/* roulang page: index */
:root {
  --primary: #0E6F68;
  --primary-deep: #0B5A54;
  --accent: #0FB5AE;
  --blue: #2F8BBF;
  --brand-gradient: linear-gradient(135deg, #0E6F68 0%, #0FB5AE 60%, #2F8BBF 100%);
  --warm: #F9703D;
  --warm-deep: #E4572E;
  --gold: #F2B544;
  --page-bg: #F3FAFA;
  --card-bg: #FFFFFF;
  --heading-color: #123A40;
  --body-color: #233F4A;
  --muted-color: #627C85;
  --line-color: #E1EDF0;
  --deep-panel: #0C3840;
  --success: #17A88B;
  --danger: #E4572E;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 6px 20px rgba(11, 72, 80, 0.07);
  --shadow-card: 0 14px 40px rgba(11, 72, 80, 0.08);
  --shadow-hover: 0 18px 48px rgba(11, 72, 80, 0.14);
  --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-stack);
  background: var(--page-bg);
  color: var(--body-color);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button, input, select, textarea {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}
.container-narrow {
  max-width: 860px;
  margin: 0 auto;
}
.section {
  padding: 84px 0;
}
.section-alt {
  background: #F3FAFA;
}
.section-head {
  max-width: 720px;
  margin-bottom: 44px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: #E7F4F2;
  color: var(--primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .3px;
}
.section-label::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
}
.section-head h2 {
  margin-top: 16px;
  font-size: 34px;
  line-height: 1.3;
  color: var(--heading-color);
  letter-spacing: -.3px;
  font-weight: 800;
}
.section-head p {
  margin-top: 12px;
  font-size: 16px;
  color: var(--muted-color);
}
.text-gradient {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: background .25s ease, box-shadow .25s ease, transform .2s ease, color .25s ease, border-color .25s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn svg, .btn i {
  font-style: normal;
  line-height: 1;
}
.btn-brand {
  background: var(--brand-gradient);
  color: #fff;
  box-shadow: 0 12px 28px rgba(14, 111, 104, 0.24);
}
.btn-brand:hover {
  box-shadow: 0 16px 34px rgba(14, 111, 104, 0.3);
  transform: translateY(-2px);
}
.btn-warm {
  background: var(--warm);
  color: #fff;
  box-shadow: 0 10px 26px rgba(249, 112, 61, 0.24);
}
.btn-warm:hover {
  background: var(--warm-deep);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(228, 87, 46, 0.3);
}
.btn-light {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-light:hover {
  background: #EAF6F4;
  border-color: #EAF6F4;
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border: 1px solid #C9DDE0;
}
.btn-outline:hover {
  background: #EAF6F5;
  color: var(--primary);
  border-color: #9DC9C5;
}
.btn-outline-light {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.52);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.86);
  color: #fff;
}
.btn-lg {
  min-height: 54px;
  padding: 0 38px;
  font-size: 16px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line-color);
  backdrop-filter: blur(8px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--brand-gradient);
  color: #fff;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: .5px;
  box-shadow: 0 10px 22px rgba(14, 111, 104, 0.2);
}
.brand-name {
  display: flex;
  flex-direction: column;
  font-size: 22px;
  line-height: 1.15;
  color: var(--heading-color);
  font-weight: 800;
  letter-spacing: -.4px;
}
.brand-name small {
  font-size: 11px;
  font-weight: 500;
  color: var(--muted-color);
  letter-spacing: .5px;
  margin-top: 3px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--body-color);
  transition: background .2s ease, color .2s ease;
}
.nav-links > a:hover {
  color: var(--primary);
  background: #EAF6F5;
}
.nav-links > a.active {
  color: var(--primary);
  background: #EAF6F5;
  font-weight: 700;
}
.header-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 24px;
  border-radius: 999px;
  background: var(--warm);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
  box-shadow: 0 8px 20px rgba(249, 112, 61, 0.22);
}
.header-login:hover {
  background: var(--warm-deep);
  box-shadow: 0 12px 26px rgba(228, 87, 46, 0.28);
  transform: translateY(-2px);
}
.header-burger {
  display: none;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--heading-color);
}
.header-burger span,
.header-burger span::before,
.header-burger span::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--heading-color);
  border-radius: 4px;
  transition: transform .25s ease, opacity .25s ease;
}
.header-burger span {
  position: relative;
}
.header-burger span::before {
  position: absolute;
  top: -7px;
  left: 0;
}
.header-burger span::after {
  position: absolute;
  top: 7px;
  left: 0;
}
.header-burger.is-active span {
  background: transparent;
}
.header-burger.is-active span::before {
  transform: translateY(7px) rotate(45deg);
}
.header-burger.is-active span::after {
  transform: translateY(-7px) rotate(-45deg);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 20px 24px;
  background: #fff;
  border-bottom: 1px solid var(--line-color);
  box-shadow: 0 20px 30px rgba(11, 72, 80, 0.08);
}
.mobile-menu a {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 0 12px;
  border-radius: 12px;
  font-weight: 600;
  color: var(--body-color);
}
.mobile-menu a.active {
  color: var(--primary);
  background: #EAF6F5;
}
.mobile-menu .mobile-login {
  margin-top: 12px;
  text-align: center;
  justify-content: center;
  background: var(--warm);
  color: #fff;
  border-radius: 999px;
  font-weight: 700;
}
.mobile-menu.open {
  display: flex;
}
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(12, 84, 82, 0.97) 0%, rgba(14, 111, 104, 0.92) 40%, rgba(22, 138, 139, 0.86) 78%, rgba(47, 139, 191, 0.8) 100%),
    url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -160px;
  top: -120px;
  border-radius: 50%;
  border: 70px solid rgba(255, 255, 255, 0.08);
}
.hero::after {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: 330px;
  bottom: -170px;
  border-radius: 50%;
  border: 48px solid rgba(255, 255, 255, 0.05);
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 72px;
  align-items: center;
  padding: 70px 0;
}
.hero-copy .hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
}
.hero-label-line {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}
.hero-copy h1 {
  margin: 24px 0 20px;
  font-size: 48px;
  line-height: 1.24;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 4px 18px rgba(6, 64, 65, 0.12);
  letter-spacing: -1px;
}
.hero-copy .hero-desc {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.92);
  max-width: 620px;
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}
.hero-card {
  background: #fff;
  border-radius: 24px;
  padding: 16px;
  color: var(--body-color);
  box-shadow: 0 24px 60px rgba(8, 58, 62, 0.24);
}
.hero-card-figure {
  border-radius: 18px;
  overflow: hidden;
  background: #E7F4F2;
  aspect-ratio: 16 / 10;
}
.hero-card-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding: 0 2px;
}
.hero-card-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--heading-color);
}
.hero-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--success);
}
.hero-live::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(23, 168, 139, 0.14);
}
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}
.hero-metric {
  text-align: center;
  background: #F1FAF8;
  border: 1px solid #D9EBE8;
  border-radius: 16px;
  padding: 14px 8px 11px;
}
.hero-metric strong {
  display: block;
  font-size: 24px;
  line-height: 1.2;
  color: var(--primary);
  font-weight: 800;
}
.hero-metric span {
  font-size: 12px;
  color: var(--muted-color);
  line-height: 1.4;
}
.play-section {
  background: #fff;
}
.play-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.play-card {
  background: #fff;
  border: 1px solid var(--line-color);
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position: relative;
}
.play-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: #C5E0DC;
}
.play-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.step-num {
  color: var(--primary);
  background: #E4F3F1;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -.4px;
}
.step-icon {
  color: #BFDEDB;
}
.play-card h3 {
  font-size: 20px;
  line-height: 1.4;
  color: var(--heading-color);
  font-weight: 800;
}
.play-card p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted-color);
  margin: 12px 0 18px;
}
.play-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
}
.play-link i {
  transition: transform .2s ease;
  font-style: normal;
}
.play-card:hover .play-link i {
  transform: translateX(4px);
}
.play-cta {
  display: flex;
  justify-content: center;
  margin-top: 44px;
}
.rewards-section {
  background: linear-gradient(180deg, #fff 0%, #F3FAFA 100%);
}
.reward-grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 24px;
  align-items: stretch;
}
.reward-feature {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  background: var(--brand-gradient);
  color: #fff;
  padding: 36px 38px;
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 320px;
  box-shadow: 0 16px 44px rgba(14, 111, 104, 0.16);
}
.reward-feature::after {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  border: 36px solid rgba(255, 255, 255, 0.08);
  right: -70px;
  bottom: -70px;
}
.reward-feature-copy {
  position: relative;
  z-index: 2;
  flex: 1 1 64%;
}
.reward-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
}
.reward-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--gold);
  border-radius: 50%;
}
.reward-feature h3 {
  font-size: 28px;
  line-height: 1.35;
  margin: 18px 0 12px;
  font-weight: 800;
}
.reward-feature p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
  line-height: 1.8;
  max-width: 450px;
}
.reward-feature .btn-light {
  margin-top: 22px;
}
.reward-figure {
  position: relative;
  z-index: 2;
  flex: 0 0 190px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 14px 34px rgba(6, 64, 65, 0.2);
  aspect-ratio: 4 / 3;
}
.reward-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.reward-stack {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.reward-mini {
  flex: 1;
  background: #fff;
  border: 1px solid var(--line-color);
  border-radius: 22px;
  padding: 28px;
  transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
  display: flex;
  flex-direction: column;
}
.reward-mini:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: #C9E4E0;
}
.reward-mini-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.mini-tag {
  display: inline-block;
  background: #EFF8F6;
  color: var(--primary);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}
.mini-tag.gold {
  background: #FFF6E5;
  color: #B7791F;
}
.reward-mini h4 {
  font-size: 19px;
  color: var(--heading-color);
  font-weight: 800;
}
.reward-mini p {
  font-size: 14.5px;
  color: var(--muted-color);
  line-height: 1.8;
  margin-top: 6px;
  flex: 1;
}
.reward-mini-link {
  margin-top: 18px;
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.progress-section {
  background: #F3FAFA;
}
.progress-wrap {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 28px;
}
.progress-panel {
  background: #fff;
  border-radius: 24px;
  border: 1px solid var(--line-color);
  box-shadow: var(--shadow-card);
  padding: 34px;
}
.progress-panel-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--heading-color);
  margin-bottom: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.progress-hint {
  color: var(--muted-color);
  font-size: 13px;
}
.task-list {
  list-style: none;
  display: grid;
  gap: 8px;
}
.task-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 16px;
  border-radius: 14px;
  background: #F7FCFB;
  border: 1px solid #E7F1F0;
  font-size: 15px;
  font-weight: 500;
}
.task-item .task-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
}
.task-item.done .task-dot {
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(23, 168, 139, 0.12);
}
.task-item.done .task-status {
  color: var(--success);
}
.task-item.current .task-dot {
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(242, 181, 68, 0.14);
}
.task-status {
  font-size: 13px;
  color: var(--muted-color);
  white-space: nowrap;
}
.task-label {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ratio-card {
  background: #fff;
  border-radius: 24px;
  border: 1px solid var(--line-color);
  box-shadow: var(--shadow-card);
  padding: 34px;
  display: flex;
  flex-direction: column;
}
.ratio-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.ratio-title {
  font-size: 15px;
  color: var(--muted-color);
  line-height: 1.5;
}
.ratio-value {
  font-size: 38px;
  line-height: 1.1;
  color: var(--primary);
  font-weight: 800;
}
.progress-bar {
  height: 10px;
  background: #E7F1F3;
  border-radius: 999px;
  overflow: hidden;
  margin: 22px 0 20px;
}
.progress-bar-fill {
  height: 100%;
  width: 62%;
  border-radius: inherit;
  background: var(--brand-gradient);
}
.ratio-stage {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
}
.ratio-stage div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: var(--body-color);
  padding: 10px 12px;
  background: #F7FCFB;
  border-radius: 12px;
}
.ratio-stage div span {
  color: var(--muted-color);
}
.cta-section {
  padding: 30px 0 100px;
  background: #fff;
}
.cta-box {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  background:
    linear-gradient(120deg, #0C3840 0%, #0E5D5B 64%, #187F78 100%),
    url("/assets/images/backpic/back-3.webp") right bottom / cover no-repeat;
  background-blend-mode: normal;
  padding: 70px 68px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}
.cta-box::before {
  content: "";
  position: absolute;
  width: 250px;
  height: 250px;
  border: 56px solid rgba(255, 255, 255, 0.04);
  right: -80px;
  top: -90px;
  border-radius: 50%;
}
.cta-copy {
  position: relative;
  z-index: 2;
  max-width: 680px;
}
.cta-copy h2 {
  font-size: 32px;
  line-height: 1.35;
  font-weight: 800;
  color: #fff;
}
.cta-copy p {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 16px;
}
.cta-action {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
}
.news-section {
  background: #F3FAFA;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line-color);
  border-radius: 20px;
  padding: 28px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  box-shadow: var(--shadow-sm);
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: #C4E1DD;
}
.news-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.news-tag {
  display: inline-block;
  background: #E8F5F2;
  color: var(--primary);
  font-size: 12.5px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}
.news-time {
  font-size: 13px;
  color: #94A9B0;
  white-space: nowrap;
}
.news-card h3 {
  font-size: 19px;
  line-height: 1.5;
  color: var(--heading-color);
  font-weight: 800;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 58px;
}
.news-card p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted-color);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
}
.news-more i {
  font-style: normal;
  transition: transform .2s ease;
}
.news-card:hover .news-more i {
  transform: translateX(5px);
}
.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  border: 1px dashed #C4D9D6;
  border-radius: 20px;
  background: #F8FCFB;
  color: var(--muted-color);
  font-size: 15px;
  text-align: center;
  grid-column: 1 / -1;
}
.faq-section {
  background: #fff;
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--line-color);
  border-radius: 18px;
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.faq-item[open] {
  border-color: #B9DCD7;
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 26px;
  font-weight: 700;
  font-size: 16px;
  color: var(--heading-color);
  -webkit-tap-highlight-color: transparent;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: #E8F5F3;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
}
.faq-item summary::after {
  content: "+";
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #F1F8F7;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  font-size: 20px;
  font-weight: 400;
  transition: transform .25s ease, background .25s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
  background: #E0F0EC;
}
.faq-body {
  padding: 0 26px 24px 74px;
  color: var(--muted-color);
  font-size: 15px;
  line-height: 1.85;
}
.site-footer {
  background: var(--deep-panel);
  color: #D9E7E7;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 48px;
  padding: 64px 0 44px;
}
.footer-brand .brand-name {
  color: #fff;
}
.footer-brand .brand-name small {
  color: #8FB1B1;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.85;
  color: #AFC8C9;
  margin-top: 14px;
  max-width: 360px;
}
.footer-title {
  font-size: 15px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: .4px;
}
.footer-links {
  list-style: none;
  display: grid;
  gap: 12px;
}
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #B7CACB;
  font-size: 14px;
  transition: color .2s ease, transform .2s ease;
}
.footer-links a::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #5E9491;
}
.footer-links a:hover {
  color: #fff;
}
.footer-contact {
  font-size: 14px;
  color: #B7CACB;
  line-height: 2;
}
.footer-contact strong {
  color: #fff;
  font-weight: 600;
}
.footer-meta {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 18px 0;
}
.footer-meta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: #8FB1B1;
  font-size: 13px;
}
.footer-meta-inner a {
  color: #B7CACB;
}
.footer-meta-inner a:hover {
  color: #fff;
}
.footer-note {
  padding: 14px 0 26px;
  color: #7C9F9F;
  font-size: 12.5px;
  line-height: 1.8;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-note p {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}
@media screen and (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .hero-card {
    max-width: 720px;
  }
  .play-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .play-card:last-child {
    grid-column: 1 / -1;
  }
  .reward-grid {
    grid-template-columns: 1fr;
  }
  .reward-stack {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .progress-wrap {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 48px 34px;
  }
  .nav-links {
    display: none;
  }
  .header-burger {
    display: inline-flex;
  }
  .site-nav {
    gap: 12px;
  }
  .header-login {
    display: none;
  }
  .mobile-menu {
    display: none;
  }
}
@media screen and (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  .section-head h2 {
    font-size: 27px;
  }
  .hero {
    min-height: auto;
  }
  .hero-inner {
    padding: 52px 0 60px;
  }
  .hero-copy h1 {
    font-size: 36px;
  }
  .hero-copy .hero-desc {
    font-size: 16px;
  }
  .hero-buttons {
    flex-direction: column;
  }
  .hero-buttons .btn {
    width: 100%;
  }
  .reward-stack {
    grid-template-columns: 1fr;
  }
  .reward-feature {
    flex-direction: column;
    padding: 28px 24px;
    gap: 20px;
  }
  .reward-figure {
    flex: none;
    width: 100%;
    max-height: 180px;
  }
  .play-grid {
    grid-template-columns: 1fr;
  }
  .play-card:last-child {
    grid-column: auto;
  }
  .progress-panel, .ratio-card {
    padding: 26px 22px;
  }
  .cta-box {
    padding: 40px 24px;
  }
  .faq-body {
    padding-left: 24px;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 44px 0 32px;
  }
}
@media screen and (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .header-inner {
    min-height: 70px;
  }
  .brand-mark {
    width: 40px;
    height: 40px;
    font-size: 15px;
  }
  .brand-name {
    font-size: 19px;
  }
  .hero-copy h1 {
    font-size: 31px;
  }
  .hero-copy .hero-desc {
    font-size: 15px;
  }
  .hero-metrics {
    gap: 6px;
  }
  .hero-metric strong {
    font-size: 20px;
  }
  .hero-metric span {
    font-size: 11px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .play-card {
    padding: 26px 20px;
  }
  .reward-feature h3 {
    font-size: 23px;
  }
  .reward-feature p {
    font-size: 14px;
  }
  .ratio-value {
    font-size: 30px;
  }
  .cta-copy h2 {
    font-size: 25px;
  }
  .cta-copy p {
    font-size: 14px;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .footer-meta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* roulang page: category1 */
:root{
  --primary:#0E6F68;
  --primary-2:#0FB5AE;
  --primary-3:#2F8BBF;
  --grad-main:linear-gradient(135deg,#0E6F68 0%,#0FB5AE 60%,#2F8BBF 100%);
  --accent:#F9703D;
  --accent-dark:#D95626;
  --gold:#F2B544;
  --dark:#0C3840;
  --page:#F3FAFA;
  --surface:#FFFFFF;
  --ink:#123A40;
  --text:#233F4A;
  --text-weak:#627C85;
  --line:#E1EDF0;
  --success:#17A88B;
  --warning:#E4572E;
  --white:#FFFFFF;
  --radius-xl:20px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-card:0 14px 40px rgba(11,72,80,.08);
  --shadow-hover:0 18px 48px rgba(11,72,80,.14);
  --content:1200px;
  --read:860px;
  --space-section:84px;
  --font-main:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  color:var(--text);
  background:var(--page);
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button,input,textarea,select{font-family:inherit;font-size:inherit}
p{font-size:15px;line-height:1.75}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;font-weight:600}
ul,ol{list-style:none}
.container{max-width:var(--content);margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding-top:var(--space-section);padding-bottom:var(--space-section)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.14em;color:var(--primary);background:rgba(14,111,104,.08);
  padding:7px 14px;border-radius:var(--radius-pill);margin-bottom:18px;
  border:1px solid rgba(14,111,104,.12);
}
.section-header{margin-bottom:42px}
.section-title{font-size:30px;line-height:1.25;margin-bottom:12px}
.section-lead{color:var(--text-weak);max-width:760px;font-size:16px}
.text-center .section-header{text-align:center}
.text-center .section-lead{margin-left:auto;margin-right:auto}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-size:14px;font-weight:600;line-height:1;border:1px solid transparent;
  border-radius:var(--radius-md);padding:15px 24px;min-height:48px;
  cursor:pointer;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .2s ease;
  -webkit-tap-highlight-color:transparent;
}
.btn svg{flex:0 0 auto}
.btn-primary{
  background:var(--grad-main);color:#fff;box-shadow:0 10px 24px rgba(14,111,104,.28);
}
.btn-primary:hover{box-shadow:0 12px 30px rgba(14,111,104,.34);background-image:linear-gradient(135deg,#0e7f77 0%,#17c2b7 60%,#3a98ca 100%)}
.btn-primary:focus-visible,.btn-accent:focus-visible,.btn-outline:focus-visible,.btn-white:focus-visible{outline:3px solid rgba(47,139,191,.42);outline-offset:2px}
.btn-accent{
  background:var(--accent);color:#fff;
  box-shadow:0 10px 24px rgba(249,112,61,.24);
}
.btn-accent:hover{background:var(--accent-dark);box-shadow:0 12px 30px rgba(249,112,61,.32)}
.btn-outline{
  background:rgba(255,255,255,.9);color:var(--ink);
  border-color:var(--line);box-shadow:0 6px 18px rgba(11,72,80,.05);
}
.btn-outline:hover{background:#edf7f7;border-color:rgba(14,111,104,.28);color:var(--primary)}
.btn-white{
  background:#fff;color:var(--dark);
}
.btn-white:hover{background:#f0f8f7;color:var(--primary)}
.btn-pill{border-radius:var(--radius-pill)}
.btn-lg{padding:18px 34px;min-height:54px;font-size:15px;border-radius:999px}
.btn-block{width:100%}

