:root {
  --color-bg: #1a1a1a;
  --color-bg-alt: #242424;
  --color-bg-raised: #2a2a2a;
  --color-surface: #ffffff;
  --color-text: #e0e0e0;
  --color-card-text: #ffab91;
  --color-heading: #f5f5f5;
  --color-accent: #ff3d00;
  --color-accent-2: #ff6d00;
  --color-accent-soft: rgba(255, 61, 0, 0.14);
  --color-border: rgba(255, 255, 255, 0.1);
  --color-page-text: #1f2933;
  --color-page-muted: #6b7280;
  --color-page-border: #e5e7eb;
  --content-width: 90rem;
  --navbar-height: 4.75rem;
  --radius-small: 0.5rem;
  --radius-card: 0.875rem;
  --shadow-card: 0 0.75rem 2rem rgba(0, 0, 0, 0.22);
}

html {
  box-sizing: border-box;
  font-size: 16px;
  scrollbar-gutter: stable;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  color: var(--color-text);
  background-color: var(--color-bg);
  font-family: "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

img,
video {
  max-width: 100%;
  height: auto;
}

svg {
  max-width: 100%;
}

main {
  flex: 1;
}

a {
  color: inherit;
  text-decoration-skip-ink: auto;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

a:hover {
  color: var(--color-accent-2);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 0.125rem solid var(--color-accent-2);
  outline-offset: 0.1875rem;
}

a:active {
  opacity: 0.78;
}

a[aria-disabled="true"],
a.disabled,
.disabled > a,
a.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.container {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  padding: 1rem;
  background-color: rgba(26, 26, 26, 0.95);
  border-bottom: 0.0625rem solid rgba(255, 61, 0, 0.28);
  backdrop-filter: blur(0.625rem);
  -webkit-backdrop-filter: blur(0.625rem);
  transition: padding 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.navbar.scrolled {
  padding: 0.75rem 1rem;
  background-color: rgba(26, 26, 26, 0.985);
  box-shadow: 0 0.375rem 1.25rem rgba(0, 0, 0, 0.28);
}

.navbar-inner {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-brand {
  display: none;
  color: var(--color-heading);
  font-weight: 700;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.nav-links a {
  position: relative;
  z-index: 1;
  padding: 0.7rem 1rem;
  overflow: hidden;
  color: #fff;
  border-radius: 999px;
  font-size: 0.95rem;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.nav-links a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: -1;
  width: 0;
  aspect-ratio: 1;
  background-color: rgba(255, 61, 0, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.35s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a.active,
.nav-links a[aria-current="page"],
.nav-links a[aria-current="location"] {
  color: #fff;
  background-color: var(--color-accent-soft);
  box-shadow: 0 0 0.9375rem rgba(255, 255, 255, 0.08);
}

.nav-links a:hover::before,
.nav-links a:focus-visible::before,
.nav-links a.active::before,
.nav-links a[aria-current="page"]::before,
.nav-links a[aria-current="location"]::before {
  width: 12.5rem;
}

.nav-toggle {
  display: none;
  padding: 0.5rem;
  border: 0;
  color: #fff;
  background-color: transparent;
  cursor: pointer;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  width: 1.5rem;
  height: 0.125rem;
  display: block;
  background-color: currentColor;
  transition: transform 0.25s ease, top 0.25s ease, bottom 0.25s ease, background-color 0.25s ease;
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -0.5rem;
}

.hamburger::after {
  bottom: -0.5rem;
}

.nav-toggle.active .hamburger,
.nav-toggle[aria-expanded="true"] .hamburger {
  background-color: transparent;
}

.nav-toggle.active .hamburger::before,
.nav-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after,
.nav-toggle[aria-expanded="true"] .hamburger::after {
  bottom: 0;
  transform: rotate(-45deg);
}

html.nav-open,
body.nav-open {
  overflow: hidden;
  touch-action: none;
}

.particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.site-footer {
  width: 100%;
  padding: 1.25rem 1rem;
  color: #dfdfdf;
  background-color: #151515;
  border-top: 0.0625rem solid var(--color-border);
  text-align: center;
}

