/* =========================================================
   安徽泉翔新材料 · 国际化B2B品牌官网
   视觉：专业 / 简洁 / 高级 / 可信 —— 农业产业总部风格
   ========================================================= */
:root {
  --green-900: #08304c;   /* deep steppe-blue (replaces deep green) */
  --green-800: #0d4a75;
  --green-700: #15689f;   /* primary brand blue */
  --green-600: #1f86c4;
  --green-500: #2ba0d9;
  --gold: #c9a24b;
  --gold-soft: #e7d3a0;
  --ink: #152233;
  --muted: #5b6b7d;
  --line: #e3eaf2;
  --bg: #f3f8fc;
  --card: #ffffff;
  --shadow: 0 14px 40px rgba(8, 48, 76, .08);
  --shadow-sm: 0 6px 18px rgba(8, 48, 76, .06);
  --radius: 18px;
  --maxw: 1200px;
  --serif: "Songti SC", "Noto Serif SC", Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink); background: linear-gradient(160deg, var(--green-900), var(--green-800) 55%, #072a44); line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; }
.eyebrow { color: var(--gold); font-weight: 700; letter-spacing: 4px; font-size: 12px; text-transform: uppercase; }

/* ---------- Header ---------- */
.site-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); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--green-600), var(--green-900)); color: #fff; font-weight: 800; font-size: 20px; }
.brand .name { font-size: 16px; font-weight: 800; line-height: 1.1; }
.brand .name small { display: block; font-weight: 500; font-size: 10px; color: var(--muted); letter-spacing: 1.5px; margin-top: 2px; }
.brand .brand-logo { height: 44px; width: auto; object-fit: contain; }
.brand .tm { font-size: 11px; font-weight: 700; color: var(--ink); align-self: flex-start; margin-top: 4px; }
.brand .tm-foot { color: rgba(255,255,255,.65); }
.footer-logo { height: 38px; width: auto; }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a { font-size: 15px; font-weight: 500; color: var(--ink); position: relative; padding: 4px 0; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--green-600); transition: width .25s; }
.nav-links a:hover::after { width: 100%; }
.nav-right { display: flex; align-items: center; gap: 16px; }
.lang-switch { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang-switch button { border: none; background: #fff; padding: 7px 13px; font-size: 13px; font-weight: 600; cursor: pointer; color: var(--muted); }
.lang-switch button.active { background: var(--green-700); color: #fff; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 999px;
  font-weight: 700; font-size: 15px; border: none; cursor: pointer; transition: transform .15s, box-shadow .2s; }
.btn-primary { background: var(--green-700); color: #fff; box-shadow: 0 10px 24px rgba(21,104,159,.28); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-gold { background: var(--gold); color: #2a1f06; }
.btn-gold:hover { transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--green-700); border: 1.5px solid var(--green-600); }
.btn-ghost:hover { background: var(--green-700); color: #fff; }
.btn-light { background: #fff; color: var(--green-800); }
.menu-toggle { display: none; background: none; border: none; font-size: 26px; cursor: pointer; color: var(--green-800); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; color: #fff; background: #000; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero-overlay { position: absolute; inset: 0; background: rgba(5,15,25,.65); z-index: 1; }
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 0; align-items: center; padding: 120px 0 110px; text-align: center; }
.hero-text { max-width: 780px; margin: 0 auto; }
.hero h1 { font-size: 50px; line-height: 1.12; letter-spacing: -.5px; margin: 18px 0; }
.hero h1 .accent { color: var(--gold-soft); }
.hero .tagline { font-size: 20px; color: rgba(255,255,255,.9); max-width: 540px; font-family: var(--serif); font-style: italic; margin-left: auto; margin-right: auto; }
.hero .lead { color: rgba(255,255,255,.78); font-size: 16px; max-width: 520px; margin: 18px auto 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.hero-stats { display: flex; gap: 34px; margin-top: 46px; flex-wrap: wrap; justify-content: center; }
.hero-stats .b strong { display: block; font-size: 30px; color: #fff; }
.hero-stats .b span { font-size: 13px; color: rgba(255,255,255,.65); }

