/* roulang page: index */
:root {
  --bg-deep: #0E0E11;
  --bg-raise: #1A1A1F;
  --bg-sunken: #09090B;
  --primary: #F0432A;
  --primary-hover: #FF5A3D;
  --primary-soft: rgba(240, 67, 42, 0.12);
  --gold: #FFC53C;
  --gold-soft: rgba(255, 197, 60, 0.1);
  --success: #22C55E;
  --line: rgba(255, 255, 255, 0.08);
  --text-main: #F4F4F5;
  --text-sub: #A0A4AC;
  --text-dim: #6B6E76;
  --radius-card: 14px;
  --radius-btn: 999px;
  --container: 1200px;
  --space-section: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

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

button, input {
  font-family: inherit;
}

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

.section {
  padding: var(--space-section) 0;
  position: relative;
}

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

.section-tight {
  padding: 64px 0;
}

.text-center {
  text-align: center;
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  line-height: 1;
  padding: 0 28px;
  height: 46px;
  border-radius: var(--radius-btn);
  text-decoration: none;
  transition: all 0.2s ease;
  font-size: 14px;
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(240, 67, 42, 0.35);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--primary-hover);
  outline-offset: 3px;
}

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

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
}

.btn-outline:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline-offset: 3px;
}

.btn-gold {
  background: var(--gold);
  color: #1A1A1F;
  padding: 0 36px;
  height: 50px;
}

.btn-gold:hover {
  background: #FFD46B;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(255, 197, 60, 0.3);
}

.btn-large {
  height: 52px;
  padding: 0 40px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

/* ============ Section Headings ============ */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}

.section-head .section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.section-head .section-desc {
  color: var(--text-sub);
  margin-top: 10px;
  font-size: 15px;
  max-width: 480px;
}

.section-head .head-link {
  color: var(--text-sub);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
  white-space: nowrap;
}

.section-head .head-link:hover {
  color: var(--primary);
}

/* ============ Floating Dock Nav ============ */
.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 32px);
  max-width: 1040px;
  height: 56px;
  background: rgba(14, 14, 17, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 16px 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

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

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), #FF6B3D);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  box-shadow: 0 0 14px rgba(240, 67, 42, 0.3);
}

.logo-text {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-main);
}

.logo-text .logo-dot {
  color: var(--primary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  font-size: 14px;
  color: var(--text-sub);
  padding: 8px 14px;
  border-radius: 999px;
  transition: all 0.2s;
  font-weight: 500;
  white-space: nowrap;
}

.site-nav a:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.site-nav a.active {
  color: var(--primary);
  font-weight: 600;
  background: var(--primary-soft);
}

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

.header-cta .nav-cta {
  height: 38px;
  padding: 0 20px;
  font-size: 13px;
}

.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  position: relative;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 0.3s ease;
}

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

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

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

.mobile-menu {
  display: none;
  position: fixed;
  top: 84px;
  left: 16px;
  right: 16px;
  background: rgba(14, 14, 17, 0.96);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

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

.mobile-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text-sub);
  padding: 12px 16px;
  border-radius: 10px;
  font-weight: 500;
  transition: all 0.2s;
}

.mobile-menu a:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.mobile-menu a.active {
  color: var(--primary);
  background: var(--primary-soft);
  font-weight: 600;
}

.mobile-menu .mobile-cta {
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

/* ============ Hero ============ */
.hero {
  min-height: 72vh;
  min-height: 540px;
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(9, 9, 11, 0.65), rgba(9, 9, 11, 0.75)),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(240, 67, 42, 0.46) 0%, transparent 65%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 40%;
  height: 50%;
  background: radial-gradient(ellipse at center, rgba(255, 197, 60, 0.14) 0%, transparent 65%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px;
  width: 100%;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--primary-soft);
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  letter-spacing: 0.04em;
  margin-bottom: 22px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
  max-width: 700px;
}

.hero h1 .gold-text {
  background: linear-gradient(135deg, var(--gold) 20%, #FFE28B 50%, var(--gold) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--text-sub);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 34px;
}

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

.hero-scroll {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-dim);
  font-size: 22px;
  animation: float-down 2.2s ease-in-out infinite;
  z-index: 2;
}

@keyframes float-down {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.7; }
  50% { transform: translate(-50%, 8px); opacity: 1; }
}

/* ============ How-to Steps ============ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(16% - 24px);
  width: calc(68% + 48px);
  height: 1px;
  border-top: 1px dashed rgba(255, 255, 255, 0.14);
  pointer-events: none;
}

.step-card {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 36px 28px 30px;
  position: relative;
  transition: all 0.2s ease;
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(240, 67, 42, 0.5);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.step-number {
  font-size: 2.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #FF7A50);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.step-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-card p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
}

/* ============ Reward Cards ============ */
.rewards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
  position: relative;
}

.reward-card {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 36px 30px;
  position: relative;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
}

.reward-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.4);
}

.reward-card.main {
  border: 1px solid var(--gold);
  transform: scale(1.04);
  background: linear-gradient(160deg, var(--bg-raise) 70%, rgba(255, 197, 60, 0.06));
  box-shadow: 0 0 40px rgba(255, 197, 60, 0.08);
  z-index: 2;
}

.reward-card.main:hover {
  transform: scale(1.04) translateY(-4px);
}

.reward-level {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  padding: 5px 14px;
  border-radius: 6px;
  text-transform: uppercase;
  margin-bottom: 18px;
  align-self: flex-start;
}

.reward-level.gold {
  background: var(--gold);
  color: #1A1A1F;
}

.reward-level.silver {
  background: #E5E7EB;
  color: #1F2937;
}

.reward-level.bronze {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-sub);
}

.reward-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.reward-list {
  list-style: none;
  margin-bottom: 20px;
  flex-grow: 1;
}

.reward-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  padding: 5px 0;
}

.reward-list li i {
  color: var(--gold);
  font-size: 13px;
  margin-top: 5px;
}

.reward-cond {
  font-size: 12px;
  color: var(--text-dim);
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.reward-cond i {
  margin-right: 6px;
}

/* ============ Tasks Section ============ */
.tasks-wrap {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: start;
  background: linear-gradient(135deg, rgba(240, 67, 42, 0.04), transparent 60%),
    linear-gradient(0deg, transparent 70%, rgba(255, 255, 255, 0.02)), url('/assets/images/coverpic/cover-3.png') right bottom / 45% auto no-repeat;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 40px;
}

.task-overview {
  padding: 24px 0;
}

.progress-num {
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--primary);
  margin-bottom: 6px;
}

.progress-label {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 22px;
}

.progress-track {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 12px;
}

.progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
}

.progress-detail {
  font-size: 12px;
  color: var(--text-dim);
}

.progress-cta {
  margin-top: 28px;
}

.task-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.task-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: var(--bg-raise);
  transition: all 0.2s;
}

.task-item:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line);
}

.task-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.task-icon.done {
  background: var(--gold-soft);
  color: var(--gold);
}

.task-info {
  flex-grow: 1;
}

.task-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
}

.task-meta {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}

.task-status {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 0.03em;
}

.status-done {
  background: var(--gold-soft);
  color: var(--gold);
}

.status-active {
  background: var(--primary-soft);
  color: var(--primary);
}

.status-wait {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
}

/* ============ News List ============ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all 0.2s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.news-card-inner {
  display: block;
}

.news-cover-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #24242B, #1A1A1F);
}

.news-cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.news-card:hover .news-cover-wrap img {
  transform: scale(1.05);
}

.news-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(240, 67, 42, 0.2), rgba(255, 197, 60, 0.1));
  color: var(--text-dim);
  font-size: 32px;
}

.news-cat-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(240, 67, 42, 0.92);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 6px;
  letter-spacing: 0.03em;
  z-index: 2;
}

.news-body {
  padding: 20px 20px 22px;
}

.news-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.9em;
  transition: color 0.2s;
}

.news-card:hover .news-body h3 {
  color: var(--primary);
}

.news-excerpt {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  min-height: 2.8em;
}

.news-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-dim);
}

.news-meta-row .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-dim);
}

.news-meta-row .read-link {
  margin-left: auto;
  color: var(--text-sub);
  font-weight: 500;
  transition: color 0.2s;
}

.news-meta-row .read-link:hover {
  color: var(--primary);
}

/* Empty state */
.news-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  border-radius: var(--radius-card);
  border: 1px dashed var(--line);
  background: var(--bg-raise);
  text-align: center;
}

.news-empty i {
  font-size: 44px;
  color: var(--text-dim);
  margin-bottom: 18px;
  opacity: 0.5;
}