/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(254,255,255,.94);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:78px;gap:24px;
}
.brand{
  display:inline-flex;align-items:center;gap:12px;flex-shrink:0;
}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:13px;
  background:var(--grad-main);color:#fff;font-size:17px;font-weight:800;
  letter-spacing:-.04em;box-shadow:0 8px 20px rgba(14,111,104,.24);
}
.brand-name{
  display:flex;flex-direction:column;line-height:1.16;font-weight:700;color:var(--ink);
  font-size:19px;
}
.brand-name small{font-size:12px;font-weight:500;color:var(--text-weak);margin-top:2px;letter-spacing:.02em}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);background:var(--surface);
  cursor:pointer;color:var(--ink);
}
.nav-toggle:hover{border-color:rgba(14,111,104,.3);color:var(--primary)}
.nav-toggle svg{width:22px;height:22px}
.nav-wrap{
  display:flex;align-items:center;gap:22px;
}
.nav-links{
  display:flex;align-items:center;gap:4px;
}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;min-height:40px;
  padding:0 14px;border-radius:11px;
  font-size:15px;font-weight:500;color:var(--text);
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{color:var(--primary);background:#EEF8F7}
.nav-links a:active{transform:translateY(0)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-main);
}
.nav-entry{margin-left:8px;border-radius:999px;padding:12px 22px;min-height:42px;flex-shrink:0}

/* footer */
.site-footer{
  background:var(--dark);color:#C6DADC;
  padding:62px 0 30px;margin-top:42px;
}
.footer-main{
  display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:44px;
  padding-bottom:38px;border-bottom:1px solid rgba(136,183,188,.2);
}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-name small{color:#A3C4C8}
.footer-brand p{margin-top:16px;max-width:430px;font-size:14px;line-height:1.8}
.footer-title{
  color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;
}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:14px;color:#C6DADC}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-contact{display:grid;gap:11px;font-size:14px}
.footer-contact strong{font-weight:600;color:#fff}
.footer-meta{
  padding-top:26px;display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;color:#9DBFC3;font-size:13px;
}
.footer-meta-inner{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.footer-note{margin-top:14px;padding-top:18px;border-top:1px solid rgba(136,183,188,.14)}
.footer-note p{font-size:13px;color:#8cafb4;line-height:1.7;max-width:1100px}
.footer-meta a{color:#D7E9EA}
.footer-meta a:hover{color:#fff}

/* hero */
.rules-hero{
  position:relative;color:var(--ink);overflow:hidden;
  background:#E9F3F4;
}
.rules-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url('/assets/images/backpic/back-1.webp') center 32%/cover no-repeat;
}
.rules-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(105deg,rgba(255,255,255,.97) 20%,rgba(225,246,246,.86) 55%,rgba(14,111,104,.4) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  padding-top:92px;padding-bottom:92px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary);background:rgba(255,255,255,.82);
  border:1px solid rgba(14,111,104,.16);
  padding:7px 13px;border-radius:999px;font-size:13px;font-weight:600;
  box-shadow:0 4px 12px rgba(11,72,80,.04);
}
.hero-title{
  font-size:37px;line-height:1.26;font-weight:700;color:var(--ink);
  margin:22px 0 16px;max-width:760px;
}
.hero-title .text-gradient{
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:16px;color:var(--text);max-width:650px;
  margin-bottom:30px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-side{align-self:center}
.hero-badges{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
  background:rgba(255,255,255,.58);
  border:1px solid rgba(255,255,255,.9);
  border-radius:var(--radius-xl);
  padding:22px;
  box-shadow:0 18px 48px rgba(11,72,80,.1);
  backdrop-filter:blur(6px);
}
.info-badge{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:16px 13px;display:grid;gap:7px;min-height:88px;
  box-shadow:0 6px 16px rgba(11,72,80,.05);
}
.info-badge:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(11,72,80,.09)}
.info-badge strong{
  font-size:28px;font-weight:800;color:var(--ink);letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
}
.info-badge strong i{
  font-style:normal;font-size:18px;color:var(--primary);margin-left:2px;
  background:linear-gradient(135deg,var(--primary),var(--primary-3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.info-badge span{font-size:13px;color:var(--text-weak);line-height:1.4}
.hero-trust{
  grid-column:span 2;display:flex;align-items:center;gap:10px;
  background:#EFF8F7;border-radius:12px;padding:10px 14px;
  color:var(--primary);font-size:13px;font-weight:500;
}
.hero-trust svg{flex:0 0 auto}

