/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --brand-primary: #F25C2E;
  --brand-secondary: #173F36;
  --brand-secondary-light: #2A5C50;
  --brand-primary-dark: #D84A20;
  --background: #FAF7F2;
  --paper: #FFFFFF;
  --ink-strong: #1F1D1B;
  --ink-body: #38302C;
  --ink-muted: #756A63;
  --line: #E9E0D6;
  --accent-lime: #D8F142;
  --danger: #C33C3C;
  --success: #2E7D4F;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-tag: 999px;
  --shadow-card: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05);
  --shadow-hover: 0 12px 32px rgba(0,0,0,.09);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "Rajdhani", "Oswald", "Arial Narrow", sans-serif;
  --sidebar-width: 260px;
  --transition: all .25s ease;
}

/* ===== 基础 Reset ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--background);
  color: var(--ink-body);
  line-height: 1.75;
  font-size: 1rem;
  overflow-x: hidden;
}

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

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

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

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

/* ===== 侧边导航 ===== */
.site-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--brand-secondary);
  display: flex;
  flex-direction: column;
  z-index: 1040;
  overflow-y: auto;
}

.sidebar-brand {
  padding: 40px 32px 24px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

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

.brand-logo-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-lime);
  color: var(--brand-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .02em;
}

.brand-sub {
  color: rgba(255,255,255,.55);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  padding: 24px 0;
}

.sidebar-nav .nav-link-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 32px;
  color: rgba(255,255,255,.72);
  font-size: 16px;
  font-weight: 500;
  position: relative;
  transition: var(--transition);
  border-left: 4px solid transparent;
}

.sidebar-nav .nav-link-item i {
  width: 20px;
  text-align: center;
  font-size: 16px;
  opacity: .85;
}

.sidebar-nav .nav-link-item:hover {
  background: rgba(255,255,255,.06);
  color: #fff;
}

.sidebar-nav .nav-link-item.active {
  border-left-color: var(--brand-primary);
  color: #fff;
  font-weight: 700;
  background: linear-gradient(90deg, rgba(242,92,46,.15), transparent);
}

.sidebar-nav .nav-link-item:focus-visible {
  outline: 2px solid var(--accent-lime);
  outline-offset: -2px;
}

.sidebar-footer {
  padding: 24px 32px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.sidebar-footer p {
  color: rgba(255,255,255,.5);
  font-size: 12px;
  margin-bottom: 4px;
  line-height: 1.6;
}

.sidebar-footer .hotline {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 600;
  color: var(--accent-lime);
  letter-spacing: .04em;
}

/* ===== 移动端顶部导航 ===== */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--brand-secondary);
  z-index: 1050;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  box-shadow: 0 2px 12px rgba(0,0,0,.2);
}

.mobile-header .mobile-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-header .brand-logo-box {
  width: 36px;
  height: 36px;
  font-size: 18px;
  border-radius: 10px;
}

.mobile-header .brand-name {
  font-size: 17px;
}

.mobile-burger {
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 8px;
}

.mobile-burger:hover {
  background: rgba(255,255,255,.08);
}

.mobile-burger:focus-visible {
  outline: 2px solid var(--accent-lime);
}

.mobile-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  margin: 3px 0;
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-burger.open span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.mobile-burger.open span:nth-child(2) {
  opacity: 0;
}

.mobile-burger.open span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.mobile-drawer {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--brand-secondary);
  z-index: 1045;
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
  transform: translateY(-110%);
  transition: transform .3s ease;
  padding: 12px 0;
}

.mobile-drawer.open {
  transform: translateY(0);
}

.mobile-drawer a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  color: rgba(255,255,255,.8);
  font-size: 16px;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,.06);
  border-left: 4px solid transparent;
}

.mobile-drawer a:last-child {
  border-bottom: none;
}

.mobile-drawer a.active {
  color: #fff;
  border-left-color: var(--brand-primary);
  background: rgba(242,92,46,.12);
  font-weight: 700;
}

.mobile-drawer a:focus-visible {
  outline: 2px solid var(--accent-lime);
}

/* ===== 主内容区 ===== */
.site-main {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* ===== Hero 区 ===== */
.hero {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  padding: 120px 0 100px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(105deg, rgba(15,42,36,.94) 0%, rgba(15,42,36,.78) 45%, rgba(15,42,36,.4) 100%);
}

.hero::after {
  content: '燃';
  position: absolute;
  right: -30px;
  bottom: -60px;
  font-size: 320px;
  font-weight: 900;
  color: rgba(255,255,255,.04);
  line-height: 1;
  pointer-events: none;
  font-family: var(--font-sans);
}

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

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(216,241,66,.15);
  border: 1px solid rgba(216,241,66,.4);
  color: var(--accent-lime);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  padding: 6px 16px;
  border-radius: var(--radius-tag);
  margin-bottom: 24px;
}

.hero-title {
  color: #fff;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,.3);
}

.hero-title span {
  color: var(--brand-primary);
}

.hero-subtitle {
  color: rgba(255,255,255,.85);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 36px;
}

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

.hero-image-wrap {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
  transform: rotate(2deg);
  transition: var(--transition);
  position: relative;
}

.hero-image-wrap:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero-image-wrap img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}

.hero-image-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(15,42,36,.85);
  color: #fff;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: var(--radius-tag);
  display: flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: none;
}

/* ===== 按钮 ===== */
.btn {
  border-radius: var(--radius-btn);
  font-weight: 700;
  padding: 0.875rem 2rem;
  transition: var(--transition);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  line-height: 1.2;
}

.btn:focus-visible {
  outline: 2px solid var(--accent-lime);
  outline-offset: 3px;
  box-shadow: none;
}

.btn-primary {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff !important;
}

.btn-primary:hover {
  background: var(--brand-primary-dark);
  border-color: var(--brand-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(242,92,46,.3);
}

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

.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,.6);
  color: #fff !important;
}

.btn-outline-light:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
}

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

.btn-outline-primary:hover {
  background: rgba(242,92,46,.08);
}

.btn-lg {
  padding: 1rem 2.4rem;
  font-size: 1.05rem;
}

.btn .arrow {
  transition: transform .25s ease;
}

.btn:hover .arrow {
  transform: translateX(4px);
}

/* ===== 板块通用标题 ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--brand-primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--brand-primary);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--ink-strong);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--ink-muted);
  font-size: 1rem;
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.section-padding {
  padding: 96px 0;
}

/* ===== 最新动态 ===== */
.news-section {
  padding: 96px 0;
  background: var(--background);
}

.news-section .section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}

.news-list {
  border-top: 1px solid var(--line);
}

.news-card {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  transition: var(--transition);
  align-items: flex-start;
}

.news-card:hover {
  background: rgba(255,255,255,.6);
  padding-left: 16px;
  padding-right: 16px;
  border-radius: 12px;
}

.news-cover {
  width: 160px;
  height: 108px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--line);
}

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

.news-content {
  flex: 1;
}

.news-category {
  display: inline-block;
  background: rgba(242,92,46,.1);
  color: var(--brand-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: var(--radius-tag);
  margin-bottom: 8px;
}

.news-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink-strong);
  margin-bottom: 6px;
  line-height: 1.4;
  transition: var(--transition);
}

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

.news-content p {
  color: var(--ink-muted);
  font-size: 0.95rem;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-date {
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--ink-muted);
  font-weight: 500;
}

.news-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-muted);
  font-size: 1.05rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.5);
  border-radius: 0 0 16px 16px;
}

/* ===== 议程时间线 ===== */
.agenda-section {
  padding: 96px 0;
  background: var(--paper);
}

.timeline {
  position: relative;
  padding-left: 0;
  margin-top: 48px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 48px 48px 0;
}

.timeline-item:nth-child(even) {
  left: 50%;
  padding: 0 0 48px 48px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  top: 8px;
  right: -8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--brand-primary);
  border: 3px solid var(--line);
  z-index: 1;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -8px;
  right: auto;
}

.timeline-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}

.timeline-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(242,92,46,.3);
}

.timeline-time {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  color: var(--brand-primary);
  letter-spacing: .04em;
  margin-bottom: 6px;
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-strong);
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* ===== 嘉宾 / 亮点 ===== */
.feature-section {
  padding: 96px 0;
  background: var(--background);
}

