/* ==========================================================================
   湖北锦沐生态农业科技有限公司 · 企业官网样式
   配色取自素材：桑蚕丝米白 / 真丝金 / 深墨绿（桑园）/ 胭脂红（喜被）
   ========================================================================== */

:root{
  --ivory:#FBF9F6;
  --ivory-2:#F4EFE8;
  --sand:#E8DFD3;
  --sand-2:#D9CCBA;
  --gold:#B9975B;
  --gold-2:#D6BB86;
  --gold-3:#8C6D38;
  --ink:#2C2A26;
  --ink-2:#4A4741;
  --ink-3:#7A756C;
  --green:#2F6B4F;
  --green-2:#3E8A66;
  --green-3:#E6EFE9;
  --red:#B23A48;
  --red-2:#8E2A36;
  --line:#E3D9CB;
  --white:#FFFFFF;
  --shadow-s:0 2px 10px rgba(80,64,40,.06);
  --shadow-m:0 10px 30px rgba(80,64,40,.10);
  --shadow-l:0 22px 60px rgba(80,64,40,.16);
  --radius:14px;
  --radius-s:9px;
  --maxw:1240px;
  --nav-h:74px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 10px)}
body{
  margin:0;background:var(--ivory);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px}
p{margin:0}
button,input,textarea,select{font-family:inherit;font-size:inherit}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 顶栏 ---------- */
.topbar{
  background:var(--ink);color:rgba(255,255,255,.82);
  font-size:13px;letter-spacing:.4px;
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px}
.topbar-l,.topbar-r{display:flex;align-items:center;gap:20px;white-space:nowrap}
.topbar a{color:rgba(255,255,255,.86);transition:color .2s}
.topbar a:hover{color:var(--gold-2)}
.topbar svg{width:14px;height:14px;vertical-align:-2px;margin-right:5px;opacity:.8}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:120;background:rgba(251,249,246,.975);
  /* 不用 backdrop-filter：全宽吸顶栏上的模糊会在每一帧重新采样整个视口宽度，
     在集显/笔记本上直接导致滚动掉帧。改用高不透明度底色，观感几乎一致但零合成开销。 */
  border-bottom:1px solid var(--line);transition:box-shadow .25s;
}
.nav.scrolled{box-shadow:var(--shadow-s)}
/* 不支持 position:sticky 时的 JS 降级：fixed + 等高占位，避免内容跳动 */
.nav.nav-fixed{position:fixed;top:0;left:0;right:0;width:100%}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:44px;height:44px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--gold) 0%,var(--gold-2) 55%,var(--gold-3) 100%);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(185,151,91,.32);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-txt b{font-size:17px;letter-spacing:.6px;color:var(--ink)}
.brand-txt span{font-size:11px;color:var(--ink-3);letter-spacing:1.6px;text-transform:uppercase}
/* 自定义 Logo：方形标记图 / 横版完整 Logo（后台「品牌与 Logo」可配） */
.brand-mark img,.brand-mark>img{width:100%;height:100%;object-fit:cover;border-radius:inherit;display:block}
.brand-mark.logo-contain img{object-fit:contain}
.brand-logo{width:auto;max-width:292px;max-height:56px;object-fit:contain;display:block}
.foot-brand .brand-logo{max-width:238px;display:block}

.menu{display:flex;align-items:center;gap:4px}
.menu a{
  position:relative;display:block;padding:10px 15px;border-radius:8px;
  font-size:15px;color:var(--ink-2);font-weight:500;transition:.2s;
}
.menu a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2px;
  background:var(--gold);border-radius:2px;transform:scaleX(0);transform-origin:center;transition:transform .26s;
}
.menu a:hover{color:var(--gold-3);background:rgba(185,151,91,.07)}
.menu a:hover::after,.menu a.on::after{transform:scaleX(1)}
.menu a.on{color:var(--gold-3);font-weight:600}

.nav-cta{
  display:inline-flex;align-items:center;gap:7px;padding:10px 18px;border-radius:24px;
  background:var(--green);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 6px 18px rgba(47,107,79,.26);transition:.22s;white-space:nowrap;
}
.nav-cta:hover{background:var(--green-2);transform:translateY(-1px);color:#fff}
.nav-cta svg{width:15px;height:15px}