.news-empty p {
  color: var(--text-sub);
  font-size: 15px;
}

/* ============ CTA Banner ============ */
.cta-banner {
  position: relative;
  border-radius: 20px;
  background: var(--primary-soft);
  border: 1px solid rgba(240, 67, 42, 0.25);
  padding: 64px 48px;
  text-align: center;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -30px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 2px solid rgba(240, 67, 42, 0.25);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 2px solid rgba(255, 197, 60, 0.15);
  pointer-events: none;
}

.cta-banner h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: var(--text-sub);
  font-size: 15px;
  margin-bottom: 30px;
  position: relative;
  z-index: 1;
}

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

/* ============ FAQ ============ */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

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

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 600;
  padding: 18px 4px;
  cursor: pointer;
  text-align: left;
  transition: color 0.2s;
}

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

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  font-size: 16px;
  color: var(--text-sub);
  transition: all 0.2s;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--primary);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 28px 20px 4px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.75;
}

.faq-link {
  margin-top: 36px;
  text-align: center;
}

.faq-link a {
  color: var(--text-sub);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}

.faq-link a:hover {
  color: var(--primary);
}

/* ============ Footer ============ */
.site-footer {
  background: var(--bg-sunken);
  border-top: 1px solid var(--line);
  padding: 64px 0 0;
}

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

.footer-brand .logo-text {
  font-size: 22px;
  margin-bottom: 16px;
  display: block;
}

.footer-brand .footer-desc {
  color: var(--text-sub);
  font-size: 14px;
  max-width: 360px;
  line-height: 1.7;
}

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

.footer-links h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

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

.footer-links ul a {
  color: var(--text-sub);
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links ul a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 20px 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
}

/* ============ Responsive ============ */
@media (max-width: 992px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid::before {
    display: none;
  }
  .rewards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .reward-card.main {
    transform: scale(1);
    grid-column: span 2;
  }
  .reward-card.main:hover {
    transform: translateY(-4px);
  }
  .tasks-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
    background-position: right bottom;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
  .site-nav {
    display: none;
  }
  .header-cta .nav-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .hero {
    min-height: 60vh;
  }
  .hero-inner {
    padding: 24px 20px 48px;
  }
  .hero h1 {
    font-size: clamp(1.8rem, 4.2vw, 2.6rem);
  }
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .rewards-grid {
    grid-template-columns: 1fr;
  }
  .reward-card.main {
    grid-column: auto;
  }
  .tasks-wrap {
    padding: 24px;
    background-image: none;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .cta-banner {
    padding: 44px 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-links {
    grid-template-columns: 1fr;
  }
  .container {
    padding: 0 20px;
  }
}

@media (max-width: 520px) {
  .faq-question {
    font-size: 15px;
  }
  .btn {
    height: 44px;
    padding: 0 24px;
  }
  .btn-large {
    height: 48px;
    padding: 0 30px;
  }
  .task-item {
    flex-wrap: wrap;
    gap: 10px;
  }
  .task-status {
    margin-left: auto;
  }
}

/* roulang page: category1 */
:root{
  --bg-deep:#0E0E11;
  --bg-raise:#1A1A1F;
  --bg-sunken:#09090B;
  --primary:#F0432A;
  --primary-hover:#FF5A3D;
  --primary-soft:rgba(240,67,42,0.12);
  --gold:#FFC53C;
  --gold-soft:rgba(255,197,60,0.1);
  --line:rgba(255,255,255,0.08);
  --text-main:#F4F4F5;
  --text-sub:#A0A4AC;
  --text-dim:#6B6E76;
  --success:#22C55E;
  --radius-card:14px;
  --radius-btn:999px;
  --radius-badge:6px;
  --shadow-card:0 1px 2px rgba(0,0,0,0.3);
  --shadow-hover:0 8px 24px rgba(0,0,0,0.4);
  --container:1200px;
  --nav-h:56px;
  --space-section:88px;
  --space-section-mobile:48px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  background:var(--bg-deep);
  color:var(--text-main);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--text-main);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
img{max-width:100%;display:block;}
ul{list-style:none;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;}
section{position:relative;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;line-height:1.4;cursor:pointer;
  border:1px solid transparent;transition:all .2s ease;white-space:nowrap;
}
.btn:focus-visible{
  outline:2px solid var(--primary);outline-offset:3px;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--primary);color:#fff;border-color:var(--primary);
}
.btn-primary:hover{
  background:var(--primary-hover);border-color:var(--primary-hover);color:#fff;transform:translateY(-1px);
  box-shadow:0 4px 20px rgba(240,67,42,0.35);
}
.btn-ghost{
  background:transparent;color:var(--text-main);border-color:rgba(255,255,255,0.3);
}
.btn-ghost:hover{
  background:rgba(255,255,255,0.05);border-color:rgba(255,255,255,0.5);color:#fff;transform:translateY(-1px);
}
.btn-gold{
  background:var(--gold);color:#141414;border-color:var(--gold);
}
.btn-gold:hover{
  background:#FFD763;border-color:#FFD763;color:#141414;transform:translateY(-1px);
  box-shadow:0 4px 20px rgba(255,197,60,0.3);
}

/* ===== Header Dock Nav ===== */
.site-header{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  z-index:100;width:calc(100% - 40px);max-width:1040px;
  background:rgba(14,14,17,0.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:999px;
  height:56px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px 0 20px;
  box-shadow:0 4px 24px rgba(0,0,0,0.4);
}
.site-logo{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.logo-icon{
  width:32px;height:32px;border-radius:8px;
  background:linear-gradient(135deg,var(--primary),#B0200A);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;color:#fff;
  box-shadow:0 2px 10px rgba(240,67,42,0.4);
}
.logo-text{
  font-size:18px;font-weight:800;letter-spacing:.5px;color:var(--text-main);
  display:flex;align-items:center;line-height:1.2;
}
.logo-dot{color:var(--primary);margin-left:2px;}
.site-nav{
  display:flex;align-items:center;gap:24px;
}
.site-nav a{
  font-size:14px;color:var(--text-sub);font-weight:500;position:relative;
  padding:6px 2px;transition:color .2s ease;
}
.site-nav a:hover{
  color:var(--text-main);
}
.site-nav a:hover::after,
.site-nav a.active::after{
  content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);
  width:20px;height:2px;background:var(--primary);border-radius:2px;
}
.site-nav a.active{
  color:var(--primary);font-weight:600;
}
.header-cta{
  display:flex;align-items:center;gap:12px;flex-shrink:0;
}
.nav-cta{
  padding:10px 22px;font-size:13px;height:38px;
}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  width:40px;height:40px;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--line);background:rgba(255,255,255,0.03);
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--text-main);border-radius:2px;
  transition:transform .3s ease,opacity .3s ease;
}

/* ===== Hero ===== */
.hero{
  min-height:540px;
  background:
    linear-gradient(135deg, rgba(240,67,42,0.35) 0%, transparent 45%),
    linear-gradient(to bottom, rgba(14,14,17,0.55) 0%, rgba(14,14,17,0.85) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  display:flex;align-items:center;
  padding:calc(var(--nav-h) + 80px) 0 60px;
  position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-120px;right:-120px;width:400px;height:400px;
  background:radial-gradient(circle,rgba(255,197,60,0.15) 0%,transparent 70%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:0;left:0;right:0;height:1px;
  background:linear-gradient(to right,transparent,var(--primary),transparent);
  opacity:.4;
}
.hero-content{max-width:820px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(240,67,42,0.15);border:1px solid rgba(240,67,42,0.35);
  color:var(--primary-hover);font-size:13px;font-weight:600;
  padding:6px 16px;border-radius:999px;margin-bottom:20px;
  letter-spacing:.5px;
}
.hero-badge i{font-size:12px;}
.hero h1{
  font-size:clamp(2.2rem,5vw,3.6rem);
  font-weight:800;line-height:1.2;letter-spacing:1px;
  margin-bottom:18px;
}
.hero h1 .gold-highlight{
  background:linear-gradient(135deg,var(--gold) 0%,#FFA526 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-sub{
  font-size:16px;line-height:1.75;color:var(--text-sub);
  max-width:640px;margin-bottom:32px;
}
.hero-buttons{display:flex;gap:14px;flex-wrap:wrap;}
.hero-scroll{
  position:absolute;bottom:30px;left:50%;transform:translateX(-50%);
  color:var(--text-dim);font-size:20px;animation:bounce 2s infinite;
  opacity:.8;
}
@keyframes bounce{
  0%,100%{transform:translate(-50%,0);}
  50%{transform:translate(-50%,8px);}
}

