:root {
  --white: #ffffff;
  --navy: #071331;
  --blue: #075dff;
  --blue-hover: #004ee7;
  --cyan: #10b9d6;
  --pale: #f4f8ff;
  --pale-2: #eaf2ff;
  --muted: #54647d;
  --line: #d8e4f4;
  --line-strong: #b8ccec;
  --shadow: 0 22px 62px rgba(30, 76, 148, 0.12), 0 3px 13px rgba(30, 76, 148, 0.07);
  --max: 1320px;
  --gutter: max(32px, calc((100vw - var(--max)) / 2));
}

* {
  box-sizing: border-box;
}

html {
  background: var(--white);
  scroll-behavior: smooth;
}

body {
  background: var(--white);
  color: var(--navy);
  font-family: "Noto Sans CJK SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  margin: 0;
  overflow-x: hidden;
  text-wrap: pretty;
}

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

h1,
h2,
h3 {
  text-wrap: balance;
}

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

button,
a {
  font: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(7, 93, 255, 0.42);
  outline-offset: 4px;
}

.skip-link {
  background: var(--navy);
  color: var(--white);
  left: 16px;
  padding: 10px 14px;
  position: fixed;
  top: 12px;
  transform: translateY(-160%);
  transition: transform 0.18s ease;
  z-index: 100;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  display: flex;
  height: 96px;
  justify-content: space-between;
  padding: 0 var(--gutter);
  position: relative;
  width: 100%;
  z-index: 30;
}

.brand {
  align-items: center;
  display: inline-flex;
  flex: 0 0 auto;
}

.brand-logo-crop {
  display: block;
  height: 58px;
  overflow: hidden;
  position: relative;
  width: 238px;
}

.brand-logo-crop img {
  display: block;
  height: 304px;
  left: -33px;
  max-width: none;
  position: absolute;
  top: -123px;
  width: 304px;
}

.site-header nav {
  align-items: center;
  display: flex;
  gap: 38px;
}

.site-header nav a {
  color: var(--navy);
  font-size: 15px;
  font-weight: 700;
  padding: 12px 0;
  position: relative;
}

.site-header nav a::after {
  background: var(--blue);
  bottom: 4px;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
  width: 100%;
}

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

.home-link {
  align-items: center;
  display: inline-flex;
  gap: 10px;
}

.home-link svg {
  height: 20px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 20px;
}

.video-section {
  background: linear-gradient(180deg, var(--white) 0%, var(--pale) 100%);
  overflow: hidden;
  position: relative;
}

.technical-grid {
  background-image: linear-gradient(rgba(7, 93, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 93, 255, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  inset: 0;
  mask-image: linear-gradient(90deg, transparent, black 55%, transparent);
  opacity: 0.65;
  pointer-events: none;
  position: absolute;
}

.video-section-inner {
  margin: 0 auto;
  padding: 68px 32px 76px;
  position: relative;
  width: min(1180px, 100%);
  z-index: 1;
}

.hero-copy {
  margin: 0 auto 44px;
  max-width: 900px;
  text-align: center;
}

.hero-copy h1 {
  font-size: clamp(42px, 4.2vw, 64px);
  font-weight: 900;
  letter-spacing: -0.052em;
  line-height: 1.16;
  margin-bottom: 18px;
}

.hero-copy p {
  color: #344762;
  font-size: clamp(17px, 1.5vw, 22px);
  line-height: 1.75;
  margin-bottom: 0;
}

.video-frame {
  aspect-ratio: 16 / 9;
  background: var(--navy);
  border: 1px solid #194a9a;
  border-radius: 16px;
  box-shadow: 0 28px 70px rgba(7, 19, 49, 0.25);
  margin: 0 auto;
  max-width: 1080px;
  overflow: hidden;
  position: relative;
}

.video-stage {
  background: #020817;
  inset: 0;
  position: absolute;
}

.video-cover {
  display: block;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.2s ease;
  width: 100%;
}

.video-cover-overlay {
  background: linear-gradient(180deg, rgba(3, 10, 24, 0.28) 0%, transparent 38%, rgba(3, 10, 24, 0.88) 100%);
  color: var(--white);
  inset: 0;
  position: absolute;
  transition: opacity 0.2s ease;
}

.video-label {
  color: #76c9ff;
  font-size: 13px;
  font-weight: 900;
  left: 34px;
  letter-spacing: 0.08em;
  position: absolute;
  top: 30px;
}

