/* ==========================================================
   康明斯发动机配件站 · 独立视觉系统（Technical Parts Index）
   只被主题模板引用，不加载 site.css；旧站样式零依赖、零影响
   ========================================================== */

:root {
  --cx-bg: #06090f;
  --cx-bg-2: #090d14;
  --cx-panel: #0c121b;
  --cx-panel-2: #101823;
  --cx-ink: #f1f5fa;
  --cx-text: #b9c4d2;
  --cx-mute: #7c8b9c;
  --cx-line: rgba(255, 255, 255, .08);
  --cx-line-2: rgba(255, 255, 255, .18);
  --cx-red: #e32119;
  --cx-red-2: #ff3b30;
  --cx-steel: #9fb0c3;
  --cx-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
  --cx-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --cx-wrap: 1280px;
  --cx-ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body.theme-cummins {
  margin: 0;
  min-height: 100vh;
  color: var(--cx-text);
  font-family: var(--cx-sans);
  font-size: 17px;
  line-height: 1.85;
  background-color: var(--cx-bg);
  background-image:
    radial-gradient(1100px 540px at 78% -8%, rgba(227, 33, 25, .13), transparent 60%),
    radial-gradient(900px 480px at 10% 6%, rgba(84, 124, 184, .10), transparent 62%),
    linear-gradient(rgba(255, 255, 255, .028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .028) 1px, transparent 1px);
  background-size: auto, auto, 56px 56px, 56px 56px;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

body.theme-cummins ::selection { background: var(--cx-red); color: #fff; }
body.theme-cummins img { max-width: 100%; display: block; }
/* 用元素选择器而非 body.class a，避免压过组件的颜色规则（按钮/导航/CTA 白字） */
a { color: inherit; text-decoration: none; }
body.theme-cummins h1,
body.theme-cummins h2,
body.theme-cummins h3,
body.theme-cummins h4 { margin: 0; color: var(--cx-ink); font-weight: 700; line-height: 1.26; letter-spacing: -.01em; }
body.theme-cummins p { margin: 0; }

body.theme-cummins a:focus-visible,
body.theme-cummins button:focus-visible,
body.theme-cummins input:focus-visible,
body.theme-cummins textarea:focus-visible,
body.theme-cummins select:focus-visible { outline: 2px solid var(--cx-red-2); outline-offset: 3px; }

.cx-wrap { width: min(var(--cx-wrap), 92vw); margin: 0 auto; }
.cx-skip {
  position: absolute; left: 50%; top: -80px; transform: translateX(-50%); z-index: 300;
  padding: 10px 24px; background: var(--cx-red); color: #fff; font-size: 14px;
  border-radius: 0 0 6px 6px; transition: top .2s var(--cx-ease);
}
.cx-skip:focus { top: 0; }

.cx-dot {
  width: 7px; height: 7px; display: inline-block; border-radius: 50%;
  background: var(--cx-red-2); box-shadow: 0 0 12px rgba(255, 59, 48, .8);
  margin-right: 9px; vertical-align: 1px;
}

/* ---------------- 顶部 ---------------- */
.cx-head {
  position: sticky; top: 0; z-index: 100;
  background: rgba(6, 9, 15, .92);
  border-bottom: 1px solid var(--cx-line);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.cx-head__top { border-bottom: 1px solid var(--cx-line); background: rgba(255, 255, 255, .015); }
.cx-head__top-in {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  min-height: 36px; font-size: 12px; color: var(--cx-mute); letter-spacing: .04em;
}
.cx-head__loc { font-family: var(--cx-mono); text-transform: uppercase; }
.cx-head__meta { display: flex; align-items: center; gap: 22px; }
.cx-head__meta a { font-family: var(--cx-mono); color: var(--cx-steel); transition: color .2s; }
.cx-head__meta a:hover { color: var(--cx-red-2); }

.cx-head__main { display: flex; align-items: center; gap: 34px; padding: 18px 0; }
.cx-logo { display: flex; align-items: center; gap: 13px; flex: 0 0 auto; }
.cx-logo__mark {
  width: 46px; height: 46px; flex: 0 0 auto; position: relative;
  display: flex; align-items: center; justify-content: center;
  background: var(--cx-red); color: #fff;
  font-family: var(--cx-mono); font-size: 22px; font-weight: 700; letter-spacing: .06em;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}
.cx-logo__text strong {
  display: block; font-family: var(--cx-mono); font-size: 17px; letter-spacing: .12em;
  color: var(--cx-ink); line-height: 1.1; font-weight: 700;
}
.cx-logo__text strong em { font-style: normal; color: var(--cx-red-2); }
.cx-logo__text small { display: block; font-size: 12px; color: var(--cx-mute); letter-spacing: .18em; margin-top: 3px; }

.cx-nav {
  display: flex; align-items: center; gap: 4px; margin-left: auto;
  scrollbar-width: thin; scrollbar-color: rgba(255, 255, 255, .22) transparent;
}
.cx-nav::-webkit-scrollbar { height: 2px; }
.cx-nav::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, .22); }
.cx-nav a {
  position: relative; padding: 8px 14px; font-size: 15px; color: var(--cx-text);
  letter-spacing: .02em; transition: color .2s var(--cx-ease);
}
.cx-nav a::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
  background: var(--cx-red); transform: scaleX(0); transform-origin: left; transition: transform .24s var(--cx-ease);
}
.cx-nav a:hover { color: #fff; }
.cx-nav a:hover::after, .cx-nav a.is-active::after { transform: scaleX(1); }
.cx-nav a.is-active { color: #fff; }

.cx-head__cta {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px; background: var(--cx-red); color: #fff;
  font-size: 14px; font-weight: 600; letter-spacing: .04em;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background .2s var(--cx-ease), transform .2s var(--cx-ease);
}
.cx-head__cta span { font-family: var(--cx-mono); }
.cx-head__cta:hover { background: var(--cx-red-2); transform: translateY(-1px); }

