/**
 * 用途说明：独立门户站前台样式，负责 PC 与手机端自适应、品牌官网视觉升级、内容页可读性与转化区统一表现。
 */
:root {
  --primary: #0d5eff;
  --primary-dark: #083a9b;
  --primary-deep: #081d4b;
  --accent: #1cb8ff;
  --accent-soft: #eef6ff;
  --bg: #f3f7fd;
  --bg-deep: #07132d;
  --card: rgba(255, 255, 255, 0.92);
  --card-strong: #ffffff;
  --text: #10213b;
  --muted: #62738f;
  --line: rgba(13, 94, 255, 0.12);
  --line-strong: rgba(13, 94, 255, 0.22);
  --shadow: 0 24px 64px rgba(14, 48, 118, 0.14);
  --shadow-soft: 0 16px 36px rgba(8, 31, 78, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --site-bg-start: #f8fbff;
  --site-bg-end: #ffffff;
  --hero-start: #07132d;
  --hero-end: #0d5eff;
  --section-dark-start: #081735;
  --section-dark-end: #0b2870;
  --footer-start: #081735;
  --footer-end: #050d22;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font-family: "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 0% 0%, rgba(28, 184, 255, 0.12), transparent 24%),
    radial-gradient(circle at 100% 18%, rgba(13, 94, 255, 0.10), transparent 28%),
    linear-gradient(180deg, var(--site-bg-start) 0%, var(--bg) 30%, var(--site-bg-end) 100%);
}
body.has-video-modal { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }

.container {
  width: min(1240px, calc(100vw - 40px));
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--primary);
  background: rgba(13, 94, 255, 0.08);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow-light {
  color: #d7e8ff;
  background: rgba(255, 255, 255, 0.08);
}

/* Hide decorative section labels on the public site to keep the UI cleaner. */
.eyebrow,
.eyebrow-light,
.hero-stage-label,
.capability-card-tag,
.hero-badge-row,
.page-hero-points {
  display: none !important;
}

.site-shell {
  position: relative;
  overflow-x: hidden;
  overflow-y: visible;
}

.site-topbar {
  color: rgba(255, 255, 255, 0.88);
  background: linear-gradient(90deg, var(--hero-start), var(--hero-end));
}

.site-topbar-inner,
.site-topbar-left,
.site-topbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-topbar-inner {
  justify-content: space-between;
  min-height: 42px;
  font-size: 13px;
}

.site-topbar-left span,
.site-topbar-right span {
  position: relative;
}

.site-topbar-left span:not(:last-child)::after,
.site-topbar-right span:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 50%;
  width: 1px;
  height: 12px;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.18);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.84);
  border-bottom: 1px solid rgba(13, 94, 255, 0.08);
  box-shadow: 0 8px 24px rgba(8, 31, 78, 0.05);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  object-fit: contain;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary-deep), var(--primary), var(--accent));
  color: #fff;
  font-weight: 800;
  box-shadow: 0 14px 32px rgba(13, 94, 255, 0.24);
}

.brand strong {
  display: block;
  font-size: 19px;
  letter-spacing: 0.02em;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-link {
  position: relative;
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
  transition: color .2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .2s ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--primary-dark);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}

.nav-cta,
.btn-primary,
.btn-secondary,
.lead-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}

.nav-cta,
.btn-primary,
.lead-form button {
  color: #fff;
  border: 0;
  background: linear-gradient(135deg, var(--primary-deep), var(--primary), var(--accent));
  box-shadow: 0 18px 36px rgba(13, 94, 255, 0.24);
}

.btn-secondary {
  color: var(--primary-dark);
  border: 1px solid rgba(13, 94, 255, 0.14);
  background: rgba(255, 255, 255, 0.75);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
}

.btn-secondary-light {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
}

.btn-primary:hover,
.btn-secondary:hover,
.nav-cta:hover,
.lead-form button:hover {
  transform: translateY(-2px);
}

.mobile-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: rgba(13, 94, 255, 0.06);
  border-radius: 12px;
  font-size: 24px;
  color: var(--primary-dark);
}

