/* ============================================================
   推广奖励页 · rebate-unb4
   结构：首屏 → 指标条 → 两条路径 → 01 个人推广 → 02 渠道合作
        → 03 共用规则 → 收尾 CTA
   两条业务线各自成章、各自闭环，靠底色与编号区隔
   ============================================================ */

body.rb-page {
  --rb-blue: #2f5bff;
  --rb-blue-2: #6f95ff;
  --rb-blue-3: #0bb6ff;
  --rb-soft: #eef3ff;
  --rb-ink: #0b1633;
  --rb-body: #46536e;
  --rb-muted: #7b879d;
  --rb-line: #e6ebf5;
  --rb-navy: #071027;
  --rb-navy-2: #0c1a3c;
  --rb-r: 22px;
  background: #fff;
  color: var(--rb-body);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.rb-wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
}

.rb-ico {
  width: 20px;
  height: 20px;
  display: block;
}

/* 锚点让位：固定页头 + 呼吸区 */
#personal,
#partner,
#channel,
#rules {
  scroll-margin-top: 104px;
}

/* ============ 通用元件 ============ */
.rb-eyebrow {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 11px;
  border-radius: 999px;
  background: var(--rb-soft);
  color: var(--rb-blue);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.rb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 26px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.18s ease, box-shadow 0.18s ease,
    background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.rb-btn.is-primary {
  background: var(--rb-pop);
  color: #fff;
  box-shadow: 0 16px 34px -14px rgba(47, 91, 255, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.rb-btn.is-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 42px -16px rgba(47, 91, 255, 0.8);
}

.rb-btn.is-ghost {
  background: #fff;
  color: var(--rb-ink);
  border: 1px solid var(--rb-line);
}

.rb-btn.is-ghost:hover {
  border-color: rgba(47, 91, 255, 0.4);
  color: var(--rb-blue);
}

.rb-btn.is-sm {
  height: 42px;
  padding: 0 20px;
  font-size: 13.5px;
}

/* ============ 首屏 ============ */
.rb-hero {
  position: relative;
  overflow: hidden;
  padding: 148px 0 132px;
  background:
    radial-gradient(980px 560px at 84% -18%, rgba(47, 91, 255, 0.22), transparent 62%),
    radial-gradient(700px 460px at -6% 2%, rgba(11, 182, 255, 0.16), transparent 58%),
    radial-gradient(620px 380px at 50% 118%, rgba(90, 131, 255, 0.14), transparent 64%),
    linear-gradient(172deg, #fbfcff 0%, #f1f5ff 56%, #e7eeff 100%);
}

.rb-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(47, 91, 255, 0.13) 1px, transparent 1.4px),
    linear-gradient(rgba(47, 91, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 91, 255, 0.05) 1px, transparent 1px);
  background-size: 26px 26px, 62px 62px, 62px 62px;
  -webkit-mask-image: radial-gradient(72% 62% at 50% 0%, #000 0%, transparent 76%);
  mask-image: radial-gradient(72% 62% at 50% 0%, #000 0%, transparent 76%);
}

.rb-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: 54px;
  align-items: center;
}

.rb-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 0 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(47, 91, 255, 0.16);
  box-shadow: 0 8px 20px -12px rgba(47, 91, 255, 0.6);
  color: #2a4fbf;
  font-size: 12.5px;
  font-weight: 600;
}

.rb-badge i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #21c07a;
  box-shadow: 0 0 0 3px rgba(33, 192, 122, 0.17);
}

.rb-hero h1 {
  margin: 22px 0 0;
  font-size: clamp(33px, 4.4vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.035em;
  color: var(--rb-ink);
  font-weight: 800;
}

.rb-hero h1 em {
  font-style: normal;
  background: var(--rb-pop);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-decoration: underline wavy rgba(11, 182, 255, 0.55);
  text-decoration-thickness: 3px;
  text-underline-offset: 10px;
}

.rb-hero-lead {
  margin: 20px 0 0;
  max-width: 520px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--rb-body);
}

.rb-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.rb-hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 18px 0 0;
  font-size: 12.5px;
  color: var(--rb-muted);
}

.rb-hero-note span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.rb-hero-note svg {
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
  color: #21c07a;
}

/* 首屏右侧：返佣概览 */
.rb-deal {
  position: relative;
  padding: 28px 32px 22px 26px;
  border-radius: 24px;
  border: 1.5px solid transparent;
  background:
    linear-gradient(#fff, #fff) padding-box,
    linear-gradient(140deg, rgba(47, 91, 255, 0.55), rgba(11, 182, 255, 0.3) 48%, rgba(47, 91, 255, 0.12)) border-box;
  box-shadow: 0 34px 74px -46px rgba(20, 43, 110, 0.65);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.rb-deal:hover {
  transform: translateY(-4px);
  box-shadow: 0 44px 84px -46px rgba(20, 43, 110, 0.75);
}

.rb-deal::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, #2f5bff, #0bb6ff 60%, #7c5cff);
}

.rb-deal::after {
  content: "";
  position: absolute;
  top: 3px;
  right: 0;
  bottom: 3px;
  width: 8px;
  border-radius: 8px 0 0 8px;
  background: repeating-linear-gradient(135deg, rgba(47, 91, 255, 0.38) 0 2px, transparent 2px 8px);
}

.rb-deal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--rb-line);
  font-size: 12.5px;
  color: var(--rb-muted);
}

.rb-deal-rate {
  margin: 20px 0 2px;
  font-size: 60px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.045em;
  background: linear-gradient(96deg, #2447d8, #2f5bff 45%, #0aa8e8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.rb-deal-rate small {
  margin-left: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--rb-blue);
}

