:root {
  --primary: #0a2e4d;
  --primary-2: #123f66;
  --primary-3: #1c5688;
  --accent: #00bfa6;
  --accent-2: #17c3b2;
  --accent-dark: #009b8c;
  --ink: #1f2937;
  --ink-light: #64748b;
  --bg: #ffffff;
  --bg-soft: #f4f7fa;
  --border: #e5e9ee;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(10, 46, 77, 0.08);
  --shadow-lg: 0 24px 60px rgba(10, 46, 77, 0.14);
  --container: 1200px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.7;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

.ico {
  display: block;
  width: 100%;
  height: 100%;
}

.ico-lg {
  width: 64px;
  height: 64px;
}

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

ul {
  list-style: none;
}

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

.section {
  padding: 96px 0;
}

.section-soft {
  background: var(--bg-soft);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-head .eyebrow {
  display: inline-block;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  letter-spacing: 1px;
}

.section-head p {
  margin-top: 16px;
  color: var(--ink-light);
  font-size: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 191, 166, 0.35);
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

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

.btn-dark:hover {
  background: var(--primary-2);
  transform: translateY(-2px);
}

.btn-arrow::after {
  content: "→";
  font-size: 16px;
  transition: transform 0.25s ease;
}

.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s ease;
}

.header.scrolled {
  box-shadow: 0 6px 24px rgba(10, 46, 77, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

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

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 2px;
}

.logo-text small {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--ink-light);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links > li > a {
  display: block;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  border-radius: 8px;
  transition: all 0.2s ease;
}

.nav-links > li > a:hover,
.nav-links > li > a.active {
  color: var(--accent-dark);
  background: rgba(0, 191, 166, 0.08);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-cta .btn {
  padding: 10px 22px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  position: relative;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  margin: 5px auto;
  border-radius: 2px;
  transition: all 0.3s ease;
}

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

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

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

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  background: linear-gradient(135deg, #0a2e4d 0%, #123f66 55%, #0d5c63 100%);
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 30% 50%, #000 30%, transparent 75%);
}

.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -160px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(0, 191, 166, 0.35) 0%, transparent 62%);
  filter: blur(10px);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  padding: 90px 0;
}

.hero h1 {
  font-size: clamp(36px, 5.2vw, 62px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: 2px;
}

.hero h1 .accent-text {
  color: var(--accent);
}

.hero .hero-sub {
  margin-top: 22px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 520px;
  font-weight: 300;
  letter-spacing: 1px;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  margin-top: 52px;
  display: flex;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 28px;
  flex-wrap: wrap;
}

.hero-stat {
  flex: 1;
  min-width: 120px;
  padding-right: 20px;
}

.hero-stat .num {
  font-size: 30px;
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.hero-stat .label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 1px;
  margin-top: 2px;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-orb {
  position: relative;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(0, 191, 166, 0.55), rgba(10, 46, 77, 0.2) 45%, transparent 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float 7s ease-in-out infinite;
}

.hero-orb::before {
  content: "";
  position: absolute;
  inset: 26px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  animation: spin 24s linear infinite;
}

.hero-orb::after {
  content: "";
  position: absolute;
  inset: 64px;
  border-radius: 50%;
  border: 1.5px dashed rgba(0, 191, 166, 0.55);
  animation: spin 14s linear infinite reverse;
}

.hero-chip {
  position: absolute;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
  font-size: 13px;
  letter-spacing: 1px;
  white-space: nowrap;
}

.hero-chip.c1 {
  top: 12%;
  left: -6%;
}

.hero-chip.c2 {
  top: 42%;
  right: -12%;
  animation-delay: 1s;
}

.hero-chip.c3 {
  bottom: 10%;
  left: 6%;
  animation-delay: 2s;
}

.hero-battery {
  width: 120px;
  height: 170px;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.7; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ===== Solutions ===== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.solution-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--primary-3));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.solution-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.solution-card:hover::before {
  transform: scaleX(1);
}

.solution-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0, 191, 166, 0.14), rgba(10, 46, 77, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--accent-dark);
}

.solution-card h3 {
  font-size: 20px;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 12px;
}

.solution-card p {
  font-size: 14.5px;
  color: var(--ink-light);
  margin-bottom: 18px;
}