/* ---------- Section head ---------- */
.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { font-size: 36px; margin: 12px 0; letter-spacing: -.5px; color: #fff; }
.section-head p { color: rgba(255,255,255,.72); font-size: 16px; }

/* ---------- About / Culture ---------- */
.culture-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.culture-text p { color: rgba(255,255,255,.72); font-size: 16px; margin-bottom: 18px; }
#aboutValuesTitle { color: #fff; }
#aboutIntro, #aboutIntro p { color: #fff; }
.value-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 8px; }
.vcard { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.vcard .ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: rgba(31,134,196,.1); font-size: 22px; margin-bottom: 12px; }
.vcard h4 { font-size: 17px; margin-bottom: 6px; }
.vcard p { font-size: 13px; color: var(--muted); }
.mission-box { background: linear-gradient(135deg, var(--green-800), var(--green-600)); color: #fff; border-radius: var(--radius); padding: 36px; margin-top: 28px; }
.mission-box h3 { font-family: var(--serif); font-size: 24px; line-height: 1.6; font-weight: 600; }
.vision-box { border-left: 4px solid var(--gold); padding: 14px 20px; background: #fff; border-radius: 0 12px 12px 0; box-shadow: var(--shadow-sm); margin-top: 22px; }
.vision-box b { color: var(--green-700); }

/* ---------- About Gallery (工厂实景 + 战略图) ---------- */
.about-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; }
.about-gallery-item { border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); }
.about-gallery-item img { width: 100%; height: 280px; object-fit: cover; display: block; transition: transform .3s ease; }
.about-gallery-item:hover img { transform: scale(1.02); }
.gallery-caption { display: block; padding: 12px 18px; font-size: 13px; font-weight: 600; color: var(--muted); text-align: center; background: #f7f8f6; }

/* ---------- Products ---------- */
.product-toolbar { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; justify-content: center; margin-bottom: 40px; }
.search-box { display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 11px 18px; min-width: 280px; }
.search-box input { border: none; outline: none; font-size: 15px; width: 100%; background: transparent; }
.chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip { padding: 10px 20px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 14px; font-weight: 600; cursor: pointer; color: var(--muted); transition: all .18s; }
.chip.active, .chip:hover { background: var(--green-700); color: #fff; border-color: var(--green-700); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.product-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; cursor: pointer; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.product-thumb { height: 200px; display: grid; place-items: center; background: linear-gradient(135deg, #e6f1fb, #d2e6f5); overflow: hidden; border-radius: var(--radius) var(--radius) 0 0; }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.product-card:hover .product-thumb img { transform: scale(1.04); }
.product-thumb svg { width: 86px; height: 86px; }
.product-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.product-cat { font-size: 12px; color: var(--gold); font-weight: 700; letter-spacing: 1px; }
.product-body h3 { font-size: 20px; margin: 4px 0 8px; }
.product-body p { font-size: 14px; color: var(--muted); flex: 1; }
.product-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; }
.link-detail { color: var(--green-700); font-weight: 700; font-size: 14px; }
.no-result { grid-column: 1/-1; text-align: center; color: rgba(255,255,255,.7); padding: 40px; }

/* ---------- Product detail view ---------- */
.detail-back { display: inline-flex; align-items: center; gap: 6px; color: var(--green-700); font-weight: 600; margin-bottom: 24px; cursor: pointer; }
.detail-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.detail-hero .ph { height: 360px; border-radius: var(--radius); background: linear-gradient(135deg, #e6f1fb, #cfe6f3); display: grid; place-items: center; overflow: hidden; }
.detail-hero .ph img { width: 100%; height: 100%; object-fit: cover; }
.detail-hero .ph svg { width: 150px; height: 150px; }
.detail-hero h1 { font-size: 38px; margin-bottom: 14px; }
.detail-hero .lead { color: var(--muted); font-size: 16px; margin-bottom: 22px; }
.detail-section { margin-top: 60px; }
.detail-section h3 { font-size: 24px; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.detail-section h3::before { content: ""; width: 6px; height: 24px; background: var(--gold); border-radius: 3px; }
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.spec-table td { padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: 15px; }
.spec-table td:first-child { color: var(--muted); width: 200px; background: #fafbf9; }
.spec-table tr:last-child td { border-bottom: none; }
.feat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feat-item { display: flex; gap: 12px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.feat-item .dot { color: var(--green-600); font-weight: 800; }
.case-box { background: var(--green-800); color: #fff; border-radius: var(--radius); padding: 30px; }
.case-box p { color: rgba(255,255,255,.85); }
.video-ph { height: 220px; border-radius: var(--radius); background: linear-gradient(135deg, #08304c, #15689f); display: grid; place-items: center; color: #fff; font-size: 18px; }

