:root {
  color-scheme: light;
  --bg: #f5f9ff;
  --panel: rgba(255, 255, 255, 0.78);
  --panel-strong: rgba(255, 255, 255, 0.9);
  --border: rgba(64, 137, 255, 0.12);
  --text: #132344;
  --muted: #5b6f8d;
  --blue: #2f7df6;
  --blue-2: #55b3ff;
  --shadow: 0 24px 54px rgba(63, 132, 218, 0.12);
  --shadow-soft: 0 16px 36px rgba(63, 132, 218, 0.08);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --shell: 1680px;
  --pad: clamp(16px, 2.5vw, 34px);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  min-width: 320px;
  font-family: "Microsoft YaHei", "Noto Sans SC", "PingFang SC", sans-serif;
  color: var(--text);
  overflow-x: clip;
  background:
    radial-gradient(circle at 14% 12%, rgba(85, 179, 255, 0.15), transparent 18%),
    radial-gradient(circle at 85% 10%, rgba(47, 125, 246, 0.1), transparent 16%),
    radial-gradient(circle at 82% 76%, rgba(47, 125, 246, 0.1), transparent 18%),
    linear-gradient(180deg, #fbfdff 0%, #eef5ff 100%);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(47, 125, 246, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 125, 246, 0.035) 1px, transparent 1px);
  background-size: 92px 92px;
  mask-image: radial-gradient(circle at center, black 52%, transparent 92%);
  opacity: 0.5;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3 { margin: 0; }
button { font: inherit; }

.site-shell {
  width: min(var(--shell), calc(100% - 2 * var(--pad)));
  margin-inline: auto;
}

.glass-card,
.site-header,
.btn,
.contact-panel,
.scroll-block {
  position: relative;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--panel-strong), rgba(242, 248, 255, 0.82));
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 30;
  margin-top: 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 12px 16px;
  border-radius: 999px;
}
.brand { display: inline-flex; align-items: center; min-width: 180px; }
.brand img { height: 30px; width: auto; object-fit: contain; }
.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.nav-btn {
  margin-left: auto !important;
}

.nav-register {
  margin-left: 10px !important;
}
.site-nav::-webkit-scrollbar { display: none; }
.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.95rem;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}
.site-nav a:hover, .site-nav a.active { background: rgba(47, 125, 246, 0.1); color: var(--text); transform: translateY(-1px); }

.nav-btn {
  padding: 8px 22px !important;
  border-radius: 999px !important;
  font-weight: 800 !important;
  font-size: 0.9rem !important;
  transition: all 200ms ease !important;
}

.nav-login {
  background: linear-gradient(135deg, #2f7df6, #1a5fd4) !important;
  color: #fff !important;
  border: none !important;
  box-shadow: 0 4px 14px rgba(47,125,246,0.35) !important;
}
.nav-login:hover {
  background: linear-gradient(135deg, #1a5fd4, #0d4ab3) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 24px rgba(47,125,246,0.45) !important;
}

.nav-register {
  background: transparent !important;
  color: var(--blue) !important;
  border: 2px solid var(--blue) !important;
}
.nav-register:hover {
  background: var(--blue) !important;
  color: #fff !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 18px rgba(47,125,246,0.3) !important;
}
.nav-toggle { display: none; }
.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
}
.header-cta,
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  box-shadow: 0 16px 28px rgba(47, 125, 246, 0.22);
}
.btn-secondary {
  color: var(--text);
  background: rgba(255,255,255,0.82);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: 28px;
  align-items: center;
  padding: 64px 0 32px;
}
.hero-copy { padding: 18px 0 10px; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(47, 125, 246, 0.16);
  background: rgba(47, 125, 246, 0.12);
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}
.hero h1 {
  margin-top: 30px;
  font-size: clamp(3.7rem, 5.8vw, 6.4rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
  font-weight: 900;
}

.hero.hero-premium h1 span {
  white-space: nowrap;
}

.hero.hero-premium h1 span + span {`r`n  margin-top: 0.12em;`r`n}
.hero h1 span { display: block; }
.hero h1 span + span { margin-top: 0.08em; }
.hero h1 em { font-style: normal; color: #2877f5; }
.hero-lead {
  max-width: 760px;
  margin-top: 30px;
  color: var(--muted);
  font-size: clamp(1rem, 1.18vw, 1.18rem);
  line-height: 1.72;
}
.hero-cta { margin-top: 30px; min-width: 172px; padding-left: 24px; padding-right: 10px; }
.hero-cta i {
  position: relative;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #fff;
  flex: 0 0 auto;
}
.hero-cta i::before {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 11px;
  height: 11px;
  border-top: 3px solid #2877f5;
  border-right: 3px solid #2877f5;
  transform: rotate(45deg);
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 54px;
  max-width: 840px;
}
.hero-stat {
  padding-right: 16px;
  border-right: 1px solid rgba(19, 35, 68, 0.14);
}
.hero-stat:last-child { border-right: 0; padding-right: 0; }
.hero-stat strong {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: clamp(1.9rem, 2.8vw, 3rem);
  line-height: 1;
}
.hero-stat em { font-style: normal; font-size: 0.66em; }
.hero-stat span { display: block; margin-top: 10px; color: var(--muted); font-size: 0.92rem; line-height: 1.45; }

.hero-visual {
  position: relative;
  min-height: 780px;
  isolation: isolate;
}
.hero-art-bg {
  position: absolute;
  inset: 10px 0 0 18px;
  border-radius: 46px;
  background:
    radial-gradient(circle at 16% 18%, rgba(255,255,255,0.97), transparent 14%),
    radial-gradient(circle at 82% 22%, rgba(78, 159, 255, 0.22), transparent 16%),
    radial-gradient(circle at 82% 74%, rgba(78, 159, 255, 0.18), transparent 18%),
    linear-gradient(135deg, rgba(255,255,255,0.76), rgba(225, 239, 255, 0.9) 46%, rgba(196, 224, 255, 0.8));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.9), 0 30px 60px rgba(70, 130, 200, 0.12);
}
.hero-art-bg::before,
.hero-art-bg::after,
.hero-art-orbit::before,
.hero-art-orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}
.hero-art-bg::before {
  right: 40px;
  top: 26px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(78, 159, 255, 0.18) 0%, rgba(78, 159, 255, 0.07) 42%, transparent 72%);
}
.hero-art-bg::after {
  left: 96px;
  bottom: 56px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(87, 183, 255, 0.16), transparent 72%);
}
.hero-art-orbit {
  position: absolute;
  inset: 20px 32px 18px 54px;
  border-radius: 40px;
  background:
    radial-gradient(circle at 28% 30%, rgba(255,255,255,0.76), transparent 25%),
    radial-gradient(circle at 76% 22%, rgba(78, 159, 255, 0.12), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.01));
}
.hero-art-orbit::before {
  inset: 44px 48px 52px 14px;
  border: 1px solid rgba(78, 159, 255, 0.18);
}
.hero-art-orbit::after {
  inset: 120px 110px 128px 110px;
  border: 1px solid rgba(78, 159, 255, 0.12);
}
.hero-float,
.hero-phone-frame,
.hero-card,
.hero-chip { position: absolute; }
.hero-float {
  padding: 18px 20px;
  border-radius: 26px;
  border: 1px solid rgba(120,184,255,0.24);
  background: rgba(255,255,255,0.76);
  box-shadow: 0 18px 34px rgba(88, 148, 214, 0.12);
}
.hero-float strong { display: block; font-size: 1.95rem; line-height: 1; }
.hero-float span { display: block; margin-top: 7px; color: var(--muted); font-size: 0.95rem; font-weight: 700; }
.hero-float-left { left: 104px; top: 46px; transform: rotate(-6deg); }
.hero-float-right { right: 56px; top: 74px; transform: rotate(11deg); }
.hero-phone-frame {
  left: 152px;
  top: 116px;
  width: 326px;
  padding: 16px 14px 18px;
  border-radius: 38px;
  background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(239,246,255,0.92));
  border: 1px solid rgba(255,255,255,0.95);
  box-shadow: 0 28px 66px rgba(62, 131, 211, 0.2);
  transform: rotate(-3deg);
  z-index: 3;
}
.hero-phone-frame::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,0.72);
}
.hero-phone-topbar { display: flex; justify-content: center; gap: 8px; margin-bottom: 12px; }
.hero-phone-topbar span { width: 42px; height: 6px; border-radius: 999px; background: rgba(40,119,245,0.16); }
.hero-phone-screen { overflow: hidden; border-radius: 28px; border: 1px solid rgba(29,144,253,0.1); }
.hero-phone-screen img { width: 100%; height: 520px; object-fit: cover; object-position: center top; }
.hero-card {
  right: 40px;
  top: 150px;
  width: 336px;
  padding: 22px 22px 22px 24px;
  border-radius: 32px;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid rgba(120,184,255,0.18);
  background: rgba(255,255,255,0.84);
  box-shadow: 0 18px 42px rgba(70, 130, 200, 0.12);
  z-index: 4;
}
.hero-card-copy { flex: 1; }
.hero-card strong { display: block; font-size: 1.02rem; }
.hero-card span { display: block; margin-top: 10px; color: var(--muted); font-size: 1.05rem; font-weight: 700; line-height: 1.55; }
.hero-card i {
  width: 102px;
  height: 102px;
  flex: 0 0 auto;
  border-radius: 28px;
  background:
    radial-gradient(circle at 40% 32%, rgba(255,255,255,0.92) 0 14px, transparent 15px),
    linear-gradient(135deg, rgba(222,235,251,0.96), rgba(200,225,255,0.92));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.66);
}
.hero-chip {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 180px;
  padding: 16px 18px;
  border-radius: 24px;
  border: 1px solid rgba(120,184,255,0.18);
  background: rgba(255,255,255,0.78);
  box-shadow: 0 14px 30px rgba(76, 148, 225, 0.1);
  z-index: 5;
}
.hero-chip strong { display: block; font-size: 0.98rem; line-height: 1.35; }
.hero-chip small { display: block; margin-top: 4px; color: var(--muted); font-size: 0.82rem; line-height: 1.3; font-weight: 700; }
.hero-chip-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  border-radius: 18px;
  color: var(--blue);
  background: linear-gradient(180deg, rgba(235,244,255,0.98), rgba(220,235,255,0.92));
  box-shadow: inset 0 0 0 1px rgba(47,125,246,0.08);
  font-size: 1.05rem;
  font-weight: 900;
}

.hero.hero-premium h1 span {
  white-space: nowrap;
}

.hero.hero-premium h1 span + span {`r`n  margin-top: 0.12em;`r`n}
.hero-chip-icon-chart { position: relative; }
.hero-chip-icon-chart::before {
  content: "";
  position: absolute;
  left: 16px;
  bottom: 15px;
  width: 5px;
  height: 14px;
  border-radius: 999px;
  background: var(--blue);
  box-shadow: 9px -6px 0 0 var(--blue), 18px -12px 0 0 var(--blue);
}
.hero-chip-icon-chart::after {
  content: "";
  position: absolute;
  left: 18px;
  bottom: 29px;
  width: 16px;
  height: 16px;
  border-top: 3px solid var(--blue);
  border-right: 3px solid var(--blue);
  transform: rotate(-45deg);
}
.hero-chip-ai { left: 18px; top: 262px; width: 176px; }
.hero-chip-data { right: 18px; bottom: 124px; width: 190px; }

.section {
  padding-top: 76px;
}
.section-heading {
  max-width: 980px;
  margin-inline: auto;
}
.section-heading.center { text-align: center; }
.section-heading .section-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 126px;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(63, 133, 245, 0.12), rgba(255, 255, 255, 0.82));
  border: 1px solid rgba(103, 159, 238, 0.16);
  color: #3f7ef1;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  box-shadow: 0 14px 30px rgba(69, 133, 211, 0.08);
}
.section-heading h2 {
  max-width: none;
  margin-inline: auto;
  font-size: clamp(1.9rem, 3.2vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-weight: 800;
}
.section-heading p {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.75;
}

.card-grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}
.two-up { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.four-up { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.info-card,
.content-card,
.feature-card,
.value-card,
.culture-card,
.tech-card,
.qualification-card {
  border-radius: var(--radius-xl);
  padding: 24px;
}
.info-card h3,
.content-card h3,
.feature-card h3,
.value-card h3,
.culture-card h3,
.tech-card h3,
.qualification-card h3 { font-size: 1.22rem; }
.info-card p,
.content-card p,
.feature-card p,
.value-card p,
.culture-card p,
.tech-card p,
.qualification-card p { margin-top: 12px; color: var(--muted); line-height: 1.8; }
.visual-card img,
.tech-card img,
.qualification-card img {
  width: 100%;
  margin-top: 16px;
  border-radius: 20px;
  box-shadow: 0 14px 32px rgba(47, 125, 246, 0.08);
}
.visual-card-dark {
  background: linear-gradient(135deg, rgba(47,125,246,0.08), rgba(255,255,255,0.95));
}
.mini-head span {
  display: inline-flex;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.mini-head strong {
  display: block;
  margin-top: 10px;
  font-size: 1.14rem;
}
.feature-card { min-height: 170px; }

.culture-stage {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 22px;
  margin-top: 30px;
}

.culture-intro-card {
  padding: 34px;
  border-radius: 38px;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(201, 155, 92, 0.16), transparent 30%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(241, 247, 255, 0.92) 58%, rgba(233, 242, 255, 0.9));
}

.culture-intro-tag,
.qualification-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(196, 154, 92, 0.24);
  background: rgba(196, 154, 92, 0.08);
  color: #9a6a2d;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.culture-intro-card h3 {
  margin-top: 22px;
  max-width: 12ch;
  font-size: clamp(2rem, 3vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.culture-intro-card > p {
  margin-top: 20px;
  max-width: 34rem;
  color: var(--muted);
  line-height: 1.9;
}

.culture-mission-block {
  margin-top: 34px;
  padding: 26px 26px 30px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 12% 38%, rgba(255, 255, 255, 0.2) 0 12px, transparent 13px),
    radial-gradient(circle at 20% 22%, rgba(255, 255, 255, 0.16) 0 10px, transparent 11px),
    radial-gradient(circle at 92% 22%, rgba(255, 255, 255, 0.12) 0 40px, transparent 41px),
    linear-gradient(135deg, #5f8fee 0%, #4f7fe3 38%, #355cb7 100%);
  box-shadow: 0 24px 48px rgba(64, 112, 205, 0.24);
}

.culture-mission-block span {
  display: inline-flex;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.culture-mission-block strong {
  display: block;
  margin-top: 14px;
  color: #fff;
  font-size: clamp(1.35rem, 1.8vw, 1.9rem);
  line-height: 1.55;
}

.culture-values-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.culture-value-card,
.culture-quote-card {
  min-height: 220px;
  padding: 30px 28px;
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(243, 248, 255, 0.92)),
    linear-gradient(135deg, rgba(196, 154, 92, 0.06), transparent);
}

