/* ═══════════════════════════════════════════════════
   梵林科技官网 V7 — 现代时尚化(多页站点,全页共享样式)
   世界:暖纸 #F5F2EC + 墨黑 + 暮色大图;黑通栏节奏
   品牌:克莱因蓝 #0B3E8F / 薄荷绿 #52C5A8
   ═══════════════════════════════════════════════════ */
:root{
  --paper:#F5F2EC;
  --paper-2:#FBFAF6;
  --ink:#14171A;
  --ink-2:#454B50;
  --ink-3:#7C838A;
  --deep:#12160F;
  --blue:#0B3E8F;
  --blue-deep:#082D68;
  --mint:#52C5A8;
  --mint-text:#177A63;
  --line:#E4DFD3;
  --line-2:#D6D0C0;
  --radius:14px;
  --shadow:0 18px 44px rgba(20,23,26,.09);
  --sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --serif:Georgia,"Times New Roman",serif;
  --mono:"JetBrains Mono","SF Mono",Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.container{width:min(1280px,90%);margin:0 auto}
.section{padding:110px 0}

/* ── 通用组件 ── */
.tag-geo{display:inline-block;font-family:var(--serif);font-size:12px;font-weight:700;letter-spacing:.32em;color:var(--blue);text-transform:uppercase;margin-bottom:16px}
.tag-geo.on-dark{color:var(--mint)}
.sec-head{text-align:center;max-width:820px;margin:0 auto 64px}
.sec-head h2{font-size:clamp(30px,4vw,52px);font-weight:900;line-height:1.25;letter-spacing:.01em}
.sec-head p{margin-top:18px;color:var(--ink-3);font-size:16.5px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;font-size:15px;font-weight:700;border-radius:99px;transition:.25s;cursor:pointer;border:0}
.btn span{transition:transform .25s}
.btn:hover span{transform:translateX(4px)}
.btn-fill{background:var(--blue);color:#fff}
.btn-fill:hover{background:var(--blue-deep)}
.btn-line{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s cubic-bezier(.2,.65,.3,1),transform .9s cubic-bezier(.2,.65,.3,1)}
.reveal.on{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}

/* ── 导航 ── */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;display:flex;align-items:center;gap:34px;
  height:74px;padding:0 4vw;background:rgba(251,250,246,.9);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:.3s}
.nav.scrolled{height:62px;background:rgba(251,250,246,.96);border-bottom-color:var(--line)}
.nav-logo img{height:40px;width:auto;transition:height .3s}
.nav.scrolled .nav-logo img{height:34px}
.nav-links{display:flex;gap:26px;margin-left:auto}
.nav-links a{font-size:14.5px;color:var(--ink-2);font-weight:500;position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--blue);transition:right .25s}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{right:0}
.nav-links a.active{color:var(--blue);font-weight:700}
.nav-links a.active::after{right:0}
.nav-cta{background:var(--blue);color:#fff;font-size:13.5px;font-weight:700;padding:10px 22px;border-radius:99px;transition:.25s}
.nav-cta:hover{background:var(--blue-deep)}
.nav-burger{display:none;background:none;border:0;width:42px;height:42px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center;margin-left:auto}
.nav-burger span{width:22px;height:2px;background:var(--ink);transition:.3s}

