/* ============================================================
   瑞景计量 · 智能称重与计量服务
   风格体系：深墨绿 + 琥珀橙 + 米白 —— 工业工程风
   ============================================================ */
:root{
  --ink:#102E26;        /* 深墨绿 主色 */
  --ink-2:#0C241D;      /* 更深墨绿 */
  --ink-3:#1B3D33;      /* 次墨绿 */
  --amber:#E07000;      /* 琥珀橙 强调 */
  --amber-2:#F0872A;    /* 亮橙 */
  --cream:#F6F2E9;      /* 米白 背景 */
  --line:#E2DBCC;       /* 米色线 */
  --char:#191D1B;       /* 炭黑 */
  --gray-5:#6A716C;     /* 正文灰 */
  --white:#FFFFFF;
  --font:'PingFang SC','Microsoft YaHei','Source Han Sans SC',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--char);background:var(--cream);line-height:1.7;font-size:15px}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.wrap-wide{max-width:1320px;margin:0 auto;padding:0 22px}

/* ---------- 警示斜纹条（工业符号） ---------- */
.stripes{height:6px;background:repeating-linear-gradient(-45deg,var(--amber) 0 14px,var(--char) 14px 28px)}

/* ---------- 顶栏 ---------- */
.topbar{background:var(--ink-2);color:#CFDAD4;font-size:12.5px;border-bottom:1px solid rgba(255,255,255,.08)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;gap:12px}
.topbar .tb-left{display:flex;gap:20px;align-items:center}
.topbar .tb-left span{display:inline-flex;align-items:center;gap:6px}
.topbar svg{width:13px;height:13px;stroke:var(--amber)}
.topbar .tb-right{display:flex;gap:16px;align-items:center}
.topbar a:hover{color:var(--amber-2)}

header.site{background:var(--ink);position:sticky;top:0;z-index:99;border-bottom:3px solid var(--amber)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:14px;color:#fff}
.brand-mark{width:46px;height:46px;border:2px solid var(--amber);display:grid;place-items:center;font-weight:900;font-size:20px;color:var(--amber);background:rgba(224,112,0,.08);letter-spacing:1px}
.brand-text b{display:block;font-size:19px;font-weight:800;letter-spacing:3px;line-height:1.25}
.brand-text span{display:block;font-size:10.5px;color:#9FB3AA;letter-spacing:2.5px;text-transform:uppercase}
nav.main{display:flex;gap:4px}
nav.main a{color:#E7ECE8;font-size:14.5px;font-weight:500;padding:9px 16px;letter-spacing:1px;position:relative;transition:.2s}
nav.main a:hover{color:var(--amber-2)}
nav.main a.active{color:var(--amber-2)}
nav.main a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:2px;height:3px;background:var(--amber)}
.nav-tel{display:flex;align-items:center;gap:10px;color:#fff;font-size:13px}
.nav-tel b{font-size:17px;letter-spacing:1px;color:var(--amber-2)}
.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;font-size:20px;width:42px;height:42px;cursor:pointer}
@media(max-width:980px){
  nav.main{display:none}
  nav.main.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:var(--ink);border-top:1px solid rgba(255,255,255,.1);padding:10px 0 16px}
  nav.main.open a{padding:13px 24px}
  .nav-toggle{display:block}
  .nav-tel{display:none}
}

/* ---------- Hero ---------- */
.hero{background:var(--ink);position:relative;overflow:hidden;color:#fff}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px}
.hero::after{content:"";position:absolute;right:-140px;top:-140px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(224,112,0,.28),transparent 65%)}
.hero-inner{position:relative;z-index:2;padding:96px 0 86px;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:10px;background:rgba(224,112,0,.14);border:1px solid rgba(224,112,0,.55);color:var(--amber-2);font-size:12.5px;letter-spacing:3px;padding:7px 16px;margin-bottom:26px}
.hero-tag::before{content:"";width:8px;height:8px;background:var(--amber);transform:rotate(45deg)}
.hero h1{font-size:47px;line-height:1.18;font-weight:900;letter-spacing:1px}
.hero h1 em{font-style:normal;color:var(--amber-2)}
.hero .sub{margin-top:22px;font-size:16px;color:#B9C8C1;line-height:2;max-width:560px}
.hero .cta-row{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 30px;font-size:15px;font-weight:700;letter-spacing:1px;transition:.2s;border:2px solid transparent;cursor:pointer}
.btn svg{width:16px;height:16px;stroke:currentColor}
.btn-solid{background:var(--amber);color:#fff}
.btn-solid:hover{background:var(--amber-2);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber-2);transform:translateY(-2px)}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);position:relative;z-index:2}
.hstat{background:rgba(12,36,29,.82);padding:24px 20px;text-align:center}
.hstat b{display:block;font-size:30px;font-weight:900;color:var(--amber-2);letter-spacing:1px}
.hstat b i{font-style:normal;font-size:16px}
.hstat span{display:block;font-size:12px;color:#9FB3AA;letter-spacing:2px;margin-top:6px}
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;padding:64px 0 56px;gap:40px}
  .hero h1{font-size:34px}
}

