/* roulang page: index */
:root {
  --primary: #0FC6A9;
  --primary-light: #18E0C0;
  --accent: #FF6B35;
  --bg-dark: #0C0D10;
  --bg-dark-2: #12141A;
  --card-dark: #181B20;
  --bg-light: #F5F6F8;
  --card-white: #FFFFFF;
  --text-main: #1A1D21;
  --text-sub: #6B7280;
  --text-dark: rgba(255, 255, 255, 0.92);
  --text-dark-sub: rgba(255, 255, 255, 0.62);
  --border-dark: rgba(255, 255, 255, 0.08);
  --border-light: #E7EAEE;
  --grad-brand: 135deg, #0FC6A9 0%, #18E0C0 45%, #FF6B35 100%;
  --radius-large: 20px;
  --radius-small: 14px;
  --radius-tag: 8px;
  --radius-pill: 999px;
  --shadow-dark: 0 8px 30px rgba(0,0,0,.35);
  --shadow-light: 0 6px 24px rgba(12,18,20,.08);
  --shadow-hover: 0 10px 34px rgba(12,18,20,.16);
  --font-num: "DIN Alternate", "Bahnschrift", "Segoe UI", tabular-nums, sans-serif;
  --transition: all .3s cubic-bezier(.4, 0, .2, 1);
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
input {
  font-family: inherit;
  outline: none;
}
ul, ol {
  list-style: none;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
::selection {
  background: rgba(15, 198, 169, 0.25);
}

/* ========== 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #FBFCFD;
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  height: 64px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(var(--grad-brand));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(15, 198, 169, 0.28);
}
.logo-text {
  font-weight: 700;
  font-size: 17px;
  color: var(--text-main);
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.nav-main {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-main a {
  color: var(--text-main);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  position: relative;
  transition: var(--transition);
}
.nav-main a:hover {
  color: var(--primary);
  background: rgba(15, 198, 169, 0.08);
}
.nav-main a.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-main a.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-search {
  display: flex;
  align-items: center;
  background: #EEF0F2;
  border-radius: var(--radius-pill);
  padding: 0 6px 0 16px;
  height: 42px;
  width: 220px;
  transition: var(--transition);
}
.header-search:focus-within {
  background: #fff;
  box-shadow: 0 0 0 2px var(--primary);
}
.header-search input {
  border: none;
  background: transparent;
  font-size: 13px;
  color: var(--text-main);
  width: 100%;
  height: 100%;
}
.header-search i {
  color: var(--text-sub);
  font-size: 13px;
  padding: 0 10px;
}
.btn-cta {
  background: linear-gradient(135deg, var(--accent), #FF8A5C);
  color: #fff;
  padding: 10px 26px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
  transition: var(--transition);
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 107, 53, 0.4);
}
.btn-cta:focus {
  outline: 2px solid rgba(255, 107, 53, 0.5);
  outline-offset: 2px;
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--text-dark-sub);
  color: var(--text-dark);
  padding: 10px 26px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  box-shadow: 0 4px 16px rgba(15, 198, 169, 0.15);
}
.btn-outline:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ========== Hero 直播 ========== */
.hero {
  background: var(--bg-dark);
  color: var(--text-dark);
  padding: 72px 0 64px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.16;
  z-index: 1;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--bg-dark) 20%, rgba(12,13,16,0.75) 65%, rgba(12,13,16,0.4));
  z-index: 1;
}
.hero-inner {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-visual {
  position: relative;
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.55);
}
.hero-visual img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.hero-live-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(0, 0, 0, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(8px);
}
.hero-live-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #FF4444;
  animation: pulse-dot 1.6s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.35); }
}
.hero-live-badge span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #fff;
}
.hero-timer-box {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: var(--primary);
  color: #0C0D10;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-num);
}
.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.hero-tag-vertical {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--primary-light);
  writing-mode: vertical-lr;
  height: 88px;
  border-left: 2px solid var(--primary);
  padding-left: 10px;
}
.hero-tag-vertical i {
  font-size: 12px;
}
.hero h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 1px;
  margin: 6px 0 0;
}
.hero-subtitle {
  font-size: 16px;
  color: var(--text-dark-sub);
  line-height: 1.7;
  max-width: 460px;
}
.countdown-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 0 4px;
}
.countdown-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 72px;
}
.countdown-num {
  font-family: var(--font-num);
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-dark);
  letter-spacing: 2px;
  text-shadow: 0 0 40px rgba(15, 198, 169, 0.3);
}
.countdown-unit {
  font-size: 12px;
  color: var(--text-dark-sub);
  margin-top: 6px;
  letter-spacing: 2px;
}
.countdown-colon {
  font-family: var(--font-num);
  font-size: 40px;
  font-weight: 300;
  color: var(--primary);
  margin-top: -24px;
  animation: soft-glow 2s ease-in-out infinite;
}
@keyframes soft-glow {
  0%, 100% { opacity: 0.9; }
  50% { opacity: 0.5; }
}
.highlight-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}
.highlight-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-dark-sub);
  line-height: 1.6;
}
.highlight-list li i {
  color: var(--primary);
  font-size: 11px;
  margin-top: 6px;
}
.hero-btns {
  display: flex;
  gap: 14px;
  margin-top: 8px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #FF8A5C);
  color: #fff;
  padding: 13px 32px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 107, 53, 0.45);
}
.btn-primary:focus {
  outline: 2px solid rgba(255, 107, 53, 0.5);
  outline-offset: 3px;
}

/* ========== 数据徽章 ========== */
.stats-band {
  background: var(--bg-light);
  padding: 48px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.stat-card {
  background: var(--card-white);
  border-radius: var(--radius-large);
  padding: 28px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-light);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.stat-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(var(--grad-brand));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  flex-shrink: 0;
}
.stat-info {
  display: flex;
  flex-direction: column;
}
.stat-num {
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
  letter-spacing: 0.5px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 3px;
}

/* ========== 信息板块通用 ========== */
.section {
  padding: 68px 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 34px;
}
.section-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
}
.section-title span {
  color: var(--primary);
  position: relative;
}
.section-sub {
  font-size: 14px;
  color: var(--text-sub);
  margin-top: 6px;
}
.section-more {
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: 1px solid rgba(15, 198, 169, 0.35);
  border-radius: var(--radius-pill);
  transition: var(--transition);
}
.section-more:hover {
  background: rgba(15, 198, 169, 0.08);
  border-color: var(--primary);
}
.section-dark {
  background: var(--bg-dark);
  color: var(--text-dark);
}
.section-dark .section-title {
  color: var(--text-dark);
}
.section-dark .section-sub {
  color: var(--text-dark-sub);
}

