:root {
  color-scheme: light;
  --bg: #f6fbff;
  --bg-2: #eaf6ff;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-solid: #ffffff;
  --line: rgba(16, 33, 43, 0.13);
  --text: #10212b;
  --muted: #60717b;
  --soft: #344a55;
  --green: #0f9f6e;
  --pink: #e84d5b;
  --blue: #1677ff;
  --amber: #d89614;
  --danger: #d9364e;
  --radius: 8px;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.46);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 4%, rgba(22, 119, 255, 0.13), transparent 28rem),
    radial-gradient(circle at 86% 12%, rgba(232, 77, 91, 0.1), transparent 24rem),
    radial-gradient(circle at 50% 92%, rgba(15, 159, 110, 0.09), transparent 30rem),
    linear-gradient(180deg, #f8fcff 0%, #eef8ff 45%, #f6fbff 100%);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(16, 33, 43, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 33, 43, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 76%);
  z-index: -1;
}

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

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

button,
.btn {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  z-index: 50;
  padding: 10px 14px;
  background: var(--green);
  color: #02140b;
}

.skip-link:focus {
  left: 10px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 12, 0.88);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(100% - 32px, var(--max));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-grid;
  gap: 0;
  line-height: 1.05;
}

.brand strong {
  font-size: 1.05rem;
  letter-spacing: 0;
}

.brand span {
  color: var(--green);
  font-size: 0.76rem;
}

.nav-toggle {
  display: none;
  width: 44px;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--soft);
  font-size: 0.94rem;
}

.nav-links a {
  padding: 7px 0;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--green);
  border-bottom-color: var(--green);
}

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid rgba(240, 68, 94, 0.72);
  border-radius: var(--radius);
  padding: 10px 18px;
  background: linear-gradient(135deg, #f0445e, #d93a33 52%, #8b2f1f);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 0 18px rgba(240, 68, 94, 0.28);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.btn:hover,
.btn:focus {
  transform: translateY(-1px);
  border-color: var(--amber);
  box-shadow: 0 0 22px rgba(243, 199, 102, 0.2), 0 0 24px rgba(240, 68, 94, 0.28);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(62, 183, 255, 0.42);
  color: var(--blue);
  box-shadow: none;
}

.hero {
  min-height: calc(100svh - 68px);
  display: grid;
  align-items: end;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 11, 12, 0.98) 0%, rgba(8, 11, 12, 0.76) 42%, rgba(8, 11, 12, 0.2) 100%),
    linear-gradient(0deg, rgba(8, 11, 12, 0.96) 0%, rgba(8, 11, 12, 0.24) 45%, rgba(8, 11, 12, 0.42) 100%);
  z-index: 1;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 82px 0 74px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: var(--green);
  font-size: 0.9rem;
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 38px;
  height: 2px;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
}

h1,
h2,
h3 {
  line-height: 1.22;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.35rem, 7vw, 5.7rem);
  text-shadow: 0 0 24px rgba(62, 183, 255, 0.34), 0 0 20px rgba(240, 68, 94, 0.18);
}

.hero-subtitle {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--soft);
  font-size: clamp(1.04rem, 2.1vw, 1.34rem);
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 760px;
  margin-top: 34px;
}

.meta-tile,
.info-tile,
.mini-card,
.faq-item,
.timeline-item,
.question-block,
.step-item {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.meta-tile::after,
.info-tile::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  top: 0;
  height: 3px;
  border-radius: 0 0 999px 999px;
  background: linear-gradient(90deg, var(--blue), var(--green));
  opacity: 0.65;
}

.meta-tile {
  padding: 13px 14px;
}

.meta-tile span,
.info-tile span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.meta-tile strong,
.info-tile strong {
  display: block;
  margin-top: 12px;
  color: var(--text);
  font-size: 1.02rem;
  line-height: 1.35;
}

main {
  overflow: hidden;
}

.section {
  padding: 74px 0;
}

.section.alt {
  background: rgba(255, 255, 255, 0.025);
  border-block: 1px solid rgba(255, 255, 255, 0.06);
}