.rb-deal-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.rb-deal-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid #f2f5fb;
  font-size: 13.5px;
}

.rb-deal-list li:last-child {
  border-bottom: 0;
}

.rb-deal-list b {
  color: var(--rb-ink);
  font-weight: 700;
}

.rb-deal-tip {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-radius: 13px;
  background: #f6f9ff;
  color: #3c4e78;
  font-size: 12.2px;
  line-height: 1.7;
}

/* ============ 指标条 ============ */
.rb-metrics {
  position: relative;
  z-index: 2;
  margin-top: -50px;
}

.rb-metrics .rb-wrap {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: #fff;
  border: 1px solid rgba(47, 91, 255, 0.12);
  border-radius: 20px;
  box-shadow: 0 34px 64px -44px rgba(20, 43, 110, 0.6);
  overflow: hidden;
}

.rb-metric {
  padding: 24px 18px;
  text-align: center;
  border-left: 1px solid var(--rb-line);
}

.rb-metric:first-child {
  border-left: 0;
}

.rb-metric strong {
  display: block;
  font-size: 27px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #2243cc, #2f5bff 55%, #0aa8e8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.rb-metric span {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  color: var(--rb-muted);
}

/* ============ 两条路径 ============ */
.rb-paths-section {
  padding: 80px 0 86px;
  background: #fff;
}

.rb-paths-head {
  max-width: 660px;
  margin: 0 auto;
  text-align: center;
}

.rb-paths-head h2 {
  margin: 14px 0 0;
  font-size: clamp(25px, 2.8vw, 34px);
  line-height: 1.32;
  letter-spacing: -0.02em;
  color: var(--rb-ink);
  font-weight: 800;
}

.rb-paths-head p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--rb-body);
}

.rb-paths {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.rb-path {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 30px 26px;
  border-radius: 26px;
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.rb-path-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.rb-path-tag b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  font-size: 11px;
  letter-spacing: 0;
}

.rb-path h3 {
  margin: 16px 0 0;
  font-size: 21px;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.rb-path p {
  margin: 10px 0 0;
  font-size: 13.8px;
  line-height: 1.8;
}

.rb-path-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.rb-path-chips li {
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.rb-path-go {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 22px;
  font-size: 13.5px;
  font-weight: 600;
}

.rb-path-go svg {
  width: 15px;
  height: 15px;
  transition: transform 0.2s ease;
}

.rb-path:hover .rb-path-go svg {
  transform: translateX(4px);
}

.rb-path.is-personal::before,
.rb-path.is-channel::before {
  content: "";
  position: absolute;
  top: -30px;
  right: 10px;
  font-size: 120px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.06em;
  pointer-events: none;
  user-select: none;
}

.rb-path.is-personal::before {
  content: "01";
  color: rgba(47, 91, 255, 0.06);
}

.rb-path.is-channel::before {
  content: "02";
  color: rgba(159, 184, 239, 0.09);
}

/* 个人：浅色卡 */
.rb-path.is-personal {
  border: 1.5px solid transparent;
  background:
    linear-gradient(168deg, #ffffff 0%, #f7faff 100%) padding-box,
    linear-gradient(150deg, rgba(47, 91, 255, 0.38), rgba(233, 238, 251, 0.9) 42%, rgba(11, 182, 255, 0.3)) border-box;
  box-shadow: 0 24px 54px -44px rgba(15, 32, 74, 0.7);
}

.rb-path.is-personal:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 91, 255, 0.32);
  box-shadow: 0 30px 60px -40px rgba(15, 32, 74, 0.5);
}

.rb-path.is-personal .rb-path-tag {
  color: var(--rb-blue);
}

.rb-path.is-personal .rb-path-tag b {
  background: var(--rb-soft);
}

.rb-path.is-personal h3 {
  color: var(--rb-ink);
}

.rb-path.is-personal p {
  color: var(--rb-body);
}

.rb-path.is-personal .rb-path-chips li {
  background: var(--rb-soft);
  color: #2a4fbf;
}

.rb-path.is-personal .rb-path-go {
  color: var(--rb-blue);
}

/* 渠道：深色卡 */
.rb-path.is-channel {
  border: 1.5px solid transparent;
  background:
    radial-gradient(420px 240px at 100% 0%, rgba(47, 91, 255, 0.42), transparent 62%) padding-box,
    linear-gradient(160deg, #0b1a3c, #10254f 58%, #0a1734) padding-box,
    linear-gradient(150deg, rgba(111, 149, 255, 0.7), rgba(111, 149, 255, 0.14) 50%, rgba(11, 182, 255, 0.55)) border-box;
  box-shadow: 0 26px 58px -42px rgba(9, 20, 46, 0.9);
}

.rb-path.is-channel:hover {
  transform: translateY(-4px);
  border-color: rgba(111, 149, 255, 0.55);
  box-shadow: 0 32px 64px -38px rgba(9, 20, 46, 0.85);
}

.rb-path.is-channel .rb-path-tag {
  color: #9fb8ef;
}

.rb-path.is-channel .rb-path-tag b {
  background: rgba(111, 149, 255, 0.18);
  color: #c7d8ff;
}

.rb-path.is-channel h3 {
  color: #fff;
}

.rb-path.is-channel p {
  color: #a9bade;
}

.rb-path.is-channel .rb-path-chips li {
  background: rgba(255, 255, 255, 0.08);
  color: #cddcfd;
}