/* ========== 资讯列表 ========== */
.news-section {
  background: var(--bg-light);
  padding: 68px 0;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.news-card {
  display: flex;
  gap: 18px;
  background: var(--card-white);
  border-radius: var(--radius-large);
  padding: 16px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}
.news-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.news-thumb {
  width: 168px;
  height: 126px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.news-card:hover .news-thumb img {
  transform: scale(1.05);
}
.news-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}
.news-cat {
  display: inline-block;
  background: rgba(15, 198, 169, 0.12);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-tag);
  margin-bottom: 7px;
  width: fit-content;
}
.news-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.45;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 5px;
  transition: var(--transition);
}
.news-card:hover h3 {
  color: var(--primary);
}
.news-desc {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: #9CA3AF;
  margin-top: 8px;
}
.news-meta i {
  font-size: 11px;
}
.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 56px 24px;
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-large);
  text-align: center;
  color: var(--text-sub);
  font-size: 15px;
  background: var(--card-white);
}
.empty-state i {
  font-size: 34px;
  color: #CBD5DB;
  margin-bottom: 14px;
}

/* ========== 回放 / 往期 ========== */
.replay-section {
  background: var(--bg-light);
  padding: 0 0 68px;
}
.replay-scroll {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.replay-card {
  background: var(--card-white);
  border-radius: var(--radius-large);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  position: relative;
}
.replay-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.replay-card .cover {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.replay-card .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.replay-card:hover .cover img {
  transform: scale(1.06);
}
.replay-duration {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0,0,0,0.72);
  color: #fff;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-tag);
  font-family: var(--font-num);
  backdrop-filter: blur(4px);
}
.replay-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(12, 13, 16, 0.18);
  opacity: 0;
  transition: var(--transition);
}
.replay-card:hover .replay-play {
  opacity: 1;
}
.replay-play i {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.92);
  color: var(--accent);
  border-radius: 50%;
  font-size: 18px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  transition: var(--transition);
}
.replay-card:hover .replay-play i {
  background: var(--accent);
  color: #fff;
}
.replay-info {
  padding: 14px 16px 16px;
}
.replay-info h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}
.replay-info .replay-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-sub);
}
.replay-views i {
  font-size: 11px;
  margin-right: 3px;
}

/* ========== 订阅表单 ========== */
.subscribe-section {
  background: var(--bg-light);
  padding: 0 0 68px;
}
.subscribe-card {
  background: var(--card-white);
  border-radius: var(--radius-large);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  padding: 38px 40px;
}
.subscribe-left {
  display: flex;
  align-items: center;
  gap: 18px;
}
.subscribe-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(var(--grad-brand));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  flex-shrink: 0;
}
.subscribe-left h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 3px;
}
.subscribe-left p {
  font-size: 13px;
  color: var(--text-sub);
}
.subscribe-form {
  display: flex;
  gap: 10px;
  align-items: center;
  flex: 0 1 440px;
}
.subscribe-form input {
  flex: 1;
  height: 50px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border-light);
  background: #F5F6F8;
  padding: 0 22px;
  font-size: 14px;
  color: var(--text-main);
  transition: var(--transition);
}
.subscribe-form input:focus {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 198, 169, 0.15);
  outline: none;
}
.subscribe-form .btn-subscribe {
  background: linear-gradient(135deg, var(--accent), #FF8A5C);
  color: #fff;
  height: 50px;
  padding: 0 30px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
  transition: var(--transition);
}
.subscribe-form .btn-subscribe:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.42);
}
.subscribe-form .btn-subscribe:focus {
  outline: 2px solid rgba(255, 107, 53, 0.5);
  outline-offset: 2px;
}
.subscribe-tip {
  font-size: 12px;
  color: #9CA3AF;
  margin-top: 12px;
  padding-left: 6px;
}
.subscribe-success {
  display: none;
  background: rgba(15, 198, 169, 0.1);
  border: 1px solid rgba(15, 198, 169, 0.3);
  color: var(--primary);
  padding: 12px 20px;
  border-radius: var(--radius-small);
  font-size: 14px;
  margin-top: 14px;
  text-align: center;
}
.subscribe-success.show {
  display: block;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg-light);
  padding: 0 0 68px;
}
.faq-wrap {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--card-white);
  border-radius: var(--radius-small);
  border: 1px solid var(--border-light);
  box-shadow: 0 2px 8px rgba(0,0,0,.03);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(15, 198, 169, 0.3);
}
.faq-item.open {
  border-color: var(--primary);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 17px 22px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  transition: var(--transition);
  background: transparent;
  width: 100%;
  text-align: left;
}
.faq-question:hover {
  color: var(--primary);
}
.faq-toggle {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(15, 198, 169, 0.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-toggle {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-answer-inner {
  padding: 0 22px 18px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
}

/* ========== CTA ========== */
.cta-section {
  background: var(--bg-dark);
  padding: 76px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.14;
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 620px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 14px;
  line-height: 1.35;
}
.cta-inner h2 span {
  color: var(--primary-light);
}
.cta-inner p {
  font-size: 15px;
  color: var(--text-dark-sub);
  line-height: 1.7;
  margin-bottom: 26px;
}
.cta-btn {
  background: linear-gradient(90deg, var(--accent), #FF8A5C);
  color: #fff;
  padding: 15px 46px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 600;
  display: inline-block;
  box-shadow: 0 8px 28px rgba(255, 107, 53, 0.4);
  transition: var(--transition);
}
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(255, 107, 53, 0.52);
}
.cta-btn:focus {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-dark);
  color: var(--text-dark-sub);
  padding: 56px 0 0;
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 40px;
}
.footer-brand .logo-text {
  color: var(--text-dark);
  font-size: 18px;
}
.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dark-sub);
  margin-top: 14px;
  max-width: 320px;
}
.footer-qr {
  width: 110px;
  height: 110px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-small);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--text-dark-sub);
  margin-top: 18px;
  position: relative;
  overflow: hidden;
}
.footer-qr i {
  font-size: 34px;
  color: rgba(255,255,255,0.25);
  margin-bottom: 6px;
}
.footer-qr span {
  position: absolute;
  bottom: 8px;
  font-size: 10px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 18px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  font-size: 13px;
  color: var(--text-dark-sub);
  transition: var(--transition);
}
.footer-col ul a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dark-sub);
  margin-bottom: 12px;
}
.footer-contact i {
  color: var(--primary);
  font-size: 12px;
}
.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: rgba(255,255,255,0.38);
}
.footer-bottom span {
  color: rgba(255,255,255,0.5);
}

