/* ============================================================
   JiaxiTrade — International Site Stylesheet
   Design system: Ink #0B1B2A · Accent #157286 · Geist / Geist Mono
   Grid: 1200px content · 96px section rhythm · radius 8/12/16/20
   ============================================================ */

:root {
  /* Color tokens */
  --ink: #0B1B2A;
  --ink-hover: #16293D;
  --body: #47576B;
  --muted: #6B7C8F;
  --faint: #93A3B3;
  --line: #E2E8ED;
  --line-soft: #E7EDF1;
  --soft: #F5F8FA;
  --panel: #EDF3F6;
  --accent: #157286;
  --accent-soft: #E8F3F5;
  --accent-light: #7FC3D1;
  --white: #FFFFFF;
  /* Dark-section helpers */
  --dark-line: #22384D;
  --dark-line-2: #2A435C;
  --dark-line-3: #3A5470;
  --dark-muted: #93A6B8;
  --dark-faint: #7E93A8;
  /* Radius / shadow */
  --r-btn: 8px;
  --r-card: 16px;
  --r-panel: 20px;
  --shadow-float: 0 12px 26px -6px rgba(11, 27, 42, .14);
  --shadow-bar: 0 -6px 20px -6px rgba(11, 27, 42, .12);
  /* Fonts */
  --font-ui: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------------- Reset & base ---------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 400 16px/1.6 var(--font-ui);
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

/* ---------------- Layout ---------------- */
.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 20px; }
.section { padding: 96px 0; }
.section--tight { padding: 64px 0; }
.section--soft { background: var(--soft); }
.section--dark { background: var(--ink); color: var(--white); }
.hairline { height: 1px; background: var(--line-soft); }

/* Section headers */
.eyebrow {
  font: 600 12px/1.3 var(--font-ui);
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow--muted { color: var(--muted); letter-spacing: 1.2px; }
.eyebrow--light { color: var(--accent-light); }
.section-head { display: flex; flex-direction: column; gap: 12px; margin-bottom: 44px; }
.section-head--center { align-items: center; text-align: center; }
.section-head h2 { font-size: clamp(26px, 3vw, 34px); line-height: 1.24; letter-spacing: -.5px; font-weight: 700; }
.section-head .sub { max-width: 680px; font-size: 16px; line-height: 1.62; color: var(--body); }

h3 { font-size: 20px; line-height: 1.4; font-weight: 600; letter-spacing: -.2px; }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 50px; padding: 0 24px; border: 0; border-radius: var(--r-btn);
  font: 600 15px/1 var(--font-ui); cursor: pointer; white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--ink); color: var(--white); }
.btn--primary:hover { background: var(--ink-hover); }
.btn--secondary { background: var(--white); color: var(--ink); border: 1px solid #D5DDE4; }
.btn--secondary:hover { border-color: var(--muted); }
.btn--light { background: var(--white); color: var(--ink); }
.btn--light:hover { background: var(--accent-soft); }
.btn--ghost-light { background: transparent; color: var(--white); border: 1px solid var(--dark-line-3); }
.btn--ghost-light:hover { border-color: var(--dark-muted); }
.btn--sm { height: 44px; padding: 0 20px; font-size: 14px; }
.btn--block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 7px;
  font: 600 14px/1 var(--font-ui); color: var(--accent);
}
.link-arrow:hover { color: var(--ink); }
.link-arrow .icon { width: 16px; height: 16px; }
.link-arrow--light { color: var(--accent-light); }
.link-arrow--light:hover { color: var(--white); }
.link-arrow--md { font-size: 15px; }

/* ---------------- Icons ---------------- */
.icon { width: 16px; height: 16px; flex: none; }
.icon-18 { width: 18px; height: 18px; }
.icon-22 { width: 22px; height: 22px; }

/* Icon tile (40px rounded square) */
.icon-tile {
  width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft);
  display: inline-flex; align-items: center; justify-content: center; flex: none;
}

/* ---------------- Chips & badges ---------------- */
.chip {
  display: inline-flex; align-items: center; height: 30px; padding: 0 12px;
  border-radius: 999px; border: 1px solid var(--line); background: var(--white);
  font: 500 13px/1 var(--font-ui); color: var(--ink); white-space: nowrap;
}
.chip--accent { background: var(--accent-soft); border-color: transparent; color: var(--accent); font-weight: 600; }
.chip--sm { height: 26px; padding: 0 10px; font-size: 12px; font-weight: 600; }
.chip--dark { background: transparent; border-color: var(--dark-line-2); color: #B9C7D4; }
.chip--toggle { cursor: pointer; }
.chip--toggle.is-active { background: var(--ink); border-color: var(--ink); color: var(--white); }
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------------- Header ---------------- */
.topbar { background: var(--ink); color: var(--dark-muted); font-size: 12px; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 36px; }
.topbar a { color: #D7E2EC; font-weight: 500; }
.topbar a:hover { color: var(--white); }

