/* roulang page: index */
:root {
  --deep: #17141E;
  --surface: #201B2A;
  --surface-2: #2A2336;
  --surface-3: #332B40;
  --cream: #F5EFE6;
  --cream-2: #FBF6EF;
  --cream-card: #FFFDF8;
  --red: #FF4D68;
  --red-deep: #E63C55;
  --gold: #F4B740;
  --teal: #36D1B4;
  --text-light: #F7F2FA;
  --text-soft: #BFB4C9;
  --text-dim: #9D92AA;
  --text-dark: #211D2A;
  --text-dark-soft: #6F6779;
  --line-dark: rgba(255,255,255,.08);
  --line-light: rgba(0,0,0,.07);
  --shadow-card: 0 12px 34px rgba(30,15,10,.14);
  --shadow-btn: 0 2px 0 rgba(0,0,0,.24);
  --radius-xl: 24px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", sans-serif;
  --section-space: 108px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-main);
  background: var(--deep);
  color: var(--text-light);
  line-height: 1.7;
  font-size: 16px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
body.nav-open {
  overflow: hidden;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font-family: inherit;
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(255,77,104,.5);
  outline-offset: 3px;
  border-radius: 8px;
}
.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}
.section {
  padding: var(--section-space) 0;
}
.section-soft {
  background: var(--cream);
  color: var(--text-dark);
}
.section-deep {
  background: linear-gradient(180deg, #17141E 0%, #1D1825 50%, #17141E 100%);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255,255,255,.14);
  color: var(--text-light);
  background: rgba(255,255,255,.04);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(255,77,104,.18);
}
.eyebrow-dark {
  color: var(--red-deep);
  border-color: rgba(230,60,85,.2);
  background: rgba(255,77,104,.06);
}
.section-head {
  max-width: 760px;
  margin-bottom: 56px;
}
.section-head.center {
  margin-inline: auto;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-top: 15px;
}
.section-head .lead {
  margin-top: 16px;
  font-size: 16px;
  color: var(--text-dim);
}
.section-soft .section-head .lead {
  color: var(--text-dark-soft);
}
.highlight {
  color: var(--red);
}
.hi-gold {
  color: var(--gold);
}

/* 顶部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(23,20,30,.82);
  border-bottom: 1px solid var(--line-dark);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.header-inner {
  display: flex;
  align-items: center;
  min-height: 76px;
  gap: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--red), #FF8A4D);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  box-shadow: var(--shadow-btn);
}
.brand-name {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -.02em;
  color: var(--text-light);
  line-height: 1.2;
}
.brand-desc {
  font-size: 11px;
  color: var(--text-dim);
  display: block;
  margin-top: 1px;
  font-weight: 500;
}
.brand-footer .brand-name {
  color: #fff;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 26px;
}
.nav-chip {
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  border: 1px solid rgba(255,255,255,.16);
  background: transparent;
  transition: all .25s ease;
  white-space: nowrap;
}
.nav-chip:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.3);
  transform: translateY(-1px);
}
.nav-chip.active {
  background: var(--red);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.header-cta {
  margin-left: auto;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  transition: all .22s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  background: var(--red-deep);
  transform: translateY(-2px);
}
.btn-primary:active {
  transform: translateY(1px);
}
.btn-sm {
  height: 38px;
  padding: 0 17px;
  font-size: 14px;
}
.btn-lg {
  height: 52px;
  padding: 0 30px;
  font-size: 16px;
}
.btn-gold {
  background: var(--gold);
  color: #1d1720;
}
.btn-gold:hover {
  background: #FFC958;
  transform: translateY(-2px);
}
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 18px 0 6px;
  font-weight: 700;
  color: var(--text-light);
  font-size: 15px;
  border-radius: var(--radius-pill);
}
.btn-text span {
  border-bottom: 1px solid rgba(255,255,255,.3);
  transition: border-color .2s;
}
.btn-text:hover span {
  border-color: #fff;
}
.btn-arrow {
  transition: transform .25s ease;
}
.btn-text:hover .btn-arrow {
  transform: translateX(5px);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  position: relative;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px;
}
.nav-toggle span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: all .3s ease;
}
.nav-toggle span:nth-child(1) {
  top: 14px;
}
.nav-toggle span:nth-child(2) {
  top: 21px;
}
.nav-toggle span:nth-child(3) {
  top: 28px;
}
body.nav-open .nav-toggle span:nth-child(1) {
  top: 21px;
  transform: rotate(45deg);
}
body.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}
body.nav-open .nav-toggle span:nth-child(3) {
  top: 21px;
  transform: rotate(-45deg);
}

/* ===== Hero / 首屏 KV ===== */
.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 0 110px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(23,20,30,.92) 0%, rgba(23,20,30,.68) 42%, rgba(23,20,30,.35) 100%),
    url("/assets/images/backpic/back-1.png") center right / cover no-repeat;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 74% 38%, rgba(255,77,104,.22), transparent 28%),
    radial-gradient(circle at 10% 85%, rgba(244,183,64,.18), transparent 20%);
  opacity: .85;
}
.hero-glow {
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244,183,64,.2), transparent 70%);
  filter: blur(6px);
  right: -60px;
  bottom: -120px;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
}
.hero-copy {
  max-width: 820px;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-light);
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.14);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  letter-spacing: .04em;
  margin-bottom: 26px;
}
.hero-kicker i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 5px rgba(54,209,180,.13);
}
.hero h1 {
  font-size: clamp(38px, 5.9vw, 70px);
  line-height: 1.16;
  letter-spacing: -.035em;
  font-weight: 800;
  color: #fff;
}
.hero-gradient {
  background: linear-gradient(120deg, #FF5C79 0%, var(--gold) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  margin-top: 24px;
  font-size: 18px;
  line-height: 1.8;
  color: rgba(247,242,250,.82);
  max-width: 620px;
}
.hero-actions {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 42px;
}
.hero-badge {
  font-size: 13px;
  color: var(--text-light);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  padding: 6px 13px;
  border-radius: var(--radius-pill);
}
.hero-badge:first-child {
  border-color: rgba(244,183,64,.4);
  color: var(--gold);
}

/* ===== 玩法路线 ===== */
.play-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-card {
  position: relative;
  background: var(--cream-card);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-xl);
  padding: 28px 25px 26px;
  box-shadow: 0 2px 0 rgba(0,0,0,.04);
  transition: all .28s ease;
}
.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}
.step-num {
  position: absolute;
  right: 23px;
  top: 14px;
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  color: rgba(0,0,0,.05);
  letter-spacing: -.04em;
  pointer-events: none;
}
.step-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(255,77,104,.11), rgba(244,183,64,.1));
  border: 1px solid rgba(255,77,104,.13);
  border-radius: 16px;
  font-size: 26px;
  margin-bottom: 20px;
}
.step-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-dark);
}
.step-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dark-soft);
}
.step-card p strong {
  color: var(--red-deep);
}
.step-tip {
  display: inline-block;
  margin-top: 15px;
  font-size: 12px;
  font-weight: 700;
  color: var(--red-deep);
  background: rgba(255,77,104,.08);
  border-radius: var(--radius-pill);
  padding: 5px 11px;
}

/* ===== 奖池与奖励预览 ===== */
.reward-section {
  position: relative;
}
.reward-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.reward-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all .3s ease;
}
.reward-card:hover {
  transform: translateY(-6px);
  border-color: rgba(244,183,64,.4);
  box-shadow: var(--shadow-card);
}
.reward-card.hot-card {
  border-color: rgba(244,183,64,.42);
}
.reward-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #2A2336;
}
.reward-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.reward-card:hover .reward-media img {
  transform: scale(1.05);
}
.reward-flag {
  position: absolute;
  left: 16px;
  top: 16px;
  background: rgba(23,20,30,.82);
  border: 1px solid rgba(255,255,255,.2);
  color: var(--text-light);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(6px);
}
.reward-flag.special {
  background: rgba(244,183,64,.94);
  color: #251500;
  border-color: transparent;
}
.reward-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px 24px 26px;
}
.reward-body h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
  color: #fff;
}
.reward-body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
  flex: 1;
}
.reward-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 17px;
  border-top: 1px solid var(--line-dark);
}
.reward-tag {
  font-size: 13px;
  color: var(--gold);
}
.reward-value {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-light);
  background: rgba(255,255,255,.06);
  border-radius: var(--radius-pill);
  padding: 4px 11px;
}
.reward-note {
  margin-top: 38px;
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
  border-top: 1px solid var(--line-dark);
  padding-top: 18px;
}

