:root {
  --ink: #111827;
  --muted: #6b7280;
  --soft: #f5f8ff;
  --line: #e6edf7;
  --panel: #ffffff;
  --blue: #2f80ed;
  --blue-dark: #1769d4;
  --cyan: #18b6d9;
  --green: #16b57f;
  --shadow: 0 20px 50px rgba(31, 90, 166, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  height: 76px;
  padding: 0 clamp(20px, 6vw, 96px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(230, 237, 247, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #0f172a;
  font-size: 18px;
  font-weight: 800;
}

.brand::before {
  content: "";
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 10px 22px rgba(47, 128, 237, 0.25);
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #4b5563;
  font-size: 15px;
}

nav a:hover {
  color: var(--blue);
}

.nav-download {
  min-height: 38px;
  padding: 7px 14px;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
}

.nav-download:hover {
  color: #fff;
  background: var(--blue-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.86fr);
  align-items: center;
  gap: clamp(36px, 6vw, 86px);
  min-height: 640px;
  padding: clamp(52px, 8vw, 108px) clamp(20px, 6vw, 96px) clamp(38px, 7vw, 86px);
  overflow: hidden;
  background:
    radial-gradient(circle at 92% 16%, rgba(47, 128, 237, 0.12), transparent 28%),
    linear-gradient(180deg, #f7fbff 0%, #ffffff 72%);
}

.hero img {
  order: 2;
  width: 100%;
  min-width: 0;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-copy {
  order: 1;
  max-width: 690px;
}

.eyebrow,
.label {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: #eaf3ff;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 980px;
  margin-bottom: 22px;
  color: #0f172a;
  font-size: clamp(40px, 5.8vw, 72px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  color: #111827;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.24;
}

h3 {
  color: #111827;
  font-size: 20px;
  line-height: 1.35;
}

.hero p:not(.eyebrow),
.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid #d7e4f7;
  border-radius: 8px;
  background: #fff;
  color: var(--blue);
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(47, 128, 237, 0.08);
}

.button.primary {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  box-shadow: 0 14px 30px rgba(47, 128, 237, 0.24);
}

.button.large {
  min-height: 56px;
  padding: 0 30px;
  font-size: 17px;
}

.button:hover {
  border-color: var(--blue);
  transform: translateY(-1px);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-badges span {
  min-height: 34px;
  padding: 5px 12px;
  border: 1px solid #d9e8fb;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: #334155;
  font-size: 14px;
  font-weight: 700;
}

.band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 1180px;
  margin: -34px auto 0;
  padding: 0 20px;
  gap: 18px;
  background: transparent;
  position: relative;
  z-index: 2;
}

.stats div {
  min-height: 118px;
  padding: 26px 30px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.stats strong {
  display: block;
  color: var(--blue);
  font-size: 38px;
  line-height: 1.1;
}

.stats span,
.article-card small,
.category-tile span,
.meta,
.section-desc {
  color: var(--muted);
}

.download-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  max-width: 1180px;
  margin: 34px auto 0;
  padding: 34px;
  background: linear-gradient(135deg, #f2f7ff, #ffffff);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.download-strip h2 {
  margin-bottom: 8px;
}

.download-strip p {
  margin-bottom: 0;
  color: var(--muted);
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.compact-home {
  padding-top: clamp(44px, 6vw, 72px);
  padding-bottom: clamp(44px, 6vw, 72px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.feature-card {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.04);
}

.feature-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 8px;
  background: #eaf3ff;
  color: var(--blue);
  font-weight: 900;
}

.feature-card p,
.home-final-cta p,
.safety-band p,
.source-note {
  color: var(--muted);
}

.center-actions {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}

.safety-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 38px 42px;
  border: 1px solid rgba(22, 181, 127, 0.28);
  border-radius: 8px;
  background: linear-gradient(135deg, #f2fff9, #ffffff);
  box-shadow: var(--shadow);
}

.safety-band h2 {
  margin-bottom: 10px;
}

.safety-band p {
  max-width: 760px;
  margin-bottom: 0;
}

.home-final-cta {
  max-width: 1180px;
  margin: 0 auto clamp(56px, 8vw, 96px);
  padding: clamp(42px, 7vw, 72px);
  text-align: center;
  border-radius: 8px;
  background:
    radial-gradient(circle at 78% 18%, rgba(24, 182, 217, 0.16), transparent 30%),
    linear-gradient(135deg, #0f172a, #1f3b68);
  color: #fff;
}

.home-final-cta h2 {
  color: #fff;
}

.home-final-cta p {
  margin-bottom: 26px;
  color: rgba(255, 255, 255, 0.76);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.news-grid-list {
  margin-top: 28px;
}

.news-card {
  display: flex;
  min-height: 420px;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.04);
}

.news-grid:not(.news-grid-list) .news-card:first-child {
  grid-column: span 2;
}

