@charset "utf-8";
:root{
  /* ===================== 换肤区（换行业改这几项即可） ===================== */
  --gold-rgb:176,141,87;       /* 主点缀：黑金 */
  --graphite-rgb:26,28,32;     /* 侧栏/页脚 石墨黑 */
  /* ===================================================================== */
  --gold:rgb(var(--gold-rgb));
  --gold-d:#8c6e42;
  --gold-l:#c4a978;
  --graphite:rgb(var(--graphite-rgb));
  --ink:#1e2024;               /* 标题近黑 */
  --text:#4a4d54;              /* 正文石墨灰 */
  --muted:#8b8f97;             /* 次要 */
  --line:#e4e2dc;              /* 细线（暖灰） */
  --line-d:#d2cfc6;
  --paper:#fbfaf7;             /* 象牙白纸面 */
  --bg:#f4f2ec;               /* 页面底（米灰） */
  --white:#fff;
  --sidew:280px;               /* 左侧栏宽度 */
  --maxw:1180px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  --ease:cubic-bezier(.4,0,.2,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font:15px/1.9 var(--sans);color:var(--text);background:var(--bg);overflow-x:hidden}
ul,ol,li{list-style:none}
a{color:inherit;text-decoration:none;transition:color .3s var(--ease)}
img{display:block;max-width:100%;border:0}
svg{display:block}
h1,h2,h3,h4,h5,h6{font-family:var(--serif);font-weight:600;color:var(--ink);line-height:1.35}
input,textarea,select,button{font-family:inherit;font-size:inherit;outline:none;border:none;background:none;color:inherit}
button{cursor:pointer}
table{border-collapse:collapse}
::selection{background:var(--gold);color:#fff}

.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.visually-hidden:focus{position:fixed;top:10px;left:10px;width:auto;height:auto;padding:10px 16px;clip:auto;background:var(--graphite);color:#fff;z-index:99999}

/* ============ 整体布局：左固定侧栏 + 右内容流 ============ */
.layout{min-height:100vh}
.ct{width:88%;max-width:var(--maxw);margin:0 auto}

/* ============ 左固定侧边栏 ============ */
.side{position:fixed;top:0;left:0;width:var(--sidew);height:100vh;background:var(--graphite);color:#cfd0d3;display:flex;flex-direction:column;z-index:100;border-right:1px solid rgba(255,255,255,.06)}
.side-logo{padding:40px 36px 30px}
.side-logo img{max-height:54px;width:auto;filter:brightness(0) invert(1)}
.side-nav{flex:1;overflow-y:auto;padding:10px 0;scrollbar-width:none;-ms-overflow-style:none}
.side-nav::-webkit-scrollbar{width:0;height:0;display:none}
.side-nav>ul>li>a{display:flex;align-items:center;justify-content:space-between;padding:15px 36px;font-family:var(--serif);font-size:16px;color:#cfd0d3;letter-spacing:.5px;border-left:2px solid transparent;transition:.3s var(--ease)}
.side-nav>ul>li>a:hover,.side-nav>ul>li.active>a{color:var(--gold-l);border-left-color:var(--gold);background:rgba(255,255,255,.03)}
.side-nav .sub{display:none;padding:4px 0 10px;background:rgba(0,0,0,.18)}
.side-nav li.has-sub.open .sub{display:block}
.side-nav .sub li a{display:block;padding:9px 36px 9px 50px;font-size:13.5px;color:#9a9da3}
.side-nav .sub li a:hover{color:var(--gold-l)}
.side-nav .caret{width:14px;height:14px;transition:transform .3s}
.side-nav li.has-sub.open .caret{transform:rotate(180deg)}
.side-foot{padding:24px 36px 34px;border-top:1px solid rgba(255,255,255,.07)}
.side-foot .s-tel{font-family:var(--serif);font-size:20px;color:#fff;letter-spacing:.5px}
.side-foot .s-tel-label{font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--gold);margin-bottom:6px}
.side-foot .s-soc{display:flex;gap:14px;margin-top:18px}
.side-foot .s-soc a{width:34px;height:34px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.14);color:#cfd0d3;transition:.3s}
.side-foot .s-soc a:hover{border-color:var(--gold);color:var(--gold-l)}
.side-foot .s-soc svg{width:16px;height:16px}