.navbar { position: sticky; top: 0; z-index: 50; background: var(--white); border-bottom: 1px solid var(--line-soft); }
.navbar.is-scrolled { box-shadow: 0 6px 20px -12px rgba(11, 27, 42, .25); }
.navbar .container { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-name { font-weight: 700; font-size: 17px; letter-spacing: -.3px; line-height: 1.1; }
.logo-sub { font-size: 9px; font-weight: 600; letter-spacing: 1.4px; color: var(--muted); text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-links a { font: 500 14px/1 var(--font-ui); color: var(--ink); }
.nav-links a:hover { color: var(--accent); }
.navbar .btn { margin-left: 8px; height: 40px; padding: 0 18px; font-size: 14px; }
.menu-toggle {
  display: none; width: 42px; height: 42px; margin-left: auto;
  background: none; border: 0; cursor: pointer; align-items: center; justify-content: center;
}
.mobile-menu { display: none; }

/* ---------------- Hero ---------------- */
.hero { padding: 84px 0; }
.hero .container { display: grid; grid-template-columns: 1fr 500px; gap: 80px; align-items: center; }
.hero-copy { display: flex; flex-direction: column; gap: 26px; align-items: flex-start; }
.hero h1 { font-size: clamp(34px, 4.4vw, 48px); line-height: 1.17; letter-spacing: -.8px; font-weight: 700; max-width: 620px; }
.hero .sub { font-size: 17px; line-height: 1.65; color: var(--body); max-width: 568px; }
.assurance { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.assurance span { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--body); }
.assurance .icon { color: var(--accent); }

.hero-visual { position: relative; border-radius: var(--r-panel); background: linear-gradient(180deg, #F2F7F9 0%, #E4EFF6 100%); padding: 24px; }
.hero-visual .media { border-radius: 14px; aspect-ratio: 452 / 452; }
.float-chip {
  position: absolute; display: flex; flex-direction: column; gap: 3px; padding: 14px 16px;
  background: var(--white); border-radius: 12px; box-shadow: var(--shadow-float);
}
.float-chip .value { font: 600 20px/1.2 var(--font-mono); }
.float-chip .note { font-size: 12px; color: var(--muted); }
.float-chip--a { left: 40px; bottom: 32px; }
.float-chip--b { right: 32px; top: 40px; }
.hero-cert {
  position: absolute; right: 32px; bottom: 32px; height: 32px; padding: 0 12px;
  display: inline-flex; align-items: center; border-radius: 999px; background: var(--white);
  border: 1px solid var(--line); font: 500 12px/1 var(--font-ui); color: var(--ink);
}

/* Media placeholder (replace with <img>) */
.media {
  position: relative; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(180deg, #F2F7F9 0%, #E4EFF6 100%);
  border-radius: 14px; overflow: hidden;
}
.media > span { font: 500 16px/1.4 var(--font-ui); color: #8AA0B0; padding: 12px; text-align: center; }
.media img { width: 100%; height: 100%; object-fit: cover; }
.media--panel { background: var(--panel); }

/* ---------------- Stats band ---------------- */
.stats { border-top: 1px solid var(--line-soft); }
.stats .container { display: grid; grid-template-columns: repeat(4, 1fr); padding-top: 0; padding-bottom: 0; }
.stat { padding: 26px 0; text-align: center; }
.stat .value { font: 600 30px/1.1 var(--font-mono); letter-spacing: -.5px; }
.stat .label { margin-top: 6px; font-size: 13px; color: var(--muted); }

/* ---------------- Cert strip ---------------- */
.cert-strip { background: var(--soft); }
.cert-strip .container { display: flex; align-items: center; gap: 20px; min-height: 60px; flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; }
.cert-strip .label { font: 600 12px/1 var(--font-ui); letter-spacing: 1.2px; color: var(--muted); text-transform: uppercase; }
.cert-strip .chip-row { margin-left: auto; }

/* ---------------- Grids ---------------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 1120px) { .grid--5 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 960px) { .grid--5 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid--5 { grid-template-columns: 1fr; } }

