:root {
  --blue: #0878ff;
  --blue-soft: #64b5ff;
  --hot: #ff2fb3;
  --red: #ff3b3b;
  --yellow: #ffe04b;
  --lime: #7cff6b;
  --ink: #0b0d12;
  --ink-2: #11141c;
  --paper: #f6f8fb;
  --text: #10131a;
  --muted: #697386;
  --line: rgba(255, 255, 255, .12);
  --dark-card: rgba(255, 255, 255, .08);
  --radius: 8px;
  --content: min(1296px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: #fff;
  background: var(--ink);
  font-family: "Arial Black", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
}

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

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 82px;
  padding: 0 max(24px, calc((100vw - 1296px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(11, 13, 18, .9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  min-width: 198px;
  line-height: 0;
}

.brand img {
  width: auto;
  height: 50px;
  max-width: min(238px, 34vw);
  object-fit: contain;
}

.brand small {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, .62);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .04em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(255, 255, 255, .78);
  font-size: 14px;
  font-weight: 900;
}

.site-nav a {
  transition: color .2s ease, transform .2s ease;
}

.site-nav a:hover {
  color: #fff;
  transform: translateY(-1px);
}

.nav-cta {
  height: 42px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--hot));
  border: 1px solid rgba(255, 255, 255, .24);
  box-shadow: 0 12px 30px rgba(255, 47, 179, .22);
}

.lang {
  padding-left: 8px;
  color: rgba(255, 255, 255, .58);
}

.menu-toggle {
  display: none;
  height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .2);
  color: #fff;
  background: rgba(255, 255, 255, .08);
  font: inherit;
  font-size: 13px;
  font-weight: 900;
}

.hero {
  position: relative;
  min-height: 768px;
  padding: 118px max(24px, calc((100vw - 1296px) / 2)) 70px;
  display: grid;
  grid-template-columns: minmax(420px, 545px) minmax(520px, 1fr);
  gap: clamp(38px, 5vw, 78px);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(11, 13, 18, 1) 0%, rgba(11, 13, 18, .94) 39%, rgba(11, 13, 18, .58) 100%),
    linear-gradient(112deg, transparent 0 58%, rgba(255, 224, 75, .16) 58% 59%, transparent 59% 100%),
    linear-gradient(126deg, transparent 0 64%, rgba(255, 47, 179, .18) 64% 65%, transparent 65% 100%),
    linear-gradient(180deg, rgba(11, 13, 18, .08), #0b0d12 95%),
    url("assets/hero-video.jpg") right top / cover no-repeat;
  opacity: .96;
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding-top: 64px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin: 0;
  color: var(--blue-soft);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 30px;
  height: 2px;
  background: currentColor;
}

.eyebrow.blue {
  color: var(--blue);
}

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

h1 {
  margin-top: 24px;
  font-size: clamp(58px, 6vw, 88px);
  line-height: .92;
  letter-spacing: 0;
  font-weight: 950;
}

.lead {
  max-width: 536px;
  margin-top: 28px;
  color: rgba(255, 255, 255, .8);
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.78;
  font-weight: 700;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 36px;
}

.actions.centered {
  justify-content: center;
}

.button {
  min-height: 50px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 950;
  border: 1px solid rgba(255, 255, 255, .2);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

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

.button.primary {
  background: linear-gradient(135deg, var(--blue), #165dff 55%, var(--hot));
  box-shadow: 0 16px 34px rgba(8, 120, 255, .28);
}

.button.secondary {
  background: rgba(255, 255, 255, .08);
  color: #fff;
}

.signal-grid {
  max-width: 520px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 46px;
}

.signal-card {
  min-height: 92px;
  position: relative;
  overflow: hidden;
  padding: 18px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .04));
  border: 1px solid rgba(255, 255, 255, .14);
}

.signal-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--hot), var(--yellow));
}

.signal-card strong {
  display: block;
  font-size: 24px;
  font-weight: 950;
}

.signal-card span {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, .65);
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 12px;
  line-height: 1.35;
  font-weight: 800;
}

.showcase {
  position: relative;
  z-index: 2;
  min-height: 606px;
  align-self: end;
}

