/* =============================================================
   main.css — 合并样式（非 header/footer）
   加载顺序: theme → base → components → home → page
   ============================================================= */



/* ---- base.css ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ff-cn);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-ink-800);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  font-weight: 700;
  color: var(--c-ink-900);
  line-height: 1.25;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(2.4rem, 4vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 2.6vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 1.8vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { margin: 0; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease-out); }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}
.debug{display: none;}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-blue-1);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--c-blue-1);
}

.section { padding: var(--section-y) 0; }
.section--tight { padding: 80px 0; }

/* Tiny utility for inline-styled margins */
.mt-14 { margin-top: 14px !important; }
.mt-18 { margin-top: 18px !important; }
.mt-22 { margin-top: 22px !important; }
.mt-24 { margin-top: 24px !important; }
.mt-32 { margin-top: 32px !important; }

/* Reveal — 默认直接显示，不做入场动画 */
.reveal {
  opacity: 1;
  transform: none;
}

/* Selection */
::selection { background: var(--c-blue-1); color: #fff; }

/* Scrollbar */
/* ::-webkit-scrollbar { width: 3px; height: 10px; } 
::-webkit-scrollbar-thumb { background: var(--c-ink-300); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-ink-500); }*/

/* ---- components.css ---- */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .02em;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out), background .3s var(--ease-out);
  white-space: nowrap;
}
.btn--primary {
  background: var(--brand-gradient-deep);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 24px 50px rgba(46,91,255,.35); }
.btn--ghost {
  background: rgba(255,255,255,.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,.4);
  backdrop-filter: blur(10px);
}
.btn--ghost:hover { background: rgba(255,255,255,.2); }
.btn--outline {
  background: transparent;
  color: var(--c-blue-1);
  border: 1.5px solid var(--c-blue-1);
}
.btn--outline:hover { background: var(--c-blue-1); color: #fff; }
.btn--block { width: 100%; justify-content: center; }
.btn--sm { padding: 10px 18px; font-size: 14px; }

/* ---- home.css ---- */

/* ---------- HERO (Full-screen Carousel Banner) ---------- */
.hero {
  position: relative;
  width: 100%;
  min-height: calc(100vh - 124px);
  overflow: hidden;
  isolation: isolate;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--header-h) + 24px);
  padding-bottom: 40px;
}

/* Slides layer */
.hero__slides {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  transform: scale(1.05);
}
.hero__slide.is-active {
  opacity: 1;
  transform: scale(1);
  animation: heroKenBurns 12s ease-in-out infinite alternate;
}
@keyframes heroKenBurns {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

/* Dark gradient veil for text legibility */
.hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg,
      rgba(14, 21, 48, .92) 0%,
      rgba(14, 21, 48, .82) 35%,
      rgba(14, 21, 48, .55) 65%,
      rgba(14, 21, 48, .35) 100%),
    linear-gradient(180deg,
      rgba(14, 21, 48, .35) 0%,
      rgba(14, 21, 48, .15) 30%,
      rgba(14, 21, 48, .55) 100%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  max-width: var(--content-max-width);
}

.hero__content {
  max-width: 680px;
  margin-left: 0;
  margin-right: auto;
}

/* Eyebrow */
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 18px 8px 8px;
  background: rgba(14, 21, 48, .55);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(10px);
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.95);
  margin-bottom: 28px;
}
.hero__pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--brand-gradient);
  border-radius: var(--r-pill);
  color: var(--c-ink-900);
  font-size: 11px;
  letter-spacing: .08em;
  font-weight: 800;
}
.hero__pill-dot {
  width: 6px; height: 6px;
  background: var(--c-ink-900);
  border-radius: 50%;
}
.hero__eyebrow-text { letter-spacing: .02em; }

/* Title */
.hero__title {
  font-family: var(--ff-cn);
  color: #fff;
  text-shadow: 0 4px 24px rgba(14, 21, 48, .55);
  margin-bottom: 28px;
}
.hero__title-line { display: block; }
.hero__title em {
  font-style: italic;
  font-family: var(--ff-display);
  font-size: clamp(2.4rem, 5.4vw, 4.6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.02em;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  padding-right: 8px;
}
.hero__title-rule {
  display: block;
  margin-top: 16px;
  font-family: var(--ff-display);
  font-style: italic;
  font-size: clamp(.95rem, 1.2vw, 1.15rem);
  font-weight: 400;
  color: rgba(255,255,255,.88);
  letter-spacing: .02em;
}

.hero__desc {
  color: rgba(255,255,255,.96);
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.85;
  text-shadow: 0 2px 8px rgba(14, 21, 48, .7);
  max-width: 580px;
  margin-bottom: 36px;
}

/* CTAs */
.hero__cta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero__cta .btn--primary {
  box-shadow: 0 12px 32px rgba(46, 91, 255, .35);
}
.hero__cta .btn--ghost {
  color: #fff;
  border: 1px solid rgba(255,255,255,.5);
  background: rgba(255,255,255,.05);
  backdrop-filter: blur(8px);
}
.hero__cta .btn--ghost:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.85);
}

/* Hero stats (bottom strip) */
.hero__stats {
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  z-index: 2;
  padding: 28px 0;
  background: linear-gradient(180deg, rgba(14, 21, 48, 0) 0%, rgba(14, 21, 48, .55) 100%);
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero__stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.hero__stat-num {
  font-family: var(--ff-display);
  font-size: clamp(1.6rem, 2vw, 2.4rem);
  font-weight: 800;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.hero__stat-num sup { font-size: .5em; }
.hero__stat-label {
  font-size: 13px;
  color: rgba(255,255,255,.88);
  margin-top: 8px;
  font-weight: 500;
}

/* Scroll hint */
.hero__scroll {
  position: absolute;
  bottom: 28px;
  right: 96px;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: .3em;
  color: rgba(255,255,255,.6);
  text-transform: uppercase;
  z-index: 3;
  pointer-events: none;
  animation: scrollHint 2.4s ease-in-out infinite;
}
.hero__scroll-line {
  width: 36px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,.9), rgba(255,255,255,0));
}
@keyframes scrollHint {
  0%, 100% { transform: translateY(0); opacity: .8; }
  50% { transform: translateY(8px); opacity: 1; }
}

/* Carousel navigation arrows */
.hero__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(10px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 4;
  transition: background .25s var(--ease-out), border-color .25s var(--ease-out), transform .25s var(--ease-out);
}
.hero__nav:hover { background: rgba(255,255,255,.25); border-color: rgba(255,255,255,.5); }
.hero__nav--prev { left: 24px; }
.hero__nav--next { right: 24px; }

/* Carousel dots */
.hero__dots {
  position: absolute;
  left: 50%;
  bottom: 60px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  z-index: 4;
  padding: 8px 16px;
  background: rgba(14, 21, 48, .35);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-pill);
}
.hero__dot {
  width: 24px; height: 24px;
  border: none; background: transparent;
  position: relative;
  cursor: pointer;
  padding: 0;
}
.hero__dot span {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  transition: width .3s var(--ease-out), background .3s var(--ease-out);
}
.hero__dot:hover span { background: rgba(255,255,255,.7); }
.hero__dot.is-active span {
  width: 22px;
  border-radius: 4px;
  background: var(--brand-gradient);
}

.hero__title {
  font-family: var(--ff-cn);
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  margin-bottom: 24px;
  color: var(--c-ink-900);
  font-weight: 900;
}
.hero__title > span,
.hero__title > em {
  background: var(--brand-gradient-deep);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  padding-right: 4px;
}
.hero__title > br + em { display: inline; }
.hero__title-rule {
  display: block;
  font-family: var(--ff-en);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  color: var(--c-ink-500);
  margin-top: 14px;
  letter-spacing: .04em;
  line-height: 1.4;
}

.hero__desc {
  font-size: 17px;
  line-height: 1.8;
  color: var(--c-ink-500);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,.18);
}
.hero__stat-num {
  font-family: var(--ff-display);
  font-size: clamp(1.6rem, 2vw, 2.4rem);
  font-weight: 800;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.hero__stat-label {
  font-size: 13px;
  color: rgba(255,255,255,.78);
  margin-top: 8px;
  font-weight: 500;
}