/* ---------------- Cards ---------------- */
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-card);
  padding: 24px; display: flex; flex-direction: column; gap: 12px;
}
.card:hover { border-color: #D3DCE3; }
.card .card-title { font-size: 16px; font-weight: 600; }
.card p { font-size: 14px; line-height: 1.58; color: var(--body); }

/* Product card (home) */
.product-card { overflow: hidden; padding: 0; gap: 0; }
.product-card .media { border-radius: 16px 16px 0 0; aspect-ratio: 588 / 300; }
.product-card .body { padding: 26px; display: flex; flex-direction: column; gap: 16px; }
.model-code { font: 600 13px/1 var(--font-mono); letter-spacing: .6px; color: var(--accent); }
.product-card h3 { font-size: 20px; }
.product-card .desc { font-size: 14px; line-height: 1.58; color: var(--body); }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 14px; }
.spec-pair .k { font: 500 11px/1.4 var(--font-ui); letter-spacing: .6px; text-transform: uppercase; color: var(--muted); }
.spec-pair .v { margin-top: 3px; font: 500 14px/1.4 var(--font-ui); }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line-soft); padding-top: 16px; }
.card-foot .moq { font: 500 13px/1.4 var(--font-ui); }

/* Value cards (why) */
.value-card { gap: 12px; }
.value-card .card-title { font-size: 16px; }

/* Product row (products page) */
.product-row { flex-direction: row; padding: 0; overflow: hidden; }
.product-row .media { width: 44%; min-height: 350px; border-radius: 16px 0 0 16px; flex: none; }
.product-row .body { flex: 1; padding: 30px; display: flex; flex-direction: column; gap: 14px; }
.product-row h3 { font-size: 24px; }
.product-row .desc { font-size: 15px; line-height: 1.6; color: var(--body); }

/* Bento (use cases) */
.bento { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.bento-col { display: flex; flex-direction: column; gap: 24px; }
.case-card { overflow: hidden; padding: 0; gap: 0; }
.case-card .media { border-radius: 16px 16px 0 0; aspect-ratio: 588 / 260; }
.case-card .body { padding: 24px; display: flex; flex-direction: column; gap: 8px; }
.case-card--row { flex-direction: row; }
.case-card--row .media { width: 196px; aspect-ratio: auto; border-radius: 16px 0 0 16px; flex: none; }
.case-card--row .body { padding: 22px; justify-content: center; }

/* ---------------- Spec table ---------------- */
.table-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-card); padding: 8px 36px 20px; }
.table-scroll { overflow-x: auto; }
table.spec-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.spec-table th, .spec-table td { text-align: left; padding: 14px 16px; font-size: 14px; vertical-align: top; }
.spec-table thead th { font: 600 12px/1.4 var(--font-ui); letter-spacing: 1px; text-transform: uppercase; color: var(--muted); padding-top: 22px; }
.spec-table thead th.model { font: 600 14px/1.4 var(--font-mono); letter-spacing: .3px; color: var(--ink); text-transform: none; }
.spec-table tbody tr { border-top: 1px solid var(--line-soft); }
.spec-table tbody tr:nth-child(even) { background: #F8FAFC; }
.spec-table td:first-child { color: var(--body); width: 34%; }
.spec-table td { font-weight: 500; }
.table-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 16px 2px; }
.table-foot .note { font-size: 13px; color: var(--muted); }

/* ---------------- Steps (dark) ---------------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 44px; }
.step { display: flex; flex-direction: column; gap: 10px; }
.step .num { font: 600 15px/1 var(--font-mono); color: var(--accent-light); }
.step .rule { height: 1px; background: var(--dark-line-2); }
.step .t { font-size: 16px; font-weight: 600; }
.step .c { font-size: 14px; line-height: 1.58; color: var(--dark-muted); }
.section--dark .sub { color: var(--dark-muted); }

/* ---------------- FAQ (details) ---------------- */
.faq-layout { display: grid; grid-template-columns: 380px 1fr; gap: 64px; }
.faq-list { border-top: 1px solid var(--line-soft); }
details.faq {
  border-bottom: 1px solid var(--line-soft);
}
details.faq summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 0; font: 600 16px/1.4 var(--font-ui);
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary .pm { flex: none; width: 16px; height: 16px; position: relative; }
details.faq summary .pm::before, details.faq summary .pm::after {
  content: ""; position: absolute; background: var(--muted); border-radius: 2px; transition: transform .18s;
}
details.faq summary .pm::before { left: 0; right: 0; top: 7px; height: 2px; }
details.faq summary .pm::after { top: 0; bottom: 0; left: 7px; width: 2px; }
details.faq[open] summary .pm::after { transform: scaleY(0); }
details.faq[open] summary .pm::before { background: var(--accent); }
details.faq .answer { padding: 0 0 22px; max-width: 660px; font-size: 15px; line-height: 1.62; color: var(--body); }

