/* 品牌门户（brand_web.py）—— 企业 B2B 门户版式
   配色参照案例站的体系：主色蓝 #2563eb，浅蓝 #eff6ff / #dbeafe 做底和边，石板灰（slate）做文字；
   名次金 #f59e0b / 银 #94a3b8 / 铜 #d97706。10px 圆角，蓝调浅阴影。版式仍是自己的三栏门户结构。 */
:root{
  --primary:#2563eb;--primary-d:#1e40af;--primary-l:#eff6ff;--primary-ll:#f5f9ff;--primary-line:#dbeafe;
  --orange:#f59e0b;--orange-d:#d97706;--orange-l:#fffbeb;
  --gold:#f59e0b;--silver:#94a3b8;--bronze:#d97706;
  --ink:#1e293b;--body:#334155;--muted:#64748b;--dim:#94a3b8;
  --line:#e2e8f0;--bg:#f8fafc;--panel:#fff;
  --r:10px;
  --shadow:0 2px 8px rgba(37,99,235,.06);--shadow-h:0 6px 20px rgba(37,99,235,.12);
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
body.yz{margin:0;background:var(--bg);color:var(--body);font:14px/1.7 var(--sans);-webkit-font-smoothing:antialiased}
body.yz.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
a:hover{color:var(--primary)}
img{display:block;max-width:100%}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{color:var(--ink);line-height:1.4}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
.yz-wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.yz-skip{position:absolute;left:16px;top:-48px;z-index:100;padding:8px 12px;background:var(--primary);color:#fff}
.yz-skip:focus{top:8px}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.yz-icon{width:14px;height:14px;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ===== 顶部细条 ===== */
.yz-topbar{background:#eff6ff;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}
.yz-topbar .yz-wrap{display:flex;justify-content:space-between;align-items:center;height:30px}
.yz-topbar nav{display:flex;gap:16px}
.yz-topbar nav a+a::before{content:"|";margin-right:16px;color:#cbd5e1}
.yz-topbar strong{color:var(--primary);font-weight:600}

/* ===== 页头：Logo + 搜索 + 数据 ===== */
.yz-header{background:linear-gradient(180deg,#eff6ff,#fff)}
.yz-header .yz-wrap{display:flex;align-items:center;gap:40px;height:96px}
.yz-logo{display:flex;align-items:center;gap:10px;white-space:nowrap}
.yz-logo__mark{display:grid;place-items:center;width:44px;height:44px;border-radius:var(--r);background:var(--primary);color:#fff;font-size:22px;font-weight:700}
.yz-logo__text{display:flex;flex-direction:column;line-height:1.25}
.yz-logo__text strong{color:var(--primary);font-size:24px;font-weight:700;letter-spacing:2px}
.yz-logo__text small{color:var(--dim);font-size:12px;letter-spacing:1px}
.yz-hsearch{flex:1;max-width:560px}
.yz-hsearch form{display:flex;height:40px;border:2px solid var(--primary);border-radius:var(--r);overflow:hidden}
.yz-hsearch input{flex:1;min-width:0;border:0;outline:0;padding:0 12px;font:14px var(--sans);color:var(--ink)}
.yz-hsearch button{border:0;padding:0 28px;background:var(--primary);color:#fff;font:600 15px var(--sans);letter-spacing:4px;cursor:pointer}
.yz-hsearch button:hover{background:var(--primary-d)}
.yz-hsearch__hot{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:6px;font-size:12px;color:var(--dim)}
.yz-hsearch__hot a{color:var(--muted)}
.yz-hsearch__hot a:hover{color:var(--primary)}
.yz-hstats{display:flex;gap:24px;margin-left:auto}
.yz-hstats div{display:flex;flex-direction:column;align-items:center;padding-left:24px;border-left:1px solid var(--line)}
.yz-hstats div:first-child{border-left:0;padding-left:0}
.yz-hstats strong{color:var(--primary);font-size:22px;line-height:1.2}
.yz-hstats span{color:var(--muted);font-size:12px}