.culture-index {
  display: inline-flex;
  color: #9a6a2d;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.culture-value-card h3 {
  margin-top: 16px;
  font-size: 1.6rem;
}

.culture-value-card p {
  margin-top: 16px;
  color: var(--muted);
  line-height: 1.9;
}

.culture-quote-card {
  background:
    radial-gradient(circle at top right, rgba(196, 154, 92, 0.14), transparent 32%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(235, 244, 255, 0.9));
}

.culture-quote-card p {
  margin: 0;
  color: #183154;
  font-size: clamp(1.15rem, 1.6vw, 1.5rem);
  font-weight: 700;
  line-height: 1.85;
}

.qualification-showcase {
  position: relative;
  margin-top: 30px;
  padding: clamp(26px, 3.2vw, 42px);
  border-radius: 40px;
  border: 1px solid rgba(92, 147, 226, 0.18);
  background:
    radial-gradient(circle at top left, rgba(196, 154, 92, 0.1), transparent 20%),
    radial-gradient(circle at right 18% bottom 22%, rgba(87, 164, 255, 0.18), transparent 24%),
    linear-gradient(145deg, rgba(250, 252, 255, 0.98), rgba(235, 244, 255, 0.96) 52%, rgba(224, 237, 255, 0.94));
  box-shadow: 0 28px 56px rgba(78, 132, 210, 0.14);
  overflow: hidden;
}

.qualification-showcase::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  pointer-events: none;
}

.qualification-summary {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.qualification-summary h3 {
  margin-top: 22px;
  max-width: 9ch;
  margin-left: auto;
  margin-right: auto;
  color: #183154;
  font-size: clamp(2rem, 3vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.qualification-summary > p {
  margin: 16px auto 0;
  max-width: 42rem;
  color: #607492;
  line-height: 1.8;
}

.qualification-metrics {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  margin-top: 22px;
}

.qualification-metrics div {
  min-width: 220px;
  padding: 16px 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(240, 246, 255, 0.74));
  border: 1px solid rgba(112, 162, 233, 0.16);
  backdrop-filter: blur(10px);
}

.qualification-metrics strong {
  display: block;
  color: #173152;
  font-size: 1.8rem;
  line-height: 1;
}

.qualification-metrics span {
  display: block;
  margin-top: 10px;
  color: #6b7f9b;
  line-height: 1.7;
}

.qualification-gallery {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 20px;
  margin-top: 34px;
}

.qualification-frame {
  margin: 0;
  padding: 14px 14px 18px;
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(232, 241, 255, 0.82));
  border: 1px solid rgba(116, 168, 239, 0.16);
  box-shadow: 0 20px 40px rgba(72, 127, 205, 0.14);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.qualification-frame:hover {
  transform: translateY(-6px);
  border-color: rgba(98, 156, 233, 0.28);
  box-shadow: 0 26px 46px rgba(72, 127, 205, 0.2);
}

.qualification-frame img {
  width: 100%;
  aspect-ratio: 5 / 7;
  object-fit: cover;
  margin-top: 0;
  border-radius: 18px;
  box-shadow: none;
}

.qualification-frame figcaption {
  margin-top: 14px;
  color: #617693;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-align: center;
}

.scroll-frame {
  position: relative;
  margin-top: 28px;
  height: 450px;
  padding: 20px;
  border-radius: 38px;
  overflow: hidden;
  border: 1px solid rgba(121, 173, 240, 0.18);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(240, 247, 255, 0.95) 54%, rgba(231, 242, 255, 0.92)),
    linear-gradient(90deg, rgba(98, 164, 255, 0.08), transparent 30%, rgba(98, 164, 255, 0.08) 100%);
  box-shadow: 0 26px 48px rgba(78, 132, 210, 0.14);
  isolation: isolate;
}

.scroll-frame::before {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  pointer-events: none;
  z-index: 0;
}

.scroll-frame::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -18%;
  width: 36%;
  background: linear-gradient(90deg, transparent, rgba(136, 197, 255, 0.16), transparent);
  transform: skewX(-16deg);
  pointer-events: none;
  z-index: 0;
  animation: scrollSheen 9s ease-in-out infinite;
}

.scroll-frame.is-paused::after {
  animation-play-state: paused;
  opacity: 0.7;
}

.scroll-marquee {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.scroll-marquee::before,
.scroll-marquee::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 58px;
  pointer-events: none;
  z-index: 3;
}

.scroll-marquee::before {
  top: 0;
  background: linear-gradient(180deg, rgba(246, 250, 255, 1), rgba(246, 250, 255, 0));
}

.scroll-marquee::after {
  bottom: 0;
  background: linear-gradient(0deg, rgba(232, 242, 255, 1), rgba(232, 242, 255, 0));
}

.scroll-viewport {
  width: 100%;
  height: 100%;
  overflow: hidden;
  mask-image: linear-gradient(180deg, transparent 0, black 12%, black 88%, transparent 100%);
}
.scroll-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
  will-change: transform;
}
.scroll-group { display: grid; gap: 18px; }
.scroll-frame-cases .scroll-group { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.scroll-frame-customers .scroll-group { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.scroll-block {
  width: 100%;
  padding: 20px 22px;
  border-radius: 26px;
  border: 1px solid rgba(108, 162, 238, 0.14);
  background:
    radial-gradient(circle at top right, rgba(125, 189, 255, 0.14), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(241, 247, 255, 0.9));
  box-shadow: 0 16px 32px rgba(88, 138, 206, 0.1);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.scroll-block:hover {
  transform: translateY(-5px);
  border-color: rgba(95, 160, 243, 0.22);
  box-shadow: 0 24px 40px rgba(88, 138, 206, 0.16);
}

.scroll-block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.scroll-block-title {
  color: #183153;
  font-weight: 800;
  font-size: 1.04rem;
  letter-spacing: 0.02em;
}

.scroll-block-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(92, 151, 235, 0.1);
  color: #4d7ed7;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.scroll-lines {
  margin: 0;
  padding-left: 18px;
  color: #607492;
  line-height: 1.72;
  font-size: 0.94rem;
}
.scroll-lines li + li { margin-top: 8px; }
.scroll-lines-case li::marker { color: #5f91ea; }

.customer-chip-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.customer-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 0;
  color: #617593;
  font-size: 0.84rem;
  line-height: 1.45;
}

.customer-divider {
  color: #78a2e7;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1;
}

@keyframes scrollSheen {
  0%, 100% {
    transform: translateX(0) skewX(-16deg);
    opacity: 0;
  }
  16% {
    opacity: 0;
  }
  48% {
    transform: translateX(320%) skewX(-16deg);
    opacity: 1;
  }
  64% {
    opacity: 0;
  }
}

.contact-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 34px 36px;
  border-radius: 34px;
  border: 1px solid rgba(92, 130, 194, 0.26);
  background:
    radial-gradient(circle at top right, rgba(91, 145, 231, 0.18), transparent 22%),
    linear-gradient(145deg, rgba(18, 34, 62, 0.96), rgba(25, 46, 82, 0.94) 52%, rgba(31, 59, 103, 0.92));
  box-shadow: 0 28px 54px rgba(12, 24, 46, 0.26);
  overflow: hidden;
}

.contact-panel-inner {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.contact-kicker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(111, 160, 235, 0.12);
  border: 1px solid rgba(129, 173, 240, 0.2);
  color: rgba(214, 229, 255, 0.82);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.contact-section {
  position: relative;
  margin-top: 52px;
  padding-top: 24px;
  padding-bottom: 28px;
}

.contact-section::before {
  content: "";
  position: absolute;
  left: calc(50% - 50vw);
  right: calc(50% - 50vw);
  top: -28px;
  bottom: -24px;
  background:
    radial-gradient(circle at 18% 18%, rgba(88, 146, 233, 0.22), transparent 18%),
    radial-gradient(circle at 84% 22%, rgba(78, 133, 221, 0.18), transparent 20%),
    linear-gradient(180deg, #142746 0%, #132440 42%, #0f1d35 100%);
  z-index: -1;
}

.contact-panel::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.contact-panel h2 {
  margin-top: 18px;
  font-size: clamp(2rem, 3vw, 3.2rem);
  color: #fff;
  letter-spacing: -0.04em;
}
.contact-panel p {
  margin-top: 12px;
  color: rgba(226, 236, 252, 0.82);
  font-size: 1.04rem;
  line-height: 1.8;
}

.contact-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.site-footer {
  padding: 0 0 24px;
  background: #0f1d35;
}
.footer-inner {
  min-height: 0;
}

@media (max-width: 1280px) {
  .hero,
  .two-up,
  .three-up,
  .four-up,
  .contact-panel { grid-template-columns: 1fr; }

  .hero { gap: 18px; }
  .hero-visual { min-height: 680px; }
  .hero-stats { max-width: 100%; }
}

@media (max-width: 860px) {
  .site-header {
    border-radius: 32px;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
  }

  .header-cta { margin-left: auto; }
  .hero { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .site-shell { width: min(var(--shell), calc(100% - 24px)); }
  .section { padding-top: 56px; }
  .hero { padding-top: 28px; }
  .hero h1 { font-size: clamp(2.8rem, 12vw, 4.4rem); }
  .hero-lead { margin-top: 18px; }
  .hero-cta { width: 100%; justify-content: space-between; }
  .hero-stats { 
    grid-template-columns: repeat(2, minmax(0, 1fr)); 
    gap: 10px 8px; 
    margin-top: 24px; 
  }
  .hero.hero-premium .hero-stat { 
    border-right: 0; 
    padding: 12px 8px;
    border-radius: 14px;
    background: rgba(255,255,255,0.75);
    text-align: center;
    min-height: 70px;
  }
  .hero.hero-premium .hero-stat strong {
    font-size: clamp(1.3rem, 5.5vw, 1.6rem);
    line-height: 1.2;
  }
  .hero.hero-premium .hero-stat span {
    font-size: 10px;
    line-height: 1.3;
    white-space: normal;
    word-break: break-all;
  }
  .hero-visual { min-height: 580px; }
  .hero-art-bg { inset: 8px 0 0 8px; border-radius: 32px; }
  .hero-art-orbit { inset: 14px 18px 14px 28px; border-radius: 28px; }
  .hero-float-left { left: 14px; top: 26px; }
  .hero-float-right { right: 14px; top: 52px; }
  .hero-phone-frame { left: 50%; top: 118px; width: min(288px, calc(100% - 72px)); transform: translateX(-50%) rotate(-2deg); }
  .hero-phone-screen img { height: 430px; }
  .hero-card { left: 50%; right: auto; top: 92px; width: min(286px, calc(100% - 24px)); transform: translateX(-50%); }
  .hero-card i { width: 82px; height: 82px; border-radius: 24px; }
  .hero-chip-ai { left: 10px; top: 220px; width: 148px; }
  .hero-chip-data { right: 10px; bottom: 56px; width: 160px; }
  .hero-chip { gap: 10px; padding: 12px; border-radius: 20px; }
  .hero-chip-icon { width: 42px; height: 42px; border-radius: 14px; font-size: 0.9rem; }
  .card-grid { gap: 14px; }
  .info-card,
  .content-card,
  .feature-card,
  .value-card,
  .culture-card,
  .tech-card,
  .qualification-card,
  .scroll-block,
  .contact-panel { padding: 20px; }
  .scroll-frame { padding: 14px; }
}

@media (max-width: 1280px) {
  .culture-stage { grid-template-columns: 1fr; }
  .culture-intro-card h3,
  .qualification-summary h3 { max-width: none; }
  .qualification-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .culture-values-grid { grid-template-columns: 1fr; }
  .qualification-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .culture-intro-card,
  .culture-value-card,
  .culture-quote-card { padding: 24px 20px; border-radius: 28px; }
  .culture-mission-block { padding: 22px 20px 24px; }
  .qualification-showcase { padding: 22px 18px; border-radius: 30px; }
  .qualification-showcase::before { inset: 12px; border-radius: 24px; }
  .qualification-metrics { flex-direction: column; }
  .qualification-metrics div { min-width: 0; }
  .scroll-frame { padding: 16px; border-radius: 28px; }
  .scroll-frame::before { inset: 12px; border-radius: 22px; }
  .scroll-block { padding: 18px 18px; border-radius: 22px; }
  .scroll-frame-cases .scroll-group,
  .scroll-frame-customers .scroll-group { grid-template-columns: 1fr; }
  .contact-section { margin-top: 36px; padding-top: 18px; padding-bottom: 20px; }
  .contact-panel { padding: 24px 20px; border-radius: 28px; }
  .contact-panel::before { inset: 10px; border-radius: 20px; }
}

@media (max-width: 560px) {
  .section-heading .section-tag {
    min-width: 108px;
    min-height: 46px;
    padding: 0 18px;
    margin-bottom: 14px;
    font-size: 0.74rem;
  }
  .section-heading h2 {
    font-size: clamp(1.7rem, 9vw, 2.5rem);
    line-height: 1.12;
  }
  .culture-intro-card h3,
  .qualification-summary h3 { font-size: 1.8rem; }
  .culture-value-card h3 { font-size: 1.4rem; }
  .culture-quote-card p { font-size: 1.05rem; line-height: 1.75; }
  .qualification-frame { padding: 12px 12px 16px; }
}


.hero.hero-premium {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: clamp(760px, 84vh, 920px);
  padding: var(--pad) var(--pad) 40px;
  background: url('../images/hero背景图-3.jpg') no-repeat center center / cover;
  position: relative;
  color: var(--text);
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  margin-top: calc(-1 * var(--header-h, 72px));
  box-sizing: border-box;
}


.hero-premium .hero-copy {
  position: relative;
  z-index: 1;
  padding: 10px 0 14px;
}

.hero-premium .hero-kicker {
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(47, 125, 246, 0.12);
  border: 1px solid rgba(47, 125, 246, 0.14);
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  box-shadow: 0 10px 24px rgba(47, 125, 246, 0.08);
}

.hero-premium h1 {
  max-width: none;
  margin-top: 30px;
  font-size: clamp(3.6rem, 5.9vw, 6.35rem);
  line-height: 0.9;
  letter-spacing: -0.07em;
  font-weight: 700;
  text-rendering: geometricPrecision;
}

.hero.hero-premium h1 span {
  white-space: nowrap;
}

.hero.hero-premium h1 span + span {`r`n  margin-top: 0.12em;`r`n}

.hero-premium h1 span {
  display: block;
}

.hero-premium h1 span + span {
  margin-top: 0.08em;
}

.hero-premium h1 em {
  font-style: normal;
  color: #2877f5;
}

.hero-premium .hero-lead {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 30px;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.18vw, 1.16rem);
  line-height: 1.72;
}

.hero-premium .hero-cta {
  margin-top: 34px;
  min-width: 172px;
  padding-left: 24px;
  padding-right: 10px;
}

.hero-premium .hero-cta i {
  position: relative;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #fff;
  flex: 0 0 auto;
}

.hero-premium .hero-cta i::before {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 11px;
  height: 11px;
  border-top: 3px solid #2877f5;
  border-right: 3px solid #2877f5;
  transform: rotate(45deg);
}

