font-weight:600;color:rgba(255,255,255,.85);line-height:1.4;}
.foot-qr span em{display:block;font-style:normal;font-size:10.5px;color:rgba(255,255,255,.45);letter-spacing:.08em;}

/* ===== 导航二级下拉菜单 ===== */
.nav-links .item{position:relative;}
.nav-links .item > a.has-sub::after{content:none;}
.nav-sub{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%);
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:0 18px 44px rgba(22,23,26,.13);padding:8px;min-width:170px;
  display:none;flex-direction:column;z-index:80;
}
.nav-links .item:hover .nav-sub{display:flex;}
/* 透明桥：盖住菜单与导航项之间的 10px 空隙，鼠标可无缝下移不丢 hover */
.nav-sub::before{content:"";position:absolute;top:-14px;left:-8px;right:-8px;height:14px;}
.nav-sub a{display:block;padding:9px 14px;border-radius:8px;font-size:13px;line-height:1.45;border-bottom:none;color:var(--ink);font-weight:600;white-space:nowrap;}
.nav-sub .sub-item > a{display:block;}
.nav-sub a:hover{background:#F5F3EE;color:var(--ink);}
@media (max-width:960px){
  .nav-sub{position:static;display:flex;transform:none;border:none;box-shadow:none;padding:2px 0 6px 16px;min-width:0;}
  .nav-sub::before,.nav-sub .nav-sub.lv3::before{content:none;}
  .nav-links .item > a.has-sub::after{content:"";}
  .nav-links .item{width:100%;}
}
/* ===== 三级菜单（桌面右侧飞出） ===== */
.nav-sub .sub-item{position:relative;}
/* 悬停桥：覆盖「子项右缘 → 三级面板」之间的面板内边距+间隙，鼠标横移不断 hover */
.nav-sub .sub-item::after{content:"";position:absolute;top:-6px;bottom:-6px;left:100%;width:22px;}
.nav-sub .sub-item > a.has-children::after{content:" ▸";font-size:10px;opacity:.55;margin-left:2px;}
.nav-sub .nav-sub.lv3{
  display:none !important;position:absolute;top:-8px;left:calc(100% + 6px);
  transform:none;border:1px solid var(--line);border-radius:12px;
  box-shadow:0 18px 44px rgba(22,23,26,.13);padding:8px;min-width:160px;
}
.nav-sub .sub-item:hover > .nav-sub.lv3{display:flex !important;}
/* 三级飞出左侧 6px 空隙的透明桥 */
.nav-sub .nav-sub.lv3::before{content:"";position:absolute;top:0;bottom:0;left:-10px;width:10px;}
@media (max-width:960px){
  .nav-sub .sub-item > a.has-children::after{content:"";}
  .nav-sub .nav-sub.lv3{
    display:flex !important;position:static;border:none;box-shadow:none;
    padding:2px 0 4px 18px;min-width:0;
  }
}
/* ===== 新闻列表/正文 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 26px 20px;display:flex;flex-direction:column;gap:10px;transition:transform .25s,box-shadow .25s;}
.news-card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(22,23,26,.10);}
.nc-date{font-size:12px;color:var(--muted);letter-spacing:.06em;}
.nc-title{font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.5;}
.nc-excerpt{font-size:13px;color:var(--body);line-height:1.8;flex:1;}
.news-body{max-width:820px;font-size:15.5px;line-height:2;color:var(--body);}
@media (max-width:960px){.news-grid{grid-template-columns:1fr;}}

/* 页脚 Logo 文字用白色 */
footer .logo-txt b{color:#fff;}
footer .logo-txt em{color:rgba(255,255,255,.55);}

/* ===== 开发板产品卡片（主流卡片网格 + 详情弹窗） ===== */
.db-list.card-mode{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;border-top:none;padding-top:8px;}
.db-list.card-mode .db-thead{display:none;}
.pcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;cursor:pointer;
  transition:transform .25s,box-shadow .25s,border-color .25s;}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--gold-2);}
.pcard-img{position:relative;aspect-ratio:4/3;background:linear-gradient(145deg,#F6F3EC,#E5F0D2);
  display:flex;align-items:center;justify-content:center;overflow:hidden;}
.pcard-img .pm-em{font-size:64px;filter:drop-shadow(0 10px 18px rgba(22,23,26,.14));transition:transform .3s;}
.pcard:hover .pcard-img .pm-em{transform:scale(1.12);}
.pcard-img::after{content:"";position:absolute;inset:auto 0 0 0;height:3px;
  background:linear-gradient(90deg,var(--gold),transparent);opacity:0;transition:opacity .25s;}
.pcard:hover .pcard-img::after{opacity:1;}
.pcard-img.has{padding:0;}
.pcard-img.has img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s;}
.pcard:hover .pcard-img.has img{transform:scale(1.05);}
.pcard-img.has a{display:block;width:100%;height:100%;}
.pcard-b{display:flex;flex-direction:column;gap:9px;padding:16px 18px 18px;flex:1;}
.pcard-b h4{font-size:15.5px;font-weight:800;color:var(--ink);line-height:1.4;}
.pcard-d{font-size:12.5px;color:var(--body);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:42px;}
.pcard-t{display:flex;flex-wrap:wrap;gap:6px;}
.pcard-t span{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 9px;background:#FBFAF7;}
.pcard-m{display:flex;align-items:center;gap:14px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);}
.pcard-n{display:flex;flex-direction:column;line-height:1.2;}
.pcard-n b{font-size:15px;font-weight:800;color:#4F7D1E;}
.pcard-n small{font-size:10.5px;color:var(--muted);letter-spacing:.04em;margin-top:1px;}
.pcard-btn{margin-left:auto;display:inline-flex;align-items:center;gap:6px;border:none;cursor:pointer;
  font-size:12.5px;font-weight:700;color:#4F7D1E;background:var(--gold-soft);
  border:1px solid #DCEBBC;border-radius:999px;padding:7px 14px;transition:all .2s;}
.pcard-btn i{font-style:normal;transition:transform .2s;}
.pcard-btn:hover{background:#4F7D1E;color:#fff;border-color:#4F7D1E;}
.pcard-btn:hover i{transform:translateX(3px);}