.site-footer p {
  margin: 0.35rem 0;
  line-height: 1.7;
}

.site-footer a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  transition: color 0.2s ease;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--color-accent-2);
}

.home-footer__links {
  overflow-wrap: anywhere;
}

.home-footer__links a + a {
  margin-left: 0.75rem;
}

.alert-banner {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  z-index: 999;
  width: 100%;
  padding: 0.25rem 0;
  color: #fff;
  background-color: #3a3a3a;
  border-bottom: 0.0625rem solid var(--color-border);
}

.alert-banner .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
}

.alert-icon {
  flex: 0 0 auto;
  font-size: 1.1rem;
}

.hero {
  position: relative;
  padding: 12rem 2rem 8rem;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(135deg, var(--color-bg), #333);
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  animation: rotate 30s linear infinite;
}

.hero .container,
.intro-content {
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.hero h1 {
  margin: 0;
  color: transparent;
  background: linear-gradient(120deg, #ff3d00 0%, #ff6d00 55%, #ffd166 100%);
  background-clip: text;
  -webkit-background-clip: text;
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 0.04em;
  text-shadow: 0 0.125rem 1rem rgba(255, 61, 0, 0.32);
  animation: fadeInDown 0.8s ease both;
  -webkit-text-fill-color: transparent;
}

.version {
  margin-left: 0.75rem;
  color: transparent;
  background: linear-gradient(120deg, #ffd166, #ffb700);
  background-clip: text;
  -webkit-background-clip: text;
  font-size: 0.58em;
  font-weight: 700;
  white-space: nowrap;
  text-shadow: 0 0.125rem 0.875rem rgba(255, 209, 102, 0.3);
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  margin: 0;
  color: transparent;
  background: linear-gradient(120deg, #fff3b0, #ffd166 52%, #ffb700);
  background-clip: text;
  -webkit-background-clip: text;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-shadow: 0 0.125rem 0.875rem rgba(255, 193, 7, 0.25);
  animation: fadeInUp 0.8s ease 0.1s both;
  -webkit-text-fill-color: transparent;
}

.hero-features {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.feature-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.highlight {
  color: transparent;
  background: linear-gradient(120deg, #ff3d00, #ff9100);
  background-clip: text;
  -webkit-background-clip: text;
  font-size: 1.25rem;
  font-weight: 700;
  text-shadow: 0 0.0625rem 0.5rem rgba(255, 61, 0, 0.25);
  -webkit-text-fill-color: transparent;
}

.dot {
  color: #ffd166;
  font-size: 1.25rem;
  text-shadow: 0 0 0.5rem rgba(255, 209, 102, 0.35);
}

.hero-notice {
  width: 100%;
  max-width: 56.25rem;
  animation: fadeInUp 0.8s ease 0.25s both;
}

.notice-box {
  padding: 1.25rem;
  background-color: rgba(255, 255, 255, 0.05);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-card);
}

.notice-text {
  margin: 0.45rem 0;
  color: rgba(255, 255, 255, 0.96);
  line-height: 1.7;
  text-shadow: 0 0.0625rem 0.375rem rgba(0, 0, 0, 0.25);
}

.notice-text.important {
  color: #ff7a45;
  font-weight: 700;
  text-shadow: 0 0.0625rem 0.625rem rgba(255, 61, 0, 0.28);
}

.hero-buttons {
  animation: fadeInUp 0.8s ease 0.35s both;
}

.cta-button,
.btn-buy,
.buy-button,
.join-button,
.floating-button {
  border: 0.0625rem solid transparent;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.cta-button,
.btn-buy {
  min-width: 13rem;
  padding: 1rem 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 1.15rem;
  box-shadow: 0 0.3125rem 1.25rem rgba(0, 0, 0, 0.22);
}