/* ===== 任务观察 / 活动节奏 ===== */
.task-section {
  background: #211B2A;
}
.task-wrap {
  max-width: 900px;
  margin-inline: auto;
}
.task-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.task-row {
  display: grid;
  grid-template-columns: 58px 1fr auto;
  gap: 18px;
  align-items: center;
  background: #2A2336;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  transition: border-color .25s, transform .25s;
}
.task-row:hover {
  border-color: rgba(244,183,64,.3);
  transform: translateY(-2px);
}
.task-state {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 20px;
  font-weight: 800;
}
.task-state.done {
  color: var(--teal);
  background: rgba(54,209,180,.12);
  border: 1px solid rgba(54,209,180,.22);
}
.task-state.active {
  color: var(--gold);
  background: rgba(244,183,64,.12);
  border: 1px solid rgba(244,183,64,.24);
}
.task-state.lock {
  color: var(--text-dim);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
}
.task-state .tiny {
  font-size: 11px;
}
.task-row h3 {
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 5px;
}
.task-row p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.72;
}
.task-state-tag {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}
.tag-pill {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 5px 13px;
}
.tag-pill.gold {
  background: rgba(244,183,64,.14);
  color: var(--gold);
}
.tag-pill.green {
  background: rgba(54,209,180,.13);
  color: var(--teal);
}
.tag-pill.grey {
  background: rgba(255,255,255,.07);
  color: var(--text-dim);
}
.task-cta {
  margin-top: 28px;
  display: flex;
  justify-content: center;
}

/* ===== 资讯动态 / CMS ===== */
.news-section {
  background: var(--cream-2);
  color: var(--text-dark);
}
.news-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
}
.feature-card {
  display: block;
  background: var(--cream-card);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 4px 0 rgba(0,0,0,.02);
  transition: all .3s ease;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}
.feature-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #EDE6DC;
}
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.feature-card:hover .feature-media img {
  transform: scale(1.05);
}
.feature-media .badge {
  position: absolute;
  left: 16px;
  top: 16px;
}
.feature-body {
  padding: 22px 24px 25px;
}
.feature-body .post-title {
  font-size: 20px;
  line-height: 1.45;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 9px;
  transition: color .2s;
}
.feature-card:hover .post-title {
  color: var(--red-deep);
}
.feature-body .post-summary {
  font-size: 15px;
  color: var(--text-dark-soft);
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 17px;
  padding-top: 15px;
  border-top: 1px solid var(--line-light);
  font-size: 13px;
  color: var(--text-dark-soft);
}
.read-more {
  color: var(--red);
  font-weight: 700;
}
.read-more i {
  display: inline-block;
  margin-left: 4px;
  transition: transform .2s;
}
.feature-card:hover .read-more i {
  transform: translateX(5px);
}
.side-list {
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.side-post {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 14px;
  background: var(--cream-card);
  border: 1px solid var(--line-light);
  border-radius: 18px;
  padding: 10px 12px 10px 10px;
  align-items: center;
  transition: all .25s ease;
}
.side-post:hover {
  border-color: rgba(255,77,104,.2);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(40,27,18,.08);
}
.side-thumb {
  width: 116px;
  height: 82px;
  border-radius: 12px;
  overflow: hidden;
  background: #EDE6DC;
}
.side-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.side-body {
  min-width: 0;
}
.side-title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.55;
  margin-bottom: 5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.side-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dark-soft);
}
.side-meta .cat {
  color: var(--red);
  font-weight: 700;
}
.dot-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #C4BBC7;
  display: inline-block;
}
.news-empty {
  border: 2px dashed rgba(111,103,121,.25);
  border-radius: var(--radius-xl);
  padding: 44px 20px;
  font-size: 14px;
  text-align: center;
  color: var(--text-dark-soft);
  grid-column: 1 / -1;
  background: rgba(255,255,255,.4);
}

/* ===== FAQ ===== */
.faq-section {
  background: #1C1822;
}
.faq-wrap {
  max-width: 860px;
  margin-inline: auto;
}
.faq-item {
  background: #282130;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item.active {
  border-color: rgba(255,77,104,.28);
  background: #2C2435;
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 22px 22px 22px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-light);
  text-align: left;
  line-height: 1.5;
}
.faq-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.07);
  color: var(--gold);
  font-size: 19px;
  font-weight: 500;
  line-height: 1;
  transition: transform .25s;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--red);
  background: rgba(255,77,104,.12);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-content {
  padding: 0 26px 24px 24px;
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.8;
  border-top: 1px solid var(--line-dark);
  padding-top: 0;
  border-top: 0;
}
.faq-a p {
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.faq-item.active .faq-a {
  max-height: 380px;
}

/* ===== 底部 CTA ===== */
.cta-section {
  background: var(--cream);
  padding: 84px 0;
}
.cta-panel {
  position: relative;
  overflow: hidden;
  background: var(--cream-card);
  border: 1px solid rgba(0,0,0,.05);
  border-radius: 30px;
  padding: 54px 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  flex-wrap: wrap;
  box-shadow: 0 6px 0 rgba(0,0,0,.03);
}
.cta-panel::after {
  content: "";
  position: absolute;
  right: -55px;
  top: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244,183,64,.24), transparent 70%);
}
.cta-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}
.cta-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--red);
  margin-bottom: 15px;
}
.cta-content h2 {
  font-size: clamp(25px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.32;
  color: var(--text-dark);
  letter-spacing: -.02em;
}
.cta-content p {
  margin-top: 15px;
  color: var(--text-dark-soft);
  font-size: 16px;
  line-height: 1.8;
}
.cta-button {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #100D16;
  color: var(--text-dim);
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.5fr;
  gap: 46px;
  padding: 72px 0 46px;
}
.footer-brand .brand-name {
  color: #fff;
  font-size: 22px;
}
.footer-brand p {
  margin-top: 17px;
  color: var(--text-dim);
  line-height: 1.85;
  font-size: 14px;
  max-width: 340px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: .02em;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col a {
  color: var(--text-dim);
  transition: color .2s, padding-left .2s;
}
.footer-col a:hover {
  color: var(--gold);
  padding-left: 5px;
}
.footer-note {
  color: #8B8093;
  line-height: 1.8;
  font-size: 13px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: #8B8093;
}
.footer-bottom .brand {
  color: var(--gold);
  font-weight: 700;
}

/* ===== 响应式 ===== */
@media (max-width: 1100px) {
  .play-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .step-card::after {
    display: none;
  }
  .reward-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .side-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 38px;
  }
}
@media (max-width: 768px) {
  :root {
    --section-space: 76px;
  }
  .header-inner {
    min-height: 66px;
  }
  .nav-toggle {
    display: block;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 18px;
    right: 18px;
    flex-direction: column;
    align-items: stretch;
    gap: 9px;
    margin-left: 0;
    background: #1D1825;
    border: 1px solid var(--line-dark);
    border-radius: 20px;
    padding: 16px;
    box-shadow: var(--shadow-card);
    z-index: 20;
  }
  body.nav-open .main-nav {
    display: flex;
  }
  .nav-chip {
    text-align: center;
  }
  .header-cta {
    margin-left: auto;
  }
  .hero {
    min-height: auto;
    padding: 70px 0 90px;
  }
  .hero-bg {
    background:
      linear-gradient(180deg, rgba(23,20,30,.72) 0%, rgba(23,20,30,.92) 90%),
      url("/assets/images/backpic/back-1.png") center / cover;
  }
  .hero-sub {
    font-size: 16px;
  }
  .news-grid {
    gap: 18px;
  }
  .side-list {
    grid-template-columns: 1fr;
  }
  .cta-panel {
    padding: 38px 30px;
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-button .btn {
    width: 100%;
  }
  .task-row {
    grid-template-columns: 48px 1fr;
    gap: 14px;
    padding: 18px;
  }
  .task-state {
    width: 44px;
    height: 44px;
  }
  .task-state-tag {
    grid-column: 2;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
  }
}
@media (max-width: 520px) {
  .container {
    width: calc(100% - 32px);
  }
  .header-inner {
    gap: 8px;
  }
  .brand-desc {
    display: none;
  }
  .brand-name {
    font-size: 17px;
  }
  .brand-mark {
    width: 33px;
    height: 33px;
    font-size: 13px;
  }
  .header-cta {
    height: 36px;
    padding: 0 14px;
    font-size: 13px;
    border-radius: 12px;
    margin-left: auto;
  }
  .header-cta .btn {
    height: 34px;
    padding: 0 13px;
    font-size: 13px;
  }
  .nav-toggle {
    width: 38px;
    height: 38px;
  }
  .nav-toggle span:nth-child(1) {
    top: 11px;
  }
  .nav-toggle span:nth-child(2) {
    top: 18px;
  }
  .nav-toggle span:nth-child(3) {
    top: 25px;
  }
  body.nav-open .nav-toggle span:nth-child(1) {
    top: 18px;
  }
  body.nav-open .nav-toggle span:nth-child(3) {
    top: 18px;
  }
  .hero {
    padding: 46px 0 66px;
  }
  .hero h1 {
    font-size: 34px;
  }
  .hero-sub {
    font-size: 15px;
    margin-top: 17px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-actions a.btn-text {
    justify-content: center;
  }
  .play-grid,
  .reward-grid {
    grid-template-columns: 1fr;
  }
  .section-head h2 {
    font-size: 25px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-top: 52px;
  }
}