/* 详情弹窗 */
.pcard-ov{position:fixed;inset:0;background:rgba(22,23,26,.55);backdrop-filter:blur(4px);
  display:none;align-items:center;justify-content:center;z-index:200;padding:24px;}
.pcard-ov.open{display:flex;}
.pcard-modal{position:relative;background:#fff;border-radius:20px;box-shadow:0 40px 90px rgba(22,23,26,.35);
  max-width:860px;width:100%;max-height:88vh;overflow:auto;animation:pmIn .25s ease;}
@keyframes pmIn{from{opacity:0;transform:translateY(18px) scale(.97);}to{opacity:1;transform:none;}}
.pcard-x{position:absolute;top:12px;right:12px;z-index:2;width:36px;height:36px;border-radius:50%;
  border:none;background:rgba(255,255,255,.92);color:var(--ink);font-size:19px;cursor:pointer;
  box-shadow:0 4px 14px rgba(22,23,26,.18);transition:all .15s;}
.pcard-x:hover{background:var(--ink);color:#fff;}
.pcard-mm{display:grid;grid-template-columns:1fr 1.15fr;}
.pm-img{background:linear-gradient(145deg,#F6F3EC,#E5F0D2);display:flex;align-items:center;justify-content:center;min-height:320px;}
.pm-img img{width:100%;height:100%;object-fit:cover;display:block;}
.pm-img .pm-em{font-size:110px;filter:drop-shadow(0 14px 24px rgba(22,23,26,.16));}
.pm-b{padding:30px 30px 26px;display:flex;flex-direction:column;gap:14px;}
.pm-cat{align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.06em;color:#4F7D1E;
  background:var(--gold-soft);border:1px solid #DCEBBC;border-radius:999px;padding:3px 11px;}
.pm-b h3{font-size:21px;font-weight:900;color:var(--ink);line-height:1.35;}
.pm-d{font-size:13.5px;color:var(--body);line-height:1.85;}
.pm-f{font-size:12.5px;color:var(--muted);line-height:1.8;background:#FAF9F6;border:1px solid var(--line);border-radius:12px;padding:12px 14px;}
.pm-f b{display:block;font-size:11px;letter-spacing:.08em;color:var(--muted);margin-bottom:3px;}
.pm-f span{color:var(--body);}
.pm-n{display:flex;gap:12px;}
.pm-n div{flex:1;text-align:center;border:1px solid var(--line);border-radius:12px;padding:12px 8px;}
.pm-n b{display:block;font-size:19px;font-weight:900;color:#4F7D1E;}
.pm-n span{font-size:10.5px;color:var(--muted);letter-spacing:.05em;}
.pm-files{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--muted);}
.pm-files b{font-size:11px;letter-spacing:.08em;margin-right:2px;}
.pm-files .db-doc{display:inline-block;font-size:11.5px;font-weight:600;color:#4F7D1E;text-decoration:none;}
  border:1px solid #D3E6AE;border-radius:6px;padding:3px 10px;background:#FBF8F1;transition:all .15s;}
.pm-files .db-doc:hover{background:#4F7D1E;color:#fff;border-color:#4F7D1E;}
.pm-none{color:var(--muted);}
.pm-ask{align-self:flex-start;margin-top:2px;}

@media(max-width:920px){
  .page-hero{height:auto;min-height:0;padding:40px 0;}
  .db-list.card-mode{grid-template-columns:repeat(2,1fr);gap:16px;}
  .pcard-mm{grid-template-columns:1fr;}
  .pm-img{min-height:220px;}
}
@media(max-width:560px){
  .db-list.card-mode{grid-template-columns:1fr;}
  .pm-b{padding:20px;}
}

/* ===== 导航搜索框（固定显示胶囊外圈） ===== */
.nav-search{display:flex;align-items:center;gap:0;margin-right:14px;
  border:1px solid var(--line);border-radius:999px;background:#FBFAF7;
  transition:border-color .2s,box-shadow .2s;}
.nav-search:focus-within{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-soft);}
.nav-search input{border:none;background:none;outline:none;font-size:12.5px;color:var(--ink);
  width:150px;padding:7px 4px 7px 14px;}
.nav-search input::placeholder{color:var(--muted);}
.nav-search button{border:none;background:none;cursor:pointer;font-size:14px;padding:6px 8px;opacity:.75;transition:opacity .15s;}
.nav-search button:hover{opacity:1;}
/* 英文页菜单更长，导航整体收紧，避免右侧语言切换被裁切 */
html[lang="en"] .nav-links{gap:14px;font-size:14px;}
html[lang="en"] .nav-search input{width:110px;}

/* ===== 乐鑫官网式规格表（开发板页） ===== */
.sp-thead{display:grid;grid-template-columns:230px 1.6fr 150px 76px 64px 88px;gap:16px;align-items:center;
  padding:0 14px 12px;font-size:11.5px;color:var(--muted);letter-spacing:.06em;}
.sp-thead span:first-child{padding-left:0;}
.db-list.spec-mode{display:block;border-top:1px solid var(--line);}
.sprow{display:grid;grid-template-columns:230px 1.6fr 150px 76px 64px 88px;gap:16px;align-items:center;
  padding:14px;border-bottom:1px solid var(--line);transition:background .2s;cursor:pointer;}
.sprow:hover{background:#FBF9F4;}
.sp-p{display:flex;flex-direction:column;gap:6px;align-items:flex-start;}
.sp-img{width:72px;height:54px;border-radius:10px;background:linear-gradient(145deg,#F6F3EC,#E5F0D2);
  display:flex;align-items:center;justify-content:center;font-size:28px;overflow:hidden;}
.sp-img img{width:100%;height:100%;object-fit:cover;display:block;}
.sp-img.has{padding:0;}
.sp-img a{display:block;width:100%;height:100%;}
.sp-name{font-size:14px;font-weight:800;color:var(--ink);text-decoration:underline;
  text-underline-offset:3px;text-decoration-color:rgba(22,23,26,.25);}
.sprow:hover .sp-name{color:#4F7D1E;text-decoration-color:rgba(79,125,30,.5);}
.sp-cat{font-size:10.5px;color:#4F7D1E;background:var(--gold-soft);border:1px solid #DCEBBC;
  border-radius:999px;padding:1px 8px;}
.sp-d{position:relative;padding-right:22px;}
.sp-d p{font-size:12.5px;color:var(--body);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.sp-d.open p{-webkit-line-clamp:unset;}
.sp-more{position:absolute;right:0;bottom:0;border:none;background:none;cursor:pointer;
  color:var(--muted);font-size:13px;padding:2px 4px;transition:transform .2s;}
.sp-d.open .sp-more{transform:rotate(180deg);}
.sp-f{display:flex;flex-direction:column;gap:5px;align-items:flex-start;}
.sp-f .db-doc{display:inline-block;font-size:11px;font-weight:600;color:#4F7D1E;text-decoration:none;}
  border:1px solid #D3E6AE;border-radius:6px;padding:2px 8px;background:#FBF8F1;white-space:nowrap;transition:all .15s;}
.sp-f .db-doc:hover{background:#4F7D1E;color:#fff;border-color:#4F7D1E;}
.sp-n{font-size:14px;font-weight:800;color:#4F7D1E;}
.sp-a{justify-self:end;}
.sp-buy{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;color:#fff;text-decoration:none;}
  background:var(--ink);border-radius:999px;padding:7px 14px;transition:all .2s;}
.sp-buy i{font-style:normal;font-size:13px;}
.sp-buy:hover{background:#4F7D1E;transform:translateY(-2px);box-shadow:0 8px 20px rgba(79,125,30,.3);}