.solution-card .link {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-dark);
}

.solution-card .link::after {
  content: " →";
}

/* ===== Showcase (储能场景) ===== */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.showcase-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  display: block;
}

.showcase-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.showcase-banner {
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.showcase-banner svg {
  transition: transform 0.5s ease;
}

.showcase-card:hover .showcase-banner svg {
  transform: scale(1.08);
}

.showcase-body {
  padding: 28px 30px 30px;
}

.showcase-body h3 {
  font-size: 20px;
  color: var(--primary);
  font-weight: 700;
}

.showcase-body .tag {
  display: inline-block;
  font-size: 12px;
  color: var(--accent-dark);
  background: rgba(0, 191, 166, 0.1);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
  font-weight: 600;
  letter-spacing: 1px;
}

.showcase-body p {
  font-size: 14.5px;
  color: var(--ink-light);
  margin-top: 8px;
}

/* ===== Stats band ===== */
.band {
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-2) 100%);
  color: #fff;
}

.band-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.band-stat .num {
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.band-stat .label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 6px;
  letter-spacing: 1px;
}

/* ===== Tech vision ===== */
.vision {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.vision .eyebrow {
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
}

.vision h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  color: var(--primary);
  font-weight: 800;
  line-height: 1.3;
  margin: 16px 0 20px;
}

.vision p {
  color: var(--ink-light);
  font-size: 16px;
}

.vision-list {
  margin-top: 28px;
}

.vision-list li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--border);
  align-items: flex-start;
}

.vision-list .v-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(0, 191, 166, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-dark);
  flex-shrink: 0;
}

.vision-list h4 {
  font-size: 16px;
  color: var(--primary);
  font-weight: 700;
}

.vision-list p {
  font-size: 14px;
  margin-top: 2px;
}

.vision-visual {
  position: relative;
  border-radius: var(--radius);
  min-height: 480px;
  overflow: hidden;
  background: linear-gradient(150deg, #0a2e4d, #0d5c63);
  display: flex;
  align-items: center;
  justify-content: center;
}

.vision-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
}

/* ===== News ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s ease;
  display: block;
}

.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.news-thumb {
  height: 190px;
  background: linear-gradient(135deg, var(--primary-2), var(--primary-3));
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.news-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(0, 191, 166, 0.4), transparent 50%);
}

.news-thumb svg {
  position: relative;
  z-index: 1;
  opacity: 0.9;
}

.news-card:nth-child(3n + 2) .news-thumb {
  background: linear-gradient(135deg, #0d5c63, #0a2e4d);
}

.news-card:nth-child(3n) .news-thumb {
  background: linear-gradient(135deg, var(--accent-dark), #0d5c63);
}

.news-body {
  padding: 24px 26px 26px;
}

.news-date {
  font-size: 13px;
  color: var(--accent-dark);
  font-weight: 600;
  letter-spacing: 1px;
}

.news-body h3 {
  font-size: 17px;
  color: var(--primary);
  font-weight: 700;
  line-height: 1.5;
  margin: 10px 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-body .more {
  font-size: 14px;
  color: var(--ink-light);
  font-weight: 600;
}

.news-card:hover .news-body .more {
  color: var(--accent-dark);
}

/* ===== CTA band ===== */
.cta-band {
  background: linear-gradient(120deg, var(--accent-dark), #0d9c8c 50%, var(--primary-2));
  color: #fff;
  text-align: center;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -60px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.cta-band h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: 1px;
}

.cta-band p {
  margin: 16px auto 34px;
  max-width: 560px;
  opacity: 0.9;
  font-size: 16px;
}

/* ===== Footer ===== */
.footer {
  background: #072036;
  color: rgba(255, 255, 255, 0.72);
  padding-top: 72px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 2fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
  font-size: 14px;
  margin-top: 18px;
  max-width: 320px;
  line-height: 1.8;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.footer-links h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.footer-links a {
  display: block;
  font-size: 14px;
  padding: 5px 0;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 0;
  font-size: 13px;
  flex-wrap: wrap;
}

.footer-bottom .legal a {
  margin-left: 18px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-bottom .legal a:hover {
  color: var(--accent);
}

/* ===== Page hero (inner pages) ===== */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 60%, #0d5c63 100%);
  color: #fff;
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -100px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 191, 166, 0.3), transparent 65%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero .eyebrow {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
}

