/* ============================================================
   川发科技·南京站 样式表（原型 A 分屏 Hero · 生态青绿 + 柠檬草绿）
   类前缀 cfnj-；零内联 style；视觉令牌集中在 :root
   ============================================================ */
:root{
  --ink:#23383A;
  --heading:#10322C;
  --muted:#5C736F;
  --primary:#0F8A6A;
  --primary-2:#0C6E55;
  --accent:#7AC74F;
  --bg:#FFFFFF;
  --bg-alt:#F1F7F4;
  --line:#DDE9E4;
  --band:linear-gradient(135deg,#0B4B3F,#0F8A6A);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 12px 30px rgba(15,60,50,.10);
  --shadow-hover:0 18px 42px rgba(15,60,50,.16);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body.cfnj-body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.78;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;}
h1,h2,h3{color:var(--heading);line-height:1.32;margin:0;font-weight:700;}
p{margin:0 0 12px;}

/* ---------- 顶栏 ---------- */
.cfnj-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.cfnj-header__inner{max-width:1180px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:18px;}
.cfnj-brand{display:flex;align-items:center;gap:14px;}
.cfnj-brand__logo{display:block;}
.cfnj-brand__img{height:42px;width:auto;border-radius:10px;}
.cfnj-brand__title{display:flex;flex-direction:column;line-height:1.25;border-left:1px solid var(--line);padding-left:14px;}
.cfnj-brand__name{font-size:22px;font-weight:800;color:var(--heading);white-space:nowrap;}
.cfnj-brand__meta{font-size:12.5px;color:var(--muted);white-space:nowrap;}
.cfnj-brand__meta b{color:var(--primary);}
.cfnj-nav{display:flex;gap:4px;margin-left:auto;}
.cfnj-nav__link{padding:9px 15px;border-radius:999px;color:var(--ink);font-size:15px;font-weight:500;transition:.2s;}
.cfnj-nav__link:hover{background:var(--bg-alt);color:var(--primary-2);}
.cfnj-nav__link--on{background:var(--band);color:#fff;}
.cfnj-header__tel{margin-left:10px;padding:9px 18px;border-radius:999px;background:var(--bg-alt);color:var(--primary-2);font-weight:700;white-space:nowrap;}
.cfnj-burger{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:8px;margin-left:auto;}
.cfnj-burger span{width:24px;height:2px;background:var(--heading);display:block;border-radius:2px;}

/* ---------- 移动抽屉 ---------- */
.cfnj-drawer{position:fixed;top:0;right:0;height:100%;width:290px;max-width:84vw;background:#fff;z-index:60;transform:translateX(100%);transition:transform .28s ease;box-shadow:-12px 0 34px rgba(15,60,50,.2);padding:22px;display:flex;flex-direction:column;gap:14px;}
.cfnj-drawer.is-open{transform:translateX(0);}
.cfnj-drawer__head{display:flex;justify-content:space-between;align-items:center;font-weight:700;color:var(--heading);}
.cfnj-drawer__close{background:none;border:none;font-size:28px;cursor:pointer;color:var(--muted);line-height:1;}
.cfnj-drawer__nav{display:flex;flex-direction:column;gap:4px;}
.cfnj-drawer__link{padding:12px 14px;border-radius:var(--radius-sm);color:var(--ink);font-weight:500;background:var(--bg-alt);}
.cfnj-drawer__tel{margin-top:auto;background:var(--band);color:#fff;text-align:center;padding:13px;border-radius:999px;font-weight:600;}
.cfnj-scrim{position:fixed;inset:0;background:rgba(11,44,38,.45);z-index:55;opacity:0;visibility:hidden;transition:.28s;}
.cfnj-scrim.is-open{opacity:1;visibility:visible;}
body.cfnj-noscroll{overflow:hidden;}
.cfnj-shell{overflow:hidden;}