.burger{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;
  border-radius:10px;cursor:pointer;padding:0;place-items:center;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.burger.open span{background:transparent}
.burger.open span::before{transform:translateY(6px) rotate(45deg)}
.burger.open span::after{transform:translateY(-6px) rotate(-45deg)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:var(--nav-h) 0 0 auto;width:min(84vw,340px);background:var(--ivory);
  border-left:1px solid var(--line);transform:translateX(102%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  z-index:121;padding:18px;overflow-y:auto;box-shadow:var(--shadow-l);
}
.drawer.open{transform:none}
.drawer a{display:block;padding:14px 12px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink-2)}
.drawer a.on{color:var(--gold-3);font-weight:600}

/* ---------- 通用区块 ---------- */
section{position:relative}
.sec{padding:84px 0}
.sec-sm{padding:58px 0}
.sec-tint{background:var(--ivory-2)}
.sec-sand{background:linear-gradient(180deg,var(--ivory-2),var(--sand) 130%)}
.sec-dark{background:var(--ink);color:#EDE7DD}

/* 带背景图的 CTA 板块 */
.sec-cta{
  position:relative;overflow:hidden;color:#F5F0E8;
  background:var(--ink);
}
.sec-cta::before{
  content:"";position:absolute;inset:0;
  background:var(--cta-img,url("../img/banner/cta-band.jpg?v=202610271352")) center/cover no-repeat;
  opacity:.42;
}
.sec-cta::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(34,32,29,.72) 0%,rgba(34,32,29,.58) 46%,rgba(34,32,29,.74) 100%);
}
.sec-cta .wrap{position:relative;z-index:2}
.sec-cta .eyebrow{color:var(--gold-2)}
.sec-cta .sec-title{color:#fff}
.sec-cta .sec-desc{color:rgba(255,255,255,.78)}
.sec-cta .btn-ghost{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.06);color:#fff}
.sec-cta .btn-ghost:hover{border-color:var(--gold-2);color:var(--gold-2);background:rgba(255,255,255,.1)}

.head{max-width:740px;margin-bottom:46px}
.head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:2.4px;color:var(--gold-3);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--gold);border-radius:2px}
.head.center .eyebrow::before{display:none}
.sec-dark .eyebrow{color:var(--gold-2)}
.sec-title{font-size:clamp(26px,3.4vw,38px);letter-spacing:.6px}
.sec-desc{margin-top:16px;color:var(--ink-3);font-size:16px}
.sec-dark .sec-desc{color:rgba(255,255,255,.62)}

.btn{
  display:inline-flex;align-items:center;gap:9px;padding:14px 28px;border-radius:30px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:.24s;
}
.btn svg{width:16px;height:16px}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#fff;box-shadow:0 10px 26px rgba(185,151,91,.34)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(185,151,91,.42)}
.btn-green{background:var(--green);color:#fff;box-shadow:0 10px 26px rgba(47,107,79,.26)}
.btn-green:hover{background:var(--green-2);transform:translateY(-2px)}
.btn-ghost{border-color:var(--sand-2);color:var(--ink-2);background:#fff}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-3);background:#fff}
.sec-dark .btn-ghost{border-color:rgba(255,255,255,.26);background:transparent;color:#fff}
.sec-dark .btn-ghost:hover{border-color:var(--gold-2);color:var(--gold-2)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#FDFBF8 0%,var(--ivory-2) 46%,#EFE6D9 100%)}
.hero::after{
  content:"";position:absolute;right:-14%;top:-22%;width:62vw;height:62vw;max-width:900px;max-height:900px;
  background:radial-gradient(circle,rgba(185,151,91,.15),transparent 66%);border-radius:50%;pointer-events:none;
}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center;padding-top:74px;padding-bottom:74px}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:22px;
  background:rgba(47,107,79,.09);border:1px solid rgba(47,107,79,.18);
  color:var(--green);font-size:13px;font-weight:600;letter-spacing:.6px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--green);display:block}
.hero h1{margin:22px 0 0;font-size:clamp(32px,4.5vw,52px);line-height:1.24;letter-spacing:1px}
.hero h1 em{font-style:normal;color:var(--gold-3);
  background:linear-gradient(100deg,var(--gold-3),var(--gold-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{margin-top:20px;color:var(--ink-2);font-size:17px;max-width:540px}
.hero-acts{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-facts{display:flex;flex-wrap:wrap;gap:34px;margin-top:46px;padding-top:28px;border-top:1px solid var(--line)}
.hero-facts div b{display:block;font-size:26px;color:var(--gold-3);letter-spacing:.5px;line-height:1.2}
.hero-facts div b i{font-style:normal;font-size:15px;margin-left:2px}
.hero-facts div span{font-size:13px;color:var(--ink-3);letter-spacing:.4px}

