:root{
  --ink:#0F172A; --ink2:#334155; --mut:#64748B; --faint:#94A3B8;
  --paper:#FFFFFF; --bg:#F1F4F8; --line:#E6EAF1;
  --brand:#F05A22; --brand-d:#C9430F; --brand-soft:#FFF1E9;
  --amber:#FFB020; --navy:#0E1B2E; --navy2:#16283F; --navy3:#1D3350;
  --up:#E03131; --down:#2F9E44;
  --r:14px; --r-s:10px;
  --sh:0 1px 2px rgba(16,24,40,.05),0 10px 28px rgba(16,24,40,.06);
  --sh-l:0 2px 4px rgba(16,24,40,.06),0 18px 44px rgba(16,24,40,.12);
  --w:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:var(--w);margin:0 auto;padding:0 16px}
.sec{padding:26px 0 6px}
.sec-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:10px}
.sec-t{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:900;letter-spacing:.5px}
.sec-t::before{content:"";width:5px;height:20px;border-radius:3px;background:linear-gradient(180deg,var(--brand),var(--amber));flex:none}
.sec-more{font-size:13px;color:var(--mut);display:flex;align-items:center;gap:4px;cursor:pointer;padding:4px 10px;border-radius:20px;background:#fff;border:1px solid var(--line);transition:.2s}
.sec-more:hover{color:var(--brand);border-color:var(--brand)}
.sec-more svg{width:12px;height:12px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh)}

/* ===== 顶部工具条 ===== */
.topbar{background:var(--navy);color:#A9B7C9;font-size:12px}
.topbar .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px;min-height:34px;padding-top:4px;padding-bottom:4px}
.topbar .hot{color:#fff}
.topbar b{color:var(--amber);font-weight:700}
.tb-right{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.tb-nav a{margin-right:12px;color:#A9B7C9;transition:.2s}
.tb-nav a:hover{color:#fff}
.tb-hot{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.tb-hot em{font-style:normal;color:#7D8CA1}
.chip{display:inline-block;padding:1px 8px;border-radius:20px;background:rgba(255,176,32,.12);color:var(--amber);font-size:12px}
.tb-phone{display:flex;align-items:center;gap:6px}
.tb-phone svg{width:13px;height:13px;fill:var(--amber)}

/* ===== 头部 ===== */
.hdr{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
.hdr .wrap{display:flex;align-items:center;gap:20px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo-badge{width:46px;height:46px;border-radius:13px;background:linear-gradient(135deg,var(--brand),var(--amber));display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(240,90,34,.35);flex:none}
.logo-badge svg{width:28px;height:28px}
.logo-name{display:flex;flex-direction:column;line-height:1.25}
.logo-name strong{font-size:21px;font-weight:900;letter-spacing:1px;color:var(--ink)}
.logo-name span{font-size:11px;color:var(--mut);letter-spacing:2px}
.search{flex:1;min-width:220px;display:flex;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:40px;padding:3px 4px 3px 18px;transition:.2s;max-width:520px}
.search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(240,90,34,.12)}
.search input{border:0;outline:0;background:transparent;flex:1;font-size:14px;font-family:inherit;color:var(--ink);min-width:0}
.search button{border:0;cursor:pointer;background:linear-gradient(135deg,var(--brand),#FF7A33);color:#fff;border-radius:30px;padding:8px 22px;font-size:14px;font-family:inherit;font-weight:700;display:flex;align-items:center;gap:6px;transition:.2s}
.search button:hover{filter:brightness(1.08)}
.search button svg{width:14px;height:14px;fill:#fff}
.hdr-tel{flex:none;display:flex;align-items:center;gap:10px;background:var(--brand-soft);border:1px solid #FFE0CE;border-radius:var(--r-s);padding:8px 14px}
.hdr-tel .ic{width:38px;height:38px;border-radius:50%;background:var(--brand);display:flex;align-items:center;justify-content:center;flex:none}
.hdr-tel .ic svg{width:19px;height:19px;fill:#fff}
.hdr-tel small{display:block;color:var(--mut);font-size:11px;line-height:1.2}
.hdr-tel b{display:block;color:var(--brand);font-size:17px;font-weight:900;letter-spacing:.5px;line-height:1.2}