.hero-premium .hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 56px;
}

.hero-premium .hero-stat {
  padding-right: 16px;
  border-right: 1px solid rgba(19, 35, 68, 0.14);
}

.hero-premium .hero-stat:last-child {
  padding-right: 0;
  border-right: 0;
}

.hero-premium .hero-stat strong {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: clamp(1.9rem, 2.6vw, 2.9rem);
  line-height: 1;
}

.hero-premium .hero-stat em {
  font-style: normal;
  font-size: 0.66em;
}

.hero-premium .hero-stat span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.hero-premium .hero-visual {
  position: relative;
  min-height: 780px;
  isolation: isolate;
}

.hero-premium .hero-art-bg {
  position: absolute;
  inset: 8px 0 0 12px;
  border-radius: 48px;
  background:
    radial-gradient(circle at 15% 14%, rgba(255, 255, 255, 0.98), transparent 16%),
    radial-gradient(circle at 78% 18%, rgba(78, 159, 255, 0.16), transparent 13%),
    radial-gradient(circle at 82% 72%, rgba(78, 159, 255, 0.12), transparent 18%),
    linear-gradient(135deg, rgba(255,255,255,0.82), rgba(225,239,255,0.92) 45%, rgba(198,225,255,0.82));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.9), 0 28px 64px rgba(70, 130, 200, 0.12);
}

.hero-premium .hero-art-bg::before,
.hero-premium .hero-art-bg::after,
.hero-premium .hero-art-orbit::before,
.hero-premium .hero-art-orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.hero-premium .hero-art-bg::before {
  right: 44px;
  top: 28px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(78, 159, 255, 0.18) 0%, rgba(78, 159, 255, 0.07) 42%, transparent 72%);
}

.hero-premium .hero-art-bg::after {
  left: 90px;
  bottom: 60px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(87, 183, 255, 0.16), transparent 72%);
}

.hero-premium .hero-art-orbit {
  position: absolute;
  inset: 18px 30px 16px 54px;
  border-radius: 40px;
  background:
    radial-gradient(circle at 28% 30%, rgba(255,255,255,0.72), transparent 26%),
    radial-gradient(circle at 76% 22%, rgba(78, 159, 255, 0.12), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.01));
}

.hero-premium .hero-art-orbit::before {
  inset: 44px 48px 52px 14px;
  border: 1px solid rgba(78, 159, 255, 0.18);
}

.hero-premium .hero-art-orbit::after {
  inset: 116px 108px 124px 108px;
  border: 1px solid rgba(78, 159, 255, 0.11);
}

.hero-premium .hero-float,
.hero-premium .hero-phone-frame,
.hero-premium .hero-card,
.hero-premium .hero-chip {
  position: absolute;
}

.hero-premium .hero-float {
  padding: 18px 20px;
  border-radius: 26px;
  background: rgba(255,255,255,0.76);
  border: 1px solid rgba(120,184,255,0.24);
  box-shadow: 0 18px 34px rgba(88, 148, 214, 0.12);
  backdrop-filter: blur(14px);
}

.hero-premium .hero-float strong {
  display: block;
  font-size: 1.95rem;
  line-height: 1;
  color: var(--text);
}

.hero-premium .hero-float span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.hero-premium .hero-float-left {
  left: 96px;
  top: 48px;
  transform: rotate(-6deg);
}

.hero-premium .hero-float-right {
  right: 56px;
  top: 78px;
  transform: rotate(11deg);
}

.hero-premium .hero-phone-frame {
  left: 152px;
  top: 112px;
  width: 330px;
  padding: 16px 14px 18px;
  border-radius: 38px;
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(239,246,255,0.94));
  border: 1px solid rgba(255,255,255,0.96);
  box-shadow: 0 30px 70px rgba(62, 131, 211, 0.2);
  transform: rotate(-3deg);
  z-index: 3;
}

.hero-premium .hero-phone-frame::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,0.72);
}

.hero-premium .hero-phone-topbar {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 12px;
}

.hero-premium .hero-phone-topbar span {
  width: 42px;
  height: 6px;
  border-radius: 999px;
  background: rgba(40,119,245,0.16);
}

.hero-premium .hero-phone-screen {
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(29,144,253,0.1);
  background: #fff;
}

.hero-premium .hero-phone-screen img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center top;
}

.hero-premium .hero-card {
  right: 40px;
  top: 150px;
  width: 338px;
  padding: 22px 22px 22px 24px;
  border-radius: 32px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255,255,255,0.84);
  border: 1px solid rgba(120,184,255,0.18);
  box-shadow: 0 18px 42px rgba(70, 130, 200, 0.12);
  backdrop-filter: blur(16px);
  z-index: 4;
}

.hero-premium .hero-card-copy { flex: 1; }
.hero-premium .hero-card strong { display: block; font-size: 1.02rem; color: var(--text); }
.hero-premium .hero-card span { display: block; margin-top: 10px; color: var(--muted); font-size: 1.05rem; font-weight: 700; line-height: 1.55; }
.hero-premium .hero-card i {
  width: 102px;
  height: 102px;
  flex: 0 0 auto;
  border-radius: 28px;
  background:
    radial-gradient(circle at 40% 32%, rgba(255,255,255,0.92) 0 14px, transparent 15px),
    linear-gradient(135deg, rgba(222,235,251,0.96), rgba(200,225,255,0.92));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.66);
}

.hero-premium .hero-chip {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 180px;
  padding: 16px 18px;
  border-radius: 24px;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(120,184,255,0.18);
  box-shadow: 0 14px 30px rgba(76, 148, 225, 0.1);
  backdrop-filter: blur(14px);
  z-index: 5;
}

.hero-premium .hero-chip strong {
  display: block;
  font-size: 0.98rem;
  line-height: 1.35;
  color: var(--text);
}

.hero-premium .hero-chip small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.3;
  font-weight: 700;
}

.hero-premium .hero-chip-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  border-radius: 18px;
  color: var(--blue);
  background: linear-gradient(180deg, rgba(235,244,255,0.98), rgba(220,235,255,0.92));
  box-shadow: inset 0 0 0 1px rgba(47,125,246,0.08);
  font-size: 1.05rem;
  font-weight: 900;
}

.hero.hero-premium h1 span {
  white-space: nowrap;
}

.hero.hero-premium h1 span + span {`r`n  margin-top: 0.12em;`r`n}

.hero-premium .hero-chip-icon-chart { position: relative; }
.hero-premium .hero-chip-icon-chart::before {
  content: "";
  position: absolute;
  left: 16px;
  bottom: 15px;
  width: 5px;
  height: 14px;
  border-radius: 999px;
  background: var(--blue);
  box-shadow: 9px -6px 0 0 var(--blue), 18px -12px 0 0 var(--blue);
}
.hero-premium .hero-chip-icon-chart::after {
  content: "";
  position: absolute;
  left: 18px;
  bottom: 29px;
  width: 16px;
  height: 16px;
  border-top: 3px solid var(--blue);
  border-right: 3px solid var(--blue);
  transform: rotate(-45deg);
}

.hero-premium .hero-chip-ai { left: 18px; top: 270px; width: 178px; }
.hero-premium .hero-chip-data { right: 18px; bottom: 124px; width: 190px; }

@media (max-width: 1280px) {
  .hero.hero-premium {
    grid-template-columns: 1fr;
  }

  .hero-premium .hero-visual {
    min-height: 700px;
  }
}

@media (max-width: 860px) {
  .hero.hero-premium {
    padding-top: 28px;
  }

  .hero-premium .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-premium .hero-visual {
    min-height: 640px;
  }
}

@media (max-width: 640px) {
  .hero.hero-premium {
    min-height: 0;
    padding-top: 24px;
  }

  .hero-premium .hero-copy {
    padding-top: 8px;
  }

  .hero-premium h1 {
    max-width: none;
    font-size: clamp(2.8rem, 12vw, 4.4rem);
    line-height: 0.92;
  }

  .hero-premium .hero-lead {
    margin-top: 18px;
  }

  .hero-premium .hero-cta {
    width: 100%;
    justify-content: space-between;
  }

  .hero-premium .hero-stats {
    gap: 14px 12px;
    margin-top: 30px;
  }

  .hero-premium .hero-stat {
    padding-right: 0;
    border-right: 0;
  }

  .hero-premium .hero-visual {
    min-height: 560px;
  }

  .hero-premium .hero-art-bg {
    inset: 8px 0 0 8px;
    border-radius: 32px;
  }

  .hero-premium .hero-art-orbit {
    inset: 14px 18px 14px 28px;
    border-radius: 28px;
  }

  .hero-premium .hero-float-left {
    left: 14px;
    top: 26px;
  }

  .hero-premium .hero-float-right {
    right: 14px;
    top: 52px;
  }

  .hero-premium .hero-phone-frame {
    left: 50%;
    top: 118px;
    width: min(288px, calc(100% - 72px));
    transform: translateX(-50%) rotate(-2deg);
  }

  .hero-premium .hero-phone-screen img {
    height: 430px;
  }

  .hero-premium .hero-card {
    left: 50%;
    right: auto;
    top: 92px;
    width: min(286px, calc(100% - 24px));
    transform: translateX(-50%);
  }

  .hero-premium .hero-card i {
    width: 82px;
    height: 82px;
    border-radius: 24px;
  }

  .hero-premium .hero-chip-ai {
    left: 10px;
    top: 220px;
    width: 148px;
  }

  .hero-premium .hero-chip-data {
    right: 10px;
    bottom: 56px;
    width: 160px;
  }

  .hero-premium .hero-chip {
    gap: 10px;
    padding: 12px;
    border-radius: 20px;
  }

  .hero-premium .hero-chip-icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    font-size: 0.9rem;
  }
}


.hero.hero-premium {
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  min-height: clamp(760px, 82vh, 900px);
  padding: 56px 0 26px;
}

.hero.hero-premium .hero-copy {
  padding-top: 12px;
  z-index: 2;
}

.hero.hero-premium .hero-kicker {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(47,125,246,0.12);
  background: rgba(47,125,246,0.11);
  color: var(--blue);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.hero.hero-premium h1 {
  margin-top: 30px;
  max-width: none;
  font-size: clamp(3.6rem, 5.5vw, 6.1rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  font-weight: 700;
}

.hero.hero-premium h1 span {
  white-space: nowrap;
}

.hero.hero-premium h1 span + span {`r`n  margin-top: 0.12em;`r`n}

.hero.hero-premium h1 .hero-title-subline {
  font-size: 0.85em;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0;
}

.hero.hero-premium h1 em {
  color: #2d79f5;
}

.hero.hero-premium .hero-lead {
  max-width: 780px;
  margin-top: 26px;
  font-size: clamp(0.98rem, 1.16vw, 1.12rem);
  line-height: 1.7;
  color: #5f708f;
}

.hero.hero-premium .hero-cta {
  margin-top: 34px;
  min-width: 178px;
  height: 56px;
  padding-left: 24px;
  padding-right: 10px;
  gap: 16px;
  border: 0;
  box-shadow: 0 18px 34px rgba(47,125,246,0.24);
}

.hero.hero-premium .hero-cta i {
  width: 46px;
  height: 46px;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(47,125,246,0.08);
}

.hero.hero-premium .hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 56px;
  max-width: 860px;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
  animation: fadeInUp 0.8s ease both;
  animation-delay: 0.3s;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero.hero-premium .hero-stat {
  padding: 18px 20px 16px;
  border-right: 1px solid rgba(47,125,246,0.12);
  transition: transform 0.3s ease;
}

.hero.hero-premium .hero-stat:hover {
  transform: translateY(-6px) scale(1.05);
}

.hero.hero-premium .hero-stat:last-child {
  border-right: 0;
}

.hero.hero-premium .hero-stat strong {
  font-size: clamp(1.85rem, 2.4vw, 2.75rem);
  color: #1a2749;
  letter-spacing: -0.03em;
  display: inline-block;
}

.hero.hero-premium .hero-stat strong.count-up {
  animation: countPulse 2s ease-in-out infinite;
}

@keyframes countPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.75; }
}

.hero.hero-premium .hero-stat em {
  font-size: 0.63em;
  font-weight: 800;
}

.hero.hero-premium .hero-stat span {
  margin-top: 8px;
  color: #5d708d;
  font-size: 0.86rem;
  line-height: 1.45;
}

.hero.hero-premium .hero-visual {
  position: relative;
  min-height: 820px;
  isolation: isolate;
}

.hero.hero-premium .hero-art-bg {
  position: absolute;
  inset: 0 0 0 20px;
  border-radius: 52px;
  background:
    radial-gradient(circle at 18% 14%, rgba(255,255,255,0.98), transparent 16%),
    radial-gradient(circle at 76% 18%, rgba(78,159,255,0.18), transparent 18%),
    radial-gradient(circle at 84% 74%, rgba(78,159,255,0.14), transparent 18%),
    linear-gradient(135deg, rgba(255,255,255,0.78), rgba(223,239,255,0.9) 42%, rgba(198,225,255,0.84));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.92), 0 30px 64px rgba(73,132,214,0.12);
}

.hero.hero-premium .hero-art-bg::before,
.hero.hero-premium .hero-art-bg::after,
.hero.hero-premium .hero-art-orbit::before,
.hero.hero-premium .hero-art-orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.hero.hero-premium .hero-art-bg::before {
  right: 30px;
  top: 30px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(78,159,255,0.2) 0%, rgba(78,159,255,0.07) 44%, transparent 74%);
}

.hero.hero-premium .hero-art-bg::after {
  left: 84px;
  bottom: 50px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(87,183,255,0.14), transparent 72%);
}

.hero.hero-premium .hero-art-orbit {
  position: absolute;
  inset: 22px 30px 18px 34px;
  border-radius: 50px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.36), rgba(255,255,255,0.06) 48%, transparent 72%),
    radial-gradient(circle at 64% 24%, rgba(117,174,255,0.15), transparent 26%),
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
}

.hero.hero-premium .hero-art-orbit::before,
.hero.hero-premium .hero-art-orbit::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.hero.hero-premium .hero-art-orbit::before {
  inset: 42px 66px 54px 42px;
  border: 1px solid rgba(103,164,244,0.14);
}

.hero.hero-premium .hero-art-orbit::after {
  inset: 96px 134px 112px 122px;
  border: 1px solid rgba(103,164,244,0.09);
}

.hero.hero-premium .hero-visual::before,
.hero.hero-premium .hero-visual::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: #2f7fff;
  box-shadow: 0 0 0 10px rgba(47,127,255,0.06);
  z-index: 1;
}

.hero.hero-premium .hero-visual::before {
  width: 10px;
  height: 10px;
  left: 62px;
  bottom: 168px;
}

.hero.hero-premium .hero-visual::after {
  width: 12px;
  height: 12px;
  right: 68px;
  top: 292px;
}

.hero.hero-premium .hero-art-bg::before,
.hero.hero-premium .hero-art-bg::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3e86ff;
  box-shadow: 0 0 0 8px rgba(62,134,255,0.04);
}