.play-button {
  align-items: center;
  background: rgba(7, 19, 49, 0.68);
  border: 4px solid #4f9dff;
  border-radius: 50%;
  color: var(--white);
  cursor: pointer;
  display: flex;
  height: 94px;
  justify-content: center;
  left: 50%;
  padding: 0;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
  width: 94px;
}

.play-button:hover {
  background: #2581ff;
  color: var(--white);
  transform: translate(-50%, -50%) scale(1.06);
}

.play-button svg {
  height: 48px;
  transform: translateX(3px);
  width: 48px;
}

.video-caption {
  bottom: 30px;
  left: 36px;
  max-width: min(720px, calc(100% - 210px));
  position: absolute;
}

.video-owner {
  color: #76c9ff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.video-caption h2 {
  display: -webkit-box;
  font-size: clamp(18px, 2vw, 27px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.35;
  margin-bottom: 0;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.video-stage iframe {
  border: 0;
  height: 100%;
  inset: 0;
  position: absolute;
  width: 100%;
  z-index: 4;
}

.video-frame[data-playing="true"] .video-cover,
.video-frame[data-playing="true"] .video-cover-overlay,
.video-frame[data-playing="true"] .carousel-dots,
.video-frame[data-playing="true"] .video-counter,
.video-frame[data-playing="true"] .video-progress {
  opacity: 0;
  pointer-events: none;
}

.carousel-arrow {
  align-items: center;
  background: rgba(7, 19, 49, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 50%;
  color: var(--white);
  cursor: pointer;
  display: flex;
  height: 52px;
  justify-content: center;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
  width: 52px;
  z-index: 7;
}

.carousel-arrow:hover {
  background: var(--blue);
  border-color: var(--blue);
  transform: translateY(-50%) scale(1.05);
}

.carousel-arrow svg {
  height: 25px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  width: 25px;
}

.carousel-arrow-prev {
  left: 20px;
}

.carousel-arrow-next {
  right: 20px;
}

.carousel-dots {
  align-items: center;
  bottom: 24px;
  display: flex;
  gap: 8px;
  justify-content: center;
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
  transition: opacity 0.18s ease;
  z-index: 6;
}

.carousel-dots button {
  background: rgba(255, 255, 255, 0.52);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  height: 7px;
  padding: 0;
  transition: background 0.18s ease, width 0.18s ease;
  width: 7px;
}

.carousel-dots button[aria-current="true"] {
  background: #6db6ff;
  width: 26px;
}

.video-counter {
  bottom: 28px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  letter-spacing: 0.08em;
  position: absolute;
  right: 34px;
  transition: opacity 0.18s ease;
  z-index: 6;
}

.video-progress {
  background: rgba(255, 255, 255, 0.16);
  bottom: 0;
  height: 4px;
  left: 0;
  position: absolute;
  right: 0;
  transition: opacity 0.18s ease;
  z-index: 7;
}

.video-progress span {
  background: linear-gradient(90deg, var(--blue), #65d8ef);
  display: block;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
}

.video-progress-active {
  animation: video-progress 5s linear forwards;
}

@keyframes video-progress {
  to {
    transform: scaleX(1);
  }
}

.video-corner {
  border-color: #1f76ff;
  border-style: solid;
  height: 90px;
  pointer-events: none;
  position: absolute;
  width: 90px;
  z-index: 2;
}

.video-corner-top {
  border-width: 2px 2px 0 0;
  right: 26px;
  top: 26px;
}

.video-corner-bottom {
  border-width: 0 0 2px 2px;
  bottom: 26px;
  left: 26px;
}

.video-corner::before,
.video-corner::after {
  background: #2a8cff;
  border-radius: 50%;
  content: "";
  height: 7px;
  position: absolute;
  width: 7px;
}

.video-corner-top::before {
  left: -4px;
  top: -4px;
}

.video-corner-top::after {
  right: -4px;
  top: -4px;
}

.video-corner-bottom::before {
  bottom: -4px;
  left: -4px;
}

.video-corner-bottom::after {
  bottom: -4px;
  right: -4px;
}

.creator-section {
  background: var(--white);
}

.creator-section-inner {
  margin: 0 auto;
  padding: 96px 32px 104px;
  width: min(1180px, 100%);
}

.section-heading {
  margin: 0 auto 48px;
  text-align: center;
}

.section-heading h2 {
  font-size: clamp(38px, 3.5vw, 52px);
  font-weight: 900;
  letter-spacing: -0.048em;
  margin-bottom: 14px;
}