.hero-visual{position:relative}
.hero-visual .frame{
  position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-l);
  aspect-ratio:4/3.4;background:var(--sand);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;object-position:center bottom}
.hero-visual .chip{
  position:absolute;left:-18px;bottom:-18px;background:#fff;border-radius:var(--radius);
  padding:16px 20px;box-shadow:var(--shadow-m);border:1px solid var(--line);max-width:230px;
  z-index:3;
}
.hero-visual .chip b{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}
.hero-visual .chip span{font-size:12.5px;color:var(--ink-3);line-height:1.6}
.hero-visual .chip em{font-style:normal;color:var(--gold-3);font-weight:700}
.hero-deco{
  position:absolute;right:-10px;top:-16px;width:92px;height:92px;border-radius:20px;
  background:linear-gradient(140deg,var(--gold),var(--gold-2));opacity:.16;transform:rotate(16deg);
}

/* ---------- 优势卡 ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;transition:.26s;min-width:0;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--sand-2)}
.card .ic{
  width:50px;height:50px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(140deg,rgba(185,151,91,.16),rgba(185,151,91,.06));color:var(--gold-3);
}
.card .ic svg{width:24px;height:24px}
.card h3{font-size:18px;margin-bottom:10px}
.card p{color:var(--ink-3);font-size:14.5px}

/* ---------- 产品分类 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.filters button{
  padding:9px 20px;border-radius:22px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:14.5px;cursor:pointer;transition:.22s;
}
.filters button:hover{border-color:var(--gold);color:var(--gold-3)}
.filters button.on{background:var(--gold);border-color:var(--gold);color:#fff;box-shadow:0 8px 20px rgba(185,151,91,.3)}

.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  cursor:pointer;transition:.28s;display:flex;flex-direction:column;min-width:0;
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-m);border-color:var(--sand-2)}
.pcard-img{position:relative;aspect-ratio:4/3.1;overflow:hidden;background:var(--sand)}
.pcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .55s}
.pcard:hover .pcard-img img{transform:scale(1.06)}
.pcard-tag{
  position:absolute;left:12px;top:12px;padding:4px 12px;border-radius:14px;
  background:rgba(44,42,38,.82);color:#fff;font-size:12px;letter-spacing:.5px;
}
.pcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;min-width:0}
.pcard-body h3{font-size:17.5px;margin-bottom:8px}
.pcard-body p{color:var(--ink-3);font-size:14px;flex:1}
.pcard-more{margin-top:14px;font-size:13.5px;color:var(--gold-3);font-weight:600;display:flex;align-items:center;gap:6px}
.pcard-more svg{width:14px;height:14px;transition:transform .24s}
.pcard:hover .pcard-more svg{transform:translateX(4px)}
.empty-tip{padding:60px 20px;text-align:center;color:var(--ink-3);grid-column:1/-1}

