:root {
  color-scheme: dark;
  --bg: #0B1E19;
  --bg-deep: #1C2321;
  --panel: rgba(28, 35, 33, 0.96);
  --panel-strong: rgba(11, 30, 25, 0.98);
  --line: #2A4B7C;
  --line-soft: rgba(42, 75, 124, 0.56);
  --text: #FFFFFF;
  --muted: #AAB8B0;
  --soft: #E8EFEA;
  --green: #BDEFD2;
  --red: #FF3B30;
  --purple: #8B5CF6;
  --shadow: rgba(0, 0, 0, 0.42);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(ellipse at 18% 12%, rgba(255, 255, 255, 0.07), transparent 18%),
    radial-gradient(ellipse at 82% 18%, rgba(139, 92, 246, 0.11), transparent 24%),
    radial-gradient(ellipse at 78% 92%, rgba(255, 59, 48, 0.08), transparent 26%),
    repeating-linear-gradient(115deg, rgba(42, 75, 124, 0.18) 0 1px, transparent 1px 18px),
    linear-gradient(160deg, var(--bg), var(--bg-deep) 62%, #0B1E19);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.68;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 8% 72%, rgba(42, 75, 124, 0.38) 0 2px, transparent 3px),
    radial-gradient(circle at 92% 28%, rgba(255, 255, 255, 0.22) 0 1px, transparent 2px),
    linear-gradient(rgba(42, 75, 124, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 75, 124, 0.12) 1px, transparent 1px);
  background-size: 170px 170px, 130px 130px, 42px 42px, 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 92%);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background: linear-gradient(rgba(255,255,255,0.032) 50%, transparent 50%);
  background-size: 100% 4px;
  opacity: 0.24;
}

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

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

button {
  font: inherit;
}

.site-shell {
  overflow: clip;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(11, 30, 25, 0.92);
  backdrop-filter: blur(16px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(100% - 32px, var(--max));
  min-height: 70px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 38px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(42, 75, 124, 0.9);
  border-radius: 6px;
  color: var(--text);
  background: #1C2321;
  box-shadow:
    inset 0 0 18px rgba(42, 75, 124, 0.26),
    0 0 0 1px rgba(255, 255, 255, 0.04);
}

.brand-mark img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.brand-text {
  overflow: hidden;
  max-width: 260px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a,
.site-nav button,
.chip-button,
.ghost-button,
.back-link {
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--soft);
  background: transparent;
  cursor: pointer;
}

.site-nav a,
.site-nav button {
  padding: 9px 12px;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav button:hover,
.back-link:hover {
  border-color: var(--line-soft);
  color: #fff;
  background: rgba(42, 75, 124, 0.34);
}

.nav-download,
.chip-button {
  border-color: rgba(255, 59, 48, 0.72) !important;
  color: #fff !important;
  background:
    linear-gradient(135deg, rgba(255, 59, 48, 0.94), rgba(255, 59, 48, 0.72) 46%, rgba(139, 92, 246, 0.88)) !important;
  box-shadow:
    0 10px 28px rgba(255, 59, 48, 0.18),
    3px 3px 0 rgba(139, 92, 246, 0.36);
}

.nav-toggle {
  display: none;
  width: 44px;
  aspect-ratio: 1;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  background: rgba(28, 35, 33, 0.94);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100vh - 70px);
  padding: 58px 0 44px;
  place-items: center;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
  background:
    radial-gradient(ellipse at 22% 32%, rgba(255, 255, 255, 0.08), transparent 18%),
    radial-gradient(ellipse at 16% 78%, rgba(255, 59, 48, 0.12), transparent 16%),
    radial-gradient(ellipse at 84% 42%, rgba(42, 75, 124, 0.32), transparent 24%),
    linear-gradient(168deg, rgba(11, 30, 25, 0.96), rgba(28, 35, 33, 0.94)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.024) 0 1px, transparent 1px 18px);
  opacity: 1;
}

