:root {
  color-scheme: light;
  --ink: #1e1b4b;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #fafafe;
  --surface: #ffffff;
  --indigo: #6366f1;
  --violet: #8b5cf6;
  --teal: #14b8a6;
  --grad: linear-gradient(135deg, var(--indigo) 0%, var(--violet) 55%, var(--teal) 100%);
  --shadow: 0 20px 50px rgba(99, 102, 241, .12);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  background-image:
    radial-gradient(circle at 10% 0%, rgba(99, 102, 241, .08), transparent 40%),
    radial-gradient(circle at 90% 20%, rgba(20, 184, 166, .06), transparent 35%);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
}
.brand img { border-radius: 10px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: .94rem;
  color: var(--muted);
  font-weight: 600;
}
.nav a:hover { background: #eef2ff; color: var(--indigo); }

.hero-banner {
  position: relative;
  overflow: hidden;
  padding: 56px 0 88px;
  background: linear-gradient(125deg, #4f7cff 0%, #6b4cf6 42%, #7c3aed 100%);
  color: #fff;
}
.hero-banner-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-orb {
  position: absolute;
  border-radius: 50%;
  background: rgba(88, 28, 180, .35);
}
.hero-orb-1 { width: 280px; height: 280px; top: -60px; right: 12%; }
.hero-orb-2 { width: 180px; height: 180px; bottom: 10%; left: 45%; }
.hero-orb-3 { width: 120px; height: 120px; top: 30%; right: 38%; background: rgba(255, 255, 255, .08); }

.hero-banner-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}
.hero-banner-copy h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
}
.hero-cert {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 0;
  font-size: .95rem;
  color: rgba(255, 255, 255, .92);
}
.hero-cert em {
  font-style: normal;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.cert-badge {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
  background: radial-gradient(circle at 35% 35%, #fde68a, #f59e0b 55%, #b45309);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, .35);
}

.hero-stats {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 32px;
}
.stat-ring {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .75);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 2px;
}
.stat-ring strong {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.1;
}
.stat-ring span {
  font-size: .78rem;
  opacity: .92;
}

.hero-downloads {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 36px;
}
.dl-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 28px;
  border-radius: 999px;
  background: #fff;
  color: #2563eb;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 12px 32px rgba(15, 23, 42, .18);
  transition: transform .2s, box-shadow .2s;
}
.dl-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(15, 23, 42, .22);
}
.dl-icon { width: 22px; height: 22px; flex-shrink: 0; }
.dl-ribbon {
  position: absolute;
  top: -10px;
  left: 14px;
  padding: 3px 10px;
  border-radius: 6px;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #78350f;
  font-size: .68rem;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(0, 0, 0, .15);
}

.hero-showcase {
  position: relative;
  min-height: 360px;
  margin: 0;
}
.showcase-laptop {
  position: absolute;
  right: 0;
  top: 8px;
  width: 78%;
  z-index: 1;
}
.laptop-screen {
  position: relative;
  padding: 8px 8px 0;
  border-radius: 12px 12px 0 0;
  background: #e2e8f0;
  box-shadow: 0 24px 50px rgba(15, 23, 42, .28);
  overflow: hidden;
}
.laptop-bg {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 6px 6px 0 0;
  filter: blur(1px) brightness(1.05);
}
.laptop-base {
  height: 10px;
  margin: 0 auto;
  width: 108%;
  transform: translateX(-4%);
  border-radius: 0 0 10px 10px;
  background: linear-gradient(#cbd5e1, #94a3b8);
}
.float-panel {
  position: absolute;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, .18);
  font-size: .62rem;
  color: #334155;
}
.float-servers {
  left: 6%;
  top: 14%;
  width: 38%;
  padding: 8px 10px;
}
.float-title {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: .58rem;
  color: #64748b;
}
.float-servers ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.float-servers li {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 0;
  font-size: .56rem;
}
.float-connected {
  right: 6%;
  top: 22%;
  width: 42%;
  padding: 10px;
  text-align: center;
}
.float-brand {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  margin-bottom: 8px;
  font-size: .56rem;
  font-weight: 700;
}
.float-brand em {
  font-style: normal;
  padding: 1px 5px;
  border-radius: 999px;
  background: #fee2e2;
  color: #dc2626;
  font-size: .52rem;
}
.brand-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fb7185, #e11d48);
}
.float-rocket {
  width: 36px;
  height: 36px;
  margin: 0 auto 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fda4af, #f472b6);
  position: relative;
}
.float-rocket::after {
  content: "";
  position: absolute;
  inset: 10px;
  background: #fff;
  clip-path: polygon(50% 0, 62% 38%, 100% 42%, 72% 68%, 82% 100%, 50% 82%, 18% 100%, 28% 68%, 0 42%, 38% 38%);
}
.float-status {
  margin: 0 0 8px;
  font-weight: 700;
  font-size: .58rem;
  color: #1e293b;
}
.float-stop {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: #ef4444;
  color: #fff;
  font-weight: 700;
  font-size: .54rem;
}