/* roulang page: article */
:root{
  --bg-night:#17141E;
  --surface-night:#201B2A;
  --cream-bg:#F5EFE6;
  --cream-card:#FFFBF4;
  --primary:#FF4D68;
  --primary-hover:#E63C55;
  --gold:#F4B740;
  --mint:#36D1B4;
  --text-dark:#1F1C27;
  --text-mild-dark:#6A6272;
  --text-night:#F7F2FA;
  --text-night-sub:#A99FB5;
  --line-night:rgba(255,255,255,.08);
  --line-cream:rgba(0,0,0,.08);
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 12px 34px rgba(30,15,10,.14);
  --shadow-btn:0 2px 0 rgba(0,0,0,.2);
  --font-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;line-height:1.5;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-stack);background:var(--bg-night);color:var(--text-night);font-size:16px}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
ul,ol{list-style:none;margin:0;padding:0}
p,h1,h2,h3,h4,h5{overflow-wrap:break-word}
.container{width:min(1220px,100% - 40px);margin:0 auto}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-weight:700;border-radius:999px;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-btn)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-primary:focus-visible{outline:3px solid rgba(255,77,104,.5);outline-offset:2px}
.btn-ghost{background:rgba(255,255,255,.08);color:var(--text-night);border:1px solid rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.15);transform:translateY(-1px)}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn-lg{min-height:54px;padding:0 32px;font-size:17px}
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(23,20,30,.85);border-bottom:1px solid var(--line-night);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:72px;padding-top:10px;padding-bottom:10px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;border-radius:14px}
.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--primary),var(--gold));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px;letter-spacing:-.5px;box-shadow:0 2px 12px rgba(255,77,104,.35)}
.brand-name{display:flex;flex-direction:column;color:var(--text-night);font-size:19px;font-weight:800;letter-spacing:.3px;line-height:1.1}
.brand-desc{font-size:11px;font-weight:500;color:var(--text-night-sub);letter-spacing:.4px;margin-top:4px}
.main-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center}
.nav-chip{position:relative;display:inline-flex;align-items:center;justify-content:center;padding:9px 18px;border-radius:999px;border:1px solid transparent;font-size:14px;font-weight:600;color:var(--text-night-sub);background:transparent;transition:.2s ease;min-height:40px}
.nav-chip:hover{color:#fff;border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06)}
.nav-chip.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 2px 0 rgba(0,0,0,.25)}
.nav-chip.active::after{content:"";position:absolute;left:50%;top:calc(100% + 6px);transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 3px rgba(244,183,64,.2)}
.nav-toggle{display:none;width:44px;height:44px;background:rgba(255,255,255,.06);border:1px solid var(--line-night);border-radius:12px;cursor:pointer;align-items:center;justify-content:center;gap:5px;flex-direction:column;transition:background .2s ease}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-night);border-radius:999px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.header-cta{flex-shrink:0}
@media(max-width:1024px){
 .main-nav{gap:6px}
 .nav-chip{padding:9px 14px;font-size:13px}
}
@media(max-width:860px){
 .nav-toggle{display:flex}
 .header-cta{display:none}
 .main-nav{position:fixed;top:82px;left:16px;right:16px;z-index:99;flex-wrap:nowrap;overflow-x:auto;gap:6px;background:var(--surface-night);border:1px solid var(--line-night);padding:10px;border-radius:18px;box-shadow:0 16px 34px rgba(0,0,0,.3);opacity:0;visibility:hidden;transform:translateY(-8px);transition:.25s ease;backdrop-filter:none}
 .main-nav.open{opacity:1;visibility:visible;transform:translateY(0)}
 .nav-chip{flex:0 0 auto;white-space:nowrap}
}
.article-hero{position:relative;padding:190px 0 104px;background-color:var(--bg-night);background-image:linear-gradient(100deg,rgba(23,20,30,.96) 0%,rgba(23,20,30,.84) 45%,rgba(23,20,30,.34) 100%),url("/assets/images/backpic/back-2.webp");background-position:center;background-size:cover;background-repeat:no-repeat;overflow:hidden}
.article-hero::after{content:"";position:absolute;right:-10%;bottom:-30%;width:500px;height:500px;background:radial-gradient(circle,rgba(255,77,104,.22),transparent 65%);pointer-events:none}
.article-hero-label{display:inline-flex;align-items:center;gap:10px;margin-bottom:22px;font-size:13px;font-weight:700;color:var(--gold);background:rgba(244,183,64,.1);border:1px solid rgba(244,183,64,.25);padding:6px 14px;border-radius:999px;letter-spacing:.5px}
.article-hero-label::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(244,183,64,.15)}
.article-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:20px;font-size:13px;color:var(--text-night-sub);position:relative;z-index:2}
.article-breadcrumb a{color:var(--text-night-sub);transition:color .2s ease;border-radius:4px}
.article-breadcrumb a:hover{color:#fff}
.article-breadcrumb .sep{opacity:.6;margin:0 3px}
.article-breadcrumb .current{color:var(--text-night)}
.article-title{font-size:clamp(34px,5vw,68px);font-weight:900;line-height:1.18;margin:0;max-width:900px;color:var(--text-night);position:relative;z-index:2;letter-spacing:-1px}
.article-lead{max-width:680px;font-size:16px;line-height:1.75;color:var(--text-night-sub);margin-top:22px;position:relative;z-index:2}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px;position:relative;z-index:2}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-night-sub)}
.article-meta .meta-item strong{color:var(--text-night);font-weight:600}
.tag{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.3px}
.tag-red{background:rgba(255,77,104,.14);color:#FF7D96;border:1px solid rgba(255,77,104,.28)}
.tag-gold{background:rgba(244,183,64,.12);color:var(--gold);border:1px solid rgba(244,183,64,.3)}
.article-content-block{background:var(--cream-bg);color:var(--text-dark);padding:96px 0}
.article-rail{max-width:780px;margin:0 auto}
.article-body{font-size:17px;line-height:1.9;color:var(--text-dark)}
.article-body h2,.article-body h3{color:var(--text-dark);font-weight:800;line-height:1.35;margin:2.2em 0 .8em;scroll-margin-top:100px}
.article-body h2{font-size:30px;padding-bottom:.45em;border-bottom:2px solid rgba(255,77,104,.16)}
.article-body h3{font-size:22px}
.article-body p{margin:1.3em 0}
.article-body ul,.article-body ol{margin:1.4em 0;padding-left:0}
.article-body ul li{position:relative;padding-left:26px;margin:.7em 0}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:linear-gradient(135deg,var(--primary),var(--gold));transform:rotate(45deg)}
.article-body ol{list-style:none;counter-reset:article-list}
.article-body ol li{position:relative;padding-left:42px;margin:.7em 0;counter-increment:article-list}
.article-body ol li::before{content:counter(article-list);position:absolute;left:0;top:.1em;width:26px;height:26px;background:var(--surface-night);color:var(--gold);border-radius:9px;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center}
.article-body strong{color:var(--text-dark)}
.article-body blockquote{margin:1.8em 0;padding:20px 24px;background:rgba(255,77,104,.05);border-left:4px solid var(--primary);border-radius:0 16px 16px 0;color:var(--text-mild-dark);font-size:16px}
.article-body blockquote p{margin:.4em 0}
.article-body img{border-radius:var(--radius-md);margin:1.6em 0}
.article-body a{color:#C52945;text-decoration:underline;text-underline-offset:4px;border-radius:4px}
.article-body a:hover{color:var(--primary)}
.article-body table{border-collapse:collapse;width:100%;margin:1.6em 0;background:#fff;border-radius:16px;overflow:hidden;font-size:15px}
.article-body th,.article-body td{border:1px solid rgba(0,0,0,.08);text-align:left;padding:12px 14px}
.article-body th{background:var(--surface-night);color:#fff}
.article-body hr{border:0;height:1px;background:var(--line-cream);margin:2.5em 0}
.article-body code{background:var(--surface-night);color:#fff;padding:3px 8px;border-radius:7px;font-family:Consolas,monospace;font-size:.9em}
.article-tip{margin-top:52px;background:#fff;border:1px solid var(--line-cream);border-radius:var(--radius-lg);padding:26px 28px;display:flex;gap:18px;box-shadow:var(--shadow-card)}
.article-tip-icon{flex:0 0 46px;width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--gold));color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:900}
.article-tip-content{color:var(--text-mild-dark);font-size:14px;line-height:1.8}
.article-tip-content strong{color:var(--text-dark);display:block;margin-bottom:4px;font-size:15px}
.empty-article{margin:72px auto 108px;max-width:680px;text-align:center;background:var(--cream-card);border:2px dashed rgba(0,0,0,.12);border-radius:22px;padding:66px 30px}
.empty-article-icon{width:68px;height:68px;margin:0 auto 22px;background:rgba(255,77,104,.08);color:var(--primary);border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:30px}
.empty-article h2{margin:0 0 12px;font-size:28px;color:var(--text-dark)}
.empty-article p{margin:0 0 28px;color:var(--text-mild-dark);line-height:1.75}
.reading-path{padding:104px 0;background:var(--bg-night);color:var(--text-night)}
.reading-path-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:40px}
.section-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--gold);letter-spacing:1px;margin-bottom:14px}
.section-eyebrow::before{content:"";width:18px;height:2px;background:var(--gold);border-radius:999px}
.section-title{font-size:clamp(28px,4vw,40px);line-height:1.25;font-weight:900;margin:0;color:currentColor}
.section-sub{color:var(--text-night-sub);font-size:15px;line-height:1.75;margin-top:14px;max-width:620px}
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.path-card{position:relative;background:var(--surface-night);border:1px solid var(--line-night);padding:28px 26px;border-radius:var(--radius-lg);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.path-card:hover{transform:translateY(-5px);border-color:rgba(244,183,64,.3);box-shadow:var(--shadow-card)}
.path-num{font-size:14px;font-weight:900;color:var(--gold);letter-spacing:1px}
.path-title{font-size:18px;font-weight:800;color:var(--text-night);margin:16px 0 8px}
.path-desc{font-size:14px;line-height:1.75;color:var(--text-night-sub)}
.path-card::after{content:"→";position:absolute;top:22px;right:22px;color:rgba(255,255,255,.28);font-size:20px}
.related-block{padding:104px 0;background:var(--surface-night);color:var(--text-night)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.related-card{display:block;background:var(--bg-night);border:1px solid var(--line-night);border-radius:var(--radius-lg);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;height:100%}
.related-card:hover{transform:translateY(-4px);border-color:rgba(255,77,104,.35);box-shadow:var(--shadow-card)}
.related-media{aspect-ratio:16/9;overflow:hidden;background-color:rgba(255,255,255,.04)}
.related-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-media img{transform:scale(1.04)}
.related-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.related-kicker{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.related-card h3{font-size:19px;font-weight:800;line-height:1.45;color:var(--text-night);margin:0 0 12px}
.related-card p{font-size:14px;color:var(--text-night-sub);line-height:1.7;margin:0 0 18px;flex:1}
.related-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary)}
.related-more:hover{color:#FF7D96}
.related-more span{transition:transform .2s ease}
.related-card:hover .related-more span{transform:translateX(4px)}
.section-cta{padding:90px 0;background:var(--cream-bg);color:var(--text-dark)}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--cream-card);border-radius:28px;box-shadow:0 12px 34px rgba(30,15,10,.08);padding:46px 50px;border:1px solid rgba(0,0,0,.06)}
.cta-box h2{font-size:clamp(26px,4vw,34px);font-weight:900;line-height:1.3;margin:0}
.cta-box p{margin:12px 0 0;font-size:15px;line-height:1.7;color:var(--text-mild-dark);max-width:520px}
.cta-actions{flex-shrink:0;display:flex}
.site-footer{background:#120E15;color:var(--text-night-sub);padding:78px 0 30px;border-top:1px solid var(--line-night)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.4fr;gap:40px;margin-bottom:52px}
.brand-footer{color:var(--text-night)}
.brand-footer .brand-name{font-size:18px}
.footer-brand p{font-size:14px;line-height:1.8;margin:20px 0 0;max-width:300px}
.footer-col h4{font-size:16px;font-weight:800;color:var(--text-night);margin:0 0 18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;transition:color .2s ease,padding-left .2s ease;border-radius:4px;display:inline-block}
.footer-col a:hover{color:var(--primary)}
.footer-note{font-size:13px;line-height:1.8;margin:0}
.footer-bottom{border-top:1px solid var(--line-night);padding-top:24px;font-size:13px;color:rgba(255,255,255,.45)}
.no-js .main-nav{position:static;opacity:1;visibility:visible}
@media(max-width:1024px){
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:860px){
 .article-hero{padding:150px 0 80px}
 .article-content-block{padding:72px 0}
 .reading-path,.related-block{padding:72px 0}
 .path-grid{grid-template-columns:1fr}
 .related-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(100% - 32px,1220px)}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .cta-box{flex-direction:column;text-align:left;padding:34px 24px}
 .cta-actions{width:100%}
 .article-tip{flex-direction:column}
 .article-title{font-size:34px}
 .article-body{font-size:16px}
}
@media(max-width:520px){
 .article-hero{padding:132px 0 66px;background-position:72% center}
 .related-grid{grid-template-columns:1fr}
 .nav-chip{padding:9px 16px}
 .header-cta{display:none}
 .section-cta{padding:64px 0}
 .cta-box{border-radius:22px}
 .footer-grid{gap:26px}
}