/* ---------------- CTA panel ---------------- */
.cta-panel {
  background: var(--ink); border-radius: var(--r-panel); padding: 72px 80px;
  display: flex; flex-direction: column; align-items: center; gap: 22px; text-align: center;
}
.cta-panel h2 { font-size: clamp(26px, 3vw, 34px); letter-spacing: -.5px; color: var(--white); }
.cta-panel .sub { max-width: 640px; color: var(--dark-muted); font-size: 16px; line-height: 1.62; }
.cta-panel .note { font-size: 13px; color: var(--dark-faint); }
.cta-panel .btn-row { justify-content: center; }

/* ---------------- Footer ---------------- */
.footer { background: var(--ink); color: var(--dark-muted); padding: 72px 0 40px; }
.footer-top { display: grid; grid-template-columns: 360px 1fr 1fr 1fr; gap: 64px; }
.footer .logo-name { color: var(--white); }
.footer .logo-sub { color: var(--dark-faint); }
.footer .tagline { margin-top: 18px; font-size: 14px; line-height: 1.6; max-width: 320px; }
.footer .chip-row { margin-top: 18px; }
.footer h4 { font: 600 12px/1.4 var(--font-ui); letter-spacing: 1.2px; text-transform: uppercase; color: var(--dark-faint); margin: 6px 0 14px; }
.footer-col a, .footer-col span { display: block; font-size: 14px; line-height: 1.5; color: var(--dark-muted); padding: 5px 0; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid var(--dark-line); margin-top: 56px; padding-top: 28px; font-size: 12px; color: var(--dark-faint); }
.footer-bottom a { color: var(--dark-faint); }
.footer-bottom a:hover { color: var(--white); }

/* ---------------- Forms ---------------- */
.form-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-card); padding: 36px; display: flex; flex-direction: column; gap: 20px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font: 500 13px/1.4 var(--font-ui); }
.field .req { color: var(--accent); }
.field input, .field select, .field textarea {
  width: 100%; height: 48px; padding: 0 14px; border: 1px solid #D5DDE4; border-radius: var(--r-btn);
  background: var(--white); font-size: 14px; transition: border-color .15s;
}
.field textarea { height: 120px; padding: 12px 14px; resize: vertical; line-height: 1.6; }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(21, 114, 134, .12); }
.field--full { grid-column: 1 / -1; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M6 9.5L12 15.5L18 9.5' stroke='%236B7C8F' stroke-width='2.1' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--body); }
.consent input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--accent); flex: none; }
.form-note { font-size: 13px; color: var(--muted); }
.form-success { display: none; background: var(--accent-soft); border-radius: var(--r-btn); padding: 14px 16px; font-size: 14px; color: var(--ink); }

/* Contact rail */
.rail { display: flex; flex-direction: column; gap: 20px; }
.rail-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-card); padding: 26px; display: flex; flex-direction: column; gap: 18px; }
.rail-card--accent { background: var(--accent-soft); border-color: transparent; }
.rail-row { display: flex; gap: 14px; align-items: flex-start; }
.rail-row .icon { color: var(--accent); margin-top: 3px; }
.rail-row .v { font: 500 15px/1.4 var(--font-ui); }
.rail-row .n { margin-top: 3px; font-size: 13px; color: var(--muted); }
.rail-row .n--dark { color: var(--body); }
.next-steps { display: flex; flex-direction: column; gap: 12px; }
.next-step { display: flex; gap: 10px; font-size: 14px; color: #33475B; }
.next-step .num { font: 600 13px/1.5 var(--font-mono); color: var(--accent); }

