:root {
  --bg-0: #070d14;
  --bg-1: #0d1621;
  --bg-2: #121f2e;
  --surface: #142131;
  --surface-soft: #1b2b3e;
  --line: #2b3d53;
  --text-main: #eef5ff;
  --text-muted: #9eb2ca;
  --text-soft: #7f95ad;
  --primary: #1fbf96;
  --primary-strong: #17896c;
  --accent: #f7b267;
  --danger: #ff7f6b;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow-soft: 0 20px 45px rgba(2, 8, 15, 0.35);
  --shadow-card: 0 14px 30px rgba(6, 13, 23, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--text-main);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  background:
    radial-gradient(circle at 8% 10%, rgba(31, 191, 150, 0.16), transparent 34%),
    radial-gradient(circle at 88% 10%, rgba(247, 178, 103, 0.16), transparent 30%),
    linear-gradient(158deg, #070d14 0%, #0a121b 44%, #0d1621 100%);
  overflow-x: hidden;
}

.page-wrap {
  position: relative;
  isolation: isolate;
}

.page-wrap::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(158, 178, 202, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(158, 178, 202, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.35;
  pointer-events: none;
  z-index: -2;
}

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

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

.container {
  width: min(1160px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(43, 61, 83, 0.72);
  backdrop-filter: blur(14px);
  background: rgba(9, 16, 25, 0.88);
}

.header-row {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}

.brand img {
  width: auto;
  height: 42px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem;
  border: 1px solid rgba(43, 61, 83, 0.65);
  background: rgba(20, 33, 49, 0.55);
  border-radius: 999px;
}

.nav-link {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.93rem;
  font-weight: 600;
  transition: all 0.24s ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: #f8fcff;
  background: rgba(31, 191, 150, 0.2);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 1.05rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: linear-gradient(145deg, var(--primary), #25d3a7);
  color: #06101a;
  font-size: 0.9rem;
  font-weight: 700;
  transition: transform 0.24s ease, box-shadow 0.24s ease;
  box-shadow: 0 10px 24px rgba(31, 191, 150, 0.28);
}

.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 13px 28px rgba(31, 191, 150, 0.36);
}

.section-block {
  padding: 4.6rem 0;
}

.section-head {
  margin-bottom: 1.7rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.36rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(31, 191, 150, 0.28);
  color: #9fe8d4;
  background: rgba(31, 191, 150, 0.08);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.section-title {
  margin: 0.85rem 0 0;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-size: clamp(1.55rem, 2.8vw, 2.6rem);
}

.section-desc {
  margin: 0.9rem 0 0;
  max-width: 760px;
  color: var(--text-muted);
}

.hero {
  padding: 5.8rem 0 4.4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(1.4rem, 3vw, 3rem);
}

.hero-title {
  margin: 1rem 0;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-title span {
  color: var(--primary);
}

.hero-lead {
  margin: 0;
  max-width: 660px;
  color: var(--text-muted);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 48px;
  padding: 0 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 700;
  transition: transform 0.24s ease, box-shadow 0.24s ease, background-color 0.24s ease, border-color 0.24s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #07101a;
  background: linear-gradient(145deg, var(--primary), #30d3ab);
  box-shadow: 0 12px 28px rgba(31, 191, 150, 0.32);
}

.btn-primary:hover {
  box-shadow: 0 16px 36px rgba(31, 191, 150, 0.4);
}

.btn-secondary {
  color: #121a24;
  background: linear-gradient(145deg, var(--accent), #ffc98e);
}

.btn-ghost {
  color: var(--text-main);
  border-color: rgba(43, 61, 83, 0.85);
  background: rgba(20, 33, 49, 0.58);
}

.btn-ghost:hover {
  border-color: rgba(31, 191, 150, 0.42);
  background: rgba(31, 191, 150, 0.12);
}

.hero-meta {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.meta-card {
  border: 1px solid rgba(43, 61, 83, 0.72);
  background: rgba(20, 33, 49, 0.58);
  border-radius: var(--radius-sm);
  padding: 0.95rem 1rem;
  box-shadow: var(--shadow-card);
}

.meta-card strong {
  display: block;
  font-size: 1.1rem;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
}

.meta-card span {
  display: block;
  margin-top: 0.12rem;
  color: var(--text-soft);
  font-size: 0.84rem;
}

.hero-visual {
  position: relative;
  padding: 1.2rem;
  border: 1px solid rgba(43, 61, 83, 0.72);
  border-radius: var(--radius-lg);
  background: linear-gradient(170deg, rgba(20, 33, 49, 0.88), rgba(17, 31, 44, 0.56));
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.hero-visual::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -80px;
  bottom: -100px;
  background: radial-gradient(circle, rgba(247, 178, 103, 0.28), transparent 64%);
  pointer-events: none;
}