/* ===== 主导航 ===== */
.nav{background:linear-gradient(90deg,var(--navy),var(--navy3));position:sticky;top:75px;z-index:50;box-shadow:0 6px 18px rgba(14,27,46,.18)}
.nav .wrap{display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none}
.nav .wrap::-webkit-scrollbar{display:none}
.nav a{flex:none;color:#C7D2E0;font-size:15px;font-weight:500;padding:12px 15px;position:relative;transition:.2s;white-space:nowrap}
.nav a:hover,.nav a.on{color:#fff}
.nav a:hover::after,.nav a.on::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:linear-gradient(90deg,var(--brand),var(--amber))}

/* ===== Hero 首屏 ===== */
.hero{position:relative;background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 55%,var(--navy3) 100%);overflow:hidden;padding:26px 0 30px;margin-top:0}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 85% -10%,rgba(255,176,32,.14),transparent 60%),radial-gradient(500px 320px at 0% 110%,rgba(240,90,34,.16),transparent 60%);pointer-events:none}
.hero .wrap{position:relative;display:grid;gap:18px;grid-template-columns:1fr}
.hero-panel{min-width:0;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:24px;backdrop-filter:blur(4px)}
.hero-slogan .site{display:flex;align-items:center;gap:10px;color:var(--amber);font-size:13px;font-weight:700;letter-spacing:1px}
.hero-slogan .site::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(255,176,32,.2)}
.hero-slogan h1{font-size:30px;font-weight:900;color:#fff;margin:12px 0 6px;letter-spacing:1px}
.hero-slogan h1 em{font-style:normal;background:linear-gradient(90deg,var(--brand),var(--amber));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-slogan p{color:#93A5BE;font-size:14px}
.hero-kinds{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.hero-kinds span{padding:4px 12px;border-radius:20px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#E6EDF6;font-size:13px}
.hero-cta{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:30px;font-size:14px;font-weight:700;font-family:inherit;cursor:pointer;border:0;transition:.2s}
.btn svg{width:14px;height:14px}
.btn-brand{background:linear-gradient(135deg,var(--brand),#FF7A33);color:#fff;box-shadow:0 8px 20px rgba(240,90,34,.4)}
.btn-brand:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.hero-tick{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;min-width:0}
.tick{display:flex;flex-direction:column;gap:2px;min-width:0;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);border-radius:12px;padding:10px 12px;cursor:pointer;transition:.2s}
.tick:hover{background:rgba(255,255,255,.13);border-color:rgba(255,176,32,.5);transform:translateY(-2px)}
.tick .k{display:flex;align-items:center;justify-content:space-between;gap:6px}
.tick .k b{color:#fff;font-size:14px;font-weight:700}
.tick .k span{font-size:11px;color:var(--amber);flex:none}
.tick .t{color:#93A5BE;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tick .d{color:#5F7188;font-size:11px}
.mq{grid-column:1/-1;margin-top:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:12px;display:flex;align-items:center;overflow:hidden}
.mq-label{flex:none;display:flex;align-items:center;gap:6px;color:#fff;background:linear-gradient(135deg,var(--brand),#FF7A33);font-size:12px;font-weight:700;padding:8px 14px;border-radius:10px 0 0 10px}
.mq-label svg{width:13px;height:13px;fill:#fff}
.mq-box{flex:1;min-width:0;overflow:hidden;padding:8px 0}
.mq-track{display:inline-flex;gap:34px;white-space:nowrap;animation:mq 36s linear infinite;padding-left:16px}
.mq-track a{color:#B9C6D8;font-size:13px;transition:.2s}
.mq-track a:hover{color:var(--amber)}
.mq-track a i{font-style:normal;color:#5F7188;margin-left:8px}
@keyframes mq{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ===== 快捷查价 ===== */
.quick .grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.qk{display:flex;align-items:center;gap:10px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:10px 12px;cursor:pointer;transition:.2s}
.qk:hover{border-color:var(--brand);box-shadow:var(--sh);transform:translateY(-2px)}
.qk .dot{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:900;color:#fff;flex:none}
.qk b{font-size:14px;display:block;line-height:1.2}
.qk small{color:var(--mut);font-size:11px;line-height:1.2}

