/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #0E3B3A;
  --primary-dark: #092A29;
  --secondary: #C9A24B;
  --secondary-light: #E5CD8F;
  --accent: #E2593F;
  --bg-warm: #FAF7F2;
  --bg-ink: #101414;
  --text-main: #2B2B2B;
  --text-sub: #6E6A63;
  --border: #E5DFD5;
  --placeholder: #ECE7DE;
  --white: #FFFFFF;
  --radius-card: 12px;
  --radius-image: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 24px rgba(16, 20, 20, 0.06);
  --shadow-card-hover: 0 16px 32px rgba(16, 20, 20, 0.12);
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ========== Reset & Base ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background-color: var(--bg-warm);
  margin: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--secondary);
}

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

/* ========== 容器 ========== */
.container {
  max-width: 1280px;
  padding-left: 24px;
  padding-right: 24px;
}

/* ========== 顶部信息条 ========== */
.topbar {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
  height: 40px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.topbar-domain {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}

.topbar-domain i {
  color: var(--secondary);
  font-size: 12px;
}

.topbar-tip {
  color: rgba(255, 255, 255, 0.55);
  margin-left: 10px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar-actions a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.2s ease;
}

.topbar-actions a:hover {
  color: var(--secondary-light);
}

@media (max-width: 767.98px) {
  .topbar-tip {
    display: none;
  }
  .topbar-actions a:first-child {
    display: none;
  }
}

/* ========== 主导航 ========== */
.main-nav {
  background: var(--bg-warm);
  padding: 0;
  min-height: 76px;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.main-nav.scrolled {
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border), 0 8px 24px rgba(16, 20, 20, 0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  position: relative;
}

/* Logo */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-badge {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--secondary);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 23px;
  border-radius: 50%;
  transition: width 0.3s ease, height 0.3s ease, font-size 0.3s ease;
}

.brand-name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 22px;
  color: var(--primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: font-size 0.3s ease;
}

.main-nav.scrolled .brand-badge {
  width: 32px;
  height: 32px;
  font-size: 18px;
}

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

/* 导航链接 */
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links .nav-link {
  color: var(--text-main);
  font-size: 15px;
  font-weight: 500;
  padding: 30px 0 26px;
  position: relative;
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-links .nav-link:hover,
.nav-links .nav-link.active {
  color: var(--primary);
}

.nav-links .nav-link::after {
  content: "";
  position: absolute;
  bottom: 10px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
  transition: width 0.25s ease;
}

.nav-links .nav-link:hover::after,
.nav-links .nav-link.active::after {
  width: 100%;
}

/* 导航 CTA */
.nav-cta {
  margin-left: 24px;
  flex-shrink: 0;
}

/* 折叠按钮 */
.nav-toggle {
  border: none;
  background: transparent;
  color: var(--primary);
  font-size: 22px;
  padding: 8px 10px;
  border-radius: 8px;
  line-height: 1;
}

.nav-toggle:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.3);
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-warm);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 32px rgba(16, 20, 20, 0.08);
    padding: 16px 24px 24px;
    z-index: 999;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-links .nav-link {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 17px;
  }

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

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

  .nav-cta {
    margin: 16px 0 0;
    width: 100%;
    text-align: center;
  }
}

/* ========== 按钮 ========== */
.btn {
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 16px;
  padding: 12px 30px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  line-height: 1.4;
}

.btn:focus,
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.35);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-accent:hover {
  background: #ed6d55;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(226, 89, 63, 0.28);
}

.btn-accent:active {
  transform: translateY(0);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15);
}

.btn-dark-teal {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn-dark-teal:hover {
  background: #164a49;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14, 59, 58, 0.2);
}

.btn-outline-teal {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-teal:hover {
  background: var(--primary);
  color: #fff;
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover {
  background: #fff;
  color: var(--bg-ink);
  border-color: #fff;
}

.btn-lg {
  padding: 16px 44px;
  font-size: 17px;
}

.btn-xl {
  padding: 18px 56px;
  font-size: 18px;
  border-radius: 50px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

.btn i {
  font-size: 0.9em;
}

/* ========== 徽标 ========== */
.badge {
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  letter-spacing: 0.02em;
}

.badge-gold {
  background: rgba(201, 162, 75, 0.12);
  color: #8a6d2a;
  border: 1px solid rgba(201, 162, 75, 0.3);
}

.badge-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.badge-warm {
  background: rgba(226, 89, 63, 0.1);
  color: var(--accent);
  border: 1px solid rgba(226, 89, 63, 0.25);
}

/* ========== 区块标题 ========== */
.section {
  padding: 96px 0;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 52px;
}

.section-number {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 0.06em;
  line-height: 1;
  flex-shrink: 0;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0;
  letter-spacing: 0.03em;
}

.section-header::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border), transparent);
}

.section-header-center {
  justify-content: center;
}

.section-header-center::before {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to left, var(--border), transparent);
}

.section-header-center::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border), transparent);
}

.section-desc {
  color: var(--text-sub);
  font-size: 15px;
  margin-top: 8px;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-ink);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.55;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 20, 20, 0.5) 0%, rgba(16, 20, 20, 0.82) 100%);
  z-index: 1;
}

.hero-watermark {
  position: absolute;
  right: 2%;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-serif);
  font-size: 28vw;
  font-weight: 700;
  line-height: 1;
  color: rgba(201, 162, 75, 0.045);
  pointer-events: none;
  z-index: 0;
  user-select: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  padding: 100px 0 80px;
  will-change: transform, opacity;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--secondary-light);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--secondary);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw + 0.8rem, 3.6rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: heroScrollHint 2s ease-in-out infinite;
}

.hero-scroll i {
  font-size: 14px;
  animation: heroArrow 1.6s ease infinite;
}

@keyframes heroScrollHint {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

@keyframes heroArrow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

@media (max-width: 991.98px) {
  .hero {
    min-height: 80vh;
  }
  .hero-content {
    padding: 80px 0 60px;
  }
}

@media (max-width: 575.98px) {
  .hero h1 {
    font-size: 1.9rem;
  }
  .hero-subtitle {
    font-size: 16px;
  }
  .hero-actions .btn {
    width: 100%;
  }
}

/* ========== 玩法介绍 ========== */
.steps-section {
  background: var(--bg-warm);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  position: relative;
}

.steps-grid::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border) 15%, var(--border) 85%, transparent);
}

.step-item {
  position: relative;
  padding: 0 8px;
}

.step-number {
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 700;
  color: var(--secondary);
  line-height: 1;
  display: block;
  margin-bottom: 20px;
  opacity: 0.85;
}

.step-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.step-title .step-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--secondary);
  flex-shrink: 0;
}

.step-desc {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 0;
}

@media (max-width: 991.98px) {
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .steps-grid::before {
    left: 40px;
    right: auto;
    top: 4%;
    bottom: 4%;
    width: 1px;
    height: auto;
  }
  .step-item {
    padding-left: 56px;
  }
  .step-number {
    font-size: 42px;
  }
}

