:root {
  --bg: #0a0b10;
  --bg-soft: #0d0f16;
  --bg-elev: #12141d;
  --card: rgba(255, 255, 255, 0.042);
  --card-strong: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.09);
  --line-soft: rgba(255, 255, 255, 0.06);
  --text: #f2f5fb;
  --text-soft: #c9d0e0;
  --muted: #98a0b5;
  --muted-2: #7f879c;
  --brand: #ff3d63;
  --brand-warm: #ff7a45;
  --brand-soft: rgba(255, 61, 99, 0.14);
  --gold: #ffb648;
  --green: #35d07f;
  --radius: 20px;
  --radius-lg: 26px;
  --shadow-lg: 0 30px 70px rgba(0, 0, 0, 0.5);
  --shadow-brand: 0 14px 34px rgba(255, 61, 99, 0.3);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --ease: cubic-bezier(0.3, 0.7, 0.3, 1);
  --hero-media: 360px;
  --cover-w: 104px;
  --cover-h: 156px;
  --cover-w-2: 94px;
  --cover-h-2: 141px;
  --cover-w-3: 84px;
  --cover-h-3: 126px;
  --poster-w: 272px;
  --poster-h: 408px;
  --feature-h: 304px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(1200px 620px at 82% -8%, rgba(255, 61, 99, 0.14), transparent 62%),
    radial-gradient(900px 520px at 4% 6%, rgba(255, 122, 69, 0.1), transparent 60%),
    linear-gradient(180deg, #0a0b10 0%, #0a0b10 40%, #08090e 100%);
  background-repeat: no-repeat;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 0%, rgba(0, 0, 0, 0.65), transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, rgba(0, 0, 0, 0.65), transparent 72%);
}

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

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

button {
  font-family: inherit;
}

h1,
h2,
h3,
h4,
p,
figure,
blockquote {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

::selection {
  background: rgba(255, 61, 99, 0.35);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--brand-warm);
  outline-offset: 3px;
  border-radius: 8px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font-size: 0.9rem;
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 12px;
}

.container {
  width: min(1180px, 100% - 48px);
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-warm), var(--brand) 62%);
  color: #fff;
  box-shadow: var(--shadow-brand);
}

.btn-primary:hover {
  box-shadow: 0 18px 40px rgba(255, 61, 99, 0.42);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.btn-outline:hover {
  border-color: rgba(255, 122, 69, 0.7);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.btn-ghost {
  color: var(--text-soft);
}

.btn-ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.86rem;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1rem;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(9, 10, 15, 0.82);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding-block: 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(150deg, rgba(255, 122, 69, 0.22), rgba(255, 61, 99, 0.28));
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 10px 26px rgba(255, 61, 99, 0.22);
}

.brand-mark svg {
  width: 26px;
  height: 26px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-text strong {
  font-size: 1.06rem;
  letter-spacing: 0.04em;
}

.brand-text em {
  font-style: normal;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.site-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav a {
  position: relative;
  font-size: 0.9rem;
  color: #b9c1d3;
  padding: 6px 0;
  transition: color 0.2s var(--ease);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand-warm), var(--brand));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s var(--ease);
}

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  padding: 0;
  place-items: center;
  align-content: center;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 2.5px auto;
  border-radius: 2px;
  background: var(--text-soft);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.hero {
  position: relative;
  padding: clamp(120px, 15vw, 168px) 0 0;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}

.hero-glow--one {
  width: 520px;
  height: 520px;
  right: -140px;
  top: 40px;
  background: rgba(255, 61, 99, 0.2);
}

.hero-glow--two {
  width: 460px;
  height: 460px;
  left: -180px;
  top: 220px;
  background: rgba(255, 122, 69, 0.14);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  align-items: center;
  gap: clamp(32px, 5vw, 64px);
  padding-bottom: clamp(28px, 4vw, 48px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: #ffc3b0;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(255, 61, 99, 0.16);
}