/* ===== 三栏主区 ===== */
.cols3{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:1024px){.cols3{grid-template-columns:300px 1fr 300px}}
.pane-title{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--line)}
.pane-title .ic{width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex:none}
.pane-title .ic svg{width:15px;height:15px;fill:#fff}
.pane-title b{font-size:16px;font-weight:900}
.tabs{display:flex;gap:2px;margin-left:auto}
.tabs button{border:0;background:transparent;font-family:inherit;font-size:13px;color:var(--mut);padding:4px 8px;border-radius:6px;cursor:pointer;transition:.2s}
.tabs button.on{background:var(--brand-soft);color:var(--brand);font-weight:700}
.tabpane{display:none;padding:6px 16px 12px}
.tabpane.on{display:block}
.tlist li{display:flex;align-items:baseline;gap:8px;padding:8px 0;border-bottom:1px dashed var(--line);cursor:pointer}
.tlist li:last-child{border-bottom:0}
.tlist li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);flex:none;transform:translateY(-1px)}
.tlist a,.tlist span{flex:1;min-width:0;font-size:13.5px;color:var(--ink2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:.2s}
.tlist li:hover a,.tlist li:hover span{color:var(--brand)}
.tlist time{flex:none;font-size:11.5px;color:var(--faint);font-family:Consolas,Menlo,monospace}
.more-row{text-align:center;padding:10px 0 14px}
.more-row a{display:inline-flex;align-items:center;gap:4px;color:var(--brand);font-size:13px;font-weight:700}
.more-row a svg{width:11px;height:11px}
/* 最新文章 */
.latest-list li{display:flex;align-items:center;gap:8px;padding:7px 0;border-bottom:1px dashed var(--line);cursor:pointer}
.latest-list li:last-child{border-bottom:0}
.tag{flex:none;font-size:11px;padding:1px 7px;border-radius:4px;background:var(--brand-soft);color:var(--brand);font-weight:500}
.tag.t2{background:#EAF3FF;color:#2563EB}
.tag.t3{background:#F0FDF4;color:#16A34A}
.tag.t4{background:#FFF7E6;color:#D97706}
.latest-list a,.latest-list span{flex:1;min-width:0;font-size:13.5px;color:var(--ink2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.latest-list li:hover a,.latest-list li:hover span{color:var(--brand)}
/* 热门信息 */
.hot-num li{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line);cursor:pointer}
.hot-num li:last-child{border-bottom:0}
.hot-num i{flex:none;width:18px;height:18px;border-radius:5px;background:var(--bg);color:var(--mut);font-style:normal;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}
.hot-num li:nth-child(-n+3) i{background:linear-gradient(135deg,var(--brand),var(--amber));color:#fff}
.hot-num a,.hot-num span{flex:1;min-width:0;font-size:13px;color:var(--ink2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hot-num li:hover a,.hot-num li:hover span{color:var(--brand)}
.hot-num time{flex:none;font-size:11px;color:var(--faint)}
.ad-card{background:linear-gradient(135deg,var(--brand),#FF7A33);border-radius:var(--r);padding:18px 16px;color:#fff;text-align:center}
.ad-card h4{font-size:17px;font-weight:900;letter-spacing:2px}
.ad-card p{font-size:12px;opacity:.9;margin-top:4px}
.ad-card .tel{display:inline-block;margin-top:10px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);padding:5px 14px;border-radius:20px;font-size:13px;font-weight:700}
.ad-card.ad-2{background:linear-gradient(135deg,#0E1B2E,#1D3350);border:1px solid rgba(255,255,255,.1)}
.ad-card.ad-2 .tel{border-color:rgba(255,176,32,.6);color:var(--amber)}

/* ===== 报价中心 ===== */
.quote-grid{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:768px){.quote-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.quote-grid{grid-template-columns:repeat(3,1fr)}}
.quote-grid .card{overflow:hidden}
.quote-grid .pane-title{background:linear-gradient(180deg,#FAFBFD,#fff)}
.quote-grid .pane-title b{font-size:15px}
.quote-grid .tlist a,.quote-grid .tlist span{font-size:13px}

/* ===== 企业动态 ===== */
.ent-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:1024px){.ent-grid{grid-template-columns:1fr 340px}}
.ent-main{overflow:hidden}
.ent-main .pane-title{background:linear-gradient(90deg,var(--brand-soft),#fff)}
.ent-main .pane-title b{font-size:16px}
.ent-main .tlist a,.ent-main .tlist span{font-size:13.5px}
.ent-side{overflow:hidden}