.rb-path.is-channel .rb-path-go {
  color: #9fbcff;
}

/* ============ 章节通用头部 ============ */
.rb-track {
  padding: 88px 0;
}

.rb-track-head {
  padding-bottom: 30px;
  margin-bottom: 42px;
  border-bottom: 1px solid var(--rb-line);
}

.rb-track-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rb-track-no {
  font-size: 26px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #ccd8ee;
  font-variant-numeric: tabular-nums;
}

.rb-track-head h2 {
  margin: 18px 0 0;
  font-size: clamp(24px, 2.6vw, 33px);
  line-height: 1.32;
  letter-spacing: -0.02em;
  color: var(--rb-ink);
  font-weight: 800;
}

.rb-track-head p {
  margin: 12px 0 0;
  max-width: 680px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--rb-body);
}

/* ============ 01 个人推广 ============ */
.rb-track-personal {
  background: #fff;
}

/* 三步 */
.rb-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: rbstep;
}

.rb-flow-item {
  position: relative;
  overflow: hidden;
  padding: 26px 24px 24px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid #e9eefb;
  box-shadow: 0 18px 40px -38px rgba(15, 32, 74, 0.55);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.rb-flow-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #2f5bff, #0bb6ff);
}

.rb-flow-item:hover {
  transform: translateY(-3px);
  border-color: rgba(47, 91, 255, 0.3);
  box-shadow: 0 24px 48px -36px rgba(24, 48, 120, 0.6);
}

.rb-flow-item .rb-flow-no {
  display: inline-flex;
  line-height: 1;
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(120deg, #2243cc, #2f5bff 55%, #0aa8e8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.rb-flow-item h3 {
  margin: 16px 0 8px;
  font-size: 16.5px;
  color: var(--rb-ink);
  font-weight: 700;
}

.rb-flow-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--rb-body);
}

.rb-flow-item small {
  display: block;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed #e2e9f7;
  font-size: 12.2px;
  color: var(--rb-muted);
}

/* 收益面板 */
.rb-panel {
  margin-top: 24px;
  padding: 30px;
  border-radius: var(--rb-r);
  background: #fff;
  border: 1px solid var(--rb-line);
  box-shadow: 0 22px 50px -46px rgba(15, 32, 74, 0.8);
}

.rb-panel.is-quiet {
  background: #f9fbff;
  box-shadow: none;
}

.rb-panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 20px;
}

.rb-panel-head h3 {
  margin: 0;
  font-size: 17px;
  color: var(--rb-ink);
  font-weight: 700;
}

.rb-panel-head p {
  margin: 0;
  font-size: 12.8px;
  color: var(--rb-muted);
}

.rb-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.rb-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13.8px;
}

.rb-table th {
  padding: 11px 16px;
  background: #f6f9ff;
  color: var(--rb-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: left;
  white-space: nowrap;
}

.rb-table th:first-child {
  border-radius: 10px 0 0 10px;
}

.rb-table th:last-child {
  border-radius: 0 10px 10px 0;
}

.rb-table td {
  padding: 15px 16px;
  border-bottom: 1px solid #eff3fa;
  white-space: nowrap;
}

.rb-table tbody tr:last-child td {
  border-bottom: 0;
}

.rb-table tbody tr:hover td {
  background: #fbfcff;
}

.rb-table td.is-name {
  font-weight: 700;
  color: var(--rb-ink);
}

.rb-table td.is-money {
  color: var(--rb-body);
}

.rb-table td.is-commission {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(96deg, #2447d8, #2f5bff 55%, #0aa8e8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.rb-table-note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--rb-muted);
}

/* ============ 收益计算器 ============ */
.rb-calc {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  border: 1px solid rgba(47, 91, 255, 0.16);
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(140deg, #f2f6ff 0%, #fbfdff 55%, #effaff 100%);
}

.rb-calc-form {
  padding: 24px 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.rb-calc-field {
  display: flex;
  flex-direction: column;
}

.rb-calc-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-size: 12.8px;
  font-weight: 700;
  color: #3c4e78;
}

.rb-calc-label b {
  color: var(--rb-blue);
  font-size: 13.5px;
  font-variant-numeric: tabular-nums;
}

.rb-calc-chips {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
  margin-top: 12px;
}

.rb-calc-chips button {
  padding: 11px 8px 10px;
  border-radius: 13px;
  border: 1px solid #e3eafa;
  background: #fff;
  font: inherit;
  font-size: 13.2px;
  font-weight: 700;
  color: var(--rb-ink);
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.rb-calc-chips button i {
  display: block;
  margin-top: 3px;
  font-style: normal;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--rb-muted);
}

.rb-calc-chips button:hover {
  border-color: rgba(47, 91, 255, 0.4);
}

.rb-calc-chips button.is-on {
  border-color: transparent;
  background: linear-gradient(160deg, #eef3ff, #f2fbff);
  box-shadow: 0 12px 26px -18px rgba(47, 91, 255, 0.9), inset 0 0 0 1.5px rgba(47, 91, 255, 0.55);
  color: #2447d8;
}

.rb-calc-chips button.is-on i {
  color: #4a5c86;
}

.rb-calc-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  margin: 16px 0 4px;
  border-radius: 999px;
  outline: none;
  background: linear-gradient(90deg, #2f5bff 0%, #0bb6ff var(--rb-fill, 9%), #e3eafa var(--rb-fill, 9%));
  cursor: pointer;
}

.rb-calc-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #2f5bff;
  box-shadow: 0 6px 14px -6px rgba(47, 91, 255, 0.9);
  cursor: pointer;
}