/* ========== 奖励预览 ========== */
.rewards-section {
  background: #f3efe8;
}

.rewards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.reward-card {
  background: var(--bg-warm);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.reward-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--secondary);
}

.reward-img {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--placeholder);
}

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

.reward-card:hover .reward-img img {
  transform: scale(1.03);
}

.reward-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(16, 20, 20, 0.72);
  color: var(--secondary-light);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
}

.reward-body {
  padding: 24px 26px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.reward-body h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.reward-body p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 14px;
  flex: 1;
}

.reward-value {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #8a6d2a;
  background: rgba(201, 162, 75, 0.12);
  border: 1px solid rgba(201, 162, 75, 0.25);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
}

.rewards-col {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.rewards-col .reward-card {
  flex: 1;
}

@media (max-width: 991.98px) {
  .rewards-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ========== 任务进度 ========== */
.tasks-section {
  background: var(--bg-warm);
}

.task-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.task-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.task-row:last-child {
  border-bottom: none;
}

.task-check {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: transparent;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.task-row.completed .task-check {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.task-check i {
  font-size: 11px;
}

.task-name {
  flex: 1;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
}

.task-row.completed .task-name {
  color: var(--text-sub);
  text-decoration: line-through;
  text-decoration-color: rgba(110, 106, 99, 0.4);
}

.task-reward {
  font-size: 13px;
  font-weight: 600;
  color: #8a6d2a;
  background: rgba(201, 162, 75, 0.12);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.task-progress-block {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.task-progress-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 12px;
}

.task-progress-num {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.progress-track {
  height: 6px;
  background: var(--placeholder);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--secondary) 0%, var(--secondary-light) 80%, #ffe9b8 100%);
  border-radius: var(--radius-pill);
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1) 0.2s;
  box-shadow: 0 0 8px rgba(201, 162, 75, 0.4);
}

.task-actions {
  margin-top: 20px;
}

/* 右侧任务汇总 */
.task-summary {
  background: var(--bg-ink);
  border-radius: var(--radius-card);
  padding: 48px 32px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.task-summary::after {
  content: "9";
  position: absolute;
  right: -30px;
  bottom: -60px;
  font-family: var(--font-serif);
  font-size: 180px;
  font-weight: 700;
  color: rgba(201, 162, 75, 0.05);
  pointer-events: none;
}

.task-summary .summary-circle {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 6px solid rgba(201, 162, 75, 0.25);
  border-top-color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.summary-percent {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 700;
  color: var(--secondary-light);
  line-height: 1;
}

.summary-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 8px;
}

.summary-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 24px;
}

@media (max-width: 991.98px) {
  .task-summary {
    margin-top: 28px;
  }
}

/* ========== CTA 参与区 ========== */
.cta-join {
  background: var(--bg-ink);
  padding: 90px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-join::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(201, 162, 75, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

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

.cta-kicker {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 20px;
}

.cta-join h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw + 0.6rem, 2.8rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}

.cta-join p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 16px;
  margin-bottom: 36px;
}

.cta-join-note {
  display: block;
  margin-top: 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ========== 数据条 ========== */
.stats-section {
  background: var(--primary);
  padding: 64px 0;
}

.stats-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.stats-item {
  text-align: center;
  flex: 1;
  min-width: 160px;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 700;
  color: var(--secondary-light);
  line-height: 1.2;
  display: block;
}

.stat-number i,
.stat-number .suffix {
  font-style: normal;
  font-size: 0.6em;
  font-weight: 500;
  color: rgba(229, 205, 143, 0.8);
  margin-left: 2px;
}

.stat-label {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

.stats-divider {
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, 0.12);
}

@media (max-width: 767.98px) {
  .stats-grid {
    gap: 20px;
  }
  .stats-divider {
    display: none;
  }
  .stats-item {
    min-width: 45%;
  }
  .stat-number {
    font-size: 34px;
  }
}

/* ========== 最新资讯 ========== */
.news-section {
  background: var(--bg-warm);
}

.news-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.news-section .section-header {
  margin-bottom: 0;
}

.news-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 8px 20px;
  transition: all 0.2s ease;
}

.news-more:hover {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

/* 大封面卡 */
.news-feature-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  overflow: hidden;
  text-decoration: none;
  height: 100%;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.news-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--secondary);
  color: inherit;
}

.news-feature-img-wrap {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--placeholder);
}

.news-feature-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-feature-card:hover .news-feature-img {
  transform: scale(1.03);
}

.news-feature-content {
  padding: 24px 26px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.news-time {
  font-size: 13px;
  color: var(--text-sub);
}

.news-time i {
  margin-right: 4px;
  font-size: 12px;
}

.news-feature-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-feature-excerpt {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-sub);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}

.news-read-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-read-more i {
  font-size: 12px;
  transition: transform 0.2s ease;
}

.news-feature-card:hover .news-read-more i {
  transform: translateX(4px);
}

/* 右侧文字列表 */
.news-side-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 8px 20px;
  height: 100%;
}

.news-side-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: background 0.2s ease;
}

.news-side-item:last-child {
  border-bottom: none;
}

.news-side-item:hover {
  background: rgba(250, 247, 242, 0.6);
  color: inherit;
}

.news-side-arrow {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  font-size: 12px;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.news-side-item:hover .news-side-arrow {
  background: var(--secondary);
  border-color: var(--secondary);
  color: #fff;
  transform: translateX(2px);
}

.news-side-body {
  flex: 1;
  min-width: 0;
}

.news-side-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.2s ease;
}

.news-side-item:hover .news-side-title {
  color: var(--primary);
}

.news-side-time {
  font-size: 12px;
  color: var(--text-sub);
}

/* 空状态 */
.news-empty {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-card);
  padding: 60px 24px;
  text-align: center;
  color: var(--text-sub);
}

.news-empty i {
  font-size: 36px;
  color: var(--border);
  margin-bottom: 14px;
  display: block;
}

.news-empty p {
  font-size: 15px;
  margin: 0;
}

@media (max-width: 991.98px) {
  .news-side-list {
    margin-top: 24px;
  }
}

/* ========== FAQ ========== */
.faq-section {
  background: #f3efe8;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  background: none;
  border: none;
  padding: 24px 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--primary);
  text-align: left;
  cursor: pointer;
  transition: color 0.2s ease;
}

.faq-question:hover {
  color: var(--secondary);
}

.faq-question:focus-visible {
  outline: none;
  color: var(--secondary);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--secondary);
  flex-shrink: 0;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(135deg);
  background: var(--secondary);
  border-color: var(--secondary);
  color: #fff;
}

.faq-answer {
  padding: 0 8px 24px;
}

.faq-answer p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-sub);
  margin: 0;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 72px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  text-decoration: none;
  margin-bottom: 18px;
}

.footer-logo .brand-badge {
  width: 36px;
  height: 36px;
  font-size: 20px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.05em;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 22px;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-col ul li a:hover {
  color: var(--secondary-light);
}

