:root {
  --bg: #050507;
  --panel: #101017;
  --panel-2: #171722;
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(255, 255, 255, 0.2);
  --fg: #ffffff;
  --muted: rgba(255, 255, 255, 0.7);
  --dim: rgba(255, 255, 255, 0.48);
  --faint: rgba(255, 255, 255, 0.3);
  --violet: #8b6cff;
  --pink: #ff62c8;
  --cyan: #55d7ff;
  --paper: #f6f3fb;
  --ink: #16121f;
  --jp: 'Zen Kaku Gothic New', 'Hiragino Sans', 'Yu Gothic', system-ui, sans-serif;
  --en: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --zh: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html.lang-en body {
  font-family: var(--en);
}

html.lang-zh body {
  font-family: var(--zh);
}

html {
  scroll-behavior: smooth;
}

body {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: 80px 80px, 80px 80px, auto;
  color: var(--fg);
  font-family: var(--jp);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

.campaign-container {
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
}

.campaign-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 28px;
  padding: 18px clamp(20px, 4vw, 44px);
  background: rgba(5, 5, 7, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.campaign-logo img {
  height: 30px;
}

.campaign-nav-links {
  display: flex;
  justify-content: center;
  gap: 26px;
  font-family: var(--en);
  font-size: 12px;
  color: var(--dim);
}

.campaign-nav-links a:hover,
.campaign-nav-links a:focus-visible {
  color: var(--fg);
}

.campaign-lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--dim);
  font-family: var(--en);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.campaign-lang-option {
  transition: color 0.18s ease;
}

.campaign-lang-option.active {
  color: var(--fg);
}

.campaign-lang-sep {
  color: rgba(255, 255, 255, 0.22);
}

.campaign-nav-cta {
  padding: 9px 17px;
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.campaign-hero {
  min-height: calc(100vh - 67px);
  display: flex;
  align-items: center;
  padding: clamp(72px, 10vw, 128px) 0 clamp(56px, 8vw, 96px);
}

.campaign-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(72px, 10vw, 136px);
  align-items: center;
}

.campaign-kicker {
  margin: 0 0 16px;
  color: var(--dim);
  font-family: var(--en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.campaign-hero h1,
.campaign-section h2,
.campaign-final-cta h2 {
  margin: 0;
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: 0;
}

.campaign-hero h1 {
  font-size: clamp(42px, 4.1vw, 56px);
  max-width: 8.8em;
  text-wrap: balance;
}

.hero-title-line {
  display: block;
  white-space: nowrap;
}

.campaign-hero h1 .hero-title-rate {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--en);
  font-size: clamp(96px, 16vw, 200px);
  line-height: 0.82;
  background: linear-gradient(115deg, var(--violet), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.campaign-hero-lead {
  width: min(560px, 100%);
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 20px);
}

.campaign-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.campaign-btn {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 26px;
  font-weight: 800;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.campaign-btn:hover,
.campaign-btn:focus-visible {
  transform: translateY(-1px);
}

.campaign-btn-primary {
  background: linear-gradient(115deg, var(--violet), var(--pink));
  color: #09070e;
  box-shadow: 0 18px 46px -24px var(--pink);
}

.campaign-btn-ghost {
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--fg);
}

.campaign-hero-visual {
  display: grid;
  gap: 18px;
}

.campaign-ticket {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 24px;
  min-height: 182px;
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 28px 90px -56px rgba(255, 98, 200, 0.72);
}

.campaign-ticket::before,
.campaign-ticket::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg);
  transform: translateY(-50%);
}

.campaign-ticket::before {
  left: -14px;
}

.campaign-ticket::after {
  right: -14px;
}

.campaign-ticket > div {
  text-align: center;
}

.ticket-label {
  display: block;
  margin-bottom: 6px;
  color: rgba(22, 18, 31, 0.58);
  font-size: 12px;
  font-weight: 700;
}

.campaign-ticket strong {
  font-family: var(--en);
  font-size: clamp(40px, 6vw, 66px);
  line-height: 1;
}

.ticket-zero {
  background: linear-gradient(115deg, var(--violet), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ticket-arrow {
  color: rgba(22, 18, 31, 0.32);
  font-family: var(--en);
  font-weight: 800;
  text-transform: uppercase;
}

.campaign-receipt {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.045) 1px, transparent 1px, transparent 12px), var(--panel);
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.receipt-row + .receipt-row {
  margin-top: 10px;
}