/* roulang page: category1 */
:root {
  --deep: #17141E;
  --surface: #201B2A;
  --surface-2: #261F30;
  --cream: #F5EFE6;
  --cream-card: #FFFDF8;
  --pink: #FF4D68;
  --pink-deep: #E63C55;
  --gold: #F4B740;
  --mint: #36D1B4;
  --text-light: #F7F2FA;
  --text-muted: #A99FB5;
  --text-dark: #1F1C27;
  --text-dark-muted: #6A6272;
  --line-dark: rgba(255, 255, 255, .08);
  --line-black: rgba(0, 0, 0, .08);
  --shadow-card: 0 12px 34px rgba(30, 15, 10, .14);
  --shadow-btn: 0 3px 0 rgba(0, 0, 0, .22);
  --radius-card: 20px;
  --radius-btn: 12px;
  --radius-pill: 999px;
  --container: 1200px;
  --space-section: 96px;
  --font-system: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-system);
  background: var(--deep);
  color: var(--text-light);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

button,
input,
textarea {
  font: inherit;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

:focus-visible {
  outline: 3px solid rgba(255, 77, 104, .7);
  outline-offset: 3px;
}

/* ========== Header & Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(23, 20, 30, .94);
  border-bottom: 1px solid var(--line-dark);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .16);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 74px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--gold), var(--pink));
  color: #fff;
  font-weight: 900;
  font-size: 15px;
  letter-spacing: -.5px;
  box-shadow: 0 6px 16px rgba(244, 183, 64, .25), var(--shadow-btn);
}

