/* ============================================================
   EcoBag Factory — site stylesheet v2 (factory-direct style)
   ============================================================ */
:root {
  --green-950: #0e2a1f;
  --green-900: #14382a;
  --green-800: #1c4f3b;
  --green-700: #1d5c45;
  --green-600: #25684e;
  --green-100: #e7f0ea;
  --cream: #f6f4ee;
  --cream-dark: #efeadd;
  --ink: #20241f;
  --muted: #5c645d;
  --line: #e3dfd3;
  --amber: #d9a441;
  --wa: #25d366;
  --paypal: #0070ba;
  --white: #ffffff;
  --shadow: 0 6px 22px rgba(20, 56, 42, 0.10);
  --shadow-lg: 0 14px 40px rgba(20, 56, 42, 0.16);
  --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
/* 双保险禁止横向滚动：clip 直接裁剪溢出（不生成滚动条），hidden 作为旧浏览器兜底 */
html { overflow-x: hidden; overflow-x: clip; }
body { overflow-x: hidden; overflow-x: clip; max-width: 100%; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  font-size: 16px;
}
img, video, iframe, canvas, svg { max-width: 100%; display: block; }
video { width: 100%; height: auto; }   /* 视频永远不超过容器宽度 */
a { color: var(--green-700); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }
h1, h2, h3, h4 { line-height: 1.25; color: var(--green-950); }
h1 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); }
h2 { font-size: clamp(1.35rem, 2.4vw, 1.9rem); margin-bottom: .6rem; }
h3 { font-size: 1.08rem; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* ---------- notice banner ---------- */
.banner {
  background: #fff7e6;
  border-bottom: 1px solid #f0e0b8;
  color: #7a5b1d;
  font-size: .9rem;
  padding: 8px 0;
  text-align: center;
}
.banner b { color: #5c4410; }

/* ---------- top bar ---------- */
.topbar { background: var(--green-950); color: #cfe0d5; font-size: .82rem; }
.topbar-inner { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 22px; padding: 7px 20px; }
.topbar a { color: #e8f2ea; font-weight: 600; white-space: nowrap; }
.topbar a:hover { color: var(--amber); text-decoration: none; }
.topbar .tb-right { margin-left: auto; display: flex; gap: 18px; flex-wrap: wrap; }
@media (max-width: 720px) {
  .topbar-inner { gap: 6px 14px; justify-content: center; }
  .topbar .tb-right { margin-left: 0; }
  .topbar-inner > span:not(.tb-right) { display: none; }   /* 小屏只留联系方式 */
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 10px rgba(20,56,42,.06);
}
.header-inner { display: flex; align-items: center; gap: 18px; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand:hover { text-decoration: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { color: var(--green-950); font-size: 1.1rem; letter-spacing: .01em; }
.brand-text small { color: var(--muted); font-size: .7rem; letter-spacing: .02em; }

