/* ============================================================
   香月科技 XIANGYUE TECH — Corporate Site Stylesheet
   Dark industrial-tech theme · CN/EN
   ============================================================ */

:root {
  --bg: #0a111b;
  --bg-2: #0c1420;
  --panel: #101a28;
  --panel-2: #0d1724;
  --panel-3: #131f30;
  --line: rgba(148, 178, 208, .14);
  --line-strong: rgba(148, 178, 208, .26);
  --text: #e9f1f9;
  --text-2: #a3b7cc;
  --text-3: #6f8599;
  --cyan: #3fb0e8;
  --cyan-dim: rgba(63, 176, 232, .14);
  --red: #e4342b;
  --red-2: #ff5a3c;
  --grad-red: linear-gradient(135deg, #ff5a3c, #d62828);
  --grad-cyan: linear-gradient(135deg, #7cd4ff, #2f8fd0);
  --mono: "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace;
  --sans: "Inter", "HarmonyOS Sans SC", "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  --radius: 12px;
  --shadow: 0 18px 50px rgba(2, 8, 16, .55);
  --header-h: 80px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

::selection { background: rgba(63, 176, 232, .35); color: #fff; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #0a111b; }
::-webkit-scrollbar-thumb { background: #24374d; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #33506d; }

.container { width: min(1200px, 92%); margin: 0 auto; }
.mono { font-family: var(--mono); }

/* ============ Background layers ============ */
.bg-layer { position: fixed; inset: 0; z-index: -2; overflow: hidden; background: var(--bg); }
.bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(99, 148, 192, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 148, 192, .05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 75%);
}
.bg-glow {
  position: absolute; width: 720px; height: 720px; border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 176, 232, .12), transparent 65%);
  top: -280px; left: 50%; transform: translateX(-70%);
  animation: glowFloat 14s ease-in-out infinite alternate;
}
.bg-glow--red {
  left: auto; right: -240px; top: 640px;
  background: radial-gradient(circle, rgba(228, 52, 43, .08), transparent 65%);
  animation-delay: -7s;
}
@keyframes glowFloat { from { transform: translateX(-70%) translateY(0); } to { transform: translateX(-60%) translateY(60px); } }
.bg-sweep {
  position: absolute; left: 0; right: 0; height: 140px; top: -140px;
  background: linear-gradient(180deg, transparent, rgba(63, 176, 232, .05), transparent);
  animation: sweep 16s linear infinite;
}
@keyframes sweep { to { top: 110vh; } }
.bg-dot {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(148, 178, 208, .16) 1px, transparent 1.4px);
  background-size: 90px 90px;
  opacity: .5;
}

/* ============ Scroll progress ============ */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2.5px; z-index: 200;
  background: rgba(148, 178, 208, .08);
}
.scroll-progress i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--red-2));
  box-shadow: 0 0 12px rgba(63, 176, 232, .8);
}

/* ============ Header ============ */
.site-header { position: sticky; top: 0; z-index: 100; }
.header-band {
  background: rgba(10, 17, 27, .72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background .3s;
}
.site-header.is-scrolled .header-band { background: rgba(9, 15, 24, .92); }
.header-inner { display: flex; align-items: center; gap: 28px; height: var(--header-h); }

.logo { display: inline-flex; align-items: center; gap: 14px; flex-shrink: 0; }
.logo-mark { width: 52px; height: 52px; flex-shrink: 0; }
.logo-mark svg, .logo-mark img { width: 100%; height: 100%; object-fit: contain; display: block; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text b { font-size: 24px; letter-spacing: 3px; font-weight: 700; }
.logo-text i { font-style: normal; font-size: 12.5px; color: var(--text-3); letter-spacing: 3px; font-family: var(--mono); }

.nav { display: flex; gap: 8px; margin-left: auto; }
.nav-link {
  position: relative; padding: 9px 15px; font-size: 19px; color: var(--text-2);
  border-radius: 8px; transition: color .25s;
  white-space: nowrap;
}
.nav-link::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 2px; height: 2px;
  background: var(--grad-red); transform: scaleX(0); transform-origin: left;
  transition: transform .28s ease; border-radius: 2px;
}
.nav-link:hover { color: var(--text); }
.nav-link.is-active { color: var(--text); }
.nav-link.is-active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.lang-switch {
  display: inline-flex; border: 1px solid var(--line-strong); border-radius: 8px;
  overflow: hidden; font-family: var(--mono); font-size: 14px;
}
.lang-btn {
  background: transparent; border: 0; color: var(--text-3); padding: 7px 14px;
  letter-spacing: 1px; transition: all .25s;
}
.lang-btn + .lang-btn { border-left: 1px solid var(--line); }
.lang-btn:hover { color: var(--text); }
.lang-btn.is-active { background: var(--cyan-dim); color: #9fdcff; }

.menu-toggle {
  display: none; background: transparent; border: 0; width: 40px; height: 40px;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text-2); border-radius: 2px; transition: all .3s; }
.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Subnav breadcrumb */
.subnav { border-bottom: 1px solid var(--line); background: rgba(13, 23, 36, .55); }
.subnav-inner {
  display: flex; align-items: center; gap: 10px; height: 40px;
  font-size: 12.5px; color: var(--text-3); font-family: var(--mono);
}
.crumb { letter-spacing: 1px; }
.crumb--current { color: var(--cyan); }
.subnav-inner i { font-style: normal; opacity: .5; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 10px; font-size: 15px; font-weight: 600;
  border: 1px solid transparent; transition: all .28s ease; letter-spacing: .5px;
}
.btn--primary { background: var(--grad-red); color: #fff; box-shadow: 0 8px 26px rgba(228, 52, 43, .32); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(228, 52, 43, .42); }
.btn--ghost { border-color: var(--line-strong); color: var(--text-2); background: rgba(16, 26, 40, .4); }
.btn--ghost:hover { border-color: var(--cyan); color: #9fdcff; }
.btn--sm { padding: 9px 20px; font-size: 13.5px; border-radius: 8px; }
.btn--block { width: 100%; }
.btn-arrow { transition: transform .28s; }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ============ Sections ============ */
.section { padding: 80px 0; position: relative; }
.section--alt { background: linear-gradient(180deg, rgba(13, 23, 36, .55), rgba(10, 17, 27, .2)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section--tight { padding: 72px 0; }

.sec-head { max-width: 760px; margin-bottom: 56px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 3.5px;
  color: var(--cyan); margin-bottom: 16px; text-transform: uppercase;
  text-shadow: 0 0 14px rgba(63,176,232,.5);
}
.sec-tag::before { content: ""; width: 26px; height: 1.5px; background: var(--cyan); display: inline-block; }
.sec-head.center .sec-tag::after { content: ""; width: 26px; height: 1.5px; background: var(--cyan); display: inline-block; }
.sec-title { font-size: clamp(26px, 3.6vw, 40px); font-weight: 700; line-height: 1.3; letter-spacing: 1px; text-shadow: 0 2px 18px rgba(0,0,0,.4); }
.sec-sub { margin-top: 18px; color: var(--text-2); font-size: 15.5px; }
.accent { background: var(--grad-cyan); -webkit-background-clip: text; background-clip: text; color: transparent; }
.accent--red { background: var(--grad-red); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ============ Hero (home) ============ */
.hero { padding: 48px 0 36px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 3px;
  color: var(--text-3); border: 1px solid var(--line-strong);
  padding: 7px 16px; border-radius: 999px; margin-bottom: 26px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--red); box-shadow: 0 0 10px var(--red); animation: pulse 2.2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

.hero-title { font-size: clamp(34px, 4.6vw, 56px); font-weight: 700; line-height: 1.22; letter-spacing: 1px; }
.hero-desc { margin-top: 24px; color: var(--text-2); font-size: 16px; max-width: 560px; }
.hero-desc b { color: var(--text); font-weight: 600; }
.hero-cta { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  margin-top: 48px; padding-top: 30px; border-top: 1px dashed var(--line-strong);
}
.hero-stats li { text-align: left; }
.hero-stats b {
  display: block; font-size: 27px; font-weight: 700; font-family: var(--mono);
  background: var(--grad-cyan); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-stats span { font-size: 12.5px; color: var(--text-3); display: block; margin-top: 4px; }

