/* roulang page: index */
:root {
  --c-primary: #0f1e34;
  --c-primary-light: #1a2f4f;
  --c-primary-dark: #081322;
  --c-accent: #e9a93b;
  --c-accent-light: #f2c46e;
  --c-accent-dark: #c98a24;
  --c-accent-soft: #fdf3e0;
  --c-bg: #f4f5f9;
  --c-bg-deep: #e9ecf3;
  --c-white: #ffffff;
  --c-text: #1b2938;
  --c-text-light: #53667d;
  --c-text-faint: #8694a8;
  --c-border: #dfe4ed;
  --c-success: #23a56d;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(15, 30, 52, 0.06);
  --shadow: 0 8px 28px rgba(15, 30, 52, 0.10);
  --shadow-lg: 0 18px 48px rgba(15, 30, 52, 0.16);
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-w: 264px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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

ul {
  list-style: none;
}

.container-lg {
  max-width: 1190px;
  margin: 0 auto;
  padding: 0 30px;
}

@media (max-width: 520px) {
  .container-lg {
    padding: 0 18px;
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  will-change: transform;
  white-space: nowrap;
}

.btn i {
  font-size: 14px;
}

.btn-accent {
  background: var(--c-accent);
  color: var(--c-primary);
  box-shadow: 0 6px 20px rgba(233, 169, 59, 0.35);
}

.btn-accent:hover {
  background: var(--c-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(233, 169, 59, 0.42);
}

.btn-accent:active {
  transform: translateY(0);
  box-shadow: 0 4px 14px rgba(233, 169, 59, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--c-white);
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  border-color: var(--c-white);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-ghost:active {
  transform: translateY(0);
}

.btn-dark {
  background: var(--c-primary);
  color: var(--c-white);
  box-shadow: 0 6px 18px rgba(15, 30, 52, 0.18);
}

.btn-dark:hover {
  background: var(--c-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(15, 30, 52, 0.26);
}

/* ===== Section common ===== */
.section {
  padding: 90px 0;
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
}

.section-white {
  background: var(--c-white);
}

.section-deep {
  background: var(--c-bg-deep);
}

.section-head {
  margin-bottom: 48px;
  max-width: 680px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-primary);
  margin: 14px 0 14px;
  letter-spacing: -0.5px;
}

@media (max-width: 768px) {
  .section-head h2 {
    font-size: 25px;
  }
}

.section-head p {
  font-size: 16px;
  color: var(--c-text-light);
  line-height: 1.75;
  margin: 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: var(--c-accent-soft);
  color: var(--c-accent-dark);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 999px;
  text-transform: uppercase;
}

.tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  display: inline-block;
}

/* ===== Mobile Header ===== */
.mobile-header {
  display: none;
}

@media (max-width: 1024px) {
  .mobile-header {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 100;
    height: 62px;
    align-items: center;
    justify-content: space-between;
    padding: 0 22px;
    background: var(--c-primary);
    box-shadow: 0 2px 14px rgba(8, 19, 34, 0.35);
  }

  .mobile-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--c-white);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0.3px;
  }

  .mobile-brand .brand-dot {
    width: 30px;
    height: 30px;
    background: var(--c-accent);
    color: var(--c-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0;
  }

  .mobile-toggle {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--c-white);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
  }

  .mobile-toggle:hover {
    background: rgba(255, 255, 255, 0.16);
  }

  .mobile-panel {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--c-primary-light);
    padding: 18px 22px 24px;
    display: none;
    flex-direction: column;
    gap: 6px;
    box-shadow: 0 18px 32px rgba(8, 19, 34, 0.35);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }

  .mobile-panel.open {
    display: flex;
  }

  .mobile-link {
    display: block;
    padding: 13px 16px;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 15px;
    font-weight: 500;
    transition: background var(--transition), color var(--transition);
  }

  .mobile-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--c-white);
  }

  .mobile-link.active {
    background: rgba(233, 169, 59, 0.14);
    color: var(--c-accent-light);
    font-weight: 600;
  }
}

/* ===== Sidebar ===== */
.site-shell {
  display: flex;
  min-height: 100vh;
}

.side-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: linear-gradient(180deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  display: flex;
  flex-direction: column;
  z-index: 80;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.12) transparent;
}

.side-nav::-webkit-scrollbar {
  width: 4px;
}

.side-nav::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 4px;
}

.side-inner {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 28px 20px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 8px 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 24px;
}

.brand-badge {
  width: 42px;
  height: 42px;
  background: var(--c-accent);
  color: var(--c-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 16px rgba(233, 169, 59, 0.35);
}

.brand-name {
  font-size: 19px;
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: 0.2px;
  line-height: 1.3;
}

.brand-sub {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.side-menu {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.side-menu-title {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  padding: 0 14px 10px;
  font-weight: 600;
}

.side-link {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 13px 14px;
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  position: relative;
}

.side-link:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--c-white);
  transform: translateX(3px);
}

.side-link.active {
  background: rgba(233, 169, 59, 0.14);
  color: var(--c-accent-light);
  font-weight: 600;
}

.side-link.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 22px;
  background: var(--c-accent);
  border-radius: 3px;
}

.side-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 14px;
  transition: background var(--transition);
  flex-shrink: 0;
}

.side-link:hover .side-icon,
.side-link.active .side-icon {
  background: rgba(233, 169, 59, 0.18);
}

.side-footer {
  margin-top: auto;
  padding: 22px 14px 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.side-note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.42);
  line-height: 1.6;
  margin-bottom: 14px;
}

.side-btn {
  display: block;
  text-align: center;
  padding: 10px 16px;
  background: var(--c-accent);
  color: var(--c-primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(233, 169, 59, 0.25);
}

.side-btn:hover {
  background: var(--c-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(233, 169, 59, 0.35);
}

.site-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-width: 0;
}

@media (max-width: 1024px) {
  .side-nav {
    display: none;
  }
  .site-content {
    margin-left: 0;
  }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background-color: var(--c-primary);
  background-image: linear-gradient(135deg, rgba(8, 19, 34, 0.94) 0%, rgba(15, 30, 52, 0.82) 55%, rgba(26, 47, 79, 0.55) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 100px 0;
  overflow: hidden;
  color: var(--c-white);
}

@media (max-width: 768px) {
  .hero {
    padding: 66px 0;
  }
}

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

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 26px;
  backdrop-filter: blur(4px);
}

.hero-eyebrow .eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 4px rgba(233, 169, 59, 0.2);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(233, 169, 59, 0.2); }
  50% { box-shadow: 0 0 0 8px rgba(233, 169, 59, 0.1); }
}

.hero-title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.hero-title em {
  font-style: normal;
  color: var(--c-accent);
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 30px;
  }
}

@media (max-width: 520px) {
  .hero-title {
    font-size: 26px;
  }
}

.hero-desc {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  max-width: 540px;
  margin-bottom: 34px;
}

@media (max-width: 520px) {
  .hero-desc {
    font-size: 15px;
  }
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-meta i {
  color: var(--c-accent);
}

.hero-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 26px;
  box-shadow: 0 20px 48px rgba(8, 19, 34, 0.4);
}

.hero-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 16px;
}

.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #7dd6a8;
  font-weight: 600;
}

.live-dot::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #7dd6a8;
  box-shadow: 0 0 0 4px rgba(125, 214, 168, 0.18);
  animation: pulse 1.6s infinite;
}