.guest-row {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

.guest-row:nth-child(even) {
  flex-direction: row-reverse;
}

.guest-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  position: relative;
}

.guest-avatar::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px dashed rgba(242,92,46,.4);
}

.guest-avatar.avatar-1 {
  background: var(--brand-secondary);
}

.guest-avatar.avatar-2 {
  background: var(--brand-primary);
}

.guest-avatar.avatar-3 {
  background: #4A6FA5;
}

.guest-info {
  flex: 1;
  min-width: 260px;
}

.guest-info h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ink-strong);
  margin-bottom: 6px;
}

.guest-info .guest-role {
  color: var(--brand-primary);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .06em;
  margin-bottom: 12px;
}

.guest-info p {
  color: var(--ink-muted);
  line-height: 1.7;
  max-width: 480px;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.highlight-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.highlight-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--brand-primary);
  opacity: 0;
  transition: var(--transition);
}

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

.highlight-item:hover::before {
  opacity: 1;
}

.highlight-num {
  font-family: var(--font-num);
  font-size: 48px;
  font-weight: 700;
  color: var(--brand-primary);
  line-height: 1;
  margin-bottom: 16px;
}

.highlight-item h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-strong);
  margin-bottom: 10px;
}

.highlight-item p {
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== 票种对比 ===== */
.ticket-section {
  padding: 96px 0;
  background: var(--paper);
}

.ticket-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  background: var(--paper);
}

.ticket-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.ticket-table thead th {
  background: var(--brand-secondary);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 24px 20px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.08);
  vertical-align: middle;
}

.ticket-table thead th:first-child {
  text-align: left;
  width: 200px;
}

.ticket-table thead th .price {
  display: block;
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-lime);
  margin-top: 4px;
}

.ticket-table thead th .ticket-name {
  font-size: 1rem;
  color: rgba(255,255,255,.85);
}

.ticket-table thead th.recommend-col {
  background: var(--brand-primary);
  position: relative;
}

.ticket-table thead th.recommend-col .recommend-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--accent-lime);
  color: var(--brand-secondary);
  font-size: 12px;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: var(--radius-tag);
}

.ticket-table tbody td {
  padding: 16px 20px;
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--ink-body);
  border-right: 1px solid var(--line);
}

.ticket-table tbody td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--ink-strong);
}

.ticket-table tbody tr:hover {
  background: rgba(242,92,46,.04);
}

.ticket-table tbody td.recommend-col {
  background: rgba(242,92,46,.04);
}

.ticket-table tbody .check-icon {
  color: var(--success);
  font-size: 18px;
}

.ticket-table tbody .dash-icon {
  color: var(--line);
  font-size: 18px;
}

.ticket-table tbody .btn {
  padding: .6rem 1.5rem;
  font-size: .95rem;
}

/* ===== 报名 CTA ===== */
.register-section {
  padding: 96px 0;
  background: var(--brand-secondary);
  position: relative;
  overflow: hidden;
}

.register-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--brand-primary), var(--accent-lime) 50%, var(--brand-primary));
  opacity: .6;
}

.register-section .container {
  position: relative;
  z-index: 2;
}

.register-left {
  padding-right: 48px;
}

.register-left .section-title {
  color: #fff;
}

.register-left .section-desc {
  color: rgba(255,255,255,.7);
}

.register-feature-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}

.register-feature-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.8);
  padding: 8px 0;
  font-size: 1rem;
}

.register-feature-list li i {
  color: var(--accent-lime);
  width: 20px;
  text-align: center;
}

.register-form-card {
  background: var(--paper);
  border-radius: var(--radius-card);
  padding: 40px;
  box-shadow: 0 24px 60px rgba(0,0,0,.25);
}

.register-form-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--ink-strong);
  margin-bottom: 8px;
}

.register-form-card .form-sub {
  color: var(--ink-muted);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.form-label {
  font-weight: 600;
  color: var(--ink-strong);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.form-label .required {
  color: var(--danger);
  margin-left: 2px;
}

.form-control,
.form-select {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  background: #fff;
  color: var(--ink-body);
  transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(242,92,46,.12);
  outline: none;
}

.form-control::placeholder {
  color: #B8AFA5;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23756A63' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.register-form-card .btn {
  width: 100%;
  margin-top: 16px;
}

.form-error {
  display: none;
  color: var(--danger);
  font-size: 13px;
  margin-top: 4px;
}

.form-control.error {
  border-color: var(--danger);
}

.form-control.error+.form-error {
  display: block;
}

.form-success {
  display: none;
  background: rgba(46,125,79,.1);
  border: 1px solid rgba(46,125,79,.3);
  color: var(--success);
  font-size: 14px;
  padding: 12px 16px;
  border-radius: 10px;
  margin-top: 16px;
}

.form-success.show {
  display: block;
}

.notice-link {
  display: block;
  text-align: center;
  margin-top: 16px;
  font-size: 14px;
  color: var(--ink-muted);
}

.notice-link a {
  color: var(--brand-primary);
  border-bottom: 1px dashed var(--brand-primary);
}

.notice-link a:hover {
  color: var(--brand-primary-dark);
  border-bottom-style: solid;
}

/* ===== FAQ 区块 ===== */
.faq-section {
  padding: 96px 0;
  background: var(--background);
}

.faq-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(242,92,46,.25);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--ink-strong);
  gap: 16px;
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(242,92,46,.03);
}

.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(242,92,46,.1);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--brand-primary);
  color: #fff;
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}

.faq-item.active .faq-answer {
  padding: 0 24px 20px;
  max-height: 300px;
}

.faq-answer p {
  color: var(--ink-body);
  font-size: 0.95rem;
  line-height: 1.7;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--brand-secondary);
  color: rgba(255,255,255,.6);
  padding: 64px 0 0;
}

.footer-top {
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand-name {
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 16px;
}

.footer-brand-desc {
  color: rgba(255,255,255,.6);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h5 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--brand-primary);
  border-radius: 2px;
}

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

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

.footer-col ul li a {
  color: rgba(255,255,255,.6);
  font-size: 0.95rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--accent-lime);
  padding-left: 4px;
}

.footer-col ul li a:focus-visible {
  outline: 2px solid var(--accent-lime);
  outline-offset: 4px;
  border-radius: 4px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.6);
  font-size: 0.95rem;
}

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

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 14px;
  color: rgba(255,255,255,.4);
}

.footer-bottom a {
  color: rgba(255,255,255,.5);
}

.footer-bottom a:hover {
  color: #fff;
}

/* ===== 响应式 ===== */
@media (max-width: 1400px) {
  :root {
    --sidebar-width: 240px;
  }
}

@media (max-width: 1199px) {
  :root {
    --sidebar-width: 220px;
  }

  .sidebar-nav .nav-link-item {
    padding: 12px 20px;
    font-size: 15px;
  }

  .sidebar-footer {
    padding: 20px;
  }

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

  .guest-row {
    gap: 24px;
  }

  .guest-avatar {
    width: 100px;
    height: 100px;
    font-size: 32px;
  }
}

@media (max-width: 991px) {
  .site-sidebar {
    display: none;
  }

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

  .mobile-header {
    display: flex;
  }

  .site-main {
    padding-top: 64px;
  }

  .hero {
    padding: 80px 0 64px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .timeline::before {
    left: 12px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    width: 100%;
    left: 0;
    padding: 0 0 40px 48px;
  }

  .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 4px;
    right: auto;
    top: 10px;
  }

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

  .register-left {
    padding-right: 0;
    margin-bottom: 40px;
  }

  .section-padding,
  .news-section,
  .agenda-section,
  .feature-section,
  .ticket-section,
  .register-section,
  .faq-section {
    padding: 64px 0;
  }

  .highlight-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

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

  .news-card {
    flex-direction: column;
    gap: 12px;
  }

  .news-cover {
    width: 100%;
    height: 180px;
  }

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

  .guest-row,
  .guest-row:nth-child(even) {
    flex-direction: column;
    text-align: center;
  }