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

.section-head {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head h2,
.content-page h1 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.section-head p,
.lead {
  margin: 12px 0 0;
  color: var(--soft);
  font-size: 1.03rem;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 28px;
  align-items: center;
}

.text-block p {
  margin: 0 0 14px;
  color: var(--soft);
}

.highlight-list,
.plain-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.highlight-list li,
.plain-list li {
  padding-left: 22px;
  position: relative;
  color: var(--soft);
}

.highlight-list li::before,
.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px rgba(0, 255, 102, 0.72);
}

.media-frame {
  border: 1px solid rgba(62, 183, 255, 0.24);
  border-radius: var(--radius);
  overflow: hidden;
  background: #050809;
  box-shadow: var(--shadow);
}

.media-frame img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.caption {
  padding: 10px 12px;
  color: var(--muted);
  font-size: 0.88rem;
  border-top: 1px solid var(--line);
}

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

.info-tile {
  padding: 16px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.mini-card {
  position: relative;
  padding: 20px;
  overflow: hidden;
}

.mini-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--blue), var(--amber), var(--pink));
  opacity: 0.72;
}

.mini-card h3 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 1.12rem;
}

.mini-card p {
  margin: 0;
  color: var(--soft);
}

.strategy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.step-item {
  padding: 18px;
}

.step-item b {
  color: var(--green);
}

.step-item h3 {
  margin: 4px 0 8px;
  color: var(--text);
}

.step-item p {
  margin: 0;
  color: var(--soft);
}

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

.gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #050809;
}

.gallery img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.gallery figure:hover img {
  transform: scale(1.035);
}

.gallery figcaption {
  padding: 9px 10px;
  color: var(--muted);
  font-size: 0.85rem;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 16px;
  padding: 18px;
}

.timeline-item time,
.timeline-item .tag {
  color: var(--green);
  font-weight: 700;
}

.timeline-item h3 {
  margin: 0 0 6px;
  color: var(--text);
}

.timeline-item p {
  margin: 0;
  color: var(--soft);
}

.geo-nav {
  display: grid;
  grid-template-columns: 1.15fr 0.92fr 0.92fr;
  grid-auto-rows: minmax(132px, auto);
  gap: 12px;
}

.geo-link {
  min-height: 132px;
  padding: 20px;
  border: 1px solid rgba(62, 183, 255, 0.24);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(62, 183, 255, 0.08), rgba(243, 199, 102, 0.045));
  position: relative;
  overflow: hidden;
}

.geo-link::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 16px;
  width: 46px;
  height: 2px;
  background: var(--amber);
  box-shadow: 0 0 14px rgba(243, 199, 102, 0.34);
}

.geo-link:first-child {
  grid-row: span 2;
  min-height: 276px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(180deg, rgba(62, 183, 255, 0.1), rgba(240, 68, 94, 0.08)),
    image-set(url("../img/5.webp") type("image/webp"), url("../img/5.jpg") type("image/jpeg"));
  background-size: cover;
  background-position: center;
}

.geo-link:first-child::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 11, 12, 0.2), rgba(8, 11, 12, 0.88));
}

.geo-link strong {
  position: relative;
  z-index: 1;
  display: block;
  color: var(--text);
  font-size: 1.04rem;
}

.geo-link:first-child strong,
.geo-link:first-child span {
  color: #fff;
  text-shadow: 0 2px 12px rgba(16, 33, 43, 0.46);
}

.geo-link span {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.9rem;
}

.geo-link:hover,
.geo-link:focus {
  border-color: var(--amber);
  box-shadow: 0 0 24px rgba(243, 199, 102, 0.12);
}

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

.faq-item {
  padding: 18px 20px;
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.faq-item p {
  margin: 0;
  color: var(--soft);
}

.friendly-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.friendly-links a {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 12px;
  color: var(--soft);
  background: rgba(255, 255, 255, 0.04);
}

.friendly-links a:hover,
.friendly-links a:focus {
  color: var(--green);
  border-color: var(--green);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 4px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.data-table th,
.data-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--soft);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: #fff;
  background: rgba(62, 183, 255, 0.09);
}

