/* 光通信工厂网 Opticsmap — Blue theme */
:root{
  --blue:#1d4ed8; --blue-dark:#173aa8; --blue-deep:#0f2470; --blue-soft:#eff4ff;
  --blue-dim:rgba(29,78,216,.10);
  --cyan:#0e7490; --cyan-dim:rgba(14,116,144,.09);
  --amber:#b45309; --amber-dim:rgba(180,83,9,.10);
  --t1:#1a2233; --t2:#3d4759; --t3:#6b7688; --t4:#98a2b3;
  --bg:#ffffff; --bg2:#f6f8fc; --card:#ffffff; --card2:#fbfcfe;
  --border:#e3e8f0; --border2:#e9edf4;
  --radius:12px; --shadow:0 1px 2px rgba(16,24,40,.04),0 4px 16px rgba(16,24,40,.06);
}
[dir="rtl"] .main-nav,[dir="rtl"] .header-actions{direction:rtl}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans Arabic","Noto Sans",system-ui,-apple-system,sans-serif;color:var(--t1);background:var(--bg);line-height:1.6;font-size:15px}
a{color:inherit;text-decoration:none}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.page-root{min-height:70vh;padding-top:28px;padding-bottom:64px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border2)}
.header-inner{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:9px;background:var(--blue);color:#fff;font-weight:800;font-size:18px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;letter-spacing:.5px}
.brand-text small{font-size:10px;letter-spacing:2.5px;color:var(--t3)}
.main-nav{display:flex;gap:13px;flex:1}
.main-nav a{font-size:14px;color:var(--t2);padding:6px 2px;border-bottom:2px solid transparent;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--blue);border-bottom-color:var(--blue)}
.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.header-actions .btn{white-space:nowrap;padding:8px 12px;font-size:13.5px}
.btn{display:inline-flex;align-items:center;gap:6px;border-radius:8px;padding:8px 16px;font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:.15s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-ghost{border-color:var(--border);background:#fff;color:var(--t2)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.lang-select-wrap select{border:1px solid var(--border);border-radius:8px;padding:7px 8px;font-size:13.5px;background:#fff;color:var(--t1);max-width:130px}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:8px;font-size:18px;padding:4px 10px;cursor:pointer;color:var(--t2)}
/* 页头的 Facebook 按钮已移除（2026-10-15），原来这里那条
   `@media(max-width:1320px){ .header-actions .btn-fb … }`（窄屏只留图标）随之删掉。 */

