/* ============================================================
   禹世环保 — 官网样式 2.0
   设计语言：浅色为主 · 超大字号 · 圆角卡片 · 交替大图展示
   参考苹果/华为官网的留白与排版节奏
   ============================================================ */
:root{
  --white:#FFFFFF;
  --paper:#F7F5F0;      /* 暖浅灰米 */
  --paper2:#F0ECE3;
  --ink:#16382C;        /* 深墨绿：仅页脚与 hero 遮罩使用 */
  --pine:#1F5140;
  --moss:#2E7D5F;
  --sage:#5FA98A;
  --gold:#C99A3F;
  --gold2:#DDB062;
  --txt:#1D2B25;
  --muted:#5F6E66;
  --line:#E7E3D9;
  --line2:#D6D0C2;
  --r-lg:24px;
  --r-md:16px;
  --r-pill:999px;
  --font:"PingFang SC","Microsoft YaHei","Helvetica Neue","Segoe UI",Arial,sans-serif;
  --container:1200px;
  --header-h:64px;
  --shadow-card:0 2px 12px rgba(29,43,37,.05);
  --shadow-hover:0 18px 48px rgba(29,43,37,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--txt);background:var(--white);line-height:1.75;font-size:17px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font-family:inherit;font-size:16px;outline:none}
.container{max-width:var(--container);margin:0 auto;padding:0 28px}

/* ---------- 顶部细条（极简，仅热线） ---------- */
.topbar{background:var(--pine);color:rgba(255,255,255,.92);font-size:13px;height:32px;display:flex;align-items:center;letter-spacing:1px;position:relative;z-index:60}
.topbar .container{display:flex;justify-content:flex-end;align-items:center;width:100%;gap:8px}
.topbar a{color:#fff;font-weight:700}
.topbar a:hover{color:var(--gold2)}
.topbar svg{width:14px;height:14px;vertical-align:-2px;margin-right:5px}

/* ---------- 主导航（毛玻璃细条） ---------- */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.header.scrolled{box-shadow:0 4px 24px rgba(29,43,37,.07)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:24px}
.logo{display:flex;align-items:center;flex:none}
.logo img{height:40px;width:auto;object-fit:contain}
.nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav > li{position:relative}
.nav > li > a{display:block;padding:8px 14px;font-size:16px;font-weight:600;color:var(--txt);position:relative;white-space:nowrap;border-radius:var(--r-pill);transition:color .25s,background .25s}
.nav > li > a:hover{color:var(--moss);background:var(--paper)}
.nav > li.active > a{color:var(--moss)}
.dropdown{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(8px);min-width:220px;background:rgba(255,255,255,.96);backdrop-filter:blur(20px);border:1px solid var(--line);border-radius:var(--r-md);padding:8px;opacity:0;visibility:hidden;transition:all .28s;z-index:99;box-shadow:var(--shadow-hover)}
.nav > li:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown a{display:flex;align-items:center;gap:10px;padding:10px 14px;font-size:15px;color:var(--txt);border-radius:10px}
.dropdown a:hover{background:var(--paper);color:var(--moss)}
.dropdown a .dot{width:5px;height:5px;background:var(--gold);border-radius:50%;flex:none}
.hdr-cta{display:flex;align-items:center;gap:10px;flex:none}
.burger{display:none;flex-direction:column;gap:5px;padding:8px}
.burger span{width:22px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}

/* ---------- 按钮（胶囊形） ---------- */
.btn-gold{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--gold);color:#fff;padding:12px 28px;font-size:16px;font-weight:700;letter-spacing:.5px;border-radius:var(--r-pill);transition:.28s;white-space:nowrap;border:none}
.btn-gold:hover{background:#B8893A;transform:translateY(-1px);box-shadow:0 10px 28px rgba(201,154,63,.35)}
.btn-gold svg{width:17px;height:17px}
.btn-gold.sm{padding:8px 18px;font-size:14px}
.btn-line{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border:1.5px solid var(--line2);color:var(--pine);font-weight:700;font-size:16px;border-radius:var(--r-pill);transition:.28s;white-space:nowrap;background:#fff}
.btn-line:hover{border-color:var(--moss);color:var(--moss);transform:translateY(-1px)}
.btn-line svg{width:17px;height:17px}
.btn-line-w{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border:1.5px solid rgba(255,255,255,.7);color:#fff;font-weight:700;font-size:16px;border-radius:var(--r-pill);transition:.28s;white-space:nowrap}
.btn-line-w:hover{background:#fff;color:var(--ink)}
.tlink{display:inline-flex;align-items:center;gap:7px;color:var(--moss);font-weight:700;font-size:17px}
.tlink svg{width:18px;height:18px;transition:transform .3s}
.tlink:hover{color:var(--pine)}
.tlink:hover svg{transform:translateX(5px)}