.hero-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-white);
  line-height: 1.5;
  margin-bottom: 14px;
}

.hero-card-score {
  font-size: 38px;
  font-weight: 800;
  color: var(--c-accent);
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.hero-card-score .vs {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.4);
}

.hero-card-meta {
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  justify-content: space-between;
}

.hero-card-round {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(233, 169, 59, 0.16);
  color: var(--c-accent-light);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

/* ===== Stats ===== */
.stats-section {
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
}

.stats-grid {
  row-gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 24px 16px;
  border-radius: var(--radius);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.stat-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1.1;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (max-width: 520px) {
  .stat-num {
    font-size: 30px;
  }
}

.stat-label {
  margin-top: 8px;
  font-size: 14px;
  color: var(--c-text-light);
}

/* ===== About ===== */
.about-grid {
  align-items: center;
  row-gap: 40px;
}

.about-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.about-media img {
  width: 100%;
  object-fit: cover;
  min-height: 320px;
}

.about-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(15, 30, 52, 0.35));
}

.about-content h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--c-primary);
  margin: 14px 0 18px;
}

.about-content p {
  font-size: 15px;
  color: var(--c-text-light);
  line-height: 1.8;
  margin-bottom: 24px;
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.about-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.about-check {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--c-accent-soft);
  color: var(--c-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 3px;
}

.about-list li strong {
  display: block;
  font-size: 16px;
  color: var(--c-text);
  margin-bottom: 3px;
}

.about-list li p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

/* ===== Features ===== */
.feature-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  height: 100%;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-accent-light);
}

.feature-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover::after {
  opacity: 1;
}

.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--c-accent-soft), rgba(233, 169, 59, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 21px;
  color: var(--c-accent-dark);
  margin-bottom: 22px;
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 10px;
}

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

/* ===== Category Cards ===== */
.category-card {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  min-height: 320px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.category-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 30, 52, 0.08) 0%, rgba(8, 19, 34, 0.88) 80%);
  transition: background var(--transition);
}

.category-card:hover::after {
  background: linear-gradient(180deg, rgba(15, 30, 52, 0.05) 0%, rgba(8, 19, 34, 0.92) 85%);
}

.category-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px 26px;
  z-index: 2;
  color: var(--c-white);
}

.category-index {
  display: inline-flex;
  align-items: center;
  background: rgba(233, 169, 59, 0.18);
  border: 1px solid rgba(233, 169, 59, 0.35);
  color: var(--c-accent-light);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.category-overlay h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.category-overlay p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin-bottom: 16px;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-accent);
  transition: gap var(--transition);
}

.category-card:hover .category-link {
  gap: 14px;
}

/* ===== News / Posts ===== */
.post-grid {
  row-gap: 24px;
}

.post-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  height: 100%;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--c-accent-light);
}

.post-card a {
  display: flex;
  flex-direction: column;
  padding: 26px;
  height: 100%;
}

.post-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.5;
  margin-bottom: 10px;
  transition: color var(--transition);
}

.post-card:hover h3 {
  color: var(--c-accent-dark);
}

.post-desc {
  font-size: 14px;
  color: var(--c-text-light);
  line-height: 1.7;
  margin-bottom: 18px;
  flex: 1;
}

.post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--c-border);
}

.post-cat {
  display: inline-flex;
  padding: 4px 12px;
  background: var(--c-accent-soft);
  color: var(--c-accent-dark);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.post-meta time {
  font-size: 13px;
  color: var(--c-text-faint);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.empty-info {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px 20px;
  background: var(--c-white);
  border: 1px dashed var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text-light);
  font-size: 15px;
}

/* ===== Ranking ===== */
.rank-panel {
  background: var(--c-primary);
  border-radius: var(--radius-lg);
  padding: 38px;
  color: var(--c-white);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.rank-panel::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(233, 169, 59, 0.08);
}

@media (max-width: 768px) {
  .rank-panel {
    padding: 24px;
  }
}

.rank-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 26px;
}

.rank-head h3 {
  font-size: 21px;
  font-weight: 600;
}

.rank-tabs {
  display: flex;
  gap: 6px;
}

.rank-tab {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.6);
  transition: background var(--transition), color var(--transition);
}

.rank-tab.active {
  background: var(--c-accent);
  color: var(--c-primary);
  font-weight: 600;
}

.rank-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rank-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 14px;
  transition: background var(--transition), transform var(--transition);
}

.rank-row:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(4px);
}

.rank-pos {
  font-size: 15px;
  font-weight: 800;
  color: var(--c-accent);
  width: 36px;
  text-align: center;
  flex-shrink: 0;
}

.rank-pos.dim {
  color: rgba(255, 255, 255, 0.35);
}

.rank-info {
  min-width: 120px;
  flex-shrink: 0;
}

@media (max-width: 520px) {
  .rank-info {
    min-width: 80px;
  }
}

.rank-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-white);
  white-space: nowrap;
}

.rank-sub {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

.rank-track {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
  margin: 0 8px;
}

.rank-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--c-accent-dark), var(--c-accent-light));
  border-radius: 999px;
  transition: width 0.8s ease;
}

.rank-score {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-accent-light);
  min-width: 46px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ===== Steps ===== */
.step-item {
  position: relative;
  padding: 32px 24px 24px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  height: 100%;
  transition: transform var(--transition), box-shadow var(--transition);
}

.step-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.step-num {
  display: inline-flex;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
  color: var(--c-accent);
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 18px;
  box-shadow: 0 6px 18px rgba(15, 30, 52, 0.18);
}

.step-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 10px;
}

.step-item p {
  font-size: 14px;
  color: var(--c-text-light);
  line-height: 1.7;
  margin: 0;
}

.step-line {
  position: absolute;
  top: 50px;
  right: -18px;
  width: 36px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--c-accent) 0 6px, transparent 6px 12px);
  display: none;
}

@media (min-width: 1025px) {
  .step-line {
    display: block;
  }
}

/* ===== FAQ ===== */
.faq-grid {
  align-items: flex-start;
  row-gap: 36px;
}

.faq-head {
  position: sticky;
  top: 30px;
}

.faq-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--c-primary);
  margin: 14px 0 12px;
  line-height: 1.35;
}

.faq-head p {
  color: var(--c-text-light);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item.open {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  background: transparent;
  text-align: left;
  transition: background var(--transition);
}

.faq-question:hover {
  background: var(--c-bg);
}

.faq-question .faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--c-accent-soft);
  color: var(--c-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
  background: var(--c-accent);
  color: var(--c-white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 320px;
}

.faq-answer p {
  padding: 0 22px 22px;
  font-size: 14px;
  color: var(--c-text-light);
  line-height: 1.8;
  margin: 0;
}

/* ===== CTA ===== */
.cta-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--c-primary);
  background-image: linear-gradient(135deg, rgba(8, 19, 34, 0.92), rgba(26, 47, 79, 0.75)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  padding: 72px 48px;
  text-align: center;
  color: var(--c-white);
}

@media (max-width: 768px) {
  .cta-banner {
    padding: 48px 24px;
  }
}

.cta-banner h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 14px;
}

@media (max-width: 520px) {
  .cta-banner h2 {
    font-size: 23px;
  }
}

.cta-banner p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 560px;
  margin: 0 auto 30px;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--c-primary-dark);
  color: rgba(255, 255, 255, 0.72);
  padding: 60px 0 0;
}