/* ===== 会员企业 ===== */
.member-grid{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
@media(min-width:1024px){.member-grid{grid-template-columns:repeat(4,1fr)}}
.mcard{overflow:hidden;cursor:pointer;transition:.25s;display:flex;flex-direction:column}
.mcard:hover{transform:translateY(-4px);box-shadow:var(--sh-l)}
.mcard .img{aspect-ratio:4/3;overflow:hidden;position:relative}
.mcard .img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.mcard:hover .img img{transform:scale(1.06)}
.mcard .img .type{position:absolute;left:10px;top:10px;background:rgba(14,27,46,.72);color:#fff;font-size:11px;padding:2px 9px;border-radius:6px;backdrop-filter:blur(3px)}
.mcard .bd{padding:11px 13px 13px;display:flex;flex-direction:column;gap:6px;flex:1}
.mcard .bd h4{font-size:13.5px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mcard .bd time{font-size:11.5px;color:var(--faint)}

/* ===== 最新产品 ===== */
.prod-sec{position:relative}
.prod-track{display:flex;gap:14px;overflow-x:auto;scroll-behavior:smooth;scrollbar-width:none;padding:4px 2px 10px}
.prod-track::-webkit-scrollbar{display:none}
.pcard{flex:0 0 68%;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;cursor:pointer;transition:.25s}
@media(min-width:768px){.pcard{flex:0 0 31%}}
@media(min-width:1024px){.pcard{flex:0 0 18.5%}}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--sh-l)}
.pcard .img{aspect-ratio:4/3;overflow:hidden;background:#F6F7F9}
.pcard .img img{width:100%;height:100%;object-fit:cover}
.pcard .bd{padding:10px 12px 12px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.pcard .bd b{font-size:13px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pcard .bd span{flex:none;font-size:11px;color:var(--brand);background:var(--brand-soft);padding:2px 8px;border-radius:10px}
.pnav{position:absolute;right:0;top:0;display:flex;gap:8px}
.pnav button{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
.pnav button:hover{background:var(--brand);border-color:var(--brand)}
.pnav button svg{width:15px;height:15px;fill:var(--ink2)}
.pnav button:hover svg{fill:#fff}

/* ===== 钢材行情 ===== */
.steel-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:1024px){.steel-grid{grid-template-columns:1fr 1fr 300px}}
.steel-grid .card{overflow:hidden}
.steel-banner{border-radius:var(--r);background:linear-gradient(135deg,#101B2E,#243B5C);color:#fff;padding:22px 20px;display:flex;flex-direction:column;justify-content:center;gap:8px;position:relative;overflow:hidden}
.steel-banner::after{content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(255,176,32,.3),transparent 65%)}
.steel-banner b{font-size:18px;font-weight:900;letter-spacing:.5px}
.steel-banner p{color:#9FB0C8;font-size:13px}
.steel-banner .num{color:var(--amber);font-size:24px;font-weight:900;letter-spacing:1px}
.steel-banner small{color:#7D8CA1;font-size:11px}

/* ===== 横幅广告 ===== */
.banner-strip{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:768px){.banner-strip{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.banner-strip{grid-template-columns:repeat(3,1fr)}}
.bn{position:relative;border-radius:var(--r);padding:22px 20px;color:#fff;overflow:hidden;cursor:pointer;transition:.25s}
.bn:hover{transform:translateY(-3px);box-shadow:var(--sh-l)}
.bn h4{font-size:18px;font-weight:900;letter-spacing:1px}
.bn p{font-size:12.5px;opacity:.92;margin-top:5px}
.bn .tel{display:inline-block;margin-top:12px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.45);padding:5px 15px;border-radius:20px;font-size:13px;font-weight:700}
.bn.b1{background:linear-gradient(135deg,#C0392B,#E0664A)}
.bn.b2{background:linear-gradient(135deg,#0E1B2E,#2A4A73)}
.bn.b2 .tel{color:var(--amber);border-color:rgba(255,176,32,.55)}
.bn.b3{background:linear-gradient(135deg,var(--brand),#FF9E4F)}
.bn .corner{position:absolute;right:-26px;top:-26px;width:110px;height:110px;border-radius:50%;background:rgba(255,255,255,.1)}

/* ===== 关键词云 ===== */
.kw-box{padding:18px 16px}
.kw-box .lab{font-size:13px;color:var(--mut);margin-bottom:10px;display:flex;align-items:center;gap:6px}
.kw-box .lab::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand)}
.kw{display:flex;flex-wrap:wrap;gap:9px}
.kw a{padding:5px 14px;border-radius:20px;background:var(--bg);border:1px solid var(--line);font-size:13px;color:var(--ink2);transition:.2s}
.kw a:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px)}
.kw a:nth-child(3n){font-size:15px;font-weight:700}
.kw a:nth-child(4n){color:var(--brand)}
.kw a:nth-child(5n){font-size:12px}

