/* ==========================================================================
   杭州沃能汽车传感技术有限公司 — Wonen Automotive Sensor
   Design system · industrial-tech
   ========================================================================== */

/* ---------- tokens ---------- */
:root {
  --c-ink: #0b141f;
  --c-navy: #0f1e33;
  --c-navy-2: #16293f;
  --c-blue: #1668dc;
  --c-blue-600: #0f57bd;
  --c-blue-700: #0b4494;
  --c-blue-050: #eaf1fd;
  --c-blue-100: #d5e4fb;
  --c-cyan: #10a5bd;
  --c-amber: #ef9820;
  --c-red: #d93a3a;
  --c-green: #17a25c;

  --c-text: #1b2735;
  --c-muted: #5e6d7e;
  --c-faint: #8b98a7;
  --c-line: #e3e9f0;
  --c-line-2: #cfd9e4;
  --c-bg: #ffffff;
  --c-soft: #f5f8fb;
  --c-soft-2: #eef3f8;

  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-pill: 999px;

  --sh-1: 0 1px 2px rgba(16, 33, 55, .05);
  --sh-2: 0 4px 16px rgba(16, 33, 55, .07);
  --sh-3: 0 14px 40px rgba(16, 33, 55, .12);
  --sh-4: 0 26px 70px rgba(11, 20, 31, .26);

  --f-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC",
            "Hiragino Sans GB", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --f-mono: ui-monospace, "JetBrains Mono", "Cascadia Mono", "SF Mono", Consolas, "Liberation Mono", monospace;

  --wrap: 1240px;
  --nav-h: 68px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 18px); }
body {
  margin: 0;
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.25; letter-spacing: -.015em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
table { border-collapse: collapse; width: 100%; }
hr { border: 0; border-top: 1px solid var(--c-line); margin: 0; }
::selection { background: var(--c-blue); color: #fff; }

/* ---------- language visibility ---------- */
[data-lang="zh"] .i18n-zh { display: revert; }
[data-lang="zh"] .i18n-en { display: none !important; }
[data-lang="en"] .i18n-zh { display: none !important; }
[data-lang="en"] .i18n-en { display: revert; }
html[data-lang="en"] body { font-family: var(--f-sans); }
html[data-lang="en"] .zh-only { display: none !important; }
html[data-lang="zh"] .en-only { display: none !important; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 26px; }
.section { padding: 92px 0; }
.section--tight { padding: 62px 0; }
.section--soft { background: var(--c-soft); }
.section--navy { background: var(--c-navy); color: #dce6f2; }
.section--navy h2, .section--navy h3 { color: #fff; }
.section--ink { background: var(--c-ink); color: #d7e2ee; }
.section--ink h2, .section--ink h3 { color: #fff; }
.mt0 { margin-top: 0; } .mb0 { margin-bottom: 0; }

.grid { display: grid; gap: 24px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-auto { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }

.flex { display: flex; }
.between { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.center { display: flex; align-items: center; justify-content: center; }
.gap8 { gap: 8px; } .gap12 { gap: 12px; } .gap16 { gap: 16px; } .gap24 { gap: 24px; }
.wrapx { flex-wrap: wrap; }
.items-center { align-items: center; }
.col { flex-direction: column; }

/* ---------- section heading ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--c-blue); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--c-blue); border-radius: 2px; }
.section--navy .eyebrow, .section--ink .eyebrow { color: #6fb0ff; }
.section--navy .eyebrow::before, .section--ink .eyebrow::before { background: #6fb0ff; }

.h-sec { font-size: clamp(26px, 3.1vw, 38px); letter-spacing: -.02em; }
.h-sub { font-size: 16.5px; line-height: 1.8; }
.sub { color: var(--c-muted); font-size: 16.5px; line-height: 1.85; }
.lead { font-size: 18px; line-height: 1.8; color: var(--c-text); }
.sec-head { max-width: 760px; margin-bottom: 44px; }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head--center .eyebrow { justify-content: center; }
.sec-head--center .eyebrow::before { width: 22px; }
.muted { color: var(--c-muted); }
.faint { color: var(--c-faint); }
.mono { font-family: var(--f-mono); font-variant-ligatures: none; }
.nowrap { white-space: nowrap; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 46px; padding: 0 24px; border: 1px solid transparent; border-radius: var(--r-sm);
  font-size: 15px; font-weight: 600; cursor: pointer; white-space: nowrap;
  transition: transform .18s var(--ease), background .18s, border-color .18s, color .18s, box-shadow .18s;
  background: var(--c-blue); color: #fff; box-shadow: 0 2px 0 rgba(0,0,0,.03);
}
.btn:hover { background: var(--c-blue-600); transform: translateY(-1px); box-shadow: var(--sh-2); }
.btn:active { transform: translateY(0); }
.btn--ghost { background: transparent; color: var(--c-text); border-color: var(--c-line-2); }
.btn--ghost:hover { background: var(--c-soft); border-color: var(--c-line-2); color: var(--c-text); box-shadow: none; }
.btn--on-dark { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.34); }
.btn--on-dark:hover { background: rgba(255,255,255,.19); color: #fff; }
.btn--amber { background: var(--c-amber); }
.btn--amber:hover { background: #d98613; }
.btn--sm { height: 36px; padding: 0 14px; font-size: 13.5px; border-radius: var(--r-xs); }
.btn--lg { height: 54px; padding: 0 32px; font-size: 16.5px; }
.btn--block { width: 100%; }
.btn svg { flex: none; }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: 2px solid var(--c-blue); outline-offset: 2px;
}
.link { color: var(--c-blue); font-weight: 600; border-bottom: 1px solid transparent; transition: border-color .18s; }
.link:hover { border-color: currentColor; }