  .guest-info p {
    margin: 0 auto;
  }

  .register-form-card {
    padding: 24px;
  }

  .ticket-table {
    min-width: 600px;
  }

  .footer-col {
    margin-bottom: 32px;
  }

  .timeline-card {
    padding: 18px;
  }
}

@media (max-width: 575px) {
  .hero {
    padding: 64px 0 48px;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .news-card {
    padding: 20px 0;
  }

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

  .register-feature-list li {
    font-size: 0.95rem;
  }

  .timeline-time {
    font-size: 18px;
  }
}

/* roulang page: category1 */
:root {
  --brand-primary: #F25C2E;
  --brand-primary-dark: #D84A20;
  --brand-secondary: #173F36;
  --brand-secondary-light: #2A5C50;
  --background: #FAF7F2;
  --paper: #FFFFFF;
  --ink-strong: #1F1D1B;
  --ink-body: #38302C;
  --ink-muted: #756A63;
  --line: #E9E0D6;
  --accent-lime: #D8F142;
  --danger: #C33C3C;
  --success: #2E7D4F;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05);
  --shadow-card-hover: 0 12px 32px rgba(0,0,0,.09);
  --sidebar-width: 260px;
  --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-family);
  background:var(--background);
  color:var(--ink-body);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;transition:color .2s}
img{max-width:100%;vertical-align:middle}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--ink-strong);line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{max-width:1160px;padding-left:32px;padding-right:32px}
.btn{
  border-radius:var(--radius-btn);
  font-weight:700;
  padding:.875rem 2rem;
  transition:all .25s ease;
  border:1px solid transparent;
  font-size:1rem;
  line-height:1.4;
}
.btn:focus-visible{outline:2px solid var(--accent-lime);outline-offset:3px;box-shadow:none}
.btn-primary{background:var(--brand-primary);border-color:var(--brand-primary);color:#fff}
.btn-primary:hover{background:var(--brand-primary-dark);border-color:var(--brand-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(242,92,46,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline-light{border-color:rgba(255,255,255,.65);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;transform:translateY(-1px)}
.btn-outline-light:active{transform:translateY(1px)}
.btn-outline-primary{border-color:var(--brand-primary);color:var(--brand-primary);background:transparent}
.btn-outline-primary:hover{background:rgba(242,92,46,.08);color:var(--brand-primary-dark);border-color:var(--brand-primary-dark)}
/* 侧边导航 */
.sidebar{
  position:fixed;
  left:0;top:0;
  width:var(--sidebar-width);
  height:100vh;
  background:var(--brand-secondary);
  display:flex;
  flex-direction:column;
  padding:32px 20px 24px;
  z-index:1050;
  overflow-y:auto;
}
.sidebar-brand{
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 8px;
  margin-bottom:44px;
}
.brand-logo{
  width:48px;height:48px;
  background:var(--accent-lime);
  color:var(--brand-secondary);
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.6rem;font-weight:900;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{color:#fff;font-size:1.35rem;font-weight:800;letter-spacing:.02em}
.brand-text span{color:rgba(255,255,255,.55);font-size:.7rem;letter-spacing:.14em;font-weight:600}
.sidebar-nav{
  display:flex;
  flex-direction:column;
  gap:6px;
  flex:1;
}
.nav-link-item{
  display:flex;
  align-items:center;
  gap:14px;
  padding:13px 14px;
  border-radius:10px;
  color:rgba(255,255,255,.72);
  font-size:.95rem;
  font-weight:600;
  border-left:4px solid transparent;
  transition:background .2s,color .2s,border-color .2s;
}
.nav-link-item i{width:20px;text-align:center;font-size:1.05rem}
.nav-link-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-link-item.active{
  border-left-color:var(--brand-primary);
  color:var(--brand-primary);
  background:rgba(242,92,46,.13);
}
.nav-link-item:focus-visible{outline:2px solid var(--accent-lime);outline-offset:2px}
.sidebar-footer{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;margin-top:auto}
.sidebar-footer p{color:rgba(255,255,255,.45);font-size:.75rem;margin-bottom:6px;letter-spacing:.06em}
.sidebar-footer a{color:rgba(255,255,255,.75);font-size:.95rem;font-weight:600;display:block;margin-bottom:12px}
.sidebar-footer a:hover{color:var(--accent-lime)}
.sidebar-social{display:flex;gap:14px}
.sidebar-social i{color:rgba(255,255,255,.5);font-size:1.1rem;transition:color .2s}
.sidebar-social i:hover{color:var(--accent-lime)}
/* 主内容 */
.main-content{margin-left:var(--sidebar-width)}
/* 移动端顶部导航 */
.mobile-header{
  display:none;
  position:sticky;top:0;z-index:1040;
  height:64px;
  background:var(--brand-secondary);
  padding:0 20px;
  align-items:center;
  justify-content:space-between;
}
.mobile-brand{color:#fff;font-size:1.3rem;font-weight:800;letter-spacing:.02em}
.mobile-toggle{
  background:none;border:none;color:#fff;
  font-size:1.5rem;
  width:44px;height:44px;
  border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s;
}
.mobile-toggle:hover{background:rgba(255,255,255,.08)}
.mobile-toggle:focus-visible{outline:2px solid var(--accent-lime)}
.mobile-menu{
  display:none;
  position:fixed;
  top:64px;left:0;right:0;
  background:var(--brand-secondary);
  padding:8px 20px 16px;
  z-index:1030;
  flex-direction:column;
  box-shadow:0 12px 28px rgba(0,0,0,.22);
}
.mobile-menu.open{display:flex}
.mobile-menu a{
  color:rgba(255,255,255,.78);
  padding:14px 12px;
  font-size:1rem;
  font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:color .2s,padding-left .2s;
}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu a:hover{color:#fff;padding-left:16px}
.mobile-menu a.active{color:var(--brand-primary);border-left:4px solid var(--brand-primary)}
/* Hero */
.cat-hero{
  position:relative;
  padding:110px 0;
  background:var(--brand-secondary);
  color:#fff;
  overflow:hidden;
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:.32;
}
.cat-hero::after{
  content:'';
  position:absolute;
  left:0;right:0;bottom:0;
  height:90px;
  background:linear-gradient(to top,var(--background),transparent);
  z-index:1;
}
.cat-hero-content{
  position:relative;
  z-index:2;
  max-width:740px;
}
.cat-hero-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--brand-primary);
  color:#fff;
  padding:5px 18px;
  border-radius:var(--radius-pill);
  font-size:.8rem;
  letter-spacing:.06em;
  font-weight:800;
  margin-bottom:22px;
}
.cat-hero-tag i{font-size:.8rem}
.cat-hero h1{
  font-size:clamp(2rem,4.6vw,3.2rem);
  font-weight:900;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:-.02em;
}
.cat-hero p{
  font-size:1.12rem;
  color:rgba(255,255,255,.78);
  max-width:620px;
  margin-bottom:34px;
  line-height:1.75;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
/* 板块通用 */
.section{padding:82px 0}
.section-head{margin-bottom:42px;max-width:680px}
.section-tag{
  display:inline-block;
  color:var(--brand-primary);
  font-size:.78rem;
  font-weight:800;
  letter-spacing:.16em;
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-head h2{font-size:clamp(1.6rem,2.8vw,2.1rem);font-weight:800;color:var(--ink-strong);margin-bottom:12px}
.section-head p{color:var(--ink-muted);font-size:1rem}
/* 数据统计 */
.stats-section{padding:0 0 72px;margin-top:-10px;position:relative;z-index:3}
.stat-card{
  background:var(--paper);
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  padding:30px 20px;
  text-align:center;
  height:100%;
  transition:box-shadow .3s,transform .3s;
}
.stat-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-3px)}
.stat-icon{
  width:52px;height:52px;
  background:rgba(242,92,46,.1);
  color:var(--brand-primary);
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.35rem;
  margin:0 auto 14px;
}
.stat-number{
  font-size:2.3rem;
  font-weight:800;
  color:var(--ink-strong);
  line-height:1.1;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
}
.stat-number em{font-style:normal;color:var(--brand-primary);font-size:1.2rem;font-weight:800}
.stat-label{color:var(--ink-muted);font-size:.9rem;margin-top:6px}
/* 赛事特色 */
.features-section{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.feature-card{
  background:var(--background);
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  padding:30px 26px;
  height:100%;
  transition:box-shadow .3s,border-color .3s,transform .3s;
}
.feature-card:hover{box-shadow:var(--shadow-card-hover);border-color:rgba(242,92,46,.35);transform:translateY(-3px)}
.feature-icon{
  width:56px;height:56px;
  background:var(--brand-secondary);
  color:var(--accent-lime);
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;
  margin-bottom:20px;
}
.feature-card h3{font-size:1.25rem;font-weight:700;color:var(--ink-strong);margin-bottom:10px}