/* ---------------- 首页 Hero ---------------- */
.cx-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--cx-line); }
.cx-hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0 58%, rgba(227, 33, 25, .05) 58% 58.4%, transparent 58.4%),
    radial-gradient(700px 380px at 20% 110%, rgba(227, 33, 25, .10), transparent 70%);
}
.cx-hero::after {
  content: 'CUMMINS'; position: absolute; right: -1vw; bottom: -3.4vw; pointer-events: none;
  font-family: var(--cx-mono); font-size: 11vw; font-weight: 700; letter-spacing: .06em;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .07);
}
.cx-hero__in {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(380px, .82fr);
  gap: 64px; align-items: center; padding: 78px 0 86px;
}
.cx-eyebrow {
  display: flex; align-items: center; font-family: var(--cx-mono); font-size: 12px;
  letter-spacing: .22em; text-transform: uppercase; color: var(--cx-steel);
}
.cx-hero__title {
  margin: 22px 0 24px; max-width: 11em;
  font-size: clamp(40px, 4.4vw, 68px); font-weight: 800; line-height: .96; letter-spacing: -.03em;
  color: #fff;
}
.cx-hero__accent {
  display: block; margin-top: .16em;
  font-size: .62em; letter-spacing: .02em; color: var(--cx-red-2);
  text-shadow: 0 0 46px rgba(227, 33, 25, .38);
}
.cx-hero__lede { max-width: 31em; font-size: 17px; line-height: 1.9; color: var(--cx-text); }

.cx-search { margin-top: 34px; max-width: 620px; }
.cx-search__label {
  display: block; font-family: var(--cx-mono); font-size: 11px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--cx-mute); margin-bottom: 9px;
}
.cx-search__row {
  display: flex; border: 1px solid var(--cx-line-2); background: rgba(255, 255, 255, .03);
  transition: border-color .2s, box-shadow .2s;
}
.cx-search__row:focus-within { border-color: var(--cx-red); box-shadow: 0 0 0 1px rgba(227, 33, 25, .3); }
.cx-search__row input {
  flex: 1 1 auto; min-width: 0; height: 56px; padding: 0 18px; border: 0; background: transparent;
  color: var(--cx-ink); font-size: 16px; font-family: var(--cx-mono); outline: none;
}
.cx-search__row input::placeholder { color: rgba(255, 255, 255, .35); font-family: var(--cx-sans); }
.cx-search__row button {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: 12px;
  padding: 0 26px; border: 0; cursor: pointer; background: var(--cx-red); color: #fff;
  font-size: 15px; font-weight: 600; letter-spacing: .04em; transition: background .2s;
}
.cx-search__row button i { font-style: normal; font-family: var(--cx-mono); transition: transform .2s; }
.cx-search__row button:hover { background: var(--cx-red-2); }
.cx-search__row button:hover i { transform: translateX(4px); }

.cx-quick { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 20px; font-size: 13px; }
.cx-quick__label { font-family: var(--cx-mono); font-size: 11px; letter-spacing: .16em; color: var(--cx-mute); text-transform: uppercase; }
.cx-quick a {
  padding: 5px 11px; border: 1px solid var(--cx-line-2); color: var(--cx-steel);
  font-family: var(--cx-mono); font-size: 12px; transition: .2s;
}
.cx-quick a:hover { border-color: var(--cx-red); color: #fff; background: rgba(227, 33, 25, .12); }
.cx-quick__more { border-color: transparent !important; color: var(--cx-red-2) !important; }

/* 机型矩阵 */
.cx-matrix { border: 1px solid var(--cx-line-2); background: rgba(10, 15, 23, .72); position: relative; }
.cx-matrix::before,
.cx-matrix::after {
  content: ''; position: absolute; width: 18px; height: 18px; pointer-events: none;
  border: 2px solid var(--cx-red);
}
.cx-matrix::before { left: -1px; top: -1px; border-right: 0; border-bottom: 0; }
.cx-matrix::after { right: -1px; bottom: -1px; border-left: 0; border-top: 0; }
.cx-matrix__head {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--cx-line);
  font-family: var(--cx-mono); font-size: 11px; letter-spacing: .2em; color: var(--cx-mute);
}
.cx-matrix__head em { font-style: normal; color: var(--cx-steel); letter-spacing: .08em; }
.cx-matrix__grid { display: grid; grid-template-columns: 1fr 1fr; }
.cx-matrix__cell {
  position: relative; display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 112px; padding: 18px 20px; border-right: 1px solid var(--cx-line); border-bottom: 1px solid var(--cx-line);
  transition: background .24s var(--cx-ease);
}
.cx-matrix__cell:nth-child(2n) { border-right: 0; }
.cx-matrix__cell:nth-last-child(-n+2) { border-bottom: 0; }
.cx-matrix__cell b {
  font-family: var(--cx-mono); font-size: 25px; letter-spacing: .04em; color: var(--cx-ink); line-height: 1.1;
}
.cx-matrix__cell em { font-style: normal; font-size: 11px; color: var(--cx-mute); letter-spacing: .08em; margin-top: 6px; }
.cx-matrix__idx {
  position: absolute; left: 20px; top: 14px; font-family: var(--cx-mono); font-size: 10px;
  letter-spacing: .12em; color: rgba(255, 255, 255, .28);
}
.cx-matrix__cell i {
  position: absolute; right: 18px; bottom: 16px; font-style: normal; font-family: var(--cx-mono);
  color: var(--cx-red-2); opacity: 0; transform: translateX(-6px); transition: .24s var(--cx-ease);
}
.cx-matrix__cell:hover { background: rgba(227, 33, 25, .10); }
.cx-matrix__cell:hover b { color: #fff; }
.cx-matrix__cell:hover i { opacity: 1; transform: translateX(0); }
.cx-matrix__foot {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  padding: 14px 20px; border-top: 1px solid var(--cx-line); font-size: 12px; color: var(--cx-mute);
}
.cx-matrix__foot a { font-family: var(--cx-mono); color: var(--cx-red-2); }

/* 走马灯 */
.cx-ticker { overflow: hidden; border-bottom: 1px solid var(--cx-line); background: rgba(255, 255, 255, .02); }
.cx-ticker__track {
  display: flex; width: max-content; animation: cx-marquee 30s linear infinite;
}
.cx-ticker__track span {
  position: relative; padding: 11px 0 11px 30px;
  font-family: var(--cx-mono); font-size: 11px; letter-spacing: .18em; color: var(--cx-mute); white-space: nowrap;
}
.cx-ticker__track span::before {
  content: ''; position: absolute; left: 14px; top: 50%; width: 4px; height: 4px; margin-top: -2px;
  background: var(--cx-red); border-radius: 50%;
}
@keyframes cx-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .cx-ticker__track { animation: none; } }