.hero h1 {
  font-size: clamp(2.6rem, 5.2vw, 4.1rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.h1-line {
  display: block;
  margin-top: 12px;
  font-size: clamp(1.5rem, 2.9vw, 2.3rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  background: linear-gradient(100deg, #fff 0%, #ffd9c9 42%, var(--brand) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin-top: 26px;
  font-size: clamp(1rem, 1.3vw, 1.12rem);
  line-height: 1.9;
  color: var(--text-soft);
  max-width: 560px;
}

.hero-sub {
  margin-top: 14px;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-note {
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.hero-visual {
  position: relative;
  min-height: calc(var(--hero-media) + 40px);
  display: grid;
  place-items: center;
}

.poster-frame {
  position: relative;
  width: var(--hero-media);
  height: var(--hero-media);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.13);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 61, 99, 0.12) inset;
  transform: rotate(-2.5deg);
  transition: transform 0.5s var(--ease);
  background: var(--bg-elev);
}

.poster-frame:hover {
  transform: rotate(0deg) translateY(-4px);
}

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

.poster-caption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 13px;
  background: rgba(8, 9, 14, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.82rem;
  color: #e8ecf5;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(53, 208, 127, 0.16);
  animation: pulse 2s infinite ease-in-out;
}

.poster-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: #fff;
  background: rgba(8, 9, 14, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.float-card {
  position: absolute;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(17, 19, 28, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 22px 46px rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  font-size: 0.8rem;
  animation: floaty 7s ease-in-out infinite;
  z-index: 2;
}

.float-card--sync {
  width: 212px;
  right: -3%;
  top: 9%;
}

.sync-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #e4e9f4;
  font-weight: 500;
}

.sync-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(53, 208, 127, 0.14);
}

.sync-bar {
  height: 6px;
  margin: 11px 0 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.sync-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand-warm), var(--brand));
}

.sync-meta {
  font-size: 0.72rem;
  color: var(--muted);
}

.float-card--badge {
  left: -5%;
  bottom: 6%;
  display: flex;
  align-items: center;
  gap: 9px;
  animation-delay: 1.4s;
}

.badge-strong {
  color: var(--gold);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.badge-text {
  font-size: 0.76rem;
  color: var(--text-soft);
}

.float-cover {
  position: absolute;
  width: var(--cover-w);
  height: var(--cover-h);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
  z-index: 1;
  animation: floaty 8s ease-in-out infinite;
  background: var(--bg-elev);
}

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

.float-cover--one {
  top: 2%;
  left: 0;
  transform: rotate(-9deg);
  animation-delay: 0.6s;
}

.float-cover--two {
  width: var(--cover-w-2);
  height: var(--cover-h-2);
  right: 2%;
  bottom: 6%;
  transform: rotate(7deg);
  animation-delay: 1.8s;
}

.float-cover--two img {
  width: 100%;
  height: 100%;
}

.float-cover--three {
  width: var(--cover-w-3);
  height: var(--cover-h-3);
  right: 8%;
  top: 48%;
  transform: rotate(4deg);
  animation-delay: 2.6s;
  opacity: 0.86;
}

.float-cover--three img {
  width: 100%;
  height: 100%;
}

.bar-62 {
  width: 62%;
}

.bar-42 {
  width: 42%;
}

.bar-26 {
  width: 26%;
}

.bar-22 {
  width: 22%;
}

.bar-10 {
  width: 10%;
}

.stats-strip {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin: 8px 0 0;
  padding: 24px 10px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.stats-strip li {
  padding: 4px 22px;
  border-left: 1px solid var(--line-soft);
}

.stats-strip li:first-child {
  border-left: 0;
}

.stats-strip strong {
  display: block;
  font-size: 1.42rem;
  letter-spacing: 0.01em;
  background: linear-gradient(100deg, #fff, #ffd8cb 60%, var(--brand));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stats-strip span {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.6;
}