.brand-name {
  font-size: 21px;
  line-height: 1.1;
  font-weight: 900;
  color: var(--text-light);
  letter-spacing: -.5px;
}

.brand-name .brand-desc {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  text-transform: uppercase;
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 auto;
}

.nav-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 7px 18px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius-pill);
  color: rgba(255, 255, 255, .82);
  font-size: 14px;
  font-weight: 600;
  transition: all .25s ease;
}

.nav-chip:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, .4);
  transform: translateY(-1px);
}

.nav-chip.active,
.nav-chip[aria-current="page"] {
  background: var(--pink);
  border-color: var(--pink);
  color: #fff;
  box-shadow: 0 3px 0 rgba(0, 0, 0, .24);
}

.nav-chip.active::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  margin-right: 8px;
  opacity: .75;
}

.header-cta {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, .2);
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: all .3s ease;
}

.site-header.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.site-header.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-btn);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  transition: all .24s ease;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.btn-primary {
  background: var(--pink);
  color: #fff;
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  background: var(--pink-deep);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .28);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .5);
  color: #fff;
}

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, .08);
}

.btn-gold {
  background: var(--gold);
  color: var(--text-dark);
  box-shadow: 0 3px 0 #B9831F;
}

.btn-gold:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

/* plain text link with arrow */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gold);
  font-weight: 700;
  font-size: 14px;
  transition: gap .25s ease, color .2s ease;
}

.text-link:hover {
  color: #fff;
  gap: 10px;
}

.text-link-dark {
  color: var(--pink-deep);
}

.text-link-dark:hover {
  color: var(--text-dark);
}

/* ========== Sections ========== */
.section {
  padding: var(--space-section) 0;
  position: relative;
}

.bg-dark {
  background: var(--deep);
  color: var(--text-light);
}

.bg-ink {
  background: #1F1A28;
  color: var(--text-light);
}

.bg-cream {
  background: var(--cream);
  color: var(--text-dark);
  border-radius: 32px 32px 0 0;
}

.section-head {
  max-width: 780px;
  margin-bottom: 44px;
}

.section-title {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 14px;
  letter-spacing: -1px;
}

.section-subtitle {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 0;
}

.bg-dark .section-subtitle,
.bg-ink .section-subtitle {
  color: var(--text-muted);
}

.bg-cream .section-subtitle {
  color: var(--text-dark-muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .07);
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .5px;
  margin-bottom: 16px;
}

.bg-cream .eyebrow {
  background: rgba(255, 77, 104, .1);
  color: var(--pink-deep);
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pink);
  box-shadow: 0 0 0 4px rgba(255, 77, 104, .15);
}

.grad-text {
  background: linear-gradient(90deg, #FFB068, #FF4D68, #F4B740);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ========== Category Hero ========== */
.cat-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(23, 20, 30, .96) 0%, rgba(23, 20, 30, .78) 45%, rgba(23, 20, 30, .35) 100%),
    url("/assets/images/backpic/back-1.png") center / cover no-repeat;
}

.cat-hero::after {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  right: -120px;
  top: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244, 183, 64, .2), transparent 65%);
  pointer-events: none;
}

.cat-hero-inner {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 56px;
  padding-top: 90px;
  padding-bottom: 110px;
}

.cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  margin-bottom: 22px;
  border-radius: var(--radius-pill);
  background: rgba(255, 77, 104, .15);
  border: 1px solid rgba(255, 77, 104, .45);
  color: #FFC1CC;
  font-size: 13px;
  font-weight: 700;
}

.cat-badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulse 2.4s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.7); }
}

.cat-hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -1.2px;
  margin: 0 0 22px;
}

.cat-lead {
  max-width: 620px;
  font-size: 17px;
  line-height: 1.85;
  color: #C9C0D2;
  margin-bottom: 30px;
}

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

/* hero aside tips card */
.cat-hero-card {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, .055);
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.cat-hero-card > span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--gold);
  margin-bottom: 8px;
}

.cat-hero-card h3 {
  font-size: 20px;
  line-height: 1.4;
  margin-bottom: 12px;
}

.cat-hero-card > p {
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--line-dark);
  padding-bottom: 18px;
  margin-bottom: 16px;
}

.cat-hero-card ul {
  display: grid;
  gap: 14px;
}

.cat-hero-card li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: #D6CEDD;
}

.cat-hero-card li b {
  color: #fff;
  font-weight: 650;
}

.cat-hero-card li::before {
  content: "1";
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--pink), #FF9B5C);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
}

.cat-hero-card li:nth-child(2)::before {
  content: "2";
}

.cat-hero-card li:nth-child(3)::before {
  content: "3";
}

/* ========== Route steps ========== */
.route-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.route-card {
  grid-column: span 3;
  background: var(--surface);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  position: relative;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.route-card:hover {
  transform: translateY(-4px);
  border-color: rgba(244, 183, 64, .45);
  box-shadow: var(--shadow-card);
}

.route-step-num {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(255, 77, 104, .14);
  border: 1px solid rgba(255, 77, 104, .45);
  color: #FF9DAA;
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 20px;
}

.route-card:nth-child(2) .route-step-num {
  background: rgba(244, 183, 64, .14);
  border-color: rgba(244, 183, 64, .45);
  color: var(--gold);
}

.route-card:nth-child(3) .route-step-num {
  background: rgba(54, 209, 180, .12);
  border-color: rgba(54, 209, 180, .4);
  color: var(--mint);
}

.route-card:nth-child(4) .route-step-num {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .24);
  color: #fff;
}

.route-step-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.route-card h3 {
  font-size: 19px;
  line-height: 1.35;
  margin-bottom: 10px;
  letter-spacing: -.2px;
}

.route-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
  margin: 0;
}

/* ========== Scenes ========== */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.scene-card {
  background: var(--cream-card);
  border: 1px solid rgba(0, 0, 0, .06);
  border-radius: var(--radius-card);
  padding: 26px 22px;
  box-shadow: 0 6px 18px rgba(40, 25, 10, .05);
  transition: transform .28s ease, box-shadow .28s ease;
}

.scene-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 32px rgba(40, 25, 10, .1);
}

.scene-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  font-size: 20px;
  border-radius: 12px;
  background: rgba(255, 77, 104, .1);
  margin-bottom: 18px;
}

.scene-card:nth-child(2) .scene-icon {
  background: rgba(244, 183, 64, .15);
}

.scene-card:nth-child(3) .scene-icon {
  background: rgba(54, 209, 180, .13);
}

.scene-card:nth-child(4) .scene-icon {
  background: rgba(135, 94, 255, .12);
}

.scene-card h3 {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 8px;
  letter-spacing: -.2px;
}

.scene-card p {
  font-size: 14px;
  color: var(--text-dark-muted);
  line-height: 1.75;
  margin: 0;
}

/* ========== Reward nodes ========== */
.reward-wrap {
  display: grid;
  grid-template-columns: 1.25fr .95fr;
  gap: 26px;
  align-items: stretch;
}

.reward-media {
  display: flex;
  align-items: flex-end;
  border-radius: 22px;
  min-height: 360px;
  padding: 26px;
  overflow: hidden;
  background:
    linear-gradient(0deg, rgba(23, 20, 30, .96) 0%, rgba(23, 20, 30, .28) 70%, transparent 100%),
    url("/assets/images/coverpic/cover-3.png") center / cover no-repeat;
  border: 1px solid rgba(244, 183, 64, .4);
  position: relative;
}

.reward-media::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 22px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(244, 183, 64, .8), rgba(255, 77, 104, .25), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: .8;
}

.reward-media-tag {
  align-self: flex-start;
  margin-bottom: auto;
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .14);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .4px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.reward-media-copy {
  max-width: 430px;
}

.reward-media-copy h3 {
  font-size: 25px;
  font-weight: 900;
  line-height: 1.3;
  margin: 0 0 12px;
  letter-spacing: -.5px;
}

.reward-media-copy p {
  color: #D8D0DC;
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 18px;
}

.task-list {
  background: var(--surface-2);
  border: 1px solid var(--line-dark);
  border-radius: 22px;
  padding: 28px 24px;
}

.task-list h3 {
  font-size: 21px;
  margin-bottom: 6px;
}

.task-list .task-note {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.task-nodes {
  display: grid;
  gap: 12px;
}