/* ---------------- 通用区块 ---------------- */
.cx-sec { padding: 84px 0; }
.cx-sec--alt {
  border-top: 1px solid var(--cx-line); border-bottom: 1px solid var(--cx-line);
  background: linear-gradient(180deg, rgba(255, 255, 255, .022), rgba(255, 255, 255, .008));
}
.cx-sec__head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px;
  margin-bottom: 34px; padding-bottom: 18px; border-bottom: 1px solid var(--cx-line);
}
.cx-sec__no {
  display: block; font-family: var(--cx-mono); font-size: 11px; letter-spacing: .2em;
  color: var(--cx-red-2); text-transform: uppercase; margin-bottom: 10px;
}
.cx-sec__head h2 { font-size: clamp(24px, 2.4vw, 34px); font-weight: 700; }
.cx-sec__note { font-family: var(--cx-mono); font-size: 11px; letter-spacing: .14em; color: var(--cx-mute); }
.cx-link {
  display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto;
  font-family: var(--cx-mono); font-size: 12px; letter-spacing: .12em; color: var(--cx-steel);
  border-bottom: 1px solid transparent; padding-bottom: 3px; transition: .2s;
}
.cx-link:hover { color: var(--cx-red-2); border-color: var(--cx-red); }
.cx-link--mt { margin-top: 24px; }

/* 按用途选件 */
.cx-uses {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--cx-line); border: 1px solid var(--cx-line);
}
.cx-use {
  position: relative; display: flex; flex-direction: column; min-height: 156px;
  padding: 20px 20px 22px; background: var(--cx-bg); transition: background .24s var(--cx-ease);
}
.cx-use::before {
  content: ''; position: absolute; left: 0; top: 0; right: 0; height: 2px;
  background: var(--cx-red); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--cx-ease);
}
.cx-use__idx { font-family: var(--cx-mono); font-size: 10px; letter-spacing: .12em; color: var(--cx-mute); }
.cx-use__en {
  margin-top: 18px; font-family: var(--cx-mono); font-size: 10px; letter-spacing: .2em; color: var(--cx-red-2);
}
.cx-use b { margin-top: 4px; font-size: 21px; color: var(--cx-ink); letter-spacing: 0; }
.cx-use em {
  margin-top: 8px; font-style: normal; font-family: var(--cx-mono); font-size: 10px;
  line-height: 1.7; color: var(--cx-mute); letter-spacing: .02em; word-break: break-word;
}
.cx-use i {
  position: absolute; right: 18px; bottom: 18px; font-style: normal; font-family: var(--cx-mono);
  color: var(--cx-red-2); opacity: .45; transition: .24s var(--cx-ease);
}
.cx-use:hover { background: rgba(227, 33, 25, .08); }
.cx-use:hover::before { transform: scaleX(1); }
.cx-use:hover i { opacity: 1; transform: translateX(4px); }

/* 现货推荐（非对称） */
.cx-feature { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 28px; }
.cx-feature--single { grid-template-columns: 1fr; }
.cx-feature__lead {
  display: flex; flex-direction: column; border: 1px solid var(--cx-line);
  background: var(--cx-panel); transition: border-color .24s, transform .24s var(--cx-ease);
}
.cx-feature__lead:hover { border-color: rgba(227, 33, 25, .55); transform: translateY(-3px); }
.cx-feature__media {
  position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px) 0 0/32px 32px,
    linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px) 0 0/32px 32px,
    #0a0f16;
  border-bottom: 1px solid var(--cx-line);
}
.cx-feature__media img { width: 100%; height: 100%; object-fit: contain; }
.cx-feature__tag {
  position: absolute; left: 0; top: 0; padding: 6px 13px; background: var(--cx-red); color: #fff;
  font-family: var(--cx-mono); font-size: 10px; letter-spacing: .16em;
}
.cx-feature__body { display: block; padding: 26px 28px 30px; }
.cx-feature__spec { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 12px; }
.cx-feature__spec b { font-family: var(--cx-mono); font-size: 12px; letter-spacing: .12em; color: var(--cx-red-2); }
.cx-feature__spec i { font-style: normal; font-family: var(--cx-mono); font-size: 12px; letter-spacing: .1em; color: var(--cx-mute); }
.cx-feature__body h3 { font-size: clamp(21px, 2vw, 28px); line-height: 1.3; margin-bottom: 10px; }
.cx-feature__body p { font-size: 14px; color: var(--cx-mute); line-height: 1.8; }
.cx-feature__more {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 22px;
  font-size: 14px; font-weight: 600; color: var(--cx-ink);
}
.cx-feature__more i { font-style: normal; font-family: var(--cx-mono); color: var(--cx-red-2); transition: transform .2s; }
.cx-feature__lead:hover .cx-feature__more i { transform: translateX(5px); }

.cx-rows { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; border-top: 1px solid var(--cx-line); }
.cx-row { border-bottom: 1px solid var(--cx-line); }
.cx-row a {
  display: grid; grid-template-columns: 34px 66px minmax(0, 1fr) 26px; align-items: center;
  gap: 16px; padding: 13px 8px 13px 0; transition: .22s var(--cx-ease);
}
.cx-row:first-child { border-top: 0; }
.cx-row a:hover { background: rgba(227, 33, 25, .06); padding-left: 10px; }
.cx-row__no { font-family: var(--cx-mono); font-size: 11px; color: rgba(255, 255, 255, .26); letter-spacing: .08em; }
.cx-row__thumb {
  width: 66px; height: 56px; display: flex; align-items: center; justify-content: center;
  background: #0a0f16; border: 1px solid var(--cx-line); overflow: hidden;
}
.cx-row__thumb img { width: 100%; height: 100%; object-fit: contain; }
.cx-row__main { min-width: 0; }
.cx-row__main b {
  display: block; font-size: 15px; font-weight: 600; color: var(--cx-ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cx-row__main em { display: block; font-style: normal; font-family: var(--cx-mono); font-size: 11px; color: var(--cx-mute); letter-spacing: .08em; margin-top: 3px; }
.cx-row__go { font-family: var(--cx-mono); color: var(--cx-red-2); text-align: right; opacity: .5; transition: .2s; }
.cx-row a:hover .cx-row__go { opacity: 1; transform: translateX(3px); }
.cx-rows--wide .cx-row a { padding-top: 18px; padding-bottom: 18px; grid-template-columns: 34px 84px minmax(0, 1fr) 26px; }
.cx-rows--wide .cx-row__thumb { width: 84px; height: 68px; }

