/* ===== Variables ===== */
:root {
  --color-primary: #2D7A5F;
  --color-primary-dark: #1F5A45;
  --color-primary-light: #3A9A78;
  --color-dark: #1A2E28;
  --color-text: #333333;
  --color-text-muted: #666666;
  --color-text-light: #999999;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7F8FA;
  --color-border: #E8EAED;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --header-height: 72px;
  --container-max: 1200px;
  --transition: 0.25s ease;
}

/* ===== Reset ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ===== Utilities ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.text-accent {
  color: var(--color-primary);
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.section-header {
  margin-bottom: 48px;
}

.section-header--center {
  text-align: center;
}

.section-header--center p {
  max-width: 600px;
  margin: 12px auto 0;
}

.section-header--row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 16px;
  margin-top: 8px;
}

.link-more {
  color: var(--color-primary);
  font-weight: 500;
  white-space: nowrap;
  transition: opacity var(--transition);
}

.link-more:hover {
  opacity: 0.8;
}

.tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--dark {
  background: var(--color-dark);
  color: #fff;
}

.btn--dark:hover {
  background: #0f1f1a;
}

.btn--outline {
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo__icon {
  width: 36px;
  height: 36px;
  color: var(--color-primary);
}

.logo__icon svg {
  width: 100%;
  height: 100%;
}

.logo__text {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
}

.nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav__list {
  display: flex;
  gap: 8px;
}

.nav__link {
  padding: 8px 14px;
  font-size: 14px;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition);
  position: relative;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

.header__cta {
  flex-shrink: 0;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  padding: calc(var(--header-height) + 60px) 0 80px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 255, 255, 0.88) 35%,
    rgba(255, 255, 255, 0.55) 55%,
    rgba(255, 255, 255, 0.15) 100%
  );
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero__content {
  max-width: 560px;
}

.hero .tag {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
}

.hero__title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
}

.hero__desc {
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 32px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 24px 32px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.stat__num {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.stat__label {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 4px;
}

.hero__floats {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  min-height: 420px;
  padding-bottom: 12px;
}

.hero-feature-rail {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 18px;
  border-left: 2px solid rgba(45, 122, 95, 0.28);
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px 9px 12px;
  background: rgba(255, 255, 255, 0.48);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-sm);
  max-width: 196px;
  transition: background var(--transition), border-color var(--transition);
}

.hero-feature:hover {
  background: rgba(255, 255, 255, 0.68);
  border-color: rgba(45, 122, 95, 0.25);
}

.hero-feature__icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 122, 95, 0.12);
  border-radius: 8px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.hero-feature__icon svg {
  width: 16px;
  height: 16px;
}

.hero-feature__body strong {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.hero-feature__body span {
  display: block;
  font-size: 11px;
  color: var(--color-text-light);
  line-height: 1.4;
  margin-top: 2px;
}

/* ===== Capabilities ===== */
.capabilities {
  padding: 80px 0;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  margin: 0 16px;
}

.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cap-card {
  background: #fff;
  padding: 28px;
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

.cap-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.cap-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 122, 95, 0.08);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.cap-card__icon svg {
  width: 24px;
  height: 24px;
}

.cap-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.cap-card p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== Products ===== */
.products {
  padding: 100px 0;
}

.product-showcase {
  display: flex;
  flex-direction: column;
  gap: 56px;
  margin-top: 48px;
}

.product-matrix__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-matrix__desc {
  color: var(--color-text-muted);
  font-size: 15px;
  margin-bottom: 24px;
}

.product-core-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  height: 100%;
}

.product-card--highlight {
  background: linear-gradient(135deg, #f8faf9 0%, #fff 100%);
  border-color: rgba(45, 122, 95, 0.25);
}

.product-card__badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.product-card__badge em {
  font-style: normal;
  margin-left: 4px;
  padding: 1px 6px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-pill);
  font-size: 11px;
}

.product-card__badge--software {
  background: #2B6CB0;
}

.product-card__badge--hardware {
  background: var(--color-primary);
}

.product-card__badge--service {
  background: #C05621;
}

.product-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.product-card > p {
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 4px;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.product-tags span {
  padding: 4px 12px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-pill);
  font-size: 12px;
  color: var(--color-text-muted);
}

.product-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
}

.product-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.product-table th,
.product-table td {
  padding: 16px 24px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.product-table th {
  background: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-text);
  font-size: 13px;
}

.product-table tbody tr:last-child td {
  border-bottom: none;
}

.product-table tbody tr:hover {
  background: rgba(45, 122, 95, 0.03);
}

.product-table td strong {
  color: var(--color-text);
  font-weight: 600;
}

.product-stage {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(45, 122, 95, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
}

