:root {
  --ink: #06111f;
  --ink-2: #0b1d31;
  --panel: #102844;
  --panel-2: #132f50;
  --line: rgba(169, 211, 255, 0.18);
  --ice: #7ed9ff;
  --ice-2: #2aa8f2;
  --gold: #f0c566;
  --gold-2: #a6742c;
  --crimson: #d7353f;
  --jade: #33d29e;
  --text: #edf7ff;
  --muted: #a9bed3;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--ink);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.5;
}

img,
video {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
}

.shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 17, 31, 0.86);
  backdrop-filter: blur(16px);
}

.nav-shell {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 176px;
  min-width: 176px;
}

.brand img {
  width: 100%;
  height: 48px;
  object-fit: contain;
  object-position: left center;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #d8ecff;
  font-size: 15px;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 26px 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 19px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a.current {
  color: #fff;
}

.site-nav a:hover::after,
.site-nav a.current::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  padding: 118px 0 86px;
  background: #071522;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("./assets/images/home-hero-poster.jpg");
  background-position: center;
  background-size: cover;
  opacity: 0.72;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(2, 8, 17, 0.66);
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 180px;
  background: #06111f;
  opacity: 0.72;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: 64px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-logo-wrap {
  position: relative;
  width: min(640px, 100%);
  margin: -8px 0 12px;
  overflow: visible;
}

.hero-logo-wrap::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 6% -2%;
  background:
    radial-gradient(ellipse at 52% 50%, rgba(3, 14, 28, 0.84), transparent 68%),
    radial-gradient(ellipse at 52% 50%, rgba(42, 168, 242, 0.34), transparent 76%);
  filter: blur(22px);
  pointer-events: none;
}

.hero-logo {
  position: relative;
  z-index: 1;
  width: 100%;
  opacity: 0.96;
  filter: drop-shadow(0 0 18px rgba(126, 217, 255, 0.26));
}

h1 {
  margin: 0;
  font-size: 54px;
  line-height: 1.1;
}

.hero-subtitle {
  max-width: 620px;
  margin: 18px 0 30px;
  color: #d4eaff;
  font-size: 20px;
}

.hero-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 150px));
  gap: 12px;
  max-width: 500px;
}

.download-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 74px;
  padding: 13px 16px;
  border: 1px solid rgba(126, 217, 255, 0.36);
  border-radius: var(--radius);
  background: rgba(16, 40, 68, 0.92);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.download-btn.primary {
  border-color: rgba(126, 217, 255, 0.72);
  background: #0e5486;
}

.download-btn.gold {
  border-color: rgba(240, 197, 102, 0.72);
  background: #6e4618;
}

.download-btn:hover {
  transform: translateY(-2px);
}

.platform {
  margin-bottom: 2px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 700;
}

.download-btn strong {
  font-size: 17px;
}

.server-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.server-strip span {
  padding: 8px 12px;
  border: 1px solid rgba(240, 197, 102, 0.26);
  border-radius: var(--radius);
  background: rgba(7, 21, 34, 0.72);
  color: #f7e2ad;
  font-size: 13px;
}

.video-stage {
  position: relative;
}

.video-frame {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin-left: auto;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  border: 1px solid rgba(126, 217, 255, 0.32);
  border-radius: var(--radius);
  background: #000;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.54), 0 0 54px rgba(42, 168, 242, 0.18);
}

.video-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sound-toggle {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid rgba(240, 197, 102, 0.52);
  border-radius: var(--radius);
  background: rgba(6, 17, 31, 0.78);
  color: #fff;
  cursor: pointer;
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.32);
}

.sound-toggle:hover,
.sound-toggle.is-on {
  border-color: rgba(126, 217, 255, 0.72);
  background: rgba(14, 84, 134, 0.86);
}

.sound-icon {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(240, 197, 102, 0.22);
  color: var(--gold);
  line-height: 1;
}