/* ── Hero ── */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,12,16,.5),rgba(8,12,16,.24) 42%,rgba(8,12,16,.66))}
.hero-inner{position:relative;z-index:2;text-align:center;color:#fff;padding:150px 5vw 210px;max-width:1120px}
.hero-tag{display:inline-flex;align-items:center;gap:12px;font-size:12.5px;letter-spacing:.22em;color:rgba(255,255,255,.85);
  border:1px solid rgba(255,255,255,.32);border-radius:99px;padding:8px 20px;margin-bottom:34px;background:rgba(10,14,18,.35)}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--mint);font-style:normal}
.hero h1{font-size:clamp(46px,7.2vw,96px);font-weight:900;line-height:1.14;letter-spacing:.01em;text-shadow:0 3px 28px rgba(0,0,0,.35)}
.hero-sub{margin:30px auto 0;font-size:clamp(15px,1.5vw,19px);line-height:2;color:rgba(255,255,255,.92);max-width:840px}
.hero-actions{margin-top:46px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-actions .btn-fill{background:var(--mint);color:#0E2018}
.hero-actions .btn-fill:hover{background:#fff}
.hero-actions .btn-line{border-color:rgba(255,255,255,.6);color:#fff}
.hero-actions .btn-line:hover{background:#fff;color:var(--ink);border-color:#fff}
.hero-stats{position:absolute;z-index:3;right:4vw;bottom:0;display:flex}
.hs-cell{background:rgba(12,16,12,.8);color:#fff;padding:24px 40px 20px;text-align:center;min-width:180px}
.hs-cell+.hs-cell{border-left:1px solid rgba(255,255,255,.14)}
.hs-cell strong{display:block;font-size:44px;font-weight:900;line-height:1.1;font-variant-numeric:tabular-nums}
.hs-cell strong i{font-style:normal;font-size:19px;font-weight:600;margin-left:3px}
.hs-cell>span{display:block;font-size:12.5px;color:rgba(255,255,255,.7);margin-top:5px}
.hs-cell.hl strong{color:var(--mint)}
.hero-hint{position:absolute;z-index:3;left:50%;bottom:26px;transform:translateX(-50%);color:rgba(255,255,255,.75);
  font-size:11px;letter-spacing:.3em;display:flex;flex-direction:column;align-items:center;gap:8px;animation:hint 2.2s ease-in-out infinite}
@keyframes hint{0%,100%{transform:translateX(-50%) translateY(0);opacity:.6}50%{transform:translateX(-50%) translateY(8px);opacity:1}}

/* ── 黑通栏:参数卡 ── */
.band{position:relative;overflow:hidden;background:var(--deep);color:#fff}
.band-arc{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.band-head{position:relative;text-align:center;padding:96px 4vw 60px;max-width:900px;margin:0 auto}
.band-head h2{font-size:clamp(32px,4.4vw,56px);font-weight:900;letter-spacing:.02em;margin-top:16px}
.band-head p{margin:18px auto 0;font-size:15.5px;color:rgba(255,255,255,.66);max-width:820px;line-height:1.9}
.const-cards{position:relative;list-style:none;display:grid;grid-template-columns:repeat(5,1fr);
  max-width:1280px;margin:0 auto;padding:16px 4vw 60px;gap:0}
.cc{position:relative;padding:34px 28px 30px;border-left:1px solid rgba(255,255,255,.1);border-radius:var(--radius);transition:background .25s,transform .25s}
.cc:hover{background:rgba(255,255,255,.05);transform:translateY(-4px)}
.cc h3{font-size:26px;font-weight:900;letter-spacing:.04em;color:#fff;margin-bottom:12px}
.cc p{font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.8}
.cc i{position:absolute;right:22px;bottom:14px;font-style:normal;font-family:var(--serif);font-size:42px;
  color:rgba(82,197,168,.38);line-height:1;user-select:none}
.const-plus{position:relative;max-width:1000px;margin:0 auto;padding:0 4vw 90px;text-align:center;
  font-size:15px;color:rgba(255,255,255,.72)}
.const-plus b{color:var(--mint);font-weight:700}
.const-cards.plus{padding-top:0;margin-top:-16px}
.cc.cc2{padding:26px 24px 28px}
.cc.cc2 h3{font-size:19px;color:var(--mint)}
.cc.cc2 p{font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.75}
.cc.cc2 i{font-size:26px;right:18px;bottom:12px;color:rgba(82,197,168,.45)}