/* hero */
.hero{position:relative;border-radius:16px;overflow:hidden;color:#fff;background:#0d2158;padding:96px 56px 88px}
/* hero carousel: 3 slides, 9s cycle (3s each), ~0.7s crossfade */
/* 主视觉背景：优先取 CSS 变量 --hero1/2/3（在 :root 里指向真实照片），未定义时回退为渐变 */
.hero-slide{position:absolute;inset:-4%;background-size:cover;background-position:center;background-repeat:no-repeat;opacity:0;will-change:transform,opacity}
.hero-slide.s1{background-image:var(--hero1,
    radial-gradient(ellipse 60% 45% at 76% 22%, rgba(255,198,120,.34), transparent 60%),
    linear-gradient(160deg,#0b2350 0%,#153f78 48%,#256b93 100%));
  background-position:center 42%;transform-origin:62% 42%;
  animation:heroFade 9s linear infinite 0s,heroZoomA 9s ease-in-out infinite 0s}
.hero-slide.s2{background-image:var(--hero2,
    radial-gradient(ellipse 55% 45% at 22% 32%, rgba(255,146,74,.28), transparent 60%),
    linear-gradient(150deg,#0a1c3f 0%,#1b3d70 52%,#3a5f86 100%));
  background-position:center 38%;transform-origin:40% 50%;
  animation:heroFade 9s linear infinite 3s,heroZoomB 9s ease-in-out infinite 3s}
.hero-slide.s3{background-image:var(--hero3,
    radial-gradient(ellipse 65% 50% at 62% 74%, rgba(120,190,255,.30), transparent 62%),
    linear-gradient(140deg,#081832 0%,#12365e 55%,#2b6480 100%));
  background-position:center 45%;transform-origin:50% 55%;
  animation:heroFade 9s linear infinite 6s,heroZoomC 9s ease-in-out infinite 6s}
.hero-shade{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,20,55,.62) 0%,rgba(12,30,84,.40) 42%,rgba(18,48,132,.10) 100%)}
@keyframes heroFade{0%{opacity:0}8%{opacity:1}33.33%{opacity:1}41.33%{opacity:0}100%{opacity:0}}
@keyframes heroZoomA{0%{transform:scale(1) translateX(0)}33.33%{transform:scale(1.1) translateX(-2%)}100%{transform:scale(1.1) translateX(-2%)}}
@keyframes heroZoomB{0%{transform:scale(1.12) translateX(2%)}33.33%{transform:scale(1.02) translateX(0)}100%{transform:scale(1.02) translateX(0)}}
@keyframes heroZoomC{0%{transform:scale(1.05) translateX(-2%)}33.33%{transform:scale(1.13) translateX(1.5%)}100%{transform:scale(1.13) translateX(1.5%)}}
@media (prefers-reduced-motion:reduce){.hero-slide{animation:none}.hero-slide.s1{opacity:1}}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(ellipse at 85% 15%,rgba(255,255,255,.14),transparent 55%),
  radial-gradient(ellipse at 10% 90%,rgba(255,255,255,.08),transparent 50%)}
.hero-inner{position:relative;max-width:880px}
.hero-badge{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:4px 14px;font-size:12.5px;letter-spacing:1px}
.hero h1{font-size:44px;line-height:1.22;margin:18px 0 6px;font-weight:800}
.hero h1 .hl{color:#7eb3ff}
.hero-sub{font-size:16px;max-width:760px;color:rgba(255,255,255,.88);margin-top:10px}
.hero-sub .em{font-weight:700;color:#fff;text-decoration:underline;text-underline-offset:4px}
.hero-note{font-size:12.5px;color:rgba(255,255,255,.65);margin-top:8px}
.search-wrap{position:relative;margin-top:30px;max-width:640px}
.search-wrap input{width:100%;padding:16px 54px 16px 20px;font-size:15.5px;border-radius:12px;border:none;outline:none;box-shadow:0 8px 30px rgba(0,0,0,.18);color:var(--t1)}
[dir="rtl"] .search-wrap input{padding:16px 20px 16px 54px}
.search-wrap button{position:absolute;top:50%;transform:translateY(-50%);inset-inline-end:8px;background:var(--blue);color:#fff;border:none;border-radius:9px;padding:10px 18px;font-size:14px;font-weight:600;cursor:pointer}
.hot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;align-items:center}
.hot-tags .lbl{font-size:12.5px;color:rgba(255,255,255,.7);margin-inline-end:4px}
.hot-tags a{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:4px 14px;font-size:13px;color:#fff}
.hot-tags a:hover{background:rgba(255,255,255,.26)}

/* stats band */
.stats-band{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:22px}
.stat-cell{background:var(--card);border:1px solid var(--border2);border-radius:var(--radius);padding:20px 10px;text-align:center}
.stat-cell b{display:block;font-size:30px;font-weight:800;color:var(--blue);font-variant-numeric:tabular-nums}
.stat-cell span{font-size:12.5px;color:var(--t3)}

/* section blocks */
.section{margin-top:56px}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:20px}
.sec-label{font-size:12px;letter-spacing:2px;color:var(--blue);font-weight:700;text-transform:uppercase}
.sec-head h2{font-size:26px;font-weight:800;margin-top:4px}
.sec-head p{color:var(--t3);font-size:14px;margin-top:4px}
.link-more{color:var(--blue);font-size:14px;font-weight:600;white-space:nowrap}
.link-more:hover{text-decoration:underline}

/* three entry cards */
.entry-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.entry-card{background:var(--card);border:1px solid var(--border2);border-radius:var(--radius);padding:24px;transition:.15s;display:block}
.entry-card:hover{border-color:var(--blue);box-shadow:var(--shadow);transform:translateY(-2px)}
.entry-card .ic{width:38px;height:38px;border-radius:10px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:19px;margin-bottom:14px}
.entry-card h3{font-size:17px;font-weight:700}
.entry-card p{font-size:13.5px;color:var(--t3);margin-top:6px}
.entry-card .go{color:var(--blue);font-size:13.5px;font-weight:600;display:inline-block;margin-top:12px}

/* province overview */
.prov-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.prov-card{background:var(--card2);border:1px solid var(--border2);border-radius:var(--radius);padding:20px;display:block;transition:.15s}
.prov-card:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.prov-card h3{font-size:17px;font-weight:800;display:flex;align-items:center;gap:8px}
.prov-card .en{font-size:11.5px;color:var(--t4);letter-spacing:1px}
.prov-card .nums{display:flex;gap:14px;margin-top:12px;font-size:12.5px;color:var(--t3)}
.prov-card .nums b{color:var(--blue);font-size:15px}
.prov-card .top-ind{margin-top:10px;font-size:12px;color:var(--t3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* clusters */
.cluster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cluster-card{background:var(--card);border:1px solid var(--border2);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:8px;transition:.15s}
.cluster-card:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.cluster-card .tag{align-self:flex-start;background:var(--blue-dim);color:var(--blue);border-radius:6px;padding:2px 9px;font-size:11.5px;font-weight:600}
.cluster-card h3{font-size:16.5px;font-weight:800}
.cluster-card .loc{font-size:12.5px;color:var(--t3)}
.cluster-card .desc{font-size:12.5px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.cluster-card .scale{font-size:13px;font-weight:700;color:var(--amber)}