/* 移动端侧栏顶部条 + 抽屉 */
.mtop{display:none;position:fixed;top:0;left:0;right:0;height:62px;background:var(--graphite);z-index:120;align-items:center;justify-content:space-between;padding:0 18px}
.mtop .m-logo img{max-height:36px;filter:brightness(0) invert(1)}
.m-toggle{width:42px;height:42px;display:grid;place-items:center;color:#fff}
.m-toggle svg{width:24px;height:24px}
.side-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:99}

/* ============ 主内容容器 ============ */
.main{margin-left:var(--sidew);min-height:100vh;background:var(--bg)}

/* ============ 通用按钮（方正/描边/无圆角，商务感） ============ */
.btn{display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 30px;font:500 14px/1 var(--sans);letter-spacing:1px}
.btn svg{width:17px;height:17px}
.btn-gold{background:var(--gold);color:#fff;transition:background .3s}
.btn-gold:hover{background:var(--gold-d)}
.btn-line{border:1px solid var(--ink);color:var(--ink);transition:.3s}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-l)}

/* ============ 区块标题（左对齐 + 金色短线 + 衬线） ============ */
.shd{margin-bottom:46px}
.shd .en{display:block;font:500 12px/1 var(--sans);letter-spacing:5px;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.shd h2{font-size:38px;letter-spacing:1px;position:relative;padding-bottom:22px}
.shd h2::after{content:"";position:absolute;left:0;bottom:0;width:52px;height:2px;background:var(--gold)}
.shd.ctr{text-align:center}
.shd.ctr h2::after{left:50%;transform:translateX(-50%)}
.shd .sub{margin-top:24px;color:var(--muted);font-size:15px;max-width:640px}

.sec{padding:100px 0}
.sec-pad{padding:100px 7%}

/* ============ 首页 Hero（广告位多图轮播，淡入淡出） ============ */
.hero{position:relative;height:88vh;min-height:600px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s var(--ease);z-index:1}
.hero-slide.active{opacity:1;z-index:2}
.hero-slide:only-child{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover}
.hero::before{content:"";position:absolute;inset:0;z-index:3;pointer-events:none;background:linear-gradient(90deg,rgba(20,22,26,.82),rgba(20,22,26,.45) 60%,rgba(20,22,26,.2))}
.hero-in{position:relative;z-index:4;color:#fff;max-width:720px}
.hero-dots{position:absolute;left:0;right:0;bottom:34px;z-index:5;display:flex;justify-content:center;gap:12px}
.hero-dots:empty{display:none}
.hero-dots button{width:34px;height:3px;padding:0;border:0;background:rgba(255,255,255,.35);cursor:pointer;transition:background .3s var(--ease),width .3s var(--ease)}
.hero-dots button.active{background:var(--gold-l);width:50px}
.hero-tag{display:inline-block;font:500 12px/1 var(--sans);letter-spacing:6px;text-transform:uppercase;color:var(--gold-l);margin-bottom:28px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.25)}
.hero h1{font-size:60px;line-height:1.2;color:#fff;font-weight:600;letter-spacing:1px}
.hero h1 b{color:var(--gold-l);font-weight:600}
.hero p{margin:30px 0 40px;font-size:17px;color:rgba(255,255,255,.82);max-width:560px}
.hero-acts{display:flex;gap:18px;flex-wrap:wrap}