/* ── 系统图区 ── */
.sys-wrap{display:grid;grid-template-columns:1.45fr 1fr;gap:5vw;align-items:center;max-width:1280px;margin:0 auto;padding:0 4vw 110px}
.sys-diagram svg{width:100%;height:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.svg-cap{font-size:15px;fill:var(--ink);font-family:var(--sans);paint-order:stroke;stroke:rgba(255,255,255,.85);stroke-width:4px}
.svg-num{font-size:12px;fill:#fff;font-weight:700;font-family:var(--sans)}
.sys-diagram figcaption{margin-top:14px;font-size:13.5px;color:var(--ink-3);text-align:center}
.sys-list{border-left:3px solid var(--blue);padding-left:44px}
.sl-lead{font-size:14px;color:var(--ink-3);letter-spacing:.08em}
.sys-list h3{font-size:clamp(24px,2.4vw,34px);font-weight:900;margin:8px 0 22px;line-height:1.35}
.sys-list ol{counter-reset:rep}
.sys-list ol li{counter-increment:rep;display:flex;gap:16px;padding:10px 0;font-size:15px;color:var(--ink-2);border-bottom:1px dashed var(--line-2);transition:.2s}
.sys-list ol li::before{content:counter(rep,decimal-leading-zero);font-family:var(--mono);font-weight:700;color:var(--blue);min-width:28px;font-size:13px;padding-top:2px}
.sys-list ol li:hover{color:var(--blue);padding-left:6px}
.sl-note{margin-top:24px;font-size:14.5px;color:var(--ink-3)}
.sl-note b{color:var(--blue);font-size:19px}

/* ── 三代技术 ── */
.gen{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:20px}
.gen-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 32px;position:relative;transition:.3s}
.gen-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.gen-no{font-family:var(--mono);font-size:12px;letter-spacing:.28em;color:var(--mint-text);font-weight:700}
.gen-card h3{font-size:24px;font-weight:900;margin:16px 0 12px}
.gen-card p{font-size:14.5px;color:var(--ink-2);min-height:100px;margin-bottom:22px}
.gen-bar{height:5px;background:var(--line);border-radius:3px;overflow:hidden;margin-bottom:12px}
.gen-bar span{display:block;height:100%;background:var(--ink-3);border-radius:3px}
.gen-meta{display:flex;justify-content:space-between;font-family:var(--mono);font-size:13px;font-weight:700;color:var(--ink-3)}
.gen-prime{border-top:3px solid var(--blue)}
.gen-prime h3,.gen-prime .gen-meta b{color:var(--blue)}
.gen-prime .gen-bar span{background:var(--blue)}

/* ── 十恒参数卡格 ── */
.h10-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;background:#fff;margin-top:8px}
.h10{padding:24px 28px 26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .25s}
.h10:hover{background:var(--paper-2)}
.h10:nth-child(2n){border-right:none}
.h10:nth-last-child(-n+2){border-bottom:none}
.h10-head{display:flex;align-items:baseline;gap:10px}
.h10-no{font-family:var(--mono);font-size:10.5px;color:var(--ink-3);letter-spacing:.14em}
.h10-head b{font-size:17.5px;font-weight:800}
.h10-app{margin-left:auto;font-family:var(--mono);font-size:10.5px;color:var(--ink-3)}
.h10-val{font-family:var(--mono);font-size:16px;font-weight:900;color:var(--blue);margin-top:10px}
.h10 p{font-size:12.5px;color:var(--ink-2);line-height:1.65;margin-top:6px}
.h10-sum{padding:24px 28px;display:flex;flex-direction:column;justify-content:center;background:var(--paper);border-left:3px solid var(--mint)}
.h10-sum b{font-size:14px;font-weight:800;color:var(--ink-2);letter-spacing:.06em}
.h10-sum span{font-family:var(--mono);font-size:26px;font-weight:900;color:var(--mint-text);margin-top:10px;line-height:1}
.h10-sum i{font-style:normal;font-size:11.5px;color:var(--ink-3);margin-top:8px}
.heng-plus-head{margin-top:30px;font-size:13.5px;font-weight:800;color:var(--ink-2)}
.heng-plus-head b{color:var(--mint-text)}
.h10p-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line-2);border-top:3px solid var(--mint-text);border-radius:var(--radius);overflow:hidden;margin-top:10px;background:#fff}
.h10p{padding:24px 26px;border-right:1px solid var(--line)}
.h10p:last-child{border-right:none}
.h10p .h10-val{color:var(--mint-text)}