.task-node {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 15px;
  border-radius: 15px;
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .07);
  transition: border-color .25s ease, background .25s ease;
}

.task-node:hover {
  border-color: rgba(244, 183, 64, .42);
  background: rgba(255, 255, 255, .07);
}

.task-node span {
  color: var(--gold);
  font-size: 14px;
  font-weight: 900;
  min-width: 30px;
}

.task-node strong {
  color: #fff;
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.task-node small {
  color: var(--text-muted);
  font-size: 13px;
  display: block;
  line-height: 1.5;
}

/* ========== Safety ========== */
.safety-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.safety-card {
  background: var(--cream-card);
  border: 1px solid rgba(0, 0, 0, .06);
  border-radius: var(--radius-card);
  padding: 28px 24px 24px;
  position: relative;
}

.safety-num {
  font-size: 14px;
  font-weight: 900;
  color: var(--pink-deep);
  letter-spacing: 1px;
}

.safety-card h3 {
  font-size: 19px;
  margin: 8px 0 10px;
}

.safety-card p {
  font-size: 14px;
  color: var(--text-dark-muted);
  line-height: 1.8;
  margin: 0;
}

/* ========== FAQ ========== */
.faq-wrap {
  max-width: 860px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 15px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .25s ease, background .25s ease;
}

.faq-item.open {
  border-color: rgba(244, 183, 64, .4);
  background: var(--surface-2);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: transparent;
  border: 0;
  padding: 19px 22px;
  color: var(--text-light);
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 650;
}

.faq-q i {
  position: relative;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.faq-q i::before,
.faq-q i::after {
  content: "";
  position: absolute;
  background: var(--gold);
  border-radius: 2px;
  top: 50%;
  left: 50%;
  transition: all .25s ease;
}

.faq-q i::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.faq-q i::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.faq-item.open .faq-q i::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.faq-a {
  display: none;
  padding: 0 22px 22px;
}

.faq-item.open .faq-a {
  display: block;
}

.faq-a p {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding-top: 16px;
  margin: 0;
}

/* ========== Bottom CTA ========== */
.cta-band {
  background: var(--cream);
  color: var(--text-dark);
  border-radius: 28px 28px 0 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding-top: 88px;
  padding-bottom: 92px;
}

.cta-copy {
  max-width: 680px;
}

.cta-copy .eyebrow {
  background: rgba(255, 77, 104, .1);
  color: var(--pink-deep);
}

.cta-copy h2 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.25;
  letter-spacing: -1px;
  margin: 0 0 14px;
}

.cta-copy p {
  font-size: 16px;
  color: var(--text-dark-muted);
  margin: 0;
}

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

/* ========== Footer ========== */
.site-footer {
  background: #100E16;
  border-top: 1px solid rgba(255, 255, 255, .06);
  padding-top: 70px;
  color: var(--text-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: 44px;
  padding-bottom: 50px;
}

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

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 18px 0 0;
  max-width: 330px;
}

.footer-col h4 {
  font-size: 15px;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .2px;
}

.footer-col ul {
  display: grid;
  gap: 9px;
}

.footer-col a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color .2s ease, padding-left .2s ease;
}

.footer-col a:hover {
  color: var(--gold);
  padding-left: 4px;
}

.footer-note {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-muted);
  background: rgba(255, 255, 255, .035);
  border-radius: 14px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, .06);
  margin: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .06);
  padding: 20px 0 22px;
  font-size: 13px;
  color: #756B80;
  text-align: center;
}

.footer-bottom a {
  color: inherit;
}

.footer-bottom a:hover {
  color: var(--gold);
}

/* ========== Responsive ========== */
@media (max-width: 1020px) {
  :root {
    --space-section: 82px;
  }

  .header-inner {
    gap: 16px;
  }

  .nav-chip {
    padding: 6px 13px;
    font-size: 13px;
  }

  .header-cta {
    display: none;
  }

  .cat-hero-inner {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 70px;
    padding-bottom: 88px;
  }

  .cat-hero-card {
    max-width: 620px;
  }

  .route-card {
    grid-column: span 6;
  }

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

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

  .task-list {
    margin-top: 8px;
  }

  .cta-inner {
    flex-direction: column;
    padding-top: 76px;
    padding-bottom: 78px;
  }

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

@media (max-width: 768px) {
  :root {
    --space-section: 68px;
  }

  .main-nav {
    position: fixed;
    top: 80px;
    left: 16px;
    right: 16px;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    background: #241E30;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 20px;
    padding: 16px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, .36);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all .3s ease;
    z-index: 99;
  }

  .site-header.nav-open .main-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-chip {
    width: 100%;
    justify-content: flex-start;
    min-height: 44px;
    padding: 8px 16px;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .header-cta {
    display: none;
  }

  .brand-desc {
    display: none;
  }

  .cat-hero h1 {
    font-size: 38px;
    line-height: 1.2;
  }

  .cat-hero-inner {
    padding-top: 58px;
    padding-bottom: 72px;
  }

  .cat-hero-card {
    padding: 22px;
  }

  .route-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .route-card {
    grid-column: span 1;
  }

  .scene-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .reward-wrap {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .reward-media {
    min-height: 300px;
  }

  .safety-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .faq-q {
    font-size: 15px;
    padding: 17px 18px;
  }

  .faq-a {
    padding: 0 18px 19px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .cta-inner {
    padding-top: 64px;
    padding-bottom: 68px;
  }

  .cta-actions .btn,
  .cta-actions .text-link {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 18px;
  }

  :root {
    --space-section: 56px;
  }

  .header-inner {
    min-height: 66px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .brand-name {
    font-size: 19px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .cat-hero h1 {
    font-size: 32px;
  }

  .cat-hero-inner {
    padding-top: 46px;
    padding-bottom: 58px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn,
  .hero-actions .btn-outline {
    width: 100%;
  }

  .reward-media {
    min-height: 248px;
    border-radius: 18px;
    padding: 18px;
  }

  .reward-media-copy h3 {
    font-size: 20px;
  }

  .task-list {
    padding: 20px 16px;
  }

  .safety-card,
  .scene-card {
    padding: 22px 18px;
  }

  .faq-q {
    font-size: 14px;
  }

  .btn {
    padding: 12px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001s !important;
    transition-duration: .001s !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* roulang page: category2 */
:root{
  --bg-night:#17141e;
  --bg-deep:#201b2a;
  --bg-soft:#282132;
  --cream:#f5efe6;
  --cream-deep:#efe6d8;
  --ink:#1f1c27;
  --ink-soft:#6a6272;
  --white:#f7f2fa;
  --muted:#a99fb5;
  --primary:#ff4d68;
  --primary-dark:#e63c55;
  --gold:#f4b740;
  --mint:#36d1b4;
  --border-dark:rgba(255,255,255,.08);
  --border-dark-2:rgba(255,255,255,.16);
  --border-light:rgba(0,0,0,.08);
  --shadow-card:0 18px 44px rgba(30,15,10,.16);
  --shadow-btn:0 3px 0 rgba(0,0,0,.22);
  --radius:20px;
  --radius-sm:14px;
  --container:1220px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg-night);color:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 28px}
section{position:relative}