/* ---------- Hero（A 分屏） ---------- */
.cfnj-hero{background:var(--band);color:#fff;padding:76px 20px 84px;}
.cfnj-hero--sub{padding:58px 20px 60px;text-align:center;}
.cfnj-hero__inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.cfnj-hero--sub .cfnj-hero__inner{display:block;max-width:860px;}
.cfnj-hero__badge{display:inline-block;padding:6px 16px;border:1px solid rgba(255,255,255,.5);border-radius:999px;font-size:13px;letter-spacing:2px;margin-bottom:18px;}
.cfnj-hero__title{font-size:clamp(28px,4.4vw,44px);color:#fff;margin:0 0 16px;font-weight:800;letter-spacing:.5px;}
.cfnj-hero__sub{font-size:17px;opacity:.94;margin:0 0 14px;max-width:620px;}
.cfnj-hero__meta{font-size:14.5px;opacity:.88;margin-bottom:26px;}
.cfnj-hero__actions{display:flex;gap:14px;flex-wrap:wrap;}
.cfnj-hero--sub .cfnj-hero__actions{justify-content:center;}
.cfnj-hero__figure{margin:0;background:#fff;padding:12px;border-radius:var(--radius);box-shadow:0 22px 48px rgba(8,40,34,.28);}
.cfnj-hero__figure img{width:100%;border-radius:12px;}

/* ---------- 按钮 ---------- */
.cfnj-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;transition:.2s;cursor:pointer;border:1px solid transparent;}
.cfnj-btn--primary{background:var(--primary);color:#fff;}
.cfnj-btn--primary:hover{background:var(--primary-2);}
.cfnj-btn--outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.cfnj-btn--outline:hover{background:var(--bg-alt);}
.cfnj-btn--light{background:#fff;color:var(--primary-2);}
.cfnj-btn--ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.cfnj-btn--lg{padding:15px 32px;font-size:16px;}

/* ---------- 区块 ---------- */
.cfnj-sec{padding:70px 20px;}
.cfnj-sec--alt{background:var(--bg-alt);}
.cfnj-sec--band{background:var(--band);color:#fff;}
.cfnj-sec--band .cfnj-sec__title,.cfnj-sec--band .cfnj-sec__eyebrow,.cfnj-sec--band .cfnj-sec__lead{color:#fff;}
.cfnj-sec--band .cfnj-sec__lead{opacity:.92;}
.cfnj-sec__inner{max-width:1140px;margin:0 auto;}
.cfnj-sec__head{margin-bottom:36px;}
.cfnj-sec__head--center{text-align:center;}
.cfnj-sec__eyebrow{display:inline-block;font-size:13px;letter-spacing:3px;color:var(--primary);font-weight:700;text-transform:uppercase;}
.cfnj-sec__title{font-size:clamp(22px,3vw,32px);margin:10px 0 12px;}
.cfnj-sec__lead{color:var(--muted);max-width:780px;font-size:16px;}
.cfnj-sec__head--center .cfnj-sec__lead{margin-left:auto;margin-right:auto;}
.cfnj-sec__cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:8px;}
.cfnj-sec__phone{display:inline-block;font-size:clamp(26px,4vw,38px);font-weight:800;color:var(--primary);margin:10px 0 18px;letter-spacing:1px;}
.cfnj-sec--band .cfnj-sec__phone{color:#fff;}

/* ---------- 数据条（A 负边距悬浮） ---------- */
.cfnj-metrics{max-width:1140px;margin:-52px auto 0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 20px;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:18px;text-align:center;position:relative;z-index:5;}
.cfnj-metric__num{font-size:32px;font-weight:800;color:var(--primary);}
.cfnj-metric__unit{font-size:15px;margin-left:2px;color:var(--primary-2);}
.cfnj-metric__label{color:var(--muted);font-size:14px;}

