/* SinoPro — public site stylesheet (English buyer-facing) */

:root {
  --ink: #0b1220;
  --ink-2: #1f2a3d;
  --muted: #5b6b82;
  --muted-2: #8296ad;
  --line: #e3e8ef;
  --line-2: #eef2f7;
  --bg: #f6f8fc;
  --card: #ffffff;
  --brand: #1d4ed8;
  --brand-2: #2563eb;
  --brand-ink: #172554;
  --accent: #06b6d4;
  --ok: #059669;
  --warn: #b45309;
  --err: #dc2626;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(16, 25, 40, .06), 0 8px 24px -12px rgba(16, 25, 40, .18);
  --shadow-lg: 0 2px 4px rgba(16, 25, 40, .06), 0 24px 48px -20px rgba(16, 25, 40, .28);
  --wrap: 1200px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .4em; color: var(--ink); }
h1 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.35rem, 2.2vw, 1.8rem); letter-spacing: -.01em; }
h3 { font-size: 1.075rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.15em; }
code { font-family: var(--mono); font-size: .92em; background: var(--line-2); padding: .1em .4em; border-radius: 4px; }
.muted { color: var(--muted); }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 12px; top: 12px; background: #fff; padding: 8px 14px; border-radius: 8px; z-index: 99; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 18px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex: 0 0 auto; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand-2), var(--brand-ink));
  box-shadow: 0 6px 16px -6px rgba(29, 78, 216, .7);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 1.12rem; letter-spacing: -.02em; color: var(--ink); }
.brand-text small { font-size: .7rem; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.brand-light .brand-text strong { color: #fff; }
.brand-light .brand-text small { color: rgba(255, 255, 255, .6); }
.nav { display: flex; gap: 4px; flex: 1 1 auto; }
.nav-link { padding: 8px 12px; border-radius: 8px; color: var(--ink-2); font-size: .93rem; font-weight: 500; }
.nav-link:hover { background: var(--line-2); text-decoration: none; }
.nav-link.is-active { color: var(--brand); background: #eef2ff; }
.header-search { display: flex; gap: 0; flex: 0 1 320px; }
.header-search input {
  flex: 1; min-width: 0; padding: 9px 12px; border: 1px solid var(--line);
  border-right: 0; border-radius: 9px 0 0 9px; font: inherit; font-size: .9rem; background: #fff;
}
.header-search input:focus { outline: 2px solid rgba(37, 99, 235, .35); outline-offset: -1px; }
.header-search button {
  display: inline-flex; align-items: center; gap: 6px; padding: 0 12px; border: 1px solid var(--line);
  border-radius: 0 9px 9px 0; background: var(--line-2); color: var(--ink-2); cursor: pointer; font: inherit; font-size: .87rem;
}
.header-search button:hover { background: #e6ecf5; }
.header-cta { white-space: nowrap; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 6px 11px; font-size: 1.1rem; cursor: pointer; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 600; font-size: .92rem; cursor: pointer; text-decoration: none;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 18px -10px rgba(29, 78, 216, .9); }
.btn-primary:hover { background: #1a44c2; }
.btn-secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { background: var(--line-2); }
.btn-sm { padding: 7px 12px; font-size: .84rem; border-radius: 8px; }
.btn-lg { padding: 13px 26px; font-size: 1rem; }
.btn-block { width: 100%; }
.link-arrow { font-weight: 600; font-size: .9rem; }
.link-quiet { font-weight: 600; font-size: .87rem; color: var(--ink-2); }
.link-quiet:hover { color: var(--brand); }