/* ---------- Partners ---------- */
.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.partner-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; text-align: center; box-shadow: var(--shadow-sm); }
.partner-card .tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--gold); border: 1px solid var(--gold); border-radius: 999px; padding: 4px 14px; margin-bottom: 14px; }
.partner-card h4 { font-size: 18px; margin-bottom: 8px; }
.partner-card p { font-size: 14px; color: var(--muted); }

/* ---------- Video center ---------- */
.video-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.vcard-social { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 18px; text-align: center; box-shadow: var(--shadow-sm); transition: transform .2s; }
.vcard-social:hover { transform: translateY(-5px); }
.vcard-social .em { font-size: 34px; }
.vcard-social h4 { font-size: 15px; margin: 10px 0 4px; }
.vcard-social p { font-size: 12px; color: var(--muted); }

/* ---------- News ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
.news-thumb { height: 160px; background: linear-gradient(135deg, #e6f1fb, #d2e6f5); display: grid; place-items: center; font-size: 30px; }
.news-body { padding: 22px; flex: 1; }
.news-meta { font-size: 12px; color: var(--gold); font-weight: 700; letter-spacing: .5px; }
.news-body h3 { font-size: 18px; margin: 8px 0 10px; line-height: 1.4; }
.news-body p { font-size: 14px; color: var(--muted); flex: 1; }
.news-body .more { display: inline-block; margin-top: 14px; color: var(--green-700); font-weight: 700; font-size: 14px; }

/* ---------- Contact ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.contact-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow-sm); }
.contact-card h3 { font-size: 22px; margin-bottom: 6px; }
.contact-card .sub { color: var(--muted); font-size: 14px; margin-bottom: 22px; }

/* QR Code Section */
.qr-section { grid-column: 1 / -1; text-align: center; margin-top: 8px; }
.qr-section h3 { font-size: 20px; margin-bottom: 20px; color: #fff; }
.qr-grid { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; }
.qr-card { display: flex; flex-direction: column; align-items: center; }
.qr-card img { width: 180px; height: 180px; border-radius: var(--radius); border: 1px solid var(--line); padding: 6px; background: #fff; object-fit: contain; }
.qr-label { margin-top: 10px; font-size: 13px; color: rgba(255,255,255,.7); }
.qr-name { font-weight: 600; font-size: 15px; color: #fff; margin-top: 2px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1/-1; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea { padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: #fafbf9; font-size: 15px; outline: none; font-family: inherit; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--green-600); }
.field textarea { resize: vertical; min-height: 90px; }
.contact-meta { margin-top: 26px; display: grid; gap: 14px; }
.contact-meta div { display: flex; gap: 12px; align-items: center; font-size: 14px; }
.contact-meta .ic { width: 38px; height: 38px; border-radius: 10px; background: rgba(31,122,74,.1); display: grid; place-items: center; font-size: 18px; }
.contact-meta b { display: block; }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-900); color: rgba(255,255,255,.75); padding: 64px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.site-footer a { color: rgba(255,255,255,.7); font-size: 14px; display: block; margin-bottom: 9px; }
.site-footer a:hover { color: #fff; }
.footer-mission { font-family: var(--serif); font-size: 15px; color: rgba(255,255,255,.85); margin-top: 14px; line-height: 1.7; }
.footer-social { display: flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.footer-social a { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.08); display: grid; place-items: center; font-size: 18px; margin: 0; }
.footer-social a:hover { background: var(--green-600); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 22px; font-size: 13px; text-align: center; color: rgba(255,255,255,.5); }
.footer-bottom .filing { margin-top: 8px; font-size: 12px; }
.footer-bottom .filing a { color: rgba(255,255,255,.4); text-decoration: none; }
.footer-bottom .filing a:hover { color: rgba(255,255,255,.7); }