/* ========== 响应式 ========== */
@media (max-width: 1023px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .hero {
    padding: 48px 0 48px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .replay-scroll {
    grid-template-columns: repeat(2, 1fr);
  }
  .subscribe-card {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    gap: 22px;
    padding: 30px 26px;
  }
  .subscribe-left {
    flex-direction: column;
  }
  .subscribe-form {
    flex-direction: column;
    width: 100%;
  }
  .subscribe-form input {
    width: 100%;
  }
  .subscribe-form .btn-subscribe {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .nav-main {
    display: none;
  }
  .header-search {
    width: 160px;
  }
  .footer-qr {
    display: none;
  }
}
@media (max-width: 639px) {
  .header-inner {
    gap: 10px;
  }
  .logo-text {
    font-size: 14px;
  }
  .logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    font-size: 15px;
  }
  .header-search {
    display: none;
  }
  .btn-cta {
    padding: 8px 18px;
    font-size: 13px;
  }
  .hero {
    padding: 32px 0 40px;
  }
  .hero h1 {
    font-size: 28px;
  }
  .hero-subtitle {
    font-size: 14px;
  }
  .countdown-num {
    font-size: 40px;
  }
  .countdown-colon {
    font-size: 30px;
  }
  .countdown-group {
    min-width: 56px;
  }
  .hero-btns {
    flex-direction: column;
  }
  .btn-primary, .btn-outline {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .section {
    padding: 48px 0;
  }
  .news-section {
    padding: 48px 0;
  }
  .section-title {
    font-size: 22px;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .replay-scroll {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .news-card {
    flex-direction: column;
  }
  .news-thumb {
    width: 100%;
    height: 180px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .cta-inner h2 {
    font-size: 24px;
  }
  .cta-btn {
    width: 100%;
    padding: 14px 24px;
  }
  .subscribe-card {
    padding: 26px 18px;
  }
  .faq-question {
    font-size: 14px;
    padding: 14px 16px;
  }
}
@media (min-width: 1440px) {
  .container {
    max-width: 1320px;
  }
}