.footer-grid {
  row-gap: 40px;
}

.footer-brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.footer-brand-badge {
  width: 38px;
  height: 38px;
  background: var(--c-accent);
  color: var(--c-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
}

.footer-brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-white);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 22px;
  max-width: 320px;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-white);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition), padding-left var(--transition);
}

.footer-links a:hover {
  color: var(--c-accent);
  padding-left: 4px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-contact li i {
  color: var(--c-accent);
  width: 16px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 20px 0;
  margin-top: 50px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.55);
}

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

/* ===== Responsive adjustments ===== */
@media (max-width: 768px) {
  .hero-title {
    font-size: 30px;
  }
  .section-head h2 {
    font-size: 25px;
  }
  .about-content h2 {
    font-size: 24px;
  }
  .category-overlay h3 {
    font-size: 20px;
  }
  .rank-panel {
    padding: 24px;
  }
  .rank-row {
    flex-wrap: wrap;
  }
  .rank-track {
    order: 4;
    flex-basis: 100%;
    margin-top: 6px;
  }
  .cta-banner h2 {
    font-size: 24px;
  }
}

@media (max-width: 520px) {
  .section {
    padding: 52px 0;
  }
  .hero {
    padding: 54px 0;
  }
  .hero-title {
    font-size: 25px;
  }
  .hero-desc {
    font-size: 14px;
  }
  .hero-actions .btn {
    padding: 11px 20px;
    font-size: 14px;
  }
  .hero-card {
    padding: 20px;
  }
  .stat-num {
    font-size: 28px;
  }
  .feature-card {
    padding: 24px 20px;
  }
  .category-card {
    min-height: 260px;
  }
  .category-overlay {
    padding: 20px;
  }
  .post-card a {
    padding: 20px;
  }
  .rank-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .rank-pos {
    width: 26px;
  }
  .footer-bottom {
    padding: 16px 10px;
    font-size: 12px;
  }
}

/* ===== Utility ===== */
.text-accent {
  color: var(--c-accent);
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

/* roulang page: category1 */
:root {
      --primary: #0f7a6c;
      --primary-dark: #0a5e53;
      --primary-light: #12a08e;
      --accent: #e8a13a;
      --accent-dark: #c98523;
      --bg: #f4f6f8;
      --bg-white: #ffffff;
      --bg-deep: #0c1f26;
      --text: #1c2b33;
      --text-weak: #64757f;
      --text-light: #93a4ad;
      --border: #e2e8ec;
      --radius: 18px;
      --radius-sm: 12px;
      --shadow: 0 10px 30px rgba(15, 35, 45, 0.08);
      --shadow-lg: 0 20px 50px rgba(15, 35, 45, 0.14);
      --space: 32px;
      --space-sm: 20px;
      --font: "PingFang SC", "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);
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.25s ease;
    }

    button,
    input {
      font-family: inherit;
    }

    ul,
    ol {
      list-style: none;
    }

    .container-lg {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ===== 左侧竖向导航 ===== */
    .site-layout {
      display: flex;
      min-height: 100vh;
    }

    .side-nav {
      width: 240px;
      flex-shrink: 0;
      background: var(--bg-deep);
      color: #dce6ec;
      display: flex;
      flex-direction: column;
      position: sticky;
      top: 0;
      height: 100vh;
      overflow-y: auto;
      z-index: 100;
      border-right: 1px solid rgba(255, 255, 255, 0.06);
    }

    .side-brand {
      padding: 30px 22px 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

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

    .brand-emblem {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, var(--primary-light), var(--accent));
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: #fff;
      font-size: 16px;
      letter-spacing: 1px;
      box-shadow: 0 6px 18px rgba(18, 160, 142, 0.35);
    }

    .brand-name {
      font-size: 17px;
      font-weight: 700;
      color: #fff;
      letter-spacing: 0.5px;
    }

    .brand-subtitle {
      font-size: 11px;
      color: rgba(255, 255, 255, 0.5);
      letter-spacing: 2px;
      margin-top: 2px;
    }

    .side-menu {
      padding: 24px 16px;
      flex: 1;
    }

    .side-menu-title {
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 2px;
      color: rgba(255, 255, 255, 0.4);
      padding: 0 10px;
      margin-bottom: 14px;
      font-weight: 600;
    }

    .side-link {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 13px 14px;
      border-radius: 12px;
      margin-bottom: 6px;
      color: rgba(255, 255, 255, 0.7);
      font-size: 15px;
      font-weight: 500;
      transition: all 0.25s ease;
      border: 1px solid transparent;
    }

    .side-link:hover {
      background: rgba(255, 255, 255, 0.06);
      color: #fff;
      transform: translateX(3px);
    }

    .side-link.active {
      background: linear-gradient(135deg, rgba(18, 160, 142, 0.25), rgba(232, 161, 58, 0.18));
      color: #fff;
      border-color: rgba(18, 160, 142, 0.3);
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    }

    .side-icon {
      width: 34px;
      height: 34px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.08);
      font-size: 14px;
      color: var(--primary-light);
      flex-shrink: 0;
    }

    .side-link.active .side-icon {
      background: var(--primary);
      color: #fff;
    }

    .side-text {
      font-size: 15px;
    }

    .side-footer-note {
      padding: 20px 22px;
      font-size: 11px;
      color: rgba(255, 255, 255, 0.35);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      text-align: center;
    }

    /* ===== 主内容区 ===== */
    .main-content {
      flex: 1;
      min-width: 0;
      display: flex;
      flex-direction: column;
    }

    /* ===== 顶部移动端提示条 ===== */
    .mobile-topbar {
      display: none;
      background: var(--bg-deep);
      padding: 12px 20px;
      align-items: center;
      justify-content: space-between;
      position: sticky;
      top: 0;
      z-index: 200;
    }

    .mobile-topbar .brand-name {
      font-size: 16px;
    }

    .mobile-hamburger {
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.25);
      color: #fff;
      width: 38px;
      height: 38px;
      border-radius: 10px;
      font-size: 16px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .mobile-menu {
      display: none;
      background: var(--bg-deep);
      padding: 10px 20px 20px;
    }

    .mobile-menu.open {
      display: block;
    }

    .mobile-menu .side-link {
      color: rgba(255, 255, 255, 0.8);
    }

    /* ===== 内页 Banner ===== */
    .page-hero {
      position: relative;
      background-image: linear-gradient(135deg, rgba(12, 31, 38, 0.9), rgba(12, 31, 38, 0.6)), url('/assets/images/backpic/back-2.png');
      background-size: cover;
      background-position: center;
      padding: 80px 0 70px;
      color: #fff;
    }

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

    .page-hero-tag {
      display: inline-block;
      background: rgba(232, 161, 58, 0.2);
      border: 1px solid rgba(232, 161, 58, 0.4);
      color: #f4c877;
      font-size: 13px;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: 30px;
      letter-spacing: 1px;
      margin-bottom: 16px;
    }

    .page-hero h1 {
      font-size: 38px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: 1px;
    }

    .page-hero p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.75);
      max-width: 620px;
      margin-bottom: 28px;
      line-height: 1.8;
    }

    .hero-stats {
      display: flex;
      gap: 32px;
      flex-wrap: wrap;
    }

    .hero-stat-item {
      text-align: center;
      padding: 14px 22px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-sm);
      backdrop-filter: blur(6px);
      min-width: 100px;
    }