.hero.hero-premium .hero-art-bg::before {
  left: -8px;
  bottom: 118px;
}

.hero.hero-premium .hero-art-bg::after {
  right: 112px;
  bottom: 112px;
}

.hero.hero-premium .hero-float {
  position: absolute;
  display: grid;
  gap: 4px;
  padding: 18px 22px 16px;
  border-radius: 28px;
  background: rgba(255,255,255,0.84);
  border: 1px solid rgba(136,185,247,0.22);
  box-shadow: 0 18px 36px rgba(83,140,213,0.12);
  backdrop-filter: blur(18px);
  z-index: 5;
}

.hero.hero-premium .hero-float strong {
  font-size: 1.06rem;
  line-height: 1;
  color: #15264a;
}

.hero.hero-premium .hero-float span {
  color: #495f84;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.2;
}

.hero.hero-premium .hero-float-left {
  left: 126px;
  top: 42px;
  transform: rotate(-6deg);
}

.hero.hero-premium .hero-float-left strong,
.hero.hero-premium .hero-float-right strong {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -0.06em;
}

.hero.hero-premium .hero-float-right {
  right: 70px;
  top: 98px;
  transform: rotate(8deg);
  padding: 16px 20px 14px;
}

.hero.hero-premium .hero-phone-frame {
  position: absolute;
  left: 168px;
  top: 102px;
  width: 320px;
  padding: 14px 14px 16px;
  border-radius: 42px;
  background: linear-gradient(180deg, rgba(255,255,255,0.99), rgba(242,247,255,0.96));
  border: 1px solid rgba(255,255,255,0.98);
  box-shadow: 0 30px 70px rgba(74,135,212,0.2), 0 12px 24px rgba(74,135,212,0.08);
  transform: rotate(-2.8deg);
  z-index: 4;
}

.hero.hero-premium .hero-phone-frame::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 32px;
  border: 1px solid rgba(255,255,255,0.78);
  pointer-events: none;
}

.hero.hero-premium .hero-phone-topbar {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 12px;
}

.hero.hero-premium .hero-phone-topbar span {
  width: 42px;
  height: 7px;
  border-radius: 999px;
  background: rgba(123,169,239,0.34);
}

.hero.hero-premium .hero-phone-screen {
  overflow: hidden;
  border-radius: 30px;
  border: 1px solid rgba(57,135,242,0.08);
  background: #ffffff;
}

.hero.hero-premium .hero-phone-screen img {
  display: block;
  width: 100%;
  height: 548px;
  object-fit: cover;
  object-position: center top;
}

 .hero.hero-premium .hero-card {
  position: absolute;
  right: 18px;
  top: 206px;
  width: 330px;
  padding: 24px 22px 24px 26px;
  border-radius: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: rgba(255,255,255,0.84);
  border: 1px solid rgba(136,185,247,0.22);
  box-shadow: 0 22px 46px rgba(76,136,211,0.12);
  backdrop-filter: blur(18px);
  z-index: 6;
}

.hero.hero-premium .hero-card-copy {
  display: grid;
  gap: 6px;
}

.hero.hero-premium .hero-card strong {
  font-size: 0.98rem;
  line-height: 1.1;
  color: #16284b;
}

.hero.hero-premium .hero-card span {
  margin-top: 0;
  color: #4f6386;
  font-size: 0.94rem;
  line-height: 1.55;
  font-weight: 700;
}

.hero.hero-premium .hero-card i {
  flex: 0 0 98px;
  width: 98px;
  height: 98px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 44% 32%, rgba(255,255,255,0.95) 0 13px, transparent 14px),
    linear-gradient(135deg, rgba(223,236,252,0.98), rgba(198,223,252,0.94));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.68);
}

.hero.hero-premium .hero-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 18px;
  border-radius: 26px;
  background: rgba(255,255,255,0.84);
  border: 1px solid rgba(136,185,247,0.2);
  box-shadow: 0 16px 34px rgba(76,136,211,0.1);
  backdrop-filter: blur(16px);
  z-index: 6;
}

.hero.hero-premium .hero-chip strong {
  font-size: 0.96rem;
  line-height: 1.35;
  color: #1b2d4f;
}

.hero.hero-premium .hero-chip small {
  display: none;
}

.hero.hero-premium .hero-chip-icon {
  flex: 0 0 58px;
  width: 58px;
  height: 58px;
  border-radius: 18px;
}

.hero.hero-premium .hero-chip-ai {
  left: 44px;
  top: 322px;
  width: 178px;
}

.hero.hero-premium .hero-chip-data {
  right: 30px;
  bottom: 92px;
  width: 182px;
}

@media (max-width: 1280px) {
  .hero.hero-premium {
    grid-template-columns: 1fr;
  }

  .hero.hero-premium .hero-visual {
    min-height: 720px;
  }

  .hero.hero-premium .hero-phone-frame {
    left: 150px;
  }

  .hero.hero-premium .hero-card {
    right: 28px;
  }
}

@media (max-width: 860px) {
  .hero.hero-premium {
    padding-top: 28px;
  }

  .hero.hero-premium .hero-visual {
    min-height: 620px;
  }

  .hero.hero-premium .hero-art-bg {
    inset: 0;
    border-radius: 36px;
  }

  .hero.hero-premium .hero-phone-frame {
    left: 50%;
    top: 84px;
    width: min(76vw, 318px);
    transform: translateX(-50%) rotate(-2.2deg);
  }

  .hero.hero-premium .hero-card {
    right: 8px;
    top: 124px;
    width: min(48vw, 300px);
    padding: 18px 18px 18px 20px;
  }

  .hero.hero-premium .hero-card i {
    flex-basis: 76px;
    width: 76px;
    height: 76px;
    border-radius: 22px;
  }

  .hero.hero-premium .hero-chip-ai {
    left: 0;
    top: 286px;
    width: 156px;
  }

  .hero.hero-premium .hero-chip-data {
    right: 0;
    bottom: 78px;
    width: 164px;
  }

  .hero.hero-premium .hero-float-left {
    left: 72px;
    top: 26px;
  }

  .hero.hero-premium .hero-float-right {
    right: 34px;
    top: 74px;
  }
}

@media (max-width: 640px) {
  .hero.hero-premium {
    padding-top: 24px;
  }

  .hero.hero-premium .hero-visual {
    min-height: 560px;
  }

  .hero.hero-premium .hero-float-left strong,
  .hero.hero-premium .hero-float-right strong {
    font-size: 2.2rem;
  }

  .hero.hero-premium .hero-float span {
    font-size: 0.76rem;
  }

  .hero.hero-premium .hero-phone-frame {
    width: min(78vw, 292px);
    padding: 12px 12px 14px;
  }

  .hero.hero-premium .hero-phone-screen img {
    height: 470px;
  }

  .hero.hero-premium .hero-card {
    width: min(56vw, 250px);
    right: 0;
    top: 118px;
    gap: 12px;
  }

  .hero.hero-premium .hero-card span {
    font-size: 0.84rem;
  }

  .hero.hero-premium .hero-card i {
    flex-basis: 62px;
    width: 62px;
    height: 62px;
    border-radius: 18px;
  }

  .hero.hero-premium .hero-chip {
    padding: 14px 14px;
    gap: 10px;
  }

  .hero.hero-premium .hero-chip-icon {
    flex-basis: 48px;
    width: 48px;
    height: 48px;
  }

  .hero.hero-premium .hero-chip strong {
    font-size: 0.84rem;
  }

  .hero.hero-premium .hero-chip-ai {
    top: 268px;
    width: 142px;
  }

  .hero.hero-premium .hero-chip-data {
    bottom: 64px;
    width: 148px;
  }

  .hero.hero-premium .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 0;
  }
}



.section-showcase {
  position: relative;
}

.section-heading-premium .section-tag {
  color: #3f7ef1;
}

.section-heading-premium h2 {
  max-width: 11ch;
}

.premium-grid {
  gap: 26px;
  margin-top: 36px;
}

/* ===== 关于我们 - 新卡片风格 ===== */
.about-intro {
  max-width: 1100px;
  margin: 0 auto 48px;
  text-align: center;
}

.about-intro p {
  font-size: 1.05rem;
  line-height: 1.9;
  color: #4a5568;
  margin: 0 0 20px;
}

.about-intro p:last-child {
  margin-bottom: 0;
}

.about-intro strong {
  color: #1a5fd4;
  font-weight: 700;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: linear-gradient(135deg, #e8f2ff 0%, #d6e9ff 100%);
  border-radius: 28px;
  padding: 24px;
}

.about-card {
  background: linear-gradient(180deg, #eee8ff 0%, #ffffff 100%);
  border-radius: 20px;
  padding: 28px 20px 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(47,125,246,0.1);
  display: flex;
  flex-direction: column;
  text-align: left;
}

.about-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(47,125,246,0.18);
}

.about-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.about-card-icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

.about-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: #1a5fd4;
  margin: 0;
  letter-spacing: -0.01em;
}

.about-card p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: #5b6f8d;
  margin: 0;
}

.about-card-arrow {
  position: absolute;
  bottom: 20px;
  right: 18px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3b82f6;
  font-size: 1.1rem;
}

/* ===== 产品中心（竖版卡片 4:3）===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  background: linear-gradient(180deg, #FFF5F0 0%, #ffffff 100%);
  border: 1px solid rgba(255, 140, 100, 0.12);
  border-radius: 16px;
  padding: 24px;
  aspect-ratio: auto;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 18px rgba(255, 120, 80, 0.07);
  transition: transform .25s ease, box-shadow .25s ease;
  position: relative;
  overflow: hidden;
}

/* 第1、5、9张：浅蓝渐变 + 白边 */
.product-card:nth-child(1),
.product-card:nth-child(5),
.product-card:nth-child(9) {
  background: linear-gradient(180deg, #DCE8FF 0%, #ffffff 100%);
  border: 1px solid rgba(255,255,255,0.8);
  box-shadow: 0 4px 18px rgba(220,232,255,0.35), inset 0 0 0 1px rgba(255,255,255,0.5);
}
.product-card:nth-child(1):hover,
.product-card:nth-child(5):hover,
.product-card:nth-child(9):hover {
  box-shadow: 0 12px 30px rgba(220,232,255,0.5), inset 0 0 0 1px rgba(255,255,255,0.7);
}

/* 第3、7、11张：青绿渐变 + 白边 */
.product-card:nth-child(3),
.product-card:nth-child(7),
.product-card:nth-child(11) {
  background: linear-gradient(180deg, #E1FAF5 0%, #ffffff 100%);
  border: 1px solid rgba(255,255,255,0.8);
  box-shadow: 0 4px 18px rgba(225,250,245,0.35), inset 0 0 0 1px rgba(255,255,255,0.5);
}
.product-card:nth-child(3):hover,
.product-card:nth-child(7):hover,
.product-card:nth-child(11):hover {
  box-shadow: 0 12px 30px rgba(225,250,245,0.5), inset 0 0 0 1px rgba(255,255,255,0.7);
}

/* 第2、4、6、8、10、12张：暖色渐变（原有样式） */
.product-card:nth-child(even) {
  background: linear-gradient(180deg, #FFF5F0 0%, #ffffff 100%);
  border: 1px solid rgba(255, 140, 100, 0.12);
  box-shadow: 0 4px 18px rgba(255, 120, 80, 0.07);
}
.product-card:nth-child(even):hover {
  box-shadow: 0 12px 30px rgba(255, 120, 80, 0.14);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(255, 120, 80, 0.14);
}

.product-card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.product-card-icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
}

.product-card h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: #1a1a2e;
  letter-spacing: -0.01em;
}

.product-card p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.65;
  color: #666;
  flex: 1;
}

.product-card-link:hover {
  color: #e55a3c;
}

/* 热门版本区块 */
.section-versions {
  padding: 80px 0;
}

/* 版本导航标签 */
.version-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
  padding: 8px;
  background: rgba(255,255,255,0.6);
  border-radius: 12px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.version-tab {
  padding: 10px 24px;
  font-size: 16px;
  font-weight: 600;
  color: #5a6a8a;
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all .2s ease;
}

.version-tab:hover {
  color: #2f7df6;
  background: rgba(47,125,246,0.08);
}

.version-tab.active {
  color: #fff;
  background: linear-gradient(135deg, #2f7df6, #4a7eef);
  box-shadow: 0 4px 14px rgba(47,125,246,0.35);
}

/* 版本内容区 */
.version-content {
  margin-top: 32px;
  position: relative;
}

.version-panel {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease;
}

.version-panel.active .version-info {
  animation: versionFadeInLeft .5s ease forwards;
}

.version-panel.active .version-visual {
  animation: versionFadeInRight .5s ease forwards;
}

@keyframes versionFadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes versionFadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.version-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.version-panel-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: linear-gradient(135deg, #1e3a5f 0%, #2d4a6f 50%, #1e3a5f 100%);
  border-radius: 24px;
  padding: 48px;
  min-height: 420px;
  box-shadow: 0 24px 60px rgba(30,58,95,0.25);
}

.version-info {
  color: #fff;
  padding-left: 100px;
}

.version-info h3 {
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 12px 0;
  color: #00ffff;
}

.version-info h3 span {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  margin-left: 12px;
}

.version-subtitle-en {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.7);
  margin: 4px 0 8px 0;
  font-weight: 400;
}

.version-subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.9);
  margin: 12px 0 16px 0;
  font-weight: 600;
}

.version-features-list {
  margin-top: 12px;
}

.version-features-list p {
  font-size: 0.9rem;
  color: #fff;
  line-height: 1.8;
  margin: 4px 0;
}

.version-modes-inline {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.version-modes-inline .mode-tag {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
}

.version-desc {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  margin-bottom: 20px;
}

.version-features-compact {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 24px;
}

.version-features-compact li {
  position: relative;
  padding-left: 16px;
  font-size: 0.9rem;
  color: #fff;
  line-height: 1.5;
}

.version-features-compact li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #4a7eef;
}

.version-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.version-visual img {
  max-width: 100%;
  max-height: 360px;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: none;
}

/* 双图并排布局 */
.version-visual-double {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: center;
}

.version-visual-double img {
  max-height: 280px;
  width: 100%;
  box-shadow: none;
  border-radius: 10px;
}

.version-visual-single {
  display: block;
}

.version-visual-single img {
  max-height: 360px;
  width: 100%;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: none;
}

/* ========== 热门功能（标签切换布局）========== */
.feature-tabs {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-top: 32px;
  padding: 5px;
  background: rgba(255,255,255,0.6);
  border-radius: 12px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  flex-wrap: wrap;
}

.feature-tab {
  padding: 8px 18px;
  font-size: 16px;
  font-weight: 600;
  color: #5a6a8a;
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all .2s ease;
  white-space: nowrap;
}

.feature-tab:hover {
  color: #2f7df6;
  background: rgba(47,125,246,0.08);
}

.feature-tab.active {
  color: #fff;
  background: linear-gradient(135deg, #2f7df6, #4a7eef);
  box-shadow: 0 4px 14px rgba(47,125,246,0.35);
}

