@charset "utf-8";
/* ==========================================================================
   泰州茸季食品有限公司 官网样式表
   设计基调：清新 / 简洁 / 留白 / 自然绿 + 暖橙点缀
   无第三方依赖，纯手写，便于直接静态部署
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root{
  /* 品牌色：自然绿（蔬菜·新鲜） */
  --brand:        #2E7D5B;
  --brand-600:    #24664A;
  --brand-500:    #35916A;
  --brand-100:    #E9F3EE;
  --brand-50:     #F3F9F6;

  /* 点缀色：暖橙（食欲·拌饭） */
  --accent:       #D9762B;
  --accent-600:   #BC5F1D;
  --accent-100:   #FDF0E6;

  /* 文字 */
  --ink:          #1E2A24;
  --ink-2:        #4B5A52;
  --ink-3:        #7D8B84;
  --ink-invert:   #FFFFFF;

  /* 背景与线条 */
  --bg:           #FFFFFF;
  --bg-soft:      #F7FBF8;
  --bg-soft-2:    #EEF5F0;
  --line:         #E5EDE8;
  --line-strong:  #D3E0D8;

  /* 圆角 / 阴影 */
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 20px;
  --r-pill: 999px;
  --sh-1: 0 1px 2px rgba(30,42,36,.04), 0 2px 8px rgba(30,42,36,.04);
  --sh-2: 0 2px 6px rgba(30,42,36,.05), 0 12px 28px rgba(30,42,36,.07);
  --sh-3: 0 8px 40px rgba(30,42,36,.10);

  /* 布局 */
  --wrap: 1200px;
  --gap:  24px;

  /* 字体 */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
          "Noto Sans CJK SC", sans-serif;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. 重置 ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img,svg{ max-width:100%; display:block; height:auto; }
a{ color:inherit; text-decoration:none; transition:color .2s var(--ease); }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,h5{ margin:0; font-weight:700; line-height:1.35; letter-spacing:-.01em; }
p{ margin:0; }
button,input,select,textarea{ font:inherit; color:inherit; }
:focus-visible{ outline:2px solid var(--brand); outline-offset:3px; border-radius:4px; }

/* ---------- 3. 布局工具类 ---------- */
.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 24px; }
.section{ padding:88px 0; }
.section--soft{ background:var(--bg-soft); }
.section--tint{ background:var(--brand-50); }
.section--head{ max-width:680px; margin:0 auto 56px; text-align:center; }
.eyebrow{
  display:inline-block; font-size:13px; font-weight:700; letter-spacing:.14em;
  color:var(--brand); background:var(--brand-100);
  padding:6px 14px; border-radius:var(--r-pill); margin-bottom:18px;
}
.section--head h2{ font-size:clamp(26px,3.2vw,38px); margin-bottom:14px; }
.section--head p{ color:var(--ink-2); font-size:16.5px; }
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}

/* ---------- 4. 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 28px; border-radius:var(--r-pill);
  font-size:15.5px; font-weight:600; border:1px solid transparent;
  cursor:pointer; transition:all .22s var(--ease); white-space:nowrap;
}
.btn--primary{ background:var(--brand); color:#fff; box-shadow:0 6px 18px rgba(46,125,91,.22); }
.btn--primary:hover{ background:var(--brand-600); transform:translateY(-2px); box-shadow:0 10px 24px rgba(46,125,91,.28); }
.btn--accent{ background:var(--accent); color:#fff; box-shadow:0 6px 18px rgba(217,118,43,.22); }
.btn--accent:hover{ background:var(--accent-600); transform:translateY(-2px); }
.btn--ghost{ background:#fff; color:var(--brand); border-color:var(--line-strong); }
.btn--ghost:hover{ border-color:var(--brand); background:var(--brand-50); }
.btn--sm{ padding:9px 20px; font-size:14px; }

/* ---------- 5. 顶部条 + 导航 ---------- */
.topbar{
  background:var(--ink); color:rgba(255,255,255,.78); font-size:13.5px;
}
.topbar .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:40px; gap:16px;
}
.topbar a{ color:rgba(255,255,255,.78); }
.topbar a:hover{ color:#fff; }
.topbar__left{ display:flex; align-items:center; gap:20px; flex-wrap:wrap; }
.topbar__right{ display:flex; align-items:center; gap:16px; }
.lang{ display:flex; align-items:center; gap:6px; }
.lang button{
  background:none; border:0; cursor:pointer; font-size:13.5px;
  color:rgba(255,255,255,.6); padding:2px 6px; border-radius:4px;
}
.lang button.is-active{ color:#fff; font-weight:700; }
.lang button:hover{ color:#fff; }