/* ---------- Hero（全幅大图 + 超大标题） ---------- */
.hero{position:relative;min-height:660px;height:88vh;overflow:hidden;background:var(--ink)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,56,44,.10) 0%,rgba(22,56,44,.30) 55%,rgba(22,56,44,.55) 100%)}
.hero-in{position:relative;z-index:5;height:100%;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;padding-bottom:96px}
.hero-kick{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:15px;letter-spacing:.35em;font-weight:700;margin-bottom:20px;opacity:.92}
.hero-kick i{width:32px;height:2px;background:var(--gold2);display:inline-block}
.hero h1{font-size:clamp(40px,6.2vw,84px);line-height:1.08;font-weight:900;letter-spacing:-.01em;max-width:900px;text-shadow:0 4px 40px rgba(0,0,0,.25)}
.hero h1 em{font-style:normal;color:var(--gold2)}
.hero-lead{margin-top:22px;font-size:clamp(16px,1.5vw,20px);color:rgba(255,255,255,.88);max-width:640px;letter-spacing:.5px}
.hero-btns{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:6;display:flex;flex-direction:column;align-items:center;gap:6px;color:rgba(255,255,255,.75);font-size:12px;letter-spacing:2px}
.hero-scroll i{width:1px;height:34px;background:linear-gradient(180deg,rgba(255,255,255,.7),rgba(255,255,255,0));animation:sc 1.8s ease-in-out infinite}
@keyframes sc{0%,100%{transform:scaleY(.4);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}}

/* ---------- 数据条（浅色细线分隔） ---------- */
.band{background:var(--white);padding:72px 0}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.bitem{text-align:center;padding:8px 16px;position:relative}
.bitem + .bitem::before{content:"";position:absolute;left:0;top:15%;bottom:15%;width:1px;background:var(--line)}
.bitem b{font-size:clamp(40px,3.8vw,58px);font-weight:800;color:var(--pine);line-height:1.05;letter-spacing:-.02em}
.bitem b i{font-style:normal;font-size:.42em;font-weight:700;margin-left:4px;color:var(--gold)}
.bitem span{display:block;color:var(--muted);font-size:14.5px;margin-top:10px;letter-spacing:2px}

/* ---------- 区块通用 ---------- */
.section{padding:110px 0}
.section.alt{background:var(--paper)}
.sec-head{max-width:780px;margin:0 auto 72px;text-align:center}
.sec-head .kick{display:inline-flex;align-items:center;gap:10px;color:var(--moss);font-weight:700;letter-spacing:.35em;font-size:14px;margin-bottom:18px}
.sec-head .kick::before,.sec-head .kick::after{content:"";width:24px;height:1.5px;background:var(--gold)}
.sec-head h2{font-size:clamp(32px,4vw,56px);font-weight:900;color:var(--txt);letter-spacing:-.01em;line-height:1.2}
.sec-head p{color:var(--muted);margin-top:20px;font-size:18px}
.sec-head.light h2{color:#fff}
.sec-head.light .kick{color:var(--gold2)}
.sec-head.light p{color:rgba(255,255,255,.75)}