.hero-device {
  width: min(100%, 540px);
  margin: 0 auto;
}

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

.feature-card {
  border: 1px solid rgba(43, 61, 83, 0.72);
  background: linear-gradient(160deg, rgba(20, 33, 49, 0.76), rgba(21, 35, 51, 0.45));
  border-radius: var(--radius-md);
  padding: 1.2rem 1.1rem;
  box-shadow: var(--shadow-card);
}

.feature-card h3 {
  margin: 0.7rem 0 0.45rem;
  font-size: 1.08rem;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.feature-icon {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  color: #0b1724;
  background: linear-gradient(135deg, var(--primary), #76e2c7);
  font-size: 1rem;
  font-weight: 700;
}

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

.metric-item {
  border-radius: var(--radius-md);
  border: 1px solid rgba(43, 61, 83, 0.72);
  background: rgba(20, 33, 49, 0.62);
  padding: 1.2rem;
}

.metric-item h3 {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  color: var(--accent);
}

.metric-item p {
  margin: 0.55rem 0 0;
  color: var(--text-muted);
}

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

.quote-card {
  border: 1px solid rgba(43, 61, 83, 0.72);
  border-radius: var(--radius-md);
  background: rgba(20, 33, 49, 0.68);
  padding: 1.2rem;
  box-shadow: var(--shadow-card);
}

.quote-card p {
  margin: 0 0 0.95rem;
  color: var(--text-muted);
}

.quote-author {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.quote-author img {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid rgba(158, 178, 202, 0.35);
}

.quote-author strong {
  display: block;
  font-size: 0.93rem;
}

.quote-author span {
  display: block;
  color: var(--text-soft);
  font-size: 0.8rem;
}

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

.news-card {
  border: 1px solid rgba(43, 61, 83, 0.72);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(20, 33, 49, 0.72);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 34px rgba(4, 11, 19, 0.4);
}

.news-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.news-body {
  padding: 1rem;
}

.news-date {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.76rem;
  color: var(--text-soft);
}

.news-title {
  margin: 0.55rem 0 0.4rem;
  font-size: 1rem;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  line-height: 1.35;
}

.news-summary {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.news-more {
  margin-top: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #9fe8d4;
  font-size: 0.86rem;
  font-weight: 700;
}

.cta-banner {
  border: 1px solid rgba(43, 61, 83, 0.75);
  background: linear-gradient(125deg, rgba(20, 33, 49, 0.86), rgba(21, 36, 54, 0.54));
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
}

.cta-banner h2 {
  margin: 0;
  font-size: clamp(1.32rem, 2.4vw, 2rem);
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
}

.cta-banner p {
  margin: 0.55rem 0 0;
  color: var(--text-muted);
}

.page-hero {
  padding: 4.2rem 0 2.8rem;
}

.page-hero .section-title {
  margin-top: 0.7rem;
}

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

.download-card {
  border: 1px solid rgba(43, 61, 83, 0.72);
  border-radius: var(--radius-md);
  background: rgba(20, 33, 49, 0.72);
  padding: 1.25rem;
}

.download-card h3 {
  margin: 0;
  font-size: 1.2rem;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
}

.download-card p {
  margin: 0.7rem 0 1rem;
  color: var(--text-muted);
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.download-note {
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--text-soft);
}

.inline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.inline-tags span {
  border: 1px solid rgba(43, 61, 83, 0.7);
  border-radius: 999px;
  padding: 0.34rem 0.7rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.faq-item {
  border: 1px solid rgba(43, 61, 83, 0.72);
  border-radius: var(--radius-sm);
  background: rgba(20, 33, 49, 0.62);
  padding: 1rem;
}

.faq-item h3 {
  margin: 0;
  font-size: 1rem;
}

.faq-item p {
  margin: 0.55rem 0 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 1rem;
}

.side-card {
  border: 1px solid rgba(43, 61, 83, 0.72);
  border-radius: var(--radius-md);
  background: rgba(20, 33, 49, 0.7);
  padding: 1rem;
}

.side-card h2 {
  margin: 0 0 0.65rem;
  font-size: 0.98rem;
}

.side-card p,
.side-card li,
.side-card a {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.side-card ul {
  margin: 0;
  padding-left: 1.1rem;
}

.pager {
  margin-top: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
}

.pager a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 1rem;
  border-radius: 999px;
  border: 1px solid rgba(43, 61, 83, 0.75);
  color: var(--text-muted);
  background: rgba(20, 33, 49, 0.55);
  font-size: 0.9rem;
}