.footer-col p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 8px;
  line-height: 1.7;
}

.footer-col p i {
  color: var(--secondary);
  width: 18px;
  margin-right: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 991.98px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 575.98px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 图片占位 ========== */
.img-placeholder {
  background: var(--placeholder);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #a29b90;
  font-size: 14px;
}

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

/* ========== 响应式微调 ========== */
@media (max-width: 767.98px) {
  .section {
    padding: 64px 0;
  }
  .section-header {
    margin-bottom: 36px;
  }
  .section-header h2 {
    font-size: 1.6rem;
  }
  .cta-join {
    padding: 60px 0;
  }
  .btn-xl {
    width: 100%;
    max-width: 320px;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .task-panel {
    padding: 22px 20px;
  }
  .news-feature-content {
    padding: 18px 18px 22px;
  }
}

/* roulang page: article */
:root {
            --pk-primary: #0E3B3A;
            --pk-primary-light: #145453;
            --pk-gold: #C9A24B;
            --pk-accent: #E2593F;
            --pk-bg: #FAF7F2;
            --pk-dark: #101414;
            --pk-ink: #2B2B2B;
            --pk-muted: #6E6A63;
            --pk-line: #E5DFD5;
            --pk-placeholder: #ECE7DE;
            --radius-btn: 999px;
            --radius-card: 12px;
            --radius-img: 8px;
            --shadow-sm: 0 8px 24px rgba(16, 20, 20, 0.06);
            --shadow-hover: 0 12px 30px rgba(16, 20, 20, 0.12);
            --font-serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
            --font-sans: "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", sans-serif;
            --transition: 200ms ease;
            --maxw: 1280px;
            --content-maxw: 760px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--pk-bg);
            color: var(--pk-ink);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: var(--maxw);
            padding-left: 32px;
            padding-right: 32px;
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        /* 顶部信息条 */
        .top-info-bar {
            background: var(--pk-dark);
            color: rgba(250, 247, 242, 0.8);
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .top-info-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 40px;
        }

        .top-bar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-bar-left .site-domain {
            color: var(--pk-gold);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .top-bar-right {
            display: flex;
            gap: 20px;
        }

        .top-bar-right a {
            color: rgba(250, 247, 242, 0.8);
            transition: color var(--transition);
        }

        .top-bar-right a:hover {
            color: var(--pk-gold);
        }

        @media (max-width: 768px) {
            .top-bar-left .ui-hint {
                display: none;
            }
            .top-bar-right a:first-child {
                display: none;
            }
        }

        /* 主导航 */
        .main-nav {
            background: var(--pk-bg);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03);
            transition: background 300ms ease, opacity 300ms ease;
        }

        .main-nav.is-scrolled {
            background: rgba(250, 247, 242, 0.9);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
        }

        .nav-container {
            display: flex;
            align-items: center;
            gap: 40px;
            min-height: 72px;
            padding-top: 8px;
            padding-bottom: 8px;
        }

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

        .brand-badge {
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--pk-primary);
            color: var(--pk-gold);
            font-size: 22px;
            font-weight: 700;
            line-height: 1;
            box-shadow: inset 0 0 0 1px rgba(201, 162, 75, 0.25);
        }

        .brand-name {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--pk-primary);
            letter-spacing: 0.04em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        .nav-links .nav-item .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--pk-ink);
            padding: 12px 10px;
            letter-spacing: 0.02em;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            background: transparent;
        }

        .nav-links .nav-item .nav-link:hover {
            color: var(--pk-primary);
            border-bottom-color: rgba(255, 255, 255, 0.2);
        }

        .nav-links .nav-item .nav-link.active {
            color: var(--pk-gold);
            border-bottom-color: var(--pk-gold);
        }

        .nav-cta {
            margin-left: 8px;
            white-space: nowrap;
        }

        .nav-toggle {
            border: 1px solid var(--pk-line);
            border-radius: 10px;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--pk-primary);
            background: var(--pk-bg);
            font-size: 18px;
            transition: background var(--transition), border-color var(--transition);
        }

        .nav-toggle:hover {
            background: #fff;
            border-color: var(--pk-gold);
        }

        @media (max-width: 992px) {
            .navbar-collapse {
                position: fixed;
                top: 0;
                right: 0;
                width: 326px;
                height: 100vh;
                padding: 40px 36px;
                background: var(--pk-bg);
                box-shadow: -16px 0 48px rgba(0, 0, 0, 0.08);
                transform: translateX(100%);
                transition: transform 280ms ease;
                z-index: 1090;
                display: flex;
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                gap: 8px;
                overflow-y: auto;
            }

            .navbar-collapse.show {
                transform: translateX(0);
            }

            .nav-links {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
                margin: 0 0 16px 0;
                gap: 4px;
            }

            .nav-links .nav-item {
                width: 100%;
            }

            .nav-links .nav-item .nav-link {
                display: block;
                font-size: 17px;
                padding: 14px 8px;
                border-bottom: 1px solid var(--pk-line);
                border-radius: 0;
                color: var(--pk-ink);
                border-left: 2px solid transparent;
            }

            .nav-links .nav-item .nav-link:hover {
                color: var(--pk-primary);
                border-left-color: var(--pk-gold);
                border-bottom-color: var(--pk-line);
                background: rgba(201, 162, 75, 0.05);
            }

            .nav-links .nav-item .nav-link.active {
                color: var(--pk-gold);
                border-left-color: var(--pk-gold);
                border-bottom-color: var(--pk-line);
                background: rgba(201, 162, 75, 0.07);
            }

            .nav-cta {
                width: 100%;
                margin-top: 8px;
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .brand-badge {
                width: 35px;
                height: 35px;
                font-size: 18px;
            }
            .brand-name {
                font-size: 16px;
            }
            .nav-container {
                min-height: 64px;
                gap: 16px;
            }
        }

        /* 按钮 */
        .btn {
            border-radius: var(--radius-btn);
            padding: 10px 28px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.01em;
            border: 1px solid transparent;
            transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .btn-accent {
            background: var(--pk-accent);
            color: #fff;
        }

        .btn-accent:hover,
        .btn-accent:focus {
            background: #f06a52;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(226, 89, 63, 0.25);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            border-color: var(--pk-primary);
            color: var(--pk-primary);
        }

        .btn-outline:hover,
        .btn-outline:focus {
            background: var(--pk-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 16px 48px;
            font-size: 16px;
        }

        /* ===== 文章页 ===== */
        .article-hero {
            background: linear-gradient(180deg, rgba(16, 20, 20, 0.4), rgba(250, 247, 242, 0) 92%);
            padding: 56px 0 24px;
            border-bottom: 1px solid var(--pk-line);
        }

        .article-hero .breadcrumb-custom {
            font-size: 13px;
            color: var(--pk-muted);
            margin-bottom: 28px;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .article-hero .breadcrumb-custom a {
            color: var(--pk-primary);
            transition: color var(--transition);
        }

        .article-hero .breadcrumb-custom a:hover {
            color: var(--pk-gold);
        }