/* roulang page: category1 */
:root{
  --primary:#0FC6A9;
  --accent:#FF6B35;
  --bg-dark:#0C0D10;
  --bg-dark-2:#12141A;
  --bg-dark-card:#181B20;
  --bg-light:#F5F6F8;
  --card-light:#FFFFFF;
  --text-main:#1A1D21;
  --text-sub:#6B7280;
  --border-dark:rgba(255,255,255,.08);
  --border-light:#E7EAEE;
  --grad-brand:135deg,#0FC6A9 0%,#18E0C0 45%,#FF6B35 100%;
  --r-lg:20px;
  --r-sm:14px;
  --r-tag:8px;
  --shadow-lg:0 8px 30px rgba(0,0,0,.35);
  --shadow-light:0 6px 24px rgba(12,18,20,.08);
  --shadow-hover:0 14px 34px rgba(12,18,20,.16);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg-light);color:var(--text-main);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:all .25s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
ul,ol{list-style:none}
/* ===== Header / Nav ===== */
.site-header{position:sticky;top:0;z-index:100;background:#FBFCFD;border-bottom:1px solid var(--border-light);box-shadow:0 2px 12px rgba(0,0,0,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 4px 14px rgba(15,198,169,.35)}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.5px;color:var(--text-main);white-space:nowrap}
.logo-text:hover{color:var(--primary)}
.nav-main{display:flex;align-items:center;gap:8px}
.nav-main a{position:relative;padding:8px 16px;font-weight:500;font-size:15px;color:var(--text-sub);border-radius:8px}
.nav-main a:hover{color:var(--primary);background:rgba(15,198,169,.06)}
.nav-main a.active{color:var(--primary);font-weight:700}
.nav-main a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:var(--primary);border-radius:2px}
.header-right{display:flex;align-items:center;gap:14px}
.header-search{position:relative;display:flex;align-items:center}
.header-search input{width:220px;height:40px;border-radius:999px;background:var(--bg-light);border:1px solid var(--border-light);padding:0 40px 0 18px;font-size:14px;transition:all .25s}
.header-search input:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 2px rgba(15,198,169,.18)}
.header-search i{position:absolute;right:15px;color:var(--text-sub);font-size:14px;pointer-events:none}
.btn-cta{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 24px;border-radius:999px;background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;box-shadow:0 4px 16px rgba(255,107,53,.3);transition:all .25s}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(255,107,53,.4);color:#fff}
.btn-cta:focus{outline:2px solid var(--accent);outline-offset:2px}
/* ===== Page Hero ===== */
.page-hero{position:relative;background:linear-gradient(135deg,#0B0D10 0%,#121821 60%,#1A2A31 100%);overflow:hidden;padding:76px 0 68px;color:#fff}
.page-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') no-repeat center/cover;opacity:.28}
.page-hero::after{content:"";position:absolute;top:-80px;right:-60px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(15,198,169,.35),transparent 65%);pointer-events:none}
.page-hero .container{position:relative;z-index:2}
.page-hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(15,198,169,.12);border:1px solid rgba(15,198,169,.35);color:var(--primary);font-size:13px;font-weight:600;padding:6px 16px;border-radius:999px;margin-bottom:20px}
.page-hero-badge i{font-size:12px}
.page-hero h1{font-size:40px;line-height:1.25;font-weight:900;letter-spacing:1px;margin-bottom:14px}
.page-hero h1 small{display:block;font-size:20px;font-weight:600;color:var(--primary);letter-spacing:.5px;margin-top:6px}
.page-hero p{font-size:16px;line-height:1.8;color:rgba(255,255,255,.72);max-width:640px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 32px;border-radius:999px;background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;box-shadow:0 6px 20px rgba(255,107,53,.35);transition:all .25s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,107,53,.45);color:#fff}
.btn-primary:focus,.btn-secondary:focus{outline:2px solid var(--accent);outline-offset:3px}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 32px;border-radius:999px;border:1px solid rgba(255,255,255,.5);color:#fff;font-size:15px;font-weight:600;transition:all .25s}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary);background:rgba(15,198,169,.08)}
/* Breadcrumb */
.breadcrumb-wrap{background:var(--bg-light);padding:16px 0;border-bottom:1px solid var(--border-light)}
.breadcrumb{font-size:13px;color:var(--text-sub);display:flex;flex-wrap:wrap;gap:6px}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb i{font-size:12px;color:#C0C8CF;margin:0 2px}
/* ===== Main Layout ===== */
.page-main{padding:56px 0 72px}
.page-grid{display:grid;grid-template-columns:2fr 1fr;gap:36px;align-items:start}
.card-elevated{background:var(--card-light);border-radius:var(--r-lg);box-shadow:var(--shadow-light);overflow:hidden;border:1px solid rgba(231,234,238,.6)}
.card-padding{padding:40px}
.section-title{font-size:26px;font-weight:800;color:var(--text-main);line-height:1.4;margin-bottom:10px}
.section-title span{color:var(--primary)}
.section-sub{font-size:15px;color:var(--text-sub);margin-bottom:30px;line-height:1.7}
.divider{width:56px;height:4px;border-radius:4px;background:var(--grad-brand);margin-bottom:28px}
/* cover figure */
.cover-figure{margin-bottom:32px}
.cover-figure img{width:100%;height:300px;object-fit:cover;border-radius:var(--r-sm)}
.cover-figure figcaption{font-size:13px;color:var(--text-sub);margin-top:10px;display:flex;align-items:center;gap:6px}
.cover-figure figcaption i{color:var(--primary)}
/* overview list */
.overview-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:36px}
.overview-item{background:var(--bg-light);border-radius:var(--r-sm);padding:22px 20px;border:1px solid var(--border-light);transition:all .25s}
.overview-item:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.overview-item .ov-icon{width:44px;height:44px;border-radius:12px;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:14px}
.overview-item h3{font-size:16px;font-weight:700;margin-bottom:6px;color:var(--text-main)}
.overview-item p{font-size:13px;color:var(--text-sub);line-height:1.6}
/* steps timeline */
.steps-wrap{margin-bottom:36px;padding-left:8px}
.step-item{position:relative;padding:0 0 28px 52px}
.step-item::before{content:"";position:absolute;left:20px;top:44px;bottom:0;width:2px;background:linear-gradient(180deg,var(--primary),rgba(15,198,169,.1))}
.step-item:last-child::before{display:none}
.step-num{position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;background:var(--grad-brand);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px;box-shadow:0 6px 16px rgba(15,198,169,.35)}
.step-item h4{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--text-main)}
.step-item p{font-size:14px;color:var(--text-sub);line-height:1.7;max-width:520px}
/* tips cards */
.tips-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:8px}
.tip-card{background:var(--bg-light);border-radius:var(--r-sm);padding:22px;border-left:4px solid var(--primary);border:1px solid var(--border-light);transition:all .25s}
.tip-card:hover{box-shadow:var(--shadow-hover)}
.tip-card i{color:var(--primary);font-size:20px;margin-bottom:10px;display:block}
.tip-card h4{font-size:15px;font-weight:700;margin-bottom:6px}
.tip-card p{font-size:13px;color:var(--text-sub);line-height:1.65}
/* FAQ */
.faq-wrap{margin-top:30px}
.faq-item{background:var(--bg-light);border-radius:var(--r-sm);margin-bottom:14px;border:1px solid var(--border-light);overflow:hidden;transition:all .25s}
.faq-item.open{border-color:var(--primary);box-shadow:0 4px 18px rgba(15,198,169,.1)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px 22px;font-size:16px;font-weight:700;color:var(--text-main);text-align:left;transition:background .2s}
.faq-q:hover{background:rgba(15,198,169,.04)}
.faq-q i{width:30px;height:30px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;transition:transform .3s}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 22px}
.faq-a-inner{padding-bottom:20px;font-size:14px;color:var(--text-sub);line-height:1.75;border-top:1px solid var(--border-light);padding-top:16px}
/* ===== Sidebar ===== */
.side-card{background:var(--card-light);border-radius:var(--r-lg);box-shadow:var(--shadow-light);padding:28px;margin-bottom:24px;border:1px solid rgba(231,234,238,.6)}
.side-card h3{font-size:17px;font-weight:800;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.side-card h3 i{color:var(--primary)}
.side-nav a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:10px;font-size:14px;color:var(--text-sub);font-weight:500;transition:all .2s;margin-bottom:4px}
.side-nav a:hover{background:var(--bg-light);color:var(--primary);padding-left:20px}
.side-nav a.active-side{background:rgba(15,198,169,.08);color:var(--primary);font-weight:700}
.side-nav a i{width:30px;height:30px;border-radius:8px;background:var(--bg-light);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--primary)}
/* ranking */
.rank-list li{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--border-light)}
.rank-list li:last-child{border-bottom:none}
.rank-num{width:30px;height:30px;border-radius:8px;background:var(--bg-light);color:var(--text-sub);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}
.rank-list li:first-child .rank-num{background:var(--grad-brand);color:#fff}
.rank-info{flex:1}
.rank-info h4{font-size:14px;font-weight:700;margin-bottom:2px}
.rank-info p{font-size:12px;color:var(--text-sub)}
.rank-tag{font-size:12px;color:var(--primary);background:rgba(15,198,169,.08);padding:3px 10px;border-radius:999px;font-weight:600;white-space:nowrap}
/* subscribe card */
.sub-card{background:linear-gradient(160deg,var(--bg-dark) 0%,var(--bg-dark-2) 100%);color:#fff;border-radius:var(--r-lg);padding:30px;position:relative;overflow:hidden}
.sub-card::after{content:"";position:absolute;bottom:-40px;right:-40px;width:130px;height:130px;border-radius:50%;background:rgba(15,198,169,.2)}
.sub-card h3{font-size:18px;font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.sub-card h3 i{color:var(--primary)}
.sub-card p{font-size:13px;color:rgba(255,255,255,.65);margin-bottom:20px;line-height:1.7}
.sub-form{display:flex;flex-direction:column;gap:10px}
.sub-form input{height:46px;border-radius:999px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.08);color:#fff;padding:0 20px;font-size:14px;transition:all .25s}
.sub-form input::placeholder{color:rgba(255,255,255,.4)}
.sub-form input:focus{border-color:var(--primary);background:rgba(255,255,255,.12);box-shadow:0 0 0 2px rgba(15,198,169,.2)}
.sub-form button{height:46px;border-radius:999px;background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;transition:all .25s;box-shadow:0 6px 18px rgba(255,107,53,.3)}
.sub-form button:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,107,53,.4)}
.sub-msg{font-size:13px;color:var(--primary);margin-top:8px;display:none;align-items:center;gap:6px}
.sub-msg.show{display:flex}
/* ===== CTA ===== */
.cta-banner{background:linear-gradient(150deg,var(--bg-dark) 0%,#16201F 45%,#1D2B2A 100%);border-radius:var(--r-lg);padding:56px 60px;color:#fff;position:relative;overflow:hidden;margin-top:72px}
.cta-banner::before{content:"";position:absolute;top:-70px;left:-50px;width:240px;height:240px;border-radius:50%;background:rgba(15,198,169,.18)}
.cta-banner::after{content:"";position:absolute;bottom:-80px;right:-20px;width:260px;height:260px;border-radius:50%;background:rgba(255,107,53,.12)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-text h2{font-size:28px;font-weight:900;margin-bottom:10px;letter-spacing:.5px}
.cta-text p{font-size:15px;color:rgba(255,255,255,.65)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
/* ===== Footer ===== */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.7);border-top:1px solid rgba(15,198,169,.25);box-shadow:0 -1px 0 rgba(15,198,169,.15);padding:56px 0 0;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.55);margin-top:16px;line-height:1.8;max-width:340px}
.footer-qr{display:inline-flex;align-items:center;gap:10px;margin-top:18px;background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.2);border-radius:12px;padding:10px 18px}
.footer-qr i{font-size:26px;color:var(--primary)}
.footer-qr span{font-size:13px;color:rgba(255,255,255,.6)}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--primary);border-radius:2px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.55);transition:all .2s}
.footer-col ul a:hover{color:var(--accent);padding-left:6px}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.55);margin-bottom:12px}
.footer-contact i{color:var(--primary);width:18px;text-align:center}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.4)}
/* ===== Responsive ===== */
@media screen and (max-width:1023px){
  .page-grid{grid-template-columns:1fr}
  .overview-list{grid-template-columns:repeat(3,1fr)}
  .header-search{display:none}
  .nav-main a{padding:8px 10px;font-size:14px}
  .cta-banner{padding:40px 32px}
}
@media screen and (max-width:767px){
  .header-inner{height:auto;padding:12px 0;flex-wrap:wrap;gap:10px}
  .nav-main{order:3;width:100%;overflow-x:auto;padding-bottom:4px}
  .nav-main a{white-space:nowrap}
  .header-right{width:auto}
  .btn-cta{height:36px;padding:0 16px;font-size:13px}
  .page-hero{padding:52px 0 48px}
  .page-hero h1{font-size:30px}
  .page-hero h1 small{font-size:16px}
  .overview-list{grid-template-columns:1fr}
  .tips-grid{grid-template-columns:1fr}
  .card-padding{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-inner{flex-direction:column;text-align:center}
  .cta-actions{justify-content:center}
}
@media screen and (max-width:520px){
  .nav-main a{padding:6px 10px;font-size:13px}
  .page-hero p{font-size:14px}
  .hero-actions{flex-direction:column;width:100%}
  .hero-actions .btn-primary,.hero-actions .btn-secondary{width:100%}
  .section-title{font-size:22px}
}