/* intro strip */
.intro-strip{
  background:#fff;border-bottom:1px solid var(--line);
}
.intro-strip-inner{
  display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;
  padding:26px 0;
}
.intro-badge{
  background:#EFF6F6;color:var(--primary);
  border-radius:999px;padding:10px 18px;font-weight:600;
  font-size:13px;white-space:nowrap;
}
.intro-ribbon p{font-size:14px;color:var(--text)}

/* rules split */
.rules-split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:start;
}
.rules-main-head,.faq-head{margin-bottom:24px}
.rules-main-head h2,.faq-head h2{font-size:28px;margin-bottom:8px}
.rules-main-head p,.faq-head p{color:var(--text-weak);font-size:14px}
.step-list{display:grid;gap:18px}
.step-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-xl);box-shadow:var(--shadow-card);
  padding:24px 24px 22px;display:grid;grid-template-columns:auto 1fr;gap:18px;
  position:relative;overflow:hidden;
}
.step-card::after{
  content:"";position:absolute;right:0;top:0;width:86px;height:86px;
  background:radial-gradient(circle at top right,#E1F4F2,transparent 72%);pointer-events:none;
}
.step-index{
  width:44px;height:44px;border-radius:13px;background:var(--grad-main);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 20px rgba(14,111,104,.22);
}
.step-card h3{font-size:18px;margin-bottom:5px;color:var(--ink)}
.step-card p{font-size:14px;color:var(--text-weak);line-height:1.75;margin-bottom:8px}
.step-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;
  background:#F0F7F7;border-radius:999px;padding:6px 11px;color:var(--primary);font-weight:500;
}
.step-tag svg{width:14px;height:14px}

/* FAQ */
.faq-wrap{display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 5px 16px rgba(11,72,80,.03);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(14,111,104,.2)}
.faq-item[open]{box-shadow:var(--shadow-card);border-color:rgba(14,111,104,.2)}
.faq-summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  cursor:pointer;list-style:none;padding:18px 20px;
  font-size:15px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-summary::-webkit-details-marker{display:none}
.faq-summary:hover{color:var(--primary)}
.faq-item[open] .faq-summary{color:var(--primary)}
.faq-icon{
  width:24px;height:24px;border-radius:50%;flex:0 0 auto;
  background:var(--primary);color:#fff;display:inline-flex;align-items:center;
  justify-content:center;font-size:18px;line-height:1;font-weight:500;
  transition:transform .25s ease,background .2s ease;
}
.faq-item[open] .faq-icon{background:var(--accent);transform:rotate(45deg)}
.faq-answer{
  padding:2px 20px 20px;font-size:14px;color:var(--text);border-top:1px dashed var(--line);
  margin-top:0;padding-top:16px;line-height:1.75;
}

/* feature guide */
.feature-guide{
  background:#FFFFFF;
}
.feature-guide-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
}
.feature-media{
  border-radius:28px;overflow:hidden;position:relative;
  box-shadow:0 18px 48px rgba(11,72,80,.1);
  border:1px solid var(--line);
}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-caption{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(12,56,64,.82);color:#fff;
  backdrop-filter:blur(8px);
  border-radius:14px;padding:10px 16px;font-size:13px;
}
.feature-copy{display:grid;gap:34px}
.guide-block h3{font-size:20px;margin-bottom:10px}
.guide-block p{font-size:15px;color:var(--text);margin-bottom:14px}
.guide-list{display:grid;gap:12px}
.guide-list li{
  display:flex;gap:13px;align-items:flex-start;
  background:#F7FBFA;border:1px solid var(--line);border-radius:14px;
  padding:15px 16px;
}
.guide-list .guide-ico{
  width:30px;height:30px;flex:0 0 auto;border-radius:9px;
  background:var(--grad-main);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
}
.guide-list .guide-ico svg{width:16px;height:16px}
.guide-list strong{display:block;color:var(--ink);font-size:15px;font-weight:600;margin-bottom:3px}
.guide-list span{font-size:13.5px;color:var(--text-weak);line-height:1.7}

/* scene grid */
.scene-inner .section-header{display:flex;justify-content:space-between;align-items:flex-end;gap:32px}
.edge-link{
  display:inline-flex;align-items:center;gap:8px;color:var(--primary);
  font-weight:600;font-size:14px;margin-bottom:6px;white-space:nowrap;
}
.edge-link svg{transition:transform .2s ease}
.edge-link:hover svg{transform:translateX(3px)}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:26px 22px;box-shadow:0 10px 26px rgba(11,72,80,.05);
  transition:transform .22s ease,box-shadow .25s ease;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.scene-icon{
  width:46px;height:46px;border-radius:14px;background:#EFF7F6;
  display:flex;align-items:center;justify-content:center;color:var(--primary);
  margin-bottom:20px;
}
.scene-icon svg{width:23px;height:23px}
.scene-card h3{font-size:16px;margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--text-weak);line-height:1.7}

/* guide table */
.version-box{
  background:#FFFFFF;border-radius:var(--radius-xl);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  overflow:hidden;
}
.version-box-inner{display:grid;grid-template-columns:.32fr .68fr;gap:0}
.version-table-head{
  background:var(--grad-main);padding:28px 26px;color:#fff;
}
.version-table-head h3{color:#fff;font-size:20px;margin-bottom:6px}
.version-table-head p{color:#e8ffff;font-size:13px}
.guide-table{
  display:grid;grid-template-columns:1fr; 
}
.guide-table-item{
  display:grid;grid-template-columns:150px 1fr;gap:14px;
  padding:19px 26px;border-bottom:1px solid var(--line);
}
.guide-table-item:last-child{border-bottom:0}
.guide-table-item dt{color:var(--primary);font-weight:600;font-size:14px;font-variant-numeric:tabular-nums}
.guide-table-item dd{color:var(--text);font-size:14.5px;line-height:1.8}
.guide-table-item:nth-child(even){background:#F8FCFC}

/* cta */
.cta-zone{
  background:linear-gradient(115deg,#0B3940 0%,#0C4B52 52%,#125964 100%);
  color:#fff;position:relative;overflow:hidden;border-radius:0;
}
.cta-zone::before{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(47,139,191,.32),transparent 68%);pointer-events:none;
}
.cta-zone::after{
  content:"";position:absolute;left:-80px;bottom:-160px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(249,112,61,.18),transparent 68%);pointer-events:none;
}
.cta-k{position:relative;z-index:1;padding:72px 0}
.cta-k-inner{
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
}
.cta-k-copy{max-width:660px}
.cta-k-copy h2{font-size:28px;color:#fff;margin-bottom:10px}
.cta-k-copy p{color:#C9E3E5;font-size:15px}
.cta-k-action{display:flex;gap:14px;flex-wrap:wrap}

/* responsive */
@media(max-width:1024px){
  :root{--space-section:72px}
  .hero-title{font-size:34px}
  .hero-inner{grid-template-columns:1fr .7fr;padding-top:70px;padding-bottom:70px}
  .badge-row .badge-item strong{font-size:23px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .feature-guide-inner{grid-template-columns:1fr;gap:36px}
  .feature-media{max-height:440px;overflow:hidden}
  .feature-media img{height:420px;object-fit:cover}
  .score-grid{grid-template-columns:repeat(3,1fr)}
}