/* products */
.prod-cloud{display:flex;flex-wrap:wrap;gap:9px}
.prod-cloud a{background:var(--card);border:1px solid var(--border2);border-radius:999px;padding:5px 14px;font-size:13.5px;color:var(--t2)}
.prod-cloud a:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-soft)}
.prod-cloud a b{color:var(--blue);font-size:11.5px;margin-inline-start:3px}

/* how it works */
.how-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.how-step{background:var(--card2);border:1px solid var(--border2);border-radius:var(--radius);padding:26px}
.how-step .num{font-size:15px;font-weight:800;color:var(--blue);background:var(--blue-dim);display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%}
.how-step h3{font-size:17px;margin:12px 0 6px}
.how-step p{font-size:13.5px;color:var(--t3)}

/* 城市 × 企业数分布图（没有地理 SVG 数据时的替代视图） */
.dist{padding:6px 4px 10px}
.dist-hint{font-size:12px;color:var(--t3);margin:2px 4px 12px}
.dist-row{display:grid;grid-template-columns:64px 1fr 44px minmax(0,240px);align-items:center;gap:12px;
  width:100%;background:transparent;border:0;border-radius:10px;padding:7px 8px;cursor:pointer;text-align:left;
  font-family:inherit;transition:background .15s}
.dist-row:hover{background:var(--blue-soft)}
.dist-name{font-size:13.5px;font-weight:700;color:var(--t1)}
.dist-bar{height:9px;background:var(--border);border-radius:99px;overflow:hidden}
.dist-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),#58b2dc);border-radius:99px}
.dist-num{font-size:13px;font-weight:800;color:var(--blue);text-align:right;font-variant-numeric:tabular-nums}
.dist-cty{font-size:11.5px;color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dist-empty{padding:24px;text-align:center;font-size:13px;color:var(--t3)}
@media(max-width:760px){
  .dist-row{grid-template-columns:52px 1fr 38px;gap:8px}
  .dist-cty{display:none}
  .visit-steps{grid-template-columns:1fr}
}

/* 首页「看厂对接」三步 */
.visit-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.visit-step{background:var(--card);border:1px solid var(--border2);border-radius:var(--radius);padding:20px}
.visit-step h3{font-size:16px;margin:0 0 8px;color:var(--blue-dark)}
.visit-step p{font-size:13px;color:var(--t3);line-height:1.6}
.pledge{margin-top:22px;text-align:center;font-size:14px;font-weight:700;color:var(--blue);background:var(--blue-soft);border-radius:10px;padding:14px}

/* regions page */
.prov-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px}
.prov-tabs button{border:1px solid var(--border);background:#fff;border-radius:999px;padding:7px 16px;font-size:14px;color:var(--t2);cursor:pointer}
.prov-tabs button.active{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.city-acc{border:1px solid var(--border2);border-radius:var(--radius);overflow:hidden;margin-bottom:14px;background:var(--card)}
.city-head{display:flex;align-items:center;gap:12px;padding:16px 20px;cursor:pointer;background:var(--card2)}
.city-head:hover{background:var(--blue-soft)}
.city-head h3{font-size:16px;font-weight:700;flex:1}
.city-head .cnt{font-size:12.5px;color:var(--t3)}
.city-head .arr{color:var(--t4);transition:.2s}
.city-acc.open .city-head .arr{transform:rotate(90deg)}
.city-body{display:none;padding:8px 20px 18px;border-top:1px solid var(--border2)}
.city-acc.open .city-body{display:block}
.county-row{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--border2);align-items:baseline}
.county-item:last-child .county-row{border-bottom:none}
.county-name{min-width:150px;font-weight:700;font-size:14px}
.county-name small{display:block;font-weight:400;color:var(--t4);font-size:11px}
.ind-chips{display:flex;flex-wrap:wrap;gap:6px}
.ind-chips span{background:var(--cyan-dim);color:var(--cyan);border-radius:999px;padding:2px 10px;font-size:12px}
/* 可点击的产业标签：点一下在下方展开该「区县 + 产业」的全部企业 */
.ind-chips button{background:var(--cyan-dim);color:var(--cyan);border:1px solid transparent;cursor:pointer;
  border-radius:999px;padding:2px 10px;font-size:12px;font-family:inherit;transition:.15s}
.ind-chips button:hover{border-color:var(--cyan);background:#fff}
.ind-chips button.on{background:var(--cyan);color:#fff;border-color:var(--cyan);font-weight:700}
.county-ents{display:none;margin:2px 0 12px;padding:14px 16px 4px;border-radius:12px;
  background:var(--card2);border:1px dashed var(--border2)}
.county-ents.open{display:block}
.county-ents .ce-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:10px}
.county-ents .ce-head b{font-size:14.5px;color:var(--t1)}
.county-ents .ce-head .ce-n{font-size:12.5px;color:var(--blue);background:var(--blue-dim);border-radius:999px;padding:2px 10px;font-weight:700}
.county-ents .ce-empty{font-size:13px;color:var(--t3);padding-bottom:10px}
.county-ents .ent-grid{grid-template-columns:repeat(2,1fr);gap:10px;padding-bottom:10px}
.county-ents .ent-card{padding:14px}
.key-city-star{color:var(--amber);font-size:12px;font-weight:700}