/* ============ 数据条 ============ */
.facts{background:var(--graphite);color:#fff}
.facts ul{display:grid;grid-template-columns:repeat(4,1fr)}
.facts li{padding:54px 30px;text-align:center;border-right:1px solid rgba(255,255,255,.08)}
.facts li:last-child{border-right:0}
.facts .n{font-family:var(--serif);font-size:48px;color:var(--gold-l);font-weight:600}
.facts .n i{font-style:normal;font-size:24px;margin-left:2px}
.facts p{margin-top:10px;font-size:13px;letter-spacing:2px;color:#9a9da3}

/* ============ 关于（左文右图，衬线引文） ============ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.about-con .about-text{font-size:15.5px;line-height:2;color:var(--text);margin:26px 0 34px}
.about-quote{font-family:var(--serif);font-size:22px;line-height:1.7;color:var(--ink);padding-left:24px;border-left:3px solid var(--gold);margin-bottom:34px}
.about-pic{position:relative}
.about-pic img{width:100%;aspect-ratio:4/5;object-fit:cover}
.about-pic .frame{position:absolute;inset:18px -18px -18px 18px;border:1px solid var(--gold);z-index:-1}

/* ============ 业务领域（编号衬线列表卡） ============ */
.field-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.field-card{padding:48px 40px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper);transition:.4s var(--ease);position:relative}
.field-card:hover{background:var(--graphite);color:#cfd0d3}
.field-card .no{font-family:var(--serif);font-size:15px;color:var(--gold);letter-spacing:1px;margin-bottom:22px}
.field-card .fi{width:46px;height:46px;color:var(--gold);margin-bottom:22px}
.field-card .fi svg{width:46px;height:46px;stroke-width:1.2}
.field-card h3{font-size:21px;margin-bottom:14px;transition:color .4s}
.field-card:hover h3{color:#fff}
.field-card p{font-size:14px;line-height:1.85;color:var(--muted)}
.field-card .go{display:inline-block;margin-top:22px;font:500 12px/1 var(--sans);letter-spacing:2px;color:var(--gold);text-transform:uppercase}

/* ============ 团队/律师（肖像列表） ============ */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.team-card .pic{aspect-ratio:3/4;overflow:hidden;background:var(--line);margin-bottom:20px;position:relative}
.team-card .pic img{width:100%;height:100%;object-fit:cover;filter:grayscale(.4);transition:filter .5s}
.team-card:hover .pic img{filter:grayscale(0)}
.team-card h3{font-size:19px;margin-bottom:4px}
.team-card .role{font-size:13px;letter-spacing:1px;color:var(--gold)}

/* ============ 通用卡片网格（案例/资讯/产品复用） ============ */
.col-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.col-2{grid-template-columns:repeat(2,1fr)}
.col-4{grid-template-columns:repeat(4,1fr)}

.card{display:block;background:var(--paper);border:1px solid var(--line);transition:.4s var(--ease)}
.card:hover{border-color:var(--gold);box-shadow:0 22px 50px -30px rgba(0,0,0,.4)}
.card .pic{aspect-ratio:16/10;overflow:hidden;background:var(--line)}
.card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.card:hover .pic img{transform:scale(1.05)}
.card .body{padding:26px 28px}
.card time{font:500 12px/1 var(--sans);letter-spacing:1px;color:var(--gold)}
.card h3{font-size:19px;margin:14px 0 10px;line-height:1.45;transition:color .3s}
.card:hover h3{color:var(--gold-d)}
.card p{font-size:14px;color:var(--muted);line-height:1.8}

/* ============ 资讯（横向文章列表，编号制） ============ */
.news-rows{border-top:1px solid var(--line)}
.news-row{display:grid;grid-template-columns:120px 1fr auto;gap:36px;align-items:center;padding:32px 8px;border-bottom:1px solid var(--line);transition:.3s}
.news-row:hover{background:var(--paper);padding-left:24px;padding-right:24px}
.news-row .nd{font-family:var(--serif);text-align:center}
.news-row .nd b{display:block;font-size:34px;color:var(--ink);font-weight:600}
.news-row .nd span{font-size:12px;letter-spacing:1px;color:var(--muted)}
.news-row .nc h3{font-size:20px;margin-bottom:8px;transition:color .3s}
.news-row:hover .nc h3{color:var(--gold-d)}
.news-row .nc p{font-size:14px;color:var(--muted)}
.news-row .na{color:var(--gold)}
.news-row .na svg{width:22px;height:22px}