/* ---------- 工艺时间轴 ---------- */
.steps{position:relative;display:grid;gap:26px}
.steps::before{
  content:"";position:absolute;left:34px;top:22px;bottom:22px;width:2px;
  background:linear-gradient(180deg,var(--gold-2),var(--sand-2));border-radius:2px;
}
.step{position:relative;display:grid;grid-template-columns:70px 1fr;gap:24px;align-items:flex-start}
.step-no{
  position:relative;z-index:2;width:68px;height:68px;border-radius:50%;display:grid;place-items:center;
  background:#fff;border:2px solid var(--gold-2);color:var(--gold-3);
  font-size:20px;font-weight:800;box-shadow:var(--shadow-s);
}
.step-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;
  transition:.26s;min-width:0;
  display:grid;grid-template-columns:1fr 260px;gap:26px;align-items:center;
}
.step:hover .step-body{box-shadow:var(--shadow-m);border-color:var(--sand-2)}
.step-body .step-txt{min-width:0}
.step-body h3{font-size:18px;margin-bottom:8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.step-body h3 .k{font-size:12px;font-weight:600;color:var(--green);background:var(--green-3);padding:3px 10px;border-radius:12px}
.step-body p{color:var(--ink-3);font-size:14.5px}
.step-img{margin:0;border-radius:var(--radius-s);overflow:hidden;aspect-ratio:4/3;background:var(--sand-2)}
.step-img img{width:100%;height:100%;object-fit:cover}

/* 工艺流程图（画册同款） */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px}
.flow figure{margin:0;border-radius:var(--radius-s);overflow:hidden;background:#fff;border:1px solid var(--line)}
.flow figure img{aspect-ratio:4/3;width:100%;object-fit:cover}
.flow figcaption{padding:10px 12px;font-size:13px;color:var(--ink-2);text-align:center}

/* ---------- 品质/数据 ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.stat{
  background:linear-gradient(150deg,rgba(185,151,91,.1),rgba(185,151,91,.02));
  border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;text-align:center;
}
.stat b{display:block;font-size:34px;color:var(--gold-3);letter-spacing:.5px;line-height:1.15}
.stat b i{font-style:normal;font-size:16px;margin-left:3px}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--ink-3)}

/* 功效 */
.effects{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.eff{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);padding:18px 20px}
.eff b{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:var(--green-3);color:var(--green);
  display:grid;place-items:center;font-size:14px}
.eff div{min-width:0}
.eff h4{font-size:15px;margin-bottom:4px}
.eff p{font-size:13.5px;color:var(--ink-3)}

/* ---------- 证书 ---------- */
.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.26s}
.cert:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.cert-img{aspect-ratio:4/3;overflow:hidden;background:var(--ivory-2);display:grid;place-items:center}
.cert-img img{width:100%;height:100%;object-fit:contain;padding:12px}
.cert figcaption{padding:16px 18px;border-top:1px solid var(--line)}
.cert figcaption b{display:block;font-size:15px;margin-bottom:5px}
.cert figcaption span{font-size:13px;color:var(--ink-3)}
.cert figcaption em{font-style:normal;color:var(--gold-3);font-weight:700}

/* ---------- 新闻动态 ---------- */
.ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:.26s;cursor:pointer;outline:none;
}
.ncard:hover,.ncard:focus-visible{transform:translateY(-6px);box-shadow:var(--shadow-m);border-color:var(--sand-2)}
.ncard-img{position:relative;aspect-ratio:16/9.6;overflow:hidden;background:var(--sand)}
.ncard-img img{width:100%;height:100%;object-fit:cover;transition:transform .55s}
.ncard:hover .ncard-img img{transform:scale(1.05)}
.ncard-cat{
  position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--green);
  font-size:12px;font-weight:700;padding:4px 11px;border-radius:14px;box-shadow:var(--shadow-s);
}
.ncard-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;min-width:0}
.ncard-meta{display:flex;gap:12px;font-size:12.5px;color:var(--ink-3);margin-bottom:9px;flex-wrap:wrap}
.ncard-meta .src{color:var(--gold-3)}
.ncard-body h3{
  font-size:16.5px;line-height:1.5;margin-bottom:9px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ncard-body p{
  color:var(--ink-3);font-size:13.8px;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.ncard-more{margin-top:14px;font-size:13.5px;color:var(--gold-3);font-weight:600;display:flex;align-items:center;gap:6px}
.ncard-more svg{width:14px;height:14px;transition:transform .24s}
.ncard:hover .ncard-more svg{transform:translateX(4px)}