.feature-card p{color:var(--ink-muted);font-size:.95rem;line-height:1.7}
/* 时间线 */
.schedule-section{background:var(--background)}
.timeline{position:relative;padding-left:44px}
.timeline::before{
  content:'';
  position:absolute;
  left:14px;top:8px;bottom:8px;
  width:2px;
  background:var(--line);
}
.timeline-item{position:relative;padding-bottom:36px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:'';
  position:absolute;
  left:-30px;top:10px;
  width:16px;height:16px;
  border-radius:50%;
  background:var(--paper);
  border:4px solid var(--brand-primary);
}
.timeline-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:14px;
  padding:24px 28px;
  box-shadow:var(--shadow-card);
  transition:box-shadow .3s,border-color .3s;
}
.timeline-card:hover{box-shadow:var(--shadow-card-hover);border-color:rgba(242,92,46,.3)}
.timeline-date{
  display:inline-block;
  color:var(--brand-primary);
  font-weight:800;
  font-size:.82rem;
  letter-spacing:.08em;
  background:rgba(242,92,46,.09);
  padding:3px 14px;
  border-radius:var(--radius-pill);
  margin-bottom:10px;
}
.timeline-card h3{font-size:1.2rem;font-weight:700;color:var(--ink-strong);margin-bottom:8px}
.timeline-card p{margin:0;color:var(--ink-muted);font-size:.95rem;line-height:1.7}
/* 赛制与赛区 */
.rule-section{background:var(--paper);border-top:1px solid var(--line)}
.rule-panel{
  background:var(--brand-secondary);
  border-radius:var(--radius-card);
  color:rgba(255,255,255,.85);
  padding:36px;
  height:100%;
}
.rule-panel h3{color:#fff;font-size:1.4rem;font-weight:800;margin-bottom:8px}
.rule-panel .panel-sub{color:rgba(255,255,255,.5);font-size:.88rem;margin-bottom:26px}
.rule-list li{
  padding:13px 0;
  border-bottom:1px solid rgba(255,255,255,.09);
  display:flex;
  gap:14px;
  align-items:flex-start;
  font-size:.95rem;
}
.rule-list li:last-child{border-bottom:none}
.rule-list i{color:var(--accent-lime);margin-top:6px;font-size:.85rem}
.zone-wrap{padding-left:12px}
.zone-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;height:calc(100% - 30px)}
.zone-card{
  background:var(--background);
  border:1px solid var(--line);
  border-radius:14px;
  padding:22px;
  transition:box-shadow .3s,border-color .3s,transform .3s;
}
.zone-card:hover{box-shadow:var(--shadow-card-hover);border-color:rgba(242,92,46,.35);transform:translateY(-2px)}
.zone-name{font-size:1.05rem;font-weight:800;color:var(--brand-secondary);margin-bottom:6px}
.zone-name i{color:var(--brand-primary);margin-right:8px}
.zone-cities{color:var(--ink-muted);font-size:.85rem;line-height:1.6}
.zone-label{
  font-size:.8rem;
  font-weight:800;
  color:var(--brand-primary);
  letter-spacing:.1em;
  margin-bottom:4px;
}
/* 赛事亮点 */
.highlight-section{background:var(--background)}
.highlight-row{
  display:flex;
  align-items:center;
  gap:52px;
  margin-bottom:64px;
}
.highlight-row:last-child{margin-bottom:0}
.highlight-row:nth-child(even){flex-direction:row-reverse}
.highlight-media{flex:1;min-width:0}
.highlight-media img{
  width:100%;
  height:320px;
  object-fit:cover;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .4s,box-shadow .3s;
}
.highlight-media img:hover{box-shadow:var(--shadow-card-hover);transform:scale(1.01)}
.highlight-text{flex:1}
.highlight-num{
  font-size:3rem;
  font-weight:800;
  color:transparent;
  -webkit-text-stroke:2px var(--brand-primary);
  line-height:1;
  margin-bottom:10px;
}
.highlight-text h3{font-size:1.4rem;font-weight:800;color:var(--ink-strong);margin-bottom:12px}
.highlight-text p{color:var(--ink-muted);font-size:.98rem;line-height:1.75}
.highlight-tag{
  display:inline-block;
  background:var(--brand-secondary);
  color:var(--accent-lime);
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.08em;
  padding:4px 14px;
  border-radius:var(--radius-pill);
  margin-bottom:10px;
}
/* FAQ */
.faq-section{background:var(--paper);border-top:1px solid var(--line)}
.custom-faq{
  background:var(--paper);
  border:1px solid var(--line) !important;
  border-radius:14px !important;
  margin-bottom:14px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:box-shadow .3s,border-color .3s;
}
.custom-faq:hover{box-shadow:var(--shadow-card-hover);border-color:rgba(242,92,46,.3) !important}
.custom-faq .accordion-button{
  background:var(--paper);
  color:var(--ink-strong);
  font-weight:700;
  font-size:1rem;
  padding:20px 22px;
  border-radius:14px !important;
  box-shadow:none;
  font-family:var(--font-family);
}
.custom-faq .accordion-button:hover{color:var(--brand-primary)}
.custom-faq .accordion-button:focus{
  box-shadow:none;
  outline:2px solid var(--accent-lime);
  outline-offset:-2px;
  border-radius:14px !important;
}
.custom-faq .accordion-button:not(.collapsed){
  color:var(--brand-primary);
  background:var(--paper);
}
.custom-faq .accordion-button::after{
  content:'+';
  background-image:none;
  width:34px;height:34px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.7rem;
  font-weight:300;
  color:var(--brand-primary);
  transition:transform .3s;
  line-height:1;
}
.custom-faq .accordion-button:not(.collapsed)::after{
  content:'×';
  transform:rotate(0deg);
}
.custom-faq .accordion-body{
  padding:0 22px 22px;
  color:var(--ink-body);
  font-size:.95rem;
  line-height:1.75;
  border-top:1px dashed var(--line);
  padding-top:16px;
}
/* CTA */
.cta-wrap{margin:0 32px}
.cta-banner{
  background:
    linear-gradient(rgba(23,63,54,.92),rgba(23,63,54,.92)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-radius:24px;
  padding:64px;
  color:#fff;
  position:relative;
  overflow:hidden;
  text-align:center;
}
.cta-banner::before{
  content:'燃';
  position:absolute;
  right:-10px;bottom:-40px;
  font-size:12rem;
  font-weight:900;
  color:rgba(255,255,255,.045);
  line-height:1;
  pointer-events:none;
}
.cta-banner h2{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800;margin-bottom:14px}
.cta-banner p{color:rgba(255,255,255,.75);max-width:560px;margin:0 auto 32px;font-size:1.02rem}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;z-index:2}
/* 页脚 */
.site-footer{
  background:var(--brand-secondary);
  color:rgba(255,255,255,.75);
  padding:60px 0 0;
  margin-top:0;
}
.footer-top{padding-bottom:40px}
.footer-col{margin-bottom:32px}
.footer-brand-name{color:#fff;font-size:1.5rem;font-weight:800;margin-bottom:14px;letter-spacing:.02em}
.footer-brand-desc{color:rgba(255,255,255,.6);font-size:.95rem;line-height:1.75;max-width:340px}
.site-footer h5{color:#fff;font-size:1.05rem;font-weight:700;margin-bottom:18px;letter-spacing:.04em}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{color:rgba(255,255,255,.6);font-size:.92rem;transition:color .2s,padding-left .2s}
.site-footer ul a:hover{color:var(--accent-lime);padding-left:4px}
.footer-contact li{color:rgba(255,255,255,.6);font-size:.92rem;display:flex;gap:10px;align-items:flex-start;margin-bottom:10px}
.footer-contact i{color:var(--brand-primary);margin-top:5px;font-size:.9rem}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  text-align:center;
  color:rgba(255,255,255,.4);
  font-size:.82rem;
}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--accent-lime)}
/* 响应式 */
@media (max-width:1199.98px){
  :root{--sidebar-width:220px}
  .main-content .container{padding-left:28px;padding-right:28px}
  .zone-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991.98px){
  .sidebar{display:none}
  .mobile-header{display:flex}
  .main-content{margin-left:0}
  .section{padding:60px 0}
  .highlight-row{gap:28px}
  .highlight-media img{height:260px}
  .cta-wrap{margin:0 12px}
  .cta-banner{padding:48px 24px}
}
@media (max-width:767.98px){
  .main-content .container{padding-left:16px;padding-right:16px}
  .section{padding:48px 0}
  .section-head{margin-bottom:28px}
  .cat-hero{padding:72px 0}
  .cat-hero p{font-size:1rem}
  .hero-actions .btn{width:100%;text-align:center}
  .timeline{padding-left:34px}
  .timeline-item::before{left:-28px}
  .zone-grid{grid-template-columns:1fr 1fr;gap:12px}
  .rule-panel{padding:28px 22px}
  .zone-wrap{padding-left:0;margin-top:28px}
  .highlight-row,
  .highlight-row:nth-child(even){flex-direction:column;gap:20px;margin-bottom:44px}
  .highlight-media img{height:auto;max-height:240px}
  .cta-banner{padding:40px 20px;border-radius:18px}
  .cta-actions .btn{width:100%;text-align:center}
  .footer-bottom p{padding:0 16px;line-height:1.6}
}
@media (max-width:575.98px){
  .stat-card{padding:22px 16px}
  .stat-number{font-size:1.9rem}
  .zone-grid{grid-template-columns:1fr}
  .zone-card{padding:18px}
  .timeline-card{padding:18px}
  .feature-card{padding:24px 20px}
  .highlight-num{font-size:2.4rem}
}