/* ===== 通栏导航 ===== */
.yz-navbar{position:sticky;top:0;z-index:50;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.yz-navbar .yz-wrap{display:flex;align-items:stretch;height:46px}
.yz-navbar__all{display:flex;align-items:center;gap:8px;width:220px;padding:0 16px;background:var(--primary);color:#fff;font-weight:600}
.yz-navbar__all:hover{color:#fff;background:var(--primary-d)}
.yz-nav{display:flex}
.yz-nav a{position:relative;display:flex;align-items:center;padding:0 22px;color:var(--ink);font-size:15px;transition:color .2s}
.yz-nav a::after{content:"";position:absolute;left:22px;right:22px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--primary);opacity:0;transform:scaleX(.4);transition:opacity .3s,transform .3s cubic-bezier(.22,1,.36,1)}
.yz-nav a:hover{color:var(--primary)}
.yz-nav a:hover::after{opacity:.5;transform:scaleX(1)}
.yz-nav a[aria-current=page]{color:var(--primary);font-weight:600}
.yz-nav a[aria-current=page]::after{opacity:1;transform:scaleX(1)}
.yz-toggle{display:none;position:relative;width:40px;height:40px;margin:2px 0 2px auto;border:0;background:transparent;cursor:pointer}
.yz-toggle span{position:absolute;left:11px;width:18px;height:2px;background:var(--ink);transition:transform .3s}
.yz-toggle span:first-child{top:15px}
.yz-toggle span:last-child{top:23px}
.menu-open .yz-toggle span:first-child{transform:translateY(4px) rotate(45deg)}
.menu-open .yz-toggle span:last-child{transform:translateY(-4px) rotate(-45deg)}
.yz-menu{display:none}

/* ===== 按钮 / 标签 ===== */
.yz-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 16px;border:1px solid var(--primary);border-radius:8px;background:var(--primary);color:#fff;
  font:600 14px/1.5 var(--sans);cursor:pointer;white-space:nowrap;transition:background-color .2s}
.yz-btn:hover{background:var(--primary-d);border-color:var(--primary-d);color:#fff}
.yz-btn--primary{background:var(--primary);border-color:var(--primary)}
.yz-btn--primary:hover{background:var(--primary-d);border-color:var(--primary-d)}
.yz-btn--line{background:#fff;color:var(--primary);border-color:var(--primary-line)}
.yz-btn--line:hover{background:var(--primary-l);border-color:var(--primary);color:var(--primary)}
.yz-btn--sm{padding:4px 12px;font-size:13px;font-weight:500}
.yz-tag{display:inline-block;padding:0 6px;border:1px solid var(--line);border-radius:4px;background:#f8fafc;color:var(--muted);font-size:12px;line-height:20px}
.yz-tag--primary{border-color:var(--primary-line);background:var(--primary-l);color:var(--primary)}
.yz-tag--orange{border-color:#fde68a;background:var(--orange-l);color:var(--orange-d)}
.yz-more{display:inline-flex;align-items:center;gap:2px;color:var(--muted);font-size:13px;white-space:nowrap}
.yz-more:hover{color:var(--primary)}
.yz-link{color:var(--primary)}

/* ===== 面板 / 区块标题 ===== */
.yz-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.yz-sec{margin-top:16px}
.yz-sec__head{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 16px;border-bottom:1px solid var(--line);background:transparent}
.yz-sec__head h1,.yz-sec__head h2{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:17px;font-weight:600}
.yz-sec__head h1::before,.yz-sec__head h2::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--primary)}
.yz-sec__head h1 small,.yz-sec__head h2 small{color:var(--dim);font-size:12px;font-weight:400}
.yz-sec__body{padding:16px}
.yz-crumb{display:flex;flex-wrap:wrap;gap:6px;padding:12px 0;color:var(--dim);font-size:13px}
.yz-crumb a{color:var(--muted)}
.yz-empty{padding:40px 20px;text-align:center;color:var(--muted)}
.yz-empty strong{display:block;color:var(--ink);font-size:15px;margin-bottom:6px}
.yz-empty .yz-btn{margin-top:12px}
.yz-space{height:32px}

