/* ============================================================
   LEO Home Textile — 独立站样式
   轻量、移动端优先、无外部依赖，方便部署到任意静态托管
   ============================================================ */

:root {
  --green: #1d4e4a;
  --green-dark: #143935;
  --green-soft: #eaf2f0;
  --sand: #c8a06a;
  --sand-soft: #faf5ee;
  --ink: #1f2421;
  --muted: #666b67;
  --line: #e7e2da;
  --surface: #f7f5f2;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(31, 36, 33, .04), 0 8px 24px rgba(31, 36, 33, .06);
  --shadow-lg: 0 10px 40px rgba(31, 36, 33, .10);
  --maxw: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- 通用排版 ---------- */
.eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sand);
  font-weight: 700;
  margin-bottom: 12px;
}
h1, h2, h3 { line-height: 1.25; margin: 0 0 14px; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(30px, 4.4vw, 46px); }
h2 { font-size: clamp(24px, 3.2vw, 34px); }
h3 { font-size: 19px; }
p { margin: 0 0 14px; }
.lead { font-size: 17px; color: var(--muted); }
.section { padding: 72px 0; }
.section--soft { background: var(--surface); }
.section--sand { background: var(--sand-soft); }
.center { text-align: center; }
.section-head { max-width: 720px; margin: 0 auto 44px; }
.section-head p { color: var(--muted); font-size: 16px; margin: 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--green); color: #fff; box-shadow: var(--shadow); }
.btn--primary:hover { background: var(--green-dark); }
.btn--wa { background: #128c4a; color: #fff; }
.btn--wa:hover { background: #0f7640; }
.btn--ghost { background: #fff; color: var(--green); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--green); }
.btn--block { width: 100%; }
.btn--sm { padding: 9px 16px; font-size: 14px; }

/* ---------- 顶部导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header__inner { display: flex; align-items: center; gap: 20px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; letter-spacing: -.02em; }
.logo__mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--green); color: #fff;
  display: grid; place-items: center; font-size: 15px; font-weight: 800;
}
.logo span small { display: block; font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: .06em; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 26px; }
.nav a { font-size: 15px; font-weight: 500; color: #33383a; }
.nav a:hover, .nav a.is-active { color: var(--green); }
.nav__cta { margin-left: 6px; }
.burger {
  display: none; margin-left: auto; width: 42px; height: 42px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer;
}
.burger span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 4px auto; }

/* ---------- 首屏 ---------- */
.hero { padding: 60px 0 40px; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero h1 em { font-style: normal; color: var(--green); }
.hero .lead { max-width: 520px; }
.hero__list { list-style: none; padding: 0; margin: 22px 0 28px; display: grid; gap: 10px; }
.hero__list li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; }
.hero__list li::before {
  content: ""; flex: none; width: 18px; height: 18px; margin-top: 4px; border-radius: 50%;
  background: var(--green-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%231d4e4a'%3E%3Cpath d='M8.2 14.3l-3.5-3.5 1.3-1.3 2.2 2.2 6-6 1.3 1.3z'/%3E%3C/svg%3E") center/12px no-repeat;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__fig { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.hero__fig img { width: 100%; height: 420px; object-fit: cover; }
.hero__badge {
  position: absolute; left: 16px; bottom: 16px;
  background: rgba(255, 255, 255, .96); border-radius: 10px; padding: 10px 14px;
  font-size: 13px; font-weight: 600; box-shadow: var(--shadow);
}
.hero__badge b { color: var(--green); }

/* ---------- 信任条 ---------- */
.trustbar { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.trustbar__grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.trustbar__item { padding: 22px 14px; text-align: center; border-right: 1px solid var(--line); }
.trustbar__item:last-child { border-right: 0; }
.trustbar__item b { display: block; font-size: 20px; color: var(--green); }
.trustbar__item span { font-size: 13px; color: var(--muted); }