.header{
  position:sticky; top:0; z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header__inner{ display:flex; align-items:center; justify-content:space-between; height:76px; gap:24px; }
.brand{ display:flex; align-items:center; gap:12px; flex-shrink:0; }
.brand__mark{
  width:42px; height:42px; border-radius:11px; flex-shrink:0;
  display:block; overflow:hidden;
}
.brand__mark img{ display:block; width:100%; height:100%; }
.brand__name{ display:block; font-size:18px; font-weight:800; letter-spacing:-.01em; line-height:1.25; }
.brand__sub{ display:block; font-size:12px; color:var(--ink-3); letter-spacing:.06em; margin-top:3px; }

.nav{ display:flex; align-items:center; gap:4px; }
.nav a{
  position:relative; padding:9px 16px; border-radius:var(--r-pill);
  font-size:15.5px; font-weight:500; color:var(--ink-2);
}
.nav a:hover{ color:var(--brand); background:var(--brand-50); }
.nav a.is-active{ color:var(--brand); background:var(--brand-100); font-weight:600; }
.header__cta{ display:flex; align-items:center; gap:12px; }
.header__tel{ font-size:15px; font-weight:700; color:var(--brand); white-space:nowrap; }

.nav-toggle{
  display:none; width:42px; height:42px; border:1px solid var(--line-strong);
  background:#fff; border-radius:10px; cursor:pointer; padding:0;
  align-items:center; justify-content:center;
}
.nav-toggle span{ display:block; width:18px; height:1.6px; background:var(--ink); position:relative; }
.nav-toggle span::before,.nav-toggle span::after{
  content:""; position:absolute; left:0; width:18px; height:1.6px; background:var(--ink);
}
.nav-toggle span::before{ top:-6px; } .nav-toggle span::after{ top:6px; }

/* ---------- 6. Hero ---------- */
.hero{
  position:relative; overflow:hidden;
  background:
    radial-gradient(900px 460px at 88% 8%, var(--brand-100) 0%, rgba(233,243,238,0) 62%),
    linear-gradient(180deg,var(--brand-50) 0%,#fff 100%);
}
.hero .wrap{
  display:grid; grid-template-columns:1.05fr .95fr; gap:56px;
  align-items:center; padding-top:76px; padding-bottom:88px;
}
.hero h1{
  font-size:clamp(30px,4.2vw,50px); line-height:1.22; margin-bottom:20px;
}
.hero h1 em{ font-style:normal; color:var(--brand); }
.hero__lead{ font-size:17.5px; color:var(--ink-2); margin-bottom:28px; max-width:540px; }
.hero__tags{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:32px; }
.tag{
  font-size:13.5px; color:var(--ink-2); background:#fff;
  border:1px solid var(--line-strong); padding:6px 14px; border-radius:var(--r-pill);
}
.hero__actions{ display:flex; gap:14px; flex-wrap:wrap; }
.hero__art{ position:relative; }
.hero__art > .hero__qr{ border-radius:var(--r-lg); }
.hero__qr{ display:flex; flex-direction:column; align-items:center; gap:16px;
  background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  padding:22px 22px 20px; box-shadow:var(--sh-3); }
.hero__qr-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; width:100%; align-items:stretch; }
.hero__qr-card{
  display:flex; flex-direction:column; align-items:center; gap:8px;
  padding:12px 8px 14px; border:1px dashed var(--line); border-radius:var(--r);
  background:var(--brand-50);
}
.hero__chip{
  display:inline-block; font-size:12.5px; font-weight:700; color:var(--brand);
  background:var(--brand-100); padding:6px 14px; border-radius:var(--r-pill);
  letter-spacing:.5px; margin-bottom:20px;
}
.hero__qr-card img{
  width:100%; aspect-ratio:1/1; height:auto; background:#fff; border-radius:6px;
  box-shadow:var(--sh-1);
}
.hero__qr-cap{ font-size:14px; font-weight:700; color:var(--brand); letter-spacing:.3px;
  display:flex; align-items:center; gap:6px; margin:0; line-height:1.4; text-align:center; }
.hero__qr-cap svg{ color:var(--brand); flex-shrink:0; }
.hero__qr-tip{ font-size:11.5px; color:var(--ink-3); margin:0; letter-spacing:.2px; line-height:1.5; text-align:center; }
.hero__qr-divider{
  display:flex; align-items:center; gap:8px; width:100%; color:var(--ink-3);
  font-size:11.5px; letter-spacing:1px;
}
.hero__qr-divider::before, .hero__qr-divider::after{
  content:""; flex:1; height:1px; background:var(--line);
}
/* 数据条 */
.stats{ background:#fff; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.stats__grid{ display:grid; grid-template-columns:repeat(4,1fr); }
.stats__item{ padding:34px 20px; text-align:center; border-right:1px solid var(--line); }
.stats__item:last-child{ border-right:0; }
.stats__num{ font-size:34px; font-weight:800; color:var(--brand); line-height:1.1; letter-spacing:-.02em; }
.stats__num small{ font-size:16px; font-weight:600; margin-left:2px; }
.stats__label{ font-size:14px; color:var(--ink-3); margin-top:6px; }