/* ===== 左侧系列树（乐鑫风格） ===== */
.side-tree{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 14px;}
.side-tree h4{font-size:15px;font-weight:900;color:var(--ink);margin-bottom:12px;}
.side-tree .db-filter{display:flex;align-items:center;justify-content:space-between;width:100%;
  border:none;background:none;cursor:pointer;text-align:left;font-size:13.5px;font-weight:700;color:var(--ink);
  padding:10px 12px;border-radius:10px;transition:all .15s;}
.side-tree .db-filter span{flex:1;}
.side-tree .db-filter:hover{background:#FAF7F0;}
.side-tree .db-filter.active{background:#F6EFDD;color:#4F7D1E;}
.side-tree .chev{font-size:26px;color:#9a8f7d;transition:transform .2s;font-style:normal;line-height:1;vertical-align:middle;margin-top:-4px;}
.side-tree .chev.open{transform:rotate(180deg);}
.side-tree .side-sub{display:none;flex-direction:column;gap:2px;padding:2px 0 8px 26px;}
.side-tree .side-sub.open{display:flex;}
.side-tree .side-sub .sub-item{font-size:12.5px;color:var(--muted);padding:4px 8px;border-radius:8px;}
.side-tree .side-sub .sub-item:hover{background:#FAF7F0;color:var(--ink);}
.side-tree .side-sub .db-filter{border:0;background:transparent;justify-content:flex-start;
  width:auto;font-size:12.5px;font-weight:500;color:var(--muted);padding:4px 8px;border-radius:8px;}
.side-tree .side-sub .db-filter:hover{background:#FAF7F0;}
.side-tree .side-sub .db-filter.active{background:#F6EFDD;color:#4F7D1E;}

/* ===== 弹窗里的规格参数表 ===== */
.pm-spec{background:#FAF9F6;border:1px solid var(--line);border-radius:12px;padding:12px 14px;}
.pm-spec b{display:block;font-size:11px;letter-spacing:.08em;color:var(--muted);margin-bottom:6px;}
.pm-spec table{width:100%;border-collapse:collapse;font-size:12.5px;}
.pm-spec td{padding:5px 8px;border-bottom:1px dashed var(--line);color:var(--body);}
.pm-spec td:first-child{width:38%;color:var(--muted);}
.pm-spec tr:last-child td{border-bottom:none;}

