/* roulang page: index */
:root {
  --clr-primary: #E8A33D;
  --clr-base: #0E1420;
  --clr-aux: #3A225D;
  --clr-accent: #2CE5C0;
  --clr-light-bg: #F4EFE7;
  --clr-text-dark: #1E2530;
  --clr-text-light: #F0F2F5;
  --clr-text-muted: #A3ADBB;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 2px 8px rgba(14,20,32,0.06);
  --shadow-card-hover: 0 10px 24px rgba(14,20,32,0.12);
  --shadow-deep: 0 12px 32px rgba(0,0,0,0.45);
  --glow-amber: 0 0 20px rgba(232,163,61,0.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  background: var(--clr-base);
  color: var(--clr-text-light);
  line-height: 1.75;
  font-size: 0.95rem;
  margin: 0;
  padding: 0;
}
a { color: inherit; text-decoration: none; transition: color 0.2s ease, opacity 0.2s ease; }
a:hover { color: var(--clr-primary); opacity: 0.85; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
.container { max-width: 1200px; }

/* 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(14, 20, 32, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  height: 72px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--clr-primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}
.brand:hover { color: var(--clr-primary); opacity: 1; }
.brand-mark {
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--clr-primary), #C67F1F);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  display: inline-block;
  flex-shrink: 0;
}
.nav-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
  justify-content: center;
  padding: 0 8px;
}
.nav-chips::-webkit-scrollbar { display: none; }
.chip {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 18px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 19px;
  background: transparent;
  color: var(--clr-text-light);
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.2s ease;
}
.chip:hover {
  background: rgba(232,163,61,0.08);
  color: var(--clr-primary);
  border-color: rgba(232,163,61,0.35);
  opacity: 1;
}
.chip.active {
  background: rgba(232,163,61,0.16);
  color: var(--clr-primary);
  border-color: rgba(232,163,61,0.35);
  position: relative;
}
.chip.active::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--clr-primary);
  border-radius: 1px;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-primary);
  color: var(--clr-base);
  border: none;
  border-radius: var(--radius-md);
  padding: 0.5rem 1.2rem;
  font-weight: 700;
  font-size: 0.85rem;
  white-space: nowrap;
  transition: all 0.25s ease;
  flex-shrink: 0;
}
.nav-cta:hover {
  background: #C67F1F;
  transform: translateY(-1px);
  box-shadow: var(--glow-amber);
  color: var(--clr-base);
  opacity: 1;
}

/* Hero */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  background-image: linear-gradient(90deg, #0E1420 0%, rgba(14,20,32,0.6) 40%, transparent 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 80px 0;
}
.hero-content { max-width: 760px; }
.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--clr-text-light);
  text-shadow: 0 4px 24px rgba(0,0,0,0.45);
  margin-bottom: 1.2rem;
}
.hero-sub {
  font-size: 1.12rem;
  color: rgba(240,242,245,0.82);
  margin-bottom: 2rem;
  max-width: 560px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-primary);
  border: none;
  color: var(--clr-base);
  border-radius: var(--radius-md);
  padding: 0.7rem 1.7rem;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.25s ease;
}
.btn-main:hover {
  background: #C67F1F;
  transform: translateY(-1px);
  box-shadow: var(--glow-amber);
  color: var(--clr-base);
  opacity: 1;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--clr-text-light);
  border-radius: var(--radius-md);
  padding: 0.7rem 1.7rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.25s ease;
}
.btn-ghost:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  transform: translateY(-1px);
}
.hero-glow {
  position: absolute;
  right: 12%;
  bottom: 64px;
  width: 48px;
  height: 48px;
  background: rgba(232,163,61,0.5);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  animation: float 6s ease-in-out infinite;
  filter: blur(2px);
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

/* 玩法介绍 */
.play-guide {
  background: var(--clr-base);
  padding: clamp(3rem, 8vw, 6rem) 0;
  position: relative;
  overflow: hidden;
}
.play-guide::before {
  content: '';
  position: absolute;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(58,34,93,0.35), transparent 70%);
  top: -120px;
  right: -100px;
  border-radius: 50%;
  pointer-events: none;
}
.play-guide .container { position: relative; z-index: 1; }
.guide-inner {
  display: flex;
  gap: 48px;
  align-items: stretch;
}
.guide-left { flex: 1; }
.guide-right { flex: 1; display: flex; align-items: center; }
.guide-heading h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  color: var(--clr-text-light);
  margin-bottom: 8px;
}
.guide-heading p {
  color: var(--clr-text-muted);
  margin-bottom: 28px;
}
.step-item {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.step-item:last-child { border-bottom: none; }
.step-num {
  font-family: "DIN Alternate", "Bahnschrift", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--clr-primary);
  line-height: 1;
  flex-shrink: 0;
}
.step-item h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--clr-text-light);
  margin-bottom: 6px;
}
.step-item p {
  color: var(--clr-text-muted);
  font-size: 0.88rem;
  margin-bottom: 0;
  max-width: 420px;
  line-height: 1.7;
}
.guide-visual {
  border-radius: var(--radius-md);
  overflow: hidden;
  width: 100%;
  min-height: 360px;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-deep);
}
.guide-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 360px;
}

/* 奖励预览 */
.rewards-section {
  background: var(--clr-light-bg);
  padding: clamp(3rem, 8vw, 6rem) 0;
}
.rewards-section .section-title,
.news-section .section-title,
.faq-section .section-title {
  color: var(--clr-text-dark);
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 8px;
}
.section-sub {
  color: #5B6A7A;
  font-size: 0.92rem;
  margin-bottom: 32px;
}
.reward-grid {
  display: flex;
  gap: 24px;
  align-items: stretch;
  flex-wrap: wrap;
}
.reward-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 28px 22px;
  flex: 1 1 0;
  border: 1px solid #E8E1D5;
  box-shadow: var(--shadow-card);
  transition: all 0.25s ease;
  text-align: center;
  min-width: 200px;
}
.reward-card.main { flex: 1.4 1 0; }
.reward-card:hover {
  border-color: rgba(232,163,61,0.5);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.reward-card img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin: 0 auto 16px;
}
.reward-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-text-dark);
  margin-bottom: 6px;
}
.reward-value {
  color: var(--clr-primary);
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 10px;
}
.badge-tag {
  display: inline-block;
  background: rgba(232,163,61,0.1);
  border: 1px solid rgba(232,163,61,0.3);
  color: #B26E14;
  padding: 2px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
}

/* 任务进度 */
.task-section {
  background: var(--clr-base);
  padding: clamp(3rem, 8vw, 6rem) 0;
}
.task-section .section-heading {
  text-align: center;
  margin-bottom: 36px;
}
.task-section .section-heading h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  color: var(--clr-text-light);
}
.task-section .section-heading p {
  color: var(--clr-text-muted);
  font-size: 0.92rem;
}
.task-panel {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-deep);
  max-width: 800px;
  margin: 0 auto;
}
.progress-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}
.progress-header .label {
  color: var(--clr-text-muted);
  font-size: 0.85rem;
  white-space: nowrap;
}
.progress-header .total-bar {
  flex: 1;
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  overflow: hidden;
}
.progress-header .total-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-primary), #F5C97E);
  border-radius: 4px;
}
.progress-header .percent {
  font-family: "DIN Alternate", "Bahnschrift", sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-primary);
}
.task-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.task-row:last-child { border-bottom: none; }
.task-info { flex: 1; min-width: 0; }
.task-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-text-light);
  margin-bottom: 8px;
}
.mini-bar {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}
.mini-bar .fill { height: 100%; border-radius: 2px; }
.mini-bar .fill.done { background: var(--clr-accent); }
.mini-bar .fill.empty { background: none; }
.status-badge {
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  font-weight: 600;
}
.status-done {
  background: rgba(44,229,192,0.1);
  color: var(--clr-accent);
  border: 1px solid rgba(44,229,192,0.3);
}
.status-pending {
  background: rgba(255,255,255,0.05);
  color: var(--clr-text-muted);
  border: 1px solid rgba(255,255,255,0.1);
}
.claim-btn {
  background: var(--clr-primary);
  border: none;
  color: var(--clr-base);
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.82rem;
  box-shadow: var(--glow-amber);
  transition: all 0.25s ease;
  white-space: nowrap;
  cursor: pointer;
}
.claim-btn:hover { background: #C67F1F; transform: translateY(-1px); }