/* ---------- 7. 通用卡片网格 ---------- */
.grid{ display:grid; gap:var(--gap); }
.grid--3{ grid-template-columns:repeat(3,1fr); }
.grid--2{ grid-template-columns:repeat(2,1fr); }
.grid--4{ grid-template-columns:repeat(4,1fr); }

.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--r);
  padding:30px 28px; transition:all .26s var(--ease);
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--sh-2); border-color:var(--line-strong); }
.card__icon{
  width:48px; height:48px; border-radius:13px; display:grid; place-items:center;
  background:var(--brand-100); color:var(--brand); margin-bottom:18px;
}
.card__icon svg{ width:24px; height:24px; }
.card h3{ font-size:18.5px; margin-bottom:10px; }
.card p{ color:var(--ink-2); font-size:15px; line-height:1.72; }

/* ---------- 8. 产品品类 ---------- */
.cat{
  display:block; background:#fff; border:1px solid var(--line);
  border-radius:var(--r-lg); overflow:hidden; transition:all .28s var(--ease);
}
.cat:hover{ transform:translateY(-6px); box-shadow:var(--sh-3); border-color:var(--brand-100); }
.cat__img{ aspect-ratio:4/3; overflow:hidden; background:var(--bg-soft-2); }
.cat__img img{ width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease); }
.cat:hover .cat__img img{ transform:scale(1.05); }
.cat__body{ padding:26px 26px 28px; }
.cat__body h3{ font-size:20px; margin-bottom:8px; display:flex; align-items:center; gap:8px; }
.cat__body h3::after{
  content:""; margin-left:auto; width:26px; height:26px; flex-shrink:0;
  background:var(--brand); border-radius:50%;
  -webkit-mask:var(--arrow) center/12px no-repeat; mask:var(--arrow) center/12px no-repeat;
  --arrow:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3'><path d='M5 12h14M13 6l6 6-6 6'/></svg>");
  transition:transform .26s var(--ease);
}
.cat:hover .cat__body h3::after{ transform:translateX(4px); }
.cat__body p{ color:var(--ink-2); font-size:15px; margin-bottom:16px; }
.cat__list{ display:flex; flex-wrap:wrap; gap:8px; }
.cat__list li{
  font-size:13px; color:var(--ink-2); background:var(--bg-soft);
  border:1px solid var(--line); padding:5px 12px; border-radius:var(--r-pill);
}

/* ---------- 9. 应用场景 ---------- */
.scene{
  position:relative; border-radius:var(--r); overflow:hidden;
  min-height:220px; padding:28px; display:flex; flex-direction:column; justify-content:flex-end;
  color:#fff; background:var(--brand);
}
.scene::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg,rgba(30,42,36,.05) 0%,rgba(30,42,36,.78) 100%);
}
.scene img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:-1; }
.scene h3{ font-size:19px; margin-bottom:6px; position:relative; }
.scene p{ font-size:14.5px; color:rgba(255,255,255,.85); position:relative; }