.data-table tr:last-child th,
.data-table tr:last-child td {
  border-bottom: 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 34px 0;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.34);
}

.footer-grid {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.content-hero {
  padding: 70px 0 48px;
  background:
    linear-gradient(90deg, rgba(8, 11, 12, 0.95), rgba(8, 11, 12, 0.66)),
    image-set(url("../img/1.webp") type("image/webp"), url("../img/1.jpg") type("image/jpeg"));
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--line);
}

.content-page {
  padding: 58px 0 74px;
}

.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 26px;
  align-items: start;
}

.article-body {
  display: grid;
  gap: 24px;
}

.article-panel,
.side-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.article-panel h2 {
  margin: 0 0 12px;
  font-size: 1.55rem;
}

.article-panel h3 {
  margin: 18px 0 7px;
  color: var(--text);
}

.article-panel p,
.article-panel li,
.side-panel p,
.side-panel li {
  color: var(--soft);
}

.article-panel p {
  margin: 0 0 12px;
}

.question-block {
  padding: 18px;
}

.question-block h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.side-panel {
  position: sticky;
  top: 92px;
}

.side-panel h2 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.side-panel ul {
  padding-left: 18px;
  margin: 0 0 18px;
}

.updated {
  color: var(--green);
  font-weight: 700;
}

.not-found {
  min-height: calc(100svh - 68px);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 60px 16px;
}

.not-found h1 {
  font-size: clamp(4rem, 16vw, 9rem);
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-block;
  }

  .nav-links {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 68px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
  }

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

  .nav-links a,
  .nav-links .btn {
    width: 100%;
    justify-content: flex-start;
  }

  .hero {
    min-height: 720px;
  }

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

  .two-col,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .side-panel {
    position: static;
  }
}

@media (min-width: 1100px) {
  body {
    background:
      radial-gradient(circle at 18% 2%, rgba(62, 183, 255, 0.12), transparent 25rem),
      radial-gradient(circle at 88% 16%, rgba(240, 68, 94, 0.1), transparent 24rem),
      linear-gradient(180deg, #070a0b 0%, #101715 45%, #080b0c 100%);
  }

  .site-header {
    position: fixed;
    inset: 0 auto 0 0;
    width: 268px;
    height: 100svh;
    border-right: 1px solid var(--line);
    border-bottom: 0;
    background:
      linear-gradient(180deg, rgba(17, 26, 27, 0.96), rgba(8, 11, 12, 0.94)),
      image-set(url("../img/2.webp") type("image/webp"), url("../img/2.jpg") type("image/jpeg"));
    background-size: cover;
    background-position: center;
    background-blend-mode: multiply;
  }

  .site-header::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    border-right: 3px solid rgba(62, 183, 255, 0.42);
  }

  .nav {
    width: auto;
    min-height: 100%;
    margin: 0;
    padding: 26px 22px;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
  }

  .brand {
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
  }

  .brand strong {
    font-size: 1.32rem;
  }

  .brand span {
    margin-top: 8px;
    color: var(--amber);
  }

  .nav-links {
    margin-top: 22px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-links a {
    min-height: 42px;
    padding: 8px 10px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.035);
  }

  .nav-links a:hover,
  .nav-links a:focus {
    border-color: rgba(62, 183, 255, 0.45);
    background: rgba(62, 183, 255, 0.08);
  }

  .nav-links .btn {
    width: 100%;
    margin-top: 16px;
  }

  main,
  .site-footer {
    margin-left: 268px;
  }

  .hero-content {
    width: min(calc(100% - 80px), var(--max));
    margin-left: max(40px, calc((100vw - 268px - var(--max)) / 2));
    margin-right: auto;
  }

  .section:nth-of-type(odd) .section-head {
    margin-left: 0;
  }

  .cards-grid .mini-card:nth-child(1),
  .cards-grid .mini-card:nth-child(4) {
    grid-column: span 2;
  }

  .gallery {
    grid-template-columns: 1.2fr 0.8fr 0.8fr;
  }

  .gallery figure:first-child {
    grid-row: span 2;
  }

  .gallery figure:first-child img {
    aspect-ratio: 16 / 14;
  }
}

@media (max-width: 640px) {
  .nav,
  .wrap,
  .hero-content,
  .footer-grid {
    width: min(100% - 24px, var(--max));
  }

