@font-face {
  font-family: "Libre Franklin";
  src: url("/static/fonts/libre-franklin-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Libre Franklin";
  src: url("/static/fonts/libre-franklin-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Libre Franklin";
  src: url("/static/fonts/libre-franklin-800.woff2") format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* ── 基础 ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--white);
}
img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--navy); }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 {
  margin: 0;
  color: var(--navy);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.015em;
}
h1 { font-size: clamp(2.25rem, 4.2vw, 3.5rem); }
h2 { font-size: clamp(1.7rem, 2.6vw, 2.25rem); }
h3 { font-size: 1.15rem; font-weight: 700; line-height: 1.4; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
li { margin-bottom: .4em; }
strong { font-weight: 700; }
::selection { background: var(--sky); color: var(--navy); }
:focus-visible { outline: 2px solid var(--blue-bright); outline-offset: 3px; }
section[id] { scroll-margin-top: 100px; }

.wrap { width: min(var(--wrap), 100% - var(--gutter) * 2); margin-inline: auto; }
.section { padding: 88px 0; }
.section--tight { padding: 56px 0; }
.section--tint { background: var(--paper); }
.section--navy { background: var(--navy); color: var(--white); }
.section--navy h2, .section--navy h3 { color: var(--white); }
.section--navy p { color: rgba(255,255,255,.76); }
.mt-8 { margin-top: 8px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.note { margin-top: 20px; font-size: 13.5px; color: var(--muted); max-width: 80ch; }
.empty { padding: 40px 0; color: var(--muted); }

.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue);
}
.kicker::before {
  content: "";
  width: 14px; height: 2px;
  background: var(--green);
  flex: none;
}
.kicker--light { color: rgba(255,255,255,.74); }

.shead {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  margin-bottom: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.shead__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  padding-top: 8px;
}
.shead__main h2 { margin-bottom: 10px; }
.shead__main p { max-width: 62ch; color: var(--muted); font-size: 15.5px; }
.section--navy .shead { border-color: var(--line-light); }

.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li { position: relative; padding-left: 22px; margin-bottom: 10px; font-size: 15px; }
.ticks li::before {
  content: "";
  position: absolute; left: 0; top: .62em;
  width: 9px; height: 9px;
  border: 2px solid var(--green);
  border-radius: 50%;
}
.ticks--muted li::before { border-color: var(--line-strong); }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  color: var(--blue);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 4px;
}
.arrow-link span { transition: transform .2s var(--ease); }
.arrow-link:hover { color: var(--navy); border-color: var(--navy); }
.arrow-link:hover span { transform: translateX(4px); }

/* ── 顶栏 / 页头 ─────────────────────────────────────── */
.topbar {
  background: var(--navy-3);
  color: rgba(255,255,255,.72);
  font-size: 12px;
  letter-spacing: .02em;
}
.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 34px;
  gap: 16px;
}
.topbar__tag { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar__links { display: flex; gap: 8px; align-items: center; white-space: nowrap; }
.topbar__links a { color: rgba(255,255,255,.88); }
.topbar__links a:hover { color: var(--green); }

.header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 76px;
}
.logo { display: inline-flex; align-items: flex-end; gap: 10px; flex: none; }
.logo img { width: 159px; height: auto; }
.logo__cn {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--blue);
  border: 1px solid var(--line-strong);
  padding: 1px 5px;
  transform: translateY(-3px);
}
.nav { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.nav__link {
  position: relative;
  padding: 26px 0;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-2);
  white-space: nowrap;
}
.nav__link::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 3px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s var(--ease);
}
.nav__link:hover { color: var(--navy); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--navy); }
.header__actions { display: flex; align-items: center; gap: 12px; flex: none; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
  color: var(--navy);
}
.icon-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.icon-btn:hover { border-color: var(--navy); }
.menu-btn { display: none; width: 40px; height: 40px; border: 1px solid var(--line); background: var(--white); flex-direction: column; justify-content: center; align-items: center; gap: 4px; }
.menu-btn span { width: 18px; height: 2px; background: var(--navy); display: block; }

/* ── 按钮 / 标签 ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: .01em;
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.btn--primary { background: var(--blue); color: var(--white); }
.btn--primary:hover { background: var(--navy); color: var(--white); }
.btn--light { background: var(--white); color: var(--navy); }
.btn--light:hover { background: var(--sky); color: var(--navy); }
.btn--ghost { border-color: var(--line-strong); color: var(--navy); background: var(--white); }
.btn--ghost:hover { border-color: var(--navy); background: var(--paper); color: var(--navy); }
.btn--outline-light { border-color: rgba(255,255,255,.42); color: var(--white); }
.btn--outline-light:hover { background: rgba(255,255,255,.1); color: var(--white); border-color: var(--white); }
.btn--sm { min-height: 38px; padding: 0 16px; font-size: 13.5px; }
.btn--block { width: 100%; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .01em;
  color: var(--ink-2);
  cursor: pointer;
}
.chip span { color: var(--muted); font-size: 10.5px; }
.chip--link:hover { border-color: var(--blue); color: var(--blue); }
.chip.is-active { background: var(--navy); border-color: var(--navy); color: var(--white); }
.chip.is-active span { color: rgba(255,255,255,.7); }
.chip--new { background: var(--green); border-color: var(--green); color: var(--navy-3); font-weight: 700; }

/* ── 首页 hero ───────────────────────────────────────── */
.hero {
  position: relative;
  background-color: var(--navy);
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  color: var(--white);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--line-light);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 56px;
  padding: 76px 0 64px;
  align-items: center;
}
.hero__copy h1 {
  color: var(--white);
  font-size: clamp(2.9rem, 5.6vw, 4.5rem);
  letter-spacing: -.03em;
  margin-bottom: 22px;
}
.hero__lead {
  max-width: 46ch;
  font-size: 17.5px;
  line-height: 1.8;
  color: rgba(255,255,255,.78);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 40px; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 0;
  padding-top: 22px;
  border-top: 1px solid var(--line-light);
}
.stats__item dt {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.2;
}
.stats__item dd { margin: 6px 0 0; font-size: 11.5px; color: rgba(255,255,255,.58); letter-spacing: .02em; }