.cta-button {
  color: var(--color-bg);
  background-color: #fff;
}

.btn-buy {
  background: linear-gradient(120deg, var(--color-accent), var(--color-accent-2));
}

.cta-button:hover,
.cta-button:focus-visible,
.btn-buy:hover,
.btn-buy:focus-visible {
  color: #fff;
  background-color: transparent;
  border-color: #fff;
  box-shadow: 0 0.5rem 1.5625rem rgba(255, 255, 255, 0.1);
  transform: translateY(-0.1875rem);
}

.intro,
.features,
.video-demo,
.tutorial,
.notice,
.faq,
.price,
.contact,
.blog {
  padding: 5.5rem 0;
}

.intro,
.video-demo,
.notice,
.price,
.blog {
  background-color: var(--color-bg);
}

.features,
.tutorial,
.faq,
.contact {
  background-color: var(--color-bg-alt);
}

.intro {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-bg), var(--color-bg-alt));
}

.intro::before,
.intro::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.intro::before {
  height: 0.0625rem;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
}

.intro::after {
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.04), transparent 55%);
}

.intro h2,
.features h2,
.video-demo h2,
.tutorial h2,
.notice h2,
.faq h2,
.price h2,
.contact h2,
.blog h2 {
  margin: 0 0 2.5rem;
  color: transparent;
  background: linear-gradient(120deg, var(--color-accent), var(--color-accent-2));
  background-clip: text;
  -webkit-background-clip: text;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1.25;
  text-align: center;
  text-shadow: 0 0.125rem 0.9375rem rgba(255, 61, 0, 0.3);
  -webkit-text-fill-color: transparent;
}

.intro-text {
  max-width: 52rem;
  margin: 0 auto 2.5rem;
  color: var(--color-text);
  font-size: 1.1rem;
  line-height: 1.9;
  text-align: center;
}

.intro-highlights,
.feature-grid,
.tutorial-steps,
.notice-list,
.price-cards,
.contact-info,
.blog-grid {
  display: grid;
  gap: 1.75rem;
}

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

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

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

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

.blog-grid {
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
}

.highlight-item,
.feature-card,
.step,
.notice-item,
.price-card,
.contact-item,
.blog-card,
.qq-group {
  background-color: var(--color-bg-raised);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.18);
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.highlight-item,
.feature-card,
.step,
.notice-item,
.contact-item,
.blog-card {
  padding: 2rem;
}

.highlight-item,
.feature-card,
.step,
.contact-item {
  text-align: center;
}

.highlight-item:hover,
.feature-card:hover,
.feature-card:focus-within,
.step:hover,
.notice-item:hover,
.price-card:hover,
.contact-item:hover,
.blog-card:hover,
.blog-card:focus-within,
.qq-group:hover,
.qq-group:focus-within {
  background-color: #303030;
  border-color: rgba(255, 61, 0, 0.45);
  box-shadow: 0 0.9375rem 2.5rem rgba(0, 0, 0, 0.3);
  transform: translateY(-0.25rem);
}

.highlight-icon {
  margin-bottom: 1rem;
  font-size: 2.6rem;
  line-height: 1;
}

.highlight-title,
.feature-card h3,
.step h3,
.notice-item h3,
.price-card h3,
.contact-item h3,
.blog-card h3 {
  margin: 0 0 1rem;
  color: transparent;
  background: linear-gradient(120deg, var(--color-accent), var(--color-accent-2));
  background-clip: text;
  -webkit-background-clip: text;
  font-size: 1.4rem;
  line-height: 1.35;
  text-shadow: 0 0.125rem 0.9375rem rgba(255, 61, 0, 0.28);
  -webkit-text-fill-color: transparent;
}

.highlight-desc {
  margin: 0;
  color: var(--color-text);
  line-height: 1.85;
}