/* ---------- 10. 流程步骤 ---------- */
.steps{ display:grid; grid-template-columns:repeat(6,1fr); gap:16px; position:relative; }
.steps--4{ grid-template-columns:repeat(4,1fr); }
.step{ text-align:center; position:relative; }
.step__no{
  width:46px; height:46px; margin:0 auto 14px; border-radius:50%;
  background:#fff; border:2px solid var(--brand-100); color:var(--brand);
  display:grid; place-items:center; font-weight:800; font-size:17px;
  position:relative; z-index:1; transition:all .24s var(--ease);
}
.step:hover .step__no{ background:var(--brand); color:#fff; border-color:var(--brand); }
.step h4{ font-size:15.5px; margin-bottom:4px; }
.step p{ font-size:13.5px; color:var(--ink-3); }
.step:not(:last-child)::after{
  content:""; position:absolute; top:23px; left:calc(50% + 30px);
  width:calc(100% - 60px); height:1px;
  background:repeating-linear-gradient(90deg,var(--line-strong) 0 6px,transparent 6px 12px);
}

/* ---------- 11. FAQ ---------- */
.faq{ max-width:820px; margin:0 auto; }
.faq__item{ border:1px solid var(--line); border-radius:var(--r); margin-bottom:12px; background:#fff; overflow:hidden; }
.faq__q{
  width:100%; text-align:left; padding:20px 56px 20px 24px; background:none; border:0;
  cursor:pointer; font-size:16.5px; font-weight:600; position:relative; color:var(--ink);
}
.faq__q::after{
  content:""; position:absolute; right:24px; top:50%; width:10px; height:10px;
  border-right:2px solid var(--ink-3); border-bottom:2px solid var(--ink-3);
  transform:translateY(-70%) rotate(45deg); transition:transform .26s var(--ease);
}
.faq__item.is-open .faq__q::after{ transform:translateY(-30%) rotate(225deg); }
.faq__item.is-open .faq__q{ color:var(--brand); }
.faq__a{ max-height:0; overflow:hidden; transition:max-height .32s var(--ease); }
.faq__a-inner{ padding:0 24px 22px; color:var(--ink-2); font-size:15.5px; }

/* ---------- 12. CTA 条 ---------- */
.cta{
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-500) 60%,#3FA06F 100%);
  color:#fff; border-radius:var(--r-lg); padding:56px 56px;
  display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap;
}
.cta h2{ font-size:clamp(24px,2.6vw,32px); margin-bottom:8px; }
.cta p{ color:rgba(255,255,255,.86); font-size:16px; }
.cta .btn--accent{ background:#fff; color:var(--brand); }
.cta .btn--accent:hover{ background:var(--accent-100); color:var(--accent-600); }
.cta .btn--ghost{ background:transparent; color:#fff; border-color:rgba(255,255,255,.5); }
.cta .btn--ghost:hover{ background:rgba(255,255,255,.14); border-color:#fff; }

/* ---------- 13. 面包屑 ---------- */
.crumb{ background:var(--bg-soft); border-bottom:1px solid var(--line); }
.crumb ol{ display:flex; flex-wrap:wrap; align-items:center; gap:8px; padding:14px 0; font-size:14px; color:var(--ink-3); }
.crumb a:hover{ color:var(--brand); }
.crumb li+li::before{ content:"/"; margin-right:8px; color:var(--line-strong); }
.crumb [aria-current]{ color:var(--ink-2); }

/* ---------- 14. 页面头 ---------- */
.pagehead{ background:linear-gradient(180deg,var(--brand-50) 0%,#fff 100%); padding:60px 0 44px; text-align:center; }
.pagehead h1{ font-size:clamp(28px,3.6vw,42px); margin-bottom:12px; }
.pagehead p{ color:var(--ink-2); font-size:17px; max-width:640px; margin:0 auto; }

/* ---------- 15. 产品页筛选 ---------- */
.filters{ display:flex; flex-wrap:wrap; gap:10px; justify-content:center; margin-bottom:40px; }
.filters button{
  padding:10px 22px; border-radius:var(--r-pill); cursor:pointer;
  border:1px solid var(--line-strong); background:#fff; font-size:15px;
  color:var(--ink-2); transition:all .2s var(--ease);
}
.filters button:hover{ border-color:var(--brand); color:var(--brand); }
.filters button.is-active{ background:var(--brand); border-color:var(--brand); color:#fff; font-weight:600; }