.section {
  position: relative;
  padding: clamp(68px, 8.5vw, 112px) 0;
}

.section--alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.034), rgba(255, 255, 255, 0.006));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

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

.section-head h2 {
  font-size: clamp(1.65rem, 3vw, 2.42rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.section-head .eyebrow {
  margin-bottom: 14px;
}

.section-lead {
  margin-top: 16px;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 26px);
}

.feature-grid .reveal:nth-child(2) {
  transition-delay: 0.08s;
}

.feature-grid .reveal:nth-child(3) {
  transition-delay: 0.16s;
}

.feature-grid .reveal:nth-child(4) {
  transition-delay: 0.24s;
}

.feature-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.018));
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 61, 99, 0.42);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.42);
}

.feature-media {
  position: relative;
  width: 100%;
  height: var(--feature-h);
  overflow: hidden;
}

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
  transition: transform 0.7s var(--ease);
}

.feature-card:hover .feature-media img {
  transform: scale(1.07);
}

.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 11, 16, 0.05) 30%, rgba(10, 11, 16, 0.72) 100%);
}

.feature-index {
  position: absolute;
  top: 14px;
  left: 18px;
  z-index: 1;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.92);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(8, 9, 14, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.feature-body {
  padding: clamp(20px, 2.4vw, 28px);
}

.feature-body h3 {
  font-size: 1.18rem;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.feature-body p {
  margin-top: 10px;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--muted);
}

.check-list {
  list-style: none;
  display: grid;
  gap: 9px;
  margin-top: 18px;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.87rem;
  line-height: 1.7;
  color: #bcc4d6;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--brand);
  font-weight: 700;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 34px;
}

.tab {
  padding: 10px 24px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.035);
  color: #cdd4e4;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.tab:hover {
  border-color: rgba(255, 122, 69, 0.55);
  color: #fff;
}

.tab.is-active {
  background: linear-gradient(135deg, var(--brand-warm), var(--brand));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 12px 28px rgba(255, 61, 99, 0.32);
}

.tab-panel.is-hidden {
  display: none;
}

.poster-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, var(--poster-w));
  justify-content: center;
  gap: clamp(16px, 2vw, 22px);
  margin-inline: auto;
}

.poster-card {
  position: relative;
  width: var(--poster-w);
  height: var(--poster-h);
}

.poster-link {
  position: relative;
  display: block;
  width: var(--poster-w);
  height: var(--poster-h);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--bg-elev);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.36);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.poster-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.65s var(--ease);
}

.poster-link:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 61, 99, 0.45);
  box-shadow: 0 26px 50px rgba(0, 0, 0, 0.5);
}

.poster-link:hover img {
  transform: scale(1.06);
}

.poster-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 3px;
  padding: 16px;
  background: linear-gradient(180deg, rgba(8, 9, 14, 0) 34%, rgba(8, 9, 14, 0.86) 82%, #08090e 100%);
}

.poster-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.01em;
}

.poster-meta {
  font-size: 0.79rem;
  color: #c6cdde;
  line-height: 1.55;
}

.poster-stat {
  font-size: 0.73rem;
  color: #9aa2b8;
  line-height: 1.6;
}

.poster-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.poster-badge--live {
  background: var(--brand);
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(255, 61, 99, 0.4);
}

.channel-note {
  margin-top: 26px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted-2);
}

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 22px);
}

.step {
  position: relative;
  padding: 72px 24px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.014));
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.step:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 122, 69, 0.4);
}

.step-num {
  position: absolute;
  top: 18px;
  right: 20px;
  font-size: 3.6rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.18);
}

.step h3 {
  font-size: 1.1rem;
  line-height: 1.5;
}

.step p {
  margin-top: 10px;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--muted);
}

.creator-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(30px, 4.4vw, 56px);
  align-items: center;
}

.creator-copy .section-lead {
  margin-top: 16px;
  font-size: 0.98rem;
}

.creator-list {
  list-style: none;
  display: grid;
  gap: 15px;
  margin: 26px 0 30px;
}