/* ── 八大价值 ── */
.val-row{display:grid;grid-template-columns:84px 1.3fr 1fr;gap:4vw;align-items:center;max-width:1280px;margin:0 auto 96px;padding:0 4vw}
.val-row.rev{grid-template-columns:84px 1fr 1.3fr}
.val-row.rev figure{order:3}
.val-row.rev .val-txt{order:2}
.val-num{display:flex;flex-direction:column;align-items:flex-start}
.val-num b{font-family:var(--serif);font-size:54px;font-weight:400;color:var(--blue);line-height:1}
.val-num i{font-family:var(--serif);font-style:normal;font-size:12px;color:var(--ink-3);letter-spacing:.18em;text-transform:uppercase;margin-top:10px;writing-mode:vertical-rl;line-height:1.4}
.val-row figure{overflow:hidden;border-radius:var(--radius)}
.val-row img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.val-row:hover img{transform:scale(1.04)}
.val-badge{display:inline-block;border:1.5px solid var(--blue);color:var(--blue);font-size:13.5px;font-weight:700;padding:5px 16px;border-radius:99px;font-variant-numeric:tabular-nums}
.val-txt h3{font-size:clamp(22px,2.4vw,32px);font-weight:900;margin:18px 0 12px;line-height:1.4}
.val-txt p{color:var(--ink-2);font-size:15.5px;max-width:46ch}

/* ── 能效对比 ── */
.cmp-table{max-width:1000px;margin:0 auto;border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;background:#fff}
.cmp-row{display:grid;grid-template-columns:140px 1fr 1.2fr}
.cmp-row>div{padding:18px 24px;border-bottom:1px solid var(--line);font-size:14.5px;display:flex;align-items:center}
.cmp-row:last-child>div{border-bottom:0}
.cmp-k{font-weight:700;background:var(--paper);color:var(--ink)}
.cmp-head-row>div{font-weight:900;background:var(--paper-2);color:var(--ink-3);font-size:13px;letter-spacing:.1em}
.cmp-fanlin{background:rgba(11,62,143,.05);color:var(--blue);font-weight:600}
.cmp-head-row .cmp-fanlin{background:var(--blue);color:#fff}

/* ── 项目卡 ── */
.proj-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;max-width:1240px;margin:0 auto}
.pj{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.pj:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.pj img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.2,1)}
.pj:hover img{transform:scale(1.04)}
.pj-body{padding:26px 30px 30px}
.pj-tag{font-size:12.5px;font-weight:700;color:var(--mint-text);letter-spacing:.08em}
.pj-body h3{font-size:22px;font-weight:900;margin:8px 0 8px}
.pj-body p{font-size:14px;color:var(--ink-3)}

/* ── EPCM 黑通栏流程图 ── */
.epcm-band{position:relative;overflow:hidden;background:var(--deep);color:#fff;border-top:1px solid rgba(255,255,255,.06)}
.epcm-band .band-head{text-align:center}
.flow{position:relative;display:flex;align-items:center;justify-content:center;gap:14px;
  max-width:1320px;margin:0 auto;padding:16px 2vw 60px;flex-wrap:wrap}
.flow-center{position:relative;width:250px;height:250px;flex:none}
.flow-center>svg{width:100%;height:100%}
.flow-center-txt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff}
.flow-center-txt b{font-size:23px;font-weight:900}
.flow-center-txt span{font-size:12.5px;color:rgba(255,255,255,.66);margin-top:4px}
.flow-pill{position:absolute;left:50%;top:50%;background:rgba(82,197,168,.14);color:#A6E0D0;border:1px solid rgba(82,197,168,.45);
  font-size:12.5px;font-weight:600;padding:5px 11px;border-radius:99px;
  transform:rotate(var(--ax)) translateY(-128px) rotate(calc(-1*var(--ax)))}
.flow-arrow{display:flex;align-items:center;gap:6px;flex:none;color:var(--mint)}
.flow-arrow svg{width:44px;height:12px}
.arrow-label{font-size:13px;font-weight:700}
.flow-block{display:flex;flex-direction:column;gap:14px;flex:none}
.bub{background:rgba(255,255,255,.04);border:1px solid rgba(82,197,168,.4);border-radius:46px;padding:16px 24px;min-width:200px;text-align:left}
.bub h3{display:inline-block;background:var(--blue);color:#fff;font-size:13.5px;font-weight:700;padding:4px 14px;border-radius:99px;margin-bottom:8px}
.bub ul{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.85)}
.bub ul li{padding-left:14px;position:relative}
.bub ul li::before{content:"";position:absolute;left:0;top:.85em;width:5px;height:5px;background:var(--mint);border-radius:50%}
.flow-hex{position:relative;width:150px;height:136px;flex:none;display:flex;align-items:center;justify-content:center}
.flow-hex>svg{position:absolute;inset:0;width:100%;height:100%}
.flow-hex>div{position:relative;text-align:center;color:#fff}
.flow-hex b{display:block;font-size:17px;font-weight:900}
.flow-hex span{font-size:12px;color:rgba(255,255,255,.66);margin-top:4px;display:block}
.epcm-steps{position:relative;max-width:1280px;margin:0 auto;padding:0 2vw 80px;display:grid;grid-template-columns:repeat(4,1fr);gap:0 26px;border-top:1px solid rgba(255,255,255,.12)}
.epcm-steps .es{padding:30px 0 0}
.epcm-steps .es b{display:block;font-size:17px;font-weight:900;color:var(--mint);margin-bottom:10px}
.epcm-steps .es p{font-size:13px;color:rgba(255,255,255,.62);line-height:1.75}