/* ---------- hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(1100px 420px at 12% -10%, rgba(37, 99, 235, .55), transparent 60%),
    radial-gradient(900px 400px at 92% 8%, rgba(6, 182, 212, .35), transparent 62%),
    linear-gradient(160deg, #0b1220 0%, #12203c 55%, #0b1220 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 46px 46px;
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.55fr 1fr; gap: 44px; padding: 68px 20px 76px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .74rem; font-weight: 700; color: #93c5fd; margin-bottom: 14px; }
.hero h1 { color: #fff; margin-bottom: 14px; }
.lede { font-size: 1.06rem; color: var(--muted); max-width: 62ch; }
.hero .lede { color: rgba(255, 255, 255, .82); }
.hero-search { display: flex; gap: 10px; margin: 26px 0 18px; max-width: 620px; }
.hero-search input { flex: 1; padding: 13px 16px; border-radius: 12px; border: 1px solid rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .12); color: #fff; font: inherit; }
.hero-search input::placeholder { color: rgba(255, 255, 255, .62); }
.hero-search input:focus { outline: 2px solid rgba(147, 197, 253, .6); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.hero-tags a { font-size: .82rem; color: rgba(255, 255, 255, .85); border: 1px solid rgba(255, 255, 255, .22); padding: 5px 12px; border-radius: 999px; }
.hero-tags a:hover { background: rgba(255, 255, 255, .12); text-decoration: none; }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.stat { background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .13); border-radius: var(--radius); padding: 20px 18px; }
.stat strong { display: block; font-size: 2rem; line-height: 1; letter-spacing: -.03em; }
.stat span { font-size: .8rem; color: rgba(255, 255, 255, .72); }

/* ---------- sections & grids ---------- */
.section { padding: 62px 0; }
.section-alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-tight { padding: 34px 0 64px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 26px; flex-wrap: wrap; }
.section-head h2 { margin: 0; }
.section-head p { margin: 4px 0 0; color: var(--muted); max-width: 70ch; }
.page-head { background: #fff; border-bottom: 1px solid var(--line); padding: 40px 0 34px; }
.page-head h1 { margin-bottom: 8px; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(288px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(238px, 1fr)); }

/* ---------- cards ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #d7e0ec; }
.card-media { position: relative; display: block; background: #0b1220; aspect-ratio: 4 / 3; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-video { position: absolute; top: 10px; right: 10px; display: inline-flex; align-items: center; gap: 5px; background: rgba(11, 18, 32, .78); color: #fff; font-size: .72rem; font-weight: 600; padding: 4px 9px; border-radius: 999px; backdrop-filter: blur(4px); }
.card-cat { position: absolute; left: 10px; bottom: 10px; background: rgba(255, 255, 255, .94); color: var(--ink); font-size: .72rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; border-left: 3px solid var(--cat, var(--brand)); max-width: calc(100% - 20px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-body { padding: 15px 16px 16px; display: flex; flex-direction: column; flex: 1; }
.card-brand { font-size: .74rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted-2); margin: 0 0 5px; font-weight: 600; }
.card-title { font-size: 1.02rem; margin: 0 0 7px; }
.card-title a { color: var(--ink); }
.card-desc { font-size: .875rem; color: var(--muted); margin: 0 0 11px; flex: 1; }
.card-facts { list-style: none; margin: 0 0 12px; padding: 0; display: flex; flex-wrap: wrap; gap: 5px 12px; font-size: .76rem; color: var(--muted); }
.card-facts li { position: relative; padding-left: 10px; }
.card-facts li::before { content: "•"; position: absolute; left: 0; color: var(--brand); }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 11px; border-top: 1px solid var(--line-2); font-size: .82rem; }

/* ---------- category cards ---------- */
.category-card { padding: 22px; gap: 4px; text-decoration: none; color: inherit; }
.category-card:hover { text-decoration: none; }
.category-card h3 { margin: 12px 0 6px; font-size: 1.06rem; }
.category-card p { font-size: .86rem; color: var(--muted); flex: 1; }
.category-icon { width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center; background: color-mix(in srgb, var(--cat) 12%, #fff); border: 1px solid color-mix(in srgb, var(--cat) 26%, #fff); }
.category-count { font-size: .78rem; font-weight: 600; color: var(--cat, var(--brand)); }
.cat-block { padding: 30px 0; border-bottom: 1px solid var(--line); }
.cat-block:last-child { border-bottom: 0; }
.cat-block-head { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 22px; }
.cat-block-head > div { flex: 1; }
.cat-block-head h2 { margin: 2px 0 6px; }
.cat-block-head p { color: var(--muted); font-size: .9rem; margin: 0; max-width: 78ch; }