/* ===== Section Base ===== */
.section{padding:var(--space-section) 0;}
.section-alt{background:var(--bg-sunken);}
.section-pattern{
  background-image:radial-gradient(rgba(255,255,255,0.04) 1px,transparent 1px);
  background-size:24px 24px;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:40px;gap:24px;flex-wrap:wrap;
}
.section-head.left{margin-bottom:36px;}
.section-head h2{
  font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;line-height:1.3;
  letter-spacing:.5px;
}
.section-head .sub{
  color:var(--text-sub);font-size:14px;margin-top:6px;
}
.section-link{
  font-size:14px;color:var(--primary);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.section-link i{font-size:12px;transition:transform .2s;}
.section-link:hover i{transform:translateX(3px);}

/* ===== Stats Bar ===== */
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.stat-item{
  background:var(--bg-raise);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 24px;text-align:center;transition:border-color .25s,transform .25s,box-shadow .25s;
  box-shadow:var(--shadow-card);
}
.stat-item:hover{
  border-color:rgba(240,67,42,0.5);
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.stat-number{
  font-size:32px;font-weight:800;color:var(--text-main);line-height:1.2;
  display:flex;align-items:center;justify-content:center;gap:4px;
}
.stat-number .unit{font-size:16px;color:var(--text-dim);font-weight:500;}
.stat-label{font-size:13px;color:var(--text-sub);margin-top:8px;}

/* ===== List Layout: Large Image Left / Text Right ===== */
.match-list{
  display:flex;flex-direction:column;gap:28px;
}
.match-item{
  display:grid;grid-template-columns:280px 1fr;
  background:var(--bg-raise);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .3s,transform .3s,box-shadow .3s;
  box-shadow:var(--shadow-card);
}
.match-item:hover{
  border-color:rgba(240,67,42,0.45);
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.match-media{
  position:relative;min-height:200px;
}
.match-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.match-item:hover .match-media img{transform:scale(1.03);}
.match-media .match-date{
  position:absolute;bottom:12px;left:12px;
  background:rgba(9,9,11,0.85);backdrop-filter:blur(6px);
  padding:4px 12px;border-radius:999px;
  font-size:12px;color:var(--gold);font-weight:600;
  border:1px solid rgba(255,197,60,0.3);
  display:flex;align-items:center;gap:5px;
}
.match-body{padding:26px 28px;display:flex;flex-direction:column;}
.match-tag{
  display:inline-flex;align-items:center;gap:5px;
  background:var(--primary-soft);color:var(--primary-hover);
  font-size:12px;font-weight:600;padding:3px 12px;border-radius:var(--radius-badge);
  width:max-content;margin-bottom:12px;
}
.match-body h3{
  font-size:1.2rem;font-weight:700;line-height:1.4;margin-bottom:8px;
  transition:color .2s;
}
.match-body h3 a{color:var(--text-main);}
.match-body h3 a:hover{color:var(--primary);}
.match-body p{
  font-size:14px;color:var(--text-sub);line-height:1.7;
  margin-bottom:16px;flex-grow:1;
}
.match-meta{
  display:flex;align-items:center;gap:16px;
  font-size:12px;color:var(--text-dim);border-top:1px solid var(--line);padding-top:14px;
  margin-top:auto;
}
.match-meta span{display:flex;align-items:center;gap:5px;}
.match-meta .divider-dot{width:3px;height:3px;border-radius:50%;background:var(--text-dim);}
.match-link{
  color:var(--primary);font-weight:600;font-size:13px;
  display:inline-flex;align-items:center;gap:5px;
}
.match-link i{font-size:11px;transition:transform .2s;}
.match-link:hover i{transform:translateX(3px);}

/* ===== Feature Events ===== */
.feature-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.feature-card{
  background:var(--bg-raise);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .3s,transform .3s,box-shadow .3s;
  box-shadow:var(--shadow-card);
}
.feature-card:hover{
  border-color:var(--gold);
  transform:translateY(-4px);
  box-shadow:0 0 0 1px rgba(255,197,60,0.2),0 8px 32px rgba(0,0,0,0.5);
}
.feature-card .card-media{
  height:190px;overflow:hidden;position:relative;
}
.feature-card .card-media img{
  width:100%;height:100%;object-fit:cover;transition:transform .4s;
}
.feature-card:hover .card-media img{transform:scale(1.05);}
.feature-card .card-media::after{
  content:"";position:absolute;bottom:0;left:0;right:0;height:60px;
  background:linear-gradient(to bottom,transparent,var(--bg-raise));
}
.feature-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  background:var(--gold);color:#141414;font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:var(--radius-badge);
}
.feature-card .card-body{padding:22px 22px 24px;}
.feature-card .card-body h3{font-size:1.15rem;font-weight:700;line-height:1.4;margin-bottom:8px;}
.feature-card .card-body p{font-size:13.5px;color:var(--text-sub);line-height:1.75;margin-bottom:14px;}
.feature-card .card-foot{
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:14px;margin-top:auto;
  font-size:12px;color:var(--text-dim);
}

/* ===== Progress ===== */
.progress-section{
  background:var(--bg-sunken);
  background-image:linear-gradient(rgba(255,255,255,0.025) 1px,transparent 1px),
                    linear-gradient(90deg,rgba(255,255,255,0.025) 1px,transparent 1px);
  background-size:32px 32px;
}
.progress-wrap{
  display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:center;
}
.progress-big{
  text-align:center;
}
.progress-big .num{
  font-size:56px;font-weight:800;line-height:1.1;color:var(--text-main);
}
.progress-big .num em{
  font-style:normal;color:var(--primary);
}
.progress-track{
  width:100%;height:4px;background:rgba(255,255,255,0.08);border-radius:4px;
  margin:13px 0 10px;overflow:hidden;
}
.progress-fill{
  width:73%;height:100%;background:var(--primary);border-radius:4px;
  box-shadow:0 0 12px rgba(240,67,42,0.5);
}
.progress-label{font-size:13px;color:var(--text-sub);}
.progress-label span{color:var(--primary);font-weight:600;}
.progress-list{display:flex;flex-direction:column;gap:12px;}
.progress-item{
  display:grid;grid-template-columns:48px 1fr 96px;align-items:center;gap:14px;
  background:var(--bg-raise);border:1px solid var(--line);border-radius:12px;
  padding:14px 18px;transition:background .2s,border-color .2s;
}
.progress-item:hover{background:rgba(255,255,255,0.03);border-color:rgba(240,67,42,0.3);}
.progress-icon{
  width:38px;height:38px;border-radius:10px;
  background:var(--primary-soft);color:var(--primary-hover);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.progress-item .p-name{
  font-size:14px;font-weight:600;line-height:1.4;
}
.progress-item .p-desc{
  font-size:12px;color:var(--text-dim);margin-top:2px;
}
.status-badge{
  display:inline-flex;align-items:center;justify-content:center;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;width:max-content;
}
.status-todo{
  background:rgba(255,255,255,0.06);color:var(--text-dim);
}
.status-doing{
  background:var(--primary-soft);color:var(--primary-hover);
}
.status-done{
  background:var(--gold-soft);color:var(--gold);
  border:1px solid rgba(255,197,60,0.25);
}

/* ===== CTA Banner ===== */
.cta-banner{
  background:linear-gradient(135deg,rgba(240,67,42,0.18) 0%,transparent 60%);
  border:1px solid rgba(240,67,42,0.25);border-radius:20px;
  padding:56px 48px;text-align:center;position:relative;overflow:hidden;
}
.cta-banner::before{
  content:"";position:absolute;top:-80px;left:-80px;width:260px;height:260px;
  background:radial-gradient(circle,rgba(255,197,60,0.2) 0%,transparent 70%);
  pointer-events:none;
}
.cta-banner::after{
  content:"";position:absolute;bottom:-80px;right:-80px;width:260px;height:260px;
  background:radial-gradient(circle,rgba(240,67,42,0.2) 0%,transparent 70%);
  pointer-events:none;
}
.cta-banner h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;line-height:1.35;margin-bottom:12px;
}
.cta-banner p{
  color:var(--text-sub);font-size:15px;max-width:560px;margin:0 auto 28px;
}
.cta-banner .btn{position:relative;z-index:2;}

/* ===== FAQ ===== */
.faq-list{
  max-width:800px;margin:0 auto;
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 6px;cursor:pointer;transition:color .2s;
  font-size:16px;font-weight:600;line-height:1.5;
}
.faq-q:hover{color:var(--primary);}
.faq-q .fa-plus{
  color:var(--text-dim);font-size:14px;transition:transform .3s ease,color .3s;
  flex-shrink:0;
}
.faq-item.active .faq-q .fa-plus{
  transform:rotate(45deg);color:var(--primary);
}
.faq-a{
  display:none;padding:0 6px 20px;font-size:14px;color:var(--text-sub);line-height:1.75;
}
.faq-item.active .faq-a{display:block;}
.faq-foot{
  text-align:center;margin-top:28px;
}
.faq-foot a{
  font-size:14px;color:var(--primary);font-weight:600;
}
.faq-foot a:hover{color:var(--primary-hover);}