@media(max-width:920px){
  .sp-thead{display:none;}
  .sprow{grid-template-columns:100px 1fr;row-gap:8px;}
  .sp-p{flex-direction:row;align-items:center;}
  .sp-f,.sp-a,.sp-n{grid-column:2;}
  .sp-a{justify-self:start;}
  .nav-search input{width:100px;}
}
@media(max-width:700px){
  .nav-search{display:none;}
}
/* ============ 芯片分销 · 立创商城式现货产品列表 ============ */
.lc-thead,.lc-row{display:grid;grid-template-columns:minmax(150px,1.4fr) 84px minmax(126px,1fr) 88px 46px 62px 50px 66px minmax(80px,.8fr) 96px;gap:6px;align-items:center;min-width:860px;}
.lc-thead{padding:0 12px 6px;font-size:12px;color:#000;letter-spacing:.06em;font-weight:600;}
.lc-thead span{text-align:center;}
.lc-thead span:first-child{text-align:left;}
.lc-mode{display:flex;flex-direction:column;gap:6px;overflow-x:auto;}
.lc-search{display:flex;justify-content:center;margin:0 auto 24px;max-width:780px;padding:0 16px;}
.lc-search-box{
  position:relative;display:flex;align-items:center;flex:1 1 auto;width:100%;
  min-width:0;border:1px solid #D9DEE3;border-radius:10px;background:#fff;padding:3px 3px 3px 0;
  transition:border-color .18s,box-shadow .18s;
}
.lc-search-box:focus-within{border-color:var(--gold);box-shadow:0 0 0 3px rgba(127,181,57,.12);}
.lc-search-btn{
  flex:0 0 auto;padding:7px 22px;font-size:13.5px;font-weight:600;color:#fff;
  background:linear-gradient(135deg,#7FB539,#6BA32E);border:none;border-radius:8px;
  cursor:pointer;transition:filter .18s,transform .18s;
}
.lc-search-btn:hover{filter:brightness(1.06);}
.lc-search-btn:active{transform:scale(.97);}
.lc-search-ic{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:13px;opacity:.55;pointer-events:none;}
.lc-search input{
  flex:1 1 0;width:0;min-width:0;padding:8px 8px 8px 34px;font-size:13.5px;color:var(--ink);
  border:none;background:transparent;outline:none;
}
.lc-search input::placeholder{color:#9AA0A6;}
.lc-row{background:#fff;border:1px solid var(--line);border-radius:10px;padding:1px 12px;transition:box-shadow .18s,border-color .18s;}
.lc-row:hover{border-color:var(--gold-2);box-shadow:0 6px 18px rgba(22,23,26,.06);}
/* 列 1：型号（图片位 + 自营 + 型号名） */
.lc-info{display:flex;gap:12px;align-items:center;min-width:0;}
.lc-img{flex-shrink:0;width:24px;height:24px;border:1px solid var(--line);border-radius:6px;background:#FBFAF7;display:flex;align-items:center;justify-content:center;overflow:hidden;font-size:13px;text-decoration:none;}
.lc-img img{width:100%;height:100%;object-fit:contain;}
.lc-mr{min-width:0;}
.lc-name{display:flex;align-items:center;gap:6px;font-size:12.5px;min-width:0;}
.lc-model{color:#000;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;}
.lc-self{flex-shrink:0;font-size:10px;line-height:1;padding:2px 5px;border-radius:4px;color:var(--ink-2);background:#FDEEEC;border:1px solid #F3C9C4;font-weight:600;letter-spacing:.05em;white-space:nowrap;}
.lc-self i{font-style:normal;color:#D54941;font-weight:700;}
/* 列 2/3：品牌、封装 */
.lc-brand,.lc-pkg{font-size:12px;color:#000;text-align:center;word-break:keep-all;overflow-wrap:break-word;}
/* 列 4：数据手册 */
.lc-ds{text-align:center;}
.lc-ds-link{display:inline-flex;align-items:center;gap:3px;padding:1px 6px;border:1px solid var(--line);border-radius:6px;font-size:11.5px;text-decoration:none;color:#000;background:#FBFAF7;white-space:nowrap;}
.lc-ds-link:hover{border-color:var(--gold);}
.lc-none{color:#000;font-size:12px;}
/* 列 5：批号 */
.lc-batch{font-size:12px;color:#000;text-align:center;word-break:break-all;}
/* 列 6：库存 */
.lc-stock{font-size:12px;color:#000;font-weight:600;text-align:center;word-break:break-all;}
/* 列 7/8：品质、仓库 */
.lc-quality,.lc-wh{font-size:12px;color:#000;text-align:center;word-break:break-all;}
/* 列 9：说明（超长省略，悬停 title 全文） */
.lc-desc{font-size:12px;color:#000;line-height:1.4;max-height:2.8em;overflow:hidden;word-break:break-all;text-align:center;}
/* 列 10：询价按钮 + QQ/微信/电话 */
.lc-op{text-align:center;}
.lc-inq{display:inline-block;padding:2px 8px;border:none;border-radius:6px;background:#D54941;color:#fff;font-size:12px;font-weight:700;text-decoration:none;white-space:nowrap;transition:filter .15s;}
.lc-inq:hover{filter:brightness(1.08);}
.lc-contacts{display:flex;gap:6px;margin-top:1px;flex-wrap:nowrap;justify-content:center;}
.lc-ct{font-size:11px;color:#000;text-decoration:none;white-space:nowrap;letter-spacing:0;}
.lc-ct:hover{color:#D54941;text-decoration:underline;}
/* 微信二维码悬浮弹窗 */
.lc-wx-wrap{position:relative;display:inline-flex;}
.lc-wx-pop{display:none;position:absolute;top:calc(100% + 6px);right:-8px;z-index:60;background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px 6px 4px;box-shadow:0 8px 24px rgba(22,23,26,.16);text-align:center;}
.lc-wx-wrap:hover .lc-wx-pop{display:block;}
.lc-wx-pop img{width:110px;height:110px;object-fit:contain;display:block;cursor:zoom-in;}
.lc-wx-pop i{font-style:normal;font-size:11px;color:#000;display:block;margin-top:2px;white-space:nowrap;}
/* QQ 悬停弹窗：客服号 + 复制按钮 */
.lc-qq-wrap{position:relative;display:inline-flex;padding-bottom:6px;margin-bottom:-6px;}
.lc-qq-pop{display:none;position:absolute;top:100%;left:auto;right:-8px;z-index:60;background:#fff;border:1px solid var(--line);border-radius:8px;padding:7px 10px;box-shadow:0 8px 24px rgba(22,23,26,.16);white-space:nowrap;font-size:12px;color:#000;align-items:center;gap:6px;}
.lc-qq-wrap:hover .lc-qq-pop{display:inline-flex;}
.lc-qq-pop b{font-weight:600;letter-spacing:.02em;}
.lc-qq-cp{border:none;border-radius:5px;background:#1A66B3;color:#fff;font-size:11.5px;line-height:1;padding:5px 10px;cursor:pointer;font-weight:600;}
.lc-qq-cp:hover{filter:brightness(1.1);}
.lc-qq-cp:active{transform:scale(.96);}
.lc-tel-pop{left:auto;right:-8px;}
/* 侧栏品牌 logo 墙 */
.side-logos{display:flex;flex-direction:column;gap:8px;margin-top:8px;}
.side-logo-btn{display:flex;flex-direction:row;align-items:center;gap:10px;padding:10px 12px;background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer;transition:border-color .15s,background .15s;}
.side-logo-btn img{height:34px;max-width:130px;object-fit:contain;flex-shrink:0;}
.side-logo-btn i{font-style:normal;font-size:11px;color:var(--muted);line-height:1;margin-left:auto;}
.side-logo-btn:hover{border-color:var(--gold);}
.side-logo-btn.active{border-color:var(--gold);background:#FBF7EF;}
.side-all{width:100%;}
@media (max-width:1080px){
  .lc-thead{display:none;}
  .lc-row{grid-template-columns:1fr 1fr;grid-auto-rows:auto;}
  .lc-info{grid-column:1 / -1;}
  .lc-brand::before{content:"品牌：";color:var(--muted);}
  .lc-pkg::before{content:"封装：";color:var(--muted);}
  .lc-batch::before{content:"批号：";color:var(--muted);}
  .lc-stock::before{content:"库存：";color:var(--muted);}
  .lc-op{text-align:center;}
  .lc-quality::before{content:"品质：";color:var(--muted);}
  .lc-wh::before{content:"仓库：";color:var(--muted);}
  .lc-desc::before{content:"说明：";color:var(--muted);}
  /* 英文页（chips-en.html, html lang="en"）保持英文标签 */
  html[lang^="en"] .lc-brand::before{content:"Brand: ";}
  html[lang^="en"] .lc-pkg::before{content:"Package: ";}
  html[lang^="en"] .lc-batch::before{content:"D/C: ";}
  html[lang^="en"] .lc-stock::before{content:"Stock: ";}
  html[lang^="en"] .lc-quality::before{content:"Quality: ";}
  html[lang^="en"] .lc-wh::before{content:"WH: ";}
  html[lang^="en"] .lc-desc::before{content:"Note: ";}
}

/* ===== 开发板卡片网格（查看详情风格） ===== */
.db-list.card-mode{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px;padding:6px 0 12px;}
.db-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 14px 12px;
  display:flex;flex-direction:column;align-items:center;gap:12px;cursor:pointer;text-decoration:none;
  transition:transform .2s,box-shadow .2s,border-color .2s;}
.db-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#A3CC6F;}
.dc-name{font-size:14.5px;font-weight:800;color:var(--ink);text-align:center;line-height:1.45;
  min-height:42px;display:flex;align-items:center;justify-content:center;width:100%;}
.dc-img{height:170px;width:100%;display:flex;align-items:center;justify-content:center;}
.dc-img img{max-height:170px;max-width:92%;object-fit:contain;}
.dc-em{font-size:46px;opacity:.45;}
.dc-more{color:#2E7CF6;font-size:13.5px;font-weight:700;display:inline-flex;align-items:center;gap:4px;margin-top:auto;}
.dc-more i{font-style:normal;font-size:15px;line-height:1;}
.db-card:hover .dc-more{text-decoration:underline;}
@media (max-width:1180px){.db-list.card-mode{grid-template-columns:repeat(2,1fr);gap:18px;}}
@media (max-width:680px){.db-list.card-mode{grid-template-columns:1fr;gap:14px;}}