.hero::after {
  position: absolute;
  inset: 36px min(5vw, 70px);
  z-index: -1;
  content: "";
  border: 1px solid rgba(42, 75, 124, 0.54);
  border-radius: 8px;
  background:
    linear-gradient(90deg, transparent 0 18%, rgba(42, 75, 124, 0.2) 18% 18.4%, transparent 18.4% 100%),
    linear-gradient(0deg, transparent 0 72%, rgba(255, 255, 255, 0.06) 72% 72.4%, transparent 72.4% 100%);
  box-shadow:
    inset 0 0 0 2px rgba(11, 30, 25, 0.7),
    inset 0 0 80px rgba(0, 0, 0, 0.42);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 34px;
  align-items: center;
  width: min(100% - 32px, var(--max));
}

.hero-copy {
  max-width: 720px;
  padding: 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(28, 35, 33, 0.94), rgba(11, 30, 25, 0.9)),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 5px);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.46);
}

.eyebrow,
.window-label,
.kicker {
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before,
.kicker::before {
  content: "[";
  color: var(--red);
}

.eyebrow::after,
.kicker::after {
  content: "]";
  color: var(--purple);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  margin-top: 16px;
  font-size: clamp(2.2rem, 6vw, 5.4rem);
  text-shadow:
    2px 0 0 rgba(255, 59, 48, 0.3),
    -2px 0 0 rgba(139, 92, 246, 0.26),
    0 14px 42px rgba(0, 0, 0, 0.45);
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2.45rem);
}

h3 {
  font-size: 1.08rem;
}

p {
  margin: 0;
  color: var(--muted);
}

.hero-subtitle {
  margin-top: 16px;
  color: #FFFFFF;
  font-size: clamp(1.05rem, 2.2vw, 1.45rem);
  font-weight: 700;
}

.hero-lead {
  max-width: 680px;
  margin-top: 18px;
  color: var(--soft);
  font-size: 1.02rem;
}

.hero-actions,
.section-actions,
.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 26px;
}

.chip-button,
.ghost-button,
.back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 120px;
  padding: 10px 16px;
  font-weight: 800;
}

.ghost-button,
.back-link {
  border-color: var(--line-soft);
  background: rgba(28, 35, 33, 0.86);
}

.meta-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 30px;
}

.meta-strip span,
.stat-card,
.mini-card,
.index-card,
.faq-item,
.log-item,
.step-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(28, 35, 33, 0.88);
  box-shadow: 0 18px 38px var(--shadow);
}

.meta-strip span {
  min-height: 70px;
  padding: 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

.meta-strip strong {
  display: block;
  color: var(--text);
  font-size: 1rem;
}

.crt-window {
  border: 1px solid rgba(42, 75, 124, 0.82);
  border-radius: var(--radius);
  overflow: hidden;
  background: #0B1E19;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.48),
    inset 0 0 40px rgba(42, 75, 124, 0.22),
    9px 9px 0 rgba(28, 35, 33, 0.88);
}

.crt-header,
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 42px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(90deg, rgba(42, 75, 124, 0.72), rgba(28, 35, 33, 0.96)),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 7px);
}

.crt-dots {
  display: flex;
  gap: 6px;
}

.crt-dots i {
  width: 9px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--red);
}

.crt-dots i:nth-child(2) {
  background: var(--text);
}

.crt-dots i:nth-child(3) {
  background: var(--purple);
}

.crt-screen {
  padding: 14px;
}

.crt-screen picture {
  overflow: hidden;
  border: 1px solid rgba(42, 75, 124, 0.68);
  border-radius: 6px;
  background: #071310;
}

.crt-screen img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.boot-cable {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 14px;
  padding: 13px 14px;
  border: 1px dashed rgba(255, 255, 255, 0.68);
  border-radius: 6px;
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(42, 75, 124, 0.18), rgba(255, 59, 48, 0.12)),
    rgba(28, 35, 33, 0.92);
  cursor: pointer;
}