/* ===== Footer ===== */
.site-footer{
  background:var(--bg-sunken);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.2fr 1fr;gap:48px;
  padding-bottom:44px;
}
.footer-brand .logo-text{
  font-size:22px;font-weight:800;gap:0;margin-bottom:16px;
}
.footer-desc{
  font-size:14px;color:var(--text-sub);line-height:1.75;max-width:340px;
}
.footer-links{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;
}
.footer-links h4{
  font-size:14px;font-weight:700;color:var(--text-main);margin-bottom:16px;
  letter-spacing:.5px;
}
.footer-links ul li{
  margin-bottom:10px;
}
.footer-links ul li:last-child{margin-bottom:0;}
.footer-links ul a{
  font-size:13.5px;color:var(--text-sub);line-height:1.6;
  transition:color .2s,padding-left .2s;
}
.footer-links ul a:hover{
  color:var(--primary);padding-left:4px;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;text-align:center;
}
.footer-bottom p{
  font-size:13px;color:var(--text-dim);
}

/* ===== Responsive ===== */
@media (max-width:992px){
  :root{--space-section:64px;}
  .match-item{grid-template-columns:220px 1fr;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .progress-wrap{grid-template-columns:1fr;gap:32px;}
  .stats-bar{grid-template-columns:repeat(2,1fr);}
  .site-nav{display:none;}
  .header-cta .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .site-nav.open{
    position:absolute;top:64px;left:50%;transform:translateX(-50%);
    display:flex;flex-direction:column;align-items:center;overflow:hidden;
    background:rgba(14,14,17,0.95);backdrop-filter:blur(16px);
    border:1px solid var(--line);border-radius:16px;
    padding:16px 32px;gap:16px;white-space:nowrap;
  }
  .site-nav.open::before{
    content:"";position:absolute;top:8px;left:50%;transform:translateX(-50%);
    width:10px;height:2px;border-radius:2px;background:var(--line);
  }
}
@media (max-width:768px){
  .match-item{grid-template-columns:1fr;}
  .match-media{min-height:200px;}
  .match-media img{height:200px;}
  .feature-grid{grid-template-columns:1fr;}
  .stats-bar{grid-template-columns:1fr 1fr;gap:12px;}
  .stat-item{padding:20px 16px;}
  .stat-number{font-size:26px;}
  .hero{padding-top:120px;min-height:480px;}
  .hero-buttons .btn{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .section-head .section-link{align-self:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:36px;}
  .footer-links{grid-template-columns:1fr 1fr;gap:20px;}
  .cta-banner{padding:40px 24px;}
  .progress-item{grid-template-columns:40px 1fr;gap:10px;}
  .progress-item .status-badge{grid-column:1/-1;justify-self:start;margin-left:50px;}
  .site-header{padding:0 12px 0 16px;}
  .site-header.open{border-radius:24px;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  body{font-size:15px;}
  .match-body{padding:20px;}
  .stat-number{font-size:22px;}
  .stat-label{font-size:12px;}
  .footer-links{grid-template-columns:1fr;gap:24px;}
  .hero h1{font-size:2rem;}
  .hero-sub{font-size:14px;}
  .faq-q{font-size:15px;padding:16px 4px;}
}

/* roulang page: article */
:root {
  --bg-deep: #0E0E11;
  --bg-raise: #1A1A1F;
  --bg-sunken: #09090B;
  --primary: #F0432A;
  --primary-hover: #FF5A3D;
  --primary-soft: rgba(240, 67, 42, 0.12);
  --gold: #FFC53C;
  --gold-soft: rgba(255, 197, 60, 0.1);
  --line: rgba(255, 255, 255, 0.08);
  --text-main: #F4F4F5;
  --text-sub: #A0A4AC;
  --text-dim: #6B6E76;
  --radius-lg: 14px;
  --radius-pill: 999px;
  --container: 1200px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-lift: 0 8px 24px rgba(0, 0, 0, 0.4);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-deep);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  height: 46px;
  padding: 0 1.4em;
  font-size: 0.95rem;
  line-height: 1;
  transition: all var(--transition);
  white-space: nowrap;
  background: transparent;
}

.btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(1px);
}

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

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

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-main);
}

.btn-ghost:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
}

.btn.is-disabled {
  opacity: 0.4;
  pointer-events: none;
}

.nav-cta {
  height: 36px;
  font-size: 0.875rem;
  padding: 0 1.2em;
}

.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 32px);
  max-width: 1040px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: rgba(14, 14, 17, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

.logo-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 8px;
  font-size: 0.95rem;
}

.logo-text {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.logo-dot {
  color: var(--primary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 12px;
}

.site-nav a {
  position: relative;
  font-size: 14px;
  color: var(--text-sub);
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  transition: color 0.2s, background 0.2s;
}

.site-nav a:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

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

.site-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.article-main {
  padding: 150px 0 64px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-dim);
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-sub);
  transition: color 0.2s;
}

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

.breadcrumb i {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.breadcrumb .current {
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-dim);
}

.article-wrap {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 48px 48px 40px;
  box-shadow: var(--shadow-card);
}

.article-header {
  margin-bottom: 36px;
}

.article-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.01em;
  margin-bottom: 20px;
  color: var(--text-main);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.875rem;
  color: var(--text-dim);
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.article-body {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-main);
}

.article-body > * + * {
  margin-top: 1.5em;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2em;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  line-height: 1.3;
}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 1.8em;
  line-height: 1.4;
}

.article-body p {
  line-height: 1.8;
  color: var(--text-main);
}

.article-body ul,
.article-body ol {
  padding-left: 1.4em;
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body ul li,
.article-body ol li {
  margin: 0.6em 0;
  color: var(--text-sub);
  line-height: 1.7;
}

.article-body a {
  color: var(--primary);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.article-body a:hover {
  border-bottom-color: var(--primary);
}

.article-body blockquote {
  border-left: 3px solid var(--primary);
  background: var(--primary-soft);
  padding: 16px 20px;
  border-radius: 0 10px 10px 0;
  color: var(--text-sub);
}

.article-body img {
  border-radius: 12px;
  width: 100%;
  height: auto;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1.8em 0;
}

.article-body th,
.article-body td {
  border: 1px solid var(--line);
  padding: 10px 14px;
  text-align: left;
}

.article-body th {
  background: var(--bg-sunken);
  color: var(--text-main);
  font-weight: 600;
}

.article-body td {
  color: var(--text-sub);
}

.article-body code {
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.875em;
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
}

.article-empty {
  text-align: center;
  padding: 80px 20px;
}

.article-empty i {
  font-size: 3rem;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.article-empty h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.article-empty p {
  color: var(--text-sub);
  margin-bottom: 28px;
}

.article-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0 0;
  margin-top: 40px;
  border-top: 1px solid var(--line);
  gap: 16px;
}

.article-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.8rem;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-weight: 500;
}

.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-dim);
}

.article-share a {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--text-sub);
  transition: all 0.2s;
}

.article-share a:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-soft);
}

.article-pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 32px;
}

.article-pager .btn {
  flex: 1 1 auto;
  max-width: 46%;
}

.related-section {
  padding: 64px 0 80px;
}

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

.section-head h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  font-weight: 700;
  position: relative;
  padding-left: 14px;
}

.section-head h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 22px;
  border-radius: 4px;
  background: var(--primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.post-card {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.post-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(240, 67, 42, 0.3), var(--shadow-lift);
}

.card-media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-sunken);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(14, 14, 17, 0.85);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 6px;
  letter-spacing: 0.02em;
  backdrop-filter: blur(4px);
}

.card-body {
  padding: 20px;
}

.card-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 3em;
  margin-bottom: 10px;
  color: var(--text-main);
}

.card-body p {
  font-size: 0.875rem;
  color: var(--text-sub);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
  line-height: 1.6;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.card-meta time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.read-more {
  color: var(--primary);
  font-weight: 500;
}

.read-more:hover {
  text-decoration: underline;
}

.site-footer {
  background: var(--bg-sunken);
  border-top: 1px solid var(--line);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand .logo-text {
  font-size: 1.2rem;
  font-weight: 800;
}

.footer-desc {
  margin-top: 16px;
  color: var(--text-sub);
  font-size: 0.9rem;
  max-width: 340px;
  line-height: 1.7;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  justify-items: end;
}

.footer-links h4 {
  font-size: 0.875rem;
  color: var(--text-main);
  margin-bottom: 16px;
  font-weight: 600;
}

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

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-sub);
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: center;
}

@media (max-width: 992px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-links {
    justify-items: start;
  }
}

@media (max-width: 768px) {
  .site-header {
    width: calc(100% - 24px);
    padding: 0 14px;
    top: 12px;
  }