/* ---------- 区块通用 ---------- */
.section{padding:84px 0}
.section.cream{background:var(--cream)}
.section.light{background:#FCFAF4}
.section.ink{background:var(--ink-2);color:#fff}
.sec-head{margin-bottom:46px}
.sec-kicker{display:flex;align-items:center;gap:12px;color:var(--amber);font-size:12.5px;font-weight:700;letter-spacing:4px;margin-bottom:14px}
.sec-kicker::before{content:"";width:34px;height:3px;background:var(--amber)}
.sec-head h2{font-size:34px;font-weight:900;letter-spacing:2px;color:var(--char)}
.section.ink .sec-head h2{color:#fff}
.sec-head h2 em{font-style:normal;color:var(--amber)}
.sec-head .desc{margin-top:14px;font-size:14.5px;color:var(--gray-5);max-width:680px}
.section.ink .sec-head .desc{color:#A9BBB3}

/* ---------- 业务卡 ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.biz-card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--amber);padding:30px 26px;transition:.25s;position:relative}
.biz-card::after{content:"";position:absolute;right:0;bottom:0;width:0;height:3px;background:var(--ink);transition:.3s}
.biz-card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(16,46,38,.14)}
.biz-card:hover::after{width:100%}
.biz-num{font-size:13px;font-weight:900;color:#C9C1AE;letter-spacing:2px}
.biz-ic{width:54px;height:54px;border:2px solid var(--ink);display:grid;place-items:center;margin:16px 0 18px;background:var(--cream)}
.biz-ic svg{width:26px;height:26px;stroke:var(--ink)}
.biz-card h3{font-size:17px;font-weight:800;color:var(--char);letter-spacing:1px;margin-bottom:10px}
.biz-card p{font-size:13px;color:var(--gray-5);line-height:1.9}
@media(max-width:980px){.biz-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.biz-grid{grid-template-columns:1fr}}

/* ---------- 解决方案列表 ---------- */
.sol-list{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.sol-item{background:#fff;border:1px solid var(--line);padding:30px 28px;display:flex;gap:20px;transition:.25s;position:relative;overflow:hidden}
.sol-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--amber);transform:scaleY(0);transition:.25s;transform-origin:top}
.sol-item:hover{box-shadow:0 14px 32px rgba(16,46,38,.12);transform:translateY(-4px)}
.sol-item:hover::before{transform:scaleY(1)}
.sol-idx{font-size:34px;font-weight:900;color:#E4DECD;line-height:1;font-family:Georgia,serif}
.sol-item h3{font-size:17px;font-weight:800;margin-bottom:8px;letter-spacing:1px}
.sol-item p{font-size:13px;color:var(--gray-5);line-height:1.9}
.sol-item .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.sol-item .tags span{font-size:11.5px;border:1px solid var(--line);color:var(--ink);padding:3px 10px;background:var(--cream)}
@media(max-width:900px){.sol-list{grid-template-columns:1fr}}