/* ===== 开发板选型目录：加宽板块 + 筛选栏放大 + 两行4格卡片墙（带滚动条） ===== */
.container:has(>.db-layout){max-width:1600px;}
.db-layout{grid-template-columns:220px 1fr;gap:26px;}
.db-side{padding:20px 14px;}
.db-side h4{font-size:17px;margin:0 8px 14px;}
.db-list.card-mode{grid-template-columns:repeat(4,1fr);gap:14px;
  max-height:3764px;overflow-y:auto;padding:8px 10px 14px 2px;
  scrollbar-width:thin;scrollbar-color:#A3CC6F #F3EFE5;}
.db-list.card-mode .db-card{padding:12px 8px 8px;gap:8px;}
.db-list.card-mode .dc-img{height:120px;}
.db-list.card-mode .dc-img img{max-height:120px;}
.db-list.card-mode .dc-name{font-size:13px;min-height:36px;}
.db-list.card-mode .dc-more{font-size:12.5px;}
.db-list.card-mode::-webkit-scrollbar{width:8px;}
.db-list.card-mode::-webkit-scrollbar-thumb{background:#A3CC6F;border-radius:8px;}
.db-list.card-mode::-webkit-scrollbar-track{background:#F3EFE5;border-radius:8px;}
/* 详情页富文本说明 */
.pd-rich{font-size:14.5px;line-height:1.85;color:#3A3F47;}
.pd-rich img{max-width:100%;height:auto;border-radius:8px;margin:8px 0;}
.pd-rich h3{margin:14px 0 8px;font-size:17px;color:var(--ink);}
.pd-rich blockquote{margin:10px 0;padding:8px 14px;border-left:3px solid #A3CC6F;background:#FAF7F0;}
.pd-rich ul,.pd-rich ol{padding-left:24px;margin:8px 0;}
.pd-rich a{color:#1D4ED8;}
/* 左侧系列栏：型号多时内部滚动，金色细滚动条（与卡片墙同款） */
.db-side{max-height:calc(100vh - 116px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:#A3CC6F #F3EFE5;}
.db-side::-webkit-scrollbar{width:8px;}
.db-side::-webkit-scrollbar-thumb{background:#A3CC6F;border-radius:8px;}
.db-side::-webkit-scrollbar-track{background:#F3EFE5;border-radius:8px;}
@media (max-width:1024px){
  .db-list.card-mode{grid-template-columns:repeat(3,1fr);max-height:none;overflow:visible;}
  .db-layout{grid-template-columns:200px 1fr;}
}
@media (max-width:680px){.db-list.card-mode{grid-template-columns:repeat(2,1fr);gap:12px;}}

/* ===== 开发板产品详情页 ===== */
.pd-wrap{max-width:880px;margin:0 auto;}
/* ---- 详情页 Seeed 风格顶部区：左图集 + 右信息 ---- */
.pd-hero-tight .inner{padding-top:26px;padding-bottom:18px;}
.pd2-grid{display:grid;grid-template-columns:minmax(300px,440px) 1fr;gap:40px;align-items:start;}
.pd2-gal{position:sticky;top:86px;}
.pd2-gal .pd-main{margin:0;border:1px solid var(--line);border-radius:14px;background:#fff;
  display:flex;align-items:center;justify-content:center;min-height:300px;overflow:hidden;}
.pd2-gal .pd-thumbs{display:flex;flex-direction:row;flex-wrap:wrap;gap:8px;margin-top:12px;}
.pd2-gal .pd-hint{margin-top:10px;}
.pd2-noimg{display:flex;align-items:center;justify-content:center;min-height:300px;
  border:1px dashed var(--line);border-radius:14px;font-size:88px;opacity:.7;}
.pd2-info h1{font-size:30px;font-weight:900;color:var(--ink);line-height:1.25;margin:0 0 10px;}
.pd2-sub{font-size:15px;color:var(--muted);margin:0 0 18px;}
.pd2-feats{list-style:none;margin:0 0 22px;padding:0;border-top:1px solid var(--line);}
.pd2-feats li{position:relative;padding:9px 0 9px 20px;font-size:14px;color:var(--body);
  border-bottom:1px solid var(--line);line-height:1.7;}
.pd2-feats li::before{content:"";position:absolute;left:2px;top:1.05em;width:8px;height:8px;
  border-radius:50%;background:var(--gold);}
.pd2-feats li b{color:var(--ink);margin-right:10px;}
.pd2-cta-row{display:flex;flex-direction:column;gap:12px;align-items:flex-start;margin-top:4px;}
.pd2-cta{display:block;width:100%;max-width:420px;text-align:center;font-size:16px;font-weight:800;
  padding:14px 20px;border-radius:999px;}
@media (max-width:920px){.pd2-grid{grid-template-columns:1fr;gap:22px;}.pd2-gal{position:static;}}
/* ---- 详情页纵排布局：图集独占顶部，标题/参数块在产品描述上方 ---- */
.pd2-gal-solo{max-width:720px;margin:0 auto;position:static;}
.pd-gal-back{max-width:720px;margin:12px auto 0;text-align:center;}
.pd-back-bottom{margin:6px 0 2px;text-align:center;}
.pd-top-info{padding-top:0;}
.pd-info-center{max-width:880px;margin:0 auto;}
.pd-info-center .pd2-cta-row{margin-top:2px;}
/* ---- 详情页 Seeed 风格顶部区 end ---- */
.pd-sec{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;margin-bottom:18px;}
.pd-sec h3{font-size:16px;font-weight:900;color:var(--ink);margin-bottom:12px;padding-left:10px;border-left:3px solid #1A66B3;}
.pd-sec p{font-size:14px;color:var(--body);line-height:1.9;}
.pd-specs{width:100%;border-collapse:collapse;font-size:13.5px;}
.pd-specs td{border:1px solid var(--line);padding:9px 14px;color:var(--body);}
.pd-specs td:first-child{width:200px;font-weight:700;color:var(--ink);background:transparent;}
.pd-docs{display:flex;flex-wrap:wrap;gap:10px;}
.pd-sku{width:100%;border-collapse:collapse;font-size:13.5px;}
.pd-sku th{background:#FAF7F0;border:1px solid var(--line);padding:9px 14px;color:var(--ink);font-weight:700;text-align:left;white-space:nowrap;}
.pd-sku td{border:1px solid var(--line);padding:9px 14px;color:var(--body);}
.pd-sku tbody tr:hover{background:#FDFBF6;}
.sku-price{color:#C0392B;font-weight:700;}
.sku-inq{display:inline-block;padding:3px 12px;border:1px solid #1A66B3;border-radius:999px;color:#8a6d3b;font-size:12.5px;text-decoration:none;white-space:nowrap;}
.sku-inq:hover{background:#1A66B3;color:#fff;}
.pd-none{font-size:13px;color:var(--muted);}
.pd-back{display:inline-block;margin-top:6px;font-size:13.5px;font-weight:700;color:var(--ink);text-decoration:none;}
.pd-back:hover{color:var(--gold);}