/* CTA 通栏 */
.cta-banner {
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  position: relative;
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
  text-align: center;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(14, 20, 32, 0.78);
}
.cta-banner .container { position: relative; z-index: 1; }
.cta-banner h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  color: var(--clr-text-light);
  margin-bottom: 24px;
}
.cta-banner .btn-main { padding: 0.8rem 2.2rem; font-size: 1rem; }

/* 资讯区 */
.news-section {
  background: var(--clr-light-bg);
  padding: clamp(3rem, 8vw, 6rem) 0;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.section-head .section-title { margin-bottom: 0; }
.more-link {
  color: var(--clr-primary);
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
}
.more-link:hover { opacity: 0.8; color: var(--clr-primary); }
.news-list { border-top: 1px solid #E8E1D5; }
.news-item {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid #E8E1D5;
  align-items: flex-start;
  transition: background 0.2s ease;
}
.news-item:hover { background: rgba(232,163,61,0.04); }
.news-item img {
  width: 120px;
  height: 96px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.news-item:hover img { transform: translateY(-2px); }
.news-info { flex: 1; min-width: 0; }
.news-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text-dark);
  margin-bottom: 6px;
  line-height: 1.4;
}
.news-info h4 a:hover { color: var(--clr-primary); opacity: 1; }
.news-info p {
  font-size: 0.85rem;
  color: #5B6A7A;
  line-height: 1.6;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-height: 48px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: #8A939E;
  flex-wrap: wrap;
}
.category-chip {
  display: inline-block;
  background: rgba(232,163,61,0.1);
  color: #B26E14;
  border: 1px solid rgba(232,163,61,0.3);
  border-radius: var(--radius-sm);
  padding: 1px 10px;
  font-size: 0.75rem;
  font-weight: 600;
}
.time { font-size: 0.78rem; }
.read-link {
  margin-left: auto;
  color: var(--clr-primary);
  font-weight: 600;
  font-size: 0.8rem;
  white-space: nowrap;
}
.read-link:hover { opacity: 0.8; color: var(--clr-primary); }
.empty-state {
  padding: 64px 20px;
  text-align: center;
  color: #8A939E;
  font-size: 0.92rem;
  border-bottom: none;
}
.empty-state p { margin-bottom: 0; }

/* FAQ */
.faq-section {
  background: var(--clr-light-bg);
  padding: 0 0 clamp(3rem, 8vw, 6rem) 0;
}
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-section .section-title { text-align: center; }
.faq-section .section-sub { text-align: center; }
.accordion.custom-faq {
  margin-top: 36px;
}
.accordion-item.custom-faq-item {
  background: #fff;
  border: 1px solid #E8E1D5;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
}
.accordion-button.custom-acc-btn {
  background: transparent;
  color: var(--clr-text-dark);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: none;
  padding: 18px 24px;
  border: none;
}
.accordion-button.custom-acc-btn::after {
  background-image: none;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--clr-primary);
  border-bottom: 2px solid var(--clr-primary);
  transform: rotate(45deg);
  transition: transform 0.3s ease;
}
.accordion-button.custom-acc-btn:not(.collapsed)::after {
  transform: rotate(-135deg);
}
.accordion-button.custom-acc-btn:not(.collapsed) {
  background: rgba(232,163,61,0.04);
  color: #B26E14;
  box-shadow: none;
}
.accordion-button.custom-acc-btn:focus {
  box-shadow: none;
  outline: 2px solid rgba(232,163,61,0.7);
  outline-offset: 2px;
}
.accordion-body.custom-acc-body {
  color: #5B6A7A;
  font-size: 0.88rem;
  line-height: 1.7;
  padding: 0 24px 18px;
  border-top: 1px solid rgba(232,163,61,0.08);
  background: #fff;
}

/* 页脚 */
.site-footer {
  background: var(--clr-base);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 48px 0 24px;
}
.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand { flex: 1; min-width: 260px; }
.footer-brand .brand { font-size: 1.3rem; }
.footer-desc {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin-top: 10px;
  max-width: 320px;
  line-height: 1.6;
}
.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-col h4 {
  font-size: 0.82rem;
  color: var(--clr-text-light);
  margin-bottom: 14px;
  font-weight: 700;
}
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin-bottom: 10px;
  transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--clr-primary); opacity: 1; }
.footer-bottom {
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 8px;
}

/* 通用 focus */
a:focus,
button:focus,
.btn-main:focus,
.btn-ghost:focus,
.chip:focus,
.nav-cta:focus,
.accordion-button:focus {
  outline: 2px solid rgba(232,163,61,0.7);
  outline-offset: 2px;
}

/* 响应式 */
@media (max-width: 1200px) {
  .header-inner { gap: 16px; }
  .chip { padding: 0 14px; }
}
@media (max-width: 992px) {
  .header-inner { gap: 12px; }
  .brand { font-size: 1.05rem; }
  .brand-mark { width: 20px; height: 20px; }
  .nav-chips { justify-content: flex-start; overflow-x: auto; }
  .chip { height: 34px; font-size: 0.8rem; padding: 0 14px; }
  .nav-cta { padding: 0.4rem 0.9rem; font-size: 0.78rem; }
  .guide-inner { flex-direction: column; gap: 32px; }
  .guide-visual { min-height: 260px; }
  .guide-visual img { min-height: 260px; }
}
@media (max-width: 768px) {
  .site-header { height: auto; min-height: 60px; }
  .header-inner { height: auto; min-height: 60px; flex-wrap: nowrap; }
  .brand { font-size: 0.95rem; gap: 6px; }
  .nav-chips { max-width: 46%; }
  .chip { font-size: 0.75rem; padding: 0 10px; height: 30px; }
  .nav-cta { padding: 0.35rem 0.6rem; font-size: 0.72rem; }
  .hero { min-height: 86vh; padding: 60px 0; }
  .hero h1 { font-size: clamp(1.75rem, 6vw, 2.3rem); }
  .hero-sub { font-size: 0.95rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .btn-main, .btn-ghost { width: 100%; max-width: 260px; }
  .reward-grid { flex-direction: column; }
  .reward-card.main { flex: 1 1 auto; }
  .task-panel { padding: 20px; }
  .progress-header { flex-wrap: wrap; }
  .task-row { flex-wrap: wrap; gap: 12px; }
  .task-info { flex: 1 1 100%; }
  .status-badge, .claim-btn { align-self: flex-end; }
  .news-item { flex-direction: column; }
  .news-item img { width: 100%; height: 160px; }
  .news-meta { gap: 8px; }
  .read-link { margin-left: 0; }
  .footer-main { flex-direction: column; }
  .footer-links { gap: 24px; }
}
@media (max-width: 520px) {
  .header-inner { gap: 8px; }
  .brand { font-size: 0.85rem; }
  .nav-cta { font-size: 0.68rem; padding: 0.3rem 0.5rem; }
  .chip { padding: 0 8px; font-size: 0.7rem; height: 28px; }
  .hero { min-height: 80vh; }
  .hero-glow { display: none; }
  .section-title { font-size: 1.4rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category1 */
:root {
            --clr-primary: #E8A33D;
            --clr-base: #0E1420;
            --clr-aux: #3A225D;
            --clr-accent: #2CE5C0;
            --clr-light-bg: #F4EFE7;
            --clr-text-dark: #1E2530;
            --clr-text-light: #F0F2F5;
            --clr-text-muted: #A3ADBB;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-card: 0 2px 8px rgba(14, 20, 32, 0.06);
            --shadow-card-hover: 0 10px 24px rgba(14, 20, 32, 0.12);
            --shadow-dark: 0 12px 32px rgba(0, 0, 0, 0.45);
            --glow-primary: 0 0 20px rgba(232, 163, 61, 0.35);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", sans-serif;
            --section-gap: clamp(3rem, 8vw, 6rem);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 0.95rem;
            line-height: 1.75;
            background: var(--clr-base);
            color: var(--clr-text-dark);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        }
        a:focus-visible,
        button:focus-visible,
        .chip:focus-visible {
            outline: 2px solid var(--clr-primary);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: var(--clr-base);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: 0.02em;
            color: var(--clr-text-light);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 26px;
            height: 26px;
            background: var(--clr-primary);
            transform: rotate(45deg);
            border-radius: 6px;
            display: inline-block;
            box-shadow: 0 0 14px rgba(232, 163, 61, 0.3);
            flex-shrink: 0;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 4px;
        }
        .nav-chips::-webkit-scrollbar {
            display: none;
        }
        .chip {
            display: inline-flex;
            align-items: center;
            height: 38px;
            padding: 0 18px;
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 19px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--clr-text-muted);
            background: transparent;
            white-space: nowrap;
            transition: background 0.2s, color 0.2s, border-color 0.2s;
            position: relative;
        }
        .chip:hover {
            background: rgba(232, 163, 61, 0.08);
            color: var(--clr-primary);
            border-color: rgba(232, 163, 61, 0.3);
        }
        .chip.active {
            background: rgba(232, 163, 61, 0.16);
            color: var(--clr-primary);
            border-color: rgba(232, 163, 61, 0.35);
        }
        .chip.active::after {
            content: "";
            position: absolute;
            bottom: -3px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--clr-primary);
            border-radius: 2px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 42px;
            padding: 0 22px;
            background: var(--clr-primary);
            color: var(--clr-base);
            font-weight: 700;
            font-size: 0.88rem;
            border-radius: 21px;
            white-space: nowrap;
            flex-shrink: 0;
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
        }
        .nav-cta:hover {
            background: #C67F1F;
            color: var(--clr-base);
            transform: translateY(-1px);
            box-shadow: var(--glow-primary);
        }