.hero,
.page-hero,
.detail-hero,
.article-hero {
  position: relative;
  padding: 76px 0 44px;
}

.hero-premium {
  padding-top: 64px;
  overflow: hidden;
}

.hero-glow,
.page-hero-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(24px);
  pointer-events: none;
}

.hero-glow-a,
.page-hero-glow-a {
  width: 340px;
  height: 340px;
  left: -120px;
  top: 30px;
  background: rgba(28, 184, 255, 0.12);
}

.hero-glow-b,
.page-hero-glow-b {
  width: 420px;
  height: 420px;
  right: -140px;
  top: 10px;
  background: rgba(13, 94, 255, 0.10);
}

.hero-grid,
.detail-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 36px;
  align-items: center;
}

.hero-grid-premium {
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
  align-items: start;
  gap: 42px;
  padding-top: 8px;
}

.hero h1,
.page-hero h1,
.detail-hero h1,
.article-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.page-hero p,
.detail-hero p,
.article-hero p {
  margin: 0;
  max-width: 960px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.hero-copy {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: start;
}

.hero-badge-row,
.page-hero-points,
.hero-tags,
.hero-actions,
.section-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-badge-row,
.page-hero-points {
  margin-top: 18px;
}

.hero-badge,
.page-hero-points span,
.hero-tags span,
.card-chip,
.filter-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(13, 94, 255, 0.08);
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 700;
}

.hero-actions,
.section-actions {
  margin-top: 28px;
}

.hero-proof-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.hero-proof-card {
  padding: 18px 18px 20px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(243, 248, 255, 0.88));
  border: 1px solid rgba(13, 94, 255, 0.10);
  box-shadow: var(--shadow-soft);
}

.hero-proof-card span {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-proof-card strong {
  display: block;
  font-size: 18px;
  line-height: 1.5;
}

.hero-proof-card p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.8;
}

.hero-stage {
  display: grid;
  gap: 16px;
  align-content: start;
}

.hero-panel,
.story-card,
.product-card,
.info-card,
.entry-card,
.detail-sidebar section,
.lead-form,
.article-card,
.conversion-panel,
.hero-stage-card,
.product-showcase-card,
.brand-close-panel,
.stats-board,
.capability-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: 24px;
  min-height: 420px;
  display: grid;
  place-items: center;
}

.hero-placeholder {
  color: rgba(255, 255, 255, 0.86);
  font-size: 20px;
  font-weight: 700;
}

.hero-visual-panel {
  padding: 0;
  min-height: 500px;
  background:
    linear-gradient(135deg, var(--hero-start), var(--hero-end)),
    var(--hero-start);
  border-color: rgba(255, 255, 255, 0.06);
}

.hero-carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 500px;
}

.hero-carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity .45s ease;
}

.hero-carousel-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hero-visual-panel img {
  width: 100%;
  height: 100%;
  min-height: 500px;
  object-fit: cover;
  border-radius: 22px;
  opacity: 0.88;
}

.hero-visual-overlay {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 26px;
  padding: 22px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(7, 19, 45, 0.2), rgba(7, 19, 45, 0.86));
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-visual-overlay span {
  display: inline-block;
  margin-bottom: 8px;
  color: rgba(218, 236, 255, 0.9);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-visual-overlay strong {
  display: block;
  font-size: 24px;
  line-height: 1.45;
}

.hero-visual-overlay p {
  margin: 10px 0 0;
  max-width: 540px;
  color: rgba(233, 242, 255, 0.88);
  font-size: 14px;
  line-height: 1.8;
}

.hero-visual-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.hero-carousel-nav {
  position: absolute;
  inset: 50% 18px auto;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transform: translateY(-50%);
  pointer-events: none;
}

.hero-carousel-btn {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(7, 19, 45, 0.42);
  color: #fff;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  pointer-events: auto;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.hero-carousel-btn:hover {
  transform: translateY(-2px);
  background: rgba(7, 19, 45, 0.62);
  border-color: rgba(255, 255, 255, 0.28);
}

.hero-carousel-dots {
  position: absolute;
  top: 22px;
  right: 22px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-carousel-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.42);
  cursor: pointer;
  transition: width .2s ease, background .2s ease, transform .2s ease;
}