.feature-card p,
.step p,
.contact-item p,
.blog-card p {
  margin: 0;
  color: var(--color-card-text);
  line-height: 1.85;
}

.notice-item ul,
.price-card ul {
  margin: 1rem 0 0;
  color: var(--color-card-text);
  line-height: 1.8;
  text-align: left;
}

.notice-item ul {
  padding-left: 1.25rem;
}

.video-container {
  position: relative;
  width: 100%;
  max-width: 50rem;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: #000;
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.video-container video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.step-number {
  width: 2.5rem;
  height: 2.5rem;
  margin: 0 auto 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-bg);
  background-color: #fff;
  border-radius: 50%;
  font-weight: 700;
}

.faq-list {
  max-width: 50rem;
  margin: 0 auto;
}

.faq-list details {
  margin-bottom: 1rem;
  overflow: hidden;
  background-color: var(--color-bg-raised);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-small);
}

.faq-list details:hover {
  border-color: rgba(255, 61, 0, 0.45);
}

.faq-list summary {
  padding: 1rem 1.25rem;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.faq-list details[open] summary {
  border-bottom: 0.0625rem solid var(--color-border);
}

.faq-list p {
  margin: 0;
  padding: 1rem 1.25rem;
  color: var(--color-card-text);
  line-height: 1.8;
}

.price-card {
  position: relative;
  height: 100%;
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.price-card.featured {
  border-color: rgba(255, 61, 0, 0.55);
}

.featured-label {
  position: absolute;
  top: -0.875rem;
  right: 1.25rem;
  padding: 0.35rem 0.9rem;
  color: #fff;
  background: linear-gradient(120deg, var(--color-accent), var(--color-accent-2));
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
}

.price-amount {
  margin-top: 0.5rem;
  color: #ffd166;
  font-size: 2.6rem;
  font-weight: 700;
}

.price-period {
  color: #ffad80;
  font-size: 1.05rem;
}

.price-card ul {
  padding: 0;
  flex: 1;
  list-style: none;
}

.price-card li {
  position: relative;
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
}

.price-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent-2);
  font-weight: 700;
}

.button-container {
  margin-top: auto;
  padding-top: 1.25rem;
}

.buy-button {
  width: 100%;
  max-width: 15rem;
  padding: 0.85rem 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #333;
  border-color: var(--color-border);
  border-radius: 999px;
}

.featured-button {
  background: linear-gradient(120deg, var(--color-accent), var(--color-accent-2));
}

.buy-button:hover,
.buy-button:focus-visible,
.join-button:hover,
.join-button:focus-visible {
  color: var(--color-accent-2);
  background-color: transparent;
  border-color: var(--color-accent);
  transform: translateY(-0.125rem);
}

.qq-groups {
  max-width: 24rem;
  margin: 1.25rem auto 0;
}

.qq-group {
  padding: 1.25rem;
  text-align: center;
}

.qq-group p {
  margin: 0 0 1rem;
}

.join-button {
  padding: 0.7rem 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(120deg, var(--color-accent), var(--color-accent-2));
  border-radius: 999px;
}

.blog-date {
  margin-bottom: 0.75rem;
  color: #ff7650;
  font-size: 0.875rem;
}

.read-more {
  margin-top: 1rem;
  display: inline-flex;
  color: var(--color-accent-2);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

.read-more:hover,
.read-more:focus-visible {
  color: #fff;
  transform: translateX(0.25rem);
}

.floating-download {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 1rem);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
}

.floating-download.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.floating-button {
  padding: 0.85rem 1.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(120deg, var(--color-accent), var(--color-accent-2));
  border-radius: 999px;
  box-shadow: 0 0.3125rem 1.25rem rgba(255, 61, 0, 0.3);
  white-space: nowrap;
}