/* 流程 */
.cx-flow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--cx-line); }
.cx-flow__step {
  position: relative; padding: 34px 30px 34px 0; border-bottom: 1px solid var(--cx-line);
  border-right: 1px solid var(--cx-line);
}
.cx-flow__step:nth-child(3n) { border-right: 0; padding-right: 0; }
.cx-flow__no {
  display: block; font-family: var(--cx-mono); font-size: 52px; line-height: 1; letter-spacing: -.02em;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .22); margin-bottom: 18px;
}
.cx-flow__step h3 { font-size: 19px; margin-bottom: 10px; }
.cx-flow__step p { font-size: 13px; color: var(--cx-mute); line-height: 1.85; }
.cx-flow__step:nth-child(3n+2) { padding-left: 30px; }
.cx-flow__step:nth-child(3n+1) { padding-left: 0; }
.cx-flow__assure {
  grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--cx-line);
}
.cx-flow__assure div { padding: 22px 0; border-right: 1px solid var(--cx-line); }
.cx-flow__assure div:not(:first-child) { padding-left: 28px; }
.cx-flow__assure div:last-child { border-right: 0; }
.cx-flow__assure b {
  display: block; font-family: var(--cx-mono); font-size: 12px; letter-spacing: .14em;
  color: var(--cx-ink); text-transform: uppercase;
}
.cx-flow__assure span { display: block; font-size: 12px; color: var(--cx-mute); margin-top: 6px; }

/* 资讯 + 关于 */
.cx-two { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 72px; }
.cx-two__aside { border-left: 1px solid var(--cx-line); padding-left: 44px; }
.cx-two__aside h2 { font-size: 24px; margin-bottom: 18px; }
.cx-two__aside .cx-link { margin-top: 22px; }
.cx-notes { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--cx-line); }
.cx-notes li { border-bottom: 1px solid var(--cx-line); }
.cx-notes a {
  display: grid; grid-template-columns: 110px minmax(0, 1fr) 26px; align-items: center;
  gap: 18px; padding: 17px 4px 17px 0; transition: .2s;
}
.cx-notes a:hover { background: rgba(227, 33, 25, .05); padding-left: 10px; }
.cx-notes__date { font-family: var(--cx-mono); font-size: 11px; color: var(--cx-mute); letter-spacing: .08em; }
.cx-notes__title { font-size: 15px; color: var(--cx-ink); min-width: 0; }
.cx-notes__title b { display: block; font-weight: 600; }
.cx-notes__title em {
  display: block; font-style: normal; font-size: 12px; color: var(--cx-mute);
  margin-top: 5px; line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.cx-notes__go { font-family: var(--cx-mono); color: var(--cx-red-2); text-align: right; opacity: .5; }
.cx-notes a:hover .cx-notes__go { opacity: 1; }
.cx-notes--page a { grid-template-columns: 130px minmax(0, 1fr) 30px; padding: 24px 4px 24px 0; }
.cx-notes--page .cx-notes__title b { font-size: 18px; }
.cx-notes--page .cx-notes__title em { -webkit-line-clamp: 2; font-size: 13px; margin-top: 7px; }
.cx-notes-wrap { padding: 26px 0 90px; }

.cx-about { max-height: 300px; overflow: hidden; position: relative; font-size: 13px; }
.cx-about::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 90px;
  background: linear-gradient(transparent, var(--cx-bg) 78%); pointer-events: none;
}
.cx-sec--alt .cx-about::after { background: linear-gradient(transparent, #070b12 78%); }

/* CTA */
.cx-cta {
  position: relative; overflow: hidden; background: var(--cx-red);
  background-image: repeating-linear-gradient(135deg, rgba(0, 0, 0, .16) 0 2px, transparent 2px 14px);
}
.cx-cta::after {
  content: ''; position: absolute; right: -60px; top: -60px; width: 340px; height: 340px;
  border: 1px solid rgba(255, 255, 255, .22); transform: rotate(45deg); pointer-events: none;
}
.cx-cta__in { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding: 62px 0; }
.cx-cta__code { font-family: var(--cx-mono); font-size: 11px; letter-spacing: .22em; color: rgba(255, 255, 255, .8); }
.cx-cta__title h2 { margin-top: 14px; font-size: clamp(34px, 4vw, 56px); line-height: 1.02; color: #fff; letter-spacing: -.02em; }
.cx-cta__side p { font-size: 15px; line-height: 1.85; color: rgba(255, 255, 255, .86); }
.cx-cta__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }

.cx-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; background: #fff; color: #111;
  font-size: 14px; font-weight: 700; letter-spacing: .02em; border: 1px solid #fff;
  transition: .2s var(--cx-ease);
}
.cx-btn:hover { transform: translateY(-2px); background: var(--cx-ink); }
.cx-btn--line { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.cx-btn--line:hover { background: rgba(255, 255, 255, .12); border-color: #fff; color: #fff; }
.cx-catalog ~ .cx-sec .cx-btn, .cx-empty .cx-btn { border-color: var(--cx-line-2); background: transparent; color: var(--cx-ink); }
.cx-empty .cx-btn:hover { background: var(--cx-red); border-color: var(--cx-red); color: #fff; }

/* ---------------- 页脚 ---------------- */
.cx-foot { border-top: 1px solid var(--cx-line); background: #04070c; }
.cx-foot__top { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; padding: 54px 0 44px; }
.cx-foot__brand { display: flex; gap: 16px; align-items: flex-start; }
.cx-foot__brand strong { display: block; font-family: var(--cx-mono); font-size: 15px; letter-spacing: .16em; color: var(--cx-ink); }
.cx-foot__brand p { font-size: 13px; color: var(--cx-mute); margin-top: 8px; }
.cx-foot__line { display: block; margin-top: 14px; font-family: var(--cx-mono); font-size: 10px; letter-spacing: .14em; color: var(--cx-mute); }
.cx-foot__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cx-foot__ctitle {
  display: block; font-family: var(--cx-mono); font-size: 11px; letter-spacing: .18em;
  color: var(--cx-steel); text-transform: uppercase; margin-bottom: 14px;
}
.cx-foot__cols ul { list-style: none; margin: 0; padding: 0; }
.cx-foot__cols li { font-size: 12px; color: var(--cx-mute); line-height: 2; }
.cx-foot__cols a { color: var(--cx-text); transition: color .2s; }
.cx-foot__cols a:hover { color: var(--cx-red-2); }
.cx-foot__bottom { border-top: 1px solid var(--cx-line); }
.cx-foot__bottom-in {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  padding: 16px 0; font-size: 11px; color: rgba(255, 255, 255, .58); font-family: var(--cx-mono); letter-spacing: .04em;
}
.cx-foot__legal a { color: inherit; margin-left: 16px; }
.cx-foot__legal a:hover { color: var(--cx-red-2); }
.cx-foot__note {
  flex: 0 0 100%; font-size: 11px; line-height: 1.7; color: rgba(255, 255, 255, .58);
  padding-top: 10px; margin-top: 4px; border-top: 1px solid var(--cx-line);
}

