/* ============================================================
   永佳农产品 · 产地直采落地页
   骨架：全幅影像首屏 → 品类图卡 → 通栏横幅 → 标准表格
        → 流程 / 结算 → 资质 → 表单
   ============================================================ */

:root{
  --green:#14503A;
  --green-d:#0C3626;
  --green-l:#2C7355;
  --wheat:#C99A2E;
  --wheat-l:#E3BC63;
  --cream:#F6F3EA;
  --paper:#FFFFFF;
  --ink:#17201B;
  --muted:#6B736C;
  --line:rgba(20,80,58,.16);
  --serif:"Noto Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --wrap:1180px;
  --r:6px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--serif);font-weight:700;margin:0;letter-spacing:.01em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.head{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.head-in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:9px;
  background:var(--green);color:var(--wheat-l);
  display:grid;place-items:center;
}
.mark svg{width:20px;height:20px}
.brand-txt{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-txt b{font-family:var(--serif);font-size:16.5px;letter-spacing:.04em}
.brand-txt i{font-style:normal;font-size:10.5px;color:var(--muted);letter-spacing:.06em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav{display:flex;align-items:center;gap:26px;font-size:14px}
.nav a{color:#2C3A32;white-space:nowrap}
.nav a:hover{color:var(--green-l)}
.nav .btn,.nav .btn:hover{color:#fff}
.burger{display:none;width:40px;height:40px;border:0;background:none;padding:8px}
.burger span{display:block;height:2px;background:var(--ink);margin:5px 0;transition:.25s}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1px solid var(--green);
  background:var(--green);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;transition:.2s;font-family:var(--sans);
}
.btn:hover{background:var(--green-d);border-color:var(--green-d)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-line{background:transparent;color:var(--green);border-color:rgba(20,80,58,.35)}
.btn-line:hover{background:rgba(20,80,58,.06);color:var(--green)}
.btn-block{width:100%}
.link{color:var(--green-l);font-weight:600;font-size:14px}
.link:hover{text-decoration:underline}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--green-d);color:#fff;isolation:isolate;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  object-position:center 45%;z-index:-2;opacity:.55;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(115deg,rgba(7,32,23,.94) 0%,rgba(9,38,27,.82) 42%,rgba(10,45,32,.45) 100%);
}
.hero-in{padding:88px 24px 76px}
.eyebrow{
  margin:0 0 18px;font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--wheat-l);
}
.hero h1{font-size:clamp(38px,5.4vw,66px);line-height:1.18;letter-spacing:.02em;margin-bottom:22px}
.lede{max-width:56ch;font-size:17px;line-height:1.9;color:rgba(255,255,255,.86);margin:0 0 24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.hero-tags span{
  padding:6px 14px;border-radius:999px;font-size:12.5px;
  border:1px solid rgba(227,188,99,.45);color:var(--wheat-l);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-cta .btn{background:var(--wheat);border-color:var(--wheat);color:#20180A}
.hero-cta .btn:hover{background:var(--wheat-l);border-color:var(--wheat-l)}
.hero-cta .btn-line{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.hero-cta .btn-line:hover{background:rgba(255,255,255,.12)}

.hero-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin:0 0 0;padding:0;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-bar > div{padding:20px 22px 26px;border-right:1px solid rgba(255,255,255,.12)}
.hero-bar > div:last-child{border-right:0}
.hero-bar dt{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.hero-bar dd{margin:6px 0 0;font-family:var(--serif);font-size:16px;color:#fff}

/* ---------- sections ---------- */
.sec{padding:84px 0}
.sec-cream{background:var(--cream)}
.sec-dark{background:var(--green-d);color:#fff}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head .eyebrow{color:var(--green-l);margin-bottom:14px}
.sec-dark .sec-head .eyebrow{color:var(--wheat-l)}
.sec h2{font-size:clamp(26px,3vw,38px);line-height:1.3;margin-bottom:14px}
.sub{margin:0;color:var(--muted);font-size:15.5px;line-height:1.85}
.sec-dark .sub{color:rgba(255,255,255,.7)}

/* ---------- category grid ---------- */
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.cat{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.cat img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s}
.cat:hover img{transform:scale(1.03)}
.cat-body{padding:18px 20px 22px}
.cat h3{font-size:18.5px;margin-bottom:8px}
.cat p{margin:0;font-size:14px;line-height:1.8;color:#4C544E}
.cat-more{
  justify-content:center;border-style:dashed;border-color:rgba(20,80,58,.3);
  background:linear-gradient(180deg,#FBF9F3,#F4F0E4);
}
.cat-more .cat-body{padding:26px 22px}
.cat-more h3{color:var(--green)}
.cat-more .link{display:inline-block;margin-top:12px}
.more-icon{display:block;width:38px;height:38px;color:var(--green-l);margin-bottom:14px}
.more-icon svg{width:100%;height:100%}

