@charset "utf-8";
/* ===========================================================
   河北牧养缘食品有限公司 — 官网样式表
   色彩取自品牌 logo（#005E3C 深瓶绿 / #67A735 草绿）与包装实物
   字体仅用系统字库，不加载 webfont，保证国内服务器首屏速度
   =========================================================== */

:root{
  /* 品牌色 */
  --pine:#005e3c;          /* logo 主绿，大面积底色 */
  --pine-deep:#00402a;     /* 页脚、按压态 */
  --pine-ink:#002b1c;      /* 最深，叠图遮罩 */
  --grass:#67a735;         /* logo 副绿，强调线 */
  --grass-soft:#8cc95c;
  --ember:#a5070e;         /* 取自羊肉串红包装，仅用于招商按钮 */

  /* 中性色 —— 冷调，对应冻品语境 */
  --frost:#f2f4f1;
  --frost-2:#e8ece7;
  --white:#ffffff;
  --ink:#17211c;
  --ink-2:#46534c;
  --muted:#6d7a73;
  --line:#d3dad5;
  --line-on-pine:rgba(255,255,255,.26);

  /* 字体 */
  --display:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  --serif:"Songti SC","STSong","Source Han Serif SC","Noto Serif CJK SC","SimSun",serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"PingFang SC",monospace;

  /* 尺度 */
  --edge:clamp(1rem,4vw,4rem);
  --maxw:76rem;
  --rail:2.5rem;
  --band:clamp(2.5rem,5vw,4rem);
  --step-xs:.75rem;
  --step-s:.875rem;
  --step-0:.9375rem;
  --step-1:1.0625rem;
}

/* ---------- 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--frost);color:var(--ink);
  font-family:var(--display);font-size:var(--step-0);line-height:1.72;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--pine);text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;letter-spacing:0}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}
/* ---------- 可访问性 ---------- */
.skip{
  position:absolute;left:.5rem;top:-3rem;z-index:99;
  background:var(--white);color:var(--pine);padding:.55rem 1rem;
  border:2px solid var(--pine);font-weight:700;transition:top .18s;
}
.skip:focus{top:.5rem}
:focus-visible{outline:3px solid var(--grass);outline-offset:2px}
.vh{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- 版心 ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--edge)}
.sec{padding:var(--band) 0}
.sec--pine{background:var(--pine);color:var(--white)}
.sec--pine a{color:var(--white)}
.sec--white{background:var(--white)}

/* 竖排导轨 + 内容：本站的骨架 */
.band{display:grid;grid-template-columns:var(--rail) minmax(0,1fr);gap:clamp(1.25rem,3vw,2.75rem)}
.band__rail{position:relative}
.band__label{
  position:sticky;top:6.5rem;
  writing-mode:vertical-rl;text-orientation:upright;
  font-family:var(--display);font-size:.8rem;font-weight:500;
  letter-spacing:.18em;color:var(--muted);
  padding:.35rem 0 .35rem .5rem;border-left:2px solid var(--line);
  white-space:nowrap;
}
.sec--pine .band__label{color:rgba(255,255,255,.5);border-left-color:rgba(255,255,255,.24)}