/* ── 新闻 ── */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;max-width:1240px;margin:0 auto}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.news-card figure{aspect-ratio:16/9;overflow:hidden}
.news-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.news-card:hover figure img{transform:scale(1.05)}
.news-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;gap:12px;align-items:center;font-size:12.5px;margin-bottom:12px}
.news-cat{background:rgba(11,62,143,.08);color:var(--blue);font-weight:700;padding:3px 12px;border-radius:99px}
.news-date{color:var(--ink-3);font-variant-numeric:tabular-nums}
.news-body h3{font-size:17.5px;font-weight:800;line-height:1.5;margin-bottom:10px}
.news-body h3 a:hover{color:var(--blue)}
.news-body p{font-size:13.5px;color:var(--ink-3);flex:1}
.news-more{margin-top:16px;font-size:13.5px;font-weight:700;color:var(--blue)}
.news-more:hover{text-decoration:underline;text-underline-offset:4px}
.news-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:36px}
.news-hero figure{aspect-ratio:auto;min-height:340px}
.news-hero figure img{width:100%;height:100%;object-fit:cover}
.news-hero .news-body{padding:44px 48px;justify-content:center}
.news-hero h3{font-size:clamp(22px,2.4vw,30px)}
/* 文章页 */
.article{max-width:820px;margin:0 auto;padding:60px 4vw 40px}
.article-cat{display:flex;gap:14px;align-items:center;margin-bottom:20px}
.article h1{font-size:clamp(28px,3.6vw,44px);font-weight:900;line-height:1.35;margin-bottom:20px}
.article-meta{display:flex;gap:22px;color:var(--ink-3);font-size:13.5px;padding-bottom:26px;border-bottom:1px solid var(--line-2);margin-bottom:34px}
.article p{font-size:16px;line-height:2.05;color:var(--ink-2);margin-bottom:22px}
.article p b{color:var(--ink)}
.article blockquote{margin:28px 0;padding:22px 28px;background:#fff;border-left:3px solid var(--blue);border-radius:0 var(--radius) var(--radius) 0;font-size:15.5px;color:var(--ink-2);line-height:1.9}
.article .art-back{margin-top:44px}

/* ── 工程现场 ── */
.gallery{position:relative;max-width:1240px;margin:0 auto;padding:0 62px}
.g-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none}
.g-track::-webkit-scrollbar{display:none}
.g-track img{flex:none;width:min(430px,72vw);aspect-ratio:4/3;object-fit:cover;scroll-snap-align:start;border-radius:var(--radius)}
.g-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:50px;height:50px;border-radius:50%;
  border:0;background:var(--ink);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
.g-arrow:hover{background:var(--blue)}
.g-arrow.prev{left:0}.g-arrow.next{right:0}
.site-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;max-width:1240px;margin:56px auto 0}
.fact{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}
.fact b{display:block;font-size:24px;font-weight:900;color:var(--blue)}
.fact span{display:block;font-size:14px;font-weight:600;margin:6px 0 8px}
.fact i{font-style:normal;font-size:12.5px;color:var(--ink-3);line-height:1.6;display:block}