.sound-label {
  font-size: 13px;
}

.video-caption {
  position: absolute;
  left: -24px;
  right: 18px;
  bottom: 34px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 16px;
  border: 1px solid rgba(240, 197, 102, 0.42);
  border-radius: var(--radius);
  background: rgba(6, 17, 31, 0.82);
}

.video-caption strong {
  color: #fff;
  font-size: 18px;
}

.video-caption span {
  color: #d4eaff;
  font-size: 13px;
}

.notice-band {
  position: relative;
  z-index: 3;
  margin-top: -34px;
}

.notice-inner {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 20px;
  align-items: center;
  min-height: 68px;
  padding: 0 24px;
  border: 1px solid rgba(240, 197, 102, 0.28);
  border-radius: var(--radius);
  background: #111f2b;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.notice-inner strong {
  color: var(--gold);
}

.notice-inner span {
  color: #d8ecff;
}

.notice-inner a {
  color: var(--ice);
  font-weight: 800;
}

.section {
  padding: 88px 0;
}

.section-heading h2 {
  margin: 0;
  font-size: 34px;
}

.section-heading span,
.support-layout p {
  color: var(--muted);
}

.centered {
  text-align: center;
}

.section-grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 42px;
  align-items: start;
}

.news-section,
.guides-section,
.gallery-section {
  background: #071522;
}

.news-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 40, 68, 0.82);
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}

.tab {
  min-height: 54px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: #c7def5;
  cursor: pointer;
  font-weight: 800;
}

.tab:last-child {
  border-right: 0;
}

.tab.active {
  background: #163859;
  color: var(--gold);
}

.headline {
  display: grid;
  grid-template-columns: 64px 1fr;
  align-items: center;
  gap: 16px;
  padding: 22px 26px 4px;
}

.headline span {
  display: inline-flex;
  justify-content: center;
  padding: 4px 8px;
  border-radius: var(--radius);
  background: var(--crimson);
  font-size: 13px;
  font-weight: 800;
}

.headline h3 {
  margin: 0;
  color: #fff;
  font-size: 22px;
}

.news-list {
  display: none;
  margin: 0;
  padding: 18px 26px 24px;
  list-style: none;
}

.news-list.active {
  display: block;
}

.news-list li {
  display: grid;
  grid-template-columns: 1fr 58px;
  gap: 18px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(169, 211, 255, 0.11);
}

.news-list li:last-child {
  border-bottom: 0;
}

.news-list a {
  color: #d8ecff;
}

.news-list time {
  color: var(--gold);
  text-align: right;
}

.data-section {
  background: #09192b;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 36px;
}

.data-card,
.support-card {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #102844;
}

.data-card span {
  display: block;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
}

.data-card strong {
  display: block;
  margin-top: 18px;
  color: #fff;
  font-size: 22px;
}

.data-card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.guides-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  align-items: start;
}

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

.guide-list a {
  display: grid;
  grid-template-columns: 72px 1fr 68px;
  gap: 18px;
  align-items: center;
  min-height: 72px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #102844;
}

.guide-list span {
  color: var(--jade);
  font-weight: 800;
}

.guide-list strong {
  color: #fff;
}

.guide-list time {
  color: var(--gold);
  text-align: right;
}

.class-section {
  overflow: hidden;
  background: #09192b;
}

.class-layout {
  display: grid;
  grid-template-columns: 150px minmax(0, 430px) 1fr;
  gap: 38px;
  align-items: center;
}

.class-tabs {
  display: grid;
  gap: 10px;
}

.class-tab {
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #102844;
  color: #d8ecff;
  cursor: pointer;
  font-weight: 800;
}

.class-tab.active {
  border-color: rgba(240, 197, 102, 0.68);
  background: #6e4618;
  color: #fff;
}

.class-preview {
  overflow: hidden;
  aspect-ratio: 9 / 12;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0b1d31;
}

.class-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.class-copy h2 {
  margin: 0;
  font-size: 44px;
}

.class-copy p:not(.eyebrow) {
  max-width: 520px;
  color: var(--muted);
}

.stats {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.stats div {
  display: grid;
  grid-template-columns: 58px 1fr;
  align-items: center;
  gap: 16px;
}