/* ===== 首页首屏：三栏 ===== */
.yz-first{display:grid;grid-template-columns:220px 1fr 260px;gap:12px;margin-top:12px}
.yz-catside{background:#fff;border:1px solid var(--line);border-top:0}
.yz-catside li{border-bottom:1px solid #f1f5f9}
.yz-catside li:last-child{border-bottom:0}
.yz-catside__item{display:block;padding:10px 16px;transition:background-color .2s}
.yz-catside__item:hover{background:var(--primary-ll)}
.yz-catside__item strong{display:flex;justify-content:space-between;color:var(--ink);font-size:14px}
.yz-catside__item strong small{color:var(--dim);font-weight:400;font-size:12px}
.yz-catside__item span{display:block;margin-top:2px;color:var(--dim);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.yz-catside__more{display:block;padding:10px 16px;color:var(--primary);font-size:13px;text-align:center}
.yz-intro{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:linear-gradient(135deg,#2563eb,#1e40af);color:#dbeafe;border-radius:var(--r);box-shadow:var(--shadow-h)}
.yz-intro h1{color:#fff;font-size:22px}
.yz-intro p{margin-top:4px;font-size:13px}
.yz-intro__nums{display:flex;gap:28px}
.yz-intro__nums div{display:flex;flex-direction:column;align-items:center}
.yz-intro__nums strong{color:#fff;font-size:24px;line-height:1.2}
.yz-intro__nums span{font-size:12px}
.yz-tabs{margin-top:12px}
.yz-tabs__bar{display:flex;flex-wrap:wrap;border-bottom:2px solid var(--primary);background:#f8fafc}
.yz-tabs__bar button,.yz-tabs__bar a{padding:10px 16px;border:0;background:transparent;color:var(--body);font:14px var(--sans);cursor:pointer}
.yz-tabs__bar button:hover{color:var(--primary)}
.yz-tabs__bar [aria-selected=true]{background:var(--primary);color:#fff;font-weight:600}
.yz-tabs__panel{padding:0}
.yz-tabs__panel[hidden]{display:none}
.yz-tabs__foot{display:flex;justify-content:flex-end;padding:8px 16px;border-top:1px solid #f1f5f9}
.yz-side3{display:flex;flex-direction:column;gap:12px}
.yz-quick{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px}
.yz-quick a{padding:10px 0;border:1px solid var(--line);border-radius:var(--r);text-align:center;font-size:13px;color:var(--body);background:#f8fafc}
.yz-quick a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-l)}
.yz-quick a strong{display:block;color:var(--primary);font-size:15px}

/* ===== 榜单表格 ===== */
.yz-table{width:100%;font-size:14px}
.yz-table th{padding:10px 12px;background:var(--primary-ll);color:var(--muted);font-weight:500;font-size:13px;text-align:left;border-bottom:1px solid var(--line)}
.yz-table td{padding:10px 12px;border-bottom:1px solid #f1f5f9;vertical-align:middle}
.yz-table tr:last-child td{border-bottom:0}
.yz-table tbody tr:hover{background:#f8fafc}
.yz-table__brand{display:flex;align-items:center;gap:10px;min-width:0}
.yz-table__brand img,.yz-table__brand .yz-monogram{width:48px;height:36px;flex:none;border:1px solid var(--line);border-radius:4px;object-fit:cover;font-size:16px}
.yz-table__brand strong{display:block;color:var(--ink);font-size:14px}
.yz-table__brand small{display:block;color:var(--dim);font-size:12px}
.yz-table__brand:hover strong{color:var(--primary)}
.yz-table .yz-c{text-align:center}
.yz-table .yz-dimc{color:var(--muted);font-size:13px}
.yz-rank{display:inline-grid;place-items:center;width:24px;height:24px;flex:none;border-radius:4px;background:#f1f5f9;color:var(--muted);font-size:13px;font-weight:700}
.yz-rank--1{background:var(--gold);color:#fff;box-shadow:0 2px 8px rgba(245,158,11,.35)}
.yz-rank--2{background:var(--silver);color:#fff}
.yz-rank--3{background:var(--bronze);color:#fff}
.yz-rank--lg{width:36px;height:36px;font-size:17px}