/* Hero mosaic */
.hero__mosaic {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  width: 100%;
  max-width: 460px;
  transform: rotate(-3deg);
  justify-self: end;
}
.hero__mosaic-item {
  position: relative;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.4);
  border-radius: var(--r-md);
  padding: 14px;
  box-shadow: var(--shadow-md);
  transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out);
  overflow: hidden;
}
.hero__mosaic-item:nth-child(2) { transform: translateY(-12px); }
.hero__mosaic-item:nth-child(4) { transform: translateY(8px); }
.hero__mosaic-item:nth-child(5) { transform: translateY(-6px); }
.hero__mosaic-item:hover { transform: translateY(-14px) scale(1.04); box-shadow: var(--shadow-lg); }
.hero__mosaic-item img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
}
.hero__mosaic-item-label {
  position: absolute;
  left: 10px;
  bottom: 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--c-ink-700);
  background: rgba(255,255,255,.85);
  padding: 2px 8px;
  border-radius: var(--r-pill);
  backdrop-filter: blur(4px);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Hero marquee */
.hero__marquee {
  margin-top: 80px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,.18);
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 2;
  overflow: hidden;
}
.hero__marquee-label {
  font-family: var(--ff-en);
  font-size: 12px;
  letter-spacing: .25em;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  flex-shrink: 0;
}
.hero__marquee-track {
  display: flex;
  gap: 60px;
  animation: scroll 30s linear infinite;
}
.hero__marquee-track span {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: 1.6rem;
  color: rgba(255,255,255,.55);
  font-weight: 500;
  white-space: nowrap;
}
@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- INTRO ---------- */
.intro {
  background: #fff;
  padding: var(--section-y) 0;
}
.intro__head {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  margin-bottom: 80px;
  align-items: center;
}
.intro__head-text { max-width: 520px; }
.intro__head-media { position: relative; }

.intro__media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16 / 10;
  background: var(--c-ink-100);
}
.intro__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .8s var(--ease-out);
}
.intro__media:hover img { transform: scale(1.04); }
.intro__media-overlay {
  position: absolute;
  left: 20px;
  bottom: 20px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  max-width: calc(100% - 40px);
}
.intro__media-tag {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 18px;
  background: rgba(14, 21, 48, .72);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--r-md);
  color: #fff;
  min-width: 88px;
}
.intro__media-tag-num {
  font-family: var(--ff-display);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.intro__media-tag-num sub, .intro__media-tag-num sup {
  font-size: .55em;
  -webkit-text-fill-color: currentColor;
  color: rgba(255,255,255,.85);
  font-weight: 600;
}
.intro__media-tag-text {
  font-size: 12px;
  color: rgba(255,255,255,.92);
  margin-top: 6px;
  font-weight: 500;
  letter-spacing: .02em;
}
.intro__title { font-size: clamp(2rem, 3vw, 2.8rem); }
.intro__title em {
  font-style: italic;
  font-family: var(--ff-display);
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.intro__lede {
  font-size: 16px;
  color: var(--c-ink-500);
  line-height: 1.85;
}

.intro__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.intro-card {
  position: relative;
  padding: 32px 28px;
  background: var(--c-ink-50);
  border-radius: var(--r-lg);
  border: 1px solid transparent;
  transition: transform .35s var(--ease-out), background .35s var(--ease-out), border-color .35s var(--ease-out);
  overflow: hidden;
}
.intro-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--brand-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease-out);
}
.intro-card:hover {
  transform: translateY(-6px);
  background: #fff;
  border-color: var(--c-ink-200);
  box-shadow: var(--shadow-md);
}
.intro-card:hover::before { transform: scaleX(1); }
.intro-card__head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.intro-card__icon {
  flex: 0 0 56px;
  width: 56px; height: 56px;
  border-radius: var(--r-md);
  background: var(--brand-gradient-soft);
  color: var(--c-blue-1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.intro-card__meta {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}
.intro-card__num {
  font-family: var(--ff-display);
  font-size: .85rem;
  color: var(--c-ink-400);
  font-weight: 700;
  letter-spacing: .12em;
}
.intro-card__title { font-size: 1.15rem; margin-top: 4px; }
.intro-card__desc { font-size: 14px; color: var(--c-ink-500); line-height: 1.7; }

/* ---------- ADVANTAGES ---------- */
.advantages {
  background: linear-gradient(180deg, #F8FAFF 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}
.advantages::before {
  content: "";
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: var(--brand-gradient);
  filter: blur(160px);
  opacity: .15;
}
.advantages__head {
  text-align: center;
  margin-bottom: 80px;
  position: relative;
}
.advantages__head h2 em {
  font-style: italic;
  font-family: var(--ff-display);
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.advantages__head p {
  margin-top: 16px;
  color: var(--c-ink-500);
  font-size: 16px;
}
.advantages__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}
.adv-card {
  position: relative;
  padding: 40px 32px;
  background: #fff;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-ink-200);
  overflow: hidden;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out);
}
.adv-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.adv-card__num {
  font-family: var(--ff-display);
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
  position: absolute;
  top: 12px; right: 24px;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: .15;
}
.adv-card__icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 26px;
  box-shadow: var(--shadow-brand);
}
.adv-card h3 { margin-bottom: 12px; font-size: 1.25rem; }
.adv-card p { color: var(--c-ink-500); font-size: 14.5px; line-height: 1.8; }
.adv-card--cta {
  background: var(--brand-gradient);
  color: #fff;
  border: none;
}
.adv-card--cta h3 { color: #fff; }
.adv-card--cta p { color: rgba(255,255,255,.85); }
.adv-card--cta .adv-card__num { opacity: .25; color: #fff; }
.adv-card--cta .adv-card__icon { background: #fff; color: var(--c-blue-1); }
.adv-card__tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.adv-card__tags span {
  font-size: 12px;
  padding: 4px 12px;
  background: var(--c-ink-100);
  color: var(--c-blue-1);
  border-radius: var(--r-pill);
  font-weight: 600;
}

/* ---------- TIMELINE ---------- */
.timeline-section {
  background: #fff;
  position: relative;
  overflow: hidden;
}
.timeline-section__wrap { position: relative; }
.timeline-section__head {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  margin-bottom: 24px;
  align-items: end;
}
.timeline-section__head h2 em {
  font-style: italic;
  font-family: var(--ff-display);
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.timeline-section__head p { color: var(--c-ink-500); font-size: 16px; }

.timeline {
  position: relative;
  padding: 40px 0 20px;
  max-width: 100%;
}
.timeline__viewport { position: relative; overflow: hidden; max-width: 100%; }
.timeline__track {
  display: flex;
  gap: 0;
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 0 8px 24px;
  scroll-behavior: smooth;
  scroll-snap-type: x proximity;
  max-width: 100%;
}
.timeline__track::-webkit-scrollbar { display: none; }
.timeline__viewport::before,
.timeline__viewport::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 60px;
  pointer-events: none;
  z-index: 2;
}
.timeline__viewport::before {
  left: 0;
  background: linear-gradient(90deg, #fff, rgba(255,255,255,0));
}
.timeline__viewport::after {
  right: 0;
  background: linear-gradient(-90deg, #fff, rgba(255,255,255,0));
}