.showcase::before {
  content: "";
  position: absolute;
  inset: 20px -22px 22px -16px;
  background:
    linear-gradient(115deg, transparent 0 30%, rgba(8, 120, 255, .2) 30% 30.4%, transparent 30.4% 100%),
    linear-gradient(123deg, transparent 0 48%, rgba(255, 47, 179, .16) 48% 48.4%, transparent 48.4% 100%),
    linear-gradient(128deg, transparent 0 62%, rgba(255, 224, 75, .14) 62% 62.4%, transparent 62.4% 100%),
    linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: auto, auto, auto, 42px 42px, 42px 42px;
  border: 1px solid rgba(255, 255, 255, .08);
  transform: skewX(-7deg);
  opacity: .86;
  pointer-events: none;
}

.showcase::after {
  content: "";
  position: absolute;
  left: 48%;
  top: 186px;
  width: 278px;
  height: 2px;
  background: linear-gradient(90deg, rgba(8, 120, 255, 0), rgba(124, 255, 107, .88), rgba(255, 47, 179, .82), rgba(255, 224, 75, .72), rgba(255, 59, 59, 0));
  transform: rotate(20deg);
  box-shadow: 0 0 18px rgba(8, 120, 255, .48);
  pointer-events: none;
}

.main-video {
  position: absolute;
  left: 0;
  top: 76px;
  width: min(55vw, 404px);
  height: 228px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .18);
  box-shadow: 0 32px 90px rgba(0, 0, 0, .48), 0 0 0 1px rgba(255, 224, 75, .32), 0 0 42px rgba(255, 47, 179, .2), 0 0 54px rgba(8, 120, 255, .22);
  transform: rotate(-1.4deg);
}

.main-video img,
.phone-card img,
.mini-card img,
.program-card img,
.case-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.main-video::before {
  content: "HOT STAGE";
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
  height: 27px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--hot), var(--red));
  font-size: 11px;
  font-weight: 950;
  letter-spacing: .06em;
}

.main-video::after {
  content: "NEW EP";
  position: absolute;
  right: 14px;
  top: 14px;
  z-index: 2;
  height: 27px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  border-radius: 999px;
  color: #111;
  background: var(--yellow);
  font-size: 11px;
  font-weight: 950;
}

.play-button {
  position: absolute;
  left: 24px;
  bottom: 22px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--hot));
  box-shadow: 0 14px 30px rgba(8, 120, 255, .35);
}

.play-button::after {
  content: "";
  position: absolute;
  left: 22px;
  top: 17px;
  width: 0;
  height: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 14px solid #fff;
}

.video-caption {
  position: absolute;
  left: 94px;
  right: 22px;
  bottom: 25px;
  font-size: 18px;
  line-height: 1.18;
  font-weight: 950;
  text-shadow: 0 2px 14px rgba(0, 0, 0, .6);
}

.studio-note {
  position: absolute;
  left: 18px;
  top: 328px;
  width: min(55vw, 404px);
  padding: 18px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(8, 120, 255, .22), rgba(255, 47, 179, .18), rgba(255, 224, 75, .1)), rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .18);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .28), inset 0 1px 0 rgba(255, 255, 255, .18);
  backdrop-filter: blur(10px);
}

.studio-note strong {
  display: block;
  font-size: 27px;
  font-weight: 950;
}

.studio-note span {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, .72);
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 12px;
  line-height: 1.45;
  font-weight: 800;
}

.mini-stack {
  position: absolute;
  left: 7px;
  bottom: 36px;
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 194px));
  gap: 16px;
  transform: rotate(-1.2deg);
}

.mini-card {
  height: 126px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, .16);
  background: #222;
  box-shadow: 0 18px 46px rgba(0, 0, 0, .28), 0 0 26px rgba(255, 47, 179, .12);
}

.mini-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  z-index: 2;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--hot), var(--yellow));
}

.mini-card::after {
  content: attr(data-label);
  position: absolute;
  left: 12px;
  bottom: 10px;
  color: #fff;
  font-size: 13px;
  font-weight: 950;
  text-shadow: 0 1px 10px rgba(0, 0, 0, .8);
}