/* ===== 页脚 ===== */
footer{background:var(--navy);color:#8FA0B6;margin-top:36px}
.ft-wrap{max-width:var(--w);margin:0 auto;padding:30px 16px 18px;display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:768px){.ft-wrap{grid-template-columns:1.4fr 1fr 1fr}}
.ft-logo{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.ft-logo strong{color:#fff;font-size:18px;font-weight:900;letter-spacing:1px}
.ft-logo span{display:block;font-size:10px;letter-spacing:2px;color:#64788F}
.ft-desc{font-size:12.5px;line-height:1.9;max-width:400px}
.ft-h{color:#fff;font-size:14px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.ft-h::before{content:"";width:4px;height:13px;border-radius:2px;background:var(--brand)}
.ft-list li{display:flex;align-items:center;gap:8px;padding:4px 0;font-size:13px}
.ft-list li svg{width:13px;height:13px;fill:var(--amber);flex:none}
.ft-list li a:hover{color:var(--amber)}
.ft-qq{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:6px 12px;margin:4px 6px 4px 0;font-size:12.5px;color:#C7D2E0}
.ft-qq:hover{color:#fff;border-color:var(--brand)}
.ft-qq svg{width:14px;height:14px;fill:#fff}
.ft-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:22px;padding:14px 0;text-align:center;font-size:12px;color:#64788F}
.ft-bottom .wrap{display:flex;flex-direction:column;gap:4px;align-items:center}
.ft-hotlinks{margin-top:6px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.ft-hotlinks a{color:#8FA0B6}
.ft-hotlinks a:hover{color:var(--amber)}

/* ===== 返回顶部 / toast ===== */
#toTop{position:fixed;right:18px;bottom:26px;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--brand),#FF7A33);border:0;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(240,90,34,.4);opacity:0;visibility:hidden;transition:.25s;z-index:80}
#toTop.show{opacity:1;visibility:visible}
#toTop svg{width:18px;height:18px;fill:#fff}
#toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%) translateY(20px);background:var(--navy);color:#fff;padding:10px 22px;border-radius:30px;font-size:13px;opacity:0;visibility:hidden;transition:.3s;z-index:90;box-shadow:var(--sh-l);max-width:86vw;text-align:center}
#toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ===== 登录 / 注册 ===== */
.tb-auth{display:flex;align-items:center;gap:8px}
.tb-auth button{background:none;border:0;color:#C7D2E0;font-size:12.5px;font-family:inherit;cursor:pointer;padding:2px 0;transition:.2s}
.tb-auth button:hover{color:var(--amber)}
.tb-auth i{font-style:normal;color:#46597A}
.auth-pill{flex:none;display:inline-flex;align-items:center;gap:7px;background:var(--brand-soft);border:1px solid #FFE0CE;border-radius:30px;padding:9px 18px;font-size:13.5px;font-weight:700;color:var(--brand);font-family:inherit;cursor:pointer;transition:.2s}
.auth-pill svg{width:15px;height:15px;fill:var(--brand)}
.auth-pill:hover{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(240,90,34,.35)}
.auth-pill:hover svg{fill:#fff}
.modal-mask{position:fixed;inset:0;background:rgba(10,18,32,.55);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:100;opacity:0;visibility:hidden;transition:.25s;padding:16px}
.modal-mask.show{opacity:1;visibility:visible}
.modal{background:#fff;border-radius:18px;width:100%;max-width:400px;padding:26px 28px 24px;position:relative;box-shadow:var(--sh-l);transform:translateY(14px);transition:.25s;max-height:92vh;overflow-y:auto}
.modal-mask.show .modal{transform:translateY(0)}
.modal-close{position:absolute;right:14px;top:14px;width:32px;height:32px;border-radius:10px;border:0;background:var(--bg);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
.modal-close svg{width:15px;height:15px;fill:var(--mut)}
.modal-close:hover{background:var(--brand);}
.modal-close:hover svg{fill:#fff}
.modal-tabs{display:flex;gap:4px;background:var(--bg);border-radius:12px;padding:4px;margin-bottom:20px}
.modal-tabs button{flex:1;border:0;background:transparent;font-family:inherit;font-size:15px;font-weight:700;color:var(--mut);padding:9px 0;border-radius:9px;cursor:pointer;transition:.2s}
.modal-tabs button.on{background:#fff;color:var(--brand);box-shadow:var(--sh)}
.auth-form label{display:block;font-size:13px;color:var(--ink2);margin:14px 0 6px;font-weight:500}
.auth-form input{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;outline:0;background:var(--bg);transition:.2s;color:var(--ink)}
.auth-form input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(240,90,34,.12)}
.auth-row{display:flex;align-items:center;justify-content:space-between;margin-top:12px}
.auth-check{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--mut);cursor:pointer;margin:0}
.auth-check input{width:auto;accent-color:var(--brand)}
.auth-forgot{font-size:12.5px;color:var(--brand);cursor:pointer}
.auth-submit{width:100%;margin-top:18px;padding:12px 0;border:0;border-radius:12px;background:linear-gradient(135deg,var(--brand),#FF7A33);color:#fff;font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;box-shadow:0 8px 20px rgba(240,90,34,.35);transition:.2s}
.auth-submit:hover{filter:brightness(1.07);transform:translateY(-1px)}
.auth-switch{text-align:center;font-size:12.5px;color:var(--mut);margin-top:14px}
.auth-switch span{color:var(--brand);font-weight:700;cursor:pointer}
.auth-switch span:hover{text-decoration:underline}