/* ---------- 关于 ---------- */
.cfnj-about{max-width:880px;margin:0 auto;}
.cfnj-about__full{max-height:250px;overflow:hidden;transition:max-height .35s ease;position:relative;-webkit-mask-image:linear-gradient(180deg,#000 78%,transparent);mask-image:linear-gradient(180deg,#000 78%,transparent);}
.cfnj-about__full.is-open{max-height:none;-webkit-mask-image:none;mask-image:none;}
.cfnj-about__full p{margin:0 0 12px;}
.cfnj-about__full img{display:none;}
.cfnj-about__toggle{margin:14px 0 0;}
.cfnj-about__btn{background:none;border:none;color:var(--primary);font-weight:600;cursor:pointer;font-size:14.5px;}
.cfnj-about__arr{color:var(--accent);}
.cfnj-quote{margin:26px auto 0;max-width:840px;border-left:4px solid var(--accent);background:var(--bg-alt);padding:18px 24px;border-radius:0 var(--radius) var(--radius) 0;font-size:17px;color:var(--heading);}

/* ---------- 卡片（服务/优势/流程） ---------- */
.cfnj-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:22px;}
.cfnj-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:.22s;}
.cfnj-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent);}
.cfnj-card__ico{width:46px;height:46px;border-radius:14px;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:22px;}
.cfnj-card__title{font-size:19px;margin:0 0 10px;}
.cfnj-card__title a{color:var(--heading);}
.cfnj-card__desc{color:var(--muted);font-size:14.5px;margin-bottom:12px;}
.cfnj-card__more{color:var(--primary);font-weight:600;font-size:14px;}
.cfnj-card__media img{width:100%;border-radius:var(--radius-sm);margin-bottom:14px;}

/* ---------- 流程（A 步骤条） ---------- */
.cfnj-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px;counter-reset:step;}
.cfnj-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative;}
.cfnj-step__no{width:38px;height:38px;border-radius:50%;background:var(--band);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:12px;}
.cfnj-step__title{font-size:17px;margin-bottom:8px;}
.cfnj-step__desc{color:var(--muted);font-size:14px;}

/* ---------- 图片画廊 ---------- */
.cfnj-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:8px;}
.cfnj-gallery__item{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.cfnj-gallery__item img{width:100%;height:180px;object-fit:cover;}
.cfnj-gallery__cap{padding:12px 16px;font-size:14.5px;font-weight:600;color:var(--heading);text-align:center;}

/* ---------- 列表 ---------- */
.cfnj-list{list-style:none;padding:0;margin:0;display:grid;gap:16px;}
.cfnj-list__item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.cfnj-list__link{font-size:18px;font-weight:600;color:var(--heading);}
.cfnj-list__link:hover{color:var(--primary);}
.cfnj-list__date{display:block;color:var(--muted);font-size:13px;margin:6px 0;}
.cfnj-list__desc{color:var(--muted);font-size:14px;margin:0 0 10px;}
.cfnj-list__area{display:inline-block;background:var(--bg-alt);color:var(--primary-2);font-size:12px;padding:4px 12px;border-radius:999px;}

/* ---------- 双栏 ---------- */
.cfnj-layout{max-width:1140px;margin:0 auto;padding:56px 20px;display:grid;grid-template-columns:1fr 320px;gap:34px;align-items:start;}
.cfnj-post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);}
.cfnj-post__title{font-size:25px;margin:0 0 12px;}
.cfnj-post__meta{color:var(--muted);font-size:14px;margin-bottom:18px;}
.cfnj-post__body{color:var(--ink);}
.cfnj-post__body :where(h2,h3){margin:22px 0 10px;}
.cfnj-post__body :where(ul,ol){padding-left:22px;}
.cfnj-post__body img{max-width:100%;border-radius:12px;margin:14px 0;}
.cfnj-post__share{margin-top:18px;font-size:13px;color:var(--muted);border-top:1px dashed var(--line);padding-top:14px;}
.cfnj-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.cfnj-side__title{font-size:17px;margin:0 0 12px;color:var(--heading);}
.cfnj-side__title:not(:first-child){margin-top:22px;}
.cfnj-side__list{list-style:none;padding:0;margin:0;display:grid;gap:9px;}
.cfnj-side__item{font-size:14px;color:var(--ink);}
.cfnj-side__item a{display:block;padding:10px 12px;border-radius:var(--radius-sm);background:var(--bg-alt);color:var(--ink);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.cfnj-side__item a:hover{color:var(--primary-2);}
.cfnj-side__empty{color:var(--muted);font-size:14px;}
.cfnj-side__more{display:inline-block;margin-top:12px;color:var(--primary);font-weight:600;font-size:14px;}