.hero-visual { position: relative; }
.visual-svg { width: 100%; height: auto; max-height: 360px; }
.scan-line { animation: scanY 5s ease-in-out infinite; }
@keyframes scanY { 0%, 100% { transform: translateY(0); opacity: .2; } 50% { transform: translateY(290px); opacity: .6; } }

.float-card {
  position: absolute; background: rgba(13, 23, 36, .9); border: 1px solid var(--line-strong);
  border-radius: 10px; padding: 12px 18px; backdrop-filter: blur(8px);
  box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 2px;
  animation: floatCard 5.5s ease-in-out infinite;
}
.float-card--tr { top: 2%; right: 0%; }
.float-card--bl { bottom: 8%; left: -2%; animation-delay: -2.2s; }
.float-card--br { bottom: -2%; right: 4%; animation-delay: -3.8s; }
@keyframes floatCard { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.fc-label { font-size: 10.5px; color: var(--text-3); font-family: var(--mono); letter-spacing: 1.5px; }
.fc-value { font-size: 19px; font-weight: 600; color: var(--cyan); }

/* ============ Marquee ============ */
.marquee {
  overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: rgba(13, 23, 36, .5); padding: 15px 0; position: relative;
}
.marquee-track {
  display: flex; align-items: center; gap: 34px; width: max-content;
  animation: marquee 36s linear infinite; white-space: nowrap;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-size: 13.5px; color: var(--text-2); letter-spacing: 2px; }
.marquee-track i { color: var(--red); font-style: normal; font-size: 9px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ Product cards ============ */
.p-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.p-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.p-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.p-card {
  position: relative; background: linear-gradient(160deg, var(--panel-3), var(--panel-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px 26px;
  display: flex; flex-direction: column; gap: 14px; overflow: hidden;
  transition: transform .32s ease, border-color .32s ease, box-shadow .32s ease;
}
.p-card::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .32s;
  background: radial-gradient(560px 220px at 20% -10%, rgba(63, 176, 232, .10), transparent 60%);
  pointer-events: none;
}
.p-card:hover { transform: translateY(-6px); border-color: rgba(63, 176, 232, .45); box-shadow: var(--shadow); }
.p-card:hover::before { opacity: 1; }

.p-idx {
  position: absolute; top: 18px; right: 20px; font-family: var(--mono);
  font-size: 13px; color: var(--text-3); opacity: .55;
}
.p-img { border-radius: 8px; overflow: hidden; aspect-ratio: 4/2.6; border: 1px solid var(--line); }
.p-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.p-card:hover .p-img img { transform: scale(1.05); }

.p-icon {
  width: 52px; height: 52px; border-radius: 10px; color: var(--cyan);
  background: var(--cyan-dim); border: 1px solid rgba(63, 176, 232, .3);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.p-icon svg { width: 30px; height: 30px; }
.p-cat-chip {
  display: inline-flex; align-self: flex-start; font-size: 11.5px; font-family: var(--mono);
  color: #9fdcff; background: rgba(63, 176, 232, .1); border: 1px solid rgba(63, 176, 232, .28);
  padding: 3px 10px; border-radius: 999px; letter-spacing: 1px;
}
.p-card h3 { font-size: 17.5px; font-weight: 600; line-height: 1.45; letter-spacing: .3px; }
.p-card > p { font-size: 13.5px; color: var(--text-2); flex: 1; }

.p-spec { border-top: 1px dashed var(--line-strong); padding-top: 13px; display: grid; gap: 7px; }
.p-spec li { display: flex; justify-content: space-between; font-size: 12.5px; }
.p-spec li span { color: var(--text-3); }
.p-spec li b { color: var(--text-2); font-weight: 500; font-family: var(--mono); }

.p-link {
  display: inline-flex; align-items: center; gap: 7px; color: var(--cyan);
  font-size: 13.5px; font-weight: 600; letter-spacing: .5px;
}
.p-link i { font-style: normal; transition: transform .25s; }
.p-card:hover .p-link i { transform: translateX(4px); }

/* 整卡可点击跳转：在卡片内容前插入的覆盖链接，铺满整张卡片 */
.card-stretch {
  position: absolute; inset: 0; z-index: 3;
  text-decoration: none; border-radius: inherit;
}
.card-stretch:hover { cursor: pointer; }
.case-card, .p-card, .hcard { position: relative; }
/* 外部链接文字置于覆盖层之上，保证仍是可点击的独立链接 */
.case-card .p-link, .p-card .p-link, .hcard .p-link { position: relative; z-index: 4; }

/* ============ Category tabs (products page) ============ */
.cat-bar {
  position: sticky; top: var(--header-h); z-index: 60;
  background: rgba(10, 17, 27, .88); backdrop-filter: blur(12px);
  border: 1px solid var(--line); border-radius: 12px; padding: 10px;
  margin-bottom: 34px; display: flex; flex-wrap: wrap; gap: 7px;
}
.cat-tab {
  border: 1px solid transparent; background: transparent; color: var(--text-2);
  font-size: 13.5px; padding: 7px 15px; border-radius: 8px; transition: all .25s;
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
}
.cat-tab .cat-count {
  font-family: var(--mono); font-size: 10.5px; color: var(--text-3);
  background: rgba(148, 178, 208, .12); padding: 1px 7px; border-radius: 999px;
}
.cat-tab:hover { color: var(--text); border-color: var(--line-strong); }
.cat-tab.is-active { background: var(--cyan-dim); color: #9fdcff; border-color: rgba(63, 176, 232, .4); }
.cat-tab.is-active .cat-count { color: #9fdcff; background: rgba(63, 176, 232, .18); }

.cat-section { margin-bottom: 66px; scroll-margin-top: 190px; }
.cat-section:last-child { margin-bottom: 0; }
.cat-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 24px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.cat-head h3 { font-size: 22px; font-weight: 700; letter-spacing: 1px; }
.cat-head h3 em { font-style: normal; color: var(--text-3); font-size: 12px; font-family: var(--mono); letter-spacing: 2.5px; margin-left: 10px; }
.cat-head .cat-line { flex: 1; height: 1px; background: linear-gradient(90deg, var(--line-strong), transparent); }
.cat-desc { color: var(--text-3); font-size: 13.5px; margin: -12px 0 24px; max-width: 860px; }

/* ============ Split / tech layout ============ */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: start; }
.split .sec-head { margin-bottom: 34px; }

.tech-list { display: grid; gap: 18px; margin-top: 34px; }
.tech-item { display: flex; gap: 18px; align-items: flex-start; padding: 18px 20px; border: 1px solid var(--line); border-radius: 12px; background: rgba(16, 26, 40, .45); transition: border-color .3s, transform .3s; }
.tech-item:hover { border-color: rgba(63, 176, 232, .4); transform: translateX(4px); }
.tech-item > b { font-family: var(--mono); font-size: 15px; color: var(--red-2); padding-top: 2px; }
.tech-item h4 { font-size: 15.5px; font-weight: 600; margin-bottom: 4px; }
.tech-item p { font-size: 13px; color: var(--text-2); }

/* Spec panel */
.panel {
  background: linear-gradient(165deg, var(--panel-3), var(--panel-2));
  border: 1px solid var(--line-strong); border-radius: 14px; overflow: hidden;
  box-shadow: var(--shadow);
}
.panel-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 24px; border-bottom: 1px solid var(--line);
  background: rgba(10, 17, 27, .5);
}
.panel-title { font-size: 15px; font-weight: 600; letter-spacing: 1px; }
.panel-badge { font-family: var(--mono); font-size: 11px; color: var(--text-3); letter-spacing: 2px; }

.spec-table { width: 100%; border-collapse: collapse; }
.spec-table td { padding: 13px 24px; font-size: 13.5px; border-bottom: 1px solid var(--line); }
.spec-table tr:last-child td { border-bottom: 0; }
.spec-table td:first-child { color: var(--text-3); width: 42%; }
.spec-table td:last-child { color: var(--text-2); font-family: var(--mono); }
.spec-table td.hi { color: #9fdcff; }