/* ---------- band ---------- */
.band{position:relative;height:clamp(220px,30vw,380px);overflow:hidden}
.band img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05)}
.band-txt{
  position:absolute;inset:auto 0 0 0;padding:34px 24px 26px;
  background:linear-gradient(transparent,rgba(8,30,21,.88));
  color:#fff;display:flex;flex-direction:column;gap:6px;
  max-width:var(--wrap);margin:0 auto;
}
.band-txt b{font-family:var(--serif);font-size:clamp(18px,2.2vw,26px)}
.band-txt span{font-size:13.5px;color:rgba(255,255,255,.75)}

/* ---------- spec table ---------- */
.spec{width:100%;border-collapse:collapse;background:#fff;font-size:15px}
.spec th,.spec td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.spec thead th{
  background:var(--green);color:#fff;font-weight:600;font-size:13.5px;letter-spacing:.06em;
}
.spec tbody td:first-child{width:170px;font-weight:600;color:var(--green);white-space:nowrap}
.spec tbody tr:last-child td{border-bottom:0}
.spec tbody tr:nth-child(even){background:#FBFAF5}

/* ---------- steps ---------- */
.steps{
  list-style:none;counter-reset:s;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  border-top:1px solid var(--line);
}
.steps li{
  position:relative;padding:28px 22px 8px 0;
  counter-increment:s;border-right:1px solid var(--line);
}
.steps li:last-child{border-right:0}
.steps li::before{
  content:counter(s,decimal-leading-zero);
  display:block;font-family:var(--serif);font-size:15px;color:var(--wheat);margin-bottom:10px;
}
.steps b{display:block;font-family:var(--serif);font-size:17px;margin-bottom:6px}
.steps span{font-size:13.5px;line-height:1.75;color:var(--muted)}

/* ---------- two cols ---------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.two-col h3{
  font-size:19px;padding-bottom:14px;margin-bottom:18px;
  border-bottom:1px solid rgba(255,255,255,.18);
}
.two-col ul{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.two-col li{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.78)}
.two-col b{display:block;color:#fff;font-weight:600;margin-bottom:2px}

/* ---------- qualify ---------- */
.qual{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.qual li{
  padding:22px 22px 24px;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(180deg,#fff,#FBFAF4);
}
.qual b{display:block;font-family:var(--serif);font-size:16.5px;margin-bottom:6px;color:var(--green)}
.qual span{font-size:13.5px;color:var(--muted)}

/* ---------- contact ---------- */
.contact-in{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.contact-info .sub{margin-bottom:28px}
.info{display:grid;gap:16px;margin:0}
.info > div{display:grid;grid-template-columns:74px 1fr;gap:14px;align-items:baseline}
.info dt{font-size:12px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
.info dd{margin:0;font-size:14.5px;line-height:1.8}
.info a{color:var(--green);border-bottom:1px solid rgba(20,80,58,.3)}

.form{background:#fff;border:1px solid var(--line);border-radius:10px;padding:30px 30px 26px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form label{display:block;font-size:13px;color:#3A443D;font-weight:600}
.form label.full{margin-bottom:16px}
.form input,.form textarea{
  width:100%;margin-top:7px;padding:11px 13px;font-family:var(--sans);font-size:14.5px;
  border:1px solid rgba(20,80,58,.22);border-radius:6px;background:#FCFBF7;color:var(--ink);
  transition:.18s;
}
.form input:focus,.form textarea:focus{
  outline:0;border-color:var(--green-l);background:#fff;box-shadow:0 0 0 3px rgba(44,115,85,.12);
}
.form textarea{resize:vertical}
.req{color:#C0392B}
.form-note{margin:12px 0 0;font-size:13px;min-height:20px;color:var(--green-l)}
.form-note.err{color:#C0392B}

/* ---------- footer ---------- */
.foot{background:var(--green-d);color:rgba(255,255,255,.62);padding:32px 0}
.foot-in{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-size:12.5px}
.foot b{color:#fff;font-family:var(--serif);font-size:15px;display:block;margin-bottom:6px}
.foot p{margin:0}
.copy{font-size:12px}