/* ---------- 产品速览 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.prod-cell{background:#fff;border:1px solid var(--line);padding:22px 12px;text-align:center;transition:.2s}
.prod-cell:hover{border-color:var(--amber);transform:translateY(-4px);box-shadow:0 10px 24px rgba(16,46,38,.1)}
.prod-cell .pc-ic{width:44px;height:44px;margin:0 auto 12px;border-radius:50%;background:var(--cream);border:1px solid var(--line);display:grid;place-items:center}
.prod-cell .pc-ic svg{width:22px;height:22px;stroke:var(--ink)}
.prod-cell b{display:block;font-size:13.5px;font-weight:700;color:var(--char)}
.prod-cell span{display:block;font-size:11px;color:#A9A290;margin-top:4px}
@media(max-width:980px){.prod-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.prod-grid{grid-template-columns:repeat(2,1fr)}}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;background:#fff;border:1px solid var(--line);border-top:4px solid var(--amber)}
.flow-step{padding:30px 20px;position:relative;border-right:1px dashed var(--line)}
.flow-step:last-child{border-right:none}
.flow-step .fs-n{width:44px;height:44px;background:var(--ink);color:var(--amber-2);font-size:18px;font-weight:900;display:grid;place-items:center;margin-bottom:16px}
.flow-step h3{font-size:15px;font-weight:800;letter-spacing:1px;margin-bottom:8px}
.flow-step p{font-size:12.5px;color:var(--gray-5);line-height:1.8}
@media(max-width:900px){.flow{grid-template-columns:1fr 1fr}.flow-step{border-bottom:1px dashed var(--line);border-right:none}}
@media(max-width:560px){.flow{grid-template-columns:1fr}}

/* ---------- 区域 ---------- */
.region-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.region-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);padding:26px 24px;margin-bottom:16px}
.region-card h3{color:var(--amber-2);font-size:15px;font-weight:800;letter-spacing:2px;margin-bottom:8px}
.region-card p{color:#A9BBB3;font-size:13px;line-height:1.9}
.region-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.region-chips span{background:rgba(224,112,0,.14);border:1px solid rgba(224,112,0,.5);color:var(--amber-2);font-size:14px;font-weight:700;padding:10px 24px;letter-spacing:2px}
.region-chips b{font-weight:400;font-size:11px;color:#9FB3AA;display:block;text-align:center;letter-spacing:1px}
@media(max-width:900px){.region-wrap{grid-template-columns:1fr}}

/* ---------- CTA ---------- */
.cta-band{background:var(--char);position:relative;overflow:hidden;color:#fff;padding:66px 0}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px}
.cta-inner{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta-inner h2{font-size:30px;font-weight:900;letter-spacing:2px}
.cta-inner h2 em{font-style:normal;color:var(--amber-2)}
.cta-inner p{color:#B9C8C1;margin-top:10px;font-size:14px}

/* ---------- 页脚 ---------- */
footer.site{background:#101412;color:#9FB3AA;padding:64px 0 0;font-size:13px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand b{display:block;color:#fff;font-size:20px;font-weight:800;letter-spacing:3px;margin-bottom:6px}
.foot-brand .mark{width:46px;height:46px;border:2px solid var(--amber);display:grid;place-items:center;font-weight:900;font-size:20px;color:var(--amber);margin-bottom:16px}
.foot-brand p{line-height:2}
.foot-col h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:2px;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.foot-col h4::before{content:"";width:6px;height:6px;background:var(--amber);transform:rotate(45deg)}
.foot-col li{margin-bottom:10px}
.foot-col li a:hover{color:var(--amber-2)}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.9}
.foot-contact svg{width:15px;height:15px;stroke:var(--amber);flex:none;margin-top:4px}
.copyright{background:#0B0E0C;color:#6E7A74;padding:18px 0;font-size:12px;text-align:center}
.copyright a{color:#8A9A92}
.copyright a:hover{color:var(--amber-2)}
@media(max-width:980px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}

/* ---------- 子页 hero ---------- */
.page-hero{background:var(--ink);position:relative;overflow:hidden;color:#fff;padding:64px 0 56px}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px}
.page-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#9FB3AA;margin-bottom:22px;letter-spacing:1px}
.crumb a:hover{color:var(--amber-2)}
.crumb svg{width:12px;height:12px;stroke:#5E7268}
.page-hero h1{font-size:38px;font-weight:900;letter-spacing:2px}
.page-hero h1 em{font-style:normal;color:var(--amber-2)}
.page-hero p{margin-top:14px;color:#B9C8C1;font-size:15px;max-width:720px;line-height:2}
.page-eyebrow{display:inline-block;font-size:12px;letter-spacing:4px;color:var(--amber);margin-bottom:14px;font-weight:700}