.hero__stage { position: relative; min-height: 480px; }
.specimen {
  position: absolute;
  background: var(--white);
  border: 1px solid rgba(255,255,255,.5);
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.specimen img { width: 100%; height: 100%; object-fit: contain; flex: 1; min-height: 0; }
.specimen__label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .1em;
  color: var(--navy);
  border-top: 1px solid var(--line);
  padding-top: 7px;
  text-transform: uppercase;
}
.specimen--main { width: 62%; top: 0; left: 0; aspect-ratio: 16/10; border-top: 3px solid var(--green); }
.specimen--a { width: 42%; right: 0; bottom: 0; aspect-ratio: 4/3; }
.specimen--b { width: 31%; right: 1%; top: 2%; aspect-ratio: 4/3; }
.hero__gridline { position: absolute; background: rgba(255,255,255,.16); }
.hero__gridline--v { left: 68%; top: 0; bottom: 0; width: 1px; }
.hero__gridline--h { top: 34%; left: 0; right: 0; height: 1px; }

.hero__rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-light);
}
.hero__rail a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 8px;
  color: rgba(255,255,255,.82);
  font-size: 14px;
  border-right: 1px solid var(--line-light);
}
.hero__rail a:last-child { border-right: 0; }
.hero__rail a span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--green);
}
.hero__rail a em {
  margin-left: auto;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255,255,255,.45);
}
.hero__rail a:hover { background: rgba(255,255,255,.05); color: var(--white); }

/* ── lanes ──────────────────────────────────────────── */
.lanes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.lane {
  padding: 40px;
  border: 1px solid var(--line);
  background: var(--white);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.lane--1 { border-top: 4px solid var(--green); }
.lane--2 { background: var(--navy); border-color: var(--navy); border-top: 4px solid var(--sky); }
.lane__kicker {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--blue);
  margin-bottom: 18px;
}
.lane--2 .lane__kicker { color: var(--sky); }
.lane h2 { font-size: 25px; margin-bottom: 14px; max-width: 20ch; }
.lane p { font-size: 15px; color: var(--muted); margin-bottom: 24px; }
.lane--2 h2 { color: var(--white); }
.lane--2 p { color: rgba(255,255,255,.74); }
.lane .arrow-link { margin-top: auto; }
.lane--2 .arrow-link { color: var(--sky); border-color: rgba(255,255,255,.3); }
.lane--2 .arrow-link:hover { color: var(--white); }

/* ── 类别 / 应用 / 目录 ─────────────────────────────── */
.catgrid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.catcard {
  display: grid;
  grid-template-columns: 78px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
  transition: background-color .16s var(--ease);
}
.catcard:hover { background: var(--paper-2); }
.catcard__img { width: 78px; height: 60px; background: var(--white); display: flex; align-items: center; justify-content: center; }
.catcard__img img { width: 100%; height: 100%; object-fit: contain; }
.catcard__text { display: flex; flex-direction: column; min-width: 0; }
.catcard__name { font-weight: 700; color: var(--navy); font-size: 15px; }
.catcard__short { font-size: 11.5px; color: var(--muted); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.catcard__count { font-family: var(--font-mono); font-size: 12px; color: var(--blue); }
.catgrid__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: 26px; }
.catgrid__foot p { margin: 0; font-size: 14px; color: var(--muted); }

.appgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.appcard { display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--white); }
.appcard__media { aspect-ratio: 4/3; background: var(--white); overflow: hidden; padding: 18px; }
.appcard__media img { width: 100%; height: 100%; object-fit: contain; }
.appcard__body { padding: 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.appcard__kicker { font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; color: var(--blue); text-transform: uppercase; }
.appcard__name { font-size: 22px; font-weight: 800; color: var(--navy); }
.appcard__short { font-size: 14px; color: var(--muted); margin-bottom: 12px; }
.appcard .arrow-link { margin-top: auto; align-self: flex-start; }
.appcard:hover { border-color: var(--blue); }

.cataloggrid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.catalogcard { display: flex; flex-direction: column; gap: 10px; border: 1px solid var(--line); background: var(--white); padding: 12px; }
.catalogcard__cover { aspect-ratio: 1/1; background: var(--paper); display: flex; align-items: center; justify-content: center; padding: 12px; }
.catalogcard__cover img { width: 100%; height: 100%; object-fit: contain; }
.catalogcard__title { font-size: 14px; font-weight: 700; color: var(--navy); line-height: 1.45; }
.catalogcard__desc { font-size: 12px; color: var(--muted); line-height: 1.55; }
.catalogcard__meta { margin-top: auto; display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); }
.catalogcard__meta span { color: var(--blue); }
.catalogcard:hover { border-color: var(--blue); }

/* ── why / split / quickfacts ───────────────────────── */
.why { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; }
.why__intro h2 { margin-bottom: 16px; }
.why__intro p { font-size: 15.5px; margin-bottom: 26px; }
.why__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line-light); border-left: 1px solid var(--line-light); }
.why__item { padding: 26px; border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.why__n { font-family: var(--font-mono); font-size: 10px; color: var(--green); letter-spacing: .1em; }
.why__item h3 { font-size: 17px; margin: 8px 0 10px; }
.why__item p { font-size: 13.5px; margin: 0; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split__media { background: var(--paper); border: 1px solid var(--line); padding: 28px; }
.split__media img { width: 100%; object-fit: contain; }
.split__caption { display: block; margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.split__body h3 { font-size: 28px; margin-bottom: 18px; line-height: 1.3; }
.split__body p { font-size: 15.5px; color: var(--muted); }
.split__body .btn { margin-top: 12px; }
.split--reverse .split__media { order: 2; }
.split__media--navy { background: var(--navy); border-color: var(--navy); }

.quickfacts { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.quickfacts > div { padding: 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; }
.quickfacts span { font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; }
.quickfacts strong { font-size: 22px; color: var(--navy); line-height: 1.2; }
.quickfacts em { font-style: normal; font-size: 12px; color: var(--muted); }