        /* ===== 分类页 Hero 横幅 ===== */
        .cat-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
        }
        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(14, 20, 32, 0.88) 0%, rgba(14, 20, 32, 0.65) 45%, rgba(14, 20, 32, 0.2) 100%);
        }
        .cat-hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: 60px 0;
        }
        .cat-hero-tag {
            display: inline-block;
            background: rgba(232, 163, 61, 0.16);
            border: 1px solid rgba(232, 163, 61, 0.35);
            color: var(--clr-primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }
        .cat-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3rem);
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--clr-text-light);
            text-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
            margin: 0 0 14px;
        }
        .cat-hero p {
            font-size: 1.05rem;
            color: rgba(240, 242, 245, 0.82);
            margin: 0 0 28px;
            max-width: 560px;
            line-height: 1.8;
        }
        .cat-hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 46px;
            padding: 0 28px;
            background: var(--clr-primary);
            color: var(--clr-base);
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            border-radius: var(--radius-md);
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
        }
        .btn-primary:hover {
            background: #C67F1F;
            color: var(--clr-base);
            transform: translateY(-1px);
            box-shadow: var(--glow-primary);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 46px;
            padding: 0 28px;
            background: transparent;
            color: var(--clr-text-light);
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-md);
            transition: background 0.2s, border-color 0.2s;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(232, 163, 61, 0.5);
            color: var(--clr-primary);
        }

        /* ===== 通用区块间距 ===== */
        section {
            padding: var(--section-gap) 0;
        }

        /* ===== 左文右图 ===== */
        .split-section {
            background: var(--clr-light-bg);
        }
        .split-grid {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 56px;
            align-items: center;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: #B26E14;
            background: rgba(232, 163, 61, 0.12);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .split-text h2 {
            font-size: clamp(1.5rem, 3.2vw, 2.2rem);
            font-weight: 800;
            letter-spacing: 0.01em;
            color: var(--clr-text-dark);
            margin: 0 0 20px;
            line-height: 1.3;
        }
        .split-text p {
            color: #4D5B6B;
            font-size: 0.95rem;
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .check-list {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
        }
        .check-list li {
            position: relative;
            padding-left: 30px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--clr-text-dark);
            margin-bottom: 12px;
        }
        .check-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 1px;
            width: 20px;
            height: 20px;
            background: rgba(232, 163, 61, 0.15);
            color: #B26E14;
            border-radius: 50%;
            font-size: 0.7rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .split-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
            transform: rotate(1deg);
        }
        .split-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }

        /* ===== 两列图文小卡 ===== */
        .dual-card-section {
            background: var(--clr-light-bg);
            padding-top: 0;
        }
        .dual-card-section .section-header {
            margin-bottom: 36px;
        }
        .dual-card-section .section-header h2 {
            font-size: clamp(1.4rem, 2.8vw, 1.9rem);
            font-weight: 800;
            color: var(--clr-text-dark);
            margin: 0 0 8px;
        }
        .dual-card-section .section-header p {
            color: #5B6A7A;
            margin: 0;
            font-size: 0.92rem;
            max-width: 560px;
        }
        .info-card {
            background: #fff;
            border: 1px solid #E8E1D5;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: box-shadow 0.25s, border-color 0.25s, transform 0.25s;
        }
        .info-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(232, 163, 61, 0.5);
            transform: translateY(-3px);
        }
        .info-card-img {
            height: 180px;
            overflow: hidden;
        }
        .info-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s;
        }
        .info-card:hover .info-card-img img {
            transform: scale(1.03);
        }
        .info-card-body {
            padding: 26px;
            position: relative;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .info-card-num {
            position: absolute;
            top: 18px;
            right: 22px;
            font-family: var(--font-num);
            font-size: 2.6rem;
            font-weight: 700;
            color: rgba(232, 163, 61, 0.18);
            line-height: 1;
        }
        .info-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--clr-text-dark);
            margin: 0 0 10px;
            padding-right: 44px;
        }
        .info-card-body p {
            color: #5B6A7A;
            font-size: 0.9rem;
            line-height: 1.8;
            margin: 0 0 18px;
            flex: 1;
        }
        .info-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.86rem;
            font-weight: 700;
            color: #B26E14;
        }
        .info-card-link i {
            transition: transform 0.2s;
        }
        .info-card:hover .info-card-link i {
            transform: translateX(4px);
        }