.stats dt {
  color: #fff;
  font-weight: 800;
}

.stats dd {
  height: 10px;
  margin: 0;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(169, 211, 255, 0.14);
}

.stats span {
  display: block;
  height: 100%;
  background: var(--ice-2);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 36px;
}

.shot {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #102844;
  cursor: pointer;
}

.shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 180ms ease;
}

.shot:hover img {
  transform: scale(1.04);
}

.support-section {
  background: #09192b;
}

.support-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 40px;
  align-items: center;
}

.support-layout h2 {
  margin: 0 0 12px;
  font-size: 34px;
}

.support-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.support-card {
  min-height: 124px;
}

.support-card strong,
.support-card span {
  display: block;
}

.support-card strong {
  color: #fff;
  font-size: 20px;
}

.support-card span {
  margin-top: 12px;
  color: var(--muted);
}

.float-service {
  position: fixed;
  right: 20px;
  top: 150px;
  z-index: 20;
  display: grid;
  gap: 8px;
  width: 130px;
  padding: 14px;
  border: 1px solid rgba(240, 197, 102, 0.3);
  border-radius: var(--radius);
  background: rgba(10, 27, 45, 0.88);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

.float-service strong {
  color: var(--gold);
  text-align: center;
}

.float-service a,
.float-service span {
  display: block;
  padding: 8px;
  border-radius: var(--radius);
  background: rgba(126, 217, 255, 0.1);
  color: #d8ecff;
  text-align: center;
  font-size: 12px;
}

.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  background: #050b14;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: #8ca7bf;
  font-size: 13px;
}

.footer-logo {
  width: 150px;
  height: 50px;
  object-fit: contain;
  object-position: left center;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(0, 0, 0, 0.86);
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-height: 86vh;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #102844;
  color: #fff;
  cursor: pointer;
  font-size: 24px;
}

.page-main {
  min-height: 100vh;
  padding-top: 74px;
  background:
    radial-gradient(circle at 15% 8%, rgba(42, 168, 242, 0.18), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(240, 197, 102, 0.08), transparent 24%),
    linear-gradient(180deg, #081827 0%, #06111f 52%, #09192b 100%);
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 64px;
  border-bottom: 1px solid var(--line);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("./assets/images/home-hero-poster.jpg");
  background-position: center;
  background-size: cover;
  opacity: 0.24;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 17, 31, 0.94), rgba(6, 17, 31, 0.62));
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
  align-items: center;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumb a {
  color: var(--ice);
}

.page-hero h1 {
  margin: 0;
  font-size: 46px;
}

.page-hero p {
  max-width: 650px;
  margin: 16px 0 0;
  color: #d4eaff;
  font-size: 18px;
}

.page-hero-card {
  padding: 22px;
  border: 1px solid rgba(126, 217, 255, 0.24);
  border-radius: var(--radius);
  background: rgba(16, 40, 68, 0.72);
}

.page-hero-card strong,
.page-hero-card span {
  display: block;
}

.page-hero-card strong {
  color: #fff;
  font-size: 24px;
}

.page-hero-card span {
  margin-top: 8px;
  color: var(--gold);
}

.page-content {
  padding: 72px 0 92px;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px;
  align-items: start;
}

.panel,
.side-panel,
.article-body,
.filter-bar,
.data-directory,
.detail-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 40, 68, 0.82);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px;
  margin-bottom: 16px;
}

.filter-bar a {
  padding: 8px 14px;
  border: 1px solid rgba(126, 217, 255, 0.18);
  border-radius: var(--radius);
  color: #c7def5;
  font-weight: 800;
}

.filter-bar a.active,
.filter-bar a:hover {
  border-color: rgba(240, 197, 102, 0.58);
  background: rgba(110, 70, 24, 0.62);
  color: #fff;
}

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

.article-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) 86px;
  gap: 18px;
  align-items: center;
  min-height: 94px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 40, 68, 0.82);
}