/* ---------- chips / tags / badges ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 14px;
  border: 1px solid var(--c-line-2); border-radius: var(--r-pill); background: #fff;
  font-size: 13.5px; font-weight: 500; color: var(--c-muted); cursor: pointer;
  transition: all .16s var(--ease); white-space: nowrap; user-select: none;
}
.chip:hover { border-color: var(--c-blue); color: var(--c-blue); }
.chip[aria-pressed="true"], .chip.is-on {
  background: var(--c-navy); border-color: var(--c-navy); color: #fff; font-weight: 600;
}
.chip .n { font-family: var(--f-mono); font-size: 11.5px; opacity: .72; }
.tag {
  display: inline-flex; align-items: center; height: 23px; padding: 0 9px; border-radius: var(--r-xs);
  background: var(--c-blue-050); color: var(--c-blue-700); font-size: 12px; font-weight: 600; letter-spacing: .01em;
}
.tag--gray { background: var(--c-soft-2); color: var(--c-muted); }
.tag--amber { background: #fdf1de; color: #a4650a; }
.tag--green { background: #e4f6ec; color: #0d7a44; }
.tag--navy { background: var(--c-navy); color: #fff; }
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--c-green); display: inline-block; }

/* ---------- cards ---------- */
.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md);
  padding: 28px; transition: box-shadow .22s var(--ease), transform .22s var(--ease), border-color .22s;
}
.card--hover:hover { transform: translateY(-3px); box-shadow: var(--sh-3); border-color: var(--c-blue-100); }
.card--flat { border-radius: var(--r-md); background: var(--c-soft); border-color: transparent; }
.card--pad0 { padding: 0; overflow: hidden; }
.card__icon {
  width: 48px; height: 48px; border-radius: var(--r-sm); display: grid; place-items: center;
  background: var(--c-blue-050); color: var(--c-blue); margin-bottom: 18px;
}
.card__icon svg { width: 25px; height: 25px; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 15px; color: var(--c-muted); margin: 0; }
.card__num { font-family: var(--f-mono); font-size: 13px; color: var(--c-faint); letter-spacing: .06em; }

/* ---------- stat band ---------- */
.stat { display: flex; flex-direction: column; gap: 3px; }
.stat__v {
  font-size: clamp(30px, 4vw, 46px); font-weight: 800; line-height: 1; letter-spacing: -.03em;
  color: var(--c-navy); font-variant-numeric: tabular-nums;
}
.stat__v .u { font-size: .48em; font-weight: 700; margin-left: 3px; color: var(--c-blue); }
.section--navy .stat__v, .section--ink .stat__v { color: #fff; }
.section--navy .stat__v .u, .section--ink .stat__v .u { color: #78b6ff; }
.stat__l { font-size: 13.5px; color: var(--c-muted); letter-spacing: .02em; }
.section--navy .stat__l, .section--ink .stat__l { color: #93a9c2; }

/* ---------- site header ---------- */
.hdr {
  position: sticky; top: 0; z-index: 90; background: rgba(255,255,255,.94);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .22s, box-shadow .22s, background .22s;
}
.hdr.is-stuck { border-color: var(--c-line); box-shadow: var(--sh-1); }
.hdr__in { height: var(--nav-h); display: flex; align-items: center; gap: 26px; }
.logo { display: flex; align-items: center; gap: 11px; flex: none; }
.logo img { height: 30px; width: auto; }
.logo__txt { display: flex; flex-direction: column; line-height: 1.15; }
.logo__zh { font-size: 14.5px; font-weight: 700; color: var(--c-navy); letter-spacing: -.01em; }
.logo__en { font-size: 10px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--c-faint); }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  position: relative; padding: 9px 14px; border-radius: var(--r-xs); font-size: 15px; font-weight: 500;
  color: var(--c-muted); transition: color .16s, background .16s;
}
.nav a:hover { color: var(--c-navy); background: var(--c-soft); }
.nav a.is-active { color: var(--c-blue); font-weight: 600; }
.nav a.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 2px;
  background: var(--c-blue); border-radius: 2px;
}
.hdr__right { display: flex; align-items: center; gap: 12px; flex: none; }
.langsw {
  display: inline-flex; align-items: center; border: 1px solid var(--c-line-2); border-radius: var(--r-pill);
  overflow: hidden; height: 34px; background: #fff;
}
.langsw button {
  border: 0; background: transparent; height: 100%; padding: 0 13px; font-size: 12.5px; font-weight: 700;
  color: var(--c-faint); cursor: pointer; letter-spacing: .04em; transition: all .16s;
}
.langsw button.is-on { background: var(--c-navy); color: #fff; }
.burger {
  display: none; width: 42px; height: 42px; border: 1px solid var(--c-line-2); border-radius: var(--r-sm);
  background: #fff; cursor: pointer; padding: 0; place-items: center;
}
.burger i { display: block; width: 18px; height: 2px; background: var(--c-navy); margin: 3px auto; transition: transform .2s, opacity .2s; }
.burger.is-open i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger.is-open i:nth-child(2) { opacity: 0; }
.burger.is-open i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
.mobnav { display: none; border-top: 1px solid var(--c-line); background: #fff; }
.mobnav.is-open { display: block; }
.mobnav a { display: block; padding: 13px 26px; font-size: 15.5px; border-bottom: 1px solid var(--c-soft); color: var(--c-navy); }
.mobnav a.is-active { color: var(--c-blue); font-weight: 600; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden; background: var(--c-ink); color: #fff;
  padding: clamp(64px, 9vw, 118px) 0 clamp(58px, 8vw, 104px);
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .3; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(11,20,31,.97) 0%, rgba(12,26,45,.92) 45%, rgba(13,31,54,.72) 72%, rgba(16,42,72,.5) 100%);
}
.hero__grid {
  position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(rgba(120,160,210,.09) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(120,160,210,.09) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 90% at 15% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(120% 90% at 15% 40%, #000 20%, transparent 75%);
}
.hero__in { position: relative; z-index: 2; max-width: 720px; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 8px; border-radius: var(--r-pill);
  background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.17);
  font-size: 12.5px; font-weight: 600; letter-spacing: .04em; color: #cfe1f7; margin-bottom: 24px;
}
.hero__eyebrow b { display: inline-grid; place-items: center; height: 20px; padding: 0 7px; border-radius: var(--r-xs); background: var(--c-blue); color: #fff; font-size: 11px; }
.hero h1 {
  font-size: clamp(31px, 5.1vw, 58px); line-height: 1.14; letter-spacing: -.03em; margin-bottom: 22px; color: #fff;
}
.hero h1 em { font-style: normal; color: #6fb4ff; }
.hero__p { font-size: clamp(15.5px, 1.55vw, 18.5px); line-height: 1.8; color: #b9c9dc; max-width: 620px; margin-bottom: 34px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__stats {
  position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px;
  margin-top: clamp(44px, 6vw, 72px); border-top: 1px solid rgba(255,255,255,.14); padding-top: 30px;
}
.hero__stats .stat__l { color: #93a9c2; }
.hero__stats .stat__v { color: #fff; }