        /* ===== 步骤流程（深色） ===== */
        .steps-section {
            background: var(--clr-base);
            position: relative;
            overflow: hidden;
        }
        .steps-section::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -120px;
            width: 340px;
            height: 340px;
            background: radial-gradient(circle, rgba(58, 34, 93, 0.55) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .steps-head {
            text-align: center;
            margin-bottom: 52px;
            position: relative;
            z-index: 1;
        }
        .steps-head .section-tag {
            background: rgba(232, 163, 61, 0.14);
            color: var(--clr-primary);
        }
        .steps-head h2 {
            font-size: clamp(1.5rem, 3.2vw, 2.2rem);
            font-weight: 800;
            color: var(--clr-text-light);
            margin: 12px 0 10px;
            letter-spacing: 0.01em;
        }
        .steps-head p {
            color: var(--clr-text-muted);
            font-size: 0.92rem;
            max-width: 480px;
            margin: 0 auto;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            position: relative;
            z-index: 1;
        }
        .step-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            display: flex;
            gap: 22px;
            align-items: flex-start;
            transition: border-color 0.25s, background 0.25s;
        }
        .step-item:nth-child(2) {
            margin-top: 26px;
        }
        .step-item:nth-child(4) {
            margin-top: 26px;
        }
        .step-item:hover {
            border-color: rgba(232, 163, 61, 0.4);
            background: rgba(232, 163, 61, 0.04);
        }
        .step-num {
            font-family: var(--font-num);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--clr-primary);
            line-height: 1;
            min-width: 58px;
            text-align: center;
            background: rgba(232, 163, 61, 0.1);
            border-radius: var(--radius-md);
            padding: 10px 0;
        }
        .step-content {
            flex: 1;
        }
        .step-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--clr-text-light);
            margin: 0 0 8px;
        }
        .step-content p {
            color: var(--clr-text-muted);
            font-size: 0.88rem;
            line-height: 1.75;
            margin: 0;
        }
        .step-status {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 20px;
            background: rgba(44, 229, 192, 0.14);
            color: var(--clr-accent);
            margin-top: 10px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--clr-light-bg);
        }
        .faq-head {
            text-align: center;
            margin-bottom: 44px;
        }
        .faq-head h2 {
            font-size: clamp(1.5rem, 3.2vw, 2rem);
            font-weight: 800;
            color: var(--clr-text-dark);
            margin: 0 0 8px;
        }
        .faq-head p {
            color: #5B6A7A;
            font-size: 0.92rem;
        }
        .custom-accordion {
            max-width: 820px;
            margin: 0 auto;
        }
        .custom-accordion .accordion-item {
            background: #fff;
            border: 1px solid #E8E1D5;
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color 0.25s, box-shadow 0.25s;
        }
        .custom-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(232, 163, 61, 0.45);
            box-shadow: 0 4px 16px rgba(232, 163, 61, 0.08);
        }
        .custom-accordion .accordion-button {
            background: transparent;
            color: var(--clr-text-dark);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 18px 24px;
            box-shadow: none;
            border: none;
            position: relative;
        }
        .custom-accordion .accordion-button::after {
            background-image: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 0.8rem;
            color: #B26E14;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            transition: transform 0.3s;
        }
        .custom-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .custom-accordion .accordion-button:not(.collapsed) {
            background: rgba(232, 163, 61, 0.04);
            color: #B26E14;
        }
        .custom-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .custom-accordion .accordion-body {
            padding: 4px 24px 20px;
            color: #5B6A7A;
            font-size: 0.9rem;
            line-height: 1.8;
            border-top: 1px solid rgba(232, 163, 61, 0.1);
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--clr-base);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.18;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(14, 20, 32, 0.9) 0%, rgba(14, 20, 32, 0.72) 100%);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 620px;
            margin: 0 auto;
            padding: 20px 0;
        }
        .cta-content h2 {
            font-size: clamp(1.5rem, 3.4vw, 2.2rem);
            font-weight: 800;
            color: var(--clr-text-light);
            margin: 0 0 14px;
            letter-spacing: 0.01em;
        }
        .cta-content p {
            color: var(--clr-text-muted);
            font-size: 0.92rem;
            margin: 0 0 30px;
            line-height: 1.8;
        }
        .cta-content .btn-primary {
            height: 50px;
            padding: 0 38px;
            font-size: 0.95rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--clr-base);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 52px 0 0;
            color: var(--clr-text-muted);
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 60px;
            padding-bottom: 40px;
        }
        .footer-brand .brand {
            font-size: 1.3rem;
            color: var(--clr-text-light);
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: 0.86rem;
            color: var(--clr-text-muted);
            line-height: 1.8;
            margin: 0;
            max-width: 320px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .footer-col h4 {
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--clr-text-light);
            margin: 0 0 16px;
        }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            padding: 5px 0;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--clr-primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.78rem;
            color: rgba(163, 173, 187, 0.7);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .split-grid {
                gap: 40px;
            }
        }
        @media (max-width: 991.98px) {
            .header-inner {
                gap: 10px;
            }
            .nav-chips {
                justify-content: flex-start;
            }
            .chip {
                padding: 0 13px;
                font-size: 0.8rem;
                height: 36px;
            }
            .nav-cta {
                padding: 0 14px;
                font-size: 0.82rem;
                gap: 5px;
            }
            .nav-cta span {
                display: none;
            }
            .nav-cta i {
                font-size: 1rem;
            }
            .split-grid {
                grid-template-columns: 1fr;
            }
            .split-image {
                order: -1;
                transform: none;
            }
            .split-image img {
                min-height: 240px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .step-item:nth-child(2),
            .step-item:nth-child(4) {
                margin-top: 0;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-desc {
                max-width: 100%;
            }
        }
        @media (max-width: 767.98px) {
            .cat-hero {
                min-height: 360px;
            }
            .cat-hero-content {
                padding: 44px 0;
            }
            .cat-hero h1 {
                font-size: 1.8rem;
            }
            .cat-hero p {
                font-size: 0.95rem;
            }
            .cat-hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-primary,
            .btn-ghost {
                width: 100%;
                justify-content: center;
            }
            .footer-links {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 575.98px) {
            .brand {
                font-size: 0.95rem;
            }
            .brand-mark {
                width: 22px;
                height: 22px;
            }
            .nav-cta {
                height: 38px;
                padding: 0 12px;
                font-size: 0.78rem;
            }
            .chip {
                padding: 0 12px;
                font-size: 0.76rem;
                height: 34px;
            }
            .info-card-img {
                height: 150px;
            }
            .info-card-body {
                padding: 20px;
            }
            .step-item {
                padding: 22px;
                flex-direction: column;
                gap: 14px;
            }
            .step-num {
                min-width: 44px;
                padding: 6px 0;
                font-size: 1.8rem;
            }
        }

/* roulang page: article */
:root {
  --clr-primary: #E8A33D;
  --clr-primary-dark: #C67F1F;
  --clr-base: #0E1420;
  --clr-aux: #3A225D;
  --clr-accent: #2CE5C0;
  --clr-light-bg: #F4EFE7;
  --clr-soft-bg: #EAE4DA;
  --clr-text-dark: #1E2530;
  --clr-text-light: #F0F2F5;
  --clr-text-muted: #A3ADBB;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 2px 8px rgba(14,20,32,0.06);
  --shadow-hover: 0 10px 24px rgba(14,20,32,0.12);
  --shadow-deep: 0 12px 32px rgba(0,0,0,0.45);
  --glow-primary: 0 0 20px rgba(232,163,61,0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--clr-text-dark);
  background: var(--clr-light-bg);
  line-height: 1.75;
  font-size: 0.95rem;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease, opacity .2s ease;
}

button,
input,
textarea {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: var(--clr-base);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--clr-primary);
  font-weight: 800;
  font-size: 1.24rem;
  letter-spacing: .02em;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand:hover {
  color: var(--clr-primary);
  opacity: .85;
}

.brand-mark {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--clr-primary), #C67F1F);
  border-radius: 10px;
  position: relative;
  transform: rotate(45deg);
  box-shadow: 0 0 18px rgba(232, 163, 61, 0.4);
  flex-shrink: 0;
}

.brand-mark::after {
  content: '';
  position: absolute;
  inset: 7px;
  border-radius: 5px;
  border: 2px solid rgba(14, 20, 32, 0.8);
}

.brand-short {
  display: none;
}

.nav-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  flex-wrap: nowrap;
  scrollbar-width: none;
  flex: 1;
  justify-content: center;
}

.nav-chips::-webkit-scrollbar {
  display: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 19px;
  color: var(--clr-text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
  background: transparent;
  position: relative;
  flex-shrink: 0;
}

.chip:hover {
  background: rgba(232, 163, 61, 0.08);
  color: var(--clr-primary);
  border-color: rgba(232, 163, 61, 0.35);
}

.chip.active {
  background: rgba(232, 163, 61, 0.16);
  color: var(--clr-primary);
  border-color: rgba(232, 163, 61, 0.35);
  box-shadow: inset 0 -2px 0 0 var(--clr-primary);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 22px;
  background: var(--clr-primary);
  color: var(--clr-base);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-cta:hover {
  background: var(--clr-primary-dark);
  color: #fff;
  box-shadow: var(--glow-primary);
  transform: translateY(-1px);
}

.cta-short {
  display: none;
}

.page-tdk {
  background: var(--clr-light-bg);
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(1.5rem, 4vw, 2.4rem);
  border-bottom: 1px solid #E8E1D5;
}

.article-h1 {
  font-family: "DIN Alternate", "Bahnschrift", -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--clr-text-dark);
  margin-bottom: 14px;
  line-height: 1.3;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 0;
  color: var(--clr-text-muted);
  font-size: 0.88rem;
  font-family: "DIN Alternate", "Bahnschrift", -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

.article-meta span {
  margin-right: 14px;
}

.meta-dot::before {
  content: '·';
  margin-right: 14px;
  color: rgba(30, 37, 48, 0.35);
}

.cat-chip {
  display: inline-block;
  background: rgba(232, 163, 61, 0.12);
  color: #B26E14;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.82rem;
  margin-left: 4px;
}

.tdk-note {
  margin: 18px 0 0;
  color: var(--clr-text-muted);
  font-size: 0.88rem;
  max-width: 680px;
  line-height: 1.7;
}

.breadcrumb-bar {
  background: var(--clr-soft-bg);
  padding: 14px 0;
  border-bottom: 1px solid #E8E1D5;
}

.breadcrumb {
  margin: 0;
  --bs-breadcrumb-divider: '›';
}

.breadcrumb-item {
  font-size: 0.86rem;
  font-family: "DIN Alternate", "Bahnschrift", -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: var(--bs-breadcrumb-divider);
  color: rgba(30, 37, 48, 0.35);
  padding: 0 0.6rem;
}