/* 详情页紧凑海报 */
.page-hero.pd-hero{min-height:0;height:auto;padding:30px 0;}
.page-hero.pd-hero h1{font-size:30px;margin:0;}
.page-hero.pd-hero .crumbs{margin-bottom:10px;}

/* 详情页产品图片画廊：主图 + 缩略图 + 点击放大 */
.pd-gallery{display:flex;gap:16px;align-items:flex-start;}
.pd-thumbs{order:-1;display:flex;flex-direction:column;flex-wrap:wrap;gap:8px;flex:0 0 auto;
           max-height:410px;overflow-y:auto;padding-right:2px;}
.pd-main{margin:0;flex:1 1 auto;min-width:0;border:1px solid var(--line);border-radius:12px;
         background:#fff;padding:14px;display:flex;align-items:center;justify-content:center;
         cursor:zoom-in;min-height:410px;}
.pd-main img{max-width:100%;max-height:380px;object-fit:contain;}
.pd-thumb{padding:3px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;line-height:0;}
.pd-thumb img{width:54px;height:54px;object-fit:contain;}
.pd-thumb.active{border-color:#2E7CF6;box-shadow:0 0 0 2px rgba(46,124,246,.18);}
/* 详情页看图左右切换箭头 */
.pd-main{position:relative;}
.pd-nav{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border-radius:50%;
        border:none;background:rgba(22,23,26,.42);color:#fff;font-size:22px;line-height:0;cursor:pointer;
        display:flex;align-items:center;justify-content:center;z-index:5;transition:background .2s,transform .2s;}
.pd-nav:hover{background:var(--gold,#7FB539);}
.pd-prev{left:12px;}.pd-next{right:12px;}
.pd-lightbox .pd-nav{width:46px;height:46px;font-size:26px;background:rgba(255,255,255,.18);z-index:20;}
.pd-lightbox .pd-nav:hover{background:var(--gold,#7FB539);}
.pd-thumb:hover{border-color:#9db8e6;}
.pd-hint{font-size:12.5px;color:var(--muted);margin-top:10px;}
.pd-lightbox{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
             padding:40px;background:rgba(14,18,26,.88);cursor:zoom-out;}
.pd-lightbox.open{display:flex;}
.pd-lightbox img{max-width:92vw;max-height:88vh;object-fit:contain;background:#fff;border-radius:10px;
                  transform-origin:center center;transition:transform .08s linear;
                  user-select:none;-webkit-user-drag:none;will-change:transform;}
.pd-lb-x{position:absolute;top:18px;right:22px;width:38px;height:38px;border:none;border-radius:50%;
         background:rgba(255,255,255,.14);color:#fff;font-size:22px;line-height:1;cursor:pointer;
         display:flex;align-items:center;justify-content:center;padding:0 0 2px;
         transition:background .15s;}
.pd-lb-x:hover{background:rgba(255,255,255,.30);}
.pd-lb-hint{position:absolute;left:0;right:0;bottom:16px;text-align:center;
            font-size:12.5px;color:rgba(255,255,255,.62);letter-spacing:.02em;}
@media (max-width:860px){
  .pd-gallery{flex-direction:column;gap:14px;}
  .pd-thumbs{order:0;flex-direction:row;max-height:none;overflow-x:auto;width:100%;}
  .pd-main{flex:none;width:100%;min-height:0;}
  .pd-main img{max-height:300px;}
}

/* ===== BOM 在线询价弹窗 ===== */
.bom-mask{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:9000;align-items:flex-start;justify-content:center;overflow-y:auto;padding:6vh 16px 40px;}
.bom-modal{position:relative;width:100%;max-width:560px;background:#fff;border-radius:14px;box-shadow:0 24px 64px rgba(15,23,42,.25);padding:22px 26px 24px;animation:bomIn .22s ease;}
@keyframes bomIn{from{opacity:0;transform:translateY(-14px);}to{opacity:1;transform:none;}}
.bom-x{position:absolute;top:12px;right:14px;width:32px;height:32px;border:none;background:#F3F4F6;border-radius:8px;font-size:18px;line-height:1;color:#374151;cursor:pointer;}
.bom-x:hover{background:#E5E7EB;}
.bom-tabs{display:flex;gap:28px;border-bottom:2px solid #EEF0F3;margin-bottom:18px;}
.bom-tab{border:none;background:none;font-size:16px;font-weight:600;color:#6B7280;padding:8px 2px 12px;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;font-family:inherit;}
.bom-tab.active{color:#1A66B3;border-bottom-color:#1A66B3;}
.bom-drop{border:1.5px dashed #C7CDD6;border-radius:12px;background:#F8FAFC;padding:30px 20px 24px;text-align:center;transition:border-color .15s,background .15s;}
.bom-drop.over{border-color:#1A66B3;background:#EFF6FF;}
.bom-drop-t{margin:0 0 16px;font-size:14.5px;color:#374151;}
.bom-btns{display:flex;justify-content:center;gap:12px;}
.bom-btn{display:inline-flex;align-items:center;gap:8px;border:none;border-radius:9px;padding:11px 26px;font-size:14.5px;font-weight:600;cursor:pointer;font-family:inherit;}
.bom-primary{background:#1A66B3;color:#fff;}
.bom-primary:hover{background:#155A9E;}
.bom-fname{display:flex;flex-direction:column;align-items:center;gap:6px;margin:14px auto 0;padding:10px 16px;max-width:440px;background:#fff;border:1px solid #BBE7D2;border-radius:8px;font-size:14px;color:#1F2937;min-height:0;word-break:break-all;}
.bom-drop.picked{border:1.5px solid #2BA471;border-style:solid;background:#F2FBF6;}
.bom-fname-head{font-weight:600;color:#2BA471;font-size:13px;}
.bom-fname-row{display:flex;align-items:center;gap:8px;max-width:100%;}
.bom-fname .bom-fname-ok{flex:none;width:20px;height:20px;border-radius:50%;background:#2BA471;color:#fff;font-size:12px;line-height:20px;text-align:center;}
.bom-fname .bom-fname-n{font-weight:600;}
.bom-fname .bom-fname-s{color:#8A94A6;font-size:12px;flex:none;}
.bom-fname .bom-fname-re{color:#1A66B3;font-size:13px;flex:none;}
.bom-fname-ops{display:flex;gap:14px;margin-top:2px;}
.bom-fname .bom-fname-x{flex:none;width:18px;height:18px;border-radius:50%;background:#EEF0F3;color:#6B7280;font-size:14px;line-height:16px;text-align:center;text-decoration:none;}
.bom-fname .bom-fname-x:hover{background:#FDE8E8;color:#D5455C;}
.bom-fname:empty{display:none;}
.bom-foot-row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:10px;font-size:12.5px;color:#9CA3AF;flex-wrap:wrap;}
.bom-tpl{color:#1A66B3;font-size:13px;text-decoration:none;white-space:nowrap;}
.bom-tpl:hover{text-decoration:underline;}
.bom-text{width:100%;box-sizing:border-box;height:190px;border:1.5px solid #D6DBE2;border-radius:10px;padding:12px 14px;font-size:13.5px;font-family:Consolas,Menlo,monospace;line-height:1.7;resize:vertical;color:#111;}
.bom-text:focus{outline:none;border-color:#1A66B3;}
.bom-count{margin:6px 0 0;font-size:12.5px;color:#9CA3AF;text-align:right;}
.bom-form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;}
.bom-input{width:100%;box-sizing:border-box;border:1.5px solid #D6DBE2;border-radius:9px;padding:10px 12px;font-size:13.5px;color:#111;}
.bom-input:focus{outline:none;border-color:#1A66B3;}
.bom-submit{width:100%;margin-top:14px;border:none;border-radius:9px;background:#1A66B3;color:#fff;font-size:15px;font-weight:600;padding:12px;cursor:pointer;font-family:inherit;}
.bom-submit:hover{background:#155A9E;}
.bom-submit:disabled{opacity:.6;cursor:default;}
.bom-msg{margin:10px 0 0;font-size:13px;min-height:1.2em;text-align:center;}
.bom-msg.ok{color:#15803D;}
.bom-msg.err{color:#D54941;}
@media (max-width:640px){ .bom-form-row{grid-template-columns:1fr;} .bom-modal{padding:18px 16px 20px;} }