.toast { position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%) translateY(20px); background: var(--green-700); color: #fff; padding: 14px 24px; border-radius: 12px; box-shadow: 0 12px 30px rgba(0,0,0,.25); opacity: 0; pointer-events: none; transition: all .3s; z-index: 200; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Projects & Cooperation ---------- */
.stat-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 54px;
  background: linear-gradient(135deg, var(--green-800), var(--green-600)); border-radius: var(--radius); padding: 34px 30px; box-shadow: var(--shadow); }
.stat-card { text-align: center; color: #fff; }
.stat-card strong { display: block; font-size: 36px; color: var(--gold-soft); font-family: var(--serif); line-height: 1.1; }
.stat-card span { font-size: 13px; color: rgba(255,255,255,.8); }

.proj-tabs { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 40px; }
.proj-tab { padding: 11px 22px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 14px; font-weight: 600; cursor: pointer; color: var(--muted); transition: all .18s; }
.proj-tab.active, .proj-tab:hover { background: var(--green-700); color: #fff; border-color: var(--green-700); }

.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.project-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s; }
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.project-top { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.project-top .tag { font-size: 12px; font-weight: 700; border-radius: 999px; padding: 4px 13px; }
.project-top .region { color: var(--green-700); background: rgba(31,122,74,.1); }
.project-top .type { color: var(--gold); border: 1px solid var(--gold); }
.project-card h3 { font-size: 19px; margin-bottom: 16px; line-height: 1.4; }
.psteps { display: flex; flex-direction: column; gap: 12px; }
.pstep { display: flex; flex-direction: column; gap: 3px; padding-bottom: 12px; border-bottom: 1px dashed var(--line); }
.pstep:last-child { border-bottom: none; padding-bottom: 0; }
.pstep .pl { font-size: 12px; font-weight: 700; color: var(--gold); letter-spacing: .5px; }
.pstep .pv { font-size: 14px; color: var(--ink); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid, .culture-grid, .detail-hero, .contact-wrap, .about-gallery { grid-template-columns: 1fr; }
  .hero-video { display: none; }
  .hero { background: url('assets/hero-poster.jpg') center/cover no-repeat; }
  .product-grid, .partner-grid, .news-grid, .project-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-wall { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { position: absolute; top: 74px; left: 0; right: 0; background: #fff; flex-direction: column; gap: 0; padding: 8px 24px; border-bottom: 1px solid var(--line); display: none; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .menu-toggle { display: block; }
  .hero h1 { font-size: 34px; }
  section { padding: 64px 0; }
}
@media (max-width: 560px) {
  .product-grid, .partner-grid, .news-grid, .video-grid, .value-cards, .feat-list, .form-grid, .project-grid, .stat-wall { grid-template-columns: 1fr; }
  .qr-grid { gap: 28px; }
  .qr-card img { width: 150px; height: 150px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
}

/* ---------- Compatibility band（机型适配） ---------- */
.compat-box { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px; display: flex; gap: 28px; align-items: center; flex-wrap: wrap; box-shadow: var(--shadow-sm); }
.compat-box h3 { color: var(--ink); font-size: 22px; margin-bottom: 8px; }
.compat-box .lead-white { color: var(--muted); font-size: 15px; margin-bottom: 4px; }
.compat-icon { flex-shrink: 0; }
.compat-badges { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.badge { background: #fff; border: 1.5px solid var(--green-600); color: var(--green-700);
  border-radius: 24px; padding: 7px 18px; font-weight: 600; font-size: 14px; }

/* ---------- Contact side / WhatsApp ---------- */
.contact-side .wa-btn { margin-top: 22px; width: 100%; justify-content: center; }
.form-tip { color: var(--muted); }