.boot-cable:hover {
  box-shadow:
    inset 0 0 0 1px rgba(255, 59, 48, 0.48),
    0 0 26px rgba(139, 92, 246, 0.2);
}

.section,
.page-hero {
  padding: 74px 0;
}

.section.alt {
  background:
    linear-gradient(90deg, rgba(42, 75, 124, 0.12), transparent),
    rgba(28, 35, 33, 0.42);
}

.container {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-head p {
  max-width: 650px;
}

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.88fr);
  gap: 24px;
  align-items: start;
}

.grid-3,
.index-grid,
.feature-grid,
.steps-grid,
.gallery-grid,
.fact-grid {
  display: grid;
  gap: 16px;
}

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

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

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

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

.panel,
.content-panel {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(28, 35, 33, 0.96), rgba(11, 30, 25, 0.92)),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.022) 0 1px, transparent 1px 6px);
  box-shadow: 0 20px 48px var(--shadow);
}

.panel-body,
.content-panel {
  padding: 22px;
}

.content-panel > * + * {
  margin-top: 16px;
}

.terminal-list,
.clean-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.terminal-list li,
.clean-list li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
}

.terminal-list li::before,
.clean-list li::before {
  position: absolute;
  left: 0;
  color: var(--text);
  content: ">";
}

.feature-card,
.index-card,
.stat-card,
.mini-card,
.step-card,
.log-item,
.faq-item {
  position: relative;
}

.feature-card::before,
.index-card::before,
.step-card::before,
.log-item::before {
  position: absolute;
  top: 0;
  right: 14px;
  width: 34px;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--red), var(--purple));
}

.feature-card,
.index-card,
.stat-card,
.mini-card,
.step-card,
.log-item {
  padding: 18px;
}

.feature-card h3,
.index-card h3,
.stat-card strong,
.mini-card strong,
.step-card h3 {
  color: #fff;
}

.feature-card p,
.index-card p,
.step-card p,
.log-item p {
  margin-top: 8px;
}

.stat-card span,
.mini-card span,
.log-date {
  display: block;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 800;
}

.screen-card {
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(11, 30, 25, 0.92);
  box-shadow: inset 0 0 34px rgba(42, 75, 124, 0.2);
}

.screen-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.screen-card figcaption {
  padding: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  overflow: hidden;
}

.faq-item summary {
  min-height: 58px;
  padding: 16px 18px;
  color: var(--text);
  font-weight: 800;
  cursor: pointer;
}

.faq-item p {
  padding: 0 18px 18px;
}

.page-hero {
  background:
    radial-gradient(ellipse at 16% 26%, rgba(255, 255, 255, 0.06), transparent 18%),
    radial-gradient(ellipse at 86% 16%, rgba(139, 92, 246, 0.1), transparent 22%),
    linear-gradient(135deg, rgba(42, 75, 124, 0.22), transparent 42%),
    linear-gradient(160deg, rgba(11, 30, 25, 0.98), rgba(28, 35, 33, 0.96));
  border-bottom: 1px solid var(--line-soft);
}

.page-hero-inner {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.page-hero h1 {
  margin-top: 12px;
  font-size: clamp(2rem, 5vw, 4.2rem);
}

.page-hero p {
  max-width: 760px;
  margin-top: 14px;
  color: var(--soft);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 4px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 24px;
}

.side-rail {
  position: sticky;
  top: 92px;
  align-self: start;
}

.side-rail .panel-body {
  display: grid;
  gap: 12px;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table th,
.info-table td {
  padding: 12px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
}

.info-table th {
  width: 34%;
  color: var(--text);
}

.friends {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.friends a {
  padding: 8px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  color: var(--muted);
  background: rgba(28, 35, 33, 0.78);
}