/* 功能内容区 */
.feature-content {
  margin-top: 32px;
  position: relative;
}

.feature-panel {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease;
}

.feature-panel.active .feature-info {
  animation: featureFadeInLeft .5s ease forwards;
}

.feature-panel.active .feature-visual {
  animation: featureFadeInRight .5s ease forwards;
}

@keyframes featureFadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes featureFadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

.feature-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.feature-panel-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: linear-gradient(180deg, #CBEEF7 0%, #ffffff 100%);
  border-radius: 24px;
  padding: 48px;
  min-height: 420px;
  box-shadow: 0 24px 60px rgba(58,110,255,0.25);
  border: 2px solid rgba(255,255,255,0.8);
}

.feature-info {
  color: #002150;
  padding-left: 120px;
}

.feature-info h3 {
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 12px 0;
  color: #002150;
}

.feature-info .en-subtitle {
  font-size: 0.9rem;
  font-weight: 400;
  color: #7a8ba5;
  margin: -8px 0 12px 0;
}

.feature-subtitle {
  font-size: 1rem;
  color: #002150;
  margin: 12px 0 16px 0;
  font-weight: 600;
}

.feature-list {
  margin-top: 12px;
}

.feature-list p {
  font-size: 0.9rem;
  color: #002150;
  line-height: 1.8;
  margin: 4px 0;
}

.feature-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-visual img {
  max-width: 100%;
  max-height: 400px;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: none;
}

@media (max-width: 1024px) {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px;
  }
  
  .feature-info {
    padding-left: 120px;
  }
  
  .feature-tabs {
    flex-wrap: wrap;
    width: fit-content;
    max-width: 100%;
  }
  
  .feature-tab {
    padding: 8px 14px;
    font-size: 16px;
  }
}

@media (max-width: 1024px) {
  .version-panel-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px;
  }
  
  .version-features-compact {
    grid-template-columns: 1fr;
  }
  
  .version-tabs {
    flex-wrap: wrap;
    width: 100%;
  }
  
  .version-tab {
    padding: 8px 16px;
    font-size: 16px;
  }
}

@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .about-cards { grid-template-columns: repeat(2, 1fr); }
  .about-card { padding: 24px 20px 64px; }
}

@media (max-width: 640px) {
  .about-cards { grid-template-columns: 1fr; }
}

.premium-grid-about,
.premium-grid-product {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.premium-panel {
  position: relative;
  overflow: hidden;
  min-height: 244px;
  padding: 30px 32px 30px;
  border-radius: 34px;
  border: 1px solid rgba(132,183,247,0.18);
  background:
    radial-gradient(circle at top right, rgba(92,160,255,0.18), transparent 32%),
    linear-gradient(180deg, rgba(255,255,255,0.95), rgba(241,247,255,0.9));
  box-shadow: 0 28px 56px rgba(84,134,205,0.12);
}

.premium-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.32), transparent 34%),
    radial-gradient(circle at 92% 84%, rgba(70,138,255,0.12), transparent 18%);
  pointer-events: none;
}

.premium-panel::after {
  content: "";
  position: absolute;
  right: -48px;
  bottom: -56px;
  width: 180px;
  height: 180px;
  border-radius: 36px;
  border: 1px solid rgba(123,178,245,0.16);
  transform: rotate(16deg);
  pointer-events: none;
}

.premium-panel-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 18px;
}

.premium-icon {
  position: relative;
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(240,247,255,0.96), rgba(220,234,255,0.9));
  border: 1px solid rgba(121,178,247,0.22);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.9), 0 14px 30px rgba(82,135,205,0.12);
}

.premium-icon::before,
.premium-icon::after {
  content: "";
  position: absolute;
}

.premium-icon-orbit::before {
  inset: 16px;
  border-radius: 50%;
  border: 2px solid #3b82f6;
}

.premium-icon-orbit::after {
  width: 14px;
  height: 14px;
  right: 14px;
  top: 18px;
  border-radius: 50%;
  background: #3b82f6;
  box-shadow: -22px 20px 0 -2px rgba(59,130,246,0.28);
}

.premium-icon-chip::before {
  inset: 18px;
  border-radius: 16px;
  border: 2px solid #3b82f6;
}

.premium-icon-chip::after {
  left: 12px;
  right: 12px;
  top: 50%;
  height: 2px;
  background: #3b82f6;
  box-shadow: 0 -14px 0 rgba(59,130,246,0.22), 0 14px 0 rgba(59,130,246,0.22);
}

.premium-icon-grid::before {
  left: 16px;
  top: 16px;
  width: 14px;
  height: 14px;
  border-radius: 6px;
  background: #3b82f6;
  box-shadow: 22px 0 0 rgba(59,130,246,0.78), 0 22px 0 rgba(59,130,246,0.78), 22px 22px 0 rgba(59,130,246,0.32);
}

.premium-icon-target::before {
  inset: 14px;
  border-radius: 50%;
  border: 2px solid rgba(59,130,246,0.88);
  box-shadow: inset 0 0 0 10px rgba(59,130,246,0.12);
}

.premium-icon-target::after {
  left: 34px;
  top: 18px;
  width: 4px;
  height: 36px;
  background: #3b82f6;
  box-shadow: -16px 16px 0 -1px transparent;
}

.premium-icon-growth::before {
  left: 18px;
  bottom: 18px;
  width: 34px;
  height: 34px;
  border-left: 3px solid #3b82f6;
  border-bottom: 3px solid #3b82f6;
  border-radius: 0 0 0 10px;
}

.premium-icon-growth::after {
  right: 16px;
  top: 18px;
  width: 24px;
  height: 24px;
  border-top: 3px solid #3b82f6;
  border-right: 3px solid #3b82f6;
  transform: rotate(45deg);
}

.premium-icon-network::before {
  left: 15px;
  top: 30px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #3b82f6;
  box-shadow: 21px -14px 0 rgba(59,130,246,0.84), 21px 14px 0 rgba(59,130,246,0.84), 42px 0 0 rgba(59,130,246,0.84);
}

.premium-icon-network::after {
  left: 26px;
  top: 24px;
  width: 32px;
  height: 26px;
  border-top: 2px solid rgba(59,130,246,0.62);
  border-bottom: 2px solid rgba(59,130,246,0.62);
}

.premium-panel h3 {
  margin: 0;
  font-size: 1.62rem;
  line-height: 1.18;
  color: #17284a;
}

.premium-subtitle {
  margin-top: 8px;
  margin-bottom: 0;
  color: #3f7ef1;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.premium-panel > p:last-child {
  position: relative;
  z-index: 1;
  margin-top: 28px;
  margin-bottom: 0;
  max-width: 92%;
  color: #5e708e;
  font-size: 1.02rem;
  line-height: 1.95;
}

.premium-panel-wide {
  grid-column: auto;
  min-height: 244px;
}

.premium-grid-product .premium-panel-wide::after,
.premium-grid-about .premium-panel-wide::after {
  width: 180px;
  height: 180px;
  right: -48px;
}

@media (max-width: 860px) {
  .premium-grid-about,
  .premium-grid-product {
    grid-template-columns: 1fr;
  }

  .premium-panel-wide {
    grid-column: auto;
  }

  .premium-panel {
    min-height: 0;
    padding: 24px 22px;
    border-radius: 28px;
  }

  .premium-panel h3 {
    font-size: 1.34rem;
  }

  .premium-panel > p:last-child {
    max-width: none;
    font-size: 0.96rem;
    line-height: 1.85;
  }

  .premium-icon {
    flex-basis: 62px;
    width: 62px;
    height: 62px;
    border-radius: 18px;
  }
}


.section-showcase::before,
.section-showcase::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.section-showcase::before {
  left: -42px;
  right: -42px;
  top: 74px;
  bottom: 18px;
  border-radius: 44px;
  background:
    radial-gradient(circle at 16% 24%, rgba(72,140,255,0.1), transparent 20%),
    radial-gradient(circle at 82% 30%, rgba(72,140,255,0.12), transparent 18%),
    linear-gradient(180deg, rgba(255,255,255,0.14), rgba(214,231,255,0.1));
  opacity: 0.95;
}

.section-showcase::after {
  width: 240px;
  height: 240px;
  right: -56px;
  top: 118px;
  border-radius: 42px;
  background: linear-gradient(135deg, rgba(72,140,255,0.12), rgba(72,140,255,0.03));
  transform: rotate(14deg);
  box-shadow: inset 0 0 0 1px rgba(123,178,245,0.12);
}

.section-showcase > * {
  position: relative;
  z-index: 1;
}

.premium-grid::before {
  content: "";
  position: absolute;
  left: -26px;
  top: -20px;
  width: 160px;
  height: 160px;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(62,128,245,0.14), rgba(255,255,255,0));
  transform: rotate(-12deg);
  pointer-events: none;
}

.premium-grid {
  position: relative;
}

.premium-panel {
  min-height: 268px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.98), rgba(248,251,255,0.96));
  box-shadow: 0 24px 48px rgba(84,134,205,0.1);
}

.premium-panel::before {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.52), transparent 30%),
    linear-gradient(90deg, transparent 0%, rgba(74,136,255,0.05) 48%, transparent 100%);
  opacity: 0.95;
}

.premium-panel::after {
  right: -34px;
  bottom: -38px;
  width: 156px;
  height: 156px;
  border-radius: 30px;
  border: 1px solid rgba(124,180,247,0.14);
  background: linear-gradient(135deg, rgba(83,145,255,0.08), rgba(255,255,255,0.02));
  transform: rotate(12deg);
}

.premium-panel:nth-child(2n) {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.985), rgba(246,250,255,0.965));
}

.premium-panel:nth-child(3n) {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.99), rgba(244,249,255,0.96));
}

.premium-panel:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 56px rgba(84,134,205,0.14);
}

.premium-panel-head {
  align-items: flex-start;
}

@media (max-width: 1180px) {
  .premium-grid-about,
  .premium-grid-product {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .section-showcase::before {
    left: -12px;
    right: -12px;
    top: 90px;
    border-radius: 30px;
  }

  .section-showcase::after {
    width: 132px;
    height: 132px;
    right: -18px;
    top: 138px;
    border-radius: 24px;
  }

  .premium-grid::before {
    width: 92px;
    height: 92px;
    left: -8px;
    top: -8px;
    border-radius: 20px;
  }
}


.section-subtitle {
  margin-top: 28px;
  margin-bottom: 32px;
  color: #4a7eef;
  font-size: clamp(0.96rem, 1.25vw, 1.12rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.5;
}


.premium-panel {
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.premium-panel:hover {
  border-color: rgba(95,156,245,0.24);
}

.premium-icon {
  background: linear-gradient(180deg, rgba(245,249,255,0.98), rgba(230,239,255,0.94));
}

#about.section-showcase::before {
  background:
    radial-gradient(circle at 14% 22%, rgba(74,140,255,0.14), transparent 18%),
    radial-gradient(circle at 82% 28%, rgba(74,140,255,0.12), transparent 16%),
    linear-gradient(180deg, rgba(255,255,255,0.16), rgba(220,235,255,0.1));
}

#about.section-showcase::after {
  width: 260px;
  height: 220px;
  right: -34px;
  top: 104px;
  border-radius: 48px;
  background: linear-gradient(135deg, rgba(88,148,255,0.12), rgba(88,148,255,0.03));
  transform: rotate(10deg);
}

#about .premium-grid::before {
  width: 180px;
  height: 180px;
  left: -34px;
  top: -12px;
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(76,138,255,0.16), rgba(255,255,255,0));
}

#about .premium-panel {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.99), rgba(246,250,255,0.97));
}

#about .premium-panel::before {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.58), transparent 28%),
    radial-gradient(circle at 88% 72%, rgba(77,140,255,0.08), transparent 18%);
}

#about .premium-icon {
  background: linear-gradient(180deg, rgba(244,249,255,0.99), rgba(228,238,255,0.95));
}

#product.section-showcase::before {
  background:
    radial-gradient(circle at 18% 70%, rgba(50,121,245,0.16), transparent 18%),
    radial-gradient(circle at 86% 24%, rgba(115,175,255,0.14), transparent 16%),
    linear-gradient(180deg, rgba(255,255,255,0.12), rgba(214,231,255,0.08));
}

#product.section-showcase::after {
  width: 300px;
  height: 236px;
  right: -70px;
  top: 160px;
  border-radius: 54px;
  background: linear-gradient(135deg, rgba(44,114,245,0.14), rgba(44,114,245,0.04));
  transform: rotate(16deg);
}

#product .premium-grid::before {
  width: 148px;
  height: 148px;
  left: auto;
  right: -14px;
  top: -18px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(47,125,246,0.18), rgba(255,255,255,0));
  transform: rotate(14deg);
}

#product .premium-panel {
  background:
    linear-gradient(180deg, rgba(252,254,255,0.99), rgba(243,248,255,0.96));
}

#product .premium-panel::before {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.5), transparent 30%),
    linear-gradient(90deg, transparent 0%, rgba(42,118,245,0.08) 52%, transparent 100%);
}

#product .premium-panel::after {
  background: linear-gradient(135deg, rgba(55,128,255,0.12), rgba(255,255,255,0.02));
}

#product .premium-icon {
  background: linear-gradient(180deg, rgba(239,246,255,0.98), rgba(222,234,255,0.94));
}

#about .section-tag {
  color: #4f86f6;
}

#product .section-tag {
  color: #2f78f4;
  box-shadow: 0 16px 34px rgba(47,125,246,0.12);
}

#value .section-heading h2 {
  max-width: none;
  white-space: nowrap;
  font-size: clamp(1.8rem, 3vw, 3rem);
}

.section-techflow {
  position: relative;
  padding: 80px 0;
}

.section-heading-techflow .section-tag {
  color: #3f7ef1;
}

.section-techflow::before {
  content: "";
  position: absolute;
  inset: 88px -34px 18px;
  border-radius: 42px;
  background:
    radial-gradient(circle at 10% 26%, rgba(37,117,242,0.1), transparent 16%),
    radial-gradient(circle at 84% 74%, rgba(63,138,255,0.12), transparent 18%),
    linear-gradient(180deg, rgba(255,255,255,0.12), rgba(218,233,255,0.08));
  pointer-events: none;
}

.section-techflow > * {
  position: relative;
  z-index: 1;
}

.techflow-grid,
.techdeep-grid,
.impact-grid {
  margin-top: 34px;
  gap: 24px;
}

.techflow-card,
.techdeep-card,
.impact-card {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  border: 1px solid rgba(116,176,246,0.18);
  background: linear-gradient(180deg, rgba(247,251,255,0.98), rgba(235,244,255,0.94));
  box-shadow: 0 24px 48px rgba(69,125,201,0.12);
}

.techflow-card::before,
.techdeep-card::before,
.impact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.24), transparent 30%),
    linear-gradient(90deg, transparent 0%, rgba(52,126,245,0.03) 48%, transparent 100%);
  pointer-events: none;
}