.breadcrumb-item a {
  color: var(--clr-text-muted);
}

.breadcrumb-item a:hover {
  color: var(--clr-primary-dark);
}

.breadcrumb-item.active {
  color: var(--clr-text-dark);
  font-weight: 600;
  max-width: 460px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-body-wrap {
  background: var(--clr-light-bg);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.article-content {
  max-width: 780px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid #E8E1D5;
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 3rem);
  box-shadow: var(--shadow-card);
  color: var(--clr-text-dark);
  font-size: 0.95rem;
  line-height: 1.9;
  word-break: break-word;
}

.article-content > p:first-child {
  font-size: 1.15rem;
  line-height: 1.9;
  color: var(--clr-text-dark);
}

.article-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.8rem;
  padding-left: 12px;
  border-left: 4px solid var(--clr-primary);
  line-height: 1.4;
}

.article-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-top: 1.5rem;
  margin-bottom: 0.6rem;
}

.article-content a {
  color: #B26E14;
  border-bottom: 1px solid rgba(178, 110, 20, 0.3);
}

.article-content a:hover {
  color: var(--clr-primary-dark);
  border-color: var(--clr-primary);
}

.article-content img {
  border-radius: var(--radius-md);
  margin: 1.25rem 0;
  height: auto;
}

.article-content blockquote {
  border-left: 4px solid var(--clr-primary);
  background: #FAF5EC;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  color: #5B6A7A;
  margin: 1.25rem 0;
}

.article-content ul,
.article-content ol {
  padding-left: 1.3rem;
  margin: 1rem 0;
}

.article-content li {
  margin-bottom: 0.4rem;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.9rem;
}

.article-content th,
.article-content td {
  border: 1px solid #E8E1D5;
  padding: 0.6rem 0.75rem;
  text-align: left;
}

.article-content th {
  background: #FAF5EC;
  font-weight: 600;
}

.article-content pre {
  background: var(--clr-base);
  color: var(--clr-text-light);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  margin: 1.25rem 0;
}

.article-content code {
  font-family: "DIN Alternate", "Bahnschrift", Consolas, monospace;
  font-size: 0.85em;
}

.content-missing {
  text-align: center;
  padding: 3rem 1.5rem;
}

.content-missing h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.content-missing p {
  color: var(--clr-text-muted);
  margin-bottom: 1.5rem;
}

.btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 30px;
  background: var(--clr-primary);
  color: var(--clr-base);
  font-weight: 700;
  font-size: 0.92rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
}

.btn-main:hover {
  background: var(--clr-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--glow-primary);
}

.article-footer-nav {
  max-width: 780px;
  margin: 1.5rem auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.article-footer-nav a {
  background: #fff;
  border: 1px solid #E8E1D5;
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  color: var(--clr-text-dark);
  font-weight: 600;
  font-size: 0.92rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all .25s ease;
}

.article-footer-nav a:hover {
  border-color: rgba(232, 163, 61, 0.5);
  box-shadow: var(--shadow-hover);
  color: var(--clr-primary-dark);
  transform: translateY(-2px);
}

.article-footer-nav a small {
  color: var(--clr-text-muted);
  font-weight: 500;
  font-size: 0.78rem;
}

.related-section {
  background: var(--clr-soft-bg);
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  border-top: 1px solid #E8E1D5;
}

.section-title {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--clr-text-dark);
  margin-bottom: 0.4rem;
}

.section-sub {
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.6rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.related-card {
  display: block;
  background: #fff;
  border: 1px solid #E8E1D5;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all .25s ease;
}

.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(232, 163, 61, 0.5);
}

.related-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}

.related-card-body {
  padding: 1rem 1.15rem 1.2rem;
}

.related-card-body h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--clr-text-dark);
}

.related-card-body p {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin: 0;
  line-height: 1.6;
}

.related-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--clr-primary-dark);
  font-size: 0.84rem;
  font-weight: 600;
}

.related-card:hover .related-link {
  color: var(--clr-primary-dark);
  opacity: .8;
}

.related-bottom {
  text-align: center;
  margin-top: 1.75rem;
}

.related-bottom a {
  display: inline-block;
  color: var(--clr-text-muted);
  font-size: 0.88rem;
  border-bottom: 1px solid rgba(30, 37, 48, 0.2);
  padding-bottom: 2px;
}

.related-bottom a:hover {
  color: var(--clr-primary-dark);
  border-color: var(--clr-primary);
}

.site-footer {
  background: var(--clr-base);
  color: var(--clr-text-muted);
  padding: clamp(2.5rem, 5vw, 4rem) 0 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .brand {
  color: var(--clr-primary);
  font-size: 1.2rem;
}

.footer-desc {
  margin: 14px 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 420px;
  color: var(--clr-text-muted);
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.footer-col h4 {
  color: var(--clr-text-light);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: .02em;
}

.footer-col a {
  display: block;
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  padding: 3px 0;
}

.footer-col a:hover {
  color: var(--clr-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.25rem;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
}

@media (max-width: 1199.98px) {
  .nav-chips {
    justify-content: flex-start;
  }
}

@media (max-width: 991.98px) {
  .header-inner {
    height: 64px;
    gap: 12px;
  }

  .brand {
    font-size: 1.05rem;
  }

  .brand-mark {
    width: 28px;
    height: 28px;
  }

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

@media (max-width: 767.98px) {
  .article-footer-nav {
    grid-template-columns: 1fr;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

@media (max-width: 575.98px) {
  .brand-name {
    display: none;
  }

  .brand-short {
    display: inline-block;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--clr-primary);
  }

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

  .nav-cta {
    padding: 0 14px;
    height: 36px;
  }

  .cta-full {
    display: none;
  }

  .cta-short {
    display: inline;
    font-size: 0.8rem;
    font-weight: 700;
  }

  .chip {
    padding: 0 14px;
    height: 36px;
    font-size: 0.84rem;
  }

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

  .breadcrumb-item.active {
    max-width: 180px;
  }

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

/* roulang page: category2 */
:root {
  --clr-primary: #E8A33D;
  --clr-base: #0E1420;
  --clr-aux: #3A225D;
  --clr-accent: #2CE5C0;
  --clr-light-bg: #F4EFE7;
  --clr-text-dark: #1E2530;
  --clr-text-light: #F0F2F5;
  --clr-text-muted: #A3ADBB;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 2px 8px rgba(14,20,32,0.06);
  --shadow-card-hover: 0 10px 24px rgba(14,20,32,0.12);
  --shadow-dark: 0 12px 32px rgba(0,0,0,0.45);
  --glow-primary: 0 0 20px rgba(232,163,61,0.35);
  --transition-base: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--clr-text-dark);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button,
input {
  font-family: inherit;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  line-height: 1.3;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: var(--clr-base);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

.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;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--clr-primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
  line-height: 1.2;
}

.brand-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--clr-primary), #C67F1F);
  border-radius: 10px;
  position: relative;
  display: inline-block;
}

.brand-mark::after {
  content: '';
  position: absolute;
  inset: 8px;
  background: var(--clr-base);
  border-radius: 6px;
  transform: rotate(45deg);
}

.nav-chips {
  display: inline-flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nav-chips::-webkit-scrollbar {
  display: none;
}

.nav-chips .chip {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 18px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 19px;
  background: transparent;
  color: var(--clr-text-light);
  font-size: 0.87rem;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition-base);
  letter-spacing: 0.01em;
}

.nav-chips .chip:hover {
  background: rgba(232,163,61,0.08);
  color: var(--clr-primary);
  border-color: rgba(232,163,61,0.35);
}

.nav-chips .chip.active {
  background: rgba(232,163,61,0.16);
  color: var(--clr-primary);
  border-color: rgba(232,163,61,0.35);
  box-shadow: inset 0 -2px 0 rgba(232,163,61,0.35);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 20px;
  background: var(--clr-primary);
  color: #0E1420;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.88rem;
  white-space: nowrap;
  transition: var(--transition-base);
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.nav-cta:hover {
  background: #C67F1F;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--glow-primary);
}

/* ===== 分类 Hero ===== */
.category-hero {
  position: relative;
  min-height: 420px;
  background: var(--clr-base);
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(14,20,32,0.92) 0%, rgba(14,20,32,0.7) 45%, rgba(14,20,32,0.2) 100%);
  z-index: 1;
}

.category-hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: 10%;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(58,34,93,0.6) 0%, transparent 70%);
  z-index: 1;
}