.hero-carousel-dot.is-active {
  width: 28px;
  background: #fff;
}

.hero-video-panel {
  padding: 0;
  border-color: rgba(255, 255, 255, 0.08);
}

.hero-video-trigger {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  min-height: 500px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
  overflow: hidden;
}

.hero-video-poster {
  width: 100%;
  height: 100%;
  min-height: 500px;
  object-fit: cover;
}

.hero-video-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 19, 45, 0.10), rgba(7, 19, 45, 0.84)),
    radial-gradient(circle at 50% 36%, rgba(28, 184, 255, 0.18), transparent 24%);
}

.hero-video-badge {
  position: absolute;
  top: 24px;
  left: 24px;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #eef6ff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hero-video-play {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 96px;
  height: 96px;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 20px 40px rgba(8, 31, 78, 0.26);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.hero-video-play-icon {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
  border-left: 24px solid #ffffff;
  transform: translate(-36%, -50%);
}

.hero-video-copy {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
  display: grid;
  gap: 10px;
}

.hero-video-copy strong {
  display: block;
  color: #ffffff;
  font-size: 28px;
  line-height: 1.35;
}

.hero-video-copy span {
  display: block;
  max-width: 560px;
  color: rgba(232, 241, 255, 0.88);
  font-size: 15px;
  line-height: 1.8;
}

.hero-video-trigger:hover .hero-video-play,
.hero-video-trigger:focus-visible .hero-video-play {
  transform: translate(-50%, -50%) scale(1.04);
  background: rgba(255, 255, 255, 0.20);
  border-color: rgba(255, 255, 255, 0.30);
}

.video-modal[hidden] {
  display: none !important;
}

.video-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
}

.video-modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(5, 12, 28, 0.82);
  cursor: pointer;
}

.video-modal-dialog {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100vw - 40px));
  border-radius: 28px;
  overflow: hidden;
  background: #040b18;
  box-shadow: 0 32px 80px rgba(4, 12, 28, 0.56);
}

.video-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}

.video-modal-frame {
  aspect-ratio: 16 / 9;
  background: #000000;
}

.video-modal-frame video,
.video-modal-frame iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
}

.hero-stage-card {
  padding: 24px 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(243, 247, 255, 0.92));
}

.hero-copy-stage-card {
  margin-top: 18px;
  margin-bottom: 0;
}

.hero-stage-label {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(13, 94, 255, 0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-stage-card h3 {
  margin: 0 0 10px;
  font-size: 26px;
  line-height: 1.35;
}

.hero-stage-card p {
  font-size: 15px;
}

.hero-stage-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.hero-premium-stats {
  position: relative;
  z-index: 1;
  margin-top: 0;
  gap: 10px;
}

.hero-stage-stats article {
  padding: 18px 16px;
  border-radius: 20px;
  background: linear-gradient(180deg, #ffffff, #f2f7ff);
  border: 1px solid rgba(13, 94, 255, 0.10);
  box-shadow: var(--shadow-soft);
}

.hero-premium-stats article {
  min-height: 104px;
  padding: 16px 14px;
}

.hero-stage-stats strong {
  display: block;
  font-size: 26px;
}

.hero-premium-stats strong {
  font-size: clamp(20px, 1.65vw, 28px);
  line-height: 1;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.hero-stage-stats span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.hero-premium-stats span {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.4;
}

.hero-client-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.hero-client-card {
  display: flex;
  flex-direction: column;
  padding: 20px 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(13, 94, 255, 0.10);
  box-shadow: var(--shadow-soft);
}

.hero-client-index,
.proof-card-index,
.entry-card-index {
  display: inline-block;
  margin-bottom: 14px;
  color: rgba(13, 94, 255, 0.46);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.hero-client-card strong,
.proof-card strong,
.entry-card strong,
.capability-card strong {
  display: block;
  font-size: 20px;
}

.hero-client-card p,
.proof-card p,
.entry-card p,
.capability-card p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.8;
}

.hero-client-card p,
.capability-card p,
.product-card p,
.story-card p,
.article-card p {
  flex: 1;
}