/* ── 资质:创始人/证书/清单/时间轴 ── */
.crew{display:grid;grid-template-columns:1.15fr 1fr;gap:26px;margin-bottom:8px}
.crew-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px}
.crew-h{display:flex;gap:24px;align-items:center;margin-bottom:26px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.crew-av{flex:none;width:88px;height:88px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:34px;font-weight:900}
.crew-h h3{font-size:28px;font-weight:900}
.crew-h h3 small{font-size:13.5px;color:var(--mint-text);margin-left:8px;font-weight:600}
.crew-h p{font-size:13.5px;color:var(--ink-3);margin-top:4px}
.crew-list li{font-size:14.5px;color:var(--ink-2);padding:9px 0 9px 24px;position:relative;border-bottom:1px dashed var(--line)}
.crew-list li::before{content:"+";position:absolute;left:2px;color:var(--mint-text);font-weight:900}
.crew-field{margin-top:18px;font-size:13.5px;color:var(--ink-3);font-style:italic}
.crew-stats{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.crew-stats>div{padding:26px 26px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.crew-stats>div:nth-child(2n){border-right:none}
.crew-stats>div:nth-last-child(-n+2){border-bottom:none}
.crew-stats b{display:block;font-size:40px;font-weight:900;line-height:1;color:var(--blue);margin-bottom:8px}
.crew-stats span{font-size:12.5px;color:var(--ink-3);line-height:1.5}
.cert-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cert-wall figure{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.cert-wall figure:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cert-wall img{width:100%;height:300px;object-fit:cover;object-position:top;filter:saturate(.55)}
.cert-wall figcaption{font-size:13px;color:var(--ink-3);padding:14px 18px;text-align:center;line-height:1.5}
.qual-list{display:grid;grid-template-columns:1fr 1fr;gap:16px 30px;max-width:1240px;margin:40px auto 0}
.ql{display:flex;gap:18px;align-items:baseline;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 24px}
.ql b{flex:none;font-size:15.5px;color:var(--blue);font-variant-numeric:tabular-nums}
.ql span{font-size:13.5px;color:var(--ink-2)}
.timeline{border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;background:#fff}
.timeline li{display:grid;grid-template-columns:110px 1fr;gap:0;align-items:baseline;padding:15px 26px;border-bottom:1px solid var(--line);transition:.2s}
.timeline li:hover{background:var(--paper-2)}
.timeline li:last-child{border-bottom:none}
.timeline b{font-family:var(--mono);font-size:16px;font-weight:900;color:var(--blue)}
.timeline span{font-size:14.5px;color:var(--ink-2)}