.creator-list li {
  padding-left: 18px;
  border-left: 2px solid rgba(255, 61, 99, 0.5);
}

.creator-list strong {
  display: block;
  font-size: 0.97rem;
  letter-spacing: 0.01em;
}

.creator-list span {
  display: block;
  margin-top: 3px;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--muted);
}

.creator-panel {
  padding: clamp(22px, 2.6vw, 30px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow-lg);
}

.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-top h3 {
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.panel-tag {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px dashed rgba(255, 255, 255, 0.26);
  font-size: 0.7rem;
  color: #cbd2e2;
  letter-spacing: 0.05em;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0 22px;
}

.metric {
  display: grid;
  gap: 4px;
  padding: 13px 15px;
  border-radius: 14px;
  background: rgba(9, 10, 15, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.metric-label {
  font-size: 0.75rem;
  color: #9aa2b8;
}

.metric-value {
  font-size: 1.32rem;
  letter-spacing: -0.01em;
  color: #fff;
}

.metric-note {
  font-size: 0.71rem;
  line-height: 1.5;
  color: #7f879c;
}

.source-block h4 {
  font-size: 0.85rem;
  color: #cfd6e5;
  margin-bottom: 10px;
  letter-spacing: 0.03em;
}

.source-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.source-list li {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 10px;
  font-size: 0.79rem;
  color: #b7bfd2;
}

.source-track {
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.source-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand-warm), var(--brand));
}

.source-value {
  text-align: right;
  color: #e6eaf5;
  font-variant-numeric: tabular-nums;
}

.panel-foot {
  margin-top: 18px;
  font-size: 0.74rem;
  line-height: 1.65;
  color: #7d8599;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 22px);
}

.review-card {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 2.2vw, 26px);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.016));
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.review-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 61, 99, 0.38);
}

.review-stars {
  color: var(--gold);
  font-size: 0.9rem;
  letter-spacing: 3px;
}

.review-card blockquote {
  font-size: 0.94rem;
  line-height: 1.85;
  color: #dde3ef;
  flex: 1;
}

.review-card figcaption {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.avatar {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--brand-warm), var(--brand));
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
}

.review-author {
  font-size: 0.86rem;
  font-weight: 600;
  color: #edf0f8;
}

.review-role {
  font-size: 0.73rem;
  color: #8b93a8;
  text-align: right;
}

.notice-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(30px, 4.4vw, 56px);
  align-items: center;
}

.notice-layout .section-head {
  margin-bottom: 0;
}

.notice-list {
  list-style: none;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.notice-list li + li {
  border-top: 1px solid var(--line-soft);
}

.notice-list a {
  display: grid;
  grid-template-columns: 94px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 14px;
  padding: 17px 20px;
  transition: background 0.25s var(--ease);
}

.notice-list a:hover {
  background: rgba(255, 255, 255, 0.045);
}

.notice-list time {
  font-size: 0.79rem;
  color: #98a0b6;
  font-variant-numeric: tabular-nums;
}

.notice-title {
  font-size: 0.91rem;
  color: #e6ebf5;
  line-height: 1.6;
}

.notice-arrow {
  color: var(--brand);
  opacity: 0.65;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.notice-list a:hover .notice-arrow {
  transform: translateX(4px);
  opacity: 1;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(30px, 4.4vw, 56px);
  align-items: start;
}

.faq-layout .section-head {
  margin-bottom: 0;
  position: sticky;
  top: 110px;
}

.faq-list details {
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  padding: 0 18px;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.faq-list details + details {
  margin-top: 12px;
}

.faq-list details:hover {
  border-color: rgba(255, 122, 69, 0.35);
}

.faq-list details[open] {
  border-color: rgba(255, 61, 99, 0.42);
  background: rgba(255, 61, 99, 0.055);
}

.faq-list summary {
  position: relative;
  padding: 15px 30px 15px 0;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #e9edf6;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--brand);
  transition: transform 0.25s var(--ease);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-answer {
  padding-bottom: 16px;
}