/* ---------- 子页内容通用 ---------- */
.detail-block{background:#fff;border:1px solid var(--line);padding:34px 34px;margin-bottom:26px}
.detail-block h3{font-size:19px;font-weight:800;letter-spacing:1px;display:flex;align-items:center;gap:12px;margin-bottom:18px}
.detail-block h3 .db-n{width:30px;height:30px;background:var(--ink);color:var(--amber-2);display:grid;place-items:center;font-size:14px;font-weight:900}
.detail-block p{font-size:14px;color:var(--gray-5);line-height:2;text-indent:2em}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.feat-cell{background:var(--cream);border-left:3px solid var(--amber);padding:18px 18px}
.feat-cell b{display:block;font-size:14.5px;font-weight:800;color:var(--char);margin-bottom:6px}
.feat-cell span{font-size:12.5px;color:var(--gray-5);line-height:1.9;display:block}
@media(max-width:760px){.feat-grid{grid-template-columns:1fr}}

/* ---------- 产品大表 ---------- */
.pcat{margin-bottom:26px}
.pcat-head{background:var(--ink);color:#fff;display:flex;align-items:center;gap:14px;padding:14px 22px;border-left:6px solid var(--amber)}
.pcat-head h3{font-size:17px;font-weight:800;letter-spacing:1px}
.pcat-head span{margin-left:auto;font-size:12px;color:#9FB3AA;letter-spacing:1px}
.pcat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px}
.pitem{background:#fff;border:1px solid var(--line);padding:20px 18px;transition:.2s;position:relative}
.pitem:hover{border-color:var(--amber);transform:translateY(-3px);box-shadow:0 10px 22px rgba(16,46,38,.1)}
.pitem b{display:block;font-size:14.5px;font-weight:800;letter-spacing:1px}
.pitem span{display:block;font-size:12px;color:var(--gray-5);line-height:1.8;margin-top:8px}
@media(max-width:980px){.pcat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.pcat-grid{grid-template-columns:1fr}}

/* ---------- 表格 ---------- */
.spec-table{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:18px;background:#fff}
.spec-table th{background:var(--ink);color:#fff;padding:12px 14px;text-align:left;font-weight:700;letter-spacing:1px;border:1px solid var(--ink)}
.spec-table td{padding:11px 14px;border:1px solid var(--line);color:var(--gray-5)}
.spec-table tr:nth-child(even) td{background:var(--cream)}

/* ---------- 关于页 ---------- */
.about-top{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.about-top h2{font-size:28px;font-weight:900;letter-spacing:1px;line-height:1.5}
.about-top h2 em{font-style:normal;color:var(--amber)}
.about-top p{font-size:14.5px;color:var(--gray-5);line-height:2;margin-top:16px;text-align:justify}
.license-card{background:var(--ink);color:#fff;border:1px solid rgba(255,255,255,.14);padding:34px 30px;position:relative}
.license-card::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:repeating-linear-gradient(-45deg,var(--amber) 0 12px,var(--char) 12px 24px)}
.license-card h3{font-size:16px;font-weight:800;letter-spacing:2px;margin-bottom:22px;color:var(--amber-2)}
.lic-row{display:flex;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.14);font-size:13.5px}
.lic-row b{color:#9FB3AA;font-weight:600;flex:none;width:88px}
.lic-row span{color:#E7ECE8;line-height:1.8}
@media(max-width:900px){.about-top{grid-template-columns:1fr}}

/* ============================================================
   配图体系（场景图 / 系统图）
   统一：图上卡下、直角、琥珀橙顶条、hover 放大、调色后暖色调
   ============================================================ */
.pic{position:relative;overflow:hidden;background:var(--ink-2)}
.pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.pic::after{content:"";position:absolute;left:0;bottom:0;height:5px;width:100%;background:repeating-linear-gradient(-45deg,var(--amber) 0 14px,var(--char) 14px 28px);opacity:.92}
.card-hover:hover .pic img{transform:scale(1.06)}

/* Hero 背景场景图 */
.hero{background-image:linear-gradient(105deg,rgba(12,36,29,.96) 0%,rgba(16,46,38,.86) 45%,rgba(16,46,38,.62) 100%),url("../img/hero-bg.jpg");background-size:cover;background-position:center}