/* ── 关于:企业简介/文化 ── */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:5vw;align-items:center;max-width:1280px;margin:0 auto;padding:0 4vw}
.about-txt h2{font-size:clamp(28px,3.4vw,44px);font-weight:900;margin-bottom:24px;line-height:1.3}
.about-txt p{color:var(--ink-2);font-size:15.5px;margin-bottom:16px}
.about-list{display:grid;grid-template-columns:1fr 1fr;gap:12px 28px;margin-top:26px}
.about-list li{font-size:14px;color:var(--ink-2);padding-left:20px;position:relative}
.about-list li::before{content:"";position:absolute;left:0;top:.8em;width:8px;height:8px;background:var(--mint);border-radius:2px}
.about-list b{color:var(--ink);margin-right:4px}
.about-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.about-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.bases{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:1280px;margin:70px auto 0;padding:0 4vw}
.base{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 22px;transition:.3s}
.base:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.base b{font-size:22px;font-weight:900;color:var(--blue);display:block;margin-bottom:4px}
.base span{font-size:12.5px;font-weight:700;display:block;margin-bottom:10px;letter-spacing:.04em}
.base i{font-style:normal;font-size:12.5px;color:var(--ink-3);line-height:1.6;display:block}
.mvv{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1280px;margin:70px auto 0;padding:0 4vw}
.mvv>div{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 32px;border-top:3px solid var(--blue)}
.mvv>div:nth-child(2){border-top-color:var(--mint)}
.mvv>div:nth-child(3){border-top-color:var(--ink)}
.mvv b{font-size:15px;font-weight:900;letter-spacing:.1em;display:block;margin-bottom:14px}
.mvv p{font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ── 服务模式 ── */
.mode-lead{max-width:760px;margin:0 auto 56px;text-align:center;color:var(--ink-3);font-size:15.5px;line-height:1.9}
.mode-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;max-width:1280px;margin:0 auto;padding:0 4vw}
.ms{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;border-top:3px solid var(--mint);transition:.3s}
.ms:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.ms b{font-size:17px;font-weight:800;display:block;margin-bottom:10px}
.ms p{font-size:13.5px;color:var(--ink-2);line-height:1.75}
.tracks{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;max-width:1280px;margin:0 auto;padding:0 4vw}
.track{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;border-top:3px solid var(--blue);transition:.3s}
.track:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.track h4{font-size:17px;font-weight:800;margin-bottom:10px}
.track p{font-size:13.5px;color:var(--ink-2);line-height:1.75}

/* ── 联系 ── */
.contact{background:var(--deep);color:#fff;padding:110px 4vw}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:6vw;max-width:1240px;margin:0 auto;align-items:start}
.contact h2{font-size:clamp(28px,3.4vw,44px);font-weight:900;line-height:1.35}
.contact-sub{margin:20px 0 36px;color:rgba(255,255,255,.7);font-size:15.5px}
.contact-info{display:grid;gap:16px;margin-bottom:36px}
.contact-info>div{display:flex;gap:18px;font-size:14.5px}
.contact-info dt{color:var(--mint);font-weight:700;flex:none}
.contact-info dd{color:rgba(255,255,255,.82)}
.contact-form{background:#fff;border-radius:var(--radius);padding:42px 44px 46px;display:grid;gap:18px;color:var(--ink)}
.cf label{display:block;font-size:13px;font-weight:700;margin-bottom:8px}
.cf input,.cf select,.cf textarea{width:100%;padding:13px 16px;font-size:15px;font-family:var(--sans);
  border:1px solid var(--line-2);border-radius:10px;background:var(--paper-2);color:var(--ink);outline:none;transition:border-color .2s}
.cf input:focus,.cf select:focus,.cf textarea:focus{border-color:var(--blue)}
.cf-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cf-btn{background:var(--blue);color:#fff;border:0;font-size:15.5px;font-weight:700;padding:16px;border-radius:12px;cursor:pointer;font-family:var(--sans);transition:.25s}
.cf-btn:hover{background:var(--blue-deep)}
.cf-btn:disabled{opacity:.6;cursor:default}
.cf-ok{font-size:14px;color:var(--mint-text);font-weight:600}
.cf-note{font-size:12.5px;color:var(--ink-3)}

/* ── 页脚 ── */
.foot{background:var(--deep);color:rgba(255,255,255,.72);padding:64px 4vw 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;max-width:1280px;margin:0 auto 40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-logo{height:44px;width:auto;margin-bottom:18px}
.foot p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.5)}
.foot h5{font-size:13px;font-weight:800;letter-spacing:.14em;color:rgba(255,255,255,.85);margin-bottom:16px}
.foot ul{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}
.foot ul a{font-size:13.5px;color:rgba(255,255,255,.62)}
.foot ul a:hover{color:var(--mint)}
.foot-base{max-width:1280px;margin:0 auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12.5px;color:rgba(255,255,255,.42)}