/* ===== 品牌卡（方形、边框） ===== */
.yz-brands{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.yz-brands--4{grid-template-columns:repeat(4,1fr)}
.yz-bcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:border-color .2s}
.yz-bcard:hover{border-color:var(--primary);box-shadow:var(--shadow-h)}
.yz-bcard__img{aspect-ratio:4/3;background:#f8fafc;overflow:hidden}
.yz-bcard__img img{width:100%;height:100%;object-fit:cover}
.yz-monogram{width:100%;height:100%;display:grid;place-items:center;background:var(--primary-l);color:var(--primary);font-size:28px;font-weight:700}
.yz-bcard__body{padding:10px 12px;display:flex;flex-direction:column;gap:2px;flex:1}
.yz-bcard__body h3{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.yz-bcard:hover h3{color:var(--primary)}
.yz-bcard__co{color:var(--dim);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.yz-bcard__prod{margin-top:4px;color:var(--muted);font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.yz-bcard__meta{margin-top:auto;padding-top:8px;display:flex;gap:4px;flex-wrap:wrap}

/* ===== 列表（资讯 / 小列表） ===== */
.yz-nlist li{display:flex;align-items:baseline;gap:12px;padding:9px 16px;border-bottom:1px dashed #e2e8f0}
.yz-nlist li:last-child{border-bottom:0}
.yz-nlist li::before{content:"";width:4px;height:4px;flex:none;margin-bottom:3px;background:var(--primary)}
.yz-nlist a{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--body)}
.yz-nlist a:hover{color:var(--primary)}
.yz-nlist time,.yz-nlist .yz-nlist__src{flex:none;color:var(--dim);font-size:12px}
.yz-nlist--rich li{display:block;padding:14px 16px}
.yz-nlist--rich li::before{display:none}
.yz-nlist--rich a{display:block;white-space:normal;color:var(--ink);font-size:15px;font-weight:600}
.yz-nlist--rich p{margin-top:4px;color:var(--muted);font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.yz-nmeta{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;color:var(--dim);font-size:12px}
.yz-nmeta a{color:var(--primary)}
.yz-mini li{border-bottom:1px solid #f1f5f9}
.yz-mini li:last-child{border-bottom:0}
.yz-mini a{display:flex;align-items:center;gap:8px;padding:8px 16px;font-size:13px;color:var(--body)}
.yz-mini a span,.yz-mini a strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.yz-mini a small{margin-left:auto;flex:none;color:var(--dim);font-size:12px}
.yz-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ===== 行业目录（首页底部） ===== */
.yz-dir{width:100%}
.yz-dir tr{border-bottom:1px solid #f1f5f9}
.yz-dir tr:last-child{border-bottom:0}
.yz-dir th{width:140px;padding:12px 16px;background:var(--primary-ll);color:var(--primary);font-size:14px;text-align:left;vertical-align:top}
.yz-dir td{padding:12px 16px;font-size:13px}
.yz-dir td a{display:inline-block;margin:0 16px 4px 0;color:var(--body)}
.yz-dir td a:hover{color:var(--primary)}