  .brand strong {
    font-size: 0.98rem;
  }

  .hero {
    min-height: 650px;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(248, 252, 255, 0.18) 0%, rgba(248, 252, 255, 0.72) 42%, rgba(248, 252, 255, 0.98) 100%),
      linear-gradient(90deg, rgba(248, 252, 255, 0.88), rgba(248, 252, 255, 0.34));
  }

  .hero-media img {
    object-position: 57% center;
  }

  .hero-content {
    padding-bottom: 42px;
  }

  .hero-meta,
  .info-grid,
  .cards-grid,
  .strategy-grid,
  .gallery,
  .geo-nav {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 54px 0;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

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

@media (min-width: 1100px) {
  body {
    background:
      radial-gradient(circle at 10% 8%, rgba(22, 119, 255, 0.12), transparent 28rem),
      radial-gradient(circle at 90% 12%, rgba(232, 77, 91, 0.1), transparent 24rem),
      linear-gradient(180deg, #f8fcff 0%, #eef8ff 46%, #f6fbff 100%);
  }

  .site-header {
    position: sticky;
    inset: auto;
    top: 0;
    width: 100%;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(16, 33, 43, 0.1);
    background: rgba(255, 255, 255, 0.82);
    background-image: none;
    background-blend-mode: normal;
    box-shadow: 0 12px 40px rgba(16, 33, 43, 0.08);
  }

  .site-header::after {
    display: none;
  }

  .nav {
    width: min(100% - 32px, var(--max));
    min-height: 76px;
    margin: 0 auto;
    padding: 0;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .brand {
    padding: 0;
    border-bottom: 0;
  }

  .brand strong {
    color: var(--text);
    font-size: 1.12rem;
  }

  .brand span {
    margin-top: 3px;
    color: var(--blue);
  }

  .nav-links {
    margin-top: 0;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    color: var(--soft);
  }

  .nav-links a {
    min-height: 38px;
    padding: 7px 10px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: transparent;
  }

  .nav-links a:hover,
  .nav-links a:focus {
    color: var(--blue);
    border-color: rgba(22, 119, 255, 0.2);
    background: rgba(22, 119, 255, 0.08);
  }

  .nav-links .btn {
    width: auto;
    margin-top: 0;
  }

  main,
  .site-footer {
    margin-left: 0;
  }

  .hero {
    min-height: 760px;
    align-items: center;
    background:
      linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(234, 246, 255, 0.9)),
      linear-gradient(90deg, rgba(22, 119, 255, 0.08), rgba(15, 159, 110, 0.06));
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(248, 252, 255, 0.98) 0%, rgba(248, 252, 255, 0.92) 45%, rgba(248, 252, 255, 0.2) 100%),
      linear-gradient(0deg, rgba(248, 252, 255, 0.96) 0%, rgba(248, 252, 255, 0.16) 50%, rgba(248, 252, 255, 0.52) 100%);
  }

  .hero-media {
    inset: 128px 42px auto auto;
    width: min(46vw, 650px);
    height: 520px;
    border: 1px solid rgba(16, 33, 43, 0.12);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 28px 80px rgba(16, 33, 43, 0.18);
    transform: rotate(1.2deg);
  }

  .hero-media::after {
    content: "";
    position: absolute;
    inset: 18px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    pointer-events: none;
  }

  .hero-media img {
    object-position: center;
  }

  .hero-content {
    width: min(100% - 32px, var(--max));
    margin: 0 auto;
    padding: 120px 0 82px;
  }

  .hero-subtitle {
    max-width: 610px;
  }

  .hero-meta {
    grid-template-columns: repeat(2, minmax(220px, 280px));
  }

  .meta-tile,
  .info-tile,
  .mini-card,
  .faq-item,
  .timeline-item,
  .question-block,
  .step-item,
  .article-panel,
  .side-panel {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 18px 48px rgba(16, 33, 43, 0.08);
  }