/* ---------- 页头 ---------- */
.hdr{
  position:sticky;top:0;z-index:40;background:var(--pine);
  border-bottom:1px solid var(--line-on-pine);
}
.hdr__in{
  max-width:var(--maxw);margin:0 auto;padding:.6rem var(--edge);
  display:flex;align-items:center;gap:1.25rem;
}
.hdr__logo{display:flex;align-items:center;gap:.7rem;flex:0 0 auto}
.hdr__logo img{height:2.35rem;width:auto}
.hdr__name{color:var(--white);font-size:var(--step-xs);line-height:1.35;letter-spacing:.02em}
.hdr__name b{display:block;font-size:var(--step-s);font-weight:700;letter-spacing:.06em}
.hdr__name span{color:rgba(255,255,255,.6);font-size:var(--step-xs);letter-spacing:.02em}
.nav{margin-left:auto;display:flex;align-items:center;gap:clamp(.5rem,1.4vw,1.25rem)}
.nav a{
  color:rgba(255,255,255,.8);font-size:var(--step-xs);font-weight:500;
  padding:.5rem .1rem;border-bottom:1px solid transparent;transition:color .16s,border-color .16s;
}
.nav a:hover,.nav a[aria-current="page"]{color:var(--white);border-bottom-color:var(--grass)}
.nav__tel{
  font-family:var(--mono);font-weight:700;letter-spacing:.02em;
  background:var(--white);color:var(--pine)!important;padding:.42rem .8rem;
  border-bottom:0!important;
}
.nav__tel:hover{background:var(--grass-soft)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line-on-pine);
  color:var(--white);padding:.45rem .7rem;font-size:var(--step-s);font-weight:700;cursor:pointer}
/* ---------- 首屏 ---------- */
.hero{position:relative;background:var(--pine-ink);color:var(--white);overflow:hidden}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,var(--pine-ink) 4%,rgba(0,64,42,.86) 46%,rgba(0,43,28,.38) 100%);
}
.hero__in{
  position:relative;max-width:var(--maxw);margin:0 auto;
  padding:clamp(3.5rem,8vw,7rem) var(--edge) clamp(2.75rem,5vw,4rem);
  display:grid;grid-template-columns:var(--rail) minmax(0,1fr);gap:clamp(1.25rem,3vw,2.75rem);
}
.hero__motto{
  writing-mode:vertical-rl;text-orientation:upright;
  font-family:var(--display);font-size:.8rem;font-weight:500;
  letter-spacing:.22em;color:rgba(255,255,255,.6);
  padding:.5rem 0 .5rem .5rem;border-left:2px solid rgba(255,255,255,.3);
  white-space:nowrap;align-self:start;
}
.hero__eyebrow{
  font-size:var(--step-xs);font-weight:500;letter-spacing:.12em;
  color:var(--grass-soft);margin:0 0 .9rem;
}
.hero h1{
  font-size:clamp(1.6rem,3.8vw,2.75rem);font-weight:700;letter-spacing:0;line-height:1.3;
  margin:0 0 1rem;max-width:20em;
}
.hero h1 em{font-style:normal;color:var(--grass-soft)}
.hero__lede{
  font-size:var(--step-0);color:rgba(255,255,255,.8);
  max-width:32em;margin:0 0 1.6rem;line-height:1.7;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem;margin:0 0 clamp(2.25rem,4vw,3.25rem)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.72rem 1.4rem;font-size:var(--step-s);font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;transition:background .16s,color .16s,border-color .16s;
}
.btn--join{background:var(--ember);color:var(--white)}
.btn--join:hover{background:#8b060c}
.btn--ghost{border-color:rgba(255,255,255,.4);color:var(--white)}
.btn--ghost:hover{border-color:var(--white);background:rgba(255,255,255,.08)}
.btn--pine{background:var(--pine);color:var(--white)}
.btn--pine:hover{background:var(--pine-deep)}
.btn--line{border-color:var(--pine);color:var(--pine)}
.btn--line:hover{background:var(--pine);color:var(--white)}

/* ---------- 规格牌：本站签名元素 ---------- */
/* 冻品包装背面那块信息板：一行一格、标签在左、等宽数字在右 */
.plate{
  background:var(--white);color:var(--ink);
  border:1px solid var(--line);border-top:3px solid var(--pine);
}
.plate--onpine{background:rgba(255,255,255,.06);color:var(--white);
  border-color:var(--line-on-pine);border-top-color:var(--grass)}
.plate__cap{
  display:flex;align-items:baseline;justify-content:space-between;gap:1rem;
  padding:.7rem 1.1rem;border-bottom:1px solid var(--line);
  font-size:var(--step-xs);font-weight:700;letter-spacing:.22em;color:var(--muted);
}
.plate--onpine .plate__cap{border-bottom-color:var(--line-on-pine);color:rgba(255,255,255,.62)}
.plate__cap b{font-family:var(--mono);font-weight:700;letter-spacing:.06em;color:var(--pine)}
.plate--onpine .plate__cap b{color:var(--grass-soft)}
.plate__row{
  display:grid;grid-template-columns:6.5em minmax(0,1fr);gap:1rem;
  padding:.62rem 1.1rem;border-bottom:1px solid var(--frost-2);
  font-size:var(--step-s);
}
.plate--onpine .plate__row{border-bottom-color:rgba(255,255,255,.1)}
.plate__row:last-child{border-bottom:0}
.plate__row dt{color:var(--muted);letter-spacing:.14em;font-size:var(--step-xs)}
.plate--onpine .plate__row dt{color:rgba(255,255,255,.6)}
.plate__row dd{margin:0;font-family:var(--mono);font-weight:600;letter-spacing:.02em;
  font-variant-numeric:tabular-nums}
.plate__row dd.t{font-family:var(--display);font-weight:700;letter-spacing:.02em}