.panel-bars { padding: 20px 24px 8px; border-top: 1px solid var(--line); }
.bar-row { display: grid; grid-template-columns: 96px 1fr 52px; align-items: center; gap: 14px; margin-bottom: 15px; font-size: 12.5px; }
.bar-row span { color: var(--text-3); }
.bar-row b { font-family: var(--mono); color: var(--cyan); text-align: right; font-weight: 500; }
.bar { height: 6px; background: rgba(148, 178, 208, .12); border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; border-radius: 99px; background: var(--grad-cyan); transition: width 1.2s cubic-bezier(.22, .8, .3, 1); }

.panel-cta {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 24px; border-top: 1px dashed var(--line-strong);
  color: var(--cyan); font-size: 13.5px; font-weight: 600; transition: background .3s;
}
.panel-cta:hover { background: rgba(63, 176, 232, .07); }
.panel-cta i { font-style: normal; }

/* ============ Industries (app grid) ============ */
.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.app-card {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(160deg, var(--panel-3), var(--panel-2));
  padding: 28px 26px; display: flex; flex-direction: column; gap: 10px;
  transition: transform .3s, border-color .3s, box-shadow .3s; overflow: hidden;
}
.app-card::after {
  content: ""; position: absolute; right: -34px; top: -34px; width: 110px; height: 110px;
  border-radius: 50%; background: radial-gradient(circle, rgba(63, 176, 232, .14), transparent 70%);
  opacity: 0; transition: opacity .35s;
}
.app-card:hover { transform: translateY(-5px); border-color: rgba(63, 176, 232, .4); box-shadow: var(--shadow); }
.app-card:hover::after { opacity: 1; }
.app-icon {
  width: 50px; height: 50px; border-radius: 12px; color: var(--cyan);
  background: var(--cyan-dim); border: 1px solid rgba(63, 176, 232, .28);
  display: flex; align-items: center; justify-content: center; margin-bottom: 6px;
}
.app-icon svg { width: 27px; height: 27px; }
.app-card h3 { font-size: 17px; font-weight: 600; }
.app-card p { font-size: 13px; color: var(--text-2); flex: 1; }
.app-metric { font-family: var(--mono); font-size: 12px; color: var(--red-2); letter-spacing: .5px; }

/* ============ Why / stats cards ============ */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.why-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px;
  background: rgba(16, 26, 40, .45); transition: transform .3s, border-color .3s;
}
.why-card:hover { transform: translateY(-5px); border-color: rgba(228, 52, 43, .4); }
.why-num {
  display: block; font-family: var(--mono); font-size: 40px; font-weight: 700;
  background: var(--grad-cyan); -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1.1; margin-bottom: 14px;
}
.why-num span { font-size: 22px; }
.why-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.why-card p { font-size: 12.8px; color: var(--text-2); }

/* ============ Process ============ */
.process { display: flex; align-items: stretch; gap: 0; margin-top: 60px; }
.step {
  flex: 1; text-align: center; padding: 26px 14px; position: relative;
  border: 1px solid var(--line); border-radius: 12px;
  background: linear-gradient(180deg, rgba(16, 26, 40, .6), rgba(13, 23, 36, .3));
}
.step span {
  display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center;
  border-radius: 50%; border: 1px solid rgba(63, 176, 232, .45); color: var(--cyan);
  font-family: var(--mono); font-size: 14px; margin-bottom: 14px; background: rgba(63, 176, 232, .08);
}
.step b { display: block; font-size: 15.5px; font-weight: 600; margin-bottom: 5px; }
.step p { font-size: 12.5px; color: var(--text-3); }
.step-line { flex: 0 0 34px; align-self: center; height: 1.5px; background: linear-gradient(90deg, rgba(63, 176, 232, .5), rgba(63, 176, 232, .15)); position: relative; }
.step-line::after { content: "▸"; position: absolute; right: 2px; top: -11px; color: rgba(63, 176, 232, .6); font-size: 12px; }

/* ============ CTA band ============ */
.cta-band {
  padding: 60px 0; position: relative;
  background:
    radial-gradient(700px 340px at 12% 10%, rgba(228, 52, 43, .09), transparent 60%),
    radial-gradient(700px 340px at 90% 90%, rgba(63, 176, 232, .08), transparent 60%),
    linear-gradient(180deg, rgba(13, 23, 36, .65), rgba(10, 17, 27, .65));
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.cta-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
.cta-copy h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 700; letter-spacing: 1px; margin-bottom: 18px; }
.cta-copy p { color: var(--text-2); font-size: 15px; max-width: 520px; }
.cta-points { margin-top: 26px; display: grid; gap: 12px; }
.cta-points li { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--text-2); }
.cta-points li::before { content: "◆"; color: var(--red); font-size: 9px; }

.cta-form {
  scroll-margin-top: calc(var(--header-h) + 24px);
  background: linear-gradient(165deg, var(--panel-3), var(--panel-2));
  border: 1px solid var(--line-strong); border-radius: 14px; padding: 34px 32px;
  display: grid; gap: 18px; box-shadow: var(--shadow);
}
.cta-form h3 { font-size: 18px; font-weight: 600; letter-spacing: 1px; }

.field { position: relative; }
.field input, .field select, .field textarea {
  width: 100%; background: rgba(10, 17, 27, .6); border: 1px solid var(--line-strong);
  border-radius: 9px; color: var(--text); font-size: 14px; padding: 15px 16px;
  outline: none; transition: border-color .25s, box-shadow .25s;
}
.field textarea { min-height: 110px; resize: vertical; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236f8599' stroke-width='1.6' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.field select option { background: #101a28; color: var(--text); }
.field label {
  position: absolute; left: 16px; top: 15px; color: var(--text-3); font-size: 14px;
  pointer-events: none; transition: all .22s ease; background: transparent; padding: 0 6px;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(63, 176, 232, .14); }
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label {
  top: -9px; font-size: 11.5px; color: var(--cyan); background: #0f1a29;
  border-radius: 4px;
}
.field select + label, .field.field--select label { top: -9px; font-size: 11.5px; color: var(--text-3); background: #0f1a29; padding: 0 6px; border-radius: 4px; }
.field--select select { color: var(--text-2); }

.form-note { font-size: 12px; color: var(--text-3); text-align: center; }
.form-ok {
  display: none; padding: 14px 18px; border-radius: 9px; font-size: 13.5px;
  background: rgba(63, 176, 232, .1); border: 1px solid rgba(63, 176, 232, .4); color: #9fdcff;
  text-align: center;
}
.form-ok.is-visible { display: block; animation: fadeUp .4s ease; }
.field-error { border-color: var(--red) !important; }

/* CTA 单行描述（产品页/其它页底部） */
.cta-single p { color: var(--text-2); white-space: nowrap; }

/* ============ Page hero (subpages) ============ */
.page-hero {
  padding: 52px 0 26px; position: relative; overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    repeating-linear-gradient(0deg, rgba(63,176,232,.05) 0 1px, transparent 1px 30px),
    repeating-linear-gradient(90deg, rgba(63,176,232,.05) 0 1px, transparent 1px 30px),
    linear-gradient(180deg, #0d1728 0%, #0a111b 100%);
}
.page-hero::before {
  content: ""; position: absolute; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 176, 232, .20), transparent 62%);
  top: -320px; right: -160px; pointer-events: none;
}
.page-hero::after {
  content: ""; position: absolute; width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 176, 232, .10), transparent 62%);
  bottom: -300px; left: -140px; pointer-events: none;
}
.ph-title { font-size: clamp(30px, 4vw, 46px); font-weight: 700; letter-spacing: 1.5px; line-height: 1.25; }
.ph-sub { margin-top: 16px; color: var(--text-2); font-size: 15.5px; max-width: 720px; }

/* 子页 hero：左标题 + 右统计，工业科技感 */
.ph-flex { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.ph-main { flex: 1 1 46ch; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; color: var(--cyan); letter-spacing: 2.5px;
  margin-bottom: 18px;
}
.hero-kicker::before { content: ""; width: 26px; height: 1px; background: var(--grad-cyan); }
.hero-stats { display: flex; gap: 14px; padding: 14px 6px 4px; }
.hs-item {
  min-width: 96px; padding: 14px 18px; text-align: center;
  border: 1px solid var(--line); border-radius: 12px;
  background: linear-gradient(160deg, var(--panel-3), var(--panel-2));
}
.hs-item b { display: block; font-family: var(--mono); font-size: 28px; font-weight: 700; line-height: 1.1;
  background: var(--grad-cyan); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hs-item span { font-size: 12px; color: var(--text-3); }
@media (max-width: 720px) { .ph-flex { align-items: flex-start; } .hero-stats { width: 100%; } .hs-item { flex: 1; } }