  .section.alt {
    background:
      linear-gradient(90deg, rgba(22, 119, 255, 0.055), rgba(15, 159, 110, 0.045));
  }

  .cards-grid {
    grid-template-columns: 1.12fr 0.88fr 0.88fr;
    align-items: stretch;
  }

  .cards-grid .mini-card:nth-child(1) {
    grid-row: span 2;
    grid-column: span 1;
    min-height: 260px;
  }

  .cards-grid .mini-card:nth-child(4) {
    grid-column: span 2;
  }

  .geo-nav {
    grid-template-columns: 1.18fr 0.82fr 0.82fr;
  }

  .content-hero {
    background:
      linear-gradient(90deg, rgba(248, 252, 255, 0.96), rgba(248, 252, 255, 0.74)),
      image-set(url("../img/1.webp") type("image/webp"), url("../img/1.jpg") type("image/jpeg"));
    background-size: cover;
    background-position: center;
  }
}

/* Layout v3: bright wiki portal */
@media (min-width: 1100px) {
  .hero {
    min-height: auto;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
    grid-template-areas:
      "media content"
      "meta meta";
    align-items: stretch;
    gap: 22px;
    width: min(100% - 48px, var(--max));
    margin: 34px auto 0;
    padding: 0 0 34px;
    border-bottom: 0;
    overflow: visible;
    background: transparent;
  }

  .hero::before {
    display: none;
  }

  .hero-media {
    grid-area: media;
    position: relative;
    inset: auto;
    width: auto;
    height: 620px;
    border-radius: 8px;
    transform: none;
    border: 1px solid rgba(16, 33, 43, 0.12);
    box-shadow: 0 24px 70px rgba(16, 33, 43, 0.14);
  }

  .hero-media::before {
    content: "资料封面";
    position: absolute;
    left: 18px;
    top: 18px;
    z-index: 2;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--blue);
    font-size: 0.8rem;
    font-weight: 800;
  }

  .hero-media::after {
    inset: auto 0 0 0;
    height: 42%;
    border: 0;
    background: linear-gradient(180deg, transparent, rgba(16, 33, 43, 0.46));
  }

  .hero-media img {
    object-fit: cover;
    object-position: center;
  }

  .hero-content {
    grid-area: content;
    width: auto;
    min-height: 620px;
    margin: 0;
    padding: 42px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid rgba(16, 33, 43, 0.12);
    border-radius: 8px;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 251, 255, 0.94)),
      linear-gradient(135deg, rgba(22, 119, 255, 0.08), rgba(15, 159, 110, 0.05));
    box-shadow: 0 24px 70px rgba(16, 33, 43, 0.1);
  }

  .hero-content h1 {
    font-size: clamp(3rem, 5vw, 5.1rem);
  }

  .hero-actions {
    margin-top: 34px;
  }

  .hero-meta {
    grid-area: meta;
    max-width: none;
    margin-top: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .meta-tile {
    min-height: 92px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
  }

  .section {
    padding: 62px 0;
  }

  .section-head.center {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
  }

  .two-col {
    grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
    gap: 22px;
  }

  .two-col .media-frame {
    order: -1;
  }

  .info-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

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

  .cards-grid .mini-card:nth-child(1),
  .cards-grid .mini-card:nth-child(4) {
    grid-column: auto;
    grid-row: auto;
    min-height: auto;
  }

  .cards-grid .mini-card:nth-child(2),
  .cards-grid .mini-card:nth-child(5) {
    grid-column: span 2;
  }

  .strategy-grid {
    grid-template-columns: 0.85fr 1.15fr;
  }

  .geo-nav {
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-auto-rows: minmax(150px, auto);
  }

  .geo-link:first-child {
    grid-column: span 2;
    grid-row: span 1;
    min-height: 150px;
    justify-content: flex-end;
  }

  .timeline-item {
    grid-template-columns: 190px 1fr;
    border-left: 5px solid rgba(22, 119, 255, 0.5);
  }