.faq-answer p {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--muted);
}

.section--about {
  background:
    radial-gradient(70% 60% at 50% 0%, rgba(255, 61, 99, 0.09), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.024), rgba(255, 255, 255, 0));
  border-top: 1px solid var(--line-soft);
}

.about-layout {
  display: grid;
  gap: 34px;
}

.about-text {
  column-count: 2;
  column-gap: 46px;
}

.about-text h3 {
  font-size: 1rem;
  color: #ffb9a8;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
  break-after: avoid;
}

.about-text p {
  font-size: 0.94rem;
  line-height: 1.95;
  color: var(--muted);
  margin-bottom: 20px;
  break-inside: avoid;
}

.about-text .about-note {
  color: #d3dae8;
  font-weight: 500;
}

.cta-band {
  padding: clamp(20px, 4vw, 40px) 0 clamp(64px, 8vw, 96px);
}

.cta-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(28px, 4vw, 50px);
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(120deg, rgba(255, 122, 69, 0.16), rgba(255, 61, 99, 0.17) 55%, rgba(255, 255, 255, 0.045));
}

.cta-inner::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -120px;
  top: -180px;
  border-radius: 50%;
  background: rgba(255, 61, 99, 0.22);
  filter: blur(80px);
  pointer-events: none;
}

.cta-inner h2 {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  max-width: 620px;
}

.cta-inner p {
  margin-top: 10px;
  font-size: 0.94rem;
  color: #d2d8e6;
}

.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  flex: 0 0 auto;
}

.site-footer {
  position: relative;
  z-index: 1;
  background: #07080d;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 54px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: clamp(26px, 3.6vw, 44px);
  padding-bottom: 42px;
}

.brand--footer {
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.87rem;
  line-height: 1.85;
  color: #8d95a9;
  max-width: 330px;
}

.footer-domain {
  margin-top: 12px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--brand);
}

.footer-col h3 {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: #e6eaf3;
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer-col a {
  font-size: 0.85rem;
  color: #8e97ab;
  transition: color 0.2s var(--ease);
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 0.78rem;
  color: #7b8398;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a:hover {
  color: #fff;
}

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 110;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(140deg, var(--brand-warm), var(--brand));
  box-shadow: 0 16px 34px rgba(255, 61, 99, 0.38);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s var(--ease);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.back-to-top:hover {
  transform: translateY(-3px);
}

@keyframes floaty {
  0% {
    translate: 0 0;
  }
  50% {
    translate: 0 -12px;
  }
  100% {
    translate: 0 0;
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(0.82);
    opacity: 0.65;
  }
}

@media (max-width: 1120px) {
  .site-nav ul {
    gap: 15px;
  }

  .site-nav a {
    font-size: 0.85rem;
  }

  .float-card--sync {
    right: -1%;
  }

  :root {
    --poster-w: 252px;
    --poster-h: 378px;
  }
}

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

  .site-nav {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    display: none;
    padding: 12px 24px 22px;
    background: rgba(9, 10, 15, 0.97);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .site-nav a {
    display: block;
    padding: 12px 6px;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--line-soft);
  }

  .site-nav a::after {
    display: none;
  }

  .header-actions .btn-ghost {
    display: none;
  }

  .hero {
    padding-top: 108px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    min-height: calc(var(--hero-media) + 40px);
  }

  :root {
    --hero-media: 300px;
    --cover-w: 90px;
    --cover-h: 135px;
    --cover-w-2: 82px;
    --cover-h-2: 123px;
    --cover-w-3: 74px;
    --cover-h-3: 111px;
    --feature-h: 264px;
    --poster-w: 232px;
    --poster-h: 348px;
  }