        .article-title {
            font-family: var(--font-serif);
            font-size: 42px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--pk-primary);
            margin-bottom: 20px;
            letter-spacing: 0.01em;
            max-width: 900px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: var(--pk-muted);
            margin-bottom: 32px;
        }

        .article-meta .badge-custom {
            display: inline-flex;
            align-items: center;
            background: rgba(201, 162, 75, 0.1);
            border: 1px solid rgba(201, 162, 75, 0.35);
            color: var(--pk-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.03em;
        }

        .article-meta .meta-divider {
            width: 4px;
            height: 4px;
            background: var(--pk-line);
            border-radius: 50%;
        }

        .article-cover-img {
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }

        .article-cover-img img {
            width: 100%;
            height: auto;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .article-title {
                font-size: 22px;
            }
            .article-hero {
                padding-top: 36px;
            }
        }

        /* 正文 */
        .article-main {
            padding: 32px 0 40px;
        }

        .article-body {
            max-width: var(--content-maxw);
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.8;
            color: #3d3d3d;
        }

        .article-body h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--pk-primary);
            margin-top: 48px;
            margin-bottom: 20px;
            line-height: 1.4;
        }

        .article-body h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--pk-primary);
            margin-top: 32px;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .article-body p {
            margin-bottom: 24px;
        }

        .article-body img {
            border-radius: 8px;
            margin: 24px 0;
        }

        .article-body blockquote {
            border-left: 3px solid var(--pk-gold);
            background: rgba(201, 162, 75, 0.06);
            padding: 16px 24px;
            border-radius: 0 8px 8px 0;
            margin: 24px 0;
            color: var(--pk-muted);
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.5em;
            margin-bottom: 24px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body a {
            color: var(--pk-accent);
            border-bottom: 1px solid rgba(226, 89, 63, 0.4);
        }

        .article-body a:hover {
            color: #d6442e;
            border-bottom-color: #d6442e;
        }

        /* 骨架屏 */
        .skeleton-block {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .skeleton-line {
            height: 14px;
            border-radius: 6px;
            background: var(--pk-placeholder);
            animation: shimmer 1.4s infinite;
        }

        .skeleton-line.w-60 { width: 60%; }
        .skeleton-line.w-40 { width: 40%; }
        .skeleton-line.w-80 { width: 80%; }

        @keyframes shimmer {
            0% { opacity: 0.6; }
            50% { opacity: 1; }
            100% { opacity: 0.6; }
        }

        /* 空态 */
        .empty-state {
            padding: 80px 32px;
            text-align: center;
            color: var(--pk-muted);
            background: rgba(236, 231, 222, 0.2);
            border: 1px dashed var(--pk-line);
            border-radius: 12px;
        }

        .empty-state i {
            font-size: 40px;
            color: var(--pk-placeholder);
            margin-bottom: 24px;
        }

        /* 文末 */
        .article-footer-panel {
            max-width: var(--content-maxw);
            margin: 40px auto 0;
            padding-top: 32px;
            border-top: 1px solid var(--pk-line);
        }

        .related-posts {
            margin-bottom: 32px;
        }

        .related-posts h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            color: var(--pk-primary);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .related-link-card {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px;
            border: 1px solid var(--pk-line);
            border-radius: 12px;
            background: #fff;
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
            height: 100%;
        }

        .related-link-card:hover {
            transform: translateY(-4px);
            border-color: var(--pk-gold);
            box-shadow: var(--shadow-hover);
        }

        .related-thumb {
            width: 88px;
            height: 66px;
            border-radius: 8px;
            overflow: hidden;
            background: var(--pk-placeholder);
            flex-shrink: 0;
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .related-info {
            min-width: 0;
        }

        .related-info .related-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--pk-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 4px;
        }

        .related-info .related-cat {
            font-size: 12px;
            color: var(--pk-muted);
        }

        .post-nav {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .post-nav a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border: 1px solid var(--pk-line);
            border-radius: 999px;
            font-size: 14px;
            color: var(--pk-primary);
            transition: border-color var(--transition), color var(--transition), background var(--transition);
        }

        .post-nav a:hover {
            border-color: var(--pk-gold);
            color: var(--pk-gold);
            background: rgba(201, 162, 75, 0.05);
        }

        .backto-list {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--pk-muted);
            margin-top: 20px;
            transition: color var(--transition);
        }

        .backto-list:hover {
            color: var(--pk-primary);
        }

        /* CTA */
        .article-cta {
            padding: 48px 0 80px;
            text-align: center;
            border-top: none;
        }

        .article-cta h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            color: var(--pk-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .article-cta p {
            color: var(--pk-muted);
            font-size: 14px;
            margin-bottom: 24px;
        }

        /* FAQ */
        .site-faq {
            background: #fff;
            padding: 72px 0 24px;
            border: 1px solid rgba(229, 223, 213, 0.6);
            border-radius: 20px;
            margin: 40px auto 64px;
            max-width: 860px;
        }

        .site-faq .section-title {
            text-align: center;
            margin-bottom: 40px;
        }

        .site-faq .section-title h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--pk-primary);
            letter-spacing: 0.03em;
        }

        .faq-item {
            border-bottom: 1px solid var(--pk-line);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 28px;
            background: transparent;
            font-size: 16px;
            font-weight: 600;
            color: var(--pk-ink);
            text-align: left;
            transition: color 150ms ease;
        }

        .faq-question:focus {
            outline: 2px solid var(--pk-gold);
            outline-offset: -2px;
        }

        .faq-question:hover {
            color: var(--pk-primary);
        }

        .faq-icon {
            color: var(--pk-gold);
            font-size: 18px;
            transition: transform 250ms ease;
            flex-shrink: 0;
            margin-left: 16px;
            line-height: 1;
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            font-size: 15px;
            color: var(--pk-muted);
            line-height: 1.8;
            padding: 0 28px 20px;
        }

        /* 站点页脚 */
        .site-footer {
            background: var(--pk-dark);
            color: #FAF7F2;
            padding-top: 64px;
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .footer-logo .brand-badge {
            width: 34px;
            height: 34px;
            font-size: 16px;
        }

        .footer-brand p {
            color: rgba(250, 247, 242, 0.72);
            font-size: 14px;
            max-width: 220px;
        }

        .footer-col h4 {
            color: var(--pk-gold);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 18px;
            margin-top: 0;
        }

        .footer-col ul {
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            color: rgba(250, 247, 242, 0.75);
            font-size: 14px;
            transition: color 150ms ease;
            background: transparent;
        }

        .footer-col ul li a:hover {
            color: var(--pk-gold);
        }

        .footer-col p {
            color: rgba(250, 247, 242, 0.6);
            font-size: 14px;
        }

        .footer-col p i {
            color: var(--pk-gold);
            margin-right: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            background: #0b0f0f;
        }

        .footer-bottom-inner {
            color: rgba(250, 247, 242, 0.42);
            font-size: 13px;
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
            }
        }