/* 资讯详情（弹窗） */
.nd-img{aspect-ratio:16/7;overflow:hidden;background:var(--sand)}
.nd-img img{width:100%;height:100%;object-fit:cover;display:block}
.nd-inner{padding:30px 34px 34px}
.nd-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-3);margin-bottom:12px;flex-wrap:wrap}
.nd-cat{background:var(--green-3);color:var(--green);font-size:12px;font-weight:700;padding:4px 11px;border-radius:14px}
.nd-inner h2{font-size:24px;line-height:1.42;margin-bottom:12px}
.nd-src{font-size:13.5px;color:var(--ink-3);padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:20px}
.nd-src a{color:var(--gold-3);font-weight:600}
.nd-content p{color:var(--ink-2);font-size:15.5px;line-height:1.95;margin-bottom:15px}
.nd-content strong{color:var(--ink);font-weight:700}
.nd-note{
  margin-top:22px;padding:14px 16px;background:var(--ivory-2);border-left:3px solid var(--gold);
  border-radius:6px;font-size:13px;color:var(--ink-3);line-height:1.8;word-break:break-all;
}
.nd-note a{color:var(--gold-3)}

/* ---------- 企业宣传片 ---------- */
.vwrap{max-width:960px;margin:0 auto}
.vbox{
  position:relative;border-radius:var(--radius);overflow:hidden;background:var(--ink);
  aspect-ratio:16/9;box-shadow:0 22px 60px rgba(80,64,40,.18);
}
.vbox img.vposter{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s,opacity .4s}
.vbox:hover img.vposter{transform:scale(1.03)}
.vplay{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:78px;height:78px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.94);color:var(--green);display:grid;place-items:center;
  box-shadow:0 12px 36px rgba(0,0,0,.3);transition:.24s;
}
.vplay svg{width:30px;height:30px;margin-left:4px}
.vplay:hover{transform:translate(-50%,-50%) scale(1.08);background:#fff}
.vmeta{
  position:absolute;left:0;right:0;bottom:0;padding:40px 22px 16px;color:#fff;
  background:linear-gradient(transparent,rgba(0,0,0,.68));
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.vmeta b{font-size:15.5px;font-weight:700}
.vmeta span{flex:none;font-size:12.5px;background:rgba(255,255,255,.2);padding:3px 10px;border-radius:12px;letter-spacing:.02em}
.vbox video{width:100%;height:100%;display:block;background:#000}

/* ---------- 文理结合 ---------- */
.philo{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;min-width:0}
.philo-h{display:flex;align-items:center;gap:13px;margin-bottom:16px}
.philo-ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--green-3);color:var(--green);flex:none}
.philo-ic svg{width:23px;height:23px}
.philo-no{font-size:30px;line-height:1;color:var(--gold);font-weight:800;letter-spacing:.04em}
.philo h3{font-size:17.5px;line-height:1.55;margin-bottom:13px}
.philo p{color:var(--ink-2);font-size:15px;line-height:1.95;margin-bottom:12px}
.philo p:last-child{margin-bottom:0}

/* ---------- 愿景要点 ---------- */
.vlist{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.vlist li{
  display:flex;gap:11px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-s);padding:14px 17px;font-size:14.5px;color:var(--ink-2);line-height:1.75;
}
.vlist li::before{
  content:"✓";flex:none;width:20px;height:20px;border-radius:50%;background:var(--green-3);
  color:var(--green);font-size:12px;font-weight:800;display:grid;place-items:center;margin-top:3px;
}

/* ---------- 时间线（发展历程/关怀） ---------- */
.tl{display:grid;gap:0}
.tl-item{display:grid;grid-template-columns:150px 1fr;gap:26px;padding:22px 0;border-bottom:1px dashed var(--line)}
.tl-item:last-child{border-bottom:0}
.tl-item b{color:var(--gold-3);font-size:15px;letter-spacing:.4px}
.tl-item p{color:var(--ink-2);font-size:15px}