.main-nav > ul { display: flex; align-items: center; gap: 2px; }
.main-nav a { display: block; padding: 9px 12px; color: var(--ink); font-weight: 500; font-size: .95rem; border-radius: 8px; }
.main-nav a:hover { background: var(--green-100); color: var(--green-700); text-decoration: none; }
.main-nav a.active { color: var(--green-700); font-weight: 700; }
.has-sub { position: relative; }
.has-sub > a .caret { font-size: .7em; margin-left: 3px; }
.sub {
  display: none; position: absolute; top: 100%; left: 0; min-width: 250px;
  background: var(--white); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow); padding: 6px; z-index: 50;
}
.has-sub:hover .sub, .has-sub:focus-within .sub { display: block; }
.sub a { padding: 9px 12px; font-weight: 400; }
.header-wa { flex-shrink: 0; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--green-950); margin: 5px 0; transition: .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  padding: 12px 22px; border-radius: 9px; font-weight: 600; font-size: .95rem;
  border: 2px solid transparent; cursor: pointer; transition: .2s; text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: 0 6px 16px rgba(20,56,42,.18); }
.btn:active { transform: translateY(0); }
.btn-whatsapp { background: var(--wa); color: #fff; }
.btn-paypal { background: var(--paypal); color: #fff; }
.btn-primary { background: var(--green-700); color: #fff; }
.btn-primary:hover { background: var(--green-600); }
.btn-outline { background: transparent; color: var(--green-700); border-color: var(--green-700); }
.btn-outline:hover { background: var(--green-100); }
.btn-amber { background: var(--amber); color: #fff; }
.btn-lg { padding: 15px 30px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ---------- hero ---------- */
.hero {
  background:
    radial-gradient(900px 420px at 85% 10%, rgba(217,164,65,.22), transparent 60%),
    linear-gradient(135deg, var(--green-950) 0%, var(--green-700) 72%, var(--green-600) 100%);
  color: #f2f6f2;
  padding: 66px 0 58px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 14px;
  background: linear-gradient(90deg, var(--amber), #e8c47a, var(--amber));
  opacity: .9;
}
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: center; }
.hero-eyebrow {
  display: inline-block; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.28);
  padding: 6px 16px; border-radius: 999px; font-size: .8rem; letter-spacing: .06em; margin-bottom: 18px;
}
.hero h1 { color: #fff; margin-bottom: 16px; }
.hero p.lead { color: #dfeae2; font-size: 1.08rem; max-width: 540px; margin-bottom: 26px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-scene { text-align: center; }
.hero-scene img { width: 100%; max-width: 500px; margin: 0 auto; filter: drop-shadow(0 22px 34px rgba(0,0,0,.35)); border-radius: 18px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 30px; margin-top: 34px; }
.hero-stats .hs b { display: block; font-size: 1.55rem; color: var(--amber); }
.hero-stats .hs span { font-size: .84rem; color: #c9d8ce; }

/* ---------- sections ---------- */
.section { padding: 58px 0; }
.section-alt { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 700px; margin: 0 auto 36px; text-align: center; }
.section-head p { color: var(--muted); }
.eyebrow { color: var(--green-700); font-weight: 700; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; }

/* trust badges */
.badges { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.badge {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.badge::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--amber); }
.badge b { display: block; color: var(--green-950); margin-bottom: 4px; font-size: 1rem; }
.badge span { color: var(--muted); font-size: .88rem; }
.badge .ico { font-size: 1.5rem; margin-bottom: 8px; }

/* factory stats band */
.stats-band { background: var(--green-900); color: #e6efe8; border-radius: 16px; padding: 30px 26px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; text-align: center; }
.stats-band .sb b { display: block; font-size: 1.7rem; color: var(--amber); }
.stats-band .sb span { font-size: .86rem; color: #c6d6cb; }
.stats-band .sb small { display: block; font-size: .74rem; color: #93a89b; }

/* certification strip */
.cert-strip { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.cert {
  display: inline-flex; align-items: center; gap: 8px; background: var(--white);
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 18px;
  font-weight: 600; font-size: .88rem; color: var(--green-900); box-shadow: var(--shadow);
}
.cert .c-ico { width: 26px; height: 26px; border-radius: 50%; background: var(--green-100); color: var(--green-700); display: inline-flex; align-items: center; justify-content: center; font-size: .8rem; }

/* chips (MOQ / lead time on product cards) */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.chip {
  background: var(--green-100); color: var(--green-800); border: 1px solid #cfe0d2;
  border-radius: 999px; padding: 4px 12px; font-size: .78rem; font-weight: 600;
}
.chip.amber { background: #fdf3dc; color: #8a6414; border-color: #ecd9a4; }

/* category grid */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cat-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s;
}
.cat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.cat-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; background: #fff; }
.cat-card .cc-body { padding: 18px; }
.cat-card h3 { margin-bottom: 6px; }
.cat-card p { color: var(--muted); font-size: .9rem; margin-bottom: 10px; }
.cat-card .more { font-weight: 700; font-size: .88rem; color: var(--green-700); }

/* feature list */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature { display: flex; gap: 14px; align-items: flex-start; }
.feature .f-ico {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px;
  background: var(--green-100); color: var(--green-700);
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.05rem;
}
.feature b { display: block; color: var(--green-950); }
.feature p { color: var(--muted); font-size: .9rem; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow); position: relative;
}
.step .num {
  width: 36px; height: 36px; border-radius: 50%; background: var(--green-700); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; margin-bottom: 12px;
}
.step b { display: block; color: var(--green-950); margin-bottom: 4px; }
.step p { color: var(--muted); font-size: .88rem; }