.prod{
  background:#fff; border:1px solid var(--line); border-radius:var(--r);
  overflow:hidden; display:flex; flex-direction:column; transition:all .26s var(--ease);
}
.prod:hover{ transform:translateY(-4px); box-shadow:var(--sh-2); }
.prod__img{ aspect-ratio:1/1; background:var(--bg-soft-2); overflow:hidden; }
.prod__img img{ width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease); }
.prod:hover .prod__img img{ transform:scale(1.05); }
.prod__body{ padding:20px 22px 24px; display:flex; flex-direction:column; flex:1; }
.prod__cat{ font-size:12px; font-weight:700; color:var(--accent); letter-spacing:.08em; margin-bottom:6px; }
.prod__body h3{ font-size:17px; margin-bottom:8px; }
.prod__desc{ font-size:14.5px; color:var(--ink-2); margin-bottom:14px; flex:1; }
.prod__spec{ display:flex; flex-wrap:wrap; gap:6px; margin-bottom:16px; }
.prod__spec span{
  font-size:12.5px; color:var(--ink-2); background:var(--bg-soft);
  border:1px solid var(--line); padding:4px 10px; border-radius:6px;
}
.prod__foot{ display:flex; align-items:center; justify-content:space-between; gap:12px; }
.prod__foot .btn{ width:100%; }

/* ---------- 16. 关于页 ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.split__art img{ border-radius:var(--r-lg); box-shadow:var(--sh-2); }
.feature{ display:flex; gap:16px; padding:18px 0; border-bottom:1px dashed var(--line); }
.feature:last-child{ border-bottom:0; }
.feature__no{
  width:32px; height:32px; flex-shrink:0; border-radius:9px; background:var(--brand-100);
  color:var(--brand); display:grid; place-items:center; font-weight:800; font-size:14px;
}
.feature h4{ font-size:16.5px; margin-bottom:4px; }
.feature p{ font-size:14.5px; color:var(--ink-2); }

.quals{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.qual{
  text-align:center; padding:26px 16px; background:#fff;
  border:1px solid var(--line); border-radius:var(--r);
}
.qual b{ display:block; font-size:17px; color:var(--brand); margin-bottom:4px; }
.qual span{ font-size:13.5px; color:var(--ink-3); }

.timeline{ border-left:2px solid var(--line); padding-left:28px; }
.timeline__item{ position:relative; padding-bottom:30px; }
.timeline__item:last-child{ padding-bottom:0; }
.timeline__item::before{
  content:""; position:absolute; left:-35px; top:6px; width:12px; height:12px;
  border-radius:50%; background:#fff; border:2.5px solid var(--brand);
}
.timeline__year{ font-size:14px; font-weight:800; color:var(--accent); letter-spacing:.06em; }
.timeline__item h4{ font-size:17px; margin:2px 0 6px; }
.timeline__item p{ font-size:15px; color:var(--ink-2); }

/* ---------- 17. 资讯列表 ---------- */
.post{
  display:grid; grid-template-columns:220px 1fr; gap:26px;
  background:#fff; border:1px solid var(--line); border-radius:var(--r);
  padding:20px; transition:all .26s var(--ease); margin-bottom:18px;
}
.post:hover{ border-color:var(--brand-100); box-shadow:var(--sh-2); transform:translateY(-3px); }
.post__img{ border-radius:10px; overflow:hidden; background:var(--bg-soft-2); aspect-ratio:4/3; }
.post__img img{ width:100%; height:100%; object-fit:cover; }
.post__meta{ font-size:13px; color:var(--ink-3); margin-bottom:8px; display:flex; gap:14px; }
.post h3{ font-size:19px; margin-bottom:8px; }
.post:hover h3{ color:var(--brand); }
.post p{ font-size:15px; color:var(--ink-2); }