/* ---------- manufacturer ---------- */
.mfr-card { padding: 20px; }
.mfr-head { display: flex; gap: 13px; align-items: center; margin-bottom: 12px; }
.mfr-head h3 { margin: 0; font-size: 1.04rem; }
.mfr-head p { margin: 0; font-size: .8rem; }
.mfr-avatar { width: 44px; height: 44px; flex: 0 0 44px; border-radius: 12px; display: grid; place-items: center; font-weight: 700; font-size: 1.15rem; color: #fff; background: linear-gradient(135deg, var(--brand-2), var(--brand-ink)); }
.mfr-avatar-lg { width: 76px; height: 76px; flex: 0 0 76px; border-radius: 20px; font-size: 2rem; }
.mfr-hero { display: flex; gap: 20px; align-items: flex-start; }
.mfr-zh { color: var(--muted); font-size: .95rem; margin: -2px 0 8px; }
.mfr-inline { display: flex; gap: 16px; align-items: flex-start; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.mfr-inline h3 { margin: 0 0 3px; }
.mfr-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

/* ---------- sidebar layout & filters ---------- */
.layout-sidebar { display: grid; grid-template-columns: 268px 1fr; gap: 28px; align-items: start; }
.filters { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; position: sticky; top: 84px; }
.filter-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.filter-head h2 { font-size: 1rem; margin: 0; }
.filter-search { display: flex; gap: 8px; margin-bottom: 14px; }
.filter-search input { flex: 1; min-width: 0; padding: 8px 11px; border: 1px solid var(--line); border-radius: 8px; font: inherit; font-size: .87rem; }
.filter-block { border-top: 1px solid var(--line-2); padding: 12px 0 6px; }
.filter-block summary { cursor: pointer; font-weight: 600; font-size: .88rem; padding: 4px 0; }
.filter-list { list-style: none; margin: 8px 0 4px; padding: 0; max-height: 260px; overflow: auto; }
.filter-list a { display: flex; justify-content: space-between; gap: 8px; padding: 6px 8px; border-radius: 7px; font-size: .855rem; color: var(--ink-2); }
.filter-list a:hover { background: var(--line-2); text-decoration: none; }
.filter-list a.is-on { background: #eef2ff; color: var(--brand); font-weight: 600; }
.filter-list em { font-style: normal; color: var(--muted-2); font-size: .78rem; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.chip { display: inline-flex; align-items: center; gap: 6px; background: #eef2ff; color: var(--brand); border-radius: 999px; padding: 4px 11px; font-size: .8rem; font-weight: 600; }
.chip:hover { background: #e0e7ff; text-decoration: none; }
.chip-link { display: inline-block; background: var(--line-2); border-radius: 999px; padding: 4px 11px; font-size: .79rem; color: var(--ink-2); }
.results { min-width: 0; }
.results-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.results-bar p { margin: 0; color: var(--muted); font-size: .9rem; }
.sort-form label { font-size: .85rem; color: var(--muted); display: inline-flex; align-items: center; gap: 7px; }
.sort-form select { padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; font: inherit; font-size: .85rem; background: #fff; }
.pagination { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 34px; }
.page-link { padding: 8px 13px; border: 1px solid var(--line); border-radius: 9px; background: #fff; font-size: .87rem; color: var(--ink-2); }
.page-link:hover { border-color: var(--brand); text-decoration: none; }
.page-link.is-current { background: var(--brand); color: #fff; border-color: var(--brand); font-weight: 600; }
.page-gap { padding: 8px 4px; color: var(--muted-2); }
.empty-state { text-align: center; padding: 70px 20px; }