/* enterprises page */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.filter-bar input,.filter-bar select{border:1px solid var(--border);border-radius:9px;padding:10px 14px;font-size:14px;background:#fff;color:var(--t1)}
.filter-bar input{flex:1;min-width:220px}
.ent-note{background:var(--amber-dim);color:var(--amber);border-radius:10px;padding:12px 16px;font-size:13.5px;margin-bottom:18px}
.ent-count{font-size:13px;color:var(--t3);margin-bottom:12px}
.ent-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ent-card{background:var(--card);border:1px solid var(--border2);border-radius:var(--radius);padding:18px;transition:.15s}
a.ent-card{display:block;text-decoration:none;color:inherit;cursor:pointer}
a.ent-card:hover h3{color:var(--blue)}
.ent-card:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.ent-card h3{font-size:15.5px;font-weight:700;line-height:1.4}
.ent-card .loc{font-size:12.5px;color:var(--t3);margin-top:5px}
.ent-card .prods{font-size:12.5px;color:var(--t2);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ent-card .ver{display:inline-block;margin-top:10px;font-size:11px;color:var(--blue);background:var(--blue-dim);border-radius:6px;padding:2px 8px;font-weight:600}
.pager{display:flex;justify-content:center;gap:8px;margin-top:26px;flex-wrap:wrap}
.pager button{border:1px solid var(--border);background:#fff;border-radius:8px;padding:6px 13px;font-size:13.5px;cursor:pointer;color:var(--t2)}
.pager button.active{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}

/* join form */
.join-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:28px;align-items:start}
.join-info{background:var(--card2);border:1px solid var(--border2);border-radius:var(--radius);padding:26px}
.join-info h3{font-size:18px;margin-bottom:10px}
.join-info li{list-style:none;padding:8px 0 8px 24px;position:relative;font-size:14px;color:var(--t2)}
.join-info li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:800}
.join-form{background:var(--card);border:1px solid var(--border2);border-radius:var(--radius);padding:28px}
.join-form h3{font-size:18px;margin-bottom:16px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
.form-grid label{font-size:13px;font-weight:600;color:var(--t2);display:block;margin-bottom:5px}
.form-grid input,.form-grid select,.form-grid textarea{width:100%;border:1px solid var(--border);border-radius:9px;padding:10px 12px;font-size:14px;font-family:inherit;color:var(--t1);background:#fff}
.form-grid textarea{resize:vertical;min-height:84px}
.form-grid input:focus,.form-grid textarea:focus,.form-grid select:focus{outline:2px solid var(--blue-dim);border-color:var(--blue)}
.form-note{font-size:12.5px;color:var(--t3);margin-top:12px}
.form-sent{display:none;background:#e8f7ee;border:1px solid #b7e4c7;color:#14713d;border-radius:10px;padding:14px 16px;font-size:14px;margin-bottom:16px}