/* ============ About page ============ */
.intro-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.intro-text p { color: var(--text-2); font-size: 15px; margin-bottom: 16px; text-align: justify; }
.intro-text p b { color: var(--text); }
.intro-img { position: relative; border-radius: 14px; overflow: hidden; border: 1px solid var(--line-strong); box-shadow: var(--shadow); }
.intro-img img { width: 100%; height: 100%; object-fit: cover; }

/* 首页关于我们：标题左 + 横版小图右（配图固定 16:10 横版小卡片，避免喧宾夺主） */
.about-top { display: grid; grid-template-columns: 1.5fr .9fr; gap: 56px; align-items: center; }
.about-top .intro-img { max-width: 360px; margin-left: auto; }
.about-top .intro-img img { aspect-ratio: 16 / 10; object-fit: cover; }
.about-top .intro-img .car-slide img { aspect-ratio: 16 / 10; }
.tech-list--grid { grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 42px; }

.kpi-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 54px; }
.kpi {
  border: 1px solid var(--line); border-radius: 12px; padding: 22px 20px; text-align: center;
  background: rgba(16, 26, 40, .45);
}
.kpi b { display: block; font-family: var(--mono); font-size: 30px; font-weight: 700; background: var(--grad-cyan); -webkit-background-clip: text; background-clip: text; color: transparent; }
.kpi span { font-size: 12.5px; color: var(--text-3); }

.tech-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tech-card {
  border: 1px solid var(--line); border-radius: 12px; padding: 26px 24px;
  background: linear-gradient(160deg, var(--panel-3), var(--panel-2));
  transition: transform .3s, border-color .3s;
}
.tech-card:hover { transform: translateY(-4px); border-color: rgba(63, 176, 232, .4); }
.tech-card .tc-num { font-family: var(--mono); font-size: 12px; color: var(--red-2); letter-spacing: 2px; margin-bottom: 12px; display: block; }
.tech-card h3 { font-size: 16.5px; font-weight: 600; margin-bottom: 8px; }
.tech-card p { font-size: 13px; color: var(--text-2); }

.track-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.track-card {
  position: relative; border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  padding: 30px 24px; background: linear-gradient(170deg, var(--panel-3), var(--panel-2));
  transition: transform .3s, border-color .3s; min-height: 190px;
  display: flex; flex-direction: column;
}
.track-card:hover { transform: translateY(-5px); border-color: rgba(228, 52, 43, .45); }
.track-card .t-idx { font-family: var(--mono); font-size: 12px; color: var(--text-3); letter-spacing: 2px; margin-bottom: 16px; }
.track-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; letter-spacing: 1px; }
.track-card p { font-size: 12.8px; color: var(--text-2); flex: 1; }
.track-card .t-en { font-family: var(--mono); font-size: 11px; color: var(--cyan); letter-spacing: 1.5px; margin-top: 14px; }

.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.partner-card {
  border: 1px solid var(--line); border-radius: 12px; padding: 28px 24px;
  background: rgba(16, 26, 40, .45); text-align: center; transition: border-color .3s, transform .3s;
}
.partner-card:hover { border-color: rgba(63, 176, 232, .4); transform: translateY(-4px); }
.partner-card .pa-icon {
  width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 12px;
  background: var(--cyan-dim); border: 1px solid rgba(63, 176, 232, .3);
  display: flex; align-items: center; justify-content: center; color: var(--cyan);
}
.partner-card .pa-icon svg { width: 28px; height: 28px; }
.partner-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.partner-card p { font-size: 12.8px; color: var(--text-2); }

.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value-card {
  border-left: 3px solid var(--red); border-radius: 0 12px 12px 0;
  background: linear-gradient(90deg, rgba(228, 52, 43, .07), rgba(16, 26, 40, .35));
  padding: 26px 26px;
}
.value-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; letter-spacing: 1px; }
.value-card h3 span { font-family: var(--mono); font-size: 11px; color: var(--red-2); margin-left: 10px; letter-spacing: 2px; }
.value-card p { font-size: 13px; color: var(--text-2); }

.geo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.geo-card { border: 1px solid var(--line); border-radius: 12px; padding: 28px 26px; background: linear-gradient(160deg, var(--panel-3), var(--panel-2)); display: flex; gap: 20px; align-items: flex-start; }
.geo-card .geo-icon { width: 46px; height: 46px; border-radius: 10px; background: var(--cyan-dim); border: 1px solid rgba(63, 176, 232, .3); color: var(--cyan); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.geo-card .geo-icon svg { width: 24px; height: 24px; }
.geo-card h3 { font-size: 16.5px; font-weight: 600; margin-bottom: 6px; }
.geo-card p { font-size: 13px; color: var(--text-2); }

/* ============ Services page ============ */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc-card {
  position: relative; border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  background: linear-gradient(165deg, var(--panel-3), var(--panel-2));
  padding: 36px 30px; transition: transform .32s, border-color .32s, box-shadow .32s;
}
.svc-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-red); transform: scaleX(0); transform-origin: left; transition: transform .4s;
}
.svc-card:hover { transform: translateY(-6px); border-color: rgba(228, 52, 43, .4); box-shadow: var(--shadow); }
.svc-card:hover::before { transform: scaleX(1); }
.svc-icon {
  width: 58px; height: 58px; border-radius: 13px; color: var(--cyan);
  background: var(--cyan-dim); border: 1px solid rgba(63, 176, 232, .3);
  display: flex; align-items: center; justify-content: center; margin-bottom: 22px;
}
.svc-icon svg { width: 31px; height: 31px; }
.svc-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 6px; letter-spacing: 1px; }
.svc-card .svc-en { font-family: var(--mono); font-size: 11px; color: var(--text-3); letter-spacing: 2.5px; display: block; margin-bottom: 16px; }
.svc-card > p { font-size: 13.5px; color: var(--text-2); margin-bottom: 18px; }
.svc-list { display: grid; gap: 10px; }
.svc-list li { display: flex; gap: 10px; font-size: 13px; color: var(--text-2); align-items: baseline; }
.svc-list li::before { content: "▸"; color: var(--red-2); font-size: 12px; flex-shrink: 0; }

.scope-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.scope-card { border: 1px solid var(--line); border-radius: 12px; padding: 24px; background: rgba(16, 26, 40, .45); display: flex; gap: 16px; align-items: flex-start; transition: border-color .3s; }
.scope-card:hover { border-color: rgba(63, 176, 232, .4); }
.scope-card .sc-icon { width: 42px; height: 42px; border-radius: 10px; background: var(--cyan-dim); color: var(--cyan); display: flex; align-items: center; justify-content: center; flex-shrink: 0; border: 1px solid rgba(63, 176, 232, .26); }
.scope-card .sc-icon svg { width: 22px; height: 22px; }
.scope-card h4 { font-size: 15.5px; font-weight: 600; margin-bottom: 5px; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.scope-card .sc-en { font-family: var(--mono); font-size: 10.5px; letter-spacing: 1.5px; color: var(--text-3); font-weight: 500; }
.scope-card p { font-size: 12.8px; color: var(--text-2); }
.scope-card .sc-list { margin-top: 12px; display: grid; gap: 7px; }
.scope-card .sc-list li { position: relative; padding-left: 16px; font-size: 12.6px; color: var(--text-2); }
.scope-card .sc-list li::before { content: "▸"; position: absolute; left: 0; top: 0; color: var(--cyan); font-size: 12px; }