.section-heading p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 0;
}

.creator-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.creator-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 12px 36px rgba(30, 76, 148, 0.07);
  display: flex;
  flex-direction: column;
  min-height: 404px;
  overflow: hidden;
  padding: 30px 28px 24px;
  position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.creator-card::before {
  background: var(--blue);
  content: "";
  height: 4px;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
}

.creator-card:hover,
.creator-card:focus-within {
  background: linear-gradient(145deg, var(--white), var(--pale));
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
  transform: translateY(-5px);
}

.creator-number {
  color: var(--blue);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.creator-avatar {
  align-items: center;
  background: var(--pale-2);
  border-radius: 50%;
  display: flex;
  height: 112px;
  justify-content: center;
  margin: 22px auto 18px;
  overflow: hidden;
  width: 112px;
}

.creator-avatar img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.avatar-placeholder {
  color: var(--blue);
  display: block;
  height: 70px;
  width: 70px;
}

.avatar-placeholder svg {
  height: 100%;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.8;
  width: 100%;
}

.creator-card h3 {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
  text-align: center;
}

.creator-description {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  margin: 0 auto;
  max-width: 260px;
  text-align: center;
}

.creator-card-footer {
  align-items: flex-end;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 26px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tag-list li {
  background: var(--white);
  border: 1px solid #97bcff;
  border-radius: 5px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  padding: 7px 8px;
}

.card-arrow {
  align-items: center;
  color: var(--blue);
  display: inline-flex;
  flex: 0 0 auto;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.card-arrow svg {
  height: 22px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  width: 22px;
}

a.card-arrow:hover {
  background: var(--pale-2);
  border-radius: 50%;
}

.tome-section {
  background: linear-gradient(135deg, #06122f, #0b2254);
  color: var(--white);
  overflow: hidden;
  position: relative;
}

.tome-section::after {
  background-image: linear-gradient(90deg, transparent 0 18%, rgba(31, 118, 255, 0.42) 18% 18.18%, transparent 18.18%),
    linear-gradient(rgba(31, 118, 255, 0.28) 1px, transparent 1px);
  background-size: 100% 58px;
  bottom: 0;
  content: "";
  height: 232px;
  opacity: 0.45;
  pointer-events: none;
  position: absolute;
  right: 0;
  width: 42%;
}

.tome-inner {
  align-items: center;
  display: grid;
  gap: clamp(54px, 8vw, 120px);
  grid-template-columns: minmax(320px, 0.8fr) minmax(420px, 1.2fr);
  margin: 0 auto;
  padding: 94px 32px;
  position: relative;
  width: min(1180px, 100%);
  z-index: 1;
}

.tome-visual {
  align-items: center;
  aspect-ratio: 1;
  background: linear-gradient(145deg, #ffffff, #eaf2ff);
  border: 1px solid rgba(184, 204, 236, 0.75);
  border-radius: 16px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.3);
  display: flex;
  justify-content: center;
  max-width: 360px;
  overflow: hidden;
  position: relative;
}

.tome-grid {
  background-image: linear-gradient(rgba(7, 93, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 93, 255, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  inset: 0;
  mask-image: radial-gradient(circle, black, transparent 72%);
  position: absolute;
}

.tome-visual img {
  height: 64%;
  object-fit: contain;
  position: relative;
  width: 64%;
  z-index: 1;
}

.tome-copy h2 {
  font-size: clamp(42px, 4.5vw, 64px);
  font-weight: 900;
  letter-spacing: -0.05em;
  margin-bottom: 24px;
}

.tome-copy > p:first-of-type {
  color: #dce7ff;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.85;
  margin-bottom: 20px;
  max-width: 650px;
}

.tome-meta {
  color: #65d8ef;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: 32px;
}

.tome-link {
  align-items: center;
  background: var(--blue);
  border: 2px solid var(--blue);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(7, 93, 255, 0.28);
  display: inline-flex;
  font-size: 17px;
  font-weight: 800;
  gap: 14px;
  min-height: 58px;
  padding: 0 28px;
  transition: background 0.18s ease, transform 0.18s ease;
}

.tome-link:hover {
  background: var(--blue-hover);
  transform: translateY(-2px);
}

.tome-link svg {
  height: 20px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 20px;
}

.site-footer {
  background: var(--white);
  padding: 50px var(--gutter) 30px;
}

.footer-main {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.footer-brand .brand-logo-crop {
  height: 53px;
  width: 218px;
}

.footer-brand .brand-logo-crop img {
  height: 279px;
  left: -30px;
  top: -112px;
  width: 279px;
}