/* ---------- 产品交替大图展示 ---------- */
.showcase{display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:center;padding:72px 0}
.showcase + .showcase{border-top:1px solid var(--line)}
.showcase.rev .sc-img{order:2}
.sc-img{border-radius:28px;overflow:hidden;height:520px;background:var(--paper2);box-shadow:var(--shadow-card)}
.sc-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.6,.2,1)}
.showcase:hover .sc-img img{transform:scale(1.04)}
.sc-no{font-size:15px;font-weight:800;color:var(--gold);letter-spacing:.25em;margin-bottom:14px}
.sc-txt h2{font-size:clamp(30px,3.4vw,48px);font-weight:900;color:var(--txt);letter-spacing:-.01em;line-height:1.15;margin-bottom:8px}
.sc-en{font-size:14px;color:var(--muted);letter-spacing:.22em;text-transform:uppercase;font-weight:600;margin-bottom:20px}
.sc-txt p{color:var(--muted);font-size:17.5px;line-height:1.85;max-width:520px}
.sc-chips{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 30px}
.sc-chips span{border:1px solid var(--line2);color:var(--pine);padding:6px 16px;font-size:14px;font-weight:600;border-radius:var(--r-pill);background:#fff}

/* ---------- 关于并排 ---------- */
.split{display:grid;grid-template-columns:1fr 1.1fr;gap:80px;align-items:center}
.sp-img img{width:100%;height:480px;object-fit:cover;border-radius:28px;box-shadow:var(--shadow-card)}
.sp-txt .kick{display:inline-block;color:var(--moss);font-weight:700;letter-spacing:.35em;font-size:14px;margin-bottom:16px}
.sp-txt h2{font-size:clamp(28px,3.2vw,44px);font-weight:900;color:var(--txt);letter-spacing:-.01em;line-height:1.2}
.sp-txt h2::after{content:"";display:block;width:48px;height:3px;background:var(--gold);margin-top:22px;border-radius:2px}
.sp-txt p{color:var(--muted);margin-top:24px;font-size:17px;line-height:1.9}
.points{margin:28px 0 34px;display:grid;gap:14px}
.points li{display:flex;gap:12px;align-items:flex-start;font-size:16.5px;font-weight:600;color:var(--txt)}
.points li svg{width:22px;height:22px;color:var(--moss);flex:none;margin-top:4px}

/* ---------- 实力（浅色细线网格） ---------- */
.factory{background:var(--paper);padding:110px 0}
.fac-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.fac{background:var(--paper);padding:44px 36px;transition:.3s}
.fac:hover{background:#fff}
.fac .fic{width:52px;height:52px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--moss);display:flex;align-items:center;justify-content:center;margin-bottom:22px}
.fac .fic svg{width:24px;height:24px}
.fac h3{font-size:19px;color:var(--txt);letter-spacing:.5px;margin-bottom:10px;font-weight:800}
.fac p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- 优势（极简三列） ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.adv{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:38px 32px;transition:.3s}
.adv:hover{border-color:var(--line2);box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.adv-ic{width:54px;height:54px;border-radius:50%;background:var(--paper2);color:var(--moss);display:flex;align-items:center;justify-content:center;margin-bottom:22px}
.adv-ic svg{width:26px;height:26px}
.adv h3{font-size:19px;color:var(--txt);margin-bottom:10px;letter-spacing:.5px;font-weight:800}
.adv p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- 应用场景（胶囊） ---------- */
.app-chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:900px;margin:0 auto}
.app-chips span{border:1px solid var(--line2);color:var(--pine);padding:10px 22px;font-size:15px;font-weight:600;border-radius:var(--r-pill);background:#fff;transition:.28s}
.app-chips span:hover{background:var(--pine);border-color:var(--pine);color:#fff}

/* ---------- 案例（大圆角卡） ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.case{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);transition:.3s;display:block;overflow:hidden}
.case:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--line2)}
.c-img{position:relative;height:280px;background-size:cover;background-position:center;overflow:hidden}
.case:hover .c-img{background-size:112%}
.c-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,56,44,0) 55%,rgba(22,56,44,.28))}
.c-no{position:absolute;left:20px;top:20px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);color:var(--pine);font-size:13px;font-weight:800;padding:5px 14px;border-radius:var(--r-pill);letter-spacing:1px;z-index:2}
.c-body{padding:26px 28px 30px}
.c-tag{display:inline-block;border:1px solid var(--gold);color:#A87F2C;font-size:12.5px;font-weight:700;padding:3px 14px;border-radius:var(--r-pill);letter-spacing:1px;background:#fff}
.c-body h3{font-size:20px;color:var(--txt);margin:14px 0 8px;line-height:1.5;font-weight:800;transition:color .25s}
.case:hover .c-body h3{color:var(--moss)}
.c-body p{font-size:14px;color:var(--muted)}
.c-more{display:inline-flex;align-items:center;gap:6px;color:var(--moss);font-weight:700;font-size:15px;margin-top:16px}
.c-more svg{width:16px;height:16px;transition:transform .3s}
.case:hover .c-more svg{transform:translateX(5px)}