  .site-nav {
    position: fixed;
    top: 76px;
    left: 12px;
    right: 12px;
    flex-direction: column;
    align-items: stretch;
    background: rgba(14, 14, 17, 0.96);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 12px;
    gap: 4px;
    display: none;
    margin: 0;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    width: 100%;
    text-align: center;
    padding: 12px;
    font-size: 15px;
  }

  .header-cta .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .article-main {
    padding: 110px 0 48px;
  }

  .article-wrap {
    padding: 32px 20px;
  }

  .article-header h1 {
    font-size: 1.6rem;
  }

  .article-meta {
    gap: 12px;
  }

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

  .article-pager {
    flex-direction: column;
  }

  .article-pager .btn {
    max-width: 100%;
    width: 100%;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

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

  .article-wrap {
    padding: 24px 16px;
    border-radius: 12px;
  }

  .breadcrumb .current {
    max-width: 180px;
  }

  .article-foot {
    flex-direction: column;
    align-items: flex-start;
  }

  .card-body {
    padding: 16px;
  }

  .footer-grid {
    gap: 32px;
  }
}

/* roulang page: category2 */
:root{
  --bg-deep:#0E0E11;
  --bg-raise:#1A1A1F;
  --bg-sunken:#09090B;
  --primary:#F0432A;
  --primary-hover:#FF5A3D;
  --primary-soft:rgba(240,67,42,0.12);
  --gold:#FFC53C;
  --gold-soft:rgba(255,197,60,0.1);
  --line:rgba(255,255,255,0.08);
  --text-main:#F4F4F5;
  --text-sub:#A0A4AC;
  --text-dim:#6B6E76;
  --success:#22C55E;
  --radius:14px;
  --radius-sm:6px;
  --shadow:0 1px 2px rgba(0,0,0,0.3);
  --shadow-hover:0 8px 24px rgba(0,0,0,0.4);
  --transition:.2s ease;
  --font-main:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-main);
  background:var(--bg-deep);
  color:var(--text-main);
  line-height:1.75;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--transition);}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
ul,ol{list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-head{max-width:680px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--primary);
  background:var(--primary-soft);border:1px solid rgba(240,67,42,.2);
  padding:4px 14px;border-radius:999px;margin-bottom:14px;font-weight:600;
}
.section-title{
  font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;line-height:1.2;
  margin-bottom:12px;letter-spacing:-.01em;
}
.section-sub{color:var(--text-sub);font-size:1rem;max-width:560px;}
.section-head.center .section-sub{margin:0 auto;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;font-size:15px;line-height:1;
  padding:14px 28px;transition:background var(--transition),transform var(--transition),box-shadow var(--transition),border-color var(--transition);
  white-space:nowrap;cursor:pointer;text-align:center;
}
.btn:focus{outline:none;box-shadow:0 0 0 2px rgba(240,67,42,.4);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:#fff;border:1px solid transparent;}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 20px rgba(240,67,42,.35);}
.btn-ghost{background:transparent;color:var(--text-main);border:1px solid rgba(255,255,255,.3);}
.btn-ghost:hover{background:rgba(240,67,42,.1);border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn-gold{background:var(--gold);color:#1A1A1F;border:1px solid transparent;}
.btn-gold:hover{background:#FFD35C;transform:translateY(-1px);box-shadow:0 6px 20px rgba(255,197,60,.3);}
.btn-sm{padding:9px 18px;font-size:13px;}

/* Header Dock */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  max-width:1040px;margin:0 auto;padding:0 20px;
  height:56px;border-radius:999px;border:1px solid var(--line);
  background:rgba(14,14,17,0.78);backdrop-filter:blur(14px);
  box-shadow:0 4px 24px rgba(0,0,0,0.3);
}
.site-logo{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.logo-icon{
  width:34px;height:34px;border-radius:50%;background:var(--primary);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;
  box-shadow:0 0 14px rgba(240,67,42,.4);
}
.logo-text{
  font-weight:800;font-size:18px;letter-spacing:.02em;color:var(--text-main);
  display:flex;align-items:center;
}
.logo-dot{color:var(--primary);margin-left:1px;}
.site-nav{
  display:flex;align-items:center;gap:4px;
}
.site-nav a{
  font-size:14px;font-weight:500;color:var(--text-sub);
  padding:8px 14px;border-radius:999px;transition:all var(--transition);
  position:relative;
}
.site-nav a:hover{color:var(--text-main);background:rgba(255,255,255,0.04);}
.site-nav a.active{color:var(--primary);font-weight:600;background:var(--primary-soft);}
.header-cta{display:flex;align-items:center;gap:8px;}
.header-cta .nav-cta{padding:9px 18px;font-size:13px;}
.nav-toggle{
  display:none;width:36px;height:36px;border-radius:50%;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  border:1px solid var(--line);background:rgba(255,255,255,0.04);
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--text-main);border-radius:2px;transition:all .25s ease;}
.nav-toggle.active span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-mobile-cta{display:none;}

/* Hero */
.hero{
  min-height:72vh;min-height:540px;display:flex;align-items:center;justify-content:center;
  text-align:center;position:relative;overflow:hidden;
  padding:120px 24px 80px;
  background:linear-gradient(180deg,rgba(14,14,17,0.82) 0%,rgba(14,14,17,0.65) 50%,var(--bg-deep) 100%),
             url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::before{
  content:'';position:absolute;top:-30%;left:50%;transform:translateX(-50%);
  width:700px;height:700px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,67,42,0.25) 0%,rgba(240,67,42,0) 70%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;color:var(--gold);
  border:1px solid rgba(255,197,60,.25);background:rgba(255,197,60,.08);
  padding:5px 18px;border-radius:999px;margin-bottom:24px;font-weight:600;
}
.hero-tag i{font-size:11px;}
.hero h1{
  font-size:clamp(2.4rem,5vw,3.6rem);font-weight:800;line-height:1.2;
  margin-bottom:18px;letter-spacing:-.01em;
}
.hero h1 .gold-word{
  background:linear-gradient(135deg,var(--gold) 0%,#FFE58A 50%,var(--gold) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:clamp(1rem,1.4vw,1.15rem);color:var(--text-sub);
  max-width:640px;margin:0 auto 36px;line-height:1.7;
}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.hero-meta{
  display:flex;justify-content:center;gap:40px;margin-top:64px;flex-wrap:wrap;
}
.hero-meta div{
  text-align:center;
}
.hero-meta .num{
  font-size:30px;font-weight:800;color:var(--text-main);line-height:1.2;
}
.hero-meta .lbl{
  font-size:12px;color:var(--text-dim);letter-spacing:.06em;margin-top:4px;
}

/* Cards Wall */
.bg-decor{
  background-image:radial-gradient(rgba(255,255,255,0.06) 1px,transparent 1px);
  background-size:28px 28px;
}
.teams-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.team-card{
  background:var(--bg-raise);border:1px solid var(--line);border-radius:var(--radius);
  padding:0;overflow:hidden;box-shadow:var(--shadow);
  transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition);
  display:flex;flex-direction:column;
}
.team-card:hover{
  transform:translateY(-4px);border-color:rgba(240,67,42,.5);
  box-shadow:0 8px 24px rgba(0,0,0,0.4),0 0 0 1px rgba(240,67,42,0.2);
}
.team-card .card-cover{
  width:100%;height:168px;object-fit:cover;display:block;
  transition:transform .35s ease;
}
.team-card:hover .card-cover{transform:scale(1.03);}
.card-img-wrap{overflow:hidden;position:relative;}
.card-badge{
  position:absolute;top:12px;left:12px;
  font-size:12px;font-weight:600;color:var(--primary);
  background:rgba(10,10,13,0.75);border:1px solid rgba(240,67,42,.3);
  padding:3px 12px;border-radius:999px;backdrop-filter:blur(4px);
}
.card-content{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;gap:10px;}
.card-content h3{font-size:clamp(1.1rem,1.5vw,1.25rem);font-weight:600;line-height:1.35;}
.card-content p{font-size:14px;color:var(--text-sub);line-height:1.7;flex:1;}
.card-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);
  font-size:13px;font-weight:600;margin-top:4px;transition:gap var(--transition);
}
.card-link:hover{color:var(--primary-hover);gap:10px;}
.card-link i{font-size:11px;}

/* Stats */
.stats{
  padding:72px 0;background:var(--bg-sunken);position:relative;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stats::before{
  content:'';position:absolute;top:0;right:0;width:400px;height:400px;
  background:radial-gradient(circle,rgba(240,67,42,0.08) 0%,transparent 70%);
  pointer-events:none;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{text-align:center;padding:32px 16px;border-radius:var(--radius);background:var(--bg-raise);border:1px solid var(--line);}
.stat-item .icon{
  width:44px;height:44px;border-radius:12px;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
  font-size:20px;margin:0 auto 14px;
}
.stat-item .num{font-size:clamp(1.6rem,2.4vw,2.2rem);font-weight:800;color:var(--text-main);line-height:1.2;}
.stat-item .num small{font-size:.55em;color:var(--gold);}
.stat-item .lbl{font-size:13px;color:var(--text-sub);margin-top:8px;letter-spacing:.08em;}