/* ===== 黄页 ===== */
.yz-ybar{margin-top:12px;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:var(--r)}
.yz-ybar h1{color:var(--ink);font-size:20px}
.yz-ybar>div{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px}
.yz-ybar>div>small{color:var(--muted);font-size:13px}
.yz-ybar__count{color:var(--muted);font-size:13px}
.yz-ybar__count strong{margin:0 4px;color:var(--primary);font-size:20px}
.yz-filter{margin-top:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.yz-filter__row{display:flex;border-bottom:1px solid #f1f5f9}
.yz-filter__row:last-child{border-bottom:0}
.yz-filter__label{flex:none;width:88px;padding:10px 16px;background:var(--primary-ll);color:var(--primary);font-weight:600;font-size:13px}
.yz-filter__opts{display:flex;flex-wrap:wrap;gap:2px 4px;padding:8px 12px;font-size:13px}
.yz-filter__opts a,.yz-filter__opts span{padding:2px 8px;border-radius:4px;color:var(--body)}
.yz-filter__opts a:hover{color:var(--primary)}
.yz-filter__opts a[aria-current=page]{background:var(--primary);color:#fff}
.yz-filter__opts small{margin-left:2px;color:var(--dim);font-size:11px}
.yz-filter__opts a[aria-current=page] small{color:#dbeafe}
.yz-filter__opts .is-off{color:#cbd5e1}
.yz-ylist{margin-top:12px}
.yz-yitem{display:grid;grid-template-columns:140px 1fr 200px;gap:16px;padding:16px;border-bottom:1px solid #f1f5f9}
.yz-yitem:last-child{border-bottom:0}
.yz-yitem:hover{background:#f8fafc}
.yz-yitem__img{aspect-ratio:4/3;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#f8fafc}
.yz-yitem__img img{width:100%;height:100%;object-fit:cover}
.yz-yitem__name{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.yz-yitem__name h2{font-size:16px}
.yz-yitem__name h2 a{color:var(--ink)}
.yz-yitem__name h2 a:hover{color:var(--primary)}
.yz-yitem__desc{margin-top:6px;color:var(--body);font-size:13px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.yz-yitem__kw{margin-top:6px;color:var(--dim);font-size:12px}
.yz-yitem__kw b{color:var(--muted);font-weight:500}
.yz-yitem__contact{display:flex;flex-direction:column;justify-content:center;gap:6px;padding-left:16px;border-left:1px dashed var(--line);font-size:13px;color:var(--muted)}
.yz-yitem__contact dl{margin:0}
.yz-yitem__contact dt{display:inline;color:var(--dim)}
.yz-yitem__contact dd{display:inline;margin:0;color:var(--ink)}
.yz-yitem__contact .yz-phone{color:var(--primary);font-size:16px;font-weight:700}
.yz-cert{display:inline-flex;align-items:center;gap:3px;padding:0 8px 0 6px;border-radius:4px;background:linear-gradient(135deg,#2563eb,#3b82f6);color:#fff;font-size:12px;line-height:22px;font-weight:600}
.yz-cert .yz-icon{width:13px;height:13px}
.yz-cert--off{padding:0 6px;border:1px solid var(--line);background:#f8fafc;color:var(--dim);font-weight:400;line-height:20px}
.yz-yitem__contact dd.is-cert{color:var(--primary);font-weight:600}
.yz-yitem__contact dd.is-uncert{color:var(--dim)}
.yz-yitem__btns{display:flex;gap:6px;margin-top:4px}

/* ===== 列表页布局 ===== */
.yz-pagehead{display:flex;align-items:baseline;gap:12px;padding:16px 20px;margin-bottom:12px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:var(--r)}
.yz-pagehead h1{color:var(--ink);font-size:20px}
.yz-pagehead p{color:var(--muted);font-size:13px}
.yz-layout{display:grid;grid-template-columns:220px 1fr;gap:16px;align-items:start;padding-bottom:40px}
.yz-layout--right{grid-template-columns:1fr 280px}
.yz-side{display:flex;flex-direction:column;gap:12px}
.yz-side .yz-card h2,.yz-side__head{display:flex;align-items:center;height:40px;padding:0 16px;background:var(--primary);color:#fff;font-size:14px;border-radius:var(--r) var(--r) 0 0}
.yz-side__body{padding:12px 16px;color:var(--muted);font-size:13px}
.yz-catnav a{display:flex;justify-content:space-between;padding:8px 16px;border-bottom:1px solid #f1f5f9;font-size:14px;color:var(--body)}
.yz-catnav a:hover{background:var(--primary-ll);color:var(--primary)}
.yz-catnav a[aria-current=page]{background:var(--primary-l);color:var(--primary);font-weight:600;box-shadow:inset 3px 0 0 var(--primary)}
.yz-catnav small{color:var(--dim)}
.yz-catnav ul a{padding-left:28px;font-size:13px}
.yz-subtabs{display:flex;flex-wrap:wrap;gap:0;margin-bottom:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.yz-subtabs a{padding:10px 18px;color:var(--body);font-size:14px;border-right:1px solid #f1f5f9}
.yz-subtabs a[aria-current=page]{background:var(--primary);color:#fff;font-weight:600}
.yz-pager{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:20px;font-size:13px;color:var(--muted)}
.yz-pager a{padding:5px 12px;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--body)}
.yz-pager a:hover{border-color:var(--primary);color:var(--primary)}