.floating-button:hover,
.floating-button:focus-visible {
  box-shadow: 0 0.5rem 1.5625rem rgba(255, 61, 0, 0.42);
  transform: translateY(-0.125rem);
}

.download-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.download-text {
  font-size: 1.05rem;
}

.page-body {
  background-color: var(--color-bg);
}

.page-main {
  min-height: calc(100vh - 8rem);
  padding: calc(var(--navbar-height) + 2.5rem) clamp(0.75rem, 2vw, 2rem) 3rem;
  background: linear-gradient(125deg, #1e755f, #145fa0, #b32486, #cd951a);
  background-size: 800% 800%;
  animation: pageGradient 11s ease infinite;
}

.page-shell {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
}

.breadcrumb {
  margin: 0 0 1.25rem;
  padding: 0.75rem 1rem;
  color: #5b6470;
  background-color: #f8f9fa;
  border: 0.0625rem solid #e5e7eb;
  border-radius: var(--radius-small);
  font-size: 0.875rem;
}

.breadcrumb__list {
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  list-style: none;
}

.breadcrumb__item {
  min-width: 0;
  display: flex;
  align-items: center;
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin: 0 0.375rem;
  flex: 0 0 auto;
  color: #9ca3af;
}

.breadcrumb__link {
  color: #5b6470;
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb__link:hover,
.breadcrumb__link:focus-visible {
  color: #0f766e;
}

.breadcrumb__current {
  color: #1f2937;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.page-card {
  padding: 2rem;
  color: var(--color-page-text);
  background-color: var(--color-surface);
  border-radius: 0.625rem;
  box-shadow: var(--shadow-card);
}

.page-card__header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 0.0625rem solid var(--color-page-border);
  text-align: center;
}

.page-card__title {
  margin: 0;
  color: #1f2937;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.category-links {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.category-links a {
  padding: 0.35rem 0.75rem;
  color: #a33838;
  background-color: #fff5f5;
  border: 0.0625rem solid #f2d4d4;
  border-radius: 999px;
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.category-links a:hover,
.category-links a:focus-visible,
.category-links a.on,
.category-links a[aria-current="page"] {
  color: #fff;
  background-color: #c33f3f;
  border-color: #c33f3f;
}

.news-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-list__item {
  padding: 1rem 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.875rem;
  border-bottom: 0.0625rem dashed #d1d5db;
}

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

.news-list__category {
  color: #a33838;
  font-size: 0.875rem;
  white-space: nowrap;
}

.news-list__title {
  min-width: 0;
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.55;
}

.news-list__title a {
  color: #0f766e;
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.2s ease;
}

.news-list__title a:hover,
.news-list__title a:focus-visible {
  color: #0645d8;
}

.news-list__date {
  color: var(--color-page-muted);
  font-size: 0.8125rem;
  white-space: nowrap;
}

.page-pagination {
  width: 100%;
  margin-top: 2rem;
}

.page-pagination > ul.page,
.page-pagination > ol.page,
.page-pagination > ul.pagination,
.page-pagination > ol.pagination,
.page-pagination > div > ul.page,
.page-pagination > div > ol.page,
.page-pagination > div > ul.pagination,
.page-pagination > div > ol.pagination {
  margin: 0;
  padding: 0;
  display: flex;
  flex-flow: row wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  list-style: none;
}

.page-pagination li {
  width: auto;
  height: auto;
  margin: 0;
  padding: 0;
  display: flex;
  float: none;
  flex: 0 0 auto;
  align-items: center;
  line-height: normal;
  list-style: none;
}

.page-pagination > a,
.page-pagination > span,
.page-pagination li > a,
.page-pagination li > span {
  min-height: 2.25rem;
  padding: 0.5rem 0.875rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #4b5563;
  background-color: #fff;
  border: 0.0625rem solid #d1d5db;
  border-radius: 0.375rem;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.page-pagination a {
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-pagination a:hover,
.page-pagination a:focus-visible,
.page-pagination li.active > a,
.page-pagination li.active > span,
.page-pagination li.current > a,
.page-pagination li.current > span,
.page-pagination .page-current > a,
.page-pagination .page-current > span {
  color: #fff;
  background-color: #c33f3f;
  border-color: #c33f3f;
}