.product-matrix--logic {
  padding: 32px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.product-flow {
  display: flex;
  align-items: stretch;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.product-flow__step {
  flex: 1;
  min-width: 140px;
  padding: 20px 16px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.product-flow__num {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.product-flow__step strong {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
}

.product-flow__step p {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

.product-flow__arrow {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--color-text-light);
  font-size: 18px;
  padding: 0 2px;
}

/* ===== Scenarios ===== */
.scenarios {
  padding: 80px 0;
  background: var(--color-bg-alt);
}

.scenarios__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.scenario-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.scenario-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.scenario-card__img {
  height: 180px;
  overflow: hidden;
}

.scenario-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.scenario-card:hover .scenario-card__img img {
  transform: scale(1.05);
}

.scenario-card__body {
  padding: 20px;
}

.scenario-card__body h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.scenario-card__body p {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ===== Platform ===== */
.platform {
  padding: 100px 0;
}

.dashboard {
  margin-bottom: 40px;
}

.dashboard__screen {
  background: #1a2332;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.dashboard__toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #141b26;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot--red { background: #ff5f57; }
.dot--yellow { background: #febc2e; }
.dot--green { background: #28c840; }

.dashboard__title {
  margin-left: 8px;
  font-size: 13px;
  color: #8899aa;
}

.dashboard__map {
  position: relative;
  height: 360px;
  background: linear-gradient(180deg, #1e2d3d 0%, #0f1923 100%);
  overflow: hidden;
}

.map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(45, 122, 95, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 122, 95, 0.1) 1px, transparent 1px);
  background-size: 40px 40px;
}

.map-marker {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(45, 122, 95, 0.3);
  animation: pulse 2s infinite;
}

.map-marker--alert {
  background: #e53e3e;
  box-shadow: 0 0 0 4px rgba(229, 62, 62, 0.3);
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(45, 122, 95, 0.3); }
  50% { box-shadow: 0 0 0 8px rgba(45, 122, 95, 0.1); }
}

.dashboard__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: -40px;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.metric-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.metric-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.metric-card__icon svg {
  width: 24px;
  height: 24px;
}

.metric-card__icon--green {
  background: rgba(45, 122, 95, 0.1);
  color: var(--color-primary);
}

.metric-card__icon--blue {
  background: rgba(43, 108, 176, 0.1);
  color: #2B6CB0;
}

.metric-card__icon--orange {
  background: rgba(221, 107, 32, 0.1);
  color: #DD6B20;
}

.metric-card__value {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.metric-card__label {
  font-size: 13px;
  color: var(--color-text-muted);
}

.platform-modules {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.module-card {
  padding: 24px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.module-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.module-card p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== Solutions ===== */
.solutions {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

.solutions__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.solution-card {
  background: #fff;
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.solution-card:hover {
  box-shadow: var(--shadow-md);
}

.solution-card__num {
  font-size: 40px;
  font-weight: 700;
  color: rgba(45, 122, 95, 0.15);
  line-height: 1;
  margin-bottom: 12px;
}

.solution-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.solution-card__target {
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 12px;
}

.solution-card > p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.solution-card ul li {
  font-size: 13px;
  color: var(--color-text-muted);
  padding: 6px 0 6px 20px;
  position: relative;
}

.solution-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 600;
}

/* ===== Advantages ===== */
.advantages {
  padding: 80px 0;
}

.advantages__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.advantage-item {
  text-align: center;
  padding: 24px 16px;
}

.advantage-item__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  border-radius: var(--radius-md);
}

.advantage-item h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.advantage-item p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== Cases ===== */
.cases {
  padding: 100px 0;
  background: linear-gradient(135deg, #f0f7f4 0%, #fff 100%);
}

.cases__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.cases__content h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

.cases__content p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}

.cases__highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.highlight {
  padding: 16px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.highlight strong {
  display: block;
  font-size: 15px;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.highlight span {
  font-size: 13px;
  color: var(--color-text-muted);
}

.cases__visual img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: 400px;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

/* ===== About ===== */
.about {
  padding: 100px 0;
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.about__visual {
  position: relative;
}

.about__visual img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.about__badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--color-primary);
  color: #fff;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  text-align: center;
}

.about__badge span {
  display: block;
  font-size: 12px;
  opacity: 0.8;
}

.about__badge strong {
  font-size: 28px;
  font-weight: 700;
}

.about__content h2 {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

.about__content > p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}

.honors {
  margin-top: 32px;
}

.honors h4,
.vision h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.honors__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.honors__tags span {
  padding: 6px 14px;
  background: rgba(45, 122, 95, 0.08);
  color: var(--color-primary);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
}

.vision {
  margin-top: 32px;
}

.vision__timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.vision__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.vision__phase {
  flex-shrink: 0;
  padding: 4px 12px;
  background: var(--color-dark);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