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

.category-hero-content {
  max-width: 720px;
  padding: 80px 0;
}

.category-hero-content .hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  background: rgba(232,163,61,0.15);
  border: 1px solid rgba(232,163,61,0.35);
  border-radius: var(--radius-sm);
  color: var(--clr-primary);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.category-hero-content h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  font-weight: 800;
  color: var(--clr-text-light);
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  text-shadow: 0 4px 24px rgba(0,0,0,0.45);
  line-height: 1.2;
}

.category-hero-content p {
  font-size: 1.05rem;
  color: rgba(240,242,245,0.84);
  max-width: 560px;
  margin-bottom: 0;
  line-height: 1.8;
}

/* ===== 通栏说明 ===== */
.section-light {
  background: var(--clr-light-bg);
  padding: clamp(3rem, 8vw, 5rem) 0;
}

.category-intro {
  position: relative;
}

.intro-block {
  max-width: 860px;
}

.intro-block h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  color: var(--clr-text-dark);
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}

.intro-block h2 span {
  color: var(--clr-primary);
}

.intro-block p {
  font-size: 0.98rem;
  color: #3A4553;
  line-height: 1.85;
  margin-bottom: 18px;
}

.intro-block p:last-child {
  margin-bottom: 0;
}

.intro-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid #E8E1D5;
  flex-wrap: wrap;
}

.intro-stat {
  text-align: left;
}

.intro-stat .num {
  font-family: "DIN Alternate", "Bahnschrift", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--clr-primary);
  line-height: 1.2;
}

.intro-stat .label {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  margin-top: 4px;
}

/* ===== 任务面板 ===== */
.section-dark {
  background: var(--clr-base);
  padding: clamp(3rem, 8vw, 5rem) 0;
  position: relative;
}

.section-dark::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(232,163,61,0.3), transparent);
}

.play-guide-panel {
  overflow: hidden;
}

.play-guide-panel::after {
  content: '';
  position: absolute;
  top: 20%;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(58,34,93,0.5) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}

.panel-header h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  color: var(--clr-text-light);
  margin-bottom: 0;
  letter-spacing: 0.01em;
}

.panel-header .progress-summary {
  display: flex;
  align-items: center;
  gap: 14px;
}

.panel-header .progress-summary .progress-label {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}

.panel-header .progress-summary .progress-percent {
  font-family: "DIN Alternate", "Bahnschrift", sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-primary);
}

.panel-total-progress {
  width: 220px;
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  overflow: hidden;
}

.panel-total-progress .bar {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-primary), #F0C060);
  border-radius: 3px;
}

.task-list {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.task-row {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  transition: var(--transition-base);
}

.task-row:hover {
  border-color: rgba(232,163,61,0.4);
  background: rgba(232,163,61,0.04);
}

.task-info {
  flex: 1;
  min-width: 200px;
}

.task-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-text-light);
  margin-bottom: 8px;
}

.task-progress {
  height: 5px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  overflow: hidden;
  max-width: 320px;
}

.task-progress .fill {
  height: 100%;
  border-radius: 3px;
}

.fill-gold {
  background: linear-gradient(90deg, var(--clr-primary), #F0C060);
}

.fill-green {
  background: var(--clr-accent);
}

.fill-light {
  background: rgba(255,255,255,0.35);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.status-badge.done {
  background: rgba(232,163,61,0.15);
  color: var(--clr-primary);
  border: 1px solid rgba(232,163,61,0.3);
}

.status-badge.claimable {
  background: rgba(44,229,192,0.12);
  color: var(--clr-accent);
  border: 1px solid rgba(44,229,192,0.35);
}

.status-badge.pending {
  background: rgba(255,255,255,0.08);
  color: var(--clr-text-muted);
  border: 1px solid rgba(255,255,255,0.14);
}

.task-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: default;
  transition: var(--transition-base);
  line-height: 1.4;
}

.task-btn.primary-btn {
  background: var(--clr-primary);
  color: #0E1420;
}

.task-btn.primary-btn:hover {
  background: #C67F1F;
  color: #fff;
  box-shadow: var(--glow-primary);
  transform: translateY(-1px);
}

.task-btn.outline-btn {
  background: transparent;
  border-color: rgba(255,255,255,0.3);
  color: var(--clr-text-light);
}

.task-btn.outline-btn:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: rgba(232,163,61,0.08);
}

.task-btn.ghost-btn {
  background: transparent;
  border-color: transparent;
  color: var(--clr-text-muted);
}

.task-btn.icon-btn {
  padding: 6px 10px;
}

.task-btn .check-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  position: relative;
}

.task-btn .check-icon::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--clr-primary);
  border-bottom: 2px solid var(--clr-primary);
  transform: rotate(-45deg);
}

/* ===== 标签云 ===== */
.tag-section {
  background: var(--clr-light-bg);
  padding: clamp(3rem, 8vw, 5rem) 0;
}

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

.section-head h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  color: var(--clr-text-dark);
  margin-bottom: 8px;
}

.section-head .sub {
  font-size: 0.92rem;
  color: #5B6A7A;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-cloud .tag-item {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  background: #fff;
  border: 1px solid #E8E1D5;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: #2A3441;
  transition: var(--transition-base);
  cursor: default;
}

.tag-cloud .tag-item:hover {
  border-color: rgba(232,163,61,0.5);
  color: var(--clr-primary);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.tag-cloud .tag-item .tag-count {
  font-family: "DIN Alternate", "Bahnschrift", sans-serif;
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  margin-left: 6px;
  background: rgba(14,20,32,0.04);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ===== 宽卡列表 ===== */
.feature-cards {
  background: var(--clr-light-bg);
  padding: 0 0 clamp(3rem, 8vw, 5rem) 0;
}

.wide-card-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.wide-card {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid #E8E1D5;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
}

.wide-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(232,163,61,0.5);
  transform: translateY(-2px);
}

.wide-card-thumb {
  width: 180px;
  height: 130px;
  flex-shrink: 0;
  overflow: hidden;
}

.wide-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.wide-card:hover .wide-card-thumb img {
  transform: scale(1.04);
}

.wide-card-body {
  flex: 1;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wide-card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-text-dark);
  margin-bottom: 0;
}

.wide-card-body p {
  font-size: 0.88rem;
  color: #5B6A7A;
  margin-bottom: 0;
  line-height: 1.65;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--clr-primary);
  margin-top: 4px;
  transition: var(--transition-base);
}

.card-link:hover {
  gap: 10px;
  color: #C67F1F;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--clr-light-bg);
  padding: 0 0 clamp(3rem, 8vw, 5rem) 0;
}

.accordion-custom {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.accordion-custom .accordion-item {
  background: #fff;
  border: 1px solid #E8E1D5;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
}

.accordion-custom .accordion-item:has(.accordion-button:not(.collapsed)) {
  border-left: 3px solid var(--clr-primary);
  background: rgba(232,163,61,0.02);
}

.accordion-custom .accordion-button {
  background: transparent;
  color: var(--clr-text-dark);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 16px 20px;
  box-shadow: none;
  border: none;
  transition: var(--transition-base);
}

.accordion-custom .accordion-button:not(.collapsed) {
  color: #B26E14;
  background: transparent;
}

.accordion-custom .accordion-button:focus {
  box-shadow: none;
  outline: 2px solid var(--clr-primary);
  outline-offset: -2px;
}

.accordion-custom .accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23B26E14' stroke-width='2'%3E%3Cpath d='M8 3v10M3 8h10'/%3E%3C/svg%3E");
  transition: transform 0.3s ease;
}

.accordion-custom .accordion-button:not(.collapsed)::after {
  transform: rotate(45deg);
}

.accordion-custom .accordion-body {
  padding: 0 20px 20px;
  color: #5B6A7A;
  font-size: 0.9rem;
  line-height: 1.7;
  border-top: 1px solid rgba(232,225,213,0.6);
}

/* ===== CTA ===== */
.cta-banner {
  position: relative;
  padding: clamp(3rem, 7vw, 5rem) 0;
  background: var(--clr-base);
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  text-align: center;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14,20,32,0.82) 0%, rgba(14,20,32,0.94) 100%);
  z-index: 1;
}

.cta-banner .container {
  position: relative;
  z-index: 2;
}

.cta-banner h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--clr-text-light);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.cta-banner p {
  color: rgba(240,242,245,0.76);
  font-size: 0.95rem;
  max-width: 520px;
  margin: 0 auto 28px;
}