/* ---------- product detail ---------- */
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: .82rem; color: var(--muted); padding: 16px 0 0; }
.breadcrumbs a { color: var(--muted); }
.detail-grid { display: grid; grid-template-columns: 1fr 316px; gap: 34px; align-items: start; padding: 22px 0 64px; }
.detail-header { margin-bottom: 18px; }
.detail-brand { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted-2); font-weight: 600; margin: 0 0 6px; }
.detail-tagline { font-size: 1.06rem; color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.badge { display: inline-block; font-size: .74rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: var(--line-2); color: var(--ink-2); border: 1px solid var(--line); }
.badge-ok { background: #ecfdf5; color: var(--ok); border-color: #a7f3d0; }
.badge-warn { background: #fffbeb; color: var(--warn); border-color: #fde68a; }
.badge-video { background: #eef2ff; color: var(--brand); border-color: #c7d2fe; }
.badge-ghost { background: #fff; color: var(--muted); }
.detail-media { margin: 0 0 30px; }
.detail-media img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); background: #0b1220; }
.detail-media figcaption { font-size: .78rem; color: var(--muted-2); margin-top: 8px; }
.thumbs { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.thumbs button { padding: 0; border: 2px solid transparent; border-radius: 9px; overflow: hidden; cursor: pointer; background: none; width: 74px; height: 56px; }
.thumbs button.is-on { border-color: var(--brand); }
.thumbs img { width: 100%; height: 100%; object-fit: cover; }
.detail-block { margin-bottom: 38px; scroll-margin-top: 90px; }
.detail-block h2 { padding-bottom: 10px; border-bottom: 2px solid var(--line); }
.highlight-list { list-style: none; padding: 0; display: grid; gap: 9px; }
.highlight-list li { position: relative; padding-left: 26px; }
.highlight-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--ok); font-weight: 700; }
.application-list { list-style: none; padding: 0; display: grid; gap: 10px; margin-bottom: 16px; }
.application-list li { display: flex; gap: 12px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 15px; }
.app-num { flex: 0 0 24px; height: 24px; border-radius: 7px; background: #eef2ff; color: var(--brand); display: grid; place-items: center; font-size: .78rem; font-weight: 700; }
.spec-group { margin-bottom: 22px; }
.spec-group-title { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted-2); margin-bottom: 8px; }
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.spec-table tr + tr { border-top: 1px solid var(--line-2); }
.spec-table th { text-align: left; font-weight: 500; color: var(--muted); padding: 10px 16px; width: 46%; font-size: .875rem; vertical-align: top; }
.spec-table td { padding: 10px 16px; font-weight: 600; font-size: .89rem; }
.spec-table tr:nth-child(even) { background: #fbfcfe; }
.video-figure { margin: 0; }
.video-frame { position: relative; aspect-ratio: 16 / 9; background: #0b1220; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-figure figcaption { font-size: .82rem; color: var(--muted); margin-top: 9px; }
.video-empty, .video-linkout { background: #fff; border: 1px dashed var(--line); border-radius: var(--radius); padding: 22px; }
.video-empty p { margin-bottom: 8px; }
.doc-list, .source-list { padding-left: 20px; }
.source-list li { margin-bottom: 7px; font-size: .88rem; }
.src-url { color: var(--muted-2); font-size: .8rem; display: block; word-break: break-all; }
.source-list.compact { font-size: .85rem; }
.share-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding-top: 22px; border-top: 1px solid var(--line); }
.share-label { font-size: .84rem; font-weight: 600; color: var(--muted); margin-right: 4px; }
.share-btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: #fff; border-radius: 9px; padding: 7px 12px; font-size: .82rem; color: var(--ink-2); font-weight: 500; cursor: pointer; }
.share-btn:hover { border-color: var(--brand); color: var(--brand); text-decoration: none; }
.detail-side .side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.sticky { position: sticky; top: 84px; }
.side-title { font-size: .95rem; margin: 0 0 6px; }
.side-card .btn { margin-bottom: 9px; }
.facts { margin: 16px 0; display: grid; gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); border-radius: var(--radius-sm); overflow: hidden; }
.facts > div { display: flex; justify-content: space-between; gap: 12px; background: #fff; padding: 9px 12px; font-size: .84rem; }
.facts dt { color: var(--muted); margin: 0; }
.facts dd { margin: 0; font-weight: 600; text-align: right; }
.side-note { font-size: .82rem; color: var(--muted); margin: 8px 0 0; display: flex; align-items: center; gap: 6px; }
.contact-list { list-style: none; padding: 0; margin: 0 0 18px; }
.contact-list li { padding: 9px 0; border-bottom: 1px solid var(--line-2); font-size: .87rem; display: flex; flex-direction: column; gap: 2px; }
.contact-list li span { color: var(--muted-2); font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; }
.check-list { padding-left: 18px; font-size: .87rem; color: var(--muted); }