.techdeep-card::after,
.impact-card::after {
  content: "";
  position: absolute;
  right: -28px;
  top: -20px;
  width: 138px;
  height: 138px;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(51,126,245,0.12), rgba(255,255,255,0.02));
  transform: rotate(18deg);
  pointer-events: none;
}

.techflow-card::after {
  display: none;
}

.techflow-card {
  min-height: auto;
  padding: 28px 24px 26px;
  display: flex;
  flex-direction: column;
}

.techflow-card h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 12px;
  left: 0;
  top: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0;
  color: #183154;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.4;
  text-shadow: none;
}
.techdeep-card h3,
.impact-card h3 {

.techdeep-card h3 {
  color: #183154;
  text-shadow: none;
}

.techflow-card h3 { top: auto; }

/* 功能介绍卡片 - 图标装饰 */
.techflow-card h3::before {
  content: "";
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #5a8df7, #3366ee);
  box-shadow: 0 6px 16px rgba(51,102,238,0.25);
}

.techflow-card:nth-child(1) h3::before { background: linear-gradient(135deg, #667eea, #764ba2); }
.techflow-card:nth-child(2) h3::before { background: linear-gradient(135deg, #11998e, #38ef7d); }
.techflow-card:nth-child(3) h3::before { background: linear-gradient(135deg, #f093fb, #f5576c); }
.techflow-card:nth-child(4) h3::before { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.techdeep-card h3 {
  position: relative;
  left: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  min-height: 0;
  max-width: none;
  line-height: 1.18;
  white-space: nowrap;
  word-break: normal;
  z-index: 2;
}

.techdeep-card-tools h3::before,
.techdeep-card-engine h3::before {
  content: "";
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border-radius: 9px;
  box-shadow:
    0 10px 18px rgba(33, 79, 153, 0.12),
    inset 0 1px 0 rgba(255,255,255,0.82);
}

.techdeep-card-tools h3::before {
  background:
    linear-gradient(135deg, rgba(95,146,247,0.98), rgba(37,98,222,0.92)),
    linear-gradient(rgba(255,255,255,0.98), rgba(255,255,255,0.98)),
    linear-gradient(rgba(255,255,255,0.72), rgba(255,255,255,0.72)),
    linear-gradient(rgba(255,255,255,0.56), rgba(255,255,255,0.56)),
    radial-gradient(circle, rgba(255,255,255,0.92) 0 1.8px, transparent 2.4px);
  background-size: 100% 100%, 14px 3px, 18px 3px, 10px 3px, 4px 4px;
  background-position: 0 0, center 6px, center 12px, center 17px, 17px 17px;
  background-repeat: no-repeat;
  box-shadow:
    0 10px 18px rgba(33, 79, 153, 0.14),
    inset 0 1px 0 rgba(255,255,255,0.74);
}

.techdeep-card-engine h3::before {
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.95) 0 2px, transparent 3px),
    radial-gradient(circle at 22% 22%, rgba(255,255,255,0.9) 0 1.5px, transparent 2.5px),
    radial-gradient(circle at 78% 22%, rgba(255,255,255,0.9) 0 1.5px, transparent 2.5px),
    radial-gradient(circle at 22% 78%, rgba(255,255,255,0.9) 0 1.5px, transparent 2.5px),
    radial-gradient(circle at 78% 78%, rgba(255,255,255,0.9) 0 1.5px, transparent 2.5px),
    linear-gradient(135deg, rgba(95,146,247,0.98), rgba(37,98,222,0.92));
}
.impact-card h3 { top: 70px; }

.impact-card h3 {
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  max-width: none;
  min-height: 48px;
  white-space: nowrap;
}

.impact-card-ecosystem h3::before,
.impact-card-upgrade h3::before {
  content: "";
  display: block;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  margin-right: 0;
}

.impact-card-ecosystem h3::before {
  border-radius: 9px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.96) 0 2px, transparent 3px),
    radial-gradient(circle at 18% 26%, rgba(255,255,255,0.95) 0 3px, transparent 4px),
    radial-gradient(circle at 80% 26%, rgba(255,255,255,0.95) 0 3px, transparent 4px),
    radial-gradient(circle at 50% 78%, rgba(255,255,255,0.95) 0 3px, transparent 4px),
    linear-gradient(135deg, rgba(90,143,245,0.34), rgba(255,255,255,0.08));
  box-shadow:
    0 10px 18px rgba(33, 79, 153, 0.12),
    inset 0 1px 0 rgba(255,255,255,0.68);
}

.impact-card-upgrade h3::before {
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.96), rgba(223,236,255,0.74));
  box-shadow:
    0 10px 18px rgba(33, 79, 153, 0.12),
    inset 0 1px 0 rgba(255,255,255,0.82);
  -webkit-mask:
    linear-gradient(#000 0 0) left 4px bottom 4px / 4px 10px no-repeat,
    linear-gradient(#000 0 0) center bottom / 4px 16px no-repeat,
    linear-gradient(#000 0 0) right 4px bottom 1px / 4px 19px no-repeat,
    radial-gradient(circle at 50% 20%, #000 0 2px, transparent 3px);
  mask:
    linear-gradient(#000 0 0) left 4px bottom 4px / 4px 10px no-repeat,
    linear-gradient(#000 0 0) center bottom / 4px 16px no-repeat,
    linear-gradient(#000 0 0) right 4px bottom 1px / 4px 19px no-repeat,
    radial-gradient(circle at 50% 20%, #000 0 2px, transparent 3px);
}

.techflow-card p {
  position: relative;
  z-index: 1;
  margin-top: 8px;
  color: #5c6f8d;
  line-height: 1.75;
  font-size: 0.92rem;
}
.techdeep-card p,
.impact-card p,
.impact-list span {

.techflow-visual,
.techdeep-media,
.impact-orb {
  position: relative;
  z-index: 1;
}

.techflow-visual {
  height: 80px;
  border-radius: 18px;
  margin-top: auto;
  background: linear-gradient(135deg, rgba(166,205,255,0.6), rgba(88,139,242,0.35));
  box-shadow: none;
}

.techflow-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(315deg, rgba(255,255,255,0.1), transparent 34%),
    radial-gradient(circle at 86% 30%, rgba(255,255,255,0.08) 0 34px, transparent 35px);
  pointer-events: none;
}

.techflow-visual span,
.techdeep-media span,
.impact-orb span {
  position: absolute;
  display: block;
}

.techflow-visual-ai::before,
.techflow-visual-mobile::before,
.techflow-visual-team::before,
.techflow-visual-social::before,
.techdeep-media-tools::before,
.techdeep-media-engine::before,
.impact-orb-ecosystem::before,
.impact-orb-upgrade::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.techflow-visual-ai::before {
  background:
    radial-gradient(circle at 74% 50%, rgba(255,255,255,0.42) 0 16px, transparent 17px),
    radial-gradient(circle at 84% 34%, rgba(255,255,255,0.1) 0 38px, transparent 39px),
    linear-gradient(90deg, rgba(255,255,255,0.06), transparent 70%);
}

.techflow-visual-ai span:nth-child(1) {
  right: 20px;
  top: 24px;
  width: 86px;
  height: 86px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
}

.techflow-visual-ai span:nth-child(2) {
  right: 74px;
  top: 32px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
}

.techflow-visual-ai span:nth-child(3) {
  left: 18px;
  bottom: 18px;
  width: 80px;
  height: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.1);
}

.techflow-visual-mobile::before {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), transparent 60%),
    radial-gradient(circle at 86% 40%, rgba(255,255,255,0.08) 0 42px, transparent 43px);
}

.techflow-visual-mobile span:nth-child(1) {
  right: 28px;
  top: 18px;
  width: 62px;
  height: 92px;
  border-radius: 18px;
  background: rgba(255,255,255,0.56);
}

.techflow-visual-mobile span:nth-child(2) {
  right: 42px;
  top: 30px;
  width: 34px;
  height: 6px;
  border-radius: 999px;
  background: rgba(29,103,236,0.12);
}

.techflow-visual-mobile span:nth-child(3) {
  left: 24px;
  top: 28px;
  width: 68px;
  height: 68px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.1);
}

.techflow-visual-team::before {
  background:
    radial-gradient(circle at 78% 34%, rgba(255,255,255,0.06) 0 34px, transparent 35px),
    linear-gradient(135deg, rgba(255,255,255,0.08), transparent 55%);
}

.techflow-visual-team span:nth-child(1),
.techflow-visual-team span:nth-child(2),
.techflow-visual-team span:nth-child(3) {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
}

.techflow-visual-team span:nth-child(1) { right: 126px; top: 34px; }
.techflow-visual-team span:nth-child(2) { right: 76px; top: 20px; }
.techflow-visual-team span:nth-child(3) { right: 26px; top: 42px; }

.techflow-visual-social::before {
  background:
    radial-gradient(circle at 84% 36%, rgba(255,255,255,0.06) 0 34px, transparent 35px),
    linear-gradient(135deg, rgba(255,255,255,0.08), transparent 60%);
}

.techflow-visual-social span:nth-child(1),
.techflow-visual-social span:nth-child(2),
.techflow-visual-social span:nth-child(3) {
  border-radius: 999px;
  background: rgba(255,255,255,0.56);
}

.techflow-visual-social span:nth-child(1) {
  right: 22px;
  top: 26px;
  width: 92px;
  height: 18px;
}

.techflow-visual-social span:nth-child(2) {
  right: 82px;
  top: 54px;
  width: 78px;
  height: 18px;
}

.techflow-visual-social span:nth-child(3) {
  right: 46px;
  top: 82px;
  width: 96px;
  height: 18px;
}

.techdeep-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.techdeep-card {
  min-height: 360px;
  padding: 28px;
}

.techdeep-card .techdeep-media {
  display: none;
}

.techdeep-media {
  height: 166px;
  margin-bottom: 24px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(19,86,214,0.98), rgba(104,173,255,0.84));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.3), 0 18px 36px rgba(52,118,207,0.22);
}

.techdeep-copy {
  position: relative;
  z-index: 1;
  padding: 24px 22px 22px;
  min-height: 238px;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.78), rgba(231,241,255,0.54)),
    linear-gradient(315deg, rgba(101,148,245,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(132,176,245,0.2);
  box-shadow:
    0 18px 40px rgba(73, 124, 203, 0.12),
    inset 0 1px 0 rgba(255,255,255,0.9);
  overflow: hidden;
}

.techdeep-card-tools .techdeep-copy {
  min-height: 272px;
}

.techdeep-copy::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 86% 18%, rgba(91,138,245,0.16) 0 46px, transparent 47px),
    radial-gradient(circle at 10% 90%, rgba(96,150,248,0.1) 0 28px, transparent 29px),
    linear-gradient(135deg, rgba(255,255,255,0.32), transparent 42%);
  pointer-events: none;
}

.techdeep-copy::after {
  content: "";
  position: absolute;
  right: -18px;
  top: -22px;
  width: 88px;
  height: 88px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(83,129,243,0.18), rgba(255,255,255,0));
  transform: rotate(18deg);
  pointer-events: none;
}

.techdeep-media-tools::before {
  background:
    linear-gradient(90deg, rgba(255,255,255,0.16), transparent 66%),
    radial-gradient(circle at 72% 42%, rgba(255,255,255,0.18) 0 42px, transparent 43px);
}

.techdeep-media-tools span:nth-child(1) {
  left: 26px;
  top: 26px;
  width: 120px;
  height: 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.86);
}

.techdeep-media-tools span:nth-child(2) {
  left: 26px;
  top: 62px;
  width: 168px;
  height: 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.34);
}

.techdeep-media-tools span:nth-child(3) {
  left: 26px;
  bottom: 30px;
  width: 68px;
  height: 68px;
  border-radius: 22px;
  background: rgba(255,255,255,0.88);
}

.techdeep-media-tools span:nth-child(4) {
  right: 30px;
  bottom: 24px;
  width: 118px;
  height: 72px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.24);
}

.techdeep-media-engine::before {
  background:
    radial-gradient(circle at 24% 38%, rgba(255,255,255,0.16) 0 40px, transparent 41px),
    linear-gradient(135deg, rgba(255,255,255,0.16), transparent 60%);
}

.techdeep-media-engine span:nth-child(1),
.techdeep-media-engine span:nth-child(2),
.techdeep-media-engine span:nth-child(3),
.techdeep-media-engine span:nth-child(4) {
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.28);
}

.techdeep-media-engine span:nth-child(1) { left: 26px; top: 28px; width: 84px; height: 84px; }
.techdeep-media-engine span:nth-child(2) { left: 78px; top: 52px; width: 96px; height: 96px; }
.techdeep-media-engine span:nth-child(3) { right: 36px; top: 26px; width: 72px; height: 72px; background: rgba(255,255,255,0.14); }
.techdeep-media-engine span:nth-child(4) { right: 64px; bottom: 24px; width: 112px; height: 22px; border-radius: 999px; background: rgba(255,255,255,0.2); }

.techdeep-copy {
  position: relative;
  z-index: 1;
}

.techdeep-copy p {
  max-width: none;
  margin-top: 0;
  color: #506484;
  line-height: 1.9;
}

.techdeep-copy p::first-line {
  color: #2f4574;
  font-weight: 700;
}

.impact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.impact-card {
  min-height: 320px;
  padding: 28px;
}

.impact-orb {
  height: 132px;
  margin-bottom: 22px;
  border-radius: 28px;
  background: linear-gradient(315deg, rgba(165,205,255,0.98) 0%, rgba(88,139,242,0.94) 52%, rgba(26,86,214,0.98) 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.18), 0 18px 36px rgba(49,113,204,0.22);
}

.impact-orb::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle at 88% 34%, rgba(255,255,255,0.12) 0 28px, transparent 29px),
    radial-gradient(circle at 92% 72%, rgba(255,255,255,0.08) 0 18px, transparent 19px),
    linear-gradient(315deg, transparent 54%, rgba(255,255,255,0.08) 55%, transparent 56%);
  pointer-events: none;
}

.impact-list {
  margin-top: 18px;
}

.impact-list p {
  margin: 0;
}

.impact-orb-ecosystem::before {
  background:
    radial-gradient(circle at 74% 48%, rgba(255,255,255,0.08) 0 32px, transparent 33px),
    linear-gradient(315deg, rgba(255,255,255,0.08), transparent 60%);
}

.impact-orb-ecosystem::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(90deg, transparent 0 64%, rgba(255,255,255,0.08) 64% 66%, transparent 66%),
    radial-gradient(circle at 78% 62%, rgba(255,255,255,0.16) 0 8px, transparent 9px),
    radial-gradient(circle at 86% 42%, rgba(255,255,255,0.2) 0 6px, transparent 7px),
    radial-gradient(circle at 92% 58%, rgba(255,255,255,0.14) 0 7px, transparent 8px);
  pointer-events: none;
}

.impact-orb-ecosystem span:nth-child(1),
.impact-orb-ecosystem span:nth-child(2),
.impact-orb-ecosystem span:nth-child(3) {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
}