/* ---------- 服务详情第一屏 ---------- */
.cfnj-prodhero{max-width:1140px;margin:0 auto;padding:56px 20px 8px;display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start;}
.cfnj-prodhero__media img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);}
.cfnj-prodhero__kicker{display:inline-block;color:var(--accent);background:var(--heading);padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:2px;}
.cfnj-prodhero__title{font-size:clamp(23px,3.4vw,33px);margin:12px 0 14px;}
.cfnj-prodhero__desc{color:var(--muted);margin-bottom:18px;}
.cfnj-prodhero__list{list-style:none;padding:0;display:grid;gap:8px;margin:0 0 22px;}
.cfnj-prodhero__list li{background:var(--bg-alt);border-left:3px solid var(--primary);padding:9px 14px;border-radius:0 10px 10px 0;font-size:14px;}
.cfnj-prodhero__cta{display:flex;gap:12px;flex-wrap:wrap;}
.cfnj-prodshow{padding-top:24px;}

/* ---------- FAQ ---------- */
.cfnj-faq{max-width:900px;margin:0 auto;display:grid;gap:12px;}
.cfnj-faq__item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:0 24px;}
.cfnj-faq__item summary{cursor:pointer;padding:18px 0;font-weight:600;color:var(--heading);list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;font-size:16px;}
.cfnj-faq__item summary::-webkit-details-marker{display:none;}
.cfnj-faq__item summary::after{content:"+";color:var(--primary);font-size:24px;font-weight:700;line-height:1;}
.cfnj-faq__item[open] summary::after{content:"\2212";}
.cfnj-faq__body{padding:0 0 18px;color:var(--muted);font-size:15px;}

/* ---------- 分站/伙伴 ---------- */
.cfnj-city{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;}
.cfnj-city__item{display:flex;flex-direction:column;gap:2px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;box-shadow:var(--shadow);}
.cfnj-city__item--fold{display:none;}
.cfnj-city.is-expanded .cfnj-city__item--fold{display:flex;}
.cfnj-city__region{font-weight:700;color:var(--heading);}
.cfnj-city__site{font-size:13px;color:var(--muted);}
.cfnj-city__more{margin:22px auto 0;display:block;background:none;border:1px solid var(--primary);color:var(--primary);padding:10px 26px;border-radius:999px;cursor:pointer;font-weight:600;}
.cfnj-partners{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
.cfnj-partners__item{background:#fff;border:1px solid rgba(255,255,255,.28);color:#fff;padding:8px 16px;border-radius:999px;font-size:14px;}
.cfnj-partners__item:hover{border-color:var(--accent);color:var(--accent);}
.cfnj-sec--band .cfnj-sec__title{color:#fff;}
.cfnj-mt{margin-top:26px;}

/* ---------- 标签 ---------- */
.cfnj-tags{display:flex;flex-wrap:wrap;gap:10px;}
.cfnj-tags__item{background:var(--bg-alt);border:1px solid var(--line);color:var(--ink);padding:7px 15px;border-radius:999px;font-size:13.5px;}
.cfnj-panel{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.cfnj-panel__title{font-size:18px;margin-bottom:10px;}
.cfnj-panel__body{color:var(--muted);font-size:14.5px;}