/* roulang page: article */
:root {
  --brand-primary: #F25C2E;
  --brand-primary-dark: #D84A20;
  --brand-secondary: #173F36;
  --brand-secondary-light: #2A5C50;
  --background: #FAF7F2;
  --paper: #FFFFFF;
  --ink-strong: #1F1D1B;
  --ink-body: #38302C;
  --ink-muted: #756A63;
  --line: #E9E0D6;
  --accent-lime: #D8F142;
  --danger: #C33C3C;
  --success: #2E7D4F;
  --radius-card: 16px;
  --radius-btn: 10px;
  --shadow-card: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05);
  --shadow-card-hover: 0 12px 32px rgba(0,0,0,.09);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-display: "Rajdhani", "Oswald", var(--font-sans);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--background);
  color: var(--ink-strong);
  line-height: 1.75;
  font-size: 1rem;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; vertical-align: middle; }
button, input, select, textarea { font-family: inherit; }

/* ===== 左侧竖向导航 ===== */
.site-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 260px;
  height: 100vh;
  background: var(--brand-secondary);
  color: #F5EFE7;
  display: flex;
  flex-direction: column;
  z-index: 1040;
  padding: 32px 20px 28px;
}
.sidebar-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 38px;
  padding: 0 6px;
}
.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--accent-lime);
  color: var(--brand-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 900;
  flex-shrink: 0;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  color: #fff;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: .02em;
}
.brand-text small {
  font-size: .68rem;
  color: rgba(255,255,255,.65);
  letter-spacing: .14em;
  font-weight: 400;
  text-transform: uppercase;
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
}
.nav-link-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: 12px;
  color: rgba(255,255,255,.78);
  font-weight: 600;
  font-size: .95rem;
  position: relative;
  transition: background .2s, color .2s;
}
.nav-link-item i { width: 20px; text-align: center; font-size: 1rem; }
.nav-link-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-link-item.active { background: rgba(242,92,46,.14); color: #fff; }
.nav-link-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 4px;
  border-radius: 4px;
  background: var(--brand-primary);
}
.nav-link-item:focus-visible {
  outline: 2px solid var(--accent-lime);
  outline-offset: 2px;
  border-radius: 8px;
}
.sidebar-contact {
  margin-top: auto;
  padding: 16px 8px 0;
  border-top: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.7);
  font-size: .78rem;
  line-height: 1.9;
  letter-spacing: .02em;
}
.sidebar-contact strong {
  color: #fff;
  font-size: .82rem;
  display: block;
  margin-bottom: 4px;
}
.sidebar-contact p { margin: 0; color: rgba(255,255,255,.6); }

/* ===== 移动端顶部导航 ===== */
.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 20px;
  background: var(--brand-secondary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 1030;
}
.mobile-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: #fff;
}
.mobile-brand .brand-mark {
  width: 34px;
  height: 34px;
  font-size: 1.1rem;
  border-radius: 10px;
}
.nav-toggle {
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  border-radius: 8px;
}
.nav-toggle:hover { background: rgba(255,255,255,.08); }
.nav-toggle:focus-visible { outline: 2px solid var(--accent-lime); }
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  max-width: 82vw;
  background: var(--brand-secondary);
  z-index: 1050;
  transform: translateX(-100%);
  transition: transform .28s ease;
  display: flex;
  flex-direction: column;
  padding: 28px 20px;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.drawer-close {
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 8px;
}
.drawer-close:hover { background: rgba(255,255,255,.08); }
.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.drawer-nav .nav-link-item { font-size: 1rem; padding: 14px 12px; }
.drawer-footer {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 16px;
  color: rgba(255,255,255,.6);
  font-size: .8rem;
  line-height: 1.8;
}
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(23,63,54,.5);
  z-index: 1045;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s, visibility .25s;
}
.drawer-overlay.show { opacity: 1; visibility: visible; }

/* ===== 主内容区 ===== */
.main-wrapper {
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.article-main {
  flex: 1;
  padding: 48px 0 72px;
}
.article-main .container { max-width: 1200px; }

/* ===== 按钮 ===== */
.btn { border-radius: var(--radius-btn); font-weight: 700; transition: all .2s ease; }
.btn-primary {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--brand-primary-dark);
  border-color: var(--brand-primary-dark);
  transform: translateY(-1px);
  color: #fff;
}
.btn-primary:active { transform: translateY(0); }
.btn-outline-primary {
  background: transparent;
  border: 1px solid var(--brand-primary);
  color: var(--brand-primary);
}
.btn-outline-primary:hover {
  background: rgba(242,92,46,.08);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}
.btn:focus-visible { outline: 2px solid var(--accent-lime); outline-offset: 2px; }
.btn-sm { padding: .48rem 1rem; border-radius: 8px; font-size: .875rem; }

/* ===== 文章页 ===== */
.breadcrumb-custom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  color: var(--ink-muted);
  margin-bottom: 22px;
}
.breadcrumb-custom a { color: var(--brand-primary); }
.breadcrumb-custom a:hover { text-decoration: underline; }
.breadcrumb-custom .sep { color: var(--line); }
.breadcrumb-custom .current {
  color: var(--ink-muted);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 40px 44px;
}
.article-category { margin-bottom: 12px; }
.badge-cat {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(242,92,46,.1);
  color: var(--brand-primary);
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
}
.article-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
  margin: 14px 0 16px;
  color: var(--ink-strong);
}
.article-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 26px;
  color: var(--ink-muted);
  font-size: .875rem;
}
.article-meta-line span { display: inline-flex; align-items: center; gap: 6px; }
.article-body {
  color: var(--ink-body);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 760px;
}
.article-body p { margin: 0 0 1.25em; }
.article-body h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 1.7em 0 .8em;
  color: var(--ink-strong);
}
.article-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 1.5em 0 .7em;
  color: var(--ink-strong);
}
.article-body ul,
.article-body ol { margin: 0 0 1.25em 1.4em; }
.article-body li { margin-bottom: .45em; }
.article-body blockquote {
  margin: 0 0 1.4em;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--brand-primary);
  background: #FBF5ED;
  border-radius: 0 12px 12px 0;
  color: var(--ink-body);
}
.article-body figure { margin: 0 0 1.5em; }
.article-body figcaption {
  font-size: .82rem;
  color: var(--ink-muted);
  text-align: center;
  margin-top: 8px;
}
.article-body img { border-radius: 12px; margin: 1.25em 0; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.5em;
  font-size: .92rem;
}
.article-body th {
  background: var(--brand-secondary);
  color: #fff;
  text-align: left;
  padding: .6rem .8rem;
}
.article-body td {
  border: 1px solid var(--line);
  padding: .6rem .8rem;
}
.article-body code {
  background: #F3EDE5;
  padding: .15rem .4rem;
  border-radius: 6px;
  font-size: .9em;
  color: var(--brand-secondary);
}
.article-body pre {
  background: var(--brand-secondary);
  color: #F5EFE7;
  padding: 1rem 1.25rem;
  border-radius: 12px;
  overflow-x: auto;
  margin: 0 0 1.4em;
}
.article-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}
.article-body a {
  color: var(--brand-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body a:hover { color: var(--brand-primary-dark); }