.rb-calc-range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #2f5bff;
  box-shadow: 0 6px 14px -6px rgba(47, 91, 255, 0.9);
  cursor: pointer;
}

.rb-calc-result {
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  color: #fff;
  background:
    radial-gradient(340px 200px at 90% -24%, rgba(96, 165, 250, 0.55), transparent 62%),
    radial-gradient(260px 180px at -10% 115%, rgba(11, 182, 255, 0.35), transparent 60%),
    linear-gradient(160deg, #14265e, #1b3a8f 55%, #122a68);
}

.rb-calc-main small,
.rb-calc-side small {
  display: block;
  font-size: 12px;
  color: #9db4e8;
}

.rb-calc-main strong {
  display: block;
  margin-top: 6px;
  font-size: 44px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(100deg, #ffffff 20%, #a8d8ff 70%, #6fe3ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.rb-calc-main > span {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  color: #c3d4f6;
}

.rb-calc-side {
  display: grid;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px dashed rgba(255, 255, 255, 0.22);
}

.rb-calc-side b {
  display: block;
  margin-top: 3px;
  font-size: 16.5px;
  font-weight: 700;
  color: #eaf2ff;
}

.rb-calc-note {
  grid-column: 1 / -1;
  margin: 0;
  padding: 12px 26px 14px;
  border-top: 1px dashed rgba(47, 91, 255, 0.18);
  font-size: 12.2px;
  line-height: 1.7;
  color: var(--rb-muted);
  background: rgba(255, 255, 255, 0.55);
}

/* 权益 */
.rb-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.rb-feature {
  position: relative;
  overflow: hidden;
  padding: 24px 22px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--rb-line);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.rb-feature::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #2f5bff, #0bb6ff);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.rb-feature:hover::before {
  opacity: 1;
}

.rb-feature:hover {
  transform: translateY(-3px);
  border-color: rgba(47, 91, 255, 0.26);
  box-shadow: 0 20px 44px -34px rgba(24, 48, 120, 0.7);
}

.rb-feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(150deg, #eaf0ff, #e2f6ff);
  box-shadow: inset 0 0 0 1px rgba(47, 91, 255, 0.14);
  color: #2f5bff;
}

.rb-feature h3 {
  margin: 16px 0 8px;
  font-size: 15.5px;
  color: var(--rb-ink);
  font-weight: 700;
}

.rb-feature p {
  margin: 0;
  font-size: 13.2px;
  line-height: 1.8;
  color: var(--rb-body);
}

/* ============ 咨询小标题 ============ */
.rb-sub-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 54px 0 20px;
}

.rb-sub-head h3 {
  margin: 0;
  font-size: 19px;
  color: var(--rb-ink);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.rb-sub-head span {
  font-size: 12.8px;
  color: var(--rb-muted);
}

/* ============ FAQ ============ */
.rb-faq {
  display: grid;
  gap: 10px;
  max-width: none;
}

.rb-faq details {
  border: 1px solid var(--rb-line);
  border-radius: 15px;
  background: #fff;
  padding: 0 22px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.rb-faq details:hover {
  border-color: rgba(47, 91, 255, 0.26);
}

.rb-faq details[open] {
  border-color: rgba(47, 91, 255, 0.3);
  box-shadow: 0 16px 36px -34px rgba(24, 48, 120, 0.8);
}

.rb-faq summary {
  position: relative;
  padding: 17px 30px 17px 46px;
  cursor: pointer;
  list-style: none;
  font-size: 14.2px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--rb-ink);
}

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

.rb-faq summary::after {
  content: "";
  position: absolute;
  right: 2px;
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -6px;
  border-right: 1.6px solid var(--rb-muted);
  border-bottom: 1.6px solid var(--rb-muted);
  transform: rotate(45deg);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.rb-faq details[open] summary::after {
  transform: rotate(-135deg);
  margin-top: -3px;
  border-color: var(--rb-blue);
}

.rb-faq p {
  max-width: 940px;
  margin: 0 0 18px;
  padding-top: 2px;
  font-size: 13.8px;
  line-height: 1.85;
  color: var(--rb-body);
}

/* ============ 年轻化点缀 ============ */
body.rb-page {
  --rb-pop: linear-gradient(115deg, #2f5bff 0%, #0bb6ff 48%, #7c5cff 100%);
}

.rb-faq summary::before {
  content: "Q";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  background: var(--rb-pop);
  color: #fff;
  font-size: 12.5px;
  font-weight: 800;
}

.rb-hero-inner::before,
.rb-hero-inner::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(52px);
  pointer-events: none;
  z-index: -1;
}

.rb-hero-inner::before {
  width: 300px;
  height: 300px;
  left: -80px;
  bottom: -70px;
  background: rgba(11, 182, 255, 0.26);
  animation: rbfloat 7s ease-in-out infinite;
}

.rb-hero-inner::after {
  width: 250px;
  height: 250px;
  right: -50px;
  top: -30px;
  background: rgba(124, 92, 255, 0.22);
  animation: rbfloat 8.5s ease-in-out infinite reverse;
}

@keyframes rbfloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(14px, -20px) scale(1.06); }
}

.rb-deal-sticker {
  position: absolute;
  top: -16px;
  right: 24px;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  color: #fff;
  background: var(--rb-pop);
  box-shadow: 0 14px 26px -12px rgba(47, 91, 255, 0.8), inset 0 0 0 3px rgba(255, 255, 255, 0.4);
  transform: rotate(10deg);
  animation: rbfloat 4.6s ease-in-out infinite;
}