/* ---------- 新闻（简报列表） ---------- */
.news-list{border-top:1px solid var(--line);max-width:960px;margin:0 auto}
.news-list li{border-bottom:1px solid var(--line)}
.news-list a{display:grid;grid-template-columns:110px 100px 1fr 32px;gap:20px;align-items:center;padding:24px 8px;transition:.25s;border-radius:var(--r-md)}
.news-list a:hover{background:#fff;padding-left:18px;padding-right:18px;box-shadow:var(--shadow-card)}
.nl-date{font-size:15px;color:var(--muted);font-weight:600;letter-spacing:.5px}
.nl-cat{font-size:12.5px;color:#A87F2C;border:1px solid var(--gold);padding:2px 10px;text-align:center;font-weight:700;border-radius:var(--r-pill);letter-spacing:1px;justify-self:start}
.news-list h3{font-size:19px;color:var(--txt);font-weight:700;line-height:1.6;transition:color .25px}
.news-list a:hover h3{color:var(--moss)}
.news-list i{color:var(--gold);display:flex;opacity:0;transform:translateX(-6px);transition:.3s}
.news-list i svg{width:20px;height:20px}
.news-list a:hover i{opacity:1;transform:none}

/* ---------- 流程（细线步骤） ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.fstep{padding-top:22px;border-top:2px solid var(--line);position:relative}
.fstep::before{content:"";position:absolute;left:0;top:-6px;width:10px;height:10px;border-radius:50%;background:var(--gold)}
.fstep b{display:block;font-size:14px;font-weight:800;color:var(--moss);letter-spacing:2px;margin-bottom:12px}
.fstep h3{font-size:18px;color:var(--txt);letter-spacing:.5px;font-weight:800}
.fstep p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.7}

/* ---------- CTA（居中极简） ---------- */
.cta{background:var(--paper);border-radius:28px;padding:84px 40px;text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;left:50%;bottom:-180px;transform:translateX(-50%);width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(46,125,95,.10),transparent 70%)}
.cta .kick{color:var(--moss);font-size:14px;letter-spacing:.35em;font-weight:700;display:block;margin-bottom:18px;position:relative;z-index:2}
.cta h2{font-size:clamp(28px,3.4vw,46px);color:var(--txt);letter-spacing:-.01em;font-weight:900;position:relative;z-index:2}
.cta p{margin-top:16px;color:var(--muted);font-size:17px;position:relative;z-index:2}
.cta-act{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:center;position:relative;z-index:2}
.cta-phone{font-size:clamp(22px,2.4vw,30px);font-weight:900;color:var(--pine);letter-spacing:0;margin-right:8px}

/* ---------- 内页横幅（浅色大字） ---------- */
.pbanner{position:relative;background:var(--paper);padding:130px 0 84px;overflow:hidden}
.pbanner::after{content:"";position:absolute;right:-160px;top:-160px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(46,125,95,.09),transparent 65%)}
.pb-bgword{position:absolute;right:10px;bottom:-30px;font-size:clamp(90px,13vw,200px);font-weight:900;color:transparent;-webkit-text-stroke:1px rgba(46,125,95,.10);letter-spacing:2px;line-height:1;white-space:nowrap;user-select:none}
.pbanner .container{position:relative;z-index:2}
.pb-kick{display:inline-flex;align-items:center;gap:10px;color:var(--moss);font-size:14px;letter-spacing:.35em;font-weight:700;margin-bottom:18px}
.pb-kick::before{content:"";width:26px;height:1.5px;background:var(--gold)}
.pbanner h1{font-size:clamp(34px,4.6vw,60px);letter-spacing:-.01em;font-weight:900;color:var(--txt);line-height:1.15}
.pb-crumb{margin-top:22px;font-size:14.5px;color:var(--muted);letter-spacing:.5px}
.pb-crumb i{font-style:normal;margin:0 10px;color:var(--gold)}
.pb-crumb a{color:var(--pine);font-weight:600}
.pb-crumb a:hover{color:var(--moss)}