        /* 通用 */
        .section-pad {
            padding: 72px 0;
        }

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

/* roulang page: category1 */
:root {
            --ink-green: #0E3B3A;
            --gold: #C9A24B;
            --cinnabar: #E2593F;
            --warm-white: #FAF7F2;
            --ink-black: #101414;
            --body-text: #2B2B2B;
            --text-sub: #6E6A63;
            --border-line: #E5DFD5;
            --placeholder: #ECE7DE;
            --radius-card: 12px;
            --radius-img: 8px;
            --radius-btn: 999px;
            --shadow-default: 0 8px 24px rgba(16, 20, 20, 0.06);
            --shadow-hover: 0 12px 28px rgba(16, 20, 20, 0.12);
            --container-max: 1280px;
            --font-serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
            --font-sans: "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--body-text);
            background-color: var(--warm-white);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--ink-green);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--gold);
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 顶部信息条 */
        .top-info {
            background: var(--ink-green);
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            min-height: 40px;
            display: flex;
            align-items: center;
        }
        .top-info .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .top-info .ti-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-info .ti-left .domain {
            font-weight: 600;
            color: var(--gold);
            letter-spacing: 0.02em;
        }
        .top-info .ti-left .tagline {
            opacity: 0.75;
        }
        .top-info .ti-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .top-info .ti-right a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            padding: 4px 10px;
            border-radius: var(--radius-btn);
            transition: all 0.2s ease;
        }
        .top-info .ti-right a:hover {
            color: var(--gold);
            background: rgba(255, 255, 255, 0.08);
        }
        .top-info .ti-right a.ti-cta {
            background: var(--cinnabar);
            color: #fff;
            font-weight: 500;
        }
        .top-info .ti-right a.ti-cta:hover {
            background: #f06a50;
        }
        @media (max-width: 768px) {
            .top-info .ti-left .tagline {
                display: none;
            }
            .top-info .ti-right a:not(.ti-cta) {
                display: none;
            }
        }

        /* 主导航 */
        .main-nav {
            background: var(--warm-white);
            border-bottom: 1px solid var(--border-line);
            padding-top: 0;
            padding-bottom: 0;
            min-height: 76px;
            transition: all 0.3s ease;
            z-index: 1030;
        }
        .main-nav.scrolled {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(250, 247, 242, 0.92);
            box-shadow: 0 4px 20px rgba(16, 20, 20, 0.08);
            border-bottom-color: rgba(229, 223, 213, 0.6);
        }
        .main-nav.scrolled .brand {
            transform: scale(0.85);
            transform-origin: left center;
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.3s ease;
        }
        .brand-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--ink-green);
            border-radius: 10px;
            color: var(--gold);
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 20px;
            line-height: 1;
            flex-shrink: 0;
        }
        .brand-name {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--ink-green);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-links {
            gap: 4px;
        }
        .nav-links .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--body-text);
            padding: 10px 16px;
            border-radius: 6px;
            position: relative;
            transition: color 0.2s ease;
        }
        .nav-links .nav-link::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.25s ease;
        }
        .nav-links .nav-link:hover {
            color: var(--ink-green);
        }
        .nav-links .nav-link:hover::after {
            transform: scaleX(1);
        }
        .nav-links .nav-link.active {
            color: var(--gold);
            font-weight: 600;
        }
        .nav-links .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-toggle {
            border: 1px solid var(--border-line);
            background: transparent;
            color: var(--ink-green);
            font-size: 20px;
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            transition: all 0.2s ease;
        }
        .nav-toggle:hover {
            border-color: var(--gold);
            color: var(--gold);
        }
        .nav-cta {
            margin-left: 24px;
            white-space: nowrap;
        }
        @media (max-width: 991.98px) {
            .main-nav {
                min-height: 68px;
            }
            .navbar-collapse {
                background: var(--warm-white);
                border: 1px solid var(--border-line);
                border-radius: 12px;
                padding: 20px 24px;
                margin-top: 12px;
                box-shadow: var(--shadow-default);
            }
            .nav-links {
                gap: 8px;
                margin-bottom: 16px;
            }
            .nav-links .nav-link {
                font-size: 18px;
                padding: 10px 12px;
                border-radius: 8px;
            }
            .nav-links .nav-link.active {
                color: var(--gold);
                background: rgba(201, 162, 75, 0.08);
            }
            .nav-links .nav-link::after {
                display: none;
            }
            .nav-cta {
                margin-left: 0;
                display: inline-flex;
                width: 100%;
                justify-content: center;
            }
        }

        /* 按钮 */
        .btn {
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 600;
            padding: 12px 32px;
            transition: all 0.2s ease;
            border: 1px solid transparent;
            letter-spacing: 0.01em;
        }
        .btn-accent {
            background: var(--cinnabar);
            color: #fff;
            border-color: var(--cinnabar);
        }
        .btn-accent:hover {
            background: #f06a50;
            border-color: #f06a50;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(226, 89, 63, 0.35);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.15);
        }
        .btn-outline-green {
            background: transparent;
            color: var(--ink-green);
            border-color: var(--ink-green);
        }
        .btn-outline-green:hover {
            background: var(--ink-green);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg {
            height: 52px;
            padding: 0 40px;
            font-size: 17px;
        }

        /* 分类页 Hero */
        .category-hero {
            position: relative;
            background: var(--ink-black);
            background-image: linear-gradient(135deg, rgba(16, 20, 20, 0.82), rgba(16, 20, 20, 0.6)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 90px 0 80px;
            color: #fff;
            overflow: hidden;
        }
        .category-hero .hero-deco {
            position: absolute;
            right: 4%;
            bottom: -30px;
            font-family: var(--font-serif);
            font-size: 220px;
            font-weight: 900;
            line-height: 1;
            color: rgba(255, 255, 255, 0.04);
            pointer-events: none;
            user-select: none;
        }
        .category-hero .breadcrumb-nav {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .category-hero .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.7);
        }
        .category-hero .breadcrumb-nav a:hover {
            color: var(--gold);
        }
        .category-hero .breadcrumb-nav .sep {
            opacity: 0.5;
        }
        .category-hero .breadcrumb-nav .current {
            color: var(--gold);
        }
        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: 48px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            color: #fff;
        }
        .category-hero .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 60px 0 56px;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .category-hero .hero-deco {
                font-size: 140px;
            }
        }

        /* 面包屑（页面内） */
        .page-breadcrumb {
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 12px;
        }
        .page-breadcrumb a {
            color: var(--text-sub);
        }
        .page-breadcrumb a:hover {
            color: var(--ink-green);
        }
        .page-breadcrumb .sep {
            margin: 0 8px;
            opacity: 0.5;
        }
        .page-breadcrumb .current {
            color: var(--gold);
        }