.rb-deal-sticker svg {
  width: 22px;
  height: 22px;
}

.rb-metric:nth-child(4n + 1) strong { background: linear-gradient(120deg, #2f5bff, #4f7dff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.rb-metric:nth-child(4n + 2) strong { background: linear-gradient(120deg, #0aa8e8, #22d3ee); -webkit-background-clip: text; background-clip: text; color: transparent; }
.rb-metric:nth-child(4n + 3) strong { background: linear-gradient(120deg, #7c5cff, #a78bfa); -webkit-background-clip: text; background-clip: text; color: transparent; }
.rb-metric:nth-child(4n + 4) strong { background: linear-gradient(120deg, #0ea872, #34d399); -webkit-background-clip: text; background-clip: text; color: transparent; }

.rb-path:hover {
  transform: translateY(-6px) rotate(-0.4deg);
}

.rb-path.is-personal .rb-path-tag b {
  background: var(--rb-pop);
  color: #fff;
}

.rb-path.is-channel .rb-path-tag b {
  background: linear-gradient(115deg, #60a5fa, #22d3ee);
  color: #0b1a3c;
}

.rb-flow-item:nth-child(1) .rb-flow-no { background: linear-gradient(120deg, #2f5bff, #4f7dff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.rb-flow-item:nth-child(2) .rb-flow-no { background: linear-gradient(120deg, #0aa8e8, #22d3ee); -webkit-background-clip: text; background-clip: text; color: transparent; }
.rb-flow-item:nth-child(3) .rb-flow-no { background: linear-gradient(120deg, #7c5cff, #a78bfa); -webkit-background-clip: text; background-clip: text; color: transparent; }

.rb-feature:nth-child(6n + 1) .rb-feature-icon { background: linear-gradient(150deg, #eaf0ff, #dbe6ff); color: #2f5bff; }
.rb-feature:nth-child(6n + 2) .rb-feature-icon { background: linear-gradient(150deg, #e3f7ff, #d2f1ff); color: #0aa8e8; }
.rb-feature:nth-child(6n + 3) .rb-feature-icon { background: linear-gradient(150deg, #f1ecff, #e6ddff); color: #7c5cff; }
.rb-feature:nth-child(6n + 4) .rb-feature-icon { background: linear-gradient(150deg, #e5fbf1, #d2f5e5); color: #0ea872; }
.rb-feature:nth-child(6n + 5) .rb-feature-icon { background: linear-gradient(150deg, #fff4e5, #ffe9cc); color: #e88a0c; }
.rb-feature:nth-child(6n + 6) .rb-feature-icon { background: linear-gradient(150deg, #ffe9f2, #ffd9e8); color: #e04f8f; }

/* ============ 活力跑马灯（无缝循环） ============ */
.rb-marquee-band {
  padding: 0;
  background: var(--rb-pop);
}

.rb-marquee {
  max-width: none;
  margin: 0;
  overflow: hidden;
  padding: 14px 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
}

.rb-marquee-track {
  display: inline-flex;
  align-items: center;
  width: max-content;
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  animation: rbmarq 72s linear infinite;
}

.rb-marquee-track span,
.rb-marquee-track i {
  padding: 0 15px;
}

.rb-marquee-track i {
  font-style: normal;
  font-size: 12px;
  opacity: 0.6;
}

@keyframes rbmarq {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .rb-marquee-track,
  .rb-deal-sticker,
  .rb-hero-inner::before,
  .rb-hero-inner::after {
    animation: none !important;
  }
}

/* ============ 章节内 CTA ============ */
.rb-inline-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 34px;
  padding: 26px 30px;
  border-radius: var(--rb-r);
  border: 1px solid rgba(47, 91, 255, 0.16);
  background: linear-gradient(116deg, #eef3ff 0%, #f6f9ff 58%, #fff 100%);
}

.rb-inline-cta strong {
  display: block;
  font-size: 16px;
  color: var(--rb-ink);
  font-weight: 700;
}

.rb-inline-cta span {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  color: var(--rb-muted);
}

.rb-inline-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ============ 02 渠道合作（深色） ============ */
.rb-track-partner {
  position: relative;
  overflow: hidden;
  color: #c3d1ee;
  background:
    radial-gradient(860px 460px at 86% -6%, rgba(47, 91, 255, 0.36), transparent 62%),
    radial-gradient(640px 420px at -6% 34%, rgba(11, 182, 255, 0.16), transparent 60%),
    linear-gradient(180deg, #071027 0%, #0a1731 60%, #081327 100%);
}

.rb-track-partner::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(80% 70% at 50% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(80% 70% at 50% 0%, #000 0%, transparent 78%);
}

.rb-track-partner > .rb-wrap {
  position: relative;
  z-index: 1;
}

.rb-track-partner .rb-track-head {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.rb-track-partner .rb-track-no {
  color: rgba(255, 255, 255, 0.24);
}

.rb-track-partner .rb-track-head h2 {
  color: #fff;
}

.rb-track-partner .rb-track-head p {
  color: #a5b7db;
}

.rb-track-partner .rb-eyebrow {
  background: rgba(111, 149, 255, 0.16);
  color: #a8c1ff;
}

.rb-track-partner .rb-sub-head h3 {
  color: #fff;
}

.rb-track-partner .rb-sub-head span {
  color: #8b9dc1;
}

/* 渠道类型：2 × 2 大卡 */
.rb-channel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.rb-channel {
  display: flex;
  flex-direction: column;
  padding: 26px 26px 20px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.028));
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.rb-channel:hover {
  transform: translateY(-3px);
  border-color: rgba(111, 149, 255, 0.48);
  background: linear-gradient(180deg, rgba(111, 149, 255, 0.14), rgba(255, 255, 255, 0.04));
}