/* ---------------- Insights ---------------- */
.filter-row { display: flex; flex-wrap: wrap; gap: 10px; }
.article-card { overflow: hidden; padding: 0; gap: 0; }
.article-card:hover .card-title { color: var(--accent); }
.article-card .media { border-radius: 16px 16px 0 0; aspect-ratio: 384 / 190; }
.article-card .body { padding: 20px; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.article-card .card-title { font-size: 17px; line-height: 1.42; }
.article-card .meta { font-size: 13px; color: var(--muted); }
.featured-card { flex-direction: row; padding: 0; overflow: hidden; }
.featured-card .media { width: 47%; aspect-ratio: auto; min-height: 320px; border-radius: 16px 0 0 16px; flex: none; }
.featured-card .body { padding: 32px; display: flex; flex-direction: column; gap: 14px; align-items: flex-start; justify-content: center; }
.featured-card h3 { font-size: clamp(20px, 2.2vw, 26px); line-height: 1.3; letter-spacing: -.4px; }
.featured-card .excerpt { font-size: 15px; line-height: 1.6; color: var(--body); }
.newsletter { background: var(--soft); border-radius: var(--r-panel); padding: 44px 48px; display: flex; align-items: center; gap: 48px; }
.newsletter .title { font-size: 22px; font-weight: 600; letter-spacing: -.3px; }
.newsletter .sub { margin-top: 8px; font-size: 14px; color: var(--muted); }
.newsletter form { margin-left: auto; display: flex; gap: 10px; }
.newsletter input { width: 280px; height: 48px; padding: 0 14px; border: 1px solid #D5DDE4; border-radius: var(--r-btn); font-size: 14px; }

/* ---------------- Split layouts ---------------- */
.split { display: grid; grid-template-columns: 1fr 504px; gap: 80px; align-items: center; }
.split--reverse { grid-template-columns: 504px 1fr; }
.split .media { aspect-ratio: 504 / 420; }
.checklist { display: flex; flex-direction: column; gap: 12px; margin: 6px 0; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; line-height: 1.5; color: #33475B; }
.checklist .icon { color: var(--accent); margin-top: 3px; }

/* Strip (samples / docs) */
.strip { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; background: var(--white); border: 1px solid var(--line); border-radius: var(--r-card); padding: 22px 28px; }
.strip .item { display: inline-flex; align-items: center; gap: 9px; font: 500 14px/1.4 var(--font-ui); }
.strip .item .icon { color: var(--accent); }
.strip .link-arrow { margin-left: auto; }

/* Region tiles & scenario cards */
.mini-tile { padding: 22px; gap: 8px; }
.mini-tile .t { font-size: 16px; font-weight: 600; }
.mini-tile .n { font-size: 13px; color: var(--muted); line-height: 1.5; }
.scenario-card { gap: 14px; }
.scenario-card .top { display: flex; align-items: center; justify-content: space-between; }
.scenario-card .index { font: 600 14px/1 var(--font-mono); color: #C3CFD8; }
.scenario-card .fit { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; border-top: 1px solid var(--line-soft); padding-top: 14px; margin-top: 2px; }
.scenario-card .buyers { font-size: 13px; color: var(--muted); }

/* Numbered columns (about) */
.cols-3 { display: grid; grid-template-columns: 1fr 1px 1fr 1px 1fr; gap: 28px; }
.cols-3 .vline { background: var(--line); }
.cols-3 .col { display: flex; flex-direction: column; gap: 12px; }
.cols-3 .col p { font-size: 15px; line-height: 1.6; color: var(--body); }

/* ---------------- Mobile bar ---------------- */
.mobile-bar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: var(--white); padding: 10px 20px; gap: 12px;
  box-shadow: var(--shadow-bar);
}
.mobile-bar .btn { flex: 1; height: 46px; }
.mobile-bar .wa {
  width: 46px; height: 46px; flex: none; border-radius: var(--r-btn); background: var(--accent-soft);
  display: inline-flex; align-items: center; justify-content: center; color: var(--accent);
}