/* 首屏那块三格实力牌，横排 */
.proof{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border:1px solid var(--line-on-pine);border-top:3px solid var(--grass);
  background:rgba(255,255,255,.06);max-width:44rem;
}
.proof__cell{padding:1.05rem 1.25rem;border-left:1px solid var(--line-on-pine)}
.proof__cell:first-child{border-left:0}
.proof__num{
  display:block;font-family:var(--mono);font-size:clamp(1.2rem,2.2vw,1.6rem);
  font-weight:700;letter-spacing:0;color:var(--white);font-variant-numeric:tabular-nums;
}
.proof__num small{font-family:var(--display);font-size:.6em;font-weight:500;letter-spacing:.04em;margin-left:.15em}
.proof__lab{display:block;font-size:var(--step-xs);letter-spacing:.06em;color:rgba(255,255,255,.6);margin-top:.25rem}
/* ---------- 标题组 ---------- */
.h-eyebrow{
  font-size:var(--step-xs);font-weight:500;letter-spacing:.12em;
  color:var(--grass);margin:0 0 .6rem;
}
.sec--pine .h-eyebrow{color:var(--grass-soft)}
.h2{font-size:clamp(1.2rem,2.2vw,1.65rem);font-weight:600;margin:0 0 .75rem}
.h2 + .h-sub{
  font-family:var(--display);font-size:var(--step-s);font-weight:400;color:var(--ink-2);
  letter-spacing:0;margin:0 0 1.75rem;max-width:40em;line-height:1.65;
}
.sec--pine .h-sub{color:rgba(255,255,255,.72)}
.h3{font-size:var(--step-1);font-weight:600;margin:0 0 .45rem}
.lede{max-width:38em;color:var(--ink-2);font-size:var(--step-s)}
.sec--pine .lede{color:rgba(255,255,255,.78)}

/* ---------- 产品卡 ---------- */
.grid-p{
  display:grid;gap:clamp(1rem,2vw,1.6rem);
  grid-template-columns:repeat(auto-fill,minmax(15.5rem,1fr));
}
.pcard{
  background:var(--white);border:1px solid var(--line);
  display:flex;flex-direction:column;transition:border-color .18s,transform .18s;
}
.pcard:hover{border-color:var(--pine);transform:translateY(-3px)}
.pcard__fig{margin:0;background:var(--white);border-bottom:1px solid var(--frost-2)}
.pcard__body{padding:1rem 1.15rem 1.15rem;display:flex;flex-direction:column;flex:1}
.pcard__tier{
  font-size:var(--step-xs);font-weight:700;letter-spacing:.2em;color:var(--grass);margin:0 0 .35rem;
}
.pcard__name{font-size:var(--step-0);font-weight:600;margin:0 0 .4rem}
.pcard__en{
  font-family:var(--mono);font-size:var(--step-xs);letter-spacing:.06em;
  text-transform:uppercase;color:var(--muted);margin:0 0 .7rem;
}
.pcard__spec{margin:auto 0 0;border-top:1px solid var(--frost-2);padding-top:.7rem;
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.3rem .8rem}
.pcard__spec div{font-size:var(--step-xs);color:var(--muted);letter-spacing:.06em}
.pcard__spec b{display:block;font-family:var(--mono);font-size:var(--step-s);
  font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:0}

/* 零添加标记 */
.tag0{display:inline-flex;gap:.3rem;flex-wrap:wrap;margin:0 0 .75rem}
.tag0 span{
  font-family:var(--mono);font-size:var(--step-xs);font-weight:700;letter-spacing:.02em;
  color:var(--pine);border:1px solid var(--grass);padding:.1rem .4rem;
}

/* ---------- 发展历程：这里编号有意义，年份本身就是序列 ---------- */
.tl{border-left:2px solid var(--line-on-pine);margin:0;padding:0 0 0 clamp(1.1rem,2.5vw,2rem)}
.tl__item{position:relative;padding:0 0 clamp(1.6rem,3vw,2.4rem)}
.tl__item:last-child{padding-bottom:0}
.tl__item::before{
  content:"";position:absolute;left:calc(-1 * clamp(1.1rem,2.5vw,2rem) - 6px);top:.62rem;
  width:10px;height:10px;background:var(--grass);border:2px solid var(--pine);
}
.tl__yr{
  font-family:var(--mono);font-size:var(--step-s);font-weight:700;
  letter-spacing:.02em;color:var(--grass-soft);display:block;margin-bottom:.25rem;
}
.tl__body{color:rgba(255,255,255,.84);margin:0;max-width:44em}
.tl__body b{color:var(--white);font-weight:700}