.rb-channel-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rb-channel-icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(111, 149, 255, 0.16);
  color: #a9c4ff;
  box-shadow: inset 0 0 0 1px rgba(111, 149, 255, 0.22);
}

.rb-channel h3 {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.35;
  color: #fff;
  font-weight: 700;
}

.rb-channel-sub {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: #93a6cb;
}

.rb-channel-list {
  display: grid;
  gap: 9px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.rb-channel-list li {
  position: relative;
  padding-left: 15px;
  font-size: 13px;
  line-height: 1.7;
  color: #c3d1ee;
}

.rb-channel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(111, 149, 255, 0.6);
}

.rb-channel-list li b {
  color: #fff;
  font-weight: 600;
}

.rb-channel-foot {
  margin: auto 0 0;
  padding-top: 14px;
  margin-top: 16px;
  border-top: 1px dashed rgba(255, 255, 255, 0.13);
  font-size: 12.2px;
  line-height: 1.6;
  color: #8497bd;
}

/* 渠道权益 */
.rb-perks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.rb-perk {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.rb-perk i {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: rgba(111, 149, 255, 0.16);
  color: #a9c4ff;
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
}

.rb-perk strong {
  display: block;
  font-size: 13.5px;
  color: #fff;
  font-weight: 600;
}

.rb-perk span {
  display: block;
  margin-top: 3px;
  font-size: 12.4px;
  line-height: 1.65;
  color: #93a6cb;
}

/* 渠道申请 */
.rb-apply {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(0, 1fr);
  gap: 30px;
  align-items: center;
  margin-top: 18px;
  padding: 32px;
  border-radius: 22px;
  border: 1px solid rgba(111, 149, 255, 0.32);
  background: linear-gradient(122deg, rgba(47, 91, 255, 0.3), rgba(255, 255, 255, 0.05) 62%, rgba(255, 255, 255, 0.03));
}

.rb-apply h3 {
  margin: 0;
  font-size: 18.5px;
  color: #fff;
  font-weight: 700;
}

.rb-apply p {
  margin: 10px 0 0;
  font-size: 13.4px;
  line-height: 1.8;
  color: #b3c4e6;
}

.rb-apply-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.rb-apply-steps li {
  position: relative;
  padding-left: 22px;
  font-size: 12.4px;
  color: #9db0d6;
}

.rb-apply-steps li b {
  position: absolute;
  left: 0;
  top: 1px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(111, 149, 255, 0.2);
  color: #bcd2ff;
  font-size: 10px;
  font-weight: 700;
}

.rb-apply-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.rb-track-partner .rb-btn.is-primary {
  background: #fff;
  color: #10224b;
  box-shadow: 0 18px 36px -18px rgba(0, 0, 0, 0.7);
}

.rb-track-partner .rb-btn.is-primary:hover {
  background: #eef3ff;
}

.rb-track-partner .rb-btn.is-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: #dbe6ff;
  border-color: rgba(255, 255, 255, 0.24);
}

.rb-track-partner .rb-btn.is-ghost:hover {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

/* 深色 FAQ */
.rb-track-partner .rb-faq details {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
}

.rb-track-partner .rb-faq details:hover {
  border-color: rgba(111, 149, 255, 0.4);
}

.rb-track-partner .rb-faq details[open] {
  border-color: rgba(111, 149, 255, 0.45);
  box-shadow: none;
}

.rb-track-partner .rb-faq summary {
  color: #eaf0ff;
}

.rb-track-partner .rb-faq summary::after {
  border-color: #8ea4cc;
}

.rb-track-partner .rb-faq details[open] summary::after {
  border-color: #9fbcff;
}

.rb-track-partner .rb-faq p {
  color: #a9bade;
}

/* ============ 03 共用规则 ============ */
.rb-track-rules {
  background: #f7f9fe;
  border-top: 1px solid var(--rb-line);
}

.rb-track-rules .rb-track-head {
  border-bottom-color: #e2e8f5;
}

.rb-rules {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 44px;
}

.rb-rule {
  display: flex;
  gap: 14px;
  padding: 17px 0;
  border-bottom: 1px dashed #dfe6f4;
}

.rb-rule b {
  flex: 0 0 auto;
  width: 26px;
  padding-top: 1px;
  font-size: 12px;
  font-weight: 700;
  color: var(--rb-blue);
  font-variant-numeric: tabular-nums;
}

.rb-rule strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
  color: var(--rb-ink);
  font-weight: 700;
}

.rb-rule span {
  display: block;
  font-size: 13.2px;
  line-height: 1.78;
  color: var(--rb-body);
}

.rb-rules-note {
  margin: 22px 0 0;
  padding: 16px 20px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--rb-line);
  font-size: 12.8px;
  line-height: 1.8;
  color: var(--rb-muted);
}

/* ============ 收尾 CTA（返佣券） ============ */
.rb-cta {
  padding: 84px 0 96px;
  background: #eef3ff;
}

.rb-cta-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 272px;
  align-items: stretch;
  border: 1px solid #e3eafa;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 30px 64px -48px rgba(15, 32, 74, 0.55);
}

.rb-cta-copy {
  padding: 38px 44px 36px;
}

.rb-cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #4a6ac9;
}

.rb-cta-gift {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(140deg, #2f5bff, #6f95ff);
  box-shadow: 0 12px 22px -12px rgba(47, 91, 255, 0.85);
}