/* 表单防垃圾：数学验证码 + 蜜罐字段 */
.form-cap{grid-column:1/-1}
.form-cap>label{font-size:13px;font-weight:600;color:var(--t2);display:block;margin-bottom:5px}
.cap-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.cap-q{font-size:17px;font-weight:700;color:var(--t1);letter-spacing:.5px;min-width:74px;text-align:center;
  background:var(--bg2);border:1px solid var(--border);border-radius:9px;padding:9px 12px;
  font-variant-numeric:tabular-nums;user-select:none}
.cap-eq{font-size:17px;font-weight:700;color:var(--t3)}
.cap-row input{width:110px;border:1px solid var(--border);border-radius:9px;padding:10px 12px;font-size:14px;
  font-family:inherit;color:var(--t1);background:#fff;text-align:center}
.cap-row input:focus{outline:2px solid var(--blue-dim);border-color:var(--blue)}
.cap-refresh{border:1px solid var(--border);background:#fff;border-radius:9px;width:42px;height:42px;
  font-size:17px;line-height:1;color:var(--t2);cursor:pointer;flex:none}
.cap-refresh:hover{color:var(--blue);border-color:var(--blue)}
.cap-err{font-size:12.5px;color:#b91c1c;margin-top:6px}
/* 蜜罐：人看不见。故意不用 display:none —— 那太容易被机器人识别并跳过 */
.cap-trap{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0;pointer-events:none}

/* about */
.about-block{background:var(--card);border:1px solid var(--border2);border-radius:var(--radius);padding:26px;margin-bottom:18px}
.about-block h2{font-size:20px;margin-bottom:12px}
.about-block p,.about-block li{font-size:14.5px;color:var(--t2)}
.about-block ul{padding-inline-start:20px}

/* search results */
.search-res-group{margin-bottom:26px}
.search-res-group h3{font-size:15px;color:var(--t3);margin-bottom:10px;font-weight:700}
.res-item{padding:10px 0;border-bottom:1px dashed var(--border2)}
.res-item b{color:var(--blue)}

/* footer */
.site-footer{background:#0f1b3d;color:#c7d2e8;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-top:44px;padding-bottom:32px}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text small{color:#8fa3c8}
.site-footer h4{font-size:13px;letter-spacing:1px;color:#8fa3c8;margin-bottom:12px}
.site-footer ul{list-style:none}
.site-footer li{padding:4px 0;font-size:13.5px}
.site-footer a:hover{color:#fff}
.footer-tag{font-size:12.5px;color:#8fa3c8;margin-top:14px;max-width:280px}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding-top:18px;padding-bottom:22px;font-size:12px;color:#8fa3c8}

/* responsive */
@media(max-width:1024px){
  .stats-band{grid-template-columns:repeat(3,1fr)}
  .prov-grid,.cluster-grid{grid-template-columns:repeat(2,1fr)}
  .hero{padding:52px 32px}
  .hero h1{font-size:34px}
  .join-layout{grid-template-columns:1fr}
}
/* 导航 + 页头按钮在 761~980px 之间放不下：提前把导航收进汉堡菜单。
   （只按 760px 收的话，中间档会溢出、主 CTA 被挤出屏幕） */
@media(max-width:980px){
  .main-nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);flex-direction:column;padding:14px 24px;gap:4px}
  .main-nav.open{display:flex}
  .main-nav a{padding:10px 0;border-bottom:none}
  .nav-toggle{display:block}
  .btn-ghost{display:none}
}
@media(max-width:760px){
  .entry-cards,.how-steps,.ent-grid{grid-template-columns:1fr}
  .prov-grid,.cluster-grid{grid-template-columns:1fr}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
  .hero{padding:40px 22px}
  .hero h1{font-size:27px}
  .county-row{flex-direction:column;gap:5px}
  .county-name{min-width:0}
  .header-inner{gap:12px}
  .footer-grid{grid-template-columns:1fr 1fr}
}

/* ===== interactive province map ===== */
.map-wrap{background:linear-gradient(180deg,#f8fafc,#f1f5f9);border:1px solid var(--border);border-radius:14px;padding:14px 14px 6px;margin:0 0 24px;position:relative;overflow:hidden}
.map-wrap::before{content:"";position:absolute;inset:-40%;background:repeating-radial-gradient(circle at 30% 60%,rgba(29,78,216,.04) 0 2px,transparent 2px 90px);pointer-events:none}
.map-hint{font-size:13px;color:var(--t3);margin-bottom:6px;position:relative}
#nf-map svg{width:100%;height:auto;display:block;position:relative}
#nf-map .mv, #home-map .mv, .ov-map .mv{fill:#fff;stroke:#b6c2d4;stroke-width:1;cursor:pointer;transition:fill .18s ease,stroke .18s ease;vector-effect:non-scaling-stroke}
#nf-map .mv.hov, #home-map .mv.hov, .ov-map .mv.hov{fill:#dbeafe;stroke:var(--blue)}
#nf-map .mv.sel, #home-map .mv.sel, .ov-map .mv.sel{fill:#bfdbfe;stroke:var(--blue);stroke-width:1.6}
#nf-map text, #home-map text, .ov-map text{font-size:13px;font-weight:600;fill:#475569;pointer-events:none;paint-order:stroke;stroke:rgba(255,255,255,.85);stroke-width:3px}
#nf-map circle, #home-map circle, .ov-map circle{fill:var(--blue);opacity:.85;pointer-events:none;animation:nfpulse 2.6s ease-in-out infinite}
.ov-map{width:100%;height:auto;display:block;max-height:380px;margin:0 auto}
.ov-map text{font-size:15px}
@keyframes nfpulse{0%,100%{opacity:.85}50%{opacity:.35}}
.city-acc.flash .city-head{animation:accflash 1.2s ease}
@keyframes accflash{0%{background:#dbeafe}100%{background:transparent}}