.phone-card {
  position: absolute;
  right: 0;
  top: 42px;
  width: 268px;
  height: 536px;
  overflow: hidden;
  border-radius: 34px;
  border: 9px solid rgba(255, 255, 255, .16);
  background: #111;
  box-shadow: 0 34px 100px rgba(0, 0, 0, .5), -14px 0 42px rgba(8, 120, 255, .22), 14px 0 42px rgba(255, 47, 179, .2);
  transform: rotate(1.2deg);
}

.phone-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(8, 120, 255, .16), transparent 35%), repeating-linear-gradient(180deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 7px);
  mix-blend-mode: screen;
}

.phone-card span {
  position: absolute;
  left: 18px;
  top: 18px;
  z-index: 2;
  height: 30px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  border-radius: 999px;
  color: #fff;
  background: rgba(255, 59, 59, .94);
  font-size: 12px;
  font-weight: 950;
}

.broadcast-pill,
.fan-badge,
.variety-tape {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  font-weight: 950;
}

.broadcast-pill {
  left: 42%;
  top: 32px;
  height: 38px;
  gap: 9px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .18);
  font-size: 12px;
  letter-spacing: .04em;
  backdrop-filter: blur(10px);
}

.broadcast-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 6px rgba(255, 59, 59, .16), 0 0 18px rgba(255, 59, 59, .7);
}

.fan-badge {
  left: 55%;
  top: 282px;
  height: 34px;
  padding: 0 13px;
  border-radius: 999px;
  background: var(--lime);
  color: #10131a;
  font-size: 12px;
  transform: rotate(6deg);
  box-shadow: 0 16px 34px rgba(124, 255, 107, .18);
}

.variety-tape {
  right: 38px;
  bottom: 56px;
  height: 36px;
  padding: 0 14px;
  border-radius: 4px;
  background: var(--yellow);
  color: #121212;
  font-size: 13px;
  letter-spacing: .05em;
  transform: rotate(-5deg);
  box-shadow: 0 16px 36px rgba(0, 0, 0, .28);
}

.live-strip {
  min-height: 74px;
  padding: 0 max(24px, calc((100vw - 1296px) / 2));
  display: flex;
  align-items: center;
  gap: 30px;
  overflow-x: auto;
  white-space: nowrap;
  background: #06070a;
  border-top: 1px solid rgba(255, 255, 255, .1);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
  font-weight: 900;
}

.live-strip b {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
}

.live-strip b::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 6px rgba(255, 59, 59, .16);
}

.section {
  padding: 72px max(24px, calc((100vw - 1296px) / 2));
}

.section.light {
  color: var(--text);
  background: var(--paper);
}

.section.dark {
  color: #fff;
  background: #0b0d12;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: clamp(32px, 5vw, 74px);
  align-items: start;
}

.section-head.compact {
  grid-template-columns: minmax(300px, 540px) 1fr;
}

.section h2,
.contact h2 {
  margin-top: 18px;
  font-size: clamp(36px, 4vw, 54px);
  line-height: 1.05;
  font-weight: 950;
  letter-spacing: 0;
}

.section-head > p,
.business > div > p,
.contact > p {
  color: var(--muted);
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.78;
  font-weight: 700;
}

.section.dark .section-head > p {
  color: rgba(255, 255, 255, .68);
}

.program-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 44px;
}

.program-card,
.case-card {
  overflow: hidden;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid rgba(17, 24, 39, .1);
  box-shadow: 0 12px 36px rgba(17, 24, 39, .04);
}

.program-card img {
  height: 152px;
}

.program-card div,
.case-card div {
  padding: 20px;
}

.program-card h3,
.case-card h3 {
  color: #111827;
  font-size: 21px;
  line-height: 1.14;
  font-weight: 950;
}

.program-card p,
.case-card p {
  margin-top: 10px;
  color: #6b7280;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 13px;
  line-height: 1.58;
  font-weight: 700;
}

.workflow {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  overflow: hidden;
}

.workflow div {
  min-height: 190px;
  padding: 26px;
  background: rgba(255, 255, 255, .055);
  border-right: 1px solid rgba(255, 255, 255, .1);
}

.workflow div:last-child {
  border-right: 0;
}

.workflow span {
  color: var(--blue-soft);
  font-weight: 950;
}

.workflow strong {
  display: block;
  margin-top: 18px;
  font-size: 22px;
  font-weight: 950;
}