.receipt-row strong {
  color: var(--fg);
  font-family: var(--en);
  font-size: 18px;
}

.receipt-divider {
  height: 1px;
  margin: 18px 0;
  background: var(--line);
}

.receipt-row-accent {
  color: var(--fg);
}

.receipt-row-accent strong {
  color: var(--pink);
}

.campaign-section {
  padding: clamp(72px, 10vw, 124px) 0;
  border-top: 1px solid var(--line);
}

.campaign-section-muted {
  background: linear-gradient(180deg, rgba(139, 108, 255, 0.08), rgba(5, 5, 7, 0));
}

.campaign-section-head {
  width: min(760px, 100%);
  margin: 0 auto 46px;
  text-align: center;
}

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

.campaign-section h2,
.campaign-final-cta h2 {
  font-size: clamp(34px, 5vw, 64px);
}

.campaign-section-head p:not(.campaign-kicker) {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.overview-switch {
  display: grid;
  grid-template-columns: 1fr minmax(70px, 0.26fr) 1fr;
  align-items: center;
  width: min(820px, 100%);
  margin: 0 auto 34px;
}

.overview-rate {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  text-align: center;
}

.overview-rate span {
  color: var(--dim);
  font-size: 13px;
  font-weight: 700;
}

.overview-rate strong {
  display: block;
  margin-top: 8px;
  color: var(--faint);
  font-family: var(--en);
  font-size: clamp(48px, 8vw, 74px);
  line-height: 1;
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}

.overview-rate-active {
  border-color: rgba(255, 98, 200, 0.42);
  background: linear-gradient(145deg, rgba(139, 108, 255, 0.18), rgba(255, 98, 200, 0.12));
}

.overview-rate-active span {
  color: rgba(255, 255, 255, 0.82);
}

.overview-rate-active strong {
  background: linear-gradient(115deg, var(--violet), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-decoration: none;
}

.overview-line {
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), var(--pink));
}

.campaign-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.campaign-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  padding: 26px;
}

.card-label {
  color: var(--pink);
  font-family: var(--en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.campaign-card h3 {
  margin: 12px 0 10px;
  font-size: 20px;
  line-height: 1.45;
}

.campaign-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
}

.campaign-split {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 1.14fr);
  gap: clamp(34px, 6vw, 72px);
  align-items: center;
}

.breakdown-stack {
  display: grid;
  gap: 28px;
}

.breakdown-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 10px;
}

.breakdown-meta span {
  color: var(--muted);
  font-weight: 800;
}

.breakdown-meta strong {
  font-family: var(--en);
  font-size: 24px;
}

.breakdown-bar {
  display: flex;
  min-height: 58px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.breakdown-bar span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 10px;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.breakdown-platform {
  width: 48.57%;
  background: linear-gradient(115deg, rgba(139, 108, 255, 0.72), rgba(255, 98, 200, 0.72));
}

.breakdown-stripe {
  width: 51.43%;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.72);
}

.breakdown-free {
  width: 48.57%;
  background: rgba(255, 255, 255, 0.035);
  box-shadow: inset 0 0 0 1px rgba(255, 98, 200, 0.28);
  color: var(--pink);
}

.comparison-highlight {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 20px;
  padding: 24px;
  border: 1px solid rgba(255, 98, 200, 0.32);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(139, 108, 255, 0.16), rgba(85, 215, 255, 0.07));
}

.highlight-label {
  color: var(--dim);
  font-size: 13px;
  font-weight: 800;
}

.comparison-highlight h3 {
  margin: 4px 0 0;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.35;
}

.highlight-deltas {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.highlight-deltas span {
  padding: 8px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(5, 5, 7, 0.46);
  color: var(--fg);
  font-family: var(--en);
  font-size: 13px;
  font-weight: 800;
}

.campaign-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
}

.campaign-fee-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-family: var(--en), var(--jp);
}

.campaign-fee-table th,
.campaign-fee-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  white-space: nowrap;
}

.campaign-fee-table th:first-child,
.campaign-fee-table td:first-child {
  text-align: left;
}

.campaign-fee-table th:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
}

.campaign-fee-table thead th {
  color: rgba(22, 18, 31, 0.72);
  background: var(--paper);
  font-size: 12px;
  vertical-align: bottom;
}

.campaign-fee-table thead th:first-child {
  background: #ffffff;
  color: rgba(22, 18, 31, 0.64);
}