/* ============ 横向子栏目筛选条 ============ */
.subbar{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--line);margin-bottom:44px;background:var(--paper)}
.subbar a{padding:16px 30px;font-size:14.5px;color:var(--text);border-right:1px solid var(--line);transition:.3s;font-family:var(--serif)}
.subbar a:last-child{border-right:0}
.subbar a:hover,.subbar a.on,.subbar a.active{background:var(--graphite);color:var(--gold-l)}

/* ============ 产品卡 ============ */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.prod-item{display:block;background:var(--paper);border:1px solid var(--line);transition:.4s var(--ease)}
.prod-item:hover{border-color:var(--gold);box-shadow:0 22px 50px -30px rgba(0,0,0,.4)}
.prod-item .pic{aspect-ratio:4/3;overflow:hidden;background:var(--white)}
.prod-item .pic img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.prod-item:hover .pic img{transform:scale(1.05)}
.prod-item .body{padding:24px 26px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.prod-item h3{font-size:18px;font-weight:500;transition:color .3s}
.prod-item:hover h3{color:var(--gold-d)}
.prod-item .pgo{color:var(--gold)}
.prod-item .pgo svg{width:20px;height:20px}
@media (max-width:1200px){.prod-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.prod-grid{grid-template-columns:1fr}.subbar a{padding:13px 18px;font-size:13px}}

/* ============ 荣誉资质：证书墙 ============ */
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.honor-item{display:block;background:var(--paper);border:1px solid var(--line);padding:18px;transition:.4s var(--ease)}
.honor-item:hover{border-color:var(--gold);box-shadow:0 22px 50px -30px rgba(0,0,0,.4)}
.honor-item .hp{aspect-ratio:3/4;display:grid;place-items:center;background:var(--white);overflow:hidden}
.honor-item .hp img{max-width:100%;max-height:100%;object-fit:contain;transition:transform .6s}
.honor-item:hover .hp img{transform:scale(1.04)}
.honor-item h3{font-size:15px;font-weight:500;text-align:center;margin-top:16px;color:var(--ink);transition:color .3s}
.honor-item:hover h3{color:var(--gold-d)}
@media (max-width:1200px){.honor-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.honor-grid{grid-template-columns:repeat(2,1fr);gap:14px}}

/* ============ 关于页·板块上下间距（sec-pad 仅设左右，这里补垂直） ============ */
.milestone,.partner{padding-top:90px;padding-bottom:90px}
.honor{padding-top:90px;padding-bottom:90px}
@media (max-width:640px){.milestone,.partner,.honor{padding-top:56px;padding-bottom:56px}}

/* ============ 关于页·发展历程（竖向时间轴） ============ */
.ms-line{position:relative;max-width:760px;margin:0 auto;padding-left:0}
.ms-line::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--gold),var(--line))}
.ms-item{position:relative;padding:0 0 42px 44px}
.ms-item:last-child{padding-bottom:0}
.ms-dot{position:absolute;left:0;top:4px;width:16px;height:16px;border-radius:50%;background:var(--paper);border:2px solid var(--gold);box-shadow:0 0 0 4px rgba(var(--gold-rgb),.12)}
.ms-year{display:block;font-family:var(--serif);font-size:26px;font-weight:600;color:var(--gold-d);line-height:1.1}
.ms-item h3{font-size:18px;margin:8px 0 8px;color:var(--ink)}
.ms-item p{font-size:14.5px;color:var(--muted);line-height:1.9}