.workflow p {
  margin-top: 12px;
  color: rgba(255, 255, 255, .66);
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  font-weight: 700;
}

.channels {
  background:
    linear-gradient(135deg, rgba(8, 120, 255, .08), rgba(255, 47, 179, .05)),
    var(--paper);
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-top: 42px;
}

.channel-grid div {
  min-height: 118px;
  padding: 20px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid rgba(17, 24, 39, .1);
}

.channel-grid strong {
  display: block;
  color: #111827;
  font-size: 21px;
  font-weight: 950;
}

.channel-grid span {
  display: block;
  margin-top: 8px;
  color: #6b7280;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 13px;
  line-height: 1.45;
  font-weight: 700;
}

.business {
  display: grid;
  grid-template-columns: minmax(280px, 410px) 1fr;
  gap: clamp(34px, 5vw, 70px);
  background: #fff;
}

.business .case-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 0;
}

.case-card img {
  height: 136px;
}

.contact {
  padding: 84px max(24px, calc((100vw - 1040px) / 2));
  text-align: center;
  background:
    linear-gradient(135deg, rgba(8, 120, 255, .22), rgba(255, 47, 179, .18), rgba(255, 224, 75, .1)),
    #0b0d12;
}

.contact .eyebrow {
  justify-content: center;
}

.contact .eyebrow::before {
  display: none;
}

.contact h2 {
  max-width: 1120px;
  margin-inline: auto;
}

.keep {
  white-space: nowrap;
}

.contact > p {
  max-width: 720px;
  margin: 22px auto 0;
  color: rgba(255, 255, 255, .72);
}

.site-footer {
  min-height: 108px;
  padding: 0 max(24px, calc((100vw - 1296px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: #0b0d12;
  border-top: 1px solid rgba(255, 255, 255, .1);
}

.site-footer strong {
  font-size: 28px;
  font-weight: 950;
}

.site-footer span {
  color: rgba(255, 255, 255, .62);
  font-size: 14px;
  font-weight: 760;
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 94px;
  }

  .hero-copy {
    padding-top: 0;
  }

  .showcase {
    width: min(760px, 100%);
    min-height: 620px;
  }

  .main-video,
  .studio-note {
    width: min(56vw, 420px);
  }

  .program-grid,
  .workflow,
  .channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .business,
  .section-head,
  .section-head.compact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  :root {
    --content: calc(100vw - 32px);
  }

  .site-header {
    height: 74px;
    padding-inline: 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand img {
    height: 42px;
    max-width: 168px;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
  }

  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 82px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px;
    border-radius: var(--radius);
    background: rgba(11, 13, 18, .96);
    border: 1px solid rgba(255, 255, 255, .14);
  }

  .site-header.is-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 13px 12px;
  }

  .nav-cta {
    justify-content: center;
    margin-top: 8px;
  }

  .hero {
    min-height: auto;
    padding: 72px 16px 42px;
  }

  h1 {
    font-size: clamp(48px, 16vw, 68px);
  }

  .lead {
    font-size: 16px;
  }

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

  .showcase {
    min-height: auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .showcase::before,
  .showcase::after,
  .broadcast-pill,
  .fan-badge,
  .variety-tape {
    display: none;
  }

  .main-video,
  .studio-note,
  .mini-stack,
  .phone-card {
    position: relative;
    inset: auto;
    width: 100%;
    transform: none;
  }

  .main-video {
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .studio-note {
    order: 2;
  }

  .mini-stack {
    order: 3;
    grid-template-columns: 1fr 1fr;
  }

  .mini-card {
    height: auto;
    aspect-ratio: 16 / 10;
  }

  .phone-card {
    order: 4;
    height: auto;
    aspect-ratio: 4 / 5;
    border-radius: 22px;
  }

  .live-strip {
    padding-inline: 16px;
  }

  .section {
    padding: 54px 16px;
  }

  .program-grid,
  .workflow,
  .channel-grid,
  .business .case-grid {
    grid-template-columns: 1fr;
  }

  .workflow div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

  .workflow div:last-child {
    border-bottom: 0;
  }

  .contact {
    padding: 62px 16px;
  }

  .site-footer {
    padding: 28px 16px;
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}