.page-pagination a:hover,
.page-pagination a:focus-visible {
  transform: translateY(-0.125rem);
}

.page-pagination a.active,
.page-pagination a.current,
.page-pagination span.active,
.page-pagination span.current,
.page-pagination .active > a,
.page-pagination .active > span,
.page-pagination .current > a,
.page-pagination .current > span {
  color: #fff;
  background-color: #c33f3f;
  border-color: #c33f3f;
}

.page-pagination li.disabled > a,
.page-pagination li.disabled > span,
.page-pagination .page-disabled > a,
.page-pagination .page-disabled > span,
.page-pagination a.disabled,
.page-pagination span.disabled,
.page-pagination a[aria-disabled="true"],
.page-pagination span[aria-disabled="true"] {
  color: #9ca3af;
  background-color: #f9fafb;
  border-color: #e5e7eb;
  cursor: not-allowed;
  pointer-events: none;
}

.page-pagination .page-total > span,
.page-pagination .page-info > span {
  color: #6b7280;
  background-color: #f8fafc;
}

.detail-meta {
  margin: 0.75rem 0 0;
  padding: 0;
  display: flex;
  justify-content: center;
  color: var(--color-page-muted);
  font-size: 0.875rem;
  list-style: none;
}


.detail-tags {
  margin-top: 1.5rem;
  padding-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  border-top: 0.0625rem solid var(--color-page-border);
}

.tag-list {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  padding: 0.25rem 0.625rem;
  color: #475569;
  background-color: #f1f5f9;
  border-radius: 999px;
  font-size: 0.8125rem;
}

.article-body {
  min-width: 0;
  color: var(--color-page-text);
  font-size: 1rem;
  line-height: 1.75;
  text-align: left;
  overflow-wrap: anywhere;
}

.article-body strong {
  color: #111827;
  font-weight: 700;
}

.article-body em {
  font-style: italic;
}

.article-body time {
  font-variant-numeric: tabular-nums;
}

.article-body > :first-child {
  margin-top: 0;
}

.article-body > :last-child {
  margin-bottom: 0;
}

.article-body p,
.article-body ul,
.article-body ol,
.article-body figure,
.article-body table,
.article-body blockquote,
.article-body pre,
.article-body details,
.article-body hr {
  margin-top: 0;
  margin-bottom: 1.25rem;
}

.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4,
.article-body h5,
.article-body h6 {
  margin: 1.75rem 0 0.75rem;
  color: #111827;
  font-weight: 700;
  line-height: 1.3;
  overflow-wrap: anywhere;
  scroll-margin-top: 6rem;
}

.article-body h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.article-body h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.article-body h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
}

.article-body h4 {
  font-size: 1.125rem;
}

.article-body h5 {
  font-size: 1rem;
}

.article-body h6 {
  color: #475569;
  font-size: 0.9375rem;
}

.article-body a {
  color: #0f766e;
  text-decoration-line: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
  overflow-wrap: anywhere;
  transition: color 0.2s ease;
}

.article-body a:hover,
.article-body a:focus-visible {
  color: #115e59;
}

.article-body ul,
.article-body ol {
  padding-left: 1.5rem;
}

.article-body ul {
  list-style: disc outside;
}

.article-body ol {
  list-style: decimal outside;
}

.article-body ul ul {
  list-style-type: circle;
}

.article-body ul ul ul {
  list-style-type: square;
}

.article-body li {
  display: list-item;
  padding-left: 0.125rem;
}

.article-body li::marker {
  color: #0f766e;
  font-weight: 700;
}

.article-body li + li {
  margin-top: 0.375rem;
}

.article-body::after {
  content: "";
  display: table;
  clear: both;
}

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 0.375rem;
}

.article-body > img,
.article-body p > img:only-child {
  display: block;
  margin: 1.5rem auto;
}