.article-row .tag {
  display: inline-flex;
  justify-content: center;
  padding: 6px 10px;
  border-radius: var(--radius);
  background: rgba(215, 53, 63, 0.9);
  color: #fff;
  font-weight: 800;
}

.article-row h2 {
  margin: 0 0 6px;
  color: #fff;
  font-size: 20px;
}

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

.article-row time {
  color: var(--gold);
  text-align: right;
}

.pagination {
  display: flex;
  gap: 8px;
  margin-top: 22px;
}

.pagination a {
  min-width: 38px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #102844;
  color: #d8ecff;
  text-align: center;
}

.pagination a.active {
  background: #6e4618;
  color: #fff;
}

.side-panel {
  padding: 20px;
}

.side-panel + .side-panel {
  margin-top: 16px;
}

.side-panel h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 18px;
}

.side-links,
.side-news {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.side-links a,
.side-news a {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius);
  background: rgba(126, 217, 255, 0.08);
  color: #d8ecff;
}

.side-links a.active {
  color: var(--gold);
  font-weight: 800;
}

.article-body {
  padding: 34px 40px;
}

.article-title {
  margin-bottom: 26px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.article-title h1 {
  margin: 0;
  color: #fff;
  font-size: 34px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
}

.article-body h2 {
  margin: 30px 0 12px;
  color: var(--gold);
  font-size: 22px;
}

.article-body p,
.article-body li {
  color: #d8ecff;
}

.article-body p {
  margin: 0 0 16px;
}

.article-body ul {
  padding-left: 20px;
}

.article-nav {
  display: grid;
  gap: 10px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.article-nav a {
  color: var(--ice);
}

.data-directory {
  padding: 24px;
}

.directory-section + .directory-section {
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.directory-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.directory-title h2 {
  margin: 0;
  color: #fff;
  font-size: 24px;
}

.directory-title span {
  color: var(--gold);
  font-weight: 800;
}

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

.directory-links a {
  min-width: 90px;
  padding: 9px 12px;
  border: 1px solid rgba(126, 217, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(126, 217, 255, 0.07);
  color: #d8ecff;
  text-align: center;
}

.directory-links a:hover {
  border-color: rgba(240, 197, 102, 0.5);
  color: var(--gold);
}

.detail-card {
  padding: 26px;
  margin: 22px 0;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.info-table th,
.info-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: #d8ecff;
  text-align: left;
}

.info-table th {
  width: 150px;
  background: rgba(126, 217, 255, 0.08);
  color: var(--gold);
}

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

.data-highlight {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 22px 0;
}

.data-highlight div {
  padding: 16px;
  border: 1px solid rgba(126, 217, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(126, 217, 255, 0.07);
}

.data-highlight strong,
.data-highlight span {
  display: block;
}

.data-highlight strong {
  color: var(--gold);
}

.data-highlight span {
  margin-top: 6px;
  color: #d8ecff;
}

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

.download-card {
  display: grid;
  min-height: 260px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 40, 68, 0.82);
}

.download-card.featured {
  border-color: rgba(126, 217, 255, 0.46);
  background: linear-gradient(180deg, rgba(16, 84, 134, 0.82), rgba(16, 40, 68, 0.88));
}

.download-card.gold {
  border-color: rgba(240, 197, 102, 0.46);
  background: linear-gradient(180deg, rgba(110, 70, 24, 0.82), rgba(16, 40, 68, 0.88));
}

.download-card .icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(126, 217, 255, 0.28);
  border-radius: var(--radius);
  background: rgba(126, 217, 255, 0.1);
  color: var(--gold);
  font-size: 24px;
  font-weight: 900;
}

.download-card h2 {
  margin: 18px 0 8px;
  color: #fff;
  font-size: 26px;
}

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

.download-card .download-action {
  align-self: end;
  display: inline-flex;
  justify-content: center;
  margin-top: 24px;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: var(--ice-2);
  color: #fff;
  font-weight: 900;
}