.campaign-fee-table thead th:not(:first-child) {
  min-width: 118px;
}

.campaign-fee-table thead th .service-label {
  display: block;
  color: var(--ink);
  font-family: var(--en);
  font-size: 16px;
  font-weight: 900;
  line-height: 1.15;
}

.campaign-fee-table thead th small {
  display: block;
  margin-top: 4px;
  color: rgba(22, 18, 31, 0.5);
  font-family: var(--jp);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.2;
}

.campaign-fee-table tbody th {
  background: color-mix(in srgb, var(--panel) 94%, #ffffff);
  color: var(--fg);
  font-weight: 800;
}

.campaign-fee-table tbody td {
  color: rgba(255, 255, 255, 0.68);
  font-weight: 700;
}

.campaign-fee-table .is-campaign {
  color: var(--pink);
  font-weight: 900;
}

.campaign-fee-table thead .is-campaign .service-label,
.campaign-fee-table thead .is-campaign small {
  color: #b236af;
}

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

.total-row {
  background: rgba(255, 255, 255, 0.055);
}

.total-row th,
.total-row td {
  font-size: 17px;
}

.total-row th {
  background: color-mix(in srgb, var(--panel-2) 92%, #ffffff);
}

.campaign-fee-bars {
  display: grid;
  gap: 16px;
  margin-top: 28px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.fee-bar-row {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.fee-bar-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.fee-bar-label span {
  color: var(--muted);
  font-weight: 800;
}

.fee-bar-label strong {
  color: var(--fg);
  font-family: var(--en);
}

.fee-bar-track {
  height: 28px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.075);
}

.fee-bar-track span {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: var(--bar-width);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.7));
  min-width: max-content;
  padding: 0 10px;
}

.fee-bar-track em {
  color: #08070c;
  font-family: var(--en);
  font-size: 11px;
  font-style: normal;
  font-weight: 900;
  white-space: nowrap;
}

.fee-bar-row.is-campaign .fee-bar-label strong {
  color: var(--pink);
}

.fee-bar-row.is-campaign .fee-bar-track span {
  background: linear-gradient(90deg, var(--violet), var(--pink));
}

.campaign-note {
  margin: 20px 0 0;
  color: var(--dim);
  font-size: 12px;
  line-height: 1.8;
}

.benefit-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.campaign-final-cta {
  padding: clamp(82px, 12vw, 146px) 0;
  border-top: 1px solid var(--line);
  text-align: center;
  background:
    linear-gradient(120deg, rgba(139, 108, 255, 0.16), transparent 42%),
    linear-gradient(240deg, rgba(85, 215, 255, 0.12), transparent 46%);
}

.campaign-final-cta .campaign-hero-actions {
  justify-content: center;
}

.campaign-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 32px clamp(20px, 4vw, 44px);
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 12px;
}

.campaign-footer img {
  height: 24px;
}

@media (max-width: 920px) {
  .campaign-nav {
    grid-template-columns: auto auto auto;
  }

  .campaign-nav-links {
    display: none;
  }

  .campaign-hero-grid,
  .campaign-split {
    grid-template-columns: 1fr;
  }

  .campaign-hero h1 {
    font-size: clamp(44px, 9vw, 76px);
  }

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

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

@media (max-width: 720px) {
  .campaign-container {
    width: min(100% - 32px, 1160px);
  }

  .campaign-nav {
    padding: 14px 16px;
  }

  .campaign-nav-cta {
    padding: 8px 13px;
    font-size: 12px;
  }

  .campaign-lang-toggle {
    padding: 7px 9px;
    font-size: 11px;
  }

  .campaign-hero {
    min-height: auto;
    padding-top: 58px;
  }

  .campaign-hero-copy {
    text-align: center;
  }

  .campaign-hero h1 {
    margin-left: auto;
    margin-right: auto;
  }

  .campaign-hero-lead {
    margin-left: auto;
    margin-right: auto;
  }

  .campaign-hero-actions {
    justify-content: center;
  }

  .campaign-ticket {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .ticket-arrow {
    display: none;
  }

  .overview-switch {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .overview-line {
    width: 1px;
    height: 34px;
    margin: 0 auto;
  }

  .campaign-card-grid,
  .benefit-grid {
    grid-template-columns: 1fr;
  }

  .comparison-highlight,
  .campaign-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .highlight-deltas {
    justify-content: flex-start;
  }

  .campaign-fee-bars {
    padding: 20px;
  }

  .fee-bar-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .campaign-hero h1 {
    font-size: clamp(36px, 10.5vw, 44px);
    max-width: none;
  }
}

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