/* page head (inner pages) */
.phead { position: relative; background: var(--c-navy); color: #fff; padding: 52px 0 46px; overflow: hidden; }
.phead::before {
  content: ""; position: absolute; right: -140px; top: -160px; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(46,124,222,.42), transparent 62%);
}
.phead__grid {
  position: absolute; inset: 0; opacity: .45;
  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: 52px 52px;
}
.phead .wrap { position: relative; z-index: 2; }
.phead h1 { font-size: clamp(27px, 3.6vw, 40px); letter-spacing: -.025em; margin-bottom: 12px; }
.phead p { color: #a8bdd4; font-size: 16.5px; max-width: 720px; margin: 0; }
.crumbs { display: flex; align-items: center; gap: 9px; font-size: 13px; color: #8aa2bd; margin-bottom: 20px; }
.crumbs a:hover { color: #fff; }
.crumbs span { opacity: .5; }

/* ---------- media / gallery ---------- */
.media { position: relative; overflow: hidden; border-radius: var(--r-md); background: var(--c-soft-2); }
.media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.media--43 { aspect-ratio: 4/3; } .media--32 { aspect-ratio: 3/2; } .media--11 { aspect-ratio: 1/1; }
.media--169 { aspect-ratio: 16/9; } .media--54 { aspect-ratio: 5/4; }
.gal-item:hover img { transform: scale(1.05); }
.gal-item figcaption {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; font-size: 13.5px; color: var(--c-muted); background: #fff;
  border: 1px solid var(--c-line); border-top: 0; border-radius: 0 0 var(--r-md) var(--r-md);
}
.gal-item figcaption b { color: var(--c-text); font-weight: 600; }
.gal-item .media { border-radius: var(--r-md) var(--r-md) 0 0; }
.gal-item { border-radius: var(--r-md); }
.kb { position: absolute; left: 0; right: 0; bottom: 0; padding: 58px 18px 16px; color: #fff; font-size: 14.5px; font-weight: 600; text-shadow: 0 1px 3px rgba(6,12,20,.75);
      background: linear-gradient(transparent, rgba(6,12,20,.34) 38%, rgba(6,12,20,.88)); }

/* ---------- tables ---------- */
.tbl { font-size: 15px; border: 1px solid var(--c-line); border-radius: var(--r-md); overflow: hidden; }
.tbl table { width: 100%; }
.tbl th, .tbl td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--c-line); vertical-align: top; }
.tbl thead th { background: var(--c-navy); color: #fff; font-size: 13.5px; font-weight: 600; letter-spacing: .03em; border-bottom: 0; }
.tbl tbody tr:nth-child(even) { background: var(--c-soft); }
.tbl tbody tr:last-child th, .tbl tbody tr:last-child td { border-bottom: 0; }
.tbl tbody th { font-weight: 600; color: var(--c-navy); }
.tbl td.num, .tbl th.num { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.spec th { width: 46%; background: var(--c-soft); font-weight: 600; color: var(--c-navy); text-align: left; }
.spec td.mono { white-space: nowrap; }
.spec--striped tbody tr:nth-child(even) { background: #fff; }
.spec--striped tbody tr:nth-child(odd) { background: var(--c-soft); }

/* ---------- feature list ---------- */
.flist { display: flex; flex-direction: column; gap: 13px; }
.flist li { display: flex; gap: 12px; align-items: flex-start; font-size: 15.5px; color: var(--c-muted); line-height: 1.65; }
.flist li::before {
  content: ""; flex: none; width: 18px; height: 18px; margin-top: 4px; border-radius: 50%;
  background: var(--c-blue-050) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231668dc' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat;
}
.flist--plain li::before { display: none; }
.dlist li { display: flex; gap: 10px; font-size: 15px; color: var(--c-muted); }
.dlist li::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--c-blue); margin-top: 10px; }

/* ---------- numbered steps ---------- */
.steps { counter-reset: s; display: grid; gap: 18px; }
.steps li { counter-increment: s; position: relative; padding-left: 52px; }
.steps li::before {
  content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: 0;
  font-family: var(--f-mono); font-size: 14px; font-weight: 700; color: var(--c-blue);
  width: 36px; height: 36px; border-radius: var(--r-sm); background: var(--c-blue-050);
  display: grid; place-items: center;
}
.steps h4 { font-size: 16.5px; margin-bottom: 5px; }
.steps p { font-size: 14.5px; color: var(--c-muted); margin: 0; }

/* ---------- tabs ---------- */
.tabs__btns { display: flex; gap: 8px; flex-wrap: wrap; border-bottom: 1px solid var(--c-line); margin-bottom: 34px; }
.tabs__btns button {
  border: 0; background: transparent; padding: 12px 4px; margin-right: 18px; font-size: 15.5px; font-weight: 600;
  color: var(--c-muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all .18s;
}
.tabs__btns button:hover { color: var(--c-navy); }
.tabs__btns button.is-on { color: var(--c-blue); border-bottom-color: var(--c-blue); }
.tabs__panel { display: none; }
.tabs__panel.is-on { display: block; animation: fade .3s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- accordion ---------- */
.acc { border: 1px solid var(--c-line); border-radius: var(--r-md); overflow: hidden; background: #fff; }
.acc + .acc { margin-top: 12px; }
.acc__btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 19px 22px; background: #fff; border: 0; cursor: pointer; text-align: left;
  font-size: 16.5px; font-weight: 600; color: var(--c-navy); transition: background .16s;
}
.acc__btn:hover { background: var(--c-soft); }
.acc__btn i {
  flex: none; width: 22px; height: 22px; position: relative; transition: transform .25s var(--ease);
}
.acc__btn i::before, .acc__btn i::after {
  content: ""; position: absolute; left: 50%; top: 50%; background: var(--c-blue); border-radius: 2px; transform: translate(-50%,-50%);
}
.acc__btn i::before { width: 13px; height: 2px; }
.acc__btn i::after { width: 2px; height: 13px; transition: opacity .2s; }
.acc.is-open .acc__btn i { transform: rotate(180deg); }
.acc.is-open .acc__btn i::after { opacity: 0; }
.acc__body { display: none; padding: 0 22px 22px; font-size: 15.5px; color: var(--c-muted); line-height: 1.85; }
.acc.is-open .acc__body { display: block; }