/* ---------- 图文交错块 ---------- */
.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
.duo--rev .duo__fig{order:2}
.duo__fig{margin:0}
.duo__fig img{width:100%;object-fit:cover}
.duo__fig figcaption{
  font-family:var(--mono);font-size:var(--step-xs);letter-spacing:.1em;
  color:var(--muted);padding-top:.55rem;border-top:1px solid var(--line);margin-top:.55rem;
}
.sec--pine .duo__fig figcaption{color:rgba(255,255,255,.62);border-top-color:var(--line-on-pine)}

/* 车间三图 */
.trio{display:grid;grid-template-columns:1.1fr 1fr;gap:.75rem}
.trio__tall{grid-row:span 2;margin:0}
.trio figure{margin:0}
.trio img{width:100%;height:100%;object-fit:cover}

/* ---------- 渠道 / 资质 列表 ---------- */
.cols{display:grid;gap:clamp(1.25rem,3vw,2.5rem);grid-template-columns:repeat(auto-fit,minmax(16rem,1fr))}
.pill-list li{
  padding:.7rem 0 .7rem 1.5rem;border-bottom:1px solid var(--frost-2);position:relative;
  font-size:var(--step-s);
}
.pill-list li::before{
  content:"";position:absolute;left:0;top:1.28rem;width:.55rem;height:.55rem;background:var(--grass);
}
.sec--pine .pill-list li{border-bottom-color:rgba(255,255,255,.14)}

/* ---------- 页脚 ---------- */
.ftr{background:var(--pine-deep);color:rgba(255,255,255,.7);padding:clamp(2rem,4vw,3.5rem) 0 1.5rem;font-size:var(--step-xs)}
.ftr__grid{display:grid;gap:2rem;grid-template-columns:1.4fr 1fr 1fr;padding-bottom:1.75rem;border-bottom:1px solid rgba(255,255,255,.14)}
.ftr h4{color:var(--white);font-size:var(--step-xs);font-weight:600;letter-spacing:.1em;margin:0 0 .75rem}
.ftr a{color:rgba(255,255,255,.74)}
.ftr a:hover{color:var(--white)}
.ftr li{padding:.24rem 0}
.ftr__logo img{height:2.6rem;width:auto;margin-bottom:.9rem}
.ftr__tel{font-family:var(--mono);font-size:1.3rem;font-weight:700;color:var(--white);letter-spacing:.02em}
.ftr__btm{padding-top:1.25rem;display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;
  font-size:var(--step-xs);color:rgba(255,255,255,.5);letter-spacing:.04em}
/* ---------- 招商表单 ---------- */
.form{display:grid;gap:1rem;grid-template-columns:repeat(2,minmax(0,1fr));max-width:40rem}
.field{display:flex;flex-direction:column;gap:.35rem}
.field--wide{grid-column:1/-1}
.field label{font-size:var(--step-xs);font-weight:700;letter-spacing:.16em;color:var(--muted)}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:var(--step-0);color:var(--ink);
  padding:.68rem .8rem;background:var(--white);border:1px solid var(--line);
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--pine)}
.field textarea{resize:vertical;min-height:6.5rem;line-height:1.7}
.form__note{grid-column:1/-1;font-size:var(--step-xs);color:var(--muted);margin:0}

/* ---------- 展会画廊 ---------- */
.gallery{
  display:grid;gap:.6rem;
  grid-template-columns:repeat(auto-fill,minmax(18rem,1fr));
}
.gallery figure{margin:0;overflow:hidden;aspect-ratio:3/2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.gallery figure:hover img{transform:scale(1.04)}

/* ---------- 荣誉列表 ---------- */
.honor-list{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fit,minmax(20rem,1fr));margin-top:1.8rem}
.honor-item{
  background:var(--frost);border-left:3px solid var(--grass);
  padding:.9rem 1.15rem;display:flex;align-items:flex-start;gap:.8rem;
}
.honor-item__yr{font-family:var(--mono);font-size:var(--step-xs);color:var(--grass);
  font-weight:700;letter-spacing:.06em;white-space:nowrap;padding-top:.1rem}
.honor-item__txt{font-size:var(--step-s);color:var(--ink-2);margin:0}