/* roulang page: article */
:root {
      --primary: #0FC6A9;
      --accent: #FF6B35;
      --bg-dark: #0C0D10;
      --bg-dark-2: #12141A;
      --bg-dark-card: #181B20;
      --bg-light: #F5F6F8;
      --card-white: #FFFFFF;
      --text-main: #1A1D21;
      --text-sub: #6B7280;
      --text-dark: rgba(255,255,255,.92);
      --text-dark-sub: rgba(255,255,255,.62);
      --border-dark: rgba(255,255,255,.08);
      --border-light: #E7EAEE;
      --grad-brand: 135deg, #0FC6A9 0%, #18E0C0 45%, #FF6B35 100%;
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 8px;
      --radius-pill: 999px;
      --shadow-dark: 0 8px 30px rgba(0,0,0,.35);
      --shadow-light: 0 6px 24px rgba(12,18,20,.08);
      --font-sans: "Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.7;
      color: var(--text-main);
      background: var(--bg-light);
    }

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

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

    ul, ol {
      list-style: none;
    }

    button, input {
      font-family: inherit;
      border: none;
      outline: none;
    }

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

    /* ========== Header / Nav ========== */
    .site-header {
      background: #FBFCFD;
      border-bottom: 1px solid #E7EAEE;
      box-shadow: 0 2px 12px rgba(0,0,0,.04);
      position: sticky;
      top: 0;
      z-index: 100;
      height: 64px;
    }

    .header-inner {
      display: flex;
      align-items: center;
      gap: 24px;
      height: 64px;
    }

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

    .logo-icon {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(var(--grad-brand));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 16px;
      box-shadow: 0 4px 12px rgba(15,198,169,.3);
    }

    .logo-text {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: .5px;
      white-space: nowrap;
    }

    .nav-main {
      display: flex;
      gap: 8px;
      flex: 1;
      justify-content: center;
    }

    .nav-main a {
      padding: 8px 16px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-sub);
      border-radius: 999px;
      position: relative;
      line-height: 1.4;
    }

    .nav-main a:hover {
      color: var(--primary);
      background: rgba(15,198,169,.08);
    }

    .nav-main a.active {
      color: var(--primary);
      font-weight: 600;
      background: rgba(15,198,169,.08);
    }

    .nav-main a.active::after {
      content: '';
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 0;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

    .header-right {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-shrink: 0;
    }

    .header-search {
      position: relative;
      display: flex;
      align-items: center;
    }

    .header-search input {
      width: 200px;
      height: 40px;
      border-radius: 999px;
      border: 1px solid #E7EAEE;
      background: #F5F6F8;
      padding: 0 16px 0 38px;
      font-size: 14px;
      color: var(--text-main);
      transition: all .25s ease;
    }

    .header-search input::placeholder {
      color: #9CA3AF;
    }

    .header-search input:focus {
      background: #fff;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(15,198,169,.15);
      width: 230px;
    }

    .header-search i {
      position: absolute;
      left: 14px;
      color: #9CA3AF;
      font-size: 14px;
      pointer-events: none;
    }

    .btn-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 40px;
      padding: 0 24px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      background: linear-gradient(135deg, #FF6B35, #FF8A50);
      box-shadow: 0 4px 14px rgba(255,107,53,.25);
      cursor: pointer;
      white-space: nowrap;
      line-height: 1;
    }

    .btn-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(255,107,53,.4);
    }

    .btn-cta:focus-visible,
    .btn-outline:focus-visible,
    .header-search input:focus-visible {
      outline: 2px solid rgba(15,198,169,.6);
      outline-offset: 2px;
    }

    .nav-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background: #F5F6F8;
      border: 1px solid #E7EAEE;
      border-radius: 10px;
      cursor: pointer;
      color: var(--text-main);
      font-size: 16px;
      margin-left: auto;
      transition: all .25s ease;
    }

    .nav-toggle:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    /* ========== Breadcrumb ========== */
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      padding: 24px 0 8px;
      font-size: 13px;
      color: var(--text-sub);
    }

    .breadcrumb a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--text-sub);
    }

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

    .breadcrumb i.fa-chevron-right {
      font-size: 10px;
      color: #C0C7D0;
    }

    .breadcrumb span {
      color: var(--text-main);
      font-weight: 500;
      display: inline-block;
      max-width: 420px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    /* ========== Article Layout ========== */
    .article-section {
      padding: 8px 0 48px;
    }

    .article-layout {
      display: flex;
      gap: 36px;
      align-items: flex-start;
    }

    .article-toc {
      width: 230px;
      flex-shrink: 0;
      position: sticky;
      top: 96px;
      background: #fff;
      border: 1px solid #E7EAEE;
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-light);
      max-height: calc(100vh - 120px);
      overflow: auto;
    }

    .article-toc-title {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-sub);
      letter-spacing: 1px;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

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

    .article-toc ul li {
      margin-bottom: 4px;
    }

    .article-toc a {
      display: block;
      padding: 6px 10px;
      font-size: 14px;
      color: var(--text-sub);
      border-radius: 8px;
      line-height: 1.5;
    }

    .article-toc a:hover {
      color: var(--primary);
      background: rgba(15,198,169,.08);
    }

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

    .article-main-empty {
      max-width: 760px;
      margin: 0 auto;
    }

    .article-card {
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-light);
      padding: 40px 48px;
      border: 1px solid rgba(231,234,238,.6);
    }

    .article-title {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.35;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .article-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 14px;
      color: var(--text-sub);
      padding-bottom: 20px;
      border-bottom: 1px solid #E7EAEE;
      margin-bottom: 24px;
    }

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

    .meta-item i {
      color: var(--primary);
      font-size: 15px;
    }

    .meta-tags {
      display: flex;
      gap: 6px;
      margin-left: 8px;
      flex-wrap: wrap;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      border-radius: 999px;
      background: rgba(15,198,169,.12);
      color: #0A9E8A;
      font-size: 12px;
      font-weight: 600;
      line-height: 1.4;
    }