  .float-card--sync {
    right: 2%;
    top: 4%;
  }

  .float-card--badge {
    left: 2%;
    bottom: 3%;
  }

  .float-cover--one {
    left: 3%;
  }

  .float-cover--two {
    right: 4%;
  }

  .float-cover--three {
    right: 9%;
  }

  .stats-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 18px 6px;
  }

  .stats-strip li {
    padding: 12px 18px;
    border-left: 0;
  }

  .stats-strip li:nth-child(odd) {
    border-right: 1px solid var(--line-soft);
  }

  .creator-layout,
  .notice-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .faq-layout .section-head {
    position: static;
  }

  .about-text {
    column-count: 1;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

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

@media (max-width: 760px) {
  .container {
    width: min(1180px, 100% - 36px);
  }

  .section-head {
    margin-bottom: 34px;
  }

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

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

  .step {
    padding-top: 64px;
  }

  :root {
    --poster-w: 200px;
    --poster-h: 300px;
    --feature-h: 220px;
  }

  .poster-grid {
    gap: 14px;
  }

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

  .review-card figcaption {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .review-role {
    grid-column: 2;
    text-align: left;
    margin-top: -4px;
  }

  .notice-list a {
    grid-template-columns: 1fr 18px;
    gap: 6px 10px;
    padding: 15px 16px;
  }

  .notice-list time {
    grid-column: 1;
  }

  .notice-title {
    grid-column: 1;
  }

  .notice-arrow {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
  }

  .metric-grid {
    gap: 10px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 26px;
  }

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

  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 560px) {
  .container {
    width: calc(100% - 32px);
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
  }

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

  .brand-text em {
    font-size: 0.66rem;
  }

  .hero h1 {
    font-size: clamp(2.15rem, 10vw, 2.7rem);
  }

  .h1-line {
    font-size: clamp(1.25rem, 6.2vw, 1.6rem);
  }

  .hero-actions .btn {
    flex: 1 1 auto;
    justify-content: center;
  }

  :root {
    --hero-media: 260px;
    --cover-w: 78px;
    --cover-h: 117px;
    --cover-w-2: 70px;
    --cover-h-2: 105px;
    --cover-w-3: 62px;
    --cover-h-3: 93px;
    --poster-w: 148px;
    --poster-h: 222px;
    --feature-h: 190px;
  }

  .poster-grid {
    gap: 12px;
  }

  .poster-overlay {
    padding: 10px;
    gap: 2px;
  }

  .poster-title {
    font-size: 0.86rem;
  }

  .poster-meta {
    font-size: 0.7rem;
  }

  .poster-stat {
    display: none;
  }

  .poster-badge {
    top: 8px;
    left: 8px;
    padding: 3px 8px;
    font-size: 0.64rem;
  }

  .float-card--sync {
    width: 178px;
    right: 0;
    top: 1%;
    padding: 10px 12px;
    font-size: 0.76rem;
  }

  .float-card--badge {
    left: 0;
    bottom: 1%;
    padding: 9px 11px;
    font-size: 0.72rem;
  }

  .float-card,
  .float-cover {
    animation: none;
  }

  .tab {
    padding: 9px 18px;
    font-size: 0.86rem;
  }

  .stats-strip strong {
    font-size: 1.2rem;
  }

  .stats-strip span {
    font-size: 0.74rem;
  }

  .notice-list a {
    padding: 14px 15px;
  }

  .cta-inner {
    padding: 26px 22px;
    border-radius: 22px;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    flex: 1 1 auto;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  :root {
    --poster-w: 150px;
    --poster-h: 225px;
  }

  .poster-grid {
    grid-template-columns: repeat(2, var(--poster-w));
  }

  .poster-grid .poster-card:last-child {
    grid-column: 1 / -1;
    justify-self: center;
  }

  .hero-visual {
    min-height: calc(var(--hero-media) + 24px);
  }
}

@media (max-width: 380px) {
  :root {
    --poster-w: 132px;
    --poster-h: 198px;
    --hero-media: 232px;
  }

  .poster-title {
    font-size: 0.8rem;
  }

  .poster-meta {
    font-size: 0.66rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}