.impact-orb-ecosystem span:nth-child(1) { right: 92px; top: 24px; }
.impact-orb-ecosystem span:nth-child(2) { right: 148px; top: 68px; }
.impact-orb-ecosystem span:nth-child(3) { right: 36px; top: 68px; }

.impact-orb-upgrade::before {
  background:
    radial-gradient(circle at 82% 38%, rgba(255,255,255,0.08) 0 38px, transparent 39px),
    linear-gradient(315deg, rgba(255,255,255,0.08), transparent 62%);
}

.impact-orb-upgrade::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(90deg, transparent 0 70%, rgba(255,255,255,0.08) 70% 72%, transparent 72%),
    radial-gradient(circle at 88% 28%, rgba(255,255,255,0.16) 0 10px, transparent 11px),
    radial-gradient(circle at 94% 68%, rgba(255,255,255,0.12) 0 8px, transparent 9px);
  pointer-events: none;
}

.impact-orb-upgrade span:nth-child(1) {
  right: 116px;
  bottom: 26px;
  width: 18px;
  height: 64px;
  border-radius: 999px;
  background: rgba(255,255,255,0.72);
}

.impact-orb-upgrade span:nth-child(2) {
  right: 76px;
  bottom: 26px;
  width: 18px;
  height: 92px;
  border-radius: 999px;
  background: rgba(255,255,255,0.52);
}

.impact-orb-upgrade span:nth-child(3) {
  right: 36px;
  bottom: 26px;
  width: 18px;
  height: 118px;
  border-radius: 999px;
  background: rgba(255,255,255,0.68);
}

.impact-list {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.impact-list p {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 14px 16px;
  min-height: 118px;
  border-radius: 20px;
  background: rgba(255,255,255,0.46);
  border: 1px solid rgba(117,178,247,0.14);
}

.impact-list strong {
  color: #19315a;
  font-size: 1rem;
}

.techflow-visual,
.techdeep-media,
.impact-orb {
  animation: techPulse 4.6s ease-in-out infinite;
}

.techflow-card:nth-child(2) .techflow-visual,
.techdeep-card:nth-child(2) .techdeep-media,
.impact-card:nth-child(2) .impact-orb {
  animation-delay: 0.8s;
}

.techflow-card:nth-child(3) .techflow-visual,
.techflow-card:nth-child(4) .techflow-visual {
  animation-delay: 1.2s;
}

@keyframes techPulse {
  0%, 100% {
    transform: translateY(0) scale(1);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.3), 0 18px 36px rgba(49,113,204,0.22);
  }
  50% {
    transform: translateY(-4px) scale(1.01);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.34), 0 24px 42px rgba(49,113,204,0.28);
  }
}

@media (max-width: 1180px) {
  .techflow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .section-techflow::before {
    inset: 94px -10px 12px;
    border-radius: 28px;
  }

  .techflow-grid,
  .techdeep-grid,
  .impact-grid {
    grid-template-columns: 1fr;
  }

  .techflow-card,
  .techdeep-card,
  .impact-card {
    min-height: 0;
    padding: 22px;
    border-radius: 28px;
  }

  .techflow-visual,
  .techdeep-media,
  .impact-orb {
    height: 118px;
  }

  .techflow-card h3,
  .techdeep-card h3,
  .impact-card h3 {
    left: 20px;
    min-height: 44px;
    padding: 8px 14px;
    font-size: 1.14rem;
  }

  .techflow-card h3 { top: 58px; }
  .techdeep-card h3 {
    left: 0;
    top: 0;
    margin: 0 0 12px;
  }
  .impact-card h3 { top: 58px; }

  .techflow-card p,
  .techdeep-card p,
  .impact-card p,
  .impact-list {
    margin-top: 16px;
  }

  .impact-list {
    grid-template-columns: 1fr;
  }
}

/* Final responsive overrides */
@media (max-width: 980px) {
  :root {
    --pad: 16px;
  }

  body::before {
    background-size: 72px 72px;
    opacity: 0.34;
  }

  .site-header {
    top: 10px;
    margin-top: 10px;
    padding: 12px 14px;
    border-radius: 26px;
    flex-wrap: wrap;
    align-items: center;
  }

  .brand {
    min-width: 0;
    flex: 1 1 auto;
  }

  .brand img {
    height: 34px;
  }

  .nav-toggle {
    display: inline-flex;
    flex: 0 0 auto;
    width: 46px;
    height: 46px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid rgba(64, 137, 255, 0.14);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: var(--shadow-soft);
    color: var(--text);
    padding: 0;
  }

  .nav-toggle span {
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .site-header.is-menu-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header.is-menu-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header.is-menu-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-nav {
    display: none;
    width: 100%;
    order: 3;
    padding-top: 8px;
    gap: 10px;
    white-space: normal;
    overflow: visible;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-header.is-menu-open .site-nav {
    display: grid;
  }

  .site-nav a {
    min-height: 44px;
    padding: 12px 14px;
    text-align: center;
    background: rgba(248, 251, 255, 0.82);
    border: 1px solid rgba(64, 137, 255, 0.1);
  }

  .hero.hero-premium {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-top: 28px;
  }

  .hero.hero-premium .hero-copy {
    padding: 8px 0 0;
  }

  .hero.hero-premium h1 {
    font-size: clamp(2rem, 8.5vw, 3.8rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
    word-break: break-word;
  }

  .hero.hero-premium h1 .hero-title-subline {
    font-size: 0.85em;
    line-height: 1.3;
    white-space: normal;
    max-width: 100%;
  }

  .hero.hero-premium .hero-lead {
    margin-top: 16px;
    font-size: 0.9rem;
    line-height: 1.7;
    padding: 0 8px;
  }

  .hero.hero-premium .hero-cta {
    width: 100%;
    justify-content: space-between;
  }

  .hero.hero-premium .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 10px;
    margin-top: 24px;
  }

  .hero.hero-premium .hero-stat {
    padding: 14px 10px;
    border-right: 0;
    border-radius: 16px;
    background: rgba(255,255,255,0.7);
    border: 1px solid rgba(85, 145, 235, 0.12);
    text-align: center;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .hero.hero-premium .hero-stat strong {
    font-size: clamp(1.4rem, 6vw, 1.8rem);
    line-height: 1.2;
  }

  .hero.hero-premium .hero-stat span {
    font-size: 11px;
    line-height: 1.4;
    margin-top: 4px;
    white-space: normal;
    word-break: break-all;
  }

  .hero.hero-premium .hero-visual {
    min-height: 520px;
  }

  .hero.hero-premium .hero-art-bg {
    inset: 0;
    border-radius: 30px;
  }

  .hero.hero-premium .hero-art-orbit {
    inset: 16px;
    border-radius: 24px;
  }

  .hero.hero-premium .hero-phone-frame {
    left: 50%;
    top: 108px;
    width: min(78vw, 290px);
    transform: translateX(-50%) rotate(-2deg);
  }

  .hero.hero-premium .hero-phone-screen img {
    height: 410px;
  }

  .hero.hero-premium .hero-card {
    left: 50%;
    right: auto;
    top: 66px;
    width: min(82vw, 300px);
    transform: translateX(-50%);
  }

  .hero.hero-premium .hero-chip-ai,
  .hero.hero-premium .hero-chip-data {
    width: min(42vw, 170px);
  }

  .hero.hero-premium .hero-chip-ai {
    left: 4px;
    top: 206px;
  }

  .hero.hero-premium .hero-chip-data {
    right: 4px;
    bottom: 38px;
  }

  .card-grid,
  .premium-grid,
  .techflow-grid,
  .techdeep-grid,
  .impact-grid,
  .culture-stage,
  .culture-values-grid,
  .qualification-showcase,
  .qualification-gallery {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 72px;
  }

  .section-heading h2,
  .section-heading-premium h2,
  .section-heading-techflow h2 {
    font-size: clamp(2rem, 8vw, 2.7rem);
    line-height: 1.08;
  }

  .section-heading p,
  .section-subtitle {
    max-width: 100%;
  }

  .premium-panel,
  .techflow-card,
  .techdeep-card,
  .impact-card,
  .culture-intro-card,
  .culture-value-card,
  .culture-quote-card,
  .qualification-summary,
  .contact-panel {
    padding: 22px 18px;
    border-radius: 26px;
  }

  .qualification-gallery {
    gap: 14px;
  }

  .qualification-frame {
    padding: 12px;
  }

  .scroll-frame {
    height: 420px;
    padding: 14px;
    border-radius: 28px;
  }

  .scroll-frame::before {
    inset: 10px;
    border-radius: 22px;
  }

  .scroll-frame-cases .scroll-group,
  .scroll-frame-customers .scroll-group {
    grid-template-columns: 1fr;
  }

  .scroll-block {
    padding: 18px 16px;
    border-radius: 22px;
  }

  .contact-panel h2 {
    font-size: clamp(2rem, 8vw, 2.6rem);
  }

  .contact-panel p {
    font-size: 0.98rem;
    line-height: 1.8;
    word-break: break-word;
  }
}

@media (max-width: 640px) {
  :root {
    --pad: 12px;
  }

  .site-header {
    border-radius: 22px;
  }

  .site-nav {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .hero.hero-premium .hero-kicker {
    padding: 8px 14px;
    font-size: 0.74rem;
    letter-spacing: 0.14em;
  }

  .hero.hero-premium h1 {
    font-size: clamp(2.25rem, 10vw, 3.4rem);
  }

  .hero.hero-premium .hero-title-subline {
    font-size: 0.58em;
    max-width: 11ch;
  }

  .hero.hero-premium .hero-visual {
    min-height: 470px;
  }

  .hero.hero-premium .hero-phone-frame {
    top: 114px;
    width: min(74vw, 250px);
  }

  .hero.hero-premium .hero-phone-screen img {
    height: 344px;
  }

  .hero.hero-premium .hero-card {
    top: 76px;
    width: min(86vw, 280px);
    padding: 16px 14px 16px 18px;
  }

  .hero.hero-premium .hero-card i {
    width: 62px;
    height: 62px;
    flex-basis: 62px;
    border-radius: 18px;
  }

  .hero.hero-premium .hero-card span {
    font-size: 0.8rem;
    line-height: 1.45;
  }

  .hero.hero-premium .hero-chip {
    padding: 10px;
    gap: 8px;
    border-radius: 18px;
  }

  .hero.hero-premium .hero-chip strong {
    font-size: 0.84rem;
  }

  .hero.hero-premium .hero-chip small {
    font-size: 0.72rem;
  }

  .hero.hero-premium .hero-chip-icon {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    font-size: 0.76rem;
  }

  .hero.hero-premium .hero-chip-ai,
  .hero.hero-premium .hero-chip-data {
    width: 132px;
  }

  .hero.hero-premium .hero-chip-ai {
    top: 192px;
  }

  .hero.hero-premium .hero-chip-data {
    bottom: 24px;
  }

  .hero.hero-premium .hero-stats {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 60px;
  }

  .section-heading {
    margin-bottom: 20px;
  }

  .qualification-metrics {
    flex-direction: column;
  }

  .scroll-frame {
    height: 380px;
  }
}
/* ========== 企业资质区块 ========== */
#qualifications {
  padding: 80px 0;
  background: linear-gradient(180deg, #fff 0%, #f0f8ff 100%);
}

#qualifications .section-heading h2,
#industry-coop .section-heading h2 {
  white-space: nowrap !important;
}

/* 企业资质样式已移至 index.html 内联，此处保留占位避免行号偏移 */


/* ========== 手机端Hero统计强制覆盖 ========== */
@media (max-width: 980px) {
  .hero.hero-premium .hero-stats .hero-stat strong {
    font-size: clamp(1.3rem, 5.5vw, 1.7rem) !important;
    line-height: 1.2 !important;
  }
  .hero.hero-premium .hero-stats .hero-stat span {
    font-size: 11px !important;
    line-height: 1.4 !important;
    white-space: normal !important;
    word-break: break-all !important;
  }
}

@media (max-width: 640px) {
  .hero.hero-premium .hero-stats .hero-stat strong {
    font-size: clamp(1.2rem, 5vw, 1.5rem) !important;
  }
  .hero.hero-premium .hero-stats .hero-stat span {
    font-size: 10px !important;
  }
}




/* ========== 手机端Hero统计最终覆盖 ========== */
@media (max-width: 640px) {
  .hero.hero-premium .hero-stats .hero-stat span,
  .hero-stats .hero-stat span,
  .hero-stat span {
    font-size: 10px !important;
    line-height: 1.3 !important;
    white-space: normal !important;
    word-break: break-all !important;
  }
}

/* ========== 640px Hero统计强制覆盖（必须在最后）========== */
@media (max-width: 640px) {
  .hero.hero-premium .hero-stat {
    padding: 12px 8px !important;
    min-height: 70px !important;
  }
  .hero.hero-premium .hero-stat strong {
    font-size: clamp(1.3rem, 5.5vw, 1.6rem) !important;
    line-height: 1.2 !important;
  }
  .hero.hero-premium .hero-stat span {
    font-size: 10px !important;
    line-height: 1.3 !important;
    white-space: normal !important;
    word-break: break-all !important;
    margin-top: 2px !important;
  }
}

/* ========== 移动端全面优化 v=19 ========== */

/* --- 导航栏 860px --- */
@media (max-width: 860px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
    padding: 10px 14px;
    margin-top: 10px;
    border-radius: 20px;
  }
  .brand { min-width: auto; }
  .brand img { height: 26px; }
  .nav-toggle {
    display: inline-flex;
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid rgba(64,137,255,0.14);
    border-radius: 14px;
    background: rgba(255,255,255,0.88);
    box-shadow: var(--shadow-soft);
    color: var(--text);
    padding: 0;
    cursor: pointer;
  }
  .nav-toggle span {
    width: 18px; height: 2px;
    border-radius: 999px;
    background: currentColor;
    transition: transform 180ms ease, opacity 180ms ease;
  }
  .site-header.is-menu-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .site-header.is-menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .site-header.is-menu-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  .site-nav {
    display: none;
    width: 100%;
    order: 3;
    padding-top: 10px;
    gap: 8px;
    white-space: normal;
    overflow: visible;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .site-header.is-menu-open .site-nav {
    display: grid;
  }
  .site-nav a {
    min-height: 40px;
    padding: 10px 8px;
    text-align: center;
    font-size: 13px;
    background: rgba(248,251,255,0.82);
    border: 1px solid rgba(64,137,255,0.1);
    border-radius: 12px;
    transition: background 150ms;
  }
  .site-nav a:hover,
  .site-nav a:active {
    background: rgba(47,125,246,0.08);
  }
  .site-nav .nav-btn,
  .site-nav .nav-register {
    margin-left: 0 !important;
    grid-column: span 1;
    min-height: 40px;
    padding: 10px 8px;
    font-size: 13px;
  }
  .site-nav .nav-login { grid-column: 2; }
  .site-nav .nav-register { grid-column: 3; }
}