.page-hero-compact {
  padding-top: 44px;
}

.page-hero-shell {
  position: relative;
  z-index: 1;
  max-width: none;
}

.page-hero-copy {
  width: min(100%, max(var(--page-hero-copy-width, 820px), 1040px));
  max-width: none;
}

.page-hero-rich {
  overflow: hidden;
  background: linear-gradient(135deg, var(--page-hero-start, var(--hero-start)), var(--page-hero-end, var(--hero-end)));
}

.page-hero-media,
.hero-premium-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.page-hero-media picture,
.hero-premium-media picture {
  display: block;
  width: 100%;
  height: 100%;
}

.page-hero-media img,
.hero-premium-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero-overlay,
.hero-premium-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--page-hero-overlay-start, rgba(7, 19, 45, 0.76)), var(--page-hero-overlay-end, rgba(13, 94, 255, 0.32)));
}

.page-hero-shell-rich {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  min-height: 360px;
}

.page-hero-tone-light h1,
.page-hero-tone-light p {
  color: #fff;
}

.page-hero-tone-light p {
  color: rgba(232, 241, 255, 0.88);
}

.page-hero-align-center .page-hero-shell-rich {
  justify-content: center;
  text-align: center;
}

.page-hero-align-center .page-hero-copy {
  margin: 0 auto;
}

.hero-premium-rich {
  background: linear-gradient(135deg, var(--page-hero-start, var(--hero-start)), var(--page-hero-end, var(--hero-end)));
}

.hero-premium-rich .container,
.hero-premium-rich .hero-copy,
.hero-premium-rich .hero-stage,
.hero-premium-rich .hero-client-strip {
  position: relative;
  z-index: 1;
}

.hero-premium-tone-light h1 {
  color: #fff;
}

.hero-premium .hero-copy h1 {
  max-width: none;
  font-size: clamp(34px, 4vw, 54px);
}

.page-hero .page-hero-copy h1 {
  max-width: none;
  font-size: clamp(30px, 3.4vw, 50px);
}

.hero-premium-tone-light .hero-copy > p {
  color: rgba(232, 241, 255, 0.88);
}

.hero-premium-tone-light .hero-client-card {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.14);
}

.hero-premium-tone-light .hero-client-card strong {
  color: #fff;
}

.hero-premium-tone-light .hero-client-card p {
  color: rgba(232, 241, 255, 0.82);
}

.section-block {
  position: relative;
  padding: 54px 0;
}

.section-muted {
  background: linear-gradient(180deg, rgba(13, 94, 255, 0.04), rgba(28, 184, 255, 0.02));
}

.section-dark {
  color: #fff;
  background:
    radial-gradient(circle at 14% 20%, rgba(28, 184, 255, 0.12), transparent 26%),
    linear-gradient(135deg, var(--section-dark-start), var(--section-dark-end));
}

.section-proof {
  padding-top: 34px;
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 28px;
  text-align: center;
}

.section-heading-left {
  margin-left: 0;
  margin-right: 0;
  text-align: left;
}

.section-heading-light h2,
.section-heading-light p {
  color: #fff;
}

.section-heading h2 {
  margin: 0 0 12px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.proof-shell,
.showcase-shell,
.capability-shell {
  display: grid;
  gap: 26px;
}

.page-intro-content,
.feature-page-intro {
  padding: 30px 32px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(242, 247, 255, 0.92));
  border: 1px solid rgba(13, 94, 255, 0.08);
  box-shadow: var(--shadow-soft);
}

.feature-group + .feature-group {
  margin-top: 36px;
}

.proof-grid,
.card-grid {
  display: grid;
  gap: 20px;
}

.card-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.proof-card,
.info-card,
.entry-card {
  padding: 24px;
}

.info-card strong,
.entry-card strong {
  display: block;
  font-size: 20px;
}

.info-card p,
.entry-card p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.8;
}

.feature-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  overflow: hidden;
}

.feature-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(13, 94, 255, 0.08), rgba(13, 94, 255, 0.02));
}

.feature-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
}

.feature-card-body strong {
  display: block;
  font-size: 22px;
  line-height: 1.35;
}