    .hero-stat-num {
      font-size: 24px;
      font-weight: 800;
      color: #fff;
      display: block;
      line-height: 1.3;
    }

    .hero-stat-label {
      font-size: 12px;
      color: rgba(255, 255, 255, 0.6);
      margin-top: 4px;
    }

    /* ===== 板块通用 ===== */
    .section-block {
      padding: 70px 0;
    }

    .section-block-alt {
      background: var(--bg-white);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      margin-bottom: 36px;
      gap: 20px;
      flex-wrap: wrap;
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: 2px;
      text-transform: uppercase;
      margin-bottom: 8px;
      background: rgba(15, 122, 108, 0.08);
      padding: 4px 14px;
      border-radius: 30px;
    }

    .section-title {
      font-size: 30px;
      font-weight: 800;
      color: var(--text);
      line-height: 1.3;
      margin-bottom: 6px;
    }

    .section-sub {
      font-size: 15px;
      color: var(--text-weak);
      max-width: 560px;
    }

    /* ===== 赛事卡片 ===== */
    .match-card {
      background: var(--bg-white);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      border: 1px solid var(--border);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .match-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .match-card-img {
      position: relative;
      height: 190px;
      overflow: hidden;
    }

    .match-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .match-card:hover .match-card-img img {
      transform: scale(1.06);
    }

    .match-card-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(12, 31, 38, 0.8);
      backdrop-filter: blur(4px);
      color: #f4c877;
      font-size: 12px;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: 30px;
      letter-spacing: 0.5px;
      border: 1px solid rgba(232, 161, 58, 0.4);
    }

    .match-card-status {
      position: absolute;
      top: 14px;
      right: 14px;
      background: rgba(15, 122, 108, 0.9);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: 30px;
      letter-spacing: 0.5px;
    }

    .match-card-status.finished {
      background: rgba(100, 117, 127, 0.85);
    }

    .match-card-body {
      padding: 22px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .match-card-league {
      font-size: 12px;
      color: var(--primary);
      font-weight: 700;
      letter-spacing: 1px;
      margin-bottom: 8px;
      text-transform: uppercase;
    }

    .match-card-title {
      font-size: 18px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 10px;
      color: var(--text);
    }

    .match-card-info {
      font-size: 13px;
      color: var(--text-weak);
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      margin-bottom: 16px;
    }

    .match-card-info i {
      font-size: 12px;
      margin-right: 5px;
      color: var(--accent);
    }

    .match-card-bottom {
      margin-top: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--border);
      padding-top: 16px;
    }

    .match-vote {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-weak);
    }

    .match-vote i {
      color: var(--accent);
      margin-right: 4px;
    }

    .link-arrow {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: gap 0.25s ease;
    }

    .link-arrow:hover {
      gap: 10px;
    }

    /* ===== 排名榜 ===== */
    .ranking-panel {
      background: var(--bg-white);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      border: 1px solid var(--border);
      overflow: hidden;
    }

    .ranking-table {
      width: 100%;
      border-collapse: collapse;
    }

    .ranking-table thead th {
      background: var(--bg-deep);
      color: rgba(255, 255, 255, 0.85);
      font-size: 13px;
      font-weight: 600;
      text-align: left;
      padding: 16px 20px;
      letter-spacing: 0.5px;
      border-bottom: 2px solid rgba(232, 161, 58, 0.3);
    }

    .ranking-table tbody td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
      font-size: 14px;
      vertical-align: middle;
    }

    .ranking-table tbody tr:last-child td {
      border-bottom: none;
    }

    .ranking-table tbody tr {
      transition: background 0.2s ease;
    }

    .ranking-table tbody tr:hover {
      background: rgba(15, 122, 108, 0.04);
    }

    .rank-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 30px;
      height: 30px;
      border-radius: 8px;
      font-weight: 800;
      font-size: 13px;
      background: #eef2f4;
      color: var(--text);
    }

    .rank-num.top {
      background: linear-gradient(135deg, var(--accent), #f6c05f);
      color: #fff;
      box-shadow: 0 4px 10px rgba(232, 161, 58, 0.3);
    }

    .team-cell {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .team-avatar {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      font-size: 14px;
      flex-shrink: 0;
    }

    .team-name {
      font-weight: 600;
      font-size: 14px;
      color: var(--text);
    }

    .points-badge {
      display: inline-block;
      background: rgba(15, 122, 108, 0.08);
      color: var(--primary);
      font-weight: 700;
      font-size: 14px;
      padding: 4px 14px;
      border-radius: 30px;
    }

    .trend-up {
      color: #0f9d6a;
      font-size: 13px;
      font-weight: 700;
    }

    .trend-down {
      color: #d9534f;
      font-size: 13px;
      font-weight: 700;
    }

    /* ===== 赛程时间线 ===== */
    .timeline-wrap {
      position: relative;
      padding-left: 36px;
    }

    .timeline-wrap::before {
      content: '';
      position: absolute;
      left: 14px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(to bottom, var(--primary), var(--accent));
      border-radius: 2px;
    }

    .timeline-item {
      position: relative;
      margin-bottom: 28px;
      background: var(--bg-white);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      padding: 20px 24px;
      transition: box-shadow 0.3s ease;
    }

    .timeline-item:hover {
      box-shadow: var(--shadow-lg);
    }

    .timeline-dot {
      position: absolute;
      left: -32px;
      top: 26px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--primary);
      border: 3px solid #fff;
      box-shadow: 0 0 0 2px var(--primary);
    }

    .timeline-dot.hot {
      background: var(--accent);
      box-shadow: 0 0 0 2px var(--accent);
    }

    .timeline-date {
      font-size: 13px;
      font-weight: 700;
      color: var(--accent-dark);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .timeline-date i {
      font-size: 12px;
    }

    .timeline-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 6px;
    }

    .timeline-text {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.7;
    }

    /* ===== 数据统计 ===== */
    .data-grid {
      margin-top: 10px;
    }

    .data-card {
      background: var(--bg-white);
      border-radius: var(--radius);
      padding: 28px 22px;
      text-align: center;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      height: 100%;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .data-card::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .data-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .data-card:hover::after {
      opacity: 1;
    }

    .data-icon {
      width: 52px;
      height: 52px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(15, 122, 108, 0.12), rgba(232, 161, 58, 0.12));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: var(--primary);
      margin: 0 auto 16px;
    }

    .data-num {
      font-size: 32px;
      font-weight: 800;
      color: var(--text);
      line-height: 1.2;
      margin-bottom: 6px;
    }

    .data-label {
      font-size: 14px;
      color: var(--text-weak);
    }

    /* ===== FAQ ===== */
    .faq-wrap {
      max-width: 780px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      box-shadow: 0 4px 12px rgba(15, 35, 45, 0.04);
      overflow: hidden;
      transition: box-shadow 0.3s ease;
    }

    .faq-item:hover {
      box-shadow: var(--shadow);
    }

    .faq-question {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      user-select: none;
      color: var(--text);
    }

    .faq-question .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(15, 122, 108, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      color: var(--primary);
      flex-shrink: 0;
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease;
    }

    .faq-answer-text {
      padding: 0 24px 20px;
      font-size: 15px;
      color: var(--text-weak);
      line-height: 1.8;
      border-top: 1px solid var(--border);
      padding-top: 16px;
      margin-top: 0;
    }