/* ---------------- 列表页 ---------------- */
.cx-band {
  border-bottom: 1px solid var(--cx-line);
  background:
    radial-gradient(620px 260px at 85% 0%, rgba(227, 33, 25, .12), transparent 65%),
    linear-gradient(180deg, rgba(255, 255, 255, .03), transparent);
}
.cx-band__in { padding: 30px 0 38px; position: relative; overflow: hidden; }
.cx-band--tight .cx-band__in { padding-bottom: 28px; }
.cx-crumb { display: flex; flex-wrap: wrap; gap: 10px; font-family: var(--cx-mono); font-size: 11px; letter-spacing: .1em; color: var(--cx-mute); }
.cx-crumb a:hover { color: var(--cx-red-2); }
.cx-crumb b { color: var(--cx-steel); font-weight: 500; }
.cx-band__row { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-top: 26px; }
.cx-band__row h1 { font-size: clamp(28px, 3.2vw, 44px); margin-top: 8px; letter-spacing: -.02em; }
.cx-band__mark {
  flex: 0 0 auto; text-align: right; font-family: var(--cx-mono); font-size: 12px; line-height: 1.5;
  letter-spacing: .26em; color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .16);
}
.cx-band__lede { max-width: 46em; margin-top: 16px; font-size: 13px; color: var(--cx-mute); }
.cx-band__lede a { color: var(--cx-red-2); font-family: var(--cx-mono); }

.cx-catalog { display: grid; grid-template-columns: 268px minmax(0, 1fr); gap: 56px; padding: 44px 0 90px; }
.cx-filter { align-self: start; position: sticky; top: 148px; }
.cx-filter__search label {
  display: block; font-family: var(--cx-mono); font-size: 10px; letter-spacing: .18em;
  color: var(--cx-mute); text-transform: uppercase; margin-bottom: 8px;
}
.cx-filter__search > div { display: flex; border: 1px solid var(--cx-line-2); }
.cx-filter__search input {
  flex: 1 1 auto; min-width: 0; height: 42px; padding: 0 12px; border: 0; outline: none;
  background: rgba(255, 255, 255, .03); color: var(--cx-ink); font-family: var(--cx-mono); font-size: 13px;
}
.cx-filter__search button {
  flex: 0 0 auto; padding: 0 14px; border: 0; background: var(--cx-red); color: #fff;
  font-size: 13px; font-weight: 600; cursor: pointer;
}
.cx-filter__block { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--cx-line); }
.cx-filter__block h3 {
  font-family: var(--cx-mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--cx-steel); margin-bottom: 14px;
}
.cx-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.cx-chips a {
  padding: 6px 10px; border: 1px solid var(--cx-line-2); font-family: var(--cx-mono); font-size: 11px;
  letter-spacing: .08em; color: var(--cx-steel); transition: .2s;
}
.cx-chips a:hover { border-color: var(--cx-red); color: #fff; }
.cx-chips a.is-active { background: var(--cx-red); border-color: var(--cx-red); color: #fff; }
.cx-filter__list { list-style: none; margin: 0; padding: 0; }
.cx-filter__list li { border-bottom: 1px solid var(--cx-line); }
.cx-filter__list a {
  display: flex; justify-content: space-between; gap: 10px; padding: 9px 0;
  font-size: 13px; color: var(--cx-text); transition: .2s;
}
.cx-filter__list a:hover { color: var(--cx-red-2); }
.cx-filter__list span { font-family: var(--cx-mono); font-size: 11px; color: var(--cx-mute); }
.cx-filter__list li.is-active a { color: #fff; }
.cx-filter__list li.is-active a::before {
  content: ''; width: 3px; align-self: center; background: var(--cx-red); margin-right: -6px; height: 14px;
}
.cx-filter__call {
  margin-top: 30px; padding: 20px; border: 1px solid var(--cx-line-2);
  background: linear-gradient(160deg, rgba(227, 33, 25, .1), transparent 70%);
}
.cx-filter__call span { display: block; font-size: 12px; color: var(--cx-mute); }
.cx-filter__call b { display: block; font-family: var(--cx-mono); font-size: 19px; color: var(--cx-ink); margin: 8px 0 10px; letter-spacing: .02em; }
.cx-filter__call a { display: block; font-size: 12px; color: var(--cx-red-2); line-height: 2; }

.cx-searchbar {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px;
  padding: 12px 16px; margin-bottom: 18px; border-left: 2px solid var(--cx-red);
  background: rgba(227, 33, 25, .07); font-size: 13px;
}
.cx-searchbar span { font-family: var(--cx-mono); font-size: 10px; letter-spacing: .16em; color: var(--cx-mute); }
.cx-searchbar b { color: var(--cx-ink); font-family: var(--cx-mono); }
.cx-searchbar em { font-style: normal; color: var(--cx-mute); font-size: 12px; }
.cx-searchbar a { margin-left: auto; color: var(--cx-red-2); font-family: var(--cx-mono); font-size: 11px; }

.cx-catintro { padding: 18px 22px; margin-bottom: 24px; border: 1px solid var(--cx-line); background: var(--cx-panel); font-size: 13px; }