.timeline__nav {
  position: absolute;
  top: 110px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--c-ink-200);
  color: var(--c-ink-800);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3;
  box-shadow: var(--shadow-md);
  transition: background .25s var(--ease-out), color .25s var(--ease-out), transform .25s var(--ease-out), border-color .25s var(--ease-out);
}
.timeline__nav:hover { background: var(--c-ink-900); color: #fff; border-color: var(--c-ink-900); }
.timeline__nav--prev { left: 8px; }
.timeline__nav--next { right: 8px; }
.timeline__nav:disabled,
.timeline__nav.is-disabled { opacity: .35; cursor: not-allowed; }
.timeline__line {
  position: absolute;
  top: 100px;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-ink-300) 5%, var(--c-ink-300) 95%, transparent);
}
.timeline__line-fill {
  position: absolute;
  inset: 0;
  background: var(--brand-gradient);
  /* width: var(--progress, 0%); */
  transition: width .4s var(--ease-out);
}
.timeline-step {
  flex: 0 0 260px;
  position: relative;
  padding: 0 16px;
  scroll-snap-align: start;
}
.timeline-step__dot {
  position: absolute;
  top: 92px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--c-ink-300);
  z-index: 2;
  transition: all .3s var(--ease-out);
}
.timeline-step.is-done .timeline-step__dot {
  border-color: var(--c-blue-1);
  background: var(--brand-gradient);
  box-shadow: 0 0 0 6px rgba(46,91,255,.15);
}
.timeline-step.is-current .timeline-step__dot {
  background: var(--brand-gradient);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(46,91,255,.4); }
  50% { box-shadow: 0 0 0 12px rgba(46,91,255,0); }
}
.timeline-step__year {
  font-family: var(--ff-display);
  font-size: 2.6rem;
  font-weight: 700;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-align: center;
  line-height: 1;
}
.timeline-step__card {
  margin-top: 40px;
  padding: 24px 20px;
  background: var(--c-ink-50);
  border-radius: var(--r-md);
  text-align: center;
  transition: background .3s var(--ease-out), transform .3s var(--ease-out);
}
.timeline-step:hover .timeline-step__card {
  background: #fff;
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.timeline-step__title { font-size: 1rem; margin: 8px 0 8px; }
.timeline-step__desc { font-size: 13px; color: var(--c-ink-500); line-height: 1.65; }

/* ---------- PRODUCTS SHOWCASE ---------- */
.products-showcase {
  background: linear-gradient(180deg, #ffffff 0%, #F8FAFF 100%);
  position: relative;
  overflow: hidden;
}
.products-showcase::before {
  content: "";
  position: absolute;
  top: 10%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(166,233,78,.18), transparent 70%);
  filter: blur(80px);
  pointer-events: none;
}
.products-showcase__head {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  margin-bottom: 56px;
  align-items: end;
}
.products-showcase__head h2 em {
  font-style: italic;
  font-family: var(--ff-display);
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.products-showcase__lede {
  color: var(--c-ink-500);
  font-size: 16px;
  line-height: 1.85;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}
.product-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-ink-200);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .35s var(--ease-out);
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.product-card__media {
  position: relative;
  aspect-ratio: 1/1;
  overflow: hidden;
  background: linear-gradient(180deg, #F8FAFF 0%, #ffffff 100%);
}
.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease-out);
}
.product-card:hover .product-card__media img { transform: scale(1.06); }
.product-card__tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 12px;
  background: rgba(14, 21, 48, .8);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--r-pill);
  letter-spacing: .02em;
}
.product-card__body { padding: 26px 24px 24px; }
.product-card__no {
  font-family: var(--ff-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-ink-400);
  letter-spacing: .15em;
}
.product-card__body h3 {
  margin-top: 8px;
  margin-bottom: 12px;
  font-size: 1.25rem;
}
.product-card__body p {
  color: var(--c-ink-500);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 18px;
}
.product-card__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  color: var(--c-blue-1);
  font-size: 14px;
  transition: gap .3s var(--ease-out), color .3s var(--ease-out);
}
.product-card__link:hover {
  gap: 10px;
  color: var(--c-blue-2);
}

.products-showcase__cta {
  margin-top: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 36px;
  background: linear-gradient(135deg, rgba(166,233,78,.12), rgba(46,91,255,.1));
  border: 1px solid var(--c-ink-200);
  border-radius: var(--r-lg);
}
.products-showcase__cta span {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-ink-800);
}

/* ---------- RESPONSIVE (home) ---------- */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .products-showcase__head { grid-template-columns: 1fr; gap: 24px; }
  .products-showcase__cta { flex-direction: column; align-items: flex-start; text-align: left; }
}
@media (max-width: 640px) {
  .hero__dots { bottom: 40px; }
  .hero__scroll { bottom: 40px; left: 76px; }
  .hero__nav--prev { left: 12px; }
  .hero__nav--next { right: 12px; }
  .intro__head { grid-template-columns: 1fr; gap: 32px; }
  .intro__head-text { max-width: 100%; }
  .timeline__nav--prev { left: 4px; }
  .timeline__nav--next { right: 4px; }
}
@media (max-width: 640px) {
  .hero { padding: 60px 0 80px; min-height: auto; min-height: 600px; }
  .hero__visual { display: none; }
  .hero__chip { display: none; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .hero__stats-inner { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .hero__stats { position: static; padding: 20px 0; margin-top: 40px; }
  .hero__scroll { display: none; }
  .hero__nav { width: 36px; height: 36px; }
  .intro__grid, .advantages__grid, .products-grid { grid-template-columns: 1fr; }
  .footer-main__grid { grid-template-columns: 1fr; gap: 32px; }
  .timeline-step { flex: 0 0 240px; }
  .timeline__nav { width: 36px; height: 36px; top: 120px; }
  .container { width: calc(100% - 32px); }
  .footer-cta__form { padding: 24px; }
  .products-showcase__cta { padding: 20px; }
}

/* ---- page.css ---- */

/* ---------- Page hero (sub-banner) ---------- */
.page-hero {
  position: relative;
  width: 100%;
  min-height: 480px;
  padding: calc(var(--header-h) + 60px) 0 80px;
  overflow: hidden;
  isolation: isolate;
  color: #fff;
  display: flex;
  align-items: center;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: pageHeroZoom 16s ease-in-out infinite alternate;
}
.page-hero__bg[data-bg]::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--bg);
  background-size: cover;
  background-position: center;
}
/* Predefined backgrounds via data-bg attribute */

@keyframes pageHeroZoom {
  from { transform: scale(1); }
  to   { transform: scale(1.1); }
}
.page-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg,
      rgba(14, 21, 48, .85) 0%,
      rgba(14, 21, 48, .55) 50%,
      rgba(14, 21, 48, .35) 100%),
    linear-gradient(180deg,
      rgba(14, 21, 48, .25) 0%,
      rgba(14, 21, 48, 0) 30%,
      rgba(14, 21, 48, .55) 100%);
}
.page-hero__inner { position: relative; z-index: 2; max-width: 800px; }
.page-hero__eyebrow {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(10px);
  color: #fff;
  border-radius: var(--r-pill);
  font-size: 12px;
  letter-spacing: .18em;
  font-weight: 700;
  margin-bottom: 24px;
}
.page-hero__title {
  font-family: var(--ff-cn);
  color: #fff;
  text-shadow: 0 4px 24px rgba(14, 21, 48, .55);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
}
.page-hero__title em {
  font-style: italic;
  font-family: var(--ff-display);
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.page-hero__lede {
  color: rgba(255,255,255,.92);
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.85;
  text-shadow: 0 2px 8px rgba(14, 21, 48, .55);
  max-width: 640px;
}

/* ---------- Alt background ---------- */
.section--alt {
  background: linear-gradient(180deg, #F8FAFF 0%, #ffffff 100%);
  position: relative;
}

/* ---------- About page ---------- */
.about-story {
  display: grid;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}
.about-story__text h2 {
  font-size: clamp(1.8rem, 2.6vw, 2.6rem);
  line-height: 1.25;
  color: var(--c-ink-900);
  font-weight: 700;
}
.about-story__text h2 em {
  font-style: italic;
  font-family: var(--ff-display);
  background: var(--brand-gradient-deep);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.about-story__text p {
  color: var(--c-ink-500);
  font-size: 16px;
  line-height: 1.85;
  margin: 20px 0;
}
.about-story__text img{margin:0 auto;}
.about-story__text .btn { margin-top: 8px; }
.about-story__media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
  background: var(--c-ink-100);
}
.about-story__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .8s var(--ease-out);
}
.about-story__media:hover img { transform: scale(1.04); }