/* product cards */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(330px, 100%), 1fr)); gap: 26px; }
.product-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .2s;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pc-media { background: linear-gradient(180deg, #fbfaf6, #f2efe6); }
.pc-media img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; background: #fff; }
.pc-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.pc-body h3 { margin-bottom: 6px; }
.pc-desc { color: var(--muted); font-size: .9rem; margin-bottom: 12px; }
.pc-specs { margin-bottom: 14px; }
.pc-specs li {
  position: relative; padding-left: 18px; color: var(--ink); font-size: .88rem; margin-bottom: 4px;
}
.pc-specs li::before { content: "\2713"; position: absolute; left: 0; color: var(--green-700); font-weight: 700; }

/* tier price table */
.tier-table { width: 100%; border-collapse: collapse; margin-bottom: 14px; font-size: .9rem; }
.tier-table th {
  background: var(--green-900); color: #fff; text-align: left; padding: 9px 12px; font-weight: 600;
}
.tier-table td { padding: 9px 12px; border-bottom: 1px solid var(--line); }
.tier-table tbody tr:nth-child(even) { background: var(--cream); }
.tier-table tbody tr:hover { background: var(--green-100); }
.tier-table .t-price { font-weight: 700; color: var(--green-800); }

.pc-order { margin-top: auto; border-top: 1px dashed var(--line); padding-top: 14px; }
.pc-order label { font-size: .9rem; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.qty-input {
  width: 92px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 1rem;
}
.pc-total { margin: 10px 0; font-weight: 700; color: var(--green-950); }
.pc-total .unit-price, .pc-total .total-price { color: var(--amber); }
.pc-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.pc-note { font-size: .78rem; color: var(--muted); margin-top: 10px; }

/* ---------- page hero (inner pages) ---------- */
.page-hero {
  background:
    radial-gradient(700px 300px at 90% 0%, rgba(217,164,65,.18), transparent 60%),
    linear-gradient(135deg, var(--green-950), var(--green-700));
  color: #eaf2ec; padding: 46px 0 40px;
}
.page-hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center; }
.page-hero h1 { color: #fff; margin-bottom: 10px; }
.page-hero p { color: #cfe0d5; max-width: 600px; }
.page-hero .ph-scene { text-align: right; }
.page-hero .ph-scene img { width: 100%; max-width: 430px; margin-left: auto; border-radius: 16px; box-shadow: 0 18px 34px rgba(0,0,0,.3); }
.page-hero .chips { margin-top: 16px; }

/* ---------- generic content ---------- */
.prose { max-width: 800px; margin: 0 auto; }
.prose p { margin-bottom: 14px; color: var(--ink); }
.prose h3 { margin: 22px 0 8px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
}
.card h3 { margin-bottom: 8px; }
.card ul { margin-top: 6px; }
.card li { padding-left: 18px; position: relative; margin-bottom: 6px; font-size: .92rem; }
.card li::before { content: "\2713"; position: absolute; left: 0; color: var(--green-700); font-weight: 700; }

/* factory scene / image blocks */
.scene-fig { position: relative; }
.scene-fig img { width: 100%; border-radius: 16px; box-shadow: var(--shadow-lg); }
.scene-fig .fig-cap {
  position: absolute; left: 16px; bottom: 16px; background: rgba(20,56,42,.88); color: #fff;
  padding: 8px 16px; border-radius: 999px; font-size: .8rem; font-weight: 600;
}

/* testimonials */
.tcards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tcard { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); position: relative; }
.tcard::before { content: "\201C"; position: absolute; top: 6px; right: 18px; font-size: 3.4rem; color: var(--green-100); font-family: Georgia, serif; }
.tcard p { color: var(--ink); font-size: .92rem; margin-bottom: 14px; position: relative; }
.tcard .tc-who { display: flex; align-items: center; gap: 10px; }
.tcard .tc-avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--green-100); color: var(--green-700); display: flex; align-items: center; justify-content: center; font-weight: 800; }
.tcard .tc-who b { display: block; font-size: .9rem; color: var(--green-950); }
.tcard .tc-who span { font-size: .78rem; color: var(--muted); }