/* header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(23,20,30,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-dark)}
.header-inner{display:flex;align-items:center;gap:22px;min-height:78px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--primary),var(--gold));color:#fff;font-weight:900;font-size:16px;letter-spacing:-.5px;box-shadow:0 4px 14px rgba(255,77,104,.28)}
.brand-name{font-weight:800;font-size:21px;line-height:1.25;color:#fff;letter-spacing:.5px}
.brand-desc{display:block;font-size:10px;font-weight:400;color:var(--muted);letter-spacing:.3px}
.brand-footer .brand-mark{width:38px;height:38px;font-size:15px}
.main-nav{display:flex;align-items:center;justify-content:center;gap:8px;margin-left:auto;margin-right:16px}
.nav-chip{position:relative;display:inline-flex;align-items:center;gap:8px;padding:9px 20px;border-radius:999px;border:1px solid var(--border-dark-2);background:rgba(255,255,255,.02);color:var(--white);font-size:14px;font-weight:600;line-height:1.4;transition:.2s ease}
.nav-chip:hover{border-color:rgba(255,255,255,.38);background:rgba(255,255,255,.07);transform:translateY(-1px)}
.nav-chip.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 3px 0 rgba(0,0,0,.22)}
.nav-chip.active::after{content:"";position:absolute;left:50%;bottom:-5px;transform:translateX(-50%);width:5px;height:5px;border-radius:50%;background:var(--gold)}
.header-cta{margin-left:2px;white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:12px;cursor:pointer;border:0;transition:.2s ease}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-btn)}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 5px 0 rgba(0,0,0,.14)}
.btn-sm{padding:9px 19px;font-size:14px}
.btn-lg{padding:15px 32px;font-size:17px}
.btn-light{background:var(--cream);color:var(--ink);box-shadow:0 3px 0 rgba(0,0,0,.12)}
.btn-light:hover{background:#fff;transform:translateY(-2px)}
.btn-ghost{color:var(--white);background:transparent;border:1px solid var(--border-dark-2)}
.btn-ghost:hover{border-color:var(--cream);background:rgba(255,255,255,.05)}
.btn-block{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:transparent;border:0;padding:10px 8px;margin-left:auto;cursor:pointer;border-radius:8px}
.nav-toggle span{display:block;width:24px;height:2px;border-radius:2px;background:#fff;transition:.25s}
@media(max-width:960px){
.site-header .main-nav,.site-header .header-cta{display:none}
.nav-toggle{display:flex}
.header-inner{min-height:66px;flex-wrap:wrap}
.nav-open .main-nav{display:flex;flex-direction:row;justify-content:flex-start;gap:6px;width:100%;overflow-x:auto;padding:6px 4px 14px;margin-left:0;margin-right:0;scrollbar-width:none}
.nav-open .main-nav::-webkit-scrollbar{display:none}
.nav-chip{white-space:nowrap;padding:8px 14px;font-size:13px}
.nav-open .header-cta{display:none}
}

/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(107deg,rgba(23,20,30,.96) 0%,rgba(32,27,42,.9) 46%,rgba(60,41,32,.82) 100%),url("/assets/images/backpic/back-1.png") center/cover no-repeat}
.hero::before{content:"";position:absolute;width:620px;height:620px;left:-180px;top:-180px;background:radial-gradient(circle,rgba(255,77,104,.38),transparent 62%);pointer-events:none}
.hero::after{content:"";position:absolute;width:460px;height:460px;right:-130px;bottom:-110px;background:radial-gradient(circle,rgba(244,183,64,.28),transparent 60%);pointer-events:none}
.hero-inner{min-height:620px;display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:40px;padding:88px 0 70px;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);border-radius:999px;padding:6px 14px 6px 8px;font-size:13px;color:var(--cream);width:max-content;max-width:100%}
.hb-dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(54,209,180,.18)}
.hero h1{font-size:clamp(44px,6.4vw,72px);line-height:1.16;letter-spacing:-1px;font-weight:900;color:#fff;margin:22px 0 16px;text-wrap:balance;max-width:760px}
.hero h1 .grad-text{background:linear-gradient(92deg,var(--primary),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17px;line-height:1.9;color:#d6ccd8;max-width:620px;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn-arrow{display:inline-flex;align-items:center;gap:7px;color:var(--cream);font-weight:600;font-size:15px;padding:12px 4px;transition:.2s}
.btn-arrow:hover{gap:12px}
.hero-note{margin-top:18px;color:var(--muted);font-size:13px;display:flex;align-items:center;gap:8px;border-top:1px solid var(--border-dark);padding-top:14px}
.hero-art{position:relative;min-height:380px;display:flex;align-items:center;justify-content:center}
.hero-panel{width:100%;max-width:390px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:24px;padding:26px;box-shadow:var(--shadow-card);backdrop-filter:blur(8px)}
.hero-panel::after{content:"发起方 · PG官网活动中心";display:block;margin-top:16px;padding-top:12px;border-top:1px dashed rgba(255,255,255,.2);font-size:12px;color:var(--muted)}
.hp-row{display:flex;justify-content:space-between;color:var(--cream);font-size:14px;padding:7px 0}
.hp-row b{color:#fff}
.hp-row span:last-child{font-weight:700}
.hp-tag{display:inline-block;background:var(--gold);color:var(--ink);border-radius:999px;padding:2px 12px;font-size:12px;font-weight:800;margin-bottom:14px}
@media(max-width:920px){
.hero-inner{grid-template-columns:1fr;padding:72px 0 56px;min-height:auto}
.hero-art{min-height:0;order:-1}
.hero-panel{max-width:100%}
}

/* status strip */
.status-strip{padding:34px 0;background:var(--bg-deep);border-top:1px solid var(--border-dark)}
.status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.status-card{background:rgba(255,255,255,.04);border:1px solid var(--border-dark);border-radius:var(--radius-sm);padding:16px 18px;display:flex;gap:13px;align-items:flex-start}
.status-ico{width:36px;height:36px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;font-size:18px}
.ico-live{background:rgba(54,209,180,.15)}
.ico-sign{background:rgba(244,183,64,.15)}
.ico-end{background:rgba(255,77,104,.15)}
.status-tt{font-size:14px;font-weight:800;color:#fff;margin-bottom:2px}
.status-desc{font-size:13px;color:var(--muted);line-height:1.6}
@media(max-width:900px){.status-grid{grid-template-columns:1fr}}

/* section */
.section{position:relative;padding:92px 0}
.section.cream{background:var(--cream);color:var(--ink)}
.section.dark{background:var(--bg-night)}
.section.deep{background:var(--bg-deep)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:13px;letter-spacing:1.6px;text-transform:uppercase;margin:0 0 14px}
.eye-dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 5px rgba(255,77,104,.14)}
.cream .eyebrow{color:#7a2c38}
.dark .eyebrow{color:#f59e6d}
.section-title{font-size:clamp(30px,4.2vw,52px);line-height:1.22;letter-spacing:-.6px;font-weight:900;margin:0;color:inherit;max-width:860px;text-wrap:balance}
.section-desc{font-size:17px;line-height:1.85;color:var(--muted);margin:16px 0 0;max-width:760px}
.cream .section-desc{color:var(--ink-soft)}
.section-head{margin-bottom:42px}

/* process */
.howto-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:26px;align-items:stretch;margin-top:34px}
.process-steps{display:flex;flex-direction:column;gap:0}
.p-step{position:relative;display:flex;gap:18px;background:#fff;border:1px solid var(--border-light);border-radius:18px;padding:22px;box-shadow:0 6px 24px rgba(0,0,0,.04);margin-bottom:18px;transition:.2s}
.p-step:hover{transform:translateX(4px);box-shadow:var(--shadow-card)}
.p-num{flex:0 0 auto;display:grid;place-items:center;width:54px;height:54px;border-radius:18px;background:var(--ink);color:var(--cream);font-weight:900;font-size:19px;box-shadow:0 8px 22px rgba(31,28,39,.16)}
.p-step:nth-child(2) .p-num{background:var(--primary)}
.p-step:nth-child(3) .p-num{background:var(--gold);color:var(--ink)}
.p-step:nth-child(4) .p-num{background:var(--mint);color:var(--ink)}
.p-copy{min-width:0}
.p-title{font-size:18px;font-weight:800;color:var(--ink);line-height:1.5}
.p-para{font-size:14.5px;color:var(--ink-soft);margin-top:4px;line-height:1.7}
.howto-card{position:relative;background:linear-gradient(150deg,#26222f,#17141e);border-radius:24px;padding:34px;overflow:hidden;color:#fff;box-shadow:var(--shadow-card);display:flex;flex-direction:column;justify-content:flex-end}
.howto-card::after{content:"";position:absolute;inset:auto -40px -60px auto;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(244,183,64,.28),transparent 70%)}
.hc-tag{color:var(--gold);font-weight:800;font-size:12px;letter-spacing:1.5px;display:block;margin-bottom:12px}
.howto-card h3{font-size:26px;font-weight:900;line-height:1.4;position:relative;z-index:2}
.howto-card p{color:#cfc4d4;font-size:15px;line-height:1.85;position:relative;z-index:2}
.howto-card img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;opacity:.18}
.howto-card img+div{position:relative;z-index:1;background:linear-gradient(transparent,rgba(23,20,30,.9) 80%);padding-top:70px;border-radius:24px;margin:-34px;padding:34px;display:flex;flex-direction:column;justify-content:flex-end}
@media(max-width:1000px){
.howto-wrap{grid-template-columns:1fr}
.howto-card{min-height:320px}
.section{padding:72px 0}
}