/* ===== 榜单详情 ===== */
.yz-rankhead{display:flex;gap:20px;align-items:center;padding:20px 24px;margin-bottom:12px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--primary);border-radius:var(--r)}
.yz-rankhead__year{display:grid;place-items:center;width:72px;height:72px;flex:none;background:var(--primary);color:#fff;border-radius:var(--r);font-size:13px;line-height:1.3;text-align:center}
.yz-rankhead__year strong{display:block;font-size:22px}
.yz-rankhead h1{color:var(--ink);font-size:24px}
.yz-rankhead__meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:4px;color:var(--dim);font-size:13px}
.yz-rankhead__intro{margin-top:6px;color:var(--muted);font-size:13px}
.yz-board td{padding:14px 12px}
.yz-board .yz-table__brand img,.yz-board .yz-table__brand .yz-monogram{width:80px;height:60px}
.yz-board__reason{margin-top:4px;color:var(--muted);font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;max-width:420px}
.yz-board__acts{display:flex;flex-direction:column;gap:6px;align-items:flex-start}

/* ===== 品牌详情 ===== */
.yz-bhead{display:grid;grid-template-columns:200px 1fr 220px;gap:24px;padding:20px;margin-bottom:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.yz-bhead__img{aspect-ratio:1;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#f8fafc}
.yz-bhead__img img{width:100%;height:100%;object-fit:cover}
.yz-bhead h1{color:var(--ink);font-size:24px}
.yz-bhead__co{margin-top:2px;color:var(--muted)}
.yz-bhead__tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.yz-bhead__rows{margin-top:12px;font-size:13px}
.yz-bhead__rows div{padding:4px 0;border-bottom:1px dashed #f1f5f9}
.yz-bhead__rows b{display:inline-block;width:72px;color:var(--dim);font-weight:400}
.yz-bhead__box{display:flex;flex-direction:column;gap:8px;padding:16px;background:var(--primary-ll);border:1px solid var(--line);border-radius:var(--r)}
.yz-bhead__box strong{color:var(--primary);font-size:14px}
.yz-bhead__box p{color:var(--muted);font-size:12px}
.yz-prose{color:var(--body);font-size:14px;line-height:1.9}
.yz-prose p+p,.yz-prose p+ul,.yz-prose ul+p{margin-top:12px}
.yz-prose h2,.yz-prose h3,.yz-prose h4{font-size:16px;margin:20px 0 8px}
.yz-prose ul,.yz-prose ol{padding-left:22px;list-style:disc}
.yz-prose ol{list-style:decimal}
.yz-prose blockquote{margin:14px 0;padding:10px 16px;background:var(--primary-ll);border-left:3px solid var(--primary);color:var(--muted)}
.yz-prose img{margin:14px 0}
.yz-prose a{color:var(--primary)}
.yz-products{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.yz-product{border:1px solid var(--line);border-radius:4px;overflow:hidden}
.yz-product:hover{border-color:var(--primary)}
.yz-product__img{aspect-ratio:4/3;background:#f8fafc}
.yz-product__img img{width:100%;height:100%;object-fit:cover}
.yz-product strong{display:block;padding:6px 8px 0;font-size:13px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.yz-product span{display:block;padding:0 8px 6px;color:var(--dim);font-size:12px}
.yz-info{width:100%;font-size:14px}
.yz-info th,.yz-info td{padding:10px 14px;border:1px solid var(--line);text-align:left;vertical-align:top}
.yz-info th{width:120px;background:var(--primary-ll);color:var(--muted);font-weight:500}

/* ===== 文章 ===== */
.yz-article{padding:24px 28px}
.yz-article h1{font-size:22px}
.yz-article .yz-nmeta{padding-bottom:14px;border-bottom:1px solid var(--line);font-size:13px}
.yz-article .yz-prose{margin-top:18px;font-size:15px}

/* ===== 页脚 ===== */
.yz-foot{margin-top:24px;background:#1e293b;color:#94a3b8;padding:36px 0 20px;font-size:13px}
.yz-foot__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.yz-foot .yz-logo__mark{background:var(--primary)}
.yz-foot .yz-logo__text strong{color:#fff}
.yz-foot p{margin-top:12px;max-width:380px;line-height:1.8}
.yz-foot h2{color:#fff;font-size:14px;margin-bottom:10px}
.yz-foot ul{display:flex;flex-direction:column;gap:6px}
.yz-foot a:hover{color:#fff}
.yz-foot__base{margin-top:28px;padding-top:16px;border-top:1px solid #334155;color:#64748b;font-size:12px;text-align:center}