/* ── pagehead ───────────────────────────────────────── */
.pagehead { background: var(--paper); border-bottom: 1px solid var(--line); padding: 26px 0 52px; }
.pagehead h1 { font-size: clamp(2.1rem, 3.8vw, 3rem); margin-bottom: 14px; }
.pagehead__grid { display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: end; margin-top: 26px; }
.pagehead__lead { max-width: 66ch; font-size: 16.5px; color: var(--ink-2); margin: 0; }
.pagehead__stats { display: grid; grid-template-columns: repeat(4, auto); gap: 28px; margin: 0; }
.pagehead__stats dt { font-family: var(--font-mono); font-size: 26px; color: var(--navy); font-weight: 600; line-height: 1.1; }
.pagehead__stats dd { margin: 6px 0 0; font-size: 11.5px; color: var(--muted); white-space: nowrap; }
.pagehead__media { width: 300px; background: var(--white); border: 1px solid var(--line); padding: 16px; }
.pagehead__media img { width: 100%; object-fit: contain; }
.pagehead--cat .pagehead__grid { align-items: center; }
.pagehead--about .pagehead__grid { align-items: start; }
.pagehead--legal { padding-bottom: 36px; }

.crumbs { margin-bottom: 18px; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; font-size: 12px; color: var(--muted); }
.crumbs li { margin: 0; display: flex; gap: 6px; align-items: center; }
.crumbs li::after { content: "/"; color: var(--line-strong); }
.crumbs li:last-child::after { display: none; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--blue); }
.crumbs span { color: var(--ink-2); }

/* ── 产品卡片 / 网格 ────────────────────────────────── */
.pgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pgrid--5 { grid-template-columns: repeat(5, 1fr); }
.pgrid__item { display: flex; }
.pcard {
  display: flex;
  flex-direction: column;
  width: 100%;
  background: var(--white);
  border: 1px solid var(--line);
  transition: border-color .16s var(--ease), transform .16s var(--ease), box-shadow .16s var(--ease);
}
.pcard:hover { border-color: var(--blue); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.pcard__media {
  position: relative;
  display: block;
  aspect-ratio: 4/3;
  background: var(--white);
  padding: 12px;
}
.pcard__media img { width: 100%; height: 100%; object-fit: contain; }
.pcard__new {
  position: absolute; top: 8px; right: 8px;
  background: var(--green); color: var(--navy-3);
  font-family: var(--font-mono); font-size: 9px; letter-spacing: .08em;
  padding: 2px 5px;
}
.pcard__body { display: flex; flex-direction: column; gap: 5px; padding: 13px 14px 15px; flex: 1; }
.pcard__model { font-family: var(--font-mono); font-size: 14px; font-weight: 600; color: var(--navy); line-height: 1.3; }
.pcard__name { font-size: 13px; color: var(--muted); line-height: 1.4; }
.pcard__tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.pcard__tags span { font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-2); background: var(--paper); padding: 2px 5px; }
.pcard__cat { font-size: 10px; color: var(--blue); margin-top: 4px; }

.filterpanel { border: 1px solid var(--line); background: var(--white); padding: 18px 20px; margin-bottom: 28px; }
.filterpanel__row { display: flex; align-items: center; gap: 20px; margin-bottom: 14px; }
.filterpanel__count { font-size: 13px; color: var(--muted); white-space: nowrap; }
.filterpanel__count strong { font-family: var(--font-mono); color: var(--navy); font-size: 15px; }
.filterchips { display: flex; flex-wrap: wrap; gap: 6px; }
.searchfield {
  display: flex; align-items: center; gap: 10px;
  flex: 1;
  min-height: 46px;
  border: 1px solid var(--line-strong);
  background: var(--white);
  padding: 0 14px;
}
.searchfield svg { width: 18px; height: 18px; fill: none; stroke: var(--muted); stroke-width: 1.8; flex: none; }
.searchfield input { flex: 1; border: 0; outline: 0; font: inherit; font-size: 15px; color: var(--ink); background: transparent; min-width: 0; }
.searchfield input::placeholder { color: var(--muted-2); }
.searchfield:focus-within { border-color: var(--blue); }
.searchfield--lg { min-height: 56px; }
.searchfield--lg input { font-size: 17px; }

/* ── 分类页 ─────────────────────────────────────────── */
.catnav {
  display: flex; flex-wrap: wrap; gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin-bottom: 32px;
}
.catnav a {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-2);
  background: var(--white);
}
.catnav a span { font-family: var(--font-mono); font-size: 10px; color: var(--muted); }
.catnav a:hover { background: var(--paper); color: var(--navy); }
.catnav a.is-active { background: var(--navy); color: var(--white); border-color: var(--navy); }
.catnav a.is-active span { color: rgba(255,255,255,.6); }

/* ── 产品详情 ───────────────────────────────────────── */
.phead { padding: 26px 0 56px; border-bottom: 1px solid var(--line); }
.phead__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; margin-top: 20px; }
.gallery__main { background: var(--white); border: 1px solid var(--line); aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; padding: 24px; }
.gallery__main img { width: 100%; height: 100%; object-fit: contain; }
.gallery__thumbs { display: flex; gap: 8px; margin-top: 10px; }
.gallery__thumb { width: 84px; height: 63px; border: 1px solid var(--line); background: var(--white); padding: 4px; cursor: pointer; }
.gallery__thumb img { width: 100%; height: 100%; object-fit: contain; }
.gallery__thumb.is-active { border-color: var(--blue); }
.phead__imgcredit { margin-top: 10px; font-family: var(--font-mono); font-size: 10px; color: var(--muted); }
.phead__type { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); margin-bottom: 10px; }
.phead__type span { color: var(--line-strong); margin: 0 4px; }
.phead__info h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); font-family: var(--font-mono); letter-spacing: -.02em; margin-bottom: 6px; }
.phead__subtype { font-size: 20px; color: var(--ink-2); margin-bottom: 4px; }
.phead__tagline { font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
.phead__chips { margin: 20px 0 24px; }
.phead__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.pmeta { margin: 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.pmeta > div { padding: 11px 12px 11px 0; border-bottom: 1px solid var(--line-soft); }
.pmeta dt { font-size: 11px; color: var(--muted); letter-spacing: .02em; }
.pmeta dd { margin: 2px 0 0; font-size: 13px; color: var(--ink); }
.phead__note { margin-top: 18px; padding: 12px 14px; background: var(--paper); border-left: 3px solid var(--sky); font-size: 12.5px; color: var(--muted); }