/* ============ Cases ============ */
.case-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 44px; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.case-card {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(165deg, var(--panel-3), var(--panel-2));
  display: flex; flex-direction: column; transition: transform .32s, border-color .32s, box-shadow .32s;
}
.case-card:hover { transform: translateY(-6px); border-color: rgba(63, 176, 232, .45); box-shadow: var(--shadow); }
.case-card .c-img { aspect-ratio: 4/2.6; overflow: hidden; border-bottom: 1px solid var(--line); position: relative; }
.case-card .c-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.case-card:hover .c-img img { transform: scale(1.06); }
.case-ind {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  font-size: 11.5px; font-family: var(--mono); letter-spacing: 1px;
  color: #ffd9d6; background: rgba(228, 52, 43, .82); backdrop-filter: blur(4px);
  padding: 4px 12px; border-radius: 999px;
}
.case-body { padding: 24px 24px 26px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.case-body h3 { font-size: 17px; font-weight: 600; line-height: 1.5; }
.case-body p { font-size: 13px; color: var(--text-2); flex: 1; }
.case-body .p-link { align-self: flex-start; }
.case-metrics { display: flex; gap: 8px; flex-wrap: wrap; }
.case-metrics span { font-family: var(--mono); font-size: 11px; color: #9fdcff; background: rgba(63, 176, 232, .1); border: 1px solid rgba(63, 176, 232, .25); padding: 3px 10px; border-radius: 999px; }

/* ============ Detail pages ============ */
.detail-hero {
  padding: 78px 0 60px; border-bottom: 1px solid var(--line); position: relative; overflow: hidden;
  background:
    repeating-linear-gradient(0deg, rgba(63,176,232,.05) 0 1px, transparent 1px 30px),
    repeating-linear-gradient(90deg, rgba(63,176,232,.05) 0 1px, transparent 1px 30px),
    linear-gradient(180deg, #0d1728 0%, #0a111b 100%);
}
.detail-hero::before {
  content: ""; position: absolute; width: 640px; height: 640px; border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 176, 232, .20), transparent 62%);
  top: -360px; right: -170px; pointer-events: none;
}
.detail-hero::after {
  content: ""; position: absolute; width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(63,176,232,.10), transparent 62%);
  bottom: -320px; left: -140px; pointer-events: none;
}
.detail-hero .container { position: relative; z-index: 1; }
.detail-hero h1 { font-size: clamp(27px, 3.6vw, 42px); font-weight: 700; letter-spacing: 1px; line-height: 1.3; max-width: 900px; text-shadow: 0 2px 18px rgba(0,0,0,.55); }
.detail-tagline { margin-top: 14px; color: var(--cyan); font-size: 15.5px; font-family: var(--mono); letter-spacing: 1px; text-shadow: 0 1px 10px rgba(0,0,0,.5); }
.detail-meta { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }

.detail-body { padding: 60px 0; }
.detail-grid { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 40px; align-items: start; }
.detail-img { border-radius: 14px; overflow: hidden; border: 1px solid var(--line-strong); box-shadow: var(--shadow); max-width: 520px; margin-left: auto; margin-right: auto; }
.d-block h2 { position: relative; padding-left: 16px; font-size: clamp(20px,2.2vw,26px); letter-spacing: .5px; }
.d-block h2::before { content: ""; position: absolute; left: 0; top: .14em; height: .72em; width: 3px; border-radius: 2px; background: linear-gradient(180deg,#7cd4ff,#2f8fd0); }
.detail-img img { width: 100%; aspect-ratio: 4/2.4; object-fit: cover; }

.d-block { margin-bottom: 26px; }
.d-block:last-child { margin-bottom: 0; }
.d-block h2 {
  font-size: 21px; font-weight: 700; letter-spacing: 1px; margin-bottom: 20px;
  display: flex; align-items: center; gap: 14px;
}
.d-block h2::before { content: ""; width: 4px; height: 20px; border-radius: 2px; background: var(--grad-red); }
.d-block p { color: var(--text-2); font-size: 15.5px; line-height: 2; letter-spacing: .04em; margin-bottom: 18px; }

.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feature-card {
  border: 1px solid var(--line); border-radius: 11px; padding: 22px 20px;
  background: rgba(16, 26, 40, .5); transition: border-color .3s, transform .3s;
}
.feature-card:hover { border-color: rgba(63, 176, 232, .4); transform: translateY(-3px); }
.feature-card .f-num { font-family: var(--mono); font-size: 12px; color: var(--red-2); letter-spacing: 2px; display: block; margin-bottom: 9px; }
.feature-card h4 { font-size: 15.5px; font-weight: 600; margin-bottom: 6px; }
.feature-card p { font-size: 12.8px; color: var(--text-2); margin: 0; }

.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  font-size: 13px; color: var(--text-2); border: 1px solid var(--line-strong);
  padding: 7px 16px; border-radius: 999px; background: rgba(16, 26, 40, .5);
  transition: all .25s; display: inline-flex; align-items: center; gap: 7px;
}
.chip::before { content: "◆"; font-size: 8px; color: var(--cyan); }
.chip:hover { border-color: var(--cyan); color: #9fdcff; }

/* Case detail */
.case-detail-grid { display: block; max-width: 980px; margin-left: auto; margin-right: auto; }
.side-card { border: 1px solid var(--line); border-radius: 12px; padding: 24px; background: linear-gradient(165deg, var(--panel-3), var(--panel-2)); }
.side-card h4 { font-size: 14.5px; font-weight: 600; margin-bottom: 14px; letter-spacing: 1px; display: flex; align-items: center; gap: 10px; }
.side-card h4::before { content: ""; width: 3px; height: 14px; border-radius: 2px; background: var(--cyan); }
.side-card .sc-row { display: flex; justify-content: space-between; gap: 14px; font-size: 12.8px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.side-card .sc-row:last-child { border-bottom: 0; }
.side-card .sc-row span { color: var(--text-3); flex-shrink: 0; }
.side-card .sc-row b { color: var(--text-2); font-weight: 500; text-align: right; }

/* ============ Contact page ============ */
.contact-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 40px; align-items: start; }
.c-info { display: grid; gap: 16px; }
.c-info-card {
  border: 1px solid var(--line); border-radius: 12px; padding: 22px 24px;
  background: linear-gradient(160deg, var(--panel-3), var(--panel-2));
  display: flex; gap: 18px; align-items: flex-start; transition: border-color .3s;
}
.c-info-card:hover { border-color: rgba(63, 176, 232, .4); }
.c-info-card .ci-icon {
  width: 46px; height: 46px; border-radius: 10px; background: var(--cyan-dim);
  border: 1px solid rgba(63, 176, 232, .3); color: var(--cyan);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.c-info-card .ci-icon svg { width: 23px; height: 23px; }
.c-info-card h4 { font-size: 12px; font-family: var(--mono); color: var(--text-3); letter-spacing: 2.5px; margin-bottom: 6px; font-weight: 400; }
.c-info-card p { font-size: 15px; font-weight: 500; }
.c-info-card p a:hover { color: var(--cyan); }
.c-info-card p small { display: block; font-size: 12.5px; color: var(--text-3); font-weight: 400; margin-top: 3px; }

.map-box { border-radius: 12px; overflow: hidden; border: 1px solid var(--line-strong); position: relative; }
.map-box img { width: 100%; display: block; }
.map-box .map-note {
  position: absolute; right: 14px; top: 14px; font-family: var(--mono); font-size: 11px;
  color: var(--text-3); background: rgba(10, 17, 27, .82); border: 1px solid var(--line);
  padding: 5px 12px; border-radius: 6px; letter-spacing: 1.5px;
}

.office-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 44px; }

/* ============ Footer ============ */
.site-footer { border-top: 1px solid var(--line); background: rgba(9, 15, 24, .82); margin-top: 56px; }
.site-footer.mainless { margin-top: 0; }
.footer-top { display: grid; grid-template-columns: 1.15fr 2fr; gap: 56px; padding: 64px 0 48px; }
.f-brand p { margin-top: 18px; font-size: 13px; color: var(--text-2); max-width: 360px; }
.f-social { display: flex; gap: 12px; margin-top: 22px; }
.f-social a {
  width: 38px; height: 38px; border-radius: 9px; border: 1px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center; color: var(--text-3);
  transition: all .28s;
}
.f-social a:hover { color: var(--cyan); border-color: var(--cyan); transform: translateY(-3px); }
.f-social svg { width: 18px; height: 18px; }

.f-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.f-links h4 { font-size: 13px; letter-spacing: 2px; color: var(--text); margin-bottom: 18px; font-weight: 600; }
.f-links a, .f-links span { display: block; font-size: 13px; color: var(--text-3); margin-bottom: 11px; transition: color .25s; }
.f-links a:hover { color: var(--cyan); }

.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 22px 0; border-top: 1px solid var(--line); font-size: 12px; color: var(--text-3);
}
.f-meta { font-family: var(--mono); letter-spacing: .5px; }
.f-icp { font-family: var(--mono); letter-spacing: .5px; }