/* ---------- 轮播 ---------- */
.slider{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--sand)}
.slider-track{display:flex;transition:transform .55s cubic-bezier(.4,0,.2,1)}
.slider-track figure{margin:0;flex:0 0 100%;position:relative}
.slider-track img{width:100%;aspect-ratio:16/7;object-fit:cover}
.slider-track figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:40px 28px 22px;color:#fff;
  background:linear-gradient(transparent,rgba(0,0,0,.62));font-size:15px;letter-spacing:.4px;
}
.slider-btn{
  position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;
  border:0;background:rgba(255,255,255,.86);color:var(--ink);cursor:pointer;display:grid;place-items:center;
  transition:.2s;box-shadow:var(--shadow-s);
}
.slider-btn:hover{background:#fff;color:var(--gold-3)}
.slider-btn.prev{left:14px}
.slider-btn.next{right:14px}
.slider-btn svg{width:18px;height:18px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}
.slider-dots button{width:8px;height:8px;border-radius:50%;border:0;background:rgba(255,255,255,.5);cursor:pointer;padding:0;transition:.24s}
.slider-dots button.on{background:#fff;width:22px;border-radius:5px}

/* ---------- 留言表单 ---------- */
.form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-s)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px;font-weight:600}
.field label i{font-style:normal;color:var(--red)}
.field input,.field textarea,.field select{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:var(--ivory);color:var(--ink);transition:.22s;resize:vertical;
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:0;border-color:var(--gold);background:#fff;box-shadow:0 0 0 3px rgba(185,151,91,.13);
}
.field textarea{min-height:124px}
.hint{font-size:12.5px;color:var(--ink-3);margin-top:6px}
.form-msg{margin-top:14px;font-size:14px;padding:12px 15px;border-radius:var(--radius-s);display:none}
.form-msg.ok{display:block;background:var(--green-3);color:var(--green);border:1px solid rgba(47,107,79,.2)}
.form-msg.err{display:block;background:#FCEBEC;color:var(--red-2);border:1px solid rgba(178,58,72,.24)}
.form-msg.load{display:block;background:var(--ivory-2);color:var(--ink-2);border:1px solid var(--line)}
.contact-list{display:grid;gap:16px}
.cline{display:flex;gap:15px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);padding:18px 20px}
.cline .ic{flex:0 0 auto;width:40px;height:40px;border-radius:11px;background:var(--green-3);color:var(--green);display:grid;place-items:center}
.cline .ic svg{width:19px;height:19px}
.cline div{min-width:0}
.cline b{display:block;font-size:14px;color:var(--ink);margin-bottom:3px}
.cline p,.cline a{font-size:14.5px;color:var(--ink-2);word-break:break-all}
.cline a:hover{color:var(--gold-3)}
.todo{color:var(--gold-3);font-size:12.5px;background:rgba(185,151,91,.1);border:1px dashed var(--gold-2);
  border-radius:6px;padding:2px 8px;display:inline-block;margin-left:6px;font-weight:600}

/* ---------- 页脚 ---------- */
footer{
  position:relative;color:var(--ink-2);padding:76px 0 0;font-size:14px;
  background:linear-gradient(180deg,var(--ivory-2) 0%,var(--sand) 100%);
  border-top:1px solid var(--line);
  margin-top:0;
}
footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--green) 0%,var(--gold) 48%,var(--gold-2) 100%);
}
/* CTA 与页脚之间的呼吸留白 */
.sec-cta + #site-footer footer,
.sec-cta + footer{padding-top:84px}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:52px}
footer h4{color:var(--ink);font-size:15px;margin-bottom:16px;letter-spacing:.6px;position:relative;padding-left:12px}
footer h4::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--gold),var(--gold-2));
}
footer a{color:var(--ink-2);transition:color .2s}
footer a:hover{color:var(--gold-3)}
footer li{margin-bottom:9px;line-height:1.6}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.foot-brand .brand-mark{width:38px;height:38px;font-size:15px;border-radius:10px}
.foot-bottom a{color:var(--ink-3);text-decoration:underline;text-underline-offset:2px;transition:.16s}
.foot-bottom a:hover{color:var(--gold-d)}
.foot-brand b{color:var(--ink);font-size:16px;letter-spacing:.5px}
.foot-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;display:flex;flex-wrap:wrap;
  gap:10px;justify-content:space-between;font-size:13px;color:var(--ink-3);
  padding-right:70px;
}
.foot-bottom a{color:var(--ink-3)}
.foot-bottom a:hover{color:var(--gold-3)}