.footer-main nav {
  display: flex;
  gap: 26px;
}

.footer-main nav a {
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
}

.footer-main nav a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-copyright-notice {
  border-top: 1px solid var(--line);
  color: #718099;
  font-size: 11px;
  line-height: 1.65;
  margin-top: 24px;
  padding-top: 22px;
}

.footer-copyright-notice p {
  margin: 0 0 7px;
  max-width: 1180px;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 12px;
  gap: 16px 28px;
  justify-content: space-between;
  letter-spacing: 0.03em;
  margin-top: 38px;
  padding-top: 24px;
}

.footer-bottom a:hover {
  color: var(--blue);
}

.public-security-filing {
  align-items: center;
  display: inline-flex;
  gap: 7px;
  letter-spacing: 0;
  white-space: nowrap;
}

.public-security-filing img {
  flex: 0 0 auto;
  height: 20px;
  object-fit: contain;
  width: 18px;
}

@media (max-width: 900px) {
  :root {
    --gutter: 22px;
  }

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

  .tome-inner {
    gap: 54px;
    grid-template-columns: minmax(260px, 0.8fr) minmax(330px, 1.2fr);
  }
}

@media (max-width: 680px) {
  .site-header {
    height: 78px;
    padding: 0 15px;
  }

  .brand-logo-crop {
    height: 47px;
    width: 194px;
  }

  .brand-logo-crop img {
    height: 248px;
    left: -27px;
    top: -100px;
    width: 248px;
  }

  .site-header nav {
    display: flex;
  }

  .site-header nav a {
    font-size: 13px;
    padding: 10px 0;
  }

  .home-link {
    gap: 6px;
  }

  .home-link svg {
    height: 17px;
    width: 17px;
  }

  .video-section-inner {
    padding: 52px 18px 54px;
  }

  .hero-copy {
    margin-bottom: 34px;
  }

  .hero-copy h1 {
    font-size: clamp(35px, 9.7vw, 44px);
    line-height: 1.22;
  }

  .hero-copy p {
    font-size: 16px;
  }

  .video-frame {
    border-radius: 10px;
  }

  .video-label {
    font-size: 10px;
    left: 16px;
    top: 14px;
  }

  .play-button {
    border-width: 3px;
    height: 58px;
    width: 58px;
  }

  .play-button svg {
    height: 31px;
    width: 31px;
  }

  .video-caption {
    bottom: 13px;
    left: 14px;
    max-width: calc(100% - 28px);
  }

  .video-owner {
    font-size: 9px;
    letter-spacing: 0.03em;
    margin-bottom: 3px;
  }

  .video-caption h2 {
    font-size: 13px;
    line-height: 1.3;
    padding-right: 2px;
  }

  .carousel-arrow {
    height: 38px;
    width: 38px;
  }

  .carousel-arrow svg {
    height: 20px;
    width: 20px;
  }

  .carousel-arrow-prev {
    left: 8px;
  }

  .carousel-arrow-next {
    right: 8px;
  }

  .carousel-dots,
  .video-counter {
    display: none;
  }

  .video-corner {
    height: 44px;
    width: 44px;
  }

  .video-corner-top {
    right: 12px;
    top: 12px;
  }

  .video-corner-bottom {
    bottom: 12px;
    left: 12px;
  }

  .creator-section-inner {
    padding: 72px 18px 80px;
  }

  .section-heading {
    margin-bottom: 36px;
  }

  .section-heading h2 {
    font-size: 36px;
  }

  .section-heading p {
    font-size: 16px;
  }

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

  .creator-card {
    min-height: 376px;
  }

  .tome-inner {
    gap: 40px;
    grid-template-columns: 1fr;
    padding: 72px 18px 78px;
  }

  .tome-visual {
    justify-self: center;
    max-width: 280px;
    width: 82%;
  }

  .tome-copy {
    text-align: center;
  }

  .tome-copy h2 {
    font-size: 39px;
  }

  .tome-copy > p:first-of-type {
    font-size: 17px;
  }

  .tome-link {
    font-size: 16px;
    justify-content: center;
    min-height: 56px;
    width: 100%;
  }

  .site-footer {
    padding: 36px 20px 26px;
  }

  .footer-main {
    align-items: flex-start;
    display: grid;
    gap: 22px;
  }

  .footer-main nav {
    gap: 22px;
  }

  .footer-copyright-notice {
    font-size: 10px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    font-size: 12px;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}