.feature-card-body p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.feature-card-detail {
  padding-top: 14px;
  border-top: 1px solid rgba(13, 94, 255, 0.10);
}

.feature-card-detail > :first-child {
  margin-top: 0;
}

.feature-card-detail > :last-child {
  margin-bottom: 0;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.capability-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  min-height: 220px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.04));
  border-color: rgba(255, 255, 255, 0.10);
  box-shadow: none;
}

.capability-card-tag {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 14px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #dbeaff;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.08em;
  white-space: nowrap;
  text-transform: uppercase;
}

.capability-card strong {
  margin-top: 0;
  line-height: 1.3;
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 22px;
  align-items: stretch;
}

.product-showcase-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 28px;
  overflow: hidden;
}

.product-showcase-head {
  display: grid;
  grid-template-columns: minmax(260px, 320px) 1fr;
  gap: 24px;
  align-items: start;
}

.product-showcase-media-panel {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 22px;
  box-shadow: var(--shadow-soft);
}

.product-showcase-image {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 24px;
  background: linear-gradient(180deg, rgba(13, 94, 255, 0.06), rgba(13, 94, 255, 0.02));
}

.product-showcase-image img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
  border-radius: 22px;
}

.product-showcase-main {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.product-showcase-card .card-chip {
  margin-bottom: 14px;
}

.product-showcase-card h3 {
  margin: 0 0 12px;
  font-size: 32px;
  line-height: 1.2;
}

.product-showcase-summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.product-showcase-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.product-showcase-facts div {
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(13, 94, 255, 0.06), rgba(13, 94, 255, 0.02));
  border: 1px solid rgba(13, 94, 255, 0.08);
}

.product-showcase-facts span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.product-showcase-facts strong {
  display: block;
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
}

.product-showcase-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
}

.product-showcase-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.product-showcase-feature-grid article {
  padding: 18px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(241, 246, 255, 0.94));
  border: 1px solid rgba(13, 94, 255, 0.10);
  box-shadow: var(--shadow-soft);
}

.product-showcase-feature-grid span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-showcase-feature-grid strong {
  display: block;
  color: var(--text);
  font-size: 18px;
  line-height: 1.5;
}

.product-showcase-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-top: auto;
  padding-top: 4px;
}

.product-showcase-scene-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.product-showcase-scene-list span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(13, 94, 255, 0.08);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
}

.product-showcase-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.product-showcase-actions .text-link {
  margin-top: 0;
  padding-top: 0;
}

.compact-product-grid {
  align-content: start;
}

.product-card,
.story-card,
.article-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
}

.product-card img,
.story-card img,
.article-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.product-card div,
.story-card div,
.article-card div {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 20px 22px;
}

.product-card h3,
.story-card h3,
.article-card h2 {
  margin: 12px 0 10px;
  font-size: 24px;
  line-height: 1.35;
}

.product-card p,
.story-card p,
.article-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.product-card-compact h3 {
  font-size: 20px;
}

.entry-grid-premium .entry-card-premium {
  position: relative;
  padding-bottom: 64px;
}

.entry-card-arrow {
  position: absolute;
  left: 24px;
  bottom: 24px;
  color: var(--primary);
  font-weight: 800;
}

.stats-board {
  padding: 28px;
  color: #fff;
  background:
    radial-gradient(circle at top left, rgba(28, 184, 255, 0.14), transparent 24%),
    linear-gradient(135deg, var(--section-dark-start), var(--section-dark-end));
  border-color: rgba(255, 255, 255, 0.06);
}

.stats-board-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.stats-board-head h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.14;
}

.stats-board-head p {
  max-width: 420px;
  margin: 0;
  color: rgba(231, 241, 255, 0.82);
  line-height: 1.85;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.stats-strip article {
  padding: 26px 24px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.stats-strip strong {
  display: block;
  font-size: 36px;
  line-height: 1;
}

.stats-strip span {
  display: block;
  margin-top: 10px;
  color: rgba(230, 240, 255, 0.84);
}

.story-card-premium {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(246, 249, 255, 0.92));
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 16px;
  color: var(--primary);
  font-weight: 800;
}