@media(min-width:768px){
  .hero .wrap{grid-template-columns:1.05fr 1fr}
  .hero-tick{grid-template-columns:repeat(2,1fr)}
  .hero-slogan h1{font-size:34px}
  .quick .grid{grid-template-columns:repeat(4,1fr)}
}
@media(min-width:1024px){
  .hero-slogan h1{font-size:38px}
  .quick .grid{grid-template-columns:repeat(7,1fr)}
}
@media(max-width:767px){
  .hdr .search{order:3;max-width:none}
  .nav{top:0}
  .hero-slogan h1{font-size:24px}
  .mq-label{display:none}
}

/* grid 子项收缩兜底：防止 nowrap 内容撑破移动端 */
.cols3 > *, .quote-grid > *, .ent-grid > *, .member-grid > *,
.steel-grid > *, .quick .grid > *, .banner-strip > *,
.ft-wrap > *, .hero .wrap > *, .hero-tick > * { min-width: 0; }

/* 列表项内链接占满并保持 flex 布局（列表标题+日期） */
.tlist li>a{display:flex;align-items:baseline;gap:8px;flex:1;min-width:0}
.hot-num li>a{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.latest-list li>a{display:flex;align-items:center;gap:8px;flex:1;min-width:0}
@media(max-width:767px){
  .hero-slogan h1{font-size:21px;line-height:1.35}
  .hero-slogan h1 em{display:block;font-size:19px;margin-top:2px}
}

/* 最新文章标签不参与拉伸 */
.latest-list .tag{flex:0 0 auto}

/* 移动端：header 随页面滚动，仅导航吸顶，避免两层 sticky 重叠 */
@media(max-width:767px){
  .hdr{position:static}
  .nav{top:0}
}

/* ================= 内页通用 ================= */
.inner-main{padding:22px 16px 10px}
.crumb{font-size:13px;color:var(--mut);margin:0 0 14px;line-height:1.7;word-break:break-all}
.crumb a{color:var(--mut);transition:.2s}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--faint);margin:0 6px}
.layout-2col{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:1024px){.layout-2col{grid-template-columns:minmax(0,1fr) 300px}}
.main-col{overflow:hidden}
.side-col{display:flex;flex-direction:column;gap:16px}
.side-card{overflow:hidden}
.side-card .pane-title{padding:12px 14px}
.side-card .pane-title b{font-size:15px}
.side-list{padding:4px 14px 10px}
.side-list li{padding:7px 0;border-bottom:1px dashed var(--line);font-size:13px}
.side-list li:last-child{border-bottom:0}
.side-list a{display:flex;gap:8px;align-items:baseline;color:var(--ink2)}
.side-list a:hover{color:var(--brand)}
.side-list .txt{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side-list time{flex:none;font-size:11.5px;color:var(--faint)}