@media(max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-wrap{
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:14px;
    width:100%;background:#fff;padding:16px 0 22px;
    border-top:1px solid var(--line);
  }
  .nav-wrap.open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;gap:2px;width:100%}
  .nav-links a{padding:14px 16px;border-radius:10px;font-size:16px}
  .nav-links a.active::after{display:none}
  .nav-links a.active{background:#EAF7F6}
  .nav-entry{margin-left:0;width:100%;justify-content:center}
  .header-inner{height:72px}
  .hero-inner{grid-template-columns:1fr;padding-top:46px;padding-bottom:60px}
  .hero-side .hero-badges{max-width:540px}
  .rules-split{grid-template-columns:1fr}
  .intro-strip-inner{grid-template-columns:1fr;gap:12px}
  .version-box-inner{grid-template-columns:1fr}
  .cta-k-inner{flex-direction:column;align-items:flex-start}
}
@media(max-width:768px){
  .footer-main{grid-template-columns:1fr 1fr;gap:30px}
  .score-grid{grid-template-columns:repeat(2,1fr)}
  .section-title{font-size:26px}
  .hero-title{font-size:31px;line-height:1.32}
}
@media(max-width:600px){
  :root{--space-section:60px}
  .container{padding-left:18px;padding-right:18px}
  .hero-inner{padding-top:36px;padding-bottom:50px}
  .hero-title{font-size:29px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-badges{grid-template-columns:1fr 1fr}
  .info-badge strong{font-size:24px}
  .step-card{grid-template-columns:1fr}
  .step-index{margin-bottom:4px}
  .faq-summary{font-size:14.5px;padding:16px}
  .faq-answer{padding-left:16px;padding-right:16px}
  .btn-lg{width:100%}
  .scene-grid{grid-template-columns:1fr;gap:14px}
  .footer-main{grid-template-columns:1fr}
  .footer-meta{justify-content:center;text-align:center}
  .footer-meta-inner{justify-content:center}
  .section-header{flex-direction:column;align-items:flex-start}
  .cta-k{padding:46px 0}
  .cta-k-action .btn{width:100%}
  .footer{ padding-left:18px;padding-right:18px }
  .feature-caption{display:none}
  .guide-table-item{grid-template-columns:1fr;gap:6px}
}
@media(max-width:420px){
  .hero-badges{grid-template-columns:1fr}
  .info-badge{min-height:80px}
  .score-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root {
  --brand: #0E6F68;
  --brand-2: #0FB5AE;
  --brand-3: #2F8BBF;
  --accent: #F9703D;
  --gold: #F2B544;
  --bg: #F3FAFA;
  --card: #FFFFFF;
  --text-head: #123A40;
  --text-main: #233F4A;
  --text-sub: #627C85;
  --line: #E1EDF0;
  --dark: #0C3840;
  --success: #17A88B;
  --warning: #E4572E;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow: 0 14px 40px rgba(11, 72, 80, 0.08);
  --shadow-hover: 0 18px 48px rgba(11, 72, 80, 0.14);
  --shadow-mobile: 0 10px 24px rgba(11, 72, 80, 0.06);
  --gradient: linear-gradient(135deg, #0E6F68 0%, #0FB5AE 60%, #2F8BBF 100%);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
ul, ol {
  list-style: none;
}
h1, h2, h3, h4 {
  color: var(--text-head);
  line-height: 1.3;
  font-weight: 800;
}
.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}
.read-row {
  width: min(860px, 100%);
  margin-inline: auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 24px rgba(11, 72, 80, 0.05);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--gradient);
  color: #fff;
  font-weight: 900;
  font-size: 16px;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(14, 111, 104, 0.22);
}
.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-head);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.brand-name small {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-sub);
  margin-top: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  transition: color 0.25s ease, background 0.25s ease;
}
.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--brand);
  background: rgba(14, 111, 104, 0.08);
  outline: none;
}
.nav-links a.active {
  color: var(--brand);
  background: rgba(14, 111, 104, 0.1);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-md);
  padding: 12px 24px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 24px rgba(14, 111, 104, 0.18);
  min-height: 48px;
}
.btn-primary:hover,
.btn-primary:focus-visible {
  filter: brightness(1.06);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(14, 111, 104, 0.24);
  outline: none;
}
.btn-outline {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--text-main);
  border-radius: var(--radius-pill);
  min-height: 48px;
}
.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--brand);
  background: rgba(14, 111, 104, 0.05);
  color: var(--brand);
  outline: none;
}
.btn-orange {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-pill);
  min-height: 44px;
  padding: 10px 24px;
  box-shadow: 0 8px 18px rgba(249, 112, 61, 0.2);
}
.btn-orange:hover,
.btn-orange:focus-visible {
  background: #E4572E;
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(228, 87, 46, 0.24);
  outline: none;
}
.btn-white {
  background: #fff;
  color: var(--dark);
  border-radius: var(--radius-pill);
  min-height: 52px;
  padding: 14px 34px;
  font-weight: 800;
}
.btn-white:hover,
.btn-white:focus-visible {
  background: rgba(255, 255, 255, 0.88);
  transform: translateY(-2px);
  outline: none;
}
.btn-ghost-light {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: var(--radius-pill);
  min-height: 52px;
  padding: 14px 32px;
  font-weight: 700;
}
.btn-ghost-light:hover,
.btn-ghost-light:focus-visible {
  background: rgba(255, 255, 255, 0.18);
  border-color: #fff;
  outline: none;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 4px;
  background: var(--text-head);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.mobile-nav {
  display: none;
  padding: 0 4vw 24px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.mobile-nav.is-open {
  display: block;
}
.mobile-nav a {
  display: block;
  padding: 15px 14px;
  font-weight: 700;
  color: var(--text-main);
  border-radius: 14px;
}
.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--brand);
  background: rgba(14, 111, 104, 0.08);
}
.mobile-nav .mobile-login {
  margin-top: 16px;
}
.mobile-nav .btn {
  width: 100%;
}
.article-banner {
  position: relative;
  background:
    linear-gradient(135deg, rgba(12, 56, 64, 0.97) 0%, rgba(14, 111, 104, 0.9) 44%, rgba(47, 139, 191, 0.84) 100%),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  padding: 54px 0 74px;
  color: #fff;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.88);
  transition: color 0.2s ease;
}
.breadcrumb a:hover {
  color: #fff;
}
.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.38);
}
.breadcrumb .current {
  color: rgba(255, 255, 255, 0.9);
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-heading {
  margin-top: 32px;
  max-width: 860px;
}
.article-heading h1 {
  color: #fff;
  font-size: 36px;
  line-height: 1.3;
  letter-spacing: 0.01em;
  text-wrap: balance;
}
.article-summary {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 760px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.content-section {
  position: relative;
  padding: 34px 0 0;
}
.article-card {
  max-width: 860px;
  margin-inline: auto;
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(225, 237, 240, 0.8);
}
.prose {
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.9;
}
.prose p {
  margin-bottom: 22px;
}
.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  margin: 38px 0 18px;
  line-height: 1.35;
}
.prose h1 {
  font-size: 30px;
}
.prose h2 {
  font-size: 24px;
  padding-top: 8px;
}
.prose h3 {
  font-size: 20px;
  padding-left: 0px;
}
.prose h4 {
  font-size: 17px;
}
.prose a {
  color: var(--brand);
  border-bottom: 1px solid rgba(14, 111, 104, 0.32);
  transition: border-color 0.2s ease;
}
.prose a:hover {
  border-color: var(--brand);
}
.prose ul,
.prose ol {
  margin: 0 0 24px;
  padding-left: 24px;
}
.prose ul li {
  list-style: disc;
  margin-bottom: 8px;
  padding-left: 4px;
}
.prose ol li {
  list-style: decimal;
  margin-bottom: 8px;
  padding-left: 4px;
}
.prose img {
  border-radius: 16px;
  margin: 28px 0;
  box-shadow: var(--shadow);
}
.prose blockquote {
  background: #EDF7F7;
  border-left: 3px solid var(--brand);
  border-radius: 0 14px 14px 0;
  padding: 18px 22px;
  margin: 0 0 24px;
  color: var(--text-muted, #46636B);
  font-size: 15px;
}
.prose blockquote p {
  margin: 0;
}
.prose code {
  background: #EAF3F4;
  border-radius: 6px;
  padding: 3px 8px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.92em;
  color: #0C6475;
}
.prose pre {
  background: #0E292E;
  color: #EAF8F8;
  padding: 22px 24px;
  border-radius: 16px;
  overflow-x: auto;
  margin: 28px 0;
  line-height: 1.7;
}
.prose pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}
.prose hr {
  border: 0;
  height: 1px;
  background: var(--line);
  margin: 36px 0;
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 42px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.tag-chip {
  display: inline-block;
  padding: 8px 18px;
  background: #ECF8F8;
  color: var(--brand);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  border: 1px solid rgba(14, 111, 104, 0.14);
  transition: background 0.25s ease, color 0.25s ease;
}
.tag-chip:hover,
.tag-chip:focus-visible {
  background: var(--brand);
  color: #fff;
  outline: none;
}
.direct-section {
  padding: 36px 0 0;
}
.direct-grid {
  max-width: 860px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.direct-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.direct-card:hover,
.direct-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(14, 111, 104, 0.4);
  outline: none;
}
.direct-label {
  font-size: 12px;
  font-weight: 800;
  color: var(--brand);
  letter-spacing: 0.08em;
}
.direct-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.6;
}
.related-section {
  padding: 72px 0 28px;
}
.section-head {
  margin-bottom: 32px;
}
.section-head h2 {
  font-size: 30px;
  color: var(--text-head);
  margin-bottom: 10px;
}
.section-head p {
  color: var(--text-sub);
  font-size: 15px;
  max-width: 640px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.rel-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(225, 237, 240, 0.6);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
  display: flex;
  flex-direction: column;
}
.rel-card:hover,
.rel-card:focus-visible {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  outline: none;
}
.rel-card .rel-img {
  aspect-ratio: 16 / 10;
  background: #E4F2F2;
  overflow: hidden;
}
.rel-card .rel-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.rel-card:hover .rel-img img {
  transform: scale(1.04);
}
.rel-body {
  padding: 22px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.rel-tag {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 800;
  color: var(--brand);
  background: #EAF7F7;
  border-radius: var(--radius-pill);
  padding: 4px 12px;
}
.rel-body h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 8px;
}
.rel-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  flex: 1;
}
.rel-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 22px;
  color: var(--text-sub);
  font-size: 13px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.rel-link {
  font-weight: 800;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.cta-section {
  padding: 70px 0 90px;
}
.cta-box {
  background:
    radial-gradient(circle at 82% 20%, rgba(47, 139, 191, 0.3), transparent 34%),
    radial-gradient(circle at 10% 80%, rgba(15, 181, 174, 0.24), transparent 28%),
    linear-gradient(135deg, #0C3840 0%, #0E6F68 100%);
  border-radius: 28px;
  padding: 60px 56px;
  color: #fff;
  overflow: hidden;
  position: relative;
  text-align: center;
}
.cta-eyebrow {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.92);
}
.cta-box h2 {
  color: #fff;
  font-size: 34px;
  letter-spacing: 0.01em;
}
.cta-box p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 620px;
  margin: 12px auto 28px;
  font-size: 15px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.site-footer {
  background: var(--dark);
  color: #B8CDD2;
  padding-top: 60px;
  font-size: 14px;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1.1fr;
  gap: 44px;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-brand .brand-name {
  color: #fff;
}
.footer-brand .brand-name small {
  color: rgba(255, 255, 255, 0.58);
}
.footer-brand p {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 380px;
  line-height: 1.8;
  font-size: 14px;
}
.footer-title {
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 18px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.72);
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-links a:hover,
.footer-links a:focus-visible {
  color: #fff;
  padding-left: 4px;
  outline: none;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.62);
}
.footer-contact strong {
  color: rgba(255, 255, 255, 0.92);
  font-weight: 700;
}
.footer-meta {
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-meta-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.48);
  font-size: 13px;
}
.footer-note {
  padding: 22px 0 30px;
}
.footer-note p {
  color: rgba(255, 255, 255, 0.36);
  font-size: 13px;
  line-height: 1.7;
  max-width: 960px;
}
.notfound-section {
  min-height: 480px;
  display: flex;
  align-items: center;
  padding: 80px 0;
}
.notfound-card {
  max-width: 560px;
  margin: 0 auto;
  background: #fff;
  border-radius: 28px;
  padding: 48px 40px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.notfound-card .code {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--brand);
  text-transform: uppercase;
}
.notfound-card h1 {
  font-size: 28px;
  margin: 14px 0 10px;
  color: var(--text-main);
}
.notfound-card p {
  color: var(--text-sub);
  margin-bottom: 26px;
}
@media (max-width: 1200px) {
  .container {
    width: min(1100px, 94%);
  }
}
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .header-actions .nav-login {
    display: none;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
  .article-card {
    padding: 40px 40px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .header-inner {
    min-height: 64px;
  }
  .container {
    width: min(100%, 94%);
  }
  .article-banner {
    padding: 40px 0 52px;
  }
  .article-heading h1 {
    font-size: 28px;
  }
  .article-summary {
    font-size: 15px;
  }
  .article-card {
    padding: 28px 24px;
    border-radius: 18px;
  }
  .direct-section {
    padding-top: 22px;
  }
  .direct-grid {
    grid-template-columns: 1fr;
  }
  .related-section {
    padding: 50px 0 16px;
  }
  .related-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .cta-box {
    padding: 44px 24px;
    border-radius: 24px;
  }
  .cta-box h2 {
    font-size: 26px;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-meta-inner {
    flex-direction: column;
    gap: 6px;
  }
  .notfound-card {
    padding: 36px 24px;
  }
}
@media (max-width: 520px) {
  .brand-name {
    font-size: 19px;
  }
  .brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    font-size: 14px;
  }
  .mobile-nav {
    padding-bottom: 20px;
  }
  .article-heading h1 {
    font-size: 25px;
  }
  .meta-item {
    padding: 6px 10px;
  }
  .article-card {
    padding: 22px 18px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .cta-actions {
    flex-direction: column;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .btn-white,
  .btn-ghost-light {
    width: 100%;
  }
}

/* roulang page: category2 */
:root {
  --primary: #0E6F68;
  --primary-dark: #0C3840;
  --primary-deep: #09302E;
  --grad-brand: linear-gradient(135deg, #0E6F68 0%, #0FB5AE 60%, #2F8BBF 100%);
  --accent: #F9703D;
  --accent-hover: #E15A28;
  --gold: #F2B544;
  --page-bg: #F3FAFA;
  --card-bg: #FFFFFF;
  --title-color: #123A40;
  --text-color: #233F4A;
  --text-weak: #627C85;
  --line-color: #E1EDF0;
  --dark-block: #0C3840;
  --success: #17A88B;
  --warning: #E4572E;
  --ice-deep: #E7F1F3;
  --radius-lg: 20px;
  --radius-md: 12px;
  --shadow-card: 0 14px 40px rgba(11, 72, 80, 0.08);
  --shadow-card-hover: 0 18px 48px rgba(11, 72, 80, 0.14);
  --transition: all 0.28s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text-color);
  background: var(--page-bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
body.menu-open {
  overflow: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  list-style: none;
}
button {
  font-family: inherit;
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
}
input, textarea, select {
  font-family: inherit;
}
:focus-visible {
  outline: 3px solid rgba(14, 111, 104, 0.28);
  outline-offset: 2px;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ===== Header / Navigation ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(225, 237, 240, 0.9);
  backdrop-filter: none;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--grad-brand);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -0.5px;
  box-shadow: 0 8px 20px rgba(14, 111, 104, 0.24);
}
.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--title-color);
  line-height: 1.15;
  display: flex;
  flex-direction: column;
  letter-spacing: 0.2px;
  font-variant-numeric: tabular-nums;
}
.brand-name small {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-weak);
  letter-spacing: 0.6px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 6px 18px;
  font-size: 15px;
  color: var(--text-color);
  border-radius: 999px;
  transition: var(--transition);
  font-weight: 500;
}
.nav-links a:hover {
  color: var(--primary);
  background: rgba(14, 111, 104, 0.06);
}
.nav-links a.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(14, 111, 104, 0.08);
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 42px;
  height: 3px;
  border-radius: 999px;
  background: var(--grad-brand);
}
.nav-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 14px;
  min-height: 40px;
  padding: 0 22px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 8px 20px rgba(249, 112, 61, 0.22);
  transition: var(--transition);
}
.nav-login:hover {
  background: var(--accent-hover);
  box-shadow: 0 10px 24px rgba(249, 112, 61, 0.25);
}
.nav-login-mobile {
  display: none;
}
.nav-toggle {
  display: none;
  position: relative;
  z-index: 10;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line-color);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: #fff;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--title-color);
  transition: var(--transition);
}
.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero Section ===== */
.reward-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #dff4f3 0%, #edf9f8 46%, #c9e7ef 100%);
  border-bottom: 1px solid var(--line-color);
}
.reward-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-1.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.24;
  mix-blend-mode: screen;
}
.reward-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -140px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 139, 191, 0.18) 0%, rgba(47, 139, 191, 0) 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 380px;
  align-items: center;
  gap: 48px;
  min-height: 560px;
  padding-top: 72px;
  padding-bottom: 72px;
}
.hero-copy {
  max-width: 700px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(14, 111, 104, 0.18);
  color: var(--primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  margin-bottom: 22px;
}
.hero-copy h1 {
  font-size: 46px;
  line-height: 1.22;
  color: var(--title-color);
  font-weight: 800;
  letter-spacing: -0.4px;
}
.hero-copy h1 .brand-line {
  display: block;
  margin-top: 12px;
  font-size: 22px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--primary);
  background: linear-gradient(90deg, #0E6F68, #2F8BBF);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-copy .hero-lead {
  margin-top: 24px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-color);
  max-width: 620px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.btn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-bright {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 12px 26px rgba(14, 111, 104, 0.28);
}
.btn-bright:hover {
  filter: brightness(1.06);
  box-shadow: 0 14px 30px rgba(14, 111, 104, 0.35);
  transform: translateY(-1px);
}
.btn-outline {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line-color);
  color: var(--text-color);
}
.btn-outline:hover {
  background: #fff;
  border-color: rgba(14, 111, 104, 0.35);
  color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(11, 72, 80, 0.08);
}
.btn-orange {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(249, 112, 61, 0.25);
}
.btn-orange:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(249, 112, 61, 0.3);
}
.hero-panel {
  background: rgba(255, 255, 255, 0.92);
  border-radius: 22px;
  border: 1px solid rgba(225, 237, 240, 0.95);
  box-shadow: 0 22px 60px rgba(11, 72, 80, 0.13);
  padding: 26px;
}
.panel-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--title-color);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}
.panel-title i {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: var(--grad-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  font-style: normal;
  font-weight: 700;
}
.panel-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.stat-box {
  background: linear-gradient(160deg, #edf9f8, #f4fbfc);
  border: 1px solid #d7ecef;
  border-radius: 14px;
  text-align: center;
  padding: 14px 6px 12px;
  transition: var(--transition);
}
.stat-box b {
  display: block;
  color: var(--primary);
  font-size: 24px;
  line-height: 1.2;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.stat-box span {
  display: block;
  margin-top: 5px;
  color: var(--text-weak);
  font-size: 12px;
  line-height: 1.3;
}
.panel-list {
  margin-top: 20px;
  border-top: 1px solid var(--line-color);
  padding-top: 18px;
  display: grid;
  gap: 10px;
}
.panel-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-color);
  font-size: 13.5px;
}
.panel-list li::before {
  content: "";
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(14, 111, 104, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%230E6F68' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  flex-shrink: 0;
}