.download-card.gold .download-action {
  background: var(--gold-2);
}

.steps-panel {
  margin-top: 26px;
  padding: 28px;
}

.steps-list {
  display: grid;
  gap: 14px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.steps-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px;
  border-radius: var(--radius);
  background: rgba(126, 217, 255, 0.07);
  color: #d8ecff;
}

.steps-list span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #6e4618;
  color: #fff;
  font-weight: 900;
}

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

.contact-card {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 40, 68, 0.82);
}

.contact-card h2 {
  margin: 0 0 10px;
  color: #fff;
  font-size: 24px;
}

.contact-card p {
  margin: 0 0 18px;
  color: var(--muted);
}

.qr-placeholder {
  display: grid;
  place-items: center;
  width: 142px;
  height: 142px;
  border: 1px dashed rgba(126, 217, 255, 0.5);
  border-radius: var(--radius);
  background:
    linear-gradient(45deg, rgba(126, 217, 255, 0.08) 25%, transparent 25%, transparent 75%, rgba(126, 217, 255, 0.08) 75%),
    linear-gradient(45deg, rgba(126, 217, 255, 0.08) 25%, transparent 25%, transparent 75%, rgba(126, 217, 255, 0.08) 75%);
  background-position: 0 0, 10px 10px;
  background-size: 20px 20px;
  color: var(--gold);
  font-weight: 900;
  text-align: center;
}

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

.contact-list li {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: rgba(126, 217, 255, 0.07);
  color: #d8ecff;
}

.contact-list strong {
  color: var(--gold);
}

@media (max-width: 1500px) {
  .float-service {
    display: none;
  }
}

@media (max-width: 1080px) {
  .site-nav {
    gap: 16px;
    font-size: 14px;
  }

  .hero-grid,
  .section-grid,
  .guides-layout,
  .support-layout,
  .page-hero-inner,
  .content-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 38px;
  }

  .video-frame {
    margin: 0 auto;
    max-width: 340px;
  }

  .video-caption {
    left: 50%;
    right: auto;
    width: min(330px, 88%);
    transform: translateX(-50%);
  }

  .data-grid,
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .class-layout {
    grid-template-columns: 120px minmax(0, 360px) 1fr;
    gap: 24px;
  }

}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 28px, 680px);
  }

  .nav-shell {
    height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
    gap: 18px;
    white-space: nowrap;
  }

  .site-nav a {
    padding: 6px 0;
  }

  .site-nav a::after {
    bottom: 0;
  }

  .hero {
    min-height: auto;
    padding: 132px 0 58px;
  }

  .page-main {
    padding-top: 116px;
  }

  .page-hero {
    padding: 44px 0;
  }

  .page-hero h1,
  .article-title h1 {
    font-size: 30px;
  }

  h1 {
    font-size: 38px;
  }

  .hero-subtitle {
    font-size: 17px;
  }

  .hero-actions {
    grid-template-columns: 1fr;
  }

  .notice-inner {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 16px;
  }

  .section {
    padding: 62px 0;
  }

  .section-heading h2,
  .support-layout h2 {
    font-size: 28px;
  }

  .tabs {
    grid-template-columns: repeat(4, minmax(68px, 1fr));
  }

  .headline {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 18px 18px 0;
  }

  .headline span {
    width: max-content;
  }

  .news-list {
    padding: 14px 18px 20px;
  }

  .news-list li,
  .guide-list a,
  .article-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .news-list time,
  .guide-list time,
  .article-row time {
    text-align: left;
  }

  .data-grid,
  .gallery-grid,
  .support-cards,
  .data-highlight,
  .download-grid,
  .support-grid-large {
    grid-template-columns: 1fr;
  }

  .article-body,
  .data-directory {
    padding: 22px;
  }

  .filter-bar {
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .class-layout {
    grid-template-columns: 1fr;
  }

  .class-tabs {
    grid-template-columns: repeat(5, minmax(58px, 1fr));
  }

  .class-copy h2 {
    font-size: 34px;
  }

  .footer-inner {
    flex-direction: column;
  }
}