/* ===== 响应式 ===== */
@media (max-width:1100px){
  .yz-first{grid-template-columns:200px 1fr}
  .yz-side3{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr}
  .yz-brands{grid-template-columns:repeat(4,1fr)}
  .yz-layout,.yz-layout--right{grid-template-columns:1fr}
  .yz-hstats{display:none}
  .yz-nav a{padding:0 14px}
  .yz-nav a::after{left:14px;right:14px}
  .yz-bhead{grid-template-columns:160px 1fr}
  .yz-bhead__box{grid-column:1/-1}
}
@media (max-width:860px){
  .yz-topbar,.yz-hsearch__hot,.yz-navbar__all{display:none}
  .yz-header .yz-wrap{height:auto;padding:12px 16px;flex-wrap:wrap;gap:12px}
  .yz-hsearch{flex-basis:100%;max-width:none}
  .yz-logo__text strong{font-size:20px}
  .yz-nav{display:none}
  .yz-toggle{display:block}
  .yz-menu{display:flex;flex-direction:column;position:fixed;inset:44px 0 0;z-index:45;padding:8px 16px 40px;background:#fff;
    opacity:0;pointer-events:none;transition:opacity .25s}
  .menu-open .yz-menu{opacity:1;pointer-events:auto}
  .yz-menu a{padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink)}
  .yz-menu a[aria-current=page]{color:var(--primary);font-weight:600}
  .yz-first{grid-template-columns:1fr}
  .yz-catside{display:none}
  .yz-side3{grid-template-columns:1fr}
  .yz-intro{flex-direction:column;align-items:flex-start}
  .yz-brands,.yz-brands--4,.yz-products{grid-template-columns:repeat(2,1fr)}
  .yz-cols{grid-template-columns:1fr}
  .yz-hide-m{display:none}
  .yz-table th,.yz-table td{padding:8px}
  .yz-dir th{width:96px}
  .yz-ybar{flex-wrap:wrap}
  .yz-filter__row{flex-direction:column}
  .yz-filter__label{width:auto;padding:6px 12px}
  .yz-yitem{grid-template-columns:96px 1fr}
  .yz-yitem__contact{grid-column:1/-1;padding:10px 0 0;border-left:0;border-top:1px dashed var(--line)}
  .yz-rankhead{flex-direction:column;align-items:flex-start}
  .yz-board .yz-table__brand img,.yz-board .yz-table__brand .yz-monogram{width:56px;height:42px}
  .yz-bhead{grid-template-columns:96px 1fr;gap:12px;padding:12px}
  .yz-bhead h1{font-size:20px}
  .yz-article{padding:16px}
  .yz-foot__grid{grid-template-columns:1fr;gap:20px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.yz-mb{margin-bottom:12px}
.yz-gap8{margin-top:8px}

/* ===== 404 ===== */
.yz-404{margin:24px 0 8px;padding:56px 24px;text-align:center}
.yz-404>strong{display:block;color:var(--primary);font-size:60px;line-height:1;font-weight:700}
.yz-404 h1{margin-top:16px;font-size:22px}
.yz-404 p{margin-top:8px;color:var(--muted)}
.yz-404__search{display:flex;gap:8px;max-width:440px;margin:24px auto 0}
.yz-404__search input{flex:1;min-width:0;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:8px;font:14px var(--sans)}
.yz-404__search input:focus{outline:0;border-color:var(--primary)}
.yz-404__links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 24px;margin-top:24px}
.yz-404__links a{color:var(--primary)}
/* 城市索引 / 城市站 / 企业城市站索引（brand/cities.html、city.html、company.html） */
.yz-dimc{color:var(--muted)}
.yz-dir td a small{font-size:12px}
.yz-sec .yz-table{border-top:1px solid var(--line)}
.yz-sec .yz-table td .yz-btn{margin-right:6px}
.yz-sec .yz-dir{border-top:1px solid var(--line)}
.yz-side__body .yz-info{margin:8px 0 12px;font-size:13px}
.yz-side__body .yz-info th{width:64px}
.yz-updated{margin:12px 0 0;color:var(--dim);font-size:12px}