/* 豪耀环保 · 企业官网 */
:root {
  --green-950: #0a2e21;
  --green-900: #0d3b2a;
  --green-800: #125038;
  --green-700: #176845;
  --green-100: #dcefe4;
  --green-50: #f2f8f4;
  --gold: #c9a24b;
  --gold-dark: #a8842f;
  --ink: #1c2420;
  --muted: #66756e;
  --line: #e2e9e5;
  --card: #ffffff;
  --bg: #fbfdfc;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: -apple-system, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.7;
}
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3, h4 { line-height: 1.4; margin: 0 0 12px; }
a { color: inherit; }
img { max-width: 100%; display: block; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(10, 46, 33, .92); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: box-shadow .25s;
}
.topbar.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,.25); }
.topbar-inner {
  max-width: 1180px; margin: 0 auto; padding: 0 24px; height: 68px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--green-700), var(--green-900));
  border: 1px solid rgba(201,162,75,.6); font-size: 20px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 19px; letter-spacing: 3px; }
.brand-text small { font-size: 9px; letter-spacing: 2.5px; color: var(--gold); }
.nav { display: flex; gap: 26px; }
.nav a { color: rgba(255,255,255,.82); text-decoration: none; font-size: 15px; transition: color .2s; }
.nav a:hover { color: var(--gold); }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: 1px solid rgba(255,255,255,.3);
  color: #fff; border-radius: 8px; font-size: 18px; padding: 4px 10px; cursor: pointer; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; text-decoration: none; border-radius: 999px;
  padding: 10px 26px; font-size: 15px; font-weight: 600; cursor: pointer;
  border: 1.5px solid transparent; transition: all .22s;
}
.btn-lg { padding: 13px 34px; font-size: 16px; }
.btn-gold { background: var(--gold); color: #20301f; }
.btn-gold:hover { background: var(--gold-dark); color: #fff; transform: translateY(-1px); }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.14); }

/* ---------- 首屏 ---------- */
.hero { position: relative; min-height: 92vh; display: flex; flex-direction: column;
  justify-content: center; color: #fff; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0;
  background: url("assets/hero-plant.jpg") center/cover no-repeat;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8,38,27,.88) 20%, rgba(8,38,27,.45) 60%, rgba(8,38,27,.25) 100%);
}
.hero-inner { position: relative; z-index: 1; max-width: 1180px; margin: 0 auto;
  padding: 130px 24px 30px; width: 100%; }
.hero-eyebrow { color: var(--gold); letter-spacing: 4px; font-size: 14px; margin: 0 0 18px; }
.hero h1 { font-size: clamp(38px, 6vw, 64px); font-weight: 800; letter-spacing: 2px; margin-bottom: 20px; }
.hero-sub { font-size: 17px; color: rgba(255,255,255,.85); margin: 0 0 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-badges {
  position: relative; z-index: 1; max-width: 1180px; margin: 0 auto; width: 100%;
  padding: 0 24px 46px; display: flex; gap: 12px; flex-wrap: wrap;
}
.hero-badge {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(6px); border-radius: 999px; padding: 8px 18px; font-size: 14px;
}
.hero-badge span { margin-right: 6px; }

/* ---------- 通用区块 ---------- */
.section { padding: 84px 0; }
.section-alt { background: var(--green-50); }
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.sec-eyebrow { color: var(--gold-dark); letter-spacing: 5px; font-size: 12px; margin: 0 0 10px; font-weight: 600; }
.sec-head h2 { font-size: 34px; color: var(--green-950); letter-spacing: 4px; }
.sec-desc { color: var(--muted); margin: 8px 0 0; }

/* ---------- 服务业务 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svc-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 30px 26px; transition: transform .22s, box-shadow .22s, border-color .22s;
}
.svc-card:hover { transform: translateY(-5px); box-shadow: 0 14px 34px rgba(13,59,42,.12); border-color: var(--green-700); }
.svc-icon {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  font-size: 26px; background: var(--green-50); border: 1px solid var(--green-100); margin-bottom: 16px;
}
.svc-card h3 { font-size: 19px; color: var(--green-950); }
.svc-card p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ---------- 服务流程 ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.steps li {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 24px 18px; text-align: center; position: relative;
}
.steps li:not(:last-child)::after {
  content: "→"; position: absolute; right: -16px; top: 50%; transform: translateY(-50%);
  color: var(--gold-dark); font-size: 20px; font-weight: 700;
}
.step-num { font-size: 30px; font-weight: 800; color: var(--green-100); display: block; margin-bottom: 6px; }
.steps h3 { font-size: 16px; color: var(--green-900); margin-bottom: 6px; }
.steps p { margin: 0; font-size: 13px; color: var(--muted); }