/* ---------- float tel ---------- */
.tel-float{
  position:fixed;right:20px;bottom:22px;z-index:60;
  width:52px;height:52px;border-radius:50%;
  background:var(--green);color:#fff;display:grid;place-items:center;
  box-shadow:0 10px 26px rgba(12,54,38,.35);
}
.tel-float svg{width:24px;height:24px}
.tel-float:hover{background:var(--green-d)}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}

/* ============================================================
   responsive
   ============================================================ */
@media (max-width:1000px){
  .nav{
    position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:10px 24px 18px;gap:4px;
    transform:translateY(-120%);transition:transform .28s;box-shadow:0 10px 30px rgba(0,0,0,.08);
  }
  .nav.open{transform:none}
  .nav a{padding:11px 0;border-bottom:1px solid var(--line);font-size:15px}
  .nav .btn{margin-top:10px;justify-content:center;border-bottom:0}
  .burger{display:block}
  .hero-in{padding:64px 24px 52px}
  .hero-bar{grid-template-columns:1fr 1fr}
  .hero-bar > div:nth-child(2n){border-right:0}
  .hero-bar > div:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.12)}
  .sec{padding:60px 0}
  .cats{grid-template-columns:1fr 1fr;gap:18px}
  .steps{grid-template-columns:1fr;border-top:0}
  .steps li{border-right:0;border-top:1px solid var(--line);padding:22px 0 8px}
  .two{grid-template-columns:1fr;gap:36px}
  .qual{grid-template-columns:1fr 1fr}
  .contact-in{grid-template-columns:1fr;gap:34px}
}
@media (max-width:620px){
  .wrap{padding:0 18px}
  .hero-in{padding:52px 18px 44px}
  .hero-bar > div{padding:16px 14px 20px}
  .hero-bar dd{font-size:14px}
  .cats{grid-template-columns:1fr}
  .qual{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  .form{padding:22px 18px}
  .spec th,.spec td{padding:13px 12px;font-size:13.5px}
  .spec tbody td:first-child{width:auto;white-space:normal}
  .sec h2{font-size:24px}
  .foot-in{flex-direction:column;align-items:flex-start;gap:10px}
}

/* ============================================================
   H5（≤760px）：按 750 设计稿的思路重排，不是把桌面版缩小
   ============================================================ */
.h5bar{display:none}

@media (max-width:760px){
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  .wrap{padding:0 16px}

  /* 顶部：更矮，避免占掉首屏 */
  .head-in{height:56px}
  .brand-txt b{font-size:15px}
  .brand-txt i{font-size:9.5px}

  /* 首屏：标题 + 卖点 + 双 CTA，一屏能看完 */
  .hero-in{padding:36px 16px 30px}
  .eyebrow{font-size:11px;letter-spacing:.14em;margin-bottom:12px}
  .hero h1{font-size:31px;line-height:1.28;margin-bottom:14px}
  .lede{font-size:14px;line-height:1.75;margin-bottom:16px}
  .hero-tags{gap:7px;margin-bottom:20px}
  .hero-tags span{font-size:11px;padding:5px 10px}
  .hero-cta{gap:10px}
  .hero-cta .btn{flex:1 1 auto;justify-content:center;padding:14px 12px;font-size:15px}
  .hero-bar > div{padding:12px 10px 14px}
  .hero-bar dt{font-size:9.5px;letter-spacing:.08em}
  .hero-bar dd{font-size:12.5px;margin-top:3px;line-height:1.4}

  /* 板块节奏收紧 */
  .sec{padding:46px 0}
  .sec-head{margin-bottom:26px}
  .sec h2{font-size:23px;line-height:1.35;margin-bottom:10px}
  .sub{font-size:13.5px;line-height:1.7}
  .sec-head .eyebrow{font-size:10.5px;margin-bottom:10px}

  /* 品类：两列小卡，避免一条条往下翻 */
  .cats{grid-template-columns:1fr 1fr;gap:12px}
  .cat{border-radius:6px}
  .cat img{aspect-ratio:1/1}
  .cat-body{padding:10px 11px 13px}
  .cat h3{font-size:14px;margin-bottom:5px}
  .cat p{font-size:11.5px;line-height:1.6}
  .cat-more .cat-body{padding:14px 12px}
  .more-icon{width:26px;height:26px;margin-bottom:8px}
  .cat-more .link{font-size:12px;margin-top:8px}

  /* 通栏横幅 */
  .band{height:190px}
  .band-txt{padding:24px 16px 16px}
  .band-txt b{font-size:17px}
  .band-txt span{font-size:12px}