/* ============ Reveal & animations ============ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s cubic-bezier(.22, .8, .3, 1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.is-hidden { display: none !important; }

.empty-note { padding: 60px 20px; text-align: center; color: var(--text-3); font-size: 14px; border: 1px dashed var(--line-strong); border-radius: 12px; }

/* ============ Responsive ============ */
@media (max-width: 1100px) {
  .nav { gap: 0; }
  .nav-link { padding: 8px 9px; font-size: 14px; }
  .why-grid, .track-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .hero-grid, .split, .intro-grid, .cta-inner, .detail-grid, .contact-grid, .case-detail-grid { grid-template-columns: 1fr; gap: 44px; }
  .about-top { grid-template-columns: 1fr; gap: 40px; }
  .about-top .intro-img { max-width: 480px; }
  .hero-visual { max-width: 560px; margin: 0 auto; }
  .p-grid, .case-grid, .app-grid, .tech-cards, .partner-grid, .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .p-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .detail-img { position: static; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .process { flex-direction: column; gap: 14px; }
  .tech-list--grid { grid-template-columns: 1fr; margin-top: 30px; }
  .step-line { display: none; }
}

@media (max-width: 860px) {
  :root { --header-h: 62px; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; gap: 2px; padding: 16px 5%;
    background: rgba(9, 15, 24, .97); border-bottom: 1px solid var(--line);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: all .3s ease; z-index: 90; backdrop-filter: blur(16px);
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav-link { padding: 13px 14px; font-size: 15px; border-radius: 8px; }
  .nav-link:hover, .nav-link.is-active { background: rgba(63, 176, 232, .09); }
  .nav-link::after { display: none; }
  .menu-toggle { display: flex; }
  .header-actions .btn { display: none; }
  .subnav { display: none; }
  .cat-bar { top: var(--header-h); }
  .hero { padding: 36px 0 28px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .kpi-strip { grid-template-columns: repeat(2, 1fr); }
  .float-card { display: none; }
}

@media (max-width: 640px) {
  .section { padding: 66px 0; }
  .tech-list--grid { grid-template-columns: 1fr; margin-top: 30px; }
  .about-top .intro-img { max-width: 100%; }
  .p-grid, .case-grid, .app-grid, .tech-cards, .partner-grid, .svc-grid,
  .value-grid, .scope-grid, .geo-grid, .office-grid, .p-grid.cols-4,
  .p-grid.cols-2, .case-grid.cols-2, .why-grid, .track-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .f-links { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { justify-content: center; text-align: center; }
  .cta-form { padding: 26px 20px; }
  .logo-text b { font-size: 16px; letter-spacing: 2px; }
  .hero-cta .btn { flex: 1; }
  .metric-band { grid-template-columns: 1fr; }
  .d-block h2 { font-size: 18px; }
  .detail-hero h1 { font-size: 26px; }
}

/* 详情富文本 & 无图布局 */
.d-rich { font-size: 15.5px; color: var(--text-2); line-height: 2; letter-spacing: .04em; word-break: break-word; }
.d-rich p { margin: 0 0 16px; text-align: justify; }
.detail-fig { margin: 8px auto 24px; max-width: 440px; }
.detail-fig img { width: 100%; height: auto; display: block; }
/* 案例详情正文/图片始终可见，不依赖入场动画（避免 JS 未触发时内容被隐藏为透明） */
.case-detail-grid .reveal { opacity: 1 !important; transform: none !important; }
.detail-grid.no-img { grid-template-columns: 1fr; }
.case-card .case-body:only-child { padding-top: 26px; }
/* ============ 多图轮播 ============ */
.xy-carousel { position: relative; }
.xy-carousel > img { width: 100%; height: 100%; object-fit: cover; display: block; }
.car-frame { overflow: hidden; }
.car-track { display: flex; transition: transform .55s cubic-bezier(.22, .61, .36, 1); }
.car-slide { flex: 0 0 100%; }
.car-slide img { width: 100%; aspect-ratio: 4 / 2.6; object-fit: cover; display: block; }
.detail-img .car-slide img { aspect-ratio: 4 / 2.4; }
.intro-img .car-slide img { aspect-ratio: 4 / 3.1; }
.car-dots { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; }
.car-dot { width: 22px; height: 3px; border-radius: 2px; background: rgba(255,255,255,.35); cursor: pointer; border: 0; padding: 0; transition: background .3s; }
.car-dot.is-on { background: var(--cyan); }
.car-btn {
  position: absolute; top: 50%; transform: translateY(-50%); width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid rgba(148,178,208,.35); background: rgba(10,17,27,.62); color: #cfe0f2;
  font-size: 19px; line-height: 1; cursor: pointer; z-index: 3; opacity: 0; transition: opacity .3s, background .3s;
}
.xy-carousel:hover .car-btn { opacity: 1; }
.car-btn:hover { background: rgba(63,176,232,.28); }
.car-prev { left: 12px; } .car-next { right: 12px; }
.car-count {
  position: absolute; right: 12px; top: 12px; z-index: 3; font-family: var(--mono); font-size: 11px;
  color: #cfe0f2; background: rgba(10,17,27,.72); border: 1px solid rgba(148,178,208,.25);
  padding: 3px 9px; border-radius: 5px;
}
@media (max-width: 860px) { .car-btn { opacity: 1; } }

/* ============ 案例页锚点定位 ============ */
#cases-list { scroll-margin-top: 118px; }

/* ============ 表单必填星号 ============ */
.req-star { color: #ff8d85; font-style: normal; margin-left: 3px; font-weight: 700; }

/* ============ 地图（Leaflet） ============ */
.map-box--live { position: relative; }
#officeMap { height: 300px; width: 100%; background: #0a111b; z-index: 1; }
#officeMap .leaflet-tile { filter: grayscale(.88) invert(.94) hue-rotate(186deg) brightness(.94) contrast(.92); }
#officeMap .leaflet-container { background: #0a111b; font-family: inherit; }
.xy-pin { position: relative; }
.xy-pin-dot {
  position: absolute; left: 50%; top: 50%; width: 14px; height: 14px; transform: translate(-50%,-50%);
  border-radius: 50%; background: #e4342b; border: 2.5px solid #fff; box-shadow: 0 0 0 2px rgba(228,52,43,.35);
  z-index: 2;
}
.xy-pin-pulse {
  position: absolute; left: 50%; top: 50%; width: 14px; height: 14px; transform: translate(-50%,-50%);
  border-radius: 50%; background: rgba(228,52,43,.5); animation: pinPulse 2s infinite; z-index: 1;
}
@keyframes pinPulse { 0% { transform: translate(-50%,-50%) scale(1); opacity: .8; } 100% { transform: translate(-50%,-50%) scale(3.2); opacity: 0; } }
#officeMap .leaflet-tooltip {
  background: rgba(10,17,27,.92); color: #e9f1f9; border: 1px solid rgba(63,176,232,.4);
  border-radius: 6px; font-size: 12.5px; letter-spacing: 1px; box-shadow: none;
}
#officeMap .leaflet-tooltip-top:before { border-top-color: rgba(63,176,232,.4); }
#officeMap .leaflet-bar a { background: #101a24; color: #cfe0f2; border-color: var(--line-strong); }
#officeMap .leaflet-bar a:hover { background: #16222f; }
.map-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.map-actions a {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; letter-spacing: 1px;
  color: #9fdcff; border: 1px solid rgba(63,176,232,.4); border-radius: 7px; padding: 7px 13px;
  text-decoration: none; transition: background .25s, border-color .25s;
}
.map-actions a:hover { background: rgba(63,176,232,.12); border-color: rgba(63,176,232,.7); }

/* Placeholder for missing images */
.p-img--placeholder, .c-img--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--panel-2);
  border: 1px dashed var(--line);
  min-height: 160px;
  color: var(--text-3);
}
.p-img--placeholder svg, .c-img--placeholder svg { width: 48px; height: 48px; opacity: 0.4; }