/* ===== Rule stripe ===== */
.rule-strip-wrap {
  background: #fff;
  border-bottom: 1px solid var(--line-color);
}
.rule-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 20px 0;
}
.rule-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-weak);
  font-size: 13.5px;
  background: #f4fafb;
  border: 1px solid var(--line-color);
  padding: 12px 16px;
  border-radius: 14px;
}
.rule-item .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(14, 111, 104, 0.1);
}

/* ===== Section common ===== */
.section {
  padding: 84px 0;
}
.section-alt {
  background: #fff;
  padding: 86px 0;
  border-top: 1px solid var(--line-color);
  border-bottom: 1px solid var(--line-color);
}
.section-ice {
  background: var(--page-bg);
  padding: 86px 0;
}
.section-head {
  margin-bottom: 42px;
}
.section-head .eyebrow {
  display: inline-block;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.2px;
  background: rgba(14, 111, 104, 0.08);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 34px;
  line-height: 1.28;
  color: var(--title-color);
  font-weight: 800;
  letter-spacing: -0.3px;
}
.section-head p {
  margin-top: 14px;
  color: var(--text-weak);
  max-width: 720px;
  line-height: 1.8;
}
.section-head .head-note {
  color: var(--text-weak);
  max-width: 780px;
}

/* ===== Features / Reward guide ===== */
.feature-grid {
  display: grid;
  grid-template-columns: 0.6fr 1.4fr;
  gap: 24px;
}
.feature-main {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  padding: 30px;
  background: var(--grad-brand);
  color: #fff;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}
.feature-main::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}
.feature-main .feature-pic {
  position: absolute;
  right: 0;
  top: 0;
  width: 54%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  mix-blend-mode: overlay;
}
.feature-main .label-chip {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.feature-main h3 {
  margin-top: 26px;
  font-size: 27px;
  font-weight: 800;
  line-height: 1.35;
  color: #fff;
  max-width: 480px;
}
.feature-main p {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 15px;
  line-height: 1.8;
  max-width: 480px;
}
.feature-points {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}
.feature-points li {
  display: flex;
  align-items: center;
  gap: 9px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.11);
  padding: 9px 14px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.95);
  font-size: 13.5px;
}
.feature-points li svg {
  flex-shrink: 0;
}
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 26px;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
}
.feature-link span {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.6);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}
.feature-list-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.fcard {
  border: 1px solid var(--line-color);
  border-radius: 18px;
  padding: 26px;
  background: var(--card-bg);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
}
.fcard:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}
.fcard .cover {
  overflow: hidden;
  border-radius: 14px;
  margin-bottom: 18px;
  aspect-ratio: 16 / 7;
}
.fcard .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.fcard:hover .cover img {
  transform: scale(1.04);
}
.fcard .tag {
  display: inline-block;
  height: 24px;
  line-height: 24px;
  padding: 0 10px;
  background: rgba(47, 139, 191, 0.1);
  color: #236b90;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.fcard h3 {
  font-size: 18px;
  line-height: 1.4;
  margin-top: 14px;
  color: var(--title-color);
  font-weight: 700;
}
.fcard p {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--text-weak);
  line-height: 1.75;
}
.fcard .card-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  margin-top: 18px;
  transition: var(--transition);
}
.fcard .card-more i {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.fcard .card-more:hover i {
  background: var(--primary);
  color: #fff;
}

/* ===== Types / grid cards ===== */
.reward-types {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.type-card {
  grid-column: span 4;
  background: var(--card-bg);
  border: 1px solid var(--line-color);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  box-shadow: 0 8px 24px rgba(11, 72, 80, 0.04);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}
.type-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
  border-color: rgba(14, 111, 104, 0.2);
}
.type-card.is-wide {
  grid-column: span 6;
}
.type-card .type-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.type-card .type-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(145deg, #d8f2f0, #e9f9f7);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 800;
  font-size: 22px;
  font-variant-numeric: tabular-nums;
}
.type-card .type-badge {
  background: linear-gradient(135deg, #0E6F68, #2F8BBF);
  color: #fff;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.type-card h3 {
  font-size: 20px;
  line-height: 1.5;
  color: var(--title-color);
  font-weight: 700;
  margin-top: 18px;
}
.type-card p {
  margin-top: 10px;
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.8;
  flex: 1;
}
.type-card .user-line {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--line-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-weak);
  font-size: 12.5px;
}
.type-card .single-num {
  display: inline-flex;
  width: 40px;
  height: 40px;
  background: rgba(14, 111, 104, 0.08);
  border-radius: 12px;
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  align-items: center;
  justify-content: center;
}
.gold-border {
  border-top: 3px solid var(--gold);
}

/* ===== Empty State ===== */
.blank-state {
  border: 2px dashed #B9D5D9;
  background: #F6FAFA;
  border-radius: 18px;
  padding: 46px 30px;
  text-align: center;
  color: var(--text-weak);
}
.blank-state strong {
  display: block;
  font-size: 16px;
  color: var(--text-color);
  margin-bottom: 6px;
}
.blank-state i {
  display: inline-flex;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(14, 111, 104, 0.08);
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-size: 22px;
  margin-bottom: 14px;
  color: var(--primary);
}

/* ===== Scene / applicable people ===== */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scene-card {
  background: var(--card-bg);
  border: 1px solid var(--line-color);
  border-radius: 18px;
  padding: 30px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.scene-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--grad-brand);
  border-radius: 0 999px 999px 0;
  opacity: 0;
  transition: var(--transition);
}
.scene-card:hover::before {
  opacity: 1;
}
.scene-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}
.scene-card .scene-name {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 14px;
  background: #edf6f6;
  color: var(--primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}
.scene-card h3 {
  margin-top: 20px;
  font-size: 20px;
  font-weight: 700;
  color: var(--title-color);
  line-height: 1.5;
}
.scene-card p {
  margin-top: 12px;
  color: var(--text-weak);
  font-size: 14.5px;
  line-height: 1.8;
}

/* ===== Steps ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: my-step;
}
.step-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--line-color);
  border-radius: 18px;
  padding: 28px 22px 24px;
  transition: var(--transition);
}
.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.step-card::before {
  content: counter(my-step);
  counter-increment: my-step;
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  background: var(--grad-brand);
  border-radius: 10px;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
}
.step-card h3 {
  margin-top: 18px;
  font-size: 17px;
  font-weight: 700;
  color: var(--title-color);
}
.step-card p {
  margin-top: 10px;
  color: var(--text-weak);
  font-size: 13.5px;
  line-height: 1.75;
}

/* ===== Confirm list ===== */
.confirm-block {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  background: #fff;
  border-radius: 24px;
  border: 1px solid var(--line-color);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.confirm-text {
  padding: 38px 34px;
}
.confirm-text h2 {
  font-size: 27px;
  line-height: 1.5;
  color: var(--title-color);
}
.confirm-text p {
  color: var(--text-weak);
  margin-top: 12px;
  line-height: 1.85;
}
.confirm-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.confirm-list li {
  display: flex;
  gap: 12px;
  background: #f7fbfc;
  border: 1px solid var(--line-color);
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.6;
}
.confirm-list li i {
  display: inline-flex;
  width: 24px;
  height: 24px;
  align-items: center;
  justify-content: center;
  background: var(--grad-brand);
  color: #fff;
  border-radius: 50%;
  font-style: normal;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}
.confirm-img {
  min-height: 280px;
  background: linear-gradient(135deg, rgba(14,111,104,0.08), rgba(47,139,191,0.1)), url("/assets/images/backpic/back-3.webp") center/cover;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--line-color);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.active {
  border-color: rgba(14, 111, 104, 0.35);
  box-shadow: 0 8px 24px rgba(11, 72, 80, 0.06);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 22px 24px;
  min-height: 66px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--title-color);
  transition: var(--transition);
  letter-spacing: 0.1px;
}
.faq-q::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: #EAF4F5;
  border-radius: 50%;
  color: var(--primary);
  font-size: 20px;
  font-weight: 400;
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-q {
  color: var(--primary);
}
.faq-item.active .faq-q::after {
  content: "−";
  background: var(--primary);
  color: #fff;
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.38s ease;
}
.faq-a-inner {
  padding: 0 24px 22px;
  color: var(--text-weak);
  font-size: 14.5px;
  line-height: 1.85;
}

/* ===== CTA block ===== */
.cta-panel {
  background: var(--dark-block);
  border-radius: 28px;
  padding: 60px 64px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  position: relative;
  overflow: hidden;
}
.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  opacity: 0.14;
}
.cta-panel .cta-copy {
  position: relative;
  max-width: 600px;
}
.cta-panel h2 {
  font-size: 30px;
  line-height: 1.4;
  color: #fff;
  font-weight: 800;
}
.cta-panel p {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,0.78);
}
.cta-actions {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cta-panel .btn-pill {
  min-width: 190px;
}
.btn-white-solid {
  background: #ffffff;
  color: var(--primary-dark);
}
.btn-white-solid:hover {
  background: #e8f7f4;
  color: var(--primary);
  transform: translateY(-1px);
}
.btn-transparent {
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  background: transparent;
}
.btn-transparent:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  transform: translateY(-1px);
}