/* ---------- 联系/表单 ---------- */
.cfnj-cta{text-align:center;}
.cfnj-contact{display:grid;gap:2px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.cfnj-contact__row{display:grid;grid-template-columns:120px 1fr;gap:14px;padding:14px 22px;border-bottom:1px solid var(--line);}
.cfnj-contact__row:last-child{border-bottom:0;}
.cfnj-contact__k{color:var(--muted);font-size:14px;}
.cfnj-contact__v{color:var(--heading);font-weight:600;font-size:15px;}
.cfnj-formwrap{max-width:640px;margin:0 auto;}
.cfnj-form{display:grid;gap:16px;margin-top:24px;}
.cfnj-form__row{display:grid;gap:6px;}
.cfnj-form__label{font-size:14px;font-weight:600;color:var(--heading);}
.cfnj-form__input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;font-size:15px;color:var(--ink);font-family:inherit;}
.cfnj-form__input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,138,106,.14);}

/* ---------- 分页 ---------- */
.pagination{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:34px 0 0;padding:0;list-style:none;}
.pagination a,.pagination span{display:inline-block;padding:9px 15px;border:1px solid var(--line);border-radius:999px;color:var(--ink);font-size:14px;background:#fff;}
.pagination a:hover{border-color:var(--primary);color:var(--primary);}
.pagination .current,.pagination span.current{background:var(--primary);border-color:var(--primary);color:#fff;}

/* ---------- 底部 ---------- */
.cfnj-foot{background:var(--heading);color:#e8f2ef;padding:52px 20px;}
.cfnj-foot__inner{max-width:1140px;margin:0 auto;display:grid;gap:20px;}
.cfnj-foot__brand img{height:40px;border-radius:10px;background:#fff;padding:4px;}
.cfnj-foot__name{font-size:18px;font-weight:700;margin:8px 0 4px;color:#fff;}
.cfnj-foot__site{color:var(--accent);font-size:13px;font-weight:500;}
.cfnj-foot__tel a{color:var(--accent);font-size:22px;font-weight:800;}
.cfnj-foot__desc{color:#b9cfc9;font-size:13.5px;margin:6px 0 0;}
.cfnj-foot__subs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.cfnj-foot__subslabel{color:#9fb8b2;font-size:14px;}
.cfnj-foot__subslink{color:#fff;background:rgba(255,255,255,.1);padding:5px 13px;border-radius:999px;font-size:13px;}
.cfnj-foot__subslink:hover{background:rgba(255,255,255,.22);}
.cfnj-foot__nap p{margin:4px 0;color:#cfe0db;font-size:13px;}
.cfnj-foot__legal{color:#9fb8b2;font-size:13px;border-top:1px solid rgba(255,255,255,.14);padding-top:16px;}
.cfnj-foot__legal p{margin:4px 0;}
.cfnj-foot__links a{color:var(--accent);}

/* ---------- 语义容器 / 无样式钩子 ---------- */
.cfnj-main{display:block;}
.cfnj-hero__text{min-width:0;}
.cfnj-prodhero__info{min-width:0;}
.cfnj-metric{min-width:0;}
.cfnj-about__txt{white-space:nowrap;}
.cfnj-city__moretxt{white-space:nowrap;}
.cfnj-drawer__name{font-weight:700;}
.cfnj-brand__logo{display:block;flex:0 0 auto;}
.cfnj-brand__meta b{font-weight:700;}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .cfnj-nav,.cfnj-header__tel{display:none;}
  .cfnj-burger{display:inline-flex;}
  .cfnj-hero__inner{grid-template-columns:1fr;gap:28px;}
  .cfnj-layout,.cfnj-prodhero{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .cfnj-brand__img{height:34px;}
  .cfnj-brand__name{font-size:17px;}
  .cfnj-brand__meta{font-size:11px;}
  .cfnj-brand__title{padding-left:10px;}
  .cfnj-hero{padding:52px 16px 60px;}
  .cfnj-sec{padding:48px 16px;}
  .cfnj-metrics{margin-top:-40px;padding:20px 14px;}
  .cfnj-contact__row{grid-template-columns:1fr;gap:4px;}
  .cfnj-mobilebar{display:flex;}
}