    /* ========== Article Content ========== */
    .article-content {
      max-width: 760px;
      margin: 0 auto;
      font-size: 17px;
      line-height: 1.8;
      color: #2B2F36;
    }

    .article-content h2 {
      font-size: 24px;
      font-weight: 700;
      margin: 36px 0 16px;
      padding-left: 14px;
      border-left: 4px solid var(--primary);
      color: var(--text-main);
      scroll-margin-top: 90px;
      line-height: 1.4;
    }

    .article-content h3 {
      font-size: 20px;
      font-weight: 600;
      margin: 28px 0 12px;
      color: var(--text-main);
      scroll-margin-top: 90px;
      line-height: 1.45;
    }

    .article-content h4 {
      font-size: 17px;
      font-weight: 600;
      margin: 20px 0 10px;
      color: var(--text-main);
    }

    .article-content p {
      margin-bottom: 16px;
    }

    .article-content a {
      color: var(--primary);
      font-weight: 500;
      border-bottom: 1px solid rgba(15,198,169,.4);
    }

    .article-content a:hover {
      color: #0A9E8A;
      border-color: #0A9E8A;
    }

    .article-content img {
      border-radius: 14px;
      margin: 20px 0;
      box-shadow: var(--shadow-light);
    }

    .article-content blockquote {
      margin: 20px 0;
      padding: 14px 24px;
      border-left: 4px solid var(--accent);
      background: #FFF7F3;
      border-radius: 0 12px 12px 0;
      color: var(--text-sub);
      font-size: 15px;
    }

    .article-content ul,
    .article-content ol {
      margin: 12px 0 20px;
      padding-left: 24px;
    }

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

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

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

    .article-content code {
      background: #F0F2F5;
      border: 1px solid #E7EAEE;
      padding: 2px 8px;
      border-radius: 6px;
      font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
      font-size: 14px;
    }

    .article-content pre {
      background: var(--bg-dark);
      color: #E5E7EB;
      border-radius: 14px;
      padding: 20px;
      overflow-x: auto;
      margin: 20px 0;
      line-height: 1.6;
    }

    .article-content pre code {
      background: transparent;
      border: none;
      padding: 0;
      color: inherit;
      font-size: 14px;
    }

    .article-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 20px 0;
      font-size: 15px;
    }

    .article-content th,
    .article-content td {
      border: 1px solid #E7EAEE;
      padding: 10px 12px;
      text-align: left;
    }

    .article-content th {
      background: #F5F6F8;
      font-weight: 600;
      color: var(--text-main);
    }

    /* ========== Article Page Nav ========== */
    .article-page-nav {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      margin-top: 32px;
      padding-top: 20px;
      border-top: 1px solid #E7EAEE;
    }

    .article-page-nav a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-sub);
      padding: 10px 18px;
      border: 1px solid #E7EAEE;
      border-radius: 999px;
      transition: all .25s ease;
    }

    .article-page-nav a:hover {
      color: var(--primary);
      border-color: var(--primary);
      background: rgba(15,198,169,.06);
    }

    /* ========== Article Empty ========== */
    .article-empty {
      background: #fff;
      border: 2px dashed #E7EAEE;
      border-radius: var(--radius-lg);
      padding: 60px 30px;
      text-align: center;
      margin: 20px 0 40px;
      box-shadow: var(--shadow-light);
    }

    .article-empty i {
      font-size: 40px;
      color: #C0C7D0;
      margin-bottom: 16px;
      display: inline-block;
    }

    .article-empty h2 {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .article-empty p {
      color: var(--text-sub);
      margin-bottom: 22px;
    }

    /* ========== Related Section ========== */
    .related-section {
      padding: 8px 0 24px;
    }

    .related-section .related-heading {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 28px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .related-section .related-heading::after {
      content: '';
      flex: 1;
      height: 1px;
      background: linear-gradient(90deg, rgba(15,198,169,.4), transparent);
    }

    .related-grid {
      margin: 0 -12px;
    }

    .related-col {
      padding: 0 12px;
      margin-bottom: 24px;
    }

    .related-card {
      display: flex;
      flex-direction: column;
      height: 100%;
      background: #fff;
      border: 1px solid #E7EAEE;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-light);
      transition: all .3s ease;
    }

    .related-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 28px rgba(12,18,20,.14);
      border-color: var(--primary);
    }

    .related-thumb {
      position: relative;
      overflow: hidden;
    }

    .related-thumb img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
      transition: transform .4s ease;
    }

    .related-card:hover .related-thumb img {
      transform: scale(1.05);
    }

    .related-play {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(12,13,16,.3);
      opacity: 0;
      transition: opacity .3s ease;
    }

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

    .related-play i {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: rgba(255,255,255,.95);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      box-shadow: 0 4px 14px rgba(0,0,0,.2);
      padding-left: 2px;
    }

    .related-body {
      padding: 20px;
      flex: 1;
    }

    .related-body h3 {
      font-size: 16px;
      font-weight: 600;
      margin: 10px 0 6px;
      line-height: 1.45;
      color: var(--text-main);
      transition: color .25s ease;
    }

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

    .related-body p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* ========== Article CTA ========== */
    .article-cta {
      padding: 48px 0 16px;
    }

    .cta-banner {
      background-color: var(--bg-dark);
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      border-radius: var(--radius-lg);
      padding: 52px 40px;
      text-align: center;
      color: #fff;
      box-shadow: var(--shadow-dark);
      position: relative;
      overflow: hidden;
    }

    .cta-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(12,13,16,.88), rgba(24,27,32,.72));
    }

    .cta-banner h2,
    .cta-banner p,
    .cta-banner .btn-cta {
      position: relative;
      z-index: 1;
    }

    .cta-banner h2 {
      font-size: 28px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .cta-banner p {
      color: rgba(255,255,255,.7);
      margin-bottom: 26px;
      font-size: 15px;
    }

    /* ========== Footer ========== */
    .site-footer {
      background: #0C0D10;
      color: rgba(255,255,255,.72);
      margin-top: 48px;
      border-top: 1px solid rgba(15,198,169,.25);
      box-shadow: inset 0 1px 0 rgba(15,198,169,.2);
    }

    .site-footer .logo-text {
      color: #fff;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1.2fr;
      gap: 48px;
      padding: 56px 0 40px;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.7;
      margin: 16px 0;
      color: rgba(255,255,255,.55);
      max-width: 320px;
    }

    .footer-qr {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: rgba(255,255,255,.06);
      border-radius: 12px;
      padding: 10px 16px;
      font-size: 13px;
      color: rgba(255,255,255,.7);
    }

    .footer-qr i {
      font-size: 20px;
      color: var(--primary);
    }

    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .footer-col ul li {
      margin-bottom: 10px;
      font-size: 14px;
    }

    .footer-col a {
      color: rgba(255,255,255,.72);
    }

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

    .footer-contact li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      line-height: 1.6;
    }