/* ===== Footer ===== */
.site-footer {
  margin-top: 80px;
  background: var(--dark-block);
  color: rgba(255, 255, 255, 0.72);
}
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding: 56px 0 40px;
}
.footer-brand .brand {
  color: #fff;
}
.footer-brand .brand-mark {
  background: #ffffff;
  color: var(--primary);
}
.footer-brand .brand-name {
  color: #fff;
}
.footer-brand .brand-name small {
  color: rgba(255,255,255,0.58);
}
.footer-brand > p {
  margin-top: 20px;
  color: rgba(255,255,255,0.66);
  line-height: 1.85;
  font-size: 14px;
  max-width: 360px;
}
.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
}
.footer-links {
  display: grid;
  gap: 10px;
}
.footer-links a {
  display: inline-block;
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  transition: var(--transition);
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-contact {
  line-height: 2;
  font-size: 14px;
}
.footer-contact strong {
  color: rgba(255,255,255,0.92);
}
.footer-meta {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 18px 0;
}
.footer-meta-inner {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: rgba(255,255,255,0.6);
  font-size: 13px;
}
.footer-meta a {
  color: rgba(255,255,255,0.75);
}
.footer-note {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px 0 30px;
}
.footer-note p {
  font-size: 12.5px;
  line-height: 1.9;
  color: rgba(255,255,255,0.48);
  max-width: 860px;
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
  .hero-inner {
    grid-template-columns: 1fr 320px;
    gap: 28px;
    min-height: auto;
  }
  .section, .section-alt, .section-ice {
    padding: 74px 0;
  }
}
@media (max-width: 1024px) {
  .header-inner {
    gap: 16px;
  }
  .nav-links a {
    padding: 6px 12px;
  }
  .hero-copy h1 {
    font-size: 40px;
  }
  .hero-copy h1 .brand-line {
    font-size: 20px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .type-card {
    grid-column: span 6;
  }
  .type-card.is-wide {
    grid-column: span 6;
  }
  .scene-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .cta-panel {
    flex-direction: column;
    text-align: center;
    padding: 46px 36px;
  }
  .cta-actions {
    flex-direction: row;
    justify-content: center;
  }
  .confirm-block {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .site-header {
    background: #fff;
  }
  .header-inner {
    min-height: 64px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-links {
    position: fixed;
    z-index: 9;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(86vw, 340px);
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 92px 28px 36px;
    gap: 10px;
    box-shadow: -18px 0 40px rgba(11, 72, 80, 0.12);
    transform: translateX(102%);
    transition: transform 0.36s cubic-bezier(.4,0,.2,1);
    overflow-y: auto;
    border-left: 1px solid var(--line-color);
  }
  .nav-links.is-open {
    transform: translateX(0);
  }
  .nav-links a {
    justify-content: flex-start;
    min-height: 46px;
    padding: 8px 14px;
    font-size: 16px;
    border-radius: 12px;
  }
  .nav-links a.active::after {
    left: 14px;
    transform: none;
    bottom: 8px;
    width: 24px;
    height: 3px;
  }
  .nav-login {
    display: none;
  }
  .nav-login-mobile {
    display: flex;
    margin-top: 8px;
    background: var(--accent);
    color: #fff !important;
    height: 46px;
    justify-content: center;
    align-items: center;
    border-radius: 12px;
    font-weight: 700;
  }
  .rule-strip {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .section, .section-alt, .section-ice {
    padding: 56px 0;
  }
  .section-head h2 {
    font-size: 27px;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    padding: 46px 0 56px;
  }
  .hero-copy h1 {
    font-size: 34px;
  }
  .hero-panel {
    max-width: 420px;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 44px 0 28px;
  }
  .footer-meta-inner {
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.6;
  }
  .cta-panel {
    border-radius: 22px;
  }
}
@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .section, .section-alt, .section-ice {
    padding: 48px 0;
  }
  .section-head {
    margin-bottom: 28px;
  }
  .hero-copy h1 {
    font-size: 30px;
  }
  .hero-copy h1 .brand-line {
    font-size: 18px;
  }
  .hero-copy .hero-lead {
    font-size: 15px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn-pill {
    width: 100%;
  }
  .panel-stats {
    gap: 8px;
  }
  .stat-box {
    padding: 12px 4px 10px;
  }
  .stat-box b {
    font-size: 20px;
  }
  .feature-grid {
    gap: 16px;
  }
  .feature-main {
    padding: 24px 20px;
  }
  .feature-main h3 {
    font-size: 22px;
  }
  .feature-main .feature-pic {
    width: 100%;
    height: 100%;
  }
  .reward-types {
    gap: 16px;
  }
  .type-card,
  .type-card.is-wide {
    grid-column: span 12;
  }
  .type-card {
    padding: 22px 18px;
  }
  .fcard {
    padding: 20px 16px;
  }
  .scene-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .step-card {
    padding: 22px 18px;
  }
  .cta-panel {
    padding: 36px 24px;
    flex-direction: column;
    text-align: left;
  }
  .cta-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  .cta-actions .btn-pill {
    width: 100%;
  }
  .footer-main {
    padding-top: 38px;
  }
  .footer-contact {
    font-size: 13.5px;
  }
}

/* roulang page: category3 */
:root{
  --brand:#0E6F68;
  --brand-mid:#0FB5AE;
  --brand-blue:#2F8BBF;
  --accent:#F9703D;
  --accent-deep:#E4572E;
  --gold:#F2B544;
  --page-bg:#F3FAFA;
  --card-bg:#FFFFFF;
  --title:#123A40;
  --text:#233F4A;
  --muted:#627C85;
  --line:#E1EDF0;
  --deep:#0C3840;
  --success:#17A88B;
  --warning:#E4572E;
  --grad:linear-gradient(135deg,#0E6F68 0%,#0FB5AE 60%,#2F8BBF 100%);
  --shadow-card:0 14px 40px rgba(11,72,80,0.08);
  --shadow-hover:0 18px 48px rgba(11,72,80,0.14);
  --radius-lg:20px;
  --radius-md:12px;
  --radius-sm:10px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--page-bg);
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,blockquote,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button{font-family:inherit;cursor:pointer;border:none;background:none;padding:0;color:inherit}
summary{list-style:none}
summary::-webkit-details-marker{display:none}
.container{max-width:var(--container);margin:0 auto;padding:0 28px}
.section{padding:84px 0}
.brand-mail:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-mid);
  outline-offset:3px;
  border-radius:6px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--brand);
  background:rgba(14,111,104,.08);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--grad);border-radius:2px}
.section-head{
  max-width:760px;
  margin-bottom:42px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.left{margin-left:0}
.section-head h2{
  font-size:28px;
  line-height:1.35;
  font-weight:750;
  color:var(--title);
  letter-spacing:-0.01em;
}
.section-head p{
  color:var(--muted);
  font-size:16px;
  margin-top:14px;
}
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
}
.header-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:70px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:46px;
  height:46px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--grad);
  color:#fff;
  font-weight:850;
  font-size:15px;
  letter-spacing:.02em;
  border-radius:14px;
  box-shadow:0 8px 18px rgba(14,111,104,.22);
}
.brand-name{
  display:flex;
  flex-direction:column;
  line-height:1.18;
  color:var(--title);
  font-weight:800;
  font-size:18px;
  white-space:nowrap;
}
.brand-name small{
  font-size:11px;
  font-weight:500;
  letter-spacing:.08em;
  color:var(--muted);
  margin-top:3px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:30px;
  font-weight:600;
  font-size:15px;
  color:#2C4A52;
}
.nav-links a{
  display:inline-flex;
  align-items:center;
  min-height:48px;
  padding:0 2px;
  position:relative;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:12px;
  width:100%;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand)}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--radius-md);
  font-size:14px;
  font-weight:700;
  gap:8px;
  line-height:1;
  transition:background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.btn-lg{
  min-height:52px;
  padding:0 30px;
  font-size:15px;
  border-radius:999px;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(14,111,104,.24);
}
.btn-primary:hover{
  filter:brightness(1.05);
  box-shadow:0 14px 30px rgba(14,111,104,.32);
  transform:translateY(-1px);
}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 10px 22px rgba(249,112,61,.25);
}
.btn-accent:hover{
  background:#E85F2D;
  box-shadow:0 14px 28px rgba(232,95,45,.3);
  transform:translateY(-1px);
}
.btn-ghost{
  background:rgba(255,255,255,.14);
  color:#fff;
  border:1px solid rgba(255,255,255,.55);
  backdrop-filter:blur(4px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.25);
  border-color:#fff;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--title);
  position:relative;
  border-radius:2px;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:100%;
  height:2px;
  background:var(--title);
  border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-menu{
  display:none;
  background:#fff;
  border-top:1px solid var(--line);
  padding:12px 20px 28px;
}
.mobile-menu.open{display:block}
.mobile-nav{
  display:flex;
  flex-direction:column;
  margin-top:8px;
}
.mobile-nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  border-bottom:1px solid var(--line);
  font-size:16px;
  font-weight:600;
  color:var(--title);
  transition:color .2s ease,padding-left .2s ease;
}
.mobile-nav a.active{color:var(--brand)}
.mobile-nav a:hover{padding-left:6px;color:var(--brand)}
.mobile-entry{
  margin-top:18px;
  width:100%;
}
.category-hero{
  position:relative;
  overflow:hidden;
  padding:76px 0 86px;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
}
.category-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(6,53,57,.94) 0%,rgba(9,78,82,.88) 48%,rgba(14,111,104,.72) 100%);
}
.category-hero::after{
  content:"";
  position:absolute;
  right:-80px;
  bottom:-160px;
  width:440px;
  height:440px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 0 0 28px rgba(255,255,255,.05),0 0 0 62px rgba(255,255,255,.03);
}
.category-hero .container{position:relative;z-index:2}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.7);
  margin-bottom:30px;
}
.crumb a{color:rgba(255,255,255,.9)}
.crumb a:hover{color:#fff}
.hero-caption{
  max-width:760px;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  color:#BFF1EC;
  border:1px solid rgba(191,241,236,.45);
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
}
.hero-caption h1{
  font-size:44px;
  line-height:1.2;
  font-weight:820;
  color:#fff;
  margin:22px 0 18px;
  letter-spacing:-.01em;
}
.hero-lead{
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
  max-width:640px;
  margin-bottom:28px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
}
.hero-actions .btn-primary{
  box-shadow:0 14px 30px rgba(3,30,33,.26);
}
.hero-ruler{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:38px;
}
.ruler-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.28);
  padding:7px 14px;
  border-radius:999px;
  font-size:13px;
  color:rgba(255,255,255,.9);
}
.ruler-chip b{
  color:#fff;
  font-weight:750;
}
.support-section{
  background:var(--page-bg);
}
.support-grid{
  display:grid;
  grid-template-columns:1.04fr .96fr;
  gap:28px;
  align-items:start;
}
.panel-card{
  background:var(--card-bg);
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  padding:30px;
}
.panel-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:18px;
  border-bottom:1px solid var(--line);
  padding-bottom:20px;
  margin-bottom:24px;
}
.panel-head h3{
  font-size:21px;
  font-weight:760;
  color:var(--title);
}
.panel-head p{
  margin-top:7px;
  color:var(--muted);
  font-size:14px;
}
.panel-badge{
  display:inline-flex;
  align-items:center;
  background:rgba(14,111,104,.08);
  color:var(--brand);
  border:1px solid rgba(14,111,104,.12);
  font-size:12px;
  font-weight:700;
  padding:6px 12px;
  border-radius:999px;
  white-space:nowrap;
}
.flow-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.flow-item{
  background:#F7FDFC;
  border:1px solid #E2EFF0;
  border-radius:16px;
  padding:20px;
  min-height:182px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.flow-item:hover{
  box-shadow:0 12px 26px rgba(11,72,80,.1);
  transform:translateY(-2px);
}
.flow-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;
  height:30px;
  background:var(--grad);
  color:#fff;
  font-size:13px;
  font-weight:800;
  border-radius:10px;
  margin-bottom:14px;
}
.flow-item h4{
  color:var(--title);
  font-size:15px;
  font-weight:750;
  margin-bottom:8px;
}
.flow-item p{
  color:var(--muted);
  font-size:14px;
  line-height:1.65;
}
.faq-panel{
  background:var(--card-bg);
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  padding:26px 24px 14px;
}
.faq-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
  margin-bottom:16px;
}
.faq-head h3{
  font-size:21px;
  font-weight:760;
  color:var(--title);
}
.faq-item{
  border:1px solid var(--line);
  border-left:3px solid var(--brand-mid);
  border-radius:14px;
  background:#fff;
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .2s ease;
}
.faq-item:hover{
  box-shadow:0 8px 24px rgba(11,72,80,.08);
}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:15px 16px;
  min-height:52px;
  cursor:pointer;
  font-size:15px;
  font-weight:680;
  color:var(--text);
  line-height:1.5;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  position:relative;
  flex:0 0 22px;
  width:22px;
  height:22px;
  border:1px solid #C7DDE0;
  border-radius:50%;
  transition:transform .2s ease,border-color .2s ease;
}
.faq-icon::before{
  content:"";
  position:absolute;
  top:9px;
  left:5px;
  right:5px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
}
.faq-icon::after{
  content:"";
  position:absolute;
  top:5px;
  left:9px;
  bottom:5px;
  width:2px;
  background:var(--brand);
  border-radius:2px;
}
.faq-item[open] .faq-icon{
  transform:rotate(135deg);
  border-color:var(--brand-mid);
}
.faq-answer{
  padding:2px 16px 17px 18px;
}
.faq-answer p{
  color:var(--muted);
  font-size:14px;
  line-height:1.75;
  border-top:1px dashed #E2EFF0;
  padding-top:14px;
}
.faq-answer strong{color:var(--title)}
.guide-section{
  background:#fff;
  border-top:1px solid #EAF3F4;
  border-bottom:1px solid #EAF3F4;
}
.guide-shell{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:54px;
  align-items:center;
  background:linear-gradient(135deg,rgba(14,111,104,.05),rgba(15,181,174,.04));
  border:1px solid #DEEDEF;
  border-radius:28px;
  padding:34px;
  overflow:hidden;
}
.guide-copy h2{
  font-size:28px;
  line-height:1.35;
  color:var(--title);
  margin-bottom:16px;
}
.guide-copy > p{
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
  margin-bottom:24px;
}
.guide-list{
  display:grid;
  gap:14px;
}
.guide-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:#fff;
  border:1px solid #E4EFF0;
  border-radius:16px;
  padding:17px 18px;
  box-shadow:0 6px 18px rgba(11,72,80,.04);
}
.guide-num{
  color:var(--brand);
  font-weight:800;
  font-size:13px;
  min-width:18px;
}
.guide-item strong{
  display:block;
  color:var(--title);
  font-size:15px;
  font-weight:730;
  margin-bottom:4px;
}
.guide-item p{
  color:var(--muted);
  font-size:14px;
  line-height:1.7;
}
.guide-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 16px 36px rgba(11,72,80,.16);
}
.guide-media img{
  width:100%;
  height:100%;
  min-height:340px;
  object-fit:cover;
}
.media-tag{
  position:absolute;
  left:14px;
  bottom:14px;
  display:inline-flex;
  align-items:center;
  background:rgba(255,255,255,.92);
  color:var(--title);
  font-weight:750;
  font-size:13px;
  padding:8px 14px;
  border-radius:999px;
  box-shadow:0 6px 18px rgba(11,72,80,.16);
}
.media-tag::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--brand-mid);
  margin-right:8px;
}
.tips-section{
  background:var(--page-bg);
}
.tips-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.tip-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:0 8px 26px rgba(11,72,80,.05);
  transition:box-shadow .25s ease,transform .25s ease;
}
.tip-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.tip-icon{
  display:flex;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,rgba(14,111,104,.12),rgba(15,181,174,.14));
  border-radius:12px;
  margin-bottom:18px;
  position:relative;
}
.tip-icon::before{
  content:"";
  width:10px;
  height:10px;
  background:var(--grad);
  border-radius:3px;
}
.tip-card h3{
  font-size:17px;
  color:var(--title);
  margin-bottom:9px;
  font-weight:750;
}
.tip-card p{
  color:var(--muted);
  font-size:14px;
  line-height:1.75;
}
.cta-section{
  padding:40px 0 92px;
}
.service-panel{
  background:var(--deep);
  color:rgba(255,255,255,.86);
  border-radius:28px;
  padding:52px 52px 44px;
  position:relative;
  overflow:hidden;
}
.service-panel::before{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:220px;
  height:220px;
  border-radius:50%;
  background:rgba(15,181,174,.12);
}
.service-panel::after{
  content:"";
  position:absolute;
  right:40px;
  bottom:-100px;
  width:180px;
  height:180px;
  border-radius:50%;
  background:rgba(249,112,61,.08);
}
.service-panel .container-inner{
  position:relative;
  z-index:2;
}
.service-panel .eyebrow{
  background:rgba(255,255,255,.12);
  color:#CDF3EF;
}
.service-panel h2{
  color:#fff;
  font-size:30px;
  margin-bottom:12px;
}
.service-panel .lead{
  max-width:680px;
  color:rgba(255,255,255,.72);
  font-size:15px;
  margin-bottom:30px;
}
.service-links{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  max-width:780px;
}
.service-link{
  display:flex;
  gap:16px;
  align-items:center;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:18px;
  padding:18px 20px;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.service-link:hover{
  background:rgba(255,255,255,.14);
  border-color:rgba(255,255,255,.38);
  transform:translateY(-2px);
}
.service-link__icon{
  display:flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  flex-shrink:0;
  border-radius:13px;
  background:var(--grad);
  color:#fff;
  font-weight:800;
  font-size:17px;
}
.service-link__icon.orange{
  background:linear-gradient(135deg,#F9703D,#F2A33C);
}
.service-link strong{
  display:block;
  color:#fff;
  font-size:15px;
  font-weight:750;
  margin-bottom:4px;
}
.service-link small{
  color:rgba(255,255,255,.66);
  font-size:13px;
  line-height:1.5;
}
.access-note{
  background:#FCEEE8;
  border:1px solid #F8D9CC;
  border-radius:16px;
  padding:16px 20px;
  color:#8D422E;
  font-size:14px;
  margin-top:34px;
  display:flex;
  gap:12px;
  align-items:flex-start;
  max-width:780px;
}
.access-note::before{
  content:"!";
  width:22px;
  height:22px;
  border-radius:50%;
  background:var(--warning);
  color:#fff;
  flex-shrink:0;
  font-weight:800;
  font-size:13px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:2px;
}
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,.74);
  padding:60px 0 24px;
}
.footer-main{
  display:grid;
  grid-template-columns:1.9fr 1fr 1.2fr;
  gap:42px;
  padding-bottom:34px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand .brand-name{
  color:#fff;
}
.footer-brand .brand-name small{
  color:rgba(255,255,255,.6);
}
.footer-brand .brand-mark{
  box-shadow:none;
}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  max-width:360px;
  color:rgba(255,255,255,.64);
}
.footer-title{
  color:#fff;
  font-size:16px;
  font-weight:730;
  margin-bottom:14px;
}
.footer-links li + li{
  margin-top:8px;
}
.footer-links a,.footer-contact{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.72);
  transition:color .2s ease;
}
.footer-links a:hover{
  color:#fff;
}
.footer-contact strong{
  color:rgba(255,255,255,.9);
  font-weight:650;
}
.footer-meta{
  padding-top:22px;
}
.footer-meta-inner{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  color:rgba(255,255,255,.6);
  font-size:13px;
}
.footer-note{
  margin-top:18px;
}
.footer-note p{
  font-size:13px;
  line-height:1.8;
  color:rgba(255,255,255,.48);
}
@media(max-width:1024px){
  .section{padding:68px 0}
  .nav-links{gap:20px}
  .support-grid,.guide-shell{
    grid-template-columns:1fr;
  }
  .guide-shell{gap:34px}
  .tips-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .footer-main{
    grid-template-columns:1fr 1fr;
  }
}
@media(max-width:768px){
  .section{padding:52px 0}
  .container{padding:0 20px}
  .header-bar{min-height:64px}
  .nav-links{display:none}
  .header-actions .header-login-btn{display:none}
  .nav-toggle{
    display:inline-flex;
  }
  .category-hero{
    padding:52px 0 64px;
  }
  .hero-caption h1{
    font-size:34px;
  }
  .hero-lead{
    font-size:15px;
  }
  .panel-card{
    padding:20px;
  }
  .support-grid{
    gap:22px;
  }
  .flow-list{
    grid-template-columns:1fr 1fr;
    gap:12px;
  }
  .service-panel{
    padding:34px 24px 28px;
    border-radius:22px;
  }
  .service-links{
    grid-template-columns:1fr;
  }
  .footer-main{
    grid-template-columns:1fr;
    gap:26px;
  }
  .frame-highlight{
    padding:26px 20px;
  }
}
@media(max-width:520px){
  .brand-name{
    font-size:16px;
  }
  .brand-name small{
    font-size:10px;
  }
  .brand-mark{
    width:40px;
    height:40px;
    border-radius:12px;
    font-size:13px;
  }
  .hero-caption h1{
    font-size:29px;
  }
  .hero-actions{
    flex-direction:column;
    align-items:stretch;
  }
  .hero-actions .btn{
    width:100%;
  }
  .flow-list,.tips-grid{
    grid-template-columns:1fr;
  }
  .flow-item{
    min-height:0;
  }
  .guide-shell{
    padding:20px;
    border-radius:20px;
  }
  .guide-media img{
    min-height:240px;
  }
  .faq-panel{
    padding:20px 14px 8px;
  }
  .faq-q{
    font-size:14px;
    padding:14px 12px;
  }
  .section-head h2{
    font-size:24px;
  }
  .service-panel h2{
    font-size:24px;
  }
  .footer-meta-inner{
    flex-direction:column;
  }
}