/* ---------- 团队卡 ---------- */
.team-grid{display:grid;gap:clamp(1rem,2vw,1.6rem);grid-template-columns:repeat(auto-fill,minmax(17rem,1fr))}
.tcard{background:var(--white);border:1px solid var(--line);border-top:3px solid var(--pine);padding:1.3rem 1.35rem}
.tcard__name{font-size:var(--step-0);font-weight:700;margin:0 0 .2rem}
.tcard__title{font-size:var(--step-xs);font-weight:500;letter-spacing:.1em;color:var(--grass);margin:0 0 .65rem}
.tcard__bio{font-size:var(--step-xs);color:var(--ink-2);line-height:1.7;margin:0}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(10rem,1fr));
  border:1px solid var(--line);margin:2rem 0}
.stats__cell{padding:1.2rem 1.35rem;border-left:1px solid var(--line);text-align:center}
.stats__cell:first-child{border-left:0}
.stats__num{display:block;font-family:var(--mono);font-size:clamp(1.3rem,2.5vw,1.9rem);
  font-weight:700;color:var(--pine);font-variant-numeric:tabular-nums}
.stats__num small{font-size:.6em;font-family:var(--display);font-weight:500;margin-left:.12em}
.stats__lab{display:block;font-size:var(--step-xs);letter-spacing:.06em;color:var(--muted);margin-top:.25rem}

/* ---------- 入场动效 ---------- */
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.hero__eyebrow{animation:rise .45s ease-out .1s both}
.hero h1{animation:rise .5s ease-out .22s both}
.hero__lede{animation:rise .5s ease-out .32s both}
.hero__cta{animation:rise .5s ease-out .42s both}
.hero .proof{animation:rise .5s ease-out .52s both}
.hero__motto{animation:rise .5s ease-out .1s both}

.reveal{opacity:0;transition:opacity .5s ease-out}
.reveal.in{opacity:1}

/* ---------- 响应式 ---------- */
@media (max-width:60rem){
  .duo,.form{grid-template-columns:1fr}
  .duo--rev .duo__fig{order:0}
  .ftr__grid{grid-template-columns:1fr 1fr}
  .trio{grid-template-columns:1fr 1fr}
  .trio__tall{grid-row:auto;grid-column:span 2}
}
@media (max-width:48rem){
  /* 竖排导轨在窄屏改成横排眉标，竖排文字在手机上太占高度 */
  :root{--rail:0}
  .band,.hero__in{grid-template-columns:1fr}
  .band__label,.hero__motto{
    writing-mode:horizontal-tb;position:static;
    border-left:0;border-top:3px solid var(--grass);
    padding:.5rem 0 0;letter-spacing:.28em;font-size:var(--step-s);
    justify-self:start;animation:none;
  }
  .hero__motto{border-top-color:var(--grass);margin-bottom:1.5rem}
  .nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--pine-deep);padding:.5rem var(--edge) 1rem;
    border-bottom:1px solid var(--line-on-pine);
  }
  .nav.open{display:flex}
  .nav a{padding:.8rem 0;border-bottom:1px solid rgba(255,255,255,.12)}
  .nav a:hover,.nav a[aria-current="page"]{border-bottom-color:rgba(255,255,255,.12)}
  .nav__tel{margin-top:.8rem;justify-content:center;display:flex}
  .burger{display:block}
  .proof{grid-template-columns:1fr}
  .proof__cell{border-left:0;border-top:1px solid var(--line-on-pine)}
  .proof__cell:first-child{border-top:0}
  .ftr__grid{grid-template-columns:1fr}
  .plate__row{grid-template-columns:5.5em minmax(0,1fr)}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 打印 ---------- */
@media print{
  .hdr,.nav,.burger,.hero__bg,.skip,.form{display:none!important}
  body{background:#fff;color:#000;font-size:11pt}
  .sec--pine,.hero,.ftr{background:#fff!important;color:#000!important}
  .sec--pine *,.hero *,.ftr *{color:#000!important}
  .plate,.proof{border-color:#999!important}
  .sec{padding:1.2rem 0}
  a[href^="http"]::after{content:" (" attr(href) ")";font-size:9pt;color:#555}
}