/* ---------- 产品网格 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);transition:.3s;display:flex;flex-direction:column;overflow:hidden}
.prod:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--line2)}
.p-img{height:230px;overflow:hidden;background:var(--paper2)}
.p-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.prod:hover .p-img img{transform:scale(1.06)}
.p-img.empty{display:flex;align-items:center;justify-content:center;color:var(--moss)}
.p-img.empty svg{width:56px;height:56px;opacity:.4}
.p-body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
.p-body h3{font-size:18px;font-weight:800;color:var(--txt);line-height:1.5;transition:color .25s}
.prod:hover .p-body h3{color:var(--moss)}
.p-body p{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.75;flex:1}
.p-more{margin-top:16px;font-size:15px;color:var(--moss);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.p-more svg{width:16px;height:16px;transition:transform .3s}
.prod:hover .p-more svg{transform:translateX(5px)}

/* ---------- 产品中心分节 ---------- */
.psec{margin-bottom:90px}
.psec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;flex-wrap:wrap;margin-bottom:38px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.psec-head .kick{display:inline-block;color:var(--moss);font-weight:700;letter-spacing:.3em;font-size:13px;margin-bottom:10px}
.psec-head h2{font-size:clamp(24px,2.8vw,34px);font-weight:900;color:var(--txt);letter-spacing:-.01em}
.psec-head p{color:var(--muted);margin-top:12px;max-width:720px;font-size:15.5px}

/* ---------- 分类页引导 ---------- */
.cat-lead{display:grid;grid-template-columns:1.25fr .75fr;gap:64px;align-items:center}
.cat-lead .kick{display:inline-block;color:var(--moss);font-weight:700;letter-spacing:.3em;font-size:13px;margin-bottom:14px}
.cat-lead h2{font-size:clamp(26px,3vw,38px);font-weight:900;color:var(--txt);letter-spacing:-.01em}
.cat-lead h2::after{content:"";display:block;width:48px;height:3px;background:var(--gold);margin-top:18px;border-radius:2px}
.cat-lead p{color:var(--muted);margin-top:22px;font-size:16.5px;line-height:1.9}
.cl-img{height:320px;overflow:hidden;border-radius:24px;box-shadow:var(--shadow-card)}
.cl-img img{width:100%;height:100%;object-fit:cover}

/* ---------- 产品详情 ---------- */
.pd-top{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.pd-main{height:480px;overflow:hidden;background:var(--paper2);border-radius:24px;box-shadow:var(--shadow-card)}
.pd-main img{width:100%;height:100%;object-fit:cover;transition:opacity .35s}
.pd-main.empty{display:flex;align-items:center;justify-content:center;color:var(--moss)}
.pd-main.empty svg{width:80px;height:80px;opacity:.4}
.pd-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:14px}
.pd-thumbs button{height:78px;overflow:hidden;border:2px solid transparent;padding:0;background:var(--paper2);transition:.25s;border-radius:12px}
.pd-thumbs button img{width:100%;height:100%;object-fit:cover}
.pd-thumbs button.on{border-color:var(--gold)}
.pd-en{font-size:13.5px;color:var(--muted);letter-spacing:.25em;text-transform:uppercase;font-weight:700}
.pd-info h1{font-size:clamp(26px,3vw,40px);color:var(--txt);line-height:1.3;font-weight:900;margin-top:12px;letter-spacing:-.01em}
.pd-desc{color:var(--muted);margin-top:20px;font-size:17px;line-height:1.9}
.pd-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pd-tags span{border:1px solid var(--gold);color:#A87F2C;font-size:13.5px;padding:5px 16px;font-weight:700;border-radius:var(--r-pill)}
.pd-cta{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.pd-sec{margin-top:80px}
.pd-sec h2{font-size:26px;color:var(--txt);font-weight:900;letter-spacing:-.01em;display:flex;align-items:center;gap:14px}
.pd-sec h2::before{content:"";width:5px;height:26px;background:var(--gold);border-radius:3px;flex:none}
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:30px}
.feat{display:flex;gap:16px;background:var(--paper);border-radius:var(--r-md);padding:24px 26px;transition:.3s}
.feat:hover{background:#fff;box-shadow:var(--shadow-card)}
.feat-ic{width:44px;height:44px;flex:none;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--moss);display:flex;align-items:center;justify-content:center}
.feat-ic svg{width:22px;height:22px}
.feat h3{font-size:16.5px;color:var(--txt);letter-spacing:.5px;font-weight:800}
.feat p{font-size:14px;color:var(--muted);margin-top:5px;line-height:1.75}
.ptable{width:100%;border-collapse:collapse;margin-top:30px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.ptable th,.ptable td{padding:15px 24px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
.ptable th{background:var(--paper2);color:var(--pine);width:230px;font-weight:700;letter-spacing:1px}
.ptable tr:last-child th,.ptable tr:last-child td{border-bottom:none}
.ptable-note{color:var(--muted);font-size:13.5px;margin-top:14px}