        /* 分类页主体布局 */
        .category-layout {
            padding: 80px 0 100px;
        }
        .anchor-sidebar {
            position: sticky;
            top: 110px;
            padding: 24px;
            background: #fff;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-default);
        }
        .anchor-sidebar .sidebar-title {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--ink-green);
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--gold);
            display: inline-block;
        }
        .anchor-menu {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .anchor-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--body-text);
            transition: all 0.2s ease;
        }
        .anchor-menu a .menu-num {
            font-family: var(--font-serif);
            color: var(--gold);
            font-size: 14px;
            font-weight: 600;
            min-width: 24px;
        }
        .anchor-menu a:hover {
            background: rgba(201, 162, 75, 0.1);
            color: var(--ink-green);
        }
        .anchor-menu a.active {
            background: var(--ink-green);
            color: #fff;
        }
        .anchor-menu a.active .menu-num {
            color: var(--gold);
        }
        @media (max-width: 991.98px) {
            .anchor-sidebar {
                position: static;
                margin-bottom: 32px;
            }
            .anchor-menu {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .anchor-menu a {
                padding: 8px 14px;
            }
        }

        /* 内容列表 */
        .section-block {
            margin-bottom: 60px;
        }
        .section-block:last-child {
            margin-bottom: 0;
        }
        .section-block-head {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 28px;
        }
        .section-block-head .block-num {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--gold);
            background: rgba(201, 162, 75, 0.1);
            border-radius: 8px;
            padding: 4px 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .section-block-head .block-title {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--ink-green);
            margin: 0;
        }
        .section-block-head .block-line {
            flex: 1;
            height: 1px;
            background: var(--border-line);
        }

        .info-list {
            display: flex;
            flex-direction: column;
            border-top: 1px solid var(--border-line);
        }
        .info-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 24px 12px;
            border-bottom: 1px solid var(--border-line);
            transition: background 0.2s ease;
        }
        .info-item:hover {
            background: rgba(201, 162, 75, 0.04);
        }
        .info-thumb {
            width: 96px;
            height: 64px;
            border-radius: var(--radius-img);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--placeholder);
        }
        .info-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .info-item:hover .info-thumb img {
            transform: scale(1.04);
        }
        .info-body {
            flex: 1;
            min-width: 0;
        }
        .info-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
        }
        .badge-cat {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 500;
            color: var(--gold);
            background: rgba(201, 162, 75, 0.12);
            border: 1px solid rgba(201, 162, 75, 0.3);
            border-radius: var(--radius-btn);
            padding: 2px 12px;
            letter-spacing: 0.02em;
        }
        .info-date {
            font-size: 13px;
            color: var(--text-sub);
        }
        .info-title {
            display: block;
            font-size: 18px;
            font-weight: 600;
            color: var(--ink-green);
            line-height: 1.5;
            margin-bottom: 6px;
            transition: color 0.2s ease;
            max-width: 100%;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .info-item:hover .info-title {
            color: var(--gold);
        }
        .info-excerpt {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .info-arrow {
            color: var(--gold);
            font-size: 16px;
            flex-shrink: 0;
            opacity: 0;
            transform: translateX(-6px);
            transition: all 0.25s ease;
        }
        .info-item:hover .info-arrow {
            opacity: 1;
            transform: translateX(0);
        }
        @media (max-width: 576px) {
            .info-item {
                flex-wrap: wrap;
                padding: 20px 0;
            }
            .info-thumb {
                width: 100%;
                height: 120px;
            }
            .info-title {
                white-space: normal;
                -webkit-line-clamp: 2;
                display: -webkit-box;
                -webkit-box-orient: vertical;
            }
        }

        /* 数据统计 */
        .stat-section {
            background: var(--ink-green);
            padding: 80px 0;
            color: #fff;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }
        .stat-item {
            text-align: center;
            padding: 20px;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-item .stat-num {
            font-family: var(--font-serif);
            font-size: 48px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }
        @media (max-width: 768px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item {
                border-right: none;
            }
        }

        /* FAQ */
        .faq-section {
            padding: 80px 0;
            background: #fff;
        }
        .section-title-center {
            text-align: center;
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--ink-green);
            margin-bottom: 12px;
        }
        .section-sub-center {
            text-align: center;
            color: var(--text-sub);
            font-size: 15px;
            margin-bottom: 48px;
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            border-top: 1px solid var(--border-line);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-line);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 8px;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink-green);
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .faq-question:hover {
            color: var(--gold);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-line);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--gold);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-question:not(.collapsed) .faq-icon {
            transform: rotate(45deg);
            background: var(--gold);
            color: #fff;
            border-color: var(--gold);
        }
        .faq-answer {
            padding: 0 8px 24px;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-sub);
            max-width: 92%;
        }
        @media (max-width: 768px) {
            .section-title-center {
                font-size: 24px;
            }
        }

        /* CTA 区块 */
        .cta-section {
            background: var(--warm-white);
            padding: 90px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--ink-green);
            margin-bottom: 12px;
        }
        .cta-section .cta-desc {
            font-size: 15px;
            color: var(--text-sub);
            margin-bottom: 32px;
        }
        .cta-section .btn-lg {
            height: 56px;
            padding: 0 48px;
        }
        .cta-note {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 16px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--ink-green);
            color: rgba(255, 255, 255, 0.8);
            padding-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-logo:hover {
            color: var(--gold);
        }
        .footer-logo .brand-badge {
            background: rgba(255, 255, 255, 0.12);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 260px;
        }
        .footer-col h4 {
            font-family: var(--font-serif);
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .footer-col ul a:hover {
            color: var(--gold);
        }
        .footer-col p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col p i {
            color: var(--gold);
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
        }
        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            flex-wrap: wrap;
            gap: 8px;
        }
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
            }
        }

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

/* roulang page: category2 */
:root {
      --primary: #0E3B3A;
      --primary-dark: #092A29;
      --ink: #101414;
      --accent: #C9A24B;
      --accent-light: rgba(201, 162, 75, .12);
      --cta: #E2593F;
      --cta-hover: #EE6A50;
      --bg-warm: #FAF7F2;
      --text: #2B2B2B;
      --text-muted: #6E6A63;
      --line: #E5DFD5;
      --placeholder: #ECE7DE;
      --white: #fff;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-pill: 999px;
      --shadow-md: 0 8px 24px rgba(16, 20, 20, .06);
      --shadow-lg: 0 12px 32px rgba(16, 20, 20, .12);
      --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
      --sans: "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", "Helvetica Neue", sans-serif;
      --transition: 200ms ease;
    }

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

    html { scroll-behavior: smooth; }

    body {
      margin: 0;
      background: var(--bg-warm);
      color: var(--text);
      font-family: var(--sans);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3, h4, h5 {
      font-family: var(--serif);
      line-height: 1.3;
      color: var(--primary);
      letter-spacing: .02em;
      margin: 0 0 16px;
    }

    p { margin: 0 0 16px; }

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

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

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

    a:focus-visible, .btn:focus-visible, button:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    .container { max-width: 1280px; }