/* ---------- catalog ---------- */
.cat { display: grid; grid-template-columns: 292px 1fr; gap: 34px; align-items: start; }
.filters { position: sticky; top: calc(var(--nav-h) + 20px); max-height: calc(100vh - var(--nav-h) - 40px); overflow: auto; padding-right: 6px; }
.filters::-webkit-scrollbar { width: 7px; }
.filters::-webkit-scrollbar-thumb { background: var(--c-line-2); border-radius: 4px; }
.fgroup { padding: 18px 0; border-bottom: 1px solid var(--c-line); }
.fgroup:first-child { padding-top: 0; }
.fgroup__t {
  display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--c-faint); margin-bottom: 13px;
}
.fchips { display: flex; flex-wrap: wrap; gap: 7px; }
.fchips .chip { height: 30px; padding: 0 11px; font-size: 12.5px; }

/* 深色区块里的表单控件必须显式给色，否则会继承 section 的白字变成白底白字 */
.searchbar input { color: var(--c-text); }
.searchbar input::placeholder { color: var(--c-faint); opacity: 1; }
.searchbar .clearx { color: var(--c-faint); }
.searchbar .clearx:hover { color: var(--c-red); }
select.sel { color: var(--c-text); }
.section--navy input, .section--navy select, .section--navy textarea,
.section--ink input, .section--ink select, .section--ink textarea,
.hero input, .hero select, .hero textarea,
.ccard__head input, .ftr input { color: var(--c-text); }

.searchbar { position: relative; display: flex; gap: 10px; }
.searchbar input {
  flex: 1; height: 48px; padding: 0 44px 0 44px; border: 1px solid var(--c-line-2); border-radius: var(--r-sm);
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235e6d7e' stroke-width='2.1' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-3.6-3.6'/%3E%3C/svg%3E") 15px center/18px no-repeat;
  font-size: 15px; transition: border-color .18s, box-shadow .18s;
}
.searchbar input:focus { outline: 0; border-color: var(--c-blue); box-shadow: 0 0 0 3px rgba(22,104,220,.13); }
.searchbar input::placeholder { color: var(--c-faint); }
.searchbar .clearx {
  position: absolute; right: 54px; top: 50%; transform: translateY(-50%); border: 0; background: transparent;
  color: var(--c-faint); cursor: pointer; font-size: 18px; line-height: 1; padding: 4px; display: none;
}
.searchbar.has-val .clearx { display: block; }
select.sel {
  height: 48px; padding: 0 34px 0 14px; border: 1px solid var(--c-line-2); border-radius: var(--r-sm); background: #fff;
  font-size: 14.5px; cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235e6d7e' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 11px center; background-size: 15px;
}
select.sel:focus { outline: 0; border-color: var(--c-blue); }

.resbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin: 22px 0 16px; }
.resbar__c { font-size: 14px; color: var(--c-muted); }
.resbar__c b { color: var(--c-navy); font-family: var(--f-mono); font-size: 16px; }
.activef { display: flex; gap: 7px; flex-wrap: wrap; }
.activef .fx {
  display: inline-flex; align-items: center; gap: 6px; height: 27px; padding: 0 10px; border-radius: var(--r-xs);
  background: var(--c-soft-2); font-size: 12.5px; color: var(--c-navy); cursor: pointer; border: 0;
}
.activef .fx:hover { background: #e0e8f1; }

.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(232px, 1fr)); gap: 16px; }
.pcard {
  position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--r-md); overflow: hidden; cursor: pointer; text-align: left; padding: 0;
  transition: box-shadow .2s var(--ease), transform .2s var(--ease), border-color .2s;
}
.pcard:hover { transform: translateY(-3px); box-shadow: var(--sh-3); border-color: var(--c-blue-100); }
.pcard__img { aspect-ratio: 1/1; background: #fff; border-bottom: 1px solid var(--c-soft-2); position: relative; overflow: hidden; }
.pcard__img img { width: 100%; height: 100%; object-fit: contain; padding: 12px; }
.pcard__img .noimg {
  position: absolute; inset: 0; display: grid; place-items: center; gap: 6px; color: var(--c-faint);
  background: repeating-linear-gradient(45deg, #f7f9fb, #f7f9fb 9px, #f2f5f8 9px, #f2f5f8 18px); font-size: 12px;
}
.pcard__body { padding: 14px 15px 16px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.pcard__code { font-family: var(--f-mono); font-size: 16px; font-weight: 700; color: var(--c-navy); letter-spacing: -.01em; }
.pcard__brand { font-size: 12.5px; font-weight: 600; color: var(--c-blue); }
.pcard__fit {
  font-size: 13px; color: var(--c-muted); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; min-height: 39px;
}
.pcard__oe { font-family: var(--f-mono); font-size: 11.5px; color: var(--c-faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pcard__foot { display: flex; gap: 5px; flex-wrap: wrap; margin-top: auto; padding-top: 4px; }

.pager { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 34px; flex-wrap: wrap; }
.pager button {
  min-width: 38px; height: 38px; padding: 0 11px; border: 1px solid var(--c-line-2); background: #fff;
  border-radius: var(--r-xs); font-size: 14px; font-family: var(--f-mono); cursor: pointer; color: var(--c-muted); transition: all .16s;
}
.pager button:hover:not(:disabled) { border-color: var(--c-blue); color: var(--c-blue); }
.pager button.is-on { background: var(--c-navy); border-color: var(--c-navy); color: #fff; }
.pager button:disabled { opacity: .38; cursor: not-allowed; }
.pager .gap { color: var(--c-faint); padding: 0 3px; }

.empty { padding: 66px 24px; text-align: center; border: 1px dashed var(--c-line-2); border-radius: var(--r-md); background: var(--c-soft); }
.empty h4 { font-size: 18px; margin-bottom: 8px; }
.empty p { color: var(--c-muted); font-size: 15px; margin: 0 0 18px; }