.friends a:hover {
  color: #fff;
  border-color: rgba(255, 59, 48, 0.45);
}

.site-footer {
  padding: 42px 0;
  border-top: 1px solid var(--line-soft);
  background:
    linear-gradient(90deg, rgba(255, 59, 48, 0.1), transparent 24%, rgba(139, 92, 246, 0.08)),
    #0B1E19;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.footer-inner p {
  margin-top: 6px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1060px) {
  .hero-inner,
  .grid-2,
  .article-layout {
    grid-template-columns: 1fr;
  }

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

  .side-rail {
    position: static;
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 70px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    background: rgba(7, 19, 16, 0.98);
  }

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

  .site-nav a,
  .site-nav button {
    width: 100%;
    text-align: left;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  .hero-inner {
    gap: 22px;
  }

  .meta-strip,
  .grid-3,
  .feature-grid,
  .gallery-grid,
  .fact-grid {
    grid-template-columns: 1fr;
  }

  .section-head,
  .footer-inner {
    display: grid;
  }
}

@media (max-width: 560px) {
  .topbar-inner,
  .container,
  .page-hero-inner,
  .footer-inner,
  .hero-inner {
    width: min(100% - 24px, var(--max));
  }

  .brand-text {
    max-width: 188px;
  }

  .index-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .page-hero {
    padding: 52px 0;
  }

  .panel-body,
  .content-panel {
    padding: 16px;
  }

  .hero-actions,
  .section-actions,
  .page-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .chip-button,
  .ghost-button,
  .back-link {
    width: 100%;
  }
}

.my-news-home-section,
.my-news-page {
  color: var(--text);
}

a[data-seo-managed="download-link"] {
  text-decoration: none;
}

.my-news-home-section {
  border-top: 1px solid var(--line-soft);
  background: rgba(11, 30, 25, .62);
}

.my-news-home-inner,
.my-news-shell {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 38px 0;
}

.my-news-shell {
  max-width: 900px;
  min-height: 100vh;
  padding-top: 48px;
}

.my-news-home-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.my-news-home-head h2,
.my-news-header h1,
.my-news-article h1 {
  margin: 0;
  color: var(--text);
}

.my-news-home-head h2,
.my-news-header h1 {
  font-size: 30px;
}

.my-news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.my-news-card,
.my-news-article {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 14px 34px var(--shadow);
}

.my-news-card h3,
.my-news-card h2 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 19px;
  overflow-wrap: anywhere;
}

.my-news-card time,
.my-news-meta {
  color: var(--muted);
  font-size: 14px;
}

.my-news-card p,
.my-news-summary,
.my-news-content {
  color: var(--soft);
}

.my-news-card a,
.my-news-back,
.my-news-nav a,
.my-news-all {
  color: var(--green);
  font-weight: 700;
}

.my-news-article h1 {
  margin: 12px 0;
  font-size: 34px;
  overflow-wrap: anywhere;
}

.my-news-summary {
  font-weight: 700;
}

.my-news-content {
  line-height: 1.9;
}

.my-news-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

.download-confirm-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, .72);
}

.download-confirm-panel {
  width: min(440px, 100%);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--text);
  box-shadow: 0 22px 54px rgba(0, 0, 0, .5);
}

.download-confirm-panel h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.download-confirm-panel p {
  margin: 0;
  color: var(--muted);
}

.download-confirm-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.download-confirm-actions button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.download-confirm-cancel {
  background: transparent;
  color: var(--text);
}

.download-confirm-continue {
  border-color: var(--green) !important;
  background: var(--green);
  color: #10221d;
}

.download-confirm-actions button:focus-visible,
.my-news-page a:focus-visible,
.my-news-home-section a:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 3px;
}

@media (max-width: 760px) {
  .my-news-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 540px) {
  .my-news-home-inner,
  .my-news-shell {
    width: calc(100% - 28px);
    padding-top: 30px;
    padding-bottom: 30px;
  }

  .my-news-home-head {
    align-items: flex-start;
  }

  .my-news-article h1 {
    font-size: 28px;
  }
}