/* ---- 内嵌版 BOM 询价表单（BOM 页「配单能力」面板） ---- */
.bom-inline{margin-top:2px;}
.bom-inline .bom-drop{padding:22px 14px 18px;}
.bom-inline .bom-drop-t{margin-bottom:12px;font-size:14px;}
.bom-inline .bom-text{height:140px;}
.panel .bom-tabs{gap:22px;margin-bottom:14px;}
.panel .bom-form-row{margin-top:12px;}
.panel .bom-tabs{justify-content:center;}
.panel .bom-tabs{border-bottom-color:#EEF0F3;}
.bom-solo{max-width:720px;margin:0 auto;}
.bom-duo .bom-solo{max-width:none;margin:0;}
.bom-solo-t{margin:0 0 8px;font-size:20px;line-height:1.35;text-align:center;color:var(--ink);}
.bom-solo-s{margin:0 0 18px;font-size:13.5px;line-height:1.7;text-align:center;color:var(--muted);}
/* BOM 页：品牌墙（左） + 上传模块（右），两栏等高、边框对齐 */
.bom-duo{display:grid;grid-template-columns:minmax(280px,400px) 1fr;gap:28px;align-items:stretch;}
.brand-wall-side{display:flex;background:#fff;border:1px solid #ECEDEF;border-radius:16px;box-shadow:0 12px 34px rgba(15,25,18,.12);padding:12px;}
.brand-wall-side img{width:100%;height:100%;object-fit:contain;display:block;}
@media(max-width:960px){.bom-duo{grid-template-columns:1fr;}.brand-wall-side{max-width:440px;margin:0 auto;}}
/* ===== 手机端精修（2026-09-22） ===== */
@media (max-width:380px){
  .hero h1{font-size:30px;}
  .hero{padding:64px 0 60px;}
  .page-hero h1{font-size:26px;}
  .sec-head h2{font-size:24px;}
  .container{padding:0 16px;}
}
/* ===== 手机端修复：开发板选型目录两栏折叠（覆盖后置桌面规则，2026-09-22） ===== */
@media (max-width:768px){
  .db-layout{grid-template-columns:1fr;gap:16px;}
  .db-side{max-height:none;overflow:visible;}
  .db-list.card-mode{max-height:none;overflow:visible;padding:0;}
}
/* ===== 手机端修复：自营现货列表行取消 min-width:800px（2026-09-22） ===== */
@media (max-width:1080px){
  .lc-thead,.lc-row{min-width:0;}
  .db-layout{grid-template-columns:1fr;gap:16px;}
}
/* ===== 手机端修复：参数对比表取消 min-width，改为自然换行（2026-09-22） ===== */
@media (max-width:680px){
  table.tbl{min-width:0;}
  table.tbl th,table.tbl td{padding:10px 14px;word-break:break-word;white-space:normal;}
}
/* ===== 手机端导航手风琴：一级项（开发板等）点箭头展开子菜单，文字仍可跳转；系列/品牌名直接跳转；型号列表不在菜单内展示（2026-09-23） ===== */
@media (max-width:960px){
  /* 一级项统一行结构：所有项（含 BOM/PCBA 等无子菜单项）都用同一种
     块级全宽 flex 行 + 相同行高内边距，分隔线通栏，彻底消除大小不一（2026-09-23） */
  .nav-links .item > a{
    display:flex;align-items:center;width:100%;box-sizing:border-box;
    line-height:1.4;
    padding-top:11px;padding-bottom:11px;
  }
  /* 一级：开发板 / 芯片分销 / 关于好悦 等带子菜单项；
     改为块级全宽行：修复 inline 盒子互相重叠导致的"箭头偏下 + 误碰下一行" */
  .nav-links .item > a.has-sub{
    position:relative;
    padding-right:60px;
  }
  .nav-links .item > a.has-sub::after{content:none;}
  /* 箭头触控区：整行高度 + 右侧 56px 宽，绝不会再碰 到下一行 */
  .nav-links .item > a.has-sub .sub-arrow{
    position:absolute;right:0;top:0;bottom:0;width:56px;
    display:flex;align-items:center;justify-content:center;
    color:var(--muted);
  }
  /* CSS 画箭头（不用 ⌄ 字符：字符天生偏下且偏小） */
  .nav-links .item > a.has-sub .sub-arrow::before{
    content:"";flex:none;width:13px;height:13px;margin-top:-5px;
    border-right:2.5px solid currentColor;border-bottom:2.5px solid currentColor;
    transform:rotate(45deg);transition:transform .2s,margin-top .2s;
  }
  .nav-links .item > a.has-sub.open .sub-arrow{color:var(--ink);}
  .nav-links .item > a.has-sub.open .sub-arrow::before{transform:rotate(225deg);margin-top:5px;}
  .nav-links .item > .nav-sub{display:none !important;}
  .nav-links .item > .nav-sub.open{display:flex !important;}
  /* 手机点按产生粘性 hover，必须把 hover 规则一并压制，否则收不回 */
  .nav-links .item:hover > .nav-sub{display:none !important;}
  .nav-links .item:hover > .nav-sub.open{display:flex !important;}
  /* 二级：系列名/品牌名 = 纯跳转链接；三级型号列表一律不在菜单内展开 */
  .nav-sub .sub-item > a.has-children{padding-right:0;}
  .nav-sub .sub-item > a.has-children .sub-arrow{display:none;}
  .nav-sub .nav-sub.lv3{display:none !important;}
  .nav-sub .sub-item:hover > .nav-sub.lv3{display:none !important;}
}
/* ===== 手机端修复：QQ/微信气泡改向右展开，避免超出屏幕左缘被截断（2026-09-23） ===== */
@media (max-width:768px){
  .lc-qq-pop,.lc-wx-pop,.lc-tel-pop{left:-8px;right:auto;}
}
/* ===== 手机端加大侧栏系列树箭头：CSS 画箭头、40px 触控区、行高加大（2026-09-23） ===== */
@media (max-width:768px){
  .side-tree .db-filter{padding:13px 10px 13px 12px;}
  .side-tree .db-filter > span{font-size:14.5px;}
  .side-tree .chev{
    font-size:0;flex:none;width:44px;height:44px;margin-top:0;
    display:flex;align-items:center;justify-content:center;
  }
  .side-tree .chev::before{
    content:"";width:13px;height:13px;margin-top:-5px;
    border-right:2.5px solid #9a8f7d;border-bottom:2.5px solid #9a8f7d;
    transform:rotate(45deg);transition:transform .2s,margin-top .2s;
  }
  .side-tree .chev.open{transform:none;}
  .side-tree .chev.open::before{transform:rotate(225deg);margin-top:5px;}
}
/* ===== 手机端恢复搜索栏：头部两行布局，第二行全宽搜索（2026-09-23） ===== */
@media (max-width:700px){
  .nav{flex-wrap:wrap;height:auto;padding:10px 28px 12px;row-gap:8px;}
  .nav-search{display:flex;order:5;width:70%;margin:0 auto;}
  .nav-search input{flex:1;width:auto;min-width:0;padding:9px 4px 9px 14px;font-size:13px;}
  .nav-search button{padding:8px 12px;}
}
/* ===== 手机端加大汉堡菜单按钮，保证 44px 触控目标（2026-09-23） ===== */
@media (max-width:960px){
  .menu-btn{font-size:26px;padding:8px 8px;min-width:46px;min-height:44px;line-height:1;margin-right:-4px;}
}
/* ===== 桌面导航微调：宽屏导航与 logo 拉开距离；961-1255px 收起头部搜索，避免 ENGLISH 被挤出屏幕（2026-09-24） ===== */
@media (min-width:1256px){
  .nav-links{margin-left:24px;}
}
@media (max-width:1255px) and (min-width:961px){
  .nav-search{display:none;}
}