/* roulang page: category4 */
:root {
      --brand: #0E6F68;
      --brand-light: #0FB5AE;
      --brand-blue: #2F8BBF;
      --brand-gradient: linear-gradient(135deg, #0E6F68 0%, #0FB5AE 60%, #2F8BBF 100%);
      --accent: #F9703D;
      --accent-dark: #d95a28;
      --gold: #F2B544;
      --bg: #F3FAFA;
      --surface: #FFFFFF;
      --ink: #123A40;
      --text: #233F4A;
      --muted: #627C85;
      --line: #E1EDF0;
      --deep: #0C3840;
      --success: #17A88B;
      --warning: #E4572E;
      --radius-xl: 20px;
      --radius-lg: 16px;
      --radius-md: 12px;
      --shadow-card: 0 14px 40px rgba(11, 72, 80, 0.08);
      --shadow-card-hover: 0 18px 48px rgba(11, 72, 80, 0.14);
      --transition: all 0.25s ease;
      --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    }

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

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

    body {
      font-family: var(--font-family);
      font-size: 15px;
      line-height: 1.75;
      color: var(--text);
      background-color: var(--bg);
      -webkit-font-smoothing: antialiased;
    }

    body.nav-open {
      overflow: hidden;
    }

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

    a {
      color: var(--brand);
      text-decoration: none;
      transition: var(--transition);
    }

    a:hover {
      color: var(--brand-light);
    }

    button,
    input,
    textarea,
    select {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      margin: 0;
      color: var(--ink);
      line-height: 1.3;
      font-weight: 700;
    }

    p {
      margin: 0;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: 72px;
      background: rgba(255, 255, 255, 0.95);
      border-bottom: 1px solid rgba(225, 237, 240, 0.9);
    }

    .header-inner {
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: flex-start;
      gap: 36px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      color: var(--ink);
    }

    .brand:hover {
      color: var(--ink);
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: var(--brand-gradient);
      color: #fff;
      font-weight: 800;
      font-size: 18px;
      letter-spacing: -0.3px;
      box-shadow: 0 8px 20px rgba(14, 111, 104, 0.22);
    }

    .brand-name {
      font-size: 20px;
      font-weight: 700;
      letter-spacing: 0.2px;
      color: var(--ink);
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex: 1;
      min-width: 0;
    }

    .nav-links a {
      color: var(--text);
      font-size: 15px;
      font-weight: 500;
      padding: 8px 13px;
      border-radius: 10px;
      position: relative;
      white-space: nowrap;
      line-height: 1.4;
      transition: var(--transition);
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 13px;
      right: 13px;
      bottom: 1px;
      height: 3px;
      border-radius: 99px;
      background: var(--brand-light);
      opacity: 0;
      transform: scaleX(0.4);
      transition: var(--transition);
    }

    .nav-links a:hover,
    .nav-links a:focus-visible {
      background: rgba(14, 111, 104, 0.06);
      color: var(--brand);
    }

    .nav-links a:hover::after,
    .nav-links a:focus-visible::after,
    .nav-links a.active::after {
      opacity: 1;
      transform: scaleX(1);
    }

    .nav-links a.active {
      color: var(--brand);
      font-weight: 600;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: var(--radius-md);
      font-size: 14px;
      font-weight: 600;
      line-height: 1;
      padding: 0;
      text-align: center;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-login {
      height: 42px;
      padding: 0 22px;
      background: var(--accent);
      color: #fff;
      border-color: var(--accent);
      border-radius: 999px;
      box-shadow: 0 8px 20px rgba(249, 112, 61, 0.22);
    }

    .btn-login:hover {
      background: var(--accent-dark);
      border-color: var(--accent-dark);
      color: #fff;
      transform: translateY(-1px);
    }

    .btn-login:focus-visible {
      outline: 3px solid rgba(249, 112, 61, 0.3);
      outline-offset: 2px;
    }

    .btn-primary {
      min-height: 48px;
      padding: 0 28px;
      background: var(--brand-gradient);
      color: #fff;
      border-radius: 999px;
      box-shadow: 0 10px 24px rgba(14, 111, 104, 0.22);
    }

    .btn-primary:hover {
      color: #fff;
      filter: brightness(1.06);
      transform: translateY(-1px);
    }

    .btn-outline {
      min-height: 48px;
      padding: 0 26px;
      background: transparent;
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.7);
      border-radius: 999px;
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.14);
      color: #fff;
      border-color: #fff;
    }

    .btn-white {
      min-height: 48px;
      padding: 0 30px;
      background: #fff;
      color: var(--deep);
      border-radius: 999px;
      box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
    }

    .btn-white:hover {
      background: var(--brand-light);
      color: #fff;
      transform: translateY(-1px);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: rgba(14, 111, 104, 0.06);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }

    .menu-toggle span {
      width: 18px;
      height: 2px;
      background: var(--brand);
      border-radius: 3px;
      transition: var(--transition);
    }

    .menu-toggle:focus-visible {
      outline: 3px solid rgba(14, 111, 104, 0.25);
      outline-offset: 2px;
    }

    .page-hero {
      position: relative;
      background:
        linear-gradient(120deg, rgba(8, 52, 56, 0.94) 0%, rgba(14, 111, 104, 0.82) 52%, rgba(18, 141, 143, 0.72) 100%),
        url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
      color: #fff;
      padding: 68px 0 76px;
      overflow: hidden;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      right: -180px;
      bottom: -200px;
      width: 520px;
      height: 520px;
      border-radius: 50%;
      background: radial-gradient(circle at center, rgba(242, 181, 68, 0.25), transparent 66%);
      pointer-events: none;
    }

    .page-hero .container {
      position: relative;
      z-index: 2;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 10px;
      color: rgba(255, 255, 255, 0.76);
      font-size: 13px;
      margin-bottom: 22px;
    }