.pbody { display: grid; grid-template-columns: 1fr 330px; gap: 56px; align-items: start; }
.pbody__h2 { margin-bottom: 18px; }
.pbody__desc { font-size: 17px; line-height: 1.85; color: var(--ink-2); max-width: 72ch; }
.pbody__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 32px; padding-top: 26px; border-top: 1px solid var(--line); }
.pbody__cols h3 { font-size: 14px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 14px; color: var(--blue); }
.pbody__aside { display: flex; flex-direction: column; gap: 16px; }
.sidecard { border: 1px solid var(--line); background: var(--white); padding: 22px; }
.sidecard__kicker { font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; color: var(--blue); margin-bottom: 12px; text-transform: uppercase; }
.sidecard p { font-size: 13.5px; color: var(--muted); margin-bottom: 16px; }
.sidecard__meta { display: block; margin-top: 10px; font-family: var(--font-mono); font-size: 10px; color: var(--muted-2); word-break: break-all; }
.sidecard--tint { background: var(--paper); }

.specwrap__head { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 26px; }
.specwrap__head h2 { margin-bottom: 0; }
.specwrap__head p { max-width: 44ch; font-size: 13px; color: var(--muted); margin: 0; text-align: right; }
.specwrap__grid { display: grid; grid-template-columns: 1fr 330px; gap: 48px; align-items: start; }
.spec-block { margin-top: 24px; }
.spec-block__title { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; margin-bottom: 8px; }
.spec-table { width: 100%; border-collapse: collapse; background: var(--white); }
.spec-table th, .spec-table td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.spec-table th { width: 38%; font-size: 13.5px; font-weight: 500; color: var(--muted); }
.spec-table td { font-size: 14.5px; color: var(--ink); font-variant-numeric: tabular-nums; }
.spec-table tr:first-child th, .spec-table tr:first-child td { border-top: 1px solid var(--line); }
.spec-table--lead { margin-bottom: 8px; border: 1px solid var(--line); }
.spec-table--lead th { background: var(--paper); }
.specwrap__aside { display: flex; flex-direction: column; gap: 16px; }
.specnote { border: 1px solid var(--line); background: var(--white); padding: 20px; }
.specnote h3 { font-size: 14px; margin-bottom: 10px; }
.specnote p { font-size: 13px; color: var(--muted); }
.specsource { display: flex; flex-wrap: wrap; gap: 10px 16px; padding: 14px 0; border-top: 1px solid var(--line); font-size: 12px; }
.specsource span { font-family: var(--font-mono); font-size: 10px; color: var(--muted); text-transform: uppercase; }
.seriesstrip { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.seriesstrip__label { font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; margin-right: 8px; }
.seriesstrip__all { margin-left: auto; font-size: 13px; }

/* ── 系列 / 应用 / 定制 ─────────────────────────────── */
.seriesgrid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.seriescard { display: grid; grid-template-columns: 52px 1fr 30px; gap: 16px; align-items: center; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.seriescard__n { font-family: var(--font-mono); font-size: 12px; color: var(--green-dark); }
.seriescard__name { display: block; font-size: 21px; font-weight: 800; color: var(--navy); }
.seriescard__short { display: block; font-size: 13px; color: var(--muted); margin: 4px 0 10px; }
.seriescard__count { font-family: var(--font-mono); font-size: 10.5px; color: var(--blue); }
.seriescard__arrow { font-size: 20px; color: var(--blue); transition: transform .2s var(--ease); }
.seriescard:hover { background: var(--paper); }
.seriescard:hover .seriescard__arrow { transform: translateX(4px); }

.applist { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line); }
.approw { display: grid; grid-template-columns: 300px 1fr; gap: 40px; padding: 36px 0; border-bottom: 1px solid var(--line); align-items: center; }
.approw__media { background: var(--paper); padding: 16px; border: 1px solid var(--line); }
.approw__media img { width: 100%; aspect-ratio: 1/1; object-fit: contain; }
.approw__body h2 { margin-bottom: 12px; }
.approw__lead { font-size: 16.5px; color: var(--ink-2); font-weight: 500; }
.approw__body p { color: var(--muted); font-size: 15px; max-width: 66ch; }
.approw .arrow-link { margin-top: 6px; }

.customhero { background: var(--navy); color: var(--white); padding: 26px 0 64px; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 64px 64px; }
.customhero .crumbs a, .customhero .crumbs span { color: rgba(255,255,255,.6); }
.customhero .crumbs li::after { color: rgba(255,255,255,.3); }
.customhero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.customhero h1 { color: var(--white); font-size: clamp(2.3rem, 4.6vw, 3.8rem); margin-bottom: 18px; max-width: 24ch; }
.customhero__lead { color: rgba(255,255,255,.76); font-size: 16.5px; max-width: 56ch; }
.customhero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.customhero__art { background: var(--white); padding: 24px; border: 1px solid rgba(255,255,255,.4); }
.customhero__art img { width: 100%; }
.customhero__labels { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.customhero__labels span { font-family: var(--font-mono); font-size: 9.5px; color: var(--navy); border: 1px solid var(--line); padding: 2px 6px; }

.principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.principle { padding: 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principle__n { font-family: var(--font-mono); font-size: 10px; color: var(--green-dark); }
.principle h3 { margin: 10px 0 8px; font-size: 16px; }
.principle p { font-size: 13.5px; color: var(--muted); margin: 0; }

.steps { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 90px 1fr; gap: 32px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.step__n { font-family: var(--font-mono); font-size: 28px; color: var(--sky); line-height: 1; padding-top: 4px; }
.step__body h3 { font-size: 20px; margin-bottom: 8px; }
.step__body p { color: var(--muted); font-size: 15px; max-width: 80ch; }
.step__detail { font-size: 13.5px !important; color: var(--muted-2) !important; border-left: 2px solid var(--paper-3); padding-left: 14px; }

.capwrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
.capwrap__intro h2 { margin-bottom: 14px; }
.capwrap__intro p { color: var(--muted); font-size: 15px; margin-bottom: 24px; }
.capgrid { margin: 0; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.capgrid > div { padding: 14px 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capgrid dt { font-size: 11px; color: var(--blue); font-family: var(--font-mono); letter-spacing: .04em; margin-bottom: 4px; }
.capgrid dd { margin: 0; font-size: 13.5px; color: var(--ink-2); }
.customend { display: flex; justify-content: space-between; align-items: end; gap: 40px; }
.customend h2 { margin-bottom: 12px; }
.customend p { max-width: 52ch; }
.customend__actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ── 下载 ───────────────────────────────────────────── */
.certgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.certcard { display: flex; gap: 16px; align-items: center; border: 1px solid var(--line); background: var(--white); padding: 16px 18px; }
.certcard__icon { flex: none; width: 54px; height: 54px; display: flex; align-items: center; justify-content: center; background: var(--navy); color: var(--white); font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; }
.certcard__title { display: block; font-weight: 700; color: var(--navy); font-size: 14px; }
.certcard__meta { display: block; font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); margin-top: 3px; }
.certcard:hover { border-color: var(--blue); }
.dltable { border: 1px solid var(--line); background: var(--white); max-height: 720px; overflow: auto; }
.dltable table { width: 100%; border-collapse: collapse; }
.dltable thead th { position: sticky; top: 0; background: var(--paper); z-index: 1; text-align: left; font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; color: var(--muted); padding: 10px 14px; border-bottom: 1px solid var(--line); }
.dltable td { padding: 9px 14px; border-bottom: 1px solid var(--line-soft); font-size: 13px; }
.dltable tr:hover td { background: var(--paper); }
.dlbtn { display: inline-block; font-family: var(--font-mono); font-size: 10.5px; border: 1px solid var(--line-strong); padding: 2px 8px; }
.dlbtn:hover { border-color: var(--blue); }
.notes { margin-top: 18px; padding-left: 18px; font-size: 12.5px; color: var(--muted); }

/* ── 知识 / FAQ ─────────────────────────────────────── */
.knowgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.knowgrid--index { grid-template-columns: repeat(3, 1fr); }
.knowcard { display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--white); padding: 24px; min-height: 210px; }
.knowcard__tag { align-self: flex-start; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--green-dark); border: 1px solid rgba(100,200,100,.5); background: rgba(100,200,100,.08); padding: 2px 6px; margin-bottom: 14px; }
.knowcard h3 { font-size: 19px; margin-bottom: 10px; line-height: 1.4; }
.knowcard p { font-size: 13.5px; color: var(--muted); }
.knowcard__meta { margin-top: auto; font-family: var(--font-mono); font-size: 10.5px; color: var(--blue); padding-top: 14px; }
.knowcard:hover { border-color: var(--blue); }
.knowgrid__foot { margin-top: 26px; }
.faqlist { border-top: 1px solid var(--line); }
.faq { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; gap: 16px; align-items: baseline; padding: 18px 0; font-weight: 600; color: var(--navy); font-size: 15.5px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span { font-family: var(--font-mono); font-size: 10px; color: var(--green-dark); }
.faq summary::after { content: "+"; margin-left: auto; font-family: var(--font-mono); font-size: 18px; color: var(--blue); }
.faq[open] summary::after { content: "−"; }
.faq__a { padding: 0 0 20px 34px; font-size: 14.5px; color: var(--muted); max-width: 84ch; }

.articlehead { padding: 26px 0 40px; border-bottom: 1px solid var(--line); background: var(--paper); }
.articlehead__meta { display: flex; gap: 16px; align-items: center; font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); margin-bottom: 18px; }
.articlehead h1 { max-width: 26em; font-size: clamp(2rem, 3.8vw, 3rem); margin-bottom: 14px; }
.articlehead__summary { max-width: 60ch; font-size: 17px; color: var(--ink-2); }
.articlewrap { display: grid; grid-template-columns: 1fr 330px; gap: 56px; align-items: start; }
.article { max-width: 76ch; }
.article h2 { font-size: 24px; margin: 36px 0 12px; }
.article p { font-size: 16.5px; line-height: 1.9; color: var(--ink-2); }
.article ul { font-size: 16px; color: var(--ink-2); }
.article ul li { margin-bottom: 8px; }
.article__note { margin: 28px 0; padding: 16px 18px; background: var(--paper); border-left: 3px solid var(--green); font-size: 14.5px; color: var(--ink-2); }
.article__source { margin-top: 36px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.articleaside { display: flex; flex-direction: column; gap: 20px; }
.articleaside__more h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 10px; }
.articleaside__more a { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line-soft); font-size: 13.5px; }
.articleaside__more a span { color: var(--blue); }

/* ── 选型 ───────────────────────────────────────────── */
.selectorbar { display: grid; grid-template-columns: repeat(5, 1fr) 1.4fr auto; gap: 12px; align-items: end; border: 1px solid var(--line); background: var(--paper); padding: 18px; margin-bottom: 26px; }
.selectfield { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.selectfield span { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.selectfield select, .selectfield input { width: 100%; height: 42px; border: 1px solid var(--line-strong); background: var(--white); padding: 0 10px; font: inherit; font-size: 13px; color: var(--ink); min-width: 0; }
.selectfield--wide { min-width: 0; }
.selectorresult__bar { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: var(--muted); margin-bottom: 18px; }
.selectorresult__bar strong { font-family: var(--font-mono); font-size: 16px; color: var(--navy); }