  /* 表格 → 卡片列表 */
  .spec{background:none}
  .spec thead{display:none}
  .spec,.spec tbody,.spec tr,.spec td{display:block;width:100%}
  .spec tr{
    background:#fff;border:1px solid var(--line);border-radius:6px;
    padding:13px 14px;margin-bottom:10px;
  }
  .spec tbody tr:nth-child(even){background:#fff}
  .spec td{border:0;padding:0}
  .spec tbody td:first-child{
    width:auto;font-size:12px;letter-spacing:.06em;color:var(--green);
    margin-bottom:5px;white-space:normal;
  }
  .spec tbody td:last-child{font-size:13.5px;line-height:1.7;color:#39423C}

  /* 流程 → 竖向时间轴 */
  .steps{grid-template-columns:1fr;border:0;gap:0}
  .steps li{
    display:grid;grid-template-columns:34px 1fr;column-gap:12px;
    border:0;padding:0 0 18px;position:relative;
  }
  .steps li::before{
    grid-row:1 / span 2;width:34px;height:34px;border-radius:50%;
    background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;
    font-size:12px;margin:0;
  }
  .steps li::after{
    content:"";position:absolute;left:16px;top:34px;bottom:0;width:1px;background:var(--line);
  }
  .steps li:last-child{padding-bottom:0}
  .steps li:last-child::after{display:none}
  .steps b{grid-column:2;font-size:15.5px;margin:6px 0 3px}
  .steps span{grid-column:2;font-size:12.5px;line-height:1.65}

  /* 结算两栏 → 单列 */
  .two{gap:26px}
  .two-col h3{font-size:16px;padding-bottom:10px;margin-bottom:14px}
  .two-col ul{gap:12px}
  .two-col li{font-size:13px;line-height:1.7}

  /* 资质 */
  .qual{gap:10px}
  .qual li{padding:14px 14px 16px}
  .qual b{font-size:14.5px;margin-bottom:3px}
  .qual span{font-size:12px}

  /* 表单：整行、16px 防 iOS 聚焦缩放、按钮够大 */
  .contact-in{gap:26px}
  .info > div{grid-template-columns:58px 1fr;gap:10px}
  .info dt{font-size:10.5px}
  .info dd{font-size:13px;line-height:1.7}
  .form{padding:18px 16px}
  .row{grid-template-columns:1fr;gap:12px;margin-bottom:12px}
  .form label{font-size:12.5px}
  .form input,.form textarea{font-size:16px;padding:12px 12px;margin-top:6px}
  .form .btn-block{padding:15px;font-size:16px;border-radius:8px}
  .form-note{font-size:12.5px}

  /* 页脚 */
  .foot{padding:22px 0 26px}
  .foot b{font-size:13.5px}
  .foot p,.copy{font-size:11.5px;line-height:1.6}

  /* 浮动电话让位给底部条 */
  .tel-float{display:none}

  /* 底部常驻条 */
  .h5bar{
    display:flex;gap:10px;align-items:center;
    position:fixed;left:0;right:0;bottom:0;z-index:80;
    padding:9px 14px calc(9px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.97);
    border-top:1px solid var(--line);
    box-shadow:0 -6px 20px rgba(12,54,38,.10);
  }
  .h5bar-tel{
    display:flex;flex-direction:column;align-items:center;gap:2px;
    width:64px;flex:0 0 64px;color:var(--green);font-size:11px;
  }
  .h5bar-tel svg{width:21px;height:21px}
  .h5bar-cta{
    flex:1;text-align:center;padding:13px 10px;border-radius:8px;
    background:var(--green);color:#fff;font-size:15.5px;font-weight:600;
  }
  .h5bar-cta:active{background:var(--green-d)}
}

/* 超窄屏（≤360）再收一档 */
@media (max-width:360px){
  .hero h1{font-size:27px}
  .cats{grid-template-columns:1fr 1fr}
  .cat h3{font-size:13px}
  .cat p{font-size:11px}
}

/* H5 溢出修正：长文案按钮不许把页面撑宽 */
@media (max-width:760px){
  html,body{overflow-x:hidden}
  .hero-in,.hero-bar,.cats,.qual,.steps,.two{max-width:100%}
  .hero-cta{flex-wrap:wrap}
  .hero-cta .btn{
    flex:1 1 100%;min-width:0;width:100%;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .hero-cta .btn-line{order:2}
  .cat-body{min-width:0;word-break:break-word}
}

/* H5 栅格：用 minmax(0,1fr) 防止长内容把轨道撑宽 */
@media (max-width:760px){
  .cats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .qual{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat,.qual li,.hero-bar > div{min-width:0}
  .cat img{width:100%;min-width:0}
}