    .breadcrumb a {
      color: rgba(255, 255, 255, 0.9);
    }

    .breadcrumb a:hover {
      color: #fff;
    }

    .breadcrumb i {
      font-style: normal;
      opacity: 0.55;
    }

    .page-hero h1 {
      color: #fff;
      font-size: 42px;
      font-weight: 800;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
    }

    .page-hero .hero-lead {
      max-width: 780px;
      color: rgba(255, 255, 255, 0.88);
      font-size: 17px;
      line-height: 1.8;
      margin-bottom: 28px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .hero-tags span {
      display: inline-flex;
      align-items: center;
      height: 32px;
      padding: 0 16px;
      background: rgba(255, 255, 255, 0.16);
      border: 1px solid rgba(255, 255, 255, 0.22);
      border-radius: 999px;
      font-size: 13px;
      color: #fff;
      font-weight: 500;
    }

    .notice-guide {
      padding: 88px 0 72px;
      border-top: 0;
    }

    .guide-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 44px;
      align-items: center;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      padding: 5px 14px;
      background: rgba(14, 111, 104, 0.08);
      color: var(--brand);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .section-title {
      font-size: 32px;
      line-height: 1.3;
      color: var(--ink);
      margin-bottom: 14px;
      letter-spacing: 0.2px;
    }

    .section-desc {
      font-size: 15px;
      line-height: 1.8;
      color: var(--muted);
      margin-bottom: 24px;
    }

    .guide-points {
      list-style: none;
      padding: 0;
      margin: 0 0 28px;
      display: grid;
      gap: 14px;
    }

    .guide-points li {
      position: relative;
      padding-left: 32px;
      color: var(--text);
      font-size: 15px;
      line-height: 1.7;
    }

    .guide-points li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 6px;
      width: 18px;
      height: 18px;
      border-radius: 6px;
      background: rgba(14, 111, 104, 0.1);
    }

    .guide-points li::after {
      content: "";
      position: absolute;
      left: 7px;
      top: 13px;
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background: var(--brand-light);
    }

    .guide-visual {
      position: relative;
      border-radius: 24px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .guide-visual img {
      width: 100%;
      height: 320px;
      object-fit: cover;
    }

    .visual-badge {
      position: absolute;
      right: 20px;
      top: 20px;
      height: 32px;
      padding: 0 14px;
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      background: var(--accent);
      color: #fff;
      font-size: 13px;
      font-weight: 600;
      box-shadow: 0 10px 20px rgba(249, 112, 61, 0.28);
    }

    .announcements-section {
      padding: 24px 0 88px;
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 42px;
    }

    .section-head .section-kicker {
      background: rgba(15, 181, 174, 0.1);
      color: var(--brand);
    }

    .section-head h2 {
      font-size: 32px;
      color: var(--ink);
      margin-bottom: 10px;
    }

    .section-head p {
      color: var(--muted);
      font-size: 15px;
    }

    .timeline {
      position: relative;
      max-width: 940px;
      margin: 0 auto;
      padding-left: 22px;
    }

    .timeline::before {
      content: "";
      position: absolute;
      left: 68px;
      top: 12px;
      bottom: 12px;
      width: 2px;
      background: linear-gradient(180deg, rgba(14, 111, 104, 0.28), rgba(47, 139, 191, 0.2));
    }

    .timeline-item {
      position: relative;
      display: grid;
      grid-template-columns: 92px 1fr;
      gap: 26px;
      margin-bottom: 26px;
    }

    .timeline-date {
      text-align: right;
      padding-top: 24px;
    }

    .timeline-date strong {
      display: block;
      font-size: 15px;
      color: var(--brand);
      font-variant-numeric: tabular-nums;
      letter-spacing: 0.4px;
    }

    .timeline-date span {
      display: block;
      font-size: 13px;
      color: var(--muted);
      margin-top: 2px;
    }

    .timeline-card {
      position: relative;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      padding: 26px 28px;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
    }

    .timeline-card::before {
      content: "";
      position: absolute;
      left: -24px;
      top: 34px;
      width: 13px;
      height: 13px;
      border-radius: 50%;
      background: var(--surface);
      border: 3px solid var(--brand-light);
      box-shadow: 0 0 0 5px rgba(14, 111, 104, 0.12);
    }

    .timeline-card:hover {
      border-color: rgba(14, 111, 104, 0.24);
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-2px);
    }

    .card-meta {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 10px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      height: 26px;
      padding: 0 11px;
      border-radius: 999px;
      background: rgba(14, 111, 104, 0.08);
      color: var(--brand);
      font-size: 12px;
      font-weight: 600;
    }

    .tag.success {
      background: rgba(23, 168, 139, 0.12);
      color: #0b8a70;
    }

    .tag.process {
      background: rgba(242, 181, 68, 0.16);
      color: #b57d0b;
    }

    .tag.danger {
      background: rgba(228, 87, 46, 0.1);
      color: var(--warning);
    }

    .card-meta .tag + .tag {
      margin-left: 0;
    }

    .timeline-card h3 {
      font-size: 19px;
      line-height: 1.45;
      color: var(--ink);
      margin-bottom: 10px;
    }

    .timeline-card p {
      font-size: 14px;
      line-height: 1.75;
      color: var(--muted);
      margin-bottom: 18px;
      max-width: 720px;
    }

    .card-footer {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      margin-top: -4px;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--brand);
      font-size: 14px;
      font-weight: 600;
      transition: var(--transition);
    }

    .card-link:hover {
      color: var(--brand-light);
    }

    .card-link svg {
      width: 15px;
      height: 15px;
      transition: transform 0.2s ease;
    }

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

    .notice-highlight {
      background: linear-gradient(135deg, rgba(14, 111, 104, 0.07), rgba(15, 181, 174, 0.1));
      border: 1px solid rgba(14, 111, 104, 0.14);
      border-radius: 24px;
      max-width: 940px;
      margin: 30px auto 0;
      padding: 26px 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }

    .notice-highlight strong {
      font-size: 16px;
      color: var(--ink);
    }

    .notice-highlight p {
      font-size: 14px;
      color: var(--muted);
      margin-top: 6px;
    }

    .faq-section {
      padding: 72px 0;
      background: #fff;
    }

    .faq-section .section-head {
      margin-bottom: 36px;
    }

    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: grid;
      gap: 14px;
    }

    .faq-item {
      border: 1px solid var(--line);
      background: var(--bg);
      border-radius: var(--radius-lg);
      transition: var(--transition);
      overflow: hidden;
    }

    .faq-item[open] {
      background: var(--surface);
      box-shadow: var(--shadow-card);
    }

    .faq-item summary {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      cursor: pointer;
      padding: 20px 24px;
      font-size: 15px;
      color: var(--ink);
      font-weight: 600;
      border-left: 4px solid var(--brand-light);
      border-radius: calc(var(--radius-lg) - 1px);
      transition: var(--transition);
    }

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

    .faq-item summary:hover {
      color: var(--brand);
    }

    .faq-item .faq-toggle {
      width: 28px;
      height: 28px;
      flex-shrink: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: rgba(14, 111, 104, 0.09);
    }

    .faq-item .faq-toggle svg {
      width: 15px;
      height: 15px;
      transition: transform 0.2s ease;
    }

    .faq-item[open] .faq-toggle svg {
      transform: rotate(45deg);
    }

    .faq-item[open] summary {
      color: var(--brand);
    }

    .faq-answer {
      padding: 0 26px 22px 28px;
      font-size: 14px;
      line-height: 1.8;
      color: var(--muted);
    }

    .cta-section {
      background: var(--deep);
      padding: 76px 0;
      position: relative;
      overflow: hidden;
    }

    .cta-section::after {
      content: "";
      position: absolute;
      right: 0;
      top: 0;
      width: 560px;
      height: 560px;
      background: radial-gradient(circle at 90% 10%, rgba(15, 181, 174, 0.3), transparent 62%);
      pointer-events: none;
    }

    .cta-box {
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 36px;
      flex-wrap: wrap;
    }

    .cta-box h2 {
      color: #fff;
      font-size: 28px;
      line-height: 1.4;
      margin-bottom: 10px;
    }

    .cta-box p {
      color: rgba(255, 255, 255, 0.75);
      line-height: 1.8;
      font-size: 15px;
      max-width: 620px;
    }

    .cta-box .btn-primary {
      box-shadow: 0 10px 28px rgba(14, 111, 104, 0.32);
    }

    .site-footer {
      background: var(--deep);
      color: #d4e4e8;
      padding: 60px 0 32px;
      font-size: 14px;
    }

    .footer-main {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.9fr;
      gap: 40px;
      padding-bottom: 36px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }

    .footer-main .brand {
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-main .brand-name {
      color: #fff;
    }

    .footer-main .brand-name small {
      display: block;
      font-size: 12px;
      color: rgba(255, 255, 255, 0.7);
      font-weight: 400;
      margin-top: 2px;
    }

    .footer-brand p {
      color: rgba(255, 255, 255, 0.72);
      line-height: 1.8;
      font-size: 14px;
      max-width: 360px;
    }

    .footer-title {
      color: #fff;
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, 0.72);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--brand-light);
    }

    .footer-contact {
      display: grid;
      gap: 10px;
      color: rgba(255, 255, 255, 0.72);
      font-size: 14px;
    }

    .footer-contact strong {
      color: rgba(255, 255, 255, 0.92);
      font-weight: 600;
    }

    .footer-meta {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding: 22px 0 8px;
      flex-wrap: wrap;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.55);
    }

    .footer-meta-inner {
      display: flex;
      justify-content: space-between;
      width: 100%;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-note {
      margin-top: 8px;
      padding-top: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      color: rgba(255, 255, 255, 0.45);
      font-size: 12px;
      line-height: 1.8;
    }

    .footer-note p {
      margin: 0;
    }

    @media (max-width: 1024px) {
      .guide-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }

      .guide-visual {
        max-width: 640px;
      }

      .timeline-card h3 {
        font-size: 17px;
      }

      .footer-main {
        grid-template-columns: 1fr 1fr;
      }

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 800px) {
      .header-inner {
        gap: 14px;
      }

      .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        padding: 18px 24px 28px;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        box-shadow: 0 18px 36px rgba(11, 72, 80, 0.12);
        border-bottom: 1px solid var(--line);
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        z-index: 99;
      }

      body.nav-open .nav-links {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
      }

      .nav-links a {
        display: block;
        padding: 13px 16px;
        border-radius: 12px;
      }

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

      .nav-links a.active,
      .nav-links a:hover {
        background: rgba(14, 111, 104, 0.07);
      }

      .menu-toggle {
        display: inline-flex;
      }

      .header-actions .btn-login {
        height: 40px;
        padding: 0 18px;
        font-size: 13px;
      }

      .page-hero {
        padding: 56px 0 64px;
      }

      .page-hero h1 {
        font-size: 34px;
      }

      .section-title {
        font-size: 25px;
      }

      .section-head h2 {
        font-size: 26px;
      }

      .timeline {
        padding-left: 0;
      }

      .timeline::before {
        display: none;
      }

      .timeline-item {
        grid-template-columns: 1fr;
        gap: 0;
      }

      .timeline-date {
        text-align: left;
        padding-top: 0;
        margin-bottom: 8px;
      }

      .timeline-date strong,
      .timeline-date span {
        display: inline-block;
        margin-right: 8px;
      }

      .timeline-card::before {
        display: none;
      }

      .footer-main {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .site-header,
      .header-inner {
        height: 64px;
      }

      .brand-name {
        font-size: 18px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        font-size: 16px;
      }

      .nav-links {
        top: 64px;
      }

      .header-actions .btn-login {
        width: 42px;
        padding: 0;
        font-size: 0;
        border-radius: 12px;
      }

      .header-actions .btn-login::after {
        content: "登录";
        font-size: 13px;
        color: #fff;
      }

      .page-hero {
        padding: 44px 0 52px;
        min-height: auto;
      }

      .page-hero h1 {
        font-size: 29px;
      }

      .page-hero .hero-lead {
        font-size: 15px;
      }

      .hero-tags {
        gap: 8px;
      }

      .notice-guide {
        padding: 58px 0 48px;
      }

      .guide-visual img {
        height: 230px;
      }

      .announcements-section {
        padding: 20px 0 64px;
      }

      .timeline-card {
        padding: 20px;
        border-radius: 16px;
      }

      .section-head {
        margin-bottom: 28px;
      }

      .section-head h2,
      .section-title {
        font-size: 24px;
      }

      .cta-section {
        padding: 54px 0;
      }

      .cta-box h2 {
        font-size: 22px;
      }

      .faq-section {
        padding: 54px 0;
      }

      .faq-item summary {
        padding: 17px 18px;
        font-size: 14px;
      }

      .faq-answer {
        padding-left: 22px;
        padding-right: 18px;
      }

      .site-footer {
        padding-top: 44px;
      }
    }