/* ---------- 文章页 ---------- */
.article{max-width:780px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:28px;padding:56px 60px}
.art-meta{display:flex;gap:12px;color:var(--muted);font-size:14px;align-items:center;flex-wrap:wrap}
.art-tag{border:1px solid var(--gold);color:#A87F2C;font-weight:700;padding:3px 14px;font-size:13px;border-radius:var(--r-pill);letter-spacing:1px}
.article h1{font-size:clamp(25px,3vw,36px);color:var(--txt);line-height:1.4;font-weight:900;margin-top:20px;letter-spacing:-.01em}
.art-cover{margin:30px 0;overflow:hidden;border-radius:20px}
.art-cover img{width:100%;max-height:460px;object-fit:cover}
.art-body p{color:#3A4A43;margin-top:20px;font-size:17px;line-height:1.95}
.art-body p.lead{color:var(--moss);font-weight:700;font-size:17.5px}
.art-imgs{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}
.ai{height:230px;overflow:hidden;border-radius:16px}
.ai > div{width:100%;height:100%;background-size:cover;background-position:center}
.art-equip{margin-top:36px;background:var(--paper);border-radius:var(--r-md);padding:24px 28px}
.art-equip b{color:var(--txt);font-size:15px;letter-spacing:2px}
.art-equip p{color:var(--muted);font-size:14.5px;margin-top:8px}
.art-cta{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 联系页 ---------- */
.cc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ccard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:40px 28px;text-align:center;transition:.3s}
.ccard:hover{border-color:var(--line2);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.cc-ic{width:60px;height:60px;margin:0 auto 20px;border-radius:50%;background:var(--paper2);color:var(--moss);display:flex;align-items:center;justify-content:center}
.cc-ic svg{width:28px;height:28px}
.ccard h3{font-size:17px;color:var(--txt);letter-spacing:2px;font-weight:800}
.ccard p{font-size:15px;color:var(--muted);margin-top:10px;word-break:break-all;line-height:1.7}
.form-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:48px 52px;max-width:880px;margin:0 auto}
.form-card h2{text-align:center;font-size:28px;color:var(--txt);font-weight:900;letter-spacing:-.01em}
.form-card .tip{text-align:center;color:var(--muted);margin-top:10px;font-size:15px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:14.5px;font-weight:700;color:var(--txt);letter-spacing:.5px}
.field label i{color:var(--gold);font-style:normal;margin-left:2px}
.field input,.field textarea,.field select{border:1px solid var(--line2);padding:13px 18px;transition:.25s;background:var(--paper);color:var(--txt);border-radius:12px}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--moss);background:#fff;box-shadow:0 0 0 4px rgba(46,125,95,.10)}
.field textarea{min-height:130px;resize:vertical}
.form-card .submit{margin-top:30px;text-align:center}
.form-note{text-align:center;color:var(--muted);font-size:13px;margin-top:14px}
.mapbox{margin-top:56px;background:var(--paper);border-radius:28px;color:var(--txt);padding:64px 40px;text-align:center}
.mapbox h3{font-size:24px;letter-spacing:1px;font-weight:900}
.mapbox p{margin-top:14px;color:var(--muted);display:flex;align-items:center;justify-content:center;gap:8px;font-size:16px}
.mapbox p svg{width:18px;height:18px;color:var(--moss)}
.mapbox .btn{margin-top:26px}