/* ── 关于 ───────────────────────────────────────────── */
.aboutfacts { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 32px; min-width: 300px; }
.aboutfacts span { display: block; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.aboutfacts strong { display: block; font-size: 13.5px; font-weight: 600; color: var(--navy); line-height: 1.4; margin-top: 3px; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.value { padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value__n { font-family: var(--font-mono); font-size: 10px; color: var(--green-dark); }
.value h3 { margin: 10px 0 10px; font-size: 20px; }
.value p { font-size: 14px; color: var(--muted); margin: 0; }
.timeline { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.timeline li { display: grid; grid-template-columns: 120px 1fr; gap: 32px; padding: 18px 0; border-bottom: 1px solid var(--line); margin: 0; }
.timeline__year { font-family: var(--font-mono); font-size: 16px; color: var(--blue); }
.timeline p { margin: 0; font-size: 14.5px; color: var(--ink-2); }
.certrow { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.certblk { display: flex; gap: 18px; align-items: center; border: 1px solid var(--line); background: var(--white); padding: 20px; }
.certblk__badge { flex: none; width: 62px; height: 62px; background: var(--navy); color: var(--white); display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 11px; }
.certblk h3 { font-size: 16px; margin-bottom: 4px; }
.certblk p { font-size: 13px; color: var(--muted); margin: 0; }
.chinablock { display: grid; grid-template-columns: 300px 1fr; gap: 48px; }
.chinablock__body p { color: var(--ink-2); font-size: 15px; }
.chinablock__contact { margin-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; padding-top: 20px; border-top: 1px solid var(--line); }
.chinablock__contact span { display: block; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.chinablock__contact strong, .chinablock__contact a, .chinablock__contact div > span:last-child { font-size: 13.5px; color: var(--navy); }

/* ── 联系 / 表单 ────────────────────────────────────── */
.contactquick { display: flex; gap: 28px; flex-wrap: wrap; align-items: flex-end; }
.contactquick a, .contactquick div { display: flex; flex-direction: column; gap: 2px; }
.contactquick span { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.contactquick strong { font-size: 15px; color: var(--navy); }
.contactwrap { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.contactform { border: 1px solid var(--line); background: var(--white); padding: 32px; }
.contactform h2 { margin-bottom: 8px; }
.contactform__lead { font-size: 13.5px; color: var(--muted); margin-bottom: 24px; }
.formgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field > span { font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.field input, .field textarea { width: 100%; border: 1px solid var(--line-strong); background: var(--white); padding: 11px 12px; font: inherit; font-size: 14.5px; color: var(--ink); border-radius: 0; }
.field textarea { resize: vertical; min-height: 140px; }
.field input:focus, .field textarea:focus { border-color: var(--blue); outline: 0; box-shadow: 0 0 0 3px rgba(1,100,166,.12); }
.req { color: var(--orange); }
.check { display: flex; gap: 10px; align-items: flex-start; margin: 16px 0; font-size: 12.5px; color: var(--muted); }
.check input { margin-top: 4px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.formactions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.formhint { font-size: 12px; color: var(--muted); }
.formstatus { margin-top: 16px; font-size: 14px; }
.formstatus.is-ok { color: var(--green-dark); padding: 12px 14px; background: rgba(100,200,100,.1); border-left: 3px solid var(--green); }
.formstatus.is-error { color: var(--red); padding: 12px 14px; background: rgba(198,40,40,.06); border-left: 3px solid var(--red); }
.contactaside { display: flex; flex-direction: column; gap: 16px; }
.contactcard { border: 1px solid var(--line); background: var(--white); padding: 22px; }
.contactcard h3 { font-size: 15px; margin-bottom: 14px; }
.contactcard dl { margin: 0; }
.contactcard dl > div { padding: 9px 0; border-bottom: 1px solid var(--line-soft); }
.contactcard dt { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.contactcard dd { margin: 2px 0 0; font-size: 13.5px; color: var(--navy); }
.contactcard p { font-size: 13.5px; color: var(--muted); margin-bottom: 12px; }
.contactcard--tint { background: var(--paper); }

/* ── 法务 / 搜索 / 404 ──────────────────────────────── */
.legal { max-width: 78ch; }
.legal__block { padding: 22px 0; border-bottom: 1px solid var(--line-soft); }
.legal__block h2 { font-size: 18px; margin-bottom: 10px; }
.legal__block p { font-size: 15px; color: var(--ink-2); }
.legal__contact { margin-top: 26px; font-size: 13px; color: var(--muted); }
.searchpage { display: flex; gap: 12px; margin-top: 28px; max-width: 780px; }
.searchpage__chips { margin-top: 14px; font-size: 12px; color: var(--muted); }
.searchstatus { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.searchresults { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.searchitem { display: grid; grid-template-columns: 90px 1fr auto; gap: 20px; align-items: baseline; padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
.searchitem__type { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); }
.searchitem__title { font-size: 16px; font-weight: 600; color: var(--navy); }
.searchitem__sub { display: block; font-size: 12.5px; color: var(--muted); }
.searchitem__art { font-family: var(--font-mono); font-size: 11px; color: var(--muted); }
.notfound { padding: 96px 0 120px; background: var(--paper); }
.notfound__inner { display: grid; grid-template-columns: 240px 1fr; gap: 56px; align-items: center; }
.notfound__code { font-family: var(--font-mono); font-size: 120px; line-height: .9; color: var(--line-strong); letter-spacing: -.04em; }
.notfound h1 { margin-bottom: 14px; }
.notfound p { max-width: 52ch; color: var(--muted); }
.notfound__actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 26px 0 22px; }
.notfound__links { font-size: 12.5px; color: var(--muted); display: flex; gap: 14px; flex-wrap: wrap; }