.text-link::after {
  content: "→";
  transition: transform .2s ease;
}

.text-link:hover::after {
  transform: translateX(2px);
}

.empty-state {
  padding: 28px 24px;
  border-radius: 22px;
  border: 1px dashed rgba(13, 94, 255, 0.22);
  background: rgba(255, 255, 255, 0.86);
  color: var(--muted);
  text-align: center;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-link.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.filter-search {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-left: auto;
}

.filter-input {
  min-width: min(320px, 72vw);
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
}

.filter-submit {
  min-height: 46px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 800;
  cursor: pointer;
}

.faq-conversion-grid,
.cta-grid,
.detail-content,
.article-layout {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 24px;
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  padding: 0 20px;
  box-shadow: var(--shadow-soft);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 0;
  font-weight: 800;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item div {
  color: var(--muted);
  line-height: 1.9;
  padding-bottom: 20px;
}

.conversion-panel {
  display: flex;
  flex-direction: column;
  padding: 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(242, 247, 255, 0.94));
}

.conversion-panel h3 {
  margin: 0 0 12px;
  font-size: 30px;
  line-height: 1.28;
}

.conversion-panel .section-actions {
  margin-top: auto;
  padding-top: 20px;
}

.simple-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 10px;
  line-height: 1.8;
}

.brand-close {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 24px;
  align-items: center;
}

.brand-close-copy h2 {
  margin: 0 0 12px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.15;
}

.brand-close-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.brand-close-panel {
  padding: 28px;
  display: grid;
  gap: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(243, 247, 255, 0.96));
}

.brand-close-panel div {
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(13, 94, 255, 0.10);
}

.brand-close-panel div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.brand-close-panel strong {
  display: block;
  font-size: 15px;
  margin-bottom: 8px;
}

.brand-close-panel span {
  color: var(--muted);
  line-height: 1.8;
}

.cta-section {
  padding: 8px 0 64px;
}

.cta-section .eyebrow {
  min-height: 28px;
  padding: 0 12px;
  border-radius: 14px;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.lead-form {
  padding: 26px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.lead-form label {
  display: grid;
  gap: 8px;
}

.lead-form span {
  font-size: 14px;
  color: var(--muted);
}

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fff;
}

.lead-form textarea {
  min-height: 132px;
  resize: vertical;
}

.lead-form button {
  margin-top: 18px;
}

.lead-form-wide {
  grid-column: 1 / -1;
}

.form-message {
  min-height: 22px;
  margin: 12px 0 0;
  color: var(--primary-dark);
}

.detail-sidebar {
  display: grid;
  gap: 18px;
}

.detail-sidebar section {
  padding: 22px;
}

.detail-sidebar h3 {
  margin-top: 0;
}

.parameter-list {
  display: grid;
  gap: 10px;
}

.parameter-list div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(13, 94, 255, 0.04);
}

.rich-content {
  color: #20324e;
  line-height: 1.95;
}

.rich-content h2,
.rich-content h3 {
  margin-top: 30px;
}

.product-gallery {
  display: grid;
  gap: 14px;
}

.product-gallery-main img {
  width: 100%;
  max-height: 460px;
  object-fit: contain;
}

.product-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 12px;
}

.gallery-thumb {
  padding: 8px;
  border-radius: 18px;
  border: 1px solid rgba(13, 94, 255, 0.14);
  background: rgba(255, 255, 255, 0.96);
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.gallery-thumb img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 12px;
}

.gallery-thumb.is-active {
  border-color: rgba(13, 94, 255, 0.48);
  box-shadow: 0 12px 26px rgba(13, 94, 255, 0.14);
}

.gallery-thumb:hover {
  transform: translateY(-2px);
}

.article-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
}

.article-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
}

.pagination-link,
.pagination-ellipsis,
.pagination-summary {
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pagination-link {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-dark);
}

.pagination-link.is-active {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.pagination-link.is-disabled {
  opacity: .55;
  pointer-events: none;
}

.pagination-summary,
.pagination-ellipsis {
  color: var(--muted);
  background: rgba(13, 94, 255, 0.05);
}