.page-hero h1 {
  font-size: clamp(30px, 4.4vw, 46px);
  font-weight: 800;
  margin-top: 12px;
  letter-spacing: 2px;
}

.page-hero p {
  margin-top: 14px;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
}

.breadcrumb {
  margin-top: 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 1px;
}

.breadcrumb a:hover {
  color: var(--accent);
}

/* ===== Detail / generic ===== */
.detail-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 56px;
}

.detail-block.reverse .detail-visual {
  order: 2;
}

.detail-visual {
  border-radius: var(--radius);
  min-height: 360px;
  background: linear-gradient(150deg, var(--primary-2), #0d5c63);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.detail-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
}

.detail-visual svg {
  position: relative;
  z-index: 1;
}

.detail-text .eyebrow {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.detail-text h2 {
  font-size: clamp(24px, 3vw, 34px);
  color: var(--primary);
  font-weight: 800;
  margin: 12px 0 16px;
  line-height: 1.35;
}

.detail-text p {
  color: var(--ink-light);
  font-size: 15.5px;
}

.detail-text ul {
  margin-top: 18px;
}

.detail-text ul li {
  position: relative;
  padding: 6px 0 6px 26px;
  color: var(--ink-light);
  font-size: 15px;
}

.detail-text ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

/* ===== Feature grid ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.feature-card .f-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 18px;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14.5px;
  color: var(--ink-light);
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--primary-3));
}

.timeline-item {
  position: relative;
  padding-bottom: 44px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 191, 166, 0.2);
}

.timeline-item .year {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent-dark);
}

.timeline-item h4 {
  font-size: 17px;
  color: var(--primary);
  font-weight: 700;
  margin: 4px 0 6px;
}

.timeline-item p {
  color: var(--ink-light);
  font-size: 14.5px;
}

/* ===== Values ===== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.value-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.value-card .v-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 191, 166, 0.16), rgba(10, 46, 77, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-dark);
}

.value-card h3 {
  font-size: 18px;
  color: var(--primary);
  font-weight: 700;
}

.value-card p {
  font-size: 14px;
  color: var(--ink-light);
  margin-top: 8px;
}

/* ===== News list page ===== */
.news-list-item {
  display: flex;
  gap: 26px;
  padding: 30px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 22px;
  transition: all 0.25s ease;
}

.news-list-item:hover {
  box-shadow: var(--shadow);
  transform: translateX(6px);
}

.news-list-thumb {
  width: 240px;
  height: 150px;
  border-radius: 10px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-2), var(--primary-3));
}

.news-list-thumb.t2 {
  background: linear-gradient(135deg, #0d5c63, #0a2e4d);
}

.news-list-thumb.t3 {
  background: linear-gradient(135deg, var(--accent-dark), #0d5c63);
}

.news-list-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-list-body .date {
  font-size: 13px;
  color: var(--accent-dark);
  font-weight: 600;
  letter-spacing: 1px;
}

.news-list-body h3 {
  font-size: 19px;
  color: var(--primary);
  font-weight: 700;
  margin: 8px 0 8px;
}

.news-list-body p {
  font-size: 14.5px;
  color: var(--ink-light);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info-item {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--border);
}

.contact-info-item .ci-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 191, 166, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-dark);
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 16px;
  color: var(--primary);
  font-weight: 700;
}

.contact-info-item p {
  font-size: 14.5px;
  color: var(--ink-light);
}

.contact-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  background: #fbfcfd;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 191, 166, 0.15);
  background: #fff;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-tip {
  font-size: 13px;
  color: var(--ink-light);
  margin-top: 6px;
}

/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 0;
  }

  .hero-visual {
    display: none;
  }

  .band-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 28px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .nav-cta .btn {
    display: none;
  }

  .solutions-grid,
  .showcase-grid,
  .feature-grid,
  .values-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }

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

  .vision-visual {
    min-height: 320px;
  }

  .detail-block {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .detail-block.reverse .detail-visual {
    order: 0;
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .news-list-item {
    flex-direction: column;
  }

  .news-list-thumb {
    width: 100%;
    height: 180px;
  }

  .hero-stat .num {
    font-size: 24px;
  }
}