/* 解决方案卡（带图版） */
.sol-card{background:#fff;border:1px solid var(--line);transition:.25s;overflow:hidden;display:flex;flex-direction:column}
.sol-card:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(16,46,38,.14)}
.sol-card .pic{height:210px}
.sol-card .sc-body{padding:24px 24px 26px;display:flex;gap:16px}
.sol-card .sol-idx{font-size:30px;font-weight:900;color:#E4DECD;line-height:1;font-family:Georgia,serif;flex:none}
.sol-card h3{font-size:16.5px;font-weight:800;letter-spacing:1px;margin-bottom:8px}
.sol-card h3 a{color:var(--char)}
.sol-card h3 a:hover{color:var(--amber)}
.sol-card p{font-size:12.8px;color:var(--gray-5);line-height:1.85}
.sol-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.sol-card .tags span{font-size:11px;border:1px solid var(--line);color:var(--ink);padding:2px 9px;background:var(--cream)}
.sol-card .sc-more{margin-top:14px;font-size:12.5px;font-weight:700;color:var(--amber);display:inline-flex;align-items:center;gap:6px}
.sol-card .sc-more svg{width:13px;height:13px;stroke:currentColor}

/* 产品速览（带图版） */
.prod-cell.pic-cell{padding:0;overflow:hidden;text-align:left}
.prod-cell.pic-cell .pic{height:128px}
.prod-cell.pic-cell .pc-txt{padding:14px 12px 16px}
.prod-cell.pic-cell .pc-txt b{font-size:13px}
.prod-cell.pic-cell .pc-txt span{font-size:11px}

/* 产品页产品线卡（带图版） */
.pcat-card{background:#fff;border:1px solid var(--line);overflow:hidden;transition:.25s}
.pcat-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(16,46,38,.12)}
.pcat-card .pic{height:200px}
.pcat-card .pc-body{padding:20px 22px}
.pcat-card .pc-body b{display:block;font-size:16px;font-weight:800;letter-spacing:1px}
.pcat-card .pc-body span{display:block;font-size:12.5px;color:var(--gray-5);line-height:1.85;margin-top:8px}
.pcat-card .pc-body .pc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.pcat-card .pc-body .pc-tags i{font-style:normal;font-size:11px;border:1px solid var(--line);color:var(--ink);padding:2px 9px;background:var(--cream)}

/* 解决方案详情页配图 */
.db-media{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
.db-media.reverse .db-media-txt{order:2}
.db-media .pic{height:300px}
.db-media .pic img{height:100%}
@media(max-width:860px){.db-media{grid-template-columns:1fr}.db-media .pic{height:230px}.db-media.reverse .db-media-txt{order:0}}

/* 关于页现场图 */
.site-shots{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:36px}
.site-shot{position:relative;overflow:hidden;border:1px solid var(--line)}
.site-shot .pic{height:230px}
.site-shot figcaption{background:var(--ink);color:#fff;padding:14px 18px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.site-shot figcaption b{font-size:13.5px;letter-spacing:1px;color:var(--amber-2)}
.site-shot figcaption span{font-size:11.5px;color:#9FB3AA}
@media(max-width:760px){.site-shots{grid-template-columns:1fr}}

/* 系统架构图（自绘） */
.arch{background:var(--ink-2);border:1px solid rgba(255,255,255,.12);padding:40px 34px;position:relative;overflow:hidden}
.arch::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:44px 44px}
.arch .wrap-a{position:relative;z-index:2}
.arch-title{color:var(--amber-2);font-size:20px;font-weight:900;letter-spacing:2px;margin-bottom:6px}
.arch-sub{color:#9FB3AA;font-size:13px;margin-bottom:30px}
.arch-layer{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:14px}
.arch-node{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.16);border-top:3px solid var(--amber);padding:18px 16px;transition:.2s}
.arch-node:hover{background:rgba(224,112,0,.12);border-color:var(--amber)}
.arch-node b{display:block;color:#fff;font-size:14.5px;letter-spacing:1px;margin-bottom:7px}
.arch-node b i{font-style:normal;color:var(--amber);margin-right:7px}
.arch-node span{font-size:11.5px;color:#9FB3AA;line-height:1.8;display:block}
.arch-connect{display:flex;align-items:center;gap:0;color:var(--amber);font-weight:700;font-size:12px;letter-spacing:2px;margin:2px 0 2px}
.arch-connect::before{content:"";flex:1;height:2px;background:repeating-linear-gradient(90deg,var(--amber) 0 8px,transparent 8px 14px)}
.arch-connect::after{content:"";flex:1;height:2px;background:repeating-linear-gradient(90deg,var(--amber) 0 8px,transparent 8px 14px)}
.arch-connect span{background:var(--ink-2);padding:2px 12px;border:1px solid rgba(224,112,0,.5)}
@media(max-width:900px){.arch-layer{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.arch-layer{grid-template-columns:1fr}}