/* ---------- 通用页面头（带背景图） ---------- */
.pagehead{
  position:relative;overflow:hidden;
  padding:76px 0 66px;border-bottom:1px solid var(--line);
  background:var(--ivory-2);
}
.pagehead::before{
  content:"";position:absolute;inset:0;
  background-image:var(--ph-img,none);
  background-size:cover;background-position:center right;
  opacity:.55;
}
.pagehead::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(251,249,246,.98) 0%,rgba(251,249,246,.92) 34%,rgba(251,249,246,.62) 62%,rgba(251,249,246,.34) 100%);
}
.pagehead .wrap{position:relative;z-index:2}
.crumb{font-size:13.5px;color:var(--ink-3);margin-bottom:14px}
.crumb a:hover{color:var(--gold-3)}
.crumb span{margin:0 7px;opacity:.5}
.pagehead h1{font-size:clamp(26px,3.6vw,40px);letter-spacing:1px}
.pagehead p{margin-top:14px;color:var(--ink-2);max-width:720px}

/* 各页背景图 */
.pagehead.ph-about{--ph-img:url("../img/banner/pagehead-about.jpg?v=202610271352")}
.pagehead.ph-products{--ph-img:url("../img/banner/pagehead-products.jpg?v=202610271352")}
.pagehead.ph-craft{--ph-img:url("../img/banner/pagehead-craft.jpg?v=202610271352")}
.pagehead.ph-quality{--ph-img:url("../img/banner/pagehead-quality.jpg?v=202610271352")}
.pagehead.ph-contact{--ph-img:url("../img/banner/pagehead-contact.jpg?v=202610271352")}
.pagehead.ph-news{--ph-img:url("../img/company/mulberry-field3.jpg?v=202610271352")}
.pagehead.ph-message{--ph-img:url("../img/company/company-aerial.jpg?v=202610271352")}

/* ---------- 模态框（产品详情） ---------- */
.modal{
  position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:24px;
  background:rgba(30,27,23,.62);backdrop-filter:blur(4px);
}
.modal.open{display:flex;animation:fade .22s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal-box{
  background:var(--ivory);border-radius:18px;max-width:980px;width:100%;max-height:88vh;overflow:auto;
  box-shadow:var(--shadow-l);position:relative;animation:pop .28s cubic-bezier(.34,1.4,.64,1);
}
@keyframes pop{from{transform:translateY(22px) scale(.97);opacity:0}to{transform:none;opacity:1}}
/* 弹窗关闭按钮
   —— 弹窗右上角可能压在照片（明/暗不定）或白色正文上，因此用「深色实心底 + 白色图标」，
      在任何底图上都能保证对比度；再用一层可见投影把它从背景中「抬起来」。 */
.modal-close{
  position:absolute;right:14px;top:14px;
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  padding:0;z-index:4;
  border:1px solid rgba(255,255,255,.34);
  background:rgba(44,42,38,.78);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  color:#fff;
  box-shadow:0 4px 14px rgba(20,17,13,.30), 0 1px 3px rgba(20,17,13,.24);
  transition:background .18s,border-color .18s,transform .18s,box-shadow .18s;
}
.modal-close svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.5;stroke-linecap:round}
.modal-close:hover{background:var(--green);border-color:rgba(255,255,255,.5);transform:scale(1.06);box-shadow:0 8px 24px rgba(47,107,79,.42)}
.modal-close:active{transform:scale(.95)}
.modal-close:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
@media (prefers-reduced-motion:reduce){
  .modal-close{transition:none}
  .modal-close:hover,.modal-close:active{transform:none}
}
.modal-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.modal-media{background:var(--sand);min-height:280px}
.modal-media img{width:100%;height:100%;object-fit:cover;min-height:280px}
.modal-thumbs{display:flex;gap:8px;padding:10px;background:#fff;flex-wrap:wrap}
.modal-thumbs img{width:62px;height:62px;object-fit:cover;border-radius:7px;cursor:pointer;border:2px solid transparent;transition:.2s}
.modal-thumbs img.on{border-color:var(--gold)}
.modal-body{padding:34px 32px}
.modal-body .pcard-tag{position:static;display:inline-block;margin-bottom:14px;
  background:var(--green-3);color:var(--green);backdrop-filter:none}
.modal-body h2{font-size:24px;margin-bottom:14px}
.modal-body .desc{color:var(--ink-2);font-size:15px;margin-bottom:22px}
.spec{margin:0 0 20px}
.spec table{width:100%;border-collapse:collapse;font-size:14px}
.spec th,.spec td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec th{width:104px;color:var(--ink-3);font-weight:600;background:rgba(232,223,211,.34)}
.spec td{color:var(--ink-2)}
.modal-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}