    /* ===== 顶部信息条 ===== */
    .topbar {
      background: var(--primary-dark);
      color: rgba(255, 255, 255, .72);
      font-size: 12.5px;
      height: 40px;
      display: flex;
      align-items: center;
    }
    .topbar a { color: rgba(255, 255, 255, .85); font-size: 12.5px; }
    .topbar a:hover { color: var(--accent); }
    .topbar-sep { margin: 0 10px; opacity: .4; }
    .topbar-right a + a { margin-left: 18px; }
    @media (max-width: 767.98px) {
      .topbar-left span:last-child,
      .topbar-right a:first-child { display: none; }
      .topbar-sep { display: none; }
    }

    /* ===== 主导航 ===== */
    .main-nav {
      background: var(--bg-warm);
      border-bottom: 1px solid var(--line);
      min-height: 72px;
      padding: 12px 0;
      transition: box-shadow var(--transition), background var(--transition);
    }
    .main-nav.scrolled {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(250, 247, 242, .92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      box-shadow: 0 4px 20px rgba(16, 20, 20, .04);
    }
    .main-nav.scrolled .brand-badge { width: 30px; height: 30px; font-size: 16px; }
    .main-nav.scrolled .brand-name { font-size: 18px; }
    .brand { display: flex; align-items: center; gap: 10px; }
    .brand-badge {
      width: 38px;
      height: 38px;
      background: var(--primary);
      color: var(--accent);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-family: var(--serif);
      font-weight: 700;
      font-size: 20px;
      line-height: 1;
      flex-shrink: 0;
      transition: all var(--transition);
    }
    .brand-name {
      font-family: var(--serif);
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      white-space: nowrap;
      transition: font-size var(--transition);
    }
    .nav-links { align-items: center; }
    .nav-links .nav-link {
      font-size: 15px;
      color: var(--text);
      padding: 8px 16px;
      position: relative;
    }
    .nav-links .nav-link::after {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 2px;
      height: 2px;
      background: var(--accent);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .25s ease;
    }
    .nav-links .nav-link:hover::after,
    .nav-links .nav-link.active::after { transform: scaleX(1); }
    .nav-links .nav-link.active { color: var(--primary); font-weight: 600; }
    .btn { font-family: var(--sans); font-size: 16px; font-weight: 600; padding: 12px 28px; border-radius: var(--radius-pill); transition: all var(--transition); border: 1px solid transparent; }
    .btn-accent { background: var(--cta); color: #fff; }
    .btn-accent:hover { background: var(--cta-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(226, 89, 63, .3); }
    .btn-accent:active { transform: translateY(0); box-shadow: inset 0 1px 3px rgba(0, 0, 0, .2); }
    .btn-ghost { background: transparent; border: 1px solid var(--primary); color: var(--primary); }
    .btn-ghost:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
    .nav-cta { padding: 10px 26px; margin-left: 12px; }
    .nav-toggle {
      background: var(--primary);
      color: #fff;
      border: none;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      line-height: 1;
    }
    .nav-toggle:focus { box-shadow: 0 0 0 3px rgba(201, 162, 75, .4); }
    @media (max-width: 991.98px) {
      .main-nav { min-height: 64px; }
      .navbar-collapse {
        background: var(--bg-warm);
        border: 1px solid var(--line);
        border-radius: var(--radius-md);
        padding: 16px;
        margin-top: 12px;
        box-shadow: var(--shadow-md);
      }
      .nav-links { align-items: stretch; }
      .nav-links .nav-link { padding: 12px 8px; font-size: 16px; }
      .nav-links .nav-link::after { display: none; }
      .nav-cta { margin: 8px 0 0; display: block; text-align: center; }
    }

    /* ===== 分类 Hero ===== */
    .cat-hero {
      position: relative;
      background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      color: #fff;
      overflow: hidden;
      padding: 88px 0 96px;
    }
    .cat-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(9, 42, 41, .94) 0%, rgba(14, 59, 58, .82) 52%, rgba(16, 20, 20, .45) 100%);
    }
    .cat-hero .container { position: relative; z-index: 2; }
    .cat-hero-num {
      position: absolute;
      right: 3%;
      top: 4px;
      font-family: var(--serif);
      font-size: 210px;
      font-weight: 900;
      line-height: 1;
      color: rgba(201, 162, 75, .10);
      pointer-events: none;
      letter-spacing: 0;
      user-select: none;
    }
    .breadcrumb {
      font-size: 13px;
      color: rgba(255, 255, 255, .6);
      margin-bottom: 22px;
      padding: 0;
      background: none;
    }
    .breadcrumb a { color: rgba(255, 255, 255, .8); }
    .breadcrumb a:hover { color: var(--accent); }
    .breadcrumb .bc-sep { margin: 0 8px; opacity: .5; }
    .cat-hero h1 {
      color: #fff;
      font-size: 46px;
      font-weight: 900;
      margin-bottom: 14px;
      max-width: 720px;
    }
    .cat-hero-sub {
      font-size: 18px;
      color: rgba(255, 255, 255, .78);
      max-width: 560px;
      margin-bottom: 24px;
      line-height: 1.7;
    }
    .cat-hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
    .cat-hero-tags span {
      display: inline-block;
      padding: 5px 14px;
      border: 1px solid rgba(255, 255, 255, .3);
      border-radius: var(--radius-pill);
      font-size: 12.5px;
      color: rgba(255, 255, 255, .85);
    }
    @media (max-width: 991.98px) {
      .cat-hero { padding: 64px 0 72px; }
      .cat-hero h1 { font-size: 34px; }
      .cat-hero-sub { font-size: 16px; }
      .cat-hero-num { font-size: 140px; }
    }
    @media (max-width: 575.98px) {
      .cat-hero { padding: 52px 0 60px; }
      .cat-hero h1 { font-size: 28px; }
      .cat-hero-num { font-size: 100px; right: 6%; }
    }

    /* ===== 分类主体 ===== */
    .cat-main { padding: 80px 0 96px; }
    .cat-main-head { margin-bottom: 48px; }
    .cat-main-eyebrow {
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .12em;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .cat-main-head h2 { font-size: 28px; margin-bottom: 8px; }
    .cat-main-head p { color: var(--text-muted); font-size: 15px; margin: 0; max-width: 560px; }

    .anchor-col { position: sticky; top: 100px; }
    .anchor-card {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 20px 14px;
      box-shadow: var(--shadow-md);
    }
    .anchor-title {
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .1em;
      color: var(--text-muted);
      margin-bottom: 12px;
      padding: 0 8px;
    }
    .anchor-list { display: flex; flex-direction: column; gap: 4px; }
    .anchor-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 11px 12px;
      border-radius: var(--radius-sm);
      color: var(--text);
      font-size: 14.5px;
      transition: background var(--transition), color var(--transition);
    }
    .anchor-list a:hover { background: var(--accent-light); color: var(--primary); }
    .anchor-list a.active { background: var(--accent-light); color: var(--primary); font-weight: 700; }
    .anchor-list .anchor-count {
      font-family: var(--serif);
      font-size: 13px;
      color: var(--accent);
      font-weight: 700;
    }
    .anchor-note {
      margin-top: 16px;
      padding: 12px 14px;
      border-top: 1px dashed var(--line);
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 12.5px;
      color: var(--text-muted);
    }
    .anchor-note i { color: var(--accent); }
    .anchor-note p { margin: 0; }