/* ============ 关于页·合作伙伴（图片 logo 墙） ============ */
.partner-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.partner-item{background:var(--white);border:1px solid var(--line);transition:.4s var(--ease)}
.partner-item:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:0 18px 40px -26px rgba(0,0,0,.4)}
.partner-item>a{display:block}
.partner-item .pp{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;padding:18px 16px;overflow:hidden}
.partner-item .pp img{max-width:100%;max-height:100%;object-fit:contain;filter:grayscale(1);opacity:.78;transition:.4s var(--ease)}
.partner-item:hover .pp img{filter:grayscale(0);opacity:1}
.partner-item .pt{font-family:var(--serif);font-size:15px;color:var(--text);letter-spacing:1px;text-align:center;transition:color .3s}
.partner-item:hover .pt{color:var(--gold-d)}
@media (max-width:1200px){.partner-grid{grid-template-columns:repeat(4,1fr)}}
@media (max-width:640px){.partner-grid{grid-template-columns:repeat(2,1fr);gap:12px}.ms-year{font-size:22px}.ms-item{padding-bottom:34px}}

/* ============ 资料下载 ============ */
.down-list{border-top:1px solid var(--line)}
.down-item{display:flex;align-items:center;gap:24px;padding:24px 8px;border-bottom:1px solid var(--line);transition:.3s}
.down-item:hover{background:var(--paper);padding-left:20px;padding-right:20px}
.di-ico{width:44px;height:44px;color:var(--gold);flex-shrink:0}
.di-ico svg{width:44px;height:44px;stroke-width:1.3}
.di-name{flex:1}
.di-name h3{font-size:18px;font-weight:500}
.btn-sm{height:44px;padding:0 22px;font-size:13px}

/* ============ 视频/媒体 ============ */
.gal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.gal-card{display:block;background:var(--paper);border:1px solid var(--line);transition:.4s var(--ease)}
.gal-card:hover{border-color:var(--gold);box-shadow:0 22px 50px -30px rgba(0,0,0,.4)}
.gal-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--graphite)}
.gal-img img{width:100%;height:100%;object-fit:cover;transition:.6s}
.gal-card:hover .gal-img img{transform:scale(1.05);opacity:.85}
.gal-img .play-ico{position:absolute;inset:0;margin:auto;width:62px;height:62px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;color:var(--graphite);transition:.35s}
.gal-card:hover .play-ico{background:var(--gold);color:#fff}
.gal-img .play-ico svg{width:24px;height:24px;margin-left:3px}
.gal-info{padding:22px 26px}
.gal-info h3{font-size:18px;font-weight:500}
@media (max-width:1200px){.gal-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.gal-grid{grid-template-columns:1fr}.down-item{flex-wrap:wrap;gap:14px}}

/* ============ 视频弹层 ============ */
.mvp-modal{position:fixed;inset:0;z-index:9999;display:none}
.mvp-modal.show{display:block}
.mvp-mask{position:absolute;inset:0;background:rgba(15,16,18,.9)}
.mvp-box{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:min(92vw,960px)}
.mvp-close{position:absolute;top:-44px;right:0;width:36px;height:36px;color:#fff;font-size:34px;line-height:36px;text-align:center}
.mvp-title{color:#fff;font-family:var(--serif);font-size:18px;margin-bottom:14px}
.mvp-video{width:100%;display:block;background:#000;max-height:80vh}

/* ============ 单页正文 ============ */
.single-body{max-width:900px;margin:0 auto;font-size:15.5px;line-height:2;color:var(--text)}
.single-body img{margin:22px auto}
.single-body p{margin-bottom:18px}
.single-body h2,.single-body h3{margin:28px 0 14px}

/* ============ 搜索结果 ============ */
.srch-tip{font-size:15px;color:var(--muted);margin-bottom:34px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.srch-tip b{color:var(--gold-d)}