/* ---------- forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.form-field label { display: block; font-size: .88rem; font-weight: 600; color: var(--green-950); margin-bottom: 6px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 9px;
  font-size: .95rem; background: #fff; font-family: inherit;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: 2px solid var(--green-600); outline-offset: 1px; border-color: var(--green-600);
}
.form-success {
  display: none; margin-top: 14px; padding: 12px 16px; border-radius: 9px;
  background: var(--green-100); color: var(--green-900); font-weight: 600; font-size: .92rem;
}
.hint { font-size: .8rem; color: var(--muted); margin-top: 8px; }

/* estimator */
.estimator {
  background: var(--green-950); color: #eaf2ec; border-radius: var(--radius); padding: 28px;
  border: 1px solid rgba(255,255,255,.08);
}
.estimator h3 { color: #fff; margin-bottom: 6px; }
.estimator p.sub { color: #cfe0d5; font-size: .9rem; margin-bottom: 18px; }
.estimator .form-grid { margin-bottom: 10px; }
.estimator label { color: #d8e6dd !important; }
.estimator select, .estimator input { background: #fff; }
.est-result {
  display: none; background: rgba(255,255,255,.1); border: 1px dashed rgba(255,255,255,.4);
  border-radius: 10px; padding: 16px; margin-top: 16px; font-size: 1rem;
}
.est-result b { color: var(--amber); font-size: 1.2rem; }
.est-result small { display: block; color: #cfe0d5; margin-top: 6px; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-list details {
  background: var(--white); border: 1px solid var(--line); border-radius: 10px;
  margin-bottom: 12px; box-shadow: var(--shadow); overflow: hidden;
}
.faq-list summary {
  cursor: pointer; padding: 16px 20px; font-weight: 600; color: var(--green-950);
  list-style: none; position: relative; padding-right: 44px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  font-size: 1.4rem; color: var(--green-700); font-weight: 400;
}
.faq-list details[open] summary::after { content: "\2212"; }
.faq-list details .faq-a { padding: 0 20px 16px; color: var(--muted); font-size: .95rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    radial-gradient(600px 260px at 15% 110%, rgba(217,164,65,.28), transparent 60%),
    linear-gradient(135deg, var(--green-700), var(--green-600));
  color: #fff; text-align: center; padding: 52px 20px;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #dce9e0; margin-bottom: 24px; }
.cta-band .btn-ghost { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.55); }
.cta-band .btn-ghost:hover { background: rgba(255,255,255,.24); }

/* ---------- footer ---------- */
.site-footer { background: var(--green-950); color: #c9d8ce; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; padding: 48px 20px 30px;
}
.footer-grid h4 { color: #fff; margin-bottom: 14px; font-size: 1rem; position: relative; padding-bottom: 8px; }
.footer-grid h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 3px; background: var(--amber); border-radius: 2px; }
.footer-grid a { color: #b9cdc0; }
.footer-grid a:hover { color: #fff; text-decoration: underline; }
.footer-grid li { margin-bottom: 9px; font-size: .9rem; }
.f-brand p { font-size: .9rem; margin-top: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 16px 0; font-size: .82rem; color: #93a89b; }

/* floating whatsapp */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%; background: var(--wa); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .45); transition: transform .2s;
}
.wa-float svg { width: 28px; height: 28px; }
.wa-float:hover { transform: scale(1.1); text-decoration: none; }

/* back to top */
.back-top {
  position: fixed; right: 22px; bottom: 86px; z-index: 89;
  width: 42px; height: 42px; border-radius: 10px; background: var(--green-900); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
  opacity: 0; pointer-events: none; transition: .25s; box-shadow: var(--shadow);
}
.back-top.show { opacity: 1; pointer-events: auto; }
.back-top:hover { background: var(--green-700); text-decoration: none; }