/* ===== home compact map ===== */
.map-wrap.home{max-width:720px;margin:0 auto 4px;padding:10px 10px 4px}
.map-wrap.home #home-map svg{width:100%;height:auto;max-height:330px;margin:0 auto;display:block}
.map-wrap.home #home-map text{font-size:14px}
@media(max-width:640px){
  /* 全国地图是近正方形：小屏让它按比例缩，别用 max-height 去压（压了会两侧留白、地图变小） */
  .map-wrap.home #home-map text{font-size:16px}
  .map-wrap.home #home-map .blb{display:none}
}

/* ===== overview panel + beijing + red dots ===== */
.home-map-flex{display:flex;gap:16px;align-items:flex-start;position:relative}
.map-wrap.home #home-map{flex:1;min-width:0}
.ov-panel{width:250px;flex-shrink:0;max-height:390px;overflow:auto;background:#fff;border:1px solid var(--border);border-radius:12px;padding:8px;display:flex;flex-direction:column;gap:4px}
.ov-panel .ov-item{padding:8px 10px;border-radius:9px;cursor:pointer;text-decoration:none;display:block;transition:background .15s}
.ov-panel .ov-item:hover{background:#eff6ff}
.ov-panel h4{font-size:14px;margin:0 0 4px;color:var(--t1)}
.ov-chips{display:flex;flex-wrap:wrap;gap:4px}
.ov-chips span{font-size:11px;color:var(--blue);background:#eff6ff;border:1px solid #bfdbfe;border-radius:999px;padding:1px 8px;white-space:nowrap}
.ov-map .bjpg{fill:#e2e5ea;stroke:#c6ccd6;stroke-width:1;pointer-events:none;vector-effect:non-scaling-stroke}
.ov-map .bjlb{fill:#94a3b8;font-weight:600;pointer-events:none}
#nf-map circle, #home-map circle, .ov-map circle{fill:#ef4444}
@media(max-width:760px){.home-map-flex{flex-direction:column}.ov-panel{width:100%;max-height:none}}

/* ===== 首页总览：完整中国底图 + 六省高亮 ===== */
/* 底图（全部省界）只做背景，不抢鼠标事件 */
.ov-map .basepg{fill:#e8edf4;stroke:#c6d1e0;stroke-width:.7;pointer-events:none;vector-effect:non-scaling-stroke}
/* 南海诸岛 / 九段线：比底图深一档，保证在图上看得见（漏绘 = 地图不合规） */
.ov-map .nhpg{fill:#a9b8cc;stroke:#8296ad;stroke-width:.5;pointer-events:none;vector-effect:non-scaling-stroke}
#home-map .nhlb{font-size:10.5px;font-weight:600;fill:#7b8ea6;pointer-events:none;
  paint-order:stroke;stroke:rgba(255,255,255,.92);stroke-width:2.4px}
/* 底图上的省名：浅灰小字，只是让地图读得出来 */
#home-map .blb{font-size:11px;font-weight:500;fill:#9aa8ba;pointer-events:none;
  paint-order:stroke;stroke:rgba(255,255,255,.92);stroke-width:2.6px}
/* 六个重点省：淡蓝底 + 蓝边，明显区别于灰色底图 */
#home-map .mv{fill:#c9defb;stroke:#1d4ed8;stroke-width:1.1;cursor:pointer}
#home-map .mv.hov{fill:#a9c9f8;stroke:#1d4ed8}
#home-map .mv.sel{fill:#8fb8f5;stroke:#1d4ed8;stroke-width:1.6}
/* 重点省的省名：深蓝加粗 */
#home-map .mlb{font-size:14px;font-weight:800;fill:#123a86}