/* ---------- 哈萨克民族纹饰条（қошқар мүйіз 灵感）---------- */
.ornament-strip { height: 6px; width: 100%;
  background: repeating-linear-gradient(90deg,
    var(--gold) 0, var(--gold) 14px,
    var(--green-700) 14px, var(--green-700) 18px,
    var(--gold-soft) 18px, var(--gold-soft) 32px);
  border-top: 1px solid rgba(201,162,75,.4); }

/* ---------- Kazakh ornament strip (қошқар мүйіз灵感金色纹饰条) ---------- */
.ornament-strip { height: 6px; background:
  repeating-linear-gradient(90deg,
    var(--gold) 0 14px,
    transparent 14px 18px,
    var(--gold-soft) 18px 28px,
    transparent 28px 32px); opacity: .85; }

/* ---------- Delivery coverage band（物流覆盖，liet-agrar 风格） ---------- */
.delivery-box { margin-top: 56px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px; display: flex; gap: 28px; align-items: center; flex-wrap: wrap; box-shadow: var(--shadow-sm); }
.delivery-box h3 { color: var(--ink); font-size: 22px; margin-bottom: 8px; }
.delivery-box .lead-white { color: var(--muted); font-size: 15px; margin-bottom: 4px; }
.delivery-icon { flex-shrink: 0; font-size: 52px; line-height: 1; }
.delivery-cities { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 14px; }

/* ---------- FAQ（liet-agrar 风格问答区） ---------- */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  margin-bottom: 14px; overflow: hidden; box-shadow: var(--shadow-sm); }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  background: none; border: none; cursor: pointer; padding: 20px 24px;
  font-size: 16px; font-weight: 700; color: var(--ink); text-align: left; }
.faq-arrow { flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(31,134,196,.1); color: var(--green-700); font-size: 18px; font-weight: 800; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a p { padding: 0 24px 20px; color: var(--muted); font-size: 15px; }
.faq-item.open .faq-a { max-height: 300px; }
.faq-item.open .faq-q .faq-arrow { background: var(--green-700); color: #fff; }

/* =========================================================
   2026-08-22 重构新增：Baling Solutions / 机器适配查询 /
   Solutions / OEM / Kazakhstan 版块样式
   ========================================================= */

/* Nav 9 项适配 */
@media (min-width: 900px) {
  .nav-links { gap: 18px; }
  .nav-links a { font-size: 13.5px; }
}

/* Hero 关键点 */
.hero-keypoints { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 20px 0 6px; }
.hero-keypoints .hk { font-size: 13px; font-weight: 600; color: #fff; background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.28); border-radius: 999px; padding: 6px 14px; }

/* 02 Baling Solutions intro */
.factor-chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin: 8px 0 34px; }
.factor-chip { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.25); color: #fff;
  border-radius: 999px; padding: 8px 18px; font-size: 14px; font-weight: 600; }
.formula-banner { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: center;
  background: linear-gradient(120deg, rgba(201,162,75,.16), rgba(21,104,159,.22));
  border: 1px solid rgba(231,211,160,.4); border-radius: var(--radius); padding: 22px 28px; }
.formula-banner span { font-size: 19px; font-weight: 800; color: #fff; font-family: var(--serif); letter-spacing: .5px; }
.formula-banner .f-arrow { color: var(--gold-soft); font-size: 22px; }