    .footer-contact li i {
      color: var(--primary);
      width: 18px;
      margin-top: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.08);
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: rgba(255,255,255,.4);
      line-height: 1.6;
    }

    /* ========== Responsive ========== */
    @media (max-width: 1199.98px) {
      .article-toc {
        display: none;
      }

      .article-layout {
        display: block;
      }

      .article-main {
        max-width: 860px;
        margin: 0 auto;
      }
    }

    @media (max-width: 1023.98px) {
      .container {
        padding: 0 20px;
      }

      .header-search {
        display: none;
      }

      .nav-main a {
        padding: 8px 12px;
        font-size: 14px;
      }
    }

    @media (max-width: 767.98px) {
      .site-header {
        height: 60px;
      }

      .header-inner {
        height: 60px;
        gap: 12px;
      }

      .logo-text {
        font-size: 16px;
      }

      .logo-icon {
        width: 34px;
        height: 34px;
        font-size: 14px;
      }

      .nav-toggle {
        display: flex;
      }

      .header-right .btn-cta {
        display: none;
      }

      .nav-main {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: #FBFCFD;
        flex-direction: column;
        align-items: stretch;
        padding: 12px 20px 16px;
        border-bottom: 1px solid #E7EAEE;
        box-shadow: 0 12px 24px rgba(0,0,0,.06);
        display: none;
        z-index: 99;
      }

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

      .nav-main a.active::after {
        display: none;
      }

      .nav-main a {
        padding: 10px 14px;
        font-size: 15px;
      }

      .breadcrumb {
        padding-top: 14px;
        font-size: 12px;
      }

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

      .article-section {
        padding-bottom: 32px;
      }

      .article-card {
        padding: 24px 20px;
        border-radius: var(--radius-md);
      }

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

      .article-meta {
        gap: 8px;
        font-size: 13px;
      }

      .meta-tags {
        margin-left: 0;
        width: 100%;
      }

      .article-content {
        font-size: 16px;
      }

      .article-content h2 {
        font-size: 20px;
      }

      .article-content h3 {
        font-size: 18px;
      }

      .article-page-nav {
        flex-direction: column;
        align-items: stretch;
      }

      .article-page-nav a {
        justify-content: center;
      }

      .related-heading {
        font-size: 19px;
      }

      .cta-banner {
        padding: 32px 20px;
        border-radius: var(--radius-md);
      }

      .cta-banner h2 {
        font-size: 22px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 40px 0 28px;
      }

      .footer-bottom {
        flex-direction: column;
        gap: 6px;
        text-align: center;
      }
    }

    @media (min-width: 768px) and (max-width: 1023px) {
      .article-main {
        max-width: 720px;
      }

      .related-col {
        padding: 0 10px;
      }
    }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --primary: #0FC6A9;
  --primary-light: #18E0C0;
  --accent: #FF6B35;
  --accent-light: #FF8F4D;
  --bg-dark: #0C0D10;
  --bg-dark-secondary: #12141A;
  --bg-dark-card: #181B20;
  --bg-light: #F5F6F8;
  --card-white: #FFFFFF;
  --text-main: #1A1D21;
  --text-sub: #6B7280;
  --text-dark: rgba(255,255,255,.92);
  --text-dark-sub: rgba(255,255,255,.62);
  --border-dark: rgba(255,255,255,.08);
  --border-light: #E7EAEE;
  --grad-brand: linear-gradient(135deg, #0FC6A9 0%, #18E0C0 45%, #FF6B35 100%);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-dark: 0 8px 30px rgba(0,0,0,.35);
  --shadow-light: 0 6px 24px rgba(12,18,20,.08);
  --shadow-hover: 0 12px 30px rgba(12,18,20,.16);
  --font-sans: "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num: "DIN Alternate","Bahnschrift","Segoe UI",var(--font-sans);
}

/* ========== 基础重置 ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color .25s ease; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: var(--font-sans); cursor: pointer; }
input, textarea { font-family: var(--font-sans); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ========== 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: #FBFCFD;
  border-bottom: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 2px 12px rgba(0,0,0,.04);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--grad-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 4px 12px rgba(15,198,169,.3);
}
.logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: .5px;
  white-space: nowrap;
}
.nav-main {
  display: flex;
  gap: 28px;
  align-items: center;
  margin-left: 12px;
}
.nav-main a {
  font-size: 15px;
  font-weight: 500;
  color: #4A5056;
  padding: 8px 2px;
  position: relative;
  white-space: nowrap;
}
.nav-main a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform .3s ease;
}
.nav-main a:hover { color: var(--primary); }
.nav-main a:hover::after { transform: scaleX(1); }
.nav-main a.active { color: var(--primary); font-weight: 600; }
.nav-main a.active::after { transform: scaleX(1); }
.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}
.header-search {
  position: relative;
  display: flex;
  align-items: center;
}
.header-search input {
  width: 210px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-light);
  background: #F0F2F5;
  padding: 0 42px 0 18px;
  font-size: 14px;
  color: var(--text-main);
  outline: none;
  transition: all .25s ease;
}
.header-search input:focus {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,198,169,.15);
}
.header-search i {
  position: absolute;
  right: 16px;
  font-size: 14px;
  color: var(--text-sub);
  pointer-events: none;
}
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(255,107,53,.28);
  transition: all .25s ease;
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,107,53,.38);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  background: #fff;
  color: var(--text-main);
  font-size: 18px;
  align-items: center;
  justify-content: center;
}
@media (max-width: 768px) {
  .header-inner { gap: 12px; }
  .nav-main {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 12px 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    box-shadow: 0 12px 24px rgba(0,0,0,.08);
    display: none;
  }
  .nav-main.open { display: flex; }
  .nav-main a { width: 100%; padding: 10px 0; border-bottom: 1px solid #F0F2F5; }
  .nav-main a::after { display: none; }
  .header-search { display: none; }
  .nav-toggle { display: flex; }
  .btn-cta { padding: 0 16px; font-size: 13px; }
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-dark);
  color: var(--text-dark);
  border-top: 1px solid rgba(15,198,169,.15);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p {
  color: var(--text-dark-sub);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}
.footer-qr {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: 110px;
  padding: 12px;
  border-radius: 12px;
  border: 1px dashed rgba(255,255,255,.2);
  color: var(--text-dark);
  text-align: center;
  font-size: 13px;
  background: rgba(255,255,255,.04);
}
.footer-qr i { font-size: 26px; color: var(--primary); }
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-dark-sub);
  transition: color .25s ease;
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-dark-sub);
  margin-bottom: 12px;
}
.footer-contact i { color: var(--primary); margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,.45);
  text-align: center;
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ========== 页面横幅 ========== */
.page-hero {
  background: var(--bg-light);
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  right: -180px;
  top: -180px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15,198,169,.12), transparent 65%);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--text-sub); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-size: 10px; color: #B0B6BD; }
.breadcrumb span { color: var(--primary); font-weight: 600; }
.page-hero-content {
  max-width: 720px;
}
.page-hero-content h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 14px;
}
.page-hero-content h1 .h1-brand {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.page-hero-content p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-sub);
}
@media (max-width: 640px) {
  .page-hero { padding: 40px 0 32px; }
  .page-hero-content h1 { font-size: 28px; }
}