/* ===== overview panel v2 (reference style) ===== */
.map-wrap.home{max-width:960px;padding:16px}
.map-wrap.home #home-map svg{width:100%;height:auto;max-height:none}
.ov-panel{width:300px;max-height:560px;padding:0;border-radius:14px;box-shadow:0 1px 3px rgba(15,23,42,.06)}
.ov-head{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--border)}
.ov-head h4{font-size:16px;font-weight:800;margin:0;color:var(--t1)}
.ov-head a{font-size:12px;color:var(--blue);text-decoration:none;font-weight:600}
.ov-panel .ov-item{display:flex;align-items:center;gap:10px;padding:11px 14px;border-bottom:1px solid #f1f5f9;border-radius:0}
.ov-panel .ov-item:last-child{border-bottom:none}
.ov-l{min-width:78px;flex-shrink:0}
.ov-l b{font-size:15px;font-weight:700;display:block;color:var(--t1)}
.ov-l small{font-size:11px;color:var(--t4)}
.ov-chips{flex:1;display:flex;flex-wrap:wrap;gap:4px;justify-content:flex-end}
.ov-chips span{font-size:12px;color:#1d4ed8;background:#f0f6ff;border:1px solid #d6e4ff;border-radius:999px;padding:2px 9px;white-space:nowrap}
.ov-arr{color:#cbd5e1;font-size:20px;flex-shrink:0;line-height:1}

/* dots: blue, smaller pulse */
#nf-map circle, #home-map circle, .ov-map circle{fill:var(--blue);r:2.6}

/* ===== Made in North WP 主题附加：服务端渲染引导区 ===== */
.min-intro{background:linear-gradient(120deg,#f0f5ff 0%,#e8f0fe 100%);border-bottom:1px solid #dbe5f7;padding:22px 0 18px;margin-top:0}
.min-intro h1{font-size:24px;line-height:1.3;margin:0 0 6px;color:#0d2158;font-weight:800}
.min-intro p{font-size:14px;color:#475569;margin:0;max-width:860px;line-height:1.6}
@media (max-width:768px){.min-intro h1{font-size:19px}.min-intro p{font-size:13px}}

/* ===== 文章单页（产业集群 / 源头工厂） ===== */
.min-single{padding:34px 20px 50px;max-width:900px}
.min-crumb{font-size:13px;color:#64748b;margin-bottom:14px}
.min-crumb a{color:#1d4ed8;text-decoration:none}
.min-single-title{font-size:28px;line-height:1.3;color:#0d2158;margin:0 0 8px;font-weight:800}
.min-single-title .min-en{font-size:19px;color:#475569;font-weight:600}
.min-single-meta{font-size:13px;color:#94a3b8;margin-bottom:22px;padding-bottom:14px;border-bottom:1px solid #e2e8f0}
.min-single-content{font-size:15px;line-height:1.85;color:#1e293b}
.min-single-content h2{font-size:20px;margin:26px 0 10px;color:#0d2158}
.min-single-content h3{font-size:16px;margin:22px 0 8px;color:#334155}
.min-single-content p{margin:8px 0}
.min-single-content a{color:#1d4ed8}
.nf-loc{color:#475569;font-size:14px}

/* ===== Facebook 留言（无 WhatsApp）===== */
.btn-fb{display:inline-flex;align-items:center;gap:6px;background:#1877F2;color:#fff!important;
  border:none;border-radius:9px;padding:8px 13px;font-size:13px;font-weight:700;text-decoration:none;
  box-shadow:0 2px 8px rgba(24,119,242,.35);transition:transform .15s,box-shadow .15s;white-space:nowrap}
.btn-fb:hover{transform:translateY(-1px);box-shadow:0 4px 14px rgba(24,119,242,.5)}
.wa-link{color:var(--t2,#555)!important;font-weight:600}
.wa-link:hover{color:#1877F2!important}
#wa-float{position:fixed;right:18px;bottom:20px;z-index:9999;display:flex;align-items:center;gap:9px;
  background:#1877F2;color:#fff!important;text-decoration:none;font-weight:700;font-size:14px;
  padding:12px 18px 12px 14px;border-radius:999px;box-shadow:0 6px 20px rgba(24,119,242,.45);
  transition:transform .18s,box-shadow .18s;animation:waPulse 2.6s ease-out infinite}
#wa-float:hover{transform:scale(1.06);box-shadow:0 8px 26px rgba(24,119,242,.6);animation:none}
@keyframes waPulse{0%{box-shadow:0 6px 20px rgba(24,119,242,.45),0 0 0 0 rgba(24,119,242,.42)}
  70%{box-shadow:0 6px 20px rgba(24,119,242,.45),0 0 0 16px rgba(24,119,242,0)}
  100%{box-shadow:0 6px 20px rgba(24,119,242,.45),0 0 0 0 rgba(24,119,242,0)}}
@media (max-width:720px){
  #wa-float span{display:none}
  #wa-float{padding:14px;right:14px;bottom:16px}
  /* 窄屏：Facebook 按钮也只留图标（.wa-txt 已随页头按钮一起删掉，这条防的是
     页面里 fbCTA() 生成的那种带文字按钮） */
  .btn-fb{padding:8px 10px}
}
.wa-cta{margin:26px 0 8px;border:2px solid #1877F2;border-radius:14px;background:linear-gradient(90deg,rgba(24,119,242,.08),rgba(24,119,242,.02));
  padding:20px 22px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between}
.wa-cta p{margin:0;font-weight:700;font-size:15px;color:#0b5fce}
.wa-cta .btn-fb{font-size:15px;padding:10px 18px}
@media (max-width:720px){.wa-cta{flex-direction:column;text-align:center}}