/* ---------- 行业资讯 ---------- */
.news-tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 30px; flex-wrap: wrap; }
.news-tab {
  background: #fff; border: 1.5px solid var(--line); border-radius: 999px;
  padding: 9px 26px; font-size: 15px; cursor: pointer; color: var(--muted); transition: all .2s;
}
.news-tab:hover { border-color: var(--green-600); color: var(--green-700); }
.news-tab.active { background: var(--green-800); border-color: var(--green-800); color: #fff; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px;
  display: flex; flex-direction: column; gap: 10px; text-decoration: none;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.news-card:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(13,59,42,.1); border-color: var(--green-600); }
.news-card .nc-cat {
  align-self: flex-start; font-size: 12px; color: var(--green-700);
  background: var(--green-100); padding: 2px 10px; border-radius: 999px;
}
.news-card h3 { font-size: 15.5px; font-weight: 600; margin: 0; line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .nc-meta { margin-top: auto; font-size: 12.5px; color: var(--muted);
  display: flex; justify-content: space-between; gap: 8px; }
.news-loading { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 30px; }
.news-more { text-align: center; margin-top: 28px; }
.news-more a { color: var(--green-700); font-weight: 600; text-decoration: none; font-size: 15px; }
.news-more a:hover { color: var(--gold-dark); }

/* ---------- 关于我们 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-img img { border-radius: 18px; box-shadow: 0 18px 44px rgba(13,59,42,.16); }
.about-text h2 { font-size: 32px; color: var(--green-950); letter-spacing: 3px; margin: 6px 0 18px; }
.about-text p { color: var(--muted); }
.about-values { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.about-values span {
  background: var(--green-900); color: #fff; border-radius: 999px;
  padding: 7px 22px; font-size: 14px; letter-spacing: 4px;
}

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.ci-item { display: flex; gap: 16px; align-items: flex-start; padding: 18px 0; border-bottom: 1px solid var(--line); }
.ci-item:last-child { border-bottom: none; }
.ci-icon { font-size: 24px; }
.ci-item h4 { margin: 0 0 4px; font-size: 15px; color: var(--green-900); }
.ci-item p { margin: 0; }
.ci-item a { color: var(--green-700); text-decoration: none; font-weight: 600; }
.ci-item a:hover { color: var(--gold-dark); text-decoration: underline; }
.ci-placeholder { color: #a33; }
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 30px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; border: 1.5px solid var(--line); border-radius: 10px;
  padding: 12px 14px; font-size: 15px; margin-bottom: 12px; font-family: inherit;
  background: var(--bg); color: var(--ink);
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--green-600); background: #fff;
}
.contact-form textarea { resize: vertical; }
.form-note { font-size: 13px; color: var(--green-700); margin: 10px 0 0; min-height: 20px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--green-950); color: rgba(255,255,255,.72); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 40px; }
.brand-line { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 19px; margin-bottom: 12px; }
.footer-col h4 { color: var(--gold); font-size: 15px; margin-bottom: 14px; letter-spacing: 2px; }
.footer-col a { display: block; text-decoration: none; font-size: 14px; margin-bottom: 9px; }
.footer-col a:hover { color: var(--gold); }
.footer-tiny { font-size: 12px; opacity: .6; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); text-align: center;
  padding: 18px; font-size: 13px; opacity: .65; }
.footer-bottom p { margin: 0; }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s, transform .7s; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .svc-grid, .news-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps li:not(:last-child)::after { display: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--green-950); flex-direction: column; padding: 10px 24px 20px; gap: 4px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-toggle { display: block; }
  .topbar-right .btn { display: none; }
  .svc-grid, .news-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .hero-inner { padding-top: 110px; }
  .form-row { grid-template-columns: 1fr; }
}