/* mobile sticky action bar */
.sticky-mobile { display: none; }
@media (max-width: 720px) {
  body { padding-bottom: 62px; }
  .sticky-mobile {
    display: grid; grid-template-columns: 1fr 1fr; position: fixed; left: 0; right: 0; bottom: 0;
    z-index: 95; box-shadow: 0 -4px 18px rgba(20,56,42,.18);
  }
  .sticky-mobile .sm-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 16px 10px; font-weight: 700; font-size: .95rem; color: #fff; }
  .sticky-mobile .sm-btn:hover { text-decoration: none; filter: brightness(1.07); }
  .sticky-mobile .sm-wa { background: var(--wa); }
  .sticky-mobile .sm-quote { background: var(--green-700); }
  .wa-float { right: 14px; bottom: 78px; width: 50px; height: 50px; }
  .back-top { right: 16px; bottom: 138px; }
}

/* ---------- misc ---------- */
.mt-1 { margin-top: 10px; } .mt-2 { margin-top: 20px; } .mt-3 { margin-top: 32px; }
.center { text-align: center; }
.two-cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .page-hero-inner { grid-template-columns: 1fr; }
  .page-hero .ph-scene { text-align: center; }
  .page-hero .ph-scene img { margin: 0 auto; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .badges { grid-template-columns: repeat(2, 1fr); }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .tcards { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; top: 72px; left: 0; right: 0; bottom: 0; background: var(--white);
    padding: 16px 20px; overflow-y: auto; transform: translateX(100%); transition: transform .28s; z-index: 90;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .main-nav a { padding: 14px 12px; font-size: 1.05rem; }
  .sub { display: block; position: static; box-shadow: none; border: 0; padding: 0 0 0 14px; min-width: 0; }
  .header-wa { display: none; }
  .cat-grid, .features, .steps, .badges, .footer-grid, .stats-band, .tcards { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .hero { padding: 46px 0 44px; }
  .product-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 18px; }
}

/* ---------- factory videos ---------- */
.video-band {
  background: radial-gradient(700px 300px at 15% 0%, rgba(217,164,65,.14), transparent 60%),
              linear-gradient(135deg, var(--green-950), var(--green-900));
  padding: 58px 0;
}
.video-band .section-head h2 { color: #fff; }
.video-band .section-head p { color: #cfe0d5; }
.video-band .eyebrow { color: var(--amber); }
.video-band .video-grid figcaption { color: #b9cdc0; }
/* single merged player window */
.video-single { max-width: 860px; width: 100%; min-width: 0; margin: 0 auto; text-align: center; }
.video-single video {
  width: 100% !important; max-width: 100% !important; height: auto; display: block; margin: 0 auto;
  object-fit: contain; object-position: center; border-radius: 14px;
  background: #000; box-shadow: var(--shadow-lg);
}
.vs-meta {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: 12px; color: #d8e6dd; font-size: .9rem;
}
.vs-title { font-weight: 600; }
.vs-indicator {
  flex-shrink: 0; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25);
  padding: 3px 12px; border-radius: 999px; font-size: .78rem; color: var(--amber);
}
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr)); gap: 24px; }
.video-grid figure { margin: 0; }
.video-grid video {
  width: 100%; display: block; border-radius: 12px;
  aspect-ratio: 3 / 4; object-fit: contain;
  background: #000; box-shadow: var(--shadow-lg);
}
.video-grid figcaption { margin-top: 10px; font-size: .88rem; color: var(--muted); text-align: center; }
.video-featured { margin-top: 26px; }
.video-featured video { width: 100%; height: auto; border-radius: 14px; background: #000; box-shadow: var(--shadow-lg); display: block; }

/* ---------- blog ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); gap: 26px; }
.blog-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.blog-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; background: #fff; }
.blog-card .bc-body { padding: 20px; }
.blog-card .bc-date { font-size: .76rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.blog-card h3 { margin: 6px 0 8px; font-size: 1.05rem; line-height: 1.3; }
.blog-card h3 a { color: var(--green-900); }
.blog-card p { color: var(--muted); font-size: .9rem; margin-bottom: 10px; }
.blog-article { max-width: 900px; margin: 0 auto; }
.blog-article > p { font-size: 1.02rem; }
.blog-article h2 { margin-top: 28px; margin-bottom: 10px; font-size: 1.35rem; }
.blog-article ul, .blog-article ol { margin: 0 0 16px; padding-left: 22px; list-style: disc; }
.blog-article li { margin-bottom: 6px; font-size: .95rem; }
.blog-article a { font-weight: 600; color: var(--green-700); }