.article-prevnext {
  display: flex;
  gap: 16px;
  margin: 36px 0 18px;
}
.article-prevnext a {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 18px;
  background: var(--paper);
  color: var(--ink-body);
  transition: border-color .2s, box-shadow .2s;
}
.article-prevnext a:hover:not(.disabled) {
  border-color: rgba(242,92,46,.45);
  box-shadow: var(--shadow-card-hover);
}
.article-prevnext .disabled {
  opacity: .5;
  cursor: not-allowed;
  background: #F1ECE3;
}
.prev-label,
.next-label {
  display: block;
  font-size: .75rem;
  color: var(--ink-muted);
  letter-spacing: .08em;
}
.prev-title,
.next-title {
  display: block;
  font-weight: 700;
  margin-top: 4px;
  font-size: .95rem;
}
.article-back {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

/* ===== 侧栏卡片 ===== */
.article-aside {
  position: sticky;
  top: 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.aside-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 22px;
}
.aside-card-title {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 4px;
  position: relative;
}
.aside-card-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  background: var(--brand-primary);
  border-radius: 4px;
  margin-right: 8px;
  vertical-align: -2px;
}
.aside-card-sub {
  color: var(--ink-muted);
  font-size: .8rem;
  margin-bottom: 16px;
}
.related-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.related-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.related-thumb {
  width: 100px;
  height: 68px;
  object-fit: cover;
  border-radius: 10px;
  flex-shrink: 0;
}
.related-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.related-title {
  font-size: .88rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-strong);
}
.related-item:hover .related-title { color: var(--brand-primary); }
.related-date {
  font-size: .75rem;
  color: var(--ink-muted);
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-link {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  background: #F4EEE6;
  border: 1px solid var(--line);
  font-size: .8rem;
  color: var(--ink-body);
  transition: all .2s;
}
.tag-link:hover {
  background: rgba(242,92,46,.08);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

/* ===== 空状态 ===== */
.article-empty {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 64px 32px;
  text-align: center;
}
.article-empty h1 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.article-empty p {
  color: var(--ink-muted);
  margin-bottom: 20px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--brand-secondary);
  color: rgba(255,255,255,.74);
  padding: 52px 0 0;
  margin-top: 0;
}
.site-footer .container { max-width: 1200px; }
.footer-top {
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer-col { margin-bottom: 28px; }
.footer-brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand-desc {
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(255,255,255,.66);
  max-width: 340px;
  margin-bottom: 0;
}
.site-footer h5 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-footer ul li { margin-bottom: 8px; }
.site-footer ul li a {
  color: rgba(255,255,255,.7);
  font-size: .9rem;
  transition: color .2s;
}
.site-footer ul li a:hover { color: var(--accent-lime); }
.footer-contact li {
  color: rgba(255,255,255,.7);
  font-size: .9rem;
  margin-bottom: 8px;
}
.footer-bottom {
  padding: 18px 0 22px;
  text-align: center;
}
.footer-bottom p {
  margin: 0;
  font-size: .8rem;
  color: rgba(255,255,255,.55);
}
.footer-bottom a { color: rgba(255,255,255,.75); }
.footer-bottom a:hover { color: var(--accent-lime); }

/* ===== 响应式 ===== */
@media (max-width: 1199.98px) {
  .site-sidebar {
    width: 220px;
    padding: 26px 16px 22px;
  }
  .main-wrapper { margin-left: 220px; }
  .article-main { padding: 36px 0 56px; }
}

@media (max-width: 991.98px) {
  .site-sidebar { display: none; }
  .main-wrapper { margin-left: 0; }
  .mobile-header { display: flex; }
  .article-main { padding: 28px 0 48px; }
  .article-aside { position: static; margin-top: 8px; }
}

@media (max-width: 767.98px) {
  .article-title { font-size: 1.55rem; }
  .article-card { padding: 28px 22px; }
  .article-prevnext { flex-direction: column; }
  .related-thumb { width: 86px; height: 60px; }
}

@media (max-width: 575.98px) {
  .article-main .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .article-card { padding: 22px 18px; }
  .breadcrumb-custom { margin-bottom: 16px; }
  .article-title { font-size: 1.4rem; }
}

/* roulang page: category2 */
:root {
      --brand-primary: #F25C2E;
      --brand-primary-dark: #D84A20;
      --brand-secondary: #173F36;
      --brand-secondary-light: #2A5C50;
      --background: #FAF7F2;
      --paper: #FFFFFF;
      --ink-strong: #1F1D1B;
      --ink-body: #38302C;
      --ink-muted: #756A63;
      --line: #E9E0D6;
      --accent-lime: #D8F142;
      --danger: #C33C3C;
      --success: #2E7D4F;
      --radius-card: 16px;
      --radius-btn: 10px;
      --radius-badge: 999px;
      --shadow-card: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05);
      --shadow-hover: 0 12px 32px rgba(0,0,0,.09);
      --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --font-num: "Rajdhani", "PingFang SC", sans-serif;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font-main);
      background: var(--background);
      color: var(--ink-body);
      line-height: 1.75;
      font-size: 1rem;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; height: auto; }
    a { text-decoration: none; color: inherit; transition: color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease, border-color .25s ease; }
    a:hover { color: var(--brand-primary); }
    ul { list-style: none; padding-left: 0; margin-bottom: 0; }
    h1, h2, h3, h4, h5, h6 { color: var(--ink-strong); line-height: 1.3; margin-top: 0; font-weight: 700; }
    .container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 0.875rem 2rem;
      border-radius: var(--radius-btn);
      font-weight: 700;
      font-size: 1rem;
      border: 1px solid transparent;
      transition: all .3s ease;
      line-height: 1.4;
      justify-content: center;
    }
    .btn-primary {
      background: var(--brand-primary);
      border-color: var(--brand-primary);
      color: #fff;
    }
    .btn-primary:hover, .btn-primary:focus {
      background: var(--brand-primary-dark);
      border-color: var(--brand-primary-dark);
      color: #fff;
      transform: translateY(-1px);
      box-shadow: 0 8px 20px rgba(242, 92, 46, .28);
    }
    .btn-primary:active { transform: translateY(1px); box-shadow: none; }
    .btn-outline-light {
      background: transparent;
      border-color: rgba(255,255,255,.7);
      color: #fff;
    }
    .btn-outline-light:hover, .btn-outline-light:focus {
      background: rgba(255,255,255,.12);
      border-color: #fff;
      color: #fff;
    }
    .btn-outline-primary {
      background: transparent;
      border-color: var(--brand-primary);
      color: var(--brand-primary);
    }
    .btn-outline-primary:hover, .btn-outline-primary:focus {
      background: rgba(242,92,46,.08);
      border-color: var(--brand-primary-dark);
      color: var(--brand-primary-dark);
    }
    .btn:focus-visible, .form-control:focus-visible {
      outline: 2px solid var(--accent-lime);
      outline-offset: 2px;
      box-shadow: none;
    }