.site-footer {
  margin-top: 52px;
  padding: 48px 0 18px;
  color: rgba(255, 255, 255, 0.88);
  background:
    radial-gradient(circle at 15% 0%, rgba(28, 184, 255, 0.10), transparent 24%),
    linear-gradient(180deg, var(--footer-start), var(--footer-end) 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr .85fr .95fr .75fr;
  gap: 26px;
}

.site-footer h3 {
  margin-top: 0;
  margin-bottom: 16px;
  font-size: 20px;
}

.site-footer p {
  margin: 0 0 12px;
  color: rgba(224, 235, 255, 0.78);
  line-height: 1.85;
}

.footer-links {
  display: grid;
  gap: 10px 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.footer-brand-points {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.footer-brand-points span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  color: #dcecff;
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 700;
}

.footer-qr-card p {
  margin-top: 14px;
}

.footer-qr-box {
  width: 132px;
  height: 132px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #fff;
  color: #5b6f92;
  padding: 10px;
}

.footer-qr-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.76);
}

.footer-legal a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
  margin-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
}

.site-shortcut {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 34;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity .25s ease, transform .25s ease;
}

.site-shortcut.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.site-shortcut-action {
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid rgba(13, 94, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--primary-dark);
  font-weight: 800;
  box-shadow: var(--shadow-soft);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.site-shortcut-action:hover {
  transform: translateY(-2px);
  border-color: rgba(13, 94, 255, 0.26);
}

.mobile-actions {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 18;
  display: none;
  gap: 10px;
  flex-direction: column;
}

.mobile-action {
  min-width: 108px;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 12px 24px rgba(13, 94, 255, 0.22);
}

.contact-connect-grid {
  display: grid;
  grid-template-columns: minmax(320px, 380px) 1fr;
  gap: 24px;
  align-items: stretch;
}

.contact-wechat-card {
  height: 100%;
  padding: 28px 26px 24px;
}

.contact-wechat-card img {
  width: min(240px, calc(100% - 40px));
  aspect-ratio: 1 / 1;
  object-fit: contain;
  margin: 8px auto 0;
  padding: 16px;
  border-radius: 26px;
  background: #ffffff;
  box-shadow: 0 16px 36px rgba(8, 31, 78, 0.12);
}

.contact-wechat-copy {
  text-align: center;
}

.contact-wechat-copy h3 {
  margin: 20px 0 8px;
}

.contact-wechat-copy p {
  margin-bottom: 0;
}

.contact-info-stack {
  display: grid;
  gap: 18px;
  align-content: stretch;
}

.contact-info-card {
  min-height: 0;
}

.contact-info-card p {
  margin: 12px 0 0;
}

.centered-block { text-align: center; padding: 80px 0; }

@media (max-width: 1120px) {
  .hero-proof-list,
  .hero-stage-stats,
  .hero-client-strip,
  .card-grid-4,
  .stats-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .showcase-grid,
  .brand-close,
  .faq-conversion-grid,
  .contact-connect-grid,
  .cta-grid,
  .detail-content,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .product-showcase-card {
    padding: 24px;
  }

  .product-showcase-head {
    grid-template-columns: 1fr;
  }

  .product-showcase-facts,
  .product-showcase-feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .product-showcase-image {
    min-height: 0;
  }

  .stats-board-head {
    align-items: start;
    flex-direction: column;
  }

  .hero-visual-panel,
  .hero-carousel-track,
  .hero-video-trigger,
  .hero-video-poster,
  .hero-visual-panel img {
    min-height: 476px;
  }
}

@media (max-width: 980px) {
  .site-topbar-right {
    display: none;
  }

  .mobile-nav-toggle { display: inline-flex; align-items: center; justify-content: center; }

  .site-nav {
    position: absolute;
    top: 84px;
    left: 12px;
    right: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 18px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
    border: 1px solid rgba(13, 94, 255, 0.08);
  }

  .site-nav.is-open { display: flex; }

  .hero-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid-premium {
    gap: 28px;
  }

  .hero-stage {
    gap: 14px;
  }

  .hero-visual-panel,
  .hero-carousel-track,
  .hero-video-trigger,
  .hero-video-poster,
  .hero-visual-panel img {
    min-height: 440px;
  }