/* Steps */
.steps-wrap{
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;position:relative;
  margin-top:16px;
}
.steps-wrap::before{
  content:'';position:absolute;top:36px;left:10%;right:10%;
  border-top:2px dashed rgba(240,67,42,.3);z-index:0;
}
.step-item{
  position:relative;z-index:1;text-align:center;padding:0 8px;
}
.step-num{
  width:64px;height:64px;border-radius:50%;background:var(--bg-deep);
  border:2px solid var(--primary);color:var(--primary);
  font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;
  margin:0 auto 20px;box-shadow:0 0 0 6px rgba(240,67,42,.1);
}
.step-item h3{font-size:1.15rem;font-weight:600;margin-bottom:10px;}
.step-item p{font-size:14px;color:var(--text-sub);line-height:1.7;max-width:260px;margin:0 auto;}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);padding:0 4px;}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--text-main);cursor:pointer;
  transition:color var(--transition);
}
.faq-q:hover{color:var(--primary);}
.faq-q .icon{
  width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--text-sub);
  transition:all var(--transition);flex-shrink:0;
}
.faq-item.open .faq-q .icon{
  background:var(--primary);color:#fff;border-color:var(--primary);transform:rotate(45deg);
}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 0.3s ease;
}
.faq-a p{
  padding:0 0 18px;color:var(--text-sub);font-size:14px;line-height:1.7;max-width:640px;
}
.faq-more{text-align:center;margin-top:28px;font-size:14px;color:var(--text-sub);}
.faq-more a{color:var(--primary);font-weight:600;margin-left:4px;}
.faq-more a:hover{color:var(--primary-hover);}

/* CTA Banner */
.cta-banner{
  margin:0 24px 88px;border-radius:20px;position:relative;overflow:hidden;
  background:var(--primary-soft);border:1px solid rgba(240,67,42,.25);
  padding:64px 48px;text-align:center;
}
.cta-banner::before{
  content:'';position:absolute;top:-80px;right:-80px;width:260px;height:260px;
  border-radius:50%;border:1px solid rgba(240,67,42,.3);
}
.cta-banner::after{
  content:'';position:absolute;top:-40px;right:-40px;width:160px;height:160px;
  border-radius:50%;border:1px solid rgba(240,67,42,.2);
}
.cta-banner .container{position:relative;z-index:2;}
.cta-banner h2{
  font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;margin-bottom:10px;line-height:1.3;
}
.cta-banner p{color:var(--text-sub);margin-bottom:28px;font-size:15px;}
.cta-banner .btn{margin-top:4px;}

/* Footer */
.site-footer{background:var(--bg-sunken);border-top:1px solid var(--line);padding:56px 0 28px;}
.footer-grid{
  display:flex;justify-content:space-between;gap:48px;
  padding-bottom:40px;border-bottom:1px solid var(--line);flex-wrap:wrap;
}
.footer-brand{max-width:300px;}
.footer-brand .logo-text{font-size:20px;font-weight:800;display:flex;align-items:center;}
.footer-brand .logo-text i{margin-right:10px;font-size:20px;}
.footer-desc{font-size:14px;color:var(--text-sub);margin-top:14px;line-height:1.7;}
.footer-links{display:flex;gap:64px;flex-wrap:wrap;}
.footer-links h4{
  font-size:14px;font-weight:600;color:var(--text-main);
  margin-bottom:14px;letter-spacing:.02em;
}
.footer-links ul li{margin-bottom:10px;}
.footer-links ul a{font-size:14px;color:var(--text-sub);transition:color var(--transition);}
.footer-links ul a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:24px;font-size:13px;color:var(--text-dim);flex-wrap:wrap;gap:8px;
}
.footer-bottom a{color:var(--text-dim);}
.footer-bottom a:hover{color:var(--primary);}

/* Responsive */
@media (max-width:992px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .teams-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .steps-wrap{grid-template-columns:repeat(1,1fr);gap:40px;}
  .steps-wrap::before{display:none;}
  .footer-grid{gap:32px;flex-direction:column;}
  .footer-links{gap:40px;}
  .site-header{display:flex;justify-content:space-between;}
}
@media (max-width:768px){
  .site-header{
    top:12px;border-radius:18px;padding:0 16px;height:52px;
  }
  .site-nav{
    display:none;
    position:absolute;top:56px;left:0;right:0;
    background:rgba(14,14,17,0.96);border:1px solid var(--line);
    border-radius:16px;padding:12px;flex-direction:column;gap:4px;
    box-shadow:0 16px 40px rgba(0,0,0,0.5);
  }
  .site-nav.open{display:flex;}
  .site-nav a{padding:11px 14px;border-radius:10px;width:100%;}
  .site-nav a.active{background:var(--primary-soft);}
  .nav-mobile-cta{
    display:flex;margin-top:8px;width:100%;justify-content:center;
  }
  .header-cta .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding-top:120px;min-height:520px;}
  .hero-meta{gap:24px;margin-top:44px;}
  .teams-grid{grid-template-columns:1fr;gap:20px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .stat-item{padding:24px 12px;}
  .cta-banner{margin:0 16px 64px;padding:40px 24px;}
  .footer-links{flex-wrap:wrap;gap:24px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .hero-btns{flex-direction:column;align-items:center;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .logo-text{font-size:16px;}
  .logo-icon{width:30px;height:30px;font-size:13px;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .stat-item .num{font-size:1.4rem;}
  .hero h1{font-size:2rem;}
  .hero-sub{font-size:.95rem;}
  .section-title{font-size:1.45rem;}
  .section-head{margin-bottom:32px;}
  .cta-banner{padding:32px 20px;}
  .site-footer{padding:40px 0 24px;}
}

/* roulang page: category3 */
:root {
  --bg-deep: #0E0E11;
  --bg-raise: #1A1A1F;
  --bg-sunken: #09090B;
  --primary: #F0432A;
  --primary-hover: #FF5A3D;
  --primary-soft: rgba(240, 67, 42, 0.12);
  --gold: #FFC53C;
  --gold-soft: rgba(255, 197, 60, 0.1);
  --line: rgba(255, 255, 255, 0.08);
  --text-main: #F4F4F5;
  --text-sub: #A0A4AC;
  --text-dim: #6B6E76;
  --success: #22C55E;
  --radius: 14px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.4);
  --container: 1200px;
  --space: 80px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 2.2em;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(240,67,42,0.3); }
.btn-outline { background: transparent; border: 1px solid rgba(255,255,255,0.3); color: #fff; }
.btn-outline:hover { background: var(--primary-soft); border-color: var(--primary); color: var(--primary-hover); }
.btn-gold { background: var(--gold); color: #0E0E11; }
.btn-gold:hover { background: #ffd666; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(255,197,60,0.25); }
.btn:focus-visible, a:focus-visible, button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn:active { transform: translateY(0) scale(0.98); }

/* Header Dock */
.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: 100%;
  max-width: 1040px;
  padding: 0 16px;
}
.site-header .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  background: rgba(14,14,17,0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 0 20px 0 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.45);
}
.site-logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.2rem; }
.logo-icon {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-soft);
  border: 1px solid rgba(240,67,42,0.3);
  border-radius: 9px;
  color: var(--primary);
  font-size: 1rem;
}
.logo-text { color: var(--text-main); letter-spacing: 0.02em; }
.logo-dot { color: var(--primary); }
.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-sub);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  position: relative;
}
.site-nav a:hover { color: var(--primary); background: var(--primary-soft); }
.site-nav a.active { color: var(--primary); font-weight: 600; background: var(--primary-soft); }
.header-cta { display: flex; align-items: center; gap: 12px; }
.nav-cta { height: 36px; padding: 0 1.4em; font-size: 0.85rem; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 20px; height: 2px; background: var(--text-main); border-radius: 2px; transition: all 0.3s ease; }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 84px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 400px;
  background: rgba(14,14,17,0.97);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  z-index: 999;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.6);
}
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: 12px 16px; border-radius: 10px; font-size: 0.95rem; font-weight: 500; color: var(--text-sub); }
.mobile-nav a:hover { background: var(--primary-soft); color: var(--primary); }
.mobile-nav a.active { background: var(--primary-soft); color: var(--primary); }
.mobile-nav .btn { margin-top: 8px; width: 100%; }