.about-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 48px 32px;
  background: linear-gradient(135deg, #0E1530 0%, #1A2240 100%);
  border-radius: var(--r-lg);
  position: relative;
  overflow: hidden;
}
.about-metrics::before {
  content: "";
  position: absolute;
  top: -50%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(166,233,78,.2), transparent 70%);
  pointer-events: none;
}
.about-metric { text-align: center; color: #fff; position: relative; z-index: 1; }
.about-metric__num {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 800;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.about-metric__num sub, .about-metric__num sup {
  font-size: .55em;
  -webkit-text-fill-color: currentColor;
  color: rgba(255,255,255,.85);
  font-weight: 600;
}
.about-metric__label {
  font-size: 14px;
  color: rgba(255,255,255,.75);
  margin-top: 12px;
  font-weight: 500;
}

.certs h2 {
  font-size: clamp(1.8rem, 2.6vw, 2.6rem);
  line-height: 1.25;
  color: var(--c-ink-900);
  font-weight: 700;
}
.certs h2 em {
  font-style: italic;
  font-family: var(--ff-display);
  background: var(--brand-gradient-deep);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.certs__list {
  list-style: none;
  padding: 0;
  margin: 40px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.certs__list li {
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--c-ink-200);
  border-radius: var(--r-md);
  font-size: 15px;
  color: var(--c-ink-700);
  font-weight: 500;
  transition: transform .25s var(--ease-out), border-color .25s var(--ease-out), box-shadow .25s var(--ease-out);
}
.certs__list li:hover {
  transform: translateY(-3px);
  border-color: var(--c-blue-1);
  box-shadow: var(--shadow-md);
}
.certs__list li span {
  display: inline-block;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--c-blue-1);
  margin-right: 12px;
  letter-spacing: .02em;
}

/* ---------- Products page ---------- */
.product-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
  padding: 14px;
  background: var(--c-ink-50);
  border-radius: var(--r-pill);
  width: max-content;
  max-width: 100%;
}
.product-filter__btn {
  border: none;
  background: transparent;
  color: var(--c-ink-600);
  font-weight: 600;
  font-size: 14px;
  padding: 8px 18px;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background .25s var(--ease-out), color .25s var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
}
.product-filter__btn span {
  font-size: 12px;
  color: var(--c-ink-400);
  font-weight: 600;
}
.product-filter__btn:hover { color: var(--c-ink-900); }
.product-filter__btn.is-active {
  background: #fff;
  color: var(--c-ink-900);
  box-shadow: var(--shadow-sm);
}
.product-filter__btn.is-active span { color: var(--c-blue-1); }





/* ---------- News page ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: #fff;
  border: 1px solid var(--c-ink-200);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.news-card__media { display: block; }
.news-card__cover {
  aspect-ratio: 16 / 9;
  position: relative;
}
.news-card__cover[data-cover="1"] { background: linear-gradient(135deg,#A6E94E,#22C7B2); }
.news-card__cover[data-cover="2"] { background: linear-gradient(135deg,#22C7B2,#2E5BFF); }
.news-card__cover[data-cover="3"] { background: linear-gradient(135deg,#2E5BFF,#0E1530); }
.news-card__cover[data-cover="4"] { background: linear-gradient(135deg,#FFB347,#FF6B6B); }
.news-card__cover[data-cover="5"] { background: linear-gradient(135deg,#A6E94E,#2E5BFF); }
.news-card__cover[data-cover="6"] { background: linear-gradient(135deg,#22C7B2,#A6E94E); }
.news-card__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14,21,48,.05), rgba(14,21,48,.25));
}
.news-card__body { padding: 24px 24px 28px; }
.news-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--c-ink-500);
  margin-bottom: 12px;
}
.news-card__date { font-weight: 600; }
.news-card__tag {
  padding: 3px 10px;
  background: var(--brand-gradient-soft);
  color: var(--c-blue-1);
  border-radius: var(--r-pill);
  font-weight: 700;
}
.news-card h3 {
  font-size: 1.1rem;
  line-height: 1.5;
  margin-bottom: 10px;
}
.news-card h3 a:hover { color: var(--c-blue-1); }
.news-card p {
  font-size: 14px;
  color: var(--c-ink-500);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card__link {
  display: inline-flex;
  margin-top: 16px;
  font-weight: 700;
  font-size: 14px;
  color: var(--c-blue-1);
}

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.contact-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.contact-card {
  padding: 28px 24px;
  background: #fff;
  border: 1px solid var(--c-ink-200);
  border-radius: var(--r-lg);
  transition: transform .3s var(--ease-out), border-color .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-blue-1);
  box-shadow: var(--shadow-md);
}
.contact-card__icon {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  background: var(--brand-gradient-soft);
  color: var(--c-blue-1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.contact-card h4 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--c-ink-900);
}
.contact-card p {
  font-size: 14px;
  color: var(--c-ink-700);
  line-height: 1.7;
}
.contact-card p a:hover { color: var(--c-blue-1); }
.contact-card__hint {
  font-size: 12px !important;
  color: var(--c-ink-500) !important;
  margin-top: 4px;
}

.contact-form {
  padding: 40px;
  background: #fff;
  border: 1px solid var(--c-ink-200);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}
.contact-form h3 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}
.contact-form__lede {
  color: var(--c-ink-500);
  font-size: 14px;
  margin-bottom: 28px;
  line-height: 1.7;
}
.contact-form .field { display: block; margin-bottom: 18px; }
.contact-form .field span {
  display: block;
  font-size: 13px;
  color: var(--c-ink-800);
  font-weight: 600;
  margin-bottom: 6px;
}
.contact-form .field input,
.contact-form .field select,
.contact-form .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--c-ink-200);
  border-radius: var(--r-md);
  font: inherit;
  color: var(--c-ink-800);
  background: #fff;
  transition: border-color .2s var(--ease-out), box-shadow .2s var(--ease-out);
}
.contact-form .field input:focus,
.contact-form .field select:focus,
.contact-form .field textarea:focus {
  outline: none;
  border-color: var(--c-blue-1);
  box-shadow: 0 0 0 3px rgba(46, 91, 255, .15);
}
.contact-form textarea { resize: vertical; min-height: 100px; }

/* ---------- Product detail ---------- */
/* =====================================================
   Product Detail (简洁版)
   结构: 面包屑 / 主图+缩略图 / 标题+正文
   ===================================================== */
.pd-main {
  padding: 32px 0 80px;
  background: var(--c-white);
}
.pd-wrap {
  max-width: 880px;
}

.pd-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--c-ink-500);
  margin-bottom: 32px;
}
.pd-breadcrumb a {
  color: var(--c-ink-500);
  transition: color .2s var(--ease-out);
}
.pd-breadcrumb a:hover { color: var(--c-blue-1); }
.pd-breadcrumb span[aria-hidden="true"] { color: var(--c-ink-300); }
.pd-breadcrumb span:last-child {
  color: var(--c-ink-900);
  font-weight: 600;
}

/* Gallery */
.pd-gallery { margin-bottom: 56px; }
.pd-gallery__hero {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-ink-50);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px;
  border: 1px solid var(--c-ink-200);
}
.pd-gallery__hero img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: opacity .25s var(--ease-out);
}
.pd-gallery__thumbs {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.pd-thumb {
  width: 80px;
  height: 80px;
  padding: 6px;
  border-radius: var(--r-md);
  border: 2px solid var(--c-ink-200);
  background: var(--c-ink-50);
  cursor: pointer;
  overflow: hidden;
  transition: border-color .2s var(--ease-out), transform .2s var(--ease-out);
}
.pd-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: calc(var(--r-md) - 4px);
}
.pd-thumb:hover { border-color: var(--c-ink-300); }
.pd-thumb.is-active {
  border-color: var(--c-blue-1);
  transform: translateY(-2px);
}

/* Content */
.pd-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.25;
  margin-bottom: 24px;
  color: var(--c-ink-900);
}
.pd-body {
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-ink-800);
}
.pd-body p { margin: 0 0 16px; }
.pd-body p:last-child { margin-bottom: 0; }
.pd-body__summary {
  font-size: 17px;
  color: var(--c-ink-700);
  padding-left: 16px;
  border-left: 3px solid var(--brand-gradient-deep);
  margin-bottom: 24px;
}