.cx-list { border-top: 1px solid var(--cx-line); }
.cx-item {
  display: grid; grid-template-columns: 132px minmax(0, 1fr) 76px; align-items: center;
  gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--cx-line);
  transition: background .2s var(--cx-ease);
}
.cx-item:hover { background: rgba(255, 255, 255, .022); }
.cx-item__media {
  width: 132px; height: 108px; display: flex; align-items: center; justify-content: center;
  overflow: hidden; background: #0a0f16; border: 1px solid var(--cx-line);
}
.cx-item__media img { width: 100%; height: 100%; object-fit: contain; transition: transform .3s var(--cx-ease); }
.cx-item:hover .cx-item__media img { transform: scale(1.04); }
.cx-item__body { min-width: 0; }
.cx-item__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.cx-chip {
  padding: 3px 9px; border: 1px solid var(--cx-line-2); font-family: var(--cx-mono);
  font-size: 10px; letter-spacing: .1em; color: var(--cx-steel); text-transform: uppercase;
}
.cx-chip--model { border-color: rgba(227, 33, 25, .5); color: var(--cx-red-2); background: rgba(227, 33, 25, .08); }
.cx-chip--ghost { color: var(--cx-mute); opacity: .8; }
.cx-item__body h3 { font-size: 18px; line-height: 1.4; margin-bottom: 6px; }
.cx-item__body h3 a:hover { color: var(--cx-red-2); }
.cx-item__body p { font-size: 14px; color: var(--cx-mute); line-height: 1.75; max-width: 46em; }
.cx-item__meta { display: block; margin-top: 10px; font-family: var(--cx-mono); font-size: 10px; letter-spacing: .12em; color: var(--cx-mute); }
.cx-item__go {
  justify-self: end; display: flex; align-items: center; gap: 8px;
  font-family: var(--cx-mono); font-size: 12px; letter-spacing: .1em; color: var(--cx-mute); transition: .2s;
}
.cx-item__go i { font-style: normal; font-size: 16px; color: var(--cx-red-2); }
.cx-item:hover .cx-item__go { color: var(--cx-red-2); }
.cx-item:hover .cx-item__go i { transform: translateX(4px); }

.cx-pager { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 36px; }
.cx-pager a, .cx-pager span {
  min-width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center;
  padding: 0 12px; border: 1px solid var(--cx-line); font-family: var(--cx-mono); font-size: 12px;
  color: var(--cx-text); transition: .2s;
}
.cx-pager a:hover { border-color: var(--cx-red); color: #fff; background: rgba(227, 33, 25, .12); }
.cx-pager .is-current { background: var(--cx-red); border-color: var(--cx-red); color: #fff; }
.cx-pager__step { letter-spacing: .06em; }
.cx-pager__dots { border-color: transparent !important; color: var(--cx-mute) !important; }

.cx-empty { padding: 40px 0; color: var(--cx-mute); font-size: 13px; }
.cx-empty--big {
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px;
  padding: 64px 32px; border: 1px dashed var(--cx-line-2); background: rgba(255, 255, 255, .02);
}
.cx-empty--big b { font-size: 20px; color: var(--cx-ink); }
.cx-empty--big p { font-size: 13px; }
.cx-empty--big .cx-btn { margin-top: 10px; }

/* ---------------- 详情页 ---------------- */
.cx-detail { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 64px; padding: 42px 0 60px; }
.cx-media-frame {
  position: relative; display: flex; align-items: center; justify-content: center;
  aspect-ratio: 4 / 3; overflow: hidden; border: 1px solid var(--cx-line);
  background:
    linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px) 0 0/34px 34px,
    linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px) 0 0/34px 34px,
    #0a0f16;
}
.cx-media-frame img { width: 100%; height: 100%; object-fit: contain; }
.cx-media-frame__corner {
  position: absolute; right: 0; bottom: 0; width: 26px; height: 26px; border-right: 2px solid var(--cx-red);
  border-bottom: 2px solid var(--cx-red); pointer-events: none;
}
.cx-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.cx-thumb { padding: 0; border: 0; background: none; line-height: 0; cursor: pointer; }
.cx-thumbs img {
  width: 78px; height: 64px; object-fit: contain; cursor: pointer; border: 1px solid var(--cx-line);
  background: #0a0f16; opacity: .55; transition: .2s;
}
.cx-thumbs img:hover { opacity: 1; }
.cx-thumbs img.is-active { opacity: 1; border-color: var(--cx-red); }
.cx-media__foot {
  display: flex; justify-content: space-between; gap: 12px; margin-top: 16px; padding-top: 14px;
  border-top: 1px solid var(--cx-line); font-family: var(--cx-mono); font-size: 10px;
  letter-spacing: .14em; color: var(--cx-mute);
}
.cx-media__status { color: var(--cx-steel); }

.cx-detail__info h1 { font-size: clamp(26px, 2.8vw, 38px); line-height: 1.24; margin: 14px 0 22px; letter-spacing: -.02em; }
.cx-spec { width: 100%; border-collapse: collapse; margin-bottom: 22px; }
.cx-spec th, .cx-spec td { padding: 11px 0; border-bottom: 1px solid var(--cx-line); text-align: left; vertical-align: top; font-size: 14px; }
.cx-spec th {
  width: 96px; font-family: var(--cx-mono); font-size: 10px; letter-spacing: .16em;
  color: var(--cx-mute); text-transform: uppercase; font-weight: 500;
}
.cx-spec td { color: var(--cx-text); font-family: var(--cx-mono); font-size: 14px; letter-spacing: .02em; }
.cx-detail__summary { font-size: 16px; line-height: 1.9; color: var(--cx-text); margin-bottom: 24px; }

.cx-quote { border: 1px solid var(--cx-line-2); border-left: 3px solid var(--cx-red); background: linear-gradient(150deg, rgba(227, 33, 25, .1), rgba(255, 255, 255, .02) 60%); padding: 24px 26px 26px; }
.cx-quote__code { font-family: var(--cx-mono); font-size: 10px; letter-spacing: .2em; color: var(--cx-red-2); }
.cx-quote h3 { font-size: 20px; margin: 8px 0 6px; }
.cx-quote p { font-size: 12px; color: var(--cx-mute); }
.cx-quote ul { list-style: none; margin: 16px 0 0; padding: 0; }
.cx-quote li { display: flex; gap: 14px; align-items: baseline; padding: 7px 0; border-top: 1px solid var(--cx-line); font-size: 13px; }
.cx-quote li span { flex: 0 0 46px; font-family: var(--cx-mono); font-size: 10px; letter-spacing: .12em; color: var(--cx-mute); }
.cx-quote li a { color: var(--cx-ink); font-family: var(--cx-mono); }
.cx-quote li a:hover { color: var(--cx-red-2); }
.cx-quote .cx-btn { margin-top: 18px; background: var(--cx-red); border-color: var(--cx-red); color: #fff; }
.cx-quote .cx-btn:hover { background: var(--cx-red-2); }