/* Page Hero */
.page-hero {
  position: relative;
  padding: 200px 0 100px;
  background: linear-gradient(135deg, rgba(14,14,17,0.92), rgba(14,14,17,0.75)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  background: linear-gradient(transparent, var(--bg-deep));
  pointer-events: none;
}
.page-hero-inner { position: relative; z-index: 2; max-width: 760px; }
.page-hero .badge-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid rgba(255,197,60,0.2);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.page-hero h1 .gold-text {
  background: linear-gradient(135deg, var(--gold), #ff8a5c);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-hero .hero-desc {
  font-size: 1.15rem;
  color: var(--text-sub);
  line-height: 1.8;
  max-width: 620px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Section Base */
.section { padding: var(--space) 0; }
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
}
.section-header h2 span { color: var(--primary); }
.section-sub { color: var(--text-sub); font-size: 0.95rem; margin-top: 8px; max-width: 600px; }
.section-link { font-size: 0.875rem; color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.section-link:hover { color: var(--primary-hover); gap: 10px; }

/* Breadcrumb */
.breadcrumb {
  padding: 18px 0;
  font-size: 0.85rem;
  color: var(--text-dim);
  border-bottom: 1px solid var(--line);
  margin-bottom: 0;
}
.breadcrumb .container { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { color: var(--text-sub); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--text-dim); opacity: 0.5; }
.breadcrumb .current { color: var(--text-dim); }

/* Timeline Guide — Category 3 差异化布局：左右交替条带 */
.guide-stripes { display: flex; flex-direction: column; gap: 32px; }
.guide-stripe {
  display: flex;
  align-items: center;
  gap: 40px;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.guide-stripe:nth-child(even) { flex-direction: row-reverse; background: linear-gradient(135deg, rgba(240,67,42,0.06), transparent 60%), var(--bg-raise); }
.guide-stripe:hover { border-color: rgba(240,67,42,0.4); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.guide-stripe::before {
  content: '';
  position: absolute;
  width: 3px;
  height: 60%;
  left: 0;
  top: 20%;
  background: linear-gradient(var(--primary), var(--gold));
  border-radius: 3px;
  opacity: 0.7;
}
.guide-stripe .stripe-num {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(240,67,42,0.5);
  min-width: 80px;
  text-align: center;
}
.guide-stripe .stripe-img {
  width: 280px;
  height: 180px;
  flex-shrink: 0;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--line);
}
.guide-stripe .stripe-body { flex: 1; }
.guide-stripe .stripe-tag {
  display: inline-flex;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 6px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}
.guide-stripe h3 { font-size: 1.35rem; font-weight: 700; margin-bottom: 12px; }
.guide-stripe p { color: var(--text-sub); font-size: 0.95rem; line-height: 1.75; max-width: 520px; }
.guide-stripe .guide-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.guide-stripe .point-tag {
  font-size: 0.8rem;
  color: var(--text-sub);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

/* Stats Strip */
.stats-strip {
  background: var(--bg-sunken);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 48px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--primary), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 0.875rem; color: var(--text-sub); margin-top: 6px; }

/* Practice Path Cards */
.path-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.path-card {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  transition: all 0.3s ease;
}
.path-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.path-card .path-stage {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 2rem;
  font-weight: 800;
  color: rgba(255,255,255,0.06);
  line-height: 1;
}
.path-card .path-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  border-radius: 12px;
  color: var(--primary);
  font-size: 1.2rem;
  margin-bottom: 20px;
}
.path-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.path-card p { color: var(--text-sub); font-size: 0.9rem; line-height: 1.7; }
.path-card .path-feats { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.path-card .path-feats li {
  font-size: 0.85rem;
  color: var(--text-sub);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.path-card .path-feats i { color: var(--gold); font-size: 0.75rem; margin-top: 5px; }

/* Combat Insight / 战术洞察 */
.insight-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.insight-card {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}
.insight-card:hover { border-color: var(--gold); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.insight-card .insight-cover { width: 100%; height: 200px; object-fit: cover; }
.insight-card .insight-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.insight-card .insight-tag {
  align-self: flex-start;
  font-size: 0.75rem;
  background: var(--gold-soft);
  color: var(--gold);
  padding: 4px 12px;
  border-radius: 6px;
  font-weight: 600;
  margin-bottom: 12px;
}
.insight-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.insight-card p { font-size: 0.9rem; color: var(--text-sub); flex: 1; }

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, rgba(240,67,42,0.18), rgba(255,197,60,0.08));
  border: 1px solid rgba(240,67,42,0.25);
  border-radius: 20px;
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240,67,42,0.25), transparent 70%);
  top: -80px;
  right: -80px;
  pointer-events: none;
}
.cta-banner h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: 12px; }
.cta-banner p { color: var(--text-sub); font-size: 1rem; margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* FAQ */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 16px 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  background: none;
  transition: color 0.2s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-question .faq-icon { font-size: 1.25rem; color: var(--primary); transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer-inner { padding: 0 28px 20px; color: var(--text-sub); font-size: 0.9rem; line-height: 1.75; }
.faq-more { text-align: center; margin-top: 32px; }
.faq-more a { color: var(--text-sub); font-size: 0.9rem; border-bottom: 1px solid var(--line); padding-bottom: 4px; }
.faq-more a:hover { color: var(--primary); border-color: var(--primary); }

/* Footer */
.site-footer { background: var(--bg-sunken); border-top: 1px solid var(--line); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 2fr; gap: 60px; padding-bottom: 48px; }
.footer-brand .logo-text { font-size: 1.3rem; font-weight: 800; }
.footer-desc { color: var(--text-sub); font-size: 0.875rem; line-height: 1.7; margin-top: 16px; max-width: 340px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.footer-links h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-main); margin-bottom: 16px; }
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul a { color: var(--text-sub); font-size: 0.875rem; }
.footer-links ul a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid var(--line); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 0.8rem; color: var(--text-dim); }

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.scroll-indicator i { font-size: 1rem; margin-top: 8px; animation: bounce 2s infinite; }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* Responsive */
@media (max-width: 992px) {
  :root { --space: 60px; }
  .site-nav { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .path-grid { grid-template-columns: repeat(2, 1fr); }
  .insight-grid { grid-template-columns: 1fr; }
  .guide-stripe { flex-direction: column; align-items: flex-start; gap: 20px; padding: 24px; }
  .guide-stripe:nth-child(even) { flex-direction: column; }
  .guide-stripe .stripe-img { width: 100%; height: auto; max-height: 220px; }
  .guide-stripe .stripe-num { font-size: 2.4rem; min-width: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .page-hero { padding: 160px 0 80px; }
}
@media (max-width: 768px) {
  :root { --space: 48px; }
  .site-header { max-width: 100%; padding: 0 12px; }
  .site-header .nav-inner { padding: 0 12px 0 16px; height: 52px; }
  .path-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-number { font-size: 2rem; }
  .footer-links { grid-template-columns: 1fr; gap: 28px; }
  .cta-banner { padding: 40px 24px; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .page-hero h1 { font-size: clamp(1.9rem, 8vw, 2.6rem); }
  .page-hero .hero-desc { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .cta-banner .hero-actions { align-items: center; }
  .cta-banner .btn { width: auto; }
}
@media (max-width: 520px) {
  .page-hero { padding: 140px 0 60px; }
  .page-hero .badge-line { font-size: 0.75rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .guide-stripe { padding: 20px; }
  .guide-stripe h3 { font-size: 1.15rem; }
  .body-padding { padding: 0 20px; }
}

/* roulang page: category4 */
:root {
  --bg-deep: #0E0E11;
  --bg-raise: #1A1A1F;
  --bg-sunken: #09090B;
  --primary: #F0432A;
  --primary-hover: #FF5A3D;
  --primary-soft: rgba(240, 67, 42, 0.12);
  --gold: #FFC53C;
  --gold-soft: rgba(255, 197, 60, 0.1);
  --line: rgba(255, 255, 255, 0.08);
  --text-main: #F4F4F5;
  --text-sub: #A0A4AC;
  --text-dim: #6B6E76;
  --success: #22C55E;
  --radius-card: 14px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.4);
  --container: 1200px;
  --header-h: 56px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  font-size: 1rem;
  line-height: 1.75;
  padding-top: 88px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  background: none;
}
ul,
ol {
  list-style: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 520px) {
  .container {
    padding: 0 20px;
  }
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 2.2em;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all .2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(240, 67, 42, 0.35);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-gold {
  background: var(--gold);
  color: #1A1A1A;
}
.btn-gold:hover {
  background: #FFD45E;
  transform: translateY(-1px);
}
.btn-sm {
  height: 36px;
  padding: 0 1.3em;
  font-size: 0.85rem;
}