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

  .gallery figure:first-child {
    grid-column: span 2;
    grid-row: span 2;
  }

  .gallery figure:first-child img {
    aspect-ratio: 16 / 11;
  }

  .article-grid {
    grid-template-columns: 280px minmax(0, 1fr);
  }

  .article-body {
    grid-column: 2;
  }

  .side-panel {
    grid-column: 1;
    grid-row: 1;
    position: sticky;
    top: 100px;
  }
}

/* Bright theme readability safeguards */
.meta-tile strong,
.info-tile strong,
.mini-card h3,
.step-item h3,
.faq-item h3,
.timeline-item h3,
.article-panel h2,
.article-panel h3,
.question-block h2,
.side-panel h2,
.data-table th {
  color: var(--text) !important;
}

.meta-tile span,
.info-tile span,
.geo-link span,
.caption,
.gallery figcaption {
  color: var(--muted) !important;
}

.geo-link:first-child strong,
.geo-link:first-child span {
  color: #fff !important;
}

/* Layout v4: coherent bright resource portal */
@media (min-width: 1100px) {
  .section {
    padding: 68px 0;
  }

  .section-head {
    margin-bottom: 24px;
  }

  .section-head.center {
    max-width: 760px;
    margin-left: 0;
    margin-right: auto;
    text-align: left;
  }

  .hero {
    width: min(100% - 48px, var(--max));
    min-height: auto;
    margin: 34px auto 0;
    padding: 0 0 42px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(420px, 0.78fr);
    gap: 28px;
    align-items: stretch;
    overflow: visible;
    border-bottom: 0;
    background: transparent;
  }

  .hero::before {
    display: none;
  }

  .hero-media {
    position: relative;
    inset: auto;
    width: auto;
    height: clamp(520px, 52vw, 660px);
    border-radius: 8px;
    overflow: hidden;
    transform: none;
    border: 1px solid rgba(16, 33, 43, 0.12);
    box-shadow: 0 22px 58px rgba(16, 33, 43, 0.14);
  }

  .hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }

  .hero-content {
    width: auto;
    min-height: auto;
    margin: 0;
    padding: 42px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid rgba(16, 33, 43, 0.12);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 22px 58px rgba(16, 33, 43, 0.1);
  }

  .hero-content h1 {
    font-size: clamp(3rem, 5vw, 5rem);
  }

  .hero-subtitle {
    max-width: none;
  }

  .hero-meta {
    grid-area: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    max-width: none;
    margin-top: 26px;
  }

  .meta-tile {
    min-height: 92px;
    padding: 16px;
  }

  .two-col {
    grid-template-columns: minmax(0, 1fr) minmax(420px, 0.92fr);
    gap: 28px;
  }

  .two-col .media-frame {
    order: 0;
  }

  .info-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .info-tile {
    min-height: 116px;
    padding: 18px;
  }

  .cards-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .cards-grid .mini-card,
  .cards-grid .mini-card:nth-child(1),
  .cards-grid .mini-card:nth-child(2),
  .cards-grid .mini-card:nth-child(4),
  .cards-grid .mini-card:nth-child(5) {
    grid-column: auto;
    grid-row: auto;
    min-height: 176px;
  }

  .strategy-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .geo-nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    grid-auto-rows: auto;
    gap: 14px;
  }

  .geo-link,
  .geo-link:first-child {
    grid-column: auto;
    grid-row: auto;
    min-height: 170px;
    display: block;
    background: rgba(255, 255, 255, 0.92);
  }

  .geo-link:first-child::before {
    display: none;
  }

  .geo-link:first-child strong {
    color: var(--text) !important;
    text-shadow: none;
  }

  .geo-link:first-child span {
    color: var(--muted) !important;
    text-shadow: none;
  }

  .gallery {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .gallery figure:first-child {
    grid-column: span 2;
    grid-row: span 2;
  }

  .gallery figure:first-child img {
    aspect-ratio: 16 / 10;
  }

  .timeline-item {
    grid-template-columns: 170px 1fr;
    border-left: 4px solid rgba(22, 119, 255, 0.42);
  }

  .article-grid {
    grid-template-columns: minmax(0, 1fr) 310px;
    gap: 26px;
  }