/* table view */
.ptable { width: 100%; font-size: 14px; }
.ptable th { position: sticky; top: 0; background: var(--c-navy); color: #fff; text-align: left; padding: 11px 14px; font-weight: 600; font-size: 13px; z-index: 2; }
.ptable td { padding: 11px 14px; border-bottom: 1px solid var(--c-line); vertical-align: middle; }
.ptable tbody tr { cursor: pointer; transition: background .14s; }
.ptable tbody tr:hover { background: var(--c-blue-050); }
.ptable .c-code { font-family: var(--f-mono); font-weight: 700; color: var(--c-navy); white-space: nowrap; }
.ptable .c-oe { font-family: var(--f-mono); color: var(--c-muted); font-size: 12.5px; }
.tablewrap { border: 1px solid var(--c-line); border-radius: var(--r-md); overflow: auto; max-height: 78vh; background: #fff; }

/* brand index */
.brandidx { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.brandidx button {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 16px;
  border: 1px solid var(--c-line); border-radius: var(--r-sm); background: #fff; cursor: pointer; text-align: left;
  transition: all .18s var(--ease);
}
.brandidx button:hover { border-color: var(--c-blue); box-shadow: var(--sh-2); transform: translateY(-2px); }
.brandidx .bn { font-size: 15px; font-weight: 600; color: var(--c-navy); }
.brandidx .be { font-size: 11.5px; color: var(--c-faint); letter-spacing: .04em; text-transform: uppercase; }
.brandidx .bc { font-family: var(--f-mono); font-size: 13px; color: var(--c-blue); background: var(--c-blue-050); border-radius: var(--r-xs); padding: 2px 8px; }

/* ---------- modal ---------- */
.modal { position: fixed; inset: 0; z-index: 200; display: none; }
.modal.is-open { display: block; }
.modal__ov { position: absolute; inset: 0; background: rgba(9, 17, 28, .62); backdrop-filter: blur(2px); animation: fade .2s; }
.modal__box {
  position: relative; z-index: 2; margin: 4vh auto; width: min(940px, 92vw); max-height: 92vh; overflow: auto;
  background: #fff; border-radius: var(--r-lg); box-shadow: var(--sh-4); animation: pop .26s var(--ease);
}
@keyframes pop { from { opacity: 0; transform: translateY(16px) scale(.985); } to { opacity: 1; transform: none; } }
.modal__x {
  position: absolute; right: 14px; top: 14px; z-index: 4; width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--c-line); background: rgba(255,255,255,.94); cursor: pointer; color: var(--c-navy); font-size: 19px; line-height: 1;
}
.modal__x:hover { background: var(--c-soft); }
.detail { display: grid; grid-template-columns: 380px 1fr; }
.detail__img { background: #fff; border-right: 1px solid var(--c-line); display: grid; place-items: center; padding: 26px; min-height: 330px; }
.detail__img img { max-height: 380px; width: 100%; object-fit: contain; }
.detail__img .noimg { color: var(--c-faint); font-size: 13px; text-align: center; }
.detail__body { padding: 30px 32px 34px; }
.detail__body h3 { font-size: 25px; font-family: var(--f-mono); letter-spacing: -.02em; margin-bottom: 6px; }
.dl { display: grid; grid-template-columns: 118px 1fr; gap: 0; font-size: 14.5px; margin: 22px 0 0; border-top: 1px solid var(--c-line); }
.dl dt { padding: 12px 0; color: var(--c-faint); font-weight: 600; border-bottom: 1px solid var(--c-line); }
.dl dd { padding: 12px 0 12px 18px; margin: 0; border-bottom: 1px solid var(--c-line); color: var(--c-text); word-break: break-word; }
.dl dd.mono { font-size: 13.5px; line-height: 1.8; }
.oechips { display: flex; flex-wrap: wrap; gap: 6px; }
.oechips button {
  font-family: var(--f-mono); font-size: 12.5px; padding: 4px 9px; border-radius: var(--r-xs); cursor: pointer;
  border: 1px solid var(--c-line-2); background: var(--c-soft); color: var(--c-navy); transition: all .15s;
}
.oechips button:hover { background: var(--c-blue); color: #fff; border-color: var(--c-blue); }

/* ---------- forms ---------- */
.form { display: grid; gap: 18px; }
.field { display: grid; gap: 7px; }
.field > label { font-size: 13.5px; font-weight: 600; color: var(--c-navy); }
.field .req { color: var(--c-red); }
.field input, .field textarea, .field select {
  width: 100%; border: 1px solid var(--c-line-2); border-radius: var(--r-sm); background: #fff; padding: 12px 14px; font-size: 15px;
  transition: border-color .18s, box-shadow .18s;
}
.field textarea { min-height: 128px; resize: vertical; line-height: 1.7; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 0; border-color: var(--c-blue); box-shadow: 0 0 0 3px rgba(22,104,220,.13); }
.field .err { font-size: 12.5px; color: var(--c-red); display: none; }
.field.is-bad input, .field.is-bad textarea { border-color: var(--c-red); }
.field.is-bad .err { display: block; }
.note { font-size: 12.5px; color: var(--c-faint); }
.form-ok {
  display: none; padding: 20px 22px; border-radius: var(--r-md); background: #e7f6ee; border: 1px solid #bde5cd; color: #0f6b3d; font-size: 15px;
}
.form-ok.is-on { display: block; }