.showcase-phone {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42%;
  z-index: 2;
}
.phone-shell {
  border-radius: 22px;
  padding: 8px 6px 10px;
  background: #0f172a;
  box-shadow: 0 22px 48px rgba(15, 23, 42, .42);
}
.phone-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 14px 14px 0 0;
  background: linear-gradient(90deg, #f472b6, #60a5fa);
  color: #fff;
  font-weight: 700;
  font-size: .72rem;
}
.phone-menu {
  width: 14px;
  height: 10px;
  border-top: 2px solid #fff;
  border-bottom: 2px solid #fff;
  box-shadow: 0 4px 0 #fff;
}
.phone-body {
  padding: 28px 12px 32px;
  background: linear-gradient(180deg, #eef2ff 0%, #f8fafc 100%);
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.phone-rocket {
  width: 88px;
  height: 88px;
  border: none;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #93c5fd, #2563eb 55%, #1d4ed8);
  color: #fff;
  font-weight: 700;
  font-size: .62rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  box-shadow: 0 0 0 8px rgba(37, 99, 235, .15), 0 12px 28px rgba(37, 99, 235, .35);
  cursor: default;
}
.rocket-icon {
  width: 22px;
  height: 22px;
  background: #fff;
  clip-path: polygon(50% 0, 62% 38%, 100% 42%, 72% 68%, 82% 100%, 50% 82%, 18% 100%, 28% 68%, 0 42%, 38% 38%);
}
.phone-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 8px 10px;
  background: #fff;
  border-radius: 0 0 14px 14px;
  font-size: .52rem;
  color: #64748b;
}
.phone-renew {
  padding: 3px 8px;
  border-radius: 999px;
  background: #2563eb;
  color: #fff;
  font-weight: 700;
  font-size: .5rem;
  white-space: nowrap;
}

.hero-wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 56px;
  background: var(--bg);
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  transform: scaleX(1.15);
}

.hero-split { padding: 56px 0 48px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .94rem;
  border: none;
  cursor: pointer;
}
.btn-fill { background: var(--grad); color: #fff; box-shadow: 0 10px 28px rgba(99, 102, 241, .28); }
.btn-line { background: #fff; color: var(--indigo); border: 2px solid #c7d2fe; }
.btn-soft { background: #eef2ff; color: var(--indigo); padding: 0 18px; min-height: 40px; font-size: .88rem; }
.btn-light { background: #fff; color: var(--indigo); }

.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.anchor-nav a {
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: .84rem;
  color: var(--muted);
  font-weight: 600;
}
.anchor-nav a:hover { border-color: #c7d2fe; color: var(--indigo); }

.hero-visual {
  margin: 0;
  padding: 12px;
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
  border: 1px solid #eef2ff;
}
.hero-visual img {
  border-radius: 16px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.section { padding: 56px 0; }
.section-alt { background: rgba(255, 255, 255, .72); }
.section-head { margin-bottom: 28px; }
.section-head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 1.9rem);
  letter-spacing: -.02em;
}
.section-head p { margin: 10px 0 0; color: var(--muted); max-width: 540px; line-height: 1.7; }
.row-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }

.platform-deck {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}
.platform-card {
  grid-column: span 3;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(30, 27, 75, .06);
  display: flex;
  flex-direction: column;
}
.platform-card.featured { grid-column: span 6; }
.platform-card img { width: 100%; height: 150px; object-fit: cover; }
.platform-card.featured img { height: 180px; }
.platform-body { padding: 20px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.platform-body h3 { margin: 0; font-size: 1.05rem; }
.platform-body p { margin: 0; color: var(--muted); line-height: 1.65; font-size: .93rem; flex: 1; }
.text-link {
  align-self: flex-start;
  color: var(--indigo);
  font-weight: 700;
  font-size: .88rem;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.scenario-item {
  display: flex;
  gap: 12px;
  padding: 20px;
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.scenario-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--grad);
  margin-top: 6px;
  flex-shrink: 0;
}
.scenario-item h3 { margin: 0 0 6px; font-size: .98rem; }
.scenario-item p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.6; }

.magazine-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.mag-card {
  grid-column: span 3;
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .2s, box-shadow .2s;
}
.mag-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.mag-featured { grid-column: span 6; grid-row: span 2; }
.mag-medium { grid-column: span 3; }
.mag-compact { grid-column: span 3; }
.mag-thumb img { width: 100%; height: 140px; object-fit: cover; }
.mag-featured .mag-thumb img { height: 240px; }
.mag-body { padding: 16px 18px 20px; flex: 1; }
.mag-body time { color: var(--muted); font-size: .82rem; }
.mag-body h3 { margin: 8px 0; font-size: 1rem; line-height: 1.45; }
.mag-featured .mag-body h3 { font-size: 1.2rem; }
.mag-body h3 a:hover { color: var(--indigo); }
.mag-body p {
  margin: 0;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.mag-featured .mag-body p { -webkit-line-clamp: 3; }