/* ============ FAQ ============ */
.faq{max-width:880px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;gap:18px;padding:26px 6px;text-align:left}
.faq-q .qm{font-family:var(--serif);color:var(--gold);font-size:20px;font-weight:600}
.faq-q h3{flex:1;font-size:18px;font-weight:500}
.faq-q .ar{width:18px;height:18px;color:var(--gold);transition:transform .35s}
.faq-item.on .faq-q .ar{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-item.on .faq-a{max-height:500px}
.faq-a-in{padding:0 6px 28px 44px;font-size:14.5px;line-height:1.9;color:var(--text)}

/* ============ CTA 条 ============ */
.ctabar{background:var(--graphite);color:#fff;text-align:center;padding:80px 30px}
.ctabar h2{color:#fff;font-size:34px;margin-bottom:16px}
.ctabar p{color:#9a9da3;margin-bottom:34px}

/* ============ 内页 Banner ============ */
.pbanner{position:relative;height:340px;display:flex;align-items:center;background:var(--graphite);overflow:hidden}
.pbanner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4}
.pbanner .ct{position:relative;z-index:2;color:#fff}
.pbanner .en{font:500 12px/1 var(--sans);letter-spacing:5px;text-transform:uppercase;color:var(--gold-l);margin-bottom:14px;display:block}
.pbanner h1{font-size:44px;color:#fff;letter-spacing:1px}
.crumb{margin-top:18px;font-size:13px;color:rgba(255,255,255,.7)}
.crumb a:hover{color:var(--gold-l)}

/* ============ 内页主区 ============ */
.inmain{padding:80px 0}
.pager{margin-top:60px;display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.pager a,.pager span{min-width:48px;height:48px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line-d);font:500 14px/1 var(--sans);color:var(--text);background:var(--paper);cursor:pointer;transition:.3s var(--ease)}
.pager a[href]:hover{background:var(--graphite);border-color:var(--graphite);color:var(--gold-l)}
.pager a.pnnum1,.pager .cur{background:var(--gold);border-color:var(--gold);color:#fff;font-weight:700;cursor:default}
.pager a:not([href]):not(.pnnum1){color:var(--muted);opacity:.5;cursor:not-allowed}

/* ============ 详情页（正文 + 右栏） ============ */
.detail-wrap{display:grid;grid-template-columns:1fr 320px;gap:56px;align-items:start}
.detail-main.full{grid-column:1 / -1;max-width:900px;margin:0 auto;width:100%}
.detail-head{border-bottom:1px solid var(--line);padding-bottom:28px;margin-bottom:34px}
.detail-head h1{font-size:32px;line-height:1.4}
.detail-meta{display:flex;gap:28px;margin-top:18px;font-size:13px;color:var(--muted)}
.detail-meta span{display:inline-flex;align-items:center;gap:7px}
.detail-meta svg{width:15px;height:15px;color:var(--gold)}
.ai-summary{background:var(--paper);border-left:3px solid var(--gold);padding:22px 26px;margin-bottom:32px}
.ais-tit{display:flex;align-items:center;gap:8px;font-family:var(--serif);font-weight:600;color:var(--ink);margin-bottom:10px}
.ais-tit svg{width:18px;height:18px;color:var(--gold)}
.ais-con{font-size:14px;line-height:1.85;color:var(--text)}
.ais-tip{margin-top:10px;font-size:11px;color:var(--muted)}
.article-body{font-size:15.5px;line-height:2;color:var(--text)}
.article-body img{margin:20px auto}
.article-body p{margin-bottom:18px}
.prenext{margin-top:44px;border-top:1px solid var(--line);padding-top:26px;display:flex;flex-direction:column;gap:12px}
.prenext a,.prenext span{font-size:14px;color:var(--text)}
.prenext a:hover{color:var(--gold-d)}
.pn-label{color:var(--gold);margin-right:8px;font-weight:500}
.aside-box{background:var(--paper);border:1px solid var(--line);margin-bottom:28px}
.aside-hd{padding:22px 24px;border-bottom:1px solid var(--line)}
.aside-hd h3{font-size:18px}
.aside-hd .en{font-size:11px;letter-spacing:2px;color:var(--gold);text-transform:uppercase}
.aside-news{padding:10px 24px 18px}
.aside-news li{padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px}
.aside-news li:last-child{border-bottom:0}
.aside-news a:hover{color:var(--gold-d)}
.aside-contact{background:var(--graphite);color:#fff;padding:30px 26px}
.aside-contact h3{color:#fff;font-size:18px;margin-bottom:8px}
.aside-contact p{font-size:13px;color:#9a9da3;margin-bottom:14px}
.ac-tel{font-family:var(--serif);font-size:24px;color:var(--gold-l)}