@media (max-width: 860px) {
  .pd-main { padding-top: calc(var(--header-h) + 16px); }
  .pd-gallery__hero { padding: 32px; }
  .pd-thumb { width: 64px; height: 64px; }
}
@media (max-width: 640px) {
  .pd-thumb { width: 56px; height: 56px; padding: 4px; }
  .pd-gallery__hero { padding: 20px; }
}

/* ---------- Overview (gallery + aside) ---------- */
.pd-overview {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: start;
  margin-bottom: 80px;
}
.pd-overview .pd-gallery { margin-bottom: 0; }
.pd-aside { display: flex; flex-direction: column; gap: 24px; }
.pd-aside .pd-title { margin-bottom: 0; }
.pd-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pd-highlights li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--c-ink-700);
  padding: 10px 14px;
  background: var(--c-ink-50);
  border-radius: var(--r-md);
}
.pd-highlights li svg {
  flex-shrink: 0;
  color: var(--brand-gradient-deep, var(--c-blue-1));
  background: #fff;
  border-radius: 50%;
  padding: 4px;
  width: 24px;
  height: 24px;
}
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.pd-actions .btn { flex: 1 1 160px; justify-content: center; }
.pd-actions .btn--primary svg { margin-left: 4px; }

@media (max-width: 860px) {
  .pd-overview { grid-template-columns: 1fr; gap: 40px; }
  .pd-aside .pd-title { font-size: 1.6rem; }
}

/* ---------- Section heading ---------- */
.pd-section { margin-bottom: 80px; }
.pd-section__head {
  margin-bottom: 32px;
  text-align: center;
}
.pd-section__head .eyebrow { display: inline-block; margin-bottom: 8px; }
.pd-section__head h2 {
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  margin: 0;
  color: var(--c-ink-900);
  font-weight: 700;
}
.pd-specs__body {
  line-height: 1.5;
}
.pd-specs__body img {
  margin: 0 auto;
}
/* ---------- Specs table ---------- */
.pd-specs__table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--c-ink-200);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.pd-specs__table th,
.pd-specs__table td {
  text-align: left;
  padding: 16px 24px;
  font-size: 14px;
  border-bottom: 1px solid var(--c-ink-100);
}
.pd-specs__table tr:last-child th,
.pd-specs__table tr:last-child td { border-bottom: 0; }
.pd-specs__table th {
  width: 180px;
  font-weight: 600;
  color: var(--c-ink-700);
  background: var(--c-ink-50);
}
.pd-specs__table td { color: var(--c-ink-800); }
@media (max-width: 640px) {
  .pd-specs__table th,
  .pd-specs__table td { padding: 12px 16px; font-size: 13px; }
  .pd-specs__table th { width: 110px; }
}

/* ---------- Process steps ---------- */
.pd-process__steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: pdProcess;
}
.pd-process__steps > li {
  background: #fff;
  border: 1px solid var(--c-ink-200);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  position: relative;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.pd-process__steps > li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.pd-process__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 16px;
}
.pd-process__steps h4 { margin: 0 0 8px; font-size: 1.05rem; color: var(--c-ink-900); }
.pd-process__steps p { margin: 0; font-size: 14px; line-height: 1.7; color: var(--c-ink-500); }
@media (max-width: 860px) { .pd-process__steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .pd-process__steps { grid-template-columns: 1fr; } }

/* ---- News detail ---- */
.news-detail__header {
  position: relative;
  padding: 80px 0;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
  background: var(--news-cover, linear-gradient(135deg,#A6E94E,#22C7B2));
}
.news-detail__header[data-cover="1"] { --news-cover: linear-gradient(135deg,#A6E94E,#22C7B2); }
.news-detail__header[data-cover="2"] { --news-cover: linear-gradient(135deg,#22C7B2,#2E5BFF); }
.news-detail__header[data-cover="3"] { --news-cover: linear-gradient(135deg,#2E5BFF,#0E1530); }
.news-detail__header[data-cover="4"] { --news-cover: linear-gradient(135deg,#FFB347,#FF6B6B); }
.news-detail__header[data-cover="5"] { --news-cover: linear-gradient(135deg,#A6E94E,#2E5BFF); }
.news-detail__header[data-cover="6"] { --news-cover: linear-gradient(135deg,#22C7B2,#A6E94E); }
.news-detail__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg,
      rgba(14, 21, 48, .85) 0%,
      rgba(14, 21, 48, .55) 50%,
      rgba(14, 21, 48, .35) 100%),
    linear-gradient(180deg,
      rgba(14, 21, 48, .25) 0%,
      rgba(14, 21, 48, 0) 30%,
      rgba(14, 21, 48, .55) 100%);
}
.news-detail__header-inner { position: relative; z-index: 2; max-width: 880px; }
.news-detail__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.7);
  margin-bottom: 24px;
  font-weight: 500;
}
.news-detail__breadcrumb a { color: rgba(255,255,255,.85); transition: color .2s var(--ease-out); }
.news-detail__breadcrumb a:hover { color: var(--c-green-1); }
.news-detail__breadcrumb span:last-child { color: #fff; }
.news-detail__header-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.news-detail__tag {
  padding: 4px 12px;
  background: var(--brand-gradient);
  color: var(--c-ink-900);
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 700;
}
.news-detail__date {
  font-family: var(--ff-en);
  font-size: 13px;
  color: rgba(255,255,255,.9);
  font-weight: 500;
  letter-spacing: .04em;
}
.news-detail__read { font-size: 13px; color: rgba(255,255,255,.75); }
.news-detail__title {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.25;
  color: #fff;
  text-shadow: 0 4px 24px rgba(14, 21, 48, .55);
  font-weight: 700;
  margin-bottom: 18px;
}
.news-detail__lede {
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.85;
  color: rgba(255,255,255,.92);
  max-width: 720px;
  text-shadow: 0 2px 8px rgba(14, 21, 48, .55);
}
.news-detail__body {
  max-width: 880px;
  margin: 0 auto;
  padding-top: 60px;
  padding-bottom: 80px;
}
.news-detail__article {
  font-size: 16px;
  line-height: 1.95;
  color: var(--c-ink-700);
}
.news-detail__article h2 {
  font-size: 1.6rem;
  color: var(--c-ink-900);
  margin: 40px 0 16px;
  font-weight: 700;
  line-height: 1.3;
}
.news-detail__article h3 {
  font-size: 1.2rem;
  color: var(--c-ink-900);
  margin: 28px 0 12px;
  font-weight: 700;
}
.news-detail__article p { margin: 16px 0; color: var(--c-ink-700); }
.news-detail__article ul, .news-detail__article ol { margin: 16px 0; padding-left: 24px; }
.news-detail__article li { margin: 8px 0; color: var(--c-ink-700); }
.news-detail__article blockquote {
  margin: 32px 0;
  padding: 24px 32px;
  background: linear-gradient(135deg, rgba(166,233,78,.08), rgba(34,199,178,.06));
  border-left: 4px solid var(--c-green-1);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-style: italic;
  color: var(--c-ink-800);
  font-size: 17px;
  line-height: 1.8;
}
.news-detail__article strong { color: var(--c-ink-900); font-weight: 700; }
.news-detail__loading { text-align: center; color: var(--c-ink-400); padding: 40px 0; }
.news-detail__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 32px 0;
  margin: 40px 0 0;
  border-top: 1px solid var(--c-ink-200);
  border-bottom: 1px solid var(--c-ink-200);
  flex-wrap: wrap;
}
.news-detail__tags { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.news-detail__tags-label { font-size: 14px; color: var(--c-ink-500); font-weight: 500; }
.news-detail__tags a {
  padding: 4px 12px;
  background: var(--c-ink-100);
  border-radius: var(--r-pill);
  font-size: 12px;
  color: var(--c-ink-700);
  font-weight: 500;
  transition: background .2s var(--ease-out), color .2s var(--ease-out);
}
.news-detail__tags a:hover { background: var(--c-blue-1); color: #fff; }
.news-detail__share { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--c-ink-500); font-weight: 500; }
.news-detail__share a {
  width: 32px; height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-ink-100);
  border-radius: 50%;
  color: var(--c-ink-700);
  transition: background .2s var(--ease-out), color .2s var(--ease-out);
}
.news-detail__share a:hover { background: var(--c-blue-1); color: #fff; }
.news-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 40px 0;
}
.news-pager__item {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--c-ink-200);
  border-radius: var(--r-md);
  transition: border-color .25s var(--ease-out), transform .25s var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.news-pager__item:hover { border-color: var(--c-blue-1); transform: translateY(-2px); }
.news-pager__item--right { text-align: right; }
.news-pager__item--center { text-align: center; max-width: 280px; margin: 0 auto; }
.news-pager__label { font-size: 12px; color: var(--c-blue-1); font-weight: 600; letter-spacing: .04em; }
.news-pager__title { font-size: 15px; color: var(--c-ink-900); font-weight: 600; line-height: 1.5; }
.news-related h2 { font-size: 1.4rem; color: var(--c-ink-900); margin-bottom: 24px; }
.news-related .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.contact-side { display: flex; flex-direction: column; gap: 32px; justify-self: stretch; }
.contact-factory {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  background: #0E1530;
  box-shadow: var(--shadow-md);
}
.contact-factory img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}
.contact-factory:hover img { transform: scale(1.04); }
.contact-factory figcaption {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  padding: 18px 22px;
  background: rgba(14, 21, 48, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--r-md);
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contact-factory figcaption strong {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.contact-factory figcaption span {
  font-size: 13px;
  opacity: 0.82;
}
@media (max-width: 800px) {
  .contact-factory figcaption { left: 16px; right: 16px; bottom: 16px; padding: 14px 16px; }
}
.faq {
  background: #fff;
  border: 1px solid var(--c-ink-200);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  padding: 36px 40px;
}
.faq h3 { font-size: 1.4rem; margin-bottom: 24px; }
.faq h3 em {
  font-style: italic;
  font-family: var(--ff-display);
  font-size: 1rem;
  color: var(--c-ink-400);
  margin-left: 8px;
  font-weight: 500;
}
.faq__item { border-top: 1px solid var(--c-ink-200); padding: 18px 0; }
.faq__item:last-of-type { border-bottom: 1px solid var(--c-ink-200); }
.faq__item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--c-ink-800);
  font-size: 15px;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: color .2s var(--ease-out);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  font-family: var(--ff-display);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--c-blue-1);
  line-height: 1;
  transition: transform .25s var(--ease-out);
}
.faq__item[open] summary::after { content: "−"; }
.faq__item summary:hover { color: var(--c-blue-1); }
.faq__item p { margin: 14px 0 0; color: var(--c-ink-500); font-size: 14px; line-height: 1.75; }