  .footer-grid,
  .article-nav-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .site-topbar {
    display: none;
  }

  .container {
    width: min(100vw - 24px, 1240px);
  }

  .hero,
  .page-hero,
  .detail-hero,
  .article-hero {
    padding-top: 40px;
  }

  .hero h1,
  .page-hero h1,
  .detail-hero h1,
  .article-hero h1 {
    font-size: 36px;
  }

  .hero-proof-list,
  .hero-stage-stats,
  .hero-client-strip,
  .card-grid-4,
  .card-grid-3,
  .card-grid-2,
  .capability-grid,
  .stats-strip,
  .contact-info-stack,
  .footer-grid,
  .article-nav-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .filter-search {
    width: 100%;
    margin-left: 0;
  }

  .filter-input {
    min-width: 0;
    width: 100%;
  }

  .hero-panel {
    min-height: 320px;
    padding: 16px;
  }

  .hero-grid-premium {
    gap: 22px;
  }

  .hero-proof-list {
    margin-top: 24px;
    gap: 12px;
  }

  .hero-proof-card {
    padding: 16px;
  }

  .hero-actions {
    margin-top: 24px;
    gap: 10px;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    min-height: 44px;
    padding: 0 16px;
    font-size: 14px;
  }

  .hero-visual-panel {
    padding: 0;
  }

  .hero-visual-panel,
  .hero-carousel-track,
  .hero-video-trigger,
  .hero-video-poster,
  .hero-visual-panel img,
  .hero-carousel-slide img {
    min-height: 344px;
  }

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

  .hero-premium-stats article {
    min-height: 92px;
    padding: 14px 12px;
  }

  .hero-premium-stats strong {
    font-size: clamp(18px, 7vw, 24px);
  }

  .hero-premium-stats span {
    margin-top: 6px;
    font-size: 11px;
    line-height: 1.5;
  }

  .hero-visual-overlay,
  .hero-stage-card,
  .stats-board,
  .page-intro-content,
  .feature-page-intro,
  .conversion-panel,
  .brand-close-panel,
  .lead-form {
    padding: 20px;
  }

  .product-showcase-card {
    padding: 20px;
  }

  .product-showcase-head,
  .product-showcase-facts,
  .product-showcase-feature-grid {
    grid-template-columns: 1fr;
  }

  .product-showcase-card h3 {
    font-size: 28px;
  }

  .product-showcase-footer {
    flex-direction: column;
    align-items: start;
  }

  .product-showcase-image {
    aspect-ratio: 1 / 1;
    min-height: 0;
    padding: 20px;
  }

  .hero-carousel-nav {
    inset: auto 12px 116px;
    transform: none;
  }

  .hero-carousel-btn {
    width: 40px;
    height: 40px;
    font-size: 24px;
  }

  .hero-carousel-dots {
    top: 14px;
    right: 14px;
  }

  .hero-visual-overlay strong {
    font-size: 20px;
    line-height: 1.35;
  }

  .hero-visual-overlay p {
    font-size: 13px;
    line-height: 1.6;
  }

  .hero-video-play {
    width: 76px;
    height: 76px;
  }

  .hero-video-play-icon {
    border-top-width: 12px;
    border-bottom-width: 12px;
    border-left-width: 20px;
  }

  .hero-video-copy {
    left: 20px;
    right: 20px;
    bottom: 20px;
  }

  .hero-video-copy strong {
    font-size: 22px;
  }

  .hero-video-copy span {
    font-size: 14px;
  }

  .video-modal {
    padding: 12px;
  }

  .video-modal-dialog {
    width: min(100vw - 16px, 1080px);
    border-radius: 20px;
  }

  .page-hero-shell-rich {
    min-height: 260px;
  }

  .site-shortcut {
    right: 12px;
    bottom: 182px;
  }

  .site-shortcut-action {
    min-height: 42px;
    padding: 0 14px;
    font-size: 13px;
  }

  .mobile-actions { display: flex; }

  .footer-bottom {
    flex-direction: column;
  }
}