/* ---------- 回到顶部 ---------- */
.totop{
  position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;border:0;
  background:var(--green);color:#fff;cursor:pointer;display:grid;place-items:center;z-index:110;
  box-shadow:0 10px 26px rgba(47,107,79,.32);opacity:0;pointer-events:none;transition:.28s;
}
.totop.show{opacity:1;pointer-events:auto}
.totop:hover{background:var(--green-2);transform:translateY(-3px)}
.totop svg{width:19px;height:19px}

/* ---------- 滚动入场 ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.4,0,.2,1)}
.rv.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .menu,.nav-cta{display:none}
  .burger{display:grid}
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .hero-visual .chip{left:auto;right:14px;bottom:14px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .ngrid{grid-template-columns:repeat(2,1fr)}
  .foot-top{grid-template-columns:1fr 1fr;gap:28px}
  .form-grid{grid-template-columns:1fr;gap:32px}
  .modal-grid{grid-template-columns:1fr}
  .modal-media img{min-height:220px;max-height:340px}
}
@media (max-width:820px){
  .sec{padding:62px 0}
  .g3,.effects,.certs,.stats,.flow{grid-template-columns:1fr 1fr}
  .topbar-l span.hide-sm{display:none}
  .tl-item{grid-template-columns:1fr;gap:6px}
  .step-body{grid-template-columns:1fr 200px;gap:20px}
}
@media (max-width:640px){
  .wrap{padding:0 18px}
  .topbar .wrap{height:auto;padding:8px 18px;flex-wrap:wrap;gap:6px 14px}
  .topbar-r{display:none}
  .brand-txt span{display:none}
  .brand-logo{max-width:186px;max-height:40px}
  .hero .wrap{padding-top:46px;padding-bottom:52px}
  .hero-visual .chip{position:static;left:auto;right:auto;bottom:auto;margin-top:14px;max-width:none}
  .hero-facts{gap:22px}
  .hero-facts div b{font-size:22px}
  .grid,.g2,.g3,.g4,.pgrid,.effects,.certs,.stats,.flow,.ngrid{grid-template-columns:1fr}
  .ncard-body h3{font-size:16px}
  .nd-img{aspect-ratio:16/9}
  .nd-inner{padding:22px 20px 26px}
  .nd-inner h2{font-size:19.5px}
  .nd-content p{font-size:15px}
  .nd-note{font-size:12.5px}
  .vplay{width:58px;height:58px}
  .vplay svg{width:23px;height:23px}
  .vmeta{padding:30px 15px 12px}
  .vmeta b{font-size:13.5px}
  .philo{padding:22px 19px}
  .philo-no{font-size:26px}
  .philo h3{font-size:16.5px}
  .vlist li{font-size:14px;padding:12px 14px}
  .step{grid-template-columns:52px 1fr;gap:16px}
  .steps::before{left:26px}
  .step-no{width:52px;height:52px;font-size:16px}
  .step-body{padding:18px 18px;grid-template-columns:1fr;gap:14px}
  .step-img{aspect-ratio:16/9}
  .foot-top{grid-template-columns:1fr}
  .modal-body{padding:24px 20px}
  .modal{padding:0;align-items:flex-end}
  .modal-box{border-radius:18px 18px 0 0;max-height:92vh}
  .slider-track img{aspect-ratio:4/3}
  .slider-btn{width:36px;height:36px}
  .totop{right:14px;bottom:16px;width:42px;height:42px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}