/* 新闻列表 */
.news-list li{border-bottom:1px dashed var(--line);padding:14px 18px}
.news-list li:last-child{border-bottom:0}
.news-list a{display:block}
.nl-title{font-size:15.5px;color:var(--ink2);font-weight:500;line-height:1.55;transition:.2s}
.news-list a:hover .nl-title{color:var(--brand)}
.nl-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:6px;font-size:12px;color:var(--faint)}
.nl-meta .tag{font-size:11px;padding:1px 7px;border-radius:4px;background:var(--brand-soft);color:var(--brand)}
.nl-summary{font-size:13px;color:var(--mut);margin-top:7px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 分页 */
.pagination{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:14px 18px;border-top:1px solid var(--line);font-size:13px;color:var(--mut)}
.pg-btns{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.pg-btns a,.pg-btns span{display:inline-block;padding:5px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink2);font-size:13px;transition:.2s}
.pg-btns a:hover{border-color:var(--brand);color:var(--brand)}
.pg-btns .current{background:var(--brand);border-color:var(--brand);color:#fff}
.pg-btns .disabled{color:var(--faint);background:var(--bg)}

/* 文章页 */
.article-head{padding:22px 24px 16px;border-bottom:1px solid var(--line)}
.article-head h1{font-size:23px;font-weight:900;line-height:1.45;color:var(--ink)}
.article-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:12px;font-size:12.5px;color:var(--faint)}
.article-content{padding:22px 24px 28px;font-size:15px;line-height:1.95;color:var(--ink2);overflow-x:auto}
.article-content p{margin:0 0 12px}
.article-content img{max-width:100%;height:auto}
.article-content table{max-width:100%;border-collapse:collapse;margin:12px 0;background:#fff}
.article-content td,.article-content th{border:1px solid var(--line);padding:7px 9px;font-size:13.5px;line-height:1.6}
.article-content th{background:var(--bg);font-weight:700}
.article-content h1,.article-content h2,.article-content h3{margin:18px 0 10px;color:var(--ink);line-height:1.4}
.article-content h2{font-size:19px}
.article-content h3{font-size:17px}
.article-content a{color:var(--brand)}
.article-content blockquote{margin:12px 0;padding:10px 14px;border-left:3px solid var(--brand);background:var(--brand-soft);color:var(--ink2);border-radius:0 8px 8px 0}
.article-nav{border-top:1px solid var(--line);padding:14px 24px;font-size:13px;color:var(--mut);display:flex;flex-direction:column;gap:8px}
.article-nav a{color:var(--ink2)}
.article-nav a:hover{color:var(--brand)}
.vip-tip{margin:22px 24px;padding:38px 24px;text-align:center;background:var(--brand-soft);border:1px dashed var(--brand);border-radius:12px;color:var(--brand-d);font-size:14px;line-height:1.9}
.vip-tip a{color:var(--brand);font-weight:700}
.empty-tip{padding:50px 20px;text-align:center;color:var(--faint);font-size:14px}

/* 单页 */
.article-page{padding-bottom:10px}
.article-page .article-head{border-bottom:0;padding-bottom:6px}
.article-page .article-content{padding-top:8px}

/* 产品网格 */
.prod-grid{display:grid;gap:14px;grid-template-columns:repeat(2,1fr);padding:16px}
@media(min-width:768px){.prod-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.prod-grid{grid-template-columns:repeat(4,1fr)}}
.prod-item{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;transition:.25s;display:flex;flex-direction:column}
.prod-item:hover{transform:translateY(-3px);box-shadow:var(--sh-l);border-color:#FFD8C4}
.prod-item .img{aspect-ratio:4/3;background:#F6F7F9;overflow:hidden}
.prod-item .img img{width:100%;height:100%;object-fit:cover;transition:.35s}
.prod-item:hover .img img{transform:scale(1.05)}
.prod-item .bd{padding:10px 12px 12px;font-size:13.5px;font-weight:600;color:var(--ink2);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 产品详情 */
.prod-detail{padding:22px 24px;display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.prod-detail{grid-template-columns:300px minmax(0,1fr)}}
.prod-detail .pic{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#F6F7F9;aspect-ratio:4/3}
.prod-detail .pic img{width:100%;height:100%;object-fit:cover}
.prod-detail h1{font-size:22px;font-weight:900;color:var(--ink);line-height:1.4}
.prod-detail .sub{color:var(--mut);font-size:14px;margin-top:8px;line-height:1.8}