/* ---------- 18. 联系页 ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 420px; gap:48px; align-items:start; }
.info-list{ display:grid; gap:14px; }
.info{
  display:flex; gap:16px; padding:20px; background:#fff;
  border:1px solid var(--line); border-radius:var(--r);
}
.info__icon{
  width:42px; height:42px; flex-shrink:0; border-radius:11px;
  background:var(--brand-100); color:var(--brand); display:grid; place-items:center;
}
.info__icon svg{ width:20px; height:20px; }
.info b{ display:block; font-size:13.5px; color:var(--ink-3); font-weight:500; margin-bottom:2px; }
.info strong{ font-size:17px; }
.info span{ display:block; font-size:14.5px; color:var(--ink-2); }

.form-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  padding:34px 32px; box-shadow:var(--sh-1); position:sticky; top:100px;
}
.form-card h3{ font-size:21px; margin-bottom:6px; }
.form-card > p{ font-size:14.5px; color:var(--ink-2); margin-bottom:22px; }
.field{ margin-bottom:16px; }
.field label{ display:block; font-size:14px; font-weight:600; margin-bottom:7px; }
.field label i{ color:var(--accent); font-style:normal; }
.field input,.field select,.field textarea{
  width:100%; padding:12px 14px; border:1px solid var(--line-strong);
  border-radius:10px; background:#fff; font-size:15px; transition:all .2s var(--ease);
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand); box-shadow:0 0 0 3px var(--brand-100); outline:none;
}
.field textarea{ resize:vertical; min-height:96px; }
.form-note{ font-size:12.5px; color:var(--ink-3); margin-top:12px; line-height:1.6; }
.form-ok{
  display:none; background:var(--brand-100); border:1px solid var(--brand-100);
  color:var(--brand-600); border-radius:10px; padding:14px 16px; font-size:14.5px; margin-top:14px;
}

/* ---------- 19. 页脚 ---------- */
.footer{ background:var(--ink); color:rgba(255,255,255,.72); padding:64px 0 0; margin-top:0; }
.footer__grid{ display:grid; grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:40px; padding-bottom:44px; }
.footer h4{ color:#fff; font-size:16px; margin-bottom:18px; }
.footer .brand__name{ color:#fff; }
.footer .brand__sub{ color:rgba(255,255,255,.5); }
.footer__about{ font-size:14.5px; line-height:1.8; margin:16px 0 0; }
.footer li{ margin-bottom:10px; font-size:14.5px; }
.footer li a:hover{ color:#fff; }
.footer__contact li{ display:flex; gap:10px; }
.footer__contact b{ color:#fff; font-weight:500; flex-shrink:0; white-space:nowrap; }
.footer__bar{
  border-top:1px solid rgba(255,255,255,.1); padding:20px 0;
  font-size:13.5px; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
}
.footer__bar a:hover{ color:#fff; }

/* ---------- 20. 移动端悬浮转化条 ---------- */
.mobar{
  position:fixed; left:0; right:0; bottom:0; z-index:70; display:none;
  background:#fff; border-top:1px solid var(--line); box-shadow:0 -4px 20px rgba(30,42,36,.08);
  padding:8px 12px; gap:8px;
}
.mobar > *{
  flex:1; display:flex; align-items:center; justify-content:center; gap:4px;
  text-align:center; padding:9px 8px; border-radius:var(--r-pill);
  font-size:13px; font-weight:600; white-space:nowrap; min-height:36px;
  line-height:1.2;
}
.mobar > *:first-child{ background:var(--brand-100); color:var(--brand-600); }
.mobar > *:last-child{ background:var(--accent); color:#fff; }