/* ============ 顶部导航 · 产品 mega 下拉（Intel 风格） ============ */
.nav-item { position: relative; display: flex; align-items: center; }
.nav-link--mega { display: inline-flex; align-items: center; gap: 6px; }
.mega-caret {
  font-style: normal; font-size: 10px; color: var(--text-3);
  transition: transform .28s ease;
}
body[data-page="products"] .nav-item--mega:hover .mega-caret,
.nav-item--mega.is-open .mega-caret { transform: rotate(180deg); color: var(--red-2); }
/* 高亮的活动项底部红条改为跟随 mega 链接本身 */
.nav-link--mega.is-active::after { transform: scaleX(1); }

.mega-panel {
  position: absolute; top: calc(100% + 14px); left: -240px;
  width: min(1080px, 92vw);
  background: linear-gradient(180deg, rgba(13, 23, 36, .97), rgba(10, 17, 27, .99));
  border: 1px solid var(--line-strong); border-radius: 14px;
  box-shadow: var(--shadow); backdrop-filter: blur(18px);
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .26s ease, transform .26s ease, visibility .26s;
  padding: 20px 22px 22px; z-index: 200;
}
.mega-panel::before {
  content: ""; position: absolute; top: -13px; left: 236px; width: 24px; height: 24px;
  background: var(--panel-2); border-left: 1px solid var(--line-strong); border-top: 1px solid var(--line-strong);
  transform: rotate(45deg); border-radius: 3px 0 0 0;
}
body[data-page="products"] .nav-item--mega:hover .mega-panel,
.nav-item--mega.is-open .mega-panel,
.nav-item--mega:focus-within .mega-panel { opacity: 1; visibility: visible; transform: none; }

.mega-inner { max-height: min(74vh, 560px); overflow: auto; }
.mega-head {
  display: flex; align-items: baseline; gap: 14px; padding-bottom: 14px;
  border-bottom: 1px solid var(--line); margin-bottom: 18px; position: sticky; top: 0;
  background: rgba(13, 23, 36, .96); z-index: 3;
}
.mega-title { font-size: 17px; font-weight: 700; letter-spacing: 1px; color: var(--text); }
.mega-title:hover { color: var(--cyan); }
.mega-sub { font-family: var(--mono); font-size: 11px; letter-spacing: 2px; color: var(--text-3); }
.mega-all {
  margin-left: auto; display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--cyan); letter-spacing: .5px;
}
.mega-all i, .mega-more i { font-style: normal; transition: transform .25s; }
.mega-all:hover i, .mega-more:hover i { transform: translateX(4px); }

.mega-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px 22px; }
.mega-group {
  display: flex; flex-direction: column; gap: 4px; padding: 10px 12px 12px;
  border: 1px solid transparent; border-radius: 10px; transition: border-color .25s, background .25s;
}
.mega-group:hover { border-color: var(--line); background: rgba(63, 176, 232, .05); }
.mega-cat {
  display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 700;
  color: var(--text); letter-spacing: .3px; margin-bottom: 6px;
}
.mega-cat svg { width: 18px; height: 18px; color: var(--cyan); flex-shrink: 0; }
.mega-cat:hover { color: #9fdcff; }
.mega-cat em {
  font-style: normal; font-family: var(--mono); font-size: 10px; color: var(--text-3);
  background: rgba(148, 178, 208, .12); border-radius: 999px; padding: 1px 7px; margin-left: auto;
}
.mega-list { display: grid; gap: 1px; }
.mega-list a {
  display: block; padding: 4px 0 4px 26px; font-size: 12.5px; color: var(--text-2);
  line-height: 1.5; transition: color .2s, transform .2s;
}
.mega-list a::before { content: "–"; margin-right: 7px; color: var(--text-3); }
.mega-list a:hover { color: var(--cyan); transform: translateX(3px); }
.mega-more {
  display: inline-flex; align-items: center; gap: 4px; padding: 4px 0 0 26px;
  font-size: 12px; color: var(--red-2); font-weight: 600;
}
.mega-more i { font-style: normal; }

/* ============ 产品展示页 · Intel 风格分类磁贴 ============ */
.intel-sec { scroll-margin-top: 200px; margin-bottom: 56px; }
.intel-sec:last-child { margin-bottom: 0; }
.intel-head { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.intel-head .ih-icon {
  width: 46px; height: 46px; flex-shrink: 0; border-radius: 11px; color: var(--cyan);
  background: var(--cyan-dim); border: 1px solid rgba(63, 176, 232, .28);
  display: flex; align-items: center; justify-content: center;
}
.intel-head .ih-icon svg { width: 25px; height: 25px; }
.intel-head .ih-text h3 { font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.intel-head .ih-text em { font-style: normal; font-family: var(--mono); font-size: 11px; letter-spacing: 2px; color: var(--text-3); }
.intel-head .ih-count { margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--text-3); white-space: nowrap; }
.intel-head .ih-count b { color: var(--red-2); margin-right: 3px; }
.intel-desc { color: var(--text-3); font-size: 13.5px; margin: -8px 0 20px; max-width: 880px; }

/* ============ 案例页 · 海利白卡片（左图右文） ============ */
.case-list { display: grid; gap: 22px; }
.hcard {
  display: grid; grid-template-columns: 42% 58%; overflow: hidden;
  background: #ffffff; color: #0f1a2b; border-radius: 14px;
  border: 1px solid var(--line); box-shadow: 0 12px 34px rgba(0, 0, 0, .35);
  transition: transform .3s ease, box-shadow .3s ease;
}
.hcard:hover { transform: translateY(-4px); box-shadow: 0 20px 46px rgba(0, 0, 0, .45); }
.hcard .hc-img { position: relative; min-height: 220px; overflow: hidden; }
.hcard .hc-img img { width: 100%; height: 100%; object-fit: cover; }
.hcard .hc-ind {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  font-size: 11.5px; font-family: var(--mono); letter-spacing: 1px;
  color: #fff; background: rgba(228, 52, 43, .88); padding: 4px 12px; border-radius: 999px;
}
.hcard .hc-body { padding: 30px 30px 26px; display: flex; flex-direction: column; gap: 12px; }
.hcard h3 { font-size: 19px; font-weight: 700; line-height: 1.5; color: #0f1a2b; }
.hcard .hc-sum { font-size: 14px; color: #46586b; line-height: 1.95; letter-spacing: .02em; flex: 1; }
.hcard .p-link { align-self: flex-start; color: #d62a22; }
.hcard .hc-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.hcard .hc-tag { font-family: var(--mono); font-size: 11px; color: #123f61; background: #e8f2f9; border: 1px solid #cfe4f2; padding: 3px 10px; border-radius: 999px; letter-spacing: .5px; }

/* mega / case 响应式 */
@media (max-width: 1024px) {
  .mega-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .mega-panel { position: static; width: 100%; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; background: transparent; border: 0; padding: 6px 0 6px 8px;
    display: none; }
  .mega-panel::before { display: none; }
  .mega-inner { max-height: none; overflow: visible; }
  .mega-head { position: static; }
  .mega-grid { grid-template-columns: 1fr; gap: 4px; }
  .mega-group { border: 0; padding: 0; }
  .mega-cat { margin-bottom: 2px; }
  .mega-list { display: none; }
  .nav-item--mega.is-open .mega-panel { display: block; }
  .hcard { grid-template-columns: 1fr; }
  .hcard .hc-img { min-height: 200px; }
}
@media (max-width: 640px) {
  .hcard .hc-body { padding: 22px 18px; }
}