/* 会员表单页 */
.auth-page{max-width:460px;margin:28px auto 10px}
.auth-card{padding:24px 26px 26px}
.auth-card h1{font-size:20px;font-weight:900;text-align:center;margin-bottom:6px}
.auth-card .sub{text-align:center;color:var(--mut);font-size:13px;margin-bottom:18px}
.auth-card .form-row{margin-bottom:14px}
.auth-card label{display:block;font-size:13px;color:var(--ink2);margin-bottom:6px;font-weight:500}
.auth-card input[type=text],.auth-card input[type=password],.auth-card input[type=email],.auth-card input[type=tel]{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;outline:0;background:var(--bg);transition:.2s;color:var(--ink)}
.auth-card input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(240,90,34,.12)}
.auth-card .code-row{display:flex;gap:8px;align-items:center}
.auth-card .code-row input{flex:1}
.auth-card .code-row img{height:42px;border:1px solid var(--line);border-radius:10px;cursor:pointer;flex:none}
.auth-card .submit{width:100%;margin-top:8px;padding:12px 0;border:0;border-radius:12px;background:linear-gradient(135deg,var(--brand),#FF7A33);color:#fff;font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;box-shadow:0 8px 20px rgba(240,90,34,.3);transition:.2s}
.auth-card .submit:hover{filter:brightness(1.07)}
.auth-links{text-align:center;font-size:13px;color:var(--mut);margin-top:14px}
.auth-links a{color:var(--brand);font-weight:600;margin:0 6px}
.auth-tip{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-size:12.5px;color:var(--mut);line-height:1.8;margin-bottom:16px}

/* 会员中心 */
.ucenter-card{padding:24px 26px}
.ucenter-hello{font-size:16px;color:var(--ink2);margin-bottom:6px}
.ucenter-hello b{color:var(--brand);font-size:18px}
.ucenter-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.ucenter-actions a{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:10px;font-size:13.5px;font-weight:600;border:1px solid var(--line);background:#fff;color:var(--ink2);transition:.2s}
.ucenter-actions a:hover{border-color:var(--brand);color:var(--brand)}
.ucenter-actions a.primary{background:linear-gradient(135deg,var(--brand),#FF7A33);border-color:transparent;color:#fff}

/* 搜索页 */
.search-page-head{padding:18px 20px;margin-bottom:16px}
.search-page-head form{display:flex;gap:8px;max-width:620px}
.search-page-head input{flex:1;padding:11px 16px;border:1px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit;outline:0;background:var(--bg)}
.search-page-head input:focus{border-color:var(--brand);background:#fff}
.search-page-head button{padding:0 22px;border:0;border-radius:10px;background:linear-gradient(135deg,var(--brand),#FF7A33);color:#fff;font-size:14px;font-weight:700;font-family:inherit;cursor:pointer}
.search-kw{font-size:13px;color:var(--mut);margin-top:10px}
.search-kw b{color:var(--brand)}

/* 留言页 */
.msg-form{padding:20px 24px 24px}
.msg-form .form-row{margin-bottom:14px}
.msg-form label{display:block;font-size:13px;color:var(--ink2);margin-bottom:6px;font-weight:500}
.msg-form input[type=text],.msg-form input[type=tel]{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;outline:0;background:var(--bg)}
.msg-form input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(240,90,34,.12)}
.msg-form .code-row{display:flex;gap:8px;align-items:center}
.msg-form .code-row input{flex:1}
.msg-form .code-row img{height:42px;border:1px solid var(--line);border-radius:10px;cursor:pointer}
.msg-form .submit{padding:12px 34px;border:0;border-radius:12px;background:linear-gradient(135deg,var(--brand),#FF7A33);color:#fff;font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;box-shadow:0 8px 20px rgba(240,90,34,.3)}
.layout-2col{align-items:start}

/* PB 分页当前页与禁用态 */
.pg-btns .page-num-current{background:var(--brand);border-color:var(--brand);color:#fff}
.pg-btns a[href="javascript:;"],.pg-btns a.disabled{color:var(--faint);background:var(--bg);pointer-events:none}

/* 直接放在卡片下的列表补内边距（废钢价格汇总、其它行情、钢材等模块） */
.card > .tlist{padding:6px 16px 12px}

/* 页脚微信二维码 */
.ft-qr{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.ft-qr img{width:92px;height:92px;border-radius:10px;background:#fff;padding:4px;object-fit:contain;flex:none}
.ft-qr span{font-size:12.5px;color:#C7D2E0;line-height:1.8}