.article-body img[align="left"],
.article-body .alignleft {
  margin: 0.5rem 1.25rem 1rem 0;
  float: left;
}

.article-body img[align="right"],
.article-body .alignright {
  margin: 0.5rem 0 1rem 1.25rem;
  float: right;
}

.article-body img[align="center"],
.article-body .aligncenter {
  display: block;
  margin-right: auto;
  margin-left: auto;
}

.article-body figure {
  max-width: 100%;
}

.article-body figure img {
  margin: 0;
}

.article-body figcaption,
.article-body cite {
  color: var(--color-page-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.article-body figcaption {
  margin-top: 0.625rem;
}

.article-body table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  border-spacing: 0;
  font-size: 0.9375rem;
  -webkit-overflow-scrolling: touch;
}

.article-body caption {
  margin-bottom: 0.625rem;
  color: #374151;
  font-weight: 700;
  text-align: left;
}

.article-body th,
.article-body td {
  min-width: 7rem;
  padding: 0.75rem 0.875rem;
  border: 0.0625rem solid var(--color-page-border);
  text-align: left;
  vertical-align: top;
}

.article-body thead,
.article-body tbody tr:nth-child(even) {
  background-color: #f8fafc;
}

.article-body blockquote {
  padding: 1rem 1.125rem;
  color: #374151;
  background-color: #f8fafc;
  border-left: 0.25rem solid #0f766e;
}

.article-body blockquote > :last-child {
  margin-bottom: 0;
}

.article-body code,
.article-body kbd,
.article-body pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.article-body code {
  padding: 0.15em 0.35em;
  color: #111827;
  background-color: #f3f4f6;
  border-radius: 0.25rem;
  font-size: 0.9em;
}

.article-body kbd {
  padding: 0.15em 0.45em;
  background-color: #fff;
  border: 0.0625rem solid #d1d5db;
  border-bottom-width: 0.125rem;
  border-radius: 0.25rem;
}

.article-body pre {
  max-width: 100%;
  padding: 1rem;
  overflow-x: auto;
  color: #e5e7eb;
  background-color: #111827;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.7;
  white-space: pre;
  -webkit-overflow-scrolling: touch;
}

.article-body pre code {
  padding: 0;
  color: inherit;
  background-color: transparent;
  font-size: inherit;
  white-space: inherit;
}

.article-body details {
  padding: 0.875rem 1rem;
  background-color: #f8fafc;
  border: 0.0625rem solid var(--color-page-border);
  border-radius: var(--radius-small);
}

.article-body summary {
  color: #111827;
  font-weight: 700;
  cursor: pointer;
}

.article-body details > :not(summary) {
  margin-top: 0.875rem;
}

.article-body mark {
  padding: 0.1em 0.25em;
  background-color: #fef3c7;
  border-radius: 0.2em;
}

.article-body abbr[title] {
  cursor: help;
  text-decoration: underline dotted;
  text-underline-offset: 0.18em;
}

.article-body hr {
  height: 0;
  border: 0;
  border-top: 0.0625rem solid var(--color-page-border);
}

.article-body iframe,
.article-body video {
  max-width: 100%;
}

@keyframes rotate {
  to {
    transform: rotate(360deg);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-1.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(1.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pageGradient {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@media (min-width: 120rem) {
  :root {
    --content-width: 96rem;
  }

  .container,
  .page-shell,
  .navbar-inner {
    padding-right: 1.5rem;
    padding-left: 1.5rem;
  }

  .page-card {
    padding: 2.5rem;
  }
}

@media (max-width: 75rem) {
  .intro-highlights,
  .price-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 48rem) {
  .navbar {
    padding: 0.75rem 1rem;
  }