    /* ===== CTA ===== */
    .cta-panel {
      background: linear-gradient(135deg, var(--bg-deep), #14323d);
      border-radius: var(--radius);
      padding: 56px 60px;
      position: relative;
      overflow: hidden;
      text-align: center;
      color: #fff;
    }

    .cta-panel::before {
      content: '';
      position: absolute;
      top: -40%;
      right: -20%;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(18, 160, 142, 0.25), transparent 70%);
    }

    .cta-panel h2 {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 14px;
      position: relative;
      z-index: 1;
    }

    .cta-panel p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.7);
      max-width: 560px;
      margin: 0 auto 30px;
      position: relative;
      z-index: 1;
    }

    .btn-group {
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
      position: relative;
      z-index: 1;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      padding: 13px 30px;
      border-radius: 40px;
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 8px 24px rgba(15, 122, 108, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 32px rgba(15, 122, 108, 0.4);
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: transparent;
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      padding: 13px 30px;
      border-radius: 40px;
      border: 1.5px solid rgba(255, 255, 255, 0.4);
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .btn-outline:hover {
      border-color: #fff;
      background: rgba(255, 255, 255, 0.06);
      transform: translateY(-3px);
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--bg-deep);
      color: rgba(255, 255, 255, 0.6);
      padding-top: 60px;
      margin-top: auto;
    }

    .footer-grid {
      padding-bottom: 40px;
    }

    .footer-brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .footer-brand-badge {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary-light), var(--accent));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: #fff;
      font-size: 14px;
    }

    .footer-brand-name {
      font-size: 17px;
      font-weight: 700;
      color: #fff;
    }

    .footer-desc {
      font-size: 14px;
      line-height: 1.8;
      max-width: 320px;
      color: rgba(255, 255, 255, 0.55);
    }

    .footer-title {
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 10px;
    }

    .footer-title::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 28px;
      height: 3px;
      background: linear-gradient(90deg, var(--primary-light), var(--accent));
      border-radius: 3px;
    }

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

    .footer-links a {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
      transition: color 0.25s ease, padding-left 0.25s ease;
      display: inline-block;
    }

    .footer-links a:hover {
      color: #fff;
      padding-left: 6px;
    }

    .footer-contact li {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .footer-contact i {
      width: 20px;
      color: var(--accent);
      font-size: 14px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: 22px 0;
      text-align: center;
    }

    .footer-bottom p {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.4);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .side-nav {
        width: 200px;
      }

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

      .section-title {
        font-size: 26px;
      }

      .cta-panel {
        padding: 44px 36px;
      }
    }

    @media (max-width: 768px) {
      .site-layout {
        flex-direction: column;
      }

      .side-nav {
        display: none;
      }

      .mobile-topbar {
        display: flex;
      }

      .page-hero {
        padding: 56px 0 50px;
      }

      .page-hero h1 {
        font-size: 28px;
      }

      .hero-stats {
        gap: 16px;
      }

      .hero-stat-item {
        padding: 12px 16px;
        min-width: 80px;
      }

      .hero-stat-num {
        font-size: 20px;
      }

      .section-block {
        padding: 50px 0;
      }

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

      .ranking-table-wrap {
        overflow-x: auto;
      }

      .ranking-table {
        min-width: 640px;
      }

      .timeline-wrap {
        padding-left: 28px;
      }

      .cta-panel {
        padding: 36px 24px;
      }

      .cta-panel h2 {
        font-size: 24px;
      }
    }

    @media (max-width: 520px) {
      .container-lg {
        padding: 0 16px;
      }

      .page-hero h1 {
        font-size: 24px;
      }

      .page-hero p {
        font-size: 14px;
      }

      .section-title {
        font-size: 22px;
      }

      .section-sub {
        font-size: 14px;
      }

      .hero-stat-item {
        min-width: 70px;
        padding: 10px 12px;
      }

      .hero-stat-num {
        font-size: 18px;
      }

      .match-card-title {
        font-size: 16px;
      }

      .btn-primary,
      .btn-outline {
        padding: 11px 22px;
        font-size: 14px;
        width: 100%;
        justify-content: center;
      }

      .btn-group {
        flex-direction: column;
        gap: 10px;
      }

      .timeline-item {
        padding: 16px 18px;
      }

      .timeline-title {
        font-size: 15px;
      }

      .footer-grid {
        padding-bottom: 20px;
      }
    }

/* roulang page: category2 */
:root {
    --primary: #1a2b4c;
    --primary-light: #2e4a7a;
    --accent: #d4a853;
    --accent-light: #e8c97a;
    --dark-bg: #0f1928;
    --panel-bg: #f7f8fc;
    --card-bg: #ffffff;
    --text: #1e2735;
    --text-weak: #6b7a90;
    --border: #e4e9f2;
    --radius: 18px;
    --radius-sm: 12px;
    --shadow: 0 8px 30px rgba(26, 43, 76, 0.08);
    --shadow-hover: 0 14px 40px rgba(26, 43, 76, 0.14);
    --space: 2.5rem;
    --space-lg: 5rem;
  }

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

  html {
    font-size: 16px;
    scroll-behavior: smooth;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--panel-bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

  a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
  }

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

  .emc-app-shell {
    display: flex;
    min-height: 100vh;
  }

  /* ========== 左侧竖向导航 ========== */
  .side-nav {
    width: 280px;
    flex-shrink: 0;
    background: var(--dark-bg);
    color: #fff;
    min-height: 100vh;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 2rem 1.25rem;
    z-index: 100;
    border-right: 1px solid rgba(255,255,255,0.06);
  }

  .brand-logo {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.25rem 0.5rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 1.75rem;
  }

  .brand-badge {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), #b8893c);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: var(--dark-bg);
    box-shadow: 0 4px 16px rgba(212, 168, 83, 0.35);
  }

  .brand-name {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.3;
  }

  .brand-name small {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.08em;
  }

  .side-menu-title {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: rgba(255,255,255,0.4);
    padding: 0 0.75rem;
    margin-bottom: 0.85rem;
    font-weight: 600;
  }

  .side-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.8rem 0.9rem;
    border-radius: 12px;
    color: rgba(255,255,255,0.7);
    font-size: 0.96rem;
    font-weight: 500;
    margin-bottom: 0.3rem;
    transition: all 0.25s ease;
    border: 1px solid transparent;
  }

  .side-link:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
    transform: translateX(3px);
  }

  .side-link.active {
    background: linear-gradient(135deg, rgba(212,168,83,0.22), rgba(212,168,83,0.08));
    border-color: rgba(212,168,83,0.25);
    color: var(--accent-light);
    font-weight: 600;
  }

  .side-icon {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(255,255,255,0.06);
    font-size: 0.9rem;
    flex-shrink: 0;
  }

  .side-link.active .side-icon {
    background: rgba(212,168,83,0.18);
    color: var(--accent);
  }

  .side-nav-footer {
    margin-top: auto;
    padding: 1rem 0.75rem 0;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
    line-height: 1.6;
  }

  /* ========== 右侧主内容 ========== */
  .main-content {
    flex: 1;
    min-width: 0;
    background: var(--panel-bg);
  }

  .container-lg {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
  }

  /* ========== 分类 Banner ========== */
  .category-hero {
    position: relative;
    padding: 5rem 0 4rem;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary) 60%, var(--primary-light) 100%);
    color: #fff;
    overflow: hidden;
  }

  .category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    opacity: 0.22;
    z-index: 0;
  }