    /* ===== 左侧竖向导航 ===== */
    .sidebar {
      position: fixed;
      left: 0;
      top: 0;
      width: 260px;
      height: 100vh;
      background: var(--brand-secondary);
      z-index: 1040;
      display: flex;
      flex-direction: column;
      padding: 32px 20px 24px;
      overflow-y: auto;
    }
    .sidebar-brand {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 4px 8px 4px 10px;
      margin-bottom: 36px;
    }
    .sidebar-logo {
      width: 46px;
      height: 46px;
      border-radius: 14px;
      background: var(--accent-lime);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 900;
      color: var(--brand-secondary);
      flex-shrink: 0;
    }
    .brand-line1 {
      font-size: 19px;
      font-weight: 700;
      color: #fff;
      line-height: 1.2;
      letter-spacing: .02em;
    }
    .brand-line2 {
      font-size: 11px;
      color: rgba(255,255,255,.55);
      letter-spacing: 3px;
      text-transform: uppercase;
      line-height: 1.4;
    }
    .sidebar-nav {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-top: 8px;
    }
    .nav-link-item {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 14px 16px;
      color: rgba(255,255,255,.72);
      font-size: 15px;
      border-radius: 10px;
      position: relative;
      font-weight: 500;
    }
    .nav-link-item i {
      width: 20px;
      text-align: center;
      font-size: 16px;
    }
    .nav-link-item:hover {
      background: rgba(255,255,255,.06);
      color: #fff;
    }
    .nav-link-item:focus-visible {
      outline: 2px solid var(--accent-lime);
      outline-offset: -2px;
    }
    .nav-link-item.active {
      background: rgba(255,255,255,.08);
      color: var(--brand-primary);
      font-weight: 700;
    }
    .nav-link-item.active::before {
      content: '';
      position: absolute;
      left: -20px;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 26px;
      background: var(--brand-primary);
      border-radius: 0 6px 6px 0;
    }
    .sidebar-bottom {
      margin-top: auto;
      padding: 20px 12px 0;
      border-top: 1px solid rgba(255,255,255,.1);
    }
    .sb-info {
      color: rgba(255,255,255,.55);
      font-size: 13px;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .sb-info i { font-size: 14px; width: 18px; text-align: center; color: rgba(255,255,255,.4); }
    .sb-copy {
      color: rgba(255,255,255,.35);
      font-size: 12px;
      margin-top: 14px;
      letter-spacing: 1px;
    }

    /* ===== 移动端顶部导航 ===== */
    .mobile-header {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 64px;
      background: var(--brand-secondary);
      z-index: 1050;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
    }
    .mobile-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 700;
      font-size: 18px;
    }
    .mobile-brand:hover { color: #fff; }
    .mobile-logo {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--accent-lime);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 17px;
      font-weight: 900;
      color: var(--brand-secondary);
    }
    .mobile-toggle {
      background: transparent;
      border: 0;
      color: #fff;
      font-size: 22px;
      width: 44px;
      height: 44px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .mobile-toggle:focus-visible { outline: 2px solid var(--accent-lime); }
    .mobile-nav {
      display: none;
      position: fixed;
      top: 64px;
      left: 0;
      right: 0;
      background: var(--brand-secondary);
      z-index: 1040;
      padding: 8px 20px 20px;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .mobile-nav.show { display: block; }
    .mobile-nav-link {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 16px 12px;
      color: rgba(255,255,255,.75);
      font-size: 16px;
      font-weight: 500;
      border-bottom: 1px solid rgba(255,255,255,.06);
    }
    .mobile-nav-link:last-child { border-bottom: 0; }
    .mobile-nav-link i { width: 20px; text-align: center; }
    .mobile-nav-link:hover { color: #fff; background: rgba(255,255,255,.05); }
    .mobile-nav-link.active {
      color: var(--brand-primary);
      font-weight: 700;
      border-left: 3px solid var(--brand-primary);
      border-radius: 0;
    }

    /* ===== 主内容区 ===== */
    .main-wrap {
      margin-left: 260px;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    .page-main { flex: 1; }

    /* ===== Hero ===== */
    .guide-hero {
      position: relative;
      padding: 120px 0 110px;
      background-color: var(--brand-secondary);
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      color: #fff;
    }
    .guide-hero .hero-overlay {
      position: absolute;
      inset: 0;
      background: rgba(23, 63, 54, .78);
    }
    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 720px;
      padding-right: 20px;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(216, 241, 66, .14);
      border: 1px solid rgba(216, 241, 66, .3);
      color: var(--accent-lime);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 3px;
      padding: 6px 16px;
      border-radius: var(--radius-badge);
      text-transform: uppercase;
      margin-bottom: 22px;
    }
    .hero-title {
      font-size: clamp(2rem, 4.5vw, 3.4rem);
      font-weight: 900;
      color: #fff;
      line-height: 1.15;
      letter-spacing: -0.01em;
      margin-bottom: 20px;
    }
    .hero-sub {
      font-size: 1.1rem;
      color: rgba(255,255,255,.82);
      line-height: 1.8;
      margin-bottom: 36px;
      max-width: 560px;
    }
    .hero-btns { display: flex; flex-wrap: wrap; gap: 16px; }

    /* ===== 目录锚点 ===== */
    .guide-index {
      padding: 72px 0 48px;
      background: var(--background);
    }
    .index-card {
      display: block;
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      padding: 32px 28px 28px;
      box-shadow: var(--shadow-card);
      height: 100%;
      position: relative;
      transition: all .3s ease;
      overflow: hidden;
    }
    .index-card::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: var(--brand-primary);
      opacity: 0;
      transition: opacity .3s ease;
    }
    .index-card:hover {
      box-shadow: var(--shadow-hover);
      border-color: rgba(242, 92, 46, .3);
      transform: translateY(-4px);
    }
    .index-card:hover::after { opacity: 1; }
    .index-num {
      font-family: var(--font-num);
      font-size: 40px;
      font-weight: 700;
      color: var(--brand-primary);
      line-height: 1;
      display: block;
      margin-bottom: 16px;
    }
    .index-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
    .index-card p { color: var(--ink-muted); font-size: 14px; margin-bottom: 16px; }
    .index-arrow {
      color: var(--brand-primary);
      font-size: 14px;
      display: inline-flex;
      gap: 6px;
      align-items: center;
    }
    .index-arrow i { transition: transform .3s ease; }
    .index-card:hover .index-arrow i { transform: translateX(4px); }

    /* ===== 通用板块 ===== */
    .guide-section {
      padding: 80px 0;
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-tag {
      display: inline-block;
      font-family: var(--font-num);
      font-size: 14px;
      font-weight: 600;
      letter-spacing: 3px;
      color: var(--brand-primary);
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .section-title {
      font-size: clamp(1.75rem, 2.8vw, 2.2rem);
      font-weight: 800;
      color: var(--ink-strong);
      margin-bottom: 12px;
    }
    .section-desc {
      color: var(--ink-muted);
      font-size: 1rem;
      max-width: 560px;
      margin-bottom: 0;
    }

    /* ===== 新手入门卡片 ===== */
    .guide-start {
      background: var(--paper);
    }
    .guide-card {
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      height: 100%;
      transition: all .3s ease;
    }
    .guide-card:hover {
      box-shadow: var(--shadow-hover);
      border-color: rgba(242, 92, 46, .25);
    }
    .guide-card-img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }
    .guide-card-body {
      padding: 28px;
    }
    .guide-card-title {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .guide-card-title i {
      color: var(--brand-primary);
      margin-right: 6px;
    }
    .guide-card-text {
      color: var(--ink-muted);
      font-size: 14px;
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .guide-card-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      font-size: 14px;
      color: var(--ink-body);
      margin-bottom: 8px;
    }
    .guide-card-list li i {
      color: var(--success);
      font-size: 12px;
      margin-top: 5px;
    }
    .guide-card-lg .guide-card-img {
      height: 220px;
    }

    /* ===== 进阶技巧 ===== */
    .guide-tips {
      background: var(--brand-secondary);
      color: #fff;
    }
    .guide-tips .section-title { color: #fff; }
    .guide-tips .section-desc { color: rgba(255,255,255,.65); }
    .guide-tips .section-tag { color: var(--accent-lime); }
    .tips-item {
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(255,255,255,.08);
      border-radius: var(--radius-card);
      padding: 32px;
      display: flex;
      gap: 28px;
      align-items: flex-start;
      margin-bottom: 16px;
      transition: background .3s ease;
    }
    .tips-item:hover {
      background: rgba(255,255,255,.08);
    }
    .tips-num {
      font-family: var(--font-num);
      font-size: 40px;
      font-weight: 700;
      color: var(--brand-primary);
      line-height: 1;
      flex-shrink: 0;
      min-width: 72px;
    }
    .tips-content h3 {
      color: #fff;
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .tips-content p {
      color: rgba(255,255,255,.7);
      font-size: 15px;
      margin-bottom: 0;
      line-height: 1.75;
    }