/* ---------- forms ---------- */
.inquiry-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.inquiry-form label { display: flex; flex-direction: column; gap: 6px; font-size: .85rem; font-weight: 600; color: var(--ink-2); }
.inquiry-form label.full { margin-top: 15px; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea {
  font: inherit; font-size: .92rem; font-weight: 400; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; color: var(--ink); width: 100%;
}
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { outline: 2px solid rgba(37, 99, 235, .3); outline-offset: -1px; border-color: var(--brand-2); }
.req { color: var(--err); }
.check { flex-direction: row !important; align-items: center; gap: 9px !important; margin: 15px 0; font-weight: 400 !important; }
.check input { width: auto; }
.inquiry-form .btn-lg { width: 100%; }
.form-note { font-size: .78rem; color: var(--muted-2); margin: 10px 0 0; }
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.alert { border-radius: var(--radius-sm); padding: 14px 16px; margin-bottom: 18px; font-size: .9rem; }
.alert-ok { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; }
.alert-err { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }

/* ---------- steps / cta / prose ---------- */
.steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; }
.steps li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.steps span { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: #eef2ff; color: var(--brand); font-weight: 700; margin-bottom: 12px; }
.steps h3 { margin-bottom: 6px; }
.steps p { font-size: .875rem; color: var(--muted); margin: 0; }
.cta-band { background: linear-gradient(135deg, #0b1220, #16294d); color: #fff; border-radius: 18px; padding: 38px 40px; display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 6px; }
.cta-band p { color: rgba(255, 255, 255, .8); margin: 0; max-width: 62ch; }
.cta-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cta-band .btn-secondary { background: rgba(255, 255, 255, .1); color: #fff; border-color: rgba(255, 255, 255, .3); }
.prose { max-width: 78ch; }
.prose h2 { margin-top: 34px; }
.prose ul li { margin-bottom: 7px; }

/* ---------- datasheet ---------- */
body.datasheet { background: #fff; }
.datasheet-sheet { max-width: 860px; padding: 40px 20px 70px; }
.ds-head { display: flex; justify-content: space-between; gap: 24px; border-bottom: 3px solid var(--ink); padding-bottom: 16px; margin-bottom: 22px; }
.ds-sub { color: var(--muted); margin: 0; }
.ds-meta { text-align: right; font-size: .82rem; color: var(--muted); }
.ds-foot { margin-top: 34px; padding-top: 14px; border-top: 1px solid var(--line); font-size: .78rem; color: var(--muted-2); }

/* ---------- footer ---------- */
.site-footer { background: #0b1220; color: rgba(255, 255, 255, .78); margin-top: 40px; padding: 52px 0 26px; }
.site-footer a { color: rgba(255, 255, 255, .82); }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 32px; }
.footer-brand p { font-size: .86rem; margin: 14px 0; }
.footer-col h4 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .09em; margin-bottom: 13px; }
.footer-col a, .footer-col .footer-text { display: block; font-size: .86rem; margin-bottom: 8px; color: rgba(255, 255, 255, .75); }
.footer-cta { color: #93c5fd !important; font-weight: 600; margin-top: 8px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { font-size: .82rem; text-transform: capitalize; }
.footer-bottom { margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: .78rem; color: rgba(255, 255, 255, .6); }
.footer-note { max-width: 96ch; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .header-search { flex: 1 1 220px; }
  .layout-sidebar { grid-template-columns: 1fr; }
  .filters { position: static; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-side .sticky { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; padding: 48px 20px 56px; }
  .nav { display: none; }
  .nav.is-open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 12px 20px; box-shadow: var(--shadow); }
  .nav-toggle { display: block; order: 3; }
  .header-cta { display: none; }
  .header-search { order: 4; flex: 1 1 100%; margin-bottom: 10px; }
  .header-inner { flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
  .form-grid { grid-template-columns: 1fr; }
  .mfr-hero { flex-direction: column; }
  .ds-head { flex-direction: column; }
  .ds-meta { text-align: left; }
  .cta-band { padding: 28px 24px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .stat strong { font-size: 1.6rem; }
  .section { padding: 44px 0; }
}
@media print {
  .site-header, .site-footer, .detail-side, .share-row, .cta-band, .thumbs { display: none !important; }
  body { background: #fff; }
  .detail-grid { grid-template-columns: 1fr; }
}