/* event hub / rewards */
.event-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:30px}
.evt-tab{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:7px 15px;font-size:13px;font-weight:700;border:1px solid var(--border-dark-2);color:var(--muted);background:transparent;cursor:pointer;transition:.2s}
.evt-tab.active,.evt-tab:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.evt-tab.active{box-shadow:0 3px 0 rgba(0,0,0,.2)}
.hub-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin-bottom:22px}
.hub-large{grid-column:span 3;min-height:320px}
.hub-mid{grid-column:span 3;min-height:320px}
@media(max-width:1000px){.hub-large,.hub-mid{grid-column:span 6}}
.hub-card{position:relative;border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;border:1px solid var(--border-dark);background:var(--bg-soft);transition:.25s}
.hub-card .cta-abs{position:absolute;right:18px;top:18px;display:inline-block;background:rgba(0,0,0,.46);border:1px solid rgba(255,255,255,.2);padding:4px 11px;font-size:12px;color:#fff;border-radius:999px;z-index:2;white-space:nowrap;backdrop-filter:blur(4px)}
.hub-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.35s}
.hub-card:hover img{transform:scale(1.04)}
.hub-card::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(23,20,30,.05) 25%,rgba(23,20,30,.85) 88%)}
.hub-body{position:relative;z-index:2;padding:26px;margin-top:auto;color:#fff}
.hub-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.chip-light{font-size:11.5px;font-weight:700;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);padding:3px 10px;border-radius:999px;color:#fff}
.chip-gold{background:var(--gold);color:var(--ink);border:0}
.hub-title{font-size:22px;font-weight:900;line-height:1.4;margin:0}
.hub-desc{font-size:14px;line-height:1.7;color:#e4dce5;margin-top:6px}
.hub-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--gold);margin-top:16px;transition:.2s}
.hub-card:hover .hub-link{gap:10px}
.hub-list-card{grid-column:span 6;display:grid;grid-template-columns:220px 1fr 1fr;gap:0;overflow:hidden}
.hub-list-card iframe,.hub-list-card img{position:static;width:100%;height:100%}
.hub-list-card .hub-body{background:rgba(255,255,255,.05);display:flex;flex-direction:column;justify-content:center}
@media(max-width:980px){
.hub-list-card{grid-template-columns:1fr}
.hub-list-card img{height:190px}
.hub-list-card .hub-body{border-top:1px solid var(--border-dark)}
}
@media(max-width:560px){
.hub-large,.hub-mid,.hub-list-card{grid-column:span 6;min-height:270px}
.hub-body{padding:20px}
}
.hub-side list { grid... }

/* value split */
.split-wrap{display:grid;grid-template-columns:repeat(12,1fr);gap:26px;margin-top:10px}
.split-visual{grid-column:span 5;min-height:260px;overflow:hidden;border-radius:22px;position:relative;border:1px solid var(--border-dark)}
.split-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.split-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(23,20,30,.1),rgba(23,20,30,.55))}
.split-feature{grid-column:span 7;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:960px){
.split-visual{grid-column:span 12}
.split-feature{grid-column:span 12}
}
.feature-tile{background:#fff;border-radius:18px;border:1px solid var(--border-light);padding:24px;box-shadow:0 4px 20px rgba(0,0,0,.03);transition:.2s}
.feature-tile:hover{box-shadow:var(--shadow-card);transform:translateY(-3px)}
.f-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:21px;margin-bottom:14px}
.icon-rose{background:rgba(255,77,104,.12)}
.icon-gold{background:rgba(244,183,64,.16)}
.f-title{font-size:17px;font-weight:800;color:var(--ink);line-height:1.5}
.f-text{font-size:14px;line-height:1.75;color:var(--ink-soft);margin-top:6px}
@media(max-width:680px){.split-feature{grid-template-columns:1fr}}

/* audience */
.aud-row{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.aud-copy h2{margin-top:0}
.aud-card{background:#fff;border:1px solid var(--border-light);border-radius:16px;padding:18px 20px;margin-bottom:12px;display:flex;gap:14px;align-items:flex-start;box-shadow:0 4px 16px rgba(0,0,0,.03)}
.num-pin{flex:0 0 8px;width:8px;height:42px;border-radius:6px;background:var(--primary);margin-top:4px}
.num-pin.gold{background:var(--gold)}
.num-pin.mint{background:var(--mint)}
.aud-card h4{margin:0;font-size:17px;font-weight:800;color:var(--ink)}
.aud-card p{margin:5px 0 0;font-size:14px;color:var(--ink-soft);line-height:1.75}
@media(max-width:960px){.aud-row{grid-template-columns:1fr;gap:24px}}

/* FAQ */
.faq-wrap{max-width:900px;margin:24px auto 0}
.faq-item{background:#fff;border:1px solid var(--border-light);border-radius:16px;margin-bottom:12px;overflow:hidden;box-shadow:0 4px 18px rgba(0,0,0,.02)}
.faq-item.open{box-shadow:var(--shadow-card)}
.faq-q{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 22px;cursor:pointer;font-weight:800;font-size:16px;color:var(--ink);transition:.2s}
.faq-q:hover{background:rgba(255,77,104,.05)}
.faq-btn{flex:0 0 auto;width:32px;height:32px;border:0;border-radius:50%;background:var(--cream-deep);color:var(--ink);font-size:20px;line-height:1;position:relative;cursor:pointer;transition:.25s}
.faq-btn::before,.faq-btn::after{content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;transform:translate(-50%,-50%)}
.faq-btn::before{width:12px;height:2px}
.faq-btn::after{width:2px;height:12px;transition:transform .25s}
.faq-item.open .faq-btn{background:var(--primary);color:#fff}
.faq-item.open .faq-btn::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{display:none;padding:0 22px 22px;color:var(--ink-soft);font-size:15px;line-height:1.9;border-top:1px solid var(--border-light);margin:0 0}
.faq-a p{margin:16px 0 0}
.faq-item.open .faq-a{display:block}

/* cta */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(115deg,#191520 0%,#2a1c1f 50%,#352414 100%),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;border-radius:26px;padding:58px 50px;z-index:1}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(38,27,36,.68);z-index:-1}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-copy h2{font-size:clamp(28px,3.8vw,46px);line-height:1.2;color:#fff;margin:0;letter-spacing:-.5px}
.cta-copy p{color:#e3d3d5;font-size:16px;margin:12px 0 0;max-width:680px;line-height:1.8}
.cta-btns{flex:0 0 auto;display:flex;flex-direction:column;gap:10px}
@media(max-width:900px){
.cta-band{padding:40px 24px}
.cta-inner{flex-direction:column;align-items:flex-start}
}

/* note */
.note-line{padding:64px 0;background:var(--cream)}
.note-line .container{display:flex;align-items:center;gap:20px;justify-content:center}
.note-card{border-radius:14px;background:#fff;padding:18px 22px;font-size:14px;line-height:1.8;color:var(--ink-soft);border:1px dashed #d8cfc2;text-align:center;max-width:920px}
@media(max-width:720px){.section,.section{padding:58px 0}}
@media(max-width:640px){.note-line .container{padding:0 16px}}

/* footer */
.site-footer{background:#110e17;color:var(--muted);padding:76px 0 32px;border-top:1px solid rgba(255,255,255,.04)}
.footer-grid{display:grid;grid-template-columns:1.7fr .9fr 1fr 1.4fr;gap:32px;margin-bottom:38px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--muted);margin-top:14px;max-width:340px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin:0 0 12px;letter-spacing:1px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;transition:.2s;color:#cfc2d4}
.footer-col a:hover{color:var(--gold);padding-left:4px}
.footer-note{font-size:13px;line-height:1.85;color:#8c8294;background:rgba(255,255,255,.03);border-radius:12px;padding:14px}
.footer-bottom{display:flex;justify-content:center;padding-top:22px;border-top:1px solid var(--border-dark);font-size:13px;color:#857b90;text-align:center;gap:6px;flex-wrap:wrap}
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr;gap:24px}}