  .category-hero::after {
    content: '';
    position: absolute;
    top: -60%;
    right: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212,168,83,0.2), transparent 70%);
    z-index: 1;
  }

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

  .category-crumb {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: 1.2rem;
    background: rgba(255,255,255,0.08);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    border: 1px solid rgba(255,255,255,0.1);
  }

  .category-crumb a:hover {
    color: var(--accent-light);
  }

  .category-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: #fff;
  }

  .category-hero h1 span {
    color: var(--accent);
  }

  .category-hero-desc {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.75);
    max-width: 720px;
    margin-bottom: 2rem;
  }

  .hero-badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    border-radius: 100px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.8);
    font-size: 0.85rem;
    font-weight: 500;
  }

  .hero-badge i {
    color: var(--accent);
  }

  /* ========== 板块容器 ========== */
  .section-block {
    padding: var(--space-lg) 0;
  }

  .section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
  }

  .section-header-left {
    max-width: 700px;
  }

  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(212,168,83,0.12);
    padding: 0.35rem 1rem;
    border-radius: 100px;
    margin-bottom: 0.8rem;
  }

  .section-title {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.25;
    color: var(--primary);
    letter-spacing: -0.01em;
    margin-bottom: 0.5rem;
  }

  .section-sub {
    color: var(--text-weak);
    line-height: 1.7;
    margin-bottom: 0;
  }

  /* ========== 卡片 ========== */
  .card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .play-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 1.75rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
  }

  .play-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .play-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(212, 168, 83, 0.35);
  }

  .play-card:hover::before {
    opacity: 1;
  }

  .play-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1.2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--accent);
    box-shadow: 0 6px 20px rgba(26, 43, 76, 0.2);
  }

  .play-card:nth-child(2) .play-card-icon {
    background: linear-gradient(135deg, #2d1b69, #5a3bb5);
  }

  .play-card:nth-child(3) .play-card-icon {
    background: linear-gradient(135deg, #7a2e2e, #b95555);
  }

  .play-card:nth-child(4) .play-card-icon {
    background: linear-gradient(135deg, #1b5e4a, #3a9e7d);
  }

  .play-card:nth-child(5) .play-card-icon {
    background: linear-gradient(135deg, #5e4a1b, #a5843a);
  }

  .play-card:nth-child(6) .play-card-icon {
    background: linear-gradient(135deg, #1b3a5e, #3a7aa5);
  }

  .play-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.6rem;
  }

  .play-card p {
    color: var(--text-weak);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 0;
  }

  .play-card-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(212,168,83,0.12);
    padding: 0.2rem 0.7rem;
    border-radius: 100px;
    margin-top: 1rem;
  }

  /* ========== 图文区块 ========== */
  .feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow);
  }

  .feature-image {
    position: relative;
    min-height: 340px;
    background: linear-gradient(135deg, var(--dark-bg), var(--primary));
  }

  .feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
  }

  .feature-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15,25,40,0.7), transparent);
    display: flex;
    align-items: flex-end;
    padding: 2rem;
  }

  .feature-image-overlay .stat-chip {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    padding: 0.75rem 1.25rem;
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
  }

  .feature-content {
    padding: 2.5rem;
  }

  .feature-content .section-eyebrow {
    margin-bottom: 1rem;
  }

  .feature-content h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.3;
    margin-bottom: 1rem;
  }

  .feature-content p {
    color: var(--text-weak);
    line-height: 1.8;
    margin-bottom: 1.5rem;
  }

  .feature-list {
    list-style: none;
    margin: 0 0 1.5rem 0;
    padding: 0;
  }

  .feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
  }

  .feature-list li i {
    color: var(--accent);
    margin-top: 0.3rem;
    flex-shrink: 0;
  }

  /* ========== 数据统计 ========== */
  .stats-section {
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
  }

  .stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
  }

  .stats-section .container-lg {
    position: relative;
    z-index: 1;
  }

  .stats-section .section-title {
    color: #fff;
  }

  .stats-section .section-sub {
    color: rgba(255,255,255,0.6);
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
  }

  .stat-item {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    text-align: center;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
  }

  .stat-item:hover {
    background: rgba(255,255,255,0.09);
    transform: translateY(-4px);
    border-color: rgba(212,168,83,0.3);
  }

  .stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    margin-bottom: 0.4rem;
  }

  .stat-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.65);
    font-weight: 500;
  }

  /* ========== 步骤流程 ========== */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
  }

  .step-item {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
  }

  .step-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }

  .step-number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 14px rgba(26, 43, 76, 0.25);
  }

  .step-item h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
  }

  .step-item p {
    font-size: 0.88rem;
    color: var(--text-weak);
    line-height: 1.6;
    margin-bottom: 0;
  }

  .step-link {
    position: absolute;
    top: 50%;
    right: -1.2rem;
    transform: translateY(-50%);
    color: var(--accent);
    font-size: 1.2rem;
    z-index: 2;
  }

  /* ========== 资讯列表 ========== */
  .article-list-wrap {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
  }

  .article-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    transition: background 0.25s ease;
  }

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

  .article-row:hover {
    background: rgba(212,168,83,0.04);
  }

  .article-rank {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--border);
    width: 40px;
    text-align: center;
    flex-shrink: 0;
  }

  .article-row:first-child .article-rank {
    color: var(--accent);
  }
  .article-row:nth-child(2) .article-rank {
    color: #9aa8b8;
  }
  .article-row:nth-child(3) .article-rank {
    color: #b98d5e;
  }

  .article-thumb {
    width: 100px;
    height: 68px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--primary);
  }

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

  .article-row-main {
    flex: 1;
    min-width: 0;
  }

  .article-row-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(212,168,83,0.12);
    padding: 0.15rem 0.6rem;
    border-radius: 100px;
    margin-bottom: 0.35rem;
  }

  .article-row h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 0.25rem 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }

  .article-row p {
    font-size: 0.85rem;
    color: var(--text-weak);
    margin: 0;
  }

  .article-meta {
    font-size: 0.8rem;
    color: var(--text-weak);
    white-space: nowrap;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .article-meta i {
    color: var(--accent);
  }

  /* ========== FAQ ========== */
  .faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-top: 2.5rem;
  }

  .faq-item {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    padding: 1.5rem;
    transition: all 0.25s ease;
  }

  .faq-item:hover {
    border-color: rgba(212,168,83,0.4);
    box-shadow: var(--shadow);
  }

  .faq-item h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .faq-item h3 i {
    color: var(--accent);
    font-size: 0.85rem;
  }

  .faq-item p {
    font-size: 0.9rem;
    color: var(--text-weak);
    line-height: 1.7;
    margin-bottom: 0;
  }

  /* ========== CTA 区域 ========== */
  .cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius);
    padding: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    position: relative;
    overflow: hidden;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -5%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212,168,83,0.25), transparent 70%);
  }

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

  .cta-content h2 {
    color: #fff;
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 0.5rem;
  }

  .cta-content p {
    color: rgba(255,255,255,0.75);
    font-size: 1rem;
    margin-bottom: 0;
  }

  .cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--accent);
    color: var(--dark-bg);
    font-weight: 700;
    font-size: 1rem;
    padding: 0.9rem 2rem;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 24px rgba(212,168,83,0.35);
    position: relative;
    z-index: 1;
  }

  .cta-btn:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212,168,83,0.45);
  }

  .cta-btn:focus {
    outline: 3px solid rgba(212,168,83,0.4);
    outline-offset: 2px;
  }