/* ============ 产品/业务详情 ============ */
.pd-top{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-bottom:60px;align-items:start}
.pd-main-img{border:1px solid var(--line);background:var(--white);aspect-ratio:4/3;overflow:hidden}
.pd-main-img img{width:100%;height:100%;object-fit:cover}
.pd-thumbs{display:flex;gap:12px;margin-top:14px;flex-wrap:wrap}
.pd-thumbs li{width:84px;aspect-ratio:1;border:1px solid var(--line);cursor:pointer;overflow:hidden;transition:border-color .3s}
.pd-thumbs li.on,.pd-thumbs li:hover{border-color:var(--gold)}
.pd-thumbs li img{width:100%;height:100%;object-fit:cover}
.pd-info h1{font-size:30px;line-height:1.4;margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.pd-brief{margin-bottom:30px}
.pb-row{display:flex;gap:10px;margin-bottom:14px;font-size:14.5px}
.pb-row b{color:var(--ink);font-weight:600;flex-shrink:0}
.pb-row span{color:var(--text)}
.pd-acts{display:flex;gap:16px;flex-wrap:wrap}
.pd-body{display:grid;grid-template-columns:1fr 320px;gap:56px;align-items:start}
.sec-tit{font-size:22px;padding-bottom:16px;margin-bottom:24px;border-bottom:2px solid var(--gold);display:inline-block}
.pd-param{width:100%;border:1px solid var(--line);margin-bottom:40px}
.pd-param th,.pd-param td{padding:14px 18px;border:1px solid var(--line);font-size:14px;text-align:left}
.pd-param th{background:var(--paper);color:var(--ink);font-weight:600;width:200px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:24px}
@media (max-width:992px){.pd-top,.pd-body{grid-template-columns:1fr;gap:36px}}
@media (max-width:640px){.rel-grid{grid-template-columns:1fr}}

/* ============ 联系/表单 ============ */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);margin-bottom:54px}
.contact-card{padding:42px 32px;text-align:center;border-left:1px solid var(--line);background:var(--paper)}
.contact-card:first-child{border-left:0}
.contact-card .ci{width:40px;height:40px;margin:0 auto 18px;color:var(--gold)}
.contact-card .ci svg{width:40px;height:40px;stroke-width:1.3}
.contact-card h3{font-size:14px;letter-spacing:1px;color:var(--muted);text-transform:uppercase;font-family:var(--sans);font-weight:600;margin-bottom:8px}
.contact-card p{font-family:var(--serif);font-size:18px;color:var(--ink)}
.fwrap{max-width:760px;margin:0 auto}
.fwrap .frow{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:22px}
.fwrap label{display:block;font:500 12px/1 var(--sans);letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.fwrap input,.fwrap textarea{width:100%;height:52px;padding:0 16px;background:var(--paper);border:1px solid var(--line-d);color:var(--ink);transition:border-color .3s}
.fwrap textarea{height:130px;padding:14px 16px;resize:vertical}
.fwrap input:focus,.fwrap textarea:focus{border-color:var(--gold)}
.contact-map{margin-top:50px;border:1px solid var(--line);aspect-ratio:21/7;background:var(--graphite);display:grid;place-items:center;text-align:center;color:#9a9da3;transition:.35s}
.contact-map:hover{border-color:var(--gold)}
.contact-map .mh{font-family:var(--serif);font-size:20px;color:#fff;margin-bottom:8px}
.contact-map .ms{font:500 11px/1.6 var(--sans);letter-spacing:2px;text-transform:uppercase;color:var(--gold-l)}
@media (max-width:640px){.contact-map{aspect-ratio:4/3}}