/* ========== Header / Dock Nav ========== */
.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1040px, calc(100% - 32px));
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: rgba(14, 14, 17, 0.78);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  z-index: 1000;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 16px;
  border: 1px solid rgba(240, 67, 42, 0.3);
}
.logo-text {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-main);
}
.logo-dot {
  color: var(--primary);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav a {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-sub);
  border-radius: var(--radius-pill);
  transition: all .2s ease;
  position: relative;
}
.site-nav a:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}
.site-nav a.active {
  color: var(--primary);
  font-weight: 600;
  background: var(--primary-soft);
}
.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-cta {
  height: 36px;
  padding: 0 1.4em;
  font-size: 0.85rem;
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 12px;
  background: var(--primary-soft);
  border: 1px solid var(--line);
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all .3s ease;
}
.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
@media (max-width: 992px) {
  .site-nav {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    width: calc(100% - 0px);
    background: rgba(14, 14, 17, 0.96);
    border: 1px solid var(--line);
    border-radius: 20px;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
  }
  .site-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
  .site-nav a {
    justify-content: center;
    padding: 12px 16px;
    font-size: 0.95rem;
  }
  .header-cta .nav-cta {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, rgba(14, 14, 17, 0.82), rgba(14, 14, 17, 0.6)), url("/assets/images/backpic/back-3.png") center / cover no-repeat;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 180px;
  background: linear-gradient(180deg, transparent, var(--bg-deep));
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding: 80px 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(240, 67, 42, 0.25);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.hero h1 .highlight {
  color: var(--gold);
  background: linear-gradient(120deg, var(--gold), #FFE08A);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: 1.05rem;
  color: var(--text-sub);
  max-width: 620px;
  margin: 0 auto 32px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}
@media (max-width: 768px) {
  .hero {
    min-height: 360px;
  }
  .hero-inner {
    padding: 100px 20px 64px;
  }
  .hero p {
    font-size: 0.95rem;
  }
}

/* ========== Section Common ========== */
.section {
  padding: 80px 0;
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-head .section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 14px;
}
.section-head p {
  color: var(--text-sub);
  font-size: 0.95rem;
  line-height: 1.75;
}
@media (max-width: 768px) {
  .section {
    padding: 48px 0;
  }
  .section-head {
    margin-bottom: 32px;
  }
}

/* ========== Stats Band ========== */
.stats-band {
  background: var(--bg-sunken);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 40px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item {
  padding: 20px 12px;
}
.stat-num {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-main);
}
.stat-num em {
  font-style: normal;
  color: var(--primary);
}
.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--text-sub);
}
@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}
@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .stat-item {
    padding: 12px 8px;
  }
}

/* ========== Timeline ========== */
.timeline-section {
  background: linear-gradient(180deg, var(--bg-deep), var(--bg-raise) 50%, var(--bg-deep));
}
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 130px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), rgba(240, 67, 42, 0.05));
}
.timeline-item {
  position: relative;
  display: flex;
  gap: 48px;
  padding: 28px 0;
}
.timeline-date {
  width: 130px;
  flex-shrink: 0;
  text-align: right;
  padding-right: 24px;
  position: relative;
}
.timeline-date::after {
  content: "";
  position: absolute;
  right: -11px;
  top: 28px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--bg-deep);
  box-shadow: 0 0 0 4px var(--primary-soft);
}
.timeline-date .date-day {
  display: block;
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-main);
}
.timeline-date .date-month {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 600;
}
.timeline-date .date-year {
  font-size: 0.75rem;
  color: var(--text-dim);
}
.timeline-card {
  flex: 1;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: all .25s ease;
}
.timeline-card:hover {
  border-color: rgba(240, 67, 42, 0.5);
  box-shadow: 0 0 0 1px rgba(240, 67, 42, 0.3), var(--shadow-hover);
  transform: translateY(-2px);
}
.timeline-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
}
.badge-gold {
  background: var(--gold-soft);
  color: var(--gold);
}
.status {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 6px;
}
.status-open {
  background: rgba(34, 197, 94, 0.12);
  color: var(--success);
}
.status-soon {
  background: var(--primary-soft);
  color: var(--primary);
}
.status-preview {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
}
.timeline-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.35;
}
.timeline-card p {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 16px;
}
.timeline-card-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.timeline-card-meta i {
  color: var(--primary);
  margin-right: 6px;
}
@media (max-width: 768px) {
  .timeline::before {
    left: 8px;
  }
  .timeline-item {
    flex-direction: column;
    gap: 8px;
    padding-left: 32px;
  }
  .timeline-date {
    width: auto;
    text-align: left;
    padding-right: 0;
    display: flex;
    align-items: baseline;
    gap: 8px;
  }
  .timeline-date::after {
    left: -32px;
    right: auto;
    top: 24px;
  }
  .timeline-date .date-day {
    font-size: 1.6rem;
  }
  .timeline-date .date-month {
    font-size: 0.8rem;
  }
  .timeline-date .date-year {
    font-size: 0.7rem;
  }
  .timeline-card {
    padding: 20px;
  }
}

/* ========== Activity Types ========== */
.type-section {
  background: var(--bg-sunken);
  border-top: 1px solid var(--line);
}
.type-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.type-card {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  text-align: center;
  transition: all .25s ease;
}
.type-card:hover {
  border-color: rgba(240, 67, 42, 0.5);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transform: translateY(-2px);
}
.type-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary);
  background: var(--primary-soft);
  border: 1px solid rgba(240, 67, 42, 0.2);
}
.type-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.type-card p {
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.7;
}
@media (max-width: 992px) {
  .type-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 520px) {
  .type-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== Process ========== */
.process-section {
  background: var(--bg-deep);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  position: relative;
  padding: 36px 24px 28px;
  border-radius: var(--radius-card);
  background: var(--bg-raise);
  border: 1px solid var(--line);
  text-align: center;
  transition: all .25s ease;
}
.process-step:hover {
  border-color: rgba(255, 197, 60, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transform: translateY(-2px);
}
.step-num {
  display: block;
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--primary);
  margin-bottom: 16px;
  opacity: 0.8;
}
.process-step h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.process-step p {
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.7;
}
@media (max-width: 992px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 520px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== FAQ ========== */
.faq-section {
  background: linear-gradient(180deg, var(--bg-deep), var(--bg-raise));
}
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item:first-child {
  border-top: 1px solid var(--line);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  background: none;
  transition: color .2s ease;
}
.faq-question:hover {
  color: var(--primary);
}
.faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-sub);
  transition: all .3s ease;
}
.faq-item.open .faq-icon {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-item.open .faq-answer {
  max-height: 200px;
}
.faq-answer p {
  padding: 0 8px 16px;
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.7;
}
.faq-more {
  text-align: center;
  margin-top: 24px;
}
.faq-more a {
  color: var(--text-sub);
  font-size: 0.9rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color .2s ease;
}
.faq-more a:hover {
  color: var(--primary);
  border-color: var(--primary);
}

/* ========== CTA Banner ========== */
.cta-banner {
  padding: 80px 0;
  background: var(--bg-deep);
}
.cta-box {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  border-radius: 20px;
  background: var(--primary-soft);
  border: 1px solid rgba(240, 67, 42, 0.3);
  padding: 64px 48px;
  text-align: center;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 67, 42, 0.25), transparent 70%);
  top: -80px;
  right: -80px;
  pointer-events: none;
}
.cta-box::after {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 197, 60, 0.12), transparent 70%);
  bottom: -60px;
  left: -60px;
  pointer-events: none;
}
.cta-box h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.cta-box p {
  color: var(--text-sub);
  font-size: 0.95rem;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}
.cta-box .btn {
  position: relative;
  z-index: 1;
}
@media (max-width: 768px) {
  .cta-banner {
    padding: 48px 0;
  }
  .cta-box {
    padding: 40px 24px;
  }
}

/* ========== Footer ========== */
.site-footer {
  background: var(--bg-sunken);
  border-top: 1px solid var(--line);
  padding: 56px 0 0;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-brand {
  max-width: 360px;
}
.footer-brand .logo-text {
  font-size: 1.3rem;
}
.footer-desc {
  margin-top: 16px;
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.75;
}
.footer-links {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}
.footer-links h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-main);
}
.footer-links ul li {
  margin-bottom: 10px;
}
.footer-links ul a {
  font-size: 0.85rem;
  color: var(--text-sub);
  transition: color .2s ease;
}
.footer-links ul a:hover {
  color: var(--primary);
}
.footer-bottom {
  margin-top: 48px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  text-align: center;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-dim);
}
@media (max-width: 768px) {
  .footer-grid {
    flex-direction: column;
    gap: 32px;
  }
  .footer-links {
    gap: 40px;
  }
}

/* ========== Utility ========== */
.text-dim {
  color: var(--text-dim);
}
.text-sub {
  color: var(--text-sub);
}