/* Long enumerated spec values render as a compact list */
.spec-list { margin: 0; padding-left: 16px; font-weight: 400; }
.spec-list li { margin: 1px 0; }

/* ================= Agency positioning components ================= */

/* hero: trust strip + actions */
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.trust-strip {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px; background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .14); border-radius: 12px; overflow: hidden;
  margin-bottom: 40px;
}
.trust-item { background: rgba(11, 18, 32, .55); padding: 12px 16px; }
.trust-item span { display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .09em; color: rgba(255, 255, 255, .6); }
.trust-item strong { color: #fff; font-size: .87rem; font-weight: 600; }

/* service cards */
.service-card { padding: 22px; text-decoration: none; color: inherit; }
.service-card:hover { text-decoration: none; }
.service-card h3 { margin: 12px 0 8px; font-size: 1.03rem; }
.service-card p { font-size: .87rem; color: var(--muted); flex: 1; }
.service-icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: #eef2ff; border: 1px solid #dbe4ff;
}
.service-icon-lg { width: 54px; height: 54px; flex: 0 0 54px; border-radius: 14px; }
.service-turnaround { font-size: .75rem; font-weight: 600; color: var(--brand); }

/* service detail blocks */
.service-block {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; margin-bottom: 18px; scroll-margin-top: 90px;
}
.service-block > header { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 16px; }
.service-block > header h2 { margin: 2px 0 2px; font-size: 1.2rem; }
.service-block > header > div { flex: 1; }
.service-zh { font-size: .84rem; margin: 0; }
.service-body p { color: var(--ink-2); }
.service-deliverable { font-size: .85rem; }
.service-body .highlight-list { margin-bottom: 14px; }

/* product page supply block */
.supply-list { list-style: none; padding: 14px 0 0; margin: 0; border-top: 1px solid var(--line-2); }
.supply-list li { position: relative; padding-left: 20px; font-size: .83rem; color: var(--muted); margin-bottom: 6px; }
.supply-list li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.supply-grid { margin: 18px 0; }
.supply-step { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 18px; }
.supply-step span {
  display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px;
  background: #eef2ff; color: var(--brand); font-weight: 700; font-size: .8rem; margin-bottom: 10px;
}
.supply-step h3 { font-size: .95rem; margin-bottom: 5px; }
.supply-step p { font-size: .84rem; color: var(--muted); margin: 0; }

/* commercial terms cards */
.fact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.fact-card h3 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted-2); margin-bottom: 6px; }
.fact-card p { margin: 0; font-weight: 600; font-size: .92rem; }

/* step list variant for 5 steps */
.steps-5 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* RFQ form sections */
.inquiry-form fieldset.form-section {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin: 0 0 18px;
}
.inquiry-form fieldset.form-section legend {
  font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em;
  color: var(--brand); padding: 0 8px;
}
.inquiry-form fieldset.form-section label.full { grid-column: 1 / -1; }
.check-list.ordered { list-style: decimal; padding-left: 20px; }
.check-list.ordered li { margin-bottom: 5px; }

@media (max-width: 720px) {
  .service-block > header { flex-wrap: wrap; }
  .trust-strip { margin-bottom: 28px; }
}

/* advanced filter form */
.filter-advanced { display: grid; gap: 9px; margin-top: 10px; }
.filter-advanced label { display: flex; flex-direction: column; gap: 4px; font-size: .78rem; font-weight: 600; color: var(--muted); }
.filter-advanced input { font-size: .84rem; padding: 7px 9px; }
.range-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.filter-advanced .hint { font-size: .72rem; color: var(--muted-2); margin: 2px 0 0; font-weight: 400; }