  /* ========== 页脚 ========== */
  .site-footer {
    background: var(--dark-bg);
    color: rgba(255,255,255,0.7);
    padding-top: 3.5rem;
    margin-left: 280px;
  }

  .footer-grid {
    padding-bottom: 2.5rem;
  }

  .footer-brand-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
  }

  .footer-brand-badge {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), #b8893c);
    color: var(--dark-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.7rem;
  }

  .footer-brand-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
  }

  .footer-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.55);
    margin-bottom: 0;
    max-width: 320px;
  }

  .footer-title {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
  }

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

  .footer-links li {
    margin-bottom: 0.6rem;
  }

  .footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.92rem;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
  }

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

  .footer-links a::before {
    content: '›';
    color: var(--accent);
    font-size: 1rem;
    line-height: 1;
  }

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

  .footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.45rem 0;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.55);
  }

  .footer-contact i {
    color: var(--accent);
    width: 18px;
    text-align: center;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 1.2rem 0;
    text-align: center;
  }

  .footer-bottom p {
    margin: 0;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
  }

  /* ========== 移动端导航 ========== */
  .mobile-nav-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    background: var(--primary);
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: var(--shadow);
    transition: all 0.25s ease;
  }

  .mobile-nav-toggle:hover {
    background: var(--primary-light);
  }

  .mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,25,40,0.6);
    backdrop-filter: blur(4px);
    z-index: 98;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
  }

  .mobile-nav-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  @media screen and (max-width: 1024px) {
    .card-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .step-link {
      display: none;
    }
    .faq-grid {
      grid-template-columns: 1fr;
    }
  }

  @media screen and (max-width: 768px) {
    .side-nav {
      position: fixed;
      left: -300px;
      top: 0;
      transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: 4px 0 30px rgba(0,0,0,0.2);
    }

    .side-nav.is-open {
      left: 0;
    }

    .mobile-nav-toggle {
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .main-content {
      width: 100%;
    }

    .site-footer {
      margin-left: 0;
    }

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

    .feature-block {
      grid-template-columns: 1fr;
    }

    .feature-image {
      min-height: 240px;
    }

    .section-block {
      padding: 3rem 0;
    }

    .cta-section {
      padding: 2.5rem 2rem;
      flex-direction: column;
      text-align: center;
    }

    .article-row {
      flex-wrap: wrap;
      padding: 1.25rem 1.5rem;
    }

    .article-meta {
      width: 100%;
      padding-left: 140px;
    }
  }

  @media screen and (max-width: 520px) {
    .container-lg {
      padding: 0 1.25rem;
    }

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

    .stats-grid {
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
    }

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

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

    .section-title {
      font-size: 1.5rem;
    }

    .category-hero {
      padding: 3.5rem 0 3rem;
    }

    .category-hero h1 {
      font-size: 1.7rem;
    }

    .hero-badge-row {
      flex-direction: column;
      align-items: flex-start;
    }

    .article-thumb {
      width: 80px;
      height: 60px;
    }

    .article-meta {
      padding-left: 0;
    }

    .stats-section .stat-number {
      font-size: 1.6rem;
    }

    .stat-item {
      padding: 1.2rem 0.8rem;
    }

    .cta-section {
      padding: 2rem 1.5rem;
    }

    .cta-content h2 {
      font-size: 1.4rem;
    }

    .feature-content {
      padding: 1.8rem;
    }

    .footer-grid {
      padding-bottom: 1.5rem;
    }
  }

/* roulang page: article */
:root {
  --primary: #1b2a3a;
  --primary-dark: #101a24;
  --accent: #c9a24b;
  --accent-dark: #a8853a;
  --accent-light: #e8d5a4;
  --bg-body: #f4f1eb;
  --bg-card: #ffffff;
  --bg-soft: #f0ece4;
  --text-main: #22303c;
  --text-weak: #6b7686;
  --text-light: #f4f1eb;
  --border: #e3ddd2;
  --border-light: #ede8df;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(27, 42, 58, 0.06);
  --shadow-md: 0 8px 24px rgba(27, 42, 58, 0.08);
  --shadow-lg: 0 18px 44px rgba(27, 42, 58, 0.13);
  --sidebar-w: 260px;
  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 40px;
  --sp-5: 64px;
  --sp-6: 96px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
button { font-family: inherit; }

.site-shell { display: flex; min-height: 100vh; }

.site-sidebar {
  width: var(--sidebar-w);
  position: fixed;
  inset: 0 auto 0 0;
  background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 100%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  padding: 30px 20px 22px;
  border-right: 1px solid rgba(255,255,255,0.06);
}
.sidebar-brand { padding: 0 8px 30px; border-bottom: 1px solid rgba(255,255,255,0.09); margin-bottom: 22px; }
.brand-link { display: inline-flex; align-items: center; gap: 12px; }
.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.5px;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(201,162,75,0.45);
}
.brand-name { font-size: 18px; font-weight: 700; color: #fff; letter-spacing: 0.3px; }
.side-menu { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.side-menu-title {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 0 10px;
  margin-bottom: 10px;
}
.side-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  color: rgba(255,255,255,0.82);
  font-size: 15px;
  font-weight: 500;
  transition: all 0.25s ease;
  text-decoration: none;
}
.side-link:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
  transform: translateX(3px);
}
.side-link.active {
  background: var(--accent);
  color: var(--primary-dark);
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(201,162,75,0.4);
}
.side-icon { width: 22px; text-align: center; font-size: 16px; }
.sidebar-foot {
  margin-top: auto;
  padding: 18px 10px 0;
  border-top: 1px solid rgba(255,255,255,0.09);
  color: rgba(255,255,255,0.4);
  font-size: 13px;
}

.site-content { flex: 1; margin-left: var(--sidebar-w); min-width: 0; display: flex; flex-direction: column; }

.mobile-topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 99;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--primary-dark);
  box-shadow: 0 2px 12px rgba(0,0,0,0.18);
}
.mobile-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 16px; }
.mobile-brand .brand-badge { width: 34px; height: 34px; font-size: 12px; border-radius: 9px; }
.mobile-toggle {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s ease;
}
.mobile-toggle:hover { background: rgba(255,255,255,0.12); }
.mobile-menu { display: none; background: var(--primary-dark); padding: 10px 20px 18px; }
.mobile-menu.is-open { display: block; }
.mobile-nav { display: flex; flex-direction: column; gap: 2px; }
.mobile-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: 10px;
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  font-weight: 500;
  transition: all 0.2s ease;
}
.mobile-link:hover, .mobile-link.active { background: rgba(255,255,255,0.1); color: #fff; }
.mobile-link.active { color: var(--accent-light); }

.site-main { flex: 1; }

.container-lg { max-width: 1280px; margin: 0 auto; padding: 0 28px; }

.article-hero {
  position: relative;
  padding: 80px 0 66px;
  background-size: cover;
  background-position: center;
  color: #fff;
  border-radius: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16,26,36,0.93) 0%, rgba(27,42,58,0.78) 55%, rgba(201,162,75,0.4) 100%);
}
.article-hero-inner { position: relative; z-index: 2; max-width: 850px; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,0.7); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb .crumb-sep { opacity: 0.5; }