/* ============================================================
   本地静态版适配
   1) 主视觉：默认用渐变模拟"北方产业"场景。
      想换成真实照片，把图片放到 assets/img/ 后取消下面 :root 里
      --hero1/2/3 的注释即可（也可直接写远程 URL）。
   2) 搜索高亮 / 无障碍 / 打印微调
   ============================================================ */
:root{
  /* --hero1:url("../img/hero-farm.jpg");   农田 */
  /* --hero2:url("../img/hero-farmer.jpg"); 农户 */
  /* --hero3:url("../img/hero-worker.jpg"); 工厂 */
}
.hero{background:#0d2158}
.hero h1{text-shadow:0 2px 18px rgba(0,0,0,.25)}
/* 省份地图：原站按容器全宽渲染（河北约 1170×1550px，山西更高），文字被放大到 ~20px、
   页面被拉得很长。这里把宽度限制在接近 viewBox 设计宽度（800），
   文字稳定在 ~15px，各省大小一致。想恢复原站效果删掉这两条即可。 */
#nf-map svg{max-width:820px;width:100%;height:auto;margin:0 auto}
#nf-map text{font-size:15px}
mark{background:#ffe58f;color:inherit;border-radius:3px;padding:0 2px}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* ===== 企业详情页（对应原站 /factory-xxx-nnn/ 单页）===== */
.ent-detail{max-width:940px}
.ent-crumb{font-size:13px;color:var(--t3);margin-bottom:14px;line-height:1.9}
.ent-crumb a{color:var(--blue)}
.ent-crumb a:hover{text-decoration:underline}
.ent-detail h1{font-size:27px;line-height:1.34;font-weight:800;color:var(--blue-deep);margin:0 0 10px}
.ent-detail .ent-loc{font-size:14.5px;color:var(--t2);line-height:1.7}
.ent-detail .ent-loc .en{display:block;font-size:12.5px;color:var(--t4);margin-top:2px}
.ent-detail .ent-meta{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 4px;padding-bottom:18px;border-bottom:1px solid var(--border2)}
.ent-detail .ent-meta span{background:var(--blue-dim);color:var(--blue);border-radius:999px;padding:4px 14px;font-size:13px;font-weight:600}
.ent-detail h2{font-size:19px;font-weight:800;color:var(--blue-deep);margin:26px 0 10px}
.ent-detail p{font-size:14.5px;color:var(--t2);line-height:1.85;margin:9px 0}
.ent-detail a{color:var(--blue)}
.ent-detail .ent-grid{margin-top:4px}
.ent-detail .ent-back{margin-top:30px;padding-top:20px;border-top:1px solid var(--border2)}

/* ===== 404 ===== */
.notfound{max-width:620px;padding:40px 0 20px}
.notfound .nf-code{font-size:76px;font-weight:800;line-height:1;color:var(--blue);opacity:.18;letter-spacing:-2px}
.notfound h1{font-size:26px;font-weight:800;color:var(--blue-deep);margin:-14px 0 12px}
.notfound p{font-size:14.5px;color:var(--t2);line-height:1.8;margin:10px 0}
.notfound .nf-path{font-family:Consolas,Monaco,monospace;font-size:13px;color:var(--t3);background:var(--bg2);border:1px solid var(--border2);border-radius:8px;padding:9px 13px;word-break:break-all}
.notfound .nf-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.notfound .nf-tip{margin-top:18px;font-size:13.5px;color:var(--t3)}
.notfound .nf-tip #nf-count{display:inline-block;min-width:20px;font-weight:800;color:var(--blue-deep)}
@media(max-width:760px){.ent-detail h1{font-size:21px}.notfound .nf-code{font-size:56px}}

@media print{.site-header,.site-footer,#wa-float,.map-wrap{display:none}}