.rb-cta-gift svg {
  width: 16px;
  height: 16px;
}

.rb-cta-inner h2 {
  margin: 15px 0 0;
  font-size: clamp(22px, 2.1vw, 27px);
  line-height: 1.36;
  letter-spacing: -0.02em;
  color: #0b1633;
  font-weight: 800;
}

.rb-cta-inner p {
  margin: 11px 0 0;
  max-width: 660px;
  font-size: 13.5px;
  line-height: 1.8;
  text-wrap: pretty;
  color: #5a6784;
}

.rb-cta-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 24px;
}

.rb-cta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.rb-cta .rb-btn {
  height: 46px;
  padding: 0 24px;
  font-size: 14px;
}

.rb-cta .rb-btn.is-outline {
  background: #fff;
  color: #22315a;
  border: 1px solid #d7e0f4;
}

.rb-cta .rb-btn.is-outline:hover {
  border-color: #b9cbf0;
  background: #f7faff;
  color: #1b2b57;
}

.rb-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  font-size: 12.8px;
  font-weight: 600;
  color: #4a6ac9;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.rb-cta-link:hover {
  color: #2f5bff;
  border-bottom-color: rgba(47, 91, 255, 0.4);
}

.rb-cta-link svg {
  width: 13px;
  height: 13px;
  transition: transform 0.2s ease;
}

.rb-cta-link:hover svg {
  transform: translateX(3px);
}

/* 票根：深蓝奖励券 */
.rb-cta-stub {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 26px 22px;
  border-radius: 0 21px 21px 0;
  background-image:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.5) 0 2px, transparent 2px 8px),
    radial-gradient(260px 190px at 24% -12%, rgba(255, 255, 255, 0.24), transparent 68%),
    linear-gradient(162deg, #3560ff 0%, #2244c4 58%, #18307e 100%);
  background-size: 8px 100%, auto, auto;
  background-repeat: no-repeat;
  text-align: center;
  color: #fff;
}

.rb-stub-gift {
  width: 20px;
  height: 20px;
  margin-bottom: 5px;
  color: rgba(255, 255, 255, 0.62);
}

.rb-stub-rate {
  display: block;
  font-size: 50px;
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: #fff;
}

.rb-stub-rate span {
  margin-left: 2px;
  font-size: 22px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.66);
}

.rb-stub-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 9px;
}

.rb-stub-cap {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.92);
}

.rb-stub-note {
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.6);
}

.rb-stub-tag {
  margin-top: 14px;
  padding: 4px 11px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #fff;
  white-space: nowrap;
}

/* ============ 响应式 ============ */
@media (max-width: 1100px) {
  .rb-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1023px) {
  .rb-hero {
    padding: 132px 0 66px;
  }

  .rb-hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 34px;
  }

  .rb-hero-lead {
    max-width: 640px;
  }

  .rb-track {
    padding: 68px 0;
  }

  .rb-track-head {
    padding-bottom: 24px;
    margin-bottom: 32px;
  }

  .rb-track-no {
    font-size: 23px;
  }

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

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

  .rb-apply {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    padding: 26px;
  }

  .rb-apply-actions {
    justify-content: flex-start;
  }

  .rb-cta {
    padding: 64px 0 76px;
  }
}

@media (max-width: 900px) {
  .rb-paths {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .rb-rules {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .rb-rule:last-child {
    border-bottom: 0;
  }

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

  .rb-cta-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .rb-cta-copy {
    padding: 30px 28px 26px;
  }

  .rb-cta-stub {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 2px 14px;
    padding: 15px 22px;
    border-radius: 0 0 21px 21px;
    background-image:
      repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.5) 0 2px, transparent 2px 8px),
      radial-gradient(320px 140px at 18% -60%, rgba(255, 255, 255, 0.24), transparent 70%),
      linear-gradient(120deg, #3560ff 0%, #2244c4 58%, #18307e 100%);
    background-size: 100% 8px, auto, auto;
  }

  .rb-stub-gift {
    display: none;
  }

  .rb-stub-body {
    margin-top: 0;
    align-items: flex-start;
  }

  .rb-cta-stub .rb-stub-tag {
    margin-top: 0;
  }

  .rb-metrics {
    margin-top: -36px;
  }

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

  .rb-calc-result {
    padding: 22px 24px;
  }
}

@media (max-width: 640px) {
  .rb-wrap {
    padding: 0 18px;
  }

  .rb-hero {
    padding: 118px 0 52px;
  }

  .rb-hero h1 {
    letter-spacing: -0.03em;
  }

  .rb-hero-actions .rb-btn {
    flex: 1 1 100%;
  }

  .rb-deal {
    padding: 22px 20px 18px;
    border-radius: 20px;
  }

  .rb-deal-rate {
    font-size: 46px;
  }

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

  .rb-metric {
    padding: 18px 12px;
  }

  .rb-metric:nth-child(odd) {
    border-left: 0;
  }

  .rb-metric:nth-child(n + 3) {
    border-top: 1px solid var(--rb-line);
  }

  .rb-calc-form {
    padding: 20px 20px 18px;
  }

  .rb-calc-chips button {
    padding: 10px 6px 9px;
    font-size: 12.4px;
  }

  .rb-calc-main strong {
    font-size: 36px;
  }

  .rb-calc-note {
    padding: 10px 20px 12px;
  }

  .rb-deal-head {
    padding-right: 58px;
  }

  .rb-deal-sticker {
    top: -13px;
    right: 14px;
    width: 46px;
    height: 46px;
  }