.article-category-tag {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
  letter-spacing: 0.3px;
  box-shadow: 0 4px 14px rgba(201,162,75,0.35);
}
.article-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 22px;
  letter-spacing: -0.5px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 14px;
  color: rgba(255,255,255,0.82);
}
.article-meta span { display: inline-flex; align-items: center; gap: 8px; }
.article-meta i { color: var(--accent-light); }

.article-content-section { padding: 52px 0 60px; }
.article-main-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
}
.article-cover-wrap { margin: 0; }
.article-cover-wrap img { width: 100%; max-height: 460px; object-fit: cover; }
.article-content-body { padding: 40px 44px 30px; }
.article-content-body h2, .article-content-body h3 {
  color: var(--primary);
  margin: 30px 0 14px;
  font-weight: 700;
}
.article-content-body h2 { font-size: 24px; }
.article-content-body h3 { font-size: 20px; }
.article-content-body p { margin: 0 0 18px; font-size: 16px; line-height: 1.9; color: #31404e; }
.article-content-body img { border-radius: 12px; margin: 20px 0; box-shadow: var(--shadow-sm); }
.article-content-body ul, .article-content-body ol { margin: 0 0 20px; padding-left: 24px; }
.article-content-body li { margin-bottom: 8px; }
.article-content-body blockquote {
  border-left: 4px solid var(--accent);
  background: var(--bg-soft);
  padding: 16px 22px;
  margin: 0 0 20px;
  border-radius: 0 10px 10px 0;
  color: var(--text-weak);
}
.article-tags {
  padding: 24px 44px 34px;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.tag-item {
  display: inline-flex;
  align-items: center;
  background: var(--bg-soft);
  color: var(--text-main);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}
.tag-item:hover { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); }

.article-not-found {
  text-align: center;
  padding: 80px 30px 90px;
}
.article-not-found i { font-size: 52px; color: var(--accent); margin-bottom: 18px; }
.article-not-found h2 { font-size: 28px; color: var(--primary); margin-bottom: 10px; }
.article-not-found p { color: var(--text-weak); margin-bottom: 26px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  line-height: 1.4;
}
.btn i { font-size: 14px; }
.btn-primary { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-light { background: #fff; color: var(--primary); border-color: #fff; }
.btn-light:hover { background: var(--accent-light); border-color: var(--accent-light); color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-outline-light:hover { background: rgba(255,255,255,0.15); border-color: #fff; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-block { width: 100%; }

.article-sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 26px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}
.sidebar-widget-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}
.sidebar-card p { font-size: 14.5px; color: var(--text-weak); line-height: 1.8; margin: 0 0 18px; }
.sidebar-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.sidebar-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 10px;
  color: var(--text-main);
  font-size: 14px;
  font-weight: 500;
  background: var(--bg-body);
  border: 1px solid var(--border-light);
  transition: all 0.22s ease;
  text-decoration: none;
}
.sidebar-links a:hover {
  background: var(--accent);
  color: var(--primary-dark);
  border-color: var(--accent);
  transform: translateX(3px);
  box-shadow: 0 4px 12px rgba(201,162,75,0.25);
}
.sidebar-links i { width: 18px; text-align: center; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud .tag-item { font-size: 12.5px; }

.related-section { padding: 60px 0 70px; background: var(--bg-soft); }
.section-head { text-align: center; margin-bottom: 40px; }
.section-kicker {
  display: inline-block;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  color: var(--primary);
  margin: 0 0 10px;
  letter-spacing: -0.3px;
}
.section-sub { color: var(--text-weak); font-size: 15px; max-width: 560px; margin: 0 auto; }

.rel-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  height: 100%;
  text-decoration: none;
  color: inherit;
}
.rel-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.rel-cover { position: relative; overflow: hidden; }
.rel-cover img { width: 100%; height: 190px; object-fit: cover; transition: transform 0.45s ease; }
.rel-card:hover .rel-cover img { transform: scale(1.06); }
.rel-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(16,26,36,0.82);
  color: var(--accent-light);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}
.rel-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.rel-body h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin: 0 0 10px; line-height: 1.5; }
.rel-body p { font-size: 14px; color: var(--text-weak); line-height: 1.75; margin: 0 0 14px; }
.rel-more {
  margin-top: auto;
  color: var(--accent-dark);
  font-size: 13.5px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.rel-card:hover .rel-more { gap: 10px; }

.cta-section {
  padding: 70px 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #2a3d52 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,162,75,0.25) 0%, transparent 70%);
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  color: #fff;
}
.cta-inner h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; margin: 0 0 12px; }
.cta-inner p { color: rgba(255,255,255,0.8); font-size: 15.5px; margin: 0 0 28px; }
.cta-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }

.faq-section { padding: 70px 0 80px; }
.faq-accordion { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.25s ease;
}
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 26px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  transition: color 0.2s ease;
}
.faq-question:hover { color: var(--accent-dark); }
.faq-question i {
  color: var(--accent);
  font-size: 15px;
  transition: transform 0.3s ease;
}
.faq-item.is-open .faq-question i { transform: rotate(180deg); }
.faq-answer { display: none; padding: 0 26px 22px; color: var(--text-weak); font-size: 15px; line-height: 1.8; }
.faq-item.is-open .faq-answer { display: block; }

.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.75);
  padding: 56px 0 0;
  border-top: 3px solid var(--accent);
}
.footer-grid { padding-bottom: 40px; }
.footer-brand-wrap { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 13px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(201,162,75,0.3);
}
.footer-brand-name { font-size: 17px; font-weight: 700; color: #fff; }
.footer-desc { font-size: 14px; color: rgba(255,255,255,0.55); max-width: 320px; line-height: 1.8; margin-bottom: 0; }
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 16px;
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 14px; text-decoration: none; transition: all 0.2s ease; display: inline-flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-contact { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 14px; color: rgba(255,255,255,0.6); }
.footer-contact li { display: flex; align-items: center; gap: 10px; }
.footer-contact i { color: var(--accent); width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  color: rgba(255,255,255,0.4);
  font-size: 13.5px;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }

@media (max-width: 1024px) {
  .site-sidebar { display: none; }
  .site-content { margin-left: 0; }
  .mobile-topbar { display: flex; }
  .container-lg { padding: 0 20px; }
  .article-hero { padding: 56px 0 48px; }
  .article-content-body { padding: 28px 24px 22px; }
  .article-tags { padding: 20px 24px 26px; }
}

@media (max-width: 768px) {
  .article-content-section { padding: 36px 0 44px; }
  .related-section { padding: 48px 0 54px; }
  .cta-section { padding: 56px 0; }
  .faq-section { padding: 56px 0 64px; }
  .article-hero { padding: 46px 0 38px; }
  .article-title { font-size: 27px; }
  .article-meta { gap: 14px; font-size: 13px; }
  .article-content-body { padding: 24px 18px 18px; }
  .article-tags { padding: 16px 18px 22px; }
  .section-title { font-size: 25px; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons .btn { width: 100%; max-width: 280px; }
}

@media (max-width: 520px) {
  .container-lg { padding: 0 16px; }
  .article-title { font-size: 24px; }
  .article-category-tag { font-size: 12px; padding: 5px 13px; }
  .article-meta { gap: 10px; flex-direction: column; align-items: flex-start; }
  .sidebar-card { padding: 20px; }
  .rel-body { padding: 18px; }
  .faq-question { padding: 17px 18px; font-size: 15px; }
  .faq-answer { padding: 0 18px 18px; }
  .footer-grid { row-gap: 28px; }
}