/* ============ Category immersive band (products/page) ============ */
.cat-band { margin-bottom: 64px; scroll-margin-top: 190px; }
.cat-band:last-child { margin-bottom: 0; }
.cat-band-cover {
  position: relative; height: 300px; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 88% 12%, rgba(63,176,232,.22), transparent 55%),
    radial-gradient(120% 140% at 6% 90%, rgba(228,52,43,.16), transparent 55%),
    linear-gradient(135deg, #101a28, #0c1420);
}
.cat-band-cover img { width: 100%; height: 100%; object-fit: cover; }
.cat-band-shade {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,17,27,.97) 0%, rgba(10,17,27,.82) 45%, rgba(10,17,27,.28) 100%);
}
.cat-band-info {
  position: absolute; inset: 0; display: flex; align-items: center; gap: 26px; padding: 34px 44px;
}
.cb-icon {
  display: grid; place-items: center; width: 78px; height: 78px; border-radius: 18px; flex: 0 0 auto;
  background: var(--cyan-dim); border: 1px solid rgba(63,176,232,.34); color: #9fdcff;
}
.cb-icon svg { width: 40px; height: 40px; }
.cb-text { flex: 1; min-width: 0; }
.cb-title { display: flex; align-items: baseline; gap: 14px; }
.cb-title h3 { font-size: 30px; font-weight: 800; letter-spacing: 1px; color: #fff; }
.cb-title em { font-style: normal; font-family: var(--mono); font-size: 13px; letter-spacing: 3px; color: var(--text-3); }
.cb-desc { margin-top: 10px; color: var(--text-2); font-size: 14.5px; max-width: 640px; line-height: 1.8; }
.cb-more { display: inline-block; margin-top: 16px; font-size: 13px; color: #9fdcff; letter-spacing: .5px; }
.cb-more i { display: inline-block; transition: transform .25s; }
.cb-more:hover i { transform: translateX(4px); }
.cb-count { flex: 0 0 auto; text-align: center; font-family: var(--mono); color: var(--text-3); }
.cb-count i { display: block; font-style: normal; font-size: 46px; font-weight: 800; color: var(--red-2); line-height: 1; }
.cb-products { margin-top: 28px; }

@media (max-width: 860px) {
  .cat-band-cover { height: 260px; }
  .cat-band-info { flex-wrap: wrap; gap: 16px; padding: 24px 26px; align-content: center; }
  .cb-icon { width: 56px; height: 56px; }
  .cb-icon svg { width: 28px; height: 28px; }
  .cb-title h3 { font-size: 22px; }
  .cb-count { display: none; }
}
@media (max-width: 640px) {
  .cat-band-info { flex-direction: column; align-items: flex-start; justify-content: center; }
  .cb-desc { font-size: 13.5px; }
}

/* ============ 首页 · 全宽主视觉 hero（变体12背景） ============ */
.home-hero {
  position: relative; display: flex; align-items: center;
  min-height: 430px; padding: 60px 0 46px; overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.home-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.home-hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(90deg, rgba(3,8,15,.97) 0%, rgba(5,12,20,.86) 46%, rgba(5,12,20,.38) 78%, rgba(5,12,20,.52) 100%);
}
.home-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, rgba(8,14,23,.10) 0%, rgba(8,14,23,.45) 62%, rgba(10,17,27,.96) 100%);
}
.home-hero-content { position: relative; z-index: 2; width: 100%; max-width: 860px; }
.home-hero .hero-kicker { margin-bottom: 18px; text-shadow: 0 1px 10px rgba(0,0,0,.7); }
.home-hero .ph-title { margin-bottom: 16px; text-shadow: 0 2px 16px rgba(0,0,0,.55); font-size: clamp(34px, 5vw, 58px); line-height: 1.18; }
.home-hero .ph-title .accent { color: #ff6a4d; text-shadow: 0 2px 14px rgba(0,0,0,.5); }
.home-hero .ph-sub { color: #eef5fb; font-size: 16.5px; max-width: 640px; text-shadow: 0 1px 10px rgba(0,0,0,.6); }
.home-hero-btns { display: flex; gap: 13px; margin-top: 26px; flex-wrap: wrap; }
.home-hero-btns .btn { padding: 12px 24px; font-size: 14px; font-weight: 600; }
/* 英文版首页 hero：内容宽度、字号、行距与中文版对齐统一 */
@media (min-width: 641px) {
  html[lang="en"] .home-hero-content { max-width: 860px; }
  html[lang="en"] .home-hero .ph-title { font-size: clamp(28px, 3.8vw, 48px); line-height: 1.28; letter-spacing: 0.5px; }
  html[lang="en"] .home-hero .ph-sub { font-size: 16px; max-width: 640px; }
}
/* 首页第一屏改为主视觉横幅后，公司介绍改为单列文本 */
.about-intro-single { grid-template-columns: 1fr; max-width: 900px; }

@media (max-width: 860px) {
  .home-hero { min-height: 380px; padding: 54px 0 42px; }
}
@media (max-width: 640px) {
  .home-hero { min-height: 360px; padding: 46px 0 38px; }
  .home-hero .ph-title { font-size: 27px; }
}

/* ============================================================
   首页三大数字化能力：全宽横幅（方案一统一骨架）
   ============================================================ */
/* —— 首页主视觉轮播（首屏 + 三大数字化能力） —— */
.banner-carousel { position: relative; min-height: 560px; background: var(--panel-2); overflow: hidden; }
.banner-carousel .track { display: flex; transition: transform .65s cubic-bezier(.25,.75,.3,1); }
.banner-carousel .bslide { position: relative; flex: 0 0 100%; min-width: 100%; }
.banner { position: relative; min-height: 560px; display: flex; align-items: center; overflow: hidden; background: var(--panel-2); }
.banner .bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.banner::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, rgba(10,17,27,.08) 0%, rgba(10,17,27,.38) 42%, rgba(10,17,27,.94) 100%);
}
.banner::after {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(90deg, rgba(10,17,27,.82) 0%, rgba(10,17,27,.42) 46%, rgba(10,17,27,.06) 100%);
}
.banner .b-inner { position: relative; z-index: 2; width: 100%; max-width: 860px; padding: 56px 0; }
.banner h1, .banner h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 700; letter-spacing: 1px; line-height: 1.3; color: #fff; text-shadow: 0 2px 16px rgba(0,0,0,.55); }
.banner h1 .accent, .banner h2 .accent { background: var(--grad-red); -webkit-background-clip: text; background-clip: text; color: transparent; }
.banner .lead { margin-top: 14px; font-size: 16.5px; color: #eef5fb; text-shadow: 0 1px 10px rgba(0,0,0,.7); }
.banner .body { margin-top: 14px; font-size: 14.5px; line-height: 2; color: #c6d6e6; text-shadow: 0 1px 8px rgba(0,0,0,.7); max-width: 760px; }
.cap-more { display: inline-flex; align-items: center; gap: 8px; margin-top: 28px; padding: 11px 22px; background: linear-gradient(135deg, #ff5438, #e4342b); color: #fff; border-radius: 8px; font-family: var(--mono); font-size: 12.5px; letter-spacing: 2px; font-weight: 600; transition: .25s; }
.cap-more:hover { filter: brightness(1.12); gap: 12px; color: #fff; }

/* 轮播导航：左右箭头 + 底部圆点 */
.cnav { position: absolute; top: 50%; transform: translateY(-50%); z-index: 5; width: 48px; height: 56px; border: none; cursor: pointer; background: rgba(10, 17, 27, .38); color: #eef5fb; font-size: 30px; line-height: 1; font-family: var(--mono); backdrop-filter: blur(4px); transition: .25s; }
.cnav:hover { background: var(--grad-red); color: #fff; }
.cnav--prev { left: 0; }
.cnav--next { right: 0; }
.cdot { position: absolute; left: 50%; transform: translateX(-50%); bottom: 18px; z-index: 5; display: flex; gap: 9px; }
.cdot span { width: 26px; height: 3px; border-radius: 2px; background: rgba(238,245,251,.32); cursor: pointer; transition: .3s; }
.cdot span.is-active { background: var(--grad-red); width: 42px; }

/* 英文版横幅：标题字号、字距与中文版对齐（英文长句适度防溢出），正文与中文完全一致 */
@media (min-width: 641px) {
  html[lang="en"] .banner h1, html[lang="en"] .banner h2 { font-size: clamp(25px, 3.5vw, 40px); line-height: 1.32; letter-spacing: 0.5px; }
  html[lang="en"] .banner .lead { font-size: 16px; }
  html[lang="en"] .banner .body { font-size: 14.5px; line-height: 2; }
}
@media (max-width: 860px) {
  .banner, .banner-carousel { min-height: 440px; }
  .banner .b-inner { padding: 48px 0; }
}
@media (max-width: 640px) {
  .banner, .banner-carousel { min-height: 400px; }
  .banner .b-inner { padding: 40px 0; }
  .banner h2 { font-size: 26px; }
  .banner .lead { font-size: 15px; }
  .banner .body { font-size: 13.5px; }
  .cnav { width: 38px; height: 44px; font-size: 24px; }
  .cdot { bottom: 12px; }
  .cdot span { width: 20px; }
  .cdot span.is-active { width: 32px; }
}