  .article-body {
    grid-column: 1;
  }

  .side-panel {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 100px;
  }
}

/* Whitehat protocol additions: isolated from the original page selectors. */
.my-news-home{padding:64px 0;border-top:1px solid var(--line,rgba(32,42,76,.12));border-bottom:1px solid var(--line,rgba(32,42,76,.12));background:linear-gradient(135deg,rgba(108,92,231,.08),rgba(46,206,209,.06))}.my-news-home-inner,.my-news-shell{width:min(1180px,calc(100% - 32px));margin:0 auto}.my-news-home-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.my-news-kicker{margin:0 0 8px;color:var(--violet,var(--cyan,#1677ff));font-size:13px;font-weight:800;letter-spacing:.08em}.my-news-home h2,.my-news-main h1,.my-news-detail h1{margin:0;line-height:1.25}.my-news-more,.my-news-detail-nav a{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border:1px solid var(--line,rgba(32,42,76,.18));border-radius:8px;color:inherit;text-decoration:none}.my-news-home-grid,.my-news-list{display:grid;gap:16px}.my-news-card{padding:20px;border:1px solid var(--line,rgba(32,42,76,.16));border-radius:10px;background:var(--surface,var(--panel,var(--card,rgba(18,28,45,.94))));box-shadow:0 10px 28px rgba(0,0,0,.08)}.my-news-card h2,.my-news-card h3{margin:0 0 8px}.my-news-card time,.my-news-date{display:block;color:var(--muted,#64748b);font-size:14px}.my-news-card p,.my-news-summary{margin:10px 0;color:var(--muted,#64748b)}.my-news-card a{color:inherit;font-weight:700}.my-news-empty{margin:0;padding:18px;border:1px dashed var(--line,rgba(32,42,76,.2));border-radius:10px;color:var(--muted,#64748b)}.news-page{min-height:100vh}.my-news-header{border-bottom:1px solid var(--line,rgba(32,42,76,.16));background:rgba(255,255,255,.08)}.my-news-header .my-news-shell{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}.my-news-header a,.my-news-footer a{color:inherit;text-decoration:none}.my-news-header nav{display:flex;gap:14px}.my-news-main{padding:64px 0;max-width:900px}.my-news-lead{margin:12px 0 28px;color:var(--muted,#64748b)}.my-news-detail{padding:28px;border:1px solid var(--line,rgba(32,42,76,.16));border-radius:12px;background:var(--surface,var(--panel,var(--card,rgba(18,28,45,.94))))}.my-news-detail h1{font-size:clamp(30px,5vw,48px)}.my-news-content-wrap{margin-top:26px;padding-top:24px;border-top:1px solid var(--line,rgba(32,42,76,.16))}.my-news-content{margin:0;white-space:pre-wrap;line-height:1.9}.my-news-detail-nav{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.my-news-footer{padding:28px 0;border-top:1px solid var(--line,rgba(32,42,76,.16))}.download-confirm-backdrop{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px;background:rgba(4,8,18,.72)}.download-confirm-backdrop[hidden]{display:none}.download-confirm-dialog{width:min(420px,100%);padding:24px;border:1px solid rgba(255,255,255,.18);border-radius:12px;background:#18243a;color:#f4f8ff;box-shadow:0 24px 80px rgba(0,0,0,.45)}.download-confirm-title{margin:0 0 10px;font-size:20px}.download-confirm-text{margin:0;color:#b7c7db}.download-confirm-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.download-confirm-action{min-height:40px;padding:0 16px;border:1px solid rgba(255,255,255,.2);border-radius:7px;background:#263a59;color:#f4f8ff;cursor:pointer}.download-confirm-action.is-primary{border-color:#55d8e6;background:#1ba9bc;color:#06111f;font-weight:800}@media(max-width:640px){.my-news-home-inner,.my-news-shell{width:min(100% - 24px,1180px)}.my-news-home-head{display:block}.my-news-more{margin-top:16px}.my-news-main{padding:46px 0}.my-news-detail{padding:20px}.my-news-header .my-news-shell{min-height:60px}.my-news-header nav{gap:8px;font-size:14px}}