.hours {
  background: linear-gradient(135deg, #0E1530 0%, #1A2240 100%);
  border-radius: var(--r-lg);
  padding: 32px 36px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hours::before {
  content: "";
  position: absolute;
  top: -40%; right: -10%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(166,233,78,.18), transparent 70%);
  pointer-events: none;
}
.hours h4 { font-size: 1.05rem; color: #fff; margin-bottom: 20px; position: relative; }
.hours ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; position: relative; }
.hours li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: rgba(255,255,255,.85);
  padding: 10px 0;
  border-top: 1px solid rgba(255,255,255,.1);
}
.hours li:last-child { border-bottom: 1px solid rgba(255,255,255,.1); }
.hours li strong { font-weight: 600; color: var(--c-green-1); font-family: var(--ff-display); }

@media (max-width: 1024px) {
  .about-story { grid-template-columns: 1fr; gap: 32px; }
  .about-metrics { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; padding: 40px 24px; }
  .certs__list { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; align-items: start; }
  .product-filter { width: 100%; }
  .faq { padding: 24px; }
  .hours { padding: 24px; }
  .product-detail { grid-template-columns: 1fr; gap: 40px; }
  .product-detail__media { position: static; }
  .product-usecases__grid { grid-template-columns: repeat(2, 1fr); }
  .product-specs { padding: 32px 24px; }
}
@media (max-width: 640px) {
  .page-hero { min-height: 380px; padding-top: calc(var(--header-h) + 32px); padding-bottom: 60px; }
  .about-metrics { grid-template-columns: 1fr 1fr; gap: 24px 16px; }
  .certs__list { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .contact-info { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }

  .product-specs__grid { grid-template-columns: 1fr; }
  .product-specs__row { border-left: 0 !important; }
  .product-usecases__grid { grid-template-columns: 1fr; }
  .product-specs { padding: 24px 16px; }
}


/* =============================================================
   layout.css — header + footer 布局样式（单独保留）
   ============================================================= */

/* ---------- Header (常驻深色背景) ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14, 21, 48, .94);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  backdrop-filter: saturate(180%) blur(18px);
  box-shadow: 0 4px 24px rgba(14, 21, 48, .08);
}

.topbar {
  background: transparent;
  color: rgba(255, 255, 255, .95);
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.topbar__inner {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.topbar__left, .topbar__right { display: flex; align-items: center; gap: 24px; }
.topbar__item { display: inline-flex; align-items: center; gap: 6px; }
.topbar__item strong { color: var(--c-green-1); font-weight: 700; margin-left: 2px; }
.topbar__quote {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  background: var(--brand-gradient);
  color: var(--c-ink-900);
  font-weight: 700;
  transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out);
  box-shadow: 0 6px 16px rgba(46,91,255,.25);
}
.topbar__quote:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(166,233,78,.4); }

.navbar { padding: 14px 0; }
.navbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark { display: inline-flex; filter: drop-shadow(0 6px 12px rgba(46,91,255,.18)); }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__cn { font-size: 18px; font-weight: 800; color: #fff; letter-spacing: .04em; }
.brand__en { font-family: var(--ff-en); font-size: 11px; font-weight: 600; letter-spacing: .25em; color: rgba(255,255,255,.65); margin-top: 4px; }
.brand__mark_img{width: 60px;height: 60px;border-radius: 50%;}
.brand__mark_img2{width: 40px;height: 40px;border-radius: 50%;}

.nav__list { display: flex; align-items: center; gap: 8px; }
.nav__item > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 12px 16px;
  font-weight: 700;
  font-size: 15px;
  color: rgba(255,255,255,.95);
  border-radius: var(--r-md);
  transition: color .25s var(--ease-out), background .25s var(--ease-out);
}
.nav__item > a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 2px;
  background: var(--brand-gradient);
  border-radius: 2px;
  transition: width .3s var(--ease-out), left .3s var(--ease-out);
}
.nav__item:hover > a,
.nav__item.is-active > a { color: #fff; background: rgba(255,255,255,.08); }
.nav__item:hover > a::after,
.nav__item.is-active > a::after { width: 24px; left: calc(50% - 12px); }

.nav__caret { color: rgba(255,255,255,.95); transition: transform .25s var(--ease-out); }
.nav__item--has-dropdown { position: relative; }
.nav__sub {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 200px;
  background: #fff;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out), visibility .25s;
}
.nav__item--has-dropdown:hover .nav__sub,
.nav__item--has-dropdown:focus-within .nav__sub { opacity: 1; visibility: visible; transform: none; }
.nav__item--has-dropdown:hover .nav__caret { transform: rotate(180deg); }
.nav__sub li a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--c-ink-700);
  border-radius: 8px;
  transition: background .2s var(--ease-out), color .2s var(--ease-out);
}
.nav__sub li a:hover { background: var(--c-ink-100); color: var(--c-blue-1); }

.navbar__toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.navbar__toggle span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: background .3s var(--ease-out); }