/* ---------------- Subpage components ---------------- */
.page-hero { padding: 56px 0 64px; }
.page-hero .container { display: grid; grid-template-columns: 1fr 360px; gap: 64px; align-items: start; }
.page-hero .copy { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; }
.page-hero h1 { font-size: clamp(30px, 3.6vw, 44px); line-height: 1.2; letter-spacing: -.8px; }
.crumbs { font-size: 13px; color: var(--muted); }
.crumbs a:hover { color: var(--accent); }
.glance { background: var(--soft); border-radius: var(--r-card); padding: 26px; display: flex; flex-direction: column; gap: 16px; }
.cat-label { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.cat-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.group + .group { margin-top: 56px; }
.product-top { display: grid; grid-template-columns: 560px 1fr; gap: 64px; align-items: start; }
.gallery { display: flex; flex-direction: column; gap: 14px; }
.gallery-main { aspect-ratio: 560 / 430; }
.thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.thumbs .media { aspect-ratio: 178 / 118; border-radius: 10px; }
.thumbs .media > span { font-size: 12px; }
.pdp-info { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.pdp-info h1 { font-size: clamp(26px, 3.2vw, 40px); line-height: 1.22; letter-spacing: -.7px; }
.pdp-info .desc { font-size: 16px; line-height: 1.62; color: var(--body); }
.hairline--full { height: 1px; background: var(--line-soft); width: 100%; }
.app-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.app-col { display: flex; flex-direction: column; gap: 12px; }
.app-col .rule { height: 2px; background: var(--ink); }
.app-col h3 { font-size: 17px; }
.app-col p { font-size: 14px; line-height: 1.58; color: var(--body); }
.related-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 32px; }
.related-head .t { font-size: 24px; font-weight: 600; letter-spacing: -.4px; }
.related-card .media { width: 240px; aspect-ratio: 240 / 200; border-radius: 16px 0 0 16px; flex: none; }
.related-card .body { padding: 26px; justify-content: center; }
@media (max-width: 1024px) {
  .product-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 960px) {
  .page-hero { padding: 40px 0 48px; }
  .page-hero .container { grid-template-columns: 1fr; gap: 32px; }
  .glance { width: 100%; }
  .product-top { grid-template-columns: 1fr; gap: 32px; }
  .app-cols { grid-template-columns: 1fr; gap: 28px; }
  .related-card { flex-direction: column; }
  .related-card .media { width: 100%; aspect-ratio: 16 / 9; border-radius: 16px 16px 0 0; }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 1120px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .hero .container { grid-template-columns: 1fr 420px; gap: 48px; }
}
@media (max-width: 960px) {
  .section { padding: 64px 0; }
  .nav-links, .navbar .btn { display: none; }
  .menu-toggle { display: inline-flex; }
  .mobile-menu {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--white); border-bottom: 1px solid var(--line);
    padding: 12px 20px 24px; flex-direction: column; gap: 4px;
    box-shadow: 0 24px 32px -20px rgba(11, 27, 42, .25);
  }
  .navbar.is-open .mobile-menu { display: flex; }
  .mobile-menu a { padding: 13px 4px; font-size: 16px; font-weight: 500; border-bottom: 1px solid var(--line-soft); }
  .mobile-menu .btn { margin-top: 16px; }
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 520px; }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--2, .bento { grid-template-columns: 1fr; }
  .product-row { flex-direction: column; }
  .product-row .media { width: 100%; min-height: 0; aspect-ratio: 16 / 10; border-radius: 16px 16px 0 0; }
  .faq-layout { grid-template-columns: 1fr; gap: 32px; }
  .split, .split--reverse { grid-template-columns: 1fr; gap: 40px; }
  .split--reverse .media { order: 2; }
  .featured-card { flex-direction: column; }
  .featured-card .media { width: 100%; min-height: 0; aspect-ratio: 16 / 9; border-radius: 16px 16px 0 0; }
  .cols-3 { grid-template-columns: 1fr; gap: 28px; }
  .cols-3 .vline { display: none; }
  .newsletter { flex-direction: column; align-items: flex-start; gap: 24px; }
  .newsletter form { margin-left: 0; width: 100%; }
  .newsletter input { flex: 1; width: auto; }
  .cta-panel { padding: 56px 32px; }
  .stats .container { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .section { padding: 48px 0; }
  .topbar .container { justify-content: center; }
  .topbar .topbar-right { display: none; }
  .hero { padding: 40px 0 48px; }
  .hero-copy { gap: 20px; }
  .btn { width: 100%; }
  .btn-row { flex-direction: column; align-items: stretch; width: 100%; }
  .btn-row .link-arrow { justify-content: center; padding: 10px 0; }
  .grid--3, .grid--4, .steps { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .card-foot { flex-direction: column; align-items: flex-start; gap: 8px; }
  .cert-strip .chip-row { margin-left: 0; }
  .cert-strip .container { flex-direction: column; align-items: flex-start; gap: 12px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .form-card { padding: 22px; }
  .form-grid { grid-template-columns: 1fr; }
  .newsletter { padding: 28px 22px; }
  .table-card { padding: 4px 16px 16px; }
  .mobile-bar { display: flex; }
  body { padding-bottom: 74px; }
  .float-chip--a { left: 16px; bottom: 16px; }
  .float-chip--b { right: 16px; top: 20px; }
  .hero-cert { display: none; }
}