    /* ===== 赛事参与 ===== */
    .guide-tournament {
      background: var(--background);
    }
    .tournament-step {
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 32px 28px;
      height: 100%;
      position: relative;
      transition: all .3s ease;
    }
    .tournament-step:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }
    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background: var(--brand-primary);
      color: #fff;
      font-family: var(--font-num);
      font-size: 18px;
      font-weight: 700;
      border-radius: 12px;
      margin-bottom: 18px;
    }
    .step-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .step-text {
      color: var(--ink-muted);
      font-size: 14px;
      line-height: 1.7;
      margin-bottom: 0;
    }
    .tournament-cta {
      margin-top: 40px;
      text-align: center;
    }

    /* ===== 安全规范 ===== */
    .guide-safety {
      background: var(--paper);
    }
    .safety-card {
      background: var(--background);
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      padding: 36px 32px;
      height: 100%;
      transition: all .3s ease;
    }
    .safety-card:hover {
      border-color: rgba(242, 92, 46, .25);
      box-shadow: var(--shadow-card);
    }
    .safety-icon {
      width: 56px;
      height: 56px;
      border-radius: 16px;
      background: rgba(242, 92, 46, .1);
      color: var(--brand-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
    }
    .safety-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 14px;
    }
    .safety-list li {
      font-size: 14px;
      color: var(--ink-body);
      padding: 8px 0;
      border-bottom: 1px solid rgba(233, 224, 214, .6);
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }
    .safety-list li:last-child { border-bottom: 0; }
    .safety-list li i {
      color: var(--brand-primary);
      font-size: 12px;
      margin-top: 5px;
    }

    /* ===== FAQ 手风琴 ===== */
    .guide-faq {
      background: var(--background);
    }
    .accordion-item {
      background: var(--paper);
      border: 1px solid var(--line) !important;
      border-radius: 12px !important;
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: 0 1px 2px rgba(0,0,0,.03);
    }
    .accordion-button {
      background: var(--paper);
      color: var(--ink-strong);
      font-weight: 600;
      font-size: 16px;
      padding: 20px 24px;
      box-shadow: none;
      border: 0;
      transition: color .3s ease;
    }
    .accordion-button:not(.collapsed) {
      background: var(--paper);
      color: var(--brand-primary);
      box-shadow: none;
    }
    .accordion-button:hover {
      background: rgba(242, 92, 46, .04);
    }
    .accordion-button:focus {
      box-shadow: none;
      outline: 2px solid var(--accent-lime);
      outline-offset: -2px;
      border-radius: 12px;
    }
    .accordion-button::after {
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23F25C2E' viewBox='0 0 16 16'%3E%3Cpath d='M8 2a1 1 0 0 0-1 1v4H3a1 1 0 0 0 0 2h4v4a1 1 0 0 0 2 0V9h4a1 1 0 0 0 0-2H9V3a1 1 0 0 0-1-1z'/%3E%3C/svg%3E");
      transition: transform .3s ease;
      width: 16px;
      height: 16px;
      background-size: 16px;
    }
    .accordion-button:not(.collapsed)::after {
      transform: rotate(45deg);
    }
    .accordion-body {
      padding: 0 24px 24px;
      color: var(--ink-body);
      font-size: 15px;
      line-height: 1.75;
      border-top: 1px solid var(--line);
      padding-top: 18px;
      background: var(--paper);
    }

    /* ===== CTA ===== */
    .guide-cta {
      background: var(--brand-secondary);
      color: #fff;
      padding: 88px 0;
      position: relative;
      overflow: hidden;
    }
    .guide-cta::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--brand-primary);
    }
    .guide-cta h2 {
      color: #fff;
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 800;
      margin-bottom: 16px;
    }
    .guide-cta p {
      color: rgba(255,255,255,.7);
      font-size: 1rem;
      max-width: 520px;
      margin: 0 auto 36px;
    }
    .cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
    .guide-cta .btn-outline-light { border-color: rgba(255,255,255,.6); }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--brand-secondary);
      color: rgba(255,255,255,.65);
      padding: 64px 0 0;
      border-top: 1px solid rgba(255,255,255,.06);
    }
    .footer-top {
      padding-bottom: 40px;
    }
    .footer-col { margin-bottom: 32px; }
    .footer-brand-name {
      font-size: 24px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
    }
    .footer-brand-desc {
      color: rgba(255,255,255,.6);
      font-size: 14px;
      line-height: 1.8;
      margin-bottom: 0;
      max-width: 360px;
    }
    .site-footer h5 {
      color: rgba(255,255,255,.9);
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .site-footer ul li {
      margin-bottom: 10px;
    }
    .site-footer ul a {
      color: rgba(255,255,255,.6);
      font-size: 14px;
      display: inline-flex;
      align-items: center;
    }
    .site-footer ul a:hover {
      color: var(--brand-primary);
    }
    .site-footer ul a i {
      font-size: 12px;
      color: var(--brand-primary);
    }
    .footer-contact li {
      color: rgba(255,255,255,.6);
      font-size: 14px;
      display: flex;
      gap: 10px;
      align-items: center;
    }
    .footer-contact i {
      color: var(--brand-primary);
      width: 18px;
      text-align: center;
      font-size: 14px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.12);
      padding: 20px 0 24px;
      text-align: center;
      color: rgba(255,255,255,.45);
      font-size: 13px;
    }
    .footer-bottom p { margin-bottom: 0; }
    .footer-bottom a {
      color: rgba(255,255,255,.55);
    }
    .footer-bottom a:hover { color: var(--accent-lime); }

    /* ===== 响应式 ===== */
    @media (max-width: 1199.98px) {
      .sidebar { width: 220px; padding: 28px 16px 20px; }
      .main-wrap { margin-left: 220px; }
      .nav-link-item.active::before { left: -16px; }
      .guide-card-img { height: 170px; }
    }

    @media (max-width: 991.98px) {
      .sidebar { display: none; }
      .main-wrap { margin-left: 0; padding-top: 64px; }
      .mobile-header { display: flex; }
      .guide-hero { padding: 84px 0 72px; }
      .hero-title { font-size: 2.2rem; }
      .guide-section { padding: 56px 0; }
      .section-header { margin-bottom: 32px; }
      .tips-item { padding: 24px; gap: 20px; }
      .tips-num { font-size: 30px; min-width: 56px; }
    }

    @media (max-width: 767.98px) {
      .container { padding-left: 20px; padding-right: 20px; }
      .guide-hero { padding: 64px 0 56px; }
      .hero-sub { font-size: 1rem; }
      .hero-btns .btn { width: 100%; }
      .guide-index { padding: 48px 0 32px; }
      .index-card { padding: 24px; }
      .index-num { font-size: 32px; }
      .guide-card-body { padding: 20px; }
      .guide-card-img { height: 180px; }
      .tips-item { flex-direction: column; gap: 12px; }
      .tips-num { font-size: 26px; }
      .tips-content h3 { font-size: 17px; }
      .tournament-step { padding: 24px; }
      .safety-card { padding: 26px 22px; }
      .accordion-button { font-size: 15px; padding: 18px 18px; }
      .accordion-body { padding: 0 18px 18px; font-size: 14px; }
      .footer-top { padding-bottom: 16px; }
      .footer-bottom { font-size: 12px; }
    }

    @media (max-width: 520px) {
      .main-wrap { padding-top: 60px; }
      .mobile-header { height: 60px; padding: 0 16px; }
      .guide-hero { padding: 52px 0 48px; }
      .hero-title { font-size: 1.9rem; }
      .hero-sub { font-size: .95rem; }
      .hero-tag { font-size: 12px; letter-spacing: 2px; padding: 5px 12px; }
      .guide-section { padding: 44px 0; }
      .section-title { font-size: 1.5rem; }
      .tips-item { padding: 20px; }
      .btn { padding: 0.75rem 1.5rem; font-size: .95rem; }
      .footer-brand-name { font-size: 20px; }
    }