/* ── 回顶 ── */
.to-top{position:fixed;right:22px;bottom:24px;z-index:90;width:46px;height:46px;border-radius:12px;border:1px solid var(--line-2);
  background:#fff;color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s;box-shadow:0 8px 22px rgba(20,23,26,.1)}
.to-top:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ── 页头 banner(子页)── */
.page-hero{background:var(--deep);color:#fff;padding:150px 0 80px;position:relative;overflow:hidden}
.page-hero .band-arc{opacity:.8}
.page-hero .ph-inner{position:relative;max-width:1280px;margin:0 auto;padding:0 4vw}
.page-hero .tag-geo{color:var(--mint)}
.page-hero h1{font-size:clamp(34px,4.6vw,60px);font-weight:900;letter-spacing:.02em;margin-top:14px}
.page-hero p{margin-top:16px;color:rgba(255,255,255,.66);max-width:760px;line-height:1.9}

/* ── 响应式 ── */
@media (max-width:1080px){
  .sys-wrap,.about-grid,.contact-grid,.crew{grid-template-columns:1fr;gap:44px}
  .const-cards{grid-template-columns:repeat(2,1fr);padding-bottom:50px}
  .cc{border-left:0;border-top:1px solid rgba(255,255,255,.1)}
  .cc:nth-child(-n+2){border-top:0}
  .cc:nth-child(2n+1){border-right:1px solid rgba(255,255,255,.1)}
  .gen,.mode-steps,.tracks,.news-grid{grid-template-columns:1fr 1fr}
  .bases{grid-template-columns:1fr 1fr}
  .mvv{grid-template-columns:1fr}
  .val-row,.val-row.rev{grid-template-columns:1fr;gap:22px;margin-bottom:70px}
  .val-row.rev figure{order:0}.val-row.rev .val-txt{order:0}
  .val-num{flex-direction:row;align-items:baseline;gap:14px}
  .val-num i{writing-mode:horizontal-tb}
  .h10-grid,.h10p-grid{grid-template-columns:1fr}
  .h10,.h10p{border-right:none !important}
  .h10:nth-last-child(2){border-bottom:1px solid var(--line)}
  .epcm-steps{grid-template-columns:1fr 1fr;gap:0 24px}
  .epcm-steps .es{border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:22px}
  .cert-wall{grid-template-columns:1fr 1fr}
  .qual-list{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr 1fr}
  .news-hero{grid-template-columns:1fr}
  .flow{flex-direction:column;gap:26px}
  .flow-arrow svg{transform:rotate(90deg)}
  .site-facts{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav{height:62px;gap:14px}
  .nav-logo img{height:32px}
  .nav-links{position:fixed;top:62px;left:0;right:0;flex-direction:column;gap:0;background:#fff;
    padding:8px 0 14px;display:none;border-bottom:1px solid var(--line);box-shadow:0 20px 34px rgba(20,22,18,.08)}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 6vw;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .nav-cta{display:none}
  .nav-burger{display:flex}
  .hero{min-height:86vh}
  .hero-inner{padding:120px 6vw 190px}
  .hero-stats{right:0;left:0;bottom:0}
  .hs-cell{flex:1;padding:16px 8px 13px;min-width:0}
  .hs-cell strong{font-size:28px}
  .hs-cell strong i{font-size:13px}
  .hs-cell>span{font-size:11px}
  .const-cards{grid-template-columns:1fr;padding-bottom:26px}
  .cc{border-left:0 !important;border-right:0 !important;border-top:1px solid rgba(255,255,255,.1)}
  .cc:first-child{border-top:0}
  .gen,.mode-steps,.tracks,.news-grid{grid-template-columns:1fr}
  .section{padding:70px 0}
  .cmp-table{overflow-x:auto}
  .cmp-row{min-width:640px}
  .proj-grid{grid-template-columns:1fr}
  .gallery{padding:0 46px}
  .g-arrow{width:40px;height:40px}
  .crew{grid-template-columns:1fr}
  .cf-row{grid-template-columns:1fr}
  .contact-form{padding:28px 22px 32px}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .page-hero{padding:130px 0 60px}
  .bases{grid-template-columns:1fr}
  .about-list{grid-template-columns:1fr}
  .epcm-steps{grid-template-columns:1fr}
  .news-hero .news-body{padding:26px 24px}
  .site-facts{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none !important;transition-duration:.01ms !important}
}