.news-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #eaf3ff;
}

.news-card .news-meta,
.news-card h3,
.news-card p,
.news-card .news-tags,
.news-card a {
  margin-left: 24px;
  margin-right: 24px;
}

.news-card h3 {
  margin-bottom: 12px;
}

.news-card p {
  color: var(--muted);
}

.news-card a {
  margin-top: auto;
  margin-bottom: 24px;
  color: var(--blue);
  font-weight: 800;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
}

.news-meta strong {
  color: var(--green);
}

.news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 18px;
}

.news-tags span {
  padding: 4px 9px;
  border-radius: 999px;
  background: #eaf3ff;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.source-note {
  margin-top: 18px;
  font-size: 14px;
}

.download-page {
  background: linear-gradient(180deg, #f7fbff 0%, #ffffff 42%);
}

.download-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  align-items: center;
  gap: clamp(30px, 6vw, 82px);
  max-width: 1260px;
  margin: 0 auto;
  padding: clamp(58px, 9vw, 118px) clamp(20px, 6vw, 96px);
}

.download-panel,
.step-grid article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.download-panel {
  padding: 30px;
}

.download-panel strong {
  display: block;
  margin-bottom: 16px;
  font-size: 24px;
}

.download-panel li {
  margin: 10px 0;
  color: var(--muted);
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.step-grid article {
  padding: 26px;
}

.step-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 8px;
  background: #eaf3ff;
  color: var(--blue);
  font-weight: 900;
}

.content-section,
.page,
.article-page {
  max-width: 1260px;
  margin: 0 auto;
  padding: clamp(56px, 8vw, 104px) clamp(20px, 6vw, 96px);
}

.compact {
  padding-left: 0;
  padding-right: 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.section-head a {
  color: var(--blue);
  font-weight: 800;
}

.category-grid,
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.category-tile,
.article-card a,
.takeaways,
.related {
  display: block;
  height: 100%;
  padding: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.04);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.category-tile {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
}

.category-tile::before {
  content: "";
  display: block;
  width: 38px;
  height: 38px;
  margin-bottom: 22px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(47, 128, 237, 0.14), rgba(24, 182, 217, 0.2));
}

.category-tile strong,
.category-tile span,
.category-tile em {
  display: block;
}

.category-tile strong {
  margin-bottom: 8px;
  font-size: 22px;
}

.category-tile em {
  margin-top: 20px;
  color: var(--green);
  font-style: normal;
  font-weight: 800;
}

.article-card p {
  color: var(--muted);
}

.article-card a:hover,
.category-tile:hover {
  border-color: rgba(47, 128, 237, 0.55);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.article-page {
  display: grid;
  grid-template-columns: minmax(0, 820px) minmax(280px, 340px);
  align-items: start;
  gap: 36px;
}

.article-shell {
  max-width: 820px;
}

.article-shell h1 {
  font-size: clamp(34px, 5vw, 56px);
}

.breadcrumb {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--blue);
  font-weight: 800;
}

.takeaways {
  margin: 34px 0;
  background: #f4f9ff;
}

.article-shell p,
.article-shell li {
  font-size: 18px;
}

.related {
  position: sticky;
  top: 96px;
}

.related h2 {
  font-size: 24px;
}

.related .article-card {
  margin-top: 14px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 36px clamp(20px, 6vw, 96px);
  color: var(--muted);
  background: #f7fbff;
  border-top: 1px solid var(--line);
}

@media (max-width: 960px) {
  .hero,
  .category-grid,
  .article-grid,
  .article-page,
  .download-hero,
  .step-grid,
  .feature-grid,
  .news-grid,
  .band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero img {
    order: 1;
  }

  .hero-copy {
    order: 2;
  }

  .band {
    margin-top: 0;
    padding-top: 20px;
  }

  .topbar,
  .footer,
  .download-strip,
  .safety-band {
    height: auto;
    align-items: flex-start;
    flex-direction: column;
    padding-top: 18px;
    padding-bottom: 18px;
  }

  nav {
    flex-wrap: wrap;
    gap: 16px;
  }

  .download-actions {
    justify-content: flex-start;
  }

.related {
    position: static;
  }
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}

th,
td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: #0f172a;
  background: #f7fbff;
  font-size: 14px;
}

td a {
  color: var(--blue);
  font-weight: 800;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 28px 0;
}

.score-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.score-panel div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbff;
}

.score-panel strong {
  display: block;
  color: #0f172a;
  font-size: 30px;
  line-height: 1.1;
}

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

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-list article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.faq-list h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.faq-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.footer {
  flex-wrap: wrap;
  align-items: center;
}

.footer strong {
  color: #0f172a;
}

@media (max-width: 960px) {
  .two-col,
  .score-panel {
    grid-template-columns: 1fr;
  }
}