.cx-detail__body { padding: 26px 0 50px; border-top: 1px solid var(--cx-line); }
.cx-detail__body .cx-sec__head { margin-bottom: 24px; }

/* 富文本 */
.cx-prose { font-size: 16px; line-height: 1.9; color: var(--cx-text); }
.cx-prose > * + * { margin-top: 14px; }
.cx-prose h2 { font-size: 22px; margin-top: 30px; }
.cx-prose h3 { font-size: 18px; margin-top: 24px; }
.cx-prose h4 { font-size: 16px; margin-top: 20px; }
.cx-prose p { font-size: 16px; }
.cx-prose a { color: var(--cx-red-2); border-bottom: 1px solid rgba(227, 33, 25, .4); }
.cx-prose ul, .cx-prose ol { padding-left: 22px; }
.cx-prose li { margin: 6px 0; }
.cx-prose img { max-width: 100%; height: auto; margin: 18px 0; border: 1px solid var(--cx-line); background: #0a0f16; }
.cx-prose table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; }
.cx-prose th, .cx-prose td { border: 1px solid var(--cx-line); padding: 10px 12px; text-align: left; }
.cx-prose th { background: var(--cx-panel-2); color: var(--cx-ink); font-weight: 600; }
.cx-prose blockquote {
  margin: 18px 0; padding: 14px 20px; border-left: 3px solid var(--cx-red);
  background: rgba(255, 255, 255, .03); color: var(--cx-steel);
}
.cx-prose strong { color: var(--cx-ink); }

/* 文章 / 单页 / 错误 */
.cx-article { width: min(820px, 92vw); padding: 40px 0 80px; }
.cx-article__cover { margin-bottom: 26px; border: 1px solid var(--cx-line); background: #0a0f16; }
.cx-article__cover img { width: 100%; height: auto; }
.cx-prose--article { font-size: 15px; }
.cx-prose--article p { font-size: 15px; }
.cx-article__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 44px; border-top: 1px solid var(--cx-line); padding-top: 22px; }
.cx-article__nav a { display: block; }
.cx-article__nav span { display: block; font-family: var(--cx-mono); font-size: 10px; letter-spacing: .16em; color: var(--cx-mute); margin-bottom: 7px; }
.cx-article__nav b { font-size: 14px; font-weight: 600; color: var(--cx-ink); }
.cx-article__nav a:hover b { color: var(--cx-red-2); }
.cx-article__next { text-align: right; }

.cx-page { width: min(980px, 92vw); padding: 40px 0 84px; }

.cx-error { padding: 96px 0 120px; max-width: 720px; }
.cx-error__code { font-family: var(--cx-mono); font-size: 11px; letter-spacing: .24em; color: var(--cx-red-2); }
.cx-error h1 { font-size: clamp(32px, 4vw, 52px); margin: 16px 0 14px; }
.cx-error p { color: var(--cx-mute); font-size: 14px; }
.cx-error__id { font-family: var(--cx-mono); font-size: 12px; color: var(--cx-steel); margin-top: 10px; }
.cx-error__actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.cx-error .cx-btn { background: var(--cx-red); border-color: var(--cx-red); color: #fff; }
.cx-error .cx-btn--line { background: transparent; color: var(--cx-ink); border-color: var(--cx-line-2); }

/* 图片占位 */
.pc-noimg {
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%; min-height: 44px;
  font-family: var(--cx-mono); font-size: 20px; color: rgba(255, 255, 255, .22);
  background:
    linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px) 0 0/22px 22px,
    linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px) 0 0/22px 22px;
}
.pc-noimg.big { font-size: 64px; }

/* 图片容器：占位层垫底，真实图片加载失败时自动露出一行字提示，不再出现大块品牌占位图 */
.pc-media { position: relative; }
.pc-media > .pc-noimg { position: absolute; inset: 0; }
.pc-media > img { position: relative; z-index: 1; }
.cx-media-frame > img { position: relative; z-index: 1; }
.cx-media__none {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 9px; padding: 24px; text-align: center;
}
.cx-media__none b { font-size: 20px; font-weight: 600; color: var(--cx-steel); letter-spacing: .04em; }
.cx-media__none i { font-style: normal; font-size: 14px; line-height: 1.7; color: var(--cx-mute); }

/* ---------------- 字号整体上调（阅读舒适度） ---------------- */
.cx-item__body h3 { font-size: 20px; }
.cx-item__body p { font-size: 15px; }
.cx-item__meta { font-size: 12px; }
.cx-item__go { font-size: 13px; }
.cx-feature__body p { font-size: 15px; }
.cx-feature__more { font-size: 15px; }
.cx-row__main b { font-size: 16px; }
.cx-row__main em { font-size: 12px; }
.cx-flow__step h3 { font-size: 20px; }
.cx-flow__step p { font-size: 15px; }
.cx-notes__title { font-size: 16px; }
.cx-notes__title em { font-size: 13px; }
.cx-filter__list a { font-size: 15px; }
.cx-filter__list span { font-size: 12px; }
.cx-filter__search input,
.cx-filter__search button { font-size: 14px; }
.cx-band__lede { font-size: 15px; }
.cx-detail__summary { font-size: 18px; }
.cx-spec th { font-size: 11px; }
.cx-spec td { font-size: 15px; }
.cx-prose { font-size: 18px; }
.cx-prose p { font-size: 18px; }
.cx-prose h2 { font-size: 24px; }
.cx-prose h3 { font-size: 20px; }
.cx-prose h4 { font-size: 18px; }
.cx-prose table { font-size: 15px; }
.cx-prose--article,
.cx-prose--article p { font-size: 17px; }
.cx-about { font-size: 15px; }
.cx-quote p { font-size: 13px; }
.cx-quote li { font-size: 14px; }
.cx-sec__note { font-size: 12px; }
.cx-searchbar { font-size: 14px; }
.cx-searchbar em { font-size: 13px; }
.cx-catintro { font-size: 15px; }
.cx-use em { font-size: 11px; }
.cx-cta__side p { font-size: 16px; }
.cx-foot__brand p { font-size: 14px; }
.cx-foot__cols li { font-size: 13px; }
.cx-empty { font-size: 15px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1120px) {
  .cx-hero__in { grid-template-columns: 1fr; gap: 48px; padding: 60px 0 70px; }
  .cx-hero::after { font-size: 18vw; bottom: -6vw; }
  .cx-matrix { max-width: 620px; }
  .cx-catalog { grid-template-columns: 230px minmax(0, 1fr); gap: 38px; }
  .cx-detail { grid-template-columns: 1fr; gap: 40px; }
  .cx-two { gap: 44px; }
}