/* ---------- misc blocks ---------- */
.callout {
  border-left: 3px solid var(--c-blue); background: var(--c-blue-050); padding: 18px 22px; border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 15px; color: var(--c-navy); line-height: 1.8;
}
.callout--amber { border-color: var(--c-amber); background: #fdf5e7; }
.callout p:last-child { margin-bottom: 0; }
.quote {
  font-size: 22px; line-height: 1.6; letter-spacing: -.01em; color: var(--c-navy); font-weight: 600;
  padding-left: 24px; border-left: 3px solid var(--c-blue);
}
.divider { height: 1px; background: var(--c-line); }
.kv { display: flex; justify-content: space-between; gap: 18px; padding: 13px 0; border-bottom: 1px dashed var(--c-line); font-size: 15px; }
.kv:last-child { border-bottom: 0; }
.kv b { color: var(--c-navy); font-weight: 600; }
.kv span { color: var(--c-muted); text-align: right; }
.slab { padding: 30px; border-radius: var(--r-md); background: #fff; border: 1px solid var(--c-line); }
.section--navy .slab { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.14); }
.imgback { background: var(--c-soft); }
.ratiobox { position: relative; width: 100%; }
.pillrow { display: flex; gap: 8px; flex-wrap: wrap; }
.num-list { counter-reset: n; display: grid; gap: 10px; }
.num-list li { counter-increment: n; display: flex; gap: 12px; font-size: 15px; color: var(--c-muted); }
.num-list li::before {
  content: counter(n); flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--c-navy); color: #fff;
  font-size: 12px; font-weight: 700; display: grid; place-items: center; margin-top: 2px; font-family: var(--f-mono);
}
.svgfig { width: 100%; height: auto; background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md); }
.figcap { font-size: 13px; color: var(--c-faint); text-align: center; margin-top: 10px; }

/* ---------- footer ---------- */
.ftr { background: var(--c-ink); color: #90a3ba; padding: 68px 0 0; font-size: 14.5px; }
.ftr a:hover { color: #fff; }
.ftr__grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.25fr; gap: 40px; padding-bottom: 48px; }
.ftr h4 { color: #fff; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 18px; }
.ftr li { margin-bottom: 10px; }
.ftr__logo { display: flex; align-items: center; gap: 11px; margin-bottom: 18px; }
.ftr__logo img { height: 32px; }
.ftr__brand { color: #fff; font-size: 16px; font-weight: 700; }
.ftr__about { max-width: 380px; line-height: 1.85; margin-bottom: 22px; }
.ftr__contact li { display: flex; gap: 10px; align-items: flex-start; }
.ftr__contact svg { flex: none; margin-top: 3px; opacity: .65; }
.ftr__bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; font-size: 13px; color: #93a8c0; }
.ftr__bottom a { color: #93a8c0; }
.tmin { display: inline-flex; gap: 8px; align-items: center; font-size: 12.5px; color: #93a8c0; }

/* ---------- reveal ---------- */
/* hidden state only applies when JS is running, so content never disappears
   if a script fails to load */
.js .rv { opacity: 0; transform: translateY(22px); transition: opacity .62s var(--ease), transform .62s var(--ease); }
.js .rv.is-in { opacity: 1; transform: none; }
.rv[data-d="1"] { transition-delay: .08s; }
.rv[data-d="2"] { transition-delay: .16s; }
.rv[data-d="3"] { transition-delay: .24s; }
.rv[data-d="4"] { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; }
}

/* ---------- top progress + to-top ---------- */
.prog { position: fixed; left: 0; top: 0; height: 2px; background: var(--c-blue); z-index: 120; width: 0; transition: width .1s linear; }
.totop {
  position: fixed; right: 22px; bottom: 26px; z-index: 80; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--c-line); background: #fff; box-shadow: var(--sh-2); cursor: pointer; color: var(--c-navy);
  opacity: 0; pointer-events: none; transform: translateY(10px); transition: all .25s var(--ease); display: grid; place-items: center;
}
.totop.is-on { opacity: 1; pointer-events: auto; transform: none; }
.totop:hover { background: var(--c-navy); color: #fff; }
.qbar { position: fixed; right: 22px; bottom: 82px; z-index: 79; }
.qbar a {
  display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--c-blue); color: #fff;
  box-shadow: var(--sh-3); transition: transform .2s var(--ease);
}
.qbar a:hover { transform: scale(1.07); background: var(--c-blue-600); }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 20px); z-index: 300; opacity: 0; pointer-events: none;
  background: var(--c-navy); color: #fff; padding: 12px 20px; border-radius: var(--r-pill); font-size: 14px; box-shadow: var(--sh-4);
  transition: all .26s var(--ease);
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ---------- print ---------- */
@media print {
  .hdr, .ftr, .totop, .qbar, .filters, .pager, .modal, .no-print { display: none !important; }
  .cat { grid-template-columns: 1fr; }
  body { color: #000; }
}

/* ---------- responsive ---------- */
@media (max-width: 1120px) {
  .cat { grid-template-columns: 250px 1fr; gap: 26px; }
  .detail { grid-template-columns: 320px 1fr; }
}
@media (max-width: 960px) {
  :root { --nav-h: 62px; }
  .nav, .hdr .btn { display: none; }
  .burger { display: grid; }
  .hdr__in { justify-content: space-between; }
  .logo__zh { font-size: 13.5px; }
  .section { padding: 64px 0; }
  .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .cat { grid-template-columns: 1fr; }
  .filters { position: static; max-height: none; overflow: visible; }
  .filters__inner { border: 1px solid var(--c-line); border-radius: var(--r-md); padding: 0 18px; }
  .ftr__grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .detail { grid-template-columns: 1fr; }
  .detail__img { border-right: 0; border-bottom: 1px solid var(--c-line); min-height: auto; }
  .detail__body { padding: 24px; }
}
@media (max-width: 660px) {
  .wrap { padding: 0 18px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .hero { padding: 52px 0 62px; }
  .hero__cta .btn { flex: 1; }
  .pgrid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .pcard__fit { -webkit-line-clamp: 2; min-height: 36px; }
  .h-sec { font-size: 25px; }
  .section { padding: 52px 0; }
  .ftr__grid { grid-template-columns: 1fr; }
  .qbar { display: none; }
  .searchbar { flex-wrap: wrap; }
  .searchbar input { flex: 1 1 100%; }
  .tbl th, .tbl td { padding: 11px 12px; font-size: 14px; }
  .dl { grid-template-columns: 1fr; }
  .dl dt { padding-bottom: 0; border-bottom: 0; }
  .dl dd { padding-left: 0; }
  .spec th { width: 55%; }
  .spec td.mono { white-space: normal; }
  .modal__box { width: 96vw; margin-top: 2vh; }
  .stat__v { font-size: 34px; }
}