.pager a:hover {
  color: #f8fcff;
  border-color: rgba(31, 191, 150, 0.35);
  background: rgba(31, 191, 150, 0.12);
}

.pager span {
  color: var(--text-soft);
  font-size: 0.84rem;
}

.article-shell {
  border: 1px solid rgba(43, 61, 83, 0.75);
  border-radius: var(--radius-lg);
  background: rgba(20, 33, 49, 0.73);
  padding: clamp(1.2rem, 3vw, 2rem);
  box-shadow: var(--shadow-soft);
}

.breadcrumb {
  margin-bottom: 0.75rem;
  font-size: 0.83rem;
  color: var(--text-soft);
}

.article-title {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  line-height: 1.2;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

.article-meta {
  margin-top: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(43, 61, 83, 0.72);
  color: var(--text-soft);
  font-size: 0.78rem;
}

.article-summary {
  margin-top: 1rem;
  padding: 0.95rem 1rem;
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(31, 191, 150, 0.08);
  color: var(--text-muted);
}

.post-content {
  margin-top: 1.3rem;
  color: var(--text-main);
  font-size: 1rem;
}

.post-content h2,
.post-content h3,
.post-content h4 {
  margin-top: 1.8rem;
  margin-bottom: 0.7rem;
  line-height: 1.3;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
}

.post-content p {
  margin: 0.9rem 0;
  color: var(--text-muted);
}

.post-content ul,
.post-content ol {
  margin: 0.8rem 0;
  padding-left: 1.3rem;
  color: var(--text-muted);
}

.post-content blockquote {
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  border-left: 4px solid var(--accent);
  background: rgba(247, 178, 103, 0.1);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  overflow: auto;
}

.post-content th,
.post-content td {
  border: 1px solid rgba(43, 61, 83, 0.72);
  padding: 0.55rem 0.75rem;
}

.post-content code {
  padding: 0.08rem 0.32rem;
  border-radius: 6px;
  background: rgba(7, 13, 20, 0.7);
  color: #9fe8d4;
}

.site-footer {
  margin-top: 4.8rem;
  border-top: 1px solid rgba(43, 61, 83, 0.72);
  background: rgba(7, 13, 20, 0.78);
}

.footer-grid {
  padding: 2rem 0 1.3rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.footer-grid h2 {
  margin: 0 0 0.6rem;
  font-size: 0.96rem;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
}

.footer-grid p,
.footer-grid a {
  display: block;
  margin: 0.22rem 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-grid a:hover {
  color: #d9f7ee;
}

.footer-meta {
  border-top: 1px solid rgba(43, 61, 83, 0.6);
  padding: 0.8rem 0 1.2rem;
  color: var(--text-soft);
  font-size: 0.8rem;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  animation: fade-up 0.58s ease forwards;
}

.stagger > * {
  opacity: 0;
  transform: translateY(12px);
  animation: fade-up 0.58s ease forwards;
}

.stagger > *:nth-child(1) {
  animation-delay: 0.06s;
}

.stagger > *:nth-child(2) {
  animation-delay: 0.12s;
}

.stagger > *:nth-child(3) {
  animation-delay: 0.18s;
}

.stagger > *:nth-child(4) {
  animation-delay: 0.24s;
}

.stagger > *:nth-child(5) {
  animation-delay: 0.3s;
}

.stagger > *:nth-child(6) {
  animation-delay: 0.36s;
}

@keyframes fade-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1120px) {
  .news-layout {
    grid-template-columns: 1fr;
  }

  .header-cta {
    display: none;
  }
}

@media (max-width: 900px) {
  .hero-grid,
  .cta-banner {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .metric-grid,
  .news-grid,
  .download-grid,
  .faq-grid,
  .footer-grid,
  .quote-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 720px) {
  .container {
    width: min(1160px, calc(100% - 1.4rem));
  }

  .header-row {
    min-height: 68px;
    gap: 0.7rem;
  }

  .brand img {
    height: 34px;
  }

  .site-nav {
    margin-left: auto;
    gap: 0.1rem;
    padding: 0.26rem;
  }

  .nav-link {
    padding: 0.34rem 0.56rem;
    font-size: 0.8rem;
  }

  .section-block {
    padding: 3.5rem 0;
  }

  .hero {
    padding-top: 4rem;
  }

  .hero-meta,
  .feature-grid,
  .metric-grid,
  .news-grid,
  .download-grid,
  .faq-grid,
  .footer-grid,
  .quote-grid {
    grid-template-columns: 1fr;
  }

  .pager {
    flex-direction: column;
    align-items: stretch;
  }

  .pager a {
    width: 100%;
  }

  .cta-banner {
    padding: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .stagger > * {
    opacity: 1 !important;
    transform: none !important;
  }
}