/* ---------- Lang switcher ---------- */
.lang-switcher { position: relative; }
.lang-switcher__toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: rgba(255,255,255,.1);
  color: #fff;
  font-size: 13px;
  transition: background .25s var(--ease-out);
}
.lang-switcher__toggle:hover { background: rgba(255,255,255,.2); }
.lang-switcher__menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: #fff;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out), visibility .25s;
  max-height: 380px;
  overflow-y: auto;
  z-index: 10;
}
.lang-switcher.is-open .lang-switcher__menu { opacity: 1; visibility: visible; transform: none; }
.lang-switcher__menu li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--c-ink-700);
  cursor: pointer;
  transition: background .2s var(--ease-out), color .2s var(--ease-out);
}
.lang-switcher__menu li:hover { background: var(--c-ink-100); color: var(--c-blue-1); }
.lang-switcher__menu li.is-active { background: var(--brand-gradient-soft); color: var(--c-blue-1); font-weight: 600; }
.lang-switcher__flag {
  width: 22px; height: 14px;
  border-radius: 2px;
  overflow: hidden;
  display: inline-flex;
  box-shadow: 0 0 0 1px rgba(0,0,0,.08);
}
.lang-switcher__flag svg { display: block; }
.lang-switcher__more { position: relative; }
.lang-switcher__more > button {
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--c-ink-500);
  font-weight: 600;
}
.lang-switcher__more:hover > button { background: var(--c-ink-100); color: var(--c-blue-1); }
.lang-switcher__sub {
  position: absolute;
  right: 100%;
  top: 0;
  min-width: 140px;
  background: #fff;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  margin-right: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(6px);
  transition: opacity .2s var(--ease-out), transform .2s var(--ease-out), visibility .2s;
}
.lang-switcher__more:hover .lang-switcher__sub { opacity: 1; visibility: visible; transform: none; }
.lang-switcher__sub li { padding: 6px 10px; font-size: 13px; }

/* ---------- Footer ---------- */
.site-footer { margin-top: 0; }

.footer-cta {
  background:
    radial-gradient(circle at 20% 20%, rgba(166,233,78,.35), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(46,91,255,.4), transparent 55%),
    linear-gradient(135deg, #0E1530 0%, #1A2240 60%, #2E5BFF 200%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.footer-cta::before {
  content: "";
  position: absolute;
  inset: -50% -10% auto auto;
  width: 600px; height: 600px;
  background: var(--brand-gradient);
  filter: blur(120px);
  opacity: .25;
  pointer-events: none;
}
.footer-cta__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
  padding: 100px 0;
  position: relative;
}
.footer-cta__eyebrow {
  font-family: var(--ff-en);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--c-green-1);
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 16px;
}
.footer-cta__title {
  color: #fff;
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin-bottom: 16px;
  line-height: 1.2;
}
.footer-cta__sub {
  color: rgba(255,255,255,.7);
  font-size: 16px;
  max-width: 460px;
}
.footer-cta__form {
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-cta__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.footer-cta__form input,
.footer-cta__form textarea {
  width: 100%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 10px;
  padding: 14px 16px;
  color: #fff;
  font-family: inherit;
  font-size: 14px;
  transition: border-color .25s var(--ease-out), background .25s var(--ease-out);
  outline: none;
}
.footer-cta__form input::placeholder,
.footer-cta__form textarea::placeholder { color: rgba(255,255,255,.45); }
.footer-cta__form input:focus,
.footer-cta__form textarea:focus {
  border-color: var(--c-green-1);
  background: rgba(255,255,255,.1);
}
.footer-cta__form textarea { resize: vertical; min-height: 90px; }

.footer-main {
  background: #0E1530;
  color: rgba(255,255,255,.82);
  padding: 56px 0 0;
}
.footer-main__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 32px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 24px; height: 2px;
  background: var(--brand-gradient);
  border-radius: 2px;
}
.footer-col ul li {
  margin-bottom: 10px;
  font-size: 14px;
}
.footer-col ul a { transition: color .25s var(--ease-out); }
.footer-col ul a:hover { color: var(--c-green-1); }
.brand--footer .brand__cn { color: #fff; }
.brand--footer .brand__en { color: rgba(255,255,255,.45); }
.footer-about {
  margin: 20px 0 24px;
  font-size: 14px;
  line-height: 1.8;
  max-width: 360px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.7);
  transition: background .25s var(--ease-out), color .25s var(--ease-out), transform .25s var(--ease-out);
}
.footer-social a:hover {
  background: var(--brand-gradient);
  color: var(--c-ink-900);
  transform: translateY(-2px);
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
}
.footer-contact svg { color: var(--c-green-1); flex-shrink: 0; margin-top: 4px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 0;
  font-size: 13px;
}
.footer-bottom__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.footer-bottom__links { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.footer-bottom__links a { color: rgba(255,255,255,.75); display: inline-flex; align-items: center; gap: 6px; }
.footer-bottom__links a:hover { color: var(--c-green-1); }
.footer-bottom__badge {
  width: 14px;
  height: 14px;
  display: inline-block;
  vertical-align: -2px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  :root { --section-y: 56px; }
  .footer-cta__inner { grid-template-columns: 1fr; gap: 40px; padding: 80px 0; }
  .footer-main__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 860px) {
  :root { --section-y: 56px; }

  /* Container tightening */
  .container { width: calc(100% - 32px); }

  /* ---------- Topbar ---------- */
  .topbar { padding: 8px 0; }
  .topbar__inner { gap: 16px; }
  .topbar__item--hide-md { display: none; }

  /* ---------- Brand ---------- */
  .brand__cn { font-size: 16px; }
  .brand__mark_img { width: 48px; height: 48px; }

  /* ---------- Nav (still visible, but compact) ---------- */
  .navbar { padding: 10px 0; }
  .navbar__inner { gap: 16px; }
  .nav__item > a { padding: 10px 12px; font-size: 14px; }
  .nav__list { gap: 4px; }

  /* ---------- Hero ---------- */
  .hero { min-height: 78vh; }
  .hero__content { max-width: 100%; }
  .hero__title em { letter-spacing: -.01em; }
  .hero__eyebrow { margin-bottom: 18px; font-size: 12px; padding: 6px 14px 6px 6px; }
  .hero__nav { width: 40px; height: 40px; }
  .hero__nav--prev { left: 12px; }
  .hero__nav--next { right: 12px; }

  /* ---------- Intro ---------- */
  .intro__head { grid-template-columns: 1fr; gap: 32px; }
  .intro__grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .intro__media-tag-num { font-size: 1.2rem; }
  .intro__media-tag-text { font-size: 11px; }

  /* ---------- Advantages ---------- */
  .advantages__grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .adv-card { padding: 24px 20px; }
  .adv-card__num { font-size: 28px; }
  .adv-card h3 { font-size: 1rem; }

  /* ---------- Timeline ---------- */
  .timeline-section__head { grid-template-columns: 1fr; gap: 16px; }
  .timeline-step__card { padding: 18px; }
  .timeline-step__title { font-size: 0.95rem; }
  .timeline-step__year { font-size: 1.1rem; }

  /* ---------- Certs ---------- */
  .certs__list { grid-template-columns: repeat(4, 1fr); gap: 12px; }

  /* ---------- Products ---------- */
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .product-card__body { padding: 18px; }
  .product-card h3 { font-size: 1rem; }

  /* ---------- Page-hero (about/contact) ---------- */
  .page-hero { min-height: 56vh; }
  .page-hero__title em { font-size: 0.5em; }
  .page-hero__lede { font-size: 15px; }

  /* ---------- About story & metrics ---------- */
  .about-metrics { gap: 24px 18px; padding: 32px 18px; }
  .about-metric__num { font-size: 1.8rem; }

  /* ---------- FAQ ---------- */
  .faq { padding: 28px 24px; }

  /* ---------- Footer CTA ---------- */
  .footer-cta__inner { padding: 64px 0; gap: 32px; }
  .footer-cta__title { font-size: 1.8rem; }
  .footer-cta__row { grid-template-columns: 1fr 1fr; }
  .footer-bottom__inner { flex-direction: column; gap: 12px; align-items: flex-start; }
}
@media (max-width: 640px) {
  .footer-main__grid { grid-template-columns: 1fr; gap: 32px; }
  .container { width: calc(100% - 32px); }
  .footer-cta__form { padding: 24px; }
}