.cta-banner .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 36px;
  background: var(--clr-primary);
  color: #0E1420;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition-base);
  border: 1px solid transparent;
}

.cta-banner .btn-primary:hover {
  background: #C67F1F;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--glow-primary);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--clr-base);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 56px 0 0;
  color: var(--clr-text-muted);
}

.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 360px;
}

.footer-brand .brand {
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.footer-desc {
  font-size: 0.87rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: 40px;
}

.footer-col h4 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--clr-text-light);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  padding: 4px 0;
  transition: var(--transition-base);
}

.footer-col a:hover {
  color: var(--clr-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: rgba(163,173,187,0.8);
}

.footer-bottom span:last-child {
  text-align: right;
}

/* ===== 焦点可见性 ===== */
a:focus-visible,
button:focus-visible,
.accordion-button:focus-visible {
  outline: 2px solid var(--clr-primary) !important;
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 响应式 ===== */
@media (max-width: 1199.98px) {
  .container {
    max-width: 960px;
  }

  .wide-card-thumb {
    width: 150px;
    height: 115px;
  }
}

@media (max-width: 991.98px) {
  .site-header {
    height: auto;
  }

  .header-inner {
    flex-wrap: wrap;
    min-height: 72px;
    padding: 10px 0;
    gap: 8px;
  }

  .nav-chips {
    width: 100%;
    order: 3;
    padding: 4px 0;
  }

  .header-inner .brand,
  .header-inner .nav-cta {
    flex-shrink: 0;
  }

  .category-hero {
    min-height: 360px;
  }

  .category-hero-content {
    padding: 60px 0;
  }

  .task-row {
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px;
  }

  .task-info {
    min-width: 100%;
  }

  .task-progress {
    max-width: none;
  }

  .status-badge {
    order: 2;
  }

  .task-btn {
    order: 3;
    margin-left: auto;
  }

  .panel-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .panel-total-progress {
    width: 100%;
    max-width: 320px;
  }

  .wide-card {
    flex-direction: column;
  }

  .wide-card-thumb {
    width: 100%;
    height: 180px;
  }

  .footer-main {
    flex-direction: column;
    gap: 32px;
  }

  .footer-links {
    gap: 32px;
    flex-wrap: wrap;
  }
}

@media (max-width: 767.98px) {
  .header-inner {
    gap: 6px;
  }

  .brand {
    font-size: 0.95rem;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .brand-mark::after {
    inset: 7px;
  }

  .nav-cta {
    padding: 0 14px;
    height: 36px;
    font-size: 0.82rem;
  }

  .nav-chips .chip {
    height: 34px;
    padding: 0 14px;
    font-size: 0.82rem;
  }

  .category-hero {
    min-height: 320px;
  }

  .category-hero-content {
    padding: 48px 0;
  }

  .category-hero-content h1 {
    font-size: clamp(1.8rem, 7vw, 2.4rem);
  }

  .categories-hero-p {
    font-size: 0.92rem;
  }

  .intro-stats {
    gap: 20px;
  }

  .intro-stat .num {
    font-size: 1.5rem;
  }

  .task-btn {
    padding: 6px 14px;
    font-size: 0.78rem;
  }

  .wide-card-thumb {
    height: 150px;
  }

  .wide-card-body {
    padding: 16px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-bottom span:last-child {
    text-align: center;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 14px;
    padding-right: 14px;
  }

  .category-hero-content .hero-badge {
    font-size: 0.72rem;
  }

  .category-hero-content p {
    font-size: 0.9rem;
  }

  .task-row {
    padding: 14px;
  }

  .status-badge {
    font-size: 0.72rem;
    padding: 2px 10px;
  }

  .tag-cloud .tag-item {
    padding: 6px 14px;
    font-size: 0.82rem;
  }

  .accordion-custom .accordion-button {
    font-size: 0.88rem;
    padding: 14px 16px;
  }
}

/* roulang page: category3 */
:root {
            --clr-primary: #E8A33D;
            --clr-base: #0E1420;
            --clr-aux: #3A225D;
            --clr-accent: #2CE5C0;
            --clr-light-bg: #F4EFE7;
            --clr-text-dark: #1E2530;
            --clr-text-light: #F0F2F5;
            --clr-text-muted: #A3ADBB;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-card: 0 2px 8px rgba(14, 20, 32, 0.06);
            --shadow-card-hover: 0 10px 24px rgba(14, 20, 32, 0.12);
            --shadow-dark: 0 12px 32px rgba(0, 0, 0, 0.45);
            --glow-amber: 0 0 20px rgba(232, 163, 61, 0.35);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: #fff;
            color: var(--clr-text-dark);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }

        a:hover {
            color: inherit;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 0;
        }

        p {
            margin-top: 0;
        }

        :focus-visible {
            outline: 2px solid var(--clr-primary);
            outline-offset: 2px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: var(--clr-base);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--clr-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .brand-mark {
            width: 14px;
            height: 14px;
            background: var(--clr-primary);
            display: inline-block;
            transform: rotate(45deg);
            border-radius: 3px;
            box-shadow: 0 0 12px rgba(232, 163, 61, 0.6);
            flex-shrink: 0;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 0 4px;
        }

        .nav-chips::-webkit-scrollbar {
            display: none;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            height: 38px;
            padding: 0 18px;
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 19px;
            background: transparent;
            color: var(--clr-text-muted);
            font-size: 0.88rem;
            font-weight: 500;
            white-space: nowrap;
            transition: background .25s ease, color .25s ease, border-color .25s ease;
        }

        .chip:hover {
            background: rgba(232, 163, 61, 0.08);
            color: var(--clr-primary);
            border-color: rgba(232, 163, 61, 0.4);
        }

        .chip.active {
            background: rgba(232, 163, 61, 0.16);
            color: var(--clr-primary);
            border-color: rgba(232, 163, 61, 0.35);
            font-weight: 600;
            position: relative;
        }

        .chip.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: -1px;
            height: 2px;
            background: var(--clr-primary);
            border-radius: 2px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 22px;
            background: var(--clr-primary);
            color: var(--clr-text-dark);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 700;
            white-space: nowrap;
            flex-shrink: 0;
            border: none;
            transition: all .3s ease;
        }

        .nav-cta:hover {
            background: #C67F1F;
            color: #1E2530;
            transform: translateY(-1px);
            box-shadow: var(--glow-amber);
        }

        /* ===== 分类 Banner ===== */
        .category-banner {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            background: var(--clr-base);
            overflow: hidden;
        }

        .category-banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 0;
        }

        .category-banner-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(14, 20, 32, 0.92) 0%, rgba(14, 20, 32, 0.65) 45%, rgba(14, 20, 32, 0.2) 100%);
        }

        .category-banner .container {
            position: relative;
            z-index: 1;
        }

        .category-banner-content {
            max-width: 720px;
            padding: 60px 0;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            height: 30px;
            padding: 0 14px;
            background: rgba(232, 163, 61, 0.16);
            border: 1px solid rgba(232, 163, 61, 0.4);
            border-radius: 15px;
            color: var(--clr-primary);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .category-banner h1 {
            font-size: clamp(2.2rem, 5.5vw, 3.8rem);
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--clr-text-light);
            text-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
            margin-bottom: 16px;
        }

        .banner-desc {
            font-size: 1rem;
            color: rgba(240, 242, 245, 0.82);
            line-height: 1.8;
            max-width: 600px;
            margin-bottom: 32px;
        }

        .banner-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            background: var(--clr-primary);
            color: #1E2530;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 700;
            border: none;
            transition: all .3s ease;
            box-shadow: 0 2px 8px rgba(232, 163, 61, 0.25);
        }

        .btn-main:hover {
            background: #C67F1F;
            color: #1E2530;
            transform: translateY(-1px);
            box-shadow: var(--glow-amber);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            background: transparent;
            color: var(--clr-text-light);
            border: 1px solid rgba(255, 255, 255, 0.45);
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            transition: all .3s ease;
        }

        .btn-ghost:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary);
            background: rgba(232, 163, 61, 0.08);
        }

        /* ===== 分类概述 + 标签云 ===== */
        .category-overview {
            background: var(--clr-light-bg);
            padding: clamp(3rem, 8vw, 6rem) 0 1rem;
        }