@media (max-width: 900px) {
  .cx-head__top-in { justify-content: center; }
  .cx-head__loc { display: none; }
  .cx-head__main { flex-wrap: wrap; gap: 16px; }
  /* 手机端：导航改为两行自然换行，全部菜单可见；头部不再吸顶，避免占掉过多屏幕 */
  .cx-head { position: static; }
  .cx-nav { order: 3; width: 100%; margin-left: 0; overflow: visible; flex-wrap: wrap; row-gap: 2px; padding-bottom: 4px; }
  .cx-nav a { padding: 6px 11px; white-space: nowrap; }
  .cx-head__cta { margin-left: auto; }
  .cx-catalog { grid-template-columns: 1fr; }
  .cx-filter { position: static; }
  .cx-filter__list { columns: 2; column-gap: 24px; }
  .cx-filter__list li { break-inside: avoid; }
  .cx-two { grid-template-columns: 1fr; }
  .cx-two__aside { border-left: 0; padding-left: 0; border-top: 1px solid var(--cx-line); padding-top: 30px; }
  .cx-cta__in { grid-template-columns: 1fr; gap: 26px; padding: 50px 0; }
  .cx-foot__top { grid-template-columns: 1fr; gap: 36px; }
  .cx-uses { grid-template-columns: 1fr 1fr; }
  .cx-flow { grid-template-columns: 1fr 1fr; }
  .cx-flow__step:nth-child(3n) { border-right: 1px solid var(--cx-line); padding-right: 24px; }
  .cx-flow__step:nth-child(2n) { border-right: 0; }
  .cx-flow__assure { grid-template-columns: 1fr 1fr; }
  .cx-flow__assure div:nth-child(2n) { border-right: 0; }
  .cx-flow__assure div:nth-child(n+3) { border-top: 1px solid var(--cx-line); }
}

@media (max-width: 640px) {
  .cx-wrap { width: 92vw; }
  .cx-head__top { display: none; }
  .cx-head__main { padding: 13px 0; }
  .cx-hero__in { padding: 44px 0 56px; gap: 38px; }
  .cx-eyebrow { font-size: 10px; letter-spacing: .16em; }
  .cx-hero__title { margin: 16px 0 18px; }
  .cx-search { margin-top: 26px; }
  .cx-quick { margin-top: 16px; }
  .cx-band__in { padding: 22px 0 28px; }
  .cx-use { min-height: 132px; padding: 16px 14px 18px; }
  .cx-use__en { margin-top: 12px; font-size: 9px; }
  .cx-use b { font-size: 18px; }
  .cx-use em { font-size: 9px; }
  .cx-catalog { gap: 30px; padding: 30px 0 64px; }
  .cx-filter__block { margin-top: 24px; padding-top: 18px; }
  .cx-filter__list { columns: 1; }
  .cx-logo__text strong { font-size: 14px; }
  .cx-head__cta { padding: 10px 16px; font-size: 13px; }
  .cx-hero__title { font-size: clamp(30px, 9vw, 42px); }
  .cx-hero__lede { font-size: 15px; }
  .cx-search__row input { height: 50px; font-size: 15px; }
  .cx-search__row button { padding: 0 16px; font-size: 15px; gap: 6px; }
  .cx-matrix__cell { min-height: 80px; padding: 22px 14px 12px; }
  .cx-matrix__cell b { font-size: 18px; }
  .cx-matrix__cell em { font-size: 10px; margin-top: 4px; }
  .cx-matrix__idx { left: 14px; top: 8px; }
  .cx-matrix__cell i { display: none; }
  .cx-sec { padding: 58px 0; }
  .cx-sec__head { flex-wrap: wrap; gap: 14px; }
  .cx-index a { grid-template-columns: 40px minmax(0, 1fr) 34px; gap: 12px; padding: 17px 0; }
  .cx-index__count { display: none; }
  .cx-feature { grid-template-columns: 1fr; }
  .cx-feature__body { padding: 20px 20px 24px; }
  .cx-two, .cx-sec--alt .cx-two { gap: 30px; }
  .cx-flow { grid-template-columns: 1fr; }
  .cx-flow__step, .cx-flow__step:nth-child(3n) { border-right: 0; padding: 24px 0; }
  .cx-flow__step:nth-child(3n+2) { padding-left: 0; }
  .cx-flow__assure { grid-template-columns: 1fr; }
  .cx-flow__assure div { border-right: 0; border-bottom: 1px solid var(--cx-line); padding: 14px 0 !important; }
  .cx-cta__title h2 { font-size: clamp(28px, 8vw, 40px); }
  .cx-cta__actions .cx-btn { width: 100%; }
  .cx-foot__cols { grid-template-columns: 1fr 1fr; }
  .cx-band__mark { display: none; }
  .cx-item { grid-template-columns: 96px minmax(0, 1fr); gap: 16px; padding: 16px 0; }
  .cx-item__media { width: 96px; height: 86px; }
  .cx-item__go { display: none; }
  .cx-item__body h3 { font-size: 18px; }
  .cx-notes a, .cx-notes--page a { grid-template-columns: minmax(0, 1fr) 24px; gap: 12px; }
  .cx-notes__date { grid-column: 1 / -1; order: 2; margin-top: 4px; }
  .cx-notes__title b { font-size: 15px; }
  .cx-article__nav { grid-template-columns: 1fr; }
  .cx-article__next { text-align: left; }
  .cx-thumbs img { width: 64px; height: 54px; }
  .cx-quote { padding: 20px 18px 22px; }
  .cx-detail__info h1 { font-size: 24px; }
  .cx-pager a, .cx-pager span { min-width: 34px; height: 34px; padding: 0 10px; }
}