    .topic-section { margin-bottom: 56px; }
    .topic-section:last-child { margin-bottom: 0; }
    .topic-section-head {
      display: flex;
      align-items: baseline;
      gap: 14px;
      padding-bottom: 14px;
      border-bottom: 1px solid var(--line);
      margin-bottom: 8px;
    }
    .topic-section-head .ts-idx {
      font-family: var(--serif);
      font-size: 24px;
      font-weight: 700;
      color: var(--accent);
      line-height: 1;
    }
    .topic-section-head h2 { font-size: 24px; margin: 0; }
    .topic-section-head .ts-count { margin-left: auto; font-size: 12.5px; color: var(--text-muted); }

    .entry-item {
      display: flex;
      align-items: center;
      gap: 18px;
      padding: 20px 6px;
      border-bottom: 1px solid var(--line);
      transition: background var(--transition), padding var(--transition);
      border-radius: var(--radius-sm);
    }
    .entry-item:last-child { border-bottom: none; }
    .entry-item:hover { background: rgba(250, 247, 242, .6); padding-left: 12px; padding-right: 12px; }
    .entry-thumb {
      width: 140px;
      height: 88px;
      border-radius: var(--radius-sm);
      object-fit: cover;
      flex-shrink: 0;
      background: var(--placeholder);
    }
    .entry-body { flex: 1; min-width: 0; }
    .entry-body h3 {
      font-family: var(--sans);
      font-size: 17px;
      font-weight: 600;
      color: var(--text);
      margin: 0 0 6px;
      line-height: 1.45;
      transition: color var(--transition);
    }
    .entry-item:hover .entry-body h3 { color: var(--primary); }
    .entry-body p {
      font-size: 14px;
      color: var(--text-muted);
      margin: 0 0 8px;
      line-height: 1.65;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .entry-meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--text-muted); }
    .entry-tag {
      display: inline-block;
      padding: 2px 10px;
      background: var(--accent-light);
      border: 1px solid rgba(201, 162, 75, .35);
      border-radius: var(--radius-pill);
      color: #8a6d2f;
      font-size: 12px;
      font-weight: 600;
    }
    .entry-arrow {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      border: 1px solid var(--line);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      flex-shrink: 0;
      font-size: 14px;
      transition: all var(--transition);
      background: var(--white);
    }
    .entry-item:hover .entry-arrow {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
      transform: translateX(4px);
    }
    @media (max-width: 767.98px) {
      .cat-main { padding: 56px 0 64px; }
      .anchor-col { position: static; margin-bottom: 40px; }
      .entry-thumb { width: 110px; height: 72px; }
      .entry-body h3 { font-size: 15px; }
      .entry-body p { -webkit-line-clamp: 1; }
    }
    @media (max-width: 575.98px) {
      .entry-thumb { width: 92px; height: 64px; }
      .entry-item { gap: 12px; }
      .entry-meta .entry-time { display: none; }
    }

    /* ===== 数据带 ===== */
    .stats-band { background: var(--primary); padding: 56px 0; color: #fff; }
    .stat-card { text-align: center; padding: 16px 12px; }
    .stat-num {
      font-family: var(--serif);
      font-size: 44px;
      font-weight: 700;
      color: var(--accent);
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .stat-label { font-size: 14px; color: rgba(255, 255, 255, .68); }
    @media (max-width: 575.98px) {
      .stats-band { padding: 40px 0; }
      .stat-num { font-size: 34px; }
    }

    /* ===== FAQ ===== */
    .faq-section { padding: 88px 0 88px; }
    .section-head { text-align: center; margin-bottom: 48px; }
    .section-head .section-eyebrow {
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .12em;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .section-head h2 { font-size: 32px; }
    .section-head p { color: var(--text-muted); max-width: 520px; margin: 0 auto; font-size: 15px; }
    .faq-wrap { max-width: 860px; margin: 0 auto; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question {
      width: 100%;
      background: none;
      border: none;
      text-align: left;
      padding: 22px 8px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      cursor: pointer;
      transition: color var(--transition);
    }
    .faq-question:hover { color: var(--primary); }
    .faq-toggle { color: var(--primary); transition: transform .25s ease, color .25s ease; flex-shrink: 0; }
    .faq-item.open .faq-toggle { transform: rotate(45deg); color: var(--cta); }
    .faq-answer { padding: 0 8px 24px; font-size: 15px; color: var(--text-muted); line-height: 1.8; max-width: 760px; }

    /* ===== CTA ===== */
    .cta-band {
      position: relative;
      background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat fixed;
      padding: 100px 0;
      text-align: center;
      overflow: hidden;
    }
    .cta-band::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(9, 42, 41, .92), rgba(16, 20, 20, .78));
    }
    .cta-inner { position: relative; z-index: 2; color: #fff; max-width: 720px; margin: 0 auto; }
    .cta-inner h2 { color: #fff; font-size: 34px; margin-bottom: 14px; }
    .cta-inner p { color: rgba(255, 255, 255, .75); font-size: 15px; margin-bottom: 30px; }
    .cta-inner .btn { min-width: 180px; height: 56px; display: inline-flex; align-items: center; justify-content: center; }
    .cta-note { font-size: 12.5px; color: rgba(255, 255, 255, .5); margin-top: 16px; }
    @media (max-width: 575.98px) {
      .cta-band { padding: 64px 0; background-attachment: scroll; }
      .cta-inner h2 { font-size: 26px; }
    }

    /* ===== 页脚 ===== */
    .site-footer { background: var(--primary-dark); color: rgba(255, 255, 255, .72); padding-top: 60px; font-size: 14px; }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
      gap: 40px;
      padding-bottom: 44px;
    }
    .footer-brand .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-family: var(--serif);
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 14px;
    }
    .footer-brand p { color: rgba(255, 255, 255, .6); font-size: 14px; line-height: 1.75; margin: 0; max-width: 300px; }
    .footer-col h4 {
      font-family: var(--sans);
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-col ul { display: flex; flex-direction: column; gap: 10px; }
    .footer-col ul a { color: rgba(255, 255, 255, .62); font-size: 14px; transition: color var(--transition); }
    .footer-col ul a:hover { color: var(--accent); }
    .footer-col p { color: rgba(255, 255, 255, .62); font-size: 14px; margin-bottom: 10px; }
    .footer-col p i { color: var(--accent); width: 20px; text-align: center; margin-right: 6px; }
    .footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 18px 0; font-size: 12.5px; color: rgba(255, 255, 255, .5); }
    .footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
    @media (max-width: 991.98px) {
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    }
    @media (max-width: 575.98px) {
      .footer-grid { grid-template-columns: 1fr; gap: 28px; }
      .footer-bottom-inner { flex-direction: column; text-align: center; }
    }

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