        .overview-lead {
            max-width: 780px;
            margin-bottom: 36px;
        }

        .overview-lead h2 {
            font-size: clamp(1.5rem, 3.2vw, 2.2rem);
            font-weight: 700;
            color: var(--clr-text-dark);
            letter-spacing: 0.01em;
            margin-bottom: 12px;
        }

        .overview-lead p {
            font-size: 0.95rem;
            color: #5B6A7A;
            line-height: 1.85;
            margin-bottom: 0;
        }

        .tag-cloud {
            margin-top: 40px;
        }

        .tag-cloud-head {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .tag-cloud-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--clr-text-dark);
        }

        .tag-cloud-sub {
            font-size: 0.82rem;
            color: #8A97A8;
        }

        .tag-cloud-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 16px;
            background: #fff;
            border: 1px solid #E8E1D5;
            border-radius: 18px;
            font-size: 0.85rem;
            color: #4A5568;
            transition: all .25s ease;
        }

        .tag-item:hover {
            border-color: rgba(232, 163, 61, 0.55);
            color: #B26E14;
            background: rgba(232, 163, 61, 0.06);
            transform: translateY(-1px);
        }

        /* ===== 宽卡列表 ===== */
        .reward-list-section {
            background: var(--clr-light-bg);
            padding: 2rem 0 clamp(3rem, 8vw, 6rem);
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 3.2vw, 2.2rem);
            font-weight: 700;
            color: var(--clr-text-dark);
            letter-spacing: 0.01em;
            margin-bottom: 4px;
        }

        .section-head p {
            font-size: 0.9rem;
            color: #8A97A8;
            margin: 0;
        }

        .reward-card-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .reward-card {
            display: flex;
            align-items: center;
            gap: 24px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid #E8E1D5;
            transition: all .3s ease;
            position: relative;
        }

        .reward-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(232, 163, 61, 0.5);
            transform: translateY(-2px);
        }

        .reward-card-icon {
            width: 104px;
            height: 104px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--clr-light-bg);
            border: 1px solid #E8E1D5;
        }

        .reward-card-icon img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .reward-card:hover .reward-card-icon img {
            transform: scale(1.04);
        }

        .reward-card-content {
            flex: 1;
            min-width: 0;
        }

        .reward-card-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--clr-text-dark);
            margin-bottom: 4px;
        }

        .reward-card-content p {
            font-size: 0.88rem;
            color: #5B6A7A;
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .mini-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .mini-tag {
            display: inline-flex;
            align-items: center;
            height: 24px;
            padding: 0 10px;
            background: #F4EFE7;
            border-radius: 12px;
            font-size: 0.75rem;
            color: #5B6A7A;
            border: 1px solid #E8E1D5;
        }

        .reward-card-arrow {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(232, 163, 61, 0.1);
            color: #B26E14;
            font-size: 1.1rem;
            flex-shrink: 0;
            transition: all .3s ease;
            border: 1px solid rgba(232, 163, 61, 0.25);
        }

        .reward-card-arrow:hover {
            background: var(--clr-primary);
            color: #1E2530;
            transform: translateX(4px);
            box-shadow: var(--glow-amber);
        }

        /* ===== 流程模块 ===== */
        .reward-flow-section {
            background: var(--clr-base);
            padding: clamp(3rem, 8vw, 6rem) 0;
            position: relative;
            overflow: hidden;
        }

        .reward-flow-section::before {
            content: '';
            position: absolute;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(58, 34, 93, 0.55), transparent 70%);
            top: -100px;
            right: -80px;
            z-index: 0;
        }

        .reward-flow-section .container {
            position: relative;
            z-index: 1;
        }

        .reward-flow-section .section-head h2 {
            color: var(--clr-text-light);
        }

        .reward-flow-section .section-head p {
            color: var(--clr-text-muted);
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 44px;
        }

        .flow-step {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            transition: all .3s ease;
        }

        .flow-step:hover {
            border-color: rgba(232, 163, 61, 0.4);
            background: rgba(232, 163, 61, 0.04);
        }

        .flow-step-num {
            font-family: var(--font-num);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--clr-primary);
            line-height: 1;
            margin-bottom: 14px;
            opacity: 0.85;
        }

        .flow-step h3 {
            color: var(--clr-text-light);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .flow-step p {
            color: var(--clr-text-muted);
            font-size: 0.86rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--clr-light-bg);
            padding: clamp(3rem, 8vw, 6rem) 0;
        }

        .faq-section .section-head h2 {
            color: var(--clr-text-dark);
        }

        .faq-section .section-head p {
            color: #8A97A8;
        }

        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-accordion .accordion-item {
            background: #fff;
            border: 1px solid #E8E1D5 !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .faq-accordion .accordion-button {
            background: #fff;
            color: var(--clr-text-dark);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 1rem 1.25rem;
            border: none;
            box-shadow: none;
            transition: background .25s ease, color .25s ease;
        }

        .faq-accordion .accordion-button:hover {
            background: rgba(232, 163, 61, 0.03);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(232, 163, 61, 0.04);
            color: #B26E14;
            box-shadow: none;
            border-left: 3px solid var(--clr-primary);
            border-top-left-radius: var(--radius-md) !important;
            border-bottom-left-radius: 0;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--clr-primary);
            outline-offset: 2px;
        }

        .faq-accordion .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23B26E14'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
            background-size: 16px;
            transition: transform .3s ease;
            width: 20px;
            height: 20px;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .faq-accordion .accordion-body {
            padding: 1rem 1.25rem 1.25rem;
            font-size: 0.9rem;
            color: #4A5568;
            line-height: 1.75;
            border-top: 1px solid #F0EAE0;
        }

        /* ===== CTA ===== */
        .cta-banner {
            background: var(--clr-base);
            padding: clamp(3rem, 8vw, 5.5rem) 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
        }

        .cta-banner .container {
            position: relative;
            z-index: 1;
        }

        .cta-banner h2 {
            font-size: clamp(1.6rem, 4vw, 2.6rem);
            font-weight: 800;
            color: var(--clr-text-light);
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }

        .cta-banner p {
            font-size: 0.95rem;
            color: var(--clr-text-muted);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-banner .btn-main {
            min-width: 180px;
            height: 52px;
            font-size: 1rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--clr-base);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 48px 0 24px;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 48px;
            margin-bottom: 36px;
        }

        .footer-brand .brand {
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: var(--clr-text-muted);
            line-height: 1.75;
            max-width: 340px;
            margin: 0;
        }

        .footer-links {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .footer-col h4 {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--clr-text-light);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--clr-text-muted);
            padding: 4px 0;
            transition: color .25s ease;
        }

        .footer-col a:hover {
            color: var(--clr-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: rgba(163, 173, 187, 0.75);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .header-inner {
                gap: 10px;
            }

            .nav-chips {
                flex: 1;
            }

            .chip {
                padding: 0 14px;
                font-size: 0.82rem;
            }

            .nav-cta {
                padding: 0 16px;
                font-size: 0.82rem;
            }

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

        @media (max-width: 767.98px) {
            .site-header {
                height: auto;
                padding: 10px 0;
            }

            .header-inner {
                flex-wrap: wrap;
                row-gap: 8px;
            }

            .brand {
                font-size: 1rem;
            }

            .nav-chips {
                order: 3;
                flex-basis: 100%;
                padding-bottom: 4px;
            }

            .nav-cta {
                margin-left: auto;
            }

            .category-banner {
                min-height: 400px;
            }

            .category-banner-content {
                padding: 48px 0;
            }

            .banner-actions {
                gap: 12px;
            }

            .btn-main,
            .btn-ghost {
                padding: 0 24px;
                height: 44px;
            }

            .reward-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
                padding: 20px;
            }

            .reward-card-icon {
                width: 100%;
                height: 160px;
            }

            .reward-card-arrow {
                position: absolute;
                top: 16px;
                right: 16px;
                width: 38px;
                height: 38px;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-links {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 575.98px) {
            .category-banner {
                min-height: 360px;
            }

            .category-banner h1 {
                font-size: 2rem;
            }

            .banner-desc {
                font-size: 0.9rem;
            }

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

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .tag-cloud-list {
                gap: 8px;
            }

            .tag-item {
                height: 32px;
                padding: 0 12px;
                font-size: 0.8rem;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 4px;
            }
        }