/* ── 页脚 / CTA ─────────────────────────────────────── */
.ctaband { background: var(--paper-2); border-top: 1px solid var(--line); padding: 48px 0; }
.ctaband__inner { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.ctaband__kicker { font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; color: var(--blue); margin-bottom: 8px; }
.ctaband h2 { font-size: 26px; margin-bottom: 8px; }
.ctaband p { font-size: 13.5px; color: var(--muted); max-width: 60ch; margin: 0; }
.ctaband__actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ctaband__phone { font-family: var(--font-mono); font-size: 15px; color: var(--navy); margin-left: 6px; }
.footer { background: var(--navy-3); color: rgba(255,255,255,.72); padding: 56px 0 0; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 40px; }
.footer__brand img { width: 159px; margin-bottom: 16px; }
.footer__position { font-size: 14px; color: rgba(255,255,255,.85); margin-bottom: 6px; }
.footer__operator { font-size: 12.5px; color: rgba(255,255,255,.55); }
.footer__note { margin-top: 16px; font-size: 11px; line-height: 1.7; color: rgba(255,255,255,.4); max-width: 46ch; }
.footer h3 { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: 14px; font-weight: 600; }
.footer__col { display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.footer__col a { color: rgba(255,255,255,.76); display: flex; justify-content: space-between; gap: 8px; }
.footer__col a span { font-family: var(--font-mono); font-size: 10px; color: rgba(255,255,255,.35); }
.footer__col a:hover { color: var(--white); }
.footer__more { color: var(--sky) !important; }
.footer__contact span { color: rgba(255,255,255,.62); font-size: 12.5px; }
.footer__inquiry { margin-top: 6px; color: var(--green) !important; }
.footer__bottom { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding: 16px 0 22px; border-top: 1px solid rgba(255,255,255,.1); font-size: 11px; color: rgba(255,255,255,.42); }
.footer__legal { display: flex; gap: 16px; }
.footer__legal a { color: rgba(255,255,255,.55); }
.footer__source { max-width: 46ch; }

.skip { position: absolute; left: -9999px; top: 0; z-index: 100; background: var(--white); color: var(--navy); padding: 10px 16px; }
.skip:focus { left: 12px; top: 12px; }

/* ── 产品索引表 / 选型行 ─────────────────────────────── */
.ptablewrap { border: 1px solid var(--line); background: var(--white); overflow: auto; }
.ptable { width: 100%; border-collapse: collapse; }
.ptable thead th {
  position: sticky; top: 0; z-index: 1;
  text-align: left; background: var(--paper);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em;
  color: var(--muted); padding: 10px 14px; border-bottom: 1px solid var(--line);
  text-transform: uppercase;
}
.ptable td { padding: 10px 14px; border-bottom: 1px solid var(--line-soft); font-size: 13.5px; }
.ptable tbody tr:hover td { background: var(--paper); }
.ptable td a { color: var(--navy); font-weight: 600; }
.ptable td a:hover { color: var(--blue); }
.ptable__cat { color: var(--muted); white-space: nowrap; }
.ptable__spec { font-family: var(--font-mono); font-size: 11px; color: var(--muted); }
.ptable__dl { width: 78px; }
.selrows { border-top: 1px solid var(--line); }
.selrow {
  display: grid;
  grid-template-columns: 64px 128px 1fr 1.35fr 96px 22px;
  gap: 16px; align-items: center;
  padding: 8px 6px; border-bottom: 1px solid var(--line-soft);
  color: var(--ink); background: var(--white);
}
.selrow:hover { background: var(--paper); }
.selrow__img { width: 64px; height: 52px; background: var(--white); display: flex; align-items: center; justify-content: center; padding: 3px; }
.selrow__img img { width: 100%; height: 100%; object-fit: contain; }
.selrow__model { font-size: 13.5px; font-weight: 600; color: var(--navy); }
.selrow__name { font-size: 13px; color: var(--ink-2); }
.selrow__spec { font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); }
.selrow__cat { font-size: 11px; color: var(--blue); text-align: right; }
.selrow__arrow { color: var(--blue); text-align: right; }