/* 04 机器适配查询 */
.finder { margin-top: 34px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow-sm); }
.finder-step { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); font-size: 15px; margin-bottom: 14px; }
.fnum { width: 26px; height: 26px; border-radius: 50%; background: var(--green-700); color: #fff;
  display: inline-grid; place-items: center; font-size: 13px; flex: none; }
.brand-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.brand-chip { padding: 9px 18px; border-radius: 999px; border: 1px solid var(--line); background: #fff;
  font-size: 14px; font-weight: 700; cursor: pointer; color: var(--muted); transition: all .18s; }
.brand-chip.active, .brand-chip:hover { background: var(--green-700); color: #fff; border-color: var(--green-700); }
.model-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.model-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; position: relative;
  box-shadow: var(--shadow-sm); }
.model-card .m-name { font-weight: 800; font-size: 16px; color: var(--ink); margin-bottom: 2px; }
.model-card .m-type { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.model-card .m-rec { font-size: 13.5px; color: var(--ink); }
.model-card .m-rec-label { color: var(--muted); font-weight: 600; margin-right: 4px; }
.m-prod { display: inline-block; background: rgba(31,134,196,.1); color: var(--green-700); font-weight: 700;
  border-radius: 8px; padding: 3px 10px; margin: 2px 4px 2px 0; cursor: pointer; font-size: 13px; }
.m-prod:hover { background: var(--green-700); color: #fff; }
.m-status { display: inline-block; margin-top: 10px; font-size: 11.5px; font-weight: 700; border-radius: 999px; padding: 3px 12px; }
.m-status.tested { background: rgba(28,140,72,.12); color: #1c8c48; border: 1px solid rgba(28,140,72,.4); }
.m-status.rec { background: rgba(201,162,75,.14); color: #8a6d1f; border: 1px solid rgba(201,162,75,.5); }
.finder-note { margin-top: 18px; font-size: 13px; color: var(--muted); line-height: 1.6; }

/* 05 Solutions 卡片 */
.solution-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.solution-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px;
  box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
.solution-card .ic { width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center;
  background: rgba(31,134,196,.1); font-size: 24px; margin-bottom: 14px; }
.solution-card h3 { font-size: 18px; color: var(--ink); margin-bottom: 8px; }
.solution-card .desc { font-size: 13.5px; color: var(--muted); margin-bottom: 12px; }
.solution-card ul { list-style: none; margin: 0 0 14px; }
.solution-card li { font-size: 13px; color: var(--ink); padding: 5px 0 5px 20px; position: relative; }
.solution-card li::before { content: "✓"; position: absolute; left: 0; color: var(--green-600); font-weight: 700; }
.sol-cta { margin-top: auto; font-size: 13.5px; font-weight: 700; color: var(--green-600); }
.sol-cta:hover { color: var(--green-700); }

/* 06 OEM 版块 */
.oem-wrap { display: grid; grid-template-columns: 1.2fr .9fr; gap: 26px; margin-top: 10px; }
.oem-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-content: start; }
.oem-point { display: flex; gap: 10px; align-items: flex-start; background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 14px 16px; font-size: 13.5px; font-weight: 600; color: var(--ink); box-shadow: var(--shadow-sm); }
.oem-point .dot { color: var(--gold); }
.oem-side { display: flex; flex-direction: column; gap: 16px; }
.oem-proof { background: linear-gradient(150deg, rgba(13,74,117,.9), rgba(8,48,76,.95)); border-radius: var(--radius);
  padding: 24px; color: #fff; }
.oem-proof h4 { font-size: 16px; margin-bottom: 12px; color: var(--gold-soft); }
.oem-proof-item { font-size: 13.5px; padding: 7px 0; border-bottom: 1px dashed rgba(255,255,255,.18); }
.oem-proof-item:last-child { border-bottom: none; }
.oem-note { font-size: 12.5px; color: var(--muted); }
#oemCta { justify-content: center; }

/* 07 Kazakhstan 版块 */
.kz-blocks { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 26px; }
.kz-block { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px;
  box-shadow: var(--shadow-sm); }
.kz-block .ic { width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center;
  background: rgba(31,134,196,.1); font-size: 24px; margin-bottom: 12px; }
.kz-block h4 { font-size: 17px; color: var(--ink); margin-bottom: 6px; }
.kz-block p { font-size: 13.5px; color: var(--muted); margin-bottom: 12px; }
.kz-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.kz-link { display: inline-block; font-size: 14px; font-weight: 700; color: var(--green-600); }
.kz-link:hover { color: var(--green-700); }

/* 响应式 */
@media (max-width: 900px) {
  .oem-wrap { grid-template-columns: 1fr; }
  .oem-points { grid-template-columns: 1fr; }
  .model-grid { grid-template-columns: 1fr; }
  .formula-banner span { font-size: 16px; }
}