/* ========== 主布局 ========== */
.main-wrap {
  padding: 48px 0 60px;
}
.main-grid {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}
.main-col {
  flex: 0 0 calc(66.666% - 16px);
  min-width: 0;
}
.main-side {
  flex: 0 0 calc(33.333% - 16px);
  min-width: 0;
}
@media (max-width: 960px) {
  .main-grid { flex-direction: column; }
  .main-col, .main-side { flex: 0 0 100%; }
}

/* ========== 内容卡 ========== */
.content-card {
  background: var(--card-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-light);
  overflow: hidden;
  margin-bottom: 32px;
}
.info-media {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  margin: 24px 24px 0;
}
.info-media img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: 16px;
}
.img-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(12,13,16,.82);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(6px);
}
.img-badge i { color: var(--primary); }
.info-body {
  padding: 32px 36px 36px;
}
.info-body h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
  line-height: 1.4;
}
.info-body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-sub);
  margin-bottom: 14px;
}
.info-body p:last-child { margin-bottom: 0; }
.info-body .info-highlight {
  color: var(--primary);
  font-weight: 600;
}
@media (max-width: 640px) {
  .info-media { margin: 16px 16px 0; }
  .info-media img { height: 200px; }
  .info-body { padding: 24px 22px 28px; }
  .info-body h2 { font-size: 20px; }
}

/* ========== 板块容器 ========== */
.section-block {
  background: var(--card-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-light);
  padding: 36px;
  margin-bottom: 32px;
}
.section-block .section-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.4;
}
.section-block .section-sub {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 28px;
}
.section-title i {
  color: var(--primary);
  margin-right: 8px;
}
@media (max-width: 640px) {
  .section-block { padding: 24px 20px; }
  .section-block .section-title { font-size: 18px; }
}

/* ========== 亮点卡片 ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  border: 1px solid var(--border-light);
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--grad-brand);
  opacity: 0;
  transition: opacity .3s ease;
}
.feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(15,198,169,.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  margin-bottom: 16px;
}
.feature-icon.orange {
  background: rgba(255,107,53,.12);
  color: var(--accent);
}
.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-sub);
}
@media (max-width: 960px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* ========== 活动类型 ========== */
.activity-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.activity-card {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 24px 22px;
  border: 1px solid var(--border-light);
  transition: all .3s ease;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.activity-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.activity-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(255,107,53,.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.activity-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}
.activity-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-sub);
}
@media (max-width: 960px) {
  .activity-grid { grid-template-columns: 1fr; }
}

/* ========== 参与流程 ========== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.process-step {
  position: relative;
  padding: 24px 20px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  text-align: center;
  transition: all .3s ease;
}
.process-step:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #fff;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 14px;
}
.process-step h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}
.process-step p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-sub);
}
@media (max-width: 960px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .process-steps { grid-template-columns: 1fr; }
}

/* ========== 侧边栏 ========== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 88px;
}
.side-widget {
  background: var(--card-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-light);
  padding: 28px 26px;
}
.side-widget h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
  position: relative;
}
.side-widget h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 28px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.side-nav li {
  margin-bottom: 4px;
}
.side-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-main);
  transition: all .25s ease;
}
.side-nav a i {
  width: 20px;
  text-align: center;
  color: var(--text-sub);
  transition: color .25s ease;
}
.side-nav a:hover {
  background: rgba(15,198,169,.08);
  color: var(--primary);
}
.side-nav a:hover i { color: var(--primary); }
.side-nav li.active a {
  background: rgba(15,198,169,.1);
  color: var(--primary);
  font-weight: 600;
}
.side-nav li.active a i { color: var(--primary); }
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-cloud a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(15,198,169,.08);
  color: #0E9480;
  font-size: 13px;
  font-weight: 500;
  transition: all .25s ease;
}
.tag-cloud a:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(15,198,169,.3);
}
.subscribe-widget {
  background: linear-gradient(160deg, var(--card-white), #F2FBF9);
}
.subscribe-widget p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 18px;
}
.side-sub-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.side-sub-form input {
  height: 46px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-light);
  background: #fff;
  padding: 0 18px;
  font-size: 14px;
  outline: none;
  transition: all .25s ease;
}
.side-sub-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,198,169,.15);
}
.btn-subscribe {
  height: 46px;
  border-radius: var(--radius-pill);
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  transition: all .25s ease;
  box-shadow: 0 4px 14px rgba(255,107,53,.25);
}
.btn-subscribe:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255,107,53,.36);
}
.side-sub-tip {
  font-size: 12px !important;
  color: var(--text-sub) !important;
  margin-bottom: 0 !important;
  padding-top: 12px;
  border-top: 1px dotted var(--border-light);
}
@media (max-width: 960px) {
  .sidebar { position: static; }
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg-light);
  padding: 20px 0 60px;
}
.faq-section .section-head {
  text-align: center;
  margin-bottom: 40px;
}
.faq-section .section-head h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}
.faq-section .section-head p {
  font-size: 15px;
  color: var(--text-sub);
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--card-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-light);
  overflow: hidden;
  border: 1px solid transparent;
  transition: all .3s ease;
}
.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(15,198,169,.12);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: transparent;
  border: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  transition: color .25s ease;
}
.faq-question i {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(15,198,169,.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: all .3s ease;
}
.faq-item.active .faq-question i {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  display: none;
  padding: 0 24px 22px;
  border-top: 1px solid var(--border-light);
}
.faq-item.active .faq-answer { display: block; }
.faq-answer p {
  padding-top: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-sub);
}
@media (max-width: 640px) {
  .faq-section .section-head h2 { font-size: 24px; }
  .faq-question { font-size: 15px; padding: 18px 18px; }
  .faq-answer { padding: 0 18px 18px; }
}

/* ========== CTA ========== */
.cta-section {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
  padding: 64px 0;
  border-top: 1px solid rgba(15,198,169,.12);
}
.cta-section::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 640px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(15,198,169,.16), transparent 70%);
  pointer-events: none;
}
.cta-section .container {
  position: relative;
  text-align: center;
}
.cta-section h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
}
.cta-section p {
  font-size: 16px;
  color: var(--text-dark-sub);
  margin-bottom: 32px;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all .25s ease;
}
.btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  box-shadow: 0 6px 18px rgba(255,107,53,.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255,107,53,.42);
}
.btn-outline-light {
  background: transparent;
  border: 2px solid rgba(255,255,255,.45);
  color: var(--text-dark);
}
.btn-outline-light:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}
@media (max-width: 640px) {
  .cta-section { padding: 48px 0; }
  .cta-section h2 { font-size: 24px; }
  .btn { width: 100%; max-width: 320px; }
}

/* ========== Foundation 覆盖 ========== */
.grid-x > .cell { padding: 0; }
.grid-margin-x > .cell { padding: 0 15px; }