/* ---------- 关于页 ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.tl{padding-top:24px;border-top:2px solid var(--line);position:relative}
.tl::after{content:"";position:absolute;left:0;top:-6px;width:10px;height:10px;border-radius:50%;background:var(--gold)}
.tl b{font-size:26px;font-weight:900;color:var(--pine);letter-spacing:0}
.tl h3{font-size:14px;color:var(--muted);margin-top:12px;line-height:1.75;font-weight:500}
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.culture{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:44px 32px;text-align:center;transition:.3s}
.culture:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--line2)}
.cul-zh{display:inline-flex;width:64px;height:64px;border-radius:50%;background:var(--paper2);color:var(--moss);font-size:22px;font-weight:900;align-items:center;justify-content:center;letter-spacing:0}
.culture h3{font-size:19px;color:var(--txt);margin:20px 0 12px;letter-spacing:2px;font-weight:800}
.culture p{font-size:14.5px;color:var(--muted)}
.info-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:48px 52px;max-width:880px;margin:0 auto}
.info-card h2{font-size:26px;color:var(--txt);font-weight:900;letter-spacing:-.01em;margin-bottom:28px;display:flex;align-items:center;gap:14px}
.info-card h2::before{content:"";width:5px;height:24px;background:var(--gold);border-radius:3px}
.info-table{width:100%;border-collapse:collapse}
.info-table th,.info-table td{padding:14px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
.info-table th{color:var(--muted);font-weight:700;width:170px;background:var(--paper);border-radius:8px 0 0 8px}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:none}

/* ---------- 留言提示 ---------- */
.toast{position:fixed;left:50%;bottom:44px;transform:translate(-50%,20px);background:var(--pine);color:#fff;padding:14px 30px;font-size:15px;box-shadow:0 20px 50px rgba(29,43,37,.3);opacity:0;pointer-events:none;transition:.35s;z-index:300;letter-spacing:.5px;border-radius:var(--r-pill)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:0}
.footer .f-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:48px;padding:76px 0 56px}
.f-logo{height:52px;width:auto;margin-bottom:22px}
.footer h4{color:#fff;font-size:16px;letter-spacing:3px;margin-bottom:24px;position:relative;padding-bottom:14px;font-weight:800}
.footer h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--gold);border-radius:2px}
.footer .f-about p{font-size:14px;line-height:1.9}
.footer .f-slogan{color:var(--gold2);margin-top:14px;font-weight:700;letter-spacing:2px}
.footer ul li{margin-top:12px;font-size:14.5px}
.footer ul li a:hover{color:var(--gold2)}
.f-contact li{display:flex;gap:10px;align-items:flex-start}
.f-contact svg{width:17px;height:17px;flex:none;margin-top:6px;color:var(--gold2)}
.f-contact a{color:rgba(255,255,255,.88)}
.f-bar{border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px}
.f-bar a{color:rgba(255,255,255,.72)}
.f-bar a:hover{color:var(--gold2)}

/* ---------- 悬浮按钮（白圆） ---------- */
.floats{position:fixed;right:22px;bottom:96px;z-index:200;display:flex;flex-direction:column;gap:12px}
.fbtn{width:50px;height:50px;border-radius:50%;background:#fff;color:var(--moss);box-shadow:0 8px 28px rgba(29,43,37,.14);display:flex;align-items:center;justify-content:center;transition:.3s;border:1px solid var(--line)}
.fbtn:hover{background:var(--moss);color:#fff;transform:translateY(-3px);border-color:var(--moss)}
.fbtn svg{width:22px;height:22px}
.fbtn.top{opacity:0;pointer-events:none}
.fbtn.top.show{opacity:1;pointer-events:auto}
.m-callbar{display:none}

/* ---------- 动画 ---------- */
html.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
html.js .reveal.in{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}