/*page*/
.page{width: 100%;display: flex;justify-content: center;background: white;}
.page-loader{width:var(--content-width); min-width: var(--content-min-width);max-width: var(--content-max-width);overflow: hidden;display: flex;margin:20px 0;justify-content: center;}
.page-loader>a,.page-loader>span{display: flex;justify-content: center;align-items: center; min-width: 10px;height: 40px; margin:4px;padding:0 15px;text-align: center; font-size: 14px;border-radius: 5px;color: #333;background: #eee;}
.page-loader>a:hover,.page-loader>a.page-active{background: var(--c-blue-2);color: white;}


/* =============================================================
   Responsive: ≤ 640px (mobile)
   ============================================================= */
@media (max-width: 640px) {
  :root { --section-y: 48px; }

  /* ---------- Base typography ---------- */
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  h3 { font-size: 1.2rem; }
  .eyebrow { font-size: 12px; letter-spacing: .14em; }

  /* ---------- Topbar ---------- */
  .topbar__inner { gap: 8px; }
  .topbar__left { gap: 12px; }
  .topbar__item { font-size: 12px; }
  .topbar__quote { padding: 5px 10px; font-size: 12px; }
  .topbar__quote svg { display: none; }

  /* ---------- Lang switcher ---------- */
  .lang-switcher__toggle { padding: 5px 10px; font-size: 12px; }
  .lang-switcher__caret { width: 8px; height: 8px; }

  /* ---------- Brand ---------- */
  .brand__en { display: none; }
  .brand__mark_img { width: 40px; height: 40px; }
  .brand__cn { font-size: 15px; letter-spacing: .02em; }

  /* ---------- Nav: collapse into hamburger ---------- */
  .navbar__toggle { display: flex; }
  .nav { display: none; }
  .navbar { padding: 10px 0; }
  .navbar__inner { gap: 12px; }

  /* Hamburger menu open state */
  .nav.is-open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 12px 16px 20px;
    background: rgba(14, 21, 48, .96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .nav.is-open .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav.is-open .nav__item { width: 100%; }
  .nav.is-open .nav__item > a { width: 100%; padding: 14px 8px; border-radius: 0; }
  .nav.is-open .nav__sub {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: rgba(255,255,255,.06);
    box-shadow: none;
    padding: 4px 0 8px 16px;
    min-width: 0;
  }
  .nav.is-open .nav__sub li a { color: rgba(255,255,255,.85); }
  .navbar__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .navbar__toggle.is-open span:nth-child(2) { opacity: 0; }
  .navbar__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .navbar__toggle span { transition: transform .25s var(--ease-out), opacity .25s var(--ease-out); }

  /* ---------- Hero ---------- */
  .hero { min-height: calc(100vh - 105px); }
  .hero__inner { padding-top: calc(var(--header-h) + 16px); padding-bottom: 24px; }
  .hero__title { margin-bottom: 18px; }
  .hero__title em { font-size: clamp(2rem, 9vw, 3rem); }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { justify-content: center; padding: 12px 20px; font-size: 14px; }
  .hero__nav { display: none; }
  .hero__scroll { display: none; }
  .hero__dots { bottom: 18px; gap: 8px; }
  .hero__dot { width: 8px; height: 8px; }

  /* ---------- Section spacing ---------- */
  .section { padding: 56px 0; }
  .section--tight { padding: 56px 0; }

  /* ---------- Intro ---------- */
  .intro__grid { grid-template-columns: 1fr; gap: 14px; }
  .intro-card { padding: 20px; }
  .intro-card__icon { width: 40px; height: 40px; }
  .intro__media-overlay { left: 16px; right: 16px; bottom: 16px; gap: 8px; }
  .intro__media-tag { padding: 8px 10px; }
  .intro__media-tag-num { font-size: 1rem; }
  .intro__media-tag-text { font-size: 10px; }

  /* ---------- Advantages ---------- */
  .advantages__grid { grid-template-columns: 1fr; gap: 14px; }
  .adv-card { padding: 22px 18px; }
  .adv-card__icon { width: 44px; height: 44px; }
  .adv-card h3 { font-size: 1.05rem; }
  .adv-card p { font-size: 14px; }

  /* ---------- Timeline ---------- */
  .timeline__nav { display: none; }
  .timeline-step__card { padding: 16px; margin-top: 80px; }
  .timeline-step__year { font-size: 1rem; }
  .timeline-step__title { font-size: 0.9rem; }
  .timeline-step__desc { font-size: 13px; }

  /* ---------- Certs ---------- */
  .certs__list { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .certs__list li { padding: 12px 14px; font-size: 13px; }

  /* ---------- Products ---------- */
  .products-grid { grid-template-columns: 1fr; gap: 18px; }
  .products-showcase__head { grid-template-columns: 1fr; gap: 14px; }
  .products-showcase__cta { flex-direction: column; gap: 14px; align-items: stretch; }
  .products-showcase__cta .btn { justify-content: center; }
  .product-card__no { font-size: 11px; }

  /* ---------- Page-hero ---------- */
  .page-hero { min-height: 50vh; padding-top: 0; }
  .page-hero__inner { padding-top: calc(var(--header-h) + 12px); padding-bottom: 24px; }
  .page-hero__title em { font-size: 0.45em; }
  .page-hero__lede { font-size: 14px; }

  /* ---------- About story & metrics ---------- */
  .about-metrics { grid-template-columns: repeat(2, 1fr); gap: 18px 12px; padding: 24px 16px; }
  .about-metric__num { font-size: 1.5rem; }
  .about-metric__label { font-size: 12px; }
  .about-story { padding: 24px; }

  /* ---------- Contact ---------- */
  .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .contact-card { padding: 20px; }
  .contact-factory figcaption { left: 12px; right: 12px; bottom: 12px; padding: 12px 14px; }
  .contact-factory figcaption strong { font-size: 1rem; }

  /* ---------- FAQ / Hours ---------- */
  .faq { padding: 22px 18px; }
  .faq h3 { font-size: 1.15rem; }
  .hours { padding: 24px 22px; }

  /* ---------- Footer CTA ---------- */
  .footer-cta { padding: 56px 0; }
  .footer-cta__title { font-size: 1.5rem; }
  .footer-cta__form { padding: 20px; }
  .footer-cta__row { grid-template-columns: 1fr; }
  .footer-cta__form .btn { width: 100%; justify-content: center; }
  .footer-bottom__inner { flex-direction: column; gap: 10px; align-items: flex-start; }

  /* ---------- Page pagination ---------- */
  .page { overflow-x: hidden; }
  .page-loader { min-width: 0; margin: 14px 0; flex-wrap: wrap; padding: 0 8px; }
  .page-loader > a, .page-loader > span { min-width: 28px; height: 32px; padding: 0 8px; margin: 3px; font-size: 13px; }
}


/* =============================================================
   Error / Lost / Expiry pages
   ============================================================= */
.error-page { background: var(--c-white); }

.lost {
  min-height: calc(100vh - 200px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  gap: 18px;
}
.lost__code {
  font-family: var(--ff-display);
  font-size: clamp(120px, 22vw, 220px);
  font-weight: 700;
  line-height: 1;
  background: var(--brand-gradient-deep);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  letter-spacing: -.02em;
}
.lost__title {
  font-family: var(--ff-cn);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--c-ink-900);
  margin: 0;
}
.lost__desc {
  color: var(--c-ink-500);
  font-size: 15px;
  max-width: 520px;
  line-height: 1.7;
  margin: 0;
}
.lost__cta {
  margin-top: 8px;
}
.lost__langs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  justify-content: center;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--c-ink-200);
  max-width: 100%;
}
.lost__langs li a {
  font-size: 13px;
  color: var(--c-ink-500);
  font-weight: 600;
  letter-spacing: .02em;
  transition: color .2s var(--ease-out);
}
.lost__langs li a:hover { color: var(--c-blue-1); }

@media (max-width: 640px) {
  .lost { padding: 48px 20px; min-height: calc(100vh - 160px); gap: 14px; }
  .lost__code { font-size: 28vw; }
  .lost__desc { font-size: 14px; }
  .lost__langs { gap: 8px 14px; }
}