.topic-row { display: flex; flex-wrap: wrap; gap: 10px; }
.topic-chip {
  padding: 10px 18px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-weight: 600;
  font-size: .9rem;
}
.topic-chip:hover { border-color: #c7d2fe; color: var(--indigo); }
.topic-accent { background: #eef2ff; border-color: #c7d2fe; color: var(--indigo); }

.cta-band {
  padding: 48px 0 64px;
  background: var(--grad);
  color: #fff;
  text-align: center;
}
.cta-inner h2 { margin: 0; font-size: 1.6rem; }
.cta-inner p { margin: 12px 0 24px; opacity: .9; }

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 28px;
  padding: 48px 0;
  align-items: start;
}
.article-main, .article-aside {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 12px 36px rgba(30, 27, 75, .06);
}
.article-main { padding: clamp(24px, 4vw, 44px); }
.article-main h1 { font-size: clamp(1.75rem, 4vw, 2.6rem); margin: 0 0 12px; line-height: 1.15; }
.article-main h2 { margin-top: 32px; font-size: 1.3rem; }
.article-main h3 { margin-top: 22px; font-size: 1.08rem; }
.eyebrow {
  margin: 0 0 10px;
  color: var(--indigo);
  font-weight: 700;
  font-size: .86rem;
  letter-spacing: .05em;
}
.meta-line { color: var(--muted); margin: 0 0 24px; }
.hero-img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  border-radius: 14px;
  margin: 0 0 28px;
}
.article-aside { position: sticky; top: 80px; padding: 20px; }
.article-aside h2 { margin: 18px 0 10px; font-size: .92rem; }
.article-aside h2:first-child { margin-top: 0; }
.article-aside a {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: #475569;
  font-size: .9rem;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-row a {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--indigo);
  font-size: .82rem;
  font-weight: 600;
  border: none;
}

.video-block {
  margin-top: 36px;
  padding: 22px;
  border-radius: 14px;
  background: #f0fdfa;
  border: 1px solid #99f6e4;
}
.video-shell {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  background: var(--ink);
  aspect-ratio: 16 / 9;
}
.video-poster img { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.video-poster span {
  position: absolute;
  left: 18px;
  bottom: 16px;
  padding: 8px 14px;
  border-radius: 999px;
  background: #fff;
  font-weight: 700;
  font-size: .86rem;
}

.list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.list-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  padding: 18px;
  box-shadow: 0 10px 28px rgba(30, 27, 75, .05);
}
.list-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 14px;
}
.list-card time { color: var(--muted); font-size: .84rem; }
.list-card h2, .list-card h3 { margin: 8px 0; font-size: 1.04rem; }
.list-card p { margin: 0; color: var(--muted); line-height: 1.6; font-size: .91rem; }
.link-btn {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 14px;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--indigo);
  font-weight: 700;
  font-size: .86rem;
}

.site-footer {
  margin-top: 0;
  padding: 44px 0;
  background: var(--ink);
  color: #e2e8f0;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 28px;
}
.footer-grid h2 { margin: 0 0 10px; font-size: 1.08rem; }
.footer-grid p { margin: 0; color: #94a3b8; max-width: 460px; line-height: 1.7; }
.footer-grid nav { display: grid; gap: 8px; min-width: 150px; }
.footer-grid nav a { color: #cbd5e1; font-size: .9rem; }

@media (max-width: 960px) {
  .hero-banner-grid { grid-template-columns: 1fr; }
  .hero-showcase { min-height: 300px; margin-top: 8px; }
  .showcase-laptop { width: 88%; right: -4%; }
  .showcase-phone { width: 48%; }
  .platform-card, .platform-card.featured { grid-column: span 6; }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .mag-featured, .mag-medium, .mag-compact { grid-column: span 6; }
  .page-layout { grid-template-columns: 1fr; }
  .article-aside { position: static; }
  .list-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1160px); }
  .header-inner, .footer-grid { flex-direction: column; align-items: flex-start; }
  .platform-card, .platform-card.featured { grid-column: span 12; }
  .scenario-grid, .list-grid { grid-template-columns: 1fr; }
  .mag-featured, .mag-medium, .mag-compact { grid-column: span 12; }
  .hero-banner { padding: 40px 0 72px; }
  .hero-stats { gap: 12px; }
  .stat-ring { width: 84px; height: 84px; }
  .dl-btn { width: 100%; justify-content: center; }
  .hero-split { padding: 36px 0; }
}