/* ---------- 响应式 ---------- */
@media(max-width:1080px){
  .prod-grid,.adv-grid,.fac-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr}
  .showcase{grid-template-columns:1fr;gap:40px;padding:56px 0}
  .showcase.rev .sc-img{order:0}
  .sc-img{height:400px}
  .footer .f-main{grid-template-columns:1fr 1fr}
  .split{gap:48px}
  .flow,.timeline{grid-template-columns:repeat(3,1fr)}
  .fstep:nth-child(4),.tl:nth-child(4){border-top-color:transparent}
  .fstep:nth-child(4)::before,.tl:nth-child(4)::after{display:none}
  .cc-grid{grid-template-columns:repeat(2,1fr)}
  .pd-top{grid-template-columns:1fr}
  .pd-main{height:360px}
  .cat-lead{grid-template-columns:1fr}
  .article{padding:40px 28px}
}
@media(max-width:900px){
  .topbar{display:none}
  .nav{position:fixed;top:0;right:-300px;width:284px;height:100vh;background:#fff;flex-direction:column;align-items:stretch;padding:88px 22px 40px;gap:4px;box-shadow:-16px 0 50px rgba(29,43,37,.14);transition:right .35s;overflow-y:auto;z-index:150;margin:0}
  .nav.open{right:0}
  .nav > li > a{font-size:17px;padding:14px 10px;border-bottom:1px solid var(--line);border-radius:0}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding:0 0 8px 12px;display:none;min-width:0;border:none;background:none}
  .nav > li.expanded .dropdown{display:block}
  .burger{display:flex;z-index:160}
  .burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.open span:nth-child(2){opacity:0}
  .burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .hdr-cta .btn-gold.sm{display:none}
  .hero{height:auto;min-height:560px;padding-bottom:120px}
  .hero-in{padding-bottom:64px}
  .split{grid-template-columns:1fr}
  .sp-img img{height:320px}
  .case-grid,.prod-grid,.adv-grid,.fac-grid,.culture-grid,.cc-grid{grid-template-columns:1fr}
  .flow,.timeline{grid-template-columns:1fr}
  .fstep,.tl{border-top:none;padding-top:0;padding-left:20px;border-left:2px solid var(--line)}
  .fstep::before,.tl::after{left:-6px;top:6px}
  .fstep,.tl{margin-bottom:8px}
  .feat-grid{grid-template-columns:1fr}
  .art-imgs{grid-template-columns:1fr}
  .news-list a{grid-template-columns:86px 1fr 24px;gap:12px}
  .news-list .nl-cat{display:none}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:32px 22px}
  .info-card{padding:30px 24px}
  .band-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .bitem:nth-child(3)::before{display:none}
  .pbanner{padding:96px 0 64px}
  .section{padding:72px 0}
  .factory{padding:72px 0}
}
@media(max-width:600px){
  body{font-size:16px}
  .logo img{height:34px}
  .hero-btns .btn-gold,.hero-btns .btn-line-w{width:100%}
  .pd-thumbs{grid-template-columns:repeat(4,1fr)}
  .m-callbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:210;background:#fff;border-top:1px solid var(--line)}
  .m-callbar a{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 0;font-weight:800;font-size:15px;letter-spacing:1px}
  .m-callbar a.tel{background:var(--gold);color:#fff;border-radius:0}
  .m-callbar a.msg{color:var(--pine)}
  .m-callbar svg{width:19px;height:19px}
  .floats{bottom:76px}
  body{padding-bottom:54px}
  .f-main{grid-template-columns:1fr;gap:32px}
  .art-cover img{max-height:260px}
  .mapbox{padding:46px 20px}
  .cta{padding:60px 22px}
  .sc-img{height:300px}
}

/* 后台发布文章：视频容器 */
.dyn-video{margin:24px 0;position:relative;padding-top:56.25%;background:var(--ink);border-radius:16px;overflow:hidden}
.dyn-video video,.dyn-video iframe{position:absolute;left:0;top:0;width:100%;height:100%;border:0;display:block}
.dyn-vlink{display:flex;align-items:center;gap:12px;padding:16px 20px;background:var(--paper2);border:1px solid var(--line);border-radius:12px;font-size:14px}
.dyn-vlink span{font-weight:800;color:var(--moss);flex:none}
.dyn-vlink a{color:#A87F2C;word-break:break-all}