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .18s ease, transform .18s ease;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.card__img { height: 190px; overflow: hidden; background: var(--surface); }
.card__img img { width: 100%; height: 100%; object-fit: cover; }
.card__body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.card__body h3 { margin-bottom: 8px; }
.card__body p { font-size: 14.5px; color: var(--muted); }
.spec { list-style: none; padding: 0; margin: 14px 0 0; font-size: 13.5px; color: #464c48; }
.spec li { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-top: 1px dashed var(--line); }
.spec li span:first-child { color: var(--muted); }
.spec li span:last-child { font-weight: 600; text-align: right; }

/* ---------- 定制项卡片 ---------- */
.cust-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.cust-card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 20px 18px; transition: box-shadow .18s ease, transform .18s ease;
}
.cust-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.cust-card h3 { font-size: 16px; margin-bottom: 6px; display: flex; align-items: center; gap: 9px; }
.cust-card h3::before {
  content: ""; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--sand);
}
.cust-card p { font-size: 13.5px; color: var(--muted); margin: 0; }
.cust-cta { margin-top: 30px; text-align: center; }
.cust-cta p { color: var(--muted); font-size: 14.5px; max-width: 620px; margin: 0 auto 16px; }

/* ---------- 首页品类卡 ---------- */
.cat-card .card__img img { transition: transform .45s ease; }
.cat-card:hover .card__img img { transform: scale(1.06); }
.cat-card__more {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: auto; padding-top: 16px;
  font-size: 14px; font-weight: 600; color: var(--green);
}
.cat-card__more::after { content: "→"; transition: transform .2s ease; }
.cat-card:hover .cat-card__more::after { transform: translateX(4px); }

.cat-more { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 24px; }
.cat-more a {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 16px; font-size: 14px; font-weight: 500; color: #33383a;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.cat-more a::after { content: " +"; color: var(--sand); font-weight: 700; }
.cat-more a:hover { border-color: var(--green); color: var(--green); background: var(--green-soft); }

/* ---------- 优势 ---------- */
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.feature__no {
  width: 36px; height: 36px; border-radius: 10px; background: var(--green-soft); color: var(--green);
  display: grid; place-items: center; font-weight: 800; font-size: 15px; margin-bottom: 14px;
}
.feature h3 { font-size: 17px; margin-bottom: 8px; }
.feature p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ---------- 工厂 ---------- */
.factory { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.factory__fig { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.factory__fig img { height: 360px; width: 100%; object-fit: cover; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 26px 0 0; }
.stat { border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; background: #fff; }
.stat b { display: block; font-size: 24px; color: var(--green); }
.stat span { font-size: 13px; color: var(--muted); }

/* ---------- 流程 ---------- */
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px 18px; }
.step__no {
  counter-increment: s; width: 30px; height: 30px; border-radius: 50%;
  background: var(--green); color: #fff; display: grid; place-items: center;
  font-size: 14px; font-weight: 700; margin-bottom: 12px;
}
.step__no::before { content: counter(s); }
.step h3 { font-size: 16px; margin-bottom: 6px; }
.step p { font-size: 13.5px; color: var(--muted); margin: 0; }
.step:not(:last-child)::after {
  content: ""; position: absolute; right: -14px; top: 38px; width: 10px; height: 10px;
  border-top: 2px solid var(--sand); border-right: 2px solid var(--sand);
  transform: rotate(45deg);
}

/* ---------- 质检检查点 ---------- */
.qc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; }
.qc-card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; padding: 22px 18px 20px; overflow: hidden;
  transition: box-shadow .18s ease, transform .18s ease;
}
.qc-card::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px;
  background: var(--sand);
}
.qc-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.qc-card__no {
  width: 30px; height: 30px; border-radius: 50%; background: var(--green); color: #fff;
  display: grid; place-items: center; font-size: 13px; font-weight: 700; margin-bottom: 12px;
}
.qc-card h3 { font-size: 16px; margin-bottom: 6px; }
.qc-card p { font-size: 13.5px; color: var(--muted); margin: 0; }