/* ---------- 21. 响应式 ---------- */
@media (max-width:1080px){
  .steps{ grid-template-columns:repeat(3,1fr); gap:28px 16px; }
  .steps--4{ grid-template-columns:repeat(2,1fr); }
  .step:not(:last-child)::after{ display:none; }
  .contact-grid{ grid-template-columns:1fr; }
  .form-card{ position:static; }
  .quals{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:900px){
  .nav{
    position:absolute; top:100%; left:0; right:0; flex-direction:column; align-items:stretch;
    background:#fff; border-bottom:1px solid var(--line); box-shadow:var(--sh-2);
    padding:12px 16px; gap:2px; display:none;
  }
  .nav.is-open{ display:flex; }
  .nav a{ padding:12px 14px; border-radius:10px; }
  .header__tel{ display:none; }
  /* 移动端：右上角「获取报价」CTA 隐藏，单独展示汉堡按钮（无跳转语义） */
  .header__quote{ display:none; }
  .nav-toggle{
    display:inline-flex; align-items:center; justify-content:center;
    width:40px; height:40px; padding:0; position:relative;
    background:var(--brand-100); color:var(--brand-600);
    border:1px solid var(--brand-100); border-radius:10px;
  }
  /* 干掉桌面端 span 的 ::before/::after（用自身 + box-shadow 画 3 条线） */
  .nav-toggle span::before, .nav-toggle span::after{ display:none; }
  .nav-toggle span{
    display:block; width:18px; height:2px; background:currentColor; border-radius:2px;
    position:relative;
    box-shadow:0 -6px 0 currentColor, 0 6px 0 currentColor;
    transition:transform .18s ease, background .18s ease, box-shadow .18s ease;
  }
  /* 展开态：三横杠隐藏，改由按钮自身的两个伪元素画一个正 X
     （不放在 span 内，避免继承父级旋转导致角度叠加画歪） */
  .nav-toggle[aria-expanded="true"] span{
    background:transparent; box-shadow:none; transform:none;
  }
  .nav-toggle::before,
  .nav-toggle::after{
    content:""; position:absolute; left:50%; top:50%;
    width:18px; height:2px; margin-left:-9px; margin-top:-1px;
    border-radius:2px; background:currentColor;
    opacity:0; transition:opacity .18s ease, transform .18s ease;
  }
  .nav-toggle::before{ transform:rotate(0deg); }
  .nav-toggle::after{ transform:rotate(0deg); }
  .nav-toggle[aria-expanded="true"]::before{ opacity:1; transform:rotate(45deg); }
  .nav-toggle[aria-expanded="true"]::after{ opacity:1; transform:rotate(-45deg); }
  .hero .wrap{ grid-template-columns:1fr; gap:40px; padding-top:48px; padding-bottom:60px; }
    .grid--3,.grid--4,.grid--2,.split{ grid-template-columns:1fr; }
  .hero__qr-row{ grid-template-columns:1fr 1fr; }
  .stats__grid{ grid-template-columns:repeat(2,1fr); }
  .stats__item:nth-child(2){ border-right:0; }
  .stats__item:nth-child(-n+2){ border-bottom:1px solid var(--line); }
  .footer__grid{ grid-template-columns:1fr 1fr; gap:32px; }
  .post{ grid-template-columns:1fr; }
  .post__img{ aspect-ratio:16/9; }
  .cta{ padding:40px 28px; }
  .mobar{ display:flex; }
  body{ padding-bottom:72px; }
}
@media (max-width:640px){
  .section{ padding:60px 0; }
  .wrap{ padding:0 18px; }
  .grid--3,.grid--4,.grid--2,.stats__grid,.steps,.footer__grid,.quals{ grid-template-columns:1fr; }
  .stats__item{ border-right:0; border-bottom:1px solid var(--line); }
  .stats__item:last-child{ border-bottom:0; }
  .hero h1{ font-size:29px; }
  .form-card{ padding:24px 20px; }
  .topbar{ display:none; }
  .hero__qr-cap{ font-size:12.5px; letter-spacing:0; }
}
@media (max-width:480px){
  /* 小屏手机：两张码改为上下排，单张更大更好扫 */
  .hero__qr-row{ grid-template-columns:1fr; gap:14px; }
  .hero__qr{ padding:16px 14px 14px; }
  .hero__qr-card{ padding:12px 10px 14px; }
  .hero__qr-card img{ max-width:240px; margin:0 auto; }
  .hero__qr-cap{ font-size:13.5px; }
  .hero__qr-tip{ font-size:12px; }
}

/* ---------- 22. 打印 & 动效偏好 ---------- */
@media print{
  .header,.topbar,.mobar,.cta,.footer{ display:none; }
  body{ color:#000; }
}
@media (prefers-reduced-motion:reduce){
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto; }
}

/* 入场动画（仅JS加类后生效，无JS时内容照常可见） */
.reveal{ opacity:1; }
.js .reveal{ opacity:0; transform:translateY(18px); }
.js .reveal.is-in{ opacity:1; transform:none; transition:opacity .6s var(--ease),transform .6s var(--ease); }