/* ---- 芯片在线询价弹窗（chips 页「询价」按钮） ---- */
.lcm-wrap{position:fixed;inset:0;z-index:9999;display:none;}
.lcm-wrap.open{display:block;}
.lcm-mask{position:absolute;inset:0;background:rgba(22,23,26,.45);}
.lcm-box{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(440px,calc(100vw - 32px));max-height:calc(100vh - 40px);overflow:auto;background:#fff;border-radius:16px;box-shadow:0 18px 60px rgba(15,23,42,.22);padding:26px 26px 22px;box-sizing:border-box;animation:lcmIn .18s ease;}
@keyframes lcmIn{from{opacity:0;transform:translate(-50%,-48%);}to{opacity:1;transform:translate(-50%,-50%);}}
.lcm-x{position:absolute;top:10px;right:12px;border:none;background:none;font-size:22px;line-height:1;color:#8F9196;cursor:pointer;padding:4px;}
.lcm-x:hover{color:#16171A;}
.lcm-t{margin:0 0 4px;font-size:19px;color:#16171A;}
.lcm-sub{margin:0 0 16px;font-size:12.5px;color:#8F9196;}
.lcm-form{display:block;}
.lcm-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px;margin-bottom:10px;}
.lcm-f{display:block;}
.lcm-f span{display:block;font-size:12.5px;font-weight:600;color:#24262B;margin-bottom:5px;}
.lcm-f span i{color:#D64541;font-style:normal;}
.lcm-f input,.lcm-f textarea{width:100%;box-sizing:border-box;border:1px solid #D9DBDE;border-radius:9px;padding:9px 11px;font-size:13.5px;color:#16171A;background:#FAFAF8;outline:none;font-family:inherit;}
.lcm-f input:focus,.lcm-f textarea:focus{border-color:#7FB539;background:#fff;box-shadow:0 0 0 3px rgba(127,181,57,.14);}
.lcm-f textarea{resize:vertical;min-height:56px;}
.lcm-msg{margin:10px 0 0;padding:9px 12px;border-radius:9px;font-size:13px;}
.lcm-msg.bad{background:#FDECEC;color:#C0392B;}
.lcm-msg.good{background:#EEF6E4;color:#4E7A22;}
.lcm-btns{display:flex;gap:10px;justify-content:flex-end;margin-top:16px;}
.lcm-cancel{border:1px solid #D9DBDE;background:#fff;color:#55575C;border-radius:9px;padding:10px 18px;font-size:13.5px;font-weight:600;cursor:pointer;}
.lcm-cancel:hover{background:#F4F5F6;}
.lcm-send{border:none;background:#7FB539;color:#fff;border-radius:9px;padding:10px 22px;font-size:13.5px;font-weight:700;cursor:pointer;}
.lcm-send:hover{background:#6FA32E;}
.lcm-send:disabled{opacity:.6;cursor:default;}
@media (max-width:520px){
  .lcm-box{padding:20px 16px 16px;}
  .lcm-grid{grid-template-columns:1fr;}
}