.vision__item p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== Patents ===== */
.patents {
  padding: 80px 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  overflow: hidden;
}

.patents__scroll-wrap {
  margin-top: 40px;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: rgba(45, 122, 95, 0.35) transparent;
  padding: 8px 0 20px;
}

.patents__scroll-wrap::-webkit-scrollbar {
  height: 6px;
}

.patents__scroll-wrap::-webkit-scrollbar-track {
  background: transparent;
}

.patents__scroll-wrap::-webkit-scrollbar-thumb {
  background: rgba(45, 122, 95, 0.25);
  border-radius: var(--radius-pill);
}

.patents__scroll-wrap::-webkit-scrollbar-thumb:hover {
  background: rgba(45, 122, 95, 0.4);
}

.patents__track {
  display: flex;
  gap: 20px;
  width: max-content;
  padding: 0 max(24px, calc((100vw - var(--container-max)) / 2 + 24px));
}

.patent-card {
  flex-shrink: 0;
  scroll-snap-align: start;
  width: 220px;
  height: 300px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.patent-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.patent-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.patents__empty {
  width: 100%;
  text-align: center;
  color: var(--color-text-light);
  font-size: 14px;
  padding: 24px;
}

/* ===== Contact ===== */
.contact {
  padding: 100px 0;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact__info h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact__info > p {
  color: var(--color-text-muted);
  margin-bottom: 32px;
  line-height: 1.8;
}

.contact__list li {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.contact__list li:last-child {
  border-bottom: none;
}

.contact__list svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact__list strong {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}

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

.contact__form {
  background: var(--color-bg-alt);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.contact__form h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-dark);
  color: #fff;
  padding-top: 60px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 60px;
  padding-bottom: 48px;
}

.footer .logo__text {
  color: #fff;
}

.footer__brand p {
  margin-top: 16px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 280px;
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer__links h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.9);
}

.footer__links a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  padding: 4px 0;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: #fff;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
}

.footer__bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero__inner,
  .cases__inner,
  .about__inner,
  .contact__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero {
    min-height: auto;
  }

  .hero__floats {
    min-height: auto;
    justify-content: center;
    padding-bottom: 0;
  }

  .hero-feature-rail {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    padding-left: 0;
    padding-top: 8px;
    border-left: none;
    border-top: 2px solid rgba(45, 122, 95, 0.2);
    width: 100%;
  }

  .hero-feature {
    max-width: none;
    flex: 1 1 180px;
  }

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

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

  .platform-modules {
    grid-template-columns: repeat(2, 1fr);
  }

  .advantages__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .product-core-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about__visual {
    max-width: 500px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 16px;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    gap: 4px;
  }

  .nav__link {
    display: block;
    padding: 12px 16px;
  }

  .header__cta {
    display: none;
  }

  .hamburger {
    display: flex;
    margin-left: auto;
  }

  .hero {
    padding-top: calc(var(--header-height) + 32px);
    padding-bottom: 60px;
    min-height: auto;
  }

  .hero__overlay {
    background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.95) 0%,
      rgba(255, 255, 255, 0.85) 60%,
      rgba(255, 255, 255, 0.5) 100%
    );
  }

  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 20px 24px;
  }

  .hero-feature-rail {
    flex-direction: column;
    align-items: stretch;
    border-top: none;
    padding-top: 0;
    border-left: 2px solid rgba(45, 122, 95, 0.2);
    padding-left: 16px;
  }

  .hero-feature {
    max-width: none;
  }

  .capabilities {
    margin: 0;
    border-radius: 0;
    padding: 60px 0;
  }

  .capabilities__grid,
  .product-core-grid,
  .solutions__grid {
    grid-template-columns: 1fr;
  }

  .scenarios__grid {
    grid-template-columns: 1fr;
  }

  .dashboard__map {
    height: 240px;
  }

  .dashboard__metrics {
    grid-template-columns: 1fr;
    margin-top: -20px;
    padding: 0 16px;
  }

  .platform-modules {
    grid-template-columns: 1fr;
  }

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

  .cases__highlights {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer__links {
    grid-template-columns: 1fr 1fr;
  }

  .section-header--row {
    flex-direction: column;
    align-items: flex-start;
  }

  .products,
  .platform,
  .solutions,
  .cases,
  .about,
  .patents,
  .contact {
    padding: 60px 0;
  }

  .patent-card {
    width: 180px;
    height: 252px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero__stats {
    grid-template-columns: 1fr 1fr;
  }

  .stat__num {
    font-size: 22px;
  }

  .advantages__grid {
    grid-template-columns: 1fr;
  }

  .footer__links {
    grid-template-columns: 1fr;
  }

  .product-matrix--logic {
    padding: 24px 16px;
  }

  .product-flow__arrow {
    display: none;
  }
}