/* ==========================================================================
   v2 additions — trademark cards, contact block, brand strip
   ========================================================================== */
.brand-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--r-md); padding: 26px 26px 22px; transition: box-shadow .22s var(--ease), transform .22s var(--ease), border-color .22s;
}
.brand-card:hover { transform: translateY(-3px); box-shadow: var(--sh-3); border-color: var(--c-blue-100); }
.brand-card__top { display: flex; align-items: center; gap: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--c-line); }
.brand-card__logo {
  flex: none; width: 92px; height: 92px; border-radius: var(--r-md); display: grid; place-items: center;
  background: var(--c-soft); border: 1px solid var(--c-line);
}
.brand-card__logo img { width: 66px; height: 66px; object-fit: contain; }
.brand-card__meta h3 { font-size: 24px; letter-spacing: .02em; margin-bottom: 6px; }
.brand-card__meta p { font-size: 14px; color: var(--c-muted); margin: 0; line-height: 1.65; }
.kvlist { margin: 0; padding: 6px 0 0; }
.brand-card__cert {
  display: flex; align-items: center; gap: 14px; margin-top: 18px; padding: 12px; border-radius: var(--r-sm);
  border: 1px solid var(--c-line); background: var(--c-soft); transition: all .18s var(--ease);
}
.brand-card__cert:hover { border-color: var(--c-blue); background: var(--c-blue-050); }
.brand-card__cert img { width: 56px; height: 74px; object-fit: cover; object-position: top; border-radius: 3px; border: 1px solid var(--c-line-2); background: #fff; flex: none; }
.brand-card__cert span { font-size: 13.5px; font-weight: 600; color: var(--c-navy); }

.brandstrip { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.brandstrip__item {
  display: flex; align-items: center; gap: 12px; padding: 10px 18px 10px 12px; border-radius: var(--r-pill);
  border: 1px solid var(--c-line); background: #fff; transition: all .18s var(--ease);
}
.brandstrip__item:hover { border-color: var(--c-blue); box-shadow: var(--sh-2); transform: translateY(-2px); }
.brandstrip__item img { height: 34px; width: auto; object-fit: contain; }
.brandstrip__item .bs-meta { display: flex; flex-direction: column; line-height: 1.25; }
.brandstrip__item .bs-name { font-size: 14px; font-weight: 700; color: var(--c-navy); letter-spacing: .04em; }
.brandstrip__item .bs-reg { font-size: 11px; color: var(--c-faint); font-family: var(--f-mono); }
.section--navy .brandstrip__item, .section--ink .brandstrip__item { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.16); }
.section--navy .brandstrip__item .bs-name, .section--ink .brandstrip__item .bs-name { color: #fff; }
.section--navy .brandstrip__item .bs-reg, .section--ink .brandstrip__item .bs-reg { color: #8fa8c4; }

.contactbox { display: grid; gap: 0; }
.contactbox .kv b { white-space: nowrap; }
.ccard {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh-2);
}
.ccard__head { padding: 24px 26px; background: var(--c-navy); color: #fff; display: flex; align-items: center; gap: 16px; }
.ccard__avatar {
  flex: none; width: 52px; height: 52px; border-radius: 50%; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.28);
  display: grid; place-items: center; font-size: 21px; font-weight: 700; color: #fff;
}
.ccard__head h3 { font-size: 19px; margin: 0 0 2px; color: #fff; }
.ccard__head p { margin: 0; font-size: 13.5px; color: #9db4cd; }
.ccard__body { padding: 8px 26px 22px; }
.ccard__row { display: flex; align-items: flex-start; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--c-line); }
.ccard__row:last-child { border-bottom: 0; }
.ccard__row svg { flex: none; margin-top: 3px; color: var(--c-blue); }
.ccard__row .cr-l { font-size: 12px; color: var(--c-faint); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 2px; }
.ccard__row .cr-v { font-size: 15.5px; color: var(--c-text); word-break: break-word; }
.ccard__row .cr-v a:hover { color: var(--c-blue); }
.ccard__cta { display: flex; gap: 10px; padding: 0 26px 26px; flex-wrap: wrap; }

.hero__brands { position: relative; z-index: 2; margin-top: 34px; }
@media (max-width: 660px) {
  .brand-card { padding: 20px; }
  .brand-card__top { flex-direction: column; align-items: flex-start; gap: 14px; }
  .brandstrip__item { flex: 1; }
  .ccard__head { padding: 20px; }
  .ccard__body { padding: 4px 20px 16px; }
  .ccard__cta { padding: 0 20px 20px; }
}

/* ==========================================================================
   新闻板块
   ========================================================================== */
.ncard {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--r-md); overflow: hidden; transition: box-shadow .22s var(--ease), transform .22s var(--ease), border-color .22s;
}
.ncard:hover { transform: translateY(-3px); box-shadow: var(--sh-3); border-color: var(--c-blue-100); }
.ncard__img { aspect-ratio: 16/9; background: var(--c-soft-2); overflow: hidden; }
.ncard__img img { width: 100%; height: 100%; object-fit: cover; }
.ncard__body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.ncard__meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ncard__meta time { font-size: 12px; color: var(--c-faint); }
.ncard__body h3 { font-size: 17.5px; line-height: 1.45; margin: 0; }
.ncard__body p { font-size: 14.5px; color: var(--c-muted); line-height: 1.7; margin: 0;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ncard__more { margin-top: auto; padding-top: 6px; font-size: 13.5px; font-weight: 600; color: var(--c-blue); }
.ncard--big { grid-column: 1 / -1; display: grid; grid-template-columns: 1.1fr 1fr; }
.ncard--big .ncard__img { aspect-ratio: auto; min-height: 260px; }
.ncard--big .ncard__body h3 { font-size: 23px; }
.ncard--big .ncard__body p { -webkit-line-clamp: 4; font-size: 15px; }
.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px; }
.news-cats { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }

.post { max-width: 780px; margin: 0 auto; }
.post__head { margin-bottom: 26px; padding-bottom: 22px; border-bottom: 1px solid var(--c-line); }
.post__meta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.post__meta time { font-size: 13px; color: var(--c-faint); }
.post__head h1 { font-size: clamp(24px, 3.2vw, 34px); line-height: 1.32; letter-spacing: -.02em; }
.post__cover { margin-bottom: 28px; border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--c-line); }
.post__cover img { width: 100%; display: block; }
.prose { font-size: 16.5px; line-height: 1.95; color: #26313f; }
.prose p { margin: 0 0 1.25em; }
.prose h2 { font-size: 21px; margin: 1.9em 0 .7em; }
.prose h3 { font-size: 18px; margin: 1.7em 0 .6em; }
.prose ul, .prose ol { margin: 0 0 1.25em; padding-left: 1.4em; }
.prose li { list-style: disc; margin-bottom: .45em; }
.prose ol li { list-style: decimal; }
.prose img { max-width: 100%; border-radius: var(--r-md); margin: .6em 0; }
.prose a { color: var(--c-blue); border-bottom: 1px solid transparent; }
.prose a:hover { border-color: currentColor; }
.prose blockquote { margin: 1.4em 0; padding: .2em 0 .2em 1.1em; border-left: 3px solid var(--c-blue); color: var(--c-muted); }
.prose table { width: 100%; margin: 1.4em 0; font-size: 15px; }
.prose th, .prose td { border: 1px solid var(--c-line); padding: 9px 12px; text-align: left; }
.prose th { background: var(--c-soft); font-weight: 600; }
.post__foot { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--c-line); }
.post-nav { max-width: 780px; margin: 34px auto 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.post-nav a { display: block; padding: 16px 18px; border: 1px solid var(--c-line); border-radius: var(--r-md); background: #fff; transition: all .18s var(--ease); }
.post-nav a:hover { border-color: var(--c-blue); box-shadow: var(--sh-2); }
.post-nav a:last-child { text-align: right; }
.post-nav span { display: block; font-size: 12px; color: var(--c-faint); margin-bottom: 4px; letter-spacing: .04em; }
.post-nav b { font-size: 14.5px; font-weight: 600; color: var(--c-navy); line-height: 1.5; }
.post-nav > span:empty { display: none; }
@media (max-width: 760px) {
  .ncard--big { grid-template-columns: 1fr; }
  .ncard--big .ncard__img { min-height: 0; aspect-ratio: 16/9; }
  .post-nav { grid-template-columns: 1fr; }
}

/* ---------- equipment cards (manufacturing) ---------- */
.ecard__media { aspect-ratio: 16 / 11; background: var(--c-soft-2); overflow: hidden; }
.ecard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.card--hover:hover .ecard__media img { transform: scale(1.045); }
.ecard__media--ph { display: grid; place-items: center; background: var(--c-blue-050); border-bottom: 1px solid var(--c-line); }
.ecard__media--ph svg { width: 44px; height: 44px; color: var(--c-blue); opacity: .62; }
.ecard__body { padding: 21px 24px 24px; }
.ecard__body h3 { font-size: 17px; margin-bottom: 7px; }
.ecard__body p { font-size: 14px; line-height: 1.75; color: var(--c-muted); margin: 0; }
@media (max-width: 660px) { .ecard__body { padding: 18px 18px 20px; } }

/* ---------- 门面页（index） ---------- */
body.door-page { min-height: 100vh; display: flex; flex-direction: column; background: var(--c-ink); }
.door {
  position: relative; flex: 1; display: flex; flex-direction: column; justify-content: center;
  background: var(--c-ink); color: #fff; overflow: hidden;
  padding: clamp(40px, 6vh, 88px) 0 clamp(34px, 5vh, 70px);
}
.door__bg { position: absolute; inset: 0; z-index: 0; }
.door__bg img { width: 100%; height: 100%; object-fit: cover; object-position: 66% 50%; }
.door__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8,16,26,.94) 0%, rgba(8,16,26,.80) 40%, rgba(8,16,26,.38) 72%, rgba(8,16,26,.16) 100%);
}
.door__in { position: relative; z-index: 2; max-width: calc(var(--wrap) - 52px); }
.door__h1 { font-size: clamp(32px, 4.8vw, 62px); line-height: 1.24; letter-spacing: -.015em; margin: 22px 0 0; font-weight: 700; }
.door__lead { font-size: clamp(15px, 1.5vw, 18px); line-height: 1.85; color: #b9c9dc; max-width: 660px; margin: 18px 0 0; }
.door__slogan { font-size: clamp(16.5px, 1.85vw, 22px); line-height: 1.7; color: #fff; font-weight: 600; letter-spacing: .08em; max-width: 660px; margin: 14px 0 0; }
.door__slogan::before { content: ""; display: block; width: 46px; height: 3px; border-radius: 2px; background: var(--c-amber); margin-bottom: 16px; }
.door__meta { list-style: none; margin: 34px 0 0; padding: 26px 0 0; border-top: 1px solid rgba(255,255,255,.14); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 34px; max-width: 720px; }
.door__meta li { display: grid; gap: 3px; font-size: 14.5px; }
.door__meta li > span { font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: #7f93aa; }
.door__meta b { font-weight: 500; color: #dbe6f2; }
.door__meta .lnk { color: #fff; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.28); }
.door__meta .lnk:hover { border-bottom-color: var(--c-amber); color: #fff; }
.door__note { position: absolute; left: 26px; bottom: 12px; z-index: 2; margin: 0; font-size: 11.5px; letter-spacing: .03em; color: rgba(255,255,255,.5); }
.btn--ghost-dark { background: transparent; color: #fff; border-color: rgba(255,255,255,.34); }
.btn--ghost-dark:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.6); }
.crumbs--dark { color: #8ba3bd; }
.crumbs--dark a { color: #b9c9dc; text-decoration: none; }
.crumbs--dark a:hover { color: #fff; }
.crumbs--dark b { color: #fff; font-weight: 600; }
.ftr--slim { padding: 22px 0; }
.ftr--slim .ftr__bottom { border-top: 0; padding-top: 0; }
.hero--cat { padding: clamp(26px, 3vw, 40px) 0 clamp(24px, 2.6vw, 36px); }
.hero--cat .hero__bg img { opacity: .26; }
.hero--cat .crumbs--dark { margin-bottom: 18px; }
.hero--cat .hero__p { margin-bottom: 22px; }
@media (max-width: 760px) {
  .door__meta { grid-template-columns: 1fr; }
  .door__bg img { object-position: 50% 50%; }
  .door__bg::after { background: linear-gradient(180deg, rgba(8,16,26,.9) 0%, rgba(8,16,26,.82) 58%, rgba(8,16,26,.7) 100%); }
}