  .navbar-inner {
    min-height: 2.75rem;
    justify-content: space-between;
  }

  .nav-brand {
    max-width: calc(100% - 4rem);
    display: block;
    overflow: hidden;
    color: #fff;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .nav-toggle {
    z-index: 1002;
    display: block;
    flex: 0 0 auto;
  }

  .nav-links {
    position: fixed;
    top: var(--navbar-height);
    right: 0;
    bottom: 0;
    left: 0;
    height: calc(100dvh - var(--navbar-height));
    max-height: none;
    padding: clamp(1rem, 3vh, 2rem) 1rem max(1rem, env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-auto-rows: minmax(3.25rem, 1fr);
    align-content: stretch;
    gap: clamp(0.375rem, 1.2vh, 0.75rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    visibility: hidden;
    opacity: 0;
    background-color: rgba(26, 26, 26, 0.985);
    pointer-events: none;
    transform: translateY(-0.5rem);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    -webkit-overflow-scrolling: touch;
  }

  .nav-links.active {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a {
    width: min(100%, 22rem);
    height: 100%;
    min-height: 3.25rem;
    margin: 0 auto;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .alert-banner {
    top: var(--navbar-height);
    font-size: 0.8125rem;
  }

  .hero {
    padding: 10rem 1rem 5rem;
  }

  .version {
    display: block;
    margin: 0.5rem 0 0;
    white-space: normal;
  }

  .feature-row {
    flex-direction: column;
    gap: 0.4rem;
  }

  .dot {
    display: none;
  }

  .cta-button,
  .btn-buy {
    width: min(100%, 20rem);
    min-width: 0;
  }

  .intro,
  .features,
  .video-demo,
  .tutorial,
  .notice,
  .faq,
  .price,
  .contact,
  .blog {
    padding: 4rem 0;
  }

  .intro-highlights,
  .feature-grid,
  .tutorial-steps,
  .notice-list,
  .price-cards,
  .blog-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .highlight-item,
  .feature-card,
  .step,
  .notice-item,
  .price-card,
  .contact-item,
  .blog-card {
    padding: 1.5rem;
  }

  .floating-download {
    bottom: 1rem;
  }

  .floating-button {
    padding: 0.75rem 1.25rem;
  }

  .page-main {
    padding: calc(var(--navbar-height) + 1.5rem) 0.75rem 2rem;
  }

  .breadcrumb {
    margin-bottom: 1rem;
    padding: 0.625rem 0.75rem;
  }

  .breadcrumb__list {
    align-items: flex-start;
  }

  .page-card {
    padding: 1.25rem;
  }

  .page-card__header {
    margin-bottom: 1.25rem;
  }

  .news-list__item {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: 0.5rem 0.75rem;
  }

  .news-list__date {
    grid-column: 2;
  }

  .page-pagination > ul.page,
  .page-pagination > ol.page,
  .page-pagination > ul.pagination,
  .page-pagination > ol.pagination,
  .page-pagination > div > ul.page,
  .page-pagination > div > ol.page,
  .page-pagination > div > ul.pagination,
  .page-pagination > div > ol.pagination {
    gap: 0.25rem;
  }

  .page-pagination > a,
  .page-pagination > span,
  .page-pagination li > a,
  .page-pagination li > span {
    min-height: 2.125rem;
    padding: 0.5rem 0.625rem;
    font-size: 0.8125rem;
  }

  .detail-tags {
    align-items: flex-start;
  }

  .article-body {
    font-size: 0.9375rem;
    line-height: 1.7;
  }

  .site-footer {
    padding: 1rem 0.75rem;
    font-size: 0.8125rem;
  }

  .home-footer__links a {
    display: inline-block;
    margin: 0.125rem 0.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
    scroll-behavior: auto;
    transition-duration: 0.01ms;
  }

  .hero::before {
    animation: none;
  }
}