/* --- 768px 通用 --- */
@media (max-width: 768px) {
  .site-shell { width: min(100%, calc(100% - 24px)); }
  .section { padding-top: 48px; padding-bottom: 40px; }
  .section-heading { margin-bottom: 24px; }
  .section-heading h2,
  .section-heading-premium h2 {
    font-size: clamp(1.6rem, 5.5vw, 2.4rem);
    line-height: 1.2;
    max-width: none !important;
    white-space: normal !important;
  }
  .section-heading .section-tag {
    font-size: 11px;
    padding: 4px 12px;
    min-width: auto;
  }
  .section-subtitle {
    font-size: 0.85rem;
    max-width: 100%;
  }

  /* 关于我们 */
  .about-cards { grid-template-columns: 1fr !important; }
  .about-card { padding: 20px 16px; border-radius: 20px; }
  .about-card-header h3 { font-size: 1rem; }
  .about-intro p { font-size: 0.88rem; line-height: 1.8; padding: 0 8px; }

  /* 产品中心 */
  .product-grid { grid-template-columns: 1fr !important; }
  .product-card { padding: 20px 16px; border-radius: 20px; }
  .product-card-icon { width: 40px; height: 40px; }

  /* 热门版本 */
  .version-tabs {
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 12px;
    justify-content: center;
  }
  .version-tab {
    padding: 8px 14px;
    font-size: 13px;
    border-radius: 12px;
  }
  .version-content { flex-direction: column; padding: 16px; }
  .version-copy, .version-visual { max-width: 100%; }

  /* 热门功能 */
  .feature-tabs {
    flex-wrap: wrap;
    gap: 6px;
    padding: 0 12px;
    justify-content: center;
  }
  .feature-tab {
    padding: 8px 14px;
    font-size: 13px;
    border-radius: 12px;
  }

  /* 企业资质 */
  .qual-scroll-content { gap: 16px !important; }
  .qual-item { width: 120px !important; }
  .qual-item.qual-wide { width: 240px !important; }

  /* 行业合作 */
  .coop-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 10px;
    padding: 12px;
  }

  /* 数据安全 */
  #security > div {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }
  #security .glass-card { padding: 24px 18px !important; border-radius: 16px; }

  /* 优秀案例 */
  .case-grid { grid-template-columns: 1fr !important; }

  /* 用户反馈 */
  .feedback-wrapper { padding: 0 12px; }
  .feedback-bubble { padding: 10px 14px; border-radius: 14px; }
  .feedback-avatar img { width: 32px; height: 32px; }
  .feedback-text { font-size: 12px; }

  /* 联系方式 */
  .contact-section .site-shell { padding: 0 16px; }
}

/* --- 640px 更小屏 --- */
@media (max-width: 640px) {
  .site-shell { width: calc(100% - 20px); }
  .section { padding-top: 40px; padding-bottom: 32px; }
  .section-heading h2,
  .section-heading-premium h2 {
    font-size: clamp(1.4rem, 5vw, 2rem);
  }

  /* 导航 3列→2列 */
  .site-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .site-nav .nav-login,
  .site-nav .nav-register {
    grid-column: span 1;
  }

  /* Hero */
  .hero.hero-premium {
    min-height: auto !important;
    padding-top: 20px;
    padding-bottom: 30px;
  }
  .hero.hero-premium .hero-kicker {
    font-size: 0.7rem;
    padding: 6px 12px;
  }
  .hero.hero-premium h1 {
    font-size: clamp(1.6rem, 7.5vw, 2.6rem);
  }
  .hero.hero-premium .hero-title-subline {
    font-size: 0.75em !important;
    max-width: none !important;
  }
  .hero.hero-premium .hero-lead {
    font-size: 0.82rem;
    padding: 0 4px;
  }
  .hero.hero-premium .hero-cta {
    padding: 0 20px;
    min-height: 46px;
    font-size: 0.85rem;
    width: auto;
  }
  .hero.hero-premium .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 20px;
  }
  .hero.hero-premium .hero-stat {
    padding: 10px 6px !important;
    min-height: 60px !important;
    border-radius: 14px;
  }
  .hero.hero-premium .hero-stat strong {
    font-size: clamp(1.1rem, 4.5vw, 1.4rem) !important;
    line-height: 1.2 !important;
  }
  .hero.hero-premium .hero-stat span {
    font-size: 10px !important;
    line-height: 1.3 !important;
    white-space: normal !important;
    word-break: break-all !important;
    margin-top: 2px !important;
  }

  /* 行业合作 2列 */
  .coop-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* 应用场景 */
  .scenario-wrapper { flex-direction: column; gap: 16px; }
  .scenario-card {
    min-height: auto;
    padding: 20px 16px;
    border-radius: 16px;
  }
  .scenario-card h3 { font-size: 24px; }
  .scenario-card .scenario-en { font-size: 12px; }
  .scenario-slogan { font-size: 16px; }
  .scenario-feature-list li { font-size: 13px; padding: 6px 0 6px 16px; }
  .scenario-card img { height: 120px; }
  .scenario-arrow { display: none !important; }

  /* 产品卡片 */
  .product-card { padding: 16px 14px; }
  .product-card h3 { font-size: 0.95rem; }
  .product-card p { font-size: 0.82rem; line-height: 1.7; }

  /* 企业资质 */
  .qual-scroll-content { gap: 12px !important; }
  .qual-item { width: 100px !important; }
  .qual-item.qual-wide { width: 200px !important; }

  /* 数据安全 */
  #security .glass-card { padding: 20px 14px !important; }
  #security .glass-card h3 { font-size: 0.92rem !important; }
  #security .glass-card p { font-size: 0.8rem !important; }
  #security .glass-card img { width: 44px !important; height: 44px !important; }

  /* 案例 tab */
  .feature-tab {
    padding: 7px 12px;
    font-size: 12px;
  }

  /* 用户反馈 */
  .feedback-bubble {
    padding: 8px 12px;
    border-radius: 12px;
  }
  .feedback-text { font-size: 11px; line-height: 1.5; }
  .feedback-avatar img { width: 28px; height: 28px; }

  /* 联系 */
  .contact-panel { padding: 24px 16px !important; border-radius: 20px !important; }
  .contact-panel h2 { font-size: clamp(1.4rem, 5vw, 2rem); }
  .contact-panel p { font-size: 0.85rem; }
}

/* --- 480px 极小屏 --- */
@media (max-width: 480px) {
  .section { padding-top: 32px; padding-bottom: 24px; }
  .section-heading h2,
  .section-heading-premium h2 {
    font-size: clamp(1.2rem, 4.5vw, 1.6rem);
  }
  .scenario-card h3 { font-size: 20px; }
  .scenario-feature-list li { font-size: 12px; }
  .coop-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px;
    padding: 8px;
  }
  .version-tab { padding: 6px 10px; font-size: 12px; }
  .feature-tab { padding: 6px 10px; font-size: 11px; }
  .hero.hero-premium .hero-stats {
    grid-template-columns: 1fr;
  }
}

/* ========== Hero文字截断修复 v=20 ========== */
.hero.hero-premium .hero-copy {
  overflow: visible !important;
  max-width: 100% !important;
}
.hero.hero-premium h1 {
  overflow: visible !important;
  max-width: 100% !important;
}
.hero.hero-premium h1 .hero-title-subline {
  white-space: normal !important;
  word-break: break-word !important;
  overflow-wrap: break-word !important;
  max-width: none !important;
  display: block !important;
}
.hero.hero-premium .hero-lead {
  max-width: 100% !important;
  word-break: break-word !important;
  overflow-wrap: break-word !important;
}

@media (max-width: 768px) {
  .hero.hero-premium h1 .hero-title-subline {
    white-space: normal !important;
    max-width: none !important;
    font-size: 0.9em !important;
    line-height: 1.2 !important;
  }
  .hero.hero-premium .hero-lead {
    max-width: 100% !important;
    padding: 0 4px !important;
  }
}

@media (max-width: 640px) {
  .hero.hero-premium h1 .hero-title-subline {
    white-space: normal !important;
    max-width: none !important;
    font-size: 0.85em !important;
  }
  .hero.hero-premium h1 em {
    display: inline !important;
  }
}

/* ========== iPhone 14 Pro Max (430px) 移动端优化 v=22 ========== */
/* 基准宽度: 430px (iPhone 14 Pro Max) */

@media (max-width: 480px) {
  /* === Hero 区域 === */
  .hero.hero-premium {
    padding: 40px 16px !important;
  }
  .hero.hero-premium .hero-copy {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
  }
  .hero.hero-premium h1 {
    font-size: clamp(1.75rem, 9vw, 2.6rem) !important;
    line-height: 1.15 !important;
    letter-spacing: -0.02em !important;
    max-width: 100% !important;
  }
  .hero.hero-premium h1 .hero-title-subline {
    white-space: normal !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    max-width: none !important;
    display: block !important;
    font-size: 0.88em !important;
    line-height: 1.25 !important;
  }
  .hero.hero-premium h1 em {
    display: inline !important;
    font-style: normal !important;
  }
  .hero.hero-premium .hero-lead {
    font-size: clamp(0.78rem, 3.8vw, 0.92rem) !important;
    line-height: 1.65 !important;
    max-width: 100% !important;
    margin-top: 16px !important;
    padding: 0 4px !important;
    word-break: break-word !important;
  }

  /* Hero stats - 2列适配430px */
  .hero.hero-premium .hero-stats {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px 12px !important;
    margin-top: 24px !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  .hero.hero-premium .hero-stat {
    padding: 14px 10px !important;
    text-align: center !important;
  }
  .hero.hero-premium .hero-stat strong {
    font-size: clamp(1.35rem, 7vw, 1.85rem) !important;
  }
  .hero.hero-premium .hero-stat span {
    white-space: normal !important;
    word-break: break-all !important;
    font-size: clamp(0.68rem, 3.2vw, 0.82rem) !important;
    line-height: 1.4 !important;
  }

  /* Hero CTA */
  .hero.hero-premium .hero-cta {
    padding: 14px 28px !important;
    font-size: 0.95rem !important;
  }

  /* === 导航栏 === */
  .site-shell {
    width: calc(100% - 24px) !important;
    padding: 0 12px !important;
  }

  /* === 通用section间距 === */
  .section {
    padding: 48px 0 !important;
  }
  .section-heading h2 {
    font-size: clamp(1.5rem, 6vw, 2rem) !important;
  }
  .section-subtitle {
    font-size: clamp(0.78rem, 3.5vw, 0.92rem) !important;
  }
}

/* 481px-640px 区间 (大屏手机/小平板) */
@media (min-width: 481px) and (max-width: 640px) {
  .hero.hero-premium h1 {
    font-size: clamp(2rem, 7vw, 3.2rem) !important;
  }
  .hero.hero-premium h1 .hero-title-subline {
    white-space: normal !important;
    word-break: break-word !important;
    max-width: none !important;
  }
  .hero.hero-premium .hero-lead {
    max-width: 100% !important;
    word-break: break-word !important;
  }
}

}

/* ========== 手机端导航栏：登录/注册突出 v=24 (仅≤860px生效) ========== */

@media (max-width: 860px) {
  /* site-nav 改为 flex 布局：左侧汉堡展开的链接 + 右侧登录/注册 */
  .site-nav {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 0 !important;
    flex-wrap: nowrap !important;
  }

  /* 所有普通导航链接默认隐藏（登录/注册除外） */
  .site-nav > a:not(.nav-btn) {
    display: none !important;
  }

  /* 菜单打开时显示所有非按钮链接为下拉面板 */
  .site-nav.is-menu-open > a:not(.nav-btn) {
    display: block !important;
  }
  .site-nav.is-menu-open {
    flex-direction: column !important;
    align-items: stretch !important;
    position: absolute !important;
    top: calc(100% + 4px) !important;
    left: -12px !important;
    right: -12px !important;
    background: #fff !important;
    border-radius: 16px !important;
    box-shadow: 0 8px 32px rgba(0,0,0,0.14) !important;
    padding: 10px 0 !important;
    z-index: 1000 !important;
  }
  .site-nav.is-menu-open > a:not(.nav-btn) {
    padding: 11px 20px !important;
    font-size: 0.92rem !important;
    color: #333 !important;
    border-bottom: 1px solid #f2f2f2 !important;
    text-align: left !important;
  }
  .site-nav.is-menu-open > a:not(.nav-btn):last-of-type {
    border-bottom: none !important;
  }
  .site-nav.is-menu-open > a:not(.nav-btn):hover {
    background: #f5f7ff !important;
    color: #2877f5 !important;
  }

  /* 登录/注册始终可见，放在右侧 */
  .site-nav > .nav-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 7px 16px !important;
    border-radius: 999px !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    transition: all 0.2s ease !important;
    border: 1.5px solid transparent !important;
    order: 1 !important; /* 保持靠右 */
  }

  .site-nav > .nav-login {
    background: #2877f5 !important;
    color: #fff !important;
    border-color: #2877f5 !important;
  }
  .site-nav > .nav-login:hover {
    background: #1a5ed4 !important;
    transform: scale(1.03) !important;
  }

  .site-nav > .nav-register {
    background: transparent !important;
    color: #2877f5 !important;
    border-color: #2877f5 !important;
  }
  .site-nav > .nav-register:hover {
    background: #e8f0fe !important;
    transform: scale(1.03) !important;
  }

  /* 菜单打开时登录/注册也显示在面板底部 */
  .site-nav.is-menu-open > .nav-btn {
    margin: 6px 16px 10px !important;
    width: calc(50% - 12px) !important;
    text-align: center !important;
  }
}

/* 超小屏 */
@media (max-width: 400px) {
  .site-nav > .nav-btn {
    padding: 6px 12px !important;
    font-size: 0.78rem !important;
  }
}

/* ========== 手机端导航栏紧急修复 v=26 ========== */
/* 仅针对手机端：登录/注册始终显示在右侧，其他链接折叠 */

@media (max-width: 860px) {
  /* 强制显示登录/注册按钮 */
  .site-nav a.nav-btn {
    display: inline-flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
    z-index: 100 !important;
  }
  
  /* 按钮样式 */
  .site-nav a.nav-btn.nav-login {
    background: #2877f5 !important;
    color: #fff !important;
    padding: 6px 14px !important;
    border-radius: 20px !important;
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    margin-left: 6px !important;
  }
  
  .site-nav a.nav-btn.nav-register {
    background: transparent !important;
    color: #2877f5 !important;
    border: 1.5px solid #2877f5 !important;
    padding: 6px 14px !important;
    border-radius: 20px !important;
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    margin-left: 6px !important;
  }
  
  /* 隐藏普通链接（菜单关闭时） */
  .site-nav:not(.is-menu-open) > a:not(.nav-btn) {
    display: none !important;
  }
  
  /* 菜单打开时显示所有链接 */
  .site-nav.is-menu-open > a:not(.nav-btn) {
    display: block !important;
    padding: 10px 16px !important;
    border-bottom: 1px solid #f0f0f0 !important;
  }
  
  .site-nav.is-menu-open {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    background: #fff !important;
    border-radius: 12px !important;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12) !important;
    padding: 8px 0 !important;
    z-index: 999 !important;
    flex-direction: column !important;
  }
}