/* ── 响应式 ─────────────────────────────────────────── */
@media (max-width: 1180px) {
  .nav { gap: 16px; }
  .nav__link { font-size: 13.5px; }
  .hero__grid { gap: 32px; }
  .pgrid--5 { grid-template-columns: repeat(4, 1fr); }
  .cataloggrid { grid-template-columns: repeat(4, 1fr); }
  .selectorbar { grid-template-columns: repeat(3, 1fr); }
  .selectorbar .btn { grid-column: 3; }
}
@media (max-width: 1024px) {
  .section { padding: 68px 0; }
  .hero__grid { grid-template-columns: 1fr; padding: 56px 0 40px; }
  .hero__stage { min-height: 400px; max-width: 620px; }
  .hero__rail { grid-template-columns: repeat(2, 1fr); }
  .hero__rail a:nth-child(2) { border-right: 0; }
  .hero__rail a:nth-child(1), .hero__rail a:nth-child(2) { border-bottom: 1px solid var(--line-light); }
  .stats { max-width: 640px; }
  .catgrid { grid-template-columns: repeat(2, 1fr); }
  .pgrid { grid-template-columns: repeat(3, 1fr); }
  .pgrid--5 { grid-template-columns: repeat(3, 1fr); }
  .cataloggrid { grid-template-columns: repeat(3, 1fr); }
  .why { grid-template-columns: 1fr; gap: 36px; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split--reverse .split__media { order: 0; }
  .quickfacts { grid-template-columns: repeat(3, 1fr); }
  .pagehead__grid { grid-template-columns: 1fr; gap: 28px; }
  .pagehead__media { display: none; }
  .phead__grid { grid-template-columns: 1fr; gap: 32px; }
  .pbody { grid-template-columns: 1fr; gap: 32px; }
  .pbody__aside { flex-direction: row; }
  .pbody__aside > * { flex: 1; }
  .specwrap__grid { grid-template-columns: 1fr; gap: 28px; }
  .specwrap__aside { flex-direction: row; }
  .specwrap__aside > * { flex: 1; }
  .articlewrap { grid-template-columns: 1fr; gap: 32px; }
  .contactwrap { grid-template-columns: 1fr; }
  .contactaside { flex-direction: row; flex-wrap: wrap; }
  .contactaside > * { flex: 1 1 240px; }
  .customhero__grid { grid-template-columns: 1fr; gap: 32px; }
  .customhero__art { max-width: 560px; }
  .capwrap { grid-template-columns: 1fr; gap: 32px; }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .chinablock { grid-template-columns: 1fr; gap: 20px; }
  .approw { grid-template-columns: 240px 1fr; gap: 28px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .ctaband__inner { flex-direction: column; align-items: flex-start; gap: 22px; }
  .notfound__inner { grid-template-columns: 1fr; gap: 20px; }
  .notfound__code { font-size: 80px; }
}
@media (max-width: 860px) {
  .header__inner { min-height: 66px; gap: 16px; }
  .nav {
    position: fixed;
    inset: 100px 0 auto 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 16px;
    margin: 0;
    display: none;
    box-shadow: 0 20px 40px rgba(0,46,77,.12);
    max-height: calc(100vh - 100px);
    overflow: auto;
  }
  .nav.is-open { display: flex; }
  .nav__link { padding: 13px 0; border-bottom: 1px solid var(--line-soft); font-size: 15px; }
  .nav__link::after { display: none; }
  .nav__link.is-active { color: var(--blue); }
  .menu-btn { display: flex; }
  .header__cta { display: none; }
  .logo img { width: 136px; }
  .topbar__tag { font-size: 11px; }
  .topbar__links a:last-child { display: none; }
  .shead { grid-template-columns: 1fr; gap: 10px; }
  .shead__kicker { padding-top: 0; }
  .lanes { grid-template-columns: 1fr; }
  .appgrid { grid-template-columns: 1fr; }
  .knowgrid, .knowgrid--index { grid-template-columns: 1fr 1fr; }
  .seriesgrid { grid-template-columns: 1fr; }
  .pgrid, .pgrid--5 { grid-template-columns: repeat(2, 1fr); }
  .cataloggrid { grid-template-columns: repeat(2, 1fr); }
  .applist .approw { grid-template-columns: 180px 1fr; }
  .values { grid-template-columns: 1fr; }
  .certrow { grid-template-columns: 1fr; }
  .certgrid { grid-template-columns: 1fr; }
  .pbody__aside, .specwrap__aside, .contactaside { flex-direction: column; }
  .customend { flex-direction: column; align-items: flex-start; }
  .selectorbar { grid-template-columns: 1fr 1fr; }
  .selectorbar .btn { grid-column: auto; }
  .aboutfacts { min-width: 0; }
  .timeline li { grid-template-columns: 90px 1fr; gap: 18px; }
  .searchitem { grid-template-columns: 74px 1fr; }
  .searchitem__art { display: none; }
}
@media (max-width: 600px) {
  .wrap { width: calc(100% - 32px); }
  .section { padding: 52px 0; }
  .hero__grid { padding: 40px 0 32px; }
  .hero__copy h1 { font-size: 2.5rem; }
  .hero__lead { font-size: 15.5px; }
  .stats { grid-template-columns: 1fr 1fr; gap: 14px; }
  .hero__stage { min-height: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; max-width: none; }
  .specimen { position: static; width: auto !important; }
  .specimen--main { grid-column: 1 / -1; aspect-ratio: 16/9; }
  .specimen--a { grid-column: 1 / -1; aspect-ratio: 16/9; }
  .specimen--b { display: none; }
  .hero__gridline { display: none; }
  .hero__rail a { font-size: 12.5px; }
  .catgrid { grid-template-columns: 1fr; }
  .catcard { grid-template-columns: 64px 1fr auto; }
  .catcard__img { width: 64px; height: 52px; }
  .pgrid, .pgrid--5 { grid-template-columns: 1fr; }
  .knowgrid, .knowgrid--index { grid-template-columns: 1fr; }
  .cataloggrid { grid-template-columns: 1fr 1fr; }
  .quickfacts { grid-template-columns: 1fr 1fr; }
  .pagehead { padding: 20px 0 36px; }
  .pagehead__stats { grid-template-columns: 1fr 1fr; gap: 16px; }
  .filterpanel__row { flex-direction: column; align-items: stretch; gap: 10px; }
  .phead { padding-top: 20px; }
  .phead__actions .btn { width: 100%; }
  .pbody__cols { grid-template-columns: 1fr; gap: 20px; }
  .pmeta { grid-template-columns: 1fr; }
  .specwrap__head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .specwrap__head p { text-align: left; }
  .spec-table th { width: 44%; padding: 9px 10px; font-size: 12.5px; }
  .spec-table td { padding: 9px 10px; font-size: 13.5px; }
  .seriescard { grid-template-columns: 36px 1fr 24px; padding: 20px; }
  .seriescard__name { font-size: 18px; }
  .approw { grid-template-columns: 1fr; gap: 16px; padding: 24px 0; }
  .approw__media { max-width: 260px; }
  .principles { grid-template-columns: 1fr; }
  .step { grid-template-columns: 52px 1fr; gap: 16px; }
  .step__n { font-size: 20px; }
  .capgrid { grid-template-columns: 1fr; }
  .formgrid { grid-template-columns: 1fr; }
  .contactform { padding: 22px; }
  .ctaband h2 { font-size: 22px; }
  .ctaband__actions .btn { width: 100%; }
  .footer__grid { grid-template-columns: 1fr; gap: 26px; }
  .footer__bottom { flex-direction: column; gap: 8px; }
  .notfound { padding: 60px 0 80px; }
  .notfound__code { font-size: 64px; }
  .searchpage { flex-direction: column; }
  .searchpage .btn { width: 100%; }
  .selectorbar { grid-template-columns: 1fr 1fr; }
  .selectorbar .selectfield--wide { grid-column: 1 / -1; }
  .selectorbar .btn { grid-column: 1 / -1; }
  .dltable { max-height: 560px; }
  .dltable thead th:nth-child(3), .dltable td:nth-child(3) { display: none; }
  .ptable thead th:nth-child(3), .ptable td:nth-child(3) { display: none; }
  .ptable__spec { font-size: 10px; }
  .selrow { grid-template-columns: 52px 1fr 20px; gap: 10px; }
  .selrow__img { width: 52px; height: 46px; grid-row: 1 / 4; }
  .selrow__model { grid-column: 2; grid-row: 1; }
  .selrow__name { grid-column: 2; grid-row: 2; font-size: 12px; }
  .selrow__spec { grid-column: 2; grid-row: 3; font-size: 10px; }
  .selrow__cat { display: none; }
  .selrow__arrow { grid-column: 3; grid-row: 1 / 4; }
  .customhero { padding-bottom: 40px; }
  .customhero h1 { font-size: 2.2rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* CJK 排版：标题避免单字成行，正文避免孤行 */
h1, h2, h3, h4 { text-wrap: balance; }
p { text-wrap: pretty; }