/* ============================================================
   案例 / 资讯 列表页 + 内容页
   ============================================================ */
.list-layout{display:grid;grid-template-columns:1fr 300px;gap:34px;align-items:start}
.list-main{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.list-card{background:#fff;border:1px solid var(--line);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.list-card:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(16,46,38,.13)}
.list-card .pic{height:200px}
.list-card .lc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.lc-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.lc-tag{background:var(--ink);color:var(--amber-2);font-size:11px;letter-spacing:1px;padding:2px 10px}
.lc-date{font-size:11.5px;color:#A9A290}
.list-card h3{font-size:16px;font-weight:800;line-height:1.5;letter-spacing:.5px}
.list-card h3 a{color:var(--char)}
.list-card h3 a:hover{color:var(--amber)}
.list-card p{font-size:12.8px;color:var(--gray-5);line-height:1.85;margin-top:10px}
.list-card .lc-more{margin-top:auto;padding-top:14px;font-size:12.5px;font-weight:700;color:var(--amber);display:inline-flex;align-items:center;gap:6px}
.list-card .lc-more svg{width:13px;height:13px;stroke:currentColor}

/* 侧栏 */
.side{background:#fff;border:1px solid var(--line)}
.side-h{background:var(--ink);color:#fff;font-size:14.5px;font-weight:800;letter-spacing:2px;padding:13px 20px;display:flex;align-items:center;gap:10px;border-left:6px solid var(--amber)}
.side-h::before{content:"";width:6px;height:6px;background:var(--amber);transform:rotate(45deg)}
.side-list{padding:8px 20px 14px}
.side-list li{padding:13px 0;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:none}
.side-list a{font-size:13.5px;color:var(--char);line-height:1.6;display:block}
.side-list a:hover{color:var(--amber)}
.side-list span{display:block;font-size:11px;color:#A9A290;margin-top:4px}
.side-contact{background:var(--ink-2);color:#fff;padding:26px 24px;margin-top:22px;position:relative;overflow:hidden}
.side-contact::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:repeating-linear-gradient(-45deg,var(--amber) 0 12px,var(--char) 12px 24px)}
.side-contact b{color:var(--amber-2);font-size:15px;letter-spacing:1px}
.side-contact p{font-size:12.5px;color:#A9BBB3;line-height:1.9;margin:10px 0 16px}
.side-contact .btn{padding:10px 18px;font-size:13px;width:100%;justify-content:center}
@media(max-width:980px){
  .list-layout{grid-template-columns:1fr}
  .list-main{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){.list-main{grid-template-columns:1fr}}

/* 分页 */
.pager{display:flex;justify-content:center;gap:8px;margin-top:36px}
.pager a,.pager span{display:grid;place-items:center;min-width:38px;height:38px;padding:0 12px;border:1px solid var(--line);background:#fff;font-size:13px;color:var(--char)}
.pager a:hover{border-color:var(--amber);color:var(--amber)}
.pager .cur{background:var(--amber);border-color:var(--amber);color:#fff;font-weight:800}

/* 内容页 */
.article-box{background:#fff;border:1px solid var(--line);padding:44px 48px}
.article-box h1{font-size:28px;font-weight:900;letter-spacing:1px;line-height:1.45}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;align-items:center;margin:18px 0 26px;padding:14px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);font-size:12.5px;color:#8B938D}
.article-meta b{color:var(--amber);font-weight:700}
.article-body{font-size:15px;color:#3C443F;line-height:2.05;text-align:justify}
.article-body p{margin-bottom:16px;text-indent:2em}
.article-body h4{font-size:17px;font-weight:800;color:var(--char);margin:26px 0 12px;padding-left:12px;border-left:4px solid var(--amber)}
.article-body img{width:100%;height:auto;margin:18px 0;border:1px solid var(--line)}
.article-body figcaption{font-size:12px;color:#A9A290;text-align:center;margin:-10px 0 18px}
.article-pager{display:flex;justify-content:space-between;gap:16px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);font-size:13.5px}
.article-pager a{color:var(--char)}
.article-pager a:hover{color:var(--amber)}
.article-pager .ap-r{text-align:right}
.article-pager small{display:block;color:#A9A290;font-size:11.5px;margin-bottom:4px}
@media(max-width:760px){.article-box{padding:28px 22px}.article-box h1{font-size:22px}}
/* （注：内容由AI生成） */