  .rb-deal-sticker svg {
    width: 19px;
    height: 19px;
  }

  .rb-marquee {
    max-width: none;
  }

  .rb-marquee-track {
    font-size: 12.3px;
  }

  .rb-marquee-track span,
  .rb-marquee-track i {
    padding: 0 10px;
  }

  .rb-paths-section {
    padding: 58px 0 62px;
  }

  .rb-path {
    padding: 24px 22px 22px;
    border-radius: 20px;
  }

  .rb-track {
    padding: 56px 0;
  }

  .rb-track-head {
    padding-bottom: 20px;
    margin-bottom: 26px;
  }

  .rb-track-no {
    font-size: 21px;
  }

  .rb-track-head h2 {
    margin-top: 14px;
  }

  .rb-panel {
    padding: 20px 18px;
    border-radius: 18px;
  }

  .rb-feature-grid,
  .rb-perks {
    grid-template-columns: minmax(0, 1fr);
  }

  .rb-feature {
    padding: 20px 18px;
  }

  .rb-inline-cta {
    padding: 22px 20px;
  }

  .rb-inline-cta-actions .rb-btn {
    flex: 1 1 100%;
  }

  .rb-apply {
    padding: 22px 20px;
    border-radius: 18px;
  }

  .rb-apply-actions .rb-btn {
    flex: 1 1 100%;
  }

  .rb-cta {
    padding: 56px 0 64px;
  }

  .rb-cta-inner {
    border-radius: 18px;
  }

  .rb-cta-copy {
    padding: 24px 20px 22px;
  }

  .rb-cta-actions {
    gap: 14px;
    margin-top: 20px;
  }

  .rb-cta-btns {
    width: 100%;
  }

  .rb-cta-btns .rb-btn {
    flex: 1 1 100%;
  }

  .rb-cta-stub {
    gap: 2px 12px;
    padding: 14px 16px;
    border-radius: 0 0 17px 17px;
  }

  .rb-stub-rate {
    font-size: 32px;
  }

  .rb-stub-rate span {
    font-size: 17px;
  }

  .rb-stub-note {
    display: none;
  }

  /* 表格转卡片，避免横向滚动 */
  .rb-table-wrap {
    overflow: visible;
  }

  .rb-table thead {
    display: none;
  }

  .rb-table,
  .rb-table tbody,
  .rb-table tr,
  .rb-table td {
    display: block;
    width: 100%;
  }

  .rb-table tr {
    padding: 12px 14px;
    margin-bottom: 10px;
    border: 1px solid var(--rb-line);
    border-radius: 14px;
    background: #fff;
  }

  .rb-table tbody tr:last-child {
    margin-bottom: 0;
  }

  .rb-table td {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
    padding: 5px 0;
    border: 0;
    white-space: normal;
    text-align: right;
  }

  .rb-table td::before {
    content: attr(data-label);
    flex: 0 0 auto;
    font-size: 12.5px;
    color: var(--rb-muted);
  }

  .rb-table td.is-name {
    padding-bottom: 10px;
    margin-bottom: 6px;
    border-bottom: 1px dashed #e8edf8;
    font-size: 15.5px;
  }

  .rb-table td.is-name::before {
    display: none;
  }
}

/* 尊重系统的减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .rb-btn,
  .rb-path,
  .rb-path-go svg,
  .rb-feature,
  .rb-channel,
  .rb-cta-link svg,
  .rb-faq summary::after {
    transition: none;
  }

  .rb-path:hover,
  .rb-feature:hover,
  .rb-channel:hover,
  .rb-btn.is-primary:hover {
    transform: none;
  }
}

/* ================= 首屏收益卡：静态成品图（unb16） ================= */
/* 图片自带圆角、渐变描边、右侧齿孔与礼盒角标，容器只负责占位与悬浮手感，
   原 .rb-deal 的 padding / 描边 / 阴影 / 伪元素全部归零，避免双份描边 */
.rb-deal.rb-deal-img {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
}

.rb-deal.rb-deal-img::before,
.rb-deal.rb-deal-img::after {
  content: none;
}

.rb-deal-img img {
  display: block;
  width: 100%;
  height: auto;
  filter: none;
  transition: filter 0.22s ease;
}

.rb-deal.rb-deal-img:hover {
  box-shadow: none;
}

.rb-deal.rb-deal-img:hover img {
  filter: drop-shadow(0 14px 26px rgba(20, 43, 110, 0.16));
}

@media (prefers-reduced-motion: reduce) {
  .rb-deal-img img {
    transition: none;
  }
}

/* ================= 首屏重设计：邀请卡成品图为主视觉（unb20） ================= */
/* 图内已自带标题、副标题与四宫格，因此右列放大到与左列等高，左列同步收窄字号与文案，
   避免与图内信息重复。图列不出血，任何视口都不会被 hero 的 overflow 裁边。
   首屏提前到 1120px 断列：1024 附近双列会把成品图压得过小。 */
.rb-hero {
  padding: 140px 0 112px;
}

.rb-hero-inner {
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 38px;
}

.rb-hero-copy {
  position: relative;
  z-index: 2;
}

.rb-hero h1 {
  font-size: clamp(32px, 3.9vw, 52px);
}

.rb-hero-lead {
  max-width: 452px;
}

.rb-deal.rb-deal-img {
  justify-self: end;
  width: 100%;
  max-width: 640px;
}

@media (max-width: 1120px) {
  .rb-hero {
    padding: 132px 0 72px;
  }

  .rb-hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }

  .rb-hero-lead {
    max-width: 640px;
  }

  .rb-deal.rb-deal-img {
    justify-self: center;
    max-width: 620px;
  }
}

@media (max-width: 640px) {
  .rb-deal.rb-deal-img {
    max-width: 100%;
  }
}