/* ============ 搜索弹层 ============ */
.search-pop{position:fixed;inset:0;z-index:2000;background:rgba(26,28,32,.97);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:.35s}
.search-pop.open{opacity:1;visibility:visible}
.search-pop form{display:flex;width:88%;max-width:620px;border-bottom:1px solid var(--gold)}
.search-pop input{flex:1;height:62px;font-family:var(--serif);font-size:24px;color:#fff}
.search-pop input::placeholder{color:rgba(255,255,255,.4)}
.search-pop button[type=submit]{width:54px;color:var(--gold-l)}
.search-pop button[type=submit] svg{width:24px;height:24px}
.search-close{position:absolute;top:30px;right:36px;width:44px;height:44px;font-size:34px;color:#9a9da3}

/* ============ 返回顶部 ============ */
#backTop{position:fixed;right:26px;bottom:30px;z-index:90;width:48px;height:48px;display:grid;place-items:center;background:var(--graphite);color:#fff;opacity:0;visibility:hidden;transition:.35s}
#backTop.show{opacity:1;visibility:visible}
#backTop:hover{background:var(--gold)}
#backTop svg{width:20px;height:20px}

/* ============ 页脚 ============ */
.ft{background:#15171b;color:#9a9da3;padding:70px 0 0}
.ft-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.08)}
.ft-logo img{max-height:48px;filter:brightness(0) invert(1);margin-bottom:20px}
.ft-desc{font-size:13.5px;line-height:1.9}
.ft h4{color:#fff;font-size:16px;margin-bottom:22px;font-weight:500}
.ft-col li{margin-bottom:12px;font-size:13.5px}
.ft-col a:hover{color:var(--gold-l)}
.ft-contact li{display:flex;gap:10px;margin-bottom:14px;font-size:13.5px}
.ft-contact svg{width:17px;height:17px;color:var(--gold);flex-shrink:0;margin-top:3px}
.ft-bottom{padding:24px 0;font-size:13px}
.ft-bottom .ct{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.ft-bottom a{margin-left:18px}
.ft-bottom a:hover{color:var(--gold-l)}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .field-grid,.col-grid{grid-template-columns:repeat(2,1fr)}
  .team-grid,.col-4{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:48px}
}
@media (max-width:992px){
  :root{--sidew:0px}
  .side{transform:translateX(-100%);transition:transform .35s var(--ease);width:280px}
  .side.open{transform:none}
  .side-logo{display:none}
  .side-nav{padding-top:78px}
  .side-mask.show{display:block}
  .mtop{display:flex}
  .main{margin-left:0;padding-top:62px}
  .about-grid,.detail-wrap{grid-template-columns:1fr;gap:40px}
  .facts ul{grid-template-columns:repeat(2,1fr)}
  .facts li:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.08)}
}
@media (max-width:640px){
  .sec{padding:64px 0}
  .sec-pad{padding:64px 5%}
  .shd h2{font-size:28px}
  .hero{height:auto;padding:120px 0 80px}
  .hero h1{font-size:34px}
  .field-grid,.col-grid,.col-2,.col-4,.team-grid,.contact-grid,.fwrap .frow{grid-template-columns:1fr}
  .field-card{border-left:0}
  .facts ul{grid-template-columns:1fr}
  .facts li{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}
  .news-row{grid-template-columns:80px 1fr;gap:18px}
  .news-row .na{display:none}
  .pbanner h1{font-size:30px}
  .ft-top{grid-template-columns:1fr 1fr;gap:30px}
}