.qc-strip {
  margin-top: 26px; background: var(--sand-soft); border: 1px solid #eddcc4;
  border-radius: 12px; padding: 20px 24px;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.qc-strip ul { list-style: none; padding: 0; margin: 0; display: flex; gap: 22px; flex-wrap: wrap; font-size: 14px; color: #6b5636; }
.qc-strip li::before { content: "✓"; color: var(--green); font-weight: 700; margin-right: 7px; }
.qc-strip .btn { margin-left: auto; }

/* ---------- 市场 / 证书 ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 15px; font-size: 14px; font-weight: 500;
}
.certs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 20px; }
.cert { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px; font-size: 14px; }
.cert b { display: block; color: var(--green); margin-bottom: 4px; }
.cert span { color: var(--muted); font-size: 13px; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq__item { border: 1px solid var(--line); border-radius: 12px; background: #fff; margin-bottom: 12px; overflow: hidden; }
.faq__q {
  width: 100%; text-align: left; padding: 18px 20px; background: none; border: 0;
  font-size: 16px; font-weight: 600; cursor: pointer; display: flex; gap: 14px; align-items: center;
  font-family: inherit; color: inherit;
}
.faq__q::after { content: "+"; margin-left: auto; font-size: 20px; color: var(--green); font-weight: 700; }
.faq__item.is-open .faq__q::after { content: "–"; }
.faq__a { display: none; padding: 0 20px 20px; font-size: 15px; color: var(--muted); }
.faq__item.is-open .faq__a { display: block; }

/* ---------- CTA 条 ---------- */
.cta-band { background: var(--green); color: #fff; padding: 56px 0; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255, 255, 255, .82); max-width: 620px; margin: 0 auto 26px; }
.cta-band .btn--wa, .cta-band .btn--primary { background: #fff; color: var(--green); }
.cta-band .btn--ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.cta__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- 表单 ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: 15px; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--green-soft); border-color: var(--green);
}
.field textarea { min-height: 110px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 12px; }

/* ---------- 联系信息 ---------- */
.contact-item { display: flex; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-item:last-of-type { border-bottom: 0; }
.contact-item__icon {
  flex: none; width: 40px; height: 40px; border-radius: 11px; background: var(--green-soft);
  display: grid; place-items: center; font-size: 17px;
}
.contact-item b { display: block; font-size: 15px; }
.contact-item span, .contact-item a { font-size: 14.5px; color: var(--muted); }
.notice {
  background: var(--sand-soft); border: 1px solid #eddcc4; border-radius: 12px;
  padding: 16px 18px; font-size: 14px; color: #6b5636; margin-top: 20px;
}

/* ---------- 页脚 ---------- */
.footer { background: #1b1f1d; color: #cfd4d1; padding: 52px 0 24px; font-size: 14.5px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
.footer h4 { color: #fff; font-size: 15px; margin: 0 0 14px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 9px; }
.footer a:hover { color: #fff; }
.footer__bottom {
  margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: 13px; color: #8d938f; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}

/* ---------- 移动端悬浮条 ---------- */
.mobilebar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: none;
  background: #fff; border-top: 1px solid var(--line); padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  gap: 10px;
}
.mobilebar .btn { flex: 1; padding: 12px 10px; font-size: 14px; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero__grid, .factory { grid-template-columns: 1fr; gap: 32px; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step:not(:last-child)::after { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .trustbar__grid { grid-template-columns: repeat(2, 1fr); }
  .trustbar__item:nth-child(2) { border-right: 0; }
}
@media (max-width: 720px) {
  .nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); flex-direction: column;
    align-items: stretch; gap: 0; padding: 10px 20px 18px;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav__cta { margin: 14px 0 0; }
  .burger { display: block; }
  .header__inner { position: relative; }
  .grid--3, .grid--4, .grid--2, .certs, .stats { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .mobilebar { display: flex; }
  body { padding-bottom: 74px; }
  .hero__fig img { height: 300px; }
  .trustbar__grid { grid-template-columns: 1fr; }
  .trustbar__item { border-right: 0; border-bottom: 1px solid var(--line); }
  .qc-strip { flex-direction: column; align-items: stretch; }
  .qc-strip ul { flex-direction: column; gap: 10px; }
  .qc-strip .btn { margin-left: 0; width: 100%; }
}